Source file src/cmd/compile/internal/ssa/rewrite386.go

     1  // Code generated from _gen/386.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "math"
     6  import "cmd/compile/internal/types"
     7  
     8  func rewriteValue386(v *Value) bool {
     9  	switch v.Op {
    10  	case Op386ADCL:
    11  		return rewriteValue386_Op386ADCL(v)
    12  	case Op386ADDL:
    13  		return rewriteValue386_Op386ADDL(v)
    14  	case Op386ADDLcarry:
    15  		return rewriteValue386_Op386ADDLcarry(v)
    16  	case Op386ADDLconst:
    17  		return rewriteValue386_Op386ADDLconst(v)
    18  	case Op386ADDLconstmodify:
    19  		return rewriteValue386_Op386ADDLconstmodify(v)
    20  	case Op386ADDLload:
    21  		return rewriteValue386_Op386ADDLload(v)
    22  	case Op386ADDLmodify:
    23  		return rewriteValue386_Op386ADDLmodify(v)
    24  	case Op386ADDSD:
    25  		return rewriteValue386_Op386ADDSD(v)
    26  	case Op386ADDSDload:
    27  		return rewriteValue386_Op386ADDSDload(v)
    28  	case Op386ADDSS:
    29  		return rewriteValue386_Op386ADDSS(v)
    30  	case Op386ADDSSload:
    31  		return rewriteValue386_Op386ADDSSload(v)
    32  	case Op386ANDL:
    33  		return rewriteValue386_Op386ANDL(v)
    34  	case Op386ANDLconst:
    35  		return rewriteValue386_Op386ANDLconst(v)
    36  	case Op386ANDLconstmodify:
    37  		return rewriteValue386_Op386ANDLconstmodify(v)
    38  	case Op386ANDLload:
    39  		return rewriteValue386_Op386ANDLload(v)
    40  	case Op386ANDLmodify:
    41  		return rewriteValue386_Op386ANDLmodify(v)
    42  	case Op386CMPB:
    43  		return rewriteValue386_Op386CMPB(v)
    44  	case Op386CMPBconst:
    45  		return rewriteValue386_Op386CMPBconst(v)
    46  	case Op386CMPBload:
    47  		return rewriteValue386_Op386CMPBload(v)
    48  	case Op386CMPL:
    49  		return rewriteValue386_Op386CMPL(v)
    50  	case Op386CMPLconst:
    51  		return rewriteValue386_Op386CMPLconst(v)
    52  	case Op386CMPLload:
    53  		return rewriteValue386_Op386CMPLload(v)
    54  	case Op386CMPW:
    55  		return rewriteValue386_Op386CMPW(v)
    56  	case Op386CMPWconst:
    57  		return rewriteValue386_Op386CMPWconst(v)
    58  	case Op386CMPWload:
    59  		return rewriteValue386_Op386CMPWload(v)
    60  	case Op386DIVSD:
    61  		return rewriteValue386_Op386DIVSD(v)
    62  	case Op386DIVSDload:
    63  		return rewriteValue386_Op386DIVSDload(v)
    64  	case Op386DIVSS:
    65  		return rewriteValue386_Op386DIVSS(v)
    66  	case Op386DIVSSload:
    67  		return rewriteValue386_Op386DIVSSload(v)
    68  	case Op386LEAL:
    69  		return rewriteValue386_Op386LEAL(v)
    70  	case Op386LEAL1:
    71  		return rewriteValue386_Op386LEAL1(v)
    72  	case Op386LEAL2:
    73  		return rewriteValue386_Op386LEAL2(v)
    74  	case Op386LEAL4:
    75  		return rewriteValue386_Op386LEAL4(v)
    76  	case Op386LEAL8:
    77  		return rewriteValue386_Op386LEAL8(v)
    78  	case Op386LoweredPanicBoundsRC:
    79  		return rewriteValue386_Op386LoweredPanicBoundsRC(v)
    80  	case Op386LoweredPanicBoundsRR:
    81  		return rewriteValue386_Op386LoweredPanicBoundsRR(v)
    82  	case Op386LoweredPanicExtendRC:
    83  		return rewriteValue386_Op386LoweredPanicExtendRC(v)
    84  	case Op386LoweredPanicExtendRR:
    85  		return rewriteValue386_Op386LoweredPanicExtendRR(v)
    86  	case Op386MOVBLSX:
    87  		return rewriteValue386_Op386MOVBLSX(v)
    88  	case Op386MOVBLSXload:
    89  		return rewriteValue386_Op386MOVBLSXload(v)
    90  	case Op386MOVBLZX:
    91  		return rewriteValue386_Op386MOVBLZX(v)
    92  	case Op386MOVBload:
    93  		return rewriteValue386_Op386MOVBload(v)
    94  	case Op386MOVBstore:
    95  		return rewriteValue386_Op386MOVBstore(v)
    96  	case Op386MOVBstoreconst:
    97  		return rewriteValue386_Op386MOVBstoreconst(v)
    98  	case Op386MOVLload:
    99  		return rewriteValue386_Op386MOVLload(v)
   100  	case Op386MOVLstore:
   101  		return rewriteValue386_Op386MOVLstore(v)
   102  	case Op386MOVLstoreconst:
   103  		return rewriteValue386_Op386MOVLstoreconst(v)
   104  	case Op386MOVSDconst:
   105  		return rewriteValue386_Op386MOVSDconst(v)
   106  	case Op386MOVSDload:
   107  		return rewriteValue386_Op386MOVSDload(v)
   108  	case Op386MOVSDstore:
   109  		return rewriteValue386_Op386MOVSDstore(v)
   110  	case Op386MOVSSconst:
   111  		return rewriteValue386_Op386MOVSSconst(v)
   112  	case Op386MOVSSload:
   113  		return rewriteValue386_Op386MOVSSload(v)
   114  	case Op386MOVSSstore:
   115  		return rewriteValue386_Op386MOVSSstore(v)
   116  	case Op386MOVWLSX:
   117  		return rewriteValue386_Op386MOVWLSX(v)
   118  	case Op386MOVWLSXload:
   119  		return rewriteValue386_Op386MOVWLSXload(v)
   120  	case Op386MOVWLZX:
   121  		return rewriteValue386_Op386MOVWLZX(v)
   122  	case Op386MOVWload:
   123  		return rewriteValue386_Op386MOVWload(v)
   124  	case Op386MOVWstore:
   125  		return rewriteValue386_Op386MOVWstore(v)
   126  	case Op386MOVWstoreconst:
   127  		return rewriteValue386_Op386MOVWstoreconst(v)
   128  	case Op386MULL:
   129  		return rewriteValue386_Op386MULL(v)
   130  	case Op386MULLconst:
   131  		return rewriteValue386_Op386MULLconst(v)
   132  	case Op386MULLload:
   133  		return rewriteValue386_Op386MULLload(v)
   134  	case Op386MULSD:
   135  		return rewriteValue386_Op386MULSD(v)
   136  	case Op386MULSDload:
   137  		return rewriteValue386_Op386MULSDload(v)
   138  	case Op386MULSS:
   139  		return rewriteValue386_Op386MULSS(v)
   140  	case Op386MULSSload:
   141  		return rewriteValue386_Op386MULSSload(v)
   142  	case Op386NEGL:
   143  		return rewriteValue386_Op386NEGL(v)
   144  	case Op386NOTL:
   145  		return rewriteValue386_Op386NOTL(v)
   146  	case Op386ORL:
   147  		return rewriteValue386_Op386ORL(v)
   148  	case Op386ORLconst:
   149  		return rewriteValue386_Op386ORLconst(v)
   150  	case Op386ORLconstmodify:
   151  		return rewriteValue386_Op386ORLconstmodify(v)
   152  	case Op386ORLload:
   153  		return rewriteValue386_Op386ORLload(v)
   154  	case Op386ORLmodify:
   155  		return rewriteValue386_Op386ORLmodify(v)
   156  	case Op386ROLB:
   157  		return rewriteValue386_Op386ROLB(v)
   158  	case Op386ROLBconst:
   159  		return rewriteValue386_Op386ROLBconst(v)
   160  	case Op386ROLL:
   161  		return rewriteValue386_Op386ROLL(v)
   162  	case Op386ROLLconst:
   163  		return rewriteValue386_Op386ROLLconst(v)
   164  	case Op386ROLW:
   165  		return rewriteValue386_Op386ROLW(v)
   166  	case Op386ROLWconst:
   167  		return rewriteValue386_Op386ROLWconst(v)
   168  	case Op386SARB:
   169  		return rewriteValue386_Op386SARB(v)
   170  	case Op386SARBconst:
   171  		return rewriteValue386_Op386SARBconst(v)
   172  	case Op386SARL:
   173  		return rewriteValue386_Op386SARL(v)
   174  	case Op386SARLconst:
   175  		return rewriteValue386_Op386SARLconst(v)
   176  	case Op386SARW:
   177  		return rewriteValue386_Op386SARW(v)
   178  	case Op386SARWconst:
   179  		return rewriteValue386_Op386SARWconst(v)
   180  	case Op386SBBL:
   181  		return rewriteValue386_Op386SBBL(v)
   182  	case Op386SBBLcarrymask:
   183  		return rewriteValue386_Op386SBBLcarrymask(v)
   184  	case Op386SETA:
   185  		return rewriteValue386_Op386SETA(v)
   186  	case Op386SETAE:
   187  		return rewriteValue386_Op386SETAE(v)
   188  	case Op386SETB:
   189  		return rewriteValue386_Op386SETB(v)
   190  	case Op386SETBE:
   191  		return rewriteValue386_Op386SETBE(v)
   192  	case Op386SETEQ:
   193  		return rewriteValue386_Op386SETEQ(v)
   194  	case Op386SETG:
   195  		return rewriteValue386_Op386SETG(v)
   196  	case Op386SETGE:
   197  		return rewriteValue386_Op386SETGE(v)
   198  	case Op386SETL:
   199  		return rewriteValue386_Op386SETL(v)
   200  	case Op386SETLE:
   201  		return rewriteValue386_Op386SETLE(v)
   202  	case Op386SETNE:
   203  		return rewriteValue386_Op386SETNE(v)
   204  	case Op386SHLL:
   205  		return rewriteValue386_Op386SHLL(v)
   206  	case Op386SHLLconst:
   207  		return rewriteValue386_Op386SHLLconst(v)
   208  	case Op386SHRB:
   209  		return rewriteValue386_Op386SHRB(v)
   210  	case Op386SHRBconst:
   211  		return rewriteValue386_Op386SHRBconst(v)
   212  	case Op386SHRL:
   213  		return rewriteValue386_Op386SHRL(v)
   214  	case Op386SHRLconst:
   215  		return rewriteValue386_Op386SHRLconst(v)
   216  	case Op386SHRW:
   217  		return rewriteValue386_Op386SHRW(v)
   218  	case Op386SHRWconst:
   219  		return rewriteValue386_Op386SHRWconst(v)
   220  	case Op386SUBL:
   221  		return rewriteValue386_Op386SUBL(v)
   222  	case Op386SUBLcarry:
   223  		return rewriteValue386_Op386SUBLcarry(v)
   224  	case Op386SUBLconst:
   225  		return rewriteValue386_Op386SUBLconst(v)
   226  	case Op386SUBLload:
   227  		return rewriteValue386_Op386SUBLload(v)
   228  	case Op386SUBLmodify:
   229  		return rewriteValue386_Op386SUBLmodify(v)
   230  	case Op386SUBSD:
   231  		return rewriteValue386_Op386SUBSD(v)
   232  	case Op386SUBSDload:
   233  		return rewriteValue386_Op386SUBSDload(v)
   234  	case Op386SUBSS:
   235  		return rewriteValue386_Op386SUBSS(v)
   236  	case Op386SUBSSload:
   237  		return rewriteValue386_Op386SUBSSload(v)
   238  	case Op386XORL:
   239  		return rewriteValue386_Op386XORL(v)
   240  	case Op386XORLconst:
   241  		return rewriteValue386_Op386XORLconst(v)
   242  	case Op386XORLconstmodify:
   243  		return rewriteValue386_Op386XORLconstmodify(v)
   244  	case Op386XORLload:
   245  		return rewriteValue386_Op386XORLload(v)
   246  	case Op386XORLmodify:
   247  		return rewriteValue386_Op386XORLmodify(v)
   248  	case OpAdd16:
   249  		v.Op = Op386ADDL
   250  		return true
   251  	case OpAdd32:
   252  		v.Op = Op386ADDL
   253  		return true
   254  	case OpAdd32F:
   255  		v.Op = Op386ADDSS
   256  		return true
   257  	case OpAdd32carry:
   258  		v.Op = Op386ADDLcarry
   259  		return true
   260  	case OpAdd32carrywithcarry:
   261  		v.Op = Op386ADCLcarry
   262  		return true
   263  	case OpAdd32withcarry:
   264  		v.Op = Op386ADCL
   265  		return true
   266  	case OpAdd64F:
   267  		v.Op = Op386ADDSD
   268  		return true
   269  	case OpAdd8:
   270  		v.Op = Op386ADDL
   271  		return true
   272  	case OpAddPtr:
   273  		v.Op = Op386ADDL
   274  		return true
   275  	case OpAddr:
   276  		return rewriteValue386_OpAddr(v)
   277  	case OpAnd16:
   278  		v.Op = Op386ANDL
   279  		return true
   280  	case OpAnd32:
   281  		v.Op = Op386ANDL
   282  		return true
   283  	case OpAnd8:
   284  		v.Op = Op386ANDL
   285  		return true
   286  	case OpAndB:
   287  		v.Op = Op386ANDL
   288  		return true
   289  	case OpAvg32u:
   290  		v.Op = Op386AVGLU
   291  		return true
   292  	case OpBswap16:
   293  		return rewriteValue386_OpBswap16(v)
   294  	case OpBswap32:
   295  		v.Op = Op386BSWAPL
   296  		return true
   297  	case OpClosureCall:
   298  		v.Op = Op386CALLclosure
   299  		return true
   300  	case OpCom16:
   301  		v.Op = Op386NOTL
   302  		return true
   303  	case OpCom32:
   304  		v.Op = Op386NOTL
   305  		return true
   306  	case OpCom8:
   307  		v.Op = Op386NOTL
   308  		return true
   309  	case OpConst16:
   310  		return rewriteValue386_OpConst16(v)
   311  	case OpConst32:
   312  		v.Op = Op386MOVLconst
   313  		return true
   314  	case OpConst32F:
   315  		v.Op = Op386MOVSSconst
   316  		return true
   317  	case OpConst64F:
   318  		v.Op = Op386MOVSDconst
   319  		return true
   320  	case OpConst8:
   321  		return rewriteValue386_OpConst8(v)
   322  	case OpConstBool:
   323  		return rewriteValue386_OpConstBool(v)
   324  	case OpConstNil:
   325  		return rewriteValue386_OpConstNil(v)
   326  	case OpCtz16:
   327  		return rewriteValue386_OpCtz16(v)
   328  	case OpCtz16NonZero:
   329  		v.Op = Op386BSFL
   330  		return true
   331  	case OpCtz32:
   332  		v.Op = Op386LoweredCtz32
   333  		return true
   334  	case OpCtz32NonZero:
   335  		v.Op = Op386BSFL
   336  		return true
   337  	case OpCtz64On32:
   338  		v.Op = Op386LoweredCtz64
   339  		return true
   340  	case OpCtz8:
   341  		return rewriteValue386_OpCtz8(v)
   342  	case OpCtz8NonZero:
   343  		v.Op = Op386BSFL
   344  		return true
   345  	case OpCvt32Fto32:
   346  		v.Op = Op386CVTTSS2SL
   347  		return true
   348  	case OpCvt32Fto64F:
   349  		v.Op = Op386CVTSS2SD
   350  		return true
   351  	case OpCvt32to32F:
   352  		v.Op = Op386CVTSL2SS
   353  		return true
   354  	case OpCvt32to64F:
   355  		v.Op = Op386CVTSL2SD
   356  		return true
   357  	case OpCvt64Fto32:
   358  		v.Op = Op386CVTTSD2SL
   359  		return true
   360  	case OpCvt64Fto32F:
   361  		v.Op = Op386CVTSD2SS
   362  		return true
   363  	case OpCvtBoolToUint8:
   364  		v.Op = OpCopy
   365  		return true
   366  	case OpDiv16:
   367  		v.Op = Op386DIVW
   368  		return true
   369  	case OpDiv16u:
   370  		v.Op = Op386DIVWU
   371  		return true
   372  	case OpDiv32:
   373  		v.Op = Op386DIVL
   374  		return true
   375  	case OpDiv32F:
   376  		v.Op = Op386DIVSS
   377  		return true
   378  	case OpDiv32u:
   379  		v.Op = Op386DIVLU
   380  		return true
   381  	case OpDiv64F:
   382  		v.Op = Op386DIVSD
   383  		return true
   384  	case OpDiv8:
   385  		return rewriteValue386_OpDiv8(v)
   386  	case OpDiv8u:
   387  		return rewriteValue386_OpDiv8u(v)
   388  	case OpEq16:
   389  		return rewriteValue386_OpEq16(v)
   390  	case OpEq32:
   391  		return rewriteValue386_OpEq32(v)
   392  	case OpEq32F:
   393  		return rewriteValue386_OpEq32F(v)
   394  	case OpEq64F:
   395  		return rewriteValue386_OpEq64F(v)
   396  	case OpEq8:
   397  		return rewriteValue386_OpEq8(v)
   398  	case OpEqB:
   399  		return rewriteValue386_OpEqB(v)
   400  	case OpEqPtr:
   401  		return rewriteValue386_OpEqPtr(v)
   402  	case OpGetCallerPC:
   403  		v.Op = Op386LoweredGetCallerPC
   404  		return true
   405  	case OpGetCallerSP:
   406  		v.Op = Op386LoweredGetCallerSP
   407  		return true
   408  	case OpGetClosurePtr:
   409  		v.Op = Op386LoweredGetClosurePtr
   410  		return true
   411  	case OpGetG:
   412  		v.Op = Op386LoweredGetG
   413  		return true
   414  	case OpHmul32:
   415  		v.Op = Op386HMULL
   416  		return true
   417  	case OpHmul32u:
   418  		v.Op = Op386HMULLU
   419  		return true
   420  	case OpInterCall:
   421  		v.Op = Op386CALLinter
   422  		return true
   423  	case OpIsInBounds:
   424  		return rewriteValue386_OpIsInBounds(v)
   425  	case OpIsNonNil:
   426  		return rewriteValue386_OpIsNonNil(v)
   427  	case OpIsSliceInBounds:
   428  		return rewriteValue386_OpIsSliceInBounds(v)
   429  	case OpLeq16:
   430  		return rewriteValue386_OpLeq16(v)
   431  	case OpLeq16U:
   432  		return rewriteValue386_OpLeq16U(v)
   433  	case OpLeq32:
   434  		return rewriteValue386_OpLeq32(v)
   435  	case OpLeq32F:
   436  		return rewriteValue386_OpLeq32F(v)
   437  	case OpLeq32U:
   438  		return rewriteValue386_OpLeq32U(v)
   439  	case OpLeq64F:
   440  		return rewriteValue386_OpLeq64F(v)
   441  	case OpLeq8:
   442  		return rewriteValue386_OpLeq8(v)
   443  	case OpLeq8U:
   444  		return rewriteValue386_OpLeq8U(v)
   445  	case OpLess16:
   446  		return rewriteValue386_OpLess16(v)
   447  	case OpLess16U:
   448  		return rewriteValue386_OpLess16U(v)
   449  	case OpLess32:
   450  		return rewriteValue386_OpLess32(v)
   451  	case OpLess32F:
   452  		return rewriteValue386_OpLess32F(v)
   453  	case OpLess32U:
   454  		return rewriteValue386_OpLess32U(v)
   455  	case OpLess64F:
   456  		return rewriteValue386_OpLess64F(v)
   457  	case OpLess8:
   458  		return rewriteValue386_OpLess8(v)
   459  	case OpLess8U:
   460  		return rewriteValue386_OpLess8U(v)
   461  	case OpLoad:
   462  		return rewriteValue386_OpLoad(v)
   463  	case OpLocalAddr:
   464  		return rewriteValue386_OpLocalAddr(v)
   465  	case OpLsh16x16:
   466  		return rewriteValue386_OpLsh16x16(v)
   467  	case OpLsh16x32:
   468  		return rewriteValue386_OpLsh16x32(v)
   469  	case OpLsh16x64:
   470  		return rewriteValue386_OpLsh16x64(v)
   471  	case OpLsh16x8:
   472  		return rewriteValue386_OpLsh16x8(v)
   473  	case OpLsh32x16:
   474  		return rewriteValue386_OpLsh32x16(v)
   475  	case OpLsh32x32:
   476  		return rewriteValue386_OpLsh32x32(v)
   477  	case OpLsh32x64:
   478  		return rewriteValue386_OpLsh32x64(v)
   479  	case OpLsh32x8:
   480  		return rewriteValue386_OpLsh32x8(v)
   481  	case OpLsh8x16:
   482  		return rewriteValue386_OpLsh8x16(v)
   483  	case OpLsh8x32:
   484  		return rewriteValue386_OpLsh8x32(v)
   485  	case OpLsh8x64:
   486  		return rewriteValue386_OpLsh8x64(v)
   487  	case OpLsh8x8:
   488  		return rewriteValue386_OpLsh8x8(v)
   489  	case OpMod16:
   490  		v.Op = Op386MODW
   491  		return true
   492  	case OpMod16u:
   493  		v.Op = Op386MODWU
   494  		return true
   495  	case OpMod32:
   496  		v.Op = Op386MODL
   497  		return true
   498  	case OpMod32u:
   499  		v.Op = Op386MODLU
   500  		return true
   501  	case OpMod8:
   502  		return rewriteValue386_OpMod8(v)
   503  	case OpMod8u:
   504  		return rewriteValue386_OpMod8u(v)
   505  	case OpMove:
   506  		return rewriteValue386_OpMove(v)
   507  	case OpMul16:
   508  		v.Op = Op386MULL
   509  		return true
   510  	case OpMul32:
   511  		v.Op = Op386MULL
   512  		return true
   513  	case OpMul32F:
   514  		v.Op = Op386MULSS
   515  		return true
   516  	case OpMul32uhilo:
   517  		v.Op = Op386MULLQU
   518  		return true
   519  	case OpMul64F:
   520  		v.Op = Op386MULSD
   521  		return true
   522  	case OpMul8:
   523  		v.Op = Op386MULL
   524  		return true
   525  	case OpNeg16:
   526  		v.Op = Op386NEGL
   527  		return true
   528  	case OpNeg32:
   529  		v.Op = Op386NEGL
   530  		return true
   531  	case OpNeg32F:
   532  		return rewriteValue386_OpNeg32F(v)
   533  	case OpNeg64F:
   534  		return rewriteValue386_OpNeg64F(v)
   535  	case OpNeg8:
   536  		v.Op = Op386NEGL
   537  		return true
   538  	case OpNeq16:
   539  		return rewriteValue386_OpNeq16(v)
   540  	case OpNeq32:
   541  		return rewriteValue386_OpNeq32(v)
   542  	case OpNeq32F:
   543  		return rewriteValue386_OpNeq32F(v)
   544  	case OpNeq64F:
   545  		return rewriteValue386_OpNeq64F(v)
   546  	case OpNeq8:
   547  		return rewriteValue386_OpNeq8(v)
   548  	case OpNeqB:
   549  		return rewriteValue386_OpNeqB(v)
   550  	case OpNeqPtr:
   551  		return rewriteValue386_OpNeqPtr(v)
   552  	case OpNilCheck:
   553  		v.Op = Op386LoweredNilCheck
   554  		return true
   555  	case OpNot:
   556  		return rewriteValue386_OpNot(v)
   557  	case OpOffPtr:
   558  		return rewriteValue386_OpOffPtr(v)
   559  	case OpOr16:
   560  		v.Op = Op386ORL
   561  		return true
   562  	case OpOr32:
   563  		v.Op = Op386ORL
   564  		return true
   565  	case OpOr8:
   566  		v.Op = Op386ORL
   567  		return true
   568  	case OpOrB:
   569  		v.Op = Op386ORL
   570  		return true
   571  	case OpPanicBounds:
   572  		v.Op = Op386LoweredPanicBoundsRR
   573  		return true
   574  	case OpPanicExtend:
   575  		v.Op = Op386LoweredPanicExtendRR
   576  		return true
   577  	case OpRotateLeft16:
   578  		v.Op = Op386ROLW
   579  		return true
   580  	case OpRotateLeft32:
   581  		v.Op = Op386ROLL
   582  		return true
   583  	case OpRotateLeft8:
   584  		v.Op = Op386ROLB
   585  		return true
   586  	case OpRound32F:
   587  		v.Op = OpCopy
   588  		return true
   589  	case OpRound64F:
   590  		v.Op = OpCopy
   591  		return true
   592  	case OpRsh16Ux16:
   593  		return rewriteValue386_OpRsh16Ux16(v)
   594  	case OpRsh16Ux32:
   595  		return rewriteValue386_OpRsh16Ux32(v)
   596  	case OpRsh16Ux64:
   597  		return rewriteValue386_OpRsh16Ux64(v)
   598  	case OpRsh16Ux8:
   599  		return rewriteValue386_OpRsh16Ux8(v)
   600  	case OpRsh16x16:
   601  		return rewriteValue386_OpRsh16x16(v)
   602  	case OpRsh16x32:
   603  		return rewriteValue386_OpRsh16x32(v)
   604  	case OpRsh16x64:
   605  		return rewriteValue386_OpRsh16x64(v)
   606  	case OpRsh16x8:
   607  		return rewriteValue386_OpRsh16x8(v)
   608  	case OpRsh32Ux16:
   609  		return rewriteValue386_OpRsh32Ux16(v)
   610  	case OpRsh32Ux32:
   611  		return rewriteValue386_OpRsh32Ux32(v)
   612  	case OpRsh32Ux64:
   613  		return rewriteValue386_OpRsh32Ux64(v)
   614  	case OpRsh32Ux8:
   615  		return rewriteValue386_OpRsh32Ux8(v)
   616  	case OpRsh32x16:
   617  		return rewriteValue386_OpRsh32x16(v)
   618  	case OpRsh32x32:
   619  		return rewriteValue386_OpRsh32x32(v)
   620  	case OpRsh32x64:
   621  		return rewriteValue386_OpRsh32x64(v)
   622  	case OpRsh32x8:
   623  		return rewriteValue386_OpRsh32x8(v)
   624  	case OpRsh8Ux16:
   625  		return rewriteValue386_OpRsh8Ux16(v)
   626  	case OpRsh8Ux32:
   627  		return rewriteValue386_OpRsh8Ux32(v)
   628  	case OpRsh8Ux64:
   629  		return rewriteValue386_OpRsh8Ux64(v)
   630  	case OpRsh8Ux8:
   631  		return rewriteValue386_OpRsh8Ux8(v)
   632  	case OpRsh8x16:
   633  		return rewriteValue386_OpRsh8x16(v)
   634  	case OpRsh8x32:
   635  		return rewriteValue386_OpRsh8x32(v)
   636  	case OpRsh8x64:
   637  		return rewriteValue386_OpRsh8x64(v)
   638  	case OpRsh8x8:
   639  		return rewriteValue386_OpRsh8x8(v)
   640  	case OpSelect0:
   641  		return rewriteValue386_OpSelect0(v)
   642  	case OpSelect1:
   643  		return rewriteValue386_OpSelect1(v)
   644  	case OpSignExt16to32:
   645  		v.Op = Op386MOVWLSX
   646  		return true
   647  	case OpSignExt8to16:
   648  		v.Op = Op386MOVBLSX
   649  		return true
   650  	case OpSignExt8to32:
   651  		v.Op = Op386MOVBLSX
   652  		return true
   653  	case OpSignmask:
   654  		return rewriteValue386_OpSignmask(v)
   655  	case OpSlicemask:
   656  		return rewriteValue386_OpSlicemask(v)
   657  	case OpSqrt:
   658  		v.Op = Op386SQRTSD
   659  		return true
   660  	case OpSqrt32:
   661  		v.Op = Op386SQRTSS
   662  		return true
   663  	case OpStaticCall:
   664  		v.Op = Op386CALLstatic
   665  		return true
   666  	case OpStore:
   667  		return rewriteValue386_OpStore(v)
   668  	case OpSub16:
   669  		v.Op = Op386SUBL
   670  		return true
   671  	case OpSub32:
   672  		v.Op = Op386SUBL
   673  		return true
   674  	case OpSub32F:
   675  		v.Op = Op386SUBSS
   676  		return true
   677  	case OpSub32carry:
   678  		v.Op = Op386SUBLcarry
   679  		return true
   680  	case OpSub32withcarry:
   681  		v.Op = Op386SBBL
   682  		return true
   683  	case OpSub64F:
   684  		v.Op = Op386SUBSD
   685  		return true
   686  	case OpSub8:
   687  		v.Op = Op386SUBL
   688  		return true
   689  	case OpSubPtr:
   690  		v.Op = Op386SUBL
   691  		return true
   692  	case OpTailCall:
   693  		v.Op = Op386CALLtail
   694  		return true
   695  	case OpTrunc16to8:
   696  		v.Op = OpCopy
   697  		return true
   698  	case OpTrunc32to16:
   699  		v.Op = OpCopy
   700  		return true
   701  	case OpTrunc32to8:
   702  		v.Op = OpCopy
   703  		return true
   704  	case OpWB:
   705  		v.Op = Op386LoweredWB
   706  		return true
   707  	case OpXor16:
   708  		v.Op = Op386XORL
   709  		return true
   710  	case OpXor32:
   711  		v.Op = Op386XORL
   712  		return true
   713  	case OpXor8:
   714  		v.Op = Op386XORL
   715  		return true
   716  	case OpZero:
   717  		return rewriteValue386_OpZero(v)
   718  	case OpZeroExt16to32:
   719  		v.Op = Op386MOVWLZX
   720  		return true
   721  	case OpZeroExt8to16:
   722  		v.Op = Op386MOVBLZX
   723  		return true
   724  	case OpZeroExt8to32:
   725  		v.Op = Op386MOVBLZX
   726  		return true
   727  	case OpZeromask:
   728  		return rewriteValue386_OpZeromask(v)
   729  	}
   730  	return false
   731  }
   732  func rewriteValue386_Op386ADCL(v *Value) bool {
   733  	v_2 := v.Args[2]
   734  	v_1 := v.Args[1]
   735  	v_0 := v.Args[0]
   736  	// match: (ADCL x (MOVLconst [c]) f)
   737  	// result: (ADCLconst [c] x f)
   738  	for {
   739  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   740  			x := v_0
   741  			if v_1.Op != Op386MOVLconst {
   742  				continue
   743  			}
   744  			c := auxIntToInt32(v_1.AuxInt)
   745  			f := v_2
   746  			v.reset(Op386ADCLconst)
   747  			v.AuxInt = int32ToAuxInt(c)
   748  			v.AddArg2(x, f)
   749  			return true
   750  		}
   751  		break
   752  	}
   753  	return false
   754  }
   755  func rewriteValue386_Op386ADDL(v *Value) bool {
   756  	v_1 := v.Args[1]
   757  	v_0 := v.Args[0]
   758  	// match: (ADDL x (MOVLconst <t> [c]))
   759  	// cond: !t.IsPtr()
   760  	// result: (ADDLconst [c] x)
   761  	for {
   762  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   763  			x := v_0
   764  			if v_1.Op != Op386MOVLconst {
   765  				continue
   766  			}
   767  			t := v_1.Type
   768  			c := auxIntToInt32(v_1.AuxInt)
   769  			if !(!t.IsPtr()) {
   770  				continue
   771  			}
   772  			v.reset(Op386ADDLconst)
   773  			v.AuxInt = int32ToAuxInt(c)
   774  			v.AddArg(x)
   775  			return true
   776  		}
   777  		break
   778  	}
   779  	// match: (ADDL x (SHLLconst [3] y))
   780  	// result: (LEAL8 x y)
   781  	for {
   782  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   783  			x := v_0
   784  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
   785  				continue
   786  			}
   787  			y := v_1.Args[0]
   788  			v.reset(Op386LEAL8)
   789  			v.AddArg2(x, y)
   790  			return true
   791  		}
   792  		break
   793  	}
   794  	// match: (ADDL x (SHLLconst [2] y))
   795  	// result: (LEAL4 x y)
   796  	for {
   797  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   798  			x := v_0
   799  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
   800  				continue
   801  			}
   802  			y := v_1.Args[0]
   803  			v.reset(Op386LEAL4)
   804  			v.AddArg2(x, y)
   805  			return true
   806  		}
   807  		break
   808  	}
   809  	// match: (ADDL x (SHLLconst [1] y))
   810  	// result: (LEAL2 x y)
   811  	for {
   812  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   813  			x := v_0
   814  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
   815  				continue
   816  			}
   817  			y := v_1.Args[0]
   818  			v.reset(Op386LEAL2)
   819  			v.AddArg2(x, y)
   820  			return true
   821  		}
   822  		break
   823  	}
   824  	// match: (ADDL x (ADDL y y))
   825  	// result: (LEAL2 x y)
   826  	for {
   827  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   828  			x := v_0
   829  			if v_1.Op != Op386ADDL {
   830  				continue
   831  			}
   832  			y := v_1.Args[1]
   833  			if y != v_1.Args[0] {
   834  				continue
   835  			}
   836  			v.reset(Op386LEAL2)
   837  			v.AddArg2(x, y)
   838  			return true
   839  		}
   840  		break
   841  	}
   842  	// match: (ADDL x (ADDL x y))
   843  	// result: (LEAL2 y x)
   844  	for {
   845  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   846  			x := v_0
   847  			if v_1.Op != Op386ADDL {
   848  				continue
   849  			}
   850  			_ = v_1.Args[1]
   851  			v_1_0 := v_1.Args[0]
   852  			v_1_1 := v_1.Args[1]
   853  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
   854  				if x != v_1_0 {
   855  					continue
   856  				}
   857  				y := v_1_1
   858  				v.reset(Op386LEAL2)
   859  				v.AddArg2(y, x)
   860  				return true
   861  			}
   862  		}
   863  		break
   864  	}
   865  	// match: (ADDL (ADDLconst [c] x) y)
   866  	// result: (LEAL1 [c] x y)
   867  	for {
   868  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   869  			if v_0.Op != Op386ADDLconst {
   870  				continue
   871  			}
   872  			c := auxIntToInt32(v_0.AuxInt)
   873  			x := v_0.Args[0]
   874  			y := v_1
   875  			v.reset(Op386LEAL1)
   876  			v.AuxInt = int32ToAuxInt(c)
   877  			v.AddArg2(x, y)
   878  			return true
   879  		}
   880  		break
   881  	}
   882  	// match: (ADDL x (LEAL [c] {s} y))
   883  	// cond: x.Op != OpSB && y.Op != OpSB
   884  	// result: (LEAL1 [c] {s} x y)
   885  	for {
   886  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   887  			x := v_0
   888  			if v_1.Op != Op386LEAL {
   889  				continue
   890  			}
   891  			c := auxIntToInt32(v_1.AuxInt)
   892  			s := auxToSym(v_1.Aux)
   893  			y := v_1.Args[0]
   894  			if !(x.Op != OpSB && y.Op != OpSB) {
   895  				continue
   896  			}
   897  			v.reset(Op386LEAL1)
   898  			v.AuxInt = int32ToAuxInt(c)
   899  			v.Aux = symToAux(s)
   900  			v.AddArg2(x, y)
   901  			return true
   902  		}
   903  		break
   904  	}
   905  	// match: (ADDL x l:(MOVLload [off] {sym} ptr mem))
   906  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
   907  	// result: (ADDLload x [off] {sym} ptr mem)
   908  	for {
   909  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   910  			x := v_0
   911  			l := v_1
   912  			if l.Op != Op386MOVLload {
   913  				continue
   914  			}
   915  			off := auxIntToInt32(l.AuxInt)
   916  			sym := auxToSym(l.Aux)
   917  			mem := l.Args[1]
   918  			ptr := l.Args[0]
   919  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
   920  				continue
   921  			}
   922  			v.reset(Op386ADDLload)
   923  			v.AuxInt = int32ToAuxInt(off)
   924  			v.Aux = symToAux(sym)
   925  			v.AddArg3(x, ptr, mem)
   926  			return true
   927  		}
   928  		break
   929  	}
   930  	// match: (ADDL x (NEGL y))
   931  	// result: (SUBL x y)
   932  	for {
   933  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   934  			x := v_0
   935  			if v_1.Op != Op386NEGL {
   936  				continue
   937  			}
   938  			y := v_1.Args[0]
   939  			v.reset(Op386SUBL)
   940  			v.AddArg2(x, y)
   941  			return true
   942  		}
   943  		break
   944  	}
   945  	return false
   946  }
   947  func rewriteValue386_Op386ADDLcarry(v *Value) bool {
   948  	v_1 := v.Args[1]
   949  	v_0 := v.Args[0]
   950  	// match: (ADDLcarry x (MOVLconst [c]))
   951  	// result: (ADDLconstcarry [c] x)
   952  	for {
   953  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   954  			x := v_0
   955  			if v_1.Op != Op386MOVLconst {
   956  				continue
   957  			}
   958  			c := auxIntToInt32(v_1.AuxInt)
   959  			v.reset(Op386ADDLconstcarry)
   960  			v.AuxInt = int32ToAuxInt(c)
   961  			v.AddArg(x)
   962  			return true
   963  		}
   964  		break
   965  	}
   966  	return false
   967  }
   968  func rewriteValue386_Op386ADDLconst(v *Value) bool {
   969  	v_0 := v.Args[0]
   970  	// match: (ADDLconst [c] (ADDL x y))
   971  	// result: (LEAL1 [c] x y)
   972  	for {
   973  		c := auxIntToInt32(v.AuxInt)
   974  		if v_0.Op != Op386ADDL {
   975  			break
   976  		}
   977  		y := v_0.Args[1]
   978  		x := v_0.Args[0]
   979  		v.reset(Op386LEAL1)
   980  		v.AuxInt = int32ToAuxInt(c)
   981  		v.AddArg2(x, y)
   982  		return true
   983  	}
   984  	// match: (ADDLconst [c] (LEAL [d] {s} x))
   985  	// cond: is32Bit(int64(c)+int64(d))
   986  	// result: (LEAL [c+d] {s} x)
   987  	for {
   988  		c := auxIntToInt32(v.AuxInt)
   989  		if v_0.Op != Op386LEAL {
   990  			break
   991  		}
   992  		d := auxIntToInt32(v_0.AuxInt)
   993  		s := auxToSym(v_0.Aux)
   994  		x := v_0.Args[0]
   995  		if !(is32Bit(int64(c) + int64(d))) {
   996  			break
   997  		}
   998  		v.reset(Op386LEAL)
   999  		v.AuxInt = int32ToAuxInt(c + d)
  1000  		v.Aux = symToAux(s)
  1001  		v.AddArg(x)
  1002  		return true
  1003  	}
  1004  	// match: (ADDLconst [c] x:(SP))
  1005  	// result: (LEAL [c] x)
  1006  	for {
  1007  		c := auxIntToInt32(v.AuxInt)
  1008  		x := v_0
  1009  		if x.Op != OpSP {
  1010  			break
  1011  		}
  1012  		v.reset(Op386LEAL)
  1013  		v.AuxInt = int32ToAuxInt(c)
  1014  		v.AddArg(x)
  1015  		return true
  1016  	}
  1017  	// match: (ADDLconst [c] (LEAL1 [d] {s} x y))
  1018  	// cond: is32Bit(int64(c)+int64(d))
  1019  	// result: (LEAL1 [c+d] {s} x y)
  1020  	for {
  1021  		c := auxIntToInt32(v.AuxInt)
  1022  		if v_0.Op != Op386LEAL1 {
  1023  			break
  1024  		}
  1025  		d := auxIntToInt32(v_0.AuxInt)
  1026  		s := auxToSym(v_0.Aux)
  1027  		y := v_0.Args[1]
  1028  		x := v_0.Args[0]
  1029  		if !(is32Bit(int64(c) + int64(d))) {
  1030  			break
  1031  		}
  1032  		v.reset(Op386LEAL1)
  1033  		v.AuxInt = int32ToAuxInt(c + d)
  1034  		v.Aux = symToAux(s)
  1035  		v.AddArg2(x, y)
  1036  		return true
  1037  	}
  1038  	// match: (ADDLconst [c] (LEAL2 [d] {s} x y))
  1039  	// cond: is32Bit(int64(c)+int64(d))
  1040  	// result: (LEAL2 [c+d] {s} x y)
  1041  	for {
  1042  		c := auxIntToInt32(v.AuxInt)
  1043  		if v_0.Op != Op386LEAL2 {
  1044  			break
  1045  		}
  1046  		d := auxIntToInt32(v_0.AuxInt)
  1047  		s := auxToSym(v_0.Aux)
  1048  		y := v_0.Args[1]
  1049  		x := v_0.Args[0]
  1050  		if !(is32Bit(int64(c) + int64(d))) {
  1051  			break
  1052  		}
  1053  		v.reset(Op386LEAL2)
  1054  		v.AuxInt = int32ToAuxInt(c + d)
  1055  		v.Aux = symToAux(s)
  1056  		v.AddArg2(x, y)
  1057  		return true
  1058  	}
  1059  	// match: (ADDLconst [c] (LEAL4 [d] {s} x y))
  1060  	// cond: is32Bit(int64(c)+int64(d))
  1061  	// result: (LEAL4 [c+d] {s} x y)
  1062  	for {
  1063  		c := auxIntToInt32(v.AuxInt)
  1064  		if v_0.Op != Op386LEAL4 {
  1065  			break
  1066  		}
  1067  		d := auxIntToInt32(v_0.AuxInt)
  1068  		s := auxToSym(v_0.Aux)
  1069  		y := v_0.Args[1]
  1070  		x := v_0.Args[0]
  1071  		if !(is32Bit(int64(c) + int64(d))) {
  1072  			break
  1073  		}
  1074  		v.reset(Op386LEAL4)
  1075  		v.AuxInt = int32ToAuxInt(c + d)
  1076  		v.Aux = symToAux(s)
  1077  		v.AddArg2(x, y)
  1078  		return true
  1079  	}
  1080  	// match: (ADDLconst [c] (LEAL8 [d] {s} x y))
  1081  	// cond: is32Bit(int64(c)+int64(d))
  1082  	// result: (LEAL8 [c+d] {s} x y)
  1083  	for {
  1084  		c := auxIntToInt32(v.AuxInt)
  1085  		if v_0.Op != Op386LEAL8 {
  1086  			break
  1087  		}
  1088  		d := auxIntToInt32(v_0.AuxInt)
  1089  		s := auxToSym(v_0.Aux)
  1090  		y := v_0.Args[1]
  1091  		x := v_0.Args[0]
  1092  		if !(is32Bit(int64(c) + int64(d))) {
  1093  			break
  1094  		}
  1095  		v.reset(Op386LEAL8)
  1096  		v.AuxInt = int32ToAuxInt(c + d)
  1097  		v.Aux = symToAux(s)
  1098  		v.AddArg2(x, y)
  1099  		return true
  1100  	}
  1101  	// match: (ADDLconst [c] x)
  1102  	// cond: c==0
  1103  	// result: x
  1104  	for {
  1105  		c := auxIntToInt32(v.AuxInt)
  1106  		x := v_0
  1107  		if !(c == 0) {
  1108  			break
  1109  		}
  1110  		v.copyOf(x)
  1111  		return true
  1112  	}
  1113  	// match: (ADDLconst [c] (MOVLconst [d]))
  1114  	// result: (MOVLconst [c+d])
  1115  	for {
  1116  		c := auxIntToInt32(v.AuxInt)
  1117  		if v_0.Op != Op386MOVLconst {
  1118  			break
  1119  		}
  1120  		d := auxIntToInt32(v_0.AuxInt)
  1121  		v.reset(Op386MOVLconst)
  1122  		v.AuxInt = int32ToAuxInt(c + d)
  1123  		return true
  1124  	}
  1125  	// match: (ADDLconst [c] (ADDLconst [d] x))
  1126  	// result: (ADDLconst [c+d] x)
  1127  	for {
  1128  		c := auxIntToInt32(v.AuxInt)
  1129  		if v_0.Op != Op386ADDLconst {
  1130  			break
  1131  		}
  1132  		d := auxIntToInt32(v_0.AuxInt)
  1133  		x := v_0.Args[0]
  1134  		v.reset(Op386ADDLconst)
  1135  		v.AuxInt = int32ToAuxInt(c + d)
  1136  		v.AddArg(x)
  1137  		return true
  1138  	}
  1139  	return false
  1140  }
  1141  func rewriteValue386_Op386ADDLconstmodify(v *Value) bool {
  1142  	v_1 := v.Args[1]
  1143  	v_0 := v.Args[0]
  1144  	b := v.Block
  1145  	config := b.Func.Config
  1146  	// match: (ADDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1147  	// cond: valoff1.canAdd32(off2)
  1148  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1149  	for {
  1150  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1151  		sym := auxToSym(v.Aux)
  1152  		if v_0.Op != Op386ADDLconst {
  1153  			break
  1154  		}
  1155  		off2 := auxIntToInt32(v_0.AuxInt)
  1156  		base := v_0.Args[0]
  1157  		mem := v_1
  1158  		if !(valoff1.canAdd32(off2)) {
  1159  			break
  1160  		}
  1161  		v.reset(Op386ADDLconstmodify)
  1162  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1163  		v.Aux = symToAux(sym)
  1164  		v.AddArg2(base, mem)
  1165  		return true
  1166  	}
  1167  	// match: (ADDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1168  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1169  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1170  	for {
  1171  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1172  		sym1 := auxToSym(v.Aux)
  1173  		if v_0.Op != Op386LEAL {
  1174  			break
  1175  		}
  1176  		off2 := auxIntToInt32(v_0.AuxInt)
  1177  		sym2 := auxToSym(v_0.Aux)
  1178  		base := v_0.Args[0]
  1179  		mem := v_1
  1180  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1181  			break
  1182  		}
  1183  		v.reset(Op386ADDLconstmodify)
  1184  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1185  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1186  		v.AddArg2(base, mem)
  1187  		return true
  1188  	}
  1189  	return false
  1190  }
  1191  func rewriteValue386_Op386ADDLload(v *Value) bool {
  1192  	v_2 := v.Args[2]
  1193  	v_1 := v.Args[1]
  1194  	v_0 := v.Args[0]
  1195  	b := v.Block
  1196  	config := b.Func.Config
  1197  	// match: (ADDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1198  	// cond: is32Bit(int64(off1)+int64(off2))
  1199  	// result: (ADDLload [off1+off2] {sym} val base mem)
  1200  	for {
  1201  		off1 := auxIntToInt32(v.AuxInt)
  1202  		sym := auxToSym(v.Aux)
  1203  		val := v_0
  1204  		if v_1.Op != Op386ADDLconst {
  1205  			break
  1206  		}
  1207  		off2 := auxIntToInt32(v_1.AuxInt)
  1208  		base := v_1.Args[0]
  1209  		mem := v_2
  1210  		if !(is32Bit(int64(off1) + int64(off2))) {
  1211  			break
  1212  		}
  1213  		v.reset(Op386ADDLload)
  1214  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1215  		v.Aux = symToAux(sym)
  1216  		v.AddArg3(val, base, mem)
  1217  		return true
  1218  	}
  1219  	// match: (ADDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1220  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1221  	// result: (ADDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1222  	for {
  1223  		off1 := auxIntToInt32(v.AuxInt)
  1224  		sym1 := auxToSym(v.Aux)
  1225  		val := v_0
  1226  		if v_1.Op != Op386LEAL {
  1227  			break
  1228  		}
  1229  		off2 := auxIntToInt32(v_1.AuxInt)
  1230  		sym2 := auxToSym(v_1.Aux)
  1231  		base := v_1.Args[0]
  1232  		mem := v_2
  1233  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1234  			break
  1235  		}
  1236  		v.reset(Op386ADDLload)
  1237  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1238  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1239  		v.AddArg3(val, base, mem)
  1240  		return true
  1241  	}
  1242  	return false
  1243  }
  1244  func rewriteValue386_Op386ADDLmodify(v *Value) bool {
  1245  	v_2 := v.Args[2]
  1246  	v_1 := v.Args[1]
  1247  	v_0 := v.Args[0]
  1248  	b := v.Block
  1249  	config := b.Func.Config
  1250  	// match: (ADDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1251  	// cond: is32Bit(int64(off1)+int64(off2))
  1252  	// result: (ADDLmodify [off1+off2] {sym} base val mem)
  1253  	for {
  1254  		off1 := auxIntToInt32(v.AuxInt)
  1255  		sym := auxToSym(v.Aux)
  1256  		if v_0.Op != Op386ADDLconst {
  1257  			break
  1258  		}
  1259  		off2 := auxIntToInt32(v_0.AuxInt)
  1260  		base := v_0.Args[0]
  1261  		val := v_1
  1262  		mem := v_2
  1263  		if !(is32Bit(int64(off1) + int64(off2))) {
  1264  			break
  1265  		}
  1266  		v.reset(Op386ADDLmodify)
  1267  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1268  		v.Aux = symToAux(sym)
  1269  		v.AddArg3(base, val, mem)
  1270  		return true
  1271  	}
  1272  	// match: (ADDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1273  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1274  	// result: (ADDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1275  	for {
  1276  		off1 := auxIntToInt32(v.AuxInt)
  1277  		sym1 := auxToSym(v.Aux)
  1278  		if v_0.Op != Op386LEAL {
  1279  			break
  1280  		}
  1281  		off2 := auxIntToInt32(v_0.AuxInt)
  1282  		sym2 := auxToSym(v_0.Aux)
  1283  		base := v_0.Args[0]
  1284  		val := v_1
  1285  		mem := v_2
  1286  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1287  			break
  1288  		}
  1289  		v.reset(Op386ADDLmodify)
  1290  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1291  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1292  		v.AddArg3(base, val, mem)
  1293  		return true
  1294  	}
  1295  	return false
  1296  }
  1297  func rewriteValue386_Op386ADDSD(v *Value) bool {
  1298  	v_1 := v.Args[1]
  1299  	v_0 := v.Args[0]
  1300  	// match: (ADDSD x l:(MOVSDload [off] {sym} ptr mem))
  1301  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1302  	// result: (ADDSDload x [off] {sym} ptr mem)
  1303  	for {
  1304  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1305  			x := v_0
  1306  			l := v_1
  1307  			if l.Op != Op386MOVSDload {
  1308  				continue
  1309  			}
  1310  			off := auxIntToInt32(l.AuxInt)
  1311  			sym := auxToSym(l.Aux)
  1312  			mem := l.Args[1]
  1313  			ptr := l.Args[0]
  1314  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1315  				continue
  1316  			}
  1317  			v.reset(Op386ADDSDload)
  1318  			v.AuxInt = int32ToAuxInt(off)
  1319  			v.Aux = symToAux(sym)
  1320  			v.AddArg3(x, ptr, mem)
  1321  			return true
  1322  		}
  1323  		break
  1324  	}
  1325  	return false
  1326  }
  1327  func rewriteValue386_Op386ADDSDload(v *Value) bool {
  1328  	v_2 := v.Args[2]
  1329  	v_1 := v.Args[1]
  1330  	v_0 := v.Args[0]
  1331  	b := v.Block
  1332  	config := b.Func.Config
  1333  	// match: (ADDSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  1334  	// cond: is32Bit(int64(off1)+int64(off2))
  1335  	// result: (ADDSDload [off1+off2] {sym} val base mem)
  1336  	for {
  1337  		off1 := auxIntToInt32(v.AuxInt)
  1338  		sym := auxToSym(v.Aux)
  1339  		val := v_0
  1340  		if v_1.Op != Op386ADDLconst {
  1341  			break
  1342  		}
  1343  		off2 := auxIntToInt32(v_1.AuxInt)
  1344  		base := v_1.Args[0]
  1345  		mem := v_2
  1346  		if !(is32Bit(int64(off1) + int64(off2))) {
  1347  			break
  1348  		}
  1349  		v.reset(Op386ADDSDload)
  1350  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1351  		v.Aux = symToAux(sym)
  1352  		v.AddArg3(val, base, mem)
  1353  		return true
  1354  	}
  1355  	// match: (ADDSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1356  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1357  	// result: (ADDSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1358  	for {
  1359  		off1 := auxIntToInt32(v.AuxInt)
  1360  		sym1 := auxToSym(v.Aux)
  1361  		val := v_0
  1362  		if v_1.Op != Op386LEAL {
  1363  			break
  1364  		}
  1365  		off2 := auxIntToInt32(v_1.AuxInt)
  1366  		sym2 := auxToSym(v_1.Aux)
  1367  		base := v_1.Args[0]
  1368  		mem := v_2
  1369  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1370  			break
  1371  		}
  1372  		v.reset(Op386ADDSDload)
  1373  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1374  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1375  		v.AddArg3(val, base, mem)
  1376  		return true
  1377  	}
  1378  	return false
  1379  }
  1380  func rewriteValue386_Op386ADDSS(v *Value) bool {
  1381  	v_1 := v.Args[1]
  1382  	v_0 := v.Args[0]
  1383  	// match: (ADDSS x l:(MOVSSload [off] {sym} ptr mem))
  1384  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1385  	// result: (ADDSSload x [off] {sym} ptr mem)
  1386  	for {
  1387  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1388  			x := v_0
  1389  			l := v_1
  1390  			if l.Op != Op386MOVSSload {
  1391  				continue
  1392  			}
  1393  			off := auxIntToInt32(l.AuxInt)
  1394  			sym := auxToSym(l.Aux)
  1395  			mem := l.Args[1]
  1396  			ptr := l.Args[0]
  1397  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1398  				continue
  1399  			}
  1400  			v.reset(Op386ADDSSload)
  1401  			v.AuxInt = int32ToAuxInt(off)
  1402  			v.Aux = symToAux(sym)
  1403  			v.AddArg3(x, ptr, mem)
  1404  			return true
  1405  		}
  1406  		break
  1407  	}
  1408  	return false
  1409  }
  1410  func rewriteValue386_Op386ADDSSload(v *Value) bool {
  1411  	v_2 := v.Args[2]
  1412  	v_1 := v.Args[1]
  1413  	v_0 := v.Args[0]
  1414  	b := v.Block
  1415  	config := b.Func.Config
  1416  	// match: (ADDSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  1417  	// cond: is32Bit(int64(off1)+int64(off2))
