github.com/freddyisaac/sicortex-golang@v0.0.0-20231019035217-e03519e66f60/src/cmd/compile/internal/ssa/rewriteS390X.go (about)

     1  // autogenerated from gen/S390X.rules: do not edit!
     2  // generated with: cd gen; go run *.go
     3  
     4  package ssa
     5  
     6  import "math"
     7  
     8  var _ = math.MinInt8 // in case not otherwise used
     9  func rewriteValueS390X(v *Value, config *Config) bool {
    10  	switch v.Op {
    11  	case OpAdd16:
    12  		return rewriteValueS390X_OpAdd16(v, config)
    13  	case OpAdd32:
    14  		return rewriteValueS390X_OpAdd32(v, config)
    15  	case OpAdd32F:
    16  		return rewriteValueS390X_OpAdd32F(v, config)
    17  	case OpAdd64:
    18  		return rewriteValueS390X_OpAdd64(v, config)
    19  	case OpAdd64F:
    20  		return rewriteValueS390X_OpAdd64F(v, config)
    21  	case OpAdd8:
    22  		return rewriteValueS390X_OpAdd8(v, config)
    23  	case OpAddPtr:
    24  		return rewriteValueS390X_OpAddPtr(v, config)
    25  	case OpAddr:
    26  		return rewriteValueS390X_OpAddr(v, config)
    27  	case OpAnd16:
    28  		return rewriteValueS390X_OpAnd16(v, config)
    29  	case OpAnd32:
    30  		return rewriteValueS390X_OpAnd32(v, config)
    31  	case OpAnd64:
    32  		return rewriteValueS390X_OpAnd64(v, config)
    33  	case OpAnd8:
    34  		return rewriteValueS390X_OpAnd8(v, config)
    35  	case OpAndB:
    36  		return rewriteValueS390X_OpAndB(v, config)
    37  	case OpAtomicAdd32:
    38  		return rewriteValueS390X_OpAtomicAdd32(v, config)
    39  	case OpAtomicAdd64:
    40  		return rewriteValueS390X_OpAtomicAdd64(v, config)
    41  	case OpAtomicCompareAndSwap32:
    42  		return rewriteValueS390X_OpAtomicCompareAndSwap32(v, config)
    43  	case OpAtomicCompareAndSwap64:
    44  		return rewriteValueS390X_OpAtomicCompareAndSwap64(v, config)
    45  	case OpAtomicExchange32:
    46  		return rewriteValueS390X_OpAtomicExchange32(v, config)
    47  	case OpAtomicExchange64:
    48  		return rewriteValueS390X_OpAtomicExchange64(v, config)
    49  	case OpAtomicLoad32:
    50  		return rewriteValueS390X_OpAtomicLoad32(v, config)
    51  	case OpAtomicLoad64:
    52  		return rewriteValueS390X_OpAtomicLoad64(v, config)
    53  	case OpAtomicLoadPtr:
    54  		return rewriteValueS390X_OpAtomicLoadPtr(v, config)
    55  	case OpAtomicStore32:
    56  		return rewriteValueS390X_OpAtomicStore32(v, config)
    57  	case OpAtomicStore64:
    58  		return rewriteValueS390X_OpAtomicStore64(v, config)
    59  	case OpAtomicStorePtrNoWB:
    60  		return rewriteValueS390X_OpAtomicStorePtrNoWB(v, config)
    61  	case OpAvg64u:
    62  		return rewriteValueS390X_OpAvg64u(v, config)
    63  	case OpBswap32:
    64  		return rewriteValueS390X_OpBswap32(v, config)
    65  	case OpBswap64:
    66  		return rewriteValueS390X_OpBswap64(v, config)
    67  	case OpClosureCall:
    68  		return rewriteValueS390X_OpClosureCall(v, config)
    69  	case OpCom16:
    70  		return rewriteValueS390X_OpCom16(v, config)
    71  	case OpCom32:
    72  		return rewriteValueS390X_OpCom32(v, config)
    73  	case OpCom64:
    74  		return rewriteValueS390X_OpCom64(v, config)
    75  	case OpCom8:
    76  		return rewriteValueS390X_OpCom8(v, config)
    77  	case OpConst16:
    78  		return rewriteValueS390X_OpConst16(v, config)
    79  	case OpConst32:
    80  		return rewriteValueS390X_OpConst32(v, config)
    81  	case OpConst32F:
    82  		return rewriteValueS390X_OpConst32F(v, config)
    83  	case OpConst64:
    84  		return rewriteValueS390X_OpConst64(v, config)
    85  	case OpConst64F:
    86  		return rewriteValueS390X_OpConst64F(v, config)
    87  	case OpConst8:
    88  		return rewriteValueS390X_OpConst8(v, config)
    89  	case OpConstBool:
    90  		return rewriteValueS390X_OpConstBool(v, config)
    91  	case OpConstNil:
    92  		return rewriteValueS390X_OpConstNil(v, config)
    93  	case OpConvert:
    94  		return rewriteValueS390X_OpConvert(v, config)
    95  	case OpCtz32:
    96  		return rewriteValueS390X_OpCtz32(v, config)
    97  	case OpCtz64:
    98  		return rewriteValueS390X_OpCtz64(v, config)
    99  	case OpCvt32Fto32:
   100  		return rewriteValueS390X_OpCvt32Fto32(v, config)
   101  	case OpCvt32Fto64:
   102  		return rewriteValueS390X_OpCvt32Fto64(v, config)
   103  	case OpCvt32Fto64F:
   104  		return rewriteValueS390X_OpCvt32Fto64F(v, config)
   105  	case OpCvt32to32F:
   106  		return rewriteValueS390X_OpCvt32to32F(v, config)
   107  	case OpCvt32to64F:
   108  		return rewriteValueS390X_OpCvt32to64F(v, config)
   109  	case OpCvt64Fto32:
   110  		return rewriteValueS390X_OpCvt64Fto32(v, config)
   111  	case OpCvt64Fto32F:
   112  		return rewriteValueS390X_OpCvt64Fto32F(v, config)
   113  	case OpCvt64Fto64:
   114  		return rewriteValueS390X_OpCvt64Fto64(v, config)
   115  	case OpCvt64to32F:
   116  		return rewriteValueS390X_OpCvt64to32F(v, config)
   117  	case OpCvt64to64F:
   118  		return rewriteValueS390X_OpCvt64to64F(v, config)
   119  	case OpDeferCall:
   120  		return rewriteValueS390X_OpDeferCall(v, config)
   121  	case OpDiv16:
   122  		return rewriteValueS390X_OpDiv16(v, config)
   123  	case OpDiv16u:
   124  		return rewriteValueS390X_OpDiv16u(v, config)
   125  	case OpDiv32:
   126  		return rewriteValueS390X_OpDiv32(v, config)
   127  	case OpDiv32F:
   128  		return rewriteValueS390X_OpDiv32F(v, config)
   129  	case OpDiv32u:
   130  		return rewriteValueS390X_OpDiv32u(v, config)
   131  	case OpDiv64:
   132  		return rewriteValueS390X_OpDiv64(v, config)
   133  	case OpDiv64F:
   134  		return rewriteValueS390X_OpDiv64F(v, config)
   135  	case OpDiv64u:
   136  		return rewriteValueS390X_OpDiv64u(v, config)
   137  	case OpDiv8:
   138  		return rewriteValueS390X_OpDiv8(v, config)
   139  	case OpDiv8u:
   140  		return rewriteValueS390X_OpDiv8u(v, config)
   141  	case OpEq16:
   142  		return rewriteValueS390X_OpEq16(v, config)
   143  	case OpEq32:
   144  		return rewriteValueS390X_OpEq32(v, config)
   145  	case OpEq32F:
   146  		return rewriteValueS390X_OpEq32F(v, config)
   147  	case OpEq64:
   148  		return rewriteValueS390X_OpEq64(v, config)
   149  	case OpEq64F:
   150  		return rewriteValueS390X_OpEq64F(v, config)
   151  	case OpEq8:
   152  		return rewriteValueS390X_OpEq8(v, config)
   153  	case OpEqB:
   154  		return rewriteValueS390X_OpEqB(v, config)
   155  	case OpEqPtr:
   156  		return rewriteValueS390X_OpEqPtr(v, config)
   157  	case OpGeq16:
   158  		return rewriteValueS390X_OpGeq16(v, config)
   159  	case OpGeq16U:
   160  		return rewriteValueS390X_OpGeq16U(v, config)
   161  	case OpGeq32:
   162  		return rewriteValueS390X_OpGeq32(v, config)
   163  	case OpGeq32F:
   164  		return rewriteValueS390X_OpGeq32F(v, config)
   165  	case OpGeq32U:
   166  		return rewriteValueS390X_OpGeq32U(v, config)
   167  	case OpGeq64:
   168  		return rewriteValueS390X_OpGeq64(v, config)
   169  	case OpGeq64F:
   170  		return rewriteValueS390X_OpGeq64F(v, config)
   171  	case OpGeq64U:
   172  		return rewriteValueS390X_OpGeq64U(v, config)
   173  	case OpGeq8:
   174  		return rewriteValueS390X_OpGeq8(v, config)
   175  	case OpGeq8U:
   176  		return rewriteValueS390X_OpGeq8U(v, config)
   177  	case OpGetClosurePtr:
   178  		return rewriteValueS390X_OpGetClosurePtr(v, config)
   179  	case OpGetG:
   180  		return rewriteValueS390X_OpGetG(v, config)
   181  	case OpGoCall:
   182  		return rewriteValueS390X_OpGoCall(v, config)
   183  	case OpGreater16:
   184  		return rewriteValueS390X_OpGreater16(v, config)
   185  	case OpGreater16U:
   186  		return rewriteValueS390X_OpGreater16U(v, config)
   187  	case OpGreater32:
   188  		return rewriteValueS390X_OpGreater32(v, config)
   189  	case OpGreater32F:
   190  		return rewriteValueS390X_OpGreater32F(v, config)
   191  	case OpGreater32U:
   192  		return rewriteValueS390X_OpGreater32U(v, config)
   193  	case OpGreater64:
   194  		return rewriteValueS390X_OpGreater64(v, config)
   195  	case OpGreater64F:
   196  		return rewriteValueS390X_OpGreater64F(v, config)
   197  	case OpGreater64U:
   198  		return rewriteValueS390X_OpGreater64U(v, config)
   199  	case OpGreater8:
   200  		return rewriteValueS390X_OpGreater8(v, config)
   201  	case OpGreater8U:
   202  		return rewriteValueS390X_OpGreater8U(v, config)
   203  	case OpHmul16:
   204  		return rewriteValueS390X_OpHmul16(v, config)
   205  	case OpHmul16u:
   206  		return rewriteValueS390X_OpHmul16u(v, config)
   207  	case OpHmul32:
   208  		return rewriteValueS390X_OpHmul32(v, config)
   209  	case OpHmul32u:
   210  		return rewriteValueS390X_OpHmul32u(v, config)
   211  	case OpHmul64:
   212  		return rewriteValueS390X_OpHmul64(v, config)
   213  	case OpHmul64u:
   214  		return rewriteValueS390X_OpHmul64u(v, config)
   215  	case OpHmul8:
   216  		return rewriteValueS390X_OpHmul8(v, config)
   217  	case OpHmul8u:
   218  		return rewriteValueS390X_OpHmul8u(v, config)
   219  	case OpITab:
   220  		return rewriteValueS390X_OpITab(v, config)
   221  	case OpInterCall:
   222  		return rewriteValueS390X_OpInterCall(v, config)
   223  	case OpIsInBounds:
   224  		return rewriteValueS390X_OpIsInBounds(v, config)
   225  	case OpIsNonNil:
   226  		return rewriteValueS390X_OpIsNonNil(v, config)
   227  	case OpIsSliceInBounds:
   228  		return rewriteValueS390X_OpIsSliceInBounds(v, config)
   229  	case OpLeq16:
   230  		return rewriteValueS390X_OpLeq16(v, config)
   231  	case OpLeq16U:
   232  		return rewriteValueS390X_OpLeq16U(v, config)
   233  	case OpLeq32:
   234  		return rewriteValueS390X_OpLeq32(v, config)
   235  	case OpLeq32F:
   236  		return rewriteValueS390X_OpLeq32F(v, config)
   237  	case OpLeq32U:
   238  		return rewriteValueS390X_OpLeq32U(v, config)
   239  	case OpLeq64:
   240  		return rewriteValueS390X_OpLeq64(v, config)
   241  	case OpLeq64F:
   242  		return rewriteValueS390X_OpLeq64F(v, config)
   243  	case OpLeq64U:
   244  		return rewriteValueS390X_OpLeq64U(v, config)
   245  	case OpLeq8:
   246  		return rewriteValueS390X_OpLeq8(v, config)
   247  	case OpLeq8U:
   248  		return rewriteValueS390X_OpLeq8U(v, config)
   249  	case OpLess16:
   250  		return rewriteValueS390X_OpLess16(v, config)
   251  	case OpLess16U:
   252  		return rewriteValueS390X_OpLess16U(v, config)
   253  	case OpLess32:
   254  		return rewriteValueS390X_OpLess32(v, config)
   255  	case OpLess32F:
   256  		return rewriteValueS390X_OpLess32F(v, config)
   257  	case OpLess32U:
   258  		return rewriteValueS390X_OpLess32U(v, config)
   259  	case OpLess64:
   260  		return rewriteValueS390X_OpLess64(v, config)
   261  	case OpLess64F:
   262  		return rewriteValueS390X_OpLess64F(v, config)
   263  	case OpLess64U:
   264  		return rewriteValueS390X_OpLess64U(v, config)
   265  	case OpLess8:
   266  		return rewriteValueS390X_OpLess8(v, config)
   267  	case OpLess8U:
   268  		return rewriteValueS390X_OpLess8U(v, config)
   269  	case OpLoad:
   270  		return rewriteValueS390X_OpLoad(v, config)
   271  	case OpLrot32:
   272  		return rewriteValueS390X_OpLrot32(v, config)
   273  	case OpLrot64:
   274  		return rewriteValueS390X_OpLrot64(v, config)
   275  	case OpLsh16x16:
   276  		return rewriteValueS390X_OpLsh16x16(v, config)
   277  	case OpLsh16x32:
   278  		return rewriteValueS390X_OpLsh16x32(v, config)
   279  	case OpLsh16x64:
   280  		return rewriteValueS390X_OpLsh16x64(v, config)
   281  	case OpLsh16x8:
   282  		return rewriteValueS390X_OpLsh16x8(v, config)
   283  	case OpLsh32x16:
   284  		return rewriteValueS390X_OpLsh32x16(v, config)
   285  	case OpLsh32x32:
   286  		return rewriteValueS390X_OpLsh32x32(v, config)
   287  	case OpLsh32x64:
   288  		return rewriteValueS390X_OpLsh32x64(v, config)
   289  	case OpLsh32x8:
   290  		return rewriteValueS390X_OpLsh32x8(v, config)
   291  	case OpLsh64x16:
   292  		return rewriteValueS390X_OpLsh64x16(v, config)
   293  	case OpLsh64x32:
   294  		return rewriteValueS390X_OpLsh64x32(v, config)
   295  	case OpLsh64x64:
   296  		return rewriteValueS390X_OpLsh64x64(v, config)
   297  	case OpLsh64x8:
   298  		return rewriteValueS390X_OpLsh64x8(v, config)
   299  	case OpLsh8x16:
   300  		return rewriteValueS390X_OpLsh8x16(v, config)
   301  	case OpLsh8x32:
   302  		return rewriteValueS390X_OpLsh8x32(v, config)
   303  	case OpLsh8x64:
   304  		return rewriteValueS390X_OpLsh8x64(v, config)
   305  	case OpLsh8x8:
   306  		return rewriteValueS390X_OpLsh8x8(v, config)
   307  	case OpMod16:
   308  		return rewriteValueS390X_OpMod16(v, config)
   309  	case OpMod16u:
   310  		return rewriteValueS390X_OpMod16u(v, config)
   311  	case OpMod32:
   312  		return rewriteValueS390X_OpMod32(v, config)
   313  	case OpMod32u:
   314  		return rewriteValueS390X_OpMod32u(v, config)
   315  	case OpMod64:
   316  		return rewriteValueS390X_OpMod64(v, config)
   317  	case OpMod64u:
   318  		return rewriteValueS390X_OpMod64u(v, config)
   319  	case OpMod8:
   320  		return rewriteValueS390X_OpMod8(v, config)
   321  	case OpMod8u:
   322  		return rewriteValueS390X_OpMod8u(v, config)
   323  	case OpMove:
   324  		return rewriteValueS390X_OpMove(v, config)
   325  	case OpMul16:
   326  		return rewriteValueS390X_OpMul16(v, config)
   327  	case OpMul32:
   328  		return rewriteValueS390X_OpMul32(v, config)
   329  	case OpMul32F:
   330  		return rewriteValueS390X_OpMul32F(v, config)
   331  	case OpMul64:
   332  		return rewriteValueS390X_OpMul64(v, config)
   333  	case OpMul64F:
   334  		return rewriteValueS390X_OpMul64F(v, config)
   335  	case OpMul8:
   336  		return rewriteValueS390X_OpMul8(v, config)
   337  	case OpNeg16:
   338  		return rewriteValueS390X_OpNeg16(v, config)
   339  	case OpNeg32:
   340  		return rewriteValueS390X_OpNeg32(v, config)
   341  	case OpNeg32F:
   342  		return rewriteValueS390X_OpNeg32F(v, config)
   343  	case OpNeg64:
   344  		return rewriteValueS390X_OpNeg64(v, config)
   345  	case OpNeg64F:
   346  		return rewriteValueS390X_OpNeg64F(v, config)
   347  	case OpNeg8:
   348  		return rewriteValueS390X_OpNeg8(v, config)
   349  	case OpNeq16:
   350  		return rewriteValueS390X_OpNeq16(v, config)
   351  	case OpNeq32:
   352  		return rewriteValueS390X_OpNeq32(v, config)
   353  	case OpNeq32F:
   354  		return rewriteValueS390X_OpNeq32F(v, config)
   355  	case OpNeq64:
   356  		return rewriteValueS390X_OpNeq64(v, config)
   357  	case OpNeq64F:
   358  		return rewriteValueS390X_OpNeq64F(v, config)
   359  	case OpNeq8:
   360  		return rewriteValueS390X_OpNeq8(v, config)
   361  	case OpNeqB:
   362  		return rewriteValueS390X_OpNeqB(v, config)
   363  	case OpNeqPtr:
   364  		return rewriteValueS390X_OpNeqPtr(v, config)
   365  	case OpNilCheck:
   366  		return rewriteValueS390X_OpNilCheck(v, config)
   367  	case OpNot:
   368  		return rewriteValueS390X_OpNot(v, config)
   369  	case OpOffPtr:
   370  		return rewriteValueS390X_OpOffPtr(v, config)
   371  	case OpOr16:
   372  		return rewriteValueS390X_OpOr16(v, config)
   373  	case OpOr32:
   374  		return rewriteValueS390X_OpOr32(v, config)
   375  	case OpOr64:
   376  		return rewriteValueS390X_OpOr64(v, config)
   377  	case OpOr8:
   378  		return rewriteValueS390X_OpOr8(v, config)
   379  	case OpOrB:
   380  		return rewriteValueS390X_OpOrB(v, config)
   381  	case OpRsh16Ux16:
   382  		return rewriteValueS390X_OpRsh16Ux16(v, config)
   383  	case OpRsh16Ux32:
   384  		return rewriteValueS390X_OpRsh16Ux32(v, config)
   385  	case OpRsh16Ux64:
   386  		return rewriteValueS390X_OpRsh16Ux64(v, config)
   387  	case OpRsh16Ux8:
   388  		return rewriteValueS390X_OpRsh16Ux8(v, config)
   389  	case OpRsh16x16:
   390  		return rewriteValueS390X_OpRsh16x16(v, config)
   391  	case OpRsh16x32:
   392  		return rewriteValueS390X_OpRsh16x32(v, config)
   393  	case OpRsh16x64:
   394  		return rewriteValueS390X_OpRsh16x64(v, config)
   395  	case OpRsh16x8:
   396  		return rewriteValueS390X_OpRsh16x8(v, config)
   397  	case OpRsh32Ux16:
   398  		return rewriteValueS390X_OpRsh32Ux16(v, config)
   399  	case OpRsh32Ux32:
   400  		return rewriteValueS390X_OpRsh32Ux32(v, config)
   401  	case OpRsh32Ux64:
   402  		return rewriteValueS390X_OpRsh32Ux64(v, config)
   403  	case OpRsh32Ux8:
   404  		return rewriteValueS390X_OpRsh32Ux8(v, config)
   405  	case OpRsh32x16:
   406  		return rewriteValueS390X_OpRsh32x16(v, config)
   407  	case OpRsh32x32:
   408  		return rewriteValueS390X_OpRsh32x32(v, config)
   409  	case OpRsh32x64:
   410  		return rewriteValueS390X_OpRsh32x64(v, config)
   411  	case OpRsh32x8:
   412  		return rewriteValueS390X_OpRsh32x8(v, config)
   413  	case OpRsh64Ux16:
   414  		return rewriteValueS390X_OpRsh64Ux16(v, config)
   415  	case OpRsh64Ux32:
   416  		return rewriteValueS390X_OpRsh64Ux32(v, config)
   417  	case OpRsh64Ux64:
   418  		return rewriteValueS390X_OpRsh64Ux64(v, config)
   419  	case OpRsh64Ux8:
   420  		return rewriteValueS390X_OpRsh64Ux8(v, config)
   421  	case OpRsh64x16:
   422  		return rewriteValueS390X_OpRsh64x16(v, config)
   423  	case OpRsh64x32:
   424  		return rewriteValueS390X_OpRsh64x32(v, config)
   425  	case OpRsh64x64:
   426  		return rewriteValueS390X_OpRsh64x64(v, config)
   427  	case OpRsh64x8:
   428  		return rewriteValueS390X_OpRsh64x8(v, config)
   429  	case OpRsh8Ux16:
   430  		return rewriteValueS390X_OpRsh8Ux16(v, config)
   431  	case OpRsh8Ux32:
   432  		return rewriteValueS390X_OpRsh8Ux32(v, config)
   433  	case OpRsh8Ux64:
   434  		return rewriteValueS390X_OpRsh8Ux64(v, config)
   435  	case OpRsh8Ux8:
   436  		return rewriteValueS390X_OpRsh8Ux8(v, config)
   437  	case OpRsh8x16:
   438  		return rewriteValueS390X_OpRsh8x16(v, config)
   439  	case OpRsh8x32:
   440  		return rewriteValueS390X_OpRsh8x32(v, config)
   441  	case OpRsh8x64:
   442  		return rewriteValueS390X_OpRsh8x64(v, config)
   443  	case OpRsh8x8:
   444  		return rewriteValueS390X_OpRsh8x8(v, config)
   445  	case OpS390XADD:
   446  		return rewriteValueS390X_OpS390XADD(v, config)
   447  	case OpS390XADDW:
   448  		return rewriteValueS390X_OpS390XADDW(v, config)
   449  	case OpS390XADDWconst:
   450  		return rewriteValueS390X_OpS390XADDWconst(v, config)
   451  	case OpS390XADDconst:
   452  		return rewriteValueS390X_OpS390XADDconst(v, config)
   453  	case OpS390XAND:
   454  		return rewriteValueS390X_OpS390XAND(v, config)
   455  	case OpS390XANDW:
   456  		return rewriteValueS390X_OpS390XANDW(v, config)
   457  	case OpS390XANDWconst:
   458  		return rewriteValueS390X_OpS390XANDWconst(v, config)
   459  	case OpS390XANDconst:
   460  		return rewriteValueS390X_OpS390XANDconst(v, config)
   461  	case OpS390XCMP:
   462  		return rewriteValueS390X_OpS390XCMP(v, config)
   463  	case OpS390XCMPU:
   464  		return rewriteValueS390X_OpS390XCMPU(v, config)
   465  	case OpS390XCMPUconst:
   466  		return rewriteValueS390X_OpS390XCMPUconst(v, config)
   467  	case OpS390XCMPW:
   468  		return rewriteValueS390X_OpS390XCMPW(v, config)
   469  	case OpS390XCMPWU:
   470  		return rewriteValueS390X_OpS390XCMPWU(v, config)
   471  	case OpS390XCMPWUconst:
   472  		return rewriteValueS390X_OpS390XCMPWUconst(v, config)
   473  	case OpS390XCMPWconst:
   474  		return rewriteValueS390X_OpS390XCMPWconst(v, config)
   475  	case OpS390XCMPconst:
   476  		return rewriteValueS390X_OpS390XCMPconst(v, config)
   477  	case OpS390XFMOVDload:
   478  		return rewriteValueS390X_OpS390XFMOVDload(v, config)
   479  	case OpS390XFMOVDloadidx:
   480  		return rewriteValueS390X_OpS390XFMOVDloadidx(v, config)
   481  	case OpS390XFMOVDstore:
   482  		return rewriteValueS390X_OpS390XFMOVDstore(v, config)
   483  	case OpS390XFMOVDstoreidx:
   484  		return rewriteValueS390X_OpS390XFMOVDstoreidx(v, config)
   485  	case OpS390XFMOVSload:
   486  		return rewriteValueS390X_OpS390XFMOVSload(v, config)
   487  	case OpS390XFMOVSloadidx:
   488  		return rewriteValueS390X_OpS390XFMOVSloadidx(v, config)
   489  	case OpS390XFMOVSstore:
   490  		return rewriteValueS390X_OpS390XFMOVSstore(v, config)
   491  	case OpS390XFMOVSstoreidx:
   492  		return rewriteValueS390X_OpS390XFMOVSstoreidx(v, config)
   493  	case OpS390XMOVBZload:
   494  		return rewriteValueS390X_OpS390XMOVBZload(v, config)
   495  	case OpS390XMOVBZloadidx:
   496  		return rewriteValueS390X_OpS390XMOVBZloadidx(v, config)
   497  	case OpS390XMOVBZreg:
   498  		return rewriteValueS390X_OpS390XMOVBZreg(v, config)
   499  	case OpS390XMOVBload:
   500  		return rewriteValueS390X_OpS390XMOVBload(v, config)
   501  	case OpS390XMOVBreg:
   502  		return rewriteValueS390X_OpS390XMOVBreg(v, config)
   503  	case OpS390XMOVBstore:
   504  		return rewriteValueS390X_OpS390XMOVBstore(v, config)
   505  	case OpS390XMOVBstoreconst:
   506  		return rewriteValueS390X_OpS390XMOVBstoreconst(v, config)
   507  	case OpS390XMOVBstoreidx:
   508  		return rewriteValueS390X_OpS390XMOVBstoreidx(v, config)
   509  	case OpS390XMOVDEQ:
   510  		return rewriteValueS390X_OpS390XMOVDEQ(v, config)
   511  	case OpS390XMOVDGE:
   512  		return rewriteValueS390X_OpS390XMOVDGE(v, config)
   513  	case OpS390XMOVDGT:
   514  		return rewriteValueS390X_OpS390XMOVDGT(v, config)
   515  	case OpS390XMOVDLE:
   516  		return rewriteValueS390X_OpS390XMOVDLE(v, config)
   517  	case OpS390XMOVDLT:
   518  		return rewriteValueS390X_OpS390XMOVDLT(v, config)
   519  	case OpS390XMOVDNE:
   520  		return rewriteValueS390X_OpS390XMOVDNE(v, config)
   521  	case OpS390XMOVDaddridx:
   522  		return rewriteValueS390X_OpS390XMOVDaddridx(v, config)
   523  	case OpS390XMOVDload:
   524  		return rewriteValueS390X_OpS390XMOVDload(v, config)
   525  	case OpS390XMOVDloadidx:
   526  		return rewriteValueS390X_OpS390XMOVDloadidx(v, config)
   527  	case OpS390XMOVDnop:
   528  		return rewriteValueS390X_OpS390XMOVDnop(v, config)
   529  	case OpS390XMOVDreg:
   530  		return rewriteValueS390X_OpS390XMOVDreg(v, config)
   531  	case OpS390XMOVDstore:
   532  		return rewriteValueS390X_OpS390XMOVDstore(v, config)
   533  	case OpS390XMOVDstoreconst:
   534  		return rewriteValueS390X_OpS390XMOVDstoreconst(v, config)
   535  	case OpS390XMOVDstoreidx:
   536  		return rewriteValueS390X_OpS390XMOVDstoreidx(v, config)
   537  	case OpS390XMOVHBRstore:
   538  		return rewriteValueS390X_OpS390XMOVHBRstore(v, config)
   539  	case OpS390XMOVHBRstoreidx:
   540  		return rewriteValueS390X_OpS390XMOVHBRstoreidx(v, config)
   541  	case OpS390XMOVHZload:
   542  		return rewriteValueS390X_OpS390XMOVHZload(v, config)
   543  	case OpS390XMOVHZloadidx:
   544  		return rewriteValueS390X_OpS390XMOVHZloadidx(v, config)
   545  	case OpS390XMOVHZreg:
   546  		return rewriteValueS390X_OpS390XMOVHZreg(v, config)
   547  	case OpS390XMOVHload:
   548  		return rewriteValueS390X_OpS390XMOVHload(v, config)
   549  	case OpS390XMOVHreg:
   550  		return rewriteValueS390X_OpS390XMOVHreg(v, config)
   551  	case OpS390XMOVHstore:
   552  		return rewriteValueS390X_OpS390XMOVHstore(v, config)
   553  	case OpS390XMOVHstoreconst:
   554  		return rewriteValueS390X_OpS390XMOVHstoreconst(v, config)
   555  	case OpS390XMOVHstoreidx:
   556  		return rewriteValueS390X_OpS390XMOVHstoreidx(v, config)
   557  	case OpS390XMOVWBRstore:
   558  		return rewriteValueS390X_OpS390XMOVWBRstore(v, config)
   559  	case OpS390XMOVWBRstoreidx:
   560  		return rewriteValueS390X_OpS390XMOVWBRstoreidx(v, config)
   561  	case OpS390XMOVWZload:
   562  		return rewriteValueS390X_OpS390XMOVWZload(v, config)
   563  	case OpS390XMOVWZloadidx:
   564  		return rewriteValueS390X_OpS390XMOVWZloadidx(v, config)
   565  	case OpS390XMOVWZreg:
   566  		return rewriteValueS390X_OpS390XMOVWZreg(v, config)
   567  	case OpS390XMOVWload:
   568  		return rewriteValueS390X_OpS390XMOVWload(v, config)
   569  	case OpS390XMOVWreg:
   570  		return rewriteValueS390X_OpS390XMOVWreg(v, config)
   571  	case OpS390XMOVWstore:
   572  		return rewriteValueS390X_OpS390XMOVWstore(v, config)
   573  	case OpS390XMOVWstoreconst:
   574  		return rewriteValueS390X_OpS390XMOVWstoreconst(v, config)
   575  	case OpS390XMOVWstoreidx:
   576  		return rewriteValueS390X_OpS390XMOVWstoreidx(v, config)
   577  	case OpS390XMULLD:
   578  		return rewriteValueS390X_OpS390XMULLD(v, config)
   579  	case OpS390XMULLDconst:
   580  		return rewriteValueS390X_OpS390XMULLDconst(v, config)
   581  	case OpS390XMULLW:
   582  		return rewriteValueS390X_OpS390XMULLW(v, config)
   583  	case OpS390XMULLWconst:
   584  		return rewriteValueS390X_OpS390XMULLWconst(v, config)
   585  	case OpS390XNEG:
   586  		return rewriteValueS390X_OpS390XNEG(v, config)
   587  	case OpS390XNEGW:
   588  		return rewriteValueS390X_OpS390XNEGW(v, config)
   589  	case OpS390XNOT:
   590  		return rewriteValueS390X_OpS390XNOT(v, config)
   591  	case OpS390XNOTW:
   592  		return rewriteValueS390X_OpS390XNOTW(v, config)
   593  	case OpS390XOR:
   594  		return rewriteValueS390X_OpS390XOR(v, config)
   595  	case OpS390XORW:
   596  		return rewriteValueS390X_OpS390XORW(v, config)
   597  	case OpS390XORWconst:
   598  		return rewriteValueS390X_OpS390XORWconst(v, config)
   599  	case OpS390XORconst:
   600  		return rewriteValueS390X_OpS390XORconst(v, config)
   601  	case OpS390XSLD:
   602  		return rewriteValueS390X_OpS390XSLD(v, config)
   603  	case OpS390XSLW:
   604  		return rewriteValueS390X_OpS390XSLW(v, config)
   605  	case OpS390XSRAD:
   606  		return rewriteValueS390X_OpS390XSRAD(v, config)
   607  	case OpS390XSRADconst:
   608  		return rewriteValueS390X_OpS390XSRADconst(v, config)
   609  	case OpS390XSRAW:
   610  		return rewriteValueS390X_OpS390XSRAW(v, config)
   611  	case OpS390XSRAWconst:
   612  		return rewriteValueS390X_OpS390XSRAWconst(v, config)
   613  	case OpS390XSRD:
   614  		return rewriteValueS390X_OpS390XSRD(v, config)
   615  	case OpS390XSRW:
   616  		return rewriteValueS390X_OpS390XSRW(v, config)
   617  	case OpS390XSTM2:
   618  		return rewriteValueS390X_OpS390XSTM2(v, config)
   619  	case OpS390XSTMG2:
   620  		return rewriteValueS390X_OpS390XSTMG2(v, config)
   621  	case OpS390XSUB:
   622  		return rewriteValueS390X_OpS390XSUB(v, config)
   623  	case OpS390XSUBEWcarrymask:
   624  		return rewriteValueS390X_OpS390XSUBEWcarrymask(v, config)
   625  	case OpS390XSUBEcarrymask:
   626  		return rewriteValueS390X_OpS390XSUBEcarrymask(v, config)
   627  	case OpS390XSUBW:
   628  		return rewriteValueS390X_OpS390XSUBW(v, config)
   629  	case OpS390XSUBWconst:
   630  		return rewriteValueS390X_OpS390XSUBWconst(v, config)
   631  	case OpS390XSUBconst:
   632  		return rewriteValueS390X_OpS390XSUBconst(v, config)
   633  	case OpS390XXOR:
   634  		return rewriteValueS390X_OpS390XXOR(v, config)
   635  	case OpS390XXORW:
   636  		return rewriteValueS390X_OpS390XXORW(v, config)
   637  	case OpS390XXORWconst:
   638  		return rewriteValueS390X_OpS390XXORWconst(v, config)
   639  	case OpS390XXORconst:
   640  		return rewriteValueS390X_OpS390XXORconst(v, config)
   641  	case OpSelect0:
   642  		return rewriteValueS390X_OpSelect0(v, config)
   643  	case OpSelect1:
   644  		return rewriteValueS390X_OpSelect1(v, config)
   645  	case OpSignExt16to32:
   646  		return rewriteValueS390X_OpSignExt16to32(v, config)
   647  	case OpSignExt16to64:
   648  		return rewriteValueS390X_OpSignExt16to64(v, config)
   649  	case OpSignExt32to64:
   650  		return rewriteValueS390X_OpSignExt32to64(v, config)
   651  	case OpSignExt8to16:
   652  		return rewriteValueS390X_OpSignExt8to16(v, config)
   653  	case OpSignExt8to32:
   654  		return rewriteValueS390X_OpSignExt8to32(v, config)
   655  	case OpSignExt8to64:
   656  		return rewriteValueS390X_OpSignExt8to64(v, config)
   657  	case OpSlicemask:
   658  		return rewriteValueS390X_OpSlicemask(v, config)
   659  	case OpSqrt:
   660  		return rewriteValueS390X_OpSqrt(v, config)
   661  	case OpStaticCall:
   662  		return rewriteValueS390X_OpStaticCall(v, config)
   663  	case OpStore:
   664  		return rewriteValueS390X_OpStore(v, config)
   665  	case OpSub16:
   666  		return rewriteValueS390X_OpSub16(v, config)
   667  	case OpSub32:
   668  		return rewriteValueS390X_OpSub32(v, config)
   669  	case OpSub32F:
   670  		return rewriteValueS390X_OpSub32F(v, config)
   671  	case OpSub64:
   672  		return rewriteValueS390X_OpSub64(v, config)
   673  	case OpSub64F:
   674  		return rewriteValueS390X_OpSub64F(v, config)
   675  	case OpSub8:
   676  		return rewriteValueS390X_OpSub8(v, config)
   677  	case OpSubPtr:
   678  		return rewriteValueS390X_OpSubPtr(v, config)
   679  	case OpTrunc16to8:
   680  		return rewriteValueS390X_OpTrunc16to8(v, config)
   681  	case OpTrunc32to16:
   682  		return rewriteValueS390X_OpTrunc32to16(v, config)
   683  	case OpTrunc32to8:
   684  		return rewriteValueS390X_OpTrunc32to8(v, config)
   685  	case OpTrunc64to16:
   686  		return rewriteValueS390X_OpTrunc64to16(v, config)
   687  	case OpTrunc64to32:
   688  		return rewriteValueS390X_OpTrunc64to32(v, config)
   689  	case OpTrunc64to8:
   690  		return rewriteValueS390X_OpTrunc64to8(v, config)
   691  	case OpXor16:
   692  		return rewriteValueS390X_OpXor16(v, config)
   693  	case OpXor32:
   694  		return rewriteValueS390X_OpXor32(v, config)
   695  	case OpXor64:
   696  		return rewriteValueS390X_OpXor64(v, config)
   697  	case OpXor8:
   698  		return rewriteValueS390X_OpXor8(v, config)
   699  	case OpZero:
   700  		return rewriteValueS390X_OpZero(v, config)
   701  	case OpZeroExt16to32:
   702  		return rewriteValueS390X_OpZeroExt16to32(v, config)
   703  	case OpZeroExt16to64:
   704  		return rewriteValueS390X_OpZeroExt16to64(v, config)
   705  	case OpZeroExt32to64:
   706  		return rewriteValueS390X_OpZeroExt32to64(v, config)
   707  	case OpZeroExt8to16:
   708  		return rewriteValueS390X_OpZeroExt8to16(v, config)
   709  	case OpZeroExt8to32:
   710  		return rewriteValueS390X_OpZeroExt8to32(v, config)
   711  	case OpZeroExt8to64:
   712  		return rewriteValueS390X_OpZeroExt8to64(v, config)
   713  	}
   714  	return false
   715  }
   716  func rewriteValueS390X_OpAdd16(v *Value, config *Config) bool {
   717  	b := v.Block
   718  	_ = b
   719  	// match: (Add16  x y)
   720  	// cond:
   721  	// result: (ADDW  x y)
   722  	for {
   723  		x := v.Args[0]
   724  		y := v.Args[1]
   725  		v.reset(OpS390XADDW)
   726  		v.AddArg(x)
   727  		v.AddArg(y)
   728  		return true
   729  	}
   730  }
   731  func rewriteValueS390X_OpAdd32(v *Value, config *Config) bool {
   732  	b := v.Block
   733  	_ = b
   734  	// match: (Add32  x y)
   735  	// cond:
   736  	// result: (ADDW  x y)
   737  	for {
   738  		x := v.Args[0]
   739  		y := v.Args[1]
   740  		v.reset(OpS390XADDW)
   741  		v.AddArg(x)
   742  		v.AddArg(y)
   743  		return true
   744  	}
   745  }
   746  func rewriteValueS390X_OpAdd32F(v *Value, config *Config) bool {
   747  	b := v.Block
   748  	_ = b
   749  	// match: (Add32F x y)
   750  	// cond:
   751  	// result: (FADDS x y)
   752  	for {
   753  		x := v.Args[0]
   754  		y := v.Args[1]
   755  		v.reset(OpS390XFADDS)
   756  		v.AddArg(x)
   757  		v.AddArg(y)
   758  		return true
   759  	}
   760  }
   761  func rewriteValueS390X_OpAdd64(v *Value, config *Config) bool {
   762  	b := v.Block
   763  	_ = b
   764  	// match: (Add64  x y)
   765  	// cond:
   766  	// result: (ADD  x y)
   767  	for {
   768  		x := v.Args[0]
   769  		y := v.Args[1]
   770  		v.reset(OpS390XADD)
   771  		v.AddArg(x)
   772  		v.AddArg(y)
   773  		return true
   774  	}
   775  }
   776  func rewriteValueS390X_OpAdd64F(v *Value, config *Config) bool {
   777  	b := v.Block
   778  	_ = b
   779  	// match: (Add64F x y)
   780  	// cond:
   781  	// result: (FADD x y)
   782  	for {
   783  		x := v.Args[0]
   784  		y := v.Args[1]
   785  		v.reset(OpS390XFADD)
   786  		v.AddArg(x)
   787  		v.AddArg(y)
   788  		return true
   789  	}
   790  }
   791  func rewriteValueS390X_OpAdd8(v *Value, config *Config) bool {
   792  	b := v.Block
   793  	_ = b
   794  	// match: (Add8   x y)
   795  	// cond:
   796  	// result: (ADDW  x y)
   797  	for {
   798  		x := v.Args[0]
   799  		y := v.Args[1]
   800  		v.reset(OpS390XADDW)
   801  		v.AddArg(x)
   802  		v.AddArg(y)
   803  		return true
   804  	}
   805  }
   806  func rewriteValueS390X_OpAddPtr(v *Value, config *Config) bool {
   807  	b := v.Block
   808  	_ = b
   809  	// match: (AddPtr x y)
   810  	// cond:
   811  	// result: (ADD  x y)
   812  	for {
   813  		x := v.Args[0]
   814  		y := v.Args[1]
   815  		v.reset(OpS390XADD)
   816  		v.AddArg(x)
   817  		v.AddArg(y)
   818  		return true
   819  	}
   820  }
   821  func rewriteValueS390X_OpAddr(v *Value, config *Config) bool {
   822  	b := v.Block
   823  	_ = b
   824  	// match: (Addr {sym} base)
   825  	// cond:
   826  	// result: (MOVDaddr {sym} base)
   827  	for {
   828  		sym := v.Aux
   829  		base := v.Args[0]
   830  		v.reset(OpS390XMOVDaddr)
   831  		v.Aux = sym
   832  		v.AddArg(base)
   833  		return true
   834  	}
   835  }
   836  func rewriteValueS390X_OpAnd16(v *Value, config *Config) bool {
   837  	b := v.Block
   838  	_ = b
   839  	// match: (And16 x y)
   840  	// cond:
   841  	// result: (ANDW x y)
   842  	for {
   843  		x := v.Args[0]
   844  		y := v.Args[1]
   845  		v.reset(OpS390XANDW)
   846  		v.AddArg(x)
   847  		v.AddArg(y)
   848  		return true
   849  	}
   850  }
   851  func rewriteValueS390X_OpAnd32(v *Value, config *Config) bool {
   852  	b := v.Block
   853  	_ = b
   854  	// match: (And32 x y)
   855  	// cond:
   856  	// result: (ANDW x y)
   857  	for {
   858  		x := v.Args[0]
   859  		y := v.Args[1]
   860  		v.reset(OpS390XANDW)
   861  		v.AddArg(x)
   862  		v.AddArg(y)
   863  		return true
   864  	}
   865  }
   866  func rewriteValueS390X_OpAnd64(v *Value, config *Config) bool {
   867  	b := v.Block
   868  	_ = b
   869  	// match: (And64 x y)
   870  	// cond:
   871  	// result: (AND x y)
   872  	for {
   873  		x := v.Args[0]
   874  		y := v.Args[1]
   875  		v.reset(OpS390XAND)
   876  		v.AddArg(x)
   877  		v.AddArg(y)
   878  		return true
   879  	}
   880  }
   881  func rewriteValueS390X_OpAnd8(v *Value, config *Config) bool {
   882  	b := v.Block
   883  	_ = b
   884  	// match: (And8  x y)
   885  	// cond:
   886  	// result: (ANDW x y)
   887  	for {
   888  		x := v.Args[0]
   889  		y := v.Args[1]
   890  		v.reset(OpS390XANDW)
   891  		v.AddArg(x)
   892  		v.AddArg(y)
   893  		return true
   894  	}
   895  }
   896  func rewriteValueS390X_OpAndB(v *Value, config *Config) bool {
   897  	b := v.Block
   898  	_ = b
   899  	// match: (AndB x y)
   900  	// cond:
   901  	// result: (ANDW x y)
   902  	for {
   903  		x := v.Args[0]
   904  		y := v.Args[1]
   905  		v.reset(OpS390XANDW)
   906  		v.AddArg(x)
   907  		v.AddArg(y)
   908  		return true
   909  	}
   910  }
   911  func rewriteValueS390X_OpAtomicAdd32(v *Value, config *Config) bool {
   912  	b := v.Block
   913  	_ = b
   914  	// match: (AtomicAdd32 ptr val mem)
   915  	// cond:
   916  	// result: (AddTupleFirst32 (LAA ptr val mem) val)
   917  	for {
   918  		ptr := v.Args[0]
   919  		val := v.Args[1]
   920  		mem := v.Args[2]
   921  		v.reset(OpS390XAddTupleFirst32)
   922  		v0 := b.NewValue0(v.Line, OpS390XLAA, MakeTuple(config.fe.TypeUInt32(), TypeMem))
   923  		v0.AddArg(ptr)
   924  		v0.AddArg(val)
   925  		v0.AddArg(mem)
   926  		v.AddArg(v0)
   927  		v.AddArg(val)
   928  		return true
   929  	}
   930  }
   931  func rewriteValueS390X_OpAtomicAdd64(v *Value, config *Config) bool {
   932  	b := v.Block
   933  	_ = b
   934  	// match: (AtomicAdd64 ptr val mem)
   935  	// cond:
   936  	// result: (AddTupleFirst64 (LAAG ptr val mem) val)
   937  	for {
   938  		ptr := v.Args[0]
   939  		val := v.Args[1]
   940  		mem := v.Args[2]
   941  		v.reset(OpS390XAddTupleFirst64)
   942  		v0 := b.NewValue0(v.Line, OpS390XLAAG, MakeTuple(config.fe.TypeUInt64(), TypeMem))
   943  		v0.AddArg(ptr)
   944  		v0.AddArg(val)
   945  		v0.AddArg(mem)
   946  		v.AddArg(v0)
   947  		v.AddArg(val)
   948  		return true
   949  	}
   950  }
   951  func rewriteValueS390X_OpAtomicCompareAndSwap32(v *Value, config *Config) bool {
   952  	b := v.Block
   953  	_ = b
   954  	// match: (AtomicCompareAndSwap32 ptr old new_ mem)
   955  	// cond:
   956  	// result: (LoweredAtomicCas32 ptr old new_ mem)
   957  	for {
   958  		ptr := v.Args[0]
   959  		old := v.Args[1]
   960  		new_ := v.Args[2]
   961  		mem := v.Args[3]
   962  		v.reset(OpS390XLoweredAtomicCas32)
   963  		v.AddArg(ptr)
   964  		v.AddArg(old)
   965  		v.AddArg(new_)
   966  		v.AddArg(mem)
   967  		return true
   968  	}
   969  }
   970  func rewriteValueS390X_OpAtomicCompareAndSwap64(v *Value, config *Config) bool {
   971  	b := v.Block
   972  	_ = b
   973  	// match: (AtomicCompareAndSwap64 ptr old new_ mem)
   974  	// cond:
   975  	// result: (LoweredAtomicCas64 ptr old new_ mem)
   976  	for {
   977  		ptr := v.Args[0]
   978  		old := v.Args[1]
   979  		new_ := v.Args[2]
   980  		mem := v.Args[3]
   981  		v.reset(OpS390XLoweredAtomicCas64)
   982  		v.AddArg(ptr)
   983  		v.AddArg(old)
   984  		v.AddArg(new_)
   985  		v.AddArg(mem)
   986  		return true
   987  	}
   988  }
   989  func rewriteValueS390X_OpAtomicExchange32(v *Value, config *Config) bool {
   990  	b := v.Block
   991  	_ = b
   992  	// match: (AtomicExchange32 ptr val mem)
   993  	// cond:
   994  	// result: (LoweredAtomicExchange32 ptr val mem)
   995  	for {
   996  		ptr := v.Args[0]
   997  		val := v.Args[1]
   998  		mem := v.Args[2]
   999  		v.reset(OpS390XLoweredAtomicExchange32)
  1000  		v.AddArg(ptr)
  1001  		v.AddArg(val)
  1002  		v.AddArg(mem)
  1003  		return true
  1004  	}
  1005  }
  1006  func rewriteValueS390X_OpAtomicExchange64(v *Value, config *Config) bool {
  1007  	b := v.Block
  1008  	_ = b
  1009  	// match: (AtomicExchange64 ptr val mem)
  1010  	// cond:
  1011  	// result: (LoweredAtomicExchange64 ptr val mem)
  1012  	for {
  1013  		ptr := v.Args[0]
  1014  		val := v.Args[1]
  1015  		mem := v.Args[2]
  1016  		v.reset(OpS390XLoweredAtomicExchange64)
  1017  		v.AddArg(ptr)
  1018  		v.AddArg(val)
  1019  		v.AddArg(mem)
  1020  		return true
  1021  	}
  1022  }
  1023  func rewriteValueS390X_OpAtomicLoad32(v *Value, config *Config) bool {
  1024  	b := v.Block
  1025  	_ = b
  1026  	// match: (AtomicLoad32 ptr mem)
  1027  	// cond:
  1028  	// result: (MOVWZatomicload ptr mem)
  1029  	for {
  1030  		ptr := v.Args[0]
  1031  		mem := v.Args[1]
  1032  		v.reset(OpS390XMOVWZatomicload)
  1033  		v.AddArg(ptr)
  1034  		v.AddArg(mem)
  1035  		return true
  1036  	}
  1037  }
  1038  func rewriteValueS390X_OpAtomicLoad64(v *Value, config *Config) bool {
  1039  	b := v.Block
  1040  	_ = b
  1041  	// match: (AtomicLoad64 ptr mem)
  1042  	// cond:
  1043  	// result: (MOVDatomicload ptr mem)
  1044  	for {
  1045  		ptr := v.Args[0]
  1046  		mem := v.Args[1]
  1047  		v.reset(OpS390XMOVDatomicload)
  1048  		v.AddArg(ptr)
  1049  		v.AddArg(mem)
  1050  		return true
  1051  	}
  1052  }
  1053  func rewriteValueS390X_OpAtomicLoadPtr(v *Value, config *Config) bool {
  1054  	b := v.Block
  1055  	_ = b
  1056  	// match: (AtomicLoadPtr ptr mem)
  1057  	// cond:
  1058  	// result: (MOVDatomicload ptr mem)
  1059  	for {
  1060  		ptr := v.Args[0]
  1061  		mem := v.Args[1]
  1062  		v.reset(OpS390XMOVDatomicload)
  1063  		v.AddArg(ptr)
  1064  		v.AddArg(mem)
  1065  		return true
  1066  	}
  1067  }
  1068  func rewriteValueS390X_OpAtomicStore32(v *Value, config *Config) bool {
  1069  	b := v.Block
  1070  	_ = b
  1071  	// match: (AtomicStore32 ptr val mem)
  1072  	// cond:
  1073  	// result: (MOVWatomicstore ptr val mem)
  1074  	for {
  1075  		ptr := v.Args[0]
  1076  		val := v.Args[1]
  1077  		mem := v.Args[2]
  1078  		v.reset(OpS390XMOVWatomicstore)
  1079  		v.AddArg(ptr)
  1080  		v.AddArg(val)
  1081  		v.AddArg(mem)
  1082  		return true
  1083  	}
  1084  }
  1085  func rewriteValueS390X_OpAtomicStore64(v *Value, config *Config) bool {
  1086  	b := v.Block
  1087  	_ = b
  1088  	// match: (AtomicStore64 ptr val mem)
  1089  	// cond:
  1090  	// result: (MOVDatomicstore ptr val mem)
  1091  	for {
  1092  		ptr := v.Args[0]
  1093  		val := v.Args[1]
  1094  		mem := v.Args[2]
  1095  		v.reset(OpS390XMOVDatomicstore)
  1096  		v.AddArg(ptr)
  1097  		v.AddArg(val)
  1098  		v.AddArg(mem)
  1099  		return true
  1100  	}
  1101  }
  1102  func rewriteValueS390X_OpAtomicStorePtrNoWB(v *Value, config *Config) bool {
  1103  	b := v.Block
  1104  	_ = b
  1105  	// match: (AtomicStorePtrNoWB ptr val mem)
  1106  	// cond:
  1107  	// result: (MOVDatomicstore ptr val mem)
  1108  	for {
  1109  		ptr := v.Args[0]
  1110  		val := v.Args[1]
  1111  		mem := v.Args[2]
  1112  		v.reset(OpS390XMOVDatomicstore)
  1113  		v.AddArg(ptr)
  1114  		v.AddArg(val)
  1115  		v.AddArg(mem)
  1116  		return true
  1117  	}
  1118  }
  1119  func rewriteValueS390X_OpAvg64u(v *Value, config *Config) bool {
  1120  	b := v.Block
  1121  	_ = b
  1122  	// match: (Avg64u <t> x y)
  1123  	// cond:
  1124  	// result: (ADD (ADD <t> (SRDconst <t> x [1]) (SRDconst <t> y [1])) (ANDconst <t> (AND <t> x y) [1]))
  1125  	for {
  1126  		t := v.Type
  1127  		x := v.Args[0]
  1128  		y := v.Args[1]
  1129  		v.reset(OpS390XADD)
  1130  		v0 := b.NewValue0(v.Line, OpS390XADD, t)
  1131  		v1 := b.NewValue0(v.Line, OpS390XSRDconst, t)
  1132  		v1.AuxInt = 1
  1133  		v1.AddArg(x)
  1134  		v0.AddArg(v1)
  1135  		v2 := b.NewValue0(v.Line, OpS390XSRDconst, t)
  1136  		v2.AuxInt = 1
  1137  		v2.AddArg(y)
  1138  		v0.AddArg(v2)
  1139  		v.AddArg(v0)
  1140  		v3 := b.NewValue0(v.Line, OpS390XANDconst, t)
  1141  		v3.AuxInt = 1
  1142  		v4 := b.NewValue0(v.Line, OpS390XAND, t)
  1143  		v4.AddArg(x)
  1144  		v4.AddArg(y)
  1145  		v3.AddArg(v4)
  1146  		v.AddArg(v3)
  1147  		return true
  1148  	}
  1149  }
  1150  func rewriteValueS390X_OpBswap32(v *Value, config *Config) bool {
  1151  	b := v.Block
  1152  	_ = b
  1153  	// match: (Bswap32 x)
  1154  	// cond:
  1155  	// result: (MOVWBR x)
  1156  	for {
  1157  		x := v.Args[0]
  1158  		v.reset(OpS390XMOVWBR)
  1159  		v.AddArg(x)
  1160  		return true
  1161  	}
  1162  }
  1163  func rewriteValueS390X_OpBswap64(v *Value, config *Config) bool {
  1164  	b := v.Block
  1165  	_ = b
  1166  	// match: (Bswap64 x)
  1167  	// cond:
  1168  	// result: (MOVDBR x)
  1169  	for {
  1170  		x := v.Args[0]
  1171  		v.reset(OpS390XMOVDBR)
  1172  		v.AddArg(x)
  1173  		return true
  1174  	}
  1175  }
  1176  func rewriteValueS390X_OpClosureCall(v *Value, config *Config) bool {
  1177  	b := v.Block
  1178  	_ = b
  1179  	// match: (ClosureCall [argwid] entry closure mem)
  1180  	// cond:
  1181  	// result: (CALLclosure [argwid] entry closure mem)
  1182  	for {
  1183  		argwid := v.AuxInt
  1184  		entry := v.Args[0]
  1185  		closure := v.Args[1]
  1186  		mem := v.Args[2]
  1187  		v.reset(OpS390XCALLclosure)
  1188  		v.AuxInt = argwid
  1189  		v.AddArg(entry)
  1190  		v.AddArg(closure)
  1191  		v.AddArg(mem)
  1192  		return true
  1193  	}
  1194  }
  1195  func rewriteValueS390X_OpCom16(v *Value, config *Config) bool {
  1196  	b := v.Block
  1197  	_ = b
  1198  	// match: (Com16 x)
  1199  	// cond:
  1200  	// result: (NOTW x)
  1201  	for {
  1202  		x := v.Args[0]
  1203  		v.reset(OpS390XNOTW)
  1204  		v.AddArg(x)
  1205  		return true
  1206  	}
  1207  }
  1208  func rewriteValueS390X_OpCom32(v *Value, config *Config) bool {
  1209  	b := v.Block
  1210  	_ = b
  1211  	// match: (Com32 x)
  1212  	// cond:
  1213  	// result: (NOTW x)
  1214  	for {
  1215  		x := v.Args[0]
  1216  		v.reset(OpS390XNOTW)
  1217  		v.AddArg(x)
  1218  		return true
  1219  	}
  1220  }
  1221  func rewriteValueS390X_OpCom64(v *Value, config *Config) bool {
  1222  	b := v.Block
  1223  	_ = b
  1224  	// match: (Com64 x)
  1225  	// cond:
  1226  	// result: (NOT x)
  1227  	for {
  1228  		x := v.Args[0]
  1229  		v.reset(OpS390XNOT)
  1230  		v.AddArg(x)
  1231  		return true
  1232  	}
  1233  }
  1234  func rewriteValueS390X_OpCom8(v *Value, config *Config) bool {
  1235  	b := v.Block
  1236  	_ = b
  1237  	// match: (Com8  x)
  1238  	// cond:
  1239  	// result: (NOTW x)
  1240  	for {
  1241  		x := v.Args[0]
  1242  		v.reset(OpS390XNOTW)
  1243  		v.AddArg(x)
  1244  		return true
  1245  	}
  1246  }
  1247  func rewriteValueS390X_OpConst16(v *Value, config *Config) bool {
  1248  	b := v.Block
  1249  	_ = b
  1250  	// match: (Const16  [val])
  1251  	// cond:
  1252  	// result: (MOVDconst [val])
  1253  	for {
  1254  		val := v.AuxInt
  1255  		v.reset(OpS390XMOVDconst)
  1256  		v.AuxInt = val
  1257  		return true
  1258  	}
  1259  }
  1260  func rewriteValueS390X_OpConst32(v *Value, config *Config) bool {
  1261  	b := v.Block
  1262  	_ = b
  1263  	// match: (Const32  [val])
  1264  	// cond:
  1265  	// result: (MOVDconst [val])
  1266  	for {
  1267  		val := v.AuxInt
  1268  		v.reset(OpS390XMOVDconst)
  1269  		v.AuxInt = val
  1270  		return true
  1271  	}
  1272  }
  1273  func rewriteValueS390X_OpConst32F(v *Value, config *Config) bool {
  1274  	b := v.Block
  1275  	_ = b
  1276  	// match: (Const32F [val])
  1277  	// cond:
  1278  	// result: (FMOVSconst [val])
  1279  	for {
  1280  		val := v.AuxInt
  1281  		v.reset(OpS390XFMOVSconst)
  1282  		v.AuxInt = val
  1283  		return true
  1284  	}
  1285  }
  1286  func rewriteValueS390X_OpConst64(v *Value, config *Config) bool {
  1287  	b := v.Block
  1288  	_ = b
  1289  	// match: (Const64  [val])
  1290  	// cond:
  1291  	// result: (MOVDconst [val])
  1292  	for {
  1293  		val := v.AuxInt
  1294  		v.reset(OpS390XMOVDconst)
  1295  		v.AuxInt = val
  1296  		return true
  1297  	}
  1298  }
  1299  func rewriteValueS390X_OpConst64F(v *Value, config *Config) bool {
  1300  	b := v.Block
  1301  	_ = b
  1302  	// match: (Const64F [val])
  1303  	// cond:
  1304  	// result: (FMOVDconst [val])
  1305  	for {
  1306  		val := v.AuxInt
  1307  		v.reset(OpS390XFMOVDconst)
  1308  		v.AuxInt = val
  1309  		return true
  1310  	}
  1311  }
  1312  func rewriteValueS390X_OpConst8(v *Value, config *Config) bool {
  1313  	b := v.Block
  1314  	_ = b
  1315  	// match: (Const8   [val])
  1316  	// cond:
  1317  	// result: (MOVDconst [val])
  1318  	for {
  1319  		val := v.AuxInt
  1320  		v.reset(OpS390XMOVDconst)
  1321  		v.AuxInt = val
  1322  		return true
  1323  	}
  1324  }
  1325  func rewriteValueS390X_OpConstBool(v *Value, config *Config) bool {
  1326  	b := v.Block
  1327  	_ = b
  1328  	// match: (ConstBool [b])
  1329  	// cond:
  1330  	// result: (MOVDconst [b])
  1331  	for {
  1332  		b := v.AuxInt
  1333  		v.reset(OpS390XMOVDconst)
  1334  		v.AuxInt = b
  1335  		return true
  1336  	}
  1337  }
  1338  func rewriteValueS390X_OpConstNil(v *Value, config *Config) bool {
  1339  	b := v.Block
  1340  	_ = b
  1341  	// match: (ConstNil)
  1342  	// cond:
  1343  	// result: (MOVDconst [0])
  1344  	for {
  1345  		v.reset(OpS390XMOVDconst)
  1346  		v.AuxInt = 0
  1347  		return true
  1348  	}
  1349  }
  1350  func rewriteValueS390X_OpConvert(v *Value, config *Config) bool {
  1351  	b := v.Block
  1352  	_ = b
  1353  	// match: (Convert <t> x mem)
  1354  	// cond:
  1355  	// result: (MOVDconvert <t> x mem)
  1356  	for {
  1357  		t := v.Type
  1358  		x := v.Args[0]
  1359  		mem := v.Args[1]
  1360  		v.reset(OpS390XMOVDconvert)
  1361  		v.Type = t
  1362  		v.AddArg(x)
  1363  		v.AddArg(mem)
  1364  		return true
  1365  	}
  1366  }
  1367  func rewriteValueS390X_OpCtz32(v *Value, config *Config) bool {
  1368  	b := v.Block
  1369  	_ = b
  1370  	// match: (Ctz32 <t> x)
  1371  	// cond:
  1372  	// result: (SUB (MOVDconst [64]) (FLOGR (MOVWZreg (ANDW <t> (SUBWconst <t> [1] x) (NOTW <t> x)))))
  1373  	for {
  1374  		t := v.Type
  1375  		x := v.Args[0]
  1376  		v.reset(OpS390XSUB)
  1377  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1378  		v0.AuxInt = 64
  1379  		v.AddArg(v0)
  1380  		v1 := b.NewValue0(v.Line, OpS390XFLOGR, config.fe.TypeUInt64())
  1381  		v2 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1382  		v3 := b.NewValue0(v.Line, OpS390XANDW, t)
  1383  		v4 := b.NewValue0(v.Line, OpS390XSUBWconst, t)
  1384  		v4.AuxInt = 1
  1385  		v4.AddArg(x)
  1386  		v3.AddArg(v4)
  1387  		v5 := b.NewValue0(v.Line, OpS390XNOTW, t)
  1388  		v5.AddArg(x)
  1389  		v3.AddArg(v5)
  1390  		v2.AddArg(v3)
  1391  		v1.AddArg(v2)
  1392  		v.AddArg(v1)
  1393  		return true
  1394  	}
  1395  }
  1396  func rewriteValueS390X_OpCtz64(v *Value, config *Config) bool {
  1397  	b := v.Block
  1398  	_ = b
  1399  	// match: (Ctz64 <t> x)
  1400  	// cond:
  1401  	// result: (SUB (MOVDconst [64]) (FLOGR (AND <t> (SUBconst <t> [1] x) (NOT <t> x))))
  1402  	for {
  1403  		t := v.Type
  1404  		x := v.Args[0]
  1405  		v.reset(OpS390XSUB)
  1406  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1407  		v0.AuxInt = 64
  1408  		v.AddArg(v0)
  1409  		v1 := b.NewValue0(v.Line, OpS390XFLOGR, config.fe.TypeUInt64())
  1410  		v2 := b.NewValue0(v.Line, OpS390XAND, t)
  1411  		v3 := b.NewValue0(v.Line, OpS390XSUBconst, t)
  1412  		v3.AuxInt = 1
  1413  		v3.AddArg(x)
  1414  		v2.AddArg(v3)
  1415  		v4 := b.NewValue0(v.Line, OpS390XNOT, t)
  1416  		v4.AddArg(x)
  1417  		v2.AddArg(v4)
  1418  		v1.AddArg(v2)
  1419  		v.AddArg(v1)
  1420  		return true
  1421  	}
  1422  }
  1423  func rewriteValueS390X_OpCvt32Fto32(v *Value, config *Config) bool {
  1424  	b := v.Block
  1425  	_ = b
  1426  	// match: (Cvt32Fto32 x)
  1427  	// cond:
  1428  	// result: (CFEBRA x)
  1429  	for {
  1430  		x := v.Args[0]
  1431  		v.reset(OpS390XCFEBRA)
  1432  		v.AddArg(x)
  1433  		return true
  1434  	}
  1435  }
  1436  func rewriteValueS390X_OpCvt32Fto64(v *Value, config *Config) bool {
  1437  	b := v.Block
  1438  	_ = b
  1439  	// match: (Cvt32Fto64 x)
  1440  	// cond:
  1441  	// result: (CGEBRA x)
  1442  	for {
  1443  		x := v.Args[0]
  1444  		v.reset(OpS390XCGEBRA)
  1445  		v.AddArg(x)
  1446  		return true
  1447  	}
  1448  }
  1449  func rewriteValueS390X_OpCvt32Fto64F(v *Value, config *Config) bool {
  1450  	b := v.Block
  1451  	_ = b
  1452  	// match: (Cvt32Fto64F x)
  1453  	// cond:
  1454  	// result: (LDEBR x)
  1455  	for {
  1456  		x := v.Args[0]
  1457  		v.reset(OpS390XLDEBR)
  1458  		v.AddArg(x)
  1459  		return true
  1460  	}
  1461  }
  1462  func rewriteValueS390X_OpCvt32to32F(v *Value, config *Config) bool {
  1463  	b := v.Block
  1464  	_ = b
  1465  	// match: (Cvt32to32F x)
  1466  	// cond:
  1467  	// result: (CEFBRA x)
  1468  	for {
  1469  		x := v.Args[0]
  1470  		v.reset(OpS390XCEFBRA)
  1471  		v.AddArg(x)
  1472  		return true
  1473  	}
  1474  }
  1475  func rewriteValueS390X_OpCvt32to64F(v *Value, config *Config) bool {
  1476  	b := v.Block
  1477  	_ = b
  1478  	// match: (Cvt32to64F x)
  1479  	// cond:
  1480  	// result: (CDFBRA x)
  1481  	for {
  1482  		x := v.Args[0]
  1483  		v.reset(OpS390XCDFBRA)
  1484  		v.AddArg(x)
  1485  		return true
  1486  	}
  1487  }
  1488  func rewriteValueS390X_OpCvt64Fto32(v *Value, config *Config) bool {
  1489  	b := v.Block
  1490  	_ = b
  1491  	// match: (Cvt64Fto32 x)
  1492  	// cond:
  1493  	// result: (CFDBRA x)
  1494  	for {
  1495  		x := v.Args[0]
  1496  		v.reset(OpS390XCFDBRA)
  1497  		v.AddArg(x)
  1498  		return true
  1499  	}
  1500  }
  1501  func rewriteValueS390X_OpCvt64Fto32F(v *Value, config *Config) bool {
  1502  	b := v.Block
  1503  	_ = b
  1504  	// match: (Cvt64Fto32F x)
  1505  	// cond:
  1506  	// result: (LEDBR x)
  1507  	for {
  1508  		x := v.Args[0]
  1509  		v.reset(OpS390XLEDBR)
  1510  		v.AddArg(x)
  1511  		return true
  1512  	}
  1513  }
  1514  func rewriteValueS390X_OpCvt64Fto64(v *Value, config *Config) bool {
  1515  	b := v.Block
  1516  	_ = b
  1517  	// match: (Cvt64Fto64 x)
  1518  	// cond:
  1519  	// result: (CGDBRA x)
  1520  	for {
  1521  		x := v.Args[0]
  1522  		v.reset(OpS390XCGDBRA)
  1523  		v.AddArg(x)
  1524  		return true
  1525  	}
  1526  }
  1527  func rewriteValueS390X_OpCvt64to32F(v *Value, config *Config) bool {
  1528  	b := v.Block
  1529  	_ = b
  1530  	// match: (Cvt64to32F x)
  1531  	// cond:
  1532  	// result: (CEGBRA x)
  1533  	for {
  1534  		x := v.Args[0]
  1535  		v.reset(OpS390XCEGBRA)
  1536  		v.AddArg(x)
  1537  		return true
  1538  	}
  1539  }
  1540  func rewriteValueS390X_OpCvt64to64F(v *Value, config *Config) bool {
  1541  	b := v.Block
  1542  	_ = b
  1543  	// match: (Cvt64to64F x)
  1544  	// cond:
  1545  	// result: (CDGBRA x)
  1546  	for {
  1547  		x := v.Args[0]
  1548  		v.reset(OpS390XCDGBRA)
  1549  		v.AddArg(x)
  1550  		return true
  1551  	}
  1552  }
  1553  func rewriteValueS390X_OpDeferCall(v *Value, config *Config) bool {
  1554  	b := v.Block
  1555  	_ = b
  1556  	// match: (DeferCall [argwid] mem)
  1557  	// cond:
  1558  	// result: (CALLdefer [argwid] mem)
  1559  	for {
  1560  		argwid := v.AuxInt
  1561  		mem := v.Args[0]
  1562  		v.reset(OpS390XCALLdefer)
  1563  		v.AuxInt = argwid
  1564  		v.AddArg(mem)
  1565  		return true
  1566  	}
  1567  }
  1568  func rewriteValueS390X_OpDiv16(v *Value, config *Config) bool {
  1569  	b := v.Block
  1570  	_ = b
  1571  	// match: (Div16  x y)
  1572  	// cond:
  1573  	// result: (DIVW  (MOVHreg x) (MOVHreg y))
  1574  	for {
  1575  		x := v.Args[0]
  1576  		y := v.Args[1]
  1577  		v.reset(OpS390XDIVW)
  1578  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1579  		v0.AddArg(x)
  1580  		v.AddArg(v0)
  1581  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1582  		v1.AddArg(y)
  1583  		v.AddArg(v1)
  1584  		return true
  1585  	}
  1586  }
  1587  func rewriteValueS390X_OpDiv16u(v *Value, config *Config) bool {
  1588  	b := v.Block
  1589  	_ = b
  1590  	// match: (Div16u x y)
  1591  	// cond:
  1592  	// result: (DIVWU (MOVHZreg x) (MOVHZreg y))
  1593  	for {
  1594  		x := v.Args[0]
  1595  		y := v.Args[1]
  1596  		v.reset(OpS390XDIVWU)
  1597  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1598  		v0.AddArg(x)
  1599  		v.AddArg(v0)
  1600  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1601  		v1.AddArg(y)
  1602  		v.AddArg(v1)
  1603  		return true
  1604  	}
  1605  }
  1606  func rewriteValueS390X_OpDiv32(v *Value, config *Config) bool {
  1607  	b := v.Block
  1608  	_ = b
  1609  	// match: (Div32  x y)
  1610  	// cond:
  1611  	// result: (DIVW  (MOVWreg x) y)
  1612  	for {
  1613  		x := v.Args[0]
  1614  		y := v.Args[1]
  1615  		v.reset(OpS390XDIVW)
  1616  		v0 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  1617  		v0.AddArg(x)
  1618  		v.AddArg(v0)
  1619  		v.AddArg(y)
  1620  		return true
  1621  	}
  1622  }
  1623  func rewriteValueS390X_OpDiv32F(v *Value, config *Config) bool {
  1624  	b := v.Block
  1625  	_ = b
  1626  	// match: (Div32F x y)
  1627  	// cond:
  1628  	// result: (FDIVS x y)
  1629  	for {
  1630  		x := v.Args[0]
  1631  		y := v.Args[1]
  1632  		v.reset(OpS390XFDIVS)
  1633  		v.AddArg(x)
  1634  		v.AddArg(y)
  1635  		return true
  1636  	}
  1637  }
  1638  func rewriteValueS390X_OpDiv32u(v *Value, config *Config) bool {
  1639  	b := v.Block
  1640  	_ = b
  1641  	// match: (Div32u x y)
  1642  	// cond:
  1643  	// result: (DIVWU (MOVWZreg x) y)
  1644  	for {
  1645  		x := v.Args[0]
  1646  		y := v.Args[1]
  1647  		v.reset(OpS390XDIVWU)
  1648  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  1649  		v0.AddArg(x)
  1650  		v.AddArg(v0)
  1651  		v.AddArg(y)
  1652  		return true
  1653  	}
  1654  }
  1655  func rewriteValueS390X_OpDiv64(v *Value, config *Config) bool {
  1656  	b := v.Block
  1657  	_ = b
  1658  	// match: (Div64  x y)
  1659  	// cond:
  1660  	// result: (DIVD  x y)
  1661  	for {
  1662  		x := v.Args[0]
  1663  		y := v.Args[1]
  1664  		v.reset(OpS390XDIVD)
  1665  		v.AddArg(x)
  1666  		v.AddArg(y)
  1667  		return true
  1668  	}
  1669  }
  1670  func rewriteValueS390X_OpDiv64F(v *Value, config *Config) bool {
  1671  	b := v.Block
  1672  	_ = b
  1673  	// match: (Div64F x y)
  1674  	// cond:
  1675  	// result: (FDIV x y)
  1676  	for {
  1677  		x := v.Args[0]
  1678  		y := v.Args[1]
  1679  		v.reset(OpS390XFDIV)
  1680  		v.AddArg(x)
  1681  		v.AddArg(y)
  1682  		return true
  1683  	}
  1684  }
  1685  func rewriteValueS390X_OpDiv64u(v *Value, config *Config) bool {
  1686  	b := v.Block
  1687  	_ = b
  1688  	// match: (Div64u x y)
  1689  	// cond:
  1690  	// result: (DIVDU x y)
  1691  	for {
  1692  		x := v.Args[0]
  1693  		y := v.Args[1]
  1694  		v.reset(OpS390XDIVDU)
  1695  		v.AddArg(x)
  1696  		v.AddArg(y)
  1697  		return true
  1698  	}
  1699  }
  1700  func rewriteValueS390X_OpDiv8(v *Value, config *Config) bool {
  1701  	b := v.Block
  1702  	_ = b
  1703  	// match: (Div8   x y)
  1704  	// cond:
  1705  	// result: (DIVW  (MOVBreg x) (MOVBreg y))
  1706  	for {
  1707  		x := v.Args[0]
  1708  		y := v.Args[1]
  1709  		v.reset(OpS390XDIVW)
  1710  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1711  		v0.AddArg(x)
  1712  		v.AddArg(v0)
  1713  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1714  		v1.AddArg(y)
  1715  		v.AddArg(v1)
  1716  		return true
  1717  	}
  1718  }
  1719  func rewriteValueS390X_OpDiv8u(v *Value, config *Config) bool {
  1720  	b := v.Block
  1721  	_ = b
  1722  	// match: (Div8u  x y)
  1723  	// cond:
  1724  	// result: (DIVWU (MOVBZreg x) (MOVBZreg y))
  1725  	for {
  1726  		x := v.Args[0]
  1727  		y := v.Args[1]
  1728  		v.reset(OpS390XDIVWU)
  1729  		v0 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1730  		v0.AddArg(x)
  1731  		v.AddArg(v0)
  1732  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  1733  		v1.AddArg(y)
  1734  		v.AddArg(v1)
  1735  		return true
  1736  	}
  1737  }
  1738  func rewriteValueS390X_OpEq16(v *Value, config *Config) bool {
  1739  	b := v.Block
  1740  	_ = b
  1741  	// match: (Eq16  x y)
  1742  	// cond:
  1743  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1744  	for {
  1745  		x := v.Args[0]
  1746  		y := v.Args[1]
  1747  		v.reset(OpS390XMOVDEQ)
  1748  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1749  		v0.AuxInt = 0
  1750  		v.AddArg(v0)
  1751  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1752  		v1.AuxInt = 1
  1753  		v.AddArg(v1)
  1754  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1755  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1756  		v3.AddArg(x)
  1757  		v2.AddArg(v3)
  1758  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1759  		v4.AddArg(y)
  1760  		v2.AddArg(v4)
  1761  		v.AddArg(v2)
  1762  		return true
  1763  	}
  1764  }
  1765  func rewriteValueS390X_OpEq32(v *Value, config *Config) bool {
  1766  	b := v.Block
  1767  	_ = b
  1768  	// match: (Eq32  x y)
  1769  	// cond:
  1770  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1771  	for {
  1772  		x := v.Args[0]
  1773  		y := v.Args[1]
  1774  		v.reset(OpS390XMOVDEQ)
  1775  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1776  		v0.AuxInt = 0
  1777  		v.AddArg(v0)
  1778  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1779  		v1.AuxInt = 1
  1780  		v.AddArg(v1)
  1781  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  1782  		v2.AddArg(x)
  1783  		v2.AddArg(y)
  1784  		v.AddArg(v2)
  1785  		return true
  1786  	}
  1787  }
  1788  func rewriteValueS390X_OpEq32F(v *Value, config *Config) bool {
  1789  	b := v.Block
  1790  	_ = b
  1791  	// match: (Eq32F x y)
  1792  	// cond:
  1793  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  1794  	for {
  1795  		x := v.Args[0]
  1796  		y := v.Args[1]
  1797  		v.reset(OpS390XMOVDEQ)
  1798  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1799  		v0.AuxInt = 0
  1800  		v.AddArg(v0)
  1801  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1802  		v1.AuxInt = 1
  1803  		v.AddArg(v1)
  1804  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  1805  		v2.AddArg(x)
  1806  		v2.AddArg(y)
  1807  		v.AddArg(v2)
  1808  		return true
  1809  	}
  1810  }
  1811  func rewriteValueS390X_OpEq64(v *Value, config *Config) bool {
  1812  	b := v.Block
  1813  	_ = b
  1814  	// match: (Eq64  x y)
  1815  	// cond:
  1816  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1817  	for {
  1818  		x := v.Args[0]
  1819  		y := v.Args[1]
  1820  		v.reset(OpS390XMOVDEQ)
  1821  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1822  		v0.AuxInt = 0
  1823  		v.AddArg(v0)
  1824  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1825  		v1.AuxInt = 1
  1826  		v.AddArg(v1)
  1827  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1828  		v2.AddArg(x)
  1829  		v2.AddArg(y)
  1830  		v.AddArg(v2)
  1831  		return true
  1832  	}
  1833  }
  1834  func rewriteValueS390X_OpEq64F(v *Value, config *Config) bool {
  1835  	b := v.Block
  1836  	_ = b
  1837  	// match: (Eq64F x y)
  1838  	// cond:
  1839  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  1840  	for {
  1841  		x := v.Args[0]
  1842  		y := v.Args[1]
  1843  		v.reset(OpS390XMOVDEQ)
  1844  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1845  		v0.AuxInt = 0
  1846  		v.AddArg(v0)
  1847  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1848  		v1.AuxInt = 1
  1849  		v.AddArg(v1)
  1850  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  1851  		v2.AddArg(x)
  1852  		v2.AddArg(y)
  1853  		v.AddArg(v2)
  1854  		return true
  1855  	}
  1856  }
  1857  func rewriteValueS390X_OpEq8(v *Value, config *Config) bool {
  1858  	b := v.Block
  1859  	_ = b
  1860  	// match: (Eq8   x y)
  1861  	// cond:
  1862  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1863  	for {
  1864  		x := v.Args[0]
  1865  		y := v.Args[1]
  1866  		v.reset(OpS390XMOVDEQ)
  1867  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1868  		v0.AuxInt = 0
  1869  		v.AddArg(v0)
  1870  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1871  		v1.AuxInt = 1
  1872  		v.AddArg(v1)
  1873  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1874  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1875  		v3.AddArg(x)
  1876  		v2.AddArg(v3)
  1877  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1878  		v4.AddArg(y)
  1879  		v2.AddArg(v4)
  1880  		v.AddArg(v2)
  1881  		return true
  1882  	}
  1883  }
  1884  func rewriteValueS390X_OpEqB(v *Value, config *Config) bool {
  1885  	b := v.Block
  1886  	_ = b
  1887  	// match: (EqB   x y)
  1888  	// cond:
  1889  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  1890  	for {
  1891  		x := v.Args[0]
  1892  		y := v.Args[1]
  1893  		v.reset(OpS390XMOVDEQ)
  1894  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1895  		v0.AuxInt = 0
  1896  		v.AddArg(v0)
  1897  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1898  		v1.AuxInt = 1
  1899  		v.AddArg(v1)
  1900  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1901  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1902  		v3.AddArg(x)
  1903  		v2.AddArg(v3)
  1904  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  1905  		v4.AddArg(y)
  1906  		v2.AddArg(v4)
  1907  		v.AddArg(v2)
  1908  		return true
  1909  	}
  1910  }
  1911  func rewriteValueS390X_OpEqPtr(v *Value, config *Config) bool {
  1912  	b := v.Block
  1913  	_ = b
  1914  	// match: (EqPtr x y)
  1915  	// cond:
  1916  	// result: (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  1917  	for {
  1918  		x := v.Args[0]
  1919  		y := v.Args[1]
  1920  		v.reset(OpS390XMOVDEQ)
  1921  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1922  		v0.AuxInt = 0
  1923  		v.AddArg(v0)
  1924  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1925  		v1.AuxInt = 1
  1926  		v.AddArg(v1)
  1927  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1928  		v2.AddArg(x)
  1929  		v2.AddArg(y)
  1930  		v.AddArg(v2)
  1931  		return true
  1932  	}
  1933  }
  1934  func rewriteValueS390X_OpGeq16(v *Value, config *Config) bool {
  1935  	b := v.Block
  1936  	_ = b
  1937  	// match: (Geq16  x y)
  1938  	// cond:
  1939  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  1940  	for {
  1941  		x := v.Args[0]
  1942  		y := v.Args[1]
  1943  		v.reset(OpS390XMOVDGE)
  1944  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1945  		v0.AuxInt = 0
  1946  		v.AddArg(v0)
  1947  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1948  		v1.AuxInt = 1
  1949  		v.AddArg(v1)
  1950  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  1951  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1952  		v3.AddArg(x)
  1953  		v2.AddArg(v3)
  1954  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  1955  		v4.AddArg(y)
  1956  		v2.AddArg(v4)
  1957  		v.AddArg(v2)
  1958  		return true
  1959  	}
  1960  }
  1961  func rewriteValueS390X_OpGeq16U(v *Value, config *Config) bool {
  1962  	b := v.Block
  1963  	_ = b
  1964  	// match: (Geq16U x y)
  1965  	// cond:
  1966  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  1967  	for {
  1968  		x := v.Args[0]
  1969  		y := v.Args[1]
  1970  		v.reset(OpS390XMOVDGE)
  1971  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1972  		v0.AuxInt = 0
  1973  		v.AddArg(v0)
  1974  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1975  		v1.AuxInt = 1
  1976  		v.AddArg(v1)
  1977  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  1978  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1979  		v3.AddArg(x)
  1980  		v2.AddArg(v3)
  1981  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  1982  		v4.AddArg(y)
  1983  		v2.AddArg(v4)
  1984  		v.AddArg(v2)
  1985  		return true
  1986  	}
  1987  }
  1988  func rewriteValueS390X_OpGeq32(v *Value, config *Config) bool {
  1989  	b := v.Block
  1990  	_ = b
  1991  	// match: (Geq32  x y)
  1992  	// cond:
  1993  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  1994  	for {
  1995  		x := v.Args[0]
  1996  		y := v.Args[1]
  1997  		v.reset(OpS390XMOVDGE)
  1998  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  1999  		v0.AuxInt = 0
  2000  		v.AddArg(v0)
  2001  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2002  		v1.AuxInt = 1
