Source file src/cmd/compile/internal/ssa/rewriteARM64.go

     1  // Code generated from _gen/ARM64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "cmd/compile/internal/types"
     6  import "cmd/compile/internal/ssa/block"
     7  
     8  func rewriteValueARM64(v *Value) bool {
     9  	switch v.Op {
    10  	case OpARM64ADCSflags:
    11  		return rewriteValueARM64_OpARM64ADCSflags(v)
    12  	case OpARM64ADD:
    13  		return rewriteValueARM64_OpARM64ADD(v)
    14  	case OpARM64ADDSflags:
    15  		return rewriteValueARM64_OpARM64ADDSflags(v)
    16  	case OpARM64ADDconst:
    17  		return rewriteValueARM64_OpARM64ADDconst(v)
    18  	case OpARM64ADDshiftLL:
    19  		return rewriteValueARM64_OpARM64ADDshiftLL(v)
    20  	case OpARM64ADDshiftRA:
    21  		return rewriteValueARM64_OpARM64ADDshiftRA(v)
    22  	case OpARM64ADDshiftRL:
    23  		return rewriteValueARM64_OpARM64ADDshiftRL(v)
    24  	case OpARM64AND:
    25  		return rewriteValueARM64_OpARM64AND(v)
    26  	case OpARM64ANDconst:
    27  		return rewriteValueARM64_OpARM64ANDconst(v)
    28  	case OpARM64ANDshiftLL:
    29  		return rewriteValueARM64_OpARM64ANDshiftLL(v)
    30  	case OpARM64ANDshiftRA:
    31  		return rewriteValueARM64_OpARM64ANDshiftRA(v)
    32  	case OpARM64ANDshiftRL:
    33  		return rewriteValueARM64_OpARM64ANDshiftRL(v)
    34  	case OpARM64ANDshiftRO:
    35  		return rewriteValueARM64_OpARM64ANDshiftRO(v)
    36  	case OpARM64BIC:
    37  		return rewriteValueARM64_OpARM64BIC(v)
    38  	case OpARM64BICshiftLL:
    39  		return rewriteValueARM64_OpARM64BICshiftLL(v)
    40  	case OpARM64BICshiftRA:
    41  		return rewriteValueARM64_OpARM64BICshiftRA(v)
    42  	case OpARM64BICshiftRL:
    43  		return rewriteValueARM64_OpARM64BICshiftRL(v)
    44  	case OpARM64BICshiftRO:
    45  		return rewriteValueARM64_OpARM64BICshiftRO(v)
    46  	case OpARM64CMN:
    47  		return rewriteValueARM64_OpARM64CMN(v)
    48  	case OpARM64CMNW:
    49  		return rewriteValueARM64_OpARM64CMNW(v)
    50  	case OpARM64CMNWconst:
    51  		return rewriteValueARM64_OpARM64CMNWconst(v)
    52  	case OpARM64CMNconst:
    53  		return rewriteValueARM64_OpARM64CMNconst(v)
    54  	case OpARM64CMNshiftLL:
    55  		return rewriteValueARM64_OpARM64CMNshiftLL(v)
    56  	case OpARM64CMNshiftRA:
    57  		return rewriteValueARM64_OpARM64CMNshiftRA(v)
    58  	case OpARM64CMNshiftRL:
    59  		return rewriteValueARM64_OpARM64CMNshiftRL(v)
    60  	case OpARM64CMP:
    61  		return rewriteValueARM64_OpARM64CMP(v)
    62  	case OpARM64CMPW:
    63  		return rewriteValueARM64_OpARM64CMPW(v)
    64  	case OpARM64CMPWconst:
    65  		return rewriteValueARM64_OpARM64CMPWconst(v)
    66  	case OpARM64CMPconst:
    67  		return rewriteValueARM64_OpARM64CMPconst(v)
    68  	case OpARM64CMPshiftLL:
    69  		return rewriteValueARM64_OpARM64CMPshiftLL(v)
    70  	case OpARM64CMPshiftRA:
    71  		return rewriteValueARM64_OpARM64CMPshiftRA(v)
    72  	case OpARM64CMPshiftRL:
    73  		return rewriteValueARM64_OpARM64CMPshiftRL(v)
    74  	case OpARM64CSEL:
    75  		return rewriteValueARM64_OpARM64CSEL(v)
    76  	case OpARM64CSEL0:
    77  		return rewriteValueARM64_OpARM64CSEL0(v)
    78  	case OpARM64CSETM:
    79  		return rewriteValueARM64_OpARM64CSETM(v)
    80  	case OpARM64CSINC:
    81  		return rewriteValueARM64_OpARM64CSINC(v)
    82  	case OpARM64CSINV:
    83  		return rewriteValueARM64_OpARM64CSINV(v)
    84  	case OpARM64CSNEG:
    85  		return rewriteValueARM64_OpARM64CSNEG(v)
    86  	case OpARM64DIV:
    87  		return rewriteValueARM64_OpARM64DIV(v)
    88  	case OpARM64DIVW:
    89  		return rewriteValueARM64_OpARM64DIVW(v)
    90  	case OpARM64EON:
    91  		return rewriteValueARM64_OpARM64EON(v)
    92  	case OpARM64EONshiftLL:
    93  		return rewriteValueARM64_OpARM64EONshiftLL(v)
    94  	case OpARM64EONshiftRA:
    95  		return rewriteValueARM64_OpARM64EONshiftRA(v)
    96  	case OpARM64EONshiftRL:
    97  		return rewriteValueARM64_OpARM64EONshiftRL(v)
    98  	case OpARM64EONshiftRO:
    99  		return rewriteValueARM64_OpARM64EONshiftRO(v)
   100  	case OpARM64Equal:
   101  		return rewriteValueARM64_OpARM64Equal(v)
   102  	case OpARM64FADDD:
   103  		return rewriteValueARM64_OpARM64FADDD(v)
   104  	case OpARM64FADDS:
   105  		return rewriteValueARM64_OpARM64FADDS(v)
   106  	case OpARM64FCMPD:
   107  		return rewriteValueARM64_OpARM64FCMPD(v)
   108  	case OpARM64FCMPS:
   109  		return rewriteValueARM64_OpARM64FCMPS(v)
   110  	case OpARM64FCSELD:
   111  		return rewriteValueARM64_OpARM64FCSELD(v)
   112  	case OpARM64FCSELS:
   113  		return rewriteValueARM64_OpARM64FCSELS(v)
   114  	case OpARM64FCVTDS:
   115  		return rewriteValueARM64_OpARM64FCVTDS(v)
   116  	case OpARM64FLDPQ:
   117  		return rewriteValueARM64_OpARM64FLDPQ(v)
   118  	case OpARM64FMOVDfpgp:
   119  		return rewriteValueARM64_OpARM64FMOVDfpgp(v)
   120  	case OpARM64FMOVDgpfp:
   121  		return rewriteValueARM64_OpARM64FMOVDgpfp(v)
   122  	case OpARM64FMOVDload:
   123  		return rewriteValueARM64_OpARM64FMOVDload(v)
   124  	case OpARM64FMOVDloadidx:
   125  		return rewriteValueARM64_OpARM64FMOVDloadidx(v)
   126  	case OpARM64FMOVDloadidx8:
   127  		return rewriteValueARM64_OpARM64FMOVDloadidx8(v)
   128  	case OpARM64FMOVDstore:
   129  		return rewriteValueARM64_OpARM64FMOVDstore(v)
   130  	case OpARM64FMOVDstoreidx:
   131  		return rewriteValueARM64_OpARM64FMOVDstoreidx(v)
   132  	case OpARM64FMOVDstoreidx8:
   133  		return rewriteValueARM64_OpARM64FMOVDstoreidx8(v)
   134  	case OpARM64FMOVQload:
   135  		return rewriteValueARM64_OpARM64FMOVQload(v)
   136  	case OpARM64FMOVQstore:
   137  		return rewriteValueARM64_OpARM64FMOVQstore(v)
   138  	case OpARM64FMOVSload:
   139  		return rewriteValueARM64_OpARM64FMOVSload(v)
   140  	case OpARM64FMOVSloadidx:
   141  		return rewriteValueARM64_OpARM64FMOVSloadidx(v)
   142  	case OpARM64FMOVSloadidx4:
   143  		return rewriteValueARM64_OpARM64FMOVSloadidx4(v)
   144  	case OpARM64FMOVSstore:
   145  		return rewriteValueARM64_OpARM64FMOVSstore(v)
   146  	case OpARM64FMOVSstoreidx:
   147  		return rewriteValueARM64_OpARM64FMOVSstoreidx(v)
   148  	case OpARM64FMOVSstoreidx4:
   149  		return rewriteValueARM64_OpARM64FMOVSstoreidx4(v)
   150  	case OpARM64FMULD:
   151  		return rewriteValueARM64_OpARM64FMULD(v)
   152  	case OpARM64FMULS:
   153  		return rewriteValueARM64_OpARM64FMULS(v)
   154  	case OpARM64FNEGD:
   155  		return rewriteValueARM64_OpARM64FNEGD(v)
   156  	case OpARM64FNEGS:
   157  		return rewriteValueARM64_OpARM64FNEGS(v)
   158  	case OpARM64FNMULD:
   159  		return rewriteValueARM64_OpARM64FNMULD(v)
   160  	case OpARM64FNMULS:
   161  		return rewriteValueARM64_OpARM64FNMULS(v)
   162  	case OpARM64FSTPQ:
   163  		return rewriteValueARM64_OpARM64FSTPQ(v)
   164  	case OpARM64FSUBD:
   165  		return rewriteValueARM64_OpARM64FSUBD(v)
   166  	case OpARM64FSUBS:
   167  		return rewriteValueARM64_OpARM64FSUBS(v)
   168  	case OpARM64GreaterEqual:
   169  		return rewriteValueARM64_OpARM64GreaterEqual(v)
   170  	case OpARM64GreaterEqualF:
   171  		return rewriteValueARM64_OpARM64GreaterEqualF(v)
   172  	case OpARM64GreaterEqualNoov:
   173  		return rewriteValueARM64_OpARM64GreaterEqualNoov(v)
   174  	case OpARM64GreaterEqualU:
   175  		return rewriteValueARM64_OpARM64GreaterEqualU(v)
   176  	case OpARM64GreaterThan:
   177  		return rewriteValueARM64_OpARM64GreaterThan(v)
   178  	case OpARM64GreaterThanF:
   179  		return rewriteValueARM64_OpARM64GreaterThanF(v)
   180  	case OpARM64GreaterThanU:
   181  		return rewriteValueARM64_OpARM64GreaterThanU(v)
   182  	case OpARM64LDP:
   183  		return rewriteValueARM64_OpARM64LDP(v)
   184  	case OpARM64LessEqual:
   185  		return rewriteValueARM64_OpARM64LessEqual(v)
   186  	case OpARM64LessEqualF:
   187  		return rewriteValueARM64_OpARM64LessEqualF(v)
   188  	case OpARM64LessEqualU:
   189  		return rewriteValueARM64_OpARM64LessEqualU(v)
   190  	case OpARM64LessThan:
   191  		return rewriteValueARM64_OpARM64LessThan(v)
   192  	case OpARM64LessThanF:
   193  		return rewriteValueARM64_OpARM64LessThanF(v)
   194  	case OpARM64LessThanNoov:
   195  		return rewriteValueARM64_OpARM64LessThanNoov(v)
   196  	case OpARM64LessThanU:
   197  		return rewriteValueARM64_OpARM64LessThanU(v)
   198  	case OpARM64LoweredPanicBoundsCR:
   199  		return rewriteValueARM64_OpARM64LoweredPanicBoundsCR(v)
   200  	case OpARM64LoweredPanicBoundsRC:
   201  		return rewriteValueARM64_OpARM64LoweredPanicBoundsRC(v)
   202  	case OpARM64LoweredPanicBoundsRR:
   203  		return rewriteValueARM64_OpARM64LoweredPanicBoundsRR(v)
   204  	case OpARM64MADD:
   205  		return rewriteValueARM64_OpARM64MADD(v)
   206  	case OpARM64MADDW:
   207  		return rewriteValueARM64_OpARM64MADDW(v)
   208  	case OpARM64MNEG:
   209  		return rewriteValueARM64_OpARM64MNEG(v)
   210  	case OpARM64MNEGW:
   211  		return rewriteValueARM64_OpARM64MNEGW(v)
   212  	case OpARM64MOD:
   213  		return rewriteValueARM64_OpARM64MOD(v)
   214  	case OpARM64MODW:
   215  		return rewriteValueARM64_OpARM64MODW(v)
   216  	case OpARM64MOVBUload:
   217  		return rewriteValueARM64_OpARM64MOVBUload(v)
   218  	case OpARM64MOVBUloadidx:
   219  		return rewriteValueARM64_OpARM64MOVBUloadidx(v)
   220  	case OpARM64MOVBUreg:
   221  		return rewriteValueARM64_OpARM64MOVBUreg(v)
   222  	case OpARM64MOVBload:
   223  		return rewriteValueARM64_OpARM64MOVBload(v)
   224  	case OpARM64MOVBloadidx:
   225  		return rewriteValueARM64_OpARM64MOVBloadidx(v)
   226  	case OpARM64MOVBreg:
   227  		return rewriteValueARM64_OpARM64MOVBreg(v)
   228  	case OpARM64MOVBstore:
   229  		return rewriteValueARM64_OpARM64MOVBstore(v)
   230  	case OpARM64MOVBstoreidx:
   231  		return rewriteValueARM64_OpARM64MOVBstoreidx(v)
   232  	case OpARM64MOVDload:
   233  		return rewriteValueARM64_OpARM64MOVDload(v)
   234  	case OpARM64MOVDloadidx:
   235  		return rewriteValueARM64_OpARM64MOVDloadidx(v)
   236  	case OpARM64MOVDloadidx8:
   237  		return rewriteValueARM64_OpARM64MOVDloadidx8(v)
   238  	case OpARM64MOVDnop:
   239  		return rewriteValueARM64_OpARM64MOVDnop(v)
   240  	case OpARM64MOVDreg:
   241  		return rewriteValueARM64_OpARM64MOVDreg(v)
   242  	case OpARM64MOVDstore:
   243  		return rewriteValueARM64_OpARM64MOVDstore(v)
   244  	case OpARM64MOVDstoreidx:
   245  		return rewriteValueARM64_OpARM64MOVDstoreidx(v)
   246  	case OpARM64MOVDstoreidx8:
   247  		return rewriteValueARM64_OpARM64MOVDstoreidx8(v)
   248  	case OpARM64MOVHUload:
   249  		return rewriteValueARM64_OpARM64MOVHUload(v)
   250  	case OpARM64MOVHUloadidx:
   251  		return rewriteValueARM64_OpARM64MOVHUloadidx(v)
   252  	case OpARM64MOVHUloadidx2:
   253  		return rewriteValueARM64_OpARM64MOVHUloadidx2(v)
   254  	case OpARM64MOVHUreg:
   255  		return rewriteValueARM64_OpARM64MOVHUreg(v)
   256  	case OpARM64MOVHload:
   257  		return rewriteValueARM64_OpARM64MOVHload(v)
   258  	case OpARM64MOVHloadidx:
   259  		return rewriteValueARM64_OpARM64MOVHloadidx(v)
   260  	case OpARM64MOVHloadidx2:
   261  		return rewriteValueARM64_OpARM64MOVHloadidx2(v)
   262  	case OpARM64MOVHreg:
   263  		return rewriteValueARM64_OpARM64MOVHreg(v)
   264  	case OpARM64MOVHstore:
   265  		return rewriteValueARM64_OpARM64MOVHstore(v)
   266  	case OpARM64MOVHstoreidx:
   267  		return rewriteValueARM64_OpARM64MOVHstoreidx(v)
   268  	case OpARM64MOVHstoreidx2:
   269  		return rewriteValueARM64_OpARM64MOVHstoreidx2(v)
   270  	case OpARM64MOVWUload:
   271  		return rewriteValueARM64_OpARM64MOVWUload(v)
   272  	case OpARM64MOVWUloadidx:
   273  		return rewriteValueARM64_OpARM64MOVWUloadidx(v)
   274  	case OpARM64MOVWUloadidx4:
   275  		return rewriteValueARM64_OpARM64MOVWUloadidx4(v)
   276  	case OpARM64MOVWUreg:
   277  		return rewriteValueARM64_OpARM64MOVWUreg(v)
   278  	case OpARM64MOVWload:
   279  		return rewriteValueARM64_OpARM64MOVWload(v)
   280  	case OpARM64MOVWloadidx:
   281  		return rewriteValueARM64_OpARM64MOVWloadidx(v)
   282  	case OpARM64MOVWloadidx4:
   283  		return rewriteValueARM64_OpARM64MOVWloadidx4(v)
   284  	case OpARM64MOVWreg:
   285  		return rewriteValueARM64_OpARM64MOVWreg(v)
   286  	case OpARM64MOVWstore:
   287  		return rewriteValueARM64_OpARM64MOVWstore(v)
   288  	case OpARM64MOVWstoreidx:
   289  		return rewriteValueARM64_OpARM64MOVWstoreidx(v)
   290  	case OpARM64MOVWstoreidx4:
   291  		return rewriteValueARM64_OpARM64MOVWstoreidx4(v)
   292  	case OpARM64MSUB:
   293  		return rewriteValueARM64_OpARM64MSUB(v)
   294  	case OpARM64MSUBW:
   295  		return rewriteValueARM64_OpARM64MSUBW(v)
   296  	case OpARM64MUL:
   297  		return rewriteValueARM64_OpARM64MUL(v)
   298  	case OpARM64MULW:
   299  		return rewriteValueARM64_OpARM64MULW(v)
   300  	case OpARM64MVN:
   301  		return rewriteValueARM64_OpARM64MVN(v)
   302  	case OpARM64MVNshiftLL:
   303  		return rewriteValueARM64_OpARM64MVNshiftLL(v)
   304  	case OpARM64MVNshiftRA:
   305  		return rewriteValueARM64_OpARM64MVNshiftRA(v)
   306  	case OpARM64MVNshiftRL:
   307  		return rewriteValueARM64_OpARM64MVNshiftRL(v)
   308  	case OpARM64MVNshiftRO:
   309  		return rewriteValueARM64_OpARM64MVNshiftRO(v)
   310  	case OpARM64NEG:
   311  		return rewriteValueARM64_OpARM64NEG(v)
   312  	case OpARM64NEGshiftLL:
   313  		return rewriteValueARM64_OpARM64NEGshiftLL(v)
   314  	case OpARM64NEGshiftRA:
   315  		return rewriteValueARM64_OpARM64NEGshiftRA(v)
   316  	case OpARM64NEGshiftRL:
   317  		return rewriteValueARM64_OpARM64NEGshiftRL(v)
   318  	case OpARM64NotEqual:
   319  		return rewriteValueARM64_OpARM64NotEqual(v)
   320  	case OpARM64OR:
   321  		return rewriteValueARM64_OpARM64OR(v)
   322  	case OpARM64ORN:
   323  		return rewriteValueARM64_OpARM64ORN(v)
   324  	case OpARM64ORNshiftLL:
   325  		return rewriteValueARM64_OpARM64ORNshiftLL(v)
   326  	case OpARM64ORNshiftRA:
   327  		return rewriteValueARM64_OpARM64ORNshiftRA(v)
   328  	case OpARM64ORNshiftRL:
   329  		return rewriteValueARM64_OpARM64ORNshiftRL(v)
   330  	case OpARM64ORNshiftRO:
   331  		return rewriteValueARM64_OpARM64ORNshiftRO(v)
   332  	case OpARM64ORconst:
   333  		return rewriteValueARM64_OpARM64ORconst(v)
   334  	case OpARM64ORshiftLL:
   335  		return rewriteValueARM64_OpARM64ORshiftLL(v)
   336  	case OpARM64ORshiftRA:
   337  		return rewriteValueARM64_OpARM64ORshiftRA(v)
   338  	case OpARM64ORshiftRL:
   339  		return rewriteValueARM64_OpARM64ORshiftRL(v)
   340  	case OpARM64ORshiftRO:
   341  		return rewriteValueARM64_OpARM64ORshiftRO(v)
   342  	case OpARM64REV:
   343  		return rewriteValueARM64_OpARM64REV(v)
   344  	case OpARM64REV16:
   345  		return rewriteValueARM64_OpARM64REV16(v)
   346  	case OpARM64REVW:
   347  		return rewriteValueARM64_OpARM64REVW(v)
   348  	case OpARM64ROR:
   349  		return rewriteValueARM64_OpARM64ROR(v)
   350  	case OpARM64RORW:
   351  		return rewriteValueARM64_OpARM64RORW(v)
   352  	case OpARM64SBCSflags:
   353  		return rewriteValueARM64_OpARM64SBCSflags(v)
   354  	case OpARM64SBFX:
   355  		return rewriteValueARM64_OpARM64SBFX(v)
   356  	case OpARM64SLL:
   357  		return rewriteValueARM64_OpARM64SLL(v)
   358  	case OpARM64SLLconst:
   359  		return rewriteValueARM64_OpARM64SLLconst(v)
   360  	case OpARM64SRA:
   361  		return rewriteValueARM64_OpARM64SRA(v)
   362  	case OpARM64SRAconst:
   363  		return rewriteValueARM64_OpARM64SRAconst(v)
   364  	case OpARM64SRL:
   365  		return rewriteValueARM64_OpARM64SRL(v)
   366  	case OpARM64SRLconst:
   367  		return rewriteValueARM64_OpARM64SRLconst(v)
   368  	case OpARM64STP:
   369  		return rewriteValueARM64_OpARM64STP(v)
   370  	case OpARM64SUB:
   371  		return rewriteValueARM64_OpARM64SUB(v)
   372  	case OpARM64SUBconst:
   373  		return rewriteValueARM64_OpARM64SUBconst(v)
   374  	case OpARM64SUBshiftLL:
   375  		return rewriteValueARM64_OpARM64SUBshiftLL(v)
   376  	case OpARM64SUBshiftRA:
   377  		return rewriteValueARM64_OpARM64SUBshiftRA(v)
   378  	case OpARM64SUBshiftRL:
   379  		return rewriteValueARM64_OpARM64SUBshiftRL(v)
   380  	case OpARM64TST:
   381  		return rewriteValueARM64_OpARM64TST(v)
   382  	case OpARM64TSTW:
   383  		return rewriteValueARM64_OpARM64TSTW(v)
   384  	case OpARM64TSTWconst:
   385  		return rewriteValueARM64_OpARM64TSTWconst(v)
   386  	case OpARM64TSTconst:
   387  		return rewriteValueARM64_OpARM64TSTconst(v)
   388  	case OpARM64TSTshiftLL:
   389  		return rewriteValueARM64_OpARM64TSTshiftLL(v)
   390  	case OpARM64TSTshiftRA:
   391  		return rewriteValueARM64_OpARM64TSTshiftRA(v)
   392  	case OpARM64TSTshiftRL:
   393  		return rewriteValueARM64_OpARM64TSTshiftRL(v)
   394  	case OpARM64TSTshiftRO:
   395  		return rewriteValueARM64_OpARM64TSTshiftRO(v)
   396  	case OpARM64UBFIZ:
   397  		return rewriteValueARM64_OpARM64UBFIZ(v)
   398  	case OpARM64UBFX:
   399  		return rewriteValueARM64_OpARM64UBFX(v)
   400  	case OpARM64UDIV:
   401  		return rewriteValueARM64_OpARM64UDIV(v)
   402  	case OpARM64UDIVW:
   403  		return rewriteValueARM64_OpARM64UDIVW(v)
   404  	case OpARM64UMOD:
   405  		return rewriteValueARM64_OpARM64UMOD(v)
   406  	case OpARM64UMODW:
   407  		return rewriteValueARM64_OpARM64UMODW(v)
   408  	case OpARM64VBIF16B:
   409  		return rewriteValueARM64_OpARM64VBIF16B(v)
   410  	case OpARM64VBIT16B:
   411  		return rewriteValueARM64_OpARM64VBIT16B(v)
   412  	case OpARM64VDUPBbcast:
   413  		return rewriteValueARM64_OpARM64VDUPBbcast(v)
   414  	case OpARM64VFCVTL4S:
   415  		return rewriteValueARM64_OpARM64VFCVTL4S(v)
   416  	case OpARM64VMOVDins0:
   417  		return rewriteValueARM64_OpARM64VMOVDins0(v)
   418  	case OpARM64VMOVSins0:
   419  		return rewriteValueARM64_OpARM64VMOVSins0(v)
   420  	case OpARM64VPMULL2D:
   421  		return rewriteValueARM64_OpARM64VPMULL2D(v)
   422  	case OpARM64VSHL16B:
   423  		return rewriteValueARM64_OpARM64VSHL16B(v)
   424  	case OpARM64VSHL2D:
   425  		return rewriteValueARM64_OpARM64VSHL2D(v)
   426  	case OpARM64VSHL4S:
   427  		return rewriteValueARM64_OpARM64VSHL4S(v)
   428  	case OpARM64VSHL8H:
   429  		return rewriteValueARM64_OpARM64VSHL8H(v)
   430  	case OpARM64VSHRN2D:
   431  		return rewriteValueARM64_OpARM64VSHRN2D(v)
   432  	case OpARM64VSHRN4S:
   433  		return rewriteValueARM64_OpARM64VSHRN4S(v)
   434  	case OpARM64VSHRN8H:
   435  		return rewriteValueARM64_OpARM64VSHRN8H(v)
   436  	case OpARM64VSMULL16B:
   437  		return rewriteValueARM64_OpARM64VSMULL16B(v)
   438  	case OpARM64VSMULL4S:
   439  		return rewriteValueARM64_OpARM64VSMULL4S(v)
   440  	case OpARM64VSMULL8H:
   441  		return rewriteValueARM64_OpARM64VSMULL8H(v)
   442  	case OpARM64VSQSHL16Bconst:
   443  		return rewriteValueARM64_OpARM64VSQSHL16Bconst(v)
   444  	case OpARM64VSQSHL2Dconst:
   445  		return rewriteValueARM64_OpARM64VSQSHL2Dconst(v)
   446  	case OpARM64VSQSHL4Sconst:
   447  		return rewriteValueARM64_OpARM64VSQSHL4Sconst(v)
   448  	case OpARM64VSQSHL8Hconst:
   449  		return rewriteValueARM64_OpARM64VSQSHL8Hconst(v)
   450  	case OpARM64VSSHLL16B:
   451  		return rewriteValueARM64_OpARM64VSSHLL16B(v)
   452  	case OpARM64VSSHLL4S:
   453  		return rewriteValueARM64_OpARM64VSSHLL4S(v)
   454  	case OpARM64VSSHLL8H:
   455  		return rewriteValueARM64_OpARM64VSSHLL8H(v)
   456  	case OpARM64VSSHR16B:
   457  		return rewriteValueARM64_OpARM64VSSHR16B(v)
   458  	case OpARM64VSSHR2D:
   459  		return rewriteValueARM64_OpARM64VSSHR2D(v)
   460  	case OpARM64VSSHR4S:
   461  		return rewriteValueARM64_OpARM64VSSHR4S(v)
   462  	case OpARM64VSSHR8H:
   463  		return rewriteValueARM64_OpARM64VSSHR8H(v)
   464  	case OpARM64VSXTL16B:
   465  		return rewriteValueARM64_OpARM64VSXTL16B(v)
   466  	case OpARM64VSXTL4S:
   467  		return rewriteValueARM64_OpARM64VSXTL4S(v)
   468  	case OpARM64VSXTL8H:
   469  		return rewriteValueARM64_OpARM64VSXTL8H(v)
   470  	case OpARM64VUMULL16B:
   471  		return rewriteValueARM64_OpARM64VUMULL16B(v)
   472  	case OpARM64VUMULL4S:
   473  		return rewriteValueARM64_OpARM64VUMULL4S(v)
   474  	case OpARM64VUMULL8H:
   475  		return rewriteValueARM64_OpARM64VUMULL8H(v)
   476  	case OpARM64VUQSHL16Bconst:
   477  		return rewriteValueARM64_OpARM64VUQSHL16Bconst(v)
   478  	case OpARM64VUQSHL2Dconst:
   479  		return rewriteValueARM64_OpARM64VUQSHL2Dconst(v)
   480  	case OpARM64VUQSHL4Sconst:
   481  		return rewriteValueARM64_OpARM64VUQSHL4Sconst(v)
   482  	case OpARM64VUQSHL8Hconst:
   483  		return rewriteValueARM64_OpARM64VUQSHL8Hconst(v)
   484  	case OpARM64VUSHLL16B:
   485  		return rewriteValueARM64_OpARM64VUSHLL16B(v)
   486  	case OpARM64VUSHLL4S:
   487  		return rewriteValueARM64_OpARM64VUSHLL4S(v)
   488  	case OpARM64VUSHLL8H:
   489  		return rewriteValueARM64_OpARM64VUSHLL8H(v)
   490  	case OpARM64VUSHR16B:
   491  		return rewriteValueARM64_OpARM64VUSHR16B(v)
   492  	case OpARM64VUSHR2D:
   493  		return rewriteValueARM64_OpARM64VUSHR2D(v)
   494  	case OpARM64VUSHR4S:
   495  		return rewriteValueARM64_OpARM64VUSHR4S(v)
   496  	case OpARM64VUSHR8H:
   497  		return rewriteValueARM64_OpARM64VUSHR8H(v)
   498  	case OpARM64VUXTL16B:
   499  		return rewriteValueARM64_OpARM64VUXTL16B(v)
   500  	case OpARM64VUXTL4S:
   501  		return rewriteValueARM64_OpARM64VUXTL4S(v)
   502  	case OpARM64VUXTL8H:
   503  		return rewriteValueARM64_OpARM64VUXTL8H(v)
   504  	case OpARM64XOR:
   505  		return rewriteValueARM64_OpARM64XOR(v)
   506  	case OpARM64XORconst:
   507  		return rewriteValueARM64_OpARM64XORconst(v)
   508  	case OpARM64XORshiftLL:
   509  		return rewriteValueARM64_OpARM64XORshiftLL(v)
   510  	case OpARM64XORshiftRA:
   511  		return rewriteValueARM64_OpARM64XORshiftRA(v)
   512  	case OpARM64XORshiftRL:
   513  		return rewriteValueARM64_OpARM64XORshiftRL(v)
   514  	case OpARM64XORshiftRO:
   515  		return rewriteValueARM64_OpARM64XORshiftRO(v)
   516  	case OpAbs:
   517  		v.Op = OpARM64FABSD
   518  		return true
   519  	case OpAbsFloat32x4:
   520  		v.Op = OpARM64VFABS4S
   521  		return true
   522  	case OpAbsFloat64x2:
   523  		v.Op = OpARM64VFABS2D
   524  		return true
   525  	case OpAbsInt16x8:
   526  		v.Op = OpARM64VABS8H
   527  		return true
   528  	case OpAbsInt32x4:
   529  		v.Op = OpARM64VABS4S
   530  		return true
   531  	case OpAbsInt64x2:
   532  		v.Op = OpARM64VABS2D
   533  		return true
   534  	case OpAbsInt8x16:
   535  		v.Op = OpARM64VABS16B
   536  		return true
   537  	case OpAdd16:
   538  		v.Op = OpARM64ADD
   539  		return true
   540  	case OpAdd32:
   541  		v.Op = OpARM64ADD
   542  		return true
   543  	case OpAdd32F:
   544  		v.Op = OpARM64FADDS
   545  		return true
   546  	case OpAdd64:
   547  		v.Op = OpARM64ADD
   548  		return true
   549  	case OpAdd64F:
   550  		v.Op = OpARM64FADDD
   551  		return true
   552  	case OpAdd8:
   553  		v.Op = OpARM64ADD
   554  		return true
   555  	case OpAddFloat32x4:
   556  		v.Op = OpARM64VFADD4S
   557  		return true
   558  	case OpAddFloat64x2:
   559  		v.Op = OpARM64VFADD2D
   560  		return true
   561  	case OpAddInt16x8:
   562  		v.Op = OpARM64VADD8H
   563  		return true
   564  	case OpAddInt32x4:
   565  		v.Op = OpARM64VADD4S
   566  		return true
   567  	case OpAddInt64x2:
   568  		v.Op = OpARM64VADD2D
   569  		return true
   570  	case OpAddInt8x16:
   571  		v.Op = OpARM64VADD16B
   572  		return true
   573  	case OpAddPtr:
   574  		v.Op = OpARM64ADD
   575  		return true
   576  	case OpAddSaturatedInt16x8:
   577  		v.Op = OpARM64VSQADD8H
   578  		return true
   579  	case OpAddSaturatedInt32x4:
   580  		v.Op = OpARM64VSQADD4S
   581  		return true
   582  	case OpAddSaturatedInt64x2:
   583  		v.Op = OpARM64VSQADD2D
   584  		return true
   585  	case OpAddSaturatedInt8x16:
   586  		v.Op = OpARM64VSQADD16B
   587  		return true
   588  	case OpAddSaturatedUint16x8:
   589  		v.Op = OpARM64VUQADD8H
   590  		return true
   591  	case OpAddSaturatedUint32x4:
   592  		v.Op = OpARM64VUQADD4S
   593  		return true
   594  	case OpAddSaturatedUint64x2:
   595  		v.Op = OpARM64VUQADD2D
   596  		return true
   597  	case OpAddSaturatedUint8x16:
   598  		v.Op = OpARM64VUQADD16B
   599  		return true
   600  	case OpAddUint16x8:
   601  		v.Op = OpARM64VADD8H
   602  		return true
   603  	case OpAddUint32x4:
   604  		v.Op = OpARM64VADD4S
   605  		return true
   606  	case OpAddUint64x2:
   607  		v.Op = OpARM64VADD2D
   608  		return true
   609  	case OpAddUint8x16:
   610  		v.Op = OpARM64VADD16B
   611  		return true
   612  	case OpAddr:
   613  		return rewriteValueARM64_OpAddr(v)
   614  	case OpAnd16:
   615  		v.Op = OpARM64AND
   616  		return true
   617  	case OpAnd32:
   618  		v.Op = OpARM64AND
   619  		return true
   620  	case OpAnd64:
   621  		v.Op = OpARM64AND
   622  		return true
   623  	case OpAnd8:
   624  		v.Op = OpARM64AND
   625  		return true
   626  	case OpAndB:
   627  		v.Op = OpARM64AND
   628  		return true
   629  	case OpAndInt16x8:
   630  		v.Op = OpARM64VAND16B
   631  		return true
   632  	case OpAndInt32x4:
   633  		v.Op = OpARM64VAND16B
   634  		return true
   635  	case OpAndInt64x2:
   636  		v.Op = OpARM64VAND16B
   637  		return true
   638  	case OpAndInt8x16:
   639  		v.Op = OpARM64VAND16B
   640  		return true
   641  	case OpAndNotInt16x8:
   642  		v.Op = OpARM64VBIC16B
   643  		return true
   644  	case OpAndNotInt32x4:
   645  		v.Op = OpARM64VBIC16B
   646  		return true
   647  	case OpAndNotInt64x2:
   648  		v.Op = OpARM64VBIC16B
   649  		return true
   650  	case OpAndNotInt8x16:
   651  		v.Op = OpARM64VBIC16B
   652  		return true
   653  	case OpAndNotUint16x8:
   654  		v.Op = OpARM64VBIC16B
   655  		return true
   656  	case OpAndNotUint32x4:
   657  		v.Op = OpARM64VBIC16B
   658  		return true
   659  	case OpAndNotUint64x2:
   660  		v.Op = OpARM64VBIC16B
   661  		return true
   662  	case OpAndNotUint8x16:
   663  		v.Op = OpARM64VBIC16B
   664  		return true
   665  	case OpAndUint16x8:
   666  		v.Op = OpARM64VAND16B
   667  		return true
   668  	case OpAndUint32x4:
   669  		v.Op = OpARM64VAND16B
   670  		return true
   671  	case OpAndUint64x2:
   672  		v.Op = OpARM64VAND16B
   673  		return true
   674  	case OpAndUint8x16:
   675  		v.Op = OpARM64VAND16B
   676  		return true
   677  	case OpAtomicAdd32:
   678  		v.Op = OpARM64LoweredAtomicAdd32
   679  		return true
   680  	case OpAtomicAdd32Variant:
   681  		v.Op = OpARM64LoweredAtomicAdd32Variant
   682  		return true
   683  	case OpAtomicAdd64:
   684  		v.Op = OpARM64LoweredAtomicAdd64
   685  		return true
   686  	case OpAtomicAdd64Variant:
   687  		v.Op = OpARM64LoweredAtomicAdd64Variant
   688  		return true
   689  	case OpAtomicAnd32value:
   690  		v.Op = OpARM64LoweredAtomicAnd32
   691  		return true
   692  	case OpAtomicAnd32valueVariant:
   693  		v.Op = OpARM64LoweredAtomicAnd32Variant
   694  		return true
   695  	case OpAtomicAnd64value:
   696  		v.Op = OpARM64LoweredAtomicAnd64
   697  		return true
   698  	case OpAtomicAnd64valueVariant:
   699  		v.Op = OpARM64LoweredAtomicAnd64Variant
   700  		return true
   701  	case OpAtomicAnd8value:
   702  		v.Op = OpARM64LoweredAtomicAnd8
   703  		return true
   704  	case OpAtomicAnd8valueVariant:
   705  		v.Op = OpARM64LoweredAtomicAnd8Variant
   706  		return true
   707  	case OpAtomicCompareAndSwap32:
   708  		v.Op = OpARM64LoweredAtomicCas32
   709  		return true
   710  	case OpAtomicCompareAndSwap32Variant:
   711  		v.Op = OpARM64LoweredAtomicCas32Variant
   712  		return true
   713  	case OpAtomicCompareAndSwap64:
   714  		v.Op = OpARM64LoweredAtomicCas64
   715  		return true
   716  	case OpAtomicCompareAndSwap64Variant:
   717  		v.Op = OpARM64LoweredAtomicCas64Variant
   718  		return true
   719  	case OpAtomicExchange32:
   720  		v.Op = OpARM64LoweredAtomicExchange32
   721  		return true
   722  	case OpAtomicExchange32Variant:
   723  		v.Op = OpARM64LoweredAtomicExchange32Variant
   724  		return true
   725  	case OpAtomicExchange64:
   726  		v.Op = OpARM64LoweredAtomicExchange64
   727  		return true
   728  	case OpAtomicExchange64Variant:
   729  		v.Op = OpARM64LoweredAtomicExchange64Variant
   730  		return true
   731  	case OpAtomicExchange8:
   732  		v.Op = OpARM64LoweredAtomicExchange8
   733  		return true
   734  	case OpAtomicExchange8Variant:
   735  		v.Op = OpARM64LoweredAtomicExchange8Variant
   736  		return true
   737  	case OpAtomicLoad32:
   738  		v.Op = OpARM64LDARW
   739  		return true
   740  	case OpAtomicLoad64:
   741  		v.Op = OpARM64LDAR
   742  		return true
   743  	case OpAtomicLoad8:
   744  		v.Op = OpARM64LDARB
   745  		return true
   746  	case OpAtomicLoadPtr:
   747  		v.Op = OpARM64LDAR
   748  		return true
   749  	case OpAtomicOr32value:
   750  		v.Op = OpARM64LoweredAtomicOr32
   751  		return true
   752  	case OpAtomicOr32valueVariant:
   753  		v.Op = OpARM64LoweredAtomicOr32Variant
   754  		return true
   755  	case OpAtomicOr64value:
   756  		v.Op = OpARM64LoweredAtomicOr64
   757  		return true
   758  	case OpAtomicOr64valueVariant:
   759  		v.Op = OpARM64LoweredAtomicOr64Variant
   760  		return true
   761  	case OpAtomicOr8value:
   762  		v.Op = OpARM64LoweredAtomicOr8
   763  		return true
   764  	case OpAtomicOr8valueVariant:
   765  		v.Op = OpARM64LoweredAtomicOr8Variant
   766  		return true
   767  	case OpAtomicStore32:
   768  		v.Op = OpARM64STLRW
   769  		return true
   770  	case OpAtomicStore64:
   771  		v.Op = OpARM64STLR
   772  		return true
   773  	case OpAtomicStore8:
   774  		v.Op = OpARM64STLRB
   775  		return true
   776  	case OpAtomicStorePtrNoWB:
   777  		v.Op = OpARM64STLR
   778  		return true
   779  	case OpAverageInt16x8:
   780  		v.Op = OpARM64VSRHADD8H
   781  		return true
   782  	case OpAverageInt32x4:
   783  		v.Op = OpARM64VSRHADD4S
   784  		return true
   785  	case OpAverageInt8x16:
   786  		v.Op = OpARM64VSRHADD16B
   787  		return true
   788  	case OpAverageUint16x8:
   789  		v.Op = OpARM64VURHADD8H
   790  		return true
   791  	case OpAverageUint32x4:
   792  		v.Op = OpARM64VURHADD4S
   793  		return true
   794  	case OpAverageUint8x16:
   795  		v.Op = OpARM64VURHADD16B
   796  		return true
   797  	case OpAvg64u:
   798  		return rewriteValueARM64_OpAvg64u(v)
   799  	case OpBitLen16:
   800  		return rewriteValueARM64_OpBitLen16(v)
   801  	case OpBitLen32:
   802  		return rewriteValueARM64_OpBitLen32(v)
   803  	case OpBitLen64:
   804  		return rewriteValueARM64_OpBitLen64(v)
   805  	case OpBitLen8:
   806  		return rewriteValueARM64_OpBitLen8(v)
   807  	case OpBitRev16:
   808  		return rewriteValueARM64_OpBitRev16(v)
   809  	case OpBitRev32:
   810  		v.Op = OpARM64RBITW
   811  		return true
   812  	case OpBitRev64:
   813  		v.Op = OpARM64RBIT
   814  		return true
   815  	case OpBitRev8:
   816  		return rewriteValueARM64_OpBitRev8(v)
   817  	case OpBswap16:
   818  		v.Op = OpARM64REV16W
   819  		return true
   820  	case OpBswap32:
   821  		v.Op = OpARM64REVW
   822  		return true
   823  	case OpBswap64:
   824  		v.Op = OpARM64REV
   825  		return true
   826  	case OpCeil:
   827  		v.Op = OpARM64FRINTPD
   828  		return true
   829  	case OpCeilFloat32x4:
   830  		v.Op = OpARM64VFRINTP4S
   831  		return true
   832  	case OpCeilFloat64x2:
   833  		v.Op = OpARM64VFRINTP2D
   834  		return true
   835  	case OpClosureCall:
   836  		v.Op = OpARM64CALLclosure
   837  		return true
   838  	case OpCom16:
   839  		v.Op = OpARM64MVN
   840  		return true
   841  	case OpCom32:
   842  		v.Op = OpARM64MVN
   843  		return true
   844  	case OpCom64:
   845  		v.Op = OpARM64MVN
   846  		return true
   847  	case OpCom8:
   848  		v.Op = OpARM64MVN
   849  		return true
   850  	case OpConcatAddPairsFloat32x4:
   851  		v.Op = OpARM64VFADDP4S
   852  		return true
   853  	case OpConcatAddPairsFloat64x2:
   854  		v.Op = OpARM64VFADDP2D
   855  		return true
   856  	case OpConcatAddPairsInt16x8:
   857  		v.Op = OpARM64VADDP8H
   858  		return true
   859  	case OpConcatAddPairsInt32x4:
   860  		v.Op = OpARM64VADDP4S
   861  		return true
   862  	case OpConcatAddPairsInt64x2:
   863  		v.Op = OpARM64VADDP2D
   864  		return true
   865  	case OpConcatAddPairsUint16x8:
   866  		v.Op = OpARM64VADDP8H
   867  		return true
   868  	case OpConcatAddPairsUint32x4:
   869  		v.Op = OpARM64VADDP4S
   870  		return true
   871  	case OpConcatAddPairsUint64x2:
   872  		v.Op = OpARM64VADDP2D
   873  		return true
   874  	case OpConcatEvenInt16x8:
   875  		v.Op = OpARM64VUZP18H
   876  		return true
   877  	case OpConcatEvenInt32x4:
   878  		v.Op = OpARM64VUZP14S
   879  		return true
   880  	case OpConcatEvenInt64x2:
   881  		v.Op = OpARM64VUZP12D
   882  		return true
   883  	case OpConcatEvenInt8x16:
   884  		v.Op = OpARM64VUZP116B
   885  		return true
   886  	case OpConcatEvenUint16x8:
   887  		v.Op = OpARM64VUZP18H
   888  		return true
   889  	case OpConcatEvenUint32x4:
   890  		v.Op = OpARM64VUZP14S
   891  		return true
   892  	case OpConcatEvenUint64x2:
   893  		v.Op = OpARM64VUZP12D
   894  		return true
   895  	case OpConcatEvenUint8x16:
   896  		v.Op = OpARM64VUZP116B
   897  		return true
   898  	case OpConcatOddInt16x8:
   899  		v.Op = OpARM64VUZP28H
   900  		return true
   901  	case OpConcatOddInt32x4:
   902  		v.Op = OpARM64VUZP24S
   903  		return true
   904  	case OpConcatOddInt64x2:
   905  		v.Op = OpARM64VUZP22D
   906  		return true
   907  	case OpConcatOddInt8x16:
   908  		v.Op = OpARM64VUZP216B
   909  		return true
   910  	case OpConcatOddUint16x8:
   911  		v.Op = OpARM64VUZP28H
   912  		return true
   913  	case OpConcatOddUint32x4:
   914  		v.Op = OpARM64VUZP24S
   915  		return true
   916  	case OpConcatOddUint64x2:
   917  		v.Op = OpARM64VUZP22D
   918  		return true
   919  	case OpConcatOddUint8x16:
   920  		v.Op = OpARM64VUZP216B
   921  		return true
   922  	case OpConcatShiftBytesRightUint8x16:
   923  		v.Op = OpARM64VEXT16B
   924  		return true
   925  	case OpCondSelect:
   926  		return rewriteValueARM64_OpCondSelect(v)
   927  	case OpConst16:
   928  		return rewriteValueARM64_OpConst16(v)
   929  	case OpConst32:
   930  		return rewriteValueARM64_OpConst32(v)
   931  	case OpConst32F:
   932  		return rewriteValueARM64_OpConst32F(v)
   933  	case OpConst64:
   934  		return rewriteValueARM64_OpConst64(v)
   935  	case OpConst64F:
   936  		return rewriteValueARM64_OpConst64F(v)
   937  	case OpConst8:
   938  		return rewriteValueARM64_OpConst8(v)
   939  	case OpConstBool:
   940  		return rewriteValueARM64_OpConstBool(v)
   941  	case OpConstNil:
   942  		return rewriteValueARM64_OpConstNil(v)
   943  	case OpConvertLo2ToFloat64Float32x4:
   944  		v.Op = OpARM64VFCVTL4S
   945  		return true
   946  	case OpConvertToFloat32Float64x2:
   947  		v.Op = OpARM64VFCVTN2D
   948  		return true
   949  	case OpConvertToFloat32Int32x4:
   950  		v.Op = OpARM64VSCVTF4S
   951  		return true
   952  	case OpConvertToFloat32Uint32x4:
   953  		v.Op = OpARM64VUCVTF4S
   954  		return true
   955  	case OpConvertToFloat64Int64x2:
   956  		v.Op = OpARM64VSCVTF2D
   957  		return true
   958  	case OpConvertToFloat64Uint64x2:
   959  		v.Op = OpARM64VUCVTF2D
   960  		return true
   961  	case OpConvertToInt32Float32x4:
   962  		v.Op = OpARM64VFCVTZS4S
   963  		return true
   964  	case OpConvertToInt64Float64x2:
   965  		v.Op = OpARM64VFCVTZS2D
   966  		return true
   967  	case OpConvertToUint32Float32x4:
   968  		v.Op = OpARM64VFCVTZU4S
   969  		return true
   970  	case OpConvertToUint64Float64x2:
   971  		v.Op = OpARM64VFCVTZU2D
   972  		return true
   973  	case OpCtz16:
   974  		return rewriteValueARM64_OpCtz16(v)
   975  	case OpCtz16NonZero:
   976  		v.Op = OpCtz32
   977  		return true
   978  	case OpCtz32:
   979  		return rewriteValueARM64_OpCtz32(v)
   980  	case OpCtz32NonZero:
   981  		v.Op = OpCtz32
   982  		return true
   983  	case OpCtz64:
   984  		return rewriteValueARM64_OpCtz64(v)
   985  	case OpCtz64NonZero:
   986  		v.Op = OpCtz64
   987  		return true
   988  	case OpCtz8:
   989  		return rewriteValueARM64_OpCtz8(v)
   990  	case OpCtz8NonZero:
   991  		v.Op = OpCtz32
   992  		return true
   993  	case OpCvt32Fto32:
   994  		v.Op = OpARM64FCVTZSSW
   995  		return true
   996  	case OpCvt32Fto32U:
   997  		v.Op = OpARM64FCVTZUSW
   998  		return true
   999  	case OpCvt32Fto64:
  1000  		v.Op = OpARM64FCVTZSS
  1001  		return true
  1002  	case OpCvt32Fto64F:
  1003  		v.Op = OpARM64FCVTSD
  1004  		return true
  1005  	case OpCvt32Fto64U:
  1006  		v.Op = OpARM64FCVTZUS
  1007  		return true
  1008  	case OpCvt32Uto32F:
  1009  		v.Op = OpARM64UCVTFWS
  1010  		return true
  1011  	case OpCvt32Uto64F:
  1012  		v.Op = OpARM64UCVTFWD
  1013  		return true
  1014  	case OpCvt32to32F:
  1015  		v.Op = OpARM64SCVTFWS
  1016  		return true
  1017  	case OpCvt32to64F:
  1018  		v.Op = OpARM64SCVTFWD
  1019  		return true
  1020  	case OpCvt64Fto32:
  1021  		v.Op = OpARM64FCVTZSDW
  1022  		return true
  1023  	case OpCvt64Fto32F:
  1024  		v.Op = OpARM64FCVTDS
  1025  		return true
  1026  	case OpCvt64Fto32U:
  1027  		v.Op = OpARM64FCVTZUDW
  1028  		return true
  1029  	case OpCvt64Fto64:
  1030  		v.Op = OpARM64FCVTZSD
  1031  		return true
  1032  	case OpCvt64Fto64U:
  1033  		v.Op = OpARM64FCVTZUD
  1034  		return true
  1035  	case OpCvt64Uto32F:
  1036  		v.Op = OpARM64UCVTFS
  1037  		return true
  1038  	case OpCvt64Uto64F:
  1039  		v.Op = OpARM64UCVTFD
  1040  		return true
  1041  	case OpCvt64to32F:
  1042  		v.Op = OpARM64SCVTFS
  1043  		return true
  1044  	case OpCvt64to64F:
  1045  		v.Op = OpARM64SCVTFD
  1046  		return true
  1047  	case OpCvtBoolToUint8:
  1048  		v.Op = OpCopy
  1049  		return true
  1050  	case OpDiv16:
  1051  		return rewriteValueARM64_OpDiv16(v)
  1052  	case OpDiv16u:
  1053  		return rewriteValueARM64_OpDiv16u(v)
  1054  	case OpDiv32:
  1055  		return rewriteValueARM64_OpDiv32(v)
  1056  	case OpDiv32F:
  1057  		v.Op = OpARM64FDIVS
  1058  		return true
  1059  	case OpDiv32u:
  1060  		v.Op = OpARM64UDIVW
  1061  		return true
  1062  	case OpDiv64:
  1063  		return rewriteValueARM64_OpDiv64(v)
  1064  	case OpDiv64F:
  1065  		v.Op = OpARM64FDIVD
  1066  		return true
  1067  	case OpDiv64u:
  1068  		v.Op = OpARM64UDIV
  1069  		return true
  1070  	case OpDiv8:
  1071  		return rewriteValueARM64_OpDiv8(v)
  1072  	case OpDiv8u:
  1073  		return rewriteValueARM64_OpDiv8u(v)
  1074  	case OpDivFloat32x4:
  1075  		v.Op = OpARM64VFDIV4S
  1076  		return true
  1077  	case OpDivFloat64x2:
  1078  		v.Op = OpARM64VFDIV2D
  1079  		return true
  1080  	case OpEq16:
  1081  		return rewriteValueARM64_OpEq16(v)
  1082  	case OpEq32:
  1083  		return rewriteValueARM64_OpEq32(v)
  1084  	case OpEq32F:
  1085  		return rewriteValueARM64_OpEq32F(v)
  1086  	case OpEq64:
  1087  		return rewriteValueARM64_OpEq64(v)
  1088  	case OpEq64F:
  1089  		return rewriteValueARM64_OpEq64F(v)
  1090  	case OpEq8:
  1091  		return rewriteValueARM64_OpEq8(v)
  1092  	case OpEqB:
  1093  		return rewriteValueARM64_OpEqB(v)
  1094  	case OpEqPtr:
  1095  		return rewriteValueARM64_OpEqPtr(v)
  1096  	case OpEqualFloat32x4:
  1097  		v.Op = OpARM64VFCMEQ4S
  1098  		return true
  1099  	case OpEqualFloat64x2:
  1100  		v.Op = OpARM64VFCMEQ2D
  1101  		return true
  1102  	case OpEqualInt16x8:
  1103  		v.Op = OpARM64VCMEQ8H
  1104  		return true
  1105  	case OpEqualInt32x4:
  1106  		v.Op = OpARM64VCMEQ4S
  1107  		return true
  1108  	case OpEqualInt64x2:
  1109  		v.Op = OpARM64VCMEQ2D
  1110  		return true
  1111  	case OpEqualInt8x16:
  1112  		v.Op = OpARM64VCMEQ16B
  1113  		return true
  1114  	case OpEqualUint16x8:
  1115  		v.Op = OpARM64VCMEQ8H
  1116  		return true
  1117  	case OpEqualUint32x4:
  1118  		v.Op = OpARM64VCMEQ4S
  1119  		return true
  1120  	case OpEqualUint64x2:
  1121  		v.Op = OpARM64VCMEQ2D
  1122  		return true
  1123  	case OpEqualUint8x16:
  1124  		v.Op = OpARM64VCMEQ16B
  1125  		return true
  1126  	case OpExtendLo2ToInt64Int32x4:
  1127  		v.Op = OpARM64VSXTL4S
  1128  		return true
  1129  	case OpExtendLo2ToUint64Uint32x4:
  1130  		v.Op = OpARM64VUXTL4S
  1131  		return true
  1132  	case OpExtendLo4ToInt32Int16x8:
  1133  		v.Op = OpARM64VSXTL8H
  1134  		return true
  1135  	case OpExtendLo4ToUint32Uint16x8:
  1136  		v.Op = OpARM64VUXTL8H
  1137  		return true
  1138  	case OpExtendLo8ToInt16Int8x16:
  1139  		v.Op = OpARM64VSXTL16B
  1140  		return true
  1141  	case OpExtendLo8ToUint16Uint8x16:
  1142  		v.Op = OpARM64VUXTL16B
  1143  		return true
  1144  	case OpFMA:
  1145  		return rewriteValueARM64_OpFMA(v)
  1146  	case OpFloor:
  1147  		v.Op = OpARM64FRINTMD
  1148  		return true
  1149  	case OpFloorFloat32x4:
  1150  		v.Op = OpARM64VFRINTM4S
  1151  		return true
  1152  	case OpFloorFloat64x2:
  1153  		v.Op = OpARM64VFRINTM2D
  1154  		return true
  1155  	case OpGetCallerPC:
  1156  		v.Op = OpARM64LoweredGetCallerPC
  1157  		return true
  1158  	case OpGetCallerSP:
  1159  		v.Op = OpARM64LoweredGetCallerSP
  1160  		return true
  1161  	case OpGetClosurePtr:
  1162  		v.Op = OpARM64LoweredGetClosurePtr
  1163  		return true
  1164  	case OpGetElemFloat32x4:
  1165  		v.Op = OpARM64VDUPSextr
  1166  		return true
  1167  	case OpGetElemFloat64x2:
  1168  		v.Op = OpARM64VDUPDextr
  1169  		return true
  1170  	case OpGetElemInt16x8:
  1171  		v.Op = OpARM64VMOVHextr
  1172  		return true
  1173  	case OpGetElemInt32x4:
  1174  		v.Op = OpARM64VMOVSextr
  1175  		return true
  1176  	case OpGetElemInt64x2:
  1177  		v.Op = OpARM64VMOVDextr
  1178  		return true
  1179  	case OpGetElemInt8x16:
  1180  		v.Op = OpARM64VMOVBextr
  1181  		return true
  1182  	case OpGetElemUint16x8:
  1183  		v.Op = OpARM64VMOVHextr
  1184  		return true
  1185  	case OpGetElemUint32x4:
  1186  		v.Op = OpARM64VMOVSextr
  1187  		return true
  1188  	case OpGetElemUint64x2:
  1189  		v.Op = OpARM64VMOVDextr
  1190  		return true
  1191  	case OpGetElemUint8x16:
  1192  		v.Op = OpARM64VMOVBextr
  1193  		return true
  1194  	case OpGreaterEqualFloat32x4:
  1195  		v.Op = OpARM64VFCMGE4S
  1196  		return true
  1197  	case OpGreaterEqualFloat64x2:
  1198  		v.Op = OpARM64VFCMGE2D
  1199  		return true
  1200  	case OpGreaterEqualInt16x8:
  1201  		v.Op = OpARM64VCMGE8H
  1202  		return true
  1203  	case OpGreaterEqualInt32x4:
  1204  		v.Op = OpARM64VCMGE4S
  1205  		return true
  1206  	case OpGreaterEqualInt64x2:
  1207  		v.Op = OpARM64VCMGE2D
  1208  		return true
  1209  	case OpGreaterEqualInt8x16:
  1210  		v.Op = OpARM64VCMGE16B
  1211  		return true
  1212  	case OpGreaterEqualUint16x8:
  1213  		v.Op = OpARM64VCMHS8H
  1214  		return true
  1215  	case OpGreaterEqualUint32x4:
  1216  		v.Op = OpARM64VCMHS4S
  1217  		return true
  1218  	case OpGreaterEqualUint64x2:
  1219  		v.Op = OpARM64VCMHS2D
  1220  		return true
  1221  	case OpGreaterEqualUint8x16:
  1222  		v.Op = OpARM64VCMHS16B
  1223  		return true
  1224  	case OpGreaterFloat32x4:
  1225  		v.Op = OpARM64VFCMGT4S
  1226  		return true
  1227  	case OpGreaterFloat64x2:
  1228  		v.Op = OpARM64VFCMGT2D
  1229  		return true
  1230  	case OpGreaterInt16x8:
  1231  		v.Op = OpARM64VCMGT8H
  1232  		return true
  1233  	case OpGreaterInt32x4:
  1234  		v.Op = OpARM64VCMGT4S
  1235  		return true
  1236  	case OpGreaterInt64x2:
  1237  		v.Op = OpARM64VCMGT2D
  1238  		return true
  1239  	case OpGreaterInt8x16:
  1240  		v.Op = OpARM64VCMGT16B
  1241  		return true
  1242  	case OpGreaterUint16x8:
  1243  		v.Op = OpARM64VCMHI8H
  1244  		return true
  1245  	case OpGreaterUint32x4:
  1246  		v.Op = OpARM64VCMHI4S
  1247  		return true
  1248  	case OpGreaterUint64x2:
  1249  		v.Op = OpARM64VCMHI2D
  1250  		return true
  1251  	case OpGreaterUint8x16:
  1252  		v.Op = OpARM64VCMHI16B
  1253  		return true
  1254  	case OpHmul32:
  1255  		return rewriteValueARM64_OpHmul32(v)
  1256  	case OpHmul32u:
  1257  		return rewriteValueARM64_OpHmul32u(v)
  1258  	case OpHmul64:
  1259  		v.Op = OpARM64MULH
  1260  		return true
  1261  	case OpHmul64u:
  1262  		v.Op = OpARM64UMULH
  1263  		return true
  1264  	case OpInterCall:
  1265  		v.Op = OpARM64CALLinter
  1266  		return true
  1267  	case OpInterleaveEvenInt16x8:
  1268  		v.Op = OpARM64VTRN18H
  1269  		return true
  1270  	case OpInterleaveEvenInt32x4:
  1271  		v.Op = OpARM64VTRN14S
  1272  		return true
  1273  	case OpInterleaveEvenInt64x2:
  1274  		v.Op = OpARM64VTRN12D
  1275  		return true
  1276  	case OpInterleaveEvenInt8x16:
  1277  		v.Op = OpARM64VTRN116B
  1278  		return true
  1279  	case OpInterleaveEvenUint16x8:
  1280  		v.Op = OpARM64VTRN18H
  1281  		return true
  1282  	case OpInterleaveEvenUint32x4:
  1283  		v.Op = OpARM64VTRN14S
  1284  		return true
  1285  	case OpInterleaveEvenUint64x2:
  1286  		v.Op = OpARM64VTRN12D
  1287  		return true
  1288  	case OpInterleaveEvenUint8x16:
  1289  		v.Op = OpARM64VTRN116B
  1290  		return true
  1291  	case OpInterleaveHiInt16x8:
  1292  		v.Op = OpARM64VZIP28H
  1293  		return true
  1294  	case OpInterleaveHiInt32x4:
  1295  		v.Op = OpARM64VZIP24S
  1296  		return true
  1297  	case OpInterleaveHiInt64x2:
  1298  		v.Op = OpARM64VZIP22D
  1299  		return true
  1300  	case OpInterleaveHiInt8x16:
  1301  		v.Op = OpARM64VZIP216B
  1302  		return true
  1303  	case OpInterleaveHiUint16x8:
  1304  		v.Op = OpARM64VZIP28H
  1305  		return true
  1306  	case OpInterleaveHiUint32x4:
  1307  		v.Op = OpARM64VZIP24S
  1308  		return true
  1309  	case OpInterleaveHiUint64x2:
  1310  		v.Op = OpARM64VZIP22D
  1311  		return true
  1312  	case OpInterleaveHiUint8x16:
  1313  		v.Op = OpARM64VZIP216B
  1314  		return true
  1315  	case OpInterleaveLoInt16x8:
  1316  		v.Op = OpARM64VZIP18H
  1317  		return true
  1318  	case OpInterleaveLoInt32x4:
  1319  		v.Op = OpARM64VZIP14S
  1320  		return true
  1321  	case OpInterleaveLoInt64x2:
  1322  		v.Op = OpARM64VZIP12D
  1323  		return true
  1324  	case OpInterleaveLoInt8x16:
  1325  		v.Op = OpARM64VZIP116B
  1326  		return true
  1327  	case OpInterleaveLoUint16x8:
  1328  		v.Op = OpARM64VZIP18H
  1329  		return true
  1330  	case OpInterleaveLoUint32x4:
  1331  		v.Op = OpARM64VZIP14S
  1332  		return true
  1333  	case OpInterleaveLoUint64x2:
  1334  		v.Op = OpARM64VZIP12D
  1335  		return true
  1336  	case OpInterleaveLoUint8x16:
  1337  		v.Op = OpARM64VZIP116B
  1338  		return true
  1339  	case OpInterleaveOddInt16x8:
  1340  		v.Op = OpARM64VTRN28H
  1341  		return true
  1342  	case OpInterleaveOddInt32x4:
  1343  		v.Op = OpARM64VTRN24S
  1344  		return true
  1345  	case OpInterleaveOddInt64x2:
  1346  		v.Op = OpARM64VTRN22D
  1347  		return true
  1348  	case OpInterleaveOddInt8x16:
  1349  		v.Op = OpARM64VTRN216B
  1350  		return true
  1351  	case OpInterleaveOddUint16x8:
  1352  		v.Op = OpARM64VTRN28H
  1353  		return true
  1354  	case OpInterleaveOddUint32x4:
  1355  		v.Op = OpARM64VTRN24S
  1356  		return true
  1357  	case OpInterleaveOddUint64x2:
  1358  		v.Op = OpARM64VTRN22D
  1359  		return true
  1360  	case OpInterleaveOddUint8x16:
  1361  		v.Op = OpARM64VTRN216B
  1362  		return true
  1363  	case OpIsInBounds:
  1364  		return rewriteValueARM64_OpIsInBounds(v)
  1365  	case OpIsNonNil:
  1366  		return rewriteValueARM64_OpIsNonNil(v)
  1367  	case OpIsSliceInBounds:
  1368  		return rewriteValueARM64_OpIsSliceInBounds(v)
  1369  	case OpLeadingSignBitsInt16x8:
  1370  		v.Op = OpARM64VCLS8H
  1371  		return true
  1372  	case OpLeadingSignBitsInt32x4:
  1373  		v.Op = OpARM64VCLS4S
  1374  		return true
  1375  	case OpLeadingSignBitsInt8x16:
  1376  		v.Op = OpARM64VCLS16B
  1377  		return true
  1378  	case OpLeadingSignBitsUint16x8:
  1379  		v.Op = OpARM64VCLS8H
  1380  		return true
  1381  	case OpLeadingSignBitsUint32x4:
  1382  		v.Op = OpARM64VCLS4S
  1383  		return true
  1384  	case OpLeadingSignBitsUint8x16:
  1385  		v.Op = OpARM64VCLS16B
  1386  		return true
  1387  	case OpLeadingZerosInt16x8:
  1388  		v.Op = OpARM64VCLZ8H
  1389  		return true
  1390  	case OpLeadingZerosInt32x4:
  1391  		v.Op = OpARM64VCLZ4S
  1392  		return true
  1393  	case OpLeadingZerosInt8x16:
  1394  		v.Op = OpARM64VCLZ16B
  1395  		return true
  1396  	case OpLeadingZerosUint16x8:
  1397  		v.Op = OpARM64VCLZ8H
  1398  		return true
  1399  	case OpLeadingZerosUint32x4:
  1400  		v.Op = OpARM64VCLZ4S
  1401  		return true
  1402  	case OpLeadingZerosUint8x16:
  1403  		v.Op = OpARM64VCLZ16B
  1404  		return true
  1405  	case OpLeq16:
  1406  		return rewriteValueARM64_OpLeq16(v)
  1407  	case OpLeq16U:
  1408  		return rewriteValueARM64_OpLeq16U(v)
  1409  	case OpLeq32:
  1410  		return rewriteValueARM64_OpLeq32(v)
  1411  	case OpLeq32F:
  1412  		return rewriteValueARM64_OpLeq32F(v)
  1413  	case OpLeq32U:
  1414  		return rewriteValueARM64_OpLeq32U(v)
  1415  	case OpLeq64:
  1416  		return rewriteValueARM64_OpLeq64(v)
  1417  	case OpLeq64F:
  1418  		return rewriteValueARM64_OpLeq64F(v)
  1419  	case OpLeq64U:
  1420  		return rewriteValueARM64_OpLeq64U(v)
  1421  	case OpLeq8:
  1422  		return rewriteValueARM64_OpLeq8(v)
  1423  	case OpLeq8U:
  1424  		return rewriteValueARM64_OpLeq8U(v)
  1425  	case OpLess16:
  1426  		return rewriteValueARM64_OpLess16(v)
  1427  	case OpLess16U:
  1428  		return rewriteValueARM64_OpLess16U(v)
  1429  	case OpLess32:
  1430  		return rewriteValueARM64_OpLess32(v)
  1431  	case OpLess32F:
  1432  		return rewriteValueARM64_OpLess32F(v)
  1433  	case OpLess32U:
  1434  		return rewriteValueARM64_OpLess32U(v)
  1435  	case OpLess64:
  1436  		return rewriteValueARM64_OpLess64(v)
  1437  	case OpLess64F:
  1438  		return rewriteValueARM64_OpLess64F(v)
  1439  	case OpLess64U:
  1440  		return rewriteValueARM64_OpLess64U(v)
  1441  	case OpLess8:
  1442  		return rewriteValueARM64_OpLess8(v)
  1443  	case OpLess8U:
  1444  		return rewriteValueARM64_OpLess8U(v)
  1445  	case OpLoad:
  1446  		return rewriteValueARM64_OpLoad(v)
  1447  	case OpLocalAddr:
  1448  		return rewriteValueARM64_OpLocalAddr(v)
  1449  	case OpLookupOrZeroInt8x16:
  1450  		v.Op = OpARM64VTBL16B
  1451  		return true
  1452  	case OpLookupOrZeroUint8x16:
  1453  		v.Op = OpARM64VTBL16B
  1454  		return true
  1455  	case OpLsh16x16:
  1456  		v.Op = OpLsh64x16
  1457  		return true
  1458  	case OpLsh16x32:
  1459  		v.Op = OpLsh64x32
  1460  		return true
  1461  	case OpLsh16x64:
  1462  		v.Op = OpLsh64x64
  1463  		return true
  1464  	case OpLsh16x8:
  1465  		v.Op = OpLsh64x8
  1466  		return true
  1467  	case OpLsh32x16:
  1468  		v.Op = OpLsh64x16
  1469  		return true
  1470  	case OpLsh32x32:
  1471  		v.Op = OpLsh64x32
  1472  		return true
  1473  	case OpLsh32x64:
  1474  		v.Op = OpLsh64x64
  1475  		return true
  1476  	case OpLsh32x8:
  1477  		v.Op = OpLsh64x8
  1478  		return true
  1479  	case OpLsh64x16:
  1480  		return rewriteValueARM64_OpLsh64x16(v)
  1481  	case OpLsh64x32:
  1482  		return rewriteValueARM64_OpLsh64x32(v)
  1483  	case OpLsh64x64:
  1484  		return rewriteValueARM64_OpLsh64x64(v)
  1485  	case OpLsh64x8:
  1486  		return rewriteValueARM64_OpLsh64x8(v)
  1487  	case OpLsh8x16:
  1488  		v.Op = OpLsh64x16
  1489  		return true
  1490  	case OpLsh8x32:
  1491  		v.Op = OpLsh64x32
  1492  		return true
  1493  	case OpLsh8x64:
  1494  		v.Op = OpLsh64x64
  1495  		return true
  1496  	case OpLsh8x8:
  1497  		v.Op = OpLsh64x8
  1498  		return true
  1499  	case OpMax32F:
  1500  		v.Op = OpARM64FMAXS
  1501  		return true
  1502  	case OpMax32FSel:
  1503  		return rewriteValueARM64_OpMax32FSel(v)
  1504  	case OpMax64F:
  1505  		v.Op = OpARM64FMAXD
  1506  		return true
  1507  	case OpMax64FSel:
  1508  		return rewriteValueARM64_OpMax64FSel(v)
  1509  	case OpMaxFloat32x4:
  1510  		v.Op = OpARM64VFMAX4S
  1511  		return true
  1512  	case OpMaxFloat64x2:
  1513  		v.Op = OpARM64VFMAX2D
  1514  		return true
  1515  	case OpMaxInt16x8:
  1516  		v.Op = OpARM64VSMAX8H
  1517  		return true
  1518  	case OpMaxInt32x4:
  1519  		v.Op = OpARM64VSMAX4S
  1520  		return true
  1521  	case OpMaxInt8x16:
  1522  		v.Op = OpARM64VSMAX16B
  1523  		return true
  1524  	case OpMaxUint16x8:
  1525  		v.Op = OpARM64VUMAX8H
  1526  		return true
  1527  	case OpMaxUint32x4:
  1528  		v.Op = OpARM64VUMAX4S
  1529  		return true
  1530  	case OpMaxUint8x16:
  1531  		v.Op = OpARM64VUMAX16B
  1532  		return true
  1533  	case OpMemEq:
  1534  		v.Op = OpARM64LoweredMemEq
  1535  		return true
  1536  	case OpMin32F:
  1537  		v.Op = OpARM64FMINS
  1538  		return true
  1539  	case OpMin32FSel:
  1540  		return rewriteValueARM64_OpMin32FSel(v)
  1541  	case OpMin64F:
  1542  		v.Op = OpARM64FMIND
  1543  		return true
  1544  	case OpMin64FSel:
  1545  		return rewriteValueARM64_OpMin64FSel(v)
  1546  	case OpMinFloat32x4:
  1547  		v.Op = OpARM64VFMIN4S
  1548  		return true
  1549  	case OpMinFloat64x2:
  1550  		v.Op = OpARM64VFMIN2D
  1551  		return true
  1552  	case OpMinInt16x8:
  1553  		v.Op = OpARM64VSMIN8H
  1554  		return true
  1555  	case OpMinInt32x4:
  1556  		v.Op = OpARM64VSMIN4S
  1557  		return true
  1558  	case OpMinInt8x16:
  1559  		v.Op = OpARM64VSMIN16B
  1560  		return true
  1561  	case OpMinUint16x8:
  1562  		v.Op = OpARM64VUMIN8H
  1563  		return true
  1564  	case OpMinUint32x4:
  1565  		v.Op = OpARM64VUMIN4S
  1566  		return true
  1567  	case OpMinUint8x16:
  1568  		v.Op = OpARM64VUMIN16B
  1569  		return true
  1570  	case OpMod16:
  1571  		return rewriteValueARM64_OpMod16(v)
  1572  	case OpMod16u:
  1573  		return rewriteValueARM64_OpMod16u(v)
  1574  	case OpMod32:
  1575  		return rewriteValueARM64_OpMod32(v)
  1576  	case OpMod32u:
  1577  		v.Op = OpARM64UMODW
  1578  		return true
  1579  	case OpMod64:
  1580  		return rewriteValueARM64_OpMod64(v)
  1581  	case OpMod64u:
  1582  		v.Op = OpARM64UMOD
  1583  		return true
  1584  	case OpMod8:
  1585  		return rewriteValueARM64_OpMod8(v)
  1586  	case OpMod8u:
  1587  		return rewriteValueARM64_OpMod8u(v)
  1588  	case OpMove:
  1589  		return rewriteValueARM64_OpMove(v)
  1590  	case OpMul16:
  1591  		v.Op = OpARM64MULW
  1592  		return true
  1593  	case OpMul32:
  1594  		v.Op = OpARM64MULW
  1595  		return true
  1596  	case OpMul32F:
  1597  		v.Op = OpARM64FMULS
  1598  		return true
  1599  	case OpMul64:
  1600  		v.Op = OpARM64MUL
  1601  		return true
  1602  	case OpMul64F:
  1603  		v.Op = OpARM64FMULD
  1604  		return true
  1605  	case OpMul8:
  1606  		v.Op = OpARM64MULW
  1607  		return true
  1608  	case OpMulAddFloat32x4:
  1609  		return rewriteValueARM64_OpMulAddFloat32x4(v)
  1610  	case OpMulAddFloat64x2:
  1611  		return rewriteValueARM64_OpMulAddFloat64x2(v)
  1612  	case OpMulAddInt16x8:
  1613  		return rewriteValueARM64_OpMulAddInt16x8(v)
  1614  	case OpMulAddInt32x4:
  1615  		return rewriteValueARM64_OpMulAddInt32x4(v)
  1616  	case OpMulAddInt8x16:
  1617  		return rewriteValueARM64_OpMulAddInt8x16(v)
  1618  	case OpMulAddUint16x8:
  1619  		return rewriteValueARM64_OpMulAddUint16x8(v)
  1620  	case OpMulAddUint32x4:
  1621  		return rewriteValueARM64_OpMulAddUint32x4(v)
  1622  	case OpMulAddUint8x16:
  1623  		return rewriteValueARM64_OpMulAddUint8x16(v)
  1624  	case OpMulFloat32x4:
  1625  		v.Op = OpARM64VFMUL4S
  1626  		return true
  1627  	case OpMulFloat64x2:
  1628  		v.Op = OpARM64VFMUL2D
  1629  		return true
  1630  	case OpMulInt16x8:
  1631  		v.Op = OpARM64VMUL8H
  1632  		return true
  1633  	case OpMulInt32x4:
  1634  		v.Op = OpARM64VMUL4S
  1635  		return true
  1636  	case OpMulInt8x16:
  1637  		v.Op = OpARM64VMUL16B
  1638  		return true
  1639  	case OpMulUint16x8:
  1640  		v.Op = OpARM64VMUL8H
  1641  		return true
  1642  	case OpMulUint32x4:
  1643  		v.Op = OpARM64VMUL4S
  1644  		return true
  1645  	case OpMulUint8x16:
  1646  		v.Op = OpARM64VMUL16B
  1647  		return true
  1648  	case OpMulWidenLoInt16x8:
  1649  		v.Op = OpARM64VSMULL8H
  1650  		return true
  1651  	case OpMulWidenLoInt32x4:
  1652  		v.Op = OpARM64VSMULL4S
  1653  		return true
  1654  	case OpMulWidenLoInt8x16:
  1655  		v.Op = OpARM64VSMULL16B
  1656  		return true
  1657  	case OpMulWidenLoUint16x8:
  1658  		v.Op = OpARM64VUMULL8H
  1659  		return true
  1660  	case OpMulWidenLoUint32x4:
  1661  		v.Op = OpARM64VUMULL4S
  1662  		return true
  1663  	case OpMulWidenLoUint8x16:
  1664  		v.Op = OpARM64VUMULL16B
  1665  		return true
  1666  	case OpNeg16:
  1667  		v.Op = OpARM64NEG
  1668  		return true
  1669  	case OpNeg32:
  1670  		v.Op = OpARM64NEG
  1671  		return true
  1672  	case OpNeg32F:
  1673  		v.Op = OpARM64FNEGS
  1674  		return true
  1675  	case OpNeg64:
  1676  		v.Op = OpARM64NEG
  1677  		return true
  1678  	case OpNeg64F:
  1679  		v.Op = OpARM64FNEGD
  1680  		return true
  1681  	case OpNeg8:
  1682  		v.Op = OpARM64NEG
  1683  		return true
  1684  	case OpNegFloat32x4:
  1685  		v.Op = OpARM64VFNEG4S
  1686  		return true
  1687  	case OpNegFloat64x2:
  1688  		v.Op = OpARM64VFNEG2D
  1689  		return true
  1690  	case OpNegInt16x8:
  1691  		v.Op = OpARM64VNEG8H
  1692  		return true
  1693  	case OpNegInt32x4:
  1694  		v.Op = OpARM64VNEG4S
  1695  		return true
  1696  	case OpNegInt64x2:
  1697  		v.Op = OpARM64VNEG2D
  1698  		return true
  1699  	case OpNegInt8x16:
  1700  		v.Op = OpARM64VNEG16B
  1701  		return true
  1702  	case OpNeq16:
  1703  		return rewriteValueARM64_OpNeq16(v)
  1704  	case OpNeq32:
  1705  		return rewriteValueARM64_OpNeq32(v)
  1706  	case OpNeq32F:
  1707  		return rewriteValueARM64_OpNeq32F(v)
  1708  	case OpNeq64:
  1709  		return rewriteValueARM64_OpNeq64(v)
  1710  	case OpNeq64F:
  1711  		return rewriteValueARM64_OpNeq64F(v)
  1712  	case OpNeq8:
  1713  		return rewriteValueARM64_OpNeq8(v)
  1714  	case OpNeqB:
  1715  		v.Op = OpARM64XOR
  1716  		return true
  1717  	case OpNeqPtr:
  1718  		return rewriteValueARM64_OpNeqPtr(v)
  1719  	case OpNilCheck:
  1720  		v.Op = OpARM64LoweredNilCheck
  1721  		return true
  1722  	case OpNot:
  1723  		return rewriteValueARM64_OpNot(v)
  1724  	case OpNotInt16x8:
  1725  		v.Op = OpARM64VNOT16B
  1726  		return true
  1727  	case OpNotInt32x4:
  1728  		v.Op = OpARM64VNOT16B
  1729  		return true
  1730  	case OpNotInt64x2:
  1731  		v.Op = OpARM64VNOT16B
  1732  		return true
  1733  	case OpNotInt8x16:
  1734  		v.Op = OpARM64VNOT16B
  1735  		return true
  1736  	case OpNotUint16x8:
  1737  		v.Op = OpARM64VNOT16B
  1738  		return true
  1739  	case OpNotUint32x4:
  1740  		v.Op = OpARM64VNOT16B
  1741  		return true
  1742  	case OpNotUint64x2:
  1743  		v.Op = OpARM64VNOT16B
  1744  		return true
  1745  	case OpNotUint8x16:
  1746  		v.Op = OpARM64VNOT16B
  1747  		return true
  1748  	case OpOffPtr:
  1749  		return rewriteValueARM64_OpOffPtr(v)
  1750  	case OpOnesCountInt8x16:
  1751  		v.Op = OpARM64VCNT16B
  1752  		return true
  1753  	case OpOnesCountUint8x16:
  1754  		v.Op = OpARM64VCNT16B
  1755  		return true
  1756  	case OpOr16:
  1757  		v.Op = OpARM64OR
  1758  		return true
  1759  	case OpOr32:
  1760  		v.Op = OpARM64OR
  1761  		return true
  1762  	case OpOr64:
  1763  		v.Op = OpARM64OR
  1764  		return true
  1765  	case OpOr8:
  1766  		v.Op = OpARM64OR
  1767  		return true
  1768  	case OpOrB:
  1769  		v.Op = OpARM64OR
  1770  		return true
  1771  	case OpOrInt16x8:
  1772  		v.Op = OpARM64VORR16B
  1773  		return true
  1774  	case OpOrInt32x4:
  1775  		v.Op = OpARM64VORR16B
  1776  		return true
  1777  	case OpOrInt64x2:
  1778  		v.Op = OpARM64VORR16B
  1779  		return true
  1780  	case OpOrInt8x16:
  1781  		v.Op = OpARM64VORR16B
  1782  		return true
  1783  	case OpOrNotInt16x8:
  1784  		v.Op = OpARM64VORN16B
  1785  		return true
  1786  	case OpOrNotInt32x4:
  1787  		v.Op = OpARM64VORN16B
  1788  		return true
  1789  	case OpOrNotInt64x2:
  1790  		v.Op = OpARM64VORN16B
  1791  		return true
  1792  	case OpOrNotInt8x16:
  1793  		v.Op = OpARM64VORN16B
  1794  		return true
  1795  	case OpOrNotUint16x8:
  1796  		v.Op = OpARM64VORN16B
  1797  		return true
  1798  	case OpOrNotUint32x4:
  1799  		v.Op = OpARM64VORN16B
  1800  		return true
  1801  	case OpOrNotUint64x2:
  1802  		v.Op = OpARM64VORN16B
  1803  		return true
  1804  	case OpOrNotUint8x16:
  1805  		v.Op = OpARM64VORN16B
  1806  		return true
  1807  	case OpOrUint16x8:
  1808  		v.Op = OpARM64VORR16B
  1809  		return true
  1810  	case OpOrUint32x4:
  1811  		v.Op = OpARM64VORR16B
  1812  		return true
  1813  	case OpOrUint64x2:
  1814  		v.Op = OpARM64VORR16B
  1815  		return true
  1816  	case OpOrUint8x16:
  1817  		v.Op = OpARM64VORR16B
  1818  		return true
  1819  	case OpPanicBounds:
  1820  		v.Op = OpARM64LoweredPanicBoundsRR
  1821  		return true
  1822  	case OpPopCount16:
  1823  		return rewriteValueARM64_OpPopCount16(v)
  1824  	case OpPopCount32:
  1825  		return rewriteValueARM64_OpPopCount32(v)
  1826  	case OpPopCount64:
  1827  		return rewriteValueARM64_OpPopCount64(v)
  1828  	case OpPrefetchCache:
  1829  		return rewriteValueARM64_OpPrefetchCache(v)
  1830  	case OpPrefetchCacheStreamed:
  1831  		return rewriteValueARM64_OpPrefetchCacheStreamed(v)
  1832  	case OpPubBarrier:
  1833  		return rewriteValueARM64_OpPubBarrier(v)
  1834  	case OpRotateLeft16:
  1835  		return rewriteValueARM64_OpRotateLeft16(v)
  1836  	case OpRotateLeft32:
  1837  		return rewriteValueARM64_OpRotateLeft32(v)
  1838  	case OpRotateLeft64:
  1839  		return rewriteValueARM64_OpRotateLeft64(v)
  1840  	case OpRotateLeft8:
  1841  		return rewriteValueARM64_OpRotateLeft8(v)
  1842  	case OpRound:
  1843  		v.Op = OpARM64FRINTAD
  1844  		return true
  1845  	case OpRound32F:
  1846  		v.Op = OpARM64LoweredRound32F
  1847  		return true
  1848  	case OpRound64F:
  1849  		v.Op = OpARM64LoweredRound64F
  1850  		return true
  1851  	case OpRoundFloat32x4:
  1852  		v.Op = OpARM64VFRINTN4S
  1853  		return true
  1854  	case OpRoundFloat64x2:
  1855  		v.Op = OpARM64VFRINTN2D
  1856  		return true
  1857  	case OpRoundToEven:
  1858  		v.Op = OpARM64FRINTND
  1859  		return true
  1860  	case OpRsh16Ux16:
  1861  		return rewriteValueARM64_OpRsh16Ux16(v)
  1862  	case OpRsh16Ux32:
  1863  		return rewriteValueARM64_OpRsh16Ux32(v)
  1864  	case OpRsh16Ux64:
  1865  		return rewriteValueARM64_OpRsh16Ux64(v)
  1866  	case OpRsh16Ux8:
  1867  		return rewriteValueARM64_OpRsh16Ux8(v)
  1868  	case OpRsh16x16:
  1869  		return rewriteValueARM64_OpRsh16x16(v)
  1870  	case OpRsh16x32:
  1871  		return rewriteValueARM64_OpRsh16x32(v)
  1872  	case OpRsh16x64:
  1873  		return rewriteValueARM64_OpRsh16x64(v)
  1874  	case OpRsh16x8:
  1875  		return rewriteValueARM64_OpRsh16x8(v)
  1876  	case OpRsh32Ux16:
  1877  		return rewriteValueARM64_OpRsh32Ux16(v)
  1878  	case OpRsh32Ux32:
  1879  		return rewriteValueARM64_OpRsh32Ux32(v)
  1880  	case OpRsh32Ux64:
  1881  		return rewriteValueARM64_OpRsh32Ux64(v)
  1882  	case OpRsh32Ux8:
  1883  		return rewriteValueARM64_OpRsh32Ux8(v)
  1884  	case OpRsh32x16:
  1885  		return rewriteValueARM64_OpRsh32x16(v)
  1886  	case OpRsh32x32:
  1887  		return rewriteValueARM64_OpRsh32x32(v)
  1888  	case OpRsh32x64:
  1889  		return rewriteValueARM64_OpRsh32x64(v)
  1890  	case OpRsh32x8:
  1891  		return rewriteValueARM64_OpRsh32x8(v)
  1892  	case OpRsh64Ux16:
  1893  		return rewriteValueARM64_OpRsh64Ux16(v)
  1894  	case OpRsh64Ux32:
  1895  		return rewriteValueARM64_OpRsh64Ux32(v)
  1896  	case OpRsh64Ux64:
  1897  		return rewriteValueARM64_OpRsh64Ux64(v)
  1898  	case OpRsh64Ux8:
  1899  		return rewriteValueARM64_OpRsh64Ux8(v)
  1900  	case OpRsh64x16:
  1901  		return rewriteValueARM64_OpRsh64x16(v)
  1902  	case OpRsh64x32:
  1903  		return rewriteValueARM64_OpRsh64x32(v)
  1904  	case OpRsh64x64:
  1905  		return rewriteValueARM64_OpRsh64x64(v)
  1906  	case OpRsh64x8:
  1907  		return rewriteValueARM64_OpRsh64x8(v)
  1908  	case OpRsh8Ux16:
  1909  		return rewriteValueARM64_OpRsh8Ux16(v)
  1910  	case OpRsh8Ux32:
  1911  		return rewriteValueARM64_OpRsh8Ux32(v)
  1912  	case OpRsh8Ux64:
  1913  		return rewriteValueARM64_OpRsh8Ux64(v)
  1914  	case OpRsh8Ux8:
  1915  		return rewriteValueARM64_OpRsh8Ux8(v)
  1916  	case OpRsh8x16:
  1917  		return rewriteValueARM64_OpRsh8x16(v)
  1918  	case OpRsh8x32:
  1919  		return rewriteValueARM64_OpRsh8x32(v)
  1920  	case OpRsh8x64:
  1921  		return rewriteValueARM64_OpRsh8x64(v)
  1922  	case OpRsh8x8:
  1923  		return rewriteValueARM64_OpRsh8x8(v)
  1924  	case OpSaturateToInt16Int32x4:
  1925  		v.Op = OpARM64VSQXTN4S
  1926  		return true
  1927  	case OpSaturateToInt32Int64x2:
  1928  		v.Op = OpARM64VSQXTN2D
  1929  		return true
  1930  	case OpSaturateToInt8Int16x8:
  1931  		v.Op = OpARM64VSQXTN8H
  1932  		return true
  1933  	case OpSaturateToUint16Int32x4:
  1934  		v.Op = OpARM64VSQXTUN4S
  1935  		return true
  1936  	case OpSaturateToUint16Uint32x4:
  1937  		v.Op = OpARM64VUQXTN4S
  1938  		return true
  1939  	case OpSaturateToUint32Int64x2:
  1940  		v.Op = OpARM64VSQXTUN2D
  1941  		return true
  1942  	case OpSaturateToUint32Uint64x2:
  1943  		v.Op = OpARM64VUQXTN2D
  1944  		return true
  1945  	case OpSaturateToUint8Int16x8:
  1946  		v.Op = OpARM64VSQXTUN8H
  1947  		return true
  1948  	case OpSaturateToUint8Uint16x8:
  1949  		v.Op = OpARM64VUQXTN8H
  1950  		return true
  1951  	case OpSelect0:
  1952  		return rewriteValueARM64_OpSelect0(v)
  1953  	case OpSelect1:
  1954  		return rewriteValueARM64_OpSelect1(v)
  1955  	case OpSelectN:
  1956  		return rewriteValueARM64_OpSelectN(v)
  1957  	case OpSetElemFloat32x4:
  1958  		v.Op = OpARM64VMOVSins0
  1959  		return true
  1960  	case OpSetElemFloat64x2:
  1961  		v.Op = OpARM64VMOVDins0
  1962  		return true
  1963  	case OpSetElemInt16x8:
  1964  		v.Op = OpARM64VMOVHins
  1965  		return true
  1966  	case OpSetElemInt32x4:
  1967  		v.Op = OpARM64VMOVSins
  1968  		return true
  1969  	case OpSetElemInt64x2:
  1970  		v.Op = OpARM64VMOVDins
  1971  		return true
  1972  	case OpSetElemInt8x16:
  1973  		v.Op = OpARM64VMOVBins
  1974  		return true
  1975  	case OpSetElemUint16x8:
  1976  		v.Op = OpARM64VMOVHins
  1977  		return true
  1978  	case OpSetElemUint32x4:
  1979  		v.Op = OpARM64VMOVSins
  1980  		return true
  1981  	case OpSetElemUint64x2:
  1982  		v.Op = OpARM64VMOVDins
  1983  		return true
  1984  	case OpSetElemUint8x16:
  1985  		v.Op = OpARM64VMOVBins
  1986  		return true
  1987  	case OpShiftAllLeftInt16x8:
  1988  		return rewriteValueARM64_OpShiftAllLeftInt16x8(v)
  1989  	case OpShiftAllLeftInt32x4:
  1990  		return rewriteValueARM64_OpShiftAllLeftInt32x4(v)
  1991  	case OpShiftAllLeftInt64x2:
  1992  		return rewriteValueARM64_OpShiftAllLeftInt64x2(v)
  1993  	case OpShiftAllLeftInt8x16:
  1994  		return rewriteValueARM64_OpShiftAllLeftInt8x16(v)
  1995  	case OpShiftAllLeftUint16x8:
  1996  		return rewriteValueARM64_OpShiftAllLeftUint16x8(v)
  1997  	case OpShiftAllLeftUint32x4:
  1998  		return rewriteValueARM64_OpShiftAllLeftUint32x4(v)
  1999  	case OpShiftAllLeftUint64x2:
  2000  		return rewriteValueARM64_OpShiftAllLeftUint64x2(v)
  2001  	case OpShiftAllLeftUint8x16:
  2002  		return rewriteValueARM64_OpShiftAllLeftUint8x16(v)
  2003  	case OpShiftAllRightInt16x8:
  2004  		return rewriteValueARM64_OpShiftAllRightInt16x8(v)
  2005  	case OpShiftAllRightInt32x4:
  2006  		return rewriteValueARM64_OpShiftAllRightInt32x4(v)
  2007  	case OpShiftAllRightInt64x2:
  2008  		return rewriteValueARM64_OpShiftAllRightInt64x2(v)
  2009  	case OpShiftAllRightInt8x16:
  2010  		return rewriteValueARM64_OpShiftAllRightInt8x16(v)
  2011  	case OpShiftAllRightUint16x8:
  2012  		return rewriteValueARM64_OpShiftAllRightUint16x8(v)
  2013  	case OpShiftAllRightUint32x4:
  2014  		return rewriteValueARM64_OpShiftAllRightUint32x4(v)
  2015  	case OpShiftAllRightUint64x2:
  2016  		return rewriteValueARM64_OpShiftAllRightUint64x2(v)
  2017  	case OpShiftAllRightUint8x16:
  2018  		return rewriteValueARM64_OpShiftAllRightUint8x16(v)
  2019  	case OpShiftInt16x8:
  2020  		v.Op = OpARM64VSSHL8H
  2021  		return true
  2022  	case OpShiftInt32x4:
  2023  		v.Op = OpARM64VSSHL4S
  2024  		return true
  2025  	case OpShiftInt64x2:
  2026  		v.Op = OpARM64VSSHL2D
  2027  		return true
  2028  	case OpShiftInt8x16:
  2029  		v.Op = OpARM64VSSHL16B
  2030  		return true
  2031  	case OpShiftSaturatedInt16x8:
  2032  		v.Op = OpARM64VSQSHL8H
  2033  		return true
  2034  	case OpShiftSaturatedInt32x4:
  2035  		v.Op = OpARM64VSQSHL4S
  2036  		return true
  2037  	case OpShiftSaturatedInt64x2:
  2038  		v.Op = OpARM64VSQSHL2D
  2039  		return true
  2040  	case OpShiftSaturatedInt8x16:
  2041  		v.Op = OpARM64VSQSHL16B
  2042  		return true
  2043  	case OpShiftSaturatedUint16x8:
  2044  		v.Op = OpARM64VUQSHL8H
  2045  		return true
  2046  	case OpShiftSaturatedUint32x4:
  2047  		v.Op = OpARM64VUQSHL4S
  2048  		return true
  2049  	case OpShiftSaturatedUint64x2:
  2050  		v.Op = OpARM64VUQSHL2D
  2051  		return true
  2052  	case OpShiftSaturatedUint8x16:
  2053  		v.Op = OpARM64VUQSHL16B
  2054  		return true
  2055  	case OpShiftUint16x8:
  2056  		v.Op = OpARM64VUSHL8H
  2057  		return true
  2058  	case OpShiftUint32x4:
  2059  		v.Op = OpARM64VUSHL4S
  2060  		return true
  2061  	case OpShiftUint64x2:
  2062  		v.Op = OpARM64VUSHL2D
  2063  		return true
  2064  	case OpShiftUint8x16:
  2065  		v.Op = OpARM64VUSHL16B
  2066  		return true
  2067  	case OpSignExt16to32:
  2068  		v.Op = OpARM64MOVHreg
  2069  		return true
  2070  	case OpSignExt16to64:
  2071  		v.Op = OpARM64MOVHreg
  2072  		return true
  2073  	case OpSignExt32to64:
  2074  		v.Op = OpARM64MOVWreg
  2075  		return true
  2076  	case OpSignExt8to16:
  2077  		v.Op = OpARM64MOVBreg
  2078  		return true
  2079  	case OpSignExt8to32:
  2080  		v.Op = OpARM64MOVBreg
  2081  		return true
  2082  	case OpSignExt8to64:
  2083  		v.Op = OpARM64MOVBreg
  2084  		return true
  2085  	case OpSlicemask:
  2086  		return rewriteValueARM64_OpSlicemask(v)
  2087  	case OpSqrt:
  2088  		v.Op = OpARM64FSQRTD
  2089  		return true
  2090  	case OpSqrt32:
  2091  		v.Op = OpARM64FSQRTS
  2092  		return true
  2093  	case OpSqrtFloat32x4:
  2094  		v.Op = OpARM64VFSQRT4S
  2095  		return true
  2096  	case OpSqrtFloat64x2:
  2097  		v.Op = OpARM64VFSQRT2D
  2098  		return true
  2099  	case OpStaticCall:
  2100  		v.Op = OpARM64CALLstatic
  2101  		return true
  2102  	case OpStore:
  2103  		return rewriteValueARM64_OpStore(v)
  2104  	case OpSub16:
  2105  		v.Op = OpARM64SUB
  2106  		return true
  2107  	case OpSub32:
  2108  		v.Op = OpARM64SUB
  2109  		return true
  2110  	case OpSub32F:
  2111  		v.Op = OpARM64FSUBS
  2112  		return true
  2113  	case OpSub64:
  2114  		v.Op = OpARM64SUB
  2115  		return true
  2116  	case OpSub64F:
  2117  		v.Op = OpARM64FSUBD
  2118  		return true
  2119  	case OpSub8:
  2120  		v.Op = OpARM64SUB
  2121  		return true
  2122  	case OpSubFloat32x4:
  2123  		v.Op = OpARM64VFSUB4S
  2124  		return true
  2125  	case OpSubFloat64x2:
  2126  		v.Op = OpARM64VFSUB2D
  2127  		return true
  2128  	case OpSubInt16x8:
  2129  		v.Op = OpARM64VSUB8H
  2130  		return true
  2131  	case OpSubInt32x4:
  2132  		v.Op = OpARM64VSUB4S
  2133  		return true
  2134  	case OpSubInt64x2:
  2135  		v.Op = OpARM64VSUB2D
  2136  		return true
  2137  	case OpSubInt8x16:
  2138  		v.Op = OpARM64VSUB16B
  2139  		return true
  2140  	case OpSubPtr:
  2141  		v.Op = OpARM64SUB
  2142  		return true
  2143  	case OpSubSaturatedInt16x8:
  2144  		v.Op = OpARM64VSQSUB8H
  2145  		return true
  2146  	case OpSubSaturatedInt32x4:
  2147  		v.Op = OpARM64VSQSUB4S
  2148  		return true
  2149  	case OpSubSaturatedInt64x2:
  2150  		v.Op = OpARM64VSQSUB2D
  2151  		return true
  2152  	case OpSubSaturatedInt8x16:
  2153  		v.Op = OpARM64VSQSUB16B
  2154  		return true
  2155  	case OpSubSaturatedUint16x8:
  2156  		v.Op = OpARM64VUQSUB8H
  2157  		return true
  2158  	case OpSubSaturatedUint32x4:
  2159  		v.Op = OpARM64VUQSUB4S
  2160  		return true
  2161  	case OpSubSaturatedUint64x2:
  2162  		v.Op = OpARM64VUQSUB2D
  2163  		return true
  2164  	case OpSubSaturatedUint8x16:
  2165  		v.Op = OpARM64VUQSUB16B
  2166  		return true
  2167  	case OpSubUint16x8:
  2168  		v.Op = OpARM64VSUB8H
  2169  		return true
  2170  	case OpSubUint32x4:
  2171  		v.Op = OpARM64VSUB4S
  2172  		return true
  2173  	case OpSubUint64x2:
  2174  		v.Op = OpARM64VSUB2D
  2175  		return true
  2176  	case OpSubUint8x16:
  2177  		v.Op = OpARM64VSUB16B
  2178  		return true
  2179  	case OpTailCall:
  2180  		v.Op = OpARM64CALLtail
  2181  		return true
  2182  	case OpTailCallInter:
  2183  		v.Op = OpARM64CALLtailinter
  2184  		return true
  2185  	case OpTrunc:
  2186  		v.Op = OpARM64FRINTZD
  2187  		return true
  2188  	case OpTrunc16to8:
  2189  		v.Op = OpCopy
  2190  		return true
  2191  	case OpTrunc32to16:
  2192  		v.Op = OpCopy
  2193  		return true
  2194  	case OpTrunc32to8:
  2195  		v.Op = OpCopy
  2196  		return true
  2197  	case OpTrunc64to16:
  2198  		v.Op = OpCopy
  2199  		return true
  2200  	case OpTrunc64to32:
  2201  		v.Op = OpCopy
  2202  		return true
  2203  	case OpTrunc64to8:
  2204  		v.Op = OpCopy
  2205  		return true
  2206  	case OpTruncFloat32x4:
  2207  		v.Op = OpARM64VFRINTZ4S
  2208  		return true
  2209  	case OpTruncFloat64x2:
  2210  		v.Op = OpARM64VFRINTZ2D
  2211  		return true
  2212  	case OpTruncToInt16Int32x4:
  2213  		v.Op = OpARM64VXTN4S
  2214  		return true
  2215  	case OpTruncToInt32Int64x2:
  2216  		v.Op = OpARM64VXTN2D
  2217  		return true
  2218  	case OpTruncToInt8Int16x8:
  2219  		v.Op = OpARM64VXTN8H
  2220  		return true
  2221  	case OpTruncToUint16Uint32x4:
  2222  		v.Op = OpARM64VXTN4S
  2223  		return true
  2224  	case OpTruncToUint32Uint64x2:
  2225  		v.Op = OpARM64VXTN2D
  2226  		return true
  2227  	case OpTruncToUint8Uint16x8:
  2228  		v.Op = OpARM64VXTN8H
  2229  		return true
  2230  	case OpWB:
  2231  		v.Op = OpARM64LoweredWB
  2232  		return true
  2233  	case OpXor16:
  2234  		v.Op = OpARM64XOR
  2235  		return true
  2236  	case OpXor32:
  2237  		v.Op = OpARM64XOR
  2238  		return true
  2239  	case OpXor64:
  2240  		v.Op = OpARM64XOR
  2241  		return true
  2242  	case OpXor8:
  2243  		v.Op = OpARM64XOR
  2244  		return true
  2245  	case OpXorInt16x8:
  2246  		v.Op = OpARM64VEOR16B
  2247  		return true
  2248  	case OpXorInt32x4:
  2249  		v.Op = OpARM64VEOR16B
  2250  		return true
  2251  	case OpXorInt64x2:
  2252  		v.Op = OpARM64VEOR16B
  2253  		return true
  2254  	case OpXorInt8x16:
  2255  		v.Op = OpARM64VEOR16B
  2256  		return true
  2257  	case OpXorUint16x8:
  2258  		v.Op = OpARM64VEOR16B
  2259  		return true
  2260  	case OpXorUint32x4:
  2261  		v.Op = OpARM64VEOR16B
  2262  		return true
  2263  	case OpXorUint64x2:
  2264  		v.Op = OpARM64VEOR16B
  2265  		return true
  2266  	case OpXorUint8x16:
  2267  		v.Op = OpARM64VEOR16B
  2268  		return true
  2269  	case OpZero:
  2270  		return rewriteValueARM64_OpZero(v)
  2271  	case OpZeroExt16to32:
  2272  		v.Op = OpARM64MOVHUreg
  2273  		return true
  2274  	case OpZeroExt16to64:
  2275  		v.Op = OpARM64MOVHUreg
  2276  		return true
  2277  	case OpZeroExt32to64:
  2278  		v.Op = OpARM64MOVWUreg
  2279  		return true
  2280  	case OpZeroExt8to16:
  2281  		v.Op = OpARM64MOVBUreg
  2282  		return true
  2283  	case OpZeroExt8to32:
  2284  		v.Op = OpARM64MOVBUreg
  2285  		return true
  2286  	case OpZeroExt8to64:
  2287  		v.Op = OpARM64MOVBUreg
  2288  		return true
  2289  	case OpZeroSIMD:
  2290  		return rewriteValueARM64_OpZeroSIMD(v)
  2291  	case OpbitSelectInt8x16:
  2292  		v.Op = OpARM64VBIF16B
  2293  		return true
  2294  	case OpbitSelectNotInt8x16:
  2295  		v.Op = OpARM64VBIT16B
  2296  		return true
  2297  	case Opbroadcast1To16Int8x16:
  2298  		return rewriteValueARM64_Opbroadcast1To16Int8x16(v)
  2299  	case Opbroadcast1To16Uint8x16:
  2300  		return rewriteValueARM64_Opbroadcast1To16Uint8x16(v)
  2301  	case Opbroadcast1To2Float64x2:
  2302  		return rewriteValueARM64_Opbroadcast1To2Float64x2(v)
  2303  	case Opbroadcast1To2Int64x2:
  2304  		return rewriteValueARM64_Opbroadcast1To2Int64x2(v)
  2305  	case Opbroadcast1To2Uint64x2:
  2306  		return rewriteValueARM64_Opbroadcast1To2Uint64x2(v)
  2307  	case Opbroadcast1To4Float32x4:
  2308  		return rewriteValueARM64_Opbroadcast1To4Float32x4(v)
  2309  	case Opbroadcast1To4Int32x4:
  2310  		return rewriteValueARM64_Opbroadcast1To4Int32x4(v)
  2311  	case Opbroadcast1To4Uint32x4:
  2312  		return rewriteValueARM64_Opbroadcast1To4Uint32x4(v)
  2313  	case Opbroadcast1To8Int16x8:
  2314  		return rewriteValueARM64_Opbroadcast1To8Int16x8(v)
  2315  	case Opbroadcast1To8Uint16x8:
  2316  		return rewriteValueARM64_Opbroadcast1To8Uint16x8(v)
  2317  	case OpcarrylessMultiplyWidenLoUint64x2:
  2318  		v.Op = OpARM64VPMULL2D
  2319  		return true
  2320  	case OpreduceMaxFloat32x4:
  2321  		v.Op = OpARM64VFMAXV4S
  2322  		return true
  2323  	case OpreduceMaxInt16x8:
  2324  		v.Op = OpARM64VSMAXV8H
  2325  		return true
  2326  	case OpreduceMaxInt32x4:
  2327  		v.Op = OpARM64VSMAXV4S
  2328  		return true
  2329  	case OpreduceMaxInt8x16:
  2330  		v.Op = OpARM64VSMAXV16B
  2331  		return true
  2332  	case OpreduceMaxUint16x8:
  2333  		v.Op = OpARM64VUMAXV8H
  2334  		return true
  2335  	case OpreduceMaxUint32x4:
  2336  		v.Op = OpARM64VUMAXV4S
  2337  		return true
  2338  	case OpreduceMaxUint8x16:
  2339  		v.Op = OpARM64VUMAXV16B
  2340  		return true
  2341  	case OpreduceMinFloat32x4:
  2342  		v.Op = OpARM64VFMINV4S
  2343  		return true
  2344  	case OpreduceMinInt16x8:
  2345  		v.Op = OpARM64VSMINV8H
  2346  		return true
  2347  	case OpreduceMinInt32x4:
  2348  		v.Op = OpARM64VSMINV4S
  2349  		return true
  2350  	case OpreduceMinInt8x16:
  2351  		v.Op = OpARM64VSMINV16B
  2352  		return true
  2353  	case OpreduceMinUint16x8:
  2354  		v.Op = OpARM64VUMINV8H
  2355  		return true
  2356  	case OpreduceMinUint32x4:
  2357  		v.Op = OpARM64VUMINV4S
  2358  		return true
  2359  	case OpreduceMinUint8x16:
  2360  		v.Op = OpARM64VUMINV16B
  2361  		return true
  2362  	case OpreduceSumInt16x8:
  2363  		v.Op = OpARM64VADDV8H
  2364  		return true
  2365  	case OpreduceSumInt32x4:
  2366  		v.Op = OpARM64VADDV4S
  2367  		return true
  2368  	case OpreduceSumInt8x16:
  2369  		v.Op = OpARM64VADDV16B
  2370  		return true
  2371  	case OpreduceSumUint16x8:
  2372  		v.Op = OpARM64VADDV8H
  2373  		return true
  2374  	case OpreduceSumUint32x4:
  2375  		v.Op = OpARM64VADDV4S
  2376  		return true
  2377  	case OpreduceSumUint8x16:
  2378  		v.Op = OpARM64VADDV16B
  2379  		return true
  2380  	}
  2381  	return false
  2382  }
  2383  func rewriteValueARM64_OpARM64ADCSflags(v *Value) bool {
  2384  	v_2 := v.Args[2]
  2385  	v_1 := v.Args[1]
  2386  	v_0 := v.Args[0]
  2387  	b := v.Block
  2388  	typ := &b.Func.Config.Types
  2389  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (ADCzerocarry <typ.UInt64> c))))
  2390  	// result: (ADCSflags x y c)
  2391  	for {
  2392  		x := v_0
  2393  		y := v_1
  2394  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  2395  			break
  2396  		}
  2397  		v_2_0 := v_2.Args[0]
  2398  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  2399  			break
  2400  		}
  2401  		v_2_0_0 := v_2_0.Args[0]
  2402  		if v_2_0_0.Op != OpARM64ADCzerocarry || v_2_0_0.Type != typ.UInt64 {
  2403  			break
  2404  		}
  2405  		c := v_2_0_0.Args[0]
  2406  		v.reset(OpARM64ADCSflags)
  2407  		v.AddArg3(x, y, c)
  2408  		return true
  2409  	}
  2410  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (MOVDconst [0]))))
  2411  	// result: (ADDSflags x y)
  2412  	for {
  2413  		x := v_0
  2414  		y := v_1
  2415  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  2416  			break
  2417  		}
  2418  		v_2_0 := v_2.Args[0]
  2419  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  2420  			break
  2421  		}
  2422  		v_2_0_0 := v_2_0.Args[0]
  2423  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
  2424  			break
  2425  		}
  2426  		v.reset(OpARM64ADDSflags)
  2427  		v.AddArg2(x, y)
  2428  		return true
  2429  	}
  2430  	return false
  2431  }
  2432  func rewriteValueARM64_OpARM64ADD(v *Value) bool {
  2433  	v_1 := v.Args[1]
  2434  	v_0 := v.Args[0]
  2435  	b := v.Block
  2436  	// match: (ADD x (MOVDconst <t> [c]))
  2437  	// cond: !t.IsPtr()
  2438  	// result: (ADDconst [c] x)
  2439  	for {
  2440  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2441  			x := v_0
  2442  			if v_1.Op != OpARM64MOVDconst {
  2443  				continue
  2444  			}
  2445  			t := v_1.Type
  2446  			c := auxIntToInt64(v_1.AuxInt)
  2447  			if !(!t.IsPtr()) {
  2448  				continue
  2449  			}
  2450  			v.reset(OpARM64ADDconst)
  2451  			v.AuxInt = int64ToAuxInt(c)
  2452  			v.AddArg(x)
  2453  			return true
  2454  		}
  2455  		break
  2456  	}
  2457  	// match: (ADD a l:(MUL x y))
  2458  	// cond: l.Uses==1 && clobber(l)
  2459  	// result: (MADD a x y)
  2460  	for {
  2461  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2462  			a := v_0
  2463  			l := v_1
  2464  			if l.Op != OpARM64MUL {
  2465  				continue
  2466  			}
  2467  			y := l.Args[1]
  2468  			x := l.Args[0]
  2469  			if !(l.Uses == 1 && clobber(l)) {
  2470  				continue
  2471  			}
  2472  			v.reset(OpARM64MADD)
  2473  			v.AddArg3(a, x, y)
  2474  			return true
  2475  		}
  2476  		break
  2477  	}
  2478  	// match: (ADD a l:(MNEG x y))
  2479  	// cond: l.Uses==1 && clobber(l)
  2480  	// result: (MSUB a x y)
  2481  	for {
  2482  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2483  			a := v_0
  2484  			l := v_1
  2485  			if l.Op != OpARM64MNEG {
  2486  				continue
  2487  			}
  2488  			y := l.Args[1]
  2489  			x := l.Args[0]
  2490  			if !(l.Uses == 1 && clobber(l)) {
  2491  				continue
  2492  			}
  2493  			v.reset(OpARM64MSUB)
  2494  			v.AddArg3(a, x, y)
  2495  			return true
  2496  		}
  2497  		break
  2498  	}
  2499  	// match: (ADD a l:(MULW x y))
  2500  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  2501  	// result: (MADDW a x y)
  2502  	for {
  2503  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2504  			a := v_0
  2505  			l := v_1
  2506  			if l.Op != OpARM64MULW {
  2507  				continue
  2508  			}
  2509  			y := l.Args[1]
  2510  			x := l.Args[0]
  2511  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  2512  				continue
  2513  			}
  2514  			v.reset(OpARM64MADDW)
  2515  			v.AddArg3(a, x, y)
  2516  			return true
  2517  		}
  2518  		break
  2519  	}
  2520  	// match: (ADD a l:(MNEGW x y))
  2521  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  2522  	// result: (MSUBW a x y)
  2523  	for {
  2524  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2525  			a := v_0
  2526  			l := v_1
  2527  			if l.Op != OpARM64MNEGW {
  2528  				continue
  2529  			}
  2530  			y := l.Args[1]
  2531  			x := l.Args[0]
  2532  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  2533  				continue
  2534  			}
  2535  			v.reset(OpARM64MSUBW)
  2536  			v.AddArg3(a, x, y)
  2537  			return true
  2538  		}
  2539  		break
  2540  	}
  2541  	// match: (ADD <t> a p:(ADDconst [c] m:(MUL _ _)))
  2542  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2543  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2544  	for {
  2545  		t := v.Type
  2546  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2547  			a := v_0
  2548  			p := v_1
  2549  			if p.Op != OpARM64ADDconst {
  2550  				continue
  2551  			}
  2552  			c := auxIntToInt64(p.AuxInt)
  2553  			m := p.Args[0]
  2554  			if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2555  				continue
  2556  			}
  2557  			v.reset(OpARM64ADDconst)
  2558  			v.AuxInt = int64ToAuxInt(c)
  2559  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2560  			v0.AddArg2(a, m)
  2561  			v.AddArg(v0)
  2562  			return true
  2563  		}
  2564  		break
  2565  	}
  2566  	// match: (ADD <t> a p:(ADDconst [c] m:(MULW _ _)))
  2567  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2568  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2569  	for {
  2570  		t := v.Type
  2571  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2572  			a := v_0
  2573  			p := v_1
  2574  			if p.Op != OpARM64ADDconst {
  2575  				continue
  2576  			}
  2577  			c := auxIntToInt64(p.AuxInt)
  2578  			m := p.Args[0]
  2579  			if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2580  				continue
  2581  			}
  2582  			v.reset(OpARM64ADDconst)
  2583  			v.AuxInt = int64ToAuxInt(c)
  2584  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2585  			v0.AddArg2(a, m)
  2586  			v.AddArg(v0)
  2587  			return true
  2588  		}
  2589  		break
  2590  	}
  2591  	// match: (ADD <t> a p:(ADDconst [c] m:(MNEG _ _)))
  2592  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2593  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2594  	for {
  2595  		t := v.Type
  2596  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2597  			a := v_0
  2598  			p := v_1
  2599  			if p.Op != OpARM64ADDconst {
  2600  				continue
  2601  			}
  2602  			c := auxIntToInt64(p.AuxInt)
  2603  			m := p.Args[0]
  2604  			if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2605  				continue
  2606  			}
  2607  			v.reset(OpARM64ADDconst)
  2608  			v.AuxInt = int64ToAuxInt(c)
  2609  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2610  			v0.AddArg2(a, m)
  2611  			v.AddArg(v0)
  2612  			return true
  2613  		}
  2614  		break
  2615  	}
  2616  	// match: (ADD <t> a p:(ADDconst [c] m:(MNEGW _ _)))
  2617  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2618  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2619  	for {
  2620  		t := v.Type
  2621  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2622  			a := v_0
  2623  			p := v_1
  2624  			if p.Op != OpARM64ADDconst {
  2625  				continue
  2626  			}
  2627  			c := auxIntToInt64(p.AuxInt)
  2628  			m := p.Args[0]
  2629  			if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2630  				continue
  2631  			}
  2632  			v.reset(OpARM64ADDconst)
  2633  			v.AuxInt = int64ToAuxInt(c)
  2634  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2635  			v0.AddArg2(a, m)
  2636  			v.AddArg(v0)
  2637  			return true
  2638  		}
  2639  		break
  2640  	}
  2641  	// match: (ADD <t> a p:(SUBconst [c] m:(MUL _ _)))
  2642  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2643  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2644  	for {
  2645  		t := v.Type
  2646  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2647  			a := v_0
  2648  			p := v_1
  2649  			if p.Op != OpARM64SUBconst {
  2650  				continue
  2651  			}
  2652  			c := auxIntToInt64(p.AuxInt)
  2653  			m := p.Args[0]
  2654  			if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2655  				continue
  2656  			}
  2657  			v.reset(OpARM64SUBconst)
  2658  			v.AuxInt = int64ToAuxInt(c)
  2659  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2660  			v0.AddArg2(a, m)
  2661  			v.AddArg(v0)
  2662  			return true
  2663  		}
  2664  		break
  2665  	}
  2666  	// match: (ADD <t> a p:(SUBconst [c] m:(MULW _ _)))
  2667  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2668  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2669  	for {
  2670  		t := v.Type
  2671  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2672  			a := v_0
  2673  			p := v_1
  2674  			if p.Op != OpARM64SUBconst {
  2675  				continue
  2676  			}
  2677  			c := auxIntToInt64(p.AuxInt)
  2678  			m := p.Args[0]
  2679  			if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2680  				continue
  2681  			}
  2682  			v.reset(OpARM64SUBconst)
  2683  			v.AuxInt = int64ToAuxInt(c)
  2684  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2685  			v0.AddArg2(a, m)
  2686  			v.AddArg(v0)
  2687  			return true
  2688  		}
  2689  		break
  2690  	}
  2691  	// match: (ADD <t> a p:(SUBconst [c] m:(MNEG _ _)))
  2692  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2693  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2694  	for {
  2695  		t := v.Type
  2696  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2697  			a := v_0
  2698  			p := v_1
  2699  			if p.Op != OpARM64SUBconst {
  2700  				continue
  2701  			}
  2702  			c := auxIntToInt64(p.AuxInt)
  2703  			m := p.Args[0]
  2704  			if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2705  				continue
  2706  			}
  2707  			v.reset(OpARM64SUBconst)
  2708  			v.AuxInt = int64ToAuxInt(c)
  2709  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2710  			v0.AddArg2(a, m)
  2711  			v.AddArg(v0)
  2712  			return true
  2713  		}
  2714  		break
  2715  	}
  2716  	// match: (ADD <t> a p:(SUBconst [c] m:(MNEGW _ _)))
  2717  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2718  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2719  	for {
  2720  		t := v.Type
  2721  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2722  			a := v_0
  2723  			p := v_1
  2724  			if p.Op != OpARM64SUBconst {
  2725  				continue
  2726  			}
  2727  			c := auxIntToInt64(p.AuxInt)
  2728  			m := p.Args[0]
  2729  			if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2730  				continue
  2731  			}
  2732  			v.reset(OpARM64SUBconst)
  2733  			v.AuxInt = int64ToAuxInt(c)
  2734  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2735  			v0.AddArg2(a, m)
  2736  			v.AddArg(v0)
  2737  			return true
  2738  		}
  2739  		break
  2740  	}
  2741  	// match: (ADD x (NEG y))
  2742  	// result: (SUB x y)
  2743  	for {
  2744  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2745  			x := v_0
  2746  			if v_1.Op != OpARM64NEG {
  2747  				continue
  2748  			}
  2749  			y := v_1.Args[0]
  2750  			v.reset(OpARM64SUB)
  2751  			v.AddArg2(x, y)
  2752  			return true
  2753  		}
  2754  		break
  2755  	}
  2756  	// match: (ADD x0 x1:(SLLconst [c] y))
  2757  	// cond: clobberIfDead(x1)
  2758  	// result: (ADDshiftLL x0 y [c])
  2759  	for {
  2760  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2761  			x0 := v_0
  2762  			x1 := v_1
  2763  			if x1.Op != OpARM64SLLconst {
  2764  				continue
  2765  			}
  2766  			c := auxIntToInt64(x1.AuxInt)
  2767  			y := x1.Args[0]
  2768  			if !(clobberIfDead(x1)) {
  2769  				continue
  2770  			}
  2771  			v.reset(OpARM64ADDshiftLL)
  2772  			v.AuxInt = int64ToAuxInt(c)
  2773  			v.AddArg2(x0, y)
  2774  			return true
  2775  		}
  2776  		break
  2777  	}
  2778  	// match: (ADD x0 x1:(SRLconst [c] y))
  2779  	// cond: clobberIfDead(x1)
  2780  	// result: (ADDshiftRL x0 y [c])
  2781  	for {
  2782  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2783  			x0 := v_0
  2784  			x1 := v_1
  2785  			if x1.Op != OpARM64SRLconst {
  2786  				continue
  2787  			}
  2788  			c := auxIntToInt64(x1.AuxInt)
  2789  			y := x1.Args[0]
  2790  			if !(clobberIfDead(x1)) {
  2791  				continue
  2792  			}
  2793  			v.reset(OpARM64ADDshiftRL)
  2794  			v.AuxInt = int64ToAuxInt(c)
  2795  			v.AddArg2(x0, y)
  2796  			return true
  2797  		}
  2798  		break
  2799  	}
  2800  	// match: (ADD x0 x1:(SRAconst [c] y))
  2801  	// cond: clobberIfDead(x1)
  2802  	// result: (ADDshiftRA x0 y [c])
  2803  	for {
  2804  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2805  			x0 := v_0
  2806  			x1 := v_1
  2807  			if x1.Op != OpARM64SRAconst {
  2808  				continue
  2809  			}
  2810  			c := auxIntToInt64(x1.AuxInt)
  2811  			y := x1.Args[0]
  2812  			if !(clobberIfDead(x1)) {
  2813  				continue
  2814  			}
  2815  			v.reset(OpARM64ADDshiftRA)
  2816  			v.AuxInt = int64ToAuxInt(c)
  2817  			v.AddArg2(x0, y)
  2818  			return true
  2819  		}
  2820  		break
  2821  	}
  2822  	// match: (ADD x0 x1:(ANDshiftRA x2:(SLLconst [sl] y) z [63]))
  2823  	// cond: x1.Uses == 1 && x2.Uses == 1
  2824  	// result: (ADDshiftLL x0 (ANDshiftRA <y.Type> y z [63]) [sl])
  2825  	for {
  2826  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2827  			x0 := v_0
  2828  			x1 := v_1
  2829  			if x1.Op != OpARM64ANDshiftRA || auxIntToInt64(x1.AuxInt) != 63 {
  2830  				continue
  2831  			}
  2832  			z := x1.Args[1]
  2833  			x2 := x1.Args[0]
  2834  			if x2.Op != OpARM64SLLconst {
  2835  				continue
  2836  			}
  2837  			sl := auxIntToInt64(x2.AuxInt)
  2838  			y := x2.Args[0]
  2839  			if !(x1.Uses == 1 && x2.Uses == 1) {
  2840  				continue
  2841  			}
  2842  			v.reset(OpARM64ADDshiftLL)
  2843  			v.AuxInt = int64ToAuxInt(sl)
  2844  			v0 := b.NewValue0(v.Pos, OpARM64ANDshiftRA, y.Type)
  2845  			v0.AuxInt = int64ToAuxInt(63)
  2846  			v0.AddArg2(y, z)
  2847  			v.AddArg2(x0, v0)
  2848  			return true
  2849  		}
  2850  		break
  2851  	}
  2852  	// match: (ADD x0 x1:(ANDshiftLL x2:(SRAconst [63] z) y [sl]))
  2853  	// cond: x1.Uses == 1 && x2.Uses == 1
  2854  	// result: (ADDshiftLL x0 (ANDshiftRA <y.Type> y z [63]) [sl])
  2855  	for {
  2856  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2857  			x0 := v_0
  2858  			x1 := v_1
  2859  			if x1.Op != OpARM64ANDshiftLL {
  2860  				continue
  2861  			}
  2862  			sl := auxIntToInt64(x1.AuxInt)
  2863  			y := x1.Args[1]
  2864  			x2 := x1.Args[0]
  2865  			if x2.Op != OpARM64SRAconst || auxIntToInt64(x2.AuxInt) != 63 {
  2866  				continue
  2867  			}
  2868  			z := x2.Args[0]
  2869  			if !(x1.Uses == 1 && x2.Uses == 1) {
  2870  				continue
  2871  			}
  2872  			v.reset(OpARM64ADDshiftLL)
  2873  			v.AuxInt = int64ToAuxInt(sl)
  2874  			v0 := b.NewValue0(v.Pos, OpARM64ANDshiftRA, y.Type)
  2875  			v0.AuxInt = int64ToAuxInt(63)
  2876  			v0.AddArg2(y, z)
  2877  			v.AddArg2(x0, v0)
  2878  			return true
  2879  		}
  2880  		break
  2881  	}
  2882  	return false
  2883  }
  2884  func rewriteValueARM64_OpARM64ADDSflags(v *Value) bool {
  2885  	v_1 := v.Args[1]
  2886  	v_0 := v.Args[0]
  2887  	// match: (ADDSflags x (MOVDconst [c]))
  2888  	// result: (ADDSconstflags [c] x)
  2889  	for {
  2890  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2891  			x := v_0
  2892  			if v_1.Op != OpARM64MOVDconst {
  2893  				continue
  2894  			}
  2895  			c := auxIntToInt64(v_1.AuxInt)
  2896  			v.reset(OpARM64ADDSconstflags)
  2897  			v.AuxInt = int64ToAuxInt(c)
  2898  			v.AddArg(x)
  2899  			return true
  2900  		}
  2901  		break
  2902  	}
  2903  	return false
  2904  }
  2905  func rewriteValueARM64_OpARM64ADDconst(v *Value) bool {
  2906  	v_0 := v.Args[0]
  2907  	// match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr))
  2908  	// cond: is32Bit(off1+int64(off2))
  2909  	// result: (MOVDaddr [int32(off1)+off2] {sym} ptr)
  2910  	for {
  2911  		off1 := auxIntToInt64(v.AuxInt)
  2912  		if v_0.Op != OpARM64MOVDaddr {
  2913  			break
  2914  		}
  2915  		off2 := auxIntToInt32(v_0.AuxInt)
  2916  		sym := auxToSym(v_0.Aux)
  2917  		ptr := v_0.Args[0]
  2918  		if !(is32Bit(off1 + int64(off2))) {
  2919  			break
  2920  		}
  2921  		v.reset(OpARM64MOVDaddr)
  2922  		v.AuxInt = int32ToAuxInt(int32(off1) + off2)
  2923  		v.Aux = symToAux(sym)
  2924  		v.AddArg(ptr)
  2925  		return true
  2926  	}
  2927  	// match: (ADDconst [c] y)
  2928  	// cond: c < 0
  2929  	// result: (SUBconst [-c] y)
  2930  	for {
  2931  		c := auxIntToInt64(v.AuxInt)
  2932  		y := v_0
  2933  		if !(c < 0) {
  2934  			break
  2935  		}
  2936  		v.reset(OpARM64SUBconst)
  2937  		v.AuxInt = int64ToAuxInt(-c)
  2938  		v.AddArg(y)
  2939  		return true
  2940  	}
  2941  	// match: (ADDconst [0] x)
  2942  	// result: x
  2943  	for {
  2944  		if auxIntToInt64(v.AuxInt) != 0 {
  2945  			break
  2946  		}
  2947  		x := v_0
  2948  		v.copyOf(x)
  2949  		return true
  2950  	}
  2951  	// match: (ADDconst [c] (MOVDconst [d]))
  2952  	// result: (MOVDconst [c+d])
  2953  	for {
  2954  		c := auxIntToInt64(v.AuxInt)
  2955  		if v_0.Op != OpARM64MOVDconst {
  2956  			break
  2957  		}
  2958  		d := auxIntToInt64(v_0.AuxInt)
  2959  		v.reset(OpARM64MOVDconst)
  2960  		v.AuxInt = int64ToAuxInt(c + d)
  2961  		return true
  2962  	}
  2963  	// match: (ADDconst [c] (ADDconst [d] x))
  2964  	// result: (ADDconst [c+d] x)
  2965  	for {
  2966  		c := auxIntToInt64(v.AuxInt)
  2967  		if v_0.Op != OpARM64ADDconst {
  2968  			break
  2969  		}
  2970  		d := auxIntToInt64(v_0.AuxInt)
  2971  		x := v_0.Args[0]
  2972  		v.reset(OpARM64ADDconst)
  2973  		v.AuxInt = int64ToAuxInt(c + d)
  2974  		v.AddArg(x)
  2975  		return true
  2976  	}
  2977  	// match: (ADDconst [c] (SUBconst [d] x))
  2978  	// result: (ADDconst [c-d] x)
  2979  	for {
  2980  		c := auxIntToInt64(v.AuxInt)
  2981  		if v_0.Op != OpARM64SUBconst {
  2982  			break
  2983  		}
  2984  		d := auxIntToInt64(v_0.AuxInt)
  2985  		x := v_0.Args[0]
  2986  		v.reset(OpARM64ADDconst)
  2987  		v.AuxInt = int64ToAuxInt(c - d)
  2988  		v.AddArg(x)
  2989  		return true
  2990  	}
  2991  	return false
  2992  }
  2993  func rewriteValueARM64_OpARM64ADDshiftLL(v *Value) bool {
  2994  	v_1 := v.Args[1]
  2995  	v_0 := v.Args[0]
  2996  	b := v.Block
  2997  	typ := &b.Func.Config.Types
  2998  	// match: (ADDshiftLL (MOVDconst [c]) x [d])
  2999  	// result: (ADDconst [c] (SLLconst <x.Type> x [d]))
  3000  	for {
  3001  		d := auxIntToInt64(v.AuxInt)
  3002  		if v_0.Op != OpARM64MOVDconst {
  3003  			break
  3004  		}
  3005  		c := auxIntToInt64(v_0.AuxInt)
  3006  		x := v_1
  3007  		v.reset(OpARM64ADDconst)
  3008  		v.AuxInt = int64ToAuxInt(c)
  3009  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3010  		v0.AuxInt = int64ToAuxInt(d)
  3011  		v0.AddArg(x)
  3012  		v.AddArg(v0)
  3013  		return true
  3014  	}
  3015  	// match: (ADDshiftLL x (MOVDconst [c]) [d])
  3016  	// result: (ADDconst x [int64(uint64(c)<<uint64(d))])
  3017  	for {
  3018  		d := auxIntToInt64(v.AuxInt)
  3019  		x := v_0
  3020  		if v_1.Op != OpARM64MOVDconst {
  3021  			break
  3022  		}
  3023  		c := auxIntToInt64(v_1.AuxInt)
  3024  		v.reset(OpARM64ADDconst)
  3025  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3026  		v.AddArg(x)
  3027  		return true
  3028  	}
  3029  	// match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
  3030  	// result: (REV16W x)
  3031  	for {
  3032  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
  3033  			break
  3034  		}
  3035  		x := v_0.Args[0]
  3036  		if x != v_1 {
  3037  			break
  3038  		}
  3039  		v.reset(OpARM64REV16W)
  3040  		v.AddArg(x)
  3041  		return true
  3042  	}
  3043  	// match: (ADDshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
  3044  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
  3045  	// result: (REV16W x)
  3046  	for {
  3047  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
  3048  			break
  3049  		}
  3050  		v_0_0 := v_0.Args[0]
  3051  		if v_0_0.Op != OpARM64ANDconst {
  3052  			break
  3053  		}
  3054  		c1 := auxIntToInt64(v_0_0.AuxInt)
  3055  		x := v_0_0.Args[0]
  3056  		if v_1.Op != OpARM64ANDconst {
  3057  			break
  3058  		}
  3059  		c2 := auxIntToInt64(v_1.AuxInt)
  3060  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
  3061  			break
  3062  		}
  3063  		v.reset(OpARM64REV16W)
  3064  		v.AddArg(x)
  3065  		return true
  3066  	}
  3067  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  3068  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
  3069  	// result: (REV16 x)
  3070  	for {
  3071  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  3072  			break
  3073  		}
  3074  		v_0_0 := v_0.Args[0]
  3075  		if v_0_0.Op != OpARM64ANDconst {
  3076  			break
  3077  		}
  3078  		c1 := auxIntToInt64(v_0_0.AuxInt)
  3079  		x := v_0_0.Args[0]
  3080  		if v_1.Op != OpARM64ANDconst {
  3081  			break
  3082  		}
  3083  		c2 := auxIntToInt64(v_1.AuxInt)
  3084  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
  3085  			break
  3086  		}
  3087  		v.reset(OpARM64REV16)
  3088  		v.AddArg(x)
  3089  		return true
  3090  	}
  3091  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  3092  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
  3093  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
  3094  	for {
  3095  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  3096  			break
  3097  		}
  3098  		v_0_0 := v_0.Args[0]
  3099  		if v_0_0.Op != OpARM64ANDconst {
  3100  			break
  3101  		}
  3102  		c1 := auxIntToInt64(v_0_0.AuxInt)
  3103  		x := v_0_0.Args[0]
  3104  		if v_1.Op != OpARM64ANDconst {
  3105  			break
  3106  		}
  3107  		c2 := auxIntToInt64(v_1.AuxInt)
  3108  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
  3109  			break
  3110  		}
  3111  		v.reset(OpARM64REV16)
  3112  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
  3113  		v0.AuxInt = int64ToAuxInt(0xffffffff)
  3114  		v0.AddArg(x)
  3115  		v.AddArg(v0)
  3116  		return true
  3117  	}
  3118  	// match: (ADDshiftLL [c] (SRLconst x [64-c]) x2)
  3119  	// result: (EXTRconst [64-c] x2 x)
  3120  	for {
  3121  		c := auxIntToInt64(v.AuxInt)
  3122  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
  3123  			break
  3124  		}
  3125  		x := v_0.Args[0]
  3126  		x2 := v_1
  3127  		v.reset(OpARM64EXTRconst)
  3128  		v.AuxInt = int64ToAuxInt(64 - c)
  3129  		v.AddArg2(x2, x)
  3130  		return true
  3131  	}
  3132  	// match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2)
  3133  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
  3134  	// result: (EXTRWconst [32-c] x2 x)
  3135  	for {
  3136  		t := v.Type
  3137  		c := auxIntToInt64(v.AuxInt)
  3138  		if v_0.Op != OpARM64UBFX {
  3139  			break
  3140  		}
  3141  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  3142  		x := v_0.Args[0]
  3143  		x2 := v_1
  3144  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
  3145  			break
  3146  		}
  3147  		v.reset(OpARM64EXTRWconst)
  3148  		v.AuxInt = int64ToAuxInt(32 - c)
  3149  		v.AddArg2(x2, x)
  3150  		return true
  3151  	}
  3152  	return false
  3153  }
  3154  func rewriteValueARM64_OpARM64ADDshiftRA(v *Value) bool {
  3155  	v_1 := v.Args[1]
  3156  	v_0 := v.Args[0]
  3157  	b := v.Block
  3158  	// match: (ADDshiftRA (MOVDconst [c]) x [d])
  3159  	// result: (ADDconst [c] (SRAconst <x.Type> x [d]))
  3160  	for {
  3161  		d := auxIntToInt64(v.AuxInt)
  3162  		if v_0.Op != OpARM64MOVDconst {
  3163  			break
  3164  		}
  3165  		c := auxIntToInt64(v_0.AuxInt)
  3166  		x := v_1
  3167  		v.reset(OpARM64ADDconst)
  3168  		v.AuxInt = int64ToAuxInt(c)
  3169  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3170  		v0.AuxInt = int64ToAuxInt(d)
  3171  		v0.AddArg(x)
  3172  		v.AddArg(v0)
  3173  		return true
  3174  	}
  3175  	// match: (ADDshiftRA x (MOVDconst [c]) [d])
  3176  	// result: (ADDconst x [c>>uint64(d)])
  3177  	for {
  3178  		d := auxIntToInt64(v.AuxInt)
  3179  		x := v_0
  3180  		if v_1.Op != OpARM64MOVDconst {
  3181  			break
  3182  		}
  3183  		c := auxIntToInt64(v_1.AuxInt)
  3184  		v.reset(OpARM64ADDconst)
  3185  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3186  		v.AddArg(x)
  3187  		return true
  3188  	}
  3189  	return false
  3190  }
  3191  func rewriteValueARM64_OpARM64ADDshiftRL(v *Value) bool {
  3192  	v_1 := v.Args[1]
  3193  	v_0 := v.Args[0]
  3194  	b := v.Block
  3195  	// match: (ADDshiftRL (MOVDconst [c]) x [d])
  3196  	// result: (ADDconst [c] (SRLconst <x.Type> x [d]))
  3197  	for {
  3198  		d := auxIntToInt64(v.AuxInt)
  3199  		if v_0.Op != OpARM64MOVDconst {
  3200  			break
  3201  		}
  3202  		c := auxIntToInt64(v_0.AuxInt)
  3203  		x := v_1
  3204  		v.reset(OpARM64ADDconst)
  3205  		v.AuxInt = int64ToAuxInt(c)
  3206  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3207  		v0.AuxInt = int64ToAuxInt(d)
  3208  		v0.AddArg(x)
  3209  		v.AddArg(v0)
  3210  		return true
  3211  	}
  3212  	// match: (ADDshiftRL x (MOVDconst [c]) [d])
  3213  	// result: (ADDconst x [int64(uint64(c)>>uint64(d))])
  3214  	for {
  3215  		d := auxIntToInt64(v.AuxInt)
  3216  		x := v_0
  3217  		if v_1.Op != OpARM64MOVDconst {
  3218  			break
  3219  		}
  3220  		c := auxIntToInt64(v_1.AuxInt)
  3221  		v.reset(OpARM64ADDconst)
  3222  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3223  		v.AddArg(x)
  3224  		return true
  3225  	}
  3226  	return false
  3227  }
  3228  func rewriteValueARM64_OpARM64AND(v *Value) bool {
  3229  	v_1 := v.Args[1]
  3230  	v_0 := v.Args[0]
  3231  	// match: (AND x (MOVDconst [c]))
  3232  	// result: (ANDconst [c] x)
  3233  	for {
  3234  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3235  			x := v_0
  3236  			if v_1.Op != OpARM64MOVDconst {
  3237  				continue
  3238  			}
  3239  			c := auxIntToInt64(v_1.AuxInt)
  3240  			v.reset(OpARM64ANDconst)
  3241  			v.AuxInt = int64ToAuxInt(c)
  3242  			v.AddArg(x)
  3243  			return true
  3244  		}
  3245  		break
  3246  	}
  3247  	// match: (AND x x)
  3248  	// result: x
  3249  	for {
  3250  		x := v_0
  3251  		if x != v_1 {
  3252  			break
  3253  		}
  3254  		v.copyOf(x)
  3255  		return true
  3256  	}
  3257  	// match: (AND x (MVN y))
  3258  	// result: (BIC x y)
  3259  	for {
  3260  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3261  			x := v_0
  3262  			if v_1.Op != OpARM64MVN {
  3263  				continue
  3264  			}
  3265  			y := v_1.Args[0]
  3266  			v.reset(OpARM64BIC)
  3267  			v.AddArg2(x, y)
  3268  			return true
  3269  		}
  3270  		break
  3271  	}
  3272  	// match: (AND x0 x1:(SLLconst [c] y))
  3273  	// cond: clobberIfDead(x1)
  3274  	// result: (ANDshiftLL x0 y [c])
  3275  	for {
  3276  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3277  			x0 := v_0
  3278  			x1 := v_1
  3279  			if x1.Op != OpARM64SLLconst {
  3280  				continue
  3281  			}
  3282  			c := auxIntToInt64(x1.AuxInt)
  3283  			y := x1.Args[0]
  3284  			if !(clobberIfDead(x1)) {
  3285  				continue
  3286  			}
  3287  			v.reset(OpARM64ANDshiftLL)
  3288  			v.AuxInt = int64ToAuxInt(c)
  3289  			v.AddArg2(x0, y)
  3290  			return true
  3291  		}
  3292  		break
  3293  	}
  3294  	// match: (AND x0 x1:(SRLconst [c] y))
  3295  	// cond: clobberIfDead(x1)
  3296  	// result: (ANDshiftRL x0 y [c])
  3297  	for {
  3298  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3299  			x0 := v_0
  3300  			x1 := v_1
  3301  			if x1.Op != OpARM64SRLconst {
  3302  				continue
  3303  			}
  3304  			c := auxIntToInt64(x1.AuxInt)
  3305  			y := x1.Args[0]
  3306  			if !(clobberIfDead(x1)) {
  3307  				continue
  3308  			}
  3309  			v.reset(OpARM64ANDshiftRL)
  3310  			v.AuxInt = int64ToAuxInt(c)
  3311  			v.AddArg2(x0, y)
  3312  			return true
  3313  		}
  3314  		break
  3315  	}
  3316  	// match: (AND x0 x1:(SRAconst [c] y))
  3317  	// cond: clobberIfDead(x1)
  3318  	// result: (ANDshiftRA x0 y [c])
  3319  	for {
  3320  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3321  			x0 := v_0
  3322  			x1 := v_1
  3323  			if x1.Op != OpARM64SRAconst {
  3324  				continue
  3325  			}
  3326  			c := auxIntToInt64(x1.AuxInt)
  3327  			y := x1.Args[0]
  3328  			if !(clobberIfDead(x1)) {
  3329  				continue
  3330  			}
  3331  			v.reset(OpARM64ANDshiftRA)
  3332  			v.AuxInt = int64ToAuxInt(c)
  3333  			v.AddArg2(x0, y)
  3334  			return true
  3335  		}
  3336  		break
  3337  	}
  3338  	// match: (AND x0 x1:(RORconst [c] y))
  3339  	// cond: clobberIfDead(x1)
  3340  	// result: (ANDshiftRO x0 y [c])
  3341  	for {
  3342  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3343  			x0 := v_0
  3344  			x1 := v_1
  3345  			if x1.Op != OpARM64RORconst {
  3346  				continue
  3347  			}
  3348  			c := auxIntToInt64(x1.AuxInt)
  3349  			y := x1.Args[0]
  3350  			if !(clobberIfDead(x1)) {
  3351  				continue
  3352  			}
  3353  			v.reset(OpARM64ANDshiftRO)
  3354  			v.AuxInt = int64ToAuxInt(c)
  3355  			v.AddArg2(x0, y)
  3356  			return true