  1418  	// result: (ADDSSload [off1+off2] {sym} val base mem)
  1419  	for {
  1420  		off1 := auxIntToInt32(v.AuxInt)
  1421  		sym := auxToSym(v.Aux)
  1422  		val := v_0
  1423  		if v_1.Op != Op386ADDLconst {
  1424  			break
  1425  		}
  1426  		off2 := auxIntToInt32(v_1.AuxInt)
  1427  		base := v_1.Args[0]
  1428  		mem := v_2
  1429  		if !(is32Bit(int64(off1) + int64(off2))) {
  1430  			break
  1431  		}
  1432  		v.reset(Op386ADDSSload)
  1433  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1434  		v.Aux = symToAux(sym)
  1435  		v.AddArg3(val, base, mem)
  1436  		return true
  1437  	}
  1438  	// match: (ADDSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1439  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1440  	// result: (ADDSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1441  	for {
  1442  		off1 := auxIntToInt32(v.AuxInt)
  1443  		sym1 := auxToSym(v.Aux)
  1444  		val := v_0
  1445  		if v_1.Op != Op386LEAL {
  1446  			break
  1447  		}
  1448  		off2 := auxIntToInt32(v_1.AuxInt)
  1449  		sym2 := auxToSym(v_1.Aux)
  1450  		base := v_1.Args[0]
  1451  		mem := v_2
  1452  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1453  			break
  1454  		}
  1455  		v.reset(Op386ADDSSload)
  1456  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1457  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1458  		v.AddArg3(val, base, mem)
  1459  		return true
  1460  	}
  1461  	return false
  1462  }
  1463  func rewriteValue386_Op386ANDL(v *Value) bool {
  1464  	v_1 := v.Args[1]
  1465  	v_0 := v.Args[0]
  1466  	// match: (ANDL x (MOVLconst [c]))
  1467  	// result: (ANDLconst [c] x)
  1468  	for {
  1469  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1470  			x := v_0
  1471  			if v_1.Op != Op386MOVLconst {
  1472  				continue
  1473  			}
  1474  			c := auxIntToInt32(v_1.AuxInt)
  1475  			v.reset(Op386ANDLconst)
  1476  			v.AuxInt = int32ToAuxInt(c)
  1477  			v.AddArg(x)
  1478  			return true
  1479  		}
  1480  		break
  1481  	}
  1482  	// match: (ANDL x l:(MOVLload [off] {sym} ptr mem))
  1483  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1484  	// result: (ANDLload x [off] {sym} ptr mem)
  1485  	for {
  1486  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1487  			x := v_0
  1488  			l := v_1
  1489  			if l.Op != Op386MOVLload {
  1490  				continue
  1491  			}
  1492  			off := auxIntToInt32(l.AuxInt)
  1493  			sym := auxToSym(l.Aux)
  1494  			mem := l.Args[1]
  1495  			ptr := l.Args[0]
  1496  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1497  				continue
  1498  			}
  1499  			v.reset(Op386ANDLload)
  1500  			v.AuxInt = int32ToAuxInt(off)
  1501  			v.Aux = symToAux(sym)
  1502  			v.AddArg3(x, ptr, mem)
  1503  			return true
  1504  		}
  1505  		break
  1506  	}
  1507  	// match: (ANDL x x)
  1508  	// result: x
  1509  	for {
  1510  		x := v_0
  1511  		if x != v_1 {
  1512  			break
  1513  		}
  1514  		v.copyOf(x)
  1515  		return true
  1516  	}
  1517  	return false
  1518  }
  1519  func rewriteValue386_Op386ANDLconst(v *Value) bool {
  1520  	v_0 := v.Args[0]
  1521  	// match: (ANDLconst [c] (ANDLconst [d] x))
  1522  	// result: (ANDLconst [c & d] x)
  1523  	for {
  1524  		c := auxIntToInt32(v.AuxInt)
  1525  		if v_0.Op != Op386ANDLconst {
  1526  			break
  1527  		}
  1528  		d := auxIntToInt32(v_0.AuxInt)
  1529  		x := v_0.Args[0]
  1530  		v.reset(Op386ANDLconst)
  1531  		v.AuxInt = int32ToAuxInt(c & d)
  1532  		v.AddArg(x)
  1533  		return true
  1534  	}
  1535  	// match: (ANDLconst [c] _)
  1536  	// cond: c==0
  1537  	// result: (MOVLconst [0])
  1538  	for {
  1539  		c := auxIntToInt32(v.AuxInt)
  1540  		if !(c == 0) {
  1541  			break
  1542  		}
  1543  		v.reset(Op386MOVLconst)
  1544  		v.AuxInt = int32ToAuxInt(0)
  1545  		return true
  1546  	}
  1547  	// match: (ANDLconst [c] x)
  1548  	// cond: c==-1
  1549  	// result: x
  1550  	for {
  1551  		c := auxIntToInt32(v.AuxInt)
  1552  		x := v_0
  1553  		if !(c == -1) {
  1554  			break
  1555  		}
  1556  		v.copyOf(x)
  1557  		return true
  1558  	}
  1559  	// match: (ANDLconst [c] (MOVLconst [d]))
  1560  	// result: (MOVLconst [c&d])
  1561  	for {
  1562  		c := auxIntToInt32(v.AuxInt)
  1563  		if v_0.Op != Op386MOVLconst {
  1564  			break
  1565  		}
  1566  		d := auxIntToInt32(v_0.AuxInt)
  1567  		v.reset(Op386MOVLconst)
  1568  		v.AuxInt = int32ToAuxInt(c & d)
  1569  		return true
  1570  	}
  1571  	return false
  1572  }
  1573  func rewriteValue386_Op386ANDLconstmodify(v *Value) bool {
  1574  	v_1 := v.Args[1]
  1575  	v_0 := v.Args[0]
  1576  	b := v.Block
  1577  	config := b.Func.Config
  1578  	// match: (ANDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1579  	// cond: valoff1.canAdd32(off2)
  1580  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1581  	for {
  1582  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1583  		sym := auxToSym(v.Aux)
  1584  		if v_0.Op != Op386ADDLconst {
  1585  			break
  1586  		}
  1587  		off2 := auxIntToInt32(v_0.AuxInt)
  1588  		base := v_0.Args[0]
  1589  		mem := v_1
  1590  		if !(valoff1.canAdd32(off2)) {
  1591  			break
  1592  		}
  1593  		v.reset(Op386ANDLconstmodify)
  1594  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1595  		v.Aux = symToAux(sym)
  1596  		v.AddArg2(base, mem)
  1597  		return true
  1598  	}
  1599  	// match: (ANDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1600  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1601  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1602  	for {
  1603  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1604  		sym1 := auxToSym(v.Aux)
  1605  		if v_0.Op != Op386LEAL {
  1606  			break
  1607  		}
  1608  		off2 := auxIntToInt32(v_0.AuxInt)
  1609  		sym2 := auxToSym(v_0.Aux)
  1610  		base := v_0.Args[0]
  1611  		mem := v_1
  1612  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1613  			break
  1614  		}
  1615  		v.reset(Op386ANDLconstmodify)
  1616  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1617  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1618  		v.AddArg2(base, mem)
  1619  		return true
  1620  	}
  1621  	return false
  1622  }
  1623  func rewriteValue386_Op386ANDLload(v *Value) bool {
  1624  	v_2 := v.Args[2]
  1625  	v_1 := v.Args[1]
  1626  	v_0 := v.Args[0]
  1627  	b := v.Block
  1628  	config := b.Func.Config
  1629  	// match: (ANDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1630  	// cond: is32Bit(int64(off1)+int64(off2))
  1631  	// result: (ANDLload [off1+off2] {sym} val base mem)
  1632  	for {
  1633  		off1 := auxIntToInt32(v.AuxInt)
  1634  		sym := auxToSym(v.Aux)
  1635  		val := v_0
  1636  		if v_1.Op != Op386ADDLconst {
  1637  			break
  1638  		}
  1639  		off2 := auxIntToInt32(v_1.AuxInt)
  1640  		base := v_1.Args[0]
  1641  		mem := v_2
  1642  		if !(is32Bit(int64(off1) + int64(off2))) {
  1643  			break
  1644  		}
  1645  		v.reset(Op386ANDLload)
  1646  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1647  		v.Aux = symToAux(sym)
  1648  		v.AddArg3(val, base, mem)
  1649  		return true
  1650  	}
  1651  	// match: (ANDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1652  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1653  	// result: (ANDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1654  	for {
  1655  		off1 := auxIntToInt32(v.AuxInt)
  1656  		sym1 := auxToSym(v.Aux)
  1657  		val := v_0
  1658  		if v_1.Op != Op386LEAL {
  1659  			break
  1660  		}
  1661  		off2 := auxIntToInt32(v_1.AuxInt)
  1662  		sym2 := auxToSym(v_1.Aux)
  1663  		base := v_1.Args[0]
  1664  		mem := v_2
  1665  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1666  			break
  1667  		}
  1668  		v.reset(Op386ANDLload)
  1669  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1670  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1671  		v.AddArg3(val, base, mem)
  1672  		return true
  1673  	}
  1674  	return false
  1675  }
  1676  func rewriteValue386_Op386ANDLmodify(v *Value) bool {
  1677  	v_2 := v.Args[2]
  1678  	v_1 := v.Args[1]
  1679  	v_0 := v.Args[0]
  1680  	b := v.Block
  1681  	config := b.Func.Config
  1682  	// match: (ANDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1683  	// cond: is32Bit(int64(off1)+int64(off2))
  1684  	// result: (ANDLmodify [off1+off2] {sym} base val mem)
  1685  	for {
  1686  		off1 := auxIntToInt32(v.AuxInt)
  1687  		sym := auxToSym(v.Aux)
  1688  		if v_0.Op != Op386ADDLconst {
  1689  			break
  1690  		}
  1691  		off2 := auxIntToInt32(v_0.AuxInt)
  1692  		base := v_0.Args[0]
  1693  		val := v_1
  1694  		mem := v_2
  1695  		if !(is32Bit(int64(off1) + int64(off2))) {
  1696  			break
  1697  		}
  1698  		v.reset(Op386ANDLmodify)
  1699  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1700  		v.Aux = symToAux(sym)
  1701  		v.AddArg3(base, val, mem)
  1702  		return true
  1703  	}
  1704  	// match: (ANDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1705  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1706  	// result: (ANDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1707  	for {
  1708  		off1 := auxIntToInt32(v.AuxInt)
  1709  		sym1 := auxToSym(v.Aux)
  1710  		if v_0.Op != Op386LEAL {
  1711  			break
  1712  		}
  1713  		off2 := auxIntToInt32(v_0.AuxInt)
  1714  		sym2 := auxToSym(v_0.Aux)
  1715  		base := v_0.Args[0]
  1716  		val := v_1
  1717  		mem := v_2
  1718  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1719  			break
  1720  		}
  1721  		v.reset(Op386ANDLmodify)
  1722  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1723  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1724  		v.AddArg3(base, val, mem)
  1725  		return true
  1726  	}
  1727  	return false
  1728  }
  1729  func rewriteValue386_Op386CMPB(v *Value) bool {
  1730  	v_1 := v.Args[1]
  1731  	v_0 := v.Args[0]
  1732  	b := v.Block
  1733  	// match: (CMPB x (MOVLconst [c]))
  1734  	// result: (CMPBconst x [int8(c)])
  1735  	for {
  1736  		x := v_0
  1737  		if v_1.Op != Op386MOVLconst {
  1738  			break
  1739  		}
  1740  		c := auxIntToInt32(v_1.AuxInt)
  1741  		v.reset(Op386CMPBconst)
  1742  		v.AuxInt = int8ToAuxInt(int8(c))
  1743  		v.AddArg(x)
  1744  		return true
  1745  	}
  1746  	// match: (CMPB (MOVLconst [c]) x)
  1747  	// result: (InvertFlags (CMPBconst x [int8(c)]))
  1748  	for {
  1749  		if v_0.Op != Op386MOVLconst {
  1750  			break
  1751  		}
  1752  		c := auxIntToInt32(v_0.AuxInt)
  1753  		x := v_1
  1754  		v.reset(Op386InvertFlags)
  1755  		v0 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  1756  		v0.AuxInt = int8ToAuxInt(int8(c))
  1757  		v0.AddArg(x)
  1758  		v.AddArg(v0)
  1759  		return true
  1760  	}
  1761  	// match: (CMPB x y)
  1762  	// cond: canonLessThan(x,y)
  1763  	// result: (InvertFlags (CMPB y x))
  1764  	for {
  1765  		x := v_0
  1766  		y := v_1
  1767  		if !(canonLessThan(x, y)) {
  1768  			break
  1769  		}
  1770  		v.reset(Op386InvertFlags)
  1771  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  1772  		v0.AddArg2(y, x)
  1773  		v.AddArg(v0)
  1774  		return true
  1775  	}
  1776  	// match: (CMPB l:(MOVBload {sym} [off] ptr mem) x)
  1777  	// cond: canMergeLoad(v, l) && clobber(l)
  1778  	// result: (CMPBload {sym} [off] ptr x mem)
  1779  	for {
  1780  		l := v_0
  1781  		if l.Op != Op386MOVBload {
  1782  			break
  1783  		}
  1784  		off := auxIntToInt32(l.AuxInt)
  1785  		sym := auxToSym(l.Aux)
  1786  		mem := l.Args[1]
  1787  		ptr := l.Args[0]
  1788  		x := v_1
  1789  		if !(canMergeLoad(v, l) && clobber(l)) {
  1790  			break
  1791  		}
  1792  		v.reset(Op386CMPBload)
  1793  		v.AuxInt = int32ToAuxInt(off)
  1794  		v.Aux = symToAux(sym)
  1795  		v.AddArg3(ptr, x, mem)
  1796  		return true
  1797  	}
  1798  	// match: (CMPB x l:(MOVBload {sym} [off] ptr mem))
  1799  	// cond: canMergeLoad(v, l) && clobber(l)
  1800  	// result: (InvertFlags (CMPBload {sym} [off] ptr x mem))
  1801  	for {
  1802  		x := v_0
  1803  		l := v_1
  1804  		if l.Op != Op386MOVBload {
  1805  			break
  1806  		}
  1807  		off := auxIntToInt32(l.AuxInt)
  1808  		sym := auxToSym(l.Aux)
  1809  		mem := l.Args[1]
  1810  		ptr := l.Args[0]
  1811  		if !(canMergeLoad(v, l) && clobber(l)) {
  1812  			break
  1813  		}
  1814  		v.reset(Op386InvertFlags)
  1815  		v0 := b.NewValue0(l.Pos, Op386CMPBload, types.TypeFlags)
  1816  		v0.AuxInt = int32ToAuxInt(off)
  1817  		v0.Aux = symToAux(sym)
  1818  		v0.AddArg3(ptr, x, mem)
  1819  		v.AddArg(v0)
  1820  		return true
  1821  	}
  1822  	return false
  1823  }
  1824  func rewriteValue386_Op386CMPBconst(v *Value) bool {
  1825  	v_0 := v.Args[0]
  1826  	b := v.Block
  1827  	// match: (CMPBconst (MOVLconst [x]) [y])
  1828  	// cond: int8(x)==y
  1829  	// result: (FlagEQ)
  1830  	for {
  1831  		y := auxIntToInt8(v.AuxInt)
  1832  		if v_0.Op != Op386MOVLconst {
  1833  			break
  1834  		}
  1835  		x := auxIntToInt32(v_0.AuxInt)
  1836  		if !(int8(x) == y) {
  1837  			break
  1838  		}
  1839  		v.reset(Op386FlagEQ)
  1840  		return true
  1841  	}
  1842  	// match: (CMPBconst (MOVLconst [x]) [y])
  1843  	// cond: int8(x)<y && uint8(x)<uint8(y)
  1844  	// result: (FlagLT_ULT)
  1845  	for {
  1846  		y := auxIntToInt8(v.AuxInt)
  1847  		if v_0.Op != Op386MOVLconst {
  1848  			break
  1849  		}
  1850  		x := auxIntToInt32(v_0.AuxInt)
  1851  		if !(int8(x) < y && uint8(x) < uint8(y)) {
  1852  			break
  1853  		}
  1854  		v.reset(Op386FlagLT_ULT)
  1855  		return true
  1856  	}
  1857  	// match: (CMPBconst (MOVLconst [x]) [y])
  1858  	// cond: int8(x)<y && uint8(x)>uint8(y)
  1859  	// result: (FlagLT_UGT)
  1860  	for {
  1861  		y := auxIntToInt8(v.AuxInt)
  1862  		if v_0.Op != Op386MOVLconst {
  1863  			break
  1864  		}
  1865  		x := auxIntToInt32(v_0.AuxInt)
  1866  		if !(int8(x) < y && uint8(x) > uint8(y)) {
  1867  			break
  1868  		}
  1869  		v.reset(Op386FlagLT_UGT)
  1870  		return true
  1871  	}
  1872  	// match: (CMPBconst (MOVLconst [x]) [y])
  1873  	// cond: int8(x)>y && uint8(x)<uint8(y)
  1874  	// result: (FlagGT_ULT)
  1875  	for {
  1876  		y := auxIntToInt8(v.AuxInt)
  1877  		if v_0.Op != Op386MOVLconst {
  1878  			break
  1879  		}
  1880  		x := auxIntToInt32(v_0.AuxInt)
  1881  		if !(int8(x) > y && uint8(x) < uint8(y)) {
  1882  			break
  1883  		}
  1884  		v.reset(Op386FlagGT_ULT)
  1885  		return true
  1886  	}
  1887  	// match: (CMPBconst (MOVLconst [x]) [y])
  1888  	// cond: int8(x)>y && uint8(x)>uint8(y)
  1889  	// result: (FlagGT_UGT)
  1890  	for {
  1891  		y := auxIntToInt8(v.AuxInt)
  1892  		if v_0.Op != Op386MOVLconst {
  1893  			break
  1894  		}
  1895  		x := auxIntToInt32(v_0.AuxInt)
  1896  		if !(int8(x) > y && uint8(x) > uint8(y)) {
  1897  			break
  1898  		}
  1899  		v.reset(Op386FlagGT_UGT)
  1900  		return true
  1901  	}
  1902  	// match: (CMPBconst (ANDLconst _ [m]) [n])
  1903  	// cond: 0 <= int8(m) && int8(m) < n
  1904  	// result: (FlagLT_ULT)
  1905  	for {
  1906  		n := auxIntToInt8(v.AuxInt)
  1907  		if v_0.Op != Op386ANDLconst {
  1908  			break
  1909  		}
  1910  		m := auxIntToInt32(v_0.AuxInt)
  1911  		if !(0 <= int8(m) && int8(m) < n) {
  1912  			break
  1913  		}
  1914  		v.reset(Op386FlagLT_ULT)
  1915  		return true
  1916  	}
  1917  	// match: (CMPBconst l:(ANDL x y) [0])
  1918  	// cond: l.Uses==1
  1919  	// result: (TESTB x y)
  1920  	for {
  1921  		if auxIntToInt8(v.AuxInt) != 0 {
  1922  			break
  1923  		}
  1924  		l := v_0
  1925  		if l.Op != Op386ANDL {
  1926  			break
  1927  		}
  1928  		y := l.Args[1]
  1929  		x := l.Args[0]
  1930  		if !(l.Uses == 1) {
  1931  			break
  1932  		}
  1933  		v.reset(Op386TESTB)
  1934  		v.AddArg2(x, y)
  1935  		return true
  1936  	}
  1937  	// match: (CMPBconst l:(ANDLconst [c] x) [0])
  1938  	// cond: l.Uses==1
  1939  	// result: (TESTBconst [int8(c)] x)
  1940  	for {
  1941  		if auxIntToInt8(v.AuxInt) != 0 {
  1942  			break
  1943  		}
  1944  		l := v_0
  1945  		if l.Op != Op386ANDLconst {
  1946  			break
  1947  		}
  1948  		c := auxIntToInt32(l.AuxInt)
  1949  		x := l.Args[0]
  1950  		if !(l.Uses == 1) {
  1951  			break
  1952  		}
  1953  		v.reset(Op386TESTBconst)
  1954  		v.AuxInt = int8ToAuxInt(int8(c))
  1955  		v.AddArg(x)
  1956  		return true
  1957  	}
  1958  	// match: (CMPBconst x [0])
  1959  	// result: (TESTB x x)
  1960  	for {
  1961  		if auxIntToInt8(v.AuxInt) != 0 {
  1962  			break
  1963  		}
  1964  		x := v_0
  1965  		v.reset(Op386TESTB)
  1966  		v.AddArg2(x, x)
  1967  		return true
  1968  	}
  1969  	// match: (CMPBconst l:(MOVBload {sym} [off] ptr mem) [c])
  1970  	// cond: l.Uses == 1 && clobber(l)
  1971  	// result: @l.Block (CMPBconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  1972  	for {
  1973  		c := auxIntToInt8(v.AuxInt)
  1974  		l := v_0
  1975  		if l.Op != Op386MOVBload {
  1976  			break
  1977  		}
  1978  		off := auxIntToInt32(l.AuxInt)
  1979  		sym := auxToSym(l.Aux)
  1980  		mem := l.Args[1]
  1981  		ptr := l.Args[0]
  1982  		if !(l.Uses == 1 && clobber(l)) {
  1983  			break
  1984  		}
  1985  		b = l.Block
  1986  		v0 := b.NewValue0(l.Pos, Op386CMPBconstload, types.TypeFlags)
  1987  		v.copyOf(v0)
  1988  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  1989  		v0.Aux = symToAux(sym)
  1990  		v0.AddArg2(ptr, mem)
  1991  		return true
  1992  	}
  1993  	return false
  1994  }
  1995  func rewriteValue386_Op386CMPBload(v *Value) bool {
  1996  	v_2 := v.Args[2]
  1997  	v_1 := v.Args[1]
  1998  	v_0 := v.Args[0]
  1999  	// match: (CMPBload {sym} [off] ptr (MOVLconst [c]) mem)
  2000  	// result: (CMPBconstload {sym} [makeValAndOff(int32(int8(c)),off)] ptr mem)
  2001  	for {
  2002  		off := auxIntToInt32(v.AuxInt)
  2003  		sym := auxToSym(v.Aux)
  2004  		ptr := v_0
  2005  		if v_1.Op != Op386MOVLconst {
  2006  			break
  2007  		}
  2008  		c := auxIntToInt32(v_1.AuxInt)
  2009  		mem := v_2
  2010  		v.reset(Op386CMPBconstload)
  2011  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int8(c)), off))
  2012  		v.Aux = symToAux(sym)
  2013  		v.AddArg2(ptr, mem)
  2014  		return true
  2015  	}
  2016  	return false
  2017  }
  2018  func rewriteValue386_Op386CMPL(v *Value) bool {
  2019  	v_1 := v.Args[1]
  2020  	v_0 := v.Args[0]
  2021  	b := v.Block
  2022  	// match: (CMPL x (MOVLconst [c]))
  2023  	// result: (CMPLconst x [c])
  2024  	for {
  2025  		x := v_0
  2026  		if v_1.Op != Op386MOVLconst {
  2027  			break
  2028  		}
  2029  		c := auxIntToInt32(v_1.AuxInt)
  2030  		v.reset(Op386CMPLconst)
  2031  		v.AuxInt = int32ToAuxInt(c)
  2032  		v.AddArg(x)
  2033  		return true
  2034  	}
  2035  	// match: (CMPL (MOVLconst [c]) x)
  2036  	// result: (InvertFlags (CMPLconst x [c]))
  2037  	for {
  2038  		if v_0.Op != Op386MOVLconst {
  2039  			break
  2040  		}
  2041  		c := auxIntToInt32(v_0.AuxInt)
  2042  		x := v_1
  2043  		v.reset(Op386InvertFlags)
  2044  		v0 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  2045  		v0.AuxInt = int32ToAuxInt(c)
  2046  		v0.AddArg(x)
  2047  		v.AddArg(v0)
  2048  		return true
  2049  	}
  2050  	// match: (CMPL x y)
  2051  	// cond: canonLessThan(x,y)
  2052  	// result: (InvertFlags (CMPL y x))
  2053  	for {
  2054  		x := v_0
  2055  		y := v_1
  2056  		if !(canonLessThan(x, y)) {
  2057  			break
  2058  		}
  2059  		v.reset(Op386InvertFlags)
  2060  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  2061  		v0.AddArg2(y, x)
  2062  		v.AddArg(v0)
  2063  		return true
  2064  	}
  2065  	// match: (CMPL l:(MOVLload {sym} [off] ptr mem) x)
  2066  	// cond: canMergeLoad(v, l) && clobber(l)
  2067  	// result: (CMPLload {sym} [off] ptr x mem)
  2068  	for {
  2069  		l := v_0
  2070  		if l.Op != Op386MOVLload {
  2071  			break
  2072  		}
  2073  		off := auxIntToInt32(l.AuxInt)
  2074  		sym := auxToSym(l.Aux)
  2075  		mem := l.Args[1]
  2076  		ptr := l.Args[0]
  2077  		x := v_1
  2078  		if !(canMergeLoad(v, l) && clobber(l)) {
  2079  			break
  2080  		}
  2081  		v.reset(Op386CMPLload)
  2082  		v.AuxInt = int32ToAuxInt(off)
  2083  		v.Aux = symToAux(sym)
  2084  		v.AddArg3(ptr, x, mem)
  2085  		return true
  2086  	}
  2087  	// match: (CMPL x l:(MOVLload {sym} [off] ptr mem))
  2088  	// cond: canMergeLoad(v, l) && clobber(l)
  2089  	// result: (InvertFlags (CMPLload {sym} [off] ptr x mem))
  2090  	for {
  2091  		x := v_0
  2092  		l := v_1
  2093  		if l.Op != Op386MOVLload {
  2094  			break
  2095  		}
  2096  		off := auxIntToInt32(l.AuxInt)
  2097  		sym := auxToSym(l.Aux)
  2098  		mem := l.Args[1]
  2099  		ptr := l.Args[0]
  2100  		if !(canMergeLoad(v, l) && clobber(l)) {
  2101  			break
  2102  		}
  2103  		v.reset(Op386InvertFlags)
  2104  		v0 := b.NewValue0(l.Pos, Op386CMPLload, types.TypeFlags)
  2105  		v0.AuxInt = int32ToAuxInt(off)
  2106  		v0.Aux = symToAux(sym)
  2107  		v0.AddArg3(ptr, x, mem)
  2108  		v.AddArg(v0)
  2109  		return true
  2110  	}
  2111  	return false
  2112  }
  2113  func rewriteValue386_Op386CMPLconst(v *Value) bool {
  2114  	v_0 := v.Args[0]
  2115  	b := v.Block
  2116  	// match: (CMPLconst (MOVLconst [x]) [y])
  2117  	// cond: x==y
  2118  	// result: (FlagEQ)
  2119  	for {
  2120  		y := auxIntToInt32(v.AuxInt)
  2121  		if v_0.Op != Op386MOVLconst {
  2122  			break
  2123  		}
  2124  		x := auxIntToInt32(v_0.AuxInt)
  2125  		if !(x == y) {
  2126  			break
  2127  		}
  2128  		v.reset(Op386FlagEQ)
  2129  		return true
  2130  	}
  2131  	// match: (CMPLconst (MOVLconst [x]) [y])
  2132  	// cond: x<y && uint32(x)<uint32(y)
  2133  	// result: (FlagLT_ULT)
  2134  	for {
  2135  		y := auxIntToInt32(v.AuxInt)
  2136  		if v_0.Op != Op386MOVLconst {
  2137  			break
  2138  		}
  2139  		x := auxIntToInt32(v_0.AuxInt)
  2140  		if !(x < y && uint32(x) < uint32(y)) {
  2141  			break
  2142  		}
  2143  		v.reset(Op386FlagLT_ULT)
  2144  		return true
  2145  	}
  2146  	// match: (CMPLconst (MOVLconst [x]) [y])
  2147  	// cond: x<y && uint32(x)>uint32(y)
  2148  	// result: (FlagLT_UGT)
  2149  	for {
  2150  		y := auxIntToInt32(v.AuxInt)
  2151  		if v_0.Op != Op386MOVLconst {
  2152  			break
  2153  		}
  2154  		x := auxIntToInt32(v_0.AuxInt)
  2155  		if !(x < y && uint32(x) > uint32(y)) {
  2156  			break
  2157  		}
  2158  		v.reset(Op386FlagLT_UGT)
  2159  		return true
  2160  	}
  2161  	// match: (CMPLconst (MOVLconst [x]) [y])
  2162  	// cond: x>y && uint32(x)<uint32(y)
  2163  	// result: (FlagGT_ULT)
  2164  	for {
  2165  		y := auxIntToInt32(v.AuxInt)
  2166  		if v_0.Op != Op386MOVLconst {
  2167  			break
  2168  		}
  2169  		x := auxIntToInt32(v_0.AuxInt)
  2170  		if !(x > y && uint32(x) < uint32(y)) {
  2171  			break
  2172  		}
  2173  		v.reset(Op386FlagGT_ULT)
  2174  		return true
  2175  	}
  2176  	// match: (CMPLconst (MOVLconst [x]) [y])
  2177  	// cond: x>y && uint32(x)>uint32(y)
  2178  	// result: (FlagGT_UGT)
  2179  	for {
  2180  		y := auxIntToInt32(v.AuxInt)
  2181  		if v_0.Op != Op386MOVLconst {
  2182  			break
  2183  		}
  2184  		x := auxIntToInt32(v_0.AuxInt)
  2185  		if !(x > y && uint32(x) > uint32(y)) {
  2186  			break
  2187  		}
  2188  		v.reset(Op386FlagGT_UGT)
  2189  		return true
  2190  	}
  2191  	// match: (CMPLconst (SHRLconst _ [c]) [n])
  2192  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  2193  	// result: (FlagLT_ULT)
  2194  	for {
  2195  		n := auxIntToInt32(v.AuxInt)
  2196  		if v_0.Op != Op386SHRLconst {
  2197  			break
  2198  		}
  2199  		c := auxIntToInt32(v_0.AuxInt)
  2200  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  2201  			break
  2202  		}
  2203  		v.reset(Op386FlagLT_ULT)
  2204  		return true
  2205  	}
  2206  	// match: (CMPLconst (ANDLconst _ [m]) [n])
  2207  	// cond: 0 <= m && m < n
  2208  	// result: (FlagLT_ULT)
  2209  	for {
  2210  		n := auxIntToInt32(v.AuxInt)
  2211  		if v_0.Op != Op386ANDLconst {
  2212  			break
  2213  		}
  2214  		m := auxIntToInt32(v_0.AuxInt)
  2215  		if !(0 <= m && m < n) {
  2216  			break
  2217  		}
  2218  		v.reset(Op386FlagLT_ULT)
  2219  		return true
  2220  	}
  2221  	// match: (CMPLconst l:(ANDL x y) [0])
  2222  	// cond: l.Uses==1
  2223  	// result: (TESTL x y)
  2224  	for {
  2225  		if auxIntToInt32(v.AuxInt) != 0 {
  2226  			break
  2227  		}
  2228  		l := v_0
  2229  		if l.Op != Op386ANDL {
  2230  			break
  2231  		}
  2232  		y := l.Args[1]
  2233  		x := l.Args[0]
  2234  		if !(l.Uses == 1) {
  2235  			break
  2236  		}
  2237  		v.reset(Op386TESTL)
  2238  		v.AddArg2(x, y)
  2239  		return true
  2240  	}
  2241  	// match: (CMPLconst l:(ANDLconst [c] x) [0])
  2242  	// cond: l.Uses==1
  2243  	// result: (TESTLconst [c] x)
  2244  	for {
  2245  		if auxIntToInt32(v.AuxInt) != 0 {
  2246  			break
  2247  		}
  2248  		l := v_0
  2249  		if l.Op != Op386ANDLconst {
  2250  			break
  2251  		}
  2252  		c := auxIntToInt32(l.AuxInt)
  2253  		x := l.Args[0]
  2254  		if !(l.Uses == 1) {
  2255  			break
  2256  		}
  2257  		v.reset(Op386TESTLconst)
  2258  		v.AuxInt = int32ToAuxInt(c)
  2259  		v.AddArg(x)
  2260  		return true
  2261  	}
  2262  	// match: (CMPLconst x [0])
  2263  	// result: (TESTL x x)
  2264  	for {
  2265  		if auxIntToInt32(v.AuxInt) != 0 {
  2266  			break
  2267  		}
  2268  		x := v_0
  2269  		v.reset(Op386TESTL)
  2270  		v.AddArg2(x, x)
  2271  		return true
  2272  	}
  2273  	// match: (CMPLconst l:(MOVLload {sym} [off] ptr mem) [c])
  2274  	// cond: l.Uses == 1 && clobber(l)
  2275  	// result: @l.Block (CMPLconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2276  	for {
  2277  		c := auxIntToInt32(v.AuxInt)
  2278  		l := v_0
  2279  		if l.Op != Op386MOVLload {
  2280  			break
  2281  		}
  2282  		off := auxIntToInt32(l.AuxInt)
  2283  		sym := auxToSym(l.Aux)
  2284  		mem := l.Args[1]
  2285  		ptr := l.Args[0]
  2286  		if !(l.Uses == 1 && clobber(l)) {
  2287  			break
  2288  		}
  2289  		b = l.Block
  2290  		v0 := b.NewValue0(l.Pos, Op386CMPLconstload, types.TypeFlags)
  2291  		v.copyOf(v0)
  2292  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2293  		v0.Aux = symToAux(sym)
  2294  		v0.AddArg2(ptr, mem)
  2295  		return true
  2296  	}
  2297  	return false
  2298  }
  2299  func rewriteValue386_Op386CMPLload(v *Value) bool {
  2300  	v_2 := v.Args[2]
  2301  	v_1 := v.Args[1]
  2302  	v_0 := v.Args[0]
  2303  	// match: (CMPLload {sym} [off] ptr (MOVLconst [c]) mem)
  2304  	// result: (CMPLconstload {sym} [makeValAndOff(c,off)] ptr mem)
  2305  	for {
  2306  		off := auxIntToInt32(v.AuxInt)
  2307  		sym := auxToSym(v.Aux)
  2308  		ptr := v_0
  2309  		if v_1.Op != Op386MOVLconst {
  2310  			break
  2311  		}
  2312  		c := auxIntToInt32(v_1.AuxInt)
  2313  		mem := v_2
  2314  		v.reset(Op386CMPLconstload)
  2315  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  2316  		v.Aux = symToAux(sym)
  2317  		v.AddArg2(ptr, mem)
  2318  		return true
  2319  	}
  2320  	return false
  2321  }
  2322  func rewriteValue386_Op386CMPW(v *Value) bool {
  2323  	v_1 := v.Args[1]
  2324  	v_0 := v.Args[0]
  2325  	b := v.Block
  2326  	// match: (CMPW x (MOVLconst [c]))
  2327  	// result: (CMPWconst x [int16(c)])
  2328  	for {
  2329  		x := v_0
  2330  		if v_1.Op != Op386MOVLconst {
  2331  			break
  2332  		}
  2333  		c := auxIntToInt32(v_1.AuxInt)
  2334  		v.reset(Op386CMPWconst)
  2335  		v.AuxInt = int16ToAuxInt(int16(c))
  2336  		v.AddArg(x)
  2337  		return true
  2338  	}
  2339  	// match: (CMPW (MOVLconst [c]) x)
  2340  	// result: (InvertFlags (CMPWconst x [int16(c)]))
  2341  	for {
  2342  		if v_0.Op != Op386MOVLconst {
  2343  			break
  2344  		}
  2345  		c := auxIntToInt32(v_0.AuxInt)
  2346  		x := v_1
  2347  		v.reset(Op386InvertFlags)
  2348  		v0 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  2349  		v0.AuxInt = int16ToAuxInt(int16(c))
  2350  		v0.AddArg(x)
  2351  		v.AddArg(v0)
  2352  		return true
  2353  	}
  2354  	// match: (CMPW x y)
  2355  	// cond: canonLessThan(x,y)
  2356  	// result: (InvertFlags (CMPW y x))
  2357  	for {
  2358  		x := v_0
  2359  		y := v_1
  2360  		if !(canonLessThan(x, y)) {
  2361  			break
  2362  		}
  2363  		v.reset(Op386InvertFlags)
  2364  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  2365  		v0.AddArg2(y, x)
  2366  		v.AddArg(v0)
  2367  		return true
  2368  	}
  2369  	// match: (CMPW l:(MOVWload {sym} [off] ptr mem) x)
  2370  	// cond: canMergeLoad(v, l) && clobber(l)
  2371  	// result: (CMPWload {sym} [off] ptr x mem)
  2372  	for {
  2373  		l := v_0
  2374  		if l.Op != Op386MOVWload {
  2375  			break
  2376  		}
  2377  		off := auxIntToInt32(l.AuxInt)
  2378  		sym := auxToSym(l.Aux)
  2379  		mem := l.Args[1]
  2380  		ptr := l.Args[0]
  2381  		x := v_1
  2382  		if !(canMergeLoad(v, l) && clobber(l)) {
  2383  			break
  2384  		}
  2385  		v.reset(Op386CMPWload)
  2386  		v.AuxInt = int32ToAuxInt(off)
  2387  		v.Aux = symToAux(sym)
  2388  		v.AddArg3(ptr, x, mem)
  2389  		return true
  2390  	}
  2391  	// match: (CMPW x l:(MOVWload {sym} [off] ptr mem))
  2392  	// cond: canMergeLoad(v, l) && clobber(l)
  2393  	// result: (InvertFlags (CMPWload {sym} [off] ptr x mem))
  2394  	for {
  2395  		x := v_0
  2396  		l := v_1
  2397  		if l.Op != Op386MOVWload {
  2398  			break
  2399  		}
  2400  		off := auxIntToInt32(l.AuxInt)
  2401  		sym := auxToSym(l.Aux)
  2402  		mem := l.Args[1]
  2403  		ptr := l.Args[0]
  2404  		if !(canMergeLoad(v, l) && clobber(l)) {
  2405  			break
  2406  		}
  2407  		v.reset(Op386InvertFlags)
  2408  		v0 := b.NewValue0(l.Pos, Op386CMPWload, types.TypeFlags)
  2409  		v0.AuxInt = int32ToAuxInt(off)
  2410  		v0.Aux = symToAux(sym)
  2411  		v0.AddArg3(ptr, x, mem)
  2412  		v.AddArg(v0)
  2413  		return true
  2414  	}
  2415  	return false
  2416  }
  2417  func rewriteValue386_Op386CMPWconst(v *Value) bool {
  2418  	v_0 := v.Args[0]
  2419  	b := v.Block
  2420  	// match: (CMPWconst (MOVLconst [x]) [y])
  2421  	// cond: int16(x)==y
  2422  	// result: (FlagEQ)
  2423  	for {
  2424  		y := auxIntToInt16(v.AuxInt)
  2425  		if v_0.Op != Op386MOVLconst {
  2426  			break
  2427  		}
  2428  		x := auxIntToInt32(v_0.AuxInt)
  2429  		if !(int16(x) == y) {
  2430  			break
  2431  		}
  2432  		v.reset(Op386FlagEQ)
  2433  		return true
  2434  	}
  2435  	// match: (CMPWconst (MOVLconst [x]) [y])
  2436  	// cond: int16(x)<y && uint16(x)<uint16(y)
  2437  	// result: (FlagLT_ULT)
  2438  	for {
  2439  		y := auxIntToInt16(v.AuxInt)
  2440  		if v_0.Op != Op386MOVLconst {
  2441  			break
  2442  		}
  2443  		x := auxIntToInt32(v_0.AuxInt)
  2444  		if !(int16(x) < y && uint16(x) < uint16(y)) {
  2445  			break
  2446  		}
  2447  		v.reset(Op386FlagLT_ULT)
  2448  		return true
  2449  	}
  2450  	// match: (CMPWconst (MOVLconst [x]) [y])
  2451  	// cond: int16(x)<y && uint16(x)>uint16(y)
  2452  	// result: (FlagLT_UGT)
  2453  	for {
  2454  		y := auxIntToInt16(v.AuxInt)
  2455  		if v_0.Op != Op386MOVLconst {
  2456  			break
  2457  		}
  2458  		x := auxIntToInt32(v_0.AuxInt)
  2459  		if !(int16(x) < y && uint16(x) > uint16(y)) {
  2460  			break
  2461  		}
  2462  		v.reset(Op386FlagLT_UGT)
  2463  		return true
  2464  	}
  2465  	// match: (CMPWconst (MOVLconst [x]) [y])
  2466  	// cond: int16(x)>y && uint16(x)<uint16(y)
  2467  	// result: (FlagGT_ULT)
  2468  	for {
  2469  		y := auxIntToInt16(v.AuxInt)
  2470  		if v_0.Op != Op386MOVLconst {
  2471  			break
  2472  		}
  2473  		x := auxIntToInt32(v_0.AuxInt)
  2474  		if !(int16(x) > y && uint16(x) < uint16(y)) {
  2475  			break
  2476  		}
  2477  		v.reset(Op386FlagGT_ULT)
  2478  		return true
  2479  	}
  2480  	// match: (CMPWconst (MOVLconst [x]) [y])
  2481  	// cond: int16(x)>y && uint16(x)>uint16(y)
  2482  	// result: (FlagGT_UGT)
  2483  	for {
  2484  		y := auxIntToInt16(v.AuxInt)
  2485  		if v_0.Op != Op386MOVLconst {
  2486  			break
  2487  		}
  2488  		x := auxIntToInt32(v_0.AuxInt)
  2489  		if !(int16(x) > y && uint16(x) > uint16(y)) {
  2490  			break
  2491  		}
  2492  		v.reset(Op386FlagGT_UGT)
  2493  		return true
  2494  	}
  2495  	// match: (CMPWconst (ANDLconst _ [m]) [n])
  2496  	// cond: 0 <= int16(m) && int16(m) < n
  2497  	// result: (FlagLT_ULT)
  2498  	for {
  2499  		n := auxIntToInt16(v.AuxInt)
  2500  		if v_0.Op != Op386ANDLconst {
  2501  			break
  2502  		}
  2503  		m := auxIntToInt32(v_0.AuxInt)
  2504  		if !(0 <= int16(m) && int16(m) < n) {
  2505  			break
  2506  		}
  2507  		v.reset(Op386FlagLT_ULT)
  2508  		return true
  2509  	}
  2510  	// match: (CMPWconst l:(ANDL x y) [0])
  2511  	// cond: l.Uses==1
  2512  	// result: (TESTW x y)
  2513  	for {
  2514  		if auxIntToInt16(v.AuxInt) != 0 {
  2515  			break
  2516  		}
  2517  		l := v_0
  2518  		if l.Op != Op386ANDL {
  2519  			break
  2520  		}
  2521  		y := l.Args[1]
  2522  		x := l.Args[0]
  2523  		if !(l.Uses == 1) {
  2524  			break
  2525  		}
  2526  		v.reset(Op386TESTW)
  2527  		v.AddArg2(x, y)
  2528  		return true
  2529  	}
  2530  	// match: (CMPWconst l:(ANDLconst [c] x) [0])
  2531  	// cond: l.Uses==1
  2532  	// result: (TESTWconst [int16(c)] x)
  2533  	for {
  2534  		if auxIntToInt16(v.AuxInt) != 0 {
  2535  			break
  2536  		}
  2537  		l := v_0
  2538  		if l.Op != Op386ANDLconst {
  2539  			break
  2540  		}
  2541  		c := auxIntToInt32(l.AuxInt)
  2542  		x := l.Args[0]
  2543  		if !(l.Uses == 1) {
  2544  			break
  2545  		}
  2546  		v.reset(Op386TESTWconst)
  2547  		v.AuxInt = int16ToAuxInt(int16(c))
  2548  		v.AddArg(x)
  2549  		return true
  2550  	}
  2551  	// match: (CMPWconst x [0])
  2552  	// result: (TESTW x x)
  2553  	for {
  2554  		if auxIntToInt16(v.AuxInt) != 0 {
  2555  			break
  2556  		}
  2557  		x := v_0
  2558  		v.reset(Op386TESTW)
  2559  		v.AddArg2(x, x)
  2560  		return true
  2561  	}
  2562  	// match: (CMPWconst l:(MOVWload {sym} [off] ptr mem) [c])
  2563  	// cond: l.Uses == 1 && clobber(l)
  2564  	// result: @l.Block (CMPWconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2565  	for {
  2566  		c := auxIntToInt16(v.AuxInt)
  2567  		l := v_0
  2568  		if l.Op != Op386MOVWload {
  2569  			break
  2570  		}
  2571  		off := auxIntToInt32(l.AuxInt)
  2572  		sym := auxToSym(l.Aux)
  2573  		mem := l.Args[1]
  2574  		ptr := l.Args[0]
  2575  		if !(l.Uses == 1 && clobber(l)) {
  2576  			break
  2577  		}
  2578  		b = l.Block
  2579  		v0 := b.NewValue0(l.Pos, Op386CMPWconstload, types.TypeFlags)
  2580  		v.copyOf(v0)
  2581  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2582  		v0.Aux = symToAux(sym)
  2583  		v0.AddArg2(ptr, mem)
  2584  		return true
  2585  	}
  2586  	return false
  2587  }
  2588  func rewriteValue386_Op386CMPWload(v *Value) bool {
  2589  	v_2 := v.Args[2]
  2590  	v_1 := v.Args[1]
  2591  	v_0 := v.Args[0]
  2592  	// match: (CMPWload {sym} [off] ptr (MOVLconst [c]) mem)
  2593  	// result: (CMPWconstload {sym} [makeValAndOff(int32(int16(c)),off)] ptr mem)
  2594  	for {
  2595  		off := auxIntToInt32(v.AuxInt)
  2596  		sym := auxToSym(v.Aux)
  2597  		ptr := v_0
  2598  		if v_1.Op != Op386MOVLconst {
  2599  			break
  2600  		}
  2601  		c := auxIntToInt32(v_1.AuxInt)
  2602  		mem := v_2
  2603  		v.reset(Op386CMPWconstload)
  2604  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int16(c)), off))
  2605  		v.Aux = symToAux(sym)
  2606  		v.AddArg2(ptr, mem)
  2607  		return true
  2608  	}
  2609  	return false
  2610  }
  2611  func rewriteValue386_Op386DIVSD(v *Value) bool {
  2612  	v_1 := v.Args[1]
  2613  	v_0 := v.Args[0]
  2614  	// match: (DIVSD x l:(MOVSDload [off] {sym} ptr mem))
  2615  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2616  	// result: (DIVSDload x [off] {sym} ptr mem)
  2617  	for {
  2618  		x := v_0
  2619  		l := v_1
  2620  		if l.Op != Op386MOVSDload {
  2621  			break
  2622  		}
  2623  		off := auxIntToInt32(l.AuxInt)
  2624  		sym := auxToSym(l.Aux)
  2625  		mem := l.Args[1]
  2626  		ptr := l.Args[0]
  2627  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2628  			break
  2629  		}
  2630  		v.reset(Op386DIVSDload)
  2631  		v.AuxInt = int32ToAuxInt(off)
  2632  		v.Aux = symToAux(sym)
  2633  		v.AddArg3(x, ptr, mem)
  2634  		return true
  2635  	}
  2636  	return false
  2637  }
  2638  func rewriteValue386_Op386DIVSDload(v *Value) bool {
  2639  	v_2 := v.Args[2]
  2640  	v_1 := v.Args[1]
  2641  	v_0 := v.Args[0]
  2642  	b := v.Block
  2643  	config := b.Func.Config
  2644  	// match: (DIVSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  2645  	// cond: is32Bit(int64(off1)+int64(off2))
  2646  	// result: (DIVSDload [off1+off2] {sym} val base mem)
  2647  	for {
  2648  		off1 := auxIntToInt32(v.AuxInt)
  2649  		sym := auxToSym(v.Aux)
  2650  		val := v_0
  2651  		if v_1.Op != Op386ADDLconst {
  2652  			break
  2653  		}
  2654  		off2 := auxIntToInt32(v_1.AuxInt)
  2655  		base := v_1.Args[0]
  2656  		mem := v_2
  2657  		if !(is32Bit(int64(off1) + int64(off2))) {
  2658  			break
  2659  		}
  2660  		v.reset(Op386DIVSDload)
  2661  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2662  		v.Aux = symToAux(sym)
  2663  		v.AddArg3(val, base, mem)
  2664  		return true
  2665  	}
  2666  	// match: (DIVSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2667  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2668  	// result: (DIVSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2669  	for {
  2670  		off1 := auxIntToInt32(v.AuxInt)
  2671  		sym1 := auxToSym(v.Aux)
  2672  		val := v_0
  2673  		if v_1.Op != Op386LEAL {
  2674  			break
  2675  		}
  2676  		off2 := auxIntToInt32(v_1.AuxInt)
  2677  		sym2 := auxToSym(v_1.Aux)
  2678  		base := v_1.Args[0]
  2679  		mem := v_2
  2680  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2681  			break
  2682  		}
  2683  		v.reset(Op386DIVSDload)
  2684  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2685  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2686  		v.AddArg3(val, base, mem)
  2687  		return true
  2688  	}
  2689  	return false
  2690  }
  2691  func rewriteValue386_Op386DIVSS(v *Value) bool {
  2692  	v_1 := v.Args[1]
  2693  	v_0 := v.Args[0]
  2694  	// match: (DIVSS x l:(MOVSSload [off] {sym} ptr mem))
  2695  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2696  	// result: (DIVSSload x [off] {sym} ptr mem)
  2697  	for {
  2698  		x := v_0
  2699  		l := v_1
  2700  		if l.Op != Op386MOVSSload {
  2701  			break
  2702  		}
  2703  		off := auxIntToInt32(l.AuxInt)
  2704  		sym := auxToSym(l.Aux)
  2705  		mem := l.Args[1]
  2706  		ptr := l.Args[0]
  2707  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2708  			break
  2709  		}
  2710  		v.reset(Op386DIVSSload)
  2711  		v.AuxInt = int32ToAuxInt(off)
  2712  		v.Aux = symToAux(sym)
  2713  		v.AddArg3(x, ptr, mem)
  2714  		return true
  2715  	}
  2716  	return false
  2717  }
  2718  func rewriteValue386_Op386DIVSSload(v *Value) bool {
  2719  	v_2 := v.Args[2]
  2720  	v_1 := v.Args[1]
  2721  	v_0 := v.Args[0]
  2722  	b := v.Block
  2723  	config := b.Func.Config
  2724  	// match: (DIVSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  2725  	// cond: is32Bit(int64(off1)+int64(off2))
  2726  	// result: (DIVSSload [off1+off2] {sym} val base mem)
  2727  	for {
  2728  		off1 := auxIntToInt32(v.AuxInt)
  2729  		sym := auxToSym(v.Aux)
  2730  		val := v_0
  2731  		if v_1.Op != Op386ADDLconst {
  2732  			break
  2733  		}
  2734  		off2 := auxIntToInt32(v_1.AuxInt)
  2735  		base := v_1.Args[0]
  2736  		mem := v_2
  2737  		if !(is32Bit(int64(off1) + int64(off2))) {
  2738  			break
  2739  		}
  2740  		v.reset(Op386DIVSSload)
  2741  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2742  		v.Aux = symToAux(sym)
  2743  		v.AddArg3(val, base, mem)
  2744  		return true
  2745  	}
  2746  	// match: (DIVSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2747  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2748  	// result: (DIVSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2749  	for {
  2750  		off1 := auxIntToInt32(v.AuxInt)
  2751  		sym1 := auxToSym(v.Aux)
  2752  		val := v_0
  2753  		if v_1.Op != Op386LEAL {
  2754  			break
  2755  		}
  2756  		off2 := auxIntToInt32(v_1.AuxInt)
  2757  		sym2 := auxToSym(v_1.Aux)
  2758  		base := v_1.Args[0]
  2759  		mem := v_2
  2760  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2761  			break
  2762  		}
  2763  		v.reset(Op386DIVSSload)
  2764  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2765  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2766  		v.AddArg3(val, base, mem)
  2767  		return true
  2768  	}
  2769  	return false
  2770  }
  2771  func rewriteValue386_Op386LEAL(v *Value) bool {
  2772  	v_0 := v.Args[0]
  2773  	// match: (LEAL [c] {s} (ADDLconst [d] x))
  2774  	// cond: is32Bit(int64(c)+int64(d))
  2775  	// result: (LEAL [c+d] {s} x)
  2776  	for {
  2777  		c := auxIntToInt32(v.AuxInt)
  2778  		s := auxToSym(v.Aux)
  2779  		if v_0.Op != Op386ADDLconst {
  2780  			break
  2781  		}
  2782  		d := auxIntToInt32(v_0.AuxInt)
  2783  		x := v_0.Args[0]
  2784  		if !(is32Bit(int64(c) + int64(d))) {
  2785  			break
  2786  		}
  2787  		v.reset(Op386LEAL)
  2788  		v.AuxInt = int32ToAuxInt(c + d)
  2789  		v.Aux = symToAux(s)
  2790  		v.AddArg(x)
  2791  		return true
  2792  	}
  2793  	// match: (LEAL [c] {s} (ADDL x y))
  2794  	// cond: x.Op != OpSB && y.Op != OpSB
  2795  	// result: (LEAL1 [c] {s} x y)
  2796  	for {
  2797  		c := auxIntToInt32(v.AuxInt)
  2798  		s := auxToSym(v.Aux)
  2799  		if v_0.Op != Op386ADDL {
  2800  			break
  2801  		}
  2802  		_ = v_0.Args[1]
  2803  		v_0_0 := v_0.Args[0]
  2804  		v_0_1 := v_0.Args[1]
  2805  		for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  2806  			x := v_0_0
  2807  			y := v_0_1
  2808  			if !(x.Op != OpSB && y.Op != OpSB) {
  2809  				continue
  2810  			}
  2811  			v.reset(Op386LEAL1)
  2812  			v.AuxInt = int32ToAuxInt(c)
  2813  			v.Aux = symToAux(s)
  2814  			v.AddArg2(x, y)
  2815  			return true
  2816  		}
  2817  		break
  2818  	}
  2819  	// match: (LEAL [off1] {sym1} (LEAL [off2] {sym2} x))
  2820  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2821  	// result: (LEAL [off1+off2] {mergeSym(sym1,sym2)} x)
  2822  	for {
  2823  		off1 := auxIntToInt32(v.AuxInt)
  2824  		sym1 := auxToSym(v.Aux)
  2825  		if v_0.Op != Op386LEAL {
  2826  			break
  2827  		}
  2828  		off2 := auxIntToInt32(v_0.AuxInt)
  2829  		sym2 := auxToSym(v_0.Aux)
  2830  		x := v_0.Args[0]
  2831  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2832  			break
  2833  		}
  2834  		v.reset(Op386LEAL)
  2835  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2836  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2837  		v.AddArg(x)
  2838  		return true
  2839  	}
  2840  	// match: (LEAL [off1] {sym1} (LEAL1 [off2] {sym2} x y))
  2841  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2842  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2843  	for {
  2844  		off1 := auxIntToInt32(v.AuxInt)
  2845  		sym1 := auxToSym(v.Aux)
  2846  		if v_0.Op != Op386LEAL1 {
  2847  			break
  2848  		}
  2849  		off2 := auxIntToInt32(v_0.AuxInt)
  2850  		sym2 := auxToSym(v_0.Aux)
  2851  		y := v_0.Args[1]
  2852  		x := v_0.Args[0]
  2853  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2854  			break
  2855  		}
  2856  		v.reset(Op386LEAL1)
  2857  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2858  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2859  		v.AddArg2(x, y)
  2860  		return true
  2861  	}
  2862  	// match: (LEAL [off1] {sym1} (LEAL2 [off2] {sym2} x y))
  2863  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2864  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2865  	for {
  2866  		off1 := auxIntToInt32(v.AuxInt)
  2867  		sym1 := auxToSym(v.Aux)
  2868  		if v_0.Op != Op386LEAL2 {
  2869  			break
  2870  		}
  2871  		off2 := auxIntToInt32(v_0.AuxInt)
  2872  		sym2 := auxToSym(v_0.Aux)
  2873  		y := v_0.Args[1]
  2874  		x := v_0.Args[0]
  2875  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2876  			break
  2877  		}
  2878  		v.reset(Op386LEAL2)
  2879  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2880  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2881  		v.AddArg2(x, y)
  2882  		return true
  2883  	}
  2884  	// match: (LEAL [off1] {sym1} (LEAL4 [off2] {sym2} x y))
