▽

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

Documentation: cmd/compile/internal/ssa

     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 Op386MOVBLSX:
    79  		return rewriteValue386_Op386MOVBLSX(v)
    80  	case Op386MOVBLSXload:
    81  		return rewriteValue386_Op386MOVBLSXload(v)
    82  	case Op386MOVBLZX:
    83  		return rewriteValue386_Op386MOVBLZX(v)
    84  	case Op386MOVBload:
    85  		return rewriteValue386_Op386MOVBload(v)
    86  	case Op386MOVBstore:
    87  		return rewriteValue386_Op386MOVBstore(v)
    88  	case Op386MOVBstoreconst:
    89  		return rewriteValue386_Op386MOVBstoreconst(v)
    90  	case Op386MOVLload:
    91  		return rewriteValue386_Op386MOVLload(v)
    92  	case Op386MOVLstore:
    93  		return rewriteValue386_Op386MOVLstore(v)
    94  	case Op386MOVLstoreconst:
    95  		return rewriteValue386_Op386MOVLstoreconst(v)
    96  	case Op386MOVSDconst:
    97  		return rewriteValue386_Op386MOVSDconst(v)
    98  	case Op386MOVSDload:
    99  		return rewriteValue386_Op386MOVSDload(v)
   100  	case Op386MOVSDstore:
   101  		return rewriteValue386_Op386MOVSDstore(v)
   102  	case Op386MOVSSconst:
   103  		return rewriteValue386_Op386MOVSSconst(v)
   104  	case Op386MOVSSload:
   105  		return rewriteValue386_Op386MOVSSload(v)
   106  	case Op386MOVSSstore:
   107  		return rewriteValue386_Op386MOVSSstore(v)
   108  	case Op386MOVWLSX:
   109  		return rewriteValue386_Op386MOVWLSX(v)
   110  	case Op386MOVWLSXload:
   111  		return rewriteValue386_Op386MOVWLSXload(v)
   112  	case Op386MOVWLZX:
   113  		return rewriteValue386_Op386MOVWLZX(v)
   114  	case Op386MOVWload:
   115  		return rewriteValue386_Op386MOVWload(v)
   116  	case Op386MOVWstore:
   117  		return rewriteValue386_Op386MOVWstore(v)
   118  	case Op386MOVWstoreconst:
   119  		return rewriteValue386_Op386MOVWstoreconst(v)
   120  	case Op386MULL:
   121  		return rewriteValue386_Op386MULL(v)
   122  	case Op386MULLconst:
   123  		return rewriteValue386_Op386MULLconst(v)
   124  	case Op386MULLload:
   125  		return rewriteValue386_Op386MULLload(v)
   126  	case Op386MULSD:
   127  		return rewriteValue386_Op386MULSD(v)
   128  	case Op386MULSDload:
   129  		return rewriteValue386_Op386MULSDload(v)
   130  	case Op386MULSS:
   131  		return rewriteValue386_Op386MULSS(v)
   132  	case Op386MULSSload:
   133  		return rewriteValue386_Op386MULSSload(v)
   134  	case Op386NEGL:
   135  		return rewriteValue386_Op386NEGL(v)
   136  	case Op386NOTL:
   137  		return rewriteValue386_Op386NOTL(v)
   138  	case Op386ORL:
   139  		return rewriteValue386_Op386ORL(v)
   140  	case Op386ORLconst:
   141  		return rewriteValue386_Op386ORLconst(v)
   142  	case Op386ORLconstmodify:
   143  		return rewriteValue386_Op386ORLconstmodify(v)
   144  	case Op386ORLload:
   145  		return rewriteValue386_Op386ORLload(v)
   146  	case Op386ORLmodify:
   147  		return rewriteValue386_Op386ORLmodify(v)
   148  	case Op386ROLB:
   149  		return rewriteValue386_Op386ROLB(v)
   150  	case Op386ROLBconst:
   151  		return rewriteValue386_Op386ROLBconst(v)
   152  	case Op386ROLL:
   153  		return rewriteValue386_Op386ROLL(v)
   154  	case Op386ROLLconst:
   155  		return rewriteValue386_Op386ROLLconst(v)
   156  	case Op386ROLW:
   157  		return rewriteValue386_Op386ROLW(v)
   158  	case Op386ROLWconst:
   159  		return rewriteValue386_Op386ROLWconst(v)
   160  	case Op386SARB:
   161  		return rewriteValue386_Op386SARB(v)
   162  	case Op386SARBconst:
   163  		return rewriteValue386_Op386SARBconst(v)
   164  	case Op386SARL:
   165  		return rewriteValue386_Op386SARL(v)
   166  	case Op386SARLconst:
   167  		return rewriteValue386_Op386SARLconst(v)
   168  	case Op386SARW:
   169  		return rewriteValue386_Op386SARW(v)
   170  	case Op386SARWconst:
   171  		return rewriteValue386_Op386SARWconst(v)
   172  	case Op386SBBL:
   173  		return rewriteValue386_Op386SBBL(v)
   174  	case Op386SBBLcarrymask:
   175  		return rewriteValue386_Op386SBBLcarrymask(v)
   176  	case Op386SETA:
   177  		return rewriteValue386_Op386SETA(v)
   178  	case Op386SETAE:
   179  		return rewriteValue386_Op386SETAE(v)
   180  	case Op386SETB:
   181  		return rewriteValue386_Op386SETB(v)
   182  	case Op386SETBE:
   183  		return rewriteValue386_Op386SETBE(v)
   184  	case Op386SETEQ:
   185  		return rewriteValue386_Op386SETEQ(v)
   186  	case Op386SETG:
   187  		return rewriteValue386_Op386SETG(v)
   188  	case Op386SETGE:
   189  		return rewriteValue386_Op386SETGE(v)
   190  	case Op386SETL:
   191  		return rewriteValue386_Op386SETL(v)
   192  	case Op386SETLE:
   193  		return rewriteValue386_Op386SETLE(v)
   194  	case Op386SETNE:
   195  		return rewriteValue386_Op386SETNE(v)
   196  	case Op386SHLL:
   197  		return rewriteValue386_Op386SHLL(v)
   198  	case Op386SHLLconst:
   199  		return rewriteValue386_Op386SHLLconst(v)
   200  	case Op386SHRB:
   201  		return rewriteValue386_Op386SHRB(v)
   202  	case Op386SHRBconst:
   203  		return rewriteValue386_Op386SHRBconst(v)
   204  	case Op386SHRL:
   205  		return rewriteValue386_Op386SHRL(v)
   206  	case Op386SHRLconst:
   207  		return rewriteValue386_Op386SHRLconst(v)
   208  	case Op386SHRW:
   209  		return rewriteValue386_Op386SHRW(v)
   210  	case Op386SHRWconst:
   211  		return rewriteValue386_Op386SHRWconst(v)
   212  	case Op386SUBL:
   213  		return rewriteValue386_Op386SUBL(v)
   214  	case Op386SUBLcarry:
   215  		return rewriteValue386_Op386SUBLcarry(v)
   216  	case Op386SUBLconst:
   217  		return rewriteValue386_Op386SUBLconst(v)
   218  	case Op386SUBLload:
   219  		return rewriteValue386_Op386SUBLload(v)
   220  	case Op386SUBLmodify:
   221  		return rewriteValue386_Op386SUBLmodify(v)
   222  	case Op386SUBSD:
   223  		return rewriteValue386_Op386SUBSD(v)
   224  	case Op386SUBSDload:
   225  		return rewriteValue386_Op386SUBSDload(v)
   226  	case Op386SUBSS:
   227  		return rewriteValue386_Op386SUBSS(v)
   228  	case Op386SUBSSload:
   229  		return rewriteValue386_Op386SUBSSload(v)
   230  	case Op386XORL:
   231  		return rewriteValue386_Op386XORL(v)
   232  	case Op386XORLconst:
   233  		return rewriteValue386_Op386XORLconst(v)
   234  	case Op386XORLconstmodify:
   235  		return rewriteValue386_Op386XORLconstmodify(v)
   236  	case Op386XORLload:
   237  		return rewriteValue386_Op386XORLload(v)
   238  	case Op386XORLmodify:
   239  		return rewriteValue386_Op386XORLmodify(v)
   240  	case OpAdd16:
   241  		v.Op = Op386ADDL
   242  		return true
   243  	case OpAdd32:
   244  		v.Op = Op386ADDL
   245  		return true
   246  	case OpAdd32F:
   247  		v.Op = Op386ADDSS
   248  		return true
   249  	case OpAdd32carry:
   250  		v.Op = Op386ADDLcarry
   251  		return true
   252  	case OpAdd32withcarry:
   253  		v.Op = Op386ADCL
   254  		return true
   255  	case OpAdd64F:
   256  		v.Op = Op386ADDSD
   257  		return true
   258  	case OpAdd8:
   259  		v.Op = Op386ADDL
   260  		return true
   261  	case OpAddPtr:
   262  		v.Op = Op386ADDL
   263  		return true
   264  	case OpAddr:
   265  		return rewriteValue386_OpAddr(v)
   266  	case OpAnd16:
   267  		v.Op = Op386ANDL
   268  		return true
   269  	case OpAnd32:
   270  		v.Op = Op386ANDL
   271  		return true
   272  	case OpAnd8:
   273  		v.Op = Op386ANDL
   274  		return true
   275  	case OpAndB:
   276  		v.Op = Op386ANDL
   277  		return true
   278  	case OpAvg32u:
   279  		v.Op = Op386AVGLU
   280  		return true
   281  	case OpBswap16:
   282  		return rewriteValue386_OpBswap16(v)
   283  	case OpBswap32:
   284  		v.Op = Op386BSWAPL
   285  		return true
   286  	case OpClosureCall:
   287  		v.Op = Op386CALLclosure
   288  		return true
   289  	case OpCom16:
   290  		v.Op = Op386NOTL
   291  		return true
   292  	case OpCom32:
   293  		v.Op = Op386NOTL
   294  		return true
   295  	case OpCom8:
   296  		v.Op = Op386NOTL
   297  		return true
   298  	case OpConst16:
   299  		return rewriteValue386_OpConst16(v)
   300  	case OpConst32:
   301  		v.Op = Op386MOVLconst
   302  		return true
   303  	case OpConst32F:
   304  		v.Op = Op386MOVSSconst
   305  		return true
   306  	case OpConst64F:
   307  		v.Op = Op386MOVSDconst
   308  		return true
   309  	case OpConst8:
   310  		return rewriteValue386_OpConst8(v)
   311  	case OpConstBool:
   312  		return rewriteValue386_OpConstBool(v)
   313  	case OpConstNil:
   314  		return rewriteValue386_OpConstNil(v)
   315  	case OpCtz16:
   316  		return rewriteValue386_OpCtz16(v)
   317  	case OpCtz16NonZero:
   318  		v.Op = Op386BSFL
   319  		return true
   320  	case OpCtz32:
   321  		v.Op = Op386LoweredCtz32
   322  		return true
   323  	case OpCtz32NonZero:
   324  		v.Op = Op386BSFL
   325  		return true
   326  	case OpCtz8:
   327  		return rewriteValue386_OpCtz8(v)
   328  	case OpCtz8NonZero:
   329  		v.Op = Op386BSFL
   330  		return true
   331  	case OpCvt32Fto32:
   332  		v.Op = Op386CVTTSS2SL
   333  		return true
   334  	case OpCvt32Fto64F:
   335  		v.Op = Op386CVTSS2SD
   336  		return true
   337  	case OpCvt32to32F:
   338  		v.Op = Op386CVTSL2SS
   339  		return true
   340  	case OpCvt32to64F:
   341  		v.Op = Op386CVTSL2SD
   342  		return true
   343  	case OpCvt64Fto32:
   344  		v.Op = Op386CVTTSD2SL
   345  		return true
   346  	case OpCvt64Fto32F:
   347  		v.Op = Op386CVTSD2SS
   348  		return true
   349  	case OpCvtBoolToUint8:
   350  		v.Op = OpCopy
   351  		return true
   352  	case OpDiv16:
   353  		v.Op = Op386DIVW
   354  		return true
   355  	case OpDiv16u:
   356  		v.Op = Op386DIVWU
   357  		return true
   358  	case OpDiv32:
   359  		v.Op = Op386DIVL
   360  		return true
   361  	case OpDiv32F:
   362  		v.Op = Op386DIVSS
   363  		return true
   364  	case OpDiv32u:
   365  		v.Op = Op386DIVLU
   366  		return true
   367  	case OpDiv64F:
   368  		v.Op = Op386DIVSD
   369  		return true
   370  	case OpDiv8:
   371  		return rewriteValue386_OpDiv8(v)
   372  	case OpDiv8u:
   373  		return rewriteValue386_OpDiv8u(v)
   374  	case OpEq16:
   375  		return rewriteValue386_OpEq16(v)
   376  	case OpEq32:
   377  		return rewriteValue386_OpEq32(v)
   378  	case OpEq32F:
   379  		return rewriteValue386_OpEq32F(v)
   380  	case OpEq64F:
   381  		return rewriteValue386_OpEq64F(v)
   382  	case OpEq8:
   383  		return rewriteValue386_OpEq8(v)
   384  	case OpEqB:
   385  		return rewriteValue386_OpEqB(v)
   386  	case OpEqPtr:
   387  		return rewriteValue386_OpEqPtr(v)
   388  	case OpGetCallerPC:
   389  		v.Op = Op386LoweredGetCallerPC
   390  		return true
   391  	case OpGetCallerSP:
   392  		v.Op = Op386LoweredGetCallerSP
   393  		return true
   394  	case OpGetClosurePtr:
   395  		v.Op = Op386LoweredGetClosurePtr
   396  		return true
   397  	case OpGetG:
   398  		v.Op = Op386LoweredGetG
   399  		return true
   400  	case OpHmul32:
   401  		v.Op = Op386HMULL
   402  		return true
   403  	case OpHmul32u:
   404  		v.Op = Op386HMULLU
   405  		return true
   406  	case OpInterCall:
   407  		v.Op = Op386CALLinter
   408  		return true
   409  	case OpIsInBounds:
   410  		return rewriteValue386_OpIsInBounds(v)
   411  	case OpIsNonNil:
   412  		return rewriteValue386_OpIsNonNil(v)
   413  	case OpIsSliceInBounds:
   414  		return rewriteValue386_OpIsSliceInBounds(v)
   415  	case OpLeq16:
   416  		return rewriteValue386_OpLeq16(v)
   417  	case OpLeq16U:
   418  		return rewriteValue386_OpLeq16U(v)
   419  	case OpLeq32:
   420  		return rewriteValue386_OpLeq32(v)
   421  	case OpLeq32F:
   422  		return rewriteValue386_OpLeq32F(v)
   423  	case OpLeq32U:
   424  		return rewriteValue386_OpLeq32U(v)
   425  	case OpLeq64F:
   426  		return rewriteValue386_OpLeq64F(v)
   427  	case OpLeq8:
   428  		return rewriteValue386_OpLeq8(v)
   429  	case OpLeq8U:
   430  		return rewriteValue386_OpLeq8U(v)
   431  	case OpLess16:
   432  		return rewriteValue386_OpLess16(v)
   433  	case OpLess16U:
   434  		return rewriteValue386_OpLess16U(v)
   435  	case OpLess32:
   436  		return rewriteValue386_OpLess32(v)
   437  	case OpLess32F:
   438  		return rewriteValue386_OpLess32F(v)
   439  	case OpLess32U:
   440  		return rewriteValue386_OpLess32U(v)
   441  	case OpLess64F:
   442  		return rewriteValue386_OpLess64F(v)
   443  	case OpLess8:
   444  		return rewriteValue386_OpLess8(v)
   445  	case OpLess8U:
   446  		return rewriteValue386_OpLess8U(v)
   447  	case OpLoad:
   448  		return rewriteValue386_OpLoad(v)
   449  	case OpLocalAddr:
   450  		return rewriteValue386_OpLocalAddr(v)
   451  	case OpLsh16x16:
   452  		return rewriteValue386_OpLsh16x16(v)
   453  	case OpLsh16x32:
   454  		return rewriteValue386_OpLsh16x32(v)
   455  	case OpLsh16x64:
   456  		return rewriteValue386_OpLsh16x64(v)
   457  	case OpLsh16x8:
   458  		return rewriteValue386_OpLsh16x8(v)
   459  	case OpLsh32x16:
   460  		return rewriteValue386_OpLsh32x16(v)
   461  	case OpLsh32x32:
   462  		return rewriteValue386_OpLsh32x32(v)
   463  	case OpLsh32x64:
   464  		return rewriteValue386_OpLsh32x64(v)
   465  	case OpLsh32x8:
   466  		return rewriteValue386_OpLsh32x8(v)
   467  	case OpLsh8x16:
   468  		return rewriteValue386_OpLsh8x16(v)
   469  	case OpLsh8x32:
   470  		return rewriteValue386_OpLsh8x32(v)
   471  	case OpLsh8x64:
   472  		return rewriteValue386_OpLsh8x64(v)
   473  	case OpLsh8x8:
   474  		return rewriteValue386_OpLsh8x8(v)
   475  	case OpMod16:
   476  		v.Op = Op386MODW
   477  		return true
   478  	case OpMod16u:
   479  		v.Op = Op386MODWU
   480  		return true
   481  	case OpMod32:
   482  		v.Op = Op386MODL
   483  		return true
   484  	case OpMod32u:
   485  		v.Op = Op386MODLU
   486  		return true
   487  	case OpMod8:
   488  		return rewriteValue386_OpMod8(v)
   489  	case OpMod8u:
   490  		return rewriteValue386_OpMod8u(v)
   491  	case OpMove:
   492  		return rewriteValue386_OpMove(v)
   493  	case OpMul16:
   494  		v.Op = Op386MULL
   495  		return true
   496  	case OpMul32:
   497  		v.Op = Op386MULL
   498  		return true
   499  	case OpMul32F:
   500  		v.Op = Op386MULSS
   501  		return true
   502  	case OpMul32uhilo:
   503  		v.Op = Op386MULLQU
   504  		return true
   505  	case OpMul64F:
   506  		v.Op = Op386MULSD
   507  		return true
   508  	case OpMul8:
   509  		v.Op = Op386MULL
   510  		return true
   511  	case OpNeg16:
   512  		v.Op = Op386NEGL
   513  		return true
   514  	case OpNeg32:
   515  		v.Op = Op386NEGL
   516  		return true
   517  	case OpNeg32F:
   518  		return rewriteValue386_OpNeg32F(v)
   519  	case OpNeg64F:
   520  		return rewriteValue386_OpNeg64F(v)
   521  	case OpNeg8:
   522  		v.Op = Op386NEGL
   523  		return true
   524  	case OpNeq16:
   525  		return rewriteValue386_OpNeq16(v)
   526  	case OpNeq32:
   527  		return rewriteValue386_OpNeq32(v)
   528  	case OpNeq32F:
   529  		return rewriteValue386_OpNeq32F(v)
   530  	case OpNeq64F:
   531  		return rewriteValue386_OpNeq64F(v)
   532  	case OpNeq8:
   533  		return rewriteValue386_OpNeq8(v)
   534  	case OpNeqB:
   535  		return rewriteValue386_OpNeqB(v)
   536  	case OpNeqPtr:
   537  		return rewriteValue386_OpNeqPtr(v)
   538  	case OpNilCheck:
   539  		v.Op = Op386LoweredNilCheck
   540  		return true
   541  	case OpNot:
   542  		return rewriteValue386_OpNot(v)
   543  	case OpOffPtr:
   544  		return rewriteValue386_OpOffPtr(v)
   545  	case OpOr16:
   546  		v.Op = Op386ORL
   547  		return true
   548  	case OpOr32:
   549  		v.Op = Op386ORL
   550  		return true
   551  	case OpOr8:
   552  		v.Op = Op386ORL
   553  		return true
   554  	case OpOrB:
   555  		v.Op = Op386ORL
   556  		return true
   557  	case OpPanicBounds:
   558  		return rewriteValue386_OpPanicBounds(v)
   559  	case OpPanicExtend:
   560  		return rewriteValue386_OpPanicExtend(v)
   561  	case OpRotateLeft16:
   562  		v.Op = Op386ROLW
   563  		return true
   564  	case OpRotateLeft32:
   565  		v.Op = Op386ROLL
   566  		return true
   567  	case OpRotateLeft8:
   568  		v.Op = Op386ROLB
   569  		return true
   570  	case OpRound32F:
   571  		v.Op = OpCopy
   572  		return true
   573  	case OpRound64F:
   574  		v.Op = OpCopy
   575  		return true
   576  	case OpRsh16Ux16:
   577  		return rewriteValue386_OpRsh16Ux16(v)
   578  	case OpRsh16Ux32:
   579  		return rewriteValue386_OpRsh16Ux32(v)
   580  	case OpRsh16Ux64:
   581  		return rewriteValue386_OpRsh16Ux64(v)
   582  	case OpRsh16Ux8:
   583  		return rewriteValue386_OpRsh16Ux8(v)
   584  	case OpRsh16x16:
   585  		return rewriteValue386_OpRsh16x16(v)
   586  	case OpRsh16x32:
   587  		return rewriteValue386_OpRsh16x32(v)
   588  	case OpRsh16x64:
   589  		return rewriteValue386_OpRsh16x64(v)
   590  	case OpRsh16x8:
   591  		return rewriteValue386_OpRsh16x8(v)
   592  	case OpRsh32Ux16:
   593  		return rewriteValue386_OpRsh32Ux16(v)
   594  	case OpRsh32Ux32:
   595  		return rewriteValue386_OpRsh32Ux32(v)
   596  	case OpRsh32Ux64:
   597  		return rewriteValue386_OpRsh32Ux64(v)
   598  	case OpRsh32Ux8:
   599  		return rewriteValue386_OpRsh32Ux8(v)
   600  	case OpRsh32x16:
   601  		return rewriteValue386_OpRsh32x16(v)
   602  	case OpRsh32x32:
   603  		return rewriteValue386_OpRsh32x32(v)
   604  	case OpRsh32x64:
   605  		return rewriteValue386_OpRsh32x64(v)
   606  	case OpRsh32x8:
   607  		return rewriteValue386_OpRsh32x8(v)
   608  	case OpRsh8Ux16:
   609  		return rewriteValue386_OpRsh8Ux16(v)
   610  	case OpRsh8Ux32:
   611  		return rewriteValue386_OpRsh8Ux32(v)
   612  	case OpRsh8Ux64:
   613  		return rewriteValue386_OpRsh8Ux64(v)
   614  	case OpRsh8Ux8:
   615  		return rewriteValue386_OpRsh8Ux8(v)
   616  	case OpRsh8x16:
   617  		return rewriteValue386_OpRsh8x16(v)
   618  	case OpRsh8x32:
   619  		return rewriteValue386_OpRsh8x32(v)
   620  	case OpRsh8x64:
   621  		return rewriteValue386_OpRsh8x64(v)
   622  	case OpRsh8x8:
   623  		return rewriteValue386_OpRsh8x8(v)
   624  	case OpSelect0:
   625  		return rewriteValue386_OpSelect0(v)
   626  	case OpSelect1:
   627  		return rewriteValue386_OpSelect1(v)
   628  	case OpSignExt16to32:
   629  		v.Op = Op386MOVWLSX
   630  		return true
   631  	case OpSignExt8to16:
   632  		v.Op = Op386MOVBLSX
   633  		return true
   634  	case OpSignExt8to32:
   635  		v.Op = Op386MOVBLSX
   636  		return true
   637  	case OpSignmask:
   638  		return rewriteValue386_OpSignmask(v)
   639  	case OpSlicemask:
   640  		return rewriteValue386_OpSlicemask(v)
   641  	case OpSqrt:
   642  		v.Op = Op386SQRTSD
   643  		return true
   644  	case OpSqrt32:
   645  		v.Op = Op386SQRTSS
   646  		return true
   647  	case OpStaticCall:
   648  		v.Op = Op386CALLstatic
   649  		return true
   650  	case OpStore:
   651  		return rewriteValue386_OpStore(v)
   652  	case OpSub16:
   653  		v.Op = Op386SUBL
   654  		return true
   655  	case OpSub32:
   656  		v.Op = Op386SUBL
   657  		return true
   658  	case OpSub32F:
   659  		v.Op = Op386SUBSS
   660  		return true
   661  	case OpSub32carry:
   662  		v.Op = Op386SUBLcarry
   663  		return true
   664  	case OpSub32withcarry:
   665  		v.Op = Op386SBBL
   666  		return true
   667  	case OpSub64F:
   668  		v.Op = Op386SUBSD
   669  		return true
   670  	case OpSub8:
   671  		v.Op = Op386SUBL
   672  		return true
   673  	case OpSubPtr:
   674  		v.Op = Op386SUBL
   675  		return true
   676  	case OpTailCall:
   677  		v.Op = Op386CALLtail
   678  		return true
   679  	case OpTrunc16to8:
   680  		v.Op = OpCopy
   681  		return true
   682  	case OpTrunc32to16:
   683  		v.Op = OpCopy
   684  		return true
   685  	case OpTrunc32to8:
   686  		v.Op = OpCopy
   687  		return true
   688  	case OpWB:
   689  		v.Op = Op386LoweredWB
   690  		return true
   691  	case OpXor16:
   692  		v.Op = Op386XORL
   693  		return true
   694  	case OpXor32:
   695  		v.Op = Op386XORL
   696  		return true
   697  	case OpXor8:
   698  		v.Op = Op386XORL
   699  		return true
   700  	case OpZero:
   701  		return rewriteValue386_OpZero(v)
   702  	case OpZeroExt16to32:
   703  		v.Op = Op386MOVWLZX
   704  		return true
   705  	case OpZeroExt8to16:
   706  		v.Op = Op386MOVBLZX
   707  		return true
   708  	case OpZeroExt8to32:
   709  		v.Op = Op386MOVBLZX
   710  		return true
   711  	case OpZeromask:
   712  		return rewriteValue386_OpZeromask(v)
   713  	}
   714  	return false
   715  }
   716  func rewriteValue386_Op386ADCL(v *Value) bool {
   717  	v_2 := v.Args[2]
   718  	v_1 := v.Args[1]
   719  	v_0 := v.Args[0]
   720  	// match: (ADCL x (MOVLconst [c]) f)
   721  	// result: (ADCLconst [c] x f)
   722  	for {
   723  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   724  			x := v_0
   725  			if v_1.Op != Op386MOVLconst {
   726  				continue
   727  			}
   728  			c := auxIntToInt32(v_1.AuxInt)
   729  			f := v_2
   730  			v.reset(Op386ADCLconst)
   731  			v.AuxInt = int32ToAuxInt(c)
   732  			v.AddArg2(x, f)
   733  			return true
   734  		}
   735  		break
   736  	}
   737  	return false
   738  }
   739  func rewriteValue386_Op386ADDL(v *Value) bool {
   740  	v_1 := v.Args[1]
   741  	v_0 := v.Args[0]
   742  	// match: (ADDL x (MOVLconst <t> [c]))
   743  	// cond: !t.IsPtr()
   744  	// result: (ADDLconst [c] x)
   745  	for {
   746  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   747  			x := v_0
   748  			if v_1.Op != Op386MOVLconst {
   749  				continue
   750  			}
   751  			t := v_1.Type
   752  			c := auxIntToInt32(v_1.AuxInt)
   753  			if !(!t.IsPtr()) {
   754  				continue
   755  			}
   756  			v.reset(Op386ADDLconst)
   757  			v.AuxInt = int32ToAuxInt(c)
   758  			v.AddArg(x)
   759  			return true
   760  		}
   761  		break
   762  	}
   763  	// match: (ADDL x (SHLLconst [3] y))
   764  	// result: (LEAL8 x y)
   765  	for {
   766  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   767  			x := v_0
   768  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
   769  				continue
   770  			}
   771  			y := v_1.Args[0]
   772  			v.reset(Op386LEAL8)
   773  			v.AddArg2(x, y)
   774  			return true
   775  		}
   776  		break
   777  	}
   778  	// match: (ADDL x (SHLLconst [2] y))
   779  	// result: (LEAL4 x y)
   780  	for {
   781  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   782  			x := v_0
   783  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
   784  				continue
   785  			}
   786  			y := v_1.Args[0]
   787  			v.reset(Op386LEAL4)
   788  			v.AddArg2(x, y)
   789  			return true
   790  		}
   791  		break
   792  	}
   793  	// match: (ADDL x (SHLLconst [1] y))
   794  	// result: (LEAL2 x y)
   795  	for {
   796  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   797  			x := v_0
   798  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
   799  				continue
   800  			}
   801  			y := v_1.Args[0]
   802  			v.reset(Op386LEAL2)
   803  			v.AddArg2(x, y)
   804  			return true
   805  		}
   806  		break
   807  	}
   808  	// match: (ADDL x (ADDL y y))
   809  	// result: (LEAL2 x y)
   810  	for {
   811  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   812  			x := v_0
   813  			if v_1.Op != Op386ADDL {
   814  				continue
   815  			}
   816  			y := v_1.Args[1]
   817  			if y != v_1.Args[0] {
   818  				continue
   819  			}
   820  			v.reset(Op386LEAL2)
   821  			v.AddArg2(x, y)
   822  			return true
   823  		}
   824  		break
   825  	}
   826  	// match: (ADDL x (ADDL x y))
   827  	// result: (LEAL2 y x)
   828  	for {
   829  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   830  			x := v_0
   831  			if v_1.Op != Op386ADDL {
   832  				continue
   833  			}
   834  			_ = v_1.Args[1]
   835  			v_1_0 := v_1.Args[0]
   836  			v_1_1 := v_1.Args[1]
   837  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
   838  				if x != v_1_0 {
   839  					continue
   840  				}
   841  				y := v_1_1
   842  				v.reset(Op386LEAL2)
   843  				v.AddArg2(y, x)
   844  				return true
   845  			}
   846  		}
   847  		break
   848  	}
   849  	// match: (ADDL (ADDLconst [c] x) y)
   850  	// result: (LEAL1 [c] x y)
   851  	for {
   852  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   853  			if v_0.Op != Op386ADDLconst {
   854  				continue
   855  			}
   856  			c := auxIntToInt32(v_0.AuxInt)
   857  			x := v_0.Args[0]
   858  			y := v_1
   859  			v.reset(Op386LEAL1)
   860  			v.AuxInt = int32ToAuxInt(c)
   861  			v.AddArg2(x, y)
   862  			return true
   863  		}
   864  		break
   865  	}
   866  	// match: (ADDL x (LEAL [c] {s} y))
   867  	// cond: x.Op != OpSB && y.Op != OpSB
   868  	// result: (LEAL1 [c] {s} x y)
   869  	for {
   870  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   871  			x := v_0
   872  			if v_1.Op != Op386LEAL {
   873  				continue
   874  			}
   875  			c := auxIntToInt32(v_1.AuxInt)
   876  			s := auxToSym(v_1.Aux)
   877  			y := v_1.Args[0]
   878  			if !(x.Op != OpSB && y.Op != OpSB) {
   879  				continue
   880  			}
   881  			v.reset(Op386LEAL1)
   882  			v.AuxInt = int32ToAuxInt(c)
   883  			v.Aux = symToAux(s)
   884  			v.AddArg2(x, y)
   885  			return true
   886  		}
   887  		break
   888  	}
   889  	// match: (ADDL x l:(MOVLload [off] {sym} ptr mem))
   890  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