  3357  		}
  3358  		break
  3359  	}
  3360  	return false
  3361  }
  3362  func rewriteValueARM64_OpARM64ANDconst(v *Value) bool {
  3363  	v_0 := v.Args[0]
  3364  	// match: (ANDconst [0] _)
  3365  	// result: (MOVDconst [0])
  3366  	for {
  3367  		if auxIntToInt64(v.AuxInt) != 0 {
  3368  			break
  3369  		}
  3370  		v.reset(OpARM64MOVDconst)
  3371  		v.AuxInt = int64ToAuxInt(0)
  3372  		return true
  3373  	}
  3374  	// match: (ANDconst [-1] x)
  3375  	// result: x
  3376  	for {
  3377  		if auxIntToInt64(v.AuxInt) != -1 {
  3378  			break
  3379  		}
  3380  		x := v_0
  3381  		v.copyOf(x)
  3382  		return true
  3383  	}
  3384  	// match: (ANDconst [c] (MOVDconst [d]))
  3385  	// result: (MOVDconst [c&d])
  3386  	for {
  3387  		c := auxIntToInt64(v.AuxInt)
  3388  		if v_0.Op != OpARM64MOVDconst {
  3389  			break
  3390  		}
  3391  		d := auxIntToInt64(v_0.AuxInt)
  3392  		v.reset(OpARM64MOVDconst)
  3393  		v.AuxInt = int64ToAuxInt(c & d)
  3394  		return true
  3395  	}
  3396  	// match: (ANDconst [c] (ANDconst [d] x))
  3397  	// result: (ANDconst [c&d] x)
  3398  	for {
  3399  		c := auxIntToInt64(v.AuxInt)
  3400  		if v_0.Op != OpARM64ANDconst {
  3401  			break
  3402  		}
  3403  		d := auxIntToInt64(v_0.AuxInt)
  3404  		x := v_0.Args[0]
  3405  		v.reset(OpARM64ANDconst)
  3406  		v.AuxInt = int64ToAuxInt(c & d)
  3407  		v.AddArg(x)
  3408  		return true
  3409  	}
  3410  	// match: (ANDconst [c] (MOVWUreg x))
  3411  	// result: (ANDconst [c&(1<<32-1)] x)
  3412  	for {
  3413  		c := auxIntToInt64(v.AuxInt)
  3414  		if v_0.Op != OpARM64MOVWUreg {
  3415  			break
  3416  		}
  3417  		x := v_0.Args[0]
  3418  		v.reset(OpARM64ANDconst)
  3419  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
  3420  		v.AddArg(x)
  3421  		return true
  3422  	}
  3423  	// match: (ANDconst [c] (MOVHUreg x))
  3424  	// result: (ANDconst [c&(1<<16-1)] x)
  3425  	for {
  3426  		c := auxIntToInt64(v.AuxInt)
  3427  		if v_0.Op != OpARM64MOVHUreg {
  3428  			break
  3429  		}
  3430  		x := v_0.Args[0]
  3431  		v.reset(OpARM64ANDconst)
  3432  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
  3433  		v.AddArg(x)
  3434  		return true
  3435  	}
  3436  	// match: (ANDconst [c] (MOVBUreg x))
  3437  	// result: (ANDconst [c&(1<<8-1)] x)
  3438  	for {
  3439  		c := auxIntToInt64(v.AuxInt)
  3440  		if v_0.Op != OpARM64MOVBUreg {
  3441  			break
  3442  		}
  3443  		x := v_0.Args[0]
  3444  		v.reset(OpARM64ANDconst)
  3445  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  3446  		v.AddArg(x)
  3447  		return true
  3448  	}
  3449  	// match: (ANDconst [ac] (SLLconst [sc] x))
  3450  	// cond: isARM64BFMask(sc, ac, sc)
  3451  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
  3452  	for {
  3453  		ac := auxIntToInt64(v.AuxInt)
  3454  		if v_0.Op != OpARM64SLLconst {
  3455  			break
  3456  		}
  3457  		sc := auxIntToInt64(v_0.AuxInt)
  3458  		x := v_0.Args[0]
  3459  		if !(isARM64BFMask(sc, ac, sc)) {
  3460  			break
  3461  		}
  3462  		v.reset(OpARM64UBFIZ)
  3463  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
  3464  		v.AddArg(x)
  3465  		return true
  3466  	}
  3467  	// match: (ANDconst [ac] (SRLconst [sc] x))
  3468  	// cond: isARM64BFMask(sc, ac, 0)
  3469  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
  3470  	for {
  3471  		ac := auxIntToInt64(v.AuxInt)
  3472  		if v_0.Op != OpARM64SRLconst {
  3473  			break
  3474  		}
  3475  		sc := auxIntToInt64(v_0.AuxInt)
  3476  		x := v_0.Args[0]
  3477  		if !(isARM64BFMask(sc, ac, 0)) {
  3478  			break
  3479  		}
  3480  		v.reset(OpARM64UBFX)
  3481  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
  3482  		v.AddArg(x)
  3483  		return true
  3484  	}
  3485  	// match: (ANDconst [c] (UBFX [bfc] x))
  3486  	// cond: isARM64BFMask(0, c, 0)
  3487  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), arm64BFWidth(c, 0)))] x)
  3488  	for {
  3489  		c := auxIntToInt64(v.AuxInt)
  3490  		if v_0.Op != OpARM64UBFX {
  3491  			break
  3492  		}
  3493  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  3494  		x := v_0.Args[0]
  3495  		if !(isARM64BFMask(0, c, 0)) {
  3496  			break
  3497  		}
  3498  		v.reset(OpARM64UBFX)
  3499  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), arm64BFWidth(c, 0))))
  3500  		v.AddArg(x)
  3501  		return true
  3502  	}
  3503  	// match: (ANDconst [0xffffffff] x)
  3504  	// result: (MOVWUreg x)
  3505  	for {
  3506  		if auxIntToInt64(v.AuxInt) != 0xffffffff {
  3507  			break
  3508  		}
  3509  		x := v_0
  3510  		v.reset(OpARM64MOVWUreg)
  3511  		v.AddArg(x)
  3512  		return true
  3513  	}
  3514  	// match: (ANDconst [0xffff ] x)
  3515  	// result: (MOVHUreg x)
  3516  	for {
  3517  		if auxIntToInt64(v.AuxInt) != 0xffff {
  3518  			break
  3519  		}
  3520  		x := v_0
  3521  		v.reset(OpARM64MOVHUreg)
  3522  		v.AddArg(x)
  3523  		return true
  3524  	}
  3525  	// match: (ANDconst [0xff ] x)
  3526  	// result: (MOVBUreg x)
  3527  	for {
  3528  		if auxIntToInt64(v.AuxInt) != 0xff {
  3529  			break
  3530  		}
  3531  		x := v_0
  3532  		v.reset(OpARM64MOVBUreg)
  3533  		v.AddArg(x)
  3534  		return true
  3535  	}
  3536  	return false
  3537  }
  3538  func rewriteValueARM64_OpARM64ANDshiftLL(v *Value) bool {
  3539  	v_1 := v.Args[1]
  3540  	v_0 := v.Args[0]
  3541  	b := v.Block
  3542  	// match: (ANDshiftLL (MOVDconst [c]) x [d])
  3543  	// result: (ANDconst [c] (SLLconst <x.Type> x [d]))
  3544  	for {
  3545  		d := auxIntToInt64(v.AuxInt)
  3546  		if v_0.Op != OpARM64MOVDconst {
  3547  			break
  3548  		}
  3549  		c := auxIntToInt64(v_0.AuxInt)
  3550  		x := v_1
  3551  		v.reset(OpARM64ANDconst)
  3552  		v.AuxInt = int64ToAuxInt(c)
  3553  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3554  		v0.AuxInt = int64ToAuxInt(d)
  3555  		v0.AddArg(x)
  3556  		v.AddArg(v0)
  3557  		return true
  3558  	}
  3559  	// match: (ANDshiftLL x (MOVDconst [c]) [d])
  3560  	// result: (ANDconst x [int64(uint64(c)<<uint64(d))])
  3561  	for {
  3562  		d := auxIntToInt64(v.AuxInt)
  3563  		x := v_0
  3564  		if v_1.Op != OpARM64MOVDconst {
  3565  			break
  3566  		}
  3567  		c := auxIntToInt64(v_1.AuxInt)
  3568  		v.reset(OpARM64ANDconst)
  3569  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3570  		v.AddArg(x)
  3571  		return true
  3572  	}
  3573  	// match: (ANDshiftLL y:(SLLconst x [c]) x [c])
  3574  	// result: y
  3575  	for {
  3576  		c := auxIntToInt64(v.AuxInt)
  3577  		y := v_0
  3578  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
  3579  			break
  3580  		}
  3581  		x := y.Args[0]
  3582  		if x != v_1 {
  3583  			break
  3584  		}
  3585  		v.copyOf(y)
  3586  		return true
  3587  	}
  3588  	return false
  3589  }
  3590  func rewriteValueARM64_OpARM64ANDshiftRA(v *Value) bool {
  3591  	v_1 := v.Args[1]
  3592  	v_0 := v.Args[0]
  3593  	b := v.Block
  3594  	// match: (ANDshiftRA (MOVDconst [c]) x [d])
  3595  	// result: (ANDconst [c] (SRAconst <x.Type> x [d]))
  3596  	for {
  3597  		d := auxIntToInt64(v.AuxInt)
  3598  		if v_0.Op != OpARM64MOVDconst {
  3599  			break
  3600  		}
  3601  		c := auxIntToInt64(v_0.AuxInt)
  3602  		x := v_1
  3603  		v.reset(OpARM64ANDconst)
  3604  		v.AuxInt = int64ToAuxInt(c)
  3605  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3606  		v0.AuxInt = int64ToAuxInt(d)
  3607  		v0.AddArg(x)
  3608  		v.AddArg(v0)
  3609  		return true
  3610  	}
  3611  	// match: (ANDshiftRA x (MOVDconst [c]) [d])
  3612  	// result: (ANDconst x [c>>uint64(d)])
  3613  	for {
  3614  		d := auxIntToInt64(v.AuxInt)
  3615  		x := v_0
  3616  		if v_1.Op != OpARM64MOVDconst {
  3617  			break
  3618  		}
  3619  		c := auxIntToInt64(v_1.AuxInt)
  3620  		v.reset(OpARM64ANDconst)
  3621  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3622  		v.AddArg(x)
  3623  		return true
  3624  	}
  3625  	// match: (ANDshiftRA y:(SRAconst x [c]) x [c])
  3626  	// result: y
  3627  	for {
  3628  		c := auxIntToInt64(v.AuxInt)
  3629  		y := v_0
  3630  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
  3631  			break
  3632  		}
  3633  		x := y.Args[0]
  3634  		if x != v_1 {
  3635  			break
  3636  		}
  3637  		v.copyOf(y)
  3638  		return true
  3639  	}
  3640  	return false
  3641  }
  3642  func rewriteValueARM64_OpARM64ANDshiftRL(v *Value) bool {
  3643  	v_1 := v.Args[1]
  3644  	v_0 := v.Args[0]
  3645  	b := v.Block
  3646  	// match: (ANDshiftRL (MOVDconst [c]) x [d])
  3647  	// result: (ANDconst [c] (SRLconst <x.Type> x [d]))
  3648  	for {
  3649  		d := auxIntToInt64(v.AuxInt)
  3650  		if v_0.Op != OpARM64MOVDconst {
  3651  			break
  3652  		}
  3653  		c := auxIntToInt64(v_0.AuxInt)
  3654  		x := v_1
  3655  		v.reset(OpARM64ANDconst)
  3656  		v.AuxInt = int64ToAuxInt(c)
  3657  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3658  		v0.AuxInt = int64ToAuxInt(d)
  3659  		v0.AddArg(x)
  3660  		v.AddArg(v0)
  3661  		return true
  3662  	}
  3663  	// match: (ANDshiftRL x (MOVDconst [c]) [d])
  3664  	// result: (ANDconst x [int64(uint64(c)>>uint64(d))])
  3665  	for {
  3666  		d := auxIntToInt64(v.AuxInt)
  3667  		x := v_0
  3668  		if v_1.Op != OpARM64MOVDconst {
  3669  			break
  3670  		}
  3671  		c := auxIntToInt64(v_1.AuxInt)
  3672  		v.reset(OpARM64ANDconst)
  3673  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3674  		v.AddArg(x)
  3675  		return true
  3676  	}
  3677  	// match: (ANDshiftRL y:(SRLconst x [c]) x [c])
  3678  	// result: y
  3679  	for {
  3680  		c := auxIntToInt64(v.AuxInt)
  3681  		y := v_0
  3682  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
  3683  			break
  3684  		}
  3685  		x := y.Args[0]
  3686  		if x != v_1 {
  3687  			break
  3688  		}
  3689  		v.copyOf(y)
  3690  		return true
  3691  	}
  3692  	return false
  3693  }
  3694  func rewriteValueARM64_OpARM64ANDshiftRO(v *Value) bool {
  3695  	v_1 := v.Args[1]
  3696  	v_0 := v.Args[0]
  3697  	b := v.Block
  3698  	// match: (ANDshiftRO (MOVDconst [c]) x [d])
  3699  	// result: (ANDconst [c] (RORconst <x.Type> x [d]))
  3700  	for {
  3701  		d := auxIntToInt64(v.AuxInt)
  3702  		if v_0.Op != OpARM64MOVDconst {
  3703  			break
  3704  		}
  3705  		c := auxIntToInt64(v_0.AuxInt)
  3706  		x := v_1
  3707  		v.reset(OpARM64ANDconst)
  3708  		v.AuxInt = int64ToAuxInt(c)
  3709  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
  3710  		v0.AuxInt = int64ToAuxInt(d)
  3711  		v0.AddArg(x)
  3712  		v.AddArg(v0)
  3713  		return true
  3714  	}
  3715  	// match: (ANDshiftRO x (MOVDconst [c]) [d])
  3716  	// result: (ANDconst x [rotateRight64(c, d)])
  3717  	for {
  3718  		d := auxIntToInt64(v.AuxInt)
  3719  		x := v_0
  3720  		if v_1.Op != OpARM64MOVDconst {
  3721  			break
  3722  		}
  3723  		c := auxIntToInt64(v_1.AuxInt)
  3724  		v.reset(OpARM64ANDconst)
  3725  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
  3726  		v.AddArg(x)
  3727  		return true
  3728  	}
  3729  	// match: (ANDshiftRO y:(RORconst x [c]) x [c])
  3730  	// result: y
  3731  	for {
  3732  		c := auxIntToInt64(v.AuxInt)
  3733  		y := v_0
  3734  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
  3735  			break
  3736  		}
  3737  		x := y.Args[0]
  3738  		if x != v_1 {
  3739  			break
  3740  		}
  3741  		v.copyOf(y)
  3742  		return true
  3743  	}
  3744  	return false
  3745  }
  3746  func rewriteValueARM64_OpARM64BIC(v *Value) bool {
  3747  	v_1 := v.Args[1]
  3748  	v_0 := v.Args[0]
  3749  	// match: (BIC x (MOVDconst [c]))
  3750  	// result: (ANDconst [^c] x)
  3751  	for {
  3752  		x := v_0
  3753  		if v_1.Op != OpARM64MOVDconst {
  3754  			break
  3755  		}
  3756  		c := auxIntToInt64(v_1.AuxInt)
  3757  		v.reset(OpARM64ANDconst)
  3758  		v.AuxInt = int64ToAuxInt(^c)
  3759  		v.AddArg(x)
  3760  		return true
  3761  	}
  3762  	// match: (BIC x x)
  3763  	// result: (MOVDconst [0])
  3764  	for {
  3765  		x := v_0
  3766  		if x != v_1 {
  3767  			break
  3768  		}
  3769  		v.reset(OpARM64MOVDconst)
  3770  		v.AuxInt = int64ToAuxInt(0)
  3771  		return true
  3772  	}
  3773  	// match: (BIC x0 x1:(SLLconst [c] y))
  3774  	// cond: clobberIfDead(x1)
  3775  	// result: (BICshiftLL x0 y [c])
  3776  	for {
  3777  		x0 := v_0
  3778  		x1 := v_1
  3779  		if x1.Op != OpARM64SLLconst {
  3780  			break
  3781  		}
  3782  		c := auxIntToInt64(x1.AuxInt)
  3783  		y := x1.Args[0]
  3784  		if !(clobberIfDead(x1)) {
  3785  			break
  3786  		}
  3787  		v.reset(OpARM64BICshiftLL)
  3788  		v.AuxInt = int64ToAuxInt(c)
  3789  		v.AddArg2(x0, y)
  3790  		return true
  3791  	}
  3792  	// match: (BIC x0 x1:(SRLconst [c] y))
  3793  	// cond: clobberIfDead(x1)
  3794  	// result: (BICshiftRL x0 y [c])
  3795  	for {
  3796  		x0 := v_0
  3797  		x1 := v_1
  3798  		if x1.Op != OpARM64SRLconst {
  3799  			break
  3800  		}
  3801  		c := auxIntToInt64(x1.AuxInt)
  3802  		y := x1.Args[0]
  3803  		if !(clobberIfDead(x1)) {
  3804  			break
  3805  		}
  3806  		v.reset(OpARM64BICshiftRL)
  3807  		v.AuxInt = int64ToAuxInt(c)
  3808  		v.AddArg2(x0, y)
  3809  		return true
  3810  	}
  3811  	// match: (BIC x0 x1:(SRAconst [c] y))
  3812  	// cond: clobberIfDead(x1)
  3813  	// result: (BICshiftRA x0 y [c])
  3814  	for {
  3815  		x0 := v_0
  3816  		x1 := v_1
  3817  		if x1.Op != OpARM64SRAconst {
  3818  			break
  3819  		}
  3820  		c := auxIntToInt64(x1.AuxInt)
  3821  		y := x1.Args[0]
  3822  		if !(clobberIfDead(x1)) {
  3823  			break
  3824  		}
  3825  		v.reset(OpARM64BICshiftRA)
  3826  		v.AuxInt = int64ToAuxInt(c)
  3827  		v.AddArg2(x0, y)
  3828  		return true
  3829  	}
  3830  	// match: (BIC x0 x1:(RORconst [c] y))
  3831  	// cond: clobberIfDead(x1)
  3832  	// result: (BICshiftRO x0 y [c])
  3833  	for {
  3834  		x0 := v_0
  3835  		x1 := v_1
  3836  		if x1.Op != OpARM64RORconst {
  3837  			break
  3838  		}
  3839  		c := auxIntToInt64(x1.AuxInt)
  3840  		y := x1.Args[0]
  3841  		if !(clobberIfDead(x1)) {
  3842  			break
  3843  		}
  3844  		v.reset(OpARM64BICshiftRO)
  3845  		v.AuxInt = int64ToAuxInt(c)
  3846  		v.AddArg2(x0, y)
  3847  		return true
  3848  	}
  3849  	return false
  3850  }
  3851  func rewriteValueARM64_OpARM64BICshiftLL(v *Value) bool {
  3852  	v_1 := v.Args[1]
  3853  	v_0 := v.Args[0]
  3854  	// match: (BICshiftLL x (MOVDconst [c]) [d])
  3855  	// result: (ANDconst x [^int64(uint64(c)<<uint64(d))])
  3856  	for {
  3857  		d := auxIntToInt64(v.AuxInt)
  3858  		x := v_0
  3859  		if v_1.Op != OpARM64MOVDconst {
  3860  			break
  3861  		}
  3862  		c := auxIntToInt64(v_1.AuxInt)
  3863  		v.reset(OpARM64ANDconst)
  3864  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  3865  		v.AddArg(x)
  3866  		return true
  3867  	}
  3868  	// match: (BICshiftLL (SLLconst x [c]) x [c])
  3869  	// result: (MOVDconst [0])
  3870  	for {
  3871  		c := auxIntToInt64(v.AuxInt)
  3872  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  3873  			break
  3874  		}
  3875  		x := v_0.Args[0]
  3876  		if x != v_1 {
  3877  			break
  3878  		}
  3879  		v.reset(OpARM64MOVDconst)
  3880  		v.AuxInt = int64ToAuxInt(0)
  3881  		return true
  3882  	}
  3883  	return false
  3884  }
  3885  func rewriteValueARM64_OpARM64BICshiftRA(v *Value) bool {
  3886  	v_1 := v.Args[1]
  3887  	v_0 := v.Args[0]
  3888  	// match: (BICshiftRA x (MOVDconst [c]) [d])
  3889  	// result: (ANDconst x [^(c>>uint64(d))])
  3890  	for {
  3891  		d := auxIntToInt64(v.AuxInt)
  3892  		x := v_0
  3893  		if v_1.Op != OpARM64MOVDconst {
  3894  			break
  3895  		}
  3896  		c := auxIntToInt64(v_1.AuxInt)
  3897  		v.reset(OpARM64ANDconst)
  3898  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  3899  		v.AddArg(x)
  3900  		return true
  3901  	}
  3902  	// match: (BICshiftRA (SRAconst x [c]) x [c])
  3903  	// result: (MOVDconst [0])
  3904  	for {
  3905  		c := auxIntToInt64(v.AuxInt)
  3906  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  3907  			break
  3908  		}
  3909  		x := v_0.Args[0]
  3910  		if x != v_1 {
  3911  			break
  3912  		}
  3913  		v.reset(OpARM64MOVDconst)
  3914  		v.AuxInt = int64ToAuxInt(0)
  3915  		return true
  3916  	}
  3917  	return false
  3918  }
  3919  func rewriteValueARM64_OpARM64BICshiftRL(v *Value) bool {
  3920  	v_1 := v.Args[1]
  3921  	v_0 := v.Args[0]
  3922  	// match: (BICshiftRL x (MOVDconst [c]) [d])
  3923  	// result: (ANDconst x [^int64(uint64(c)>>uint64(d))])
  3924  	for {
  3925  		d := auxIntToInt64(v.AuxInt)
  3926  		x := v_0
  3927  		if v_1.Op != OpARM64MOVDconst {
  3928  			break
  3929  		}
  3930  		c := auxIntToInt64(v_1.AuxInt)
  3931  		v.reset(OpARM64ANDconst)
  3932  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  3933  		v.AddArg(x)
  3934  		return true
  3935  	}
  3936  	// match: (BICshiftRL (SRLconst x [c]) x [c])
  3937  	// result: (MOVDconst [0])
  3938  	for {
  3939  		c := auxIntToInt64(v.AuxInt)
  3940  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  3941  			break
  3942  		}
  3943  		x := v_0.Args[0]
  3944  		if x != v_1 {
  3945  			break
  3946  		}
  3947  		v.reset(OpARM64MOVDconst)
  3948  		v.AuxInt = int64ToAuxInt(0)
  3949  		return true
  3950  	}
  3951  	return false
  3952  }
  3953  func rewriteValueARM64_OpARM64BICshiftRO(v *Value) bool {
  3954  	v_1 := v.Args[1]
  3955  	v_0 := v.Args[0]
  3956  	// match: (BICshiftRO x (MOVDconst [c]) [d])
  3957  	// result: (ANDconst x [^rotateRight64(c, d)])
  3958  	for {
  3959  		d := auxIntToInt64(v.AuxInt)
  3960  		x := v_0
  3961  		if v_1.Op != OpARM64MOVDconst {
  3962  			break
  3963  		}
  3964  		c := auxIntToInt64(v_1.AuxInt)
  3965  		v.reset(OpARM64ANDconst)
  3966  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  3967  		v.AddArg(x)
  3968  		return true
  3969  	}
  3970  	// match: (BICshiftRO (RORconst x [c]) x [c])
  3971  	// result: (MOVDconst [0])
  3972  	for {
  3973  		c := auxIntToInt64(v.AuxInt)
  3974  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  3975  			break
  3976  		}
  3977  		x := v_0.Args[0]
  3978  		if x != v_1 {
  3979  			break
  3980  		}
  3981  		v.reset(OpARM64MOVDconst)
  3982  		v.AuxInt = int64ToAuxInt(0)
  3983  		return true
  3984  	}
  3985  	return false
  3986  }
  3987  func rewriteValueARM64_OpARM64CMN(v *Value) bool {
  3988  	v_1 := v.Args[1]
  3989  	v_0 := v.Args[0]
  3990  	// match: (CMN x (MOVDconst [c]))
  3991  	// result: (CMNconst [c] x)
  3992  	for {
  3993  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3994  			x := v_0
  3995  			if v_1.Op != OpARM64MOVDconst {
  3996  				continue
  3997  			}
  3998  			c := auxIntToInt64(v_1.AuxInt)
  3999  			v.reset(OpARM64CMNconst)
  4000  			v.AuxInt = int64ToAuxInt(c)
  4001  			v.AddArg(x)
  4002  			return true
  4003  		}
  4004  		break
  4005  	}
  4006  	// match: (CMN x0 x1:(SLLconst [c] y))
  4007  	// cond: clobberIfDead(x1)
  4008  	// result: (CMNshiftLL x0 y [c])
  4009  	for {
  4010  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4011  			x0 := v_0
  4012  			x1 := v_1
  4013  			if x1.Op != OpARM64SLLconst {
  4014  				continue
  4015  			}
  4016  			c := auxIntToInt64(x1.AuxInt)
  4017  			y := x1.Args[0]
  4018  			if !(clobberIfDead(x1)) {
  4019  				continue
  4020  			}
  4021  			v.reset(OpARM64CMNshiftLL)
  4022  			v.AuxInt = int64ToAuxInt(c)
  4023  			v.AddArg2(x0, y)
  4024  			return true
  4025  		}
  4026  		break
  4027  	}
  4028  	// match: (CMN x0 x1:(SRLconst [c] y))
  4029  	// cond: clobberIfDead(x1)
  4030  	// result: (CMNshiftRL x0 y [c])
  4031  	for {
  4032  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4033  			x0 := v_0
  4034  			x1 := v_1
  4035  			if x1.Op != OpARM64SRLconst {
  4036  				continue
  4037  			}
  4038  			c := auxIntToInt64(x1.AuxInt)
  4039  			y := x1.Args[0]
  4040  			if !(clobberIfDead(x1)) {
  4041  				continue
  4042  			}
  4043  			v.reset(OpARM64CMNshiftRL)
  4044  			v.AuxInt = int64ToAuxInt(c)
  4045  			v.AddArg2(x0, y)
  4046  			return true
  4047  		}
  4048  		break
  4049  	}
  4050  	// match: (CMN x0 x1:(SRAconst [c] y))
  4051  	// cond: clobberIfDead(x1)
  4052  	// result: (CMNshiftRA x0 y [c])
  4053  	for {
  4054  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4055  			x0 := v_0
  4056  			x1 := v_1
  4057  			if x1.Op != OpARM64SRAconst {
  4058  				continue
  4059  			}
  4060  			c := auxIntToInt64(x1.AuxInt)
  4061  			y := x1.Args[0]
  4062  			if !(clobberIfDead(x1)) {
  4063  				continue
  4064  			}
  4065  			v.reset(OpARM64CMNshiftRA)
  4066  			v.AuxInt = int64ToAuxInt(c)
  4067  			v.AddArg2(x0, y)
  4068  			return true
  4069  		}
  4070  		break
  4071  	}
  4072  	return false
  4073  }
  4074  func rewriteValueARM64_OpARM64CMNW(v *Value) bool {
  4075  	v_1 := v.Args[1]
  4076  	v_0 := v.Args[0]
  4077  	// match: (CMNW x (MOVDconst [c]))
  4078  	// result: (CMNWconst [int32(c)] x)
  4079  	for {
  4080  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4081  			x := v_0
  4082  			if v_1.Op != OpARM64MOVDconst {
  4083  				continue
  4084  			}
  4085  			c := auxIntToInt64(v_1.AuxInt)
  4086  			v.reset(OpARM64CMNWconst)
  4087  			v.AuxInt = int32ToAuxInt(int32(c))
  4088  			v.AddArg(x)
  4089  			return true
  4090  		}
  4091  		break
  4092  	}
  4093  	return false
  4094  }
  4095  func rewriteValueARM64_OpARM64CMNWconst(v *Value) bool {
  4096  	v_0 := v.Args[0]
  4097  	// match: (CMNWconst [c] y)
  4098  	// cond: c < 0 && c != -1<<31
  4099  	// result: (CMPWconst [-c] y)
  4100  	for {
  4101  		c := auxIntToInt32(v.AuxInt)
  4102  		y := v_0
  4103  		if !(c < 0 && c != -1<<31) {
  4104  			break
  4105  		}
  4106  		v.reset(OpARM64CMPWconst)
  4107  		v.AuxInt = int32ToAuxInt(-c)
  4108  		v.AddArg(y)
  4109  		return true
  4110  	}
  4111  	// match: (CMNWconst (MOVDconst [x]) [y])
  4112  	// result: (FlagConstant [addFlags32(int32(x),y)])
  4113  	for {
  4114  		y := auxIntToInt32(v.AuxInt)
  4115  		if v_0.Op != OpARM64MOVDconst {
  4116  			break
  4117  		}
  4118  		x := auxIntToInt64(v_0.AuxInt)
  4119  		v.reset(OpARM64FlagConstant)
  4120  		v.AuxInt = flagConstantToAuxInt(addFlags32(int32(x), y))
  4121  		return true
  4122  	}
  4123  	return false
  4124  }
  4125  func rewriteValueARM64_OpARM64CMNconst(v *Value) bool {
  4126  	v_0 := v.Args[0]
  4127  	// match: (CMNconst [c] y)
  4128  	// cond: c < 0 && c != -1<<63
  4129  	// result: (CMPconst [-c] y)
  4130  	for {
  4131  		c := auxIntToInt64(v.AuxInt)
  4132  		y := v_0
  4133  		if !(c < 0 && c != -1<<63) {
  4134  			break
  4135  		}
  4136  		v.reset(OpARM64CMPconst)
  4137  		v.AuxInt = int64ToAuxInt(-c)
  4138  		v.AddArg(y)
  4139  		return true
  4140  	}
  4141  	// match: (CMNconst (MOVDconst [x]) [y])
  4142  	// result: (FlagConstant [addFlags64(x,y)])
  4143  	for {
  4144  		y := auxIntToInt64(v.AuxInt)
  4145  		if v_0.Op != OpARM64MOVDconst {
  4146  			break
  4147  		}
  4148  		x := auxIntToInt64(v_0.AuxInt)
  4149  		v.reset(OpARM64FlagConstant)
  4150  		v.AuxInt = flagConstantToAuxInt(addFlags64(x, y))
  4151  		return true
  4152  	}
  4153  	return false
  4154  }
  4155  func rewriteValueARM64_OpARM64CMNshiftLL(v *Value) bool {
  4156  	v_1 := v.Args[1]
  4157  	v_0 := v.Args[0]
  4158  	b := v.Block
  4159  	// match: (CMNshiftLL (MOVDconst [c]) x [d])
  4160  	// result: (CMNconst [c] (SLLconst <x.Type> x [d]))
  4161  	for {
  4162  		d := auxIntToInt64(v.AuxInt)
  4163  		if v_0.Op != OpARM64MOVDconst {
  4164  			break
  4165  		}
  4166  		c := auxIntToInt64(v_0.AuxInt)
  4167  		x := v_1
  4168  		v.reset(OpARM64CMNconst)
  4169  		v.AuxInt = int64ToAuxInt(c)
  4170  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  4171  		v0.AuxInt = int64ToAuxInt(d)
  4172  		v0.AddArg(x)
  4173  		v.AddArg(v0)
  4174  		return true
  4175  	}
  4176  	// match: (CMNshiftLL x (MOVDconst [c]) [d])
  4177  	// result: (CMNconst x [int64(uint64(c)<<uint64(d))])
  4178  	for {
  4179  		d := auxIntToInt64(v.AuxInt)
  4180  		x := v_0
  4181  		if v_1.Op != OpARM64MOVDconst {
  4182  			break
  4183  		}
  4184  		c := auxIntToInt64(v_1.AuxInt)
  4185  		v.reset(OpARM64CMNconst)
  4186  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  4187  		v.AddArg(x)
  4188  		return true
  4189  	}
  4190  	return false
  4191  }
  4192  func rewriteValueARM64_OpARM64CMNshiftRA(v *Value) bool {
  4193  	v_1 := v.Args[1]
  4194  	v_0 := v.Args[0]
  4195  	b := v.Block
  4196  	// match: (CMNshiftRA (MOVDconst [c]) x [d])
  4197  	// result: (CMNconst [c] (SRAconst <x.Type> x [d]))
  4198  	for {
  4199  		d := auxIntToInt64(v.AuxInt)
  4200  		if v_0.Op != OpARM64MOVDconst {
  4201  			break
  4202  		}
  4203  		c := auxIntToInt64(v_0.AuxInt)
  4204  		x := v_1
  4205  		v.reset(OpARM64CMNconst)
  4206  		v.AuxInt = int64ToAuxInt(c)
  4207  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  4208  		v0.AuxInt = int64ToAuxInt(d)
  4209  		v0.AddArg(x)
  4210  		v.AddArg(v0)
  4211  		return true
  4212  	}
  4213  	// match: (CMNshiftRA x (MOVDconst [c]) [d])
  4214  	// result: (CMNconst x [c>>uint64(d)])
  4215  	for {
  4216  		d := auxIntToInt64(v.AuxInt)
  4217  		x := v_0
  4218  		if v_1.Op != OpARM64MOVDconst {
  4219  			break
  4220  		}
  4221  		c := auxIntToInt64(v_1.AuxInt)
  4222  		v.reset(OpARM64CMNconst)
  4223  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  4224  		v.AddArg(x)
  4225  		return true
  4226  	}
  4227  	return false
  4228  }
  4229  func rewriteValueARM64_OpARM64CMNshiftRL(v *Value) bool {
  4230  	v_1 := v.Args[1]
  4231  	v_0 := v.Args[0]
  4232  	b := v.Block
  4233  	// match: (CMNshiftRL (MOVDconst [c]) x [d])
  4234  	// result: (CMNconst [c] (SRLconst <x.Type> x [d]))
  4235  	for {
  4236  		d := auxIntToInt64(v.AuxInt)
  4237  		if v_0.Op != OpARM64MOVDconst {
  4238  			break
  4239  		}
  4240  		c := auxIntToInt64(v_0.AuxInt)
  4241  		x := v_1
  4242  		v.reset(OpARM64CMNconst)
  4243  		v.AuxInt = int64ToAuxInt(c)
  4244  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  4245  		v0.AuxInt = int64ToAuxInt(d)
  4246  		v0.AddArg(x)
  4247  		v.AddArg(v0)
  4248  		return true
  4249  	}
  4250  	// match: (CMNshiftRL x (MOVDconst [c]) [d])
  4251  	// result: (CMNconst x [int64(uint64(c)>>uint64(d))])
  4252  	for {
  4253  		d := auxIntToInt64(v.AuxInt)
  4254  		x := v_0
  4255  		if v_1.Op != OpARM64MOVDconst {
  4256  			break
  4257  		}
  4258  		c := auxIntToInt64(v_1.AuxInt)
  4259  		v.reset(OpARM64CMNconst)
  4260  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  4261  		v.AddArg(x)
  4262  		return true
  4263  	}
  4264  	return false
  4265  }
  4266  func rewriteValueARM64_OpARM64CMP(v *Value) bool {
  4267  	v_1 := v.Args[1]
  4268  	v_0 := v.Args[0]
  4269  	b := v.Block
  4270  	// match: (CMP x (MOVDconst [c]))
  4271  	// result: (CMPconst [c] x)
  4272  	for {
  4273  		x := v_0
  4274  		if v_1.Op != OpARM64MOVDconst {
  4275  			break
  4276  		}
  4277  		c := auxIntToInt64(v_1.AuxInt)
  4278  		v.reset(OpARM64CMPconst)
  4279  		v.AuxInt = int64ToAuxInt(c)
  4280  		v.AddArg(x)
  4281  		return true
  4282  	}
  4283  	// match: (CMP (MOVDconst [c]) x)
  4284  	// result: (InvertFlags (CMPconst [c] x))
  4285  	for {
  4286  		if v_0.Op != OpARM64MOVDconst {
  4287  			break
  4288  		}
  4289  		c := auxIntToInt64(v_0.AuxInt)
  4290  		x := v_1
  4291  		v.reset(OpARM64InvertFlags)
  4292  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4293  		v0.AuxInt = int64ToAuxInt(c)
  4294  		v0.AddArg(x)
  4295  		v.AddArg(v0)
  4296  		return true
  4297  	}
  4298  	// match: (CMP x y)
  4299  	// cond: canonLessThan(x,y)
  4300  	// result: (InvertFlags (CMP y x))
  4301  	for {
  4302  		x := v_0
  4303  		y := v_1
  4304  		if !(canonLessThan(x, y)) {
  4305  			break
  4306  		}
  4307  		v.reset(OpARM64InvertFlags)
  4308  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  4309  		v0.AddArg2(y, x)
  4310  		v.AddArg(v0)
  4311  		return true
  4312  	}
  4313  	// match: (CMP x0 x1:(SLLconst [c] y))
  4314  	// cond: clobberIfDead(x1)
  4315  	// result: (CMPshiftLL x0 y [c])
  4316  	for {
  4317  		x0 := v_0
  4318  		x1 := v_1
  4319  		if x1.Op != OpARM64SLLconst {
  4320  			break
  4321  		}
  4322  		c := auxIntToInt64(x1.AuxInt)
  4323  		y := x1.Args[0]
  4324  		if !(clobberIfDead(x1)) {
  4325  			break
  4326  		}
  4327  		v.reset(OpARM64CMPshiftLL)
  4328  		v.AuxInt = int64ToAuxInt(c)
  4329  		v.AddArg2(x0, y)
  4330  		return true
  4331  	}
  4332  	// match: (CMP x0:(SLLconst [c] y) x1)
  4333  	// cond: clobberIfDead(x0)
  4334  	// result: (InvertFlags (CMPshiftLL x1 y [c]))
  4335  	for {
  4336  		x0 := v_0
  4337  		if x0.Op != OpARM64SLLconst {
  4338  			break
  4339  		}
  4340  		c := auxIntToInt64(x0.AuxInt)
  4341  		y := x0.Args[0]
  4342  		x1 := v_1
  4343  		if !(clobberIfDead(x0)) {
  4344  			break
  4345  		}
  4346  		v.reset(OpARM64InvertFlags)
  4347  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags)
  4348  		v0.AuxInt = int64ToAuxInt(c)
  4349  		v0.AddArg2(x1, y)
  4350  		v.AddArg(v0)
  4351  		return true
  4352  	}
  4353  	// match: (CMP x0 x1:(SRLconst [c] y))
  4354  	// cond: clobberIfDead(x1)
  4355  	// result: (CMPshiftRL x0 y [c])
  4356  	for {
  4357  		x0 := v_0
  4358  		x1 := v_1
  4359  		if x1.Op != OpARM64SRLconst {
  4360  			break
  4361  		}
  4362  		c := auxIntToInt64(x1.AuxInt)
  4363  		y := x1.Args[0]
  4364  		if !(clobberIfDead(x1)) {
  4365  			break
  4366  		}
  4367  		v.reset(OpARM64CMPshiftRL)
  4368  		v.AuxInt = int64ToAuxInt(c)
  4369  		v.AddArg2(x0, y)
  4370  		return true
  4371  	}
  4372  	// match: (CMP x0:(SRLconst [c] y) x1)
  4373  	// cond: clobberIfDead(x0)
  4374  	// result: (InvertFlags (CMPshiftRL x1 y [c]))
  4375  	for {
  4376  		x0 := v_0
  4377  		if x0.Op != OpARM64SRLconst {
  4378  			break
  4379  		}
  4380  		c := auxIntToInt64(x0.AuxInt)
  4381  		y := x0.Args[0]
  4382  		x1 := v_1
  4383  		if !(clobberIfDead(x0)) {
  4384  			break
  4385  		}
  4386  		v.reset(OpARM64InvertFlags)
  4387  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags)
  4388  		v0.AuxInt = int64ToAuxInt(c)
  4389  		v0.AddArg2(x1, y)
  4390  		v.AddArg(v0)
  4391  		return true
  4392  	}
  4393  	// match: (CMP x0 x1:(SRAconst [c] y))
  4394  	// cond: clobberIfDead(x1)
  4395  	// result: (CMPshiftRA x0 y [c])
  4396  	for {
  4397  		x0 := v_0
  4398  		x1 := v_1
  4399  		if x1.Op != OpARM64SRAconst {
  4400  			break
  4401  		}
  4402  		c := auxIntToInt64(x1.AuxInt)
  4403  		y := x1.Args[0]
  4404  		if !(clobberIfDead(x1)) {
  4405  			break
  4406  		}
  4407  		v.reset(OpARM64CMPshiftRA)
  4408  		v.AuxInt = int64ToAuxInt(c)
  4409  		v.AddArg2(x0, y)
  4410  		return true
  4411  	}
  4412  	// match: (CMP x0:(SRAconst [c] y) x1)
  4413  	// cond: clobberIfDead(x0)
  4414  	// result: (InvertFlags (CMPshiftRA x1 y [c]))
  4415  	for {
  4416  		x0 := v_0
  4417  		if x0.Op != OpARM64SRAconst {
  4418  			break
  4419  		}
  4420  		c := auxIntToInt64(x0.AuxInt)
  4421  		y := x0.Args[0]
  4422  		x1 := v_1
  4423  		if !(clobberIfDead(x0)) {
  4424  			break
  4425  		}
  4426  		v.reset(OpARM64InvertFlags)
  4427  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags)
  4428  		v0.AuxInt = int64ToAuxInt(c)
  4429  		v0.AddArg2(x1, y)
  4430  		v.AddArg(v0)
  4431  		return true
  4432  	}
  4433  	return false
  4434  }
  4435  func rewriteValueARM64_OpARM64CMPW(v *Value) bool {
  4436  	v_1 := v.Args[1]
  4437  	v_0 := v.Args[0]
  4438  	b := v.Block
  4439  	// match: (CMPW x (MOVDconst [c]))
  4440  	// result: (CMPWconst [int32(c)] x)
  4441  	for {
  4442  		x := v_0
  4443  		if v_1.Op != OpARM64MOVDconst {
  4444  			break
  4445  		}
  4446  		c := auxIntToInt64(v_1.AuxInt)
  4447  		v.reset(OpARM64CMPWconst)
  4448  		v.AuxInt = int32ToAuxInt(int32(c))
  4449  		v.AddArg(x)
  4450  		return true
  4451  	}
  4452  	// match: (CMPW (MOVDconst [c]) x)
  4453  	// result: (InvertFlags (CMPWconst [int32(c)] x))
  4454  	for {
  4455  		if v_0.Op != OpARM64MOVDconst {
  4456  			break
  4457  		}
  4458  		c := auxIntToInt64(v_0.AuxInt)
  4459  		x := v_1
  4460  		v.reset(OpARM64InvertFlags)
  4461  		v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
  4462  		v0.AuxInt = int32ToAuxInt(int32(c))
  4463  		v0.AddArg(x)
  4464  		v.AddArg(v0)
  4465  		return true
  4466  	}
  4467  	// match: (CMPW x y)
  4468  	// cond: canonLessThan(x,y)
  4469  	// result: (InvertFlags (CMPW y x))
  4470  	for {
  4471  		x := v_0
  4472  		y := v_1
  4473  		if !(canonLessThan(x, y)) {
  4474  			break
  4475  		}
  4476  		v.reset(OpARM64InvertFlags)
  4477  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  4478  		v0.AddArg2(y, x)
  4479  		v.AddArg(v0)
  4480  		return true
  4481  	}
  4482  	return false
  4483  }
  4484  func rewriteValueARM64_OpARM64CMPWconst(v *Value) bool {
  4485  	v_0 := v.Args[0]
  4486  	// match: (CMPWconst [c] y)
  4487  	// cond: c < 0 && c != -1<<31
  4488  	// result: (CMNWconst [-c] y)
  4489  	for {
  4490  		c := auxIntToInt32(v.AuxInt)
  4491  		y := v_0
  4492  		if !(c < 0 && c != -1<<31) {
  4493  			break
  4494  		}
  4495  		v.reset(OpARM64CMNWconst)
  4496  		v.AuxInt = int32ToAuxInt(-c)
  4497  		v.AddArg(y)
  4498  		return true
  4499  	}
  4500  	// match: (CMPWconst (MOVDconst [x]) [y])
  4501  	// result: (FlagConstant [subFlags32(int32(x),y)])
  4502  	for {
  4503  		y := auxIntToInt32(v.AuxInt)
  4504  		if v_0.Op != OpARM64MOVDconst {
  4505  			break
  4506  		}
  4507  		x := auxIntToInt64(v_0.AuxInt)
  4508  		v.reset(OpARM64FlagConstant)
  4509  		v.AuxInt = flagConstantToAuxInt(subFlags32(int32(x), y))
  4510  		return true
  4511  	}
  4512  	// match: (CMPWconst (MOVBUreg _) [c])
  4513  	// cond: 0xff < c
  4514  	// result: (FlagConstant [subFlags64(0,1)])
  4515  	for {
  4516  		c := auxIntToInt32(v.AuxInt)
  4517  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  4518  			break
  4519  		}
  4520  		v.reset(OpARM64FlagConstant)
  4521  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4522  		return true
  4523  	}
  4524  	// match: (CMPWconst (MOVHUreg _) [c])
  4525  	// cond: 0xffff < c
  4526  	// result: (FlagConstant [subFlags64(0,1)])
  4527  	for {
  4528  		c := auxIntToInt32(v.AuxInt)
  4529  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  4530  			break
  4531  		}
  4532  		v.reset(OpARM64FlagConstant)
  4533  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4534  		return true
  4535  	}
  4536  	return false
  4537  }
  4538  func rewriteValueARM64_OpARM64CMPconst(v *Value) bool {
  4539  	v_0 := v.Args[0]
  4540  	// match: (CMPconst [c] y)
  4541  	// cond: c < 0 && c != -1<<63
  4542  	// result: (CMNconst [-c] y)
  4543  	for {
  4544  		c := auxIntToInt64(v.AuxInt)
  4545  		y := v_0
  4546  		if !(c < 0 && c != -1<<63) {
  4547  			break
  4548  		}
  4549  		v.reset(OpARM64CMNconst)
  4550  		v.AuxInt = int64ToAuxInt(-c)
  4551  		v.AddArg(y)
  4552  		return true
  4553  	}
  4554  	// match: (CMPconst (MOVDconst [x]) [y])
  4555  	// result: (FlagConstant [subFlags64(x,y)])
  4556  	for {
  4557  		y := auxIntToInt64(v.AuxInt)
  4558  		if v_0.Op != OpARM64MOVDconst {
  4559  			break
  4560  		}
  4561  		x := auxIntToInt64(v_0.AuxInt)
  4562  		v.reset(OpARM64FlagConstant)
  4563  		v.AuxInt = flagConstantToAuxInt(subFlags64(x, y))
  4564  		return true
  4565  	}
  4566  	// match: (CMPconst (MOVBUreg _) [c])
  4567  	// cond: 0xff < c
  4568  	// result: (FlagConstant [subFlags64(0,1)])
  4569  	for {
  4570  		c := auxIntToInt64(v.AuxInt)
  4571  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  4572  			break
  4573  		}
  4574  		v.reset(OpARM64FlagConstant)
  4575  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4576  		return true
  4577  	}
  4578  	// match: (CMPconst (MOVHUreg _) [c])
  4579  	// cond: 0xffff < c
  4580  	// result: (FlagConstant [subFlags64(0,1)])
  4581  	for {
  4582  		c := auxIntToInt64(v.AuxInt)
  4583  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  4584  			break
  4585  		}
  4586  		v.reset(OpARM64FlagConstant)
  4587  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4588  		return true
  4589  	}
  4590  	// match: (CMPconst (MOVWUreg _) [c])
  4591  	// cond: 0xffffffff < c
  4592  	// result: (FlagConstant [subFlags64(0,1)])
  4593  	for {
  4594  		c := auxIntToInt64(v.AuxInt)
  4595  		if v_0.Op != OpARM64MOVWUreg || !(0xffffffff < c) {
  4596  			break
  4597  		}
  4598  		v.reset(OpARM64FlagConstant)
  4599  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4600  		return true
  4601  	}
  4602  	// match: (CMPconst (ANDconst _ [m]) [n])
  4603  	// cond: 0 <= m && m < n
  4604  	// result: (FlagConstant [subFlags64(0,1)])
  4605  	for {
  4606  		n := auxIntToInt64(v.AuxInt)
  4607  		if v_0.Op != OpARM64ANDconst {
  4608  			break
  4609  		}
  4610  		m := auxIntToInt64(v_0.AuxInt)
  4611  		if !(0 <= m && m < n) {
  4612  			break
  4613  		}
  4614  		v.reset(OpARM64FlagConstant)
  4615  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4616  		return true
  4617  	}
  4618  	// match: (CMPconst (SRLconst _ [c]) [n])
  4619  	// cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)
  4620  	// result: (FlagConstant [subFlags64(0,1)])
  4621  	for {
  4622  		n := auxIntToInt64(v.AuxInt)
  4623  		if v_0.Op != OpARM64SRLconst {
  4624  			break
  4625  		}
  4626  		c := auxIntToInt64(v_0.AuxInt)
  4627  		if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) {
  4628  			break
  4629  		}
  4630  		v.reset(OpARM64FlagConstant)
  4631  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4632  		return true
  4633  	}
  4634  	return false
  4635  }
  4636  func rewriteValueARM64_OpARM64CMPshiftLL(v *Value) bool {
  4637  	v_1 := v.Args[1]
  4638  	v_0 := v.Args[0]
  4639  	b := v.Block
  4640  	// match: (CMPshiftLL (MOVDconst [c]) x [d])
  4641  	// result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d])))
  4642  	for {
  4643  		d := auxIntToInt64(v.AuxInt)
  4644  		if v_0.Op != OpARM64MOVDconst {
  4645  			break
  4646  		}
  4647  		c := auxIntToInt64(v_0.AuxInt)
  4648  		x := v_1
  4649  		v.reset(OpARM64InvertFlags)
  4650  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4651  		v0.AuxInt = int64ToAuxInt(c)
  4652  		v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  4653  		v1.AuxInt = int64ToAuxInt(d)
  4654  		v1.AddArg(x)
  4655  		v0.AddArg(v1)
  4656  		v.AddArg(v0)
  4657  		return true
  4658  	}
  4659  	// match: (CMPshiftLL x (MOVDconst [c]) [d])
  4660  	// result: (CMPconst x [int64(uint64(c)<<uint64(d))])
  4661  	for {
  4662  		d := auxIntToInt64(v.AuxInt)
  4663  		x := v_0
  4664  		if v_1.Op != OpARM64MOVDconst {
  4665  			break
  4666  		}
  4667  		c := auxIntToInt64(v_1.AuxInt)
  4668  		v.reset(OpARM64CMPconst)
  4669  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  4670  		v.AddArg(x)
  4671  		return true
  4672  	}
  4673  	return false
  4674  }
  4675  func rewriteValueARM64_OpARM64CMPshiftRA(v *Value) bool {
  4676  	v_1 := v.Args[1]
  4677  	v_0 := v.Args[0]
  4678  	b := v.Block
  4679  	// match: (CMPshiftRA (MOVDconst [c]) x [d])
  4680  	// result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d])))
  4681  	for {
  4682  		d := auxIntToInt64(v.AuxInt)
  4683  		if v_0.Op != OpARM64MOVDconst {
  4684  			break
  4685  		}
  4686  		c := auxIntToInt64(v_0.AuxInt)
  4687  		x := v_1
  4688  		v.reset(OpARM64InvertFlags)
  4689  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4690  		v0.AuxInt = int64ToAuxInt(c)
  4691  		v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  4692  		v1.AuxInt = int64ToAuxInt(d)
  4693  		v1.AddArg(x)
  4694  		v0.AddArg(v1)
  4695  		v.AddArg(v0)
  4696  		return true
  4697  	}
  4698  	// match: (CMPshiftRA x (MOVDconst [c]) [d])
  4699  	// result: (CMPconst x [c>>uint64(d)])
  4700  	for {
  4701  		d := auxIntToInt64(v.AuxInt)
  4702  		x := v_0
  4703  		if v_1.Op != OpARM64MOVDconst {
  4704  			break
  4705  		}
  4706  		c := auxIntToInt64(v_1.AuxInt)
  4707  		v.reset(OpARM64CMPconst)
  4708  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  4709  		v.AddArg(x)
  4710  		return true
  4711  	}
  4712  	return false
  4713  }
  4714  func rewriteValueARM64_OpARM64CMPshiftRL(v *Value) bool {
  4715  	v_1 := v.Args[1]
  4716  	v_0 := v.Args[0]
  4717  	b := v.Block
  4718  	// match: (CMPshiftRL (MOVDconst [c]) x [d])
  4719  	// result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d])))
  4720  	for {
  4721  		d := auxIntToInt64(v.AuxInt)
  4722  		if v_0.Op != OpARM64MOVDconst {
  4723  			break
  4724  		}
  4725  		c := auxIntToInt64(v_0.AuxInt)
  4726  		x := v_1
  4727  		v.reset(OpARM64InvertFlags)
  4728  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4729  		v0.AuxInt = int64ToAuxInt(c)
  4730  		v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  4731  		v1.AuxInt = int64ToAuxInt(d)
  4732  		v1.AddArg(x)
  4733  		v0.AddArg(v1)
  4734  		v.AddArg(v0)
  4735  		return true
  4736  	}
  4737  	// match: (CMPshiftRL x (MOVDconst [c]) [d])
  4738  	// result: (CMPconst x [int64(uint64(c)>>uint64(d))])
  4739  	for {
  4740  		d := auxIntToInt64(v.AuxInt)
  4741  		x := v_0
  4742  		if v_1.Op != OpARM64MOVDconst {
  4743  			break
  4744  		}
  4745  		c := auxIntToInt64(v_1.AuxInt)
  4746  		v.reset(OpARM64CMPconst)
  4747  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  4748  		v.AddArg(x)
  4749  		return true
  4750  	}
  4751  	return false
  4752  }
  4753  func rewriteValueARM64_OpARM64CSEL(v *Value) bool {
  4754  	v_2 := v.Args[2]
  4755  	v_1 := v.Args[1]
  4756  	v_0 := v.Args[0]
  4757  	// match: (CSEL [cc] (MOVDconst [-1]) (MOVDconst [0]) flag)
  4758  	// result: (CSETM [cc] flag)
  4759  	for {
  4760  		cc := auxIntToOp(v.AuxInt)
  4761  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != -1 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4762  			break
  4763  		}
  4764  		flag := v_2
  4765  		v.reset(OpARM64CSETM)
  4766  		v.AuxInt = opToAuxInt(cc)
  4767  		v.AddArg(flag)
  4768  		return true
  4769  	}
  4770  	// match: (CSEL [cc] (MOVDconst [0]) (MOVDconst [-1]) flag)
  4771  	// result: (CSETM [arm64Negate(cc)] flag)
  4772  	for {
  4773  		cc := auxIntToOp(v.AuxInt)
  4774  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  4775  			break
  4776  		}
  4777  		flag := v_2
  4778  		v.reset(OpARM64CSETM)
  4779  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4780  		v.AddArg(flag)
  4781  		return true
  4782  	}
  4783  	// match: (CSEL [cc] x (MOVDconst [0]) flag)
  4784  	// result: (CSEL0 [cc] x flag)
  4785  	for {
  4786  		cc := auxIntToOp(v.AuxInt)
  4787  		x := v_0
  4788  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4789  			break
  4790  		}
  4791  		flag := v_2
  4792  		v.reset(OpARM64CSEL0)
  4793  		v.AuxInt = opToAuxInt(cc)
  4794  		v.AddArg2(x, flag)
  4795  		return true
  4796  	}
  4797  	// match: (CSEL [cc] (MOVDconst [0]) y flag)
  4798  	// result: (CSEL0 [arm64Negate(cc)] y flag)
  4799  	for {
  4800  		cc := auxIntToOp(v.AuxInt)
  4801  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4802  			break
  4803  		}
  4804  		y := v_1
  4805  		flag := v_2
  4806  		v.reset(OpARM64CSEL0)
  4807  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4808  		v.AddArg2(y, flag)
  4809  		return true
  4810  	}
  4811  	// match: (CSEL [cc] x (ADDconst [1] a) flag)
  4812  	// result: (CSINC [cc] x a flag)
  4813  	for {
  4814  		cc := auxIntToOp(v.AuxInt)
  4815  		x := v_0
  4816  		if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  4817  			break
  4818  		}
  4819  		a := v_1.Args[0]
  4820  		flag := v_2
  4821  		v.reset(OpARM64CSINC)
  4822  		v.AuxInt = opToAuxInt(cc)
  4823  		v.AddArg3(x, a, flag)
  4824  		return true
  4825  	}
  4826  	// match: (CSEL [cc] (ADDconst [1] a) x flag)
  4827  	// result: (CSINC [arm64Negate(cc)] x a flag)
  4828  	for {
  4829  		cc := auxIntToOp(v.AuxInt)
  4830  		if v_0.Op != OpARM64ADDconst || auxIntToInt64(v_0.AuxInt) != 1 {
  4831  			break
  4832  		}
  4833  		a := v_0.Args[0]
  4834  		x := v_1
  4835  		flag := v_2
  4836  		v.reset(OpARM64CSINC)
  4837  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4838  		v.AddArg3(x, a, flag)
  4839  		return true
  4840  	}
  4841  	// match: (CSEL [cc] x (MVN a) flag)
  4842  	// result: (CSINV [cc] x a flag)
  4843  	for {
  4844  		cc := auxIntToOp(v.AuxInt)
  4845  		x := v_0
  4846  		if v_1.Op != OpARM64MVN {
  4847  			break
  4848  		}
  4849  		a := v_1.Args[0]
  4850  		flag := v_2
  4851  		v.reset(OpARM64CSINV)
  4852  		v.AuxInt = opToAuxInt(cc)
  4853  		v.AddArg3(x, a, flag)
  4854  		return true
  4855  	}
  4856  	// match: (CSEL [cc] (MVN a) x flag)
  4857  	// result: (CSINV [arm64Negate(cc)] x a flag)
  4858  	for {
  4859  		cc := auxIntToOp(v.AuxInt)
  4860  		if v_0.Op != OpARM64MVN {
  4861  			break
  4862  		}
  4863  		a := v_0.Args[0]
  4864  		x := v_1
  4865  		flag := v_2
  4866  		v.reset(OpARM64CSINV)
  4867  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4868  		v.AddArg3(x, a, flag)
  4869  		return true
  4870  	}
  4871  	// match: (CSEL [cc] x (NEG a) flag)
  4872  	// result: (CSNEG [cc] x a flag)
  4873  	for {
  4874  		cc := auxIntToOp(v.AuxInt)
  4875  		x := v_0
  4876  		if v_1.Op != OpARM64NEG {
  4877  			break
  4878  		}
  4879  		a := v_1.Args[0]
  4880  		flag := v_2
  4881  		v.reset(OpARM64CSNEG)
  4882  		v.AuxInt = opToAuxInt(cc)
  4883  		v.AddArg3(x, a, flag)
  4884  		return true
  4885  	}
  4886  	// match: (CSEL [cc] (NEG a) x flag)
  4887  	// result: (CSNEG [arm64Negate(cc)] x a flag)
  4888  	for {
  4889  		cc := auxIntToOp(v.AuxInt)
  4890  		if v_0.Op != OpARM64NEG {
  4891  			break
  4892  		}
  4893  		a := v_0.Args[0]
  4894  		x := v_1
  4895  		flag := v_2
  4896  		v.reset(OpARM64CSNEG)
  4897  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4898  		v.AddArg3(x, a, flag)
  4899  		return true
  4900  	}
  4901  	// match: (CSEL [cc] x y (InvertFlags cmp))
  4902  	// result: (CSEL [arm64Invert(cc)] x y cmp)
  4903  	for {
  4904  		cc := auxIntToOp(v.AuxInt)
  4905  		x := v_0
  4906  		y := v_1
  4907  		if v_2.Op != OpARM64InvertFlags {
  4908  			break
  4909  		}
  4910  		cmp := v_2.Args[0]
  4911  		v.reset(OpARM64CSEL)
  4912  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  4913  		v.AddArg3(x, y, cmp)
  4914  		return true
  4915  	}
  4916  	// match: (CSEL [cc] x _ flag)
  4917  	// cond: ccARM64Eval(cc, flag) > 0
  4918  	// result: x
  4919  	for {
  4920  		cc := auxIntToOp(v.AuxInt)
  4921  		x := v_0
  4922  		flag := v_2
  4923  		if !(ccARM64Eval(cc, flag) > 0) {
  4924  			break
  4925  		}
  4926  		v.copyOf(x)
  4927  		return true
  4928  	}
  4929  	// match: (CSEL [cc] _ y flag)
  4930  	// cond: ccARM64Eval(cc, flag) < 0
  4931  	// result: y
  4932  	for {
  4933  		cc := auxIntToOp(v.AuxInt)
  4934  		y := v_1
  4935  		flag := v_2
  4936  		if !(ccARM64Eval(cc, flag) < 0) {
  4937  			break
  4938  		}
  4939  		v.copyOf(y)
  4940  		return true
  4941  	}
  4942  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  4943  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  4944  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
  4945  	for {
  4946  		cc := auxIntToOp(v.AuxInt)
  4947  		x := v_0
  4948  		y := v_1
  4949  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  4950  			break
  4951  		}
  4952  		boolval := v_2.Args[0]
  4953  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  4954  			break
  4955  		}
  4956  		v.reset(OpARM64CSEL)
  4957  		v.AuxInt = opToAuxInt(boolval.Op)
  4958  		v.AddArg3(x, y, flagArg(boolval))
  4959  		return true
  4960  	}
  4961  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  4962  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  4963  	// result: (CSEL [arm64Negate(boolval.Op)] x y flagArg(boolval))
  4964  	for {
  4965  		cc := auxIntToOp(v.AuxInt)
  4966  		x := v_0
  4967  		y := v_1
  4968  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  4969  			break
  4970  		}
  4971  		boolval := v_2.Args[0]
  4972  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  4973  			break
  4974  		}
  4975  		v.reset(OpARM64CSEL)
  4976  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  4977  		v.AddArg3(x, y, flagArg(boolval))
  4978  		return true
  4979  	}
  4980  	return false
  4981  }
  4982  func rewriteValueARM64_OpARM64CSEL0(v *Value) bool {
  4983  	v_1 := v.Args[1]
  4984  	v_0 := v.Args[0]
  4985  	// match: (CSEL0 [cc] x (InvertFlags cmp))
  4986  	// result: (CSEL0 [arm64Invert(cc)] x cmp)
  4987  	for {
  4988  		cc := auxIntToOp(v.AuxInt)
  4989  		x := v_0
  4990  		if v_1.Op != OpARM64InvertFlags {
  4991  			break
  4992  		}
  4993  		cmp := v_1.Args[0]
  4994  		v.reset(OpARM64CSEL0)
  4995  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  4996  		v.AddArg2(x, cmp)
  4997  		return true
  4998  	}
  4999  	// match: (CSEL0 [cc] x flag)
  5000  	// cond: ccARM64Eval(cc, flag) > 0
  5001  	// result: x
  5002  	for {
  5003  		cc := auxIntToOp(v.AuxInt)
  5004  		x := v_0
  5005  		flag := v_1
  5006  		if !(ccARM64Eval(cc, flag) > 0) {
  5007  			break
  5008  		}
  5009  		v.copyOf(x)
  5010  		return true
  5011  	}
  5012  	// match: (CSEL0 [cc] _ flag)
  5013  	// cond: ccARM64Eval(cc, flag) < 0
  5014  	// result: (MOVDconst [0])
  5015  	for {
  5016  		cc := auxIntToOp(v.AuxInt)
  5017  		flag := v_1
  5018  		if !(ccARM64Eval(cc, flag) < 0) {
  5019  			break
  5020  		}
  5021  		v.reset(OpARM64MOVDconst)
  5022  		v.AuxInt = int64ToAuxInt(0)
  5023  		return true
  5024  	}
  5025  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  5026  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  5027  	// result: (CSEL0 [boolval.Op] x flagArg(boolval))
  5028  	for {
  5029  		cc := auxIntToOp(v.AuxInt)
  5030  		x := v_0
  5031  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  5032  			break
  5033  		}
  5034  		boolval := v_1.Args[0]
  5035  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  5036  			break
  5037  		}
  5038  		v.reset(OpARM64CSEL0)
  5039  		v.AuxInt = opToAuxInt(boolval.Op)
  5040  		v.AddArg2(x, flagArg(boolval))
  5041  		return true
  5042  	}
  5043  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  5044  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  5045  	// result: (CSEL0 [arm64Negate(boolval.Op)] x flagArg(boolval))
  5046  	for {
  5047  		cc := auxIntToOp(v.AuxInt)
  5048  		x := v_0
  5049  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  5050  			break
  5051  		}
  5052  		boolval := v_1.Args[0]
  5053  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  5054  			break
  5055  		}
  5056  		v.reset(OpARM64CSEL0)
  5057  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  5058  		v.AddArg2(x, flagArg(boolval))
  5059  		return true
  5060  	}
  5061  	return false
  5062  }
  5063  func rewriteValueARM64_OpARM64CSETM(v *Value) bool {
  5064  	v_0 := v.Args[0]
  5065  	// match: (CSETM [cc] (InvertFlags cmp))
  5066  	// result: (CSETM [arm64Invert(cc)] cmp)
  5067  	for {
  5068  		cc := auxIntToOp(v.AuxInt)
  5069  		if v_0.Op != OpARM64InvertFlags {
  5070  			break
  5071  		}
  5072  		cmp := v_0.Args[0]
  5073  		v.reset(OpARM64CSETM)
  5074  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5075  		v.AddArg(cmp)
  5076  		return true
  5077  	}
  5078  	// match: (CSETM [cc] flag)
  5079  	// cond: ccARM64Eval(cc, flag) > 0
  5080  	// result: (MOVDconst [-1])
  5081  	for {
  5082  		cc := auxIntToOp(v.AuxInt)
  5083  		flag := v_0
  5084  		if !(ccARM64Eval(cc, flag) > 0) {
  5085  			break
  5086  		}
  5087  		v.reset(OpARM64MOVDconst)
  5088  		v.AuxInt = int64ToAuxInt(-1)
  5089  		return true
  5090  	}
  5091  	// match: (CSETM [cc] flag)
  5092  	// cond: ccARM64Eval(cc, flag) < 0
  5093  	// result: (MOVDconst [0])
  5094  	for {
  5095  		cc := auxIntToOp(v.AuxInt)
  5096  		flag := v_0
  5097  		if !(ccARM64Eval(cc, flag) < 0) {
  5098  			break
  5099  		}
  5100  		v.reset(OpARM64MOVDconst)
  5101  		v.AuxInt = int64ToAuxInt(0)
  5102  		return true
  5103  	}
  5104  	return false
  5105  }
  5106  func rewriteValueARM64_OpARM64CSINC(v *Value) bool {
  5107  	v_2 := v.Args[2]
  5108  	v_1 := v.Args[1]
  5109  	v_0 := v.Args[0]
  5110  	// match: (CSINC [cc] x y (InvertFlags cmp))
  5111  	// result: (CSINC [arm64Invert(cc)] x y cmp)
  5112  	for {
  5113  		cc := auxIntToOp(v.AuxInt)
  5114  		x := v_0
  5115  		y := v_1
  5116  		if v_2.Op != OpARM64InvertFlags {
  5117  			break
  5118  		}
  5119  		cmp := v_2.Args[0]
  5120  		v.reset(OpARM64CSINC)
  5121  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5122  		v.AddArg3(x, y, cmp)
  5123  		return true
  5124  	}
  5125  	// match: (CSINC [cc] x _ flag)
  5126  	// cond: ccARM64Eval(cc, flag) > 0
  5127  	// result: x
  5128  	for {
  5129  		cc := auxIntToOp(v.AuxInt)
  5130  		x := v_0
  5131  		flag := v_2
  5132  		if !(ccARM64Eval(cc, flag) > 0) {
  5133  			break
  5134  		}
  5135  		v.copyOf(x)
  5136  		return true
  5137  	}
  5138  	// match: (CSINC [cc] _ y flag)
  5139  	// cond: ccARM64Eval(cc, flag) < 0
  5140  	// result: (ADDconst [1] y)
  5141  	for {
  5142  		cc := auxIntToOp(v.AuxInt)
  5143  		y := v_1
  5144  		flag := v_2
  5145  		if !(ccARM64Eval(cc, flag) < 0) {
  5146  			break
  5147  		}
  5148  		v.reset(OpARM64ADDconst)
  5149  		v.AuxInt = int64ToAuxInt(1)
  5150  		v.AddArg(y)
  5151  		return true
  5152  	}
  5153  	return false
  5154  }
  5155  func rewriteValueARM64_OpARM64CSINV(v *Value) bool {
  5156  	v_2 := v.Args[2]
  5157  	v_1 := v.Args[1]
  5158  	v_0 := v.Args[0]
  5159  	// match: (CSINV [cc] x y (InvertFlags cmp))
  5160  	// result: (CSINV [arm64Invert(cc)] x y cmp)
  5161  	for {
  5162  		cc := auxIntToOp(v.AuxInt)
  5163  		x := v_0
  5164  		y := v_1
  5165  		if v_2.Op != OpARM64InvertFlags {
  5166  			break
  5167  		}
  5168  		cmp := v_2.Args[0]
  5169  		v.reset(OpARM64CSINV)
  5170  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5171  		v.AddArg3(x, y, cmp)
  5172  		return true
  5173  	}
  5174  	// match: (CSINV [cc] x _ flag)
  5175  	// cond: ccARM64Eval(cc, flag) > 0
  5176  	// result: x
  5177  	for {
  5178  		cc := auxIntToOp(v.AuxInt)
  5179  		x := v_0
  5180  		flag := v_2
  5181  		if !(ccARM64Eval(cc, flag) > 0) {
  5182  			break
  5183  		}
  5184  		v.copyOf(x)
  5185  		return true
  5186  	}
  5187  	// match: (CSINV [cc] _ y flag)
  5188  	// cond: ccARM64Eval(cc, flag) < 0
  5189  	// result: (Not y)
  5190  	for {
  5191  		cc := auxIntToOp(v.AuxInt)
  5192  		y := v_1
  5193  		flag := v_2
  5194  		if !(ccARM64Eval(cc, flag) < 0) {
  5195  			break
  5196  		}
  5197  		v.reset(OpNot)
  5198  		v.AddArg(y)
  5199  		return true
  5200  	}
  5201  	return false
  5202  }
  5203  func rewriteValueARM64_OpARM64CSNEG(v *Value) bool {
  5204  	v_2 := v.Args[2]
  5205  	v_1 := v.Args[1]
  5206  	v_0 := v.Args[0]
  5207  	// match: (CSNEG [cc] x y (InvertFlags cmp))
  5208  	// result: (CSNEG [arm64Invert(cc)] x y cmp)
  5209  	for {
  5210  		cc := auxIntToOp(v.AuxInt)
  5211  		x := v_0
  5212  		y := v_1
  5213  		if v_2.Op != OpARM64InvertFlags {
  5214  			break
  5215  		}
  5216  		cmp := v_2.Args[0]
  5217  		v.reset(OpARM64CSNEG)
  5218  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5219  		v.AddArg3(x, y, cmp)
  5220  		return true
  5221  	}
  5222  	// match: (CSNEG [cc] x _ flag)
  5223  	// cond: ccARM64Eval(cc, flag) > 0
  5224  	// result: x
  5225  	for {
  5226  		cc := auxIntToOp(v.AuxInt)
  5227  		x := v_0
  5228  		flag := v_2
  5229  		if !(ccARM64Eval(cc, flag) > 0) {
  5230  			break
  5231  		}
  5232  		v.copyOf(x)
  5233  		return true
  5234  	}
  5235  	// match: (CSNEG [cc] _ y flag)
  5236  	// cond: ccARM64Eval(cc, flag) < 0
  5237  	// result: (NEG y)
  5238  	for {
  5239  		cc := auxIntToOp(v.AuxInt)
  5240  		y := v_1
  5241  		flag := v_2
  5242  		if !(ccARM64Eval(cc, flag) < 0) {
  5243  			break
  5244  		}
  5245  		v.reset(OpARM64NEG)
  5246  		v.AddArg(y)
  5247  		return true
  5248  	}
  5249  	return false
  5250  }
  5251  func rewriteValueARM64_OpARM64DIV(v *Value) bool {
  5252  	v_1 := v.Args[1]
  5253  	v_0 := v.Args[0]
  5254  	// match: (DIV (MOVDconst [c]) (MOVDconst [d]))
  5255  	// cond: d != 0
  5256  	// result: (MOVDconst [c/d])
  5257  	for {
  5258  		if v_0.Op != OpARM64MOVDconst {
  5259  			break
  5260  		}
  5261  		c := auxIntToInt64(v_0.AuxInt)
  5262  		if v_1.Op != OpARM64MOVDconst {
  5263  			break
  5264  		}
  5265  		d := auxIntToInt64(v_1.AuxInt)
  5266  		if !(d != 0) {
  5267  			break
  5268  		}
  5269  		v.reset(OpARM64MOVDconst)
  5270  		v.AuxInt = int64ToAuxInt(c / d)
  5271  		return true
  5272  	}
  5273  	return false
  5274  }
  5275  func rewriteValueARM64_OpARM64DIVW(v *Value) bool {
  5276  	v_1 := v.Args[1]
  5277  	v_0 := v.Args[0]
  5278  	// match: (DIVW (MOVDconst [c]) (MOVDconst [d]))
  5279  	// cond: d != 0
  5280  	// result: (MOVDconst [int64(uint32(int32(c)/int32(d)))])
  5281  	for {
  5282  		if v_0.Op != OpARM64MOVDconst {
  5283  			break
  5284  		}
  5285  		c := auxIntToInt64(v_0.AuxInt)
  5286  		if v_1.Op != OpARM64MOVDconst {
  5287  			break
  5288  		}
  5289  		d := auxIntToInt64(v_1.AuxInt)
  5290  		if !(d != 0) {
  5291  			break
  5292  		}
  5293  		v.reset(OpARM64MOVDconst)
  5294  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) / int32(d))))
  5295  		return true
  5296  	}
  5297  	return false
  5298  }
  5299  func rewriteValueARM64_OpARM64EON(v *Value) bool {
  5300  	v_1 := v.Args[1]
  5301  	v_0 := v.Args[0]
  5302  	// match: (EON x (MOVDconst [c]))
  5303  	// result: (XORconst [^c] x)
  5304  	for {
  5305  		x := v_0
  5306  		if v_1.Op != OpARM64MOVDconst {
  5307  			break
  5308  		}
  5309  		c := auxIntToInt64(v_1.AuxInt)
  5310  		v.reset(OpARM64XORconst)
  5311  		v.AuxInt = int64ToAuxInt(^c)
  5312  		v.AddArg(x)
  5313  		return true
  5314  	}
  5315  	// match: (EON x x)
  5316  	// result: (MOVDconst [-1])
  5317  	for {
  5318  		x := v_0
  5319  		if x != v_1 {
  5320  			break
  5321  		}
  5322  		v.reset(OpARM64MOVDconst)
  5323  		v.AuxInt = int64ToAuxInt(-1)
  5324  		return true
  5325  	}
  5326  	// match: (EON x0 x1:(SLLconst [c] y))
  5327  	// cond: clobberIfDead(x1)
  5328  	// result: (EONshiftLL x0 y [c])
  5329  	for {
  5330  		x0 := v_0
  5331  		x1 := v_1
  5332  		if x1.Op != OpARM64SLLconst {
  5333  			break
  5334  		}
  5335  		c := auxIntToInt64(x1.AuxInt)
  5336  		y := x1.Args[0]
  5337  		if !(clobberIfDead(x1)) {
  5338  			break
  5339  		}
  5340  		v.reset(OpARM64EONshiftLL)
  5341  		v.AuxInt = int64ToAuxInt(c)
  5342  		v.AddArg2(x0, y)
  5343  		return true
  5344  	}
  5345  	// match: (EON x0 x1:(SRLconst [c] y))
  5346  	// cond: clobberIfDead(x1)
  5347  	// result: (EONshiftRL x0 y [c])
  5348  	for {
  5349  		x0 := v_0
  5350  		x1 := v_1
  5351  		if x1.Op != OpARM64SRLconst {
  5352  			break
  5353  		}
  5354  		c := auxIntToInt64(x1.AuxInt)
  5355  		y := x1.Args[0]
  5356  		if !(clobberIfDead(x1)) {
  5357  			break
  5358  		}
  5359  		v.reset(OpARM64EONshiftRL)
  5360  		v.AuxInt = int64ToAuxInt(c)
  5361  		v.AddArg2(x0, y)
  5362  		return true
  5363  	}
  5364  	// match: (EON x0 x1:(SRAconst [c] y))
  5365  	// cond: clobberIfDead(x1)
  5366  	// result: (EONshiftRA x0 y [c])
  5367  	for {
  5368  		x0 := v_0
  5369  		x1 := v_1
  5370  		if x1.Op != OpARM64SRAconst {
  5371  			break
  5372  		}
  5373  		c := auxIntToInt64(x1.AuxInt)
  5374  		y := x1.Args[0]
  5375  		if !(clobberIfDead(x1)) {
  5376  			break
  5377  		}
  5378  		v.reset(OpARM64EONshiftRA)
  5379  		v.AuxInt = int64ToAuxInt(c)
  5380  		v.AddArg2(x0, y)
  5381  		return true
  5382  	}
  5383  	// match: (EON x0 x1:(RORconst [c] y))
  5384  	// cond: clobberIfDead(x1)
  5385  	// result: (EONshiftRO x0 y [c])
  5386  	for {
  5387  		x0 := v_0
  5388  		x1 := v_1
  5389  		if x1.Op != OpARM64RORconst {
  5390  			break
  5391  		}
  5392  		c := auxIntToInt64(x1.AuxInt)
  5393  		y := x1.Args[0]
  5394  		if !(clobberIfDead(x1)) {
  5395  			break
  5396  		}
  5397  		v.reset(OpARM64EONshiftRO)
  5398  		v.AuxInt = int64ToAuxInt(c)
  5399  		v.AddArg2(x0, y)
  5400  		return true
  5401  	}
  5402  	return false
  5403  }
  5404  func rewriteValueARM64_OpARM64EONshiftLL(v *Value) bool {
  5405  	v_1 := v.Args[1]
  5406  	v_0 := v.Args[0]
  5407  	// match: (EONshiftLL x (MOVDconst [c]) [d])
  5408  	// result: (XORconst x [^int64(uint64(c)<<uint64(d))])
  5409  	for {
  5410  		d := auxIntToInt64(v.AuxInt)
  5411  		x := v_0
  5412  		if v_1.Op != OpARM64MOVDconst {
  5413  			break
  5414  		}
  5415  		c := auxIntToInt64(v_1.AuxInt)
  5416  		v.reset(OpARM64XORconst)
  5417  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  5418  		v.AddArg(x)
  5419  		return true
  5420  	}
  5421  	// match: (EONshiftLL (SLLconst x [c]) x [c])
  5422  	// result: (MOVDconst [-1])
  5423  	for {
  5424  		c := auxIntToInt64(v.AuxInt)
  5425  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  5426  			break
  5427  		}
  5428  		x := v_0.Args[0]
  5429  		if x != v_1 {
  5430  			break
  5431  		}
  5432  		v.reset(OpARM64MOVDconst)
  5433  		v.AuxInt = int64ToAuxInt(-1)
  5434  		return true
  5435  	}
  5436  	return false
  5437  }
  5438  func rewriteValueARM64_OpARM64EONshiftRA(v *Value) bool {
  5439  	v_1 := v.Args[1]
  5440  	v_0 := v.Args[0]
  5441  	// match: (EONshiftRA x (MOVDconst [c]) [d])
  5442  	// result: (XORconst x [^(c>>uint64(d))])
  5443  	for {
  5444  		d := auxIntToInt64(v.AuxInt)
  5445  		x := v_0
  5446  		if v_1.Op != OpARM64MOVDconst {
  5447  			break
  5448  		}
  5449  		c := auxIntToInt64(v_1.AuxInt)
  5450  		v.reset(OpARM64XORconst)
  5451  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  5452  		v.AddArg(x)
  5453  		return true
  5454  	}
  5455  	// match: (EONshiftRA (SRAconst x [c]) x [c])
  5456  	// result: (MOVDconst [-1])
  5457  	for {
  5458  		c := auxIntToInt64(v.AuxInt)
  5459  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  5460  			break
  5461  		}
  5462  		x := v_0.Args[0]
  5463  		if x != v_1 {
  5464  			break
  5465  		}
  5466  		v.reset(OpARM64MOVDconst)
  5467  		v.AuxInt = int64ToAuxInt(-1)
  5468  		return true
  5469  	}
  5470  	return false
  5471  }
  5472  func rewriteValueARM64_OpARM64EONshiftRL(v *Value) bool {
  5473  	v_1 := v.Args[1]
  5474  	v_0 := v.Args[0]
  5475  	// match: (EONshiftRL x (MOVDconst [c]) [d])
  5476  	// result: (XORconst x [^int64(uint64(c)>>uint64(d))])
  5477  	for {
  5478  		d := auxIntToInt64(v.AuxInt)
  5479  		x := v_0
  5480  		if v_1.Op != OpARM64MOVDconst {
  5481  			break
  5482  		}
  5483  		c := auxIntToInt64(v_1.AuxInt)
  5484  		v.reset(OpARM64XORconst)
  5485  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  5486  		v.AddArg(x)
  5487  		return true
  5488  	}
  5489  	// match: (EONshiftRL (SRLconst x [c]) x [c])
  5490  	// result: (MOVDconst [-1])
  5491  	for {
  5492  		c := auxIntToInt64(v.AuxInt)
  5493  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  5494  			break
  5495  		}
  5496  		x := v_0.Args[0]
  5497  		if x != v_1 {
  5498  			break
  5499  		}
  5500  		v.reset(OpARM64MOVDconst)
  5501  		v.AuxInt = int64ToAuxInt(-1)
  5502  		return true
  5503  	}
  5504  	return false
  5505  }
  5506  func rewriteValueARM64_OpARM64EONshiftRO(v *Value) bool {
  5507  	v_1 := v.Args[1]
  5508  	v_0 := v.Args[0]
  5509  	// match: (EONshiftRO x (MOVDconst [c]) [d])
  5510  	// result: (XORconst x [^rotateRight64(c, d)])
  5511  	for {
  5512  		d := auxIntToInt64(v.AuxInt)
  5513  		x := v_0
  5514  		if v_1.Op != OpARM64MOVDconst {
  5515  			break
  5516  		}
  5517  		c := auxIntToInt64(v_1.AuxInt)
  5518  		v.reset(OpARM64XORconst)
  5519  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  5520  		v.AddArg(x)
  5521  		return true
  5522  	}
  5523  	// match: (EONshiftRO (RORconst x [c]) x [c])
  5524  	// result: (MOVDconst [-1])
  5525  	for {
  5526  		c := auxIntToInt64(v.AuxInt)
  5527  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  5528  			break
  5529  		}
  5530  		x := v_0.Args[0]
  5531  		if x != v_1 {
  5532  			break
  5533  		}
  5534  		v.reset(OpARM64MOVDconst)
  5535  		v.AuxInt = int64ToAuxInt(-1)
  5536  		return true
  5537  	}
  5538  	return false
  5539  }
  5540  func rewriteValueARM64_OpARM64Equal(v *Value) bool {
  5541  	v_0 := v.Args[0]
  5542  	b := v.Block
  5543  	// match: (Equal (CMPconst [0] z:(AND x y)))
  5544  	// cond: z.Uses == 1
  5545  	// result: (Equal (TST x y))
  5546  	for {
  5547  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5548  			break
  5549  		}
  5550  		z := v_0.Args[0]
  5551  		if z.Op != OpARM64AND {
  5552  			break
  5553  		}
  5554  		y := z.Args[1]
  5555  		x := z.Args[0]
  5556  		if !(z.Uses == 1) {
  5557  			break
  5558  		}
  5559  		v.reset(OpARM64Equal)
  5560  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  5561  		v0.AddArg2(x, y)
  5562  		v.AddArg(v0)
  5563  		return true
  5564  	}
  5565  	// match: (Equal (CMPWconst [0] x:(ANDconst [c] y)))
  5566  	// cond: x.Uses == 1
  5567  	// result: (Equal (TSTWconst [int32(c)] y))
  5568  	for {
  5569  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5570  			break
  5571  		}
  5572  		x := v_0.Args[0]
  5573  		if x.Op != OpARM64ANDconst {
  5574  			break
  5575  		}
  5576  		c := auxIntToInt64(x.AuxInt)
  5577  		y := x.Args[0]
  5578  		if !(x.Uses == 1) {
  5579  			break
  5580  		}
  5581  		v.reset(OpARM64Equal)
  5582  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  5583  		v0.AuxInt = int32ToAuxInt(int32(c))
  5584  		v0.AddArg(y)
  5585  		v.AddArg(v0)
  5586  		return true
  5587  	}
  5588  	// match: (Equal (CMPWconst [0] z:(AND x y)))
  5589  	// cond: z.Uses == 1
  5590  	// result: (Equal (TSTW x y))
  5591  	for {
  5592  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5593  			break
  5594  		}
  5595  		z := v_0.Args[0]
  5596  		if z.Op != OpARM64AND {
  5597  			break
  5598  		}
  5599  		y := z.Args[1]
  5600  		x := z.Args[0]
  5601  		if !(z.Uses == 1) {
  5602  			break
  5603  		}
  5604  		v.reset(OpARM64Equal)
  5605  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  5606  		v0.AddArg2(x, y)
  5607  		v.AddArg(v0)
  5608  		return true
  5609  	}
  5610  	// match: (Equal (CMPconst [0] x:(ANDconst [c] y)))
  5611  	// cond: x.Uses == 1
  5612  	// result: (Equal (TSTconst [c] y))
  5613  	for {
  5614  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5615  			break
  5616  		}
  5617  		x := v_0.Args[0]
  5618  		if x.Op != OpARM64ANDconst {
  5619  			break
  5620  		}
  5621  		c := auxIntToInt64(x.AuxInt)
  5622  		y := x.Args[0]
  5623  		if !(x.Uses == 1) {
  5624  			break
  5625  		}
  5626  		v.reset(OpARM64Equal)
  5627  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  5628  		v0.AuxInt = int64ToAuxInt(c)
  5629  		v0.AddArg(y)
  5630  		v.AddArg(v0)
  5631  		return true
  5632  	}
  5633  	// match: (Equal (CMP x z:(NEG y)))
  5634  	// cond: z.Uses == 1
  5635  	// result: (Equal (CMN x y))
  5636  	for {
  5637  		if v_0.Op != OpARM64CMP {
  5638  			break
  5639  		}
  5640  		_ = v_0.Args[1]
  5641  		x := v_0.Args[0]
  5642  		z := v_0.Args[1]
  5643  		if z.Op != OpARM64NEG {
  5644  			break
  5645  		}
  5646  		y := z.Args[0]
  5647  		if !(z.Uses == 1) {
  5648  			break
  5649  		}
  5650  		v.reset(OpARM64Equal)
  5651  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5652  		v0.AddArg2(x, y)
  5653  		v.AddArg(v0)
  5654  		return true
  5655  	}
  5656  	// match: (Equal (CMPW x z:(NEG y)))
  5657  	// cond: z.Uses == 1
  5658  	// result: (Equal (CMNW x y))
  5659  	for {
  5660  		if v_0.Op != OpARM64CMPW {
  5661  			break
  5662  		}
  5663  		_ = v_0.Args[1]
  5664  		x := v_0.Args[0]
  5665  		z := v_0.Args[1]
  5666  		if z.Op != OpARM64NEG {
  5667  			break
  5668  		}
  5669  		y := z.Args[0]
  5670  		if !(z.Uses == 1) {
  5671  			break
  5672  		}
  5673  		v.reset(OpARM64Equal)
  5674  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5675  		v0.AddArg2(x, y)
  5676  		v.AddArg(v0)
  5677  		return true
  5678  	}
  5679  	// match: (Equal (CMPconst [0] x:(ADDconst [c] y)))
  5680  	// cond: x.Uses == 1
  5681  	// result: (Equal (CMNconst [c] y))
  5682  	for {
  5683  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5684  			break
  5685  		}
  5686  		x := v_0.Args[0]
  5687  		if x.Op != OpARM64ADDconst {
  5688  			break
  5689  		}
  5690  		c := auxIntToInt64(x.AuxInt)
  5691  		y := x.Args[0]
  5692  		if !(x.Uses == 1) {
  5693  			break
  5694  		}
  5695  		v.reset(OpARM64Equal)
  5696  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  5697  		v0.AuxInt = int64ToAuxInt(c)
  5698  		v0.AddArg(y)
  5699  		v.AddArg(v0)
  5700  		return true
  5701  	}
  5702  	// match: (Equal (CMPWconst [0] x:(ADDconst [c] y)))
  5703  	// cond: x.Uses == 1
  5704  	// result: (Equal (CMNWconst [int32(c)] y))
  5705  	for {
  5706  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5707  			break
  5708  		}
  5709  		x := v_0.Args[0]
  5710  		if x.Op != OpARM64ADDconst {
  5711  			break
  5712  		}
  5713  		c := auxIntToInt64(x.AuxInt)
  5714  		y := x.Args[0]
  5715  		if !(x.Uses == 1) {
  5716  			break
  5717  		}
  5718  		v.reset(OpARM64Equal)
  5719  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  5720  		v0.AuxInt = int32ToAuxInt(int32(c))
  5721  		v0.AddArg(y)
  5722  		v.AddArg(v0)
  5723  		return true
  5724  	}
  5725  	// match: (Equal (CMPconst [0] z:(ADD x y)))
  5726  	// cond: z.Uses == 1
  5727  	// result: (Equal (CMN x y))
  5728  	for {
  5729  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5730  			break
  5731  		}
  5732  		z := v_0.Args[0]
  5733  		if z.Op != OpARM64ADD {
  5734  			break
  5735  		}
  5736  		y := z.Args[1]
  5737  		x := z.Args[0]
  5738  		if !(z.Uses == 1) {
  5739  			break
  5740  		}
  5741  		v.reset(OpARM64Equal)
  5742  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5743  		v0.AddArg2(x, y)
  5744  		v.AddArg(v0)
  5745  		return true
  5746  	}
  5747  	// match: (Equal (CMPWconst [0] z:(ADD x y)))
  5748  	// cond: z.Uses == 1
  5749  	// result: (Equal (CMNW x y))
  5750  	for {
  5751  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5752  			break
  5753  		}
  5754  		z := v_0.Args[0]
  5755  		if z.Op != OpARM64ADD {
  5756  			break
  5757  		}
  5758  		y := z.Args[1]
  5759  		x := z.Args[0]
  5760  		if !(z.Uses == 1) {
  5761  			break
  5762  		}
  5763  		v.reset(OpARM64Equal)
  5764  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5765  		v0.AddArg2(x, y)
  5766  		v.AddArg(v0)
  5767  		return true
  5768  	}
  5769  	// match: (Equal (CMPconst [0] z:(MADD a x y)))
  5770  	// cond: z.Uses == 1
  5771  	// result: (Equal (CMN a (MUL <x.Type> x y)))
  5772  	for {
  5773  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5774  			break
  5775  		}
  5776  		z := v_0.Args[0]
  5777  		if z.Op != OpARM64MADD {
  5778  			break
  5779  		}
  5780  		y := z.Args[2]
  5781  		a := z.Args[0]
  5782  		x := z.Args[1]
  5783  		if !(z.Uses == 1) {
  5784  			break
  5785  		}
  5786  		v.reset(OpARM64Equal)
  5787  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5788  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5789  		v1.AddArg2(x, y)
  5790  		v0.AddArg2(a, v1)
  5791  		v.AddArg(v0)
  5792  		return true
  5793  	}
  5794  	// match: (Equal (CMPWconst [0] z:(MADDW a x y)))
  5795  	// cond: z.Uses == 1
  5796  	// result: (Equal (CMNW a (MULW <x.Type> x y)))
  5797  	for {
  5798  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5799  			break
  5800  		}
  5801  		z := v_0.Args[0]
  5802  		if z.Op != OpARM64MADDW {
  5803  			break
  5804  		}
  5805  		y := z.Args[2]
  5806  		a := z.Args[0]
  5807  		x := z.Args[1]
  5808  		if !(z.Uses == 1) {
  5809  			break
  5810  		}
  5811  		v.reset(OpARM64Equal)
  5812  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5813  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5814  		v1.AddArg2(x, y)
  5815  		v0.AddArg2(a, v1)
  5816  		v.AddArg(v0)
  5817  		return true
  5818  	}
  5819  	// match: (Equal (CMPconst [0] z:(MSUB a x y)))
  5820  	// cond: z.Uses == 1
  5821  	// result: (Equal (CMP a (MUL <x.Type> x y)))
  5822  	for {
  5823  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5824  			break
  5825  		}
  5826  		z := v_0.Args[0]
  5827  		if z.Op != OpARM64MSUB {
  5828  			break
  5829  		}
  5830  		y := z.Args[2]
  5831  		a := z.Args[0]
  5832  		x := z.Args[1]
  5833  		if !(z.Uses == 1) {
  5834  			break
  5835  		}
  5836  		v.reset(OpARM64Equal)
  5837  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  5838  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5839  		v1.AddArg2(x, y)
  5840  		v0.AddArg2(a, v1)
  5841  		v.AddArg(v0)
  5842  		return true
  5843  	}
  5844  	// match: (Equal (CMPWconst [0] z:(MSUBW a x y)))
  5845  	// cond: z.Uses == 1
  5846  	// result: (Equal (CMPW a (MULW <x.Type> x y)))
  5847  	for {
  5848  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5849  			break
  5850  		}
  5851  		z := v_0.Args[0]
  5852  		if z.Op != OpARM64MSUBW {
  5853  			break
  5854  		}
  5855  		y := z.Args[2]
  5856  		a := z.Args[0]
  5857  		x := z.Args[1]
  5858  		if !(z.Uses == 1) {
  5859  			break
  5860  		}
  5861  		v.reset(OpARM64Equal)
  5862  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  5863  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5864  		v1.AddArg2(x, y)
  5865  		v0.AddArg2(a, v1)
  5866  		v.AddArg(v0)
  5867  		return true
  5868  	}
  5869  	// match: (Equal (FlagConstant [fc]))
  5870  	// result: (MOVDconst [b2i(fc.eq())])
  5871  	for {
  5872  		if v_0.Op != OpARM64FlagConstant {
  5873  			break
  5874  		}
  5875  		fc := auxIntToFlagConstant(v_0.AuxInt)
  5876  		v.reset(OpARM64MOVDconst)
  5877  		v.AuxInt = int64ToAuxInt(b2i(fc.eq()))
  5878  		return true
  5879  	}
  5880  	// match: (Equal (InvertFlags x))
  5881  	// result: (Equal x)
  5882  	for {
  5883  		if v_0.Op != OpARM64InvertFlags {
  5884  			break
  5885  		}
  5886  		x := v_0.Args[0]
  5887  		v.reset(OpARM64Equal)
  5888  		v.AddArg(x)
  5889  		return true
  5890  	}
  5891  	return false
  5892  }
  5893  func rewriteValueARM64_OpARM64FADDD(v *Value) bool {
  5894  	v_1 := v.Args[1]
  5895  	v_0 := v.Args[0]
  5896  	// match: (FADDD a (FMULD x y))
  5897  	// cond: a.Block.Func.useFMA(v)
  5898  	// result: (FMADDD a x y)
  5899  	for {
  5900  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5901  			a := v_0
  5902  			if v_1.Op != OpARM64FMULD {
  5903  				continue
  5904  			}
  5905  			y := v_1.Args[1]
  5906  			x := v_1.Args[0]
  5907  			if !(a.Block.Func.useFMA(v)) {
  5908  				continue
  5909  			}
  5910  			v.reset(OpARM64FMADDD)
  5911  			v.AddArg3(a, x, y)
  5912  			return true
  5913  		}
  5914  		break
  5915  	}
  5916  	// match: (FADDD a (FNMULD x y))
  5917  	// cond: a.Block.Func.useFMA(v)
  5918  	// result: (FMSUBD a x y)
  5919  	for {
  5920  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5921  			a := v_0
  5922  			if v_1.Op != OpARM64FNMULD {
  5923  				continue
  5924  			}
  5925  			y := v_1.Args[1]
  5926  			x := v_1.Args[0]
  5927  			if !(a.Block.Func.useFMA(v)) {
  5928  				continue
  5929  			}
  5930  			v.reset(OpARM64FMSUBD)
  5931  			v.AddArg3(a, x, y)
  5932  			return true
  5933  		}
  5934  		break
  5935  	}
  5936  	return false
  5937  }
  5938  func rewriteValueARM64_OpARM64FADDS(v *Value) bool {
  5939  	v_1 := v.Args[1]
  5940  	v_0 := v.Args[0]
  5941  	// match: (FADDS a (FMULS x y))
  5942  	// cond: a.Block.Func.useFMA(v)
  5943  	// result: (FMADDS a x y)
  5944  	for {
  5945  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5946  			a := v_0
  5947  			if v_1.Op != OpARM64FMULS {
  5948  				continue
  5949  			}
  5950  			y := v_1.Args[1]
  5951  			x := v_1.Args[0]
  5952  			if !(a.Block.Func.useFMA(v)) {
  5953  				continue
  5954  			}
  5955  			v.reset(OpARM64FMADDS)
  5956  			v.AddArg3(a, x, y)
  5957  			return true
  5958  		}
  5959  		break
  5960  	}
  5961  	// match: (FADDS a (FNMULS x y))
  5962  	// cond: a.Block.Func.useFMA(v)
  5963  	// result: (FMSUBS a x y)
  5964  	for {
  5965  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5966  			a := v_0
  5967  			if v_1.Op != OpARM64FNMULS {
  5968  				continue
  5969  			}
  5970  			y := v_1.Args[1]
  5971  			x := v_1.Args[0]
  5972  			if !(a.Block.Func.useFMA(v)) {
  5973  				continue
  5974  			}
  5975  			v.reset(OpARM64FMSUBS)
  5976  			v.AddArg3(a, x, y)
  5977  			return true
  5978  		}
  5979  		break
  5980  	}
  5981  	return false
  5982  }
  5983  func rewriteValueARM64_OpARM64FCMPD(v *Value) bool {
  5984  	v_1 := v.Args[1]
  5985  	v_0 := v.Args[0]
  5986  	b := v.Block
  5987  	// match: (FCMPD x (FMOVDconst [0]))
  5988  	// result: (FCMPD0 x)
  5989  	for {
  5990  		x := v_0
  5991  		if v_1.Op != OpARM64FMOVDconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  5992  			break
  5993  		}
  5994  		v.reset(OpARM64FCMPD0)
  5995  		v.AddArg(x)
  5996  		return true
  5997  	}
  5998  	// match: (FCMPD (FMOVDconst [0]) x)
  5999  	// result: (InvertFlags (FCMPD0 x))
  6000  	for {
  6001  		if v_0.Op != OpARM64FMOVDconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  6002  			break
  6003  		}
  6004  		x := v_1
  6005  		v.reset(OpARM64InvertFlags)
  6006  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD0, types.TypeFlags)
  6007  		v0.AddArg(x)
  6008  		v.AddArg(v0)
  6009  		return true
  6010  	}
  6011  	return false
  6012  }
  6013  func rewriteValueARM64_OpARM64FCMPS(v *Value) bool {
  6014  	v_1 := v.Args[1]
  6015  	v_0 := v.Args[0]
  6016  	b := v.Block
  6017  	// match: (FCMPS x (FMOVSconst [0]))
  6018  	// result: (FCMPS0 x)
  6019  	for {
  6020  		x := v_0
  6021  		if v_1.Op != OpARM64FMOVSconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  6022  			break
  6023  		}
  6024  		v.reset(OpARM64FCMPS0)
  6025  		v.AddArg(x)
  6026  		return true
  6027  	}
  6028  	// match: (FCMPS (FMOVSconst [0]) x)
  6029  	// result: (InvertFlags (FCMPS0 x))
  6030  	for {
  6031  		if v_0.Op != OpARM64FMOVSconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  6032  			break
  6033  		}
  6034  		x := v_1
  6035  		v.reset(OpARM64InvertFlags)
  6036  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS0, types.TypeFlags)
  6037  		v0.AddArg(x)
  6038  		v.AddArg(v0)
  6039  		return true
  6040  	}
  6041  	return false
  6042  }
  6043  func rewriteValueARM64_OpARM64FCSELD(v *Value) bool {
  6044  	v_2 := v.Args[2]
  6045  	v_1 := v.Args[1]
  6046  	v_0 := v.Args[0]
  6047  	// match: (FCSELD [cc] x y (InvertFlags cmp))
  6048  	// result: (FCSELD [arm64Invert(cc)] x y cmp)
  6049  	for {
  6050  		cc := auxIntToOp(v.AuxInt)
  6051  		x := v_0
  6052  		y := v_1
  6053  		if v_2.Op != OpARM64InvertFlags {
  6054  			break
  6055  		}
  6056  		cmp := v_2.Args[0]
  6057  		v.reset(OpARM64FCSELD)
  6058  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  6059  		v.AddArg3(x, y, cmp)
  6060  		return true
  6061  	}
  6062  	return false
  6063  }
  6064  func rewriteValueARM64_OpARM64FCSELS(v *Value) bool {
  6065  	v_2 := v.Args[2]
  6066  	v_1 := v.Args[1]
  6067  	v_0 := v.Args[0]
  6068  	// match: (FCSELS [cc] x y (InvertFlags cmp))
  6069  	// result: (FCSELS [arm64Invert(cc)] x y cmp)
  6070  	for {
  6071  		cc := auxIntToOp(v.AuxInt)
  6072  		x := v_0
  6073  		y := v_1
  6074  		if v_2.Op != OpARM64InvertFlags {
  6075  			break
  6076  		}
  6077  		cmp := v_2.Args[0]
  6078  		v.reset(OpARM64FCSELS)
  6079  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  6080  		v.AddArg3(x, y, cmp)
  6081  		return true
  6082  	}
  6083  	return false
  6084  }
  6085  func rewriteValueARM64_OpARM64FCVTDS(v *Value) bool {
  6086  	v_0 := v.Args[0]
  6087  	// match: (FCVTDS (FABSD (FCVTSD x)))
  6088  	// result: (FABSS x)
  6089  	for {
  6090  		if v_0.Op != OpARM64FABSD {
  6091  			break
  6092  		}
  6093  		v_0_0 := v_0.Args[0]
  6094  		if v_0_0.Op != OpARM64FCVTSD {
  6095  			break
  6096  		}
  6097  		x := v_0_0.Args[0]
  6098  		v.reset(OpARM64FABSS)
  6099  		v.AddArg(x)
  6100  		return true
  6101  	}
  6102  	// match: (FCVTDS (FSQRTD (FCVTSD x)))
  6103  	// result: (FSQRTS x)
  6104  	for {
  6105  		if v_0.Op != OpARM64FSQRTD {
  6106  			break
  6107  		}
  6108  		v_0_0 := v_0.Args[0]
  6109  		if v_0_0.Op != OpARM64FCVTSD {
  6110  			break
  6111  		}
  6112  		x := v_0_0.Args[0]
  6113  		v.reset(OpARM64FSQRTS)
  6114  		v.AddArg(x)
  6115  		return true
  6116  	}
  6117  	// match: (FCVTDS (FRINTPD (FCVTSD x)))
  6118  	// result: (FRINTPS x)
  6119  	for {
  6120  		if v_0.Op != OpARM64FRINTPD {
  6121  			break
  6122  		}
  6123  		v_0_0 := v_0.Args[0]
  6124  		if v_0_0.Op != OpARM64FCVTSD {
  6125  			break
  6126  		}
  6127  		x := v_0_0.Args[0]
  6128  		v.reset(OpARM64FRINTPS)
  6129  		v.AddArg(x)
  6130  		return true
  6131  	}
  6132  	// match: (FCVTDS (FRINTMD (FCVTSD x)))
  6133  	// result: (FRINTMS x)
  6134  	for {
  6135  		if v_0.Op != OpARM64FRINTMD {
  6136  			break
  6137  		}
  6138  		v_0_0 := v_0.Args[0]
  6139  		if v_0_0.Op != OpARM64FCVTSD {
  6140  			break
  6141  		}
  6142  		x := v_0_0.Args[0]
  6143  		v.reset(OpARM64FRINTMS)
  6144  		v.AddArg(x)
  6145  		return true
  6146  	}
  6147  	// match: (FCVTDS (FRINTAD (FCVTSD x)))
  6148  	// result: (FRINTAS x)
  6149  	for {
  6150  		if v_0.Op != OpARM64FRINTAD {
  6151  			break
  6152  		}
  6153  		v_0_0 := v_0.Args[0]
  6154  		if v_0_0.Op != OpARM64FCVTSD {
  6155  			break
  6156  		}
  6157  		x := v_0_0.Args[0]
  6158  		v.reset(OpARM64FRINTAS)
  6159  		v.AddArg(x)
  6160  		return true
  6161  	}
  6162  	// match: (FCVTDS (FRINTND (FCVTSD x)))
  6163  	// result: (FRINTNS x)
  6164  	for {
  6165  		if v_0.Op != OpARM64FRINTND {
  6166  			break
  6167  		}
  6168  		v_0_0 := v_0.Args[0]
  6169  		if v_0_0.Op != OpARM64FCVTSD {
  6170  			break
  6171  		}
  6172  		x := v_0_0.Args[0]
  6173  		v.reset(OpARM64FRINTNS)
  6174  		v.AddArg(x)
  6175  		return true
  6176  	}
  6177  	// match: (FCVTDS (FRINTZD (FCVTSD x)))
  6178  	// result: (FRINTZS x)
  6179  	for {
  6180  		if v_0.Op != OpARM64FRINTZD {
  6181  			break
  6182  		}
  6183  		v_0_0 := v_0.Args[0]
  6184  		if v_0_0.Op != OpARM64FCVTSD {
  6185  			break
  6186  		}
  6187  		x := v_0_0.Args[0]
  6188  		v.reset(OpARM64FRINTZS)
  6189  		v.AddArg(x)
  6190  		return true
  6191  	}
  6192  	return false
  6193  }
  6194  func rewriteValueARM64_OpARM64FLDPQ(v *Value) bool {
  6195  	v_1 := v.Args[1]
  6196  	v_0 := v.Args[0]
  6197  	b := v.Block
  6198  	config := b.Func.Config
  6199  	// match: (FLDPQ [off1] {sym} (ADDconst [off2] ptr) mem)
  6200  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6201  	// result: (FLDPQ [off1+int32(off2)] {sym} ptr mem)
  6202  	for {
  6203  		off1 := auxIntToInt32(v.AuxInt)
  6204  		sym := auxToSym(v.Aux)
  6205  		if v_0.Op != OpARM64ADDconst {
  6206  			break
  6207  		}
  6208  		off2 := auxIntToInt64(v_0.AuxInt)
  6209  		ptr := v_0.Args[0]
  6210  		mem := v_1
  6211  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6212  			break
  6213  		}
  6214  		v.reset(OpARM64FLDPQ)
  6215  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6216  		v.Aux = symToAux(sym)
  6217  		v.AddArg2(ptr, mem)
  6218  		return true
  6219  	}
  6220  	// match: (FLDPQ [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6221  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6222  	// result: (FLDPQ [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6223  	for {
  6224  		off1 := auxIntToInt32(v.AuxInt)
  6225  		sym1 := auxToSym(v.Aux)
  6226  		if v_0.Op != OpARM64MOVDaddr {
  6227  			break
  6228  		}
  6229  		off2 := auxIntToInt32(v_0.AuxInt)
  6230  		sym2 := auxToSym(v_0.Aux)
  6231  		ptr := v_0.Args[0]
  6232  		mem := v_1
  6233  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6234  			break
  6235  		}
  6236  		v.reset(OpARM64FLDPQ)
  6237  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6238  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6239  		v.AddArg2(ptr, mem)
  6240  		return true
  6241  	}
  6242  	return false
  6243  }
  6244  func rewriteValueARM64_OpARM64FMOVDfpgp(v *Value) bool {
  6245  	v_0 := v.Args[0]
  6246  	b := v.Block
  6247  	// match: (FMOVDfpgp <t> (Arg [off] {sym}))
  6248  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  6249  	for {
  6250  		t := v.Type
  6251  		if v_0.Op != OpArg {
  6252  			break
  6253  		}
  6254  		off := auxIntToInt32(v_0.AuxInt)
  6255  		sym := auxToSym(v_0.Aux)
  6256  		b = b.Func.Entry
  6257  		v0 := b.NewValue0(v.Pos, OpArg, t)
  6258  		v.copyOf(v0)
  6259  		v0.AuxInt = int32ToAuxInt(off)
  6260  		v0.Aux = symToAux(sym)
  6261  		return true
  6262  	}
  6263  	return false
  6264  }
  6265  func rewriteValueARM64_OpARM64FMOVDgpfp(v *Value) bool {
  6266  	v_0 := v.Args[0]
  6267  	b := v.Block
  6268  	// match: (FMOVDgpfp <t> (Arg [off] {sym}))
  6269  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  6270  	for {
  6271  		t := v.Type
  6272  		if v_0.Op != OpArg {
  6273  			break
  6274  		}
  6275  		off := auxIntToInt32(v_0.AuxInt)
  6276  		sym := auxToSym(v_0.Aux)
  6277  		b = b.Func.Entry
  6278  		v0 := b.NewValue0(v.Pos, OpArg, t)
  6279  		v.copyOf(v0)
  6280  		v0.AuxInt = int32ToAuxInt(off)
  6281  		v0.Aux = symToAux(sym)
  6282  		return true
  6283  	}
  6284  	return false
  6285  }
  6286  func rewriteValueARM64_OpARM64FMOVDload(v *Value) bool {
  6287  	v_1 := v.Args[1]
  6288  	v_0 := v.Args[0]
  6289  	b := v.Block
  6290  	config := b.Func.Config
  6291  	// match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _))
  6292  	// result: (FMOVDgpfp val)
  6293  	for {
  6294  		off := auxIntToInt32(v.AuxInt)
  6295  		sym := auxToSym(v.Aux)
  6296  		ptr := v_0
  6297  		if v_1.Op != OpARM64MOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  6298  			break
  6299  		}
  6300  		val := v_1.Args[1]
  6301  		if ptr != v_1.Args[0] {
  6302  			break
  6303  		}
  6304  		v.reset(OpARM64FMOVDgpfp)
  6305  		v.AddArg(val)
  6306  		return true
  6307  	}
  6308  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  6309  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6310  	// result: (FMOVDload [off1+int32(off2)] {sym} ptr mem)
  6311  	for {
  6312  		off1 := auxIntToInt32(v.AuxInt)
  6313  		sym := auxToSym(v.Aux)
  6314  		if v_0.Op != OpARM64ADDconst {
  6315  			break
  6316  		}
  6317  		off2 := auxIntToInt64(v_0.AuxInt)
  6318  		ptr := v_0.Args[0]
  6319  		mem := v_1
  6320  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6321  			break
  6322  		}
  6323  		v.reset(OpARM64FMOVDload)
  6324  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6325  		v.Aux = symToAux(sym)
  6326  		v.AddArg2(ptr, mem)
  6327  		return true
  6328  	}
  6329  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  6330  	// cond: off == 0 && sym == nil
  6331  	// result: (FMOVDloadidx ptr idx mem)
  6332  	for {
  6333  		off := auxIntToInt32(v.AuxInt)
  6334  		sym := auxToSym(v.Aux)
  6335  		if v_0.Op != OpARM64ADD {
  6336  			break
  6337  		}
  6338  		idx := v_0.Args[1]
  6339  		ptr := v_0.Args[0]
  6340  		mem := v_1
  6341  		if !(off == 0 && sym == nil) {
  6342  			break
  6343  		}
  6344  		v.reset(OpARM64FMOVDloadidx)
  6345  		v.AddArg3(ptr, idx, mem)
  6346  		return true
  6347  	}
  6348  	// match: (FMOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  6349  	// cond: off == 0 && sym == nil
  6350  	// result: (FMOVDloadidx8 ptr idx mem)
  6351  	for {
  6352  		off := auxIntToInt32(v.AuxInt)
  6353  		sym := auxToSym(v.Aux)
  6354  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  6355  			break
  6356  		}
  6357  		idx := v_0.Args[1]
  6358  		ptr := v_0.Args[0]
  6359  		mem := v_1
  6360  		if !(off == 0 && sym == nil) {
  6361  			break
  6362  		}
  6363  		v.reset(OpARM64FMOVDloadidx8)
  6364  		v.AddArg3(ptr, idx, mem)
  6365  		return true
  6366  	}
  6367  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6368  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6369  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6370  	for {
  6371  		off1 := auxIntToInt32(v.AuxInt)
  6372  		sym1 := auxToSym(v.Aux)
  6373  		if v_0.Op != OpARM64MOVDaddr {
  6374  			break
  6375  		}
  6376  		off2 := auxIntToInt32(v_0.AuxInt)
  6377  		sym2 := auxToSym(v_0.Aux)
  6378  		ptr := v_0.Args[0]
  6379  		mem := v_1
  6380  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6381  			break
  6382  		}
  6383  		v.reset(OpARM64FMOVDload)
  6384  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6385  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6386  		v.AddArg2(ptr, mem)
  6387  		return true
  6388  	}
  6389  	return false
  6390  }
  6391  func rewriteValueARM64_OpARM64FMOVDloadidx(v *Value) bool {
  6392  	v_2 := v.Args[2]
  6393  	v_1 := v.Args[1]
  6394  	v_0 := v.Args[0]
  6395  	// match: (FMOVDloadidx ptr (MOVDconst [c]) mem)
  6396  	// cond: is32Bit(c)
  6397  	// result: (FMOVDload [int32(c)] ptr mem)
  6398  	for {
  6399  		ptr := v_0
  6400  		if v_1.Op != OpARM64MOVDconst {
  6401  			break
  6402  		}
  6403  		c := auxIntToInt64(v_1.AuxInt)
  6404  		mem := v_2
  6405  		if !(is32Bit(c)) {
  6406  			break
  6407  		}
  6408  		v.reset(OpARM64FMOVDload)
  6409  		v.AuxInt = int32ToAuxInt(int32(c))
  6410  		v.AddArg2(ptr, mem)
  6411  		return true
  6412  	}
  6413  	// match: (FMOVDloadidx (MOVDconst [c]) ptr mem)
  6414  	// cond: is32Bit(c)
  6415  	// result: (FMOVDload [int32(c)] ptr mem)
  6416  	for {
  6417  		if v_0.Op != OpARM64MOVDconst {
  6418  			break
  6419  		}
  6420  		c := auxIntToInt64(v_0.AuxInt)
  6421  		ptr := v_1
  6422  		mem := v_2
  6423  		if !(is32Bit(c)) {
  6424  			break
  6425  		}
  6426  		v.reset(OpARM64FMOVDload)
  6427  		v.AuxInt = int32ToAuxInt(int32(c))
  6428  		v.AddArg2(ptr, mem)
  6429  		return true
  6430  	}
  6431  	// match: (FMOVDloadidx ptr (SLLconst [3] idx) mem)
  6432  	// result: (FMOVDloadidx8 ptr idx mem)
  6433  	for {
  6434  		ptr := v_0
  6435  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  6436  			break
  6437  		}
  6438  		idx := v_1.Args[0]
  6439  		mem := v_2
  6440  		v.reset(OpARM64FMOVDloadidx8)
  6441  		v.AddArg3(ptr, idx, mem)
  6442  		return true
  6443  	}
  6444  	// match: (FMOVDloadidx (SLLconst [3] idx) ptr mem)
  6445  	// result: (FMOVDloadidx8 ptr idx mem)
  6446  	for {
  6447  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  6448  			break
  6449  		}
  6450  		idx := v_0.Args[0]
  6451  		ptr := v_1
  6452  		mem := v_2
  6453  		v.reset(OpARM64FMOVDloadidx8)
  6454  		v.AddArg3(ptr, idx, mem)
  6455  		return true
  6456  	}
  6457  	return false
  6458  }
  6459  func rewriteValueARM64_OpARM64FMOVDloadidx8(v *Value) bool {
  6460  	v_2 := v.Args[2]
  6461  	v_1 := v.Args[1]
  6462  	v_0 := v.Args[0]
  6463  	// match: (FMOVDloadidx8 ptr (MOVDconst [c]) mem)
  6464  	// cond: is32Bit(c<<3)
  6465  	// result: (FMOVDload ptr [int32(c)<<3] mem)
  6466  	for {
  6467  		ptr := v_0
  6468  		if v_1.Op != OpARM64MOVDconst {
  6469  			break
  6470  		}
  6471  		c := auxIntToInt64(v_1.AuxInt)
  6472  		mem := v_2
  6473  		if !(is32Bit(c << 3)) {
  6474  			break
  6475  		}
  6476  		v.reset(OpARM64FMOVDload)
  6477  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  6478  		v.AddArg2(ptr, mem)
  6479  		return true
  6480  	}
  6481  	return false
  6482  }
  6483  func rewriteValueARM64_OpARM64FMOVDstore(v *Value) bool {
  6484  	v_2 := v.Args[2]
  6485  	v_1 := v.Args[1]
  6486  	v_0 := v.Args[0]
  6487  	b := v.Block
  6488  	config := b.Func.Config
  6489  	// match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem)
  6490  	// result: (MOVDstore [off] {sym} ptr val mem)
  6491  	for {
  6492  		off := auxIntToInt32(v.AuxInt)
  6493  		sym := auxToSym(v.Aux)
  6494  		ptr := v_0
  6495  		if v_1.Op != OpARM64FMOVDgpfp {
  6496  			break
  6497  		}
  6498  		val := v_1.Args[0]
  6499  		mem := v_2
  6500  		v.reset(OpARM64MOVDstore)
  6501  		v.AuxInt = int32ToAuxInt(off)
  6502  		v.Aux = symToAux(sym)
  6503  		v.AddArg3(ptr, val, mem)
  6504  		return true
  6505  	}
  6506  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  6507  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6508  	// result: (FMOVDstore [off1+int32(off2)] {sym} ptr val mem)
  6509  	for {
  6510  		off1 := auxIntToInt32(v.AuxInt)
  6511  		sym := auxToSym(v.Aux)
  6512  		if v_0.Op != OpARM64ADDconst {
  6513  			break
  6514  		}
  6515  		off2 := auxIntToInt64(v_0.AuxInt)
  6516  		ptr := v_0.Args[0]
  6517  		val := v_1
  6518  		mem := v_2
  6519  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6520  			break
  6521  		}
  6522  		v.reset(OpARM64FMOVDstore)
  6523  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6524  		v.Aux = symToAux(sym)
  6525  		v.AddArg3(ptr, val, mem)
  6526  		return true
  6527  	}
  6528  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  6529  	// cond: off == 0 && sym == nil
  6530  	// result: (FMOVDstoreidx ptr idx val mem)
  6531  	for {
  6532  		off := auxIntToInt32(v.AuxInt)
  6533  		sym := auxToSym(v.Aux)
  6534  		if v_0.Op != OpARM64ADD {
  6535  			break
  6536  		}
  6537  		idx := v_0.Args[1]
  6538  		ptr := v_0.Args[0]
  6539  		val := v_1
  6540  		mem := v_2
  6541  		if !(off == 0 && sym == nil) {
  6542  			break
  6543  		}
  6544  		v.reset(OpARM64FMOVDstoreidx)
  6545  		v.AddArg4(ptr, idx, val, mem)
  6546  		return true
  6547  	}
  6548  	// match: (FMOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  6549  	// cond: off == 0 && sym == nil
  6550  	// result: (FMOVDstoreidx8 ptr idx val mem)
  6551  	for {
  6552  		off := auxIntToInt32(v.AuxInt)
  6553  		sym := auxToSym(v.Aux)
  6554  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  6555  			break
  6556  		}
  6557  		idx := v_0.Args[1]
  6558  		ptr := v_0.Args[0]
  6559  		val := v_1
  6560  		mem := v_2
  6561  		if !(off == 0 && sym == nil) {
  6562  			break
  6563  		}
  6564  		v.reset(OpARM64FMOVDstoreidx8)
  6565  		v.AddArg4(ptr, idx, val, mem)
  6566  		return true
  6567  	}
  6568  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  6569  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6570  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  6571  	for {
  6572  		off1 := auxIntToInt32(v.AuxInt)
  6573  		sym1 := auxToSym(v.Aux)
  6574  		if v_0.Op != OpARM64MOVDaddr {
  6575  			break
  6576  		}
  6577  		off2 := auxIntToInt32(v_0.AuxInt)
  6578  		sym2 := auxToSym(v_0.Aux)
  6579  		ptr := v_0.Args[0]
  6580  		val := v_1
  6581  		mem := v_2
  6582  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6583  			break
  6584  		}
  6585  		v.reset(OpARM64FMOVDstore)
  6586  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6587  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6588  		v.AddArg3(ptr, val, mem)
  6589  		return true
  6590  	}
  6591  	return false
  6592  }
  6593  func rewriteValueARM64_OpARM64FMOVDstoreidx(v *Value) bool {
  6594  	v_3 := v.Args[3]
  6595  	v_2 := v.Args[2]
  6596  	v_1 := v.Args[1]
  6597  	v_0 := v.Args[0]
  6598  	// match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem)
  6599  	// cond: is32Bit(c)
  6600  	// result: (FMOVDstore [int32(c)] ptr val mem)
  6601  	for {
  6602  		ptr := v_0
  6603  		if v_1.Op != OpARM64MOVDconst {
  6604  			break
  6605  		}
  6606  		c := auxIntToInt64(v_1.AuxInt)
  6607  		val := v_2
  6608  		mem := v_3
  6609  		if !(is32Bit(c)) {
  6610  			break
  6611  		}
  6612  		v.reset(OpARM64FMOVDstore)
  6613  		v.AuxInt = int32ToAuxInt(int32(c))
  6614  		v.AddArg3(ptr, val, mem)
  6615  		return true
  6616  	}
  6617  	// match: (FMOVDstoreidx (MOVDconst [c]) idx val mem)
  6618  	// cond: is32Bit(c)
  6619  	// result: (FMOVDstore [int32(c)] idx val mem)
  6620  	for {
  6621  		if v_0.Op != OpARM64MOVDconst {
  6622  			break
  6623  		}
  6624  		c := auxIntToInt64(v_0.AuxInt)
  6625  		idx := v_1
  6626  		val := v_2
  6627  		mem := v_3
  6628  		if !(is32Bit(c)) {
  6629  			break
  6630  		}
  6631  		v.reset(OpARM64FMOVDstore)
  6632  		v.AuxInt = int32ToAuxInt(int32(c))
  6633  		v.AddArg3(idx, val, mem)
  6634  		return true
  6635  	}
  6636  	// match: (FMOVDstoreidx ptr (SLLconst [3] idx) val mem)
  6637  	// result: (FMOVDstoreidx8 ptr idx val mem)
  6638  	for {
  6639  		ptr := v_0
  6640  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  6641  			break
  6642  		}
  6643  		idx := v_1.Args[0]
  6644  		val := v_2
  6645  		mem := v_3
  6646  		v.reset(OpARM64FMOVDstoreidx8)
  6647  		v.AddArg4(ptr, idx, val, mem)
  6648  		return true
  6649  	}
  6650  	// match: (FMOVDstoreidx (SLLconst [3] idx) ptr val mem)
  6651  	// result: (FMOVDstoreidx8 ptr idx val mem)
  6652  	for {
  6653  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  6654  			break
  6655  		}
  6656  		idx := v_0.Args[0]
  6657  		ptr := v_1
  6658  		val := v_2
  6659  		mem := v_3
  6660  		v.reset(OpARM64FMOVDstoreidx8)
  6661  		v.AddArg4(ptr, idx, val, mem)
  6662  		return true
  6663  	}
  6664  	return false
  6665  }
  6666  func rewriteValueARM64_OpARM64FMOVDstoreidx8(v *Value) bool {
  6667  	v_3 := v.Args[3]
  6668  	v_2 := v.Args[2]
  6669  	v_1 := v.Args[1]
  6670  	v_0 := v.Args[0]
  6671  	// match: (FMOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  6672  	// cond: is32Bit(c<<3)
  6673  	// result: (FMOVDstore [int32(c)<<3] ptr val mem)
  6674  	for {
  6675  		ptr := v_0
  6676  		if v_1.Op != OpARM64MOVDconst {
  6677  			break
  6678  		}
  6679  		c := auxIntToInt64(v_1.AuxInt)
  6680  		val := v_2
  6681  		mem := v_3
  6682  		if !(is32Bit(c << 3)) {
  6683  			break
  6684  		}
  6685  		v.reset(OpARM64FMOVDstore)
  6686  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  6687  		v.AddArg3(ptr, val, mem)
  6688  		return true
  6689  	}
  6690  	return false
  6691  }
  6692  func rewriteValueARM64_OpARM64FMOVQload(v *Value) bool {
  6693  	v_1 := v.Args[1]
  6694  	v_0 := v.Args[0]
  6695  	b := v.Block
  6696  	config := b.Func.Config
  6697  	// match: (FMOVQload [off1] {sym} (ADDconst [off2] ptr) mem)
  6698  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6699  	// result: (FMOVQload [off1+int32(off2)] {sym} ptr mem)
  6700  	for {
  6701  		off1 := auxIntToInt32(v.AuxInt)
  6702  		sym := auxToSym(v.Aux)
  6703  		if v_0.Op != OpARM64ADDconst {
  6704  			break
  6705  		}
  6706  		off2 := auxIntToInt64(v_0.AuxInt)
  6707  		ptr := v_0.Args[0]
  6708  		mem := v_1
  6709  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6710  			break
  6711  		}
  6712  		v.reset(OpARM64FMOVQload)
  6713  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6714  		v.Aux = symToAux(sym)
  6715  		v.AddArg2(ptr, mem)
  6716  		return true
  6717  	}
  6718  	// match: (FMOVQload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6719  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6720  	// result: (FMOVQload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6721  	for {
  6722  		off1 := auxIntToInt32(v.AuxInt)
  6723  		sym1 := auxToSym(v.Aux)
  6724  		if v_0.Op != OpARM64MOVDaddr {
  6725  			break
  6726  		}
  6727  		off2 := auxIntToInt32(v_0.AuxInt)
  6728  		sym2 := auxToSym(v_0.Aux)
  6729  		ptr := v_0.Args[0]
  6730  		mem := v_1
  6731  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6732  			break
  6733  		}
  6734  		v.reset(OpARM64FMOVQload)
  6735  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6736  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6737  		v.AddArg2(ptr, mem)
  6738  		return true
  6739  	}
  6740  	return false
  6741  }
  6742  func rewriteValueARM64_OpARM64FMOVQstore(v *Value) bool {
  6743  	v_2 := v.Args[2]
  6744  	v_1 := v.Args[1]
  6745  	v_0 := v.Args[0]
  6746  	b := v.Block
  6747  	config := b.Func.Config
  6748  	// match: (FMOVQstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  6749  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6750  	// result: (FMOVQstore [off1+int32(off2)] {sym} ptr val mem)
  6751  	for {
  6752  		off1 := auxIntToInt32(v.AuxInt)
  6753  		sym := auxToSym(v.Aux)
  6754  		if v_0.Op != OpARM64ADDconst {
  6755  			break
  6756  		}
  6757  		off2 := auxIntToInt64(v_0.AuxInt)
  6758  		ptr := v_0.Args[0]
  6759  		val := v_1
  6760  		mem := v_2
  6761  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6762  			break
  6763  		}
  6764  		v.reset(OpARM64FMOVQstore)
  6765  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6766  		v.Aux = symToAux(sym)
  6767  		v.AddArg3(ptr, val, mem)
  6768  		return true
  6769  	}
  6770  	// match: (FMOVQstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  6771  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6772  	// result: (FMOVQstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  6773  	for {
  6774  		off1 := auxIntToInt32(v.AuxInt)
  6775  		sym1 := auxToSym(v.Aux)
  6776  		if v_0.Op != OpARM64MOVDaddr {
  6777  			break
  6778  		}
  6779  		off2 := auxIntToInt32(v_0.AuxInt)
  6780  		sym2 := auxToSym(v_0.Aux)
  6781  		ptr := v_0.Args[0]
  6782  		val := v_1
  6783  		mem := v_2
  6784  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6785  			break
  6786  		}
  6787  		v.reset(OpARM64FMOVQstore)
  6788  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6789  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6790  		v.AddArg3(ptr, val, mem)
  6791  		return true
  6792  	}
  6793  	return false
  6794  }
  6795  func rewriteValueARM64_OpARM64FMOVSload(v *Value) bool {
  6796  	v_1 := v.Args[1]
  6797  	v_0 := v.Args[0]
  6798  	b := v.Block
  6799  	config := b.Func.Config
  6800  	// match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _))
  6801  	// result: (FMOVSgpfp val)
  6802  	for {
  6803  		off := auxIntToInt32(v.AuxInt)
  6804  		sym := auxToSym(v.Aux)
  6805  		ptr := v_0
  6806  		if v_1.Op != OpARM64MOVWstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  6807  			break
  6808  		}
  6809  		val := v_1.Args[1]
  6810  		if ptr != v_1.Args[0] {
  6811  			break
  6812  		}
  6813  		v.reset(OpARM64FMOVSgpfp)
  6814  		v.AddArg(val)
  6815  		return true
  6816  	}
  6817  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  6818  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6819  	// result: (FMOVSload [off1+int32(off2)] {sym} ptr mem)
  6820  	for {
  6821  		off1 := auxIntToInt32(v.AuxInt)
  6822  		sym := auxToSym(v.Aux)
  6823  		if v_0.Op != OpARM64ADDconst {
  6824  			break
  6825  		}
  6826  		off2 := auxIntToInt64(v_0.AuxInt)
  6827  		ptr := v_0.Args[0]
  6828  		mem := v_1
  6829  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6830  			break
  6831  		}
  6832  		v.reset(OpARM64FMOVSload)
  6833  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6834  		v.Aux = symToAux(sym)
  6835  		v.AddArg2(ptr, mem)
  6836  		return true
  6837  	}
  6838  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  6839  	// cond: off == 0 && sym == nil
  6840  	// result: (FMOVSloadidx ptr idx mem)
  6841  	for {
  6842  		off := auxIntToInt32(v.AuxInt)
  6843  		sym := auxToSym(v.Aux)
  6844  		if v_0.Op != OpARM64ADD {
  6845  			break
  6846  		}
  6847  		idx := v_0.Args[1]
  6848  		ptr := v_0.Args[0]
  6849  		mem := v_1
  6850  		if !(off == 0 && sym == nil) {
  6851  			break
  6852  		}
  6853  		v.reset(OpARM64FMOVSloadidx)
  6854  		v.AddArg3(ptr, idx, mem)
  6855  		return true
  6856  	}
  6857  	// match: (FMOVSload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
  6858  	// cond: off == 0 && sym == nil
  6859  	// result: (FMOVSloadidx4 ptr idx mem)
  6860  	for {
  6861  		off := auxIntToInt32(v.AuxInt)
  6862  		sym := auxToSym(v.Aux)
  6863  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  6864  			break
  6865  		}
  6866  		idx := v_0.Args[1]
  6867  		ptr := v_0.Args[0]
  6868  		mem := v_1
  6869  		if !(off == 0 && sym == nil) {
  6870  			break
  6871  		}
  6872  		v.reset(OpARM64FMOVSloadidx4)
  6873  		v.AddArg3(ptr, idx, mem)
  6874  		return true
  6875  	}
  6876  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6877  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6878  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6879  	for {
  6880  		off1 := auxIntToInt32(v.AuxInt)
  6881  		sym1 := auxToSym(v.Aux)
  6882  		if v_0.Op != OpARM64MOVDaddr {
  6883  			break
  6884  		}
  6885  		off2 := auxIntToInt32(v_0.AuxInt)
  6886  		sym2 := auxToSym(v_0.Aux)
  6887  		ptr := v_0.Args[0]
  6888  		mem := v_1
  6889  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6890  			break
  6891  		}
  6892  		v.reset(OpARM64FMOVSload)
  6893  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6894  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6895  		v.AddArg2(ptr, mem)
  6896  		return true
  6897  	}
  6898  	return false
  6899  }
  6900  func rewriteValueARM64_OpARM64FMOVSloadidx(v *Value) bool {
  6901  	v_2 := v.Args[2]
  6902  	v_1 := v.Args[1]
  6903  	v_0 := v.Args[0]
  6904  	// match: (FMOVSloadidx ptr (MOVDconst [c]) mem)
  6905  	// cond: is32Bit(c)
  6906  	// result: (FMOVSload [int32(c)] ptr mem)
  6907  	for {
  6908  		ptr := v_0
  6909  		if v_1.Op != OpARM64MOVDconst {
  6910  			break
  6911  		}
  6912  		c := auxIntToInt64(v_1.AuxInt)
  6913  		mem := v_2
  6914  		if !(is32Bit(c)) {
  6915  			break
  6916  		}
  6917  		v.reset(OpARM64FMOVSload)
  6918  		v.AuxInt = int32ToAuxInt(int32(c))
  6919  		v.AddArg2(ptr, mem)
  6920  		return true
  6921  	}
  6922  	// match: (FMOVSloadidx (MOVDconst [c]) ptr mem)
  6923  	// cond: is32Bit(c)
  6924  	// result: (FMOVSload [int32(c)] ptr mem)
  6925  	for {
  6926  		if v_0.Op != OpARM64MOVDconst {
  6927  			break
  6928  		}
  6929  		c := auxIntToInt64(v_0.AuxInt)
  6930  		ptr := v_1
  6931  		mem := v_2
  6932  		if !(is32Bit(c)) {
  6933  			break
  6934  		}
  6935  		v.reset(OpARM64FMOVSload)
  6936  		v.AuxInt = int32ToAuxInt(int32(c))
  6937  		v.AddArg2(ptr, mem)
  6938  		return true
  6939  	}
  6940  	// match: (FMOVSloadidx ptr (SLLconst [2] idx) mem)
  6941  	// result: (FMOVSloadidx4 ptr idx mem)
  6942  	for {
  6943  		ptr := v_0
  6944  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  6945  			break
  6946  		}
  6947  		idx := v_1.Args[0]
  6948  		mem := v_2
  6949  		v.reset(OpARM64FMOVSloadidx4)
  6950  		v.AddArg3(ptr, idx, mem)
  6951  		return true
  6952  	}
  6953  	// match: (FMOVSloadidx (SLLconst [2] idx) ptr mem)
  6954  	// result: (FMOVSloadidx4 ptr idx mem)
  6955  	for {
  6956  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  6957  			break
  6958  		}
  6959  		idx := v_0.Args[0]
  6960  		ptr := v_1
  6961  		mem := v_2
  6962  		v.reset(OpARM64FMOVSloadidx4)
  6963  		v.AddArg3(ptr, idx, mem)
  6964  		return true
  6965  	}
  6966  	return false
  6967  }
  6968  func rewriteValueARM64_OpARM64FMOVSloadidx4(v *Value) bool {
  6969  	v_2 := v.Args[2]
  6970  	v_1 := v.Args[1]
  6971  	v_0 := v.Args[0]
  6972  	// match: (FMOVSloadidx4 ptr (MOVDconst [c]) mem)
  6973  	// cond: is32Bit(c<<2)
  6974  	// result: (FMOVSload ptr [int32(c)<<2] mem)
  6975  	for {
  6976  		ptr := v_0
  6977  		if v_1.Op != OpARM64MOVDconst {
  6978  			break
  6979  		}
  6980  		c := auxIntToInt64(v_1.AuxInt)
  6981  		mem := v_2
  6982  		if !(is32Bit(c << 2)) {
  6983  			break
  6984  		}
  6985  		v.reset(OpARM64FMOVSload)
  6986  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  6987  		v.AddArg2(ptr, mem)
  6988  		return true
  6989  	}
  6990  	return false
  6991  }