  2885  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2886  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2887  	for {
  2888  		off1 := auxIntToInt32(v.AuxInt)
  2889  		sym1 := auxToSym(v.Aux)
  2890  		if v_0.Op != Op386LEAL4 {
  2891  			break
  2892  		}
  2893  		off2 := auxIntToInt32(v_0.AuxInt)
  2894  		sym2 := auxToSym(v_0.Aux)
  2895  		y := v_0.Args[1]
  2896  		x := v_0.Args[0]
  2897  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2898  			break
  2899  		}
  2900  		v.reset(Op386LEAL4)
  2901  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2902  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2903  		v.AddArg2(x, y)
  2904  		return true
  2905  	}
  2906  	// match: (LEAL [off1] {sym1} (LEAL8 [off2] {sym2} x y))
  2907  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2908  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2909  	for {
  2910  		off1 := auxIntToInt32(v.AuxInt)
  2911  		sym1 := auxToSym(v.Aux)
  2912  		if v_0.Op != Op386LEAL8 {
  2913  			break
  2914  		}
  2915  		off2 := auxIntToInt32(v_0.AuxInt)
  2916  		sym2 := auxToSym(v_0.Aux)
  2917  		y := v_0.Args[1]
  2918  		x := v_0.Args[0]
  2919  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2920  			break
  2921  		}
  2922  		v.reset(Op386LEAL8)
  2923  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2924  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2925  		v.AddArg2(x, y)
  2926  		return true
  2927  	}
  2928  	return false
  2929  }
  2930  func rewriteValue386_Op386LEAL1(v *Value) bool {
  2931  	v_1 := v.Args[1]
  2932  	v_0 := v.Args[0]
  2933  	// match: (LEAL1 [c] {s} (ADDLconst [d] x) y)
  2934  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  2935  	// result: (LEAL1 [c+d] {s} x y)
  2936  	for {
  2937  		c := auxIntToInt32(v.AuxInt)
  2938  		s := auxToSym(v.Aux)
  2939  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2940  			if v_0.Op != Op386ADDLconst {
  2941  				continue
  2942  			}
  2943  			d := auxIntToInt32(v_0.AuxInt)
  2944  			x := v_0.Args[0]
  2945  			y := v_1
  2946  			if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  2947  				continue
  2948  			}
  2949  			v.reset(Op386LEAL1)
  2950  			v.AuxInt = int32ToAuxInt(c + d)
  2951  			v.Aux = symToAux(s)
  2952  			v.AddArg2(x, y)
  2953  			return true
  2954  		}
  2955  		break
  2956  	}
  2957  	// match: (LEAL1 [c] {s} x (SHLLconst [1] y))
  2958  	// result: (LEAL2 [c] {s} x y)
  2959  	for {
  2960  		c := auxIntToInt32(v.AuxInt)
  2961  		s := auxToSym(v.Aux)
  2962  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2963  			x := v_0
  2964  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  2965  				continue
  2966  			}
  2967  			y := v_1.Args[0]
  2968  			v.reset(Op386LEAL2)
  2969  			v.AuxInt = int32ToAuxInt(c)
  2970  			v.Aux = symToAux(s)
  2971  			v.AddArg2(x, y)
  2972  			return true
  2973  		}
  2974  		break
  2975  	}
  2976  	// match: (LEAL1 [c] {s} x (SHLLconst [2] y))
  2977  	// result: (LEAL4 [c] {s} x y)
  2978  	for {
  2979  		c := auxIntToInt32(v.AuxInt)
  2980  		s := auxToSym(v.Aux)
  2981  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2982  			x := v_0
  2983  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  2984  				continue
  2985  			}
  2986  			y := v_1.Args[0]
  2987  			v.reset(Op386LEAL4)
  2988  			v.AuxInt = int32ToAuxInt(c)
  2989  			v.Aux = symToAux(s)
  2990  			v.AddArg2(x, y)
  2991  			return true
  2992  		}
  2993  		break
  2994  	}
  2995  	// match: (LEAL1 [c] {s} x (SHLLconst [3] y))
  2996  	// result: (LEAL8 [c] {s} x y)
  2997  	for {
  2998  		c := auxIntToInt32(v.AuxInt)
  2999  		s := auxToSym(v.Aux)
  3000  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3001  			x := v_0
  3002  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
  3003  				continue
  3004  			}
  3005  			y := v_1.Args[0]
  3006  			v.reset(Op386LEAL8)
  3007  			v.AuxInt = int32ToAuxInt(c)
  3008  			v.Aux = symToAux(s)
  3009  			v.AddArg2(x, y)
  3010  			return true
  3011  		}
  3012  		break
  3013  	}
  3014  	// match: (LEAL1 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3015  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3016  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3017  	for {
  3018  		off1 := auxIntToInt32(v.AuxInt)
  3019  		sym1 := auxToSym(v.Aux)
  3020  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3021  			if v_0.Op != Op386LEAL {
  3022  				continue
  3023  			}
  3024  			off2 := auxIntToInt32(v_0.AuxInt)
  3025  			sym2 := auxToSym(v_0.Aux)
  3026  			x := v_0.Args[0]
  3027  			y := v_1
  3028  			if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3029  				continue
  3030  			}
  3031  			v.reset(Op386LEAL1)
  3032  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3033  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3034  			v.AddArg2(x, y)
  3035  			return true
  3036  		}
  3037  		break
  3038  	}
  3039  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} y y))
  3040  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3041  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} x y)
  3042  	for {
  3043  		off1 := auxIntToInt32(v.AuxInt)
  3044  		sym1 := auxToSym(v.Aux)
  3045  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3046  			x := v_0
  3047  			if v_1.Op != Op386LEAL1 {
  3048  				continue
  3049  			}
  3050  			off2 := auxIntToInt32(v_1.AuxInt)
  3051  			sym2 := auxToSym(v_1.Aux)
  3052  			y := v_1.Args[1]
  3053  			if y != v_1.Args[0] || !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3054  				continue
  3055  			}
  3056  			v.reset(Op386LEAL2)
  3057  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3058  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3059  			v.AddArg2(x, y)
  3060  			return true
  3061  		}
  3062  		break
  3063  	}
  3064  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} x y))
  3065  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3066  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} y x)
  3067  	for {
  3068  		off1 := auxIntToInt32(v.AuxInt)
  3069  		sym1 := auxToSym(v.Aux)
  3070  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3071  			x := v_0
  3072  			if v_1.Op != Op386LEAL1 {
  3073  				continue
  3074  			}
  3075  			off2 := auxIntToInt32(v_1.AuxInt)
  3076  			sym2 := auxToSym(v_1.Aux)
  3077  			_ = v_1.Args[1]
  3078  			v_1_0 := v_1.Args[0]
  3079  			v_1_1 := v_1.Args[1]
  3080  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
  3081  				if x != v_1_0 {
  3082  					continue
  3083  				}
  3084  				y := v_1_1
  3085  				if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3086  					continue
  3087  				}
  3088  				v.reset(Op386LEAL2)
  3089  				v.AuxInt = int32ToAuxInt(off1 + off2)
  3090  				v.Aux = symToAux(mergeSym(sym1, sym2))
  3091  				v.AddArg2(y, x)
  3092  				return true
  3093  			}
  3094  		}
  3095  		break
  3096  	}
  3097  	// match: (LEAL1 [0] {nil} x y)
  3098  	// result: (ADDL x y)
  3099  	for {
  3100  		if auxIntToInt32(v.AuxInt) != 0 || auxToSym(v.Aux) != nil {
  3101  			break
  3102  		}
  3103  		x := v_0
  3104  		y := v_1
  3105  		v.reset(Op386ADDL)
  3106  		v.AddArg2(x, y)
  3107  		return true
  3108  	}
  3109  	return false
  3110  }
  3111  func rewriteValue386_Op386LEAL2(v *Value) bool {
  3112  	v_1 := v.Args[1]
  3113  	v_0 := v.Args[0]
  3114  	// match: (LEAL2 [c] {s} (ADDLconst [d] x) y)
  3115  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3116  	// result: (LEAL2 [c+d] {s} x y)
  3117  	for {
  3118  		c := auxIntToInt32(v.AuxInt)
  3119  		s := auxToSym(v.Aux)
  3120  		if v_0.Op != Op386ADDLconst {
  3121  			break
  3122  		}
  3123  		d := auxIntToInt32(v_0.AuxInt)
  3124  		x := v_0.Args[0]
  3125  		y := v_1
  3126  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3127  			break
  3128  		}
  3129  		v.reset(Op386LEAL2)
  3130  		v.AuxInt = int32ToAuxInt(c + d)
  3131  		v.Aux = symToAux(s)
  3132  		v.AddArg2(x, y)
  3133  		return true
  3134  	}
  3135  	// match: (LEAL2 [c] {s} x (ADDLconst [d] y))
  3136  	// cond: is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB
  3137  	// result: (LEAL2 [c+2*d] {s} x y)
  3138  	for {
  3139  		c := auxIntToInt32(v.AuxInt)
  3140  		s := auxToSym(v.Aux)
  3141  		x := v_0
  3142  		if v_1.Op != Op386ADDLconst {
  3143  			break
  3144  		}
  3145  		d := auxIntToInt32(v_1.AuxInt)
  3146  		y := v_1.Args[0]
  3147  		if !(is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB) {
  3148  			break
  3149  		}
  3150  		v.reset(Op386LEAL2)
  3151  		v.AuxInt = int32ToAuxInt(c + 2*d)
  3152  		v.Aux = symToAux(s)
  3153  		v.AddArg2(x, y)
  3154  		return true
  3155  	}
  3156  	// match: (LEAL2 [c] {s} x (SHLLconst [1] y))
  3157  	// result: (LEAL4 [c] {s} x y)
  3158  	for {
  3159  		c := auxIntToInt32(v.AuxInt)
  3160  		s := auxToSym(v.Aux)
  3161  		x := v_0
  3162  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3163  			break
  3164  		}
  3165  		y := v_1.Args[0]
  3166  		v.reset(Op386LEAL4)
  3167  		v.AuxInt = int32ToAuxInt(c)
  3168  		v.Aux = symToAux(s)
  3169  		v.AddArg2(x, y)
  3170  		return true
  3171  	}
  3172  	// match: (LEAL2 [c] {s} x (SHLLconst [2] y))
  3173  	// result: (LEAL8 [c] {s} x y)
  3174  	for {
  3175  		c := auxIntToInt32(v.AuxInt)
  3176  		s := auxToSym(v.Aux)
  3177  		x := v_0
  3178  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  3179  			break
  3180  		}
  3181  		y := v_1.Args[0]
  3182  		v.reset(Op386LEAL8)
  3183  		v.AuxInt = int32ToAuxInt(c)
  3184  		v.Aux = symToAux(s)
  3185  		v.AddArg2(x, y)
  3186  		return true
  3187  	}
  3188  	// match: (LEAL2 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3189  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3190  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3191  	for {
  3192  		off1 := auxIntToInt32(v.AuxInt)
  3193  		sym1 := auxToSym(v.Aux)
  3194  		if v_0.Op != Op386LEAL {
  3195  			break
  3196  		}
  3197  		off2 := auxIntToInt32(v_0.AuxInt)
  3198  		sym2 := auxToSym(v_0.Aux)
  3199  		x := v_0.Args[0]
  3200  		y := v_1
  3201  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3202  			break
  3203  		}
  3204  		v.reset(Op386LEAL2)
  3205  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3206  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3207  		v.AddArg2(x, y)
  3208  		return true
  3209  	}
  3210  	// match: (LEAL2 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3211  	// cond: is32Bit(int64(off1)+2*int64(off2))
  3212  	// result: (LEAL4 [off1+2*off2] {sym} x y)
  3213  	for {
  3214  		off1 := auxIntToInt32(v.AuxInt)
  3215  		sym := auxToSym(v.Aux)
  3216  		x := v_0
  3217  		if v_1.Op != Op386LEAL1 {
  3218  			break
  3219  		}
  3220  		off2 := auxIntToInt32(v_1.AuxInt)
  3221  		if auxToSym(v_1.Aux) != nil {
  3222  			break
  3223  		}
  3224  		y := v_1.Args[1]
  3225  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 2*int64(off2))) {
  3226  			break
  3227  		}
  3228  		v.reset(Op386LEAL4)
  3229  		v.AuxInt = int32ToAuxInt(off1 + 2*off2)
  3230  		v.Aux = symToAux(sym)
  3231  		v.AddArg2(x, y)
  3232  		return true
  3233  	}
  3234  	return false
  3235  }
  3236  func rewriteValue386_Op386LEAL4(v *Value) bool {
  3237  	v_1 := v.Args[1]
  3238  	v_0 := v.Args[0]
  3239  	// match: (LEAL4 [c] {s} (ADDLconst [d] x) y)
  3240  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3241  	// result: (LEAL4 [c+d] {s} x y)
  3242  	for {
  3243  		c := auxIntToInt32(v.AuxInt)
  3244  		s := auxToSym(v.Aux)
  3245  		if v_0.Op != Op386ADDLconst {
  3246  			break
  3247  		}
  3248  		d := auxIntToInt32(v_0.AuxInt)
  3249  		x := v_0.Args[0]
  3250  		y := v_1
  3251  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3252  			break
  3253  		}
  3254  		v.reset(Op386LEAL4)
  3255  		v.AuxInt = int32ToAuxInt(c + d)
  3256  		v.Aux = symToAux(s)
  3257  		v.AddArg2(x, y)
  3258  		return true
  3259  	}
  3260  	// match: (LEAL4 [c] {s} x (ADDLconst [d] y))
  3261  	// cond: is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB
  3262  	// result: (LEAL4 [c+4*d] {s} x y)
  3263  	for {
  3264  		c := auxIntToInt32(v.AuxInt)
  3265  		s := auxToSym(v.Aux)
  3266  		x := v_0
  3267  		if v_1.Op != Op386ADDLconst {
  3268  			break
  3269  		}
  3270  		d := auxIntToInt32(v_1.AuxInt)
  3271  		y := v_1.Args[0]
  3272  		if !(is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB) {
  3273  			break
  3274  		}
  3275  		v.reset(Op386LEAL4)
  3276  		v.AuxInt = int32ToAuxInt(c + 4*d)
  3277  		v.Aux = symToAux(s)
  3278  		v.AddArg2(x, y)
  3279  		return true
  3280  	}
  3281  	// match: (LEAL4 [c] {s} x (SHLLconst [1] y))
  3282  	// result: (LEAL8 [c] {s} x y)
  3283  	for {
  3284  		c := auxIntToInt32(v.AuxInt)
  3285  		s := auxToSym(v.Aux)
  3286  		x := v_0
  3287  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3288  			break
  3289  		}
  3290  		y := v_1.Args[0]
  3291  		v.reset(Op386LEAL8)
  3292  		v.AuxInt = int32ToAuxInt(c)
  3293  		v.Aux = symToAux(s)
  3294  		v.AddArg2(x, y)
  3295  		return true
  3296  	}
  3297  	// match: (LEAL4 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3298  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3299  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3300  	for {
  3301  		off1 := auxIntToInt32(v.AuxInt)
  3302  		sym1 := auxToSym(v.Aux)
  3303  		if v_0.Op != Op386LEAL {
  3304  			break
  3305  		}
  3306  		off2 := auxIntToInt32(v_0.AuxInt)
  3307  		sym2 := auxToSym(v_0.Aux)
  3308  		x := v_0.Args[0]
  3309  		y := v_1
  3310  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3311  			break
  3312  		}
  3313  		v.reset(Op386LEAL4)
  3314  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3315  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3316  		v.AddArg2(x, y)
  3317  		return true
  3318  	}
  3319  	// match: (LEAL4 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3320  	// cond: is32Bit(int64(off1)+4*int64(off2))
  3321  	// result: (LEAL8 [off1+4*off2] {sym} x y)
  3322  	for {
  3323  		off1 := auxIntToInt32(v.AuxInt)
  3324  		sym := auxToSym(v.Aux)
  3325  		x := v_0
  3326  		if v_1.Op != Op386LEAL1 {
  3327  			break
  3328  		}
  3329  		off2 := auxIntToInt32(v_1.AuxInt)
  3330  		if auxToSym(v_1.Aux) != nil {
  3331  			break
  3332  		}
  3333  		y := v_1.Args[1]
  3334  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 4*int64(off2))) {
  3335  			break
  3336  		}
  3337  		v.reset(Op386LEAL8)
  3338  		v.AuxInt = int32ToAuxInt(off1 + 4*off2)
  3339  		v.Aux = symToAux(sym)
  3340  		v.AddArg2(x, y)
  3341  		return true
  3342  	}
  3343  	return false
  3344  }
  3345  func rewriteValue386_Op386LEAL8(v *Value) bool {
  3346  	v_1 := v.Args[1]
  3347  	v_0 := v.Args[0]
  3348  	// match: (LEAL8 [c] {s} (ADDLconst [d] x) y)
  3349  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3350  	// result: (LEAL8 [c+d] {s} x y)
  3351  	for {
  3352  		c := auxIntToInt32(v.AuxInt)
  3353  		s := auxToSym(v.Aux)
  3354  		if v_0.Op != Op386ADDLconst {
  3355  			break
  3356  		}
  3357  		d := auxIntToInt32(v_0.AuxInt)
  3358  		x := v_0.Args[0]
  3359  		y := v_1
  3360  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3361  			break
  3362  		}
  3363  		v.reset(Op386LEAL8)
  3364  		v.AuxInt = int32ToAuxInt(c + d)
  3365  		v.Aux = symToAux(s)
  3366  		v.AddArg2(x, y)
  3367  		return true
  3368  	}
  3369  	// match: (LEAL8 [c] {s} x (ADDLconst [d] y))
  3370  	// cond: is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB
  3371  	// result: (LEAL8 [c+8*d] {s} x y)
  3372  	for {
  3373  		c := auxIntToInt32(v.AuxInt)
  3374  		s := auxToSym(v.Aux)
  3375  		x := v_0
  3376  		if v_1.Op != Op386ADDLconst {
  3377  			break
  3378  		}
  3379  		d := auxIntToInt32(v_1.AuxInt)
  3380  		y := v_1.Args[0]
  3381  		if !(is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB) {
  3382  			break
  3383  		}
  3384  		v.reset(Op386LEAL8)
  3385  		v.AuxInt = int32ToAuxInt(c + 8*d)
  3386  		v.Aux = symToAux(s)
  3387  		v.AddArg2(x, y)
  3388  		return true
  3389  	}
  3390  	// match: (LEAL8 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3391  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3392  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3393  	for {
  3394  		off1 := auxIntToInt32(v.AuxInt)
  3395  		sym1 := auxToSym(v.Aux)
  3396  		if v_0.Op != Op386LEAL {
  3397  			break
  3398  		}
  3399  		off2 := auxIntToInt32(v_0.AuxInt)
  3400  		sym2 := auxToSym(v_0.Aux)
  3401  		x := v_0.Args[0]
  3402  		y := v_1
  3403  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3404  			break
  3405  		}
  3406  		v.reset(Op386LEAL8)
  3407  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3408  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3409  		v.AddArg2(x, y)
  3410  		return true
  3411  	}
  3412  	return false
  3413  }
  3414  func rewriteValue386_Op386LoweredPanicBoundsRC(v *Value) bool {
  3415  	v_1 := v.Args[1]
  3416  	v_0 := v.Args[0]
  3417  	// match: (LoweredPanicBoundsRC [kind] {p} (MOVLconst [c]) mem)
  3418  	// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:int64(c), Cy:p.C}} mem)
  3419  	for {
  3420  		kind := auxIntToInt64(v.AuxInt)
  3421  		p := auxToPanicBoundsC(v.Aux)
  3422  		if v_0.Op != Op386MOVLconst {
  3423  			break
  3424  		}
  3425  		c := auxIntToInt32(v_0.AuxInt)
  3426  		mem := v_1
  3427  		v.reset(Op386LoweredPanicBoundsCC)
  3428  		v.AuxInt = int64ToAuxInt(kind)
  3429  		v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: int64(c), Cy: p.C})
  3430  		v.AddArg(mem)
  3431  		return true
  3432  	}
  3433  	return false
  3434  }
  3435  func rewriteValue386_Op386LoweredPanicBoundsRR(v *Value) bool {
  3436  	v_2 := v.Args[2]
  3437  	v_1 := v.Args[1]
  3438  	v_0 := v.Args[0]
  3439  	// match: (LoweredPanicBoundsRR [kind] x (MOVLconst [c]) mem)
  3440  	// result: (LoweredPanicBoundsRC [kind] x {PanicBoundsC{C:int64(c)}} mem)
  3441  	for {
  3442  		kind := auxIntToInt64(v.AuxInt)
  3443  		x := v_0
  3444  		if v_1.Op != Op386MOVLconst {
  3445  			break
  3446  		}
  3447  		c := auxIntToInt32(v_1.AuxInt)
  3448  		mem := v_2
  3449  		v.reset(Op386LoweredPanicBoundsRC)
  3450  		v.AuxInt = int64ToAuxInt(kind)
  3451  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: int64(c)})
  3452  		v.AddArg2(x, mem)
  3453  		return true
  3454  	}
  3455  	// match: (LoweredPanicBoundsRR [kind] (MOVLconst [c]) y mem)
  3456  	// result: (LoweredPanicBoundsCR [kind] {PanicBoundsC{C:int64(c)}} y mem)
  3457  	for {
  3458  		kind := auxIntToInt64(v.AuxInt)
  3459  		if v_0.Op != Op386MOVLconst {
  3460  			break
  3461  		}
  3462  		c := auxIntToInt32(v_0.AuxInt)
  3463  		y := v_1
  3464  		mem := v_2
  3465  		v.reset(Op386LoweredPanicBoundsCR)
  3466  		v.AuxInt = int64ToAuxInt(kind)
  3467  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: int64(c)})
  3468  		v.AddArg2(y, mem)
  3469  		return true
  3470  	}
  3471  	return false
  3472  }
  3473  func rewriteValue386_Op386LoweredPanicExtendRC(v *Value) bool {
  3474  	v_2 := v.Args[2]
  3475  	v_1 := v.Args[1]
  3476  	v_0 := v.Args[0]
  3477  	// match: (LoweredPanicExtendRC [kind] {p} (MOVLconst [hi]) (MOVLconst [lo]) mem)
  3478  	// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:int64(hi)<<32+int64(uint32(lo)), Cy:p.C}} mem)
  3479  	for {
  3480  		kind := auxIntToInt64(v.AuxInt)
  3481  		p := auxToPanicBoundsC(v.Aux)
  3482  		if v_0.Op != Op386MOVLconst {
  3483  			break
  3484  		}
  3485  		hi := auxIntToInt32(v_0.AuxInt)
  3486  		if v_1.Op != Op386MOVLconst {
  3487  			break
  3488  		}
  3489  		lo := auxIntToInt32(v_1.AuxInt)
  3490  		mem := v_2
  3491  		v.reset(Op386LoweredPanicBoundsCC)
  3492  		v.AuxInt = int64ToAuxInt(kind)
  3493  		v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: int64(hi)<<32 + int64(uint32(lo)), Cy: p.C})
  3494  		v.AddArg(mem)
  3495  		return true
  3496  	}
  3497  	return false
  3498  }
  3499  func rewriteValue386_Op386LoweredPanicExtendRR(v *Value) bool {
  3500  	v_3 := v.Args[3]
  3501  	v_2 := v.Args[2]
  3502  	v_1 := v.Args[1]
  3503  	v_0 := v.Args[0]
  3504  	// match: (LoweredPanicExtendRR [kind] hi lo (MOVLconst [c]) mem)
  3505  	// result: (LoweredPanicExtendRC [kind] hi lo {PanicBoundsC{C:int64(c)}} mem)
  3506  	for {
  3507  		kind := auxIntToInt64(v.AuxInt)
  3508  		hi := v_0
  3509  		lo := v_1
  3510  		if v_2.Op != Op386MOVLconst {
  3511  			break
  3512  		}
  3513  		c := auxIntToInt32(v_2.AuxInt)
  3514  		mem := v_3
  3515  		v.reset(Op386LoweredPanicExtendRC)
  3516  		v.AuxInt = int64ToAuxInt(kind)
  3517  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: int64(c)})
  3518  		v.AddArg3(hi, lo, mem)
  3519  		return true
  3520  	}
  3521  	// match: (LoweredPanicExtendRR [kind] (MOVLconst [hi]) (MOVLconst [lo]) y mem)
  3522  	// result: (LoweredPanicBoundsCR [kind] {PanicBoundsC{C:int64(hi)<<32 + int64(uint32(lo))}} y mem)
  3523  	for {
  3524  		kind := auxIntToInt64(v.AuxInt)
  3525  		if v_0.Op != Op386MOVLconst {
  3526  			break
  3527  		}
  3528  		hi := auxIntToInt32(v_0.AuxInt)
  3529  		if v_1.Op != Op386MOVLconst {
  3530  			break
  3531  		}
  3532  		lo := auxIntToInt32(v_1.AuxInt)
  3533  		y := v_2
  3534  		mem := v_3
  3535  		v.reset(Op386LoweredPanicBoundsCR)
  3536  		v.AuxInt = int64ToAuxInt(kind)
  3537  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: int64(hi)<<32 + int64(uint32(lo))})
  3538  		v.AddArg2(y, mem)
  3539  		return true
  3540  	}
  3541  	return false
  3542  }
  3543  func rewriteValue386_Op386MOVBLSX(v *Value) bool {
  3544  	v_0 := v.Args[0]
  3545  	b := v.Block
  3546  	// match: (MOVBLSX x:(MOVBload [off] {sym} ptr mem))
  3547  	// cond: x.Uses == 1 && clobber(x)
  3548  	// result: @x.Block (MOVBLSXload <v.Type> [off] {sym} ptr mem)
  3549  	for {
  3550  		x := v_0
  3551  		if x.Op != Op386MOVBload {
  3552  			break
  3553  		}
  3554  		off := auxIntToInt32(x.AuxInt)
  3555  		sym := auxToSym(x.Aux)
  3556  		mem := x.Args[1]
  3557  		ptr := x.Args[0]
  3558  		if !(x.Uses == 1 && clobber(x)) {
  3559  			break
  3560  		}
  3561  		b = x.Block
  3562  		v0 := b.NewValue0(x.Pos, Op386MOVBLSXload, v.Type)
  3563  		v.copyOf(v0)
  3564  		v0.AuxInt = int32ToAuxInt(off)
  3565  		v0.Aux = symToAux(sym)
  3566  		v0.AddArg2(ptr, mem)
  3567  		return true
  3568  	}
  3569  	// match: (MOVBLSX (ANDLconst [c] x))
  3570  	// cond: c & 0x80 == 0
  3571  	// result: (ANDLconst [c & 0x7f] x)
  3572  	for {
  3573  		if v_0.Op != Op386ANDLconst {
  3574  			break
  3575  		}
  3576  		c := auxIntToInt32(v_0.AuxInt)
  3577  		x := v_0.Args[0]
  3578  		if !(c&0x80 == 0) {
  3579  			break
  3580  		}
  3581  		v.reset(Op386ANDLconst)
  3582  		v.AuxInt = int32ToAuxInt(c & 0x7f)
  3583  		v.AddArg(x)
  3584  		return true
  3585  	}
  3586  	return false
  3587  }
  3588  func rewriteValue386_Op386MOVBLSXload(v *Value) bool {
  3589  	v_1 := v.Args[1]
  3590  	v_0 := v.Args[0]
  3591  	b := v.Block
  3592  	config := b.Func.Config
  3593  	// match: (MOVBLSXload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3594  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3595  	// result: (MOVBLSX x)
  3596  	for {
  3597  		off := auxIntToInt32(v.AuxInt)
  3598  		sym := auxToSym(v.Aux)
  3599  		ptr := v_0
  3600  		if v_1.Op != Op386MOVBstore {
  3601  			break
  3602  		}
  3603  		off2 := auxIntToInt32(v_1.AuxInt)
  3604  		sym2 := auxToSym(v_1.Aux)
  3605  		x := v_1.Args[1]
  3606  		ptr2 := v_1.Args[0]
  3607  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3608  			break
  3609  		}
  3610  		v.reset(Op386MOVBLSX)
  3611  		v.AddArg(x)
  3612  		return true
  3613  	}
  3614  	// match: (MOVBLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3615  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3616  	// result: (MOVBLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3617  	for {
  3618  		off1 := auxIntToInt32(v.AuxInt)
  3619  		sym1 := auxToSym(v.Aux)
  3620  		if v_0.Op != Op386LEAL {
  3621  			break
  3622  		}
  3623  		off2 := auxIntToInt32(v_0.AuxInt)
  3624  		sym2 := auxToSym(v_0.Aux)
  3625  		base := v_0.Args[0]
  3626  		mem := v_1
  3627  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3628  			break
  3629  		}
  3630  		v.reset(Op386MOVBLSXload)
  3631  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3632  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3633  		v.AddArg2(base, mem)
  3634  		return true
  3635  	}
  3636  	// match: (MOVBLSXload [off] {sym} (SB) _)
  3637  	// cond: symIsRO(sym)
  3638  	// result: (MOVLconst [int32(int8(read8(sym, int64(off))))])
  3639  	for {
  3640  		off := auxIntToInt32(v.AuxInt)
  3641  		sym := auxToSym(v.Aux)
  3642  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3643  			break
  3644  		}
  3645  		v.reset(Op386MOVLconst)
  3646  		v.AuxInt = int32ToAuxInt(int32(int8(read8(sym, int64(off)))))
  3647  		return true
  3648  	}
  3649  	return false
  3650  }
  3651  func rewriteValue386_Op386MOVBLZX(v *Value) bool {
  3652  	v_0 := v.Args[0]
  3653  	b := v.Block
  3654  	// match: (MOVBLZX x:(MOVBload [off] {sym} ptr mem))
  3655  	// cond: x.Uses == 1 && clobber(x)
  3656  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  3657  	for {
  3658  		x := v_0
  3659  		if x.Op != Op386MOVBload {
  3660  			break
  3661  		}
  3662  		off := auxIntToInt32(x.AuxInt)
  3663  		sym := auxToSym(x.Aux)
  3664  		mem := x.Args[1]
  3665  		ptr := x.Args[0]
  3666  		if !(x.Uses == 1 && clobber(x)) {
  3667  			break
  3668  		}
  3669  		b = x.Block
  3670  		v0 := b.NewValue0(x.Pos, Op386MOVBload, v.Type)
  3671  		v.copyOf(v0)
  3672  		v0.AuxInt = int32ToAuxInt(off)
  3673  		v0.Aux = symToAux(sym)
  3674  		v0.AddArg2(ptr, mem)
  3675  		return true
  3676  	}
  3677  	// match: (MOVBLZX (ANDLconst [c] x))
  3678  	// result: (ANDLconst [c & 0xff] x)
  3679  	for {
  3680  		if v_0.Op != Op386ANDLconst {
  3681  			break
  3682  		}
  3683  		c := auxIntToInt32(v_0.AuxInt)
  3684  		x := v_0.Args[0]
  3685  		v.reset(Op386ANDLconst)
  3686  		v.AuxInt = int32ToAuxInt(c & 0xff)
  3687  		v.AddArg(x)
  3688  		return true
  3689  	}
  3690  	return false
  3691  }
  3692  func rewriteValue386_Op386MOVBload(v *Value) bool {
  3693  	v_1 := v.Args[1]
  3694  	v_0 := v.Args[0]
  3695  	b := v.Block
  3696  	config := b.Func.Config
  3697  	// match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3698  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3699  	// result: (MOVBLZX x)
  3700  	for {
  3701  		off := auxIntToInt32(v.AuxInt)
  3702  		sym := auxToSym(v.Aux)
  3703  		ptr := v_0
  3704  		if v_1.Op != Op386MOVBstore {
  3705  			break
  3706  		}
  3707  		off2 := auxIntToInt32(v_1.AuxInt)
  3708  		sym2 := auxToSym(v_1.Aux)
  3709  		x := v_1.Args[1]
  3710  		ptr2 := v_1.Args[0]
  3711  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3712  			break
  3713  		}
  3714  		v.reset(Op386MOVBLZX)
  3715  		v.AddArg(x)
  3716  		return true
  3717  	}
  3718  	// match: (MOVBload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3719  	// cond: is32Bit(int64(off1)+int64(off2))
  3720  	// result: (MOVBload [off1+off2] {sym} ptr mem)
  3721  	for {
  3722  		off1 := auxIntToInt32(v.AuxInt)
  3723  		sym := auxToSym(v.Aux)
  3724  		if v_0.Op != Op386ADDLconst {
  3725  			break
  3726  		}
  3727  		off2 := auxIntToInt32(v_0.AuxInt)
  3728  		ptr := v_0.Args[0]
  3729  		mem := v_1
  3730  		if !(is32Bit(int64(off1) + int64(off2))) {
  3731  			break
  3732  		}
  3733  		v.reset(Op386MOVBload)
  3734  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3735  		v.Aux = symToAux(sym)
  3736  		v.AddArg2(ptr, mem)
  3737  		return true
  3738  	}
  3739  	// match: (MOVBload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3740  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3741  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3742  	for {
  3743  		off1 := auxIntToInt32(v.AuxInt)
  3744  		sym1 := auxToSym(v.Aux)
  3745  		if v_0.Op != Op386LEAL {
  3746  			break
  3747  		}
  3748  		off2 := auxIntToInt32(v_0.AuxInt)
  3749  		sym2 := auxToSym(v_0.Aux)
  3750  		base := v_0.Args[0]
  3751  		mem := v_1
  3752  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3753  			break
  3754  		}
  3755  		v.reset(Op386MOVBload)
  3756  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3757  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3758  		v.AddArg2(base, mem)
  3759  		return true
  3760  	}
  3761  	// match: (MOVBload [off] {sym} (SB) _)
  3762  	// cond: symIsRO(sym)
  3763  	// result: (MOVLconst [int32(read8(sym, int64(off)))])
  3764  	for {
  3765  		off := auxIntToInt32(v.AuxInt)
  3766  		sym := auxToSym(v.Aux)
  3767  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3768  			break
  3769  		}
  3770  		v.reset(Op386MOVLconst)
  3771  		v.AuxInt = int32ToAuxInt(int32(read8(sym, int64(off))))
  3772  		return true
  3773  	}
  3774  	return false
  3775  }
  3776  func rewriteValue386_Op386MOVBstore(v *Value) bool {
  3777  	v_2 := v.Args[2]
  3778  	v_1 := v.Args[1]
  3779  	v_0 := v.Args[0]
  3780  	b := v.Block
  3781  	config := b.Func.Config
  3782  	// match: (MOVBstore [off] {sym} ptr (MOVBLSX x) mem)
  3783  	// result: (MOVBstore [off] {sym} ptr x mem)
  3784  	for {
  3785  		off := auxIntToInt32(v.AuxInt)
  3786  		sym := auxToSym(v.Aux)
  3787  		ptr := v_0
  3788  		if v_1.Op != Op386MOVBLSX {
  3789  			break
  3790  		}
  3791  		x := v_1.Args[0]
  3792  		mem := v_2
  3793  		v.reset(Op386MOVBstore)
  3794  		v.AuxInt = int32ToAuxInt(off)
  3795  		v.Aux = symToAux(sym)
  3796  		v.AddArg3(ptr, x, mem)
  3797  		return true
  3798  	}
  3799  	// match: (MOVBstore [off] {sym} ptr (MOVBLZX x) mem)
  3800  	// result: (MOVBstore [off] {sym} ptr x mem)
  3801  	for {
  3802  		off := auxIntToInt32(v.AuxInt)
  3803  		sym := auxToSym(v.Aux)
  3804  		ptr := v_0
  3805  		if v_1.Op != Op386MOVBLZX {
  3806  			break
  3807  		}
  3808  		x := v_1.Args[0]
  3809  		mem := v_2
  3810  		v.reset(Op386MOVBstore)
  3811  		v.AuxInt = int32ToAuxInt(off)
  3812  		v.Aux = symToAux(sym)
  3813  		v.AddArg3(ptr, x, mem)
  3814  		return true
  3815  	}
  3816  	// match: (MOVBstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  3817  	// cond: is32Bit(int64(off1)+int64(off2))
  3818  	// result: (MOVBstore [off1+off2] {sym} ptr val mem)
  3819  	for {
  3820  		off1 := auxIntToInt32(v.AuxInt)
  3821  		sym := auxToSym(v.Aux)
  3822  		if v_0.Op != Op386ADDLconst {
  3823  			break
  3824  		}
  3825  		off2 := auxIntToInt32(v_0.AuxInt)
  3826  		ptr := v_0.Args[0]
  3827  		val := v_1
  3828  		mem := v_2
  3829  		if !(is32Bit(int64(off1) + int64(off2))) {
  3830  			break
  3831  		}
  3832  		v.reset(Op386MOVBstore)
  3833  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3834  		v.Aux = symToAux(sym)
  3835  		v.AddArg3(ptr, val, mem)
  3836  		return true
  3837  	}
  3838  	// match: (MOVBstore [off] {sym} ptr (MOVLconst [c]) mem)
  3839  	// result: (MOVBstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  3840  	for {
  3841  		off := auxIntToInt32(v.AuxInt)
  3842  		sym := auxToSym(v.Aux)
  3843  		ptr := v_0
  3844  		if v_1.Op != Op386MOVLconst {
  3845  			break
  3846  		}
  3847  		c := auxIntToInt32(v_1.AuxInt)
  3848  		mem := v_2
  3849  		v.reset(Op386MOVBstoreconst)
  3850  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  3851  		v.Aux = symToAux(sym)
  3852  		v.AddArg2(ptr, mem)
  3853  		return true
  3854  	}
  3855  	// match: (MOVBstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  3856  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3857  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  3858  	for {
  3859  		off1 := auxIntToInt32(v.AuxInt)
  3860  		sym1 := auxToSym(v.Aux)
  3861  		if v_0.Op != Op386LEAL {
  3862  			break
  3863  		}
  3864  		off2 := auxIntToInt32(v_0.AuxInt)
  3865  		sym2 := auxToSym(v_0.Aux)
  3866  		base := v_0.Args[0]
  3867  		val := v_1
  3868  		mem := v_2
  3869  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3870  			break
  3871  		}
  3872  		v.reset(Op386MOVBstore)
  3873  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3874  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3875  		v.AddArg3(base, val, mem)
  3876  		return true
  3877  	}
  3878  	return false
  3879  }
  3880  func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
  3881  	v_1 := v.Args[1]
  3882  	v_0 := v.Args[0]
  3883  	b := v.Block
  3884  	config := b.Func.Config
  3885  	// match: (MOVBstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  3886  	// cond: sc.canAdd32(off)
  3887  	// result: (MOVBstoreconst [sc.addOffset32(off)] {s} ptr mem)
  3888  	for {
  3889  		sc := auxIntToValAndOff(v.AuxInt)
  3890  		s := auxToSym(v.Aux)
  3891  		if v_0.Op != Op386ADDLconst {
  3892  			break
  3893  		}
  3894  		off := auxIntToInt32(v_0.AuxInt)
  3895  		ptr := v_0.Args[0]
  3896  		mem := v_1
  3897  		if !(sc.canAdd32(off)) {
  3898  			break
  3899  		}
  3900  		v.reset(Op386MOVBstoreconst)
  3901  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3902  		v.Aux = symToAux(s)
  3903  		v.AddArg2(ptr, mem)
  3904  		return true
  3905  	}
  3906  	// match: (MOVBstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  3907  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  3908  	// result: (MOVBstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  3909  	for {
  3910  		sc := auxIntToValAndOff(v.AuxInt)
  3911  		sym1 := auxToSym(v.Aux)
  3912  		if v_0.Op != Op386LEAL {
  3913  			break
  3914  		}
  3915  		off := auxIntToInt32(v_0.AuxInt)
  3916  		sym2 := auxToSym(v_0.Aux)
  3917  		ptr := v_0.Args[0]
  3918  		mem := v_1
  3919  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  3920  			break
  3921  		}
  3922  		v.reset(Op386MOVBstoreconst)
  3923  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3924  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3925  		v.AddArg2(ptr, mem)
  3926  		return true
  3927  	}
  3928  	return false
  3929  }
  3930  func rewriteValue386_Op386MOVLload(v *Value) bool {
  3931  	v_1 := v.Args[1]
  3932  	v_0 := v.Args[0]
  3933  	b := v.Block
  3934  	config := b.Func.Config
  3935  	// match: (MOVLload [off] {sym} ptr (MOVLstore [off2] {sym2} ptr2 x _))
  3936  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3937  	// result: x
  3938  	for {
  3939  		off := auxIntToInt32(v.AuxInt)
  3940  		sym := auxToSym(v.Aux)
  3941  		ptr := v_0
  3942  		if v_1.Op != Op386MOVLstore {
  3943  			break
  3944  		}
  3945  		off2 := auxIntToInt32(v_1.AuxInt)
  3946  		sym2 := auxToSym(v_1.Aux)
  3947  		x := v_1.Args[1]
  3948  		ptr2 := v_1.Args[0]
  3949  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3950  			break
  3951  		}
  3952  		v.copyOf(x)
  3953  		return true
  3954  	}
  3955  	// match: (MOVLload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3956  	// cond: is32Bit(int64(off1)+int64(off2))
  3957  	// result: (MOVLload [off1+off2] {sym} ptr mem)
  3958  	for {
  3959  		off1 := auxIntToInt32(v.AuxInt)
  3960  		sym := auxToSym(v.Aux)
  3961  		if v_0.Op != Op386ADDLconst {
  3962  			break
  3963  		}
  3964  		off2 := auxIntToInt32(v_0.AuxInt)
  3965  		ptr := v_0.Args[0]
  3966  		mem := v_1
  3967  		if !(is32Bit(int64(off1) + int64(off2))) {
  3968  			break
  3969  		}
  3970  		v.reset(Op386MOVLload)
  3971  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3972  		v.Aux = symToAux(sym)
  3973  		v.AddArg2(ptr, mem)
  3974  		return true
  3975  	}
  3976  	// match: (MOVLload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3977  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3978  	// result: (MOVLload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3979  	for {
  3980  		off1 := auxIntToInt32(v.AuxInt)
  3981  		sym1 := auxToSym(v.Aux)
  3982  		if v_0.Op != Op386LEAL {
  3983  			break
  3984  		}
  3985  		off2 := auxIntToInt32(v_0.AuxInt)
  3986  		sym2 := auxToSym(v_0.Aux)
  3987  		base := v_0.Args[0]
  3988  		mem := v_1
  3989  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3990  			break
  3991  		}
  3992  		v.reset(Op386MOVLload)
  3993  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3994  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3995  		v.AddArg2(base, mem)
  3996  		return true
  3997  	}
  3998  	// match: (MOVLload [off] {sym} (SB) _)
  3999  	// cond: symIsRO(sym)
  4000  	// result: (MOVLconst [int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  4001  	for {
  4002  		off := auxIntToInt32(v.AuxInt)
  4003  		sym := auxToSym(v.Aux)
  4004  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4005  			break
  4006  		}
  4007  		v.reset(Op386MOVLconst)
  4008  		v.AuxInt = int32ToAuxInt(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  4009  		return true
  4010  	}
  4011  	return false
  4012  }
  4013  func rewriteValue386_Op386MOVLstore(v *Value) bool {
  4014  	v_2 := v.Args[2]
  4015  	v_1 := v.Args[1]
  4016  	v_0 := v.Args[0]
  4017  	b := v.Block
  4018  	config := b.Func.Config
  4019  	// match: (MOVLstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4020  	// cond: is32Bit(int64(off1)+int64(off2))
  4021  	// result: (MOVLstore [off1+off2] {sym} ptr val mem)
  4022  	for {
  4023  		off1 := auxIntToInt32(v.AuxInt)
  4024  		sym := auxToSym(v.Aux)
  4025  		if v_0.Op != Op386ADDLconst {
  4026  			break
  4027  		}
  4028  		off2 := auxIntToInt32(v_0.AuxInt)
  4029  		ptr := v_0.Args[0]
  4030  		val := v_1
  4031  		mem := v_2
  4032  		if !(is32Bit(int64(off1) + int64(off2))) {
  4033  			break
  4034  		}
  4035  		v.reset(Op386MOVLstore)
  4036  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4037  		v.Aux = symToAux(sym)
  4038  		v.AddArg3(ptr, val, mem)
  4039  		return true
  4040  	}
  4041  	// match: (MOVLstore [off] {sym} ptr (MOVLconst [c]) mem)
  4042  	// result: (MOVLstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  4043  	for {
  4044  		off := auxIntToInt32(v.AuxInt)
  4045  		sym := auxToSym(v.Aux)
  4046  		ptr := v_0
  4047  		if v_1.Op != Op386MOVLconst {
  4048  			break
  4049  		}
  4050  		c := auxIntToInt32(v_1.AuxInt)
  4051  		mem := v_2
  4052  		v.reset(Op386MOVLstoreconst)
  4053  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4054  		v.Aux = symToAux(sym)
  4055  		v.AddArg2(ptr, mem)
  4056  		return true
  4057  	}
  4058  	// match: (MOVLstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4059  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4060  	// result: (MOVLstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4061  	for {
  4062  		off1 := auxIntToInt32(v.AuxInt)
  4063  		sym1 := auxToSym(v.Aux)
  4064  		if v_0.Op != Op386LEAL {
  4065  			break
  4066  		}
  4067  		off2 := auxIntToInt32(v_0.AuxInt)
  4068  		sym2 := auxToSym(v_0.Aux)
  4069  		base := v_0.Args[0]
  4070  		val := v_1
  4071  		mem := v_2
  4072  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4073  			break
  4074  		}
  4075  		v.reset(Op386MOVLstore)
  4076  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4077  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4078  		v.AddArg3(base, val, mem)
  4079  		return true
  4080  	}
  4081  	// match: (MOVLstore {sym} [off] ptr y:(ADDLload x [off] {sym} ptr mem) mem)
  4082  	// cond: y.Uses==1 && clobber(y)
  4083  	// result: (ADDLmodify [off] {sym} ptr x mem)
  4084  	for {
  4085  		off := auxIntToInt32(v.AuxInt)
  4086  		sym := auxToSym(v.Aux)
  4087  		ptr := v_0
  4088  		y := v_1
  4089  		if y.Op != Op386ADDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4090  			break
  4091  		}
  4092  		mem := y.Args[2]
  4093  		x := y.Args[0]
  4094  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4095  			break
  4096  		}
  4097  		v.reset(Op386ADDLmodify)
  4098  		v.AuxInt = int32ToAuxInt(off)
  4099  		v.Aux = symToAux(sym)
  4100  		v.AddArg3(ptr, x, mem)
  4101  		return true
  4102  	}
  4103  	// match: (MOVLstore {sym} [off] ptr y:(ANDLload x [off] {sym} ptr mem) mem)
  4104  	// cond: y.Uses==1 && clobber(y)
  4105  	// result: (ANDLmodify [off] {sym} ptr x mem)
  4106  	for {
  4107  		off := auxIntToInt32(v.AuxInt)
  4108  		sym := auxToSym(v.Aux)
  4109  		ptr := v_0
  4110  		y := v_1
  4111  		if y.Op != Op386ANDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4112  			break
  4113  		}
  4114  		mem := y.Args[2]
  4115  		x := y.Args[0]
  4116  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4117  			break
  4118  		}
  4119  		v.reset(Op386ANDLmodify)
  4120  		v.AuxInt = int32ToAuxInt(off)
  4121  		v.Aux = symToAux(sym)
  4122  		v.AddArg3(ptr, x, mem)
  4123  		return true
  4124  	}
  4125  	// match: (MOVLstore {sym} [off] ptr y:(ORLload x [off] {sym} ptr mem) mem)
  4126  	// cond: y.Uses==1 && clobber(y)
  4127  	// result: (ORLmodify [off] {sym} ptr x mem)
  4128  	for {
  4129  		off := auxIntToInt32(v.AuxInt)
  4130  		sym := auxToSym(v.Aux)
  4131  		ptr := v_0
  4132  		y := v_1
  4133  		if y.Op != Op386ORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4134  			break
  4135  		}
  4136  		mem := y.Args[2]
  4137  		x := y.Args[0]
  4138  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4139  			break
  4140  		}
  4141  		v.reset(Op386ORLmodify)
  4142  		v.AuxInt = int32ToAuxInt(off)
  4143  		v.Aux = symToAux(sym)
  4144  		v.AddArg3(ptr, x, mem)
  4145  		return true
  4146  	}
  4147  	// match: (MOVLstore {sym} [off] ptr y:(XORLload x [off] {sym} ptr mem) mem)
  4148  	// cond: y.Uses==1 && clobber(y)
  4149  	// result: (XORLmodify [off] {sym} ptr x mem)
  4150  	for {
  4151  		off := auxIntToInt32(v.AuxInt)
  4152  		sym := auxToSym(v.Aux)
  4153  		ptr := v_0
  4154  		y := v_1
  4155  		if y.Op != Op386XORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4156  			break
  4157  		}
  4158  		mem := y.Args[2]
  4159  		x := y.Args[0]
  4160  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4161  			break
  4162  		}
  4163  		v.reset(Op386XORLmodify)
  4164  		v.AuxInt = int32ToAuxInt(off)
  4165  		v.Aux = symToAux(sym)
  4166  		v.AddArg3(ptr, x, mem)
  4167  		return true
  4168  	}
  4169  	// match: (MOVLstore {sym} [off] ptr y:(ADDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4170  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4171  	// result: (ADDLmodify [off] {sym} ptr x mem)
  4172  	for {
  4173  		off := auxIntToInt32(v.AuxInt)
  4174  		sym := auxToSym(v.Aux)
  4175  		ptr := v_0
  4176  		y := v_1
  4177  		if y.Op != Op386ADDL {
  4178  			break
  4179  		}
  4180  		_ = y.Args[1]
  4181  		y_0 := y.Args[0]
  4182  		y_1 := y.Args[1]
  4183  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4184  			l := y_0
  4185  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4186  				continue
  4187  			}
  4188  			mem := l.Args[1]
  4189  			if ptr != l.Args[0] {
  4190  				continue
  4191  			}
  4192  			x := y_1
  4193  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4194  				continue
  4195  			}
  4196  			v.reset(Op386ADDLmodify)
  4197  			v.AuxInt = int32ToAuxInt(off)
  4198  			v.Aux = symToAux(sym)
  4199  			v.AddArg3(ptr, x, mem)
  4200  			return true
  4201  		}
  4202  		break
  4203  	}
  4204  	// match: (MOVLstore {sym} [off] ptr y:(SUBL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4205  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4206  	// result: (SUBLmodify [off] {sym} ptr x mem)
  4207  	for {
  4208  		off := auxIntToInt32(v.AuxInt)
  4209  		sym := auxToSym(v.Aux)
  4210  		ptr := v_0
  4211  		y := v_1
  4212  		if y.Op != Op386SUBL {
  4213  			break
  4214  		}
  4215  		x := y.Args[1]
  4216  		l := y.Args[0]
  4217  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4218  			break
  4219  		}
  4220  		mem := l.Args[1]
  4221  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4222  			break
  4223  		}
  4224  		v.reset(Op386SUBLmodify)
  4225  		v.AuxInt = int32ToAuxInt(off)
  4226  		v.Aux = symToAux(sym)
  4227  		v.AddArg3(ptr, x, mem)
  4228  		return true
  4229  	}
  4230  	// match: (MOVLstore {sym} [off] ptr y:(ANDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4231  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4232  	// result: (ANDLmodify [off] {sym} ptr x mem)
  4233  	for {
  4234  		off := auxIntToInt32(v.AuxInt)
  4235  		sym := auxToSym(v.Aux)
  4236  		ptr := v_0
  4237  		y := v_1
  4238  		if y.Op != Op386ANDL {