  2003  		v.AddArg(v1)
  2004  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  2005  		v2.AddArg(x)
  2006  		v2.AddArg(y)
  2007  		v.AddArg(v2)
  2008  		return true
  2009  	}
  2010  }
  2011  func rewriteValueS390X_OpGeq32F(v *Value, config *Config) bool {
  2012  	b := v.Block
  2013  	_ = b
  2014  	// match: (Geq32F x y)
  2015  	// cond:
  2016  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2017  	for {
  2018  		x := v.Args[0]
  2019  		y := v.Args[1]
  2020  		v.reset(OpS390XMOVDGEnoinv)
  2021  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2022  		v0.AuxInt = 0
  2023  		v.AddArg(v0)
  2024  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2025  		v1.AuxInt = 1
  2026  		v.AddArg(v1)
  2027  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  2028  		v2.AddArg(x)
  2029  		v2.AddArg(y)
  2030  		v.AddArg(v2)
  2031  		return true
  2032  	}
  2033  }
  2034  func rewriteValueS390X_OpGeq32U(v *Value, config *Config) bool {
  2035  	b := v.Block
  2036  	_ = b
  2037  	// match: (Geq32U x y)
  2038  	// cond:
  2039  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2040  	for {
  2041  		x := v.Args[0]
  2042  		y := v.Args[1]
  2043  		v.reset(OpS390XMOVDGE)
  2044  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2045  		v0.AuxInt = 0
  2046  		v.AddArg(v0)
  2047  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2048  		v1.AuxInt = 1
  2049  		v.AddArg(v1)
  2050  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  2051  		v2.AddArg(x)
  2052  		v2.AddArg(y)
  2053  		v.AddArg(v2)
  2054  		return true
  2055  	}
  2056  }
  2057  func rewriteValueS390X_OpGeq64(v *Value, config *Config) bool {
  2058  	b := v.Block
  2059  	_ = b
  2060  	// match: (Geq64  x y)
  2061  	// cond:
  2062  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2063  	for {
  2064  		x := v.Args[0]
  2065  		y := v.Args[1]
  2066  		v.reset(OpS390XMOVDGE)
  2067  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2068  		v0.AuxInt = 0
  2069  		v.AddArg(v0)
  2070  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2071  		v1.AuxInt = 1
  2072  		v.AddArg(v1)
  2073  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2074  		v2.AddArg(x)
  2075  		v2.AddArg(y)
  2076  		v.AddArg(v2)
  2077  		return true
  2078  	}
  2079  }
  2080  func rewriteValueS390X_OpGeq64F(v *Value, config *Config) bool {
  2081  	b := v.Block
  2082  	_ = b
  2083  	// match: (Geq64F x y)
  2084  	// cond:
  2085  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2086  	for {
  2087  		x := v.Args[0]
  2088  		y := v.Args[1]
  2089  		v.reset(OpS390XMOVDGEnoinv)
  2090  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2091  		v0.AuxInt = 0
  2092  		v.AddArg(v0)
  2093  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2094  		v1.AuxInt = 1
  2095  		v.AddArg(v1)
  2096  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  2097  		v2.AddArg(x)
  2098  		v2.AddArg(y)
  2099  		v.AddArg(v2)
  2100  		return true
  2101  	}
  2102  }
  2103  func rewriteValueS390X_OpGeq64U(v *Value, config *Config) bool {
  2104  	b := v.Block
  2105  	_ = b
  2106  	// match: (Geq64U x y)
  2107  	// cond:
  2108  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2109  	for {
  2110  		x := v.Args[0]
  2111  		y := v.Args[1]
  2112  		v.reset(OpS390XMOVDGE)
  2113  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2114  		v0.AuxInt = 0
  2115  		v.AddArg(v0)
  2116  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2117  		v1.AuxInt = 1
  2118  		v.AddArg(v1)
  2119  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2120  		v2.AddArg(x)
  2121  		v2.AddArg(y)
  2122  		v.AddArg(v2)
  2123  		return true
  2124  	}
  2125  }
  2126  func rewriteValueS390X_OpGeq8(v *Value, config *Config) bool {
  2127  	b := v.Block
  2128  	_ = b
  2129  	// match: (Geq8   x y)
  2130  	// cond:
  2131  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2132  	for {
  2133  		x := v.Args[0]
  2134  		y := v.Args[1]
  2135  		v.reset(OpS390XMOVDGE)
  2136  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2137  		v0.AuxInt = 0
  2138  		v.AddArg(v0)
  2139  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2140  		v1.AuxInt = 1
  2141  		v.AddArg(v1)
  2142  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2143  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2144  		v3.AddArg(x)
  2145  		v2.AddArg(v3)
  2146  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2147  		v4.AddArg(y)
  2148  		v2.AddArg(v4)
  2149  		v.AddArg(v2)
  2150  		return true
  2151  	}
  2152  }
  2153  func rewriteValueS390X_OpGeq8U(v *Value, config *Config) bool {
  2154  	b := v.Block
  2155  	_ = b
  2156  	// match: (Geq8U  x y)
  2157  	// cond:
  2158  	// result: (MOVDGE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2159  	for {
  2160  		x := v.Args[0]
  2161  		y := v.Args[1]
  2162  		v.reset(OpS390XMOVDGE)
  2163  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2164  		v0.AuxInt = 0
  2165  		v.AddArg(v0)
  2166  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2167  		v1.AuxInt = 1
  2168  		v.AddArg(v1)
  2169  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2170  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2171  		v3.AddArg(x)
  2172  		v2.AddArg(v3)
  2173  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2174  		v4.AddArg(y)
  2175  		v2.AddArg(v4)
  2176  		v.AddArg(v2)
  2177  		return true
  2178  	}
  2179  }
  2180  func rewriteValueS390X_OpGetClosurePtr(v *Value, config *Config) bool {
  2181  	b := v.Block
  2182  	_ = b
  2183  	// match: (GetClosurePtr)
  2184  	// cond:
  2185  	// result: (LoweredGetClosurePtr)
  2186  	for {
  2187  		v.reset(OpS390XLoweredGetClosurePtr)
  2188  		return true
  2189  	}
  2190  }
  2191  func rewriteValueS390X_OpGetG(v *Value, config *Config) bool {
  2192  	b := v.Block
  2193  	_ = b
  2194  	// match: (GetG mem)
  2195  	// cond:
  2196  	// result: (LoweredGetG mem)
  2197  	for {
  2198  		mem := v.Args[0]
  2199  		v.reset(OpS390XLoweredGetG)
  2200  		v.AddArg(mem)
  2201  		return true
  2202  	}
  2203  }
  2204  func rewriteValueS390X_OpGoCall(v *Value, config *Config) bool {
  2205  	b := v.Block
  2206  	_ = b
  2207  	// match: (GoCall [argwid] mem)
  2208  	// cond:
  2209  	// result: (CALLgo [argwid] mem)
  2210  	for {
  2211  		argwid := v.AuxInt
  2212  		mem := v.Args[0]
  2213  		v.reset(OpS390XCALLgo)
  2214  		v.AuxInt = argwid
  2215  		v.AddArg(mem)
  2216  		return true
  2217  	}
  2218  }
  2219  func rewriteValueS390X_OpGreater16(v *Value, config *Config) bool {
  2220  	b := v.Block
  2221  	_ = b
  2222  	// match: (Greater16  x y)
  2223  	// cond:
  2224  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2225  	for {
  2226  		x := v.Args[0]
  2227  		y := v.Args[1]
  2228  		v.reset(OpS390XMOVDGT)
  2229  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2230  		v0.AuxInt = 0
  2231  		v.AddArg(v0)
  2232  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2233  		v1.AuxInt = 1
  2234  		v.AddArg(v1)
  2235  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2236  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2237  		v3.AddArg(x)
  2238  		v2.AddArg(v3)
  2239  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2240  		v4.AddArg(y)
  2241  		v2.AddArg(v4)
  2242  		v.AddArg(v2)
  2243  		return true
  2244  	}
  2245  }
  2246  func rewriteValueS390X_OpGreater16U(v *Value, config *Config) bool {
  2247  	b := v.Block
  2248  	_ = b
  2249  	// match: (Greater16U x y)
  2250  	// cond:
  2251  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2252  	for {
  2253  		x := v.Args[0]
  2254  		y := v.Args[1]
  2255  		v.reset(OpS390XMOVDGT)
  2256  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2257  		v0.AuxInt = 0
  2258  		v.AddArg(v0)
  2259  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2260  		v1.AuxInt = 1
  2261  		v.AddArg(v1)
  2262  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2263  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2264  		v3.AddArg(x)
  2265  		v2.AddArg(v3)
  2266  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2267  		v4.AddArg(y)
  2268  		v2.AddArg(v4)
  2269  		v.AddArg(v2)
  2270  		return true
  2271  	}
  2272  }
  2273  func rewriteValueS390X_OpGreater32(v *Value, config *Config) bool {
  2274  	b := v.Block
  2275  	_ = b
  2276  	// match: (Greater32  x y)
  2277  	// cond:
  2278  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2279  	for {
  2280  		x := v.Args[0]
  2281  		y := v.Args[1]
  2282  		v.reset(OpS390XMOVDGT)
  2283  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2284  		v0.AuxInt = 0
  2285  		v.AddArg(v0)
  2286  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2287  		v1.AuxInt = 1
  2288  		v.AddArg(v1)
  2289  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  2290  		v2.AddArg(x)
  2291  		v2.AddArg(y)
  2292  		v.AddArg(v2)
  2293  		return true
  2294  	}
  2295  }
  2296  func rewriteValueS390X_OpGreater32F(v *Value, config *Config) bool {
  2297  	b := v.Block
  2298  	_ = b
  2299  	// match: (Greater32F x y)
  2300  	// cond:
  2301  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  2302  	for {
  2303  		x := v.Args[0]
  2304  		y := v.Args[1]
  2305  		v.reset(OpS390XMOVDGTnoinv)
  2306  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2307  		v0.AuxInt = 0
  2308  		v.AddArg(v0)
  2309  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2310  		v1.AuxInt = 1
  2311  		v.AddArg(v1)
  2312  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  2313  		v2.AddArg(x)
  2314  		v2.AddArg(y)
  2315  		v.AddArg(v2)
  2316  		return true
  2317  	}
  2318  }
  2319  func rewriteValueS390X_OpGreater32U(v *Value, config *Config) bool {
  2320  	b := v.Block
  2321  	_ = b
  2322  	// match: (Greater32U x y)
  2323  	// cond:
  2324  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2325  	for {
  2326  		x := v.Args[0]
  2327  		y := v.Args[1]
  2328  		v.reset(OpS390XMOVDGT)
  2329  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2330  		v0.AuxInt = 0
  2331  		v.AddArg(v0)
  2332  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2333  		v1.AuxInt = 1
  2334  		v.AddArg(v1)
  2335  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  2336  		v2.AddArg(x)
  2337  		v2.AddArg(y)
  2338  		v.AddArg(v2)
  2339  		return true
  2340  	}
  2341  }
  2342  func rewriteValueS390X_OpGreater64(v *Value, config *Config) bool {
  2343  	b := v.Block
  2344  	_ = b
  2345  	// match: (Greater64  x y)
  2346  	// cond:
  2347  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2348  	for {
  2349  		x := v.Args[0]
  2350  		y := v.Args[1]
  2351  		v.reset(OpS390XMOVDGT)
  2352  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2353  		v0.AuxInt = 0
  2354  		v.AddArg(v0)
  2355  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2356  		v1.AuxInt = 1
  2357  		v.AddArg(v1)
  2358  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2359  		v2.AddArg(x)
  2360  		v2.AddArg(y)
  2361  		v.AddArg(v2)
  2362  		return true
  2363  	}
  2364  }
  2365  func rewriteValueS390X_OpGreater64F(v *Value, config *Config) bool {
  2366  	b := v.Block
  2367  	_ = b
  2368  	// match: (Greater64F x y)
  2369  	// cond:
  2370  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  2371  	for {
  2372  		x := v.Args[0]
  2373  		y := v.Args[1]
  2374  		v.reset(OpS390XMOVDGTnoinv)
  2375  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2376  		v0.AuxInt = 0
  2377  		v.AddArg(v0)
  2378  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2379  		v1.AuxInt = 1
  2380  		v.AddArg(v1)
  2381  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  2382  		v2.AddArg(x)
  2383  		v2.AddArg(y)
  2384  		v.AddArg(v2)
  2385  		return true
  2386  	}
  2387  }
  2388  func rewriteValueS390X_OpGreater64U(v *Value, config *Config) bool {
  2389  	b := v.Block
  2390  	_ = b
  2391  	// match: (Greater64U x y)
  2392  	// cond:
  2393  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2394  	for {
  2395  		x := v.Args[0]
  2396  		y := v.Args[1]
  2397  		v.reset(OpS390XMOVDGT)
  2398  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2399  		v0.AuxInt = 0
  2400  		v.AddArg(v0)
  2401  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2402  		v1.AuxInt = 1
  2403  		v.AddArg(v1)
  2404  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2405  		v2.AddArg(x)
  2406  		v2.AddArg(y)
  2407  		v.AddArg(v2)
  2408  		return true
  2409  	}
  2410  }
  2411  func rewriteValueS390X_OpGreater8(v *Value, config *Config) bool {
  2412  	b := v.Block
  2413  	_ = b
  2414  	// match: (Greater8   x y)
  2415  	// cond:
  2416  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2417  	for {
  2418  		x := v.Args[0]
  2419  		y := v.Args[1]
  2420  		v.reset(OpS390XMOVDGT)
  2421  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2422  		v0.AuxInt = 0
  2423  		v.AddArg(v0)
  2424  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2425  		v1.AuxInt = 1
  2426  		v.AddArg(v1)
  2427  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2428  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2429  		v3.AddArg(x)
  2430  		v2.AddArg(v3)
  2431  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2432  		v4.AddArg(y)
  2433  		v2.AddArg(v4)
  2434  		v.AddArg(v2)
  2435  		return true
  2436  	}
  2437  }
  2438  func rewriteValueS390X_OpGreater8U(v *Value, config *Config) bool {
  2439  	b := v.Block
  2440  	_ = b
  2441  	// match: (Greater8U  x y)
  2442  	// cond:
  2443  	// result: (MOVDGT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2444  	for {
  2445  		x := v.Args[0]
  2446  		y := v.Args[1]
  2447  		v.reset(OpS390XMOVDGT)
  2448  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2449  		v0.AuxInt = 0
  2450  		v.AddArg(v0)
  2451  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2452  		v1.AuxInt = 1
  2453  		v.AddArg(v1)
  2454  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2455  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2456  		v3.AddArg(x)
  2457  		v2.AddArg(v3)
  2458  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2459  		v4.AddArg(y)
  2460  		v2.AddArg(v4)
  2461  		v.AddArg(v2)
  2462  		return true
  2463  	}
  2464  }
  2465  func rewriteValueS390X_OpHmul16(v *Value, config *Config) bool {
  2466  	b := v.Block
  2467  	_ = b
  2468  	// match: (Hmul16  x y)
  2469  	// cond:
  2470  	// result: (SRDconst [16] (MULLW (MOVHreg x) (MOVHreg y)))
  2471  	for {
  2472  		x := v.Args[0]
  2473  		y := v.Args[1]
  2474  		v.reset(OpS390XSRDconst)
  2475  		v.AuxInt = 16
  2476  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2477  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2478  		v1.AddArg(x)
  2479  		v0.AddArg(v1)
  2480  		v2 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2481  		v2.AddArg(y)
  2482  		v0.AddArg(v2)
  2483  		v.AddArg(v0)
  2484  		return true
  2485  	}
  2486  }
  2487  func rewriteValueS390X_OpHmul16u(v *Value, config *Config) bool {
  2488  	b := v.Block
  2489  	_ = b
  2490  	// match: (Hmul16u x y)
  2491  	// cond:
  2492  	// result: (SRDconst [16] (MULLW (MOVHZreg x) (MOVHZreg y)))
  2493  	for {
  2494  		x := v.Args[0]
  2495  		y := v.Args[1]
  2496  		v.reset(OpS390XSRDconst)
  2497  		v.AuxInt = 16
  2498  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2499  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2500  		v1.AddArg(x)
  2501  		v0.AddArg(v1)
  2502  		v2 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2503  		v2.AddArg(y)
  2504  		v0.AddArg(v2)
  2505  		v.AddArg(v0)
  2506  		return true
  2507  	}
  2508  }
  2509  func rewriteValueS390X_OpHmul32(v *Value, config *Config) bool {
  2510  	b := v.Block
  2511  	_ = b
  2512  	// match: (Hmul32  x y)
  2513  	// cond:
  2514  	// result: (SRDconst [32] (MULLD (MOVWreg x) (MOVWreg y)))
  2515  	for {
  2516  		x := v.Args[0]
  2517  		y := v.Args[1]
  2518  		v.reset(OpS390XSRDconst)
  2519  		v.AuxInt = 32
  2520  		v0 := b.NewValue0(v.Line, OpS390XMULLD, config.fe.TypeInt64())
  2521  		v1 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  2522  		v1.AddArg(x)
  2523  		v0.AddArg(v1)
  2524  		v2 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  2525  		v2.AddArg(y)
  2526  		v0.AddArg(v2)
  2527  		v.AddArg(v0)
  2528  		return true
  2529  	}
  2530  }
  2531  func rewriteValueS390X_OpHmul32u(v *Value, config *Config) bool {
  2532  	b := v.Block
  2533  	_ = b
  2534  	// match: (Hmul32u x y)
  2535  	// cond:
  2536  	// result: (SRDconst [32] (MULLD (MOVWZreg x) (MOVWZreg y)))
  2537  	for {
  2538  		x := v.Args[0]
  2539  		y := v.Args[1]
  2540  		v.reset(OpS390XSRDconst)
  2541  		v.AuxInt = 32
  2542  		v0 := b.NewValue0(v.Line, OpS390XMULLD, config.fe.TypeInt64())
  2543  		v1 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2544  		v1.AddArg(x)
  2545  		v0.AddArg(v1)
  2546  		v2 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  2547  		v2.AddArg(y)
  2548  		v0.AddArg(v2)
  2549  		v.AddArg(v0)
  2550  		return true
  2551  	}
  2552  }
  2553  func rewriteValueS390X_OpHmul64(v *Value, config *Config) bool {
  2554  	b := v.Block
  2555  	_ = b
  2556  	// match: (Hmul64  x y)
  2557  	// cond:
  2558  	// result: (MULHD  x y)
  2559  	for {
  2560  		x := v.Args[0]
  2561  		y := v.Args[1]
  2562  		v.reset(OpS390XMULHD)
  2563  		v.AddArg(x)
  2564  		v.AddArg(y)
  2565  		return true
  2566  	}
  2567  }
  2568  func rewriteValueS390X_OpHmul64u(v *Value, config *Config) bool {
  2569  	b := v.Block
  2570  	_ = b
  2571  	// match: (Hmul64u x y)
  2572  	// cond:
  2573  	// result: (MULHDU x y)
  2574  	for {
  2575  		x := v.Args[0]
  2576  		y := v.Args[1]
  2577  		v.reset(OpS390XMULHDU)
  2578  		v.AddArg(x)
  2579  		v.AddArg(y)
  2580  		return true
  2581  	}
  2582  }
  2583  func rewriteValueS390X_OpHmul8(v *Value, config *Config) bool {
  2584  	b := v.Block
  2585  	_ = b
  2586  	// match: (Hmul8   x y)
  2587  	// cond:
  2588  	// result: (SRDconst [8] (MULLW (MOVBreg x) (MOVBreg y)))
  2589  	for {
  2590  		x := v.Args[0]
  2591  		y := v.Args[1]
  2592  		v.reset(OpS390XSRDconst)
  2593  		v.AuxInt = 8
  2594  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2595  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2596  		v1.AddArg(x)
  2597  		v0.AddArg(v1)
  2598  		v2 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2599  		v2.AddArg(y)
  2600  		v0.AddArg(v2)
  2601  		v.AddArg(v0)
  2602  		return true
  2603  	}
  2604  }
  2605  func rewriteValueS390X_OpHmul8u(v *Value, config *Config) bool {
  2606  	b := v.Block
  2607  	_ = b
  2608  	// match: (Hmul8u  x y)
  2609  	// cond:
  2610  	// result: (SRDconst [8] (MULLW (MOVBZreg x) (MOVBZreg y)))
  2611  	for {
  2612  		x := v.Args[0]
  2613  		y := v.Args[1]
  2614  		v.reset(OpS390XSRDconst)
  2615  		v.AuxInt = 8
  2616  		v0 := b.NewValue0(v.Line, OpS390XMULLW, config.fe.TypeInt32())
  2617  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2618  		v1.AddArg(x)
  2619  		v0.AddArg(v1)
  2620  		v2 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2621  		v2.AddArg(y)
  2622  		v0.AddArg(v2)
  2623  		v.AddArg(v0)
  2624  		return true
  2625  	}
  2626  }
  2627  func rewriteValueS390X_OpITab(v *Value, config *Config) bool {
  2628  	b := v.Block
  2629  	_ = b
  2630  	// match: (ITab (Load ptr mem))
  2631  	// cond:
  2632  	// result: (MOVDload ptr mem)
  2633  	for {
  2634  		v_0 := v.Args[0]
  2635  		if v_0.Op != OpLoad {
  2636  			break
  2637  		}
  2638  		ptr := v_0.Args[0]
  2639  		mem := v_0.Args[1]
  2640  		v.reset(OpS390XMOVDload)
  2641  		v.AddArg(ptr)
  2642  		v.AddArg(mem)
  2643  		return true
  2644  	}
  2645  	return false
  2646  }
  2647  func rewriteValueS390X_OpInterCall(v *Value, config *Config) bool {
  2648  	b := v.Block
  2649  	_ = b
  2650  	// match: (InterCall [argwid] entry mem)
  2651  	// cond:
  2652  	// result: (CALLinter [argwid] entry mem)
  2653  	for {
  2654  		argwid := v.AuxInt
  2655  		entry := v.Args[0]
  2656  		mem := v.Args[1]
  2657  		v.reset(OpS390XCALLinter)
  2658  		v.AuxInt = argwid
  2659  		v.AddArg(entry)
  2660  		v.AddArg(mem)
  2661  		return true
  2662  	}
  2663  }
  2664  func rewriteValueS390X_OpIsInBounds(v *Value, config *Config) bool {
  2665  	b := v.Block
  2666  	_ = b
  2667  	// match: (IsInBounds idx len)
  2668  	// cond:
  2669  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2670  	for {
  2671  		idx := v.Args[0]
  2672  		len := v.Args[1]
  2673  		v.reset(OpS390XMOVDLT)
  2674  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2675  		v0.AuxInt = 0
  2676  		v.AddArg(v0)
  2677  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2678  		v1.AuxInt = 1
  2679  		v.AddArg(v1)
  2680  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2681  		v2.AddArg(idx)
  2682  		v2.AddArg(len)
  2683  		v.AddArg(v2)
  2684  		return true
  2685  	}
  2686  }
  2687  func rewriteValueS390X_OpIsNonNil(v *Value, config *Config) bool {
  2688  	b := v.Block
  2689  	_ = b
  2690  	// match: (IsNonNil p)
  2691  	// cond:
  2692  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPconst p [0]))
  2693  	for {
  2694  		p := v.Args[0]
  2695  		v.reset(OpS390XMOVDNE)
  2696  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2697  		v0.AuxInt = 0
  2698  		v.AddArg(v0)
  2699  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2700  		v1.AuxInt = 1
  2701  		v.AddArg(v1)
  2702  		v2 := b.NewValue0(v.Line, OpS390XCMPconst, TypeFlags)
  2703  		v2.AuxInt = 0
  2704  		v2.AddArg(p)
  2705  		v.AddArg(v2)
  2706  		return true
  2707  	}
  2708  }
  2709  func rewriteValueS390X_OpIsSliceInBounds(v *Value, config *Config) bool {
  2710  	b := v.Block
  2711  	_ = b
  2712  	// match: (IsSliceInBounds idx len)
  2713  	// cond:
  2714  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))
  2715  	for {
  2716  		idx := v.Args[0]
  2717  		len := v.Args[1]
  2718  		v.reset(OpS390XMOVDLE)
  2719  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2720  		v0.AuxInt = 0
  2721  		v.AddArg(v0)
  2722  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2723  		v1.AuxInt = 1
  2724  		v.AddArg(v1)
  2725  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2726  		v2.AddArg(idx)
  2727  		v2.AddArg(len)
  2728  		v.AddArg(v2)
  2729  		return true
  2730  	}
  2731  }
  2732  func rewriteValueS390X_OpLeq16(v *Value, config *Config) bool {
  2733  	b := v.Block
  2734  	_ = b
  2735  	// match: (Leq16  x y)
  2736  	// cond:
  2737  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2738  	for {
  2739  		x := v.Args[0]
  2740  		y := v.Args[1]
  2741  		v.reset(OpS390XMOVDLE)
  2742  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2743  		v0.AuxInt = 0
  2744  		v.AddArg(v0)
  2745  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2746  		v1.AuxInt = 1
  2747  		v.AddArg(v1)
  2748  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2749  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2750  		v3.AddArg(x)
  2751  		v2.AddArg(v3)
  2752  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2753  		v4.AddArg(y)
  2754  		v2.AddArg(v4)
  2755  		v.AddArg(v2)
  2756  		return true
  2757  	}
  2758  }
  2759  func rewriteValueS390X_OpLeq16U(v *Value, config *Config) bool {
  2760  	b := v.Block
  2761  	_ = b
  2762  	// match: (Leq16U x y)
  2763  	// cond:
  2764  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  2765  	for {
  2766  		x := v.Args[0]
  2767  		y := v.Args[1]
  2768  		v.reset(OpS390XMOVDLE)
  2769  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2770  		v0.AuxInt = 0
  2771  		v.AddArg(v0)
  2772  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2773  		v1.AuxInt = 1
  2774  		v.AddArg(v1)
  2775  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2776  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2777  		v3.AddArg(x)
  2778  		v2.AddArg(v3)
  2779  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  2780  		v4.AddArg(y)
  2781  		v2.AddArg(v4)
  2782  		v.AddArg(v2)
  2783  		return true
  2784  	}
  2785  }
  2786  func rewriteValueS390X_OpLeq32(v *Value, config *Config) bool {
  2787  	b := v.Block
  2788  	_ = b
  2789  	// match: (Leq32  x y)
  2790  	// cond:
  2791  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  2792  	for {
  2793  		x := v.Args[0]
  2794  		y := v.Args[1]
  2795  		v.reset(OpS390XMOVDLE)
  2796  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2797  		v0.AuxInt = 0
  2798  		v.AddArg(v0)
  2799  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2800  		v1.AuxInt = 1
  2801  		v.AddArg(v1)
  2802  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  2803  		v2.AddArg(x)
  2804  		v2.AddArg(y)
  2805  		v.AddArg(v2)
  2806  		return true
  2807  	}
  2808  }
  2809  func rewriteValueS390X_OpLeq32F(v *Value, config *Config) bool {
  2810  	b := v.Block
  2811  	_ = b
  2812  	// match: (Leq32F x y)
  2813  	// cond:
  2814  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  2815  	for {
  2816  		x := v.Args[0]
  2817  		y := v.Args[1]
  2818  		v.reset(OpS390XMOVDGEnoinv)
  2819  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2820  		v0.AuxInt = 0
  2821  		v.AddArg(v0)
  2822  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2823  		v1.AuxInt = 1
  2824  		v.AddArg(v1)
  2825  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  2826  		v2.AddArg(y)
  2827  		v2.AddArg(x)
  2828  		v.AddArg(v2)
  2829  		return true
  2830  	}
  2831  }
  2832  func rewriteValueS390X_OpLeq32U(v *Value, config *Config) bool {
  2833  	b := v.Block
  2834  	_ = b
  2835  	// match: (Leq32U x y)
  2836  	// cond:
  2837  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  2838  	for {
  2839  		x := v.Args[0]
  2840  		y := v.Args[1]
  2841  		v.reset(OpS390XMOVDLE)
  2842  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2843  		v0.AuxInt = 0
  2844  		v.AddArg(v0)
  2845  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2846  		v1.AuxInt = 1
  2847  		v.AddArg(v1)
  2848  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  2849  		v2.AddArg(x)
  2850  		v2.AddArg(y)
  2851  		v.AddArg(v2)
  2852  		return true
  2853  	}
  2854  }
  2855  func rewriteValueS390X_OpLeq64(v *Value, config *Config) bool {
  2856  	b := v.Block
  2857  	_ = b
  2858  	// match: (Leq64  x y)
  2859  	// cond:
  2860  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  2861  	for {
  2862  		x := v.Args[0]
  2863  		y := v.Args[1]
  2864  		v.reset(OpS390XMOVDLE)
  2865  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2866  		v0.AuxInt = 0
  2867  		v.AddArg(v0)
  2868  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2869  		v1.AuxInt = 1
  2870  		v.AddArg(v1)
  2871  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2872  		v2.AddArg(x)
  2873  		v2.AddArg(y)
  2874  		v.AddArg(v2)
  2875  		return true
  2876  	}
  2877  }
  2878  func rewriteValueS390X_OpLeq64F(v *Value, config *Config) bool {
  2879  	b := v.Block
  2880  	_ = b
  2881  	// match: (Leq64F x y)
  2882  	// cond:
  2883  	// result: (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  2884  	for {
  2885  		x := v.Args[0]
  2886  		y := v.Args[1]
  2887  		v.reset(OpS390XMOVDGEnoinv)
  2888  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2889  		v0.AuxInt = 0
  2890  		v.AddArg(v0)
  2891  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2892  		v1.AuxInt = 1
  2893  		v.AddArg(v1)
  2894  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  2895  		v2.AddArg(y)
  2896  		v2.AddArg(x)
  2897  		v.AddArg(v2)
  2898  		return true
  2899  	}
  2900  }
  2901  func rewriteValueS390X_OpLeq64U(v *Value, config *Config) bool {
  2902  	b := v.Block
  2903  	_ = b
  2904  	// match: (Leq64U x y)
  2905  	// cond:
  2906  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  2907  	for {
  2908  		x := v.Args[0]
  2909  		y := v.Args[1]
  2910  		v.reset(OpS390XMOVDLE)
  2911  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2912  		v0.AuxInt = 0
  2913  		v.AddArg(v0)
  2914  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2915  		v1.AuxInt = 1
  2916  		v.AddArg(v1)
  2917  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2918  		v2.AddArg(x)
  2919  		v2.AddArg(y)
  2920  		v.AddArg(v2)
  2921  		return true
  2922  	}
  2923  }
  2924  func rewriteValueS390X_OpLeq8(v *Value, config *Config) bool {
  2925  	b := v.Block
  2926  	_ = b
  2927  	// match: (Leq8   x y)
  2928  	// cond:
  2929  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  2930  	for {
  2931  		x := v.Args[0]
  2932  		y := v.Args[1]
  2933  		v.reset(OpS390XMOVDLE)
  2934  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2935  		v0.AuxInt = 0
  2936  		v.AddArg(v0)
  2937  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2938  		v1.AuxInt = 1
  2939  		v.AddArg(v1)
  2940  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2941  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2942  		v3.AddArg(x)
  2943  		v2.AddArg(v3)
  2944  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  2945  		v4.AddArg(y)
  2946  		v2.AddArg(v4)
  2947  		v.AddArg(v2)
  2948  		return true
  2949  	}
  2950  }
  2951  func rewriteValueS390X_OpLeq8U(v *Value, config *Config) bool {
  2952  	b := v.Block
  2953  	_ = b
  2954  	// match: (Leq8U  x y)
  2955  	// cond:
  2956  	// result: (MOVDLE (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  2957  	for {
  2958  		x := v.Args[0]
  2959  		y := v.Args[1]
  2960  		v.reset(OpS390XMOVDLE)
  2961  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2962  		v0.AuxInt = 0
  2963  		v.AddArg(v0)
  2964  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2965  		v1.AuxInt = 1
  2966  		v.AddArg(v1)
  2967  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  2968  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2969  		v3.AddArg(x)
  2970  		v2.AddArg(v3)
  2971  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  2972  		v4.AddArg(y)
  2973  		v2.AddArg(v4)
  2974  		v.AddArg(v2)
  2975  		return true
  2976  	}
  2977  }
  2978  func rewriteValueS390X_OpLess16(v *Value, config *Config) bool {
  2979  	b := v.Block
  2980  	_ = b
  2981  	// match: (Less16  x y)
  2982  	// cond:
  2983  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  2984  	for {
  2985  		x := v.Args[0]
  2986  		y := v.Args[1]
  2987  		v.reset(OpS390XMOVDLT)
  2988  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2989  		v0.AuxInt = 0
  2990  		v.AddArg(v0)
  2991  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  2992  		v1.AuxInt = 1
  2993  		v.AddArg(v1)
  2994  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  2995  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2996  		v3.AddArg(x)
  2997  		v2.AddArg(v3)
  2998  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  2999  		v4.AddArg(y)
  3000  		v2.AddArg(v4)
  3001  		v.AddArg(v2)
  3002  		return true
  3003  	}
  3004  }
  3005  func rewriteValueS390X_OpLess16U(v *Value, config *Config) bool {
  3006  	b := v.Block
  3007  	_ = b
  3008  	// match: (Less16U x y)
  3009  	// cond:
  3010  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVHZreg x) (MOVHZreg y)))
  3011  	for {
  3012  		x := v.Args[0]
  3013  		y := v.Args[1]
  3014  		v.reset(OpS390XMOVDLT)
  3015  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3016  		v0.AuxInt = 0
  3017  		v.AddArg(v0)
  3018  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3019  		v1.AuxInt = 1
  3020  		v.AddArg(v1)
  3021  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3022  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3023  		v3.AddArg(x)
  3024  		v2.AddArg(v3)
  3025  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3026  		v4.AddArg(y)
  3027  		v2.AddArg(v4)
  3028  		v.AddArg(v2)
  3029  		return true
  3030  	}
  3031  }
  3032  func rewriteValueS390X_OpLess32(v *Value, config *Config) bool {
  3033  	b := v.Block
  3034  	_ = b
  3035  	// match: (Less32  x y)
  3036  	// cond:
  3037  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  3038  	for {
  3039  		x := v.Args[0]
  3040  		y := v.Args[1]
  3041  		v.reset(OpS390XMOVDLT)
  3042  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3043  		v0.AuxInt = 0
  3044  		v.AddArg(v0)
  3045  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3046  		v1.AuxInt = 1
  3047  		v.AddArg(v1)
  3048  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  3049  		v2.AddArg(x)
  3050  		v2.AddArg(y)
  3051  		v.AddArg(v2)
  3052  		return true
  3053  	}
  3054  }
  3055  func rewriteValueS390X_OpLess32F(v *Value, config *Config) bool {
  3056  	b := v.Block
  3057  	_ = b
  3058  	// match: (Less32F x y)
  3059  	// cond:
  3060  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMPS y x))
  3061  	for {
  3062  		x := v.Args[0]
  3063  		y := v.Args[1]
  3064  		v.reset(OpS390XMOVDGTnoinv)
  3065  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3066  		v0.AuxInt = 0
  3067  		v.AddArg(v0)
  3068  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3069  		v1.AuxInt = 1
  3070  		v.AddArg(v1)
  3071  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  3072  		v2.AddArg(y)
  3073  		v2.AddArg(x)
  3074  		v.AddArg(v2)
  3075  		return true
  3076  	}
  3077  }
  3078  func rewriteValueS390X_OpLess32U(v *Value, config *Config) bool {
  3079  	b := v.Block
  3080  	_ = b
  3081  	// match: (Less32U x y)
  3082  	// cond:
  3083  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPWU x y))
  3084  	for {
  3085  		x := v.Args[0]
  3086  		y := v.Args[1]
  3087  		v.reset(OpS390XMOVDLT)
  3088  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3089  		v0.AuxInt = 0
  3090  		v.AddArg(v0)
  3091  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3092  		v1.AuxInt = 1
  3093  		v.AddArg(v1)
  3094  		v2 := b.NewValue0(v.Line, OpS390XCMPWU, TypeFlags)
  3095  		v2.AddArg(x)
  3096  		v2.AddArg(y)
  3097  		v.AddArg(v2)
  3098  		return true
  3099  	}
  3100  }
  3101  func rewriteValueS390X_OpLess64(v *Value, config *Config) bool {
  3102  	b := v.Block
  3103  	_ = b
  3104  	// match: (Less64  x y)
  3105  	// cond:
  3106  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  3107  	for {
  3108  		x := v.Args[0]
  3109  		y := v.Args[1]
  3110  		v.reset(OpS390XMOVDLT)
  3111  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3112  		v0.AuxInt = 0
  3113  		v.AddArg(v0)
  3114  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3115  		v1.AuxInt = 1
  3116  		v.AddArg(v1)
  3117  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  3118  		v2.AddArg(x)
  3119  		v2.AddArg(y)
  3120  		v.AddArg(v2)
  3121  		return true
  3122  	}
  3123  }
  3124  func rewriteValueS390X_OpLess64F(v *Value, config *Config) bool {
  3125  	b := v.Block
  3126  	_ = b
  3127  	// match: (Less64F x y)
  3128  	// cond:
  3129  	// result: (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) (FCMP y x))
  3130  	for {
  3131  		x := v.Args[0]
  3132  		y := v.Args[1]
  3133  		v.reset(OpS390XMOVDGTnoinv)
  3134  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3135  		v0.AuxInt = 0
  3136  		v.AddArg(v0)
  3137  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3138  		v1.AuxInt = 1
  3139  		v.AddArg(v1)
  3140  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  3141  		v2.AddArg(y)
  3142  		v2.AddArg(x)
  3143  		v.AddArg(v2)
  3144  		return true
  3145  	}
  3146  }
  3147  func rewriteValueS390X_OpLess64U(v *Value, config *Config) bool {
  3148  	b := v.Block
  3149  	_ = b
  3150  	// match: (Less64U x y)
  3151  	// cond:
  3152  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU x y))
  3153  	for {
  3154  		x := v.Args[0]
  3155  		y := v.Args[1]
  3156  		v.reset(OpS390XMOVDLT)
  3157  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3158  		v0.AuxInt = 0
  3159  		v.AddArg(v0)
  3160  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3161  		v1.AuxInt = 1
  3162  		v.AddArg(v1)
  3163  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3164  		v2.AddArg(x)
  3165  		v2.AddArg(y)
  3166  		v.AddArg(v2)
  3167  		return true
  3168  	}
  3169  }
  3170  func rewriteValueS390X_OpLess8(v *Value, config *Config) bool {
  3171  	b := v.Block
  3172  	_ = b
  3173  	// match: (Less8   x y)
  3174  	// cond:
  3175  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  3176  	for {
  3177  		x := v.Args[0]
  3178  		y := v.Args[1]
  3179  		v.reset(OpS390XMOVDLT)
  3180  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3181  		v0.AuxInt = 0
  3182  		v.AddArg(v0)
  3183  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3184  		v1.AuxInt = 1
  3185  		v.AddArg(v1)
  3186  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  3187  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3188  		v3.AddArg(x)
  3189  		v2.AddArg(v3)
  3190  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3191  		v4.AddArg(y)
  3192  		v2.AddArg(v4)
  3193  		v.AddArg(v2)
  3194  		return true
  3195  	}
  3196  }
  3197  func rewriteValueS390X_OpLess8U(v *Value, config *Config) bool {
  3198  	b := v.Block
  3199  	_ = b
  3200  	// match: (Less8U  x y)
  3201  	// cond:
  3202  	// result: (MOVDLT (MOVDconst [0]) (MOVDconst [1]) (CMPU (MOVBZreg x) (MOVBZreg y)))
  3203  	for {
  3204  		x := v.Args[0]
  3205  		y := v.Args[1]
  3206  		v.reset(OpS390XMOVDLT)
  3207  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3208  		v0.AuxInt = 0
  3209  		v.AddArg(v0)
  3210  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  3211  		v1.AuxInt = 1
  3212  		v.AddArg(v1)
  3213  		v2 := b.NewValue0(v.Line, OpS390XCMPU, TypeFlags)
  3214  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3215  		v3.AddArg(x)
  3216  		v2.AddArg(v3)
  3217  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3218  		v4.AddArg(y)
  3219  		v2.AddArg(v4)
  3220  		v.AddArg(v2)
  3221  		return true
  3222  	}
  3223  }
  3224  func rewriteValueS390X_OpLoad(v *Value, config *Config) bool {
  3225  	b := v.Block
  3226  	_ = b
  3227  	// match: (Load <t> ptr mem)
  3228  	// cond: (is64BitInt(t) || isPtr(t))
  3229  	// result: (MOVDload ptr mem)
  3230  	for {
  3231  		t := v.Type
  3232  		ptr := v.Args[0]
  3233  		mem := v.Args[1]
  3234  		if !(is64BitInt(t) || isPtr(t)) {
  3235  			break
  3236  		}
  3237  		v.reset(OpS390XMOVDload)
  3238  		v.AddArg(ptr)
  3239  		v.AddArg(mem)
  3240  		return true
  3241  	}
  3242  	// match: (Load <t> ptr mem)
  3243  	// cond: is32BitInt(t) && isSigned(t)
  3244  	// result: (MOVWload ptr mem)
  3245  	for {
  3246  		t := v.Type
  3247  		ptr := v.Args[0]
  3248  		mem := v.Args[1]
  3249  		if !(is32BitInt(t) && isSigned(t)) {
  3250  			break
  3251  		}
  3252  		v.reset(OpS390XMOVWload)
  3253  		v.AddArg(ptr)
  3254  		v.AddArg(mem)
  3255  		return true
  3256  	}
  3257  	// match: (Load <t> ptr mem)
  3258  	// cond: is32BitInt(t) && !isSigned(t)
  3259  	// result: (MOVWZload ptr mem)
  3260  	for {
  3261  		t := v.Type
  3262  		ptr := v.Args[0]
  3263  		mem := v.Args[1]
  3264  		if !(is32BitInt(t) && !isSigned(t)) {
  3265  			break
  3266  		}
  3267  		v.reset(OpS390XMOVWZload)
  3268  		v.AddArg(ptr)
  3269  		v.AddArg(mem)
  3270  		return true
  3271  	}
  3272  	// match: (Load <t> ptr mem)
  3273  	// cond: is16BitInt(t) && isSigned(t)
  3274  	// result: (MOVHload ptr mem)
  3275  	for {
  3276  		t := v.Type
  3277  		ptr := v.Args[0]
  3278  		mem := v.Args[1]
  3279  		if !(is16BitInt(t) && isSigned(t)) {
  3280  			break
  3281  		}
  3282  		v.reset(OpS390XMOVHload)
  3283  		v.AddArg(ptr)
  3284  		v.AddArg(mem)
  3285  		return true
  3286  	}
  3287  	// match: (Load <t> ptr mem)
  3288  	// cond: is16BitInt(t) && !isSigned(t)
  3289  	// result: (MOVHZload ptr mem)
  3290  	for {
  3291  		t := v.Type
  3292  		ptr := v.Args[0]
  3293  		mem := v.Args[1]
  3294  		if !(is16BitInt(t) && !isSigned(t)) {
  3295  			break
  3296  		}
  3297  		v.reset(OpS390XMOVHZload)
  3298  		v.AddArg(ptr)
  3299  		v.AddArg(mem)
  3300  		return true
  3301  	}
  3302  	// match: (Load <t> ptr mem)
  3303  	// cond: is8BitInt(t) && isSigned(t)
  3304  	// result: (MOVBload ptr mem)
  3305  	for {
  3306  		t := v.Type
  3307  		ptr := v.Args[0]
  3308  		mem := v.Args[1]
  3309  		if !(is8BitInt(t) && isSigned(t)) {
  3310  			break
  3311  		}
  3312  		v.reset(OpS390XMOVBload)
  3313  		v.AddArg(ptr)
  3314  		v.AddArg(mem)
  3315  		return true
  3316  	}
  3317  	// match: (Load <t> ptr mem)
  3318  	// cond: (t.IsBoolean() || (is8BitInt(t) && !isSigned(t)))
  3319  	// result: (MOVBZload ptr mem)
  3320  	for {
  3321  		t := v.Type
  3322  		ptr := v.Args[0]
  3323  		mem := v.Args[1]
  3324  		if !(t.IsBoolean() || (is8BitInt(t) && !isSigned(t))) {
  3325  			break
  3326  		}
  3327  		v.reset(OpS390XMOVBZload)
  3328  		v.AddArg(ptr)
  3329  		v.AddArg(mem)
  3330  		return true
  3331  	}
  3332  	// match: (Load <t> ptr mem)
  3333  	// cond: is32BitFloat(t)
  3334  	// result: (FMOVSload ptr mem)
  3335  	for {
  3336  		t := v.Type
  3337  		ptr := v.Args[0]
  3338  		mem := v.Args[1]
  3339  		if !(is32BitFloat(t)) {
  3340  			break
  3341  		}
  3342  		v.reset(OpS390XFMOVSload)
  3343  		v.AddArg(ptr)
  3344  		v.AddArg(mem)
  3345  		return true
  3346  	}
  3347  	// match: (Load <t> ptr mem)
  3348  	// cond: is64BitFloat(t)
  3349  	// result: (FMOVDload ptr mem)
  3350  	for {
  3351  		t := v.Type
  3352  		ptr := v.Args[0]
  3353  		mem := v.Args[1]
  3354  		if !(is64BitFloat(t)) {
  3355  			break
  3356  		}
  3357  		v.reset(OpS390XFMOVDload)
  3358  		v.AddArg(ptr)
  3359  		v.AddArg(mem)
  3360  		return true
  3361  	}
  3362  	return false
  3363  }
  3364  func rewriteValueS390X_OpLrot32(v *Value, config *Config) bool {
  3365  	b := v.Block
  3366  	_ = b
  3367  	// match: (Lrot32 <t> x [c])
  3368  	// cond:
  3369  	// result: (RLLconst <t> [c&31] x)
  3370  	for {
  3371  		t := v.Type
  3372  		c := v.AuxInt
  3373  		x := v.Args[0]
  3374  		v.reset(OpS390XRLLconst)
  3375  		v.Type = t
  3376  		v.AuxInt = c & 31
  3377  		v.AddArg(x)
  3378  		return true
  3379  	}
  3380  }
  3381  func rewriteValueS390X_OpLrot64(v *Value, config *Config) bool {
  3382  	b := v.Block
  3383  	_ = b
  3384  	// match: (Lrot64 <t> x [c])
  3385  	// cond:
  3386  	// result: (RLLGconst <t> [c&63] x)
  3387  	for {
  3388  		t := v.Type
  3389  		c := v.AuxInt
  3390  		x := v.Args[0]
  3391  		v.reset(OpS390XRLLGconst)
  3392  		v.Type = t
  3393  		v.AuxInt = c & 63
  3394  		v.AddArg(x)
  3395  		return true
  3396  	}
  3397  }
  3398  func rewriteValueS390X_OpLsh16x16(v *Value, config *Config) bool {
  3399  	b := v.Block
  3400  	_ = b
  3401  	// match: (Lsh16x16 <t> x y)
  3402  	// cond:
  3403  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3404  	for {
  3405  		t := v.Type
  3406  		x := v.Args[0]
  3407  		y := v.Args[1]
  3408  		v.reset(OpS390XANDW)
  3409  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3410  		v0.AddArg(x)
  3411  		v0.AddArg(y)
  3412  		v.AddArg(v0)
  3413  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3414  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3415  		v2.AuxInt = 31
  3416  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3417  		v3.AddArg(y)
  3418  		v2.AddArg(v3)
  3419  		v1.AddArg(v2)
  3420  		v.AddArg(v1)
  3421  		return true
  3422  	}
  3423  }
  3424  func rewriteValueS390X_OpLsh16x32(v *Value, config *Config) bool {
  3425  	b := v.Block
  3426  	_ = b
  3427  	// match: (Lsh16x32 <t> x y)
  3428  	// cond:
  3429  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3430  	for {
  3431  		t := v.Type
  3432  		x := v.Args[0]
  3433  		y := v.Args[1]
  3434  		v.reset(OpS390XANDW)
  3435  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3436  		v0.AddArg(x)
  3437  		v0.AddArg(y)
  3438  		v.AddArg(v0)
  3439  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3440  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3441  		v2.AuxInt = 31
  3442  		v2.AddArg(y)
  3443  		v1.AddArg(v2)
  3444  		v.AddArg(v1)
  3445  		return true
  3446  	}
  3447  }
  3448  func rewriteValueS390X_OpLsh16x64(v *Value, config *Config) bool {
  3449  	b := v.Block
  3450  	_ = b
  3451  	// match: (Lsh16x64 <t> x y)
  3452  	// cond:
  3453  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3454  	for {
  3455  		t := v.Type
  3456  		x := v.Args[0]
  3457  		y := v.Args[1]
  3458  		v.reset(OpS390XANDW)
  3459  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3460  		v0.AddArg(x)
  3461  		v0.AddArg(y)
  3462  		v.AddArg(v0)
  3463  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3464  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3465  		v2.AuxInt = 31
  3466  		v2.AddArg(y)
  3467  		v1.AddArg(v2)
  3468  		v.AddArg(v1)
  3469  		return true
  3470  	}
  3471  }
  3472  func rewriteValueS390X_OpLsh16x8(v *Value, config *Config) bool {
  3473  	b := v.Block
  3474  	_ = b
  3475  	// match: (Lsh16x8  <t> x y)
  3476  	// cond:
  3477  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3478  	for {
  3479  		t := v.Type
  3480  		x := v.Args[0]
  3481  		y := v.Args[1]
  3482  		v.reset(OpS390XANDW)
  3483  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3484  		v0.AddArg(x)
  3485  		v0.AddArg(y)
  3486  		v.AddArg(v0)
  3487  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3488  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3489  		v2.AuxInt = 31
  3490  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3491  		v3.AddArg(y)
  3492  		v2.AddArg(v3)
  3493  		v1.AddArg(v2)
  3494  		v.AddArg(v1)
  3495  		return true
  3496  	}
  3497  }
  3498  func rewriteValueS390X_OpLsh32x16(v *Value, config *Config) bool {
  3499  	b := v.Block
  3500  	_ = b
  3501  	// match: (Lsh32x16 <t> x y)
  3502  	// cond:
  3503  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3504  	for {
  3505  		t := v.Type
  3506  		x := v.Args[0]
  3507  		y := v.Args[1]
  3508  		v.reset(OpS390XANDW)
  3509  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3510  		v0.AddArg(x)
  3511  		v0.AddArg(y)
  3512  		v.AddArg(v0)
  3513  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3514  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3515  		v2.AuxInt = 31
  3516  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3517  		v3.AddArg(y)
  3518  		v2.AddArg(v3)
  3519  		v1.AddArg(v2)
  3520  		v.AddArg(v1)
  3521  		return true
  3522  	}
  3523  }
  3524  func rewriteValueS390X_OpLsh32x32(v *Value, config *Config) bool {
  3525  	b := v.Block
  3526  	_ = b
  3527  	// match: (Lsh32x32 <t> x y)
  3528  	// cond:
  3529  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3530  	for {
  3531  		t := v.Type
  3532  		x := v.Args[0]
  3533  		y := v.Args[1]
  3534  		v.reset(OpS390XANDW)
  3535  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3536  		v0.AddArg(x)
  3537  		v0.AddArg(y)
  3538  		v.AddArg(v0)
  3539  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3540  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3541  		v2.AuxInt = 31
  3542  		v2.AddArg(y)
  3543  		v1.AddArg(v2)
  3544  		v.AddArg(v1)
  3545  		return true
  3546  	}
  3547  }
  3548  func rewriteValueS390X_OpLsh32x64(v *Value, config *Config) bool {
  3549  	b := v.Block
  3550  	_ = b
  3551  	// match: (Lsh32x64 <t> x y)
  3552  	// cond:
  3553  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3554  	for {
  3555  		t := v.Type
  3556  		x := v.Args[0]
  3557  		y := v.Args[1]
  3558  		v.reset(OpS390XANDW)
  3559  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3560  		v0.AddArg(x)
  3561  		v0.AddArg(y)
  3562  		v.AddArg(v0)
  3563  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3564  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3565  		v2.AuxInt = 31
  3566  		v2.AddArg(y)
  3567  		v1.AddArg(v2)
  3568  		v.AddArg(v1)
  3569  		return true
  3570  	}
  3571  }
  3572  func rewriteValueS390X_OpLsh32x8(v *Value, config *Config) bool {
  3573  	b := v.Block
  3574  	_ = b
  3575  	// match: (Lsh32x8  <t> x y)
  3576  	// cond:
  3577  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3578  	for {
  3579  		t := v.Type
  3580  		x := v.Args[0]
  3581  		y := v.Args[1]
  3582  		v.reset(OpS390XANDW)
  3583  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3584  		v0.AddArg(x)
  3585  		v0.AddArg(y)
  3586  		v.AddArg(v0)
  3587  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3588  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3589  		v2.AuxInt = 31
  3590  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3591  		v3.AddArg(y)
  3592  		v2.AddArg(v3)
  3593  		v1.AddArg(v2)
  3594  		v.AddArg(v1)
  3595  		return true
  3596  	}
  3597  }
  3598  func rewriteValueS390X_OpLsh64x16(v *Value, config *Config) bool {
  3599  	b := v.Block
  3600  	_ = b
  3601  	// match: (Lsh64x16 <t> x y)
  3602  	// cond:
  3603  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  3604  	for {
  3605  		t := v.Type
  3606  		x := v.Args[0]
  3607  		y := v.Args[1]
  3608  		v.reset(OpS390XAND)
  3609  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3610  		v0.AddArg(x)
  3611  		v0.AddArg(y)
  3612  		v.AddArg(v0)
  3613  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3614  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3615  		v2.AuxInt = 63
  3616  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3617  		v3.AddArg(y)
  3618  		v2.AddArg(v3)
  3619  		v1.AddArg(v2)
  3620  		v.AddArg(v1)
  3621  		return true
  3622  	}
  3623  }
  3624  func rewriteValueS390X_OpLsh64x32(v *Value, config *Config) bool {
  3625  	b := v.Block
  3626  	_ = b
  3627  	// match: (Lsh64x32 <t> x y)
  3628  	// cond:
  3629  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  3630  	for {
  3631  		t := v.Type
  3632  		x := v.Args[0]
  3633  		y := v.Args[1]
  3634  		v.reset(OpS390XAND)
  3635  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3636  		v0.AddArg(x)
  3637  		v0.AddArg(y)
  3638  		v.AddArg(v0)
  3639  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3640  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3641  		v2.AuxInt = 63
  3642  		v2.AddArg(y)
  3643  		v1.AddArg(v2)
  3644  		v.AddArg(v1)
  3645  		return true
  3646  	}
  3647  }
  3648  func rewriteValueS390X_OpLsh64x64(v *Value, config *Config) bool {
  3649  	b := v.Block
  3650  	_ = b
  3651  	// match: (Lsh64x64 <t> x y)
  3652  	// cond:
  3653  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  3654  	for {
  3655  		t := v.Type
  3656  		x := v.Args[0]
  3657  		y := v.Args[1]
  3658  		v.reset(OpS390XAND)
  3659  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3660  		v0.AddArg(x)
  3661  		v0.AddArg(y)
  3662  		v.AddArg(v0)
  3663  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3664  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3665  		v2.AuxInt = 63
  3666  		v2.AddArg(y)
  3667  		v1.AddArg(v2)
  3668  		v.AddArg(v1)
  3669  		return true
  3670  	}
  3671  }
  3672  func rewriteValueS390X_OpLsh64x8(v *Value, config *Config) bool {
  3673  	b := v.Block
  3674  	_ = b
  3675  	// match: (Lsh64x8  <t> x y)
  3676  	// cond:
  3677  	// result: (AND (SLD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  3678  	for {
  3679  		t := v.Type
  3680  		x := v.Args[0]
  3681  		y := v.Args[1]
  3682  		v.reset(OpS390XAND)
  3683  		v0 := b.NewValue0(v.Line, OpS390XSLD, t)
  3684  		v0.AddArg(x)
  3685  		v0.AddArg(y)
  3686  		v.AddArg(v0)
  3687  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  3688  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3689  		v2.AuxInt = 63
  3690  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3691  		v3.AddArg(y)
  3692  		v2.AddArg(v3)
  3693  		v1.AddArg(v2)
  3694  		v.AddArg(v1)
  3695  		return true
  3696  	}
  3697  }
  3698  func rewriteValueS390X_OpLsh8x16(v *Value, config *Config) bool {
  3699  	b := v.Block
  3700  	_ = b
  3701  	// match: (Lsh8x16 <t> x y)
  3702  	// cond:
  3703  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  3704  	for {
  3705  		t := v.Type
  3706  		x := v.Args[0]
  3707  		y := v.Args[1]
  3708  		v.reset(OpS390XANDW)
  3709  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3710  		v0.AddArg(x)
  3711  		v0.AddArg(y)
  3712  		v.AddArg(v0)
  3713  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3714  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3715  		v2.AuxInt = 31
  3716  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3717  		v3.AddArg(y)
  3718  		v2.AddArg(v3)
  3719  		v1.AddArg(v2)
  3720  		v.AddArg(v1)
  3721  		return true
  3722  	}
  3723  }
  3724  func rewriteValueS390X_OpLsh8x32(v *Value, config *Config) bool {
  3725  	b := v.Block
  3726  	_ = b
  3727  	// match: (Lsh8x32 <t> x y)
  3728  	// cond:
  3729  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  3730  	for {
  3731  		t := v.Type
  3732  		x := v.Args[0]
  3733  		y := v.Args[1]
  3734  		v.reset(OpS390XANDW)
  3735  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3736  		v0.AddArg(x)
  3737  		v0.AddArg(y)
  3738  		v.AddArg(v0)
  3739  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3740  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3741  		v2.AuxInt = 31
  3742  		v2.AddArg(y)
  3743  		v1.AddArg(v2)
  3744  		v.AddArg(v1)
  3745  		return true
  3746  	}
  3747  }
  3748  func rewriteValueS390X_OpLsh8x64(v *Value, config *Config) bool {
  3749  	b := v.Block
  3750  	_ = b
  3751  	// match: (Lsh8x64 <t> x y)
  3752  	// cond:
  3753  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  3754  	for {
  3755  		t := v.Type
  3756  		x := v.Args[0]
  3757  		y := v.Args[1]
  3758  		v.reset(OpS390XANDW)
  3759  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3760  		v0.AddArg(x)
  3761  		v0.AddArg(y)
  3762  		v.AddArg(v0)
  3763  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3764  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  3765  		v2.AuxInt = 31
  3766  		v2.AddArg(y)
  3767  		v1.AddArg(v2)
  3768  		v.AddArg(v1)
  3769  		return true
  3770  	}
  3771  }
  3772  func rewriteValueS390X_OpLsh8x8(v *Value, config *Config) bool {
  3773  	b := v.Block
  3774  	_ = b
  3775  	// match: (Lsh8x8  <t> x y)
  3776  	// cond:
  3777  	// result: (ANDW (SLW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  3778  	for {
  3779  		t := v.Type
  3780  		x := v.Args[0]
  3781  		y := v.Args[1]
  3782  		v.reset(OpS390XANDW)
  3783  		v0 := b.NewValue0(v.Line, OpS390XSLW, t)
  3784  		v0.AddArg(x)
  3785  		v0.AddArg(y)
  3786  		v.AddArg(v0)
  3787  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  3788  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  3789  		v2.AuxInt = 31
  3790  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3791  		v3.AddArg(y)
  3792  		v2.AddArg(v3)
  3793  		v1.AddArg(v2)
  3794  		v.AddArg(v1)
  3795  		return true
  3796  	}
  3797  }
  3798  func rewriteValueS390X_OpMod16(v *Value, config *Config) bool {
  3799  	b := v.Block
  3800  	_ = b
  3801  	// match: (Mod16  x y)
  3802  	// cond:
  3803  	// result: (MODW  (MOVHreg x) (MOVHreg y))
  3804  	for {
  3805  		x := v.Args[0]
  3806  		y := v.Args[1]
  3807  		v.reset(OpS390XMODW)
  3808  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  3809  		v0.AddArg(x)
  3810  		v.AddArg(v0)
  3811  		v1 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  3812  		v1.AddArg(y)
  3813  		v.AddArg(v1)
  3814  		return true
  3815  	}
  3816  }
  3817  func rewriteValueS390X_OpMod16u(v *Value, config *Config) bool {
  3818  	b := v.Block
  3819  	_ = b
  3820  	// match: (Mod16u x y)
  3821  	// cond:
  3822  	// result: (MODWU (MOVHZreg x) (MOVHZreg y))
  3823  	for {
  3824  		x := v.Args[0]
  3825  		y := v.Args[1]
  3826  		v.reset(OpS390XMODWU)
  3827  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3828  		v0.AddArg(x)
  3829  		v.AddArg(v0)
  3830  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  3831  		v1.AddArg(y)
  3832  		v.AddArg(v1)
  3833  		return true
  3834  	}
  3835  }
  3836  func rewriteValueS390X_OpMod32(v *Value, config *Config) bool {
  3837  	b := v.Block
  3838  	_ = b
  3839  	// match: (Mod32  x y)
  3840  	// cond:
  3841  	// result: (MODW  (MOVWreg x) y)
  3842  	for {
  3843  		x := v.Args[0]
  3844  		y := v.Args[1]
  3845  		v.reset(OpS390XMODW)
  3846  		v0 := b.NewValue0(v.Line, OpS390XMOVWreg, config.fe.TypeInt64())
  3847  		v0.AddArg(x)
  3848  		v.AddArg(v0)
  3849  		v.AddArg(y)
  3850  		return true
  3851  	}
  3852  }
  3853  func rewriteValueS390X_OpMod32u(v *Value, config *Config) bool {
  3854  	b := v.Block
  3855  	_ = b
  3856  	// match: (Mod32u x y)
  3857  	// cond:
  3858  	// result: (MODWU (MOVWZreg x) y)
  3859  	for {
  3860  		x := v.Args[0]
  3861  		y := v.Args[1]
  3862  		v.reset(OpS390XMODWU)
  3863  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
  3864  		v0.AddArg(x)
  3865  		v.AddArg(v0)
  3866  		v.AddArg(y)
  3867  		return true
  3868  	}
  3869  }
  3870  func rewriteValueS390X_OpMod64(v *Value, config *Config) bool {
  3871  	b := v.Block
  3872  	_ = b
  3873  	// match: (Mod64  x y)
  3874  	// cond:
  3875  	// result: (MODD  x y)
  3876  	for {
  3877  		x := v.Args[0]
  3878  		y := v.Args[1]
  3879  		v.reset(OpS390XMODD)
  3880  		v.AddArg(x)
  3881  		v.AddArg(y)
  3882  		return true
  3883  	}
  3884  }
  3885  func rewriteValueS390X_OpMod64u(v *Value, config *Config) bool {
  3886  	b := v.Block
  3887  	_ = b
  3888  	// match: (Mod64u x y)
  3889  	// cond:
  3890  	// result: (MODDU x y)
  3891  	for {
  3892  		x := v.Args[0]
  3893  		y := v.Args[1]
  3894  		v.reset(OpS390XMODDU)
  3895  		v.AddArg(x)
  3896  		v.AddArg(y)
  3897  		return true
  3898  	}
  3899  }
  3900  func rewriteValueS390X_OpMod8(v *Value, config *Config) bool {
  3901  	b := v.Block
  3902  	_ = b
  3903  	// match: (Mod8   x y)
  3904  	// cond:
  3905  	// result: (MODW  (MOVBreg x) (MOVBreg y))
  3906  	for {
  3907  		x := v.Args[0]
  3908  		y := v.Args[1]
  3909  		v.reset(OpS390XMODW)
  3910  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3911  		v0.AddArg(x)
  3912  		v.AddArg(v0)
  3913  		v1 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  3914  		v1.AddArg(y)
  3915  		v.AddArg(v1)
  3916  		return true
  3917  	}
  3918  }
  3919  func rewriteValueS390X_OpMod8u(v *Value, config *Config) bool {
  3920  	b := v.Block
  3921  	_ = b
  3922  	// match: (Mod8u  x y)
  3923  	// cond:
  3924  	// result: (MODWU (MOVBZreg x) (MOVBZreg y))
  3925  	for {
  3926  		x := v.Args[0]
  3927  		y := v.Args[1]
  3928  		v.reset(OpS390XMODWU)
  3929  		v0 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3930  		v0.AddArg(x)
  3931  		v.AddArg(v0)
  3932  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  3933  		v1.AddArg(y)
  3934  		v.AddArg(v1)
  3935  		return true
  3936  	}
  3937  }
  3938  func rewriteValueS390X_OpMove(v *Value, config *Config) bool {
  3939  	b := v.Block
  3940  	_ = b
  3941  	// match: (Move [s] _ _ mem)
  3942  	// cond: SizeAndAlign(s).Size() == 0
  3943  	// result: mem
  3944  	for {
  3945  		s := v.AuxInt
  3946  		mem := v.Args[2]
  3947  		if !(SizeAndAlign(s).Size() == 0) {
  3948  			break
  3949  		}
  3950  		v.reset(OpCopy)
  3951  		v.Type = mem.Type
  3952  		v.AddArg(mem)
  3953  		return true
  3954  	}
  3955  	// match: (Move [s] dst src mem)
  3956  	// cond: SizeAndAlign(s).Size() == 1
  3957  	// result: (MOVBstore dst (MOVBZload src mem) mem)
  3958  	for {
  3959  		s := v.AuxInt
  3960  		dst := v.Args[0]
  3961  		src := v.Args[1]
  3962  		mem := v.Args[2]
  3963  		if !(SizeAndAlign(s).Size() == 1) {
  3964  			break
  3965  		}
  3966  		v.reset(OpS390XMOVBstore)
  3967  		v.AddArg(dst)
  3968  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  3969  		v0.AddArg(src)
  3970  		v0.AddArg(mem)
  3971  		v.AddArg(v0)
  3972  		v.AddArg(mem)
  3973  		return true
  3974  	}
  3975  	// match: (Move [s] dst src mem)
  3976  	// cond: SizeAndAlign(s).Size() == 2
  3977  	// result: (MOVHstore dst (MOVHZload src mem) mem)
  3978  	for {
  3979  		s := v.AuxInt
  3980  		dst := v.Args[0]
  3981  		src := v.Args[1]
  3982  		mem := v.Args[2]
  3983  		if !(SizeAndAlign(s).Size() == 2) {
  3984  			break
  3985  		}
  3986  		v.reset(OpS390XMOVHstore)
  3987  		v.AddArg(dst)
  3988  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  3989  		v0.AddArg(src)
  3990  		v0.AddArg(mem)
  3991  		v.AddArg(v0)
  3992  		v.AddArg(mem)
  3993  		return true
  3994  	}
  3995  	// match: (Move [s] dst src mem)
  3996  	// cond: SizeAndAlign(s).Size() == 4
  3997  	// result: (MOVWstore dst (MOVWZload src mem) mem)
  3998  	for {
  3999  		s := v.AuxInt
  4000  		dst := v.Args[0]
  4001  		src := v.Args[1]
  4002  		mem := v.Args[2]
  4003  		if !(SizeAndAlign(s).Size() == 4) {
  4004  			break
  4005  		}
  4006  		v.reset(OpS390XMOVWstore)
  4007  		v.AddArg(dst)
  4008  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4009  		v0.AddArg(src)
  4010  		v0.AddArg(mem)
  4011  		v.AddArg(v0)
  4012  		v.AddArg(mem)
  4013  		return true
  4014  	}
  4015  	// match: (Move [s] dst src mem)
  4016  	// cond: SizeAndAlign(s).Size() == 8
  4017  	// result: (MOVDstore dst (MOVDload src mem) mem)
  4018  	for {
  4019  		s := v.AuxInt
  4020  		dst := v.Args[0]
  4021  		src := v.Args[1]
  4022  		mem := v.Args[2]
  4023  		if !(SizeAndAlign(s).Size() == 8) {
  4024  			break
  4025  		}
  4026  		v.reset(OpS390XMOVDstore)
  4027  		v.AddArg(dst)
  4028  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4029  		v0.AddArg(src)
  4030  		v0.AddArg(mem)
  4031  		v.AddArg(v0)
  4032  		v.AddArg(mem)
  4033  		return true
  4034  	}
  4035  	// match: (Move [s] dst src mem)
  4036  	// cond: SizeAndAlign(s).Size() == 16
  4037  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) 		(MOVDstore dst (MOVDload src mem) mem))
  4038  	for {
  4039  		s := v.AuxInt
  4040  		dst := v.Args[0]
  4041  		src := v.Args[1]
  4042  		mem := v.Args[2]
  4043  		if !(SizeAndAlign(s).Size() == 16) {
  4044  			break
  4045  		}
  4046  		v.reset(OpS390XMOVDstore)
  4047  		v.AuxInt = 8
  4048  		v.AddArg(dst)
  4049  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4050  		v0.AuxInt = 8
  4051  		v0.AddArg(src)
  4052  		v0.AddArg(mem)
  4053  		v.AddArg(v0)
  4054  		v1 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4055  		v1.AddArg(dst)
  4056  		v2 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4057  		v2.AddArg(src)
  4058  		v2.AddArg(mem)
  4059  		v1.AddArg(v2)
  4060  		v1.AddArg(mem)
  4061  		v.AddArg(v1)
  4062  		return true
  4063  	}
  4064  	// match: (Move [s] dst src mem)
  4065  	// cond: SizeAndAlign(s).Size() == 24
  4066  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) 	        (MOVDstore [8] dst (MOVDload [8] src mem)                 (MOVDstore dst (MOVDload src mem) mem)))
  4067  	for {
  4068  		s := v.AuxInt
  4069  		dst := v.Args[0]
  4070  		src := v.Args[1]
  4071  		mem := v.Args[2]
  4072  		if !(SizeAndAlign(s).Size() == 24) {
  4073  			break
  4074  		}
  4075  		v.reset(OpS390XMOVDstore)
  4076  		v.AuxInt = 16
  4077  		v.AddArg(dst)
  4078  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4079  		v0.AuxInt = 16
  4080  		v0.AddArg(src)
  4081  		v0.AddArg(mem)
  4082  		v.AddArg(v0)
  4083  		v1 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4084  		v1.AuxInt = 8
  4085  		v1.AddArg(dst)
  4086  		v2 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4087  		v2.AuxInt = 8
  4088  		v2.AddArg(src)
  4089  		v2.AddArg(mem)
  4090  		v1.AddArg(v2)
  4091  		v3 := b.NewValue0(v.Line, OpS390XMOVDstore, TypeMem)
  4092  		v3.AddArg(dst)
  4093  		v4 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
  4094  		v4.AddArg(src)
  4095  		v4.AddArg(mem)
  4096  		v3.AddArg(v4)
  4097  		v3.AddArg(mem)
  4098  		v1.AddArg(v3)
  4099  		v.AddArg(v1)
  4100  		return true
  4101  	}
  4102  	// match: (Move [s] dst src mem)
  4103  	// cond: SizeAndAlign(s).Size() == 3
  4104  	// result: (MOVBstore [2] dst (MOVBZload [2] src mem) 		(MOVHstore dst (MOVHZload src mem) mem))
  4105  	for {
  4106  		s := v.AuxInt
  4107  		dst := v.Args[0]
  4108  		src := v.Args[1]
  4109  		mem := v.Args[2]
  4110  		if !(SizeAndAlign(s).Size() == 3) {
  4111  			break
  4112  		}
  4113  		v.reset(OpS390XMOVBstore)
  4114  		v.AuxInt = 2
  4115  		v.AddArg(dst)
  4116  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4117  		v0.AuxInt = 2
  4118  		v0.AddArg(src)
  4119  		v0.AddArg(mem)
  4120  		v.AddArg(v0)
  4121  		v1 := b.NewValue0(v.Line, OpS390XMOVHstore, TypeMem)
  4122  		v1.AddArg(dst)
  4123  		v2 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4124  		v2.AddArg(src)
  4125  		v2.AddArg(mem)
  4126  		v1.AddArg(v2)
  4127  		v1.AddArg(mem)
  4128  		v.AddArg(v1)
  4129  		return true
  4130  	}
  4131  	// match: (Move [s] dst src mem)
  4132  	// cond: SizeAndAlign(s).Size() == 5
  4133  	// result: (MOVBstore [4] dst (MOVBZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4134  	for {
  4135  		s := v.AuxInt
  4136  		dst := v.Args[0]
  4137  		src := v.Args[1]
  4138  		mem := v.Args[2]
  4139  		if !(SizeAndAlign(s).Size() == 5) {
  4140  			break
  4141  		}
  4142  		v.reset(OpS390XMOVBstore)
  4143  		v.AuxInt = 4
  4144  		v.AddArg(dst)
  4145  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4146  		v0.AuxInt = 4
  4147  		v0.AddArg(src)
  4148  		v0.AddArg(mem)
  4149  		v.AddArg(v0)
  4150  		v1 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4151  		v1.AddArg(dst)
  4152  		v2 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4153  		v2.AddArg(src)
  4154  		v2.AddArg(mem)
  4155  		v1.AddArg(v2)
  4156  		v1.AddArg(mem)
  4157  		v.AddArg(v1)
  4158  		return true
  4159  	}
  4160  	// match: (Move [s] dst src mem)
  4161  	// cond: SizeAndAlign(s).Size() == 6
  4162  	// result: (MOVHstore [4] dst (MOVHZload [4] src mem) 		(MOVWstore dst (MOVWZload src mem) mem))
  4163  	for {
  4164  		s := v.AuxInt
  4165  		dst := v.Args[0]
  4166  		src := v.Args[1]
  4167  		mem := v.Args[2]
  4168  		if !(SizeAndAlign(s).Size() == 6) {
  4169  			break
  4170  		}
  4171  		v.reset(OpS390XMOVHstore)
  4172  		v.AuxInt = 4
  4173  		v.AddArg(dst)
  4174  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4175  		v0.AuxInt = 4
  4176  		v0.AddArg(src)
  4177  		v0.AddArg(mem)
  4178  		v.AddArg(v0)