  6992  func rewriteValueARM64_OpARM64FMOVSstore(v *Value) bool {
  6993  	v_2 := v.Args[2]
  6994  	v_1 := v.Args[1]
  6995  	v_0 := v.Args[0]
  6996  	b := v.Block
  6997  	config := b.Func.Config
  6998  	// match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem)
  6999  	// result: (MOVWstore [off] {sym} ptr val mem)
  7000  	for {
  7001  		off := auxIntToInt32(v.AuxInt)
  7002  		sym := auxToSym(v.Aux)
  7003  		ptr := v_0
  7004  		if v_1.Op != OpARM64FMOVSgpfp {
  7005  			break
  7006  		}
  7007  		val := v_1.Args[0]
  7008  		mem := v_2
  7009  		v.reset(OpARM64MOVWstore)
  7010  		v.AuxInt = int32ToAuxInt(off)
  7011  		v.Aux = symToAux(sym)
  7012  		v.AddArg3(ptr, val, mem)
  7013  		return true
  7014  	}
  7015  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7016  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7017  	// result: (FMOVSstore [off1+int32(off2)] {sym} ptr val mem)
  7018  	for {
  7019  		off1 := auxIntToInt32(v.AuxInt)
  7020  		sym := auxToSym(v.Aux)
  7021  		if v_0.Op != OpARM64ADDconst {
  7022  			break
  7023  		}
  7024  		off2 := auxIntToInt64(v_0.AuxInt)
  7025  		ptr := v_0.Args[0]
  7026  		val := v_1
  7027  		mem := v_2
  7028  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7029  			break
  7030  		}
  7031  		v.reset(OpARM64FMOVSstore)
  7032  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  7033  		v.Aux = symToAux(sym)
  7034  		v.AddArg3(ptr, val, mem)
  7035  		return true
  7036  	}
  7037  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7038  	// cond: off == 0 && sym == nil
  7039  	// result: (FMOVSstoreidx ptr idx val mem)
  7040  	for {
  7041  		off := auxIntToInt32(v.AuxInt)
  7042  		sym := auxToSym(v.Aux)
  7043  		if v_0.Op != OpARM64ADD {
  7044  			break
  7045  		}
  7046  		idx := v_0.Args[1]
  7047  		ptr := v_0.Args[0]
  7048  		val := v_1
  7049  		mem := v_2
  7050  		if !(off == 0 && sym == nil) {
  7051  			break
  7052  		}
  7053  		v.reset(OpARM64FMOVSstoreidx)
  7054  		v.AddArg4(ptr, idx, val, mem)
  7055  		return true
  7056  	}
  7057  	// match: (FMOVSstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
  7058  	// cond: off == 0 && sym == nil
  7059  	// result: (FMOVSstoreidx4 ptr idx val mem)
  7060  	for {
  7061  		off := auxIntToInt32(v.AuxInt)
  7062  		sym := auxToSym(v.Aux)
  7063  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  7064  			break
  7065  		}
  7066  		idx := v_0.Args[1]
  7067  		ptr := v_0.Args[0]
  7068  		val := v_1
  7069  		mem := v_2
  7070  		if !(off == 0 && sym == nil) {
  7071  			break
  7072  		}
  7073  		v.reset(OpARM64FMOVSstoreidx4)
  7074  		v.AddArg4(ptr, idx, val, mem)
  7075  		return true
  7076  	}
  7077  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  7078  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7079  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  7080  	for {
  7081  		off1 := auxIntToInt32(v.AuxInt)
  7082  		sym1 := auxToSym(v.Aux)
  7083  		if v_0.Op != OpARM64MOVDaddr {
  7084  			break
  7085  		}
  7086  		off2 := auxIntToInt32(v_0.AuxInt)
  7087  		sym2 := auxToSym(v_0.Aux)
  7088  		ptr := v_0.Args[0]
  7089  		val := v_1
  7090  		mem := v_2
  7091  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7092  			break
  7093  		}
  7094  		v.reset(OpARM64FMOVSstore)
  7095  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7096  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7097  		v.AddArg3(ptr, val, mem)
  7098  		return true
  7099  	}
  7100  	return false
  7101  }
  7102  func rewriteValueARM64_OpARM64FMOVSstoreidx(v *Value) bool {
  7103  	v_3 := v.Args[3]
  7104  	v_2 := v.Args[2]
  7105  	v_1 := v.Args[1]
  7106  	v_0 := v.Args[0]
  7107  	// match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem)
  7108  	// cond: is32Bit(c)
  7109  	// result: (FMOVSstore [int32(c)] ptr val mem)
  7110  	for {
  7111  		ptr := v_0
  7112  		if v_1.Op != OpARM64MOVDconst {
  7113  			break
  7114  		}
  7115  		c := auxIntToInt64(v_1.AuxInt)
  7116  		val := v_2
  7117  		mem := v_3
  7118  		if !(is32Bit(c)) {
  7119  			break
  7120  		}
  7121  		v.reset(OpARM64FMOVSstore)
  7122  		v.AuxInt = int32ToAuxInt(int32(c))
  7123  		v.AddArg3(ptr, val, mem)
  7124  		return true
  7125  	}
  7126  	// match: (FMOVSstoreidx (MOVDconst [c]) idx val mem)
  7127  	// cond: is32Bit(c)
  7128  	// result: (FMOVSstore [int32(c)] idx val mem)
  7129  	for {
  7130  		if v_0.Op != OpARM64MOVDconst {
  7131  			break
  7132  		}
  7133  		c := auxIntToInt64(v_0.AuxInt)
  7134  		idx := v_1
  7135  		val := v_2
  7136  		mem := v_3
  7137  		if !(is32Bit(c)) {
  7138  			break
  7139  		}
  7140  		v.reset(OpARM64FMOVSstore)
  7141  		v.AuxInt = int32ToAuxInt(int32(c))
  7142  		v.AddArg3(idx, val, mem)
  7143  		return true
  7144  	}
  7145  	// match: (FMOVSstoreidx ptr (SLLconst [2] idx) val mem)
  7146  	// result: (FMOVSstoreidx4 ptr idx val mem)
  7147  	for {
  7148  		ptr := v_0
  7149  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  7150  			break
  7151  		}
  7152  		idx := v_1.Args[0]
  7153  		val := v_2
  7154  		mem := v_3
  7155  		v.reset(OpARM64FMOVSstoreidx4)
  7156  		v.AddArg4(ptr, idx, val, mem)
  7157  		return true
  7158  	}
  7159  	// match: (FMOVSstoreidx (SLLconst [2] idx) ptr val mem)
  7160  	// result: (FMOVSstoreidx4 ptr idx val mem)
  7161  	for {
  7162  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  7163  			break
  7164  		}
  7165  		idx := v_0.Args[0]
  7166  		ptr := v_1
  7167  		val := v_2
  7168  		mem := v_3
  7169  		v.reset(OpARM64FMOVSstoreidx4)
  7170  		v.AddArg4(ptr, idx, val, mem)
  7171  		return true
  7172  	}
  7173  	return false
  7174  }
  7175  func rewriteValueARM64_OpARM64FMOVSstoreidx4(v *Value) bool {
  7176  	v_3 := v.Args[3]
  7177  	v_2 := v.Args[2]
  7178  	v_1 := v.Args[1]
  7179  	v_0 := v.Args[0]
  7180  	// match: (FMOVSstoreidx4 ptr (MOVDconst [c]) val mem)
  7181  	// cond: is32Bit(c<<2)
  7182  	// result: (FMOVSstore [int32(c)<<2] ptr val mem)
  7183  	for {
  7184  		ptr := v_0
  7185  		if v_1.Op != OpARM64MOVDconst {
  7186  			break
  7187  		}
  7188  		c := auxIntToInt64(v_1.AuxInt)
  7189  		val := v_2
  7190  		mem := v_3
  7191  		if !(is32Bit(c << 2)) {
  7192  			break
  7193  		}
  7194  		v.reset(OpARM64FMOVSstore)
  7195  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  7196  		v.AddArg3(ptr, val, mem)
  7197  		return true
  7198  	}
  7199  	return false
  7200  }
  7201  func rewriteValueARM64_OpARM64FMULD(v *Value) bool {
  7202  	v_1 := v.Args[1]
  7203  	v_0 := v.Args[0]
  7204  	// match: (FMULD (FNEGD x) y)
  7205  	// result: (FNMULD x y)
  7206  	for {
  7207  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7208  			if v_0.Op != OpARM64FNEGD {
  7209  				continue
  7210  			}
  7211  			x := v_0.Args[0]
  7212  			y := v_1
  7213  			v.reset(OpARM64FNMULD)
  7214  			v.AddArg2(x, y)
  7215  			return true
  7216  		}
  7217  		break
  7218  	}
  7219  	return false
  7220  }
  7221  func rewriteValueARM64_OpARM64FMULS(v *Value) bool {
  7222  	v_1 := v.Args[1]
  7223  	v_0 := v.Args[0]
  7224  	// match: (FMULS (FNEGS x) y)
  7225  	// result: (FNMULS x y)
  7226  	for {
  7227  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7228  			if v_0.Op != OpARM64FNEGS {
  7229  				continue
  7230  			}
  7231  			x := v_0.Args[0]
  7232  			y := v_1
  7233  			v.reset(OpARM64FNMULS)
  7234  			v.AddArg2(x, y)
  7235  			return true
  7236  		}
  7237  		break
  7238  	}
  7239  	return false
  7240  }
  7241  func rewriteValueARM64_OpARM64FNEGD(v *Value) bool {
  7242  	v_0 := v.Args[0]
  7243  	// match: (FNEGD (FMULD x y))
  7244  	// result: (FNMULD x y)
  7245  	for {
  7246  		if v_0.Op != OpARM64FMULD {
  7247  			break
  7248  		}
  7249  		y := v_0.Args[1]
  7250  		x := v_0.Args[0]
  7251  		v.reset(OpARM64FNMULD)
  7252  		v.AddArg2(x, y)
  7253  		return true
  7254  	}
  7255  	// match: (FNEGD (FNMULD x y))
  7256  	// result: (FMULD x y)
  7257  	for {
  7258  		if v_0.Op != OpARM64FNMULD {
  7259  			break
  7260  		}
  7261  		y := v_0.Args[1]
  7262  		x := v_0.Args[0]
  7263  		v.reset(OpARM64FMULD)
  7264  		v.AddArg2(x, y)
  7265  		return true
  7266  	}
  7267  	return false
  7268  }
  7269  func rewriteValueARM64_OpARM64FNEGS(v *Value) bool {
  7270  	v_0 := v.Args[0]
  7271  	// match: (FNEGS (FMULS x y))
  7272  	// result: (FNMULS x y)
  7273  	for {
  7274  		if v_0.Op != OpARM64FMULS {
  7275  			break
  7276  		}
  7277  		y := v_0.Args[1]
  7278  		x := v_0.Args[0]
  7279  		v.reset(OpARM64FNMULS)
  7280  		v.AddArg2(x, y)
  7281  		return true
  7282  	}
  7283  	// match: (FNEGS (FNMULS x y))
  7284  	// result: (FMULS x y)
  7285  	for {
  7286  		if v_0.Op != OpARM64FNMULS {
  7287  			break
  7288  		}
  7289  		y := v_0.Args[1]
  7290  		x := v_0.Args[0]
  7291  		v.reset(OpARM64FMULS)
  7292  		v.AddArg2(x, y)
  7293  		return true
  7294  	}
  7295  	return false
  7296  }
  7297  func rewriteValueARM64_OpARM64FNMULD(v *Value) bool {
  7298  	v_1 := v.Args[1]
  7299  	v_0 := v.Args[0]
  7300  	// match: (FNMULD (FNEGD x) y)
  7301  	// result: (FMULD x y)
  7302  	for {
  7303  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7304  			if v_0.Op != OpARM64FNEGD {
  7305  				continue
  7306  			}
  7307  			x := v_0.Args[0]
  7308  			y := v_1
  7309  			v.reset(OpARM64FMULD)
  7310  			v.AddArg2(x, y)
  7311  			return true
  7312  		}
  7313  		break
  7314  	}
  7315  	return false
  7316  }
  7317  func rewriteValueARM64_OpARM64FNMULS(v *Value) bool {
  7318  	v_1 := v.Args[1]
  7319  	v_0 := v.Args[0]
  7320  	// match: (FNMULS (FNEGS x) y)
  7321  	// result: (FMULS x y)
  7322  	for {
  7323  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7324  			if v_0.Op != OpARM64FNEGS {
  7325  				continue
  7326  			}
  7327  			x := v_0.Args[0]
  7328  			y := v_1
  7329  			v.reset(OpARM64FMULS)
  7330  			v.AddArg2(x, y)
  7331  			return true
  7332  		}
  7333  		break
  7334  	}
  7335  	return false
  7336  }
  7337  func rewriteValueARM64_OpARM64FSTPQ(v *Value) bool {
  7338  	v_3 := v.Args[3]
  7339  	v_2 := v.Args[2]
  7340  	v_1 := v.Args[1]
  7341  	v_0 := v.Args[0]
  7342  	b := v.Block
  7343  	config := b.Func.Config
  7344  	// match: (FSTPQ [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
  7345  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7346  	// result: (FSTPQ [off1+int32(off2)] {sym} ptr val1 val2 mem)
  7347  	for {
  7348  		off1 := auxIntToInt32(v.AuxInt)
  7349  		sym := auxToSym(v.Aux)
  7350  		if v_0.Op != OpARM64ADDconst {
  7351  			break
  7352  		}
  7353  		off2 := auxIntToInt64(v_0.AuxInt)
  7354  		ptr := v_0.Args[0]
  7355  		val1 := v_1
  7356  		val2 := v_2
  7357  		mem := v_3
  7358  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7359  			break
  7360  		}
  7361  		v.reset(OpARM64FSTPQ)
  7362  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  7363  		v.Aux = symToAux(sym)
  7364  		v.AddArg4(ptr, val1, val2, mem)
  7365  		return true
  7366  	}
  7367  	// match: (FSTPQ [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
  7368  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7369  	// result: (FSTPQ [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
  7370  	for {
  7371  		off1 := auxIntToInt32(v.AuxInt)
  7372  		sym1 := auxToSym(v.Aux)
  7373  		if v_0.Op != OpARM64MOVDaddr {
  7374  			break
  7375  		}
  7376  		off2 := auxIntToInt32(v_0.AuxInt)
  7377  		sym2 := auxToSym(v_0.Aux)
  7378  		ptr := v_0.Args[0]
  7379  		val1 := v_1
  7380  		val2 := v_2
  7381  		mem := v_3
  7382  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7383  			break
  7384  		}
  7385  		v.reset(OpARM64FSTPQ)
  7386  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7387  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7388  		v.AddArg4(ptr, val1, val2, mem)
  7389  		return true
  7390  	}
  7391  	return false
  7392  }
  7393  func rewriteValueARM64_OpARM64FSUBD(v *Value) bool {
  7394  	v_1 := v.Args[1]
  7395  	v_0 := v.Args[0]
  7396  	// match: (FSUBD a (FMULD x y))
  7397  	// cond: a.Block.Func.useFMA(v)
  7398  	// result: (FMSUBD a x y)
  7399  	for {
  7400  		a := v_0
  7401  		if v_1.Op != OpARM64FMULD {
  7402  			break
  7403  		}
  7404  		y := v_1.Args[1]
  7405  		x := v_1.Args[0]
  7406  		if !(a.Block.Func.useFMA(v)) {
  7407  			break
  7408  		}
  7409  		v.reset(OpARM64FMSUBD)
  7410  		v.AddArg3(a, x, y)
  7411  		return true
  7412  	}
  7413  	// match: (FSUBD (FMULD x y) a)
  7414  	// cond: a.Block.Func.useFMA(v)
  7415  	// result: (FNMSUBD a x y)
  7416  	for {
  7417  		if v_0.Op != OpARM64FMULD {
  7418  			break
  7419  		}
  7420  		y := v_0.Args[1]
  7421  		x := v_0.Args[0]
  7422  		a := v_1
  7423  		if !(a.Block.Func.useFMA(v)) {
  7424  			break
  7425  		}
  7426  		v.reset(OpARM64FNMSUBD)
  7427  		v.AddArg3(a, x, y)
  7428  		return true
  7429  	}
  7430  	// match: (FSUBD a (FNMULD x y))
  7431  	// cond: a.Block.Func.useFMA(v)
  7432  	// result: (FMADDD a x y)
  7433  	for {
  7434  		a := v_0
  7435  		if v_1.Op != OpARM64FNMULD {
  7436  			break
  7437  		}
  7438  		y := v_1.Args[1]
  7439  		x := v_1.Args[0]
  7440  		if !(a.Block.Func.useFMA(v)) {
  7441  			break
  7442  		}
  7443  		v.reset(OpARM64FMADDD)
  7444  		v.AddArg3(a, x, y)
  7445  		return true
  7446  	}
  7447  	// match: (FSUBD (FNMULD x y) a)
  7448  	// cond: a.Block.Func.useFMA(v)
  7449  	// result: (FNMADDD a x y)
  7450  	for {
  7451  		if v_0.Op != OpARM64FNMULD {
  7452  			break
  7453  		}
  7454  		y := v_0.Args[1]
  7455  		x := v_0.Args[0]
  7456  		a := v_1
  7457  		if !(a.Block.Func.useFMA(v)) {
  7458  			break
  7459  		}
  7460  		v.reset(OpARM64FNMADDD)
  7461  		v.AddArg3(a, x, y)
  7462  		return true
  7463  	}
  7464  	return false
  7465  }
  7466  func rewriteValueARM64_OpARM64FSUBS(v *Value) bool {
  7467  	v_1 := v.Args[1]
  7468  	v_0 := v.Args[0]
  7469  	// match: (FSUBS a (FMULS x y))
  7470  	// cond: a.Block.Func.useFMA(v)
  7471  	// result: (FMSUBS a x y)
  7472  	for {
  7473  		a := v_0
  7474  		if v_1.Op != OpARM64FMULS {
  7475  			break
  7476  		}
  7477  		y := v_1.Args[1]
  7478  		x := v_1.Args[0]
  7479  		if !(a.Block.Func.useFMA(v)) {
  7480  			break
  7481  		}
  7482  		v.reset(OpARM64FMSUBS)
  7483  		v.AddArg3(a, x, y)
  7484  		return true
  7485  	}
  7486  	// match: (FSUBS (FMULS x y) a)
  7487  	// cond: a.Block.Func.useFMA(v)
  7488  	// result: (FNMSUBS a x y)
  7489  	for {
  7490  		if v_0.Op != OpARM64FMULS {
  7491  			break
  7492  		}
  7493  		y := v_0.Args[1]
  7494  		x := v_0.Args[0]
  7495  		a := v_1
  7496  		if !(a.Block.Func.useFMA(v)) {
  7497  			break
  7498  		}
  7499  		v.reset(OpARM64FNMSUBS)
  7500  		v.AddArg3(a, x, y)
  7501  		return true
  7502  	}
  7503  	// match: (FSUBS a (FNMULS x y))
  7504  	// cond: a.Block.Func.useFMA(v)
  7505  	// result: (FMADDS a x y)
  7506  	for {
  7507  		a := v_0
  7508  		if v_1.Op != OpARM64FNMULS {
  7509  			break
  7510  		}
  7511  		y := v_1.Args[1]
  7512  		x := v_1.Args[0]
  7513  		if !(a.Block.Func.useFMA(v)) {
  7514  			break
  7515  		}
  7516  		v.reset(OpARM64FMADDS)
  7517  		v.AddArg3(a, x, y)
  7518  		return true
  7519  	}
  7520  	// match: (FSUBS (FNMULS x y) a)
  7521  	// cond: a.Block.Func.useFMA(v)
  7522  	// result: (FNMADDS a x y)
  7523  	for {
  7524  		if v_0.Op != OpARM64FNMULS {
  7525  			break
  7526  		}
  7527  		y := v_0.Args[1]
  7528  		x := v_0.Args[0]
  7529  		a := v_1
  7530  		if !(a.Block.Func.useFMA(v)) {
  7531  			break
  7532  		}
  7533  		v.reset(OpARM64FNMADDS)
  7534  		v.AddArg3(a, x, y)
  7535  		return true
  7536  	}
  7537  	return false
  7538  }
  7539  func rewriteValueARM64_OpARM64GreaterEqual(v *Value) bool {
  7540  	v_0 := v.Args[0]
  7541  	b := v.Block
  7542  	// match: (GreaterEqual (CMPconst [0] z:(AND x y)))
  7543  	// cond: z.Uses == 1
  7544  	// result: (GreaterEqual (TST x y))
  7545  	for {
  7546  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7547  			break
  7548  		}
  7549  		z := v_0.Args[0]
  7550  		if z.Op != OpARM64AND {
  7551  			break
  7552  		}
  7553  		y := z.Args[1]
  7554  		x := z.Args[0]
  7555  		if !(z.Uses == 1) {
  7556  			break
  7557  		}
  7558  		v.reset(OpARM64GreaterEqual)
  7559  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  7560  		v0.AddArg2(x, y)
  7561  		v.AddArg(v0)
  7562  		return true
  7563  	}
  7564  	// match: (GreaterEqual (CMPWconst [0] x:(ANDconst [c] y)))
  7565  	// cond: x.Uses == 1
  7566  	// result: (GreaterEqual (TSTWconst [int32(c)] y))
  7567  	for {
  7568  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7569  			break
  7570  		}
  7571  		x := v_0.Args[0]
  7572  		if x.Op != OpARM64ANDconst {
  7573  			break
  7574  		}
  7575  		c := auxIntToInt64(x.AuxInt)
  7576  		y := x.Args[0]
  7577  		if !(x.Uses == 1) {
  7578  			break
  7579  		}
  7580  		v.reset(OpARM64GreaterEqual)
  7581  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  7582  		v0.AuxInt = int32ToAuxInt(int32(c))
  7583  		v0.AddArg(y)
  7584  		v.AddArg(v0)
  7585  		return true
  7586  	}
  7587  	// match: (GreaterEqual (CMPWconst [0] z:(AND x y)))
  7588  	// cond: z.Uses == 1
  7589  	// result: (GreaterEqual (TSTW x y))
  7590  	for {
  7591  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7592  			break
  7593  		}
  7594  		z := v_0.Args[0]
  7595  		if z.Op != OpARM64AND {
  7596  			break
  7597  		}
  7598  		y := z.Args[1]
  7599  		x := z.Args[0]
  7600  		if !(z.Uses == 1) {
  7601  			break
  7602  		}
  7603  		v.reset(OpARM64GreaterEqual)
  7604  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  7605  		v0.AddArg2(x, y)
  7606  		v.AddArg(v0)
  7607  		return true
  7608  	}
  7609  	// match: (GreaterEqual (CMPconst [0] x:(ANDconst [c] y)))
  7610  	// cond: x.Uses == 1
  7611  	// result: (GreaterEqual (TSTconst [c] y))
  7612  	for {
  7613  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7614  			break
  7615  		}
  7616  		x := v_0.Args[0]
  7617  		if x.Op != OpARM64ANDconst {
  7618  			break
  7619  		}
  7620  		c := auxIntToInt64(x.AuxInt)
  7621  		y := x.Args[0]
  7622  		if !(x.Uses == 1) {
  7623  			break
  7624  		}
  7625  		v.reset(OpARM64GreaterEqual)
  7626  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  7627  		v0.AuxInt = int64ToAuxInt(c)
  7628  		v0.AddArg(y)
  7629  		v.AddArg(v0)
  7630  		return true
  7631  	}
  7632  	// match: (GreaterEqual (CMPconst [0] x:(ADDconst [c] y)))
  7633  	// cond: x.Uses == 1
  7634  	// result: (GreaterEqualNoov (CMNconst [c] y))
  7635  	for {
  7636  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7637  			break
  7638  		}
  7639  		x := v_0.Args[0]
  7640  		if x.Op != OpARM64ADDconst {
  7641  			break
  7642  		}
  7643  		c := auxIntToInt64(x.AuxInt)
  7644  		y := x.Args[0]
  7645  		if !(x.Uses == 1) {
  7646  			break
  7647  		}
  7648  		v.reset(OpARM64GreaterEqualNoov)
  7649  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  7650  		v0.AuxInt = int64ToAuxInt(c)
  7651  		v0.AddArg(y)
  7652  		v.AddArg(v0)
  7653  		return true
  7654  	}
  7655  	// match: (GreaterEqual (CMPWconst [0] x:(ADDconst [c] y)))
  7656  	// cond: x.Uses == 1
  7657  	// result: (GreaterEqualNoov (CMNWconst [int32(c)] y))
  7658  	for {
  7659  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7660  			break
  7661  		}
  7662  		x := v_0.Args[0]
  7663  		if x.Op != OpARM64ADDconst {
  7664  			break
  7665  		}
  7666  		c := auxIntToInt64(x.AuxInt)
  7667  		y := x.Args[0]
  7668  		if !(x.Uses == 1) {
  7669  			break
  7670  		}
  7671  		v.reset(OpARM64GreaterEqualNoov)
  7672  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  7673  		v0.AuxInt = int32ToAuxInt(int32(c))
  7674  		v0.AddArg(y)
  7675  		v.AddArg(v0)
  7676  		return true
  7677  	}
  7678  	// match: (GreaterEqual (CMPconst [0] z:(ADD x y)))
  7679  	// cond: z.Uses == 1
  7680  	// result: (GreaterEqualNoov (CMN x y))
  7681  	for {
  7682  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7683  			break
  7684  		}
  7685  		z := v_0.Args[0]
  7686  		if z.Op != OpARM64ADD {
  7687  			break
  7688  		}
  7689  		y := z.Args[1]
  7690  		x := z.Args[0]
  7691  		if !(z.Uses == 1) {
  7692  			break
  7693  		}
  7694  		v.reset(OpARM64GreaterEqualNoov)
  7695  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  7696  		v0.AddArg2(x, y)
  7697  		v.AddArg(v0)
  7698  		return true
  7699  	}
  7700  	// match: (GreaterEqual (CMPWconst [0] z:(ADD x y)))
  7701  	// cond: z.Uses == 1
  7702  	// result: (GreaterEqualNoov (CMNW x y))
  7703  	for {
  7704  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7705  			break
  7706  		}
  7707  		z := v_0.Args[0]
  7708  		if z.Op != OpARM64ADD {
  7709  			break
  7710  		}
  7711  		y := z.Args[1]
  7712  		x := z.Args[0]
  7713  		if !(z.Uses == 1) {
  7714  			break
  7715  		}
  7716  		v.reset(OpARM64GreaterEqualNoov)
  7717  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  7718  		v0.AddArg2(x, y)
  7719  		v.AddArg(v0)
  7720  		return true
  7721  	}
  7722  	// match: (GreaterEqual (CMPconst [0] z:(MADD a x y)))
  7723  	// cond: z.Uses == 1
  7724  	// result: (GreaterEqualNoov (CMN a (MUL <x.Type> x y)))
  7725  	for {
  7726  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7727  			break
  7728  		}
  7729  		z := v_0.Args[0]
  7730  		if z.Op != OpARM64MADD {
  7731  			break
  7732  		}
  7733  		y := z.Args[2]
  7734  		a := z.Args[0]
  7735  		x := z.Args[1]
  7736  		if !(z.Uses == 1) {
  7737  			break
  7738  		}
  7739  		v.reset(OpARM64GreaterEqualNoov)
  7740  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  7741  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  7742  		v1.AddArg2(x, y)
  7743  		v0.AddArg2(a, v1)
  7744  		v.AddArg(v0)
  7745  		return true
  7746  	}
  7747  	// match: (GreaterEqual (CMPWconst [0] z:(MADDW a x y)))
  7748  	// cond: z.Uses == 1
  7749  	// result: (GreaterEqualNoov (CMNW a (MULW <x.Type> x y)))
  7750  	for {
  7751  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7752  			break
  7753  		}
  7754  		z := v_0.Args[0]
  7755  		if z.Op != OpARM64MADDW {
  7756  			break
  7757  		}
  7758  		y := z.Args[2]
  7759  		a := z.Args[0]
  7760  		x := z.Args[1]
  7761  		if !(z.Uses == 1) {
  7762  			break
  7763  		}
  7764  		v.reset(OpARM64GreaterEqualNoov)
  7765  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  7766  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  7767  		v1.AddArg2(x, y)
  7768  		v0.AddArg2(a, v1)
  7769  		v.AddArg(v0)
  7770  		return true
  7771  	}
  7772  	// match: (GreaterEqual (FlagConstant [fc]))
  7773  	// result: (MOVDconst [b2i(fc.ge())])
  7774  	for {
  7775  		if v_0.Op != OpARM64FlagConstant {
  7776  			break
  7777  		}
  7778  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7779  		v.reset(OpARM64MOVDconst)
  7780  		v.AuxInt = int64ToAuxInt(b2i(fc.ge()))
  7781  		return true
  7782  	}
  7783  	// match: (GreaterEqual (InvertFlags x))
  7784  	// result: (LessEqual x)
  7785  	for {
  7786  		if v_0.Op != OpARM64InvertFlags {
  7787  			break
  7788  		}
  7789  		x := v_0.Args[0]
  7790  		v.reset(OpARM64LessEqual)
  7791  		v.AddArg(x)
  7792  		return true
  7793  	}
  7794  	// match: (GreaterEqual (CMPconst x [0]))
  7795  	// result: (XORconst [1] (SRLconst <v.Type> [63] x))
  7796  	for {
  7797  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7798  			break
  7799  		}
  7800  		x := v_0.Args[0]
  7801  		v.reset(OpARM64XORconst)
  7802  		v.AuxInt = int64ToAuxInt(1)
  7803  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, v.Type)
  7804  		v0.AuxInt = int64ToAuxInt(63)
  7805  		v0.AddArg(x)
  7806  		v.AddArg(v0)
  7807  		return true
  7808  	}
  7809  	// match: (GreaterEqual (CMPWconst x [0]))
  7810  	// result: (XORconst [1] (UBFX <v.Type> [armBFAuxInt(31,1)] x))
  7811  	for {
  7812  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7813  			break
  7814  		}
  7815  		x := v_0.Args[0]
  7816  		v.reset(OpARM64XORconst)
  7817  		v.AuxInt = int64ToAuxInt(1)
  7818  		v0 := b.NewValue0(v.Pos, OpARM64UBFX, v.Type)
  7819  		v0.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(31, 1))
  7820  		v0.AddArg(x)
  7821  		v.AddArg(v0)
  7822  		return true
  7823  	}
  7824  	return false
  7825  }
  7826  func rewriteValueARM64_OpARM64GreaterEqualF(v *Value) bool {
  7827  	v_0 := v.Args[0]
  7828  	// match: (GreaterEqualF (InvertFlags x))
  7829  	// result: (LessEqualF x)
  7830  	for {
  7831  		if v_0.Op != OpARM64InvertFlags {
  7832  			break
  7833  		}
  7834  		x := v_0.Args[0]
  7835  		v.reset(OpARM64LessEqualF)
  7836  		v.AddArg(x)
  7837  		return true
  7838  	}
  7839  	return false
  7840  }
  7841  func rewriteValueARM64_OpARM64GreaterEqualNoov(v *Value) bool {
  7842  	v_0 := v.Args[0]
  7843  	// match: (GreaterEqualNoov (FlagConstant [fc]))
  7844  	// result: (MOVDconst [b2i(fc.geNoov())])
  7845  	for {
  7846  		if v_0.Op != OpARM64FlagConstant {
  7847  			break
  7848  		}
  7849  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7850  		v.reset(OpARM64MOVDconst)
  7851  		v.AuxInt = int64ToAuxInt(b2i(fc.geNoov()))
  7852  		return true
  7853  	}
  7854  	return false
  7855  }
  7856  func rewriteValueARM64_OpARM64GreaterEqualU(v *Value) bool {
  7857  	v_0 := v.Args[0]
  7858  	// match: (GreaterEqualU (FlagConstant [fc]))
  7859  	// result: (MOVDconst [b2i(fc.uge())])
  7860  	for {
  7861  		if v_0.Op != OpARM64FlagConstant {
  7862  			break
  7863  		}
  7864  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7865  		v.reset(OpARM64MOVDconst)
  7866  		v.AuxInt = int64ToAuxInt(b2i(fc.uge()))
  7867  		return true
  7868  	}
  7869  	// match: (GreaterEqualU (InvertFlags x))
  7870  	// result: (LessEqualU x)
  7871  	for {
  7872  		if v_0.Op != OpARM64InvertFlags {
  7873  			break
  7874  		}
  7875  		x := v_0.Args[0]
  7876  		v.reset(OpARM64LessEqualU)
  7877  		v.AddArg(x)
  7878  		return true
  7879  	}
  7880  	return false
  7881  }
  7882  func rewriteValueARM64_OpARM64GreaterThan(v *Value) bool {
  7883  	v_0 := v.Args[0]
  7884  	b := v.Block
  7885  	// match: (GreaterThan (CMPconst [0] z:(AND x y)))
  7886  	// cond: z.Uses == 1
  7887  	// result: (GreaterThan (TST x y))
  7888  	for {
  7889  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7890  			break
  7891  		}
  7892  		z := v_0.Args[0]
  7893  		if z.Op != OpARM64AND {
  7894  			break
  7895  		}
  7896  		y := z.Args[1]
  7897  		x := z.Args[0]
  7898  		if !(z.Uses == 1) {
  7899  			break
  7900  		}
  7901  		v.reset(OpARM64GreaterThan)
  7902  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  7903  		v0.AddArg2(x, y)
  7904  		v.AddArg(v0)
  7905  		return true
  7906  	}
  7907  	// match: (GreaterThan (CMPWconst [0] x:(ANDconst [c] y)))
  7908  	// cond: x.Uses == 1
  7909  	// result: (GreaterThan (TSTWconst [int32(c)] y))
  7910  	for {
  7911  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7912  			break
  7913  		}
  7914  		x := v_0.Args[0]
  7915  		if x.Op != OpARM64ANDconst {
  7916  			break
  7917  		}
  7918  		c := auxIntToInt64(x.AuxInt)
  7919  		y := x.Args[0]
  7920  		if !(x.Uses == 1) {
  7921  			break
  7922  		}
  7923  		v.reset(OpARM64GreaterThan)
  7924  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  7925  		v0.AuxInt = int32ToAuxInt(int32(c))
  7926  		v0.AddArg(y)
  7927  		v.AddArg(v0)
  7928  		return true
  7929  	}
  7930  	// match: (GreaterThan (CMPWconst [0] z:(AND x y)))
  7931  	// cond: z.Uses == 1
  7932  	// result: (GreaterThan (TSTW x y))
  7933  	for {
  7934  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7935  			break
  7936  		}
  7937  		z := v_0.Args[0]
  7938  		if z.Op != OpARM64AND {
  7939  			break
  7940  		}
  7941  		y := z.Args[1]
  7942  		x := z.Args[0]
  7943  		if !(z.Uses == 1) {
  7944  			break
  7945  		}
  7946  		v.reset(OpARM64GreaterThan)
  7947  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  7948  		v0.AddArg2(x, y)
  7949  		v.AddArg(v0)
  7950  		return true
  7951  	}
  7952  	// match: (GreaterThan (CMPconst [0] x:(ANDconst [c] y)))
  7953  	// cond: x.Uses == 1
  7954  	// result: (GreaterThan (TSTconst [c] y))
  7955  	for {
  7956  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7957  			break
  7958  		}
  7959  		x := v_0.Args[0]
  7960  		if x.Op != OpARM64ANDconst {
  7961  			break
  7962  		}
  7963  		c := auxIntToInt64(x.AuxInt)
  7964  		y := x.Args[0]
  7965  		if !(x.Uses == 1) {
  7966  			break
  7967  		}
  7968  		v.reset(OpARM64GreaterThan)
  7969  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  7970  		v0.AuxInt = int64ToAuxInt(c)
  7971  		v0.AddArg(y)
  7972  		v.AddArg(v0)
  7973  		return true
  7974  	}
  7975  	// match: (GreaterThan (FlagConstant [fc]))
  7976  	// result: (MOVDconst [b2i(fc.gt())])
  7977  	for {
  7978  		if v_0.Op != OpARM64FlagConstant {
  7979  			break
  7980  		}
  7981  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7982  		v.reset(OpARM64MOVDconst)
  7983  		v.AuxInt = int64ToAuxInt(b2i(fc.gt()))
  7984  		return true
  7985  	}
  7986  	// match: (GreaterThan (InvertFlags x))
  7987  	// result: (LessThan x)
  7988  	for {
  7989  		if v_0.Op != OpARM64InvertFlags {
  7990  			break
  7991  		}
  7992  		x := v_0.Args[0]
  7993  		v.reset(OpARM64LessThan)
  7994  		v.AddArg(x)
  7995  		return true
  7996  	}
  7997  	return false
  7998  }
  7999  func rewriteValueARM64_OpARM64GreaterThanF(v *Value) bool {
  8000  	v_0 := v.Args[0]
  8001  	// match: (GreaterThanF (InvertFlags x))
  8002  	// result: (LessThanF x)
  8003  	for {
  8004  		if v_0.Op != OpARM64InvertFlags {
  8005  			break
  8006  		}
  8007  		x := v_0.Args[0]
  8008  		v.reset(OpARM64LessThanF)
  8009  		v.AddArg(x)
  8010  		return true
  8011  	}
  8012  	return false
  8013  }
  8014  func rewriteValueARM64_OpARM64GreaterThanU(v *Value) bool {
  8015  	v_0 := v.Args[0]
  8016  	// match: (GreaterThanU (FlagConstant [fc]))
  8017  	// result: (MOVDconst [b2i(fc.ugt())])
  8018  	for {
  8019  		if v_0.Op != OpARM64FlagConstant {
  8020  			break
  8021  		}
  8022  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8023  		v.reset(OpARM64MOVDconst)
  8024  		v.AuxInt = int64ToAuxInt(b2i(fc.ugt()))
  8025  		return true
  8026  	}
  8027  	// match: (GreaterThanU (InvertFlags x))
  8028  	// result: (LessThanU x)
  8029  	for {
  8030  		if v_0.Op != OpARM64InvertFlags {
  8031  			break
  8032  		}
  8033  		x := v_0.Args[0]
  8034  		v.reset(OpARM64LessThanU)
  8035  		v.AddArg(x)
  8036  		return true
  8037  	}
  8038  	return false
  8039  }
  8040  func rewriteValueARM64_OpARM64LDP(v *Value) bool {
  8041  	v_1 := v.Args[1]
  8042  	v_0 := v.Args[0]
  8043  	b := v.Block
  8044  	config := b.Func.Config
  8045  	// match: (LDP [off1] {sym} (ADDconst [off2] ptr) mem)
  8046  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8047  	// result: (LDP [off1+int32(off2)] {sym} ptr mem)
  8048  	for {
  8049  		off1 := auxIntToInt32(v.AuxInt)
  8050  		sym := auxToSym(v.Aux)
  8051  		if v_0.Op != OpARM64ADDconst {
  8052  			break
  8053  		}
  8054  		off2 := auxIntToInt64(v_0.AuxInt)
  8055  		ptr := v_0.Args[0]
  8056  		mem := v_1
  8057  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8058  			break
  8059  		}
  8060  		v.reset(OpARM64LDP)
  8061  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8062  		v.Aux = symToAux(sym)
  8063  		v.AddArg2(ptr, mem)
  8064  		return true
  8065  	}
  8066  	// match: (LDP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8067  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8068  	// result: (LDP [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8069  	for {
  8070  		off1 := auxIntToInt32(v.AuxInt)
  8071  		sym1 := auxToSym(v.Aux)
  8072  		if v_0.Op != OpARM64MOVDaddr {
  8073  			break
  8074  		}
  8075  		off2 := auxIntToInt32(v_0.AuxInt)
  8076  		sym2 := auxToSym(v_0.Aux)
  8077  		ptr := v_0.Args[0]
  8078  		mem := v_1
  8079  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8080  			break
  8081  		}
  8082  		v.reset(OpARM64LDP)
  8083  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8084  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8085  		v.AddArg2(ptr, mem)
  8086  		return true
  8087  	}
  8088  	return false
  8089  }
  8090  func rewriteValueARM64_OpARM64LessEqual(v *Value) bool {
  8091  	v_0 := v.Args[0]
  8092  	b := v.Block
  8093  	// match: (LessEqual (CMPconst [0] z:(AND x y)))
  8094  	// cond: z.Uses == 1
  8095  	// result: (LessEqual (TST x y))
  8096  	for {
  8097  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8098  			break
  8099  		}
  8100  		z := v_0.Args[0]
  8101  		if z.Op != OpARM64AND {
  8102  			break
  8103  		}
  8104  		y := z.Args[1]
  8105  		x := z.Args[0]
  8106  		if !(z.Uses == 1) {
  8107  			break
  8108  		}
  8109  		v.reset(OpARM64LessEqual)
  8110  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  8111  		v0.AddArg2(x, y)
  8112  		v.AddArg(v0)
  8113  		return true
  8114  	}
  8115  	// match: (LessEqual (CMPWconst [0] x:(ANDconst [c] y)))
  8116  	// cond: x.Uses == 1
  8117  	// result: (LessEqual (TSTWconst [int32(c)] y))
  8118  	for {
  8119  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8120  			break
  8121  		}
  8122  		x := v_0.Args[0]
  8123  		if x.Op != OpARM64ANDconst {
  8124  			break
  8125  		}
  8126  		c := auxIntToInt64(x.AuxInt)
  8127  		y := x.Args[0]
  8128  		if !(x.Uses == 1) {
  8129  			break
  8130  		}
  8131  		v.reset(OpARM64LessEqual)
  8132  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  8133  		v0.AuxInt = int32ToAuxInt(int32(c))
  8134  		v0.AddArg(y)
  8135  		v.AddArg(v0)
  8136  		return true
  8137  	}
  8138  	// match: (LessEqual (CMPWconst [0] z:(AND x y)))
  8139  	// cond: z.Uses == 1
  8140  	// result: (LessEqual (TSTW x y))
  8141  	for {
  8142  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8143  			break
  8144  		}
  8145  		z := v_0.Args[0]
  8146  		if z.Op != OpARM64AND {
  8147  			break
  8148  		}
  8149  		y := z.Args[1]
  8150  		x := z.Args[0]
  8151  		if !(z.Uses == 1) {
  8152  			break
  8153  		}
  8154  		v.reset(OpARM64LessEqual)
  8155  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  8156  		v0.AddArg2(x, y)
  8157  		v.AddArg(v0)
  8158  		return true
  8159  	}
  8160  	// match: (LessEqual (CMPconst [0] x:(ANDconst [c] y)))
  8161  	// cond: x.Uses == 1
  8162  	// result: (LessEqual (TSTconst [c] y))
  8163  	for {
  8164  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8165  			break
  8166  		}
  8167  		x := v_0.Args[0]
  8168  		if x.Op != OpARM64ANDconst {
  8169  			break
  8170  		}
  8171  		c := auxIntToInt64(x.AuxInt)
  8172  		y := x.Args[0]
  8173  		if !(x.Uses == 1) {
  8174  			break
  8175  		}
  8176  		v.reset(OpARM64LessEqual)
  8177  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  8178  		v0.AuxInt = int64ToAuxInt(c)
  8179  		v0.AddArg(y)
  8180  		v.AddArg(v0)
  8181  		return true
  8182  	}
  8183  	// match: (LessEqual (FlagConstant [fc]))
  8184  	// result: (MOVDconst [b2i(fc.le())])
  8185  	for {
  8186  		if v_0.Op != OpARM64FlagConstant {
  8187  			break
  8188  		}
  8189  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8190  		v.reset(OpARM64MOVDconst)
  8191  		v.AuxInt = int64ToAuxInt(b2i(fc.le()))
  8192  		return true
  8193  	}
  8194  	// match: (LessEqual (InvertFlags x))
  8195  	// result: (GreaterEqual x)
  8196  	for {
  8197  		if v_0.Op != OpARM64InvertFlags {
  8198  			break
  8199  		}
  8200  		x := v_0.Args[0]
  8201  		v.reset(OpARM64GreaterEqual)
  8202  		v.AddArg(x)
  8203  		return true
  8204  	}
  8205  	return false
  8206  }
  8207  func rewriteValueARM64_OpARM64LessEqualF(v *Value) bool {
  8208  	v_0 := v.Args[0]
  8209  	// match: (LessEqualF (InvertFlags x))
  8210  	// result: (GreaterEqualF x)
  8211  	for {
  8212  		if v_0.Op != OpARM64InvertFlags {
  8213  			break
  8214  		}
  8215  		x := v_0.Args[0]
  8216  		v.reset(OpARM64GreaterEqualF)
  8217  		v.AddArg(x)
  8218  		return true
  8219  	}
  8220  	return false
  8221  }
  8222  func rewriteValueARM64_OpARM64LessEqualU(v *Value) bool {
  8223  	v_0 := v.Args[0]
  8224  	// match: (LessEqualU (FlagConstant [fc]))
  8225  	// result: (MOVDconst [b2i(fc.ule())])
  8226  	for {
  8227  		if v_0.Op != OpARM64FlagConstant {
  8228  			break
  8229  		}
  8230  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8231  		v.reset(OpARM64MOVDconst)
  8232  		v.AuxInt = int64ToAuxInt(b2i(fc.ule()))
  8233  		return true
  8234  	}
  8235  	// match: (LessEqualU (InvertFlags x))
  8236  	// result: (GreaterEqualU x)
  8237  	for {
  8238  		if v_0.Op != OpARM64InvertFlags {
  8239  			break
  8240  		}
  8241  		x := v_0.Args[0]
  8242  		v.reset(OpARM64GreaterEqualU)
  8243  		v.AddArg(x)
  8244  		return true
  8245  	}
  8246  	return false
  8247  }
  8248  func rewriteValueARM64_OpARM64LessThan(v *Value) bool {
  8249  	v_0 := v.Args[0]
  8250  	b := v.Block
  8251  	// match: (LessThan (CMPconst [0] z:(AND x y)))
  8252  	// cond: z.Uses == 1
  8253  	// result: (LessThan (TST x y))
  8254  	for {
  8255  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8256  			break
  8257  		}
  8258  		z := v_0.Args[0]
  8259  		if z.Op != OpARM64AND {
  8260  			break
  8261  		}
  8262  		y := z.Args[1]
  8263  		x := z.Args[0]
  8264  		if !(z.Uses == 1) {
  8265  			break
  8266  		}
  8267  		v.reset(OpARM64LessThan)
  8268  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  8269  		v0.AddArg2(x, y)
  8270  		v.AddArg(v0)
  8271  		return true
  8272  	}
  8273  	// match: (LessThan (CMPWconst [0] x:(ANDconst [c] y)))
  8274  	// cond: x.Uses == 1
  8275  	// result: (LessThan (TSTWconst [int32(c)] y))
  8276  	for {
  8277  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8278  			break
  8279  		}
  8280  		x := v_0.Args[0]
  8281  		if x.Op != OpARM64ANDconst {
  8282  			break
  8283  		}
  8284  		c := auxIntToInt64(x.AuxInt)
  8285  		y := x.Args[0]
  8286  		if !(x.Uses == 1) {
  8287  			break
  8288  		}
  8289  		v.reset(OpARM64LessThan)
  8290  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  8291  		v0.AuxInt = int32ToAuxInt(int32(c))
  8292  		v0.AddArg(y)
  8293  		v.AddArg(v0)
  8294  		return true
  8295  	}
  8296  	// match: (LessThan (CMPWconst [0] z:(AND x y)))
  8297  	// cond: z.Uses == 1
  8298  	// result: (LessThan (TSTW x y))
  8299  	for {
  8300  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8301  			break
  8302  		}
  8303  		z := v_0.Args[0]
  8304  		if z.Op != OpARM64AND {
  8305  			break
  8306  		}
  8307  		y := z.Args[1]
  8308  		x := z.Args[0]
  8309  		if !(z.Uses == 1) {
  8310  			break
  8311  		}
  8312  		v.reset(OpARM64LessThan)
  8313  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  8314  		v0.AddArg2(x, y)
  8315  		v.AddArg(v0)
  8316  		return true
  8317  	}
  8318  	// match: (LessThan (CMPconst [0] x:(ANDconst [c] y)))
  8319  	// cond: x.Uses == 1
  8320  	// result: (LessThan (TSTconst [c] y))
  8321  	for {
  8322  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8323  			break
  8324  		}
  8325  		x := v_0.Args[0]
  8326  		if x.Op != OpARM64ANDconst {
  8327  			break
  8328  		}
  8329  		c := auxIntToInt64(x.AuxInt)
  8330  		y := x.Args[0]
  8331  		if !(x.Uses == 1) {
  8332  			break
  8333  		}
  8334  		v.reset(OpARM64LessThan)
  8335  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  8336  		v0.AuxInt = int64ToAuxInt(c)
  8337  		v0.AddArg(y)
  8338  		v.AddArg(v0)
  8339  		return true
  8340  	}
  8341  	// match: (LessThan (CMPconst [0] x:(ADDconst [c] y)))
  8342  	// cond: x.Uses == 1
  8343  	// result: (LessThanNoov (CMNconst [c] y))
  8344  	for {
  8345  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8346  			break
  8347  		}
  8348  		x := v_0.Args[0]
  8349  		if x.Op != OpARM64ADDconst {
  8350  			break
  8351  		}
  8352  		c := auxIntToInt64(x.AuxInt)
  8353  		y := x.Args[0]
  8354  		if !(x.Uses == 1) {
  8355  			break
  8356  		}
  8357  		v.reset(OpARM64LessThanNoov)
  8358  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  8359  		v0.AuxInt = int64ToAuxInt(c)
  8360  		v0.AddArg(y)
  8361  		v.AddArg(v0)
  8362  		return true
  8363  	}
  8364  	// match: (LessThan (CMPWconst [0] x:(ADDconst [c] y)))
  8365  	// cond: x.Uses == 1
  8366  	// result: (LessThanNoov (CMNWconst [int32(c)] y))
  8367  	for {
  8368  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8369  			break
  8370  		}
  8371  		x := v_0.Args[0]
  8372  		if x.Op != OpARM64ADDconst {
  8373  			break
  8374  		}
  8375  		c := auxIntToInt64(x.AuxInt)
  8376  		y := x.Args[0]
  8377  		if !(x.Uses == 1) {
  8378  			break
  8379  		}
  8380  		v.reset(OpARM64LessThanNoov)
  8381  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  8382  		v0.AuxInt = int32ToAuxInt(int32(c))
  8383  		v0.AddArg(y)
  8384  		v.AddArg(v0)
  8385  		return true
  8386  	}
  8387  	// match: (LessThan (CMPconst [0] z:(ADD x y)))
  8388  	// cond: z.Uses == 1
  8389  	// result: (LessThanNoov (CMN x y))
  8390  	for {
  8391  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8392  			break
  8393  		}
  8394  		z := v_0.Args[0]
  8395  		if z.Op != OpARM64ADD {
  8396  			break
  8397  		}
  8398  		y := z.Args[1]
  8399  		x := z.Args[0]
  8400  		if !(z.Uses == 1) {
  8401  			break
  8402  		}
  8403  		v.reset(OpARM64LessThanNoov)
  8404  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  8405  		v0.AddArg2(x, y)
  8406  		v.AddArg(v0)
  8407  		return true
  8408  	}
  8409  	// match: (LessThan (CMPWconst [0] z:(ADD x y)))
  8410  	// cond: z.Uses == 1
  8411  	// result: (LessThanNoov (CMNW x y))
  8412  	for {
  8413  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8414  			break
  8415  		}
  8416  		z := v_0.Args[0]
  8417  		if z.Op != OpARM64ADD {
  8418  			break
  8419  		}
  8420  		y := z.Args[1]
  8421  		x := z.Args[0]
  8422  		if !(z.Uses == 1) {
  8423  			break
  8424  		}
  8425  		v.reset(OpARM64LessThanNoov)
  8426  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  8427  		v0.AddArg2(x, y)
  8428  		v.AddArg(v0)
  8429  		return true
  8430  	}
  8431  	// match: (LessThan (CMPconst [0] z:(MADD a x y)))
  8432  	// cond: z.Uses == 1
  8433  	// result: (LessThanNoov (CMN a (MUL <x.Type> x y)))
  8434  	for {
  8435  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8436  			break
  8437  		}
  8438  		z := v_0.Args[0]
  8439  		if z.Op != OpARM64MADD {
  8440  			break
  8441  		}
  8442  		y := z.Args[2]
  8443  		a := z.Args[0]
  8444  		x := z.Args[1]
  8445  		if !(z.Uses == 1) {
  8446  			break
  8447  		}
  8448  		v.reset(OpARM64LessThanNoov)
  8449  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  8450  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  8451  		v1.AddArg2(x, y)
  8452  		v0.AddArg2(a, v1)
  8453  		v.AddArg(v0)
  8454  		return true
  8455  	}
  8456  	// match: (LessThan (CMPWconst [0] z:(MADDW a x y)))
  8457  	// cond: z.Uses == 1
  8458  	// result: (LessThanNoov (CMNW a (MULW <x.Type> x y)))
  8459  	for {
  8460  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8461  			break
  8462  		}
  8463  		z := v_0.Args[0]
  8464  		if z.Op != OpARM64MADDW {
  8465  			break
  8466  		}
  8467  		y := z.Args[2]
  8468  		a := z.Args[0]
  8469  		x := z.Args[1]
  8470  		if !(z.Uses == 1) {
  8471  			break
  8472  		}
  8473  		v.reset(OpARM64LessThanNoov)
  8474  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  8475  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  8476  		v1.AddArg2(x, y)
  8477  		v0.AddArg2(a, v1)
  8478  		v.AddArg(v0)
  8479  		return true
  8480  	}
  8481  	// match: (LessThan (FlagConstant [fc]))
  8482  	// result: (MOVDconst [b2i(fc.lt())])
  8483  	for {
  8484  		if v_0.Op != OpARM64FlagConstant {
  8485  			break
  8486  		}
  8487  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8488  		v.reset(OpARM64MOVDconst)
  8489  		v.AuxInt = int64ToAuxInt(b2i(fc.lt()))
  8490  		return true
  8491  	}
  8492  	// match: (LessThan (InvertFlags x))
  8493  	// result: (GreaterThan x)
  8494  	for {
  8495  		if v_0.Op != OpARM64InvertFlags {
  8496  			break
  8497  		}
  8498  		x := v_0.Args[0]
  8499  		v.reset(OpARM64GreaterThan)
  8500  		v.AddArg(x)
  8501  		return true
  8502  	}
  8503  	// match: (LessThan (CMPconst x [0]))
  8504  	// result: (SRLconst [63] x)
  8505  	for {
  8506  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8507  			break
  8508  		}
  8509  		x := v_0.Args[0]
  8510  		v.reset(OpARM64SRLconst)
  8511  		v.AuxInt = int64ToAuxInt(63)
  8512  		v.AddArg(x)
  8513  		return true
  8514  	}
  8515  	// match: (LessThan (CMPWconst x [0]))
  8516  	// result: (UBFX [armBFAuxInt(31,1)] x)
  8517  	for {
  8518  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8519  			break
  8520  		}
  8521  		x := v_0.Args[0]
  8522  		v.reset(OpARM64UBFX)
  8523  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(31, 1))
  8524  		v.AddArg(x)
  8525  		return true
  8526  	}
  8527  	return false
  8528  }
  8529  func rewriteValueARM64_OpARM64LessThanF(v *Value) bool {
  8530  	v_0 := v.Args[0]
  8531  	// match: (LessThanF (InvertFlags x))
  8532  	// result: (GreaterThanF x)
  8533  	for {
  8534  		if v_0.Op != OpARM64InvertFlags {
  8535  			break
  8536  		}
  8537  		x := v_0.Args[0]
  8538  		v.reset(OpARM64GreaterThanF)
  8539  		v.AddArg(x)
  8540  		return true
  8541  	}
  8542  	return false
  8543  }
  8544  func rewriteValueARM64_OpARM64LessThanNoov(v *Value) bool {
  8545  	v_0 := v.Args[0]
  8546  	// match: (LessThanNoov (FlagConstant [fc]))
  8547  	// result: (MOVDconst [b2i(fc.ltNoov())])
  8548  	for {
  8549  		if v_0.Op != OpARM64FlagConstant {
  8550  			break
  8551  		}
  8552  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8553  		v.reset(OpARM64MOVDconst)
  8554  		v.AuxInt = int64ToAuxInt(b2i(fc.ltNoov()))
  8555  		return true
  8556  	}
  8557  	return false
  8558  }
  8559  func rewriteValueARM64_OpARM64LessThanU(v *Value) bool {
  8560  	v_0 := v.Args[0]
  8561  	// match: (LessThanU (FlagConstant [fc]))
  8562  	// result: (MOVDconst [b2i(fc.ult())])
  8563  	for {
  8564  		if v_0.Op != OpARM64FlagConstant {
  8565  			break
  8566  		}
  8567  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8568  		v.reset(OpARM64MOVDconst)
  8569  		v.AuxInt = int64ToAuxInt(b2i(fc.ult()))
  8570  		return true
  8571  	}
  8572  	// match: (LessThanU (InvertFlags x))
  8573  	// result: (GreaterThanU x)
  8574  	for {
  8575  		if v_0.Op != OpARM64InvertFlags {
  8576  			break
  8577  		}
  8578  		x := v_0.Args[0]
  8579  		v.reset(OpARM64GreaterThanU)
  8580  		v.AddArg(x)
  8581  		return true
  8582  	}
  8583  	return false
  8584  }
  8585  func rewriteValueARM64_OpARM64LoweredPanicBoundsCR(v *Value) bool {
  8586  	v_1 := v.Args[1]
  8587  	v_0 := v.Args[0]
  8588  	// match: (LoweredPanicBoundsCR [kind] {p} (MOVDconst [c]) mem)
  8589  	// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:p.C, Cy:c}} mem)
  8590  	for {
  8591  		kind := auxIntToInt64(v.AuxInt)
  8592  		p := auxToPanicBoundsC(v.Aux)
  8593  		if v_0.Op != OpARM64MOVDconst {
  8594  			break
  8595  		}
  8596  		c := auxIntToInt64(v_0.AuxInt)
  8597  		mem := v_1
  8598  		v.reset(OpARM64LoweredPanicBoundsCC)
  8599  		v.AuxInt = int64ToAuxInt(kind)
  8600  		v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: p.C, Cy: c})
  8601  		v.AddArg(mem)
  8602  		return true
  8603  	}
  8604  	return false
  8605  }
  8606  func rewriteValueARM64_OpARM64LoweredPanicBoundsRC(v *Value) bool {
  8607  	v_1 := v.Args[1]
  8608  	v_0 := v.Args[0]
  8609  	// match: (LoweredPanicBoundsRC [kind] {p} (MOVDconst [c]) mem)
  8610  	// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:c, Cy:p.C}} mem)
  8611  	for {
  8612  		kind := auxIntToInt64(v.AuxInt)
  8613  		p := auxToPanicBoundsC(v.Aux)
  8614  		if v_0.Op != OpARM64MOVDconst {
  8615  			break
  8616  		}
  8617  		c := auxIntToInt64(v_0.AuxInt)
  8618  		mem := v_1
  8619  		v.reset(OpARM64LoweredPanicBoundsCC)
  8620  		v.AuxInt = int64ToAuxInt(kind)
  8621  		v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: c, Cy: p.C})
  8622  		v.AddArg(mem)
  8623  		return true
  8624  	}
  8625  	return false
  8626  }
  8627  func rewriteValueARM64_OpARM64LoweredPanicBoundsRR(v *Value) bool {
  8628  	v_2 := v.Args[2]
  8629  	v_1 := v.Args[1]
  8630  	v_0 := v.Args[0]
  8631  	// match: (LoweredPanicBoundsRR [kind] x (MOVDconst [c]) mem)
  8632  	// result: (LoweredPanicBoundsRC [kind] x {PanicBoundsC{C:c}} mem)
  8633  	for {
  8634  		kind := auxIntToInt64(v.AuxInt)
  8635  		x := v_0
  8636  		if v_1.Op != OpARM64MOVDconst {
  8637  			break
  8638  		}
  8639  		c := auxIntToInt64(v_1.AuxInt)
  8640  		mem := v_2
  8641  		v.reset(OpARM64LoweredPanicBoundsRC)
  8642  		v.AuxInt = int64ToAuxInt(kind)
  8643  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: c})
  8644  		v.AddArg2(x, mem)
  8645  		return true
  8646  	}
  8647  	// match: (LoweredPanicBoundsRR [kind] (MOVDconst [c]) y mem)
  8648  	// result: (LoweredPanicBoundsCR [kind] {PanicBoundsC{C:c}} y mem)
  8649  	for {
  8650  		kind := auxIntToInt64(v.AuxInt)
  8651  		if v_0.Op != OpARM64MOVDconst {
  8652  			break
  8653  		}
  8654  		c := auxIntToInt64(v_0.AuxInt)
  8655  		y := v_1
  8656  		mem := v_2
  8657  		v.reset(OpARM64LoweredPanicBoundsCR)
  8658  		v.AuxInt = int64ToAuxInt(kind)
  8659  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: c})
  8660  		v.AddArg2(y, mem)
  8661  		return true
  8662  	}
  8663  	return false
  8664  }
  8665  func rewriteValueARM64_OpARM64MADD(v *Value) bool {
  8666  	v_2 := v.Args[2]
  8667  	v_1 := v.Args[1]
  8668  	v_0 := v.Args[0]
  8669  	b := v.Block
  8670  	// match: (MADD a x (MOVDconst [-1]))
  8671  	// result: (SUB a x)
  8672  	for {
  8673  		a := v_0
  8674  		x := v_1
  8675  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
  8676  			break
  8677  		}
  8678  		v.reset(OpARM64SUB)
  8679  		v.AddArg2(a, x)
  8680  		return true
  8681  	}
  8682  	// match: (MADD a _ (MOVDconst [0]))
  8683  	// result: a
  8684  	for {
  8685  		a := v_0
  8686  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  8687  			break
  8688  		}
  8689  		v.copyOf(a)
  8690  		return true
  8691  	}
  8692  	// match: (MADD a x (MOVDconst [1]))
  8693  	// result: (ADD a x)
  8694  	for {
  8695  		a := v_0
  8696  		x := v_1
  8697  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
  8698  			break
  8699  		}
  8700  		v.reset(OpARM64ADD)
  8701  		v.AddArg2(a, x)
  8702  		return true
  8703  	}
  8704  	// match: (MADD a x (MOVDconst [c]))
  8705  	// cond: isPowerOfTwo(c)
  8706  	// result: (ADDshiftLL a x [log64(c)])
  8707  	for {
  8708  		a := v_0
  8709  		x := v_1
  8710  		if v_2.Op != OpARM64MOVDconst {
  8711  			break
  8712  		}
  8713  		c := auxIntToInt64(v_2.AuxInt)
  8714  		if !(isPowerOfTwo(c)) {
  8715  			break
  8716  		}
  8717  		v.reset(OpARM64ADDshiftLL)
  8718  		v.AuxInt = int64ToAuxInt(log64(c))
  8719  		v.AddArg2(a, x)
  8720  		return true
  8721  	}
  8722  	// match: (MADD a x (MOVDconst [c]))
  8723  	// cond: isPowerOfTwo(c-1) && c>=3
  8724  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  8725  	for {
  8726  		a := v_0
  8727  		x := v_1
  8728  		if v_2.Op != OpARM64MOVDconst {
  8729  			break
  8730  		}
  8731  		c := auxIntToInt64(v_2.AuxInt)
  8732  		if !(isPowerOfTwo(c-1) && c >= 3) {
  8733  			break
  8734  		}
  8735  		v.reset(OpARM64ADD)
  8736  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8737  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  8738  		v0.AddArg2(x, x)
  8739  		v.AddArg2(a, v0)
  8740  		return true
  8741  	}
  8742  	// match: (MADD a x (MOVDconst [c]))
  8743  	// cond: isPowerOfTwo(c+1) && c>=7
  8744  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  8745  	for {
  8746  		a := v_0
  8747  		x := v_1
  8748  		if v_2.Op != OpARM64MOVDconst {
  8749  			break
  8750  		}
  8751  		c := auxIntToInt64(v_2.AuxInt)
  8752  		if !(isPowerOfTwo(c+1) && c >= 7) {
  8753  			break
  8754  		}
  8755  		v.reset(OpARM64SUB)
  8756  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8757  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  8758  		v0.AddArg2(x, x)
  8759  		v.AddArg2(a, v0)
  8760  		return true
  8761  	}
  8762  	// match: (MADD a x (MOVDconst [c]))
  8763  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  8764  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  8765  	for {
  8766  		a := v_0
  8767  		x := v_1
  8768  		if v_2.Op != OpARM64MOVDconst {
  8769  			break
  8770  		}
  8771  		c := auxIntToInt64(v_2.AuxInt)
  8772  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  8773  			break
  8774  		}
  8775  		v.reset(OpARM64SUBshiftLL)
  8776  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  8777  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8778  		v0.AuxInt = int64ToAuxInt(2)
  8779  		v0.AddArg2(x, x)
  8780  		v.AddArg2(a, v0)
  8781  		return true
  8782  	}
  8783  	// match: (MADD a x (MOVDconst [c]))
  8784  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  8785  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  8786  	for {
  8787  		a := v_0
  8788  		x := v_1
  8789  		if v_2.Op != OpARM64MOVDconst {
  8790  			break
  8791  		}
  8792  		c := auxIntToInt64(v_2.AuxInt)
  8793  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  8794  			break
  8795  		}
  8796  		v.reset(OpARM64ADDshiftLL)
  8797  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  8798  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8799  		v0.AuxInt = int64ToAuxInt(2)
  8800  		v0.AddArg2(x, x)
  8801  		v.AddArg2(a, v0)
  8802  		return true
  8803  	}
  8804  	// match: (MADD a x (MOVDconst [c]))
  8805  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
  8806  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  8807  	for {
  8808  		a := v_0
  8809  		x := v_1
  8810  		if v_2.Op != OpARM64MOVDconst {
  8811  			break
  8812  		}
  8813  		c := auxIntToInt64(v_2.AuxInt)
  8814  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
  8815  			break
  8816  		}
  8817  		v.reset(OpARM64SUBshiftLL)
  8818  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  8819  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8820  		v0.AuxInt = int64ToAuxInt(3)
  8821  		v0.AddArg2(x, x)
  8822  		v.AddArg2(a, v0)
  8823  		return true
  8824  	}
  8825  	// match: (MADD a x (MOVDconst [c]))
  8826  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  8827  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  8828  	for {
  8829  		a := v_0
  8830  		x := v_1
  8831  		if v_2.Op != OpARM64MOVDconst {
  8832  			break
  8833  		}
  8834  		c := auxIntToInt64(v_2.AuxInt)
  8835  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  8836  			break
  8837  		}
  8838  		v.reset(OpARM64ADDshiftLL)
  8839  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  8840  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8841  		v0.AuxInt = int64ToAuxInt(3)
  8842  		v0.AddArg2(x, x)
  8843  		v.AddArg2(a, v0)
  8844  		return true
  8845  	}
  8846  	// match: (MADD a (MOVDconst [-1]) x)
  8847  	// result: (SUB a x)
  8848  	for {
  8849  		a := v_0
  8850  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  8851  			break
  8852  		}
  8853  		x := v_2
  8854  		v.reset(OpARM64SUB)
  8855  		v.AddArg2(a, x)
  8856  		return true
  8857  	}
  8858  	// match: (MADD a (MOVDconst [0]) _)
  8859  	// result: a
  8860  	for {
  8861  		a := v_0
  8862  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  8863  			break
  8864  		}
  8865  		v.copyOf(a)
  8866  		return true
  8867  	}
  8868  	// match: (MADD a (MOVDconst [1]) x)
  8869  	// result: (ADD a x)
  8870  	for {
  8871  		a := v_0
  8872  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  8873  			break
  8874  		}
  8875  		x := v_2
  8876  		v.reset(OpARM64ADD)
  8877  		v.AddArg2(a, x)
  8878  		return true
  8879  	}
  8880  	// match: (MADD a (MOVDconst [c]) x)
  8881  	// cond: isPowerOfTwo(c)
  8882  	// result: (ADDshiftLL a x [log64(c)])
  8883  	for {
  8884  		a := v_0
  8885  		if v_1.Op != OpARM64MOVDconst {
  8886  			break
  8887  		}
  8888  		c := auxIntToInt64(v_1.AuxInt)
  8889  		x := v_2
  8890  		if !(isPowerOfTwo(c)) {
  8891  			break
  8892  		}
  8893  		v.reset(OpARM64ADDshiftLL)
  8894  		v.AuxInt = int64ToAuxInt(log64(c))
  8895  		v.AddArg2(a, x)
  8896  		return true
  8897  	}
  8898  	// match: (MADD a (MOVDconst [c]) x)
  8899  	// cond: isPowerOfTwo(c-1) && c>=3
  8900  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  8901  	for {
  8902  		a := v_0
  8903  		if v_1.Op != OpARM64MOVDconst {
  8904  			break
  8905  		}
  8906  		c := auxIntToInt64(v_1.AuxInt)
  8907  		x := v_2
  8908  		if !(isPowerOfTwo(c-1) && c >= 3) {
  8909  			break
  8910  		}
  8911  		v.reset(OpARM64ADD)
  8912  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8913  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  8914  		v0.AddArg2(x, x)
  8915  		v.AddArg2(a, v0)
  8916  		return true
  8917  	}
  8918  	// match: (MADD a (MOVDconst [c]) x)
  8919  	// cond: isPowerOfTwo(c+1) && c>=7
  8920  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  8921  	for {
  8922  		a := v_0
  8923  		if v_1.Op != OpARM64MOVDconst {
  8924  			break
  8925  		}
  8926  		c := auxIntToInt64(v_1.AuxInt)
  8927  		x := v_2
  8928  		if !(isPowerOfTwo(c+1) && c >= 7) {
  8929  			break
  8930  		}
  8931  		v.reset(OpARM64SUB)
  8932  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8933  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  8934  		v0.AddArg2(x, x)
  8935  		v.AddArg2(a, v0)
  8936  		return true
  8937  	}
  8938  	// match: (MADD a (MOVDconst [c]) x)
  8939  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  8940  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  8941  	for {
  8942  		a := v_0
  8943  		if v_1.Op != OpARM64MOVDconst {
  8944  			break
  8945  		}
  8946  		c := auxIntToInt64(v_1.AuxInt)
  8947  		x := v_2
  8948  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  8949  			break
  8950  		}
  8951  		v.reset(OpARM64SUBshiftLL)
  8952  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  8953  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8954  		v0.AuxInt = int64ToAuxInt(2)
  8955  		v0.AddArg2(x, x)
  8956  		v.AddArg2(a, v0)
  8957  		return true
  8958  	}
  8959  	// match: (MADD a (MOVDconst [c]) x)
  8960  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  8961  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  8962  	for {
  8963  		a := v_0
  8964  		if v_1.Op != OpARM64MOVDconst {
  8965  			break
  8966  		}
  8967  		c := auxIntToInt64(v_1.AuxInt)
  8968  		x := v_2
  8969  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  8970  			break
  8971  		}
  8972  		v.reset(OpARM64ADDshiftLL)
  8973  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  8974  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8975  		v0.AuxInt = int64ToAuxInt(2)
  8976  		v0.AddArg2(x, x)
  8977  		v.AddArg2(a, v0)
  8978  		return true
  8979  	}
  8980  	// match: (MADD a (MOVDconst [c]) x)
  8981  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
  8982  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  8983  	for {
  8984  		a := v_0
  8985  		if v_1.Op != OpARM64MOVDconst {
  8986  			break
  8987  		}
  8988  		c := auxIntToInt64(v_1.AuxInt)
  8989  		x := v_2
  8990  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
  8991  			break
  8992  		}
  8993  		v.reset(OpARM64SUBshiftLL)
  8994  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  8995  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8996  		v0.AuxInt = int64ToAuxInt(3)
  8997  		v0.AddArg2(x, x)
  8998  		v.AddArg2(a, v0)
  8999  		return true
  9000  	}
  9001  	// match: (MADD a (MOVDconst [c]) x)
  9002  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  9003  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  9004  	for {
  9005  		a := v_0
  9006  		if v_1.Op != OpARM64MOVDconst {
  9007  			break
  9008  		}
  9009  		c := auxIntToInt64(v_1.AuxInt)
  9010  		x := v_2
  9011  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  9012  			break
  9013  		}
  9014  		v.reset(OpARM64ADDshiftLL)
  9015  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  9016  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9017  		v0.AuxInt = int64ToAuxInt(3)
  9018  		v0.AddArg2(x, x)
  9019  		v.AddArg2(a, v0)
  9020  		return true
  9021  	}
  9022  	// match: (MADD (MOVDconst [c]) x y)
  9023  	// result: (ADDconst [c] (MUL <x.Type> x y))
  9024  	for {
  9025  		if v_0.Op != OpARM64MOVDconst {
  9026  			break
  9027  		}
  9028  		c := auxIntToInt64(v_0.AuxInt)
  9029  		x := v_1
  9030  		y := v_2
  9031  		v.reset(OpARM64ADDconst)
  9032  		v.AuxInt = int64ToAuxInt(c)
  9033  		v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  9034  		v0.AddArg2(x, y)
  9035  		v.AddArg(v0)
  9036  		return true
  9037  	}
  9038  	// match: (MADD a (MOVDconst [c]) (MOVDconst [d]))
  9039  	// result: (ADDconst [c*d] a)
  9040  	for {
  9041  		a := v_0
  9042  		if v_1.Op != OpARM64MOVDconst {
  9043  			break
  9044  		}
  9045  		c := auxIntToInt64(v_1.AuxInt)
  9046  		if v_2.Op != OpARM64MOVDconst {
  9047  			break
  9048  		}
  9049  		d := auxIntToInt64(v_2.AuxInt)
  9050  		v.reset(OpARM64ADDconst)
  9051  		v.AuxInt = int64ToAuxInt(c * d)
  9052  		v.AddArg(a)
  9053  		return true
  9054  	}
  9055  	return false
  9056  }
  9057  func rewriteValueARM64_OpARM64MADDW(v *Value) bool {
  9058  	v_2 := v.Args[2]
  9059  	v_1 := v.Args[1]
  9060  	v_0 := v.Args[0]
  9061  	b := v.Block
  9062  	// match: (MADDW a x (MOVDconst [c]))
  9063  	// cond: int32(c)==-1
  9064  	// result: (MOVWUreg (SUB <a.Type> a x))
  9065  	for {
  9066  		a := v_0
  9067  		x := v_1
  9068  		if v_2.Op != OpARM64MOVDconst {
  9069  			break
  9070  		}
  9071  		c := auxIntToInt64(v_2.AuxInt)
  9072  		if !(int32(c) == -1) {
  9073  			break
  9074  		}
  9075  		v.reset(OpARM64MOVWUreg)
  9076  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9077  		v0.AddArg2(a, x)
  9078  		v.AddArg(v0)
  9079  		return true
  9080  	}
  9081  	// match: (MADDW a _ (MOVDconst [c]))
  9082  	// cond: int32(c)==0
  9083  	// result: (MOVWUreg a)
  9084  	for {
  9085  		a := v_0
  9086  		if v_2.Op != OpARM64MOVDconst {
  9087  			break
  9088  		}
  9089  		c := auxIntToInt64(v_2.AuxInt)
  9090  		if !(int32(c) == 0) {
  9091  			break
  9092  		}
  9093  		v.reset(OpARM64MOVWUreg)
  9094  		v.AddArg(a)
  9095  		return true
  9096  	}
  9097  	// match: (MADDW a x (MOVDconst [c]))
  9098  	// cond: int32(c)==1
  9099  	// result: (MOVWUreg (ADD <a.Type> a x))
  9100  	for {
  9101  		a := v_0
  9102  		x := v_1
  9103  		if v_2.Op != OpARM64MOVDconst {
  9104  			break
  9105  		}
  9106  		c := auxIntToInt64(v_2.AuxInt)
  9107  		if !(int32(c) == 1) {
  9108  			break
  9109  		}
  9110  		v.reset(OpARM64MOVWUreg)
  9111  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9112  		v0.AddArg2(a, x)
  9113  		v.AddArg(v0)
  9114  		return true
  9115  	}
  9116  	// match: (MADDW a x (MOVDconst [c]))
  9117  	// cond: isPowerOfTwo(c)
  9118  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  9119  	for {
  9120  		a := v_0
  9121  		x := v_1
  9122  		if v_2.Op != OpARM64MOVDconst {
  9123  			break
  9124  		}
  9125  		c := auxIntToInt64(v_2.AuxInt)
  9126  		if !(isPowerOfTwo(c)) {
  9127  			break
  9128  		}
  9129  		v.reset(OpARM64MOVWUreg)
  9130  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9131  		v0.AuxInt = int64ToAuxInt(log64(c))
  9132  		v0.AddArg2(a, x)
  9133  		v.AddArg(v0)
  9134  		return true
  9135  	}
  9136  	// match: (MADDW a x (MOVDconst [c]))
  9137  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
  9138  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  9139  	for {
  9140  		a := v_0
  9141  		x := v_1
  9142  		if v_2.Op != OpARM64MOVDconst {
  9143  			break
  9144  		}
  9145  		c := auxIntToInt64(v_2.AuxInt)
  9146  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
  9147  			break
  9148  		}
  9149  		v.reset(OpARM64MOVWUreg)
  9150  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9151  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9152  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  9153  		v1.AddArg2(x, x)
  9154  		v0.AddArg2(a, v1)
  9155  		v.AddArg(v0)
  9156  		return true
  9157  	}
  9158  	// match: (MADDW a x (MOVDconst [c]))
  9159  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
  9160  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  9161  	for {
  9162  		a := v_0
  9163  		x := v_1
  9164  		if v_2.Op != OpARM64MOVDconst {
  9165  			break
  9166  		}
  9167  		c := auxIntToInt64(v_2.AuxInt)
  9168  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
  9169  			break
  9170  		}
  9171  		v.reset(OpARM64MOVWUreg)
  9172  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9173  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9174  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  9175  		v1.AddArg2(x, x)
  9176  		v0.AddArg2(a, v1)
  9177  		v.AddArg(v0)
  9178  		return true
  9179  	}
  9180  	// match: (MADDW a x (MOVDconst [c]))
  9181  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
  9182  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  9183  	for {
  9184  		a := v_0
  9185  		x := v_1
  9186  		if v_2.Op != OpARM64MOVDconst {
  9187  			break
  9188  		}
  9189  		c := auxIntToInt64(v_2.AuxInt)
  9190  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
  9191  			break
  9192  		}
  9193  		v.reset(OpARM64MOVWUreg)
  9194  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9195  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  9196  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9197  		v1.AuxInt = int64ToAuxInt(2)
  9198  		v1.AddArg2(x, x)
  9199  		v0.AddArg2(a, v1)
  9200  		v.AddArg(v0)
  9201  		return true
  9202  	}
  9203  	// match: (MADDW a x (MOVDconst [c]))
  9204  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
  9205  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  9206  	for {
  9207  		a := v_0
  9208  		x := v_1
  9209  		if v_2.Op != OpARM64MOVDconst {
  9210  			break
  9211  		}
  9212  		c := auxIntToInt64(v_2.AuxInt)
  9213  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
  9214  			break
  9215  		}
  9216  		v.reset(OpARM64MOVWUreg)
  9217  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9218  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  9219  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9220  		v1.AuxInt = int64ToAuxInt(2)
  9221  		v1.AddArg2(x, x)
  9222  		v0.AddArg2(a, v1)
  9223  		v.AddArg(v0)
  9224  		return true
  9225  	}
  9226  	// match: (MADDW a x (MOVDconst [c]))
  9227  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
  9228  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  9229  	for {
  9230  		a := v_0
  9231  		x := v_1
  9232  		if v_2.Op != OpARM64MOVDconst {
  9233  			break
  9234  		}
  9235  		c := auxIntToInt64(v_2.AuxInt)
  9236  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
  9237  			break
  9238  		}
  9239  		v.reset(OpARM64MOVWUreg)
  9240  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9241  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  9242  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9243  		v1.AuxInt = int64ToAuxInt(3)
  9244  		v1.AddArg2(x, x)
  9245  		v0.AddArg2(a, v1)
  9246  		v.AddArg(v0)
  9247  		return true
  9248  	}
  9249  	// match: (MADDW a x (MOVDconst [c]))
  9250  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
  9251  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  9252  	for {
  9253  		a := v_0
  9254  		x := v_1
  9255  		if v_2.Op != OpARM64MOVDconst {
  9256  			break
  9257  		}
  9258  		c := auxIntToInt64(v_2.AuxInt)
  9259  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
  9260  			break
  9261  		}
  9262  		v.reset(OpARM64MOVWUreg)
  9263  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9264  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  9265  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9266  		v1.AuxInt = int64ToAuxInt(3)
  9267  		v1.AddArg2(x, x)
  9268  		v0.AddArg2(a, v1)
  9269  		v.AddArg(v0)
  9270  		return true
  9271  	}
  9272  	// match: (MADDW a (MOVDconst [c]) x)
  9273  	// cond: int32(c)==-1
  9274  	// result: (MOVWUreg (SUB <a.Type> a x))
  9275  	for {
  9276  		a := v_0
  9277  		if v_1.Op != OpARM64MOVDconst {
  9278  			break
  9279  		}
  9280  		c := auxIntToInt64(v_1.AuxInt)
  9281  		x := v_2
  9282  		if !(int32(c) == -1) {
  9283  			break
  9284  		}
  9285  		v.reset(OpARM64MOVWUreg)
  9286  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9287  		v0.AddArg2(a, x)
  9288  		v.AddArg(v0)
  9289  		return true
  9290  	}
  9291  	// match: (MADDW a (MOVDconst [c]) _)
  9292  	// cond: int32(c)==0
  9293  	// result: (MOVWUreg a)
  9294  	for {
  9295  		a := v_0
  9296  		if v_1.Op != OpARM64MOVDconst {
  9297  			break
  9298  		}
  9299  		c := auxIntToInt64(v_1.AuxInt)
  9300  		if !(int32(c) == 0) {
  9301  			break
  9302  		}
  9303  		v.reset(OpARM64MOVWUreg)
  9304  		v.AddArg(a)
  9305  		return true
  9306  	}
  9307  	// match: (MADDW a (MOVDconst [c]) x)
  9308  	// cond: int32(c)==1
  9309  	// result: (MOVWUreg (ADD <a.Type> a x))
  9310  	for {
  9311  		a := v_0
  9312  		if v_1.Op != OpARM64MOVDconst {
  9313  			break
  9314  		}
  9315  		c := auxIntToInt64(v_1.AuxInt)
  9316  		x := v_2
  9317  		if !(int32(c) == 1) {
  9318  			break
  9319  		}
  9320  		v.reset(OpARM64MOVWUreg)
  9321  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9322  		v0.AddArg2(a, x)
  9323  		v.AddArg(v0)
  9324  		return true
  9325  	}
  9326  	// match: (MADDW a (MOVDconst [c]) x)
  9327  	// cond: isPowerOfTwo(c)
  9328  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  9329  	for {
  9330  		a := v_0
  9331  		if v_1.Op != OpARM64MOVDconst {
  9332  			break
  9333  		}
  9334  		c := auxIntToInt64(v_1.AuxInt)
  9335  		x := v_2
  9336  		if !(isPowerOfTwo(c)) {
  9337  			break
  9338  		}
  9339  		v.reset(OpARM64MOVWUreg)
  9340  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9341  		v0.AuxInt = int64ToAuxInt(log64(c))
  9342  		v0.AddArg2(a, x)
  9343  		v.AddArg(v0)
  9344  		return true
  9345  	}
  9346  	// match: (MADDW a (MOVDconst [c]) x)
  9347  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
  9348  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  9349  	for {
  9350  		a := v_0
  9351  		if v_1.Op != OpARM64MOVDconst {
  9352  			break
  9353  		}
  9354  		c := auxIntToInt64(v_1.AuxInt)
  9355  		x := v_2
  9356  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
  9357  			break
  9358  		}
  9359  		v.reset(OpARM64MOVWUreg)
  9360  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9361  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9362  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  9363  		v1.AddArg2(x, x)
  9364  		v0.AddArg2(a, v1)
  9365  		v.AddArg(v0)
  9366  		return true
  9367  	}
  9368  	// match: (MADDW a (MOVDconst [c]) x)
  9369  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
  9370  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  9371  	for {
  9372  		a := v_0
  9373  		if v_1.Op != OpARM64MOVDconst {
  9374  			break
  9375  		}
  9376  		c := auxIntToInt64(v_1.AuxInt)
  9377  		x := v_2
  9378  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
  9379  			break
  9380  		}
  9381  		v.reset(OpARM64MOVWUreg)
  9382  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9383  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9384  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  9385  		v1.AddArg2(x, x)
  9386  		v0.AddArg2(a, v1)
  9387  		v.AddArg(v0)
  9388  		return true
  9389  	}
  9390  	// match: (MADDW a (MOVDconst [c]) x)
  9391  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
  9392  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  9393  	for {
  9394  		a := v_0
  9395  		if v_1.Op != OpARM64MOVDconst {
  9396  			break
  9397  		}
  9398  		c := auxIntToInt64(v_1.AuxInt)
  9399  		x := v_2
  9400  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
  9401  			break
  9402  		}
  9403  		v.reset(OpARM64MOVWUreg)
  9404  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9405  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  9406  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9407  		v1.AuxInt = int64ToAuxInt(2)
  9408  		v1.AddArg2(x, x)
  9409  		v0.AddArg2(a, v1)
  9410  		v.AddArg(v0)
  9411  		return true
  9412  	}
  9413  	// match: (MADDW a (MOVDconst [c]) x)
  9414  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
  9415  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  9416  	for {
  9417  		a := v_0
  9418  		if v_1.Op != OpARM64MOVDconst {
  9419  			break
  9420  		}
  9421  		c := auxIntToInt64(v_1.AuxInt)
  9422  		x := v_2
  9423  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
  9424  			break
  9425  		}
  9426  		v.reset(OpARM64MOVWUreg)
  9427  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9428  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  9429  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9430  		v1.AuxInt = int64ToAuxInt(2)
  9431  		v1.AddArg2(x, x)
  9432  		v0.AddArg2(a, v1)
  9433  		v.AddArg(v0)
  9434  		return true
  9435  	}
  9436  	// match: (MADDW a (MOVDconst [c]) x)
  9437  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
  9438  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  9439  	for {
  9440  		a := v_0
  9441  		if v_1.Op != OpARM64MOVDconst {
  9442  			break
  9443  		}
  9444  		c := auxIntToInt64(v_1.AuxInt)
  9445  		x := v_2
  9446  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
  9447  			break
  9448  		}
  9449  		v.reset(OpARM64MOVWUreg)
  9450  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9451  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  9452  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9453  		v1.AuxInt = int64ToAuxInt(3)
  9454  		v1.AddArg2(x, x)
  9455  		v0.AddArg2(a, v1)
  9456  		v.AddArg(v0)
  9457  		return true
  9458  	}
  9459  	// match: (MADDW a (MOVDconst [c]) x)
  9460  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
  9461  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  9462  	for {
  9463  		a := v_0
  9464  		if v_1.Op != OpARM64MOVDconst {
  9465  			break
  9466  		}
  9467  		c := auxIntToInt64(v_1.AuxInt)
  9468  		x := v_2
  9469  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
  9470  			break
  9471  		}
  9472  		v.reset(OpARM64MOVWUreg)
  9473  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9474  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  9475  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9476  		v1.AuxInt = int64ToAuxInt(3)
  9477  		v1.AddArg2(x, x)
  9478  		v0.AddArg2(a, v1)
  9479  		v.AddArg(v0)
  9480  		return true
  9481  	}
  9482  	// match: (MADDW (MOVDconst [c]) x y)
  9483  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MULW <x.Type> x y)))
  9484  	for {
  9485  		if v_0.Op != OpARM64MOVDconst {
  9486  			break
  9487  		}
  9488  		c := auxIntToInt64(v_0.AuxInt)
  9489  		x := v_1
  9490  		y := v_2
  9491  		v.reset(OpARM64MOVWUreg)
  9492  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
  9493  		v0.AuxInt = int64ToAuxInt(c)
  9494  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  9495  		v1.AddArg2(x, y)
  9496  		v0.AddArg(v1)
  9497  		v.AddArg(v0)
  9498  		return true
  9499  	}
  9500  	// match: (MADDW a (MOVDconst [c]) (MOVDconst [d]))
  9501  	// result: (MOVWUreg (ADDconst <a.Type> [c*d] a))
  9502  	for {
  9503  		a := v_0
  9504  		if v_1.Op != OpARM64MOVDconst {
  9505  			break
  9506  		}
  9507  		c := auxIntToInt64(v_1.AuxInt)
  9508  		if v_2.Op != OpARM64MOVDconst {
  9509  			break
  9510  		}
  9511  		d := auxIntToInt64(v_2.AuxInt)
  9512  		v.reset(OpARM64MOVWUreg)
  9513  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, a.Type)
  9514  		v0.AuxInt = int64ToAuxInt(c * d)
  9515  		v0.AddArg(a)
  9516  		v.AddArg(v0)
  9517  		return true
  9518  	}
  9519  	return false
  9520  }
  9521  func rewriteValueARM64_OpARM64MNEG(v *Value) bool {
  9522  	v_1 := v.Args[1]
  9523  	v_0 := v.Args[0]
  9524  	b := v.Block
  9525  	// match: (MNEG x (MOVDconst [-1]))
  9526  	// result: x
  9527  	for {
  9528  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9529  			x := v_0
  9530  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  9531  				continue
  9532  			}
  9533  			v.copyOf(x)
  9534  			return true
  9535  		}
  9536  		break
  9537  	}
  9538  	// match: (MNEG _ (MOVDconst [0]))
  9539  	// result: (MOVDconst [0])
  9540  	for {
  9541  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9542  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  9543  				continue
  9544  			}
  9545  			v.reset(OpARM64MOVDconst)
  9546  			v.AuxInt = int64ToAuxInt(0)
  9547  			return true
  9548  		}
  9549  		break
  9550  	}
  9551  	// match: (MNEG x (MOVDconst [1]))
  9552  	// result: (NEG x)
  9553  	for {
  9554  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9555  			x := v_0
  9556  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  9557  				continue
  9558  			}
  9559  			v.reset(OpARM64NEG)
  9560  			v.AddArg(x)
  9561  			return true
  9562  		}
  9563  		break
  9564  	}
  9565  	// match: (MNEG x (MOVDconst [c]))
  9566  	// cond: isPowerOfTwo(c)
  9567  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  9568  	for {
  9569  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9570  			x := v_0
  9571  			if v_1.Op != OpARM64MOVDconst {
  9572  				continue
  9573  			}
  9574  			c := auxIntToInt64(v_1.AuxInt)
  9575  			if !(isPowerOfTwo(c)) {
  9576  				continue
  9577  			}
  9578  			v.reset(OpARM64NEG)
  9579  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9580  			v0.AuxInt = int64ToAuxInt(log64(c))
  9581  			v0.AddArg(x)
  9582  			v.AddArg(v0)
  9583  			return true
  9584  		}
  9585  		break
  9586  	}
  9587  	// match: (MNEG x (MOVDconst [c]))
  9588  	// cond: isPowerOfTwo(c-1) && c >= 3
  9589  	// result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)]))
  9590  	for {
  9591  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9592  			x := v_0
  9593  			if v_1.Op != OpARM64MOVDconst {
  9594  				continue
  9595  			}
  9596  			c := auxIntToInt64(v_1.AuxInt)
  9597  			if !(isPowerOfTwo(c-1) && c >= 3) {
  9598  				continue
  9599  			}
  9600  			v.reset(OpARM64NEG)
  9601  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9602  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
  9603  			v0.AddArg2(x, x)
  9604  			v.AddArg(v0)
  9605  			return true
  9606  		}
  9607  		break
  9608  	}
  9609  	// match: (MNEG x (MOVDconst [c]))
  9610  	// cond: isPowerOfTwo(c+1) && c >= 7
  9611  	// result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
  9612  	for {
  9613  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9614  			x := v_0
  9615  			if v_1.Op != OpARM64MOVDconst {
  9616  				continue
  9617  			}
  9618  			c := auxIntToInt64(v_1.AuxInt)
  9619  			if !(isPowerOfTwo(c+1) && c >= 7) {
  9620  				continue
  9621  			}
  9622  			v.reset(OpARM64NEG)
  9623  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9624  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
  9625  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9626  			v1.AddArg(x)
  9627  			v0.AddArg2(v1, x)
  9628  			v.AddArg(v0)
  9629  			return true
  9630  		}
  9631  		break
  9632  	}
  9633  	// match: (MNEG x (MOVDconst [c]))
  9634  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  9635  	// result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2]))
  9636  	for {
  9637  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9638  			x := v_0
  9639  			if v_1.Op != OpARM64MOVDconst {
  9640  				continue
  9641  			}
  9642  			c := auxIntToInt64(v_1.AuxInt)
  9643  			if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  9644  				continue
  9645  			}
  9646  			v.reset(OpARM64SLLconst)
  9647  			v.Type = x.Type
  9648  			v.AuxInt = int64ToAuxInt(log64(c / 3))
  9649  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9650  			v0.AuxInt = int64ToAuxInt(2)
  9651  			v0.AddArg2(x, x)
  9652  			v.AddArg(v0)
  9653  			return true
  9654  		}
  9655  		break
  9656  	}
  9657  	// match: (MNEG x (MOVDconst [c]))
  9658  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  9659  	// result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
  9660  	for {
  9661  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9662  			x := v_0
  9663  			if v_1.Op != OpARM64MOVDconst {
  9664  				continue
  9665  			}
  9666  			c := auxIntToInt64(v_1.AuxInt)
  9667  			if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  9668  				continue
  9669  			}
  9670  			v.reset(OpARM64NEG)
  9671  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9672  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
  9673  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9674  			v1.AuxInt = int64ToAuxInt(2)
  9675  			v1.AddArg2(x, x)
  9676  			v0.AddArg(v1)
  9677  			v.AddArg(v0)
  9678  			return true
  9679  		}
  9680  		break
  9681  	}
  9682  	// match: (MNEG x (MOVDconst [c]))
  9683  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
  9684  	// result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3]))
  9685  	for {
  9686  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9687  			x := v_0
  9688  			if v_1.Op != OpARM64MOVDconst {
  9689  				continue
  9690  			}
  9691  			c := auxIntToInt64(v_1.AuxInt)
  9692  			if !(c%7 == 0 && isPowerOfTwo(c/7)) {
  9693  				continue
  9694  			}
  9695  			v.reset(OpARM64SLLconst)
  9696  			v.Type = x.Type
  9697  			v.AuxInt = int64ToAuxInt(log64(c / 7))
  9698  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9699  			v0.AuxInt = int64ToAuxInt(3)
  9700  			v0.AddArg2(x, x)
  9701  			v.AddArg(v0)
  9702  			return true
  9703  		}
  9704  		break
  9705  	}
  9706  	// match: (MNEG x (MOVDconst [c]))
  9707  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  9708  	// result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
  9709  	for {
  9710  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9711  			x := v_0
  9712  			if v_1.Op != OpARM64MOVDconst {
  9713  				continue
  9714  			}
  9715  			c := auxIntToInt64(v_1.AuxInt)
  9716  			if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  9717  				continue
  9718  			}
  9719  			v.reset(OpARM64NEG)
  9720  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9721  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
  9722  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9723  			v1.AuxInt = int64ToAuxInt(3)
  9724  			v1.AddArg2(x, x)
  9725  			v0.AddArg(v1)
  9726  			v.AddArg(v0)
  9727  			return true
  9728  		}
  9729  		break
  9730  	}
  9731  	// match: (MNEG (MOVDconst [c]) (MOVDconst [d]))
  9732  	// result: (MOVDconst [-c*d])
  9733  	for {
  9734  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9735  			if v_0.Op != OpARM64MOVDconst {
  9736  				continue
  9737  			}
  9738  			c := auxIntToInt64(v_0.AuxInt)
  9739  			if v_1.Op != OpARM64MOVDconst {
  9740  				continue
  9741  			}
  9742  			d := auxIntToInt64(v_1.AuxInt)
  9743  			v.reset(OpARM64MOVDconst)
  9744  			v.AuxInt = int64ToAuxInt(-c * d)
  9745  			return true
  9746  		}
  9747  		break
  9748  	}
  9749  	return false
  9750  }
  9751  func rewriteValueARM64_OpARM64MNEGW(v *Value) bool {
  9752  	v_1 := v.Args[1]
  9753  	v_0 := v.Args[0]
  9754  	b := v.Block
  9755  	// match: (MNEGW x (MOVDconst [c]))
  9756  	// cond: int32(c)==-1
  9757  	// result: (MOVWUreg x)
  9758  	for {
  9759  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9760  			x := v_0
  9761  			if v_1.Op != OpARM64MOVDconst {
  9762  				continue
  9763  			}
  9764  			c := auxIntToInt64(v_1.AuxInt)
  9765  			if !(int32(c) == -1) {
  9766  				continue
  9767  			}
  9768  			v.reset(OpARM64MOVWUreg)
  9769  			v.AddArg(x)
  9770  			return true
  9771  		}
  9772  		break
  9773  	}
  9774  	// match: (MNEGW _ (MOVDconst [c]))
  9775  	// cond: int32(c)==0
  9776  	// result: (MOVDconst [0])
  9777  	for {
  9778  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9779  			if v_1.Op != OpARM64MOVDconst {
  9780  				continue
  9781  			}
  9782  			c := auxIntToInt64(v_1.AuxInt)
  9783  			if !(int32(c) == 0) {
  9784  				continue
  9785  			}
  9786  			v.reset(OpARM64MOVDconst)
  9787  			v.AuxInt = int64ToAuxInt(0)
  9788  			return true
  9789  		}
  9790  		break
  9791  	}
  9792  	// match: (MNEGW x (MOVDconst [c]))
  9793  	// cond: int32(c)==1
  9794  	// result: (MOVWUreg (NEG <x.Type> x))
  9795  	for {
  9796  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9797  			x := v_0
  9798  			if v_1.Op != OpARM64MOVDconst {
  9799  				continue
  9800  			}
  9801  			c := auxIntToInt64(v_1.AuxInt)
  9802  			if !(int32(c) == 1) {
  9803  				continue
  9804  			}
  9805  			v.reset(OpARM64MOVWUreg)
  9806  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9807  			v0.AddArg(x)
  9808  			v.AddArg(v0)
  9809  			return true
  9810  		}
  9811  		break
  9812  	}
  9813  	// match: (MNEGW x (MOVDconst [c]))
  9814  	// cond: isPowerOfTwo(c)
  9815  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  9816  	for {
  9817  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9818  			x := v_0
  9819  			if v_1.Op != OpARM64MOVDconst {
  9820  				continue
  9821  			}
  9822  			c := auxIntToInt64(v_1.AuxInt)
  9823  			if !(isPowerOfTwo(c)) {
  9824  				continue
  9825  			}
  9826  			v.reset(OpARM64NEG)
  9827  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9828  			v0.AuxInt = int64ToAuxInt(log64(c))
  9829  			v0.AddArg(x)
  9830  			v.AddArg(v0)
  9831  			return true
  9832  		}
  9833  		break
  9834  	}
  9835  	// match: (MNEGW x (MOVDconst [c]))
  9836  	// cond: isPowerOfTwo(c-1) && int32(c) >= 3
  9837  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> x x [log64(c-1)])))
  9838  	for {
  9839  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9840  			x := v_0
  9841  			if v_1.Op != OpARM64MOVDconst {
  9842  				continue
  9843  			}
  9844  			c := auxIntToInt64(v_1.AuxInt)
  9845  			if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
  9846  				continue
  9847  			}
  9848  			v.reset(OpARM64MOVWUreg)
  9849  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9850  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9851  			v1.AuxInt = int64ToAuxInt(log64(c - 1))
  9852  			v1.AddArg2(x, x)
  9853  			v0.AddArg(v1)
  9854  			v.AddArg(v0)
  9855  			return true
  9856  		}
  9857  		break
  9858  	}
  9859  	// match: (MNEGW x (MOVDconst [c]))
  9860  	// cond: isPowerOfTwo(c+1) && int32(c) >= 7
  9861  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])))
  9862  	for {
  9863  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9864  			x := v_0
  9865  			if v_1.Op != OpARM64MOVDconst {
  9866  				continue
  9867  			}
  9868  			c := auxIntToInt64(v_1.AuxInt)
  9869  			if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
  9870  				continue
  9871  			}
  9872  			v.reset(OpARM64MOVWUreg)
  9873  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9874  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9875  			v1.AuxInt = int64ToAuxInt(log64(c + 1))
  9876  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9877  			v2.AddArg(x)
  9878  			v1.AddArg2(v2, x)
  9879  			v0.AddArg(v1)
  9880  			v.AddArg(v0)
  9881  			return true
  9882  		}
  9883  		break
  9884  	}
  9885  	// match: (MNEGW x (MOVDconst [c]))
  9886  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
  9887  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])))
  9888  	for {
  9889  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9890  			x := v_0
  9891  			if v_1.Op != OpARM64MOVDconst {
  9892  				continue
  9893  			}
  9894  			c := auxIntToInt64(v_1.AuxInt)
  9895  			if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
  9896  				continue
  9897  			}
  9898  			v.reset(OpARM64MOVWUreg)
  9899  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9900  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
  9901  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9902  			v1.AuxInt = int64ToAuxInt(2)
  9903  			v1.AddArg2(x, x)
  9904  			v0.AddArg(v1)
  9905  			v.AddArg(v0)
  9906  			return true
  9907  		}
  9908  		break
  9909  	}
  9910  	// match: (MNEGW x (MOVDconst [c]))
  9911  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
  9912  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))))
  9913  	for {
  9914  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9915  			x := v_0
  9916  			if v_1.Op != OpARM64MOVDconst {
  9917  				continue
  9918  			}
  9919  			c := auxIntToInt64(v_1.AuxInt)
  9920  			if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
  9921  				continue
  9922  			}
  9923  			v.reset(OpARM64MOVWUreg)
  9924  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9925  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9926  			v1.AuxInt = int64ToAuxInt(log64(c / 5))
  9927  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9928  			v2.AuxInt = int64ToAuxInt(2)
  9929  			v2.AddArg2(x, x)
  9930  			v1.AddArg(v2)
  9931  			v0.AddArg(v1)
  9932  			v.AddArg(v0)
  9933  			return true
  9934  		}
  9935  		break
  9936  	}
  9937  	// match: (MNEGW x (MOVDconst [c]))
  9938  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
  9939  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])))
  9940  	for {
  9941  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9942  			x := v_0
  9943  			if v_1.Op != OpARM64MOVDconst {
  9944  				continue
  9945  			}
  9946  			c := auxIntToInt64(v_1.AuxInt)
  9947  			if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
  9948  				continue
  9949  			}
  9950  			v.reset(OpARM64MOVWUreg)
  9951  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9952  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
  9953  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9954  			v1.AuxInt = int64ToAuxInt(3)
  9955  			v1.AddArg2(x, x)
  9956  			v0.AddArg(v1)
  9957  			v.AddArg(v0)
  9958  			return true
  9959  		}
  9960  		break
  9961  	}
  9962  	// match: (MNEGW x (MOVDconst [c]))
  9963  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
  9964  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))))
  9965  	for {
  9966  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9967  			x := v_0
  9968  			if v_1.Op != OpARM64MOVDconst {
  9969  				continue
  9970  			}
  9971  			c := auxIntToInt64(v_1.AuxInt)
  9972  			if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
  9973  				continue
  9974  			}
  9975  			v.reset(OpARM64MOVWUreg)
  9976  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9977  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9978  			v1.AuxInt = int64ToAuxInt(log64(c / 9))
  9979  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9980  			v2.AuxInt = int64ToAuxInt(3)
  9981  			v2.AddArg2(x, x)
  9982  			v1.AddArg(v2)
  9983  			v0.AddArg(v1)
  9984  			v.AddArg(v0)
  9985  			return true
  9986  		}
  9987  		break
  9988  	}
  9989  	// match: (MNEGW (MOVDconst [c]) (MOVDconst [d]))
  9990  	// result: (MOVDconst [int64(uint32(-c*d))])
  9991  	for {
  9992  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9993  			if v_0.Op != OpARM64MOVDconst {
  9994  				continue
  9995  			}
  9996  			c := auxIntToInt64(v_0.AuxInt)
  9997  			if v_1.Op != OpARM64MOVDconst {
  9998  				continue
  9999  			}
 10000  			d := auxIntToInt64(v_1.AuxInt)
 10001  			v.reset(OpARM64MOVDconst)
 10002  			v.AuxInt = int64ToAuxInt(int64(uint32(-c * d)))
 10003  			return true
 10004  		}
 10005  		break
 10006  	}
 10007  	return false
 10008  }
 10009  func rewriteValueARM64_OpARM64MOD(v *Value) bool {
 10010  	v_1 := v.Args[1]
 10011  	v_0 := v.Args[0]
 10012  	// match: (MOD (MOVDconst [c]) (MOVDconst [d]))
 10013  	// cond: d != 0
 10014  	// result: (MOVDconst [c%d])
 10015  	for {
 10016  		if v_0.Op != OpARM64MOVDconst {
 10017  			break
 10018  		}
 10019  		c := auxIntToInt64(v_0.AuxInt)
 10020  		if v_1.Op != OpARM64MOVDconst {
 10021  			break
 10022  		}
 10023  		d := auxIntToInt64(v_1.AuxInt)
 10024  		if !(d != 0) {
 10025  			break
 10026  		}
 10027  		v.reset(OpARM64MOVDconst)
 10028  		v.AuxInt = int64ToAuxInt(c % d)
 10029  		return true
 10030  	}
 10031  	return false
 10032  }
 10033  func rewriteValueARM64_OpARM64MODW(v *Value) bool {
 10034  	v_1 := v.Args[1]
 10035  	v_0 := v.Args[0]
 10036  	// match: (MODW (MOVDconst [c]) (MOVDconst [d]))
 10037  	// cond: d != 0
 10038  	// result: (MOVDconst [int64(uint32(int32(c)%int32(d)))])
 10039  	for {
 10040  		if v_0.Op != OpARM64MOVDconst {
 10041  			break
 10042  		}
 10043  		c := auxIntToInt64(v_0.AuxInt)
 10044  		if v_1.Op != OpARM64MOVDconst {
 10045  			break
 10046  		}
 10047  		d := auxIntToInt64(v_1.AuxInt)
 10048  		if !(d != 0) {
 10049  			break
 10050  		}
 10051  		v.reset(OpARM64MOVDconst)
 10052  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) % int32(d))))
 10053  		return true
 10054  	}
 10055  	return false
 10056  }
 10057  func rewriteValueARM64_OpARM64MOVBUload(v *Value) bool {
 10058  	v_1 := v.Args[1]
 10059  	v_0 := v.Args[0]
 10060  	b := v.Block
 10061  	config := b.Func.Config
 10062  	// match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem)
 10063  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10064  	// result: (MOVBUload [off1+int32(off2)] {sym} ptr mem)
 10065  	for {
 10066  		off1 := auxIntToInt32(v.AuxInt)
 10067  		sym := auxToSym(v.Aux)
 10068  		if v_0.Op != OpARM64ADDconst {
 10069  			break
 10070  		}
 10071  		off2 := auxIntToInt64(v_0.AuxInt)
 10072  		ptr := v_0.Args[0]
 10073  		mem := v_1
 10074  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10075  			break
 10076  		}
 10077  		v.reset(OpARM64MOVBUload)
 10078  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10079  		v.Aux = symToAux(sym)
 10080  		v.AddArg2(ptr, mem)
 10081  		return true
 10082  	}
 10083  	// match: (MOVBUload [off] {sym} (ADD ptr idx) mem)
 10084  	// cond: off == 0 && sym == nil
 10085  	// result: (MOVBUloadidx ptr idx mem)
 10086  	for {
 10087  		off := auxIntToInt32(v.AuxInt)
 10088  		sym := auxToSym(v.Aux)
 10089  		if v_0.Op != OpARM64ADD {
 10090  			break
 10091  		}
 10092  		idx := v_0.Args[1]
 10093  		ptr := v_0.Args[0]
 10094  		mem := v_1
 10095  		if !(off == 0 && sym == nil) {
 10096  			break
 10097  		}
 10098  		v.reset(OpARM64MOVBUloadidx)
 10099  		v.AddArg3(ptr, idx, mem)
 10100  		return true
 10101  	}
 10102  	// match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10103  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10104  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10105  	for {
 10106  		off1 := auxIntToInt32(v.AuxInt)
 10107  		sym1 := auxToSym(v.Aux)
 10108  		if v_0.Op != OpARM64MOVDaddr {
 10109  			break
 10110  		}
 10111  		off2 := auxIntToInt32(v_0.AuxInt)
 10112  		sym2 := auxToSym(v_0.Aux)
 10113  		ptr := v_0.Args[0]
 10114  		mem := v_1
 10115  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10116  			break
 10117  		}
 10118  		v.reset(OpARM64MOVBUload)
 10119  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10120  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10121  		v.AddArg2(ptr, mem)
 10122  		return true
 10123  	}
 10124  	// match: (MOVBUload [off] {sym} (SB) _)
 10125  	// cond: symIsRO(sym)
 10126  	// result: (MOVDconst [int64(read8(sym, int64(off)))])
 10127  	for {
 10128  		off := auxIntToInt32(v.AuxInt)
 10129  		sym := auxToSym(v.Aux)
 10130  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10131  			break
 10132  		}
 10133  		v.reset(OpARM64MOVDconst)
 10134  		v.AuxInt = int64ToAuxInt(int64(read8(sym, int64(off))))
 10135  		return true
 10136  	}
 10137  	return false
 10138  }
 10139  func rewriteValueARM64_OpARM64MOVBUloadidx(v *Value) bool {
 10140  	v_2 := v.Args[2]
 10141  	v_1 := v.Args[1]
 10142  	v_0 := v.Args[0]
 10143  	// match: (MOVBUloadidx ptr (MOVDconst [c]) mem)
 10144  	// cond: is32Bit(c)
 10145  	// result: (MOVBUload [int32(c)] ptr mem)
 10146  	for {
 10147  		ptr := v_0
 10148  		if v_1.Op != OpARM64MOVDconst {
 10149  			break
 10150  		}
 10151  		c := auxIntToInt64(v_1.AuxInt)
 10152  		mem := v_2
 10153  		if !(is32Bit(c)) {
 10154  			break
 10155  		}
 10156  		v.reset(OpARM64MOVBUload)
 10157  		v.AuxInt = int32ToAuxInt(int32(c))
 10158  		v.AddArg2(ptr, mem)
 10159  		return true
 10160  	}
 10161  	// match: (MOVBUloadidx (MOVDconst [c]) ptr mem)
 10162  	// cond: is32Bit(c)
 10163  	// result: (MOVBUload [int32(c)] ptr mem)
 10164  	for {
 10165  		if v_0.Op != OpARM64MOVDconst {
 10166  			break
 10167  		}
 10168  		c := auxIntToInt64(v_0.AuxInt)
 10169  		ptr := v_1
 10170  		mem := v_2
 10171  		if !(is32Bit(c)) {
 10172  			break
 10173  		}
 10174  		v.reset(OpARM64MOVBUload)
 10175  		v.AuxInt = int32ToAuxInt(int32(c))
 10176  		v.AddArg2(ptr, mem)
 10177  		return true
 10178  	}
 10179  	return false
 10180  }
 10181  func rewriteValueARM64_OpARM64MOVBUreg(v *Value) bool {
 10182  	v_0 := v.Args[0]
 10183  	// match: (MOVBUreg (ANDconst [c] x))
 10184  	// result: (ANDconst [c&(1<<8-1)] x)
 10185  	for {
 10186  		if v_0.Op != OpARM64ANDconst {
 10187  			break
 10188  		}
 10189  		c := auxIntToInt64(v_0.AuxInt)
 10190  		x := v_0.Args[0]
 10191  		v.reset(OpARM64ANDconst)
 10192  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
 10193  		v.AddArg(x)
 10194  		return true
 10195  	}
 10196  	// match: (MOVBUreg (MOVDconst [c]))
 10197  	// result: (MOVDconst [int64(uint8(c))])
 10198  	for {
 10199  		if v_0.Op != OpARM64MOVDconst {
 10200  			break
 10201  		}
 10202  		c := auxIntToInt64(v_0.AuxInt)
 10203  		v.reset(OpARM64MOVDconst)
 10204  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
 10205  		return true
 10206  	}
 10207  	// match: (MOVBUreg x)
 10208  	// cond: v.Type.Size() <= 1
 10209  	// result: x
 10210  	for {
 10211  		x := v_0
 10212  		if !(v.Type.Size() <= 1) {
 10213  			break
 10214  		}
 10215  		v.copyOf(x)
 10216  		return true
 10217  	}
 10218  	// match: (MOVBUreg (SLLconst [lc] x))
 10219  	// cond: lc >= 8
 10220  	// result: (MOVDconst [0])
 10221  	for {
 10222  		if v_0.Op != OpARM64SLLconst {
 10223  			break
 10224  		}
 10225  		lc := auxIntToInt64(v_0.AuxInt)
 10226  		if !(lc >= 8) {
 10227  			break
 10228  		}
 10229  		v.reset(OpARM64MOVDconst)
 10230  		v.AuxInt = int64ToAuxInt(0)
 10231  		return true
 10232  	}
 10233  	// match: (MOVBUreg (SLLconst [lc] x))
 10234  	// cond: lc < 8
 10235  	// result: (UBFIZ [armBFAuxInt(lc, 8-lc)] x)
 10236  	for {
 10237  		if v_0.Op != OpARM64SLLconst {
 10238  			break
 10239  		}
 10240  		lc := auxIntToInt64(v_0.AuxInt)
 10241  		x := v_0.Args[0]
 10242  		if !(lc < 8) {
 10243  			break
 10244  		}
 10245  		v.reset(OpARM64UBFIZ)
 10246  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
 10247  		v.AddArg(x)
 10248  		return true
 10249  	}
 10250  	// match: (MOVBUreg (SRLconst [rc] x))
 10251  	// cond: rc < 8
 10252  	// result: (UBFX [armBFAuxInt(rc, 8)] x)
 10253  	for {
 10254  		if v_0.Op != OpARM64SRLconst {
 10255  			break
 10256  		}
 10257  		rc := auxIntToInt64(v_0.AuxInt)
 10258  		x := v_0.Args[0]
 10259  		if !(rc < 8) {
 10260  			break
 10261  		}
 10262  		v.reset(OpARM64UBFX)
 10263  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8))
 10264  		v.AddArg(x)
 10265  		return true
 10266  	}
 10267  	// match: (MOVBUreg (UBFX [bfc] x))
 10268  	// cond: bfc.width() <= 8
 10269  	// result: (UBFX [bfc] x)
 10270  	for {
 10271  		if v_0.Op != OpARM64UBFX {
 10272  			break
 10273  		}
 10274  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10275  		x := v_0.Args[0]
 10276  		if !(bfc.width() <= 8) {
 10277  			break
 10278  		}
 10279  		v.reset(OpARM64UBFX)
 10280  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10281  		v.AddArg(x)
 10282  		return true
 10283  	}
 10284  	return false
 10285  }
 10286  func rewriteValueARM64_OpARM64MOVBload(v *Value) bool {
 10287  	v_1 := v.Args[1]
 10288  	v_0 := v.Args[0]
 10289  	b := v.Block
 10290  	config := b.Func.Config
 10291  	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
 10292  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10293  	// result: (MOVBload [off1+int32(off2)] {sym} ptr mem)
 10294  	for {
 10295  		off1 := auxIntToInt32(v.AuxInt)
 10296  		sym := auxToSym(v.Aux)
 10297  		if v_0.Op != OpARM64ADDconst {
 10298  			break
 10299  		}
 10300  		off2 := auxIntToInt64(v_0.AuxInt)
 10301  		ptr := v_0.Args[0]
 10302  		mem := v_1
 10303  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10304  			break
 10305  		}
 10306  		v.reset(OpARM64MOVBload)
 10307  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10308  		v.Aux = symToAux(sym)
 10309  		v.AddArg2(ptr, mem)
 10310  		return true
 10311  	}
 10312  	// match: (MOVBload [off] {sym} (ADD ptr idx) mem)
 10313  	// cond: off == 0 && sym == nil
 10314  	// result: (MOVBloadidx ptr idx mem)
 10315  	for {
 10316  		off := auxIntToInt32(v.AuxInt)
 10317  		sym := auxToSym(v.Aux)
 10318  		if v_0.Op != OpARM64ADD {
 10319  			break
 10320  		}
 10321  		idx := v_0.Args[1]
 10322  		ptr := v_0.Args[0]
 10323  		mem := v_1
 10324  		if !(off == 0 && sym == nil) {
 10325  			break
 10326  		}
 10327  		v.reset(OpARM64MOVBloadidx)
 10328  		v.AddArg3(ptr, idx, mem)
 10329  		return true
 10330  	}
 10331  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10332  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10333  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10334  	for {
 10335  		off1 := auxIntToInt32(v.AuxInt)
 10336  		sym1 := auxToSym(v.Aux)
 10337  		if v_0.Op != OpARM64MOVDaddr {
 10338  			break
 10339  		}
 10340  		off2 := auxIntToInt32(v_0.AuxInt)
 10341  		sym2 := auxToSym(v_0.Aux)
 10342  		ptr := v_0.Args[0]
 10343  		mem := v_1
 10344  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10345  			break
 10346  		}
 10347  		v.reset(OpARM64MOVBload)
 10348  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10349  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10350  		v.AddArg2(ptr, mem)
 10351  		return true
 10352  	}
 10353  	// match: (MOVBload [off] {sym} (SB) _)
 10354  	// cond: symIsRO(sym)
 10355  	// result: (MOVDconst [int64(int8(read8(sym, int64(off))))])
 10356  	for {
 10357  		off := auxIntToInt32(v.AuxInt)
 10358  		sym := auxToSym(v.Aux)
 10359  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10360  			break
 10361  		}
 10362  		v.reset(OpARM64MOVDconst)
 10363  		v.AuxInt = int64ToAuxInt(int64(int8(read8(sym, int64(off)))))
 10364  		return true
 10365  	}
 10366  	return false
 10367  }
 10368  func rewriteValueARM64_OpARM64MOVBloadidx(v *Value) bool {
 10369  	v_2 := v.Args[2]
 10370  	v_1 := v.Args[1]
 10371  	v_0 := v.Args[0]
 10372  	// match: (MOVBloadidx ptr (MOVDconst [c]) mem)
 10373  	// cond: is32Bit(c)
 10374  	// result: (MOVBload [int32(c)] ptr mem)
 10375  	for {
 10376  		ptr := v_0
 10377  		if v_1.Op != OpARM64MOVDconst {
 10378  			break
 10379  		}
 10380  		c := auxIntToInt64(v_1.AuxInt)
 10381  		mem := v_2
 10382  		if !(is32Bit(c)) {
 10383  			break
 10384  		}
 10385  		v.reset(OpARM64MOVBload)
 10386  		v.AuxInt = int32ToAuxInt(int32(c))
 10387  		v.AddArg2(ptr, mem)
 10388  		return true
 10389  	}
 10390  	// match: (MOVBloadidx (MOVDconst [c]) ptr mem)
 10391  	// cond: is32Bit(c)
 10392  	// result: (MOVBload [int32(c)] ptr mem)
 10393  	for {
 10394  		if v_0.Op != OpARM64MOVDconst {
 10395  			break
 10396  		}
 10397  		c := auxIntToInt64(v_0.AuxInt)
 10398  		ptr := v_1
 10399  		mem := v_2
 10400  		if !(is32Bit(c)) {
 10401  			break
 10402  		}
 10403  		v.reset(OpARM64MOVBload)
 10404  		v.AuxInt = int32ToAuxInt(int32(c))
 10405  		v.AddArg2(ptr, mem)
 10406  		return true
 10407  	}
 10408  	return false
 10409  }
 10410  func rewriteValueARM64_OpARM64MOVBreg(v *Value) bool {
 10411  	v_0 := v.Args[0]
 10412  	// match: (MOVBreg (MOVDconst [c]))
 10413  	// result: (MOVDconst [int64(int8(c))])
 10414  	for {
 10415  		if v_0.Op != OpARM64MOVDconst {
 10416  			break
 10417  		}
 10418  		c := auxIntToInt64(v_0.AuxInt)
 10419  		v.reset(OpARM64MOVDconst)
 10420  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
 10421  		return true
 10422  	}
 10423  	// match: (MOVBreg x)
 10424  	// cond: v.Type.Size() <= 1
 10425  	// result: x
 10426  	for {
 10427  		x := v_0
 10428  		if !(v.Type.Size() <= 1) {
 10429  			break
 10430  		}
 10431  		v.copyOf(x)
 10432  		return true
 10433  	}
 10434  	// match: (MOVBreg <t> (ANDconst x [c]))
 10435  	// cond: uint64(c) & uint64(0xffffffffffffff80) == 0
 10436  	// result: (ANDconst <t> x [c])
 10437  	for {
 10438  		t := v.Type
 10439  		if v_0.Op != OpARM64ANDconst {
 10440  			break
 10441  		}
 10442  		c := auxIntToInt64(v_0.AuxInt)
 10443  		x := v_0.Args[0]
 10444  		if !(uint64(c)&uint64(0xffffffffffffff80) == 0) {
 10445  			break
 10446  		}
 10447  		v.reset(OpARM64ANDconst)
 10448  		v.Type = t
 10449  		v.AuxInt = int64ToAuxInt(c)
 10450  		v.AddArg(x)
 10451  		return true
 10452  	}
 10453  	// match: (MOVBreg (SLLconst [lc] x))
 10454  	// cond: lc < 8
 10455  	// result: (SBFIZ [armBFAuxInt(lc, 8-lc)] x)
 10456  	for {
 10457  		if v_0.Op != OpARM64SLLconst {
 10458  			break
 10459  		}
 10460  		lc := auxIntToInt64(v_0.AuxInt)
 10461  		x := v_0.Args[0]
 10462  		if !(lc < 8) {
 10463  			break
 10464  		}
 10465  		v.reset(OpARM64SBFIZ)
 10466  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
 10467  		v.AddArg(x)
 10468  		return true
 10469  	}
 10470  	// match: (MOVBreg (SBFX [bfc] x))
 10471  	// cond: bfc.width() <= 8
 10472  	// result: (SBFX [bfc] x)
 10473  	for {
 10474  		if v_0.Op != OpARM64SBFX {
 10475  			break
 10476  		}
 10477  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10478  		x := v_0.Args[0]
 10479  		if !(bfc.width() <= 8) {
 10480  			break
 10481  		}
 10482  		v.reset(OpARM64SBFX)
 10483  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10484  		v.AddArg(x)
 10485  		return true
 10486  	}
 10487  	return false
 10488  }
 10489  func rewriteValueARM64_OpARM64MOVBstore(v *Value) bool {
 10490  	v_2 := v.Args[2]
 10491  	v_1 := v.Args[1]
 10492  	v_0 := v.Args[0]
 10493  	b := v.Block
 10494  	config := b.Func.Config
 10495  	// match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 10496  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10497  	// result: (MOVBstore [off1+int32(off2)] {sym} ptr val mem)
 10498  	for {
 10499  		off1 := auxIntToInt32(v.AuxInt)
 10500  		sym := auxToSym(v.Aux)
 10501  		if v_0.Op != OpARM64ADDconst {
 10502  			break
 10503  		}
 10504  		off2 := auxIntToInt64(v_0.AuxInt)
 10505  		ptr := v_0.Args[0]
 10506  		val := v_1
 10507  		mem := v_2
 10508  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10509  			break
 10510  		}
 10511  		v.reset(OpARM64MOVBstore)
 10512  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10513  		v.Aux = symToAux(sym)
 10514  		v.AddArg3(ptr, val, mem)
 10515  		return true
 10516  	}
 10517  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
 10518  	// cond: off == 0 && sym == nil
 10519  	// result: (MOVBstoreidx ptr idx val mem)
 10520  	for {
 10521  		off := auxIntToInt32(v.AuxInt)
 10522  		sym := auxToSym(v.Aux)
 10523  		if v_0.Op != OpARM64ADD {