   891  	// result: (ADDLload x [off] {sym} ptr mem)
   892  	for {
   893  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   894  			x := v_0
   895  			l := v_1
   896  			if l.Op != Op386MOVLload {
   897  				continue
   898  			}
   899  			off := auxIntToInt32(l.AuxInt)
   900  			sym := auxToSym(l.Aux)
   901  			mem := l.Args[1]
   902  			ptr := l.Args[0]
   903  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
   904  				continue
   905  			}
   906  			v.reset(Op386ADDLload)
   907  			v.AuxInt = int32ToAuxInt(off)
   908  			v.Aux = symToAux(sym)
   909  			v.AddArg3(x, ptr, mem)
   910  			return true
   911  		}
   912  		break
   913  	}
   914  	// match: (ADDL x (NEGL y))
   915  	// result: (SUBL x y)
   916  	for {
   917  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   918  			x := v_0
   919  			if v_1.Op != Op386NEGL {
   920  				continue
   921  			}
   922  			y := v_1.Args[0]
   923  			v.reset(Op386SUBL)
   924  			v.AddArg2(x, y)
   925  			return true
   926  		}
   927  		break
   928  	}
   929  	return false
   930  }
   931  func rewriteValue386_Op386ADDLcarry(v *Value) bool {
   932  	v_1 := v.Args[1]
   933  	v_0 := v.Args[0]
   934  	// match: (ADDLcarry x (MOVLconst [c]))
   935  	// result: (ADDLconstcarry [c] x)
   936  	for {
   937  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   938  			x := v_0
   939  			if v_1.Op != Op386MOVLconst {
   940  				continue
   941  			}
   942  			c := auxIntToInt32(v_1.AuxInt)
   943  			v.reset(Op386ADDLconstcarry)
   944  			v.AuxInt = int32ToAuxInt(c)
   945  			v.AddArg(x)
   946  			return true
   947  		}
   948  		break
   949  	}
   950  	return false
   951  }
   952  func rewriteValue386_Op386ADDLconst(v *Value) bool {
   953  	v_0 := v.Args[0]
   954  	// match: (ADDLconst [c] (ADDL x y))
   955  	// result: (LEAL1 [c] x y)
   956  	for {
   957  		c := auxIntToInt32(v.AuxInt)
   958  		if v_0.Op != Op386ADDL {
   959  			break
   960  		}
   961  		y := v_0.Args[1]
   962  		x := v_0.Args[0]
   963  		v.reset(Op386LEAL1)
   964  		v.AuxInt = int32ToAuxInt(c)
   965  		v.AddArg2(x, y)
   966  		return true
   967  	}
   968  	// match: (ADDLconst [c] (LEAL [d] {s} x))
   969  	// cond: is32Bit(int64(c)+int64(d))
   970  	// result: (LEAL [c+d] {s} x)
   971  	for {
   972  		c := auxIntToInt32(v.AuxInt)
   973  		if v_0.Op != Op386LEAL {
   974  			break
   975  		}
   976  		d := auxIntToInt32(v_0.AuxInt)
   977  		s := auxToSym(v_0.Aux)
   978  		x := v_0.Args[0]
   979  		if !(is32Bit(int64(c) + int64(d))) {
   980  			break
   981  		}
   982  		v.reset(Op386LEAL)
   983  		v.AuxInt = int32ToAuxInt(c + d)
   984  		v.Aux = symToAux(s)
   985  		v.AddArg(x)
   986  		return true
   987  	}
   988  	// match: (ADDLconst [c] x:(SP))
   989  	// result: (LEAL [c] x)
   990  	for {
   991  		c := auxIntToInt32(v.AuxInt)
   992  		x := v_0
   993  		if x.Op != OpSP {
   994  			break
   995  		}
   996  		v.reset(Op386LEAL)
   997  		v.AuxInt = int32ToAuxInt(c)
   998  		v.AddArg(x)
   999  		return true
  1000  	}
  1001  	// match: (ADDLconst [c] (LEAL1 [d] {s} x y))
  1002  	// cond: is32Bit(int64(c)+int64(d))
  1003  	// result: (LEAL1 [c+d] {s} x y)
  1004  	for {
  1005  		c := auxIntToInt32(v.AuxInt)
  1006  		if v_0.Op != Op386LEAL1 {
  1007  			break
  1008  		}
  1009  		d := auxIntToInt32(v_0.AuxInt)
  1010  		s := auxToSym(v_0.Aux)
  1011  		y := v_0.Args[1]
  1012  		x := v_0.Args[0]
  1013  		if !(is32Bit(int64(c) + int64(d))) {
  1014  			break
  1015  		}
  1016  		v.reset(Op386LEAL1)
  1017  		v.AuxInt = int32ToAuxInt(c + d)
  1018  		v.Aux = symToAux(s)
  1019  		v.AddArg2(x, y)
  1020  		return true
  1021  	}
  1022  	// match: (ADDLconst [c] (LEAL2 [d] {s} x y))
  1023  	// cond: is32Bit(int64(c)+int64(d))
  1024  	// result: (LEAL2 [c+d] {s} x y)
  1025  	for {
  1026  		c := auxIntToInt32(v.AuxInt)
  1027  		if v_0.Op != Op386LEAL2 {
  1028  			break
  1029  		}
  1030  		d := auxIntToInt32(v_0.AuxInt)
  1031  		s := auxToSym(v_0.Aux)
  1032  		y := v_0.Args[1]
  1033  		x := v_0.Args[0]
  1034  		if !(is32Bit(int64(c) + int64(d))) {
  1035  			break
  1036  		}
  1037  		v.reset(Op386LEAL2)
  1038  		v.AuxInt = int32ToAuxInt(c + d)
  1039  		v.Aux = symToAux(s)
  1040  		v.AddArg2(x, y)
  1041  		return true
  1042  	}
  1043  	// match: (ADDLconst [c] (LEAL4 [d] {s} x y))
  1044  	// cond: is32Bit(int64(c)+int64(d))
  1045  	// result: (LEAL4 [c+d] {s} x y)
  1046  	for {
  1047  		c := auxIntToInt32(v.AuxInt)
  1048  		if v_0.Op != Op386LEAL4 {
  1049  			break
  1050  		}
  1051  		d := auxIntToInt32(v_0.AuxInt)
  1052  		s := auxToSym(v_0.Aux)
  1053  		y := v_0.Args[1]
  1054  		x := v_0.Args[0]
  1055  		if !(is32Bit(int64(c) + int64(d))) {
  1056  			break
  1057  		}
  1058  		v.reset(Op386LEAL4)
  1059  		v.AuxInt = int32ToAuxInt(c + d)
  1060  		v.Aux = symToAux(s)
  1061  		v.AddArg2(x, y)
  1062  		return true
  1063  	}
  1064  	// match: (ADDLconst [c] (LEAL8 [d] {s} x y))
  1065  	// cond: is32Bit(int64(c)+int64(d))
  1066  	// result: (LEAL8 [c+d] {s} x y)
  1067  	for {
  1068  		c := auxIntToInt32(v.AuxInt)
  1069  		if v_0.Op != Op386LEAL8 {
  1070  			break
  1071  		}
  1072  		d := auxIntToInt32(v_0.AuxInt)
  1073  		s := auxToSym(v_0.Aux)
  1074  		y := v_0.Args[1]
  1075  		x := v_0.Args[0]
  1076  		if !(is32Bit(int64(c) + int64(d))) {
  1077  			break
  1078  		}
  1079  		v.reset(Op386LEAL8)
  1080  		v.AuxInt = int32ToAuxInt(c + d)
  1081  		v.Aux = symToAux(s)
  1082  		v.AddArg2(x, y)
  1083  		return true
  1084  	}
  1085  	// match: (ADDLconst [c] x)
  1086  	// cond: c==0
  1087  	// result: x
  1088  	for {
  1089  		c := auxIntToInt32(v.AuxInt)
  1090  		x := v_0
  1091  		if !(c == 0) {
  1092  			break
  1093  		}
  1094  		v.copyOf(x)
  1095  		return true
  1096  	}
  1097  	// match: (ADDLconst [c] (MOVLconst [d]))
  1098  	// result: (MOVLconst [c+d])
  1099  	for {
  1100  		c := auxIntToInt32(v.AuxInt)
  1101  		if v_0.Op != Op386MOVLconst {
  1102  			break
  1103  		}
  1104  		d := auxIntToInt32(v_0.AuxInt)
  1105  		v.reset(Op386MOVLconst)
  1106  		v.AuxInt = int32ToAuxInt(c + d)
  1107  		return true
  1108  	}
  1109  	// match: (ADDLconst [c] (ADDLconst [d] x))
  1110  	// result: (ADDLconst [c+d] x)
  1111  	for {
  1112  		c := auxIntToInt32(v.AuxInt)
  1113  		if v_0.Op != Op386ADDLconst {
  1114  			break
  1115  		}
  1116  		d := auxIntToInt32(v_0.AuxInt)
  1117  		x := v_0.Args[0]
  1118  		v.reset(Op386ADDLconst)
  1119  		v.AuxInt = int32ToAuxInt(c + d)
  1120  		v.AddArg(x)
  1121  		return true
  1122  	}
  1123  	return false
  1124  }
  1125  func rewriteValue386_Op386ADDLconstmodify(v *Value) bool {
  1126  	v_1 := v.Args[1]
  1127  	v_0 := v.Args[0]
  1128  	b := v.Block
  1129  	config := b.Func.Config
  1130  	// match: (ADDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1131  	// cond: valoff1.canAdd32(off2)
  1132  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1133  	for {
  1134  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1135  		sym := auxToSym(v.Aux)
  1136  		if v_0.Op != Op386ADDLconst {
  1137  			break
  1138  		}
  1139  		off2 := auxIntToInt32(v_0.AuxInt)
  1140  		base := v_0.Args[0]
  1141  		mem := v_1
  1142  		if !(valoff1.canAdd32(off2)) {
  1143  			break
  1144  		}
  1145  		v.reset(Op386ADDLconstmodify)
  1146  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1147  		v.Aux = symToAux(sym)
  1148  		v.AddArg2(base, mem)
  1149  		return true
  1150  	}
  1151  	// match: (ADDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1152  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1153  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1154  	for {
  1155  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1156  		sym1 := auxToSym(v.Aux)
  1157  		if v_0.Op != Op386LEAL {
  1158  			break
  1159  		}
  1160  		off2 := auxIntToInt32(v_0.AuxInt)
  1161  		sym2 := auxToSym(v_0.Aux)
  1162  		base := v_0.Args[0]
  1163  		mem := v_1
  1164  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1165  			break
  1166  		}
  1167  		v.reset(Op386ADDLconstmodify)
  1168  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1169  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1170  		v.AddArg2(base, mem)
  1171  		return true
  1172  	}
  1173  	return false
  1174  }
  1175  func rewriteValue386_Op386ADDLload(v *Value) bool {
  1176  	v_2 := v.Args[2]
  1177  	v_1 := v.Args[1]
  1178  	v_0 := v.Args[0]
  1179  	b := v.Block
  1180  	config := b.Func.Config
  1181  	// match: (ADDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1182  	// cond: is32Bit(int64(off1)+int64(off2))
  1183  	// result: (ADDLload [off1+off2] {sym} val base mem)
  1184  	for {
  1185  		off1 := auxIntToInt32(v.AuxInt)
  1186  		sym := auxToSym(v.Aux)
  1187  		val := v_0
  1188  		if v_1.Op != Op386ADDLconst {
  1189  			break
  1190  		}
  1191  		off2 := auxIntToInt32(v_1.AuxInt)
  1192  		base := v_1.Args[0]
  1193  		mem := v_2
  1194  		if !(is32Bit(int64(off1) + int64(off2))) {
  1195  			break
  1196  		}
  1197  		v.reset(Op386ADDLload)
  1198  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1199  		v.Aux = symToAux(sym)
  1200  		v.AddArg3(val, base, mem)
  1201  		return true
  1202  	}
  1203  	// match: (ADDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1204  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1205  	// result: (ADDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1206  	for {
  1207  		off1 := auxIntToInt32(v.AuxInt)
  1208  		sym1 := auxToSym(v.Aux)
  1209  		val := v_0
  1210  		if v_1.Op != Op386LEAL {
  1211  			break
  1212  		}
  1213  		off2 := auxIntToInt32(v_1.AuxInt)
  1214  		sym2 := auxToSym(v_1.Aux)
  1215  		base := v_1.Args[0]
  1216  		mem := v_2
  1217  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1218  			break
  1219  		}
  1220  		v.reset(Op386ADDLload)
  1221  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1222  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1223  		v.AddArg3(val, base, mem)
  1224  		return true
  1225  	}
  1226  	return false
  1227  }
  1228  func rewriteValue386_Op386ADDLmodify(v *Value) bool {
  1229  	v_2 := v.Args[2]
  1230  	v_1 := v.Args[1]
  1231  	v_0 := v.Args[0]
  1232  	b := v.Block
  1233  	config := b.Func.Config
  1234  	// match: (ADDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1235  	// cond: is32Bit(int64(off1)+int64(off2))
  1236  	// result: (ADDLmodify [off1+off2] {sym} base val mem)
  1237  	for {
  1238  		off1 := auxIntToInt32(v.AuxInt)
  1239  		sym := auxToSym(v.Aux)
  1240  		if v_0.Op != Op386ADDLconst {
  1241  			break
  1242  		}
  1243  		off2 := auxIntToInt32(v_0.AuxInt)
  1244  		base := v_0.Args[0]
  1245  		val := v_1
  1246  		mem := v_2
  1247  		if !(is32Bit(int64(off1) + int64(off2))) {
  1248  			break
  1249  		}
  1250  		v.reset(Op386ADDLmodify)
  1251  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1252  		v.Aux = symToAux(sym)
  1253  		v.AddArg3(base, val, mem)
  1254  		return true
  1255  	}
  1256  	// match: (ADDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1257  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1258  	// result: (ADDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1259  	for {
  1260  		off1 := auxIntToInt32(v.AuxInt)
  1261  		sym1 := auxToSym(v.Aux)
  1262  		if v_0.Op != Op386LEAL {
  1263  			break
  1264  		}
  1265  		off2 := auxIntToInt32(v_0.AuxInt)
  1266  		sym2 := auxToSym(v_0.Aux)
  1267  		base := v_0.Args[0]
  1268  		val := v_1
  1269  		mem := v_2
  1270  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1271  			break
  1272  		}
  1273  		v.reset(Op386ADDLmodify)
  1274  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1275  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1276  		v.AddArg3(base, val, mem)
  1277  		return true
  1278  	}
  1279  	return false
  1280  }
  1281  func rewriteValue386_Op386ADDSD(v *Value) bool {
  1282  	v_1 := v.Args[1]
  1283  	v_0 := v.Args[0]
  1284  	// match: (ADDSD x l:(MOVSDload [off] {sym} ptr mem))
  1285  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1286  	// result: (ADDSDload x [off] {sym} ptr mem)
  1287  	for {
  1288  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1289  			x := v_0
  1290  			l := v_1
  1291  			if l.Op != Op386MOVSDload {
  1292  				continue
  1293  			}
  1294  			off := auxIntToInt32(l.AuxInt)
  1295  			sym := auxToSym(l.Aux)
  1296  			mem := l.Args[1]
  1297  			ptr := l.Args[0]
  1298  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1299  				continue
  1300  			}
  1301  			v.reset(Op386ADDSDload)
  1302  			v.AuxInt = int32ToAuxInt(off)
  1303  			v.Aux = symToAux(sym)
  1304  			v.AddArg3(x, ptr, mem)
  1305  			return true
  1306  		}
  1307  		break
  1308  	}
  1309  	return false
  1310  }
  1311  func rewriteValue386_Op386ADDSDload(v *Value) bool {
  1312  	v_2 := v.Args[2]
  1313  	v_1 := v.Args[1]
  1314  	v_0 := v.Args[0]
  1315  	b := v.Block
  1316  	config := b.Func.Config
  1317  	// match: (ADDSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  1318  	// cond: is32Bit(int64(off1)+int64(off2))
  1319  	// result: (ADDSDload [off1+off2] {sym} val base mem)
  1320  	for {
  1321  		off1 := auxIntToInt32(v.AuxInt)
  1322  		sym := auxToSym(v.Aux)
  1323  		val := v_0
  1324  		if v_1.Op != Op386ADDLconst {
  1325  			break
  1326  		}
  1327  		off2 := auxIntToInt32(v_1.AuxInt)
  1328  		base := v_1.Args[0]
  1329  		mem := v_2
  1330  		if !(is32Bit(int64(off1) + int64(off2))) {
  1331  			break
  1332  		}
  1333  		v.reset(Op386ADDSDload)
  1334  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1335  		v.Aux = symToAux(sym)
  1336  		v.AddArg3(val, base, mem)
  1337  		return true
  1338  	}
  1339  	// match: (ADDSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1340  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1341  	// result: (ADDSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1342  	for {
  1343  		off1 := auxIntToInt32(v.AuxInt)
  1344  		sym1 := auxToSym(v.Aux)
  1345  		val := v_0
  1346  		if v_1.Op != Op386LEAL {
  1347  			break
  1348  		}
  1349  		off2 := auxIntToInt32(v_1.AuxInt)
  1350  		sym2 := auxToSym(v_1.Aux)
  1351  		base := v_1.Args[0]
  1352  		mem := v_2
  1353  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1354  			break
  1355  		}
  1356  		v.reset(Op386ADDSDload)
  1357  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1358  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1359  		v.AddArg3(val, base, mem)
  1360  		return true
  1361  	}
  1362  	return false
  1363  }
  1364  func rewriteValue386_Op386ADDSS(v *Value) bool {
  1365  	v_1 := v.Args[1]
  1366  	v_0 := v.Args[0]
  1367  	// match: (ADDSS x l:(MOVSSload [off] {sym} ptr mem))
  1368  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1369  	// result: (ADDSSload x [off] {sym} ptr mem)
  1370  	for {
  1371  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1372  			x := v_0
  1373  			l := v_1
  1374  			if l.Op != Op386MOVSSload {
  1375  				continue
  1376  			}
  1377  			off := auxIntToInt32(l.AuxInt)
  1378  			sym := auxToSym(l.Aux)
  1379  			mem := l.Args[1]
  1380  			ptr := l.Args[0]
  1381  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1382  				continue
  1383  			}
  1384  			v.reset(Op386ADDSSload)
  1385  			v.AuxInt = int32ToAuxInt(off)
  1386  			v.Aux = symToAux(sym)
  1387  			v.AddArg3(x, ptr, mem)
  1388  			return true
  1389  		}
  1390  		break
  1391  	}
  1392  	return false
  1393  }
  1394  func rewriteValue386_Op386ADDSSload(v *Value) bool {
  1395  	v_2 := v.Args[2]
  1396  	v_1 := v.Args[1]
  1397  	v_0 := v.Args[0]
  1398  	b := v.Block
  1399  	config := b.Func.Config
  1400  	// match: (ADDSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  1401  	// cond: is32Bit(int64(off1)+int64(off2))
  1402  	// result: (ADDSSload [off1+off2] {sym} val base mem)
  1403  	for {
  1404  		off1 := auxIntToInt32(v.AuxInt)
  1405  		sym := auxToSym(v.Aux)
  1406  		val := v_0
  1407  		if v_1.Op != Op386ADDLconst {
  1408  			break
  1409  		}
  1410  		off2 := auxIntToInt32(v_1.AuxInt)
  1411  		base := v_1.Args[0]
  1412  		mem := v_2
  1413  		if !(is32Bit(int64(off1) + int64(off2))) {
  1414  			break
  1415  		}
  1416  		v.reset(Op386ADDSSload)
  1417  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1418  		v.Aux = symToAux(sym)
  1419  		v.AddArg3(val, base, mem)
  1420  		return true
  1421  	}
  1422  	// match: (ADDSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1423  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1424  	// result: (ADDSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1425  	for {
  1426  		off1 := auxIntToInt32(v.AuxInt)
  1427  		sym1 := auxToSym(v.Aux)
  1428  		val := v_0
  1429  		if v_1.Op != Op386LEAL {
  1430  			break
  1431  		}
  1432  		off2 := auxIntToInt32(v_1.AuxInt)
  1433  		sym2 := auxToSym(v_1.Aux)
  1434  		base := v_1.Args[0]
  1435  		mem := v_2
  1436  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1437  			break
  1438  		}
  1439  		v.reset(Op386ADDSSload)
  1440  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1441  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1442  		v.AddArg3(val, base, mem)
  1443  		return true
  1444  	}
  1445  	return false
  1446  }
  1447  func rewriteValue386_Op386ANDL(v *Value) bool {
  1448  	v_1 := v.Args[1]
  1449  	v_0 := v.Args[0]
  1450  	// match: (ANDL x (MOVLconst [c]))
  1451  	// result: (ANDLconst [c] x)
  1452  	for {
  1453  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1454  			x := v_0
  1455  			if v_1.Op != Op386MOVLconst {
  1456  				continue
  1457  			}
  1458  			c := auxIntToInt32(v_1.AuxInt)
  1459  			v.reset(Op386ANDLconst)
  1460  			v.AuxInt = int32ToAuxInt(c)
  1461  			v.AddArg(x)
  1462  			return true
  1463  		}
  1464  		break
  1465  	}
  1466  	// match: (ANDL x l:(MOVLload [off] {sym} ptr mem))
  1467  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1468  	// result: (ANDLload x [off] {sym} ptr mem)
  1469  	for {
  1470  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1471  			x := v_0
  1472  			l := v_1
  1473  			if l.Op != Op386MOVLload {
  1474  				continue
  1475  			}
  1476  			off := auxIntToInt32(l.AuxInt)
  1477  			sym := auxToSym(l.Aux)
  1478  			mem := l.Args[1]
  1479  			ptr := l.Args[0]
  1480  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1481  				continue
  1482  			}
  1483  			v.reset(Op386ANDLload)
  1484  			v.AuxInt = int32ToAuxInt(off)
  1485  			v.Aux = symToAux(sym)
  1486  			v.AddArg3(x, ptr, mem)
  1487  			return true
  1488  		}
  1489  		break
  1490  	}
  1491  	// match: (ANDL x x)
  1492  	// result: x
  1493  	for {
  1494  		x := v_0
  1495  		if x != v_1 {
  1496  			break
  1497  		}
  1498  		v.copyOf(x)
  1499  		return true
  1500  	}
  1501  	return false
  1502  }
  1503  func rewriteValue386_Op386ANDLconst(v *Value) bool {
  1504  	v_0 := v.Args[0]
  1505  	// match: (ANDLconst [c] (ANDLconst [d] x))
  1506  	// result: (ANDLconst [c & d] x)
  1507  	for {
  1508  		c := auxIntToInt32(v.AuxInt)
  1509  		if v_0.Op != Op386ANDLconst {
  1510  			break
  1511  		}
  1512  		d := auxIntToInt32(v_0.AuxInt)
  1513  		x := v_0.Args[0]
  1514  		v.reset(Op386ANDLconst)
  1515  		v.AuxInt = int32ToAuxInt(c & d)
  1516  		v.AddArg(x)
  1517  		return true
  1518  	}
  1519  	// match: (ANDLconst [c] _)
  1520  	// cond: c==0
  1521  	// result: (MOVLconst [0])
  1522  	for {
  1523  		c := auxIntToInt32(v.AuxInt)
  1524  		if !(c == 0) {
  1525  			break
  1526  		}
  1527  		v.reset(Op386MOVLconst)
  1528  		v.AuxInt = int32ToAuxInt(0)
  1529  		return true
  1530  	}
  1531  	// match: (ANDLconst [c] x)
  1532  	// cond: c==-1
  1533  	// result: x
  1534  	for {
  1535  		c := auxIntToInt32(v.AuxInt)
  1536  		x := v_0
  1537  		if !(c == -1) {
  1538  			break
  1539  		}
  1540  		v.copyOf(x)
  1541  		return true
  1542  	}
  1543  	// match: (ANDLconst [c] (MOVLconst [d]))
  1544  	// result: (MOVLconst [c&d])
  1545  	for {
  1546  		c := auxIntToInt32(v.AuxInt)
  1547  		if v_0.Op != Op386MOVLconst {
  1548  			break
  1549  		}
  1550  		d := auxIntToInt32(v_0.AuxInt)
  1551  		v.reset(Op386MOVLconst)
  1552  		v.AuxInt = int32ToAuxInt(c & d)
  1553  		return true
  1554  	}
  1555  	return false
  1556  }
  1557  func rewriteValue386_Op386ANDLconstmodify(v *Value) bool {
  1558  	v_1 := v.Args[1]
  1559  	v_0 := v.Args[0]
  1560  	b := v.Block
  1561  	config := b.Func.Config
  1562  	// match: (ANDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1563  	// cond: valoff1.canAdd32(off2)
  1564  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1565  	for {
  1566  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1567  		sym := auxToSym(v.Aux)
  1568  		if v_0.Op != Op386ADDLconst {
  1569  			break
  1570  		}
  1571  		off2 := auxIntToInt32(v_0.AuxInt)
  1572  		base := v_0.Args[0]
  1573  		mem := v_1
  1574  		if !(valoff1.canAdd32(off2)) {
  1575  			break
  1576  		}
  1577  		v.reset(Op386ANDLconstmodify)
  1578  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1579  		v.Aux = symToAux(sym)
  1580  		v.AddArg2(base, mem)
  1581  		return true
  1582  	}
  1583  	// match: (ANDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1584  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1585  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1586  	for {
  1587  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1588  		sym1 := auxToSym(v.Aux)
  1589  		if v_0.Op != Op386LEAL {
  1590  			break
  1591  		}
  1592  		off2 := auxIntToInt32(v_0.AuxInt)
  1593  		sym2 := auxToSym(v_0.Aux)
  1594  		base := v_0.Args[0]
  1595  		mem := v_1
  1596  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1597  			break
  1598  		}
  1599  		v.reset(Op386ANDLconstmodify)
  1600  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1601  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1602  		v.AddArg2(base, mem)
  1603  		return true
  1604  	}
  1605  	return false
  1606  }
  1607  func rewriteValue386_Op386ANDLload(v *Value) bool {
  1608  	v_2 := v.Args[2]
  1609  	v_1 := v.Args[1]
  1610  	v_0 := v.Args[0]
  1611  	b := v.Block
  1612  	config := b.Func.Config
  1613  	// match: (ANDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1614  	// cond: is32Bit(int64(off1)+int64(off2))
  1615  	// result: (ANDLload [off1+off2] {sym} val base mem)
  1616  	for {
  1617  		off1 := auxIntToInt32(v.AuxInt)
  1618  		sym := auxToSym(v.Aux)
  1619  		val := v_0
  1620  		if v_1.Op != Op386ADDLconst {
  1621  			break
  1622  		}
  1623  		off2 := auxIntToInt32(v_1.AuxInt)
  1624  		base := v_1.Args[0]
  1625  		mem := v_2
  1626  		if !(is32Bit(int64(off1) + int64(off2))) {
  1627  			break
  1628  		}
  1629  		v.reset(Op386ANDLload)
  1630  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1631  		v.Aux = symToAux(sym)
  1632  		v.AddArg3(val, base, mem)
  1633  		return true
  1634  	}
  1635  	// match: (ANDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1636  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1637  	// result: (ANDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1638  	for {
  1639  		off1 := auxIntToInt32(v.AuxInt)
  1640  		sym1 := auxToSym(v.Aux)
  1641  		val := v_0
  1642  		if v_1.Op != Op386LEAL {
  1643  			break
  1644  		}
  1645  		off2 := auxIntToInt32(v_1.AuxInt)
  1646  		sym2 := auxToSym(v_1.Aux)
  1647  		base := v_1.Args[0]
  1648  		mem := v_2
  1649  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1650  			break
  1651  		}
  1652  		v.reset(Op386ANDLload)
  1653  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1654  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1655  		v.AddArg3(val, base, mem)
  1656  		return true
  1657  	}
  1658  	return false
  1659  }
  1660  func rewriteValue386_Op386ANDLmodify(v *Value) bool {
  1661  	v_2 := v.Args[2]
  1662  	v_1 := v.Args[1]
  1663  	v_0 := v.Args[0]
  1664  	b := v.Block
  1665  	config := b.Func.Config
  1666  	// match: (ANDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1667  	// cond: is32Bit(int64(off1)+int64(off2))
  1668  	// result: (ANDLmodify [off1+off2] {sym} base val mem)
  1669  	for {
  1670  		off1 := auxIntToInt32(v.AuxInt)
  1671  		sym := auxToSym(v.Aux)
  1672  		if v_0.Op != Op386ADDLconst {
  1673  			break
  1674  		}
  1675  		off2 := auxIntToInt32(v_0.AuxInt)
  1676  		base := v_0.Args[0]
  1677  		val := v_1
  1678  		mem := v_2
  1679  		if !(is32Bit(int64(off1) + int64(off2))) {
  1680  			break
  1681  		}
  1682  		v.reset(Op386ANDLmodify)
  1683  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1684  		v.Aux = symToAux(sym)
  1685  		v.AddArg3(base, val, mem)
  1686  		return true
  1687  	}
  1688  	// match: (ANDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1689  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1690  	// result: (ANDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1691  	for {
  1692  		off1 := auxIntToInt32(v.AuxInt)
  1693  		sym1 := auxToSym(v.Aux)
  1694  		if v_0.Op != Op386LEAL {
  1695  			break
  1696  		}
  1697  		off2 := auxIntToInt32(v_0.AuxInt)