  4179  		v1 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4180  		v1.AddArg(dst)
  4181  		v2 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4182  		v2.AddArg(src)
  4183  		v2.AddArg(mem)
  4184  		v1.AddArg(v2)
  4185  		v1.AddArg(mem)
  4186  		v.AddArg(v1)
  4187  		return true
  4188  	}
  4189  	// match: (Move [s] dst src mem)
  4190  	// cond: SizeAndAlign(s).Size() == 7
  4191  	// result: (MOVBstore [6] dst (MOVBZload [6] src mem) 		(MOVHstore [4] dst (MOVHZload [4] src mem) 			(MOVWstore dst (MOVWZload src mem) mem)))
  4192  	for {
  4193  		s := v.AuxInt
  4194  		dst := v.Args[0]
  4195  		src := v.Args[1]
  4196  		mem := v.Args[2]
  4197  		if !(SizeAndAlign(s).Size() == 7) {
  4198  			break
  4199  		}
  4200  		v.reset(OpS390XMOVBstore)
  4201  		v.AuxInt = 6
  4202  		v.AddArg(dst)
  4203  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, config.fe.TypeUInt8())
  4204  		v0.AuxInt = 6
  4205  		v0.AddArg(src)
  4206  		v0.AddArg(mem)
  4207  		v.AddArg(v0)
  4208  		v1 := b.NewValue0(v.Line, OpS390XMOVHstore, TypeMem)
  4209  		v1.AuxInt = 4
  4210  		v1.AddArg(dst)
  4211  		v2 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
  4212  		v2.AuxInt = 4
  4213  		v2.AddArg(src)
  4214  		v2.AddArg(mem)
  4215  		v1.AddArg(v2)
  4216  		v3 := b.NewValue0(v.Line, OpS390XMOVWstore, TypeMem)
  4217  		v3.AddArg(dst)
  4218  		v4 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
  4219  		v4.AddArg(src)
  4220  		v4.AddArg(mem)
  4221  		v3.AddArg(v4)
  4222  		v3.AddArg(mem)
  4223  		v1.AddArg(v3)
  4224  		v.AddArg(v1)
  4225  		return true
  4226  	}
  4227  	// match: (Move [s] dst src mem)
  4228  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256
  4229  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size(), 0)] dst src mem)
  4230  	for {
  4231  		s := v.AuxInt
  4232  		dst := v.Args[0]
  4233  		src := v.Args[1]
  4234  		mem := v.Args[2]
  4235  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 256) {
  4236  			break
  4237  		}
  4238  		v.reset(OpS390XMVC)
  4239  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
  4240  		v.AddArg(dst)
  4241  		v.AddArg(src)
  4242  		v.AddArg(mem)
  4243  		return true
  4244  	}
  4245  	// match: (Move [s] dst src mem)
  4246  	// cond: SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512
  4247  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))
  4248  	for {
  4249  		s := v.AuxInt
  4250  		dst := v.Args[0]
  4251  		src := v.Args[1]
  4252  		mem := v.Args[2]
  4253  		if !(SizeAndAlign(s).Size() > 256 && SizeAndAlign(s).Size() <= 512) {
  4254  			break
  4255  		}
  4256  		v.reset(OpS390XMVC)
  4257  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-256, 256)
  4258  		v.AddArg(dst)
  4259  		v.AddArg(src)
  4260  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4261  		v0.AuxInt = makeValAndOff(256, 0)
  4262  		v0.AddArg(dst)
  4263  		v0.AddArg(src)
  4264  		v0.AddArg(mem)
  4265  		v.AddArg(v0)
  4266  		return true
  4267  	}
  4268  	// match: (Move [s] dst src mem)
  4269  	// cond: SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768
  4270  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-512, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem)))
  4271  	for {
  4272  		s := v.AuxInt
  4273  		dst := v.Args[0]
  4274  		src := v.Args[1]
  4275  		mem := v.Args[2]
  4276  		if !(SizeAndAlign(s).Size() > 512 && SizeAndAlign(s).Size() <= 768) {
  4277  			break
  4278  		}
  4279  		v.reset(OpS390XMVC)
  4280  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-512, 512)
  4281  		v.AddArg(dst)
  4282  		v.AddArg(src)
  4283  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4284  		v0.AuxInt = makeValAndOff(256, 256)
  4285  		v0.AddArg(dst)
  4286  		v0.AddArg(src)
  4287  		v1 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4288  		v1.AuxInt = makeValAndOff(256, 0)
  4289  		v1.AddArg(dst)
  4290  		v1.AddArg(src)
  4291  		v1.AddArg(mem)
  4292  		v0.AddArg(v1)
  4293  		v.AddArg(v0)
  4294  		return true
  4295  	}
  4296  	// match: (Move [s] dst src mem)
  4297  	// cond: SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024
  4298  	// result: (MVC [makeValAndOff(SizeAndAlign(s).Size()-768, 768)] dst src (MVC [makeValAndOff(256, 512)] dst src (MVC [makeValAndOff(256, 256)] dst src (MVC [makeValAndOff(256, 0)] dst src mem))))
  4299  	for {
  4300  		s := v.AuxInt
  4301  		dst := v.Args[0]
  4302  		src := v.Args[1]
  4303  		mem := v.Args[2]
  4304  		if !(SizeAndAlign(s).Size() > 768 && SizeAndAlign(s).Size() <= 1024) {
  4305  			break
  4306  		}
  4307  		v.reset(OpS390XMVC)
  4308  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size()-768, 768)
  4309  		v.AddArg(dst)
  4310  		v.AddArg(src)
  4311  		v0 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4312  		v0.AuxInt = makeValAndOff(256, 512)
  4313  		v0.AddArg(dst)
  4314  		v0.AddArg(src)
  4315  		v1 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4316  		v1.AuxInt = makeValAndOff(256, 256)
  4317  		v1.AddArg(dst)
  4318  		v1.AddArg(src)
  4319  		v2 := b.NewValue0(v.Line, OpS390XMVC, TypeMem)
  4320  		v2.AuxInt = makeValAndOff(256, 0)
  4321  		v2.AddArg(dst)
  4322  		v2.AddArg(src)
  4323  		v2.AddArg(mem)
  4324  		v1.AddArg(v2)
  4325  		v0.AddArg(v1)
  4326  		v.AddArg(v0)
  4327  		return true
  4328  	}
  4329  	// match: (Move [s] dst src mem)
  4330  	// cond: SizeAndAlign(s).Size() > 1024
  4331  	// result: (LoweredMove [SizeAndAlign(s).Size()%256] dst src (ADDconst <src.Type> src [(SizeAndAlign(s).Size()/256)*256]) mem)
  4332  	for {
  4333  		s := v.AuxInt
  4334  		dst := v.Args[0]
  4335  		src := v.Args[1]
  4336  		mem := v.Args[2]
  4337  		if !(SizeAndAlign(s).Size() > 1024) {
  4338  			break
  4339  		}
  4340  		v.reset(OpS390XLoweredMove)
  4341  		v.AuxInt = SizeAndAlign(s).Size() % 256
  4342  		v.AddArg(dst)
  4343  		v.AddArg(src)
  4344  		v0 := b.NewValue0(v.Line, OpS390XADDconst, src.Type)
  4345  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
  4346  		v0.AddArg(src)
  4347  		v.AddArg(v0)
  4348  		v.AddArg(mem)
  4349  		return true
  4350  	}
  4351  	return false
  4352  }
  4353  func rewriteValueS390X_OpMul16(v *Value, config *Config) bool {
  4354  	b := v.Block
  4355  	_ = b
  4356  	// match: (Mul16  x y)
  4357  	// cond:
  4358  	// result: (MULLW  x y)
  4359  	for {
  4360  		x := v.Args[0]
  4361  		y := v.Args[1]
  4362  		v.reset(OpS390XMULLW)
  4363  		v.AddArg(x)
  4364  		v.AddArg(y)
  4365  		return true
  4366  	}
  4367  }
  4368  func rewriteValueS390X_OpMul32(v *Value, config *Config) bool {
  4369  	b := v.Block
  4370  	_ = b
  4371  	// match: (Mul32  x y)
  4372  	// cond:
  4373  	// result: (MULLW  x y)
  4374  	for {
  4375  		x := v.Args[0]
  4376  		y := v.Args[1]
  4377  		v.reset(OpS390XMULLW)
  4378  		v.AddArg(x)
  4379  		v.AddArg(y)
  4380  		return true
  4381  	}
  4382  }
  4383  func rewriteValueS390X_OpMul32F(v *Value, config *Config) bool {
  4384  	b := v.Block
  4385  	_ = b
  4386  	// match: (Mul32F x y)
  4387  	// cond:
  4388  	// result: (FMULS x y)
  4389  	for {
  4390  		x := v.Args[0]
  4391  		y := v.Args[1]
  4392  		v.reset(OpS390XFMULS)
  4393  		v.AddArg(x)
  4394  		v.AddArg(y)
  4395  		return true
  4396  	}
  4397  }
  4398  func rewriteValueS390X_OpMul64(v *Value, config *Config) bool {
  4399  	b := v.Block
  4400  	_ = b
  4401  	// match: (Mul64  x y)
  4402  	// cond:
  4403  	// result: (MULLD  x y)
  4404  	for {
  4405  		x := v.Args[0]
  4406  		y := v.Args[1]
  4407  		v.reset(OpS390XMULLD)
  4408  		v.AddArg(x)
  4409  		v.AddArg(y)
  4410  		return true
  4411  	}
  4412  }
  4413  func rewriteValueS390X_OpMul64F(v *Value, config *Config) bool {
  4414  	b := v.Block
  4415  	_ = b
  4416  	// match: (Mul64F x y)
  4417  	// cond:
  4418  	// result: (FMUL x y)
  4419  	for {
  4420  		x := v.Args[0]
  4421  		y := v.Args[1]
  4422  		v.reset(OpS390XFMUL)
  4423  		v.AddArg(x)
  4424  		v.AddArg(y)
  4425  		return true
  4426  	}
  4427  }
  4428  func rewriteValueS390X_OpMul8(v *Value, config *Config) bool {
  4429  	b := v.Block
  4430  	_ = b
  4431  	// match: (Mul8   x y)
  4432  	// cond:
  4433  	// result: (MULLW  x y)
  4434  	for {
  4435  		x := v.Args[0]
  4436  		y := v.Args[1]
  4437  		v.reset(OpS390XMULLW)
  4438  		v.AddArg(x)
  4439  		v.AddArg(y)
  4440  		return true
  4441  	}
  4442  }
  4443  func rewriteValueS390X_OpNeg16(v *Value, config *Config) bool {
  4444  	b := v.Block
  4445  	_ = b
  4446  	// match: (Neg16  x)
  4447  	// cond:
  4448  	// result: (NEGW (MOVHreg x))
  4449  	for {
  4450  		x := v.Args[0]
  4451  		v.reset(OpS390XNEGW)
  4452  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4453  		v0.AddArg(x)
  4454  		v.AddArg(v0)
  4455  		return true
  4456  	}
  4457  }
  4458  func rewriteValueS390X_OpNeg32(v *Value, config *Config) bool {
  4459  	b := v.Block
  4460  	_ = b
  4461  	// match: (Neg32  x)
  4462  	// cond:
  4463  	// result: (NEGW x)
  4464  	for {
  4465  		x := v.Args[0]
  4466  		v.reset(OpS390XNEGW)
  4467  		v.AddArg(x)
  4468  		return true
  4469  	}
  4470  }
  4471  func rewriteValueS390X_OpNeg32F(v *Value, config *Config) bool {
  4472  	b := v.Block
  4473  	_ = b
  4474  	// match: (Neg32F x)
  4475  	// cond:
  4476  	// result: (FNEGS x)
  4477  	for {
  4478  		x := v.Args[0]
  4479  		v.reset(OpS390XFNEGS)
  4480  		v.AddArg(x)
  4481  		return true
  4482  	}
  4483  }
  4484  func rewriteValueS390X_OpNeg64(v *Value, config *Config) bool {
  4485  	b := v.Block
  4486  	_ = b
  4487  	// match: (Neg64  x)
  4488  	// cond:
  4489  	// result: (NEG x)
  4490  	for {
  4491  		x := v.Args[0]
  4492  		v.reset(OpS390XNEG)
  4493  		v.AddArg(x)
  4494  		return true
  4495  	}
  4496  }
  4497  func rewriteValueS390X_OpNeg64F(v *Value, config *Config) bool {
  4498  	b := v.Block
  4499  	_ = b
  4500  	// match: (Neg64F x)
  4501  	// cond:
  4502  	// result: (FNEG x)
  4503  	for {
  4504  		x := v.Args[0]
  4505  		v.reset(OpS390XFNEG)
  4506  		v.AddArg(x)
  4507  		return true
  4508  	}
  4509  }
  4510  func rewriteValueS390X_OpNeg8(v *Value, config *Config) bool {
  4511  	b := v.Block
  4512  	_ = b
  4513  	// match: (Neg8   x)
  4514  	// cond:
  4515  	// result: (NEGW (MOVBreg x))
  4516  	for {
  4517  		x := v.Args[0]
  4518  		v.reset(OpS390XNEGW)
  4519  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4520  		v0.AddArg(x)
  4521  		v.AddArg(v0)
  4522  		return true
  4523  	}
  4524  }
  4525  func rewriteValueS390X_OpNeq16(v *Value, config *Config) bool {
  4526  	b := v.Block
  4527  	_ = b
  4528  	// match: (Neq16  x y)
  4529  	// cond:
  4530  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVHreg x) (MOVHreg y)))
  4531  	for {
  4532  		x := v.Args[0]
  4533  		y := v.Args[1]
  4534  		v.reset(OpS390XMOVDNE)
  4535  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4536  		v0.AuxInt = 0
  4537  		v.AddArg(v0)
  4538  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4539  		v1.AuxInt = 1
  4540  		v.AddArg(v1)
  4541  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4542  		v3 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4543  		v3.AddArg(x)
  4544  		v2.AddArg(v3)
  4545  		v4 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4546  		v4.AddArg(y)
  4547  		v2.AddArg(v4)
  4548  		v.AddArg(v2)
  4549  		return true
  4550  	}
  4551  }
  4552  func rewriteValueS390X_OpNeq32(v *Value, config *Config) bool {
  4553  	b := v.Block
  4554  	_ = b
  4555  	// match: (Neq32  x y)
  4556  	// cond:
  4557  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMPW x y))
  4558  	for {
  4559  		x := v.Args[0]
  4560  		y := v.Args[1]
  4561  		v.reset(OpS390XMOVDNE)
  4562  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4563  		v0.AuxInt = 0
  4564  		v.AddArg(v0)
  4565  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4566  		v1.AuxInt = 1
  4567  		v.AddArg(v1)
  4568  		v2 := b.NewValue0(v.Line, OpS390XCMPW, TypeFlags)
  4569  		v2.AddArg(x)
  4570  		v2.AddArg(y)
  4571  		v.AddArg(v2)
  4572  		return true
  4573  	}
  4574  }
  4575  func rewriteValueS390X_OpNeq32F(v *Value, config *Config) bool {
  4576  	b := v.Block
  4577  	_ = b
  4578  	// match: (Neq32F x y)
  4579  	// cond:
  4580  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMPS x y))
  4581  	for {
  4582  		x := v.Args[0]
  4583  		y := v.Args[1]
  4584  		v.reset(OpS390XMOVDNE)
  4585  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4586  		v0.AuxInt = 0
  4587  		v.AddArg(v0)
  4588  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4589  		v1.AuxInt = 1
  4590  		v.AddArg(v1)
  4591  		v2 := b.NewValue0(v.Line, OpS390XFCMPS, TypeFlags)
  4592  		v2.AddArg(x)
  4593  		v2.AddArg(y)
  4594  		v.AddArg(v2)
  4595  		return true
  4596  	}
  4597  }
  4598  func rewriteValueS390X_OpNeq64(v *Value, config *Config) bool {
  4599  	b := v.Block
  4600  	_ = b
  4601  	// match: (Neq64  x y)
  4602  	// cond:
  4603  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4604  	for {
  4605  		x := v.Args[0]
  4606  		y := v.Args[1]
  4607  		v.reset(OpS390XMOVDNE)
  4608  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4609  		v0.AuxInt = 0
  4610  		v.AddArg(v0)
  4611  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4612  		v1.AuxInt = 1
  4613  		v.AddArg(v1)
  4614  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4615  		v2.AddArg(x)
  4616  		v2.AddArg(y)
  4617  		v.AddArg(v2)
  4618  		return true
  4619  	}
  4620  }
  4621  func rewriteValueS390X_OpNeq64F(v *Value, config *Config) bool {
  4622  	b := v.Block
  4623  	_ = b
  4624  	// match: (Neq64F x y)
  4625  	// cond:
  4626  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (FCMP x y))
  4627  	for {
  4628  		x := v.Args[0]
  4629  		y := v.Args[1]
  4630  		v.reset(OpS390XMOVDNE)
  4631  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4632  		v0.AuxInt = 0
  4633  		v.AddArg(v0)
  4634  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4635  		v1.AuxInt = 1
  4636  		v.AddArg(v1)
  4637  		v2 := b.NewValue0(v.Line, OpS390XFCMP, TypeFlags)
  4638  		v2.AddArg(x)
  4639  		v2.AddArg(y)
  4640  		v.AddArg(v2)
  4641  		return true
  4642  	}
  4643  }
  4644  func rewriteValueS390X_OpNeq8(v *Value, config *Config) bool {
  4645  	b := v.Block
  4646  	_ = b
  4647  	// match: (Neq8   x y)
  4648  	// cond:
  4649  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4650  	for {
  4651  		x := v.Args[0]
  4652  		y := v.Args[1]
  4653  		v.reset(OpS390XMOVDNE)
  4654  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4655  		v0.AuxInt = 0
  4656  		v.AddArg(v0)
  4657  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4658  		v1.AuxInt = 1
  4659  		v.AddArg(v1)
  4660  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4661  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4662  		v3.AddArg(x)
  4663  		v2.AddArg(v3)
  4664  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4665  		v4.AddArg(y)
  4666  		v2.AddArg(v4)
  4667  		v.AddArg(v2)
  4668  		return true
  4669  	}
  4670  }
  4671  func rewriteValueS390X_OpNeqB(v *Value, config *Config) bool {
  4672  	b := v.Block
  4673  	_ = b
  4674  	// match: (NeqB   x y)
  4675  	// cond:
  4676  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP (MOVBreg x) (MOVBreg y)))
  4677  	for {
  4678  		x := v.Args[0]
  4679  		y := v.Args[1]
  4680  		v.reset(OpS390XMOVDNE)
  4681  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4682  		v0.AuxInt = 0
  4683  		v.AddArg(v0)
  4684  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4685  		v1.AuxInt = 1
  4686  		v.AddArg(v1)
  4687  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4688  		v3 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4689  		v3.AddArg(x)
  4690  		v2.AddArg(v3)
  4691  		v4 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  4692  		v4.AddArg(y)
  4693  		v2.AddArg(v4)
  4694  		v.AddArg(v2)
  4695  		return true
  4696  	}
  4697  }
  4698  func rewriteValueS390X_OpNeqPtr(v *Value, config *Config) bool {
  4699  	b := v.Block
  4700  	_ = b
  4701  	// match: (NeqPtr x y)
  4702  	// cond:
  4703  	// result: (MOVDNE (MOVDconst [0]) (MOVDconst [1]) (CMP x y))
  4704  	for {
  4705  		x := v.Args[0]
  4706  		y := v.Args[1]
  4707  		v.reset(OpS390XMOVDNE)
  4708  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4709  		v0.AuxInt = 0
  4710  		v.AddArg(v0)
  4711  		v1 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4712  		v1.AuxInt = 1
  4713  		v.AddArg(v1)
  4714  		v2 := b.NewValue0(v.Line, OpS390XCMP, TypeFlags)
  4715  		v2.AddArg(x)
  4716  		v2.AddArg(y)
  4717  		v.AddArg(v2)
  4718  		return true
  4719  	}
  4720  }
  4721  func rewriteValueS390X_OpNilCheck(v *Value, config *Config) bool {
  4722  	b := v.Block
  4723  	_ = b
  4724  	// match: (NilCheck ptr mem)
  4725  	// cond:
  4726  	// result: (LoweredNilCheck ptr mem)
  4727  	for {
  4728  		ptr := v.Args[0]
  4729  		mem := v.Args[1]
  4730  		v.reset(OpS390XLoweredNilCheck)
  4731  		v.AddArg(ptr)
  4732  		v.AddArg(mem)
  4733  		return true
  4734  	}
  4735  }
  4736  func rewriteValueS390X_OpNot(v *Value, config *Config) bool {
  4737  	b := v.Block
  4738  	_ = b
  4739  	// match: (Not x)
  4740  	// cond:
  4741  	// result: (XORWconst [1] x)
  4742  	for {
  4743  		x := v.Args[0]
  4744  		v.reset(OpS390XXORWconst)
  4745  		v.AuxInt = 1
  4746  		v.AddArg(x)
  4747  		return true
  4748  	}
  4749  }
  4750  func rewriteValueS390X_OpOffPtr(v *Value, config *Config) bool {
  4751  	b := v.Block
  4752  	_ = b
  4753  	// match: (OffPtr [off] ptr:(SP))
  4754  	// cond:
  4755  	// result: (MOVDaddr [off] ptr)
  4756  	for {
  4757  		off := v.AuxInt
  4758  		ptr := v.Args[0]
  4759  		if ptr.Op != OpSP {
  4760  			break
  4761  		}
  4762  		v.reset(OpS390XMOVDaddr)
  4763  		v.AuxInt = off
  4764  		v.AddArg(ptr)
  4765  		return true
  4766  	}
  4767  	// match: (OffPtr [off] ptr)
  4768  	// cond: is32Bit(off)
  4769  	// result: (ADDconst [off] ptr)
  4770  	for {
  4771  		off := v.AuxInt
  4772  		ptr := v.Args[0]
  4773  		if !(is32Bit(off)) {
  4774  			break
  4775  		}
  4776  		v.reset(OpS390XADDconst)
  4777  		v.AuxInt = off
  4778  		v.AddArg(ptr)
  4779  		return true
  4780  	}
  4781  	// match: (OffPtr [off] ptr)
  4782  	// cond:
  4783  	// result: (ADD (MOVDconst [off]) ptr)
  4784  	for {
  4785  		off := v.AuxInt
  4786  		ptr := v.Args[0]
  4787  		v.reset(OpS390XADD)
  4788  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
  4789  		v0.AuxInt = off
  4790  		v.AddArg(v0)
  4791  		v.AddArg(ptr)
  4792  		return true
  4793  	}
  4794  }
  4795  func rewriteValueS390X_OpOr16(v *Value, config *Config) bool {
  4796  	b := v.Block
  4797  	_ = b
  4798  	// match: (Or16 x y)
  4799  	// cond:
  4800  	// result: (ORW x y)
  4801  	for {
  4802  		x := v.Args[0]
  4803  		y := v.Args[1]
  4804  		v.reset(OpS390XORW)
  4805  		v.AddArg(x)
  4806  		v.AddArg(y)
  4807  		return true
  4808  	}
  4809  }
  4810  func rewriteValueS390X_OpOr32(v *Value, config *Config) bool {
  4811  	b := v.Block
  4812  	_ = b
  4813  	// match: (Or32 x y)
  4814  	// cond:
  4815  	// result: (ORW x y)
  4816  	for {
  4817  		x := v.Args[0]
  4818  		y := v.Args[1]
  4819  		v.reset(OpS390XORW)
  4820  		v.AddArg(x)
  4821  		v.AddArg(y)
  4822  		return true
  4823  	}
  4824  }
  4825  func rewriteValueS390X_OpOr64(v *Value, config *Config) bool {
  4826  	b := v.Block
  4827  	_ = b
  4828  	// match: (Or64 x y)
  4829  	// cond:
  4830  	// result: (OR x y)
  4831  	for {
  4832  		x := v.Args[0]
  4833  		y := v.Args[1]
  4834  		v.reset(OpS390XOR)
  4835  		v.AddArg(x)
  4836  		v.AddArg(y)
  4837  		return true
  4838  	}
  4839  }
  4840  func rewriteValueS390X_OpOr8(v *Value, config *Config) bool {
  4841  	b := v.Block
  4842  	_ = b
  4843  	// match: (Or8  x y)
  4844  	// cond:
  4845  	// result: (ORW x y)
  4846  	for {
  4847  		x := v.Args[0]
  4848  		y := v.Args[1]
  4849  		v.reset(OpS390XORW)
  4850  		v.AddArg(x)
  4851  		v.AddArg(y)
  4852  		return true
  4853  	}
  4854  }
  4855  func rewriteValueS390X_OpOrB(v *Value, config *Config) bool {
  4856  	b := v.Block
  4857  	_ = b
  4858  	// match: (OrB x y)
  4859  	// cond:
  4860  	// result: (ORW x y)
  4861  	for {
  4862  		x := v.Args[0]
  4863  		y := v.Args[1]
  4864  		v.reset(OpS390XORW)
  4865  		v.AddArg(x)
  4866  		v.AddArg(y)
  4867  		return true
  4868  	}
  4869  }
  4870  func rewriteValueS390X_OpRsh16Ux16(v *Value, config *Config) bool {
  4871  	b := v.Block
  4872  	_ = b
  4873  	// match: (Rsh16Ux16 <t> x y)
  4874  	// cond:
  4875  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [15])))
  4876  	for {
  4877  		t := v.Type
  4878  		x := v.Args[0]
  4879  		y := v.Args[1]
  4880  		v.reset(OpS390XANDW)
  4881  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4882  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4883  		v1.AddArg(x)
  4884  		v0.AddArg(v1)
  4885  		v0.AddArg(y)
  4886  		v.AddArg(v0)
  4887  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4888  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4889  		v3.AuxInt = 15
  4890  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4891  		v4.AddArg(y)
  4892  		v3.AddArg(v4)
  4893  		v2.AddArg(v3)
  4894  		v.AddArg(v2)
  4895  		return true
  4896  	}
  4897  }
  4898  func rewriteValueS390X_OpRsh16Ux32(v *Value, config *Config) bool {
  4899  	b := v.Block
  4900  	_ = b
  4901  	// match: (Rsh16Ux32 <t> x y)
  4902  	// cond:
  4903  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [15])))
  4904  	for {
  4905  		t := v.Type
  4906  		x := v.Args[0]
  4907  		y := v.Args[1]
  4908  		v.reset(OpS390XANDW)
  4909  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4910  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4911  		v1.AddArg(x)
  4912  		v0.AddArg(v1)
  4913  		v0.AddArg(y)
  4914  		v.AddArg(v0)
  4915  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4916  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4917  		v3.AuxInt = 15
  4918  		v3.AddArg(y)
  4919  		v2.AddArg(v3)
  4920  		v.AddArg(v2)
  4921  		return true
  4922  	}
  4923  }
  4924  func rewriteValueS390X_OpRsh16Ux64(v *Value, config *Config) bool {
  4925  	b := v.Block
  4926  	_ = b
  4927  	// match: (Rsh16Ux64 <t> x y)
  4928  	// cond:
  4929  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [15])))
  4930  	for {
  4931  		t := v.Type
  4932  		x := v.Args[0]
  4933  		y := v.Args[1]
  4934  		v.reset(OpS390XANDW)
  4935  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4936  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4937  		v1.AddArg(x)
  4938  		v0.AddArg(v1)
  4939  		v0.AddArg(y)
  4940  		v.AddArg(v0)
  4941  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4942  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  4943  		v3.AuxInt = 15
  4944  		v3.AddArg(y)
  4945  		v2.AddArg(v3)
  4946  		v.AddArg(v2)
  4947  		return true
  4948  	}
  4949  }
  4950  func rewriteValueS390X_OpRsh16Ux8(v *Value, config *Config) bool {
  4951  	b := v.Block
  4952  	_ = b
  4953  	// match: (Rsh16Ux8  <t> x y)
  4954  	// cond:
  4955  	// result: (ANDW (SRW <t> (MOVHZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [15])))
  4956  	for {
  4957  		t := v.Type
  4958  		x := v.Args[0]
  4959  		y := v.Args[1]
  4960  		v.reset(OpS390XANDW)
  4961  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  4962  		v1 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  4963  		v1.AddArg(x)
  4964  		v0.AddArg(v1)
  4965  		v0.AddArg(y)
  4966  		v.AddArg(v0)
  4967  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  4968  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4969  		v3.AuxInt = 15
  4970  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  4971  		v4.AddArg(y)
  4972  		v3.AddArg(v4)
  4973  		v2.AddArg(v3)
  4974  		v.AddArg(v2)
  4975  		return true
  4976  	}
  4977  }
  4978  func rewriteValueS390X_OpRsh16x16(v *Value, config *Config) bool {
  4979  	b := v.Block
  4980  	_ = b
  4981  	// match: (Rsh16x16 <t> x y)
  4982  	// cond:
  4983  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [15])))))
  4984  	for {
  4985  		t := v.Type
  4986  		x := v.Args[0]
  4987  		y := v.Args[1]
  4988  		v.reset(OpS390XSRAW)
  4989  		v.Type = t
  4990  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  4991  		v0.AddArg(x)
  4992  		v.AddArg(v0)
  4993  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  4994  		v1.AddArg(y)
  4995  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  4996  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  4997  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  4998  		v4.AuxInt = 15
  4999  		v5 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5000  		v5.AddArg(y)
  5001  		v4.AddArg(v5)
  5002  		v3.AddArg(v4)
  5003  		v2.AddArg(v3)
  5004  		v1.AddArg(v2)
  5005  		v.AddArg(v1)
  5006  		return true
  5007  	}
  5008  }
  5009  func rewriteValueS390X_OpRsh16x32(v *Value, config *Config) bool {
  5010  	b := v.Block
  5011  	_ = b
  5012  	// match: (Rsh16x32 <t> x y)
  5013  	// cond:
  5014  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [15])))))
  5015  	for {
  5016  		t := v.Type
  5017  		x := v.Args[0]
  5018  		y := v.Args[1]
  5019  		v.reset(OpS390XSRAW)
  5020  		v.Type = t
  5021  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5022  		v0.AddArg(x)
  5023  		v.AddArg(v0)
  5024  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5025  		v1.AddArg(y)
  5026  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5027  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5028  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5029  		v4.AuxInt = 15
  5030  		v4.AddArg(y)
  5031  		v3.AddArg(v4)
  5032  		v2.AddArg(v3)
  5033  		v1.AddArg(v2)
  5034  		v.AddArg(v1)
  5035  		return true
  5036  	}
  5037  }
  5038  func rewriteValueS390X_OpRsh16x64(v *Value, config *Config) bool {
  5039  	b := v.Block
  5040  	_ = b
  5041  	// match: (Rsh16x64 <t> x y)
  5042  	// cond:
  5043  	// result: (SRAW <t> (MOVHreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [15])))))
  5044  	for {
  5045  		t := v.Type
  5046  		x := v.Args[0]
  5047  		y := v.Args[1]
  5048  		v.reset(OpS390XSRAW)
  5049  		v.Type = t
  5050  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5051  		v0.AddArg(x)
  5052  		v.AddArg(v0)
  5053  		v1 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5054  		v1.AddArg(y)
  5055  		v2 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5056  		v3 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5057  		v4 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5058  		v4.AuxInt = 15
  5059  		v4.AddArg(y)
  5060  		v3.AddArg(v4)
  5061  		v2.AddArg(v3)
  5062  		v1.AddArg(v2)
  5063  		v.AddArg(v1)
  5064  		return true
  5065  	}
  5066  }
  5067  func rewriteValueS390X_OpRsh16x8(v *Value, config *Config) bool {
  5068  	b := v.Block
  5069  	_ = b
  5070  	// match: (Rsh16x8  <t> x y)
  5071  	// cond:
  5072  	// result: (SRAW <t> (MOVHreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [15])))))
  5073  	for {
  5074  		t := v.Type
  5075  		x := v.Args[0]
  5076  		y := v.Args[1]
  5077  		v.reset(OpS390XSRAW)
  5078  		v.Type = t
  5079  		v0 := b.NewValue0(v.Line, OpS390XMOVHreg, config.fe.TypeInt64())
  5080  		v0.AddArg(x)
  5081  		v.AddArg(v0)
  5082  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5083  		v1.AddArg(y)
  5084  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5085  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5086  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5087  		v4.AuxInt = 15
  5088  		v5 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5089  		v5.AddArg(y)
  5090  		v4.AddArg(v5)
  5091  		v3.AddArg(v4)
  5092  		v2.AddArg(v3)
  5093  		v1.AddArg(v2)
  5094  		v.AddArg(v1)
  5095  		return true
  5096  	}
  5097  }
  5098  func rewriteValueS390X_OpRsh32Ux16(v *Value, config *Config) bool {
  5099  	b := v.Block
  5100  	_ = b
  5101  	// match: (Rsh32Ux16 <t> x y)
  5102  	// cond:
  5103  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [31])))
  5104  	for {
  5105  		t := v.Type
  5106  		x := v.Args[0]
  5107  		y := v.Args[1]
  5108  		v.reset(OpS390XANDW)
  5109  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5110  		v0.AddArg(x)
  5111  		v0.AddArg(y)
  5112  		v.AddArg(v0)
  5113  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5114  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5115  		v2.AuxInt = 31
  5116  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5117  		v3.AddArg(y)
  5118  		v2.AddArg(v3)
  5119  		v1.AddArg(v2)
  5120  		v.AddArg(v1)
  5121  		return true
  5122  	}
  5123  }
  5124  func rewriteValueS390X_OpRsh32Ux32(v *Value, config *Config) bool {
  5125  	b := v.Block
  5126  	_ = b
  5127  	// match: (Rsh32Ux32 <t> x y)
  5128  	// cond:
  5129  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst y [31])))
  5130  	for {
  5131  		t := v.Type
  5132  		x := v.Args[0]
  5133  		y := v.Args[1]
  5134  		v.reset(OpS390XANDW)
  5135  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5136  		v0.AddArg(x)
  5137  		v0.AddArg(y)
  5138  		v.AddArg(v0)
  5139  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5140  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5141  		v2.AuxInt = 31
  5142  		v2.AddArg(y)
  5143  		v1.AddArg(v2)
  5144  		v.AddArg(v1)
  5145  		return true
  5146  	}
  5147  }
  5148  func rewriteValueS390X_OpRsh32Ux64(v *Value, config *Config) bool {
  5149  	b := v.Block
  5150  	_ = b
  5151  	// match: (Rsh32Ux64 <t> x y)
  5152  	// cond:
  5153  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPUconst y [31])))
  5154  	for {
  5155  		t := v.Type
  5156  		x := v.Args[0]
  5157  		y := v.Args[1]
  5158  		v.reset(OpS390XANDW)
  5159  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5160  		v0.AddArg(x)
  5161  		v0.AddArg(y)
  5162  		v.AddArg(v0)
  5163  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5164  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5165  		v2.AuxInt = 31
  5166  		v2.AddArg(y)
  5167  		v1.AddArg(v2)
  5168  		v.AddArg(v1)
  5169  		return true
  5170  	}
  5171  }
  5172  func rewriteValueS390X_OpRsh32Ux8(v *Value, config *Config) bool {
  5173  	b := v.Block
  5174  	_ = b
  5175  	// match: (Rsh32Ux8  <t> x y)
  5176  	// cond:
  5177  	// result: (ANDW (SRW <t> x y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [31])))
  5178  	for {
  5179  		t := v.Type
  5180  		x := v.Args[0]
  5181  		y := v.Args[1]
  5182  		v.reset(OpS390XANDW)
  5183  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5184  		v0.AddArg(x)
  5185  		v0.AddArg(y)
  5186  		v.AddArg(v0)
  5187  		v1 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5188  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5189  		v2.AuxInt = 31
  5190  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5191  		v3.AddArg(y)
  5192  		v2.AddArg(v3)
  5193  		v1.AddArg(v2)
  5194  		v.AddArg(v1)
  5195  		return true
  5196  	}
  5197  }
  5198  func rewriteValueS390X_OpRsh32x16(v *Value, config *Config) bool {
  5199  	b := v.Block
  5200  	_ = b
  5201  	// match: (Rsh32x16 <t> x y)
  5202  	// cond:
  5203  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [31])))))
  5204  	for {
  5205  		t := v.Type
  5206  		x := v.Args[0]
  5207  		y := v.Args[1]
  5208  		v.reset(OpS390XSRAW)
  5209  		v.Type = t
  5210  		v.AddArg(x)
  5211  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5212  		v0.AddArg(y)
  5213  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5214  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5215  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5216  		v3.AuxInt = 31
  5217  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5218  		v4.AddArg(y)
  5219  		v3.AddArg(v4)
  5220  		v2.AddArg(v3)
  5221  		v1.AddArg(v2)
  5222  		v0.AddArg(v1)
  5223  		v.AddArg(v0)
  5224  		return true
  5225  	}
  5226  }
  5227  func rewriteValueS390X_OpRsh32x32(v *Value, config *Config) bool {
  5228  	b := v.Block
  5229  	_ = b
  5230  	// match: (Rsh32x32 <t> x y)
  5231  	// cond:
  5232  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [31])))))
  5233  	for {
  5234  		t := v.Type
  5235  		x := v.Args[0]
  5236  		y := v.Args[1]
  5237  		v.reset(OpS390XSRAW)
  5238  		v.Type = t
  5239  		v.AddArg(x)
  5240  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5241  		v0.AddArg(y)
  5242  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5243  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5244  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5245  		v3.AuxInt = 31
  5246  		v3.AddArg(y)
  5247  		v2.AddArg(v3)
  5248  		v1.AddArg(v2)
  5249  		v0.AddArg(v1)
  5250  		v.AddArg(v0)
  5251  		return true
  5252  	}
  5253  }
  5254  func rewriteValueS390X_OpRsh32x64(v *Value, config *Config) bool {
  5255  	b := v.Block
  5256  	_ = b
  5257  	// match: (Rsh32x64 <t> x y)
  5258  	// cond:
  5259  	// result: (SRAW <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [31])))))
  5260  	for {
  5261  		t := v.Type
  5262  		x := v.Args[0]
  5263  		y := v.Args[1]
  5264  		v.reset(OpS390XSRAW)
  5265  		v.Type = t
  5266  		v.AddArg(x)
  5267  		v0 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5268  		v0.AddArg(y)
  5269  		v1 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5270  		v2 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5271  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5272  		v3.AuxInt = 31
  5273  		v3.AddArg(y)
  5274  		v2.AddArg(v3)
  5275  		v1.AddArg(v2)
  5276  		v0.AddArg(v1)
  5277  		v.AddArg(v0)
  5278  		return true
  5279  	}
  5280  }
  5281  func rewriteValueS390X_OpRsh32x8(v *Value, config *Config) bool {
  5282  	b := v.Block
  5283  	_ = b
  5284  	// match: (Rsh32x8  <t> x y)
  5285  	// cond:
  5286  	// result: (SRAW <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [31])))))
  5287  	for {
  5288  		t := v.Type
  5289  		x := v.Args[0]
  5290  		y := v.Args[1]
  5291  		v.reset(OpS390XSRAW)
  5292  		v.Type = t
  5293  		v.AddArg(x)
  5294  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5295  		v0.AddArg(y)
  5296  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5297  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5298  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5299  		v3.AuxInt = 31
  5300  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5301  		v4.AddArg(y)
  5302  		v3.AddArg(v4)
  5303  		v2.AddArg(v3)
  5304  		v1.AddArg(v2)
  5305  		v0.AddArg(v1)
  5306  		v.AddArg(v0)
  5307  		return true
  5308  	}
  5309  }
  5310  func rewriteValueS390X_OpRsh64Ux16(v *Value, config *Config) bool {
  5311  	b := v.Block
  5312  	_ = b
  5313  	// match: (Rsh64Ux16 <t> x y)
  5314  	// cond:
  5315  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVHZreg y) [63])))
  5316  	for {
  5317  		t := v.Type
  5318  		x := v.Args[0]
  5319  		y := v.Args[1]
  5320  		v.reset(OpS390XAND)
  5321  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5322  		v0.AddArg(x)
  5323  		v0.AddArg(y)
  5324  		v.AddArg(v0)
  5325  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5326  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5327  		v2.AuxInt = 63
  5328  		v3 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5329  		v3.AddArg(y)
  5330  		v2.AddArg(v3)
  5331  		v1.AddArg(v2)
  5332  		v.AddArg(v1)
  5333  		return true
  5334  	}
  5335  }
  5336  func rewriteValueS390X_OpRsh64Ux32(v *Value, config *Config) bool {
  5337  	b := v.Block
  5338  	_ = b
  5339  	// match: (Rsh64Ux32 <t> x y)
  5340  	// cond:
  5341  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst y [63])))
  5342  	for {
  5343  		t := v.Type
  5344  		x := v.Args[0]
  5345  		y := v.Args[1]
  5346  		v.reset(OpS390XAND)
  5347  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5348  		v0.AddArg(x)
  5349  		v0.AddArg(y)
  5350  		v.AddArg(v0)
  5351  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5352  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5353  		v2.AuxInt = 63
  5354  		v2.AddArg(y)
  5355  		v1.AddArg(v2)
  5356  		v.AddArg(v1)
  5357  		return true
  5358  	}
  5359  }
  5360  func rewriteValueS390X_OpRsh64Ux64(v *Value, config *Config) bool {
  5361  	b := v.Block
  5362  	_ = b
  5363  	// match: (Rsh64Ux64 <t> x y)
  5364  	// cond:
  5365  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPUconst y [63])))
  5366  	for {
  5367  		t := v.Type
  5368  		x := v.Args[0]
  5369  		y := v.Args[1]
  5370  		v.reset(OpS390XAND)
  5371  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5372  		v0.AddArg(x)
  5373  		v0.AddArg(y)
  5374  		v.AddArg(v0)
  5375  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5376  		v2 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5377  		v2.AuxInt = 63
  5378  		v2.AddArg(y)
  5379  		v1.AddArg(v2)
  5380  		v.AddArg(v1)
  5381  		return true
  5382  	}
  5383  }
  5384  func rewriteValueS390X_OpRsh64Ux8(v *Value, config *Config) bool {
  5385  	b := v.Block
  5386  	_ = b
  5387  	// match: (Rsh64Ux8  <t> x y)
  5388  	// cond:
  5389  	// result: (AND (SRD <t> x y) (SUBEcarrymask <t> (CMPWUconst (MOVBZreg y) [63])))
  5390  	for {
  5391  		t := v.Type
  5392  		x := v.Args[0]
  5393  		y := v.Args[1]
  5394  		v.reset(OpS390XAND)
  5395  		v0 := b.NewValue0(v.Line, OpS390XSRD, t)
  5396  		v0.AddArg(x)
  5397  		v0.AddArg(y)
  5398  		v.AddArg(v0)
  5399  		v1 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, t)
  5400  		v2 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5401  		v2.AuxInt = 63
  5402  		v3 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5403  		v3.AddArg(y)
  5404  		v2.AddArg(v3)
  5405  		v1.AddArg(v2)
  5406  		v.AddArg(v1)
  5407  		return true
  5408  	}
  5409  }
  5410  func rewriteValueS390X_OpRsh64x16(v *Value, config *Config) bool {
  5411  	b := v.Block
  5412  	_ = b
  5413  	// match: (Rsh64x16 <t> x y)
  5414  	// cond:
  5415  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [63])))))
  5416  	for {
  5417  		t := v.Type
  5418  		x := v.Args[0]
  5419  		y := v.Args[1]
  5420  		v.reset(OpS390XSRAD)
  5421  		v.Type = t
  5422  		v.AddArg(x)
  5423  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5424  		v0.AddArg(y)
  5425  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5426  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5427  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5428  		v3.AuxInt = 63
  5429  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5430  		v4.AddArg(y)
  5431  		v3.AddArg(v4)
  5432  		v2.AddArg(v3)
  5433  		v1.AddArg(v2)
  5434  		v0.AddArg(v1)
  5435  		v.AddArg(v0)
  5436  		return true
  5437  	}
  5438  }
  5439  func rewriteValueS390X_OpRsh64x32(v *Value, config *Config) bool {
  5440  	b := v.Block
  5441  	_ = b
  5442  	// match: (Rsh64x32 <t> x y)
  5443  	// cond:
  5444  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [63])))))
  5445  	for {
  5446  		t := v.Type
  5447  		x := v.Args[0]
  5448  		y := v.Args[1]
  5449  		v.reset(OpS390XSRAD)
  5450  		v.Type = t
  5451  		v.AddArg(x)
  5452  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5453  		v0.AddArg(y)
  5454  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5455  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5456  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5457  		v3.AuxInt = 63
  5458  		v3.AddArg(y)
  5459  		v2.AddArg(v3)
  5460  		v1.AddArg(v2)
  5461  		v0.AddArg(v1)
  5462  		v.AddArg(v0)
  5463  		return true
  5464  	}
  5465  }
  5466  func rewriteValueS390X_OpRsh64x64(v *Value, config *Config) bool {
  5467  	b := v.Block
  5468  	_ = b
  5469  	// match: (Rsh64x64 <t> x y)
  5470  	// cond:
  5471  	// result: (SRAD <t> x (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [63])))))
  5472  	for {
  5473  		t := v.Type
  5474  		x := v.Args[0]
  5475  		y := v.Args[1]
  5476  		v.reset(OpS390XSRAD)
  5477  		v.Type = t
  5478  		v.AddArg(x)
  5479  		v0 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5480  		v0.AddArg(y)
  5481  		v1 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5482  		v2 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5483  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5484  		v3.AuxInt = 63
  5485  		v3.AddArg(y)
  5486  		v2.AddArg(v3)
  5487  		v1.AddArg(v2)
  5488  		v0.AddArg(v1)
  5489  		v.AddArg(v0)
  5490  		return true
  5491  	}
  5492  }
  5493  func rewriteValueS390X_OpRsh64x8(v *Value, config *Config) bool {
  5494  	b := v.Block
  5495  	_ = b
  5496  	// match: (Rsh64x8  <t> x y)
  5497  	// cond:
  5498  	// result: (SRAD <t> x (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [63])))))
  5499  	for {
  5500  		t := v.Type
  5501  		x := v.Args[0]
  5502  		y := v.Args[1]
  5503  		v.reset(OpS390XSRAD)
  5504  		v.Type = t
  5505  		v.AddArg(x)
  5506  		v0 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5507  		v0.AddArg(y)
  5508  		v1 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5509  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5510  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5511  		v3.AuxInt = 63
  5512  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5513  		v4.AddArg(y)
  5514  		v3.AddArg(v4)
  5515  		v2.AddArg(v3)
  5516  		v1.AddArg(v2)
  5517  		v0.AddArg(v1)
  5518  		v.AddArg(v0)
  5519  		return true
  5520  	}
  5521  }
  5522  func rewriteValueS390X_OpRsh8Ux16(v *Value, config *Config) bool {
  5523  	b := v.Block
  5524  	_ = b
  5525  	// match: (Rsh8Ux16 <t> x y)
  5526  	// cond:
  5527  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVHZreg y) [7])))
  5528  	for {
  5529  		t := v.Type
  5530  		x := v.Args[0]
  5531  		y := v.Args[1]
  5532  		v.reset(OpS390XANDW)
  5533  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5534  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5535  		v1.AddArg(x)
  5536  		v0.AddArg(v1)
  5537  		v0.AddArg(y)
  5538  		v.AddArg(v0)
  5539  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5540  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5541  		v3.AuxInt = 7
  5542  		v4 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5543  		v4.AddArg(y)
  5544  		v3.AddArg(v4)
  5545  		v2.AddArg(v3)
  5546  		v.AddArg(v2)
  5547  		return true
  5548  	}
  5549  }
  5550  func rewriteValueS390X_OpRsh8Ux32(v *Value, config *Config) bool {
  5551  	b := v.Block
  5552  	_ = b
  5553  	// match: (Rsh8Ux32 <t> x y)
  5554  	// cond:
  5555  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst y [7])))
  5556  	for {
  5557  		t := v.Type
  5558  		x := v.Args[0]
  5559  		y := v.Args[1]
  5560  		v.reset(OpS390XANDW)
  5561  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5562  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5563  		v1.AddArg(x)
  5564  		v0.AddArg(v1)
  5565  		v0.AddArg(y)
  5566  		v.AddArg(v0)
  5567  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5568  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5569  		v3.AuxInt = 7
  5570  		v3.AddArg(y)
  5571  		v2.AddArg(v3)
  5572  		v.AddArg(v2)
  5573  		return true
  5574  	}
  5575  }
  5576  func rewriteValueS390X_OpRsh8Ux64(v *Value, config *Config) bool {
  5577  	b := v.Block
  5578  	_ = b
  5579  	// match: (Rsh8Ux64 <t> x y)
  5580  	// cond:
  5581  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPUconst y [7])))
  5582  	for {
  5583  		t := v.Type
  5584  		x := v.Args[0]
  5585  		y := v.Args[1]
  5586  		v.reset(OpS390XANDW)
  5587  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5588  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5589  		v1.AddArg(x)
  5590  		v0.AddArg(v1)
  5591  		v0.AddArg(y)
  5592  		v.AddArg(v0)
  5593  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5594  		v3 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5595  		v3.AuxInt = 7
  5596  		v3.AddArg(y)
  5597  		v2.AddArg(v3)
  5598  		v.AddArg(v2)
  5599  		return true
  5600  	}
  5601  }
  5602  func rewriteValueS390X_OpRsh8Ux8(v *Value, config *Config) bool {
  5603  	b := v.Block
  5604  	_ = b
  5605  	// match: (Rsh8Ux8  <t> x y)
  5606  	// cond:
  5607  	// result: (ANDW (SRW <t> (MOVBZreg x) y) (SUBEWcarrymask <t> (CMPWUconst (MOVBZreg y) [7])))
  5608  	for {
  5609  		t := v.Type
  5610  		x := v.Args[0]
  5611  		y := v.Args[1]
  5612  		v.reset(OpS390XANDW)
  5613  		v0 := b.NewValue0(v.Line, OpS390XSRW, t)
  5614  		v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5615  		v1.AddArg(x)
  5616  		v0.AddArg(v1)
  5617  		v0.AddArg(y)
  5618  		v.AddArg(v0)
  5619  		v2 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, t)
  5620  		v3 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5621  		v3.AuxInt = 7
  5622  		v4 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5623  		v4.AddArg(y)
  5624  		v3.AddArg(v4)
  5625  		v2.AddArg(v3)
  5626  		v.AddArg(v2)
  5627  		return true
  5628  	}
  5629  }
  5630  func rewriteValueS390X_OpRsh8x16(v *Value, config *Config) bool {
  5631  	b := v.Block
  5632  	_ = b
  5633  	// match: (Rsh8x16 <t> x y)
  5634  	// cond:
  5635  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVHZreg y) [7])))))
  5636  	for {
  5637  		t := v.Type
  5638  		x := v.Args[0]
  5639  		y := v.Args[1]
  5640  		v.reset(OpS390XSRAW)
  5641  		v.Type = t
  5642  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5643  		v0.AddArg(x)
  5644  		v.AddArg(v0)
  5645  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5646  		v1.AddArg(y)
  5647  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5648  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5649  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5650  		v4.AuxInt = 7
  5651  		v5 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
  5652  		v5.AddArg(y)
  5653  		v4.AddArg(v5)
  5654  		v3.AddArg(v4)
  5655  		v2.AddArg(v3)
  5656  		v1.AddArg(v2)
  5657  		v.AddArg(v1)
  5658  		return true
  5659  	}
  5660  }
  5661  func rewriteValueS390X_OpRsh8x32(v *Value, config *Config) bool {
  5662  	b := v.Block
  5663  	_ = b
  5664  	// match: (Rsh8x32 <t> x y)
  5665  	// cond:
  5666  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst y [7])))))
  5667  	for {
  5668  		t := v.Type
  5669  		x := v.Args[0]
  5670  		y := v.Args[1]
  5671  		v.reset(OpS390XSRAW)
  5672  		v.Type = t
  5673  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5674  		v0.AddArg(x)
  5675  		v.AddArg(v0)
  5676  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5677  		v1.AddArg(y)
  5678  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5679  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5680  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5681  		v4.AuxInt = 7
  5682  		v4.AddArg(y)
  5683  		v3.AddArg(v4)
  5684  		v2.AddArg(v3)
  5685  		v1.AddArg(v2)
  5686  		v.AddArg(v1)
  5687  		return true
  5688  	}
  5689  }
  5690  func rewriteValueS390X_OpRsh8x64(v *Value, config *Config) bool {
  5691  	b := v.Block
  5692  	_ = b
  5693  	// match: (Rsh8x64 <t> x y)
  5694  	// cond:
  5695  	// result: (SRAW <t> (MOVBreg x) (OR <y.Type> y (NOT <y.Type> (SUBEcarrymask <y.Type> (CMPUconst y [7])))))
  5696  	for {
  5697  		t := v.Type
  5698  		x := v.Args[0]
  5699  		y := v.Args[1]
  5700  		v.reset(OpS390XSRAW)
  5701  		v.Type = t
  5702  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5703  		v0.AddArg(x)
  5704  		v.AddArg(v0)
  5705  		v1 := b.NewValue0(v.Line, OpS390XOR, y.Type)
  5706  		v1.AddArg(y)
  5707  		v2 := b.NewValue0(v.Line, OpS390XNOT, y.Type)
  5708  		v3 := b.NewValue0(v.Line, OpS390XSUBEcarrymask, y.Type)
  5709  		v4 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  5710  		v4.AuxInt = 7
  5711  		v4.AddArg(y)
  5712  		v3.AddArg(v4)
  5713  		v2.AddArg(v3)
  5714  		v1.AddArg(v2)
  5715  		v.AddArg(v1)
  5716  		return true
  5717  	}
  5718  }
  5719  func rewriteValueS390X_OpRsh8x8(v *Value, config *Config) bool {
  5720  	b := v.Block
  5721  	_ = b
  5722  	// match: (Rsh8x8  <t> x y)
  5723  	// cond:
  5724  	// result: (SRAW <t> (MOVBreg x) (ORW <y.Type> y (NOTW <y.Type> (SUBEWcarrymask <y.Type> (CMPWUconst (MOVBZreg y) [7])))))
  5725  	for {
  5726  		t := v.Type
  5727  		x := v.Args[0]
  5728  		y := v.Args[1]
  5729  		v.reset(OpS390XSRAW)
  5730  		v.Type = t
  5731  		v0 := b.NewValue0(v.Line, OpS390XMOVBreg, config.fe.TypeInt64())
  5732  		v0.AddArg(x)
  5733  		v.AddArg(v0)
  5734  		v1 := b.NewValue0(v.Line, OpS390XORW, y.Type)
  5735  		v1.AddArg(y)
  5736  		v2 := b.NewValue0(v.Line, OpS390XNOTW, y.Type)
  5737  		v3 := b.NewValue0(v.Line, OpS390XSUBEWcarrymask, y.Type)
  5738  		v4 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  5739  		v4.AuxInt = 7
  5740  		v5 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeUInt64())
  5741  		v5.AddArg(y)
  5742  		v4.AddArg(v5)
  5743  		v3.AddArg(v4)
  5744  		v2.AddArg(v3)
  5745  		v1.AddArg(v2)
  5746  		v.AddArg(v1)
  5747  		return true
  5748  	}
  5749  }
  5750  func rewriteValueS390X_OpS390XADD(v *Value, config *Config) bool {
  5751  	b := v.Block
  5752  	_ = b
  5753  	// match: (ADD x (MOVDconst [c]))
  5754  	// cond: is32Bit(c)
  5755  	// result: (ADDconst [c] x)
  5756  	for {
  5757  		x := v.Args[0]
  5758  		v_1 := v.Args[1]
  5759  		if v_1.Op != OpS390XMOVDconst {
  5760  			break
  5761  		}
  5762  		c := v_1.AuxInt
  5763  		if !(is32Bit(c)) {
  5764  			break
  5765  		}
  5766  		v.reset(OpS390XADDconst)
  5767  		v.AuxInt = c
  5768  		v.AddArg(x)
  5769  		return true
  5770  	}
  5771  	// match: (ADD (MOVDconst [c]) x)
  5772  	// cond: is32Bit(c)
  5773  	// result: (ADDconst [c] x)
  5774  	for {
  5775  		v_0 := v.Args[0]
  5776  		if v_0.Op != OpS390XMOVDconst {
  5777  			break
  5778  		}
  5779  		c := v_0.AuxInt
  5780  		x := v.Args[1]
  5781  		if !(is32Bit(c)) {
  5782  			break
  5783  		}
  5784  		v.reset(OpS390XADDconst)
  5785  		v.AuxInt = c
  5786  		v.AddArg(x)
  5787  		return true
  5788  	}
  5789  	// match: (ADD x (MOVDaddr [c] {s} y))
  5790  	// cond: x.Op != OpSB && y.Op != OpSB
  5791  	// result: (MOVDaddridx [c] {s} x y)
  5792  	for {
  5793  		x := v.Args[0]
  5794  		v_1 := v.Args[1]
  5795  		if v_1.Op != OpS390XMOVDaddr {
  5796  			break
  5797  		}
  5798  		c := v_1.AuxInt
  5799  		s := v_1.Aux
  5800  		y := v_1.Args[0]
  5801  		if !(x.Op != OpSB && y.Op != OpSB) {
  5802  			break
  5803  		}
  5804  		v.reset(OpS390XMOVDaddridx)
  5805  		v.AuxInt = c
  5806  		v.Aux = s
  5807  		v.AddArg(x)
  5808  		v.AddArg(y)
  5809  		return true
  5810  	}
  5811  	// match: (ADD (MOVDaddr [c] {s} x) y)
  5812  	// cond: x.Op != OpSB && y.Op != OpSB
  5813  	// result: (MOVDaddridx [c] {s} x y)
  5814  	for {
  5815  		v_0 := v.Args[0]
  5816  		if v_0.Op != OpS390XMOVDaddr {
  5817  			break
  5818  		}
  5819  		c := v_0.AuxInt
  5820  		s := v_0.Aux
  5821  		x := v_0.Args[0]
  5822  		y := v.Args[1]
  5823  		if !(x.Op != OpSB && y.Op != OpSB) {
  5824  			break
  5825  		}
  5826  		v.reset(OpS390XMOVDaddridx)
  5827  		v.AuxInt = c
  5828  		v.Aux = s
  5829  		v.AddArg(x)
  5830  		v.AddArg(y)
  5831  		return true
  5832  	}
  5833  	// match: (ADD x (NEG y))
  5834  	// cond:
  5835  	// result: (SUB x y)
  5836  	for {
  5837  		x := v.Args[0]
  5838  		v_1 := v.Args[1]
  5839  		if v_1.Op != OpS390XNEG {
  5840  			break
  5841  		}
  5842  		y := v_1.Args[0]
  5843  		v.reset(OpS390XSUB)
  5844  		v.AddArg(x)
  5845  		v.AddArg(y)
  5846  		return true
  5847  	}
  5848  	// match: (ADD <t> x g:(MOVDload [off] {sym} ptr mem))
  5849  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5850  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5851  	for {
  5852  		t := v.Type
  5853  		x := v.Args[0]
  5854  		g := v.Args[1]
  5855  		if g.Op != OpS390XMOVDload {
  5856  			break
  5857  		}
  5858  		off := g.AuxInt
  5859  		sym := g.Aux
  5860  		ptr := g.Args[0]
  5861  		mem := g.Args[1]
  5862  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5863  			break
  5864  		}
  5865  		v.reset(OpS390XADDload)
  5866  		v.Type = t
  5867  		v.AuxInt = off
  5868  		v.Aux = sym
  5869  		v.AddArg(x)
  5870  		v.AddArg(ptr)
  5871  		v.AddArg(mem)
  5872  		return true
  5873  	}
  5874  	// match: (ADD <t> g:(MOVDload [off] {sym} ptr mem) x)
  5875  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5876  	// result: (ADDload <t> [off] {sym} x ptr mem)
  5877  	for {
  5878  		t := v.Type
  5879  		g := v.Args[0]
  5880  		if g.Op != OpS390XMOVDload {
  5881  			break
  5882  		}
  5883  		off := g.AuxInt
  5884  		sym := g.Aux
  5885  		ptr := g.Args[0]
  5886  		mem := g.Args[1]
  5887  		x := v.Args[1]
  5888  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5889  			break
  5890  		}
  5891  		v.reset(OpS390XADDload)
  5892  		v.Type = t
  5893  		v.AuxInt = off
  5894  		v.Aux = sym
  5895  		v.AddArg(x)
  5896  		v.AddArg(ptr)
  5897  		v.AddArg(mem)
  5898  		return true
  5899  	}
  5900  	return false
  5901  }
  5902  func rewriteValueS390X_OpS390XADDW(v *Value, config *Config) bool {
  5903  	b := v.Block
  5904  	_ = b
  5905  	// match: (ADDW x (MOVDconst [c]))
  5906  	// cond:
  5907  	// result: (ADDWconst [c] x)
  5908  	for {
  5909  		x := v.Args[0]
  5910  		v_1 := v.Args[1]
  5911  		if v_1.Op != OpS390XMOVDconst {
  5912  			break
  5913  		}
  5914  		c := v_1.AuxInt
  5915  		v.reset(OpS390XADDWconst)
  5916  		v.AuxInt = c
  5917  		v.AddArg(x)
  5918  		return true
  5919  	}
  5920  	// match: (ADDW (MOVDconst [c]) x)
  5921  	// cond:
  5922  	// result: (ADDWconst [c] x)
  5923  	for {
  5924  		v_0 := v.Args[0]
  5925  		if v_0.Op != OpS390XMOVDconst {
  5926  			break
  5927  		}
  5928  		c := v_0.AuxInt
  5929  		x := v.Args[1]
  5930  		v.reset(OpS390XADDWconst)
  5931  		v.AuxInt = c
  5932  		v.AddArg(x)
  5933  		return true
  5934  	}
  5935  	// match: (ADDW x (NEGW y))
  5936  	// cond:
  5937  	// result: (SUBW x y)
  5938  	for {
  5939  		x := v.Args[0]
  5940  		v_1 := v.Args[1]
  5941  		if v_1.Op != OpS390XNEGW {
  5942  			break
  5943  		}
  5944  		y := v_1.Args[0]
  5945  		v.reset(OpS390XSUBW)
  5946  		v.AddArg(x)
  5947  		v.AddArg(y)
  5948  		return true
  5949  	}
  5950  	// match: (ADDW <t> x g:(MOVWload [off] {sym} ptr mem))
  5951  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5952  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5953  	for {
  5954  		t := v.Type
  5955  		x := v.Args[0]
  5956  		g := v.Args[1]
  5957  		if g.Op != OpS390XMOVWload {
  5958  			break
  5959  		}
  5960  		off := g.AuxInt
  5961  		sym := g.Aux
  5962  		ptr := g.Args[0]
  5963  		mem := g.Args[1]
  5964  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5965  			break
  5966  		}
  5967  		v.reset(OpS390XADDWload)
  5968  		v.Type = t
  5969  		v.AuxInt = off
  5970  		v.Aux = sym
  5971  		v.AddArg(x)
  5972  		v.AddArg(ptr)
  5973  		v.AddArg(mem)
  5974  		return true
  5975  	}
  5976  	// match: (ADDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  5977  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  5978  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  5979  	for {
  5980  		t := v.Type
  5981  		g := v.Args[0]
  5982  		if g.Op != OpS390XMOVWload {
  5983  			break
  5984  		}
  5985  		off := g.AuxInt
  5986  		sym := g.Aux
  5987  		ptr := g.Args[0]
  5988  		mem := g.Args[1]
  5989  		x := v.Args[1]
  5990  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  5991  			break
  5992  		}
  5993  		v.reset(OpS390XADDWload)
  5994  		v.Type = t
  5995  		v.AuxInt = off
  5996  		v.Aux = sym
  5997  		v.AddArg(x)
  5998  		v.AddArg(ptr)
  5999  		v.AddArg(mem)
  6000  		return true
  6001  	}
  6002  	// match: (ADDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6003  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6004  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6005  	for {
  6006  		t := v.Type
  6007  		x := v.Args[0]
  6008  		g := v.Args[1]
  6009  		if g.Op != OpS390XMOVWZload {
  6010  			break
  6011  		}
  6012  		off := g.AuxInt
  6013  		sym := g.Aux
  6014  		ptr := g.Args[0]
  6015  		mem := g.Args[1]
  6016  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6017  			break
  6018  		}
  6019  		v.reset(OpS390XADDWload)
  6020  		v.Type = t
  6021  		v.AuxInt = off
  6022  		v.Aux = sym
  6023  		v.AddArg(x)
  6024  		v.AddArg(ptr)
  6025  		v.AddArg(mem)
  6026  		return true
  6027  	}
  6028  	// match: (ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6029  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6030  	// result: (ADDWload <t> [off] {sym} x ptr mem)
  6031  	for {
  6032  		t := v.Type
  6033  		g := v.Args[0]
  6034  		if g.Op != OpS390XMOVWZload {
  6035  			break
  6036  		}
  6037  		off := g.AuxInt
  6038  		sym := g.Aux
  6039  		ptr := g.Args[0]
  6040  		mem := g.Args[1]
  6041  		x := v.Args[1]
  6042  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6043  			break
  6044  		}
  6045  		v.reset(OpS390XADDWload)
  6046  		v.Type = t
  6047  		v.AuxInt = off
  6048  		v.Aux = sym
  6049  		v.AddArg(x)
  6050  		v.AddArg(ptr)
  6051  		v.AddArg(mem)
  6052  		return true
  6053  	}
  6054  	return false
  6055  }
  6056  func rewriteValueS390X_OpS390XADDWconst(v *Value, config *Config) bool {
  6057  	b := v.Block
  6058  	_ = b
  6059  	// match: (ADDWconst [c] x)
  6060  	// cond: int32(c)==0
  6061  	// result: x
  6062  	for {
  6063  		c := v.AuxInt
  6064  		x := v.Args[0]
  6065  		if !(int32(c) == 0) {
  6066  			break
  6067  		}
  6068  		v.reset(OpCopy)
  6069  		v.Type = x.Type
  6070  		v.AddArg(x)
  6071  		return true
  6072  	}
  6073  	// match: (ADDWconst [c] (MOVDconst [d]))
  6074  	// cond:
  6075  	// result: (MOVDconst [int64(int32(c+d))])
  6076  	for {
  6077  		c := v.AuxInt
  6078  		v_0 := v.Args[0]
  6079  		if v_0.Op != OpS390XMOVDconst {
  6080  			break
  6081  		}
  6082  		d := v_0.AuxInt
  6083  		v.reset(OpS390XMOVDconst)
  6084  		v.AuxInt = int64(int32(c + d))
  6085  		return true
  6086  	}
  6087  	// match: (ADDWconst [c] (ADDWconst [d] x))
  6088  	// cond:
  6089  	// result: (ADDWconst [int64(int32(c+d))] x)
  6090  	for {
  6091  		c := v.AuxInt
  6092  		v_0 := v.Args[0]
  6093  		if v_0.Op != OpS390XADDWconst {
  6094  			break
  6095  		}
  6096  		d := v_0.AuxInt
  6097  		x := v_0.Args[0]
  6098  		v.reset(OpS390XADDWconst)
  6099  		v.AuxInt = int64(int32(c + d))
  6100  		v.AddArg(x)
  6101  		return true
  6102  	}
  6103  	return false
  6104  }
  6105  func rewriteValueS390X_OpS390XADDconst(v *Value, config *Config) bool {
  6106  	b := v.Block
  6107  	_ = b
  6108  	// match: (ADDconst [c] (MOVDaddr [d] {s} x:(SB)))
  6109  	// cond: ((c+d)&1 == 0) && is32Bit(c+d)
  6110  	// result: (MOVDaddr [c+d] {s} x)
  6111  	for {
  6112  		c := v.AuxInt
  6113  		v_0 := v.Args[0]
  6114  		if v_0.Op != OpS390XMOVDaddr {
  6115  			break
  6116  		}
  6117  		d := v_0.AuxInt
  6118  		s := v_0.Aux
  6119  		x := v_0.Args[0]
  6120  		if x.Op != OpSB {
  6121  			break
  6122  		}
  6123  		if !(((c+d)&1 == 0) && is32Bit(c+d)) {
  6124  			break
  6125  		}
  6126  		v.reset(OpS390XMOVDaddr)
  6127  		v.AuxInt = c + d
  6128  		v.Aux = s
  6129  		v.AddArg(x)
  6130  		return true
  6131  	}
  6132  	// match: (ADDconst [c] (MOVDaddr [d] {s} x))
  6133  	// cond: x.Op != OpSB && is20Bit(c+d)
  6134  	// result: (MOVDaddr [c+d] {s} x)
  6135  	for {
  6136  		c := v.AuxInt
  6137  		v_0 := v.Args[0]
  6138  		if v_0.Op != OpS390XMOVDaddr {
  6139  			break
  6140  		}
  6141  		d := v_0.AuxInt
  6142  		s := v_0.Aux
  6143  		x := v_0.Args[0]
  6144  		if !(x.Op != OpSB && is20Bit(c+d)) {
  6145  			break
  6146  		}
  6147  		v.reset(OpS390XMOVDaddr)
  6148  		v.AuxInt = c + d
  6149  		v.Aux = s
  6150  		v.AddArg(x)
  6151  		return true
  6152  	}
  6153  	// match: (ADDconst [c] (MOVDaddridx [d] {s} x y))
  6154  	// cond: is20Bit(c+d)
  6155  	// result: (MOVDaddridx [c+d] {s} x y)
  6156  	for {
  6157  		c := v.AuxInt
  6158  		v_0 := v.Args[0]
  6159  		if v_0.Op != OpS390XMOVDaddridx {
  6160  			break
  6161  		}
  6162  		d := v_0.AuxInt
  6163  		s := v_0.Aux
  6164  		x := v_0.Args[0]
  6165  		y := v_0.Args[1]
  6166  		if !(is20Bit(c + d)) {
  6167  			break
  6168  		}
  6169  		v.reset(OpS390XMOVDaddridx)
  6170  		v.AuxInt = c + d
  6171  		v.Aux = s
  6172  		v.AddArg(x)
  6173  		v.AddArg(y)
  6174  		return true
  6175  	}
  6176  	// match: (ADDconst [0] x)
  6177  	// cond:
  6178  	// result: x
  6179  	for {
  6180  		if v.AuxInt != 0 {
  6181  			break
  6182  		}
  6183  		x := v.Args[0]
  6184  		v.reset(OpCopy)
  6185  		v.Type = x.Type
  6186  		v.AddArg(x)
  6187  		return true
  6188  	}
  6189  	// match: (ADDconst [c] (MOVDconst [d]))
  6190  	// cond:
  6191  	// result: (MOVDconst [c+d])
  6192  	for {
  6193  		c := v.AuxInt
  6194  		v_0 := v.Args[0]
  6195  		if v_0.Op != OpS390XMOVDconst {
  6196  			break
  6197  		}
  6198  		d := v_0.AuxInt
  6199  		v.reset(OpS390XMOVDconst)
  6200  		v.AuxInt = c + d
  6201  		return true
  6202  	}
  6203  	// match: (ADDconst [c] (ADDconst [d] x))
  6204  	// cond: is32Bit(c+d)
  6205  	// result: (ADDconst [c+d] x)
  6206  	for {
  6207  		c := v.AuxInt
  6208  		v_0 := v.Args[0]
  6209  		if v_0.Op != OpS390XADDconst {
  6210  			break
  6211  		}
  6212  		d := v_0.AuxInt
  6213  		x := v_0.Args[0]
  6214  		if !(is32Bit(c + d)) {
  6215  			break
  6216  		}
  6217  		v.reset(OpS390XADDconst)
  6218  		v.AuxInt = c + d
  6219  		v.AddArg(x)
  6220  		return true
  6221  	}
  6222  	return false
  6223  }
  6224  func rewriteValueS390X_OpS390XAND(v *Value, config *Config) bool {
  6225  	b := v.Block
  6226  	_ = b
  6227  	// match: (AND x (MOVDconst [c]))
  6228  	// cond: is32Bit(c) && c < 0
  6229  	// result: (ANDconst [c] x)
  6230  	for {
  6231  		x := v.Args[0]
  6232  		v_1 := v.Args[1]
  6233  		if v_1.Op != OpS390XMOVDconst {
  6234  			break
  6235  		}
  6236  		c := v_1.AuxInt
  6237  		if !(is32Bit(c) && c < 0) {
  6238  			break
  6239  		}
  6240  		v.reset(OpS390XANDconst)
  6241  		v.AuxInt = c
  6242  		v.AddArg(x)
  6243  		return true
  6244  	}
  6245  	// match: (AND (MOVDconst [c]) x)
  6246  	// cond: is32Bit(c) && c < 0
  6247  	// result: (ANDconst [c] x)
  6248  	for {
  6249  		v_0 := v.Args[0]
  6250  		if v_0.Op != OpS390XMOVDconst {
  6251  			break
  6252  		}
  6253  		c := v_0.AuxInt
  6254  		x := v.Args[1]
  6255  		if !(is32Bit(c) && c < 0) {
  6256  			break
  6257  		}
  6258  		v.reset(OpS390XANDconst)
  6259  		v.AuxInt = c
  6260  		v.AddArg(x)
  6261  		return true
  6262  	}
  6263  	// match: (AND (MOVDconst [0xFF]) x)
  6264  	// cond:
  6265  	// result: (MOVBZreg x)
  6266  	for {
  6267  		v_0 := v.Args[0]
  6268  		if v_0.Op != OpS390XMOVDconst {
  6269  			break
  6270  		}
  6271  		if v_0.AuxInt != 0xFF {
  6272  			break
  6273  		}
  6274  		x := v.Args[1]
  6275  		v.reset(OpS390XMOVBZreg)
  6276  		v.AddArg(x)
  6277  		return true
  6278  	}
  6279  	// match: (AND x (MOVDconst [0xFF]))
  6280  	// cond:
  6281  	// result: (MOVBZreg x)
  6282  	for {
  6283  		x := v.Args[0]
  6284  		v_1 := v.Args[1]
  6285  		if v_1.Op != OpS390XMOVDconst {
  6286  			break
  6287  		}
  6288  		if v_1.AuxInt != 0xFF {
  6289  			break
  6290  		}
  6291  		v.reset(OpS390XMOVBZreg)
  6292  		v.AddArg(x)
  6293  		return true
  6294  	}
  6295  	// match: (AND (MOVDconst [0xFFFF]) x)
  6296  	// cond:
  6297  	// result: (MOVHZreg x)
  6298  	for {
  6299  		v_0 := v.Args[0]
  6300  		if v_0.Op != OpS390XMOVDconst {
  6301  			break
  6302  		}
  6303  		if v_0.AuxInt != 0xFFFF {
  6304  			break
  6305  		}
  6306  		x := v.Args[1]
  6307  		v.reset(OpS390XMOVHZreg)
  6308  		v.AddArg(x)
  6309  		return true
  6310  	}
  6311  	// match: (AND x (MOVDconst [0xFFFF]))
  6312  	// cond:
  6313  	// result: (MOVHZreg x)
  6314  	for {
  6315  		x := v.Args[0]
  6316  		v_1 := v.Args[1]
  6317  		if v_1.Op != OpS390XMOVDconst {
  6318  			break
  6319  		}
  6320  		if v_1.AuxInt != 0xFFFF {
  6321  			break
  6322  		}
  6323  		v.reset(OpS390XMOVHZreg)
  6324  		v.AddArg(x)
  6325  		return true
  6326  	}
  6327  	// match: (AND (MOVDconst [0xFFFFFFFF]) x)
  6328  	// cond:
  6329  	// result: (MOVWZreg x)
  6330  	for {
  6331  		v_0 := v.Args[0]
  6332  		if v_0.Op != OpS390XMOVDconst {
  6333  			break
  6334  		}
  6335  		if v_0.AuxInt != 0xFFFFFFFF {
  6336  			break
  6337  		}
  6338  		x := v.Args[1]
  6339  		v.reset(OpS390XMOVWZreg)
  6340  		v.AddArg(x)
  6341  		return true
  6342  	}
  6343  	// match: (AND x (MOVDconst [0xFFFFFFFF]))
  6344  	// cond:
  6345  	// result: (MOVWZreg x)
  6346  	for {
  6347  		x := v.Args[0]
  6348  		v_1 := v.Args[1]
  6349  		if v_1.Op != OpS390XMOVDconst {
  6350  			break
  6351  		}
  6352  		if v_1.AuxInt != 0xFFFFFFFF {
  6353  			break
  6354  		}
  6355  		v.reset(OpS390XMOVWZreg)
  6356  		v.AddArg(x)
  6357  		return true
  6358  	}
  6359  	// match: (AND (MOVDconst [c]) (MOVDconst [d]))
  6360  	// cond:
  6361  	// result: (MOVDconst [c&d])
  6362  	for {
  6363  		v_0 := v.Args[0]
  6364  		if v_0.Op != OpS390XMOVDconst {
  6365  			break
  6366  		}
  6367  		c := v_0.AuxInt
  6368  		v_1 := v.Args[1]
  6369  		if v_1.Op != OpS390XMOVDconst {
  6370  			break
  6371  		}
  6372  		d := v_1.AuxInt
  6373  		v.reset(OpS390XMOVDconst)
  6374  		v.AuxInt = c & d
  6375  		return true
  6376  	}
  6377  	// match: (AND x x)
  6378  	// cond:
  6379  	// result: x
  6380  	for {
  6381  		x := v.Args[0]
  6382  		if x != v.Args[1] {
  6383  			break
  6384  		}
  6385  		v.reset(OpCopy)
  6386  		v.Type = x.Type
  6387  		v.AddArg(x)
  6388  		return true
  6389  	}
  6390  	// match: (AND <t> x g:(MOVDload [off] {sym} ptr mem))
  6391  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6392  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6393  	for {
  6394  		t := v.Type
  6395  		x := v.Args[0]
  6396  		g := v.Args[1]
  6397  		if g.Op != OpS390XMOVDload {
  6398  			break
  6399  		}
  6400  		off := g.AuxInt
  6401  		sym := g.Aux
  6402  		ptr := g.Args[0]
  6403  		mem := g.Args[1]
  6404  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6405  			break
  6406  		}
  6407  		v.reset(OpS390XANDload)
  6408  		v.Type = t
  6409  		v.AuxInt = off
  6410  		v.Aux = sym