 10524  			break
 10525  		}
 10526  		idx := v_0.Args[1]
 10527  		ptr := v_0.Args[0]
 10528  		val := v_1
 10529  		mem := v_2
 10530  		if !(off == 0 && sym == nil) {
 10531  			break
 10532  		}
 10533  		v.reset(OpARM64MOVBstoreidx)
 10534  		v.AddArg4(ptr, idx, val, mem)
 10535  		return true
 10536  	}
 10537  	// match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 10538  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10539  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 10540  	for {
 10541  		off1 := auxIntToInt32(v.AuxInt)
 10542  		sym1 := auxToSym(v.Aux)
 10543  		if v_0.Op != OpARM64MOVDaddr {
 10544  			break
 10545  		}
 10546  		off2 := auxIntToInt32(v_0.AuxInt)
 10547  		sym2 := auxToSym(v_0.Aux)
 10548  		ptr := v_0.Args[0]
 10549  		val := v_1
 10550  		mem := v_2
 10551  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10552  			break
 10553  		}
 10554  		v.reset(OpARM64MOVBstore)
 10555  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10556  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10557  		v.AddArg3(ptr, val, mem)
 10558  		return true
 10559  	}
 10560  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
 10561  	// result: (MOVBstore [off] {sym} ptr x mem)
 10562  	for {
 10563  		off := auxIntToInt32(v.AuxInt)
 10564  		sym := auxToSym(v.Aux)
 10565  		ptr := v_0
 10566  		if v_1.Op != OpARM64MOVBreg {
 10567  			break
 10568  		}
 10569  		x := v_1.Args[0]
 10570  		mem := v_2
 10571  		v.reset(OpARM64MOVBstore)
 10572  		v.AuxInt = int32ToAuxInt(off)
 10573  		v.Aux = symToAux(sym)
 10574  		v.AddArg3(ptr, x, mem)
 10575  		return true
 10576  	}
 10577  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
 10578  	// result: (MOVBstore [off] {sym} ptr x mem)
 10579  	for {
 10580  		off := auxIntToInt32(v.AuxInt)
 10581  		sym := auxToSym(v.Aux)
 10582  		ptr := v_0
 10583  		if v_1.Op != OpARM64MOVBUreg {
 10584  			break
 10585  		}
 10586  		x := v_1.Args[0]
 10587  		mem := v_2
 10588  		v.reset(OpARM64MOVBstore)
 10589  		v.AuxInt = int32ToAuxInt(off)
 10590  		v.Aux = symToAux(sym)
 10591  		v.AddArg3(ptr, x, mem)
 10592  		return true
 10593  	}
 10594  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
 10595  	// result: (MOVBstore [off] {sym} ptr x mem)
 10596  	for {
 10597  		off := auxIntToInt32(v.AuxInt)
 10598  		sym := auxToSym(v.Aux)
 10599  		ptr := v_0
 10600  		if v_1.Op != OpARM64MOVHreg {
 10601  			break
 10602  		}
 10603  		x := v_1.Args[0]
 10604  		mem := v_2
 10605  		v.reset(OpARM64MOVBstore)
 10606  		v.AuxInt = int32ToAuxInt(off)
 10607  		v.Aux = symToAux(sym)
 10608  		v.AddArg3(ptr, x, mem)
 10609  		return true
 10610  	}
 10611  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
 10612  	// result: (MOVBstore [off] {sym} ptr x mem)
 10613  	for {
 10614  		off := auxIntToInt32(v.AuxInt)
 10615  		sym := auxToSym(v.Aux)
 10616  		ptr := v_0
 10617  		if v_1.Op != OpARM64MOVHUreg {
 10618  			break
 10619  		}
 10620  		x := v_1.Args[0]
 10621  		mem := v_2
 10622  		v.reset(OpARM64MOVBstore)
 10623  		v.AuxInt = int32ToAuxInt(off)
 10624  		v.Aux = symToAux(sym)
 10625  		v.AddArg3(ptr, x, mem)
 10626  		return true
 10627  	}
 10628  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
 10629  	// result: (MOVBstore [off] {sym} ptr x mem)
 10630  	for {
 10631  		off := auxIntToInt32(v.AuxInt)
 10632  		sym := auxToSym(v.Aux)
 10633  		ptr := v_0
 10634  		if v_1.Op != OpARM64MOVWreg {
 10635  			break
 10636  		}
 10637  		x := v_1.Args[0]
 10638  		mem := v_2
 10639  		v.reset(OpARM64MOVBstore)
 10640  		v.AuxInt = int32ToAuxInt(off)
 10641  		v.Aux = symToAux(sym)
 10642  		v.AddArg3(ptr, x, mem)
 10643  		return true
 10644  	}
 10645  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
 10646  	// result: (MOVBstore [off] {sym} ptr x mem)
 10647  	for {
 10648  		off := auxIntToInt32(v.AuxInt)
 10649  		sym := auxToSym(v.Aux)
 10650  		ptr := v_0
 10651  		if v_1.Op != OpARM64MOVWUreg {
 10652  			break
 10653  		}
 10654  		x := v_1.Args[0]
 10655  		mem := v_2
 10656  		v.reset(OpARM64MOVBstore)
 10657  		v.AuxInt = int32ToAuxInt(off)
 10658  		v.Aux = symToAux(sym)
 10659  		v.AddArg3(ptr, x, mem)
 10660  		return true
 10661  	}
 10662  	return false
 10663  }
 10664  func rewriteValueARM64_OpARM64MOVBstoreidx(v *Value) bool {
 10665  	v_3 := v.Args[3]
 10666  	v_2 := v.Args[2]
 10667  	v_1 := v.Args[1]
 10668  	v_0 := v.Args[0]
 10669  	// match: (MOVBstoreidx ptr (MOVDconst [c]) val mem)
 10670  	// cond: is32Bit(c)
 10671  	// result: (MOVBstore [int32(c)] ptr val mem)
 10672  	for {
 10673  		ptr := v_0
 10674  		if v_1.Op != OpARM64MOVDconst {
 10675  			break
 10676  		}
 10677  		c := auxIntToInt64(v_1.AuxInt)
 10678  		val := v_2
 10679  		mem := v_3
 10680  		if !(is32Bit(c)) {
 10681  			break
 10682  		}
 10683  		v.reset(OpARM64MOVBstore)
 10684  		v.AuxInt = int32ToAuxInt(int32(c))
 10685  		v.AddArg3(ptr, val, mem)
 10686  		return true
 10687  	}
 10688  	// match: (MOVBstoreidx (MOVDconst [c]) idx val mem)
 10689  	// cond: is32Bit(c)
 10690  	// result: (MOVBstore [int32(c)] idx val mem)
 10691  	for {
 10692  		if v_0.Op != OpARM64MOVDconst {
 10693  			break
 10694  		}
 10695  		c := auxIntToInt64(v_0.AuxInt)
 10696  		idx := v_1
 10697  		val := v_2
 10698  		mem := v_3
 10699  		if !(is32Bit(c)) {
 10700  			break
 10701  		}
 10702  		v.reset(OpARM64MOVBstore)
 10703  		v.AuxInt = int32ToAuxInt(int32(c))
 10704  		v.AddArg3(idx, val, mem)
 10705  		return true
 10706  	}
 10707  	// match: (MOVBstoreidx ptr idx (MOVBreg x) mem)
 10708  	// result: (MOVBstoreidx ptr idx x mem)
 10709  	for {
 10710  		ptr := v_0
 10711  		idx := v_1
 10712  		if v_2.Op != OpARM64MOVBreg {
 10713  			break
 10714  		}
 10715  		x := v_2.Args[0]
 10716  		mem := v_3
 10717  		v.reset(OpARM64MOVBstoreidx)
 10718  		v.AddArg4(ptr, idx, x, mem)
 10719  		return true
 10720  	}
 10721  	// match: (MOVBstoreidx ptr idx (MOVBUreg x) mem)
 10722  	// result: (MOVBstoreidx ptr idx x mem)
 10723  	for {
 10724  		ptr := v_0
 10725  		idx := v_1
 10726  		if v_2.Op != OpARM64MOVBUreg {
 10727  			break
 10728  		}
 10729  		x := v_2.Args[0]
 10730  		mem := v_3
 10731  		v.reset(OpARM64MOVBstoreidx)
 10732  		v.AddArg4(ptr, idx, x, mem)
 10733  		return true
 10734  	}
 10735  	// match: (MOVBstoreidx ptr idx (MOVHreg x) mem)
 10736  	// result: (MOVBstoreidx ptr idx x mem)
 10737  	for {
 10738  		ptr := v_0
 10739  		idx := v_1
 10740  		if v_2.Op != OpARM64MOVHreg {
 10741  			break
 10742  		}
 10743  		x := v_2.Args[0]
 10744  		mem := v_3
 10745  		v.reset(OpARM64MOVBstoreidx)
 10746  		v.AddArg4(ptr, idx, x, mem)
 10747  		return true
 10748  	}
 10749  	// match: (MOVBstoreidx ptr idx (MOVHUreg x) mem)
 10750  	// result: (MOVBstoreidx ptr idx x mem)
 10751  	for {
 10752  		ptr := v_0
 10753  		idx := v_1
 10754  		if v_2.Op != OpARM64MOVHUreg {
 10755  			break
 10756  		}
 10757  		x := v_2.Args[0]
 10758  		mem := v_3
 10759  		v.reset(OpARM64MOVBstoreidx)
 10760  		v.AddArg4(ptr, idx, x, mem)
 10761  		return true
 10762  	}
 10763  	// match: (MOVBstoreidx ptr idx (MOVWreg x) mem)
 10764  	// result: (MOVBstoreidx ptr idx x mem)
 10765  	for {
 10766  		ptr := v_0
 10767  		idx := v_1
 10768  		if v_2.Op != OpARM64MOVWreg {
 10769  			break
 10770  		}
 10771  		x := v_2.Args[0]
 10772  		mem := v_3
 10773  		v.reset(OpARM64MOVBstoreidx)
 10774  		v.AddArg4(ptr, idx, x, mem)
 10775  		return true
 10776  	}
 10777  	// match: (MOVBstoreidx ptr idx (MOVWUreg x) mem)
 10778  	// result: (MOVBstoreidx ptr idx x mem)
 10779  	for {
 10780  		ptr := v_0
 10781  		idx := v_1
 10782  		if v_2.Op != OpARM64MOVWUreg {
 10783  			break
 10784  		}
 10785  		x := v_2.Args[0]
 10786  		mem := v_3
 10787  		v.reset(OpARM64MOVBstoreidx)
 10788  		v.AddArg4(ptr, idx, x, mem)
 10789  		return true
 10790  	}
 10791  	return false
 10792  }
 10793  func rewriteValueARM64_OpARM64MOVDload(v *Value) bool {
 10794  	v_1 := v.Args[1]
 10795  	v_0 := v.Args[0]
 10796  	b := v.Block
 10797  	config := b.Func.Config
 10798  	// match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _))
 10799  	// result: (FMOVDfpgp val)
 10800  	for {
 10801  		off := auxIntToInt32(v.AuxInt)
 10802  		sym := auxToSym(v.Aux)
 10803  		ptr := v_0
 10804  		if v_1.Op != OpARM64FMOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 10805  			break
 10806  		}
 10807  		val := v_1.Args[1]
 10808  		if ptr != v_1.Args[0] {
 10809  			break
 10810  		}
 10811  		v.reset(OpARM64FMOVDfpgp)
 10812  		v.AddArg(val)
 10813  		return true
 10814  	}
 10815  	// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
 10816  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10817  	// result: (MOVDload [off1+int32(off2)] {sym} ptr mem)
 10818  	for {
 10819  		off1 := auxIntToInt32(v.AuxInt)
 10820  		sym := auxToSym(v.Aux)
 10821  		if v_0.Op != OpARM64ADDconst {
 10822  			break
 10823  		}
 10824  		off2 := auxIntToInt64(v_0.AuxInt)
 10825  		ptr := v_0.Args[0]
 10826  		mem := v_1
 10827  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10828  			break
 10829  		}
 10830  		v.reset(OpARM64MOVDload)
 10831  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10832  		v.Aux = symToAux(sym)
 10833  		v.AddArg2(ptr, mem)
 10834  		return true
 10835  	}
 10836  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10837  	// cond: off == 0 && sym == nil
 10838  	// result: (MOVDloadidx ptr idx mem)
 10839  	for {
 10840  		off := auxIntToInt32(v.AuxInt)
 10841  		sym := auxToSym(v.Aux)
 10842  		if v_0.Op != OpARM64ADD {
 10843  			break
 10844  		}
 10845  		idx := v_0.Args[1]
 10846  		ptr := v_0.Args[0]
 10847  		mem := v_1
 10848  		if !(off == 0 && sym == nil) {
 10849  			break
 10850  		}
 10851  		v.reset(OpARM64MOVDloadidx)
 10852  		v.AddArg3(ptr, idx, mem)
 10853  		return true
 10854  	}
 10855  	// match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
 10856  	// cond: off == 0 && sym == nil
 10857  	// result: (MOVDloadidx8 ptr idx mem)
 10858  	for {
 10859  		off := auxIntToInt32(v.AuxInt)
 10860  		sym := auxToSym(v.Aux)
 10861  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
 10862  			break
 10863  		}
 10864  		idx := v_0.Args[1]
 10865  		ptr := v_0.Args[0]
 10866  		mem := v_1
 10867  		if !(off == 0 && sym == nil) {
 10868  			break
 10869  		}
 10870  		v.reset(OpARM64MOVDloadidx8)
 10871  		v.AddArg3(ptr, idx, mem)
 10872  		return true
 10873  	}
 10874  	// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10875  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10876  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10877  	for {
 10878  		off1 := auxIntToInt32(v.AuxInt)
 10879  		sym1 := auxToSym(v.Aux)
 10880  		if v_0.Op != OpARM64MOVDaddr {
 10881  			break
 10882  		}
 10883  		off2 := auxIntToInt32(v_0.AuxInt)
 10884  		sym2 := auxToSym(v_0.Aux)
 10885  		ptr := v_0.Args[0]
 10886  		mem := v_1
 10887  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10888  			break
 10889  		}
 10890  		v.reset(OpARM64MOVDload)
 10891  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10892  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10893  		v.AddArg2(ptr, mem)
 10894  		return true
 10895  	}
 10896  	// match: (MOVDload [off] {sym} (SB) _)
 10897  	// cond: symIsRO(sym)
 10898  	// result: (MOVDconst [int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 10899  	for {
 10900  		off := auxIntToInt32(v.AuxInt)
 10901  		sym := auxToSym(v.Aux)
 10902  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10903  			break
 10904  		}
 10905  		v.reset(OpARM64MOVDconst)
 10906  		v.AuxInt = int64ToAuxInt(int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 10907  		return true
 10908  	}
 10909  	return false
 10910  }
 10911  func rewriteValueARM64_OpARM64MOVDloadidx(v *Value) bool {
 10912  	v_2 := v.Args[2]
 10913  	v_1 := v.Args[1]
 10914  	v_0 := v.Args[0]
 10915  	// match: (MOVDloadidx ptr (MOVDconst [c]) mem)
 10916  	// cond: is32Bit(c)
 10917  	// result: (MOVDload [int32(c)] ptr mem)
 10918  	for {
 10919  		ptr := v_0
 10920  		if v_1.Op != OpARM64MOVDconst {
 10921  			break
 10922  		}
 10923  		c := auxIntToInt64(v_1.AuxInt)
 10924  		mem := v_2
 10925  		if !(is32Bit(c)) {
 10926  			break
 10927  		}
 10928  		v.reset(OpARM64MOVDload)
 10929  		v.AuxInt = int32ToAuxInt(int32(c))
 10930  		v.AddArg2(ptr, mem)
 10931  		return true
 10932  	}
 10933  	// match: (MOVDloadidx (MOVDconst [c]) ptr mem)
 10934  	// cond: is32Bit(c)
 10935  	// result: (MOVDload [int32(c)] ptr mem)
 10936  	for {
 10937  		if v_0.Op != OpARM64MOVDconst {
 10938  			break
 10939  		}
 10940  		c := auxIntToInt64(v_0.AuxInt)
 10941  		ptr := v_1
 10942  		mem := v_2
 10943  		if !(is32Bit(c)) {
 10944  			break
 10945  		}
 10946  		v.reset(OpARM64MOVDload)
 10947  		v.AuxInt = int32ToAuxInt(int32(c))
 10948  		v.AddArg2(ptr, mem)
 10949  		return true
 10950  	}
 10951  	// match: (MOVDloadidx ptr (SLLconst [3] idx) mem)
 10952  	// result: (MOVDloadidx8 ptr idx mem)
 10953  	for {
 10954  		ptr := v_0
 10955  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
 10956  			break
 10957  		}
 10958  		idx := v_1.Args[0]
 10959  		mem := v_2
 10960  		v.reset(OpARM64MOVDloadidx8)
 10961  		v.AddArg3(ptr, idx, mem)
 10962  		return true
 10963  	}
 10964  	// match: (MOVDloadidx (SLLconst [3] idx) ptr mem)
 10965  	// result: (MOVDloadidx8 ptr idx mem)
 10966  	for {
 10967  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
 10968  			break
 10969  		}
 10970  		idx := v_0.Args[0]
 10971  		ptr := v_1
 10972  		mem := v_2
 10973  		v.reset(OpARM64MOVDloadidx8)
 10974  		v.AddArg3(ptr, idx, mem)
 10975  		return true
 10976  	}
 10977  	return false
 10978  }
 10979  func rewriteValueARM64_OpARM64MOVDloadidx8(v *Value) bool {
 10980  	v_2 := v.Args[2]
 10981  	v_1 := v.Args[1]
 10982  	v_0 := v.Args[0]
 10983  	// match: (MOVDloadidx8 ptr (MOVDconst [c]) mem)
 10984  	// cond: is32Bit(c<<3)
 10985  	// result: (MOVDload [int32(c)<<3] ptr mem)
 10986  	for {
 10987  		ptr := v_0
 10988  		if v_1.Op != OpARM64MOVDconst {
 10989  			break
 10990  		}
 10991  		c := auxIntToInt64(v_1.AuxInt)
 10992  		mem := v_2
 10993  		if !(is32Bit(c << 3)) {
 10994  			break
 10995  		}
 10996  		v.reset(OpARM64MOVDload)
 10997  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
 10998  		v.AddArg2(ptr, mem)
 10999  		return true
 11000  	}
 11001  	return false
 11002  }
 11003  func rewriteValueARM64_OpARM64MOVDnop(v *Value) bool {
 11004  	v_0 := v.Args[0]
 11005  	// match: (MOVDnop (MOVDconst [c]))
 11006  	// result: (MOVDconst [c])
 11007  	for {
 11008  		if v_0.Op != OpARM64MOVDconst {
 11009  			break
 11010  		}
 11011  		c := auxIntToInt64(v_0.AuxInt)
 11012  		v.reset(OpARM64MOVDconst)
 11013  		v.AuxInt = int64ToAuxInt(c)
 11014  		return true
 11015  	}
 11016  	return false
 11017  }
 11018  func rewriteValueARM64_OpARM64MOVDreg(v *Value) bool {
 11019  	v_0 := v.Args[0]
 11020  	// match: (MOVDreg x)
 11021  	// cond: x.Uses == 1
 11022  	// result: (MOVDnop x)
 11023  	for {
 11024  		x := v_0
 11025  		if !(x.Uses == 1) {
 11026  			break
 11027  		}
 11028  		v.reset(OpARM64MOVDnop)
 11029  		v.AddArg(x)
 11030  		return true
 11031  	}
 11032  	// match: (MOVDreg (MOVDconst [c]))
 11033  	// result: (MOVDconst [c])
 11034  	for {
 11035  		if v_0.Op != OpARM64MOVDconst {
 11036  			break
 11037  		}
 11038  		c := auxIntToInt64(v_0.AuxInt)
 11039  		v.reset(OpARM64MOVDconst)
 11040  		v.AuxInt = int64ToAuxInt(c)
 11041  		return true
 11042  	}
 11043  	return false
 11044  }
 11045  func rewriteValueARM64_OpARM64MOVDstore(v *Value) bool {
 11046  	v_2 := v.Args[2]
 11047  	v_1 := v.Args[1]
 11048  	v_0 := v.Args[0]
 11049  	b := v.Block
 11050  	config := b.Func.Config
 11051  	// match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem)
 11052  	// result: (FMOVDstore [off] {sym} ptr val mem)
 11053  	for {
 11054  		off := auxIntToInt32(v.AuxInt)
 11055  		sym := auxToSym(v.Aux)
 11056  		ptr := v_0
 11057  		if v_1.Op != OpARM64FMOVDfpgp {
 11058  			break
 11059  		}
 11060  		val := v_1.Args[0]
 11061  		mem := v_2
 11062  		v.reset(OpARM64FMOVDstore)
 11063  		v.AuxInt = int32ToAuxInt(off)
 11064  		v.Aux = symToAux(sym)
 11065  		v.AddArg3(ptr, val, mem)
 11066  		return true
 11067  	}
 11068  	// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 11069  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11070  	// result: (MOVDstore [off1+int32(off2)] {sym} ptr val mem)
 11071  	for {
 11072  		off1 := auxIntToInt32(v.AuxInt)
 11073  		sym := auxToSym(v.Aux)
 11074  		if v_0.Op != OpARM64ADDconst {
 11075  			break
 11076  		}
 11077  		off2 := auxIntToInt64(v_0.AuxInt)
 11078  		ptr := v_0.Args[0]
 11079  		val := v_1
 11080  		mem := v_2
 11081  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11082  			break
 11083  		}
 11084  		v.reset(OpARM64MOVDstore)
 11085  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11086  		v.Aux = symToAux(sym)
 11087  		v.AddArg3(ptr, val, mem)
 11088  		return true
 11089  	}
 11090  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 11091  	// cond: off == 0 && sym == nil
 11092  	// result: (MOVDstoreidx ptr idx val mem)
 11093  	for {
 11094  		off := auxIntToInt32(v.AuxInt)
 11095  		sym := auxToSym(v.Aux)
 11096  		if v_0.Op != OpARM64ADD {
 11097  			break
 11098  		}
 11099  		idx := v_0.Args[1]
 11100  		ptr := v_0.Args[0]
 11101  		val := v_1
 11102  		mem := v_2
 11103  		if !(off == 0 && sym == nil) {
 11104  			break
 11105  		}
 11106  		v.reset(OpARM64MOVDstoreidx)
 11107  		v.AddArg4(ptr, idx, val, mem)
 11108  		return true
 11109  	}
 11110  	// match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
 11111  	// cond: off == 0 && sym == nil
 11112  	// result: (MOVDstoreidx8 ptr idx val mem)
 11113  	for {
 11114  		off := auxIntToInt32(v.AuxInt)
 11115  		sym := auxToSym(v.Aux)
 11116  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
 11117  			break
 11118  		}
 11119  		idx := v_0.Args[1]
 11120  		ptr := v_0.Args[0]
 11121  		val := v_1
 11122  		mem := v_2
 11123  		if !(off == 0 && sym == nil) {
 11124  			break
 11125  		}
 11126  		v.reset(OpARM64MOVDstoreidx8)
 11127  		v.AddArg4(ptr, idx, val, mem)
 11128  		return true
 11129  	}
 11130  	// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 11131  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11132  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 11133  	for {
 11134  		off1 := auxIntToInt32(v.AuxInt)
 11135  		sym1 := auxToSym(v.Aux)
 11136  		if v_0.Op != OpARM64MOVDaddr {
 11137  			break
 11138  		}
 11139  		off2 := auxIntToInt32(v_0.AuxInt)
 11140  		sym2 := auxToSym(v_0.Aux)
 11141  		ptr := v_0.Args[0]
 11142  		val := v_1
 11143  		mem := v_2
 11144  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11145  			break
 11146  		}
 11147  		v.reset(OpARM64MOVDstore)
 11148  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11149  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11150  		v.AddArg3(ptr, val, mem)
 11151  		return true
 11152  	}
 11153  	return false
 11154  }
 11155  func rewriteValueARM64_OpARM64MOVDstoreidx(v *Value) bool {
 11156  	v_3 := v.Args[3]
 11157  	v_2 := v.Args[2]
 11158  	v_1 := v.Args[1]
 11159  	v_0 := v.Args[0]
 11160  	// match: (MOVDstoreidx ptr (MOVDconst [c]) val mem)
 11161  	// cond: is32Bit(c)
 11162  	// result: (MOVDstore [int32(c)] ptr val mem)
 11163  	for {
 11164  		ptr := v_0
 11165  		if v_1.Op != OpARM64MOVDconst {
 11166  			break
 11167  		}
 11168  		c := auxIntToInt64(v_1.AuxInt)
 11169  		val := v_2
 11170  		mem := v_3
 11171  		if !(is32Bit(c)) {
 11172  			break
 11173  		}
 11174  		v.reset(OpARM64MOVDstore)
 11175  		v.AuxInt = int32ToAuxInt(int32(c))
 11176  		v.AddArg3(ptr, val, mem)
 11177  		return true
 11178  	}
 11179  	// match: (MOVDstoreidx (MOVDconst [c]) idx val mem)
 11180  	// cond: is32Bit(c)
 11181  	// result: (MOVDstore [int32(c)] idx val mem)
 11182  	for {
 11183  		if v_0.Op != OpARM64MOVDconst {
 11184  			break
 11185  		}
 11186  		c := auxIntToInt64(v_0.AuxInt)
 11187  		idx := v_1
 11188  		val := v_2
 11189  		mem := v_3
 11190  		if !(is32Bit(c)) {
 11191  			break
 11192  		}
 11193  		v.reset(OpARM64MOVDstore)
 11194  		v.AuxInt = int32ToAuxInt(int32(c))
 11195  		v.AddArg3(idx, val, mem)
 11196  		return true
 11197  	}
 11198  	// match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem)
 11199  	// result: (MOVDstoreidx8 ptr idx val mem)
 11200  	for {
 11201  		ptr := v_0
 11202  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
 11203  			break
 11204  		}
 11205  		idx := v_1.Args[0]
 11206  		val := v_2
 11207  		mem := v_3
 11208  		v.reset(OpARM64MOVDstoreidx8)
 11209  		v.AddArg4(ptr, idx, val, mem)
 11210  		return true
 11211  	}
 11212  	// match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem)
 11213  	// result: (MOVDstoreidx8 ptr idx val mem)
 11214  	for {
 11215  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
 11216  			break
 11217  		}
 11218  		idx := v_0.Args[0]
 11219  		ptr := v_1
 11220  		val := v_2
 11221  		mem := v_3
 11222  		v.reset(OpARM64MOVDstoreidx8)
 11223  		v.AddArg4(ptr, idx, val, mem)
 11224  		return true
 11225  	}
 11226  	return false
 11227  }
 11228  func rewriteValueARM64_OpARM64MOVDstoreidx8(v *Value) bool {
 11229  	v_3 := v.Args[3]
 11230  	v_2 := v.Args[2]
 11231  	v_1 := v.Args[1]
 11232  	v_0 := v.Args[0]
 11233  	// match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem)
 11234  	// cond: is32Bit(c<<3)
 11235  	// result: (MOVDstore [int32(c)<<3] ptr val mem)
 11236  	for {
 11237  		ptr := v_0
 11238  		if v_1.Op != OpARM64MOVDconst {
 11239  			break
 11240  		}
 11241  		c := auxIntToInt64(v_1.AuxInt)
 11242  		val := v_2
 11243  		mem := v_3
 11244  		if !(is32Bit(c << 3)) {
 11245  			break
 11246  		}
 11247  		v.reset(OpARM64MOVDstore)
 11248  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
 11249  		v.AddArg3(ptr, val, mem)
 11250  		return true
 11251  	}
 11252  	return false
 11253  }
 11254  func rewriteValueARM64_OpARM64MOVHUload(v *Value) bool {
 11255  	v_1 := v.Args[1]
 11256  	v_0 := v.Args[0]
 11257  	b := v.Block
 11258  	config := b.Func.Config
 11259  	// match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
 11260  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11261  	// result: (MOVHUload [off1+int32(off2)] {sym} ptr mem)
 11262  	for {
 11263  		off1 := auxIntToInt32(v.AuxInt)
 11264  		sym := auxToSym(v.Aux)
 11265  		if v_0.Op != OpARM64ADDconst {
 11266  			break
 11267  		}
 11268  		off2 := auxIntToInt64(v_0.AuxInt)
 11269  		ptr := v_0.Args[0]
 11270  		mem := v_1
 11271  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11272  			break
 11273  		}
 11274  		v.reset(OpARM64MOVHUload)
 11275  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11276  		v.Aux = symToAux(sym)
 11277  		v.AddArg2(ptr, mem)
 11278  		return true
 11279  	}
 11280  	// match: (MOVHUload [off] {sym} (ADD ptr idx) mem)
 11281  	// cond: off == 0 && sym == nil
 11282  	// result: (MOVHUloadidx ptr idx mem)
 11283  	for {
 11284  		off := auxIntToInt32(v.AuxInt)
 11285  		sym := auxToSym(v.Aux)
 11286  		if v_0.Op != OpARM64ADD {
 11287  			break
 11288  		}
 11289  		idx := v_0.Args[1]
 11290  		ptr := v_0.Args[0]
 11291  		mem := v_1
 11292  		if !(off == 0 && sym == nil) {
 11293  			break
 11294  		}
 11295  		v.reset(OpARM64MOVHUloadidx)
 11296  		v.AddArg3(ptr, idx, mem)
 11297  		return true
 11298  	}
 11299  	// match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11300  	// cond: off == 0 && sym == nil
 11301  	// result: (MOVHUloadidx2 ptr idx mem)
 11302  	for {
 11303  		off := auxIntToInt32(v.AuxInt)
 11304  		sym := auxToSym(v.Aux)
 11305  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11306  			break
 11307  		}
 11308  		idx := v_0.Args[1]
 11309  		ptr := v_0.Args[0]
 11310  		mem := v_1
 11311  		if !(off == 0 && sym == nil) {
 11312  			break
 11313  		}
 11314  		v.reset(OpARM64MOVHUloadidx2)
 11315  		v.AddArg3(ptr, idx, mem)
 11316  		return true
 11317  	}
 11318  	// match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11319  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11320  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11321  	for {
 11322  		off1 := auxIntToInt32(v.AuxInt)
 11323  		sym1 := auxToSym(v.Aux)
 11324  		if v_0.Op != OpARM64MOVDaddr {
 11325  			break
 11326  		}
 11327  		off2 := auxIntToInt32(v_0.AuxInt)
 11328  		sym2 := auxToSym(v_0.Aux)
 11329  		ptr := v_0.Args[0]
 11330  		mem := v_1
 11331  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11332  			break
 11333  		}
 11334  		v.reset(OpARM64MOVHUload)
 11335  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11336  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11337  		v.AddArg2(ptr, mem)
 11338  		return true
 11339  	}
 11340  	// match: (MOVHUload [off] {sym} (SB) _)
 11341  	// cond: symIsRO(sym)
 11342  	// result: (MOVDconst [int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 11343  	for {
 11344  		off := auxIntToInt32(v.AuxInt)
 11345  		sym := auxToSym(v.Aux)
 11346  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11347  			break
 11348  		}
 11349  		v.reset(OpARM64MOVDconst)
 11350  		v.AuxInt = int64ToAuxInt(int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 11351  		return true
 11352  	}
 11353  	return false
 11354  }
 11355  func rewriteValueARM64_OpARM64MOVHUloadidx(v *Value) bool {
 11356  	v_2 := v.Args[2]
 11357  	v_1 := v.Args[1]
 11358  	v_0 := v.Args[0]
 11359  	// match: (MOVHUloadidx ptr (MOVDconst [c]) mem)
 11360  	// cond: is32Bit(c)
 11361  	// result: (MOVHUload [int32(c)] ptr mem)
 11362  	for {
 11363  		ptr := v_0
 11364  		if v_1.Op != OpARM64MOVDconst {
 11365  			break
 11366  		}
 11367  		c := auxIntToInt64(v_1.AuxInt)
 11368  		mem := v_2
 11369  		if !(is32Bit(c)) {
 11370  			break
 11371  		}
 11372  		v.reset(OpARM64MOVHUload)
 11373  		v.AuxInt = int32ToAuxInt(int32(c))
 11374  		v.AddArg2(ptr, mem)
 11375  		return true
 11376  	}
 11377  	// match: (MOVHUloadidx (MOVDconst [c]) ptr mem)
 11378  	// cond: is32Bit(c)
 11379  	// result: (MOVHUload [int32(c)] ptr mem)
 11380  	for {
 11381  		if v_0.Op != OpARM64MOVDconst {
 11382  			break
 11383  		}
 11384  		c := auxIntToInt64(v_0.AuxInt)
 11385  		ptr := v_1
 11386  		mem := v_2
 11387  		if !(is32Bit(c)) {
 11388  			break
 11389  		}
 11390  		v.reset(OpARM64MOVHUload)
 11391  		v.AuxInt = int32ToAuxInt(int32(c))
 11392  		v.AddArg2(ptr, mem)
 11393  		return true
 11394  	}
 11395  	// match: (MOVHUloadidx ptr (SLLconst [1] idx) mem)
 11396  	// result: (MOVHUloadidx2 ptr idx mem)
 11397  	for {
 11398  		ptr := v_0
 11399  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11400  			break
 11401  		}
 11402  		idx := v_1.Args[0]
 11403  		mem := v_2
 11404  		v.reset(OpARM64MOVHUloadidx2)
 11405  		v.AddArg3(ptr, idx, mem)
 11406  		return true
 11407  	}
 11408  	// match: (MOVHUloadidx ptr (ADD idx idx) mem)
 11409  	// result: (MOVHUloadidx2 ptr idx mem)
 11410  	for {
 11411  		ptr := v_0
 11412  		if v_1.Op != OpARM64ADD {
 11413  			break
 11414  		}
 11415  		idx := v_1.Args[1]
 11416  		if idx != v_1.Args[0] {
 11417  			break
 11418  		}
 11419  		mem := v_2
 11420  		v.reset(OpARM64MOVHUloadidx2)
 11421  		v.AddArg3(ptr, idx, mem)
 11422  		return true
 11423  	}
 11424  	// match: (MOVHUloadidx (ADD idx idx) ptr mem)
 11425  	// result: (MOVHUloadidx2 ptr idx mem)
 11426  	for {
 11427  		if v_0.Op != OpARM64ADD {
 11428  			break
 11429  		}
 11430  		idx := v_0.Args[1]
 11431  		if idx != v_0.Args[0] {
 11432  			break
 11433  		}
 11434  		ptr := v_1
 11435  		mem := v_2
 11436  		v.reset(OpARM64MOVHUloadidx2)
 11437  		v.AddArg3(ptr, idx, mem)
 11438  		return true
 11439  	}
 11440  	return false
 11441  }
 11442  func rewriteValueARM64_OpARM64MOVHUloadidx2(v *Value) bool {
 11443  	v_2 := v.Args[2]
 11444  	v_1 := v.Args[1]
 11445  	v_0 := v.Args[0]
 11446  	// match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem)
 11447  	// cond: is32Bit(c<<1)
 11448  	// result: (MOVHUload [int32(c)<<1] ptr mem)
 11449  	for {
 11450  		ptr := v_0
 11451  		if v_1.Op != OpARM64MOVDconst {
 11452  			break
 11453  		}
 11454  		c := auxIntToInt64(v_1.AuxInt)
 11455  		mem := v_2
 11456  		if !(is32Bit(c << 1)) {
 11457  			break
 11458  		}
 11459  		v.reset(OpARM64MOVHUload)
 11460  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 11461  		v.AddArg2(ptr, mem)
 11462  		return true
 11463  	}
 11464  	return false
 11465  }
 11466  func rewriteValueARM64_OpARM64MOVHUreg(v *Value) bool {
 11467  	v_0 := v.Args[0]
 11468  	// match: (MOVHUreg (ANDconst [c] x))
 11469  	// result: (ANDconst [c&(1<<16-1)] x)
 11470  	for {
 11471  		if v_0.Op != OpARM64ANDconst {
 11472  			break
 11473  		}
 11474  		c := auxIntToInt64(v_0.AuxInt)
 11475  		x := v_0.Args[0]
 11476  		v.reset(OpARM64ANDconst)
 11477  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
 11478  		v.AddArg(x)
 11479  		return true
 11480  	}
 11481  	// match: (MOVHUreg (MOVDconst [c]))
 11482  	// result: (MOVDconst [int64(uint16(c))])
 11483  	for {
 11484  		if v_0.Op != OpARM64MOVDconst {
 11485  			break
 11486  		}
 11487  		c := auxIntToInt64(v_0.AuxInt)
 11488  		v.reset(OpARM64MOVDconst)
 11489  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
 11490  		return true
 11491  	}
 11492  	// match: (MOVHUreg x)
 11493  	// cond: v.Type.Size() <= 2
 11494  	// result: x
 11495  	for {
 11496  		x := v_0
 11497  		if !(v.Type.Size() <= 2) {
 11498  			break
 11499  		}
 11500  		v.copyOf(x)
 11501  		return true
 11502  	}
 11503  	// match: (MOVHUreg (SLLconst [lc] x))
 11504  	// cond: lc >= 16
 11505  	// result: (MOVDconst [0])
 11506  	for {
 11507  		if v_0.Op != OpARM64SLLconst {
 11508  			break
 11509  		}
 11510  		lc := auxIntToInt64(v_0.AuxInt)
 11511  		if !(lc >= 16) {
 11512  			break
 11513  		}
 11514  		v.reset(OpARM64MOVDconst)
 11515  		v.AuxInt = int64ToAuxInt(0)
 11516  		return true
 11517  	}
 11518  	// match: (MOVHUreg (SLLconst [lc] x))
 11519  	// cond: lc < 16
 11520  	// result: (UBFIZ [armBFAuxInt(lc, 16-lc)] x)
 11521  	for {
 11522  		if v_0.Op != OpARM64SLLconst {
 11523  			break
 11524  		}
 11525  		lc := auxIntToInt64(v_0.AuxInt)
 11526  		x := v_0.Args[0]
 11527  		if !(lc < 16) {
 11528  			break
 11529  		}
 11530  		v.reset(OpARM64UBFIZ)
 11531  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 11532  		v.AddArg(x)
 11533  		return true
 11534  	}
 11535  	// match: (MOVHUreg (SRLconst [rc] x))
 11536  	// cond: rc < 16
 11537  	// result: (UBFX [armBFAuxInt(rc, 16)] x)
 11538  	for {
 11539  		if v_0.Op != OpARM64SRLconst {
 11540  			break
 11541  		}
 11542  		rc := auxIntToInt64(v_0.AuxInt)
 11543  		x := v_0.Args[0]
 11544  		if !(rc < 16) {
 11545  			break
 11546  		}
 11547  		v.reset(OpARM64UBFX)
 11548  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16))
 11549  		v.AddArg(x)
 11550  		return true
 11551  	}
 11552  	// match: (MOVHUreg (UBFX [bfc] x))
 11553  	// cond: bfc.width() <= 16
 11554  	// result: (UBFX [bfc] x)
 11555  	for {
 11556  		if v_0.Op != OpARM64UBFX {
 11557  			break
 11558  		}
 11559  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11560  		x := v_0.Args[0]
 11561  		if !(bfc.width() <= 16) {
 11562  			break
 11563  		}
 11564  		v.reset(OpARM64UBFX)
 11565  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11566  		v.AddArg(x)
 11567  		return true
 11568  	}
 11569  	return false
 11570  }
 11571  func rewriteValueARM64_OpARM64MOVHload(v *Value) bool {
 11572  	v_1 := v.Args[1]
 11573  	v_0 := v.Args[0]
 11574  	b := v.Block
 11575  	config := b.Func.Config
 11576  	// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
 11577  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11578  	// result: (MOVHload [off1+int32(off2)] {sym} ptr mem)
 11579  	for {
 11580  		off1 := auxIntToInt32(v.AuxInt)
 11581  		sym := auxToSym(v.Aux)
 11582  		if v_0.Op != OpARM64ADDconst {
 11583  			break
 11584  		}
 11585  		off2 := auxIntToInt64(v_0.AuxInt)
 11586  		ptr := v_0.Args[0]
 11587  		mem := v_1
 11588  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11589  			break
 11590  		}
 11591  		v.reset(OpARM64MOVHload)
 11592  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11593  		v.Aux = symToAux(sym)
 11594  		v.AddArg2(ptr, mem)
 11595  		return true
 11596  	}
 11597  	// match: (MOVHload [off] {sym} (ADD ptr idx) mem)
 11598  	// cond: off == 0 && sym == nil
 11599  	// result: (MOVHloadidx ptr idx mem)
 11600  	for {
 11601  		off := auxIntToInt32(v.AuxInt)
 11602  		sym := auxToSym(v.Aux)
 11603  		if v_0.Op != OpARM64ADD {
 11604  			break
 11605  		}
 11606  		idx := v_0.Args[1]
 11607  		ptr := v_0.Args[0]
 11608  		mem := v_1
 11609  		if !(off == 0 && sym == nil) {
 11610  			break
 11611  		}
 11612  		v.reset(OpARM64MOVHloadidx)
 11613  		v.AddArg3(ptr, idx, mem)
 11614  		return true
 11615  	}
 11616  	// match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11617  	// cond: off == 0 && sym == nil
 11618  	// result: (MOVHloadidx2 ptr idx mem)
 11619  	for {
 11620  		off := auxIntToInt32(v.AuxInt)
 11621  		sym := auxToSym(v.Aux)
 11622  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11623  			break
 11624  		}
 11625  		idx := v_0.Args[1]
 11626  		ptr := v_0.Args[0]
 11627  		mem := v_1
 11628  		if !(off == 0 && sym == nil) {
 11629  			break
 11630  		}
 11631  		v.reset(OpARM64MOVHloadidx2)
 11632  		v.AddArg3(ptr, idx, mem)
 11633  		return true
 11634  	}
 11635  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11636  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11637  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11638  	for {
 11639  		off1 := auxIntToInt32(v.AuxInt)
 11640  		sym1 := auxToSym(v.Aux)
 11641  		if v_0.Op != OpARM64MOVDaddr {
 11642  			break
 11643  		}
 11644  		off2 := auxIntToInt32(v_0.AuxInt)
 11645  		sym2 := auxToSym(v_0.Aux)
 11646  		ptr := v_0.Args[0]
 11647  		mem := v_1
 11648  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11649  			break
 11650  		}
 11651  		v.reset(OpARM64MOVHload)
 11652  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11653  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11654  		v.AddArg2(ptr, mem)
 11655  		return true
 11656  	}
 11657  	// match: (MOVHload [off] {sym} (SB) _)
 11658  	// cond: symIsRO(sym)
 11659  	// result: (MOVDconst [int64(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))])
 11660  	for {
 11661  		off := auxIntToInt32(v.AuxInt)
 11662  		sym := auxToSym(v.Aux)
 11663  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11664  			break
 11665  		}
 11666  		v.reset(OpARM64MOVDconst)
 11667  		v.AuxInt = int64ToAuxInt(int64(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))))
 11668  		return true
 11669  	}
 11670  	return false
 11671  }
 11672  func rewriteValueARM64_OpARM64MOVHloadidx(v *Value) bool {
 11673  	v_2 := v.Args[2]
 11674  	v_1 := v.Args[1]
 11675  	v_0 := v.Args[0]
 11676  	// match: (MOVHloadidx ptr (MOVDconst [c]) mem)
 11677  	// cond: is32Bit(c)
 11678  	// result: (MOVHload [int32(c)] ptr mem)
 11679  	for {
 11680  		ptr := v_0
 11681  		if v_1.Op != OpARM64MOVDconst {
 11682  			break
 11683  		}
 11684  		c := auxIntToInt64(v_1.AuxInt)
 11685  		mem := v_2
 11686  		if !(is32Bit(c)) {
 11687  			break
 11688  		}
 11689  		v.reset(OpARM64MOVHload)
 11690  		v.AuxInt = int32ToAuxInt(int32(c))
 11691  		v.AddArg2(ptr, mem)
 11692  		return true
 11693  	}
 11694  	// match: (MOVHloadidx (MOVDconst [c]) ptr mem)
 11695  	// cond: is32Bit(c)
 11696  	// result: (MOVHload [int32(c)] ptr mem)
 11697  	for {
 11698  		if v_0.Op != OpARM64MOVDconst {
 11699  			break
 11700  		}
 11701  		c := auxIntToInt64(v_0.AuxInt)
 11702  		ptr := v_1
 11703  		mem := v_2
 11704  		if !(is32Bit(c)) {
 11705  			break
 11706  		}
 11707  		v.reset(OpARM64MOVHload)
 11708  		v.AuxInt = int32ToAuxInt(int32(c))
 11709  		v.AddArg2(ptr, mem)
 11710  		return true
 11711  	}
 11712  	// match: (MOVHloadidx ptr (SLLconst [1] idx) mem)
 11713  	// result: (MOVHloadidx2 ptr idx mem)
 11714  	for {
 11715  		ptr := v_0
 11716  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11717  			break
 11718  		}
 11719  		idx := v_1.Args[0]
 11720  		mem := v_2
 11721  		v.reset(OpARM64MOVHloadidx2)
 11722  		v.AddArg3(ptr, idx, mem)
 11723  		return true
 11724  	}
 11725  	// match: (MOVHloadidx ptr (ADD idx idx) mem)
 11726  	// result: (MOVHloadidx2 ptr idx mem)
 11727  	for {
 11728  		ptr := v_0
 11729  		if v_1.Op != OpARM64ADD {
 11730  			break
 11731  		}
 11732  		idx := v_1.Args[1]
 11733  		if idx != v_1.Args[0] {
 11734  			break
 11735  		}
 11736  		mem := v_2
 11737  		v.reset(OpARM64MOVHloadidx2)
 11738  		v.AddArg3(ptr, idx, mem)
 11739  		return true
 11740  	}
 11741  	// match: (MOVHloadidx (ADD idx idx) ptr mem)
 11742  	// result: (MOVHloadidx2 ptr idx mem)
 11743  	for {
 11744  		if v_0.Op != OpARM64ADD {
 11745  			break
 11746  		}
 11747  		idx := v_0.Args[1]
 11748  		if idx != v_0.Args[0] {
 11749  			break
 11750  		}
 11751  		ptr := v_1
 11752  		mem := v_2
 11753  		v.reset(OpARM64MOVHloadidx2)
 11754  		v.AddArg3(ptr, idx, mem)
 11755  		return true
 11756  	}
 11757  	return false
 11758  }
 11759  func rewriteValueARM64_OpARM64MOVHloadidx2(v *Value) bool {
 11760  	v_2 := v.Args[2]
 11761  	v_1 := v.Args[1]
 11762  	v_0 := v.Args[0]
 11763  	// match: (MOVHloadidx2 ptr (MOVDconst [c]) mem)
 11764  	// cond: is32Bit(c<<1)
 11765  	// result: (MOVHload [int32(c)<<1] ptr mem)
 11766  	for {
 11767  		ptr := v_0
 11768  		if v_1.Op != OpARM64MOVDconst {
 11769  			break
 11770  		}
 11771  		c := auxIntToInt64(v_1.AuxInt)
 11772  		mem := v_2
 11773  		if !(is32Bit(c << 1)) {
 11774  			break
 11775  		}
 11776  		v.reset(OpARM64MOVHload)
 11777  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 11778  		v.AddArg2(ptr, mem)
 11779  		return true
 11780  	}
 11781  	return false
 11782  }
 11783  func rewriteValueARM64_OpARM64MOVHreg(v *Value) bool {
 11784  	v_0 := v.Args[0]
 11785  	// match: (MOVHreg (MOVDconst [c]))
 11786  	// result: (MOVDconst [int64(int16(c))])
 11787  	for {
 11788  		if v_0.Op != OpARM64MOVDconst {
 11789  			break
 11790  		}
 11791  		c := auxIntToInt64(v_0.AuxInt)
 11792  		v.reset(OpARM64MOVDconst)
 11793  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
 11794  		return true
 11795  	}
 11796  	// match: (MOVHreg x)
 11797  	// cond: v.Type.Size() <= 2
 11798  	// result: x
 11799  	for {
 11800  		x := v_0
 11801  		if !(v.Type.Size() <= 2) {
 11802  			break
 11803  		}
 11804  		v.copyOf(x)
 11805  		return true
 11806  	}
 11807  	// match: (MOVHreg <t> (ANDconst x [c]))
 11808  	// cond: uint64(c) & uint64(0xffffffffffff8000) == 0
 11809  	// result: (ANDconst <t> x [c])
 11810  	for {
 11811  		t := v.Type
 11812  		if v_0.Op != OpARM64ANDconst {
 11813  			break
 11814  		}
 11815  		c := auxIntToInt64(v_0.AuxInt)
 11816  		x := v_0.Args[0]
 11817  		if !(uint64(c)&uint64(0xffffffffffff8000) == 0) {
 11818  			break
 11819  		}
 11820  		v.reset(OpARM64ANDconst)
 11821  		v.Type = t
 11822  		v.AuxInt = int64ToAuxInt(c)
 11823  		v.AddArg(x)
 11824  		return true
 11825  	}
 11826  	// match: (MOVHreg (SLLconst [lc] x))
 11827  	// cond: lc < 16
 11828  	// result: (SBFIZ [armBFAuxInt(lc, 16-lc)] x)
 11829  	for {
 11830  		if v_0.Op != OpARM64SLLconst {
 11831  			break
 11832  		}
 11833  		lc := auxIntToInt64(v_0.AuxInt)
 11834  		x := v_0.Args[0]
 11835  		if !(lc < 16) {
 11836  			break
 11837  		}
 11838  		v.reset(OpARM64SBFIZ)
 11839  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 11840  		v.AddArg(x)
 11841  		return true
 11842  	}
 11843  	// match: (MOVHreg (SBFX [bfc] x))
 11844  	// cond: bfc.width() <= 16
 11845  	// result: (SBFX [bfc] x)
 11846  	for {
 11847  		if v_0.Op != OpARM64SBFX {
 11848  			break
 11849  		}
 11850  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11851  		x := v_0.Args[0]
 11852  		if !(bfc.width() <= 16) {
 11853  			break
 11854  		}
 11855  		v.reset(OpARM64SBFX)
 11856  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11857  		v.AddArg(x)
 11858  		return true
 11859  	}
 11860  	return false
 11861  }
 11862  func rewriteValueARM64_OpARM64MOVHstore(v *Value) bool {
 11863  	v_2 := v.Args[2]
 11864  	v_1 := v.Args[1]
 11865  	v_0 := v.Args[0]
 11866  	b := v.Block
 11867  	config := b.Func.Config
 11868  	// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 11869  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11870  	// result: (MOVHstore [off1+int32(off2)] {sym} ptr val mem)
 11871  	for {
 11872  		off1 := auxIntToInt32(v.AuxInt)
 11873  		sym := auxToSym(v.Aux)
 11874  		if v_0.Op != OpARM64ADDconst {
 11875  			break
 11876  		}
 11877  		off2 := auxIntToInt64(v_0.AuxInt)
 11878  		ptr := v_0.Args[0]
 11879  		val := v_1
 11880  		mem := v_2
 11881  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11882  			break
 11883  		}
 11884  		v.reset(OpARM64MOVHstore)
 11885  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11886  		v.Aux = symToAux(sym)
 11887  		v.AddArg3(ptr, val, mem)
 11888  		return true
 11889  	}
 11890  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11891  	// cond: off == 0 && sym == nil
 11892  	// result: (MOVHstoreidx ptr idx val mem)
 11893  	for {
 11894  		off := auxIntToInt32(v.AuxInt)
 11895  		sym := auxToSym(v.Aux)
 11896  		if v_0.Op != OpARM64ADD {
 11897  			break
 11898  		}
 11899  		idx := v_0.Args[1]
 11900  		ptr := v_0.Args[0]
 11901  		val := v_1
 11902  		mem := v_2
 11903  		if !(off == 0 && sym == nil) {
 11904  			break
 11905  		}
 11906  		v.reset(OpARM64MOVHstoreidx)
 11907  		v.AddArg4(ptr, idx, val, mem)
 11908  		return true
 11909  	}
 11910  	// match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem)
 11911  	// cond: off == 0 && sym == nil
 11912  	// result: (MOVHstoreidx2 ptr idx val mem)
 11913  	for {
 11914  		off := auxIntToInt32(v.AuxInt)
 11915  		sym := auxToSym(v.Aux)
 11916  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11917  			break
 11918  		}
 11919  		idx := v_0.Args[1]
 11920  		ptr := v_0.Args[0]
 11921  		val := v_1
 11922  		mem := v_2
 11923  		if !(off == 0 && sym == nil) {
 11924  			break
 11925  		}
 11926  		v.reset(OpARM64MOVHstoreidx2)
 11927  		v.AddArg4(ptr, idx, val, mem)
 11928  		return true
 11929  	}
 11930  	// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 11931  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11932  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 11933  	for {
 11934  		off1 := auxIntToInt32(v.AuxInt)
 11935  		sym1 := auxToSym(v.Aux)
 11936  		if v_0.Op != OpARM64MOVDaddr {
 11937  			break
 11938  		}
 11939  		off2 := auxIntToInt32(v_0.AuxInt)
 11940  		sym2 := auxToSym(v_0.Aux)
 11941  		ptr := v_0.Args[0]
 11942  		val := v_1
 11943  		mem := v_2
 11944  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11945  			break
 11946  		}
 11947  		v.reset(OpARM64MOVHstore)
 11948  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11949  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11950  		v.AddArg3(ptr, val, mem)
 11951  		return true
 11952  	}
 11953  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11954  	// result: (MOVHstore [off] {sym} ptr x mem)
 11955  	for {
 11956  		off := auxIntToInt32(v.AuxInt)
 11957  		sym := auxToSym(v.Aux)
 11958  		ptr := v_0
 11959  		if v_1.Op != OpARM64MOVHreg {
 11960  			break
 11961  		}
 11962  		x := v_1.Args[0]
 11963  		mem := v_2
 11964  		v.reset(OpARM64MOVHstore)
 11965  		v.AuxInt = int32ToAuxInt(off)
 11966  		v.Aux = symToAux(sym)
 11967  		v.AddArg3(ptr, x, mem)
 11968  		return true
 11969  	}
 11970  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
 11971  	// result: (MOVHstore [off] {sym} ptr x mem)
 11972  	for {
 11973  		off := auxIntToInt32(v.AuxInt)
 11974  		sym := auxToSym(v.Aux)
 11975  		ptr := v_0
 11976  		if v_1.Op != OpARM64MOVHUreg {
 11977  			break
 11978  		}
 11979  		x := v_1.Args[0]
 11980  		mem := v_2
 11981  		v.reset(OpARM64MOVHstore)
 11982  		v.AuxInt = int32ToAuxInt(off)
 11983  		v.Aux = symToAux(sym)
 11984  		v.AddArg3(ptr, x, mem)
 11985  		return true
 11986  	}
 11987  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
 11988  	// result: (MOVHstore [off] {sym} ptr x mem)
 11989  	for {
 11990  		off := auxIntToInt32(v.AuxInt)
 11991  		sym := auxToSym(v.Aux)
 11992  		ptr := v_0
 11993  		if v_1.Op != OpARM64MOVWreg {
 11994  			break
 11995  		}
 11996  		x := v_1.Args[0]
 11997  		mem := v_2
 11998  		v.reset(OpARM64MOVHstore)
 11999  		v.AuxInt = int32ToAuxInt(off)
 12000  		v.Aux = symToAux(sym)
 12001  		v.AddArg3(ptr, x, mem)
 12002  		return true
 12003  	}
 12004  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
 12005  	// result: (MOVHstore [off] {sym} ptr x mem)
 12006  	for {
 12007  		off := auxIntToInt32(v.AuxInt)
 12008  		sym := auxToSym(v.Aux)
 12009  		ptr := v_0
 12010  		if v_1.Op != OpARM64MOVWUreg {
 12011  			break
 12012  		}
 12013  		x := v_1.Args[0]
 12014  		mem := v_2
 12015  		v.reset(OpARM64MOVHstore)
 12016  		v.AuxInt = int32ToAuxInt(off)
 12017  		v.Aux = symToAux(sym)
 12018  		v.AddArg3(ptr, x, mem)
 12019  		return true
 12020  	}
 12021  	return false
 12022  }
 12023  func rewriteValueARM64_OpARM64MOVHstoreidx(v *Value) bool {
 12024  	v_3 := v.Args[3]
 12025  	v_2 := v.Args[2]
 12026  	v_1 := v.Args[1]
 12027  	v_0 := v.Args[0]
 12028  	// match: (MOVHstoreidx ptr (MOVDconst [c]) val mem)
 12029  	// cond: is32Bit(c)
 12030  	// result: (MOVHstore [int32(c)] ptr val mem)
 12031  	for {
 12032  		ptr := v_0
 12033  		if v_1.Op != OpARM64MOVDconst {
 12034  			break
 12035  		}
 12036  		c := auxIntToInt64(v_1.AuxInt)
 12037  		val := v_2
 12038  		mem := v_3
 12039  		if !(is32Bit(c)) {
 12040  			break
 12041  		}
 12042  		v.reset(OpARM64MOVHstore)
 12043  		v.AuxInt = int32ToAuxInt(int32(c))
 12044  		v.AddArg3(ptr, val, mem)
 12045  		return true
 12046  	}
 12047  	// match: (MOVHstoreidx (MOVDconst [c]) idx val mem)
 12048  	// cond: is32Bit(c)
 12049  	// result: (MOVHstore [int32(c)] idx val mem)
 12050  	for {
 12051  		if v_0.Op != OpARM64MOVDconst {
 12052  			break
 12053  		}
 12054  		c := auxIntToInt64(v_0.AuxInt)
 12055  		idx := v_1
 12056  		val := v_2
 12057  		mem := v_3
 12058  		if !(is32Bit(c)) {
 12059  			break
 12060  		}
 12061  		v.reset(OpARM64MOVHstore)
 12062  		v.AuxInt = int32ToAuxInt(int32(c))
 12063  		v.AddArg3(idx, val, mem)
 12064  		return true
 12065  	}
 12066  	// match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem)
 12067  	// result: (MOVHstoreidx2 ptr idx val mem)
 12068  	for {
 12069  		ptr := v_0
 12070  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 12071  			break
 12072  		}
 12073  		idx := v_1.Args[0]
 12074  		val := v_2
 12075  		mem := v_3
 12076  		v.reset(OpARM64MOVHstoreidx2)
 12077  		v.AddArg4(ptr, idx, val, mem)
 12078  		return true
 12079  	}
 12080  	// match: (MOVHstoreidx ptr (ADD idx idx) val mem)
 12081  	// result: (MOVHstoreidx2 ptr idx val mem)
 12082  	for {
 12083  		ptr := v_0
 12084  		if v_1.Op != OpARM64ADD {
 12085  			break
 12086  		}
 12087  		idx := v_1.Args[1]
 12088  		if idx != v_1.Args[0] {
 12089  			break
 12090  		}
 12091  		val := v_2
 12092  		mem := v_3
 12093  		v.reset(OpARM64MOVHstoreidx2)
 12094  		v.AddArg4(ptr, idx, val, mem)
 12095  		return true
 12096  	}
 12097  	// match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem)
 12098  	// result: (MOVHstoreidx2 ptr idx val mem)
 12099  	for {
 12100  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 12101  			break
 12102  		}
 12103  		idx := v_0.Args[0]
 12104  		ptr := v_1
 12105  		val := v_2
 12106  		mem := v_3
 12107  		v.reset(OpARM64MOVHstoreidx2)
 12108  		v.AddArg4(ptr, idx, val, mem)
 12109  		return true
 12110  	}
 12111  	// match: (MOVHstoreidx (ADD idx idx) ptr val mem)
 12112  	// result: (MOVHstoreidx2 ptr idx val mem)
 12113  	for {
 12114  		if v_0.Op != OpARM64ADD {
 12115  			break
 12116  		}
 12117  		idx := v_0.Args[1]
 12118  		if idx != v_0.Args[0] {
 12119  			break
 12120  		}
 12121  		ptr := v_1
 12122  		val := v_2
 12123  		mem := v_3
 12124  		v.reset(OpARM64MOVHstoreidx2)
 12125  		v.AddArg4(ptr, idx, val, mem)
 12126  		return true
 12127  	}
 12128  	// match: (MOVHstoreidx ptr idx (MOVHreg x) mem)
 12129  	// result: (MOVHstoreidx ptr idx x mem)
 12130  	for {
 12131  		ptr := v_0
 12132  		idx := v_1
 12133  		if v_2.Op != OpARM64MOVHreg {
 12134  			break
 12135  		}
 12136  		x := v_2.Args[0]
 12137  		mem := v_3
 12138  		v.reset(OpARM64MOVHstoreidx)
 12139  		v.AddArg4(ptr, idx, x, mem)
 12140  		return true
 12141  	}
 12142  	// match: (MOVHstoreidx ptr idx (MOVHUreg x) mem)
 12143  	// result: (MOVHstoreidx ptr idx x mem)
 12144  	for {
 12145  		ptr := v_0
 12146  		idx := v_1
 12147  		if v_2.Op != OpARM64MOVHUreg {
 12148  			break
 12149  		}
 12150  		x := v_2.Args[0]
 12151  		mem := v_3
 12152  		v.reset(OpARM64MOVHstoreidx)
 12153  		v.AddArg4(ptr, idx, x, mem)
 12154  		return true
 12155  	}
 12156  	// match: (MOVHstoreidx ptr idx (MOVWreg x) mem)
 12157  	// result: (MOVHstoreidx ptr idx x mem)
 12158  	for {
 12159  		ptr := v_0
 12160  		idx := v_1
 12161  		if v_2.Op != OpARM64MOVWreg {
 12162  			break
 12163  		}
 12164  		x := v_2.Args[0]
 12165  		mem := v_3
 12166  		v.reset(OpARM64MOVHstoreidx)
 12167  		v.AddArg4(ptr, idx, x, mem)
 12168  		return true
 12169  	}
 12170  	// match: (MOVHstoreidx ptr idx (MOVWUreg x) mem)
 12171  	// result: (MOVHstoreidx ptr idx x mem)
 12172  	for {
 12173  		ptr := v_0
 12174  		idx := v_1
 12175  		if v_2.Op != OpARM64MOVWUreg {
 12176  			break
 12177  		}
 12178  		x := v_2.Args[0]
 12179  		mem := v_3
 12180  		v.reset(OpARM64MOVHstoreidx)
 12181  		v.AddArg4(ptr, idx, x, mem)
 12182  		return true
 12183  	}
 12184  	return false
 12185  }
 12186  func rewriteValueARM64_OpARM64MOVHstoreidx2(v *Value) bool {
 12187  	v_3 := v.Args[3]
 12188  	v_2 := v.Args[2]
 12189  	v_1 := v.Args[1]
 12190  	v_0 := v.Args[0]
 12191  	// match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem)
 12192  	// cond: is32Bit(c<<1)
 12193  	// result: (MOVHstore [int32(c)<<1] ptr val mem)
 12194  	for {
 12195  		ptr := v_0
 12196  		if v_1.Op != OpARM64MOVDconst {
 12197  			break
 12198  		}
 12199  		c := auxIntToInt64(v_1.AuxInt)
 12200  		val := v_2
 12201  		mem := v_3
 12202  		if !(is32Bit(c << 1)) {
 12203  			break
 12204  		}
 12205  		v.reset(OpARM64MOVHstore)
 12206  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 12207  		v.AddArg3(ptr, val, mem)
 12208  		return true
 12209  	}
 12210  	// match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem)
 12211  	// result: (MOVHstoreidx2 ptr idx x mem)
 12212  	for {
 12213  		ptr := v_0
 12214  		idx := v_1
 12215  		if v_2.Op != OpARM64MOVHreg {
 12216  			break
 12217  		}
 12218  		x := v_2.Args[0]
 12219  		mem := v_3
 12220  		v.reset(OpARM64MOVHstoreidx2)
 12221  		v.AddArg4(ptr, idx, x, mem)
 12222  		return true
 12223  	}
 12224  	// match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem)
 12225  	// result: (MOVHstoreidx2 ptr idx x mem)
 12226  	for {
 12227  		ptr := v_0
 12228  		idx := v_1
 12229  		if v_2.Op != OpARM64MOVHUreg {
 12230  			break
 12231  		}
 12232  		x := v_2.Args[0]
 12233  		mem := v_3
 12234  		v.reset(OpARM64MOVHstoreidx2)
 12235  		v.AddArg4(ptr, idx, x, mem)
 12236  		return true
 12237  	}
 12238  	// match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem)
 12239  	// result: (MOVHstoreidx2 ptr idx x mem)
 12240  	for {
 12241  		ptr := v_0
 12242  		idx := v_1
 12243  		if v_2.Op != OpARM64MOVWreg {
 12244  			break
 12245  		}
 12246  		x := v_2.Args[0]
 12247  		mem := v_3
 12248  		v.reset(OpARM64MOVHstoreidx2)
 12249  		v.AddArg4(ptr, idx, x, mem)
 12250  		return true
 12251  	}
 12252  	// match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem)
 12253  	// result: (MOVHstoreidx2 ptr idx x mem)
 12254  	for {
 12255  		ptr := v_0
 12256  		idx := v_1
 12257  		if v_2.Op != OpARM64MOVWUreg {
 12258  			break
 12259  		}
 12260  		x := v_2.Args[0]
 12261  		mem := v_3
 12262  		v.reset(OpARM64MOVHstoreidx2)
 12263  		v.AddArg4(ptr, idx, x, mem)
 12264  		return true
 12265  	}
 12266  	return false
 12267  }
 12268  func rewriteValueARM64_OpARM64MOVWUload(v *Value) bool {
 12269  	v_1 := v.Args[1]
 12270  	v_0 := v.Args[0]
 12271  	b := v.Block
 12272  	config := b.Func.Config
 12273  	// match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _))
 12274  	// result: (FMOVSfpgp val)
 12275  	for {
 12276  		off := auxIntToInt32(v.AuxInt)
 12277  		sym := auxToSym(v.Aux)
 12278  		ptr := v_0
 12279  		if v_1.Op != OpARM64FMOVSstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 12280  			break
 12281  		}
 12282  		val := v_1.Args[1]
 12283  		if ptr != v_1.Args[0] {
 12284  			break
 12285  		}
 12286  		v.reset(OpARM64FMOVSfpgp)
 12287  		v.AddArg(val)
 12288  		return true
 12289  	}
 12290  	// match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
 12291  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12292  	// result: (MOVWUload [off1+int32(off2)] {sym} ptr mem)
 12293  	for {
 12294  		off1 := auxIntToInt32(v.AuxInt)
 12295  		sym := auxToSym(v.Aux)
 12296  		if v_0.Op != OpARM64ADDconst {
 12297  			break
 12298  		}
 12299  		off2 := auxIntToInt64(v_0.AuxInt)
 12300  		ptr := v_0.Args[0]
 12301  		mem := v_1
 12302  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12303  			break
 12304  		}
 12305  		v.reset(OpARM64MOVWUload)
 12306  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12307  		v.Aux = symToAux(sym)
 12308  		v.AddArg2(ptr, mem)
 12309  		return true
 12310  	}
 12311  	// match: (MOVWUload [off] {sym} (ADD ptr idx) mem)
 12312  	// cond: off == 0 && sym == nil
 12313  	// result: (MOVWUloadidx ptr idx mem)
 12314  	for {
 12315  		off := auxIntToInt32(v.AuxInt)
 12316  		sym := auxToSym(v.Aux)
 12317  		if v_0.Op != OpARM64ADD {
 12318  			break
 12319  		}
 12320  		idx := v_0.Args[1]
 12321  		ptr := v_0.Args[0]
 12322  		mem := v_1
 12323  		if !(off == 0 && sym == nil) {
 12324  			break
 12325  		}
 12326  		v.reset(OpARM64MOVWUloadidx)
 12327  		v.AddArg3(ptr, idx, mem)
 12328  		return true
 12329  	}
 12330  	// match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12331  	// cond: off == 0 && sym == nil
 12332  	// result: (MOVWUloadidx4 ptr idx mem)
 12333  	for {
 12334  		off := auxIntToInt32(v.AuxInt)
 12335  		sym := auxToSym(v.Aux)
 12336  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12337  			break
 12338  		}
 12339  		idx := v_0.Args[1]
 12340  		ptr := v_0.Args[0]
 12341  		mem := v_1
 12342  		if !(off == 0 && sym == nil) {
 12343  			break
 12344  		}
 12345  		v.reset(OpARM64MOVWUloadidx4)
 12346  		v.AddArg3(ptr, idx, mem)
 12347  		return true
 12348  	}
 12349  	// match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12350  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12351  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12352  	for {
 12353  		off1 := auxIntToInt32(v.AuxInt)
 12354  		sym1 := auxToSym(v.Aux)
 12355  		if v_0.Op != OpARM64MOVDaddr {
 12356  			break
 12357  		}
 12358  		off2 := auxIntToInt32(v_0.AuxInt)
 12359  		sym2 := auxToSym(v_0.Aux)
 12360  		ptr := v_0.Args[0]
 12361  		mem := v_1
 12362  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12363  			break
 12364  		}
 12365  		v.reset(OpARM64MOVWUload)
 12366  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12367  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12368  		v.AddArg2(ptr, mem)
 12369  		return true
 12370  	}
 12371  	// match: (MOVWUload [off] {sym} (SB) _)
 12372  	// cond: symIsRO(sym)
 12373  	// result: (MOVDconst [int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 12374  	for {
 12375  		off := auxIntToInt32(v.AuxInt)
 12376  		sym := auxToSym(v.Aux)
 12377  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 12378  			break
 12379  		}
 12380  		v.reset(OpARM64MOVDconst)
 12381  		v.AuxInt = int64ToAuxInt(int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 12382  		return true
 12383  	}
 12384  	return false
 12385  }
 12386  func rewriteValueARM64_OpARM64MOVWUloadidx(v *Value) bool {
 12387  	v_2 := v.Args[2]
 12388  	v_1 := v.Args[1]
 12389  	v_0 := v.Args[0]
 12390  	// match: (MOVWUloadidx ptr (MOVDconst [c]) mem)
 12391  	// cond: is32Bit(c)
 12392  	// result: (MOVWUload [int32(c)] ptr mem)
 12393  	for {
 12394  		ptr := v_0
 12395  		if v_1.Op != OpARM64MOVDconst {
 12396  			break
 12397  		}
 12398  		c := auxIntToInt64(v_1.AuxInt)
 12399  		mem := v_2
 12400  		if !(is32Bit(c)) {
 12401  			break
 12402  		}
 12403  		v.reset(OpARM64MOVWUload)
 12404  		v.AuxInt = int32ToAuxInt(int32(c))
 12405  		v.AddArg2(ptr, mem)
 12406  		return true
 12407  	}
 12408  	// match: (MOVWUloadidx (MOVDconst [c]) ptr mem)
 12409  	// cond: is32Bit(c)
 12410  	// result: (MOVWUload [int32(c)] ptr mem)
 12411  	for {
 12412  		if v_0.Op != OpARM64MOVDconst {
 12413  			break
 12414  		}
 12415  		c := auxIntToInt64(v_0.AuxInt)
 12416  		ptr := v_1
 12417  		mem := v_2
 12418  		if !(is32Bit(c)) {
 12419  			break
 12420  		}
 12421  		v.reset(OpARM64MOVWUload)
 12422  		v.AuxInt = int32ToAuxInt(int32(c))
 12423  		v.AddArg2(ptr, mem)
 12424  		return true
 12425  	}
 12426  	// match: (MOVWUloadidx ptr (SLLconst [2] idx) mem)
 12427  	// result: (MOVWUloadidx4 ptr idx mem)
 12428  	for {
 12429  		ptr := v_0
 12430  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12431  			break
 12432  		}
 12433  		idx := v_1.Args[0]
 12434  		mem := v_2
 12435  		v.reset(OpARM64MOVWUloadidx4)
 12436  		v.AddArg3(ptr, idx, mem)
 12437  		return true
 12438  	}
 12439  	// match: (MOVWUloadidx (SLLconst [2] idx) ptr mem)
 12440  	// result: (MOVWUloadidx4 ptr idx mem)
 12441  	for {
 12442  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12443  			break
 12444  		}
 12445  		idx := v_0.Args[0]
 12446  		ptr := v_1
 12447  		mem := v_2
 12448  		v.reset(OpARM64MOVWUloadidx4)
 12449  		v.AddArg3(ptr, idx, mem)
 12450  		return true
 12451  	}
 12452  	return false
 12453  }
 12454  func rewriteValueARM64_OpARM64MOVWUloadidx4(v *Value) bool {
 12455  	v_2 := v.Args[2]
 12456  	v_1 := v.Args[1]
 12457  	v_0 := v.Args[0]
 12458  	// match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem)
 12459  	// cond: is32Bit(c<<2)
 12460  	// result: (MOVWUload [int32(c)<<2] ptr mem)
 12461  	for {
 12462  		ptr := v_0
 12463  		if v_1.Op != OpARM64MOVDconst {
 12464  			break
 12465  		}
 12466  		c := auxIntToInt64(v_1.AuxInt)
 12467  		mem := v_2
 12468  		if !(is32Bit(c << 2)) {
 12469  			break
 12470  		}
 12471  		v.reset(OpARM64MOVWUload)
 12472  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12473  		v.AddArg2(ptr, mem)
 12474  		return true
 12475  	}
 12476  	return false
 12477  }
 12478  func rewriteValueARM64_OpARM64MOVWUreg(v *Value) bool {
 12479  	v_0 := v.Args[0]
 12480  	// match: (MOVWUreg (ANDconst [c] x))
 12481  	// result: (ANDconst [c&(1<<32-1)] x)
 12482  	for {
 12483  		if v_0.Op != OpARM64ANDconst {
 12484  			break
 12485  		}
 12486  		c := auxIntToInt64(v_0.AuxInt)
 12487  		x := v_0.Args[0]
 12488  		v.reset(OpARM64ANDconst)
 12489  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
 12490  		v.AddArg(x)
 12491  		return true
 12492  	}
 12493  	// match: (MOVWUreg (MOVDconst [c]))
 12494  	// result: (MOVDconst [int64(uint32(c))])
 12495  	for {
 12496  		if v_0.Op != OpARM64MOVDconst {
 12497  			break
 12498  		}
 12499  		c := auxIntToInt64(v_0.AuxInt)
 12500  		v.reset(OpARM64MOVDconst)
 12501  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
 12502  		return true
 12503  	}
 12504  	// match: (MOVWUreg x)
 12505  	// cond: v.Type.Size() <= 4
 12506  	// result: x
 12507  	for {
 12508  		x := v_0
 12509  		if !(v.Type.Size() <= 4) {
 12510  			break
 12511  		}
 12512  		v.copyOf(x)
 12513  		return true
 12514  	}
 12515  	// match: (MOVWUreg (SLLconst [lc] x))
 12516  	// cond: lc >= 32
 12517  	// result: (MOVDconst [0])
 12518  	for {
 12519  		if v_0.Op != OpARM64SLLconst {
 12520  			break
 12521  		}
 12522  		lc := auxIntToInt64(v_0.AuxInt)
 12523  		if !(lc >= 32) {
 12524  			break
 12525  		}
 12526  		v.reset(OpARM64MOVDconst)
 12527  		v.AuxInt = int64ToAuxInt(0)
 12528  		return true
 12529  	}
 12530  	// match: (MOVWUreg (SLLconst [lc] x))
 12531  	// cond: lc < 32
 12532  	// result: (UBFIZ [armBFAuxInt(lc, 32-lc)] x)
 12533  	for {
 12534  		if v_0.Op != OpARM64SLLconst {
 12535  			break
 12536  		}
 12537  		lc := auxIntToInt64(v_0.AuxInt)
 12538  		x := v_0.Args[0]
 12539  		if !(lc < 32) {
 12540  			break
 12541  		}
 12542  		v.reset(OpARM64UBFIZ)
 12543  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 12544  		v.AddArg(x)
 12545  		return true
 12546  	}
 12547  	// match: (MOVWUreg (SRLconst [rc] x))
 12548  	// cond: rc < 32
 12549  	// result: (UBFX [armBFAuxInt(rc, 32)] x)
 12550  	for {
 12551  		if v_0.Op != OpARM64SRLconst {
 12552  			break
 12553  		}
 12554  		rc := auxIntToInt64(v_0.AuxInt)
 12555  		x := v_0.Args[0]
 12556  		if !(rc < 32) {
 12557  			break
 12558  		}
 12559  		v.reset(OpARM64UBFX)
 12560  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32))
 12561  		v.AddArg(x)
 12562  		return true
 12563  	}
 12564  	// match: (MOVWUreg (UBFX [bfc] x))
 12565  	// cond: bfc.width() <= 32
 12566  	// result: (UBFX [bfc] x)
 12567  	for {
 12568  		if v_0.Op != OpARM64UBFX {
 12569  			break
 12570  		}
 12571  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 12572  		x := v_0.Args[0]
 12573  		if !(bfc.width() <= 32) {
 12574  			break
 12575  		}
 12576  		v.reset(OpARM64UBFX)
 12577  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 12578  		v.AddArg(x)
 12579  		return true
 12580  	}
 12581  	return false
 12582  }
 12583  func rewriteValueARM64_OpARM64MOVWload(v *Value) bool {
 12584  	v_1 := v.Args[1]
 12585  	v_0 := v.Args[0]
 12586  	b := v.Block
 12587  	config := b.Func.Config
 12588  	// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
 12589  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12590  	// result: (MOVWload [off1+int32(off2)] {sym} ptr mem)
 12591  	for {
 12592  		off1 := auxIntToInt32(v.AuxInt)
 12593  		sym := auxToSym(v.Aux)
 12594  		if v_0.Op != OpARM64ADDconst {
 12595  			break
 12596  		}
 12597  		off2 := auxIntToInt64(v_0.AuxInt)
 12598  		ptr := v_0.Args[0]
 12599  		mem := v_1
 12600  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12601  			break
 12602  		}
 12603  		v.reset(OpARM64MOVWload)
 12604  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12605  		v.Aux = symToAux(sym)
 12606  		v.AddArg2(ptr, mem)
 12607  		return true
 12608  	}
 12609  	// match: (MOVWload [off] {sym} (ADD ptr idx) mem)
 12610  	// cond: off == 0 && sym == nil
 12611  	// result: (MOVWloadidx ptr idx mem)
 12612  	for {
 12613  		off := auxIntToInt32(v.AuxInt)
 12614  		sym := auxToSym(v.Aux)
 12615  		if v_0.Op != OpARM64ADD {
 12616  			break
 12617  		}
 12618  		idx := v_0.Args[1]
 12619  		ptr := v_0.Args[0]
 12620  		mem := v_1
 12621  		if !(off == 0 && sym == nil) {
 12622  			break
 12623  		}
 12624  		v.reset(OpARM64MOVWloadidx)
 12625  		v.AddArg3(ptr, idx, mem)
 12626  		return true
 12627  	}
 12628  	// match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12629  	// cond: off == 0 && sym == nil
 12630  	// result: (MOVWloadidx4 ptr idx mem)
 12631  	for {
 12632  		off := auxIntToInt32(v.AuxInt)
 12633  		sym := auxToSym(v.Aux)
 12634  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12635  			break
 12636  		}
 12637  		idx := v_0.Args[1]
 12638  		ptr := v_0.Args[0]
 12639  		mem := v_1
 12640  		if !(off == 0 && sym == nil) {
 12641  			break
 12642  		}
 12643  		v.reset(OpARM64MOVWloadidx4)
 12644  		v.AddArg3(ptr, idx, mem)
 12645  		return true
 12646  	}
 12647  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12648  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12649  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12650  	for {
 12651  		off1 := auxIntToInt32(v.AuxInt)
 12652  		sym1 := auxToSym(v.Aux)
 12653  		if v_0.Op != OpARM64MOVDaddr {
 12654  			break
 12655  		}
 12656  		off2 := auxIntToInt32(v_0.AuxInt)
 12657  		sym2 := auxToSym(v_0.Aux)
 12658  		ptr := v_0.Args[0]
 12659  		mem := v_1
 12660  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12661  			break
 12662  		}
 12663  		v.reset(OpARM64MOVWload)
 12664  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12665  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12666  		v.AddArg2(ptr, mem)
 12667  		return true
 12668  	}
 12669  	// match: (MOVWload [off] {sym} (SB) _)
 12670  	// cond: symIsRO(sym)
 12671  	// result: (MOVDconst [int64(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))])
 12672  	for {
 12673  		off := auxIntToInt32(v.AuxInt)
 12674  		sym := auxToSym(v.Aux)
 12675  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 12676  			break
 12677  		}
 12678  		v.reset(OpARM64MOVDconst)
 12679  		v.AuxInt = int64ToAuxInt(int64(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))))
 12680  		return true
 12681  	}
 12682  	return false
 12683  }
 12684  func rewriteValueARM64_OpARM64MOVWloadidx(v *Value) bool {
 12685  	v_2 := v.Args[2]
 12686  	v_1 := v.Args[1]
 12687  	v_0 := v.Args[0]
 12688  	// match: (MOVWloadidx ptr (MOVDconst [c]) mem)
 12689  	// cond: is32Bit(c)
 12690  	// result: (MOVWload [int32(c)] ptr mem)
 12691  	for {
 12692  		ptr := v_0
 12693  		if v_1.Op != OpARM64MOVDconst {
 12694  			break
 12695  		}
 12696  		c := auxIntToInt64(v_1.AuxInt)
 12697  		mem := v_2
 12698  		if !(is32Bit(c)) {
 12699  			break
 12700  		}
 12701  		v.reset(OpARM64MOVWload)
 12702  		v.AuxInt = int32ToAuxInt(int32(c))
 12703  		v.AddArg2(ptr, mem)
 12704  		return true
 12705  	}
 12706  	// match: (MOVWloadidx (MOVDconst [c]) ptr mem)
 12707  	// cond: is32Bit(c)
 12708  	// result: (MOVWload [int32(c)] ptr mem)
 12709  	for {
 12710  		if v_0.Op != OpARM64MOVDconst {
 12711  			break
 12712  		}
 12713  		c := auxIntToInt64(v_0.AuxInt)
 12714  		ptr := v_1
 12715  		mem := v_2
 12716  		if !(is32Bit(c)) {
 12717  			break
 12718  		}
 12719  		v.reset(OpARM64MOVWload)
 12720  		v.AuxInt = int32ToAuxInt(int32(c))
 12721  		v.AddArg2(ptr, mem)
 12722  		return true
 12723  	}
 12724  	// match: (MOVWloadidx ptr (SLLconst [2] idx) mem)
 12725  	// result: (MOVWloadidx4 ptr idx mem)
 12726  	for {
 12727  		ptr := v_0
 12728  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12729  			break
 12730  		}
 12731  		idx := v_1.Args[0]
 12732  		mem := v_2
 12733  		v.reset(OpARM64MOVWloadidx4)
 12734  		v.AddArg3(ptr, idx, mem)
 12735  		return true
 12736  	}
 12737  	// match: (MOVWloadidx (SLLconst [2] idx) ptr mem)
 12738  	// result: (MOVWloadidx4 ptr idx mem)
 12739  	for {
 12740  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12741  			break
 12742  		}
 12743  		idx := v_0.Args[0]
 12744  		ptr := v_1
 12745  		mem := v_2
 12746  		v.reset(OpARM64MOVWloadidx4)
 12747  		v.AddArg3(ptr, idx, mem)
 12748  		return true
 12749  	}
 12750  	return false
 12751  }
 12752  func rewriteValueARM64_OpARM64MOVWloadidx4(v *Value) bool {
 12753  	v_2 := v.Args[2]
 12754  	v_1 := v.Args[1]
 12755  	v_0 := v.Args[0]
 12756  	// match: (MOVWloadidx4 ptr (MOVDconst [c]) mem)
 12757  	// cond: is32Bit(c<<2)
 12758  	// result: (MOVWload [int32(c)<<2] ptr mem)
 12759  	for {
 12760  		ptr := v_0
 12761  		if v_1.Op != OpARM64MOVDconst {
 12762  			break
 12763  		}
 12764  		c := auxIntToInt64(v_1.AuxInt)
 12765  		mem := v_2
 12766  		if !(is32Bit(c << 2)) {
 12767  			break
 12768  		}
 12769  		v.reset(OpARM64MOVWload)
 12770  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12771  		v.AddArg2(ptr, mem)
 12772  		return true
 12773  	}
 12774  	return false
 12775  }
 12776  func rewriteValueARM64_OpARM64MOVWreg(v *Value) bool {
 12777  	v_0 := v.Args[0]
 12778  	// match: (MOVWreg (MOVDconst [c]))
 12779  	// result: (MOVDconst [int64(int32(c))])
 12780  	for {
 12781  		if v_0.Op != OpARM64MOVDconst {
 12782  			break
 12783  		}
 12784  		c := auxIntToInt64(v_0.AuxInt)
 12785  		v.reset(OpARM64MOVDconst)
 12786  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
 12787  		return true
 12788  	}
 12789  	// match: (MOVWreg x)
 12790  	// cond: v.Type.Size() <= 4
 12791  	// result: x
 12792  	for {
 12793  		x := v_0
 12794  		if !(v.Type.Size() <= 4) {
 12795  			break
 12796  		}
 12797  		v.copyOf(x)
 12798  		return true
 12799  	}
 12800  	// match: (MOVWreg <t> (ANDconst x [c]))
 12801  	// cond: uint64(c) & uint64(0xffffffff80000000) == 0
 12802  	// result: (ANDconst <t> x [c])
 12803  	for {
 12804  		t := v.Type
 12805  		if v_0.Op != OpARM64ANDconst {
 12806  			break
 12807  		}
 12808  		c := auxIntToInt64(v_0.AuxInt)
 12809  		x := v_0.Args[0]
 12810  		if !(uint64(c)&uint64(0xffffffff80000000) == 0) {
 12811  			break
 12812  		}
 12813  		v.reset(OpARM64ANDconst)
 12814  		v.Type = t
 12815  		v.AuxInt = int64ToAuxInt(c)
 12816  		v.AddArg(x)
 12817  		return true
 12818  	}
 12819  	// match: (MOVWreg (SLLconst [lc] x))
 12820  	// cond: lc < 32
 12821  	// result: (SBFIZ [armBFAuxInt(lc, 32-lc)] x)
 12822  	for {
 12823  		if v_0.Op != OpARM64SLLconst {
 12824  			break
 12825  		}
 12826  		lc := auxIntToInt64(v_0.AuxInt)
 12827  		x := v_0.Args[0]
 12828  		if !(lc < 32) {
 12829  			break
 12830  		}
 12831  		v.reset(OpARM64SBFIZ)
 12832  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 12833  		v.AddArg(x)
 12834  		return true
 12835  	}
 12836  	// match: (MOVWreg (SBFX [bfc] x))
 12837  	// cond: bfc.width() <= 32
 12838  	// result: (SBFX [bfc] x)
 12839  	for {
 12840  		if v_0.Op != OpARM64SBFX {
 12841  			break
 12842  		}
 12843  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 12844  		x := v_0.Args[0]
 12845  		if !(bfc.width() <= 32) {
 12846  			break
 12847  		}
 12848  		v.reset(OpARM64SBFX)
 12849  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 12850  		v.AddArg(x)
 12851  		return true
 12852  	}
 12853  	return false
 12854  }
 12855  func rewriteValueARM64_OpARM64MOVWstore(v *Value) bool {
 12856  	v_2 := v.Args[2]
 12857  	v_1 := v.Args[1]
 12858  	v_0 := v.Args[0]
 12859  	b := v.Block
 12860  	config := b.Func.Config
 12861  	// match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem)
 12862  	// result: (FMOVSstore [off] {sym} ptr val mem)
 12863  	for {
 12864  		off := auxIntToInt32(v.AuxInt)
 12865  		sym := auxToSym(v.Aux)
 12866  		ptr := v_0
 12867  		if v_1.Op != OpARM64FMOVSfpgp {
 12868  			break
 12869  		}
 12870  		val := v_1.Args[0]
 12871  		mem := v_2
 12872  		v.reset(OpARM64FMOVSstore)
 12873  		v.AuxInt = int32ToAuxInt(off)
 12874  		v.Aux = symToAux(sym)
 12875  		v.AddArg3(ptr, val, mem)
 12876  		return true
 12877  	}
 12878  	// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 12879  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12880  	// result: (MOVWstore [off1+int32(off2)] {sym} ptr val mem)
 12881  	for {
 12882  		off1 := auxIntToInt32(v.AuxInt)
 12883  		sym := auxToSym(v.Aux)
 12884  		if v_0.Op != OpARM64ADDconst {
 12885  			break
 12886  		}
 12887  		off2 := auxIntToInt64(v_0.AuxInt)
 12888  		ptr := v_0.Args[0]
 12889  		val := v_1
 12890  		mem := v_2
 12891  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12892  			break
 12893  		}
 12894  		v.reset(OpARM64MOVWstore)
 12895  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12896  		v.Aux = symToAux(sym)
 12897  		v.AddArg3(ptr, val, mem)
 12898  		return true
 12899  	}
 12900  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 12901  	// cond: off == 0 && sym == nil
 12902  	// result: (MOVWstoreidx ptr idx val mem)
 12903  	for {
 12904  		off := auxIntToInt32(v.AuxInt)
 12905  		sym := auxToSym(v.Aux)
 12906  		if v_0.Op != OpARM64ADD {
 12907  			break
 12908  		}
 12909  		idx := v_0.Args[1]
 12910  		ptr := v_0.Args[0]
 12911  		val := v_1
 12912  		mem := v_2
 12913  		if !(off == 0 && sym == nil) {
 12914  			break
 12915  		}
 12916  		v.reset(OpARM64MOVWstoreidx)
 12917  		v.AddArg4(ptr, idx, val, mem)
 12918  		return true
 12919  	}
 12920  	// match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
 12921  	// cond: off == 0 && sym == nil
 12922  	// result: (MOVWstoreidx4 ptr idx val mem)
 12923  	for {
 12924  		off := auxIntToInt32(v.AuxInt)
 12925  		sym := auxToSym(v.Aux)
 12926  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12927  			break
 12928  		}
 12929  		idx := v_0.Args[1]
 12930  		ptr := v_0.Args[0]
 12931  		val := v_1
 12932  		mem := v_2
 12933  		if !(off == 0 && sym == nil) {
 12934  			break
 12935  		}
 12936  		v.reset(OpARM64MOVWstoreidx4)
 12937  		v.AddArg4(ptr, idx, val, mem)
 12938  		return true
 12939  	}
 12940  	// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 12941  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12942  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 12943  	for {
 12944  		off1 := auxIntToInt32(v.AuxInt)
 12945  		sym1 := auxToSym(v.Aux)
 12946  		if v_0.Op != OpARM64MOVDaddr {
 12947  			break
 12948  		}
 12949  		off2 := auxIntToInt32(v_0.AuxInt)
 12950  		sym2 := auxToSym(v_0.Aux)
 12951  		ptr := v_0.Args[0]
 12952  		val := v_1
 12953  		mem := v_2
 12954  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12955  			break
 12956  		}
 12957  		v.reset(OpARM64MOVWstore)
 12958  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12959  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12960  		v.AddArg3(ptr, val, mem)
 12961  		return true
 12962  	}
 12963  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12964  	// result: (MOVWstore [off] {sym} ptr x mem)
 12965  	for {
 12966  		off := auxIntToInt32(v.AuxInt)
 12967  		sym := auxToSym(v.Aux)
 12968  		ptr := v_0
 12969  		if v_1.Op != OpARM64MOVWreg {
 12970  			break
 12971  		}
 12972  		x := v_1.Args[0]
 12973  		mem := v_2
 12974  		v.reset(OpARM64MOVWstore)
 12975  		v.AuxInt = int32ToAuxInt(off)
 12976  		v.Aux = symToAux(sym)
 12977  		v.AddArg3(ptr, x, mem)
 12978  		return true
 12979  	}
 12980  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
 12981  	// result: (MOVWstore [off] {sym} ptr x mem)
 12982  	for {
 12983  		off := auxIntToInt32(v.AuxInt)
 12984  		sym := auxToSym(v.Aux)
 12985  		ptr := v_0
 12986  		if v_1.Op != OpARM64MOVWUreg {
 12987  			break
 12988  		}
 12989  		x := v_1.Args[0]
 12990  		mem := v_2
 12991  		v.reset(OpARM64MOVWstore)
 12992  		v.AuxInt = int32ToAuxInt(off)
 12993  		v.Aux = symToAux(sym)
 12994  		v.AddArg3(ptr, x, mem)
 12995  		return true
 12996  	}
 12997  	return false
 12998  }
 12999  func rewriteValueARM64_OpARM64MOVWstoreidx(v *Value) bool {
 13000  	v_3 := v.Args[3]
 13001  	v_2 := v.Args[2]
 13002  	v_1 := v.Args[1]
 13003  	v_0 := v.Args[0]
 13004  	// match: (MOVWstoreidx ptr (MOVDconst [c]) val mem)
 13005  	// cond: is32Bit(c)
 13006  	// result: (MOVWstore [int32(c)] ptr val mem)
 13007  	for {
 13008  		ptr := v_0
 13009  		if v_1.Op != OpARM64MOVDconst {
 13010  			break
 13011  		}
 13012  		c := auxIntToInt64(v_1.AuxInt)
 13013  		val := v_2
 13014  		mem := v_3
 13015  		if !(is32Bit(c)) {
 13016  			break
 13017  		}
 13018  		v.reset(OpARM64MOVWstore)
 13019  		v.AuxInt = int32ToAuxInt(int32(c))
 13020  		v.AddArg3(ptr, val, mem)
 13021  		return true
 13022  	}
 13023  	// match: (MOVWstoreidx (MOVDconst [c]) idx val mem)
 13024  	// cond: is32Bit(c)
 13025  	// result: (MOVWstore [int32(c)] idx val mem)
 13026  	for {
 13027  		if v_0.Op != OpARM64MOVDconst {
 13028  			break
 13029  		}
 13030  		c := auxIntToInt64(v_0.AuxInt)
 13031  		idx := v_1
 13032  		val := v_2
 13033  		mem := v_3
 13034  		if !(is32Bit(c)) {
 13035  			break
 13036  		}
 13037  		v.reset(OpARM64MOVWstore)
 13038  		v.AuxInt = int32ToAuxInt(int32(c))
 13039  		v.AddArg3(idx, val, mem)
 13040  		return true
 13041  	}
 13042  	// match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem)
 13043  	// result: (MOVWstoreidx4 ptr idx val mem)
 13044  	for {
 13045  		ptr := v_0
 13046  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 13047  			break
 13048  		}
 13049  		idx := v_1.Args[0]
 13050  		val := v_2
 13051  		mem := v_3
 13052  		v.reset(OpARM64MOVWstoreidx4)
 13053  		v.AddArg4(ptr, idx, val, mem)
 13054  		return true
 13055  	}
 13056  	// match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem)
 13057  	// result: (MOVWstoreidx4 ptr idx val mem)
 13058  	for {
 13059  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 13060  			break
 13061  		}
 13062  		idx := v_0.Args[0]
 13063  		ptr := v_1
 13064  		val := v_2
 13065  		mem := v_3
 13066  		v.reset(OpARM64MOVWstoreidx4)
 13067  		v.AddArg4(ptr, idx, val, mem)
 13068  		return true
 13069  	}
 13070  	// match: (MOVWstoreidx ptr idx (MOVWreg x) mem)
 13071  	// result: (MOVWstoreidx ptr idx x mem)
 13072  	for {
 13073  		ptr := v_0
 13074  		idx := v_1
 13075  		if v_2.Op != OpARM64MOVWreg {
 13076  			break
 13077  		}
 13078  		x := v_2.Args[0]
 13079  		mem := v_3
 13080  		v.reset(OpARM64MOVWstoreidx)
 13081  		v.AddArg4(ptr, idx, x, mem)
 13082  		return true
 13083  	}
 13084  	// match: (MOVWstoreidx ptr idx (MOVWUreg x) mem)
 13085  	// result: (MOVWstoreidx ptr idx x mem)
 13086  	for {
 13087  		ptr := v_0
 13088  		idx := v_1
 13089  		if v_2.Op != OpARM64MOVWUreg {
 13090  			break
 13091  		}
 13092  		x := v_2.Args[0]
 13093  		mem := v_3
 13094  		v.reset(OpARM64MOVWstoreidx)
 13095  		v.AddArg4(ptr, idx, x, mem)
 13096  		return true
 13097  	}
 13098  	return false
 13099  }
 13100  func rewriteValueARM64_OpARM64MOVWstoreidx4(v *Value) bool {
 13101  	v_3 := v.Args[3]
 13102  	v_2 := v.Args[2]
 13103  	v_1 := v.Args[1]
 13104  	v_0 := v.Args[0]
 13105  	// match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem)
 13106  	// cond: is32Bit(c<<2)
 13107  	// result: (MOVWstore [int32(c)<<2] ptr val mem)
 13108  	for {
 13109  		ptr := v_0
 13110  		if v_1.Op != OpARM64MOVDconst {
 13111  			break
 13112  		}
 13113  		c := auxIntToInt64(v_1.AuxInt)
 13114  		val := v_2
 13115  		mem := v_3
 13116  		if !(is32Bit(c << 2)) {
 13117  			break
 13118  		}
 13119  		v.reset(OpARM64MOVWstore)
 13120  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 13121  		v.AddArg3(ptr, val, mem)
 13122  		return true
 13123  	}
 13124  	// match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem)
 13125  	// result: (MOVWstoreidx4 ptr idx x mem)
 13126  	for {
 13127  		ptr := v_0
 13128  		idx := v_1
 13129  		if v_2.Op != OpARM64MOVWreg {
 13130  			break
 13131  		}
 13132  		x := v_2.Args[0]
 13133  		mem := v_3
 13134  		v.reset(OpARM64MOVWstoreidx4)
 13135  		v.AddArg4(ptr, idx, x, mem)
 13136  		return true
 13137  	}
 13138  	// match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem)
 13139  	// result: (MOVWstoreidx4 ptr idx x mem)
 13140  	for {
 13141  		ptr := v_0
 13142  		idx := v_1
 13143  		if v_2.Op != OpARM64MOVWUreg {
 13144  			break
 13145  		}
 13146  		x := v_2.Args[0]
 13147  		mem := v_3
 13148  		v.reset(OpARM64MOVWstoreidx4)
 13149  		v.AddArg4(ptr, idx, x, mem)
 13150  		return true
 13151  	}
 13152  	return false
 13153  }
 13154  func rewriteValueARM64_OpARM64MSUB(v *Value) bool {
 13155  	v_2 := v.Args[2]
 13156  	v_1 := v.Args[1]
 13157  	v_0 := v.Args[0]
 13158  	b := v.Block
 13159  	// match: (MSUB a x (MOVDconst [-1]))
 13160  	// result: (ADD a x)
 13161  	for {
 13162  		a := v_0
 13163  		x := v_1
 13164  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
 13165  			break
 13166  		}
 13167  		v.reset(OpARM64ADD)
 13168  		v.AddArg2(a, x)
 13169  		return true
 13170  	}
 13171  	// match: (MSUB a _ (MOVDconst [0]))
 13172  	// result: a
 13173  	for {
 13174  		a := v_0
 13175  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 13176  			break
 13177  		}
 13178  		v.copyOf(a)
 13179  		return true
 13180  	}
 13181  	// match: (MSUB a x (MOVDconst [1]))
 13182  	// result: (SUB a x)
 13183  	for {
 13184  		a := v_0
 13185  		x := v_1
 13186  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
 13187  			break
 13188  		}
 13189  		v.reset(OpARM64SUB)
 13190  		v.AddArg2(a, x)
 13191  		return true
 13192  	}
 13193  	// match: (MSUB a x (MOVDconst [c]))
 13194  	// cond: isPowerOfTwo(c)
 13195  	// result: (SUBshiftLL a x [log64(c)])
 13196  	for {
 13197  		a := v_0
 13198  		x := v_1
 13199  		if v_2.Op != OpARM64MOVDconst {
 13200  			break
 13201  		}
 13202  		c := auxIntToInt64(v_2.AuxInt)
 13203  		if !(isPowerOfTwo(c)) {
 13204  			break
 13205  		}
 13206  		v.reset(OpARM64SUBshiftLL)
 13207  		v.AuxInt = int64ToAuxInt(log64(c))
 13208  		v.AddArg2(a, x)
 13209  		return true
 13210  	}
 13211  	// match: (MSUB a x (MOVDconst [c]))
 13212  	// cond: isPowerOfTwo(c-1) && c>=3
 13213  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13214  	for {
 13215  		a := v_0
 13216  		x := v_1
 13217  		if v_2.Op != OpARM64MOVDconst {
 13218  			break
 13219  		}
 13220  		c := auxIntToInt64(v_2.AuxInt)
 13221  		if !(isPowerOfTwo(c-1) && c >= 3) {
 13222  			break
 13223  		}
 13224  		v.reset(OpARM64SUB)
 13225  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13226  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13227  		v0.AddArg2(x, x)
 13228  		v.AddArg2(a, v0)
 13229  		return true
 13230  	}
 13231  	// match: (MSUB a x (MOVDconst [c]))
 13232  	// cond: isPowerOfTwo(c+1) && c>=7
 13233  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 13234  	for {
 13235  		a := v_0
 13236  		x := v_1
 13237  		if v_2.Op != OpARM64MOVDconst {
 13238  			break
 13239  		}
 13240  		c := auxIntToInt64(v_2.AuxInt)
 13241  		if !(isPowerOfTwo(c+1) && c >= 7) {
 13242  			break
 13243  		}
 13244  		v.reset(OpARM64ADD)
 13245  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13246  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13247  		v0.AddArg2(x, x)
 13248  		v.AddArg2(a, v0)
 13249  		return true
 13250  	}
 13251  	// match: (MSUB a x (MOVDconst [c]))
 13252  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
 13253  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 13254  	for {
 13255  		a := v_0
 13256  		x := v_1
 13257  		if v_2.Op != OpARM64MOVDconst {
 13258  			break
 13259  		}
 13260  		c := auxIntToInt64(v_2.AuxInt)
 13261  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
 13262  			break
 13263  		}
 13264  		v.reset(OpARM64ADDshiftLL)
 13265  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 13266  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13267  		v0.AuxInt = int64ToAuxInt(2)
 13268  		v0.AddArg2(x, x)
 13269  		v.AddArg2(a, v0)
 13270  		return true
 13271  	}
 13272  	// match: (MSUB a x (MOVDconst [c]))
 13273  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
 13274  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 13275  	for {
 13276  		a := v_0
 13277  		x := v_1
 13278  		if v_2.Op != OpARM64MOVDconst {
 13279  			break
 13280  		}
 13281  		c := auxIntToInt64(v_2.AuxInt)
 13282  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
 13283  			break
 13284  		}
 13285  		v.reset(OpARM64SUBshiftLL)
 13286  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 13287  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13288  		v0.AuxInt = int64ToAuxInt(2)
 13289  		v0.AddArg2(x, x)
 13290  		v.AddArg2(a, v0)
 13291  		return true
 13292  	}
 13293  	// match: (MSUB a x (MOVDconst [c]))
 13294  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
 13295  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 13296  	for {
 13297  		a := v_0
 13298  		x := v_1
 13299  		if v_2.Op != OpARM64MOVDconst {
 13300  			break
 13301  		}
 13302  		c := auxIntToInt64(v_2.AuxInt)
 13303  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
 13304  			break
 13305  		}
 13306  		v.reset(OpARM64ADDshiftLL)
 13307  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 13308  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13309  		v0.AuxInt = int64ToAuxInt(3)
 13310  		v0.AddArg2(x, x)
 13311  		v.AddArg2(a, v0)
 13312  		return true
 13313  	}
 13314  	// match: (MSUB a x (MOVDconst [c]))
 13315  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
 13316  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 13317  	for {
 13318  		a := v_0
 13319  		x := v_1
 13320  		if v_2.Op != OpARM64MOVDconst {
 13321  			break
 13322  		}
 13323  		c := auxIntToInt64(v_2.AuxInt)
 13324  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
 13325  			break
 13326  		}
 13327  		v.reset(OpARM64SUBshiftLL)
 13328  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 13329  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13330  		v0.AuxInt = int64ToAuxInt(3)
 13331  		v0.AddArg2(x, x)
 13332  		v.AddArg2(a, v0)
 13333  		return true
 13334  	}
 13335  	// match: (MSUB a (MOVDconst [-1]) x)
 13336  	// result: (ADD a x)
 13337  	for {
 13338  		a := v_0
 13339  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 13340  			break
 13341  		}
 13342  		x := v_2
 13343  		v.reset(OpARM64ADD)
 13344  		v.AddArg2(a, x)
 13345  		return true
 13346  	}
 13347  	// match: (MSUB a (MOVDconst [0]) _)
 13348  	// result: a
 13349  	for {
 13350  		a := v_0
 13351  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 13352  			break
 13353  		}
 13354  		v.copyOf(a)
 13355  		return true
 13356  	}
 13357  	// match: (MSUB a (MOVDconst [1]) x)
 13358  	// result: (SUB a x)
 13359  	for {
 13360  		a := v_0
 13361  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 13362  			break
 13363  		}
 13364  		x := v_2
 13365  		v.reset(OpARM64SUB)
 13366  		v.AddArg2(a, x)
 13367  		return true
 13368  	}
 13369  	// match: (MSUB a (MOVDconst [c]) x)
 13370  	// cond: isPowerOfTwo(c)
 13371  	// result: (SUBshiftLL a x [log64(c)])
 13372  	for {
 13373  		a := v_0
 13374  		if v_1.Op != OpARM64MOVDconst {
 13375  			break
 13376  		}
 13377  		c := auxIntToInt64(v_1.AuxInt)
 13378  		x := v_2
 13379  		if !(isPowerOfTwo(c)) {
 13380  			break
 13381  		}
 13382  		v.reset(OpARM64SUBshiftLL)
 13383  		v.AuxInt = int64ToAuxInt(log64(c))
 13384  		v.AddArg2(a, x)
 13385  		return true
 13386  	}
 13387  	// match: (MSUB a (MOVDconst [c]) x)
 13388  	// cond: isPowerOfTwo(c-1) && c>=3
 13389  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13390  	for {
 13391  		a := v_0
 13392  		if v_1.Op != OpARM64MOVDconst {
 13393  			break
 13394  		}
 13395  		c := auxIntToInt64(v_1.AuxInt)
 13396  		x := v_2
 13397  		if !(isPowerOfTwo(c-1) && c >= 3) {
 13398  			break
 13399  		}
 13400  		v.reset(OpARM64SUB)
 13401  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13402  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13403  		v0.AddArg2(x, x)
 13404  		v.AddArg2(a, v0)
 13405  		return true
 13406  	}
 13407  	// match: (MSUB a (MOVDconst [c]) x)
 13408  	// cond: isPowerOfTwo(c+1) && c>=7
 13409  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 13410  	for {
 13411  		a := v_0
 13412  		if v_1.Op != OpARM64MOVDconst {
 13413  			break
 13414  		}
 13415  		c := auxIntToInt64(v_1.AuxInt)
 13416  		x := v_2
 13417  		if !(isPowerOfTwo(c+1) && c >= 7) {
 13418  			break
 13419  		}
 13420  		v.reset(OpARM64ADD)
 13421  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13422  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13423  		v0.AddArg2(x, x)
 13424  		v.AddArg2(a, v0)
 13425  		return true
 13426  	}
 13427  	// match: (MSUB a (MOVDconst [c]) x)
 13428  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
 13429  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 13430  	for {
 13431  		a := v_0
 13432  		if v_1.Op != OpARM64MOVDconst {
 13433  			break
 13434  		}
 13435  		c := auxIntToInt64(v_1.AuxInt)
 13436  		x := v_2
 13437  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
 13438  			break
 13439  		}
 13440  		v.reset(OpARM64ADDshiftLL)
 13441  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 13442  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13443  		v0.AuxInt = int64ToAuxInt(2)
 13444  		v0.AddArg2(x, x)
 13445  		v.AddArg2(a, v0)
 13446  		return true
 13447  	}
 13448  	// match: (MSUB a (MOVDconst [c]) x)
 13449  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
 13450  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 13451  	for {
 13452  		a := v_0
 13453  		if v_1.Op != OpARM64MOVDconst {
 13454  			break
 13455  		}
 13456  		c := auxIntToInt64(v_1.AuxInt)
 13457  		x := v_2
 13458  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
 13459  			break
 13460  		}
 13461  		v.reset(OpARM64SUBshiftLL)
 13462  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 13463  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13464  		v0.AuxInt = int64ToAuxInt(2)
 13465  		v0.AddArg2(x, x)
 13466  		v.AddArg2(a, v0)
 13467  		return true
 13468  	}
 13469  	// match: (MSUB a (MOVDconst [c]) x)
 13470  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
 13471  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 13472  	for {
 13473  		a := v_0
 13474  		if v_1.Op != OpARM64MOVDconst {
 13475  			break
 13476  		}
 13477  		c := auxIntToInt64(v_1.AuxInt)
 13478  		x := v_2
 13479  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
 13480  			break
 13481  		}
 13482  		v.reset(OpARM64ADDshiftLL)
 13483  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 13484  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13485  		v0.AuxInt = int64ToAuxInt(3)
 13486  		v0.AddArg2(x, x)
 13487  		v.AddArg2(a, v0)
 13488  		return true
 13489  	}
 13490  	// match: (MSUB a (MOVDconst [c]) x)
 13491  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
 13492  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 13493  	for {
 13494  		a := v_0
 13495  		if v_1.Op != OpARM64MOVDconst {
 13496  			break
 13497  		}
 13498  		c := auxIntToInt64(v_1.AuxInt)
 13499  		x := v_2
 13500  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
 13501  			break
 13502  		}
 13503  		v.reset(OpARM64SUBshiftLL)
 13504  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 13505  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13506  		v0.AuxInt = int64ToAuxInt(3)
 13507  		v0.AddArg2(x, x)
 13508  		v.AddArg2(a, v0)
 13509  		return true
 13510  	}
 13511  	// match: (MSUB (MOVDconst [c]) x y)
 13512  	// result: (ADDconst [c] (MNEG <x.Type> x y))
 13513  	for {
 13514  		if v_0.Op != OpARM64MOVDconst {
 13515  			break
 13516  		}
 13517  		c := auxIntToInt64(v_0.AuxInt)
 13518  		x := v_1
 13519  		y := v_2
 13520  		v.reset(OpARM64ADDconst)
 13521  		v.AuxInt = int64ToAuxInt(c)
 13522  		v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type)
 13523  		v0.AddArg2(x, y)
 13524  		v.AddArg(v0)
 13525  		return true
 13526  	}
 13527  	// match: (MSUB a (MOVDconst [c]) (MOVDconst [d]))
 13528  	// result: (SUBconst [c*d] a)
 13529  	for {
 13530  		a := v_0
 13531  		if v_1.Op != OpARM64MOVDconst {
 13532  			break
 13533  		}
 13534  		c := auxIntToInt64(v_1.AuxInt)
 13535  		if v_2.Op != OpARM64MOVDconst {
 13536  			break
 13537  		}
 13538  		d := auxIntToInt64(v_2.AuxInt)
 13539  		v.reset(OpARM64SUBconst)
 13540  		v.AuxInt = int64ToAuxInt(c * d)
 13541  		v.AddArg(a)
 13542  		return true
 13543  	}
 13544  	return false
 13545  }
 13546  func rewriteValueARM64_OpARM64MSUBW(v *Value) bool {
 13547  	v_2 := v.Args[2]
 13548  	v_1 := v.Args[1]
 13549  	v_0 := v.Args[0]
 13550  	b := v.Block
 13551  	// match: (MSUBW a x (MOVDconst [c]))
 13552  	// cond: int32(c)==-1
 13553  	// result: (MOVWUreg (ADD <a.Type> a x))
 13554  	for {
 13555  		a := v_0
 13556  		x := v_1
 13557  		if v_2.Op != OpARM64MOVDconst {
 13558  			break
 13559  		}
 13560  		c := auxIntToInt64(v_2.AuxInt)
 13561  		if !(int32(c) == -1) {
 13562  			break
 13563  		}
 13564  		v.reset(OpARM64MOVWUreg)
 13565  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13566  		v0.AddArg2(a, x)
 13567  		v.AddArg(v0)
 13568  		return true
 13569  	}
 13570  	// match: (MSUBW a _ (MOVDconst [c]))
 13571  	// cond: int32(c)==0
 13572  	// result: (MOVWUreg a)
 13573  	for {
 13574  		a := v_0
 13575  		if v_2.Op != OpARM64MOVDconst {
 13576  			break
 13577  		}
 13578  		c := auxIntToInt64(v_2.AuxInt)
 13579  		if !(int32(c) == 0) {
 13580  			break
 13581  		}
 13582  		v.reset(OpARM64MOVWUreg)
 13583  		v.AddArg(a)
 13584  		return true
 13585  	}
 13586  	// match: (MSUBW a x (MOVDconst [c]))
 13587  	// cond: int32(c)==1
 13588  	// result: (MOVWUreg (SUB <a.Type> a x))
 13589  	for {
 13590  		a := v_0
 13591  		x := v_1
 13592  		if v_2.Op != OpARM64MOVDconst {
 13593  			break
 13594  		}
 13595  		c := auxIntToInt64(v_2.AuxInt)
 13596  		if !(int32(c) == 1) {
 13597  			break
 13598  		}
 13599  		v.reset(OpARM64MOVWUreg)
 13600  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13601  		v0.AddArg2(a, x)
 13602  		v.AddArg(v0)
 13603  		return true
 13604  	}
 13605  	// match: (MSUBW a x (MOVDconst [c]))
 13606  	// cond: isPowerOfTwo(c)
 13607  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13608  	for {
 13609  		a := v_0
 13610  		x := v_1
 13611  		if v_2.Op != OpARM64MOVDconst {
 13612  			break
 13613  		}
 13614  		c := auxIntToInt64(v_2.AuxInt)
 13615  		if !(isPowerOfTwo(c)) {
 13616  			break
 13617  		}
 13618  		v.reset(OpARM64MOVWUreg)
 13619  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13620  		v0.AuxInt = int64ToAuxInt(log64(c))
 13621  		v0.AddArg2(a, x)
 13622  		v.AddArg(v0)
 13623  		return true
 13624  	}
 13625  	// match: (MSUBW a x (MOVDconst [c]))
 13626  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
 13627  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13628  	for {
 13629  		a := v_0
 13630  		x := v_1
 13631  		if v_2.Op != OpARM64MOVDconst {
 13632  			break
 13633  		}
 13634  		c := auxIntToInt64(v_2.AuxInt)
 13635  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
 13636  			break
 13637  		}
 13638  		v.reset(OpARM64MOVWUreg)
 13639  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13640  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13641  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13642  		v1.AddArg2(x, x)
 13643  		v0.AddArg2(a, v1)
 13644  		v.AddArg(v0)
 13645  		return true
 13646  	}
 13647  	// match: (MSUBW a x (MOVDconst [c]))
 13648  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
 13649  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13650  	for {
 13651  		a := v_0
 13652  		x := v_1
 13653  		if v_2.Op != OpARM64MOVDconst {
 13654  			break
 13655  		}
 13656  		c := auxIntToInt64(v_2.AuxInt)
 13657  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
 13658  			break
 13659  		}
 13660  		v.reset(OpARM64MOVWUreg)
 13661  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13662  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13663  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13664  		v1.AddArg2(x, x)
 13665  		v0.AddArg2(a, v1)
 13666  		v.AddArg(v0)
 13667  		return true
 13668  	}
 13669  	// match: (MSUBW a x (MOVDconst [c]))
 13670  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
 13671  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13672  	for {
 13673  		a := v_0
 13674  		x := v_1
 13675  		if v_2.Op != OpARM64MOVDconst {
 13676  			break
 13677  		}
 13678  		c := auxIntToInt64(v_2.AuxInt)
 13679  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
 13680  			break
 13681  		}
 13682  		v.reset(OpARM64MOVWUreg)
 13683  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13684  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13685  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13686  		v1.AuxInt = int64ToAuxInt(2)
 13687  		v1.AddArg2(x, x)
 13688  		v0.AddArg2(a, v1)
 13689  		v.AddArg(v0)
 13690  		return true
 13691  	}
 13692  	// match: (MSUBW a x (MOVDconst [c]))
 13693  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
 13694  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13695  	for {
 13696  		a := v_0
 13697  		x := v_1
 13698  		if v_2.Op != OpARM64MOVDconst {
 13699  			break
 13700  		}
 13701  		c := auxIntToInt64(v_2.AuxInt)
 13702  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
 13703  			break
 13704  		}
 13705  		v.reset(OpARM64MOVWUreg)
 13706  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13707  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13708  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13709  		v1.AuxInt = int64ToAuxInt(2)
 13710  		v1.AddArg2(x, x)
 13711  		v0.AddArg2(a, v1)
 13712  		v.AddArg(v0)
 13713  		return true
 13714  	}
 13715  	// match: (MSUBW a x (MOVDconst [c]))
 13716  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
 13717  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13718  	for {
 13719  		a := v_0
 13720  		x := v_1
 13721  		if v_2.Op != OpARM64MOVDconst {
 13722  			break
 13723  		}
 13724  		c := auxIntToInt64(v_2.AuxInt)
 13725  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
 13726  			break
 13727  		}
 13728  		v.reset(OpARM64MOVWUreg)
 13729  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13730  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13731  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13732  		v1.AuxInt = int64ToAuxInt(3)
 13733  		v1.AddArg2(x, x)
 13734  		v0.AddArg2(a, v1)
 13735  		v.AddArg(v0)
 13736  		return true
 13737  	}
 13738  	// match: (MSUBW a x (MOVDconst [c]))
 13739  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
 13740  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13741  	for {
 13742  		a := v_0
 13743  		x := v_1
 13744  		if v_2.Op != OpARM64MOVDconst {
 13745  			break
 13746  		}
 13747  		c := auxIntToInt64(v_2.AuxInt)
 13748  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
 13749  			break
 13750  		}
 13751  		v.reset(OpARM64MOVWUreg)
 13752  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13753  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13754  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13755  		v1.AuxInt = int64ToAuxInt(3)
 13756  		v1.AddArg2(x, x)
 13757  		v0.AddArg2(a, v1)
 13758  		v.AddArg(v0)
 13759  		return true
 13760  	}
 13761  	// match: (MSUBW a (MOVDconst [c]) x)
 13762  	// cond: int32(c)==-1
 13763  	// result: (MOVWUreg (ADD <a.Type> a x))
 13764  	for {
 13765  		a := v_0
 13766  		if v_1.Op != OpARM64MOVDconst {
 13767  			break
 13768  		}
 13769  		c := auxIntToInt64(v_1.AuxInt)
 13770  		x := v_2
 13771  		if !(int32(c) == -1) {
 13772  			break
 13773  		}
 13774  		v.reset(OpARM64MOVWUreg)
 13775  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13776  		v0.AddArg2(a, x)
 13777  		v.AddArg(v0)
 13778  		return true
 13779  	}
 13780  	// match: (MSUBW a (MOVDconst [c]) _)
 13781  	// cond: int32(c)==0
 13782  	// result: (MOVWUreg a)
 13783  	for {
 13784  		a := v_0
 13785  		if v_1.Op != OpARM64MOVDconst {
 13786  			break
 13787  		}
 13788  		c := auxIntToInt64(v_1.AuxInt)
 13789  		if !(int32(c) == 0) {
 13790  			break
 13791  		}
 13792  		v.reset(OpARM64MOVWUreg)
 13793  		v.AddArg(a)
 13794  		return true
 13795  	}
 13796  	// match: (MSUBW a (MOVDconst [c]) x)
 13797  	// cond: int32(c)==1
 13798  	// result: (MOVWUreg (SUB <a.Type> a x))
 13799  	for {
 13800  		a := v_0
 13801  		if v_1.Op != OpARM64MOVDconst {
 13802  			break
 13803  		}
 13804  		c := auxIntToInt64(v_1.AuxInt)
 13805  		x := v_2
 13806  		if !(int32(c) == 1) {
 13807  			break
 13808  		}
 13809  		v.reset(OpARM64MOVWUreg)
 13810  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13811  		v0.AddArg2(a, x)
 13812  		v.AddArg(v0)
 13813  		return true
 13814  	}
 13815  	// match: (MSUBW a (MOVDconst [c]) x)
 13816  	// cond: isPowerOfTwo(c)
 13817  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13818  	for {
 13819  		a := v_0
 13820  		if v_1.Op != OpARM64MOVDconst {
 13821  			break
 13822  		}
 13823  		c := auxIntToInt64(v_1.AuxInt)
 13824  		x := v_2
 13825  		if !(isPowerOfTwo(c)) {
 13826  			break
 13827  		}
 13828  		v.reset(OpARM64MOVWUreg)
 13829  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13830  		v0.AuxInt = int64ToAuxInt(log64(c))
 13831  		v0.AddArg2(a, x)
 13832  		v.AddArg(v0)
 13833  		return true
 13834  	}
 13835  	// match: (MSUBW a (MOVDconst [c]) x)
 13836  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
 13837  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13838  	for {
 13839  		a := v_0
 13840  		if v_1.Op != OpARM64MOVDconst {
 13841  			break
 13842  		}
 13843  		c := auxIntToInt64(v_1.AuxInt)
 13844  		x := v_2
 13845  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
 13846  			break
 13847  		}
 13848  		v.reset(OpARM64MOVWUreg)
 13849  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13850  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13851  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13852  		v1.AddArg2(x, x)
 13853  		v0.AddArg2(a, v1)
 13854  		v.AddArg(v0)
 13855  		return true
 13856  	}
 13857  	// match: (MSUBW a (MOVDconst [c]) x)
 13858  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
 13859  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13860  	for {
 13861  		a := v_0
 13862  		if v_1.Op != OpARM64MOVDconst {
 13863  			break
 13864  		}
 13865  		c := auxIntToInt64(v_1.AuxInt)
 13866  		x := v_2
 13867  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
 13868  			break
 13869  		}
 13870  		v.reset(OpARM64MOVWUreg)
 13871  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13872  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13873  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13874  		v1.AddArg2(x, x)
 13875  		v0.AddArg2(a, v1)
 13876  		v.AddArg(v0)
 13877  		return true
 13878  	}
 13879  	// match: (MSUBW a (MOVDconst [c]) x)
 13880  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
 13881  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13882  	for {
 13883  		a := v_0
 13884  		if v_1.Op != OpARM64MOVDconst {
 13885  			break
 13886  		}
 13887  		c := auxIntToInt64(v_1.AuxInt)
 13888  		x := v_2
 13889  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
 13890  			break
 13891  		}
 13892  		v.reset(OpARM64MOVWUreg)
 13893  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13894  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13895  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13896  		v1.AuxInt = int64ToAuxInt(2)
 13897  		v1.AddArg2(x, x)
 13898  		v0.AddArg2(a, v1)
 13899  		v.AddArg(v0)
 13900  		return true
 13901  	}
 13902  	// match: (MSUBW a (MOVDconst [c]) x)
 13903  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
 13904  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13905  	for {
 13906  		a := v_0
 13907  		if v_1.Op != OpARM64MOVDconst {
 13908  			break
 13909  		}
 13910  		c := auxIntToInt64(v_1.AuxInt)
 13911  		x := v_2
 13912  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
 13913  			break
 13914  		}
 13915  		v.reset(OpARM64MOVWUreg)
 13916  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13917  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13918  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13919  		v1.AuxInt = int64ToAuxInt(2)
 13920  		v1.AddArg2(x, x)
 13921  		v0.AddArg2(a, v1)
 13922  		v.AddArg(v0)
 13923  		return true
 13924  	}
 13925  	// match: (MSUBW a (MOVDconst [c]) x)
 13926  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
 13927  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13928  	for {
 13929  		a := v_0
 13930  		if v_1.Op != OpARM64MOVDconst {
 13931  			break
 13932  		}
 13933  		c := auxIntToInt64(v_1.AuxInt)
 13934  		x := v_2
 13935  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
 13936  			break
 13937  		}
 13938  		v.reset(OpARM64MOVWUreg)
 13939  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13940  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13941  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13942  		v1.AuxInt = int64ToAuxInt(3)
 13943  		v1.AddArg2(x, x)
 13944  		v0.AddArg2(a, v1)
 13945  		v.AddArg(v0)
 13946  		return true
 13947  	}
 13948  	// match: (MSUBW a (MOVDconst [c]) x)
 13949  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
 13950  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13951  	for {
 13952  		a := v_0
 13953  		if v_1.Op != OpARM64MOVDconst {
 13954  			break
 13955  		}
 13956  		c := auxIntToInt64(v_1.AuxInt)
 13957  		x := v_2
 13958  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
 13959  			break
 13960  		}
 13961  		v.reset(OpARM64MOVWUreg)
 13962  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13963  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13964  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13965  		v1.AuxInt = int64ToAuxInt(3)
 13966  		v1.AddArg2(x, x)
 13967  		v0.AddArg2(a, v1)
 13968  		v.AddArg(v0)
 13969  		return true
 13970  	}
 13971  	// match: (MSUBW (MOVDconst [c]) x y)
 13972  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MNEGW <x.Type> x y)))
 13973  	for {
 13974  		if v_0.Op != OpARM64MOVDconst {
 13975  			break
 13976  		}
 13977  		c := auxIntToInt64(v_0.AuxInt)
 13978  		x := v_1
 13979  		y := v_2
 13980  		v.reset(OpARM64MOVWUreg)
 13981  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
 13982  		v0.AuxInt = int64ToAuxInt(c)
 13983  		v1 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type)
 13984  		v1.AddArg2(x, y)
 13985  		v0.AddArg(v1)
 13986  		v.AddArg(v0)
 13987  		return true
 13988  	}
 13989  	// match: (MSUBW a (MOVDconst [c]) (MOVDconst [d]))
 13990  	// result: (MOVWUreg (SUBconst <a.Type> [c*d] a))
 13991  	for {
 13992  		a := v_0
 13993  		if v_1.Op != OpARM64MOVDconst {
 13994  			break
 13995  		}
 13996  		c := auxIntToInt64(v_1.AuxInt)
 13997  		if v_2.Op != OpARM64MOVDconst {
 13998  			break
 13999  		}
 14000  		d := auxIntToInt64(v_2.AuxInt)
 14001  		v.reset(OpARM64MOVWUreg)
 14002  		v0 := b.NewValue0(v.Pos, OpARM64SUBconst, a.Type)
 14003  		v0.AuxInt = int64ToAuxInt(c * d)
 14004  		v0.AddArg(a)
 14005  		v.AddArg(v0)
 14006  		return true
 14007  	}
 14008  	return false
 14009  }
 14010  func rewriteValueARM64_OpARM64MUL(v *Value) bool {
 14011  	v_1 := v.Args[1]
 14012  	v_0 := v.Args[0]
 14013  	b := v.Block
 14014  	config := b.Func.Config
 14015  	// match: (MUL (NEG x) y)
 14016  	// result: (MNEG x y)
 14017  	for {
 14018  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14019  			if v_0.Op != OpARM64NEG {
 14020  				continue
 14021  			}
 14022  			x := v_0.Args[0]
 14023  			y := v_1
 14024  			v.reset(OpARM64MNEG)
 14025  			v.AddArg2(x, y)
 14026  			return true
 14027  		}
 14028  		break
 14029  	}
 14030  	// match: (MUL _ (MOVDconst [0]))
 14031  	// result: (MOVDconst [0])
 14032  	for {
 14033  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14034  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 14035  				continue
 14036  			}
 14037  			v.reset(OpARM64MOVDconst)
 14038  			v.AuxInt = int64ToAuxInt(0)
 14039  			return true
 14040  		}
 14041  		break
 14042  	}
 14043  	// match: (MUL x (MOVDconst [1]))
 14044  	// result: x
 14045  	for {
 14046  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14047  			x := v_0
 14048  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 14049  				continue
 14050  			}
 14051  			v.copyOf(x)
 14052  			return true
 14053  		}
 14054  		break
 14055  	}
 14056  	// match: (MUL x (MOVDconst [c]))
 14057  	// cond: canMulStrengthReduce(config, c)
 14058  	// result: {mulStrengthReduce(v, x, c)}
 14059  	for {
 14060  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14061  			x := v_0
 14062  			if v_1.Op != OpARM64MOVDconst {
 14063  				continue
 14064  			}
 14065  			c := auxIntToInt64(v_1.AuxInt)
 14066  			if !(canMulStrengthReduce(config, c)) {
 14067  				continue
 14068  			}
 14069  			v.copyOf(mulStrengthReduce(v, x, c))
 14070  			return true
 14071  		}
 14072  		break
 14073  	}
 14074  	// match: (MUL (MOVDconst [c]) (MOVDconst [d]))