  1698  		sym2 := auxToSym(v_0.Aux)
  1699  		base := v_0.Args[0]
  1700  		val := v_1
  1701  		mem := v_2
  1702  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1703  			break
  1704  		}
  1705  		v.reset(Op386ANDLmodify)
  1706  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1707  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1708  		v.AddArg3(base, val, mem)
  1709  		return true
  1710  	}
  1711  	return false
  1712  }
  1713  func rewriteValue386_Op386CMPB(v *Value) bool {
  1714  	v_1 := v.Args[1]
  1715  	v_0 := v.Args[0]
  1716  	b := v.Block
  1717  	// match: (CMPB x (MOVLconst [c]))
  1718  	// result: (CMPBconst x [int8(c)])
  1719  	for {
  1720  		x := v_0
  1721  		if v_1.Op != Op386MOVLconst {
  1722  			break
  1723  		}
  1724  		c := auxIntToInt32(v_1.AuxInt)
  1725  		v.reset(Op386CMPBconst)
  1726  		v.AuxInt = int8ToAuxInt(int8(c))
  1727  		v.AddArg(x)
  1728  		return true
  1729  	}
  1730  	// match: (CMPB (MOVLconst [c]) x)
  1731  	// result: (InvertFlags (CMPBconst x [int8(c)]))
  1732  	for {
  1733  		if v_0.Op != Op386MOVLconst {
  1734  			break
  1735  		}
  1736  		c := auxIntToInt32(v_0.AuxInt)
  1737  		x := v_1
  1738  		v.reset(Op386InvertFlags)
  1739  		v0 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  1740  		v0.AuxInt = int8ToAuxInt(int8(c))
  1741  		v0.AddArg(x)
  1742  		v.AddArg(v0)
  1743  		return true
  1744  	}
  1745  	// match: (CMPB x y)
  1746  	// cond: canonLessThan(x,y)
  1747  	// result: (InvertFlags (CMPB y x))
  1748  	for {
  1749  		x := v_0
  1750  		y := v_1
  1751  		if !(canonLessThan(x, y)) {
  1752  			break
  1753  		}
  1754  		v.reset(Op386InvertFlags)
  1755  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  1756  		v0.AddArg2(y, x)
  1757  		v.AddArg(v0)
  1758  		return true
  1759  	}
  1760  	// match: (CMPB l:(MOVBload {sym} [off] ptr mem) x)
  1761  	// cond: canMergeLoad(v, l) && clobber(l)
  1762  	// result: (CMPBload {sym} [off] ptr x mem)
  1763  	for {
  1764  		l := v_0
  1765  		if l.Op != Op386MOVBload {
  1766  			break
  1767  		}
  1768  		off := auxIntToInt32(l.AuxInt)
  1769  		sym := auxToSym(l.Aux)
  1770  		mem := l.Args[1]
  1771  		ptr := l.Args[0]
  1772  		x := v_1
  1773  		if !(canMergeLoad(v, l) && clobber(l)) {
  1774  			break
  1775  		}
  1776  		v.reset(Op386CMPBload)
  1777  		v.AuxInt = int32ToAuxInt(off)
  1778  		v.Aux = symToAux(sym)
  1779  		v.AddArg3(ptr, x, mem)
  1780  		return true
  1781  	}
  1782  	// match: (CMPB x l:(MOVBload {sym} [off] ptr mem))
  1783  	// cond: canMergeLoad(v, l) && clobber(l)
  1784  	// result: (InvertFlags (CMPBload {sym} [off] ptr x mem))
  1785  	for {
  1786  		x := v_0
  1787  		l := v_1
  1788  		if l.Op != Op386MOVBload {
  1789  			break
  1790  		}
  1791  		off := auxIntToInt32(l.AuxInt)
  1792  		sym := auxToSym(l.Aux)
  1793  		mem := l.Args[1]
  1794  		ptr := l.Args[0]
  1795  		if !(canMergeLoad(v, l) && clobber(l)) {
  1796  			break
  1797  		}
  1798  		v.reset(Op386InvertFlags)
  1799  		v0 := b.NewValue0(l.Pos, Op386CMPBload, types.TypeFlags)
  1800  		v0.AuxInt = int32ToAuxInt(off)
  1801  		v0.Aux = symToAux(sym)
  1802  		v0.AddArg3(ptr, x, mem)
  1803  		v.AddArg(v0)
  1804  		return true
  1805  	}
  1806  	return false
  1807  }
  1808  func rewriteValue386_Op386CMPBconst(v *Value) bool {
  1809  	v_0 := v.Args[0]
  1810  	b := v.Block
  1811  	// match: (CMPBconst (MOVLconst [x]) [y])
  1812  	// cond: int8(x)==y
  1813  	// result: (FlagEQ)
  1814  	for {
  1815  		y := auxIntToInt8(v.AuxInt)
  1816  		if v_0.Op != Op386MOVLconst {
  1817  			break
  1818  		}
  1819  		x := auxIntToInt32(v_0.AuxInt)
  1820  		if !(int8(x) == y) {
  1821  			break
  1822  		}
  1823  		v.reset(Op386FlagEQ)
  1824  		return true
  1825  	}
  1826  	// match: (CMPBconst (MOVLconst [x]) [y])
  1827  	// cond: int8(x)<y && uint8(x)<uint8(y)
  1828  	// result: (FlagLT_ULT)
  1829  	for {
  1830  		y := auxIntToInt8(v.AuxInt)
  1831  		if v_0.Op != Op386MOVLconst {
  1832  			break
  1833  		}
  1834  		x := auxIntToInt32(v_0.AuxInt)
  1835  		if !(int8(x) < y && uint8(x) < uint8(y)) {
  1836  			break
  1837  		}
  1838  		v.reset(Op386FlagLT_ULT)
  1839  		return true
  1840  	}
  1841  	// match: (CMPBconst (MOVLconst [x]) [y])
  1842  	// cond: int8(x)<y && uint8(x)>uint8(y)
  1843  	// result: (FlagLT_UGT)
  1844  	for {
  1845  		y := auxIntToInt8(v.AuxInt)
  1846  		if v_0.Op != Op386MOVLconst {
  1847  			break
  1848  		}
  1849  		x := auxIntToInt32(v_0.AuxInt)
  1850  		if !(int8(x) < y && uint8(x) > uint8(y)) {
  1851  			break
  1852  		}
  1853  		v.reset(Op386FlagLT_UGT)
  1854  		return true
  1855  	}
  1856  	// match: (CMPBconst (MOVLconst [x]) [y])
  1857  	// cond: int8(x)>y && uint8(x)<uint8(y)
  1858  	// result: (FlagGT_ULT)
  1859  	for {
  1860  		y := auxIntToInt8(v.AuxInt)
  1861  		if v_0.Op != Op386MOVLconst {
  1862  			break
  1863  		}
  1864  		x := auxIntToInt32(v_0.AuxInt)
  1865  		if !(int8(x) > y && uint8(x) < uint8(y)) {
  1866  			break
  1867  		}
  1868  		v.reset(Op386FlagGT_ULT)
  1869  		return true
  1870  	}
  1871  	// match: (CMPBconst (MOVLconst [x]) [y])
  1872  	// cond: int8(x)>y && uint8(x)>uint8(y)
  1873  	// result: (FlagGT_UGT)
  1874  	for {
  1875  		y := auxIntToInt8(v.AuxInt)
  1876  		if v_0.Op != Op386MOVLconst {
  1877  			break
  1878  		}
  1879  		x := auxIntToInt32(v_0.AuxInt)
  1880  		if !(int8(x) > y && uint8(x) > uint8(y)) {
  1881  			break
  1882  		}
  1883  		v.reset(Op386FlagGT_UGT)
  1884  		return true
  1885  	}
  1886  	// match: (CMPBconst (ANDLconst _ [m]) [n])
  1887  	// cond: 0 <= int8(m) && int8(m) < n
  1888  	// result: (FlagLT_ULT)
  1889  	for {
  1890  		n := auxIntToInt8(v.AuxInt)
  1891  		if v_0.Op != Op386ANDLconst {
  1892  			break
  1893  		}
  1894  		m := auxIntToInt32(v_0.AuxInt)
  1895  		if !(0 <= int8(m) && int8(m) < n) {
  1896  			break
  1897  		}
  1898  		v.reset(Op386FlagLT_ULT)
  1899  		return true
  1900  	}
  1901  	// match: (CMPBconst l:(ANDL x y) [0])
  1902  	// cond: l.Uses==1
  1903  	// result: (TESTB x y)
  1904  	for {
  1905  		if auxIntToInt8(v.AuxInt) != 0 {
  1906  			break
  1907  		}
  1908  		l := v_0
  1909  		if l.Op != Op386ANDL {
  1910  			break
  1911  		}
  1912  		y := l.Args[1]
  1913  		x := l.Args[0]
  1914  		if !(l.Uses == 1) {
  1915  			break
  1916  		}
  1917  		v.reset(Op386TESTB)
  1918  		v.AddArg2(x, y)
  1919  		return true
  1920  	}
  1921  	// match: (CMPBconst l:(ANDLconst [c] x) [0])
  1922  	// cond: l.Uses==1
  1923  	// result: (TESTBconst [int8(c)] x)
  1924  	for {
  1925  		if auxIntToInt8(v.AuxInt) != 0 {
  1926  			break
  1927  		}
  1928  		l := v_0
  1929  		if l.Op != Op386ANDLconst {
  1930  			break
  1931  		}
  1932  		c := auxIntToInt32(l.AuxInt)
  1933  		x := l.Args[0]
  1934  		if !(l.Uses == 1) {
  1935  			break
  1936  		}
  1937  		v.reset(Op386TESTBconst)
  1938  		v.AuxInt = int8ToAuxInt(int8(c))
  1939  		v.AddArg(x)
  1940  		return true
  1941  	}
  1942  	// match: (CMPBconst x [0])
  1943  	// result: (TESTB x x)
  1944  	for {
  1945  		if auxIntToInt8(v.AuxInt) != 0 {
  1946  			break
  1947  		}
  1948  		x := v_0
  1949  		v.reset(Op386TESTB)
  1950  		v.AddArg2(x, x)
  1951  		return true
  1952  	}
  1953  	// match: (CMPBconst l:(MOVBload {sym} [off] ptr mem) [c])
  1954  	// cond: l.Uses == 1 && clobber(l)
  1955  	// result: @l.Block (CMPBconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  1956  	for {
  1957  		c := auxIntToInt8(v.AuxInt)
  1958  		l := v_0
  1959  		if l.Op != Op386MOVBload {
  1960  			break
  1961  		}
  1962  		off := auxIntToInt32(l.AuxInt)
  1963  		sym := auxToSym(l.Aux)
  1964  		mem := l.Args[1]
  1965  		ptr := l.Args[0]
  1966  		if !(l.Uses == 1 && clobber(l)) {
  1967  			break
  1968  		}
  1969  		b = l.Block
  1970  		v0 := b.NewValue0(l.Pos, Op386CMPBconstload, types.TypeFlags)
  1971  		v.copyOf(v0)
  1972  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  1973  		v0.Aux = symToAux(sym)
  1974  		v0.AddArg2(ptr, mem)
  1975  		return true
  1976  	}
  1977  	return false
  1978  }
  1979  func rewriteValue386_Op386CMPBload(v *Value) bool {
  1980  	v_2 := v.Args[2]
  1981  	v_1 := v.Args[1]
  1982  	v_0 := v.Args[0]
  1983  	// match: (CMPBload {sym} [off] ptr (MOVLconst [c]) mem)
  1984  	// result: (CMPBconstload {sym} [makeValAndOff(int32(int8(c)),off)] ptr mem)
  1985  	for {
  1986  		off := auxIntToInt32(v.AuxInt)
  1987  		sym := auxToSym(v.Aux)
  1988  		ptr := v_0
  1989  		if v_1.Op != Op386MOVLconst {
  1990  			break
  1991  		}
  1992  		c := auxIntToInt32(v_1.AuxInt)
  1993  		mem := v_2
  1994  		v.reset(Op386CMPBconstload)
  1995  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int8(c)), off))
  1996  		v.Aux = symToAux(sym)
  1997  		v.AddArg2(ptr, mem)
  1998  		return true
  1999  	}
  2000  	return false
  2001  }
  2002  func rewriteValue386_Op386CMPL(v *Value) bool {
  2003  	v_1 := v.Args[1]
  2004  	v_0 := v.Args[0]
  2005  	b := v.Block
  2006  	// match: (CMPL x (MOVLconst [c]))
  2007  	// result: (CMPLconst x [c])
  2008  	for {
  2009  		x := v_0
  2010  		if v_1.Op != Op386MOVLconst {
  2011  			break
  2012  		}
  2013  		c := auxIntToInt32(v_1.AuxInt)
  2014  		v.reset(Op386CMPLconst)
  2015  		v.AuxInt = int32ToAuxInt(c)
  2016  		v.AddArg(x)
  2017  		return true
  2018  	}
  2019  	// match: (CMPL (MOVLconst [c]) x)
  2020  	// result: (InvertFlags (CMPLconst x [c]))
  2021  	for {
  2022  		if v_0.Op != Op386MOVLconst {
  2023  			break
  2024  		}
  2025  		c := auxIntToInt32(v_0.AuxInt)
  2026  		x := v_1
  2027  		v.reset(Op386InvertFlags)
  2028  		v0 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  2029  		v0.AuxInt = int32ToAuxInt(c)
  2030  		v0.AddArg(x)
  2031  		v.AddArg(v0)
  2032  		return true
  2033  	}
  2034  	// match: (CMPL x y)
  2035  	// cond: canonLessThan(x,y)
  2036  	// result: (InvertFlags (CMPL y x))
  2037  	for {
  2038  		x := v_0
  2039  		y := v_1
  2040  		if !(canonLessThan(x, y)) {
  2041  			break
  2042  		}
  2043  		v.reset(Op386InvertFlags)
  2044  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  2045  		v0.AddArg2(y, x)
  2046  		v.AddArg(v0)
  2047  		return true
  2048  	}
  2049  	// match: (CMPL l:(MOVLload {sym} [off] ptr mem) x)
  2050  	// cond: canMergeLoad(v, l) && clobber(l)
  2051  	// result: (CMPLload {sym} [off] ptr x mem)
  2052  	for {
  2053  		l := v_0
  2054  		if l.Op != Op386MOVLload {
  2055  			break
  2056  		}
  2057  		off := auxIntToInt32(l.AuxInt)
  2058  		sym := auxToSym(l.Aux)
  2059  		mem := l.Args[1]
  2060  		ptr := l.Args[0]
  2061  		x := v_1
  2062  		if !(canMergeLoad(v, l) && clobber(l)) {
  2063  			break
  2064  		}
  2065  		v.reset(Op386CMPLload)
  2066  		v.AuxInt = int32ToAuxInt(off)
  2067  		v.Aux = symToAux(sym)
  2068  		v.AddArg3(ptr, x, mem)
  2069  		return true
  2070  	}
  2071  	// match: (CMPL x l:(MOVLload {sym} [off] ptr mem))
  2072  	// cond: canMergeLoad(v, l) && clobber(l)
  2073  	// result: (InvertFlags (CMPLload {sym} [off] ptr x mem))
  2074  	for {
  2075  		x := v_0
  2076  		l := v_1
  2077  		if l.Op != Op386MOVLload {
  2078  			break
  2079  		}
  2080  		off := auxIntToInt32(l.AuxInt)
  2081  		sym := auxToSym(l.Aux)
  2082  		mem := l.Args[1]
  2083  		ptr := l.Args[0]
  2084  		if !(canMergeLoad(v, l) && clobber(l)) {
  2085  			break
  2086  		}
  2087  		v.reset(Op386InvertFlags)
  2088  		v0 := b.NewValue0(l.Pos, Op386CMPLload, types.TypeFlags)
  2089  		v0.AuxInt = int32ToAuxInt(off)
  2090  		v0.Aux = symToAux(sym)
  2091  		v0.AddArg3(ptr, x, mem)
  2092  		v.AddArg(v0)
  2093  		return true
  2094  	}
  2095  	return false
  2096  }
  2097  func rewriteValue386_Op386CMPLconst(v *Value) bool {
  2098  	v_0 := v.Args[0]
  2099  	b := v.Block
  2100  	// match: (CMPLconst (MOVLconst [x]) [y])
  2101  	// cond: x==y
  2102  	// result: (FlagEQ)
  2103  	for {
  2104  		y := auxIntToInt32(v.AuxInt)
  2105  		if v_0.Op != Op386MOVLconst {
  2106  			break
  2107  		}
  2108  		x := auxIntToInt32(v_0.AuxInt)
  2109  		if !(x == y) {
  2110  			break
  2111  		}
  2112  		v.reset(Op386FlagEQ)
  2113  		return true
  2114  	}
  2115  	// match: (CMPLconst (MOVLconst [x]) [y])
  2116  	// cond: x<y && uint32(x)<uint32(y)
  2117  	// result: (FlagLT_ULT)
  2118  	for {
  2119  		y := auxIntToInt32(v.AuxInt)
  2120  		if v_0.Op != Op386MOVLconst {
  2121  			break
  2122  		}
  2123  		x := auxIntToInt32(v_0.AuxInt)
  2124  		if !(x < y && uint32(x) < uint32(y)) {
  2125  			break
  2126  		}
  2127  		v.reset(Op386FlagLT_ULT)
  2128  		return true
  2129  	}
  2130  	// match: (CMPLconst (MOVLconst [x]) [y])
  2131  	// cond: x<y && uint32(x)>uint32(y)
  2132  	// result: (FlagLT_UGT)
  2133  	for {
  2134  		y := auxIntToInt32(v.AuxInt)
  2135  		if v_0.Op != Op386MOVLconst {
  2136  			break
  2137  		}
  2138  		x := auxIntToInt32(v_0.AuxInt)
  2139  		if !(x < y && uint32(x) > uint32(y)) {
  2140  			break
  2141  		}
  2142  		v.reset(Op386FlagLT_UGT)
  2143  		return true
  2144  	}
  2145  	// match: (CMPLconst (MOVLconst [x]) [y])
  2146  	// cond: x>y && uint32(x)<uint32(y)
  2147  	// result: (FlagGT_ULT)
  2148  	for {
  2149  		y := auxIntToInt32(v.AuxInt)
  2150  		if v_0.Op != Op386MOVLconst {
  2151  			break
  2152  		}
  2153  		x := auxIntToInt32(v_0.AuxInt)
  2154  		if !(x > y && uint32(x) < uint32(y)) {
  2155  			break
  2156  		}
  2157  		v.reset(Op386FlagGT_ULT)
  2158  		return true
  2159  	}
  2160  	// match: (CMPLconst (MOVLconst [x]) [y])
  2161  	// cond: x>y && uint32(x)>uint32(y)
  2162  	// result: (FlagGT_UGT)
  2163  	for {
  2164  		y := auxIntToInt32(v.AuxInt)
  2165  		if v_0.Op != Op386MOVLconst {
  2166  			break
  2167  		}
  2168  		x := auxIntToInt32(v_0.AuxInt)
  2169  		if !(x > y && uint32(x) > uint32(y)) {
  2170  			break
  2171  		}
  2172  		v.reset(Op386FlagGT_UGT)
  2173  		return true
  2174  	}
  2175  	// match: (CMPLconst (SHRLconst _ [c]) [n])
  2176  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  2177  	// result: (FlagLT_ULT)
  2178  	for {
  2179  		n := auxIntToInt32(v.AuxInt)
  2180  		if v_0.Op != Op386SHRLconst {
  2181  			break
  2182  		}
  2183  		c := auxIntToInt32(v_0.AuxInt)
  2184  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  2185  			break
  2186  		}
  2187  		v.reset(Op386FlagLT_ULT)
  2188  		return true
  2189  	}
  2190  	// match: (CMPLconst (ANDLconst _ [m]) [n])
  2191  	// cond: 0 <= m && m < n
  2192  	// result: (FlagLT_ULT)
  2193  	for {
  2194  		n := auxIntToInt32(v.AuxInt)
  2195  		if v_0.Op != Op386ANDLconst {
  2196  			break
  2197  		}
  2198  		m := auxIntToInt32(v_0.AuxInt)
  2199  		if !(0 <= m && m < n) {
  2200  			break
  2201  		}
  2202  		v.reset(Op386FlagLT_ULT)
  2203  		return true
  2204  	}
  2205  	// match: (CMPLconst l:(ANDL x y) [0])
  2206  	// cond: l.Uses==1
  2207  	// result: (TESTL x y)
  2208  	for {
  2209  		if auxIntToInt32(v.AuxInt) != 0 {
  2210  			break
  2211  		}
  2212  		l := v_0
  2213  		if l.Op != Op386ANDL {
  2214  			break
  2215  		}
  2216  		y := l.Args[1]
  2217  		x := l.Args[0]
  2218  		if !(l.Uses == 1) {
  2219  			break
  2220  		}
  2221  		v.reset(Op386TESTL)
  2222  		v.AddArg2(x, y)
  2223  		return true
  2224  	}
  2225  	// match: (CMPLconst l:(ANDLconst [c] x) [0])
  2226  	// cond: l.Uses==1
  2227  	// result: (TESTLconst [c] x)
  2228  	for {
  2229  		if auxIntToInt32(v.AuxInt) != 0 {
  2230  			break
  2231  		}
  2232  		l := v_0
  2233  		if l.Op != Op386ANDLconst {
  2234  			break
  2235  		}
  2236  		c := auxIntToInt32(l.AuxInt)
  2237  		x := l.Args[0]
  2238  		if !(l.Uses == 1) {
  2239  			break
  2240  		}
  2241  		v.reset(Op386TESTLconst)
  2242  		v.AuxInt = int32ToAuxInt(c)
  2243  		v.AddArg(x)
  2244  		return true
  2245  	}
  2246  	// match: (CMPLconst x [0])
  2247  	// result: (TESTL x x)
  2248  	for {
  2249  		if auxIntToInt32(v.AuxInt) != 0 {
  2250  			break
  2251  		}
  2252  		x := v_0
  2253  		v.reset(Op386TESTL)
  2254  		v.AddArg2(x, x)
  2255  		return true
  2256  	}
  2257  	// match: (CMPLconst l:(MOVLload {sym} [off] ptr mem) [c])
  2258  	// cond: l.Uses == 1 && clobber(l)
  2259  	// result: @l.Block (CMPLconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2260  	for {
  2261  		c := auxIntToInt32(v.AuxInt)
  2262  		l := v_0
  2263  		if l.Op != Op386MOVLload {
  2264  			break
  2265  		}
  2266  		off := auxIntToInt32(l.AuxInt)
  2267  		sym := auxToSym(l.Aux)
  2268  		mem := l.Args[1]
  2269  		ptr := l.Args[0]
  2270  		if !(l.Uses == 1 && clobber(l)) {
  2271  			break
  2272  		}
  2273  		b = l.Block
  2274  		v0 := b.NewValue0(l.Pos, Op386CMPLconstload, types.TypeFlags)
  2275  		v.copyOf(v0)
  2276  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2277  		v0.Aux = symToAux(sym)
  2278  		v0.AddArg2(ptr, mem)
  2279  		return true
  2280  	}
  2281  	return false
  2282  }
  2283  func rewriteValue386_Op386CMPLload(v *Value) bool {
  2284  	v_2 := v.Args[2]
  2285  	v_1 := v.Args[1]
  2286  	v_0 := v.Args[0]
  2287  	// match: (CMPLload {sym} [off] ptr (MOVLconst [c]) mem)
  2288  	// result: (CMPLconstload {sym} [makeValAndOff(c,off)] ptr mem)
  2289  	for {
  2290  		off := auxIntToInt32(v.AuxInt)
  2291  		sym := auxToSym(v.Aux)
  2292  		ptr := v_0
  2293  		if v_1.Op != Op386MOVLconst {
  2294  			break
  2295  		}
  2296  		c := auxIntToInt32(v_1.AuxInt)
  2297  		mem := v_2
  2298  		v.reset(Op386CMPLconstload)
  2299  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  2300  		v.Aux = symToAux(sym)
  2301  		v.AddArg2(ptr, mem)
  2302  		return true
  2303  	}
  2304  	return false
  2305  }
  2306  func rewriteValue386_Op386CMPW(v *Value) bool {
  2307  	v_1 := v.Args[1]
  2308  	v_0 := v.Args[0]
  2309  	b := v.Block
  2310  	// match: (CMPW x (MOVLconst [c]))
  2311  	// result: (CMPWconst x [int16(c)])
  2312  	for {
  2313  		x := v_0
  2314  		if v_1.Op != Op386MOVLconst {
  2315  			break
  2316  		}
  2317  		c := auxIntToInt32(v_1.AuxInt)
  2318  		v.reset(Op386CMPWconst)
  2319  		v.AuxInt = int16ToAuxInt(int16(c))
  2320  		v.AddArg(x)
  2321  		return true
  2322  	}
  2323  	// match: (CMPW (MOVLconst [c]) x)
  2324  	// result: (InvertFlags (CMPWconst x [int16(c)]))
  2325  	for {
  2326  		if v_0.Op != Op386MOVLconst {
  2327  			break
  2328  		}
  2329  		c := auxIntToInt32(v_0.AuxInt)
  2330  		x := v_1
  2331  		v.reset(Op386InvertFlags)
  2332  		v0 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  2333  		v0.AuxInt = int16ToAuxInt(int16(c))
  2334  		v0.AddArg(x)
  2335  		v.AddArg(v0)
  2336  		return true
  2337  	}
  2338  	// match: (CMPW x y)
  2339  	// cond: canonLessThan(x,y)
  2340  	// result: (InvertFlags (CMPW y x))
  2341  	for {
  2342  		x := v_0
  2343  		y := v_1
  2344  		if !(canonLessThan(x, y)) {
  2345  			break
  2346  		}
  2347  		v.reset(Op386InvertFlags)
  2348  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  2349  		v0.AddArg2(y, x)
  2350  		v.AddArg(v0)
  2351  		return true
  2352  	}
  2353  	// match: (CMPW l:(MOVWload {sym} [off] ptr mem) x)
  2354  	// cond: canMergeLoad(v, l) && clobber(l)
  2355  	// result: (CMPWload {sym} [off] ptr x mem)
  2356  	for {
  2357  		l := v_0
  2358  		if l.Op != Op386MOVWload {
  2359  			break
  2360  		}
  2361  		off := auxIntToInt32(l.AuxInt)
  2362  		sym := auxToSym(l.Aux)
  2363  		mem := l.Args[1]
  2364  		ptr := l.Args[0]
  2365  		x := v_1
  2366  		if !(canMergeLoad(v, l) && clobber(l)) {
  2367  			break
  2368  		}
  2369  		v.reset(Op386CMPWload)
  2370  		v.AuxInt = int32ToAuxInt(off)
  2371  		v.Aux = symToAux(sym)
  2372  		v.AddArg3(ptr, x, mem)
  2373  		return true
  2374  	}
  2375  	// match: (CMPW x l:(MOVWload {sym} [off] ptr mem))
  2376  	// cond: canMergeLoad(v, l) && clobber(l)
  2377  	// result: (InvertFlags (CMPWload {sym} [off] ptr x mem))
  2378  	for {
  2379  		x := v_0
  2380  		l := v_1
  2381  		if l.Op != Op386MOVWload {
  2382  			break
  2383  		}
  2384  		off := auxIntToInt32(l.AuxInt)
  2385  		sym := auxToSym(l.Aux)
  2386  		mem := l.Args[1]
  2387  		ptr := l.Args[0]
  2388  		if !(canMergeLoad(v, l) && clobber(l)) {
  2389  			break
  2390  		}
  2391  		v.reset(Op386InvertFlags)
  2392  		v0 := b.NewValue0(l.Pos, Op386CMPWload, types.TypeFlags)
  2393  		v0.AuxInt = int32ToAuxInt(off)
  2394  		v0.Aux = symToAux(sym)
  2395  		v0.AddArg3(ptr, x, mem)
  2396  		v.AddArg(v0)
  2397  		return true
  2398  	}
  2399  	return false
  2400  }
  2401  func rewriteValue386_Op386CMPWconst(v *Value) bool {
  2402  	v_0 := v.Args[0]
  2403  	b := v.Block
  2404  	// match: (CMPWconst (MOVLconst [x]) [y])
  2405  	// cond: int16(x)==y
  2406  	// result: (FlagEQ)
  2407  	for {
  2408  		y := auxIntToInt16(v.AuxInt)
  2409  		if v_0.Op != Op386MOVLconst {
  2410  			break
  2411  		}
  2412  		x := auxIntToInt32(v_0.AuxInt)
  2413  		if !(int16(x) == y) {
  2414  			break
  2415  		}
  2416  		v.reset(Op386FlagEQ)
  2417  		return true
  2418  	}
  2419  	// match: (CMPWconst (MOVLconst [x]) [y])
  2420  	// cond: int16(x)<y && uint16(x)<uint16(y)
  2421  	// result: (FlagLT_ULT)
  2422  	for {
  2423  		y := auxIntToInt16(v.AuxInt)
  2424  		if v_0.Op != Op386MOVLconst {
  2425  			break
  2426  		}
  2427  		x := auxIntToInt32(v_0.AuxInt)
  2428  		if !(int16(x) < y && uint16(x) < uint16(y)) {
  2429  			break
  2430  		}
  2431  		v.reset(Op386FlagLT_ULT)
  2432  		return true
  2433  	}
  2434  	// match: (CMPWconst (MOVLconst [x]) [y])
  2435  	// cond: int16(x)<y && uint16(x)>uint16(y)
  2436  	// result: (FlagLT_UGT)
  2437  	for {
  2438  		y := auxIntToInt16(v.AuxInt)
  2439  		if v_0.Op != Op386MOVLconst {
  2440  			break
  2441  		}
  2442  		x := auxIntToInt32(v_0.AuxInt)
  2443  		if !(int16(x) < y && uint16(x) > uint16(y)) {
  2444  			break
  2445  		}
  2446  		v.reset(Op386FlagLT_UGT)
  2447  		return true
  2448  	}
  2449  	// match: (CMPWconst (MOVLconst [x]) [y])
  2450  	// cond: int16(x)>y && uint16(x)<uint16(y)
  2451  	// result: (FlagGT_ULT)
  2452  	for {
  2453  		y := auxIntToInt16(v.AuxInt)
  2454  		if v_0.Op != Op386MOVLconst {
  2455  			break
  2456  		}
  2457  		x := auxIntToInt32(v_0.AuxInt)
  2458  		if !(int16(x) > y && uint16(x) < uint16(y)) {
  2459  			break
  2460  		}
  2461  		v.reset(Op386FlagGT_ULT)
  2462  		return true
  2463  	}
  2464  	// match: (CMPWconst (MOVLconst [x]) [y])
  2465  	// cond: int16(x)>y && uint16(x)>uint16(y)
  2466  	// result: (FlagGT_UGT)
  2467  	for {
  2468  		y := auxIntToInt16(v.AuxInt)
  2469  		if v_0.Op != Op386MOVLconst {
  2470  			break
  2471  		}
  2472  		x := auxIntToInt32(v_0.AuxInt)
  2473  		if !(int16(x) > y && uint16(x) > uint16(y)) {
  2474  			break
  2475  		}
  2476  		v.reset(Op386FlagGT_UGT)
  2477  		return true
  2478  	}
  2479  	// match: (CMPWconst (ANDLconst _ [m]) [n])
  2480  	// cond: 0 <= int16(m) && int16(m) < n
  2481  	// result: (FlagLT_ULT)
  2482  	for {
  2483  		n := auxIntToInt16(v.AuxInt)
  2484  		if v_0.Op != Op386ANDLconst {
  2485  			break
  2486  		}
  2487  		m := auxIntToInt32(v_0.AuxInt)
  2488  		if !(0 <= int16(m) && int16(m) < n) {
  2489  			break
  2490  		}
  2491  		v.reset(Op386FlagLT_ULT)
  2492  		return true
  2493  	}
  2494  	// match: (CMPWconst l:(ANDL x y) [0])
  2495  	// cond: l.Uses==1
  2496  	// result: (TESTW x y)
  2497  	for {
  2498  		if auxIntToInt16(v.AuxInt) != 0 {
  2499  			break
  2500  		}
  2501  		l := v_0
  2502  		if l.Op != Op386ANDL {
  2503  			break
  2504  		}
  2505  		y := l.Args[1]
  2506  		x := l.Args[0]
  2507  		if !(l.Uses == 1) {
  2508  			break
  2509  		}
  2510  		v.reset(Op386TESTW)
  2511  		v.AddArg2(x, y)
  2512  		return true
  2513  	}
  2514  	// match: (CMPWconst l:(ANDLconst [c] x) [0])
  2515  	// cond: l.Uses==1
  2516  	// result: (TESTWconst [int16(c)] x)
  2517  	for {
  2518  		if auxIntToInt16(v.AuxInt) != 0 {
  2519  			break
  2520  		}
  2521  		l := v_0
  2522  		if l.Op != Op386ANDLconst {
  2523  			break
  2524  		}
  2525  		c := auxIntToInt32(l.AuxInt)
  2526  		x := l.Args[0]
  2527  		if !(l.Uses == 1) {
  2528  			break
  2529  		}
  2530  		v.reset(Op386TESTWconst)
  2531  		v.AuxInt = int16ToAuxInt(int16(c))
  2532  		v.AddArg(x)
  2533  		return true
  2534  	}
  2535  	// match: (CMPWconst x [0])
  2536  	// result: (TESTW x x)
  2537  	for {
  2538  		if auxIntToInt16(v.AuxInt) != 0 {
  2539  			break
  2540  		}
  2541  		x := v_0
  2542  		v.reset(Op386TESTW)
  2543  		v.AddArg2(x, x)
  2544  		return true
  2545  	}
  2546  	// match: (CMPWconst l:(MOVWload {sym} [off] ptr mem) [c])
  2547  	// cond: l.Uses == 1 && clobber(l)
  2548  	// result: @l.Block (CMPWconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2549  	for {
  2550  		c := auxIntToInt16(v.AuxInt)
  2551  		l := v_0
  2552  		if l.Op != Op386MOVWload {
  2553  			break
  2554  		}
  2555  		off := auxIntToInt32(l.AuxInt)
  2556  		sym := auxToSym(l.Aux)
  2557  		mem := l.Args[1]
  2558  		ptr := l.Args[0]
  2559  		if !(l.Uses == 1 && clobber(l)) {
  2560  			break
  2561  		}
  2562  		b = l.Block
  2563  		v0 := b.NewValue0(l.Pos, Op386CMPWconstload, types.TypeFlags)