  6411  		v.AddArg(x)
  6412  		v.AddArg(ptr)
  6413  		v.AddArg(mem)
  6414  		return true
  6415  	}
  6416  	// match: (AND <t> g:(MOVDload [off] {sym} ptr mem) x)
  6417  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6418  	// result: (ANDload <t> [off] {sym} x ptr mem)
  6419  	for {
  6420  		t := v.Type
  6421  		g := v.Args[0]
  6422  		if g.Op != OpS390XMOVDload {
  6423  			break
  6424  		}
  6425  		off := g.AuxInt
  6426  		sym := g.Aux
  6427  		ptr := g.Args[0]
  6428  		mem := g.Args[1]
  6429  		x := v.Args[1]
  6430  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6431  			break
  6432  		}
  6433  		v.reset(OpS390XANDload)
  6434  		v.Type = t
  6435  		v.AuxInt = off
  6436  		v.Aux = sym
  6437  		v.AddArg(x)
  6438  		v.AddArg(ptr)
  6439  		v.AddArg(mem)
  6440  		return true
  6441  	}
  6442  	return false
  6443  }
  6444  func rewriteValueS390X_OpS390XANDW(v *Value, config *Config) bool {
  6445  	b := v.Block
  6446  	_ = b
  6447  	// match: (ANDW x (MOVDconst [c]))
  6448  	// cond:
  6449  	// result: (ANDWconst [c] x)
  6450  	for {
  6451  		x := v.Args[0]
  6452  		v_1 := v.Args[1]
  6453  		if v_1.Op != OpS390XMOVDconst {
  6454  			break
  6455  		}
  6456  		c := v_1.AuxInt
  6457  		v.reset(OpS390XANDWconst)
  6458  		v.AuxInt = c
  6459  		v.AddArg(x)
  6460  		return true
  6461  	}
  6462  	// match: (ANDW (MOVDconst [c]) x)
  6463  	// cond:
  6464  	// result: (ANDWconst [c] x)
  6465  	for {
  6466  		v_0 := v.Args[0]
  6467  		if v_0.Op != OpS390XMOVDconst {
  6468  			break
  6469  		}
  6470  		c := v_0.AuxInt
  6471  		x := v.Args[1]
  6472  		v.reset(OpS390XANDWconst)
  6473  		v.AuxInt = c
  6474  		v.AddArg(x)
  6475  		return true
  6476  	}
  6477  	// match: (ANDW x x)
  6478  	// cond:
  6479  	// result: x
  6480  	for {
  6481  		x := v.Args[0]
  6482  		if x != v.Args[1] {
  6483  			break
  6484  		}
  6485  		v.reset(OpCopy)
  6486  		v.Type = x.Type
  6487  		v.AddArg(x)
  6488  		return true
  6489  	}
  6490  	// match: (ANDW <t> x g:(MOVWload [off] {sym} ptr mem))
  6491  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6492  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6493  	for {
  6494  		t := v.Type
  6495  		x := v.Args[0]
  6496  		g := v.Args[1]
  6497  		if g.Op != OpS390XMOVWload {
  6498  			break
  6499  		}
  6500  		off := g.AuxInt
  6501  		sym := g.Aux
  6502  		ptr := g.Args[0]
  6503  		mem := g.Args[1]
  6504  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6505  			break
  6506  		}
  6507  		v.reset(OpS390XANDWload)
  6508  		v.Type = t
  6509  		v.AuxInt = off
  6510  		v.Aux = sym
  6511  		v.AddArg(x)
  6512  		v.AddArg(ptr)
  6513  		v.AddArg(mem)
  6514  		return true
  6515  	}
  6516  	// match: (ANDW <t> g:(MOVWload [off] {sym} ptr mem) x)
  6517  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6518  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6519  	for {
  6520  		t := v.Type
  6521  		g := v.Args[0]
  6522  		if g.Op != OpS390XMOVWload {
  6523  			break
  6524  		}
  6525  		off := g.AuxInt
  6526  		sym := g.Aux
  6527  		ptr := g.Args[0]
  6528  		mem := g.Args[1]
  6529  		x := v.Args[1]
  6530  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6531  			break
  6532  		}
  6533  		v.reset(OpS390XANDWload)
  6534  		v.Type = t
  6535  		v.AuxInt = off
  6536  		v.Aux = sym
  6537  		v.AddArg(x)
  6538  		v.AddArg(ptr)
  6539  		v.AddArg(mem)
  6540  		return true
  6541  	}
  6542  	// match: (ANDW <t> x g:(MOVWZload [off] {sym} ptr mem))
  6543  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6544  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6545  	for {
  6546  		t := v.Type
  6547  		x := v.Args[0]
  6548  		g := v.Args[1]
  6549  		if g.Op != OpS390XMOVWZload {
  6550  			break
  6551  		}
  6552  		off := g.AuxInt
  6553  		sym := g.Aux
  6554  		ptr := g.Args[0]
  6555  		mem := g.Args[1]
  6556  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6557  			break
  6558  		}
  6559  		v.reset(OpS390XANDWload)
  6560  		v.Type = t
  6561  		v.AuxInt = off
  6562  		v.Aux = sym
  6563  		v.AddArg(x)
  6564  		v.AddArg(ptr)
  6565  		v.AddArg(mem)
  6566  		return true
  6567  	}
  6568  	// match: (ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x)
  6569  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
  6570  	// result: (ANDWload <t> [off] {sym} x ptr mem)
  6571  	for {
  6572  		t := v.Type
  6573  		g := v.Args[0]
  6574  		if g.Op != OpS390XMOVWZload {
  6575  			break
  6576  		}
  6577  		off := g.AuxInt
  6578  		sym := g.Aux
  6579  		ptr := g.Args[0]
  6580  		mem := g.Args[1]
  6581  		x := v.Args[1]
  6582  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
  6583  			break
  6584  		}
  6585  		v.reset(OpS390XANDWload)
  6586  		v.Type = t
  6587  		v.AuxInt = off
  6588  		v.Aux = sym
  6589  		v.AddArg(x)
  6590  		v.AddArg(ptr)
  6591  		v.AddArg(mem)
  6592  		return true
  6593  	}
  6594  	return false
  6595  }
  6596  func rewriteValueS390X_OpS390XANDWconst(v *Value, config *Config) bool {
  6597  	b := v.Block
  6598  	_ = b
  6599  	// match: (ANDWconst [c] (ANDWconst [d] x))
  6600  	// cond:
  6601  	// result: (ANDWconst [c & d] x)
  6602  	for {
  6603  		c := v.AuxInt
  6604  		v_0 := v.Args[0]
  6605  		if v_0.Op != OpS390XANDWconst {
  6606  			break
  6607  		}
  6608  		d := v_0.AuxInt
  6609  		x := v_0.Args[0]
  6610  		v.reset(OpS390XANDWconst)
  6611  		v.AuxInt = c & d
  6612  		v.AddArg(x)
  6613  		return true
  6614  	}
  6615  	// match: (ANDWconst [0xFF] x)
  6616  	// cond:
  6617  	// result: (MOVBZreg x)
  6618  	for {
  6619  		if v.AuxInt != 0xFF {
  6620  			break
  6621  		}
  6622  		x := v.Args[0]
  6623  		v.reset(OpS390XMOVBZreg)
  6624  		v.AddArg(x)
  6625  		return true
  6626  	}
  6627  	// match: (ANDWconst [0xFFFF] x)
  6628  	// cond:
  6629  	// result: (MOVHZreg x)
  6630  	for {
  6631  		if v.AuxInt != 0xFFFF {
  6632  			break
  6633  		}
  6634  		x := v.Args[0]
  6635  		v.reset(OpS390XMOVHZreg)
  6636  		v.AddArg(x)
  6637  		return true
  6638  	}
  6639  	// match: (ANDWconst [c] _)
  6640  	// cond: int32(c)==0
  6641  	// result: (MOVDconst [0])
  6642  	for {
  6643  		c := v.AuxInt
  6644  		if !(int32(c) == 0) {
  6645  			break
  6646  		}
  6647  		v.reset(OpS390XMOVDconst)
  6648  		v.AuxInt = 0
  6649  		return true
  6650  	}
  6651  	// match: (ANDWconst [c] x)
  6652  	// cond: int32(c)==-1
  6653  	// result: x
  6654  	for {
  6655  		c := v.AuxInt
  6656  		x := v.Args[0]
  6657  		if !(int32(c) == -1) {
  6658  			break
  6659  		}
  6660  		v.reset(OpCopy)
  6661  		v.Type = x.Type
  6662  		v.AddArg(x)
  6663  		return true
  6664  	}
  6665  	// match: (ANDWconst [c] (MOVDconst [d]))
  6666  	// cond:
  6667  	// result: (MOVDconst [c&d])
  6668  	for {
  6669  		c := v.AuxInt
  6670  		v_0 := v.Args[0]
  6671  		if v_0.Op != OpS390XMOVDconst {
  6672  			break
  6673  		}
  6674  		d := v_0.AuxInt
  6675  		v.reset(OpS390XMOVDconst)
  6676  		v.AuxInt = c & d
  6677  		return true
  6678  	}
  6679  	return false
  6680  }
  6681  func rewriteValueS390X_OpS390XANDconst(v *Value, config *Config) bool {
  6682  	b := v.Block
  6683  	_ = b
  6684  	// match: (ANDconst [c] (ANDconst [d] x))
  6685  	// cond:
  6686  	// result: (ANDconst [c & d] x)
  6687  	for {
  6688  		c := v.AuxInt
  6689  		v_0 := v.Args[0]
  6690  		if v_0.Op != OpS390XANDconst {
  6691  			break
  6692  		}
  6693  		d := v_0.AuxInt
  6694  		x := v_0.Args[0]
  6695  		v.reset(OpS390XANDconst)
  6696  		v.AuxInt = c & d
  6697  		v.AddArg(x)
  6698  		return true
  6699  	}
  6700  	// match: (ANDconst [0] _)
  6701  	// cond:
  6702  	// result: (MOVDconst [0])
  6703  	for {
  6704  		if v.AuxInt != 0 {
  6705  			break
  6706  		}
  6707  		v.reset(OpS390XMOVDconst)
  6708  		v.AuxInt = 0
  6709  		return true
  6710  	}
  6711  	// match: (ANDconst [-1] x)
  6712  	// cond:
  6713  	// result: x
  6714  	for {
  6715  		if v.AuxInt != -1 {
  6716  			break
  6717  		}
  6718  		x := v.Args[0]
  6719  		v.reset(OpCopy)
  6720  		v.Type = x.Type
  6721  		v.AddArg(x)
  6722  		return true
  6723  	}
  6724  	// match: (ANDconst [c] (MOVDconst [d]))
  6725  	// cond:
  6726  	// result: (MOVDconst [c&d])
  6727  	for {
  6728  		c := v.AuxInt
  6729  		v_0 := v.Args[0]
  6730  		if v_0.Op != OpS390XMOVDconst {
  6731  			break
  6732  		}
  6733  		d := v_0.AuxInt
  6734  		v.reset(OpS390XMOVDconst)
  6735  		v.AuxInt = c & d
  6736  		return true
  6737  	}
  6738  	return false
  6739  }
  6740  func rewriteValueS390X_OpS390XCMP(v *Value, config *Config) bool {
  6741  	b := v.Block
  6742  	_ = b
  6743  	// match: (CMP x (MOVDconst [c]))
  6744  	// cond: is32Bit(c)
  6745  	// result: (CMPconst x [c])
  6746  	for {
  6747  		x := v.Args[0]
  6748  		v_1 := v.Args[1]
  6749  		if v_1.Op != OpS390XMOVDconst {
  6750  			break
  6751  		}
  6752  		c := v_1.AuxInt
  6753  		if !(is32Bit(c)) {
  6754  			break
  6755  		}
  6756  		v.reset(OpS390XCMPconst)
  6757  		v.AuxInt = c
  6758  		v.AddArg(x)
  6759  		return true
  6760  	}
  6761  	// match: (CMP (MOVDconst [c]) x)
  6762  	// cond: is32Bit(c)
  6763  	// result: (InvertFlags (CMPconst x [c]))
  6764  	for {
  6765  		v_0 := v.Args[0]
  6766  		if v_0.Op != OpS390XMOVDconst {
  6767  			break
  6768  		}
  6769  		c := v_0.AuxInt
  6770  		x := v.Args[1]
  6771  		if !(is32Bit(c)) {
  6772  			break
  6773  		}
  6774  		v.reset(OpS390XInvertFlags)
  6775  		v0 := b.NewValue0(v.Line, OpS390XCMPconst, TypeFlags)
  6776  		v0.AuxInt = c
  6777  		v0.AddArg(x)
  6778  		v.AddArg(v0)
  6779  		return true
  6780  	}
  6781  	return false
  6782  }
  6783  func rewriteValueS390X_OpS390XCMPU(v *Value, config *Config) bool {
  6784  	b := v.Block
  6785  	_ = b
  6786  	// match: (CMPU x (MOVDconst [c]))
  6787  	// cond: isU32Bit(c)
  6788  	// result: (CMPUconst x [int64(uint32(c))])
  6789  	for {
  6790  		x := v.Args[0]
  6791  		v_1 := v.Args[1]
  6792  		if v_1.Op != OpS390XMOVDconst {
  6793  			break
  6794  		}
  6795  		c := v_1.AuxInt
  6796  		if !(isU32Bit(c)) {
  6797  			break
  6798  		}
  6799  		v.reset(OpS390XCMPUconst)
  6800  		v.AuxInt = int64(uint32(c))
  6801  		v.AddArg(x)
  6802  		return true
  6803  	}
  6804  	// match: (CMPU (MOVDconst [c]) x)
  6805  	// cond: isU32Bit(c)
  6806  	// result: (InvertFlags (CMPUconst x [int64(uint32(c))]))
  6807  	for {
  6808  		v_0 := v.Args[0]
  6809  		if v_0.Op != OpS390XMOVDconst {
  6810  			break
  6811  		}
  6812  		c := v_0.AuxInt
  6813  		x := v.Args[1]
  6814  		if !(isU32Bit(c)) {
  6815  			break
  6816  		}
  6817  		v.reset(OpS390XInvertFlags)
  6818  		v0 := b.NewValue0(v.Line, OpS390XCMPUconst, TypeFlags)
  6819  		v0.AuxInt = int64(uint32(c))
  6820  		v0.AddArg(x)
  6821  		v.AddArg(v0)
  6822  		return true
  6823  	}
  6824  	return false
  6825  }
  6826  func rewriteValueS390X_OpS390XCMPUconst(v *Value, config *Config) bool {
  6827  	b := v.Block
  6828  	_ = b
  6829  	// match: (CMPUconst (MOVDconst [x]) [y])
  6830  	// cond: uint64(x)==uint64(y)
  6831  	// result: (FlagEQ)
  6832  	for {
  6833  		y := v.AuxInt
  6834  		v_0 := v.Args[0]
  6835  		if v_0.Op != OpS390XMOVDconst {
  6836  			break
  6837  		}
  6838  		x := v_0.AuxInt
  6839  		if !(uint64(x) == uint64(y)) {
  6840  			break
  6841  		}
  6842  		v.reset(OpS390XFlagEQ)
  6843  		return true
  6844  	}
  6845  	// match: (CMPUconst (MOVDconst [x]) [y])
  6846  	// cond: uint64(x)<uint64(y)
  6847  	// result: (FlagLT)
  6848  	for {
  6849  		y := v.AuxInt
  6850  		v_0 := v.Args[0]
  6851  		if v_0.Op != OpS390XMOVDconst {
  6852  			break
  6853  		}
  6854  		x := v_0.AuxInt
  6855  		if !(uint64(x) < uint64(y)) {
  6856  			break
  6857  		}
  6858  		v.reset(OpS390XFlagLT)
  6859  		return true
  6860  	}
  6861  	// match: (CMPUconst (MOVDconst [x]) [y])
  6862  	// cond: uint64(x)>uint64(y)
  6863  	// result: (FlagGT)
  6864  	for {
  6865  		y := v.AuxInt
  6866  		v_0 := v.Args[0]
  6867  		if v_0.Op != OpS390XMOVDconst {
  6868  			break
  6869  		}
  6870  		x := v_0.AuxInt
  6871  		if !(uint64(x) > uint64(y)) {
  6872  			break
  6873  		}
  6874  		v.reset(OpS390XFlagGT)
  6875  		return true
  6876  	}
  6877  	return false
  6878  }
  6879  func rewriteValueS390X_OpS390XCMPW(v *Value, config *Config) bool {
  6880  	b := v.Block
  6881  	_ = b
  6882  	// match: (CMPW x (MOVDconst [c]))
  6883  	// cond:
  6884  	// result: (CMPWconst x [c])
  6885  	for {
  6886  		x := v.Args[0]
  6887  		v_1 := v.Args[1]
  6888  		if v_1.Op != OpS390XMOVDconst {
  6889  			break
  6890  		}
  6891  		c := v_1.AuxInt
  6892  		v.reset(OpS390XCMPWconst)
  6893  		v.AuxInt = c
  6894  		v.AddArg(x)
  6895  		return true
  6896  	}
  6897  	// match: (CMPW (MOVDconst [c]) x)
  6898  	// cond:
  6899  	// result: (InvertFlags (CMPWconst x [c]))
  6900  	for {
  6901  		v_0 := v.Args[0]
  6902  		if v_0.Op != OpS390XMOVDconst {
  6903  			break
  6904  		}
  6905  		c := v_0.AuxInt
  6906  		x := v.Args[1]
  6907  		v.reset(OpS390XInvertFlags)
  6908  		v0 := b.NewValue0(v.Line, OpS390XCMPWconst, TypeFlags)
  6909  		v0.AuxInt = c
  6910  		v0.AddArg(x)
  6911  		v.AddArg(v0)
  6912  		return true
  6913  	}
  6914  	return false
  6915  }
  6916  func rewriteValueS390X_OpS390XCMPWU(v *Value, config *Config) bool {
  6917  	b := v.Block
  6918  	_ = b
  6919  	// match: (CMPWU x (MOVDconst [c]))
  6920  	// cond:
  6921  	// result: (CMPWUconst x [int64(uint32(c))])
  6922  	for {
  6923  		x := v.Args[0]
  6924  		v_1 := v.Args[1]
  6925  		if v_1.Op != OpS390XMOVDconst {
  6926  			break
  6927  		}
  6928  		c := v_1.AuxInt
  6929  		v.reset(OpS390XCMPWUconst)
  6930  		v.AuxInt = int64(uint32(c))
  6931  		v.AddArg(x)
  6932  		return true
  6933  	}
  6934  	// match: (CMPWU (MOVDconst [c]) x)
  6935  	// cond:
  6936  	// result: (InvertFlags (CMPWUconst x [int64(uint32(c))]))
  6937  	for {
  6938  		v_0 := v.Args[0]
  6939  		if v_0.Op != OpS390XMOVDconst {
  6940  			break
  6941  		}
  6942  		c := v_0.AuxInt
  6943  		x := v.Args[1]
  6944  		v.reset(OpS390XInvertFlags)
  6945  		v0 := b.NewValue0(v.Line, OpS390XCMPWUconst, TypeFlags)
  6946  		v0.AuxInt = int64(uint32(c))
  6947  		v0.AddArg(x)
  6948  		v.AddArg(v0)
  6949  		return true
  6950  	}
  6951  	return false
  6952  }
  6953  func rewriteValueS390X_OpS390XCMPWUconst(v *Value, config *Config) bool {
  6954  	b := v.Block
  6955  	_ = b
  6956  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6957  	// cond: uint32(x)==uint32(y)
  6958  	// result: (FlagEQ)
  6959  	for {
  6960  		y := v.AuxInt
  6961  		v_0 := v.Args[0]
  6962  		if v_0.Op != OpS390XMOVDconst {
  6963  			break
  6964  		}
  6965  		x := v_0.AuxInt
  6966  		if !(uint32(x) == uint32(y)) {
  6967  			break
  6968  		}
  6969  		v.reset(OpS390XFlagEQ)
  6970  		return true
  6971  	}
  6972  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6973  	// cond: uint32(x)<uint32(y)
  6974  	// result: (FlagLT)
  6975  	for {
  6976  		y := v.AuxInt
  6977  		v_0 := v.Args[0]
  6978  		if v_0.Op != OpS390XMOVDconst {
  6979  			break
  6980  		}
  6981  		x := v_0.AuxInt
  6982  		if !(uint32(x) < uint32(y)) {
  6983  			break
  6984  		}
  6985  		v.reset(OpS390XFlagLT)
  6986  		return true
  6987  	}
  6988  	// match: (CMPWUconst (MOVDconst [x]) [y])
  6989  	// cond: uint32(x)>uint32(y)
  6990  	// result: (FlagGT)
  6991  	for {
  6992  		y := v.AuxInt
  6993  		v_0 := v.Args[0]
  6994  		if v_0.Op != OpS390XMOVDconst {
  6995  			break
  6996  		}
  6997  		x := v_0.AuxInt
  6998  		if !(uint32(x) > uint32(y)) {
  6999  			break
  7000  		}
  7001  		v.reset(OpS390XFlagGT)
  7002  		return true
  7003  	}
  7004  	return false
  7005  }
  7006  func rewriteValueS390X_OpS390XCMPWconst(v *Value, config *Config) bool {
  7007  	b := v.Block
  7008  	_ = b
  7009  	// match: (CMPWconst (MOVDconst [x]) [y])
  7010  	// cond: int32(x)==int32(y)
  7011  	// result: (FlagEQ)
  7012  	for {
  7013  		y := v.AuxInt
  7014  		v_0 := v.Args[0]
  7015  		if v_0.Op != OpS390XMOVDconst {
  7016  			break
  7017  		}
  7018  		x := v_0.AuxInt
  7019  		if !(int32(x) == int32(y)) {
  7020  			break
  7021  		}
  7022  		v.reset(OpS390XFlagEQ)
  7023  		return true
  7024  	}
  7025  	// match: (CMPWconst (MOVDconst [x]) [y])
  7026  	// cond: int32(x)<int32(y)
  7027  	// result: (FlagLT)
  7028  	for {
  7029  		y := v.AuxInt
  7030  		v_0 := v.Args[0]
  7031  		if v_0.Op != OpS390XMOVDconst {
  7032  			break
  7033  		}
  7034  		x := v_0.AuxInt
  7035  		if !(int32(x) < int32(y)) {
  7036  			break
  7037  		}
  7038  		v.reset(OpS390XFlagLT)
  7039  		return true
  7040  	}
  7041  	// match: (CMPWconst (MOVDconst [x]) [y])
  7042  	// cond: int32(x)>int32(y)
  7043  	// result: (FlagGT)
  7044  	for {
  7045  		y := v.AuxInt
  7046  		v_0 := v.Args[0]
  7047  		if v_0.Op != OpS390XMOVDconst {
  7048  			break
  7049  		}
  7050  		x := v_0.AuxInt
  7051  		if !(int32(x) > int32(y)) {
  7052  			break
  7053  		}
  7054  		v.reset(OpS390XFlagGT)
  7055  		return true
  7056  	}
  7057  	// match: (CMPWconst (SRWconst _ [c]) [n])
  7058  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  7059  	// result: (FlagLT)
  7060  	for {
  7061  		n := v.AuxInt
  7062  		v_0 := v.Args[0]
  7063  		if v_0.Op != OpS390XSRWconst {
  7064  			break
  7065  		}
  7066  		c := v_0.AuxInt
  7067  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  7068  			break
  7069  		}
  7070  		v.reset(OpS390XFlagLT)
  7071  		return true
  7072  	}
  7073  	// match: (CMPWconst (ANDWconst _ [m]) [n])
  7074  	// cond: 0 <= int32(m) && int32(m) < int32(n)
  7075  	// result: (FlagLT)
  7076  	for {
  7077  		n := v.AuxInt
  7078  		v_0 := v.Args[0]
  7079  		if v_0.Op != OpS390XANDWconst {
  7080  			break
  7081  		}
  7082  		m := v_0.AuxInt
  7083  		if !(0 <= int32(m) && int32(m) < int32(n)) {
  7084  			break
  7085  		}
  7086  		v.reset(OpS390XFlagLT)
  7087  		return true
  7088  	}
  7089  	return false
  7090  }
  7091  func rewriteValueS390X_OpS390XCMPconst(v *Value, config *Config) bool {
  7092  	b := v.Block
  7093  	_ = b
  7094  	// match: (CMPconst (MOVDconst [x]) [y])
  7095  	// cond: x==y
  7096  	// result: (FlagEQ)
  7097  	for {
  7098  		y := v.AuxInt
  7099  		v_0 := v.Args[0]
  7100  		if v_0.Op != OpS390XMOVDconst {
  7101  			break
  7102  		}
  7103  		x := v_0.AuxInt
  7104  		if !(x == y) {
  7105  			break
  7106  		}
  7107  		v.reset(OpS390XFlagEQ)
  7108  		return true
  7109  	}
  7110  	// match: (CMPconst (MOVDconst [x]) [y])
  7111  	// cond: x<y
  7112  	// result: (FlagLT)
  7113  	for {
  7114  		y := v.AuxInt
  7115  		v_0 := v.Args[0]
  7116  		if v_0.Op != OpS390XMOVDconst {
  7117  			break
  7118  		}
  7119  		x := v_0.AuxInt
  7120  		if !(x < y) {
  7121  			break
  7122  		}
  7123  		v.reset(OpS390XFlagLT)
  7124  		return true
  7125  	}
  7126  	// match: (CMPconst (MOVDconst [x]) [y])
  7127  	// cond: x>y
  7128  	// result: (FlagGT)
  7129  	for {
  7130  		y := v.AuxInt
  7131  		v_0 := v.Args[0]
  7132  		if v_0.Op != OpS390XMOVDconst {
  7133  			break
  7134  		}
  7135  		x := v_0.AuxInt
  7136  		if !(x > y) {
  7137  			break
  7138  		}
  7139  		v.reset(OpS390XFlagGT)
  7140  		return true
  7141  	}
  7142  	// match: (CMPconst (MOVBZreg _) [c])
  7143  	// cond: 0xFF < c
  7144  	// result: (FlagLT)
  7145  	for {
  7146  		c := v.AuxInt
  7147  		v_0 := v.Args[0]
  7148  		if v_0.Op != OpS390XMOVBZreg {
  7149  			break
  7150  		}
  7151  		if !(0xFF < c) {
  7152  			break
  7153  		}
  7154  		v.reset(OpS390XFlagLT)
  7155  		return true
  7156  	}
  7157  	// match: (CMPconst (MOVHZreg _) [c])
  7158  	// cond: 0xFFFF < c
  7159  	// result: (FlagLT)
  7160  	for {
  7161  		c := v.AuxInt
  7162  		v_0 := v.Args[0]
  7163  		if v_0.Op != OpS390XMOVHZreg {
  7164  			break
  7165  		}
  7166  		if !(0xFFFF < c) {
  7167  			break
  7168  		}
  7169  		v.reset(OpS390XFlagLT)
  7170  		return true
  7171  	}
  7172  	// match: (CMPconst (MOVWZreg _) [c])
  7173  	// cond: 0xFFFFFFFF < c
  7174  	// result: (FlagLT)
  7175  	for {
  7176  		c := v.AuxInt
  7177  		v_0 := v.Args[0]
  7178  		if v_0.Op != OpS390XMOVWZreg {
  7179  			break
  7180  		}
  7181  		if !(0xFFFFFFFF < c) {
  7182  			break
  7183  		}
  7184  		v.reset(OpS390XFlagLT)
  7185  		return true
  7186  	}
  7187  	// match: (CMPconst (SRDconst _ [c]) [n])
  7188  	// cond: 0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)
  7189  	// result: (FlagLT)
  7190  	for {
  7191  		n := v.AuxInt
  7192  		v_0 := v.Args[0]
  7193  		if v_0.Op != OpS390XSRDconst {
  7194  			break
  7195  		}
  7196  		c := v_0.AuxInt
  7197  		if !(0 <= n && 0 < c && c <= 64 && (1<<uint64(64-c)) <= uint64(n)) {
  7198  			break
  7199  		}
  7200  		v.reset(OpS390XFlagLT)
  7201  		return true
  7202  	}
  7203  	// match: (CMPconst (ANDconst _ [m]) [n])
  7204  	// cond: 0 <= m && m < n
  7205  	// result: (FlagLT)
  7206  	for {
  7207  		n := v.AuxInt
  7208  		v_0 := v.Args[0]
  7209  		if v_0.Op != OpS390XANDconst {
  7210  			break
  7211  		}
  7212  		m := v_0.AuxInt
  7213  		if !(0 <= m && m < n) {
  7214  			break
  7215  		}
  7216  		v.reset(OpS390XFlagLT)
  7217  		return true
  7218  	}
  7219  	return false
  7220  }
  7221  func rewriteValueS390X_OpS390XFMOVDload(v *Value, config *Config) bool {
  7222  	b := v.Block
  7223  	_ = b
  7224  	// match: (FMOVDload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7225  	// cond: is20Bit(off1+off2)
  7226  	// result: (FMOVDload [off1+off2] {sym} ptr mem)
  7227  	for {
  7228  		off1 := v.AuxInt
  7229  		sym := v.Aux
  7230  		v_0 := v.Args[0]
  7231  		if v_0.Op != OpS390XADDconst {
  7232  			break
  7233  		}
  7234  		off2 := v_0.AuxInt
  7235  		ptr := v_0.Args[0]
  7236  		mem := v.Args[1]
  7237  		if !(is20Bit(off1 + off2)) {
  7238  			break
  7239  		}
  7240  		v.reset(OpS390XFMOVDload)
  7241  		v.AuxInt = off1 + off2
  7242  		v.Aux = sym
  7243  		v.AddArg(ptr)
  7244  		v.AddArg(mem)
  7245  		return true
  7246  	}
  7247  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7248  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7249  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7250  	for {
  7251  		off1 := v.AuxInt
  7252  		sym1 := v.Aux
  7253  		v_0 := v.Args[0]
  7254  		if v_0.Op != OpS390XMOVDaddr {
  7255  			break
  7256  		}
  7257  		off2 := v_0.AuxInt
  7258  		sym2 := v_0.Aux
  7259  		base := v_0.Args[0]
  7260  		mem := v.Args[1]
  7261  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7262  			break
  7263  		}
  7264  		v.reset(OpS390XFMOVDload)
  7265  		v.AuxInt = off1 + off2
  7266  		v.Aux = mergeSym(sym1, sym2)
  7267  		v.AddArg(base)
  7268  		v.AddArg(mem)
  7269  		return true
  7270  	}
  7271  	// match: (FMOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7272  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7273  	// result: (FMOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7274  	for {
  7275  		off1 := v.AuxInt
  7276  		sym1 := v.Aux
  7277  		v_0 := v.Args[0]
  7278  		if v_0.Op != OpS390XMOVDaddridx {
  7279  			break
  7280  		}
  7281  		off2 := v_0.AuxInt
  7282  		sym2 := v_0.Aux
  7283  		ptr := v_0.Args[0]
  7284  		idx := v_0.Args[1]
  7285  		mem := v.Args[1]
  7286  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7287  			break
  7288  		}
  7289  		v.reset(OpS390XFMOVDloadidx)
  7290  		v.AuxInt = off1 + off2
  7291  		v.Aux = mergeSym(sym1, sym2)
  7292  		v.AddArg(ptr)
  7293  		v.AddArg(idx)
  7294  		v.AddArg(mem)
  7295  		return true
  7296  	}
  7297  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  7298  	// cond: ptr.Op != OpSB
  7299  	// result: (FMOVDloadidx [off] {sym} ptr idx mem)
  7300  	for {
  7301  		off := v.AuxInt
  7302  		sym := v.Aux
  7303  		v_0 := v.Args[0]
  7304  		if v_0.Op != OpS390XADD {
  7305  			break
  7306  		}
  7307  		ptr := v_0.Args[0]
  7308  		idx := v_0.Args[1]
  7309  		mem := v.Args[1]
  7310  		if !(ptr.Op != OpSB) {
  7311  			break
  7312  		}
  7313  		v.reset(OpS390XFMOVDloadidx)
  7314  		v.AuxInt = off
  7315  		v.Aux = sym
  7316  		v.AddArg(ptr)
  7317  		v.AddArg(idx)
  7318  		v.AddArg(mem)
  7319  		return true
  7320  	}
  7321  	return false
  7322  }
  7323  func rewriteValueS390X_OpS390XFMOVDloadidx(v *Value, config *Config) bool {
  7324  	b := v.Block
  7325  	_ = b
  7326  	// match: (FMOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7327  	// cond:
  7328  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7329  	for {
  7330  		c := v.AuxInt
  7331  		sym := v.Aux
  7332  		v_0 := v.Args[0]
  7333  		if v_0.Op != OpS390XADDconst {
  7334  			break
  7335  		}
  7336  		d := v_0.AuxInt
  7337  		ptr := v_0.Args[0]
  7338  		idx := v.Args[1]
  7339  		mem := v.Args[2]
  7340  		v.reset(OpS390XFMOVDloadidx)
  7341  		v.AuxInt = c + d
  7342  		v.Aux = sym
  7343  		v.AddArg(ptr)
  7344  		v.AddArg(idx)
  7345  		v.AddArg(mem)
  7346  		return true
  7347  	}
  7348  	// match: (FMOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7349  	// cond:
  7350  	// result: (FMOVDloadidx [c+d] {sym} ptr idx mem)
  7351  	for {
  7352  		c := v.AuxInt
  7353  		sym := v.Aux
  7354  		ptr := v.Args[0]
  7355  		v_1 := v.Args[1]
  7356  		if v_1.Op != OpS390XADDconst {
  7357  			break
  7358  		}
  7359  		d := v_1.AuxInt
  7360  		idx := v_1.Args[0]
  7361  		mem := v.Args[2]
  7362  		v.reset(OpS390XFMOVDloadidx)
  7363  		v.AuxInt = c + d
  7364  		v.Aux = sym
  7365  		v.AddArg(ptr)
  7366  		v.AddArg(idx)
  7367  		v.AddArg(mem)
  7368  		return true
  7369  	}
  7370  	return false
  7371  }
  7372  func rewriteValueS390X_OpS390XFMOVDstore(v *Value, config *Config) bool {
  7373  	b := v.Block
  7374  	_ = b
  7375  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7376  	// cond: is20Bit(off1+off2)
  7377  	// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
  7378  	for {
  7379  		off1 := v.AuxInt
  7380  		sym := v.Aux
  7381  		v_0 := v.Args[0]
  7382  		if v_0.Op != OpS390XADDconst {
  7383  			break
  7384  		}
  7385  		off2 := v_0.AuxInt
  7386  		ptr := v_0.Args[0]
  7387  		val := v.Args[1]
  7388  		mem := v.Args[2]
  7389  		if !(is20Bit(off1 + off2)) {
  7390  			break
  7391  		}
  7392  		v.reset(OpS390XFMOVDstore)
  7393  		v.AuxInt = off1 + off2
  7394  		v.Aux = sym
  7395  		v.AddArg(ptr)
  7396  		v.AddArg(val)
  7397  		v.AddArg(mem)
  7398  		return true
  7399  	}
  7400  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7401  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7402  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7403  	for {
  7404  		off1 := v.AuxInt
  7405  		sym1 := v.Aux
  7406  		v_0 := v.Args[0]
  7407  		if v_0.Op != OpS390XMOVDaddr {
  7408  			break
  7409  		}
  7410  		off2 := v_0.AuxInt
  7411  		sym2 := v_0.Aux
  7412  		base := v_0.Args[0]
  7413  		val := v.Args[1]
  7414  		mem := v.Args[2]
  7415  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7416  			break
  7417  		}
  7418  		v.reset(OpS390XFMOVDstore)
  7419  		v.AuxInt = off1 + off2
  7420  		v.Aux = mergeSym(sym1, sym2)
  7421  		v.AddArg(base)
  7422  		v.AddArg(val)
  7423  		v.AddArg(mem)
  7424  		return true
  7425  	}
  7426  	// match: (FMOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7427  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7428  	// result: (FMOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7429  	for {
  7430  		off1 := v.AuxInt
  7431  		sym1 := v.Aux
  7432  		v_0 := v.Args[0]
  7433  		if v_0.Op != OpS390XMOVDaddridx {
  7434  			break
  7435  		}
  7436  		off2 := v_0.AuxInt
  7437  		sym2 := v_0.Aux
  7438  		ptr := v_0.Args[0]
  7439  		idx := v_0.Args[1]
  7440  		val := v.Args[1]
  7441  		mem := v.Args[2]
  7442  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7443  			break
  7444  		}
  7445  		v.reset(OpS390XFMOVDstoreidx)
  7446  		v.AuxInt = off1 + off2
  7447  		v.Aux = mergeSym(sym1, sym2)
  7448  		v.AddArg(ptr)
  7449  		v.AddArg(idx)
  7450  		v.AddArg(val)
  7451  		v.AddArg(mem)
  7452  		return true
  7453  	}
  7454  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  7455  	// cond: ptr.Op != OpSB
  7456  	// result: (FMOVDstoreidx [off] {sym} ptr idx val mem)
  7457  	for {
  7458  		off := v.AuxInt
  7459  		sym := v.Aux
  7460  		v_0 := v.Args[0]
  7461  		if v_0.Op != OpS390XADD {
  7462  			break
  7463  		}
  7464  		ptr := v_0.Args[0]
  7465  		idx := v_0.Args[1]
  7466  		val := v.Args[1]
  7467  		mem := v.Args[2]
  7468  		if !(ptr.Op != OpSB) {
  7469  			break
  7470  		}
  7471  		v.reset(OpS390XFMOVDstoreidx)
  7472  		v.AuxInt = off
  7473  		v.Aux = sym
  7474  		v.AddArg(ptr)
  7475  		v.AddArg(idx)
  7476  		v.AddArg(val)
  7477  		v.AddArg(mem)
  7478  		return true
  7479  	}
  7480  	return false
  7481  }
  7482  func rewriteValueS390X_OpS390XFMOVDstoreidx(v *Value, config *Config) bool {
  7483  	b := v.Block
  7484  	_ = b
  7485  	// match: (FMOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7486  	// cond:
  7487  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7488  	for {
  7489  		c := v.AuxInt
  7490  		sym := v.Aux
  7491  		v_0 := v.Args[0]
  7492  		if v_0.Op != OpS390XADDconst {
  7493  			break
  7494  		}
  7495  		d := v_0.AuxInt
  7496  		ptr := v_0.Args[0]
  7497  		idx := v.Args[1]
  7498  		val := v.Args[2]
  7499  		mem := v.Args[3]
  7500  		v.reset(OpS390XFMOVDstoreidx)
  7501  		v.AuxInt = c + d
  7502  		v.Aux = sym
  7503  		v.AddArg(ptr)
  7504  		v.AddArg(idx)
  7505  		v.AddArg(val)
  7506  		v.AddArg(mem)
  7507  		return true
  7508  	}
  7509  	// match: (FMOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7510  	// cond:
  7511  	// result: (FMOVDstoreidx [c+d] {sym} ptr idx val mem)
  7512  	for {
  7513  		c := v.AuxInt
  7514  		sym := v.Aux
  7515  		ptr := v.Args[0]
  7516  		v_1 := v.Args[1]
  7517  		if v_1.Op != OpS390XADDconst {
  7518  			break
  7519  		}
  7520  		d := v_1.AuxInt
  7521  		idx := v_1.Args[0]
  7522  		val := v.Args[2]
  7523  		mem := v.Args[3]
  7524  		v.reset(OpS390XFMOVDstoreidx)
  7525  		v.AuxInt = c + d
  7526  		v.Aux = sym
  7527  		v.AddArg(ptr)
  7528  		v.AddArg(idx)
  7529  		v.AddArg(val)
  7530  		v.AddArg(mem)
  7531  		return true
  7532  	}
  7533  	return false
  7534  }
  7535  func rewriteValueS390X_OpS390XFMOVSload(v *Value, config *Config) bool {
  7536  	b := v.Block
  7537  	_ = b
  7538  	// match: (FMOVSload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7539  	// cond: is20Bit(off1+off2)
  7540  	// result: (FMOVSload [off1+off2] {sym} ptr mem)
  7541  	for {
  7542  		off1 := v.AuxInt
  7543  		sym := v.Aux
  7544  		v_0 := v.Args[0]
  7545  		if v_0.Op != OpS390XADDconst {
  7546  			break
  7547  		}
  7548  		off2 := v_0.AuxInt
  7549  		ptr := v_0.Args[0]
  7550  		mem := v.Args[1]
  7551  		if !(is20Bit(off1 + off2)) {
  7552  			break
  7553  		}
  7554  		v.reset(OpS390XFMOVSload)
  7555  		v.AuxInt = off1 + off2
  7556  		v.Aux = sym
  7557  		v.AddArg(ptr)
  7558  		v.AddArg(mem)
  7559  		return true
  7560  	}
  7561  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7562  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7563  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7564  	for {
  7565  		off1 := v.AuxInt
  7566  		sym1 := v.Aux
  7567  		v_0 := v.Args[0]
  7568  		if v_0.Op != OpS390XMOVDaddr {
  7569  			break
  7570  		}
  7571  		off2 := v_0.AuxInt
  7572  		sym2 := v_0.Aux
  7573  		base := v_0.Args[0]
  7574  		mem := v.Args[1]
  7575  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7576  			break
  7577  		}
  7578  		v.reset(OpS390XFMOVSload)
  7579  		v.AuxInt = off1 + off2
  7580  		v.Aux = mergeSym(sym1, sym2)
  7581  		v.AddArg(base)
  7582  		v.AddArg(mem)
  7583  		return true
  7584  	}
  7585  	// match: (FMOVSload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7586  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7587  	// result: (FMOVSloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7588  	for {
  7589  		off1 := v.AuxInt
  7590  		sym1 := v.Aux
  7591  		v_0 := v.Args[0]
  7592  		if v_0.Op != OpS390XMOVDaddridx {
  7593  			break
  7594  		}
  7595  		off2 := v_0.AuxInt
  7596  		sym2 := v_0.Aux
  7597  		ptr := v_0.Args[0]
  7598  		idx := v_0.Args[1]
  7599  		mem := v.Args[1]
  7600  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7601  			break
  7602  		}
  7603  		v.reset(OpS390XFMOVSloadidx)
  7604  		v.AuxInt = off1 + off2
  7605  		v.Aux = mergeSym(sym1, sym2)
  7606  		v.AddArg(ptr)
  7607  		v.AddArg(idx)
  7608  		v.AddArg(mem)
  7609  		return true
  7610  	}
  7611  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  7612  	// cond: ptr.Op != OpSB
  7613  	// result: (FMOVSloadidx [off] {sym} ptr idx mem)
  7614  	for {
  7615  		off := v.AuxInt
  7616  		sym := v.Aux
  7617  		v_0 := v.Args[0]
  7618  		if v_0.Op != OpS390XADD {
  7619  			break
  7620  		}
  7621  		ptr := v_0.Args[0]
  7622  		idx := v_0.Args[1]
  7623  		mem := v.Args[1]
  7624  		if !(ptr.Op != OpSB) {
  7625  			break
  7626  		}
  7627  		v.reset(OpS390XFMOVSloadidx)
  7628  		v.AuxInt = off
  7629  		v.Aux = sym
  7630  		v.AddArg(ptr)
  7631  		v.AddArg(idx)
  7632  		v.AddArg(mem)
  7633  		return true
  7634  	}
  7635  	return false
  7636  }
  7637  func rewriteValueS390X_OpS390XFMOVSloadidx(v *Value, config *Config) bool {
  7638  	b := v.Block
  7639  	_ = b
  7640  	// match: (FMOVSloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7641  	// cond:
  7642  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7643  	for {
  7644  		c := v.AuxInt
  7645  		sym := v.Aux
  7646  		v_0 := v.Args[0]
  7647  		if v_0.Op != OpS390XADDconst {
  7648  			break
  7649  		}
  7650  		d := v_0.AuxInt
  7651  		ptr := v_0.Args[0]
  7652  		idx := v.Args[1]
  7653  		mem := v.Args[2]
  7654  		v.reset(OpS390XFMOVSloadidx)
  7655  		v.AuxInt = c + d
  7656  		v.Aux = sym
  7657  		v.AddArg(ptr)
  7658  		v.AddArg(idx)
  7659  		v.AddArg(mem)
  7660  		return true
  7661  	}
  7662  	// match: (FMOVSloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7663  	// cond:
  7664  	// result: (FMOVSloadidx [c+d] {sym} ptr idx mem)
  7665  	for {
  7666  		c := v.AuxInt
  7667  		sym := v.Aux
  7668  		ptr := v.Args[0]
  7669  		v_1 := v.Args[1]
  7670  		if v_1.Op != OpS390XADDconst {
  7671  			break
  7672  		}
  7673  		d := v_1.AuxInt
  7674  		idx := v_1.Args[0]
  7675  		mem := v.Args[2]
  7676  		v.reset(OpS390XFMOVSloadidx)
  7677  		v.AuxInt = c + d
  7678  		v.Aux = sym
  7679  		v.AddArg(ptr)
  7680  		v.AddArg(idx)
  7681  		v.AddArg(mem)
  7682  		return true
  7683  	}
  7684  	return false
  7685  }
  7686  func rewriteValueS390X_OpS390XFMOVSstore(v *Value, config *Config) bool {
  7687  	b := v.Block
  7688  	_ = b
  7689  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7690  	// cond: is20Bit(off1+off2)
  7691  	// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
  7692  	for {
  7693  		off1 := v.AuxInt
  7694  		sym := v.Aux
  7695  		v_0 := v.Args[0]
  7696  		if v_0.Op != OpS390XADDconst {
  7697  			break
  7698  		}
  7699  		off2 := v_0.AuxInt
  7700  		ptr := v_0.Args[0]
  7701  		val := v.Args[1]
  7702  		mem := v.Args[2]
  7703  		if !(is20Bit(off1 + off2)) {
  7704  			break
  7705  		}
  7706  		v.reset(OpS390XFMOVSstore)
  7707  		v.AuxInt = off1 + off2
  7708  		v.Aux = sym
  7709  		v.AddArg(ptr)
  7710  		v.AddArg(val)
  7711  		v.AddArg(mem)
  7712  		return true
  7713  	}
  7714  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  7715  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7716  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7717  	for {
  7718  		off1 := v.AuxInt
  7719  		sym1 := v.Aux
  7720  		v_0 := v.Args[0]
  7721  		if v_0.Op != OpS390XMOVDaddr {
  7722  			break
  7723  		}
  7724  		off2 := v_0.AuxInt
  7725  		sym2 := v_0.Aux
  7726  		base := v_0.Args[0]
  7727  		val := v.Args[1]
  7728  		mem := v.Args[2]
  7729  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7730  			break
  7731  		}
  7732  		v.reset(OpS390XFMOVSstore)
  7733  		v.AuxInt = off1 + off2
  7734  		v.Aux = mergeSym(sym1, sym2)
  7735  		v.AddArg(base)
  7736  		v.AddArg(val)
  7737  		v.AddArg(mem)
  7738  		return true
  7739  	}
  7740  	// match: (FMOVSstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  7741  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7742  	// result: (FMOVSstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  7743  	for {
  7744  		off1 := v.AuxInt
  7745  		sym1 := v.Aux
  7746  		v_0 := v.Args[0]
  7747  		if v_0.Op != OpS390XMOVDaddridx {
  7748  			break
  7749  		}
  7750  		off2 := v_0.AuxInt
  7751  		sym2 := v_0.Aux
  7752  		ptr := v_0.Args[0]
  7753  		idx := v_0.Args[1]
  7754  		val := v.Args[1]
  7755  		mem := v.Args[2]
  7756  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7757  			break
  7758  		}
  7759  		v.reset(OpS390XFMOVSstoreidx)
  7760  		v.AuxInt = off1 + off2
  7761  		v.Aux = mergeSym(sym1, sym2)
  7762  		v.AddArg(ptr)
  7763  		v.AddArg(idx)
  7764  		v.AddArg(val)
  7765  		v.AddArg(mem)
  7766  		return true
  7767  	}
  7768  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7769  	// cond: ptr.Op != OpSB
  7770  	// result: (FMOVSstoreidx [off] {sym} ptr idx val mem)
  7771  	for {
  7772  		off := v.AuxInt
  7773  		sym := v.Aux
  7774  		v_0 := v.Args[0]
  7775  		if v_0.Op != OpS390XADD {
  7776  			break
  7777  		}
  7778  		ptr := v_0.Args[0]
  7779  		idx := v_0.Args[1]
  7780  		val := v.Args[1]
  7781  		mem := v.Args[2]
  7782  		if !(ptr.Op != OpSB) {
  7783  			break
  7784  		}
  7785  		v.reset(OpS390XFMOVSstoreidx)
  7786  		v.AuxInt = off
  7787  		v.Aux = sym
  7788  		v.AddArg(ptr)
  7789  		v.AddArg(idx)
  7790  		v.AddArg(val)
  7791  		v.AddArg(mem)
  7792  		return true
  7793  	}
  7794  	return false
  7795  }
  7796  func rewriteValueS390X_OpS390XFMOVSstoreidx(v *Value, config *Config) bool {
  7797  	b := v.Block
  7798  	_ = b
  7799  	// match: (FMOVSstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  7800  	// cond:
  7801  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7802  	for {
  7803  		c := v.AuxInt
  7804  		sym := v.Aux
  7805  		v_0 := v.Args[0]
  7806  		if v_0.Op != OpS390XADDconst {
  7807  			break
  7808  		}
  7809  		d := v_0.AuxInt
  7810  		ptr := v_0.Args[0]
  7811  		idx := v.Args[1]
  7812  		val := v.Args[2]
  7813  		mem := v.Args[3]
  7814  		v.reset(OpS390XFMOVSstoreidx)
  7815  		v.AuxInt = c + d
  7816  		v.Aux = sym
  7817  		v.AddArg(ptr)
  7818  		v.AddArg(idx)
  7819  		v.AddArg(val)
  7820  		v.AddArg(mem)
  7821  		return true
  7822  	}
  7823  	// match: (FMOVSstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  7824  	// cond:
  7825  	// result: (FMOVSstoreidx [c+d] {sym} ptr idx val mem)
  7826  	for {
  7827  		c := v.AuxInt
  7828  		sym := v.Aux
  7829  		ptr := v.Args[0]
  7830  		v_1 := v.Args[1]
  7831  		if v_1.Op != OpS390XADDconst {
  7832  			break
  7833  		}
  7834  		d := v_1.AuxInt
  7835  		idx := v_1.Args[0]
  7836  		val := v.Args[2]
  7837  		mem := v.Args[3]
  7838  		v.reset(OpS390XFMOVSstoreidx)
  7839  		v.AuxInt = c + d
  7840  		v.Aux = sym
  7841  		v.AddArg(ptr)
  7842  		v.AddArg(idx)
  7843  		v.AddArg(val)
  7844  		v.AddArg(mem)
  7845  		return true
  7846  	}
  7847  	return false
  7848  }
  7849  func rewriteValueS390X_OpS390XMOVBZload(v *Value, config *Config) bool {
  7850  	b := v.Block
  7851  	_ = b
  7852  	// match: (MOVBZload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  7853  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  7854  	// result: (MOVBZreg x)
  7855  	for {
  7856  		off := v.AuxInt
  7857  		sym := v.Aux
  7858  		ptr := v.Args[0]
  7859  		v_1 := v.Args[1]
  7860  		if v_1.Op != OpS390XMOVBstore {
  7861  			break
  7862  		}
  7863  		off2 := v_1.AuxInt
  7864  		sym2 := v_1.Aux
  7865  		ptr2 := v_1.Args[0]
  7866  		x := v_1.Args[1]
  7867  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  7868  			break
  7869  		}
  7870  		v.reset(OpS390XMOVBZreg)
  7871  		v.AddArg(x)
  7872  		return true
  7873  	}
  7874  	// match: (MOVBZload  [off1] {sym} (ADDconst [off2] ptr) mem)
  7875  	// cond: is20Bit(off1+off2)
  7876  	// result: (MOVBZload [off1+off2] {sym} ptr mem)
  7877  	for {
  7878  		off1 := v.AuxInt
  7879  		sym := v.Aux
  7880  		v_0 := v.Args[0]
  7881  		if v_0.Op != OpS390XADDconst {
  7882  			break
  7883  		}
  7884  		off2 := v_0.AuxInt
  7885  		ptr := v_0.Args[0]
  7886  		mem := v.Args[1]
  7887  		if !(is20Bit(off1 + off2)) {
  7888  			break
  7889  		}
  7890  		v.reset(OpS390XMOVBZload)
  7891  		v.AuxInt = off1 + off2
  7892  		v.Aux = sym
  7893  		v.AddArg(ptr)
  7894  		v.AddArg(mem)
  7895  		return true
  7896  	}
  7897  	// match: (MOVBZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  7898  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7899  	// result: (MOVBZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
  7900  	for {
  7901  		off1 := v.AuxInt
  7902  		sym1 := v.Aux
  7903  		v_0 := v.Args[0]
  7904  		if v_0.Op != OpS390XMOVDaddr {
  7905  			break
  7906  		}
  7907  		off2 := v_0.AuxInt
  7908  		sym2 := v_0.Aux
  7909  		base := v_0.Args[0]
  7910  		mem := v.Args[1]
  7911  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7912  			break
  7913  		}
  7914  		v.reset(OpS390XMOVBZload)
  7915  		v.AuxInt = off1 + off2
  7916  		v.Aux = mergeSym(sym1, sym2)
  7917  		v.AddArg(base)
  7918  		v.AddArg(mem)
  7919  		return true
  7920  	}
  7921  	// match: (MOVBZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
  7922  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  7923  	// result: (MOVBZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
  7924  	for {
  7925  		off1 := v.AuxInt
  7926  		sym1 := v.Aux
  7927  		v_0 := v.Args[0]
  7928  		if v_0.Op != OpS390XMOVDaddridx {
  7929  			break
  7930  		}
  7931  		off2 := v_0.AuxInt
  7932  		sym2 := v_0.Aux
  7933  		ptr := v_0.Args[0]
  7934  		idx := v_0.Args[1]
  7935  		mem := v.Args[1]
  7936  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  7937  			break
  7938  		}
  7939  		v.reset(OpS390XMOVBZloadidx)
  7940  		v.AuxInt = off1 + off2
  7941  		v.Aux = mergeSym(sym1, sym2)
  7942  		v.AddArg(ptr)
  7943  		v.AddArg(idx)
  7944  		v.AddArg(mem)
  7945  		return true
  7946  	}
  7947  	// match: (MOVBZload [off] {sym} (ADD ptr idx) mem)
  7948  	// cond: ptr.Op != OpSB
  7949  	// result: (MOVBZloadidx [off] {sym} ptr idx mem)
  7950  	for {
  7951  		off := v.AuxInt
  7952  		sym := v.Aux
  7953  		v_0 := v.Args[0]
  7954  		if v_0.Op != OpS390XADD {
  7955  			break
  7956  		}
  7957  		ptr := v_0.Args[0]
  7958  		idx := v_0.Args[1]
  7959  		mem := v.Args[1]
  7960  		if !(ptr.Op != OpSB) {
  7961  			break
  7962  		}
  7963  		v.reset(OpS390XMOVBZloadidx)
  7964  		v.AuxInt = off
  7965  		v.Aux = sym
  7966  		v.AddArg(ptr)
  7967  		v.AddArg(idx)
  7968  		v.AddArg(mem)
  7969  		return true
  7970  	}
  7971  	return false
  7972  }
  7973  func rewriteValueS390X_OpS390XMOVBZloadidx(v *Value, config *Config) bool {
  7974  	b := v.Block
  7975  	_ = b
  7976  	// match: (MOVBZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
  7977  	// cond:
  7978  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  7979  	for {
  7980  		c := v.AuxInt
  7981  		sym := v.Aux
  7982  		v_0 := v.Args[0]
  7983  		if v_0.Op != OpS390XADDconst {
  7984  			break
  7985  		}
  7986  		d := v_0.AuxInt
  7987  		ptr := v_0.Args[0]
  7988  		idx := v.Args[1]
  7989  		mem := v.Args[2]
  7990  		v.reset(OpS390XMOVBZloadidx)
  7991  		v.AuxInt = c + d
  7992  		v.Aux = sym
  7993  		v.AddArg(ptr)
  7994  		v.AddArg(idx)
  7995  		v.AddArg(mem)
  7996  		return true
  7997  	}
  7998  	// match: (MOVBZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
  7999  	// cond:
  8000  	// result: (MOVBZloadidx [c+d] {sym} ptr idx mem)
  8001  	for {
  8002  		c := v.AuxInt
  8003  		sym := v.Aux
  8004  		ptr := v.Args[0]
  8005  		v_1 := v.Args[1]
  8006  		if v_1.Op != OpS390XADDconst {
  8007  			break
  8008  		}
  8009  		d := v_1.AuxInt
  8010  		idx := v_1.Args[0]
  8011  		mem := v.Args[2]
  8012  		v.reset(OpS390XMOVBZloadidx)
  8013  		v.AuxInt = c + d
  8014  		v.Aux = sym
  8015  		v.AddArg(ptr)
  8016  		v.AddArg(idx)
  8017  		v.AddArg(mem)
  8018  		return true
  8019  	}
  8020  	return false
  8021  }
  8022  func rewriteValueS390X_OpS390XMOVBZreg(v *Value, config *Config) bool {
  8023  	b := v.Block
  8024  	_ = b
  8025  	// match: (MOVBZreg x:(MOVDLT (MOVDconst [c]) (MOVDconst [d]) _))
  8026  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8027  	// result: (MOVDreg x)
  8028  	for {
  8029  		x := v.Args[0]
  8030  		if x.Op != OpS390XMOVDLT {
  8031  			break
  8032  		}
  8033  		x_0 := x.Args[0]
  8034  		if x_0.Op != OpS390XMOVDconst {
  8035  			break
  8036  		}
  8037  		c := x_0.AuxInt
  8038  		x_1 := x.Args[1]
  8039  		if x_1.Op != OpS390XMOVDconst {
  8040  			break
  8041  		}
  8042  		d := x_1.AuxInt
  8043  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8044  			break
  8045  		}
  8046  		v.reset(OpS390XMOVDreg)
  8047  		v.AddArg(x)
  8048  		return true
  8049  	}
  8050  	// match: (MOVBZreg x:(MOVDLE (MOVDconst [c]) (MOVDconst [d]) _))
  8051  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8052  	// result: (MOVDreg x)
  8053  	for {
  8054  		x := v.Args[0]
  8055  		if x.Op != OpS390XMOVDLE {
  8056  			break
  8057  		}
  8058  		x_0 := x.Args[0]
  8059  		if x_0.Op != OpS390XMOVDconst {
  8060  			break
  8061  		}
  8062  		c := x_0.AuxInt
  8063  		x_1 := x.Args[1]
  8064  		if x_1.Op != OpS390XMOVDconst {
  8065  			break
  8066  		}
  8067  		d := x_1.AuxInt
  8068  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8069  			break
  8070  		}
  8071  		v.reset(OpS390XMOVDreg)
  8072  		v.AddArg(x)
  8073  		return true
  8074  	}
  8075  	// match: (MOVBZreg x:(MOVDGT (MOVDconst [c]) (MOVDconst [d]) _))
  8076  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8077  	// result: (MOVDreg x)
  8078  	for {
  8079  		x := v.Args[0]
  8080  		if x.Op != OpS390XMOVDGT {
  8081  			break
  8082  		}
  8083  		x_0 := x.Args[0]
  8084  		if x_0.Op != OpS390XMOVDconst {
  8085  			break
  8086  		}
  8087  		c := x_0.AuxInt
  8088  		x_1 := x.Args[1]
  8089  		if x_1.Op != OpS390XMOVDconst {
  8090  			break
  8091  		}
  8092  		d := x_1.AuxInt
  8093  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8094  			break
  8095  		}
  8096  		v.reset(OpS390XMOVDreg)
  8097  		v.AddArg(x)
  8098  		return true
  8099  	}
  8100  	// match: (MOVBZreg x:(MOVDGE (MOVDconst [c]) (MOVDconst [d]) _))
  8101  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8102  	// result: (MOVDreg x)
  8103  	for {
  8104  		x := v.Args[0]
  8105  		if x.Op != OpS390XMOVDGE {
  8106  			break
  8107  		}
  8108  		x_0 := x.Args[0]
  8109  		if x_0.Op != OpS390XMOVDconst {
  8110  			break
  8111  		}
  8112  		c := x_0.AuxInt
  8113  		x_1 := x.Args[1]
  8114  		if x_1.Op != OpS390XMOVDconst {
  8115  			break
  8116  		}
  8117  		d := x_1.AuxInt
  8118  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8119  			break
  8120  		}
  8121  		v.reset(OpS390XMOVDreg)
  8122  		v.AddArg(x)
  8123  		return true
  8124  	}
  8125  	// match: (MOVBZreg x:(MOVDEQ (MOVDconst [c]) (MOVDconst [d]) _))
  8126  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8127  	// result: (MOVDreg x)
  8128  	for {
  8129  		x := v.Args[0]
  8130  		if x.Op != OpS390XMOVDEQ {
  8131  			break
  8132  		}
  8133  		x_0 := x.Args[0]
  8134  		if x_0.Op != OpS390XMOVDconst {
  8135  			break
  8136  		}
  8137  		c := x_0.AuxInt
  8138  		x_1 := x.Args[1]
  8139  		if x_1.Op != OpS390XMOVDconst {
  8140  			break
  8141  		}
  8142  		d := x_1.AuxInt
  8143  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8144  			break
  8145  		}
  8146  		v.reset(OpS390XMOVDreg)
  8147  		v.AddArg(x)
  8148  		return true
  8149  	}
  8150  	// match: (MOVBZreg x:(MOVDNE (MOVDconst [c]) (MOVDconst [d]) _))
  8151  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8152  	// result: (MOVDreg x)
  8153  	for {
  8154  		x := v.Args[0]
  8155  		if x.Op != OpS390XMOVDNE {
  8156  			break
  8157  		}
  8158  		x_0 := x.Args[0]
  8159  		if x_0.Op != OpS390XMOVDconst {
  8160  			break
  8161  		}
  8162  		c := x_0.AuxInt
  8163  		x_1 := x.Args[1]
  8164  		if x_1.Op != OpS390XMOVDconst {
  8165  			break
  8166  		}
  8167  		d := x_1.AuxInt
  8168  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8169  			break
  8170  		}
  8171  		v.reset(OpS390XMOVDreg)
  8172  		v.AddArg(x)
  8173  		return true
  8174  	}
  8175  	// match: (MOVBZreg x:(MOVDGTnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8176  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8177  	// result: (MOVDreg x)
  8178  	for {
  8179  		x := v.Args[0]
  8180  		if x.Op != OpS390XMOVDGTnoinv {
  8181  			break
  8182  		}
  8183  		x_0 := x.Args[0]
  8184  		if x_0.Op != OpS390XMOVDconst {
  8185  			break
  8186  		}
  8187  		c := x_0.AuxInt
  8188  		x_1 := x.Args[1]
  8189  		if x_1.Op != OpS390XMOVDconst {
  8190  			break
  8191  		}
  8192  		d := x_1.AuxInt
  8193  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8194  			break
  8195  		}
  8196  		v.reset(OpS390XMOVDreg)
  8197  		v.AddArg(x)
  8198  		return true
  8199  	}
  8200  	// match: (MOVBZreg x:(MOVDGEnoinv (MOVDconst [c]) (MOVDconst [d]) _))
  8201  	// cond: int64(uint8(c)) == c && int64(uint8(d)) == d
  8202  	// result: (MOVDreg x)
  8203  	for {
  8204  		x := v.Args[0]
  8205  		if x.Op != OpS390XMOVDGEnoinv {
  8206  			break
  8207  		}
  8208  		x_0 := x.Args[0]
  8209  		if x_0.Op != OpS390XMOVDconst {
  8210  			break
  8211  		}
  8212  		c := x_0.AuxInt
  8213  		x_1 := x.Args[1]
  8214  		if x_1.Op != OpS390XMOVDconst {
  8215  			break
  8216  		}
  8217  		d := x_1.AuxInt
  8218  		if !(int64(uint8(c)) == c && int64(uint8(d)) == d) {
  8219  			break
  8220  		}
  8221  		v.reset(OpS390XMOVDreg)
  8222  		v.AddArg(x)
  8223  		return true
  8224  	}
  8225  	// match: (MOVBZreg x:(MOVBZload _ _))
  8226  	// cond:
  8227  	// result: (MOVDreg x)
  8228  	for {
  8229  		x := v.Args[0]
  8230  		if x.Op != OpS390XMOVBZload {
  8231  			break
  8232  		}
  8233  		v.reset(OpS390XMOVDreg)
  8234  		v.AddArg(x)
  8235  		return true
  8236  	}
  8237  	// match: (MOVBZreg x:(Arg <t>))
  8238  	// cond: is8BitInt(t) && !isSigned(t)
  8239  	// result: (MOVDreg x)
  8240  	for {
  8241  		x := v.Args[0]
  8242  		if x.Op != OpArg {
  8243  			break
  8244  		}
  8245  		t := x.Type
  8246  		if !(is8BitInt(t) && !isSigned(t)) {
  8247  			break
  8248  		}
  8249  		v.reset(OpS390XMOVDreg)
  8250  		v.AddArg(x)
  8251  		return true
  8252  	}
  8253  	// match: (MOVBZreg x:(MOVBZreg _))
  8254  	// cond:
  8255  	// result: (MOVDreg x)
  8256  	for {
  8257  		x := v.Args[0]
  8258  		if x.Op != OpS390XMOVBZreg {
  8259  			break
  8260  		}
  8261  		v.reset(OpS390XMOVDreg)
  8262  		v.AddArg(x)
  8263  		return true
  8264  	}
  8265  	// match: (MOVBZreg (MOVDconst [c]))
  8266  	// cond:
  8267  	// result: (MOVDconst [int64(uint8(c))])
  8268  	for {
  8269  		v_0 := v.Args[0]
  8270  		if v_0.Op != OpS390XMOVDconst {
  8271  			break
  8272  		}
  8273  		c := v_0.AuxInt
  8274  		v.reset(OpS390XMOVDconst)
  8275  		v.AuxInt = int64(uint8(c))
  8276  		return true
  8277  	}
  8278  	// match: (MOVBZreg x:(MOVBZload [off] {sym} ptr mem))
  8279  	// cond: x.Uses == 1 && clobber(x)
  8280  	// result: @x.Block (MOVBZload <v.Type> [off] {sym} ptr mem)
  8281  	for {
  8282  		x := v.Args[0]
  8283  		if x.Op != OpS390XMOVBZload {
  8284  			break
  8285  		}
  8286  		off := x.AuxInt
  8287  		sym := x.Aux
  8288  		ptr := x.Args[0]
  8289  		mem := x.Args[1]
  8290  		if !(x.Uses == 1 && clobber(x)) {
  8291  			break
  8292  		}
  8293  		b = x.Block
  8294  		v0 := b.NewValue0(v.Line, OpS390XMOVBZload, v.Type)
  8295  		v.reset(OpCopy)
  8296  		v.AddArg(v0)
  8297  		v0.AuxInt = off
  8298  		v0.Aux = sym
  8299  		v0.AddArg(ptr)
  8300  		v0.AddArg(mem)
  8301  		return true
  8302  	}
  8303  	// match: (MOVBZreg x:(MOVBZloadidx [off] {sym} ptr idx mem))
  8304  	// cond: x.Uses == 1 && clobber(x)
  8305  	// result: @x.Block (MOVBZloadidx <v.Type> [off] {sym} ptr idx mem)
  8306  	for {
  8307  		x := v.Args[0]
  8308  		if x.Op != OpS390XMOVBZloadidx {
  8309  			break
  8310  		}
  8311  		off := x.AuxInt
  8312  		sym := x.Aux
  8313  		ptr := x.Args[0]
  8314  		idx := x.Args[1]
  8315  		mem := x.Args[2]
  8316  		if !(x.Uses == 1 && clobber(x)) {
  8317  			break
  8318  		}
  8319  		b = x.Block
  8320  		v0 := b.NewValue0(v.Line, OpS390XMOVBZloadidx, v.Type)
  8321  		v.reset(OpCopy)
  8322  		v.AddArg(v0)
  8323  		v0.AuxInt = off
  8324  		v0.Aux = sym
  8325  		v0.AddArg(ptr)
  8326  		v0.AddArg(idx)
  8327  		v0.AddArg(mem)
  8328  		return true
  8329  	}
  8330  	return false
  8331  }
  8332  func rewriteValueS390X_OpS390XMOVBload(v *Value, config *Config) bool {
  8333  	b := v.Block
  8334  	_ = b
  8335  	// match: (MOVBload   [off1] {sym} (ADDconst [off2] ptr) mem)
  8336  	// cond: is20Bit(off1+off2)
  8337  	// result: (MOVBload  [off1+off2] {sym} ptr mem)
  8338  	for {
  8339  		off1 := v.AuxInt
  8340  		sym := v.Aux
  8341  		v_0 := v.Args[0]
  8342  		if v_0.Op != OpS390XADDconst {
  8343  			break
  8344  		}
  8345  		off2 := v_0.AuxInt
  8346  		ptr := v_0.Args[0]
  8347  		mem := v.Args[1]
  8348  		if !(is20Bit(off1 + off2)) {
  8349  			break
  8350  		}
  8351  		v.reset(OpS390XMOVBload)
  8352  		v.AuxInt = off1 + off2
  8353  		v.Aux = sym
  8354  		v.AddArg(ptr)
  8355  		v.AddArg(mem)
  8356  		return true
  8357  	}
  8358  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
  8359  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8360  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  8361  	for {
  8362  		off1 := v.AuxInt
  8363  		sym1 := v.Aux
  8364  		v_0 := v.Args[0]
  8365  		if v_0.Op != OpS390XMOVDaddr {
  8366  			break
  8367  		}
  8368  		off2 := v_0.AuxInt
  8369  		sym2 := v_0.Aux
  8370  		base := v_0.Args[0]
  8371  		mem := v.Args[1]
  8372  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8373  			break
  8374  		}
  8375  		v.reset(OpS390XMOVBload)
  8376  		v.AuxInt = off1 + off2
  8377  		v.Aux = mergeSym(sym1, sym2)
  8378  		v.AddArg(base)
  8379  		v.AddArg(mem)
  8380  		return true
  8381  	}
  8382  	return false
  8383  }
  8384  func rewriteValueS390X_OpS390XMOVBreg(v *Value, config *Config) bool {
  8385  	b := v.Block
  8386  	_ = b
  8387  	// match: (MOVBreg x:(MOVBload _ _))
  8388  	// cond:
  8389  	// result: (MOVDreg x)
  8390  	for {
  8391  		x := v.Args[0]
  8392  		if x.Op != OpS390XMOVBload {
  8393  			break
  8394  		}
  8395  		v.reset(OpS390XMOVDreg)
  8396  		v.AddArg(x)
  8397  		return true
  8398  	}
  8399  	// match: (MOVBreg x:(Arg <t>))
  8400  	// cond: is8BitInt(t) && isSigned(t)
  8401  	// result: (MOVDreg x)
  8402  	for {
  8403  		x := v.Args[0]
  8404  		if x.Op != OpArg {
  8405  			break
  8406  		}
  8407  		t := x.Type
  8408  		if !(is8BitInt(t) && isSigned(t)) {
  8409  			break
  8410  		}
  8411  		v.reset(OpS390XMOVDreg)
  8412  		v.AddArg(x)
  8413  		return true
  8414  	}
  8415  	// match: (MOVBreg x:(MOVBreg _))
  8416  	// cond:
  8417  	// result: (MOVDreg x)
  8418  	for {
  8419  		x := v.Args[0]
  8420  		if x.Op != OpS390XMOVBreg {
  8421  			break
  8422  		}
  8423  		v.reset(OpS390XMOVDreg)
  8424  		v.AddArg(x)
  8425  		return true
  8426  	}
  8427  	// match: (MOVBreg (MOVDconst [c]))
  8428  	// cond:
  8429  	// result: (MOVDconst [int64(int8(c))])
  8430  	for {
  8431  		v_0 := v.Args[0]
  8432  		if v_0.Op != OpS390XMOVDconst {
  8433  			break
  8434  		}
  8435  		c := v_0.AuxInt
  8436  		v.reset(OpS390XMOVDconst)
  8437  		v.AuxInt = int64(int8(c))
  8438  		return true
  8439  	}
  8440  	// match: (MOVBreg x:(MOVBZload [off] {sym} ptr mem))
  8441  	// cond: x.Uses == 1 && clobber(x)
  8442  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  8443  	for {
  8444  		x := v.Args[0]
  8445  		if x.Op != OpS390XMOVBZload {
  8446  			break
  8447  		}
  8448  		off := x.AuxInt
  8449  		sym := x.Aux
  8450  		ptr := x.Args[0]
  8451  		mem := x.Args[1]
  8452  		if !(x.Uses == 1 && clobber(x)) {
  8453  			break
  8454  		}
  8455  		b = x.Block
  8456  		v0 := b.NewValue0(v.Line, OpS390XMOVBload, v.Type)
  8457  		v.reset(OpCopy)
  8458  		v.AddArg(v0)
  8459  		v0.AuxInt = off
  8460  		v0.Aux = sym
  8461  		v0.AddArg(ptr)
  8462  		v0.AddArg(mem)
  8463  		return true
  8464  	}
  8465  	return false
  8466  }
  8467  func rewriteValueS390X_OpS390XMOVBstore(v *Value, config *Config) bool {
  8468  	b := v.Block
  8469  	_ = b
  8470  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8471  	// cond:
  8472  	// result: (MOVBstore [off] {sym} ptr x mem)
  8473  	for {
  8474  		off := v.AuxInt
  8475  		sym := v.Aux
  8476  		ptr := v.Args[0]
  8477  		v_1 := v.Args[1]
  8478  		if v_1.Op != OpS390XMOVBreg {
  8479  			break
  8480  		}
  8481  		x := v_1.Args[0]
  8482  		mem := v.Args[2]
  8483  		v.reset(OpS390XMOVBstore)
  8484  		v.AuxInt = off
  8485  		v.Aux = sym
  8486  		v.AddArg(ptr)
  8487  		v.AddArg(x)
  8488  		v.AddArg(mem)
  8489  		return true
  8490  	}
  8491  	// match: (MOVBstore [off] {sym} ptr (MOVBZreg x) mem)
  8492  	// cond:
  8493  	// result: (MOVBstore [off] {sym} ptr x mem)
  8494  	for {
  8495  		off := v.AuxInt
  8496  		sym := v.Aux
  8497  		ptr := v.Args[0]
  8498  		v_1 := v.Args[1]
  8499  		if v_1.Op != OpS390XMOVBZreg {
  8500  			break
  8501  		}
  8502  		x := v_1.Args[0]
  8503  		mem := v.Args[2]
  8504  		v.reset(OpS390XMOVBstore)
  8505  		v.AuxInt = off
  8506  		v.Aux = sym
  8507  		v.AddArg(ptr)
  8508  		v.AddArg(x)
  8509  		v.AddArg(mem)
  8510  		return true
  8511  	}
  8512  	// match: (MOVBstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
  8513  	// cond: is20Bit(off1+off2)
  8514  	// result: (MOVBstore  [off1+off2] {sym} ptr val mem)
  8515  	for {
  8516  		off1 := v.AuxInt
  8517  		sym := v.Aux
  8518  		v_0 := v.Args[0]
  8519  		if v_0.Op != OpS390XADDconst {
  8520  			break
  8521  		}
  8522  		off2 := v_0.AuxInt
  8523  		ptr := v_0.Args[0]
  8524  		val := v.Args[1]
  8525  		mem := v.Args[2]
  8526  		if !(is20Bit(off1 + off2)) {
  8527  			break
  8528  		}
  8529  		v.reset(OpS390XMOVBstore)
  8530  		v.AuxInt = off1 + off2
  8531  		v.Aux = sym
  8532  		v.AddArg(ptr)
  8533  		v.AddArg(val)
  8534  		v.AddArg(mem)
  8535  		return true
  8536  	}
  8537  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [c]) mem)
  8538  	// cond: validOff(off) && ptr.Op != OpSB
  8539  	// result: (MOVBstoreconst [makeValAndOff(int64(int8(c)),off)] {sym} ptr mem)
  8540  	for {
  8541  		off := v.AuxInt
  8542  		sym := v.Aux
  8543  		ptr := v.Args[0]
  8544  		v_1 := v.Args[1]
  8545  		if v_1.Op != OpS390XMOVDconst {
  8546  			break
  8547  		}
  8548  		c := v_1.AuxInt
  8549  		mem := v.Args[2]
  8550  		if !(validOff(off) && ptr.Op != OpSB) {
  8551  			break
  8552  		}
  8553  		v.reset(OpS390XMOVBstoreconst)
  8554  		v.AuxInt = makeValAndOff(int64(int8(c)), off)
  8555  		v.Aux = sym
  8556  		v.AddArg(ptr)
  8557  		v.AddArg(mem)
  8558  		return true
  8559  	}
  8560  	// match: (MOVBstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
  8561  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8562  	// result: (MOVBstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8563  	for {
  8564  		off1 := v.AuxInt
  8565  		sym1 := v.Aux
  8566  		v_0 := v.Args[0]
  8567  		if v_0.Op != OpS390XMOVDaddr {
  8568  			break
  8569  		}
  8570  		off2 := v_0.AuxInt
  8571  		sym2 := v_0.Aux
  8572  		base := v_0.Args[0]
  8573  		val := v.Args[1]
  8574  		mem := v.Args[2]
  8575  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8576  			break
  8577  		}
  8578  		v.reset(OpS390XMOVBstore)
  8579  		v.AuxInt = off1 + off2
  8580  		v.Aux = mergeSym(sym1, sym2)
  8581  		v.AddArg(base)
  8582  		v.AddArg(val)
  8583  		v.AddArg(mem)
  8584  		return true
  8585  	}
  8586  	// match: (MOVBstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
  8587  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
  8588  	// result: (MOVBstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
  8589  	for {
  8590  		off1 := v.AuxInt
  8591  		sym1 := v.Aux
  8592  		v_0 := v.Args[0]
  8593  		if v_0.Op != OpS390XMOVDaddridx {
  8594  			break
  8595  		}
  8596  		off2 := v_0.AuxInt
  8597  		sym2 := v_0.Aux
  8598  		ptr := v_0.Args[0]
  8599  		idx := v_0.Args[1]
  8600  		val := v.Args[1]
  8601  		mem := v.Args[2]
  8602  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
  8603  			break
  8604  		}
  8605  		v.reset(OpS390XMOVBstoreidx)
  8606  		v.AuxInt = off1 + off2
  8607  		v.Aux = mergeSym(sym1, sym2)
  8608  		v.AddArg(ptr)
  8609  		v.AddArg(idx)
  8610  		v.AddArg(val)
  8611  		v.AddArg(mem)
  8612  		return true
  8613  	}
  8614  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8615  	// cond: ptr.Op != OpSB
  8616  	// result: (MOVBstoreidx [off] {sym} ptr idx val mem)
  8617  	for {
  8618  		off := v.AuxInt
  8619  		sym := v.Aux
  8620  		v_0 := v.Args[0]
  8621  		if v_0.Op != OpS390XADD {
  8622  			break
  8623  		}
  8624  		ptr := v_0.Args[0]
  8625  		idx := v_0.Args[1]
  8626  		val := v.Args[1]
  8627  		mem := v.Args[2]
  8628  		if !(ptr.Op != OpSB) {
  8629  			break
  8630  		}
  8631  		v.reset(OpS390XMOVBstoreidx)
  8632  		v.AuxInt = off
  8633  		v.Aux = sym
  8634  		v.AddArg(ptr)
  8635  		v.AddArg(idx)
  8636  		v.AddArg(val)
  8637  		v.AddArg(mem)
  8638  		return true
  8639  	}
  8640  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRDconst [8] w) mem))
  8641  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8642  	// result: (MOVHstore [i-1] {s} p w mem)
  8643  	for {
  8644  		i := v.AuxInt
  8645  		s := v.Aux
  8646  		p := v.Args[0]
  8647  		w := v.Args[1]
  8648  		x := v.Args[2]
  8649  		if x.Op != OpS390XMOVBstore {
  8650  			break
  8651  		}
  8652  		if x.AuxInt != i-1 {
  8653  			break
  8654  		}
  8655  		if x.Aux != s {
  8656  			break
  8657  		}
  8658  		if p != x.Args[0] {
  8659  			break
  8660  		}
  8661  		x_1 := x.Args[1]
  8662  		if x_1.Op != OpS390XSRDconst {
  8663  			break
  8664  		}
  8665  		if x_1.AuxInt != 8 {
  8666  			break
  8667  		}
  8668  		if w != x_1.Args[0] {
  8669  			break
  8670  		}
  8671  		mem := x.Args[2]
  8672  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8673  			break
  8674  		}
  8675  		v.reset(OpS390XMOVHstore)
  8676  		v.AuxInt = i - 1
  8677  		v.Aux = s
  8678  		v.AddArg(p)
  8679  		v.AddArg(w)
  8680  		v.AddArg(mem)
  8681  		return true
  8682  	}
  8683  	// match: (MOVBstore [i] {s} p w0:(SRDconst [j] w) x:(MOVBstore [i-1] {s} p (SRDconst [j+8] w) mem))
  8684  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8685  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8686  	for {
  8687  		i := v.AuxInt
  8688  		s := v.Aux
  8689  		p := v.Args[0]
  8690  		w0 := v.Args[1]
  8691  		if w0.Op != OpS390XSRDconst {
  8692  			break
  8693  		}
  8694  		j := w0.AuxInt
  8695  		w := w0.Args[0]
  8696  		x := v.Args[2]
  8697  		if x.Op != OpS390XMOVBstore {
  8698  			break
  8699  		}
  8700  		if x.AuxInt != i-1 {
  8701  			break
  8702  		}
  8703  		if x.Aux != s {
  8704  			break
  8705  		}
  8706  		if p != x.Args[0] {
  8707  			break
  8708  		}
  8709  		x_1 := x.Args[1]
  8710  		if x_1.Op != OpS390XSRDconst {
  8711  			break
  8712  		}
  8713  		if x_1.AuxInt != j+8 {
  8714  			break
  8715  		}
  8716  		if w != x_1.Args[0] {
  8717  			break
  8718  		}
  8719  		mem := x.Args[2]
  8720  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8721  			break
  8722  		}
  8723  		v.reset(OpS390XMOVHstore)
  8724  		v.AuxInt = i - 1
  8725  		v.Aux = s
  8726  		v.AddArg(p)
  8727  		v.AddArg(w0)
  8728  		v.AddArg(mem)
  8729  		return true
  8730  	}
  8731  	// match: (MOVBstore [i] {s} p w x:(MOVBstore [i-1] {s} p (SRWconst [8] w) mem))
  8732  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8733  	// result: (MOVHstore [i-1] {s} p w mem)
  8734  	for {
  8735  		i := v.AuxInt
  8736  		s := v.Aux
  8737  		p := v.Args[0]
  8738  		w := v.Args[1]
  8739  		x := v.Args[2]
  8740  		if x.Op != OpS390XMOVBstore {
  8741  			break
  8742  		}
  8743  		if x.AuxInt != i-1 {
  8744  			break
  8745  		}
  8746  		if x.Aux != s {
  8747  			break
  8748  		}
  8749  		if p != x.Args[0] {
  8750  			break
  8751  		}
  8752  		x_1 := x.Args[1]
  8753  		if x_1.Op != OpS390XSRWconst {
  8754  			break
  8755  		}
  8756  		if x_1.AuxInt != 8 {
  8757  			break
  8758  		}
  8759  		if w != x_1.Args[0] {
  8760  			break
  8761  		}
  8762  		mem := x.Args[2]
  8763  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8764  			break
  8765  		}
  8766  		v.reset(OpS390XMOVHstore)
  8767  		v.AuxInt = i - 1
  8768  		v.Aux = s
  8769  		v.AddArg(p)
  8770  		v.AddArg(w)
  8771  		v.AddArg(mem)
  8772  		return true
  8773  	}
  8774  	// match: (MOVBstore [i] {s} p w0:(SRWconst [j] w) x:(MOVBstore [i-1] {s} p (SRWconst [j+8] w) mem))
  8775  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8776  	// result: (MOVHstore [i-1] {s} p w0 mem)
  8777  	for {
  8778  		i := v.AuxInt
  8779  		s := v.Aux
  8780  		p := v.Args[0]
  8781  		w0 := v.Args[1]
  8782  		if w0.Op != OpS390XSRWconst {
  8783  			break
  8784  		}
  8785  		j := w0.AuxInt
  8786  		w := w0.Args[0]
  8787  		x := v.Args[2]
  8788  		if x.Op != OpS390XMOVBstore {
  8789  			break
  8790  		}
  8791  		if x.AuxInt != i-1 {
  8792  			break
  8793  		}
  8794  		if x.Aux != s {
  8795  			break
  8796  		}
  8797  		if p != x.Args[0] {
  8798  			break
  8799  		}
  8800  		x_1 := x.Args[1]
  8801  		if x_1.Op != OpS390XSRWconst {
  8802  			break
  8803  		}
  8804  		if x_1.AuxInt != j+8 {
  8805  			break
  8806  		}
  8807  		if w != x_1.Args[0] {
  8808  			break
  8809  		}
  8810  		mem := x.Args[2]
  8811  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8812  			break