 14075  	// result: (MOVDconst [c*d])
 14076  	for {
 14077  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14078  			if v_0.Op != OpARM64MOVDconst {
 14079  				continue
 14080  			}
 14081  			c := auxIntToInt64(v_0.AuxInt)
 14082  			if v_1.Op != OpARM64MOVDconst {
 14083  				continue
 14084  			}
 14085  			d := auxIntToInt64(v_1.AuxInt)
 14086  			v.reset(OpARM64MOVDconst)
 14087  			v.AuxInt = int64ToAuxInt(c * d)
 14088  			return true
 14089  		}
 14090  		break
 14091  	}
 14092  	// match: (MUL r:(MOVWUreg x) s:(MOVWUreg y))
 14093  	// cond: r.Uses == 1 && s.Uses == 1
 14094  	// result: (UMULL x y)
 14095  	for {
 14096  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14097  			r := v_0
 14098  			if r.Op != OpARM64MOVWUreg {
 14099  				continue
 14100  			}
 14101  			x := r.Args[0]
 14102  			s := v_1
 14103  			if s.Op != OpARM64MOVWUreg {
 14104  				continue
 14105  			}
 14106  			y := s.Args[0]
 14107  			if !(r.Uses == 1 && s.Uses == 1) {
 14108  				continue
 14109  			}
 14110  			v.reset(OpARM64UMULL)
 14111  			v.AddArg2(x, y)
 14112  			return true
 14113  		}
 14114  		break
 14115  	}
 14116  	// match: (MUL r:(MOVWreg x) s:(MOVWreg y))
 14117  	// cond: r.Uses == 1 && s.Uses == 1
 14118  	// result: (MULL x y)
 14119  	for {
 14120  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14121  			r := v_0
 14122  			if r.Op != OpARM64MOVWreg {
 14123  				continue
 14124  			}
 14125  			x := r.Args[0]
 14126  			s := v_1
 14127  			if s.Op != OpARM64MOVWreg {
 14128  				continue
 14129  			}
 14130  			y := s.Args[0]
 14131  			if !(r.Uses == 1 && s.Uses == 1) {
 14132  				continue
 14133  			}
 14134  			v.reset(OpARM64MULL)
 14135  			v.AddArg2(x, y)
 14136  			return true
 14137  		}
 14138  		break
 14139  	}
 14140  	return false
 14141  }
 14142  func rewriteValueARM64_OpARM64MULW(v *Value) bool {
 14143  	v_1 := v.Args[1]
 14144  	v_0 := v.Args[0]
 14145  	b := v.Block
 14146  	config := b.Func.Config
 14147  	// match: (MULW (NEG x) y)
 14148  	// result: (MNEGW x y)
 14149  	for {
 14150  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14151  			if v_0.Op != OpARM64NEG {
 14152  				continue
 14153  			}
 14154  			x := v_0.Args[0]
 14155  			y := v_1
 14156  			v.reset(OpARM64MNEGW)
 14157  			v.AddArg2(x, y)
 14158  			return true
 14159  		}
 14160  		break
 14161  	}
 14162  	// match: (MULW _ (MOVDconst [c]))
 14163  	// cond: int32(c)==0
 14164  	// result: (MOVDconst [0])
 14165  	for {
 14166  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14167  			if v_1.Op != OpARM64MOVDconst {
 14168  				continue
 14169  			}
 14170  			c := auxIntToInt64(v_1.AuxInt)
 14171  			if !(int32(c) == 0) {
 14172  				continue
 14173  			}
 14174  			v.reset(OpARM64MOVDconst)
 14175  			v.AuxInt = int64ToAuxInt(0)
 14176  			return true
 14177  		}
 14178  		break
 14179  	}
 14180  	// match: (MULW x (MOVDconst [c]))
 14181  	// cond: int32(c)==1
 14182  	// result: (MOVWUreg x)
 14183  	for {
 14184  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14185  			x := v_0
 14186  			if v_1.Op != OpARM64MOVDconst {
 14187  				continue
 14188  			}
 14189  			c := auxIntToInt64(v_1.AuxInt)
 14190  			if !(int32(c) == 1) {
 14191  				continue
 14192  			}
 14193  			v.reset(OpARM64MOVWUreg)
 14194  			v.AddArg(x)
 14195  			return true
 14196  		}
 14197  		break
 14198  	}
 14199  	// match: (MULW x (MOVDconst [c]))
 14200  	// cond: v.Type.Size() <= 4 && canMulStrengthReduce32(config, int32(c))
 14201  	// result: {mulStrengthReduce32(v, x, int32(c))}
 14202  	for {
 14203  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14204  			x := v_0
 14205  			if v_1.Op != OpARM64MOVDconst {
 14206  				continue
 14207  			}
 14208  			c := auxIntToInt64(v_1.AuxInt)
 14209  			if !(v.Type.Size() <= 4 && canMulStrengthReduce32(config, int32(c))) {
 14210  				continue
 14211  			}
 14212  			v.copyOf(mulStrengthReduce32(v, x, int32(c)))
 14213  			return true
 14214  		}
 14215  		break
 14216  	}
 14217  	// match: (MULW (MOVDconst [c]) (MOVDconst [d]))
 14218  	// result: (MOVDconst [int64(uint32(c*d))])
 14219  	for {
 14220  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14221  			if v_0.Op != OpARM64MOVDconst {
 14222  				continue
 14223  			}
 14224  			c := auxIntToInt64(v_0.AuxInt)
 14225  			if v_1.Op != OpARM64MOVDconst {
 14226  				continue
 14227  			}
 14228  			d := auxIntToInt64(v_1.AuxInt)
 14229  			v.reset(OpARM64MOVDconst)
 14230  			v.AuxInt = int64ToAuxInt(int64(uint32(c * d)))
 14231  			return true
 14232  		}
 14233  		break
 14234  	}
 14235  	return false
 14236  }
 14237  func rewriteValueARM64_OpARM64MVN(v *Value) bool {
 14238  	v_0 := v.Args[0]
 14239  	// match: (MVN (XOR x y))
 14240  	// result: (EON x y)
 14241  	for {
 14242  		if v_0.Op != OpARM64XOR {
 14243  			break
 14244  		}
 14245  		y := v_0.Args[1]
 14246  		x := v_0.Args[0]
 14247  		v.reset(OpARM64EON)
 14248  		v.AddArg2(x, y)
 14249  		return true
 14250  	}
 14251  	// match: (MVN (MOVDconst [c]))
 14252  	// result: (MOVDconst [^c])
 14253  	for {
 14254  		if v_0.Op != OpARM64MOVDconst {
 14255  			break
 14256  		}
 14257  		c := auxIntToInt64(v_0.AuxInt)
 14258  		v.reset(OpARM64MOVDconst)
 14259  		v.AuxInt = int64ToAuxInt(^c)
 14260  		return true
 14261  	}
 14262  	// match: (MVN x:(SLLconst [c] y))
 14263  	// cond: clobberIfDead(x)
 14264  	// result: (MVNshiftLL [c] y)
 14265  	for {
 14266  		x := v_0
 14267  		if x.Op != OpARM64SLLconst {
 14268  			break
 14269  		}
 14270  		c := auxIntToInt64(x.AuxInt)
 14271  		y := x.Args[0]
 14272  		if !(clobberIfDead(x)) {
 14273  			break
 14274  		}
 14275  		v.reset(OpARM64MVNshiftLL)
 14276  		v.AuxInt = int64ToAuxInt(c)
 14277  		v.AddArg(y)
 14278  		return true
 14279  	}
 14280  	// match: (MVN x:(SRLconst [c] y))
 14281  	// cond: clobberIfDead(x)
 14282  	// result: (MVNshiftRL [c] y)
 14283  	for {
 14284  		x := v_0
 14285  		if x.Op != OpARM64SRLconst {
 14286  			break
 14287  		}
 14288  		c := auxIntToInt64(x.AuxInt)
 14289  		y := x.Args[0]
 14290  		if !(clobberIfDead(x)) {
 14291  			break
 14292  		}
 14293  		v.reset(OpARM64MVNshiftRL)
 14294  		v.AuxInt = int64ToAuxInt(c)
 14295  		v.AddArg(y)
 14296  		return true
 14297  	}
 14298  	// match: (MVN x:(SRAconst [c] y))
 14299  	// cond: clobberIfDead(x)
 14300  	// result: (MVNshiftRA [c] y)
 14301  	for {
 14302  		x := v_0
 14303  		if x.Op != OpARM64SRAconst {
 14304  			break
 14305  		}
 14306  		c := auxIntToInt64(x.AuxInt)
 14307  		y := x.Args[0]
 14308  		if !(clobberIfDead(x)) {
 14309  			break
 14310  		}
 14311  		v.reset(OpARM64MVNshiftRA)
 14312  		v.AuxInt = int64ToAuxInt(c)
 14313  		v.AddArg(y)
 14314  		return true
 14315  	}
 14316  	// match: (MVN x:(RORconst [c] y))
 14317  	// cond: clobberIfDead(x)
 14318  	// result: (MVNshiftRO [c] y)
 14319  	for {
 14320  		x := v_0
 14321  		if x.Op != OpARM64RORconst {
 14322  			break
 14323  		}
 14324  		c := auxIntToInt64(x.AuxInt)
 14325  		y := x.Args[0]
 14326  		if !(clobberIfDead(x)) {
 14327  			break
 14328  		}
 14329  		v.reset(OpARM64MVNshiftRO)
 14330  		v.AuxInt = int64ToAuxInt(c)
 14331  		v.AddArg(y)
 14332  		return true
 14333  	}
 14334  	return false
 14335  }
 14336  func rewriteValueARM64_OpARM64MVNshiftLL(v *Value) bool {
 14337  	v_0 := v.Args[0]
 14338  	// match: (MVNshiftLL (MOVDconst [c]) [d])
 14339  	// result: (MOVDconst [^int64(uint64(c)<<uint64(d))])
 14340  	for {
 14341  		d := auxIntToInt64(v.AuxInt)
 14342  		if v_0.Op != OpARM64MOVDconst {
 14343  			break
 14344  		}
 14345  		c := auxIntToInt64(v_0.AuxInt)
 14346  		v.reset(OpARM64MOVDconst)
 14347  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 14348  		return true
 14349  	}
 14350  	return false
 14351  }
 14352  func rewriteValueARM64_OpARM64MVNshiftRA(v *Value) bool {
 14353  	v_0 := v.Args[0]
 14354  	// match: (MVNshiftRA (MOVDconst [c]) [d])
 14355  	// result: (MOVDconst [^(c>>uint64(d))])
 14356  	for {
 14357  		d := auxIntToInt64(v.AuxInt)
 14358  		if v_0.Op != OpARM64MOVDconst {
 14359  			break
 14360  		}
 14361  		c := auxIntToInt64(v_0.AuxInt)
 14362  		v.reset(OpARM64MOVDconst)
 14363  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 14364  		return true
 14365  	}
 14366  	return false
 14367  }
 14368  func rewriteValueARM64_OpARM64MVNshiftRL(v *Value) bool {
 14369  	v_0 := v.Args[0]
 14370  	// match: (MVNshiftRL (MOVDconst [c]) [d])
 14371  	// result: (MOVDconst [^int64(uint64(c)>>uint64(d))])
 14372  	for {
 14373  		d := auxIntToInt64(v.AuxInt)
 14374  		if v_0.Op != OpARM64MOVDconst {
 14375  			break
 14376  		}
 14377  		c := auxIntToInt64(v_0.AuxInt)
 14378  		v.reset(OpARM64MOVDconst)
 14379  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 14380  		return true
 14381  	}
 14382  	return false
 14383  }
 14384  func rewriteValueARM64_OpARM64MVNshiftRO(v *Value) bool {
 14385  	v_0 := v.Args[0]
 14386  	// match: (MVNshiftRO (MOVDconst [c]) [d])
 14387  	// result: (MOVDconst [^rotateRight64(c, d)])
 14388  	for {
 14389  		d := auxIntToInt64(v.AuxInt)
 14390  		if v_0.Op != OpARM64MOVDconst {
 14391  			break
 14392  		}
 14393  		c := auxIntToInt64(v_0.AuxInt)
 14394  		v.reset(OpARM64MOVDconst)
 14395  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14396  		return true
 14397  	}
 14398  	return false
 14399  }
 14400  func rewriteValueARM64_OpARM64NEG(v *Value) bool {
 14401  	v_0 := v.Args[0]
 14402  	// match: (NEG (MUL x y))
 14403  	// result: (MNEG x y)
 14404  	for {
 14405  		if v_0.Op != OpARM64MUL {
 14406  			break
 14407  		}
 14408  		y := v_0.Args[1]
 14409  		x := v_0.Args[0]
 14410  		v.reset(OpARM64MNEG)
 14411  		v.AddArg2(x, y)
 14412  		return true
 14413  	}
 14414  	// match: (NEG (MULW x y))
 14415  	// cond: v.Type.Size() <= 4
 14416  	// result: (MNEGW x y)
 14417  	for {
 14418  		if v_0.Op != OpARM64MULW {
 14419  			break
 14420  		}
 14421  		y := v_0.Args[1]
 14422  		x := v_0.Args[0]
 14423  		if !(v.Type.Size() <= 4) {
 14424  			break
 14425  		}
 14426  		v.reset(OpARM64MNEGW)
 14427  		v.AddArg2(x, y)
 14428  		return true
 14429  	}
 14430  	// match: (NEG (SUB x y))
 14431  	// result: (SUB y x)
 14432  	for {
 14433  		if v_0.Op != OpARM64SUB {
 14434  			break
 14435  		}
 14436  		y := v_0.Args[1]
 14437  		x := v_0.Args[0]
 14438  		v.reset(OpARM64SUB)
 14439  		v.AddArg2(y, x)
 14440  		return true
 14441  	}
 14442  	// match: (NEG (NEG x))
 14443  	// result: x
 14444  	for {
 14445  		if v_0.Op != OpARM64NEG {
 14446  			break
 14447  		}
 14448  		x := v_0.Args[0]
 14449  		v.copyOf(x)
 14450  		return true
 14451  	}
 14452  	// match: (NEG (MOVDconst [c]))
 14453  	// result: (MOVDconst [-c])
 14454  	for {
 14455  		if v_0.Op != OpARM64MOVDconst {
 14456  			break
 14457  		}
 14458  		c := auxIntToInt64(v_0.AuxInt)
 14459  		v.reset(OpARM64MOVDconst)
 14460  		v.AuxInt = int64ToAuxInt(-c)
 14461  		return true
 14462  	}
 14463  	// match: (NEG x:(SLLconst [c] y))
 14464  	// cond: clobberIfDead(x)
 14465  	// result: (NEGshiftLL [c] y)
 14466  	for {
 14467  		x := v_0
 14468  		if x.Op != OpARM64SLLconst {
 14469  			break
 14470  		}
 14471  		c := auxIntToInt64(x.AuxInt)
 14472  		y := x.Args[0]
 14473  		if !(clobberIfDead(x)) {
 14474  			break
 14475  		}
 14476  		v.reset(OpARM64NEGshiftLL)
 14477  		v.AuxInt = int64ToAuxInt(c)
 14478  		v.AddArg(y)
 14479  		return true
 14480  	}
 14481  	// match: (NEG x:(SRLconst [c] y))
 14482  	// cond: clobberIfDead(x)
 14483  	// result: (NEGshiftRL [c] y)
 14484  	for {
 14485  		x := v_0
 14486  		if x.Op != OpARM64SRLconst {
 14487  			break
 14488  		}
 14489  		c := auxIntToInt64(x.AuxInt)
 14490  		y := x.Args[0]
 14491  		if !(clobberIfDead(x)) {
 14492  			break
 14493  		}
 14494  		v.reset(OpARM64NEGshiftRL)
 14495  		v.AuxInt = int64ToAuxInt(c)
 14496  		v.AddArg(y)
 14497  		return true
 14498  	}
 14499  	// match: (NEG x:(SRAconst [c] y))
 14500  	// cond: clobberIfDead(x)
 14501  	// result: (NEGshiftRA [c] y)
 14502  	for {
 14503  		x := v_0
 14504  		if x.Op != OpARM64SRAconst {
 14505  			break
 14506  		}
 14507  		c := auxIntToInt64(x.AuxInt)
 14508  		y := x.Args[0]
 14509  		if !(clobberIfDead(x)) {
 14510  			break
 14511  		}
 14512  		v.reset(OpARM64NEGshiftRA)
 14513  		v.AuxInt = int64ToAuxInt(c)
 14514  		v.AddArg(y)
 14515  		return true
 14516  	}
 14517  	return false
 14518  }
 14519  func rewriteValueARM64_OpARM64NEGshiftLL(v *Value) bool {
 14520  	v_0 := v.Args[0]
 14521  	// match: (NEGshiftLL (MOVDconst [c]) [d])
 14522  	// result: (MOVDconst [-int64(uint64(c)<<uint64(d))])
 14523  	for {
 14524  		d := auxIntToInt64(v.AuxInt)
 14525  		if v_0.Op != OpARM64MOVDconst {
 14526  			break
 14527  		}
 14528  		c := auxIntToInt64(v_0.AuxInt)
 14529  		v.reset(OpARM64MOVDconst)
 14530  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) << uint64(d)))
 14531  		return true
 14532  	}
 14533  	return false
 14534  }
 14535  func rewriteValueARM64_OpARM64NEGshiftRA(v *Value) bool {
 14536  	v_0 := v.Args[0]
 14537  	// match: (NEGshiftRA (MOVDconst [c]) [d])
 14538  	// result: (MOVDconst [-(c>>uint64(d))])
 14539  	for {
 14540  		d := auxIntToInt64(v.AuxInt)
 14541  		if v_0.Op != OpARM64MOVDconst {
 14542  			break
 14543  		}
 14544  		c := auxIntToInt64(v_0.AuxInt)
 14545  		v.reset(OpARM64MOVDconst)
 14546  		v.AuxInt = int64ToAuxInt(-(c >> uint64(d)))
 14547  		return true
 14548  	}
 14549  	return false
 14550  }
 14551  func rewriteValueARM64_OpARM64NEGshiftRL(v *Value) bool {
 14552  	v_0 := v.Args[0]
 14553  	// match: (NEGshiftRL (MOVDconst [c]) [d])
 14554  	// result: (MOVDconst [-int64(uint64(c)>>uint64(d))])
 14555  	for {
 14556  		d := auxIntToInt64(v.AuxInt)
 14557  		if v_0.Op != OpARM64MOVDconst {
 14558  			break
 14559  		}
 14560  		c := auxIntToInt64(v_0.AuxInt)
 14561  		v.reset(OpARM64MOVDconst)
 14562  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) >> uint64(d)))
 14563  		return true
 14564  	}
 14565  	return false
 14566  }
 14567  func rewriteValueARM64_OpARM64NotEqual(v *Value) bool {
 14568  	v_0 := v.Args[0]
 14569  	b := v.Block
 14570  	// match: (NotEqual (CMPconst [0] z:(AND x y)))
 14571  	// cond: z.Uses == 1
 14572  	// result: (NotEqual (TST x y))
 14573  	for {
 14574  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14575  			break
 14576  		}
 14577  		z := v_0.Args[0]
 14578  		if z.Op != OpARM64AND {
 14579  			break
 14580  		}
 14581  		y := z.Args[1]
 14582  		x := z.Args[0]
 14583  		if !(z.Uses == 1) {
 14584  			break
 14585  		}
 14586  		v.reset(OpARM64NotEqual)
 14587  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
 14588  		v0.AddArg2(x, y)
 14589  		v.AddArg(v0)
 14590  		return true
 14591  	}
 14592  	// match: (NotEqual (CMPWconst [0] x:(ANDconst [c] y)))
 14593  	// cond: x.Uses == 1
 14594  	// result: (NotEqual (TSTWconst [int32(c)] y))
 14595  	for {
 14596  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14597  			break
 14598  		}
 14599  		x := v_0.Args[0]
 14600  		if x.Op != OpARM64ANDconst {
 14601  			break
 14602  		}
 14603  		c := auxIntToInt64(x.AuxInt)
 14604  		y := x.Args[0]
 14605  		if !(x.Uses == 1) {
 14606  			break
 14607  		}
 14608  		v.reset(OpARM64NotEqual)
 14609  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 14610  		v0.AuxInt = int32ToAuxInt(int32(c))
 14611  		v0.AddArg(y)
 14612  		v.AddArg(v0)
 14613  		return true
 14614  	}
 14615  	// match: (NotEqual (CMPWconst [0] z:(AND x y)))
 14616  	// cond: z.Uses == 1
 14617  	// result: (NotEqual (TSTW x y))
 14618  	for {
 14619  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14620  			break
 14621  		}
 14622  		z := v_0.Args[0]
 14623  		if z.Op != OpARM64AND {
 14624  			break
 14625  		}
 14626  		y := z.Args[1]
 14627  		x := z.Args[0]
 14628  		if !(z.Uses == 1) {
 14629  			break
 14630  		}
 14631  		v.reset(OpARM64NotEqual)
 14632  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
 14633  		v0.AddArg2(x, y)
 14634  		v.AddArg(v0)
 14635  		return true
 14636  	}
 14637  	// match: (NotEqual (CMPconst [0] x:(ANDconst [c] y)))
 14638  	// cond: x.Uses == 1
 14639  	// result: (NotEqual (TSTconst [c] y))
 14640  	for {
 14641  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14642  			break
 14643  		}
 14644  		x := v_0.Args[0]
 14645  		if x.Op != OpARM64ANDconst {
 14646  			break
 14647  		}
 14648  		c := auxIntToInt64(x.AuxInt)
 14649  		y := x.Args[0]
 14650  		if !(x.Uses == 1) {
 14651  			break
 14652  		}
 14653  		v.reset(OpARM64NotEqual)
 14654  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
 14655  		v0.AuxInt = int64ToAuxInt(c)
 14656  		v0.AddArg(y)
 14657  		v.AddArg(v0)
 14658  		return true
 14659  	}
 14660  	// match: (NotEqual (CMP x z:(NEG y)))
 14661  	// cond: z.Uses == 1
 14662  	// result: (NotEqual (CMN x y))
 14663  	for {
 14664  		if v_0.Op != OpARM64CMP {
 14665  			break
 14666  		}
 14667  		_ = v_0.Args[1]
 14668  		x := v_0.Args[0]
 14669  		z := v_0.Args[1]
 14670  		if z.Op != OpARM64NEG {
 14671  			break
 14672  		}
 14673  		y := z.Args[0]
 14674  		if !(z.Uses == 1) {
 14675  			break
 14676  		}
 14677  		v.reset(OpARM64NotEqual)
 14678  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14679  		v0.AddArg2(x, y)
 14680  		v.AddArg(v0)
 14681  		return true
 14682  	}
 14683  	// match: (NotEqual (CMPW x z:(NEG y)))
 14684  	// cond: z.Uses == 1
 14685  	// result: (NotEqual (CMNW x y))
 14686  	for {
 14687  		if v_0.Op != OpARM64CMPW {
 14688  			break
 14689  		}
 14690  		_ = v_0.Args[1]
 14691  		x := v_0.Args[0]
 14692  		z := v_0.Args[1]
 14693  		if z.Op != OpARM64NEG {
 14694  			break
 14695  		}
 14696  		y := z.Args[0]
 14697  		if !(z.Uses == 1) {
 14698  			break
 14699  		}
 14700  		v.reset(OpARM64NotEqual)
 14701  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14702  		v0.AddArg2(x, y)
 14703  		v.AddArg(v0)
 14704  		return true
 14705  	}
 14706  	// match: (NotEqual (CMPconst [0] x:(ADDconst [c] y)))
 14707  	// cond: x.Uses == 1
 14708  	// result: (NotEqual (CMNconst [c] y))
 14709  	for {
 14710  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14711  			break
 14712  		}
 14713  		x := v_0.Args[0]
 14714  		if x.Op != OpARM64ADDconst {
 14715  			break
 14716  		}
 14717  		c := auxIntToInt64(x.AuxInt)
 14718  		y := x.Args[0]
 14719  		if !(x.Uses == 1) {
 14720  			break
 14721  		}
 14722  		v.reset(OpARM64NotEqual)
 14723  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
 14724  		v0.AuxInt = int64ToAuxInt(c)
 14725  		v0.AddArg(y)
 14726  		v.AddArg(v0)
 14727  		return true
 14728  	}
 14729  	// match: (NotEqual (CMPWconst [0] x:(ADDconst [c] y)))
 14730  	// cond: x.Uses == 1
 14731  	// result: (NotEqual (CMNWconst [int32(c)] y))
 14732  	for {
 14733  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14734  			break
 14735  		}
 14736  		x := v_0.Args[0]
 14737  		if x.Op != OpARM64ADDconst {
 14738  			break
 14739  		}
 14740  		c := auxIntToInt64(x.AuxInt)
 14741  		y := x.Args[0]
 14742  		if !(x.Uses == 1) {
 14743  			break
 14744  		}
 14745  		v.reset(OpARM64NotEqual)
 14746  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
 14747  		v0.AuxInt = int32ToAuxInt(int32(c))
 14748  		v0.AddArg(y)
 14749  		v.AddArg(v0)
 14750  		return true
 14751  	}
 14752  	// match: (NotEqual (CMPconst [0] z:(ADD x y)))
 14753  	// cond: z.Uses == 1
 14754  	// result: (NotEqual (CMN x y))
 14755  	for {
 14756  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14757  			break
 14758  		}
 14759  		z := v_0.Args[0]
 14760  		if z.Op != OpARM64ADD {
 14761  			break
 14762  		}
 14763  		y := z.Args[1]
 14764  		x := z.Args[0]
 14765  		if !(z.Uses == 1) {
 14766  			break
 14767  		}
 14768  		v.reset(OpARM64NotEqual)
 14769  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14770  		v0.AddArg2(x, y)
 14771  		v.AddArg(v0)
 14772  		return true
 14773  	}
 14774  	// match: (NotEqual (CMPWconst [0] z:(ADD x y)))
 14775  	// cond: z.Uses == 1
 14776  	// result: (NotEqual (CMNW x y))
 14777  	for {
 14778  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14779  			break
 14780  		}
 14781  		z := v_0.Args[0]
 14782  		if z.Op != OpARM64ADD {
 14783  			break
 14784  		}
 14785  		y := z.Args[1]
 14786  		x := z.Args[0]
 14787  		if !(z.Uses == 1) {
 14788  			break
 14789  		}
 14790  		v.reset(OpARM64NotEqual)
 14791  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14792  		v0.AddArg2(x, y)
 14793  		v.AddArg(v0)
 14794  		return true
 14795  	}
 14796  	// match: (NotEqual (CMPconst [0] z:(MADD a x y)))
 14797  	// cond: z.Uses == 1
 14798  	// result: (NotEqual (CMN a (MUL <x.Type> x y)))
 14799  	for {
 14800  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14801  			break
 14802  		}
 14803  		z := v_0.Args[0]
 14804  		if z.Op != OpARM64MADD {
 14805  			break
 14806  		}
 14807  		y := z.Args[2]
 14808  		a := z.Args[0]
 14809  		x := z.Args[1]
 14810  		if !(z.Uses == 1) {
 14811  			break
 14812  		}
 14813  		v.reset(OpARM64NotEqual)
 14814  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14815  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14816  		v1.AddArg2(x, y)
 14817  		v0.AddArg2(a, v1)
 14818  		v.AddArg(v0)
 14819  		return true
 14820  	}
 14821  	// match: (NotEqual (CMPWconst [0] z:(MADDW a x y)))
 14822  	// cond: z.Uses == 1
 14823  	// result: (NotEqual (CMNW a (MULW <x.Type> x y)))
 14824  	for {
 14825  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14826  			break
 14827  		}
 14828  		z := v_0.Args[0]
 14829  		if z.Op != OpARM64MADDW {
 14830  			break
 14831  		}
 14832  		y := z.Args[2]
 14833  		a := z.Args[0]
 14834  		x := z.Args[1]
 14835  		if !(z.Uses == 1) {
 14836  			break
 14837  		}
 14838  		v.reset(OpARM64NotEqual)
 14839  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14840  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14841  		v1.AddArg2(x, y)
 14842  		v0.AddArg2(a, v1)
 14843  		v.AddArg(v0)
 14844  		return true
 14845  	}
 14846  	// match: (NotEqual (CMPconst [0] z:(MSUB a x y)))
 14847  	// cond: z.Uses == 1
 14848  	// result: (NotEqual (CMP a (MUL <x.Type> x y)))
 14849  	for {
 14850  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14851  			break
 14852  		}
 14853  		z := v_0.Args[0]
 14854  		if z.Op != OpARM64MSUB {
 14855  			break
 14856  		}
 14857  		y := z.Args[2]
 14858  		a := z.Args[0]
 14859  		x := z.Args[1]
 14860  		if !(z.Uses == 1) {
 14861  			break
 14862  		}
 14863  		v.reset(OpARM64NotEqual)
 14864  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 14865  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14866  		v1.AddArg2(x, y)
 14867  		v0.AddArg2(a, v1)
 14868  		v.AddArg(v0)
 14869  		return true
 14870  	}
 14871  	// match: (NotEqual (CMPWconst [0] z:(MSUBW a x y)))
 14872  	// cond: z.Uses == 1
 14873  	// result: (NotEqual (CMPW a (MULW <x.Type> x y)))
 14874  	for {
 14875  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14876  			break
 14877  		}
 14878  		z := v_0.Args[0]
 14879  		if z.Op != OpARM64MSUBW {
 14880  			break
 14881  		}
 14882  		y := z.Args[2]
 14883  		a := z.Args[0]
 14884  		x := z.Args[1]
 14885  		if !(z.Uses == 1) {
 14886  			break
 14887  		}
 14888  		v.reset(OpARM64NotEqual)
 14889  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 14890  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14891  		v1.AddArg2(x, y)
 14892  		v0.AddArg2(a, v1)
 14893  		v.AddArg(v0)
 14894  		return true
 14895  	}
 14896  	// match: (NotEqual (FlagConstant [fc]))
 14897  	// result: (MOVDconst [b2i(fc.ne())])
 14898  	for {
 14899  		if v_0.Op != OpARM64FlagConstant {
 14900  			break
 14901  		}
 14902  		fc := auxIntToFlagConstant(v_0.AuxInt)
 14903  		v.reset(OpARM64MOVDconst)
 14904  		v.AuxInt = int64ToAuxInt(b2i(fc.ne()))
 14905  		return true
 14906  	}
 14907  	// match: (NotEqual (InvertFlags x))
 14908  	// result: (NotEqual x)
 14909  	for {
 14910  		if v_0.Op != OpARM64InvertFlags {
 14911  			break
 14912  		}
 14913  		x := v_0.Args[0]
 14914  		v.reset(OpARM64NotEqual)
 14915  		v.AddArg(x)
 14916  		return true
 14917  	}
 14918  	return false
 14919  }
 14920  func rewriteValueARM64_OpARM64OR(v *Value) bool {
 14921  	v_1 := v.Args[1]
 14922  	v_0 := v.Args[0]
 14923  	// match: (OR x (MOVDconst [c]))
 14924  	// result: (ORconst [c] x)
 14925  	for {
 14926  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14927  			x := v_0
 14928  			if v_1.Op != OpARM64MOVDconst {
 14929  				continue
 14930  			}
 14931  			c := auxIntToInt64(v_1.AuxInt)
 14932  			v.reset(OpARM64ORconst)
 14933  			v.AuxInt = int64ToAuxInt(c)
 14934  			v.AddArg(x)
 14935  			return true
 14936  		}
 14937  		break
 14938  	}
 14939  	// match: (OR x x)
 14940  	// result: x
 14941  	for {
 14942  		x := v_0
 14943  		if x != v_1 {
 14944  			break
 14945  		}
 14946  		v.copyOf(x)
 14947  		return true
 14948  	}
 14949  	// match: (OR x (MVN y))
 14950  	// result: (ORN x y)
 14951  	for {
 14952  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14953  			x := v_0
 14954  			if v_1.Op != OpARM64MVN {
 14955  				continue
 14956  			}
 14957  			y := v_1.Args[0]
 14958  			v.reset(OpARM64ORN)
 14959  			v.AddArg2(x, y)
 14960  			return true
 14961  		}
 14962  		break
 14963  	}
 14964  	// match: (OR x0 x1:(SLLconst [c] y))
 14965  	// cond: clobberIfDead(x1)
 14966  	// result: (ORshiftLL x0 y [c])
 14967  	for {
 14968  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14969  			x0 := v_0
 14970  			x1 := v_1
 14971  			if x1.Op != OpARM64SLLconst {
 14972  				continue
 14973  			}
 14974  			c := auxIntToInt64(x1.AuxInt)
 14975  			y := x1.Args[0]
 14976  			if !(clobberIfDead(x1)) {
 14977  				continue
 14978  			}
 14979  			v.reset(OpARM64ORshiftLL)
 14980  			v.AuxInt = int64ToAuxInt(c)
 14981  			v.AddArg2(x0, y)
 14982  			return true
 14983  		}
 14984  		break
 14985  	}
 14986  	// match: (OR x0 x1:(SRLconst [c] y))
 14987  	// cond: clobberIfDead(x1)
 14988  	// result: (ORshiftRL x0 y [c])
 14989  	for {
 14990  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14991  			x0 := v_0
 14992  			x1 := v_1
 14993  			if x1.Op != OpARM64SRLconst {
 14994  				continue
 14995  			}
 14996  			c := auxIntToInt64(x1.AuxInt)
 14997  			y := x1.Args[0]
 14998  			if !(clobberIfDead(x1)) {
 14999  				continue
 15000  			}
 15001  			v.reset(OpARM64ORshiftRL)
 15002  			v.AuxInt = int64ToAuxInt(c)
 15003  			v.AddArg2(x0, y)
 15004  			return true
 15005  		}
 15006  		break
 15007  	}
 15008  	// match: (OR x0 x1:(SRAconst [c] y))
 15009  	// cond: clobberIfDead(x1)
 15010  	// result: (ORshiftRA x0 y [c])
 15011  	for {
 15012  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15013  			x0 := v_0
 15014  			x1 := v_1
 15015  			if x1.Op != OpARM64SRAconst {
 15016  				continue
 15017  			}
 15018  			c := auxIntToInt64(x1.AuxInt)
 15019  			y := x1.Args[0]
 15020  			if !(clobberIfDead(x1)) {
 15021  				continue
 15022  			}
 15023  			v.reset(OpARM64ORshiftRA)
 15024  			v.AuxInt = int64ToAuxInt(c)
 15025  			v.AddArg2(x0, y)
 15026  			return true
 15027  		}
 15028  		break
 15029  	}
 15030  	// match: (OR x0 x1:(RORconst [c] y))
 15031  	// cond: clobberIfDead(x1)
 15032  	// result: (ORshiftRO x0 y [c])
 15033  	for {
 15034  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15035  			x0 := v_0
 15036  			x1 := v_1
 15037  			if x1.Op != OpARM64RORconst {
 15038  				continue
 15039  			}
 15040  			c := auxIntToInt64(x1.AuxInt)
 15041  			y := x1.Args[0]
 15042  			if !(clobberIfDead(x1)) {
 15043  				continue
 15044  			}
 15045  			v.reset(OpARM64ORshiftRO)
 15046  			v.AuxInt = int64ToAuxInt(c)
 15047  			v.AddArg2(x0, y)
 15048  			return true
 15049  		}
 15050  		break
 15051  	}
 15052  	// match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y))
 15053  	// cond: ac == ^((1<<uint(bfc.width())-1) << uint(bfc.lsb()))
 15054  	// result: (BFI [bfc] y x)
 15055  	for {
 15056  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15057  			if v_0.Op != OpARM64UBFIZ {
 15058  				continue
 15059  			}
 15060  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 15061  			x := v_0.Args[0]
 15062  			if v_1.Op != OpARM64ANDconst {
 15063  				continue
 15064  			}
 15065  			ac := auxIntToInt64(v_1.AuxInt)
 15066  			y := v_1.Args[0]
 15067  			if !(ac == ^((1<<uint(bfc.width()) - 1) << uint(bfc.lsb()))) {
 15068  				continue
 15069  			}
 15070  			v.reset(OpARM64BFI)
 15071  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15072  			v.AddArg2(y, x)
 15073  			return true
 15074  		}
 15075  		break
 15076  	}
 15077  	// match: (OR (UBFX [bfc] x) (ANDconst [ac] y))
 15078  	// cond: ac == ^(1<<uint(bfc.width())-1)
 15079  	// result: (BFXIL [bfc] y x)
 15080  	for {
 15081  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15082  			if v_0.Op != OpARM64UBFX {
 15083  				continue
 15084  			}
 15085  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 15086  			x := v_0.Args[0]
 15087  			if v_1.Op != OpARM64ANDconst {
 15088  				continue
 15089  			}
 15090  			ac := auxIntToInt64(v_1.AuxInt)
 15091  			y := v_1.Args[0]
 15092  			if !(ac == ^(1<<uint(bfc.width()) - 1)) {
 15093  				continue
 15094  			}
 15095  			v.reset(OpARM64BFXIL)
 15096  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15097  			v.AddArg2(y, x)
 15098  			return true
 15099  		}
 15100  		break
 15101  	}
 15102  	return false
 15103  }
 15104  func rewriteValueARM64_OpARM64ORN(v *Value) bool {
 15105  	v_1 := v.Args[1]
 15106  	v_0 := v.Args[0]
 15107  	// match: (ORN x (MOVDconst [c]))
 15108  	// result: (ORconst [^c] x)
 15109  	for {
 15110  		x := v_0
 15111  		if v_1.Op != OpARM64MOVDconst {
 15112  			break
 15113  		}
 15114  		c := auxIntToInt64(v_1.AuxInt)
 15115  		v.reset(OpARM64ORconst)
 15116  		v.AuxInt = int64ToAuxInt(^c)
 15117  		v.AddArg(x)
 15118  		return true
 15119  	}
 15120  	// match: (ORN x x)
 15121  	// result: (MOVDconst [-1])
 15122  	for {
 15123  		x := v_0
 15124  		if x != v_1 {
 15125  			break
 15126  		}
 15127  		v.reset(OpARM64MOVDconst)
 15128  		v.AuxInt = int64ToAuxInt(-1)
 15129  		return true
 15130  	}
 15131  	// match: (ORN x0 x1:(SLLconst [c] y))
 15132  	// cond: clobberIfDead(x1)
 15133  	// result: (ORNshiftLL x0 y [c])
 15134  	for {
 15135  		x0 := v_0
 15136  		x1 := v_1
 15137  		if x1.Op != OpARM64SLLconst {
 15138  			break
 15139  		}
 15140  		c := auxIntToInt64(x1.AuxInt)
 15141  		y := x1.Args[0]
 15142  		if !(clobberIfDead(x1)) {
 15143  			break
 15144  		}
 15145  		v.reset(OpARM64ORNshiftLL)
 15146  		v.AuxInt = int64ToAuxInt(c)
 15147  		v.AddArg2(x0, y)
 15148  		return true
 15149  	}
 15150  	// match: (ORN x0 x1:(SRLconst [c] y))
 15151  	// cond: clobberIfDead(x1)
 15152  	// result: (ORNshiftRL x0 y [c])
 15153  	for {
 15154  		x0 := v_0
 15155  		x1 := v_1
 15156  		if x1.Op != OpARM64SRLconst {
 15157  			break
 15158  		}
 15159  		c := auxIntToInt64(x1.AuxInt)
 15160  		y := x1.Args[0]
 15161  		if !(clobberIfDead(x1)) {
 15162  			break
 15163  		}
 15164  		v.reset(OpARM64ORNshiftRL)
 15165  		v.AuxInt = int64ToAuxInt(c)
 15166  		v.AddArg2(x0, y)
 15167  		return true
 15168  	}
 15169  	// match: (ORN x0 x1:(SRAconst [c] y))
 15170  	// cond: clobberIfDead(x1)
 15171  	// result: (ORNshiftRA x0 y [c])
 15172  	for {
 15173  		x0 := v_0
 15174  		x1 := v_1
 15175  		if x1.Op != OpARM64SRAconst {
 15176  			break
 15177  		}
 15178  		c := auxIntToInt64(x1.AuxInt)
 15179  		y := x1.Args[0]
 15180  		if !(clobberIfDead(x1)) {
 15181  			break
 15182  		}
 15183  		v.reset(OpARM64ORNshiftRA)
 15184  		v.AuxInt = int64ToAuxInt(c)
 15185  		v.AddArg2(x0, y)
 15186  		return true
 15187  	}
 15188  	// match: (ORN x0 x1:(RORconst [c] y))
 15189  	// cond: clobberIfDead(x1)
 15190  	// result: (ORNshiftRO x0 y [c])
 15191  	for {
 15192  		x0 := v_0
 15193  		x1 := v_1
 15194  		if x1.Op != OpARM64RORconst {
 15195  			break
 15196  		}
 15197  		c := auxIntToInt64(x1.AuxInt)
 15198  		y := x1.Args[0]
 15199  		if !(clobberIfDead(x1)) {
 15200  			break
 15201  		}
 15202  		v.reset(OpARM64ORNshiftRO)
 15203  		v.AuxInt = int64ToAuxInt(c)
 15204  		v.AddArg2(x0, y)
 15205  		return true
 15206  	}
 15207  	return false
 15208  }
 15209  func rewriteValueARM64_OpARM64ORNshiftLL(v *Value) bool {
 15210  	v_1 := v.Args[1]
 15211  	v_0 := v.Args[0]
 15212  	// match: (ORNshiftLL x (MOVDconst [c]) [d])
 15213  	// result: (ORconst x [^int64(uint64(c)<<uint64(d))])
 15214  	for {
 15215  		d := auxIntToInt64(v.AuxInt)
 15216  		x := v_0
 15217  		if v_1.Op != OpARM64MOVDconst {
 15218  			break
 15219  		}
 15220  		c := auxIntToInt64(v_1.AuxInt)
 15221  		v.reset(OpARM64ORconst)
 15222  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 15223  		v.AddArg(x)
 15224  		return true
 15225  	}
 15226  	// match: (ORNshiftLL (SLLconst x [c]) x [c])
 15227  	// result: (MOVDconst [-1])
 15228  	for {
 15229  		c := auxIntToInt64(v.AuxInt)
 15230  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 15231  			break
 15232  		}
 15233  		x := v_0.Args[0]
 15234  		if x != v_1 {
 15235  			break
 15236  		}
 15237  		v.reset(OpARM64MOVDconst)
 15238  		v.AuxInt = int64ToAuxInt(-1)
 15239  		return true
 15240  	}
 15241  	return false
 15242  }
 15243  func rewriteValueARM64_OpARM64ORNshiftRA(v *Value) bool {
 15244  	v_1 := v.Args[1]
 15245  	v_0 := v.Args[0]
 15246  	// match: (ORNshiftRA x (MOVDconst [c]) [d])
 15247  	// result: (ORconst x [^(c>>uint64(d))])
 15248  	for {
 15249  		d := auxIntToInt64(v.AuxInt)
 15250  		x := v_0
 15251  		if v_1.Op != OpARM64MOVDconst {
 15252  			break
 15253  		}
 15254  		c := auxIntToInt64(v_1.AuxInt)
 15255  		v.reset(OpARM64ORconst)
 15256  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 15257  		v.AddArg(x)
 15258  		return true
 15259  	}
 15260  	// match: (ORNshiftRA (SRAconst x [c]) x [c])
 15261  	// result: (MOVDconst [-1])
 15262  	for {
 15263  		c := auxIntToInt64(v.AuxInt)
 15264  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 15265  			break
 15266  		}
 15267  		x := v_0.Args[0]
 15268  		if x != v_1 {
 15269  			break
 15270  		}
 15271  		v.reset(OpARM64MOVDconst)
 15272  		v.AuxInt = int64ToAuxInt(-1)
 15273  		return true
 15274  	}
 15275  	return false
 15276  }
 15277  func rewriteValueARM64_OpARM64ORNshiftRL(v *Value) bool {
 15278  	v_1 := v.Args[1]
 15279  	v_0 := v.Args[0]
 15280  	// match: (ORNshiftRL x (MOVDconst [c]) [d])
 15281  	// result: (ORconst x [^int64(uint64(c)>>uint64(d))])
 15282  	for {
 15283  		d := auxIntToInt64(v.AuxInt)
 15284  		x := v_0
 15285  		if v_1.Op != OpARM64MOVDconst {
 15286  			break
 15287  		}
 15288  		c := auxIntToInt64(v_1.AuxInt)
 15289  		v.reset(OpARM64ORconst)
 15290  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 15291  		v.AddArg(x)
 15292  		return true
 15293  	}
 15294  	// match: (ORNshiftRL (SRLconst x [c]) x [c])
 15295  	// result: (MOVDconst [-1])
 15296  	for {
 15297  		c := auxIntToInt64(v.AuxInt)
 15298  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 15299  			break
 15300  		}
 15301  		x := v_0.Args[0]
 15302  		if x != v_1 {
 15303  			break
 15304  		}
 15305  		v.reset(OpARM64MOVDconst)
 15306  		v.AuxInt = int64ToAuxInt(-1)
 15307  		return true
 15308  	}
 15309  	return false
 15310  }
 15311  func rewriteValueARM64_OpARM64ORNshiftRO(v *Value) bool {
 15312  	v_1 := v.Args[1]
 15313  	v_0 := v.Args[0]
 15314  	// match: (ORNshiftRO x (MOVDconst [c]) [d])
 15315  	// result: (ORconst x [^rotateRight64(c, d)])
 15316  	for {
 15317  		d := auxIntToInt64(v.AuxInt)
 15318  		x := v_0
 15319  		if v_1.Op != OpARM64MOVDconst {
 15320  			break
 15321  		}
 15322  		c := auxIntToInt64(v_1.AuxInt)
 15323  		v.reset(OpARM64ORconst)
 15324  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 15325  		v.AddArg(x)
 15326  		return true
 15327  	}
 15328  	// match: (ORNshiftRO (RORconst x [c]) x [c])
 15329  	// result: (MOVDconst [-1])
 15330  	for {
 15331  		c := auxIntToInt64(v.AuxInt)
 15332  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 15333  			break
 15334  		}
 15335  		x := v_0.Args[0]
 15336  		if x != v_1 {
 15337  			break
 15338  		}
 15339  		v.reset(OpARM64MOVDconst)
 15340  		v.AuxInt = int64ToAuxInt(-1)
 15341  		return true
 15342  	}
 15343  	return false
 15344  }
 15345  func rewriteValueARM64_OpARM64ORconst(v *Value) bool {
 15346  	v_0 := v.Args[0]
 15347  	// match: (ORconst [0] x)
 15348  	// result: x
 15349  	for {
 15350  		if auxIntToInt64(v.AuxInt) != 0 {
 15351  			break
 15352  		}
 15353  		x := v_0
 15354  		v.copyOf(x)
 15355  		return true
 15356  	}
 15357  	// match: (ORconst [-1] _)
 15358  	// result: (MOVDconst [-1])
 15359  	for {
 15360  		if auxIntToInt64(v.AuxInt) != -1 {
 15361  			break
 15362  		}
 15363  		v.reset(OpARM64MOVDconst)
 15364  		v.AuxInt = int64ToAuxInt(-1)
 15365  		return true
 15366  	}
 15367  	// match: (ORconst [c] (MOVDconst [d]))
 15368  	// result: (MOVDconst [c|d])
 15369  	for {
 15370  		c := auxIntToInt64(v.AuxInt)
 15371  		if v_0.Op != OpARM64MOVDconst {
 15372  			break
 15373  		}
 15374  		d := auxIntToInt64(v_0.AuxInt)
 15375  		v.reset(OpARM64MOVDconst)
 15376  		v.AuxInt = int64ToAuxInt(c | d)
 15377  		return true
 15378  	}
 15379  	// match: (ORconst [c] (ORconst [d] x))
 15380  	// result: (ORconst [c|d] x)
 15381  	for {
 15382  		c := auxIntToInt64(v.AuxInt)
 15383  		if v_0.Op != OpARM64ORconst {
 15384  			break
 15385  		}
 15386  		d := auxIntToInt64(v_0.AuxInt)
 15387  		x := v_0.Args[0]
 15388  		v.reset(OpARM64ORconst)
 15389  		v.AuxInt = int64ToAuxInt(c | d)
 15390  		v.AddArg(x)
 15391  		return true
 15392  	}
 15393  	// match: (ORconst [c1] (ANDconst [c2] x))
 15394  	// cond: c2|c1 == ^0
 15395  	// result: (ORconst [c1] x)
 15396  	for {
 15397  		c1 := auxIntToInt64(v.AuxInt)
 15398  		if v_0.Op != OpARM64ANDconst {
 15399  			break
 15400  		}
 15401  		c2 := auxIntToInt64(v_0.AuxInt)
 15402  		x := v_0.Args[0]
 15403  		if !(c2|c1 == ^0) {
 15404  			break
 15405  		}
 15406  		v.reset(OpARM64ORconst)
 15407  		v.AuxInt = int64ToAuxInt(c1)
 15408  		v.AddArg(x)
 15409  		return true
 15410  	}
 15411  	return false
 15412  }
 15413  func rewriteValueARM64_OpARM64ORshiftLL(v *Value) bool {
 15414  	v_1 := v.Args[1]
 15415  	v_0 := v.Args[0]
 15416  	b := v.Block
 15417  	typ := &b.Func.Config.Types
 15418  	// match: (ORshiftLL (MOVDconst [c]) x [d])
 15419  	// result: (ORconst [c] (SLLconst <x.Type> x [d]))
 15420  	for {
 15421  		d := auxIntToInt64(v.AuxInt)
 15422  		if v_0.Op != OpARM64MOVDconst {
 15423  			break
 15424  		}
 15425  		c := auxIntToInt64(v_0.AuxInt)
 15426  		x := v_1
 15427  		v.reset(OpARM64ORconst)
 15428  		v.AuxInt = int64ToAuxInt(c)
 15429  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 15430  		v0.AuxInt = int64ToAuxInt(d)
 15431  		v0.AddArg(x)
 15432  		v.AddArg(v0)
 15433  		return true
 15434  	}
 15435  	// match: (ORshiftLL x (MOVDconst [c]) [d])
 15436  	// result: (ORconst x [int64(uint64(c)<<uint64(d))])
 15437  	for {
 15438  		d := auxIntToInt64(v.AuxInt)
 15439  		x := v_0
 15440  		if v_1.Op != OpARM64MOVDconst {
 15441  			break
 15442  		}
 15443  		c := auxIntToInt64(v_1.AuxInt)
 15444  		v.reset(OpARM64ORconst)
 15445  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 15446  		v.AddArg(x)
 15447  		return true
 15448  	}
 15449  	// match: (ORshiftLL y:(SLLconst x [c]) x [c])
 15450  	// result: y
 15451  	for {
 15452  		c := auxIntToInt64(v.AuxInt)
 15453  		y := v_0
 15454  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
 15455  			break
 15456  		}
 15457  		x := y.Args[0]
 15458  		if x != v_1 {
 15459  			break
 15460  		}
 15461  		v.copyOf(y)
 15462  		return true
 15463  	}
 15464  	// match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 15465  	// result: (REV16W x)
 15466  	for {
 15467  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 15468  			break
 15469  		}
 15470  		x := v_0.Args[0]
 15471  		if x != v_1 {
 15472  			break
 15473  		}
 15474  		v.reset(OpARM64REV16W)
 15475  		v.AddArg(x)
 15476  		return true
 15477  	}
 15478  	// match: (ORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 15479  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 15480  	// result: (REV16W x)
 15481  	for {
 15482  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 15483  			break
 15484  		}
 15485  		v_0_0 := v_0.Args[0]
 15486  		if v_0_0.Op != OpARM64ANDconst {
 15487  			break
 15488  		}
 15489  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15490  		x := v_0_0.Args[0]
 15491  		if v_1.Op != OpARM64ANDconst {
 15492  			break
 15493  		}
 15494  		c2 := auxIntToInt64(v_1.AuxInt)
 15495  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 15496  			break
 15497  		}
 15498  		v.reset(OpARM64REV16W)
 15499  		v.AddArg(x)
 15500  		return true
 15501  	}
 15502  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15503  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 15504  	// result: (REV16 x)
 15505  	for {
 15506  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15507  			break
 15508  		}
 15509  		v_0_0 := v_0.Args[0]
 15510  		if v_0_0.Op != OpARM64ANDconst {
 15511  			break
 15512  		}
 15513  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15514  		x := v_0_0.Args[0]
 15515  		if v_1.Op != OpARM64ANDconst {
 15516  			break
 15517  		}
 15518  		c2 := auxIntToInt64(v_1.AuxInt)
 15519  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 15520  			break
 15521  		}
 15522  		v.reset(OpARM64REV16)
 15523  		v.AddArg(x)
 15524  		return true
 15525  	}
 15526  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15527  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 15528  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 15529  	for {
 15530  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15531  			break
 15532  		}
 15533  		v_0_0 := v_0.Args[0]
 15534  		if v_0_0.Op != OpARM64ANDconst {
 15535  			break
 15536  		}
 15537  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15538  		x := v_0_0.Args[0]
 15539  		if v_1.Op != OpARM64ANDconst {
 15540  			break
 15541  		}
 15542  		c2 := auxIntToInt64(v_1.AuxInt)
 15543  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 15544  			break
 15545  		}
 15546  		v.reset(OpARM64REV16)
 15547  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 15548  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 15549  		v0.AddArg(x)
 15550  		v.AddArg(v0)
 15551  		return true
 15552  	}
 15553  	// match: ( ORshiftLL [c] (SRLconst x [64-c]) x2)
 15554  	// result: (EXTRconst [64-c] x2 x)
 15555  	for {
 15556  		c := auxIntToInt64(v.AuxInt)
 15557  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 15558  			break
 15559  		}
 15560  		x := v_0.Args[0]
 15561  		x2 := v_1
 15562  		v.reset(OpARM64EXTRconst)
 15563  		v.AuxInt = int64ToAuxInt(64 - c)
 15564  		v.AddArg2(x2, x)
 15565  		return true
 15566  	}
 15567  	// match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x2)
 15568  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 15569  	// result: (EXTRWconst [32-c] x2 x)
 15570  	for {
 15571  		t := v.Type
 15572  		c := auxIntToInt64(v.AuxInt)
 15573  		if v_0.Op != OpARM64UBFX {
 15574  			break
 15575  		}
 15576  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15577  		x := v_0.Args[0]
 15578  		x2 := v_1
 15579  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 15580  			break
 15581  		}
 15582  		v.reset(OpARM64EXTRWconst)
 15583  		v.AuxInt = int64ToAuxInt(32 - c)
 15584  		v.AddArg2(x2, x)
 15585  		return true
 15586  	}
 15587  	// match: (ORshiftLL [s] (ANDconst [xc] x) (ANDconst [yc] y))
 15588  	// cond: xc == ^(yc << s) && yc & (yc+1) == 0 && yc > 0 && s+log64(yc+1) <= 64
 15589  	// result: (BFI [armBFAuxInt(s, log64(yc+1))] x y)
 15590  	for {
 15591  		s := auxIntToInt64(v.AuxInt)
 15592  		if v_0.Op != OpARM64ANDconst {
 15593  			break
 15594  		}
 15595  		xc := auxIntToInt64(v_0.AuxInt)
 15596  		x := v_0.Args[0]
 15597  		if v_1.Op != OpARM64ANDconst {
 15598  			break
 15599  		}
 15600  		yc := auxIntToInt64(v_1.AuxInt)
 15601  		y := v_1.Args[0]
 15602  		if !(xc == ^(yc<<s) && yc&(yc+1) == 0 && yc > 0 && s+log64(yc+1) <= 64) {
 15603  			break
 15604  		}
 15605  		v.reset(OpARM64BFI)
 15606  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(s, log64(yc+1)))
 15607  		v.AddArg2(x, y)
 15608  		return true
 15609  	}
 15610  	// match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y))
 15611  	// cond: sc == bfc.width()
 15612  	// result: (BFXIL [bfc] y x)
 15613  	for {
 15614  		sc := auxIntToInt64(v.AuxInt)
 15615  		if v_0.Op != OpARM64UBFX {
 15616  			break
 15617  		}
 15618  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15619  		x := v_0.Args[0]
 15620  		if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != sc {
 15621  			break
 15622  		}
 15623  		y := v_1.Args[0]
 15624  		if !(sc == bfc.width()) {
 15625  			break
 15626  		}
 15627  		v.reset(OpARM64BFXIL)
 15628  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15629  		v.AddArg2(y, x)
 15630  		return true
 15631  	}
 15632  	return false
 15633  }
 15634  func rewriteValueARM64_OpARM64ORshiftRA(v *Value) bool {
 15635  	v_1 := v.Args[1]
 15636  	v_0 := v.Args[0]
 15637  	b := v.Block
 15638  	// match: (ORshiftRA (MOVDconst [c]) x [d])
 15639  	// result: (ORconst [c] (SRAconst <x.Type> x [d]))
 15640  	for {
 15641  		d := auxIntToInt64(v.AuxInt)
 15642  		if v_0.Op != OpARM64MOVDconst {
 15643  			break
 15644  		}
 15645  		c := auxIntToInt64(v_0.AuxInt)
 15646  		x := v_1
 15647  		v.reset(OpARM64ORconst)
 15648  		v.AuxInt = int64ToAuxInt(c)
 15649  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 15650  		v0.AuxInt = int64ToAuxInt(d)
 15651  		v0.AddArg(x)
 15652  		v.AddArg(v0)
 15653  		return true
 15654  	}
 15655  	// match: (ORshiftRA x (MOVDconst [c]) [d])
 15656  	// result: (ORconst x [c>>uint64(d)])
 15657  	for {
 15658  		d := auxIntToInt64(v.AuxInt)
 15659  		x := v_0
 15660  		if v_1.Op != OpARM64MOVDconst {
 15661  			break
 15662  		}
 15663  		c := auxIntToInt64(v_1.AuxInt)
 15664  		v.reset(OpARM64ORconst)
 15665  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 15666  		v.AddArg(x)
 15667  		return true
 15668  	}
 15669  	// match: (ORshiftRA y:(SRAconst x [c]) x [c])
 15670  	// result: y
 15671  	for {
 15672  		c := auxIntToInt64(v.AuxInt)
 15673  		y := v_0
 15674  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
 15675  			break
 15676  		}
 15677  		x := y.Args[0]
 15678  		if x != v_1 {
 15679  			break
 15680  		}
 15681  		v.copyOf(y)
 15682  		return true
 15683  	}
 15684  	return false
 15685  }
 15686  func rewriteValueARM64_OpARM64ORshiftRL(v *Value) bool {
 15687  	v_1 := v.Args[1]
 15688  	v_0 := v.Args[0]
 15689  	b := v.Block
 15690  	// match: (ORshiftRL (MOVDconst [c]) x [d])
 15691  	// result: (ORconst [c] (SRLconst <x.Type> x [d]))
 15692  	for {
 15693  		d := auxIntToInt64(v.AuxInt)
 15694  		if v_0.Op != OpARM64MOVDconst {
 15695  			break
 15696  		}
 15697  		c := auxIntToInt64(v_0.AuxInt)
 15698  		x := v_1
 15699  		v.reset(OpARM64ORconst)
 15700  		v.AuxInt = int64ToAuxInt(c)
 15701  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 15702  		v0.AuxInt = int64ToAuxInt(d)
 15703  		v0.AddArg(x)
 15704  		v.AddArg(v0)
 15705  		return true
 15706  	}
 15707  	// match: (ORshiftRL x (MOVDconst [c]) [d])
 15708  	// result: (ORconst x [int64(uint64(c)>>uint64(d))])
 15709  	for {
 15710  		d := auxIntToInt64(v.AuxInt)
 15711  		x := v_0
 15712  		if v_1.Op != OpARM64MOVDconst {
 15713  			break
 15714  		}
 15715  		c := auxIntToInt64(v_1.AuxInt)
 15716  		v.reset(OpARM64ORconst)
 15717  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 15718  		v.AddArg(x)
 15719  		return true
 15720  	}
 15721  	// match: (ORshiftRL y:(SRLconst x [c]) x [c])
 15722  	// result: y
 15723  	for {
 15724  		c := auxIntToInt64(v.AuxInt)
 15725  		y := v_0
 15726  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
 15727  			break
 15728  		}
 15729  		x := y.Args[0]
 15730  		if x != v_1 {
 15731  			break
 15732  		}
 15733  		v.copyOf(y)
 15734  		return true
 15735  	}
 15736  	// match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y))
 15737  	// cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc))
 15738  	// result: (BFI [armBFAuxInt(lc-rc, 64-lc)] x y)
 15739  	for {
 15740  		rc := auxIntToInt64(v.AuxInt)
 15741  		if v_0.Op != OpARM64ANDconst {
 15742  			break
 15743  		}
 15744  		ac := auxIntToInt64(v_0.AuxInt)
 15745  		x := v_0.Args[0]
 15746  		if v_1.Op != OpARM64SLLconst {
 15747  			break
 15748  		}
 15749  		lc := auxIntToInt64(v_1.AuxInt)
 15750  		y := v_1.Args[0]
 15751  		if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) {
 15752  			break
 15753  		}
 15754  		v.reset(OpARM64BFI)
 15755  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15756  		v.AddArg2(x, y)
 15757  		return true
 15758  	}
 15759  	// match: (ORshiftRL [rc] (ANDconst [ac] y) (SLLconst [lc] x))
 15760  	// cond: lc < rc && ac == ^((1<<uint(64-rc)-1))
 15761  	// result: (BFXIL [armBFAuxInt(rc-lc, 64-rc)] y x)
 15762  	for {
 15763  		rc := auxIntToInt64(v.AuxInt)
 15764  		if v_0.Op != OpARM64ANDconst {
 15765  			break
 15766  		}
 15767  		ac := auxIntToInt64(v_0.AuxInt)
 15768  		y := v_0.Args[0]
 15769  		if v_1.Op != OpARM64SLLconst {
 15770  			break
 15771  		}
 15772  		lc := auxIntToInt64(v_1.AuxInt)
 15773  		x := v_1.Args[0]
 15774  		if !(lc < rc && ac == ^(1<<uint(64-rc)-1)) {
 15775  			break
 15776  		}
 15777  		v.reset(OpARM64BFXIL)
 15778  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 15779  		v.AddArg2(y, x)
 15780  		return true
 15781  	}
 15782  	return false
 15783  }
 15784  func rewriteValueARM64_OpARM64ORshiftRO(v *Value) bool {
 15785  	v_1 := v.Args[1]
 15786  	v_0 := v.Args[0]
 15787  	b := v.Block
 15788  	// match: (ORshiftRO (MOVDconst [c]) x [d])
 15789  	// result: (ORconst [c] (RORconst <x.Type> x [d]))
 15790  	for {
 15791  		d := auxIntToInt64(v.AuxInt)
 15792  		if v_0.Op != OpARM64MOVDconst {
 15793  			break
 15794  		}
 15795  		c := auxIntToInt64(v_0.AuxInt)
 15796  		x := v_1
 15797  		v.reset(OpARM64ORconst)
 15798  		v.AuxInt = int64ToAuxInt(c)
 15799  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 15800  		v0.AuxInt = int64ToAuxInt(d)
 15801  		v0.AddArg(x)
 15802  		v.AddArg(v0)
 15803  		return true
 15804  	}
 15805  	// match: (ORshiftRO x (MOVDconst [c]) [d])
 15806  	// result: (ORconst x [rotateRight64(c, d)])
 15807  	for {
 15808  		d := auxIntToInt64(v.AuxInt)
 15809  		x := v_0
 15810  		if v_1.Op != OpARM64MOVDconst {
 15811  			break
 15812  		}
 15813  		c := auxIntToInt64(v_1.AuxInt)
 15814  		v.reset(OpARM64ORconst)
 15815  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 15816  		v.AddArg(x)
 15817  		return true
 15818  	}
 15819  	// match: (ORshiftRO y:(RORconst x [c]) x [c])
 15820  	// result: y
 15821  	for {
 15822  		c := auxIntToInt64(v.AuxInt)
 15823  		y := v_0
 15824  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
 15825  			break
 15826  		}
 15827  		x := y.Args[0]
 15828  		if x != v_1 {
 15829  			break
 15830  		}
 15831  		v.copyOf(y)
 15832  		return true
 15833  	}
 15834  	return false
 15835  }
 15836  func rewriteValueARM64_OpARM64REV(v *Value) bool {
 15837  	v_0 := v.Args[0]
 15838  	// match: (REV (REV p))
 15839  	// result: p
 15840  	for {
 15841  		if v_0.Op != OpARM64REV {
 15842  			break
 15843  		}
 15844  		p := v_0.Args[0]
 15845  		v.copyOf(p)
 15846  		return true
 15847  	}
 15848  	return false
 15849  }
 15850  func rewriteValueARM64_OpARM64REV16(v *Value) bool {
 15851  	v_0 := v.Args[0]
 15852  	// match: (REV16 (MOVWUreg x))
 15853  	// result: (REV16W x)
 15854  	for {
 15855  		if v_0.Op != OpARM64MOVWUreg {
 15856  			break
 15857  		}
 15858  		x := v_0.Args[0]
 15859  		v.reset(OpARM64REV16W)
 15860  		v.AddArg(x)
 15861  		return true
 15862  	}
 15863  	return false
 15864  }
 15865  func rewriteValueARM64_OpARM64REVW(v *Value) bool {
 15866  	v_0 := v.Args[0]
 15867  	// match: (REVW (REVW p))
 15868  	// result: p
 15869  	for {
 15870  		if v_0.Op != OpARM64REVW {
 15871  			break
 15872  		}
 15873  		p := v_0.Args[0]
 15874  		v.copyOf(p)
 15875  		return true
 15876  	}
 15877  	return false
 15878  }
 15879  func rewriteValueARM64_OpARM64ROR(v *Value) bool {
 15880  	v_1 := v.Args[1]
 15881  	v_0 := v.Args[0]
 15882  	// match: (ROR x (MOVDconst [c]))
 15883  	// result: (RORconst x [c&63])
 15884  	for {
 15885  		x := v_0
 15886  		if v_1.Op != OpARM64MOVDconst {
 15887  			break
 15888  		}
 15889  		c := auxIntToInt64(v_1.AuxInt)
 15890  		v.reset(OpARM64RORconst)
 15891  		v.AuxInt = int64ToAuxInt(c & 63)
 15892  		v.AddArg(x)
 15893  		return true
 15894  	}
 15895  	return false
 15896  }
 15897  func rewriteValueARM64_OpARM64RORW(v *Value) bool {
 15898  	v_1 := v.Args[1]
 15899  	v_0 := v.Args[0]
 15900  	// match: (RORW x (MOVDconst [c]))
 15901  	// result: (RORWconst x [c&31])
 15902  	for {
 15903  		x := v_0
 15904  		if v_1.Op != OpARM64MOVDconst {
 15905  			break
 15906  		}
 15907  		c := auxIntToInt64(v_1.AuxInt)
 15908  		v.reset(OpARM64RORWconst)
 15909  		v.AuxInt = int64ToAuxInt(c & 31)
 15910  		v.AddArg(x)
 15911  		return true
 15912  	}
 15913  	return false
 15914  }
 15915  func rewriteValueARM64_OpARM64SBCSflags(v *Value) bool {
 15916  	v_2 := v.Args[2]
 15917  	v_1 := v.Args[1]
 15918  	v_0 := v.Args[0]
 15919  	b := v.Block
 15920  	typ := &b.Func.Config.Types
 15921  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> bo)))))
 15922  	// result: (SBCSflags x y bo)
 15923  	for {
 15924  		x := v_0
 15925  		y := v_1
 15926  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15927  			break
 15928  		}
 15929  		v_2_0 := v_2.Args[0]
 15930  		if v_2_0.Op != OpARM64NEGSflags {
 15931  			break
 15932  		}
 15933  		v_2_0_0 := v_2_0.Args[0]
 15934  		if v_2_0_0.Op != OpARM64NEG || v_2_0_0.Type != typ.UInt64 {
 15935  			break
 15936  		}
 15937  		v_2_0_0_0 := v_2_0_0.Args[0]
 15938  		if v_2_0_0_0.Op != OpARM64NGCzerocarry || v_2_0_0_0.Type != typ.UInt64 {
 15939  			break
 15940  		}
 15941  		bo := v_2_0_0_0.Args[0]
 15942  		v.reset(OpARM64SBCSflags)
 15943  		v.AddArg3(x, y, bo)
 15944  		return true
 15945  	}
 15946  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (MOVDconst [0]))))
 15947  	// result: (SUBSflags x y)
 15948  	for {
 15949  		x := v_0
 15950  		y := v_1
 15951  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15952  			break
 15953  		}
 15954  		v_2_0 := v_2.Args[0]
 15955  		if v_2_0.Op != OpARM64NEGSflags {
 15956  			break
 15957  		}
 15958  		v_2_0_0 := v_2_0.Args[0]
 15959  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
 15960  			break
 15961  		}
 15962  		v.reset(OpARM64SUBSflags)
 15963  		v.AddArg2(x, y)
 15964  		return true
 15965  	}
 15966  	return false
 15967  }
 15968  func rewriteValueARM64_OpARM64SBFX(v *Value) bool {
 15969  	v_0 := v.Args[0]
 15970  	// match: (SBFX [bfc] s:(SLLconst [sc] x))
 15971  	// cond: s.Uses == 1 && sc <= bfc.lsb()
 15972  	// result: (SBFX [armBFAuxInt(bfc.lsb() - sc, bfc.width())] x)
 15973  	for {
 15974  		bfc := auxIntToArm64BitField(v.AuxInt)
 15975  		s := v_0
 15976  		if s.Op != OpARM64SLLconst {
 15977  			break
 15978  		}
 15979  		sc := auxIntToInt64(s.AuxInt)
 15980  		x := s.Args[0]
 15981  		if !(s.Uses == 1 && sc <= bfc.lsb()) {
 15982  			break
 15983  		}
 15984  		v.reset(OpARM64SBFX)
 15985  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 15986  		v.AddArg(x)
 15987  		return true
 15988  	}
 15989  	// match: (SBFX [bfc] s:(SLLconst [sc] x))
 15990  	// cond: s.Uses == 1 && sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()
 15991  	// result: (SBFIZ [armBFAuxInt(sc - bfc.lsb(), bfc.width() - (sc-bfc.lsb()))] x)
 15992  	for {
 15993  		bfc := auxIntToArm64BitField(v.AuxInt)
 15994  		s := v_0
 15995  		if s.Op != OpARM64SLLconst {
 15996  			break
 15997  		}
 15998  		sc := auxIntToInt64(s.AuxInt)
 15999  		x := s.Args[0]
 16000  		if !(s.Uses == 1 && sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 16001  			break
 16002  		}
 16003  		v.reset(OpARM64SBFIZ)
 16004  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.width()-(sc-bfc.lsb())))
 16005  		v.AddArg(x)
 16006  		return true
 16007  	}
 16008  	return false
 16009  }
 16010  func rewriteValueARM64_OpARM64SLL(v *Value) bool {
 16011  	v_1 := v.Args[1]
 16012  	v_0 := v.Args[0]
 16013  	// match: (SLL x (MOVDconst [c]))
 16014  	// result: (SLLconst x [c&63])
 16015  	for {
 16016  		x := v_0
 16017  		if v_1.Op != OpARM64MOVDconst {
 16018  			break
 16019  		}
 16020  		c := auxIntToInt64(v_1.AuxInt)
 16021  		v.reset(OpARM64SLLconst)
 16022  		v.AuxInt = int64ToAuxInt(c & 63)
 16023  		v.AddArg(x)
 16024  		return true
 16025  	}
 16026  	// match: (SLL x (ANDconst [63] y))
 16027  	// result: (SLL x y)
 16028  	for {
 16029  		x := v_0
 16030  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16031  			break
 16032  		}
 16033  		y := v_1.Args[0]
 16034  		v.reset(OpARM64SLL)
 16035  		v.AddArg2(x, y)
 16036  		return true
 16037  	}
 16038  	return false
 16039  }
 16040  func rewriteValueARM64_OpARM64SLLconst(v *Value) bool {
 16041  	v_0 := v.Args[0]
 16042  	// match: (SLLconst [c] (MOVDconst [d]))
 16043  	// result: (MOVDconst [d<<uint64(c)])
 16044  	for {
 16045  		c := auxIntToInt64(v.AuxInt)
 16046  		if v_0.Op != OpARM64MOVDconst {
 16047  			break
 16048  		}
 16049  		d := auxIntToInt64(v_0.AuxInt)
 16050  		v.reset(OpARM64MOVDconst)
 16051  		v.AuxInt = int64ToAuxInt(d << uint64(c))
 16052  		return true
 16053  	}
 16054  	// match: (SLLconst [c] (SRLconst [c] x))
 16055  	// cond: 0 < c && c < 64
 16056  	// result: (ANDconst [^(1<<uint(c)-1)] x)
 16057  	for {
 16058  		c := auxIntToInt64(v.AuxInt)
 16059  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 16060  			break
 16061  		}
 16062  		x := v_0.Args[0]
 16063  		if !(0 < c && c < 64) {
 16064  			break
 16065  		}
 16066  		v.reset(OpARM64ANDconst)
 16067  		v.AuxInt = int64ToAuxInt(^(1<<uint(c) - 1))
 16068  		v.AddArg(x)
 16069  		return true
 16070  	}
 16071  	// match: (SLLconst [lc] (MOVWreg x))
 16072  	// result: (SBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 16073  	for {
 16074  		lc := auxIntToInt64(v.AuxInt)
 16075  		if v_0.Op != OpARM64MOVWreg {
 16076  			break
 16077  		}
 16078  		x := v_0.Args[0]
 16079  		v.reset(OpARM64SBFIZ)
 16080  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 16081  		v.AddArg(x)
 16082  		return true
 16083  	}
 16084  	// match: (SLLconst [lc] (MOVHreg x))
 16085  	// result: (SBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 16086  	for {
 16087  		lc := auxIntToInt64(v.AuxInt)
 16088  		if v_0.Op != OpARM64MOVHreg {
 16089  			break
 16090  		}
 16091  		x := v_0.Args[0]
 16092  		v.reset(OpARM64SBFIZ)
 16093  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 16094  		v.AddArg(x)
 16095  		return true
 16096  	}
 16097  	// match: (SLLconst [lc] (MOVBreg x))
 16098  	// result: (SBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 16099  	for {
 16100  		lc := auxIntToInt64(v.AuxInt)
 16101  		if v_0.Op != OpARM64MOVBreg {
 16102  			break
 16103  		}
 16104  		x := v_0.Args[0]
 16105  		v.reset(OpARM64SBFIZ)
 16106  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 16107  		v.AddArg(x)
 16108  		return true
 16109  	}
 16110  	// match: (SLLconst [lc] (MOVWUreg x))
 16111  	// result: (UBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 16112  	for {
 16113  		lc := auxIntToInt64(v.AuxInt)
 16114  		if v_0.Op != OpARM64MOVWUreg {
 16115  			break
 16116  		}
 16117  		x := v_0.Args[0]
 16118  		v.reset(OpARM64UBFIZ)
 16119  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 16120  		v.AddArg(x)
 16121  		return true
 16122  	}
 16123  	// match: (SLLconst [lc] (MOVHUreg x))
 16124  	// result: (UBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 16125  	for {
 16126  		lc := auxIntToInt64(v.AuxInt)
 16127  		if v_0.Op != OpARM64MOVHUreg {
 16128  			break
 16129  		}
 16130  		x := v_0.Args[0]
 16131  		v.reset(OpARM64UBFIZ)
 16132  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 16133  		v.AddArg(x)
 16134  		return true
 16135  	}
 16136  	// match: (SLLconst [lc] (MOVBUreg x))
 16137  	// result: (UBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 16138  	for {
 16139  		lc := auxIntToInt64(v.AuxInt)
 16140  		if v_0.Op != OpARM64MOVBUreg {
 16141  			break
 16142  		}
 16143  		x := v_0.Args[0]
 16144  		v.reset(OpARM64UBFIZ)
 16145  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 16146  		v.AddArg(x)
 16147  		return true
 16148  	}
 16149  	// match: (SLLconst [sc] (ANDconst [ac] x))
 16150  	// cond: isARM64BFMask(sc, ac, 0)
 16151  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
 16152  	for {
 16153  		sc := auxIntToInt64(v.AuxInt)
 16154  		if v_0.Op != OpARM64ANDconst {
 16155  			break
 16156  		}
 16157  		ac := auxIntToInt64(v_0.AuxInt)
 16158  		x := v_0.Args[0]
 16159  		if !(isARM64BFMask(sc, ac, 0)) {
 16160  			break
 16161  		}
 16162  		v.reset(OpARM64UBFIZ)
 16163  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
 16164  		v.AddArg(x)
 16165  		return true
 16166  	}
 16167  	// match: (SLLconst [sc] (UBFIZ [bfc] x))
 16168  	// cond: sc+bfc.width()+bfc.lsb() < 64
 16169  	// result: (UBFIZ [armBFAuxInt(bfc.lsb()+sc, bfc.width())] x)
 16170  	for {
 16171  		sc := auxIntToInt64(v.AuxInt)
 16172  		if v_0.Op != OpARM64UBFIZ {
 16173  			break
 16174  		}
 16175  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16176  		x := v_0.Args[0]
 16177  		if !(sc+bfc.width()+bfc.lsb() < 64) {
 16178  			break
 16179  		}
 16180  		v.reset(OpARM64UBFIZ)
 16181  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()))
 16182  		v.AddArg(x)
 16183  		return true
 16184  	}
 16185  	return false
 16186  }
 16187  func rewriteValueARM64_OpARM64SRA(v *Value) bool {
 16188  	v_1 := v.Args[1]
 16189  	v_0 := v.Args[0]
 16190  	// match: (SRA x (MOVDconst [c]))
 16191  	// result: (SRAconst x [c&63])
 16192  	for {
 16193  		x := v_0
 16194  		if v_1.Op != OpARM64MOVDconst {
 16195  			break
 16196  		}
 16197  		c := auxIntToInt64(v_1.AuxInt)
 16198  		v.reset(OpARM64SRAconst)
 16199  		v.AuxInt = int64ToAuxInt(c & 63)
 16200  		v.AddArg(x)
 16201  		return true
 16202  	}
 16203  	// match: (SRA x (ANDconst [63] y))
 16204  	// result: (SRA x y)
 16205  	for {
 16206  		x := v_0
 16207  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16208  			break
 16209  		}
 16210  		y := v_1.Args[0]
 16211  		v.reset(OpARM64SRA)
 16212  		v.AddArg2(x, y)
 16213  		return true
 16214  	}
 16215  	return false
 16216  }
 16217  func rewriteValueARM64_OpARM64SRAconst(v *Value) bool {
 16218  	v_0 := v.Args[0]
 16219  	// match: (SRAconst [c] (MOVDconst [d]))
 16220  	// result: (MOVDconst [d>>uint64(c)])
 16221  	for {
 16222  		c := auxIntToInt64(v.AuxInt)
 16223  		if v_0.Op != OpARM64MOVDconst {
 16224  			break
 16225  		}
 16226  		d := auxIntToInt64(v_0.AuxInt)
 16227  		v.reset(OpARM64MOVDconst)
 16228  		v.AuxInt = int64ToAuxInt(d >> uint64(c))
 16229  		return true
 16230  	}
 16231  	// match: (SRAconst [rc] (SLLconst [lc] x))
 16232  	// cond: lc > rc
 16233  	// result: (SBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16234  	for {
 16235  		rc := auxIntToInt64(v.AuxInt)
 16236  		if v_0.Op != OpARM64SLLconst {
 16237  			break
 16238  		}
 16239  		lc := auxIntToInt64(v_0.AuxInt)
 16240  		x := v_0.Args[0]
 16241  		if !(lc > rc) {
 16242  			break
 16243  		}
 16244  		v.reset(OpARM64SBFIZ)
 16245  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16246  		v.AddArg(x)
 16247  		return true
 16248  	}
 16249  	// match: (SRAconst [rc] (SLLconst [lc] x))
 16250  	// cond: lc <= rc
 16251  	// result: (SBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16252  	for {
 16253  		rc := auxIntToInt64(v.AuxInt)
 16254  		if v_0.Op != OpARM64SLLconst {
 16255  			break
 16256  		}
 16257  		lc := auxIntToInt64(v_0.AuxInt)
 16258  		x := v_0.Args[0]
 16259  		if !(lc <= rc) {
 16260  			break
 16261  		}
 16262  		v.reset(OpARM64SBFX)
 16263  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16264  		v.AddArg(x)
 16265  		return true
 16266  	}
 16267  	// match: (SRAconst [rc] (MOVWreg x))
 16268  	// cond: rc < 32
 16269  	// result: (SBFX [armBFAuxInt(rc, 32-rc)] x)
 16270  	for {
 16271  		rc := auxIntToInt64(v.AuxInt)
 16272  		if v_0.Op != OpARM64MOVWreg {
 16273  			break
 16274  		}
 16275  		x := v_0.Args[0]
 16276  		if !(rc < 32) {
 16277  			break
 16278  		}
 16279  		v.reset(OpARM64SBFX)
 16280  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16281  		v.AddArg(x)
 16282  		return true
 16283  	}
 16284  	// match: (SRAconst [rc] (MOVHreg x))
 16285  	// cond: rc < 16
 16286  	// result: (SBFX [armBFAuxInt(rc, 16-rc)] x)
 16287  	for {
 16288  		rc := auxIntToInt64(v.AuxInt)
 16289  		if v_0.Op != OpARM64MOVHreg {
 16290  			break
 16291  		}
 16292  		x := v_0.Args[0]
 16293  		if !(rc < 16) {
 16294  			break
 16295  		}
 16296  		v.reset(OpARM64SBFX)
 16297  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16298  		v.AddArg(x)
 16299  		return true
 16300  	}
 16301  	// match: (SRAconst [rc] (MOVBreg x))
 16302  	// cond: rc < 8
 16303  	// result: (SBFX [armBFAuxInt(rc, 8-rc)] x)
 16304  	for {
 16305  		rc := auxIntToInt64(v.AuxInt)
 16306  		if v_0.Op != OpARM64MOVBreg {
 16307  			break
 16308  		}
 16309  		x := v_0.Args[0]
 16310  		if !(rc < 8) {
 16311  			break
 16312  		}
 16313  		v.reset(OpARM64SBFX)
 16314  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16315  		v.AddArg(x)
 16316  		return true
 16317  	}
 16318  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 16319  	// cond: sc < bfc.lsb()
 16320  	// result: (SBFIZ [armBFAuxInt(bfc.lsb()-sc, bfc.width())] x)
 16321  	for {
 16322  		sc := auxIntToInt64(v.AuxInt)
 16323  		if v_0.Op != OpARM64SBFIZ {
 16324  			break
 16325  		}
 16326  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16327  		x := v_0.Args[0]
 16328  		if !(sc < bfc.lsb()) {
 16329  			break
 16330  		}
 16331  		v.reset(OpARM64SBFIZ)
 16332  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 16333  		v.AddArg(x)
 16334  		return true
 16335  	}
 16336  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 16337  	// cond: sc >= bfc.lsb() && sc < bfc.lsb()+bfc.width()
 16338  	// result: (SBFX [armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc)] x)
 16339  	for {
 16340  		sc := auxIntToInt64(v.AuxInt)
 16341  		if v_0.Op != OpARM64SBFIZ {
 16342  			break
 16343  		}
 16344  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16345  		x := v_0.Args[0]
 16346  		if !(sc >= bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 16347  			break
 16348  		}
 16349  		v.reset(OpARM64SBFX)
 16350  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc))
 16351  		v.AddArg(x)
 16352  		return true
 16353  	}
 16354  	return false
 16355  }
 16356  func rewriteValueARM64_OpARM64SRL(v *Value) bool {
 16357  	v_1 := v.Args[1]
 16358  	v_0 := v.Args[0]
 16359  	// match: (SRL x (MOVDconst [c]))
 16360  	// result: (SRLconst x [c&63])
 16361  	for {
 16362  		x := v_0
 16363  		if v_1.Op != OpARM64MOVDconst {
 16364  			break
 16365  		}
 16366  		c := auxIntToInt64(v_1.AuxInt)
 16367  		v.reset(OpARM64SRLconst)
 16368  		v.AuxInt = int64ToAuxInt(c & 63)
 16369  		v.AddArg(x)
 16370  		return true
 16371  	}
 16372  	// match: (SRL x (ANDconst [63] y))
 16373  	// result: (SRL x y)
 16374  	for {
 16375  		x := v_0
 16376  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16377  			break
 16378  		}
 16379  		y := v_1.Args[0]
 16380  		v.reset(OpARM64SRL)
 16381  		v.AddArg2(x, y)
 16382  		return true
 16383  	}
 16384  	return false
 16385  }
 16386  func rewriteValueARM64_OpARM64SRLconst(v *Value) bool {
 16387  	v_0 := v.Args[0]
 16388  	// match: (SRLconst [c] (MOVDconst [d]))
 16389  	// result: (MOVDconst [int64(uint64(d)>>uint64(c))])
 16390  	for {
 16391  		c := auxIntToInt64(v.AuxInt)
 16392  		if v_0.Op != OpARM64MOVDconst {
 16393  			break
 16394  		}
 16395  		d := auxIntToInt64(v_0.AuxInt)
 16396  		v.reset(OpARM64MOVDconst)
 16397  		v.AuxInt = int64ToAuxInt(int64(uint64(d) >> uint64(c)))
 16398  		return true
 16399  	}
 16400  	// match: (SRLconst [c] (SLLconst [c] x))
 16401  	// cond: 0 < c && c < 64
 16402  	// result: (ANDconst [1<<uint(64-c)-1] x)
 16403  	for {
 16404  		c := auxIntToInt64(v.AuxInt)
 16405  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 16406  			break
 16407  		}
 16408  		x := v_0.Args[0]
 16409  		if !(0 < c && c < 64) {
 16410  			break
 16411  		}
 16412  		v.reset(OpARM64ANDconst)
 16413  		v.AuxInt = int64ToAuxInt(1<<uint(64-c) - 1)
 16414  		v.AddArg(x)
 16415  		return true
 16416  	}
 16417  	// match: (SRLconst [rc] (MOVWUreg x))
 16418  	// cond: rc >= 32
 16419  	// result: (MOVDconst [0])
 16420  	for {
 16421  		rc := auxIntToInt64(v.AuxInt)
 16422  		if v_0.Op != OpARM64MOVWUreg {
 16423  			break
 16424  		}
 16425  		if !(rc >= 32) {
 16426  			break
 16427  		}
 16428  		v.reset(OpARM64MOVDconst)
 16429  		v.AuxInt = int64ToAuxInt(0)
 16430  		return true
 16431  	}
 16432  	// match: (SRLconst [rc] (MOVHUreg x))
 16433  	// cond: rc >= 16
 16434  	// result: (MOVDconst [0])
 16435  	for {
 16436  		rc := auxIntToInt64(v.AuxInt)
 16437  		if v_0.Op != OpARM64MOVHUreg {
 16438  			break
 16439  		}
 16440  		if !(rc >= 16) {
 16441  			break
 16442  		}
 16443  		v.reset(OpARM64MOVDconst)
 16444  		v.AuxInt = int64ToAuxInt(0)
 16445  		return true
 16446  	}
 16447  	// match: (SRLconst [rc] (MOVBUreg x))
 16448  	// cond: rc >= 8
 16449  	// result: (MOVDconst [0])
 16450  	for {
 16451  		rc := auxIntToInt64(v.AuxInt)
 16452  		if v_0.Op != OpARM64MOVBUreg {
 16453  			break
 16454  		}
 16455  		if !(rc >= 8) {
 16456  			break
 16457  		}
 16458  		v.reset(OpARM64MOVDconst)
 16459  		v.AuxInt = int64ToAuxInt(0)
 16460  		return true
 16461  	}
 16462  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16463  	// cond: lc > rc
 16464  	// result: (UBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16465  	for {
 16466  		rc := auxIntToInt64(v.AuxInt)
 16467  		if v_0.Op != OpARM64SLLconst {
 16468  			break
 16469  		}
 16470  		lc := auxIntToInt64(v_0.AuxInt)
 16471  		x := v_0.Args[0]
 16472  		if !(lc > rc) {
 16473  			break
 16474  		}
 16475  		v.reset(OpARM64UBFIZ)
 16476  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16477  		v.AddArg(x)
 16478  		return true
 16479  	}
 16480  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16481  	// cond: lc < rc
 16482  	// result: (UBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16483  	for {
 16484  		rc := auxIntToInt64(v.AuxInt)
 16485  		if v_0.Op != OpARM64SLLconst {
 16486  			break
 16487  		}
 16488  		lc := auxIntToInt64(v_0.AuxInt)
 16489  		x := v_0.Args[0]
 16490  		if !(lc < rc) {
 16491  			break
 16492  		}
 16493  		v.reset(OpARM64UBFX)
 16494  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16495  		v.AddArg(x)
 16496  		return true
 16497  	}
 16498  	// match: (SRLconst [rc] (MOVWUreg x))
 16499  	// cond: rc < 32
 16500  	// result: (UBFX [armBFAuxInt(rc, 32-rc)] x)
 16501  	for {
 16502  		rc := auxIntToInt64(v.AuxInt)
 16503  		if v_0.Op != OpARM64MOVWUreg {
 16504  			break
 16505  		}
 16506  		x := v_0.Args[0]
 16507  		if !(rc < 32) {
 16508  			break
 16509  		}
 16510  		v.reset(OpARM64UBFX)
 16511  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16512  		v.AddArg(x)
 16513  		return true
 16514  	}
 16515  	// match: (SRLconst [rc] (MOVHUreg x))
 16516  	// cond: rc < 16
 16517  	// result: (UBFX [armBFAuxInt(rc, 16-rc)] x)
 16518  	for {
 16519  		rc := auxIntToInt64(v.AuxInt)
 16520  		if v_0.Op != OpARM64MOVHUreg {
 16521  			break
 16522  		}
 16523  		x := v_0.Args[0]
 16524  		if !(rc < 16) {
 16525  			break
 16526  		}
 16527  		v.reset(OpARM64UBFX)
 16528  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16529  		v.AddArg(x)
 16530  		return true
 16531  	}
 16532  	// match: (SRLconst [rc] (MOVBUreg x))
 16533  	// cond: rc < 8
 16534  	// result: (UBFX [armBFAuxInt(rc, 8-rc)] x)
 16535  	for {
 16536  		rc := auxIntToInt64(v.AuxInt)
 16537  		if v_0.Op != OpARM64MOVBUreg {
 16538  			break
 16539  		}
 16540  		x := v_0.Args[0]
 16541  		if !(rc < 8) {
 16542  			break
 16543  		}
 16544  		v.reset(OpARM64UBFX)
 16545  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16546  		v.AddArg(x)
 16547  		return true
 16548  	}
 16549  	// match: (SRLconst [sc] (ANDconst [ac] x))
 16550  	// cond: isARM64BFMask(sc, ac, sc)
 16551  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
 16552  	for {
 16553  		sc := auxIntToInt64(v.AuxInt)
 16554  		if v_0.Op != OpARM64ANDconst {
 16555  			break
 16556  		}
 16557  		ac := auxIntToInt64(v_0.AuxInt)
 16558  		x := v_0.Args[0]
 16559  		if !(isARM64BFMask(sc, ac, sc)) {
 16560  			break
 16561  		}
 16562  		v.reset(OpARM64UBFX)
 16563  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
 16564  		v.AddArg(x)
 16565  		return true
 16566  	}
 16567  	// match: (SRLconst [sc] (UBFX [bfc] x))
 16568  	// cond: sc < bfc.width()
 16569  	// result: (UBFX [armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc)] x)
 16570  	for {
 16571  		sc := auxIntToInt64(v.AuxInt)
 16572  		if v_0.Op != OpARM64UBFX {
 16573  			break
 16574  		}
 16575  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16576  		x := v_0.Args[0]
 16577  		if !(sc < bfc.width()) {
 16578  			break
 16579  		}
 16580  		v.reset(OpARM64UBFX)
 16581  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc))
 16582  		v.AddArg(x)
 16583  		return true
 16584  	}
 16585  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16586  	// cond: sc == bfc.lsb()
 16587  	// result: (ANDconst [1<<uint(bfc.width())-1] x)
 16588  	for {
 16589  		sc := auxIntToInt64(v.AuxInt)
 16590  		if v_0.Op != OpARM64UBFIZ {
 16591  			break
 16592  		}
 16593  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16594  		x := v_0.Args[0]
 16595  		if !(sc == bfc.lsb()) {
 16596  			break
 16597  		}
 16598  		v.reset(OpARM64ANDconst)
 16599  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.width()) - 1)
 16600  		v.AddArg(x)
 16601  		return true
 16602  	}
 16603  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16604  	// cond: sc < bfc.lsb()
 16605  	// result: (UBFIZ [armBFAuxInt(bfc.lsb()-sc, bfc.width())] x)
 16606  	for {
 16607  		sc := auxIntToInt64(v.AuxInt)
 16608  		if v_0.Op != OpARM64UBFIZ {
 16609  			break
 16610  		}
 16611  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16612  		x := v_0.Args[0]
 16613  		if !(sc < bfc.lsb()) {
 16614  			break
 16615  		}
 16616  		v.reset(OpARM64UBFIZ)
 16617  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 16618  		v.AddArg(x)
 16619  		return true
 16620  	}
 16621  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16622  	// cond: sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()
 16623  	// result: (UBFX [armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc)] x)
 16624  	for {
 16625  		sc := auxIntToInt64(v.AuxInt)
 16626  		if v_0.Op != OpARM64UBFIZ {
 16627  			break
 16628  		}
 16629  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16630  		x := v_0.Args[0]
 16631  		if !(sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 16632  			break
 16633  		}
 16634  		v.reset(OpARM64UBFX)
 16635  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc))
 16636  		v.AddArg(x)
 16637  		return true
 16638  	}
 16639  	return false
 16640  }
 16641  func rewriteValueARM64_OpARM64STP(v *Value) bool {
 16642  	v_3 := v.Args[3]
 16643  	v_2 := v.Args[2]
 16644  	v_1 := v.Args[1]
 16645  	v_0 := v.Args[0]
 16646  	b := v.Block
 16647  	config := b.Func.Config
 16648  	// match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
 16649  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16650  	// result: (STP [off1+int32(off2)] {sym} ptr val1 val2 mem)
 16651  	for {
 16652  		off1 := auxIntToInt32(v.AuxInt)
 16653  		sym := auxToSym(v.Aux)
 16654  		if v_0.Op != OpARM64ADDconst {
 16655  			break
 16656  		}
 16657  		off2 := auxIntToInt64(v_0.AuxInt)
 16658  		ptr := v_0.Args[0]
 16659  		val1 := v_1
 16660  		val2 := v_2
 16661  		mem := v_3
 16662  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16663  			break
 16664  		}
 16665  		v.reset(OpARM64STP)
 16666  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 16667  		v.Aux = symToAux(sym)
 16668  		v.AddArg4(ptr, val1, val2, mem)
 16669  		return true
 16670  	}
 16671  	// match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
 16672  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16673  	// result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
 16674  	for {
 16675  		off1 := auxIntToInt32(v.AuxInt)
 16676  		sym1 := auxToSym(v.Aux)
 16677  		if v_0.Op != OpARM64MOVDaddr {
 16678  			break
 16679  		}
 16680  		off2 := auxIntToInt32(v_0.AuxInt)
 16681  		sym2 := auxToSym(v_0.Aux)
 16682  		ptr := v_0.Args[0]
 16683  		val1 := v_1
 16684  		val2 := v_2
 16685  		mem := v_3
 16686  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16687  			break
 16688  		}
 16689  		v.reset(OpARM64STP)
 16690  		v.AuxInt = int32ToAuxInt(off1 + off2)
 16691  		v.Aux = symToAux(mergeSym(sym1, sym2))
 16692  		v.AddArg4(ptr, val1, val2, mem)
 16693  		return true
 16694  	}
 16695  	return false
 16696  }
 16697  func rewriteValueARM64_OpARM64SUB(v *Value) bool {
 16698  	v_1 := v.Args[1]
 16699  	v_0 := v.Args[0]
 16700  	b := v.Block
 16701  	// match: (SUB x (MOVDconst [c]))
 16702  	// result: (SUBconst [c] x)
 16703  	for {
 16704  		x := v_0
 16705  		if v_1.Op != OpARM64MOVDconst {
 16706  			break
 16707  		}
 16708  		c := auxIntToInt64(v_1.AuxInt)
 16709  		v.reset(OpARM64SUBconst)
 16710  		v.AuxInt = int64ToAuxInt(c)
 16711  		v.AddArg(x)
 16712  		return true
 16713  	}
 16714  	// match: (SUB a l:(MUL x y))
 16715  	// cond: l.Uses==1 && clobber(l)
 16716  	// result: (MSUB a x y)
 16717  	for {
 16718  		a := v_0
 16719  		l := v_1
 16720  		if l.Op != OpARM64MUL {
 16721  			break
 16722  		}
 16723  		y := l.Args[1]
 16724  		x := l.Args[0]
 16725  		if !(l.Uses == 1 && clobber(l)) {
 16726  			break
 16727  		}
 16728  		v.reset(OpARM64MSUB)
 16729  		v.AddArg3(a, x, y)
 16730  		return true
 16731  	}
 16732  	// match: (SUB a l:(MNEG x y))
 16733  	// cond: l.Uses==1 && clobber(l)
 16734  	// result: (MADD a x y)
 16735  	for {
 16736  		a := v_0
 16737  		l := v_1
 16738  		if l.Op != OpARM64MNEG {
 16739  			break
 16740  		}
 16741  		y := l.Args[1]
 16742  		x := l.Args[0]
 16743  		if !(l.Uses == 1 && clobber(l)) {
 16744  			break
 16745  		}
 16746  		v.reset(OpARM64MADD)
 16747  		v.AddArg3(a, x, y)
 16748  		return true
 16749  	}
 16750  	// match: (SUB a l:(MULW x y))
 16751  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16752  	// result: (MSUBW a x y)
 16753  	for {
 16754  		a := v_0
 16755  		l := v_1
 16756  		if l.Op != OpARM64MULW {
 16757  			break
 16758  		}
 16759  		y := l.Args[1]
 16760  		x := l.Args[0]
 16761  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16762  			break
 16763  		}
 16764  		v.reset(OpARM64MSUBW)
 16765  		v.AddArg3(a, x, y)
 16766  		return true
 16767  	}
 16768  	// match: (SUB a l:(MNEGW x y))
 16769  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16770  	// result: (MADDW a x y)
 16771  	for {
 16772  		a := v_0
 16773  		l := v_1
 16774  		if l.Op != OpARM64MNEGW {
 16775  			break
 16776  		}
 16777  		y := l.Args[1]
 16778  		x := l.Args[0]
 16779  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16780  			break
 16781  		}
 16782  		v.reset(OpARM64MADDW)
 16783  		v.AddArg3(a, x, y)
 16784  		return true
 16785  	}
 16786  	// match: (SUB <t> a p:(ADDconst [c] m:(MUL _ _)))
 16787  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16788  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16789  	for {
 16790  		t := v.Type
 16791  		a := v_0
 16792  		p := v_1
 16793  		if p.Op != OpARM64ADDconst {
 16794  			break
 16795  		}
 16796  		c := auxIntToInt64(p.AuxInt)
 16797  		m := p.Args[0]
 16798  		if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16799  			break
 16800  		}
 16801  		v.reset(OpARM64SUBconst)
 16802  		v.AuxInt = int64ToAuxInt(c)
 16803  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16804  		v0.AddArg2(a, m)
 16805  		v.AddArg(v0)
 16806  		return true
 16807  	}
 16808  	// match: (SUB <t> a p:(ADDconst [c] m:(MULW _ _)))
 16809  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16810  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16811  	for {
 16812  		t := v.Type
 16813  		a := v_0
 16814  		p := v_1
 16815  		if p.Op != OpARM64ADDconst {
 16816  			break
 16817  		}
 16818  		c := auxIntToInt64(p.AuxInt)
 16819  		m := p.Args[0]
 16820  		if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16821  			break
 16822  		}
 16823  		v.reset(OpARM64SUBconst)
 16824  		v.AuxInt = int64ToAuxInt(c)
 16825  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16826  		v0.AddArg2(a, m)
 16827  		v.AddArg(v0)
 16828  		return true
 16829  	}
 16830  	// match: (SUB <t> a p:(ADDconst [c] m:(MNEG _ _)))
 16831  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16832  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16833  	for {
 16834  		t := v.Type
 16835  		a := v_0
 16836  		p := v_1
 16837  		if p.Op != OpARM64ADDconst {
 16838  			break
 16839  		}
 16840  		c := auxIntToInt64(p.AuxInt)
 16841  		m := p.Args[0]
 16842  		if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16843  			break
 16844  		}
 16845  		v.reset(OpARM64SUBconst)
 16846  		v.AuxInt = int64ToAuxInt(c)
 16847  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16848  		v0.AddArg2(a, m)
 16849  		v.AddArg(v0)
 16850  		return true
 16851  	}
 16852  	// match: (SUB <t> a p:(ADDconst [c] m:(MNEGW _ _)))
 16853  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16854  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16855  	for {
 16856  		t := v.Type
 16857  		a := v_0
 16858  		p := v_1
 16859  		if p.Op != OpARM64ADDconst {
 16860  			break
 16861  		}
 16862  		c := auxIntToInt64(p.AuxInt)
 16863  		m := p.Args[0]
 16864  		if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16865  			break
 16866  		}
 16867  		v.reset(OpARM64SUBconst)
 16868  		v.AuxInt = int64ToAuxInt(c)
 16869  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16870  		v0.AddArg2(a, m)
 16871  		v.AddArg(v0)
 16872  		return true
 16873  	}
 16874  	// match: (SUB <t> a p:(SUBconst [c] m:(MUL _ _)))
 16875  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16876  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16877  	for {
 16878  		t := v.Type
 16879  		a := v_0
 16880  		p := v_1
 16881  		if p.Op != OpARM64SUBconst {
 16882  			break
 16883  		}
 16884  		c := auxIntToInt64(p.AuxInt)
 16885  		m := p.Args[0]
 16886  		if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16887  			break
 16888  		}
 16889  		v.reset(OpARM64ADDconst)
 16890  		v.AuxInt = int64ToAuxInt(c)
 16891  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16892  		v0.AddArg2(a, m)
 16893  		v.AddArg(v0)
 16894  		return true
 16895  	}
 16896  	// match: (SUB <t> a p:(SUBconst [c] m:(MULW _ _)))
 16897  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16898  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16899  	for {
 16900  		t := v.Type
 16901  		a := v_0
 16902  		p := v_1
 16903  		if p.Op != OpARM64SUBconst {
 16904  			break
 16905  		}
 16906  		c := auxIntToInt64(p.AuxInt)
 16907  		m := p.Args[0]
 16908  		if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16909  			break
 16910  		}
 16911  		v.reset(OpARM64ADDconst)
 16912  		v.AuxInt = int64ToAuxInt(c)
 16913  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16914  		v0.AddArg2(a, m)
 16915  		v.AddArg(v0)
 16916  		return true
 16917  	}
 16918  	// match: (SUB <t> a p:(SUBconst [c] m:(MNEG _ _)))
 16919  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16920  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16921  	for {
 16922  		t := v.Type
 16923  		a := v_0
 16924  		p := v_1
 16925  		if p.Op != OpARM64SUBconst {
 16926  			break
 16927  		}
 16928  		c := auxIntToInt64(p.AuxInt)
 16929  		m := p.Args[0]
 16930  		if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16931  			break
 16932  		}
 16933  		v.reset(OpARM64ADDconst)
 16934  		v.AuxInt = int64ToAuxInt(c)
 16935  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16936  		v0.AddArg2(a, m)
 16937  		v.AddArg(v0)
 16938  		return true
 16939  	}
 16940  	// match: (SUB <t> a p:(SUBconst [c] m:(MNEGW _ _)))
 16941  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16942  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16943  	for {
 16944  		t := v.Type
 16945  		a := v_0
 16946  		p := v_1
 16947  		if p.Op != OpARM64SUBconst {
 16948  			break
 16949  		}
 16950  		c := auxIntToInt64(p.AuxInt)
 16951  		m := p.Args[0]
 16952  		if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16953  			break
 16954  		}
 16955  		v.reset(OpARM64ADDconst)
 16956  		v.AuxInt = int64ToAuxInt(c)
 16957  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16958  		v0.AddArg2(a, m)
 16959  		v.AddArg(v0)
 16960  		return true
 16961  	}
 16962  	// match: (SUB x (NEG y))
 16963  	// result: (ADD x y)
 16964  	for {
 16965  		x := v_0
 16966  		if v_1.Op != OpARM64NEG {
 16967  			break
 16968  		}
 16969  		y := v_1.Args[0]
 16970  		v.reset(OpARM64ADD)
 16971  		v.AddArg2(x, y)
 16972  		return true
 16973  	}
 16974  	// match: (SUB x x)
 16975  	// result: (MOVDconst [0])
 16976  	for {
 16977  		x := v_0
 16978  		if x != v_1 {
 16979  			break
 16980  		}
 16981  		v.reset(OpARM64MOVDconst)
 16982  		v.AuxInt = int64ToAuxInt(0)
 16983  		return true
 16984  	}
 16985  	// match: (SUB x (SUB y z))
 16986  	// result: (SUB (ADD <v.Type> x z) y)
 16987  	for {
 16988  		x := v_0
 16989  		if v_1.Op != OpARM64SUB {
 16990  			break
 16991  		}
 16992  		z := v_1.Args[1]
 16993  		y := v_1.Args[0]
 16994  		v.reset(OpARM64SUB)
 16995  		v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
 16996  		v0.AddArg2(x, z)
 16997  		v.AddArg2(v0, y)
 16998  		return true
 16999  	}
 17000  	// match: (SUB (SUB x y) z)
 17001  	// result: (SUB x (ADD <y.Type> y z))
 17002  	for {
 17003  		if v_0.Op != OpARM64SUB {
 17004  			break
 17005  		}
 17006  		y := v_0.Args[1]
 17007  		x := v_0.Args[0]
 17008  		z := v_1
 17009  		v.reset(OpARM64SUB)
 17010  		v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type)
 17011  		v0.AddArg2(y, z)
 17012  		v.AddArg2(x, v0)
 17013  		return true
 17014  	}
 17015  	// match: (SUB x0 x1:(SLLconst [c] y))
 17016  	// cond: clobberIfDead(x1)
 17017  	// result: (SUBshiftLL x0 y [c])
 17018  	for {
 17019  		x0 := v_0
 17020  		x1 := v_1
 17021  		if x1.Op != OpARM64SLLconst {
 17022  			break
 17023  		}
 17024  		c := auxIntToInt64(x1.AuxInt)
 17025  		y := x1.Args[0]
 17026  		if !(clobberIfDead(x1)) {
 17027  			break
 17028  		}
 17029  		v.reset(OpARM64SUBshiftLL)
 17030  		v.AuxInt = int64ToAuxInt(c)
 17031  		v.AddArg2(x0, y)
 17032  		return true
 17033  	}
 17034  	// match: (SUB x0 x1:(SRLconst [c] y))
 17035  	// cond: clobberIfDead(x1)
 17036  	// result: (SUBshiftRL x0 y [c])
 17037  	for {
 17038  		x0 := v_0
 17039  		x1 := v_1
 17040  		if x1.Op != OpARM64SRLconst {
 17041  			break
 17042  		}
 17043  		c := auxIntToInt64(x1.AuxInt)
 17044  		y := x1.Args[0]
 17045  		if !(clobberIfDead(x1)) {
 17046  			break
 17047  		}
 17048  		v.reset(OpARM64SUBshiftRL)
 17049  		v.AuxInt = int64ToAuxInt(c)
 17050  		v.AddArg2(x0, y)
 17051  		return true
 17052  	}
 17053  	// match: (SUB x0 x1:(SRAconst [c] y))
 17054  	// cond: clobberIfDead(x1)
 17055  	// result: (SUBshiftRA x0 y [c])
 17056  	for {
 17057  		x0 := v_0
 17058  		x1 := v_1
 17059  		if x1.Op != OpARM64SRAconst {
 17060  			break
 17061  		}
 17062  		c := auxIntToInt64(x1.AuxInt)
 17063  		y := x1.Args[0]
 17064  		if !(clobberIfDead(x1)) {
 17065  			break
 17066  		}
 17067  		v.reset(OpARM64SUBshiftRA)
 17068  		v.AuxInt = int64ToAuxInt(c)
 17069  		v.AddArg2(x0, y)
 17070  		return true
 17071  	}
 17072  	return false
 17073  }
 17074  func rewriteValueARM64_OpARM64SUBconst(v *Value) bool {
 17075  	v_0 := v.Args[0]
 17076  	// match: (SUBconst [0] x)
 17077  	// result: x
 17078  	for {
 17079  		if auxIntToInt64(v.AuxInt) != 0 {
 17080  			break
 17081  		}
 17082  		x := v_0
 17083  		v.copyOf(x)
 17084  		return true
 17085  	}
 17086  	// match: (SUBconst [c] (MOVDconst [d]))
 17087  	// result: (MOVDconst [d-c])
 17088  	for {
 17089  		c := auxIntToInt64(v.AuxInt)
 17090  		if v_0.Op != OpARM64MOVDconst {
 17091  			break
 17092  		}
 17093  		d := auxIntToInt64(v_0.AuxInt)
 17094  		v.reset(OpARM64MOVDconst)
 17095  		v.AuxInt = int64ToAuxInt(d - c)
 17096  		return true
 17097  	}
 17098  	// match: (SUBconst [c] (SUBconst [d] x))
 17099  	// result: (ADDconst [-c-d] x)
 17100  	for {
 17101  		c := auxIntToInt64(v.AuxInt)
 17102  		if v_0.Op != OpARM64SUBconst {
 17103  			break
 17104  		}
 17105  		d := auxIntToInt64(v_0.AuxInt)
 17106  		x := v_0.Args[0]
 17107  		v.reset(OpARM64ADDconst)
 17108  		v.AuxInt = int64ToAuxInt(-c - d)
 17109  		v.AddArg(x)
 17110  		return true
 17111  	}
 17112  	// match: (SUBconst [c] (ADDconst [d] x))
 17113  	// result: (ADDconst [-c+d] x)
 17114  	for {
 17115  		c := auxIntToInt64(v.AuxInt)
 17116  		if v_0.Op != OpARM64ADDconst {
 17117  			break
 17118  		}
 17119  		d := auxIntToInt64(v_0.AuxInt)
 17120  		x := v_0.Args[0]
 17121  		v.reset(OpARM64ADDconst)
 17122  		v.AuxInt = int64ToAuxInt(-c + d)
 17123  		v.AddArg(x)
 17124  		return true
 17125  	}
 17126  	return false
 17127  }
 17128  func rewriteValueARM64_OpARM64SUBshiftLL(v *Value) bool {
 17129  	v_1 := v.Args[1]
 17130  	v_0 := v.Args[0]
 17131  	// match: (SUBshiftLL x (MOVDconst [c]) [d])
 17132  	// result: (SUBconst x [int64(uint64(c)<<uint64(d))])
 17133  	for {
 17134  		d := auxIntToInt64(v.AuxInt)
 17135  		x := v_0
 17136  		if v_1.Op != OpARM64MOVDconst {
 17137  			break
 17138  		}
 17139  		c := auxIntToInt64(v_1.AuxInt)
 17140  		v.reset(OpARM64SUBconst)
 17141  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17142  		v.AddArg(x)
 17143  		return true
 17144  	}
 17145  	// match: (SUBshiftLL (SLLconst x [c]) x [c])
 17146  	// result: (MOVDconst [0])
 17147  	for {
 17148  		c := auxIntToInt64(v.AuxInt)
 17149  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 17150  			break
 17151  		}
 17152  		x := v_0.Args[0]
 17153  		if x != v_1 {
 17154  			break
 17155  		}
 17156  		v.reset(OpARM64MOVDconst)
 17157  		v.AuxInt = int64ToAuxInt(0)
 17158  		return true
 17159  	}
 17160  	return false
 17161  }
 17162  func rewriteValueARM64_OpARM64SUBshiftRA(v *Value) bool {
 17163  	v_1 := v.Args[1]
 17164  	v_0 := v.Args[0]
 17165  	// match: (SUBshiftRA x (MOVDconst [c]) [d])
 17166  	// result: (SUBconst x [c>>uint64(d)])
 17167  	for {
 17168  		d := auxIntToInt64(v.AuxInt)
 17169  		x := v_0
 17170  		if v_1.Op != OpARM64MOVDconst {
 17171  			break
 17172  		}
 17173  		c := auxIntToInt64(v_1.AuxInt)
 17174  		v.reset(OpARM64SUBconst)
 17175  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17176  		v.AddArg(x)
 17177  		return true
 17178  	}
 17179  	// match: (SUBshiftRA (SRAconst x [c]) x [c])
 17180  	// result: (MOVDconst [0])
 17181  	for {
 17182  		c := auxIntToInt64(v.AuxInt)
 17183  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 17184  			break
 17185  		}
 17186  		x := v_0.Args[0]
 17187  		if x != v_1 {
 17188  			break
 17189  		}
 17190  		v.reset(OpARM64MOVDconst)
 17191  		v.AuxInt = int64ToAuxInt(0)
 17192  		return true
 17193  	}
 17194  	return false
 17195  }
 17196  func rewriteValueARM64_OpARM64SUBshiftRL(v *Value) bool {
 17197  	v_1 := v.Args[1]
 17198  	v_0 := v.Args[0]
 17199  	// match: (SUBshiftRL x (MOVDconst [c]) [d])
 17200  	// result: (SUBconst x [int64(uint64(c)>>uint64(d))])
 17201  	for {
 17202  		d := auxIntToInt64(v.AuxInt)
 17203  		x := v_0
 17204  		if v_1.Op != OpARM64MOVDconst {
 17205  			break
 17206  		}
 17207  		c := auxIntToInt64(v_1.AuxInt)
 17208  		v.reset(OpARM64SUBconst)
 17209  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17210  		v.AddArg(x)
 17211  		return true
 17212  	}
 17213  	// match: (SUBshiftRL (SRLconst x [c]) x [c])
 17214  	// result: (MOVDconst [0])
 17215  	for {
 17216  		c := auxIntToInt64(v.AuxInt)
 17217  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 17218  			break
 17219  		}
 17220  		x := v_0.Args[0]
 17221  		if x != v_1 {
 17222  			break
 17223  		}
 17224  		v.reset(OpARM64MOVDconst)
 17225  		v.AuxInt = int64ToAuxInt(0)
 17226  		return true
 17227  	}
 17228  	return false
 17229  }
 17230  func rewriteValueARM64_OpARM64TST(v *Value) bool {
 17231  	v_1 := v.Args[1]
 17232  	v_0 := v.Args[0]
 17233  	// match: (TST x (MOVDconst [c]))
 17234  	// result: (TSTconst [c] x)
 17235  	for {
 17236  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17237  			x := v_0
 17238  			if v_1.Op != OpARM64MOVDconst {
 17239  				continue
 17240  			}
 17241  			c := auxIntToInt64(v_1.AuxInt)
 17242  			v.reset(OpARM64TSTconst)
 17243  			v.AuxInt = int64ToAuxInt(c)
 17244  			v.AddArg(x)
 17245  			return true
 17246  		}
 17247  		break
 17248  	}
 17249  	// match: (TST x0 x1:(SLLconst [c] y))
 17250  	// cond: clobberIfDead(x1)
 17251  	// result: (TSTshiftLL x0 y [c])
 17252  	for {
 17253  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17254  			x0 := v_0
 17255  			x1 := v_1
 17256  			if x1.Op != OpARM64SLLconst {
 17257  				continue
 17258  			}
 17259  			c := auxIntToInt64(x1.AuxInt)
 17260  			y := x1.Args[0]
 17261  			if !(clobberIfDead(x1)) {
 17262  				continue
 17263  			}
 17264  			v.reset(OpARM64TSTshiftLL)
 17265  			v.AuxInt = int64ToAuxInt(c)
 17266  			v.AddArg2(x0, y)
 17267  			return true
 17268  		}
 17269  		break
 17270  	}
 17271  	// match: (TST x0 x1:(SRLconst [c] y))
 17272  	// cond: clobberIfDead(x1)
 17273  	// result: (TSTshiftRL x0 y [c])
 17274  	for {
 17275  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17276  			x0 := v_0
 17277  			x1 := v_1
 17278  			if x1.Op != OpARM64SRLconst {
 17279  				continue
 17280  			}
 17281  			c := auxIntToInt64(x1.AuxInt)
 17282  			y := x1.Args[0]
 17283  			if !(clobberIfDead(x1)) {
 17284  				continue
 17285  			}
 17286  			v.reset(OpARM64TSTshiftRL)
 17287  			v.AuxInt = int64ToAuxInt(c)
 17288  			v.AddArg2(x0, y)
 17289  			return true
 17290  		}
 17291  		break
 17292  	}
 17293  	// match: (TST x0 x1:(SRAconst [c] y))
 17294  	// cond: clobberIfDead(x1)
 17295  	// result: (TSTshiftRA x0 y [c])
 17296  	for {
 17297  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17298  			x0 := v_0
 17299  			x1 := v_1
 17300  			if x1.Op != OpARM64SRAconst {
 17301  				continue
 17302  			}
 17303  			c := auxIntToInt64(x1.AuxInt)
 17304  			y := x1.Args[0]
 17305  			if !(clobberIfDead(x1)) {
 17306  				continue
 17307  			}
 17308  			v.reset(OpARM64TSTshiftRA)
 17309  			v.AuxInt = int64ToAuxInt(c)
 17310  			v.AddArg2(x0, y)
 17311  			return true
 17312  		}
 17313  		break
 17314  	}
 17315  	// match: (TST x0 x1:(RORconst [c] y))
 17316  	// cond: clobberIfDead(x1)
 17317  	// result: (TSTshiftRO x0 y [c])
 17318  	for {
 17319  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17320  			x0 := v_0
 17321  			x1 := v_1
 17322  			if x1.Op != OpARM64RORconst {
 17323  				continue
 17324  			}
 17325  			c := auxIntToInt64(x1.AuxInt)
 17326  			y := x1.Args[0]
 17327  			if !(clobberIfDead(x1)) {
 17328  				continue
 17329  			}
 17330  			v.reset(OpARM64TSTshiftRO)
 17331  			v.AuxInt = int64ToAuxInt(c)
 17332  			v.AddArg2(x0, y)
 17333  			return true
 17334  		}
 17335  		break
 17336  	}
 17337  	return false
 17338  }
 17339  func rewriteValueARM64_OpARM64TSTW(v *Value) bool {
 17340  	v_1 := v.Args[1]
 17341  	v_0 := v.Args[0]
 17342  	// match: (TSTW x (MOVDconst [c]))
 17343  	// result: (TSTWconst [int32(c)] x)
 17344  	for {
 17345  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17346  			x := v_0
 17347  			if v_1.Op != OpARM64MOVDconst {
 17348  				continue
 17349  			}
 17350  			c := auxIntToInt64(v_1.AuxInt)
 17351  			v.reset(OpARM64TSTWconst)
 17352  			v.AuxInt = int32ToAuxInt(int32(c))
 17353  			v.AddArg(x)
 17354  			return true
 17355  		}
 17356  		break
 17357  	}
 17358  	return false
 17359  }
 17360  func rewriteValueARM64_OpARM64TSTWconst(v *Value) bool {
 17361  	v_0 := v.Args[0]
 17362  	// match: (TSTWconst (MOVDconst [x]) [y])
 17363  	// result: (FlagConstant [logicFlags32(int32(x)&y)])
 17364  	for {
 17365  		y := auxIntToInt32(v.AuxInt)
 17366  		if v_0.Op != OpARM64MOVDconst {
 17367  			break
 17368  		}
 17369  		x := auxIntToInt64(v_0.AuxInt)
 17370  		v.reset(OpARM64FlagConstant)
 17371  		v.AuxInt = flagConstantToAuxInt(logicFlags32(int32(x) & y))
 17372  		return true
 17373  	}
 17374  	return false
 17375  }
 17376  func rewriteValueARM64_OpARM64TSTconst(v *Value) bool {
 17377  	v_0 := v.Args[0]
 17378  	// match: (TSTconst (MOVDconst [x]) [y])
 17379  	// result: (FlagConstant [logicFlags64(x&y)])
 17380  	for {
 17381  		y := auxIntToInt64(v.AuxInt)
 17382  		if v_0.Op != OpARM64MOVDconst {
 17383  			break
 17384  		}
 17385  		x := auxIntToInt64(v_0.AuxInt)
 17386  		v.reset(OpARM64FlagConstant)
 17387  		v.AuxInt = flagConstantToAuxInt(logicFlags64(x & y))
 17388  		return true
 17389  	}
 17390  	return false
 17391  }
 17392  func rewriteValueARM64_OpARM64TSTshiftLL(v *Value) bool {
 17393  	v_1 := v.Args[1]
 17394  	v_0 := v.Args[0]
 17395  	b := v.Block
 17396  	// match: (TSTshiftLL (MOVDconst [c]) x [d])
 17397  	// result: (TSTconst [c] (SLLconst <x.Type> x [d]))
 17398  	for {
 17399  		d := auxIntToInt64(v.AuxInt)
 17400  		if v_0.Op != OpARM64MOVDconst {
 17401  			break
 17402  		}
 17403  		c := auxIntToInt64(v_0.AuxInt)
 17404  		x := v_1
 17405  		v.reset(OpARM64TSTconst)
 17406  		v.AuxInt = int64ToAuxInt(c)
 17407  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 17408  		v0.AuxInt = int64ToAuxInt(d)
 17409  		v0.AddArg(x)
 17410  		v.AddArg(v0)
 17411  		return true
 17412  	}
 17413  	// match: (TSTshiftLL x (MOVDconst [c]) [d])
 17414  	// result: (TSTconst x [int64(uint64(c)<<uint64(d))])
 17415  	for {
 17416  		d := auxIntToInt64(v.AuxInt)
 17417  		x := v_0
 17418  		if v_1.Op != OpARM64MOVDconst {
 17419  			break
 17420  		}
 17421  		c := auxIntToInt64(v_1.AuxInt)
 17422  		v.reset(OpARM64TSTconst)
 17423  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17424  		v.AddArg(x)
 17425  		return true
 17426  	}
 17427  	return false
 17428  }
 17429  func rewriteValueARM64_OpARM64TSTshiftRA(v *Value) bool {
 17430  	v_1 := v.Args[1]
 17431  	v_0 := v.Args[0]
 17432  	b := v.Block
 17433  	// match: (TSTshiftRA (MOVDconst [c]) x [d])
 17434  	// result: (TSTconst [c] (SRAconst <x.Type> x [d]))
 17435  	for {
 17436  		d := auxIntToInt64(v.AuxInt)
 17437  		if v_0.Op != OpARM64MOVDconst {
 17438  			break
 17439  		}
 17440  		c := auxIntToInt64(v_0.AuxInt)
 17441  		x := v_1
 17442  		v.reset(OpARM64TSTconst)
 17443  		v.AuxInt = int64ToAuxInt(c)
 17444  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 17445  		v0.AuxInt = int64ToAuxInt(d)
 17446  		v0.AddArg(x)
 17447  		v.AddArg(v0)
 17448  		return true
 17449  	}
 17450  	// match: (TSTshiftRA x (MOVDconst [c]) [d])
 17451  	// result: (TSTconst x [c>>uint64(d)])
 17452  	for {
 17453  		d := auxIntToInt64(v.AuxInt)
 17454  		x := v_0
 17455  		if v_1.Op != OpARM64MOVDconst {
 17456  			break
 17457  		}
 17458  		c := auxIntToInt64(v_1.AuxInt)
 17459  		v.reset(OpARM64TSTconst)
 17460  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17461  		v.AddArg(x)
 17462  		return true
 17463  	}
 17464  	return false
 17465  }
 17466  func rewriteValueARM64_OpARM64TSTshiftRL(v *Value) bool {
 17467  	v_1 := v.Args[1]
 17468  	v_0 := v.Args[0]
 17469  	b := v.Block
 17470  	// match: (TSTshiftRL (MOVDconst [c]) x [d])
 17471  	// result: (TSTconst [c] (SRLconst <x.Type> x [d]))
 17472  	for {
 17473  		d := auxIntToInt64(v.AuxInt)
 17474  		if v_0.Op != OpARM64MOVDconst {
 17475  			break
 17476  		}
 17477  		c := auxIntToInt64(v_0.AuxInt)
 17478  		x := v_1
 17479  		v.reset(OpARM64TSTconst)
 17480  		v.AuxInt = int64ToAuxInt(c)
 17481  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 17482  		v0.AuxInt = int64ToAuxInt(d)
 17483  		v0.AddArg(x)
 17484  		v.AddArg(v0)
 17485  		return true
 17486  	}
 17487  	// match: (TSTshiftRL x (MOVDconst [c]) [d])
 17488  	// result: (TSTconst x [int64(uint64(c)>>uint64(d))])
 17489  	for {
 17490  		d := auxIntToInt64(v.AuxInt)
 17491  		x := v_0
 17492  		if v_1.Op != OpARM64MOVDconst {
 17493  			break
 17494  		}
 17495  		c := auxIntToInt64(v_1.AuxInt)
 17496  		v.reset(OpARM64TSTconst)
 17497  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17498  		v.AddArg(x)
 17499  		return true
 17500  	}
 17501  	return false
 17502  }
 17503  func rewriteValueARM64_OpARM64TSTshiftRO(v *Value) bool {
 17504  	v_1 := v.Args[1]
 17505  	v_0 := v.Args[0]
 17506  	b := v.Block
 17507  	// match: (TSTshiftRO (MOVDconst [c]) x [d])
 17508  	// result: (TSTconst [c] (RORconst <x.Type> x [d]))
 17509  	for {
 17510  		d := auxIntToInt64(v.AuxInt)
 17511  		if v_0.Op != OpARM64MOVDconst {
 17512  			break
 17513  		}
 17514  		c := auxIntToInt64(v_0.AuxInt)
 17515  		x := v_1
 17516  		v.reset(OpARM64TSTconst)
 17517  		v.AuxInt = int64ToAuxInt(c)
 17518  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 17519  		v0.AuxInt = int64ToAuxInt(d)
 17520  		v0.AddArg(x)
 17521  		v.AddArg(v0)
 17522  		return true
 17523  	}
 17524  	// match: (TSTshiftRO x (MOVDconst [c]) [d])
 17525  	// result: (TSTconst x [rotateRight64(c, d)])
 17526  	for {
 17527  		d := auxIntToInt64(v.AuxInt)
 17528  		x := v_0
 17529  		if v_1.Op != OpARM64MOVDconst {
 17530  			break
 17531  		}
 17532  		c := auxIntToInt64(v_1.AuxInt)
 17533  		v.reset(OpARM64TSTconst)
 17534  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 17535  		v.AddArg(x)
 17536  		return true
 17537  	}
 17538  	return false
 17539  }
 17540  func rewriteValueARM64_OpARM64UBFIZ(v *Value) bool {
 17541  	v_0 := v.Args[0]
 17542  	// match: (UBFIZ [bfc] (SLLconst [sc] x))
 17543  	// cond: sc < bfc.width()
 17544  	// result: (UBFIZ [armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc)] x)
 17545  	for {
 17546  		bfc := auxIntToArm64BitField(v.AuxInt)
 17547  		if v_0.Op != OpARM64SLLconst {
 17548  			break
 17549  		}
 17550  		sc := auxIntToInt64(v_0.AuxInt)
 17551  		x := v_0.Args[0]
 17552  		if !(sc < bfc.width()) {
 17553  			break
 17554  		}
 17555  		v.reset(OpARM64UBFIZ)
 17556  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc))
 17557  		v.AddArg(x)
 17558  		return true
 17559  	}
 17560  	return false
 17561  }
 17562  func rewriteValueARM64_OpARM64UBFX(v *Value) bool {
 17563  	v_0 := v.Args[0]
 17564  	// match: (UBFX [bfc] (ANDconst [c] x))
 17565  	// cond: isARM64BFMask(0, c, 0) && bfc.lsb() + bfc.width() <= arm64BFWidth(c, 0)
 17566  	// result: (UBFX [bfc] x)
 17567  	for {
 17568  		bfc := auxIntToArm64BitField(v.AuxInt)
 17569  		if v_0.Op != OpARM64ANDconst {
 17570  			break
 17571  		}
 17572  		c := auxIntToInt64(v_0.AuxInt)
 17573  		x := v_0.Args[0]
 17574  		if !(isARM64BFMask(0, c, 0) && bfc.lsb()+bfc.width() <= arm64BFWidth(c, 0)) {
 17575  			break
 17576  		}
 17577  		v.reset(OpARM64UBFX)
 17578  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 17579  		v.AddArg(x)
 17580  		return true
 17581  	}
 17582  	// match: (UBFX [bfc] e:(MOVWUreg x))
 17583  	// cond: e.Uses == 1 && bfc.lsb() < 32
 17584  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), 32-bfc.lsb()))] x)
 17585  	for {
 17586  		bfc := auxIntToArm64BitField(v.AuxInt)
 17587  		e := v_0
 17588  		if e.Op != OpARM64MOVWUreg {
 17589  			break
 17590  		}
 17591  		x := e.Args[0]
 17592  		if !(e.Uses == 1 && bfc.lsb() < 32) {
 17593  			break
 17594  		}
 17595  		v.reset(OpARM64UBFX)
 17596  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), 32-bfc.lsb())))
 17597  		v.AddArg(x)
 17598  		return true
 17599  	}
 17600  	// match: (UBFX [bfc] e:(MOVHUreg x))
 17601  	// cond: e.Uses == 1 && bfc.lsb() < 16
 17602  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), 16-bfc.lsb()))] x)
 17603  	for {
 17604  		bfc := auxIntToArm64BitField(v.AuxInt)
 17605  		e := v_0
 17606  		if e.Op != OpARM64MOVHUreg {
 17607  			break
 17608  		}
 17609  		x := e.Args[0]
 17610  		if !(e.Uses == 1 && bfc.lsb() < 16) {
 17611  			break
 17612  		}
 17613  		v.reset(OpARM64UBFX)
 17614  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), 16-bfc.lsb())))
 17615  		v.AddArg(x)
 17616  		return true
 17617  	}
 17618  	// match: (UBFX [bfc] e:(MOVBUreg x))
 17619  	// cond: e.Uses == 1 && bfc.lsb() < 8
 17620  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), 8-bfc.lsb()))] x)
 17621  	for {
 17622  		bfc := auxIntToArm64BitField(v.AuxInt)
 17623  		e := v_0
 17624  		if e.Op != OpARM64MOVBUreg {
 17625  			break
 17626  		}
 17627  		x := e.Args[0]
 17628  		if !(e.Uses == 1 && bfc.lsb() < 8) {
 17629  			break
 17630  		}
 17631  		v.reset(OpARM64UBFX)
 17632  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), 8-bfc.lsb())))
 17633  		v.AddArg(x)
 17634  		return true
 17635  	}
 17636  	// match: (UBFX [bfc] (SRLconst [sc] x))
 17637  	// cond: sc+bfc.width()+bfc.lsb() < 64
 17638  	// result: (UBFX [armBFAuxInt(bfc.lsb()+sc, bfc.width())] x)
 17639  	for {
 17640  		bfc := auxIntToArm64BitField(v.AuxInt)
 17641  		if v_0.Op != OpARM64SRLconst {
 17642  			break
 17643  		}
 17644  		sc := auxIntToInt64(v_0.AuxInt)
 17645  		x := v_0.Args[0]
 17646  		if !(sc+bfc.width()+bfc.lsb() < 64) {
 17647  			break
 17648  		}
 17649  		v.reset(OpARM64UBFX)
 17650  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()))
 17651  		v.AddArg(x)
 17652  		return true
 17653  	}
 17654  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17655  	// cond: sc == bfc.lsb()
 17656  	// result: (ANDconst [1<<uint(bfc.width())-1] x)
 17657  	for {
 17658  		bfc := auxIntToArm64BitField(v.AuxInt)
 17659  		if v_0.Op != OpARM64SLLconst {
 17660  			break
 17661  		}
 17662  		sc := auxIntToInt64(v_0.AuxInt)
 17663  		x := v_0.Args[0]
 17664  		if !(sc == bfc.lsb()) {
 17665  			break
 17666  		}
 17667  		v.reset(OpARM64ANDconst)
 17668  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.width()) - 1)
 17669  		v.AddArg(x)
 17670  		return true
 17671  	}
 17672  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17673  	// cond: sc < bfc.lsb()
 17674  	// result: (UBFX [armBFAuxInt(bfc.lsb()-sc, bfc.width())] x)
 17675  	for {
 17676  		bfc := auxIntToArm64BitField(v.AuxInt)
 17677  		if v_0.Op != OpARM64SLLconst {
 17678  			break
 17679  		}
 17680  		sc := auxIntToInt64(v_0.AuxInt)
 17681  		x := v_0.Args[0]
 17682  		if !(sc < bfc.lsb()) {
 17683  			break
 17684  		}
 17685  		v.reset(OpARM64UBFX)
 17686  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 17687  		v.AddArg(x)
 17688  		return true
 17689  	}
 17690  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17691  	// cond: sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()
 17692  	// result: (UBFIZ [armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc)] x)
 17693  	for {
 17694  		bfc := auxIntToArm64BitField(v.AuxInt)
 17695  		if v_0.Op != OpARM64SLLconst {
 17696  			break
 17697  		}
 17698  		sc := auxIntToInt64(v_0.AuxInt)
 17699  		x := v_0.Args[0]
 17700  		if !(sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 17701  			break
 17702  		}
 17703  		v.reset(OpARM64UBFIZ)
 17704  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc))
 17705  		v.AddArg(x)
 17706  		return true
 17707  	}
 17708  	return false
 17709  }
 17710  func rewriteValueARM64_OpARM64UDIV(v *Value) bool {