  2564  		v.copyOf(v0)
  2565  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2566  		v0.Aux = symToAux(sym)
  2567  		v0.AddArg2(ptr, mem)
  2568  		return true
  2569  	}
  2570  	return false
  2571  }
  2572  func rewriteValue386_Op386CMPWload(v *Value) bool {
  2573  	v_2 := v.Args[2]
  2574  	v_1 := v.Args[1]
  2575  	v_0 := v.Args[0]
  2576  	// match: (CMPWload {sym} [off] ptr (MOVLconst [c]) mem)
  2577  	// result: (CMPWconstload {sym} [makeValAndOff(int32(int16(c)),off)] ptr mem)
  2578  	for {
  2579  		off := auxIntToInt32(v.AuxInt)
  2580  		sym := auxToSym(v.Aux)
  2581  		ptr := v_0
  2582  		if v_1.Op != Op386MOVLconst {
  2583  			break
  2584  		}
  2585  		c := auxIntToInt32(v_1.AuxInt)
  2586  		mem := v_2
  2587  		v.reset(Op386CMPWconstload)
  2588  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int16(c)), off))
  2589  		v.Aux = symToAux(sym)
  2590  		v.AddArg2(ptr, mem)
  2591  		return true
  2592  	}
  2593  	return false
  2594  }
  2595  func rewriteValue386_Op386DIVSD(v *Value) bool {
  2596  	v_1 := v.Args[1]
  2597  	v_0 := v.Args[0]
  2598  	// match: (DIVSD x l:(MOVSDload [off] {sym} ptr mem))
  2599  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2600  	// result: (DIVSDload x [off] {sym} ptr mem)
  2601  	for {
  2602  		x := v_0
  2603  		l := v_1
  2604  		if l.Op != Op386MOVSDload {
  2605  			break
  2606  		}
  2607  		off := auxIntToInt32(l.AuxInt)
  2608  		sym := auxToSym(l.Aux)
  2609  		mem := l.Args[1]
  2610  		ptr := l.Args[0]
  2611  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2612  			break
  2613  		}
  2614  		v.reset(Op386DIVSDload)
  2615  		v.AuxInt = int32ToAuxInt(off)
  2616  		v.Aux = symToAux(sym)
  2617  		v.AddArg3(x, ptr, mem)
  2618  		return true
  2619  	}
  2620  	return false
  2621  }
  2622  func rewriteValue386_Op386DIVSDload(v *Value) bool {
  2623  	v_2 := v.Args[2]
  2624  	v_1 := v.Args[1]
  2625  	v_0 := v.Args[0]
  2626  	b := v.Block
  2627  	config := b.Func.Config
  2628  	// match: (DIVSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  2629  	// cond: is32Bit(int64(off1)+int64(off2))
  2630  	// result: (DIVSDload [off1+off2] {sym} val base mem)
  2631  	for {
  2632  		off1 := auxIntToInt32(v.AuxInt)
  2633  		sym := auxToSym(v.Aux)
  2634  		val := v_0
  2635  		if v_1.Op != Op386ADDLconst {
  2636  			break
  2637  		}
  2638  		off2 := auxIntToInt32(v_1.AuxInt)
  2639  		base := v_1.Args[0]
  2640  		mem := v_2
  2641  		if !(is32Bit(int64(off1) + int64(off2))) {
  2642  			break
  2643  		}
  2644  		v.reset(Op386DIVSDload)
  2645  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2646  		v.Aux = symToAux(sym)
  2647  		v.AddArg3(val, base, mem)
  2648  		return true
  2649  	}
  2650  	// match: (DIVSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2651  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2652  	// result: (DIVSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2653  	for {
  2654  		off1 := auxIntToInt32(v.AuxInt)
  2655  		sym1 := auxToSym(v.Aux)
  2656  		val := v_0
  2657  		if v_1.Op != Op386LEAL {
  2658  			break
  2659  		}
  2660  		off2 := auxIntToInt32(v_1.AuxInt)
  2661  		sym2 := auxToSym(v_1.Aux)
  2662  		base := v_1.Args[0]
  2663  		mem := v_2
  2664  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2665  			break
  2666  		}
  2667  		v.reset(Op386DIVSDload)
  2668  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2669  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2670  		v.AddArg3(val, base, mem)
  2671  		return true
  2672  	}
  2673  	return false
  2674  }
  2675  func rewriteValue386_Op386DIVSS(v *Value) bool {
  2676  	v_1 := v.Args[1]
  2677  	v_0 := v.Args[0]
  2678  	// match: (DIVSS x l:(MOVSSload [off] {sym} ptr mem))
  2679  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2680  	// result: (DIVSSload x [off] {sym} ptr mem)
  2681  	for {
  2682  		x := v_0
  2683  		l := v_1
  2684  		if l.Op != Op386MOVSSload {
  2685  			break
  2686  		}
  2687  		off := auxIntToInt32(l.AuxInt)
  2688  		sym := auxToSym(l.Aux)
  2689  		mem := l.Args[1]
  2690  		ptr := l.Args[0]
  2691  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2692  			break
  2693  		}
  2694  		v.reset(Op386DIVSSload)
  2695  		v.AuxInt = int32ToAuxInt(off)
  2696  		v.Aux = symToAux(sym)
  2697  		v.AddArg3(x, ptr, mem)
  2698  		return true
  2699  	}
  2700  	return false
  2701  }
  2702  func rewriteValue386_Op386DIVSSload(v *Value) bool {
  2703  	v_2 := v.Args[2]
  2704  	v_1 := v.Args[1]
  2705  	v_0 := v.Args[0]
  2706  	b := v.Block
  2707  	config := b.Func.Config
  2708  	// match: (DIVSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  2709  	// cond: is32Bit(int64(off1)+int64(off2))
  2710  	// result: (DIVSSload [off1+off2] {sym} val base mem)
  2711  	for {
  2712  		off1 := auxIntToInt32(v.AuxInt)
  2713  		sym := auxToSym(v.Aux)
  2714  		val := v_0
  2715  		if v_1.Op != Op386ADDLconst {
  2716  			break
  2717  		}
  2718  		off2 := auxIntToInt32(v_1.AuxInt)
  2719  		base := v_1.Args[0]
  2720  		mem := v_2
  2721  		if !(is32Bit(int64(off1) + int64(off2))) {
  2722  			break
  2723  		}
  2724  		v.reset(Op386DIVSSload)
  2725  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2726  		v.Aux = symToAux(sym)
  2727  		v.AddArg3(val, base, mem)
  2728  		return true
  2729  	}
  2730  	// match: (DIVSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2731  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2732  	// result: (DIVSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2733  	for {
  2734  		off1 := auxIntToInt32(v.AuxInt)
  2735  		sym1 := auxToSym(v.Aux)
  2736  		val := v_0
  2737  		if v_1.Op != Op386LEAL {
  2738  			break
  2739  		}
  2740  		off2 := auxIntToInt32(v_1.AuxInt)
  2741  		sym2 := auxToSym(v_1.Aux)
  2742  		base := v_1.Args[0]
  2743  		mem := v_2
  2744  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2745  			break
  2746  		}
  2747  		v.reset(Op386DIVSSload)
  2748  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2749  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2750  		v.AddArg3(val, base, mem)
  2751  		return true
  2752  	}
  2753  	return false
  2754  }
  2755  func rewriteValue386_Op386LEAL(v *Value) bool {
  2756  	v_0 := v.Args[0]
  2757  	// match: (LEAL [c] {s} (ADDLconst [d] x))
  2758  	// cond: is32Bit(int64(c)+int64(d))
  2759  	// result: (LEAL [c+d] {s} x)
  2760  	for {
  2761  		c := auxIntToInt32(v.AuxInt)
  2762  		s := auxToSym(v.Aux)
  2763  		if v_0.Op != Op386ADDLconst {
  2764  			break
  2765  		}
  2766  		d := auxIntToInt32(v_0.AuxInt)
  2767  		x := v_0.Args[0]
  2768  		if !(is32Bit(int64(c) + int64(d))) {
  2769  			break
  2770  		}
  2771  		v.reset(Op386LEAL)
  2772  		v.AuxInt = int32ToAuxInt(c + d)
  2773  		v.Aux = symToAux(s)
  2774  		v.AddArg(x)
  2775  		return true
  2776  	}
  2777  	// match: (LEAL [c] {s} (ADDL x y))
  2778  	// cond: x.Op != OpSB && y.Op != OpSB
  2779  	// result: (LEAL1 [c] {s} x y)
  2780  	for {
  2781  		c := auxIntToInt32(v.AuxInt)
  2782  		s := auxToSym(v.Aux)
  2783  		if v_0.Op != Op386ADDL {
  2784  			break
  2785  		}
  2786  		_ = v_0.Args[1]
  2787  		v_0_0 := v_0.Args[0]
  2788  		v_0_1 := v_0.Args[1]
  2789  		for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  2790  			x := v_0_0
  2791  			y := v_0_1
  2792  			if !(x.Op != OpSB && y.Op != OpSB) {
  2793  				continue
  2794  			}
  2795  			v.reset(Op386LEAL1)
  2796  			v.AuxInt = int32ToAuxInt(c)
  2797  			v.Aux = symToAux(s)
  2798  			v.AddArg2(x, y)
  2799  			return true
  2800  		}
  2801  		break
  2802  	}
  2803  	// match: (LEAL [off1] {sym1} (LEAL [off2] {sym2} x))
  2804  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2805  	// result: (LEAL [off1+off2] {mergeSym(sym1,sym2)} x)
  2806  	for {
  2807  		off1 := auxIntToInt32(v.AuxInt)
  2808  		sym1 := auxToSym(v.Aux)
  2809  		if v_0.Op != Op386LEAL {
  2810  			break
  2811  		}
  2812  		off2 := auxIntToInt32(v_0.AuxInt)
  2813  		sym2 := auxToSym(v_0.Aux)
  2814  		x := v_0.Args[0]
  2815  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2816  			break
  2817  		}
  2818  		v.reset(Op386LEAL)
  2819  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2820  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2821  		v.AddArg(x)
  2822  		return true
  2823  	}
  2824  	// match: (LEAL [off1] {sym1} (LEAL1 [off2] {sym2} x y))
  2825  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2826  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2827  	for {
  2828  		off1 := auxIntToInt32(v.AuxInt)
  2829  		sym1 := auxToSym(v.Aux)
  2830  		if v_0.Op != Op386LEAL1 {
  2831  			break
  2832  		}
  2833  		off2 := auxIntToInt32(v_0.AuxInt)
  2834  		sym2 := auxToSym(v_0.Aux)
  2835  		y := v_0.Args[1]
  2836  		x := v_0.Args[0]
  2837  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2838  			break
  2839  		}
  2840  		v.reset(Op386LEAL1)
  2841  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2842  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2843  		v.AddArg2(x, y)
  2844  		return true
  2845  	}
  2846  	// match: (LEAL [off1] {sym1} (LEAL2 [off2] {sym2} x y))
  2847  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2848  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2849  	for {
  2850  		off1 := auxIntToInt32(v.AuxInt)
  2851  		sym1 := auxToSym(v.Aux)
  2852  		if v_0.Op != Op386LEAL2 {
  2853  			break
  2854  		}
  2855  		off2 := auxIntToInt32(v_0.AuxInt)
  2856  		sym2 := auxToSym(v_0.Aux)
  2857  		y := v_0.Args[1]
  2858  		x := v_0.Args[0]
  2859  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2860  			break
  2861  		}
  2862  		v.reset(Op386LEAL2)
  2863  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2864  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2865  		v.AddArg2(x, y)
  2866  		return true
  2867  	}
  2868  	// match: (LEAL [off1] {sym1} (LEAL4 [off2] {sym2} x y))
  2869  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2870  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2871  	for {
  2872  		off1 := auxIntToInt32(v.AuxInt)
  2873  		sym1 := auxToSym(v.Aux)
  2874  		if v_0.Op != Op386LEAL4 {
  2875  			break
  2876  		}
  2877  		off2 := auxIntToInt32(v_0.AuxInt)
  2878  		sym2 := auxToSym(v_0.Aux)
  2879  		y := v_0.Args[1]
  2880  		x := v_0.Args[0]
  2881  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2882  			break
  2883  		}
  2884  		v.reset(Op386LEAL4)
  2885  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2886  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2887  		v.AddArg2(x, y)
  2888  		return true
  2889  	}
  2890  	// match: (LEAL [off1] {sym1} (LEAL8 [off2] {sym2} x y))
  2891  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2892  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2893  	for {
  2894  		off1 := auxIntToInt32(v.AuxInt)
  2895  		sym1 := auxToSym(v.Aux)
  2896  		if v_0.Op != Op386LEAL8 {
  2897  			break
  2898  		}
  2899  		off2 := auxIntToInt32(v_0.AuxInt)
  2900  		sym2 := auxToSym(v_0.Aux)
  2901  		y := v_0.Args[1]
  2902  		x := v_0.Args[0]
  2903  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2904  			break
  2905  		}
  2906  		v.reset(Op386LEAL8)
  2907  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2908  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2909  		v.AddArg2(x, y)
  2910  		return true
  2911  	}
  2912  	return false
  2913  }
  2914  func rewriteValue386_Op386LEAL1(v *Value) bool {
  2915  	v_1 := v.Args[1]
  2916  	v_0 := v.Args[0]
  2917  	// match: (LEAL1 [c] {s} (ADDLconst [d] x) y)
  2918  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  2919  	// result: (LEAL1 [c+d] {s} x y)
  2920  	for {
  2921  		c := auxIntToInt32(v.AuxInt)
  2922  		s := auxToSym(v.Aux)
  2923  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2924  			if v_0.Op != Op386ADDLconst {
  2925  				continue
  2926  			}
  2927  			d := auxIntToInt32(v_0.AuxInt)
  2928  			x := v_0.Args[0]
  2929  			y := v_1
  2930  			if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  2931  				continue
  2932  			}
  2933  			v.reset(Op386LEAL1)
  2934  			v.AuxInt = int32ToAuxInt(c + d)
  2935  			v.Aux = symToAux(s)
  2936  			v.AddArg2(x, y)
  2937  			return true
  2938  		}
  2939  		break
  2940  	}
  2941  	// match: (LEAL1 [c] {s} x (SHLLconst [1] y))
  2942  	// result: (LEAL2 [c] {s} x y)
  2943  	for {
  2944  		c := auxIntToInt32(v.AuxInt)
  2945  		s := auxToSym(v.Aux)
  2946  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2947  			x := v_0
  2948  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  2949  				continue
  2950  			}
  2951  			y := v_1.Args[0]
  2952  			v.reset(Op386LEAL2)
  2953  			v.AuxInt = int32ToAuxInt(c)
  2954  			v.Aux = symToAux(s)
  2955  			v.AddArg2(x, y)
  2956  			return true
  2957  		}
  2958  		break
  2959  	}
  2960  	// match: (LEAL1 [c] {s} x (SHLLconst [2] y))
  2961  	// result: (LEAL4 [c] {s} x y)
  2962  	for {
  2963  		c := auxIntToInt32(v.AuxInt)
  2964  		s := auxToSym(v.Aux)
  2965  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2966  			x := v_0
  2967  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  2968  				continue
  2969  			}
  2970  			y := v_1.Args[0]
  2971  			v.reset(Op386LEAL4)
  2972  			v.AuxInt = int32ToAuxInt(c)
  2973  			v.Aux = symToAux(s)
  2974  			v.AddArg2(x, y)
  2975  			return true
  2976  		}
  2977  		break
  2978  	}
  2979  	// match: (LEAL1 [c] {s} x (SHLLconst [3] y))
  2980  	// result: (LEAL8 [c] {s} x y)
  2981  	for {
  2982  		c := auxIntToInt32(v.AuxInt)
  2983  		s := auxToSym(v.Aux)
  2984  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2985  			x := v_0
  2986  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
  2987  				continue
  2988  			}
  2989  			y := v_1.Args[0]
  2990  			v.reset(Op386LEAL8)
  2991  			v.AuxInt = int32ToAuxInt(c)
  2992  			v.Aux = symToAux(s)
  2993  			v.AddArg2(x, y)
  2994  			return true
  2995  		}
  2996  		break
  2997  	}
  2998  	// match: (LEAL1 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  2999  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3000  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3001  	for {
  3002  		off1 := auxIntToInt32(v.AuxInt)
  3003  		sym1 := auxToSym(v.Aux)
  3004  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3005  			if v_0.Op != Op386LEAL {
  3006  				continue
  3007  			}
  3008  			off2 := auxIntToInt32(v_0.AuxInt)
  3009  			sym2 := auxToSym(v_0.Aux)
  3010  			x := v_0.Args[0]
  3011  			y := v_1
  3012  			if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3013  				continue
  3014  			}
  3015  			v.reset(Op386LEAL1)
  3016  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3017  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3018  			v.AddArg2(x, y)
  3019  			return true
  3020  		}
  3021  		break
  3022  	}
  3023  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} y y))
  3024  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3025  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} x y)
  3026  	for {
  3027  		off1 := auxIntToInt32(v.AuxInt)
  3028  		sym1 := auxToSym(v.Aux)
  3029  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3030  			x := v_0
  3031  			if v_1.Op != Op386LEAL1 {
  3032  				continue
  3033  			}
  3034  			off2 := auxIntToInt32(v_1.AuxInt)
  3035  			sym2 := auxToSym(v_1.Aux)
  3036  			y := v_1.Args[1]
  3037  			if y != v_1.Args[0] || !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3038  				continue
  3039  			}
  3040  			v.reset(Op386LEAL2)
  3041  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3042  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3043  			v.AddArg2(x, y)
  3044  			return true
  3045  		}
  3046  		break
  3047  	}
  3048  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} x y))
  3049  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3050  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} y x)
  3051  	for {
  3052  		off1 := auxIntToInt32(v.AuxInt)
  3053  		sym1 := auxToSym(v.Aux)
  3054  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3055  			x := v_0
  3056  			if v_1.Op != Op386LEAL1 {
  3057  				continue
  3058  			}
  3059  			off2 := auxIntToInt32(v_1.AuxInt)
  3060  			sym2 := auxToSym(v_1.Aux)
  3061  			_ = v_1.Args[1]
  3062  			v_1_0 := v_1.Args[0]
  3063  			v_1_1 := v_1.Args[1]
  3064  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
  3065  				if x != v_1_0 {
  3066  					continue
  3067  				}
  3068  				y := v_1_1
  3069  				if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3070  					continue
  3071  				}
  3072  				v.reset(Op386LEAL2)
  3073  				v.AuxInt = int32ToAuxInt(off1 + off2)
  3074  				v.Aux = symToAux(mergeSym(sym1, sym2))
  3075  				v.AddArg2(y, x)
  3076  				return true
  3077  			}
  3078  		}
  3079  		break
  3080  	}
  3081  	// match: (LEAL1 [0] {nil} x y)
  3082  	// result: (ADDL x y)
  3083  	for {
  3084  		if auxIntToInt32(v.AuxInt) != 0 || auxToSym(v.Aux) != nil {
  3085  			break
  3086  		}
  3087  		x := v_0
  3088  		y := v_1
  3089  		v.reset(Op386ADDL)
  3090  		v.AddArg2(x, y)
  3091  		return true
  3092  	}
  3093  	return false
  3094  }
  3095  func rewriteValue386_Op386LEAL2(v *Value) bool {
  3096  	v_1 := v.Args[1]
  3097  	v_0 := v.Args[0]
  3098  	// match: (LEAL2 [c] {s} (ADDLconst [d] x) y)
  3099  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3100  	// result: (LEAL2 [c+d] {s} x y)
  3101  	for {
  3102  		c := auxIntToInt32(v.AuxInt)
  3103  		s := auxToSym(v.Aux)
  3104  		if v_0.Op != Op386ADDLconst {
  3105  			break
  3106  		}
  3107  		d := auxIntToInt32(v_0.AuxInt)
  3108  		x := v_0.Args[0]
  3109  		y := v_1
  3110  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3111  			break
  3112  		}
  3113  		v.reset(Op386LEAL2)
  3114  		v.AuxInt = int32ToAuxInt(c + d)
  3115  		v.Aux = symToAux(s)
  3116  		v.AddArg2(x, y)
  3117  		return true
  3118  	}
  3119  	// match: (LEAL2 [c] {s} x (ADDLconst [d] y))
  3120  	// cond: is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB
  3121  	// result: (LEAL2 [c+2*d] {s} x y)
  3122  	for {
  3123  		c := auxIntToInt32(v.AuxInt)
  3124  		s := auxToSym(v.Aux)
  3125  		x := v_0
  3126  		if v_1.Op != Op386ADDLconst {
  3127  			break
  3128  		}
  3129  		d := auxIntToInt32(v_1.AuxInt)
  3130  		y := v_1.Args[0]
  3131  		if !(is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB) {
  3132  			break
  3133  		}
  3134  		v.reset(Op386LEAL2)
  3135  		v.AuxInt = int32ToAuxInt(c + 2*d)
  3136  		v.Aux = symToAux(s)
  3137  		v.AddArg2(x, y)
  3138  		return true
  3139  	}
  3140  	// match: (LEAL2 [c] {s} x (SHLLconst [1] y))
  3141  	// result: (LEAL4 [c] {s} x y)
  3142  	for {
  3143  		c := auxIntToInt32(v.AuxInt)
  3144  		s := auxToSym(v.Aux)
  3145  		x := v_0
  3146  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3147  			break
  3148  		}
  3149  		y := v_1.Args[0]
  3150  		v.reset(Op386LEAL4)
  3151  		v.AuxInt = int32ToAuxInt(c)
  3152  		v.Aux = symToAux(s)
  3153  		v.AddArg2(x, y)
  3154  		return true
  3155  	}
  3156  	// match: (LEAL2 [c] {s} x (SHLLconst [2] y))
  3157  	// result: (LEAL8 [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) != 2 {
  3163  			break
  3164  		}
  3165  		y := v_1.Args[0]
  3166  		v.reset(Op386LEAL8)
  3167  		v.AuxInt = int32ToAuxInt(c)
  3168  		v.Aux = symToAux(s)
  3169  		v.AddArg2(x, y)
  3170  		return true
  3171  	}
  3172  	// match: (LEAL2 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3173  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3174  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3175  	for {
  3176  		off1 := auxIntToInt32(v.AuxInt)
  3177  		sym1 := auxToSym(v.Aux)
  3178  		if v_0.Op != Op386LEAL {
  3179  			break
  3180  		}
  3181  		off2 := auxIntToInt32(v_0.AuxInt)
  3182  		sym2 := auxToSym(v_0.Aux)
  3183  		x := v_0.Args[0]
  3184  		y := v_1
  3185  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3186  			break
  3187  		}
  3188  		v.reset(Op386LEAL2)
  3189  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3190  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3191  		v.AddArg2(x, y)
  3192  		return true
  3193  	}
  3194  	// match: (LEAL2 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3195  	// cond: is32Bit(int64(off1)+2*int64(off2))
  3196  	// result: (LEAL4 [off1+2*off2] {sym} x y)
  3197  	for {
  3198  		off1 := auxIntToInt32(v.AuxInt)
  3199  		sym := auxToSym(v.Aux)
  3200  		x := v_0
  3201  		if v_1.Op != Op386LEAL1 {
  3202  			break
  3203  		}
  3204  		off2 := auxIntToInt32(v_1.AuxInt)
  3205  		if auxToSym(v_1.Aux) != nil {
  3206  			break
  3207  		}
  3208  		y := v_1.Args[1]
  3209  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 2*int64(off2))) {
  3210  			break
  3211  		}
  3212  		v.reset(Op386LEAL4)
  3213  		v.AuxInt = int32ToAuxInt(off1 + 2*off2)
  3214  		v.Aux = symToAux(sym)
  3215  		v.AddArg2(x, y)
  3216  		return true
  3217  	}
  3218  	return false
  3219  }
  3220  func rewriteValue386_Op386LEAL4(v *Value) bool {
  3221  	v_1 := v.Args[1]
  3222  	v_0 := v.Args[0]
  3223  	// match: (LEAL4 [c] {s} (ADDLconst [d] x) y)
  3224  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3225  	// result: (LEAL4 [c+d] {s} x y)
  3226  	for {
  3227  		c := auxIntToInt32(v.AuxInt)
  3228  		s := auxToSym(v.Aux)
  3229  		if v_0.Op != Op386ADDLconst {
  3230  			break
  3231  		}
  3232  		d := auxIntToInt32(v_0.AuxInt)
  3233  		x := v_0.Args[0]
  3234  		y := v_1
  3235  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3236  			break
  3237  		}
  3238  		v.reset(Op386LEAL4)
  3239  		v.AuxInt = int32ToAuxInt(c + d)
  3240  		v.Aux = symToAux(s)
  3241  		v.AddArg2(x, y)
  3242  		return true
  3243  	}
  3244  	// match: (LEAL4 [c] {s} x (ADDLconst [d] y))
  3245  	// cond: is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB
  3246  	// result: (LEAL4 [c+4*d] {s} x y)
  3247  	for {
  3248  		c := auxIntToInt32(v.AuxInt)
  3249  		s := auxToSym(v.Aux)
  3250  		x := v_0
  3251  		if v_1.Op != Op386ADDLconst {
  3252  			break
  3253  		}
  3254  		d := auxIntToInt32(v_1.AuxInt)
  3255  		y := v_1.Args[0]
  3256  		if !(is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB) {
  3257  			break
  3258  		}
  3259  		v.reset(Op386LEAL4)
  3260  		v.AuxInt = int32ToAuxInt(c + 4*d)
  3261  		v.Aux = symToAux(s)
  3262  		v.AddArg2(x, y)
  3263  		return true
  3264  	}
  3265  	// match: (LEAL4 [c] {s} x (SHLLconst [1] y))
  3266  	// result: (LEAL8 [c] {s} x y)
  3267  	for {
  3268  		c := auxIntToInt32(v.AuxInt)
  3269  		s := auxToSym(v.Aux)
  3270  		x := v_0
  3271  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3272  			break
  3273  		}
  3274  		y := v_1.Args[0]
  3275  		v.reset(Op386LEAL8)
  3276  		v.AuxInt = int32ToAuxInt(c)
  3277  		v.Aux = symToAux(s)
  3278  		v.AddArg2(x, y)
  3279  		return true
  3280  	}
  3281  	// match: (LEAL4 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3282  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3283  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3284  	for {
  3285  		off1 := auxIntToInt32(v.AuxInt)
  3286  		sym1 := auxToSym(v.Aux)
  3287  		if v_0.Op != Op386LEAL {
  3288  			break
  3289  		}
  3290  		off2 := auxIntToInt32(v_0.AuxInt)
  3291  		sym2 := auxToSym(v_0.Aux)
  3292  		x := v_0.Args[0]
  3293  		y := v_1
  3294  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3295  			break
  3296  		}
  3297  		v.reset(Op386LEAL4)
  3298  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3299  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3300  		v.AddArg2(x, y)
  3301  		return true
  3302  	}
  3303  	// match: (LEAL4 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3304  	// cond: is32Bit(int64(off1)+4*int64(off2))
  3305  	// result: (LEAL8 [off1+4*off2] {sym} x y)
  3306  	for {
  3307  		off1 := auxIntToInt32(v.AuxInt)
  3308  		sym := auxToSym(v.Aux)
  3309  		x := v_0
  3310  		if v_1.Op != Op386LEAL1 {
  3311  			break
  3312  		}
  3313  		off2 := auxIntToInt32(v_1.AuxInt)
  3314  		if auxToSym(v_1.Aux) != nil {
  3315  			break
  3316  		}
  3317  		y := v_1.Args[1]
  3318  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 4*int64(off2))) {
  3319  			break
  3320  		}
  3321  		v.reset(Op386LEAL8)
  3322  		v.AuxInt = int32ToAuxInt(off1 + 4*off2)
  3323  		v.Aux = symToAux(sym)
  3324  		v.AddArg2(x, y)
  3325  		return true
  3326  	}
  3327  	return false
  3328  }
  3329  func rewriteValue386_Op386LEAL8(v *Value) bool {
  3330  	v_1 := v.Args[1]
  3331  	v_0 := v.Args[0]
  3332  	// match: (LEAL8 [c] {s} (ADDLconst [d] x) y)
  3333  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3334  	// result: (LEAL8 [c+d] {s} x y)
  3335  	for {
  3336  		c := auxIntToInt32(v.AuxInt)
  3337  		s := auxToSym(v.Aux)
  3338  		if v_0.Op != Op386ADDLconst {
  3339  			break
  3340  		}
  3341  		d := auxIntToInt32(v_0.AuxInt)
  3342  		x := v_0.Args[0]
  3343  		y := v_1
  3344  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3345  			break
  3346  		}
  3347  		v.reset(Op386LEAL8)
  3348  		v.AuxInt = int32ToAuxInt(c + d)
  3349  		v.Aux = symToAux(s)