  8813  		}
  8814  		v.reset(OpS390XMOVHstore)
  8815  		v.AuxInt = i - 1
  8816  		v.Aux = s
  8817  		v.AddArg(p)
  8818  		v.AddArg(w0)
  8819  		v.AddArg(mem)
  8820  		return true
  8821  	}
  8822  	// match: (MOVBstore [i] {s} p (SRDconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8823  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8824  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8825  	for {
  8826  		i := v.AuxInt
  8827  		s := v.Aux
  8828  		p := v.Args[0]
  8829  		v_1 := v.Args[1]
  8830  		if v_1.Op != OpS390XSRDconst {
  8831  			break
  8832  		}
  8833  		if v_1.AuxInt != 8 {
  8834  			break
  8835  		}
  8836  		w := v_1.Args[0]
  8837  		x := v.Args[2]
  8838  		if x.Op != OpS390XMOVBstore {
  8839  			break
  8840  		}
  8841  		if x.AuxInt != i-1 {
  8842  			break
  8843  		}
  8844  		if x.Aux != s {
  8845  			break
  8846  		}
  8847  		if p != x.Args[0] {
  8848  			break
  8849  		}
  8850  		if w != x.Args[1] {
  8851  			break
  8852  		}
  8853  		mem := x.Args[2]
  8854  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8855  			break
  8856  		}
  8857  		v.reset(OpS390XMOVHBRstore)
  8858  		v.AuxInt = i - 1
  8859  		v.Aux = s
  8860  		v.AddArg(p)
  8861  		v.AddArg(w)
  8862  		v.AddArg(mem)
  8863  		return true
  8864  	}
  8865  	// match: (MOVBstore [i] {s} p (SRDconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRDconst [j-8] w) mem))
  8866  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8867  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8868  	for {
  8869  		i := v.AuxInt
  8870  		s := v.Aux
  8871  		p := v.Args[0]
  8872  		v_1 := v.Args[1]
  8873  		if v_1.Op != OpS390XSRDconst {
  8874  			break
  8875  		}
  8876  		j := v_1.AuxInt
  8877  		w := v_1.Args[0]
  8878  		x := v.Args[2]
  8879  		if x.Op != OpS390XMOVBstore {
  8880  			break
  8881  		}
  8882  		if x.AuxInt != i-1 {
  8883  			break
  8884  		}
  8885  		if x.Aux != s {
  8886  			break
  8887  		}
  8888  		if p != x.Args[0] {
  8889  			break
  8890  		}
  8891  		w0 := x.Args[1]
  8892  		if w0.Op != OpS390XSRDconst {
  8893  			break
  8894  		}
  8895  		if w0.AuxInt != j-8 {
  8896  			break
  8897  		}
  8898  		if w != w0.Args[0] {
  8899  			break
  8900  		}
  8901  		mem := x.Args[2]
  8902  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8903  			break
  8904  		}
  8905  		v.reset(OpS390XMOVHBRstore)
  8906  		v.AuxInt = i - 1
  8907  		v.Aux = s
  8908  		v.AddArg(p)
  8909  		v.AddArg(w0)
  8910  		v.AddArg(mem)
  8911  		return true
  8912  	}
  8913  	// match: (MOVBstore [i] {s} p (SRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  8914  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8915  	// result: (MOVHBRstore [i-1] {s} p w mem)
  8916  	for {
  8917  		i := v.AuxInt
  8918  		s := v.Aux
  8919  		p := v.Args[0]
  8920  		v_1 := v.Args[1]
  8921  		if v_1.Op != OpS390XSRWconst {
  8922  			break
  8923  		}
  8924  		if v_1.AuxInt != 8 {
  8925  			break
  8926  		}
  8927  		w := v_1.Args[0]
  8928  		x := v.Args[2]
  8929  		if x.Op != OpS390XMOVBstore {
  8930  			break
  8931  		}
  8932  		if x.AuxInt != i-1 {
  8933  			break
  8934  		}
  8935  		if x.Aux != s {
  8936  			break
  8937  		}
  8938  		if p != x.Args[0] {
  8939  			break
  8940  		}
  8941  		if w != x.Args[1] {
  8942  			break
  8943  		}
  8944  		mem := x.Args[2]
  8945  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8946  			break
  8947  		}
  8948  		v.reset(OpS390XMOVHBRstore)
  8949  		v.AuxInt = i - 1
  8950  		v.Aux = s
  8951  		v.AddArg(p)
  8952  		v.AddArg(w)
  8953  		v.AddArg(mem)
  8954  		return true
  8955  	}
  8956  	// match: (MOVBstore [i] {s} p (SRWconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SRWconst [j-8] w) mem))
  8957  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
  8958  	// result: (MOVHBRstore [i-1] {s} p w0 mem)
  8959  	for {
  8960  		i := v.AuxInt
  8961  		s := v.Aux
  8962  		p := v.Args[0]
  8963  		v_1 := v.Args[1]
  8964  		if v_1.Op != OpS390XSRWconst {
  8965  			break
  8966  		}
  8967  		j := v_1.AuxInt
  8968  		w := v_1.Args[0]
  8969  		x := v.Args[2]
  8970  		if x.Op != OpS390XMOVBstore {
  8971  			break
  8972  		}
  8973  		if x.AuxInt != i-1 {
  8974  			break
  8975  		}
  8976  		if x.Aux != s {
  8977  			break
  8978  		}
  8979  		if p != x.Args[0] {
  8980  			break
  8981  		}
  8982  		w0 := x.Args[1]
  8983  		if w0.Op != OpS390XSRWconst {
  8984  			break
  8985  		}
  8986  		if w0.AuxInt != j-8 {
  8987  			break
  8988  		}
  8989  		if w != w0.Args[0] {
  8990  			break
  8991  		}
  8992  		mem := x.Args[2]
  8993  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
  8994  			break
  8995  		}
  8996  		v.reset(OpS390XMOVHBRstore)
  8997  		v.AuxInt = i - 1
  8998  		v.Aux = s
  8999  		v.AddArg(p)
  9000  		v.AddArg(w0)
  9001  		v.AddArg(mem)
  9002  		return true
  9003  	}
  9004  	return false
  9005  }
  9006  func rewriteValueS390X_OpS390XMOVBstoreconst(v *Value, config *Config) bool {
  9007  	b := v.Block
  9008  	_ = b
  9009  	// match: (MOVBstoreconst [sc] {s} (ADDconst [off] ptr) mem)
  9010  	// cond: ValAndOff(sc).canAdd(off)
  9011  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
  9012  	for {
  9013  		sc := v.AuxInt
  9014  		s := v.Aux
  9015  		v_0 := v.Args[0]
  9016  		if v_0.Op != OpS390XADDconst {
  9017  			break
  9018  		}
  9019  		off := v_0.AuxInt
  9020  		ptr := v_0.Args[0]
  9021  		mem := v.Args[1]
  9022  		if !(ValAndOff(sc).canAdd(off)) {
  9023  			break
  9024  		}
  9025  		v.reset(OpS390XMOVBstoreconst)
  9026  		v.AuxInt = ValAndOff(sc).add(off)
  9027  		v.Aux = s
  9028  		v.AddArg(ptr)
  9029  		v.AddArg(mem)
  9030  		return true
  9031  	}
  9032  	// match: (MOVBstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
  9033  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
  9034  	// result: (MOVBstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
  9035  	for {
  9036  		sc := v.AuxInt
  9037  		sym1 := v.Aux
  9038  		v_0 := v.Args[0]
  9039  		if v_0.Op != OpS390XMOVDaddr {
  9040  			break
  9041  		}
  9042  		off := v_0.AuxInt
  9043  		sym2 := v_0.Aux
  9044  		ptr := v_0.Args[0]
  9045  		mem := v.Args[1]
  9046  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
  9047  			break
  9048  		}
  9049  		v.reset(OpS390XMOVBstoreconst)
  9050  		v.AuxInt = ValAndOff(sc).add(off)
  9051  		v.Aux = mergeSym(sym1, sym2)
  9052  		v.AddArg(ptr)
  9053  		v.AddArg(mem)
  9054  		return true
  9055  	}
  9056  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  9057  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 1 == ValAndOff(c).Off()   && clobber(x)
  9058  	// result: (MOVHstoreconst [makeValAndOff(ValAndOff(c).Val()&0xff | ValAndOff(a).Val()<<8, ValAndOff(a).Off())] {s} p mem)
  9059  	for {
  9060  		c := v.AuxInt
  9061  		s := v.Aux
  9062  		p := v.Args[0]
  9063  		x := v.Args[1]
  9064  		if x.Op != OpS390XMOVBstoreconst {
  9065  			break
  9066  		}
  9067  		a := x.AuxInt
  9068  		if x.Aux != s {
  9069  			break
  9070  		}
  9071  		if p != x.Args[0] {
  9072  			break
  9073  		}
  9074  		mem := x.Args[1]
  9075  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+1 == ValAndOff(c).Off() && clobber(x)) {
  9076  			break
  9077  		}
  9078  		v.reset(OpS390XMOVHstoreconst)
  9079  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xff|ValAndOff(a).Val()<<8, ValAndOff(a).Off())
  9080  		v.Aux = s
  9081  		v.AddArg(p)
  9082  		v.AddArg(mem)
  9083  		return true
  9084  	}
  9085  	return false
  9086  }
  9087  func rewriteValueS390X_OpS390XMOVBstoreidx(v *Value, config *Config) bool {
  9088  	b := v.Block
  9089  	_ = b
  9090  	// match: (MOVBstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
  9091  	// cond:
  9092  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9093  	for {
  9094  		c := v.AuxInt
  9095  		sym := v.Aux
  9096  		v_0 := v.Args[0]
  9097  		if v_0.Op != OpS390XADDconst {
  9098  			break
  9099  		}
  9100  		d := v_0.AuxInt
  9101  		ptr := v_0.Args[0]
  9102  		idx := v.Args[1]
  9103  		val := v.Args[2]
  9104  		mem := v.Args[3]
  9105  		v.reset(OpS390XMOVBstoreidx)
  9106  		v.AuxInt = c + d
  9107  		v.Aux = sym
  9108  		v.AddArg(ptr)
  9109  		v.AddArg(idx)
  9110  		v.AddArg(val)
  9111  		v.AddArg(mem)
  9112  		return true
  9113  	}
  9114  	// match: (MOVBstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
  9115  	// cond:
  9116  	// result: (MOVBstoreidx [c+d] {sym} ptr idx val mem)
  9117  	for {
  9118  		c := v.AuxInt
  9119  		sym := v.Aux
  9120  		ptr := v.Args[0]
  9121  		v_1 := v.Args[1]
  9122  		if v_1.Op != OpS390XADDconst {
  9123  			break
  9124  		}
  9125  		d := v_1.AuxInt
  9126  		idx := v_1.Args[0]
  9127  		val := v.Args[2]
  9128  		mem := v.Args[3]
  9129  		v.reset(OpS390XMOVBstoreidx)
  9130  		v.AuxInt = c + d
  9131  		v.Aux = sym
  9132  		v.AddArg(ptr)
  9133  		v.AddArg(idx)
  9134  		v.AddArg(val)
  9135  		v.AddArg(mem)
  9136  		return true
  9137  	}
  9138  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
  9139  	// cond: x.Uses == 1   && clobber(x)
  9140  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9141  	for {
  9142  		i := v.AuxInt
  9143  		s := v.Aux
  9144  		p := v.Args[0]
  9145  		idx := v.Args[1]
  9146  		w := v.Args[2]
  9147  		x := v.Args[3]
  9148  		if x.Op != OpS390XMOVBstoreidx {
  9149  			break
  9150  		}
  9151  		if x.AuxInt != i-1 {
  9152  			break
  9153  		}
  9154  		if x.Aux != s {
  9155  			break
  9156  		}
  9157  		if p != x.Args[0] {
  9158  			break
  9159  		}
  9160  		if idx != x.Args[1] {
  9161  			break
  9162  		}
  9163  		x_2 := x.Args[2]
  9164  		if x_2.Op != OpS390XSRDconst {
  9165  			break
  9166  		}
  9167  		if x_2.AuxInt != 8 {
  9168  			break
  9169  		}
  9170  		if w != x_2.Args[0] {
  9171  			break
  9172  		}
  9173  		mem := x.Args[3]
  9174  		if !(x.Uses == 1 && clobber(x)) {
  9175  			break
  9176  		}
  9177  		v.reset(OpS390XMOVHstoreidx)
  9178  		v.AuxInt = i - 1
  9179  		v.Aux = s
  9180  		v.AddArg(p)
  9181  		v.AddArg(idx)
  9182  		v.AddArg(w)
  9183  		v.AddArg(mem)
  9184  		return true
  9185  	}
  9186  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
  9187  	// cond: x.Uses == 1   && clobber(x)
  9188  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9189  	for {
  9190  		i := v.AuxInt
  9191  		s := v.Aux
  9192  		p := v.Args[0]
  9193  		idx := v.Args[1]
  9194  		w0 := v.Args[2]
  9195  		if w0.Op != OpS390XSRDconst {
  9196  			break
  9197  		}
  9198  		j := w0.AuxInt
  9199  		w := w0.Args[0]
  9200  		x := v.Args[3]
  9201  		if x.Op != OpS390XMOVBstoreidx {
  9202  			break
  9203  		}
  9204  		if x.AuxInt != i-1 {
  9205  			break
  9206  		}
  9207  		if x.Aux != s {
  9208  			break
  9209  		}
  9210  		if p != x.Args[0] {
  9211  			break
  9212  		}
  9213  		if idx != x.Args[1] {
  9214  			break
  9215  		}
  9216  		x_2 := x.Args[2]
  9217  		if x_2.Op != OpS390XSRDconst {
  9218  			break
  9219  		}
  9220  		if x_2.AuxInt != j+8 {
  9221  			break
  9222  		}
  9223  		if w != x_2.Args[0] {
  9224  			break
  9225  		}
  9226  		mem := x.Args[3]
  9227  		if !(x.Uses == 1 && clobber(x)) {
  9228  			break
  9229  		}
  9230  		v.reset(OpS390XMOVHstoreidx)
  9231  		v.AuxInt = i - 1
  9232  		v.Aux = s
  9233  		v.AddArg(p)
  9234  		v.AddArg(idx)
  9235  		v.AddArg(w0)
  9236  		v.AddArg(mem)
  9237  		return true
  9238  	}
  9239  	// match: (MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
  9240  	// cond: x.Uses == 1   && clobber(x)
  9241  	// result: (MOVHstoreidx [i-1] {s} p idx w mem)
  9242  	for {
  9243  		i := v.AuxInt
  9244  		s := v.Aux
  9245  		p := v.Args[0]
  9246  		idx := v.Args[1]
  9247  		w := v.Args[2]
  9248  		x := v.Args[3]
  9249  		if x.Op != OpS390XMOVBstoreidx {
  9250  			break
  9251  		}
  9252  		if x.AuxInt != i-1 {
  9253  			break
  9254  		}
  9255  		if x.Aux != s {
  9256  			break
  9257  		}
  9258  		if p != x.Args[0] {
  9259  			break
  9260  		}
  9261  		if idx != x.Args[1] {
  9262  			break
  9263  		}
  9264  		x_2 := x.Args[2]
  9265  		if x_2.Op != OpS390XSRWconst {
  9266  			break
  9267  		}
  9268  		if x_2.AuxInt != 8 {
  9269  			break
  9270  		}
  9271  		if w != x_2.Args[0] {
  9272  			break
  9273  		}
  9274  		mem := x.Args[3]
  9275  		if !(x.Uses == 1 && clobber(x)) {
  9276  			break
  9277  		}
  9278  		v.reset(OpS390XMOVHstoreidx)
  9279  		v.AuxInt = i - 1
  9280  		v.Aux = s
  9281  		v.AddArg(p)
  9282  		v.AddArg(idx)
  9283  		v.AddArg(w)
  9284  		v.AddArg(mem)
  9285  		return true
  9286  	}
  9287  	// match: (MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
  9288  	// cond: x.Uses == 1   && clobber(x)
  9289  	// result: (MOVHstoreidx [i-1] {s} p idx w0 mem)
  9290  	for {
  9291  		i := v.AuxInt
  9292  		s := v.Aux
  9293  		p := v.Args[0]
  9294  		idx := v.Args[1]
  9295  		w0 := v.Args[2]
  9296  		if w0.Op != OpS390XSRWconst {
  9297  			break
  9298  		}
  9299  		j := w0.AuxInt
  9300  		w := w0.Args[0]
  9301  		x := v.Args[3]
  9302  		if x.Op != OpS390XMOVBstoreidx {
  9303  			break
  9304  		}
  9305  		if x.AuxInt != i-1 {
  9306  			break
  9307  		}
  9308  		if x.Aux != s {
  9309  			break
  9310  		}
  9311  		if p != x.Args[0] {
  9312  			break
  9313  		}
  9314  		if idx != x.Args[1] {
  9315  			break
  9316  		}
  9317  		x_2 := x.Args[2]
  9318  		if x_2.Op != OpS390XSRWconst {
  9319  			break
  9320  		}
  9321  		if x_2.AuxInt != j+8 {
  9322  			break
  9323  		}
  9324  		if w != x_2.Args[0] {
  9325  			break
  9326  		}
  9327  		mem := x.Args[3]
  9328  		if !(x.Uses == 1 && clobber(x)) {
  9329  			break
  9330  		}
  9331  		v.reset(OpS390XMOVHstoreidx)
  9332  		v.AuxInt = i - 1
  9333  		v.Aux = s
  9334  		v.AddArg(p)
  9335  		v.AddArg(idx)
  9336  		v.AddArg(w0)
  9337  		v.AddArg(mem)
  9338  		return true
  9339  	}
  9340  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9341  	// cond: x.Uses == 1   && clobber(x)
  9342  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9343  	for {
  9344  		i := v.AuxInt
  9345  		s := v.Aux
  9346  		p := v.Args[0]
  9347  		idx := v.Args[1]
  9348  		v_2 := v.Args[2]
  9349  		if v_2.Op != OpS390XSRDconst {
  9350  			break
  9351  		}
  9352  		if v_2.AuxInt != 8 {
  9353  			break
  9354  		}
  9355  		w := v_2.Args[0]
  9356  		x := v.Args[3]
  9357  		if x.Op != OpS390XMOVBstoreidx {
  9358  			break
  9359  		}
  9360  		if x.AuxInt != i-1 {
  9361  			break
  9362  		}
  9363  		if x.Aux != s {
  9364  			break
  9365  		}
  9366  		if p != x.Args[0] {
  9367  			break
  9368  		}
  9369  		if idx != x.Args[1] {
  9370  			break
  9371  		}
  9372  		if w != x.Args[2] {
  9373  			break
  9374  		}
  9375  		mem := x.Args[3]
  9376  		if !(x.Uses == 1 && clobber(x)) {
  9377  			break
  9378  		}
  9379  		v.reset(OpS390XMOVHBRstoreidx)
  9380  		v.AuxInt = i - 1
  9381  		v.Aux = s
  9382  		v.AddArg(p)
  9383  		v.AddArg(idx)
  9384  		v.AddArg(w)
  9385  		v.AddArg(mem)
  9386  		return true
  9387  	}
  9388  	// match: (MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
  9389  	// cond: x.Uses == 1   && clobber(x)
  9390  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9391  	for {
  9392  		i := v.AuxInt
  9393  		s := v.Aux
  9394  		p := v.Args[0]
  9395  		idx := v.Args[1]
  9396  		v_2 := v.Args[2]
  9397  		if v_2.Op != OpS390XSRDconst {
  9398  			break
  9399  		}
  9400  		j := v_2.AuxInt
  9401  		w := v_2.Args[0]
  9402  		x := v.Args[3]
  9403  		if x.Op != OpS390XMOVBstoreidx {
  9404  			break
  9405  		}
  9406  		if x.AuxInt != i-1 {
  9407  			break
  9408  		}
  9409  		if x.Aux != s {
  9410  			break
  9411  		}
  9412  		if p != x.Args[0] {
  9413  			break
  9414  		}
  9415  		if idx != x.Args[1] {
  9416  			break
  9417  		}
  9418  		w0 := x.Args[2]
  9419  		if w0.Op != OpS390XSRDconst {
  9420  			break
  9421  		}
  9422  		if w0.AuxInt != j-8 {
  9423  			break
  9424  		}
  9425  		if w != w0.Args[0] {
  9426  			break
  9427  		}
  9428  		mem := x.Args[3]
  9429  		if !(x.Uses == 1 && clobber(x)) {
  9430  			break
  9431  		}
  9432  		v.reset(OpS390XMOVHBRstoreidx)
  9433  		v.AuxInt = i - 1
  9434  		v.Aux = s
  9435  		v.AddArg(p)
  9436  		v.AddArg(idx)
  9437  		v.AddArg(w0)
  9438  		v.AddArg(mem)
  9439  		return true
  9440  	}
  9441  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
  9442  	// cond: x.Uses == 1   && clobber(x)
  9443  	// result: (MOVHBRstoreidx [i-1] {s} p idx w mem)
  9444  	for {
  9445  		i := v.AuxInt
  9446  		s := v.Aux
  9447  		p := v.Args[0]
  9448  		idx := v.Args[1]
  9449  		v_2 := v.Args[2]
  9450  		if v_2.Op != OpS390XSRWconst {
  9451  			break
  9452  		}
  9453  		if v_2.AuxInt != 8 {
  9454  			break
  9455  		}
  9456  		w := v_2.Args[0]
  9457  		x := v.Args[3]
  9458  		if x.Op != OpS390XMOVBstoreidx {
  9459  			break
  9460  		}
  9461  		if x.AuxInt != i-1 {
  9462  			break
  9463  		}
  9464  		if x.Aux != s {
  9465  			break
  9466  		}
  9467  		if p != x.Args[0] {
  9468  			break
  9469  		}
  9470  		if idx != x.Args[1] {
  9471  			break
  9472  		}
  9473  		if w != x.Args[2] {
  9474  			break
  9475  		}
  9476  		mem := x.Args[3]
  9477  		if !(x.Uses == 1 && clobber(x)) {
  9478  			break
  9479  		}
  9480  		v.reset(OpS390XMOVHBRstoreidx)
  9481  		v.AuxInt = i - 1
  9482  		v.Aux = s
  9483  		v.AddArg(p)
  9484  		v.AddArg(idx)
  9485  		v.AddArg(w)
  9486  		v.AddArg(mem)
  9487  		return true
  9488  	}
  9489  	// match: (MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
  9490  	// cond: x.Uses == 1   && clobber(x)
  9491  	// result: (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
  9492  	for {
  9493  		i := v.AuxInt
  9494  		s := v.Aux
  9495  		p := v.Args[0]
  9496  		idx := v.Args[1]
  9497  		v_2 := v.Args[2]
  9498  		if v_2.Op != OpS390XSRWconst {
  9499  			break
  9500  		}
  9501  		j := v_2.AuxInt
  9502  		w := v_2.Args[0]
  9503  		x := v.Args[3]
  9504  		if x.Op != OpS390XMOVBstoreidx {
  9505  			break
  9506  		}
  9507  		if x.AuxInt != i-1 {
  9508  			break
  9509  		}
  9510  		if x.Aux != s {
  9511  			break
  9512  		}
  9513  		if p != x.Args[0] {
  9514  			break
  9515  		}
  9516  		if idx != x.Args[1] {
  9517  			break
  9518  		}
  9519  		w0 := x.Args[2]
  9520  		if w0.Op != OpS390XSRWconst {
  9521  			break
  9522  		}
  9523  		if w0.AuxInt != j-8 {
  9524  			break
  9525  		}
  9526  		if w != w0.Args[0] {
  9527  			break
  9528  		}
  9529  		mem := x.Args[3]
  9530  		if !(x.Uses == 1 && clobber(x)) {
  9531  			break
  9532  		}
  9533  		v.reset(OpS390XMOVHBRstoreidx)
  9534  		v.AuxInt = i - 1
  9535  		v.Aux = s
  9536  		v.AddArg(p)
  9537  		v.AddArg(idx)
  9538  		v.AddArg(w0)
  9539  		v.AddArg(mem)
  9540  		return true
  9541  	}
  9542  	return false
  9543  }
  9544  func rewriteValueS390X_OpS390XMOVDEQ(v *Value, config *Config) bool {
  9545  	b := v.Block
  9546  	_ = b
  9547  	// match: (MOVDEQ x y (InvertFlags cmp))
  9548  	// cond:
  9549  	// result: (MOVDEQ x y cmp)
  9550  	for {
  9551  		x := v.Args[0]
  9552  		y := v.Args[1]
  9553  		v_2 := v.Args[2]
  9554  		if v_2.Op != OpS390XInvertFlags {
  9555  			break
  9556  		}
  9557  		cmp := v_2.Args[0]
  9558  		v.reset(OpS390XMOVDEQ)
  9559  		v.AddArg(x)
  9560  		v.AddArg(y)
  9561  		v.AddArg(cmp)
  9562  		return true
  9563  	}
  9564  	// match: (MOVDEQ _ x (FlagEQ))
  9565  	// cond:
  9566  	// result: x
  9567  	for {
  9568  		x := v.Args[1]
  9569  		v_2 := v.Args[2]
  9570  		if v_2.Op != OpS390XFlagEQ {
  9571  			break
  9572  		}
  9573  		v.reset(OpCopy)
  9574  		v.Type = x.Type
  9575  		v.AddArg(x)
  9576  		return true
  9577  	}
  9578  	// match: (MOVDEQ y _ (FlagLT))
  9579  	// cond:
  9580  	// result: y
  9581  	for {
  9582  		y := v.Args[0]
  9583  		v_2 := v.Args[2]
  9584  		if v_2.Op != OpS390XFlagLT {
  9585  			break
  9586  		}
  9587  		v.reset(OpCopy)
  9588  		v.Type = y.Type
  9589  		v.AddArg(y)
  9590  		return true
  9591  	}
  9592  	// match: (MOVDEQ y _ (FlagGT))
  9593  	// cond:
  9594  	// result: y
  9595  	for {
  9596  		y := v.Args[0]
  9597  		v_2 := v.Args[2]
  9598  		if v_2.Op != OpS390XFlagGT {
  9599  			break
  9600  		}
  9601  		v.reset(OpCopy)
  9602  		v.Type = y.Type
  9603  		v.AddArg(y)
  9604  		return true
  9605  	}
  9606  	return false
  9607  }
  9608  func rewriteValueS390X_OpS390XMOVDGE(v *Value, config *Config) bool {
  9609  	b := v.Block
  9610  	_ = b
  9611  	// match: (MOVDGE x y (InvertFlags cmp))
  9612  	// cond:
  9613  	// result: (MOVDLE x y cmp)
  9614  	for {
  9615  		x := v.Args[0]
  9616  		y := v.Args[1]
  9617  		v_2 := v.Args[2]
  9618  		if v_2.Op != OpS390XInvertFlags {
  9619  			break
  9620  		}
  9621  		cmp := v_2.Args[0]
  9622  		v.reset(OpS390XMOVDLE)
  9623  		v.AddArg(x)
  9624  		v.AddArg(y)
  9625  		v.AddArg(cmp)
  9626  		return true
  9627  	}
  9628  	// match: (MOVDGE _ x (FlagEQ))
  9629  	// cond:
  9630  	// result: x
  9631  	for {
  9632  		x := v.Args[1]
  9633  		v_2 := v.Args[2]
  9634  		if v_2.Op != OpS390XFlagEQ {
  9635  			break
  9636  		}
  9637  		v.reset(OpCopy)
  9638  		v.Type = x.Type
  9639  		v.AddArg(x)
  9640  		return true
  9641  	}
  9642  	// match: (MOVDGE y _ (FlagLT))
  9643  	// cond:
  9644  	// result: y
  9645  	for {
  9646  		y := v.Args[0]
  9647  		v_2 := v.Args[2]
  9648  		if v_2.Op != OpS390XFlagLT {
  9649  			break
  9650  		}
  9651  		v.reset(OpCopy)
  9652  		v.Type = y.Type
  9653  		v.AddArg(y)
  9654  		return true
  9655  	}
  9656  	// match: (MOVDGE _ x (FlagGT))
  9657  	// cond:
  9658  	// result: x
  9659  	for {
  9660  		x := v.Args[1]
  9661  		v_2 := v.Args[2]
  9662  		if v_2.Op != OpS390XFlagGT {
  9663  			break
  9664  		}
  9665  		v.reset(OpCopy)
  9666  		v.Type = x.Type
  9667  		v.AddArg(x)
  9668  		return true
  9669  	}
  9670  	return false
  9671  }
  9672  func rewriteValueS390X_OpS390XMOVDGT(v *Value, config *Config) bool {
  9673  	b := v.Block
  9674  	_ = b
  9675  	// match: (MOVDGT x y (InvertFlags cmp))
  9676  	// cond:
  9677  	// result: (MOVDLT x y cmp)
  9678  	for {
  9679  		x := v.Args[0]
  9680  		y := v.Args[1]
  9681  		v_2 := v.Args[2]
  9682  		if v_2.Op != OpS390XInvertFlags {
  9683  			break
  9684  		}
  9685  		cmp := v_2.Args[0]
  9686  		v.reset(OpS390XMOVDLT)
  9687  		v.AddArg(x)
  9688  		v.AddArg(y)
  9689  		v.AddArg(cmp)
  9690  		return true
  9691  	}
  9692  	// match: (MOVDGT y _ (FlagEQ))
  9693  	// cond:
  9694  	// result: y
  9695  	for {
  9696  		y := v.Args[0]
  9697  		v_2 := v.Args[2]
  9698  		if v_2.Op != OpS390XFlagEQ {
  9699  			break
  9700  		}
  9701  		v.reset(OpCopy)
  9702  		v.Type = y.Type
  9703  		v.AddArg(y)
  9704  		return true
  9705  	}
  9706  	// match: (MOVDGT y _ (FlagLT))
  9707  	// cond:
  9708  	// result: y
  9709  	for {
  9710  		y := v.Args[0]
  9711  		v_2 := v.Args[2]
  9712  		if v_2.Op != OpS390XFlagLT {
  9713  			break
  9714  		}
  9715  		v.reset(OpCopy)
  9716  		v.Type = y.Type
  9717  		v.AddArg(y)
  9718  		return true
  9719  	}
  9720  	// match: (MOVDGT _ x (FlagGT))
  9721  	// cond:
  9722  	// result: x
  9723  	for {
  9724  		x := v.Args[1]
  9725  		v_2 := v.Args[2]
  9726  		if v_2.Op != OpS390XFlagGT {
  9727  			break
  9728  		}
  9729  		v.reset(OpCopy)
  9730  		v.Type = x.Type
  9731  		v.AddArg(x)
  9732  		return true
  9733  	}
  9734  	return false
  9735  }
  9736  func rewriteValueS390X_OpS390XMOVDLE(v *Value, config *Config) bool {
  9737  	b := v.Block
  9738  	_ = b
  9739  	// match: (MOVDLE x y (InvertFlags cmp))
  9740  	// cond:
  9741  	// result: (MOVDGE x y cmp)
  9742  	for {
  9743  		x := v.Args[0]
  9744  		y := v.Args[1]
  9745  		v_2 := v.Args[2]
  9746  		if v_2.Op != OpS390XInvertFlags {
  9747  			break
  9748  		}
  9749  		cmp := v_2.Args[0]
  9750  		v.reset(OpS390XMOVDGE)
  9751  		v.AddArg(x)
  9752  		v.AddArg(y)
  9753  		v.AddArg(cmp)
  9754  		return true
  9755  	}
  9756  	// match: (MOVDLE _ x (FlagEQ))
  9757  	// cond:
  9758  	// result: x
  9759  	for {
  9760  		x := v.Args[1]
  9761  		v_2 := v.Args[2]
  9762  		if v_2.Op != OpS390XFlagEQ {
  9763  			break
  9764  		}
  9765  		v.reset(OpCopy)
  9766  		v.Type = x.Type
  9767  		v.AddArg(x)
  9768  		return true
  9769  	}
  9770  	// match: (MOVDLE _ x (FlagLT))
  9771  	// cond:
  9772  	// result: x
  9773  	for {
  9774  		x := v.Args[1]
  9775  		v_2 := v.Args[2]
  9776  		if v_2.Op != OpS390XFlagLT {
  9777  			break
  9778  		}
  9779  		v.reset(OpCopy)
  9780  		v.Type = x.Type
  9781  		v.AddArg(x)
  9782  		return true
  9783  	}
  9784  	// match: (MOVDLE y _ (FlagGT))
  9785  	// cond:
  9786  	// result: y
  9787  	for {
  9788  		y := v.Args[0]
  9789  		v_2 := v.Args[2]
  9790  		if v_2.Op != OpS390XFlagGT {
  9791  			break
  9792  		}
  9793  		v.reset(OpCopy)
  9794  		v.Type = y.Type
  9795  		v.AddArg(y)
  9796  		return true
  9797  	}
  9798  	return false
  9799  }
  9800  func rewriteValueS390X_OpS390XMOVDLT(v *Value, config *Config) bool {
  9801  	b := v.Block
  9802  	_ = b
  9803  	// match: (MOVDLT x y (InvertFlags cmp))
  9804  	// cond:
  9805  	// result: (MOVDGT x y cmp)
  9806  	for {
  9807  		x := v.Args[0]
  9808  		y := v.Args[1]
  9809  		v_2 := v.Args[2]
  9810  		if v_2.Op != OpS390XInvertFlags {
  9811  			break
  9812  		}
  9813  		cmp := v_2.Args[0]
  9814  		v.reset(OpS390XMOVDGT)
  9815  		v.AddArg(x)
  9816  		v.AddArg(y)
  9817  		v.AddArg(cmp)
  9818  		return true
  9819  	}
  9820  	// match: (MOVDLT y _ (FlagEQ))
  9821  	// cond:
  9822  	// result: y
  9823  	for {
  9824  		y := v.Args[0]
  9825  		v_2 := v.Args[2]
  9826  		if v_2.Op != OpS390XFlagEQ {
  9827  			break
  9828  		}
  9829  		v.reset(OpCopy)
  9830  		v.Type = y.Type
  9831  		v.AddArg(y)
  9832  		return true
  9833  	}
  9834  	// match: (MOVDLT _ x (FlagLT))
  9835  	// cond:
  9836  	// result: x
  9837  	for {
  9838  		x := v.Args[1]
  9839  		v_2 := v.Args[2]
  9840  		if v_2.Op != OpS390XFlagLT {
  9841  			break
  9842  		}
  9843  		v.reset(OpCopy)
  9844  		v.Type = x.Type
  9845  		v.AddArg(x)
  9846  		return true
  9847  	}
  9848  	// match: (MOVDLT y _ (FlagGT))
  9849  	// cond:
  9850  	// result: y
  9851  	for {
  9852  		y := v.Args[0]
  9853  		v_2 := v.Args[2]
  9854  		if v_2.Op != OpS390XFlagGT {
  9855  			break
  9856  		}
  9857  		v.reset(OpCopy)
  9858  		v.Type = y.Type
  9859  		v.AddArg(y)
  9860  		return true
  9861  	}
  9862  	return false
  9863  }
  9864  func rewriteValueS390X_OpS390XMOVDNE(v *Value, config *Config) bool {
  9865  	b := v.Block
  9866  	_ = b
  9867  	// match: (MOVDNE x y (InvertFlags cmp))
  9868  	// cond:
  9869  	// result: (MOVDNE x y cmp)
  9870  	for {
  9871  		x := v.Args[0]
  9872  		y := v.Args[1]
  9873  		v_2 := v.Args[2]
  9874  		if v_2.Op != OpS390XInvertFlags {
  9875  			break
  9876  		}
  9877  		cmp := v_2.Args[0]
  9878  		v.reset(OpS390XMOVDNE)
  9879  		v.AddArg(x)
  9880  		v.AddArg(y)
  9881  		v.AddArg(cmp)
  9882  		return true
  9883  	}
  9884  	// match: (MOVDNE y _ (FlagEQ))
  9885  	// cond:
  9886  	// result: y
  9887  	for {
  9888  		y := v.Args[0]
  9889  		v_2 := v.Args[2]
  9890  		if v_2.Op != OpS390XFlagEQ {
  9891  			break
  9892  		}
  9893  		v.reset(OpCopy)
  9894  		v.Type = y.Type
  9895  		v.AddArg(y)
  9896  		return true
  9897  	}
  9898  	// match: (MOVDNE _ x (FlagLT))
  9899  	// cond:
  9900  	// result: x
  9901  	for {
  9902  		x := v.Args[1]
  9903  		v_2 := v.Args[2]
  9904  		if v_2.Op != OpS390XFlagLT {
  9905  			break
  9906  		}
  9907  		v.reset(OpCopy)
  9908  		v.Type = x.Type
  9909  		v.AddArg(x)
  9910  		return true
  9911  	}
  9912  	// match: (MOVDNE _ x (FlagGT))
  9913  	// cond:
  9914  	// result: x
  9915  	for {
  9916  		x := v.Args[1]
  9917  		v_2 := v.Args[2]
  9918  		if v_2.Op != OpS390XFlagGT {
  9919  			break
  9920  		}
  9921  		v.reset(OpCopy)
  9922  		v.Type = x.Type
  9923  		v.AddArg(x)
  9924  		return true
  9925  	}
  9926  	return false
  9927  }
  9928  func rewriteValueS390X_OpS390XMOVDaddridx(v *Value, config *Config) bool {
  9929  	b := v.Block
  9930  	_ = b
  9931  	// match: (MOVDaddridx [c] {s} (ADDconst [d] x) y)
  9932  	// cond: is20Bit(c+d) && x.Op != OpSB
  9933  	// result: (MOVDaddridx [c+d] {s} x y)
  9934  	for {
  9935  		c := v.AuxInt
  9936  		s := v.Aux
  9937  		v_0 := v.Args[0]
  9938  		if v_0.Op != OpS390XADDconst {
  9939  			break
  9940  		}
  9941  		d := v_0.AuxInt
  9942  		x := v_0.Args[0]
  9943  		y := v.Args[1]
  9944  		if !(is20Bit(c+d) && x.Op != OpSB) {
  9945  			break
  9946  		}
  9947  		v.reset(OpS390XMOVDaddridx)
  9948  		v.AuxInt = c + d
  9949  		v.Aux = s
  9950  		v.AddArg(x)
  9951  		v.AddArg(y)
  9952  		return true
  9953  	}
  9954  	// match: (MOVDaddridx [c] {s} x (ADDconst [d] y))
  9955  	// cond: is20Bit(c+d) && y.Op != OpSB
  9956  	// result: (MOVDaddridx [c+d] {s} x y)
  9957  	for {
  9958  		c := v.AuxInt
  9959  		s := v.Aux
  9960  		x := v.Args[0]
  9961  		v_1 := v.Args[1]
  9962  		if v_1.Op != OpS390XADDconst {
  9963  			break
  9964  		}
  9965  		d := v_1.AuxInt
  9966  		y := v_1.Args[0]
  9967  		if !(is20Bit(c+d) && y.Op != OpSB) {
  9968  			break
  9969  		}
  9970  		v.reset(OpS390XMOVDaddridx)
  9971  		v.AuxInt = c + d
  9972  		v.Aux = s
  9973  		v.AddArg(x)
  9974  		v.AddArg(y)
  9975  		return true
  9976  	}
  9977  	// match: (MOVDaddridx [off1] {sym1} (MOVDaddr [off2] {sym2} x) y)
  9978  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB
  9979  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
  9980  	for {
  9981  		off1 := v.AuxInt
  9982  		sym1 := v.Aux
  9983  		v_0 := v.Args[0]
  9984  		if v_0.Op != OpS390XMOVDaddr {
  9985  			break
  9986  		}
  9987  		off2 := v_0.AuxInt
  9988  		sym2 := v_0.Aux
  9989  		x := v_0.Args[0]
  9990  		y := v.Args[1]
  9991  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  9992  			break
  9993  		}
  9994  		v.reset(OpS390XMOVDaddridx)
  9995  		v.AuxInt = off1 + off2
  9996  		v.Aux = mergeSym(sym1, sym2)
  9997  		v.AddArg(x)
  9998  		v.AddArg(y)
  9999  		return true
 10000  	}
 10001  	// match: (MOVDaddridx [off1] {sym1} x (MOVDaddr [off2] {sym2} y))
 10002  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB
 10003  	// result: (MOVDaddridx [off1+off2] {mergeSym(sym1,sym2)} x y)
 10004  	for {
 10005  		off1 := v.AuxInt
 10006  		sym1 := v.Aux
 10007  		x := v.Args[0]
 10008  		v_1 := v.Args[1]
 10009  		if v_1.Op != OpS390XMOVDaddr {
 10010  			break
 10011  		}
 10012  		off2 := v_1.AuxInt
 10013  		sym2 := v_1.Aux
 10014  		y := v_1.Args[0]
 10015  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2) && y.Op != OpSB) {
 10016  			break
 10017  		}
 10018  		v.reset(OpS390XMOVDaddridx)
 10019  		v.AuxInt = off1 + off2
 10020  		v.Aux = mergeSym(sym1, sym2)
 10021  		v.AddArg(x)
 10022  		v.AddArg(y)
 10023  		return true
 10024  	}
 10025  	return false
 10026  }
 10027  func rewriteValueS390X_OpS390XMOVDload(v *Value, config *Config) bool {
 10028  	b := v.Block
 10029  	_ = b
 10030  	// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
 10031  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10032  	// result: (MOVDreg x)
 10033  	for {
 10034  		off := v.AuxInt
 10035  		sym := v.Aux
 10036  		ptr := v.Args[0]
 10037  		v_1 := v.Args[1]
 10038  		if v_1.Op != OpS390XMOVDstore {
 10039  			break
 10040  		}
 10041  		off2 := v_1.AuxInt
 10042  		sym2 := v_1.Aux
 10043  		ptr2 := v_1.Args[0]
 10044  		x := v_1.Args[1]
 10045  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10046  			break
 10047  		}
 10048  		v.reset(OpS390XMOVDreg)
 10049  		v.AddArg(x)
 10050  		return true
 10051  	}
 10052  	// match: (MOVDload   [off1] {sym} (ADDconst [off2] ptr) mem)
 10053  	// cond: is20Bit(off1+off2)
 10054  	// result: (MOVDload  [off1+off2] {sym} ptr mem)
 10055  	for {
 10056  		off1 := v.AuxInt
 10057  		sym := v.Aux
 10058  		v_0 := v.Args[0]
 10059  		if v_0.Op != OpS390XADDconst {
 10060  			break
 10061  		}
 10062  		off2 := v_0.AuxInt
 10063  		ptr := v_0.Args[0]
 10064  		mem := v.Args[1]
 10065  		if !(is20Bit(off1 + off2)) {
 10066  			break
 10067  		}
 10068  		v.reset(OpS390XMOVDload)
 10069  		v.AuxInt = off1 + off2
 10070  		v.Aux = sym
 10071  		v.AddArg(ptr)
 10072  		v.AddArg(mem)
 10073  		return true
 10074  	}
 10075  	// match: (MOVDload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 10076  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10077  	// result: (MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 10078  	for {
 10079  		off1 := v.AuxInt
 10080  		sym1 := v.Aux
 10081  		v_0 := v.Args[0]
 10082  		if v_0.Op != OpS390XMOVDaddr {
 10083  			break
 10084  		}
 10085  		off2 := v_0.AuxInt
 10086  		sym2 := v_0.Aux
 10087  		base := v_0.Args[0]
 10088  		mem := v.Args[1]
 10089  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10090  			break
 10091  		}
 10092  		v.reset(OpS390XMOVDload)
 10093  		v.AuxInt = off1 + off2
 10094  		v.Aux = mergeSym(sym1, sym2)
 10095  		v.AddArg(base)
 10096  		v.AddArg(mem)
 10097  		return true
 10098  	}
 10099  	// match: (MOVDload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 10100  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10101  	// result: (MOVDloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 10102  	for {
 10103  		off1 := v.AuxInt
 10104  		sym1 := v.Aux
 10105  		v_0 := v.Args[0]
 10106  		if v_0.Op != OpS390XMOVDaddridx {
 10107  			break
 10108  		}
 10109  		off2 := v_0.AuxInt
 10110  		sym2 := v_0.Aux
 10111  		ptr := v_0.Args[0]
 10112  		idx := v_0.Args[1]
 10113  		mem := v.Args[1]
 10114  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10115  			break
 10116  		}
 10117  		v.reset(OpS390XMOVDloadidx)
 10118  		v.AuxInt = off1 + off2
 10119  		v.Aux = mergeSym(sym1, sym2)
 10120  		v.AddArg(ptr)
 10121  		v.AddArg(idx)
 10122  		v.AddArg(mem)
 10123  		return true
 10124  	}
 10125  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10126  	// cond: ptr.Op != OpSB
 10127  	// result: (MOVDloadidx [off] {sym} ptr idx mem)
 10128  	for {
 10129  		off := v.AuxInt
 10130  		sym := v.Aux
 10131  		v_0 := v.Args[0]
 10132  		if v_0.Op != OpS390XADD {
 10133  			break
 10134  		}
 10135  		ptr := v_0.Args[0]
 10136  		idx := v_0.Args[1]
 10137  		mem := v.Args[1]
 10138  		if !(ptr.Op != OpSB) {
 10139  			break
 10140  		}
 10141  		v.reset(OpS390XMOVDloadidx)
 10142  		v.AuxInt = off
 10143  		v.Aux = sym
 10144  		v.AddArg(ptr)
 10145  		v.AddArg(idx)
 10146  		v.AddArg(mem)
 10147  		return true
 10148  	}
 10149  	return false
 10150  }
 10151  func rewriteValueS390X_OpS390XMOVDloadidx(v *Value, config *Config) bool {
 10152  	b := v.Block
 10153  	_ = b
 10154  	// match: (MOVDloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 10155  	// cond:
 10156  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10157  	for {
 10158  		c := v.AuxInt
 10159  		sym := v.Aux
 10160  		v_0 := v.Args[0]
 10161  		if v_0.Op != OpS390XADDconst {
 10162  			break
 10163  		}
 10164  		d := v_0.AuxInt
 10165  		ptr := v_0.Args[0]
 10166  		idx := v.Args[1]
 10167  		mem := v.Args[2]
 10168  		v.reset(OpS390XMOVDloadidx)
 10169  		v.AuxInt = c + d
 10170  		v.Aux = sym
 10171  		v.AddArg(ptr)
 10172  		v.AddArg(idx)
 10173  		v.AddArg(mem)
 10174  		return true
 10175  	}
 10176  	// match: (MOVDloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 10177  	// cond:
 10178  	// result: (MOVDloadidx [c+d] {sym} ptr idx mem)
 10179  	for {
 10180  		c := v.AuxInt
 10181  		sym := v.Aux
 10182  		ptr := v.Args[0]
 10183  		v_1 := v.Args[1]
 10184  		if v_1.Op != OpS390XADDconst {
 10185  			break
 10186  		}
 10187  		d := v_1.AuxInt
 10188  		idx := v_1.Args[0]
 10189  		mem := v.Args[2]
 10190  		v.reset(OpS390XMOVDloadidx)
 10191  		v.AuxInt = c + d
 10192  		v.Aux = sym
 10193  		v.AddArg(ptr)
 10194  		v.AddArg(idx)
 10195  		v.AddArg(mem)
 10196  		return true
 10197  	}
 10198  	return false
 10199  }
 10200  func rewriteValueS390X_OpS390XMOVDnop(v *Value, config *Config) bool {
 10201  	b := v.Block
 10202  	_ = b
 10203  	// match: (MOVDnop <t> x)
 10204  	// cond: t.Compare(x.Type) == CMPeq
 10205  	// result: x
 10206  	for {
 10207  		t := v.Type
 10208  		x := v.Args[0]
 10209  		if !(t.Compare(x.Type) == CMPeq) {
 10210  			break
 10211  		}
 10212  		v.reset(OpCopy)
 10213  		v.Type = x.Type
 10214  		v.AddArg(x)
 10215  		return true
 10216  	}
 10217  	// match: (MOVDnop (MOVDconst [c]))
 10218  	// cond:
 10219  	// result: (MOVDconst [c])
 10220  	for {
 10221  		v_0 := v.Args[0]
 10222  		if v_0.Op != OpS390XMOVDconst {
 10223  			break
 10224  		}
 10225  		c := v_0.AuxInt
 10226  		v.reset(OpS390XMOVDconst)
 10227  		v.AuxInt = c
 10228  		return true
 10229  	}
 10230  	return false
 10231  }
 10232  func rewriteValueS390X_OpS390XMOVDreg(v *Value, config *Config) bool {
 10233  	b := v.Block
 10234  	_ = b
 10235  	// match: (MOVDreg <t> x)
 10236  	// cond: t.Compare(x.Type) == CMPeq
 10237  	// result: x
 10238  	for {
 10239  		t := v.Type
 10240  		x := v.Args[0]
 10241  		if !(t.Compare(x.Type) == CMPeq) {
 10242  			break
 10243  		}
 10244  		v.reset(OpCopy)
 10245  		v.Type = x.Type
 10246  		v.AddArg(x)
 10247  		return true
 10248  	}
 10249  	// match: (MOVDreg (MOVDconst [c]))
 10250  	// cond:
 10251  	// result: (MOVDconst [c])
 10252  	for {
 10253  		v_0 := v.Args[0]
 10254  		if v_0.Op != OpS390XMOVDconst {
 10255  			break
 10256  		}
 10257  		c := v_0.AuxInt
 10258  		v.reset(OpS390XMOVDconst)
 10259  		v.AuxInt = c
 10260  		return true
 10261  	}
 10262  	// match: (MOVDreg x)
 10263  	// cond: x.Uses == 1
 10264  	// result: (MOVDnop x)
 10265  	for {
 10266  		x := v.Args[0]
 10267  		if !(x.Uses == 1) {
 10268  			break
 10269  		}
 10270  		v.reset(OpS390XMOVDnop)
 10271  		v.AddArg(x)
 10272  		return true
 10273  	}
 10274  	return false
 10275  }
 10276  func rewriteValueS390X_OpS390XMOVDstore(v *Value, config *Config) bool {
 10277  	b := v.Block
 10278  	_ = b
 10279  	// match: (MOVDstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 10280  	// cond: is20Bit(off1+off2)
 10281  	// result: (MOVDstore  [off1+off2] {sym} ptr val mem)
 10282  	for {
 10283  		off1 := v.AuxInt
 10284  		sym := v.Aux
 10285  		v_0 := v.Args[0]
 10286  		if v_0.Op != OpS390XADDconst {
 10287  			break
 10288  		}
 10289  		off2 := v_0.AuxInt
 10290  		ptr := v_0.Args[0]
 10291  		val := v.Args[1]
 10292  		mem := v.Args[2]
 10293  		if !(is20Bit(off1 + off2)) {
 10294  			break
 10295  		}
 10296  		v.reset(OpS390XMOVDstore)
 10297  		v.AuxInt = off1 + off2
 10298  		v.Aux = sym
 10299  		v.AddArg(ptr)
 10300  		v.AddArg(val)
 10301  		v.AddArg(mem)
 10302  		return true
 10303  	}
 10304  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [c]) mem)
 10305  	// cond: validValAndOff(c,off) && int64(int16(c)) == c && ptr.Op != OpSB
 10306  	// result: (MOVDstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
 10307  	for {
 10308  		off := v.AuxInt
 10309  		sym := v.Aux
 10310  		ptr := v.Args[0]
 10311  		v_1 := v.Args[1]
 10312  		if v_1.Op != OpS390XMOVDconst {
 10313  			break
 10314  		}
 10315  		c := v_1.AuxInt
 10316  		mem := v.Args[2]
 10317  		if !(validValAndOff(c, off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 10318  			break
 10319  		}
 10320  		v.reset(OpS390XMOVDstoreconst)
 10321  		v.AuxInt = makeValAndOff(c, off)
 10322  		v.Aux = sym
 10323  		v.AddArg(ptr)
 10324  		v.AddArg(mem)
 10325  		return true
 10326  	}
 10327  	// match: (MOVDstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 10328  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10329  	// result: (MOVDstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 10330  	for {
 10331  		off1 := v.AuxInt
 10332  		sym1 := v.Aux
 10333  		v_0 := v.Args[0]
 10334  		if v_0.Op != OpS390XMOVDaddr {
 10335  			break
 10336  		}
 10337  		off2 := v_0.AuxInt
 10338  		sym2 := v_0.Aux
 10339  		base := v_0.Args[0]
 10340  		val := v.Args[1]
 10341  		mem := v.Args[2]
 10342  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10343  			break
 10344  		}
 10345  		v.reset(OpS390XMOVDstore)
 10346  		v.AuxInt = off1 + off2
 10347  		v.Aux = mergeSym(sym1, sym2)
 10348  		v.AddArg(base)
 10349  		v.AddArg(val)
 10350  		v.AddArg(mem)
 10351  		return true
 10352  	}
 10353  	// match: (MOVDstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 10354  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 10355  	// result: (MOVDstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 10356  	for {
 10357  		off1 := v.AuxInt
 10358  		sym1 := v.Aux
 10359  		v_0 := v.Args[0]
 10360  		if v_0.Op != OpS390XMOVDaddridx {
 10361  			break
 10362  		}
 10363  		off2 := v_0.AuxInt
 10364  		sym2 := v_0.Aux
 10365  		ptr := v_0.Args[0]
 10366  		idx := v_0.Args[1]
 10367  		val := v.Args[1]
 10368  		mem := v.Args[2]
 10369  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 10370  			break
 10371  		}
 10372  		v.reset(OpS390XMOVDstoreidx)
 10373  		v.AuxInt = off1 + off2
 10374  		v.Aux = mergeSym(sym1, sym2)
 10375  		v.AddArg(ptr)
 10376  		v.AddArg(idx)
 10377  		v.AddArg(val)
 10378  		v.AddArg(mem)
 10379  		return true
 10380  	}
 10381  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 10382  	// cond: ptr.Op != OpSB
 10383  	// result: (MOVDstoreidx [off] {sym} ptr idx val mem)
 10384  	for {
 10385  		off := v.AuxInt
 10386  		sym := v.Aux
 10387  		v_0 := v.Args[0]
 10388  		if v_0.Op != OpS390XADD {
 10389  			break
 10390  		}
 10391  		ptr := v_0.Args[0]
 10392  		idx := v_0.Args[1]
 10393  		val := v.Args[1]
 10394  		mem := v.Args[2]
 10395  		if !(ptr.Op != OpSB) {
 10396  			break
 10397  		}
 10398  		v.reset(OpS390XMOVDstoreidx)
 10399  		v.AuxInt = off
 10400  		v.Aux = sym
 10401  		v.AddArg(ptr)
 10402  		v.AddArg(idx)
 10403  		v.AddArg(val)
 10404  		v.AddArg(mem)
 10405  		return true
 10406  	}
 10407  	// match: (MOVDstore [i] {s} p w1 x:(MOVDstore [i-8] {s} p w0 mem))
 10408  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 10409  	// result: (STMG2 [i-8] {s} p w0 w1 mem)
 10410  	for {
 10411  		i := v.AuxInt
 10412  		s := v.Aux
 10413  		p := v.Args[0]
 10414  		w1 := v.Args[1]
 10415  		x := v.Args[2]
 10416  		if x.Op != OpS390XMOVDstore {
 10417  			break
 10418  		}
 10419  		if x.AuxInt != i-8 {
 10420  			break
 10421  		}
 10422  		if x.Aux != s {
 10423  			break
 10424  		}
 10425  		if p != x.Args[0] {
 10426  			break
 10427  		}
 10428  		w0 := x.Args[1]
 10429  		mem := x.Args[2]
 10430  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 10431  			break
 10432  		}
 10433  		v.reset(OpS390XSTMG2)
 10434  		v.AuxInt = i - 8
 10435  		v.Aux = s
 10436  		v.AddArg(p)
 10437  		v.AddArg(w0)
 10438  		v.AddArg(w1)
 10439  		v.AddArg(mem)
 10440  		return true
 10441  	}
 10442  	// match: (MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
 10443  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 10444  	// result: (STMG3 [i-16] {s} p w0 w1 w2 mem)
 10445  	for {
 10446  		i := v.AuxInt
 10447  		s := v.Aux
 10448  		p := v.Args[0]
 10449  		w2 := v.Args[1]
 10450  		x := v.Args[2]
 10451  		if x.Op != OpS390XSTMG2 {
 10452  			break
 10453  		}
 10454  		if x.AuxInt != i-16 {
 10455  			break
 10456  		}
 10457  		if x.Aux != s {
 10458  			break
 10459  		}
 10460  		if p != x.Args[0] {
 10461  			break
 10462  		}
 10463  		w0 := x.Args[1]
 10464  		w1 := x.Args[2]
 10465  		mem := x.Args[3]
 10466  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 10467  			break
 10468  		}
 10469  		v.reset(OpS390XSTMG3)
 10470  		v.AuxInt = i - 16
 10471  		v.Aux = s
 10472  		v.AddArg(p)
 10473  		v.AddArg(w0)
 10474  		v.AddArg(w1)
 10475  		v.AddArg(w2)
 10476  		v.AddArg(mem)
 10477  		return true
 10478  	}
 10479  	// match: (MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
 10480  	// cond: x.Uses == 1   && is20Bit(i-24)   && clobber(x)
 10481  	// result: (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
 10482  	for {
 10483  		i := v.AuxInt
 10484  		s := v.Aux
 10485  		p := v.Args[0]
 10486  		w3 := v.Args[1]
 10487  		x := v.Args[2]
 10488  		if x.Op != OpS390XSTMG3 {
 10489  			break
 10490  		}
 10491  		if x.AuxInt != i-24 {
 10492  			break
 10493  		}
 10494  		if x.Aux != s {
 10495  			break
 10496  		}
 10497  		if p != x.Args[0] {
 10498  			break
 10499  		}
 10500  		w0 := x.Args[1]
 10501  		w1 := x.Args[2]
 10502  		w2 := x.Args[3]
 10503  		mem := x.Args[4]
 10504  		if !(x.Uses == 1 && is20Bit(i-24) && clobber(x)) {
 10505  			break
 10506  		}
 10507  		v.reset(OpS390XSTMG4)
 10508  		v.AuxInt = i - 24
 10509  		v.Aux = s
 10510  		v.AddArg(p)
 10511  		v.AddArg(w0)
 10512  		v.AddArg(w1)
 10513  		v.AddArg(w2)
 10514  		v.AddArg(w3)
 10515  		v.AddArg(mem)
 10516  		return true
 10517  	}
 10518  	return false
 10519  }
 10520  func rewriteValueS390X_OpS390XMOVDstoreconst(v *Value, config *Config) bool {
 10521  	b := v.Block
 10522  	_ = b
 10523  	// match: (MOVDstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 10524  	// cond: ValAndOff(sc).canAdd(off)
 10525  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 10526  	for {
 10527  		sc := v.AuxInt
 10528  		s := v.Aux
 10529  		v_0 := v.Args[0]
 10530  		if v_0.Op != OpS390XADDconst {
 10531  			break
 10532  		}
 10533  		off := v_0.AuxInt
 10534  		ptr := v_0.Args[0]
 10535  		mem := v.Args[1]
 10536  		if !(ValAndOff(sc).canAdd(off)) {
 10537  			break
 10538  		}
 10539  		v.reset(OpS390XMOVDstoreconst)
 10540  		v.AuxInt = ValAndOff(sc).add(off)
 10541  		v.Aux = s
 10542  		v.AddArg(ptr)
 10543  		v.AddArg(mem)
 10544  		return true
 10545  	}
 10546  	// match: (MOVDstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 10547  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 10548  	// result: (MOVDstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 10549  	for {
 10550  		sc := v.AuxInt
 10551  		sym1 := v.Aux
 10552  		v_0 := v.Args[0]
 10553  		if v_0.Op != OpS390XMOVDaddr {
 10554  			break
 10555  		}
 10556  		off := v_0.AuxInt
 10557  		sym2 := v_0.Aux
 10558  		ptr := v_0.Args[0]
 10559  		mem := v.Args[1]
 10560  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 10561  			break
 10562  		}
 10563  		v.reset(OpS390XMOVDstoreconst)
 10564  		v.AuxInt = ValAndOff(sc).add(off)
 10565  		v.Aux = mergeSym(sym1, sym2)
 10566  		v.AddArg(ptr)
 10567  		v.AddArg(mem)
 10568  		return true
 10569  	}
 10570  	return false
 10571  }
 10572  func rewriteValueS390X_OpS390XMOVDstoreidx(v *Value, config *Config) bool {
 10573  	b := v.Block
 10574  	_ = b
 10575  	// match: (MOVDstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 10576  	// cond:
 10577  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10578  	for {
 10579  		c := v.AuxInt
 10580  		sym := v.Aux
 10581  		v_0 := v.Args[0]
 10582  		if v_0.Op != OpS390XADDconst {
 10583  			break
 10584  		}
 10585  		d := v_0.AuxInt
 10586  		ptr := v_0.Args[0]
 10587  		idx := v.Args[1]
 10588  		val := v.Args[2]
 10589  		mem := v.Args[3]
 10590  		v.reset(OpS390XMOVDstoreidx)
 10591  		v.AuxInt = c + d
 10592  		v.Aux = sym
 10593  		v.AddArg(ptr)
 10594  		v.AddArg(idx)
 10595  		v.AddArg(val)
 10596  		v.AddArg(mem)
 10597  		return true
 10598  	}
 10599  	// match: (MOVDstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 10600  	// cond:
 10601  	// result: (MOVDstoreidx [c+d] {sym} ptr idx val mem)
 10602  	for {
 10603  		c := v.AuxInt
 10604  		sym := v.Aux
 10605  		ptr := v.Args[0]
 10606  		v_1 := v.Args[1]
 10607  		if v_1.Op != OpS390XADDconst {
 10608  			break
 10609  		}
 10610  		d := v_1.AuxInt
 10611  		idx := v_1.Args[0]
 10612  		val := v.Args[2]
 10613  		mem := v.Args[3]
 10614  		v.reset(OpS390XMOVDstoreidx)
 10615  		v.AuxInt = c + d
 10616  		v.Aux = sym
 10617  		v.AddArg(ptr)
 10618  		v.AddArg(idx)
 10619  		v.AddArg(val)
 10620  		v.AddArg(mem)
 10621  		return true
 10622  	}
 10623  	return false
 10624  }
 10625  func rewriteValueS390X_OpS390XMOVHBRstore(v *Value, config *Config) bool {
 10626  	b := v.Block
 10627  	_ = b
 10628  	// match: (MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10629  	// cond: x.Uses == 1   && clobber(x)
 10630  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10631  	for {
 10632  		i := v.AuxInt
 10633  		s := v.Aux
 10634  		p := v.Args[0]
 10635  		v_1 := v.Args[1]
 10636  		if v_1.Op != OpS390XSRDconst {
 10637  			break
 10638  		}
 10639  		if v_1.AuxInt != 16 {
 10640  			break
 10641  		}
 10642  		w := v_1.Args[0]
 10643  		x := v.Args[2]
 10644  		if x.Op != OpS390XMOVHBRstore {
 10645  			break
 10646  		}
 10647  		if x.AuxInt != i-2 {
 10648  			break
 10649  		}
 10650  		if x.Aux != s {
 10651  			break
 10652  		}
 10653  		if p != x.Args[0] {
 10654  			break
 10655  		}
 10656  		if w != x.Args[1] {
 10657  			break
 10658  		}
 10659  		mem := x.Args[2]
 10660  		if !(x.Uses == 1 && clobber(x)) {
 10661  			break
 10662  		}
 10663  		v.reset(OpS390XMOVWBRstore)
 10664  		v.AuxInt = i - 2
 10665  		v.Aux = s
 10666  		v.AddArg(p)
 10667  		v.AddArg(w)
 10668  		v.AddArg(mem)
 10669  		return true
 10670  	}
 10671  	// match: (MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
 10672  	// cond: x.Uses == 1   && clobber(x)
 10673  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10674  	for {
 10675  		i := v.AuxInt
 10676  		s := v.Aux
 10677  		p := v.Args[0]
 10678  		v_1 := v.Args[1]
 10679  		if v_1.Op != OpS390XSRDconst {
 10680  			break
 10681  		}
 10682  		j := v_1.AuxInt
 10683  		w := v_1.Args[0]
 10684  		x := v.Args[2]
 10685  		if x.Op != OpS390XMOVHBRstore {
 10686  			break
 10687  		}
 10688  		if x.AuxInt != i-2 {
 10689  			break
 10690  		}
 10691  		if x.Aux != s {
 10692  			break
 10693  		}
 10694  		if p != x.Args[0] {
 10695  			break
 10696  		}
 10697  		w0 := x.Args[1]
 10698  		if w0.Op != OpS390XSRDconst {
 10699  			break
 10700  		}
 10701  		if w0.AuxInt != j-16 {
 10702  			break
 10703  		}
 10704  		if w != w0.Args[0] {
 10705  			break
 10706  		}
 10707  		mem := x.Args[2]
 10708  		if !(x.Uses == 1 && clobber(x)) {
 10709  			break
 10710  		}
 10711  		v.reset(OpS390XMOVWBRstore)
 10712  		v.AuxInt = i - 2
 10713  		v.Aux = s
 10714  		v.AddArg(p)
 10715  		v.AddArg(w0)
 10716  		v.AddArg(mem)
 10717  		return true
 10718  	}
 10719  	// match: (MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
 10720  	// cond: x.Uses == 1   && clobber(x)
 10721  	// result: (MOVWBRstore [i-2] {s} p w mem)
 10722  	for {
 10723  		i := v.AuxInt
 10724  		s := v.Aux
 10725  		p := v.Args[0]
 10726  		v_1 := v.Args[1]
 10727  		if v_1.Op != OpS390XSRWconst {
 10728  			break
 10729  		}
 10730  		if v_1.AuxInt != 16 {
 10731  			break
 10732  		}
 10733  		w := v_1.Args[0]
 10734  		x := v.Args[2]
 10735  		if x.Op != OpS390XMOVHBRstore {
 10736  			break
 10737  		}
 10738  		if x.AuxInt != i-2 {
 10739  			break
 10740  		}
 10741  		if x.Aux != s {
 10742  			break
 10743  		}
 10744  		if p != x.Args[0] {
 10745  			break
 10746  		}
 10747  		if w != x.Args[1] {
 10748  			break
 10749  		}
 10750  		mem := x.Args[2]
 10751  		if !(x.Uses == 1 && clobber(x)) {
 10752  			break
 10753  		}
 10754  		v.reset(OpS390XMOVWBRstore)
 10755  		v.AuxInt = i - 2
 10756  		v.Aux = s
 10757  		v.AddArg(p)
 10758  		v.AddArg(w)
 10759  		v.AddArg(mem)
 10760  		return true
 10761  	}
 10762  	// match: (MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
 10763  	// cond: x.Uses == 1   && clobber(x)
 10764  	// result: (MOVWBRstore [i-2] {s} p w0 mem)
 10765  	for {
 10766  		i := v.AuxInt
 10767  		s := v.Aux
 10768  		p := v.Args[0]
 10769  		v_1 := v.Args[1]
 10770  		if v_1.Op != OpS390XSRWconst {
 10771  			break
 10772  		}
 10773  		j := v_1.AuxInt
 10774  		w := v_1.Args[0]
 10775  		x := v.Args[2]
 10776  		if x.Op != OpS390XMOVHBRstore {
 10777  			break
 10778  		}
 10779  		if x.AuxInt != i-2 {
 10780  			break
 10781  		}
 10782  		if x.Aux != s {
 10783  			break
 10784  		}
 10785  		if p != x.Args[0] {
 10786  			break
 10787  		}
 10788  		w0 := x.Args[1]
 10789  		if w0.Op != OpS390XSRWconst {
 10790  			break
 10791  		}
 10792  		if w0.AuxInt != j-16 {
 10793  			break
 10794  		}
 10795  		if w != w0.Args[0] {
 10796  			break
 10797  		}
 10798  		mem := x.Args[2]
 10799  		if !(x.Uses == 1 && clobber(x)) {
 10800  			break
 10801  		}
 10802  		v.reset(OpS390XMOVWBRstore)
 10803  		v.AuxInt = i - 2
 10804  		v.Aux = s
 10805  		v.AddArg(p)
 10806  		v.AddArg(w0)
 10807  		v.AddArg(mem)
 10808  		return true
 10809  	}
 10810  	return false
 10811  }
 10812  func rewriteValueS390X_OpS390XMOVHBRstoreidx(v *Value, config *Config) bool {
 10813  	b := v.Block
 10814  	_ = b
 10815  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10816  	// cond: x.Uses == 1   && clobber(x)
 10817  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10818  	for {
 10819  		i := v.AuxInt
 10820  		s := v.Aux
 10821  		p := v.Args[0]
 10822  		idx := v.Args[1]
 10823  		v_2 := v.Args[2]
 10824  		if v_2.Op != OpS390XSRDconst {
 10825  			break
 10826  		}
 10827  		if v_2.AuxInt != 16 {
 10828  			break
 10829  		}
 10830  		w := v_2.Args[0]
 10831  		x := v.Args[3]
 10832  		if x.Op != OpS390XMOVHBRstoreidx {
 10833  			break
 10834  		}
 10835  		if x.AuxInt != i-2 {
 10836  			break
 10837  		}
 10838  		if x.Aux != s {
 10839  			break
 10840  		}
 10841  		if p != x.Args[0] {
 10842  			break
 10843  		}
 10844  		if idx != x.Args[1] {
 10845  			break
 10846  		}
 10847  		if w != x.Args[2] {
 10848  			break
 10849  		}
 10850  		mem := x.Args[3]
 10851  		if !(x.Uses == 1 && clobber(x)) {
 10852  			break
 10853  		}
 10854  		v.reset(OpS390XMOVWBRstoreidx)
 10855  		v.AuxInt = i - 2
 10856  		v.Aux = s
 10857  		v.AddArg(p)
 10858  		v.AddArg(idx)
 10859  		v.AddArg(w)
 10860  		v.AddArg(mem)
 10861  		return true
 10862  	}
 10863  	// match: (MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
 10864  	// cond: x.Uses == 1   && clobber(x)
 10865  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10866  	for {
 10867  		i := v.AuxInt
 10868  		s := v.Aux
 10869  		p := v.Args[0]
 10870  		idx := v.Args[1]
 10871  		v_2 := v.Args[2]
 10872  		if v_2.Op != OpS390XSRDconst {
 10873  			break
 10874  		}
 10875  		j := v_2.AuxInt
 10876  		w := v_2.Args[0]
 10877  		x := v.Args[3]
 10878  		if x.Op != OpS390XMOVHBRstoreidx {
 10879  			break
 10880  		}
 10881  		if x.AuxInt != i-2 {
 10882  			break
 10883  		}
 10884  		if x.Aux != s {
 10885  			break
 10886  		}
 10887  		if p != x.Args[0] {
 10888  			break
 10889  		}
 10890  		if idx != x.Args[1] {
 10891  			break
 10892  		}
 10893  		w0 := x.Args[2]
 10894  		if w0.Op != OpS390XSRDconst {
 10895  			break
 10896  		}
 10897  		if w0.AuxInt != j-16 {
 10898  			break
 10899  		}
 10900  		if w != w0.Args[0] {
 10901  			break
 10902  		}
 10903  		mem := x.Args[3]
 10904  		if !(x.Uses == 1 && clobber(x)) {
 10905  			break
 10906  		}
 10907  		v.reset(OpS390XMOVWBRstoreidx)
 10908  		v.AuxInt = i - 2
 10909  		v.Aux = s
 10910  		v.AddArg(p)
 10911  		v.AddArg(idx)
 10912  		v.AddArg(w0)
 10913  		v.AddArg(mem)
 10914  		return true
 10915  	}
 10916  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
 10917  	// cond: x.Uses == 1   && clobber(x)
 10918  	// result: (MOVWBRstoreidx [i-2] {s} p idx w mem)
 10919  	for {
 10920  		i := v.AuxInt
 10921  		s := v.Aux
 10922  		p := v.Args[0]
 10923  		idx := v.Args[1]
 10924  		v_2 := v.Args[2]
 10925  		if v_2.Op != OpS390XSRWconst {
 10926  			break
 10927  		}
 10928  		if v_2.AuxInt != 16 {
 10929  			break
 10930  		}
 10931  		w := v_2.Args[0]
 10932  		x := v.Args[3]
 10933  		if x.Op != OpS390XMOVHBRstoreidx {
 10934  			break
 10935  		}
 10936  		if x.AuxInt != i-2 {
 10937  			break
 10938  		}
 10939  		if x.Aux != s {
 10940  			break
 10941  		}
 10942  		if p != x.Args[0] {
 10943  			break
 10944  		}
 10945  		if idx != x.Args[1] {
 10946  			break
 10947  		}
 10948  		if w != x.Args[2] {
 10949  			break
 10950  		}
 10951  		mem := x.Args[3]
 10952  		if !(x.Uses == 1 && clobber(x)) {
 10953  			break
 10954  		}
 10955  		v.reset(OpS390XMOVWBRstoreidx)
 10956  		v.AuxInt = i - 2
 10957  		v.Aux = s
 10958  		v.AddArg(p)
 10959  		v.AddArg(idx)
 10960  		v.AddArg(w)
 10961  		v.AddArg(mem)
 10962  		return true
 10963  	}
 10964  	// match: (MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
 10965  	// cond: x.Uses == 1   && clobber(x)
 10966  	// result: (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
 10967  	for {
 10968  		i := v.AuxInt
 10969  		s := v.Aux
 10970  		p := v.Args[0]
 10971  		idx := v.Args[1]
 10972  		v_2 := v.Args[2]
 10973  		if v_2.Op != OpS390XSRWconst {
 10974  			break
 10975  		}
 10976  		j := v_2.AuxInt
 10977  		w := v_2.Args[0]
 10978  		x := v.Args[3]
 10979  		if x.Op != OpS390XMOVHBRstoreidx {
 10980  			break
 10981  		}
 10982  		if x.AuxInt != i-2 {
 10983  			break
 10984  		}
 10985  		if x.Aux != s {
 10986  			break
 10987  		}
 10988  		if p != x.Args[0] {
 10989  			break
 10990  		}
 10991  		if idx != x.Args[1] {
 10992  			break
 10993  		}
 10994  		w0 := x.Args[2]
 10995  		if w0.Op != OpS390XSRWconst {
 10996  			break
 10997  		}
 10998  		if w0.AuxInt != j-16 {
 10999  			break
 11000  		}
 11001  		if w != w0.Args[0] {
 11002  			break
 11003  		}
 11004  		mem := x.Args[3]
 11005  		if !(x.Uses == 1 && clobber(x)) {
 11006  			break
 11007  		}
 11008  		v.reset(OpS390XMOVWBRstoreidx)
 11009  		v.AuxInt = i - 2
 11010  		v.Aux = s
 11011  		v.AddArg(p)
 11012  		v.AddArg(idx)
 11013  		v.AddArg(w0)
 11014  		v.AddArg(mem)
 11015  		return true
 11016  	}
 11017  	return false
 11018  }
 11019  func rewriteValueS390X_OpS390XMOVHZload(v *Value, config *Config) bool {
 11020  	b := v.Block
 11021  	_ = b
 11022  	// match: (MOVHZload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
 11023  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11024  	// result: (MOVHZreg x)
 11025  	for {
 11026  		off := v.AuxInt
 11027  		sym := v.Aux
 11028  		ptr := v.Args[0]
 11029  		v_1 := v.Args[1]
 11030  		if v_1.Op != OpS390XMOVHstore {
 11031  			break
 11032  		}
 11033  		off2 := v_1.AuxInt
 11034  		sym2 := v_1.Aux
 11035  		ptr2 := v_1.Args[0]
 11036  		x := v_1.Args[1]
 11037  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11038  			break
 11039  		}
 11040  		v.reset(OpS390XMOVHZreg)
 11041  		v.AddArg(x)
 11042  		return true
 11043  	}
 11044  	// match: (MOVHZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 11045  	// cond: is20Bit(off1+off2)
 11046  	// result: (MOVHZload [off1+off2] {sym} ptr mem)
 11047  	for {
 11048  		off1 := v.AuxInt
 11049  		sym := v.Aux
 11050  		v_0 := v.Args[0]
 11051  		if v_0.Op != OpS390XADDconst {
 11052  			break
 11053  		}
 11054  		off2 := v_0.AuxInt
 11055  		ptr := v_0.Args[0]
 11056  		mem := v.Args[1]
 11057  		if !(is20Bit(off1 + off2)) {
 11058  			break
 11059  		}
 11060  		v.reset(OpS390XMOVHZload)
 11061  		v.AuxInt = off1 + off2
 11062  		v.Aux = sym
 11063  		v.AddArg(ptr)
 11064  		v.AddArg(mem)
 11065  		return true
 11066  	}
 11067  	// match: (MOVHZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11068  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11069  	// result: (MOVHZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11070  	for {
 11071  		off1 := v.AuxInt
 11072  		sym1 := v.Aux
 11073  		v_0 := v.Args[0]
 11074  		if v_0.Op != OpS390XMOVDaddr {
 11075  			break
 11076  		}
 11077  		off2 := v_0.AuxInt
 11078  		sym2 := v_0.Aux
 11079  		base := v_0.Args[0]
 11080  		mem := v.Args[1]
 11081  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11082  			break
 11083  		}
 11084  		v.reset(OpS390XMOVHZload)
 11085  		v.AuxInt = off1 + off2
 11086  		v.Aux = mergeSym(sym1, sym2)
 11087  		v.AddArg(base)
 11088  		v.AddArg(mem)
 11089  		return true
 11090  	}
 11091  	// match: (MOVHZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 11092  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11093  	// result: (MOVHZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 11094  	for {
 11095  		off1 := v.AuxInt
 11096  		sym1 := v.Aux
 11097  		v_0 := v.Args[0]
 11098  		if v_0.Op != OpS390XMOVDaddridx {
 11099  			break
 11100  		}
 11101  		off2 := v_0.AuxInt
 11102  		sym2 := v_0.Aux
 11103  		ptr := v_0.Args[0]
 11104  		idx := v_0.Args[1]
 11105  		mem := v.Args[1]
 11106  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11107  			break
 11108  		}
 11109  		v.reset(OpS390XMOVHZloadidx)
 11110  		v.AuxInt = off1 + off2
 11111  		v.Aux = mergeSym(sym1, sym2)
 11112  		v.AddArg(ptr)
 11113  		v.AddArg(idx)
 11114  		v.AddArg(mem)
 11115  		return true
 11116  	}
 11117  	// match: (MOVHZload [off] {sym} (ADD ptr idx) mem)
 11118  	// cond: ptr.Op != OpSB
 11119  	// result: (MOVHZloadidx [off] {sym} ptr idx mem)
 11120  	for {
 11121  		off := v.AuxInt
 11122  		sym := v.Aux
 11123  		v_0 := v.Args[0]
 11124  		if v_0.Op != OpS390XADD {
 11125  			break
 11126  		}
 11127  		ptr := v_0.Args[0]
 11128  		idx := v_0.Args[1]
 11129  		mem := v.Args[1]
 11130  		if !(ptr.Op != OpSB) {
 11131  			break
 11132  		}
 11133  		v.reset(OpS390XMOVHZloadidx)
 11134  		v.AuxInt = off
 11135  		v.Aux = sym
 11136  		v.AddArg(ptr)
 11137  		v.AddArg(idx)
 11138  		v.AddArg(mem)
 11139  		return true
 11140  	}
 11141  	return false
 11142  }
 11143  func rewriteValueS390X_OpS390XMOVHZloadidx(v *Value, config *Config) bool {
 11144  	b := v.Block
 11145  	_ = b
 11146  	// match: (MOVHZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 11147  	// cond:
 11148  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11149  	for {
 11150  		c := v.AuxInt
 11151  		sym := v.Aux
 11152  		v_0 := v.Args[0]
 11153  		if v_0.Op != OpS390XADDconst {
 11154  			break
 11155  		}
 11156  		d := v_0.AuxInt
 11157  		ptr := v_0.Args[0]
 11158  		idx := v.Args[1]
 11159  		mem := v.Args[2]
 11160  		v.reset(OpS390XMOVHZloadidx)
 11161  		v.AuxInt = c + d
 11162  		v.Aux = sym
 11163  		v.AddArg(ptr)
 11164  		v.AddArg(idx)
 11165  		v.AddArg(mem)
 11166  		return true
 11167  	}
 11168  	// match: (MOVHZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 11169  	// cond:
 11170  	// result: (MOVHZloadidx [c+d] {sym} ptr idx mem)
 11171  	for {
 11172  		c := v.AuxInt
 11173  		sym := v.Aux
 11174  		ptr := v.Args[0]
 11175  		v_1 := v.Args[1]
 11176  		if v_1.Op != OpS390XADDconst {
 11177  			break
 11178  		}
 11179  		d := v_1.AuxInt
 11180  		idx := v_1.Args[0]
 11181  		mem := v.Args[2]
 11182  		v.reset(OpS390XMOVHZloadidx)
 11183  		v.AuxInt = c + d
 11184  		v.Aux = sym
 11185  		v.AddArg(ptr)
 11186  		v.AddArg(idx)
 11187  		v.AddArg(mem)
 11188  		return true
 11189  	}
 11190  	return false
 11191  }
 11192  func rewriteValueS390X_OpS390XMOVHZreg(v *Value, config *Config) bool {
 11193  	b := v.Block
 11194  	_ = b
 11195  	// match: (MOVHZreg x:(MOVBZload _ _))
 11196  	// cond:
 11197  	// result: (MOVDreg x)
 11198  	for {
 11199  		x := v.Args[0]
 11200  		if x.Op != OpS390XMOVBZload {
 11201  			break
 11202  		}
 11203  		v.reset(OpS390XMOVDreg)
 11204  		v.AddArg(x)
 11205  		return true
 11206  	}
 11207  	// match: (MOVHZreg x:(MOVHZload _ _))
 11208  	// cond:
 11209  	// result: (MOVDreg x)
 11210  	for {
 11211  		x := v.Args[0]
 11212  		if x.Op != OpS390XMOVHZload {
 11213  			break
 11214  		}
 11215  		v.reset(OpS390XMOVDreg)
 11216  		v.AddArg(x)
 11217  		return true
 11218  	}
 11219  	// match: (MOVHZreg x:(Arg <t>))
 11220  	// cond: (is8BitInt(t) || is16BitInt(t)) && !isSigned(t)
 11221  	// result: (MOVDreg x)
 11222  	for {
 11223  		x := v.Args[0]
 11224  		if x.Op != OpArg {
 11225  			break
 11226  		}
 11227  		t := x.Type
 11228  		if !((is8BitInt(t) || is16BitInt(t)) && !isSigned(t)) {
 11229  			break
 11230  		}
 11231  		v.reset(OpS390XMOVDreg)
 11232  		v.AddArg(x)
 11233  		return true
 11234  	}
 11235  	// match: (MOVHZreg x:(MOVBZreg _))
 11236  	// cond:
 11237  	// result: (MOVDreg x)
 11238  	for {
 11239  		x := v.Args[0]
 11240  		if x.Op != OpS390XMOVBZreg {
 11241  			break
 11242  		}
 11243  		v.reset(OpS390XMOVDreg)
 11244  		v.AddArg(x)
 11245  		return true
 11246  	}
 11247  	// match: (MOVHZreg x:(MOVHZreg _))
 11248  	// cond:
 11249  	// result: (MOVDreg x)
 11250  	for {
 11251  		x := v.Args[0]
 11252  		if x.Op != OpS390XMOVHZreg {
 11253  			break
 11254  		}
 11255  		v.reset(OpS390XMOVDreg)
 11256  		v.AddArg(x)
 11257  		return true
 11258  	}
 11259  	// match: (MOVHZreg (MOVDconst [c]))
 11260  	// cond:
 11261  	// result: (MOVDconst [int64(uint16(c))])
 11262  	for {
 11263  		v_0 := v.Args[0]
 11264  		if v_0.Op != OpS390XMOVDconst {
 11265  			break
 11266  		}
 11267  		c := v_0.AuxInt
 11268  		v.reset(OpS390XMOVDconst)
 11269  		v.AuxInt = int64(uint16(c))
 11270  		return true
 11271  	}
 11272  	// match: (MOVHZreg x:(MOVHZload [off] {sym} ptr mem))
 11273  	// cond: x.Uses == 1 && clobber(x)
 11274  	// result: @x.Block (MOVHZload <v.Type> [off] {sym} ptr mem)
 11275  	for {
 11276  		x := v.Args[0]
 11277  		if x.Op != OpS390XMOVHZload {
 11278  			break
 11279  		}
 11280  		off := x.AuxInt
 11281  		sym := x.Aux
 11282  		ptr := x.Args[0]
 11283  		mem := x.Args[1]
 11284  		if !(x.Uses == 1 && clobber(x)) {
 11285  			break
 11286  		}
 11287  		b = x.Block
 11288  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, v.Type)
 11289  		v.reset(OpCopy)
 11290  		v.AddArg(v0)
 11291  		v0.AuxInt = off
 11292  		v0.Aux = sym
 11293  		v0.AddArg(ptr)
 11294  		v0.AddArg(mem)
 11295  		return true
 11296  	}
 11297  	// match: (MOVHZreg x:(MOVHZloadidx [off] {sym} ptr idx mem))
 11298  	// cond: x.Uses == 1 && clobber(x)
 11299  	// result: @x.Block (MOVHZloadidx <v.Type> [off] {sym} ptr idx mem)
 11300  	for {
 11301  		x := v.Args[0]
 11302  		if x.Op != OpS390XMOVHZloadidx {
 11303  			break
 11304  		}
 11305  		off := x.AuxInt
 11306  		sym := x.Aux
 11307  		ptr := x.Args[0]
 11308  		idx := x.Args[1]
 11309  		mem := x.Args[2]
 11310  		if !(x.Uses == 1 && clobber(x)) {
 11311  			break
 11312  		}
 11313  		b = x.Block
 11314  		v0 := b.NewValue0(v.Line, OpS390XMOVHZloadidx, v.Type)
 11315  		v.reset(OpCopy)
 11316  		v.AddArg(v0)