  4239  			break
  4240  		}
  4241  		_ = y.Args[1]
  4242  		y_0 := y.Args[0]
  4243  		y_1 := y.Args[1]
  4244  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4245  			l := y_0
  4246  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4247  				continue
  4248  			}
  4249  			mem := l.Args[1]
  4250  			if ptr != l.Args[0] {
  4251  				continue
  4252  			}
  4253  			x := y_1
  4254  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4255  				continue
  4256  			}
  4257  			v.reset(Op386ANDLmodify)
  4258  			v.AuxInt = int32ToAuxInt(off)
  4259  			v.Aux = symToAux(sym)
  4260  			v.AddArg3(ptr, x, mem)
  4261  			return true
  4262  		}
  4263  		break
  4264  	}
  4265  	// match: (MOVLstore {sym} [off] ptr y:(ORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4266  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4267  	// result: (ORLmodify [off] {sym} ptr x mem)
  4268  	for {
  4269  		off := auxIntToInt32(v.AuxInt)
  4270  		sym := auxToSym(v.Aux)
  4271  		ptr := v_0
  4272  		y := v_1
  4273  		if y.Op != Op386ORL {
  4274  			break
  4275  		}
  4276  		_ = y.Args[1]
  4277  		y_0 := y.Args[0]
  4278  		y_1 := y.Args[1]
  4279  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4280  			l := y_0
  4281  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4282  				continue
  4283  			}
  4284  			mem := l.Args[1]
  4285  			if ptr != l.Args[0] {
  4286  				continue
  4287  			}
  4288  			x := y_1
  4289  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4290  				continue
  4291  			}
  4292  			v.reset(Op386ORLmodify)
  4293  			v.AuxInt = int32ToAuxInt(off)
  4294  			v.Aux = symToAux(sym)
  4295  			v.AddArg3(ptr, x, mem)
  4296  			return true
  4297  		}
  4298  		break
  4299  	}
  4300  	// match: (MOVLstore {sym} [off] ptr y:(XORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4301  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4302  	// result: (XORLmodify [off] {sym} ptr x mem)
  4303  	for {
  4304  		off := auxIntToInt32(v.AuxInt)
  4305  		sym := auxToSym(v.Aux)
  4306  		ptr := v_0
  4307  		y := v_1
  4308  		if y.Op != Op386XORL {
  4309  			break
  4310  		}
  4311  		_ = y.Args[1]
  4312  		y_0 := y.Args[0]
  4313  		y_1 := y.Args[1]
  4314  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4315  			l := y_0
  4316  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4317  				continue
  4318  			}
  4319  			mem := l.Args[1]
  4320  			if ptr != l.Args[0] {
  4321  				continue
  4322  			}
  4323  			x := y_1
  4324  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4325  				continue
  4326  			}
  4327  			v.reset(Op386XORLmodify)
  4328  			v.AuxInt = int32ToAuxInt(off)
  4329  			v.Aux = symToAux(sym)
  4330  			v.AddArg3(ptr, x, mem)
  4331  			return true
  4332  		}
  4333  		break
  4334  	}
  4335  	// match: (MOVLstore {sym} [off] ptr y:(ADDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4336  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4337  	// result: (ADDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4338  	for {
  4339  		off := auxIntToInt32(v.AuxInt)
  4340  		sym := auxToSym(v.Aux)
  4341  		ptr := v_0
  4342  		y := v_1
  4343  		if y.Op != Op386ADDLconst {
  4344  			break
  4345  		}
  4346  		c := auxIntToInt32(y.AuxInt)
  4347  		l := y.Args[0]
  4348  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4349  			break
  4350  		}
  4351  		mem := l.Args[1]
  4352  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4353  			break
  4354  		}
  4355  		v.reset(Op386ADDLconstmodify)
  4356  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4357  		v.Aux = symToAux(sym)
  4358  		v.AddArg2(ptr, mem)
  4359  		return true
  4360  	}
  4361  	// match: (MOVLstore {sym} [off] ptr y:(ANDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4362  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4363  	// result: (ANDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4364  	for {
  4365  		off := auxIntToInt32(v.AuxInt)
  4366  		sym := auxToSym(v.Aux)
  4367  		ptr := v_0
  4368  		y := v_1
  4369  		if y.Op != Op386ANDLconst {
  4370  			break
  4371  		}
  4372  		c := auxIntToInt32(y.AuxInt)
  4373  		l := y.Args[0]
  4374  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4375  			break
  4376  		}
  4377  		mem := l.Args[1]
  4378  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4379  			break
  4380  		}
  4381  		v.reset(Op386ANDLconstmodify)
  4382  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4383  		v.Aux = symToAux(sym)
  4384  		v.AddArg2(ptr, mem)
  4385  		return true
  4386  	}
  4387  	// match: (MOVLstore {sym} [off] ptr y:(ORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4388  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4389  	// result: (ORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4390  	for {
  4391  		off := auxIntToInt32(v.AuxInt)
  4392  		sym := auxToSym(v.Aux)
  4393  		ptr := v_0
  4394  		y := v_1
  4395  		if y.Op != Op386ORLconst {
  4396  			break
  4397  		}
  4398  		c := auxIntToInt32(y.AuxInt)
  4399  		l := y.Args[0]
  4400  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4401  			break
  4402  		}
  4403  		mem := l.Args[1]
  4404  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4405  			break
  4406  		}
  4407  		v.reset(Op386ORLconstmodify)
  4408  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4409  		v.Aux = symToAux(sym)
  4410  		v.AddArg2(ptr, mem)
  4411  		return true
  4412  	}
  4413  	// match: (MOVLstore {sym} [off] ptr y:(XORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4414  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4415  	// result: (XORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4416  	for {
  4417  		off := auxIntToInt32(v.AuxInt)
  4418  		sym := auxToSym(v.Aux)
  4419  		ptr := v_0
  4420  		y := v_1
  4421  		if y.Op != Op386XORLconst {
  4422  			break
  4423  		}
  4424  		c := auxIntToInt32(y.AuxInt)
  4425  		l := y.Args[0]
  4426  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4427  			break
  4428  		}
  4429  		mem := l.Args[1]
  4430  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4431  			break
  4432  		}
  4433  		v.reset(Op386XORLconstmodify)
  4434  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4435  		v.Aux = symToAux(sym)
  4436  		v.AddArg2(ptr, mem)
  4437  		return true
  4438  	}
  4439  	return false
  4440  }
  4441  func rewriteValue386_Op386MOVLstoreconst(v *Value) bool {
  4442  	v_1 := v.Args[1]
  4443  	v_0 := v.Args[0]
  4444  	b := v.Block
  4445  	config := b.Func.Config
  4446  	// match: (MOVLstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  4447  	// cond: sc.canAdd32(off)
  4448  	// result: (MOVLstoreconst [sc.addOffset32(off)] {s} ptr mem)
  4449  	for {
  4450  		sc := auxIntToValAndOff(v.AuxInt)
  4451  		s := auxToSym(v.Aux)
  4452  		if v_0.Op != Op386ADDLconst {
  4453  			break
  4454  		}
  4455  		off := auxIntToInt32(v_0.AuxInt)
  4456  		ptr := v_0.Args[0]
  4457  		mem := v_1
  4458  		if !(sc.canAdd32(off)) {
  4459  			break
  4460  		}
  4461  		v.reset(Op386MOVLstoreconst)
  4462  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4463  		v.Aux = symToAux(s)
  4464  		v.AddArg2(ptr, mem)
  4465  		return true
  4466  	}
  4467  	// match: (MOVLstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  4468  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  4469  	// result: (MOVLstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  4470  	for {
  4471  		sc := auxIntToValAndOff(v.AuxInt)
  4472  		sym1 := auxToSym(v.Aux)
  4473  		if v_0.Op != Op386LEAL {
  4474  			break
  4475  		}
  4476  		off := auxIntToInt32(v_0.AuxInt)
  4477  		sym2 := auxToSym(v_0.Aux)
  4478  		ptr := v_0.Args[0]
  4479  		mem := v_1
  4480  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4481  			break
  4482  		}
  4483  		v.reset(Op386MOVLstoreconst)
  4484  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4485  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4486  		v.AddArg2(ptr, mem)
  4487  		return true
  4488  	}
  4489  	return false
  4490  }
  4491  func rewriteValue386_Op386MOVSDconst(v *Value) bool {
  4492  	b := v.Block
  4493  	config := b.Func.Config
  4494  	typ := &b.Func.Config.Types
  4495  	// match: (MOVSDconst [c])
  4496  	// cond: config.ctxt.Flag_shared
  4497  	// result: (MOVSDconst2 (MOVSDconst1 [c]))
  4498  	for {
  4499  		c := auxIntToFloat64(v.AuxInt)
  4500  		if !(config.ctxt.Flag_shared) {
  4501  			break
  4502  		}
  4503  		v.reset(Op386MOVSDconst2)
  4504  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst1, typ.UInt32)
  4505  		v0.AuxInt = float64ToAuxInt(c)
  4506  		v.AddArg(v0)
  4507  		return true
  4508  	}
  4509  	return false
  4510  }
  4511  func rewriteValue386_Op386MOVSDload(v *Value) bool {
  4512  	v_1 := v.Args[1]
  4513  	v_0 := v.Args[0]
  4514  	b := v.Block
  4515  	config := b.Func.Config
  4516  	// match: (MOVSDload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4517  	// cond: is32Bit(int64(off1)+int64(off2))
  4518  	// result: (MOVSDload [off1+off2] {sym} ptr mem)
  4519  	for {
  4520  		off1 := auxIntToInt32(v.AuxInt)
  4521  		sym := auxToSym(v.Aux)
  4522  		if v_0.Op != Op386ADDLconst {
  4523  			break
  4524  		}
  4525  		off2 := auxIntToInt32(v_0.AuxInt)
  4526  		ptr := v_0.Args[0]
  4527  		mem := v_1
  4528  		if !(is32Bit(int64(off1) + int64(off2))) {
  4529  			break
  4530  		}
  4531  		v.reset(Op386MOVSDload)
  4532  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4533  		v.Aux = symToAux(sym)
  4534  		v.AddArg2(ptr, mem)
  4535  		return true
  4536  	}
  4537  	// match: (MOVSDload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4538  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4539  	// result: (MOVSDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4540  	for {
  4541  		off1 := auxIntToInt32(v.AuxInt)
  4542  		sym1 := auxToSym(v.Aux)
  4543  		if v_0.Op != Op386LEAL {
  4544  			break
  4545  		}
  4546  		off2 := auxIntToInt32(v_0.AuxInt)
  4547  		sym2 := auxToSym(v_0.Aux)
  4548  		base := v_0.Args[0]
  4549  		mem := v_1
  4550  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4551  			break
  4552  		}
  4553  		v.reset(Op386MOVSDload)
  4554  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4555  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4556  		v.AddArg2(base, mem)
  4557  		return true
  4558  	}
  4559  	return false
  4560  }
  4561  func rewriteValue386_Op386MOVSDstore(v *Value) bool {
  4562  	v_2 := v.Args[2]
  4563  	v_1 := v.Args[1]
  4564  	v_0 := v.Args[0]
  4565  	b := v.Block
  4566  	config := b.Func.Config
  4567  	// match: (MOVSDstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4568  	// cond: is32Bit(int64(off1)+int64(off2))
  4569  	// result: (MOVSDstore [off1+off2] {sym} ptr val mem)
  4570  	for {
  4571  		off1 := auxIntToInt32(v.AuxInt)
  4572  		sym := auxToSym(v.Aux)
  4573  		if v_0.Op != Op386ADDLconst {
  4574  			break
  4575  		}
  4576  		off2 := auxIntToInt32(v_0.AuxInt)
  4577  		ptr := v_0.Args[0]
  4578  		val := v_1
  4579  		mem := v_2
  4580  		if !(is32Bit(int64(off1) + int64(off2))) {
  4581  			break
  4582  		}
  4583  		v.reset(Op386MOVSDstore)
  4584  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4585  		v.Aux = symToAux(sym)
  4586  		v.AddArg3(ptr, val, mem)
  4587  		return true
  4588  	}
  4589  	// match: (MOVSDstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4590  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4591  	// result: (MOVSDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4592  	for {
  4593  		off1 := auxIntToInt32(v.AuxInt)
  4594  		sym1 := auxToSym(v.Aux)
  4595  		if v_0.Op != Op386LEAL {
  4596  			break
  4597  		}
  4598  		off2 := auxIntToInt32(v_0.AuxInt)
  4599  		sym2 := auxToSym(v_0.Aux)
  4600  		base := v_0.Args[0]
  4601  		val := v_1
  4602  		mem := v_2
  4603  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4604  			break
  4605  		}
  4606  		v.reset(Op386MOVSDstore)
  4607  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4608  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4609  		v.AddArg3(base, val, mem)
  4610  		return true
  4611  	}
  4612  	return false
  4613  }
  4614  func rewriteValue386_Op386MOVSSconst(v *Value) bool {
  4615  	b := v.Block
  4616  	config := b.Func.Config
  4617  	typ := &b.Func.Config.Types
  4618  	// match: (MOVSSconst [c])
  4619  	// cond: config.ctxt.Flag_shared
  4620  	// result: (MOVSSconst2 (MOVSSconst1 [c]))
  4621  	for {
  4622  		c := auxIntToFloat32(v.AuxInt)
  4623  		if !(config.ctxt.Flag_shared) {
  4624  			break
  4625  		}
  4626  		v.reset(Op386MOVSSconst2)
  4627  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst1, typ.UInt32)
  4628  		v0.AuxInt = float32ToAuxInt(c)
  4629  		v.AddArg(v0)
  4630  		return true
  4631  	}
  4632  	return false
  4633  }
  4634  func rewriteValue386_Op386MOVSSload(v *Value) bool {
  4635  	v_1 := v.Args[1]
  4636  	v_0 := v.Args[0]
  4637  	b := v.Block
  4638  	config := b.Func.Config
  4639  	// match: (MOVSSload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4640  	// cond: is32Bit(int64(off1)+int64(off2))
  4641  	// result: (MOVSSload [off1+off2] {sym} ptr mem)
  4642  	for {
  4643  		off1 := auxIntToInt32(v.AuxInt)
  4644  		sym := auxToSym(v.Aux)
  4645  		if v_0.Op != Op386ADDLconst {
  4646  			break
  4647  		}
  4648  		off2 := auxIntToInt32(v_0.AuxInt)
  4649  		ptr := v_0.Args[0]
  4650  		mem := v_1
  4651  		if !(is32Bit(int64(off1) + int64(off2))) {
  4652  			break
  4653  		}
  4654  		v.reset(Op386MOVSSload)
  4655  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4656  		v.Aux = symToAux(sym)
  4657  		v.AddArg2(ptr, mem)
  4658  		return true
  4659  	}
  4660  	// match: (MOVSSload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4661  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4662  	// result: (MOVSSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4663  	for {
  4664  		off1 := auxIntToInt32(v.AuxInt)
  4665  		sym1 := auxToSym(v.Aux)
  4666  		if v_0.Op != Op386LEAL {
  4667  			break
  4668  		}
  4669  		off2 := auxIntToInt32(v_0.AuxInt)
  4670  		sym2 := auxToSym(v_0.Aux)
  4671  		base := v_0.Args[0]
  4672  		mem := v_1
  4673  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4674  			break
  4675  		}
  4676  		v.reset(Op386MOVSSload)
  4677  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4678  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4679  		v.AddArg2(base, mem)
  4680  		return true
  4681  	}
  4682  	return false
  4683  }
  4684  func rewriteValue386_Op386MOVSSstore(v *Value) bool {
  4685  	v_2 := v.Args[2]
  4686  	v_1 := v.Args[1]
  4687  	v_0 := v.Args[0]
  4688  	b := v.Block
  4689  	config := b.Func.Config
  4690  	// match: (MOVSSstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4691  	// cond: is32Bit(int64(off1)+int64(off2))
  4692  	// result: (MOVSSstore [off1+off2] {sym} ptr val mem)
  4693  	for {
  4694  		off1 := auxIntToInt32(v.AuxInt)
  4695  		sym := auxToSym(v.Aux)
  4696  		if v_0.Op != Op386ADDLconst {
  4697  			break
  4698  		}
  4699  		off2 := auxIntToInt32(v_0.AuxInt)
  4700  		ptr := v_0.Args[0]
  4701  		val := v_1
  4702  		mem := v_2
  4703  		if !(is32Bit(int64(off1) + int64(off2))) {
  4704  			break
  4705  		}
  4706  		v.reset(Op386MOVSSstore)
  4707  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4708  		v.Aux = symToAux(sym)
  4709  		v.AddArg3(ptr, val, mem)
  4710  		return true
  4711  	}
  4712  	// match: (MOVSSstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4713  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4714  	// result: (MOVSSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4715  	for {
  4716  		off1 := auxIntToInt32(v.AuxInt)
  4717  		sym1 := auxToSym(v.Aux)
  4718  		if v_0.Op != Op386LEAL {
  4719  			break
  4720  		}
  4721  		off2 := auxIntToInt32(v_0.AuxInt)
  4722  		sym2 := auxToSym(v_0.Aux)
  4723  		base := v_0.Args[0]
  4724  		val := v_1
  4725  		mem := v_2
  4726  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4727  			break
  4728  		}
  4729  		v.reset(Op386MOVSSstore)
  4730  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4731  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4732  		v.AddArg3(base, val, mem)
  4733  		return true
  4734  	}
  4735  	return false
  4736  }
  4737  func rewriteValue386_Op386MOVWLSX(v *Value) bool {
  4738  	v_0 := v.Args[0]
  4739  	b := v.Block
  4740  	// match: (MOVWLSX x:(MOVWload [off] {sym} ptr mem))
  4741  	// cond: x.Uses == 1 && clobber(x)
  4742  	// result: @x.Block (MOVWLSXload <v.Type> [off] {sym} ptr mem)
  4743  	for {
  4744  		x := v_0
  4745  		if x.Op != Op386MOVWload {
  4746  			break
  4747  		}
  4748  		off := auxIntToInt32(x.AuxInt)
  4749  		sym := auxToSym(x.Aux)
  4750  		mem := x.Args[1]
  4751  		ptr := x.Args[0]
  4752  		if !(x.Uses == 1 && clobber(x)) {
  4753  			break
  4754  		}
  4755  		b = x.Block
  4756  		v0 := b.NewValue0(x.Pos, Op386MOVWLSXload, v.Type)
  4757  		v.copyOf(v0)
  4758  		v0.AuxInt = int32ToAuxInt(off)
  4759  		v0.Aux = symToAux(sym)
  4760  		v0.AddArg2(ptr, mem)
  4761  		return true
  4762  	}
  4763  	// match: (MOVWLSX (ANDLconst [c] x))
  4764  	// cond: c & 0x8000 == 0
  4765  	// result: (ANDLconst [c & 0x7fff] x)
  4766  	for {
  4767  		if v_0.Op != Op386ANDLconst {
  4768  			break
  4769  		}
  4770  		c := auxIntToInt32(v_0.AuxInt)
  4771  		x := v_0.Args[0]
  4772  		if !(c&0x8000 == 0) {
  4773  			break
  4774  		}
  4775  		v.reset(Op386ANDLconst)
  4776  		v.AuxInt = int32ToAuxInt(c & 0x7fff)
  4777  		v.AddArg(x)
  4778  		return true
  4779  	}
  4780  	return false
  4781  }
  4782  func rewriteValue386_Op386MOVWLSXload(v *Value) bool {
  4783  	v_1 := v.Args[1]
  4784  	v_0 := v.Args[0]
  4785  	b := v.Block
  4786  	config := b.Func.Config
  4787  	// match: (MOVWLSXload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4788  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4789  	// result: (MOVWLSX x)
  4790  	for {
  4791  		off := auxIntToInt32(v.AuxInt)
  4792  		sym := auxToSym(v.Aux)
  4793  		ptr := v_0
  4794  		if v_1.Op != Op386MOVWstore {
  4795  			break
  4796  		}
  4797  		off2 := auxIntToInt32(v_1.AuxInt)
  4798  		sym2 := auxToSym(v_1.Aux)
  4799  		x := v_1.Args[1]
  4800  		ptr2 := v_1.Args[0]
  4801  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4802  			break
  4803  		}
  4804  		v.reset(Op386MOVWLSX)
  4805  		v.AddArg(x)
  4806  		return true
  4807  	}
  4808  	// match: (MOVWLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4809  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4810  	// result: (MOVWLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4811  	for {
  4812  		off1 := auxIntToInt32(v.AuxInt)
  4813  		sym1 := auxToSym(v.Aux)
  4814  		if v_0.Op != Op386LEAL {
  4815  			break
  4816  		}
  4817  		off2 := auxIntToInt32(v_0.AuxInt)
  4818  		sym2 := auxToSym(v_0.Aux)
  4819  		base := v_0.Args[0]
  4820  		mem := v_1
  4821  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4822  			break
  4823  		}
  4824  		v.reset(Op386MOVWLSXload)
  4825  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4826  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4827  		v.AddArg2(base, mem)
  4828  		return true
  4829  	}
  4830  	// match: (MOVWLSXload [off] {sym} (SB) _)
  4831  	// cond: symIsRO(sym)
  4832  	// result: (MOVLconst [int32(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))])
  4833  	for {
  4834  		off := auxIntToInt32(v.AuxInt)
  4835  		sym := auxToSym(v.Aux)
  4836  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4837  			break
  4838  		}
  4839  		v.reset(Op386MOVLconst)
  4840  		v.AuxInt = int32ToAuxInt(int32(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))))
  4841  		return true
  4842  	}
  4843  	return false
  4844  }
  4845  func rewriteValue386_Op386MOVWLZX(v *Value) bool {
  4846  	v_0 := v.Args[0]
  4847  	b := v.Block
  4848  	// match: (MOVWLZX x:(MOVWload [off] {sym} ptr mem))
  4849  	// cond: x.Uses == 1 && clobber(x)
  4850  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
  4851  	for {
  4852  		x := v_0
  4853  		if x.Op != Op386MOVWload {
  4854  			break
  4855  		}
  4856  		off := auxIntToInt32(x.AuxInt)
  4857  		sym := auxToSym(x.Aux)
  4858  		mem := x.Args[1]
  4859  		ptr := x.Args[0]
  4860  		if !(x.Uses == 1 && clobber(x)) {
  4861  			break
  4862  		}
  4863  		b = x.Block
  4864  		v0 := b.NewValue0(x.Pos, Op386MOVWload, v.Type)
  4865  		v.copyOf(v0)
  4866  		v0.AuxInt = int32ToAuxInt(off)
  4867  		v0.Aux = symToAux(sym)
  4868  		v0.AddArg2(ptr, mem)
  4869  		return true
  4870  	}
  4871  	// match: (MOVWLZX (ANDLconst [c] x))
  4872  	// result: (ANDLconst [c & 0xffff] x)
  4873  	for {
  4874  		if v_0.Op != Op386ANDLconst {
  4875  			break
  4876  		}
  4877  		c := auxIntToInt32(v_0.AuxInt)
  4878  		x := v_0.Args[0]
  4879  		v.reset(Op386ANDLconst)
  4880  		v.AuxInt = int32ToAuxInt(c & 0xffff)
  4881  		v.AddArg(x)
  4882  		return true
  4883  	}
  4884  	return false
  4885  }
  4886  func rewriteValue386_Op386MOVWload(v *Value) bool {
  4887  	v_1 := v.Args[1]
  4888  	v_0 := v.Args[0]
  4889  	b := v.Block
  4890  	config := b.Func.Config
  4891  	// match: (MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4892  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4893  	// result: (MOVWLZX x)
  4894  	for {
  4895  		off := auxIntToInt32(v.AuxInt)
  4896  		sym := auxToSym(v.Aux)
  4897  		ptr := v_0
  4898  		if v_1.Op != Op386MOVWstore {
  4899  			break
  4900  		}
  4901  		off2 := auxIntToInt32(v_1.AuxInt)
  4902  		sym2 := auxToSym(v_1.Aux)
  4903  		x := v_1.Args[1]
  4904  		ptr2 := v_1.Args[0]
  4905  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4906  			break
  4907  		}
  4908  		v.reset(Op386MOVWLZX)
  4909  		v.AddArg(x)
  4910  		return true
  4911  	}
  4912  	// match: (MOVWload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4913  	// cond: is32Bit(int64(off1)+int64(off2))
  4914  	// result: (MOVWload [off1+off2] {sym} ptr mem)
  4915  	for {
  4916  		off1 := auxIntToInt32(v.AuxInt)
  4917  		sym := auxToSym(v.Aux)
  4918  		if v_0.Op != Op386ADDLconst {
  4919  			break
  4920  		}
  4921  		off2 := auxIntToInt32(v_0.AuxInt)
  4922  		ptr := v_0.Args[0]
  4923  		mem := v_1
  4924  		if !(is32Bit(int64(off1) + int64(off2))) {
  4925  			break
  4926  		}
  4927  		v.reset(Op386MOVWload)
  4928  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4929  		v.Aux = symToAux(sym)
  4930  		v.AddArg2(ptr, mem)
  4931  		return true
  4932  	}
  4933  	// match: (MOVWload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4934  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4935  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4936  	for {
  4937  		off1 := auxIntToInt32(v.AuxInt)
  4938  		sym1 := auxToSym(v.Aux)
  4939  		if v_0.Op != Op386LEAL {
  4940  			break
  4941  		}
  4942  		off2 := auxIntToInt32(v_0.AuxInt)
  4943  		sym2 := auxToSym(v_0.Aux)
  4944  		base := v_0.Args[0]
  4945  		mem := v_1
  4946  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4947  			break
  4948  		}
  4949  		v.reset(Op386MOVWload)
  4950  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4951  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4952  		v.AddArg2(base, mem)
  4953  		return true
  4954  	}
  4955  	// match: (MOVWload [off] {sym} (SB) _)
  4956  	// cond: symIsRO(sym)
  4957  	// result: (MOVLconst [int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  4958  	for {
  4959  		off := auxIntToInt32(v.AuxInt)
  4960  		sym := auxToSym(v.Aux)
  4961  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4962  			break
  4963  		}
  4964  		v.reset(Op386MOVLconst)
  4965  		v.AuxInt = int32ToAuxInt(int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  4966  		return true
  4967  	}
  4968  	return false
  4969  }
  4970  func rewriteValue386_Op386MOVWstore(v *Value) bool {
  4971  	v_2 := v.Args[2]
  4972  	v_1 := v.Args[1]
  4973  	v_0 := v.Args[0]
  4974  	b := v.Block
  4975  	config := b.Func.Config
  4976  	// match: (MOVWstore [off] {sym} ptr (MOVWLSX x) mem)
  4977  	// result: (MOVWstore [off] {sym} ptr x mem)
  4978  	for {
  4979  		off := auxIntToInt32(v.AuxInt)
  4980  		sym := auxToSym(v.Aux)
  4981  		ptr := v_0
  4982  		if v_1.Op != Op386MOVWLSX {
  4983  			break
  4984  		}
  4985  		x := v_1.Args[0]
  4986  		mem := v_2
  4987  		v.reset(Op386MOVWstore)
  4988  		v.AuxInt = int32ToAuxInt(off)
  4989  		v.Aux = symToAux(sym)
  4990  		v.AddArg3(ptr, x, mem)
  4991  		return true
  4992  	}
  4993  	// match: (MOVWstore [off] {sym} ptr (MOVWLZX x) mem)
  4994  	// result: (MOVWstore [off] {sym} ptr x mem)
  4995  	for {
  4996  		off := auxIntToInt32(v.AuxInt)
  4997  		sym := auxToSym(v.Aux)
  4998  		ptr := v_0
  4999  		if v_1.Op != Op386MOVWLZX {
  5000  			break
  5001  		}
  5002  		x := v_1.Args[0]
  5003  		mem := v_2
  5004  		v.reset(Op386MOVWstore)
  5005  		v.AuxInt = int32ToAuxInt(off)
  5006  		v.Aux = symToAux(sym)
  5007  		v.AddArg3(ptr, x, mem)
  5008  		return true
  5009  	}
  5010  	// match: (MOVWstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  5011  	// cond: is32Bit(int64(off1)+int64(off2))
  5012  	// result: (MOVWstore [off1+off2] {sym} ptr val mem)
  5013  	for {
  5014  		off1 := auxIntToInt32(v.AuxInt)
  5015  		sym := auxToSym(v.Aux)
  5016  		if v_0.Op != Op386ADDLconst {
  5017  			break
  5018  		}
  5019  		off2 := auxIntToInt32(v_0.AuxInt)
  5020  		ptr := v_0.Args[0]
  5021  		val := v_1
  5022  		mem := v_2
  5023  		if !(is32Bit(int64(off1) + int64(off2))) {
  5024  			break
  5025  		}
  5026  		v.reset(Op386MOVWstore)
  5027  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5028  		v.Aux = symToAux(sym)
  5029  		v.AddArg3(ptr, val, mem)
  5030  		return true
  5031  	}
  5032  	// match: (MOVWstore [off] {sym} ptr (MOVLconst [c]) mem)
  5033  	// result: (MOVWstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  5034  	for {
  5035  		off := auxIntToInt32(v.AuxInt)
  5036  		sym := auxToSym(v.Aux)
  5037  		ptr := v_0
  5038  		if v_1.Op != Op386MOVLconst {
  5039  			break
  5040  		}
  5041  		c := auxIntToInt32(v_1.AuxInt)
  5042  		mem := v_2
  5043  		v.reset(Op386MOVWstoreconst)
  5044  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  5045  		v.Aux = symToAux(sym)
  5046  		v.AddArg2(ptr, mem)
  5047  		return true
  5048  	}
  5049  	// match: (MOVWstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  5050  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5051  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5052  	for {
  5053  		off1 := auxIntToInt32(v.AuxInt)
  5054  		sym1 := auxToSym(v.Aux)
  5055  		if v_0.Op != Op386LEAL {
  5056  			break
  5057  		}
  5058  		off2 := auxIntToInt32(v_0.AuxInt)
  5059  		sym2 := auxToSym(v_0.Aux)
  5060  		base := v_0.Args[0]
  5061  		val := v_1
  5062  		mem := v_2
  5063  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5064  			break
  5065  		}
  5066  		v.reset(Op386MOVWstore)
  5067  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5068  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5069  		v.AddArg3(base, val, mem)
  5070  		return true
  5071  	}
  5072  	return false
  5073  }
  5074  func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
  5075  	v_1 := v.Args[1]
  5076  	v_0 := v.Args[0]
  5077  	b := v.Block
  5078  	config := b.Func.Config
  5079  	// match: (MOVWstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  5080  	// cond: sc.canAdd32(off)
  5081  	// result: (MOVWstoreconst [sc.addOffset32(off)] {s} ptr mem)
  5082  	for {
  5083  		sc := auxIntToValAndOff(v.AuxInt)
  5084  		s := auxToSym(v.Aux)
  5085  		if v_0.Op != Op386ADDLconst {
  5086  			break
  5087  		}
  5088  		off := auxIntToInt32(v_0.AuxInt)
  5089  		ptr := v_0.Args[0]
  5090  		mem := v_1
  5091  		if !(sc.canAdd32(off)) {
  5092  			break
  5093  		}
  5094  		v.reset(Op386MOVWstoreconst)
  5095  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  5096  		v.Aux = symToAux(s)
  5097  		v.AddArg2(ptr, mem)
  5098  		return true
  5099  	}
  5100  	// match: (MOVWstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  5101  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  5102  	// result: (MOVWstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  5103  	for {
  5104  		sc := auxIntToValAndOff(v.AuxInt)
  5105  		sym1 := auxToSym(v.Aux)
  5106  		if v_0.Op != Op386LEAL {
  5107  			break
  5108  		}
  5109  		off := auxIntToInt32(v_0.AuxInt)
  5110  		sym2 := auxToSym(v_0.Aux)
  5111  		ptr := v_0.Args[0]
  5112  		mem := v_1
  5113  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  5114  			break
  5115  		}
  5116  		v.reset(Op386MOVWstoreconst)
  5117  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  5118  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5119  		v.AddArg2(ptr, mem)
  5120  		return true
  5121  	}
  5122  	return false
  5123  }
  5124  func rewriteValue386_Op386MULL(v *Value) bool {
  5125  	v_1 := v.Args[1]
  5126  	v_0 := v.Args[0]
  5127  	// match: (MULL x (MOVLconst [c]))
  5128  	// result: (MULLconst [c] x)
  5129  	for {
  5130  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5131  			x := v_0
  5132  			if v_1.Op != Op386MOVLconst {
  5133  				continue
  5134  			}
  5135  			c := auxIntToInt32(v_1.AuxInt)
  5136  			v.reset(Op386MULLconst)
  5137  			v.AuxInt = int32ToAuxInt(c)
  5138  			v.AddArg(x)
  5139  			return true
  5140  		}
  5141  		break
  5142  	}
  5143  	// match: (MULL x l:(MOVLload [off] {sym} ptr mem))
  5144  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5145  	// result: (MULLload x [off] {sym} ptr mem)
  5146  	for {
  5147  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5148  			x := v_0
  5149  			l := v_1
  5150  			if l.Op != Op386MOVLload {
  5151  				continue
  5152  			}
  5153  			off := auxIntToInt32(l.AuxInt)
  5154  			sym := auxToSym(l.Aux)
  5155  			mem := l.Args[1]
  5156  			ptr := l.Args[0]
  5157  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5158  				continue
  5159  			}
  5160  			v.reset(Op386MULLload)
  5161  			v.AuxInt = int32ToAuxInt(off)
  5162  			v.Aux = symToAux(sym)
  5163  			v.AddArg3(x, ptr, mem)
  5164  			return true
  5165  		}
  5166  		break
  5167  	}
  5168  	return false
  5169  }
  5170  func rewriteValue386_Op386MULLconst(v *Value) bool {
  5171  	v_0 := v.Args[0]
  5172  	b := v.Block
  5173  	// match: (MULLconst [c] (MULLconst [d] x))
  5174  	// result: (MULLconst [c * d] x)
  5175  	for {
  5176  		c := auxIntToInt32(v.AuxInt)
  5177  		if v_0.Op != Op386MULLconst {
  5178  			break
  5179  		}
  5180  		d := auxIntToInt32(v_0.AuxInt)
  5181  		x := v_0.Args[0]
  5182  		v.reset(Op386MULLconst)
  5183  		v.AuxInt = int32ToAuxInt(c * d)
  5184  		v.AddArg(x)
  5185  		return true
  5186  	}
  5187  	// match: (MULLconst [-9] x)
  5188  	// result: (NEGL (LEAL8 <v.Type> x x))
  5189  	for {
  5190  		if auxIntToInt32(v.AuxInt) != -9 {
  5191  			break
  5192  		}
  5193  		x := v_0
  5194  		v.reset(Op386NEGL)
  5195  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5196  		v0.AddArg2(x, x)
  5197  		v.AddArg(v0)
  5198  		return true
  5199  	}
  5200  	// match: (MULLconst [-5] x)
  5201  	// result: (NEGL (LEAL4 <v.Type> x x))
  5202  	for {
  5203  		if auxIntToInt32(v.AuxInt) != -5 {
  5204  			break
  5205  		}
  5206  		x := v_0
  5207  		v.reset(Op386NEGL)
  5208  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5209  		v0.AddArg2(x, x)
  5210  		v.AddArg(v0)
  5211  		return true
  5212  	}
  5213  	// match: (MULLconst [-3] x)
  5214  	// result: (NEGL (LEAL2 <v.Type> x x))
  5215  	for {
  5216  		if auxIntToInt32(v.AuxInt) != -3 {
  5217  			break
  5218  		}
  5219  		x := v_0
  5220  		v.reset(Op386NEGL)
  5221  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5222  		v0.AddArg2(x, x)
  5223  		v.AddArg(v0)
  5224  		return true
  5225  	}
  5226  	// match: (MULLconst [-1] x)
  5227  	// result: (NEGL x)
  5228  	for {
  5229  		if auxIntToInt32(v.AuxInt) != -1 {
  5230  			break
  5231  		}
  5232  		x := v_0
  5233  		v.reset(Op386NEGL)
  5234  		v.AddArg(x)
  5235  		return true
  5236  	}
  5237  	// match: (MULLconst [0] _)
  5238  	// result: (MOVLconst [0])
  5239  	for {
  5240  		if auxIntToInt32(v.AuxInt) != 0 {
  5241  			break
  5242  		}
  5243  		v.reset(Op386MOVLconst)
  5244  		v.AuxInt = int32ToAuxInt(0)
  5245  		return true
  5246  	}
  5247  	// match: (MULLconst [1] x)
  5248  	// result: x
  5249  	for {
  5250  		if auxIntToInt32(v.AuxInt) != 1 {
  5251  			break
  5252  		}
  5253  		x := v_0
  5254  		v.copyOf(x)
  5255  		return true
  5256  	}
  5257  	// match: (MULLconst [3] x)
  5258  	// result: (LEAL2 x x)
  5259  	for {
  5260  		if auxIntToInt32(v.AuxInt) != 3 {
  5261  			break
  5262  		}
  5263  		x := v_0
  5264  		v.reset(Op386LEAL2)
  5265  		v.AddArg2(x, x)
  5266  		return true
  5267  	}
  5268  	// match: (MULLconst [5] x)
  5269  	// result: (LEAL4 x x)
  5270  	for {
  5271  		if auxIntToInt32(v.AuxInt) != 5 {
  5272  			break
  5273  		}
  5274  		x := v_0
  5275  		v.reset(Op386LEAL4)
  5276  		v.AddArg2(x, x)
  5277  		return true
  5278  	}
  5279  	// match: (MULLconst [7] x)
  5280  	// result: (LEAL2 x (LEAL2 <v.Type> x x))
  5281  	for {
  5282  		if auxIntToInt32(v.AuxInt) != 7 {
  5283  			break
  5284  		}
  5285  		x := v_0
  5286  		v.reset(Op386LEAL2)
  5287  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5288  		v0.AddArg2(x, x)
  5289  		v.AddArg2(x, v0)
  5290  		return true
  5291  	}
  5292  	// match: (MULLconst [9] x)
  5293  	// result: (LEAL8 x x)
  5294  	for {
  5295  		if auxIntToInt32(v.AuxInt) != 9 {
  5296  			break
  5297  		}
  5298  		x := v_0
  5299  		v.reset(Op386LEAL8)
  5300  		v.AddArg2(x, x)
  5301  		return true
  5302  	}
  5303  	// match: (MULLconst [11] x)
  5304  	// result: (LEAL2 x (LEAL4 <v.Type> x x))
  5305  	for {
  5306  		if auxIntToInt32(v.AuxInt) != 11 {
  5307  			break
  5308  		}
  5309  		x := v_0
  5310  		v.reset(Op386LEAL2)
  5311  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5312  		v0.AddArg2(x, x)
  5313  		v.AddArg2(x, v0)
  5314  		return true
  5315  	}
  5316  	// match: (MULLconst [13] x)
  5317  	// result: (LEAL4 x (LEAL2 <v.Type> x x))
  5318  	for {
  5319  		if auxIntToInt32(v.AuxInt) != 13 {
  5320  			break
  5321  		}
  5322  		x := v_0
  5323  		v.reset(Op386LEAL4)
  5324  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5325  		v0.AddArg2(x, x)
  5326  		v.AddArg2(x, v0)
  5327  		return true
  5328  	}
  5329  	// match: (MULLconst [19] x)
  5330  	// result: (LEAL2 x (LEAL8 <v.Type> x x))
  5331  	for {
  5332  		if auxIntToInt32(v.AuxInt) != 19 {
  5333  			break
  5334  		}
  5335  		x := v_0
  5336  		v.reset(Op386LEAL2)
  5337  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5338  		v0.AddArg2(x, x)
  5339  		v.AddArg2(x, v0)
  5340  		return true
  5341  	}
  5342  	// match: (MULLconst [21] x)
  5343  	// result: (LEAL4 x (LEAL4 <v.Type> x x))
  5344  	for {
  5345  		if auxIntToInt32(v.AuxInt) != 21 {
  5346  			break
  5347  		}
  5348  		x := v_0
  5349  		v.reset(Op386LEAL4)
  5350  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5351  		v0.AddArg2(x, x)
  5352  		v.AddArg2(x, v0)
  5353  		return true
  5354  	}
  5355  	// match: (MULLconst [25] x)
  5356  	// result: (LEAL8 x (LEAL2 <v.Type> x x))
  5357  	for {
  5358  		if auxIntToInt32(v.AuxInt) != 25 {
  5359  			break
  5360  		}
  5361  		x := v_0
  5362  		v.reset(Op386LEAL8)
  5363  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5364  		v0.AddArg2(x, x)
  5365  		v.AddArg2(x, v0)
  5366  		return true
  5367  	}
  5368  	// match: (MULLconst [27] x)
  5369  	// result: (LEAL8 (LEAL2 <v.Type> x x) (LEAL2 <v.Type> x x))
  5370  	for {
  5371  		if auxIntToInt32(v.AuxInt) != 27 {
  5372  			break
  5373  		}
  5374  		x := v_0
  5375  		v.reset(Op386LEAL8)
  5376  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5377  		v0.AddArg2(x, x)
  5378  		v.AddArg2(v0, v0)
  5379  		return true
  5380  	}
  5381  	// match: (MULLconst [37] x)
  5382  	// result: (LEAL4 x (LEAL8 <v.Type> x x))
  5383  	for {
  5384  		if auxIntToInt32(v.AuxInt) != 37 {
  5385  			break
  5386  		}
  5387  		x := v_0
  5388  		v.reset(Op386LEAL4)
  5389  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5390  		v0.AddArg2(x, x)
  5391  		v.AddArg2(x, v0)
  5392  		return true
  5393  	}
  5394  	// match: (MULLconst [41] x)
  5395  	// result: (LEAL8 x (LEAL4 <v.Type> x x))
  5396  	for {
  5397  		if auxIntToInt32(v.AuxInt) != 41 {
  5398  			break
  5399  		}
  5400  		x := v_0
  5401  		v.reset(Op386LEAL8)
  5402  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5403  		v0.AddArg2(x, x)
  5404  		v.AddArg2(x, v0)
  5405  		return true
  5406  	}
  5407  	// match: (MULLconst [45] x)
  5408  	// result: (LEAL8 (LEAL4 <v.Type> x x) (LEAL4 <v.Type> x x))
  5409  	for {
  5410  		if auxIntToInt32(v.AuxInt) != 45 {
  5411  			break
  5412  		}
  5413  		x := v_0
  5414  		v.reset(Op386LEAL8)
  5415  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5416  		v0.AddArg2(x, x)
  5417  		v.AddArg2(v0, v0)
  5418  		return true
  5419  	}
  5420  	// match: (MULLconst [73] x)
  5421  	// result: (LEAL8 x (LEAL8 <v.Type> x x))
  5422  	for {
  5423  		if auxIntToInt32(v.AuxInt) != 73 {
  5424  			break
  5425  		}
  5426  		x := v_0
  5427  		v.reset(Op386LEAL8)
  5428  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5429  		v0.AddArg2(x, x)
  5430  		v.AddArg2(x, v0)
  5431  		return true
  5432  	}
  5433  	// match: (MULLconst [81] x)
  5434  	// result: (LEAL8 (LEAL8 <v.Type> x x) (LEAL8 <v.Type> x x))
  5435  	for {
  5436  		if auxIntToInt32(v.AuxInt) != 81 {
  5437  			break
  5438  		}
  5439  		x := v_0
  5440  		v.reset(Op386LEAL8)
  5441  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5442  		v0.AddArg2(x, x)
  5443  		v.AddArg2(v0, v0)
  5444  		return true
  5445  	}
  5446  	// match: (MULLconst [c] x)
  5447  	// cond: isPowerOfTwo(c+1) && c >= 15
  5448  	// result: (SUBL (SHLLconst <v.Type> [int32(log32(c+1))] x) x)
  5449  	for {
  5450  		c := auxIntToInt32(v.AuxInt)
  5451  		x := v_0
  5452  		if !(isPowerOfTwo(c+1) && c >= 15) {
  5453  			break
  5454  		}
  5455  		v.reset(Op386SUBL)
  5456  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5457  		v0.AuxInt = int32ToAuxInt(int32(log32(c + 1)))
  5458  		v0.AddArg(x)
  5459  		v.AddArg2(v0, x)
  5460  		return true
  5461  	}
  5462  	// match: (MULLconst [c] x)
  5463  	// cond: isPowerOfTwo(c-1) && c >= 17
  5464  	// result: (LEAL1 (SHLLconst <v.Type> [int32(log32(c-1))] x) x)
  5465  	for {
  5466  		c := auxIntToInt32(v.AuxInt)
  5467  		x := v_0
  5468  		if !(isPowerOfTwo(c-1) && c >= 17) {
  5469  			break
  5470  		}
  5471  		v.reset(Op386LEAL1)
  5472  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5473  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 1)))
  5474  		v0.AddArg(x)
  5475  		v.AddArg2(v0, x)
  5476  		return true
  5477  	}
  5478  	// match: (MULLconst [c] x)
  5479  	// cond: isPowerOfTwo(c-2) && c >= 34
  5480  	// result: (LEAL2 (SHLLconst <v.Type> [int32(log32(c-2))] x) x)
  5481  	for {
  5482  		c := auxIntToInt32(v.AuxInt)
  5483  		x := v_0
  5484  		if !(isPowerOfTwo(c-2) && c >= 34) {
  5485  			break
  5486  		}
  5487  		v.reset(Op386LEAL2)
  5488  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5489  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 2)))
  5490  		v0.AddArg(x)
  5491  		v.AddArg2(v0, x)
  5492  		return true
  5493  	}
  5494  	// match: (MULLconst [c] x)
  5495  	// cond: isPowerOfTwo(c-4) && c >= 68
  5496  	// result: (LEAL4 (SHLLconst <v.Type> [int32(log32(c-4))] x) x)
  5497  	for {
  5498  		c := auxIntToInt32(v.AuxInt)
  5499  		x := v_0
  5500  		if !(isPowerOfTwo(c-4) && c >= 68) {
  5501  			break
  5502  		}
  5503  		v.reset(Op386LEAL4)
  5504  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5505  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 4)))
  5506  		v0.AddArg(x)
  5507  		v.AddArg2(v0, x)
  5508  		return true
  5509  	}
  5510  	// match: (MULLconst [c] x)
  5511  	// cond: isPowerOfTwo(c-8) && c >= 136
  5512  	// result: (LEAL8 (SHLLconst <v.Type> [int32(log32(c-8))] x) x)
  5513  	for {
  5514  		c := auxIntToInt32(v.AuxInt)
  5515  		x := v_0
  5516  		if !(isPowerOfTwo(c-8) && c >= 136) {
  5517  			break
  5518  		}
  5519  		v.reset(Op386LEAL8)
  5520  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5521  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 8)))
  5522  		v0.AddArg(x)
  5523  		v.AddArg2(v0, x)
  5524  		return true
  5525  	}
  5526  	// match: (MULLconst [c] x)
  5527  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  5528  	// result: (SHLLconst [int32(log32(c/3))] (LEAL2 <v.Type> x x))
  5529  	for {
  5530  		c := auxIntToInt32(v.AuxInt)
  5531  		x := v_0
  5532  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  5533  			break
  5534  		}
  5535  		v.reset(Op386SHLLconst)
  5536  		v.AuxInt = int32ToAuxInt(int32(log32(c / 3)))
  5537  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5538  		v0.AddArg2(x, x)
  5539  		v.AddArg(v0)
  5540  		return true
  5541  	}
  5542  	// match: (MULLconst [c] x)
  5543  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  5544  	// result: (SHLLconst [int32(log32(c/5))] (LEAL4 <v.Type> x x))
  5545  	for {
  5546  		c := auxIntToInt32(v.AuxInt)
  5547  		x := v_0
  5548  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  5549  			break
  5550  		}
  5551  		v.reset(Op386SHLLconst)
  5552  		v.AuxInt = int32ToAuxInt(int32(log32(c / 5)))
  5553  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5554  		v0.AddArg2(x, x)
  5555  		v.AddArg(v0)
  5556  		return true
  5557  	}
  5558  	// match: (MULLconst [c] x)
  5559  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  5560  	// result: (SHLLconst [int32(log32(c/9))] (LEAL8 <v.Type> x x))
  5561  	for {
  5562  		c := auxIntToInt32(v.AuxInt)
  5563  		x := v_0
  5564  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  5565  			break
  5566  		}
  5567  		v.reset(Op386SHLLconst)
  5568  		v.AuxInt = int32ToAuxInt(int32(log32(c / 9)))
  5569  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5570  		v0.AddArg2(x, x)
  5571  		v.AddArg(v0)
  5572  		return true
  5573  	}
  5574  	// match: (MULLconst [c] (MOVLconst [d]))
  5575  	// result: (MOVLconst [c*d])
  5576  	for {
  5577  		c := auxIntToInt32(v.AuxInt)
  5578  		if v_0.Op != Op386MOVLconst {
  5579  			break
  5580  		}
  5581  		d := auxIntToInt32(v_0.AuxInt)
  5582  		v.reset(Op386MOVLconst)
  5583  		v.AuxInt = int32ToAuxInt(c * d)
  5584  		return true
  5585  	}
  5586  	return false
  5587  }
  5588  func rewriteValue386_Op386MULLload(v *Value) bool {
  5589  	v_2 := v.Args[2]
  5590  	v_1 := v.Args[1]
  5591  	v_0 := v.Args[0]
  5592  	b := v.Block
  5593  	config := b.Func.Config
  5594  	// match: (MULLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5595  	// cond: is32Bit(int64(off1)+int64(off2))
  5596  	// result: (MULLload [off1+off2] {sym} val base mem)
  5597  	for {
  5598  		off1 := auxIntToInt32(v.AuxInt)
  5599  		sym := auxToSym(v.Aux)
  5600  		val := v_0
  5601  		if v_1.Op != Op386ADDLconst {
  5602  			break
  5603  		}
  5604  		off2 := auxIntToInt32(v_1.AuxInt)
  5605  		base := v_1.Args[0]
  5606  		mem := v_2
  5607  		if !(is32Bit(int64(off1) + int64(off2))) {
  5608  			break
  5609  		}
  5610  		v.reset(Op386MULLload)
  5611  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5612  		v.Aux = symToAux(sym)
  5613  		v.AddArg3(val, base, mem)
  5614  		return true
  5615  	}
  5616  	// match: (MULLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5617  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5618  	// result: (MULLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5619  	for {
  5620  		off1 := auxIntToInt32(v.AuxInt)
  5621  		sym1 := auxToSym(v.Aux)
  5622  		val := v_0
  5623  		if v_1.Op != Op386LEAL {
  5624  			break
  5625  		}
  5626  		off2 := auxIntToInt32(v_1.AuxInt)
  5627  		sym2 := auxToSym(v_1.Aux)
  5628  		base := v_1.Args[0]
  5629  		mem := v_2
  5630  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5631  			break
  5632  		}
  5633  		v.reset(Op386MULLload)