  3350  		v.AddArg2(x, y)
  3351  		return true
  3352  	}
  3353  	// match: (LEAL8 [c] {s} x (ADDLconst [d] y))
  3354  	// cond: is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB
  3355  	// result: (LEAL8 [c+8*d] {s} x y)
  3356  	for {
  3357  		c := auxIntToInt32(v.AuxInt)
  3358  		s := auxToSym(v.Aux)
  3359  		x := v_0
  3360  		if v_1.Op != Op386ADDLconst {
  3361  			break
  3362  		}
  3363  		d := auxIntToInt32(v_1.AuxInt)
  3364  		y := v_1.Args[0]
  3365  		if !(is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB) {
  3366  			break
  3367  		}
  3368  		v.reset(Op386LEAL8)
  3369  		v.AuxInt = int32ToAuxInt(c + 8*d)
  3370  		v.Aux = symToAux(s)
  3371  		v.AddArg2(x, y)
  3372  		return true
  3373  	}
  3374  	// match: (LEAL8 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3375  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3376  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3377  	for {
  3378  		off1 := auxIntToInt32(v.AuxInt)
  3379  		sym1 := auxToSym(v.Aux)
  3380  		if v_0.Op != Op386LEAL {
  3381  			break
  3382  		}
  3383  		off2 := auxIntToInt32(v_0.AuxInt)
  3384  		sym2 := auxToSym(v_0.Aux)
  3385  		x := v_0.Args[0]
  3386  		y := v_1
  3387  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3388  			break
  3389  		}
  3390  		v.reset(Op386LEAL8)
  3391  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3392  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3393  		v.AddArg2(x, y)
  3394  		return true
  3395  	}
  3396  	return false
  3397  }
  3398  func rewriteValue386_Op386MOVBLSX(v *Value) bool {
  3399  	v_0 := v.Args[0]
  3400  	b := v.Block
  3401  	// match: (MOVBLSX x:(MOVBload [off] {sym} ptr mem))
  3402  	// cond: x.Uses == 1 && clobber(x)
  3403  	// result: @x.Block (MOVBLSXload <v.Type> [off] {sym} ptr mem)
  3404  	for {
  3405  		x := v_0
  3406  		if x.Op != Op386MOVBload {
  3407  			break
  3408  		}
  3409  		off := auxIntToInt32(x.AuxInt)
  3410  		sym := auxToSym(x.Aux)
  3411  		mem := x.Args[1]
  3412  		ptr := x.Args[0]
  3413  		if !(x.Uses == 1 && clobber(x)) {
  3414  			break
  3415  		}
  3416  		b = x.Block
  3417  		v0 := b.NewValue0(x.Pos, Op386MOVBLSXload, v.Type)
  3418  		v.copyOf(v0)
  3419  		v0.AuxInt = int32ToAuxInt(off)
  3420  		v0.Aux = symToAux(sym)
  3421  		v0.AddArg2(ptr, mem)
  3422  		return true
  3423  	}
  3424  	// match: (MOVBLSX (ANDLconst [c] x))
  3425  	// cond: c & 0x80 == 0
  3426  	// result: (ANDLconst [c & 0x7f] x)
  3427  	for {
  3428  		if v_0.Op != Op386ANDLconst {
  3429  			break
  3430  		}
  3431  		c := auxIntToInt32(v_0.AuxInt)
  3432  		x := v_0.Args[0]
  3433  		if !(c&0x80 == 0) {
  3434  			break
  3435  		}
  3436  		v.reset(Op386ANDLconst)
  3437  		v.AuxInt = int32ToAuxInt(c & 0x7f)
  3438  		v.AddArg(x)
  3439  		return true
  3440  	}
  3441  	return false
  3442  }
  3443  func rewriteValue386_Op386MOVBLSXload(v *Value) bool {
  3444  	v_1 := v.Args[1]
  3445  	v_0 := v.Args[0]
  3446  	b := v.Block
  3447  	config := b.Func.Config
  3448  	// match: (MOVBLSXload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3449  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3450  	// result: (MOVBLSX x)
  3451  	for {
  3452  		off := auxIntToInt32(v.AuxInt)
  3453  		sym := auxToSym(v.Aux)
  3454  		ptr := v_0
  3455  		if v_1.Op != Op386MOVBstore {
  3456  			break
  3457  		}
  3458  		off2 := auxIntToInt32(v_1.AuxInt)
  3459  		sym2 := auxToSym(v_1.Aux)
  3460  		x := v_1.Args[1]
  3461  		ptr2 := v_1.Args[0]
  3462  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3463  			break
  3464  		}
  3465  		v.reset(Op386MOVBLSX)
  3466  		v.AddArg(x)
  3467  		return true
  3468  	}
  3469  	// match: (MOVBLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3470  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3471  	// result: (MOVBLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3472  	for {
  3473  		off1 := auxIntToInt32(v.AuxInt)
  3474  		sym1 := auxToSym(v.Aux)
  3475  		if v_0.Op != Op386LEAL {
  3476  			break
  3477  		}
  3478  		off2 := auxIntToInt32(v_0.AuxInt)
  3479  		sym2 := auxToSym(v_0.Aux)
  3480  		base := v_0.Args[0]
  3481  		mem := v_1
  3482  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3483  			break
  3484  		}
  3485  		v.reset(Op386MOVBLSXload)
  3486  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3487  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3488  		v.AddArg2(base, mem)
  3489  		return true
  3490  	}
  3491  	return false
  3492  }
  3493  func rewriteValue386_Op386MOVBLZX(v *Value) bool {
  3494  	v_0 := v.Args[0]
  3495  	b := v.Block
  3496  	// match: (MOVBLZX x:(MOVBload [off] {sym} ptr mem))
  3497  	// cond: x.Uses == 1 && clobber(x)
  3498  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  3499  	for {
  3500  		x := v_0
  3501  		if x.Op != Op386MOVBload {
  3502  			break
  3503  		}
  3504  		off := auxIntToInt32(x.AuxInt)
  3505  		sym := auxToSym(x.Aux)
  3506  		mem := x.Args[1]
  3507  		ptr := x.Args[0]
  3508  		if !(x.Uses == 1 && clobber(x)) {
  3509  			break
  3510  		}
  3511  		b = x.Block
  3512  		v0 := b.NewValue0(x.Pos, Op386MOVBload, v.Type)
  3513  		v.copyOf(v0)
  3514  		v0.AuxInt = int32ToAuxInt(off)
  3515  		v0.Aux = symToAux(sym)
  3516  		v0.AddArg2(ptr, mem)
  3517  		return true
  3518  	}
  3519  	// match: (MOVBLZX (ANDLconst [c] x))
  3520  	// result: (ANDLconst [c & 0xff] x)
  3521  	for {
  3522  		if v_0.Op != Op386ANDLconst {
  3523  			break
  3524  		}
  3525  		c := auxIntToInt32(v_0.AuxInt)
  3526  		x := v_0.Args[0]
  3527  		v.reset(Op386ANDLconst)
  3528  		v.AuxInt = int32ToAuxInt(c & 0xff)
  3529  		v.AddArg(x)
  3530  		return true
  3531  	}
  3532  	return false
  3533  }
  3534  func rewriteValue386_Op386MOVBload(v *Value) bool {
  3535  	v_1 := v.Args[1]
  3536  	v_0 := v.Args[0]
  3537  	b := v.Block
  3538  	config := b.Func.Config
  3539  	// match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3540  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3541  	// result: (MOVBLZX x)
  3542  	for {
  3543  		off := auxIntToInt32(v.AuxInt)
  3544  		sym := auxToSym(v.Aux)
  3545  		ptr := v_0
  3546  		if v_1.Op != Op386MOVBstore {
  3547  			break
  3548  		}
  3549  		off2 := auxIntToInt32(v_1.AuxInt)
  3550  		sym2 := auxToSym(v_1.Aux)
  3551  		x := v_1.Args[1]
  3552  		ptr2 := v_1.Args[0]
  3553  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3554  			break
  3555  		}
  3556  		v.reset(Op386MOVBLZX)
  3557  		v.AddArg(x)
  3558  		return true
  3559  	}
  3560  	// match: (MOVBload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3561  	// cond: is32Bit(int64(off1)+int64(off2))
  3562  	// result: (MOVBload [off1+off2] {sym} ptr mem)
  3563  	for {
  3564  		off1 := auxIntToInt32(v.AuxInt)
  3565  		sym := auxToSym(v.Aux)
  3566  		if v_0.Op != Op386ADDLconst {
  3567  			break
  3568  		}
  3569  		off2 := auxIntToInt32(v_0.AuxInt)
  3570  		ptr := v_0.Args[0]
  3571  		mem := v_1
  3572  		if !(is32Bit(int64(off1) + int64(off2))) {
  3573  			break
  3574  		}
  3575  		v.reset(Op386MOVBload)
  3576  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3577  		v.Aux = symToAux(sym)
  3578  		v.AddArg2(ptr, mem)
  3579  		return true
  3580  	}
  3581  	// match: (MOVBload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3582  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3583  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3584  	for {
  3585  		off1 := auxIntToInt32(v.AuxInt)
  3586  		sym1 := auxToSym(v.Aux)
  3587  		if v_0.Op != Op386LEAL {
  3588  			break
  3589  		}
  3590  		off2 := auxIntToInt32(v_0.AuxInt)
  3591  		sym2 := auxToSym(v_0.Aux)
  3592  		base := v_0.Args[0]
  3593  		mem := v_1
  3594  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3595  			break
  3596  		}
  3597  		v.reset(Op386MOVBload)
  3598  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3599  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3600  		v.AddArg2(base, mem)
  3601  		return true
  3602  	}
  3603  	// match: (MOVBload [off] {sym} (SB) _)
  3604  	// cond: symIsRO(sym)
  3605  	// result: (MOVLconst [int32(read8(sym, int64(off)))])
  3606  	for {
  3607  		off := auxIntToInt32(v.AuxInt)
  3608  		sym := auxToSym(v.Aux)
  3609  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3610  			break
  3611  		}
  3612  		v.reset(Op386MOVLconst)
  3613  		v.AuxInt = int32ToAuxInt(int32(read8(sym, int64(off))))
  3614  		return true
  3615  	}
  3616  	return false
  3617  }
  3618  func rewriteValue386_Op386MOVBstore(v *Value) bool {
  3619  	v_2 := v.Args[2]
  3620  	v_1 := v.Args[1]
  3621  	v_0 := v.Args[0]
  3622  	b := v.Block
  3623  	config := b.Func.Config
  3624  	// match: (MOVBstore [off] {sym} ptr (MOVBLSX x) mem)
  3625  	// result: (MOVBstore [off] {sym} ptr x mem)
  3626  	for {
  3627  		off := auxIntToInt32(v.AuxInt)
  3628  		sym := auxToSym(v.Aux)
  3629  		ptr := v_0
  3630  		if v_1.Op != Op386MOVBLSX {
  3631  			break
  3632  		}
  3633  		x := v_1.Args[0]
  3634  		mem := v_2
  3635  		v.reset(Op386MOVBstore)
  3636  		v.AuxInt = int32ToAuxInt(off)
  3637  		v.Aux = symToAux(sym)
  3638  		v.AddArg3(ptr, x, mem)
  3639  		return true
  3640  	}
  3641  	// match: (MOVBstore [off] {sym} ptr (MOVBLZX x) mem)
  3642  	// result: (MOVBstore [off] {sym} ptr x mem)
  3643  	for {
  3644  		off := auxIntToInt32(v.AuxInt)
  3645  		sym := auxToSym(v.Aux)
  3646  		ptr := v_0
  3647  		if v_1.Op != Op386MOVBLZX {
  3648  			break
  3649  		}
  3650  		x := v_1.Args[0]
  3651  		mem := v_2
  3652  		v.reset(Op386MOVBstore)
  3653  		v.AuxInt = int32ToAuxInt(off)
  3654  		v.Aux = symToAux(sym)
  3655  		v.AddArg3(ptr, x, mem)
  3656  		return true
  3657  	}
  3658  	// match: (MOVBstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  3659  	// cond: is32Bit(int64(off1)+int64(off2))
  3660  	// result: (MOVBstore [off1+off2] {sym} ptr val mem)
  3661  	for {
  3662  		off1 := auxIntToInt32(v.AuxInt)
  3663  		sym := auxToSym(v.Aux)
  3664  		if v_0.Op != Op386ADDLconst {
  3665  			break
  3666  		}
  3667  		off2 := auxIntToInt32(v_0.AuxInt)
  3668  		ptr := v_0.Args[0]
  3669  		val := v_1
  3670  		mem := v_2
  3671  		if !(is32Bit(int64(off1) + int64(off2))) {
  3672  			break
  3673  		}
  3674  		v.reset(Op386MOVBstore)
  3675  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3676  		v.Aux = symToAux(sym)
  3677  		v.AddArg3(ptr, val, mem)
  3678  		return true
  3679  	}
  3680  	// match: (MOVBstore [off] {sym} ptr (MOVLconst [c]) mem)
  3681  	// result: (MOVBstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  3682  	for {
  3683  		off := auxIntToInt32(v.AuxInt)
  3684  		sym := auxToSym(v.Aux)
  3685  		ptr := v_0
  3686  		if v_1.Op != Op386MOVLconst {
  3687  			break
  3688  		}
  3689  		c := auxIntToInt32(v_1.AuxInt)
  3690  		mem := v_2
  3691  		v.reset(Op386MOVBstoreconst)
  3692  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  3693  		v.Aux = symToAux(sym)
  3694  		v.AddArg2(ptr, mem)
  3695  		return true
  3696  	}
  3697  	// match: (MOVBstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  3698  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3699  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  3700  	for {
  3701  		off1 := auxIntToInt32(v.AuxInt)
  3702  		sym1 := auxToSym(v.Aux)
  3703  		if v_0.Op != Op386LEAL {
  3704  			break
  3705  		}
  3706  		off2 := auxIntToInt32(v_0.AuxInt)
  3707  		sym2 := auxToSym(v_0.Aux)
  3708  		base := v_0.Args[0]
  3709  		val := v_1
  3710  		mem := v_2
  3711  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3712  			break
  3713  		}
  3714  		v.reset(Op386MOVBstore)
  3715  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3716  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3717  		v.AddArg3(base, val, mem)
  3718  		return true
  3719  	}
  3720  	return false
  3721  }
  3722  func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
  3723  	v_1 := v.Args[1]
  3724  	v_0 := v.Args[0]
  3725  	b := v.Block
  3726  	config := b.Func.Config
  3727  	// match: (MOVBstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  3728  	// cond: sc.canAdd32(off)
  3729  	// result: (MOVBstoreconst [sc.addOffset32(off)] {s} ptr mem)
  3730  	for {
  3731  		sc := auxIntToValAndOff(v.AuxInt)
  3732  		s := auxToSym(v.Aux)
  3733  		if v_0.Op != Op386ADDLconst {
  3734  			break
  3735  		}
  3736  		off := auxIntToInt32(v_0.AuxInt)
  3737  		ptr := v_0.Args[0]
  3738  		mem := v_1
  3739  		if !(sc.canAdd32(off)) {
  3740  			break
  3741  		}
  3742  		v.reset(Op386MOVBstoreconst)
  3743  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3744  		v.Aux = symToAux(s)
  3745  		v.AddArg2(ptr, mem)
  3746  		return true
  3747  	}
  3748  	// match: (MOVBstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  3749  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  3750  	// result: (MOVBstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  3751  	for {
  3752  		sc := auxIntToValAndOff(v.AuxInt)
  3753  		sym1 := auxToSym(v.Aux)
  3754  		if v_0.Op != Op386LEAL {
  3755  			break
  3756  		}
  3757  		off := auxIntToInt32(v_0.AuxInt)
  3758  		sym2 := auxToSym(v_0.Aux)
  3759  		ptr := v_0.Args[0]
  3760  		mem := v_1
  3761  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  3762  			break
  3763  		}
  3764  		v.reset(Op386MOVBstoreconst)
  3765  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3766  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3767  		v.AddArg2(ptr, mem)
  3768  		return true
  3769  	}
  3770  	return false
  3771  }
  3772  func rewriteValue386_Op386MOVLload(v *Value) bool {
  3773  	v_1 := v.Args[1]
  3774  	v_0 := v.Args[0]
  3775  	b := v.Block
  3776  	config := b.Func.Config
  3777  	// match: (MOVLload [off] {sym} ptr (MOVLstore [off2] {sym2} ptr2 x _))
  3778  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3779  	// result: x
  3780  	for {
  3781  		off := auxIntToInt32(v.AuxInt)
  3782  		sym := auxToSym(v.Aux)
  3783  		ptr := v_0
  3784  		if v_1.Op != Op386MOVLstore {
  3785  			break
  3786  		}
  3787  		off2 := auxIntToInt32(v_1.AuxInt)
  3788  		sym2 := auxToSym(v_1.Aux)
  3789  		x := v_1.Args[1]
  3790  		ptr2 := v_1.Args[0]
  3791  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3792  			break
  3793  		}
  3794  		v.copyOf(x)
  3795  		return true
  3796  	}
  3797  	// match: (MOVLload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3798  	// cond: is32Bit(int64(off1)+int64(off2))
  3799  	// result: (MOVLload [off1+off2] {sym} ptr mem)
  3800  	for {
  3801  		off1 := auxIntToInt32(v.AuxInt)
  3802  		sym := auxToSym(v.Aux)
  3803  		if v_0.Op != Op386ADDLconst {
  3804  			break
  3805  		}
  3806  		off2 := auxIntToInt32(v_0.AuxInt)
  3807  		ptr := v_0.Args[0]
  3808  		mem := v_1
  3809  		if !(is32Bit(int64(off1) + int64(off2))) {
  3810  			break
  3811  		}
  3812  		v.reset(Op386MOVLload)
  3813  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3814  		v.Aux = symToAux(sym)
  3815  		v.AddArg2(ptr, mem)
  3816  		return true
  3817  	}
  3818  	// match: (MOVLload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3819  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3820  	// result: (MOVLload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3821  	for {
  3822  		off1 := auxIntToInt32(v.AuxInt)
  3823  		sym1 := auxToSym(v.Aux)
  3824  		if v_0.Op != Op386LEAL {
  3825  			break
  3826  		}
  3827  		off2 := auxIntToInt32(v_0.AuxInt)
  3828  		sym2 := auxToSym(v_0.Aux)
  3829  		base := v_0.Args[0]
  3830  		mem := v_1
  3831  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3832  			break
  3833  		}
  3834  		v.reset(Op386MOVLload)
  3835  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3836  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3837  		v.AddArg2(base, mem)
  3838  		return true
  3839  	}
  3840  	// match: (MOVLload [off] {sym} (SB) _)
  3841  	// cond: symIsRO(sym)
  3842  	// result: (MOVLconst [int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  3843  	for {
  3844  		off := auxIntToInt32(v.AuxInt)
  3845  		sym := auxToSym(v.Aux)
  3846  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3847  			break
  3848  		}
  3849  		v.reset(Op386MOVLconst)
  3850  		v.AuxInt = int32ToAuxInt(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  3851  		return true
  3852  	}
  3853  	return false
  3854  }
  3855  func rewriteValue386_Op386MOVLstore(v *Value) bool {
  3856  	v_2 := v.Args[2]
  3857  	v_1 := v.Args[1]
  3858  	v_0 := v.Args[0]
  3859  	b := v.Block
  3860  	config := b.Func.Config
  3861  	// match: (MOVLstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  3862  	// cond: is32Bit(int64(off1)+int64(off2))
  3863  	// result: (MOVLstore [off1+off2] {sym} ptr val mem)
  3864  	for {
  3865  		off1 := auxIntToInt32(v.AuxInt)
  3866  		sym := auxToSym(v.Aux)
  3867  		if v_0.Op != Op386ADDLconst {
  3868  			break
  3869  		}
  3870  		off2 := auxIntToInt32(v_0.AuxInt)
  3871  		ptr := v_0.Args[0]
  3872  		val := v_1
  3873  		mem := v_2
  3874  		if !(is32Bit(int64(off1) + int64(off2))) {
  3875  			break
  3876  		}
  3877  		v.reset(Op386MOVLstore)
  3878  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3879  		v.Aux = symToAux(sym)
  3880  		v.AddArg3(ptr, val, mem)
  3881  		return true
  3882  	}
  3883  	// match: (MOVLstore [off] {sym} ptr (MOVLconst [c]) mem)
  3884  	// result: (MOVLstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  3885  	for {
  3886  		off := auxIntToInt32(v.AuxInt)
  3887  		sym := auxToSym(v.Aux)
  3888  		ptr := v_0
  3889  		if v_1.Op != Op386MOVLconst {
  3890  			break
  3891  		}
  3892  		c := auxIntToInt32(v_1.AuxInt)
  3893  		mem := v_2
  3894  		v.reset(Op386MOVLstoreconst)
  3895  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  3896  		v.Aux = symToAux(sym)
  3897  		v.AddArg2(ptr, mem)
  3898  		return true
  3899  	}
  3900  	// match: (MOVLstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  3901  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3902  	// result: (MOVLstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  3903  	for {
  3904  		off1 := auxIntToInt32(v.AuxInt)
  3905  		sym1 := auxToSym(v.Aux)
  3906  		if v_0.Op != Op386LEAL {
  3907  			break
  3908  		}
  3909  		off2 := auxIntToInt32(v_0.AuxInt)
  3910  		sym2 := auxToSym(v_0.Aux)
  3911  		base := v_0.Args[0]
  3912  		val := v_1
  3913  		mem := v_2
  3914  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3915  			break
  3916  		}
  3917  		v.reset(Op386MOVLstore)
  3918  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3919  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3920  		v.AddArg3(base, val, mem)
  3921  		return true
  3922  	}
  3923  	// match: (MOVLstore {sym} [off] ptr y:(ADDLload x [off] {sym} ptr mem) mem)
  3924  	// cond: y.Uses==1 && clobber(y)
  3925  	// result: (ADDLmodify [off] {sym} ptr x mem)
  3926  	for {
  3927  		off := auxIntToInt32(v.AuxInt)
  3928  		sym := auxToSym(v.Aux)
  3929  		ptr := v_0
  3930  		y := v_1
  3931  		if y.Op != Op386ADDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3932  			break
  3933  		}
  3934  		mem := y.Args[2]
  3935  		x := y.Args[0]
  3936  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  3937  			break
  3938  		}
  3939  		v.reset(Op386ADDLmodify)
  3940  		v.AuxInt = int32ToAuxInt(off)
  3941  		v.Aux = symToAux(sym)
  3942  		v.AddArg3(ptr, x, mem)
  3943  		return true
  3944  	}
  3945  	// match: (MOVLstore {sym} [off] ptr y:(ANDLload x [off] {sym} ptr mem) mem)
  3946  	// cond: y.Uses==1 && clobber(y)
  3947  	// result: (ANDLmodify [off] {sym} ptr x mem)
  3948  	for {
  3949  		off := auxIntToInt32(v.AuxInt)
  3950  		sym := auxToSym(v.Aux)
  3951  		ptr := v_0
  3952  		y := v_1
  3953  		if y.Op != Op386ANDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3954  			break
  3955  		}
  3956  		mem := y.Args[2]
  3957  		x := y.Args[0]
  3958  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  3959  			break
  3960  		}
  3961  		v.reset(Op386ANDLmodify)
  3962  		v.AuxInt = int32ToAuxInt(off)
  3963  		v.Aux = symToAux(sym)
  3964  		v.AddArg3(ptr, x, mem)
  3965  		return true
  3966  	}
  3967  	// match: (MOVLstore {sym} [off] ptr y:(ORLload x [off] {sym} ptr mem) mem)
  3968  	// cond: y.Uses==1 && clobber(y)
  3969  	// result: (ORLmodify [off] {sym} ptr x mem)
  3970  	for {
  3971  		off := auxIntToInt32(v.AuxInt)
  3972  		sym := auxToSym(v.Aux)
  3973  		ptr := v_0
  3974  		y := v_1
  3975  		if y.Op != Op386ORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3976  			break
  3977  		}
  3978  		mem := y.Args[2]
  3979  		x := y.Args[0]
  3980  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  3981  			break
  3982  		}
  3983  		v.reset(Op386ORLmodify)
  3984  		v.AuxInt = int32ToAuxInt(off)
  3985  		v.Aux = symToAux(sym)
  3986  		v.AddArg3(ptr, x, mem)
  3987  		return true
  3988  	}
  3989  	// match: (MOVLstore {sym} [off] ptr y:(XORLload x [off] {sym} ptr mem) mem)
  3990  	// cond: y.Uses==1 && clobber(y)
  3991  	// result: (XORLmodify [off] {sym} ptr x mem)
  3992  	for {
  3993  		off := auxIntToInt32(v.AuxInt)
  3994  		sym := auxToSym(v.Aux)
  3995  		ptr := v_0
  3996  		y := v_1
  3997  		if y.Op != Op386XORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3998  			break
  3999  		}
  4000  		mem := y.Args[2]
  4001  		x := y.Args[0]
  4002  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4003  			break
  4004  		}
  4005  		v.reset(Op386XORLmodify)
  4006  		v.AuxInt = int32ToAuxInt(off)
  4007  		v.Aux = symToAux(sym)
  4008  		v.AddArg3(ptr, x, mem)
  4009  		return true
  4010  	}
  4011  	// match: (MOVLstore {sym} [off] ptr y:(ADDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4012  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4013  	// result: (ADDLmodify [off] {sym} ptr x mem)
  4014  	for {
  4015  		off := auxIntToInt32(v.AuxInt)
  4016  		sym := auxToSym(v.Aux)
  4017  		ptr := v_0
  4018  		y := v_1
  4019  		if y.Op != Op386ADDL {
  4020  			break
  4021  		}
  4022  		_ = y.Args[1]
  4023  		y_0 := y.Args[0]
  4024  		y_1 := y.Args[1]
  4025  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4026  			l := y_0
  4027  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4028  				continue
  4029  			}
  4030  			mem := l.Args[1]
  4031  			if ptr != l.Args[0] {
  4032  				continue
  4033  			}
  4034  			x := y_1
  4035  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4036  				continue
  4037  			}
  4038  			v.reset(Op386ADDLmodify)
  4039  			v.AuxInt = int32ToAuxInt(off)
  4040  			v.Aux = symToAux(sym)
  4041  			v.AddArg3(ptr, x, mem)
  4042  			return true
  4043  		}
  4044  		break
  4045  	}
  4046  	// match: (MOVLstore {sym} [off] ptr y:(SUBL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4047  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4048  	// result: (SUBLmodify [off] {sym} ptr x mem)
  4049  	for {
  4050  		off := auxIntToInt32(v.AuxInt)
  4051  		sym := auxToSym(v.Aux)
  4052  		ptr := v_0
  4053  		y := v_1
  4054  		if y.Op != Op386SUBL {
  4055  			break
  4056  		}
  4057  		x := y.Args[1]
  4058  		l := y.Args[0]
  4059  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4060  			break
  4061  		}
  4062  		mem := l.Args[1]
  4063  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4064  			break
  4065  		}
  4066  		v.reset(Op386SUBLmodify)
  4067  		v.AuxInt = int32ToAuxInt(off)
  4068  		v.Aux = symToAux(sym)
  4069  		v.AddArg3(ptr, x, mem)
  4070  		return true
  4071  	}
  4072  	// match: (MOVLstore {sym} [off] ptr y:(ANDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4073  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4074  	// result: (ANDLmodify [off] {sym} ptr x mem)
  4075  	for {
  4076  		off := auxIntToInt32(v.AuxInt)
  4077  		sym := auxToSym(v.Aux)
  4078  		ptr := v_0
  4079  		y := v_1
  4080  		if y.Op != Op386ANDL {
  4081  			break
  4082  		}
  4083  		_ = y.Args[1]
  4084  		y_0 := y.Args[0]
  4085  		y_1 := y.Args[1]
  4086  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4087  			l := y_0
  4088  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4089  				continue
  4090  			}
  4091  			mem := l.Args[1]
  4092  			if ptr != l.Args[0] {
  4093  				continue
  4094  			}
  4095  			x := y_1
  4096  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4097  				continue
  4098  			}
  4099  			v.reset(Op386ANDLmodify)
  4100  			v.AuxInt = int32ToAuxInt(off)
  4101  			v.Aux = symToAux(sym)
  4102  			v.AddArg3(ptr, x, mem)
  4103  			return true
  4104  		}
  4105  		break
  4106  	}
  4107  	// match: (MOVLstore {sym} [off] ptr y:(ORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4108  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4109  	// result: (ORLmodify [off] {sym} ptr x mem)
  4110  	for {
  4111  		off := auxIntToInt32(v.AuxInt)
  4112  		sym := auxToSym(v.Aux)
  4113  		ptr := v_0
  4114  		y := v_1
  4115  		if y.Op != Op386ORL {
  4116  			break
  4117  		}
  4118  		_ = y.Args[1]
  4119  		y_0 := y.Args[0]
  4120  		y_1 := y.Args[1]
  4121  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4122  			l := y_0