 11317  		v0.AuxInt = off
 11318  		v0.Aux = sym
 11319  		v0.AddArg(ptr)
 11320  		v0.AddArg(idx)
 11321  		v0.AddArg(mem)
 11322  		return true
 11323  	}
 11324  	return false
 11325  }
 11326  func rewriteValueS390X_OpS390XMOVHload(v *Value, config *Config) bool {
 11327  	b := v.Block
 11328  	_ = b
 11329  	// match: (MOVHload   [off1] {sym} (ADDconst [off2] ptr) mem)
 11330  	// cond: is20Bit(off1+off2)
 11331  	// result: (MOVHload  [off1+off2] {sym} ptr mem)
 11332  	for {
 11333  		off1 := v.AuxInt
 11334  		sym := v.Aux
 11335  		v_0 := v.Args[0]
 11336  		if v_0.Op != OpS390XADDconst {
 11337  			break
 11338  		}
 11339  		off2 := v_0.AuxInt
 11340  		ptr := v_0.Args[0]
 11341  		mem := v.Args[1]
 11342  		if !(is20Bit(off1 + off2)) {
 11343  			break
 11344  		}
 11345  		v.reset(OpS390XMOVHload)
 11346  		v.AuxInt = off1 + off2
 11347  		v.Aux = sym
 11348  		v.AddArg(ptr)
 11349  		v.AddArg(mem)
 11350  		return true
 11351  	}
 11352  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 11353  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11354  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 11355  	for {
 11356  		off1 := v.AuxInt
 11357  		sym1 := v.Aux
 11358  		v_0 := v.Args[0]
 11359  		if v_0.Op != OpS390XMOVDaddr {
 11360  			break
 11361  		}
 11362  		off2 := v_0.AuxInt
 11363  		sym2 := v_0.Aux
 11364  		base := v_0.Args[0]
 11365  		mem := v.Args[1]
 11366  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11367  			break
 11368  		}
 11369  		v.reset(OpS390XMOVHload)
 11370  		v.AuxInt = off1 + off2
 11371  		v.Aux = mergeSym(sym1, sym2)
 11372  		v.AddArg(base)
 11373  		v.AddArg(mem)
 11374  		return true
 11375  	}
 11376  	return false
 11377  }
 11378  func rewriteValueS390X_OpS390XMOVHreg(v *Value, config *Config) bool {
 11379  	b := v.Block
 11380  	_ = b
 11381  	// match: (MOVHreg x:(MOVBload _ _))
 11382  	// cond:
 11383  	// result: (MOVDreg x)
 11384  	for {
 11385  		x := v.Args[0]
 11386  		if x.Op != OpS390XMOVBload {
 11387  			break
 11388  		}
 11389  		v.reset(OpS390XMOVDreg)
 11390  		v.AddArg(x)
 11391  		return true
 11392  	}
 11393  	// match: (MOVHreg x:(MOVBZload _ _))
 11394  	// cond:
 11395  	// result: (MOVDreg x)
 11396  	for {
 11397  		x := v.Args[0]
 11398  		if x.Op != OpS390XMOVBZload {
 11399  			break
 11400  		}
 11401  		v.reset(OpS390XMOVDreg)
 11402  		v.AddArg(x)
 11403  		return true
 11404  	}
 11405  	// match: (MOVHreg x:(MOVHload _ _))
 11406  	// cond:
 11407  	// result: (MOVDreg x)
 11408  	for {
 11409  		x := v.Args[0]
 11410  		if x.Op != OpS390XMOVHload {
 11411  			break
 11412  		}
 11413  		v.reset(OpS390XMOVDreg)
 11414  		v.AddArg(x)
 11415  		return true
 11416  	}
 11417  	// match: (MOVHreg x:(Arg <t>))
 11418  	// cond: (is8BitInt(t) || is16BitInt(t)) && isSigned(t)
 11419  	// result: (MOVDreg x)
 11420  	for {
 11421  		x := v.Args[0]
 11422  		if x.Op != OpArg {
 11423  			break
 11424  		}
 11425  		t := x.Type
 11426  		if !((is8BitInt(t) || is16BitInt(t)) && isSigned(t)) {
 11427  			break
 11428  		}
 11429  		v.reset(OpS390XMOVDreg)
 11430  		v.AddArg(x)
 11431  		return true
 11432  	}
 11433  	// match: (MOVHreg x:(MOVBreg _))
 11434  	// cond:
 11435  	// result: (MOVDreg x)
 11436  	for {
 11437  		x := v.Args[0]
 11438  		if x.Op != OpS390XMOVBreg {
 11439  			break
 11440  		}
 11441  		v.reset(OpS390XMOVDreg)
 11442  		v.AddArg(x)
 11443  		return true
 11444  	}
 11445  	// match: (MOVHreg x:(MOVBZreg _))
 11446  	// cond:
 11447  	// result: (MOVDreg x)
 11448  	for {
 11449  		x := v.Args[0]
 11450  		if x.Op != OpS390XMOVBZreg {
 11451  			break
 11452  		}
 11453  		v.reset(OpS390XMOVDreg)
 11454  		v.AddArg(x)
 11455  		return true
 11456  	}
 11457  	// match: (MOVHreg x:(MOVHreg _))
 11458  	// cond:
 11459  	// result: (MOVDreg x)
 11460  	for {
 11461  		x := v.Args[0]
 11462  		if x.Op != OpS390XMOVHreg {
 11463  			break
 11464  		}
 11465  		v.reset(OpS390XMOVDreg)
 11466  		v.AddArg(x)
 11467  		return true
 11468  	}
 11469  	// match: (MOVHreg (MOVDconst [c]))
 11470  	// cond:
 11471  	// result: (MOVDconst [int64(int16(c))])
 11472  	for {
 11473  		v_0 := v.Args[0]
 11474  		if v_0.Op != OpS390XMOVDconst {
 11475  			break
 11476  		}
 11477  		c := v_0.AuxInt
 11478  		v.reset(OpS390XMOVDconst)
 11479  		v.AuxInt = int64(int16(c))
 11480  		return true
 11481  	}
 11482  	// match: (MOVHreg x:(MOVHZload [off] {sym} ptr mem))
 11483  	// cond: x.Uses == 1 && clobber(x)
 11484  	// result: @x.Block (MOVHload <v.Type> [off] {sym} ptr mem)
 11485  	for {
 11486  		x := v.Args[0]
 11487  		if x.Op != OpS390XMOVHZload {
 11488  			break
 11489  		}
 11490  		off := x.AuxInt
 11491  		sym := x.Aux
 11492  		ptr := x.Args[0]
 11493  		mem := x.Args[1]
 11494  		if !(x.Uses == 1 && clobber(x)) {
 11495  			break
 11496  		}
 11497  		b = x.Block
 11498  		v0 := b.NewValue0(v.Line, OpS390XMOVHload, v.Type)
 11499  		v.reset(OpCopy)
 11500  		v.AddArg(v0)
 11501  		v0.AuxInt = off
 11502  		v0.Aux = sym
 11503  		v0.AddArg(ptr)
 11504  		v0.AddArg(mem)
 11505  		return true
 11506  	}
 11507  	return false
 11508  }
 11509  func rewriteValueS390X_OpS390XMOVHstore(v *Value, config *Config) bool {
 11510  	b := v.Block
 11511  	_ = b
 11512  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11513  	// cond:
 11514  	// result: (MOVHstore [off] {sym} ptr x mem)
 11515  	for {
 11516  		off := v.AuxInt
 11517  		sym := v.Aux
 11518  		ptr := v.Args[0]
 11519  		v_1 := v.Args[1]
 11520  		if v_1.Op != OpS390XMOVHreg {
 11521  			break
 11522  		}
 11523  		x := v_1.Args[0]
 11524  		mem := v.Args[2]
 11525  		v.reset(OpS390XMOVHstore)
 11526  		v.AuxInt = off
 11527  		v.Aux = sym
 11528  		v.AddArg(ptr)
 11529  		v.AddArg(x)
 11530  		v.AddArg(mem)
 11531  		return true
 11532  	}
 11533  	// match: (MOVHstore [off] {sym} ptr (MOVHZreg x) mem)
 11534  	// cond:
 11535  	// result: (MOVHstore [off] {sym} ptr x mem)
 11536  	for {
 11537  		off := v.AuxInt
 11538  		sym := v.Aux
 11539  		ptr := v.Args[0]
 11540  		v_1 := v.Args[1]
 11541  		if v_1.Op != OpS390XMOVHZreg {
 11542  			break
 11543  		}
 11544  		x := v_1.Args[0]
 11545  		mem := v.Args[2]
 11546  		v.reset(OpS390XMOVHstore)
 11547  		v.AuxInt = off
 11548  		v.Aux = sym
 11549  		v.AddArg(ptr)
 11550  		v.AddArg(x)
 11551  		v.AddArg(mem)
 11552  		return true
 11553  	}
 11554  	// match: (MOVHstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 11555  	// cond: is20Bit(off1+off2)
 11556  	// result: (MOVHstore  [off1+off2] {sym} ptr val mem)
 11557  	for {
 11558  		off1 := v.AuxInt
 11559  		sym := v.Aux
 11560  		v_0 := v.Args[0]
 11561  		if v_0.Op != OpS390XADDconst {
 11562  			break
 11563  		}
 11564  		off2 := v_0.AuxInt
 11565  		ptr := v_0.Args[0]
 11566  		val := v.Args[1]
 11567  		mem := v.Args[2]
 11568  		if !(is20Bit(off1 + off2)) {
 11569  			break
 11570  		}
 11571  		v.reset(OpS390XMOVHstore)
 11572  		v.AuxInt = off1 + off2
 11573  		v.Aux = sym
 11574  		v.AddArg(ptr)
 11575  		v.AddArg(val)
 11576  		v.AddArg(mem)
 11577  		return true
 11578  	}
 11579  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [c]) mem)
 11580  	// cond: validOff(off) && ptr.Op != OpSB
 11581  	// result: (MOVHstoreconst [makeValAndOff(int64(int16(c)),off)] {sym} ptr mem)
 11582  	for {
 11583  		off := v.AuxInt
 11584  		sym := v.Aux
 11585  		ptr := v.Args[0]
 11586  		v_1 := v.Args[1]
 11587  		if v_1.Op != OpS390XMOVDconst {
 11588  			break
 11589  		}
 11590  		c := v_1.AuxInt
 11591  		mem := v.Args[2]
 11592  		if !(validOff(off) && ptr.Op != OpSB) {
 11593  			break
 11594  		}
 11595  		v.reset(OpS390XMOVHstoreconst)
 11596  		v.AuxInt = makeValAndOff(int64(int16(c)), off)
 11597  		v.Aux = sym
 11598  		v.AddArg(ptr)
 11599  		v.AddArg(mem)
 11600  		return true
 11601  	}
 11602  	// match: (MOVHstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 11603  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11604  	// result: (MOVHstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 11605  	for {
 11606  		off1 := v.AuxInt
 11607  		sym1 := v.Aux
 11608  		v_0 := v.Args[0]
 11609  		if v_0.Op != OpS390XMOVDaddr {
 11610  			break
 11611  		}
 11612  		off2 := v_0.AuxInt
 11613  		sym2 := v_0.Aux
 11614  		base := v_0.Args[0]
 11615  		val := v.Args[1]
 11616  		mem := v.Args[2]
 11617  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11618  			break
 11619  		}
 11620  		v.reset(OpS390XMOVHstore)
 11621  		v.AuxInt = off1 + off2
 11622  		v.Aux = mergeSym(sym1, sym2)
 11623  		v.AddArg(base)
 11624  		v.AddArg(val)
 11625  		v.AddArg(mem)
 11626  		return true
 11627  	}
 11628  	// match: (MOVHstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 11629  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 11630  	// result: (MOVHstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 11631  	for {
 11632  		off1 := v.AuxInt
 11633  		sym1 := v.Aux
 11634  		v_0 := v.Args[0]
 11635  		if v_0.Op != OpS390XMOVDaddridx {
 11636  			break
 11637  		}
 11638  		off2 := v_0.AuxInt
 11639  		sym2 := v_0.Aux
 11640  		ptr := v_0.Args[0]
 11641  		idx := v_0.Args[1]
 11642  		val := v.Args[1]
 11643  		mem := v.Args[2]
 11644  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 11645  			break
 11646  		}
 11647  		v.reset(OpS390XMOVHstoreidx)
 11648  		v.AuxInt = off1 + off2
 11649  		v.Aux = mergeSym(sym1, sym2)
 11650  		v.AddArg(ptr)
 11651  		v.AddArg(idx)
 11652  		v.AddArg(val)
 11653  		v.AddArg(mem)
 11654  		return true
 11655  	}
 11656  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11657  	// cond: ptr.Op != OpSB
 11658  	// result: (MOVHstoreidx [off] {sym} ptr idx val mem)
 11659  	for {
 11660  		off := v.AuxInt
 11661  		sym := v.Aux
 11662  		v_0 := v.Args[0]
 11663  		if v_0.Op != OpS390XADD {
 11664  			break
 11665  		}
 11666  		ptr := v_0.Args[0]
 11667  		idx := v_0.Args[1]
 11668  		val := v.Args[1]
 11669  		mem := v.Args[2]
 11670  		if !(ptr.Op != OpSB) {
 11671  			break
 11672  		}
 11673  		v.reset(OpS390XMOVHstoreidx)
 11674  		v.AuxInt = off
 11675  		v.Aux = sym
 11676  		v.AddArg(ptr)
 11677  		v.AddArg(idx)
 11678  		v.AddArg(val)
 11679  		v.AddArg(mem)
 11680  		return true
 11681  	}
 11682  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRDconst [16] w) mem))
 11683  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11684  	// result: (MOVWstore [i-2] {s} p w mem)
 11685  	for {
 11686  		i := v.AuxInt
 11687  		s := v.Aux
 11688  		p := v.Args[0]
 11689  		w := v.Args[1]
 11690  		x := v.Args[2]
 11691  		if x.Op != OpS390XMOVHstore {
 11692  			break
 11693  		}
 11694  		if x.AuxInt != i-2 {
 11695  			break
 11696  		}
 11697  		if x.Aux != s {
 11698  			break
 11699  		}
 11700  		if p != x.Args[0] {
 11701  			break
 11702  		}
 11703  		x_1 := x.Args[1]
 11704  		if x_1.Op != OpS390XSRDconst {
 11705  			break
 11706  		}
 11707  		if x_1.AuxInt != 16 {
 11708  			break
 11709  		}
 11710  		if w != x_1.Args[0] {
 11711  			break
 11712  		}
 11713  		mem := x.Args[2]
 11714  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11715  			break
 11716  		}
 11717  		v.reset(OpS390XMOVWstore)
 11718  		v.AuxInt = i - 2
 11719  		v.Aux = s
 11720  		v.AddArg(p)
 11721  		v.AddArg(w)
 11722  		v.AddArg(mem)
 11723  		return true
 11724  	}
 11725  	// match: (MOVHstore [i] {s} p w0:(SRDconst [j] w) x:(MOVHstore [i-2] {s} p (SRDconst [j+16] w) mem))
 11726  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11727  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11728  	for {
 11729  		i := v.AuxInt
 11730  		s := v.Aux
 11731  		p := v.Args[0]
 11732  		w0 := v.Args[1]
 11733  		if w0.Op != OpS390XSRDconst {
 11734  			break
 11735  		}
 11736  		j := w0.AuxInt
 11737  		w := w0.Args[0]
 11738  		x := v.Args[2]
 11739  		if x.Op != OpS390XMOVHstore {
 11740  			break
 11741  		}
 11742  		if x.AuxInt != i-2 {
 11743  			break
 11744  		}
 11745  		if x.Aux != s {
 11746  			break
 11747  		}
 11748  		if p != x.Args[0] {
 11749  			break
 11750  		}
 11751  		x_1 := x.Args[1]
 11752  		if x_1.Op != OpS390XSRDconst {
 11753  			break
 11754  		}
 11755  		if x_1.AuxInt != j+16 {
 11756  			break
 11757  		}
 11758  		if w != x_1.Args[0] {
 11759  			break
 11760  		}
 11761  		mem := x.Args[2]
 11762  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11763  			break
 11764  		}
 11765  		v.reset(OpS390XMOVWstore)
 11766  		v.AuxInt = i - 2
 11767  		v.Aux = s
 11768  		v.AddArg(p)
 11769  		v.AddArg(w0)
 11770  		v.AddArg(mem)
 11771  		return true
 11772  	}
 11773  	// match: (MOVHstore [i] {s} p w x:(MOVHstore [i-2] {s} p (SRWconst [16] w) mem))
 11774  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11775  	// result: (MOVWstore [i-2] {s} p w mem)
 11776  	for {
 11777  		i := v.AuxInt
 11778  		s := v.Aux
 11779  		p := v.Args[0]
 11780  		w := v.Args[1]
 11781  		x := v.Args[2]
 11782  		if x.Op != OpS390XMOVHstore {
 11783  			break
 11784  		}
 11785  		if x.AuxInt != i-2 {
 11786  			break
 11787  		}
 11788  		if x.Aux != s {
 11789  			break
 11790  		}
 11791  		if p != x.Args[0] {
 11792  			break
 11793  		}
 11794  		x_1 := x.Args[1]
 11795  		if x_1.Op != OpS390XSRWconst {
 11796  			break
 11797  		}
 11798  		if x_1.AuxInt != 16 {
 11799  			break
 11800  		}
 11801  		if w != x_1.Args[0] {
 11802  			break
 11803  		}
 11804  		mem := x.Args[2]
 11805  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11806  			break
 11807  		}
 11808  		v.reset(OpS390XMOVWstore)
 11809  		v.AuxInt = i - 2
 11810  		v.Aux = s
 11811  		v.AddArg(p)
 11812  		v.AddArg(w)
 11813  		v.AddArg(mem)
 11814  		return true
 11815  	}
 11816  	// match: (MOVHstore [i] {s} p w0:(SRWconst [j] w) x:(MOVHstore [i-2] {s} p (SRWconst [j+16] w) mem))
 11817  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 11818  	// result: (MOVWstore [i-2] {s} p w0 mem)
 11819  	for {
 11820  		i := v.AuxInt
 11821  		s := v.Aux
 11822  		p := v.Args[0]
 11823  		w0 := v.Args[1]
 11824  		if w0.Op != OpS390XSRWconst {
 11825  			break
 11826  		}
 11827  		j := w0.AuxInt
 11828  		w := w0.Args[0]
 11829  		x := v.Args[2]
 11830  		if x.Op != OpS390XMOVHstore {
 11831  			break
 11832  		}
 11833  		if x.AuxInt != i-2 {
 11834  			break
 11835  		}
 11836  		if x.Aux != s {
 11837  			break
 11838  		}
 11839  		if p != x.Args[0] {
 11840  			break
 11841  		}
 11842  		x_1 := x.Args[1]
 11843  		if x_1.Op != OpS390XSRWconst {
 11844  			break
 11845  		}
 11846  		if x_1.AuxInt != j+16 {
 11847  			break
 11848  		}
 11849  		if w != x_1.Args[0] {
 11850  			break
 11851  		}
 11852  		mem := x.Args[2]
 11853  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 11854  			break
 11855  		}
 11856  		v.reset(OpS390XMOVWstore)
 11857  		v.AuxInt = i - 2
 11858  		v.Aux = s
 11859  		v.AddArg(p)
 11860  		v.AddArg(w0)
 11861  		v.AddArg(mem)
 11862  		return true
 11863  	}
 11864  	return false
 11865  }
 11866  func rewriteValueS390X_OpS390XMOVHstoreconst(v *Value, config *Config) bool {
 11867  	b := v.Block
 11868  	_ = b
 11869  	// match: (MOVHstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 11870  	// cond: ValAndOff(sc).canAdd(off)
 11871  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 11872  	for {
 11873  		sc := v.AuxInt
 11874  		s := v.Aux
 11875  		v_0 := v.Args[0]
 11876  		if v_0.Op != OpS390XADDconst {
 11877  			break
 11878  		}
 11879  		off := v_0.AuxInt
 11880  		ptr := v_0.Args[0]
 11881  		mem := v.Args[1]
 11882  		if !(ValAndOff(sc).canAdd(off)) {
 11883  			break
 11884  		}
 11885  		v.reset(OpS390XMOVHstoreconst)
 11886  		v.AuxInt = ValAndOff(sc).add(off)
 11887  		v.Aux = s
 11888  		v.AddArg(ptr)
 11889  		v.AddArg(mem)
 11890  		return true
 11891  	}
 11892  	// match: (MOVHstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 11893  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 11894  	// result: (MOVHstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 11895  	for {
 11896  		sc := v.AuxInt
 11897  		sym1 := v.Aux
 11898  		v_0 := v.Args[0]
 11899  		if v_0.Op != OpS390XMOVDaddr {
 11900  			break
 11901  		}
 11902  		off := v_0.AuxInt
 11903  		sym2 := v_0.Aux
 11904  		ptr := v_0.Args[0]
 11905  		mem := v.Args[1]
 11906  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 11907  			break
 11908  		}
 11909  		v.reset(OpS390XMOVHstoreconst)
 11910  		v.AuxInt = ValAndOff(sc).add(off)
 11911  		v.Aux = mergeSym(sym1, sym2)
 11912  		v.AddArg(ptr)
 11913  		v.AddArg(mem)
 11914  		return true
 11915  	}
 11916  	// match: (MOVHstoreconst [c] {s} p x:(MOVHstoreconst [a] {s} p mem))
 11917  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 2 == ValAndOff(c).Off()   && clobber(x)
 11918  	// result: (MOVWstoreconst [makeValAndOff(ValAndOff(c).Val()&0xffff | ValAndOff(a).Val()<<16, ValAndOff(a).Off())] {s} p mem)
 11919  	for {
 11920  		c := v.AuxInt
 11921  		s := v.Aux
 11922  		p := v.Args[0]
 11923  		x := v.Args[1]
 11924  		if x.Op != OpS390XMOVHstoreconst {
 11925  			break
 11926  		}
 11927  		a := x.AuxInt
 11928  		if x.Aux != s {
 11929  			break
 11930  		}
 11931  		if p != x.Args[0] {
 11932  			break
 11933  		}
 11934  		mem := x.Args[1]
 11935  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
 11936  			break
 11937  		}
 11938  		v.reset(OpS390XMOVWstoreconst)
 11939  		v.AuxInt = makeValAndOff(ValAndOff(c).Val()&0xffff|ValAndOff(a).Val()<<16, ValAndOff(a).Off())
 11940  		v.Aux = s
 11941  		v.AddArg(p)
 11942  		v.AddArg(mem)
 11943  		return true
 11944  	}
 11945  	return false
 11946  }
 11947  func rewriteValueS390X_OpS390XMOVHstoreidx(v *Value, config *Config) bool {
 11948  	b := v.Block
 11949  	_ = b
 11950  	// match: (MOVHstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 11951  	// cond:
 11952  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11953  	for {
 11954  		c := v.AuxInt
 11955  		sym := v.Aux
 11956  		v_0 := v.Args[0]
 11957  		if v_0.Op != OpS390XADDconst {
 11958  			break
 11959  		}
 11960  		d := v_0.AuxInt
 11961  		ptr := v_0.Args[0]
 11962  		idx := v.Args[1]
 11963  		val := v.Args[2]
 11964  		mem := v.Args[3]
 11965  		v.reset(OpS390XMOVHstoreidx)
 11966  		v.AuxInt = c + d
 11967  		v.Aux = sym
 11968  		v.AddArg(ptr)
 11969  		v.AddArg(idx)
 11970  		v.AddArg(val)
 11971  		v.AddArg(mem)
 11972  		return true
 11973  	}
 11974  	// match: (MOVHstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 11975  	// cond:
 11976  	// result: (MOVHstoreidx [c+d] {sym} ptr idx val mem)
 11977  	for {
 11978  		c := v.AuxInt
 11979  		sym := v.Aux
 11980  		ptr := v.Args[0]
 11981  		v_1 := v.Args[1]
 11982  		if v_1.Op != OpS390XADDconst {
 11983  			break
 11984  		}
 11985  		d := v_1.AuxInt
 11986  		idx := v_1.Args[0]
 11987  		val := v.Args[2]
 11988  		mem := v.Args[3]
 11989  		v.reset(OpS390XMOVHstoreidx)
 11990  		v.AuxInt = c + d
 11991  		v.Aux = sym
 11992  		v.AddArg(ptr)
 11993  		v.AddArg(idx)
 11994  		v.AddArg(val)
 11995  		v.AddArg(mem)
 11996  		return true
 11997  	}
 11998  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
 11999  	// cond: x.Uses == 1   && clobber(x)
 12000  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12001  	for {
 12002  		i := v.AuxInt
 12003  		s := v.Aux
 12004  		p := v.Args[0]
 12005  		idx := v.Args[1]
 12006  		w := v.Args[2]
 12007  		x := v.Args[3]
 12008  		if x.Op != OpS390XMOVHstoreidx {
 12009  			break
 12010  		}
 12011  		if x.AuxInt != i-2 {
 12012  			break
 12013  		}
 12014  		if x.Aux != s {
 12015  			break
 12016  		}
 12017  		if p != x.Args[0] {
 12018  			break
 12019  		}
 12020  		if idx != x.Args[1] {
 12021  			break
 12022  		}
 12023  		x_2 := x.Args[2]
 12024  		if x_2.Op != OpS390XSRDconst {
 12025  			break
 12026  		}
 12027  		if x_2.AuxInt != 16 {
 12028  			break
 12029  		}
 12030  		if w != x_2.Args[0] {
 12031  			break
 12032  		}
 12033  		mem := x.Args[3]
 12034  		if !(x.Uses == 1 && clobber(x)) {
 12035  			break
 12036  		}
 12037  		v.reset(OpS390XMOVWstoreidx)
 12038  		v.AuxInt = i - 2
 12039  		v.Aux = s
 12040  		v.AddArg(p)
 12041  		v.AddArg(idx)
 12042  		v.AddArg(w)
 12043  		v.AddArg(mem)
 12044  		return true
 12045  	}
 12046  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
 12047  	// cond: x.Uses == 1   && clobber(x)
 12048  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12049  	for {
 12050  		i := v.AuxInt
 12051  		s := v.Aux
 12052  		p := v.Args[0]
 12053  		idx := v.Args[1]
 12054  		w0 := v.Args[2]
 12055  		if w0.Op != OpS390XSRDconst {
 12056  			break
 12057  		}
 12058  		j := w0.AuxInt
 12059  		w := w0.Args[0]
 12060  		x := v.Args[3]
 12061  		if x.Op != OpS390XMOVHstoreidx {
 12062  			break
 12063  		}
 12064  		if x.AuxInt != i-2 {
 12065  			break
 12066  		}
 12067  		if x.Aux != s {
 12068  			break
 12069  		}
 12070  		if p != x.Args[0] {
 12071  			break
 12072  		}
 12073  		if idx != x.Args[1] {
 12074  			break
 12075  		}
 12076  		x_2 := x.Args[2]
 12077  		if x_2.Op != OpS390XSRDconst {
 12078  			break
 12079  		}
 12080  		if x_2.AuxInt != j+16 {
 12081  			break
 12082  		}
 12083  		if w != x_2.Args[0] {
 12084  			break
 12085  		}
 12086  		mem := x.Args[3]
 12087  		if !(x.Uses == 1 && clobber(x)) {
 12088  			break
 12089  		}
 12090  		v.reset(OpS390XMOVWstoreidx)
 12091  		v.AuxInt = i - 2
 12092  		v.Aux = s
 12093  		v.AddArg(p)
 12094  		v.AddArg(idx)
 12095  		v.AddArg(w0)
 12096  		v.AddArg(mem)
 12097  		return true
 12098  	}
 12099  	// match: (MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
 12100  	// cond: x.Uses == 1   && clobber(x)
 12101  	// result: (MOVWstoreidx [i-2] {s} p idx w mem)
 12102  	for {
 12103  		i := v.AuxInt
 12104  		s := v.Aux
 12105  		p := v.Args[0]
 12106  		idx := v.Args[1]
 12107  		w := v.Args[2]
 12108  		x := v.Args[3]
 12109  		if x.Op != OpS390XMOVHstoreidx {
 12110  			break
 12111  		}
 12112  		if x.AuxInt != i-2 {
 12113  			break
 12114  		}
 12115  		if x.Aux != s {
 12116  			break
 12117  		}
 12118  		if p != x.Args[0] {
 12119  			break
 12120  		}
 12121  		if idx != x.Args[1] {
 12122  			break
 12123  		}
 12124  		x_2 := x.Args[2]
 12125  		if x_2.Op != OpS390XSRWconst {
 12126  			break
 12127  		}
 12128  		if x_2.AuxInt != 16 {
 12129  			break
 12130  		}
 12131  		if w != x_2.Args[0] {
 12132  			break
 12133  		}
 12134  		mem := x.Args[3]
 12135  		if !(x.Uses == 1 && clobber(x)) {
 12136  			break
 12137  		}
 12138  		v.reset(OpS390XMOVWstoreidx)
 12139  		v.AuxInt = i - 2
 12140  		v.Aux = s
 12141  		v.AddArg(p)
 12142  		v.AddArg(idx)
 12143  		v.AddArg(w)
 12144  		v.AddArg(mem)
 12145  		return true
 12146  	}
 12147  	// match: (MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
 12148  	// cond: x.Uses == 1   && clobber(x)
 12149  	// result: (MOVWstoreidx [i-2] {s} p idx w0 mem)
 12150  	for {
 12151  		i := v.AuxInt
 12152  		s := v.Aux
 12153  		p := v.Args[0]
 12154  		idx := v.Args[1]
 12155  		w0 := v.Args[2]
 12156  		if w0.Op != OpS390XSRWconst {
 12157  			break
 12158  		}
 12159  		j := w0.AuxInt
 12160  		w := w0.Args[0]
 12161  		x := v.Args[3]
 12162  		if x.Op != OpS390XMOVHstoreidx {
 12163  			break
 12164  		}
 12165  		if x.AuxInt != i-2 {
 12166  			break
 12167  		}
 12168  		if x.Aux != s {
 12169  			break
 12170  		}
 12171  		if p != x.Args[0] {
 12172  			break
 12173  		}
 12174  		if idx != x.Args[1] {
 12175  			break
 12176  		}
 12177  		x_2 := x.Args[2]
 12178  		if x_2.Op != OpS390XSRWconst {
 12179  			break
 12180  		}
 12181  		if x_2.AuxInt != j+16 {
 12182  			break
 12183  		}
 12184  		if w != x_2.Args[0] {
 12185  			break
 12186  		}
 12187  		mem := x.Args[3]
 12188  		if !(x.Uses == 1 && clobber(x)) {
 12189  			break
 12190  		}
 12191  		v.reset(OpS390XMOVWstoreidx)
 12192  		v.AuxInt = i - 2
 12193  		v.Aux = s
 12194  		v.AddArg(p)
 12195  		v.AddArg(idx)
 12196  		v.AddArg(w0)
 12197  		v.AddArg(mem)
 12198  		return true
 12199  	}
 12200  	return false
 12201  }
 12202  func rewriteValueS390X_OpS390XMOVWBRstore(v *Value, config *Config) bool {
 12203  	b := v.Block
 12204  	_ = b
 12205  	// match: (MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
 12206  	// cond: x.Uses == 1   && clobber(x)
 12207  	// result: (MOVDBRstore [i-4] {s} p w mem)
 12208  	for {
 12209  		i := v.AuxInt
 12210  		s := v.Aux
 12211  		p := v.Args[0]
 12212  		v_1 := v.Args[1]
 12213  		if v_1.Op != OpS390XSRDconst {
 12214  			break
 12215  		}
 12216  		if v_1.AuxInt != 32 {
 12217  			break
 12218  		}
 12219  		w := v_1.Args[0]
 12220  		x := v.Args[2]
 12221  		if x.Op != OpS390XMOVWBRstore {
 12222  			break
 12223  		}
 12224  		if x.AuxInt != i-4 {
 12225  			break
 12226  		}
 12227  		if x.Aux != s {
 12228  			break
 12229  		}
 12230  		if p != x.Args[0] {
 12231  			break
 12232  		}
 12233  		if w != x.Args[1] {
 12234  			break
 12235  		}
 12236  		mem := x.Args[2]
 12237  		if !(x.Uses == 1 && clobber(x)) {
 12238  			break
 12239  		}
 12240  		v.reset(OpS390XMOVDBRstore)
 12241  		v.AuxInt = i - 4
 12242  		v.Aux = s
 12243  		v.AddArg(p)
 12244  		v.AddArg(w)
 12245  		v.AddArg(mem)
 12246  		return true
 12247  	}
 12248  	// match: (MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
 12249  	// cond: x.Uses == 1   && clobber(x)
 12250  	// result: (MOVDBRstore [i-4] {s} p w0 mem)
 12251  	for {
 12252  		i := v.AuxInt
 12253  		s := v.Aux
 12254  		p := v.Args[0]
 12255  		v_1 := v.Args[1]
 12256  		if v_1.Op != OpS390XSRDconst {
 12257  			break
 12258  		}
 12259  		j := v_1.AuxInt
 12260  		w := v_1.Args[0]
 12261  		x := v.Args[2]
 12262  		if x.Op != OpS390XMOVWBRstore {
 12263  			break
 12264  		}
 12265  		if x.AuxInt != i-4 {
 12266  			break
 12267  		}
 12268  		if x.Aux != s {
 12269  			break
 12270  		}
 12271  		if p != x.Args[0] {
 12272  			break
 12273  		}
 12274  		w0 := x.Args[1]
 12275  		if w0.Op != OpS390XSRDconst {
 12276  			break
 12277  		}
 12278  		if w0.AuxInt != j-32 {
 12279  			break
 12280  		}
 12281  		if w != w0.Args[0] {
 12282  			break
 12283  		}
 12284  		mem := x.Args[2]
 12285  		if !(x.Uses == 1 && clobber(x)) {
 12286  			break
 12287  		}
 12288  		v.reset(OpS390XMOVDBRstore)
 12289  		v.AuxInt = i - 4
 12290  		v.Aux = s
 12291  		v.AddArg(p)
 12292  		v.AddArg(w0)
 12293  		v.AddArg(mem)
 12294  		return true
 12295  	}
 12296  	return false
 12297  }
 12298  func rewriteValueS390X_OpS390XMOVWBRstoreidx(v *Value, config *Config) bool {
 12299  	b := v.Block
 12300  	_ = b
 12301  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
 12302  	// cond: x.Uses == 1   && clobber(x)
 12303  	// result: (MOVDBRstoreidx [i-4] {s} p idx w mem)
 12304  	for {
 12305  		i := v.AuxInt
 12306  		s := v.Aux
 12307  		p := v.Args[0]
 12308  		idx := v.Args[1]
 12309  		v_2 := v.Args[2]
 12310  		if v_2.Op != OpS390XSRDconst {
 12311  			break
 12312  		}
 12313  		if v_2.AuxInt != 32 {
 12314  			break
 12315  		}
 12316  		w := v_2.Args[0]
 12317  		x := v.Args[3]
 12318  		if x.Op != OpS390XMOVWBRstoreidx {
 12319  			break
 12320  		}
 12321  		if x.AuxInt != i-4 {
 12322  			break
 12323  		}
 12324  		if x.Aux != s {
 12325  			break
 12326  		}
 12327  		if p != x.Args[0] {
 12328  			break
 12329  		}
 12330  		if idx != x.Args[1] {
 12331  			break
 12332  		}
 12333  		if w != x.Args[2] {
 12334  			break
 12335  		}
 12336  		mem := x.Args[3]
 12337  		if !(x.Uses == 1 && clobber(x)) {
 12338  			break
 12339  		}
 12340  		v.reset(OpS390XMOVDBRstoreidx)
 12341  		v.AuxInt = i - 4
 12342  		v.Aux = s
 12343  		v.AddArg(p)
 12344  		v.AddArg(idx)
 12345  		v.AddArg(w)
 12346  		v.AddArg(mem)
 12347  		return true
 12348  	}
 12349  	// match: (MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
 12350  	// cond: x.Uses == 1   && clobber(x)
 12351  	// result: (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
 12352  	for {
 12353  		i := v.AuxInt
 12354  		s := v.Aux
 12355  		p := v.Args[0]
 12356  		idx := v.Args[1]
 12357  		v_2 := v.Args[2]
 12358  		if v_2.Op != OpS390XSRDconst {
 12359  			break
 12360  		}
 12361  		j := v_2.AuxInt
 12362  		w := v_2.Args[0]
 12363  		x := v.Args[3]
 12364  		if x.Op != OpS390XMOVWBRstoreidx {
 12365  			break
 12366  		}
 12367  		if x.AuxInt != i-4 {
 12368  			break
 12369  		}
 12370  		if x.Aux != s {
 12371  			break
 12372  		}
 12373  		if p != x.Args[0] {
 12374  			break
 12375  		}
 12376  		if idx != x.Args[1] {
 12377  			break
 12378  		}
 12379  		w0 := x.Args[2]
 12380  		if w0.Op != OpS390XSRDconst {
 12381  			break
 12382  		}
 12383  		if w0.AuxInt != j-32 {
 12384  			break
 12385  		}
 12386  		if w != w0.Args[0] {
 12387  			break
 12388  		}
 12389  		mem := x.Args[3]
 12390  		if !(x.Uses == 1 && clobber(x)) {
 12391  			break
 12392  		}
 12393  		v.reset(OpS390XMOVDBRstoreidx)
 12394  		v.AuxInt = i - 4
 12395  		v.Aux = s
 12396  		v.AddArg(p)
 12397  		v.AddArg(idx)
 12398  		v.AddArg(w0)
 12399  		v.AddArg(mem)
 12400  		return true
 12401  	}
 12402  	return false
 12403  }
 12404  func rewriteValueS390X_OpS390XMOVWZload(v *Value, config *Config) bool {
 12405  	b := v.Block
 12406  	_ = b
 12407  	// match: (MOVWZload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
 12408  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 12409  	// result: (MOVWZreg x)
 12410  	for {
 12411  		off := v.AuxInt
 12412  		sym := v.Aux
 12413  		ptr := v.Args[0]
 12414  		v_1 := v.Args[1]
 12415  		if v_1.Op != OpS390XMOVWstore {
 12416  			break
 12417  		}
 12418  		off2 := v_1.AuxInt
 12419  		sym2 := v_1.Aux
 12420  		ptr2 := v_1.Args[0]
 12421  		x := v_1.Args[1]
 12422  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 12423  			break
 12424  		}
 12425  		v.reset(OpS390XMOVWZreg)
 12426  		v.AddArg(x)
 12427  		return true
 12428  	}
 12429  	// match: (MOVWZload  [off1] {sym} (ADDconst [off2] ptr) mem)
 12430  	// cond: is20Bit(off1+off2)
 12431  	// result: (MOVWZload [off1+off2] {sym} ptr mem)
 12432  	for {
 12433  		off1 := v.AuxInt
 12434  		sym := v.Aux
 12435  		v_0 := v.Args[0]
 12436  		if v_0.Op != OpS390XADDconst {
 12437  			break
 12438  		}
 12439  		off2 := v_0.AuxInt
 12440  		ptr := v_0.Args[0]
 12441  		mem := v.Args[1]
 12442  		if !(is20Bit(off1 + off2)) {
 12443  			break
 12444  		}
 12445  		v.reset(OpS390XMOVWZload)
 12446  		v.AuxInt = off1 + off2
 12447  		v.Aux = sym
 12448  		v.AddArg(ptr)
 12449  		v.AddArg(mem)
 12450  		return true
 12451  	}
 12452  	// match: (MOVWZload  [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12453  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12454  	// result: (MOVWZload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12455  	for {
 12456  		off1 := v.AuxInt
 12457  		sym1 := v.Aux
 12458  		v_0 := v.Args[0]
 12459  		if v_0.Op != OpS390XMOVDaddr {
 12460  			break
 12461  		}
 12462  		off2 := v_0.AuxInt
 12463  		sym2 := v_0.Aux
 12464  		base := v_0.Args[0]
 12465  		mem := v.Args[1]
 12466  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12467  			break
 12468  		}
 12469  		v.reset(OpS390XMOVWZload)
 12470  		v.AuxInt = off1 + off2
 12471  		v.Aux = mergeSym(sym1, sym2)
 12472  		v.AddArg(base)
 12473  		v.AddArg(mem)
 12474  		return true
 12475  	}
 12476  	// match: (MOVWZload [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) mem)
 12477  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12478  	// result: (MOVWZloadidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx mem)
 12479  	for {
 12480  		off1 := v.AuxInt
 12481  		sym1 := v.Aux
 12482  		v_0 := v.Args[0]
 12483  		if v_0.Op != OpS390XMOVDaddridx {
 12484  			break
 12485  		}
 12486  		off2 := v_0.AuxInt
 12487  		sym2 := v_0.Aux
 12488  		ptr := v_0.Args[0]
 12489  		idx := v_0.Args[1]
 12490  		mem := v.Args[1]
 12491  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12492  			break
 12493  		}
 12494  		v.reset(OpS390XMOVWZloadidx)
 12495  		v.AuxInt = off1 + off2
 12496  		v.Aux = mergeSym(sym1, sym2)
 12497  		v.AddArg(ptr)
 12498  		v.AddArg(idx)
 12499  		v.AddArg(mem)
 12500  		return true
 12501  	}
 12502  	// match: (MOVWZload [off] {sym} (ADD ptr idx) mem)
 12503  	// cond: ptr.Op != OpSB
 12504  	// result: (MOVWZloadidx [off] {sym} ptr idx mem)
 12505  	for {
 12506  		off := v.AuxInt
 12507  		sym := v.Aux
 12508  		v_0 := v.Args[0]
 12509  		if v_0.Op != OpS390XADD {
 12510  			break
 12511  		}
 12512  		ptr := v_0.Args[0]
 12513  		idx := v_0.Args[1]
 12514  		mem := v.Args[1]
 12515  		if !(ptr.Op != OpSB) {
 12516  			break
 12517  		}
 12518  		v.reset(OpS390XMOVWZloadidx)
 12519  		v.AuxInt = off
 12520  		v.Aux = sym
 12521  		v.AddArg(ptr)
 12522  		v.AddArg(idx)
 12523  		v.AddArg(mem)
 12524  		return true
 12525  	}
 12526  	return false
 12527  }
 12528  func rewriteValueS390X_OpS390XMOVWZloadidx(v *Value, config *Config) bool {
 12529  	b := v.Block
 12530  	_ = b
 12531  	// match: (MOVWZloadidx [c] {sym} (ADDconst [d] ptr) idx mem)
 12532  	// cond:
 12533  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12534  	for {
 12535  		c := v.AuxInt
 12536  		sym := v.Aux
 12537  		v_0 := v.Args[0]
 12538  		if v_0.Op != OpS390XADDconst {
 12539  			break
 12540  		}
 12541  		d := v_0.AuxInt
 12542  		ptr := v_0.Args[0]
 12543  		idx := v.Args[1]
 12544  		mem := v.Args[2]
 12545  		v.reset(OpS390XMOVWZloadidx)
 12546  		v.AuxInt = c + d
 12547  		v.Aux = sym
 12548  		v.AddArg(ptr)
 12549  		v.AddArg(idx)
 12550  		v.AddArg(mem)
 12551  		return true
 12552  	}
 12553  	// match: (MOVWZloadidx [c] {sym} ptr (ADDconst [d] idx) mem)
 12554  	// cond:
 12555  	// result: (MOVWZloadidx [c+d] {sym} ptr idx mem)
 12556  	for {
 12557  		c := v.AuxInt
 12558  		sym := v.Aux
 12559  		ptr := v.Args[0]
 12560  		v_1 := v.Args[1]
 12561  		if v_1.Op != OpS390XADDconst {
 12562  			break
 12563  		}
 12564  		d := v_1.AuxInt
 12565  		idx := v_1.Args[0]
 12566  		mem := v.Args[2]
 12567  		v.reset(OpS390XMOVWZloadidx)
 12568  		v.AuxInt = c + d
 12569  		v.Aux = sym
 12570  		v.AddArg(ptr)
 12571  		v.AddArg(idx)
 12572  		v.AddArg(mem)
 12573  		return true
 12574  	}
 12575  	return false
 12576  }
 12577  func rewriteValueS390X_OpS390XMOVWZreg(v *Value, config *Config) bool {
 12578  	b := v.Block
 12579  	_ = b
 12580  	// match: (MOVWZreg x:(MOVBZload _ _))
 12581  	// cond:
 12582  	// result: (MOVDreg x)
 12583  	for {
 12584  		x := v.Args[0]
 12585  		if x.Op != OpS390XMOVBZload {
 12586  			break
 12587  		}
 12588  		v.reset(OpS390XMOVDreg)
 12589  		v.AddArg(x)
 12590  		return true
 12591  	}
 12592  	// match: (MOVWZreg x:(MOVHZload _ _))
 12593  	// cond:
 12594  	// result: (MOVDreg x)
 12595  	for {
 12596  		x := v.Args[0]
 12597  		if x.Op != OpS390XMOVHZload {
 12598  			break
 12599  		}
 12600  		v.reset(OpS390XMOVDreg)
 12601  		v.AddArg(x)
 12602  		return true
 12603  	}
 12604  	// match: (MOVWZreg x:(MOVWZload _ _))
 12605  	// cond:
 12606  	// result: (MOVDreg x)
 12607  	for {
 12608  		x := v.Args[0]
 12609  		if x.Op != OpS390XMOVWZload {
 12610  			break
 12611  		}
 12612  		v.reset(OpS390XMOVDreg)
 12613  		v.AddArg(x)
 12614  		return true
 12615  	}
 12616  	// match: (MOVWZreg x:(Arg <t>))
 12617  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)
 12618  	// result: (MOVDreg x)
 12619  	for {
 12620  		x := v.Args[0]
 12621  		if x.Op != OpArg {
 12622  			break
 12623  		}
 12624  		t := x.Type
 12625  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && !isSigned(t)) {
 12626  			break
 12627  		}
 12628  		v.reset(OpS390XMOVDreg)
 12629  		v.AddArg(x)
 12630  		return true
 12631  	}
 12632  	// match: (MOVWZreg x:(MOVBZreg _))
 12633  	// cond:
 12634  	// result: (MOVDreg x)
 12635  	for {
 12636  		x := v.Args[0]
 12637  		if x.Op != OpS390XMOVBZreg {
 12638  			break
 12639  		}
 12640  		v.reset(OpS390XMOVDreg)
 12641  		v.AddArg(x)
 12642  		return true
 12643  	}
 12644  	// match: (MOVWZreg x:(MOVHZreg _))
 12645  	// cond:
 12646  	// result: (MOVDreg x)
 12647  	for {
 12648  		x := v.Args[0]
 12649  		if x.Op != OpS390XMOVHZreg {
 12650  			break
 12651  		}
 12652  		v.reset(OpS390XMOVDreg)
 12653  		v.AddArg(x)
 12654  		return true
 12655  	}
 12656  	// match: (MOVWZreg x:(MOVWZreg _))
 12657  	// cond:
 12658  	// result: (MOVDreg x)
 12659  	for {
 12660  		x := v.Args[0]
 12661  		if x.Op != OpS390XMOVWZreg {
 12662  			break
 12663  		}
 12664  		v.reset(OpS390XMOVDreg)
 12665  		v.AddArg(x)
 12666  		return true
 12667  	}
 12668  	// match: (MOVWZreg (MOVDconst [c]))
 12669  	// cond:
 12670  	// result: (MOVDconst [int64(uint32(c))])
 12671  	for {
 12672  		v_0 := v.Args[0]
 12673  		if v_0.Op != OpS390XMOVDconst {
 12674  			break
 12675  		}
 12676  		c := v_0.AuxInt
 12677  		v.reset(OpS390XMOVDconst)
 12678  		v.AuxInt = int64(uint32(c))
 12679  		return true
 12680  	}
 12681  	// match: (MOVWZreg x:(MOVWZload [off] {sym} ptr mem))
 12682  	// cond: x.Uses == 1 && clobber(x)
 12683  	// result: @x.Block (MOVWZload <v.Type> [off] {sym} ptr mem)
 12684  	for {
 12685  		x := v.Args[0]
 12686  		if x.Op != OpS390XMOVWZload {
 12687  			break
 12688  		}
 12689  		off := x.AuxInt
 12690  		sym := x.Aux
 12691  		ptr := x.Args[0]
 12692  		mem := x.Args[1]
 12693  		if !(x.Uses == 1 && clobber(x)) {
 12694  			break
 12695  		}
 12696  		b = x.Block
 12697  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, v.Type)
 12698  		v.reset(OpCopy)
 12699  		v.AddArg(v0)
 12700  		v0.AuxInt = off
 12701  		v0.Aux = sym
 12702  		v0.AddArg(ptr)
 12703  		v0.AddArg(mem)
 12704  		return true
 12705  	}
 12706  	// match: (MOVWZreg x:(MOVWZloadidx [off] {sym} ptr idx mem))
 12707  	// cond: x.Uses == 1 && clobber(x)
 12708  	// result: @x.Block (MOVWZloadidx <v.Type> [off] {sym} ptr idx mem)
 12709  	for {
 12710  		x := v.Args[0]
 12711  		if x.Op != OpS390XMOVWZloadidx {
 12712  			break
 12713  		}
 12714  		off := x.AuxInt
 12715  		sym := x.Aux
 12716  		ptr := x.Args[0]
 12717  		idx := x.Args[1]
 12718  		mem := x.Args[2]
 12719  		if !(x.Uses == 1 && clobber(x)) {
 12720  			break
 12721  		}
 12722  		b = x.Block
 12723  		v0 := b.NewValue0(v.Line, OpS390XMOVWZloadidx, v.Type)
 12724  		v.reset(OpCopy)
 12725  		v.AddArg(v0)
 12726  		v0.AuxInt = off
 12727  		v0.Aux = sym
 12728  		v0.AddArg(ptr)
 12729  		v0.AddArg(idx)
 12730  		v0.AddArg(mem)
 12731  		return true
 12732  	}
 12733  	return false
 12734  }
 12735  func rewriteValueS390X_OpS390XMOVWload(v *Value, config *Config) bool {
 12736  	b := v.Block
 12737  	_ = b
 12738  	// match: (MOVWload   [off1] {sym} (ADDconst [off2] ptr) mem)
 12739  	// cond: is20Bit(off1+off2)
 12740  	// result: (MOVWload  [off1+off2] {sym} ptr mem)
 12741  	for {
 12742  		off1 := v.AuxInt
 12743  		sym := v.Aux
 12744  		v_0 := v.Args[0]
 12745  		if v_0.Op != OpS390XADDconst {
 12746  			break
 12747  		}
 12748  		off2 := v_0.AuxInt
 12749  		ptr := v_0.Args[0]
 12750  		mem := v.Args[1]
 12751  		if !(is20Bit(off1 + off2)) {
 12752  			break
 12753  		}
 12754  		v.reset(OpS390XMOVWload)
 12755  		v.AuxInt = off1 + off2
 12756  		v.Aux = sym
 12757  		v.AddArg(ptr)
 12758  		v.AddArg(mem)
 12759  		return true
 12760  	}
 12761  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} base) mem)
 12762  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 12763  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
 12764  	for {
 12765  		off1 := v.AuxInt
 12766  		sym1 := v.Aux
 12767  		v_0 := v.Args[0]
 12768  		if v_0.Op != OpS390XMOVDaddr {
 12769  			break
 12770  		}
 12771  		off2 := v_0.AuxInt
 12772  		sym2 := v_0.Aux
 12773  		base := v_0.Args[0]
 12774  		mem := v.Args[1]
 12775  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 12776  			break
 12777  		}
 12778  		v.reset(OpS390XMOVWload)
 12779  		v.AuxInt = off1 + off2
 12780  		v.Aux = mergeSym(sym1, sym2)
 12781  		v.AddArg(base)
 12782  		v.AddArg(mem)
 12783  		return true
 12784  	}
 12785  	return false
 12786  }
 12787  func rewriteValueS390X_OpS390XMOVWreg(v *Value, config *Config) bool {
 12788  	b := v.Block
 12789  	_ = b
 12790  	// match: (MOVWreg x:(MOVBload _ _))
 12791  	// cond:
 12792  	// result: (MOVDreg x)
 12793  	for {
 12794  		x := v.Args[0]
 12795  		if x.Op != OpS390XMOVBload {
 12796  			break
 12797  		}
 12798  		v.reset(OpS390XMOVDreg)
 12799  		v.AddArg(x)
 12800  		return true
 12801  	}
 12802  	// match: (MOVWreg x:(MOVBZload _ _))
 12803  	// cond:
 12804  	// result: (MOVDreg x)
 12805  	for {
 12806  		x := v.Args[0]
 12807  		if x.Op != OpS390XMOVBZload {
 12808  			break
 12809  		}
 12810  		v.reset(OpS390XMOVDreg)
 12811  		v.AddArg(x)
 12812  		return true
 12813  	}
 12814  	// match: (MOVWreg x:(MOVHload _ _))
 12815  	// cond:
 12816  	// result: (MOVDreg x)
 12817  	for {
 12818  		x := v.Args[0]
 12819  		if x.Op != OpS390XMOVHload {
 12820  			break
 12821  		}
 12822  		v.reset(OpS390XMOVDreg)
 12823  		v.AddArg(x)
 12824  		return true
 12825  	}
 12826  	// match: (MOVWreg x:(MOVHZload _ _))
 12827  	// cond:
 12828  	// result: (MOVDreg x)
 12829  	for {
 12830  		x := v.Args[0]
 12831  		if x.Op != OpS390XMOVHZload {
 12832  			break
 12833  		}
 12834  		v.reset(OpS390XMOVDreg)
 12835  		v.AddArg(x)
 12836  		return true
 12837  	}
 12838  	// match: (MOVWreg x:(MOVWload _ _))
 12839  	// cond:
 12840  	// result: (MOVDreg x)
 12841  	for {
 12842  		x := v.Args[0]
 12843  		if x.Op != OpS390XMOVWload {
 12844  			break
 12845  		}
 12846  		v.reset(OpS390XMOVDreg)
 12847  		v.AddArg(x)
 12848  		return true
 12849  	}
 12850  	// match: (MOVWreg x:(Arg <t>))
 12851  	// cond: (is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)
 12852  	// result: (MOVDreg x)
 12853  	for {
 12854  		x := v.Args[0]
 12855  		if x.Op != OpArg {
 12856  			break
 12857  		}
 12858  		t := x.Type
 12859  		if !((is8BitInt(t) || is16BitInt(t) || is32BitInt(t)) && isSigned(t)) {
 12860  			break
 12861  		}
 12862  		v.reset(OpS390XMOVDreg)
 12863  		v.AddArg(x)
 12864  		return true
 12865  	}
 12866  	// match: (MOVWreg x:(MOVBreg _))
 12867  	// cond:
 12868  	// result: (MOVDreg x)
 12869  	for {
 12870  		x := v.Args[0]
 12871  		if x.Op != OpS390XMOVBreg {
 12872  			break
 12873  		}
 12874  		v.reset(OpS390XMOVDreg)
 12875  		v.AddArg(x)
 12876  		return true
 12877  	}
 12878  	// match: (MOVWreg x:(MOVBZreg _))
 12879  	// cond:
 12880  	// result: (MOVDreg x)
 12881  	for {
 12882  		x := v.Args[0]
 12883  		if x.Op != OpS390XMOVBZreg {
 12884  			break
 12885  		}
 12886  		v.reset(OpS390XMOVDreg)
 12887  		v.AddArg(x)
 12888  		return true
 12889  	}
 12890  	// match: (MOVWreg x:(MOVHreg _))
 12891  	// cond:
 12892  	// result: (MOVDreg x)
 12893  	for {
 12894  		x := v.Args[0]
 12895  		if x.Op != OpS390XMOVHreg {
 12896  			break
 12897  		}
 12898  		v.reset(OpS390XMOVDreg)
 12899  		v.AddArg(x)
 12900  		return true
 12901  	}
 12902  	// match: (MOVWreg x:(MOVHreg _))
 12903  	// cond:
 12904  	// result: (MOVDreg x)
 12905  	for {
 12906  		x := v.Args[0]
 12907  		if x.Op != OpS390XMOVHreg {
 12908  			break
 12909  		}
 12910  		v.reset(OpS390XMOVDreg)
 12911  		v.AddArg(x)
 12912  		return true
 12913  	}
 12914  	// match: (MOVWreg x:(MOVWreg _))
 12915  	// cond:
 12916  	// result: (MOVDreg x)
 12917  	for {
 12918  		x := v.Args[0]
 12919  		if x.Op != OpS390XMOVWreg {
 12920  			break
 12921  		}
 12922  		v.reset(OpS390XMOVDreg)
 12923  		v.AddArg(x)
 12924  		return true
 12925  	}
 12926  	// match: (MOVWreg (MOVDconst [c]))
 12927  	// cond:
 12928  	// result: (MOVDconst [int64(int32(c))])
 12929  	for {
 12930  		v_0 := v.Args[0]
 12931  		if v_0.Op != OpS390XMOVDconst {
 12932  			break
 12933  		}
 12934  		c := v_0.AuxInt
 12935  		v.reset(OpS390XMOVDconst)
 12936  		v.AuxInt = int64(int32(c))
 12937  		return true
 12938  	}
 12939  	// match: (MOVWreg x:(MOVWZload [off] {sym} ptr mem))
 12940  	// cond: x.Uses == 1 && clobber(x)
 12941  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
 12942  	for {
 12943  		x := v.Args[0]
 12944  		if x.Op != OpS390XMOVWZload {
 12945  			break
 12946  		}
 12947  		off := x.AuxInt
 12948  		sym := x.Aux
 12949  		ptr := x.Args[0]
 12950  		mem := x.Args[1]
 12951  		if !(x.Uses == 1 && clobber(x)) {
 12952  			break
 12953  		}
 12954  		b = x.Block
 12955  		v0 := b.NewValue0(v.Line, OpS390XMOVWload, v.Type)
 12956  		v.reset(OpCopy)
 12957  		v.AddArg(v0)
 12958  		v0.AuxInt = off
 12959  		v0.Aux = sym
 12960  		v0.AddArg(ptr)
 12961  		v0.AddArg(mem)
 12962  		return true
 12963  	}
 12964  	return false
 12965  }
 12966  func rewriteValueS390X_OpS390XMOVWstore(v *Value, config *Config) bool {
 12967  	b := v.Block
 12968  	_ = b
 12969  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12970  	// cond:
 12971  	// result: (MOVWstore [off] {sym} ptr x mem)
 12972  	for {
 12973  		off := v.AuxInt
 12974  		sym := v.Aux
 12975  		ptr := v.Args[0]
 12976  		v_1 := v.Args[1]
 12977  		if v_1.Op != OpS390XMOVWreg {
 12978  			break
 12979  		}
 12980  		x := v_1.Args[0]
 12981  		mem := v.Args[2]
 12982  		v.reset(OpS390XMOVWstore)
 12983  		v.AuxInt = off
 12984  		v.Aux = sym
 12985  		v.AddArg(ptr)
 12986  		v.AddArg(x)
 12987  		v.AddArg(mem)
 12988  		return true
 12989  	}
 12990  	// match: (MOVWstore [off] {sym} ptr (MOVWZreg x) mem)
 12991  	// cond:
 12992  	// result: (MOVWstore [off] {sym} ptr x mem)
 12993  	for {
 12994  		off := v.AuxInt
 12995  		sym := v.Aux
 12996  		ptr := v.Args[0]
 12997  		v_1 := v.Args[1]
 12998  		if v_1.Op != OpS390XMOVWZreg {
 12999  			break
 13000  		}
 13001  		x := v_1.Args[0]
 13002  		mem := v.Args[2]
 13003  		v.reset(OpS390XMOVWstore)
 13004  		v.AuxInt = off
 13005  		v.Aux = sym
 13006  		v.AddArg(ptr)
 13007  		v.AddArg(x)
 13008  		v.AddArg(mem)
 13009  		return true
 13010  	}
 13011  	// match: (MOVWstore  [off1] {sym} (ADDconst [off2] ptr) val mem)
 13012  	// cond: is20Bit(off1+off2)
 13013  	// result: (MOVWstore  [off1+off2] {sym} ptr val mem)
 13014  	for {
 13015  		off1 := v.AuxInt
 13016  		sym := v.Aux
 13017  		v_0 := v.Args[0]
 13018  		if v_0.Op != OpS390XADDconst {
 13019  			break
 13020  		}
 13021  		off2 := v_0.AuxInt
 13022  		ptr := v_0.Args[0]
 13023  		val := v.Args[1]
 13024  		mem := v.Args[2]
 13025  		if !(is20Bit(off1 + off2)) {
 13026  			break
 13027  		}
 13028  		v.reset(OpS390XMOVWstore)
 13029  		v.AuxInt = off1 + off2
 13030  		v.Aux = sym
 13031  		v.AddArg(ptr)
 13032  		v.AddArg(val)
 13033  		v.AddArg(mem)
 13034  		return true
 13035  	}
 13036  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [c]) mem)
 13037  	// cond: validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB
 13038  	// result: (MOVWstoreconst [makeValAndOff(int64(int32(c)),off)] {sym} ptr mem)
 13039  	for {
 13040  		off := v.AuxInt
 13041  		sym := v.Aux
 13042  		ptr := v.Args[0]
 13043  		v_1 := v.Args[1]
 13044  		if v_1.Op != OpS390XMOVDconst {
 13045  			break
 13046  		}
 13047  		c := v_1.AuxInt
 13048  		mem := v.Args[2]
 13049  		if !(validOff(off) && int64(int16(c)) == c && ptr.Op != OpSB) {
 13050  			break
 13051  		}
 13052  		v.reset(OpS390XMOVWstoreconst)
 13053  		v.AuxInt = makeValAndOff(int64(int32(c)), off)
 13054  		v.Aux = sym
 13055  		v.AddArg(ptr)
 13056  		v.AddArg(mem)
 13057  		return true
 13058  	}
 13059  	// match: (MOVWstore  [off1] {sym1} (MOVDaddr [off2] {sym2} base) val mem)
 13060  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13061  	// result: (MOVWstore  [off1+off2] {mergeSym(sym1,sym2)} base val mem)
 13062  	for {
 13063  		off1 := v.AuxInt
 13064  		sym1 := v.Aux
 13065  		v_0 := v.Args[0]
 13066  		if v_0.Op != OpS390XMOVDaddr {
 13067  			break
 13068  		}
 13069  		off2 := v_0.AuxInt
 13070  		sym2 := v_0.Aux
 13071  		base := v_0.Args[0]
 13072  		val := v.Args[1]
 13073  		mem := v.Args[2]
 13074  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13075  			break
 13076  		}
 13077  		v.reset(OpS390XMOVWstore)
 13078  		v.AuxInt = off1 + off2
 13079  		v.Aux = mergeSym(sym1, sym2)
 13080  		v.AddArg(base)
 13081  		v.AddArg(val)
 13082  		v.AddArg(mem)
 13083  		return true
 13084  	}
 13085  	// match: (MOVWstore [off1] {sym1} (MOVDaddridx [off2] {sym2} ptr idx) val mem)
 13086  	// cond: is32Bit(off1+off2) && canMergeSym(sym1, sym2)
 13087  	// result: (MOVWstoreidx [off1+off2] {mergeSym(sym1,sym2)} ptr idx val mem)
 13088  	for {
 13089  		off1 := v.AuxInt
 13090  		sym1 := v.Aux
 13091  		v_0 := v.Args[0]
 13092  		if v_0.Op != OpS390XMOVDaddridx {
 13093  			break
 13094  		}
 13095  		off2 := v_0.AuxInt
 13096  		sym2 := v_0.Aux
 13097  		ptr := v_0.Args[0]
 13098  		idx := v_0.Args[1]
 13099  		val := v.Args[1]
 13100  		mem := v.Args[2]
 13101  		if !(is32Bit(off1+off2) && canMergeSym(sym1, sym2)) {
 13102  			break
 13103  		}
 13104  		v.reset(OpS390XMOVWstoreidx)
 13105  		v.AuxInt = off1 + off2
 13106  		v.Aux = mergeSym(sym1, sym2)
 13107  		v.AddArg(ptr)
 13108  		v.AddArg(idx)
 13109  		v.AddArg(val)
 13110  		v.AddArg(mem)
 13111  		return true
 13112  	}
 13113  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 13114  	// cond: ptr.Op != OpSB
 13115  	// result: (MOVWstoreidx [off] {sym} ptr idx val mem)
 13116  	for {
 13117  		off := v.AuxInt
 13118  		sym := v.Aux
 13119  		v_0 := v.Args[0]
 13120  		if v_0.Op != OpS390XADD {
 13121  			break
 13122  		}
 13123  		ptr := v_0.Args[0]
 13124  		idx := v_0.Args[1]
 13125  		val := v.Args[1]
 13126  		mem := v.Args[2]
 13127  		if !(ptr.Op != OpSB) {
 13128  			break
 13129  		}
 13130  		v.reset(OpS390XMOVWstoreidx)
 13131  		v.AuxInt = off
 13132  		v.Aux = sym
 13133  		v.AddArg(ptr)
 13134  		v.AddArg(idx)
 13135  		v.AddArg(val)
 13136  		v.AddArg(mem)
 13137  		return true
 13138  	}
 13139  	// match: (MOVWstore [i] {s} p (SRDconst [32] w) x:(MOVWstore [i-4] {s} p w mem))
 13140  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13141  	// result: (MOVDstore [i-4] {s} p w mem)
 13142  	for {
 13143  		i := v.AuxInt
 13144  		s := v.Aux
 13145  		p := v.Args[0]
 13146  		v_1 := v.Args[1]
 13147  		if v_1.Op != OpS390XSRDconst {
 13148  			break
 13149  		}
 13150  		if v_1.AuxInt != 32 {
 13151  			break
 13152  		}
 13153  		w := v_1.Args[0]
 13154  		x := v.Args[2]
 13155  		if x.Op != OpS390XMOVWstore {
 13156  			break
 13157  		}
 13158  		if x.AuxInt != i-4 {
 13159  			break
 13160  		}
 13161  		if x.Aux != s {
 13162  			break
 13163  		}
 13164  		if p != x.Args[0] {
 13165  			break
 13166  		}
 13167  		if w != x.Args[1] {
 13168  			break
 13169  		}
 13170  		mem := x.Args[2]
 13171  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13172  			break
 13173  		}
 13174  		v.reset(OpS390XMOVDstore)
 13175  		v.AuxInt = i - 4
 13176  		v.Aux = s
 13177  		v.AddArg(p)
 13178  		v.AddArg(w)
 13179  		v.AddArg(mem)
 13180  		return true
 13181  	}
 13182  	// match: (MOVWstore [i] {s} p w0:(SRDconst [j] w) x:(MOVWstore [i-4] {s} p (SRDconst [j+32] w) mem))
 13183  	// cond: p.Op != OpSB   && x.Uses == 1   && clobber(x)
 13184  	// result: (MOVDstore [i-4] {s} p w0 mem)
 13185  	for {
 13186  		i := v.AuxInt
 13187  		s := v.Aux
 13188  		p := v.Args[0]
 13189  		w0 := v.Args[1]
 13190  		if w0.Op != OpS390XSRDconst {
 13191  			break
 13192  		}
 13193  		j := w0.AuxInt
 13194  		w := w0.Args[0]
 13195  		x := v.Args[2]
 13196  		if x.Op != OpS390XMOVWstore {
 13197  			break
 13198  		}
 13199  		if x.AuxInt != i-4 {
 13200  			break
 13201  		}
 13202  		if x.Aux != s {
 13203  			break
 13204  		}
 13205  		if p != x.Args[0] {
 13206  			break
 13207  		}
 13208  		x_1 := x.Args[1]
 13209  		if x_1.Op != OpS390XSRDconst {
 13210  			break
 13211  		}
 13212  		if x_1.AuxInt != j+32 {
 13213  			break
 13214  		}
 13215  		if w != x_1.Args[0] {
 13216  			break
 13217  		}
 13218  		mem := x.Args[2]
 13219  		if !(p.Op != OpSB && x.Uses == 1 && clobber(x)) {
 13220  			break
 13221  		}
 13222  		v.reset(OpS390XMOVDstore)
 13223  		v.AuxInt = i - 4
 13224  		v.Aux = s
 13225  		v.AddArg(p)
 13226  		v.AddArg(w0)
 13227  		v.AddArg(mem)
 13228  		return true
 13229  	}
 13230  	// match: (MOVWstore [i] {s} p w1 x:(MOVWstore [i-4] {s} p w0 mem))
 13231  	// cond: p.Op != OpSB   && x.Uses == 1   && is20Bit(i-4)   && clobber(x)
 13232  	// result: (STM2 [i-4] {s} p w0 w1 mem)
 13233  	for {
 13234  		i := v.AuxInt
 13235  		s := v.Aux
 13236  		p := v.Args[0]
 13237  		w1 := v.Args[1]
 13238  		x := v.Args[2]
 13239  		if x.Op != OpS390XMOVWstore {
 13240  			break
 13241  		}
 13242  		if x.AuxInt != i-4 {
 13243  			break
 13244  		}
 13245  		if x.Aux != s {
 13246  			break
 13247  		}
 13248  		if p != x.Args[0] {
 13249  			break
 13250  		}
 13251  		w0 := x.Args[1]
 13252  		mem := x.Args[2]
 13253  		if !(p.Op != OpSB && x.Uses == 1 && is20Bit(i-4) && clobber(x)) {
 13254  			break
 13255  		}
 13256  		v.reset(OpS390XSTM2)
 13257  		v.AuxInt = i - 4
 13258  		v.Aux = s
 13259  		v.AddArg(p)
 13260  		v.AddArg(w0)
 13261  		v.AddArg(w1)
 13262  		v.AddArg(mem)
 13263  		return true
 13264  	}
 13265  	// match: (MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
 13266  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 13267  	// result: (STM3 [i-8] {s} p w0 w1 w2 mem)
 13268  	for {
 13269  		i := v.AuxInt
 13270  		s := v.Aux
 13271  		p := v.Args[0]
 13272  		w2 := v.Args[1]
 13273  		x := v.Args[2]
 13274  		if x.Op != OpS390XSTM2 {
 13275  			break
 13276  		}
 13277  		if x.AuxInt != i-8 {
 13278  			break
 13279  		}
 13280  		if x.Aux != s {
 13281  			break
 13282  		}
 13283  		if p != x.Args[0] {
 13284  			break
 13285  		}
 13286  		w0 := x.Args[1]
 13287  		w1 := x.Args[2]
 13288  		mem := x.Args[3]
 13289  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 13290  			break
 13291  		}
 13292  		v.reset(OpS390XSTM3)
 13293  		v.AuxInt = i - 8
 13294  		v.Aux = s
 13295  		v.AddArg(p)
 13296  		v.AddArg(w0)
 13297  		v.AddArg(w1)
 13298  		v.AddArg(w2)
 13299  		v.AddArg(mem)
 13300  		return true
 13301  	}
 13302  	// match: (MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
 13303  	// cond: x.Uses == 1   && is20Bit(i-12)   && clobber(x)
 13304  	// result: (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
 13305  	for {
 13306  		i := v.AuxInt
 13307  		s := v.Aux
 13308  		p := v.Args[0]
 13309  		w3 := v.Args[1]
 13310  		x := v.Args[2]
 13311  		if x.Op != OpS390XSTM3 {
 13312  			break
 13313  		}
 13314  		if x.AuxInt != i-12 {
 13315  			break
 13316  		}
 13317  		if x.Aux != s {
 13318  			break
 13319  		}
 13320  		if p != x.Args[0] {
 13321  			break
 13322  		}
 13323  		w0 := x.Args[1]
 13324  		w1 := x.Args[2]
 13325  		w2 := x.Args[3]
 13326  		mem := x.Args[4]
 13327  		if !(x.Uses == 1 && is20Bit(i-12) && clobber(x)) {
 13328  			break
 13329  		}
 13330  		v.reset(OpS390XSTM4)
 13331  		v.AuxInt = i - 12
 13332  		v.Aux = s
 13333  		v.AddArg(p)
 13334  		v.AddArg(w0)
 13335  		v.AddArg(w1)
 13336  		v.AddArg(w2)
 13337  		v.AddArg(w3)
 13338  		v.AddArg(mem)
 13339  		return true
 13340  	}
 13341  	return false
 13342  }
 13343  func rewriteValueS390X_OpS390XMOVWstoreconst(v *Value, config *Config) bool {
 13344  	b := v.Block
 13345  	_ = b
 13346  	// match: (MOVWstoreconst [sc] {s} (ADDconst [off] ptr) mem)
 13347  	// cond: ValAndOff(sc).canAdd(off)
 13348  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {s} ptr mem)
 13349  	for {
 13350  		sc := v.AuxInt
 13351  		s := v.Aux
 13352  		v_0 := v.Args[0]
 13353  		if v_0.Op != OpS390XADDconst {
 13354  			break
 13355  		}
 13356  		off := v_0.AuxInt
 13357  		ptr := v_0.Args[0]
 13358  		mem := v.Args[1]
 13359  		if !(ValAndOff(sc).canAdd(off)) {
 13360  			break
 13361  		}
 13362  		v.reset(OpS390XMOVWstoreconst)
 13363  		v.AuxInt = ValAndOff(sc).add(off)
 13364  		v.Aux = s
 13365  		v.AddArg(ptr)
 13366  		v.AddArg(mem)
 13367  		return true
 13368  	}
 13369  	// match: (MOVWstoreconst [sc] {sym1} (MOVDaddr [off] {sym2} ptr) mem)
 13370  	// cond: canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)
 13371  	// result: (MOVWstoreconst [ValAndOff(sc).add(off)] {mergeSym(sym1, sym2)} ptr mem)
 13372  	for {
 13373  		sc := v.AuxInt
 13374  		sym1 := v.Aux
 13375  		v_0 := v.Args[0]
 13376  		if v_0.Op != OpS390XMOVDaddr {
 13377  			break
 13378  		}
 13379  		off := v_0.AuxInt
 13380  		sym2 := v_0.Aux
 13381  		ptr := v_0.Args[0]
 13382  		mem := v.Args[1]
 13383  		if !(canMergeSym(sym1, sym2) && ValAndOff(sc).canAdd(off)) {
 13384  			break
 13385  		}
 13386  		v.reset(OpS390XMOVWstoreconst)
 13387  		v.AuxInt = ValAndOff(sc).add(off)
 13388  		v.Aux = mergeSym(sym1, sym2)
 13389  		v.AddArg(ptr)
 13390  		v.AddArg(mem)
 13391  		return true
 13392  	}
 13393  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
 13394  	// cond: p.Op != OpSB   && x.Uses == 1   && ValAndOff(a).Off() + 4 == ValAndOff(c).Off()   && clobber(x)
 13395  	// result: (MOVDstore [ValAndOff(a).Off()] {s} p (MOVDconst [ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32]) mem)
 13396  	for {
 13397  		c := v.AuxInt
 13398  		s := v.Aux
 13399  		p := v.Args[0]
 13400  		x := v.Args[1]
 13401  		if x.Op != OpS390XMOVWstoreconst {
 13402  			break
 13403  		}
 13404  		a := x.AuxInt
 13405  		if x.Aux != s {
 13406  			break
 13407  		}
 13408  		if p != x.Args[0] {
 13409  			break
 13410  		}
 13411  		mem := x.Args[1]
 13412  		if !(p.Op != OpSB && x.Uses == 1 && ValAndOff(a).Off()+4 == ValAndOff(c).Off() && clobber(x)) {
 13413  			break
 13414  		}
 13415  		v.reset(OpS390XMOVDstore)
 13416  		v.AuxInt = ValAndOff(a).Off()
 13417  		v.Aux = s
 13418  		v.AddArg(p)
 13419  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 13420  		v0.AuxInt = ValAndOff(c).Val()&0xffffffff | ValAndOff(a).Val()<<32
 13421  		v.AddArg(v0)
 13422  		v.AddArg(mem)
 13423  		return true
 13424  	}
 13425  	return false
 13426  }
 13427  func rewriteValueS390X_OpS390XMOVWstoreidx(v *Value, config *Config) bool {
 13428  	b := v.Block
 13429  	_ = b
 13430  	// match: (MOVWstoreidx [c] {sym} (ADDconst [d] ptr) idx val mem)
 13431  	// cond:
 13432  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13433  	for {
 13434  		c := v.AuxInt
 13435  		sym := v.Aux
 13436  		v_0 := v.Args[0]
 13437  		if v_0.Op != OpS390XADDconst {
 13438  			break
 13439  		}
 13440  		d := v_0.AuxInt
 13441  		ptr := v_0.Args[0]
 13442  		idx := v.Args[1]
 13443  		val := v.Args[2]
 13444  		mem := v.Args[3]
 13445  		v.reset(OpS390XMOVWstoreidx)
 13446  		v.AuxInt = c + d
 13447  		v.Aux = sym
 13448  		v.AddArg(ptr)
 13449  		v.AddArg(idx)
 13450  		v.AddArg(val)
 13451  		v.AddArg(mem)
 13452  		return true
 13453  	}
 13454  	// match: (MOVWstoreidx [c] {sym} ptr (ADDconst [d] idx) val mem)
 13455  	// cond:
 13456  	// result: (MOVWstoreidx [c+d] {sym} ptr idx val mem)
 13457  	for {
 13458  		c := v.AuxInt
 13459  		sym := v.Aux
 13460  		ptr := v.Args[0]
 13461  		v_1 := v.Args[1]
 13462  		if v_1.Op != OpS390XADDconst {
 13463  			break
 13464  		}
 13465  		d := v_1.AuxInt
 13466  		idx := v_1.Args[0]
 13467  		val := v.Args[2]
 13468  		mem := v.Args[3]
 13469  		v.reset(OpS390XMOVWstoreidx)
 13470  		v.AuxInt = c + d
 13471  		v.Aux = sym
 13472  		v.AddArg(ptr)
 13473  		v.AddArg(idx)
 13474  		v.AddArg(val)
 13475  		v.AddArg(mem)
 13476  		return true
 13477  	}
 13478  	// match: (MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
 13479  	// cond: x.Uses == 1   && clobber(x)
 13480  	// result: (MOVDstoreidx [i-4] {s} p idx w mem)
 13481  	for {
 13482  		i := v.AuxInt
 13483  		s := v.Aux
 13484  		p := v.Args[0]
 13485  		idx := v.Args[1]
 13486  		w := v.Args[2]
 13487  		x := v.Args[3]
 13488  		if x.Op != OpS390XMOVWstoreidx {
 13489  			break
 13490  		}
 13491  		if x.AuxInt != i-4 {
 13492  			break
 13493  		}
 13494  		if x.Aux != s {
 13495  			break
 13496  		}
 13497  		if p != x.Args[0] {
 13498  			break
 13499  		}
 13500  		if idx != x.Args[1] {
 13501  			break
 13502  		}
 13503  		x_2 := x.Args[2]
 13504  		if x_2.Op != OpS390XSRDconst {
 13505  			break
 13506  		}
 13507  		if x_2.AuxInt != 32 {
 13508  			break
 13509  		}
 13510  		if w != x_2.Args[0] {
 13511  			break
 13512  		}
 13513  		mem := x.Args[3]
 13514  		if !(x.Uses == 1 && clobber(x)) {
 13515  			break
 13516  		}
 13517  		v.reset(OpS390XMOVDstoreidx)
 13518  		v.AuxInt = i - 4
 13519  		v.Aux = s
 13520  		v.AddArg(p)
 13521  		v.AddArg(idx)
 13522  		v.AddArg(w)
 13523  		v.AddArg(mem)
 13524  		return true
 13525  	}
 13526  	// match: (MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
 13527  	// cond: x.Uses == 1   && clobber(x)
 13528  	// result: (MOVDstoreidx [i-4] {s} p idx w0 mem)
 13529  	for {
 13530  		i := v.AuxInt
 13531  		s := v.Aux
 13532  		p := v.Args[0]
 13533  		idx := v.Args[1]
 13534  		w0 := v.Args[2]
 13535  		if w0.Op != OpS390XSRDconst {
 13536  			break
 13537  		}
 13538  		j := w0.AuxInt
 13539  		w := w0.Args[0]
 13540  		x := v.Args[3]
 13541  		if x.Op != OpS390XMOVWstoreidx {
 13542  			break
 13543  		}
 13544  		if x.AuxInt != i-4 {
 13545  			break
 13546  		}
 13547  		if x.Aux != s {
 13548  			break
 13549  		}
 13550  		if p != x.Args[0] {
 13551  			break
 13552  		}
 13553  		if idx != x.Args[1] {
 13554  			break
 13555  		}
 13556  		x_2 := x.Args[2]
 13557  		if x_2.Op != OpS390XSRDconst {
 13558  			break
 13559  		}
 13560  		if x_2.AuxInt != j+32 {
 13561  			break
 13562  		}
 13563  		if w != x_2.Args[0] {
 13564  			break
 13565  		}
 13566  		mem := x.Args[3]
 13567  		if !(x.Uses == 1 && clobber(x)) {
 13568  			break
 13569  		}
 13570  		v.reset(OpS390XMOVDstoreidx)
 13571  		v.AuxInt = i - 4
 13572  		v.Aux = s
 13573  		v.AddArg(p)
 13574  		v.AddArg(idx)
 13575  		v.AddArg(w0)
 13576  		v.AddArg(mem)
 13577  		return true
 13578  	}
 13579  	return false
 13580  }
 13581  func rewriteValueS390X_OpS390XMULLD(v *Value, config *Config) bool {
 13582  	b := v.Block
 13583  	_ = b
 13584  	// match: (MULLD x (MOVDconst [c]))
 13585  	// cond: is32Bit(c)
 13586  	// result: (MULLDconst [c] x)
 13587  	for {
 13588  		x := v.Args[0]
 13589  		v_1 := v.Args[1]
 13590  		if v_1.Op != OpS390XMOVDconst {
 13591  			break
 13592  		}
 13593  		c := v_1.AuxInt
 13594  		if !(is32Bit(c)) {
 13595  			break
 13596  		}
 13597  		v.reset(OpS390XMULLDconst)
 13598  		v.AuxInt = c
 13599  		v.AddArg(x)
 13600  		return true
 13601  	}
 13602  	// match: (MULLD (MOVDconst [c]) x)
 13603  	// cond: is32Bit(c)
 13604  	// result: (MULLDconst [c] x)
 13605  	for {
 13606  		v_0 := v.Args[0]
 13607  		if v_0.Op != OpS390XMOVDconst {
 13608  			break
 13609  		}
 13610  		c := v_0.AuxInt
 13611  		x := v.Args[1]
 13612  		if !(is32Bit(c)) {
 13613  			break
 13614  		}
 13615  		v.reset(OpS390XMULLDconst)
 13616  		v.AuxInt = c
 13617  		v.AddArg(x)
 13618  		return true
 13619  	}
 13620  	// match: (MULLD <t> x g:(MOVDload [off] {sym} ptr mem))
 13621  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13622  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13623  	for {
 13624  		t := v.Type
 13625  		x := v.Args[0]
 13626  		g := v.Args[1]
 13627  		if g.Op != OpS390XMOVDload {
 13628  			break
 13629  		}
 13630  		off := g.AuxInt
 13631  		sym := g.Aux
 13632  		ptr := g.Args[0]
 13633  		mem := g.Args[1]
 13634  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13635  			break
 13636  		}
 13637  		v.reset(OpS390XMULLDload)
 13638  		v.Type = t
 13639  		v.AuxInt = off
 13640  		v.Aux = sym
 13641  		v.AddArg(x)
 13642  		v.AddArg(ptr)
 13643  		v.AddArg(mem)
 13644  		return true
 13645  	}
 13646  	// match: (MULLD <t> g:(MOVDload [off] {sym} ptr mem) x)
 13647  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13648  	// result: (MULLDload <t> [off] {sym} x ptr mem)
 13649  	for {
 13650  		t := v.Type
 13651  		g := v.Args[0]
 13652  		if g.Op != OpS390XMOVDload {
 13653  			break
 13654  		}
 13655  		off := g.AuxInt
 13656  		sym := g.Aux
 13657  		ptr := g.Args[0]
 13658  		mem := g.Args[1]
 13659  		x := v.Args[1]
 13660  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13661  			break
 13662  		}
 13663  		v.reset(OpS390XMULLDload)
 13664  		v.Type = t
 13665  		v.AuxInt = off
 13666  		v.Aux = sym
 13667  		v.AddArg(x)
 13668  		v.AddArg(ptr)
 13669  		v.AddArg(mem)
 13670  		return true
 13671  	}
 13672  	return false
 13673  }
 13674  func rewriteValueS390X_OpS390XMULLDconst(v *Value, config *Config) bool {
 13675  	b := v.Block
 13676  	_ = b
 13677  	// match: (MULLDconst [-1] x)
 13678  	// cond:
 13679  	// result: (NEG x)
 13680  	for {
 13681  		if v.AuxInt != -1 {
 13682  			break
 13683  		}
 13684  		x := v.Args[0]
 13685  		v.reset(OpS390XNEG)
 13686  		v.AddArg(x)
 13687  		return true
 13688  	}
 13689  	// match: (MULLDconst [0] _)
 13690  	// cond:
 13691  	// result: (MOVDconst [0])
 13692  	for {
 13693  		if v.AuxInt != 0 {
 13694  			break
 13695  		}
 13696  		v.reset(OpS390XMOVDconst)
 13697  		v.AuxInt = 0
 13698  		return true
 13699  	}
 13700  	// match: (MULLDconst [1] x)
 13701  	// cond:
 13702  	// result: x
 13703  	for {
 13704  		if v.AuxInt != 1 {
 13705  			break
 13706  		}
 13707  		x := v.Args[0]
 13708  		v.reset(OpCopy)
 13709  		v.Type = x.Type
 13710  		v.AddArg(x)
 13711  		return true
 13712  	}
 13713  	// match: (MULLDconst [c] x)
 13714  	// cond: isPowerOfTwo(c)
 13715  	// result: (SLDconst [log2(c)] x)
 13716  	for {
 13717  		c := v.AuxInt
 13718  		x := v.Args[0]
 13719  		if !(isPowerOfTwo(c)) {
 13720  			break
 13721  		}
 13722  		v.reset(OpS390XSLDconst)
 13723  		v.AuxInt = log2(c)
 13724  		v.AddArg(x)
 13725  		return true
 13726  	}
 13727  	// match: (MULLDconst [c] x)
 13728  	// cond: isPowerOfTwo(c+1) && c >= 15
 13729  	// result: (SUB (SLDconst <v.Type> [log2(c+1)] x) x)
 13730  	for {
 13731  		c := v.AuxInt
 13732  		x := v.Args[0]
 13733  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13734  			break
 13735  		}
 13736  		v.reset(OpS390XSUB)
 13737  		v0 := b.NewValue0(v.Line, OpS390XSLDconst, v.Type)
 13738  		v0.AuxInt = log2(c + 1)
 13739  		v0.AddArg(x)
 13740  		v.AddArg(v0)
 13741  		v.AddArg(x)
 13742  		return true
 13743  	}
 13744  	// match: (MULLDconst [c] x)
 13745  	// cond: isPowerOfTwo(c-1) && c >= 17
 13746  	// result: (ADD (SLDconst <v.Type> [log2(c-1)] x) x)
 13747  	for {
 13748  		c := v.AuxInt
 13749  		x := v.Args[0]
 13750  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13751  			break
 13752  		}
 13753  		v.reset(OpS390XADD)
 13754  		v0 := b.NewValue0(v.Line, OpS390XSLDconst, v.Type)
 13755  		v0.AuxInt = log2(c - 1)
 13756  		v0.AddArg(x)
 13757  		v.AddArg(v0)