  5634  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5635  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5636  		v.AddArg3(val, base, mem)
  5637  		return true
  5638  	}
  5639  	return false
  5640  }
  5641  func rewriteValue386_Op386MULSD(v *Value) bool {
  5642  	v_1 := v.Args[1]
  5643  	v_0 := v.Args[0]
  5644  	// match: (MULSD x l:(MOVSDload [off] {sym} ptr mem))
  5645  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5646  	// result: (MULSDload x [off] {sym} ptr mem)
  5647  	for {
  5648  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5649  			x := v_0
  5650  			l := v_1
  5651  			if l.Op != Op386MOVSDload {
  5652  				continue
  5653  			}
  5654  			off := auxIntToInt32(l.AuxInt)
  5655  			sym := auxToSym(l.Aux)
  5656  			mem := l.Args[1]
  5657  			ptr := l.Args[0]
  5658  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5659  				continue
  5660  			}
  5661  			v.reset(Op386MULSDload)
  5662  			v.AuxInt = int32ToAuxInt(off)
  5663  			v.Aux = symToAux(sym)
  5664  			v.AddArg3(x, ptr, mem)
  5665  			return true
  5666  		}
  5667  		break
  5668  	}
  5669  	return false
  5670  }
  5671  func rewriteValue386_Op386MULSDload(v *Value) bool {
  5672  	v_2 := v.Args[2]
  5673  	v_1 := v.Args[1]
  5674  	v_0 := v.Args[0]
  5675  	b := v.Block
  5676  	config := b.Func.Config
  5677  	// match: (MULSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  5678  	// cond: is32Bit(int64(off1)+int64(off2))
  5679  	// result: (MULSDload [off1+off2] {sym} val base mem)
  5680  	for {
  5681  		off1 := auxIntToInt32(v.AuxInt)
  5682  		sym := auxToSym(v.Aux)
  5683  		val := v_0
  5684  		if v_1.Op != Op386ADDLconst {
  5685  			break
  5686  		}
  5687  		off2 := auxIntToInt32(v_1.AuxInt)
  5688  		base := v_1.Args[0]
  5689  		mem := v_2
  5690  		if !(is32Bit(int64(off1) + int64(off2))) {
  5691  			break
  5692  		}
  5693  		v.reset(Op386MULSDload)
  5694  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5695  		v.Aux = symToAux(sym)
  5696  		v.AddArg3(val, base, mem)
  5697  		return true
  5698  	}
  5699  	// match: (MULSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5700  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5701  	// result: (MULSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5702  	for {
  5703  		off1 := auxIntToInt32(v.AuxInt)
  5704  		sym1 := auxToSym(v.Aux)
  5705  		val := v_0
  5706  		if v_1.Op != Op386LEAL {
  5707  			break
  5708  		}
  5709  		off2 := auxIntToInt32(v_1.AuxInt)
  5710  		sym2 := auxToSym(v_1.Aux)
  5711  		base := v_1.Args[0]
  5712  		mem := v_2
  5713  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5714  			break
  5715  		}
  5716  		v.reset(Op386MULSDload)
  5717  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5718  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5719  		v.AddArg3(val, base, mem)
  5720  		return true
  5721  	}
  5722  	return false
  5723  }
  5724  func rewriteValue386_Op386MULSS(v *Value) bool {
  5725  	v_1 := v.Args[1]
  5726  	v_0 := v.Args[0]
  5727  	// match: (MULSS x l:(MOVSSload [off] {sym} ptr mem))
  5728  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5729  	// result: (MULSSload x [off] {sym} ptr mem)
  5730  	for {
  5731  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5732  			x := v_0
  5733  			l := v_1
  5734  			if l.Op != Op386MOVSSload {
  5735  				continue
  5736  			}
  5737  			off := auxIntToInt32(l.AuxInt)
  5738  			sym := auxToSym(l.Aux)
  5739  			mem := l.Args[1]
  5740  			ptr := l.Args[0]
  5741  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5742  				continue
  5743  			}
  5744  			v.reset(Op386MULSSload)
  5745  			v.AuxInt = int32ToAuxInt(off)
  5746  			v.Aux = symToAux(sym)
  5747  			v.AddArg3(x, ptr, mem)
  5748  			return true
  5749  		}
  5750  		break
  5751  	}
  5752  	return false
  5753  }
  5754  func rewriteValue386_Op386MULSSload(v *Value) bool {
  5755  	v_2 := v.Args[2]
  5756  	v_1 := v.Args[1]
  5757  	v_0 := v.Args[0]
  5758  	b := v.Block
  5759  	config := b.Func.Config
  5760  	// match: (MULSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  5761  	// cond: is32Bit(int64(off1)+int64(off2))
  5762  	// result: (MULSSload [off1+off2] {sym} val base mem)
  5763  	for {
  5764  		off1 := auxIntToInt32(v.AuxInt)
  5765  		sym := auxToSym(v.Aux)
  5766  		val := v_0
  5767  		if v_1.Op != Op386ADDLconst {
  5768  			break
  5769  		}
  5770  		off2 := auxIntToInt32(v_1.AuxInt)
  5771  		base := v_1.Args[0]
  5772  		mem := v_2
  5773  		if !(is32Bit(int64(off1) + int64(off2))) {
  5774  			break
  5775  		}
  5776  		v.reset(Op386MULSSload)
  5777  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5778  		v.Aux = symToAux(sym)
  5779  		v.AddArg3(val, base, mem)
  5780  		return true
  5781  	}
  5782  	// match: (MULSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5783  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5784  	// result: (MULSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5785  	for {
  5786  		off1 := auxIntToInt32(v.AuxInt)
  5787  		sym1 := auxToSym(v.Aux)
  5788  		val := v_0
  5789  		if v_1.Op != Op386LEAL {
  5790  			break
  5791  		}
  5792  		off2 := auxIntToInt32(v_1.AuxInt)
  5793  		sym2 := auxToSym(v_1.Aux)
  5794  		base := v_1.Args[0]
  5795  		mem := v_2
  5796  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5797  			break
  5798  		}
  5799  		v.reset(Op386MULSSload)
  5800  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5801  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5802  		v.AddArg3(val, base, mem)
  5803  		return true
  5804  	}
  5805  	return false
  5806  }
  5807  func rewriteValue386_Op386NEGL(v *Value) bool {
  5808  	v_0 := v.Args[0]
  5809  	// match: (NEGL (MOVLconst [c]))
  5810  	// result: (MOVLconst [-c])
  5811  	for {
  5812  		if v_0.Op != Op386MOVLconst {
  5813  			break
  5814  		}
  5815  		c := auxIntToInt32(v_0.AuxInt)
  5816  		v.reset(Op386MOVLconst)
  5817  		v.AuxInt = int32ToAuxInt(-c)
  5818  		return true
  5819  	}
  5820  	return false
  5821  }
  5822  func rewriteValue386_Op386NOTL(v *Value) bool {
  5823  	v_0 := v.Args[0]
  5824  	// match: (NOTL (MOVLconst [c]))
  5825  	// result: (MOVLconst [^c])
  5826  	for {
  5827  		if v_0.Op != Op386MOVLconst {
  5828  			break
  5829  		}
  5830  		c := auxIntToInt32(v_0.AuxInt)
  5831  		v.reset(Op386MOVLconst)
  5832  		v.AuxInt = int32ToAuxInt(^c)
  5833  		return true
  5834  	}
  5835  	return false
  5836  }
  5837  func rewriteValue386_Op386ORL(v *Value) bool {
  5838  	v_1 := v.Args[1]
  5839  	v_0 := v.Args[0]
  5840  	// match: (ORL x (MOVLconst [c]))
  5841  	// result: (ORLconst [c] x)
  5842  	for {
  5843  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5844  			x := v_0
  5845  			if v_1.Op != Op386MOVLconst {
  5846  				continue
  5847  			}
  5848  			c := auxIntToInt32(v_1.AuxInt)
  5849  			v.reset(Op386ORLconst)
  5850  			v.AuxInt = int32ToAuxInt(c)
  5851  			v.AddArg(x)
  5852  			return true
  5853  		}
  5854  		break
  5855  	}
  5856  	// match: (ORL x l:(MOVLload [off] {sym} ptr mem))
  5857  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5858  	// result: (ORLload x [off] {sym} ptr mem)
  5859  	for {
  5860  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5861  			x := v_0
  5862  			l := v_1
  5863  			if l.Op != Op386MOVLload {
  5864  				continue
  5865  			}
  5866  			off := auxIntToInt32(l.AuxInt)
  5867  			sym := auxToSym(l.Aux)
  5868  			mem := l.Args[1]
  5869  			ptr := l.Args[0]
  5870  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5871  				continue
  5872  			}
  5873  			v.reset(Op386ORLload)
  5874  			v.AuxInt = int32ToAuxInt(off)
  5875  			v.Aux = symToAux(sym)
  5876  			v.AddArg3(x, ptr, mem)
  5877  			return true
  5878  		}
  5879  		break
  5880  	}
  5881  	// match: (ORL x x)
  5882  	// result: x
  5883  	for {
  5884  		x := v_0
  5885  		if x != v_1 {
  5886  			break
  5887  		}
  5888  		v.copyOf(x)
  5889  		return true
  5890  	}
  5891  	return false
  5892  }
  5893  func rewriteValue386_Op386ORLconst(v *Value) bool {
  5894  	v_0 := v.Args[0]
  5895  	// match: (ORLconst [c] x)
  5896  	// cond: c==0
  5897  	// result: x
  5898  	for {
  5899  		c := auxIntToInt32(v.AuxInt)
  5900  		x := v_0
  5901  		if !(c == 0) {
  5902  			break
  5903  		}
  5904  		v.copyOf(x)
  5905  		return true
  5906  	}
  5907  	// match: (ORLconst [c] _)
  5908  	// cond: c==-1
  5909  	// result: (MOVLconst [-1])
  5910  	for {
  5911  		c := auxIntToInt32(v.AuxInt)
  5912  		if !(c == -1) {
  5913  			break
  5914  		}
  5915  		v.reset(Op386MOVLconst)
  5916  		v.AuxInt = int32ToAuxInt(-1)
  5917  		return true
  5918  	}
  5919  	// match: (ORLconst [c] (MOVLconst [d]))
  5920  	// result: (MOVLconst [c|d])
  5921  	for {
  5922  		c := auxIntToInt32(v.AuxInt)
  5923  		if v_0.Op != Op386MOVLconst {
  5924  			break
  5925  		}
  5926  		d := auxIntToInt32(v_0.AuxInt)
  5927  		v.reset(Op386MOVLconst)
  5928  		v.AuxInt = int32ToAuxInt(c | d)
  5929  		return true
  5930  	}
  5931  	return false
  5932  }
  5933  func rewriteValue386_Op386ORLconstmodify(v *Value) bool {
  5934  	v_1 := v.Args[1]
  5935  	v_0 := v.Args[0]
  5936  	b := v.Block
  5937  	config := b.Func.Config
  5938  	// match: (ORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  5939  	// cond: valoff1.canAdd32(off2)
  5940  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  5941  	for {
  5942  		valoff1 := auxIntToValAndOff(v.AuxInt)
  5943  		sym := auxToSym(v.Aux)
  5944  		if v_0.Op != Op386ADDLconst {
  5945  			break
  5946  		}
  5947  		off2 := auxIntToInt32(v_0.AuxInt)
  5948  		base := v_0.Args[0]
  5949  		mem := v_1
  5950  		if !(valoff1.canAdd32(off2)) {
  5951  			break
  5952  		}
  5953  		v.reset(Op386ORLconstmodify)
  5954  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  5955  		v.Aux = symToAux(sym)
  5956  		v.AddArg2(base, mem)
  5957  		return true
  5958  	}
  5959  	// match: (ORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  5960  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5961  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  5962  	for {
  5963  		valoff1 := auxIntToValAndOff(v.AuxInt)
  5964  		sym1 := auxToSym(v.Aux)
  5965  		if v_0.Op != Op386LEAL {
  5966  			break
  5967  		}
  5968  		off2 := auxIntToInt32(v_0.AuxInt)
  5969  		sym2 := auxToSym(v_0.Aux)
  5970  		base := v_0.Args[0]
  5971  		mem := v_1
  5972  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5973  			break
  5974  		}
  5975  		v.reset(Op386ORLconstmodify)
  5976  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  5977  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5978  		v.AddArg2(base, mem)
  5979  		return true
  5980  	}
  5981  	return false
  5982  }
  5983  func rewriteValue386_Op386ORLload(v *Value) bool {
  5984  	v_2 := v.Args[2]
  5985  	v_1 := v.Args[1]
  5986  	v_0 := v.Args[0]
  5987  	b := v.Block
  5988  	config := b.Func.Config
  5989  	// match: (ORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5990  	// cond: is32Bit(int64(off1)+int64(off2))
  5991  	// result: (ORLload [off1+off2] {sym} val base mem)
  5992  	for {
  5993  		off1 := auxIntToInt32(v.AuxInt)
  5994  		sym := auxToSym(v.Aux)
  5995  		val := v_0
  5996  		if v_1.Op != Op386ADDLconst {
  5997  			break
  5998  		}
  5999  		off2 := auxIntToInt32(v_1.AuxInt)
  6000  		base := v_1.Args[0]
  6001  		mem := v_2
  6002  		if !(is32Bit(int64(off1) + int64(off2))) {
  6003  			break
  6004  		}
  6005  		v.reset(Op386ORLload)
  6006  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6007  		v.Aux = symToAux(sym)
  6008  		v.AddArg3(val, base, mem)
  6009  		return true
  6010  	}
  6011  	// match: (ORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  6012  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6013  	// result: (ORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  6014  	for {
  6015  		off1 := auxIntToInt32(v.AuxInt)
  6016  		sym1 := auxToSym(v.Aux)
  6017  		val := v_0
  6018  		if v_1.Op != Op386LEAL {
  6019  			break
  6020  		}
  6021  		off2 := auxIntToInt32(v_1.AuxInt)
  6022  		sym2 := auxToSym(v_1.Aux)
  6023  		base := v_1.Args[0]
  6024  		mem := v_2
  6025  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6026  			break
  6027  		}
  6028  		v.reset(Op386ORLload)
  6029  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6030  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6031  		v.AddArg3(val, base, mem)
  6032  		return true
  6033  	}
  6034  	return false
  6035  }
  6036  func rewriteValue386_Op386ORLmodify(v *Value) bool {
  6037  	v_2 := v.Args[2]
  6038  	v_1 := v.Args[1]
  6039  	v_0 := v.Args[0]
  6040  	b := v.Block
  6041  	config := b.Func.Config
  6042  	// match: (ORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  6043  	// cond: is32Bit(int64(off1)+int64(off2))
  6044  	// result: (ORLmodify [off1+off2] {sym} base val mem)
  6045  	for {
  6046  		off1 := auxIntToInt32(v.AuxInt)
  6047  		sym := auxToSym(v.Aux)
  6048  		if v_0.Op != Op386ADDLconst {
  6049  			break
  6050  		}
  6051  		off2 := auxIntToInt32(v_0.AuxInt)
  6052  		base := v_0.Args[0]
  6053  		val := v_1
  6054  		mem := v_2
  6055  		if !(is32Bit(int64(off1) + int64(off2))) {
  6056  			break
  6057  		}
  6058  		v.reset(Op386ORLmodify)
  6059  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6060  		v.Aux = symToAux(sym)
  6061  		v.AddArg3(base, val, mem)
  6062  		return true
  6063  	}
  6064  	// match: (ORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  6065  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6066  	// result: (ORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  6067  	for {
  6068  		off1 := auxIntToInt32(v.AuxInt)
  6069  		sym1 := auxToSym(v.Aux)
  6070  		if v_0.Op != Op386LEAL {
  6071  			break
  6072  		}
  6073  		off2 := auxIntToInt32(v_0.AuxInt)
  6074  		sym2 := auxToSym(v_0.Aux)
  6075  		base := v_0.Args[0]
  6076  		val := v_1
  6077  		mem := v_2
  6078  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6079  			break
  6080  		}
  6081  		v.reset(Op386ORLmodify)
  6082  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6083  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6084  		v.AddArg3(base, val, mem)
  6085  		return true
  6086  	}
  6087  	return false
  6088  }
  6089  func rewriteValue386_Op386ROLB(v *Value) bool {
  6090  	v_1 := v.Args[1]
  6091  	v_0 := v.Args[0]
  6092  	// match: (ROLB x (MOVLconst [c]))
  6093  	// result: (ROLBconst [int8(c&7)] x)
  6094  	for {
  6095  		x := v_0
  6096  		if v_1.Op != Op386MOVLconst {
  6097  			break
  6098  		}
  6099  		c := auxIntToInt32(v_1.AuxInt)
  6100  		v.reset(Op386ROLBconst)
  6101  		v.AuxInt = int8ToAuxInt(int8(c & 7))
  6102  		v.AddArg(x)
  6103  		return true
  6104  	}
  6105  	return false
  6106  }
  6107  func rewriteValue386_Op386ROLBconst(v *Value) bool {
  6108  	v_0 := v.Args[0]
  6109  	// match: (ROLBconst [0] x)
  6110  	// result: x
  6111  	for {
  6112  		if auxIntToInt8(v.AuxInt) != 0 {
  6113  			break
  6114  		}
  6115  		x := v_0
  6116  		v.copyOf(x)
  6117  		return true
  6118  	}
  6119  	return false
  6120  }
  6121  func rewriteValue386_Op386ROLL(v *Value) bool {
  6122  	v_1 := v.Args[1]
  6123  	v_0 := v.Args[0]
  6124  	// match: (ROLL x (MOVLconst [c]))
  6125  	// result: (ROLLconst [c&31] x)
  6126  	for {
  6127  		x := v_0
  6128  		if v_1.Op != Op386MOVLconst {
  6129  			break
  6130  		}
  6131  		c := auxIntToInt32(v_1.AuxInt)
  6132  		v.reset(Op386ROLLconst)
  6133  		v.AuxInt = int32ToAuxInt(c & 31)
  6134  		v.AddArg(x)
  6135  		return true
  6136  	}
  6137  	return false
  6138  }
  6139  func rewriteValue386_Op386ROLLconst(v *Value) bool {
  6140  	v_0 := v.Args[0]
  6141  	// match: (ROLLconst [0] x)
  6142  	// result: x
  6143  	for {
  6144  		if auxIntToInt32(v.AuxInt) != 0 {
  6145  			break
  6146  		}
  6147  		x := v_0
  6148  		v.copyOf(x)
  6149  		return true
  6150  	}
  6151  	return false
  6152  }
  6153  func rewriteValue386_Op386ROLW(v *Value) bool {
  6154  	v_1 := v.Args[1]
  6155  	v_0 := v.Args[0]
  6156  	// match: (ROLW x (MOVLconst [c]))
  6157  	// result: (ROLWconst [int16(c&15)] x)
  6158  	for {
  6159  		x := v_0
  6160  		if v_1.Op != Op386MOVLconst {
  6161  			break
  6162  		}
  6163  		c := auxIntToInt32(v_1.AuxInt)
  6164  		v.reset(Op386ROLWconst)
  6165  		v.AuxInt = int16ToAuxInt(int16(c & 15))
  6166  		v.AddArg(x)
  6167  		return true
  6168  	}
  6169  	return false
  6170  }
  6171  func rewriteValue386_Op386ROLWconst(v *Value) bool {
  6172  	v_0 := v.Args[0]
  6173  	// match: (ROLWconst [0] x)
  6174  	// result: x
  6175  	for {
  6176  		if auxIntToInt16(v.AuxInt) != 0 {
  6177  			break
  6178  		}
  6179  		x := v_0
  6180  		v.copyOf(x)
  6181  		return true
  6182  	}
  6183  	return false
  6184  }
  6185  func rewriteValue386_Op386SARB(v *Value) bool {
  6186  	v_1 := v.Args[1]
  6187  	v_0 := v.Args[0]
  6188  	// match: (SARB x (MOVLconst [c]))
  6189  	// result: (SARBconst [int8(min(int64(c&31),7))] x)
  6190  	for {
  6191  		x := v_0
  6192  		if v_1.Op != Op386MOVLconst {
  6193  			break
  6194  		}
  6195  		c := auxIntToInt32(v_1.AuxInt)
  6196  		v.reset(Op386SARBconst)
  6197  		v.AuxInt = int8ToAuxInt(int8(min(int64(c&31), 7)))
  6198  		v.AddArg(x)
  6199  		return true
  6200  	}
  6201  	return false
  6202  }
  6203  func rewriteValue386_Op386SARBconst(v *Value) bool {
  6204  	v_0 := v.Args[0]
  6205  	// match: (SARBconst x [0])
  6206  	// result: x
  6207  	for {
  6208  		if auxIntToInt8(v.AuxInt) != 0 {
  6209  			break
  6210  		}
  6211  		x := v_0
  6212  		v.copyOf(x)
  6213  		return true
  6214  	}
  6215  	// match: (SARBconst [c] (MOVLconst [d]))
  6216  	// result: (MOVLconst [d>>uint64(c)])
  6217  	for {
  6218  		c := auxIntToInt8(v.AuxInt)
  6219  		if v_0.Op != Op386MOVLconst {
  6220  			break
  6221  		}
  6222  		d := auxIntToInt32(v_0.AuxInt)
  6223  		v.reset(Op386MOVLconst)
  6224  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6225  		return true
  6226  	}
  6227  	return false
  6228  }
  6229  func rewriteValue386_Op386SARL(v *Value) bool {
  6230  	v_1 := v.Args[1]
  6231  	v_0 := v.Args[0]
  6232  	// match: (SARL x (MOVLconst [c]))
  6233  	// result: (SARLconst [c&31] x)
  6234  	for {
  6235  		x := v_0
  6236  		if v_1.Op != Op386MOVLconst {
  6237  			break
  6238  		}
  6239  		c := auxIntToInt32(v_1.AuxInt)
  6240  		v.reset(Op386SARLconst)
  6241  		v.AuxInt = int32ToAuxInt(c & 31)
  6242  		v.AddArg(x)
  6243  		return true
  6244  	}
  6245  	// match: (SARL x (ANDLconst [31] y))
  6246  	// result: (SARL x y)
  6247  	for {
  6248  		x := v_0
  6249  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6250  			break
  6251  		}
  6252  		y := v_1.Args[0]
  6253  		v.reset(Op386SARL)
  6254  		v.AddArg2(x, y)
  6255  		return true
  6256  	}
  6257  	return false
  6258  }
  6259  func rewriteValue386_Op386SARLconst(v *Value) bool {
  6260  	v_0 := v.Args[0]
  6261  	// match: (SARLconst x [0])
  6262  	// result: x
  6263  	for {
  6264  		if auxIntToInt32(v.AuxInt) != 0 {
  6265  			break
  6266  		}
  6267  		x := v_0
  6268  		v.copyOf(x)
  6269  		return true
  6270  	}
  6271  	// match: (SARLconst [c] (MOVLconst [d]))
  6272  	// result: (MOVLconst [d>>uint64(c)])
  6273  	for {
  6274  		c := auxIntToInt32(v.AuxInt)
  6275  		if v_0.Op != Op386MOVLconst {
  6276  			break
  6277  		}
  6278  		d := auxIntToInt32(v_0.AuxInt)
  6279  		v.reset(Op386MOVLconst)
  6280  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6281  		return true
  6282  	}
  6283  	return false
  6284  }
  6285  func rewriteValue386_Op386SARW(v *Value) bool {
  6286  	v_1 := v.Args[1]
  6287  	v_0 := v.Args[0]
  6288  	// match: (SARW x (MOVLconst [c]))
  6289  	// result: (SARWconst [int16(min(int64(c&31),15))] x)
  6290  	for {
  6291  		x := v_0
  6292  		if v_1.Op != Op386MOVLconst {
  6293  			break
  6294  		}
  6295  		c := auxIntToInt32(v_1.AuxInt)
  6296  		v.reset(Op386SARWconst)
  6297  		v.AuxInt = int16ToAuxInt(int16(min(int64(c&31), 15)))
  6298  		v.AddArg(x)
  6299  		return true
  6300  	}
  6301  	return false
  6302  }
  6303  func rewriteValue386_Op386SARWconst(v *Value) bool {
  6304  	v_0 := v.Args[0]
  6305  	// match: (SARWconst x [0])
  6306  	// result: x
  6307  	for {
  6308  		if auxIntToInt16(v.AuxInt) != 0 {
  6309  			break
  6310  		}
  6311  		x := v_0
  6312  		v.copyOf(x)
  6313  		return true
  6314  	}
  6315  	// match: (SARWconst [c] (MOVLconst [d]))
  6316  	// result: (MOVLconst [d>>uint64(c)])
  6317  	for {
  6318  		c := auxIntToInt16(v.AuxInt)
  6319  		if v_0.Op != Op386MOVLconst {
  6320  			break
  6321  		}
  6322  		d := auxIntToInt32(v_0.AuxInt)
  6323  		v.reset(Op386MOVLconst)
  6324  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6325  		return true
  6326  	}
  6327  	return false
  6328  }
  6329  func rewriteValue386_Op386SBBL(v *Value) bool {
  6330  	v_2 := v.Args[2]
  6331  	v_1 := v.Args[1]
  6332  	v_0 := v.Args[0]
  6333  	// match: (SBBL x (MOVLconst [c]) f)
  6334  	// result: (SBBLconst [c] x f)
  6335  	for {
  6336  		x := v_0
  6337  		if v_1.Op != Op386MOVLconst {
  6338  			break
  6339  		}
  6340  		c := auxIntToInt32(v_1.AuxInt)
  6341  		f := v_2
  6342  		v.reset(Op386SBBLconst)
  6343  		v.AuxInt = int32ToAuxInt(c)
  6344  		v.AddArg2(x, f)
  6345  		return true
  6346  	}
  6347  	return false
  6348  }
  6349  func rewriteValue386_Op386SBBLcarrymask(v *Value) bool {
  6350  	v_0 := v.Args[0]
  6351  	// match: (SBBLcarrymask (FlagEQ))
  6352  	// result: (MOVLconst [0])
  6353  	for {
  6354  		if v_0.Op != Op386FlagEQ {
  6355  			break
  6356  		}
  6357  		v.reset(Op386MOVLconst)
  6358  		v.AuxInt = int32ToAuxInt(0)
  6359  		return true
  6360  	}
  6361  	// match: (SBBLcarrymask (FlagLT_ULT))
  6362  	// result: (MOVLconst [-1])
  6363  	for {
  6364  		if v_0.Op != Op386FlagLT_ULT {
  6365  			break
  6366  		}
  6367  		v.reset(Op386MOVLconst)
  6368  		v.AuxInt = int32ToAuxInt(-1)
  6369  		return true
  6370  	}
  6371  	// match: (SBBLcarrymask (FlagLT_UGT))
  6372  	// result: (MOVLconst [0])
  6373  	for {
  6374  		if v_0.Op != Op386FlagLT_UGT {
  6375  			break
  6376  		}
  6377  		v.reset(Op386MOVLconst)
  6378  		v.AuxInt = int32ToAuxInt(0)
  6379  		return true
  6380  	}
  6381  	// match: (SBBLcarrymask (FlagGT_ULT))
  6382  	// result: (MOVLconst [-1])
  6383  	for {
  6384  		if v_0.Op != Op386FlagGT_ULT {
  6385  			break
  6386  		}
  6387  		v.reset(Op386MOVLconst)
  6388  		v.AuxInt = int32ToAuxInt(-1)
  6389  		return true
  6390  	}
  6391  	// match: (SBBLcarrymask (FlagGT_UGT))
  6392  	// result: (MOVLconst [0])
  6393  	for {
  6394  		if v_0.Op != Op386FlagGT_UGT {
  6395  			break
  6396  		}
  6397  		v.reset(Op386MOVLconst)
  6398  		v.AuxInt = int32ToAuxInt(0)
  6399  		return true
  6400  	}
  6401  	return false
  6402  }
  6403  func rewriteValue386_Op386SETA(v *Value) bool {
  6404  	v_0 := v.Args[0]
  6405  	// match: (SETA (InvertFlags x))
  6406  	// result: (SETB x)
  6407  	for {
  6408  		if v_0.Op != Op386InvertFlags {
  6409  			break
  6410  		}
  6411  		x := v_0.Args[0]
  6412  		v.reset(Op386SETB)
  6413  		v.AddArg(x)
  6414  		return true
  6415  	}
  6416  	// match: (SETA (FlagEQ))
  6417  	// result: (MOVLconst [0])
  6418  	for {
  6419  		if v_0.Op != Op386FlagEQ {
  6420  			break
  6421  		}
  6422  		v.reset(Op386MOVLconst)
  6423  		v.AuxInt = int32ToAuxInt(0)
  6424  		return true
  6425  	}
  6426  	// match: (SETA (FlagLT_ULT))
  6427  	// result: (MOVLconst [0])
  6428  	for {
  6429  		if v_0.Op != Op386FlagLT_ULT {
  6430  			break
  6431  		}
  6432  		v.reset(Op386MOVLconst)
  6433  		v.AuxInt = int32ToAuxInt(0)
  6434  		return true
  6435  	}
  6436  	// match: (SETA (FlagLT_UGT))
  6437  	// result: (MOVLconst [1])
  6438  	for {
  6439  		if v_0.Op != Op386FlagLT_UGT {
  6440  			break
  6441  		}
  6442  		v.reset(Op386MOVLconst)
  6443  		v.AuxInt = int32ToAuxInt(1)
  6444  		return true
  6445  	}
  6446  	// match: (SETA (FlagGT_ULT))
  6447  	// result: (MOVLconst [0])
  6448  	for {
  6449  		if v_0.Op != Op386FlagGT_ULT {
  6450  			break
  6451  		}
  6452  		v.reset(Op386MOVLconst)
  6453  		v.AuxInt = int32ToAuxInt(0)
  6454  		return true
  6455  	}
  6456  	// match: (SETA (FlagGT_UGT))
  6457  	// result: (MOVLconst [1])
  6458  	for {
  6459  		if v_0.Op != Op386FlagGT_UGT {
  6460  			break
  6461  		}
  6462  		v.reset(Op386MOVLconst)
  6463  		v.AuxInt = int32ToAuxInt(1)
  6464  		return true
  6465  	}
  6466  	return false
  6467  }
  6468  func rewriteValue386_Op386SETAE(v *Value) bool {
  6469  	v_0 := v.Args[0]
  6470  	// match: (SETAE (InvertFlags x))
  6471  	// result: (SETBE x)
  6472  	for {
  6473  		if v_0.Op != Op386InvertFlags {
  6474  			break
  6475  		}
  6476  		x := v_0.Args[0]
  6477  		v.reset(Op386SETBE)
  6478  		v.AddArg(x)
  6479  		return true
  6480  	}
  6481  	// match: (SETAE (FlagEQ))
  6482  	// result: (MOVLconst [1])
  6483  	for {
  6484  		if v_0.Op != Op386FlagEQ {
  6485  			break
  6486  		}
  6487  		v.reset(Op386MOVLconst)
  6488  		v.AuxInt = int32ToAuxInt(1)
  6489  		return true
  6490  	}
  6491  	// match: (SETAE (FlagLT_ULT))
  6492  	// result: (MOVLconst [0])
  6493  	for {
  6494  		if v_0.Op != Op386FlagLT_ULT {
  6495  			break
  6496  		}
  6497  		v.reset(Op386MOVLconst)
  6498  		v.AuxInt = int32ToAuxInt(0)
  6499  		return true
  6500  	}
  6501  	// match: (SETAE (FlagLT_UGT))
  6502  	// result: (MOVLconst [1])
  6503  	for {
  6504  		if v_0.Op != Op386FlagLT_UGT {
  6505  			break
  6506  		}
  6507  		v.reset(Op386MOVLconst)
  6508  		v.AuxInt = int32ToAuxInt(1)
  6509  		return true
  6510  	}
  6511  	// match: (SETAE (FlagGT_ULT))
  6512  	// result: (MOVLconst [0])
  6513  	for {
  6514  		if v_0.Op != Op386FlagGT_ULT {
  6515  			break
  6516  		}
  6517  		v.reset(Op386MOVLconst)
  6518  		v.AuxInt = int32ToAuxInt(0)
  6519  		return true
  6520  	}
  6521  	// match: (SETAE (FlagGT_UGT))
  6522  	// result: (MOVLconst [1])
  6523  	for {
  6524  		if v_0.Op != Op386FlagGT_UGT {
  6525  			break
  6526  		}
  6527  		v.reset(Op386MOVLconst)
  6528  		v.AuxInt = int32ToAuxInt(1)
  6529  		return true
  6530  	}
  6531  	return false
  6532  }
  6533  func rewriteValue386_Op386SETB(v *Value) bool {
  6534  	v_0 := v.Args[0]
  6535  	// match: (SETB (InvertFlags x))
  6536  	// result: (SETA x)
  6537  	for {
  6538  		if v_0.Op != Op386InvertFlags {
  6539  			break
  6540  		}
  6541  		x := v_0.Args[0]
  6542  		v.reset(Op386SETA)
  6543  		v.AddArg(x)
  6544  		return true
  6545  	}
  6546  	// match: (SETB (FlagEQ))
  6547  	// result: (MOVLconst [0])
  6548  	for {
  6549  		if v_0.Op != Op386FlagEQ {
  6550  			break
  6551  		}
  6552  		v.reset(Op386MOVLconst)
  6553  		v.AuxInt = int32ToAuxInt(0)
  6554  		return true
  6555  	}
  6556  	// match: (SETB (FlagLT_ULT))
  6557  	// result: (MOVLconst [1])
  6558  	for {
  6559  		if v_0.Op != Op386FlagLT_ULT {
  6560  			break
  6561  		}
  6562  		v.reset(Op386MOVLconst)
  6563  		v.AuxInt = int32ToAuxInt(1)
  6564  		return true
  6565  	}
  6566  	// match: (SETB (FlagLT_UGT))
  6567  	// result: (MOVLconst [0])
  6568  	for {
  6569  		if v_0.Op != Op386FlagLT_UGT {
  6570  			break
  6571  		}
  6572  		v.reset(Op386MOVLconst)
  6573  		v.AuxInt = int32ToAuxInt(0)
  6574  		return true
  6575  	}
  6576  	// match: (SETB (FlagGT_ULT))
  6577  	// result: (MOVLconst [1])
  6578  	for {
  6579  		if v_0.Op != Op386FlagGT_ULT {
  6580  			break
  6581  		}
  6582  		v.reset(Op386MOVLconst)
  6583  		v.AuxInt = int32ToAuxInt(1)
  6584  		return true
  6585  	}
  6586  	// match: (SETB (FlagGT_UGT))
  6587  	// result: (MOVLconst [0])
  6588  	for {
  6589  		if v_0.Op != Op386FlagGT_UGT {
  6590  			break
  6591  		}
  6592  		v.reset(Op386MOVLconst)
  6593  		v.AuxInt = int32ToAuxInt(0)
  6594  		return true
  6595  	}
  6596  	return false
  6597  }
  6598  func rewriteValue386_Op386SETBE(v *Value) bool {
  6599  	v_0 := v.Args[0]
  6600  	// match: (SETBE (InvertFlags x))
  6601  	// result: (SETAE x)
  6602  	for {
  6603  		if v_0.Op != Op386InvertFlags {
  6604  			break
  6605  		}
  6606  		x := v_0.Args[0]
  6607  		v.reset(Op386SETAE)
  6608  		v.AddArg(x)
  6609  		return true
  6610  	}
  6611  	// match: (SETBE (FlagEQ))
  6612  	// result: (MOVLconst [1])
  6613  	for {
  6614  		if v_0.Op != Op386FlagEQ {
  6615  			break
  6616  		}
  6617  		v.reset(Op386MOVLconst)
  6618  		v.AuxInt = int32ToAuxInt(1)
  6619  		return true
  6620  	}
  6621  	// match: (SETBE (FlagLT_ULT))
  6622  	// result: (MOVLconst [1])
  6623  	for {
  6624  		if v_0.Op != Op386FlagLT_ULT {
  6625  			break
  6626  		}
  6627  		v.reset(Op386MOVLconst)
  6628  		v.AuxInt = int32ToAuxInt(1)
  6629  		return true
  6630  	}
  6631  	// match: (SETBE (FlagLT_UGT))
  6632  	// result: (MOVLconst [0])
  6633  	for {
  6634  		if v_0.Op != Op386FlagLT_UGT {
  6635  			break
  6636  		}
  6637  		v.reset(Op386MOVLconst)
  6638  		v.AuxInt = int32ToAuxInt(0)
  6639  		return true
  6640  	}
  6641  	// match: (SETBE (FlagGT_ULT))
  6642  	// result: (MOVLconst [1])
  6643  	for {
  6644  		if v_0.Op != Op386FlagGT_ULT {
  6645  			break
  6646  		}
  6647  		v.reset(Op386MOVLconst)
  6648  		v.AuxInt = int32ToAuxInt(1)
  6649  		return true
  6650  	}
  6651  	// match: (SETBE (FlagGT_UGT))
  6652  	// result: (MOVLconst [0])
  6653  	for {
  6654  		if v_0.Op != Op386FlagGT_UGT {
  6655  			break
  6656  		}
  6657  		v.reset(Op386MOVLconst)
  6658  		v.AuxInt = int32ToAuxInt(0)
  6659  		return true
  6660  	}
  6661  	return false
  6662  }
  6663  func rewriteValue386_Op386SETEQ(v *Value) bool {
  6664  	v_0 := v.Args[0]
  6665  	// match: (SETEQ (InvertFlags x))
  6666  	// result: (SETEQ x)
  6667  	for {
  6668  		if v_0.Op != Op386InvertFlags {
  6669  			break
  6670  		}
  6671  		x := v_0.Args[0]
  6672  		v.reset(Op386SETEQ)
  6673  		v.AddArg(x)
  6674  		return true
  6675  	}
  6676  	// match: (SETEQ (FlagEQ))
  6677  	// result: (MOVLconst [1])
  6678  	for {
  6679  		if v_0.Op != Op386FlagEQ {
  6680  			break
  6681  		}
  6682  		v.reset(Op386MOVLconst)
  6683  		v.AuxInt = int32ToAuxInt(1)
  6684  		return true
  6685  	}
  6686  	// match: (SETEQ (FlagLT_ULT))
  6687  	// result: (MOVLconst [0])
  6688  	for {
  6689  		if v_0.Op != Op386FlagLT_ULT {
  6690  			break
  6691  		}
  6692  		v.reset(Op386MOVLconst)
  6693  		v.AuxInt = int32ToAuxInt(0)
  6694  		return true
  6695  	}
  6696  	// match: (SETEQ (FlagLT_UGT))
  6697  	// result: (MOVLconst [0])
  6698  	for {
  6699  		if v_0.Op != Op386FlagLT_UGT {
  6700  			break
  6701  		}
  6702  		v.reset(Op386MOVLconst)
  6703  		v.AuxInt = int32ToAuxInt(0)
  6704  		return true
  6705  	}
  6706  	// match: (SETEQ (FlagGT_ULT))
  6707  	// result: (MOVLconst [0])
  6708  	for {
  6709  		if v_0.Op != Op386FlagGT_ULT {
  6710  			break
  6711  		}
  6712  		v.reset(Op386MOVLconst)
  6713  		v.AuxInt = int32ToAuxInt(0)
  6714  		return true
  6715  	}
  6716  	// match: (SETEQ (FlagGT_UGT))
  6717  	// result: (MOVLconst [0])
  6718  	for {
  6719  		if v_0.Op != Op386FlagGT_UGT {
  6720  			break
  6721  		}
  6722  		v.reset(Op386MOVLconst)
  6723  		v.AuxInt = int32ToAuxInt(0)
  6724  		return true
  6725  	}
  6726  	return false
  6727  }
  6728  func rewriteValue386_Op386SETG(v *Value) bool {
  6729  	v_0 := v.Args[0]
  6730  	// match: (SETG (InvertFlags x))
  6731  	// result: (SETL x)
  6732  	for {
  6733  		if v_0.Op != Op386InvertFlags {
  6734  			break
  6735  		}
  6736  		x := v_0.Args[0]
  6737  		v.reset(Op386SETL)
  6738  		v.AddArg(x)
  6739  		return true
  6740  	}
  6741  	// match: (SETG (FlagEQ))
  6742  	// result: (MOVLconst [0])
  6743  	for {
  6744  		if v_0.Op != Op386FlagEQ {
  6745  			break
  6746  		}
  6747  		v.reset(Op386MOVLconst)
  6748  		v.AuxInt = int32ToAuxInt(0)
  6749  		return true
  6750  	}
  6751  	// match: (SETG (FlagLT_ULT))
  6752  	// result: (MOVLconst [0])
  6753  	for {
  6754  		if v_0.Op != Op386FlagLT_ULT {
  6755  			break
  6756  		}
  6757  		v.reset(Op386MOVLconst)
  6758  		v.AuxInt = int32ToAuxInt(0)
  6759  		return true
  6760  	}
  6761  	// match: (SETG (FlagLT_UGT))
  6762  	// result: (MOVLconst [0])
  6763  	for {
  6764  		if v_0.Op != Op386FlagLT_UGT {
  6765  			break
  6766  		}
  6767  		v.reset(Op386MOVLconst)
  6768  		v.AuxInt = int32ToAuxInt(0)
  6769  		return true
  6770  	}
  6771  	// match: (SETG (FlagGT_ULT))
  6772  	// result: (MOVLconst [1])
  6773  	for {
  6774  		if v_0.Op != Op386FlagGT_ULT {
  6775  			break
  6776  		}
  6777  		v.reset(Op386MOVLconst)
  6778  		v.AuxInt = int32ToAuxInt(1)
  6779  		return true
  6780  	}
  6781  	// match: (SETG (FlagGT_UGT))
  6782  	// result: (MOVLconst [1])
  6783  	for {
  6784  		if v_0.Op != Op386FlagGT_UGT {
  6785  			break
  6786  		}
  6787  		v.reset(Op386MOVLconst)
  6788  		v.AuxInt = int32ToAuxInt(1)
  6789  		return true
  6790  	}
  6791  	return false
  6792  }
  6793  func rewriteValue386_Op386SETGE(v *Value) bool {
  6794  	v_0 := v.Args[0]
  6795  	// match: (SETGE (InvertFlags x))
  6796  	// result: (SETLE x)
  6797  	for {
  6798  		if v_0.Op != Op386InvertFlags {
  6799  			break
  6800  		}
  6801  		x := v_0.Args[0]
  6802  		v.reset(Op386SETLE)
  6803  		v.AddArg(x)
  6804  		return true
  6805  	}
  6806  	// match: (SETGE (FlagEQ))
  6807  	// result: (MOVLconst [1])
  6808  	for {
  6809  		if v_0.Op != Op386FlagEQ {
  6810  			break
  6811  		}
  6812  		v.reset(Op386MOVLconst)
  6813  		v.AuxInt = int32ToAuxInt(1)
  6814  		return true
  6815  	}
  6816  	// match: (SETGE (FlagLT_ULT))
  6817  	// result: (MOVLconst [0])
  6818  	for {
  6819  		if v_0.Op != Op386FlagLT_ULT {
  6820  			break
  6821  		}
  6822  		v.reset(Op386MOVLconst)
  6823  		v.AuxInt = int32ToAuxInt(0)
  6824  		return true
  6825  	}
  6826  	// match: (SETGE (FlagLT_UGT))
  6827  	// result: (MOVLconst [0])
  6828  	for {
  6829  		if v_0.Op != Op386FlagLT_UGT {
  6830  			break
  6831  		}
  6832  		v.reset(Op386MOVLconst)
  6833  		v.AuxInt = int32ToAuxInt(0)
  6834  		return true
  6835  	}
  6836  	// match: (SETGE (FlagGT_ULT))
  6837  	// result: (MOVLconst [1])
  6838  	for {
  6839  		if v_0.Op != Op386FlagGT_ULT {
  6840  			break
  6841  		}
  6842  		v.reset(Op386MOVLconst)
  6843  		v.AuxInt = int32ToAuxInt(1)
  6844  		return true
  6845  	}
  6846  	// match: (SETGE (FlagGT_UGT))
  6847  	// result: (MOVLconst [1])
  6848  	for {
  6849  		if v_0.Op != Op386FlagGT_UGT {
  6850  			break
  6851  		}
  6852  		v.reset(Op386MOVLconst)
  6853  		v.AuxInt = int32ToAuxInt(1)
  6854  		return true
  6855  	}
  6856  	return false
  6857  }
  6858  func rewriteValue386_Op386SETL(v *Value) bool {
  6859  	v_0 := v.Args[0]
  6860  	// match: (SETL (InvertFlags x))
  6861  	// result: (SETG x)
  6862  	for {
  6863  		if v_0.Op != Op386InvertFlags {
  6864  			break
  6865  		}
  6866  		x := v_0.Args[0]
  6867  		v.reset(Op386SETG)
  6868  		v.AddArg(x)
  6869  		return true
  6870  	}
  6871  	// match: (SETL (FlagEQ))
  6872  	// result: (MOVLconst [0])
  6873  	for {
  6874  		if v_0.Op != Op386FlagEQ {
  6875  			break
  6876  		}
  6877  		v.reset(Op386MOVLconst)
  6878  		v.AuxInt = int32ToAuxInt(0)
  6879  		return true
  6880  	}
  6881  	// match: (SETL (FlagLT_ULT))
  6882  	// result: (MOVLconst [1])
  6883  	for {
  6884  		if v_0.Op != Op386FlagLT_ULT {
  6885  			break
  6886  		}
  6887  		v.reset(Op386MOVLconst)
  6888  		v.AuxInt = int32ToAuxInt(1)
  6889  		return true
  6890  	}
  6891  	// match: (SETL (FlagLT_UGT))
  6892  	// result: (MOVLconst [1])
  6893  	for {
  6894  		if v_0.Op != Op386FlagLT_UGT {
  6895  			break
  6896  		}
  6897  		v.reset(Op386MOVLconst)
  6898  		v.AuxInt = int32ToAuxInt(1)
  6899  		return true
  6900  	}
  6901  	// match: (SETL (FlagGT_ULT))
  6902  	// result: (MOVLconst [0])
  6903  	for {
  6904  		if v_0.Op != Op386FlagGT_ULT {
  6905  			break
  6906  		}
  6907  		v.reset(Op386MOVLconst)
  6908  		v.AuxInt = int32ToAuxInt(0)
  6909  		return true
  6910  	}
  6911  	// match: (SETL (FlagGT_UGT))
  6912  	// result: (MOVLconst [0])
  6913  	for {
  6914  		if v_0.Op != Op386FlagGT_UGT {
  6915  			break
  6916  		}
  6917  		v.reset(Op386MOVLconst)
  6918  		v.AuxInt = int32ToAuxInt(0)
  6919  		return true
  6920  	}
  6921  	return false
  6922  }
  6923  func rewriteValue386_Op386SETLE(v *Value) bool {
  6924  	v_0 := v.Args[0]
  6925  	// match: (SETLE (InvertFlags x))
  6926  	// result: (SETGE x)
  6927  	for {
  6928  		if v_0.Op != Op386InvertFlags {
  6929  			break
  6930  		}
  6931  		x := v_0.Args[0]
  6932  		v.reset(Op386SETGE)
  6933  		v.AddArg(x)
  6934  		return true
  6935  	}
  6936  	// match: (SETLE (FlagEQ))
  6937  	// result: (MOVLconst [1])
  6938  	for {
  6939  		if v_0.Op != Op386FlagEQ {
  6940  			break
  6941  		}
  6942  		v.reset(Op386MOVLconst)
  6943  		v.AuxInt = int32ToAuxInt(1)
  6944  		return true
  6945  	}
  6946  	// match: (SETLE (FlagLT_ULT))
  6947  	// result: (MOVLconst [1])
  6948  	for {
  6949  		if v_0.Op != Op386FlagLT_ULT {
  6950  			break
  6951  		}
  6952  		v.reset(Op386MOVLconst)
  6953  		v.AuxInt = int32ToAuxInt(1)
  6954  		return true
  6955  	}
  6956  	// match: (SETLE (FlagLT_UGT))
  6957  	// result: (MOVLconst [1])
  6958  	for {
  6959  		if v_0.Op != Op386FlagLT_UGT {
  6960  			break
  6961  		}
  6962  		v.reset(Op386MOVLconst)
  6963  		v.AuxInt = int32ToAuxInt(1)
  6964  		return true
  6965  	}
  6966  	// match: (SETLE (FlagGT_ULT))
  6967  	// result: (MOVLconst [0])
  6968  	for {
  6969  		if v_0.Op != Op386FlagGT_ULT {
  6970  			break
  6971  		}
  6972  		v.reset(Op386MOVLconst)
  6973  		v.AuxInt = int32ToAuxInt(0)
  6974  		return true
  6975  	}
  6976  	// match: (SETLE (FlagGT_UGT))
  6977  	// result: (MOVLconst [0])
  6978  	for {
  6979  		if v_0.Op != Op386FlagGT_UGT {
  6980  			break
  6981  		}
  6982  		v.reset(Op386MOVLconst)
  6983  		v.AuxInt = int32ToAuxInt(0)
  6984  		return true
  6985  	}
  6986  	return false
  6987  }
  6988  func rewriteValue386_Op386SETNE(v *Value) bool {
  6989  	v_0 := v.Args[0]
  6990  	// match: (SETNE (InvertFlags x))
  6991  	// result: (SETNE x)
  6992  	for {
  6993  		if v_0.Op != Op386InvertFlags {
  6994  			break
  6995  		}
  6996  		x := v_0.Args[0]
  6997  		v.reset(Op386SETNE)
  6998  		v.AddArg(x)
  6999  		return true
  7000  	}
  7001  	// match: (SETNE (FlagEQ))
  7002  	// result: (MOVLconst [0])
  7003  	for {
  7004  		if v_0.Op != Op386FlagEQ {
  7005  			break
  7006  		}
  7007  		v.reset(Op386MOVLconst)
  7008  		v.AuxInt = int32ToAuxInt(0)
  7009  		return true
  7010  	}
  7011  	// match: (SETNE (FlagLT_ULT))
  7012  	// result: (MOVLconst [1])
  7013  	for {
  7014  		if v_0.Op != Op386FlagLT_ULT {
  7015  			break
  7016  		}
  7017  		v.reset(Op386MOVLconst)
  7018  		v.AuxInt = int32ToAuxInt(1)
  7019  		return true
  7020  	}
  7021  	// match: (SETNE (FlagLT_UGT))
  7022  	// result: (MOVLconst [1])
  7023  	for {
  7024  		if v_0.Op != Op386FlagLT_UGT {
  7025  			break
  7026  		}
  7027  		v.reset(Op386MOVLconst)
  7028  		v.AuxInt = int32ToAuxInt(1)
  7029  		return true
  7030  	}
  7031  	// match: (SETNE (FlagGT_ULT))
  7032  	// result: (MOVLconst [1])
  7033  	for {
  7034  		if v_0.Op != Op386FlagGT_ULT {
  7035  			break
  7036  		}
  7037  		v.reset(Op386MOVLconst)
  7038  		v.AuxInt = int32ToAuxInt(1)
  7039  		return true
  7040  	}
  7041  	// match: (SETNE (FlagGT_UGT))
  7042  	// result: (MOVLconst [1])
  7043  	for {
  7044  		if v_0.Op != Op386FlagGT_UGT {
  7045  			break
  7046  		}
  7047  		v.reset(Op386MOVLconst)
  7048  		v.AuxInt = int32ToAuxInt(1)
  7049  		return true
  7050  	}
  7051  	return false
  7052  }
  7053  func rewriteValue386_Op386SHLL(v *Value) bool {
  7054  	v_1 := v.Args[1]
  7055  	v_0 := v.Args[0]
  7056  	// match: (SHLL x (MOVLconst [c]))
  7057  	// result: (SHLLconst [c&31] x)
  7058  	for {
  7059  		x := v_0
  7060  		if v_1.Op != Op386MOVLconst {
  7061  			break
  7062  		}
  7063  		c := auxIntToInt32(v_1.AuxInt)
  7064  		v.reset(Op386SHLLconst)
  7065  		v.AuxInt = int32ToAuxInt(c & 31)
  7066  		v.AddArg(x)
  7067  		return true
  7068  	}
  7069  	// match: (SHLL x (ANDLconst [31] y))
  7070  	// result: (SHLL x y)
  7071  	for {
  7072  		x := v_0
  7073  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  7074  			break
  7075  		}
  7076  		y := v_1.Args[0]
  7077  		v.reset(Op386SHLL)
  7078  		v.AddArg2(x, y)
  7079  		return true
  7080  	}
  7081  	return false
  7082  }
  7083  func rewriteValue386_Op386SHLLconst(v *Value) bool {
  7084  	v_0 := v.Args[0]
  7085  	// match: (SHLLconst x [0])
  7086  	// result: x
  7087  	for {
  7088  		if auxIntToInt32(v.AuxInt) != 0 {
  7089  			break
  7090  		}
  7091  		x := v_0
  7092  		v.copyOf(x)
  7093  		return true
  7094  	}
  7095  	return false
  7096  }
  7097  func rewriteValue386_Op386SHRB(v *Value) bool {
  7098  	v_1 := v.Args[1]
  7099  	v_0 := v.Args[0]
  7100  	// match: (SHRB x (MOVLconst [c]))
  7101  	// cond: c&31 < 8
  7102  	// result: (SHRBconst [int8(c&31)] x)
  7103  	for {
  7104  		x := v_0
  7105  		if v_1.Op != Op386MOVLconst {
  7106  			break
  7107  		}
  7108  		c := auxIntToInt32(v_1.AuxInt)
  7109  		if !(c&31 < 8) {
  7110  			break
  7111  		}
  7112  		v.reset(Op386SHRBconst)
  7113  		v.AuxInt = int8ToAuxInt(int8(c & 31))
  7114  		v.AddArg(x)
  7115  		return true
  7116  	}
  7117  	// match: (SHRB _ (MOVLconst [c]))
  7118  	// cond: c&31 >= 8
  7119  	// result: (MOVLconst [0])
  7120  	for {
  7121  		if v_1.Op != Op386MOVLconst {
  7122  			break
  7123  		}
  7124  		c := auxIntToInt32(v_1.AuxInt)
  7125  		if !(c&31 >= 8) {
  7126  			break
  7127  		}
  7128  		v.reset(Op386MOVLconst)
  7129  		v.AuxInt = int32ToAuxInt(0)
  7130  		return true
  7131  	}
  7132  	return false
  7133  }
  7134  func rewriteValue386_Op386SHRBconst(v *Value) bool {
  7135  	v_0 := v.Args[0]
  7136  	// match: (SHRBconst x [0])
  7137  	// result: x
  7138  	for {
  7139  		if auxIntToInt8(v.AuxInt) != 0 {
  7140  			break
  7141  		}
  7142  		x := v_0
  7143  		v.copyOf(x)
  7144  		return true
  7145  	}
  7146  	return false
  7147  }
  7148  func rewriteValue386_Op386SHRL(v *Value) bool {
  7149  	v_1 := v.Args[1]
  7150  	v_0 := v.Args[0]
  7151  	// match: (SHRL x (MOVLconst [c]))
  7152  	// result: (SHRLconst [c&31] x)
  7153  	for {
  7154  		x := v_0
  7155  		if v_1.Op != Op386MOVLconst {
  7156  			break
  7157  		}
  7158  		c := auxIntToInt32(v_1.AuxInt)
  7159  		v.reset(Op386SHRLconst)
  7160  		v.AuxInt = int32ToAuxInt(c & 31)
  7161  		v.AddArg(x)
  7162  		return true
  7163  	}
  7164  	// match: (SHRL x (ANDLconst [31] y))
  7165  	// result: (SHRL x y)
  7166  	for {
  7167  		x := v_0
  7168  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  7169  			break
  7170  		}
  7171  		y := v_1.Args[0]
  7172  		v.reset(Op386SHRL)
  7173  		v.AddArg2(x, y)
  7174  		return true
  7175  	}
  7176  	return false
  7177  }
  7178  func rewriteValue386_Op386SHRLconst(v *Value) bool {
  7179  	v_0 := v.Args[0]
  7180  	// match: (SHRLconst x [0])
  7181  	// result: x
  7182  	for {
  7183  		if auxIntToInt32(v.AuxInt) != 0 {
  7184  			break
  7185  		}
  7186  		x := v_0
  7187  		v.copyOf(x)
  7188  		return true
  7189  	}
  7190  	return false
  7191  }
  7192  func rewriteValue386_Op386SHRW(v *Value) bool {
  7193  	v_1 := v.Args[1]
  7194  	v_0 := v.Args[0]
  7195  	// match: (SHRW x (MOVLconst [c]))
  7196  	// cond: c&31 < 16
  7197  	// result: (SHRWconst [int16(c&31)] x)
  7198  	for {
  7199  		x := v_0
  7200  		if v_1.Op != Op386MOVLconst {
  7201  			break
  7202  		}
  7203  		c := auxIntToInt32(v_1.AuxInt)
  7204  		if !(c&31 < 16) {
  7205  			break
  7206  		}
  7207  		v.reset(Op386SHRWconst)
  7208  		v.AuxInt = int16ToAuxInt(int16(c & 31))
  7209  		v.AddArg(x)
  7210  		return true
  7211  	}
  7212  	// match: (SHRW _ (MOVLconst [c]))
  7213  	// cond: c&31 >= 16
  7214  	// result: (MOVLconst [0])
  7215  	for {
  7216  		if v_1.Op != Op386MOVLconst {
  7217  			break
  7218  		}
  7219  		c := auxIntToInt32(v_1.AuxInt)
  7220  		if !(c&31 >= 16) {
  7221  			break
  7222  		}
  7223  		v.reset(Op386MOVLconst)
  7224  		v.AuxInt = int32ToAuxInt(0)