  4123  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4124  				continue
  4125  			}
  4126  			mem := l.Args[1]
  4127  			if ptr != l.Args[0] {
  4128  				continue
  4129  			}
  4130  			x := y_1
  4131  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4132  				continue
  4133  			}
  4134  			v.reset(Op386ORLmodify)
  4135  			v.AuxInt = int32ToAuxInt(off)
  4136  			v.Aux = symToAux(sym)
  4137  			v.AddArg3(ptr, x, mem)
  4138  			return true
  4139  		}
  4140  		break
  4141  	}
  4142  	// match: (MOVLstore {sym} [off] ptr y:(XORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4143  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4144  	// result: (XORLmodify [off] {sym} ptr x mem)
  4145  	for {
  4146  		off := auxIntToInt32(v.AuxInt)
  4147  		sym := auxToSym(v.Aux)
  4148  		ptr := v_0
  4149  		y := v_1
  4150  		if y.Op != Op386XORL {
  4151  			break
  4152  		}
  4153  		_ = y.Args[1]
  4154  		y_0 := y.Args[0]
  4155  		y_1 := y.Args[1]
  4156  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4157  			l := y_0
  4158  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4159  				continue
  4160  			}
  4161  			mem := l.Args[1]
  4162  			if ptr != l.Args[0] {
  4163  				continue
  4164  			}
  4165  			x := y_1
  4166  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4167  				continue
  4168  			}
  4169  			v.reset(Op386XORLmodify)
  4170  			v.AuxInt = int32ToAuxInt(off)
  4171  			v.Aux = symToAux(sym)
  4172  			v.AddArg3(ptr, x, mem)
  4173  			return true
  4174  		}
  4175  		break
  4176  	}
  4177  	// match: (MOVLstore {sym} [off] ptr y:(ADDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4178  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4179  	// result: (ADDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4180  	for {
  4181  		off := auxIntToInt32(v.AuxInt)
  4182  		sym := auxToSym(v.Aux)
  4183  		ptr := v_0
  4184  		y := v_1
  4185  		if y.Op != Op386ADDLconst {
  4186  			break
  4187  		}
  4188  		c := auxIntToInt32(y.AuxInt)
  4189  		l := y.Args[0]
  4190  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4191  			break
  4192  		}
  4193  		mem := l.Args[1]
  4194  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4195  			break
  4196  		}
  4197  		v.reset(Op386ADDLconstmodify)
  4198  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4199  		v.Aux = symToAux(sym)
  4200  		v.AddArg2(ptr, mem)
  4201  		return true
  4202  	}
  4203  	// match: (MOVLstore {sym} [off] ptr y:(ANDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4204  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4205  	// result: (ANDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4206  	for {
  4207  		off := auxIntToInt32(v.AuxInt)
  4208  		sym := auxToSym(v.Aux)
  4209  		ptr := v_0
  4210  		y := v_1
  4211  		if y.Op != Op386ANDLconst {
  4212  			break
  4213  		}
  4214  		c := auxIntToInt32(y.AuxInt)
  4215  		l := y.Args[0]
  4216  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4217  			break
  4218  		}
  4219  		mem := l.Args[1]
  4220  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4221  			break
  4222  		}
  4223  		v.reset(Op386ANDLconstmodify)
  4224  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4225  		v.Aux = symToAux(sym)
  4226  		v.AddArg2(ptr, mem)
  4227  		return true
  4228  	}
  4229  	// match: (MOVLstore {sym} [off] ptr y:(ORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4230  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4231  	// result: (ORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4232  	for {
  4233  		off := auxIntToInt32(v.AuxInt)
  4234  		sym := auxToSym(v.Aux)
  4235  		ptr := v_0
  4236  		y := v_1
  4237  		if y.Op != Op386ORLconst {
  4238  			break
  4239  		}
  4240  		c := auxIntToInt32(y.AuxInt)
  4241  		l := y.Args[0]
  4242  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4243  			break
  4244  		}
  4245  		mem := l.Args[1]
  4246  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4247  			break
  4248  		}
  4249  		v.reset(Op386ORLconstmodify)
  4250  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4251  		v.Aux = symToAux(sym)
  4252  		v.AddArg2(ptr, mem)
  4253  		return true
  4254  	}
  4255  	// match: (MOVLstore {sym} [off] ptr y:(XORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4256  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4257  	// result: (XORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4258  	for {
  4259  		off := auxIntToInt32(v.AuxInt)
  4260  		sym := auxToSym(v.Aux)
  4261  		ptr := v_0
  4262  		y := v_1
  4263  		if y.Op != Op386XORLconst {
  4264  			break
  4265  		}
  4266  		c := auxIntToInt32(y.AuxInt)
  4267  		l := y.Args[0]
  4268  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4269  			break
  4270  		}
  4271  		mem := l.Args[1]
  4272  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4273  			break
  4274  		}
  4275  		v.reset(Op386XORLconstmodify)
  4276  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4277  		v.Aux = symToAux(sym)
  4278  		v.AddArg2(ptr, mem)
  4279  		return true
  4280  	}
  4281  	return false
  4282  }
  4283  func rewriteValue386_Op386MOVLstoreconst(v *Value) bool {
  4284  	v_1 := v.Args[1]
  4285  	v_0 := v.Args[0]
  4286  	b := v.Block
  4287  	config := b.Func.Config
  4288  	// match: (MOVLstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  4289  	// cond: sc.canAdd32(off)
  4290  	// result: (MOVLstoreconst [sc.addOffset32(off)] {s} ptr mem)
  4291  	for {
  4292  		sc := auxIntToValAndOff(v.AuxInt)
  4293  		s := auxToSym(v.Aux)
  4294  		if v_0.Op != Op386ADDLconst {
  4295  			break
  4296  		}
  4297  		off := auxIntToInt32(v_0.AuxInt)
  4298  		ptr := v_0.Args[0]
  4299  		mem := v_1
  4300  		if !(sc.canAdd32(off)) {
  4301  			break
  4302  		}
  4303  		v.reset(Op386MOVLstoreconst)
  4304  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4305  		v.Aux = symToAux(s)
  4306  		v.AddArg2(ptr, mem)
  4307  		return true
  4308  	}
  4309  	// match: (MOVLstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  4310  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  4311  	// result: (MOVLstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  4312  	for {
  4313  		sc := auxIntToValAndOff(v.AuxInt)
  4314  		sym1 := auxToSym(v.Aux)
  4315  		if v_0.Op != Op386LEAL {
  4316  			break
  4317  		}
  4318  		off := auxIntToInt32(v_0.AuxInt)
  4319  		sym2 := auxToSym(v_0.Aux)
  4320  		ptr := v_0.Args[0]
  4321  		mem := v_1
  4322  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4323  			break
  4324  		}
  4325  		v.reset(Op386MOVLstoreconst)
  4326  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4327  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4328  		v.AddArg2(ptr, mem)
  4329  		return true
  4330  	}
  4331  	return false
  4332  }
  4333  func rewriteValue386_Op386MOVSDconst(v *Value) bool {
  4334  	b := v.Block
  4335  	config := b.Func.Config
  4336  	typ := &b.Func.Config.Types
  4337  	// match: (MOVSDconst [c])
  4338  	// cond: config.ctxt.Flag_shared
  4339  	// result: (MOVSDconst2 (MOVSDconst1 [c]))
  4340  	for {
  4341  		c := auxIntToFloat64(v.AuxInt)
  4342  		if !(config.ctxt.Flag_shared) {
  4343  			break
  4344  		}
  4345  		v.reset(Op386MOVSDconst2)
  4346  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst1, typ.UInt32)
  4347  		v0.AuxInt = float64ToAuxInt(c)
  4348  		v.AddArg(v0)
  4349  		return true
  4350  	}
  4351  	return false
  4352  }
  4353  func rewriteValue386_Op386MOVSDload(v *Value) bool {
  4354  	v_1 := v.Args[1]
  4355  	v_0 := v.Args[0]
  4356  	b := v.Block
  4357  	config := b.Func.Config
  4358  	// match: (MOVSDload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4359  	// cond: is32Bit(int64(off1)+int64(off2))
  4360  	// result: (MOVSDload [off1+off2] {sym} ptr mem)
  4361  	for {
  4362  		off1 := auxIntToInt32(v.AuxInt)
  4363  		sym := auxToSym(v.Aux)
  4364  		if v_0.Op != Op386ADDLconst {
  4365  			break
  4366  		}
  4367  		off2 := auxIntToInt32(v_0.AuxInt)
  4368  		ptr := v_0.Args[0]
  4369  		mem := v_1
  4370  		if !(is32Bit(int64(off1) + int64(off2))) {
  4371  			break
  4372  		}
  4373  		v.reset(Op386MOVSDload)
  4374  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4375  		v.Aux = symToAux(sym)
  4376  		v.AddArg2(ptr, mem)
  4377  		return true
  4378  	}
  4379  	// match: (MOVSDload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4380  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4381  	// result: (MOVSDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4382  	for {
  4383  		off1 := auxIntToInt32(v.AuxInt)
  4384  		sym1 := auxToSym(v.Aux)
  4385  		if v_0.Op != Op386LEAL {
  4386  			break
  4387  		}
  4388  		off2 := auxIntToInt32(v_0.AuxInt)
  4389  		sym2 := auxToSym(v_0.Aux)
  4390  		base := v_0.Args[0]
  4391  		mem := v_1
  4392  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4393  			break
  4394  		}
  4395  		v.reset(Op386MOVSDload)
  4396  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4397  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4398  		v.AddArg2(base, mem)
  4399  		return true
  4400  	}
  4401  	return false
  4402  }
  4403  func rewriteValue386_Op386MOVSDstore(v *Value) bool {
  4404  	v_2 := v.Args[2]
  4405  	v_1 := v.Args[1]
  4406  	v_0 := v.Args[0]
  4407  	b := v.Block
  4408  	config := b.Func.Config
  4409  	// match: (MOVSDstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4410  	// cond: is32Bit(int64(off1)+int64(off2))
  4411  	// result: (MOVSDstore [off1+off2] {sym} ptr val mem)
  4412  	for {
  4413  		off1 := auxIntToInt32(v.AuxInt)
  4414  		sym := auxToSym(v.Aux)
  4415  		if v_0.Op != Op386ADDLconst {
  4416  			break
  4417  		}
  4418  		off2 := auxIntToInt32(v_0.AuxInt)
  4419  		ptr := v_0.Args[0]
  4420  		val := v_1
  4421  		mem := v_2
  4422  		if !(is32Bit(int64(off1) + int64(off2))) {
  4423  			break
  4424  		}
  4425  		v.reset(Op386MOVSDstore)
  4426  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4427  		v.Aux = symToAux(sym)
  4428  		v.AddArg3(ptr, val, mem)
  4429  		return true
  4430  	}
  4431  	// match: (MOVSDstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4432  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4433  	// result: (MOVSDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4434  	for {
  4435  		off1 := auxIntToInt32(v.AuxInt)
  4436  		sym1 := auxToSym(v.Aux)
  4437  		if v_0.Op != Op386LEAL {
  4438  			break
  4439  		}
  4440  		off2 := auxIntToInt32(v_0.AuxInt)
  4441  		sym2 := auxToSym(v_0.Aux)
  4442  		base := v_0.Args[0]
  4443  		val := v_1
  4444  		mem := v_2
  4445  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4446  			break
  4447  		}
  4448  		v.reset(Op386MOVSDstore)
  4449  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4450  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4451  		v.AddArg3(base, val, mem)
  4452  		return true
  4453  	}
  4454  	return false
  4455  }
  4456  func rewriteValue386_Op386MOVSSconst(v *Value) bool {
  4457  	b := v.Block
  4458  	config := b.Func.Config
  4459  	typ := &b.Func.Config.Types
  4460  	// match: (MOVSSconst [c])
  4461  	// cond: config.ctxt.Flag_shared
  4462  	// result: (MOVSSconst2 (MOVSSconst1 [c]))
  4463  	for {
  4464  		c := auxIntToFloat32(v.AuxInt)
  4465  		if !(config.ctxt.Flag_shared) {
  4466  			break
  4467  		}
  4468  		v.reset(Op386MOVSSconst2)
  4469  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst1, typ.UInt32)
  4470  		v0.AuxInt = float32ToAuxInt(c)
  4471  		v.AddArg(v0)
  4472  		return true
  4473  	}
  4474  	return false
  4475  }
  4476  func rewriteValue386_Op386MOVSSload(v *Value) bool {
  4477  	v_1 := v.Args[1]
  4478  	v_0 := v.Args[0]
  4479  	b := v.Block
  4480  	config := b.Func.Config
  4481  	// match: (MOVSSload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4482  	// cond: is32Bit(int64(off1)+int64(off2))
  4483  	// result: (MOVSSload [off1+off2] {sym} ptr mem)
  4484  	for {
  4485  		off1 := auxIntToInt32(v.AuxInt)
  4486  		sym := auxToSym(v.Aux)
  4487  		if v_0.Op != Op386ADDLconst {
  4488  			break
  4489  		}
  4490  		off2 := auxIntToInt32(v_0.AuxInt)
  4491  		ptr := v_0.Args[0]
  4492  		mem := v_1
  4493  		if !(is32Bit(int64(off1) + int64(off2))) {
  4494  			break
  4495  		}
  4496  		v.reset(Op386MOVSSload)
  4497  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4498  		v.Aux = symToAux(sym)
  4499  		v.AddArg2(ptr, mem)
  4500  		return true
  4501  	}
  4502  	// match: (MOVSSload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4503  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4504  	// result: (MOVSSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4505  	for {
  4506  		off1 := auxIntToInt32(v.AuxInt)
  4507  		sym1 := auxToSym(v.Aux)
  4508  		if v_0.Op != Op386LEAL {
  4509  			break
  4510  		}
  4511  		off2 := auxIntToInt32(v_0.AuxInt)
  4512  		sym2 := auxToSym(v_0.Aux)
  4513  		base := v_0.Args[0]
  4514  		mem := v_1
  4515  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4516  			break
  4517  		}
  4518  		v.reset(Op386MOVSSload)
  4519  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4520  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4521  		v.AddArg2(base, mem)
  4522  		return true
  4523  	}
  4524  	return false
  4525  }
  4526  func rewriteValue386_Op386MOVSSstore(v *Value) bool {
  4527  	v_2 := v.Args[2]
  4528  	v_1 := v.Args[1]
  4529  	v_0 := v.Args[0]
  4530  	b := v.Block
  4531  	config := b.Func.Config
  4532  	// match: (MOVSSstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4533  	// cond: is32Bit(int64(off1)+int64(off2))
  4534  	// result: (MOVSSstore [off1+off2] {sym} ptr val mem)
  4535  	for {
  4536  		off1 := auxIntToInt32(v.AuxInt)
  4537  		sym := auxToSym(v.Aux)
  4538  		if v_0.Op != Op386ADDLconst {
  4539  			break
  4540  		}
  4541  		off2 := auxIntToInt32(v_0.AuxInt)
  4542  		ptr := v_0.Args[0]
  4543  		val := v_1
  4544  		mem := v_2
  4545  		if !(is32Bit(int64(off1) + int64(off2))) {
  4546  			break
  4547  		}
  4548  		v.reset(Op386MOVSSstore)
  4549  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4550  		v.Aux = symToAux(sym)
  4551  		v.AddArg3(ptr, val, mem)
  4552  		return true
  4553  	}
  4554  	// match: (MOVSSstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4555  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4556  	// result: (MOVSSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4557  	for {
  4558  		off1 := auxIntToInt32(v.AuxInt)
  4559  		sym1 := auxToSym(v.Aux)
  4560  		if v_0.Op != Op386LEAL {
  4561  			break
  4562  		}
  4563  		off2 := auxIntToInt32(v_0.AuxInt)
  4564  		sym2 := auxToSym(v_0.Aux)
  4565  		base := v_0.Args[0]
  4566  		val := v_1
  4567  		mem := v_2
  4568  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4569  			break
  4570  		}
  4571  		v.reset(Op386MOVSSstore)
  4572  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4573  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4574  		v.AddArg3(base, val, mem)
  4575  		return true
  4576  	}
  4577  	return false
  4578  }
  4579  func rewriteValue386_Op386MOVWLSX(v *Value) bool {
  4580  	v_0 := v.Args[0]
  4581  	b := v.Block
  4582  	// match: (MOVWLSX x:(MOVWload [off] {sym} ptr mem))
  4583  	// cond: x.Uses == 1 && clobber(x)
  4584  	// result: @x.Block (MOVWLSXload <v.Type> [off] {sym} ptr mem)
  4585  	for {
  4586  		x := v_0
  4587  		if x.Op != Op386MOVWload {
  4588  			break
  4589  		}
  4590  		off := auxIntToInt32(x.AuxInt)
  4591  		sym := auxToSym(x.Aux)
  4592  		mem := x.Args[1]
  4593  		ptr := x.Args[0]
  4594  		if !(x.Uses == 1 && clobber(x)) {
  4595  			break
  4596  		}
  4597  		b = x.Block
  4598  		v0 := b.NewValue0(x.Pos, Op386MOVWLSXload, v.Type)
  4599  		v.copyOf(v0)
  4600  		v0.AuxInt = int32ToAuxInt(off)
  4601  		v0.Aux = symToAux(sym)
  4602  		v0.AddArg2(ptr, mem)
  4603  		return true
  4604  	}
  4605  	// match: (MOVWLSX (ANDLconst [c] x))
  4606  	// cond: c & 0x8000 == 0
  4607  	// result: (ANDLconst [c & 0x7fff] x)
  4608  	for {
  4609  		if v_0.Op != Op386ANDLconst {
  4610  			break
  4611  		}
  4612  		c := auxIntToInt32(v_0.AuxInt)
  4613  		x := v_0.Args[0]
  4614  		if !(c&0x8000 == 0) {
  4615  			break
  4616  		}
  4617  		v.reset(Op386ANDLconst)
  4618  		v.AuxInt = int32ToAuxInt(c & 0x7fff)
  4619  		v.AddArg(x)
  4620  		return true
  4621  	}
  4622  	return false
  4623  }
  4624  func rewriteValue386_Op386MOVWLSXload(v *Value) bool {
  4625  	v_1 := v.Args[1]
  4626  	v_0 := v.Args[0]
  4627  	b := v.Block
  4628  	config := b.Func.Config
  4629  	// match: (MOVWLSXload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4630  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4631  	// result: (MOVWLSX x)
  4632  	for {
  4633  		off := auxIntToInt32(v.AuxInt)
  4634  		sym := auxToSym(v.Aux)
  4635  		ptr := v_0
  4636  		if v_1.Op != Op386MOVWstore {
  4637  			break
  4638  		}
  4639  		off2 := auxIntToInt32(v_1.AuxInt)
  4640  		sym2 := auxToSym(v_1.Aux)
  4641  		x := v_1.Args[1]
  4642  		ptr2 := v_1.Args[0]
  4643  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4644  			break
  4645  		}
  4646  		v.reset(Op386MOVWLSX)
  4647  		v.AddArg(x)
  4648  		return true
  4649  	}
  4650  	// match: (MOVWLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4651  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4652  	// result: (MOVWLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4653  	for {
  4654  		off1 := auxIntToInt32(v.AuxInt)
  4655  		sym1 := auxToSym(v.Aux)
  4656  		if v_0.Op != Op386LEAL {
  4657  			break
  4658  		}
  4659  		off2 := auxIntToInt32(v_0.AuxInt)
  4660  		sym2 := auxToSym(v_0.Aux)
  4661  		base := v_0.Args[0]
  4662  		mem := v_1
  4663  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4664  			break
  4665  		}
  4666  		v.reset(Op386MOVWLSXload)
  4667  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4668  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4669  		v.AddArg2(base, mem)
  4670  		return true
  4671  	}
  4672  	return false
  4673  }
  4674  func rewriteValue386_Op386MOVWLZX(v *Value) bool {
  4675  	v_0 := v.Args[0]
  4676  	b := v.Block
  4677  	// match: (MOVWLZX x:(MOVWload [off] {sym} ptr mem))
  4678  	// cond: x.Uses == 1 && clobber(x)
  4679  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
  4680  	for {
  4681  		x := v_0
  4682  		if x.Op != Op386MOVWload {
  4683  			break
  4684  		}
  4685  		off := auxIntToInt32(x.AuxInt)
  4686  		sym := auxToSym(x.Aux)
  4687  		mem := x.Args[1]
  4688  		ptr := x.Args[0]
  4689  		if !(x.Uses == 1 && clobber(x)) {
  4690  			break
  4691  		}
  4692  		b = x.Block
  4693  		v0 := b.NewValue0(x.Pos, Op386MOVWload, v.Type)
  4694  		v.copyOf(v0)
  4695  		v0.AuxInt = int32ToAuxInt(off)
  4696  		v0.Aux = symToAux(sym)
  4697  		v0.AddArg2(ptr, mem)
  4698  		return true
  4699  	}
  4700  	// match: (MOVWLZX (ANDLconst [c] x))
  4701  	// result: (ANDLconst [c & 0xffff] x)
  4702  	for {
  4703  		if v_0.Op != Op386ANDLconst {
  4704  			break
  4705  		}
  4706  		c := auxIntToInt32(v_0.AuxInt)
  4707  		x := v_0.Args[0]
  4708  		v.reset(Op386ANDLconst)
  4709  		v.AuxInt = int32ToAuxInt(c & 0xffff)
  4710  		v.AddArg(x)
  4711  		return true
  4712  	}
  4713  	return false
  4714  }
  4715  func rewriteValue386_Op386MOVWload(v *Value) bool {
  4716  	v_1 := v.Args[1]
  4717  	v_0 := v.Args[0]
  4718  	b := v.Block
  4719  	config := b.Func.Config
  4720  	// match: (MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4721  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4722  	// result: (MOVWLZX x)
  4723  	for {
  4724  		off := auxIntToInt32(v.AuxInt)
  4725  		sym := auxToSym(v.Aux)
  4726  		ptr := v_0
  4727  		if v_1.Op != Op386MOVWstore {
  4728  			break
  4729  		}
  4730  		off2 := auxIntToInt32(v_1.AuxInt)
  4731  		sym2 := auxToSym(v_1.Aux)
  4732  		x := v_1.Args[1]
  4733  		ptr2 := v_1.Args[0]
  4734  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4735  			break
  4736  		}
  4737  		v.reset(Op386MOVWLZX)
  4738  		v.AddArg(x)
  4739  		return true
  4740  	}
  4741  	// match: (MOVWload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4742  	// cond: is32Bit(int64(off1)+int64(off2))
  4743  	// result: (MOVWload [off1+off2] {sym} ptr mem)
  4744  	for {
  4745  		off1 := auxIntToInt32(v.AuxInt)
  4746  		sym := auxToSym(v.Aux)
  4747  		if v_0.Op != Op386ADDLconst {
  4748  			break
  4749  		}
  4750  		off2 := auxIntToInt32(v_0.AuxInt)
  4751  		ptr := v_0.Args[0]
  4752  		mem := v_1
  4753  		if !(is32Bit(int64(off1) + int64(off2))) {
  4754  			break
  4755  		}
  4756  		v.reset(Op386MOVWload)
  4757  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4758  		v.Aux = symToAux(sym)
  4759  		v.AddArg2(ptr, mem)
  4760  		return true
  4761  	}
  4762  	// match: (MOVWload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4763  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4764  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4765  	for {
  4766  		off1 := auxIntToInt32(v.AuxInt)
  4767  		sym1 := auxToSym(v.Aux)
  4768  		if v_0.Op != Op386LEAL {
  4769  			break
  4770  		}
  4771  		off2 := auxIntToInt32(v_0.AuxInt)
  4772  		sym2 := auxToSym(v_0.Aux)
  4773  		base := v_0.Args[0]
  4774  		mem := v_1
  4775  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4776  			break
  4777  		}
  4778  		v.reset(Op386MOVWload)
  4779  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4780  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4781  		v.AddArg2(base, mem)
  4782  		return true
  4783  	}
  4784  	// match: (MOVWload [off] {sym} (SB) _)
  4785  	// cond: symIsRO(sym)
  4786  	// result: (MOVLconst [int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  4787  	for {
  4788  		off := auxIntToInt32(v.AuxInt)
  4789  		sym := auxToSym(v.Aux)
  4790  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4791  			break
  4792  		}
  4793  		v.reset(Op386MOVLconst)
  4794  		v.AuxInt = int32ToAuxInt(int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  4795  		return true
  4796  	}
  4797  	return false
  4798  }
  4799  func rewriteValue386_Op386MOVWstore(v *Value) bool {
  4800  	v_2 := v.Args[2]
  4801  	v_1 := v.Args[1]
  4802  	v_0 := v.Args[0]
  4803  	b := v.Block
  4804  	config := b.Func.Config
  4805  	// match: (MOVWstore [off] {sym} ptr (MOVWLSX x) mem)
  4806  	// result: (MOVWstore [off] {sym} ptr x mem)
  4807  	for {
  4808  		off := auxIntToInt32(v.AuxInt)
  4809  		sym := auxToSym(v.Aux)
  4810  		ptr := v_0
  4811  		if v_1.Op != Op386MOVWLSX {
  4812  			break
  4813  		}
  4814  		x := v_1.Args[0]
  4815  		mem := v_2
  4816  		v.reset(Op386MOVWstore)
  4817  		v.AuxInt = int32ToAuxInt(off)
  4818  		v.Aux = symToAux(sym)
  4819  		v.AddArg3(ptr, x, mem)
  4820  		return true
  4821  	}
  4822  	// match: (MOVWstore [off] {sym} ptr (MOVWLZX x) mem)
  4823  	// result: (MOVWstore [off] {sym} ptr x mem)
  4824  	for {
  4825  		off := auxIntToInt32(v.AuxInt)
  4826  		sym := auxToSym(v.Aux)
  4827  		ptr := v_0
  4828  		if v_1.Op != Op386MOVWLZX {
  4829  			break
  4830  		}
  4831  		x := v_1.Args[0]
  4832  		mem := v_2
  4833  		v.reset(Op386MOVWstore)
  4834  		v.AuxInt = int32ToAuxInt(off)
  4835  		v.Aux = symToAux(sym)
  4836  		v.AddArg3(ptr, x, mem)
  4837  		return true
  4838  	}
  4839  	// match: (MOVWstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4840  	// cond: is32Bit(int64(off1)+int64(off2))
  4841  	// result: (MOVWstore [off1+off2] {sym} ptr val mem)
  4842  	for {
  4843  		off1 := auxIntToInt32(v.AuxInt)
  4844  		sym := auxToSym(v.Aux)
  4845  		if v_0.Op != Op386ADDLconst {
  4846  			break
  4847  		}
  4848  		off2 := auxIntToInt32(v_0.AuxInt)
  4849  		ptr := v_0.Args[0]
  4850  		val := v_1
  4851  		mem := v_2
  4852  		if !(is32Bit(int64(off1) + int64(off2))) {
  4853  			break
  4854  		}
  4855  		v.reset(Op386MOVWstore)
  4856  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4857  		v.Aux = symToAux(sym)
  4858  		v.AddArg3(ptr, val, mem)
  4859  		return true
  4860  	}
  4861  	// match: (MOVWstore [off] {sym} ptr (MOVLconst [c]) mem)
  4862  	// result: (MOVWstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  4863  	for {
  4864  		off := auxIntToInt32(v.AuxInt)
  4865  		sym := auxToSym(v.Aux)
  4866  		ptr := v_0
  4867  		if v_1.Op != Op386MOVLconst {
  4868  			break
  4869  		}
  4870  		c := auxIntToInt32(v_1.AuxInt)
  4871  		mem := v_2
  4872  		v.reset(Op386MOVWstoreconst)
  4873  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4874  		v.Aux = symToAux(sym)
  4875  		v.AddArg2(ptr, mem)
  4876  		return true
  4877  	}
  4878  	// match: (MOVWstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4879  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4880  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4881  	for {
  4882  		off1 := auxIntToInt32(v.AuxInt)
  4883  		sym1 := auxToSym(v.Aux)
  4884  		if v_0.Op != Op386LEAL {
  4885  			break
  4886  		}
  4887  		off2 := auxIntToInt32(v_0.AuxInt)
  4888  		sym2 := auxToSym(v_0.Aux)