 13758  		v.AddArg(x)
 13759  		return true
 13760  	}
 13761  	// match: (MULLDconst [c] (MOVDconst [d]))
 13762  	// cond:
 13763  	// result: (MOVDconst [c*d])
 13764  	for {
 13765  		c := v.AuxInt
 13766  		v_0 := v.Args[0]
 13767  		if v_0.Op != OpS390XMOVDconst {
 13768  			break
 13769  		}
 13770  		d := v_0.AuxInt
 13771  		v.reset(OpS390XMOVDconst)
 13772  		v.AuxInt = c * d
 13773  		return true
 13774  	}
 13775  	return false
 13776  }
 13777  func rewriteValueS390X_OpS390XMULLW(v *Value, config *Config) bool {
 13778  	b := v.Block
 13779  	_ = b
 13780  	// match: (MULLW x (MOVDconst [c]))
 13781  	// cond:
 13782  	// result: (MULLWconst [c] x)
 13783  	for {
 13784  		x := v.Args[0]
 13785  		v_1 := v.Args[1]
 13786  		if v_1.Op != OpS390XMOVDconst {
 13787  			break
 13788  		}
 13789  		c := v_1.AuxInt
 13790  		v.reset(OpS390XMULLWconst)
 13791  		v.AuxInt = c
 13792  		v.AddArg(x)
 13793  		return true
 13794  	}
 13795  	// match: (MULLW (MOVDconst [c]) x)
 13796  	// cond:
 13797  	// result: (MULLWconst [c] x)
 13798  	for {
 13799  		v_0 := v.Args[0]
 13800  		if v_0.Op != OpS390XMOVDconst {
 13801  			break
 13802  		}
 13803  		c := v_0.AuxInt
 13804  		x := v.Args[1]
 13805  		v.reset(OpS390XMULLWconst)
 13806  		v.AuxInt = c
 13807  		v.AddArg(x)
 13808  		return true
 13809  	}
 13810  	// match: (MULLW <t> x g:(MOVWload [off] {sym} ptr mem))
 13811  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13812  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13813  	for {
 13814  		t := v.Type
 13815  		x := v.Args[0]
 13816  		g := v.Args[1]
 13817  		if g.Op != OpS390XMOVWload {
 13818  			break
 13819  		}
 13820  		off := g.AuxInt
 13821  		sym := g.Aux
 13822  		ptr := g.Args[0]
 13823  		mem := g.Args[1]
 13824  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13825  			break
 13826  		}
 13827  		v.reset(OpS390XMULLWload)
 13828  		v.Type = t
 13829  		v.AuxInt = off
 13830  		v.Aux = sym
 13831  		v.AddArg(x)
 13832  		v.AddArg(ptr)
 13833  		v.AddArg(mem)
 13834  		return true
 13835  	}
 13836  	// match: (MULLW <t> g:(MOVWload [off] {sym} ptr mem) x)
 13837  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13838  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13839  	for {
 13840  		t := v.Type
 13841  		g := v.Args[0]
 13842  		if g.Op != OpS390XMOVWload {
 13843  			break
 13844  		}
 13845  		off := g.AuxInt
 13846  		sym := g.Aux
 13847  		ptr := g.Args[0]
 13848  		mem := g.Args[1]
 13849  		x := v.Args[1]
 13850  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13851  			break
 13852  		}
 13853  		v.reset(OpS390XMULLWload)
 13854  		v.Type = t
 13855  		v.AuxInt = off
 13856  		v.Aux = sym
 13857  		v.AddArg(x)
 13858  		v.AddArg(ptr)
 13859  		v.AddArg(mem)
 13860  		return true
 13861  	}
 13862  	// match: (MULLW <t> x g:(MOVWZload [off] {sym} ptr mem))
 13863  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13864  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13865  	for {
 13866  		t := v.Type
 13867  		x := v.Args[0]
 13868  		g := v.Args[1]
 13869  		if g.Op != OpS390XMOVWZload {
 13870  			break
 13871  		}
 13872  		off := g.AuxInt
 13873  		sym := g.Aux
 13874  		ptr := g.Args[0]
 13875  		mem := g.Args[1]
 13876  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13877  			break
 13878  		}
 13879  		v.reset(OpS390XMULLWload)
 13880  		v.Type = t
 13881  		v.AuxInt = off
 13882  		v.Aux = sym
 13883  		v.AddArg(x)
 13884  		v.AddArg(ptr)
 13885  		v.AddArg(mem)
 13886  		return true
 13887  	}
 13888  	// match: (MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 13889  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 13890  	// result: (MULLWload <t> [off] {sym} x ptr mem)
 13891  	for {
 13892  		t := v.Type
 13893  		g := v.Args[0]
 13894  		if g.Op != OpS390XMOVWZload {
 13895  			break
 13896  		}
 13897  		off := g.AuxInt
 13898  		sym := g.Aux
 13899  		ptr := g.Args[0]
 13900  		mem := g.Args[1]
 13901  		x := v.Args[1]
 13902  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 13903  			break
 13904  		}
 13905  		v.reset(OpS390XMULLWload)
 13906  		v.Type = t
 13907  		v.AuxInt = off
 13908  		v.Aux = sym
 13909  		v.AddArg(x)
 13910  		v.AddArg(ptr)
 13911  		v.AddArg(mem)
 13912  		return true
 13913  	}
 13914  	return false
 13915  }
 13916  func rewriteValueS390X_OpS390XMULLWconst(v *Value, config *Config) bool {
 13917  	b := v.Block
 13918  	_ = b
 13919  	// match: (MULLWconst [-1] x)
 13920  	// cond:
 13921  	// result: (NEGW x)
 13922  	for {
 13923  		if v.AuxInt != -1 {
 13924  			break
 13925  		}
 13926  		x := v.Args[0]
 13927  		v.reset(OpS390XNEGW)
 13928  		v.AddArg(x)
 13929  		return true
 13930  	}
 13931  	// match: (MULLWconst [0] _)
 13932  	// cond:
 13933  	// result: (MOVDconst [0])
 13934  	for {
 13935  		if v.AuxInt != 0 {
 13936  			break
 13937  		}
 13938  		v.reset(OpS390XMOVDconst)
 13939  		v.AuxInt = 0
 13940  		return true
 13941  	}
 13942  	// match: (MULLWconst [1] x)
 13943  	// cond:
 13944  	// result: x
 13945  	for {
 13946  		if v.AuxInt != 1 {
 13947  			break
 13948  		}
 13949  		x := v.Args[0]
 13950  		v.reset(OpCopy)
 13951  		v.Type = x.Type
 13952  		v.AddArg(x)
 13953  		return true
 13954  	}
 13955  	// match: (MULLWconst [c] x)
 13956  	// cond: isPowerOfTwo(c)
 13957  	// result: (SLWconst [log2(c)] x)
 13958  	for {
 13959  		c := v.AuxInt
 13960  		x := v.Args[0]
 13961  		if !(isPowerOfTwo(c)) {
 13962  			break
 13963  		}
 13964  		v.reset(OpS390XSLWconst)
 13965  		v.AuxInt = log2(c)
 13966  		v.AddArg(x)
 13967  		return true
 13968  	}
 13969  	// match: (MULLWconst [c] x)
 13970  	// cond: isPowerOfTwo(c+1) && c >= 15
 13971  	// result: (SUBW (SLWconst <v.Type> [log2(c+1)] x) x)
 13972  	for {
 13973  		c := v.AuxInt
 13974  		x := v.Args[0]
 13975  		if !(isPowerOfTwo(c+1) && c >= 15) {
 13976  			break
 13977  		}
 13978  		v.reset(OpS390XSUBW)
 13979  		v0 := b.NewValue0(v.Line, OpS390XSLWconst, v.Type)
 13980  		v0.AuxInt = log2(c + 1)
 13981  		v0.AddArg(x)
 13982  		v.AddArg(v0)
 13983  		v.AddArg(x)
 13984  		return true
 13985  	}
 13986  	// match: (MULLWconst [c] x)
 13987  	// cond: isPowerOfTwo(c-1) && c >= 17
 13988  	// result: (ADDW (SLWconst <v.Type> [log2(c-1)] x) x)
 13989  	for {
 13990  		c := v.AuxInt
 13991  		x := v.Args[0]
 13992  		if !(isPowerOfTwo(c-1) && c >= 17) {
 13993  			break
 13994  		}
 13995  		v.reset(OpS390XADDW)
 13996  		v0 := b.NewValue0(v.Line, OpS390XSLWconst, v.Type)
 13997  		v0.AuxInt = log2(c - 1)
 13998  		v0.AddArg(x)
 13999  		v.AddArg(v0)
 14000  		v.AddArg(x)
 14001  		return true
 14002  	}
 14003  	// match: (MULLWconst [c] (MOVDconst [d]))
 14004  	// cond:
 14005  	// result: (MOVDconst [int64(int32(c*d))])
 14006  	for {
 14007  		c := v.AuxInt
 14008  		v_0 := v.Args[0]
 14009  		if v_0.Op != OpS390XMOVDconst {
 14010  			break
 14011  		}
 14012  		d := v_0.AuxInt
 14013  		v.reset(OpS390XMOVDconst)
 14014  		v.AuxInt = int64(int32(c * d))
 14015  		return true
 14016  	}
 14017  	return false
 14018  }
 14019  func rewriteValueS390X_OpS390XNEG(v *Value, config *Config) bool {
 14020  	b := v.Block
 14021  	_ = b
 14022  	// match: (NEG (MOVDconst [c]))
 14023  	// cond:
 14024  	// result: (MOVDconst [-c])
 14025  	for {
 14026  		v_0 := v.Args[0]
 14027  		if v_0.Op != OpS390XMOVDconst {
 14028  			break
 14029  		}
 14030  		c := v_0.AuxInt
 14031  		v.reset(OpS390XMOVDconst)
 14032  		v.AuxInt = -c
 14033  		return true
 14034  	}
 14035  	return false
 14036  }
 14037  func rewriteValueS390X_OpS390XNEGW(v *Value, config *Config) bool {
 14038  	b := v.Block
 14039  	_ = b
 14040  	// match: (NEGW (MOVDconst [c]))
 14041  	// cond:
 14042  	// result: (MOVDconst [int64(int32(-c))])
 14043  	for {
 14044  		v_0 := v.Args[0]
 14045  		if v_0.Op != OpS390XMOVDconst {
 14046  			break
 14047  		}
 14048  		c := v_0.AuxInt
 14049  		v.reset(OpS390XMOVDconst)
 14050  		v.AuxInt = int64(int32(-c))
 14051  		return true
 14052  	}
 14053  	return false
 14054  }
 14055  func rewriteValueS390X_OpS390XNOT(v *Value, config *Config) bool {
 14056  	b := v.Block
 14057  	_ = b
 14058  	// match: (NOT x)
 14059  	// cond: true
 14060  	// result: (XOR (MOVDconst [-1]) x)
 14061  	for {
 14062  		x := v.Args[0]
 14063  		if !(true) {
 14064  			break
 14065  		}
 14066  		v.reset(OpS390XXOR)
 14067  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 14068  		v0.AuxInt = -1
 14069  		v.AddArg(v0)
 14070  		v.AddArg(x)
 14071  		return true
 14072  	}
 14073  	return false
 14074  }
 14075  func rewriteValueS390X_OpS390XNOTW(v *Value, config *Config) bool {
 14076  	b := v.Block
 14077  	_ = b
 14078  	// match: (NOTW x)
 14079  	// cond: true
 14080  	// result: (XORWconst [-1] x)
 14081  	for {
 14082  		x := v.Args[0]
 14083  		if !(true) {
 14084  			break
 14085  		}
 14086  		v.reset(OpS390XXORWconst)
 14087  		v.AuxInt = -1
 14088  		v.AddArg(x)
 14089  		return true
 14090  	}
 14091  	return false
 14092  }
 14093  func rewriteValueS390X_OpS390XOR(v *Value, config *Config) bool {
 14094  	b := v.Block
 14095  	_ = b
 14096  	// match: (OR x (MOVDconst [c]))
 14097  	// cond: isU32Bit(c)
 14098  	// result: (ORconst [c] x)
 14099  	for {
 14100  		x := v.Args[0]
 14101  		v_1 := v.Args[1]
 14102  		if v_1.Op != OpS390XMOVDconst {
 14103  			break
 14104  		}
 14105  		c := v_1.AuxInt
 14106  		if !(isU32Bit(c)) {
 14107  			break
 14108  		}
 14109  		v.reset(OpS390XORconst)
 14110  		v.AuxInt = c
 14111  		v.AddArg(x)
 14112  		return true
 14113  	}
 14114  	// match: (OR (MOVDconst [c]) x)
 14115  	// cond: isU32Bit(c)
 14116  	// result: (ORconst [c] x)
 14117  	for {
 14118  		v_0 := v.Args[0]
 14119  		if v_0.Op != OpS390XMOVDconst {
 14120  			break
 14121  		}
 14122  		c := v_0.AuxInt
 14123  		x := v.Args[1]
 14124  		if !(isU32Bit(c)) {
 14125  			break
 14126  		}
 14127  		v.reset(OpS390XORconst)
 14128  		v.AuxInt = c
 14129  		v.AddArg(x)
 14130  		return true
 14131  	}
 14132  	// match: (OR (MOVDconst [c]) (MOVDconst [d]))
 14133  	// cond:
 14134  	// result: (MOVDconst [c|d])
 14135  	for {
 14136  		v_0 := v.Args[0]
 14137  		if v_0.Op != OpS390XMOVDconst {
 14138  			break
 14139  		}
 14140  		c := v_0.AuxInt
 14141  		v_1 := v.Args[1]
 14142  		if v_1.Op != OpS390XMOVDconst {
 14143  			break
 14144  		}
 14145  		d := v_1.AuxInt
 14146  		v.reset(OpS390XMOVDconst)
 14147  		v.AuxInt = c | d
 14148  		return true
 14149  	}
 14150  	// match: (OR x x)
 14151  	// cond:
 14152  	// result: x
 14153  	for {
 14154  		x := v.Args[0]
 14155  		if x != v.Args[1] {
 14156  			break
 14157  		}
 14158  		v.reset(OpCopy)
 14159  		v.Type = x.Type
 14160  		v.AddArg(x)
 14161  		return true
 14162  	}
 14163  	// match: (OR <t> x g:(MOVDload [off] {sym} ptr mem))
 14164  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14165  	// result: (ORload <t> [off] {sym} x ptr mem)
 14166  	for {
 14167  		t := v.Type
 14168  		x := v.Args[0]
 14169  		g := v.Args[1]
 14170  		if g.Op != OpS390XMOVDload {
 14171  			break
 14172  		}
 14173  		off := g.AuxInt
 14174  		sym := g.Aux
 14175  		ptr := g.Args[0]
 14176  		mem := g.Args[1]
 14177  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14178  			break
 14179  		}
 14180  		v.reset(OpS390XORload)
 14181  		v.Type = t
 14182  		v.AuxInt = off
 14183  		v.Aux = sym
 14184  		v.AddArg(x)
 14185  		v.AddArg(ptr)
 14186  		v.AddArg(mem)
 14187  		return true
 14188  	}
 14189  	// match: (OR <t> g:(MOVDload [off] {sym} ptr mem) x)
 14190  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 14191  	// result: (ORload <t> [off] {sym} x ptr mem)
 14192  	for {
 14193  		t := v.Type
 14194  		g := v.Args[0]
 14195  		if g.Op != OpS390XMOVDload {
 14196  			break
 14197  		}
 14198  		off := g.AuxInt
 14199  		sym := g.Aux
 14200  		ptr := g.Args[0]
 14201  		mem := g.Args[1]
 14202  		x := v.Args[1]
 14203  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 14204  			break
 14205  		}
 14206  		v.reset(OpS390XORload)
 14207  		v.Type = t
 14208  		v.AuxInt = off
 14209  		v.Aux = sym
 14210  		v.AddArg(x)
 14211  		v.AddArg(ptr)
 14212  		v.AddArg(mem)
 14213  		return true
 14214  	}
 14215  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZload [i]   {s} p mem)     s0:(SLDconst [8]  x1:(MOVBZload [i+1] {s} p mem)))     s1:(SLDconst [16] x2:(MOVBZload [i+2] {s} p mem)))     s2:(SLDconst [24] x3:(MOVBZload [i+3] {s} p mem)))     s3:(SLDconst [32] x4:(MOVBZload [i+4] {s} p mem)))     s4:(SLDconst [40] x5:(MOVBZload [i+5] {s} p mem)))     s5:(SLDconst [48] x6:(MOVBZload [i+6] {s} p mem)))     s6:(SLDconst [56] x7:(MOVBZload [i+7] {s} p mem)))
 14216  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 14217  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRload [i] {s} p mem)
 14218  	for {
 14219  		o0 := v.Args[0]
 14220  		if o0.Op != OpS390XOR {
 14221  			break
 14222  		}
 14223  		o1 := o0.Args[0]
 14224  		if o1.Op != OpS390XOR {
 14225  			break
 14226  		}
 14227  		o2 := o1.Args[0]
 14228  		if o2.Op != OpS390XOR {
 14229  			break
 14230  		}
 14231  		o3 := o2.Args[0]
 14232  		if o3.Op != OpS390XOR {
 14233  			break
 14234  		}
 14235  		o4 := o3.Args[0]
 14236  		if o4.Op != OpS390XOR {
 14237  			break
 14238  		}
 14239  		o5 := o4.Args[0]
 14240  		if o5.Op != OpS390XOR {
 14241  			break
 14242  		}
 14243  		x0 := o5.Args[0]
 14244  		if x0.Op != OpS390XMOVBZload {
 14245  			break
 14246  		}
 14247  		i := x0.AuxInt
 14248  		s := x0.Aux
 14249  		p := x0.Args[0]
 14250  		mem := x0.Args[1]
 14251  		s0 := o5.Args[1]
 14252  		if s0.Op != OpS390XSLDconst {
 14253  			break
 14254  		}
 14255  		if s0.AuxInt != 8 {
 14256  			break
 14257  		}
 14258  		x1 := s0.Args[0]
 14259  		if x1.Op != OpS390XMOVBZload {
 14260  			break
 14261  		}
 14262  		if x1.AuxInt != i+1 {
 14263  			break
 14264  		}
 14265  		if x1.Aux != s {
 14266  			break
 14267  		}
 14268  		if p != x1.Args[0] {
 14269  			break
 14270  		}
 14271  		if mem != x1.Args[1] {
 14272  			break
 14273  		}
 14274  		s1 := o4.Args[1]
 14275  		if s1.Op != OpS390XSLDconst {
 14276  			break
 14277  		}
 14278  		if s1.AuxInt != 16 {
 14279  			break
 14280  		}
 14281  		x2 := s1.Args[0]
 14282  		if x2.Op != OpS390XMOVBZload {
 14283  			break
 14284  		}
 14285  		if x2.AuxInt != i+2 {
 14286  			break
 14287  		}
 14288  		if x2.Aux != s {
 14289  			break
 14290  		}
 14291  		if p != x2.Args[0] {
 14292  			break
 14293  		}
 14294  		if mem != x2.Args[1] {
 14295  			break
 14296  		}
 14297  		s2 := o3.Args[1]
 14298  		if s2.Op != OpS390XSLDconst {
 14299  			break
 14300  		}
 14301  		if s2.AuxInt != 24 {
 14302  			break
 14303  		}
 14304  		x3 := s2.Args[0]
 14305  		if x3.Op != OpS390XMOVBZload {
 14306  			break
 14307  		}
 14308  		if x3.AuxInt != i+3 {
 14309  			break
 14310  		}
 14311  		if x3.Aux != s {
 14312  			break
 14313  		}
 14314  		if p != x3.Args[0] {
 14315  			break
 14316  		}
 14317  		if mem != x3.Args[1] {
 14318  			break
 14319  		}
 14320  		s3 := o2.Args[1]
 14321  		if s3.Op != OpS390XSLDconst {
 14322  			break
 14323  		}
 14324  		if s3.AuxInt != 32 {
 14325  			break
 14326  		}
 14327  		x4 := s3.Args[0]
 14328  		if x4.Op != OpS390XMOVBZload {
 14329  			break
 14330  		}
 14331  		if x4.AuxInt != i+4 {
 14332  			break
 14333  		}
 14334  		if x4.Aux != s {
 14335  			break
 14336  		}
 14337  		if p != x4.Args[0] {
 14338  			break
 14339  		}
 14340  		if mem != x4.Args[1] {
 14341  			break
 14342  		}
 14343  		s4 := o1.Args[1]
 14344  		if s4.Op != OpS390XSLDconst {
 14345  			break
 14346  		}
 14347  		if s4.AuxInt != 40 {
 14348  			break
 14349  		}
 14350  		x5 := s4.Args[0]
 14351  		if x5.Op != OpS390XMOVBZload {
 14352  			break
 14353  		}
 14354  		if x5.AuxInt != i+5 {
 14355  			break
 14356  		}
 14357  		if x5.Aux != s {
 14358  			break
 14359  		}
 14360  		if p != x5.Args[0] {
 14361  			break
 14362  		}
 14363  		if mem != x5.Args[1] {
 14364  			break
 14365  		}
 14366  		s5 := o0.Args[1]
 14367  		if s5.Op != OpS390XSLDconst {
 14368  			break
 14369  		}
 14370  		if s5.AuxInt != 48 {
 14371  			break
 14372  		}
 14373  		x6 := s5.Args[0]
 14374  		if x6.Op != OpS390XMOVBZload {
 14375  			break
 14376  		}
 14377  		if x6.AuxInt != i+6 {
 14378  			break
 14379  		}
 14380  		if x6.Aux != s {
 14381  			break
 14382  		}
 14383  		if p != x6.Args[0] {
 14384  			break
 14385  		}
 14386  		if mem != x6.Args[1] {
 14387  			break
 14388  		}
 14389  		s6 := v.Args[1]
 14390  		if s6.Op != OpS390XSLDconst {
 14391  			break
 14392  		}
 14393  		if s6.AuxInt != 56 {
 14394  			break
 14395  		}
 14396  		x7 := s6.Args[0]
 14397  		if x7.Op != OpS390XMOVBZload {
 14398  			break
 14399  		}
 14400  		if x7.AuxInt != i+7 {
 14401  			break
 14402  		}
 14403  		if x7.Aux != s {
 14404  			break
 14405  		}
 14406  		if p != x7.Args[0] {
 14407  			break
 14408  		}
 14409  		if mem != x7.Args[1] {
 14410  			break
 14411  		}
 14412  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 14413  			break
 14414  		}
 14415  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14416  		v0 := b.NewValue0(v.Line, OpS390XMOVDBRload, config.fe.TypeUInt64())
 14417  		v.reset(OpCopy)
 14418  		v.AddArg(v0)
 14419  		v0.AuxInt = i
 14420  		v0.Aux = s
 14421  		v0.AddArg(p)
 14422  		v0.AddArg(mem)
 14423  		return true
 14424  	}
 14425  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLDconst [8]  x1:(MOVBZloadidx [i+1] {s} p idx mem)))     s1:(SLDconst [16] x2:(MOVBZloadidx [i+2] {s} p idx mem)))     s2:(SLDconst [24] x3:(MOVBZloadidx [i+3] {s} p idx mem)))     s3:(SLDconst [32] x4:(MOVBZloadidx [i+4] {s} p idx mem)))     s4:(SLDconst [40] x5:(MOVBZloadidx [i+5] {s} p idx mem)))     s5:(SLDconst [48] x6:(MOVBZloadidx [i+6] {s} p idx mem)))     s6:(SLDconst [56] x7:(MOVBZloadidx [i+7] {s} p idx mem)))
 14426  	// cond: x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 14427  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDBRloadidx <v.Type> [i] {s} p idx mem)
 14428  	for {
 14429  		o0 := v.Args[0]
 14430  		if o0.Op != OpS390XOR {
 14431  			break
 14432  		}
 14433  		o1 := o0.Args[0]
 14434  		if o1.Op != OpS390XOR {
 14435  			break
 14436  		}
 14437  		o2 := o1.Args[0]
 14438  		if o2.Op != OpS390XOR {
 14439  			break
 14440  		}
 14441  		o3 := o2.Args[0]
 14442  		if o3.Op != OpS390XOR {
 14443  			break
 14444  		}
 14445  		o4 := o3.Args[0]
 14446  		if o4.Op != OpS390XOR {
 14447  			break
 14448  		}
 14449  		o5 := o4.Args[0]
 14450  		if o5.Op != OpS390XOR {
 14451  			break
 14452  		}
 14453  		x0 := o5.Args[0]
 14454  		if x0.Op != OpS390XMOVBZloadidx {
 14455  			break
 14456  		}
 14457  		i := x0.AuxInt
 14458  		s := x0.Aux
 14459  		p := x0.Args[0]
 14460  		idx := x0.Args[1]
 14461  		mem := x0.Args[2]
 14462  		s0 := o5.Args[1]
 14463  		if s0.Op != OpS390XSLDconst {
 14464  			break
 14465  		}
 14466  		if s0.AuxInt != 8 {
 14467  			break
 14468  		}
 14469  		x1 := s0.Args[0]
 14470  		if x1.Op != OpS390XMOVBZloadidx {
 14471  			break
 14472  		}
 14473  		if x1.AuxInt != i+1 {
 14474  			break
 14475  		}
 14476  		if x1.Aux != s {
 14477  			break
 14478  		}
 14479  		if p != x1.Args[0] {
 14480  			break
 14481  		}
 14482  		if idx != x1.Args[1] {
 14483  			break
 14484  		}
 14485  		if mem != x1.Args[2] {
 14486  			break
 14487  		}
 14488  		s1 := o4.Args[1]
 14489  		if s1.Op != OpS390XSLDconst {
 14490  			break
 14491  		}
 14492  		if s1.AuxInt != 16 {
 14493  			break
 14494  		}
 14495  		x2 := s1.Args[0]
 14496  		if x2.Op != OpS390XMOVBZloadidx {
 14497  			break
 14498  		}
 14499  		if x2.AuxInt != i+2 {
 14500  			break
 14501  		}
 14502  		if x2.Aux != s {
 14503  			break
 14504  		}
 14505  		if p != x2.Args[0] {
 14506  			break
 14507  		}
 14508  		if idx != x2.Args[1] {
 14509  			break
 14510  		}
 14511  		if mem != x2.Args[2] {
 14512  			break
 14513  		}
 14514  		s2 := o3.Args[1]
 14515  		if s2.Op != OpS390XSLDconst {
 14516  			break
 14517  		}
 14518  		if s2.AuxInt != 24 {
 14519  			break
 14520  		}
 14521  		x3 := s2.Args[0]
 14522  		if x3.Op != OpS390XMOVBZloadidx {
 14523  			break
 14524  		}
 14525  		if x3.AuxInt != i+3 {
 14526  			break
 14527  		}
 14528  		if x3.Aux != s {
 14529  			break
 14530  		}
 14531  		if p != x3.Args[0] {
 14532  			break
 14533  		}
 14534  		if idx != x3.Args[1] {
 14535  			break
 14536  		}
 14537  		if mem != x3.Args[2] {
 14538  			break
 14539  		}
 14540  		s3 := o2.Args[1]
 14541  		if s3.Op != OpS390XSLDconst {
 14542  			break
 14543  		}
 14544  		if s3.AuxInt != 32 {
 14545  			break
 14546  		}
 14547  		x4 := s3.Args[0]
 14548  		if x4.Op != OpS390XMOVBZloadidx {
 14549  			break
 14550  		}
 14551  		if x4.AuxInt != i+4 {
 14552  			break
 14553  		}
 14554  		if x4.Aux != s {
 14555  			break
 14556  		}
 14557  		if p != x4.Args[0] {
 14558  			break
 14559  		}
 14560  		if idx != x4.Args[1] {
 14561  			break
 14562  		}
 14563  		if mem != x4.Args[2] {
 14564  			break
 14565  		}
 14566  		s4 := o1.Args[1]
 14567  		if s4.Op != OpS390XSLDconst {
 14568  			break
 14569  		}
 14570  		if s4.AuxInt != 40 {
 14571  			break
 14572  		}
 14573  		x5 := s4.Args[0]
 14574  		if x5.Op != OpS390XMOVBZloadidx {
 14575  			break
 14576  		}
 14577  		if x5.AuxInt != i+5 {
 14578  			break
 14579  		}
 14580  		if x5.Aux != s {
 14581  			break
 14582  		}
 14583  		if p != x5.Args[0] {
 14584  			break
 14585  		}
 14586  		if idx != x5.Args[1] {
 14587  			break
 14588  		}
 14589  		if mem != x5.Args[2] {
 14590  			break
 14591  		}
 14592  		s5 := o0.Args[1]
 14593  		if s5.Op != OpS390XSLDconst {
 14594  			break
 14595  		}
 14596  		if s5.AuxInt != 48 {
 14597  			break
 14598  		}
 14599  		x6 := s5.Args[0]
 14600  		if x6.Op != OpS390XMOVBZloadidx {
 14601  			break
 14602  		}
 14603  		if x6.AuxInt != i+6 {
 14604  			break
 14605  		}
 14606  		if x6.Aux != s {
 14607  			break
 14608  		}
 14609  		if p != x6.Args[0] {
 14610  			break
 14611  		}
 14612  		if idx != x6.Args[1] {
 14613  			break
 14614  		}
 14615  		if mem != x6.Args[2] {
 14616  			break
 14617  		}
 14618  		s6 := v.Args[1]
 14619  		if s6.Op != OpS390XSLDconst {
 14620  			break
 14621  		}
 14622  		if s6.AuxInt != 56 {
 14623  			break
 14624  		}
 14625  		x7 := s6.Args[0]
 14626  		if x7.Op != OpS390XMOVBZloadidx {
 14627  			break
 14628  		}
 14629  		if x7.AuxInt != i+7 {
 14630  			break
 14631  		}
 14632  		if x7.Aux != s {
 14633  			break
 14634  		}
 14635  		if p != x7.Args[0] {
 14636  			break
 14637  		}
 14638  		if idx != x7.Args[1] {
 14639  			break
 14640  		}
 14641  		if mem != x7.Args[2] {
 14642  			break
 14643  		}
 14644  		if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 14645  			break
 14646  		}
 14647  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14648  		v0 := b.NewValue0(v.Line, OpS390XMOVDBRloadidx, v.Type)
 14649  		v.reset(OpCopy)
 14650  		v.AddArg(v0)
 14651  		v0.AuxInt = i
 14652  		v0.Aux = s
 14653  		v0.AddArg(p)
 14654  		v0.AddArg(idx)
 14655  		v0.AddArg(mem)
 14656  		return true
 14657  	}
 14658  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZload [i]   {s} p mem)     s0:(SLDconst [8]  x1:(MOVBZload [i-1] {s} p mem)))     s1:(SLDconst [16] x2:(MOVBZload [i-2] {s} p mem)))     s2:(SLDconst [24] x3:(MOVBZload [i-3] {s} p mem)))     s3:(SLDconst [32] x4:(MOVBZload [i-4] {s} p mem)))     s4:(SLDconst [40] x5:(MOVBZload [i-5] {s} p mem)))     s5:(SLDconst [48] x6:(MOVBZload [i-6] {s} p mem)))     s6:(SLDconst [56] x7:(MOVBZload [i-7] {s} p mem)))
 14659  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 14660  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload [i-7] {s} p mem)
 14661  	for {
 14662  		o0 := v.Args[0]
 14663  		if o0.Op != OpS390XOR {
 14664  			break
 14665  		}
 14666  		o1 := o0.Args[0]
 14667  		if o1.Op != OpS390XOR {
 14668  			break
 14669  		}
 14670  		o2 := o1.Args[0]
 14671  		if o2.Op != OpS390XOR {
 14672  			break
 14673  		}
 14674  		o3 := o2.Args[0]
 14675  		if o3.Op != OpS390XOR {
 14676  			break
 14677  		}
 14678  		o4 := o3.Args[0]
 14679  		if o4.Op != OpS390XOR {
 14680  			break
 14681  		}
 14682  		o5 := o4.Args[0]
 14683  		if o5.Op != OpS390XOR {
 14684  			break
 14685  		}
 14686  		x0 := o5.Args[0]
 14687  		if x0.Op != OpS390XMOVBZload {
 14688  			break
 14689  		}
 14690  		i := x0.AuxInt
 14691  		s := x0.Aux
 14692  		p := x0.Args[0]
 14693  		mem := x0.Args[1]
 14694  		s0 := o5.Args[1]
 14695  		if s0.Op != OpS390XSLDconst {
 14696  			break
 14697  		}
 14698  		if s0.AuxInt != 8 {
 14699  			break
 14700  		}
 14701  		x1 := s0.Args[0]
 14702  		if x1.Op != OpS390XMOVBZload {
 14703  			break
 14704  		}
 14705  		if x1.AuxInt != i-1 {
 14706  			break
 14707  		}
 14708  		if x1.Aux != s {
 14709  			break
 14710  		}
 14711  		if p != x1.Args[0] {
 14712  			break
 14713  		}
 14714  		if mem != x1.Args[1] {
 14715  			break
 14716  		}
 14717  		s1 := o4.Args[1]
 14718  		if s1.Op != OpS390XSLDconst {
 14719  			break
 14720  		}
 14721  		if s1.AuxInt != 16 {
 14722  			break
 14723  		}
 14724  		x2 := s1.Args[0]
 14725  		if x2.Op != OpS390XMOVBZload {
 14726  			break
 14727  		}
 14728  		if x2.AuxInt != i-2 {
 14729  			break
 14730  		}
 14731  		if x2.Aux != s {
 14732  			break
 14733  		}
 14734  		if p != x2.Args[0] {
 14735  			break
 14736  		}
 14737  		if mem != x2.Args[1] {
 14738  			break
 14739  		}
 14740  		s2 := o3.Args[1]
 14741  		if s2.Op != OpS390XSLDconst {
 14742  			break
 14743  		}
 14744  		if s2.AuxInt != 24 {
 14745  			break
 14746  		}
 14747  		x3 := s2.Args[0]
 14748  		if x3.Op != OpS390XMOVBZload {
 14749  			break
 14750  		}
 14751  		if x3.AuxInt != i-3 {
 14752  			break
 14753  		}
 14754  		if x3.Aux != s {
 14755  			break
 14756  		}
 14757  		if p != x3.Args[0] {
 14758  			break
 14759  		}
 14760  		if mem != x3.Args[1] {
 14761  			break
 14762  		}
 14763  		s3 := o2.Args[1]
 14764  		if s3.Op != OpS390XSLDconst {
 14765  			break
 14766  		}
 14767  		if s3.AuxInt != 32 {
 14768  			break
 14769  		}
 14770  		x4 := s3.Args[0]
 14771  		if x4.Op != OpS390XMOVBZload {
 14772  			break
 14773  		}
 14774  		if x4.AuxInt != i-4 {
 14775  			break
 14776  		}
 14777  		if x4.Aux != s {
 14778  			break
 14779  		}
 14780  		if p != x4.Args[0] {
 14781  			break
 14782  		}
 14783  		if mem != x4.Args[1] {
 14784  			break
 14785  		}
 14786  		s4 := o1.Args[1]
 14787  		if s4.Op != OpS390XSLDconst {
 14788  			break
 14789  		}
 14790  		if s4.AuxInt != 40 {
 14791  			break
 14792  		}
 14793  		x5 := s4.Args[0]
 14794  		if x5.Op != OpS390XMOVBZload {
 14795  			break
 14796  		}
 14797  		if x5.AuxInt != i-5 {
 14798  			break
 14799  		}
 14800  		if x5.Aux != s {
 14801  			break
 14802  		}
 14803  		if p != x5.Args[0] {
 14804  			break
 14805  		}
 14806  		if mem != x5.Args[1] {
 14807  			break
 14808  		}
 14809  		s5 := o0.Args[1]
 14810  		if s5.Op != OpS390XSLDconst {
 14811  			break
 14812  		}
 14813  		if s5.AuxInt != 48 {
 14814  			break
 14815  		}
 14816  		x6 := s5.Args[0]
 14817  		if x6.Op != OpS390XMOVBZload {
 14818  			break
 14819  		}
 14820  		if x6.AuxInt != i-6 {
 14821  			break
 14822  		}
 14823  		if x6.Aux != s {
 14824  			break
 14825  		}
 14826  		if p != x6.Args[0] {
 14827  			break
 14828  		}
 14829  		if mem != x6.Args[1] {
 14830  			break
 14831  		}
 14832  		s6 := v.Args[1]
 14833  		if s6.Op != OpS390XSLDconst {
 14834  			break
 14835  		}
 14836  		if s6.AuxInt != 56 {
 14837  			break
 14838  		}
 14839  		x7 := s6.Args[0]
 14840  		if x7.Op != OpS390XMOVBZload {
 14841  			break
 14842  		}
 14843  		if x7.AuxInt != i-7 {
 14844  			break
 14845  		}
 14846  		if x7.Aux != s {
 14847  			break
 14848  		}
 14849  		if p != x7.Args[0] {
 14850  			break
 14851  		}
 14852  		if mem != x7.Args[1] {
 14853  			break
 14854  		}
 14855  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 14856  			break
 14857  		}
 14858  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 14859  		v0 := b.NewValue0(v.Line, OpS390XMOVDload, config.fe.TypeUInt64())
 14860  		v.reset(OpCopy)
 14861  		v.AddArg(v0)
 14862  		v0.AuxInt = i - 7
 14863  		v0.Aux = s
 14864  		v0.AddArg(p)
 14865  		v0.AddArg(mem)
 14866  		return true
 14867  	}
 14868  	// match: (OR o0:(OR o1:(OR o2:(OR o3:(OR o4:(OR o5:(OR                       x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLDconst [8]  x1:(MOVBZloadidx [i-1] {s} p idx mem)))     s1:(SLDconst [16] x2:(MOVBZloadidx [i-2] {s} p idx mem)))     s2:(SLDconst [24] x3:(MOVBZloadidx [i-3] {s} p idx mem)))     s3:(SLDconst [32] x4:(MOVBZloadidx [i-4] {s} p idx mem)))     s4:(SLDconst [40] x5:(MOVBZloadidx [i-5] {s} p idx mem)))     s5:(SLDconst [48] x6:(MOVBZloadidx [i-6] {s} p idx mem)))     s6:(SLDconst [56] x7:(MOVBZloadidx [i-7] {s} p idx mem)))
 14869  	// cond: x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && x3.Uses == 1   && x4.Uses == 1   && x5.Uses == 1   && x6.Uses == 1   && x7.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && s2.Uses == 1   && s3.Uses == 1   && s4.Uses == 1   && s5.Uses == 1   && s6.Uses == 1   && o0.Uses == 1   && o1.Uses == 1   && o2.Uses == 1   && o3.Uses == 1   && o4.Uses == 1   && o5.Uses == 1   && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(x3)   && clobber(x4)   && clobber(x5)   && clobber(x6)   && clobber(x7)   && clobber(s0)   && clobber(s1)   && clobber(s2)   && clobber(s3)   && clobber(s4)   && clobber(s5)   && clobber(s6)   && clobber(o0)   && clobber(o1)   && clobber(o2)   && clobber(o3)   && clobber(o4)   && clobber(o5)
 14870  	// result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <v.Type> [i-7] {s} p idx mem)
 14871  	for {
 14872  		o0 := v.Args[0]
 14873  		if o0.Op != OpS390XOR {
 14874  			break
 14875  		}
 14876  		o1 := o0.Args[0]
 14877  		if o1.Op != OpS390XOR {
 14878  			break
 14879  		}
 14880  		o2 := o1.Args[0]
 14881  		if o2.Op != OpS390XOR {
 14882  			break
 14883  		}
 14884  		o3 := o2.Args[0]
 14885  		if o3.Op != OpS390XOR {
 14886  			break
 14887  		}
 14888  		o4 := o3.Args[0]
 14889  		if o4.Op != OpS390XOR {
 14890  			break
 14891  		}
 14892  		o5 := o4.Args[0]
 14893  		if o5.Op != OpS390XOR {
 14894  			break
 14895  		}
 14896  		x0 := o5.Args[0]
 14897  		if x0.Op != OpS390XMOVBZloadidx {
 14898  			break
 14899  		}
 14900  		i := x0.AuxInt
 14901  		s := x0.Aux
 14902  		p := x0.Args[0]
 14903  		idx := x0.Args[1]
 14904  		mem := x0.Args[2]
 14905  		s0 := o5.Args[1]
 14906  		if s0.Op != OpS390XSLDconst {
 14907  			break
 14908  		}
 14909  		if s0.AuxInt != 8 {
 14910  			break
 14911  		}
 14912  		x1 := s0.Args[0]
 14913  		if x1.Op != OpS390XMOVBZloadidx {
 14914  			break
 14915  		}
 14916  		if x1.AuxInt != i-1 {
 14917  			break
 14918  		}
 14919  		if x1.Aux != s {
 14920  			break
 14921  		}
 14922  		if p != x1.Args[0] {
 14923  			break
 14924  		}
 14925  		if idx != x1.Args[1] {
 14926  			break
 14927  		}
 14928  		if mem != x1.Args[2] {
 14929  			break
 14930  		}
 14931  		s1 := o4.Args[1]
 14932  		if s1.Op != OpS390XSLDconst {
 14933  			break
 14934  		}
 14935  		if s1.AuxInt != 16 {
 14936  			break
 14937  		}
 14938  		x2 := s1.Args[0]
 14939  		if x2.Op != OpS390XMOVBZloadidx {
 14940  			break
 14941  		}
 14942  		if x2.AuxInt != i-2 {
 14943  			break
 14944  		}
 14945  		if x2.Aux != s {
 14946  			break
 14947  		}
 14948  		if p != x2.Args[0] {
 14949  			break
 14950  		}
 14951  		if idx != x2.Args[1] {
 14952  			break
 14953  		}
 14954  		if mem != x2.Args[2] {
 14955  			break
 14956  		}
 14957  		s2 := o3.Args[1]
 14958  		if s2.Op != OpS390XSLDconst {
 14959  			break
 14960  		}
 14961  		if s2.AuxInt != 24 {
 14962  			break
 14963  		}
 14964  		x3 := s2.Args[0]
 14965  		if x3.Op != OpS390XMOVBZloadidx {
 14966  			break
 14967  		}
 14968  		if x3.AuxInt != i-3 {
 14969  			break
 14970  		}
 14971  		if x3.Aux != s {
 14972  			break
 14973  		}
 14974  		if p != x3.Args[0] {
 14975  			break
 14976  		}
 14977  		if idx != x3.Args[1] {
 14978  			break
 14979  		}
 14980  		if mem != x3.Args[2] {
 14981  			break
 14982  		}
 14983  		s3 := o2.Args[1]
 14984  		if s3.Op != OpS390XSLDconst {
 14985  			break
 14986  		}
 14987  		if s3.AuxInt != 32 {
 14988  			break
 14989  		}
 14990  		x4 := s3.Args[0]
 14991  		if x4.Op != OpS390XMOVBZloadidx {
 14992  			break
 14993  		}
 14994  		if x4.AuxInt != i-4 {
 14995  			break
 14996  		}
 14997  		if x4.Aux != s {
 14998  			break
 14999  		}
 15000  		if p != x4.Args[0] {
 15001  			break
 15002  		}
 15003  		if idx != x4.Args[1] {
 15004  			break
 15005  		}
 15006  		if mem != x4.Args[2] {
 15007  			break
 15008  		}
 15009  		s4 := o1.Args[1]
 15010  		if s4.Op != OpS390XSLDconst {
 15011  			break
 15012  		}
 15013  		if s4.AuxInt != 40 {
 15014  			break
 15015  		}
 15016  		x5 := s4.Args[0]
 15017  		if x5.Op != OpS390XMOVBZloadidx {
 15018  			break
 15019  		}
 15020  		if x5.AuxInt != i-5 {
 15021  			break
 15022  		}
 15023  		if x5.Aux != s {
 15024  			break
 15025  		}
 15026  		if p != x5.Args[0] {
 15027  			break
 15028  		}
 15029  		if idx != x5.Args[1] {
 15030  			break
 15031  		}
 15032  		if mem != x5.Args[2] {
 15033  			break
 15034  		}
 15035  		s5 := o0.Args[1]
 15036  		if s5.Op != OpS390XSLDconst {
 15037  			break
 15038  		}
 15039  		if s5.AuxInt != 48 {
 15040  			break
 15041  		}
 15042  		x6 := s5.Args[0]
 15043  		if x6.Op != OpS390XMOVBZloadidx {
 15044  			break
 15045  		}
 15046  		if x6.AuxInt != i-6 {
 15047  			break
 15048  		}
 15049  		if x6.Aux != s {
 15050  			break
 15051  		}
 15052  		if p != x6.Args[0] {
 15053  			break
 15054  		}
 15055  		if idx != x6.Args[1] {
 15056  			break
 15057  		}
 15058  		if mem != x6.Args[2] {
 15059  			break
 15060  		}
 15061  		s6 := v.Args[1]
 15062  		if s6.Op != OpS390XSLDconst {
 15063  			break
 15064  		}
 15065  		if s6.AuxInt != 56 {
 15066  			break
 15067  		}
 15068  		x7 := s6.Args[0]
 15069  		if x7.Op != OpS390XMOVBZloadidx {
 15070  			break
 15071  		}
 15072  		if x7.AuxInt != i-7 {
 15073  			break
 15074  		}
 15075  		if x7.Aux != s {
 15076  			break
 15077  		}
 15078  		if p != x7.Args[0] {
 15079  			break
 15080  		}
 15081  		if idx != x7.Args[1] {
 15082  			break
 15083  		}
 15084  		if mem != x7.Args[2] {
 15085  			break
 15086  		}
 15087  		if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && s4.Uses == 1 && s5.Uses == 1 && s6.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(s0) && clobber(s1) && clobber(s2) && clobber(s3) && clobber(s4) && clobber(s5) && clobber(s6) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5)) {
 15088  			break
 15089  		}
 15090  		b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7)
 15091  		v0 := b.NewValue0(v.Line, OpS390XMOVDloadidx, v.Type)
 15092  		v.reset(OpCopy)
 15093  		v.AddArg(v0)
 15094  		v0.AuxInt = i - 7
 15095  		v0.Aux = s
 15096  		v0.AddArg(p)
 15097  		v0.AddArg(idx)
 15098  		v0.AddArg(mem)
 15099  		return true
 15100  	}
 15101  	return false
 15102  }
 15103  func rewriteValueS390X_OpS390XORW(v *Value, config *Config) bool {
 15104  	b := v.Block
 15105  	_ = b
 15106  	// match: (ORW x (MOVDconst [c]))
 15107  	// cond:
 15108  	// result: (ORWconst [c] x)
 15109  	for {
 15110  		x := v.Args[0]
 15111  		v_1 := v.Args[1]
 15112  		if v_1.Op != OpS390XMOVDconst {
 15113  			break
 15114  		}
 15115  		c := v_1.AuxInt
 15116  		v.reset(OpS390XORWconst)
 15117  		v.AuxInt = c
 15118  		v.AddArg(x)
 15119  		return true
 15120  	}
 15121  	// match: (ORW (MOVDconst [c]) x)
 15122  	// cond:
 15123  	// result: (ORWconst [c] x)
 15124  	for {
 15125  		v_0 := v.Args[0]
 15126  		if v_0.Op != OpS390XMOVDconst {
 15127  			break
 15128  		}
 15129  		c := v_0.AuxInt
 15130  		x := v.Args[1]
 15131  		v.reset(OpS390XORWconst)
 15132  		v.AuxInt = c
 15133  		v.AddArg(x)
 15134  		return true
 15135  	}
 15136  	// match: (ORW x x)
 15137  	// cond:
 15138  	// result: x
 15139  	for {
 15140  		x := v.Args[0]
 15141  		if x != v.Args[1] {
 15142  			break
 15143  		}
 15144  		v.reset(OpCopy)
 15145  		v.Type = x.Type
 15146  		v.AddArg(x)
 15147  		return true
 15148  	}
 15149  	// match: (ORW <t> x g:(MOVWload [off] {sym} ptr mem))
 15150  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15151  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15152  	for {
 15153  		t := v.Type
 15154  		x := v.Args[0]
 15155  		g := v.Args[1]
 15156  		if g.Op != OpS390XMOVWload {
 15157  			break
 15158  		}
 15159  		off := g.AuxInt
 15160  		sym := g.Aux
 15161  		ptr := g.Args[0]
 15162  		mem := g.Args[1]
 15163  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15164  			break
 15165  		}
 15166  		v.reset(OpS390XORWload)
 15167  		v.Type = t
 15168  		v.AuxInt = off
 15169  		v.Aux = sym
 15170  		v.AddArg(x)
 15171  		v.AddArg(ptr)
 15172  		v.AddArg(mem)
 15173  		return true
 15174  	}
 15175  	// match: (ORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 15176  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15177  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15178  	for {
 15179  		t := v.Type
 15180  		g := v.Args[0]
 15181  		if g.Op != OpS390XMOVWload {
 15182  			break
 15183  		}
 15184  		off := g.AuxInt
 15185  		sym := g.Aux
 15186  		ptr := g.Args[0]
 15187  		mem := g.Args[1]
 15188  		x := v.Args[1]
 15189  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15190  			break
 15191  		}
 15192  		v.reset(OpS390XORWload)
 15193  		v.Type = t
 15194  		v.AuxInt = off
 15195  		v.Aux = sym
 15196  		v.AddArg(x)
 15197  		v.AddArg(ptr)
 15198  		v.AddArg(mem)
 15199  		return true
 15200  	}
 15201  	// match: (ORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 15202  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15203  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15204  	for {
 15205  		t := v.Type
 15206  		x := v.Args[0]
 15207  		g := v.Args[1]
 15208  		if g.Op != OpS390XMOVWZload {
 15209  			break
 15210  		}
 15211  		off := g.AuxInt
 15212  		sym := g.Aux
 15213  		ptr := g.Args[0]
 15214  		mem := g.Args[1]
 15215  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15216  			break
 15217  		}
 15218  		v.reset(OpS390XORWload)
 15219  		v.Type = t
 15220  		v.AuxInt = off
 15221  		v.Aux = sym
 15222  		v.AddArg(x)
 15223  		v.AddArg(ptr)
 15224  		v.AddArg(mem)
 15225  		return true
 15226  	}
 15227  	// match: (ORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 15228  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 15229  	// result: (ORWload <t> [off] {sym} x ptr mem)
 15230  	for {
 15231  		t := v.Type
 15232  		g := v.Args[0]
 15233  		if g.Op != OpS390XMOVWZload {
 15234  			break
 15235  		}
 15236  		off := g.AuxInt
 15237  		sym := g.Aux
 15238  		ptr := g.Args[0]
 15239  		mem := g.Args[1]
 15240  		x := v.Args[1]
 15241  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 15242  			break
 15243  		}
 15244  		v.reset(OpS390XORWload)
 15245  		v.Type = t
 15246  		v.AuxInt = off
 15247  		v.Aux = sym
 15248  		v.AddArg(x)
 15249  		v.AddArg(ptr)
 15250  		v.AddArg(mem)
 15251  		return true
 15252  	}
 15253  	// match: (ORW                 x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i+1] {s} p mem)))
 15254  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15255  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRload [i] {s} p mem))
 15256  	for {
 15257  		x0 := v.Args[0]
 15258  		if x0.Op != OpS390XMOVBZload {
 15259  			break
 15260  		}
 15261  		i := x0.AuxInt
 15262  		s := x0.Aux
 15263  		p := x0.Args[0]
 15264  		mem := x0.Args[1]
 15265  		s0 := v.Args[1]
 15266  		if s0.Op != OpS390XSLWconst {
 15267  			break
 15268  		}
 15269  		if s0.AuxInt != 8 {
 15270  			break
 15271  		}
 15272  		x1 := s0.Args[0]
 15273  		if x1.Op != OpS390XMOVBZload {
 15274  			break
 15275  		}
 15276  		if x1.AuxInt != i+1 {
 15277  			break
 15278  		}
 15279  		if x1.Aux != s {
 15280  			break
 15281  		}
 15282  		if p != x1.Args[0] {
 15283  			break
 15284  		}
 15285  		if mem != x1.Args[1] {
 15286  			break
 15287  		}
 15288  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15289  			break
 15290  		}
 15291  		b = mergePoint(b, x0, x1)
 15292  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15293  		v.reset(OpCopy)
 15294  		v.AddArg(v0)
 15295  		v1 := b.NewValue0(v.Line, OpS390XMOVHBRload, config.fe.TypeUInt16())
 15296  		v1.AuxInt = i
 15297  		v1.Aux = s
 15298  		v1.AddArg(p)
 15299  		v1.AddArg(mem)
 15300  		v0.AddArg(v1)
 15301  		return true
 15302  	}
 15303  	// match: (ORW o0:(ORW z0:(MOVHZreg x0:(MOVHBRload [i] {s} p mem))     s0:(SLWconst [16] x1:(MOVBZload [i+2] {s} p mem)))     s1:(SLWconst [24] x2:(MOVBZload [i+3] {s} p mem)))
 15304  	// cond: p.Op != OpSB   && z0.Uses == 1   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(z0)   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 15305  	// result: @mergePoint(b,x0,x1,x2) (MOVWBRload [i] {s} p mem)
 15306  	for {
 15307  		o0 := v.Args[0]
 15308  		if o0.Op != OpS390XORW {
 15309  			break
 15310  		}
 15311  		z0 := o0.Args[0]
 15312  		if z0.Op != OpS390XMOVHZreg {
 15313  			break
 15314  		}
 15315  		x0 := z0.Args[0]
 15316  		if x0.Op != OpS390XMOVHBRload {
 15317  			break
 15318  		}
 15319  		i := x0.AuxInt
 15320  		s := x0.Aux
 15321  		p := x0.Args[0]
 15322  		mem := x0.Args[1]
 15323  		s0 := o0.Args[1]
 15324  		if s0.Op != OpS390XSLWconst {
 15325  			break
 15326  		}
 15327  		if s0.AuxInt != 16 {
 15328  			break
 15329  		}
 15330  		x1 := s0.Args[0]
 15331  		if x1.Op != OpS390XMOVBZload {
 15332  			break
 15333  		}
 15334  		if x1.AuxInt != i+2 {
 15335  			break
 15336  		}
 15337  		if x1.Aux != s {
 15338  			break
 15339  		}
 15340  		if p != x1.Args[0] {
 15341  			break
 15342  		}
 15343  		if mem != x1.Args[1] {
 15344  			break
 15345  		}
 15346  		s1 := v.Args[1]
 15347  		if s1.Op != OpS390XSLWconst {
 15348  			break
 15349  		}
 15350  		if s1.AuxInt != 24 {
 15351  			break
 15352  		}
 15353  		x2 := s1.Args[0]
 15354  		if x2.Op != OpS390XMOVBZload {
 15355  			break
 15356  		}
 15357  		if x2.AuxInt != i+3 {
 15358  			break
 15359  		}
 15360  		if x2.Aux != s {
 15361  			break
 15362  		}
 15363  		if p != x2.Args[0] {
 15364  			break
 15365  		}
 15366  		if mem != x2.Args[1] {
 15367  			break
 15368  		}
 15369  		if !(p.Op != OpSB && z0.Uses == 1 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(z0) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 15370  			break
 15371  		}
 15372  		b = mergePoint(b, x0, x1, x2)
 15373  		v0 := b.NewValue0(v.Line, OpS390XMOVWBRload, config.fe.TypeUInt32())
 15374  		v.reset(OpCopy)
 15375  		v.AddArg(v0)
 15376  		v0.AuxInt = i
 15377  		v0.Aux = s
 15378  		v0.AddArg(p)
 15379  		v0.AddArg(mem)
 15380  		return true
 15381  	}
 15382  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i+1] {s} p idx mem)))
 15383  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15384  	// result: @mergePoint(b,x0,x1) (MOVHZreg (MOVHBRloadidx <v.Type> [i] {s} p idx mem))
 15385  	for {
 15386  		x0 := v.Args[0]
 15387  		if x0.Op != OpS390XMOVBZloadidx {
 15388  			break
 15389  		}
 15390  		i := x0.AuxInt
 15391  		s := x0.Aux
 15392  		p := x0.Args[0]
 15393  		idx := x0.Args[1]
 15394  		mem := x0.Args[2]
 15395  		s0 := v.Args[1]
 15396  		if s0.Op != OpS390XSLWconst {
 15397  			break
 15398  		}
 15399  		if s0.AuxInt != 8 {
 15400  			break
 15401  		}
 15402  		x1 := s0.Args[0]
 15403  		if x1.Op != OpS390XMOVBZloadidx {
 15404  			break
 15405  		}
 15406  		if x1.AuxInt != i+1 {
 15407  			break
 15408  		}
 15409  		if x1.Aux != s {
 15410  			break
 15411  		}
 15412  		if p != x1.Args[0] {
 15413  			break
 15414  		}
 15415  		if idx != x1.Args[1] {
 15416  			break
 15417  		}
 15418  		if mem != x1.Args[2] {
 15419  			break
 15420  		}
 15421  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15422  			break
 15423  		}
 15424  		b = mergePoint(b, x0, x1)
 15425  		v0 := b.NewValue0(v.Line, OpS390XMOVHZreg, config.fe.TypeUInt64())
 15426  		v.reset(OpCopy)
 15427  		v.AddArg(v0)
 15428  		v1 := b.NewValue0(v.Line, OpS390XMOVHBRloadidx, v.Type)
 15429  		v1.AuxInt = i
 15430  		v1.Aux = s
 15431  		v1.AddArg(p)
 15432  		v1.AddArg(idx)
 15433  		v1.AddArg(mem)
 15434  		v0.AddArg(v1)
 15435  		return true
 15436  	}
 15437  	// match: (ORW o0:(ORW z0:(MOVHZreg x0:(MOVHBRloadidx [i] {s} p idx mem))     s0:(SLWconst [16] x1:(MOVBZloadidx [i+2] {s} p idx mem)))     s1:(SLWconst [24] x2:(MOVBZloadidx [i+3] {s} p idx mem)))
 15438  	// cond: z0.Uses == 1   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(z0)   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 15439  	// result: @mergePoint(b,x0,x1,x2) (MOVWZreg (MOVWBRloadidx <v.Type> [i] {s} p idx mem))
 15440  	for {
 15441  		o0 := v.Args[0]
 15442  		if o0.Op != OpS390XORW {
 15443  			break
 15444  		}
 15445  		z0 := o0.Args[0]
 15446  		if z0.Op != OpS390XMOVHZreg {
 15447  			break
 15448  		}
 15449  		x0 := z0.Args[0]
 15450  		if x0.Op != OpS390XMOVHBRloadidx {
 15451  			break
 15452  		}
 15453  		i := x0.AuxInt
 15454  		s := x0.Aux
 15455  		p := x0.Args[0]
 15456  		idx := x0.Args[1]
 15457  		mem := x0.Args[2]
 15458  		s0 := o0.Args[1]
 15459  		if s0.Op != OpS390XSLWconst {
 15460  			break
 15461  		}
 15462  		if s0.AuxInt != 16 {
 15463  			break
 15464  		}
 15465  		x1 := s0.Args[0]
 15466  		if x1.Op != OpS390XMOVBZloadidx {
 15467  			break
 15468  		}
 15469  		if x1.AuxInt != i+2 {
 15470  			break
 15471  		}
 15472  		if x1.Aux != s {
 15473  			break
 15474  		}
 15475  		if p != x1.Args[0] {
 15476  			break
 15477  		}
 15478  		if idx != x1.Args[1] {
 15479  			break
 15480  		}
 15481  		if mem != x1.Args[2] {
 15482  			break
 15483  		}
 15484  		s1 := v.Args[1]
 15485  		if s1.Op != OpS390XSLWconst {
 15486  			break
 15487  		}
 15488  		if s1.AuxInt != 24 {
 15489  			break
 15490  		}
 15491  		x2 := s1.Args[0]
 15492  		if x2.Op != OpS390XMOVBZloadidx {
 15493  			break
 15494  		}
 15495  		if x2.AuxInt != i+3 {
 15496  			break
 15497  		}
 15498  		if x2.Aux != s {
 15499  			break
 15500  		}
 15501  		if p != x2.Args[0] {
 15502  			break
 15503  		}
 15504  		if idx != x2.Args[1] {
 15505  			break
 15506  		}
 15507  		if mem != x2.Args[2] {
 15508  			break
 15509  		}
 15510  		if !(z0.Uses == 1 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(z0) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 15511  			break
 15512  		}
 15513  		b = mergePoint(b, x0, x1, x2)
 15514  		v0 := b.NewValue0(v.Line, OpS390XMOVWZreg, config.fe.TypeUInt64())
 15515  		v.reset(OpCopy)
 15516  		v.AddArg(v0)
 15517  		v1 := b.NewValue0(v.Line, OpS390XMOVWBRloadidx, v.Type)
 15518  		v1.AuxInt = i
 15519  		v1.Aux = s
 15520  		v1.AddArg(p)
 15521  		v1.AddArg(idx)
 15522  		v1.AddArg(mem)
 15523  		v0.AddArg(v1)
 15524  		return true
 15525  	}
 15526  	// match: (ORW                  x0:(MOVBZload [i]   {s} p mem)     s0:(SLWconst [8] x1:(MOVBZload [i-1] {s} p mem)))
 15527  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15528  	// result: @mergePoint(b,x0,x1) (MOVHZload [i-1] {s} p mem)
 15529  	for {
 15530  		x0 := v.Args[0]
 15531  		if x0.Op != OpS390XMOVBZload {
 15532  			break
 15533  		}
 15534  		i := x0.AuxInt
 15535  		s := x0.Aux
 15536  		p := x0.Args[0]
 15537  		mem := x0.Args[1]
 15538  		s0 := v.Args[1]
 15539  		if s0.Op != OpS390XSLWconst {
 15540  			break
 15541  		}
 15542  		if s0.AuxInt != 8 {
 15543  			break
 15544  		}
 15545  		x1 := s0.Args[0]
 15546  		if x1.Op != OpS390XMOVBZload {
 15547  			break
 15548  		}
 15549  		if x1.AuxInt != i-1 {
 15550  			break
 15551  		}
 15552  		if x1.Aux != s {
 15553  			break
 15554  		}
 15555  		if p != x1.Args[0] {
 15556  			break
 15557  		}
 15558  		if mem != x1.Args[1] {
 15559  			break
 15560  		}
 15561  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15562  			break
 15563  		}
 15564  		b = mergePoint(b, x0, x1)
 15565  		v0 := b.NewValue0(v.Line, OpS390XMOVHZload, config.fe.TypeUInt16())
 15566  		v.reset(OpCopy)
 15567  		v.AddArg(v0)
 15568  		v0.AuxInt = i - 1
 15569  		v0.Aux = s
 15570  		v0.AddArg(p)
 15571  		v0.AddArg(mem)
 15572  		return true
 15573  	}
 15574  	// match: (ORW o0:(ORW x0:(MOVHZload [i] {s} p mem)     s0:(SLWconst [16] x1:(MOVBZload [i-1] {s} p mem)))     s1:(SLWconst [24] x2:(MOVBZload [i-2] {s} p mem)))
 15575  	// cond: p.Op != OpSB   && x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 15576  	// result: @mergePoint(b,x0,x1,x2) (MOVWZload [i-2] {s} p mem)
 15577  	for {
 15578  		o0 := v.Args[0]
 15579  		if o0.Op != OpS390XORW {
 15580  			break
 15581  		}
 15582  		x0 := o0.Args[0]
 15583  		if x0.Op != OpS390XMOVHZload {
 15584  			break
 15585  		}
 15586  		i := x0.AuxInt
 15587  		s := x0.Aux
 15588  		p := x0.Args[0]
 15589  		mem := x0.Args[1]
 15590  		s0 := o0.Args[1]
 15591  		if s0.Op != OpS390XSLWconst {
 15592  			break
 15593  		}
 15594  		if s0.AuxInt != 16 {
 15595  			break
 15596  		}
 15597  		x1 := s0.Args[0]
 15598  		if x1.Op != OpS390XMOVBZload {
 15599  			break
 15600  		}
 15601  		if x1.AuxInt != i-1 {
 15602  			break
 15603  		}
 15604  		if x1.Aux != s {
 15605  			break
 15606  		}
 15607  		if p != x1.Args[0] {
 15608  			break
 15609  		}
 15610  		if mem != x1.Args[1] {
 15611  			break
 15612  		}
 15613  		s1 := v.Args[1]
 15614  		if s1.Op != OpS390XSLWconst {
 15615  			break
 15616  		}
 15617  		if s1.AuxInt != 24 {
 15618  			break
 15619  		}
 15620  		x2 := s1.Args[0]
 15621  		if x2.Op != OpS390XMOVBZload {
 15622  			break
 15623  		}
 15624  		if x2.AuxInt != i-2 {
 15625  			break
 15626  		}
 15627  		if x2.Aux != s {
 15628  			break
 15629  		}
 15630  		if p != x2.Args[0] {
 15631  			break
 15632  		}
 15633  		if mem != x2.Args[1] {
 15634  			break
 15635  		}
 15636  		if !(p.Op != OpSB && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 15637  			break
 15638  		}
 15639  		b = mergePoint(b, x0, x1, x2)
 15640  		v0 := b.NewValue0(v.Line, OpS390XMOVWZload, config.fe.TypeUInt32())
 15641  		v.reset(OpCopy)
 15642  		v.AddArg(v0)
 15643  		v0.AuxInt = i - 2
 15644  		v0.Aux = s
 15645  		v0.AddArg(p)
 15646  		v0.AddArg(mem)
 15647  		return true
 15648  	}
 15649  	// match: (ORW                 x0:(MOVBZloadidx [i]   {s} p idx mem)     s0:(SLWconst [8] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
 15650  	// cond: x0.Uses == 1   && x1.Uses == 1   && s0.Uses == 1   && mergePoint(b,x0,x1) != nil   && clobber(x0)   && clobber(x1)   && clobber(s0)
 15651  	// result: @mergePoint(b,x0,x1) (MOVHZloadidx <v.Type> [i-1] {s} p idx mem)
 15652  	for {
 15653  		x0 := v.Args[0]
 15654  		if x0.Op != OpS390XMOVBZloadidx {
 15655  			break
 15656  		}
 15657  		i := x0.AuxInt
 15658  		s := x0.Aux
 15659  		p := x0.Args[0]
 15660  		idx := x0.Args[1]
 15661  		mem := x0.Args[2]
 15662  		s0 := v.Args[1]
 15663  		if s0.Op != OpS390XSLWconst {
 15664  			break
 15665  		}
 15666  		if s0.AuxInt != 8 {
 15667  			break
 15668  		}
 15669  		x1 := s0.Args[0]
 15670  		if x1.Op != OpS390XMOVBZloadidx {
 15671  			break
 15672  		}
 15673  		if x1.AuxInt != i-1 {
 15674  			break
 15675  		}
 15676  		if x1.Aux != s {
 15677  			break
 15678  		}
 15679  		if p != x1.Args[0] {
 15680  			break
 15681  		}
 15682  		if idx != x1.Args[1] {
 15683  			break
 15684  		}
 15685  		if mem != x1.Args[2] {
 15686  			break
 15687  		}
 15688  		if !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(s0)) {
 15689  			break
 15690  		}
 15691  		b = mergePoint(b, x0, x1)
 15692  		v0 := b.NewValue0(v.Line, OpS390XMOVHZloadidx, v.Type)
 15693  		v.reset(OpCopy)
 15694  		v.AddArg(v0)
 15695  		v0.AuxInt = i - 1
 15696  		v0.Aux = s
 15697  		v0.AddArg(p)
 15698  		v0.AddArg(idx)
 15699  		v0.AddArg(mem)
 15700  		return true
 15701  	}
 15702  	// match: (ORW o0:(ORW x0:(MOVHZloadidx [i] {s} p idx mem)     s0:(SLWconst [16] x1:(MOVBZloadidx [i-1] {s} p idx mem)))     s1:(SLWconst [24] x2:(MOVBZloadidx [i-2] {s} p idx mem)))
 15703  	// cond: x0.Uses == 1   && x1.Uses == 1   && x2.Uses == 1   && s0.Uses == 1   && s1.Uses == 1   && o0.Uses == 1   && mergePoint(b,x0,x1,x2) != nil   && clobber(x0)   && clobber(x1)   && clobber(x2)   && clobber(s0)   && clobber(s1)   && clobber(o0)
 15704  	// result: @mergePoint(b,x0,x1,x2) (MOVWZloadidx <v.Type> [i-2] {s} p idx mem)
 15705  	for {
 15706  		o0 := v.Args[0]
 15707  		if o0.Op != OpS390XORW {
 15708  			break
 15709  		}
 15710  		x0 := o0.Args[0]
 15711  		if x0.Op != OpS390XMOVHZloadidx {
 15712  			break
 15713  		}
 15714  		i := x0.AuxInt
 15715  		s := x0.Aux
 15716  		p := x0.Args[0]
 15717  		idx := x0.Args[1]
 15718  		mem := x0.Args[2]
 15719  		s0 := o0.Args[1]
 15720  		if s0.Op != OpS390XSLWconst {
 15721  			break
 15722  		}
 15723  		if s0.AuxInt != 16 {
 15724  			break
 15725  		}
 15726  		x1 := s0.Args[0]
 15727  		if x1.Op != OpS390XMOVBZloadidx {
 15728  			break
 15729  		}
 15730  		if x1.AuxInt != i-1 {
 15731  			break
 15732  		}
 15733  		if x1.Aux != s {
 15734  			break
 15735  		}
 15736  		if p != x1.Args[0] {
 15737  			break
 15738  		}
 15739  		if idx != x1.Args[1] {
 15740  			break
 15741  		}
 15742  		if mem != x1.Args[2] {
 15743  			break
 15744  		}
 15745  		s1 := v.Args[1]
 15746  		if s1.Op != OpS390XSLWconst {
 15747  			break
 15748  		}
 15749  		if s1.AuxInt != 24 {
 15750  			break
 15751  		}
 15752  		x2 := s1.Args[0]
 15753  		if x2.Op != OpS390XMOVBZloadidx {
 15754  			break
 15755  		}
 15756  		if x2.AuxInt != i-2 {
 15757  			break
 15758  		}
 15759  		if x2.Aux != s {
 15760  			break
 15761  		}
 15762  		if p != x2.Args[0] {
 15763  			break
 15764  		}
 15765  		if idx != x2.Args[1] {
 15766  			break
 15767  		}
 15768  		if mem != x2.Args[2] {
 15769  			break
 15770  		}
 15771  		if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(s0) && clobber(s1) && clobber(o0)) {
 15772  			break
 15773  		}
 15774  		b = mergePoint(b, x0, x1, x2)
 15775  		v0 := b.NewValue0(v.Line, OpS390XMOVWZloadidx, v.Type)
 15776  		v.reset(OpCopy)
 15777  		v.AddArg(v0)
 15778  		v0.AuxInt = i - 2
 15779  		v0.Aux = s
 15780  		v0.AddArg(p)
 15781  		v0.AddArg(idx)
 15782  		v0.AddArg(mem)
 15783  		return true
 15784  	}
 15785  	return false
 15786  }
 15787  func rewriteValueS390X_OpS390XORWconst(v *Value, config *Config) bool {
 15788  	b := v.Block
 15789  	_ = b
 15790  	// match: (ORWconst [c] x)
 15791  	// cond: int32(c)==0
 15792  	// result: x
 15793  	for {
 15794  		c := v.AuxInt
 15795  		x := v.Args[0]
 15796  		if !(int32(c) == 0) {
 15797  			break
 15798  		}
 15799  		v.reset(OpCopy)
 15800  		v.Type = x.Type
 15801  		v.AddArg(x)
 15802  		return true
 15803  	}
 15804  	// match: (ORWconst [c] _)
 15805  	// cond: int32(c)==-1
 15806  	// result: (MOVDconst [-1])
 15807  	for {
 15808  		c := v.AuxInt
 15809  		if !(int32(c) == -1) {
 15810  			break
 15811  		}
 15812  		v.reset(OpS390XMOVDconst)
 15813  		v.AuxInt = -1
 15814  		return true
 15815  	}
 15816  	// match: (ORWconst [c] (MOVDconst [d]))
 15817  	// cond:
 15818  	// result: (MOVDconst [c|d])
 15819  	for {
 15820  		c := v.AuxInt
 15821  		v_0 := v.Args[0]
 15822  		if v_0.Op != OpS390XMOVDconst {
 15823  			break
 15824  		}
 15825  		d := v_0.AuxInt
 15826  		v.reset(OpS390XMOVDconst)
 15827  		v.AuxInt = c | d
 15828  		return true
 15829  	}
 15830  	return false
 15831  }
 15832  func rewriteValueS390X_OpS390XORconst(v *Value, config *Config) bool {
 15833  	b := v.Block
 15834  	_ = b
 15835  	// match: (ORconst [0] x)
 15836  	// cond:
 15837  	// result: x
 15838  	for {
 15839  		if v.AuxInt != 0 {
 15840  			break
 15841  		}
 15842  		x := v.Args[0]
 15843  		v.reset(OpCopy)
 15844  		v.Type = x.Type
 15845  		v.AddArg(x)
 15846  		return true
 15847  	}
 15848  	// match: (ORconst [-1] _)
 15849  	// cond:
 15850  	// result: (MOVDconst [-1])
 15851  	for {
 15852  		if v.AuxInt != -1 {
 15853  			break
 15854  		}
 15855  		v.reset(OpS390XMOVDconst)
 15856  		v.AuxInt = -1
 15857  		return true
 15858  	}
 15859  	// match: (ORconst [c] (MOVDconst [d]))
 15860  	// cond:
 15861  	// result: (MOVDconst [c|d])
 15862  	for {
 15863  		c := v.AuxInt
 15864  		v_0 := v.Args[0]
 15865  		if v_0.Op != OpS390XMOVDconst {
 15866  			break
 15867  		}
 15868  		d := v_0.AuxInt
 15869  		v.reset(OpS390XMOVDconst)
 15870  		v.AuxInt = c | d
 15871  		return true
 15872  	}
 15873  	return false
 15874  }
 15875  func rewriteValueS390X_OpS390XSLD(v *Value, config *Config) bool {
 15876  	b := v.Block
 15877  	_ = b
 15878  	// match: (SLD x (MOVDconst [c]))
 15879  	// cond:
 15880  	// result: (SLDconst [c&63] x)
 15881  	for {
 15882  		x := v.Args[0]
 15883  		v_1 := v.Args[1]
 15884  		if v_1.Op != OpS390XMOVDconst {
 15885  			break
 15886  		}
 15887  		c := v_1.AuxInt
 15888  		v.reset(OpS390XSLDconst)
 15889  		v.AuxInt = c & 63
 15890  		v.AddArg(x)
 15891  		return true
 15892  	}
 15893  	// match: (SLD x (ANDconst [63] y))
 15894  	// cond:
 15895  	// result: (SLD x y)
 15896  	for {
 15897  		x := v.Args[0]
 15898  		v_1 := v.Args[1]
 15899  		if v_1.Op != OpS390XANDconst {
 15900  			break
 15901  		}
 15902  		if v_1.AuxInt != 63 {
 15903  			break
 15904  		}
 15905  		y := v_1.Args[0]
 15906  		v.reset(OpS390XSLD)
 15907  		v.AddArg(x)
 15908  		v.AddArg(y)
 15909  		return true
 15910  	}
 15911  	return false
 15912  }
 15913  func rewriteValueS390X_OpS390XSLW(v *Value, config *Config) bool {
 15914  	b := v.Block
 15915  	_ = b
 15916  	// match: (SLW x (MOVDconst [c]))
 15917  	// cond:
 15918  	// result: (SLWconst [c&63] x)
 15919  	for {
 15920  		x := v.Args[0]
 15921  		v_1 := v.Args[1]
 15922  		if v_1.Op != OpS390XMOVDconst {
 15923  			break
 15924  		}
 15925  		c := v_1.AuxInt
 15926  		v.reset(OpS390XSLWconst)
 15927  		v.AuxInt = c & 63
 15928  		v.AddArg(x)
 15929  		return true
 15930  	}
 15931  	// match: (SLW x (ANDWconst [63] y))
 15932  	// cond:
 15933  	// result: (SLW x y)
 15934  	for {
 15935  		x := v.Args[0]
 15936  		v_1 := v.Args[1]
 15937  		if v_1.Op != OpS390XANDWconst {
 15938  			break
 15939  		}
 15940  		if v_1.AuxInt != 63 {
 15941  			break
 15942  		}
 15943  		y := v_1.Args[0]
 15944  		v.reset(OpS390XSLW)
 15945  		v.AddArg(x)
 15946  		v.AddArg(y)
 15947  		return true
 15948  	}
 15949  	return false
 15950  }
 15951  func rewriteValueS390X_OpS390XSRAD(v *Value, config *Config) bool {
 15952  	b := v.Block
 15953  	_ = b
 15954  	// match: (SRAD x (MOVDconst [c]))
 15955  	// cond:
 15956  	// result: (SRADconst [c&63] x)
 15957  	for {
 15958  		x := v.Args[0]
 15959  		v_1 := v.Args[1]
 15960  		if v_1.Op != OpS390XMOVDconst {
 15961  			break
 15962  		}
 15963  		c := v_1.AuxInt
 15964  		v.reset(OpS390XSRADconst)
 15965  		v.AuxInt = c & 63
 15966  		v.AddArg(x)
 15967  		return true
 15968  	}
 15969  	// match: (SRAD x (ANDconst [63] y))
 15970  	// cond:
 15971  	// result: (SRAD x y)
 15972  	for {
 15973  		x := v.Args[0]
 15974  		v_1 := v.Args[1]
 15975  		if v_1.Op != OpS390XANDconst {
 15976  			break
 15977  		}
 15978  		if v_1.AuxInt != 63 {
 15979  			break
 15980  		}
 15981  		y := v_1.Args[0]
 15982  		v.reset(OpS390XSRAD)
 15983  		v.AddArg(x)
 15984  		v.AddArg(y)
 15985  		return true
 15986  	}
 15987  	return false
 15988  }
 15989  func rewriteValueS390X_OpS390XSRADconst(v *Value, config *Config) bool {
 15990  	b := v.Block
 15991  	_ = b
 15992  	// match: (SRADconst [c] (MOVDconst [d]))
 15993  	// cond:
 15994  	// result: (MOVDconst [d>>uint64(c)])
 15995  	for {
 15996  		c := v.AuxInt
 15997  		v_0 := v.Args[0]
 15998  		if v_0.Op != OpS390XMOVDconst {
 15999  			break
 16000  		}
 16001  		d := v_0.AuxInt
 16002  		v.reset(OpS390XMOVDconst)
 16003  		v.AuxInt = d >> uint64(c)
 16004  		return true
 16005  	}
 16006  	return false
 16007  }
 16008  func rewriteValueS390X_OpS390XSRAW(v *Value, config *Config) bool {
 16009  	b := v.Block
 16010  	_ = b
 16011  	// match: (SRAW x (MOVDconst [c]))
 16012  	// cond:
 16013  	// result: (SRAWconst [c&63] x)
 16014  	for {
 16015  		x := v.Args[0]
 16016  		v_1 := v.Args[1]
 16017  		if v_1.Op != OpS390XMOVDconst {
 16018  			break
 16019  		}
 16020  		c := v_1.AuxInt
 16021  		v.reset(OpS390XSRAWconst)
 16022  		v.AuxInt = c & 63
 16023  		v.AddArg(x)
 16024  		return true
 16025  	}
 16026  	// match: (SRAW x (ANDWconst [63] y))
 16027  	// cond:
 16028  	// result: (SRAW x y)
 16029  	for {
 16030  		x := v.Args[0]
 16031  		v_1 := v.Args[1]
 16032  		if v_1.Op != OpS390XANDWconst {
 16033  			break
 16034  		}
 16035  		if v_1.AuxInt != 63 {
 16036  			break
 16037  		}
 16038  		y := v_1.Args[0]
 16039  		v.reset(OpS390XSRAW)
 16040  		v.AddArg(x)
 16041  		v.AddArg(y)
 16042  		return true
 16043  	}
 16044  	return false
 16045  }
 16046  func rewriteValueS390X_OpS390XSRAWconst(v *Value, config *Config) bool {
 16047  	b := v.Block
 16048  	_ = b
 16049  	// match: (SRAWconst [c] (MOVDconst [d]))
 16050  	// cond:
 16051  	// result: (MOVDconst [d>>uint64(c)])
 16052  	for {
 16053  		c := v.AuxInt
 16054  		v_0 := v.Args[0]
 16055  		if v_0.Op != OpS390XMOVDconst {
 16056  			break
 16057  		}
 16058  		d := v_0.AuxInt
 16059  		v.reset(OpS390XMOVDconst)
 16060  		v.AuxInt = d >> uint64(c)
 16061  		return true
 16062  	}
 16063  	return false
 16064  }
 16065  func rewriteValueS390X_OpS390XSRD(v *Value, config *Config) bool {
 16066  	b := v.Block
 16067  	_ = b
 16068  	// match: (SRD x (MOVDconst [c]))
 16069  	// cond:
 16070  	// result: (SRDconst [c&63] x)
 16071  	for {
 16072  		x := v.Args[0]
 16073  		v_1 := v.Args[1]
 16074  		if v_1.Op != OpS390XMOVDconst {
 16075  			break
 16076  		}
 16077  		c := v_1.AuxInt
 16078  		v.reset(OpS390XSRDconst)
 16079  		v.AuxInt = c & 63
 16080  		v.AddArg(x)
 16081  		return true
 16082  	}
 16083  	// match: (SRD x (ANDconst [63] y))
 16084  	// cond:
 16085  	// result: (SRD x y)
 16086  	for {
 16087  		x := v.Args[0]
 16088  		v_1 := v.Args[1]
 16089  		if v_1.Op != OpS390XANDconst {
 16090  			break
 16091  		}
 16092  		if v_1.AuxInt != 63 {
 16093  			break
 16094  		}
 16095  		y := v_1.Args[0]
 16096  		v.reset(OpS390XSRD)
 16097  		v.AddArg(x)
 16098  		v.AddArg(y)
 16099  		return true
 16100  	}
 16101  	return false
 16102  }
 16103  func rewriteValueS390X_OpS390XSRW(v *Value, config *Config) bool {
 16104  	b := v.Block
 16105  	_ = b
 16106  	// match: (SRW x (MOVDconst [c]))
 16107  	// cond:
 16108  	// result: (SRWconst [c&63] x)
 16109  	for {
 16110  		x := v.Args[0]
 16111  		v_1 := v.Args[1]
 16112  		if v_1.Op != OpS390XMOVDconst {
 16113  			break
 16114  		}
 16115  		c := v_1.AuxInt
 16116  		v.reset(OpS390XSRWconst)
 16117  		v.AuxInt = c & 63
 16118  		v.AddArg(x)
 16119  		return true
 16120  	}
 16121  	// match: (SRW x (ANDWconst [63] y))
 16122  	// cond:
 16123  	// result: (SRW x y)
 16124  	for {
 16125  		x := v.Args[0]
 16126  		v_1 := v.Args[1]
 16127  		if v_1.Op != OpS390XANDWconst {
 16128  			break
 16129  		}
 16130  		if v_1.AuxInt != 63 {
 16131  			break
 16132  		}
 16133  		y := v_1.Args[0]
 16134  		v.reset(OpS390XSRW)
 16135  		v.AddArg(x)
 16136  		v.AddArg(y)
 16137  		return true
 16138  	}
 16139  	return false
 16140  }
 16141  func rewriteValueS390X_OpS390XSTM2(v *Value, config *Config) bool {
 16142  	b := v.Block
 16143  	_ = b
 16144  	// match: (STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
 16145  	// cond: x.Uses == 1   && is20Bit(i-8)   && clobber(x)
 16146  	// result: (STM4 [i-8] {s} p w0 w1 w2 w3 mem)
 16147  	for {
 16148  		i := v.AuxInt
 16149  		s := v.Aux
 16150  		p := v.Args[0]
 16151  		w2 := v.Args[1]
 16152  		w3 := v.Args[2]
 16153  		x := v.Args[3]
 16154  		if x.Op != OpS390XSTM2 {
 16155  			break
 16156  		}
 16157  		if x.AuxInt != i-8 {
 16158  			break
 16159  		}
 16160  		if x.Aux != s {
 16161  			break
 16162  		}
 16163  		if p != x.Args[0] {
 16164  			break
 16165  		}
 16166  		w0 := x.Args[1]
 16167  		w1 := x.Args[2]
 16168  		mem := x.Args[3]
 16169  		if !(x.Uses == 1 && is20Bit(i-8) && clobber(x)) {
 16170  			break
 16171  		}
 16172  		v.reset(OpS390XSTM4)
 16173  		v.AuxInt = i - 8
 16174  		v.Aux = s
 16175  		v.AddArg(p)
 16176  		v.AddArg(w0)
 16177  		v.AddArg(w1)
 16178  		v.AddArg(w2)
 16179  		v.AddArg(w3)
 16180  		v.AddArg(mem)
 16181  		return true
 16182  	}
 16183  	// match: (STM2 [i] {s} p (SRDconst [32] x) x mem)
 16184  	// cond:
 16185  	// result: (MOVDstore [i] {s} p x mem)
 16186  	for {
 16187  		i := v.AuxInt
 16188  		s := v.Aux
 16189  		p := v.Args[0]
 16190  		v_1 := v.Args[1]
 16191  		if v_1.Op != OpS390XSRDconst {
 16192  			break
 16193  		}
 16194  		if v_1.AuxInt != 32 {
 16195  			break
 16196  		}
 16197  		x := v_1.Args[0]
 16198  		if x != v.Args[2] {
 16199  			break
 16200  		}
 16201  		mem := v.Args[3]
 16202  		v.reset(OpS390XMOVDstore)
 16203  		v.AuxInt = i
 16204  		v.Aux = s
 16205  		v.AddArg(p)
 16206  		v.AddArg(x)
 16207  		v.AddArg(mem)
 16208  		return true
 16209  	}
 16210  	return false
 16211  }
 16212  func rewriteValueS390X_OpS390XSTMG2(v *Value, config *Config) bool {
 16213  	b := v.Block
 16214  	_ = b
 16215  	// match: (STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
 16216  	// cond: x.Uses == 1   && is20Bit(i-16)   && clobber(x)
 16217  	// result: (STMG4 [i-16] {s} p w0 w1 w2 w3 mem)
 16218  	for {
 16219  		i := v.AuxInt
 16220  		s := v.Aux
 16221  		p := v.Args[0]
 16222  		w2 := v.Args[1]
 16223  		w3 := v.Args[2]
 16224  		x := v.Args[3]
 16225  		if x.Op != OpS390XSTMG2 {
 16226  			break
 16227  		}
 16228  		if x.AuxInt != i-16 {
 16229  			break
 16230  		}
 16231  		if x.Aux != s {
 16232  			break
 16233  		}
 16234  		if p != x.Args[0] {
 16235  			break
 16236  		}
 16237  		w0 := x.Args[1]
 16238  		w1 := x.Args[2]
 16239  		mem := x.Args[3]
 16240  		if !(x.Uses == 1 && is20Bit(i-16) && clobber(x)) {
 16241  			break
 16242  		}
 16243  		v.reset(OpS390XSTMG4)
 16244  		v.AuxInt = i - 16
 16245  		v.Aux = s
 16246  		v.AddArg(p)
 16247  		v.AddArg(w0)
 16248  		v.AddArg(w1)
 16249  		v.AddArg(w2)
 16250  		v.AddArg(w3)
 16251  		v.AddArg(mem)
 16252  		return true
 16253  	}
 16254  	return false
 16255  }
 16256  func rewriteValueS390X_OpS390XSUB(v *Value, config *Config) bool {
 16257  	b := v.Block
 16258  	_ = b
 16259  	// match: (SUB x (MOVDconst [c]))