  7225  		return true
  7226  	}
  7227  	return false
  7228  }
  7229  func rewriteValue386_Op386SHRWconst(v *Value) bool {
  7230  	v_0 := v.Args[0]
  7231  	// match: (SHRWconst x [0])
  7232  	// result: x
  7233  	for {
  7234  		if auxIntToInt16(v.AuxInt) != 0 {
  7235  			break
  7236  		}
  7237  		x := v_0
  7238  		v.copyOf(x)
  7239  		return true
  7240  	}
  7241  	return false
  7242  }
  7243  func rewriteValue386_Op386SUBL(v *Value) bool {
  7244  	v_1 := v.Args[1]
  7245  	v_0 := v.Args[0]
  7246  	b := v.Block
  7247  	// match: (SUBL x (MOVLconst [c]))
  7248  	// result: (SUBLconst x [c])
  7249  	for {
  7250  		x := v_0
  7251  		if v_1.Op != Op386MOVLconst {
  7252  			break
  7253  		}
  7254  		c := auxIntToInt32(v_1.AuxInt)
  7255  		v.reset(Op386SUBLconst)
  7256  		v.AuxInt = int32ToAuxInt(c)
  7257  		v.AddArg(x)
  7258  		return true
  7259  	}
  7260  	// match: (SUBL (MOVLconst [c]) x)
  7261  	// result: (NEGL (SUBLconst <v.Type> x [c]))
  7262  	for {
  7263  		if v_0.Op != Op386MOVLconst {
  7264  			break
  7265  		}
  7266  		c := auxIntToInt32(v_0.AuxInt)
  7267  		x := v_1
  7268  		v.reset(Op386NEGL)
  7269  		v0 := b.NewValue0(v.Pos, Op386SUBLconst, v.Type)
  7270  		v0.AuxInt = int32ToAuxInt(c)
  7271  		v0.AddArg(x)
  7272  		v.AddArg(v0)
  7273  		return true
  7274  	}
  7275  	// match: (SUBL x l:(MOVLload [off] {sym} ptr mem))
  7276  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7277  	// result: (SUBLload x [off] {sym} ptr mem)
  7278  	for {
  7279  		x := v_0
  7280  		l := v_1
  7281  		if l.Op != Op386MOVLload {
  7282  			break
  7283  		}
  7284  		off := auxIntToInt32(l.AuxInt)
  7285  		sym := auxToSym(l.Aux)
  7286  		mem := l.Args[1]
  7287  		ptr := l.Args[0]
  7288  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7289  			break
  7290  		}
  7291  		v.reset(Op386SUBLload)
  7292  		v.AuxInt = int32ToAuxInt(off)
  7293  		v.Aux = symToAux(sym)
  7294  		v.AddArg3(x, ptr, mem)
  7295  		return true
  7296  	}
  7297  	// match: (SUBL x x)
  7298  	// result: (MOVLconst [0])
  7299  	for {
  7300  		x := v_0
  7301  		if x != v_1 {
  7302  			break
  7303  		}
  7304  		v.reset(Op386MOVLconst)
  7305  		v.AuxInt = int32ToAuxInt(0)
  7306  		return true
  7307  	}
  7308  	return false
  7309  }
  7310  func rewriteValue386_Op386SUBLcarry(v *Value) bool {
  7311  	v_1 := v.Args[1]
  7312  	v_0 := v.Args[0]
  7313  	// match: (SUBLcarry x (MOVLconst [c]))
  7314  	// result: (SUBLconstcarry [c] x)
  7315  	for {
  7316  		x := v_0
  7317  		if v_1.Op != Op386MOVLconst {
  7318  			break
  7319  		}
  7320  		c := auxIntToInt32(v_1.AuxInt)
  7321  		v.reset(Op386SUBLconstcarry)
  7322  		v.AuxInt = int32ToAuxInt(c)
  7323  		v.AddArg(x)
  7324  		return true
  7325  	}
  7326  	return false
  7327  }
  7328  func rewriteValue386_Op386SUBLconst(v *Value) bool {
  7329  	v_0 := v.Args[0]
  7330  	// match: (SUBLconst [c] x)
  7331  	// cond: c==0
  7332  	// result: x
  7333  	for {
  7334  		c := auxIntToInt32(v.AuxInt)
  7335  		x := v_0
  7336  		if !(c == 0) {
  7337  			break
  7338  		}
  7339  		v.copyOf(x)
  7340  		return true
  7341  	}
  7342  	// match: (SUBLconst [c] x)
  7343  	// result: (ADDLconst [-c] x)
  7344  	for {
  7345  		c := auxIntToInt32(v.AuxInt)
  7346  		x := v_0
  7347  		v.reset(Op386ADDLconst)
  7348  		v.AuxInt = int32ToAuxInt(-c)
  7349  		v.AddArg(x)
  7350  		return true
  7351  	}
  7352  }
  7353  func rewriteValue386_Op386SUBLload(v *Value) bool {
  7354  	v_2 := v.Args[2]
  7355  	v_1 := v.Args[1]
  7356  	v_0 := v.Args[0]
  7357  	b := v.Block
  7358  	config := b.Func.Config
  7359  	// match: (SUBLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7360  	// cond: is32Bit(int64(off1)+int64(off2))
  7361  	// result: (SUBLload [off1+off2] {sym} val base mem)
  7362  	for {
  7363  		off1 := auxIntToInt32(v.AuxInt)
  7364  		sym := auxToSym(v.Aux)
  7365  		val := v_0
  7366  		if v_1.Op != Op386ADDLconst {
  7367  			break
  7368  		}
  7369  		off2 := auxIntToInt32(v_1.AuxInt)
  7370  		base := v_1.Args[0]
  7371  		mem := v_2
  7372  		if !(is32Bit(int64(off1) + int64(off2))) {
  7373  			break
  7374  		}
  7375  		v.reset(Op386SUBLload)
  7376  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7377  		v.Aux = symToAux(sym)
  7378  		v.AddArg3(val, base, mem)
  7379  		return true
  7380  	}
  7381  	// match: (SUBLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7382  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7383  	// result: (SUBLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7384  	for {
  7385  		off1 := auxIntToInt32(v.AuxInt)
  7386  		sym1 := auxToSym(v.Aux)
  7387  		val := v_0
  7388  		if v_1.Op != Op386LEAL {
  7389  			break
  7390  		}
  7391  		off2 := auxIntToInt32(v_1.AuxInt)
  7392  		sym2 := auxToSym(v_1.Aux)
  7393  		base := v_1.Args[0]
  7394  		mem := v_2
  7395  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7396  			break
  7397  		}
  7398  		v.reset(Op386SUBLload)
  7399  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7400  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7401  		v.AddArg3(val, base, mem)
  7402  		return true
  7403  	}
  7404  	return false
  7405  }
  7406  func rewriteValue386_Op386SUBLmodify(v *Value) bool {
  7407  	v_2 := v.Args[2]
  7408  	v_1 := v.Args[1]
  7409  	v_0 := v.Args[0]
  7410  	b := v.Block
  7411  	config := b.Func.Config
  7412  	// match: (SUBLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7413  	// cond: is32Bit(int64(off1)+int64(off2))
  7414  	// result: (SUBLmodify [off1+off2] {sym} base val mem)
  7415  	for {
  7416  		off1 := auxIntToInt32(v.AuxInt)
  7417  		sym := auxToSym(v.Aux)
  7418  		if v_0.Op != Op386ADDLconst {
  7419  			break
  7420  		}
  7421  		off2 := auxIntToInt32(v_0.AuxInt)
  7422  		base := v_0.Args[0]
  7423  		val := v_1
  7424  		mem := v_2
  7425  		if !(is32Bit(int64(off1) + int64(off2))) {
  7426  			break
  7427  		}
  7428  		v.reset(Op386SUBLmodify)
  7429  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7430  		v.Aux = symToAux(sym)
  7431  		v.AddArg3(base, val, mem)
  7432  		return true
  7433  	}
  7434  	// match: (SUBLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  7435  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7436  	// result: (SUBLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7437  	for {
  7438  		off1 := auxIntToInt32(v.AuxInt)
  7439  		sym1 := auxToSym(v.Aux)
  7440  		if v_0.Op != Op386LEAL {
  7441  			break
  7442  		}
  7443  		off2 := auxIntToInt32(v_0.AuxInt)
  7444  		sym2 := auxToSym(v_0.Aux)
  7445  		base := v_0.Args[0]
  7446  		val := v_1
  7447  		mem := v_2
  7448  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7449  			break
  7450  		}
  7451  		v.reset(Op386SUBLmodify)
  7452  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7453  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7454  		v.AddArg3(base, val, mem)
  7455  		return true
  7456  	}
  7457  	return false
  7458  }
  7459  func rewriteValue386_Op386SUBSD(v *Value) bool {
  7460  	v_1 := v.Args[1]
  7461  	v_0 := v.Args[0]
  7462  	// match: (SUBSD x l:(MOVSDload [off] {sym} ptr mem))
  7463  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7464  	// result: (SUBSDload x [off] {sym} ptr mem)
  7465  	for {
  7466  		x := v_0
  7467  		l := v_1
  7468  		if l.Op != Op386MOVSDload {
  7469  			break
  7470  		}
  7471  		off := auxIntToInt32(l.AuxInt)
  7472  		sym := auxToSym(l.Aux)
  7473  		mem := l.Args[1]
  7474  		ptr := l.Args[0]
  7475  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7476  			break
  7477  		}
  7478  		v.reset(Op386SUBSDload)
  7479  		v.AuxInt = int32ToAuxInt(off)
  7480  		v.Aux = symToAux(sym)
  7481  		v.AddArg3(x, ptr, mem)
  7482  		return true
  7483  	}
  7484  	return false
  7485  }
  7486  func rewriteValue386_Op386SUBSDload(v *Value) bool {
  7487  	v_2 := v.Args[2]
  7488  	v_1 := v.Args[1]
  7489  	v_0 := v.Args[0]
  7490  	b := v.Block
  7491  	config := b.Func.Config
  7492  	// match: (SUBSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  7493  	// cond: is32Bit(int64(off1)+int64(off2))
  7494  	// result: (SUBSDload [off1+off2] {sym} val base mem)
  7495  	for {
  7496  		off1 := auxIntToInt32(v.AuxInt)
  7497  		sym := auxToSym(v.Aux)
  7498  		val := v_0
  7499  		if v_1.Op != Op386ADDLconst {
  7500  			break
  7501  		}
  7502  		off2 := auxIntToInt32(v_1.AuxInt)
  7503  		base := v_1.Args[0]
  7504  		mem := v_2
  7505  		if !(is32Bit(int64(off1) + int64(off2))) {
  7506  			break
  7507  		}
  7508  		v.reset(Op386SUBSDload)
  7509  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7510  		v.Aux = symToAux(sym)
  7511  		v.AddArg3(val, base, mem)
  7512  		return true
  7513  	}
  7514  	// match: (SUBSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7515  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7516  	// result: (SUBSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7517  	for {
  7518  		off1 := auxIntToInt32(v.AuxInt)
  7519  		sym1 := auxToSym(v.Aux)
  7520  		val := v_0
  7521  		if v_1.Op != Op386LEAL {
  7522  			break
  7523  		}
  7524  		off2 := auxIntToInt32(v_1.AuxInt)
  7525  		sym2 := auxToSym(v_1.Aux)
  7526  		base := v_1.Args[0]
  7527  		mem := v_2
  7528  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7529  			break
  7530  		}
  7531  		v.reset(Op386SUBSDload)
  7532  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7533  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7534  		v.AddArg3(val, base, mem)
  7535  		return true
  7536  	}
  7537  	return false
  7538  }
  7539  func rewriteValue386_Op386SUBSS(v *Value) bool {
  7540  	v_1 := v.Args[1]
  7541  	v_0 := v.Args[0]
  7542  	// match: (SUBSS x l:(MOVSSload [off] {sym} ptr mem))
  7543  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7544  	// result: (SUBSSload x [off] {sym} ptr mem)
  7545  	for {
  7546  		x := v_0
  7547  		l := v_1
  7548  		if l.Op != Op386MOVSSload {
  7549  			break
  7550  		}
  7551  		off := auxIntToInt32(l.AuxInt)
  7552  		sym := auxToSym(l.Aux)
  7553  		mem := l.Args[1]
  7554  		ptr := l.Args[0]
  7555  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7556  			break
  7557  		}
  7558  		v.reset(Op386SUBSSload)
  7559  		v.AuxInt = int32ToAuxInt(off)
  7560  		v.Aux = symToAux(sym)
  7561  		v.AddArg3(x, ptr, mem)
  7562  		return true
  7563  	}
  7564  	return false
  7565  }
  7566  func rewriteValue386_Op386SUBSSload(v *Value) bool {
  7567  	v_2 := v.Args[2]
  7568  	v_1 := v.Args[1]
  7569  	v_0 := v.Args[0]
  7570  	b := v.Block
  7571  	config := b.Func.Config
  7572  	// match: (SUBSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  7573  	// cond: is32Bit(int64(off1)+int64(off2))
  7574  	// result: (SUBSSload [off1+off2] {sym} val base mem)
  7575  	for {
  7576  		off1 := auxIntToInt32(v.AuxInt)
  7577  		sym := auxToSym(v.Aux)
  7578  		val := v_0
  7579  		if v_1.Op != Op386ADDLconst {
  7580  			break
  7581  		}
  7582  		off2 := auxIntToInt32(v_1.AuxInt)
  7583  		base := v_1.Args[0]
  7584  		mem := v_2
  7585  		if !(is32Bit(int64(off1) + int64(off2))) {
  7586  			break
  7587  		}
  7588  		v.reset(Op386SUBSSload)
  7589  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7590  		v.Aux = symToAux(sym)
  7591  		v.AddArg3(val, base, mem)
  7592  		return true
  7593  	}
  7594  	// match: (SUBSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7595  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7596  	// result: (SUBSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7597  	for {
  7598  		off1 := auxIntToInt32(v.AuxInt)
  7599  		sym1 := auxToSym(v.Aux)
  7600  		val := v_0
  7601  		if v_1.Op != Op386LEAL {
  7602  			break
  7603  		}
  7604  		off2 := auxIntToInt32(v_1.AuxInt)
  7605  		sym2 := auxToSym(v_1.Aux)
  7606  		base := v_1.Args[0]
  7607  		mem := v_2
  7608  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7609  			break
  7610  		}
  7611  		v.reset(Op386SUBSSload)
  7612  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7613  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7614  		v.AddArg3(val, base, mem)
  7615  		return true
  7616  	}
  7617  	return false
  7618  }
  7619  func rewriteValue386_Op386XORL(v *Value) bool {
  7620  	v_1 := v.Args[1]
  7621  	v_0 := v.Args[0]
  7622  	// match: (XORL x (MOVLconst [c]))
  7623  	// result: (XORLconst [c] x)
  7624  	for {
  7625  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7626  			x := v_0
  7627  			if v_1.Op != Op386MOVLconst {
  7628  				continue
  7629  			}
  7630  			c := auxIntToInt32(v_1.AuxInt)
  7631  			v.reset(Op386XORLconst)
  7632  			v.AuxInt = int32ToAuxInt(c)
  7633  			v.AddArg(x)
  7634  			return true
  7635  		}
  7636  		break
  7637  	}
  7638  	// match: (XORL x l:(MOVLload [off] {sym} ptr mem))
  7639  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7640  	// result: (XORLload x [off] {sym} ptr mem)
  7641  	for {
  7642  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7643  			x := v_0
  7644  			l := v_1
  7645  			if l.Op != Op386MOVLload {
  7646  				continue
  7647  			}
  7648  			off := auxIntToInt32(l.AuxInt)
  7649  			sym := auxToSym(l.Aux)
  7650  			mem := l.Args[1]
  7651  			ptr := l.Args[0]
  7652  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7653  				continue
  7654  			}
  7655  			v.reset(Op386XORLload)
  7656  			v.AuxInt = int32ToAuxInt(off)
  7657  			v.Aux = symToAux(sym)
  7658  			v.AddArg3(x, ptr, mem)
  7659  			return true
  7660  		}
  7661  		break
  7662  	}
  7663  	// match: (XORL x x)
  7664  	// result: (MOVLconst [0])
  7665  	for {
  7666  		x := v_0
  7667  		if x != v_1 {
  7668  			break
  7669  		}
  7670  		v.reset(Op386MOVLconst)
  7671  		v.AuxInt = int32ToAuxInt(0)
  7672  		return true
  7673  	}
  7674  	return false
  7675  }
  7676  func rewriteValue386_Op386XORLconst(v *Value) bool {
  7677  	v_0 := v.Args[0]
  7678  	// match: (XORLconst [c] (XORLconst [d] x))
  7679  	// result: (XORLconst [c ^ d] x)
  7680  	for {
  7681  		c := auxIntToInt32(v.AuxInt)
  7682  		if v_0.Op != Op386XORLconst {
  7683  			break
  7684  		}
  7685  		d := auxIntToInt32(v_0.AuxInt)
  7686  		x := v_0.Args[0]
  7687  		v.reset(Op386XORLconst)
  7688  		v.AuxInt = int32ToAuxInt(c ^ d)
  7689  		v.AddArg(x)
  7690  		return true
  7691  	}
  7692  	// match: (XORLconst [c] x)
  7693  	// cond: c==0
  7694  	// result: x
  7695  	for {
  7696  		c := auxIntToInt32(v.AuxInt)
  7697  		x := v_0
  7698  		if !(c == 0) {
  7699  			break
  7700  		}
  7701  		v.copyOf(x)
  7702  		return true
  7703  	}
  7704  	// match: (XORLconst [c] (MOVLconst [d]))
  7705  	// result: (MOVLconst [c^d])
  7706  	for {
  7707  		c := auxIntToInt32(v.AuxInt)
  7708  		if v_0.Op != Op386MOVLconst {
  7709  			break
  7710  		}
  7711  		d := auxIntToInt32(v_0.AuxInt)
  7712  		v.reset(Op386MOVLconst)
  7713  		v.AuxInt = int32ToAuxInt(c ^ d)
  7714  		return true
  7715  	}
  7716  	return false
  7717  }
  7718  func rewriteValue386_Op386XORLconstmodify(v *Value) bool {
  7719  	v_1 := v.Args[1]
  7720  	v_0 := v.Args[0]
  7721  	b := v.Block
  7722  	config := b.Func.Config
  7723  	// match: (XORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  7724  	// cond: valoff1.canAdd32(off2)
  7725  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  7726  	for {
  7727  		valoff1 := auxIntToValAndOff(v.AuxInt)
  7728  		sym := auxToSym(v.Aux)
  7729  		if v_0.Op != Op386ADDLconst {
  7730  			break
  7731  		}
  7732  		off2 := auxIntToInt32(v_0.AuxInt)
  7733  		base := v_0.Args[0]
  7734  		mem := v_1
  7735  		if !(valoff1.canAdd32(off2)) {
  7736  			break
  7737  		}
  7738  		v.reset(Op386XORLconstmodify)
  7739  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  7740  		v.Aux = symToAux(sym)
  7741  		v.AddArg2(base, mem)
  7742  		return true
  7743  	}
  7744  	// match: (XORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  7745  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7746  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  7747  	for {
  7748  		valoff1 := auxIntToValAndOff(v.AuxInt)
  7749  		sym1 := auxToSym(v.Aux)
  7750  		if v_0.Op != Op386LEAL {
  7751  			break
  7752  		}
  7753  		off2 := auxIntToInt32(v_0.AuxInt)
  7754  		sym2 := auxToSym(v_0.Aux)
  7755  		base := v_0.Args[0]
  7756  		mem := v_1
  7757  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7758  			break
  7759  		}
  7760  		v.reset(Op386XORLconstmodify)
  7761  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  7762  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7763  		v.AddArg2(base, mem)
  7764  		return true
  7765  	}
  7766  	return false
  7767  }
  7768  func rewriteValue386_Op386XORLload(v *Value) bool {
  7769  	v_2 := v.Args[2]
  7770  	v_1 := v.Args[1]
  7771  	v_0 := v.Args[0]
  7772  	b := v.Block
  7773  	config := b.Func.Config
  7774  	// match: (XORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7775  	// cond: is32Bit(int64(off1)+int64(off2))
  7776  	// result: (XORLload [off1+off2] {sym} val base mem)
  7777  	for {
  7778  		off1 := auxIntToInt32(v.AuxInt)
  7779  		sym := auxToSym(v.Aux)
  7780  		val := v_0
  7781  		if v_1.Op != Op386ADDLconst {
  7782  			break
  7783  		}
  7784  		off2 := auxIntToInt32(v_1.AuxInt)
  7785  		base := v_1.Args[0]
  7786  		mem := v_2
  7787  		if !(is32Bit(int64(off1) + int64(off2))) {
  7788  			break
  7789  		}
  7790  		v.reset(Op386XORLload)
  7791  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7792  		v.Aux = symToAux(sym)
  7793  		v.AddArg3(val, base, mem)
  7794  		return true
  7795  	}
  7796  	// match: (XORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7797  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7798  	// result: (XORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7799  	for {
  7800  		off1 := auxIntToInt32(v.AuxInt)
  7801  		sym1 := auxToSym(v.Aux)
  7802  		val := v_0
  7803  		if v_1.Op != Op386LEAL {
  7804  			break
  7805  		}
  7806  		off2 := auxIntToInt32(v_1.AuxInt)
  7807  		sym2 := auxToSym(v_1.Aux)
  7808  		base := v_1.Args[0]
  7809  		mem := v_2
  7810  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7811  			break
  7812  		}
  7813  		v.reset(Op386XORLload)
  7814  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7815  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7816  		v.AddArg3(val, base, mem)
  7817  		return true
  7818  	}
  7819  	return false
  7820  }
  7821  func rewriteValue386_Op386XORLmodify(v *Value) bool {
  7822  	v_2 := v.Args[2]
  7823  	v_1 := v.Args[1]
  7824  	v_0 := v.Args[0]
  7825  	b := v.Block
  7826  	config := b.Func.Config
  7827  	// match: (XORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7828  	// cond: is32Bit(int64(off1)+int64(off2))
  7829  	// result: (XORLmodify [off1+off2] {sym} base val mem)
  7830  	for {
  7831  		off1 := auxIntToInt32(v.AuxInt)
  7832  		sym := auxToSym(v.Aux)
  7833  		if v_0.Op != Op386ADDLconst {
  7834  			break
  7835  		}
  7836  		off2 := auxIntToInt32(v_0.AuxInt)
  7837  		base := v_0.Args[0]
  7838  		val := v_1
  7839  		mem := v_2
  7840  		if !(is32Bit(int64(off1) + int64(off2))) {
  7841  			break
  7842  		}
  7843  		v.reset(Op386XORLmodify)
  7844  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7845  		v.Aux = symToAux(sym)
  7846  		v.AddArg3(base, val, mem)
  7847  		return true
  7848  	}
  7849  	// match: (XORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  7850  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7851  	// result: (XORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7852  	for {
  7853  		off1 := auxIntToInt32(v.AuxInt)
  7854  		sym1 := auxToSym(v.Aux)
  7855  		if v_0.Op != Op386LEAL {
  7856  			break
  7857  		}
  7858  		off2 := auxIntToInt32(v_0.AuxInt)
  7859  		sym2 := auxToSym(v_0.Aux)
  7860  		base := v_0.Args[0]
  7861  		val := v_1
  7862  		mem := v_2
  7863  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7864  			break
  7865  		}
  7866  		v.reset(Op386XORLmodify)
  7867  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7868  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7869  		v.AddArg3(base, val, mem)
  7870  		return true
  7871  	}
  7872  	return false
  7873  }
  7874  func rewriteValue386_OpAddr(v *Value) bool {
  7875  	v_0 := v.Args[0]
  7876  	// match: (Addr {sym} base)
  7877  	// result: (LEAL {sym} base)
  7878  	for {
  7879  		sym := auxToSym(v.Aux)
  7880  		base := v_0
  7881  		v.reset(Op386LEAL)
  7882  		v.Aux = symToAux(sym)
  7883  		v.AddArg(base)
  7884  		return true
  7885  	}
  7886  }
  7887  func rewriteValue386_OpBswap16(v *Value) bool {
  7888  	v_0 := v.Args[0]
  7889  	// match: (Bswap16 x)
  7890  	// result: (ROLWconst [8] x)
  7891  	for {
  7892  		x := v_0
  7893  		v.reset(Op386ROLWconst)
  7894  		v.AuxInt = int16ToAuxInt(8)
  7895  		v.AddArg(x)
  7896  		return true
  7897  	}
  7898  }
  7899  func rewriteValue386_OpConst16(v *Value) bool {
  7900  	// match: (Const16 [c])
  7901  	// result: (MOVLconst [int32(c)])
  7902  	for {
  7903  		c := auxIntToInt16(v.AuxInt)
  7904  		v.reset(Op386MOVLconst)
  7905  		v.AuxInt = int32ToAuxInt(int32(c))
  7906  		return true
  7907  	}
  7908  }
  7909  func rewriteValue386_OpConst8(v *Value) bool {
  7910  	// match: (Const8 [c])
  7911  	// result: (MOVLconst [int32(c)])
  7912  	for {
  7913  		c := auxIntToInt8(v.AuxInt)
  7914  		v.reset(Op386MOVLconst)
  7915  		v.AuxInt = int32ToAuxInt(int32(c))
  7916  		return true
  7917  	}
  7918  }
  7919  func rewriteValue386_OpConstBool(v *Value) bool {
  7920  	// match: (ConstBool [c])
  7921  	// result: (MOVLconst [b2i32(c)])
  7922  	for {
  7923  		c := auxIntToBool(v.AuxInt)
  7924  		v.reset(Op386MOVLconst)
  7925  		v.AuxInt = int32ToAuxInt(b2i32(c))
  7926  		return true
  7927  	}
  7928  }
  7929  func rewriteValue386_OpConstNil(v *Value) bool {
  7930  	// match: (ConstNil)
  7931  	// result: (MOVLconst [0])
  7932  	for {
  7933  		v.reset(Op386MOVLconst)
  7934  		v.AuxInt = int32ToAuxInt(0)
  7935  		return true
  7936  	}
  7937  }
  7938  func rewriteValue386_OpCtz16(v *Value) bool {
  7939  	v_0 := v.Args[0]
  7940  	b := v.Block
  7941  	typ := &b.Func.Config.Types
  7942  	// match: (Ctz16 x)
  7943  	// result: (BSFL (ORLconst <typ.UInt32> [0x10000] x))
  7944  	for {
  7945  		x := v_0
  7946  		v.reset(Op386BSFL)
  7947  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  7948  		v0.AuxInt = int32ToAuxInt(0x10000)
  7949  		v0.AddArg(x)
  7950  		v.AddArg(v0)
  7951  		return true
  7952  	}
  7953  }
  7954  func rewriteValue386_OpCtz8(v *Value) bool {
  7955  	v_0 := v.Args[0]
  7956  	b := v.Block
  7957  	typ := &b.Func.Config.Types
  7958  	// match: (Ctz8 x)
  7959  	// result: (BSFL (ORLconst <typ.UInt32> [0x100] x))
  7960  	for {
  7961  		x := v_0
  7962  		v.reset(Op386BSFL)
  7963  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  7964  		v0.AuxInt = int32ToAuxInt(0x100)
  7965  		v0.AddArg(x)
  7966  		v.AddArg(v0)
  7967  		return true
  7968  	}
  7969  }
  7970  func rewriteValue386_OpDiv8(v *Value) bool {
  7971  	v_1 := v.Args[1]
  7972  	v_0 := v.Args[0]
  7973  	b := v.Block
  7974  	typ := &b.Func.Config.Types
  7975  	// match: (Div8 x y)
  7976  	// result: (DIVW (SignExt8to16 x) (SignExt8to16 y))
  7977  	for {
  7978  		x := v_0
  7979  		y := v_1
  7980  		v.reset(Op386DIVW)
  7981  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  7982  		v0.AddArg(x)
  7983  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  7984  		v1.AddArg(y)
  7985  		v.AddArg2(v0, v1)
  7986  		return true
  7987  	}
  7988  }
  7989  func rewriteValue386_OpDiv8u(v *Value) bool {
  7990  	v_1 := v.Args[1]
  7991  	v_0 := v.Args[0]
  7992  	b := v.Block
  7993  	typ := &b.Func.Config.Types
  7994  	// match: (Div8u x y)
  7995  	// result: (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  7996  	for {
  7997  		x := v_0
  7998  		y := v_1
  7999  		v.reset(Op386DIVWU)
  8000  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8001  		v0.AddArg(x)
  8002  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8003  		v1.AddArg(y)
  8004  		v.AddArg2(v0, v1)
  8005  		return true
  8006  	}
  8007  }
  8008  func rewriteValue386_OpEq16(v *Value) bool {
  8009  	v_1 := v.Args[1]
  8010  	v_0 := v.Args[0]
  8011  	b := v.Block
  8012  	// match: (Eq16 x y)
  8013  	// result: (SETEQ (CMPW x y))
  8014  	for {
  8015  		x := v_0
  8016  		y := v_1
  8017  		v.reset(Op386SETEQ)
  8018  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8019  		v0.AddArg2(x, y)
  8020  		v.AddArg(v0)
  8021  		return true
  8022  	}
  8023  }
  8024  func rewriteValue386_OpEq32(v *Value) bool {
  8025  	v_1 := v.Args[1]
  8026  	v_0 := v.Args[0]
  8027  	b := v.Block
  8028  	// match: (Eq32 x y)
  8029  	// result: (SETEQ (CMPL x y))
  8030  	for {
  8031  		x := v_0
  8032  		y := v_1
  8033  		v.reset(Op386SETEQ)
  8034  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8035  		v0.AddArg2(x, y)
  8036  		v.AddArg(v0)
  8037  		return true
  8038  	}
  8039  }
  8040  func rewriteValue386_OpEq32F(v *Value) bool {
  8041  	v_1 := v.Args[1]
  8042  	v_0 := v.Args[0]
  8043  	b := v.Block
  8044  	// match: (Eq32F x y)
  8045  	// result: (SETEQF (UCOMISS x y))
  8046  	for {
  8047  		x := v_0
  8048  		y := v_1
  8049  		v.reset(Op386SETEQF)
  8050  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8051  		v0.AddArg2(x, y)
  8052  		v.AddArg(v0)
  8053  		return true
  8054  	}
  8055  }
  8056  func rewriteValue386_OpEq64F(v *Value) bool {
  8057  	v_1 := v.Args[1]
  8058  	v_0 := v.Args[0]
  8059  	b := v.Block
  8060  	// match: (Eq64F x y)
  8061  	// result: (SETEQF (UCOMISD x y))
  8062  	for {
  8063  		x := v_0
  8064  		y := v_1
  8065  		v.reset(Op386SETEQF)
  8066  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8067  		v0.AddArg2(x, y)
  8068  		v.AddArg(v0)
  8069  		return true
  8070  	}
  8071  }
  8072  func rewriteValue386_OpEq8(v *Value) bool {
  8073  	v_1 := v.Args[1]
  8074  	v_0 := v.Args[0]
  8075  	b := v.Block
  8076  	// match: (Eq8 x y)
  8077  	// result: (SETEQ (CMPB x y))
  8078  	for {
  8079  		x := v_0
  8080  		y := v_1
  8081  		v.reset(Op386SETEQ)
  8082  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8083  		v0.AddArg2(x, y)
  8084  		v.AddArg(v0)
  8085  		return true
  8086  	}
  8087  }
  8088  func rewriteValue386_OpEqB(v *Value) bool {
  8089  	v_1 := v.Args[1]
  8090  	v_0 := v.Args[0]
  8091  	b := v.Block
  8092  	// match: (EqB x y)
  8093  	// result: (SETEQ (CMPB x y))
  8094  	for {
  8095  		x := v_0
  8096  		y := v_1
  8097  		v.reset(Op386SETEQ)
  8098  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8099  		v0.AddArg2(x, y)
  8100  		v.AddArg(v0)
  8101  		return true
  8102  	}
  8103  }
  8104  func rewriteValue386_OpEqPtr(v *Value) bool {
  8105  	v_1 := v.Args[1]
  8106  	v_0 := v.Args[0]
  8107  	b := v.Block
  8108  	// match: (EqPtr x y)
  8109  	// result: (SETEQ (CMPL x y))
  8110  	for {
  8111  		x := v_0
  8112  		y := v_1
  8113  		v.reset(Op386SETEQ)
  8114  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8115  		v0.AddArg2(x, y)
  8116  		v.AddArg(v0)
  8117  		return true
  8118  	}
  8119  }
  8120  func rewriteValue386_OpIsInBounds(v *Value) bool {
  8121  	v_1 := v.Args[1]
  8122  	v_0 := v.Args[0]
  8123  	b := v.Block
  8124  	// match: (IsInBounds idx len)
  8125  	// result: (SETB (CMPL idx len))
  8126  	for {
  8127  		idx := v_0
  8128  		len := v_1
  8129  		v.reset(Op386SETB)
  8130  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8131  		v0.AddArg2(idx, len)
  8132  		v.AddArg(v0)
  8133  		return true
  8134  	}
  8135  }
  8136  func rewriteValue386_OpIsNonNil(v *Value) bool {
  8137  	v_0 := v.Args[0]
  8138  	b := v.Block
  8139  	// match: (IsNonNil p)
  8140  	// result: (SETNE (TESTL p p))
  8141  	for {
  8142  		p := v_0
  8143  		v.reset(Op386SETNE)
  8144  		v0 := b.NewValue0(v.Pos, Op386TESTL, types.TypeFlags)
  8145  		v0.AddArg2(p, p)
  8146  		v.AddArg(v0)
  8147  		return true
  8148  	}
  8149  }
  8150  func rewriteValue386_OpIsSliceInBounds(v *Value) bool {
  8151  	v_1 := v.Args[1]
  8152  	v_0 := v.Args[0]
  8153  	b := v.Block
  8154  	// match: (IsSliceInBounds idx len)
  8155  	// result: (SETBE (CMPL idx len))
  8156  	for {
  8157  		idx := v_0
  8158  		len := v_1
  8159  		v.reset(Op386SETBE)
  8160  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8161  		v0.AddArg2(idx, len)
  8162  		v.AddArg(v0)
  8163  		return true
  8164  	}
  8165  }
  8166  func rewriteValue386_OpLeq16(v *Value) bool {
  8167  	v_1 := v.Args[1]
  8168  	v_0 := v.Args[0]
  8169  	b := v.Block
  8170  	// match: (Leq16 x y)
  8171  	// result: (SETLE (CMPW x y))
  8172  	for {
  8173  		x := v_0
  8174  		y := v_1
  8175  		v.reset(Op386SETLE)
  8176  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8177  		v0.AddArg2(x, y)
  8178  		v.AddArg(v0)
  8179  		return true
  8180  	}
  8181  }
  8182  func rewriteValue386_OpLeq16U(v *Value) bool {
  8183  	v_1 := v.Args[1]
  8184  	v_0 := v.Args[0]
  8185  	b := v.Block
  8186  	// match: (Leq16U x y)
  8187  	// result: (SETBE (CMPW x y))
  8188  	for {
  8189  		x := v_0
  8190  		y := v_1
  8191  		v.reset(Op386SETBE)
  8192  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8193  		v0.AddArg2(x, y)
  8194  		v.AddArg(v0)
  8195  		return true
  8196  	}
  8197  }
  8198  func rewriteValue386_OpLeq32(v *Value) bool {
  8199  	v_1 := v.Args[1]
  8200  	v_0 := v.Args[0]
  8201  	b := v.Block
  8202  	// match: (Leq32 x y)
  8203  	// result: (SETLE (CMPL x y))
  8204  	for {
  8205  		x := v_0
  8206  		y := v_1
  8207  		v.reset(Op386SETLE)
  8208  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8209  		v0.AddArg2(x, y)
  8210  		v.AddArg(v0)
  8211  		return true
  8212  	}
  8213  }
  8214  func rewriteValue386_OpLeq32F(v *Value) bool {
  8215  	v_1 := v.Args[1]
  8216  	v_0 := v.Args[0]
  8217  	b := v.Block
  8218  	// match: (Leq32F x y)
  8219  	// result: (SETGEF (UCOMISS y x))
  8220  	for {
  8221  		x := v_0
  8222  		y := v_1
  8223  		v.reset(Op386SETGEF)
  8224  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8225  		v0.AddArg2(y, x)
  8226  		v.AddArg(v0)
  8227  		return true
  8228  	}
  8229  }
  8230  func rewriteValue386_OpLeq32U(v *Value) bool {
  8231  	v_1 := v.Args[1]
  8232  	v_0 := v.Args[0]
  8233  	b := v.Block
  8234  	// match: (Leq32U x y)
  8235  	// result: (SETBE (CMPL x y))
  8236  	for {
  8237  		x := v_0
  8238  		y := v_1
  8239  		v.reset(Op386SETBE)
  8240  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8241  		v0.AddArg2(x, y)
  8242  		v.AddArg(v0)
  8243  		return true
  8244  	}
  8245  }
  8246  func rewriteValue386_OpLeq64F(v *Value) bool {
  8247  	v_1 := v.Args[1]
  8248  	v_0 := v.Args[0]
  8249  	b := v.Block
  8250  	// match: (Leq64F x y)
  8251  	// result: (SETGEF (UCOMISD y x))
  8252  	for {
  8253  		x := v_0
  8254  		y := v_1
  8255  		v.reset(Op386SETGEF)
  8256  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8257  		v0.AddArg2(y, x)
  8258  		v.AddArg(v0)
  8259  		return true
  8260  	}
  8261  }
  8262  func rewriteValue386_OpLeq8(v *Value) bool {
  8263  	v_1 := v.Args[1]
  8264  	v_0 := v.Args[0]
  8265  	b := v.Block
  8266  	// match: (Leq8 x y)
  8267  	// result: (SETLE (CMPB x y))
  8268  	for {
  8269  		x := v_0
  8270  		y := v_1
  8271  		v.reset(Op386SETLE)
  8272  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8273  		v0.AddArg2(x, y)
  8274  		v.AddArg(v0)
  8275  		return true
  8276  	}
  8277  }
  8278  func rewriteValue386_OpLeq8U(v *Value) bool {
  8279  	v_1 := v.Args[1]
  8280  	v_0 := v.Args[0]
  8281  	b := v.Block
  8282  	// match: (Leq8U x y)
  8283  	// result: (SETBE (CMPB x y))
  8284  	for {
  8285  		x := v_0
  8286  		y := v_1
  8287  		v.reset(Op386SETBE)
  8288  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8289  		v0.AddArg2(x, y)
  8290  		v.AddArg(v0)
  8291  		return true
  8292  	}
  8293  }
  8294  func rewriteValue386_OpLess16(v *Value) bool {
  8295  	v_1 := v.Args[1]
  8296  	v_0 := v.Args[0]
  8297  	b := v.Block
  8298  	// match: (Less16 x y)
  8299  	// result: (SETL (CMPW x y))
  8300  	for {
  8301  		x := v_0
  8302  		y := v_1
  8303  		v.reset(Op386SETL)
  8304  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8305  		v0.AddArg2(x, y)
  8306  		v.AddArg(v0)
  8307  		return true
  8308  	}
  8309  }
  8310  func rewriteValue386_OpLess16U(v *Value) bool {
  8311  	v_1 := v.Args[1]
  8312  	v_0 := v.Args[0]
  8313  	b := v.Block
  8314  	// match: (Less16U x y)
  8315  	// result: (SETB (CMPW x y))
  8316  	for {
  8317  		x := v_0
  8318  		y := v_1
  8319  		v.reset(Op386SETB)
  8320  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8321  		v0.AddArg2(x, y)
  8322  		v.AddArg(v0)
  8323  		return true
  8324  	}
  8325  }
  8326  func rewriteValue386_OpLess32(v *Value) bool {
  8327  	v_1 := v.Args[1]
  8328  	v_0 := v.Args[0]
  8329  	b := v.Block
  8330  	// match: (Less32 x y)
  8331  	// result: (SETL (CMPL x y))
  8332  	for {
  8333  		x := v_0
  8334  		y := v_1
  8335  		v.reset(Op386SETL)
  8336  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8337  		v0.AddArg2(x, y)
  8338  		v.AddArg(v0)
  8339  		return true
  8340  	}
  8341  }
  8342  func rewriteValue386_OpLess32F(v *Value) bool {
  8343  	v_1 := v.Args[1]
  8344  	v_0 := v.Args[0]
  8345  	b := v.Block
  8346  	// match: (Less32F x y)
  8347  	// result: (SETGF (UCOMISS y x))
  8348  	for {
  8349  		x := v_0
  8350  		y := v_1
  8351  		v.reset(Op386SETGF)
  8352  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8353  		v0.AddArg2(y, x)
  8354  		v.AddArg(v0)
  8355  		return true
  8356  	}
  8357  }
  8358  func rewriteValue386_OpLess32U(v *Value) bool {
  8359  	v_1 := v.Args[1]
  8360  	v_0 := v.Args[0]
  8361  	b := v.Block
  8362  	// match: (Less32U x y)
  8363  	// result: (SETB (CMPL x y))
  8364  	for {
  8365  		x := v_0
  8366  		y := v_1
  8367  		v.reset(Op386SETB)
  8368  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8369  		v0.AddArg2(x, y)
  8370  		v.AddArg(v0)
  8371  		return true
  8372  	}
  8373  }
  8374  func rewriteValue386_OpLess64F(v *Value) bool {
  8375  	v_1 := v.Args[1]
  8376  	v_0 := v.Args[0]
  8377  	b := v.Block
  8378  	// match: (Less64F x y)
  8379  	// result: (SETGF (UCOMISD y x))
  8380  	for {
  8381  		x := v_0
  8382  		y := v_1
  8383  		v.reset(Op386SETGF)
  8384  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8385  		v0.AddArg2(y, x)
  8386  		v.AddArg(v0)
  8387  		return true
  8388  	}
  8389  }
  8390  func rewriteValue386_OpLess8(v *Value) bool {
  8391  	v_1 := v.Args[1]
  8392  	v_0 := v.Args[0]
  8393  	b := v.Block
  8394  	// match: (Less8 x y)
  8395  	// result: (SETL (CMPB x y))
  8396  	for {
  8397  		x := v_0
  8398  		y := v_1
  8399  		v.reset(Op386SETL)
  8400  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8401  		v0.AddArg2(x, y)
  8402  		v.AddArg(v0)
  8403  		return true
  8404  	}
  8405  }
  8406  func rewriteValue386_OpLess8U(v *Value) bool {
  8407  	v_1 := v.Args[1]
  8408  	v_0 := v.Args[0]
  8409  	b := v.Block
  8410  	// match: (Less8U x y)
  8411  	// result: (SETB (CMPB x y))
  8412  	for {
  8413  		x := v_0
  8414  		y := v_1
  8415  		v.reset(Op386SETB)
  8416  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8417  		v0.AddArg2(x, y)
  8418  		v.AddArg(v0)
  8419  		return true
  8420  	}
  8421  }
  8422  func rewriteValue386_OpLoad(v *Value) bool {
  8423  	v_1 := v.Args[1]
  8424  	v_0 := v.Args[0]
  8425  	// match: (Load <t> ptr mem)
  8426  	// cond: (is32BitInt(t) || isPtr(t))
  8427  	// result: (MOVLload ptr mem)
  8428  	for {
  8429  		t := v.Type
  8430  		ptr := v_0
  8431  		mem := v_1
  8432  		if !(is32BitInt(t) || isPtr(t)) {
  8433  			break
  8434  		}
  8435  		v.reset(Op386MOVLload)
  8436  		v.AddArg2(ptr, mem)
  8437  		return true
  8438  	}
  8439  	// match: (Load <t> ptr mem)
  8440  	// cond: is16BitInt(t)
  8441  	// result: (MOVWload ptr mem)
  8442  	for {
  8443  		t := v.Type
  8444  		ptr := v_0
  8445  		mem := v_1
  8446  		if !(is16BitInt(t)) {
  8447  			break
  8448  		}
  8449  		v.reset(Op386MOVWload)
  8450  		v.AddArg2(ptr, mem)
  8451  		return true
  8452  	}
  8453  	// match: (Load <t> ptr mem)
  8454  	// cond: (t.IsBoolean() || is8BitInt(t))
  8455  	// result: (MOVBload ptr mem)
  8456  	for {
  8457  		t := v.Type
  8458  		ptr := v_0
  8459  		mem := v_1
  8460  		if !(t.IsBoolean() || is8BitInt(t)) {
  8461  			break
  8462  		}
  8463  		v.reset(Op386MOVBload)
  8464  		v.AddArg2(ptr, mem)
  8465  		return true
  8466  	}
  8467  	// match: (Load <t> ptr mem)
  8468  	// cond: is32BitFloat(t)
  8469  	// result: (MOVSSload ptr mem)
  8470  	for {
  8471  		t := v.Type
  8472  		ptr := v_0
  8473  		mem := v_1
  8474  		if !(is32BitFloat(t)) {
  8475  			break
  8476  		}
  8477  		v.reset(Op386MOVSSload)
  8478  		v.AddArg2(ptr, mem)
  8479  		return true
  8480  	}
  8481  	// match: (Load <t> ptr mem)
  8482  	// cond: is64BitFloat(t)
  8483  	// result: (MOVSDload ptr mem)
  8484  	for {
  8485  		t := v.Type
  8486  		ptr := v_0
  8487  		mem := v_1
  8488  		if !(is64BitFloat(t)) {
  8489  			break
  8490  		}
  8491  		v.reset(Op386MOVSDload)
  8492  		v.AddArg2(ptr, mem)
  8493  		return true
  8494  	}
  8495  	return false
  8496  }
  8497  func rewriteValue386_OpLocalAddr(v *Value) bool {
  8498  	v_1 := v.Args[1]
  8499  	v_0 := v.Args[0]
  8500  	b := v.Block
  8501  	typ := &b.Func.Config.Types
  8502  	// match: (LocalAddr <t> {sym} base mem)
  8503  	// cond: t.Elem().HasPointers()
  8504  	// result: (LEAL {sym} (SPanchored base mem))
  8505  	for {
  8506  		t := v.Type
  8507  		sym := auxToSym(v.Aux)
  8508  		base := v_0
  8509  		mem := v_1
  8510  		if !(t.Elem().HasPointers()) {
  8511  			break
  8512  		}
  8513  		v.reset(Op386LEAL)
  8514  		v.Aux = symToAux(sym)
  8515  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
  8516  		v0.AddArg2(base, mem)
  8517  		v.AddArg(v0)
  8518  		return true
  8519  	}
  8520  	// match: (LocalAddr <t> {sym} base _)
  8521  	// cond: !t.Elem().HasPointers()
  8522  	// result: (LEAL {sym} base)
  8523  	for {
  8524  		t := v.Type
  8525  		sym := auxToSym(v.Aux)
  8526  		base := v_0
  8527  		if !(!t.Elem().HasPointers()) {
  8528  			break
  8529  		}
  8530  		v.reset(Op386LEAL)
  8531  		v.Aux = symToAux(sym)
  8532  		v.AddArg(base)
  8533  		return true
  8534  	}
  8535  	return false
  8536  }
  8537  func rewriteValue386_OpLsh16x16(v *Value) bool {
  8538  	v_1 := v.Args[1]
  8539  	v_0 := v.Args[0]
  8540  	b := v.Block
  8541  	// match: (Lsh16x16 <t> x y)
  8542  	// cond: !shiftIsBounded(v)
  8543  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8544  	for {
  8545  		t := v.Type
  8546  		x := v_0
  8547  		y := v_1
  8548  		if !(!shiftIsBounded(v)) {
  8549  			break
  8550  		}
  8551  		v.reset(Op386ANDL)
  8552  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8553  		v0.AddArg2(x, y)
  8554  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8555  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8556  		v2.AuxInt = int16ToAuxInt(32)
  8557  		v2.AddArg(y)
  8558  		v1.AddArg(v2)
  8559  		v.AddArg2(v0, v1)
  8560  		return true
  8561  	}
  8562  	// match: (Lsh16x16 <t> x y)
  8563  	// cond: shiftIsBounded(v)
  8564  	// result: (SHLL <t> x y)
  8565  	for {
  8566  		t := v.Type
  8567  		x := v_0
  8568  		y := v_1
  8569  		if !(shiftIsBounded(v)) {
  8570  			break
  8571  		}
  8572  		v.reset(Op386SHLL)
  8573  		v.Type = t
  8574  		v.AddArg2(x, y)
  8575  		return true
  8576  	}
  8577  	return false
  8578  }
  8579  func rewriteValue386_OpLsh16x32(v *Value) bool {
  8580  	v_1 := v.Args[1]
  8581  	v_0 := v.Args[0]
  8582  	b := v.Block
  8583  	// match: (Lsh16x32 <t> x y)
  8584  	// cond: !shiftIsBounded(v)
  8585  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8586  	for {
  8587  		t := v.Type
  8588  		x := v_0
  8589  		y := v_1
  8590  		if !(!shiftIsBounded(v)) {
  8591  			break
  8592  		}
  8593  		v.reset(Op386ANDL)
  8594  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8595  		v0.AddArg2(x, y)
  8596  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8597  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8598  		v2.AuxInt = int32ToAuxInt(32)
  8599  		v2.AddArg(y)
  8600  		v1.AddArg(v2)
  8601  		v.AddArg2(v0, v1)
  8602  		return true
  8603  	}
  8604  	// match: (Lsh16x32 <t> x y)
  8605  	// cond: shiftIsBounded(v)
  8606  	// result: (SHLL <t> x y)
  8607  	for {
  8608  		t := v.Type
  8609  		x := v_0
  8610  		y := v_1
  8611  		if !(shiftIsBounded(v)) {
  8612  			break
  8613  		}
  8614  		v.reset(Op386SHLL)
  8615  		v.Type = t
  8616  		v.AddArg2(x, y)
  8617  		return true
  8618  	}
  8619  	return false
  8620  }
  8621  func rewriteValue386_OpLsh16x64(v *Value) bool {
  8622  	v_1 := v.Args[1]
  8623  	v_0 := v.Args[0]
  8624  	// match: (Lsh16x64 x (Const64 [c]))
  8625  	// cond: uint64(c) < 16
  8626  	// result: (SHLLconst x [int32(c)])
  8627  	for {
  8628  		x := v_0
  8629  		if v_1.Op != OpConst64 {
  8630  			break
  8631  		}
  8632  		c := auxIntToInt64(v_1.AuxInt)
  8633  		if !(uint64(c) < 16) {
  8634  			break
  8635  		}
  8636  		v.reset(Op386SHLLconst)
  8637  		v.AuxInt = int32ToAuxInt(int32(c))
  8638  		v.AddArg(x)
  8639  		return true
  8640  	}
  8641  	// match: (Lsh16x64 _ (Const64 [c]))
  8642  	// cond: uint64(c) >= 16
  8643  	// result: (Const16 [0])
  8644  	for {
  8645  		if v_1.Op != OpConst64 {
  8646  			break
  8647  		}
  8648  		c := auxIntToInt64(v_1.AuxInt)
  8649  		if !(uint64(c) >= 16) {
  8650  			break
  8651  		}
  8652  		v.reset(OpConst16)
  8653  		v.AuxInt = int16ToAuxInt(0)
  8654  		return true
  8655  	}
  8656  	return false
  8657  }
  8658  func rewriteValue386_OpLsh16x8(v *Value) bool {
  8659  	v_1 := v.Args[1]
  8660  	v_0 := v.Args[0]
  8661  	b := v.Block
  8662  	// match: (Lsh16x8 <t> x y)
  8663  	// cond: !shiftIsBounded(v)
  8664  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8665  	for {
  8666  		t := v.Type
  8667  		x := v_0
  8668  		y := v_1
  8669  		if !(!shiftIsBounded(v)) {
  8670  			break
  8671  		}
  8672  		v.reset(Op386ANDL)
  8673  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8674  		v0.AddArg2(x, y)
  8675  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8676  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8677  		v2.AuxInt = int8ToAuxInt(32)
  8678  		v2.AddArg(y)
  8679  		v1.AddArg(v2)
  8680  		v.AddArg2(v0, v1)
  8681  		return true
  8682  	}
  8683  	// match: (Lsh16x8 <t> x y)
  8684  	// cond: shiftIsBounded(v)
  8685  	// result: (SHLL <t> x y)
  8686  	for {
  8687  		t := v.Type
  8688  		x := v_0
  8689  		y := v_1
  8690  		if !(shiftIsBounded(v)) {
  8691  			break
  8692  		}
  8693  		v.reset(Op386SHLL)
  8694  		v.Type = t
  8695  		v.AddArg2(x, y)
  8696  		return true
  8697  	}
  8698  	return false
  8699  }
  8700  func rewriteValue386_OpLsh32x16(v *Value) bool {
  8701  	v_1 := v.Args[1]
  8702  	v_0 := v.Args[0]
  8703  	b := v.Block
  8704  	// match: (Lsh32x16 <t> x y)
  8705  	// cond: !shiftIsBounded(v)
  8706  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8707  	for {
  8708  		t := v.Type
  8709  		x := v_0
  8710  		y := v_1
  8711  		if !(!shiftIsBounded(v)) {
  8712  			break
  8713  		}
  8714  		v.reset(Op386ANDL)
  8715  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8716  		v0.AddArg2(x, y)
  8717  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8718  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8719  		v2.AuxInt = int16ToAuxInt(32)
  8720  		v2.AddArg(y)
  8721  		v1.AddArg(v2)
  8722  		v.AddArg2(v0, v1)
  8723  		return true
  8724  	}
  8725  	// match: (Lsh32x16 <t> x y)
  8726  	// cond: shiftIsBounded(v)
  8727  	// result: (SHLL <t> x y)
  8728  	for {
  8729  		t := v.Type
  8730  		x := v_0
  8731  		y := v_1
  8732  		if !(shiftIsBounded(v)) {
  8733  			break
  8734  		}
  8735  		v.reset(Op386SHLL)
  8736  		v.Type = t
  8737  		v.AddArg2(x, y)
  8738  		return true
  8739  	}
  8740  	return false
  8741  }
  8742  func rewriteValue386_OpLsh32x32(v *Value) bool {
  8743  	v_1 := v.Args[1]
  8744  	v_0 := v.Args[0]
  8745  	b := v.Block
  8746  	// match: (Lsh32x32 <t> x y)
  8747  	// cond: !shiftIsBounded(v)