 17711  	v_1 := v.Args[1]
 17712  	v_0 := v.Args[0]
 17713  	// match: (UDIV x (MOVDconst [1]))
 17714  	// result: x
 17715  	for {
 17716  		x := v_0
 17717  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17718  			break
 17719  		}
 17720  		v.copyOf(x)
 17721  		return true
 17722  	}
 17723  	// match: (UDIV x (MOVDconst [c]))
 17724  	// cond: isPowerOfTwo(c)
 17725  	// result: (SRLconst [log64(c)] x)
 17726  	for {
 17727  		x := v_0
 17728  		if v_1.Op != OpARM64MOVDconst {
 17729  			break
 17730  		}
 17731  		c := auxIntToInt64(v_1.AuxInt)
 17732  		if !(isPowerOfTwo(c)) {
 17733  			break
 17734  		}
 17735  		v.reset(OpARM64SRLconst)
 17736  		v.AuxInt = int64ToAuxInt(log64(c))
 17737  		v.AddArg(x)
 17738  		return true
 17739  	}
 17740  	// match: (UDIV (MOVDconst [c]) (MOVDconst [d]))
 17741  	// cond: d != 0
 17742  	// result: (MOVDconst [int64(uint64(c)/uint64(d))])
 17743  	for {
 17744  		if v_0.Op != OpARM64MOVDconst {
 17745  			break
 17746  		}
 17747  		c := auxIntToInt64(v_0.AuxInt)
 17748  		if v_1.Op != OpARM64MOVDconst {
 17749  			break
 17750  		}
 17751  		d := auxIntToInt64(v_1.AuxInt)
 17752  		if !(d != 0) {
 17753  			break
 17754  		}
 17755  		v.reset(OpARM64MOVDconst)
 17756  		v.AuxInt = int64ToAuxInt(int64(uint64(c) / uint64(d)))
 17757  		return true
 17758  	}
 17759  	return false
 17760  }
 17761  func rewriteValueARM64_OpARM64UDIVW(v *Value) bool {
 17762  	v_1 := v.Args[1]
 17763  	v_0 := v.Args[0]
 17764  	b := v.Block
 17765  	// match: (UDIVW x (MOVDconst [c]))
 17766  	// cond: uint32(c)==1
 17767  	// result: (MOVWUreg x)
 17768  	for {
 17769  		x := v_0
 17770  		if v_1.Op != OpARM64MOVDconst {
 17771  			break
 17772  		}
 17773  		c := auxIntToInt64(v_1.AuxInt)
 17774  		if !(uint32(c) == 1) {
 17775  			break
 17776  		}
 17777  		v.reset(OpARM64MOVWUreg)
 17778  		v.AddArg(x)
 17779  		return true
 17780  	}
 17781  	// match: (UDIVW x (MOVDconst [c]))
 17782  	// cond: isPowerOfTwo(c) && is32Bit(c)
 17783  	// result: (SRLconst [log64(c)] (MOVWUreg <v.Type> x))
 17784  	for {
 17785  		x := v_0
 17786  		if v_1.Op != OpARM64MOVDconst {
 17787  			break
 17788  		}
 17789  		c := auxIntToInt64(v_1.AuxInt)
 17790  		if !(isPowerOfTwo(c) && is32Bit(c)) {
 17791  			break
 17792  		}
 17793  		v.reset(OpARM64SRLconst)
 17794  		v.AuxInt = int64ToAuxInt(log64(c))
 17795  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUreg, v.Type)
 17796  		v0.AddArg(x)
 17797  		v.AddArg(v0)
 17798  		return true
 17799  	}
 17800  	// match: (UDIVW (MOVDconst [c]) (MOVDconst [d]))
 17801  	// cond: d != 0
 17802  	// result: (MOVDconst [int64(uint32(c)/uint32(d))])
 17803  	for {
 17804  		if v_0.Op != OpARM64MOVDconst {
 17805  			break
 17806  		}
 17807  		c := auxIntToInt64(v_0.AuxInt)
 17808  		if v_1.Op != OpARM64MOVDconst {
 17809  			break
 17810  		}
 17811  		d := auxIntToInt64(v_1.AuxInt)
 17812  		if !(d != 0) {
 17813  			break
 17814  		}
 17815  		v.reset(OpARM64MOVDconst)
 17816  		v.AuxInt = int64ToAuxInt(int64(uint32(c) / uint32(d)))
 17817  		return true
 17818  	}
 17819  	return false
 17820  }
 17821  func rewriteValueARM64_OpARM64UMOD(v *Value) bool {
 17822  	v_1 := v.Args[1]
 17823  	v_0 := v.Args[0]
 17824  	b := v.Block
 17825  	typ := &b.Func.Config.Types
 17826  	// match: (UMOD <typ.UInt64> x y)
 17827  	// result: (MSUB <typ.UInt64> x y (UDIV <typ.UInt64> x y))
 17828  	for {
 17829  		if v.Type != typ.UInt64 {
 17830  			break
 17831  		}
 17832  		x := v_0
 17833  		y := v_1
 17834  		v.reset(OpARM64MSUB)
 17835  		v.Type = typ.UInt64
 17836  		v0 := b.NewValue0(v.Pos, OpARM64UDIV, typ.UInt64)
 17837  		v0.AddArg2(x, y)
 17838  		v.AddArg3(x, y, v0)
 17839  		return true
 17840  	}
 17841  	// match: (UMOD _ (MOVDconst [1]))
 17842  	// result: (MOVDconst [0])
 17843  	for {
 17844  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17845  			break
 17846  		}
 17847  		v.reset(OpARM64MOVDconst)
 17848  		v.AuxInt = int64ToAuxInt(0)
 17849  		return true
 17850  	}
 17851  	// match: (UMOD x (MOVDconst [c]))
 17852  	// cond: isPowerOfTwo(c)
 17853  	// result: (ANDconst [c-1] x)
 17854  	for {
 17855  		x := v_0
 17856  		if v_1.Op != OpARM64MOVDconst {
 17857  			break
 17858  		}
 17859  		c := auxIntToInt64(v_1.AuxInt)
 17860  		if !(isPowerOfTwo(c)) {
 17861  			break
 17862  		}
 17863  		v.reset(OpARM64ANDconst)
 17864  		v.AuxInt = int64ToAuxInt(c - 1)
 17865  		v.AddArg(x)
 17866  		return true
 17867  	}
 17868  	// match: (UMOD (MOVDconst [c]) (MOVDconst [d]))
 17869  	// cond: d != 0
 17870  	// result: (MOVDconst [int64(uint64(c)%uint64(d))])
 17871  	for {
 17872  		if v_0.Op != OpARM64MOVDconst {
 17873  			break
 17874  		}
 17875  		c := auxIntToInt64(v_0.AuxInt)
 17876  		if v_1.Op != OpARM64MOVDconst {
 17877  			break
 17878  		}
 17879  		d := auxIntToInt64(v_1.AuxInt)
 17880  		if !(d != 0) {
 17881  			break
 17882  		}
 17883  		v.reset(OpARM64MOVDconst)
 17884  		v.AuxInt = int64ToAuxInt(int64(uint64(c) % uint64(d)))
 17885  		return true
 17886  	}
 17887  	return false
 17888  }
 17889  func rewriteValueARM64_OpARM64UMODW(v *Value) bool {
 17890  	v_1 := v.Args[1]
 17891  	v_0 := v.Args[0]
 17892  	b := v.Block
 17893  	typ := &b.Func.Config.Types
 17894  	// match: (UMODW <typ.UInt32> x y)
 17895  	// result: (MSUBW <typ.UInt32> x y (UDIVW <typ.UInt32> x y))
 17896  	for {
 17897  		if v.Type != typ.UInt32 {
 17898  			break
 17899  		}
 17900  		x := v_0
 17901  		y := v_1
 17902  		v.reset(OpARM64MSUBW)
 17903  		v.Type = typ.UInt32
 17904  		v0 := b.NewValue0(v.Pos, OpARM64UDIVW, typ.UInt32)
 17905  		v0.AddArg2(x, y)
 17906  		v.AddArg3(x, y, v0)
 17907  		return true
 17908  	}
 17909  	// match: (UMODW _ (MOVDconst [c]))
 17910  	// cond: uint32(c)==1
 17911  	// result: (MOVDconst [0])
 17912  	for {
 17913  		if v_1.Op != OpARM64MOVDconst {
 17914  			break
 17915  		}
 17916  		c := auxIntToInt64(v_1.AuxInt)
 17917  		if !(uint32(c) == 1) {
 17918  			break
 17919  		}
 17920  		v.reset(OpARM64MOVDconst)
 17921  		v.AuxInt = int64ToAuxInt(0)
 17922  		return true
 17923  	}
 17924  	// match: (UMODW x (MOVDconst [c]))
 17925  	// cond: isPowerOfTwo(c) && is32Bit(c)
 17926  	// result: (ANDconst [c-1] x)
 17927  	for {
 17928  		x := v_0
 17929  		if v_1.Op != OpARM64MOVDconst {
 17930  			break
 17931  		}
 17932  		c := auxIntToInt64(v_1.AuxInt)
 17933  		if !(isPowerOfTwo(c) && is32Bit(c)) {
 17934  			break
 17935  		}
 17936  		v.reset(OpARM64ANDconst)
 17937  		v.AuxInt = int64ToAuxInt(c - 1)
 17938  		v.AddArg(x)
 17939  		return true
 17940  	}
 17941  	// match: (UMODW (MOVDconst [c]) (MOVDconst [d]))
 17942  	// cond: d != 0
 17943  	// result: (MOVDconst [int64(uint32(c)%uint32(d))])
 17944  	for {
 17945  		if v_0.Op != OpARM64MOVDconst {
 17946  			break
 17947  		}
 17948  		c := auxIntToInt64(v_0.AuxInt)
 17949  		if v_1.Op != OpARM64MOVDconst {
 17950  			break
 17951  		}
 17952  		d := auxIntToInt64(v_1.AuxInt)
 17953  		if !(d != 0) {
 17954  			break
 17955  		}
 17956  		v.reset(OpARM64MOVDconst)
 17957  		v.AuxInt = int64ToAuxInt(int64(uint32(c) % uint32(d)))
 17958  		return true
 17959  	}
 17960  	return false
 17961  }
 17962  func rewriteValueARM64_OpARM64VBIF16B(v *Value) bool {
 17963  	v_2 := v.Args[2]
 17964  	v_1 := v.Args[1]
 17965  	v_0 := v.Args[0]
 17966  	// match: (VBIF16B x y (VNOT16B mask))
 17967  	// result: (VBIT16B x y mask)
 17968  	for {
 17969  		x := v_0
 17970  		y := v_1
 17971  		if v_2.Op != OpARM64VNOT16B {
 17972  			break
 17973  		}
 17974  		mask := v_2.Args[0]
 17975  		v.reset(OpARM64VBIT16B)
 17976  		v.AddArg3(x, y, mask)
 17977  		return true
 17978  	}
 17979  	return false
 17980  }
 17981  func rewriteValueARM64_OpARM64VBIT16B(v *Value) bool {
 17982  	v_2 := v.Args[2]
 17983  	v_1 := v.Args[1]
 17984  	v_0 := v.Args[0]
 17985  	// match: (VBIT16B x y (VNOT16B mask))
 17986  	// result: (VBIF16B x y mask)
 17987  	for {
 17988  		x := v_0
 17989  		y := v_1
 17990  		if v_2.Op != OpARM64VNOT16B {
 17991  			break
 17992  		}
 17993  		mask := v_2.Args[0]
 17994  		v.reset(OpARM64VBIF16B)
 17995  		v.AddArg3(x, y, mask)
 17996  		return true
 17997  	}
 17998  	return false
 17999  }
 18000  func rewriteValueARM64_OpARM64VDUPBbcast(v *Value) bool {
 18001  	v_0 := v.Args[0]
 18002  	// match: (VDUPBbcast [i] (VMOVBins [j] _ (MOVDconst [c])))
 18003  	// cond: i == j && c>=-128 && c<=255
 18004  	// result: (VMOVI16B [uint8(c)])
 18005  	for {
 18006  		i := auxIntToUint8(v.AuxInt)
 18007  		if v_0.Op != OpARM64VMOVBins {
 18008  			break
 18009  		}
 18010  		j := auxIntToUint8(v_0.AuxInt)
 18011  		_ = v_0.Args[1]
 18012  		v_0_1 := v_0.Args[1]
 18013  		if v_0_1.Op != OpARM64MOVDconst {
 18014  			break
 18015  		}
 18016  		c := auxIntToInt64(v_0_1.AuxInt)
 18017  		if !(i == j && c >= -128 && c <= 255) {
 18018  			break
 18019  		}
 18020  		v.reset(OpARM64VMOVI16B)
 18021  		v.AuxInt = uint8ToAuxInt(uint8(c))
 18022  		return true
 18023  	}
 18024  	return false
 18025  }
 18026  func rewriteValueARM64_OpARM64VFCVTL4S(v *Value) bool {
 18027  	v_0 := v.Args[0]
 18028  	// match: (VFCVTL4S (VDUPDextr [1] x))
 18029  	// result: (VFCVTL2_4S x)
 18030  	for {
 18031  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18032  			break
 18033  		}
 18034  		x := v_0.Args[0]
 18035  		v.reset(OpARM64VFCVTL2_4S)
 18036  		v.AddArg(x)
 18037  		return true
 18038  	}
 18039  	return false
 18040  }
 18041  func rewriteValueARM64_OpARM64VMOVDins0(v *Value) bool {
 18042  	v_1 := v.Args[1]
 18043  	v_0 := v.Args[0]
 18044  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VFCVTN2D y)))
 18045  	// result: (VFCVTN2_2D dst y)
 18046  	for {
 18047  		if auxIntToUint8(v.AuxInt) != 1 {
 18048  			break
 18049  		}
 18050  		dst := v_0
 18051  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18052  			break
 18053  		}
 18054  		v_1_0 := v_1.Args[0]
 18055  		if v_1_0.Op != OpARM64VFCVTN2D {
 18056  			break
 18057  		}
 18058  		y := v_1_0.Args[0]
 18059  		v.reset(OpARM64VFCVTN2_2D)
 18060  		v.AddArg2(dst, y)
 18061  		return true
 18062  	}
 18063  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSHRN2D [c] y)))
 18064  	// result: (VSHRN2_2D dst [c] y)
 18065  	for {
 18066  		if auxIntToUint8(v.AuxInt) != 1 {
 18067  			break
 18068  		}
 18069  		dst := v_0
 18070  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18071  			break
 18072  		}
 18073  		v_1_0 := v_1.Args[0]
 18074  		if v_1_0.Op != OpARM64VSHRN2D {
 18075  			break
 18076  		}
 18077  		c := auxIntToUint8(v_1_0.AuxInt)
 18078  		y := v_1_0.Args[0]
 18079  		v.reset(OpARM64VSHRN2_2D)
 18080  		v.AuxInt = uint8ToAuxInt(c)
 18081  		v.AddArg2(dst, y)
 18082  		return true
 18083  	}
 18084  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSHRN4S [c] y)))
 18085  	// result: (VSHRN2_4S dst [c] y)
 18086  	for {
 18087  		if auxIntToUint8(v.AuxInt) != 1 {
 18088  			break
 18089  		}
 18090  		dst := v_0
 18091  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18092  			break
 18093  		}
 18094  		v_1_0 := v_1.Args[0]
 18095  		if v_1_0.Op != OpARM64VSHRN4S {
 18096  			break
 18097  		}
 18098  		c := auxIntToUint8(v_1_0.AuxInt)
 18099  		y := v_1_0.Args[0]
 18100  		v.reset(OpARM64VSHRN2_4S)
 18101  		v.AuxInt = uint8ToAuxInt(c)
 18102  		v.AddArg2(dst, y)
 18103  		return true
 18104  	}
 18105  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSHRN8H [c] y)))
 18106  	// result: (VSHRN2_8H dst [c] y)
 18107  	for {
 18108  		if auxIntToUint8(v.AuxInt) != 1 {
 18109  			break
 18110  		}
 18111  		dst := v_0
 18112  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18113  			break
 18114  		}
 18115  		v_1_0 := v_1.Args[0]
 18116  		if v_1_0.Op != OpARM64VSHRN8H {
 18117  			break
 18118  		}
 18119  		c := auxIntToUint8(v_1_0.AuxInt)
 18120  		y := v_1_0.Args[0]
 18121  		v.reset(OpARM64VSHRN2_8H)
 18122  		v.AuxInt = uint8ToAuxInt(c)
 18123  		v.AddArg2(dst, y)
 18124  		return true
 18125  	}
 18126  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTN2D y)))
 18127  	// result: (VSQXTN2_2D dst y)
 18128  	for {
 18129  		if auxIntToUint8(v.AuxInt) != 1 {
 18130  			break
 18131  		}
 18132  		dst := v_0
 18133  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18134  			break
 18135  		}
 18136  		v_1_0 := v_1.Args[0]
 18137  		if v_1_0.Op != OpARM64VSQXTN2D {
 18138  			break
 18139  		}
 18140  		y := v_1_0.Args[0]
 18141  		v.reset(OpARM64VSQXTN2_2D)
 18142  		v.AddArg2(dst, y)
 18143  		return true
 18144  	}
 18145  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTN4S y)))
 18146  	// result: (VSQXTN2_4S dst y)
 18147  	for {
 18148  		if auxIntToUint8(v.AuxInt) != 1 {
 18149  			break
 18150  		}
 18151  		dst := v_0
 18152  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18153  			break
 18154  		}
 18155  		v_1_0 := v_1.Args[0]
 18156  		if v_1_0.Op != OpARM64VSQXTN4S {
 18157  			break
 18158  		}
 18159  		y := v_1_0.Args[0]
 18160  		v.reset(OpARM64VSQXTN2_4S)
 18161  		v.AddArg2(dst, y)
 18162  		return true
 18163  	}
 18164  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTN8H y)))
 18165  	// result: (VSQXTN2_8H dst y)
 18166  	for {
 18167  		if auxIntToUint8(v.AuxInt) != 1 {
 18168  			break
 18169  		}
 18170  		dst := v_0
 18171  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18172  			break
 18173  		}
 18174  		v_1_0 := v_1.Args[0]
 18175  		if v_1_0.Op != OpARM64VSQXTN8H {
 18176  			break
 18177  		}
 18178  		y := v_1_0.Args[0]
 18179  		v.reset(OpARM64VSQXTN2_8H)
 18180  		v.AddArg2(dst, y)
 18181  		return true
 18182  	}
 18183  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTUN2D y)))
 18184  	// result: (VSQXTUN2_2D dst y)
 18185  	for {
 18186  		if auxIntToUint8(v.AuxInt) != 1 {
 18187  			break
 18188  		}
 18189  		dst := v_0
 18190  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18191  			break
 18192  		}
 18193  		v_1_0 := v_1.Args[0]
 18194  		if v_1_0.Op != OpARM64VSQXTUN2D {
 18195  			break
 18196  		}
 18197  		y := v_1_0.Args[0]
 18198  		v.reset(OpARM64VSQXTUN2_2D)
 18199  		v.AddArg2(dst, y)
 18200  		return true
 18201  	}
 18202  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTUN4S y)))
 18203  	// result: (VSQXTUN2_4S dst y)
 18204  	for {
 18205  		if auxIntToUint8(v.AuxInt) != 1 {
 18206  			break
 18207  		}
 18208  		dst := v_0
 18209  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18210  			break
 18211  		}
 18212  		v_1_0 := v_1.Args[0]
 18213  		if v_1_0.Op != OpARM64VSQXTUN4S {
 18214  			break
 18215  		}
 18216  		y := v_1_0.Args[0]
 18217  		v.reset(OpARM64VSQXTUN2_4S)
 18218  		v.AddArg2(dst, y)
 18219  		return true
 18220  	}
 18221  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTUN8H y)))
 18222  	// result: (VSQXTUN2_8H dst y)
 18223  	for {
 18224  		if auxIntToUint8(v.AuxInt) != 1 {
 18225  			break
 18226  		}
 18227  		dst := v_0
 18228  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18229  			break
 18230  		}
 18231  		v_1_0 := v_1.Args[0]
 18232  		if v_1_0.Op != OpARM64VSQXTUN8H {
 18233  			break
 18234  		}
 18235  		y := v_1_0.Args[0]
 18236  		v.reset(OpARM64VSQXTUN2_8H)
 18237  		v.AddArg2(dst, y)
 18238  		return true
 18239  	}
 18240  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VUQXTN2D y)))
 18241  	// result: (VUQXTN2_2D dst y)
 18242  	for {
 18243  		if auxIntToUint8(v.AuxInt) != 1 {
 18244  			break
 18245  		}
 18246  		dst := v_0
 18247  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18248  			break
 18249  		}
 18250  		v_1_0 := v_1.Args[0]
 18251  		if v_1_0.Op != OpARM64VUQXTN2D {
 18252  			break
 18253  		}
 18254  		y := v_1_0.Args[0]
 18255  		v.reset(OpARM64VUQXTN2_2D)
 18256  		v.AddArg2(dst, y)
 18257  		return true
 18258  	}
 18259  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VUQXTN4S y)))
 18260  	// result: (VUQXTN2_4S dst y)
 18261  	for {
 18262  		if auxIntToUint8(v.AuxInt) != 1 {
 18263  			break
 18264  		}
 18265  		dst := v_0
 18266  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18267  			break
 18268  		}
 18269  		v_1_0 := v_1.Args[0]
 18270  		if v_1_0.Op != OpARM64VUQXTN4S {
 18271  			break
 18272  		}
 18273  		y := v_1_0.Args[0]
 18274  		v.reset(OpARM64VUQXTN2_4S)
 18275  		v.AddArg2(dst, y)
 18276  		return true
 18277  	}
 18278  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VUQXTN8H y)))
 18279  	// result: (VUQXTN2_8H dst y)
 18280  	for {
 18281  		if auxIntToUint8(v.AuxInt) != 1 {
 18282  			break
 18283  		}
 18284  		dst := v_0
 18285  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18286  			break
 18287  		}
 18288  		v_1_0 := v_1.Args[0]
 18289  		if v_1_0.Op != OpARM64VUQXTN8H {
 18290  			break
 18291  		}
 18292  		y := v_1_0.Args[0]
 18293  		v.reset(OpARM64VUQXTN2_8H)
 18294  		v.AddArg2(dst, y)
 18295  		return true
 18296  	}
 18297  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VXTN2D y)))
 18298  	// result: (VXTN2_2D dst y)
 18299  	for {
 18300  		if auxIntToUint8(v.AuxInt) != 1 {
 18301  			break
 18302  		}
 18303  		dst := v_0
 18304  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18305  			break
 18306  		}
 18307  		v_1_0 := v_1.Args[0]
 18308  		if v_1_0.Op != OpARM64VXTN2D {
 18309  			break
 18310  		}
 18311  		y := v_1_0.Args[0]
 18312  		v.reset(OpARM64VXTN2_2D)
 18313  		v.AddArg2(dst, y)
 18314  		return true
 18315  	}
 18316  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VXTN4S y)))
 18317  	// result: (VXTN2_4S dst y)
 18318  	for {
 18319  		if auxIntToUint8(v.AuxInt) != 1 {
 18320  			break
 18321  		}
 18322  		dst := v_0
 18323  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18324  			break
 18325  		}
 18326  		v_1_0 := v_1.Args[0]
 18327  		if v_1_0.Op != OpARM64VXTN4S {
 18328  			break
 18329  		}
 18330  		y := v_1_0.Args[0]
 18331  		v.reset(OpARM64VXTN2_4S)
 18332  		v.AddArg2(dst, y)
 18333  		return true
 18334  	}
 18335  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VXTN8H y)))
 18336  	// result: (VXTN2_8H dst y)
 18337  	for {
 18338  		if auxIntToUint8(v.AuxInt) != 1 {
 18339  			break
 18340  		}
 18341  		dst := v_0
 18342  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18343  			break
 18344  		}
 18345  		v_1_0 := v_1.Args[0]
 18346  		if v_1_0.Op != OpARM64VXTN8H {
 18347  			break
 18348  		}
 18349  		y := v_1_0.Args[0]
 18350  		v.reset(OpARM64VXTN2_8H)
 18351  		v.AddArg2(dst, y)
 18352  		return true
 18353  	}
 18354  	// match: (VMOVDins0 [0] (VMOVI16B [0]) y:(VDUPDextr [i] _))
 18355  	// result: y
 18356  	for {
 18357  		if auxIntToUint8(v.AuxInt) != 0 || v_0.Op != OpARM64VMOVI16B || auxIntToUint8(v_0.AuxInt) != 0 {
 18358  			break
 18359  		}
 18360  		y := v_1
 18361  		if y.Op != OpARM64VDUPDextr {
 18362  			break
 18363  		}
 18364  		v.copyOf(y)
 18365  		return true
 18366  	}
 18367  	return false
 18368  }
 18369  func rewriteValueARM64_OpARM64VMOVSins0(v *Value) bool {
 18370  	v_1 := v.Args[1]
 18371  	v_0 := v.Args[0]
 18372  	// match: (VMOVSins0 [0] (VMOVI16B [0]) y:(VDUPSextr [i] _))
 18373  	// result: y
 18374  	for {
 18375  		if auxIntToUint8(v.AuxInt) != 0 || v_0.Op != OpARM64VMOVI16B || auxIntToUint8(v_0.AuxInt) != 0 {
 18376  			break
 18377  		}
 18378  		y := v_1
 18379  		if y.Op != OpARM64VDUPSextr {
 18380  			break
 18381  		}
 18382  		v.copyOf(y)
 18383  		return true
 18384  	}
 18385  	return false
 18386  }
 18387  func rewriteValueARM64_OpARM64VPMULL2D(v *Value) bool {
 18388  	v_1 := v.Args[1]
 18389  	v_0 := v.Args[0]
 18390  	// match: (VPMULL2D (VDUPDextr [1] x) (VDUPDextr [1] y))
 18391  	// result: (VPMULL2_2D x y)
 18392  	for {
 18393  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18394  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18395  				continue
 18396  			}
 18397  			x := v_0.Args[0]
 18398  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18399  				continue
 18400  			}
 18401  			y := v_1.Args[0]
 18402  			v.reset(OpARM64VPMULL2_2D)
 18403  			v.AddArg2(x, y)
 18404  			return true
 18405  		}
 18406  		break
 18407  	}
 18408  	return false
 18409  }
 18410  func rewriteValueARM64_OpARM64VSHL16B(v *Value) bool {
 18411  	v_0 := v.Args[0]
 18412  	// match: (VSHL16B [a] x)
 18413  	// cond: a==0
 18414  	// result: x
 18415  	for {
 18416  		a := auxIntToUint8(v.AuxInt)
 18417  		x := v_0
 18418  		if !(a == 0) {
 18419  			break
 18420  		}
 18421  		v.copyOf(x)
 18422  		return true
 18423  	}
 18424  	return false
 18425  }
 18426  func rewriteValueARM64_OpARM64VSHL2D(v *Value) bool {
 18427  	v_0 := v.Args[0]
 18428  	// match: (VSHL2D [a] x)
 18429  	// cond: a==0
 18430  	// result: x
 18431  	for {
 18432  		a := auxIntToUint8(v.AuxInt)
 18433  		x := v_0
 18434  		if !(a == 0) {
 18435  			break
 18436  		}
 18437  		v.copyOf(x)
 18438  		return true
 18439  	}
 18440  	return false
 18441  }
 18442  func rewriteValueARM64_OpARM64VSHL4S(v *Value) bool {
 18443  	v_0 := v.Args[0]
 18444  	// match: (VSHL4S [a] x)
 18445  	// cond: a==0
 18446  	// result: x
 18447  	for {
 18448  		a := auxIntToUint8(v.AuxInt)
 18449  		x := v_0
 18450  		if !(a == 0) {
 18451  			break
 18452  		}
 18453  		v.copyOf(x)
 18454  		return true
 18455  	}
 18456  	return false
 18457  }
 18458  func rewriteValueARM64_OpARM64VSHL8H(v *Value) bool {
 18459  	v_0 := v.Args[0]
 18460  	// match: (VSHL8H [a] x)
 18461  	// cond: a==0
 18462  	// result: x
 18463  	for {
 18464  		a := auxIntToUint8(v.AuxInt)
 18465  		x := v_0
 18466  		if !(a == 0) {
 18467  			break
 18468  		}
 18469  		v.copyOf(x)
 18470  		return true
 18471  	}
 18472  	return false
 18473  }
 18474  func rewriteValueARM64_OpARM64VSHRN2D(v *Value) bool {
 18475  	v_0 := v.Args[0]
 18476  	// match: (VSHRN2D [0] x)
 18477  	// result: (VXTN2D x)
 18478  	for {
 18479  		if auxIntToUint8(v.AuxInt) != 0 {
 18480  			break
 18481  		}
 18482  		x := v_0
 18483  		v.reset(OpARM64VXTN2D)
 18484  		v.AddArg(x)
 18485  		return true
 18486  	}
 18487  	return false
 18488  }
 18489  func rewriteValueARM64_OpARM64VSHRN4S(v *Value) bool {
 18490  	v_0 := v.Args[0]
 18491  	// match: (VSHRN4S [0] x)
 18492  	// result: (VXTN4S x)
 18493  	for {
 18494  		if auxIntToUint8(v.AuxInt) != 0 {
 18495  			break
 18496  		}
 18497  		x := v_0
 18498  		v.reset(OpARM64VXTN4S)
 18499  		v.AddArg(x)
 18500  		return true
 18501  	}
 18502  	return false
 18503  }
 18504  func rewriteValueARM64_OpARM64VSHRN8H(v *Value) bool {
 18505  	v_0 := v.Args[0]
 18506  	// match: (VSHRN8H [0] x)
 18507  	// result: (VXTN8H x)
 18508  	for {
 18509  		if auxIntToUint8(v.AuxInt) != 0 {
 18510  			break
 18511  		}
 18512  		x := v_0
 18513  		v.reset(OpARM64VXTN8H)
 18514  		v.AddArg(x)
 18515  		return true
 18516  	}
 18517  	return false
 18518  }
 18519  func rewriteValueARM64_OpARM64VSMULL16B(v *Value) bool {
 18520  	v_1 := v.Args[1]
 18521  	v_0 := v.Args[0]
 18522  	// match: (VSMULL16B (VDUPDextr [1] x) (VDUPDextr [1] y))
 18523  	// result: (VSMULL2_16B x y)
 18524  	for {
 18525  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18526  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18527  				continue
 18528  			}
 18529  			x := v_0.Args[0]
 18530  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18531  				continue
 18532  			}
 18533  			y := v_1.Args[0]
 18534  			v.reset(OpARM64VSMULL2_16B)
 18535  			v.AddArg2(x, y)
 18536  			return true
 18537  		}
 18538  		break
 18539  	}
 18540  	return false
 18541  }
 18542  func rewriteValueARM64_OpARM64VSMULL4S(v *Value) bool {
 18543  	v_1 := v.Args[1]
 18544  	v_0 := v.Args[0]
 18545  	// match: (VSMULL4S (VDUPDextr [1] x) (VDUPDextr [1] y))
 18546  	// result: (VSMULL2_4S x y)
 18547  	for {
 18548  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18549  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18550  				continue
 18551  			}
 18552  			x := v_0.Args[0]
 18553  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18554  				continue
 18555  			}
 18556  			y := v_1.Args[0]
 18557  			v.reset(OpARM64VSMULL2_4S)
 18558  			v.AddArg2(x, y)
 18559  			return true
 18560  		}
 18561  		break
 18562  	}
 18563  	return false
 18564  }
 18565  func rewriteValueARM64_OpARM64VSMULL8H(v *Value) bool {
 18566  	v_1 := v.Args[1]
 18567  	v_0 := v.Args[0]
 18568  	// match: (VSMULL8H (VDUPDextr [1] x) (VDUPDextr [1] y))
 18569  	// result: (VSMULL2_8H x y)
 18570  	for {
 18571  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18572  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18573  				continue
 18574  			}
 18575  			x := v_0.Args[0]
 18576  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18577  				continue
 18578  			}
 18579  			y := v_1.Args[0]
 18580  			v.reset(OpARM64VSMULL2_8H)
 18581  			v.AddArg2(x, y)
 18582  			return true
 18583  		}
 18584  		break
 18585  	}
 18586  	return false
 18587  }
 18588  func rewriteValueARM64_OpARM64VSQSHL16Bconst(v *Value) bool {
 18589  	v_0 := v.Args[0]
 18590  	// match: (VSQSHL16Bconst [a] x)
 18591  	// cond: a==0
 18592  	// result: x
 18593  	for {
 18594  		a := auxIntToUint8(v.AuxInt)
 18595  		x := v_0
 18596  		if !(a == 0) {
 18597  			break
 18598  		}
 18599  		v.copyOf(x)
 18600  		return true
 18601  	}
 18602  	return false
 18603  }
 18604  func rewriteValueARM64_OpARM64VSQSHL2Dconst(v *Value) bool {
 18605  	v_0 := v.Args[0]
 18606  	// match: (VSQSHL2Dconst [a] x)
 18607  	// cond: a==0
 18608  	// result: x
 18609  	for {
 18610  		a := auxIntToUint8(v.AuxInt)
 18611  		x := v_0
 18612  		if !(a == 0) {
 18613  			break
 18614  		}
 18615  		v.copyOf(x)
 18616  		return true
 18617  	}
 18618  	return false
 18619  }
 18620  func rewriteValueARM64_OpARM64VSQSHL4Sconst(v *Value) bool {
 18621  	v_0 := v.Args[0]
 18622  	// match: (VSQSHL4Sconst [a] x)
 18623  	// cond: a==0
 18624  	// result: x
 18625  	for {
 18626  		a := auxIntToUint8(v.AuxInt)
 18627  		x := v_0
 18628  		if !(a == 0) {
 18629  			break
 18630  		}
 18631  		v.copyOf(x)
 18632  		return true
 18633  	}
 18634  	return false
 18635  }
 18636  func rewriteValueARM64_OpARM64VSQSHL8Hconst(v *Value) bool {
 18637  	v_0 := v.Args[0]
 18638  	// match: (VSQSHL8Hconst [a] x)
 18639  	// cond: a==0
 18640  	// result: x
 18641  	for {
 18642  		a := auxIntToUint8(v.AuxInt)
 18643  		x := v_0
 18644  		if !(a == 0) {
 18645  			break
 18646  		}
 18647  		v.copyOf(x)
 18648  		return true
 18649  	}
 18650  	return false
 18651  }
 18652  func rewriteValueARM64_OpARM64VSSHLL16B(v *Value) bool {
 18653  	v_0 := v.Args[0]
 18654  	// match: (VSSHLL16B [a] (VDUPDextr [1] x))
 18655  	// result: (VSSHLL2_16B [a] x)
 18656  	for {
 18657  		a := auxIntToUint8(v.AuxInt)
 18658  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18659  			break
 18660  		}
 18661  		x := v_0.Args[0]
 18662  		v.reset(OpARM64VSSHLL2_16B)
 18663  		v.AuxInt = uint8ToAuxInt(a)
 18664  		v.AddArg(x)
 18665  		return true
 18666  	}
 18667  	return false
 18668  }
 18669  func rewriteValueARM64_OpARM64VSSHLL4S(v *Value) bool {
 18670  	v_0 := v.Args[0]
 18671  	// match: (VSSHLL4S [a] (VDUPDextr [1] x))
 18672  	// result: (VSSHLL2_4S [a] x)
 18673  	for {
 18674  		a := auxIntToUint8(v.AuxInt)
 18675  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18676  			break
 18677  		}
 18678  		x := v_0.Args[0]
 18679  		v.reset(OpARM64VSSHLL2_4S)
 18680  		v.AuxInt = uint8ToAuxInt(a)
 18681  		v.AddArg(x)
 18682  		return true
 18683  	}
 18684  	return false
 18685  }
 18686  func rewriteValueARM64_OpARM64VSSHLL8H(v *Value) bool {
 18687  	v_0 := v.Args[0]
 18688  	// match: (VSSHLL8H [a] (VDUPDextr [1] x))
 18689  	// result: (VSSHLL2_8H [a] x)
 18690  	for {
 18691  		a := auxIntToUint8(v.AuxInt)
 18692  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18693  			break
 18694  		}
 18695  		x := v_0.Args[0]
 18696  		v.reset(OpARM64VSSHLL2_8H)
 18697  		v.AuxInt = uint8ToAuxInt(a)
 18698  		v.AddArg(x)
 18699  		return true
 18700  	}
 18701  	return false
 18702  }
 18703  func rewriteValueARM64_OpARM64VSSHR16B(v *Value) bool {
 18704  	v_0 := v.Args[0]
 18705  	// match: (VSSHR16B [a] x)
 18706  	// cond: a==0
 18707  	// result: x
 18708  	for {
 18709  		a := auxIntToUint8(v.AuxInt)
 18710  		x := v_0
 18711  		if !(a == 0) {
 18712  			break
 18713  		}
 18714  		v.copyOf(x)
 18715  		return true
 18716  	}
 18717  	return false
 18718  }
 18719  func rewriteValueARM64_OpARM64VSSHR2D(v *Value) bool {
 18720  	v_0 := v.Args[0]
 18721  	// match: (VSSHR2D [a] x)
 18722  	// cond: a==0
 18723  	// result: x
 18724  	for {
 18725  		a := auxIntToUint8(v.AuxInt)
 18726  		x := v_0
 18727  		if !(a == 0) {
 18728  			break
 18729  		}
 18730  		v.copyOf(x)
 18731  		return true
 18732  	}
 18733  	return false
 18734  }
 18735  func rewriteValueARM64_OpARM64VSSHR4S(v *Value) bool {
 18736  	v_0 := v.Args[0]
 18737  	// match: (VSSHR4S [a] x)
 18738  	// cond: a==0
 18739  	// result: x
 18740  	for {
 18741  		a := auxIntToUint8(v.AuxInt)
 18742  		x := v_0
 18743  		if !(a == 0) {
 18744  			break
 18745  		}
 18746  		v.copyOf(x)
 18747  		return true
 18748  	}
 18749  	return false
 18750  }
 18751  func rewriteValueARM64_OpARM64VSSHR8H(v *Value) bool {
 18752  	v_0 := v.Args[0]
 18753  	// match: (VSSHR8H [a] x)
 18754  	// cond: a==0
 18755  	// result: x
 18756  	for {
 18757  		a := auxIntToUint8(v.AuxInt)
 18758  		x := v_0
 18759  		if !(a == 0) {
 18760  			break
 18761  		}
 18762  		v.copyOf(x)
 18763  		return true
 18764  	}
 18765  	return false
 18766  }
 18767  func rewriteValueARM64_OpARM64VSXTL16B(v *Value) bool {
 18768  	v_0 := v.Args[0]
 18769  	// match: (VSXTL16B (VDUPDextr [1] x))
 18770  	// result: (VSXTL2_16B x)
 18771  	for {
 18772  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18773  			break
 18774  		}
 18775  		x := v_0.Args[0]
 18776  		v.reset(OpARM64VSXTL2_16B)
 18777  		v.AddArg(x)
 18778  		return true
 18779  	}
 18780  	return false
 18781  }
 18782  func rewriteValueARM64_OpARM64VSXTL4S(v *Value) bool {
 18783  	v_0 := v.Args[0]
 18784  	// match: (VSXTL4S (VDUPDextr [1] x))
 18785  	// result: (VSXTL2_4S x)
 18786  	for {
 18787  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18788  			break
 18789  		}
 18790  		x := v_0.Args[0]
 18791  		v.reset(OpARM64VSXTL2_4S)
 18792  		v.AddArg(x)
 18793  		return true
 18794  	}
 18795  	return false
 18796  }
 18797  func rewriteValueARM64_OpARM64VSXTL8H(v *Value) bool {
 18798  	v_0 := v.Args[0]
 18799  	// match: (VSXTL8H (VDUPDextr [1] x))
 18800  	// result: (VSXTL2_8H x)
 18801  	for {
 18802  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18803  			break
 18804  		}
 18805  		x := v_0.Args[0]
 18806  		v.reset(OpARM64VSXTL2_8H)
 18807  		v.AddArg(x)
 18808  		return true
 18809  	}
 18810  	return false
 18811  }
 18812  func rewriteValueARM64_OpARM64VUMULL16B(v *Value) bool {
 18813  	v_1 := v.Args[1]
 18814  	v_0 := v.Args[0]
 18815  	// match: (VUMULL16B (VDUPDextr [1] x) (VDUPDextr [1] y))
 18816  	// result: (VUMULL2_16B x y)
 18817  	for {
 18818  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18819  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18820  				continue
 18821  			}
 18822  			x := v_0.Args[0]
 18823  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18824  				continue
 18825  			}
 18826  			y := v_1.Args[0]
 18827  			v.reset(OpARM64VUMULL2_16B)
 18828  			v.AddArg2(x, y)
 18829  			return true
 18830  		}
 18831  		break
 18832  	}
 18833  	return false
 18834  }
 18835  func rewriteValueARM64_OpARM64VUMULL4S(v *Value) bool {
 18836  	v_1 := v.Args[1]
 18837  	v_0 := v.Args[0]
 18838  	// match: (VUMULL4S (VDUPDextr [1] x) (VDUPDextr [1] y))
 18839  	// result: (VUMULL2_4S x y)
 18840  	for {
 18841  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18842  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18843  				continue
 18844  			}
 18845  			x := v_0.Args[0]
 18846  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18847  				continue
 18848  			}
 18849  			y := v_1.Args[0]
 18850  			v.reset(OpARM64VUMULL2_4S)
 18851  			v.AddArg2(x, y)
 18852  			return true
 18853  		}
 18854  		break
 18855  	}
 18856  	return false
 18857  }
 18858  func rewriteValueARM64_OpARM64VUMULL8H(v *Value) bool {
 18859  	v_1 := v.Args[1]
 18860  	v_0 := v.Args[0]
 18861  	// match: (VUMULL8H (VDUPDextr [1] x) (VDUPDextr [1] y))
 18862  	// result: (VUMULL2_8H x y)
 18863  	for {
 18864  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18865  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18866  				continue
 18867  			}
 18868  			x := v_0.Args[0]
 18869  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18870  				continue
 18871  			}
 18872  			y := v_1.Args[0]
 18873  			v.reset(OpARM64VUMULL2_8H)
 18874  			v.AddArg2(x, y)
 18875  			return true
 18876  		}
 18877  		break
 18878  	}
 18879  	return false
 18880  }
 18881  func rewriteValueARM64_OpARM64VUQSHL16Bconst(v *Value) bool {
 18882  	v_0 := v.Args[0]
 18883  	// match: (VUQSHL16Bconst [a] x)
 18884  	// cond: a==0
 18885  	// result: x
 18886  	for {
 18887  		a := auxIntToUint8(v.AuxInt)
 18888  		x := v_0
 18889  		if !(a == 0) {
 18890  			break
 18891  		}
 18892  		v.copyOf(x)
 18893  		return true
 18894  	}
 18895  	return false
 18896  }
 18897  func rewriteValueARM64_OpARM64VUQSHL2Dconst(v *Value) bool {
 18898  	v_0 := v.Args[0]
 18899  	// match: (VUQSHL2Dconst [a] x)
 18900  	// cond: a==0
 18901  	// result: x
 18902  	for {
 18903  		a := auxIntToUint8(v.AuxInt)
 18904  		x := v_0
 18905  		if !(a == 0) {
 18906  			break
 18907  		}
 18908  		v.copyOf(x)
 18909  		return true
 18910  	}
 18911  	return false
 18912  }
 18913  func rewriteValueARM64_OpARM64VUQSHL4Sconst(v *Value) bool {
 18914  	v_0 := v.Args[0]
 18915  	// match: (VUQSHL4Sconst [a] x)
 18916  	// cond: a==0
 18917  	// result: x
 18918  	for {
 18919  		a := auxIntToUint8(v.AuxInt)
 18920  		x := v_0
 18921  		if !(a == 0) {
 18922  			break
 18923  		}
 18924  		v.copyOf(x)
 18925  		return true
 18926  	}
 18927  	return false
 18928  }
 18929  func rewriteValueARM64_OpARM64VUQSHL8Hconst(v *Value) bool {
 18930  	v_0 := v.Args[0]
 18931  	// match: (VUQSHL8Hconst [a] x)
 18932  	// cond: a==0
 18933  	// result: x
 18934  	for {
 18935  		a := auxIntToUint8(v.AuxInt)
 18936  		x := v_0
 18937  		if !(a == 0) {
 18938  			break
 18939  		}
 18940  		v.copyOf(x)
 18941  		return true
 18942  	}
 18943  	return false
 18944  }
 18945  func rewriteValueARM64_OpARM64VUSHLL16B(v *Value) bool {
 18946  	v_0 := v.Args[0]
 18947  	// match: (VUSHLL16B [a] (VDUPDextr [1] x))
 18948  	// result: (VUSHLL2_16B [a] x)
 18949  	for {
 18950  		a := auxIntToUint8(v.AuxInt)
 18951  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18952  			break
 18953  		}
 18954  		x := v_0.Args[0]
 18955  		v.reset(OpARM64VUSHLL2_16B)
 18956  		v.AuxInt = uint8ToAuxInt(a)
 18957  		v.AddArg(x)
 18958  		return true
 18959  	}
 18960  	return false
 18961  }
 18962  func rewriteValueARM64_OpARM64VUSHLL4S(v *Value) bool {
 18963  	v_0 := v.Args[0]
 18964  	// match: (VUSHLL4S [a] (VDUPDextr [1] x))
 18965  	// result: (VUSHLL2_4S [a] x)
 18966  	for {
 18967  		a := auxIntToUint8(v.AuxInt)
 18968  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18969  			break
 18970  		}
 18971  		x := v_0.Args[0]
 18972  		v.reset(OpARM64VUSHLL2_4S)
 18973  		v.AuxInt = uint8ToAuxInt(a)
 18974  		v.AddArg(x)
 18975  		return true
 18976  	}
 18977  	return false
 18978  }
 18979  func rewriteValueARM64_OpARM64VUSHLL8H(v *Value) bool {
 18980  	v_0 := v.Args[0]
 18981  	// match: (VUSHLL8H [a] (VDUPDextr [1] x))
 18982  	// result: (VUSHLL2_8H [a] x)
 18983  	for {
 18984  		a := auxIntToUint8(v.AuxInt)
 18985  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18986  			break
 18987  		}
 18988  		x := v_0.Args[0]
 18989  		v.reset(OpARM64VUSHLL2_8H)
 18990  		v.AuxInt = uint8ToAuxInt(a)
 18991  		v.AddArg(x)
 18992  		return true
 18993  	}
 18994  	return false
 18995  }
 18996  func rewriteValueARM64_OpARM64VUSHR16B(v *Value) bool {
 18997  	v_0 := v.Args[0]
 18998  	// match: (VUSHR16B [a] x)
 18999  	// cond: a==0
 19000  	// result: x
 19001  	for {
 19002  		a := auxIntToUint8(v.AuxInt)
 19003  		x := v_0
 19004  		if !(a == 0) {
 19005  			break
 19006  		}
 19007  		v.copyOf(x)
 19008  		return true
 19009  	}
 19010  	return false
 19011  }
 19012  func rewriteValueARM64_OpARM64VUSHR2D(v *Value) bool {
 19013  	v_0 := v.Args[0]
 19014  	// match: (VUSHR2D [a] x)
 19015  	// cond: a==0
 19016  	// result: x
 19017  	for {
 19018  		a := auxIntToUint8(v.AuxInt)
 19019  		x := v_0
 19020  		if !(a == 0) {
 19021  			break
 19022  		}
 19023  		v.copyOf(x)
 19024  		return true
 19025  	}
 19026  	return false
 19027  }
 19028  func rewriteValueARM64_OpARM64VUSHR4S(v *Value) bool {
 19029  	v_0 := v.Args[0]
 19030  	// match: (VUSHR4S [a] x)
 19031  	// cond: a==0
 19032  	// result: x
 19033  	for {
 19034  		a := auxIntToUint8(v.AuxInt)
 19035  		x := v_0
 19036  		if !(a == 0) {
 19037  			break
 19038  		}
 19039  		v.copyOf(x)
 19040  		return true
 19041  	}
 19042  	return false
 19043  }
 19044  func rewriteValueARM64_OpARM64VUSHR8H(v *Value) bool {
 19045  	v_0 := v.Args[0]
 19046  	// match: (VUSHR8H [a] x)
 19047  	// cond: a==0
 19048  	// result: x
 19049  	for {
 19050  		a := auxIntToUint8(v.AuxInt)
 19051  		x := v_0
 19052  		if !(a == 0) {
 19053  			break
 19054  		}
 19055  		v.copyOf(x)
 19056  		return true
 19057  	}
 19058  	return false
 19059  }
 19060  func rewriteValueARM64_OpARM64VUXTL16B(v *Value) bool {
 19061  	v_0 := v.Args[0]
 19062  	// match: (VUXTL16B (VDUPDextr [1] x))
 19063  	// result: (VUXTL2_16B x)
 19064  	for {
 19065  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19066  			break
 19067  		}
 19068  		x := v_0.Args[0]
 19069  		v.reset(OpARM64VUXTL2_16B)
 19070  		v.AddArg(x)
 19071  		return true
 19072  	}
 19073  	return false
 19074  }
 19075  func rewriteValueARM64_OpARM64VUXTL4S(v *Value) bool {
 19076  	v_0 := v.Args[0]
 19077  	// match: (VUXTL4S (VDUPDextr [1] x))
 19078  	// result: (VUXTL2_4S x)
 19079  	for {
 19080  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19081  			break
 19082  		}
 19083  		x := v_0.Args[0]
 19084  		v.reset(OpARM64VUXTL2_4S)
 19085  		v.AddArg(x)
 19086  		return true
 19087  	}
 19088  	return false
 19089  }
 19090  func rewriteValueARM64_OpARM64VUXTL8H(v *Value) bool {
 19091  	v_0 := v.Args[0]
 19092  	// match: (VUXTL8H (VDUPDextr [1] x))
 19093  	// result: (VUXTL2_8H x)
 19094  	for {
 19095  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19096  			break
 19097  		}
 19098  		x := v_0.Args[0]
 19099  		v.reset(OpARM64VUXTL2_8H)
 19100  		v.AddArg(x)
 19101  		return true
 19102  	}
 19103  	return false
 19104  }
 19105  func rewriteValueARM64_OpARM64XOR(v *Value) bool {
 19106  	v_1 := v.Args[1]
 19107  	v_0 := v.Args[0]
 19108  	// match: (XOR x (MOVDconst [c]))
 19109  	// result: (XORconst [c] x)
 19110  	for {
 19111  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19112  			x := v_0
 19113  			if v_1.Op != OpARM64MOVDconst {
 19114  				continue
 19115  			}
 19116  			c := auxIntToInt64(v_1.AuxInt)
 19117  			v.reset(OpARM64XORconst)
 19118  			v.AuxInt = int64ToAuxInt(c)
 19119  			v.AddArg(x)
 19120  			return true
 19121  		}
 19122  		break
 19123  	}
 19124  	// match: (XOR x x)
 19125  	// result: (MOVDconst [0])
 19126  	for {
 19127  		x := v_0
 19128  		if x != v_1 {
 19129  			break
 19130  		}
 19131  		v.reset(OpARM64MOVDconst)
 19132  		v.AuxInt = int64ToAuxInt(0)
 19133  		return true
 19134  	}
 19135  	// match: (XOR x (MVN y))
 19136  	// result: (EON x y)
 19137  	for {
 19138  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19139  			x := v_0
 19140  			if v_1.Op != OpARM64MVN {
 19141  				continue
 19142  			}
 19143  			y := v_1.Args[0]
 19144  			v.reset(OpARM64EON)
 19145  			v.AddArg2(x, y)
 19146  			return true
 19147  		}
 19148  		break
 19149  	}
 19150  	// match: (XOR x0 x1:(SLLconst [c] y))
 19151  	// cond: clobberIfDead(x1)
 19152  	// result: (XORshiftLL x0 y [c])
 19153  	for {
 19154  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19155  			x0 := v_0
 19156  			x1 := v_1
 19157  			if x1.Op != OpARM64SLLconst {
 19158  				continue
 19159  			}
 19160  			c := auxIntToInt64(x1.AuxInt)
 19161  			y := x1.Args[0]
 19162  			if !(clobberIfDead(x1)) {
 19163  				continue
 19164  			}
 19165  			v.reset(OpARM64XORshiftLL)
 19166  			v.AuxInt = int64ToAuxInt(c)
 19167  			v.AddArg2(x0, y)
 19168  			return true
 19169  		}
 19170  		break
 19171  	}
 19172  	// match: (XOR x0 x1:(SRLconst [c] y))
 19173  	// cond: clobberIfDead(x1)
 19174  	// result: (XORshiftRL x0 y [c])
 19175  	for {
 19176  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19177  			x0 := v_0
 19178  			x1 := v_1
 19179  			if x1.Op != OpARM64SRLconst {
 19180  				continue
 19181  			}
 19182  			c := auxIntToInt64(x1.AuxInt)
 19183  			y := x1.Args[0]
 19184  			if !(clobberIfDead(x1)) {
 19185  				continue
 19186  			}
 19187  			v.reset(OpARM64XORshiftRL)
 19188  			v.AuxInt = int64ToAuxInt(c)
 19189  			v.AddArg2(x0, y)
 19190  			return true
 19191  		}
 19192  		break
 19193  	}
 19194  	// match: (XOR x0 x1:(SRAconst [c] y))
 19195  	// cond: clobberIfDead(x1)
 19196  	// result: (XORshiftRA x0 y [c])
 19197  	for {
 19198  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19199  			x0 := v_0
 19200  			x1 := v_1
 19201  			if x1.Op != OpARM64SRAconst {
 19202  				continue
 19203  			}
 19204  			c := auxIntToInt64(x1.AuxInt)
 19205  			y := x1.Args[0]
 19206  			if !(clobberIfDead(x1)) {
 19207  				continue
 19208  			}
 19209  			v.reset(OpARM64XORshiftRA)
 19210  			v.AuxInt = int64ToAuxInt(c)
 19211  			v.AddArg2(x0, y)
 19212  			return true
 19213  		}
 19214  		break
 19215  	}
 19216  	// match: (XOR x0 x1:(RORconst [c] y))
 19217  	// cond: clobberIfDead(x1)
 19218  	// result: (XORshiftRO x0 y [c])
 19219  	for {
 19220  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19221  			x0 := v_0
 19222  			x1 := v_1
 19223  			if x1.Op != OpARM64RORconst {
 19224  				continue
 19225  			}
 19226  			c := auxIntToInt64(x1.AuxInt)
 19227  			y := x1.Args[0]
 19228  			if !(clobberIfDead(x1)) {
 19229  				continue
 19230  			}
 19231  			v.reset(OpARM64XORshiftRO)
 19232  			v.AuxInt = int64ToAuxInt(c)
 19233  			v.AddArg2(x0, y)
 19234  			return true
 19235  		}
 19236  		break
 19237  	}
 19238  	return false
 19239  }
 19240  func rewriteValueARM64_OpARM64XORconst(v *Value) bool {
 19241  	v_0 := v.Args[0]
 19242  	// match: (XORconst [0] x)
 19243  	// result: x
 19244  	for {
 19245  		if auxIntToInt64(v.AuxInt) != 0 {
 19246  			break
 19247  		}
 19248  		x := v_0
 19249  		v.copyOf(x)
 19250  		return true
 19251  	}
 19252  	// match: (XORconst [-1] x)
 19253  	// result: (MVN x)
 19254  	for {
 19255  		if auxIntToInt64(v.AuxInt) != -1 {
 19256  			break
 19257  		}
 19258  		x := v_0
 19259  		v.reset(OpARM64MVN)
 19260  		v.AddArg(x)
 19261  		return true
 19262  	}
 19263  	// match: (XORconst [c] (MOVDconst [d]))
 19264  	// result: (MOVDconst [c^d])
 19265  	for {
 19266  		c := auxIntToInt64(v.AuxInt)
 19267  		if v_0.Op != OpARM64MOVDconst {
 19268  			break
 19269  		}
 19270  		d := auxIntToInt64(v_0.AuxInt)
 19271  		v.reset(OpARM64MOVDconst)
 19272  		v.AuxInt = int64ToAuxInt(c ^ d)
 19273  		return true
 19274  	}
 19275  	// match: (XORconst [c] (XORconst [d] x))
 19276  	// result: (XORconst [c^d] x)
 19277  	for {
 19278  		c := auxIntToInt64(v.AuxInt)
 19279  		if v_0.Op != OpARM64XORconst {
 19280  			break
 19281  		}
 19282  		d := auxIntToInt64(v_0.AuxInt)
 19283  		x := v_0.Args[0]
 19284  		v.reset(OpARM64XORconst)
 19285  		v.AuxInt = int64ToAuxInt(c ^ d)
 19286  		v.AddArg(x)
 19287  		return true
 19288  	}
 19289  	return false
 19290  }
 19291  func rewriteValueARM64_OpARM64XORshiftLL(v *Value) bool {
 19292  	v_1 := v.Args[1]
 19293  	v_0 := v.Args[0]
 19294  	b := v.Block
 19295  	typ := &b.Func.Config.Types
 19296  	// match: (XORshiftLL (MOVDconst [c]) x [d])
 19297  	// result: (XORconst [c] (SLLconst <x.Type> x [d]))
 19298  	for {
 19299  		d := auxIntToInt64(v.AuxInt)
 19300  		if v_0.Op != OpARM64MOVDconst {
 19301  			break
 19302  		}
 19303  		c := auxIntToInt64(v_0.AuxInt)
 19304  		x := v_1
 19305  		v.reset(OpARM64XORconst)
 19306  		v.AuxInt = int64ToAuxInt(c)
 19307  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 19308  		v0.AuxInt = int64ToAuxInt(d)
 19309  		v0.AddArg(x)
 19310  		v.AddArg(v0)
 19311  		return true
 19312  	}
 19313  	// match: (XORshiftLL x (MOVDconst [c]) [d])
 19314  	// result: (XORconst x [int64(uint64(c)<<uint64(d))])
 19315  	for {
 19316  		d := auxIntToInt64(v.AuxInt)
 19317  		x := v_0
 19318  		if v_1.Op != OpARM64MOVDconst {
 19319  			break
 19320  		}
 19321  		c := auxIntToInt64(v_1.AuxInt)
 19322  		v.reset(OpARM64XORconst)
 19323  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 19324  		v.AddArg(x)
 19325  		return true
 19326  	}
 19327  	// match: (XORshiftLL (SLLconst x [c]) x [c])
 19328  	// result: (MOVDconst [0])
 19329  	for {
 19330  		c := auxIntToInt64(v.AuxInt)
 19331  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 19332  			break
 19333  		}
 19334  		x := v_0.Args[0]
 19335  		if x != v_1 {
 19336  			break
 19337  		}
 19338  		v.reset(OpARM64MOVDconst)
 19339  		v.AuxInt = int64ToAuxInt(0)
 19340  		return true
 19341  	}
 19342  	// match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 19343  	// result: (REV16W x)
 19344  	for {
 19345  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 19346  			break
 19347  		}
 19348  		x := v_0.Args[0]
 19349  		if x != v_1 {
 19350  			break
 19351  		}
 19352  		v.reset(OpARM64REV16W)
 19353  		v.AddArg(x)
 19354  		return true
 19355  	}
 19356  	// match: (XORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 19357  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 19358  	// result: (REV16W x)
 19359  	for {
 19360  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 19361  			break
 19362  		}
 19363  		v_0_0 := v_0.Args[0]
 19364  		if v_0_0.Op != OpARM64ANDconst {
 19365  			break
 19366  		}
 19367  		c1 := auxIntToInt64(v_0_0.AuxInt)
 19368  		x := v_0_0.Args[0]
 19369  		if v_1.Op != OpARM64ANDconst {
 19370  			break
 19371  		}
 19372  		c2 := auxIntToInt64(v_1.AuxInt)
 19373  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 19374  			break
 19375  		}
 19376  		v.reset(OpARM64REV16W)
 19377  		v.AddArg(x)
 19378  		return true
 19379  	}
 19380  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 19381  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 19382  	// result: (REV16 x)
 19383  	for {
 19384  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 19385  			break
 19386  		}
 19387  		v_0_0 := v_0.Args[0]
 19388  		if v_0_0.Op != OpARM64ANDconst {
 19389  			break
 19390  		}
 19391  		c1 := auxIntToInt64(v_0_0.AuxInt)
 19392  		x := v_0_0.Args[0]
 19393  		if v_1.Op != OpARM64ANDconst {
 19394  			break
 19395  		}
 19396  		c2 := auxIntToInt64(v_1.AuxInt)
 19397  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 19398  			break
 19399  		}
 19400  		v.reset(OpARM64REV16)
 19401  		v.AddArg(x)
 19402  		return true
 19403  	}
 19404  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 19405  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 19406  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 19407  	for {
 19408  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 19409  			break
 19410  		}
 19411  		v_0_0 := v_0.Args[0]
 19412  		if v_0_0.Op != OpARM64ANDconst {
 19413  			break
 19414  		}
 19415  		c1 := auxIntToInt64(v_0_0.AuxInt)
 19416  		x := v_0_0.Args[0]
 19417  		if v_1.Op != OpARM64ANDconst {
 19418  			break
 19419  		}
 19420  		c2 := auxIntToInt64(v_1.AuxInt)
 19421  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 19422  			break
 19423  		}
 19424  		v.reset(OpARM64REV16)
 19425  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 19426  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 19427  		v0.AddArg(x)
 19428  		v.AddArg(v0)
 19429  		return true
 19430  	}
 19431  	// match: (XORshiftLL [c] (SRLconst x [64-c]) x2)
 19432  	// result: (EXTRconst [64-c] x2 x)
 19433  	for {
 19434  		c := auxIntToInt64(v.AuxInt)
 19435  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 19436  			break
 19437  		}
 19438  		x := v_0.Args[0]
 19439  		x2 := v_1
 19440  		v.reset(OpARM64EXTRconst)
 19441  		v.AuxInt = int64ToAuxInt(64 - c)
 19442  		v.AddArg2(x2, x)
 19443  		return true
 19444  	}
 19445  	// match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2)
 19446  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 19447  	// result: (EXTRWconst [32-c] x2 x)
 19448  	for {
 19449  		t := v.Type
 19450  		c := auxIntToInt64(v.AuxInt)
 19451  		if v_0.Op != OpARM64UBFX {
 19452  			break
 19453  		}
 19454  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 19455  		x := v_0.Args[0]
 19456  		x2 := v_1
 19457  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 19458  			break
 19459  		}
 19460  		v.reset(OpARM64EXTRWconst)
 19461  		v.AuxInt = int64ToAuxInt(32 - c)
 19462  		v.AddArg2(x2, x)
 19463  		return true
 19464  	}
 19465  	return false
 19466  }
 19467  func rewriteValueARM64_OpARM64XORshiftRA(v *Value) bool {
 19468  	v_1 := v.Args[1]
 19469  	v_0 := v.Args[0]
 19470  	b := v.Block
 19471  	// match: (XORshiftRA (MOVDconst [c]) x [d])
 19472  	// result: (XORconst [c] (SRAconst <x.Type> x [d]))
 19473  	for {
 19474  		d := auxIntToInt64(v.AuxInt)
 19475  		if v_0.Op != OpARM64MOVDconst {
 19476  			break
 19477  		}
 19478  		c := auxIntToInt64(v_0.AuxInt)
 19479  		x := v_1
 19480  		v.reset(OpARM64XORconst)
 19481  		v.AuxInt = int64ToAuxInt(c)
 19482  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 19483  		v0.AuxInt = int64ToAuxInt(d)
 19484  		v0.AddArg(x)
 19485  		v.AddArg(v0)
 19486  		return true
 19487  	}
 19488  	// match: (XORshiftRA x (MOVDconst [c]) [d])
 19489  	// result: (XORconst x [c>>uint64(d)])
 19490  	for {
 19491  		d := auxIntToInt64(v.AuxInt)
 19492  		x := v_0
 19493  		if v_1.Op != OpARM64MOVDconst {
 19494  			break
 19495  		}
 19496  		c := auxIntToInt64(v_1.AuxInt)
 19497  		v.reset(OpARM64XORconst)
 19498  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 19499  		v.AddArg(x)
 19500  		return true
 19501  	}
 19502  	// match: (XORshiftRA (SRAconst x [c]) x [c])
 19503  	// result: (MOVDconst [0])
 19504  	for {
 19505  		c := auxIntToInt64(v.AuxInt)
 19506  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 19507  			break
 19508  		}
 19509  		x := v_0.Args[0]
 19510  		if x != v_1 {
 19511  			break
 19512  		}
 19513  		v.reset(OpARM64MOVDconst)
 19514  		v.AuxInt = int64ToAuxInt(0)
 19515  		return true
 19516  	}
 19517  	return false
 19518  }
 19519  func rewriteValueARM64_OpARM64XORshiftRL(v *Value) bool {
 19520  	v_1 := v.Args[1]
 19521  	v_0 := v.Args[0]
 19522  	b := v.Block
 19523  	// match: (XORshiftRL (MOVDconst [c]) x [d])
 19524  	// result: (XORconst [c] (SRLconst <x.Type> x [d]))
 19525  	for {
 19526  		d := auxIntToInt64(v.AuxInt)
 19527  		if v_0.Op != OpARM64MOVDconst {
 19528  			break
 19529  		}
 19530  		c := auxIntToInt64(v_0.AuxInt)
 19531  		x := v_1
 19532  		v.reset(OpARM64XORconst)
 19533  		v.AuxInt = int64ToAuxInt(c)
 19534  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 19535  		v0.AuxInt = int64ToAuxInt(d)
 19536  		v0.AddArg(x)
 19537  		v.AddArg(v0)
 19538  		return true
 19539  	}
 19540  	// match: (XORshiftRL x (MOVDconst [c]) [d])
 19541  	// result: (XORconst x [int64(uint64(c)>>uint64(d))])
 19542  	for {
 19543  		d := auxIntToInt64(v.AuxInt)
 19544  		x := v_0
 19545  		if v_1.Op != OpARM64MOVDconst {
 19546  			break
 19547  		}
 19548  		c := auxIntToInt64(v_1.AuxInt)
 19549  		v.reset(OpARM64XORconst)
 19550  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 19551  		v.AddArg(x)
 19552  		return true
 19553  	}
 19554  	// match: (XORshiftRL (SRLconst x [c]) x [c])
 19555  	// result: (MOVDconst [0])
 19556  	for {
 19557  		c := auxIntToInt64(v.AuxInt)
 19558  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 19559  			break
 19560  		}
 19561  		x := v_0.Args[0]
 19562  		if x != v_1 {
 19563  			break
 19564  		}
 19565  		v.reset(OpARM64MOVDconst)
 19566  		v.AuxInt = int64ToAuxInt(0)
 19567  		return true
 19568  	}
 19569  	return false
 19570  }
 19571  func rewriteValueARM64_OpARM64XORshiftRO(v *Value) bool {
 19572  	v_1 := v.Args[1]
 19573  	v_0 := v.Args[0]
 19574  	b := v.Block
 19575  	// match: (XORshiftRO (MOVDconst [c]) x [d])
 19576  	// result: (XORconst [c] (RORconst <x.Type> x [d]))
 19577  	for {
 19578  		d := auxIntToInt64(v.AuxInt)
 19579  		if v_0.Op != OpARM64MOVDconst {
 19580  			break
 19581  		}
 19582  		c := auxIntToInt64(v_0.AuxInt)
 19583  		x := v_1
 19584  		v.reset(OpARM64XORconst)
 19585  		v.AuxInt = int64ToAuxInt(c)
 19586  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 19587  		v0.AuxInt = int64ToAuxInt(d)
 19588  		v0.AddArg(x)
 19589  		v.AddArg(v0)
 19590  		return true
 19591  	}
 19592  	// match: (XORshiftRO x (MOVDconst [c]) [d])
 19593  	// result: (XORconst x [rotateRight64(c, d)])
 19594  	for {
 19595  		d := auxIntToInt64(v.AuxInt)
 19596  		x := v_0
 19597  		if v_1.Op != OpARM64MOVDconst {
 19598  			break
 19599  		}
 19600  		c := auxIntToInt64(v_1.AuxInt)
 19601  		v.reset(OpARM64XORconst)
 19602  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 19603  		v.AddArg(x)
 19604  		return true
 19605  	}
 19606  	// match: (XORshiftRO (RORconst x [c]) x [c])
 19607  	// result: (MOVDconst [0])
 19608  	for {
 19609  		c := auxIntToInt64(v.AuxInt)
 19610  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 19611  			break
 19612  		}
 19613  		x := v_0.Args[0]
 19614  		if x != v_1 {
 19615  			break
 19616  		}
 19617  		v.reset(OpARM64MOVDconst)
 19618  		v.AuxInt = int64ToAuxInt(0)
 19619  		return true
 19620  	}
 19621  	return false
 19622  }
 19623  func rewriteValueARM64_OpAddr(v *Value) bool {
 19624  	v_0 := v.Args[0]
 19625  	// match: (Addr {sym} base)
 19626  	// result: (MOVDaddr {sym} base)
 19627  	for {
 19628  		sym := auxToSym(v.Aux)
 19629  		base := v_0
 19630  		v.reset(OpARM64MOVDaddr)
 19631  		v.Aux = symToAux(sym)
 19632  		v.AddArg(base)
 19633  		return true
 19634  	}
 19635  }
 19636  func rewriteValueARM64_OpAvg64u(v *Value) bool {
 19637  	v_1 := v.Args[1]
 19638  	v_0 := v.Args[0]
 19639  	b := v.Block
 19640  	// match: (Avg64u <t> x y)
 19641  	// result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y)
 19642  	for {
 19643  		t := v.Type
 19644  		x := v_0
 19645  		y := v_1
 19646  		v.reset(OpARM64ADD)
 19647  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t)
 19648  		v0.AuxInt = int64ToAuxInt(1)
 19649  		v1 := b.NewValue0(v.Pos, OpARM64SUB, t)
 19650  		v1.AddArg2(x, y)
 19651  		v0.AddArg(v1)
 19652  		v.AddArg2(v0, y)
 19653  		return true
 19654  	}
 19655  }
 19656  func rewriteValueARM64_OpBitLen16(v *Value) bool {
 19657  	v_0 := v.Args[0]
 19658  	b := v.Block
 19659  	typ := &b.Func.Config.Types
 19660  	// match: (BitLen16 x)
 19661  	// result: (BitLen64 (ZeroExt16to64 x))
 19662  	for {
 19663  		x := v_0
 19664  		v.reset(OpBitLen64)
 19665  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19666  		v0.AddArg(x)
 19667  		v.AddArg(v0)
 19668  		return true
 19669  	}
 19670  }
 19671  func rewriteValueARM64_OpBitLen32(v *Value) bool {
 19672  	v_0 := v.Args[0]
 19673  	b := v.Block
 19674  	typ := &b.Func.Config.Types
 19675  	// match: (BitLen32 x)
 19676  	// result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x))
 19677  	for {
 19678  		x := v_0
 19679  		v.reset(OpARM64SUB)
 19680  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19681  		v0.AuxInt = int64ToAuxInt(32)
 19682  		v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int)
 19683  		v1.AddArg(x)
 19684  		v.AddArg2(v0, v1)
 19685  		return true
 19686  	}
 19687  }
 19688  func rewriteValueARM64_OpBitLen64(v *Value) bool {
 19689  	v_0 := v.Args[0]
 19690  	b := v.Block
 19691  	typ := &b.Func.Config.Types
 19692  	// match: (BitLen64 x)
 19693  	// result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x))
 19694  	for {
 19695  		x := v_0
 19696  		v.reset(OpARM64SUB)
 19697  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19698  		v0.AuxInt = int64ToAuxInt(64)
 19699  		v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int)
 19700  		v1.AddArg(x)
 19701  		v.AddArg2(v0, v1)
 19702  		return true
 19703  	}
 19704  }
 19705  func rewriteValueARM64_OpBitLen8(v *Value) bool {
 19706  	v_0 := v.Args[0]
 19707  	b := v.Block
 19708  	typ := &b.Func.Config.Types
 19709  	// match: (BitLen8 x)
 19710  	// result: (BitLen64 (ZeroExt8to64 x))
 19711  	for {
 19712  		x := v_0
 19713  		v.reset(OpBitLen64)
 19714  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19715  		v0.AddArg(x)
 19716  		v.AddArg(v0)
 19717  		return true
 19718  	}
 19719  }
 19720  func rewriteValueARM64_OpBitRev16(v *Value) bool {
 19721  	v_0 := v.Args[0]
 19722  	b := v.Block
 19723  	typ := &b.Func.Config.Types
 19724  	// match: (BitRev16 x)
 19725  	// result: (SRLconst [48] (RBIT <typ.UInt64> x))
 19726  	for {
 19727  		x := v_0
 19728  		v.reset(OpARM64SRLconst)
 19729  		v.AuxInt = int64ToAuxInt(48)
 19730  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 19731  		v0.AddArg(x)
 19732  		v.AddArg(v0)
 19733  		return true
 19734  	}
 19735  }
 19736  func rewriteValueARM64_OpBitRev8(v *Value) bool {
 19737  	v_0 := v.Args[0]
 19738  	b := v.Block
 19739  	typ := &b.Func.Config.Types
 19740  	// match: (BitRev8 x)
 19741  	// result: (SRLconst [56] (RBIT <typ.UInt64> x))
 19742  	for {
 19743  		x := v_0
 19744  		v.reset(OpARM64SRLconst)
 19745  		v.AuxInt = int64ToAuxInt(56)
 19746  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 19747  		v0.AddArg(x)
 19748  		v.AddArg(v0)
 19749  		return true
 19750  	}
 19751  }
 19752  func rewriteValueARM64_OpCondSelect(v *Value) bool {
 19753  	v_2 := v.Args[2]
 19754  	v_1 := v.Args[1]
 19755  	v_0 := v.Args[0]
 19756  	b := v.Block
 19757  	// match: (CondSelect x y boolval)
 19758  	// cond: flagArg(boolval) != nil
 19759  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
 19760  	for {
 19761  		x := v_0
 19762  		y := v_1
 19763  		boolval := v_2
 19764  		if !(flagArg(boolval) != nil) {
 19765  			break
 19766  		}
 19767  		v.reset(OpARM64CSEL)
 19768  		v.AuxInt = opToAuxInt(boolval.Op)
 19769  		v.AddArg3(x, y, flagArg(boolval))
 19770  		return true
 19771  	}
 19772  	// match: (CondSelect x y boolval)
 19773  	// cond: flagArg(boolval) == nil
 19774  	// result: (CSEL [OpARM64NotEqual] x y (TSTWconst [1] boolval))
 19775  	for {
 19776  		x := v_0
 19777  		y := v_1
 19778  		boolval := v_2
 19779  		if !(flagArg(boolval) == nil) {
 19780  			break
 19781  		}
 19782  		v.reset(OpARM64CSEL)
 19783  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
 19784  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 19785  		v0.AuxInt = int32ToAuxInt(1)
 19786  		v0.AddArg(boolval)
 19787  		v.AddArg3(x, y, v0)
 19788  		return true
 19789  	}
 19790  	return false
 19791  }
 19792  func rewriteValueARM64_OpConst16(v *Value) bool {
 19793  	// match: (Const16 [val])
 19794  	// result: (MOVDconst [int64(val)])
 19795  	for {
 19796  		val := auxIntToInt16(v.AuxInt)
 19797  		v.reset(OpARM64MOVDconst)
 19798  		v.AuxInt = int64ToAuxInt(int64(val))
 19799  		return true
 19800  	}
 19801  }
 19802  func rewriteValueARM64_OpConst32(v *Value) bool {
 19803  	// match: (Const32 [val])
 19804  	// result: (MOVDconst [int64(val)])
 19805  	for {
 19806  		val := auxIntToInt32(v.AuxInt)
 19807  		v.reset(OpARM64MOVDconst)
 19808  		v.AuxInt = int64ToAuxInt(int64(val))
 19809  		return true
 19810  	}
 19811  }
 19812  func rewriteValueARM64_OpConst32F(v *Value) bool {
 19813  	// match: (Const32F [val])
 19814  	// result: (FMOVSconst [float64(val)])
 19815  	for {
 19816  		val := auxIntToFloat32(v.AuxInt)
 19817  		v.reset(OpARM64FMOVSconst)
 19818  		v.AuxInt = float64ToAuxInt(float64(val))
 19819  		return true
 19820  	}
 19821  }
 19822  func rewriteValueARM64_OpConst64(v *Value) bool {
 19823  	// match: (Const64 [val])
 19824  	// result: (MOVDconst [int64(val)])
 19825  	for {
 19826  		val := auxIntToInt64(v.AuxInt)
 19827  		v.reset(OpARM64MOVDconst)
 19828  		v.AuxInt = int64ToAuxInt(int64(val))
 19829  		return true
 19830  	}
 19831  }
 19832  func rewriteValueARM64_OpConst64F(v *Value) bool {
 19833  	// match: (Const64F [val])
 19834  	// result: (FMOVDconst [float64(val)])
 19835  	for {
 19836  		val := auxIntToFloat64(v.AuxInt)
 19837  		v.reset(OpARM64FMOVDconst)
 19838  		v.AuxInt = float64ToAuxInt(float64(val))
 19839  		return true
 19840  	}
 19841  }
 19842  func rewriteValueARM64_OpConst8(v *Value) bool {
 19843  	// match: (Const8 [val])
 19844  	// result: (MOVDconst [int64(val)])
 19845  	for {
 19846  		val := auxIntToInt8(v.AuxInt)
 19847  		v.reset(OpARM64MOVDconst)
 19848  		v.AuxInt = int64ToAuxInt(int64(val))
 19849  		return true
 19850  	}
 19851  }
 19852  func rewriteValueARM64_OpConstBool(v *Value) bool {
 19853  	// match: (ConstBool [t])
 19854  	// result: (MOVDconst [b2i(t)])
 19855  	for {
 19856  		t := auxIntToBool(v.AuxInt)
 19857  		v.reset(OpARM64MOVDconst)
 19858  		v.AuxInt = int64ToAuxInt(b2i(t))
 19859  		return true
 19860  	}
 19861  }
 19862  func rewriteValueARM64_OpConstNil(v *Value) bool {
 19863  	// match: (ConstNil)
 19864  	// result: (MOVDconst [0])
 19865  	for {
 19866  		v.reset(OpARM64MOVDconst)
 19867  		v.AuxInt = int64ToAuxInt(0)
 19868  		return true
 19869  	}
 19870  }
 19871  func rewriteValueARM64_OpCtz16(v *Value) bool {
 19872  	v_0 := v.Args[0]
 19873  	b := v.Block
 19874  	typ := &b.Func.Config.Types
 19875  	// match: (Ctz16 <t> x)
 19876  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x10000] x)))
 19877  	for {
 19878  		t := v.Type
 19879  		x := v_0
 19880  		v.reset(OpARM64CLZW)
 19881  		v.Type = t
 19882  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 19883  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 19884  		v1.AuxInt = int64ToAuxInt(0x10000)
 19885  		v1.AddArg(x)
 19886  		v0.AddArg(v1)
 19887  		v.AddArg(v0)
 19888  		return true
 19889  	}
 19890  }
 19891  func rewriteValueARM64_OpCtz32(v *Value) bool {
 19892  	v_0 := v.Args[0]
 19893  	b := v.Block
 19894  	// match: (Ctz32 <t> x)
 19895  	// result: (CLZW (RBITW <t> x))
 19896  	for {
 19897  		t := v.Type
 19898  		x := v_0
 19899  		v.reset(OpARM64CLZW)
 19900  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, t)
 19901  		v0.AddArg(x)
 19902  		v.AddArg(v0)
 19903  		return true
 19904  	}
 19905  }
 19906  func rewriteValueARM64_OpCtz64(v *Value) bool {
 19907  	v_0 := v.Args[0]
 19908  	b := v.Block
 19909  	// match: (Ctz64 <t> x)
 19910  	// result: (CLZ (RBIT <t> x))
 19911  	for {
 19912  		t := v.Type
 19913  		x := v_0
 19914  		v.reset(OpARM64CLZ)
 19915  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, t)
 19916  		v0.AddArg(x)
 19917  		v.AddArg(v0)
 19918  		return true
 19919  	}
 19920  }
 19921  func rewriteValueARM64_OpCtz8(v *Value) bool {
 19922  	v_0 := v.Args[0]
 19923  	b := v.Block
 19924  	typ := &b.Func.Config.Types
 19925  	// match: (Ctz8 <t> x)
 19926  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x100] x)))
 19927  	for {
 19928  		t := v.Type
 19929  		x := v_0
 19930  		v.reset(OpARM64CLZW)
 19931  		v.Type = t
 19932  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 19933  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 19934  		v1.AuxInt = int64ToAuxInt(0x100)
 19935  		v1.AddArg(x)
 19936  		v0.AddArg(v1)
 19937  		v.AddArg(v0)
 19938  		return true
 19939  	}
 19940  }
 19941  func rewriteValueARM64_OpDiv16(v *Value) bool {
 19942  	v_1 := v.Args[1]
 19943  	v_0 := v.Args[0]
 19944  	b := v.Block
 19945  	typ := &b.Func.Config.Types
 19946  	// match: (Div16 [false] x y)
 19947  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
 19948  	for {
 19949  		if auxIntToBool(v.AuxInt) != false {
 19950  			break
 19951  		}
 19952  		x := v_0
 19953  		y := v_1
 19954  		v.reset(OpARM64DIVW)
 19955  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19956  		v0.AddArg(x)
 19957  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19958  		v1.AddArg(y)
 19959  		v.AddArg2(v0, v1)
 19960  		return true
 19961  	}
 19962  	return false
 19963  }
 19964  func rewriteValueARM64_OpDiv16u(v *Value) bool {
 19965  	v_1 := v.Args[1]
 19966  	v_0 := v.Args[0]
 19967  	b := v.Block
 19968  	typ := &b.Func.Config.Types
 19969  	// match: (Div16u x y)
 19970  	// result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y))
 19971  	for {
 19972  		x := v_0
 19973  		y := v_1
 19974  		v.reset(OpARM64UDIVW)
 19975  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19976  		v0.AddArg(x)
 19977  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19978  		v1.AddArg(y)
 19979  		v.AddArg2(v0, v1)
 19980  		return true
 19981  	}
 19982  }
 19983  func rewriteValueARM64_OpDiv32(v *Value) bool {
 19984  	v_1 := v.Args[1]
 19985  	v_0 := v.Args[0]
 19986  	// match: (Div32 [false] x y)
 19987  	// result: (DIVW x y)
 19988  	for {
 19989  		if auxIntToBool(v.AuxInt) != false {
 19990  			break
 19991  		}
 19992  		x := v_0
 19993  		y := v_1
 19994  		v.reset(OpARM64DIVW)
 19995  		v.AddArg2(x, y)
 19996  		return true
 19997  	}
 19998  	return false
 19999  }
 20000  func rewriteValueARM64_OpDiv64(v *Value) bool {
 20001  	v_1 := v.Args[1]
 20002  	v_0 := v.Args[0]
 20003  	// match: (Div64 [false] x y)
 20004  	// result: (DIV x y)
 20005  	for {
 20006  		if auxIntToBool(v.AuxInt) != false {
 20007  			break
 20008  		}
 20009  		x := v_0
 20010  		y := v_1
 20011  		v.reset(OpARM64DIV)
 20012  		v.AddArg2(x, y)
 20013  		return true
 20014  	}
 20015  	return false
 20016  }
 20017  func rewriteValueARM64_OpDiv8(v *Value) bool {
 20018  	v_1 := v.Args[1]
 20019  	v_0 := v.Args[0]
 20020  	b := v.Block
 20021  	typ := &b.Func.Config.Types
 20022  	// match: (Div8 x y)
 20023  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
 20024  	for {
 20025  		x := v_0
 20026  		y := v_1
 20027  		v.reset(OpARM64DIVW)
 20028  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20029  		v0.AddArg(x)
 20030  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20031  		v1.AddArg(y)
 20032  		v.AddArg2(v0, v1)
 20033  		return true
 20034  	}
 20035  }
 20036  func rewriteValueARM64_OpDiv8u(v *Value) bool {
 20037  	v_1 := v.Args[1]
 20038  	v_0 := v.Args[0]
 20039  	b := v.Block
 20040  	typ := &b.Func.Config.Types
 20041  	// match: (Div8u x y)
 20042  	// result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y))
 20043  	for {
 20044  		x := v_0
 20045  		y := v_1
 20046  		v.reset(OpARM64UDIVW)
 20047  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20048  		v0.AddArg(x)
 20049  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20050  		v1.AddArg(y)
 20051  		v.AddArg2(v0, v1)
 20052  		return true
 20053  	}
 20054  }
 20055  func rewriteValueARM64_OpEq16(v *Value) bool {
 20056  	v_1 := v.Args[1]
 20057  	v_0 := v.Args[0]
 20058  	b := v.Block
 20059  	typ := &b.Func.Config.Types
 20060  	// match: (Eq16 x y)
 20061  	// result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20062  	for {
 20063  		x := v_0
 20064  		y := v_1
 20065  		v.reset(OpARM64Equal)
 20066  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20067  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20068  		v1.AddArg(x)
 20069  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20070  		v2.AddArg(y)
 20071  		v0.AddArg2(v1, v2)
 20072  		v.AddArg(v0)
 20073  		return true
 20074  	}
 20075  }
 20076  func rewriteValueARM64_OpEq32(v *Value) bool {
 20077  	v_1 := v.Args[1]
 20078  	v_0 := v.Args[0]
 20079  	b := v.Block
 20080  	// match: (Eq32 x y)
 20081  	// result: (Equal (CMPW x y))
 20082  	for {
 20083  		x := v_0
 20084  		y := v_1
 20085  		v.reset(OpARM64Equal)
 20086  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20087  		v0.AddArg2(x, y)
 20088  		v.AddArg(v0)
 20089  		return true
 20090  	}
 20091  }
 20092  func rewriteValueARM64_OpEq32F(v *Value) bool {
 20093  	v_1 := v.Args[1]
 20094  	v_0 := v.Args[0]
 20095  	b := v.Block
 20096  	// match: (Eq32F x y)
 20097  	// result: (Equal (FCMPS x y))
 20098  	for {
 20099  		x := v_0
 20100  		y := v_1
 20101  		v.reset(OpARM64Equal)
 20102  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20103  		v0.AddArg2(x, y)
 20104  		v.AddArg(v0)
 20105  		return true
 20106  	}
 20107  }
 20108  func rewriteValueARM64_OpEq64(v *Value) bool {
 20109  	v_1 := v.Args[1]
 20110  	v_0 := v.Args[0]
 20111  	b := v.Block
 20112  	// match: (Eq64 x y)
 20113  	// result: (Equal (CMP x y))
 20114  	for {
 20115  		x := v_0
 20116  		y := v_1
 20117  		v.reset(OpARM64Equal)
 20118  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20119  		v0.AddArg2(x, y)
 20120  		v.AddArg(v0)
 20121  		return true
 20122  	}
 20123  }
 20124  func rewriteValueARM64_OpEq64F(v *Value) bool {
 20125  	v_1 := v.Args[1]
 20126  	v_0 := v.Args[0]
 20127  	b := v.Block
 20128  	// match: (Eq64F x y)
 20129  	// result: (Equal (FCMPD x y))
 20130  	for {
 20131  		x := v_0
 20132  		y := v_1
 20133  		v.reset(OpARM64Equal)
 20134  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20135  		v0.AddArg2(x, y)
 20136  		v.AddArg(v0)
 20137  		return true
 20138  	}
 20139  }
 20140  func rewriteValueARM64_OpEq8(v *Value) bool {
 20141  	v_1 := v.Args[1]
 20142  	v_0 := v.Args[0]
 20143  	b := v.Block
 20144  	typ := &b.Func.Config.Types
 20145  	// match: (Eq8 x y)
 20146  	// result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20147  	for {
 20148  		x := v_0
 20149  		y := v_1
 20150  		v.reset(OpARM64Equal)
 20151  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20152  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20153  		v1.AddArg(x)
 20154  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20155  		v2.AddArg(y)
 20156  		v0.AddArg2(v1, v2)
 20157  		v.AddArg(v0)
 20158  		return true
 20159  	}
 20160  }
 20161  func rewriteValueARM64_OpEqB(v *Value) bool {
 20162  	v_1 := v.Args[1]
 20163  	v_0 := v.Args[0]
 20164  	b := v.Block
 20165  	typ := &b.Func.Config.Types
 20166  	// match: (EqB x y)
 20167  	// result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y))
 20168  	for {
 20169  		x := v_0
 20170  		y := v_1
 20171  		v.reset(OpARM64XOR)
 20172  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20173  		v0.AuxInt = int64ToAuxInt(1)
 20174  		v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool)
 20175  		v1.AddArg2(x, y)
 20176  		v.AddArg2(v0, v1)
 20177  		return true
 20178  	}
 20179  }
 20180  func rewriteValueARM64_OpEqPtr(v *Value) bool {
 20181  	v_1 := v.Args[1]
 20182  	v_0 := v.Args[0]
 20183  	b := v.Block
 20184  	// match: (EqPtr x y)
 20185  	// result: (Equal (CMP x y))
 20186  	for {
 20187  		x := v_0
 20188  		y := v_1
 20189  		v.reset(OpARM64Equal)
 20190  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20191  		v0.AddArg2(x, y)
 20192  		v.AddArg(v0)
 20193  		return true
 20194  	}
 20195  }
 20196  func rewriteValueARM64_OpFMA(v *Value) bool {
 20197  	v_2 := v.Args[2]
 20198  	v_1 := v.Args[1]
 20199  	v_0 := v.Args[0]
 20200  	// match: (FMA x y z)
 20201  	// result: (FMADDD z x y)
 20202  	for {
 20203  		x := v_0
 20204  		y := v_1
 20205  		z := v_2
 20206  		v.reset(OpARM64FMADDD)
 20207  		v.AddArg3(z, x, y)
 20208  		return true
 20209  	}
 20210  }
 20211  func rewriteValueARM64_OpHmul32(v *Value) bool {
 20212  	v_1 := v.Args[1]
 20213  	v_0 := v.Args[0]
 20214  	b := v.Block
 20215  	typ := &b.Func.Config.Types
 20216  	// match: (Hmul32 x y)
 20217  	// result: (SRAconst (MULL <typ.Int64> x y) [32])
 20218  	for {
 20219  		x := v_0
 20220  		y := v_1
 20221  		v.reset(OpARM64SRAconst)
 20222  		v.AuxInt = int64ToAuxInt(32)
 20223  		v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64)
 20224  		v0.AddArg2(x, y)
 20225  		v.AddArg(v0)
 20226  		return true
 20227  	}
 20228  }
 20229  func rewriteValueARM64_OpHmul32u(v *Value) bool {
 20230  	v_1 := v.Args[1]
 20231  	v_0 := v.Args[0]
 20232  	b := v.Block
 20233  	typ := &b.Func.Config.Types
 20234  	// match: (Hmul32u x y)
 20235  	// result: (SRAconst (UMULL <typ.UInt64> x y) [32])
 20236  	for {
 20237  		x := v_0
 20238  		y := v_1
 20239  		v.reset(OpARM64SRAconst)
 20240  		v.AuxInt = int64ToAuxInt(32)
 20241  		v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64)
 20242  		v0.AddArg2(x, y)
 20243  		v.AddArg(v0)
 20244  		return true
 20245  	}
 20246  }
 20247  func rewriteValueARM64_OpIsInBounds(v *Value) bool {
 20248  	v_1 := v.Args[1]
 20249  	v_0 := v.Args[0]
 20250  	b := v.Block
 20251  	// match: (IsInBounds idx len)
 20252  	// result: (LessThanU (CMP idx len))
 20253  	for {
 20254  		idx := v_0
 20255  		len := v_1
 20256  		v.reset(OpARM64LessThanU)
 20257  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20258  		v0.AddArg2(idx, len)
 20259  		v.AddArg(v0)
 20260  		return true
 20261  	}
 20262  }
 20263  func rewriteValueARM64_OpIsNonNil(v *Value) bool {
 20264  	v_0 := v.Args[0]
 20265  	b := v.Block
 20266  	// match: (IsNonNil ptr)
 20267  	// result: (NotEqual (CMPconst [0] ptr))
 20268  	for {
 20269  		ptr := v_0
 20270  		v.reset(OpARM64NotEqual)
 20271  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20272  		v0.AuxInt = int64ToAuxInt(0)
 20273  		v0.AddArg(ptr)
 20274  		v.AddArg(v0)
 20275  		return true
 20276  	}
 20277  }
 20278  func rewriteValueARM64_OpIsSliceInBounds(v *Value) bool {
 20279  	v_1 := v.Args[1]
 20280  	v_0 := v.Args[0]
 20281  	b := v.Block
 20282  	// match: (IsSliceInBounds idx len)
 20283  	// result: (LessEqualU (CMP idx len))
 20284  	for {
 20285  		idx := v_0
 20286  		len := v_1
 20287  		v.reset(OpARM64LessEqualU)
 20288  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20289  		v0.AddArg2(idx, len)
 20290  		v.AddArg(v0)
 20291  		return true
 20292  	}
 20293  }
 20294  func rewriteValueARM64_OpLeq16(v *Value) bool {
 20295  	v_1 := v.Args[1]
 20296  	v_0 := v.Args[0]
 20297  	b := v.Block
 20298  	typ := &b.Func.Config.Types
 20299  	// match: (Leq16 x y)
 20300  	// result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 20301  	for {
 20302  		x := v_0
 20303  		y := v_1
 20304  		v.reset(OpARM64LessEqual)
 20305  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20306  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20307  		v1.AddArg(x)
 20308  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20309  		v2.AddArg(y)
 20310  		v0.AddArg2(v1, v2)
 20311  		v.AddArg(v0)
 20312  		return true
 20313  	}
 20314  }
 20315  func rewriteValueARM64_OpLeq16U(v *Value) bool {
 20316  	v_1 := v.Args[1]
 20317  	v_0 := v.Args[0]
 20318  	b := v.Block
 20319  	typ := &b.Func.Config.Types
 20320  	// match: (Leq16U x zero:(MOVDconst [0]))
 20321  	// result: (Eq16 x zero)
 20322  	for {
 20323  		x := v_0
 20324  		zero := v_1
 20325  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20326  			break
 20327  		}
 20328  		v.reset(OpEq16)
 20329  		v.AddArg2(x, zero)
 20330  		return true
 20331  	}
 20332  	// match: (Leq16U (MOVDconst [1]) x)
 20333  	// result: (Neq16 (MOVDconst [0]) x)
 20334  	for {
 20335  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20336  			break
 20337  		}
 20338  		x := v_1
 20339  		v.reset(OpNeq16)
 20340  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20341  		v0.AuxInt = int64ToAuxInt(0)
 20342  		v.AddArg2(v0, x)
 20343  		return true
 20344  	}
 20345  	// match: (Leq16U x y)
 20346  	// result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20347  	for {
 20348  		x := v_0
 20349  		y := v_1
 20350  		v.reset(OpARM64LessEqualU)
 20351  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20352  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20353  		v1.AddArg(x)
 20354  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20355  		v2.AddArg(y)
 20356  		v0.AddArg2(v1, v2)
 20357  		v.AddArg(v0)
 20358  		return true
 20359  	}
 20360  }
 20361  func rewriteValueARM64_OpLeq32(v *Value) bool {
 20362  	v_1 := v.Args[1]
 20363  	v_0 := v.Args[0]
 20364  	b := v.Block
 20365  	// match: (Leq32 x y)
 20366  	// result: (LessEqual (CMPW x y))
 20367  	for {
 20368  		x := v_0
 20369  		y := v_1
 20370  		v.reset(OpARM64LessEqual)
 20371  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20372  		v0.AddArg2(x, y)
 20373  		v.AddArg(v0)
 20374  		return true
 20375  	}
 20376  }
 20377  func rewriteValueARM64_OpLeq32F(v *Value) bool {
 20378  	v_1 := v.Args[1]
 20379  	v_0 := v.Args[0]
 20380  	b := v.Block
 20381  	// match: (Leq32F x y)
 20382  	// result: (LessEqualF (FCMPS x y))
 20383  	for {
 20384  		x := v_0
 20385  		y := v_1
 20386  		v.reset(OpARM64LessEqualF)
 20387  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20388  		v0.AddArg2(x, y)
 20389  		v.AddArg(v0)
 20390  		return true
 20391  	}
 20392  }
 20393  func rewriteValueARM64_OpLeq32U(v *Value) bool {
 20394  	v_1 := v.Args[1]
 20395  	v_0 := v.Args[0]
 20396  	b := v.Block
 20397  	typ := &b.Func.Config.Types
 20398  	// match: (Leq32U x zero:(MOVDconst [0]))
 20399  	// result: (Eq32 x zero)
 20400  	for {
 20401  		x := v_0
 20402  		zero := v_1
 20403  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20404  			break
 20405  		}
 20406  		v.reset(OpEq32)
 20407  		v.AddArg2(x, zero)
 20408  		return true
 20409  	}
 20410  	// match: (Leq32U (MOVDconst [1]) x)
 20411  	// result: (Neq32 (MOVDconst [0]) x)
 20412  	for {
 20413  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20414  			break
 20415  		}
 20416  		x := v_1
 20417  		v.reset(OpNeq32)
 20418  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20419  		v0.AuxInt = int64ToAuxInt(0)
 20420  		v.AddArg2(v0, x)
 20421  		return true
 20422  	}
 20423  	// match: (Leq32U x y)
 20424  	// result: (LessEqualU (CMPW x y))
 20425  	for {
 20426  		x := v_0
 20427  		y := v_1
 20428  		v.reset(OpARM64LessEqualU)
 20429  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20430  		v0.AddArg2(x, y)
 20431  		v.AddArg(v0)
 20432  		return true
 20433  	}
 20434  }
 20435  func rewriteValueARM64_OpLeq64(v *Value) bool {
 20436  	v_1 := v.Args[1]
 20437  	v_0 := v.Args[0]
 20438  	b := v.Block
 20439  	// match: (Leq64 x y)
 20440  	// result: (LessEqual (CMP x y))
 20441  	for {
 20442  		x := v_0
 20443  		y := v_1
 20444  		v.reset(OpARM64LessEqual)
 20445  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20446  		v0.AddArg2(x, y)
 20447  		v.AddArg(v0)
 20448  		return true
 20449  	}
 20450  }
 20451  func rewriteValueARM64_OpLeq64F(v *Value) bool {
 20452  	v_1 := v.Args[1]
 20453  	v_0 := v.Args[0]
 20454  	b := v.Block
 20455  	// match: (Leq64F x y)
 20456  	// result: (LessEqualF (FCMPD x y))
 20457  	for {
 20458  		x := v_0
 20459  		y := v_1
 20460  		v.reset(OpARM64LessEqualF)
 20461  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20462  		v0.AddArg2(x, y)
 20463  		v.AddArg(v0)
 20464  		return true
 20465  	}
 20466  }
 20467  func rewriteValueARM64_OpLeq64U(v *Value) bool {
 20468  	v_1 := v.Args[1]
 20469  	v_0 := v.Args[0]
 20470  	b := v.Block
 20471  	typ := &b.Func.Config.Types
 20472  	// match: (Leq64U x zero:(MOVDconst [0]))
 20473  	// result: (Eq64 x zero)
 20474  	for {
 20475  		x := v_0
 20476  		zero := v_1
 20477  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20478  			break
 20479  		}
 20480  		v.reset(OpEq64)
 20481  		v.AddArg2(x, zero)
 20482  		return true
 20483  	}
 20484  	// match: (Leq64U (MOVDconst [1]) x)
 20485  	// result: (Neq64 (MOVDconst [0]) x)
 20486  	for {
 20487  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20488  			break
 20489  		}
 20490  		x := v_1
 20491  		v.reset(OpNeq64)
 20492  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20493  		v0.AuxInt = int64ToAuxInt(0)
 20494  		v.AddArg2(v0, x)
 20495  		return true
 20496  	}
 20497  	// match: (Leq64U x y)
 20498  	// result: (LessEqualU (CMP x y))
 20499  	for {
 20500  		x := v_0
 20501  		y := v_1
 20502  		v.reset(OpARM64LessEqualU)
 20503  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20504  		v0.AddArg2(x, y)
 20505  		v.AddArg(v0)
 20506  		return true
 20507  	}
 20508  }
 20509  func rewriteValueARM64_OpLeq8(v *Value) bool {
 20510  	v_1 := v.Args[1]
 20511  	v_0 := v.Args[0]
 20512  	b := v.Block
 20513  	typ := &b.Func.Config.Types
 20514  	// match: (Leq8 x y)
 20515  	// result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 20516  	for {
 20517  		x := v_0
 20518  		y := v_1
 20519  		v.reset(OpARM64LessEqual)
 20520  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20521  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20522  		v1.AddArg(x)
 20523  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20524  		v2.AddArg(y)
 20525  		v0.AddArg2(v1, v2)
 20526  		v.AddArg(v0)
 20527  		return true
 20528  	}
 20529  }
 20530  func rewriteValueARM64_OpLeq8U(v *Value) bool {
 20531  	v_1 := v.Args[1]
 20532  	v_0 := v.Args[0]
 20533  	b := v.Block
 20534  	typ := &b.Func.Config.Types
 20535  	// match: (Leq8U x zero:(MOVDconst [0]))
 20536  	// result: (Eq8 x zero)
 20537  	for {
 20538  		x := v_0
 20539  		zero := v_1
 20540  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20541  			break
 20542  		}
 20543  		v.reset(OpEq8)
 20544  		v.AddArg2(x, zero)
 20545  		return true
 20546  	}
 20547  	// match: (Leq8U (MOVDconst [1]) x)
 20548  	// result: (Neq8 (MOVDconst [0]) x)
 20549  	for {
 20550  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20551  			break
 20552  		}
 20553  		x := v_1
 20554  		v.reset(OpNeq8)
 20555  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20556  		v0.AuxInt = int64ToAuxInt(0)
 20557  		v.AddArg2(v0, x)
 20558  		return true
 20559  	}
 20560  	// match: (Leq8U x y)
 20561  	// result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20562  	for {
 20563  		x := v_0
 20564  		y := v_1
 20565  		v.reset(OpARM64LessEqualU)
 20566  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20567  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20568  		v1.AddArg(x)
 20569  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20570  		v2.AddArg(y)
 20571  		v0.AddArg2(v1, v2)
 20572  		v.AddArg(v0)
 20573  		return true
 20574  	}
 20575  }
 20576  func rewriteValueARM64_OpLess16(v *Value) bool {
 20577  	v_1 := v.Args[1]
 20578  	v_0 := v.Args[0]
 20579  	b := v.Block
 20580  	typ := &b.Func.Config.Types
 20581  	// match: (Less16 x y)
 20582  	// result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 20583  	for {
 20584  		x := v_0
 20585  		y := v_1
 20586  		v.reset(OpARM64LessThan)
 20587  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20588  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20589  		v1.AddArg(x)
 20590  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20591  		v2.AddArg(y)
 20592  		v0.AddArg2(v1, v2)
 20593  		v.AddArg(v0)
 20594  		return true
 20595  	}
 20596  }
 20597  func rewriteValueARM64_OpLess16U(v *Value) bool {
 20598  	v_1 := v.Args[1]
 20599  	v_0 := v.Args[0]
 20600  	b := v.Block
 20601  	typ := &b.Func.Config.Types
 20602  	// match: (Less16U zero:(MOVDconst [0]) x)
 20603  	// result: (Neq16 zero x)
 20604  	for {
 20605  		zero := v_0
 20606  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20607  			break
 20608  		}
 20609  		x := v_1
 20610  		v.reset(OpNeq16)
 20611  		v.AddArg2(zero, x)
 20612  		return true
 20613  	}
 20614  	// match: (Less16U x (MOVDconst [1]))
 20615  	// result: (Eq16 x (MOVDconst [0]))
 20616  	for {
 20617  		x := v_0
 20618  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20619  			break
 20620  		}
 20621  		v.reset(OpEq16)
 20622  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20623  		v0.AuxInt = int64ToAuxInt(0)
 20624  		v.AddArg2(x, v0)
 20625  		return true
 20626  	}
 20627  	// match: (Less16U x y)
 20628  	// result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20629  	for {
 20630  		x := v_0
 20631  		y := v_1
 20632  		v.reset(OpARM64LessThanU)
 20633  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20634  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20635  		v1.AddArg(x)
 20636  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20637  		v2.AddArg(y)
 20638  		v0.AddArg2(v1, v2)
 20639  		v.AddArg(v0)
 20640  		return true
 20641  	}
 20642  }
 20643  func rewriteValueARM64_OpLess32(v *Value) bool {
 20644  	v_1 := v.Args[1]
 20645  	v_0 := v.Args[0]
 20646  	b := v.Block
 20647  	// match: (Less32 x y)
 20648  	// result: (LessThan (CMPW x y))
 20649  	for {
 20650  		x := v_0
 20651  		y := v_1
 20652  		v.reset(OpARM64LessThan)
 20653  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20654  		v0.AddArg2(x, y)
 20655  		v.AddArg(v0)
 20656  		return true
 20657  	}
 20658  }
 20659  func rewriteValueARM64_OpLess32F(v *Value) bool {
 20660  	v_1 := v.Args[1]
 20661  	v_0 := v.Args[0]
 20662  	b := v.Block
 20663  	// match: (Less32F x y)
 20664  	// result: (LessThanF (FCMPS x y))
 20665  	for {
 20666  		x := v_0
 20667  		y := v_1
 20668  		v.reset(OpARM64LessThanF)
 20669  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20670  		v0.AddArg2(x, y)
 20671  		v.AddArg(v0)
 20672  		return true
 20673  	}
 20674  }
 20675  func rewriteValueARM64_OpLess32U(v *Value) bool {
 20676  	v_1 := v.Args[1]
 20677  	v_0 := v.Args[0]
 20678  	b := v.Block
 20679  	typ := &b.Func.Config.Types
 20680  	// match: (Less32U zero:(MOVDconst [0]) x)
 20681  	// result: (Neq32 zero x)
 20682  	for {
 20683  		zero := v_0
 20684  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20685  			break
 20686  		}
 20687  		x := v_1
 20688  		v.reset(OpNeq32)
 20689  		v.AddArg2(zero, x)
 20690  		return true
 20691  	}
 20692  	// match: (Less32U x (MOVDconst [1]))
 20693  	// result: (Eq32 x (MOVDconst [0]))
 20694  	for {
 20695  		x := v_0
 20696  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20697  			break
 20698  		}
 20699  		v.reset(OpEq32)
 20700  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20701  		v0.AuxInt = int64ToAuxInt(0)
 20702  		v.AddArg2(x, v0)
 20703  		return true
 20704  	}
 20705  	// match: (Less32U x y)
 20706  	// result: (LessThanU (CMPW x y))
 20707  	for {
 20708  		x := v_0
 20709  		y := v_1
 20710  		v.reset(OpARM64LessThanU)
 20711  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20712  		v0.AddArg2(x, y)
 20713  		v.AddArg(v0)
 20714  		return true
 20715  	}
 20716  }
 20717  func rewriteValueARM64_OpLess64(v *Value) bool {
 20718  	v_1 := v.Args[1]
 20719  	v_0 := v.Args[0]
 20720  	b := v.Block
 20721  	// match: (Less64 x y)
 20722  	// result: (LessThan (CMP x y))
 20723  	for {
 20724  		x := v_0
 20725  		y := v_1
 20726  		v.reset(OpARM64LessThan)
 20727  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20728  		v0.AddArg2(x, y)
 20729  		v.AddArg(v0)
 20730  		return true
 20731  	}
 20732  }
 20733  func rewriteValueARM64_OpLess64F(v *Value) bool {
 20734  	v_1 := v.Args[1]
 20735  	v_0 := v.Args[0]
 20736  	b := v.Block
 20737  	// match: (Less64F x y)
 20738  	// result: (LessThanF (FCMPD x y))
 20739  	for {
 20740  		x := v_0
 20741  		y := v_1
 20742  		v.reset(OpARM64LessThanF)
 20743  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20744  		v0.AddArg2(x, y)
 20745  		v.AddArg(v0)
 20746  		return true
 20747  	}
 20748  }
 20749  func rewriteValueARM64_OpLess64U(v *Value) bool {
 20750  	v_1 := v.Args[1]
 20751  	v_0 := v.Args[0]
 20752  	b := v.Block
 20753  	typ := &b.Func.Config.Types
 20754  	// match: (Less64U zero:(MOVDconst [0]) x)
 20755  	// result: (Neq64 zero x)
 20756  	for {
 20757  		zero := v_0
 20758  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20759  			break
 20760  		}
 20761  		x := v_1
 20762  		v.reset(OpNeq64)
 20763  		v.AddArg2(zero, x)
 20764  		return true
 20765  	}
 20766  	// match: (Less64U x (MOVDconst [1]))
 20767  	// result: (Eq64 x (MOVDconst [0]))
 20768  	for {
 20769  		x := v_0
 20770  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20771  			break
 20772  		}
 20773  		v.reset(OpEq64)
 20774  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20775  		v0.AuxInt = int64ToAuxInt(0)
 20776  		v.AddArg2(x, v0)
 20777  		return true
 20778  	}
 20779  	// match: (Less64U x y)
 20780  	// result: (LessThanU (CMP x y))
 20781  	for {
 20782  		x := v_0
 20783  		y := v_1
 20784  		v.reset(OpARM64LessThanU)
 20785  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20786  		v0.AddArg2(x, y)
 20787  		v.AddArg(v0)
 20788  		return true
 20789  	}
 20790  }
 20791  func rewriteValueARM64_OpLess8(v *Value) bool {
 20792  	v_1 := v.Args[1]
 20793  	v_0 := v.Args[0]
 20794  	b := v.Block
 20795  	typ := &b.Func.Config.Types
 20796  	// match: (Less8 x y)
 20797  	// result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 20798  	for {
 20799  		x := v_0
 20800  		y := v_1
 20801  		v.reset(OpARM64LessThan)
 20802  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20803  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20804  		v1.AddArg(x)
 20805  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20806  		v2.AddArg(y)
 20807  		v0.AddArg2(v1, v2)
 20808  		v.AddArg(v0)
 20809  		return true
 20810  	}
 20811  }
 20812  func rewriteValueARM64_OpLess8U(v *Value) bool {
 20813  	v_1 := v.Args[1]
 20814  	v_0 := v.Args[0]
 20815  	b := v.Block
 20816  	typ := &b.Func.Config.Types
 20817  	// match: (Less8U zero:(MOVDconst [0]) x)
 20818  	// result: (Neq8 zero x)
 20819  	for {
 20820  		zero := v_0
 20821  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20822  			break
 20823  		}
 20824  		x := v_1
 20825  		v.reset(OpNeq8)
 20826  		v.AddArg2(zero, x)
 20827  		return true
 20828  	}
 20829  	// match: (Less8U x (MOVDconst [1]))
 20830  	// result: (Eq8 x (MOVDconst [0]))
 20831  	for {
 20832  		x := v_0
 20833  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20834  			break
 20835  		}
 20836  		v.reset(OpEq8)
 20837  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20838  		v0.AuxInt = int64ToAuxInt(0)
 20839  		v.AddArg2(x, v0)
 20840  		return true
 20841  	}
 20842  	// match: (Less8U x y)
 20843  	// result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20844  	for {
 20845  		x := v_0
 20846  		y := v_1
 20847  		v.reset(OpARM64LessThanU)
 20848  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20849  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20850  		v1.AddArg(x)
 20851  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20852  		v2.AddArg(y)
 20853  		v0.AddArg2(v1, v2)
 20854  		v.AddArg(v0)
 20855  		return true
 20856  	}
 20857  }
 20858  func rewriteValueARM64_OpLoad(v *Value) bool {
 20859  	v_1 := v.Args[1]
 20860  	v_0 := v.Args[0]
 20861  	// match: (Load <t> ptr mem)
 20862  	// cond: t.IsBoolean()
 20863  	// result: (MOVBUload ptr mem)
 20864  	for {
 20865  		t := v.Type
 20866  		ptr := v_0
 20867  		mem := v_1
 20868  		if !(t.IsBoolean()) {
 20869  			break
 20870  		}
 20871  		v.reset(OpARM64MOVBUload)
 20872  		v.AddArg2(ptr, mem)
 20873  		return true
 20874  	}
 20875  	// match: (Load <t> ptr mem)
 20876  	// cond: (is8BitInt(t) && t.IsSigned())
 20877  	// result: (MOVBload ptr mem)
 20878  	for {
 20879  		t := v.Type
 20880  		ptr := v_0
 20881  		mem := v_1
 20882  		if !(is8BitInt(t) && t.IsSigned()) {
 20883  			break
 20884  		}
 20885  		v.reset(OpARM64MOVBload)
 20886  		v.AddArg2(ptr, mem)
 20887  		return true
 20888  	}
 20889  	// match: (Load <t> ptr mem)
 20890  	// cond: (is8BitInt(t) && !t.IsSigned())
 20891  	// result: (MOVBUload ptr mem)
 20892  	for {
 20893  		t := v.Type
 20894  		ptr := v_0
 20895  		mem := v_1
 20896  		if !(is8BitInt(t) && !t.IsSigned()) {
 20897  			break
 20898  		}
 20899  		v.reset(OpARM64MOVBUload)
 20900  		v.AddArg2(ptr, mem)
 20901  		return true
 20902  	}
 20903  	// match: (Load <t> ptr mem)
 20904  	// cond: (is16BitInt(t) && t.IsSigned())
 20905  	// result: (MOVHload ptr mem)
 20906  	for {
 20907  		t := v.Type
 20908  		ptr := v_0
 20909  		mem := v_1
 20910  		if !(is16BitInt(t) && t.IsSigned()) {
 20911  			break
 20912  		}
 20913  		v.reset(OpARM64MOVHload)
 20914  		v.AddArg2(ptr, mem)
 20915  		return true
 20916  	}
 20917  	// match: (Load <t> ptr mem)
 20918  	// cond: (is16BitInt(t) && !t.IsSigned())
 20919  	// result: (MOVHUload ptr mem)
 20920  	for {
 20921  		t := v.Type
 20922  		ptr := v_0
 20923  		mem := v_1
 20924  		if !(is16BitInt(t) && !t.IsSigned()) {
 20925  			break
 20926  		}
 20927  		v.reset(OpARM64MOVHUload)
 20928  		v.AddArg2(ptr, mem)
 20929  		return true
 20930  	}
 20931  	// match: (Load <t> ptr mem)
 20932  	// cond: (is32BitInt(t) && t.IsSigned())
 20933  	// result: (MOVWload ptr mem)
 20934  	for {
 20935  		t := v.Type
 20936  		ptr := v_0
 20937  		mem := v_1
 20938  		if !(is32BitInt(t) && t.IsSigned()) {
 20939  			break
 20940  		}
 20941  		v.reset(OpARM64MOVWload)
 20942  		v.AddArg2(ptr, mem)
 20943  		return true
 20944  	}
 20945  	// match: (Load <t> ptr mem)
 20946  	// cond: (is32BitInt(t) && !t.IsSigned())
 20947  	// result: (MOVWUload ptr mem)
 20948  	for {
 20949  		t := v.Type
 20950  		ptr := v_0
 20951  		mem := v_1
 20952  		if !(is32BitInt(t) && !t.IsSigned()) {
 20953  			break
 20954  		}
 20955  		v.reset(OpARM64MOVWUload)
 20956  		v.AddArg2(ptr, mem)
 20957  		return true
 20958  	}
 20959  	// match: (Load <t> ptr mem)
 20960  	// cond: (is64BitInt(t) || isPtr(t))
 20961  	// result: (MOVDload ptr mem)
 20962  	for {
 20963  		t := v.Type
 20964  		ptr := v_0
 20965  		mem := v_1
 20966  		if !(is64BitInt(t) || isPtr(t)) {
 20967  			break
 20968  		}
 20969  		v.reset(OpARM64MOVDload)
 20970  		v.AddArg2(ptr, mem)
 20971  		return true
 20972  	}
 20973  	// match: (Load <t> ptr mem)
 20974  	// cond: is32BitFloat(t)
 20975  	// result: (FMOVSload ptr mem)
 20976  	for {
 20977  		t := v.Type
 20978  		ptr := v_0
 20979  		mem := v_1
 20980  		if !(is32BitFloat(t)) {
 20981  			break
 20982  		}
 20983  		v.reset(OpARM64FMOVSload)
 20984  		v.AddArg2(ptr, mem)
 20985  		return true
 20986  	}
 20987  	// match: (Load <t> ptr mem)
 20988  	// cond: is64BitFloat(t)
 20989  	// result: (FMOVDload ptr mem)
 20990  	for {
 20991  		t := v.Type
 20992  		ptr := v_0
 20993  		mem := v_1
 20994  		if !(is64BitFloat(t)) {
 20995  			break
 20996  		}
 20997  		v.reset(OpARM64FMOVDload)
 20998  		v.AddArg2(ptr, mem)
 20999  		return true
 21000  	}
 21001  	// match: (Load <t> ptr mem)
 21002  	// cond: t.Size() == 16
 21003  	// result: (FMOVQload ptr mem)
 21004  	for {
 21005  		t := v.Type
 21006  		ptr := v_0
 21007  		mem := v_1
 21008  		if !(t.Size() == 16) {
 21009  			break
 21010  		}
 21011  		v.reset(OpARM64FMOVQload)
 21012  		v.AddArg2(ptr, mem)
 21013  		return true
 21014  	}
 21015  	return false
 21016  }
 21017  func rewriteValueARM64_OpLocalAddr(v *Value) bool {
 21018  	v_1 := v.Args[1]
 21019  	v_0 := v.Args[0]
 21020  	b := v.Block
 21021  	typ := &b.Func.Config.Types
 21022  	// match: (LocalAddr <t> {sym} base mem)
 21023  	// cond: t.Elem().HasPointers()
 21024  	// result: (MOVDaddr {sym} (SPanchored base mem))
 21025  	for {
 21026  		t := v.Type
 21027  		sym := auxToSym(v.Aux)
 21028  		base := v_0
 21029  		mem := v_1
 21030  		if !(t.Elem().HasPointers()) {
 21031  			break
 21032  		}
 21033  		v.reset(OpARM64MOVDaddr)
 21034  		v.Aux = symToAux(sym)
 21035  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
 21036  		v0.AddArg2(base, mem)
 21037  		v.AddArg(v0)
 21038  		return true
 21039  	}
 21040  	// match: (LocalAddr <t> {sym} base _)
 21041  	// cond: !t.Elem().HasPointers()
 21042  	// result: (MOVDaddr {sym} base)
 21043  	for {
 21044  		t := v.Type
 21045  		sym := auxToSym(v.Aux)
 21046  		base := v_0
 21047  		if !(!t.Elem().HasPointers()) {
 21048  			break
 21049  		}
 21050  		v.reset(OpARM64MOVDaddr)
 21051  		v.Aux = symToAux(sym)
 21052  		v.AddArg(base)
 21053  		return true
 21054  	}
 21055  	return false
 21056  }
 21057  func rewriteValueARM64_OpLsh64x16(v *Value) bool {
 21058  	v_1 := v.Args[1]
 21059  	v_0 := v.Args[0]
 21060  	b := v.Block
 21061  	typ := &b.Func.Config.Types
 21062  	// match: (Lsh64x16 <t> x y)
 21063  	// cond: shiftIsBounded(v)
 21064  	// result: (SLL <t> x y)
 21065  	for {
 21066  		t := v.Type
 21067  		x := v_0
 21068  		y := v_1
 21069  		if !(shiftIsBounded(v)) {
 21070  			break
 21071  		}
 21072  		v.reset(OpARM64SLL)
 21073  		v.Type = t
 21074  		v.AddArg2(x, y)
 21075  		return true
 21076  	}
 21077  	// match: (Lsh64x16 <t> [bounded] x y)
 21078  	// cond: !shiftIsBounded(v)
 21079  	// result: (Lsh64x32 <t> [bounded] x (ZeroExt16to32 y))
 21080  	for {
 21081  		t := v.Type
 21082  		bounded := auxIntToBool(v.AuxInt)
 21083  		x := v_0
 21084  		y := v_1
 21085  		if !(!shiftIsBounded(v)) {
 21086  			break
 21087  		}
 21088  		v.reset(OpLsh64x32)
 21089  		v.Type = t
 21090  		v.AuxInt = boolToAuxInt(bounded)
 21091  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21092  		v0.AddArg(y)
 21093  		v.AddArg2(x, v0)
 21094  		return true
 21095  	}
 21096  	return false
 21097  }
 21098  func rewriteValueARM64_OpLsh64x32(v *Value) bool {
 21099  	v_1 := v.Args[1]
 21100  	v_0 := v.Args[0]
 21101  	b := v.Block
 21102  	// match: (Lsh64x32 <t> x y)
 21103  	// cond: shiftIsBounded(v)
 21104  	// result: (SLL <t> x y)
 21105  	for {
 21106  		t := v.Type
 21107  		x := v_0
 21108  		y := v_1
 21109  		if !(shiftIsBounded(v)) {
 21110  			break
 21111  		}
 21112  		v.reset(OpARM64SLL)
 21113  		v.Type = t
 21114  		v.AddArg2(x, y)
 21115  		return true
 21116  	}
 21117  	// match: (Lsh64x32 <t> x y)
 21118  	// cond: !shiftIsBounded(v)
 21119  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPWconst [64] y))
 21120  	for {
 21121  		t := v.Type
 21122  		x := v_0
 21123  		y := v_1
 21124  		if !(!shiftIsBounded(v)) {
 21125  			break
 21126  		}
 21127  		v.reset(OpARM64CSEL)
 21128  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21129  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 21130  		v0.AddArg2(x, y)
 21131  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21132  		v1.AuxInt = int64ToAuxInt(0)
 21133  		v2 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
 21134  		v2.AuxInt = int32ToAuxInt(64)
 21135  		v2.AddArg(y)
 21136  		v.AddArg3(v0, v1, v2)
 21137  		return true
 21138  	}
 21139  	return false
 21140  }
 21141  func rewriteValueARM64_OpLsh64x64(v *Value) bool {
 21142  	v_1 := v.Args[1]
 21143  	v_0 := v.Args[0]
 21144  	b := v.Block
 21145  	// match: (Lsh64x64 <t> x y)
 21146  	// cond: shiftIsBounded(v)
 21147  	// result: (SLL <t> x y)
 21148  	for {
 21149  		t := v.Type
 21150  		x := v_0
 21151  		y := v_1
 21152  		if !(shiftIsBounded(v)) {
 21153  			break
 21154  		}
 21155  		v.reset(OpARM64SLL)
 21156  		v.Type = t
 21157  		v.AddArg2(x, y)
 21158  		return true
 21159  	}
 21160  	// match: (Lsh64x64 <t> x y)
 21161  	// cond: !shiftIsBounded(v)
 21162  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 21163  	for {
 21164  		t := v.Type
 21165  		x := v_0
 21166  		y := v_1
 21167  		if !(!shiftIsBounded(v)) {
 21168  			break
 21169  		}
 21170  		v.reset(OpARM64CSEL)
 21171  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21172  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 21173  		v0.AddArg2(x, y)
 21174  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21175  		v1.AuxInt = int64ToAuxInt(0)
 21176  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21177  		v2.AuxInt = int64ToAuxInt(64)
 21178  		v2.AddArg(y)
 21179  		v.AddArg3(v0, v1, v2)
 21180  		return true
 21181  	}
 21182  	return false
 21183  }
 21184  func rewriteValueARM64_OpLsh64x8(v *Value) bool {
 21185  	v_1 := v.Args[1]
 21186  	v_0 := v.Args[0]
 21187  	b := v.Block
 21188  	typ := &b.Func.Config.Types
 21189  	// match: (Lsh64x8 <t> x y)
 21190  	// cond: shiftIsBounded(v)
 21191  	// result: (SLL <t> x y)
 21192  	for {
 21193  		t := v.Type
 21194  		x := v_0
 21195  		y := v_1
 21196  		if !(shiftIsBounded(v)) {
 21197  			break
 21198  		}
 21199  		v.reset(OpARM64SLL)
 21200  		v.Type = t
 21201  		v.AddArg2(x, y)
 21202  		return true
 21203  	}
 21204  	// match: (Lsh64x8 <t> [bounded] x y)
 21205  	// cond: !shiftIsBounded(v)
 21206  	// result: (Lsh64x32 <t> [bounded] x (ZeroExt8to32 y))
 21207  	for {
 21208  		t := v.Type
 21209  		bounded := auxIntToBool(v.AuxInt)
 21210  		x := v_0
 21211  		y := v_1
 21212  		if !(!shiftIsBounded(v)) {
 21213  			break
 21214  		}
 21215  		v.reset(OpLsh64x32)
 21216  		v.Type = t
 21217  		v.AuxInt = boolToAuxInt(bounded)
 21218  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21219  		v0.AddArg(y)
 21220  		v.AddArg2(x, v0)
 21221  		return true
 21222  	}
 21223  	return false
 21224  }
 21225  func rewriteValueARM64_OpMax32FSel(v *Value) bool {
 21226  	v_1 := v.Args[1]
 21227  	v_0 := v.Args[0]
 21228  	b := v.Block
 21229  	// match: (Max32FSel x y)
 21230  	// result: (FCSELS [OpARM64GreaterThanF] x y (FCMPS x y))
 21231  	for {
 21232  		x := v_0
 21233  		y := v_1
 21234  		v.reset(OpARM64FCSELS)
 21235  		v.AuxInt = opToAuxInt(OpARM64GreaterThanF)
 21236  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 21237  		v0.AddArg2(x, y)
 21238  		v.AddArg3(x, y, v0)
 21239  		return true
 21240  	}
 21241  }
 21242  func rewriteValueARM64_OpMax64FSel(v *Value) bool {
 21243  	v_1 := v.Args[1]
 21244  	v_0 := v.Args[0]
 21245  	b := v.Block
 21246  	// match: (Max64FSel x y)
 21247  	// result: (FCSELD [OpARM64GreaterThanF] x y (FCMPD x y))
 21248  	for {
 21249  		x := v_0
 21250  		y := v_1
 21251  		v.reset(OpARM64FCSELD)
 21252  		v.AuxInt = opToAuxInt(OpARM64GreaterThanF)
 21253  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 21254  		v0.AddArg2(x, y)
 21255  		v.AddArg3(x, y, v0)
 21256  		return true
 21257  	}
 21258  }
 21259  func rewriteValueARM64_OpMin32FSel(v *Value) bool {
 21260  	v_1 := v.Args[1]
 21261  	v_0 := v.Args[0]
 21262  	b := v.Block
 21263  	// match: (Min32FSel x y)
 21264  	// result: (FCSELS [OpARM64LessThanF] x y (FCMPS x y))
 21265  	for {
 21266  		x := v_0
 21267  		y := v_1
 21268  		v.reset(OpARM64FCSELS)
 21269  		v.AuxInt = opToAuxInt(OpARM64LessThanF)
 21270  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 21271  		v0.AddArg2(x, y)
 21272  		v.AddArg3(x, y, v0)
 21273  		return true
 21274  	}
 21275  }
 21276  func rewriteValueARM64_OpMin64FSel(v *Value) bool {
 21277  	v_1 := v.Args[1]
 21278  	v_0 := v.Args[0]
 21279  	b := v.Block
 21280  	// match: (Min64FSel x y)
 21281  	// result: (FCSELD [OpARM64LessThanF] x y (FCMPD x y))
 21282  	for {
 21283  		x := v_0
 21284  		y := v_1
 21285  		v.reset(OpARM64FCSELD)
 21286  		v.AuxInt = opToAuxInt(OpARM64LessThanF)
 21287  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 21288  		v0.AddArg2(x, y)
 21289  		v.AddArg3(x, y, v0)
 21290  		return true
 21291  	}
 21292  }
 21293  func rewriteValueARM64_OpMod16(v *Value) bool {
 21294  	v_1 := v.Args[1]
 21295  	v_0 := v.Args[0]
 21296  	b := v.Block
 21297  	typ := &b.Func.Config.Types
 21298  	// match: (Mod16 x y)
 21299  	// result: (MODW (SignExt16to32 x) (SignExt16to32 y))
 21300  	for {
 21301  		x := v_0
 21302  		y := v_1
 21303  		v.reset(OpARM64MODW)
 21304  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 21305  		v0.AddArg(x)
 21306  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 21307  		v1.AddArg(y)
 21308  		v.AddArg2(v0, v1)
 21309  		return true
 21310  	}
 21311  }
 21312  func rewriteValueARM64_OpMod16u(v *Value) bool {
 21313  	v_1 := v.Args[1]
 21314  	v_0 := v.Args[0]
 21315  	b := v.Block
 21316  	typ := &b.Func.Config.Types
 21317  	// match: (Mod16u x y)
 21318  	// result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y))
 21319  	for {
 21320  		x := v_0
 21321  		y := v_1
 21322  		v.reset(OpARM64UMODW)
 21323  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21324  		v0.AddArg(x)
 21325  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21326  		v1.AddArg(y)
 21327  		v.AddArg2(v0, v1)
 21328  		return true
 21329  	}
 21330  }
 21331  func rewriteValueARM64_OpMod32(v *Value) bool {
 21332  	v_1 := v.Args[1]
 21333  	v_0 := v.Args[0]
 21334  	// match: (Mod32 x y)
 21335  	// result: (MODW x y)
 21336  	for {
 21337  		x := v_0
 21338  		y := v_1
 21339  		v.reset(OpARM64MODW)
 21340  		v.AddArg2(x, y)
 21341  		return true
 21342  	}
 21343  }
 21344  func rewriteValueARM64_OpMod64(v *Value) bool {
 21345  	v_1 := v.Args[1]
 21346  	v_0 := v.Args[0]
 21347  	// match: (Mod64 x y)
 21348  	// result: (MOD x y)
 21349  	for {
 21350  		x := v_0
 21351  		y := v_1
 21352  		v.reset(OpARM64MOD)
 21353  		v.AddArg2(x, y)
 21354  		return true
 21355  	}
 21356  }
 21357  func rewriteValueARM64_OpMod8(v *Value) bool {
 21358  	v_1 := v.Args[1]
 21359  	v_0 := v.Args[0]
 21360  	b := v.Block
 21361  	typ := &b.Func.Config.Types
 21362  	// match: (Mod8 x y)
 21363  	// result: (MODW (SignExt8to32 x) (SignExt8to32 y))
 21364  	for {
 21365  		x := v_0
 21366  		y := v_1
 21367  		v.reset(OpARM64MODW)
 21368  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 21369  		v0.AddArg(x)
 21370  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 21371  		v1.AddArg(y)
 21372  		v.AddArg2(v0, v1)
 21373  		return true
 21374  	}
 21375  }
 21376  func rewriteValueARM64_OpMod8u(v *Value) bool {
 21377  	v_1 := v.Args[1]
 21378  	v_0 := v.Args[0]
 21379  	b := v.Block
 21380  	typ := &b.Func.Config.Types
 21381  	// match: (Mod8u x y)
 21382  	// result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y))
 21383  	for {
 21384  		x := v_0
 21385  		y := v_1
 21386  		v.reset(OpARM64UMODW)
 21387  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21388  		v0.AddArg(x)
 21389  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21390  		v1.AddArg(y)
 21391  		v.AddArg2(v0, v1)
 21392  		return true
 21393  	}
 21394  }
 21395  func rewriteValueARM64_OpMove(v *Value) bool {
 21396  	v_2 := v.Args[2]
 21397  	v_1 := v.Args[1]
 21398  	v_0 := v.Args[0]
 21399  	b := v.Block
 21400  	typ := &b.Func.Config.Types
 21401  	// match: (Move [0] _ _ mem)
 21402  	// result: mem
 21403  	for {
 21404  		if auxIntToInt64(v.AuxInt) != 0 {
 21405  			break
 21406  		}
 21407  		mem := v_2
 21408  		v.copyOf(mem)
 21409  		return true
 21410  	}
 21411  	// match: (Move [1] dst src mem)
 21412  	// result: (MOVBstore dst (MOVBUload src mem) mem)
 21413  	for {
 21414  		if auxIntToInt64(v.AuxInt) != 1 {
 21415  			break
 21416  		}
 21417  		dst := v_0
 21418  		src := v_1
 21419  		mem := v_2
 21420  		v.reset(OpARM64MOVBstore)
 21421  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21422  		v0.AddArg2(src, mem)
 21423  		v.AddArg3(dst, v0, mem)
 21424  		return true
 21425  	}
 21426  	// match: (Move [2] dst src mem)
 21427  	// result: (MOVHstore dst (MOVHUload src mem) mem)
 21428  	for {
 21429  		if auxIntToInt64(v.AuxInt) != 2 {
 21430  			break
 21431  		}
 21432  		dst := v_0
 21433  		src := v_1
 21434  		mem := v_2
 21435  		v.reset(OpARM64MOVHstore)
 21436  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21437  		v0.AddArg2(src, mem)
 21438  		v.AddArg3(dst, v0, mem)
 21439  		return true
 21440  	}
 21441  	// match: (Move [3] dst src mem)
 21442  	// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
 21443  	for {
 21444  		if auxIntToInt64(v.AuxInt) != 3 {
 21445  			break
 21446  		}
 21447  		dst := v_0
 21448  		src := v_1
 21449  		mem := v_2
 21450  		v.reset(OpARM64MOVBstore)
 21451  		v.AuxInt = int32ToAuxInt(2)
 21452  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21453  		v0.AuxInt = int32ToAuxInt(2)
 21454  		v0.AddArg2(src, mem)
 21455  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 21456  		v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21457  		v2.AddArg2(src, mem)
 21458  		v1.AddArg3(dst, v2, mem)
 21459  		v.AddArg3(dst, v0, v1)