  4889  		base := v_0.Args[0]
  4890  		val := v_1
  4891  		mem := v_2
  4892  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4893  			break
  4894  		}
  4895  		v.reset(Op386MOVWstore)
  4896  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4897  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4898  		v.AddArg3(base, val, mem)
  4899  		return true
  4900  	}
  4901  	return false
  4902  }
  4903  func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
  4904  	v_1 := v.Args[1]
  4905  	v_0 := v.Args[0]
  4906  	b := v.Block
  4907  	config := b.Func.Config
  4908  	// match: (MOVWstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  4909  	// cond: sc.canAdd32(off)
  4910  	// result: (MOVWstoreconst [sc.addOffset32(off)] {s} ptr mem)
  4911  	for {
  4912  		sc := auxIntToValAndOff(v.AuxInt)
  4913  		s := auxToSym(v.Aux)
  4914  		if v_0.Op != Op386ADDLconst {
  4915  			break
  4916  		}
  4917  		off := auxIntToInt32(v_0.AuxInt)
  4918  		ptr := v_0.Args[0]
  4919  		mem := v_1
  4920  		if !(sc.canAdd32(off)) {
  4921  			break
  4922  		}
  4923  		v.reset(Op386MOVWstoreconst)
  4924  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4925  		v.Aux = symToAux(s)
  4926  		v.AddArg2(ptr, mem)
  4927  		return true
  4928  	}
  4929  	// match: (MOVWstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  4930  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  4931  	// result: (MOVWstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  4932  	for {
  4933  		sc := auxIntToValAndOff(v.AuxInt)
  4934  		sym1 := auxToSym(v.Aux)
  4935  		if v_0.Op != Op386LEAL {
  4936  			break
  4937  		}
  4938  		off := auxIntToInt32(v_0.AuxInt)
  4939  		sym2 := auxToSym(v_0.Aux)
  4940  		ptr := v_0.Args[0]
  4941  		mem := v_1
  4942  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4943  			break
  4944  		}
  4945  		v.reset(Op386MOVWstoreconst)
  4946  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4947  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4948  		v.AddArg2(ptr, mem)
  4949  		return true
  4950  	}
  4951  	return false
  4952  }
  4953  func rewriteValue386_Op386MULL(v *Value) bool {
  4954  	v_1 := v.Args[1]
  4955  	v_0 := v.Args[0]
  4956  	// match: (MULL x (MOVLconst [c]))
  4957  	// result: (MULLconst [c] x)
  4958  	for {
  4959  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4960  			x := v_0
  4961  			if v_1.Op != Op386MOVLconst {
  4962  				continue
  4963  			}
  4964  			c := auxIntToInt32(v_1.AuxInt)
  4965  			v.reset(Op386MULLconst)
  4966  			v.AuxInt = int32ToAuxInt(c)
  4967  			v.AddArg(x)
  4968  			return true
  4969  		}
  4970  		break
  4971  	}
  4972  	// match: (MULL x l:(MOVLload [off] {sym} ptr mem))
  4973  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  4974  	// result: (MULLload x [off] {sym} ptr mem)
  4975  	for {
  4976  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4977  			x := v_0
  4978  			l := v_1
  4979  			if l.Op != Op386MOVLload {
  4980  				continue
  4981  			}
  4982  			off := auxIntToInt32(l.AuxInt)
  4983  			sym := auxToSym(l.Aux)
  4984  			mem := l.Args[1]
  4985  			ptr := l.Args[0]
  4986  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  4987  				continue
  4988  			}
  4989  			v.reset(Op386MULLload)
  4990  			v.AuxInt = int32ToAuxInt(off)
  4991  			v.Aux = symToAux(sym)
  4992  			v.AddArg3(x, ptr, mem)
  4993  			return true
  4994  		}
  4995  		break
  4996  	}
  4997  	return false
  4998  }
  4999  func rewriteValue386_Op386MULLconst(v *Value) bool {
  5000  	v_0 := v.Args[0]
  5001  	b := v.Block
  5002  	// match: (MULLconst [c] (MULLconst [d] x))
  5003  	// result: (MULLconst [c * d] x)
  5004  	for {
  5005  		c := auxIntToInt32(v.AuxInt)
  5006  		if v_0.Op != Op386MULLconst {
  5007  			break
  5008  		}
  5009  		d := auxIntToInt32(v_0.AuxInt)
  5010  		x := v_0.Args[0]
  5011  		v.reset(Op386MULLconst)
  5012  		v.AuxInt = int32ToAuxInt(c * d)
  5013  		v.AddArg(x)
  5014  		return true
  5015  	}
  5016  	// match: (MULLconst [-9] x)
  5017  	// result: (NEGL (LEAL8 <v.Type> x x))
  5018  	for {
  5019  		if auxIntToInt32(v.AuxInt) != -9 {
  5020  			break
  5021  		}
  5022  		x := v_0
  5023  		v.reset(Op386NEGL)
  5024  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5025  		v0.AddArg2(x, x)
  5026  		v.AddArg(v0)
  5027  		return true
  5028  	}
  5029  	// match: (MULLconst [-5] x)
  5030  	// result: (NEGL (LEAL4 <v.Type> x x))
  5031  	for {
  5032  		if auxIntToInt32(v.AuxInt) != -5 {
  5033  			break
  5034  		}
  5035  		x := v_0
  5036  		v.reset(Op386NEGL)
  5037  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5038  		v0.AddArg2(x, x)
  5039  		v.AddArg(v0)
  5040  		return true
  5041  	}
  5042  	// match: (MULLconst [-3] x)
  5043  	// result: (NEGL (LEAL2 <v.Type> x x))
  5044  	for {
  5045  		if auxIntToInt32(v.AuxInt) != -3 {
  5046  			break
  5047  		}
  5048  		x := v_0
  5049  		v.reset(Op386NEGL)
  5050  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5051  		v0.AddArg2(x, x)
  5052  		v.AddArg(v0)
  5053  		return true
  5054  	}
  5055  	// match: (MULLconst [-1] x)
  5056  	// result: (NEGL x)
  5057  	for {
  5058  		if auxIntToInt32(v.AuxInt) != -1 {
  5059  			break
  5060  		}
  5061  		x := v_0
  5062  		v.reset(Op386NEGL)
  5063  		v.AddArg(x)
  5064  		return true
  5065  	}
  5066  	// match: (MULLconst [0] _)
  5067  	// result: (MOVLconst [0])
  5068  	for {
  5069  		if auxIntToInt32(v.AuxInt) != 0 {
  5070  			break
  5071  		}
  5072  		v.reset(Op386MOVLconst)
  5073  		v.AuxInt = int32ToAuxInt(0)
  5074  		return true
  5075  	}
  5076  	// match: (MULLconst [1] x)
  5077  	// result: x
  5078  	for {
  5079  		if auxIntToInt32(v.AuxInt) != 1 {
  5080  			break
  5081  		}
  5082  		x := v_0
  5083  		v.copyOf(x)
  5084  		return true
  5085  	}
  5086  	// match: (MULLconst [3] x)
  5087  	// result: (LEAL2 x x)
  5088  	for {
  5089  		if auxIntToInt32(v.AuxInt) != 3 {
  5090  			break
  5091  		}
  5092  		x := v_0
  5093  		v.reset(Op386LEAL2)
  5094  		v.AddArg2(x, x)
  5095  		return true
  5096  	}
  5097  	// match: (MULLconst [5] x)
  5098  	// result: (LEAL4 x x)
  5099  	for {
  5100  		if auxIntToInt32(v.AuxInt) != 5 {
  5101  			break
  5102  		}
  5103  		x := v_0
  5104  		v.reset(Op386LEAL4)
  5105  		v.AddArg2(x, x)
  5106  		return true
  5107  	}
  5108  	// match: (MULLconst [7] x)
  5109  	// result: (LEAL2 x (LEAL2 <v.Type> x x))
  5110  	for {
  5111  		if auxIntToInt32(v.AuxInt) != 7 {
  5112  			break
  5113  		}
  5114  		x := v_0
  5115  		v.reset(Op386LEAL2)
  5116  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5117  		v0.AddArg2(x, x)
  5118  		v.AddArg2(x, v0)
  5119  		return true
  5120  	}
  5121  	// match: (MULLconst [9] x)
  5122  	// result: (LEAL8 x x)
  5123  	for {
  5124  		if auxIntToInt32(v.AuxInt) != 9 {
  5125  			break
  5126  		}
  5127  		x := v_0
  5128  		v.reset(Op386LEAL8)
  5129  		v.AddArg2(x, x)
  5130  		return true
  5131  	}
  5132  	// match: (MULLconst [11] x)
  5133  	// result: (LEAL2 x (LEAL4 <v.Type> x x))
  5134  	for {
  5135  		if auxIntToInt32(v.AuxInt) != 11 {
  5136  			break
  5137  		}
  5138  		x := v_0
  5139  		v.reset(Op386LEAL2)
  5140  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5141  		v0.AddArg2(x, x)
  5142  		v.AddArg2(x, v0)
  5143  		return true
  5144  	}
  5145  	// match: (MULLconst [13] x)
  5146  	// result: (LEAL4 x (LEAL2 <v.Type> x x))
  5147  	for {
  5148  		if auxIntToInt32(v.AuxInt) != 13 {
  5149  			break
  5150  		}
  5151  		x := v_0
  5152  		v.reset(Op386LEAL4)
  5153  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5154  		v0.AddArg2(x, x)
  5155  		v.AddArg2(x, v0)
  5156  		return true
  5157  	}
  5158  	// match: (MULLconst [19] x)
  5159  	// result: (LEAL2 x (LEAL8 <v.Type> x x))
  5160  	for {
  5161  		if auxIntToInt32(v.AuxInt) != 19 {
  5162  			break
  5163  		}
  5164  		x := v_0
  5165  		v.reset(Op386LEAL2)
  5166  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5167  		v0.AddArg2(x, x)
  5168  		v.AddArg2(x, v0)
  5169  		return true
  5170  	}
  5171  	// match: (MULLconst [21] x)
  5172  	// result: (LEAL4 x (LEAL4 <v.Type> x x))
  5173  	for {
  5174  		if auxIntToInt32(v.AuxInt) != 21 {
  5175  			break
  5176  		}
  5177  		x := v_0
  5178  		v.reset(Op386LEAL4)
  5179  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5180  		v0.AddArg2(x, x)
  5181  		v.AddArg2(x, v0)
  5182  		return true
  5183  	}
  5184  	// match: (MULLconst [25] x)
  5185  	// result: (LEAL8 x (LEAL2 <v.Type> x x))
  5186  	for {
  5187  		if auxIntToInt32(v.AuxInt) != 25 {
  5188  			break
  5189  		}
  5190  		x := v_0
  5191  		v.reset(Op386LEAL8)
  5192  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5193  		v0.AddArg2(x, x)
  5194  		v.AddArg2(x, v0)
  5195  		return true
  5196  	}
  5197  	// match: (MULLconst [27] x)
  5198  	// result: (LEAL8 (LEAL2 <v.Type> x x) (LEAL2 <v.Type> x x))
  5199  	for {
  5200  		if auxIntToInt32(v.AuxInt) != 27 {
  5201  			break
  5202  		}
  5203  		x := v_0
  5204  		v.reset(Op386LEAL8)
  5205  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5206  		v0.AddArg2(x, x)
  5207  		v.AddArg2(v0, v0)
  5208  		return true
  5209  	}
  5210  	// match: (MULLconst [37] x)
  5211  	// result: (LEAL4 x (LEAL8 <v.Type> x x))
  5212  	for {
  5213  		if auxIntToInt32(v.AuxInt) != 37 {
  5214  			break
  5215  		}
  5216  		x := v_0
  5217  		v.reset(Op386LEAL4)
  5218  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5219  		v0.AddArg2(x, x)
  5220  		v.AddArg2(x, v0)
  5221  		return true
  5222  	}
  5223  	// match: (MULLconst [41] x)
  5224  	// result: (LEAL8 x (LEAL4 <v.Type> x x))
  5225  	for {
  5226  		if auxIntToInt32(v.AuxInt) != 41 {
  5227  			break
  5228  		}
  5229  		x := v_0
  5230  		v.reset(Op386LEAL8)
  5231  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5232  		v0.AddArg2(x, x)
  5233  		v.AddArg2(x, v0)
  5234  		return true
  5235  	}
  5236  	// match: (MULLconst [45] x)
  5237  	// result: (LEAL8 (LEAL4 <v.Type> x x) (LEAL4 <v.Type> x x))
  5238  	for {
  5239  		if auxIntToInt32(v.AuxInt) != 45 {
  5240  			break
  5241  		}
  5242  		x := v_0
  5243  		v.reset(Op386LEAL8)
  5244  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5245  		v0.AddArg2(x, x)
  5246  		v.AddArg2(v0, v0)
  5247  		return true
  5248  	}
  5249  	// match: (MULLconst [73] x)
  5250  	// result: (LEAL8 x (LEAL8 <v.Type> x x))
  5251  	for {
  5252  		if auxIntToInt32(v.AuxInt) != 73 {
  5253  			break
  5254  		}
  5255  		x := v_0
  5256  		v.reset(Op386LEAL8)
  5257  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5258  		v0.AddArg2(x, x)
  5259  		v.AddArg2(x, v0)
  5260  		return true
  5261  	}
  5262  	// match: (MULLconst [81] x)
  5263  	// result: (LEAL8 (LEAL8 <v.Type> x x) (LEAL8 <v.Type> x x))
  5264  	for {
  5265  		if auxIntToInt32(v.AuxInt) != 81 {
  5266  			break
  5267  		}
  5268  		x := v_0
  5269  		v.reset(Op386LEAL8)
  5270  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5271  		v0.AddArg2(x, x)
  5272  		v.AddArg2(v0, v0)
  5273  		return true
  5274  	}
  5275  	// match: (MULLconst [c] x)
  5276  	// cond: isPowerOfTwo32(c+1) && c >= 15
  5277  	// result: (SUBL (SHLLconst <v.Type> [int32(log32(c+1))] x) x)
  5278  	for {
  5279  		c := auxIntToInt32(v.AuxInt)
  5280  		x := v_0
  5281  		if !(isPowerOfTwo32(c+1) && c >= 15) {
  5282  			break
  5283  		}
  5284  		v.reset(Op386SUBL)
  5285  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5286  		v0.AuxInt = int32ToAuxInt(int32(log32(c + 1)))
  5287  		v0.AddArg(x)
  5288  		v.AddArg2(v0, x)
  5289  		return true
  5290  	}
  5291  	// match: (MULLconst [c] x)
  5292  	// cond: isPowerOfTwo32(c-1) && c >= 17
  5293  	// result: (LEAL1 (SHLLconst <v.Type> [int32(log32(c-1))] x) x)
  5294  	for {
  5295  		c := auxIntToInt32(v.AuxInt)
  5296  		x := v_0
  5297  		if !(isPowerOfTwo32(c-1) && c >= 17) {
  5298  			break
  5299  		}
  5300  		v.reset(Op386LEAL1)
  5301  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5302  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 1)))
  5303  		v0.AddArg(x)
  5304  		v.AddArg2(v0, x)
  5305  		return true
  5306  	}
  5307  	// match: (MULLconst [c] x)
  5308  	// cond: isPowerOfTwo32(c-2) && c >= 34
  5309  	// result: (LEAL2 (SHLLconst <v.Type> [int32(log32(c-2))] x) x)
  5310  	for {
  5311  		c := auxIntToInt32(v.AuxInt)
  5312  		x := v_0
  5313  		if !(isPowerOfTwo32(c-2) && c >= 34) {
  5314  			break
  5315  		}
  5316  		v.reset(Op386LEAL2)
  5317  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5318  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 2)))
  5319  		v0.AddArg(x)
  5320  		v.AddArg2(v0, x)
  5321  		return true
  5322  	}
  5323  	// match: (MULLconst [c] x)
  5324  	// cond: isPowerOfTwo32(c-4) && c >= 68
  5325  	// result: (LEAL4 (SHLLconst <v.Type> [int32(log32(c-4))] x) x)
  5326  	for {
  5327  		c := auxIntToInt32(v.AuxInt)
  5328  		x := v_0
  5329  		if !(isPowerOfTwo32(c-4) && c >= 68) {
  5330  			break
  5331  		}
  5332  		v.reset(Op386LEAL4)
  5333  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5334  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 4)))
  5335  		v0.AddArg(x)
  5336  		v.AddArg2(v0, x)
  5337  		return true
  5338  	}
  5339  	// match: (MULLconst [c] x)
  5340  	// cond: isPowerOfTwo32(c-8) && c >= 136
  5341  	// result: (LEAL8 (SHLLconst <v.Type> [int32(log32(c-8))] x) x)
  5342  	for {
  5343  		c := auxIntToInt32(v.AuxInt)
  5344  		x := v_0
  5345  		if !(isPowerOfTwo32(c-8) && c >= 136) {
  5346  			break
  5347  		}
  5348  		v.reset(Op386LEAL8)
  5349  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5350  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 8)))
  5351  		v0.AddArg(x)
  5352  		v.AddArg2(v0, x)
  5353  		return true
  5354  	}
  5355  	// match: (MULLconst [c] x)
  5356  	// cond: c%3 == 0 && isPowerOfTwo32(c/3)
  5357  	// result: (SHLLconst [int32(log32(c/3))] (LEAL2 <v.Type> x x))
  5358  	for {
  5359  		c := auxIntToInt32(v.AuxInt)
  5360  		x := v_0
  5361  		if !(c%3 == 0 && isPowerOfTwo32(c/3)) {
  5362  			break
  5363  		}
  5364  		v.reset(Op386SHLLconst)
  5365  		v.AuxInt = int32ToAuxInt(int32(log32(c / 3)))
  5366  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5367  		v0.AddArg2(x, x)
  5368  		v.AddArg(v0)
  5369  		return true
  5370  	}
  5371  	// match: (MULLconst [c] x)
  5372  	// cond: c%5 == 0 && isPowerOfTwo32(c/5)
  5373  	// result: (SHLLconst [int32(log32(c/5))] (LEAL4 <v.Type> x x))
  5374  	for {
  5375  		c := auxIntToInt32(v.AuxInt)
  5376  		x := v_0
  5377  		if !(c%5 == 0 && isPowerOfTwo32(c/5)) {
  5378  			break
  5379  		}
  5380  		v.reset(Op386SHLLconst)
  5381  		v.AuxInt = int32ToAuxInt(int32(log32(c / 5)))
  5382  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5383  		v0.AddArg2(x, x)
  5384  		v.AddArg(v0)
  5385  		return true
  5386  	}
  5387  	// match: (MULLconst [c] x)
  5388  	// cond: c%9 == 0 && isPowerOfTwo32(c/9)
  5389  	// result: (SHLLconst [int32(log32(c/9))] (LEAL8 <v.Type> x x))
  5390  	for {
  5391  		c := auxIntToInt32(v.AuxInt)
  5392  		x := v_0
  5393  		if !(c%9 == 0 && isPowerOfTwo32(c/9)) {
  5394  			break
  5395  		}
  5396  		v.reset(Op386SHLLconst)
  5397  		v.AuxInt = int32ToAuxInt(int32(log32(c / 9)))
  5398  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5399  		v0.AddArg2(x, x)
  5400  		v.AddArg(v0)
  5401  		return true
  5402  	}
  5403  	// match: (MULLconst [c] (MOVLconst [d]))
  5404  	// result: (MOVLconst [c*d])
  5405  	for {
  5406  		c := auxIntToInt32(v.AuxInt)
  5407  		if v_0.Op != Op386MOVLconst {
  5408  			break
  5409  		}
  5410  		d := auxIntToInt32(v_0.AuxInt)
  5411  		v.reset(Op386MOVLconst)
  5412  		v.AuxInt = int32ToAuxInt(c * d)
  5413  		return true
  5414  	}
  5415  	return false
  5416  }
  5417  func rewriteValue386_Op386MULLload(v *Value) bool {
  5418  	v_2 := v.Args[2]
  5419  	v_1 := v.Args[1]
  5420  	v_0 := v.Args[0]
  5421  	b := v.Block
  5422  	config := b.Func.Config
  5423  	// match: (MULLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5424  	// cond: is32Bit(int64(off1)+int64(off2))
  5425  	// result: (MULLload [off1+off2] {sym} val base mem)
  5426  	for {
  5427  		off1 := auxIntToInt32(v.AuxInt)
  5428  		sym := auxToSym(v.Aux)
  5429  		val := v_0
  5430  		if v_1.Op != Op386ADDLconst {
  5431  			break
  5432  		}
  5433  		off2 := auxIntToInt32(v_1.AuxInt)
  5434  		base := v_1.Args[0]
  5435  		mem := v_2
  5436  		if !(is32Bit(int64(off1) + int64(off2))) {
  5437  			break
  5438  		}
  5439  		v.reset(Op386MULLload)
  5440  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5441  		v.Aux = symToAux(sym)
  5442  		v.AddArg3(val, base, mem)
  5443  		return true
  5444  	}
  5445  	// match: (MULLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5446  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5447  	// result: (MULLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5448  	for {
  5449  		off1 := auxIntToInt32(v.AuxInt)
  5450  		sym1 := auxToSym(v.Aux)
  5451  		val := v_0
  5452  		if v_1.Op != Op386LEAL {
  5453  			break
  5454  		}
  5455  		off2 := auxIntToInt32(v_1.AuxInt)
  5456  		sym2 := auxToSym(v_1.Aux)
  5457  		base := v_1.Args[0]
  5458  		mem := v_2
  5459  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5460  			break
  5461  		}
  5462  		v.reset(Op386MULLload)
  5463  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5464  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5465  		v.AddArg3(val, base, mem)
  5466  		return true
  5467  	}
  5468  	return false
  5469  }
  5470  func rewriteValue386_Op386MULSD(v *Value) bool {
  5471  	v_1 := v.Args[1]
  5472  	v_0 := v.Args[0]
  5473  	// match: (MULSD x l:(MOVSDload [off] {sym} ptr mem))
  5474  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5475  	// result: (MULSDload x [off] {sym} ptr mem)
  5476  	for {
  5477  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5478  			x := v_0
  5479  			l := v_1
  5480  			if l.Op != Op386MOVSDload {
  5481  				continue
  5482  			}
  5483  			off := auxIntToInt32(l.AuxInt)
  5484  			sym := auxToSym(l.Aux)
  5485  			mem := l.Args[1]
  5486  			ptr := l.Args[0]
  5487  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5488  				continue
  5489  			}
  5490  			v.reset(Op386MULSDload)
  5491  			v.AuxInt = int32ToAuxInt(off)
  5492  			v.Aux = symToAux(sym)
  5493  			v.AddArg3(x, ptr, mem)
  5494  			return true
  5495  		}
  5496  		break
  5497  	}
  5498  	return false
  5499  }
  5500  func rewriteValue386_Op386MULSDload(v *Value) bool {
  5501  	v_2 := v.Args[2]
  5502  	v_1 := v.Args[1]
  5503  	v_0 := v.Args[0]
  5504  	b := v.Block
  5505  	config := b.Func.Config
  5506  	// match: (MULSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  5507  	// cond: is32Bit(int64(off1)+int64(off2))
  5508  	// result: (MULSDload [off1+off2] {sym} val base mem)
  5509  	for {
  5510  		off1 := auxIntToInt32(v.AuxInt)
  5511  		sym := auxToSym(v.Aux)
  5512  		val := v_0
  5513  		if v_1.Op != Op386ADDLconst {
  5514  			break
  5515  		}
  5516  		off2 := auxIntToInt32(v_1.AuxInt)
  5517  		base := v_1.Args[0]
  5518  		mem := v_2
  5519  		if !(is32Bit(int64(off1) + int64(off2))) {
  5520  			break
  5521  		}
  5522  		v.reset(Op386MULSDload)
  5523  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5524  		v.Aux = symToAux(sym)
  5525  		v.AddArg3(val, base, mem)
  5526  		return true
  5527  	}
  5528  	// match: (MULSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5529  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5530  	// result: (MULSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5531  	for {
  5532  		off1 := auxIntToInt32(v.AuxInt)
  5533  		sym1 := auxToSym(v.Aux)
  5534  		val := v_0
  5535  		if v_1.Op != Op386LEAL {
  5536  			break
  5537  		}
  5538  		off2 := auxIntToInt32(v_1.AuxInt)
  5539  		sym2 := auxToSym(v_1.Aux)
  5540  		base := v_1.Args[0]
  5541  		mem := v_2
  5542  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5543  			break
  5544  		}
  5545  		v.reset(Op386MULSDload)
  5546  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5547  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5548  		v.AddArg3(val, base, mem)
  5549  		return true
  5550  	}
  5551  	return false
  5552  }
  5553  func rewriteValue386_Op386MULSS(v *Value) bool {
  5554  	v_1 := v.Args[1]
  5555  	v_0 := v.Args[0]
  5556  	// match: (MULSS x l:(MOVSSload [off] {sym} ptr mem))
  5557  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5558  	// result: (MULSSload x [off] {sym} ptr mem)
  5559  	for {
  5560  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5561  			x := v_0
  5562  			l := v_1
  5563  			if l.Op != Op386MOVSSload {
  5564  				continue
  5565  			}
  5566  			off := auxIntToInt32(l.AuxInt)
  5567  			sym := auxToSym(l.Aux)
  5568  			mem := l.Args[1]
  5569  			ptr := l.Args[0]
  5570  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5571  				continue
  5572  			}
  5573  			v.reset(Op386MULSSload)
  5574  			v.AuxInt = int32ToAuxInt(off)
  5575  			v.Aux = symToAux(sym)
  5576  			v.AddArg3(x, ptr, mem)
  5577  			return true
  5578  		}
  5579  		break
  5580  	}
  5581  	return false
  5582  }
  5583  func rewriteValue386_Op386MULSSload(v *Value) bool {
  5584  	v_2 := v.Args[2]
  5585  	v_1 := v.Args[1]
  5586  	v_0 := v.Args[0]
  5587  	b := v.Block
  5588  	config := b.Func.Config
  5589  	// match: (MULSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  5590  	// cond: is32Bit(int64(off1)+int64(off2))
  5591  	// result: (MULSSload [off1+off2] {sym} val base mem)
  5592  	for {
  5593  		off1 := auxIntToInt32(v.AuxInt)
  5594  		sym := auxToSym(v.Aux)
  5595  		val := v_0
  5596  		if v_1.Op != Op386ADDLconst {
  5597  			break
  5598  		}
  5599  		off2 := auxIntToInt32(v_1.AuxInt)
  5600  		base := v_1.Args[0]
  5601  		mem := v_2
  5602  		if !(is32Bit(int64(off1) + int64(off2))) {
  5603  			break
  5604  		}
  5605  		v.reset(Op386MULSSload)
  5606  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5607  		v.Aux = symToAux(sym)
  5608  		v.AddArg3(val, base, mem)
  5609  		return true
  5610  	}
  5611  	// match: (MULSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5612  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5613  	// result: (MULSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5614  	for {
  5615  		off1 := auxIntToInt32(v.AuxInt)
  5616  		sym1 := auxToSym(v.Aux)
  5617  		val := v_0
  5618  		if v_1.Op != Op386LEAL {
  5619  			break
  5620  		}
  5621  		off2 := auxIntToInt32(v_1.AuxInt)
  5622  		sym2 := auxToSym(v_1.Aux)
  5623  		base := v_1.Args[0]
  5624  		mem := v_2
  5625  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5626  			break
  5627  		}
  5628  		v.reset(Op386MULSSload)
  5629  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5630  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5631  		v.AddArg3(val, base, mem)
  5632  		return true
  5633  	}
  5634  	return false
  5635  }
  5636  func rewriteValue386_Op386NEGL(v *Value) bool {
  5637  	v_0 := v.Args[0]
  5638  	// match: (NEGL (MOVLconst [c]))
  5639  	// result: (MOVLconst [-c])
  5640  	for {
  5641  		if v_0.Op != Op386MOVLconst {
  5642  			break
  5643  		}
  5644  		c := auxIntToInt32(v_0.AuxInt)
  5645  		v.reset(Op386MOVLconst)
  5646  		v.AuxInt = int32ToAuxInt(-c)
  5647  		return true
  5648  	}
  5649  	return false
  5650  }
  5651  func rewriteValue386_Op386NOTL(v *Value) bool {
  5652  	v_0 := v.Args[0]
  5653  	// match: (NOTL (MOVLconst [c]))
  5654  	// result: (MOVLconst [^c])
  5655  	for {
  5656  		if v_0.Op != Op386MOVLconst {
  5657  			break
  5658  		}
  5659  		c := auxIntToInt32(v_0.AuxInt)
  5660  		v.reset(Op386MOVLconst)
  5661  		v.AuxInt = int32ToAuxInt(^c)
  5662  		return true
  5663  	}
  5664  	return false
  5665  }
  5666  func rewriteValue386_Op386ORL(v *Value) bool {
  5667  	v_1 := v.Args[1]
  5668  	v_0 := v.Args[0]
  5669  	// match: (ORL x (MOVLconst [c]))
  5670  	// result: (ORLconst [c] x)
  5671  	for {
  5672  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5673  			x := v_0
  5674  			if v_1.Op != Op386MOVLconst {
  5675  				continue
  5676  			}
  5677  			c := auxIntToInt32(v_1.AuxInt)
  5678  			v.reset(Op386ORLconst)
  5679  			v.AuxInt = int32ToAuxInt(c)
  5680  			v.AddArg(x)
  5681  			return true
  5682  		}
  5683  		break
  5684  	}
  5685  	// match: (ORL x l:(MOVLload [off] {sym} ptr mem))
  5686  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5687  	// result: (ORLload x [off] {sym} ptr mem)
  5688  	for {
  5689  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5690  			x := v_0
  5691  			l := v_1
  5692  			if l.Op != Op386MOVLload {
  5693  				continue
  5694  			}
  5695  			off := auxIntToInt32(l.AuxInt)
  5696  			sym := auxToSym(l.Aux)
  5697  			mem := l.Args[1]
  5698  			ptr := l.Args[0]
  5699  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5700  				continue
  5701  			}
  5702  			v.reset(Op386ORLload)
  5703  			v.AuxInt = int32ToAuxInt(off)
  5704  			v.Aux = symToAux(sym)
  5705  			v.AddArg3(x, ptr, mem)