  8748  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8749  	for {
  8750  		t := v.Type
  8751  		x := v_0
  8752  		y := v_1
  8753  		if !(!shiftIsBounded(v)) {
  8754  			break
  8755  		}
  8756  		v.reset(Op386ANDL)
  8757  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8758  		v0.AddArg2(x, y)
  8759  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8760  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8761  		v2.AuxInt = int32ToAuxInt(32)
  8762  		v2.AddArg(y)
  8763  		v1.AddArg(v2)
  8764  		v.AddArg2(v0, v1)
  8765  		return true
  8766  	}
  8767  	// match: (Lsh32x32 <t> x y)
  8768  	// cond: shiftIsBounded(v)
  8769  	// result: (SHLL <t> x y)
  8770  	for {
  8771  		t := v.Type
  8772  		x := v_0
  8773  		y := v_1
  8774  		if !(shiftIsBounded(v)) {
  8775  			break
  8776  		}
  8777  		v.reset(Op386SHLL)
  8778  		v.Type = t
  8779  		v.AddArg2(x, y)
  8780  		return true
  8781  	}
  8782  	return false
  8783  }
  8784  func rewriteValue386_OpLsh32x64(v *Value) bool {
  8785  	v_1 := v.Args[1]
  8786  	v_0 := v.Args[0]
  8787  	// match: (Lsh32x64 x (Const64 [c]))
  8788  	// cond: uint64(c) < 32
  8789  	// result: (SHLLconst x [int32(c)])
  8790  	for {
  8791  		x := v_0
  8792  		if v_1.Op != OpConst64 {
  8793  			break
  8794  		}
  8795  		c := auxIntToInt64(v_1.AuxInt)
  8796  		if !(uint64(c) < 32) {
  8797  			break
  8798  		}
  8799  		v.reset(Op386SHLLconst)
  8800  		v.AuxInt = int32ToAuxInt(int32(c))
  8801  		v.AddArg(x)
  8802  		return true
  8803  	}
  8804  	// match: (Lsh32x64 _ (Const64 [c]))
  8805  	// cond: uint64(c) >= 32
  8806  	// result: (Const32 [0])
  8807  	for {
  8808  		if v_1.Op != OpConst64 {
  8809  			break
  8810  		}
  8811  		c := auxIntToInt64(v_1.AuxInt)
  8812  		if !(uint64(c) >= 32) {
  8813  			break
  8814  		}
  8815  		v.reset(OpConst32)
  8816  		v.AuxInt = int32ToAuxInt(0)
  8817  		return true
  8818  	}
  8819  	return false
  8820  }
  8821  func rewriteValue386_OpLsh32x8(v *Value) bool {
  8822  	v_1 := v.Args[1]
  8823  	v_0 := v.Args[0]
  8824  	b := v.Block
  8825  	// match: (Lsh32x8 <t> x y)
  8826  	// cond: !shiftIsBounded(v)
  8827  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8828  	for {
  8829  		t := v.Type
  8830  		x := v_0
  8831  		y := v_1
  8832  		if !(!shiftIsBounded(v)) {
  8833  			break
  8834  		}
  8835  		v.reset(Op386ANDL)
  8836  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8837  		v0.AddArg2(x, y)
  8838  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8839  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8840  		v2.AuxInt = int8ToAuxInt(32)
  8841  		v2.AddArg(y)
  8842  		v1.AddArg(v2)
  8843  		v.AddArg2(v0, v1)
  8844  		return true
  8845  	}
  8846  	// match: (Lsh32x8 <t> x y)
  8847  	// cond: shiftIsBounded(v)
  8848  	// result: (SHLL <t> x y)
  8849  	for {
  8850  		t := v.Type
  8851  		x := v_0
  8852  		y := v_1
  8853  		if !(shiftIsBounded(v)) {
  8854  			break
  8855  		}
  8856  		v.reset(Op386SHLL)
  8857  		v.Type = t
  8858  		v.AddArg2(x, y)
  8859  		return true
  8860  	}
  8861  	return false
  8862  }
  8863  func rewriteValue386_OpLsh8x16(v *Value) bool {
  8864  	v_1 := v.Args[1]
  8865  	v_0 := v.Args[0]
  8866  	b := v.Block
  8867  	// match: (Lsh8x16 <t> x y)
  8868  	// cond: !shiftIsBounded(v)
  8869  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8870  	for {
  8871  		t := v.Type
  8872  		x := v_0
  8873  		y := v_1
  8874  		if !(!shiftIsBounded(v)) {
  8875  			break
  8876  		}
  8877  		v.reset(Op386ANDL)
  8878  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8879  		v0.AddArg2(x, y)
  8880  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8881  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8882  		v2.AuxInt = int16ToAuxInt(32)
  8883  		v2.AddArg(y)
  8884  		v1.AddArg(v2)
  8885  		v.AddArg2(v0, v1)
  8886  		return true
  8887  	}
  8888  	// match: (Lsh8x16 <t> x y)
  8889  	// cond: shiftIsBounded(v)
  8890  	// result: (SHLL <t> x y)
  8891  	for {
  8892  		t := v.Type
  8893  		x := v_0
  8894  		y := v_1
  8895  		if !(shiftIsBounded(v)) {
  8896  			break
  8897  		}
  8898  		v.reset(Op386SHLL)
  8899  		v.Type = t
  8900  		v.AddArg2(x, y)
  8901  		return true
  8902  	}
  8903  	return false
  8904  }
  8905  func rewriteValue386_OpLsh8x32(v *Value) bool {
  8906  	v_1 := v.Args[1]
  8907  	v_0 := v.Args[0]
  8908  	b := v.Block
  8909  	// match: (Lsh8x32 <t> x y)
  8910  	// cond: !shiftIsBounded(v)
  8911  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8912  	for {
  8913  		t := v.Type
  8914  		x := v_0
  8915  		y := v_1
  8916  		if !(!shiftIsBounded(v)) {
  8917  			break
  8918  		}
  8919  		v.reset(Op386ANDL)
  8920  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8921  		v0.AddArg2(x, y)
  8922  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8923  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8924  		v2.AuxInt = int32ToAuxInt(32)
  8925  		v2.AddArg(y)
  8926  		v1.AddArg(v2)
  8927  		v.AddArg2(v0, v1)
  8928  		return true
  8929  	}
  8930  	// match: (Lsh8x32 <t> x y)
  8931  	// cond: shiftIsBounded(v)
  8932  	// result: (SHLL <t> x y)
  8933  	for {
  8934  		t := v.Type
  8935  		x := v_0
  8936  		y := v_1
  8937  		if !(shiftIsBounded(v)) {
  8938  			break
  8939  		}
  8940  		v.reset(Op386SHLL)
  8941  		v.Type = t
  8942  		v.AddArg2(x, y)
  8943  		return true
  8944  	}
  8945  	return false
  8946  }
  8947  func rewriteValue386_OpLsh8x64(v *Value) bool {
  8948  	v_1 := v.Args[1]
  8949  	v_0 := v.Args[0]
  8950  	// match: (Lsh8x64 x (Const64 [c]))
  8951  	// cond: uint64(c) < 8
  8952  	// result: (SHLLconst x [int32(c)])
  8953  	for {
  8954  		x := v_0
  8955  		if v_1.Op != OpConst64 {
  8956  			break
  8957  		}
  8958  		c := auxIntToInt64(v_1.AuxInt)
  8959  		if !(uint64(c) < 8) {
  8960  			break
  8961  		}
  8962  		v.reset(Op386SHLLconst)
  8963  		v.AuxInt = int32ToAuxInt(int32(c))
  8964  		v.AddArg(x)
  8965  		return true
  8966  	}
  8967  	// match: (Lsh8x64 _ (Const64 [c]))
  8968  	// cond: uint64(c) >= 8
  8969  	// result: (Const8 [0])
  8970  	for {
  8971  		if v_1.Op != OpConst64 {
  8972  			break
  8973  		}
  8974  		c := auxIntToInt64(v_1.AuxInt)
  8975  		if !(uint64(c) >= 8) {
  8976  			break
  8977  		}
  8978  		v.reset(OpConst8)
  8979  		v.AuxInt = int8ToAuxInt(0)
  8980  		return true
  8981  	}
  8982  	return false
  8983  }
  8984  func rewriteValue386_OpLsh8x8(v *Value) bool {
  8985  	v_1 := v.Args[1]
  8986  	v_0 := v.Args[0]
  8987  	b := v.Block
  8988  	// match: (Lsh8x8 <t> x y)
  8989  	// cond: !shiftIsBounded(v)
  8990  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8991  	for {
  8992  		t := v.Type
  8993  		x := v_0
  8994  		y := v_1
  8995  		if !(!shiftIsBounded(v)) {
  8996  			break
  8997  		}
  8998  		v.reset(Op386ANDL)
  8999  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9000  		v0.AddArg2(x, y)
  9001  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9002  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9003  		v2.AuxInt = int8ToAuxInt(32)
  9004  		v2.AddArg(y)
  9005  		v1.AddArg(v2)
  9006  		v.AddArg2(v0, v1)
  9007  		return true
  9008  	}
  9009  	// match: (Lsh8x8 <t> x y)
  9010  	// cond: shiftIsBounded(v)
  9011  	// result: (SHLL <t> x y)
  9012  	for {
  9013  		t := v.Type
  9014  		x := v_0
  9015  		y := v_1
  9016  		if !(shiftIsBounded(v)) {
  9017  			break
  9018  		}
  9019  		v.reset(Op386SHLL)
  9020  		v.Type = t
  9021  		v.AddArg2(x, y)
  9022  		return true
  9023  	}
  9024  	return false
  9025  }
  9026  func rewriteValue386_OpMod8(v *Value) bool {
  9027  	v_1 := v.Args[1]
  9028  	v_0 := v.Args[0]
  9029  	b := v.Block
  9030  	typ := &b.Func.Config.Types
  9031  	// match: (Mod8 x y)
  9032  	// result: (MODW (SignExt8to16 x) (SignExt8to16 y))
  9033  	for {
  9034  		x := v_0
  9035  		y := v_1
  9036  		v.reset(Op386MODW)
  9037  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  9038  		v0.AddArg(x)
  9039  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  9040  		v1.AddArg(y)
  9041  		v.AddArg2(v0, v1)
  9042  		return true
  9043  	}
  9044  }
  9045  func rewriteValue386_OpMod8u(v *Value) bool {
  9046  	v_1 := v.Args[1]
  9047  	v_0 := v.Args[0]
  9048  	b := v.Block
  9049  	typ := &b.Func.Config.Types
  9050  	// match: (Mod8u x y)
  9051  	// result: (MODWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  9052  	for {
  9053  		x := v_0
  9054  		y := v_1
  9055  		v.reset(Op386MODWU)
  9056  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  9057  		v0.AddArg(x)
  9058  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  9059  		v1.AddArg(y)
  9060  		v.AddArg2(v0, v1)
  9061  		return true
  9062  	}
  9063  }
  9064  func rewriteValue386_OpMove(v *Value) bool {
  9065  	v_2 := v.Args[2]
  9066  	v_1 := v.Args[1]
  9067  	v_0 := v.Args[0]
  9068  	b := v.Block
  9069  	typ := &b.Func.Config.Types
  9070  	// match: (Move [0] _ _ mem)
  9071  	// result: mem
  9072  	for {
  9073  		if auxIntToInt64(v.AuxInt) != 0 {
  9074  			break
  9075  		}
  9076  		mem := v_2
  9077  		v.copyOf(mem)
  9078  		return true
  9079  	}
  9080  	// match: (Move [1] dst src mem)
  9081  	// result: (MOVBstore dst (MOVBload src mem) mem)
  9082  	for {
  9083  		if auxIntToInt64(v.AuxInt) != 1 {
  9084  			break
  9085  		}
  9086  		dst := v_0
  9087  		src := v_1
  9088  		mem := v_2
  9089  		v.reset(Op386MOVBstore)
  9090  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9091  		v0.AddArg2(src, mem)
  9092  		v.AddArg3(dst, v0, mem)
  9093  		return true
  9094  	}
  9095  	// match: (Move [2] dst src mem)
  9096  	// result: (MOVWstore dst (MOVWload src mem) mem)
  9097  	for {
  9098  		if auxIntToInt64(v.AuxInt) != 2 {
  9099  			break
  9100  		}
  9101  		dst := v_0
  9102  		src := v_1
  9103  		mem := v_2
  9104  		v.reset(Op386MOVWstore)
  9105  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9106  		v0.AddArg2(src, mem)
  9107  		v.AddArg3(dst, v0, mem)
  9108  		return true
  9109  	}
  9110  	// match: (Move [4] dst src mem)
  9111  	// result: (MOVLstore dst (MOVLload src mem) mem)
  9112  	for {
  9113  		if auxIntToInt64(v.AuxInt) != 4 {
  9114  			break
  9115  		}
  9116  		dst := v_0
  9117  		src := v_1
  9118  		mem := v_2
  9119  		v.reset(Op386MOVLstore)
  9120  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9121  		v0.AddArg2(src, mem)
  9122  		v.AddArg3(dst, v0, mem)
  9123  		return true
  9124  	}
  9125  	// match: (Move [3] dst src mem)
  9126  	// result: (MOVBstore [2] dst (MOVBload [2] src mem) (MOVWstore dst (MOVWload src mem) mem))
  9127  	for {
  9128  		if auxIntToInt64(v.AuxInt) != 3 {
  9129  			break
  9130  		}
  9131  		dst := v_0
  9132  		src := v_1
  9133  		mem := v_2
  9134  		v.reset(Op386MOVBstore)
  9135  		v.AuxInt = int32ToAuxInt(2)
  9136  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9137  		v0.AuxInt = int32ToAuxInt(2)
  9138  		v0.AddArg2(src, mem)
  9139  		v1 := b.NewValue0(v.Pos, Op386MOVWstore, types.TypeMem)
  9140  		v2 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9141  		v2.AddArg2(src, mem)
  9142  		v1.AddArg3(dst, v2, mem)
  9143  		v.AddArg3(dst, v0, v1)
  9144  		return true
  9145  	}
  9146  	// match: (Move [5] dst src mem)
  9147  	// result: (MOVBstore [4] dst (MOVBload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9148  	for {
  9149  		if auxIntToInt64(v.AuxInt) != 5 {
  9150  			break
  9151  		}
  9152  		dst := v_0
  9153  		src := v_1
  9154  		mem := v_2
  9155  		v.reset(Op386MOVBstore)
  9156  		v.AuxInt = int32ToAuxInt(4)
  9157  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9158  		v0.AuxInt = int32ToAuxInt(4)
  9159  		v0.AddArg2(src, mem)
  9160  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9161  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9162  		v2.AddArg2(src, mem)
  9163  		v1.AddArg3(dst, v2, mem)
  9164  		v.AddArg3(dst, v0, v1)
  9165  		return true
  9166  	}
  9167  	// match: (Move [6] dst src mem)
  9168  	// result: (MOVWstore [4] dst (MOVWload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9169  	for {
  9170  		if auxIntToInt64(v.AuxInt) != 6 {
  9171  			break
  9172  		}
  9173  		dst := v_0
  9174  		src := v_1
  9175  		mem := v_2
  9176  		v.reset(Op386MOVWstore)
  9177  		v.AuxInt = int32ToAuxInt(4)
  9178  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9179  		v0.AuxInt = int32ToAuxInt(4)
  9180  		v0.AddArg2(src, mem)
  9181  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9182  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9183  		v2.AddArg2(src, mem)
  9184  		v1.AddArg3(dst, v2, mem)
  9185  		v.AddArg3(dst, v0, v1)
  9186  		return true
  9187  	}
  9188  	// match: (Move [7] dst src mem)
  9189  	// result: (MOVLstore [3] dst (MOVLload [3] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9190  	for {
  9191  		if auxIntToInt64(v.AuxInt) != 7 {
  9192  			break
  9193  		}
  9194  		dst := v_0
  9195  		src := v_1
  9196  		mem := v_2
  9197  		v.reset(Op386MOVLstore)
  9198  		v.AuxInt = int32ToAuxInt(3)
  9199  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9200  		v0.AuxInt = int32ToAuxInt(3)
  9201  		v0.AddArg2(src, mem)
  9202  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9203  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9204  		v2.AddArg2(src, mem)
  9205  		v1.AddArg3(dst, v2, mem)
  9206  		v.AddArg3(dst, v0, v1)
  9207  		return true
  9208  	}
  9209  	// match: (Move [8] dst src mem)
  9210  	// result: (MOVLstore [4] dst (MOVLload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9211  	for {
  9212  		if auxIntToInt64(v.AuxInt) != 8 {
  9213  			break
  9214  		}
  9215  		dst := v_0
  9216  		src := v_1
  9217  		mem := v_2
  9218  		v.reset(Op386MOVLstore)
  9219  		v.AuxInt = int32ToAuxInt(4)
  9220  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9221  		v0.AuxInt = int32ToAuxInt(4)
  9222  		v0.AddArg2(src, mem)
  9223  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9224  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9225  		v2.AddArg2(src, mem)
  9226  		v1.AddArg3(dst, v2, mem)
  9227  		v.AddArg3(dst, v0, v1)
  9228  		return true
  9229  	}
  9230  	// match: (Move [s] dst src mem)
  9231  	// cond: s > 8 && s%4 != 0
  9232  	// result: (Move [s-s%4] (ADDLconst <dst.Type> dst [int32(s%4)]) (ADDLconst <src.Type> src [int32(s%4)]) (MOVLstore dst (MOVLload src mem) mem))
  9233  	for {
  9234  		s := auxIntToInt64(v.AuxInt)
  9235  		dst := v_0
  9236  		src := v_1
  9237  		mem := v_2
  9238  		if !(s > 8 && s%4 != 0) {
  9239  			break
  9240  		}
  9241  		v.reset(OpMove)
  9242  		v.AuxInt = int64ToAuxInt(s - s%4)
  9243  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, dst.Type)
  9244  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
  9245  		v0.AddArg(dst)
  9246  		v1 := b.NewValue0(v.Pos, Op386ADDLconst, src.Type)
  9247  		v1.AuxInt = int32ToAuxInt(int32(s % 4))
  9248  		v1.AddArg(src)
  9249  		v2 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9250  		v3 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9251  		v3.AddArg2(src, mem)
  9252  		v2.AddArg3(dst, v3, mem)
  9253  		v.AddArg3(v0, v1, v2)
  9254  		return true
  9255  	}
  9256  	// match: (Move [s] dst src mem)
  9257  	// cond: s > 8 && s <= 4*128 && s%4 == 0 && logLargeCopy(v, s)
  9258  	// result: (DUFFCOPY [10*(128-s/4)] dst src mem)
  9259  	for {
  9260  		s := auxIntToInt64(v.AuxInt)
  9261  		dst := v_0
  9262  		src := v_1
  9263  		mem := v_2
  9264  		if !(s > 8 && s <= 4*128 && s%4 == 0 && logLargeCopy(v, s)) {
  9265  			break
  9266  		}
  9267  		v.reset(Op386DUFFCOPY)
  9268  		v.AuxInt = int64ToAuxInt(10 * (128 - s/4))
  9269  		v.AddArg3(dst, src, mem)
  9270  		return true
  9271  	}
  9272  	// match: (Move [s] dst src mem)
  9273  	// cond: s > 4*128 && s%4 == 0 && logLargeCopy(v, s)
  9274  	// result: (REPMOVSL dst src (MOVLconst [int32(s/4)]) mem)
  9275  	for {
  9276  		s := auxIntToInt64(v.AuxInt)
  9277  		dst := v_0
  9278  		src := v_1
  9279  		mem := v_2
  9280  		if !(s > 4*128 && s%4 == 0 && logLargeCopy(v, s)) {
  9281  			break
  9282  		}
  9283  		v.reset(Op386REPMOVSL)
  9284  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
  9285  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
  9286  		v.AddArg4(dst, src, v0, mem)
  9287  		return true
  9288  	}
  9289  	return false
  9290  }
  9291  func rewriteValue386_OpNeg32F(v *Value) bool {
  9292  	v_0 := v.Args[0]
  9293  	b := v.Block
  9294  	typ := &b.Func.Config.Types
  9295  	// match: (Neg32F x)
  9296  	// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
  9297  	for {
  9298  		x := v_0
  9299  		v.reset(Op386PXOR)
  9300  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst, typ.Float32)
  9301  		v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
  9302  		v.AddArg2(x, v0)
  9303  		return true
  9304  	}
  9305  }
  9306  func rewriteValue386_OpNeg64F(v *Value) bool {
  9307  	v_0 := v.Args[0]
  9308  	b := v.Block
  9309  	typ := &b.Func.Config.Types
  9310  	// match: (Neg64F x)
  9311  	// result: (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))
  9312  	for {
  9313  		x := v_0
  9314  		v.reset(Op386PXOR)
  9315  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst, typ.Float64)
  9316  		v0.AuxInt = float64ToAuxInt(math.Copysign(0, -1))
  9317  		v.AddArg2(x, v0)
  9318  		return true
  9319  	}
  9320  }
  9321  func rewriteValue386_OpNeq16(v *Value) bool {
  9322  	v_1 := v.Args[1]
  9323  	v_0 := v.Args[0]
  9324  	b := v.Block
  9325  	// match: (Neq16 x y)
  9326  	// result: (SETNE (CMPW x y))
  9327  	for {
  9328  		x := v_0
  9329  		y := v_1
  9330  		v.reset(Op386SETNE)
  9331  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  9332  		v0.AddArg2(x, y)
  9333  		v.AddArg(v0)
  9334  		return true
  9335  	}
  9336  }
  9337  func rewriteValue386_OpNeq32(v *Value) bool {
  9338  	v_1 := v.Args[1]
  9339  	v_0 := v.Args[0]
  9340  	b := v.Block
  9341  	// match: (Neq32 x y)
  9342  	// result: (SETNE (CMPL x y))
  9343  	for {
  9344  		x := v_0
  9345  		y := v_1
  9346  		v.reset(Op386SETNE)
  9347  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9348  		v0.AddArg2(x, y)
  9349  		v.AddArg(v0)
  9350  		return true
  9351  	}
  9352  }
  9353  func rewriteValue386_OpNeq32F(v *Value) bool {
  9354  	v_1 := v.Args[1]
  9355  	v_0 := v.Args[0]
  9356  	b := v.Block
  9357  	// match: (Neq32F x y)
  9358  	// result: (SETNEF (UCOMISS x y))
  9359  	for {
  9360  		x := v_0
  9361  		y := v_1
  9362  		v.reset(Op386SETNEF)
  9363  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  9364  		v0.AddArg2(x, y)
  9365  		v.AddArg(v0)
  9366  		return true
  9367  	}
  9368  }
  9369  func rewriteValue386_OpNeq64F(v *Value) bool {
  9370  	v_1 := v.Args[1]
  9371  	v_0 := v.Args[0]
  9372  	b := v.Block
  9373  	// match: (Neq64F x y)
  9374  	// result: (SETNEF (UCOMISD x y))
  9375  	for {
  9376  		x := v_0
  9377  		y := v_1
  9378  		v.reset(Op386SETNEF)
  9379  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  9380  		v0.AddArg2(x, y)
  9381  		v.AddArg(v0)
  9382  		return true
  9383  	}
  9384  }
  9385  func rewriteValue386_OpNeq8(v *Value) bool {
  9386  	v_1 := v.Args[1]
  9387  	v_0 := v.Args[0]
  9388  	b := v.Block
  9389  	// match: (Neq8 x y)
  9390  	// result: (SETNE (CMPB x y))
  9391  	for {
  9392  		x := v_0
  9393  		y := v_1
  9394  		v.reset(Op386SETNE)
  9395  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9396  		v0.AddArg2(x, y)
  9397  		v.AddArg(v0)
  9398  		return true
  9399  	}
  9400  }
  9401  func rewriteValue386_OpNeqB(v *Value) bool {
  9402  	v_1 := v.Args[1]
  9403  	v_0 := v.Args[0]
  9404  	b := v.Block
  9405  	// match: (NeqB x y)
  9406  	// result: (SETNE (CMPB x y))
  9407  	for {
  9408  		x := v_0
  9409  		y := v_1
  9410  		v.reset(Op386SETNE)
  9411  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9412  		v0.AddArg2(x, y)
  9413  		v.AddArg(v0)
  9414  		return true
  9415  	}
  9416  }
  9417  func rewriteValue386_OpNeqPtr(v *Value) bool {
  9418  	v_1 := v.Args[1]
  9419  	v_0 := v.Args[0]
  9420  	b := v.Block
  9421  	// match: (NeqPtr x y)
  9422  	// result: (SETNE (CMPL x y))
  9423  	for {
  9424  		x := v_0
  9425  		y := v_1
  9426  		v.reset(Op386SETNE)
  9427  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9428  		v0.AddArg2(x, y)
  9429  		v.AddArg(v0)
  9430  		return true
  9431  	}
  9432  }
  9433  func rewriteValue386_OpNot(v *Value) bool {
  9434  	v_0 := v.Args[0]
  9435  	// match: (Not x)
  9436  	// result: (XORLconst [1] x)
  9437  	for {
  9438  		x := v_0
  9439  		v.reset(Op386XORLconst)
  9440  		v.AuxInt = int32ToAuxInt(1)
  9441  		v.AddArg(x)
  9442  		return true
  9443  	}
  9444  }
  9445  func rewriteValue386_OpOffPtr(v *Value) bool {
  9446  	v_0 := v.Args[0]
  9447  	// match: (OffPtr [off] ptr)
  9448  	// result: (ADDLconst [int32(off)] ptr)
  9449  	for {
  9450  		off := auxIntToInt64(v.AuxInt)
  9451  		ptr := v_0
  9452  		v.reset(Op386ADDLconst)
  9453  		v.AuxInt = int32ToAuxInt(int32(off))
  9454  		v.AddArg(ptr)
  9455  		return true
  9456  	}
  9457  }
  9458  func rewriteValue386_OpRsh16Ux16(v *Value) bool {
  9459  	v_1 := v.Args[1]
  9460  	v_0 := v.Args[0]
  9461  	b := v.Block
  9462  	// match: (Rsh16Ux16 <t> x y)
  9463  	// cond: !shiftIsBounded(v)
  9464  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPWconst y [16])))
  9465  	for {
  9466  		t := v.Type
  9467  		x := v_0
  9468  		y := v_1
  9469  		if !(!shiftIsBounded(v)) {
  9470  			break
  9471  		}
  9472  		v.reset(Op386ANDL)
  9473  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9474  		v0.AddArg2(x, y)
  9475  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9476  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9477  		v2.AuxInt = int16ToAuxInt(16)
  9478  		v2.AddArg(y)
  9479  		v1.AddArg(v2)
  9480  		v.AddArg2(v0, v1)
  9481  		return true
  9482  	}
  9483  	// match: (Rsh16Ux16 <t> x y)
  9484  	// cond: shiftIsBounded(v)
  9485  	// result: (SHRW <t> x y)
  9486  	for {
  9487  		t := v.Type
  9488  		x := v_0
  9489  		y := v_1
  9490  		if !(shiftIsBounded(v)) {
  9491  			break
  9492  		}
  9493  		v.reset(Op386SHRW)
  9494  		v.Type = t
  9495  		v.AddArg2(x, y)
  9496  		return true
  9497  	}
  9498  	return false
  9499  }
  9500  func rewriteValue386_OpRsh16Ux32(v *Value) bool {
  9501  	v_1 := v.Args[1]
  9502  	v_0 := v.Args[0]
  9503  	b := v.Block
  9504  	// match: (Rsh16Ux32 <t> x y)
  9505  	// cond: !shiftIsBounded(v)
  9506  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPLconst y [16])))
  9507  	for {
  9508  		t := v.Type
  9509  		x := v_0
  9510  		y := v_1
  9511  		if !(!shiftIsBounded(v)) {
  9512  			break
  9513  		}
  9514  		v.reset(Op386ANDL)
  9515  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9516  		v0.AddArg2(x, y)
  9517  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9518  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9519  		v2.AuxInt = int32ToAuxInt(16)
  9520  		v2.AddArg(y)
  9521  		v1.AddArg(v2)
  9522  		v.AddArg2(v0, v1)
  9523  		return true
  9524  	}
  9525  	// match: (Rsh16Ux32 <t> x y)
  9526  	// cond: shiftIsBounded(v)
  9527  	// result: (SHRW <t> x y)
  9528  	for {
  9529  		t := v.Type
  9530  		x := v_0
  9531  		y := v_1
  9532  		if !(shiftIsBounded(v)) {
  9533  			break
  9534  		}
  9535  		v.reset(Op386SHRW)
  9536  		v.Type = t
  9537  		v.AddArg2(x, y)
  9538  		return true
  9539  	}
  9540  	return false
  9541  }
  9542  func rewriteValue386_OpRsh16Ux64(v *Value) bool {
  9543  	v_1 := v.Args[1]
  9544  	v_0 := v.Args[0]
  9545  	// match: (Rsh16Ux64 x (Const64 [c]))
  9546  	// cond: uint64(c) < 16
  9547  	// result: (SHRWconst x [int16(c)])
  9548  	for {
  9549  		x := v_0
  9550  		if v_1.Op != OpConst64 {
  9551  			break
  9552  		}
  9553  		c := auxIntToInt64(v_1.AuxInt)
  9554  		if !(uint64(c) < 16) {
  9555  			break
  9556  		}
  9557  		v.reset(Op386SHRWconst)
  9558  		v.AuxInt = int16ToAuxInt(int16(c))
  9559  		v.AddArg(x)
  9560  		return true
  9561  	}
  9562  	// match: (Rsh16Ux64 _ (Const64 [c]))
  9563  	// cond: uint64(c) >= 16
  9564  	// result: (Const16 [0])
  9565  	for {
  9566  		if v_1.Op != OpConst64 {
  9567  			break
  9568  		}
  9569  		c := auxIntToInt64(v_1.AuxInt)
  9570  		if !(uint64(c) >= 16) {
  9571  			break
  9572  		}
  9573  		v.reset(OpConst16)
  9574  		v.AuxInt = int16ToAuxInt(0)
  9575  		return true
  9576  	}
  9577  	return false
  9578  }
  9579  func rewriteValue386_OpRsh16Ux8(v *Value) bool {
  9580  	v_1 := v.Args[1]
  9581  	v_0 := v.Args[0]
  9582  	b := v.Block
  9583  	// match: (Rsh16Ux8 <t> x y)
  9584  	// cond: !shiftIsBounded(v)
  9585  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPBconst y [16])))
  9586  	for {
  9587  		t := v.Type
  9588  		x := v_0
  9589  		y := v_1
  9590  		if !(!shiftIsBounded(v)) {
  9591  			break
  9592  		}
  9593  		v.reset(Op386ANDL)
  9594  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9595  		v0.AddArg2(x, y)
  9596  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9597  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9598  		v2.AuxInt = int8ToAuxInt(16)
  9599  		v2.AddArg(y)
  9600  		v1.AddArg(v2)
  9601  		v.AddArg2(v0, v1)
  9602  		return true
  9603  	}
  9604  	// match: (Rsh16Ux8 <t> x y)
  9605  	// cond: shiftIsBounded(v)
  9606  	// result: (SHRW <t> x y)
  9607  	for {
  9608  		t := v.Type
  9609  		x := v_0
  9610  		y := v_1
  9611  		if !(shiftIsBounded(v)) {
  9612  			break
  9613  		}
  9614  		v.reset(Op386SHRW)
  9615  		v.Type = t
  9616  		v.AddArg2(x, y)
  9617  		return true
  9618  	}
  9619  	return false
  9620  }
  9621  func rewriteValue386_OpRsh16x16(v *Value) bool {
  9622  	v_1 := v.Args[1]
  9623  	v_0 := v.Args[0]
  9624  	b := v.Block
  9625  	// match: (Rsh16x16 <t> x y)
  9626  	// cond: !shiftIsBounded(v)
  9627  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [16])))))
  9628  	for {
  9629  		t := v.Type
  9630  		x := v_0
  9631  		y := v_1
  9632  		if !(!shiftIsBounded(v)) {
  9633  			break
  9634  		}
  9635  		v.reset(Op386SARW)
  9636  		v.Type = t
  9637  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9638  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9639  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9640  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9641  		v3.AuxInt = int16ToAuxInt(16)
  9642  		v3.AddArg(y)
  9643  		v2.AddArg(v3)
  9644  		v1.AddArg(v2)
  9645  		v0.AddArg2(y, v1)
  9646  		v.AddArg2(x, v0)
  9647  		return true
  9648  	}
  9649  	// match: (Rsh16x16 <t> x y)
  9650  	// cond: shiftIsBounded(v)
  9651  	// result: (SARW x y)
  9652  	for {
  9653  		x := v_0
  9654  		y := v_1
  9655  		if !(shiftIsBounded(v)) {
  9656  			break
  9657  		}
  9658  		v.reset(Op386SARW)
  9659  		v.AddArg2(x, y)
  9660  		return true
  9661  	}
  9662  	return false
  9663  }
  9664  func rewriteValue386_OpRsh16x32(v *Value) bool {
  9665  	v_1 := v.Args[1]
  9666  	v_0 := v.Args[0]
  9667  	b := v.Block
  9668  	// match: (Rsh16x32 <t> x y)
  9669  	// cond: !shiftIsBounded(v)
  9670  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [16])))))
  9671  	for {
  9672  		t := v.Type
  9673  		x := v_0
  9674  		y := v_1
  9675  		if !(!shiftIsBounded(v)) {
  9676  			break
  9677  		}
  9678  		v.reset(Op386SARW)
  9679  		v.Type = t
  9680  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9681  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9682  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9683  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9684  		v3.AuxInt = int32ToAuxInt(16)
  9685  		v3.AddArg(y)
  9686  		v2.AddArg(v3)
  9687  		v1.AddArg(v2)
  9688  		v0.AddArg2(y, v1)
  9689  		v.AddArg2(x, v0)
  9690  		return true
  9691  	}
  9692  	// match: (Rsh16x32 <t> x y)
  9693  	// cond: shiftIsBounded(v)
  9694  	// result: (SARW x y)
  9695  	for {
  9696  		x := v_0
  9697  		y := v_1
  9698  		if !(shiftIsBounded(v)) {
  9699  			break
  9700  		}
  9701  		v.reset(Op386SARW)
  9702  		v.AddArg2(x, y)
  9703  		return true
  9704  	}
  9705  	return false
  9706  }
  9707  func rewriteValue386_OpRsh16x64(v *Value) bool {
  9708  	v_1 := v.Args[1]
  9709  	v_0 := v.Args[0]
  9710  	// match: (Rsh16x64 x (Const64 [c]))
  9711  	// cond: uint64(c) < 16
  9712  	// result: (SARWconst x [int16(c)])
  9713  	for {
  9714  		x := v_0
  9715  		if v_1.Op != OpConst64 {
  9716  			break
  9717  		}
  9718  		c := auxIntToInt64(v_1.AuxInt)
  9719  		if !(uint64(c) < 16) {
  9720  			break
  9721  		}
  9722  		v.reset(Op386SARWconst)
  9723  		v.AuxInt = int16ToAuxInt(int16(c))
  9724  		v.AddArg(x)
  9725  		return true
  9726  	}
  9727  	// match: (Rsh16x64 x (Const64 [c]))
  9728  	// cond: uint64(c) >= 16
  9729  	// result: (SARWconst x [15])
  9730  	for {
  9731  		x := v_0
  9732  		if v_1.Op != OpConst64 {
  9733  			break
  9734  		}
  9735  		c := auxIntToInt64(v_1.AuxInt)
  9736  		if !(uint64(c) >= 16) {
  9737  			break
  9738  		}
  9739  		v.reset(Op386SARWconst)
  9740  		v.AuxInt = int16ToAuxInt(15)
  9741  		v.AddArg(x)
  9742  		return true
  9743  	}
  9744  	return false
  9745  }
  9746  func rewriteValue386_OpRsh16x8(v *Value) bool {
  9747  	v_1 := v.Args[1]
  9748  	v_0 := v.Args[0]
  9749  	b := v.Block
  9750  	// match: (Rsh16x8 <t> x y)
  9751  	// cond: !shiftIsBounded(v)
  9752  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [16])))))
  9753  	for {
  9754  		t := v.Type
  9755  		x := v_0
  9756  		y := v_1
  9757  		if !(!shiftIsBounded(v)) {
  9758  			break
  9759  		}
  9760  		v.reset(Op386SARW)
  9761  		v.Type = t
  9762  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9763  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9764  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9765  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9766  		v3.AuxInt = int8ToAuxInt(16)
  9767  		v3.AddArg(y)
  9768  		v2.AddArg(v3)
  9769  		v1.AddArg(v2)
  9770  		v0.AddArg2(y, v1)
  9771  		v.AddArg2(x, v0)
  9772  		return true
  9773  	}
  9774  	// match: (Rsh16x8 <t> x y)
  9775  	// cond: shiftIsBounded(v)
  9776  	// result: (SARW x y)
  9777  	for {
  9778  		x := v_0
  9779  		y := v_1
  9780  		if !(shiftIsBounded(v)) {
  9781  			break
  9782  		}
  9783  		v.reset(Op386SARW)
  9784  		v.AddArg2(x, y)
  9785  		return true
  9786  	}
  9787  	return false
  9788  }
  9789  func rewriteValue386_OpRsh32Ux16(v *Value) bool {
  9790  	v_1 := v.Args[1]
  9791  	v_0 := v.Args[0]
  9792  	b := v.Block
  9793  	// match: (Rsh32Ux16 <t> x y)
  9794  	// cond: !shiftIsBounded(v)
  9795  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  9796  	for {
  9797  		t := v.Type
  9798  		x := v_0
  9799  		y := v_1
  9800  		if !(!shiftIsBounded(v)) {
  9801  			break
  9802  		}
  9803  		v.reset(Op386ANDL)
  9804  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9805  		v0.AddArg2(x, y)
  9806  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9807  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9808  		v2.AuxInt = int16ToAuxInt(32)
  9809  		v2.AddArg(y)
  9810  		v1.AddArg(v2)
  9811  		v.AddArg2(v0, v1)
  9812  		return true
  9813  	}
  9814  	// match: (Rsh32Ux16 <t> x y)
  9815  	// cond: shiftIsBounded(v)
  9816  	// result: (SHRL <t> x y)
  9817  	for {
  9818  		t := v.Type
  9819  		x := v_0
  9820  		y := v_1
  9821  		if !(shiftIsBounded(v)) {
  9822  			break
  9823  		}
  9824  		v.reset(Op386SHRL)
  9825  		v.Type = t
  9826  		v.AddArg2(x, y)
  9827  		return true
  9828  	}
  9829  	return false
  9830  }
  9831  func rewriteValue386_OpRsh32Ux32(v *Value) bool {
  9832  	v_1 := v.Args[1]
  9833  	v_0 := v.Args[0]
  9834  	b := v.Block
  9835  	// match: (Rsh32Ux32 <t> x y)
  9836  	// cond: !shiftIsBounded(v)
  9837  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  9838  	for {
  9839  		t := v.Type
  9840  		x := v_0
  9841  		y := v_1
  9842  		if !(!shiftIsBounded(v)) {
  9843  			break
  9844  		}
  9845  		v.reset(Op386ANDL)
  9846  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9847  		v0.AddArg2(x, y)
  9848  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9849  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9850  		v2.AuxInt = int32ToAuxInt(32)
  9851  		v2.AddArg(y)
  9852  		v1.AddArg(v2)
  9853  		v.AddArg2(v0, v1)
  9854  		return true
  9855  	}
  9856  	// match: (Rsh32Ux32 <t> x y)
  9857  	// cond: shiftIsBounded(v)
  9858  	// result: (SHRL <t> x y)
  9859  	for {
  9860  		t := v.Type
  9861  		x := v_0
  9862  		y := v_1
  9863  		if !(shiftIsBounded(v)) {
  9864  			break
  9865  		}
  9866  		v.reset(Op386SHRL)
  9867  		v.Type = t
  9868  		v.AddArg2(x, y)
  9869  		return true
  9870  	}
  9871  	return false
  9872  }
  9873  func rewriteValue386_OpRsh32Ux64(v *Value) bool {
  9874  	v_1 := v.Args[1]
  9875  	v_0 := v.Args[0]
  9876  	// match: (Rsh32Ux64 x (Const64 [c]))
  9877  	// cond: uint64(c) < 32
  9878  	// result: (SHRLconst x [int32(c)])
  9879  	for {
  9880  		x := v_0
  9881  		if v_1.Op != OpConst64 {
  9882  			break
  9883  		}
  9884  		c := auxIntToInt64(v_1.AuxInt)
  9885  		if !(uint64(c) < 32) {
  9886  			break
  9887  		}
  9888  		v.reset(Op386SHRLconst)
  9889  		v.AuxInt = int32ToAuxInt(int32(c))
  9890  		v.AddArg(x)
  9891  		return true
  9892  	}
  9893  	// match: (Rsh32Ux64 _ (Const64 [c]))
  9894  	// cond: uint64(c) >= 32
  9895  	// result: (Const32 [0])
  9896  	for {
  9897  		if v_1.Op != OpConst64 {
  9898  			break
  9899  		}
  9900  		c := auxIntToInt64(v_1.AuxInt)
  9901  		if !(uint64(c) >= 32) {
  9902  			break
  9903  		}
  9904  		v.reset(OpConst32)
  9905  		v.AuxInt = int32ToAuxInt(0)
  9906  		return true
  9907  	}
  9908  	return false
  9909  }
  9910  func rewriteValue386_OpRsh32Ux8(v *Value) bool {
  9911  	v_1 := v.Args[1]
  9912  	v_0 := v.Args[0]
  9913  	b := v.Block
  9914  	// match: (Rsh32Ux8 <t> x y)
  9915  	// cond: !shiftIsBounded(v)
  9916  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  9917  	for {
  9918  		t := v.Type
  9919  		x := v_0
  9920  		y := v_1
  9921  		if !(!shiftIsBounded(v)) {
  9922  			break
  9923  		}
  9924  		v.reset(Op386ANDL)
  9925  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9926  		v0.AddArg2(x, y)
  9927  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9928  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9929  		v2.AuxInt = int8ToAuxInt(32)
  9930  		v2.AddArg(y)
  9931  		v1.AddArg(v2)
  9932  		v.AddArg2(v0, v1)
  9933  		return true
  9934  	}
  9935  	// match: (Rsh32Ux8 <t> x y)
  9936  	// cond: shiftIsBounded(v)
  9937  	// result: (SHRL <t> x y)
  9938  	for {
  9939  		t := v.Type
  9940  		x := v_0
  9941  		y := v_1
  9942  		if !(shiftIsBounded(v)) {
  9943  			break
  9944  		}
  9945  		v.reset(Op386SHRL)
  9946  		v.Type = t
  9947  		v.AddArg2(x, y)
  9948  		return true
  9949  	}
  9950  	return false
  9951  }
  9952  func rewriteValue386_OpRsh32x16(v *Value) bool {
  9953  	v_1 := v.Args[1]
  9954  	v_0 := v.Args[0]
  9955  	b := v.Block
  9956  	// match: (Rsh32x16 <t> x y)
  9957  	// cond: !shiftIsBounded(v)
  9958  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [32])))))
  9959  	for {
  9960  		t := v.Type
  9961  		x := v_0
  9962  		y := v_1
  9963  		if !(!shiftIsBounded(v)) {
  9964  			break
  9965  		}
  9966  		v.reset(Op386SARL)
  9967  		v.Type = t
  9968  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9969  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9970  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9971  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9972  		v3.AuxInt = int16ToAuxInt(32)
  9973  		v3.AddArg(y)
  9974  		v2.AddArg(v3)
  9975  		v1.AddArg(v2)
  9976  		v0.AddArg2(y, v1)
  9977  		v.AddArg2(x, v0)
  9978  		return true
  9979  	}
  9980  	// match: (Rsh32x16 <t> x y)
  9981  	// cond: shiftIsBounded(v)
  9982  	// result: (SARL x y)
  9983  	for {
  9984  		x := v_0
  9985  		y := v_1
  9986  		if !(shiftIsBounded(v)) {
  9987  			break
  9988  		}
  9989  		v.reset(Op386SARL)
  9990  		v.AddArg2(x, y)
  9991  		return true
  9992  	}
  9993  	return false
  9994  }
  9995  func rewriteValue386_OpRsh32x32(v *Value) bool {
  9996  	v_1 := v.Args[1]
  9997  	v_0 := v.Args[0]
  9998  	b := v.Block
  9999  	// match: (Rsh32x32 <t> x y)
 10000  	// cond: !shiftIsBounded(v)
 10001  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [32])))))
 10002  	for {
 10003  		t := v.Type
 10004  		x := v_0
 10005  		y := v_1
 10006  		if !(!shiftIsBounded(v)) {
 10007  			break
 10008  		}
 10009  		v.reset(Op386SARL)
 10010  		v.Type = t
 10011  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10012  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10013  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10014  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10015  		v3.AuxInt = int32ToAuxInt(32)
 10016  		v3.AddArg(y)
 10017  		v2.AddArg(v3)
 10018  		v1.AddArg(v2)
 10019  		v0.AddArg2(y, v1)
 10020  		v.AddArg2(x, v0)
 10021  		return true
 10022  	}
 10023  	// match: (Rsh32x32 <t> x y)
 10024  	// cond: shiftIsBounded(v)
 10025  	// result: (SARL x y)
 10026  	for {
 10027  		x := v_0
 10028  		y := v_1
 10029  		if !(shiftIsBounded(v)) {
 10030  			break
 10031  		}
 10032  		v.reset(Op386SARL)
 10033  		v.AddArg2(x, y)
 10034  		return true
 10035  	}
 10036  	return false
 10037  }
 10038  func rewriteValue386_OpRsh32x64(v *Value) bool {
 10039  	v_1 := v.Args[1]
 10040  	v_0 := v.Args[0]
 10041  	// match: (Rsh32x64 x (Const64 [c]))
 10042  	// cond: uint64(c) < 32
 10043  	// result: (SARLconst x [int32(c)])
 10044  	for {
 10045  		x := v_0
 10046  		if v_1.Op != OpConst64 {
 10047  			break
 10048  		}
 10049  		c := auxIntToInt64(v_1.AuxInt)
 10050  		if !(uint64(c) < 32) {
 10051  			break
 10052  		}
 10053  		v.reset(Op386SARLconst)
 10054  		v.AuxInt = int32ToAuxInt(int32(c))
 10055  		v.AddArg(x)
 10056  		return true
 10057  	}
 10058  	// match: (Rsh32x64 x (Const64 [c]))
 10059  	// cond: uint64(c) >= 32
 10060  	// result: (SARLconst x [31])
 10061  	for {
 10062  		x := v_0
 10063  		if v_1.Op != OpConst64 {
 10064  			break
 10065  		}
 10066  		c := auxIntToInt64(v_1.AuxInt)
 10067  		if !(uint64(c) >= 32) {
 10068  			break
 10069  		}
 10070  		v.reset(Op386SARLconst)
 10071  		v.AuxInt = int32ToAuxInt(31)
 10072  		v.AddArg(x)
 10073  		return true
 10074  	}
 10075  	return false
 10076  }
 10077  func rewriteValue386_OpRsh32x8(v *Value) bool {
 10078  	v_1 := v.Args[1]
 10079  	v_0 := v.Args[0]
 10080  	b := v.Block
 10081  	// match: (Rsh32x8 <t> x y)
 10082  	// cond: !shiftIsBounded(v)
 10083  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [32])))))
 10084  	for {
 10085  		t := v.Type
 10086  		x := v_0
 10087  		y := v_1
 10088  		if !(!shiftIsBounded(v)) {
 10089  			break
 10090  		}
 10091  		v.reset(Op386SARL)
 10092  		v.Type = t
 10093  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10094  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10095  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10096  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10097  		v3.AuxInt = int8ToAuxInt(32)
 10098  		v3.AddArg(y)
 10099  		v2.AddArg(v3)
 10100  		v1.AddArg(v2)
 10101  		v0.AddArg2(y, v1)
 10102  		v.AddArg2(x, v0)
 10103  		return true
 10104  	}
 10105  	// match: (Rsh32x8 <t> x y)
 10106  	// cond: shiftIsBounded(v)
 10107  	// result: (SARL x y)
 10108  	for {
 10109  		x := v_0
 10110  		y := v_1
 10111  		if !(shiftIsBounded(v)) {
 10112  			break
 10113  		}
 10114  		v.reset(Op386SARL)
 10115  		v.AddArg2(x, y)
 10116  		return true
 10117  	}
 10118  	return false
 10119  }
 10120  func rewriteValue386_OpRsh8Ux16(v *Value) bool {
 10121  	v_1 := v.Args[1]
 10122  	v_0 := v.Args[0]
 10123  	b := v.Block
 10124  	// match: (Rsh8Ux16 <t> x y)
 10125  	// cond: !shiftIsBounded(v)
 10126  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPWconst y [8])))
 10127  	for {
 10128  		t := v.Type
 10129  		x := v_0
 10130  		y := v_1
 10131  		if !(!shiftIsBounded(v)) {
 10132  			break
 10133  		}
 10134  		v.reset(Op386ANDL)
 10135  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10136  		v0.AddArg2(x, y)
 10137  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10138  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10139  		v2.AuxInt = int16ToAuxInt(8)
 10140  		v2.AddArg(y)
 10141  		v1.AddArg(v2)
 10142  		v.AddArg2(v0, v1)
 10143  		return true
 10144  	}
 10145  	// match: (Rsh8Ux16 <t> x y)
 10146  	// cond: shiftIsBounded(v)
 10147  	// result: (SHRB <t> x y)
 10148  	for {
 10149  		t := v.Type
 10150  		x := v_0
 10151  		y := v_1
 10152  		if !(shiftIsBounded(v)) {
 10153  			break
 10154  		}
 10155  		v.reset(Op386SHRB)
 10156  		v.Type = t
 10157  		v.AddArg2(x, y)
 10158  		return true
 10159  	}
 10160  	return false
 10161  }
 10162  func rewriteValue386_OpRsh8Ux32(v *Value) bool {
 10163  	v_1 := v.Args[1]
 10164  	v_0 := v.Args[0]
 10165  	b := v.Block
 10166  	// match: (Rsh8Ux32 <t> x y)
 10167  	// cond: !shiftIsBounded(v)
 10168  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPLconst y [8])))
 10169  	for {
 10170  		t := v.Type
 10171  		x := v_0
 10172  		y := v_1
 10173  		if !(!shiftIsBounded(v)) {
 10174  			break
 10175  		}
 10176  		v.reset(Op386ANDL)
 10177  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10178  		v0.AddArg2(x, y)
 10179  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10180  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10181  		v2.AuxInt = int32ToAuxInt(8)
 10182  		v2.AddArg(y)
 10183  		v1.AddArg(v2)
 10184  		v.AddArg2(v0, v1)
 10185  		return true
 10186  	}
 10187  	// match: (Rsh8Ux32 <t> x y)
 10188  	// cond: shiftIsBounded(v)
 10189  	// result: (SHRB <t> x y)
 10190  	for {
 10191  		t := v.Type
 10192  		x := v_0
 10193  		y := v_1
 10194  		if !(shiftIsBounded(v)) {
 10195  			break
 10196  		}
 10197  		v.reset(Op386SHRB)
 10198  		v.Type = t
 10199  		v.AddArg2(x, y)
 10200  		return true
 10201  	}
 10202  	return false
 10203  }
 10204  func rewriteValue386_OpRsh8Ux64(v *Value) bool {
 10205  	v_1 := v.Args[1]
 10206  	v_0 := v.Args[0]
 10207  	// match: (Rsh8Ux64 x (Const64 [c]))
 10208  	// cond: uint64(c) < 8
 10209  	// result: (SHRBconst x [int8(c)])
 10210  	for {
 10211  		x := v_0
 10212  		if v_1.Op != OpConst64 {
 10213  			break
 10214  		}
 10215  		c := auxIntToInt64(v_1.AuxInt)
 10216  		if !(uint64(c) < 8) {
 10217  			break
 10218  		}
 10219  		v.reset(Op386SHRBconst)
 10220  		v.AuxInt = int8ToAuxInt(int8(c))
 10221  		v.AddArg(x)
 10222  		return true
 10223  	}
 10224  	// match: (Rsh8Ux64 _ (Const64 [c]))
 10225  	// cond: uint64(c) >= 8
 10226  	// result: (Const8 [0])
 10227  	for {
 10228  		if v_1.Op != OpConst64 {
 10229  			break
 10230  		}
 10231  		c := auxIntToInt64(v_1.AuxInt)
 10232  		if !(uint64(c) >= 8) {
 10233  			break
 10234  		}
 10235  		v.reset(OpConst8)
 10236  		v.AuxInt = int8ToAuxInt(0)
 10237  		return true
 10238  	}
 10239  	return false
 10240  }
 10241  func rewriteValue386_OpRsh8Ux8(v *Value) bool {
 10242  	v_1 := v.Args[1]
 10243  	v_0 := v.Args[0]
 10244  	b := v.Block
 10245  	// match: (Rsh8Ux8 <t> x y)
 10246  	// cond: !shiftIsBounded(v)
 10247  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPBconst y [8])))
 10248  	for {
 10249  		t := v.Type
 10250  		x := v_0
 10251  		y := v_1
 10252  		if !(!shiftIsBounded(v)) {
 10253  			break
 10254  		}
 10255  		v.reset(Op386ANDL)
 10256  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10257  		v0.AddArg2(x, y)
 10258  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10259  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10260  		v2.AuxInt = int8ToAuxInt(8)
 10261  		v2.AddArg(y)
 10262  		v1.AddArg(v2)
 10263  		v.AddArg2(v0, v1)
 10264  		return true
 10265  	}
 10266  	// match: (Rsh8Ux8 <t> x y)
 10267  	// cond: shiftIsBounded(v)
 10268  	// result: (SHRB <t> x y)
 10269  	for {
 10270  		t := v.Type
 10271  		x := v_0
 10272  		y := v_1
 10273  		if !(shiftIsBounded(v)) {
 10274  			break
 10275  		}
 10276  		v.reset(Op386SHRB)
 10277  		v.Type = t
 10278  		v.AddArg2(x, y)
 10279  		return true
 10280  	}
 10281  	return false
 10282  }
 10283  func rewriteValue386_OpRsh8x16(v *Value) bool {
 10284  	v_1 := v.Args[1]
 10285  	v_0 := v.Args[0]