 21460  		return true
 21461  	}
 21462  	// match: (Move [4] dst src mem)
 21463  	// result: (MOVWstore dst (MOVWUload src mem) mem)
 21464  	for {
 21465  		if auxIntToInt64(v.AuxInt) != 4 {
 21466  			break
 21467  		}
 21468  		dst := v_0
 21469  		src := v_1
 21470  		mem := v_2
 21471  		v.reset(OpARM64MOVWstore)
 21472  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21473  		v0.AddArg2(src, mem)
 21474  		v.AddArg3(dst, v0, mem)
 21475  		return true
 21476  	}
 21477  	// match: (Move [5] dst src mem)
 21478  	// result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 21479  	for {
 21480  		if auxIntToInt64(v.AuxInt) != 5 {
 21481  			break
 21482  		}
 21483  		dst := v_0
 21484  		src := v_1
 21485  		mem := v_2
 21486  		v.reset(OpARM64MOVBstore)
 21487  		v.AuxInt = int32ToAuxInt(4)
 21488  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21489  		v0.AuxInt = int32ToAuxInt(4)
 21490  		v0.AddArg2(src, mem)
 21491  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21492  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21493  		v2.AddArg2(src, mem)
 21494  		v1.AddArg3(dst, v2, mem)
 21495  		v.AddArg3(dst, v0, v1)
 21496  		return true
 21497  	}
 21498  	// match: (Move [6] dst src mem)
 21499  	// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 21500  	for {
 21501  		if auxIntToInt64(v.AuxInt) != 6 {
 21502  			break
 21503  		}
 21504  		dst := v_0
 21505  		src := v_1
 21506  		mem := v_2
 21507  		v.reset(OpARM64MOVHstore)
 21508  		v.AuxInt = int32ToAuxInt(4)
 21509  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21510  		v0.AuxInt = int32ToAuxInt(4)
 21511  		v0.AddArg2(src, mem)
 21512  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21513  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21514  		v2.AddArg2(src, mem)
 21515  		v1.AddArg3(dst, v2, mem)
 21516  		v.AddArg3(dst, v0, v1)
 21517  		return true
 21518  	}
 21519  	// match: (Move [7] dst src mem)
 21520  	// result: (MOVWstore [3] dst (MOVWUload [3] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 21521  	for {
 21522  		if auxIntToInt64(v.AuxInt) != 7 {
 21523  			break
 21524  		}
 21525  		dst := v_0
 21526  		src := v_1
 21527  		mem := v_2
 21528  		v.reset(OpARM64MOVWstore)
 21529  		v.AuxInt = int32ToAuxInt(3)
 21530  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21531  		v0.AuxInt = int32ToAuxInt(3)
 21532  		v0.AddArg2(src, mem)
 21533  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21534  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21535  		v2.AddArg2(src, mem)
 21536  		v1.AddArg3(dst, v2, mem)
 21537  		v.AddArg3(dst, v0, v1)
 21538  		return true
 21539  	}
 21540  	// match: (Move [8] dst src mem)
 21541  	// result: (MOVDstore dst (MOVDload src mem) mem)
 21542  	for {
 21543  		if auxIntToInt64(v.AuxInt) != 8 {
 21544  			break
 21545  		}
 21546  		dst := v_0
 21547  		src := v_1
 21548  		mem := v_2
 21549  		v.reset(OpARM64MOVDstore)
 21550  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21551  		v0.AddArg2(src, mem)
 21552  		v.AddArg3(dst, v0, mem)
 21553  		return true
 21554  	}
 21555  	// match: (Move [9] dst src mem)
 21556  	// result: (MOVBstore [8] dst (MOVBUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21557  	for {
 21558  		if auxIntToInt64(v.AuxInt) != 9 {
 21559  			break
 21560  		}
 21561  		dst := v_0
 21562  		src := v_1
 21563  		mem := v_2
 21564  		v.reset(OpARM64MOVBstore)
 21565  		v.AuxInt = int32ToAuxInt(8)
 21566  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21567  		v0.AuxInt = int32ToAuxInt(8)
 21568  		v0.AddArg2(src, mem)
 21569  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21570  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21571  		v2.AddArg2(src, mem)
 21572  		v1.AddArg3(dst, v2, mem)
 21573  		v.AddArg3(dst, v0, v1)
 21574  		return true
 21575  	}
 21576  	// match: (Move [10] dst src mem)
 21577  	// result: (MOVHstore [8] dst (MOVHUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21578  	for {
 21579  		if auxIntToInt64(v.AuxInt) != 10 {
 21580  			break
 21581  		}
 21582  		dst := v_0
 21583  		src := v_1
 21584  		mem := v_2
 21585  		v.reset(OpARM64MOVHstore)
 21586  		v.AuxInt = int32ToAuxInt(8)
 21587  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21588  		v0.AuxInt = int32ToAuxInt(8)
 21589  		v0.AddArg2(src, mem)
 21590  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21591  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21592  		v2.AddArg2(src, mem)
 21593  		v1.AddArg3(dst, v2, mem)
 21594  		v.AddArg3(dst, v0, v1)
 21595  		return true
 21596  	}
 21597  	// match: (Move [11] dst src mem)
 21598  	// result: (MOVDstore [3] dst (MOVDload [3] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21599  	for {
 21600  		if auxIntToInt64(v.AuxInt) != 11 {
 21601  			break
 21602  		}
 21603  		dst := v_0
 21604  		src := v_1
 21605  		mem := v_2
 21606  		v.reset(OpARM64MOVDstore)
 21607  		v.AuxInt = int32ToAuxInt(3)
 21608  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21609  		v0.AuxInt = int32ToAuxInt(3)
 21610  		v0.AddArg2(src, mem)
 21611  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21612  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21613  		v2.AddArg2(src, mem)
 21614  		v1.AddArg3(dst, v2, mem)
 21615  		v.AddArg3(dst, v0, v1)
 21616  		return true
 21617  	}
 21618  	// match: (Move [12] dst src mem)
 21619  	// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21620  	for {
 21621  		if auxIntToInt64(v.AuxInt) != 12 {
 21622  			break
 21623  		}
 21624  		dst := v_0
 21625  		src := v_1
 21626  		mem := v_2
 21627  		v.reset(OpARM64MOVWstore)
 21628  		v.AuxInt = int32ToAuxInt(8)
 21629  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21630  		v0.AuxInt = int32ToAuxInt(8)
 21631  		v0.AddArg2(src, mem)
 21632  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21633  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21634  		v2.AddArg2(src, mem)
 21635  		v1.AddArg3(dst, v2, mem)
 21636  		v.AddArg3(dst, v0, v1)
 21637  		return true
 21638  	}
 21639  	// match: (Move [13] dst src mem)
 21640  	// result: (MOVDstore [5] dst (MOVDload [5] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21641  	for {
 21642  		if auxIntToInt64(v.AuxInt) != 13 {
 21643  			break
 21644  		}
 21645  		dst := v_0
 21646  		src := v_1
 21647  		mem := v_2
 21648  		v.reset(OpARM64MOVDstore)
 21649  		v.AuxInt = int32ToAuxInt(5)
 21650  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21651  		v0.AuxInt = int32ToAuxInt(5)
 21652  		v0.AddArg2(src, mem)
 21653  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21654  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21655  		v2.AddArg2(src, mem)
 21656  		v1.AddArg3(dst, v2, mem)
 21657  		v.AddArg3(dst, v0, v1)
 21658  		return true
 21659  	}
 21660  	// match: (Move [14] dst src mem)
 21661  	// result: (MOVDstore [6] dst (MOVDload [6] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21662  	for {
 21663  		if auxIntToInt64(v.AuxInt) != 14 {
 21664  			break
 21665  		}
 21666  		dst := v_0
 21667  		src := v_1
 21668  		mem := v_2
 21669  		v.reset(OpARM64MOVDstore)
 21670  		v.AuxInt = int32ToAuxInt(6)
 21671  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21672  		v0.AuxInt = int32ToAuxInt(6)
 21673  		v0.AddArg2(src, mem)
 21674  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21675  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21676  		v2.AddArg2(src, mem)
 21677  		v1.AddArg3(dst, v2, mem)
 21678  		v.AddArg3(dst, v0, v1)
 21679  		return true
 21680  	}
 21681  	// match: (Move [15] dst src mem)
 21682  	// result: (MOVDstore [7] dst (MOVDload [7] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21683  	for {
 21684  		if auxIntToInt64(v.AuxInt) != 15 {
 21685  			break
 21686  		}
 21687  		dst := v_0
 21688  		src := v_1
 21689  		mem := v_2
 21690  		v.reset(OpARM64MOVDstore)
 21691  		v.AuxInt = int32ToAuxInt(7)
 21692  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21693  		v0.AuxInt = int32ToAuxInt(7)
 21694  		v0.AddArg2(src, mem)
 21695  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21696  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21697  		v2.AddArg2(src, mem)
 21698  		v1.AddArg3(dst, v2, mem)
 21699  		v.AddArg3(dst, v0, v1)
 21700  		return true
 21701  	}
 21702  	// match: (Move [16] dst src mem)
 21703  	// result: (FMOVQstore dst (FMOVQload src mem) mem)
 21704  	for {
 21705  		if auxIntToInt64(v.AuxInt) != 16 {
 21706  			break
 21707  		}
 21708  		dst := v_0
 21709  		src := v_1
 21710  		mem := v_2
 21711  		v.reset(OpARM64FMOVQstore)
 21712  		v0 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21713  		v0.AddArg2(src, mem)
 21714  		v.AddArg3(dst, v0, mem)
 21715  		return true
 21716  	}
 21717  	// match: (Move [s] dst src mem)
 21718  	// cond: s > 16 && s <= 24
 21719  	// result: (MOVDstore [int32(s-8)] dst (MOVDload [int32(s-8)] src mem) (FMOVQstore dst (FMOVQload src mem) mem))
 21720  	for {
 21721  		s := auxIntToInt64(v.AuxInt)
 21722  		dst := v_0
 21723  		src := v_1
 21724  		mem := v_2
 21725  		if !(s > 16 && s <= 24) {
 21726  			break
 21727  		}
 21728  		v.reset(OpARM64MOVDstore)
 21729  		v.AuxInt = int32ToAuxInt(int32(s - 8))
 21730  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21731  		v0.AuxInt = int32ToAuxInt(int32(s - 8))
 21732  		v0.AddArg2(src, mem)
 21733  		v1 := b.NewValue0(v.Pos, OpARM64FMOVQstore, types.TypeMem)
 21734  		v2 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21735  		v2.AddArg2(src, mem)
 21736  		v1.AddArg3(dst, v2, mem)
 21737  		v.AddArg3(dst, v0, v1)
 21738  		return true
 21739  	}
 21740  	// match: (Move [s] dst src mem)
 21741  	// cond: s > 24 && s < 32
 21742  	// result: (FMOVQstore [int32(s-16)] dst (FMOVQload [int32(s-16)] src mem) (FMOVQstore dst (FMOVQload src mem) mem))
 21743  	for {
 21744  		s := auxIntToInt64(v.AuxInt)
 21745  		dst := v_0
 21746  		src := v_1
 21747  		mem := v_2
 21748  		if !(s > 24 && s < 32) {
 21749  			break
 21750  		}
 21751  		v.reset(OpARM64FMOVQstore)
 21752  		v.AuxInt = int32ToAuxInt(int32(s - 16))
 21753  		v0 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21754  		v0.AuxInt = int32ToAuxInt(int32(s - 16))
 21755  		v0.AddArg2(src, mem)
 21756  		v1 := b.NewValue0(v.Pos, OpARM64FMOVQstore, types.TypeMem)
 21757  		v2 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21758  		v2.AddArg2(src, mem)
 21759  		v1.AddArg3(dst, v2, mem)
 21760  		v.AddArg3(dst, v0, v1)
 21761  		return true
 21762  	}
 21763  	// match: (Move [32] dst src mem)
 21764  	// result: (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem)
 21765  	for {
 21766  		if auxIntToInt64(v.AuxInt) != 32 {
 21767  			break
 21768  		}
 21769  		dst := v_0
 21770  		src := v_1
 21771  		mem := v_2
 21772  		v.reset(OpARM64FSTPQ)
 21773  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21774  		v1 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21775  		v1.AddArg2(src, mem)
 21776  		v0.AddArg(v1)
 21777  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21778  		v2.AddArg(v1)
 21779  		v.AddArg4(dst, v0, v2, mem)
 21780  		return true
 21781  	}
 21782  	// match: (Move [s] dst src mem)
 21783  	// cond: s > 32 && s <= 40
 21784  	// result: (MOVDstore [int32(s-8)] dst (MOVDload [int32(s-8)] src mem) (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem))
 21785  	for {
 21786  		s := auxIntToInt64(v.AuxInt)
 21787  		dst := v_0
 21788  		src := v_1
 21789  		mem := v_2
 21790  		if !(s > 32 && s <= 40) {
 21791  			break
 21792  		}
 21793  		v.reset(OpARM64MOVDstore)
 21794  		v.AuxInt = int32ToAuxInt(int32(s - 8))
 21795  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21796  		v0.AuxInt = int32ToAuxInt(int32(s - 8))
 21797  		v0.AddArg2(src, mem)
 21798  		v1 := b.NewValue0(v.Pos, OpARM64FSTPQ, types.TypeMem)
 21799  		v2 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21800  		v3 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21801  		v3.AddArg2(src, mem)
 21802  		v2.AddArg(v3)
 21803  		v4 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21804  		v4.AddArg(v3)
 21805  		v1.AddArg4(dst, v2, v4, mem)
 21806  		v.AddArg3(dst, v0, v1)
 21807  		return true
 21808  	}
 21809  	// match: (Move [s] dst src mem)
 21810  	// cond: s > 40 && s <= 48
 21811  	// result: (FMOVQstore [int32(s-16)] dst (FMOVQload [int32(s-16)] src mem) (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem))
 21812  	for {
 21813  		s := auxIntToInt64(v.AuxInt)
 21814  		dst := v_0
 21815  		src := v_1
 21816  		mem := v_2
 21817  		if !(s > 40 && s <= 48) {
 21818  			break
 21819  		}
 21820  		v.reset(OpARM64FMOVQstore)
 21821  		v.AuxInt = int32ToAuxInt(int32(s - 16))
 21822  		v0 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21823  		v0.AuxInt = int32ToAuxInt(int32(s - 16))
 21824  		v0.AddArg2(src, mem)
 21825  		v1 := b.NewValue0(v.Pos, OpARM64FSTPQ, types.TypeMem)
 21826  		v2 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21827  		v3 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21828  		v3.AddArg2(src, mem)
 21829  		v2.AddArg(v3)
 21830  		v4 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21831  		v4.AddArg(v3)
 21832  		v1.AddArg4(dst, v2, v4, mem)
 21833  		v.AddArg3(dst, v0, v1)
 21834  		return true
 21835  	}
 21836  	// match: (Move [s] dst src mem)
 21837  	// cond: s > 48 && s <= 64
 21838  	// result: (FSTPQ [int32(s-32)] dst (Select0 <typ.Vec128> (FLDPQ [int32(s-32)] src mem)) (Select1 <typ.Vec128> (FLDPQ [int32(s-32)] src mem)) (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem))
 21839  	for {
 21840  		s := auxIntToInt64(v.AuxInt)
 21841  		dst := v_0
 21842  		src := v_1
 21843  		mem := v_2
 21844  		if !(s > 48 && s <= 64) {
 21845  			break
 21846  		}
 21847  		v.reset(OpARM64FSTPQ)
 21848  		v.AuxInt = int32ToAuxInt(int32(s - 32))
 21849  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21850  		v1 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21851  		v1.AuxInt = int32ToAuxInt(int32(s - 32))
 21852  		v1.AddArg2(src, mem)
 21853  		v0.AddArg(v1)
 21854  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21855  		v2.AddArg(v1)
 21856  		v3 := b.NewValue0(v.Pos, OpARM64FSTPQ, types.TypeMem)
 21857  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21858  		v5 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21859  		v5.AddArg2(src, mem)
 21860  		v4.AddArg(v5)
 21861  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21862  		v6.AddArg(v5)
 21863  		v3.AddArg4(dst, v4, v6, mem)
 21864  		v.AddArg4(dst, v0, v2, v3)
 21865  		return true
 21866  	}
 21867  	// match: (Move [s] dst src mem)
 21868  	// cond: s > 64 && s < 192 && logLargeCopy(v, s)
 21869  	// result: (LoweredMove [s] dst src mem)
 21870  	for {
 21871  		s := auxIntToInt64(v.AuxInt)
 21872  		dst := v_0
 21873  		src := v_1
 21874  		mem := v_2
 21875  		if !(s > 64 && s < 192 && logLargeCopy(v, s)) {
 21876  			break
 21877  		}
 21878  		v.reset(OpARM64LoweredMove)
 21879  		v.AuxInt = int64ToAuxInt(s)
 21880  		v.AddArg3(dst, src, mem)
 21881  		return true
 21882  	}
 21883  	// match: (Move [s] dst src mem)
 21884  	// cond: s >= 192 && logLargeCopy(v, s)
 21885  	// result: (LoweredMoveLoop [s] dst src mem)
 21886  	for {
 21887  		s := auxIntToInt64(v.AuxInt)
 21888  		dst := v_0
 21889  		src := v_1
 21890  		mem := v_2
 21891  		if !(s >= 192 && logLargeCopy(v, s)) {
 21892  			break
 21893  		}
 21894  		v.reset(OpARM64LoweredMoveLoop)
 21895  		v.AuxInt = int64ToAuxInt(s)
 21896  		v.AddArg3(dst, src, mem)
 21897  		return true
 21898  	}
 21899  	return false
 21900  }
 21901  func rewriteValueARM64_OpMulAddFloat32x4(v *Value) bool {
 21902  	v_2 := v.Args[2]
 21903  	v_1 := v.Args[1]
 21904  	v_0 := v.Args[0]
 21905  	// match: (MulAddFloat32x4 x y z)
 21906  	// result: (VFMLA4S z x y)
 21907  	for {
 21908  		x := v_0
 21909  		y := v_1
 21910  		z := v_2
 21911  		v.reset(OpARM64VFMLA4S)
 21912  		v.AddArg3(z, x, y)
 21913  		return true
 21914  	}
 21915  }
 21916  func rewriteValueARM64_OpMulAddFloat64x2(v *Value) bool {
 21917  	v_2 := v.Args[2]
 21918  	v_1 := v.Args[1]
 21919  	v_0 := v.Args[0]
 21920  	// match: (MulAddFloat64x2 x y z)
 21921  	// result: (VFMLA2D z x y)
 21922  	for {
 21923  		x := v_0
 21924  		y := v_1
 21925  		z := v_2
 21926  		v.reset(OpARM64VFMLA2D)
 21927  		v.AddArg3(z, x, y)
 21928  		return true
 21929  	}
 21930  }
 21931  func rewriteValueARM64_OpMulAddInt16x8(v *Value) bool {
 21932  	v_2 := v.Args[2]
 21933  	v_1 := v.Args[1]
 21934  	v_0 := v.Args[0]
 21935  	// match: (MulAddInt16x8 x y z)
 21936  	// result: (VMLA8H z x y)
 21937  	for {
 21938  		x := v_0
 21939  		y := v_1
 21940  		z := v_2
 21941  		v.reset(OpARM64VMLA8H)
 21942  		v.AddArg3(z, x, y)
 21943  		return true
 21944  	}
 21945  }
 21946  func rewriteValueARM64_OpMulAddInt32x4(v *Value) bool {
 21947  	v_2 := v.Args[2]
 21948  	v_1 := v.Args[1]
 21949  	v_0 := v.Args[0]
 21950  	// match: (MulAddInt32x4 x y z)
 21951  	// result: (VMLA4S z x y)
 21952  	for {
 21953  		x := v_0
 21954  		y := v_1
 21955  		z := v_2
 21956  		v.reset(OpARM64VMLA4S)
 21957  		v.AddArg3(z, x, y)
 21958  		return true
 21959  	}
 21960  }
 21961  func rewriteValueARM64_OpMulAddInt8x16(v *Value) bool {
 21962  	v_2 := v.Args[2]
 21963  	v_1 := v.Args[1]
 21964  	v_0 := v.Args[0]
 21965  	// match: (MulAddInt8x16 x y z)
 21966  	// result: (VMLA16B z x y)
 21967  	for {
 21968  		x := v_0
 21969  		y := v_1
 21970  		z := v_2
 21971  		v.reset(OpARM64VMLA16B)
 21972  		v.AddArg3(z, x, y)
 21973  		return true
 21974  	}
 21975  }
 21976  func rewriteValueARM64_OpMulAddUint16x8(v *Value) bool {
 21977  	v_2 := v.Args[2]
 21978  	v_1 := v.Args[1]
 21979  	v_0 := v.Args[0]
 21980  	// match: (MulAddUint16x8 x y z)
 21981  	// result: (VMLA8H z x y)
 21982  	for {
 21983  		x := v_0
 21984  		y := v_1
 21985  		z := v_2
 21986  		v.reset(OpARM64VMLA8H)
 21987  		v.AddArg3(z, x, y)
 21988  		return true
 21989  	}
 21990  }
 21991  func rewriteValueARM64_OpMulAddUint32x4(v *Value) bool {
 21992  	v_2 := v.Args[2]
 21993  	v_1 := v.Args[1]
 21994  	v_0 := v.Args[0]
 21995  	// match: (MulAddUint32x4 x y z)
 21996  	// result: (VMLA4S z x y)
 21997  	for {
 21998  		x := v_0
 21999  		y := v_1
 22000  		z := v_2
 22001  		v.reset(OpARM64VMLA4S)
 22002  		v.AddArg3(z, x, y)
 22003  		return true
 22004  	}
 22005  }
 22006  func rewriteValueARM64_OpMulAddUint8x16(v *Value) bool {
 22007  	v_2 := v.Args[2]
 22008  	v_1 := v.Args[1]
 22009  	v_0 := v.Args[0]
 22010  	// match: (MulAddUint8x16 x y z)
 22011  	// result: (VMLA16B z x y)
 22012  	for {
 22013  		x := v_0
 22014  		y := v_1
 22015  		z := v_2
 22016  		v.reset(OpARM64VMLA16B)
 22017  		v.AddArg3(z, x, y)
 22018  		return true
 22019  	}
 22020  }
 22021  func rewriteValueARM64_OpNeq16(v *Value) bool {
 22022  	v_1 := v.Args[1]
 22023  	v_0 := v.Args[0]
 22024  	b := v.Block
 22025  	typ := &b.Func.Config.Types
 22026  	// match: (Neq16 x y)
 22027  	// result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 22028  	for {
 22029  		x := v_0
 22030  		y := v_1
 22031  		v.reset(OpARM64NotEqual)
 22032  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 22033  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22034  		v1.AddArg(x)
 22035  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22036  		v2.AddArg(y)
 22037  		v0.AddArg2(v1, v2)
 22038  		v.AddArg(v0)
 22039  		return true
 22040  	}
 22041  }
 22042  func rewriteValueARM64_OpNeq32(v *Value) bool {
 22043  	v_1 := v.Args[1]
 22044  	v_0 := v.Args[0]
 22045  	b := v.Block
 22046  	// match: (Neq32 x y)
 22047  	// result: (NotEqual (CMPW x y))
 22048  	for {
 22049  		x := v_0
 22050  		y := v_1
 22051  		v.reset(OpARM64NotEqual)
 22052  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 22053  		v0.AddArg2(x, y)
 22054  		v.AddArg(v0)
 22055  		return true
 22056  	}
 22057  }
 22058  func rewriteValueARM64_OpNeq32F(v *Value) bool {
 22059  	v_1 := v.Args[1]
 22060  	v_0 := v.Args[0]
 22061  	b := v.Block
 22062  	// match: (Neq32F x y)
 22063  	// result: (NotEqual (FCMPS x y))
 22064  	for {
 22065  		x := v_0
 22066  		y := v_1
 22067  		v.reset(OpARM64NotEqual)
 22068  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 22069  		v0.AddArg2(x, y)
 22070  		v.AddArg(v0)
 22071  		return true
 22072  	}
 22073  }
 22074  func rewriteValueARM64_OpNeq64(v *Value) bool {
 22075  	v_1 := v.Args[1]
 22076  	v_0 := v.Args[0]
 22077  	b := v.Block
 22078  	// match: (Neq64 x y)
 22079  	// result: (NotEqual (CMP x y))
 22080  	for {
 22081  		x := v_0
 22082  		y := v_1
 22083  		v.reset(OpARM64NotEqual)
 22084  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 22085  		v0.AddArg2(x, y)
 22086  		v.AddArg(v0)
 22087  		return true
 22088  	}
 22089  }
 22090  func rewriteValueARM64_OpNeq64F(v *Value) bool {
 22091  	v_1 := v.Args[1]
 22092  	v_0 := v.Args[0]
 22093  	b := v.Block
 22094  	// match: (Neq64F x y)
 22095  	// result: (NotEqual (FCMPD x y))
 22096  	for {
 22097  		x := v_0
 22098  		y := v_1
 22099  		v.reset(OpARM64NotEqual)
 22100  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 22101  		v0.AddArg2(x, y)
 22102  		v.AddArg(v0)
 22103  		return true
 22104  	}
 22105  }
 22106  func rewriteValueARM64_OpNeq8(v *Value) bool {
 22107  	v_1 := v.Args[1]
 22108  	v_0 := v.Args[0]
 22109  	b := v.Block
 22110  	typ := &b.Func.Config.Types
 22111  	// match: (Neq8 x y)
 22112  	// result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 22113  	for {
 22114  		x := v_0
 22115  		y := v_1
 22116  		v.reset(OpARM64NotEqual)
 22117  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 22118  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 22119  		v1.AddArg(x)
 22120  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 22121  		v2.AddArg(y)
 22122  		v0.AddArg2(v1, v2)
 22123  		v.AddArg(v0)
 22124  		return true
 22125  	}
 22126  }
 22127  func rewriteValueARM64_OpNeqPtr(v *Value) bool {
 22128  	v_1 := v.Args[1]
 22129  	v_0 := v.Args[0]
 22130  	b := v.Block
 22131  	// match: (NeqPtr x y)
 22132  	// result: (NotEqual (CMP x y))
 22133  	for {
 22134  		x := v_0
 22135  		y := v_1
 22136  		v.reset(OpARM64NotEqual)
 22137  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 22138  		v0.AddArg2(x, y)
 22139  		v.AddArg(v0)
 22140  		return true
 22141  	}
 22142  }
 22143  func rewriteValueARM64_OpNot(v *Value) bool {
 22144  	v_0 := v.Args[0]
 22145  	b := v.Block
 22146  	typ := &b.Func.Config.Types
 22147  	// match: (Not x)
 22148  	// result: (XOR (MOVDconst [1]) x)
 22149  	for {
 22150  		x := v_0
 22151  		v.reset(OpARM64XOR)
 22152  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22153  		v0.AuxInt = int64ToAuxInt(1)
 22154  		v.AddArg2(v0, x)
 22155  		return true
 22156  	}
 22157  }
 22158  func rewriteValueARM64_OpOffPtr(v *Value) bool {
 22159  	v_0 := v.Args[0]
 22160  	// match: (OffPtr [off] ptr:(SP))
 22161  	// cond: is32Bit(off)
 22162  	// result: (MOVDaddr [int32(off)] ptr)
 22163  	for {
 22164  		off := auxIntToInt64(v.AuxInt)
 22165  		ptr := v_0
 22166  		if ptr.Op != OpSP || !(is32Bit(off)) {
 22167  			break
 22168  		}
 22169  		v.reset(OpARM64MOVDaddr)
 22170  		v.AuxInt = int32ToAuxInt(int32(off))
 22171  		v.AddArg(ptr)
 22172  		return true
 22173  	}
 22174  	// match: (OffPtr [off] ptr)
 22175  	// result: (ADDconst [off] ptr)
 22176  	for {
 22177  		off := auxIntToInt64(v.AuxInt)
 22178  		ptr := v_0
 22179  		v.reset(OpARM64ADDconst)
 22180  		v.AuxInt = int64ToAuxInt(off)
 22181  		v.AddArg(ptr)
 22182  		return true
 22183  	}
 22184  }
 22185  func rewriteValueARM64_OpPopCount16(v *Value) bool {
 22186  	v_0 := v.Args[0]
 22187  	b := v.Block
 22188  	typ := &b.Func.Config.Types
 22189  	// match: (PopCount16 <t> x)
 22190  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x)))))
 22191  	for {
 22192  		t := v.Type
 22193  		x := v_0
 22194  		v.reset(OpARM64FMOVDfpgp)
 22195  		v.Type = t
 22196  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 22197  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 22198  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 22199  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22200  		v3.AddArg(x)
 22201  		v2.AddArg(v3)
 22202  		v1.AddArg(v2)
 22203  		v0.AddArg(v1)
 22204  		v.AddArg(v0)
 22205  		return true
 22206  	}
 22207  }
 22208  func rewriteValueARM64_OpPopCount32(v *Value) bool {
 22209  	v_0 := v.Args[0]
 22210  	b := v.Block
 22211  	typ := &b.Func.Config.Types
 22212  	// match: (PopCount32 <t> x)
 22213  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x)))))
 22214  	for {
 22215  		t := v.Type
 22216  		x := v_0
 22217  		v.reset(OpARM64FMOVDfpgp)
 22218  		v.Type = t
 22219  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 22220  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 22221  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 22222  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22223  		v3.AddArg(x)
 22224  		v2.AddArg(v3)
 22225  		v1.AddArg(v2)
 22226  		v0.AddArg(v1)
 22227  		v.AddArg(v0)
 22228  		return true
 22229  	}
 22230  }
 22231  func rewriteValueARM64_OpPopCount64(v *Value) bool {
 22232  	v_0 := v.Args[0]
 22233  	b := v.Block
 22234  	typ := &b.Func.Config.Types
 22235  	// match: (PopCount64 <t> x)
 22236  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x))))
 22237  	for {
 22238  		t := v.Type
 22239  		x := v_0
 22240  		v.reset(OpARM64FMOVDfpgp)
 22241  		v.Type = t
 22242  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 22243  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 22244  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 22245  		v2.AddArg(x)
 22246  		v1.AddArg(v2)
 22247  		v0.AddArg(v1)
 22248  		v.AddArg(v0)
 22249  		return true
 22250  	}
 22251  }
 22252  func rewriteValueARM64_OpPrefetchCache(v *Value) bool {
 22253  	v_1 := v.Args[1]
 22254  	v_0 := v.Args[0]
 22255  	// match: (PrefetchCache addr mem)
 22256  	// result: (PRFM [0] addr mem)
 22257  	for {
 22258  		addr := v_0
 22259  		mem := v_1
 22260  		v.reset(OpARM64PRFM)
 22261  		v.AuxInt = int64ToAuxInt(0)
 22262  		v.AddArg2(addr, mem)
 22263  		return true
 22264  	}
 22265  }
 22266  func rewriteValueARM64_OpPrefetchCacheStreamed(v *Value) bool {
 22267  	v_1 := v.Args[1]
 22268  	v_0 := v.Args[0]
 22269  	// match: (PrefetchCacheStreamed addr mem)
 22270  	// result: (PRFM [1] addr mem)
 22271  	for {
 22272  		addr := v_0
 22273  		mem := v_1
 22274  		v.reset(OpARM64PRFM)
 22275  		v.AuxInt = int64ToAuxInt(1)
 22276  		v.AddArg2(addr, mem)
 22277  		return true
 22278  	}
 22279  }
 22280  func rewriteValueARM64_OpPubBarrier(v *Value) bool {
 22281  	v_0 := v.Args[0]
 22282  	// match: (PubBarrier mem)
 22283  	// result: (DMB [0xe] mem)
 22284  	for {
 22285  		mem := v_0
 22286  		v.reset(OpARM64DMB)
 22287  		v.AuxInt = int64ToAuxInt(0xe)
 22288  		v.AddArg(mem)
 22289  		return true
 22290  	}
 22291  }
 22292  func rewriteValueARM64_OpRotateLeft16(v *Value) bool {
 22293  	v_1 := v.Args[1]
 22294  	v_0 := v.Args[0]
 22295  	b := v.Block
 22296  	typ := &b.Func.Config.Types
 22297  	// match: (RotateLeft16 <t> x (MOVDconst [c]))
 22298  	// result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15])))
 22299  	for {
 22300  		t := v.Type
 22301  		x := v_0
 22302  		if v_1.Op != OpARM64MOVDconst {
 22303  			break
 22304  		}
 22305  		c := auxIntToInt64(v_1.AuxInt)
 22306  		v.reset(OpOr16)
 22307  		v0 := b.NewValue0(v.Pos, OpLsh16x64, t)
 22308  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22309  		v1.AuxInt = int64ToAuxInt(c & 15)
 22310  		v0.AddArg2(x, v1)
 22311  		v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t)
 22312  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22313  		v3.AuxInt = int64ToAuxInt(-c & 15)
 22314  		v2.AddArg2(x, v3)
 22315  		v.AddArg2(v0, v2)
 22316  		return true
 22317  	}
 22318  	// match: (RotateLeft16 <t> x y)
 22319  	// result: (RORW <t> (ORshiftLL <typ.UInt32> (ZeroExt16to32 x) (ZeroExt16to32 x) [16]) (NEG <typ.Int64> y))
 22320  	for {
 22321  		t := v.Type
 22322  		x := v_0
 22323  		y := v_1
 22324  		v.reset(OpARM64RORW)
 22325  		v.Type = t
 22326  		v0 := b.NewValue0(v.Pos, OpARM64ORshiftLL, typ.UInt32)
 22327  		v0.AuxInt = int64ToAuxInt(16)
 22328  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22329  		v1.AddArg(x)
 22330  		v0.AddArg2(v1, v1)
 22331  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 22332  		v2.AddArg(y)
 22333  		v.AddArg2(v0, v2)
 22334  		return true
 22335  	}
 22336  }
 22337  func rewriteValueARM64_OpRotateLeft32(v *Value) bool {
 22338  	v_1 := v.Args[1]
 22339  	v_0 := v.Args[0]
 22340  	b := v.Block
 22341  	// match: (RotateLeft32 x y)
 22342  	// result: (RORW x (NEG <y.Type> y))
 22343  	for {
 22344  		x := v_0
 22345  		y := v_1
 22346  		v.reset(OpARM64RORW)
 22347  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 22348  		v0.AddArg(y)
 22349  		v.AddArg2(x, v0)
 22350  		return true
 22351  	}
 22352  }
 22353  func rewriteValueARM64_OpRotateLeft64(v *Value) bool {
 22354  	v_1 := v.Args[1]
 22355  	v_0 := v.Args[0]
 22356  	b := v.Block
 22357  	// match: (RotateLeft64 x y)
 22358  	// result: (ROR x (NEG <y.Type> y))
 22359  	for {
 22360  		x := v_0
 22361  		y := v_1
 22362  		v.reset(OpARM64ROR)
 22363  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 22364  		v0.AddArg(y)
 22365  		v.AddArg2(x, v0)
 22366  		return true
 22367  	}
 22368  }
 22369  func rewriteValueARM64_OpRotateLeft8(v *Value) bool {
 22370  	v_1 := v.Args[1]
 22371  	v_0 := v.Args[0]
 22372  	b := v.Block
 22373  	typ := &b.Func.Config.Types
 22374  	// match: (RotateLeft8 <t> x (MOVDconst [c]))
 22375  	// result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7])))
 22376  	for {
 22377  		t := v.Type
 22378  		x := v_0
 22379  		if v_1.Op != OpARM64MOVDconst {
 22380  			break
 22381  		}
 22382  		c := auxIntToInt64(v_1.AuxInt)
 22383  		v.reset(OpOr8)
 22384  		v0 := b.NewValue0(v.Pos, OpLsh8x64, t)
 22385  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22386  		v1.AuxInt = int64ToAuxInt(c & 7)
 22387  		v0.AddArg2(x, v1)
 22388  		v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t)
 22389  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22390  		v3.AuxInt = int64ToAuxInt(-c & 7)
 22391  		v2.AddArg2(x, v3)
 22392  		v.AddArg2(v0, v2)
 22393  		return true
 22394  	}
 22395  	// match: (RotateLeft8 <t> x y)
 22396  	// result: (OR <t> (SLL <t> x (ANDconst <typ.Int64> [7] y)) (SRL <t> (ZeroExt8to64 x) (ANDconst <typ.Int64> [7] (NEG <typ.Int64> y))))
 22397  	for {
 22398  		t := v.Type
 22399  		x := v_0
 22400  		y := v_1
 22401  		v.reset(OpARM64OR)
 22402  		v.Type = t
 22403  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 22404  		v1 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 22405  		v1.AuxInt = int64ToAuxInt(7)
 22406  		v1.AddArg(y)
 22407  		v0.AddArg2(x, v1)
 22408  		v2 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22409  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22410  		v3.AddArg(x)
 22411  		v4 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 22412  		v4.AuxInt = int64ToAuxInt(7)
 22413  		v5 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 22414  		v5.AddArg(y)
 22415  		v4.AddArg(v5)
 22416  		v2.AddArg2(v3, v4)
 22417  		v.AddArg2(v0, v2)
 22418  		return true
 22419  	}
 22420  }
 22421  func rewriteValueARM64_OpRsh16Ux16(v *Value) bool {
 22422  	v_1 := v.Args[1]
 22423  	v_0 := v.Args[0]
 22424  	b := v.Block
 22425  	typ := &b.Func.Config.Types
 22426  	// match: (Rsh16Ux16 <t> [bounded] x y)
 22427  	// result: (Rsh64Ux16 <t> [bounded] (ZeroExt16to64 x) y)
 22428  	for {
 22429  		t := v.Type
 22430  		bounded := auxIntToBool(v.AuxInt)
 22431  		x := v_0
 22432  		y := v_1
 22433  		v.reset(OpRsh64Ux16)
 22434  		v.Type = t
 22435  		v.AuxInt = boolToAuxInt(bounded)
 22436  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22437  		v0.AddArg(x)
 22438  		v.AddArg2(v0, y)
 22439  		return true
 22440  	}
 22441  }
 22442  func rewriteValueARM64_OpRsh16Ux32(v *Value) bool {
 22443  	v_1 := v.Args[1]
 22444  	v_0 := v.Args[0]
 22445  	b := v.Block
 22446  	typ := &b.Func.Config.Types
 22447  	// match: (Rsh16Ux32 <t> [bounded] x y)
 22448  	// result: (Rsh64Ux32 <t> [bounded] (ZeroExt16to64 x) y)
 22449  	for {
 22450  		t := v.Type
 22451  		bounded := auxIntToBool(v.AuxInt)
 22452  		x := v_0
 22453  		y := v_1
 22454  		v.reset(OpRsh64Ux32)
 22455  		v.Type = t
 22456  		v.AuxInt = boolToAuxInt(bounded)
 22457  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22458  		v0.AddArg(x)
 22459  		v.AddArg2(v0, y)
 22460  		return true
 22461  	}
 22462  }
 22463  func rewriteValueARM64_OpRsh16Ux64(v *Value) bool {
 22464  	v_1 := v.Args[1]
 22465  	v_0 := v.Args[0]
 22466  	b := v.Block
 22467  	typ := &b.Func.Config.Types
 22468  	// match: (Rsh16Ux64 <t> [bounded] x y)
 22469  	// result: (Rsh64Ux64 <t> [bounded] (ZeroExt16to64 x) y)
 22470  	for {
 22471  		t := v.Type
 22472  		bounded := auxIntToBool(v.AuxInt)
 22473  		x := v_0
 22474  		y := v_1
 22475  		v.reset(OpRsh64Ux64)
 22476  		v.Type = t
 22477  		v.AuxInt = boolToAuxInt(bounded)
 22478  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22479  		v0.AddArg(x)
 22480  		v.AddArg2(v0, y)
 22481  		return true
 22482  	}
 22483  }
 22484  func rewriteValueARM64_OpRsh16Ux8(v *Value) bool {
 22485  	v_1 := v.Args[1]
 22486  	v_0 := v.Args[0]
 22487  	b := v.Block
 22488  	typ := &b.Func.Config.Types
 22489  	// match: (Rsh16Ux8 <t> [bounded] x y)
 22490  	// result: (Rsh64Ux8 <t> [bounded] (ZeroExt16to64 x) y)
 22491  	for {
 22492  		t := v.Type
 22493  		bounded := auxIntToBool(v.AuxInt)
 22494  		x := v_0
 22495  		y := v_1
 22496  		v.reset(OpRsh64Ux8)
 22497  		v.Type = t
 22498  		v.AuxInt = boolToAuxInt(bounded)
 22499  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22500  		v0.AddArg(x)
 22501  		v.AddArg2(v0, y)
 22502  		return true
 22503  	}
 22504  }
 22505  func rewriteValueARM64_OpRsh16x16(v *Value) bool {
 22506  	v_1 := v.Args[1]
 22507  	v_0 := v.Args[0]
 22508  	b := v.Block
 22509  	typ := &b.Func.Config.Types
 22510  	// match: (Rsh16x16 <t> [bounded] x y)
 22511  	// result: (Rsh64x16 <t> [bounded] (SignExt16to64 x) y)
 22512  	for {
 22513  		t := v.Type
 22514  		bounded := auxIntToBool(v.AuxInt)
 22515  		x := v_0
 22516  		y := v_1
 22517  		v.reset(OpRsh64x16)
 22518  		v.Type = t
 22519  		v.AuxInt = boolToAuxInt(bounded)
 22520  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22521  		v0.AddArg(x)
 22522  		v.AddArg2(v0, y)
 22523  		return true
 22524  	}
 22525  }
 22526  func rewriteValueARM64_OpRsh16x32(v *Value) bool {
 22527  	v_1 := v.Args[1]
 22528  	v_0 := v.Args[0]
 22529  	b := v.Block
 22530  	typ := &b.Func.Config.Types
 22531  	// match: (Rsh16x32 <t> [bounded] x y)
 22532  	// result: (Rsh64x32 <t> [bounded] (SignExt16to64 x) y)
 22533  	for {
 22534  		t := v.Type
 22535  		bounded := auxIntToBool(v.AuxInt)
 22536  		x := v_0
 22537  		y := v_1
 22538  		v.reset(OpRsh64x32)
 22539  		v.Type = t
 22540  		v.AuxInt = boolToAuxInt(bounded)
 22541  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22542  		v0.AddArg(x)
 22543  		v.AddArg2(v0, y)
 22544  		return true
 22545  	}
 22546  }
 22547  func rewriteValueARM64_OpRsh16x64(v *Value) bool {
 22548  	v_1 := v.Args[1]
 22549  	v_0 := v.Args[0]
 22550  	b := v.Block
 22551  	typ := &b.Func.Config.Types
 22552  	// match: (Rsh16x64 <t> [bounded] x y)
 22553  	// result: (Rsh64x64 <t> [bounded] (SignExt16to64 x) y)
 22554  	for {
 22555  		t := v.Type
 22556  		bounded := auxIntToBool(v.AuxInt)
 22557  		x := v_0
 22558  		y := v_1
 22559  		v.reset(OpRsh64x64)
 22560  		v.Type = t
 22561  		v.AuxInt = boolToAuxInt(bounded)
 22562  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22563  		v0.AddArg(x)
 22564  		v.AddArg2(v0, y)
 22565  		return true
 22566  	}
 22567  }
 22568  func rewriteValueARM64_OpRsh16x8(v *Value) bool {
 22569  	v_1 := v.Args[1]
 22570  	v_0 := v.Args[0]
 22571  	b := v.Block
 22572  	typ := &b.Func.Config.Types
 22573  	// match: (Rsh16x8 <t> [bounded] x y)
 22574  	// result: (Rsh64x8 <t> [bounded] (SignExt16to64 x) y)
 22575  	for {
 22576  		t := v.Type
 22577  		bounded := auxIntToBool(v.AuxInt)
 22578  		x := v_0
 22579  		y := v_1
 22580  		v.reset(OpRsh64x8)
 22581  		v.Type = t
 22582  		v.AuxInt = boolToAuxInt(bounded)
 22583  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22584  		v0.AddArg(x)
 22585  		v.AddArg2(v0, y)
 22586  		return true
 22587  	}
 22588  }
 22589  func rewriteValueARM64_OpRsh32Ux16(v *Value) bool {
 22590  	v_1 := v.Args[1]
 22591  	v_0 := v.Args[0]
 22592  	b := v.Block
 22593  	typ := &b.Func.Config.Types
 22594  	// match: (Rsh32Ux16 <t> [bounded] x y)
 22595  	// result: (Rsh64Ux16 <t> [bounded] (ZeroExt32to64 x) y)
 22596  	for {
 22597  		t := v.Type
 22598  		bounded := auxIntToBool(v.AuxInt)
 22599  		x := v_0
 22600  		y := v_1
 22601  		v.reset(OpRsh64Ux16)
 22602  		v.Type = t
 22603  		v.AuxInt = boolToAuxInt(bounded)
 22604  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22605  		v0.AddArg(x)
 22606  		v.AddArg2(v0, y)
 22607  		return true
 22608  	}
 22609  }
 22610  func rewriteValueARM64_OpRsh32Ux32(v *Value) bool {
 22611  	v_1 := v.Args[1]
 22612  	v_0 := v.Args[0]
 22613  	b := v.Block
 22614  	typ := &b.Func.Config.Types
 22615  	// match: (Rsh32Ux32 <t> [bounded] x y)
 22616  	// result: (Rsh64Ux32 <t> [bounded] (ZeroExt32to64 x) y)
 22617  	for {
 22618  		t := v.Type
 22619  		bounded := auxIntToBool(v.AuxInt)
 22620  		x := v_0
 22621  		y := v_1
 22622  		v.reset(OpRsh64Ux32)
 22623  		v.Type = t
 22624  		v.AuxInt = boolToAuxInt(bounded)
 22625  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22626  		v0.AddArg(x)
 22627  		v.AddArg2(v0, y)
 22628  		return true
 22629  	}
 22630  }
 22631  func rewriteValueARM64_OpRsh32Ux64(v *Value) bool {
 22632  	v_1 := v.Args[1]
 22633  	v_0 := v.Args[0]
 22634  	b := v.Block
 22635  	typ := &b.Func.Config.Types
 22636  	// match: (Rsh32Ux64 <t> [bounded] x y)
 22637  	// result: (Rsh64Ux64 <t> [bounded] (ZeroExt32to64 x) y)
 22638  	for {
 22639  		t := v.Type
 22640  		bounded := auxIntToBool(v.AuxInt)
 22641  		x := v_0
 22642  		y := v_1
 22643  		v.reset(OpRsh64Ux64)
 22644  		v.Type = t
 22645  		v.AuxInt = boolToAuxInt(bounded)
 22646  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22647  		v0.AddArg(x)
 22648  		v.AddArg2(v0, y)
 22649  		return true
 22650  	}
 22651  }
 22652  func rewriteValueARM64_OpRsh32Ux8(v *Value) bool {
 22653  	v_1 := v.Args[1]
 22654  	v_0 := v.Args[0]
 22655  	b := v.Block
 22656  	typ := &b.Func.Config.Types
 22657  	// match: (Rsh32Ux8 <t> [bounded] x y)
 22658  	// result: (Rsh64Ux8 <t> [bounded] (ZeroExt32to64 x) y)
 22659  	for {
 22660  		t := v.Type
 22661  		bounded := auxIntToBool(v.AuxInt)
 22662  		x := v_0
 22663  		y := v_1
 22664  		v.reset(OpRsh64Ux8)
 22665  		v.Type = t
 22666  		v.AuxInt = boolToAuxInt(bounded)
 22667  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22668  		v0.AddArg(x)
 22669  		v.AddArg2(v0, y)
 22670  		return true
 22671  	}
 22672  }
 22673  func rewriteValueARM64_OpRsh32x16(v *Value) bool {
 22674  	v_1 := v.Args[1]
 22675  	v_0 := v.Args[0]
 22676  	b := v.Block
 22677  	typ := &b.Func.Config.Types
 22678  	// match: (Rsh32x16 <t> [bounded] x y)
 22679  	// result: (Rsh64x16 <t> [bounded] (SignExt32to64 x) y)
 22680  	for {
 22681  		t := v.Type
 22682  		bounded := auxIntToBool(v.AuxInt)
 22683  		x := v_0
 22684  		y := v_1
 22685  		v.reset(OpRsh64x16)
 22686  		v.Type = t
 22687  		v.AuxInt = boolToAuxInt(bounded)
 22688  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22689  		v0.AddArg(x)
 22690  		v.AddArg2(v0, y)
 22691  		return true
 22692  	}
 22693  }
 22694  func rewriteValueARM64_OpRsh32x32(v *Value) bool {
 22695  	v_1 := v.Args[1]
 22696  	v_0 := v.Args[0]
 22697  	b := v.Block
 22698  	typ := &b.Func.Config.Types
 22699  	// match: (Rsh32x32 <t> [bounded] x y)
 22700  	// result: (Rsh64x32 <t> [bounded] (SignExt32to64 x) y)
 22701  	for {
 22702  		t := v.Type
 22703  		bounded := auxIntToBool(v.AuxInt)
 22704  		x := v_0
 22705  		y := v_1
 22706  		v.reset(OpRsh64x32)
 22707  		v.Type = t
 22708  		v.AuxInt = boolToAuxInt(bounded)
 22709  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22710  		v0.AddArg(x)
 22711  		v.AddArg2(v0, y)
 22712  		return true
 22713  	}
 22714  }
 22715  func rewriteValueARM64_OpRsh32x64(v *Value) bool {
 22716  	v_1 := v.Args[1]
 22717  	v_0 := v.Args[0]
 22718  	b := v.Block
 22719  	typ := &b.Func.Config.Types
 22720  	// match: (Rsh32x64 <t> [bounded] x y)
 22721  	// result: (Rsh64x64 <t> [bounded] (SignExt32to64 x) y)
 22722  	for {
 22723  		t := v.Type
 22724  		bounded := auxIntToBool(v.AuxInt)
 22725  		x := v_0
 22726  		y := v_1
 22727  		v.reset(OpRsh64x64)
 22728  		v.Type = t
 22729  		v.AuxInt = boolToAuxInt(bounded)
 22730  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22731  		v0.AddArg(x)
 22732  		v.AddArg2(v0, y)
 22733  		return true
 22734  	}
 22735  }
 22736  func rewriteValueARM64_OpRsh32x8(v *Value) bool {
 22737  	v_1 := v.Args[1]
 22738  	v_0 := v.Args[0]
 22739  	b := v.Block
 22740  	typ := &b.Func.Config.Types
 22741  	// match: (Rsh32x8 <t> [bounded] x y)
 22742  	// result: (Rsh64x8 <t> [bounded] (SignExt32to64 x) y)
 22743  	for {
 22744  		t := v.Type
 22745  		bounded := auxIntToBool(v.AuxInt)
 22746  		x := v_0
 22747  		y := v_1
 22748  		v.reset(OpRsh64x8)
 22749  		v.Type = t
 22750  		v.AuxInt = boolToAuxInt(bounded)
 22751  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22752  		v0.AddArg(x)
 22753  		v.AddArg2(v0, y)
 22754  		return true
 22755  	}
 22756  }
 22757  func rewriteValueARM64_OpRsh64Ux16(v *Value) bool {
 22758  	v_1 := v.Args[1]
 22759  	v_0 := v.Args[0]
 22760  	b := v.Block
 22761  	typ := &b.Func.Config.Types
 22762  	// match: (Rsh64Ux16 <t> x y)
 22763  	// cond: shiftIsBounded(v)
 22764  	// result: (SRL <t> x y)
 22765  	for {
 22766  		t := v.Type
 22767  		x := v_0
 22768  		y := v_1
 22769  		if !(shiftIsBounded(v)) {
 22770  			break
 22771  		}
 22772  		v.reset(OpARM64SRL)
 22773  		v.Type = t
 22774  		v.AddArg2(x, y)
 22775  		return true
 22776  	}
 22777  	// match: (Rsh64Ux16 <t> [bounded] x y)
 22778  	// cond: !shiftIsBounded(v)
 22779  	// result: (Rsh64Ux32 <t> [bounded] x (ZeroExt16to32 y))
 22780  	for {
 22781  		t := v.Type
 22782  		bounded := auxIntToBool(v.AuxInt)
 22783  		x := v_0
 22784  		y := v_1
 22785  		if !(!shiftIsBounded(v)) {
 22786  			break
 22787  		}
 22788  		v.reset(OpRsh64Ux32)
 22789  		v.Type = t
 22790  		v.AuxInt = boolToAuxInt(bounded)
 22791  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22792  		v0.AddArg(y)
 22793  		v.AddArg2(x, v0)
 22794  		return true
 22795  	}
 22796  	return false
 22797  }
 22798  func rewriteValueARM64_OpRsh64Ux32(v *Value) bool {
 22799  	v_1 := v.Args[1]
 22800  	v_0 := v.Args[0]
 22801  	b := v.Block
 22802  	// match: (Rsh64Ux32 <t> x y)
 22803  	// cond: shiftIsBounded(v)
 22804  	// result: (SRL <t> x y)
 22805  	for {
 22806  		t := v.Type
 22807  		x := v_0
 22808  		y := v_1
 22809  		if !(shiftIsBounded(v)) {
 22810  			break
 22811  		}
 22812  		v.reset(OpARM64SRL)
 22813  		v.Type = t
 22814  		v.AddArg2(x, y)
 22815  		return true
 22816  	}
 22817  	// match: (Rsh64Ux32 <t> x y)
 22818  	// cond: !shiftIsBounded(v)
 22819  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPWconst [64] y))
 22820  	for {
 22821  		t := v.Type
 22822  		x := v_0
 22823  		y := v_1
 22824  		if !(!shiftIsBounded(v)) {
 22825  			break
 22826  		}
 22827  		v.reset(OpARM64CSEL)
 22828  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22829  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22830  		v0.AddArg2(x, y)
 22831  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22832  		v1.AuxInt = int64ToAuxInt(0)
 22833  		v2 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
 22834  		v2.AuxInt = int32ToAuxInt(64)
 22835  		v2.AddArg(y)
 22836  		v.AddArg3(v0, v1, v2)
 22837  		return true
 22838  	}
 22839  	return false
 22840  }
 22841  func rewriteValueARM64_OpRsh64Ux64(v *Value) bool {
 22842  	v_1 := v.Args[1]
 22843  	v_0 := v.Args[0]
 22844  	b := v.Block
 22845  	// match: (Rsh64Ux64 <t> x y)
 22846  	// cond: shiftIsBounded(v)
 22847  	// result: (SRL <t> x y)
 22848  	for {
 22849  		t := v.Type
 22850  		x := v_0
 22851  		y := v_1
 22852  		if !(shiftIsBounded(v)) {
 22853  			break
 22854  		}
 22855  		v.reset(OpARM64SRL)
 22856  		v.Type = t
 22857  		v.AddArg2(x, y)
 22858  		return true
 22859  	}
 22860  	// match: (Rsh64Ux64 <t> x y)
 22861  	// cond: !shiftIsBounded(v)
 22862  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 22863  	for {
 22864  		t := v.Type
 22865  		x := v_0
 22866  		y := v_1
 22867  		if !(!shiftIsBounded(v)) {
 22868  			break
 22869  		}
 22870  		v.reset(OpARM64CSEL)
 22871  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22872  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22873  		v0.AddArg2(x, y)
 22874  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22875  		v1.AuxInt = int64ToAuxInt(0)
 22876  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22877  		v2.AuxInt = int64ToAuxInt(64)
 22878  		v2.AddArg(y)
 22879  		v.AddArg3(v0, v1, v2)
 22880  		return true
 22881  	}
 22882  	return false
 22883  }
 22884  func rewriteValueARM64_OpRsh64Ux8(v *Value) bool {
 22885  	v_1 := v.Args[1]
 22886  	v_0 := v.Args[0]
 22887  	b := v.Block
 22888  	typ := &b.Func.Config.Types
 22889  	// match: (Rsh64Ux8 <t> x y)
 22890  	// cond: shiftIsBounded(v)
 22891  	// result: (SRL <t> x y)
 22892  	for {
 22893  		t := v.Type
 22894  		x := v_0
 22895  		y := v_1
 22896  		if !(shiftIsBounded(v)) {
 22897  			break
 22898  		}
 22899  		v.reset(OpARM64SRL)
 22900  		v.Type = t
 22901  		v.AddArg2(x, y)
 22902  		return true
 22903  	}
 22904  	// match: (Rsh64Ux8 <t> [bounded] x y)
 22905  	// cond: !shiftIsBounded(v)
 22906  	// result: (Rsh64Ux32 <t> [bounded] x (ZeroExt8to32 y))
 22907  	for {
 22908  		t := v.Type
 22909  		bounded := auxIntToBool(v.AuxInt)
 22910  		x := v_0
 22911  		y := v_1
 22912  		if !(!shiftIsBounded(v)) {
 22913  			break
 22914  		}
 22915  		v.reset(OpRsh64Ux32)
 22916  		v.Type = t
 22917  		v.AuxInt = boolToAuxInt(bounded)
 22918  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 22919  		v0.AddArg(y)
 22920  		v.AddArg2(x, v0)
 22921  		return true
 22922  	}
 22923  	return false
 22924  }
 22925  func rewriteValueARM64_OpRsh64x16(v *Value) bool {
 22926  	v_1 := v.Args[1]
 22927  	v_0 := v.Args[0]
 22928  	b := v.Block
 22929  	typ := &b.Func.Config.Types
 22930  	// match: (Rsh64x16 <t> x y)
 22931  	// cond: shiftIsBounded(v)
 22932  	// result: (SRA <t> x y)
 22933  	for {
 22934  		t := v.Type
 22935  		x := v_0
 22936  		y := v_1
 22937  		if !(shiftIsBounded(v)) {
 22938  			break
 22939  		}
 22940  		v.reset(OpARM64SRA)
 22941  		v.Type = t
 22942  		v.AddArg2(x, y)
 22943  		return true
 22944  	}
 22945  	// match: (Rsh64x16 <t> [bounded] x y)
 22946  	// cond: !shiftIsBounded(v)
 22947  	// result: (Rsh64x32 <t> [bounded] x (ZeroExt16to32 y))
 22948  	for {
 22949  		t := v.Type
 22950  		bounded := auxIntToBool(v.AuxInt)
 22951  		x := v_0
 22952  		y := v_1
 22953  		if !(!shiftIsBounded(v)) {
 22954  			break
 22955  		}
 22956  		v.reset(OpRsh64x32)
 22957  		v.Type = t
 22958  		v.AuxInt = boolToAuxInt(bounded)
 22959  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22960  		v0.AddArg(y)
 22961  		v.AddArg2(x, v0)
 22962  		return true
 22963  	}
 22964  	return false
 22965  }
 22966  func rewriteValueARM64_OpRsh64x32(v *Value) bool {
 22967  	v_1 := v.Args[1]
 22968  	v_0 := v.Args[0]
 22969  	b := v.Block
 22970  	// match: (Rsh64x32 <t> x y)
 22971  	// cond: shiftIsBounded(v)
 22972  	// result: (SRA <t> x y)
 22973  	for {
 22974  		t := v.Type
 22975  		x := v_0
 22976  		y := v_1
 22977  		if !(shiftIsBounded(v)) {
 22978  			break
 22979  		}
 22980  		v.reset(OpARM64SRA)
 22981  		v.Type = t
 22982  		v.AddArg2(x, y)
 22983  		return true
 22984  	}
 22985  	// match: (Rsh64x32 <t> x y)
 22986  	// cond: !shiftIsBounded(v)
 22987  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPWconst [64] y)))
 22988  	for {
 22989  		x := v_0
 22990  		y := v_1
 22991  		if !(!shiftIsBounded(v)) {
 22992  			break
 22993  		}
 22994  		v.reset(OpARM64SRA)
 22995  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22996  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22997  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22998  		v1.AuxInt = int64ToAuxInt(63)
 22999  		v2 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
 23000  		v2.AuxInt = int32ToAuxInt(64)
 23001  		v2.AddArg(y)
 23002  		v0.AddArg3(y, v1, v2)
 23003  		v.AddArg2(x, v0)
 23004  		return true
 23005  	}
 23006  	return false
 23007  }
 23008  func rewriteValueARM64_OpRsh64x64(v *Value) bool {
 23009  	v_1 := v.Args[1]
 23010  	v_0 := v.Args[0]
 23011  	b := v.Block
 23012  	// match: (Rsh64x64 <t> x y)
 23013  	// cond: shiftIsBounded(v)
 23014  	// result: (SRA <t> x y)
 23015  	for {
 23016  		t := v.Type
 23017  		x := v_0
 23018  		y := v_1
 23019  		if !(shiftIsBounded(v)) {
 23020  			break
 23021  		}
 23022  		v.reset(OpARM64SRA)
 23023  		v.Type = t
 23024  		v.AddArg2(x, y)
 23025  		return true
 23026  	}
 23027  	// match: (Rsh64x64 <t> x y)
 23028  	// cond: !shiftIsBounded(v)
 23029  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 23030  	for {
 23031  		x := v_0
 23032  		y := v_1
 23033  		if !(!shiftIsBounded(v)) {
 23034  			break
 23035  		}
 23036  		v.reset(OpARM64SRA)
 23037  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23038  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 23039  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23040  		v1.AuxInt = int64ToAuxInt(63)
 23041  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23042  		v2.AuxInt = int64ToAuxInt(64)
 23043  		v2.AddArg(y)
 23044  		v0.AddArg3(y, v1, v2)
 23045  		v.AddArg2(x, v0)
 23046  		return true
 23047  	}
 23048  	return false
 23049  }
 23050  func rewriteValueARM64_OpRsh64x8(v *Value) bool {
 23051  	v_1 := v.Args[1]
 23052  	v_0 := v.Args[0]
 23053  	b := v.Block
 23054  	typ := &b.Func.Config.Types
 23055  	// match: (Rsh64x8 <t> x y)
 23056  	// cond: shiftIsBounded(v)
 23057  	// result: (SRA <t> x y)
 23058  	for {
 23059  		t := v.Type
 23060  		x := v_0
 23061  		y := v_1
 23062  		if !(shiftIsBounded(v)) {
 23063  			break
 23064  		}
 23065  		v.reset(OpARM64SRA)
 23066  		v.Type = t
 23067  		v.AddArg2(x, y)
 23068  		return true
 23069  	}
 23070  	// match: (Rsh64x8 <t> [bounded] x y)
 23071  	// cond: !shiftIsBounded(v)
 23072  	// result: (Rsh64x32 <t> [bounded] x (ZeroExt8to32 y))
 23073  	for {
 23074  		t := v.Type
 23075  		bounded := auxIntToBool(v.AuxInt)
 23076  		x := v_0
 23077  		y := v_1
 23078  		if !(!shiftIsBounded(v)) {
 23079  			break
 23080  		}
 23081  		v.reset(OpRsh64x32)
 23082  		v.Type = t
 23083  		v.AuxInt = boolToAuxInt(bounded)
 23084  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 23085  		v0.AddArg(y)
 23086  		v.AddArg2(x, v0)
 23087  		return true
 23088  	}
 23089  	return false
 23090  }
 23091  func rewriteValueARM64_OpRsh8Ux16(v *Value) bool {
 23092  	v_1 := v.Args[1]
 23093  	v_0 := v.Args[0]
 23094  	b := v.Block
 23095  	typ := &b.Func.Config.Types
 23096  	// match: (Rsh8Ux16 <t> [bounded] x y)
 23097  	// result: (Rsh64Ux16 <t> [bounded] (ZeroExt8to64 x) y)
 23098  	for {
 23099  		t := v.Type
 23100  		bounded := auxIntToBool(v.AuxInt)
 23101  		x := v_0
 23102  		y := v_1
 23103  		v.reset(OpRsh64Ux16)
 23104  		v.Type = t
 23105  		v.AuxInt = boolToAuxInt(bounded)
 23106  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23107  		v0.AddArg(x)
 23108  		v.AddArg2(v0, y)
 23109  		return true
 23110  	}
 23111  }
 23112  func rewriteValueARM64_OpRsh8Ux32(v *Value) bool {
 23113  	v_1 := v.Args[1]
 23114  	v_0 := v.Args[0]
 23115  	b := v.Block
 23116  	typ := &b.Func.Config.Types
 23117  	// match: (Rsh8Ux32 <t> [bounded] x y)
 23118  	// result: (Rsh64Ux32 <t> [bounded] (ZeroExt8to64 x) y)
 23119  	for {
 23120  		t := v.Type
 23121  		bounded := auxIntToBool(v.AuxInt)
 23122  		x := v_0
 23123  		y := v_1
 23124  		v.reset(OpRsh64Ux32)
 23125  		v.Type = t
 23126  		v.AuxInt = boolToAuxInt(bounded)
 23127  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23128  		v0.AddArg(x)
 23129  		v.AddArg2(v0, y)
 23130  		return true
 23131  	}
 23132  }
 23133  func rewriteValueARM64_OpRsh8Ux64(v *Value) bool {
 23134  	v_1 := v.Args[1]
 23135  	v_0 := v.Args[0]
 23136  	b := v.Block
 23137  	typ := &b.Func.Config.Types
 23138  	// match: (Rsh8Ux64 <t> [bounded] x y)
 23139  	// result: (Rsh64Ux64 <t> [bounded] (ZeroExt8to64 x) y)
 23140  	for {
 23141  		t := v.Type
 23142  		bounded := auxIntToBool(v.AuxInt)
 23143  		x := v_0
 23144  		y := v_1
 23145  		v.reset(OpRsh64Ux64)
 23146  		v.Type = t
 23147  		v.AuxInt = boolToAuxInt(bounded)
 23148  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23149  		v0.AddArg(x)
 23150  		v.AddArg2(v0, y)
 23151  		return true
 23152  	}
 23153  }
 23154  func rewriteValueARM64_OpRsh8Ux8(v *Value) bool {
 23155  	v_1 := v.Args[1]
 23156  	v_0 := v.Args[0]
 23157  	b := v.Block
 23158  	typ := &b.Func.Config.Types
 23159  	// match: (Rsh8Ux8 <t> [bounded] x y)
 23160  	// result: (Rsh64Ux8 <t> [bounded] (ZeroExt8to64 x) y)
 23161  	for {
 23162  		t := v.Type
 23163  		bounded := auxIntToBool(v.AuxInt)
 23164  		x := v_0
 23165  		y := v_1
 23166  		v.reset(OpRsh64Ux8)
 23167  		v.Type = t
 23168  		v.AuxInt = boolToAuxInt(bounded)
 23169  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23170  		v0.AddArg(x)
 23171  		v.AddArg2(v0, y)
 23172  		return true
 23173  	}
 23174  }
 23175  func rewriteValueARM64_OpRsh8x16(v *Value) bool {
 23176  	v_1 := v.Args[1]
 23177  	v_0 := v.Args[0]
 23178  	b := v.Block
 23179  	typ := &b.Func.Config.Types
 23180  	// match: (Rsh8x16 <t> [bounded] x y)
 23181  	// result: (Rsh64x16 <t> [bounded] (SignExt8to64 x) y)
 23182  	for {
 23183  		t := v.Type
 23184  		bounded := auxIntToBool(v.AuxInt)
 23185  		x := v_0
 23186  		y := v_1
 23187  		v.reset(OpRsh64x16)
 23188  		v.Type = t
 23189  		v.AuxInt = boolToAuxInt(bounded)
 23190  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23191  		v0.AddArg(x)
 23192  		v.AddArg2(v0, y)
 23193  		return true
 23194  	}
 23195  }
 23196  func rewriteValueARM64_OpRsh8x32(v *Value) bool {
 23197  	v_1 := v.Args[1]
 23198  	v_0 := v.Args[0]
 23199  	b := v.Block
 23200  	typ := &b.Func.Config.Types
 23201  	// match: (Rsh8x32 <t> [bounded] x y)
 23202  	// result: (Rsh64x32 <t> [bounded] (SignExt8to64 x) y)
 23203  	for {
 23204  		t := v.Type
 23205  		bounded := auxIntToBool(v.AuxInt)
 23206  		x := v_0
 23207  		y := v_1
 23208  		v.reset(OpRsh64x32)
 23209  		v.Type = t
 23210  		v.AuxInt = boolToAuxInt(bounded)
 23211  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23212  		v0.AddArg(x)
 23213  		v.AddArg2(v0, y)
 23214  		return true
 23215  	}
 23216  }
 23217  func rewriteValueARM64_OpRsh8x64(v *Value) bool {
 23218  	v_1 := v.Args[1]
 23219  	v_0 := v.Args[0]
 23220  	b := v.Block
 23221  	typ := &b.Func.Config.Types
 23222  	// match: (Rsh8x64 <t> [bounded] x y)
 23223  	// result: (Rsh64x64 <t> [bounded] (SignExt8to64 x) y)
 23224  	for {
 23225  		t := v.Type
 23226  		bounded := auxIntToBool(v.AuxInt)
 23227  		x := v_0
 23228  		y := v_1
 23229  		v.reset(OpRsh64x64)
 23230  		v.Type = t
 23231  		v.AuxInt = boolToAuxInt(bounded)
 23232  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23233  		v0.AddArg(x)
 23234  		v.AddArg2(v0, y)
 23235  		return true
 23236  	}
 23237  }
 23238  func rewriteValueARM64_OpRsh8x8(v *Value) bool {
 23239  	v_1 := v.Args[1]
 23240  	v_0 := v.Args[0]
 23241  	b := v.Block
 23242  	typ := &b.Func.Config.Types
 23243  	// match: (Rsh8x8 <t> [bounded] x y)
 23244  	// result: (Rsh64x8 <t> [bounded] (SignExt8to64 x) y)
 23245  	for {
 23246  		t := v.Type
 23247  		bounded := auxIntToBool(v.AuxInt)
 23248  		x := v_0
 23249  		y := v_1
 23250  		v.reset(OpRsh64x8)
 23251  		v.Type = t
 23252  		v.AuxInt = boolToAuxInt(bounded)
 23253  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23254  		v0.AddArg(x)
 23255  		v.AddArg2(v0, y)
 23256  		return true
 23257  	}
 23258  }
 23259  func rewriteValueARM64_OpSelect0(v *Value) bool {
 23260  	v_0 := v.Args[0]
 23261  	b := v.Block
 23262  	typ := &b.Func.Config.Types
 23263  	// match: (Select0 (Mul64uhilo x y))
 23264  	// result: (UMULH x y)
 23265  	for {
 23266  		if v_0.Op != OpMul64uhilo {
 23267  			break
 23268  		}
 23269  		y := v_0.Args[1]
 23270  		x := v_0.Args[0]
 23271  		v.reset(OpARM64UMULH)
 23272  		v.AddArg2(x, y)
 23273  		return true
 23274  	}
 23275  	// match: (Select0 (Add64carry x y c))
 23276  	// result: (Select0 <typ.UInt64> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c))))
 23277  	for {
 23278  		if v_0.Op != OpAdd64carry {
 23279  			break
 23280  		}
 23281  		c := v_0.Args[2]
 23282  		x := v_0.Args[0]
 23283  		y := v_0.Args[1]
 23284  		v.reset(OpSelect0)
 23285  		v.Type = typ.UInt64
 23286  		v0 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23287  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23288  		v2 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23289  		v2.AuxInt = int64ToAuxInt(-1)
 23290  		v2.AddArg(c)
 23291  		v1.AddArg(v2)
 23292  		v0.AddArg3(x, y, v1)
 23293  		v.AddArg(v0)
 23294  		return true
 23295  	}
 23296  	// match: (Select0 (Sub64borrow x y bo))
 23297  	// result: (Select0 <typ.UInt64> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))
 23298  	for {
 23299  		if v_0.Op != OpSub64borrow {
 23300  			break
 23301  		}
 23302  		bo := v_0.Args[2]
 23303  		x := v_0.Args[0]
 23304  		y := v_0.Args[1]
 23305  		v.reset(OpSelect0)
 23306  		v.Type = typ.UInt64
 23307  		v0 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23308  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23309  		v2 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23310  		v2.AddArg(bo)
 23311  		v1.AddArg(v2)
 23312  		v0.AddArg3(x, y, v1)
 23313  		v.AddArg(v0)
 23314  		return true
 23315  	}
 23316  	// match: (Select0 (Mul64uover x y))
 23317  	// result: (MUL x y)
 23318  	for {
 23319  		if v_0.Op != OpMul64uover {
 23320  			break
 23321  		}
 23322  		y := v_0.Args[1]
 23323  		x := v_0.Args[0]
 23324  		v.reset(OpARM64MUL)
 23325  		v.AddArg2(x, y)
 23326  		return true
 23327  	}
 23328  	return false
 23329  }
 23330  func rewriteValueARM64_OpSelect1(v *Value) bool {
 23331  	v_0 := v.Args[0]
 23332  	b := v.Block
 23333  	typ := &b.Func.Config.Types
 23334  	// match: (Select1 (Mul64uhilo x y))
 23335  	// result: (MUL x y)
 23336  	for {
 23337  		if v_0.Op != OpMul64uhilo {
 23338  			break
 23339  		}
 23340  		y := v_0.Args[1]
 23341  		x := v_0.Args[0]
 23342  		v.reset(OpARM64MUL)
 23343  		v.AddArg2(x, y)
 23344  		return true
 23345  	}
 23346  	// match: (Select1 (Add64carry x y c))
 23347  	// result: (ADCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c)))))
 23348  	for {
 23349  		if v_0.Op != OpAdd64carry {
 23350  			break
 23351  		}
 23352  		c := v_0.Args[2]
 23353  		x := v_0.Args[0]
 23354  		y := v_0.Args[1]
 23355  		v.reset(OpARM64ADCzerocarry)
 23356  		v.Type = typ.UInt64
 23357  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23358  		v1 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23359  		v2 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23360  		v3 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23361  		v3.AuxInt = int64ToAuxInt(-1)
 23362  		v3.AddArg(c)
 23363  		v2.AddArg(v3)
 23364  		v1.AddArg3(x, y, v2)
 23365  		v0.AddArg(v1)
 23366  		v.AddArg(v0)
 23367  		return true
 23368  	}
 23369  	// match: (Select1 (Sub64borrow x y bo))
 23370  	// result: (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))))
 23371  	for {
 23372  		if v_0.Op != OpSub64borrow {
 23373  			break
 23374  		}
 23375  		bo := v_0.Args[2]
 23376  		x := v_0.Args[0]
 23377  		y := v_0.Args[1]
 23378  		v.reset(OpARM64NEG)
 23379  		v.Type = typ.UInt64
 23380  		v0 := b.NewValue0(v.Pos, OpARM64NGCzerocarry, typ.UInt64)
 23381  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23382  		v2 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23383  		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23384  		v4 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23385  		v4.AddArg(bo)
 23386  		v3.AddArg(v4)
 23387  		v2.AddArg3(x, y, v3)
 23388  		v1.AddArg(v2)
 23389  		v0.AddArg(v1)
 23390  		v.AddArg(v0)
 23391  		return true
 23392  	}
 23393  	// match: (Select1 (Mul64uover x y))
 23394  	// result: (NotEqual (CMPconst (UMULH <typ.UInt64> x y) [0]))
 23395  	for {
 23396  		if v_0.Op != OpMul64uover {
 23397  			break
 23398  		}
 23399  		y := v_0.Args[1]
 23400  		x := v_0.Args[0]
 23401  		v.reset(OpARM64NotEqual)
 23402  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23403  		v0.AuxInt = int64ToAuxInt(0)
 23404  		v1 := b.NewValue0(v.Pos, OpARM64UMULH, typ.UInt64)
 23405  		v1.AddArg2(x, y)
 23406  		v0.AddArg(v1)
 23407  		v.AddArg(v0)
 23408  		return true
 23409  	}
 23410  	return false
 23411  }
 23412  func rewriteValueARM64_OpSelectN(v *Value) bool {
 23413  	v_0 := v.Args[0]
 23414  	b := v.Block
 23415  	config := b.Func.Config
 23416  	// match: (SelectN [0] call:(CALLstatic {sym} s1:(MOVDstore _ (MOVDconst [sz]) s2:(MOVDstore _ src s3:(MOVDstore {t} _ dst mem)))))
 23417  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)
 23418  	// result: (Move [sz] dst src mem)
 23419  	for {
 23420  		if auxIntToInt64(v.AuxInt) != 0 {
 23421  			break
 23422  		}
 23423  		call := v_0
 23424  		if call.Op != OpARM64CALLstatic || len(call.Args) != 1 {
 23425  			break
 23426  		}
 23427  		sym := auxToCall(call.Aux)
 23428  		s1 := call.Args[0]
 23429  		if s1.Op != OpARM64MOVDstore {
 23430  			break
 23431  		}
 23432  		_ = s1.Args[2]
 23433  		s1_1 := s1.Args[1]
 23434  		if s1_1.Op != OpARM64MOVDconst {
 23435  			break
 23436  		}
 23437  		sz := auxIntToInt64(s1_1.AuxInt)
 23438  		s2 := s1.Args[2]
 23439  		if s2.Op != OpARM64MOVDstore {
 23440  			break
 23441  		}
 23442  		_ = s2.Args[2]
 23443  		src := s2.Args[1]
 23444  		s3 := s2.Args[2]
 23445  		if s3.Op != OpARM64MOVDstore {
 23446  			break
 23447  		}
 23448  		mem := s3.Args[2]
 23449  		dst := s3.Args[1]
 23450  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)) {
 23451  			break
 23452  		}
 23453  		v.reset(OpMove)
 23454  		v.AuxInt = int64ToAuxInt(sz)
 23455  		v.AddArg3(dst, src, mem)
 23456  		return true
 23457  	}
 23458  	// match: (SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem))
 23459  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)
 23460  	// result: (Move [sz] dst src mem)
 23461  	for {
 23462  		if auxIntToInt64(v.AuxInt) != 0 {
 23463  			break
 23464  		}
 23465  		call := v_0
 23466  		if call.Op != OpARM64CALLstatic || len(call.Args) != 4 {
 23467  			break
 23468  		}
 23469  		sym := auxToCall(call.Aux)
 23470  		mem := call.Args[3]
 23471  		dst := call.Args[0]
 23472  		src := call.Args[1]
 23473  		call_2 := call.Args[2]
 23474  		if call_2.Op != OpARM64MOVDconst {
 23475  			break
 23476  		}
 23477  		sz := auxIntToInt64(call_2.AuxInt)
 23478  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)) {
 23479  			break
 23480  		}
 23481  		v.reset(OpMove)
 23482  		v.AuxInt = int64ToAuxInt(sz)
 23483  		v.AddArg3(dst, src, mem)
 23484  		return true
 23485  	}
 23486  	return false
 23487  }
 23488  func rewriteValueARM64_OpShiftAllLeftInt16x8(v *Value) bool {
 23489  	v_1 := v.Args[1]
 23490  	v_0 := v.Args[0]
 23491  	b := v.Block
 23492  	typ := &b.Func.Config.Types
 23493  	// match: (ShiftAllLeftInt16x8 x y)
 23494  	// result: (VSSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23495  	for {
 23496  		x := v_0
 23497  		y := v_1
 23498  		v.reset(OpARM64VSSHL8H)
 23499  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23500  		v0.AuxInt = uint8ToAuxInt(0)
 23501  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23502  		v1.AuxInt = uint8ToAuxInt(0)
 23503  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23504  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23505  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23506  		v3.AuxInt = int64ToAuxInt(127)
 23507  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23508  		v4.AuxInt = int64ToAuxInt(127)
 23509  		v4.AddArg(y)
 23510  		v2.AddArg3(y, v3, v4)
 23511  		v1.AddArg2(x, v2)
 23512  		v0.AddArg(v1)
 23513  		v.AddArg2(x, v0)
 23514  		return true
 23515  	}
 23516  }
 23517  func rewriteValueARM64_OpShiftAllLeftInt32x4(v *Value) bool {
 23518  	v_1 := v.Args[1]
 23519  	v_0 := v.Args[0]
 23520  	b := v.Block
 23521  	typ := &b.Func.Config.Types
 23522  	// match: (ShiftAllLeftInt32x4 x y)
 23523  	// result: (VSSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23524  	for {
 23525  		x := v_0
 23526  		y := v_1
 23527  		v.reset(OpARM64VSSHL4S)
 23528  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23529  		v0.AuxInt = uint8ToAuxInt(0)
 23530  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23531  		v1.AuxInt = uint8ToAuxInt(0)
 23532  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23533  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23534  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23535  		v3.AuxInt = int64ToAuxInt(127)
 23536  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23537  		v4.AuxInt = int64ToAuxInt(127)
 23538  		v4.AddArg(y)
 23539  		v2.AddArg3(y, v3, v4)
 23540  		v1.AddArg2(x, v2)
 23541  		v0.AddArg(v1)
 23542  		v.AddArg2(x, v0)
 23543  		return true
 23544  	}
 23545  }
 23546  func rewriteValueARM64_OpShiftAllLeftInt64x2(v *Value) bool {
 23547  	v_1 := v.Args[1]
 23548  	v_0 := v.Args[0]
 23549  	b := v.Block
 23550  	typ := &b.Func.Config.Types
 23551  	// match: (ShiftAllLeftInt64x2 x y)
 23552  	// result: (VSSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23553  	for {
 23554  		x := v_0
 23555  		y := v_1
 23556  		v.reset(OpARM64VSSHL2D)
 23557  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23558  		v0.AuxInt = uint8ToAuxInt(0)
 23559  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23560  		v1.AuxInt = uint8ToAuxInt(0)
 23561  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23562  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23563  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23564  		v3.AuxInt = int64ToAuxInt(127)
 23565  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23566  		v4.AuxInt = int64ToAuxInt(127)
 23567  		v4.AddArg(y)
 23568  		v2.AddArg3(y, v3, v4)
 23569  		v1.AddArg2(x, v2)
 23570  		v0.AddArg(v1)
 23571  		v.AddArg2(x, v0)
 23572  		return true
 23573  	}
 23574  }
 23575  func rewriteValueARM64_OpShiftAllLeftInt8x16(v *Value) bool {
 23576  	v_1 := v.Args[1]
 23577  	v_0 := v.Args[0]
 23578  	b := v.Block
 23579  	typ := &b.Func.Config.Types
 23580  	// match: (ShiftAllLeftInt8x16 x y)
 23581  	// result: (VSSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23582  	for {
 23583  		x := v_0
 23584  		y := v_1
 23585  		v.reset(OpARM64VSSHL16B)
 23586  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23587  		v0.AuxInt = uint8ToAuxInt(0)
 23588  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23589  		v1.AuxInt = uint8ToAuxInt(0)
 23590  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23591  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23592  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23593  		v3.AuxInt = int64ToAuxInt(127)
 23594  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23595  		v4.AuxInt = int64ToAuxInt(127)
 23596  		v4.AddArg(y)
 23597  		v2.AddArg3(y, v3, v4)
 23598  		v1.AddArg2(x, v2)
 23599  		v0.AddArg(v1)
 23600  		v.AddArg2(x, v0)
 23601  		return true
 23602  	}
 23603  }
 23604  func rewriteValueARM64_OpShiftAllLeftUint16x8(v *Value) bool {
 23605  	v_1 := v.Args[1]
 23606  	v_0 := v.Args[0]
 23607  	b := v.Block
 23608  	typ := &b.Func.Config.Types
 23609  	// match: (ShiftAllLeftUint16x8 x y)
 23610  	// result: (VUSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23611  	for {
 23612  		x := v_0
 23613  		y := v_1
 23614  		v.reset(OpARM64VUSHL8H)
 23615  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23616  		v0.AuxInt = uint8ToAuxInt(0)
 23617  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23618  		v1.AuxInt = uint8ToAuxInt(0)
 23619  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23620  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23621  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23622  		v3.AuxInt = int64ToAuxInt(127)
 23623  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23624  		v4.AuxInt = int64ToAuxInt(127)
 23625  		v4.AddArg(y)
 23626  		v2.AddArg3(y, v3, v4)
 23627  		v1.AddArg2(x, v2)
 23628  		v0.AddArg(v1)
 23629  		v.AddArg2(x, v0)
 23630  		return true
 23631  	}
 23632  }
 23633  func rewriteValueARM64_OpShiftAllLeftUint32x4(v *Value) bool {
 23634  	v_1 := v.Args[1]
 23635  	v_0 := v.Args[0]
 23636  	b := v.Block
 23637  	typ := &b.Func.Config.Types
 23638  	// match: (ShiftAllLeftUint32x4 x y)
 23639  	// result: (VUSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23640  	for {
 23641  		x := v_0
 23642  		y := v_1
 23643  		v.reset(OpARM64VUSHL4S)
 23644  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23645  		v0.AuxInt = uint8ToAuxInt(0)
 23646  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23647  		v1.AuxInt = uint8ToAuxInt(0)
 23648  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23649  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23650  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23651  		v3.AuxInt = int64ToAuxInt(127)
 23652  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23653  		v4.AuxInt = int64ToAuxInt(127)
 23654  		v4.AddArg(y)
 23655  		v2.AddArg3(y, v3, v4)
 23656  		v1.AddArg2(x, v2)
 23657  		v0.AddArg(v1)
 23658  		v.AddArg2(x, v0)
 23659  		return true
 23660  	}
 23661  }
 23662  func rewriteValueARM64_OpShiftAllLeftUint64x2(v *Value) bool {
 23663  	v_1 := v.Args[1]
 23664  	v_0 := v.Args[0]
 23665  	b := v.Block
 23666  	typ := &b.Func.Config.Types
 23667  	// match: (ShiftAllLeftUint64x2 x y)
 23668  	// result: (VUSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23669  	for {
 23670  		x := v_0
 23671  		y := v_1
 23672  		v.reset(OpARM64VUSHL2D)
 23673  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23674  		v0.AuxInt = uint8ToAuxInt(0)
 23675  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23676  		v1.AuxInt = uint8ToAuxInt(0)
 23677  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23678  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23679  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23680  		v3.AuxInt = int64ToAuxInt(127)
 23681  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23682  		v4.AuxInt = int64ToAuxInt(127)
 23683  		v4.AddArg(y)
 23684  		v2.AddArg3(y, v3, v4)
 23685  		v1.AddArg2(x, v2)
 23686  		v0.AddArg(v1)
 23687  		v.AddArg2(x, v0)
 23688  		return true
 23689  	}
 23690  }
 23691  func rewriteValueARM64_OpShiftAllLeftUint8x16(v *Value) bool {
 23692  	v_1 := v.Args[1]
 23693  	v_0 := v.Args[0]
 23694  	b := v.Block
 23695  	typ := &b.Func.Config.Types
 23696  	// match: (ShiftAllLeftUint8x16 x y)
 23697  	// result: (VUSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23698  	for {
 23699  		x := v_0
 23700  		y := v_1
 23701  		v.reset(OpARM64VUSHL16B)
 23702  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23703  		v0.AuxInt = uint8ToAuxInt(0)
 23704  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23705  		v1.AuxInt = uint8ToAuxInt(0)
 23706  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23707  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23708  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23709  		v3.AuxInt = int64ToAuxInt(127)
 23710  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23711  		v4.AuxInt = int64ToAuxInt(127)
 23712  		v4.AddArg(y)
 23713  		v2.AddArg3(y, v3, v4)
 23714  		v1.AddArg2(x, v2)
 23715  		v0.AddArg(v1)
 23716  		v.AddArg2(x, v0)
 23717  		return true
 23718  	}
 23719  }
 23720  func rewriteValueARM64_OpShiftAllRightInt16x8(v *Value) bool {
 23721  	v_1 := v.Args[1]
 23722  	v_0 := v.Args[0]
 23723  	b := v.Block
 23724  	typ := &b.Func.Config.Types
 23725  	// match: (ShiftAllRightInt16x8 x y)
 23726  	// result: (VSSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23727  	for {
 23728  		x := v_0
 23729  		y := v_1
 23730  		v.reset(OpARM64VSSHL8H)
 23731  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23732  		v0.AuxInt = uint8ToAuxInt(0)
 23733  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23734  		v1.AuxInt = uint8ToAuxInt(0)
 23735  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23736  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23737  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23738  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23739  		v4.AuxInt = int64ToAuxInt(127)
 23740  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23741  		v5.AuxInt = int64ToAuxInt(127)
 23742  		v5.AddArg(y)
 23743  		v3.AddArg3(y, v4, v5)
 23744  		v2.AddArg(v3)
 23745  		v1.AddArg2(x, v2)
 23746  		v0.AddArg(v1)
 23747  		v.AddArg2(x, v0)
 23748  		return true
 23749  	}
 23750  }
 23751  func rewriteValueARM64_OpShiftAllRightInt32x4(v *Value) bool {
 23752  	v_1 := v.Args[1]
 23753  	v_0 := v.Args[0]
 23754  	b := v.Block
 23755  	typ := &b.Func.Config.Types
 23756  	// match: (ShiftAllRightInt32x4 x y)
 23757  	// result: (VSSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23758  	for {
 23759  		x := v_0
 23760  		y := v_1
 23761  		v.reset(OpARM64VSSHL4S)
 23762  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23763  		v0.AuxInt = uint8ToAuxInt(0)
 23764  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23765  		v1.AuxInt = uint8ToAuxInt(0)
 23766  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23767  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23768  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23769  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23770  		v4.AuxInt = int64ToAuxInt(127)
 23771  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23772  		v5.AuxInt = int64ToAuxInt(127)
 23773  		v5.AddArg(y)
 23774  		v3.AddArg3(y, v4, v5)
 23775  		v2.AddArg(v3)
 23776  		v1.AddArg2(x, v2)
 23777  		v0.AddArg(v1)
 23778  		v.AddArg2(x, v0)
 23779  		return true
 23780  	}
 23781  }
 23782  func rewriteValueARM64_OpShiftAllRightInt64x2(v *Value) bool {
 23783  	v_1 := v.Args[1]
 23784  	v_0 := v.Args[0]
 23785  	b := v.Block
 23786  	typ := &b.Func.Config.Types
 23787  	// match: (ShiftAllRightInt64x2 x y)
 23788  	// result: (VSSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23789  	for {
 23790  		x := v_0
 23791  		y := v_1
 23792  		v.reset(OpARM64VSSHL2D)
 23793  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23794  		v0.AuxInt = uint8ToAuxInt(0)
 23795  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23796  		v1.AuxInt = uint8ToAuxInt(0)
 23797  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23798  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23799  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23800  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23801  		v4.AuxInt = int64ToAuxInt(127)
 23802  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23803  		v5.AuxInt = int64ToAuxInt(127)
 23804  		v5.AddArg(y)
 23805  		v3.AddArg3(y, v4, v5)
 23806  		v2.AddArg(v3)
 23807  		v1.AddArg2(x, v2)
 23808  		v0.AddArg(v1)
 23809  		v.AddArg2(x, v0)
 23810  		return true
 23811  	}
 23812  }
 23813  func rewriteValueARM64_OpShiftAllRightInt8x16(v *Value) bool {
 23814  	v_1 := v.Args[1]
 23815  	v_0 := v.Args[0]
 23816  	b := v.Block
 23817  	typ := &b.Func.Config.Types
 23818  	// match: (ShiftAllRightInt8x16 x y)
 23819  	// result: (VSSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23820  	for {
 23821  		x := v_0
 23822  		y := v_1
 23823  		v.reset(OpARM64VSSHL16B)
 23824  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23825  		v0.AuxInt = uint8ToAuxInt(0)
 23826  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23827  		v1.AuxInt = uint8ToAuxInt(0)
 23828  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23829  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23830  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23831  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23832  		v4.AuxInt = int64ToAuxInt(127)
 23833  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23834  		v5.AuxInt = int64ToAuxInt(127)
 23835  		v5.AddArg(y)
 23836  		v3.AddArg3(y, v4, v5)
 23837  		v2.AddArg(v3)
 23838  		v1.AddArg2(x, v2)
 23839  		v0.AddArg(v1)
 23840  		v.AddArg2(x, v0)
 23841  		return true
 23842  	}
 23843  }
 23844  func rewriteValueARM64_OpShiftAllRightUint16x8(v *Value) bool {
 23845  	v_1 := v.Args[1]
 23846  	v_0 := v.Args[0]
 23847  	b := v.Block
 23848  	typ := &b.Func.Config.Types
 23849  	// match: (ShiftAllRightUint16x8 x y)
 23850  	// result: (VUSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23851  	for {
 23852  		x := v_0
 23853  		y := v_1
 23854  		v.reset(OpARM64VUSHL8H)
 23855  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23856  		v0.AuxInt = uint8ToAuxInt(0)
 23857  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23858  		v1.AuxInt = uint8ToAuxInt(0)
 23859  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23860  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23861  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23862  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23863  		v4.AuxInt = int64ToAuxInt(127)
 23864  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23865  		v5.AuxInt = int64ToAuxInt(127)
 23866  		v5.AddArg(y)
 23867  		v3.AddArg3(y, v4, v5)
 23868  		v2.AddArg(v3)
 23869  		v1.AddArg2(x, v2)
 23870  		v0.AddArg(v1)
 23871  		v.AddArg2(x, v0)
 23872  		return true
 23873  	}
 23874  }
 23875  func rewriteValueARM64_OpShiftAllRightUint32x4(v *Value) bool {
 23876  	v_1 := v.Args[1]
 23877  	v_0 := v.Args[0]
 23878  	b := v.Block
 23879  	typ := &b.Func.Config.Types
 23880  	// match: (ShiftAllRightUint32x4 x y)
 23881  	// result: (VUSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23882  	for {
 23883  		x := v_0
 23884  		y := v_1
 23885  		v.reset(OpARM64VUSHL4S)
 23886  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23887  		v0.AuxInt = uint8ToAuxInt(0)
 23888  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23889  		v1.AuxInt = uint8ToAuxInt(0)
 23890  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23891  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23892  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23893  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23894  		v4.AuxInt = int64ToAuxInt(127)
 23895  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23896  		v5.AuxInt = int64ToAuxInt(127)
 23897  		v5.AddArg(y)
 23898  		v3.AddArg3(y, v4, v5)
 23899  		v2.AddArg(v3)
 23900  		v1.AddArg2(x, v2)
 23901  		v0.AddArg(v1)
 23902  		v.AddArg2(x, v0)
 23903  		return true
 23904  	}
 23905  }
 23906  func rewriteValueARM64_OpShiftAllRightUint64x2(v *Value) bool {
 23907  	v_1 := v.Args[1]
 23908  	v_0 := v.Args[0]
 23909  	b := v.Block
 23910  	typ := &b.Func.Config.Types
 23911  	// match: (ShiftAllRightUint64x2 x y)
 23912  	// result: (VUSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23913  	for {
 23914  		x := v_0
 23915  		y := v_1
 23916  		v.reset(OpARM64VUSHL2D)
 23917  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23918  		v0.AuxInt = uint8ToAuxInt(0)
 23919  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23920  		v1.AuxInt = uint8ToAuxInt(0)
 23921  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23922  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23923  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23924  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23925  		v4.AuxInt = int64ToAuxInt(127)
 23926  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23927  		v5.AuxInt = int64ToAuxInt(127)
 23928  		v5.AddArg(y)
 23929  		v3.AddArg3(y, v4, v5)
 23930  		v2.AddArg(v3)
 23931  		v1.AddArg2(x, v2)
 23932  		v0.AddArg(v1)
 23933  		v.AddArg2(x, v0)
 23934  		return true
 23935  	}
 23936  }
 23937  func rewriteValueARM64_OpShiftAllRightUint8x16(v *Value) bool {
 23938  	v_1 := v.Args[1]
 23939  	v_0 := v.Args[0]
 23940  	b := v.Block
 23941  	typ := &b.Func.Config.Types
 23942  	// match: (ShiftAllRightUint8x16 x y)
 23943  	// result: (VUSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23944  	for {
 23945  		x := v_0
 23946  		y := v_1
 23947  		v.reset(OpARM64VUSHL16B)
 23948  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23949  		v0.AuxInt = uint8ToAuxInt(0)
 23950  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23951  		v1.AuxInt = uint8ToAuxInt(0)
 23952  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23953  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23954  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23955  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23956  		v4.AuxInt = int64ToAuxInt(127)
 23957  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23958  		v5.AuxInt = int64ToAuxInt(127)
 23959  		v5.AddArg(y)
 23960  		v3.AddArg3(y, v4, v5)
 23961  		v2.AddArg(v3)
 23962  		v1.AddArg2(x, v2)
 23963  		v0.AddArg(v1)
 23964  		v.AddArg2(x, v0)
 23965  		return true
 23966  	}
 23967  }
 23968  func rewriteValueARM64_OpSlicemask(v *Value) bool {
 23969  	v_0 := v.Args[0]
 23970  	b := v.Block
 23971  	// match: (Slicemask <t> x)
 23972  	// result: (SRAconst (NEG <t> x) [63])
 23973  	for {
 23974  		t := v.Type
 23975  		x := v_0
 23976  		v.reset(OpARM64SRAconst)
 23977  		v.AuxInt = int64ToAuxInt(63)
 23978  		v0 := b.NewValue0(v.Pos, OpARM64NEG, t)
 23979  		v0.AddArg(x)
 23980  		v.AddArg(v0)
 23981  		return true
 23982  	}
 23983  }
 23984  func rewriteValueARM64_OpStore(v *Value) bool {
 23985  	v_2 := v.Args[2]
 23986  	v_1 := v.Args[1]
 23987  	v_0 := v.Args[0]
 23988  	// match: (Store {t} ptr val mem)
 23989  	// cond: t.Size() == 1
 23990  	// result: (MOVBstore ptr val mem)
 23991  	for {
 23992  		t := auxToType(v.Aux)
 23993  		ptr := v_0
 23994  		val := v_1
 23995  		mem := v_2
 23996  		if !(t.Size() == 1) {
 23997  			break
 23998  		}
 23999  		v.reset(OpARM64MOVBstore)
 24000  		v.AddArg3(ptr, val, mem)
 24001  		return true
 24002  	}
 24003  	// match: (Store {t} ptr val mem)
 24004  	// cond: t.Size() == 2
 24005  	// result: (MOVHstore ptr val mem)
 24006  	for {
 24007  		t := auxToType(v.Aux)
 24008  		ptr := v_0
 24009  		val := v_1
 24010  		mem := v_2
 24011  		if !(t.Size() == 2) {
 24012  			break
 24013  		}
 24014  		v.reset(OpARM64MOVHstore)
 24015  		v.AddArg3(ptr, val, mem)
 24016  		return true
 24017  	}
 24018  	// match: (Store {t} ptr val mem)
 24019  	// cond: t.Size() == 4 && !t.IsFloat()
 24020  	// result: (MOVWstore ptr val mem)
 24021  	for {
 24022  		t := auxToType(v.Aux)
 24023  		ptr := v_0
 24024  		val := v_1
 24025  		mem := v_2
 24026  		if !(t.Size() == 4 && !t.IsFloat()) {
 24027  			break
 24028  		}
 24029  		v.reset(OpARM64MOVWstore)
 24030  		v.AddArg3(ptr, val, mem)
 24031  		return true
 24032  	}
 24033  	// match: (Store {t} ptr val mem)
 24034  	// cond: t.Size() == 8 && !t.IsFloat()
 24035  	// result: (MOVDstore ptr val mem)
 24036  	for {
 24037  		t := auxToType(v.Aux)
 24038  		ptr := v_0
 24039  		val := v_1
 24040  		mem := v_2
 24041  		if !(t.Size() == 8 && !t.IsFloat()) {
 24042  			break
 24043  		}
 24044  		v.reset(OpARM64MOVDstore)
 24045  		v.AddArg3(ptr, val, mem)
 24046  		return true
 24047  	}
 24048  	// match: (Store {t} ptr val mem)
 24049  	// cond: t.Size() == 4 && t.IsFloat()
 24050  	// result: (FMOVSstore ptr val mem)
 24051  	for {
 24052  		t := auxToType(v.Aux)
 24053  		ptr := v_0
 24054  		val := v_1
 24055  		mem := v_2
 24056  		if !(t.Size() == 4 && t.IsFloat()) {
 24057  			break
 24058  		}
 24059  		v.reset(OpARM64FMOVSstore)
 24060  		v.AddArg3(ptr, val, mem)
 24061  		return true
 24062  	}
 24063  	// match: (Store {t} ptr val mem)
 24064  	// cond: t.Size() == 8 && t.IsFloat()
 24065  	// result: (FMOVDstore ptr val mem)
 24066  	for {
 24067  		t := auxToType(v.Aux)
 24068  		ptr := v_0
 24069  		val := v_1
 24070  		mem := v_2
 24071  		if !(t.Size() == 8 && t.IsFloat()) {
 24072  			break
 24073  		}
 24074  		v.reset(OpARM64FMOVDstore)
 24075  		v.AddArg3(ptr, val, mem)
 24076  		return true
 24077  	}
 24078  	// match: (Store {t} ptr val mem)
 24079  	// cond: t.Size() == 16
 24080  	// result: (FMOVQstore ptr val mem)
 24081  	for {
 24082  		t := auxToType(v.Aux)
 24083  		ptr := v_0
 24084  		val := v_1
 24085  		mem := v_2
 24086  		if !(t.Size() == 16) {
 24087  			break
 24088  		}
 24089  		v.reset(OpARM64FMOVQstore)
 24090  		v.AddArg3(ptr, val, mem)
 24091  		return true
 24092  	}
 24093  	return false
 24094  }
 24095  func rewriteValueARM64_OpZero(v *Value) bool {
 24096  	v_1 := v.Args[1]
 24097  	v_0 := v.Args[0]
 24098  	b := v.Block
 24099  	typ := &b.Func.Config.Types
 24100  	// match: (Zero [0] _ mem)
 24101  	// result: mem
 24102  	for {
 24103  		if auxIntToInt64(v.AuxInt) != 0 {
 24104  			break
 24105  		}
 24106  		mem := v_1
 24107  		v.copyOf(mem)
 24108  		return true
 24109  	}
 24110  	// match: (Zero [1] ptr mem)
 24111  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
 24112  	for {
 24113  		if auxIntToInt64(v.AuxInt) != 1 {
 24114  			break
 24115  		}
 24116  		ptr := v_0
 24117  		mem := v_1
 24118  		v.reset(OpARM64MOVBstore)
 24119  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24120  		v0.AuxInt = int64ToAuxInt(0)
 24121  		v.AddArg3(ptr, v0, mem)
 24122  		return true
 24123  	}
 24124  	// match: (Zero [2] ptr mem)
 24125  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
 24126  	for {
 24127  		if auxIntToInt64(v.AuxInt) != 2 {
 24128  			break
 24129  		}
 24130  		ptr := v_0
 24131  		mem := v_1
 24132  		v.reset(OpARM64MOVHstore)
 24133  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24134  		v0.AuxInt = int64ToAuxInt(0)
 24135  		v.AddArg3(ptr, v0, mem)
 24136  		return true
 24137  	}
 24138  	// match: (Zero [4] ptr mem)
 24139  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
 24140  	for {
 24141  		if auxIntToInt64(v.AuxInt) != 4 {
 24142  			break
 24143  		}
 24144  		ptr := v_0
 24145  		mem := v_1
 24146  		v.reset(OpARM64MOVWstore)
 24147  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24148  		v0.AuxInt = int64ToAuxInt(0)
 24149  		v.AddArg3(ptr, v0, mem)
 24150  		return true
 24151  	}
 24152  	// match: (Zero [3] ptr mem)
 24153  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
 24154  	for {
 24155  		if auxIntToInt64(v.AuxInt) != 3 {
 24156  			break
 24157  		}
 24158  		ptr := v_0
 24159  		mem := v_1
 24160  		v.reset(OpARM64MOVBstore)
 24161  		v.AuxInt = int32ToAuxInt(2)
 24162  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24163  		v0.AuxInt = int64ToAuxInt(0)
 24164  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 24165  		v1.AddArg3(ptr, v0, mem)
 24166  		v.AddArg3(ptr, v0, v1)
 24167  		return true
 24168  	}
 24169  	// match: (Zero [5] ptr mem)
 24170  	// result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 24171  	for {
 24172  		if auxIntToInt64(v.AuxInt) != 5 {
 24173  			break
 24174  		}
 24175  		ptr := v_0
 24176  		mem := v_1
 24177  		v.reset(OpARM64MOVBstore)
 24178  		v.AuxInt = int32ToAuxInt(4)
 24179  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24180  		v0.AuxInt = int64ToAuxInt(0)
 24181  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 24182  		v1.AddArg3(ptr, v0, mem)
 24183  		v.AddArg3(ptr, v0, v1)
 24184  		return true
 24185  	}
 24186  	// match: (Zero [6] ptr mem)
 24187  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 24188  	for {
 24189  		if auxIntToInt64(v.AuxInt) != 6 {
 24190  			break
 24191  		}
 24192  		ptr := v_0
 24193  		mem := v_1
 24194  		v.reset(OpARM64MOVHstore)
 24195  		v.AuxInt = int32ToAuxInt(4)
 24196  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24197  		v0.AuxInt = int64ToAuxInt(0)
 24198  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 24199  		v1.AddArg3(ptr, v0, mem)
 24200  		v.AddArg3(ptr, v0, v1)
 24201  		return true
 24202  	}
 24203  	// match: (Zero [7] ptr mem)
 24204  	// result: (MOVWstore [3] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 24205  	for {
 24206  		if auxIntToInt64(v.AuxInt) != 7 {
 24207  			break
 24208  		}
 24209  		ptr := v_0
 24210  		mem := v_1
 24211  		v.reset(OpARM64MOVWstore)
 24212  		v.AuxInt = int32ToAuxInt(3)
 24213  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24214  		v0.AuxInt = int64ToAuxInt(0)
 24215  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 24216  		v1.AddArg3(ptr, v0, mem)
 24217  		v.AddArg3(ptr, v0, v1)
 24218  		return true
 24219  	}
 24220  	// match: (Zero [8] ptr mem)
 24221  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
 24222  	for {
 24223  		if auxIntToInt64(v.AuxInt) != 8 {
 24224  			break
 24225  		}
 24226  		ptr := v_0
 24227  		mem := v_1
 24228  		v.reset(OpARM64MOVDstore)
 24229  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24230  		v0.AuxInt = int64ToAuxInt(0)
 24231  		v.AddArg3(ptr, v0, mem)
 24232  		return true
 24233  	}
 24234  	// match: (Zero [9] ptr mem)
 24235  	// result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24236  	for {
 24237  		if auxIntToInt64(v.AuxInt) != 9 {
 24238  			break
 24239  		}
 24240  		ptr := v_0
 24241  		mem := v_1
 24242  		v.reset(OpARM64MOVBstore)
 24243  		v.AuxInt = int32ToAuxInt(8)
 24244  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24245  		v0.AuxInt = int64ToAuxInt(0)
 24246  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24247  		v1.AddArg3(ptr, v0, mem)
 24248  		v.AddArg3(ptr, v0, v1)
 24249  		return true
 24250  	}
 24251  	// match: (Zero [10] ptr mem)
 24252  	// result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24253  	for {
 24254  		if auxIntToInt64(v.AuxInt) != 10 {
 24255  			break
 24256  		}
 24257  		ptr := v_0
 24258  		mem := v_1
 24259  		v.reset(OpARM64MOVHstore)
 24260  		v.AuxInt = int32ToAuxInt(8)
 24261  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24262  		v0.AuxInt = int64ToAuxInt(0)
 24263  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24264  		v1.AddArg3(ptr, v0, mem)
 24265  		v.AddArg3(ptr, v0, v1)
 24266  		return true
 24267  	}
 24268  	// match: (Zero [11] ptr mem)
 24269  	// result: (MOVDstore [3] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24270  	for {
 24271  		if auxIntToInt64(v.AuxInt) != 11 {
 24272  			break
 24273  		}
 24274  		ptr := v_0
 24275  		mem := v_1
 24276  		v.reset(OpARM64MOVDstore)
 24277  		v.AuxInt = int32ToAuxInt(3)
 24278  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24279  		v0.AuxInt = int64ToAuxInt(0)
 24280  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24281  		v1.AddArg3(ptr, v0, mem)
 24282  		v.AddArg3(ptr, v0, v1)
 24283  		return true
 24284  	}
 24285  	// match: (Zero [12] ptr mem)
 24286  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24287  	for {
 24288  		if auxIntToInt64(v.AuxInt) != 12 {
 24289  			break
 24290  		}
 24291  		ptr := v_0
 24292  		mem := v_1
 24293  		v.reset(OpARM64MOVWstore)
 24294  		v.AuxInt = int32ToAuxInt(8)
 24295  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24296  		v0.AuxInt = int64ToAuxInt(0)
 24297  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24298  		v1.AddArg3(ptr, v0, mem)
 24299  		v.AddArg3(ptr, v0, v1)
 24300  		return true
 24301  	}
 24302  	// match: (Zero [13] ptr mem)
 24303  	// result: (MOVDstore [5] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24304  	for {
 24305  		if auxIntToInt64(v.AuxInt) != 13 {
 24306  			break
 24307  		}
 24308  		ptr := v_0
 24309  		mem := v_1
 24310  		v.reset(OpARM64MOVDstore)
 24311  		v.AuxInt = int32ToAuxInt(5)
 24312  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24313  		v0.AuxInt = int64ToAuxInt(0)
 24314  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24315  		v1.AddArg3(ptr, v0, mem)
 24316  		v.AddArg3(ptr, v0, v1)
 24317  		return true
 24318  	}
 24319  	// match: (Zero [14] ptr mem)
 24320  	// result: (MOVDstore [6] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24321  	for {
 24322  		if auxIntToInt64(v.AuxInt) != 14 {
 24323  			break
 24324  		}
 24325  		ptr := v_0
 24326  		mem := v_1
 24327  		v.reset(OpARM64MOVDstore)
 24328  		v.AuxInt = int32ToAuxInt(6)
 24329  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24330  		v0.AuxInt = int64ToAuxInt(0)
 24331  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24332  		v1.AddArg3(ptr, v0, mem)
 24333  		v.AddArg3(ptr, v0, v1)
 24334  		return true
 24335  	}
 24336  	// match: (Zero [15] ptr mem)
 24337  	// result: (MOVDstore [7] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24338  	for {
 24339  		if auxIntToInt64(v.AuxInt) != 15 {
 24340  			break
 24341  		}
 24342  		ptr := v_0
 24343  		mem := v_1
 24344  		v.reset(OpARM64MOVDstore)
 24345  		v.AuxInt = int32ToAuxInt(7)
 24346  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24347  		v0.AuxInt = int64ToAuxInt(0)
 24348  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24349  		v1.AddArg3(ptr, v0, mem)
 24350  		v.AddArg3(ptr, v0, v1)
 24351  		return true
 24352  	}
 24353  	// match: (Zero [16] ptr mem)
 24354  	// result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 24355  	for {
 24356  		if auxIntToInt64(v.AuxInt) != 16 {
 24357  			break
 24358  		}
 24359  		ptr := v_0
 24360  		mem := v_1
 24361  		v.reset(OpARM64STP)
 24362  		v.AuxInt = int32ToAuxInt(0)
 24363  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24364  		v0.AuxInt = int64ToAuxInt(0)
 24365  		v.AddArg4(ptr, v0, v0, mem)
 24366  		return true
 24367  	}
 24368  	// match: (Zero [s] ptr mem)
 24369  	// cond: s > 16 && s < 192
 24370  	// result: (LoweredZero [s] ptr mem)
 24371  	for {
 24372  		s := auxIntToInt64(v.AuxInt)
 24373  		ptr := v_0
 24374  		mem := v_1
 24375  		if !(s > 16 && s < 192) {
 24376  			break
 24377  		}
 24378  		v.reset(OpARM64LoweredZero)
 24379  		v.AuxInt = int64ToAuxInt(s)
 24380  		v.AddArg2(ptr, mem)
 24381  		return true
 24382  	}
 24383  	// match: (Zero [s] ptr mem)
 24384  	// cond: s >= 192
 24385  	// result: (LoweredZeroLoop [s] ptr mem)
 24386  	for {
 24387  		s := auxIntToInt64(v.AuxInt)
 24388  		ptr := v_0
 24389  		mem := v_1
 24390  		if !(s >= 192) {
 24391  			break
 24392  		}
 24393  		v.reset(OpARM64LoweredZeroLoop)
 24394  		v.AuxInt = int64ToAuxInt(s)
 24395  		v.AddArg2(ptr, mem)
 24396  		return true
 24397  	}
 24398  	return false
 24399  }
 24400  func rewriteValueARM64_OpZeroSIMD(v *Value) bool {
 24401  	// match: (ZeroSIMD <t>)
 24402  	// cond: t.Size() == 16
 24403  	// result: (VMOVI16B [0] <t>)
 24404  	for {
 24405  		t := v.Type
 24406  		if !(t.Size() == 16) {
 24407  			break
 24408  		}
 24409  		v.reset(OpARM64VMOVI16B)
 24410  		v.Type = t
 24411  		v.AuxInt = uint8ToAuxInt(0)
 24412  		return true
 24413  	}
 24414  	return false
 24415  }
 24416  func rewriteValueARM64_Opbroadcast1To16Int8x16(v *Value) bool {
 24417  	v_0 := v.Args[0]
 24418  	// match: (broadcast1To16Int8x16 x)
 24419  	// result: (VDUPBbcast [0] x)
 24420  	for {
 24421  		x := v_0
 24422  		v.reset(OpARM64VDUPBbcast)
 24423  		v.AuxInt = uint8ToAuxInt(0)
 24424  		v.AddArg(x)
 24425  		return true
 24426  	}
 24427  }
 24428  func rewriteValueARM64_Opbroadcast1To16Uint8x16(v *Value) bool {
 24429  	v_0 := v.Args[0]
 24430  	// match: (broadcast1To16Uint8x16 x)
 24431  	// result: (VDUPBbcast [0] x)
 24432  	for {
 24433  		x := v_0
 24434  		v.reset(OpARM64VDUPBbcast)
 24435  		v.AuxInt = uint8ToAuxInt(0)
 24436  		v.AddArg(x)
 24437  		return true
 24438  	}
 24439  }
 24440  func rewriteValueARM64_Opbroadcast1To2Float64x2(v *Value) bool {
 24441  	v_0 := v.Args[0]
 24442  	// match: (broadcast1To2Float64x2 x)
 24443  	// result: (VDUPDbcast [0] x)
 24444  	for {
 24445  		x := v_0
 24446  		v.reset(OpARM64VDUPDbcast)
 24447  		v.AuxInt = uint8ToAuxInt(0)
 24448  		v.AddArg(x)
 24449  		return true
 24450  	}
 24451  }
 24452  func rewriteValueARM64_Opbroadcast1To2Int64x2(v *Value) bool {
 24453  	v_0 := v.Args[0]
 24454  	// match: (broadcast1To2Int64x2 x)
 24455  	// result: (VDUPDbcast [0] x)
 24456  	for {
 24457  		x := v_0
 24458  		v.reset(OpARM64VDUPDbcast)
 24459  		v.AuxInt = uint8ToAuxInt(0)
 24460  		v.AddArg(x)
 24461  		return true
 24462  	}
 24463  }
 24464  func rewriteValueARM64_Opbroadcast1To2Uint64x2(v *Value) bool {
 24465  	v_0 := v.Args[0]
 24466  	// match: (broadcast1To2Uint64x2 x)
 24467  	// result: (VDUPDbcast [0] x)
 24468  	for {
 24469  		x := v_0
 24470  		v.reset(OpARM64VDUPDbcast)
 24471  		v.AuxInt = uint8ToAuxInt(0)
 24472  		v.AddArg(x)
 24473  		return true
 24474  	}
 24475  }
 24476  func rewriteValueARM64_Opbroadcast1To4Float32x4(v *Value) bool {
 24477  	v_0 := v.Args[0]
 24478  	// match: (broadcast1To4Float32x4 x)
 24479  	// result: (VDUPSbcast [0] x)
 24480  	for {
 24481  		x := v_0
 24482  		v.reset(OpARM64VDUPSbcast)
 24483  		v.AuxInt = uint8ToAuxInt(0)
 24484  		v.AddArg(x)
 24485  		return true
 24486  	}
 24487  }
 24488  func rewriteValueARM64_Opbroadcast1To4Int32x4(v *Value) bool {
 24489  	v_0 := v.Args[0]
 24490  	// match: (broadcast1To4Int32x4 x)
 24491  	// result: (VDUPSbcast [0] x)
 24492  	for {
 24493  		x := v_0
 24494  		v.reset(OpARM64VDUPSbcast)
 24495  		v.AuxInt = uint8ToAuxInt(0)
 24496  		v.AddArg(x)
 24497  		return true
 24498  	}
 24499  }
 24500  func rewriteValueARM64_Opbroadcast1To4Uint32x4(v *Value) bool {
 24501  	v_0 := v.Args[0]
 24502  	// match: (broadcast1To4Uint32x4 x)
 24503  	// result: (VDUPSbcast [0] x)
 24504  	for {
 24505  		x := v_0
 24506  		v.reset(OpARM64VDUPSbcast)
 24507  		v.AuxInt = uint8ToAuxInt(0)
 24508  		v.AddArg(x)
 24509  		return true
 24510  	}
 24511  }
 24512  func rewriteValueARM64_Opbroadcast1To8Int16x8(v *Value) bool {
 24513  	v_0 := v.Args[0]
 24514  	// match: (broadcast1To8Int16x8 x)
 24515  	// result: (VDUPHbcast [0] x)
 24516  	for {
 24517  		x := v_0
 24518  		v.reset(OpARM64VDUPHbcast)
 24519  		v.AuxInt = uint8ToAuxInt(0)
 24520  		v.AddArg(x)
 24521  		return true
 24522  	}
 24523  }
 24524  func rewriteValueARM64_Opbroadcast1To8Uint16x8(v *Value) bool {
 24525  	v_0 := v.Args[0]
 24526  	// match: (broadcast1To8Uint16x8 x)
 24527  	// result: (VDUPHbcast [0] x)
 24528  	for {
 24529  		x := v_0
 24530  		v.reset(OpARM64VDUPHbcast)
 24531  		v.AuxInt = uint8ToAuxInt(0)
 24532  		v.AddArg(x)
 24533  		return true
 24534  	}
 24535  }
 24536  func rewriteBlockARM64(b *Block) bool {
 24537  	typ := &b.Func.Config.Types
 24538  	switch b.Kind {
 24539  	case block.BlockARM64EQ:
 24540  		// match: (EQ (CMPconst [0] z:(AND x y)) yes no)
 24541  		// cond: z.Uses == 1
 24542  		// result: (EQ (TST x y) yes no)
 24543  		for b.Controls[0].Op == OpARM64CMPconst {
 24544  			v_0 := b.Controls[0]
 24545  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24546  				break
 24547  			}
 24548  			z := v_0.Args[0]
 24549  			if z.Op != OpARM64AND {
 24550  				break
 24551  			}
 24552  			_ = z.Args[1]
 24553  			z_0 := z.Args[0]
 24554  			z_1 := z.Args[1]
 24555  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24556  				x := z_0
 24557  				y := z_1
 24558  				if !(z.Uses == 1) {
 24559  					continue
 24560  				}
 24561  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24562  				v0.AddArg2(x, y)
 24563  				b.resetWithControl(block.BlockARM64EQ, v0)
 24564  				return true
 24565  			}
 24566  			break
 24567  		}
 24568  		// match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24569  		// cond: x.Uses == 1
 24570  		// result: (EQ (TSTconst [c] y) yes no)
 24571  		for b.Controls[0].Op == OpARM64CMPconst {
 24572  			v_0 := b.Controls[0]
 24573  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24574  				break
 24575  			}
 24576  			x := v_0.Args[0]
 24577  			if x.Op != OpARM64ANDconst {
 24578  				break
 24579  			}
 24580  			c := auxIntToInt64(x.AuxInt)
 24581  			y := x.Args[0]
 24582  			if !(x.Uses == 1) {
 24583  				break
 24584  			}
 24585  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24586  			v0.AuxInt = int64ToAuxInt(c)
 24587  			v0.AddArg(y)
 24588  			b.resetWithControl(block.BlockARM64EQ, v0)
 24589  			return true
 24590  		}
 24591  		// match: (EQ (CMPWconst [0] z:(AND x y)) yes no)
 24592  		// cond: z.Uses == 1
 24593  		// result: (EQ (TSTW x y) yes no)
 24594  		for b.Controls[0].Op == OpARM64CMPWconst {
 24595  			v_0 := b.Controls[0]
 24596  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24597  				break
 24598  			}
 24599  			z := v_0.Args[0]
 24600  			if z.Op != OpARM64AND {
 24601  				break
 24602  			}
 24603  			_ = z.Args[1]
 24604  			z_0 := z.Args[0]
 24605  			z_1 := z.Args[1]
 24606  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24607  				x := z_0
 24608  				y := z_1
 24609  				if !(z.Uses == 1) {
 24610  					continue
 24611  				}
 24612  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24613  				v0.AddArg2(x, y)
 24614  				b.resetWithControl(block.BlockARM64EQ, v0)
 24615  				return true
 24616  			}
 24617  			break
 24618  		}
 24619  		// match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24620  		// cond: x.Uses == 1
 24621  		// result: (EQ (TSTWconst [int32(c)] y) yes no)
 24622  		for b.Controls[0].Op == OpARM64CMPWconst {
 24623  			v_0 := b.Controls[0]
 24624  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24625  				break
 24626  			}
 24627  			x := v_0.Args[0]
 24628  			if x.Op != OpARM64ANDconst {
 24629  				break
 24630  			}
 24631  			c := auxIntToInt64(x.AuxInt)
 24632  			y := x.Args[0]
 24633  			if !(x.Uses == 1) {
 24634  				break
 24635  			}
 24636  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24637  			v0.AuxInt = int32ToAuxInt(int32(c))
 24638  			v0.AddArg(y)
 24639  			b.resetWithControl(block.BlockARM64EQ, v0)
 24640  			return true
 24641  		}
 24642  		// match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24643  		// cond: x.Uses == 1
 24644  		// result: (EQ (CMNconst [c] y) yes no)
 24645  		for b.Controls[0].Op == OpARM64CMPconst {
 24646  			v_0 := b.Controls[0]
 24647  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24648  				break
 24649  			}
 24650  			x := v_0.Args[0]
 24651  			if x.Op != OpARM64ADDconst {
 24652  				break
 24653  			}
 24654  			c := auxIntToInt64(x.AuxInt)
 24655  			y := x.Args[0]
 24656  			if !(x.Uses == 1) {
 24657  				break
 24658  			}
 24659  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24660  			v0.AuxInt = int64ToAuxInt(c)
 24661  			v0.AddArg(y)
 24662  			b.resetWithControl(block.BlockARM64EQ, v0)
 24663  			return true
 24664  		}
 24665  		// match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24666  		// cond: x.Uses == 1
 24667  		// result: (EQ (CMNWconst [int32(c)] y) yes no)
 24668  		for b.Controls[0].Op == OpARM64CMPWconst {
 24669  			v_0 := b.Controls[0]
 24670  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24671  				break
 24672  			}
 24673  			x := v_0.Args[0]
 24674  			if x.Op != OpARM64ADDconst {
 24675  				break
 24676  			}
 24677  			c := auxIntToInt64(x.AuxInt)
 24678  			y := x.Args[0]
 24679  			if !(x.Uses == 1) {
 24680  				break
 24681  			}
 24682  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24683  			v0.AuxInt = int32ToAuxInt(int32(c))
 24684  			v0.AddArg(y)
 24685  			b.resetWithControl(block.BlockARM64EQ, v0)
 24686  			return true
 24687  		}
 24688  		// match: (EQ (CMPconst [0] z:(ADD x y)) yes no)
 24689  		// cond: z.Uses == 1
 24690  		// result: (EQ (CMN x y) yes no)
 24691  		for b.Controls[0].Op == OpARM64CMPconst {
 24692  			v_0 := b.Controls[0]
 24693  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24694  				break
 24695  			}
 24696  			z := v_0.Args[0]
 24697  			if z.Op != OpARM64ADD {
 24698  				break
 24699  			}
 24700  			_ = z.Args[1]
 24701  			z_0 := z.Args[0]
 24702  			z_1 := z.Args[1]
 24703  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24704  				x := z_0
 24705  				y := z_1
 24706  				if !(z.Uses == 1) {
 24707  					continue
 24708  				}
 24709  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24710  				v0.AddArg2(x, y)
 24711  				b.resetWithControl(block.BlockARM64EQ, v0)
 24712  				return true
 24713  			}
 24714  			break
 24715  		}
 24716  		// match: (EQ (CMPWconst [0] z:(ADD x y)) yes no)
 24717  		// cond: z.Uses == 1
 24718  		// result: (EQ (CMNW x y) yes no)
 24719  		for b.Controls[0].Op == OpARM64CMPWconst {
 24720  			v_0 := b.Controls[0]
 24721  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24722  				break
 24723  			}
 24724  			z := v_0.Args[0]
 24725  			if z.Op != OpARM64ADD {
 24726  				break
 24727  			}
 24728  			_ = z.Args[1]
 24729  			z_0 := z.Args[0]
 24730  			z_1 := z.Args[1]
 24731  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24732  				x := z_0
 24733  				y := z_1
 24734  				if !(z.Uses == 1) {
 24735  					continue
 24736  				}
 24737  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24738  				v0.AddArg2(x, y)
 24739  				b.resetWithControl(block.BlockARM64EQ, v0)
 24740  				return true
 24741  			}
 24742  			break
 24743  		}
 24744  		// match: (EQ (CMP x z:(NEG y)) yes no)
 24745  		// cond: z.Uses == 1
 24746  		// result: (EQ (CMN x y) yes no)
 24747  		for b.Controls[0].Op == OpARM64CMP {
 24748  			v_0 := b.Controls[0]
 24749  			_ = v_0.Args[1]
 24750  			x := v_0.Args[0]
 24751  			z := v_0.Args[1]
 24752  			if z.Op != OpARM64NEG {
 24753  				break
 24754  			}
 24755  			y := z.Args[0]
 24756  			if !(z.Uses == 1) {
 24757  				break
 24758  			}
 24759  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24760  			v0.AddArg2(x, y)
 24761  			b.resetWithControl(block.BlockARM64EQ, v0)
 24762  			return true
 24763  		}
 24764  		// match: (EQ (CMPW x z:(NEG y)) yes no)
 24765  		// cond: z.Uses == 1
 24766  		// result: (EQ (CMNW x y) yes no)
 24767  		for b.Controls[0].Op == OpARM64CMPW {
 24768  			v_0 := b.Controls[0]
 24769  			_ = v_0.Args[1]
 24770  			x := v_0.Args[0]
 24771  			z := v_0.Args[1]
 24772  			if z.Op != OpARM64NEG {
 24773  				break
 24774  			}
 24775  			y := z.Args[0]
 24776  			if !(z.Uses == 1) {
 24777  				break
 24778  			}
 24779  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24780  			v0.AddArg2(x, y)
 24781  			b.resetWithControl(block.BlockARM64EQ, v0)
 24782  			return true
 24783  		}
 24784  		// match: (EQ (CMPconst [0] x) yes no)
 24785  		// result: (Z x yes no)
 24786  		for b.Controls[0].Op == OpARM64CMPconst {
 24787  			v_0 := b.Controls[0]
 24788  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24789  				break
 24790  			}
 24791  			x := v_0.Args[0]
 24792  			b.resetWithControl(block.BlockARM64Z, x)
 24793  			return true
 24794  		}
 24795  		// match: (EQ (CMPWconst [0] x) yes no)
 24796  		// result: (ZW x yes no)
 24797  		for b.Controls[0].Op == OpARM64CMPWconst {
 24798  			v_0 := b.Controls[0]
 24799  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24800  				break
 24801  			}
 24802  			x := v_0.Args[0]
 24803  			b.resetWithControl(block.BlockARM64ZW, x)
 24804  			return true
 24805  		}
 24806  		// match: (EQ (CMPconst [0] z:(MADD a x y)) yes no)
 24807  		// cond: z.Uses==1
 24808  		// result: (EQ (CMN a (MUL <x.Type> x y)) yes no)
 24809  		for b.Controls[0].Op == OpARM64CMPconst {
 24810  			v_0 := b.Controls[0]
 24811  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24812  				break
 24813  			}
 24814  			z := v_0.Args[0]
 24815  			if z.Op != OpARM64MADD {