 16260  	// cond: is32Bit(c)
 16261  	// result: (SUBconst x [c])
 16262  	for {
 16263  		x := v.Args[0]
 16264  		v_1 := v.Args[1]
 16265  		if v_1.Op != OpS390XMOVDconst {
 16266  			break
 16267  		}
 16268  		c := v_1.AuxInt
 16269  		if !(is32Bit(c)) {
 16270  			break
 16271  		}
 16272  		v.reset(OpS390XSUBconst)
 16273  		v.AuxInt = c
 16274  		v.AddArg(x)
 16275  		return true
 16276  	}
 16277  	// match: (SUB (MOVDconst [c]) x)
 16278  	// cond: is32Bit(c)
 16279  	// result: (NEG (SUBconst <v.Type> x [c]))
 16280  	for {
 16281  		v_0 := v.Args[0]
 16282  		if v_0.Op != OpS390XMOVDconst {
 16283  			break
 16284  		}
 16285  		c := v_0.AuxInt
 16286  		x := v.Args[1]
 16287  		if !(is32Bit(c)) {
 16288  			break
 16289  		}
 16290  		v.reset(OpS390XNEG)
 16291  		v0 := b.NewValue0(v.Line, OpS390XSUBconst, v.Type)
 16292  		v0.AuxInt = c
 16293  		v0.AddArg(x)
 16294  		v.AddArg(v0)
 16295  		return true
 16296  	}
 16297  	// match: (SUB x x)
 16298  	// cond:
 16299  	// result: (MOVDconst [0])
 16300  	for {
 16301  		x := v.Args[0]
 16302  		if x != v.Args[1] {
 16303  			break
 16304  		}
 16305  		v.reset(OpS390XMOVDconst)
 16306  		v.AuxInt = 0
 16307  		return true
 16308  	}
 16309  	// match: (SUB <t> x g:(MOVDload [off] {sym} ptr mem))
 16310  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16311  	// result: (SUBload <t> [off] {sym} x ptr mem)
 16312  	for {
 16313  		t := v.Type
 16314  		x := v.Args[0]
 16315  		g := v.Args[1]
 16316  		if g.Op != OpS390XMOVDload {
 16317  			break
 16318  		}
 16319  		off := g.AuxInt
 16320  		sym := g.Aux
 16321  		ptr := g.Args[0]
 16322  		mem := g.Args[1]
 16323  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16324  			break
 16325  		}
 16326  		v.reset(OpS390XSUBload)
 16327  		v.Type = t
 16328  		v.AuxInt = off
 16329  		v.Aux = sym
 16330  		v.AddArg(x)
 16331  		v.AddArg(ptr)
 16332  		v.AddArg(mem)
 16333  		return true
 16334  	}
 16335  	return false
 16336  }
 16337  func rewriteValueS390X_OpS390XSUBEWcarrymask(v *Value, config *Config) bool {
 16338  	b := v.Block
 16339  	_ = b
 16340  	// match: (SUBEWcarrymask (FlagEQ))
 16341  	// cond:
 16342  	// result: (MOVDconst [-1])
 16343  	for {
 16344  		v_0 := v.Args[0]
 16345  		if v_0.Op != OpS390XFlagEQ {
 16346  			break
 16347  		}
 16348  		v.reset(OpS390XMOVDconst)
 16349  		v.AuxInt = -1
 16350  		return true
 16351  	}
 16352  	// match: (SUBEWcarrymask (FlagLT))
 16353  	// cond:
 16354  	// result: (MOVDconst [-1])
 16355  	for {
 16356  		v_0 := v.Args[0]
 16357  		if v_0.Op != OpS390XFlagLT {
 16358  			break
 16359  		}
 16360  		v.reset(OpS390XMOVDconst)
 16361  		v.AuxInt = -1
 16362  		return true
 16363  	}
 16364  	// match: (SUBEWcarrymask (FlagGT))
 16365  	// cond:
 16366  	// result: (MOVDconst [0])
 16367  	for {
 16368  		v_0 := v.Args[0]
 16369  		if v_0.Op != OpS390XFlagGT {
 16370  			break
 16371  		}
 16372  		v.reset(OpS390XMOVDconst)
 16373  		v.AuxInt = 0
 16374  		return true
 16375  	}
 16376  	return false
 16377  }
 16378  func rewriteValueS390X_OpS390XSUBEcarrymask(v *Value, config *Config) bool {
 16379  	b := v.Block
 16380  	_ = b
 16381  	// match: (SUBEcarrymask (FlagEQ))
 16382  	// cond:
 16383  	// result: (MOVDconst [-1])
 16384  	for {
 16385  		v_0 := v.Args[0]
 16386  		if v_0.Op != OpS390XFlagEQ {
 16387  			break
 16388  		}
 16389  		v.reset(OpS390XMOVDconst)
 16390  		v.AuxInt = -1
 16391  		return true
 16392  	}
 16393  	// match: (SUBEcarrymask (FlagLT))
 16394  	// cond:
 16395  	// result: (MOVDconst [-1])
 16396  	for {
 16397  		v_0 := v.Args[0]
 16398  		if v_0.Op != OpS390XFlagLT {
 16399  			break
 16400  		}
 16401  		v.reset(OpS390XMOVDconst)
 16402  		v.AuxInt = -1
 16403  		return true
 16404  	}
 16405  	// match: (SUBEcarrymask (FlagGT))
 16406  	// cond:
 16407  	// result: (MOVDconst [0])
 16408  	for {
 16409  		v_0 := v.Args[0]
 16410  		if v_0.Op != OpS390XFlagGT {
 16411  			break
 16412  		}
 16413  		v.reset(OpS390XMOVDconst)
 16414  		v.AuxInt = 0
 16415  		return true
 16416  	}
 16417  	return false
 16418  }
 16419  func rewriteValueS390X_OpS390XSUBW(v *Value, config *Config) bool {
 16420  	b := v.Block
 16421  	_ = b
 16422  	// match: (SUBW x (MOVDconst [c]))
 16423  	// cond:
 16424  	// result: (SUBWconst x [c])
 16425  	for {
 16426  		x := v.Args[0]
 16427  		v_1 := v.Args[1]
 16428  		if v_1.Op != OpS390XMOVDconst {
 16429  			break
 16430  		}
 16431  		c := v_1.AuxInt
 16432  		v.reset(OpS390XSUBWconst)
 16433  		v.AuxInt = c
 16434  		v.AddArg(x)
 16435  		return true
 16436  	}
 16437  	// match: (SUBW (MOVDconst [c]) x)
 16438  	// cond:
 16439  	// result: (NEGW (SUBWconst <v.Type> x [c]))
 16440  	for {
 16441  		v_0 := v.Args[0]
 16442  		if v_0.Op != OpS390XMOVDconst {
 16443  			break
 16444  		}
 16445  		c := v_0.AuxInt
 16446  		x := v.Args[1]
 16447  		v.reset(OpS390XNEGW)
 16448  		v0 := b.NewValue0(v.Line, OpS390XSUBWconst, v.Type)
 16449  		v0.AuxInt = c
 16450  		v0.AddArg(x)
 16451  		v.AddArg(v0)
 16452  		return true
 16453  	}
 16454  	// match: (SUBW x x)
 16455  	// cond:
 16456  	// result: (MOVDconst [0])
 16457  	for {
 16458  		x := v.Args[0]
 16459  		if x != v.Args[1] {
 16460  			break
 16461  		}
 16462  		v.reset(OpS390XMOVDconst)
 16463  		v.AuxInt = 0
 16464  		return true
 16465  	}
 16466  	// match: (SUBW <t> x g:(MOVWload [off] {sym} ptr mem))
 16467  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16468  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16469  	for {
 16470  		t := v.Type
 16471  		x := v.Args[0]
 16472  		g := v.Args[1]
 16473  		if g.Op != OpS390XMOVWload {
 16474  			break
 16475  		}
 16476  		off := g.AuxInt
 16477  		sym := g.Aux
 16478  		ptr := g.Args[0]
 16479  		mem := g.Args[1]
 16480  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16481  			break
 16482  		}
 16483  		v.reset(OpS390XSUBWload)
 16484  		v.Type = t
 16485  		v.AuxInt = off
 16486  		v.Aux = sym
 16487  		v.AddArg(x)
 16488  		v.AddArg(ptr)
 16489  		v.AddArg(mem)
 16490  		return true
 16491  	}
 16492  	// match: (SUBW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16493  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16494  	// result: (SUBWload <t> [off] {sym} x ptr mem)
 16495  	for {
 16496  		t := v.Type
 16497  		x := v.Args[0]
 16498  		g := v.Args[1]
 16499  		if g.Op != OpS390XMOVWZload {
 16500  			break
 16501  		}
 16502  		off := g.AuxInt
 16503  		sym := g.Aux
 16504  		ptr := g.Args[0]
 16505  		mem := g.Args[1]
 16506  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16507  			break
 16508  		}
 16509  		v.reset(OpS390XSUBWload)
 16510  		v.Type = t
 16511  		v.AuxInt = off
 16512  		v.Aux = sym
 16513  		v.AddArg(x)
 16514  		v.AddArg(ptr)
 16515  		v.AddArg(mem)
 16516  		return true
 16517  	}
 16518  	return false
 16519  }
 16520  func rewriteValueS390X_OpS390XSUBWconst(v *Value, config *Config) bool {
 16521  	b := v.Block
 16522  	_ = b
 16523  	// match: (SUBWconst [c] x)
 16524  	// cond: int32(c) == 0
 16525  	// result: x
 16526  	for {
 16527  		c := v.AuxInt
 16528  		x := v.Args[0]
 16529  		if !(int32(c) == 0) {
 16530  			break
 16531  		}
 16532  		v.reset(OpCopy)
 16533  		v.Type = x.Type
 16534  		v.AddArg(x)
 16535  		return true
 16536  	}
 16537  	// match: (SUBWconst [c] x)
 16538  	// cond:
 16539  	// result: (ADDWconst [int64(int32(-c))] x)
 16540  	for {
 16541  		c := v.AuxInt
 16542  		x := v.Args[0]
 16543  		v.reset(OpS390XADDWconst)
 16544  		v.AuxInt = int64(int32(-c))
 16545  		v.AddArg(x)
 16546  		return true
 16547  	}
 16548  }
 16549  func rewriteValueS390X_OpS390XSUBconst(v *Value, config *Config) bool {
 16550  	b := v.Block
 16551  	_ = b
 16552  	// match: (SUBconst [0] x)
 16553  	// cond:
 16554  	// result: x
 16555  	for {
 16556  		if v.AuxInt != 0 {
 16557  			break
 16558  		}
 16559  		x := v.Args[0]
 16560  		v.reset(OpCopy)
 16561  		v.Type = x.Type
 16562  		v.AddArg(x)
 16563  		return true
 16564  	}
 16565  	// match: (SUBconst [c] x)
 16566  	// cond: c != -(1<<31)
 16567  	// result: (ADDconst [-c] x)
 16568  	for {
 16569  		c := v.AuxInt
 16570  		x := v.Args[0]
 16571  		if !(c != -(1 << 31)) {
 16572  			break
 16573  		}
 16574  		v.reset(OpS390XADDconst)
 16575  		v.AuxInt = -c
 16576  		v.AddArg(x)
 16577  		return true
 16578  	}
 16579  	// match: (SUBconst (MOVDconst [d]) [c])
 16580  	// cond:
 16581  	// result: (MOVDconst [d-c])
 16582  	for {
 16583  		c := v.AuxInt
 16584  		v_0 := v.Args[0]
 16585  		if v_0.Op != OpS390XMOVDconst {
 16586  			break
 16587  		}
 16588  		d := v_0.AuxInt
 16589  		v.reset(OpS390XMOVDconst)
 16590  		v.AuxInt = d - c
 16591  		return true
 16592  	}
 16593  	// match: (SUBconst (SUBconst x [d]) [c])
 16594  	// cond: is32Bit(-c-d)
 16595  	// result: (ADDconst [-c-d] x)
 16596  	for {
 16597  		c := v.AuxInt
 16598  		v_0 := v.Args[0]
 16599  		if v_0.Op != OpS390XSUBconst {
 16600  			break
 16601  		}
 16602  		d := v_0.AuxInt
 16603  		x := v_0.Args[0]
 16604  		if !(is32Bit(-c - d)) {
 16605  			break
 16606  		}
 16607  		v.reset(OpS390XADDconst)
 16608  		v.AuxInt = -c - d
 16609  		v.AddArg(x)
 16610  		return true
 16611  	}
 16612  	return false
 16613  }
 16614  func rewriteValueS390X_OpS390XXOR(v *Value, config *Config) bool {
 16615  	b := v.Block
 16616  	_ = b
 16617  	// match: (XOR x (MOVDconst [c]))
 16618  	// cond: isU32Bit(c)
 16619  	// result: (XORconst [c] x)
 16620  	for {
 16621  		x := v.Args[0]
 16622  		v_1 := v.Args[1]
 16623  		if v_1.Op != OpS390XMOVDconst {
 16624  			break
 16625  		}
 16626  		c := v_1.AuxInt
 16627  		if !(isU32Bit(c)) {
 16628  			break
 16629  		}
 16630  		v.reset(OpS390XXORconst)
 16631  		v.AuxInt = c
 16632  		v.AddArg(x)
 16633  		return true
 16634  	}
 16635  	// match: (XOR (MOVDconst [c]) x)
 16636  	// cond: isU32Bit(c)
 16637  	// result: (XORconst [c] x)
 16638  	for {
 16639  		v_0 := v.Args[0]
 16640  		if v_0.Op != OpS390XMOVDconst {
 16641  			break
 16642  		}
 16643  		c := v_0.AuxInt
 16644  		x := v.Args[1]
 16645  		if !(isU32Bit(c)) {
 16646  			break
 16647  		}
 16648  		v.reset(OpS390XXORconst)
 16649  		v.AuxInt = c
 16650  		v.AddArg(x)
 16651  		return true
 16652  	}
 16653  	// match: (XOR (MOVDconst [c]) (MOVDconst [d]))
 16654  	// cond:
 16655  	// result: (MOVDconst [c^d])
 16656  	for {
 16657  		v_0 := v.Args[0]
 16658  		if v_0.Op != OpS390XMOVDconst {
 16659  			break
 16660  		}
 16661  		c := v_0.AuxInt
 16662  		v_1 := v.Args[1]
 16663  		if v_1.Op != OpS390XMOVDconst {
 16664  			break
 16665  		}
 16666  		d := v_1.AuxInt
 16667  		v.reset(OpS390XMOVDconst)
 16668  		v.AuxInt = c ^ d
 16669  		return true
 16670  	}
 16671  	// match: (XOR x x)
 16672  	// cond:
 16673  	// result: (MOVDconst [0])
 16674  	for {
 16675  		x := v.Args[0]
 16676  		if x != v.Args[1] {
 16677  			break
 16678  		}
 16679  		v.reset(OpS390XMOVDconst)
 16680  		v.AuxInt = 0
 16681  		return true
 16682  	}
 16683  	// match: (XOR <t> x g:(MOVDload [off] {sym} ptr mem))
 16684  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16685  	// result: (XORload <t> [off] {sym} x ptr mem)
 16686  	for {
 16687  		t := v.Type
 16688  		x := v.Args[0]
 16689  		g := v.Args[1]
 16690  		if g.Op != OpS390XMOVDload {
 16691  			break
 16692  		}
 16693  		off := g.AuxInt
 16694  		sym := g.Aux
 16695  		ptr := g.Args[0]
 16696  		mem := g.Args[1]
 16697  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16698  			break
 16699  		}
 16700  		v.reset(OpS390XXORload)
 16701  		v.Type = t
 16702  		v.AuxInt = off
 16703  		v.Aux = sym
 16704  		v.AddArg(x)
 16705  		v.AddArg(ptr)
 16706  		v.AddArg(mem)
 16707  		return true
 16708  	}
 16709  	// match: (XOR <t> g:(MOVDload [off] {sym} ptr mem) x)
 16710  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16711  	// result: (XORload <t> [off] {sym} x ptr mem)
 16712  	for {
 16713  		t := v.Type
 16714  		g := v.Args[0]
 16715  		if g.Op != OpS390XMOVDload {
 16716  			break
 16717  		}
 16718  		off := g.AuxInt
 16719  		sym := g.Aux
 16720  		ptr := g.Args[0]
 16721  		mem := g.Args[1]
 16722  		x := v.Args[1]
 16723  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16724  			break
 16725  		}
 16726  		v.reset(OpS390XXORload)
 16727  		v.Type = t
 16728  		v.AuxInt = off
 16729  		v.Aux = sym
 16730  		v.AddArg(x)
 16731  		v.AddArg(ptr)
 16732  		v.AddArg(mem)
 16733  		return true
 16734  	}
 16735  	return false
 16736  }
 16737  func rewriteValueS390X_OpS390XXORW(v *Value, config *Config) bool {
 16738  	b := v.Block
 16739  	_ = b
 16740  	// match: (XORW x (MOVDconst [c]))
 16741  	// cond:
 16742  	// result: (XORWconst [c] x)
 16743  	for {
 16744  		x := v.Args[0]
 16745  		v_1 := v.Args[1]
 16746  		if v_1.Op != OpS390XMOVDconst {
 16747  			break
 16748  		}
 16749  		c := v_1.AuxInt
 16750  		v.reset(OpS390XXORWconst)
 16751  		v.AuxInt = c
 16752  		v.AddArg(x)
 16753  		return true
 16754  	}
 16755  	// match: (XORW (MOVDconst [c]) x)
 16756  	// cond:
 16757  	// result: (XORWconst [c] x)
 16758  	for {
 16759  		v_0 := v.Args[0]
 16760  		if v_0.Op != OpS390XMOVDconst {
 16761  			break
 16762  		}
 16763  		c := v_0.AuxInt
 16764  		x := v.Args[1]
 16765  		v.reset(OpS390XXORWconst)
 16766  		v.AuxInt = c
 16767  		v.AddArg(x)
 16768  		return true
 16769  	}
 16770  	// match: (XORW x x)
 16771  	// cond:
 16772  	// result: (MOVDconst [0])
 16773  	for {
 16774  		x := v.Args[0]
 16775  		if x != v.Args[1] {
 16776  			break
 16777  		}
 16778  		v.reset(OpS390XMOVDconst)
 16779  		v.AuxInt = 0
 16780  		return true
 16781  	}
 16782  	// match: (XORW <t> x g:(MOVWload [off] {sym} ptr mem))
 16783  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16784  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16785  	for {
 16786  		t := v.Type
 16787  		x := v.Args[0]
 16788  		g := v.Args[1]
 16789  		if g.Op != OpS390XMOVWload {
 16790  			break
 16791  		}
 16792  		off := g.AuxInt
 16793  		sym := g.Aux
 16794  		ptr := g.Args[0]
 16795  		mem := g.Args[1]
 16796  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16797  			break
 16798  		}
 16799  		v.reset(OpS390XXORWload)
 16800  		v.Type = t
 16801  		v.AuxInt = off
 16802  		v.Aux = sym
 16803  		v.AddArg(x)
 16804  		v.AddArg(ptr)
 16805  		v.AddArg(mem)
 16806  		return true
 16807  	}
 16808  	// match: (XORW <t> g:(MOVWload [off] {sym} ptr mem) x)
 16809  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16810  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16811  	for {
 16812  		t := v.Type
 16813  		g := v.Args[0]
 16814  		if g.Op != OpS390XMOVWload {
 16815  			break
 16816  		}
 16817  		off := g.AuxInt
 16818  		sym := g.Aux
 16819  		ptr := g.Args[0]
 16820  		mem := g.Args[1]
 16821  		x := v.Args[1]
 16822  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16823  			break
 16824  		}
 16825  		v.reset(OpS390XXORWload)
 16826  		v.Type = t
 16827  		v.AuxInt = off
 16828  		v.Aux = sym
 16829  		v.AddArg(x)
 16830  		v.AddArg(ptr)
 16831  		v.AddArg(mem)
 16832  		return true
 16833  	}
 16834  	// match: (XORW <t> x g:(MOVWZload [off] {sym} ptr mem))
 16835  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16836  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16837  	for {
 16838  		t := v.Type
 16839  		x := v.Args[0]
 16840  		g := v.Args[1]
 16841  		if g.Op != OpS390XMOVWZload {
 16842  			break
 16843  		}
 16844  		off := g.AuxInt
 16845  		sym := g.Aux
 16846  		ptr := g.Args[0]
 16847  		mem := g.Args[1]
 16848  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16849  			break
 16850  		}
 16851  		v.reset(OpS390XXORWload)
 16852  		v.Type = t
 16853  		v.AuxInt = off
 16854  		v.Aux = sym
 16855  		v.AddArg(x)
 16856  		v.AddArg(ptr)
 16857  		v.AddArg(mem)
 16858  		return true
 16859  	}
 16860  	// match: (XORW <t> g:(MOVWZload [off] {sym} ptr mem) x)
 16861  	// cond: g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)
 16862  	// result: (XORWload <t> [off] {sym} x ptr mem)
 16863  	for {
 16864  		t := v.Type
 16865  		g := v.Args[0]
 16866  		if g.Op != OpS390XMOVWZload {
 16867  			break
 16868  		}
 16869  		off := g.AuxInt
 16870  		sym := g.Aux
 16871  		ptr := g.Args[0]
 16872  		mem := g.Args[1]
 16873  		x := v.Args[1]
 16874  		if !(g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g) && clobber(g)) {
 16875  			break
 16876  		}
 16877  		v.reset(OpS390XXORWload)
 16878  		v.Type = t
 16879  		v.AuxInt = off
 16880  		v.Aux = sym
 16881  		v.AddArg(x)
 16882  		v.AddArg(ptr)
 16883  		v.AddArg(mem)
 16884  		return true
 16885  	}
 16886  	return false
 16887  }
 16888  func rewriteValueS390X_OpS390XXORWconst(v *Value, config *Config) bool {
 16889  	b := v.Block
 16890  	_ = b
 16891  	// match: (XORWconst [c] x)
 16892  	// cond: int32(c)==0
 16893  	// result: x
 16894  	for {
 16895  		c := v.AuxInt
 16896  		x := v.Args[0]
 16897  		if !(int32(c) == 0) {
 16898  			break
 16899  		}
 16900  		v.reset(OpCopy)
 16901  		v.Type = x.Type
 16902  		v.AddArg(x)
 16903  		return true
 16904  	}
 16905  	// match: (XORWconst [c] (MOVDconst [d]))
 16906  	// cond:
 16907  	// result: (MOVDconst [c^d])
 16908  	for {
 16909  		c := v.AuxInt
 16910  		v_0 := v.Args[0]
 16911  		if v_0.Op != OpS390XMOVDconst {
 16912  			break
 16913  		}
 16914  		d := v_0.AuxInt
 16915  		v.reset(OpS390XMOVDconst)
 16916  		v.AuxInt = c ^ d
 16917  		return true
 16918  	}
 16919  	return false
 16920  }
 16921  func rewriteValueS390X_OpS390XXORconst(v *Value, config *Config) bool {
 16922  	b := v.Block
 16923  	_ = b
 16924  	// match: (XORconst [0] x)
 16925  	// cond:
 16926  	// result: x
 16927  	for {
 16928  		if v.AuxInt != 0 {
 16929  			break
 16930  		}
 16931  		x := v.Args[0]
 16932  		v.reset(OpCopy)
 16933  		v.Type = x.Type
 16934  		v.AddArg(x)
 16935  		return true
 16936  	}
 16937  	// match: (XORconst [c] (MOVDconst [d]))
 16938  	// cond:
 16939  	// result: (MOVDconst [c^d])
 16940  	for {
 16941  		c := v.AuxInt
 16942  		v_0 := v.Args[0]
 16943  		if v_0.Op != OpS390XMOVDconst {
 16944  			break
 16945  		}
 16946  		d := v_0.AuxInt
 16947  		v.reset(OpS390XMOVDconst)
 16948  		v.AuxInt = c ^ d
 16949  		return true
 16950  	}
 16951  	return false
 16952  }
 16953  func rewriteValueS390X_OpSelect0(v *Value, config *Config) bool {
 16954  	b := v.Block
 16955  	_ = b
 16956  	// match: (Select0 <t> (AddTupleFirst32 tuple val))
 16957  	// cond:
 16958  	// result: (ADDW val (Select0 <t> tuple))
 16959  	for {
 16960  		t := v.Type
 16961  		v_0 := v.Args[0]
 16962  		if v_0.Op != OpS390XAddTupleFirst32 {
 16963  			break
 16964  		}
 16965  		tuple := v_0.Args[0]
 16966  		val := v_0.Args[1]
 16967  		v.reset(OpS390XADDW)
 16968  		v.AddArg(val)
 16969  		v0 := b.NewValue0(v.Line, OpSelect0, t)
 16970  		v0.AddArg(tuple)
 16971  		v.AddArg(v0)
 16972  		return true
 16973  	}
 16974  	// match: (Select0 <t> (AddTupleFirst64 tuple val))
 16975  	// cond:
 16976  	// result: (ADD val (Select0 <t> tuple))
 16977  	for {
 16978  		t := v.Type
 16979  		v_0 := v.Args[0]
 16980  		if v_0.Op != OpS390XAddTupleFirst64 {
 16981  			break
 16982  		}
 16983  		tuple := v_0.Args[0]
 16984  		val := v_0.Args[1]
 16985  		v.reset(OpS390XADD)
 16986  		v.AddArg(val)
 16987  		v0 := b.NewValue0(v.Line, OpSelect0, t)
 16988  		v0.AddArg(tuple)
 16989  		v.AddArg(v0)
 16990  		return true
 16991  	}
 16992  	return false
 16993  }
 16994  func rewriteValueS390X_OpSelect1(v *Value, config *Config) bool {
 16995  	b := v.Block
 16996  	_ = b
 16997  	// match: (Select1     (AddTupleFirst32 tuple _  ))
 16998  	// cond:
 16999  	// result: (Select1 tuple)
 17000  	for {
 17001  		v_0 := v.Args[0]
 17002  		if v_0.Op != OpS390XAddTupleFirst32 {
 17003  			break
 17004  		}
 17005  		tuple := v_0.Args[0]
 17006  		v.reset(OpSelect1)
 17007  		v.AddArg(tuple)
 17008  		return true
 17009  	}
 17010  	// match: (Select1     (AddTupleFirst64 tuple _  ))
 17011  	// cond:
 17012  	// result: (Select1 tuple)
 17013  	for {
 17014  		v_0 := v.Args[0]
 17015  		if v_0.Op != OpS390XAddTupleFirst64 {
 17016  			break
 17017  		}
 17018  		tuple := v_0.Args[0]
 17019  		v.reset(OpSelect1)
 17020  		v.AddArg(tuple)
 17021  		return true
 17022  	}
 17023  	return false
 17024  }
 17025  func rewriteValueS390X_OpSignExt16to32(v *Value, config *Config) bool {
 17026  	b := v.Block
 17027  	_ = b
 17028  	// match: (SignExt16to32 x)
 17029  	// cond:
 17030  	// result: (MOVHreg x)
 17031  	for {
 17032  		x := v.Args[0]
 17033  		v.reset(OpS390XMOVHreg)
 17034  		v.AddArg(x)
 17035  		return true
 17036  	}
 17037  }
 17038  func rewriteValueS390X_OpSignExt16to64(v *Value, config *Config) bool {
 17039  	b := v.Block
 17040  	_ = b
 17041  	// match: (SignExt16to64 x)
 17042  	// cond:
 17043  	// result: (MOVHreg x)
 17044  	for {
 17045  		x := v.Args[0]
 17046  		v.reset(OpS390XMOVHreg)
 17047  		v.AddArg(x)
 17048  		return true
 17049  	}
 17050  }
 17051  func rewriteValueS390X_OpSignExt32to64(v *Value, config *Config) bool {
 17052  	b := v.Block
 17053  	_ = b
 17054  	// match: (SignExt32to64 x)
 17055  	// cond:
 17056  	// result: (MOVWreg x)
 17057  	for {
 17058  		x := v.Args[0]
 17059  		v.reset(OpS390XMOVWreg)
 17060  		v.AddArg(x)
 17061  		return true
 17062  	}
 17063  }
 17064  func rewriteValueS390X_OpSignExt8to16(v *Value, config *Config) bool {
 17065  	b := v.Block
 17066  	_ = b
 17067  	// match: (SignExt8to16  x)
 17068  	// cond:
 17069  	// result: (MOVBreg x)
 17070  	for {
 17071  		x := v.Args[0]
 17072  		v.reset(OpS390XMOVBreg)
 17073  		v.AddArg(x)
 17074  		return true
 17075  	}
 17076  }
 17077  func rewriteValueS390X_OpSignExt8to32(v *Value, config *Config) bool {
 17078  	b := v.Block
 17079  	_ = b
 17080  	// match: (SignExt8to32  x)
 17081  	// cond:
 17082  	// result: (MOVBreg x)
 17083  	for {
 17084  		x := v.Args[0]
 17085  		v.reset(OpS390XMOVBreg)
 17086  		v.AddArg(x)
 17087  		return true
 17088  	}
 17089  }
 17090  func rewriteValueS390X_OpSignExt8to64(v *Value, config *Config) bool {
 17091  	b := v.Block
 17092  	_ = b
 17093  	// match: (SignExt8to64  x)
 17094  	// cond:
 17095  	// result: (MOVBreg x)
 17096  	for {
 17097  		x := v.Args[0]
 17098  		v.reset(OpS390XMOVBreg)
 17099  		v.AddArg(x)
 17100  		return true
 17101  	}
 17102  }
 17103  func rewriteValueS390X_OpSlicemask(v *Value, config *Config) bool {
 17104  	b := v.Block
 17105  	_ = b
 17106  	// match: (Slicemask <t> x)
 17107  	// cond:
 17108  	// result: (XOR (MOVDconst [-1]) (SRADconst <t> (SUBconst <t> x [1]) [63]))
 17109  	for {
 17110  		t := v.Type
 17111  		x := v.Args[0]
 17112  		v.reset(OpS390XXOR)
 17113  		v0 := b.NewValue0(v.Line, OpS390XMOVDconst, config.fe.TypeUInt64())
 17114  		v0.AuxInt = -1
 17115  		v.AddArg(v0)
 17116  		v1 := b.NewValue0(v.Line, OpS390XSRADconst, t)
 17117  		v1.AuxInt = 63
 17118  		v2 := b.NewValue0(v.Line, OpS390XSUBconst, t)
 17119  		v2.AuxInt = 1
 17120  		v2.AddArg(x)
 17121  		v1.AddArg(v2)
 17122  		v.AddArg(v1)
 17123  		return true
 17124  	}
 17125  }
 17126  func rewriteValueS390X_OpSqrt(v *Value, config *Config) bool {
 17127  	b := v.Block
 17128  	_ = b
 17129  	// match: (Sqrt x)
 17130  	// cond:
 17131  	// result: (FSQRT x)
 17132  	for {
 17133  		x := v.Args[0]
 17134  		v.reset(OpS390XFSQRT)
 17135  		v.AddArg(x)
 17136  		return true
 17137  	}
 17138  }
 17139  func rewriteValueS390X_OpStaticCall(v *Value, config *Config) bool {
 17140  	b := v.Block
 17141  	_ = b
 17142  	// match: (StaticCall [argwid] {target} mem)
 17143  	// cond:
 17144  	// result: (CALLstatic [argwid] {target} mem)
 17145  	for {
 17146  		argwid := v.AuxInt
 17147  		target := v.Aux
 17148  		mem := v.Args[0]
 17149  		v.reset(OpS390XCALLstatic)
 17150  		v.AuxInt = argwid
 17151  		v.Aux = target
 17152  		v.AddArg(mem)
 17153  		return true
 17154  	}
 17155  }
 17156  func rewriteValueS390X_OpStore(v *Value, config *Config) bool {
 17157  	b := v.Block
 17158  	_ = b
 17159  	// match: (Store [8] ptr val mem)
 17160  	// cond: is64BitFloat(val.Type)
 17161  	// result: (FMOVDstore ptr val mem)
 17162  	for {
 17163  		if v.AuxInt != 8 {
 17164  			break
 17165  		}
 17166  		ptr := v.Args[0]
 17167  		val := v.Args[1]
 17168  		mem := v.Args[2]
 17169  		if !(is64BitFloat(val.Type)) {
 17170  			break
 17171  		}
 17172  		v.reset(OpS390XFMOVDstore)
 17173  		v.AddArg(ptr)
 17174  		v.AddArg(val)
 17175  		v.AddArg(mem)
 17176  		return true
 17177  	}
 17178  	// match: (Store [4] ptr val mem)
 17179  	// cond: is32BitFloat(val.Type)
 17180  	// result: (FMOVSstore ptr val mem)
 17181  	for {
 17182  		if v.AuxInt != 4 {
 17183  			break
 17184  		}
 17185  		ptr := v.Args[0]
 17186  		val := v.Args[1]
 17187  		mem := v.Args[2]
 17188  		if !(is32BitFloat(val.Type)) {
 17189  			break
 17190  		}
 17191  		v.reset(OpS390XFMOVSstore)
 17192  		v.AddArg(ptr)
 17193  		v.AddArg(val)
 17194  		v.AddArg(mem)
 17195  		return true
 17196  	}
 17197  	// match: (Store [8] ptr val mem)
 17198  	// cond:
 17199  	// result: (MOVDstore ptr val mem)
 17200  	for {
 17201  		if v.AuxInt != 8 {
 17202  			break
 17203  		}
 17204  		ptr := v.Args[0]
 17205  		val := v.Args[1]
 17206  		mem := v.Args[2]
 17207  		v.reset(OpS390XMOVDstore)
 17208  		v.AddArg(ptr)
 17209  		v.AddArg(val)
 17210  		v.AddArg(mem)
 17211  		return true
 17212  	}
 17213  	// match: (Store [4] ptr val mem)
 17214  	// cond:
 17215  	// result: (MOVWstore ptr val mem)
 17216  	for {
 17217  		if v.AuxInt != 4 {
 17218  			break
 17219  		}
 17220  		ptr := v.Args[0]
 17221  		val := v.Args[1]
 17222  		mem := v.Args[2]
 17223  		v.reset(OpS390XMOVWstore)
 17224  		v.AddArg(ptr)
 17225  		v.AddArg(val)
 17226  		v.AddArg(mem)
 17227  		return true
 17228  	}
 17229  	// match: (Store [2] ptr val mem)
 17230  	// cond:
 17231  	// result: (MOVHstore ptr val mem)
 17232  	for {
 17233  		if v.AuxInt != 2 {
 17234  			break
 17235  		}
 17236  		ptr := v.Args[0]
 17237  		val := v.Args[1]
 17238  		mem := v.Args[2]
 17239  		v.reset(OpS390XMOVHstore)
 17240  		v.AddArg(ptr)
 17241  		v.AddArg(val)
 17242  		v.AddArg(mem)
 17243  		return true
 17244  	}
 17245  	// match: (Store [1] ptr val mem)
 17246  	// cond:
 17247  	// result: (MOVBstore ptr val mem)
 17248  	for {
 17249  		if v.AuxInt != 1 {
 17250  			break
 17251  		}
 17252  		ptr := v.Args[0]
 17253  		val := v.Args[1]
 17254  		mem := v.Args[2]
 17255  		v.reset(OpS390XMOVBstore)
 17256  		v.AddArg(ptr)
 17257  		v.AddArg(val)
 17258  		v.AddArg(mem)
 17259  		return true
 17260  	}
 17261  	return false
 17262  }
 17263  func rewriteValueS390X_OpSub16(v *Value, config *Config) bool {
 17264  	b := v.Block
 17265  	_ = b
 17266  	// match: (Sub16  x y)
 17267  	// cond:
 17268  	// result: (SUBW  x y)
 17269  	for {
 17270  		x := v.Args[0]
 17271  		y := v.Args[1]
 17272  		v.reset(OpS390XSUBW)
 17273  		v.AddArg(x)
 17274  		v.AddArg(y)
 17275  		return true
 17276  	}
 17277  }
 17278  func rewriteValueS390X_OpSub32(v *Value, config *Config) bool {
 17279  	b := v.Block
 17280  	_ = b
 17281  	// match: (Sub32  x y)
 17282  	// cond:
 17283  	// result: (SUBW  x y)
 17284  	for {
 17285  		x := v.Args[0]
 17286  		y := v.Args[1]
 17287  		v.reset(OpS390XSUBW)
 17288  		v.AddArg(x)
 17289  		v.AddArg(y)
 17290  		return true
 17291  	}
 17292  }
 17293  func rewriteValueS390X_OpSub32F(v *Value, config *Config) bool {
 17294  	b := v.Block
 17295  	_ = b
 17296  	// match: (Sub32F x y)
 17297  	// cond:
 17298  	// result: (FSUBS x y)
 17299  	for {
 17300  		x := v.Args[0]
 17301  		y := v.Args[1]
 17302  		v.reset(OpS390XFSUBS)
 17303  		v.AddArg(x)
 17304  		v.AddArg(y)
 17305  		return true
 17306  	}
 17307  }
 17308  func rewriteValueS390X_OpSub64(v *Value, config *Config) bool {
 17309  	b := v.Block
 17310  	_ = b
 17311  	// match: (Sub64  x y)
 17312  	// cond:
 17313  	// result: (SUB  x y)
 17314  	for {
 17315  		x := v.Args[0]
 17316  		y := v.Args[1]
 17317  		v.reset(OpS390XSUB)
 17318  		v.AddArg(x)
 17319  		v.AddArg(y)
 17320  		return true
 17321  	}
 17322  }
 17323  func rewriteValueS390X_OpSub64F(v *Value, config *Config) bool {
 17324  	b := v.Block
 17325  	_ = b
 17326  	// match: (Sub64F x y)
 17327  	// cond:
 17328  	// result: (FSUB x y)
 17329  	for {
 17330  		x := v.Args[0]
 17331  		y := v.Args[1]
 17332  		v.reset(OpS390XFSUB)
 17333  		v.AddArg(x)
 17334  		v.AddArg(y)
 17335  		return true
 17336  	}
 17337  }
 17338  func rewriteValueS390X_OpSub8(v *Value, config *Config) bool {
 17339  	b := v.Block
 17340  	_ = b
 17341  	// match: (Sub8   x y)
 17342  	// cond:
 17343  	// result: (SUBW  x y)
 17344  	for {
 17345  		x := v.Args[0]
 17346  		y := v.Args[1]
 17347  		v.reset(OpS390XSUBW)
 17348  		v.AddArg(x)
 17349  		v.AddArg(y)
 17350  		return true
 17351  	}
 17352  }
 17353  func rewriteValueS390X_OpSubPtr(v *Value, config *Config) bool {
 17354  	b := v.Block
 17355  	_ = b
 17356  	// match: (SubPtr x y)
 17357  	// cond:
 17358  	// result: (SUB  x y)
 17359  	for {
 17360  		x := v.Args[0]
 17361  		y := v.Args[1]
 17362  		v.reset(OpS390XSUB)
 17363  		v.AddArg(x)
 17364  		v.AddArg(y)
 17365  		return true
 17366  	}
 17367  }
 17368  func rewriteValueS390X_OpTrunc16to8(v *Value, config *Config) bool {
 17369  	b := v.Block
 17370  	_ = b
 17371  	// match: (Trunc16to8  x)
 17372  	// cond:
 17373  	// result: x
 17374  	for {
 17375  		x := v.Args[0]
 17376  		v.reset(OpCopy)
 17377  		v.Type = x.Type
 17378  		v.AddArg(x)
 17379  		return true
 17380  	}
 17381  }
 17382  func rewriteValueS390X_OpTrunc32to16(v *Value, config *Config) bool {
 17383  	b := v.Block
 17384  	_ = b
 17385  	// match: (Trunc32to16 x)
 17386  	// cond:
 17387  	// result: x
 17388  	for {
 17389  		x := v.Args[0]
 17390  		v.reset(OpCopy)
 17391  		v.Type = x.Type
 17392  		v.AddArg(x)
 17393  		return true
 17394  	}
 17395  }
 17396  func rewriteValueS390X_OpTrunc32to8(v *Value, config *Config) bool {
 17397  	b := v.Block
 17398  	_ = b
 17399  	// match: (Trunc32to8  x)
 17400  	// cond:
 17401  	// result: x
 17402  	for {
 17403  		x := v.Args[0]
 17404  		v.reset(OpCopy)
 17405  		v.Type = x.Type
 17406  		v.AddArg(x)
 17407  		return true
 17408  	}
 17409  }
 17410  func rewriteValueS390X_OpTrunc64to16(v *Value, config *Config) bool {
 17411  	b := v.Block
 17412  	_ = b
 17413  	// match: (Trunc64to16 x)
 17414  	// cond:
 17415  	// result: x
 17416  	for {
 17417  		x := v.Args[0]
 17418  		v.reset(OpCopy)
 17419  		v.Type = x.Type
 17420  		v.AddArg(x)
 17421  		return true
 17422  	}
 17423  }
 17424  func rewriteValueS390X_OpTrunc64to32(v *Value, config *Config) bool {
 17425  	b := v.Block
 17426  	_ = b
 17427  	// match: (Trunc64to32 x)
 17428  	// cond:
 17429  	// result: x
 17430  	for {
 17431  		x := v.Args[0]
 17432  		v.reset(OpCopy)
 17433  		v.Type = x.Type
 17434  		v.AddArg(x)
 17435  		return true
 17436  	}
 17437  }
 17438  func rewriteValueS390X_OpTrunc64to8(v *Value, config *Config) bool {
 17439  	b := v.Block
 17440  	_ = b
 17441  	// match: (Trunc64to8  x)
 17442  	// cond:
 17443  	// result: x
 17444  	for {
 17445  		x := v.Args[0]
 17446  		v.reset(OpCopy)
 17447  		v.Type = x.Type
 17448  		v.AddArg(x)
 17449  		return true
 17450  	}
 17451  }
 17452  func rewriteValueS390X_OpXor16(v *Value, config *Config) bool {
 17453  	b := v.Block
 17454  	_ = b
 17455  	// match: (Xor16 x y)
 17456  	// cond:
 17457  	// result: (XORW x y)
 17458  	for {
 17459  		x := v.Args[0]
 17460  		y := v.Args[1]
 17461  		v.reset(OpS390XXORW)
 17462  		v.AddArg(x)
 17463  		v.AddArg(y)
 17464  		return true
 17465  	}
 17466  }
 17467  func rewriteValueS390X_OpXor32(v *Value, config *Config) bool {
 17468  	b := v.Block
 17469  	_ = b
 17470  	// match: (Xor32 x y)
 17471  	// cond:
 17472  	// result: (XORW x y)
 17473  	for {
 17474  		x := v.Args[0]
 17475  		y := v.Args[1]
 17476  		v.reset(OpS390XXORW)
 17477  		v.AddArg(x)
 17478  		v.AddArg(y)
 17479  		return true
 17480  	}
 17481  }
 17482  func rewriteValueS390X_OpXor64(v *Value, config *Config) bool {
 17483  	b := v.Block
 17484  	_ = b
 17485  	// match: (Xor64 x y)
 17486  	// cond:
 17487  	// result: (XOR x y)
 17488  	for {
 17489  		x := v.Args[0]
 17490  		y := v.Args[1]
 17491  		v.reset(OpS390XXOR)
 17492  		v.AddArg(x)
 17493  		v.AddArg(y)
 17494  		return true
 17495  	}
 17496  }
 17497  func rewriteValueS390X_OpXor8(v *Value, config *Config) bool {
 17498  	b := v.Block
 17499  	_ = b
 17500  	// match: (Xor8  x y)
 17501  	// cond:
 17502  	// result: (XORW x y)
 17503  	for {
 17504  		x := v.Args[0]
 17505  		y := v.Args[1]
 17506  		v.reset(OpS390XXORW)
 17507  		v.AddArg(x)
 17508  		v.AddArg(y)
 17509  		return true
 17510  	}
 17511  }
 17512  func rewriteValueS390X_OpZero(v *Value, config *Config) bool {
 17513  	b := v.Block
 17514  	_ = b
 17515  	// match: (Zero [s] _ mem)
 17516  	// cond: SizeAndAlign(s).Size() == 0
 17517  	// result: mem
 17518  	for {
 17519  		s := v.AuxInt
 17520  		mem := v.Args[1]
 17521  		if !(SizeAndAlign(s).Size() == 0) {
 17522  			break
 17523  		}
 17524  		v.reset(OpCopy)
 17525  		v.Type = mem.Type
 17526  		v.AddArg(mem)
 17527  		return true
 17528  	}
 17529  	// match: (Zero [s] destptr mem)
 17530  	// cond: SizeAndAlign(s).Size() == 1
 17531  	// result: (MOVBstoreconst [0] destptr mem)
 17532  	for {
 17533  		s := v.AuxInt
 17534  		destptr := v.Args[0]
 17535  		mem := v.Args[1]
 17536  		if !(SizeAndAlign(s).Size() == 1) {
 17537  			break
 17538  		}
 17539  		v.reset(OpS390XMOVBstoreconst)
 17540  		v.AuxInt = 0
 17541  		v.AddArg(destptr)
 17542  		v.AddArg(mem)
 17543  		return true
 17544  	}
 17545  	// match: (Zero [s] destptr mem)
 17546  	// cond: SizeAndAlign(s).Size() == 2
 17547  	// result: (MOVHstoreconst [0] destptr mem)
 17548  	for {
 17549  		s := v.AuxInt
 17550  		destptr := v.Args[0]
 17551  		mem := v.Args[1]
 17552  		if !(SizeAndAlign(s).Size() == 2) {
 17553  			break
 17554  		}
 17555  		v.reset(OpS390XMOVHstoreconst)
 17556  		v.AuxInt = 0
 17557  		v.AddArg(destptr)
 17558  		v.AddArg(mem)
 17559  		return true
 17560  	}
 17561  	// match: (Zero [s] destptr mem)
 17562  	// cond: SizeAndAlign(s).Size() == 4
 17563  	// result: (MOVWstoreconst [0] destptr mem)
 17564  	for {
 17565  		s := v.AuxInt
 17566  		destptr := v.Args[0]
 17567  		mem := v.Args[1]
 17568  		if !(SizeAndAlign(s).Size() == 4) {
 17569  			break
 17570  		}
 17571  		v.reset(OpS390XMOVWstoreconst)
 17572  		v.AuxInt = 0
 17573  		v.AddArg(destptr)
 17574  		v.AddArg(mem)
 17575  		return true
 17576  	}
 17577  	// match: (Zero [s] destptr mem)
 17578  	// cond: SizeAndAlign(s).Size() == 8
 17579  	// result: (MOVDstoreconst [0] destptr mem)
 17580  	for {
 17581  		s := v.AuxInt
 17582  		destptr := v.Args[0]
 17583  		mem := v.Args[1]
 17584  		if !(SizeAndAlign(s).Size() == 8) {
 17585  			break
 17586  		}
 17587  		v.reset(OpS390XMOVDstoreconst)
 17588  		v.AuxInt = 0
 17589  		v.AddArg(destptr)
 17590  		v.AddArg(mem)
 17591  		return true
 17592  	}
 17593  	// match: (Zero [s] destptr mem)
 17594  	// cond: SizeAndAlign(s).Size() == 3
 17595  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr 		(MOVHstoreconst [0] destptr mem))
 17596  	for {
 17597  		s := v.AuxInt
 17598  		destptr := v.Args[0]
 17599  		mem := v.Args[1]
 17600  		if !(SizeAndAlign(s).Size() == 3) {
 17601  			break
 17602  		}
 17603  		v.reset(OpS390XMOVBstoreconst)
 17604  		v.AuxInt = makeValAndOff(0, 2)
 17605  		v.AddArg(destptr)
 17606  		v0 := b.NewValue0(v.Line, OpS390XMOVHstoreconst, TypeMem)
 17607  		v0.AuxInt = 0
 17608  		v0.AddArg(destptr)
 17609  		v0.AddArg(mem)
 17610  		v.AddArg(v0)
 17611  		return true
 17612  	}
 17613  	// match: (Zero [s] destptr mem)
 17614  	// cond: SizeAndAlign(s).Size() == 5
 17615  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17616  	for {
 17617  		s := v.AuxInt
 17618  		destptr := v.Args[0]
 17619  		mem := v.Args[1]
 17620  		if !(SizeAndAlign(s).Size() == 5) {
 17621  			break
 17622  		}
 17623  		v.reset(OpS390XMOVBstoreconst)
 17624  		v.AuxInt = makeValAndOff(0, 4)
 17625  		v.AddArg(destptr)
 17626  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17627  		v0.AuxInt = 0
 17628  		v0.AddArg(destptr)
 17629  		v0.AddArg(mem)
 17630  		v.AddArg(v0)
 17631  		return true
 17632  	}
 17633  	// match: (Zero [s] destptr mem)
 17634  	// cond: SizeAndAlign(s).Size() == 6
 17635  	// result: (MOVHstoreconst [makeValAndOff(0,4)] destptr 		(MOVWstoreconst [0] destptr mem))
 17636  	for {
 17637  		s := v.AuxInt
 17638  		destptr := v.Args[0]
 17639  		mem := v.Args[1]
 17640  		if !(SizeAndAlign(s).Size() == 6) {
 17641  			break
 17642  		}
 17643  		v.reset(OpS390XMOVHstoreconst)
 17644  		v.AuxInt = makeValAndOff(0, 4)
 17645  		v.AddArg(destptr)
 17646  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17647  		v0.AuxInt = 0
 17648  		v0.AddArg(destptr)
 17649  		v0.AddArg(mem)
 17650  		v.AddArg(v0)
 17651  		return true
 17652  	}
 17653  	// match: (Zero [s] destptr mem)
 17654  	// cond: SizeAndAlign(s).Size() == 7
 17655  	// result: (MOVWstoreconst [makeValAndOff(0,3)] destptr 		(MOVWstoreconst [0] destptr mem))
 17656  	for {
 17657  		s := v.AuxInt
 17658  		destptr := v.Args[0]
 17659  		mem := v.Args[1]
 17660  		if !(SizeAndAlign(s).Size() == 7) {
 17661  			break
 17662  		}
 17663  		v.reset(OpS390XMOVWstoreconst)
 17664  		v.AuxInt = makeValAndOff(0, 3)
 17665  		v.AddArg(destptr)
 17666  		v0 := b.NewValue0(v.Line, OpS390XMOVWstoreconst, TypeMem)
 17667  		v0.AuxInt = 0
 17668  		v0.AddArg(destptr)
 17669  		v0.AddArg(mem)
 17670  		v.AddArg(v0)
 17671  		return true
 17672  	}
 17673  	// match: (Zero [s] destptr mem)
 17674  	// cond: SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024
 17675  	// result: (CLEAR [makeValAndOff(SizeAndAlign(s).Size(), 0)] destptr mem)
 17676  	for {
 17677  		s := v.AuxInt
 17678  		destptr := v.Args[0]
 17679  		mem := v.Args[1]
 17680  		if !(SizeAndAlign(s).Size() > 0 && SizeAndAlign(s).Size() <= 1024) {
 17681  			break
 17682  		}
 17683  		v.reset(OpS390XCLEAR)
 17684  		v.AuxInt = makeValAndOff(SizeAndAlign(s).Size(), 0)
 17685  		v.AddArg(destptr)
 17686  		v.AddArg(mem)
 17687  		return true
 17688  	}
 17689  	// match: (Zero [s] destptr mem)
 17690  	// cond: SizeAndAlign(s).Size() > 1024
 17691  	// result: (LoweredZero [SizeAndAlign(s).Size()%256] destptr (ADDconst <destptr.Type> destptr [(SizeAndAlign(s).Size()/256)*256]) mem)
 17692  	for {
 17693  		s := v.AuxInt
 17694  		destptr := v.Args[0]
 17695  		mem := v.Args[1]
 17696  		if !(SizeAndAlign(s).Size() > 1024) {
 17697  			break
 17698  		}
 17699  		v.reset(OpS390XLoweredZero)
 17700  		v.AuxInt = SizeAndAlign(s).Size() % 256
 17701  		v.AddArg(destptr)
 17702  		v0 := b.NewValue0(v.Line, OpS390XADDconst, destptr.Type)
 17703  		v0.AuxInt = (SizeAndAlign(s).Size() / 256) * 256
 17704  		v0.AddArg(destptr)
 17705  		v.AddArg(v0)
 17706  		v.AddArg(mem)
 17707  		return true
 17708  	}
 17709  	return false
 17710  }
 17711  func rewriteValueS390X_OpZeroExt16to32(v *Value, config *Config) bool {
 17712  	b := v.Block
 17713  	_ = b
 17714  	// match: (ZeroExt16to32 x)
 17715  	// cond:
 17716  	// result: (MOVHZreg x)
 17717  	for {
 17718  		x := v.Args[0]
 17719  		v.reset(OpS390XMOVHZreg)
 17720  		v.AddArg(x)
 17721  		return true
 17722  	}
 17723  }
 17724  func rewriteValueS390X_OpZeroExt16to64(v *Value, config *Config) bool {
 17725  	b := v.Block
 17726  	_ = b
 17727  	// match: (ZeroExt16to64 x)
 17728  	// cond:
 17729  	// result: (MOVHZreg x)
 17730  	for {
 17731  		x := v.Args[0]
 17732  		v.reset(OpS390XMOVHZreg)
 17733  		v.AddArg(x)
 17734  		return true
 17735  	}
 17736  }
 17737  func rewriteValueS390X_OpZeroExt32to64(v *Value, config *Config) bool {
 17738  	b := v.Block
 17739  	_ = b
 17740  	// match: (ZeroExt32to64 x)
 17741  	// cond:
 17742  	// result: (MOVWZreg x)
 17743  	for {
 17744  		x := v.Args[0]
 17745  		v.reset(OpS390XMOVWZreg)
 17746  		v.AddArg(x)
 17747  		return true
 17748  	}
 17749  }
 17750  func rewriteValueS390X_OpZeroExt8to16(v *Value, config *Config) bool {
 17751  	b := v.Block
 17752  	_ = b
 17753  	// match: (ZeroExt8to16  x)
 17754  	// cond:
 17755  	// result: (MOVBZreg x)
 17756  	for {
 17757  		x := v.Args[0]
 17758  		v.reset(OpS390XMOVBZreg)
 17759  		v.AddArg(x)
 17760  		return true
 17761  	}
 17762  }
 17763  func rewriteValueS390X_OpZeroExt8to32(v *Value, config *Config) bool {
 17764  	b := v.Block
 17765  	_ = b
 17766  	// match: (ZeroExt8to32  x)
 17767  	// cond:
 17768  	// result: (MOVBZreg x)
 17769  	for {
 17770  		x := v.Args[0]
 17771  		v.reset(OpS390XMOVBZreg)
 17772  		v.AddArg(x)
 17773  		return true
 17774  	}
 17775  }
 17776  func rewriteValueS390X_OpZeroExt8to64(v *Value, config *Config) bool {
 17777  	b := v.Block
 17778  	_ = b
 17779  	// match: (ZeroExt8to64  x)
 17780  	// cond:
 17781  	// result: (MOVBZreg x)
 17782  	for {
 17783  		x := v.Args[0]
 17784  		v.reset(OpS390XMOVBZreg)
 17785  		v.AddArg(x)
 17786  		return true
 17787  	}
 17788  }
 17789  func rewriteBlockS390X(b *Block, config *Config) bool {
 17790  	switch b.Kind {
 17791  	case BlockS390XEQ:
 17792  		// match: (EQ (InvertFlags cmp) yes no)
 17793  		// cond:
 17794  		// result: (EQ cmp yes no)
 17795  		for {
 17796  			v := b.Control
 17797  			if v.Op != OpS390XInvertFlags {
 17798  				break
 17799  			}
 17800  			cmp := v.Args[0]
 17801  			yes := b.Succs[0]
 17802  			no := b.Succs[1]
 17803  			b.Kind = BlockS390XEQ
 17804  			b.SetControl(cmp)
 17805  			_ = yes
 17806  			_ = no
 17807  			return true
 17808  		}
 17809  		// match: (EQ (FlagEQ) yes no)
 17810  		// cond:
 17811  		// result: (First nil yes no)
 17812  		for {
 17813  			v := b.Control
 17814  			if v.Op != OpS390XFlagEQ {
 17815  				break
 17816  			}
 17817  			yes := b.Succs[0]
 17818  			no := b.Succs[1]
 17819  			b.Kind = BlockFirst
 17820  			b.SetControl(nil)
 17821  			_ = yes
 17822  			_ = no
 17823  			return true
 17824  		}
 17825  		// match: (EQ (FlagLT) yes no)
 17826  		// cond:
 17827  		// result: (First nil no yes)
 17828  		for {
 17829  			v := b.Control
 17830  			if v.Op != OpS390XFlagLT {
 17831  				break
 17832  			}
 17833  			yes := b.Succs[0]
 17834  			no := b.Succs[1]
 17835  			b.Kind = BlockFirst
 17836  			b.SetControl(nil)
 17837  			b.swapSuccessors()
 17838  			_ = no
 17839  			_ = yes
 17840  			return true
 17841  		}
 17842  		// match: (EQ (FlagGT) yes no)
 17843  		// cond:
 17844  		// result: (First nil no yes)
 17845  		for {
 17846  			v := b.Control
 17847  			if v.Op != OpS390XFlagGT {
 17848  				break
 17849  			}
 17850  			yes := b.Succs[0]
 17851  			no := b.Succs[1]
 17852  			b.Kind = BlockFirst
 17853  			b.SetControl(nil)
 17854  			b.swapSuccessors()
 17855  			_ = no
 17856  			_ = yes
 17857  			return true
 17858  		}
 17859  	case BlockS390XGE:
 17860  		// match: (GE (InvertFlags cmp) yes no)
 17861  		// cond:
 17862  		// result: (LE cmp yes no)
 17863  		for {
 17864  			v := b.Control
 17865  			if v.Op != OpS390XInvertFlags {
 17866  				break
 17867  			}
 17868  			cmp := v.Args[0]
 17869  			yes := b.Succs[0]
 17870  			no := b.Succs[1]
 17871  			b.Kind = BlockS390XLE
 17872  			b.SetControl(cmp)
 17873  			_ = yes
 17874  			_ = no
 17875  			return true
 17876  		}
 17877  		// match: (GE (FlagEQ) yes no)
 17878  		// cond:
 17879  		// result: (First nil yes no)
 17880  		for {
 17881  			v := b.Control
 17882  			if v.Op != OpS390XFlagEQ {
 17883  				break
 17884  			}
 17885  			yes := b.Succs[0]
 17886  			no := b.Succs[1]
 17887  			b.Kind = BlockFirst
 17888  			b.SetControl(nil)
 17889  			_ = yes
 17890  			_ = no
 17891  			return true
 17892  		}
 17893  		// match: (GE (FlagLT) yes no)
 17894  		// cond:
 17895  		// result: (First nil no yes)
 17896  		for {
 17897  			v := b.Control
 17898  			if v.Op != OpS390XFlagLT {
 17899  				break
 17900  			}
 17901  			yes := b.Succs[0]
 17902  			no := b.Succs[1]
 17903  			b.Kind = BlockFirst
 17904  			b.SetControl(nil)
 17905  			b.swapSuccessors()
 17906  			_ = no
 17907  			_ = yes
 17908  			return true
 17909  		}
 17910  		// match: (GE (FlagGT) yes no)
 17911  		// cond:
 17912  		// result: (First nil yes no)
 17913  		for {
 17914  			v := b.Control
 17915  			if v.Op != OpS390XFlagGT {
 17916  				break
 17917  			}
 17918  			yes := b.Succs[0]
 17919  			no := b.Succs[1]
 17920  			b.Kind = BlockFirst
 17921  			b.SetControl(nil)
 17922  			_ = yes
 17923  			_ = no
 17924  			return true
 17925  		}
 17926  	case BlockS390XGT:
 17927  		// match: (GT (InvertFlags cmp) yes no)
 17928  		// cond:
 17929  		// result: (LT cmp yes no)
 17930  		for {
 17931  			v := b.Control
 17932  			if v.Op != OpS390XInvertFlags {
 17933  				break
 17934  			}
 17935  			cmp := v.Args[0]
 17936  			yes := b.Succs[0]
 17937  			no := b.Succs[1]
 17938  			b.Kind = BlockS390XLT
 17939  			b.SetControl(cmp)
 17940  			_ = yes
 17941  			_ = no
 17942  			return true
 17943  		}
 17944  		// match: (GT (FlagEQ) yes no)
 17945  		// cond:
 17946  		// result: (First nil no yes)
 17947  		for {
 17948  			v := b.Control
 17949  			if v.Op != OpS390XFlagEQ {
 17950  				break
 17951  			}
 17952  			yes := b.Succs[0]
 17953  			no := b.Succs[1]
 17954  			b.Kind = BlockFirst
 17955  			b.SetControl(nil)
 17956  			b.swapSuccessors()
 17957  			_ = no
 17958  			_ = yes
 17959  			return true
 17960  		}
 17961  		// match: (GT (FlagLT) yes no)
 17962  		// cond:
 17963  		// result: (First nil no yes)
 17964  		for {
 17965  			v := b.Control
 17966  			if v.Op != OpS390XFlagLT {
 17967  				break
 17968  			}
 17969  			yes := b.Succs[0]
 17970  			no := b.Succs[1]
 17971  			b.Kind = BlockFirst
 17972  			b.SetControl(nil)
 17973  			b.swapSuccessors()
 17974  			_ = no
 17975  			_ = yes
 17976  			return true
 17977  		}
 17978  		// match: (GT (FlagGT) yes no)
 17979  		// cond:
 17980  		// result: (First nil yes no)
 17981  		for {
 17982  			v := b.Control
 17983  			if v.Op != OpS390XFlagGT {
 17984  				break
 17985  			}
 17986  			yes := b.Succs[0]
 17987  			no := b.Succs[1]
 17988  			b.Kind = BlockFirst
 17989  			b.SetControl(nil)
 17990  			_ = yes
 17991  			_ = no
 17992  			return true
 17993  		}
 17994  	case BlockIf:
 17995  		// match: (If (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 17996  		// cond:
 17997  		// result: (LT cmp yes no)
 17998  		for {
 17999  			v := b.Control
 18000  			if v.Op != OpS390XMOVDLT {
 18001  				break
 18002  			}
 18003  			v_0 := v.Args[0]
 18004  			if v_0.Op != OpS390XMOVDconst {
 18005  				break
 18006  			}
 18007  			if v_0.AuxInt != 0 {
 18008  				break
 18009  			}
 18010  			v_1 := v.Args[1]
 18011  			if v_1.Op != OpS390XMOVDconst {
 18012  				break
 18013  			}
 18014  			if v_1.AuxInt != 1 {
 18015  				break
 18016  			}
 18017  			cmp := v.Args[2]
 18018  			yes := b.Succs[0]
 18019  			no := b.Succs[1]
 18020  			b.Kind = BlockS390XLT
 18021  			b.SetControl(cmp)
 18022  			_ = yes
 18023  			_ = no
 18024  			return true
 18025  		}
 18026  		// match: (If (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18027  		// cond:
 18028  		// result: (LE cmp yes no)
 18029  		for {
 18030  			v := b.Control
 18031  			if v.Op != OpS390XMOVDLE {
 18032  				break
 18033  			}
 18034  			v_0 := v.Args[0]
 18035  			if v_0.Op != OpS390XMOVDconst {
 18036  				break
 18037  			}
 18038  			if v_0.AuxInt != 0 {
 18039  				break
 18040  			}
 18041  			v_1 := v.Args[1]
 18042  			if v_1.Op != OpS390XMOVDconst {
 18043  				break
 18044  			}
 18045  			if v_1.AuxInt != 1 {
 18046  				break
 18047  			}
 18048  			cmp := v.Args[2]
 18049  			yes := b.Succs[0]
 18050  			no := b.Succs[1]
 18051  			b.Kind = BlockS390XLE
 18052  			b.SetControl(cmp)
 18053  			_ = yes
 18054  			_ = no
 18055  			return true
 18056  		}
 18057  		// match: (If (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18058  		// cond:
 18059  		// result: (GT cmp yes no)
 18060  		for {
 18061  			v := b.Control
 18062  			if v.Op != OpS390XMOVDGT {
 18063  				break
 18064  			}
 18065  			v_0 := v.Args[0]
 18066  			if v_0.Op != OpS390XMOVDconst {
 18067  				break
 18068  			}
 18069  			if v_0.AuxInt != 0 {
 18070  				break
 18071  			}
 18072  			v_1 := v.Args[1]
 18073  			if v_1.Op != OpS390XMOVDconst {
 18074  				break
 18075  			}
 18076  			if v_1.AuxInt != 1 {
 18077  				break
 18078  			}
 18079  			cmp := v.Args[2]
 18080  			yes := b.Succs[0]
 18081  			no := b.Succs[1]
 18082  			b.Kind = BlockS390XGT
 18083  			b.SetControl(cmp)
 18084  			_ = yes
 18085  			_ = no
 18086  			return true
 18087  		}
 18088  		// match: (If (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18089  		// cond:
 18090  		// result: (GE cmp yes no)
 18091  		for {
 18092  			v := b.Control
 18093  			if v.Op != OpS390XMOVDGE {
 18094  				break
 18095  			}
 18096  			v_0 := v.Args[0]
 18097  			if v_0.Op != OpS390XMOVDconst {
 18098  				break
 18099  			}
 18100  			if v_0.AuxInt != 0 {
 18101  				break
 18102  			}
 18103  			v_1 := v.Args[1]
 18104  			if v_1.Op != OpS390XMOVDconst {
 18105  				break
 18106  			}
 18107  			if v_1.AuxInt != 1 {
 18108  				break
 18109  			}
 18110  			cmp := v.Args[2]
 18111  			yes := b.Succs[0]
 18112  			no := b.Succs[1]
 18113  			b.Kind = BlockS390XGE
 18114  			b.SetControl(cmp)
 18115  			_ = yes
 18116  			_ = no
 18117  			return true
 18118  		}
 18119  		// match: (If (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18120  		// cond:
 18121  		// result: (EQ cmp yes no)
 18122  		for {
 18123  			v := b.Control
 18124  			if v.Op != OpS390XMOVDEQ {
 18125  				break
 18126  			}
 18127  			v_0 := v.Args[0]
 18128  			if v_0.Op != OpS390XMOVDconst {
 18129  				break
 18130  			}
 18131  			if v_0.AuxInt != 0 {
 18132  				break
 18133  			}
 18134  			v_1 := v.Args[1]
 18135  			if v_1.Op != OpS390XMOVDconst {
 18136  				break
 18137  			}
 18138  			if v_1.AuxInt != 1 {
 18139  				break
 18140  			}
 18141  			cmp := v.Args[2]
 18142  			yes := b.Succs[0]
 18143  			no := b.Succs[1]
 18144  			b.Kind = BlockS390XEQ
 18145  			b.SetControl(cmp)
 18146  			_ = yes
 18147  			_ = no
 18148  			return true
 18149  		}
 18150  		// match: (If (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18151  		// cond:
 18152  		// result: (NE cmp yes no)
 18153  		for {
 18154  			v := b.Control
 18155  			if v.Op != OpS390XMOVDNE {
 18156  				break
 18157  			}
 18158  			v_0 := v.Args[0]
 18159  			if v_0.Op != OpS390XMOVDconst {
 18160  				break
 18161  			}
 18162  			if v_0.AuxInt != 0 {
 18163  				break
 18164  			}
 18165  			v_1 := v.Args[1]
 18166  			if v_1.Op != OpS390XMOVDconst {
 18167  				break
 18168  			}
 18169  			if v_1.AuxInt != 1 {
 18170  				break
 18171  			}
 18172  			cmp := v.Args[2]
 18173  			yes := b.Succs[0]
 18174  			no := b.Succs[1]
 18175  			b.Kind = BlockS390XNE
 18176  			b.SetControl(cmp)
 18177  			_ = yes
 18178  			_ = no
 18179  			return true
 18180  		}
 18181  		// match: (If (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18182  		// cond:
 18183  		// result: (GTF cmp yes no)
 18184  		for {
 18185  			v := b.Control
 18186  			if v.Op != OpS390XMOVDGTnoinv {
 18187  				break
 18188  			}
 18189  			v_0 := v.Args[0]
 18190  			if v_0.Op != OpS390XMOVDconst {
 18191  				break
 18192  			}
 18193  			if v_0.AuxInt != 0 {
 18194  				break
 18195  			}
 18196  			v_1 := v.Args[1]
 18197  			if v_1.Op != OpS390XMOVDconst {
 18198  				break
 18199  			}
 18200  			if v_1.AuxInt != 1 {
 18201  				break
 18202  			}
 18203  			cmp := v.Args[2]
 18204  			yes := b.Succs[0]
 18205  			no := b.Succs[1]
 18206  			b.Kind = BlockS390XGTF
 18207  			b.SetControl(cmp)
 18208  			_ = yes
 18209  			_ = no
 18210  			return true
 18211  		}
 18212  		// match: (If (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp) yes no)
 18213  		// cond:
 18214  		// result: (GEF cmp yes no)
 18215  		for {
 18216  			v := b.Control
 18217  			if v.Op != OpS390XMOVDGEnoinv {
 18218  				break
 18219  			}
 18220  			v_0 := v.Args[0]
 18221  			if v_0.Op != OpS390XMOVDconst {
 18222  				break
 18223  			}
 18224  			if v_0.AuxInt != 0 {
 18225  				break
 18226  			}
 18227  			v_1 := v.Args[1]
 18228  			if v_1.Op != OpS390XMOVDconst {
 18229  				break
 18230  			}
 18231  			if v_1.AuxInt != 1 {
 18232  				break
 18233  			}
 18234  			cmp := v.Args[2]
 18235  			yes := b.Succs[0]
 18236  			no := b.Succs[1]
 18237  			b.Kind = BlockS390XGEF
 18238  			b.SetControl(cmp)
 18239  			_ = yes
 18240  			_ = no
 18241  			return true
 18242  		}
 18243  		// match: (If cond yes no)
 18244  		// cond:
 18245  		// result: (NE (CMPWconst [0] (MOVBZreg <config.fe.TypeBool()> cond)) yes no)
 18246  		for {
 18247  			v := b.Control
 18248  			_ = v
 18249  			cond := b.Control
 18250  			yes := b.Succs[0]
 18251  			no := b.Succs[1]
 18252  			b.Kind = BlockS390XNE
 18253  			v0 := b.NewValue0(v.Line, OpS390XCMPWconst, TypeFlags)
 18254  			v0.AuxInt = 0
 18255  			v1 := b.NewValue0(v.Line, OpS390XMOVBZreg, config.fe.TypeBool())
 18256  			v1.AddArg(cond)
 18257  			v0.AddArg(v1)
 18258  			b.SetControl(v0)
 18259  			_ = yes
 18260  			_ = no
 18261  			return true
 18262  		}
 18263  	case BlockS390XLE:
 18264  		// match: (LE (InvertFlags cmp) yes no)
 18265  		// cond:
 18266  		// result: (GE cmp yes no)
 18267  		for {
 18268  			v := b.Control
 18269  			if v.Op != OpS390XInvertFlags {
 18270  				break
 18271  			}
 18272  			cmp := v.Args[0]
 18273  			yes := b.Succs[0]
 18274  			no := b.Succs[1]
 18275  			b.Kind = BlockS390XGE
 18276  			b.SetControl(cmp)
 18277  			_ = yes
 18278  			_ = no
 18279  			return true
 18280  		}
 18281  		// match: (LE (FlagEQ) yes no)
 18282  		// cond:
 18283  		// result: (First nil yes no)
 18284  		for {
 18285  			v := b.Control
 18286  			if v.Op != OpS390XFlagEQ {
 18287  				break
 18288  			}
 18289  			yes := b.Succs[0]
 18290  			no := b.Succs[1]
 18291  			b.Kind = BlockFirst
 18292  			b.SetControl(nil)
 18293  			_ = yes
 18294  			_ = no
 18295  			return true
 18296  		}
 18297  		// match: (LE (FlagLT) yes no)
 18298  		// cond:
 18299  		// result: (First nil yes no)
 18300  		for {
 18301  			v := b.Control
 18302  			if v.Op != OpS390XFlagLT {
 18303  				break
 18304  			}
 18305  			yes := b.Succs[0]
 18306  			no := b.Succs[1]
 18307  			b.Kind = BlockFirst
 18308  			b.SetControl(nil)
 18309  			_ = yes
 18310  			_ = no
 18311  			return true
 18312  		}
 18313  		// match: (LE (FlagGT) yes no)
 18314  		// cond:
 18315  		// result: (First nil no yes)
 18316  		for {
 18317  			v := b.Control
 18318  			if v.Op != OpS390XFlagGT {
 18319  				break
 18320  			}
 18321  			yes := b.Succs[0]
 18322  			no := b.Succs[1]
 18323  			b.Kind = BlockFirst
 18324  			b.SetControl(nil)
 18325  			b.swapSuccessors()
 18326  			_ = no
 18327  			_ = yes
 18328  			return true
 18329  		}
 18330  	case BlockS390XLT:
 18331  		// match: (LT (InvertFlags cmp) yes no)
 18332  		// cond:
 18333  		// result: (GT cmp yes no)
 18334  		for {
 18335  			v := b.Control
 18336  			if v.Op != OpS390XInvertFlags {
 18337  				break
 18338  			}
 18339  			cmp := v.Args[0]
 18340  			yes := b.Succs[0]
 18341  			no := b.Succs[1]
 18342  			b.Kind = BlockS390XGT
 18343  			b.SetControl(cmp)
 18344  			_ = yes
 18345  			_ = no
 18346  			return true
 18347  		}
 18348  		// match: (LT (FlagEQ) yes no)
 18349  		// cond:
 18350  		// result: (First nil no yes)
 18351  		for {
 18352  			v := b.Control
 18353  			if v.Op != OpS390XFlagEQ {
 18354  				break
 18355  			}
 18356  			yes := b.Succs[0]
 18357  			no := b.Succs[1]
 18358  			b.Kind = BlockFirst
 18359  			b.SetControl(nil)
 18360  			b.swapSuccessors()
 18361  			_ = no
 18362  			_ = yes
 18363  			return true
 18364  		}
 18365  		// match: (LT (FlagLT) yes no)
 18366  		// cond:
 18367  		// result: (First nil yes no)
 18368  		for {
 18369  			v := b.Control
 18370  			if v.Op != OpS390XFlagLT {
 18371  				break
 18372  			}
 18373  			yes := b.Succs[0]
 18374  			no := b.Succs[1]
 18375  			b.Kind = BlockFirst
 18376  			b.SetControl(nil)
 18377  			_ = yes
 18378  			_ = no
 18379  			return true
 18380  		}
 18381  		// match: (LT (FlagGT) yes no)
 18382  		// cond:
 18383  		// result: (First nil no yes)
 18384  		for {
 18385  			v := b.Control
 18386  			if v.Op != OpS390XFlagGT {
 18387  				break
 18388  			}
 18389  			yes := b.Succs[0]
 18390  			no := b.Succs[1]
 18391  			b.Kind = BlockFirst
 18392  			b.SetControl(nil)
 18393  			b.swapSuccessors()
 18394  			_ = no
 18395  			_ = yes
 18396  			return true
 18397  		}
 18398  	case BlockS390XNE:
 18399  		// match: (NE (CMPWconst [0] (MOVDLT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18400  		// cond:
 18401  		// result: (LT cmp yes no)
 18402  		for {
 18403  			v := b.Control
 18404  			if v.Op != OpS390XCMPWconst {
 18405  				break
 18406  			}
 18407  			if v.AuxInt != 0 {
 18408  				break
 18409  			}
 18410  			v_0 := v.Args[0]
 18411  			if v_0.Op != OpS390XMOVDLT {
 18412  				break
 18413  			}
 18414  			v_0_0 := v_0.Args[0]
 18415  			if v_0_0.Op != OpS390XMOVDconst {
 18416  				break
 18417  			}
 18418  			if v_0_0.AuxInt != 0 {
 18419  				break
 18420  			}
 18421  			v_0_1 := v_0.Args[1]
 18422  			if v_0_1.Op != OpS390XMOVDconst {
 18423  				break
 18424  			}
 18425  			if v_0_1.AuxInt != 1 {
 18426  				break
 18427  			}
 18428  			cmp := v_0.Args[2]
 18429  			yes := b.Succs[0]
 18430  			no := b.Succs[1]
 18431  			b.Kind = BlockS390XLT
 18432  			b.SetControl(cmp)
 18433  			_ = yes
 18434  			_ = no
 18435  			return true
 18436  		}
 18437  		// match: (NE (CMPWconst [0] (MOVDLE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18438  		// cond:
 18439  		// result: (LE cmp yes no)
 18440  		for {
 18441  			v := b.Control
 18442  			if v.Op != OpS390XCMPWconst {
 18443  				break
 18444  			}
 18445  			if v.AuxInt != 0 {
 18446  				break
 18447  			}
 18448  			v_0 := v.Args[0]
 18449  			if v_0.Op != OpS390XMOVDLE {
 18450  				break
 18451  			}
 18452  			v_0_0 := v_0.Args[0]
 18453  			if v_0_0.Op != OpS390XMOVDconst {
 18454  				break
 18455  			}
 18456  			if v_0_0.AuxInt != 0 {
 18457  				break
 18458  			}
 18459  			v_0_1 := v_0.Args[1]
 18460  			if v_0_1.Op != OpS390XMOVDconst {
 18461  				break
 18462  			}
 18463  			if v_0_1.AuxInt != 1 {
 18464  				break
 18465  			}
 18466  			cmp := v_0.Args[2]
 18467  			yes := b.Succs[0]
 18468  			no := b.Succs[1]
 18469  			b.Kind = BlockS390XLE
 18470  			b.SetControl(cmp)
 18471  			_ = yes
 18472  			_ = no
 18473  			return true
 18474  		}
 18475  		// match: (NE (CMPWconst [0] (MOVDGT (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18476  		// cond:
 18477  		// result: (GT cmp yes no)
 18478  		for {
 18479  			v := b.Control
 18480  			if v.Op != OpS390XCMPWconst {
 18481  				break
 18482  			}
 18483  			if v.AuxInt != 0 {
 18484  				break
 18485  			}
 18486  			v_0 := v.Args[0]
 18487  			if v_0.Op != OpS390XMOVDGT {
 18488  				break
 18489  			}
 18490  			v_0_0 := v_0.Args[0]
 18491  			if v_0_0.Op != OpS390XMOVDconst {
 18492  				break
 18493  			}
 18494  			if v_0_0.AuxInt != 0 {
 18495  				break
 18496  			}
 18497  			v_0_1 := v_0.Args[1]
 18498  			if v_0_1.Op != OpS390XMOVDconst {
 18499  				break
 18500  			}
 18501  			if v_0_1.AuxInt != 1 {
 18502  				break
 18503  			}
 18504  			cmp := v_0.Args[2]
 18505  			yes := b.Succs[0]
 18506  			no := b.Succs[1]
 18507  			b.Kind = BlockS390XGT
 18508  			b.SetControl(cmp)
 18509  			_ = yes
 18510  			_ = no
 18511  			return true
 18512  		}
 18513  		// match: (NE (CMPWconst [0] (MOVDGE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18514  		// cond:
 18515  		// result: (GE cmp yes no)
 18516  		for {
 18517  			v := b.Control
 18518  			if v.Op != OpS390XCMPWconst {
 18519  				break
 18520  			}
 18521  			if v.AuxInt != 0 {
 18522  				break
 18523  			}
 18524  			v_0 := v.Args[0]
 18525  			if v_0.Op != OpS390XMOVDGE {
 18526  				break
 18527  			}
 18528  			v_0_0 := v_0.Args[0]
 18529  			if v_0_0.Op != OpS390XMOVDconst {
 18530  				break
 18531  			}
 18532  			if v_0_0.AuxInt != 0 {
 18533  				break
 18534  			}
 18535  			v_0_1 := v_0.Args[1]
 18536  			if v_0_1.Op != OpS390XMOVDconst {
 18537  				break
 18538  			}
 18539  			if v_0_1.AuxInt != 1 {
 18540  				break
 18541  			}
 18542  			cmp := v_0.Args[2]
 18543  			yes := b.Succs[0]
 18544  			no := b.Succs[1]
 18545  			b.Kind = BlockS390XGE
 18546  			b.SetControl(cmp)
 18547  			_ = yes
 18548  			_ = no
 18549  			return true
 18550  		}
 18551  		// match: (NE (CMPWconst [0] (MOVDEQ (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18552  		// cond:
 18553  		// result: (EQ cmp yes no)
 18554  		for {
 18555  			v := b.Control
 18556  			if v.Op != OpS390XCMPWconst {
 18557  				break
 18558  			}
 18559  			if v.AuxInt != 0 {
 18560  				break
 18561  			}
 18562  			v_0 := v.Args[0]
 18563  			if v_0.Op != OpS390XMOVDEQ {
 18564  				break
 18565  			}
 18566  			v_0_0 := v_0.Args[0]
 18567  			if v_0_0.Op != OpS390XMOVDconst {
 18568  				break
 18569  			}
 18570  			if v_0_0.AuxInt != 0 {
 18571  				break
 18572  			}
 18573  			v_0_1 := v_0.Args[1]
 18574  			if v_0_1.Op != OpS390XMOVDconst {
 18575  				break
 18576  			}
 18577  			if v_0_1.AuxInt != 1 {
 18578  				break
 18579  			}
 18580  			cmp := v_0.Args[2]
 18581  			yes := b.Succs[0]
 18582  			no := b.Succs[1]
 18583  			b.Kind = BlockS390XEQ
 18584  			b.SetControl(cmp)
 18585  			_ = yes
 18586  			_ = no
 18587  			return true
 18588  		}
 18589  		// match: (NE (CMPWconst [0] (MOVDNE (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18590  		// cond:
 18591  		// result: (NE cmp yes no)
 18592  		for {
 18593  			v := b.Control
 18594  			if v.Op != OpS390XCMPWconst {
 18595  				break
 18596  			}
 18597  			if v.AuxInt != 0 {
 18598  				break
 18599  			}
 18600  			v_0 := v.Args[0]
 18601  			if v_0.Op != OpS390XMOVDNE {
 18602  				break
 18603  			}
 18604  			v_0_0 := v_0.Args[0]
 18605  			if v_0_0.Op != OpS390XMOVDconst {
 18606  				break
 18607  			}
 18608  			if v_0_0.AuxInt != 0 {
 18609  				break
 18610  			}
 18611  			v_0_1 := v_0.Args[1]
 18612  			if v_0_1.Op != OpS390XMOVDconst {
 18613  				break
 18614  			}
 18615  			if v_0_1.AuxInt != 1 {
 18616  				break
 18617  			}
 18618  			cmp := v_0.Args[2]
 18619  			yes := b.Succs[0]
 18620  			no := b.Succs[1]
 18621  			b.Kind = BlockS390XNE
 18622  			b.SetControl(cmp)
 18623  			_ = yes
 18624  			_ = no
 18625  			return true
 18626  		}
 18627  		// match: (NE (CMPWconst [0] (MOVDGTnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18628  		// cond:
 18629  		// result: (GTF cmp yes no)
 18630  		for {
 18631  			v := b.Control
 18632  			if v.Op != OpS390XCMPWconst {
 18633  				break
 18634  			}
 18635  			if v.AuxInt != 0 {
 18636  				break
 18637  			}
 18638  			v_0 := v.Args[0]
 18639  			if v_0.Op != OpS390XMOVDGTnoinv {
 18640  				break
 18641  			}
 18642  			v_0_0 := v_0.Args[0]
 18643  			if v_0_0.Op != OpS390XMOVDconst {
 18644  				break
 18645  			}
 18646  			if v_0_0.AuxInt != 0 {
 18647  				break
 18648  			}
 18649  			v_0_1 := v_0.Args[1]
 18650  			if v_0_1.Op != OpS390XMOVDconst {
 18651  				break
 18652  			}
 18653  			if v_0_1.AuxInt != 1 {
 18654  				break
 18655  			}
 18656  			cmp := v_0.Args[2]
 18657  			yes := b.Succs[0]
 18658  			no := b.Succs[1]
 18659  			b.Kind = BlockS390XGTF
 18660  			b.SetControl(cmp)
 18661  			_ = yes
 18662  			_ = no
 18663  			return true
 18664  		}
 18665  		// match: (NE (CMPWconst [0] (MOVDGEnoinv (MOVDconst [0]) (MOVDconst [1]) cmp)) yes no)
 18666  		// cond:
 18667  		// result: (GEF cmp yes no)
 18668  		for {
 18669  			v := b.Control
 18670  			if v.Op != OpS390XCMPWconst {
 18671  				break
 18672  			}
 18673  			if v.AuxInt != 0 {
 18674  				break
 18675  			}
 18676  			v_0 := v.Args[0]
 18677  			if v_0.Op != OpS390XMOVDGEnoinv {
 18678  				break
 18679  			}
 18680  			v_0_0 := v_0.Args[0]
 18681  			if v_0_0.Op != OpS390XMOVDconst {
 18682  				break
 18683  			}
 18684  			if v_0_0.AuxInt != 0 {
 18685  				break
 18686  			}
 18687  			v_0_1 := v_0.Args[1]
 18688  			if v_0_1.Op != OpS390XMOVDconst {
 18689  				break
 18690  			}
 18691  			if v_0_1.AuxInt != 1 {
 18692  				break
 18693  			}
 18694  			cmp := v_0.Args[2]
 18695  			yes := b.Succs[0]
 18696  			no := b.Succs[1]
 18697  			b.Kind = BlockS390XGEF
 18698  			b.SetControl(cmp)
 18699  			_ = yes
 18700  			_ = no
 18701  			return true
 18702  		}
 18703  		// match: (NE (InvertFlags cmp) yes no)
 18704  		// cond:
 18705  		// result: (NE cmp yes no)
 18706  		for {
 18707  			v := b.Control
 18708  			if v.Op != OpS390XInvertFlags {
 18709  				break
 18710  			}
 18711  			cmp := v.Args[0]
 18712  			yes := b.Succs[0]
 18713  			no := b.Succs[1]
 18714  			b.Kind = BlockS390XNE
 18715  			b.SetControl(cmp)
 18716  			_ = yes
 18717  			_ = no
 18718  			return true
 18719  		}
 18720  		// match: (NE (FlagEQ) yes no)
 18721  		// cond:
 18722  		// result: (First nil no yes)
 18723  		for {
 18724  			v := b.Control
 18725  			if v.Op != OpS390XFlagEQ {
 18726  				break
 18727  			}
 18728  			yes := b.Succs[0]
 18729  			no := b.Succs[1]
 18730  			b.Kind = BlockFirst
 18731  			b.SetControl(nil)
 18732  			b.swapSuccessors()
 18733  			_ = no
 18734  			_ = yes
 18735  			return true
 18736  		}
 18737  		// match: (NE (FlagLT) yes no)
 18738  		// cond:
 18739  		// result: (First nil yes no)
 18740  		for {
 18741  			v := b.Control
 18742  			if v.Op != OpS390XFlagLT {
 18743  				break
 18744  			}
 18745  			yes := b.Succs[0]
 18746  			no := b.Succs[1]
 18747  			b.Kind = BlockFirst
 18748  			b.SetControl(nil)
 18749  			_ = yes
 18750  			_ = no
 18751  			return true
 18752  		}
 18753  		// match: (NE (FlagGT) yes no)
 18754  		// cond:
 18755  		// result: (First nil yes no)
 18756  		for {
 18757  			v := b.Control
 18758  			if v.Op != OpS390XFlagGT {
 18759  				break
 18760  			}
 18761  			yes := b.Succs[0]
 18762  			no := b.Succs[1]
 18763  			b.Kind = BlockFirst
 18764  			b.SetControl(nil)
 18765  			_ = yes
 18766  			_ = no
 18767  			return true
 18768  		}
 18769  	}
 18770  	return false
 18771  }