 10286  	b := v.Block
 10287  	// match: (Rsh8x16 <t> x y)
 10288  	// cond: !shiftIsBounded(v)
 10289  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [8])))))
 10290  	for {
 10291  		t := v.Type
 10292  		x := v_0
 10293  		y := v_1
 10294  		if !(!shiftIsBounded(v)) {
 10295  			break
 10296  		}
 10297  		v.reset(Op386SARB)
 10298  		v.Type = t
 10299  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10300  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10301  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10302  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10303  		v3.AuxInt = int16ToAuxInt(8)
 10304  		v3.AddArg(y)
 10305  		v2.AddArg(v3)
 10306  		v1.AddArg(v2)
 10307  		v0.AddArg2(y, v1)
 10308  		v.AddArg2(x, v0)
 10309  		return true
 10310  	}
 10311  	// match: (Rsh8x16 <t> x y)
 10312  	// cond: shiftIsBounded(v)
 10313  	// result: (SARB x y)
 10314  	for {
 10315  		x := v_0
 10316  		y := v_1
 10317  		if !(shiftIsBounded(v)) {
 10318  			break
 10319  		}
 10320  		v.reset(Op386SARB)
 10321  		v.AddArg2(x, y)
 10322  		return true
 10323  	}
 10324  	return false
 10325  }
 10326  func rewriteValue386_OpRsh8x32(v *Value) bool {
 10327  	v_1 := v.Args[1]
 10328  	v_0 := v.Args[0]
 10329  	b := v.Block
 10330  	// match: (Rsh8x32 <t> x y)
 10331  	// cond: !shiftIsBounded(v)
 10332  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [8])))))
 10333  	for {
 10334  		t := v.Type
 10335  		x := v_0
 10336  		y := v_1
 10337  		if !(!shiftIsBounded(v)) {
 10338  			break
 10339  		}
 10340  		v.reset(Op386SARB)
 10341  		v.Type = t
 10342  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10343  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10344  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10345  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10346  		v3.AuxInt = int32ToAuxInt(8)
 10347  		v3.AddArg(y)
 10348  		v2.AddArg(v3)
 10349  		v1.AddArg(v2)
 10350  		v0.AddArg2(y, v1)
 10351  		v.AddArg2(x, v0)
 10352  		return true
 10353  	}
 10354  	// match: (Rsh8x32 <t> x y)
 10355  	// cond: shiftIsBounded(v)
 10356  	// result: (SARB x y)
 10357  	for {
 10358  		x := v_0
 10359  		y := v_1
 10360  		if !(shiftIsBounded(v)) {
 10361  			break
 10362  		}
 10363  		v.reset(Op386SARB)
 10364  		v.AddArg2(x, y)
 10365  		return true
 10366  	}
 10367  	return false
 10368  }
 10369  func rewriteValue386_OpRsh8x64(v *Value) bool {
 10370  	v_1 := v.Args[1]
 10371  	v_0 := v.Args[0]
 10372  	// match: (Rsh8x64 x (Const64 [c]))
 10373  	// cond: uint64(c) < 8
 10374  	// result: (SARBconst x [int8(c)])
 10375  	for {
 10376  		x := v_0
 10377  		if v_1.Op != OpConst64 {
 10378  			break
 10379  		}
 10380  		c := auxIntToInt64(v_1.AuxInt)
 10381  		if !(uint64(c) < 8) {
 10382  			break
 10383  		}
 10384  		v.reset(Op386SARBconst)
 10385  		v.AuxInt = int8ToAuxInt(int8(c))
 10386  		v.AddArg(x)
 10387  		return true
 10388  	}
 10389  	// match: (Rsh8x64 x (Const64 [c]))
 10390  	// cond: uint64(c) >= 8
 10391  	// result: (SARBconst x [7])
 10392  	for {
 10393  		x := v_0
 10394  		if v_1.Op != OpConst64 {
 10395  			break
 10396  		}
 10397  		c := auxIntToInt64(v_1.AuxInt)
 10398  		if !(uint64(c) >= 8) {
 10399  			break
 10400  		}
 10401  		v.reset(Op386SARBconst)
 10402  		v.AuxInt = int8ToAuxInt(7)
 10403  		v.AddArg(x)
 10404  		return true
 10405  	}
 10406  	return false
 10407  }
 10408  func rewriteValue386_OpRsh8x8(v *Value) bool {
 10409  	v_1 := v.Args[1]
 10410  	v_0 := v.Args[0]
 10411  	b := v.Block
 10412  	// match: (Rsh8x8 <t> x y)
 10413  	// cond: !shiftIsBounded(v)
 10414  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [8])))))
 10415  	for {
 10416  		t := v.Type
 10417  		x := v_0
 10418  		y := v_1
 10419  		if !(!shiftIsBounded(v)) {
 10420  			break
 10421  		}
 10422  		v.reset(Op386SARB)
 10423  		v.Type = t
 10424  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10425  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10426  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10427  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10428  		v3.AuxInt = int8ToAuxInt(8)
 10429  		v3.AddArg(y)
 10430  		v2.AddArg(v3)
 10431  		v1.AddArg(v2)
 10432  		v0.AddArg2(y, v1)
 10433  		v.AddArg2(x, v0)
 10434  		return true
 10435  	}
 10436  	// match: (Rsh8x8 <t> x y)
 10437  	// cond: shiftIsBounded(v)
 10438  	// result: (SARB x y)
 10439  	for {
 10440  		x := v_0
 10441  		y := v_1
 10442  		if !(shiftIsBounded(v)) {
 10443  			break
 10444  		}
 10445  		v.reset(Op386SARB)
 10446  		v.AddArg2(x, y)
 10447  		return true
 10448  	}
 10449  	return false
 10450  }
 10451  func rewriteValue386_OpSelect0(v *Value) bool {
 10452  	v_0 := v.Args[0]
 10453  	b := v.Block
 10454  	typ := &b.Func.Config.Types
 10455  	// match: (Select0 (Mul32uover x y))
 10456  	// result: (Select0 <typ.UInt32> (MULLU x y))
 10457  	for {
 10458  		if v_0.Op != OpMul32uover {
 10459  			break
 10460  		}
 10461  		y := v_0.Args[1]
 10462  		x := v_0.Args[0]
 10463  		v.reset(OpSelect0)
 10464  		v.Type = typ.UInt32
 10465  		v0 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 10466  		v0.AddArg2(x, y)
 10467  		v.AddArg(v0)
 10468  		return true
 10469  	}
 10470  	return false
 10471  }
 10472  func rewriteValue386_OpSelect1(v *Value) bool {
 10473  	v_0 := v.Args[0]
 10474  	b := v.Block
 10475  	typ := &b.Func.Config.Types
 10476  	// match: (Select1 (Mul32uover x y))
 10477  	// result: (SETO (Select1 <types.TypeFlags> (MULLU x y)))
 10478  	for {
 10479  		if v_0.Op != OpMul32uover {
 10480  			break
 10481  		}
 10482  		y := v_0.Args[1]
 10483  		x := v_0.Args[0]
 10484  		v.reset(Op386SETO)
 10485  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 10486  		v1 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 10487  		v1.AddArg2(x, y)
 10488  		v0.AddArg(v1)
 10489  		v.AddArg(v0)
 10490  		return true
 10491  	}
 10492  	return false
 10493  }
 10494  func rewriteValue386_OpSignmask(v *Value) bool {
 10495  	v_0 := v.Args[0]
 10496  	// match: (Signmask x)
 10497  	// result: (SARLconst x [31])
 10498  	for {
 10499  		x := v_0
 10500  		v.reset(Op386SARLconst)
 10501  		v.AuxInt = int32ToAuxInt(31)
 10502  		v.AddArg(x)
 10503  		return true
 10504  	}
 10505  }
 10506  func rewriteValue386_OpSlicemask(v *Value) bool {
 10507  	v_0 := v.Args[0]
 10508  	b := v.Block
 10509  	// match: (Slicemask <t> x)
 10510  	// result: (SARLconst (NEGL <t> x) [31])
 10511  	for {
 10512  		t := v.Type
 10513  		x := v_0
 10514  		v.reset(Op386SARLconst)
 10515  		v.AuxInt = int32ToAuxInt(31)
 10516  		v0 := b.NewValue0(v.Pos, Op386NEGL, t)
 10517  		v0.AddArg(x)
 10518  		v.AddArg(v0)
 10519  		return true
 10520  	}
 10521  }
 10522  func rewriteValue386_OpStore(v *Value) bool {
 10523  	v_2 := v.Args[2]
 10524  	v_1 := v.Args[1]
 10525  	v_0 := v.Args[0]
 10526  	// match: (Store {t} ptr val mem)
 10527  	// cond: t.Size() == 8 && t.IsFloat()
 10528  	// result: (MOVSDstore ptr val mem)
 10529  	for {
 10530  		t := auxToType(v.Aux)
 10531  		ptr := v_0
 10532  		val := v_1
 10533  		mem := v_2
 10534  		if !(t.Size() == 8 && t.IsFloat()) {
 10535  			break
 10536  		}
 10537  		v.reset(Op386MOVSDstore)
 10538  		v.AddArg3(ptr, val, mem)
 10539  		return true
 10540  	}
 10541  	// match: (Store {t} ptr val mem)
 10542  	// cond: t.Size() == 4 && t.IsFloat()
 10543  	// result: (MOVSSstore ptr val mem)
 10544  	for {
 10545  		t := auxToType(v.Aux)
 10546  		ptr := v_0
 10547  		val := v_1
 10548  		mem := v_2
 10549  		if !(t.Size() == 4 && t.IsFloat()) {
 10550  			break
 10551  		}
 10552  		v.reset(Op386MOVSSstore)
 10553  		v.AddArg3(ptr, val, mem)
 10554  		return true
 10555  	}
 10556  	// match: (Store {t} ptr val mem)
 10557  	// cond: t.Size() == 4 && !t.IsFloat()
 10558  	// result: (MOVLstore ptr val mem)
 10559  	for {
 10560  		t := auxToType(v.Aux)
 10561  		ptr := v_0
 10562  		val := v_1
 10563  		mem := v_2
 10564  		if !(t.Size() == 4 && !t.IsFloat()) {
 10565  			break
 10566  		}
 10567  		v.reset(Op386MOVLstore)
 10568  		v.AddArg3(ptr, val, mem)
 10569  		return true
 10570  	}
 10571  	// match: (Store {t} ptr val mem)
 10572  	// cond: t.Size() == 2
 10573  	// result: (MOVWstore ptr val mem)
 10574  	for {
 10575  		t := auxToType(v.Aux)
 10576  		ptr := v_0
 10577  		val := v_1
 10578  		mem := v_2
 10579  		if !(t.Size() == 2) {
 10580  			break
 10581  		}
 10582  		v.reset(Op386MOVWstore)
 10583  		v.AddArg3(ptr, val, mem)
 10584  		return true
 10585  	}
 10586  	// match: (Store {t} ptr val mem)
 10587  	// cond: t.Size() == 1
 10588  	// result: (MOVBstore ptr val mem)
 10589  	for {
 10590  		t := auxToType(v.Aux)
 10591  		ptr := v_0
 10592  		val := v_1
 10593  		mem := v_2
 10594  		if !(t.Size() == 1) {
 10595  			break
 10596  		}
 10597  		v.reset(Op386MOVBstore)
 10598  		v.AddArg3(ptr, val, mem)
 10599  		return true
 10600  	}
 10601  	return false
 10602  }
 10603  func rewriteValue386_OpZero(v *Value) bool {
 10604  	v_1 := v.Args[1]
 10605  	v_0 := v.Args[0]
 10606  	b := v.Block
 10607  	typ := &b.Func.Config.Types
 10608  	// match: (Zero [0] _ mem)
 10609  	// result: mem
 10610  	for {
 10611  		if auxIntToInt64(v.AuxInt) != 0 {
 10612  			break
 10613  		}
 10614  		mem := v_1
 10615  		v.copyOf(mem)
 10616  		return true
 10617  	}
 10618  	// match: (Zero [1] destptr mem)
 10619  	// result: (MOVBstoreconst [0] destptr mem)
 10620  	for {
 10621  		if auxIntToInt64(v.AuxInt) != 1 {
 10622  			break
 10623  		}
 10624  		destptr := v_0
 10625  		mem := v_1
 10626  		v.reset(Op386MOVBstoreconst)
 10627  		v.AuxInt = valAndOffToAuxInt(0)
 10628  		v.AddArg2(destptr, mem)
 10629  		return true
 10630  	}
 10631  	// match: (Zero [2] destptr mem)
 10632  	// result: (MOVWstoreconst [0] destptr mem)
 10633  	for {
 10634  		if auxIntToInt64(v.AuxInt) != 2 {
 10635  			break
 10636  		}
 10637  		destptr := v_0
 10638  		mem := v_1
 10639  		v.reset(Op386MOVWstoreconst)
 10640  		v.AuxInt = valAndOffToAuxInt(0)
 10641  		v.AddArg2(destptr, mem)
 10642  		return true
 10643  	}
 10644  	// match: (Zero [4] destptr mem)
 10645  	// result: (MOVLstoreconst [0] destptr mem)
 10646  	for {
 10647  		if auxIntToInt64(v.AuxInt) != 4 {
 10648  			break
 10649  		}
 10650  		destptr := v_0
 10651  		mem := v_1
 10652  		v.reset(Op386MOVLstoreconst)
 10653  		v.AuxInt = valAndOffToAuxInt(0)
 10654  		v.AddArg2(destptr, mem)
 10655  		return true
 10656  	}
 10657  	// match: (Zero [3] destptr mem)
 10658  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr (MOVWstoreconst [makeValAndOff(0,0)] destptr mem))
 10659  	for {
 10660  		if auxIntToInt64(v.AuxInt) != 3 {
 10661  			break
 10662  		}
 10663  		destptr := v_0
 10664  		mem := v_1
 10665  		v.reset(Op386MOVBstoreconst)
 10666  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 2))
 10667  		v0 := b.NewValue0(v.Pos, Op386MOVWstoreconst, types.TypeMem)
 10668  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10669  		v0.AddArg2(destptr, mem)
 10670  		v.AddArg2(destptr, v0)
 10671  		return true
 10672  	}
 10673  	// match: (Zero [5] destptr mem)
 10674  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10675  	for {
 10676  		if auxIntToInt64(v.AuxInt) != 5 {
 10677  			break
 10678  		}
 10679  		destptr := v_0
 10680  		mem := v_1
 10681  		v.reset(Op386MOVBstoreconst)
 10682  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10683  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10684  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10685  		v0.AddArg2(destptr, mem)
 10686  		v.AddArg2(destptr, v0)
 10687  		return true
 10688  	}
 10689  	// match: (Zero [6] destptr mem)
 10690  	// result: (MOVWstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10691  	for {
 10692  		if auxIntToInt64(v.AuxInt) != 6 {
 10693  			break
 10694  		}
 10695  		destptr := v_0
 10696  		mem := v_1
 10697  		v.reset(Op386MOVWstoreconst)
 10698  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10699  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10700  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10701  		v0.AddArg2(destptr, mem)
 10702  		v.AddArg2(destptr, v0)
 10703  		return true
 10704  	}
 10705  	// match: (Zero [7] destptr mem)
 10706  	// result: (MOVLstoreconst [makeValAndOff(0,3)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10707  	for {
 10708  		if auxIntToInt64(v.AuxInt) != 7 {
 10709  			break
 10710  		}
 10711  		destptr := v_0
 10712  		mem := v_1
 10713  		v.reset(Op386MOVLstoreconst)
 10714  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 3))
 10715  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10716  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10717  		v0.AddArg2(destptr, mem)
 10718  		v.AddArg2(destptr, v0)
 10719  		return true
 10720  	}
 10721  	// match: (Zero [s] destptr mem)
 10722  	// cond: s%4 != 0 && s > 4
 10723  	// result: (Zero [s-s%4] (ADDLconst destptr [int32(s%4)]) (MOVLstoreconst [0] destptr mem))
 10724  	for {
 10725  		s := auxIntToInt64(v.AuxInt)
 10726  		destptr := v_0
 10727  		mem := v_1
 10728  		if !(s%4 != 0 && s > 4) {
 10729  			break
 10730  		}
 10731  		v.reset(OpZero)
 10732  		v.AuxInt = int64ToAuxInt(s - s%4)
 10733  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, typ.UInt32)
 10734  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
 10735  		v0.AddArg(destptr)
 10736  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10737  		v1.AuxInt = valAndOffToAuxInt(0)
 10738  		v1.AddArg2(destptr, mem)
 10739  		v.AddArg2(v0, v1)
 10740  		return true
 10741  	}
 10742  	// match: (Zero [8] destptr mem)
 10743  	// result: (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10744  	for {
 10745  		if auxIntToInt64(v.AuxInt) != 8 {
 10746  			break
 10747  		}
 10748  		destptr := v_0
 10749  		mem := v_1
 10750  		v.reset(Op386MOVLstoreconst)
 10751  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10752  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10753  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10754  		v0.AddArg2(destptr, mem)
 10755  		v.AddArg2(destptr, v0)
 10756  		return true
 10757  	}
 10758  	// match: (Zero [12] destptr mem)
 10759  	// result: (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem)))
 10760  	for {
 10761  		if auxIntToInt64(v.AuxInt) != 12 {
 10762  			break
 10763  		}
 10764  		destptr := v_0
 10765  		mem := v_1
 10766  		v.reset(Op386MOVLstoreconst)
 10767  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 10768  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10769  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10770  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10771  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10772  		v1.AddArg2(destptr, mem)
 10773  		v0.AddArg2(destptr, v1)
 10774  		v.AddArg2(destptr, v0)
 10775  		return true
 10776  	}
 10777  	// match: (Zero [16] destptr mem)
 10778  	// result: (MOVLstoreconst [makeValAndOff(0,12)] destptr (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))))
 10779  	for {
 10780  		if auxIntToInt64(v.AuxInt) != 16 {
 10781  			break
 10782  		}
 10783  		destptr := v_0
 10784  		mem := v_1
 10785  		v.reset(Op386MOVLstoreconst)
 10786  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 12))
 10787  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10788  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 10789  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10790  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10791  		v2 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10792  		v2.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10793  		v2.AddArg2(destptr, mem)
 10794  		v1.AddArg2(destptr, v2)
 10795  		v0.AddArg2(destptr, v1)
 10796  		v.AddArg2(destptr, v0)
 10797  		return true
 10798  	}
 10799  	// match: (Zero [s] destptr mem)
 10800  	// cond: s > 16 && s <= 4*128 && s%4 == 0
 10801  	// result: (DUFFZERO [1*(128-s/4)] destptr (MOVLconst [0]) mem)
 10802  	for {
 10803  		s := auxIntToInt64(v.AuxInt)
 10804  		destptr := v_0
 10805  		mem := v_1
 10806  		if !(s > 16 && s <= 4*128 && s%4 == 0) {
 10807  			break
 10808  		}
 10809  		v.reset(Op386DUFFZERO)
 10810  		v.AuxInt = int64ToAuxInt(1 * (128 - s/4))
 10811  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10812  		v0.AuxInt = int32ToAuxInt(0)
 10813  		v.AddArg3(destptr, v0, mem)
 10814  		return true
 10815  	}
 10816  	// match: (Zero [s] destptr mem)
 10817  	// cond: s > 4*128 && s%4 == 0
 10818  	// result: (REPSTOSL destptr (MOVLconst [int32(s/4)]) (MOVLconst [0]) mem)
 10819  	for {
 10820  		s := auxIntToInt64(v.AuxInt)
 10821  		destptr := v_0
 10822  		mem := v_1
 10823  		if !(s > 4*128 && s%4 == 0) {
 10824  			break
 10825  		}
 10826  		v.reset(Op386REPSTOSL)
 10827  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10828  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
 10829  		v1 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10830  		v1.AuxInt = int32ToAuxInt(0)
 10831  		v.AddArg4(destptr, v0, v1, mem)
 10832  		return true
 10833  	}
 10834  	return false
 10835  }
 10836  func rewriteValue386_OpZeromask(v *Value) bool {
 10837  	v_0 := v.Args[0]
 10838  	b := v.Block
 10839  	// match: (Zeromask <t> x)
 10840  	// result: (XORLconst [-1] (SBBLcarrymask <t> (CMPLconst x [1])))
 10841  	for {
 10842  		t := v.Type
 10843  		x := v_0
 10844  		v.reset(Op386XORLconst)
 10845  		v.AuxInt = int32ToAuxInt(-1)
 10846  		v0 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10847  		v1 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10848  		v1.AuxInt = int32ToAuxInt(1)
 10849  		v1.AddArg(x)
 10850  		v0.AddArg(v1)
 10851  		v.AddArg(v0)
 10852  		return true
 10853  	}
 10854  }
 10855  func rewriteBlock386(b *Block) bool {
 10856  	switch b.Kind {
 10857  	case Block386EQ:
 10858  		// match: (EQ (InvertFlags cmp) yes no)
 10859  		// result: (EQ cmp yes no)
 10860  		for b.Controls[0].Op == Op386InvertFlags {
 10861  			v_0 := b.Controls[0]
 10862  			cmp := v_0.Args[0]
 10863  			b.resetWithControl(Block386EQ, cmp)
 10864  			return true
 10865  		}
 10866  		// match: (EQ (FlagEQ) yes no)
 10867  		// result: (First yes no)
 10868  		for b.Controls[0].Op == Op386FlagEQ {
 10869  			b.Reset(BlockFirst)
 10870  			return true
 10871  		}
 10872  		// match: (EQ (FlagLT_ULT) yes no)
 10873  		// result: (First no yes)
 10874  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10875  			b.Reset(BlockFirst)
 10876  			b.swapSuccessors()
 10877  			return true
 10878  		}
 10879  		// match: (EQ (FlagLT_UGT) yes no)
 10880  		// result: (First no yes)
 10881  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10882  			b.Reset(BlockFirst)
 10883  			b.swapSuccessors()
 10884  			return true
 10885  		}
 10886  		// match: (EQ (FlagGT_ULT) yes no)
 10887  		// result: (First no yes)
 10888  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10889  			b.Reset(BlockFirst)
 10890  			b.swapSuccessors()
 10891  			return true
 10892  		}
 10893  		// match: (EQ (FlagGT_UGT) yes no)
 10894  		// result: (First no yes)
 10895  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10896  			b.Reset(BlockFirst)
 10897  			b.swapSuccessors()
 10898  			return true
 10899  		}
 10900  	case Block386GE:
 10901  		// match: (GE (InvertFlags cmp) yes no)
 10902  		// result: (LE cmp yes no)
 10903  		for b.Controls[0].Op == Op386InvertFlags {
 10904  			v_0 := b.Controls[0]
 10905  			cmp := v_0.Args[0]
 10906  			b.resetWithControl(Block386LE, cmp)
 10907  			return true
 10908  		}
 10909  		// match: (GE (FlagEQ) yes no)
 10910  		// result: (First yes no)
 10911  		for b.Controls[0].Op == Op386FlagEQ {
 10912  			b.Reset(BlockFirst)
 10913  			return true
 10914  		}
 10915  		// match: (GE (FlagLT_ULT) yes no)
 10916  		// result: (First no yes)
 10917  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10918  			b.Reset(BlockFirst)
 10919  			b.swapSuccessors()
 10920  			return true
 10921  		}
 10922  		// match: (GE (FlagLT_UGT) yes no)
 10923  		// result: (First no yes)
 10924  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10925  			b.Reset(BlockFirst)
 10926  			b.swapSuccessors()
 10927  			return true
 10928  		}
 10929  		// match: (GE (FlagGT_ULT) yes no)
 10930  		// result: (First yes no)
 10931  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10932  			b.Reset(BlockFirst)
 10933  			return true
 10934  		}
 10935  		// match: (GE (FlagGT_UGT) yes no)
 10936  		// result: (First yes no)
 10937  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10938  			b.Reset(BlockFirst)
 10939  			return true
 10940  		}
 10941  	case Block386GT:
 10942  		// match: (GT (InvertFlags cmp) yes no)
 10943  		// result: (LT cmp yes no)
 10944  		for b.Controls[0].Op == Op386InvertFlags {
 10945  			v_0 := b.Controls[0]
 10946  			cmp := v_0.Args[0]
 10947  			b.resetWithControl(Block386LT, cmp)
 10948  			return true
 10949  		}
 10950  		// match: (GT (FlagEQ) yes no)
 10951  		// result: (First no yes)
 10952  		for b.Controls[0].Op == Op386FlagEQ {
 10953  			b.Reset(BlockFirst)
 10954  			b.swapSuccessors()
 10955  			return true
 10956  		}
 10957  		// match: (GT (FlagLT_ULT) yes no)
 10958  		// result: (First no yes)
 10959  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10960  			b.Reset(BlockFirst)
 10961  			b.swapSuccessors()
 10962  			return true
 10963  		}
 10964  		// match: (GT (FlagLT_UGT) yes no)
 10965  		// result: (First no yes)
 10966  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10967  			b.Reset(BlockFirst)
 10968  			b.swapSuccessors()
 10969  			return true
 10970  		}
 10971  		// match: (GT (FlagGT_ULT) yes no)
 10972  		// result: (First yes no)
 10973  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10974  			b.Reset(BlockFirst)
 10975  			return true
 10976  		}
 10977  		// match: (GT (FlagGT_UGT) yes no)
 10978  		// result: (First yes no)
 10979  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10980  			b.Reset(BlockFirst)
 10981  			return true
 10982  		}
 10983  	case BlockIf:
 10984  		// match: (If (SETL cmp) yes no)
 10985  		// result: (LT cmp yes no)
 10986  		for b.Controls[0].Op == Op386SETL {
 10987  			v_0 := b.Controls[0]
 10988  			cmp := v_0.Args[0]
 10989  			b.resetWithControl(Block386LT, cmp)
 10990  			return true
 10991  		}
 10992  		// match: (If (SETLE cmp) yes no)
 10993  		// result: (LE cmp yes no)
 10994  		for b.Controls[0].Op == Op386SETLE {
 10995  			v_0 := b.Controls[0]
 10996  			cmp := v_0.Args[0]
 10997  			b.resetWithControl(Block386LE, cmp)
 10998  			return true
 10999  		}
 11000  		// match: (If (SETG cmp) yes no)
 11001  		// result: (GT cmp yes no)
 11002  		for b.Controls[0].Op == Op386SETG {
 11003  			v_0 := b.Controls[0]
 11004  			cmp := v_0.Args[0]
 11005  			b.resetWithControl(Block386GT, cmp)
 11006  			return true
 11007  		}
 11008  		// match: (If (SETGE cmp) yes no)
 11009  		// result: (GE cmp yes no)
 11010  		for b.Controls[0].Op == Op386SETGE {
 11011  			v_0 := b.Controls[0]
 11012  			cmp := v_0.Args[0]
 11013  			b.resetWithControl(Block386GE, cmp)
 11014  			return true
 11015  		}
 11016  		// match: (If (SETEQ cmp) yes no)
 11017  		// result: (EQ cmp yes no)
 11018  		for b.Controls[0].Op == Op386SETEQ {
 11019  			v_0 := b.Controls[0]
 11020  			cmp := v_0.Args[0]
 11021  			b.resetWithControl(Block386EQ, cmp)
 11022  			return true
 11023  		}
 11024  		// match: (If (SETNE cmp) yes no)
 11025  		// result: (NE cmp yes no)
 11026  		for b.Controls[0].Op == Op386SETNE {
 11027  			v_0 := b.Controls[0]
 11028  			cmp := v_0.Args[0]
 11029  			b.resetWithControl(Block386NE, cmp)
 11030  			return true
 11031  		}
 11032  		// match: (If (SETB cmp) yes no)
 11033  		// result: (ULT cmp yes no)
 11034  		for b.Controls[0].Op == Op386SETB {
 11035  			v_0 := b.Controls[0]
 11036  			cmp := v_0.Args[0]
 11037  			b.resetWithControl(Block386ULT, cmp)
 11038  			return true
 11039  		}
 11040  		// match: (If (SETBE cmp) yes no)
 11041  		// result: (ULE cmp yes no)
 11042  		for b.Controls[0].Op == Op386SETBE {
 11043  			v_0 := b.Controls[0]
 11044  			cmp := v_0.Args[0]
 11045  			b.resetWithControl(Block386ULE, cmp)
 11046  			return true
 11047  		}
 11048  		// match: (If (SETA cmp) yes no)
 11049  		// result: (UGT cmp yes no)
 11050  		for b.Controls[0].Op == Op386SETA {
 11051  			v_0 := b.Controls[0]
 11052  			cmp := v_0.Args[0]
 11053  			b.resetWithControl(Block386UGT, cmp)
 11054  			return true
 11055  		}
 11056  		// match: (If (SETAE cmp) yes no)
 11057  		// result: (UGE cmp yes no)
 11058  		for b.Controls[0].Op == Op386SETAE {
 11059  			v_0 := b.Controls[0]
 11060  			cmp := v_0.Args[0]
 11061  			b.resetWithControl(Block386UGE, cmp)
 11062  			return true
 11063  		}
 11064  		// match: (If (SETO cmp) yes no)
 11065  		// result: (OS cmp yes no)
 11066  		for b.Controls[0].Op == Op386SETO {
 11067  			v_0 := b.Controls[0]
 11068  			cmp := v_0.Args[0]
 11069  			b.resetWithControl(Block386OS, cmp)
 11070  			return true
 11071  		}
 11072  		// match: (If (SETGF cmp) yes no)
 11073  		// result: (UGT cmp yes no)
 11074  		for b.Controls[0].Op == Op386SETGF {
 11075  			v_0 := b.Controls[0]
 11076  			cmp := v_0.Args[0]
 11077  			b.resetWithControl(Block386UGT, cmp)
 11078  			return true
 11079  		}
 11080  		// match: (If (SETGEF cmp) yes no)
 11081  		// result: (UGE cmp yes no)
 11082  		for b.Controls[0].Op == Op386SETGEF {
 11083  			v_0 := b.Controls[0]
 11084  			cmp := v_0.Args[0]
 11085  			b.resetWithControl(Block386UGE, cmp)
 11086  			return true
 11087  		}
 11088  		// match: (If (SETEQF cmp) yes no)
 11089  		// result: (EQF cmp yes no)
 11090  		for b.Controls[0].Op == Op386SETEQF {
 11091  			v_0 := b.Controls[0]
 11092  			cmp := v_0.Args[0]
 11093  			b.resetWithControl(Block386EQF, cmp)
 11094  			return true
 11095  		}
 11096  		// match: (If (SETNEF cmp) yes no)
 11097  		// result: (NEF cmp yes no)
 11098  		for b.Controls[0].Op == Op386SETNEF {
 11099  			v_0 := b.Controls[0]
 11100  			cmp := v_0.Args[0]
 11101  			b.resetWithControl(Block386NEF, cmp)
 11102  			return true
 11103  		}
 11104  		// match: (If cond yes no)
 11105  		// result: (NE (TESTB cond cond) yes no)
 11106  		for {
 11107  			cond := b.Controls[0]
 11108  			v0 := b.NewValue0(cond.Pos, Op386TESTB, types.TypeFlags)
 11109  			v0.AddArg2(cond, cond)
 11110  			b.resetWithControl(Block386NE, v0)
 11111  			return true
 11112  		}
 11113  	case Block386LE:
 11114  		// match: (LE (InvertFlags cmp) yes no)
 11115  		// result: (GE cmp yes no)
 11116  		for b.Controls[0].Op == Op386InvertFlags {
 11117  			v_0 := b.Controls[0]
 11118  			cmp := v_0.Args[0]
 11119  			b.resetWithControl(Block386GE, cmp)
 11120  			return true
 11121  		}
 11122  		// match: (LE (FlagEQ) yes no)
 11123  		// result: (First yes no)
 11124  		for b.Controls[0].Op == Op386FlagEQ {
 11125  			b.Reset(BlockFirst)
 11126  			return true
 11127  		}
 11128  		// match: (LE (FlagLT_ULT) yes no)
 11129  		// result: (First yes no)
 11130  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11131  			b.Reset(BlockFirst)
 11132  			return true
 11133  		}
 11134  		// match: (LE (FlagLT_UGT) yes no)
 11135  		// result: (First yes no)
 11136  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11137  			b.Reset(BlockFirst)
 11138  			return true
 11139  		}
 11140  		// match: (LE (FlagGT_ULT) yes no)
 11141  		// result: (First no yes)
 11142  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11143  			b.Reset(BlockFirst)
 11144  			b.swapSuccessors()
 11145  			return true
 11146  		}
 11147  		// match: (LE (FlagGT_UGT) yes no)
 11148  		// result: (First no yes)
 11149  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11150  			b.Reset(BlockFirst)
 11151  			b.swapSuccessors()
 11152  			return true
 11153  		}
 11154  	case Block386LT:
 11155  		// match: (LT (InvertFlags cmp) yes no)
 11156  		// result: (GT cmp yes no)
 11157  		for b.Controls[0].Op == Op386InvertFlags {
 11158  			v_0 := b.Controls[0]
 11159  			cmp := v_0.Args[0]
 11160  			b.resetWithControl(Block386GT, cmp)
 11161  			return true
 11162  		}
 11163  		// match: (LT (FlagEQ) yes no)
 11164  		// result: (First no yes)
 11165  		for b.Controls[0].Op == Op386FlagEQ {
 11166  			b.Reset(BlockFirst)
 11167  			b.swapSuccessors()
 11168  			return true
 11169  		}
 11170  		// match: (LT (FlagLT_ULT) yes no)
 11171  		// result: (First yes no)
 11172  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11173  			b.Reset(BlockFirst)
 11174  			return true
 11175  		}
 11176  		// match: (LT (FlagLT_UGT) yes no)
 11177  		// result: (First yes no)
 11178  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11179  			b.Reset(BlockFirst)
 11180  			return true
 11181  		}
 11182  		// match: (LT (FlagGT_ULT) yes no)
 11183  		// result: (First no yes)
 11184  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11185  			b.Reset(BlockFirst)
 11186  			b.swapSuccessors()
 11187  			return true
 11188  		}
 11189  		// match: (LT (FlagGT_UGT) yes no)
 11190  		// result: (First no yes)
 11191  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11192  			b.Reset(BlockFirst)
 11193  			b.swapSuccessors()
 11194  			return true
 11195  		}
 11196  	case Block386NE:
 11197  		// match: (NE (TESTB (SETL cmp) (SETL cmp)) yes no)
 11198  		// result: (LT cmp yes no)
 11199  		for b.Controls[0].Op == Op386TESTB {
 11200  			v_0 := b.Controls[0]
 11201  			_ = v_0.Args[1]
 11202  			v_0_0 := v_0.Args[0]
 11203  			if v_0_0.Op != Op386SETL {
 11204  				break
 11205  			}
 11206  			cmp := v_0_0.Args[0]
 11207  			v_0_1 := v_0.Args[1]
 11208  			if v_0_1.Op != Op386SETL || cmp != v_0_1.Args[0] {
 11209  				break
 11210  			}
 11211  			b.resetWithControl(Block386LT, cmp)
 11212  			return true
 11213  		}
 11214  		// match: (NE (TESTB (SETLE cmp) (SETLE cmp)) yes no)
 11215  		// result: (LE cmp yes no)
 11216  		for b.Controls[0].Op == Op386TESTB {
 11217  			v_0 := b.Controls[0]
 11218  			_ = v_0.Args[1]
 11219  			v_0_0 := v_0.Args[0]
 11220  			if v_0_0.Op != Op386SETLE {
 11221  				break
 11222  			}
 11223  			cmp := v_0_0.Args[0]
 11224  			v_0_1 := v_0.Args[1]
 11225  			if v_0_1.Op != Op386SETLE || cmp != v_0_1.Args[0] {
 11226  				break
 11227  			}
 11228  			b.resetWithControl(Block386LE, cmp)
 11229  			return true
 11230  		}
 11231  		// match: (NE (TESTB (SETG cmp) (SETG cmp)) yes no)
 11232  		// result: (GT cmp yes no)
 11233  		for b.Controls[0].Op == Op386TESTB {
 11234  			v_0 := b.Controls[0]
 11235  			_ = v_0.Args[1]
 11236  			v_0_0 := v_0.Args[0]
 11237  			if v_0_0.Op != Op386SETG {
 11238  				break
 11239  			}
 11240  			cmp := v_0_0.Args[0]
 11241  			v_0_1 := v_0.Args[1]
 11242  			if v_0_1.Op != Op386SETG || cmp != v_0_1.Args[0] {
 11243  				break
 11244  			}
 11245  			b.resetWithControl(Block386GT, cmp)
 11246  			return true
 11247  		}
 11248  		// match: (NE (TESTB (SETGE cmp) (SETGE cmp)) yes no)
 11249  		// result: (GE cmp yes no)
 11250  		for b.Controls[0].Op == Op386TESTB {
 11251  			v_0 := b.Controls[0]
 11252  			_ = v_0.Args[1]
 11253  			v_0_0 := v_0.Args[0]
 11254  			if v_0_0.Op != Op386SETGE {
 11255  				break
 11256  			}
 11257  			cmp := v_0_0.Args[0]
 11258  			v_0_1 := v_0.Args[1]
 11259  			if v_0_1.Op != Op386SETGE || cmp != v_0_1.Args[0] {
 11260  				break
 11261  			}
 11262  			b.resetWithControl(Block386GE, cmp)
 11263  			return true
 11264  		}
 11265  		// match: (NE (TESTB (SETEQ cmp) (SETEQ cmp)) yes no)
 11266  		// result: (EQ cmp yes no)
 11267  		for b.Controls[0].Op == Op386TESTB {
 11268  			v_0 := b.Controls[0]
 11269  			_ = v_0.Args[1]
 11270  			v_0_0 := v_0.Args[0]
 11271  			if v_0_0.Op != Op386SETEQ {
 11272  				break
 11273  			}
 11274  			cmp := v_0_0.Args[0]
 11275  			v_0_1 := v_0.Args[1]
 11276  			if v_0_1.Op != Op386SETEQ || cmp != v_0_1.Args[0] {
 11277  				break
 11278  			}
 11279  			b.resetWithControl(Block386EQ, cmp)
 11280  			return true
 11281  		}
 11282  		// match: (NE (TESTB (SETNE cmp) (SETNE cmp)) yes no)
 11283  		// result: (NE cmp yes no)
 11284  		for b.Controls[0].Op == Op386TESTB {
 11285  			v_0 := b.Controls[0]
 11286  			_ = v_0.Args[1]
 11287  			v_0_0 := v_0.Args[0]
 11288  			if v_0_0.Op != Op386SETNE {
 11289  				break
 11290  			}
 11291  			cmp := v_0_0.Args[0]
 11292  			v_0_1 := v_0.Args[1]
 11293  			if v_0_1.Op != Op386SETNE || cmp != v_0_1.Args[0] {
 11294  				break
 11295  			}
 11296  			b.resetWithControl(Block386NE, cmp)
 11297  			return true
 11298  		}
 11299  		// match: (NE (TESTB (SETB cmp) (SETB cmp)) yes no)
 11300  		// result: (ULT cmp yes no)
 11301  		for b.Controls[0].Op == Op386TESTB {
 11302  			v_0 := b.Controls[0]
 11303  			_ = v_0.Args[1]
 11304  			v_0_0 := v_0.Args[0]
 11305  			if v_0_0.Op != Op386SETB {
 11306  				break
 11307  			}
 11308  			cmp := v_0_0.Args[0]
 11309  			v_0_1 := v_0.Args[1]
 11310  			if v_0_1.Op != Op386SETB || cmp != v_0_1.Args[0] {
 11311  				break
 11312  			}
 11313  			b.resetWithControl(Block386ULT, cmp)
 11314  			return true
 11315  		}
 11316  		// match: (NE (TESTB (SETBE cmp) (SETBE cmp)) yes no)
 11317  		// result: (ULE cmp yes no)
 11318  		for b.Controls[0].Op == Op386TESTB {
 11319  			v_0 := b.Controls[0]
 11320  			_ = v_0.Args[1]
 11321  			v_0_0 := v_0.Args[0]
 11322  			if v_0_0.Op != Op386SETBE {
 11323  				break
 11324  			}
 11325  			cmp := v_0_0.Args[0]
 11326  			v_0_1 := v_0.Args[1]
 11327  			if v_0_1.Op != Op386SETBE || cmp != v_0_1.Args[0] {
 11328  				break
 11329  			}
 11330  			b.resetWithControl(Block386ULE, cmp)
 11331  			return true
 11332  		}
 11333  		// match: (NE (TESTB (SETA cmp) (SETA cmp)) yes no)
 11334  		// result: (UGT cmp yes no)
 11335  		for b.Controls[0].Op == Op386TESTB {
 11336  			v_0 := b.Controls[0]
 11337  			_ = v_0.Args[1]
 11338  			v_0_0 := v_0.Args[0]
 11339  			if v_0_0.Op != Op386SETA {
 11340  				break
 11341  			}
 11342  			cmp := v_0_0.Args[0]
 11343  			v_0_1 := v_0.Args[1]
 11344  			if v_0_1.Op != Op386SETA || cmp != v_0_1.Args[0] {
 11345  				break
 11346  			}
 11347  			b.resetWithControl(Block386UGT, cmp)
 11348  			return true
 11349  		}
 11350  		// match: (NE (TESTB (SETAE cmp) (SETAE cmp)) yes no)
 11351  		// result: (UGE cmp yes no)
 11352  		for b.Controls[0].Op == Op386TESTB {
 11353  			v_0 := b.Controls[0]
 11354  			_ = v_0.Args[1]
 11355  			v_0_0 := v_0.Args[0]
 11356  			if v_0_0.Op != Op386SETAE {
 11357  				break
 11358  			}
 11359  			cmp := v_0_0.Args[0]
 11360  			v_0_1 := v_0.Args[1]
 11361  			if v_0_1.Op != Op386SETAE || cmp != v_0_1.Args[0] {
 11362  				break
 11363  			}
 11364  			b.resetWithControl(Block386UGE, cmp)
 11365  			return true
 11366  		}
 11367  		// match: (NE (TESTB (SETO cmp) (SETO cmp)) yes no)
 11368  		// result: (OS cmp yes no)
 11369  		for b.Controls[0].Op == Op386TESTB {
 11370  			v_0 := b.Controls[0]
 11371  			_ = v_0.Args[1]
 11372  			v_0_0 := v_0.Args[0]
 11373  			if v_0_0.Op != Op386SETO {
 11374  				break
 11375  			}
 11376  			cmp := v_0_0.Args[0]
 11377  			v_0_1 := v_0.Args[1]
 11378  			if v_0_1.Op != Op386SETO || cmp != v_0_1.Args[0] {
 11379  				break
 11380  			}
 11381  			b.resetWithControl(Block386OS, cmp)
 11382  			return true
 11383  		}
 11384  		// match: (NE (TESTB (SETGF cmp) (SETGF cmp)) yes no)
 11385  		// result: (UGT cmp yes no)
 11386  		for b.Controls[0].Op == Op386TESTB {
 11387  			v_0 := b.Controls[0]
 11388  			_ = v_0.Args[1]
 11389  			v_0_0 := v_0.Args[0]
 11390  			if v_0_0.Op != Op386SETGF {
 11391  				break
 11392  			}
 11393  			cmp := v_0_0.Args[0]
 11394  			v_0_1 := v_0.Args[1]
 11395  			if v_0_1.Op != Op386SETGF || cmp != v_0_1.Args[0] {
 11396  				break
 11397  			}
 11398  			b.resetWithControl(Block386UGT, cmp)
 11399  			return true
 11400  		}
 11401  		// match: (NE (TESTB (SETGEF cmp) (SETGEF cmp)) yes no)
 11402  		// result: (UGE cmp yes no)
 11403  		for b.Controls[0].Op == Op386TESTB {
 11404  			v_0 := b.Controls[0]
 11405  			_ = v_0.Args[1]
 11406  			v_0_0 := v_0.Args[0]
 11407  			if v_0_0.Op != Op386SETGEF {
 11408  				break
 11409  			}
 11410  			cmp := v_0_0.Args[0]
 11411  			v_0_1 := v_0.Args[1]
 11412  			if v_0_1.Op != Op386SETGEF || cmp != v_0_1.Args[0] {
 11413  				break
 11414  			}
 11415  			b.resetWithControl(Block386UGE, cmp)
 11416  			return true
 11417  		}
 11418  		// match: (NE (TESTB (SETEQF cmp) (SETEQF cmp)) yes no)
 11419  		// result: (EQF cmp yes no)
 11420  		for b.Controls[0].Op == Op386TESTB {
 11421  			v_0 := b.Controls[0]
 11422  			_ = v_0.Args[1]
 11423  			v_0_0 := v_0.Args[0]
 11424  			if v_0_0.Op != Op386SETEQF {
 11425  				break
 11426  			}
 11427  			cmp := v_0_0.Args[0]
 11428  			v_0_1 := v_0.Args[1]
 11429  			if v_0_1.Op != Op386SETEQF || cmp != v_0_1.Args[0] {
 11430  				break
 11431  			}
 11432  			b.resetWithControl(Block386EQF, cmp)
 11433  			return true
 11434  		}
 11435  		// match: (NE (TESTB (SETNEF cmp) (SETNEF cmp)) yes no)
 11436  		// result: (NEF cmp yes no)
 11437  		for b.Controls[0].Op == Op386TESTB {
 11438  			v_0 := b.Controls[0]
 11439  			_ = v_0.Args[1]
 11440  			v_0_0 := v_0.Args[0]
 11441  			if v_0_0.Op != Op386SETNEF {
 11442  				break
 11443  			}
 11444  			cmp := v_0_0.Args[0]
 11445  			v_0_1 := v_0.Args[1]
 11446  			if v_0_1.Op != Op386SETNEF || cmp != v_0_1.Args[0] {
 11447  				break
 11448  			}
 11449  			b.resetWithControl(Block386NEF, cmp)
 11450  			return true
 11451  		}
 11452  		// match: (NE (InvertFlags cmp) yes no)
 11453  		// result: (NE cmp yes no)
 11454  		for b.Controls[0].Op == Op386InvertFlags {
 11455  			v_0 := b.Controls[0]
 11456  			cmp := v_0.Args[0]
 11457  			b.resetWithControl(Block386NE, cmp)
 11458  			return true
 11459  		}
 11460  		// match: (NE (FlagEQ) yes no)
 11461  		// result: (First no yes)
 11462  		for b.Controls[0].Op == Op386FlagEQ {
 11463  			b.Reset(BlockFirst)
 11464  			b.swapSuccessors()
 11465  			return true
 11466  		}
 11467  		// match: (NE (FlagLT_ULT) yes no)
 11468  		// result: (First yes no)
 11469  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11470  			b.Reset(BlockFirst)
 11471  			return true
 11472  		}
 11473  		// match: (NE (FlagLT_UGT) yes no)
 11474  		// result: (First yes no)
 11475  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11476  			b.Reset(BlockFirst)
 11477  			return true
 11478  		}
 11479  		// match: (NE (FlagGT_ULT) yes no)
 11480  		// result: (First yes no)
 11481  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11482  			b.Reset(BlockFirst)
 11483  			return true
 11484  		}
 11485  		// match: (NE (FlagGT_UGT) yes no)
 11486  		// result: (First yes no)
 11487  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11488  			b.Reset(BlockFirst)
 11489  			return true
 11490  		}
 11491  	case Block386UGE:
 11492  		// match: (UGE (InvertFlags cmp) yes no)
 11493  		// result: (ULE cmp yes no)
 11494  		for b.Controls[0].Op == Op386InvertFlags {
 11495  			v_0 := b.Controls[0]
 11496  			cmp := v_0.Args[0]
 11497  			b.resetWithControl(Block386ULE, cmp)
 11498  			return true
 11499  		}
 11500  		// match: (UGE (FlagEQ) yes no)
 11501  		// result: (First yes no)
 11502  		for b.Controls[0].Op == Op386FlagEQ {
 11503  			b.Reset(BlockFirst)
 11504  			return true
 11505  		}
 11506  		// match: (UGE (FlagLT_ULT) yes no)
 11507  		// result: (First no yes)
 11508  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11509  			b.Reset(BlockFirst)
 11510  			b.swapSuccessors()
 11511  			return true
 11512  		}
 11513  		// match: (UGE (FlagLT_UGT) yes no)
 11514  		// result: (First yes no)
 11515  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11516  			b.Reset(BlockFirst)
 11517  			return true
 11518  		}
 11519  		// match: (UGE (FlagGT_ULT) yes no)
 11520  		// result: (First no yes)
 11521  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11522  			b.Reset(BlockFirst)
 11523  			b.swapSuccessors()
 11524  			return true
 11525  		}
 11526  		// match: (UGE (FlagGT_UGT) yes no)
 11527  		// result: (First yes no)
 11528  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11529  			b.Reset(BlockFirst)
 11530  			return true
 11531  		}
 11532  	case Block386UGT:
 11533  		// match: (UGT (InvertFlags cmp) yes no)
 11534  		// result: (ULT cmp yes no)
 11535  		for b.Controls[0].Op == Op386InvertFlags {
 11536  			v_0 := b.Controls[0]
 11537  			cmp := v_0.Args[0]
 11538  			b.resetWithControl(Block386ULT, cmp)
 11539  			return true
 11540  		}
 11541  		// match: (UGT (FlagEQ) yes no)
 11542  		// result: (First no yes)
 11543  		for b.Controls[0].Op == Op386FlagEQ {
 11544  			b.Reset(BlockFirst)
 11545  			b.swapSuccessors()
 11546  			return true
 11547  		}
 11548  		// match: (UGT (FlagLT_ULT) yes no)
 11549  		// result: (First no yes)
 11550  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11551  			b.Reset(BlockFirst)
 11552  			b.swapSuccessors()
 11553  			return true
 11554  		}
 11555  		// match: (UGT (FlagLT_UGT) yes no)
 11556  		// result: (First yes no)
 11557  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11558  			b.Reset(BlockFirst)
 11559  			return true
 11560  		}
 11561  		// match: (UGT (FlagGT_ULT) yes no)
 11562  		// result: (First no yes)
 11563  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11564  			b.Reset(BlockFirst)
 11565  			b.swapSuccessors()
 11566  			return true
 11567  		}
 11568  		// match: (UGT (FlagGT_UGT) yes no)
 11569  		// result: (First yes no)
 11570  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11571  			b.Reset(BlockFirst)
 11572  			return true
 11573  		}
 11574  	case Block386ULE:
 11575  		// match: (ULE (InvertFlags cmp) yes no)
 11576  		// result: (UGE cmp yes no)
 11577  		for b.Controls[0].Op == Op386InvertFlags {
 11578  			v_0 := b.Controls[0]
 11579  			cmp := v_0.Args[0]
 11580  			b.resetWithControl(Block386UGE, cmp)
 11581  			return true
 11582  		}
 11583  		// match: (ULE (FlagEQ) yes no)
 11584  		// result: (First yes no)
 11585  		for b.Controls[0].Op == Op386FlagEQ {
 11586  			b.Reset(BlockFirst)
 11587  			return true
 11588  		}
 11589  		// match: (ULE (FlagLT_ULT) yes no)
 11590  		// result: (First yes no)
 11591  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11592  			b.Reset(BlockFirst)
 11593  			return true
 11594  		}
 11595  		// match: (ULE (FlagLT_UGT) yes no)
 11596  		// result: (First no yes)
 11597  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11598  			b.Reset(BlockFirst)
 11599  			b.swapSuccessors()
 11600  			return true
 11601  		}
 11602  		// match: (ULE (FlagGT_ULT) yes no)
 11603  		// result: (First yes no)
 11604  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11605  			b.Reset(BlockFirst)
 11606  			return true
 11607  		}
 11608  		// match: (ULE (FlagGT_UGT) yes no)
 11609  		// result: (First no yes)
 11610  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11611  			b.Reset(BlockFirst)
 11612  			b.swapSuccessors()
 11613  			return true
 11614  		}
 11615  	case Block386ULT:
 11616  		// match: (ULT (InvertFlags cmp) yes no)
 11617  		// result: (UGT cmp yes no)
 11618  		for b.Controls[0].Op == Op386InvertFlags {
 11619  			v_0 := b.Controls[0]
 11620  			cmp := v_0.Args[0]
 11621  			b.resetWithControl(Block386UGT, cmp)
 11622  			return true
 11623  		}
 11624  		// match: (ULT (FlagEQ) yes no)
 11625  		// result: (First no yes)
 11626  		for b.Controls[0].Op == Op386FlagEQ {
 11627  			b.Reset(BlockFirst)
 11628  			b.swapSuccessors()
 11629  			return true
 11630  		}
 11631  		// match: (ULT (FlagLT_ULT) yes no)
 11632  		// result: (First yes no)
 11633  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11634  			b.Reset(BlockFirst)
 11635  			return true
 11636  		}
 11637  		// match: (ULT (FlagLT_UGT) yes no)
 11638  		// result: (First no yes)
 11639  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11640  			b.Reset(BlockFirst)
 11641  			b.swapSuccessors()
 11642  			return true
 11643  		}
 11644  		// match: (ULT (FlagGT_ULT) yes no)
 11645  		// result: (First yes no)
 11646  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11647  			b.Reset(BlockFirst)
 11648  			return true
 11649  		}
 11650  		// match: (ULT (FlagGT_UGT) yes no)
 11651  		// result: (First no yes)
 11652  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11653  			b.Reset(BlockFirst)
 11654  			b.swapSuccessors()
 11655  			return true
 11656  		}
 11657  	}
 11658  	return false
 11659  }
 11660