 24816  				break
 24817  			}
 24818  			y := z.Args[2]
 24819  			a := z.Args[0]
 24820  			x := z.Args[1]
 24821  			if !(z.Uses == 1) {
 24822  				break
 24823  			}
 24824  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24825  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24826  			v1.AddArg2(x, y)
 24827  			v0.AddArg2(a, v1)
 24828  			b.resetWithControl(block.BlockARM64EQ, v0)
 24829  			return true
 24830  		}
 24831  		// match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no)
 24832  		// cond: z.Uses==1
 24833  		// result: (EQ (CMNW a (MULW <x.Type> x y)) yes no)
 24834  		for b.Controls[0].Op == OpARM64CMPWconst {
 24835  			v_0 := b.Controls[0]
 24836  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24837  				break
 24838  			}
 24839  			z := v_0.Args[0]
 24840  			if z.Op != OpARM64MADDW {
 24841  				break
 24842  			}
 24843  			y := z.Args[2]
 24844  			a := z.Args[0]
 24845  			x := z.Args[1]
 24846  			if !(z.Uses == 1) {
 24847  				break
 24848  			}
 24849  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24850  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24851  			v1.AddArg2(x, y)
 24852  			v0.AddArg2(a, v1)
 24853  			b.resetWithControl(block.BlockARM64EQ, v0)
 24854  			return true
 24855  		}
 24856  		// match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no)
 24857  		// cond: z.Uses==1
 24858  		// result: (EQ (CMP a (MUL <x.Type> x y)) yes no)
 24859  		for b.Controls[0].Op == OpARM64CMPconst {
 24860  			v_0 := b.Controls[0]
 24861  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24862  				break
 24863  			}
 24864  			z := v_0.Args[0]
 24865  			if z.Op != OpARM64MSUB {
 24866  				break
 24867  			}
 24868  			y := z.Args[2]
 24869  			a := z.Args[0]
 24870  			x := z.Args[1]
 24871  			if !(z.Uses == 1) {
 24872  				break
 24873  			}
 24874  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24875  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24876  			v1.AddArg2(x, y)
 24877  			v0.AddArg2(a, v1)
 24878  			b.resetWithControl(block.BlockARM64EQ, v0)
 24879  			return true
 24880  		}
 24881  		// match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24882  		// cond: z.Uses==1
 24883  		// result: (EQ (CMPW a (MULW <x.Type> x y)) yes no)
 24884  		for b.Controls[0].Op == OpARM64CMPWconst {
 24885  			v_0 := b.Controls[0]
 24886  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24887  				break
 24888  			}
 24889  			z := v_0.Args[0]
 24890  			if z.Op != OpARM64MSUBW {
 24891  				break
 24892  			}
 24893  			y := z.Args[2]
 24894  			a := z.Args[0]
 24895  			x := z.Args[1]
 24896  			if !(z.Uses == 1) {
 24897  				break
 24898  			}
 24899  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24900  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24901  			v1.AddArg2(x, y)
 24902  			v0.AddArg2(a, v1)
 24903  			b.resetWithControl(block.BlockARM64EQ, v0)
 24904  			return true
 24905  		}
 24906  		// match: (EQ (TSTconst [c] x) yes no)
 24907  		// cond: oneBit(c)
 24908  		// result: (TBZ [int64(ntz64(c))] x yes no)
 24909  		for b.Controls[0].Op == OpARM64TSTconst {
 24910  			v_0 := b.Controls[0]
 24911  			c := auxIntToInt64(v_0.AuxInt)
 24912  			x := v_0.Args[0]
 24913  			if !(oneBit(c)) {
 24914  				break
 24915  			}
 24916  			b.resetWithControl(block.BlockARM64TBZ, x)
 24917  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 24918  			return true
 24919  		}
 24920  		// match: (EQ (TSTWconst [c] x) yes no)
 24921  		// cond: oneBit(int64(uint32(c)))
 24922  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 24923  		for b.Controls[0].Op == OpARM64TSTWconst {
 24924  			v_0 := b.Controls[0]
 24925  			c := auxIntToInt32(v_0.AuxInt)
 24926  			x := v_0.Args[0]
 24927  			if !(oneBit(int64(uint32(c)))) {
 24928  				break
 24929  			}
 24930  			b.resetWithControl(block.BlockARM64TBZ, x)
 24931  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 24932  			return true
 24933  		}
 24934  		// match: (EQ (FlagConstant [fc]) yes no)
 24935  		// cond: fc.eq()
 24936  		// result: (First yes no)
 24937  		for b.Controls[0].Op == OpARM64FlagConstant {
 24938  			v_0 := b.Controls[0]
 24939  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24940  			if !(fc.eq()) {
 24941  				break
 24942  			}
 24943  			b.Reset(block.BlockFirst)
 24944  			return true
 24945  		}
 24946  		// match: (EQ (FlagConstant [fc]) yes no)
 24947  		// cond: !fc.eq()
 24948  		// result: (First no yes)
 24949  		for b.Controls[0].Op == OpARM64FlagConstant {
 24950  			v_0 := b.Controls[0]
 24951  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24952  			if !(!fc.eq()) {
 24953  				break
 24954  			}
 24955  			b.Reset(block.BlockFirst)
 24956  			b.swapSuccessors()
 24957  			return true
 24958  		}
 24959  		// match: (EQ (InvertFlags cmp) yes no)
 24960  		// result: (EQ cmp yes no)
 24961  		for b.Controls[0].Op == OpARM64InvertFlags {
 24962  			v_0 := b.Controls[0]
 24963  			cmp := v_0.Args[0]
 24964  			b.resetWithControl(block.BlockARM64EQ, cmp)
 24965  			return true
 24966  		}
 24967  	case block.BlockARM64FGE:
 24968  		// match: (FGE (InvertFlags cmp) yes no)
 24969  		// result: (FLE cmp yes no)
 24970  		for b.Controls[0].Op == OpARM64InvertFlags {
 24971  			v_0 := b.Controls[0]
 24972  			cmp := v_0.Args[0]
 24973  			b.resetWithControl(block.BlockARM64FLE, cmp)
 24974  			return true
 24975  		}
 24976  	case block.BlockARM64FGT:
 24977  		// match: (FGT (InvertFlags cmp) yes no)
 24978  		// result: (FLT cmp yes no)
 24979  		for b.Controls[0].Op == OpARM64InvertFlags {
 24980  			v_0 := b.Controls[0]
 24981  			cmp := v_0.Args[0]
 24982  			b.resetWithControl(block.BlockARM64FLT, cmp)
 24983  			return true
 24984  		}
 24985  	case block.BlockARM64FLE:
 24986  		// match: (FLE (InvertFlags cmp) yes no)
 24987  		// result: (FGE cmp yes no)
 24988  		for b.Controls[0].Op == OpARM64InvertFlags {
 24989  			v_0 := b.Controls[0]
 24990  			cmp := v_0.Args[0]
 24991  			b.resetWithControl(block.BlockARM64FGE, cmp)
 24992  			return true
 24993  		}
 24994  	case block.BlockARM64FLT:
 24995  		// match: (FLT (InvertFlags cmp) yes no)
 24996  		// result: (FGT cmp yes no)
 24997  		for b.Controls[0].Op == OpARM64InvertFlags {
 24998  			v_0 := b.Controls[0]
 24999  			cmp := v_0.Args[0]
 25000  			b.resetWithControl(block.BlockARM64FGT, cmp)
 25001  			return true
 25002  		}
 25003  	case block.BlockARM64GE:
 25004  		// match: (GE (CMPconst [0] z:(AND x y)) yes no)
 25005  		// cond: z.Uses == 1
 25006  		// result: (GE (TST x y) yes no)
 25007  		for b.Controls[0].Op == OpARM64CMPconst {
 25008  			v_0 := b.Controls[0]
 25009  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25010  				break
 25011  			}
 25012  			z := v_0.Args[0]
 25013  			if z.Op != OpARM64AND {
 25014  				break
 25015  			}
 25016  			_ = z.Args[1]
 25017  			z_0 := z.Args[0]
 25018  			z_1 := z.Args[1]
 25019  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25020  				x := z_0
 25021  				y := z_1
 25022  				if !(z.Uses == 1) {
 25023  					continue
 25024  				}
 25025  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25026  				v0.AddArg2(x, y)
 25027  				b.resetWithControl(block.BlockARM64GE, v0)
 25028  				return true
 25029  			}
 25030  			break
 25031  		}
 25032  		// match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25033  		// cond: x.Uses == 1
 25034  		// result: (GE (TSTconst [c] y) yes no)
 25035  		for b.Controls[0].Op == OpARM64CMPconst {
 25036  			v_0 := b.Controls[0]
 25037  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25038  				break
 25039  			}
 25040  			x := v_0.Args[0]
 25041  			if x.Op != OpARM64ANDconst {
 25042  				break
 25043  			}
 25044  			c := auxIntToInt64(x.AuxInt)
 25045  			y := x.Args[0]
 25046  			if !(x.Uses == 1) {
 25047  				break
 25048  			}
 25049  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25050  			v0.AuxInt = int64ToAuxInt(c)
 25051  			v0.AddArg(y)
 25052  			b.resetWithControl(block.BlockARM64GE, v0)
 25053  			return true
 25054  		}
 25055  		// match: (GE (CMPWconst [0] z:(AND x y)) yes no)
 25056  		// cond: z.Uses == 1
 25057  		// result: (GE (TSTW x y) yes no)
 25058  		for b.Controls[0].Op == OpARM64CMPWconst {
 25059  			v_0 := b.Controls[0]
 25060  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25061  				break
 25062  			}
 25063  			z := v_0.Args[0]
 25064  			if z.Op != OpARM64AND {
 25065  				break
 25066  			}
 25067  			_ = z.Args[1]
 25068  			z_0 := z.Args[0]
 25069  			z_1 := z.Args[1]
 25070  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25071  				x := z_0
 25072  				y := z_1
 25073  				if !(z.Uses == 1) {
 25074  					continue
 25075  				}
 25076  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25077  				v0.AddArg2(x, y)
 25078  				b.resetWithControl(block.BlockARM64GE, v0)
 25079  				return true
 25080  			}
 25081  			break
 25082  		}
 25083  		// match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25084  		// cond: x.Uses == 1
 25085  		// result: (GE (TSTWconst [int32(c)] y) yes no)
 25086  		for b.Controls[0].Op == OpARM64CMPWconst {
 25087  			v_0 := b.Controls[0]
 25088  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25089  				break
 25090  			}
 25091  			x := v_0.Args[0]
 25092  			if x.Op != OpARM64ANDconst {
 25093  				break
 25094  			}
 25095  			c := auxIntToInt64(x.AuxInt)
 25096  			y := x.Args[0]
 25097  			if !(x.Uses == 1) {
 25098  				break
 25099  			}
 25100  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25101  			v0.AuxInt = int32ToAuxInt(int32(c))
 25102  			v0.AddArg(y)
 25103  			b.resetWithControl(block.BlockARM64GE, v0)
 25104  			return true
 25105  		}
 25106  		// match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25107  		// cond: x.Uses == 1
 25108  		// result: (GEnoov (CMNconst [c] y) yes no)
 25109  		for b.Controls[0].Op == OpARM64CMPconst {
 25110  			v_0 := b.Controls[0]
 25111  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25112  				break
 25113  			}
 25114  			x := v_0.Args[0]
 25115  			if x.Op != OpARM64ADDconst {
 25116  				break
 25117  			}
 25118  			c := auxIntToInt64(x.AuxInt)
 25119  			y := x.Args[0]
 25120  			if !(x.Uses == 1) {
 25121  				break
 25122  			}
 25123  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25124  			v0.AuxInt = int64ToAuxInt(c)
 25125  			v0.AddArg(y)
 25126  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25127  			return true
 25128  		}
 25129  		// match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25130  		// cond: x.Uses == 1
 25131  		// result: (GEnoov (CMNWconst [int32(c)] y) yes no)
 25132  		for b.Controls[0].Op == OpARM64CMPWconst {
 25133  			v_0 := b.Controls[0]
 25134  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25135  				break
 25136  			}
 25137  			x := v_0.Args[0]
 25138  			if x.Op != OpARM64ADDconst {
 25139  				break
 25140  			}
 25141  			c := auxIntToInt64(x.AuxInt)
 25142  			y := x.Args[0]
 25143  			if !(x.Uses == 1) {
 25144  				break
 25145  			}
 25146  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25147  			v0.AuxInt = int32ToAuxInt(int32(c))
 25148  			v0.AddArg(y)
 25149  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25150  			return true
 25151  		}
 25152  		// match: (GE (CMPconst [0] z:(ADD x y)) yes no)
 25153  		// cond: z.Uses == 1
 25154  		// result: (GEnoov (CMN x y) yes no)
 25155  		for b.Controls[0].Op == OpARM64CMPconst {
 25156  			v_0 := b.Controls[0]
 25157  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25158  				break
 25159  			}
 25160  			z := v_0.Args[0]
 25161  			if z.Op != OpARM64ADD {
 25162  				break
 25163  			}
 25164  			_ = z.Args[1]
 25165  			z_0 := z.Args[0]
 25166  			z_1 := z.Args[1]
 25167  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25168  				x := z_0
 25169  				y := z_1
 25170  				if !(z.Uses == 1) {
 25171  					continue
 25172  				}
 25173  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25174  				v0.AddArg2(x, y)
 25175  				b.resetWithControl(block.BlockARM64GEnoov, v0)
 25176  				return true
 25177  			}
 25178  			break
 25179  		}
 25180  		// match: (GE (CMPWconst [0] z:(ADD x y)) yes no)
 25181  		// cond: z.Uses == 1
 25182  		// result: (GEnoov (CMNW x y) yes no)
 25183  		for b.Controls[0].Op == OpARM64CMPWconst {
 25184  			v_0 := b.Controls[0]
 25185  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25186  				break
 25187  			}
 25188  			z := v_0.Args[0]
 25189  			if z.Op != OpARM64ADD {
 25190  				break
 25191  			}
 25192  			_ = z.Args[1]
 25193  			z_0 := z.Args[0]
 25194  			z_1 := z.Args[1]
 25195  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25196  				x := z_0
 25197  				y := z_1
 25198  				if !(z.Uses == 1) {
 25199  					continue
 25200  				}
 25201  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25202  				v0.AddArg2(x, y)
 25203  				b.resetWithControl(block.BlockARM64GEnoov, v0)
 25204  				return true
 25205  			}
 25206  			break
 25207  		}
 25208  		// match: (GE (CMPconst [0] z:(MADD a x y)) yes no)
 25209  		// cond: z.Uses==1
 25210  		// result: (GEnoov (CMN a (MUL <x.Type> x y)) yes no)
 25211  		for b.Controls[0].Op == OpARM64CMPconst {
 25212  			v_0 := b.Controls[0]
 25213  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25214  				break
 25215  			}
 25216  			z := v_0.Args[0]
 25217  			if z.Op != OpARM64MADD {
 25218  				break
 25219  			}
 25220  			y := z.Args[2]
 25221  			a := z.Args[0]
 25222  			x := z.Args[1]
 25223  			if !(z.Uses == 1) {
 25224  				break
 25225  			}
 25226  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25227  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25228  			v1.AddArg2(x, y)
 25229  			v0.AddArg2(a, v1)
 25230  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25231  			return true
 25232  		}
 25233  		// match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no)
 25234  		// cond: z.Uses==1
 25235  		// result: (GEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25236  		for b.Controls[0].Op == OpARM64CMPWconst {
 25237  			v_0 := b.Controls[0]
 25238  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25239  				break
 25240  			}
 25241  			z := v_0.Args[0]
 25242  			if z.Op != OpARM64MADDW {
 25243  				break
 25244  			}
 25245  			y := z.Args[2]
 25246  			a := z.Args[0]
 25247  			x := z.Args[1]
 25248  			if !(z.Uses == 1) {
 25249  				break
 25250  			}
 25251  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25252  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25253  			v1.AddArg2(x, y)
 25254  			v0.AddArg2(a, v1)
 25255  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25256  			return true
 25257  		}
 25258  		// match: (GE (CMPWconst [0] x) yes no)
 25259  		// result: (TBZ [31] x yes no)
 25260  		for b.Controls[0].Op == OpARM64CMPWconst {
 25261  			v_0 := b.Controls[0]
 25262  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25263  				break
 25264  			}
 25265  			x := v_0.Args[0]
 25266  			b.resetWithControl(block.BlockARM64TBZ, x)
 25267  			b.AuxInt = int64ToAuxInt(31)
 25268  			return true
 25269  		}
 25270  		// match: (GE (CMPconst [0] x) yes no)
 25271  		// result: (TBZ [63] x yes no)
 25272  		for b.Controls[0].Op == OpARM64CMPconst {
 25273  			v_0 := b.Controls[0]
 25274  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25275  				break
 25276  			}
 25277  			x := v_0.Args[0]
 25278  			b.resetWithControl(block.BlockARM64TBZ, x)
 25279  			b.AuxInt = int64ToAuxInt(63)
 25280  			return true
 25281  		}
 25282  		// match: (GE (CMPWconst [128] x) yes no)
 25283  		// cond: ZeroUpper56Bits(x)
 25284  		// result: (TBNZ [7] x yes no)
 25285  		for b.Controls[0].Op == OpARM64CMPWconst {
 25286  			v_0 := b.Controls[0]
 25287  			if auxIntToInt32(v_0.AuxInt) != 128 {
 25288  				break
 25289  			}
 25290  			x := v_0.Args[0]
 25291  			if !(ZeroUpper56Bits(x)) {
 25292  				break
 25293  			}
 25294  			b.resetWithControl(block.BlockARM64TBNZ, x)
 25295  			b.AuxInt = int64ToAuxInt(7)
 25296  			return true
 25297  		}
 25298  		// match: (GE (CMPconst [128] x) yes no)
 25299  		// cond: ZeroUpper56Bits(x)
 25300  		// result: (TBNZ [7] x yes no)
 25301  		for b.Controls[0].Op == OpARM64CMPconst {
 25302  			v_0 := b.Controls[0]
 25303  			if auxIntToInt64(v_0.AuxInt) != 128 {
 25304  				break
 25305  			}
 25306  			x := v_0.Args[0]
 25307  			if !(ZeroUpper56Bits(x)) {
 25308  				break
 25309  			}
 25310  			b.resetWithControl(block.BlockARM64TBNZ, x)
 25311  			b.AuxInt = int64ToAuxInt(7)
 25312  			return true
 25313  		}
 25314  		// match: (GE (FlagConstant [fc]) yes no)
 25315  		// cond: fc.ge()
 25316  		// result: (First yes no)
 25317  		for b.Controls[0].Op == OpARM64FlagConstant {
 25318  			v_0 := b.Controls[0]
 25319  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25320  			if !(fc.ge()) {
 25321  				break
 25322  			}
 25323  			b.Reset(block.BlockFirst)
 25324  			return true
 25325  		}
 25326  		// match: (GE (FlagConstant [fc]) yes no)
 25327  		// cond: !fc.ge()
 25328  		// result: (First no yes)
 25329  		for b.Controls[0].Op == OpARM64FlagConstant {
 25330  			v_0 := b.Controls[0]
 25331  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25332  			if !(!fc.ge()) {
 25333  				break
 25334  			}
 25335  			b.Reset(block.BlockFirst)
 25336  			b.swapSuccessors()
 25337  			return true
 25338  		}
 25339  		// match: (GE (InvertFlags cmp) yes no)
 25340  		// result: (LE cmp yes no)
 25341  		for b.Controls[0].Op == OpARM64InvertFlags {
 25342  			v_0 := b.Controls[0]
 25343  			cmp := v_0.Args[0]
 25344  			b.resetWithControl(block.BlockARM64LE, cmp)
 25345  			return true
 25346  		}
 25347  	case block.BlockARM64GEnoov:
 25348  		// match: (GEnoov (FlagConstant [fc]) yes no)
 25349  		// cond: fc.geNoov()
 25350  		// result: (First yes no)
 25351  		for b.Controls[0].Op == OpARM64FlagConstant {
 25352  			v_0 := b.Controls[0]
 25353  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25354  			if !(fc.geNoov()) {
 25355  				break
 25356  			}
 25357  			b.Reset(block.BlockFirst)
 25358  			return true
 25359  		}
 25360  		// match: (GEnoov (FlagConstant [fc]) yes no)
 25361  		// cond: !fc.geNoov()
 25362  		// result: (First no yes)
 25363  		for b.Controls[0].Op == OpARM64FlagConstant {
 25364  			v_0 := b.Controls[0]
 25365  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25366  			if !(!fc.geNoov()) {
 25367  				break
 25368  			}
 25369  			b.Reset(block.BlockFirst)
 25370  			b.swapSuccessors()
 25371  			return true
 25372  		}
 25373  	case block.BlockARM64GT:
 25374  		// match: (GT (CMPconst [0] z:(AND x y)) yes no)
 25375  		// cond: z.Uses == 1
 25376  		// result: (GT (TST x y) yes no)
 25377  		for b.Controls[0].Op == OpARM64CMPconst {
 25378  			v_0 := b.Controls[0]
 25379  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25380  				break
 25381  			}
 25382  			z := v_0.Args[0]
 25383  			if z.Op != OpARM64AND {
 25384  				break
 25385  			}
 25386  			_ = z.Args[1]
 25387  			z_0 := z.Args[0]
 25388  			z_1 := z.Args[1]
 25389  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25390  				x := z_0
 25391  				y := z_1
 25392  				if !(z.Uses == 1) {
 25393  					continue
 25394  				}
 25395  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25396  				v0.AddArg2(x, y)
 25397  				b.resetWithControl(block.BlockARM64GT, v0)
 25398  				return true
 25399  			}
 25400  			break
 25401  		}
 25402  		// match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25403  		// cond: x.Uses == 1
 25404  		// result: (GT (TSTconst [c] y) yes no)
 25405  		for b.Controls[0].Op == OpARM64CMPconst {
 25406  			v_0 := b.Controls[0]
 25407  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25408  				break
 25409  			}
 25410  			x := v_0.Args[0]
 25411  			if x.Op != OpARM64ANDconst {
 25412  				break
 25413  			}
 25414  			c := auxIntToInt64(x.AuxInt)
 25415  			y := x.Args[0]
 25416  			if !(x.Uses == 1) {
 25417  				break
 25418  			}
 25419  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25420  			v0.AuxInt = int64ToAuxInt(c)
 25421  			v0.AddArg(y)
 25422  			b.resetWithControl(block.BlockARM64GT, v0)
 25423  			return true
 25424  		}
 25425  		// match: (GT (CMPWconst [0] z:(AND x y)) yes no)
 25426  		// cond: z.Uses == 1
 25427  		// result: (GT (TSTW x y) yes no)
 25428  		for b.Controls[0].Op == OpARM64CMPWconst {
 25429  			v_0 := b.Controls[0]
 25430  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25431  				break
 25432  			}
 25433  			z := v_0.Args[0]
 25434  			if z.Op != OpARM64AND {
 25435  				break
 25436  			}
 25437  			_ = z.Args[1]
 25438  			z_0 := z.Args[0]
 25439  			z_1 := z.Args[1]
 25440  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25441  				x := z_0
 25442  				y := z_1
 25443  				if !(z.Uses == 1) {
 25444  					continue
 25445  				}
 25446  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25447  				v0.AddArg2(x, y)
 25448  				b.resetWithControl(block.BlockARM64GT, v0)
 25449  				return true
 25450  			}
 25451  			break
 25452  		}
 25453  		// match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25454  		// cond: x.Uses == 1
 25455  		// result: (GT (TSTWconst [int32(c)] y) yes no)
 25456  		for b.Controls[0].Op == OpARM64CMPWconst {
 25457  			v_0 := b.Controls[0]
 25458  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25459  				break
 25460  			}
 25461  			x := v_0.Args[0]
 25462  			if x.Op != OpARM64ANDconst {
 25463  				break
 25464  			}
 25465  			c := auxIntToInt64(x.AuxInt)
 25466  			y := x.Args[0]
 25467  			if !(x.Uses == 1) {
 25468  				break
 25469  			}
 25470  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25471  			v0.AuxInt = int32ToAuxInt(int32(c))
 25472  			v0.AddArg(y)
 25473  			b.resetWithControl(block.BlockARM64GT, v0)
 25474  			return true
 25475  		}
 25476  		// match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25477  		// cond: x.Uses == 1
 25478  		// result: (GTnoov (CMNconst [c] y) yes no)
 25479  		for b.Controls[0].Op == OpARM64CMPconst {
 25480  			v_0 := b.Controls[0]
 25481  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25482  				break
 25483  			}
 25484  			x := v_0.Args[0]
 25485  			if x.Op != OpARM64ADDconst {
 25486  				break
 25487  			}
 25488  			c := auxIntToInt64(x.AuxInt)
 25489  			y := x.Args[0]
 25490  			if !(x.Uses == 1) {
 25491  				break
 25492  			}
 25493  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25494  			v0.AuxInt = int64ToAuxInt(c)
 25495  			v0.AddArg(y)
 25496  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25497  			return true
 25498  		}
 25499  		// match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25500  		// cond: x.Uses == 1
 25501  		// result: (GTnoov (CMNWconst [int32(c)] y) yes no)
 25502  		for b.Controls[0].Op == OpARM64CMPWconst {
 25503  			v_0 := b.Controls[0]
 25504  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25505  				break
 25506  			}
 25507  			x := v_0.Args[0]
 25508  			if x.Op != OpARM64ADDconst {
 25509  				break
 25510  			}
 25511  			c := auxIntToInt64(x.AuxInt)
 25512  			y := x.Args[0]
 25513  			if !(x.Uses == 1) {
 25514  				break
 25515  			}
 25516  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25517  			v0.AuxInt = int32ToAuxInt(int32(c))
 25518  			v0.AddArg(y)
 25519  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25520  			return true
 25521  		}
 25522  		// match: (GT (CMPconst [0] z:(ADD x y)) yes no)
 25523  		// cond: z.Uses == 1
 25524  		// result: (GTnoov (CMN x y) yes no)
 25525  		for b.Controls[0].Op == OpARM64CMPconst {
 25526  			v_0 := b.Controls[0]
 25527  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25528  				break
 25529  			}
 25530  			z := v_0.Args[0]
 25531  			if z.Op != OpARM64ADD {
 25532  				break
 25533  			}
 25534  			_ = z.Args[1]
 25535  			z_0 := z.Args[0]
 25536  			z_1 := z.Args[1]
 25537  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25538  				x := z_0
 25539  				y := z_1
 25540  				if !(z.Uses == 1) {
 25541  					continue
 25542  				}
 25543  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25544  				v0.AddArg2(x, y)
 25545  				b.resetWithControl(block.BlockARM64GTnoov, v0)
 25546  				return true
 25547  			}
 25548  			break
 25549  		}
 25550  		// match: (GT (CMPWconst [0] z:(ADD x y)) yes no)
 25551  		// cond: z.Uses == 1
 25552  		// result: (GTnoov (CMNW x y) yes no)
 25553  		for b.Controls[0].Op == OpARM64CMPWconst {
 25554  			v_0 := b.Controls[0]
 25555  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25556  				break
 25557  			}
 25558  			z := v_0.Args[0]
 25559  			if z.Op != OpARM64ADD {
 25560  				break
 25561  			}
 25562  			_ = z.Args[1]
 25563  			z_0 := z.Args[0]
 25564  			z_1 := z.Args[1]
 25565  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25566  				x := z_0
 25567  				y := z_1
 25568  				if !(z.Uses == 1) {
 25569  					continue
 25570  				}
 25571  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25572  				v0.AddArg2(x, y)
 25573  				b.resetWithControl(block.BlockARM64GTnoov, v0)
 25574  				return true
 25575  			}
 25576  			break
 25577  		}
 25578  		// match: (GT (CMPconst [0] z:(MADD a x y)) yes no)
 25579  		// cond: z.Uses==1
 25580  		// result: (GTnoov (CMN a (MUL <x.Type> x y)) yes no)
 25581  		for b.Controls[0].Op == OpARM64CMPconst {
 25582  			v_0 := b.Controls[0]
 25583  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25584  				break
 25585  			}
 25586  			z := v_0.Args[0]
 25587  			if z.Op != OpARM64MADD {
 25588  				break
 25589  			}
 25590  			y := z.Args[2]
 25591  			a := z.Args[0]
 25592  			x := z.Args[1]
 25593  			if !(z.Uses == 1) {
 25594  				break
 25595  			}
 25596  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25597  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25598  			v1.AddArg2(x, y)
 25599  			v0.AddArg2(a, v1)
 25600  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25601  			return true
 25602  		}
 25603  		// match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no)
 25604  		// cond: z.Uses==1
 25605  		// result: (GTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25606  		for b.Controls[0].Op == OpARM64CMPWconst {
 25607  			v_0 := b.Controls[0]
 25608  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25609  				break
 25610  			}
 25611  			z := v_0.Args[0]
 25612  			if z.Op != OpARM64MADDW {
 25613  				break
 25614  			}
 25615  			y := z.Args[2]
 25616  			a := z.Args[0]
 25617  			x := z.Args[1]
 25618  			if !(z.Uses == 1) {
 25619  				break
 25620  			}
 25621  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25622  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25623  			v1.AddArg2(x, y)
 25624  			v0.AddArg2(a, v1)
 25625  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25626  			return true
 25627  		}
 25628  		// match: (GT (FlagConstant [fc]) yes no)
 25629  		// cond: fc.gt()
 25630  		// result: (First yes no)
 25631  		for b.Controls[0].Op == OpARM64FlagConstant {
 25632  			v_0 := b.Controls[0]
 25633  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25634  			if !(fc.gt()) {
 25635  				break
 25636  			}
 25637  			b.Reset(block.BlockFirst)
 25638  			return true
 25639  		}
 25640  		// match: (GT (FlagConstant [fc]) yes no)
 25641  		// cond: !fc.gt()
 25642  		// result: (First no yes)
 25643  		for b.Controls[0].Op == OpARM64FlagConstant {
 25644  			v_0 := b.Controls[0]
 25645  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25646  			if !(!fc.gt()) {
 25647  				break
 25648  			}
 25649  			b.Reset(block.BlockFirst)
 25650  			b.swapSuccessors()
 25651  			return true
 25652  		}
 25653  		// match: (GT (InvertFlags cmp) yes no)
 25654  		// result: (LT cmp yes no)
 25655  		for b.Controls[0].Op == OpARM64InvertFlags {
 25656  			v_0 := b.Controls[0]
 25657  			cmp := v_0.Args[0]
 25658  			b.resetWithControl(block.BlockARM64LT, cmp)
 25659  			return true
 25660  		}
 25661  	case block.BlockARM64GTnoov:
 25662  		// match: (GTnoov (FlagConstant [fc]) yes no)
 25663  		// cond: fc.gtNoov()
 25664  		// result: (First yes no)
 25665  		for b.Controls[0].Op == OpARM64FlagConstant {
 25666  			v_0 := b.Controls[0]
 25667  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25668  			if !(fc.gtNoov()) {
 25669  				break
 25670  			}
 25671  			b.Reset(block.BlockFirst)
 25672  			return true
 25673  		}
 25674  		// match: (GTnoov (FlagConstant [fc]) yes no)
 25675  		// cond: !fc.gtNoov()
 25676  		// result: (First no yes)
 25677  		for b.Controls[0].Op == OpARM64FlagConstant {
 25678  			v_0 := b.Controls[0]
 25679  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25680  			if !(!fc.gtNoov()) {
 25681  				break
 25682  			}
 25683  			b.Reset(block.BlockFirst)
 25684  			b.swapSuccessors()
 25685  			return true
 25686  		}
 25687  	case block.BlockIf:
 25688  		// match: (If (Equal cc) yes no)
 25689  		// result: (EQ cc yes no)
 25690  		for b.Controls[0].Op == OpARM64Equal {
 25691  			v_0 := b.Controls[0]
 25692  			cc := v_0.Args[0]
 25693  			b.resetWithControl(block.BlockARM64EQ, cc)
 25694  			return true
 25695  		}
 25696  		// match: (If (NotEqual cc) yes no)
 25697  		// result: (NE cc yes no)
 25698  		for b.Controls[0].Op == OpARM64NotEqual {
 25699  			v_0 := b.Controls[0]
 25700  			cc := v_0.Args[0]
 25701  			b.resetWithControl(block.BlockARM64NE, cc)
 25702  			return true
 25703  		}
 25704  		// match: (If (LessThan cc) yes no)
 25705  		// result: (LT cc yes no)
 25706  		for b.Controls[0].Op == OpARM64LessThan {
 25707  			v_0 := b.Controls[0]
 25708  			cc := v_0.Args[0]
 25709  			b.resetWithControl(block.BlockARM64LT, cc)
 25710  			return true
 25711  		}
 25712  		// match: (If (LessThanU cc) yes no)
 25713  		// result: (ULT cc yes no)
 25714  		for b.Controls[0].Op == OpARM64LessThanU {
 25715  			v_0 := b.Controls[0]
 25716  			cc := v_0.Args[0]
 25717  			b.resetWithControl(block.BlockARM64ULT, cc)
 25718  			return true
 25719  		}
 25720  		// match: (If (LessEqual cc) yes no)
 25721  		// result: (LE cc yes no)
 25722  		for b.Controls[0].Op == OpARM64LessEqual {
 25723  			v_0 := b.Controls[0]
 25724  			cc := v_0.Args[0]
 25725  			b.resetWithControl(block.BlockARM64LE, cc)
 25726  			return true
 25727  		}
 25728  		// match: (If (LessEqualU cc) yes no)
 25729  		// result: (ULE cc yes no)
 25730  		for b.Controls[0].Op == OpARM64LessEqualU {
 25731  			v_0 := b.Controls[0]
 25732  			cc := v_0.Args[0]
 25733  			b.resetWithControl(block.BlockARM64ULE, cc)
 25734  			return true
 25735  		}
 25736  		// match: (If (GreaterThan cc) yes no)
 25737  		// result: (GT cc yes no)
 25738  		for b.Controls[0].Op == OpARM64GreaterThan {
 25739  			v_0 := b.Controls[0]
 25740  			cc := v_0.Args[0]
 25741  			b.resetWithControl(block.BlockARM64GT, cc)
 25742  			return true
 25743  		}
 25744  		// match: (If (GreaterThanU cc) yes no)
 25745  		// result: (UGT cc yes no)
 25746  		for b.Controls[0].Op == OpARM64GreaterThanU {
 25747  			v_0 := b.Controls[0]
 25748  			cc := v_0.Args[0]
 25749  			b.resetWithControl(block.BlockARM64UGT, cc)
 25750  			return true
 25751  		}
 25752  		// match: (If (GreaterEqual cc) yes no)
 25753  		// result: (GE cc yes no)
 25754  		for b.Controls[0].Op == OpARM64GreaterEqual {
 25755  			v_0 := b.Controls[0]
 25756  			cc := v_0.Args[0]
 25757  			b.resetWithControl(block.BlockARM64GE, cc)
 25758  			return true
 25759  		}
 25760  		// match: (If (GreaterEqualU cc) yes no)
 25761  		// result: (UGE cc yes no)
 25762  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 25763  			v_0 := b.Controls[0]
 25764  			cc := v_0.Args[0]
 25765  			b.resetWithControl(block.BlockARM64UGE, cc)
 25766  			return true
 25767  		}
 25768  		// match: (If (LessThanF cc) yes no)
 25769  		// result: (FLT cc yes no)
 25770  		for b.Controls[0].Op == OpARM64LessThanF {
 25771  			v_0 := b.Controls[0]
 25772  			cc := v_0.Args[0]
 25773  			b.resetWithControl(block.BlockARM64FLT, cc)
 25774  			return true
 25775  		}
 25776  		// match: (If (LessEqualF cc) yes no)
 25777  		// result: (FLE cc yes no)
 25778  		for b.Controls[0].Op == OpARM64LessEqualF {
 25779  			v_0 := b.Controls[0]
 25780  			cc := v_0.Args[0]
 25781  			b.resetWithControl(block.BlockARM64FLE, cc)
 25782  			return true
 25783  		}
 25784  		// match: (If (GreaterThanF cc) yes no)
 25785  		// result: (FGT cc yes no)
 25786  		for b.Controls[0].Op == OpARM64GreaterThanF {
 25787  			v_0 := b.Controls[0]
 25788  			cc := v_0.Args[0]
 25789  			b.resetWithControl(block.BlockARM64FGT, cc)
 25790  			return true
 25791  		}
 25792  		// match: (If (GreaterEqualF cc) yes no)
 25793  		// result: (FGE cc yes no)
 25794  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 25795  			v_0 := b.Controls[0]
 25796  			cc := v_0.Args[0]
 25797  			b.resetWithControl(block.BlockARM64FGE, cc)
 25798  			return true
 25799  		}
 25800  		// match: (If cond yes no)
 25801  		// result: (TBNZ [0] cond yes no)
 25802  		for {
 25803  			cond := b.Controls[0]
 25804  			b.resetWithControl(block.BlockARM64TBNZ, cond)
 25805  			b.AuxInt = int64ToAuxInt(0)
 25806  			return true
 25807  		}
 25808  	case block.BlockJumpTable:
 25809  		// match: (JumpTable idx)
 25810  		// result: (JUMPTABLE {makeJumpTableSym(b)} idx (MOVDaddr <typ.Uintptr> {makeJumpTableSym(b)} (SB)))
 25811  		for {
 25812  			idx := b.Controls[0]
 25813  			v0 := b.NewValue0(b.Pos, OpARM64MOVDaddr, typ.Uintptr)
 25814  			v0.Aux = symToAux(makeJumpTableSym(b))
 25815  			v1 := b.NewValue0(b.Pos, OpSB, typ.Uintptr)
 25816  			v0.AddArg(v1)
 25817  			b.resetWithControl2(block.BlockARM64JUMPTABLE, idx, v0)
 25818  			b.Aux = symToAux(makeJumpTableSym(b))
 25819  			return true
 25820  		}
 25821  	case block.BlockARM64LE:
 25822  		// match: (LE (CMPconst [0] z:(AND x y)) yes no)
 25823  		// cond: z.Uses == 1
 25824  		// result: (LE (TST x y) yes no)
 25825  		for b.Controls[0].Op == OpARM64CMPconst {
 25826  			v_0 := b.Controls[0]
 25827  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25828  				break
 25829  			}
 25830  			z := v_0.Args[0]
 25831  			if z.Op != OpARM64AND {
 25832  				break
 25833  			}
 25834  			_ = z.Args[1]
 25835  			z_0 := z.Args[0]
 25836  			z_1 := z.Args[1]
 25837  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25838  				x := z_0
 25839  				y := z_1
 25840  				if !(z.Uses == 1) {
 25841  					continue
 25842  				}
 25843  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25844  				v0.AddArg2(x, y)
 25845  				b.resetWithControl(block.BlockARM64LE, v0)
 25846  				return true
 25847  			}
 25848  			break
 25849  		}
 25850  		// match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25851  		// cond: x.Uses == 1
 25852  		// result: (LE (TSTconst [c] y) yes no)
 25853  		for b.Controls[0].Op == OpARM64CMPconst {
 25854  			v_0 := b.Controls[0]
 25855  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25856  				break
 25857  			}
 25858  			x := v_0.Args[0]
 25859  			if x.Op != OpARM64ANDconst {
 25860  				break
 25861  			}
 25862  			c := auxIntToInt64(x.AuxInt)
 25863  			y := x.Args[0]
 25864  			if !(x.Uses == 1) {
 25865  				break
 25866  			}
 25867  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25868  			v0.AuxInt = int64ToAuxInt(c)
 25869  			v0.AddArg(y)
 25870  			b.resetWithControl(block.BlockARM64LE, v0)
 25871  			return true
 25872  		}
 25873  		// match: (LE (CMPWconst [0] z:(AND x y)) yes no)
 25874  		// cond: z.Uses == 1
 25875  		// result: (LE (TSTW x y) yes no)
 25876  		for b.Controls[0].Op == OpARM64CMPWconst {
 25877  			v_0 := b.Controls[0]
 25878  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25879  				break
 25880  			}
 25881  			z := v_0.Args[0]
 25882  			if z.Op != OpARM64AND {
 25883  				break
 25884  			}
 25885  			_ = z.Args[1]
 25886  			z_0 := z.Args[0]
 25887  			z_1 := z.Args[1]
 25888  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25889  				x := z_0
 25890  				y := z_1
 25891  				if !(z.Uses == 1) {
 25892  					continue
 25893  				}
 25894  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25895  				v0.AddArg2(x, y)
 25896  				b.resetWithControl(block.BlockARM64LE, v0)
 25897  				return true
 25898  			}
 25899  			break
 25900  		}
 25901  		// match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25902  		// cond: x.Uses == 1
 25903  		// result: (LE (TSTWconst [int32(c)] y) yes no)
 25904  		for b.Controls[0].Op == OpARM64CMPWconst {
 25905  			v_0 := b.Controls[0]
 25906  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25907  				break
 25908  			}
 25909  			x := v_0.Args[0]
 25910  			if x.Op != OpARM64ANDconst {
 25911  				break
 25912  			}
 25913  			c := auxIntToInt64(x.AuxInt)
 25914  			y := x.Args[0]
 25915  			if !(x.Uses == 1) {
 25916  				break
 25917  			}
 25918  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25919  			v0.AuxInt = int32ToAuxInt(int32(c))
 25920  			v0.AddArg(y)
 25921  			b.resetWithControl(block.BlockARM64LE, v0)
 25922  			return true
 25923  		}
 25924  		// match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25925  		// cond: x.Uses == 1
 25926  		// result: (LEnoov (CMNconst [c] y) yes no)
 25927  		for b.Controls[0].Op == OpARM64CMPconst {
 25928  			v_0 := b.Controls[0]
 25929  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25930  				break
 25931  			}
 25932  			x := v_0.Args[0]
 25933  			if x.Op != OpARM64ADDconst {
 25934  				break
 25935  			}
 25936  			c := auxIntToInt64(x.AuxInt)
 25937  			y := x.Args[0]
 25938  			if !(x.Uses == 1) {
 25939  				break
 25940  			}
 25941  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25942  			v0.AuxInt = int64ToAuxInt(c)
 25943  			v0.AddArg(y)
 25944  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 25945  			return true
 25946  		}
 25947  		// match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25948  		// cond: x.Uses == 1
 25949  		// result: (LEnoov (CMNWconst [int32(c)] y) yes no)
 25950  		for b.Controls[0].Op == OpARM64CMPWconst {
 25951  			v_0 := b.Controls[0]
 25952  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25953  				break
 25954  			}
 25955  			x := v_0.Args[0]
 25956  			if x.Op != OpARM64ADDconst {
 25957  				break
 25958  			}
 25959  			c := auxIntToInt64(x.AuxInt)
 25960  			y := x.Args[0]
 25961  			if !(x.Uses == 1) {
 25962  				break
 25963  			}
 25964  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25965  			v0.AuxInt = int32ToAuxInt(int32(c))
 25966  			v0.AddArg(y)
 25967  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 25968  			return true
 25969  		}
 25970  		// match: (LE (CMPconst [0] z:(ADD x y)) yes no)
 25971  		// cond: z.Uses == 1
 25972  		// result: (LEnoov (CMN x y) yes no)
 25973  		for b.Controls[0].Op == OpARM64CMPconst {
 25974  			v_0 := b.Controls[0]
 25975  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25976  				break
 25977  			}
 25978  			z := v_0.Args[0]
 25979  			if z.Op != OpARM64ADD {
 25980  				break
 25981  			}
 25982  			_ = z.Args[1]
 25983  			z_0 := z.Args[0]
 25984  			z_1 := z.Args[1]
 25985  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25986  				x := z_0
 25987  				y := z_1
 25988  				if !(z.Uses == 1) {
 25989  					continue
 25990  				}
 25991  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25992  				v0.AddArg2(x, y)
 25993  				b.resetWithControl(block.BlockARM64LEnoov, v0)
 25994  				return true
 25995  			}
 25996  			break
 25997  		}
 25998  		// match: (LE (CMPWconst [0] z:(ADD x y)) yes no)
 25999  		// cond: z.Uses == 1
 26000  		// result: (LEnoov (CMNW x y) yes no)
 26001  		for b.Controls[0].Op == OpARM64CMPWconst {
 26002  			v_0 := b.Controls[0]
 26003  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26004  				break
 26005  			}
 26006  			z := v_0.Args[0]
 26007  			if z.Op != OpARM64ADD {
 26008  				break
 26009  			}
 26010  			_ = z.Args[1]
 26011  			z_0 := z.Args[0]
 26012  			z_1 := z.Args[1]
 26013  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26014  				x := z_0
 26015  				y := z_1
 26016  				if !(z.Uses == 1) {
 26017  					continue
 26018  				}
 26019  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26020  				v0.AddArg2(x, y)
 26021  				b.resetWithControl(block.BlockARM64LEnoov, v0)
 26022  				return true
 26023  			}
 26024  			break
 26025  		}
 26026  		// match: (LE (CMPconst [0] z:(MADD a x y)) yes no)
 26027  		// cond: z.Uses==1
 26028  		// result: (LEnoov (CMN a (MUL <x.Type> x y)) yes no)
 26029  		for b.Controls[0].Op == OpARM64CMPconst {
 26030  			v_0 := b.Controls[0]
 26031  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26032  				break
 26033  			}
 26034  			z := v_0.Args[0]
 26035  			if z.Op != OpARM64MADD {
 26036  				break
 26037  			}
 26038  			y := z.Args[2]
 26039  			a := z.Args[0]
 26040  			x := z.Args[1]
 26041  			if !(z.Uses == 1) {
 26042  				break
 26043  			}
 26044  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26045  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26046  			v1.AddArg2(x, y)
 26047  			v0.AddArg2(a, v1)
 26048  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 26049  			return true
 26050  		}
 26051  		// match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no)
 26052  		// cond: z.Uses==1
 26053  		// result: (LEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 26054  		for b.Controls[0].Op == OpARM64CMPWconst {
 26055  			v_0 := b.Controls[0]
 26056  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26057  				break
 26058  			}
 26059  			z := v_0.Args[0]
 26060  			if z.Op != OpARM64MADDW {
 26061  				break
 26062  			}
 26063  			y := z.Args[2]
 26064  			a := z.Args[0]
 26065  			x := z.Args[1]
 26066  			if !(z.Uses == 1) {
 26067  				break
 26068  			}
 26069  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26070  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26071  			v1.AddArg2(x, y)
 26072  			v0.AddArg2(a, v1)
 26073  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 26074  			return true
 26075  		}
 26076  		// match: (LE (FlagConstant [fc]) yes no)
 26077  		// cond: fc.le()
 26078  		// result: (First yes no)
 26079  		for b.Controls[0].Op == OpARM64FlagConstant {
 26080  			v_0 := b.Controls[0]
 26081  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26082  			if !(fc.le()) {
 26083  				break
 26084  			}
 26085  			b.Reset(block.BlockFirst)
 26086  			return true
 26087  		}
 26088  		// match: (LE (FlagConstant [fc]) yes no)
 26089  		// cond: !fc.le()
 26090  		// result: (First no yes)
 26091  		for b.Controls[0].Op == OpARM64FlagConstant {
 26092  			v_0 := b.Controls[0]
 26093  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26094  			if !(!fc.le()) {
 26095  				break
 26096  			}
 26097  			b.Reset(block.BlockFirst)
 26098  			b.swapSuccessors()
 26099  			return true
 26100  		}
 26101  		// match: (LE (InvertFlags cmp) yes no)
 26102  		// result: (GE cmp yes no)
 26103  		for b.Controls[0].Op == OpARM64InvertFlags {
 26104  			v_0 := b.Controls[0]
 26105  			cmp := v_0.Args[0]
 26106  			b.resetWithControl(block.BlockARM64GE, cmp)
 26107  			return true
 26108  		}
 26109  	case block.BlockARM64LEnoov:
 26110  		// match: (LEnoov (FlagConstant [fc]) yes no)
 26111  		// cond: fc.leNoov()
 26112  		// result: (First yes no)
 26113  		for b.Controls[0].Op == OpARM64FlagConstant {
 26114  			v_0 := b.Controls[0]
 26115  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26116  			if !(fc.leNoov()) {
 26117  				break
 26118  			}
 26119  			b.Reset(block.BlockFirst)
 26120  			return true
 26121  		}
 26122  		// match: (LEnoov (FlagConstant [fc]) yes no)
 26123  		// cond: !fc.leNoov()
 26124  		// result: (First no yes)
 26125  		for b.Controls[0].Op == OpARM64FlagConstant {
 26126  			v_0 := b.Controls[0]
 26127  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26128  			if !(!fc.leNoov()) {
 26129  				break
 26130  			}
 26131  			b.Reset(block.BlockFirst)
 26132  			b.swapSuccessors()
 26133  			return true
 26134  		}
 26135  	case block.BlockARM64LT:
 26136  		// match: (LT (CMPconst [0] z:(AND x y)) yes no)
 26137  		// cond: z.Uses == 1
 26138  		// result: (LT (TST x y) yes no)
 26139  		for b.Controls[0].Op == OpARM64CMPconst {
 26140  			v_0 := b.Controls[0]
 26141  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26142  				break
 26143  			}
 26144  			z := v_0.Args[0]
 26145  			if z.Op != OpARM64AND {
 26146  				break
 26147  			}
 26148  			_ = z.Args[1]
 26149  			z_0 := z.Args[0]
 26150  			z_1 := z.Args[1]
 26151  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26152  				x := z_0
 26153  				y := z_1
 26154  				if !(z.Uses == 1) {
 26155  					continue
 26156  				}
 26157  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 26158  				v0.AddArg2(x, y)
 26159  				b.resetWithControl(block.BlockARM64LT, v0)
 26160  				return true
 26161  			}
 26162  			break
 26163  		}
 26164  		// match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 26165  		// cond: x.Uses == 1
 26166  		// result: (LT (TSTconst [c] y) yes no)
 26167  		for b.Controls[0].Op == OpARM64CMPconst {
 26168  			v_0 := b.Controls[0]
 26169  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26170  				break
 26171  			}
 26172  			x := v_0.Args[0]
 26173  			if x.Op != OpARM64ANDconst {
 26174  				break
 26175  			}
 26176  			c := auxIntToInt64(x.AuxInt)
 26177  			y := x.Args[0]
 26178  			if !(x.Uses == 1) {
 26179  				break
 26180  			}
 26181  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 26182  			v0.AuxInt = int64ToAuxInt(c)
 26183  			v0.AddArg(y)
 26184  			b.resetWithControl(block.BlockARM64LT, v0)
 26185  			return true
 26186  		}
 26187  		// match: (LT (CMPWconst [0] z:(AND x y)) yes no)
 26188  		// cond: z.Uses == 1
 26189  		// result: (LT (TSTW x y) yes no)
 26190  		for b.Controls[0].Op == OpARM64CMPWconst {
 26191  			v_0 := b.Controls[0]
 26192  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26193  				break
 26194  			}
 26195  			z := v_0.Args[0]
 26196  			if z.Op != OpARM64AND {
 26197  				break
 26198  			}
 26199  			_ = z.Args[1]
 26200  			z_0 := z.Args[0]
 26201  			z_1 := z.Args[1]
 26202  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26203  				x := z_0
 26204  				y := z_1
 26205  				if !(z.Uses == 1) {
 26206  					continue
 26207  				}
 26208  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 26209  				v0.AddArg2(x, y)
 26210  				b.resetWithControl(block.BlockARM64LT, v0)
 26211  				return true
 26212  			}
 26213  			break
 26214  		}
 26215  		// match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 26216  		// cond: x.Uses == 1
 26217  		// result: (LT (TSTWconst [int32(c)] y) yes no)
 26218  		for b.Controls[0].Op == OpARM64CMPWconst {
 26219  			v_0 := b.Controls[0]
 26220  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26221  				break
 26222  			}
 26223  			x := v_0.Args[0]
 26224  			if x.Op != OpARM64ANDconst {
 26225  				break
 26226  			}
 26227  			c := auxIntToInt64(x.AuxInt)
 26228  			y := x.Args[0]
 26229  			if !(x.Uses == 1) {
 26230  				break
 26231  			}
 26232  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 26233  			v0.AuxInt = int32ToAuxInt(int32(c))
 26234  			v0.AddArg(y)
 26235  			b.resetWithControl(block.BlockARM64LT, v0)
 26236  			return true
 26237  		}
 26238  		// match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 26239  		// cond: x.Uses == 1
 26240  		// result: (LTnoov (CMNconst [c] y) yes no)
 26241  		for b.Controls[0].Op == OpARM64CMPconst {
 26242  			v_0 := b.Controls[0]
 26243  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26244  				break
 26245  			}
 26246  			x := v_0.Args[0]
 26247  			if x.Op != OpARM64ADDconst {
 26248  				break
 26249  			}
 26250  			c := auxIntToInt64(x.AuxInt)
 26251  			y := x.Args[0]
 26252  			if !(x.Uses == 1) {
 26253  				break
 26254  			}
 26255  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26256  			v0.AuxInt = int64ToAuxInt(c)
 26257  			v0.AddArg(y)
 26258  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26259  			return true
 26260  		}
 26261  		// match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26262  		// cond: x.Uses == 1
 26263  		// result: (LTnoov (CMNWconst [int32(c)] y) yes no)
 26264  		for b.Controls[0].Op == OpARM64CMPWconst {
 26265  			v_0 := b.Controls[0]
 26266  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26267  				break
 26268  			}
 26269  			x := v_0.Args[0]
 26270  			if x.Op != OpARM64ADDconst {
 26271  				break
 26272  			}
 26273  			c := auxIntToInt64(x.AuxInt)
 26274  			y := x.Args[0]
 26275  			if !(x.Uses == 1) {
 26276  				break
 26277  			}
 26278  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26279  			v0.AuxInt = int32ToAuxInt(int32(c))
 26280  			v0.AddArg(y)
 26281  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26282  			return true
 26283  		}
 26284  		// match: (LT (CMPconst [0] z:(ADD x y)) yes no)
 26285  		// cond: z.Uses == 1
 26286  		// result: (LTnoov (CMN x y) yes no)
 26287  		for b.Controls[0].Op == OpARM64CMPconst {
 26288  			v_0 := b.Controls[0]
 26289  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26290  				break
 26291  			}
 26292  			z := v_0.Args[0]
 26293  			if z.Op != OpARM64ADD {
 26294  				break
 26295  			}
 26296  			_ = z.Args[1]
 26297  			z_0 := z.Args[0]
 26298  			z_1 := z.Args[1]
 26299  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26300  				x := z_0
 26301  				y := z_1
 26302  				if !(z.Uses == 1) {
 26303  					continue
 26304  				}
 26305  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26306  				v0.AddArg2(x, y)
 26307  				b.resetWithControl(block.BlockARM64LTnoov, v0)
 26308  				return true
 26309  			}
 26310  			break
 26311  		}
 26312  		// match: (LT (CMPWconst [0] z:(ADD x y)) yes no)
 26313  		// cond: z.Uses == 1
 26314  		// result: (LTnoov (CMNW x y) yes no)
 26315  		for b.Controls[0].Op == OpARM64CMPWconst {
 26316  			v_0 := b.Controls[0]
 26317  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26318  				break
 26319  			}
 26320  			z := v_0.Args[0]
 26321  			if z.Op != OpARM64ADD {
 26322  				break
 26323  			}
 26324  			_ = z.Args[1]
 26325  			z_0 := z.Args[0]
 26326  			z_1 := z.Args[1]
 26327  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26328  				x := z_0
 26329  				y := z_1
 26330  				if !(z.Uses == 1) {
 26331  					continue
 26332  				}
 26333  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26334  				v0.AddArg2(x, y)
 26335  				b.resetWithControl(block.BlockARM64LTnoov, v0)
 26336  				return true
 26337  			}
 26338  			break
 26339  		}
 26340  		// match: (LT (CMPconst [0] z:(MADD a x y)) yes no)
 26341  		// cond: z.Uses==1
 26342  		// result: (LTnoov (CMN a (MUL <x.Type> x y)) yes no)
 26343  		for b.Controls[0].Op == OpARM64CMPconst {
 26344  			v_0 := b.Controls[0]
 26345  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26346  				break
 26347  			}
 26348  			z := v_0.Args[0]
 26349  			if z.Op != OpARM64MADD {
 26350  				break
 26351  			}
 26352  			y := z.Args[2]
 26353  			a := z.Args[0]
 26354  			x := z.Args[1]
 26355  			if !(z.Uses == 1) {
 26356  				break
 26357  			}
 26358  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26359  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26360  			v1.AddArg2(x, y)
 26361  			v0.AddArg2(a, v1)
 26362  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26363  			return true
 26364  		}
 26365  		// match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no)
 26366  		// cond: z.Uses==1
 26367  		// result: (LTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 26368  		for b.Controls[0].Op == OpARM64CMPWconst {
 26369  			v_0 := b.Controls[0]
 26370  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26371  				break
 26372  			}
 26373  			z := v_0.Args[0]
 26374  			if z.Op != OpARM64MADDW {
 26375  				break
 26376  			}
 26377  			y := z.Args[2]
 26378  			a := z.Args[0]
 26379  			x := z.Args[1]
 26380  			if !(z.Uses == 1) {
 26381  				break
 26382  			}
 26383  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26384  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26385  			v1.AddArg2(x, y)
 26386  			v0.AddArg2(a, v1)
 26387  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26388  			return true
 26389  		}
 26390  		// match: (LT (CMPWconst [0] x) yes no)
 26391  		// result: (TBNZ [31] x yes no)
 26392  		for b.Controls[0].Op == OpARM64CMPWconst {
 26393  			v_0 := b.Controls[0]
 26394  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26395  				break
 26396  			}
 26397  			x := v_0.Args[0]
 26398  			b.resetWithControl(block.BlockARM64TBNZ, x)
 26399  			b.AuxInt = int64ToAuxInt(31)
 26400  			return true
 26401  		}
 26402  		// match: (LT (CMPconst [0] x) yes no)
 26403  		// result: (TBNZ [63] x yes no)
 26404  		for b.Controls[0].Op == OpARM64CMPconst {
 26405  			v_0 := b.Controls[0]
 26406  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26407  				break
 26408  			}
 26409  			x := v_0.Args[0]
 26410  			b.resetWithControl(block.BlockARM64TBNZ, x)
 26411  			b.AuxInt = int64ToAuxInt(63)
 26412  			return true
 26413  		}
 26414  		// match: (LT (CMPWconst [128] x) yes no)
 26415  		// cond: ZeroUpper56Bits(x)
 26416  		// result: (TBZ [7] x yes no)
 26417  		for b.Controls[0].Op == OpARM64CMPWconst {
 26418  			v_0 := b.Controls[0]
 26419  			if auxIntToInt32(v_0.AuxInt) != 128 {
 26420  				break
 26421  			}
 26422  			x := v_0.Args[0]
 26423  			if !(ZeroUpper56Bits(x)) {
 26424  				break
 26425  			}
 26426  			b.resetWithControl(block.BlockARM64TBZ, x)
 26427  			b.AuxInt = int64ToAuxInt(7)
 26428  			return true
 26429  		}
 26430  		// match: (LT (CMPconst [128] x) yes no)
 26431  		// cond: ZeroUpper56Bits(x)
 26432  		// result: (TBZ [7] x yes no)
 26433  		for b.Controls[0].Op == OpARM64CMPconst {
 26434  			v_0 := b.Controls[0]
 26435  			if auxIntToInt64(v_0.AuxInt) != 128 {
 26436  				break
 26437  			}
 26438  			x := v_0.Args[0]
 26439  			if !(ZeroUpper56Bits(x)) {
 26440  				break
 26441  			}
 26442  			b.resetWithControl(block.BlockARM64TBZ, x)
 26443  			b.AuxInt = int64ToAuxInt(7)
 26444  			return true
 26445  		}
 26446  		// match: (LT (FlagConstant [fc]) yes no)
 26447  		// cond: fc.lt()
 26448  		// result: (First yes no)
 26449  		for b.Controls[0].Op == OpARM64FlagConstant {
 26450  			v_0 := b.Controls[0]
 26451  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26452  			if !(fc.lt()) {
 26453  				break
 26454  			}
 26455  			b.Reset(block.BlockFirst)
 26456  			return true
 26457  		}
 26458  		// match: (LT (FlagConstant [fc]) yes no)
 26459  		// cond: !fc.lt()
 26460  		// result: (First no yes)
 26461  		for b.Controls[0].Op == OpARM64FlagConstant {
 26462  			v_0 := b.Controls[0]
 26463  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26464  			if !(!fc.lt()) {
 26465  				break
 26466  			}
 26467  			b.Reset(block.BlockFirst)
 26468  			b.swapSuccessors()
 26469  			return true
 26470  		}
 26471  		// match: (LT (InvertFlags cmp) yes no)
 26472  		// result: (GT cmp yes no)
 26473  		for b.Controls[0].Op == OpARM64InvertFlags {
 26474  			v_0 := b.Controls[0]
 26475  			cmp := v_0.Args[0]
 26476  			b.resetWithControl(block.BlockARM64GT, cmp)
 26477  			return true
 26478  		}
 26479  	case block.BlockARM64LTnoov:
 26480  		// match: (LTnoov (FlagConstant [fc]) yes no)
 26481  		// cond: fc.ltNoov()
 26482  		// result: (First yes no)
 26483  		for b.Controls[0].Op == OpARM64FlagConstant {
 26484  			v_0 := b.Controls[0]
 26485  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26486  			if !(fc.ltNoov()) {
 26487  				break
 26488  			}
 26489  			b.Reset(block.BlockFirst)
 26490  			return true
 26491  		}
 26492  		// match: (LTnoov (FlagConstant [fc]) yes no)
 26493  		// cond: !fc.ltNoov()
 26494  		// result: (First no yes)
 26495  		for b.Controls[0].Op == OpARM64FlagConstant {
 26496  			v_0 := b.Controls[0]
 26497  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26498  			if !(!fc.ltNoov()) {
 26499  				break
 26500  			}
 26501  			b.Reset(block.BlockFirst)
 26502  			b.swapSuccessors()
 26503  			return true
 26504  		}
 26505  	case block.BlockARM64NE:
 26506  		// match: (NE (CMPconst [0] z:(AND x y)) yes no)
 26507  		// cond: z.Uses == 1
 26508  		// result: (NE (TST x y) yes no)
 26509  		for b.Controls[0].Op == OpARM64CMPconst {
 26510  			v_0 := b.Controls[0]
 26511  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26512  				break
 26513  			}
 26514  			z := v_0.Args[0]
 26515  			if z.Op != OpARM64AND {
 26516  				break
 26517  			}
 26518  			_ = z.Args[1]
 26519  			z_0 := z.Args[0]
 26520  			z_1 := z.Args[1]
 26521  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26522  				x := z_0
 26523  				y := z_1
 26524  				if !(z.Uses == 1) {
 26525  					continue
 26526  				}
 26527  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 26528  				v0.AddArg2(x, y)
 26529  				b.resetWithControl(block.BlockARM64NE, v0)
 26530  				return true
 26531  			}
 26532  			break
 26533  		}
 26534  		// match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 26535  		// cond: x.Uses == 1
 26536  		// result: (NE (TSTconst [c] y) yes no)
 26537  		for b.Controls[0].Op == OpARM64CMPconst {
 26538  			v_0 := b.Controls[0]
 26539  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26540  				break
 26541  			}
 26542  			x := v_0.Args[0]
 26543  			if x.Op != OpARM64ANDconst {
 26544  				break
 26545  			}
 26546  			c := auxIntToInt64(x.AuxInt)
 26547  			y := x.Args[0]
 26548  			if !(x.Uses == 1) {
 26549  				break
 26550  			}
 26551  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 26552  			v0.AuxInt = int64ToAuxInt(c)
 26553  			v0.AddArg(y)
 26554  			b.resetWithControl(block.BlockARM64NE, v0)
 26555  			return true
 26556  		}
 26557  		// match: (NE (CMPWconst [0] z:(AND x y)) yes no)
 26558  		// cond: z.Uses == 1
 26559  		// result: (NE (TSTW x y) yes no)
 26560  		for b.Controls[0].Op == OpARM64CMPWconst {
 26561  			v_0 := b.Controls[0]
 26562  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26563  				break
 26564  			}
 26565  			z := v_0.Args[0]
 26566  			if z.Op != OpARM64AND {
 26567  				break
 26568  			}
 26569  			_ = z.Args[1]
 26570  			z_0 := z.Args[0]
 26571  			z_1 := z.Args[1]
 26572  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26573  				x := z_0
 26574  				y := z_1
 26575  				if !(z.Uses == 1) {
 26576  					continue
 26577  				}
 26578  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 26579  				v0.AddArg2(x, y)
 26580  				b.resetWithControl(block.BlockARM64NE, v0)
 26581  				return true
 26582  			}
 26583  			break
 26584  		}
 26585  		// match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 26586  		// cond: x.Uses == 1
 26587  		// result: (NE (TSTWconst [int32(c)] y) yes no)
 26588  		for b.Controls[0].Op == OpARM64CMPWconst {
 26589  			v_0 := b.Controls[0]
 26590  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26591  				break
 26592  			}
 26593  			x := v_0.Args[0]
 26594  			if x.Op != OpARM64ANDconst {
 26595  				break
 26596  			}
 26597  			c := auxIntToInt64(x.AuxInt)
 26598  			y := x.Args[0]
 26599  			if !(x.Uses == 1) {
 26600  				break
 26601  			}
 26602  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 26603  			v0.AuxInt = int32ToAuxInt(int32(c))
 26604  			v0.AddArg(y)
 26605  			b.resetWithControl(block.BlockARM64NE, v0)
 26606  			return true
 26607  		}
 26608  		// match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 26609  		// cond: x.Uses == 1
 26610  		// result: (NE (CMNconst [c] y) yes no)
 26611  		for b.Controls[0].Op == OpARM64CMPconst {
 26612  			v_0 := b.Controls[0]
 26613  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26614  				break
 26615  			}
 26616  			x := v_0.Args[0]
 26617  			if x.Op != OpARM64ADDconst {
 26618  				break
 26619  			}
 26620  			c := auxIntToInt64(x.AuxInt)
 26621  			y := x.Args[0]
 26622  			if !(x.Uses == 1) {
 26623  				break
 26624  			}
 26625  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26626  			v0.AuxInt = int64ToAuxInt(c)
 26627  			v0.AddArg(y)
 26628  			b.resetWithControl(block.BlockARM64NE, v0)
 26629  			return true
 26630  		}
 26631  		// match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26632  		// cond: x.Uses == 1
 26633  		// result: (NE (CMNWconst [int32(c)] y) yes no)
 26634  		for b.Controls[0].Op == OpARM64CMPWconst {
 26635  			v_0 := b.Controls[0]
 26636  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26637  				break
 26638  			}
 26639  			x := v_0.Args[0]
 26640  			if x.Op != OpARM64ADDconst {
 26641  				break
 26642  			}
 26643  			c := auxIntToInt64(x.AuxInt)
 26644  			y := x.Args[0]
 26645  			if !(x.Uses == 1) {
 26646  				break
 26647  			}
 26648  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26649  			v0.AuxInt = int32ToAuxInt(int32(c))
 26650  			v0.AddArg(y)
 26651  			b.resetWithControl(block.BlockARM64NE, v0)
 26652  			return true
 26653  		}
 26654  		// match: (NE (CMPconst [0] z:(ADD x y)) yes no)
 26655  		// cond: z.Uses == 1
 26656  		// result: (NE (CMN x y) yes no)
 26657  		for b.Controls[0].Op == OpARM64CMPconst {
 26658  			v_0 := b.Controls[0]
 26659  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26660  				break
 26661  			}
 26662  			z := v_0.Args[0]
 26663  			if z.Op != OpARM64ADD {
 26664  				break
 26665  			}
 26666  			_ = z.Args[1]
 26667  			z_0 := z.Args[0]
 26668  			z_1 := z.Args[1]
 26669  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26670  				x := z_0
 26671  				y := z_1
 26672  				if !(z.Uses == 1) {
 26673  					continue
 26674  				}
 26675  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26676  				v0.AddArg2(x, y)
 26677  				b.resetWithControl(block.BlockARM64NE, v0)
 26678  				return true
 26679  			}
 26680  			break
 26681  		}
 26682  		// match: (NE (CMPWconst [0] z:(ADD x y)) yes no)
 26683  		// cond: z.Uses == 1
 26684  		// result: (NE (CMNW x y) yes no)
 26685  		for b.Controls[0].Op == OpARM64CMPWconst {
 26686  			v_0 := b.Controls[0]
 26687  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26688  				break
 26689  			}
 26690  			z := v_0.Args[0]
 26691  			if z.Op != OpARM64ADD {
 26692  				break
 26693  			}
 26694  			_ = z.Args[1]
 26695  			z_0 := z.Args[0]
 26696  			z_1 := z.Args[1]
 26697  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26698  				x := z_0
 26699  				y := z_1
 26700  				if !(z.Uses == 1) {
 26701  					continue
 26702  				}
 26703  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26704  				v0.AddArg2(x, y)
 26705  				b.resetWithControl(block.BlockARM64NE, v0)
 26706  				return true
 26707  			}
 26708  			break
 26709  		}
 26710  		// match: (NE (CMP x z:(NEG y)) yes no)
 26711  		// cond: z.Uses == 1
 26712  		// result: (NE (CMN x y) yes no)
 26713  		for b.Controls[0].Op == OpARM64CMP {
 26714  			v_0 := b.Controls[0]
 26715  			_ = v_0.Args[1]
 26716  			x := v_0.Args[0]
 26717  			z := v_0.Args[1]
 26718  			if z.Op != OpARM64NEG {
 26719  				break
 26720  			}
 26721  			y := z.Args[0]
 26722  			if !(z.Uses == 1) {
 26723  				break
 26724  			}
 26725  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26726  			v0.AddArg2(x, y)
 26727  			b.resetWithControl(block.BlockARM64NE, v0)
 26728  			return true
 26729  		}
 26730  		// match: (NE (CMPW x z:(NEG y)) yes no)
 26731  		// cond: z.Uses == 1
 26732  		// result: (NE (CMNW x y) yes no)
 26733  		for b.Controls[0].Op == OpARM64CMPW {
 26734  			v_0 := b.Controls[0]
 26735  			_ = v_0.Args[1]
 26736  			x := v_0.Args[0]
 26737  			z := v_0.Args[1]
 26738  			if z.Op != OpARM64NEG {
 26739  				break
 26740  			}
 26741  			y := z.Args[0]
 26742  			if !(z.Uses == 1) {
 26743  				break
 26744  			}
 26745  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26746  			v0.AddArg2(x, y)
 26747  			b.resetWithControl(block.BlockARM64NE, v0)
 26748  			return true
 26749  		}
 26750  		// match: (NE (CMPconst [0] x) yes no)
 26751  		// result: (NZ x yes no)
 26752  		for b.Controls[0].Op == OpARM64CMPconst {
 26753  			v_0 := b.Controls[0]
 26754  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26755  				break
 26756  			}
 26757  			x := v_0.Args[0]
 26758  			b.resetWithControl(block.BlockARM64NZ, x)
 26759  			return true
 26760  		}
 26761  		// match: (NE (CMPWconst [0] x) yes no)
 26762  		// result: (NZW x yes no)
 26763  		for b.Controls[0].Op == OpARM64CMPWconst {
 26764  			v_0 := b.Controls[0]
 26765  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26766  				break
 26767  			}
 26768  			x := v_0.Args[0]
 26769  			b.resetWithControl(block.BlockARM64NZW, x)
 26770  			return true
 26771  		}
 26772  		// match: (NE (CMPconst [0] z:(MADD a x y)) yes no)
 26773  		// cond: z.Uses==1
 26774  		// result: (NE (CMN a (MUL <x.Type> x y)) yes no)
 26775  		for b.Controls[0].Op == OpARM64CMPconst {
 26776  			v_0 := b.Controls[0]
 26777  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26778  				break
 26779  			}
 26780  			z := v_0.Args[0]
 26781  			if z.Op != OpARM64MADD {
 26782  				break
 26783  			}
 26784  			y := z.Args[2]
 26785  			a := z.Args[0]
 26786  			x := z.Args[1]
 26787  			if !(z.Uses == 1) {
 26788  				break
 26789  			}
 26790  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26791  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26792  			v1.AddArg2(x, y)
 26793  			v0.AddArg2(a, v1)
 26794  			b.resetWithControl(block.BlockARM64NE, v0)
 26795  			return true
 26796  		}
 26797  		// match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no)
 26798  		// cond: z.Uses==1
 26799  		// result: (NE (CMNW a (MULW <x.Type> x y)) yes no)
 26800  		for b.Controls[0].Op == OpARM64CMPWconst {
 26801  			v_0 := b.Controls[0]
 26802  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26803  				break
 26804  			}
 26805  			z := v_0.Args[0]
 26806  			if z.Op != OpARM64MADDW {
 26807  				break
 26808  			}
 26809  			y := z.Args[2]
 26810  			a := z.Args[0]
 26811  			x := z.Args[1]
 26812  			if !(z.Uses == 1) {
 26813  				break
 26814  			}
 26815  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26816  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26817  			v1.AddArg2(x, y)
 26818  			v0.AddArg2(a, v1)
 26819  			b.resetWithControl(block.BlockARM64NE, v0)
 26820  			return true
 26821  		}
 26822  		// match: (NE (CMPconst [0] z:(MSUB a x y)) yes no)
 26823  		// cond: z.Uses==1
 26824  		// result: (NE (CMP a (MUL <x.Type> x y)) yes no)
 26825  		for b.Controls[0].Op == OpARM64CMPconst {
 26826  			v_0 := b.Controls[0]
 26827  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26828  				break
 26829  			}
 26830  			z := v_0.Args[0]
 26831  			if z.Op != OpARM64MSUB {
 26832  				break
 26833  			}
 26834  			y := z.Args[2]
 26835  			a := z.Args[0]
 26836  			x := z.Args[1]
 26837  			if !(z.Uses == 1) {
 26838  				break
 26839  			}
 26840  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 26841  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26842  			v1.AddArg2(x, y)
 26843  			v0.AddArg2(a, v1)
 26844  			b.resetWithControl(block.BlockARM64NE, v0)
 26845  			return true
 26846  		}
 26847  		// match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 26848  		// cond: z.Uses==1
 26849  		// result: (NE (CMPW a (MULW <x.Type> x y)) yes no)
 26850  		for b.Controls[0].Op == OpARM64CMPWconst {
 26851  			v_0 := b.Controls[0]
 26852  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26853  				break
 26854  			}
 26855  			z := v_0.Args[0]
 26856  			if z.Op != OpARM64MSUBW {
 26857  				break
 26858  			}
 26859  			y := z.Args[2]
 26860  			a := z.Args[0]
 26861  			x := z.Args[1]
 26862  			if !(z.Uses == 1) {
 26863  				break
 26864  			}
 26865  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 26866  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26867  			v1.AddArg2(x, y)
 26868  			v0.AddArg2(a, v1)
 26869  			b.resetWithControl(block.BlockARM64NE, v0)
 26870  			return true
 26871  		}
 26872  		// match: (NE (TSTconst [c] x) yes no)
 26873  		// cond: oneBit(c)
 26874  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 26875  		for b.Controls[0].Op == OpARM64TSTconst {
 26876  			v_0 := b.Controls[0]
 26877  			c := auxIntToInt64(v_0.AuxInt)
 26878  			x := v_0.Args[0]
 26879  			if !(oneBit(c)) {
 26880  				break
 26881  			}
 26882  			b.resetWithControl(block.BlockARM64TBNZ, x)
 26883  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 26884  			return true
 26885  		}
 26886  		// match: (NE (TSTWconst [c] x) yes no)
 26887  		// cond: oneBit(int64(uint32(c)))
 26888  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26889  		for b.Controls[0].Op == OpARM64TSTWconst {
 26890  			v_0 := b.Controls[0]
 26891  			c := auxIntToInt32(v_0.AuxInt)
 26892  			x := v_0.Args[0]
 26893  			if !(oneBit(int64(uint32(c)))) {
 26894  				break
 26895  			}
 26896  			b.resetWithControl(block.BlockARM64TBNZ, x)
 26897  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26898  			return true
 26899  		}
 26900  		// match: (NE (FlagConstant [fc]) yes no)
 26901  		// cond: fc.ne()
 26902  		// result: (First yes no)
 26903  		for b.Controls[0].Op == OpARM64FlagConstant {
 26904  			v_0 := b.Controls[0]
 26905  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26906  			if !(fc.ne()) {
 26907  				break
 26908  			}
 26909  			b.Reset(block.BlockFirst)
 26910  			return true
 26911  		}
 26912  		// match: (NE (FlagConstant [fc]) yes no)
 26913  		// cond: !fc.ne()
 26914  		// result: (First no yes)
 26915  		for b.Controls[0].Op == OpARM64FlagConstant {
 26916  			v_0 := b.Controls[0]
 26917  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26918  			if !(!fc.ne()) {
 26919  				break
 26920  			}
 26921  			b.Reset(block.BlockFirst)
 26922  			b.swapSuccessors()
 26923  			return true
 26924  		}
 26925  		// match: (NE (InvertFlags cmp) yes no)
 26926  		// result: (NE cmp yes no)
 26927  		for b.Controls[0].Op == OpARM64InvertFlags {
 26928  			v_0 := b.Controls[0]
 26929  			cmp := v_0.Args[0]
 26930  			b.resetWithControl(block.BlockARM64NE, cmp)
 26931  			return true
 26932  		}
 26933  	case block.BlockARM64NZ:
 26934  		// match: (NZ (Equal cc) yes no)
 26935  		// result: (EQ cc yes no)
 26936  		for b.Controls[0].Op == OpARM64Equal {
 26937  			v_0 := b.Controls[0]
 26938  			cc := v_0.Args[0]
 26939  			b.resetWithControl(block.BlockARM64EQ, cc)
 26940  			return true
 26941  		}
 26942  		// match: (NZ (NotEqual cc) yes no)
 26943  		// result: (NE cc yes no)
 26944  		for b.Controls[0].Op == OpARM64NotEqual {
 26945  			v_0 := b.Controls[0]
 26946  			cc := v_0.Args[0]
 26947  			b.resetWithControl(block.BlockARM64NE, cc)
 26948  			return true
 26949  		}
 26950  		// match: (NZ (LessThan cc) yes no)
 26951  		// result: (LT cc yes no)
 26952  		for b.Controls[0].Op == OpARM64LessThan {
 26953  			v_0 := b.Controls[0]
 26954  			cc := v_0.Args[0]
 26955  			b.resetWithControl(block.BlockARM64LT, cc)
 26956  			return true
 26957  		}
 26958  		// match: (NZ (LessThanU cc) yes no)
 26959  		// result: (ULT cc yes no)
 26960  		for b.Controls[0].Op == OpARM64LessThanU {
 26961  			v_0 := b.Controls[0]
 26962  			cc := v_0.Args[0]
 26963  			b.resetWithControl(block.BlockARM64ULT, cc)
 26964  			return true
 26965  		}
 26966  		// match: (NZ (LessEqual cc) yes no)
 26967  		// result: (LE cc yes no)
 26968  		for b.Controls[0].Op == OpARM64LessEqual {
 26969  			v_0 := b.Controls[0]
 26970  			cc := v_0.Args[0]
 26971  			b.resetWithControl(block.BlockARM64LE, cc)
 26972  			return true
 26973  		}
 26974  		// match: (NZ (LessEqualU cc) yes no)
 26975  		// result: (ULE cc yes no)
 26976  		for b.Controls[0].Op == OpARM64LessEqualU {
 26977  			v_0 := b.Controls[0]
 26978  			cc := v_0.Args[0]
 26979  			b.resetWithControl(block.BlockARM64ULE, cc)
 26980  			return true
 26981  		}
 26982  		// match: (NZ (GreaterThan cc) yes no)
 26983  		// result: (GT cc yes no)
 26984  		for b.Controls[0].Op == OpARM64GreaterThan {
 26985  			v_0 := b.Controls[0]
 26986  			cc := v_0.Args[0]
 26987  			b.resetWithControl(block.BlockARM64GT, cc)
 26988  			return true
 26989  		}
 26990  		// match: (NZ (GreaterThanU cc) yes no)
 26991  		// result: (UGT cc yes no)
 26992  		for b.Controls[0].Op == OpARM64GreaterThanU {
 26993  			v_0 := b.Controls[0]
 26994  			cc := v_0.Args[0]
 26995  			b.resetWithControl(block.BlockARM64UGT, cc)
 26996  			return true
 26997  		}
 26998  		// match: (NZ (GreaterEqual cc) yes no)
 26999  		// result: (GE cc yes no)
 27000  		for b.Controls[0].Op == OpARM64GreaterEqual {
 27001  			v_0 := b.Controls[0]
 27002  			cc := v_0.Args[0]
 27003  			b.resetWithControl(block.BlockARM64GE, cc)
 27004  			return true
 27005  		}
 27006  		// match: (NZ (GreaterEqualU cc) yes no)
 27007  		// result: (UGE cc yes no)
 27008  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 27009  			v_0 := b.Controls[0]
 27010  			cc := v_0.Args[0]
 27011  			b.resetWithControl(block.BlockARM64UGE, cc)
 27012  			return true
 27013  		}
 27014  		// match: (NZ (LessThanF cc) yes no)
 27015  		// result: (FLT cc yes no)
 27016  		for b.Controls[0].Op == OpARM64LessThanF {
 27017  			v_0 := b.Controls[0]
 27018  			cc := v_0.Args[0]
 27019  			b.resetWithControl(block.BlockARM64FLT, cc)
 27020  			return true
 27021  		}
 27022  		// match: (NZ (LessEqualF cc) yes no)
 27023  		// result: (FLE cc yes no)
 27024  		for b.Controls[0].Op == OpARM64LessEqualF {
 27025  			v_0 := b.Controls[0]
 27026  			cc := v_0.Args[0]
 27027  			b.resetWithControl(block.BlockARM64FLE, cc)
 27028  			return true
 27029  		}
 27030  		// match: (NZ (GreaterThanF cc) yes no)
 27031  		// result: (FGT cc yes no)
 27032  		for b.Controls[0].Op == OpARM64GreaterThanF {
 27033  			v_0 := b.Controls[0]
 27034  			cc := v_0.Args[0]
 27035  			b.resetWithControl(block.BlockARM64FGT, cc)
 27036  			return true
 27037  		}
 27038  		// match: (NZ (GreaterEqualF cc) yes no)
 27039  		// result: (FGE cc yes no)
 27040  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 27041  			v_0 := b.Controls[0]
 27042  			cc := v_0.Args[0]
 27043  			b.resetWithControl(block.BlockARM64FGE, cc)
 27044  			return true
 27045  		}
 27046  		// match: (NZ sub:(SUB x y))
 27047  		// cond: sub.Uses == 1
 27048  		// result: (NE (CMP x y))
 27049  		for b.Controls[0].Op == OpARM64SUB {
 27050  			sub := b.Controls[0]
 27051  			y := sub.Args[1]
 27052  			x := sub.Args[0]
 27053  			if !(sub.Uses == 1) {
 27054  				break
 27055  			}
 27056  			v0 := b.NewValue0(sub.Pos, OpARM64CMP, types.TypeFlags)
 27057  			v0.AddArg2(x, y)
 27058  			b.resetWithControl(block.BlockARM64NE, v0)
 27059  			return true
 27060  		}
 27061  		// match: (NZ sub:(SUBconst [c] y))
 27062  		// cond: sub.Uses == 1
 27063  		// result: (NE (CMPconst [c] y))
 27064  		for b.Controls[0].Op == OpARM64SUBconst {
 27065  			sub := b.Controls[0]
 27066  			c := auxIntToInt64(sub.AuxInt)
 27067  			y := sub.Args[0]
 27068  			if !(sub.Uses == 1) {
 27069  				break
 27070  			}
 27071  			v0 := b.NewValue0(sub.Pos, OpARM64CMPconst, types.TypeFlags)
 27072  			v0.AuxInt = int64ToAuxInt(c)
 27073  			v0.AddArg(y)
 27074  			b.resetWithControl(block.BlockARM64NE, v0)
 27075  			return true
 27076  		}
 27077  		// match: (NZ (ANDconst [c] x) yes no)
 27078  		// cond: oneBit(c)
 27079  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 27080  		for b.Controls[0].Op == OpARM64ANDconst {
 27081  			v_0 := b.Controls[0]
 27082  			c := auxIntToInt64(v_0.AuxInt)
 27083  			x := v_0.Args[0]
 27084  			if !(oneBit(c)) {
 27085  				break
 27086  			}
 27087  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27088  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 27089  			return true
 27090  		}
 27091  		// match: (NZ s:(SRLconst [63] x) yes no)
 27092  		// cond: s.Uses == 1
 27093  		// result: (TBNZ [63] x yes no)
 27094  		for b.Controls[0].Op == OpARM64SRLconst {
 27095  			s := b.Controls[0]
 27096  			if auxIntToInt64(s.AuxInt) != 63 {
 27097  				break
 27098  			}
 27099  			x := s.Args[0]
 27100  			if !(s.Uses == 1) {
 27101  				break
 27102  			}
 27103  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27104  			b.AuxInt = int64ToAuxInt(63)
 27105  			return true
 27106  		}
 27107  		// match: (NZ s:(SRAconst [63] x) yes no)
 27108  		// cond: s.Uses == 1
 27109  		// result: (TBNZ [63] x yes no)
 27110  		for b.Controls[0].Op == OpARM64SRAconst {
 27111  			s := b.Controls[0]
 27112  			if auxIntToInt64(s.AuxInt) != 63 {
 27113  				break
 27114  			}
 27115  			x := s.Args[0]
 27116  			if !(s.Uses == 1) {
 27117  				break
 27118  			}
 27119  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27120  			b.AuxInt = int64ToAuxInt(63)
 27121  			return true
 27122  		}
 27123  		// match: (NZ (MOVDconst [0]) yes no)
 27124  		// result: (First no yes)
 27125  		for b.Controls[0].Op == OpARM64MOVDconst {
 27126  			v_0 := b.Controls[0]
 27127  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27128  				break
 27129  			}
 27130  			b.Reset(block.BlockFirst)
 27131  			b.swapSuccessors()
 27132  			return true
 27133  		}
 27134  		// match: (NZ (MOVDconst [c]) yes no)
 27135  		// cond: c != 0
 27136  		// result: (First yes no)
 27137  		for b.Controls[0].Op == OpARM64MOVDconst {
 27138  			v_0 := b.Controls[0]
 27139  			c := auxIntToInt64(v_0.AuxInt)
 27140  			if !(c != 0) {
 27141  				break
 27142  			}
 27143  			b.Reset(block.BlockFirst)
 27144  			return true
 27145  		}
 27146  	case block.BlockARM64NZW:
 27147  		// match: (NZW sub:(SUB x y))
 27148  		// cond: sub.Uses == 1
 27149  		// result: (NE (CMPW x y))
 27150  		for b.Controls[0].Op == OpARM64SUB {
 27151  			sub := b.Controls[0]
 27152  			y := sub.Args[1]
 27153  			x := sub.Args[0]
 27154  			if !(sub.Uses == 1) {
 27155  				break
 27156  			}
 27157  			v0 := b.NewValue0(sub.Pos, OpARM64CMPW, types.TypeFlags)
 27158  			v0.AddArg2(x, y)
 27159  			b.resetWithControl(block.BlockARM64NE, v0)
 27160  			return true
 27161  		}
 27162  		// match: (NZW sub:(SUBconst [c] y))
 27163  		// cond: sub.Uses == 1
 27164  		// result: (NE (CMPWconst [int32(c)] y))
 27165  		for b.Controls[0].Op == OpARM64SUBconst {
 27166  			sub := b.Controls[0]
 27167  			c := auxIntToInt64(sub.AuxInt)
 27168  			y := sub.Args[0]
 27169  			if !(sub.Uses == 1) {
 27170  				break
 27171  			}
 27172  			v0 := b.NewValue0(sub.Pos, OpARM64CMPWconst, types.TypeFlags)
 27173  			v0.AuxInt = int32ToAuxInt(int32(c))
 27174  			v0.AddArg(y)
 27175  			b.resetWithControl(block.BlockARM64NE, v0)
 27176  			return true
 27177  		}
 27178  		// match: (NZW (ANDconst [c] x) yes no)
 27179  		// cond: oneBit(int64(uint32(c)))
 27180  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 27181  		for b.Controls[0].Op == OpARM64ANDconst {
 27182  			v_0 := b.Controls[0]
 27183  			c := auxIntToInt64(v_0.AuxInt)
 27184  			x := v_0.Args[0]
 27185  			if !(oneBit(int64(uint32(c)))) {
 27186  				break
 27187  			}
 27188  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27189  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 27190  			return true
 27191  		}
 27192  		// match: (NZW (MOVDconst [c]) yes no)
 27193  		// cond: int32(c) == 0
 27194  		// result: (First no yes)
 27195  		for b.Controls[0].Op == OpARM64MOVDconst {
 27196  			v_0 := b.Controls[0]
 27197  			c := auxIntToInt64(v_0.AuxInt)
 27198  			if !(int32(c) == 0) {
 27199  				break
 27200  			}
 27201  			b.Reset(block.BlockFirst)
 27202  			b.swapSuccessors()
 27203  			return true
 27204  		}
 27205  		// match: (NZW (MOVDconst [c]) yes no)
 27206  		// cond: int32(c) != 0
 27207  		// result: (First yes no)
 27208  		for b.Controls[0].Op == OpARM64MOVDconst {
 27209  			v_0 := b.Controls[0]
 27210  			c := auxIntToInt64(v_0.AuxInt)
 27211  			if !(int32(c) != 0) {
 27212  				break
 27213  			}
 27214  			b.Reset(block.BlockFirst)
 27215  			return true
 27216  		}
 27217  	case block.BlockARM64TBNZ:
 27218  		// match: (TBNZ [0] (Equal cc) yes no)
 27219  		// result: (EQ cc yes no)
 27220  		for b.Controls[0].Op == OpARM64Equal {
 27221  			v_0 := b.Controls[0]
 27222  			cc := v_0.Args[0]
 27223  			if auxIntToInt64(b.AuxInt) != 0 {
 27224  				break
 27225  			}
 27226  			b.resetWithControl(block.BlockARM64EQ, cc)
 27227  			return true
 27228  		}
 27229  		// match: (TBNZ [0] (NotEqual cc) yes no)
 27230  		// result: (NE cc yes no)
 27231  		for b.Controls[0].Op == OpARM64NotEqual {
 27232  			v_0 := b.Controls[0]
 27233  			cc := v_0.Args[0]
 27234  			if auxIntToInt64(b.AuxInt) != 0 {
 27235  				break
 27236  			}
 27237  			b.resetWithControl(block.BlockARM64NE, cc)
 27238  			return true
 27239  		}
 27240  		// match: (TBNZ [0] (LessThan cc) yes no)
 27241  		// result: (LT cc yes no)
 27242  		for b.Controls[0].Op == OpARM64LessThan {
 27243  			v_0 := b.Controls[0]
 27244  			cc := v_0.Args[0]
 27245  			if auxIntToInt64(b.AuxInt) != 0 {
 27246  				break
 27247  			}
 27248  			b.resetWithControl(block.BlockARM64LT, cc)
 27249  			return true
 27250  		}
 27251  		// match: (TBNZ [0] (LessThanU cc) yes no)
 27252  		// result: (ULT cc yes no)
 27253  		for b.Controls[0].Op == OpARM64LessThanU {
 27254  			v_0 := b.Controls[0]
 27255  			cc := v_0.Args[0]
 27256  			if auxIntToInt64(b.AuxInt) != 0 {
 27257  				break
 27258  			}
 27259  			b.resetWithControl(block.BlockARM64ULT, cc)
 27260  			return true
 27261  		}
 27262  		// match: (TBNZ [0] (LessEqual cc) yes no)
 27263  		// result: (LE cc yes no)
 27264  		for b.Controls[0].Op == OpARM64LessEqual {
 27265  			v_0 := b.Controls[0]
 27266  			cc := v_0.Args[0]
 27267  			if auxIntToInt64(b.AuxInt) != 0 {
 27268  				break
 27269  			}
 27270  			b.resetWithControl(block.BlockARM64LE, cc)
 27271  			return true
 27272  		}
 27273  		// match: (TBNZ [0] (LessEqualU cc) yes no)
 27274  		// result: (ULE cc yes no)
 27275  		for b.Controls[0].Op == OpARM64LessEqualU {
 27276  			v_0 := b.Controls[0]
 27277  			cc := v_0.Args[0]
 27278  			if auxIntToInt64(b.AuxInt) != 0 {
 27279  				break
 27280  			}
 27281  			b.resetWithControl(block.BlockARM64ULE, cc)
 27282  			return true
 27283  		}
 27284  		// match: (TBNZ [0] (GreaterThan cc) yes no)
 27285  		// result: (GT cc yes no)
 27286  		for b.Controls[0].Op == OpARM64GreaterThan {
 27287  			v_0 := b.Controls[0]
 27288  			cc := v_0.Args[0]
 27289  			if auxIntToInt64(b.AuxInt) != 0 {
 27290  				break
 27291  			}
 27292  			b.resetWithControl(block.BlockARM64GT, cc)
 27293  			return true
 27294  		}
 27295  		// match: (TBNZ [0] (GreaterThanU cc) yes no)
 27296  		// result: (UGT cc yes no)
 27297  		for b.Controls[0].Op == OpARM64GreaterThanU {
 27298  			v_0 := b.Controls[0]
 27299  			cc := v_0.Args[0]
 27300  			if auxIntToInt64(b.AuxInt) != 0 {
 27301  				break
 27302  			}
 27303  			b.resetWithControl(block.BlockARM64UGT, cc)
 27304  			return true
 27305  		}
 27306  		// match: (TBNZ [0] (GreaterEqual cc) yes no)
 27307  		// result: (GE cc yes no)
 27308  		for b.Controls[0].Op == OpARM64GreaterEqual {
 27309  			v_0 := b.Controls[0]
 27310  			cc := v_0.Args[0]
 27311  			if auxIntToInt64(b.AuxInt) != 0 {
 27312  				break
 27313  			}
 27314  			b.resetWithControl(block.BlockARM64GE, cc)
 27315  			return true
 27316  		}
 27317  		// match: (TBNZ [0] (GreaterEqualU cc) yes no)
 27318  		// result: (UGE cc yes no)
 27319  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 27320  			v_0 := b.Controls[0]
 27321  			cc := v_0.Args[0]
 27322  			if auxIntToInt64(b.AuxInt) != 0 {
 27323  				break
 27324  			}
 27325  			b.resetWithControl(block.BlockARM64UGE, cc)
 27326  			return true
 27327  		}
 27328  		// match: (TBNZ [0] (LessThanF cc) yes no)
 27329  		// result: (FLT cc yes no)
 27330  		for b.Controls[0].Op == OpARM64LessThanF {
 27331  			v_0 := b.Controls[0]
 27332  			cc := v_0.Args[0]
 27333  			if auxIntToInt64(b.AuxInt) != 0 {
 27334  				break
 27335  			}
 27336  			b.resetWithControl(block.BlockARM64FLT, cc)
 27337  			return true
 27338  		}
 27339  		// match: (TBNZ [0] (LessEqualF cc) yes no)
 27340  		// result: (FLE cc yes no)
 27341  		for b.Controls[0].Op == OpARM64LessEqualF {
 27342  			v_0 := b.Controls[0]
 27343  			cc := v_0.Args[0]
 27344  			if auxIntToInt64(b.AuxInt) != 0 {
 27345  				break
 27346  			}
 27347  			b.resetWithControl(block.BlockARM64FLE, cc)
 27348  			return true
 27349  		}
 27350  		// match: (TBNZ [0] (GreaterThanF cc) yes no)
 27351  		// result: (FGT cc yes no)
 27352  		for b.Controls[0].Op == OpARM64GreaterThanF {
 27353  			v_0 := b.Controls[0]
 27354  			cc := v_0.Args[0]
 27355  			if auxIntToInt64(b.AuxInt) != 0 {
 27356  				break
 27357  			}
 27358  			b.resetWithControl(block.BlockARM64FGT, cc)
 27359  			return true
 27360  		}
 27361  		// match: (TBNZ [0] (GreaterEqualF cc) yes no)
 27362  		// result: (FGE cc yes no)
 27363  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 27364  			v_0 := b.Controls[0]
 27365  			cc := v_0.Args[0]
 27366  			if auxIntToInt64(b.AuxInt) != 0 {
 27367  				break
 27368  			}
 27369  			b.resetWithControl(block.BlockARM64FGE, cc)
 27370  			return true
 27371  		}
 27372  		// match: (TBNZ [0] (XORconst [1] x) yes no)
 27373  		// result: (TBZ [0] x yes no)
 27374  		for b.Controls[0].Op == OpARM64XORconst {
 27375  			v_0 := b.Controls[0]
 27376  			if auxIntToInt64(v_0.AuxInt) != 1 {
 27377  				break
 27378  			}
 27379  			x := v_0.Args[0]
 27380  			if auxIntToInt64(b.AuxInt) != 0 {
 27381  				break
 27382  			}
 27383  			b.resetWithControl(block.BlockARM64TBZ, x)
 27384  			b.AuxInt = int64ToAuxInt(0)
 27385  			return true
 27386  		}
 27387  		// match: (TBNZ [t] sv:(SRLconst [s] x) yes no)
 27388  		// cond: t+s < 64 && sv.Uses == 1
 27389  		// result: (TBNZ [t+s] x yes no )
 27390  		for b.Controls[0].Op == OpARM64SRLconst {
 27391  			sv := b.Controls[0]
 27392  			s := auxIntToInt64(sv.AuxInt)
 27393  			x := sv.Args[0]
 27394  			t := auxIntToInt64(b.AuxInt)
 27395  			if !(t+s < 64 && sv.Uses == 1) {
 27396  				break
 27397  			}
 27398  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27399  			b.AuxInt = int64ToAuxInt(t + s)
 27400  			return true
 27401  		}
 27402  		// match: (TBNZ [t] (SRLconst [s] x) yes no)
 27403  		// cond: t+s >= 64
 27404  		// result: (First no yes)
 27405  		for b.Controls[0].Op == OpARM64SRLconst {
 27406  			v_0 := b.Controls[0]
 27407  			s := auxIntToInt64(v_0.AuxInt)
 27408  			t := auxIntToInt64(b.AuxInt)
 27409  			if !(t+s >= 64) {
 27410  				break
 27411  			}
 27412  			b.Reset(block.BlockFirst)
 27413  			b.swapSuccessors()
 27414  			return true
 27415  		}
 27416  		// match: (TBNZ [t] sv:(SLLconst [s] x) yes no)
 27417  		// cond: t-s >= 0 && sv.Uses == 1
 27418  		// result: (TBNZ [t-s] x yes no )
 27419  		for b.Controls[0].Op == OpARM64SLLconst {
 27420  			sv := b.Controls[0]
 27421  			s := auxIntToInt64(sv.AuxInt)
 27422  			x := sv.Args[0]
 27423  			t := auxIntToInt64(b.AuxInt)
 27424  			if !(t-s >= 0 && sv.Uses == 1) {
 27425  				break
 27426  			}
 27427  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27428  			b.AuxInt = int64ToAuxInt(t - s)
 27429  			return true
 27430  		}
 27431  		// match: (TBNZ [t] (SLLconst [s] x) yes no)
 27432  		// cond: t-s < 0
 27433  		// result: (First no yes)
 27434  		for b.Controls[0].Op == OpARM64SLLconst {
 27435  			v_0 := b.Controls[0]
 27436  			s := auxIntToInt64(v_0.AuxInt)
 27437  			t := auxIntToInt64(b.AuxInt)
 27438  			if !(t-s < 0) {
 27439  				break
 27440  			}
 27441  			b.Reset(block.BlockFirst)
 27442  			b.swapSuccessors()
 27443  			return true
 27444  		}
 27445  		// match: (TBNZ [t] rv:(RORconst [r] x) yes no)
 27446  		// cond: rv.Uses == 1
 27447  		// result: (TBNZ [int64(uint64(t+r)%64)] x yes no)
 27448  		for b.Controls[0].Op == OpARM64RORconst {
 27449  			rv := b.Controls[0]
 27450  			r := auxIntToInt64(rv.AuxInt)
 27451  			x := rv.Args[0]
 27452  			t := auxIntToInt64(b.AuxInt)
 27453  			if !(rv.Uses == 1) {
 27454  				break
 27455  			}
 27456  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27457  			b.AuxInt = int64ToAuxInt(int64(uint64(t+r) % 64))
 27458  			return true
 27459  		}
 27460  		// match: (TBNZ [t] sv:(SRAconst [s] x) yes no)
 27461  		// cond: t+s < 64 && sv.Uses == 1
 27462  		// result: (TBNZ [t+s] x yes no)
 27463  		for b.Controls[0].Op == OpARM64SRAconst {
 27464  			sv := b.Controls[0]
 27465  			s := auxIntToInt64(sv.AuxInt)
 27466  			x := sv.Args[0]
 27467  			t := auxIntToInt64(b.AuxInt)
 27468  			if !(t+s < 64 && sv.Uses == 1) {
 27469  				break
 27470  			}
 27471  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27472  			b.AuxInt = int64ToAuxInt(t + s)
 27473  			return true
 27474  		}
 27475  		// match: (TBNZ [t] sv:(SRAconst [s] x) yes no)
 27476  		// cond: t+s >= 64 && sv.Uses == 1
 27477  		// result: (TBNZ [63 ] x yes no)
 27478  		for b.Controls[0].Op == OpARM64SRAconst {
 27479  			sv := b.Controls[0]
 27480  			s := auxIntToInt64(sv.AuxInt)
 27481  			x := sv.Args[0]
 27482  			t := auxIntToInt64(b.AuxInt)
 27483  			if !(t+s >= 64 && sv.Uses == 1) {
 27484  				break
 27485  			}
 27486  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27487  			b.AuxInt = int64ToAuxInt(63)
 27488  			return true
 27489  		}
 27490  	case block.BlockARM64TBZ:
 27491  		// match: (TBZ [0] (XORconst [1] x) yes no)
 27492  		// result: (TBNZ [0] x yes no)
 27493  		for b.Controls[0].Op == OpARM64XORconst {
 27494  			v_0 := b.Controls[0]
 27495  			if auxIntToInt64(v_0.AuxInt) != 1 {
 27496  				break
 27497  			}
 27498  			x := v_0.Args[0]
 27499  			if auxIntToInt64(b.AuxInt) != 0 {
 27500  				break
 27501  			}
 27502  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27503  			b.AuxInt = int64ToAuxInt(0)
 27504  			return true
 27505  		}
 27506  		// match: (TBZ [t] sv:(SRLconst [s] x) yes no)
 27507  		// cond: t+s < 64 && sv.Uses == 1
 27508  		// result: (TBZ [t+s] x yes no )
 27509  		for b.Controls[0].Op == OpARM64SRLconst {
 27510  			sv := b.Controls[0]
 27511  			s := auxIntToInt64(sv.AuxInt)
 27512  			x := sv.Args[0]
 27513  			t := auxIntToInt64(b.AuxInt)
 27514  			if !(t+s < 64 && sv.Uses == 1) {
 27515  				break
 27516  			}
 27517  			b.resetWithControl(block.BlockARM64TBZ, x)
 27518  			b.AuxInt = int64ToAuxInt(t + s)
 27519  			return true
 27520  		}
 27521  		// match: (TBZ [t] (SRLconst [s] x) yes no)
 27522  		// cond: t+s >= 64
 27523  		// result: (First yes no )
 27524  		for b.Controls[0].Op == OpARM64SRLconst {
 27525  			v_0 := b.Controls[0]
 27526  			s := auxIntToInt64(v_0.AuxInt)
 27527  			t := auxIntToInt64(b.AuxInt)
 27528  			if !(t+s >= 64) {
 27529  				break
 27530  			}
 27531  			b.Reset(block.BlockFirst)
 27532  			return true
 27533  		}
 27534  		// match: (TBZ [t] sv:(SLLconst [s] x) yes no)
 27535  		// cond: t-s >= 0 && sv.Uses == 1
 27536  		// result: (TBZ [t-s] x yes no )
 27537  		for b.Controls[0].Op == OpARM64SLLconst {
 27538  			sv := b.Controls[0]
 27539  			s := auxIntToInt64(sv.AuxInt)
 27540  			x := sv.Args[0]
 27541  			t := auxIntToInt64(b.AuxInt)
 27542  			if !(t-s >= 0 && sv.Uses == 1) {
 27543  				break
 27544  			}
 27545  			b.resetWithControl(block.BlockARM64TBZ, x)
 27546  			b.AuxInt = int64ToAuxInt(t - s)
 27547  			return true
 27548  		}
 27549  		// match: (TBZ [t] (SLLconst [s] x) yes no)
 27550  		// cond: t-s < 0
 27551  		// result: (First yes no )
 27552  		for b.Controls[0].Op == OpARM64SLLconst {
 27553  			v_0 := b.Controls[0]
 27554  			s := auxIntToInt64(v_0.AuxInt)
 27555  			t := auxIntToInt64(b.AuxInt)
 27556  			if !(t-s < 0) {
 27557  				break
 27558  			}
 27559  			b.Reset(block.BlockFirst)
 27560  			return true
 27561  		}
 27562  		// match: (TBZ [t] rv:(RORconst [r] x) yes no)
 27563  		// cond: rv.Uses == 1
 27564  		// result: (TBZ [int64(uint64(t+r)%64)] x yes no)
 27565  		for b.Controls[0].Op == OpARM64RORconst {
 27566  			rv := b.Controls[0]
 27567  			r := auxIntToInt64(rv.AuxInt)
 27568  			x := rv.Args[0]
 27569  			t := auxIntToInt64(b.AuxInt)
 27570  			if !(rv.Uses == 1) {
 27571  				break
 27572  			}
 27573  			b.resetWithControl(block.BlockARM64TBZ, x)
 27574  			b.AuxInt = int64ToAuxInt(int64(uint64(t+r) % 64))
 27575  			return true
 27576  		}
 27577  		// match: (TBZ [t] sv:(SRAconst [s] x) yes no)
 27578  		// cond: t+s < 64 && sv.Uses == 1
 27579  		// result: (TBZ [t+s] x yes no)
 27580  		for b.Controls[0].Op == OpARM64SRAconst {
 27581  			sv := b.Controls[0]
 27582  			s := auxIntToInt64(sv.AuxInt)
 27583  			x := sv.Args[0]
 27584  			t := auxIntToInt64(b.AuxInt)
 27585  			if !(t+s < 64 && sv.Uses == 1) {
 27586  				break
 27587  			}
 27588  			b.resetWithControl(block.BlockARM64TBZ, x)
 27589  			b.AuxInt = int64ToAuxInt(t + s)
 27590  			return true
 27591  		}
 27592  		// match: (TBZ [t] sv:(SRAconst [s] x) yes no)
 27593  		// cond: t+s >= 64 && sv.Uses == 1
 27594  		// result: (TBZ [63 ] x yes no)
 27595  		for b.Controls[0].Op == OpARM64SRAconst {
 27596  			sv := b.Controls[0]
 27597  			s := auxIntToInt64(sv.AuxInt)
 27598  			x := sv.Args[0]
 27599  			t := auxIntToInt64(b.AuxInt)
 27600  			if !(t+s >= 64 && sv.Uses == 1) {
 27601  				break
 27602  			}
 27603  			b.resetWithControl(block.BlockARM64TBZ, x)
 27604  			b.AuxInt = int64ToAuxInt(63)
 27605  			return true
 27606  		}
 27607  	case block.BlockARM64UGE:
 27608  		// match: (UGE (CMPWconst [128] x) yes no)
 27609  		// cond: ZeroUpper56Bits(x)
 27610  		// result: (TBNZ [7] x yes no)
 27611  		for b.Controls[0].Op == OpARM64CMPWconst {
 27612  			v_0 := b.Controls[0]
 27613  			if auxIntToInt32(v_0.AuxInt) != 128 {
 27614  				break
 27615  			}
 27616  			x := v_0.Args[0]
 27617  			if !(ZeroUpper56Bits(x)) {
 27618  				break
 27619  			}
 27620  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27621  			b.AuxInt = int64ToAuxInt(7)
 27622  			return true
 27623  		}
 27624  		// match: (UGE (CMPconst [128] x) yes no)
 27625  		// cond: ZeroUpper56Bits(x)
 27626  		// result: (TBNZ [7] x yes no)
 27627  		for b.Controls[0].Op == OpARM64CMPconst {
 27628  			v_0 := b.Controls[0]
 27629  			if auxIntToInt64(v_0.AuxInt) != 128 {
 27630  				break
 27631  			}
 27632  			x := v_0.Args[0]
 27633  			if !(ZeroUpper56Bits(x)) {
 27634  				break
 27635  			}
 27636  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27637  			b.AuxInt = int64ToAuxInt(7)
 27638  			return true
 27639  		}
 27640  		// match: (UGE (FlagConstant [fc]) yes no)
 27641  		// cond: fc.uge()
 27642  		// result: (First yes no)
 27643  		for b.Controls[0].Op == OpARM64FlagConstant {
 27644  			v_0 := b.Controls[0]
 27645  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27646  			if !(fc.uge()) {
 27647  				break
 27648  			}
 27649  			b.Reset(block.BlockFirst)
 27650  			return true
 27651  		}
 27652  		// match: (UGE (FlagConstant [fc]) yes no)
 27653  		// cond: !fc.uge()
 27654  		// result: (First no yes)
 27655  		for b.Controls[0].Op == OpARM64FlagConstant {
 27656  			v_0 := b.Controls[0]
 27657  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27658  			if !(!fc.uge()) {
 27659  				break
 27660  			}
 27661  			b.Reset(block.BlockFirst)
 27662  			b.swapSuccessors()
 27663  			return true
 27664  		}
 27665  		// match: (UGE (InvertFlags cmp) yes no)
 27666  		// result: (ULE cmp yes no)
 27667  		for b.Controls[0].Op == OpARM64InvertFlags {
 27668  			v_0 := b.Controls[0]
 27669  			cmp := v_0.Args[0]
 27670  			b.resetWithControl(block.BlockARM64ULE, cmp)
 27671  			return true
 27672  		}
 27673  	case block.BlockARM64UGT:
 27674  		// match: (UGT (CMPconst [0] x))
 27675  		// result: (NE (CMPconst [0] x))
 27676  		for b.Controls[0].Op == OpARM64CMPconst {
 27677  			v_0 := b.Controls[0]
 27678  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27679  				break
 27680  			}
 27681  			x := v_0.Args[0]
 27682  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPconst, types.TypeFlags)
 27683  			v0.AuxInt = int64ToAuxInt(0)
 27684  			v0.AddArg(x)
 27685  			b.resetWithControl(block.BlockARM64NE, v0)
 27686  			return true
 27687  		}
 27688  		// match: (UGT (CMPWconst [0] x))
 27689  		// result: (NE (CMPWconst [0] x))
 27690  		for b.Controls[0].Op == OpARM64CMPWconst {
 27691  			v_0 := b.Controls[0]
 27692  			if auxIntToInt32(v_0.AuxInt) != 0 {
 27693  				break
 27694  			}
 27695  			x := v_0.Args[0]
 27696  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPWconst, types.TypeFlags)
 27697  			v0.AuxInt = int32ToAuxInt(0)
 27698  			v0.AddArg(x)
 27699  			b.resetWithControl(block.BlockARM64NE, v0)
 27700  			return true
 27701  		}
 27702  		// match: (UGT (FlagConstant [fc]) yes no)
 27703  		// cond: fc.ugt()
 27704  		// result: (First yes no)
 27705  		for b.Controls[0].Op == OpARM64FlagConstant {
 27706  			v_0 := b.Controls[0]
 27707  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27708  			if !(fc.ugt()) {
 27709  				break
 27710  			}
 27711  			b.Reset(block.BlockFirst)
 27712  			return true
 27713  		}
 27714  		// match: (UGT (FlagConstant [fc]) yes no)
 27715  		// cond: !fc.ugt()
 27716  		// result: (First no yes)
 27717  		for b.Controls[0].Op == OpARM64FlagConstant {
 27718  			v_0 := b.Controls[0]
 27719  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27720  			if !(!fc.ugt()) {
 27721  				break
 27722  			}
 27723  			b.Reset(block.BlockFirst)
 27724  			b.swapSuccessors()
 27725  			return true
 27726  		}
 27727  		// match: (UGT (InvertFlags cmp) yes no)
 27728  		// result: (ULT cmp yes no)
 27729  		for b.Controls[0].Op == OpARM64InvertFlags {
 27730  			v_0 := b.Controls[0]
 27731  			cmp := v_0.Args[0]
 27732  			b.resetWithControl(block.BlockARM64ULT, cmp)
 27733  			return true
 27734  		}
 27735  	case block.BlockARM64ULE:
 27736  		// match: (ULE (CMPconst [0] x))
 27737  		// result: (EQ (CMPconst [0] x))
 27738  		for b.Controls[0].Op == OpARM64CMPconst {
 27739  			v_0 := b.Controls[0]
 27740  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27741  				break
 27742  			}
 27743  			x := v_0.Args[0]
 27744  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPconst, types.TypeFlags)
 27745  			v0.AuxInt = int64ToAuxInt(0)
 27746  			v0.AddArg(x)
 27747  			b.resetWithControl(block.BlockARM64EQ, v0)
 27748  			return true
 27749  		}
 27750  		// match: (ULE (CMPWconst [0] x))
 27751  		// result: (EQ (CMPWconst [0] x))
 27752  		for b.Controls[0].Op == OpARM64CMPWconst {
 27753  			v_0 := b.Controls[0]
 27754  			if auxIntToInt32(v_0.AuxInt) != 0 {
 27755  				break
 27756  			}
 27757  			x := v_0.Args[0]
 27758  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPWconst, types.TypeFlags)
 27759  			v0.AuxInt = int32ToAuxInt(0)
 27760  			v0.AddArg(x)
 27761  			b.resetWithControl(block.BlockARM64EQ, v0)
 27762  			return true
 27763  		}
 27764  		// match: (ULE (FlagConstant [fc]) yes no)
 27765  		// cond: fc.ule()
 27766  		// result: (First yes no)
 27767  		for b.Controls[0].Op == OpARM64FlagConstant {
 27768  			v_0 := b.Controls[0]
 27769  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27770  			if !(fc.ule()) {
 27771  				break
 27772  			}
 27773  			b.Reset(block.BlockFirst)
 27774  			return true
 27775  		}
 27776  		// match: (ULE (FlagConstant [fc]) yes no)
 27777  		// cond: !fc.ule()
 27778  		// result: (First no yes)
 27779  		for b.Controls[0].Op == OpARM64FlagConstant {
 27780  			v_0 := b.Controls[0]
 27781  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27782  			if !(!fc.ule()) {
 27783  				break
 27784  			}
 27785  			b.Reset(block.BlockFirst)
 27786  			b.swapSuccessors()
 27787  			return true
 27788  		}
 27789  		// match: (ULE (InvertFlags cmp) yes no)
 27790  		// result: (UGE cmp yes no)
 27791  		for b.Controls[0].Op == OpARM64InvertFlags {
 27792  			v_0 := b.Controls[0]
 27793  			cmp := v_0.Args[0]
 27794  			b.resetWithControl(block.BlockARM64UGE, cmp)
 27795  			return true
 27796  		}
 27797  	case block.BlockARM64ULT:
 27798  		// match: (ULT (CMPWconst [128] x) yes no)
 27799  		// cond: ZeroUpper56Bits(x)
 27800  		// result: (TBZ [7] x yes no)
 27801  		for b.Controls[0].Op == OpARM64CMPWconst {
 27802  			v_0 := b.Controls[0]
 27803  			if auxIntToInt32(v_0.AuxInt) != 128 {
 27804  				break
 27805  			}
 27806  			x := v_0.Args[0]
 27807  			if !(ZeroUpper56Bits(x)) {
 27808  				break
 27809  			}
 27810  			b.resetWithControl(block.BlockARM64TBZ, x)
 27811  			b.AuxInt = int64ToAuxInt(7)
 27812  			return true
 27813  		}
 27814  		// match: (ULT (CMPconst [128] x) yes no)
 27815  		// cond: ZeroUpper56Bits(x)
 27816  		// result: (TBZ [7] x yes no)
 27817  		for b.Controls[0].Op == OpARM64CMPconst {
 27818  			v_0 := b.Controls[0]
 27819  			if auxIntToInt64(v_0.AuxInt) != 128 {
 27820  				break
 27821  			}
 27822  			x := v_0.Args[0]
 27823  			if !(ZeroUpper56Bits(x)) {
 27824  				break
 27825  			}
 27826  			b.resetWithControl(block.BlockARM64TBZ, x)
 27827  			b.AuxInt = int64ToAuxInt(7)
 27828  			return true
 27829  		}
 27830  		// match: (ULT (FlagConstant [fc]) yes no)
 27831  		// cond: fc.ult()
 27832  		// result: (First yes no)
 27833  		for b.Controls[0].Op == OpARM64FlagConstant {
 27834  			v_0 := b.Controls[0]
 27835  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27836  			if !(fc.ult()) {
 27837  				break
 27838  			}
 27839  			b.Reset(block.BlockFirst)
 27840  			return true
 27841  		}
 27842  		// match: (ULT (FlagConstant [fc]) yes no)
 27843  		// cond: !fc.ult()
 27844  		// result: (First no yes)
 27845  		for b.Controls[0].Op == OpARM64FlagConstant {
 27846  			v_0 := b.Controls[0]
 27847  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27848  			if !(!fc.ult()) {
 27849  				break
 27850  			}
 27851  			b.Reset(block.BlockFirst)
 27852  			b.swapSuccessors()
 27853  			return true
 27854  		}
 27855  		// match: (ULT (InvertFlags cmp) yes no)
 27856  		// result: (UGT cmp yes no)
 27857  		for b.Controls[0].Op == OpARM64InvertFlags {
 27858  			v_0 := b.Controls[0]
 27859  			cmp := v_0.Args[0]
 27860  			b.resetWithControl(block.BlockARM64UGT, cmp)
 27861  			return true
 27862  		}
 27863  	case block.BlockARM64Z:
 27864  		// match: (Z sub:(SUB x y))
 27865  		// cond: sub.Uses == 1
 27866  		// result: (EQ (CMP x y))
 27867  		for b.Controls[0].Op == OpARM64SUB {
 27868  			sub := b.Controls[0]
 27869  			y := sub.Args[1]
 27870  			x := sub.Args[0]
 27871  			if !(sub.Uses == 1) {
 27872  				break
 27873  			}
 27874  			v0 := b.NewValue0(sub.Pos, OpARM64CMP, types.TypeFlags)
 27875  			v0.AddArg2(x, y)
 27876  			b.resetWithControl(block.BlockARM64EQ, v0)
 27877  			return true
 27878  		}
 27879  		// match: (Z sub:(SUBconst [c] y))
 27880  		// cond: sub.Uses == 1
 27881  		// result: (EQ (CMPconst [c] y))
 27882  		for b.Controls[0].Op == OpARM64SUBconst {
 27883  			sub := b.Controls[0]
 27884  			c := auxIntToInt64(sub.AuxInt)
 27885  			y := sub.Args[0]
 27886  			if !(sub.Uses == 1) {
 27887  				break
 27888  			}
 27889  			v0 := b.NewValue0(sub.Pos, OpARM64CMPconst, types.TypeFlags)
 27890  			v0.AuxInt = int64ToAuxInt(c)
 27891  			v0.AddArg(y)
 27892  			b.resetWithControl(block.BlockARM64EQ, v0)
 27893  			return true
 27894  		}
 27895  		// match: (Z (ANDconst [c] x) yes no)
 27896  		// cond: oneBit(c)
 27897  		// result: (TBZ [int64(ntz64(c))] x yes no)
 27898  		for b.Controls[0].Op == OpARM64ANDconst {
 27899  			v_0 := b.Controls[0]
 27900  			c := auxIntToInt64(v_0.AuxInt)
 27901  			x := v_0.Args[0]
 27902  			if !(oneBit(c)) {
 27903  				break
 27904  			}
 27905  			b.resetWithControl(block.BlockARM64TBZ, x)
 27906  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 27907  			return true
 27908  		}
 27909  		// match: (Z s:(SRLconst [63] x) yes no)
 27910  		// cond: s.Uses == 1
 27911  		// result: (TBZ [63] x yes no)
 27912  		for b.Controls[0].Op == OpARM64SRLconst {
 27913  			s := b.Controls[0]
 27914  			if auxIntToInt64(s.AuxInt) != 63 {
 27915  				break
 27916  			}
 27917  			x := s.Args[0]
 27918  			if !(s.Uses == 1) {
 27919  				break
 27920  			}
 27921  			b.resetWithControl(block.BlockARM64TBZ, x)
 27922  			b.AuxInt = int64ToAuxInt(63)
 27923  			return true
 27924  		}
 27925  		// match: (Z s:(SRAconst [63] x) yes no)
 27926  		// cond: s.Uses == 1
 27927  		// result: (TBZ [63] x yes no)
 27928  		for b.Controls[0].Op == OpARM64SRAconst {
 27929  			s := b.Controls[0]
 27930  			if auxIntToInt64(s.AuxInt) != 63 {
 27931  				break
 27932  			}
 27933  			x := s.Args[0]
 27934  			if !(s.Uses == 1) {
 27935  				break
 27936  			}
 27937  			b.resetWithControl(block.BlockARM64TBZ, x)
 27938  			b.AuxInt = int64ToAuxInt(63)
 27939  			return true
 27940  		}
 27941  		// match: (Z (MOVDconst [0]) yes no)
 27942  		// result: (First yes no)
 27943  		for b.Controls[0].Op == OpARM64MOVDconst {
 27944  			v_0 := b.Controls[0]
 27945  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27946  				break
 27947  			}
 27948  			b.Reset(block.BlockFirst)
 27949  			return true
 27950  		}
 27951  		// match: (Z (MOVDconst [c]) yes no)
 27952  		// cond: c != 0
 27953  		// result: (First no yes)
 27954  		for b.Controls[0].Op == OpARM64MOVDconst {
 27955  			v_0 := b.Controls[0]
 27956  			c := auxIntToInt64(v_0.AuxInt)
 27957  			if !(c != 0) {
 27958  				break
 27959  			}
 27960  			b.Reset(block.BlockFirst)
 27961  			b.swapSuccessors()
 27962  			return true
 27963  		}
 27964  	case block.BlockARM64ZW:
 27965  		// match: (ZW sub:(SUB x y))
 27966  		// cond: sub.Uses == 1
 27967  		// result: (EQ (CMPW x y))
 27968  		for b.Controls[0].Op == OpARM64SUB {
 27969  			sub := b.Controls[0]
 27970  			y := sub.Args[1]
 27971  			x := sub.Args[0]
 27972  			if !(sub.Uses == 1) {
 27973  				break
 27974  			}
 27975  			v0 := b.NewValue0(sub.Pos, OpARM64CMPW, types.TypeFlags)
 27976  			v0.AddArg2(x, y)
 27977  			b.resetWithControl(block.BlockARM64EQ, v0)
 27978  			return true
 27979  		}
 27980  		// match: (ZW sub:(SUBconst [c] y))
 27981  		// cond: sub.Uses == 1
 27982  		// result: (EQ (CMPWconst [int32(c)] y))
 27983  		for b.Controls[0].Op == OpARM64SUBconst {
 27984  			sub := b.Controls[0]
 27985  			c := auxIntToInt64(sub.AuxInt)
 27986  			y := sub.Args[0]
 27987  			if !(sub.Uses == 1) {
 27988  				break
 27989  			}
 27990  			v0 := b.NewValue0(sub.Pos, OpARM64CMPWconst, types.TypeFlags)
 27991  			v0.AuxInt = int32ToAuxInt(int32(c))
 27992  			v0.AddArg(y)
 27993  			b.resetWithControl(block.BlockARM64EQ, v0)
 27994  			return true
 27995  		}
 27996  		// match: (ZW (ANDconst [c] x) yes no)
 27997  		// cond: oneBit(int64(uint32(c)))
 27998  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 27999  		for b.Controls[0].Op == OpARM64ANDconst {
 28000  			v_0 := b.Controls[0]
 28001  			c := auxIntToInt64(v_0.AuxInt)
 28002  			x := v_0.Args[0]
 28003  			if !(oneBit(int64(uint32(c)))) {
 28004  				break
 28005  			}
 28006  			b.resetWithControl(block.BlockARM64TBZ, x)
 28007  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 28008  			return true
 28009  		}
 28010  		// match: (ZW (MOVDconst [c]) yes no)
 28011  		// cond: int32(c) == 0
 28012  		// result: (First yes no)
 28013  		for b.Controls[0].Op == OpARM64MOVDconst {
 28014  			v_0 := b.Controls[0]
 28015  			c := auxIntToInt64(v_0.AuxInt)
 28016  			if !(int32(c) == 0) {
 28017  				break
 28018  			}
 28019  			b.Reset(block.BlockFirst)
 28020  			return true
 28021  		}
 28022  		// match: (ZW (MOVDconst [c]) yes no)
 28023  		// cond: int32(c) != 0
 28024  		// result: (First no yes)
 28025  		for b.Controls[0].Op == OpARM64MOVDconst {
 28026  			v_0 := b.Controls[0]
 28027  			c := auxIntToInt64(v_0.AuxInt)
 28028  			if !(int32(c) != 0) {
 28029  				break
 28030  			}
 28031  			b.Reset(block.BlockFirst)
 28032  			b.swapSuccessors()
 28033  			return true
 28034  		}
 28035  	}
 28036  	return false
 28037  }
 28038  

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