  5706  			return true
  5707  		}
  5708  		break
  5709  	}
  5710  	// match: (ORL x x)
  5711  	// result: x
  5712  	for {
  5713  		x := v_0
  5714  		if x != v_1 {
  5715  			break
  5716  		}
  5717  		v.copyOf(x)
  5718  		return true
  5719  	}
  5720  	return false
  5721  }
  5722  func rewriteValue386_Op386ORLconst(v *Value) bool {
  5723  	v_0 := v.Args[0]
  5724  	// match: (ORLconst [c] x)
  5725  	// cond: c==0
  5726  	// result: x
  5727  	for {
  5728  		c := auxIntToInt32(v.AuxInt)
  5729  		x := v_0
  5730  		if !(c == 0) {
  5731  			break
  5732  		}
  5733  		v.copyOf(x)
  5734  		return true
  5735  	}
  5736  	// match: (ORLconst [c] _)
  5737  	// cond: c==-1
  5738  	// result: (MOVLconst [-1])
  5739  	for {
  5740  		c := auxIntToInt32(v.AuxInt)
  5741  		if !(c == -1) {
  5742  			break
  5743  		}
  5744  		v.reset(Op386MOVLconst)
  5745  		v.AuxInt = int32ToAuxInt(-1)
  5746  		return true
  5747  	}
  5748  	// match: (ORLconst [c] (MOVLconst [d]))
  5749  	// result: (MOVLconst [c|d])
  5750  	for {
  5751  		c := auxIntToInt32(v.AuxInt)
  5752  		if v_0.Op != Op386MOVLconst {
  5753  			break
  5754  		}
  5755  		d := auxIntToInt32(v_0.AuxInt)
  5756  		v.reset(Op386MOVLconst)
  5757  		v.AuxInt = int32ToAuxInt(c | d)
  5758  		return true
  5759  	}
  5760  	return false
  5761  }
  5762  func rewriteValue386_Op386ORLconstmodify(v *Value) bool {
  5763  	v_1 := v.Args[1]
  5764  	v_0 := v.Args[0]
  5765  	b := v.Block
  5766  	config := b.Func.Config
  5767  	// match: (ORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  5768  	// cond: valoff1.canAdd32(off2)
  5769  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  5770  	for {
  5771  		valoff1 := auxIntToValAndOff(v.AuxInt)
  5772  		sym := auxToSym(v.Aux)
  5773  		if v_0.Op != Op386ADDLconst {
  5774  			break
  5775  		}
  5776  		off2 := auxIntToInt32(v_0.AuxInt)
  5777  		base := v_0.Args[0]
  5778  		mem := v_1
  5779  		if !(valoff1.canAdd32(off2)) {
  5780  			break
  5781  		}
  5782  		v.reset(Op386ORLconstmodify)
  5783  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  5784  		v.Aux = symToAux(sym)
  5785  		v.AddArg2(base, mem)
  5786  		return true
  5787  	}
  5788  	// match: (ORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  5789  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5790  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  5791  	for {
  5792  		valoff1 := auxIntToValAndOff(v.AuxInt)
  5793  		sym1 := auxToSym(v.Aux)
  5794  		if v_0.Op != Op386LEAL {
  5795  			break
  5796  		}
  5797  		off2 := auxIntToInt32(v_0.AuxInt)
  5798  		sym2 := auxToSym(v_0.Aux)
  5799  		base := v_0.Args[0]
  5800  		mem := v_1
  5801  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5802  			break
  5803  		}
  5804  		v.reset(Op386ORLconstmodify)
  5805  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  5806  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5807  		v.AddArg2(base, mem)
  5808  		return true
  5809  	}
  5810  	return false
  5811  }
  5812  func rewriteValue386_Op386ORLload(v *Value) bool {
  5813  	v_2 := v.Args[2]
  5814  	v_1 := v.Args[1]
  5815  	v_0 := v.Args[0]
  5816  	b := v.Block
  5817  	config := b.Func.Config
  5818  	// match: (ORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5819  	// cond: is32Bit(int64(off1)+int64(off2))
  5820  	// result: (ORLload [off1+off2] {sym} val base mem)
  5821  	for {
  5822  		off1 := auxIntToInt32(v.AuxInt)
  5823  		sym := auxToSym(v.Aux)
  5824  		val := v_0
  5825  		if v_1.Op != Op386ADDLconst {
  5826  			break
  5827  		}
  5828  		off2 := auxIntToInt32(v_1.AuxInt)
  5829  		base := v_1.Args[0]
  5830  		mem := v_2
  5831  		if !(is32Bit(int64(off1) + int64(off2))) {
  5832  			break
  5833  		}
  5834  		v.reset(Op386ORLload)
  5835  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5836  		v.Aux = symToAux(sym)
  5837  		v.AddArg3(val, base, mem)
  5838  		return true
  5839  	}
  5840  	// match: (ORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5841  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5842  	// result: (ORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5843  	for {
  5844  		off1 := auxIntToInt32(v.AuxInt)
  5845  		sym1 := auxToSym(v.Aux)
  5846  		val := v_0
  5847  		if v_1.Op != Op386LEAL {
  5848  			break
  5849  		}
  5850  		off2 := auxIntToInt32(v_1.AuxInt)
  5851  		sym2 := auxToSym(v_1.Aux)
  5852  		base := v_1.Args[0]
  5853  		mem := v_2
  5854  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5855  			break
  5856  		}
  5857  		v.reset(Op386ORLload)
  5858  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5859  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5860  		v.AddArg3(val, base, mem)
  5861  		return true
  5862  	}
  5863  	return false
  5864  }
  5865  func rewriteValue386_Op386ORLmodify(v *Value) bool {
  5866  	v_2 := v.Args[2]
  5867  	v_1 := v.Args[1]
  5868  	v_0 := v.Args[0]
  5869  	b := v.Block
  5870  	config := b.Func.Config
  5871  	// match: (ORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  5872  	// cond: is32Bit(int64(off1)+int64(off2))
  5873  	// result: (ORLmodify [off1+off2] {sym} base val mem)
  5874  	for {
  5875  		off1 := auxIntToInt32(v.AuxInt)
  5876  		sym := auxToSym(v.Aux)
  5877  		if v_0.Op != Op386ADDLconst {
  5878  			break
  5879  		}
  5880  		off2 := auxIntToInt32(v_0.AuxInt)
  5881  		base := v_0.Args[0]
  5882  		val := v_1
  5883  		mem := v_2
  5884  		if !(is32Bit(int64(off1) + int64(off2))) {
  5885  			break
  5886  		}
  5887  		v.reset(Op386ORLmodify)
  5888  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5889  		v.Aux = symToAux(sym)
  5890  		v.AddArg3(base, val, mem)
  5891  		return true
  5892  	}
  5893  	// match: (ORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  5894  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5895  	// result: (ORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5896  	for {
  5897  		off1 := auxIntToInt32(v.AuxInt)
  5898  		sym1 := auxToSym(v.Aux)
  5899  		if v_0.Op != Op386LEAL {
  5900  			break
  5901  		}
  5902  		off2 := auxIntToInt32(v_0.AuxInt)
  5903  		sym2 := auxToSym(v_0.Aux)
  5904  		base := v_0.Args[0]
  5905  		val := v_1
  5906  		mem := v_2
  5907  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5908  			break
  5909  		}
  5910  		v.reset(Op386ORLmodify)
  5911  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5912  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5913  		v.AddArg3(base, val, mem)
  5914  		return true
  5915  	}
  5916  	return false
  5917  }
  5918  func rewriteValue386_Op386ROLB(v *Value) bool {
  5919  	v_1 := v.Args[1]
  5920  	v_0 := v.Args[0]
  5921  	// match: (ROLB x (MOVLconst [c]))
  5922  	// result: (ROLBconst [int8(c&7)] x)
  5923  	for {
  5924  		x := v_0
  5925  		if v_1.Op != Op386MOVLconst {
  5926  			break
  5927  		}
  5928  		c := auxIntToInt32(v_1.AuxInt)
  5929  		v.reset(Op386ROLBconst)
  5930  		v.AuxInt = int8ToAuxInt(int8(c & 7))
  5931  		v.AddArg(x)
  5932  		return true
  5933  	}
  5934  	return false
  5935  }
  5936  func rewriteValue386_Op386ROLBconst(v *Value) bool {
  5937  	v_0 := v.Args[0]
  5938  	// match: (ROLBconst [0] x)
  5939  	// result: x
  5940  	for {
  5941  		if auxIntToInt8(v.AuxInt) != 0 {
  5942  			break
  5943  		}
  5944  		x := v_0
  5945  		v.copyOf(x)
  5946  		return true
  5947  	}
  5948  	return false
  5949  }
  5950  func rewriteValue386_Op386ROLL(v *Value) bool {
  5951  	v_1 := v.Args[1]
  5952  	v_0 := v.Args[0]
  5953  	// match: (ROLL x (MOVLconst [c]))
  5954  	// result: (ROLLconst [c&31] x)
  5955  	for {
  5956  		x := v_0
  5957  		if v_1.Op != Op386MOVLconst {
  5958  			break
  5959  		}
  5960  		c := auxIntToInt32(v_1.AuxInt)
  5961  		v.reset(Op386ROLLconst)
  5962  		v.AuxInt = int32ToAuxInt(c & 31)
  5963  		v.AddArg(x)
  5964  		return true
  5965  	}
  5966  	return false
  5967  }
  5968  func rewriteValue386_Op386ROLLconst(v *Value) bool {
  5969  	v_0 := v.Args[0]
  5970  	// match: (ROLLconst [0] x)
  5971  	// result: x
  5972  	for {
  5973  		if auxIntToInt32(v.AuxInt) != 0 {
  5974  			break
  5975  		}
  5976  		x := v_0
  5977  		v.copyOf(x)
  5978  		return true
  5979  	}
  5980  	return false
  5981  }
  5982  func rewriteValue386_Op386ROLW(v *Value) bool {
  5983  	v_1 := v.Args[1]
  5984  	v_0 := v.Args[0]
  5985  	// match: (ROLW x (MOVLconst [c]))
  5986  	// result: (ROLWconst [int16(c&15)] x)
  5987  	for {
  5988  		x := v_0
  5989  		if v_1.Op != Op386MOVLconst {
  5990  			break
  5991  		}
  5992  		c := auxIntToInt32(v_1.AuxInt)
  5993  		v.reset(Op386ROLWconst)
  5994  		v.AuxInt = int16ToAuxInt(int16(c & 15))
  5995  		v.AddArg(x)
  5996  		return true
  5997  	}
  5998  	return false
  5999  }
  6000  func rewriteValue386_Op386ROLWconst(v *Value) bool {
  6001  	v_0 := v.Args[0]
  6002  	// match: (ROLWconst [0] x)
  6003  	// result: x
  6004  	for {
  6005  		if auxIntToInt16(v.AuxInt) != 0 {
  6006  			break
  6007  		}
  6008  		x := v_0
  6009  		v.copyOf(x)
  6010  		return true
  6011  	}
  6012  	return false
  6013  }
  6014  func rewriteValue386_Op386SARB(v *Value) bool {
  6015  	v_1 := v.Args[1]
  6016  	v_0 := v.Args[0]
  6017  	// match: (SARB x (MOVLconst [c]))
  6018  	// result: (SARBconst [int8(min(int64(c&31),7))] x)
  6019  	for {
  6020  		x := v_0
  6021  		if v_1.Op != Op386MOVLconst {
  6022  			break
  6023  		}
  6024  		c := auxIntToInt32(v_1.AuxInt)
  6025  		v.reset(Op386SARBconst)
  6026  		v.AuxInt = int8ToAuxInt(int8(min(int64(c&31), 7)))
  6027  		v.AddArg(x)
  6028  		return true
  6029  	}
  6030  	return false
  6031  }
  6032  func rewriteValue386_Op386SARBconst(v *Value) bool {
  6033  	v_0 := v.Args[0]
  6034  	// match: (SARBconst x [0])
  6035  	// result: x
  6036  	for {
  6037  		if auxIntToInt8(v.AuxInt) != 0 {
  6038  			break
  6039  		}
  6040  		x := v_0
  6041  		v.copyOf(x)
  6042  		return true
  6043  	}
  6044  	// match: (SARBconst [c] (MOVLconst [d]))
  6045  	// result: (MOVLconst [d>>uint64(c)])
  6046  	for {
  6047  		c := auxIntToInt8(v.AuxInt)
  6048  		if v_0.Op != Op386MOVLconst {
  6049  			break
  6050  		}
  6051  		d := auxIntToInt32(v_0.AuxInt)
  6052  		v.reset(Op386MOVLconst)
  6053  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6054  		return true
  6055  	}
  6056  	return false
  6057  }
  6058  func rewriteValue386_Op386SARL(v *Value) bool {
  6059  	v_1 := v.Args[1]
  6060  	v_0 := v.Args[0]
  6061  	// match: (SARL x (MOVLconst [c]))
  6062  	// result: (SARLconst [c&31] x)
  6063  	for {
  6064  		x := v_0
  6065  		if v_1.Op != Op386MOVLconst {
  6066  			break
  6067  		}
  6068  		c := auxIntToInt32(v_1.AuxInt)
  6069  		v.reset(Op386SARLconst)
  6070  		v.AuxInt = int32ToAuxInt(c & 31)
  6071  		v.AddArg(x)
  6072  		return true
  6073  	}
  6074  	// match: (SARL x (ANDLconst [31] y))
  6075  	// result: (SARL x y)
  6076  	for {
  6077  		x := v_0
  6078  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6079  			break
  6080  		}
  6081  		y := v_1.Args[0]
  6082  		v.reset(Op386SARL)
  6083  		v.AddArg2(x, y)
  6084  		return true
  6085  	}
  6086  	return false
  6087  }
  6088  func rewriteValue386_Op386SARLconst(v *Value) bool {
  6089  	v_0 := v.Args[0]
  6090  	// match: (SARLconst x [0])
  6091  	// result: x
  6092  	for {
  6093  		if auxIntToInt32(v.AuxInt) != 0 {
  6094  			break
  6095  		}
  6096  		x := v_0
  6097  		v.copyOf(x)
  6098  		return true
  6099  	}
  6100  	// match: (SARLconst [c] (MOVLconst [d]))
  6101  	// result: (MOVLconst [d>>uint64(c)])
  6102  	for {
  6103  		c := auxIntToInt32(v.AuxInt)
  6104  		if v_0.Op != Op386MOVLconst {
  6105  			break
  6106  		}
  6107  		d := auxIntToInt32(v_0.AuxInt)
  6108  		v.reset(Op386MOVLconst)
  6109  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6110  		return true
  6111  	}
  6112  	return false
  6113  }
  6114  func rewriteValue386_Op386SARW(v *Value) bool {
  6115  	v_1 := v.Args[1]
  6116  	v_0 := v.Args[0]
  6117  	// match: (SARW x (MOVLconst [c]))
  6118  	// result: (SARWconst [int16(min(int64(c&31),15))] x)
  6119  	for {
  6120  		x := v_0
  6121  		if v_1.Op != Op386MOVLconst {
  6122  			break
  6123  		}
  6124  		c := auxIntToInt32(v_1.AuxInt)
  6125  		v.reset(Op386SARWconst)
  6126  		v.AuxInt = int16ToAuxInt(int16(min(int64(c&31), 15)))
  6127  		v.AddArg(x)
  6128  		return true
  6129  	}
  6130  	return false
  6131  }
  6132  func rewriteValue386_Op386SARWconst(v *Value) bool {
  6133  	v_0 := v.Args[0]
  6134  	// match: (SARWconst x [0])
  6135  	// result: x
  6136  	for {
  6137  		if auxIntToInt16(v.AuxInt) != 0 {
  6138  			break
  6139  		}
  6140  		x := v_0
  6141  		v.copyOf(x)
  6142  		return true
  6143  	}
  6144  	// match: (SARWconst [c] (MOVLconst [d]))
  6145  	// result: (MOVLconst [d>>uint64(c)])
  6146  	for {
  6147  		c := auxIntToInt16(v.AuxInt)
  6148  		if v_0.Op != Op386MOVLconst {
  6149  			break
  6150  		}
  6151  		d := auxIntToInt32(v_0.AuxInt)
  6152  		v.reset(Op386MOVLconst)
  6153  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6154  		return true
  6155  	}
  6156  	return false
  6157  }
  6158  func rewriteValue386_Op386SBBL(v *Value) bool {
  6159  	v_2 := v.Args[2]
  6160  	v_1 := v.Args[1]
  6161  	v_0 := v.Args[0]
  6162  	// match: (SBBL x (MOVLconst [c]) f)
  6163  	// result: (SBBLconst [c] x f)
  6164  	for {
  6165  		x := v_0
  6166  		if v_1.Op != Op386MOVLconst {
  6167  			break
  6168  		}
  6169  		c := auxIntToInt32(v_1.AuxInt)
  6170  		f := v_2
  6171  		v.reset(Op386SBBLconst)
  6172  		v.AuxInt = int32ToAuxInt(c)
  6173  		v.AddArg2(x, f)
  6174  		return true
  6175  	}
  6176  	return false
  6177  }
  6178  func rewriteValue386_Op386SBBLcarrymask(v *Value) bool {
  6179  	v_0 := v.Args[0]
  6180  	// match: (SBBLcarrymask (FlagEQ))
  6181  	// result: (MOVLconst [0])
  6182  	for {
  6183  		if v_0.Op != Op386FlagEQ {
  6184  			break
  6185  		}
  6186  		v.reset(Op386MOVLconst)
  6187  		v.AuxInt = int32ToAuxInt(0)
  6188  		return true
  6189  	}
  6190  	// match: (SBBLcarrymask (FlagLT_ULT))
  6191  	// result: (MOVLconst [-1])
  6192  	for {
  6193  		if v_0.Op != Op386FlagLT_ULT {
  6194  			break
  6195  		}
  6196  		v.reset(Op386MOVLconst)
  6197  		v.AuxInt = int32ToAuxInt(-1)
  6198  		return true
  6199  	}
  6200  	// match: (SBBLcarrymask (FlagLT_UGT))
  6201  	// result: (MOVLconst [0])
  6202  	for {
  6203  		if v_0.Op != Op386FlagLT_UGT {
  6204  			break
  6205  		}
  6206  		v.reset(Op386MOVLconst)
  6207  		v.AuxInt = int32ToAuxInt(0)
  6208  		return true
  6209  	}
  6210  	// match: (SBBLcarrymask (FlagGT_ULT))
  6211  	// result: (MOVLconst [-1])
  6212  	for {
  6213  		if v_0.Op != Op386FlagGT_ULT {
  6214  			break
  6215  		}
  6216  		v.reset(Op386MOVLconst)
  6217  		v.AuxInt = int32ToAuxInt(-1)
  6218  		return true
  6219  	}
  6220  	// match: (SBBLcarrymask (FlagGT_UGT))
  6221  	// result: (MOVLconst [0])
  6222  	for {
  6223  		if v_0.Op != Op386FlagGT_UGT {
  6224  			break
  6225  		}
  6226  		v.reset(Op386MOVLconst)
  6227  		v.AuxInt = int32ToAuxInt(0)
  6228  		return true
  6229  	}
  6230  	return false
  6231  }
  6232  func rewriteValue386_Op386SETA(v *Value) bool {
  6233  	v_0 := v.Args[0]
  6234  	// match: (SETA (InvertFlags x))
  6235  	// result: (SETB x)
  6236  	for {
  6237  		if v_0.Op != Op386InvertFlags {
  6238  			break
  6239  		}
  6240  		x := v_0.Args[0]
  6241  		v.reset(Op386SETB)
  6242  		v.AddArg(x)
  6243  		return true
  6244  	}
  6245  	// match: (SETA (FlagEQ))
  6246  	// result: (MOVLconst [0])
  6247  	for {
  6248  		if v_0.Op != Op386FlagEQ {
  6249  			break
  6250  		}
  6251  		v.reset(Op386MOVLconst)
  6252  		v.AuxInt = int32ToAuxInt(0)
  6253  		return true
  6254  	}
  6255  	// match: (SETA (FlagLT_ULT))
  6256  	// result: (MOVLconst [0])
  6257  	for {
  6258  		if v_0.Op != Op386FlagLT_ULT {
  6259  			break
  6260  		}
  6261  		v.reset(Op386MOVLconst)
  6262  		v.AuxInt = int32ToAuxInt(0)
  6263  		return true
  6264  	}
  6265  	// match: (SETA (FlagLT_UGT))
  6266  	// result: (MOVLconst [1])
  6267  	for {
  6268  		if v_0.Op != Op386FlagLT_UGT {
  6269  			break
  6270  		}
  6271  		v.reset(Op386MOVLconst)
  6272  		v.AuxInt = int32ToAuxInt(1)
  6273  		return true
  6274  	}
  6275  	// match: (SETA (FlagGT_ULT))
  6276  	// result: (MOVLconst [0])
  6277  	for {
  6278  		if v_0.Op != Op386FlagGT_ULT {
  6279  			break
  6280  		}
  6281  		v.reset(Op386MOVLconst)
  6282  		v.AuxInt = int32ToAuxInt(0)
  6283  		return true
  6284  	}
  6285  	// match: (SETA (FlagGT_UGT))
  6286  	// result: (MOVLconst [1])
  6287  	for {
  6288  		if v_0.Op != Op386FlagGT_UGT {
  6289  			break
  6290  		}
  6291  		v.reset(Op386MOVLconst)
  6292  		v.AuxInt = int32ToAuxInt(1)
  6293  		return true
  6294  	}
  6295  	return false
  6296  }
  6297  func rewriteValue386_Op386SETAE(v *Value) bool {
  6298  	v_0 := v.Args[0]
  6299  	// match: (SETAE (InvertFlags x))
  6300  	// result: (SETBE x)
  6301  	for {
  6302  		if v_0.Op != Op386InvertFlags {
  6303  			break
  6304  		}
  6305  		x := v_0.Args[0]
  6306  		v.reset(Op386SETBE)
  6307  		v.AddArg(x)
  6308  		return true
  6309  	}
  6310  	// match: (SETAE (FlagEQ))
  6311  	// result: (MOVLconst [1])
  6312  	for {
  6313  		if v_0.Op != Op386FlagEQ {
  6314  			break
  6315  		}
  6316  		v.reset(Op386MOVLconst)
  6317  		v.AuxInt = int32ToAuxInt(1)
  6318  		return true
  6319  	}
  6320  	// match: (SETAE (FlagLT_ULT))
  6321  	// result: (MOVLconst [0])
  6322  	for {
  6323  		if v_0.Op != Op386FlagLT_ULT {
  6324  			break
  6325  		}
  6326  		v.reset(Op386MOVLconst)
  6327  		v.AuxInt = int32ToAuxInt(0)
  6328  		return true
  6329  	}
  6330  	// match: (SETAE (FlagLT_UGT))
  6331  	// result: (MOVLconst [1])
  6332  	for {
  6333  		if v_0.Op != Op386FlagLT_UGT {
  6334  			break
  6335  		}
  6336  		v.reset(Op386MOVLconst)
  6337  		v.AuxInt = int32ToAuxInt(1)
  6338  		return true
  6339  	}
  6340  	// match: (SETAE (FlagGT_ULT))
  6341  	// result: (MOVLconst [0])
  6342  	for {
  6343  		if v_0.Op != Op386FlagGT_ULT {
  6344  			break
  6345  		}
  6346  		v.reset(Op386MOVLconst)
  6347  		v.AuxInt = int32ToAuxInt(0)
  6348  		return true
  6349  	}
  6350  	// match: (SETAE (FlagGT_UGT))
  6351  	// result: (MOVLconst [1])
  6352  	for {
  6353  		if v_0.Op != Op386FlagGT_UGT {
  6354  			break
  6355  		}
  6356  		v.reset(Op386MOVLconst)
  6357  		v.AuxInt = int32ToAuxInt(1)
  6358  		return true
  6359  	}
  6360  	return false
  6361  }
  6362  func rewriteValue386_Op386SETB(v *Value) bool {
  6363  	v_0 := v.Args[0]
  6364  	// match: (SETB (InvertFlags x))
  6365  	// result: (SETA x)
  6366  	for {
  6367  		if v_0.Op != Op386InvertFlags {
  6368  			break
  6369  		}
  6370  		x := v_0.Args[0]
  6371  		v.reset(Op386SETA)
  6372  		v.AddArg(x)
  6373  		return true
  6374  	}
  6375  	// match: (SETB (FlagEQ))
  6376  	// result: (MOVLconst [0])
  6377  	for {
  6378  		if v_0.Op != Op386FlagEQ {
  6379  			break
  6380  		}
  6381  		v.reset(Op386MOVLconst)
  6382  		v.AuxInt = int32ToAuxInt(0)
  6383  		return true
  6384  	}
  6385  	// match: (SETB (FlagLT_ULT))
  6386  	// result: (MOVLconst [1])
  6387  	for {
  6388  		if v_0.Op != Op386FlagLT_ULT {
  6389  			break
  6390  		}
  6391  		v.reset(Op386MOVLconst)
  6392  		v.AuxInt = int32ToAuxInt(1)
  6393  		return true
  6394  	}
  6395  	// match: (SETB (FlagLT_UGT))
  6396  	// result: (MOVLconst [0])
  6397  	for {
  6398  		if v_0.Op != Op386FlagLT_UGT {
  6399  			break
  6400  		}
  6401  		v.reset(Op386MOVLconst)
  6402  		v.AuxInt = int32ToAuxInt(0)
  6403  		return true
  6404  	}
  6405  	// match: (SETB (FlagGT_ULT))
  6406  	// result: (MOVLconst [1])
  6407  	for {
  6408  		if v_0.Op != Op386FlagGT_ULT {
  6409  			break
  6410  		}
  6411  		v.reset(Op386MOVLconst)
  6412  		v.AuxInt = int32ToAuxInt(1)
  6413  		return true
  6414  	}
  6415  	// match: (SETB (FlagGT_UGT))
  6416  	// result: (MOVLconst [0])
  6417  	for {
  6418  		if v_0.Op != Op386FlagGT_UGT {
  6419  			break
  6420  		}
  6421  		v.reset(Op386MOVLconst)
  6422  		v.AuxInt = int32ToAuxInt(0)
  6423  		return true
  6424  	}
  6425  	return false
  6426  }
  6427  func rewriteValue386_Op386SETBE(v *Value) bool {
  6428  	v_0 := v.Args[0]
  6429  	// match: (SETBE (InvertFlags x))
  6430  	// result: (SETAE x)
  6431  	for {
  6432  		if v_0.Op != Op386InvertFlags {
  6433  			break
  6434  		}
  6435  		x := v_0.Args[0]
  6436  		v.reset(Op386SETAE)
  6437  		v.AddArg(x)
  6438  		return true
  6439  	}
  6440  	// match: (SETBE (FlagEQ))
  6441  	// result: (MOVLconst [1])
  6442  	for {
  6443  		if v_0.Op != Op386FlagEQ {
  6444  			break
  6445  		}
  6446  		v.reset(Op386MOVLconst)
  6447  		v.AuxInt = int32ToAuxInt(1)
  6448  		return true
  6449  	}
  6450  	// match: (SETBE (FlagLT_ULT))
  6451  	// result: (MOVLconst [1])
  6452  	for {
  6453  		if v_0.Op != Op386FlagLT_ULT {
  6454  			break
  6455  		}
  6456  		v.reset(Op386MOVLconst)
  6457  		v.AuxInt = int32ToAuxInt(1)
  6458  		return true
  6459  	}
  6460  	// match: (SETBE (FlagLT_UGT))
  6461  	// result: (MOVLconst [0])
  6462  	for {
  6463  		if v_0.Op != Op386FlagLT_UGT {
  6464  			break
  6465  		}
  6466  		v.reset(Op386MOVLconst)
  6467  		v.AuxInt = int32ToAuxInt(0)
  6468  		return true
  6469  	}
  6470  	// match: (SETBE (FlagGT_ULT))
  6471  	// result: (MOVLconst [1])
  6472  	for {
  6473  		if v_0.Op != Op386FlagGT_ULT {
  6474  			break
  6475  		}
  6476  		v.reset(Op386MOVLconst)
  6477  		v.AuxInt = int32ToAuxInt(1)
  6478  		return true
  6479  	}
  6480  	// match: (SETBE (FlagGT_UGT))
  6481  	// result: (MOVLconst [0])
  6482  	for {
  6483  		if v_0.Op != Op386FlagGT_UGT {
  6484  			break
  6485  		}
  6486  		v.reset(Op386MOVLconst)
  6487  		v.AuxInt = int32ToAuxInt(0)
  6488  		return true
  6489  	}
  6490  	return false
  6491  }
  6492  func rewriteValue386_Op386SETEQ(v *Value) bool {
  6493  	v_0 := v.Args[0]
  6494  	// match: (SETEQ (InvertFlags x))
  6495  	// result: (SETEQ x)
  6496  	for {
  6497  		if v_0.Op != Op386InvertFlags {
  6498  			break
  6499  		}
  6500  		x := v_0.Args[0]
  6501  		v.reset(Op386SETEQ)
  6502  		v.AddArg(x)
  6503  		return true
  6504  	}
  6505  	// match: (SETEQ (FlagEQ))
  6506  	// result: (MOVLconst [1])
  6507  	for {
  6508  		if v_0.Op != Op386FlagEQ {
  6509  			break
  6510  		}
  6511  		v.reset(Op386MOVLconst)
  6512  		v.AuxInt = int32ToAuxInt(1)
  6513  		return true
  6514  	}
  6515  	// match: (SETEQ (FlagLT_ULT))
  6516  	// result: (MOVLconst [0])
  6517  	for {
  6518  		if v_0.Op != Op386FlagLT_ULT {
  6519  			break
  6520  		}
  6521  		v.reset(Op386MOVLconst)
  6522  		v.AuxInt = int32ToAuxInt(0)
  6523  		return true
  6524  	}
  6525  	// match: (SETEQ (FlagLT_UGT))
  6526  	// result: (MOVLconst [0])
  6527  	for {
  6528  		if v_0.Op != Op386FlagLT_UGT {
  6529  			break
  6530  		}
  6531  		v.reset(Op386MOVLconst)
  6532  		v.AuxInt = int32ToAuxInt(0)
  6533  		return true
  6534  	}
  6535  	// match: (SETEQ (FlagGT_ULT))
  6536  	// result: (MOVLconst [0])
  6537  	for {
  6538  		if v_0.Op != Op386FlagGT_ULT {
  6539  			break
  6540  		}
  6541  		v.reset(Op386MOVLconst)
  6542  		v.AuxInt = int32ToAuxInt(0)
  6543  		return true
  6544  	}
  6545  	// match: (SETEQ (FlagGT_UGT))
  6546  	// result: (MOVLconst [0])
  6547  	for {
  6548  		if v_0.Op != Op386FlagGT_UGT {
  6549  			break
  6550  		}
  6551  		v.reset(Op386MOVLconst)
  6552  		v.AuxInt = int32ToAuxInt(0)
  6553  		return true
  6554  	}
  6555  	return false
  6556  }
  6557  func rewriteValue386_Op386SETG(v *Value) bool {
  6558  	v_0 := v.Args[0]
  6559  	// match: (SETG (InvertFlags x))
  6560  	// result: (SETL x)
  6561  	for {
  6562  		if v_0.Op != Op386InvertFlags {
  6563  			break
  6564  		}
  6565  		x := v_0.Args[0]
  6566  		v.reset(Op386SETL)
  6567  		v.AddArg(x)
  6568  		return true
  6569  	}
  6570  	// match: (SETG (FlagEQ))
  6571  	// result: (MOVLconst [0])
  6572  	for {
  6573  		if v_0.Op != Op386FlagEQ {
  6574  			break
  6575  		}
  6576  		v.reset(Op386MOVLconst)
  6577  		v.AuxInt = int32ToAuxInt(0)
  6578  		return true
  6579  	}
  6580  	// match: (SETG (FlagLT_ULT))
  6581  	// result: (MOVLconst [0])
  6582  	for {
  6583  		if v_0.Op != Op386FlagLT_ULT {
  6584  			break
  6585  		}
  6586  		v.reset(Op386MOVLconst)
  6587  		v.AuxInt = int32ToAuxInt(0)
  6588  		return true
  6589  	}
  6590  	// match: (SETG (FlagLT_UGT))
  6591  	// result: (MOVLconst [0])
  6592  	for {
  6593  		if v_0.Op != Op386FlagLT_UGT {
  6594  			break
  6595  		}
  6596  		v.reset(Op386MOVLconst)
  6597  		v.AuxInt = int32ToAuxInt(0)
  6598  		return true
  6599  	}
  6600  	// match: (SETG (FlagGT_ULT))
  6601  	// result: (MOVLconst [1])
  6602  	for {
  6603  		if v_0.Op != Op386FlagGT_ULT {
  6604  			break
  6605  		}
  6606  		v.reset(Op386MOVLconst)
  6607  		v.AuxInt = int32ToAuxInt(1)
  6608  		return true
  6609  	}
  6610  	// match: (SETG (FlagGT_UGT))
  6611  	// result: (MOVLconst [1])
  6612  	for {
  6613  		if v_0.Op != Op386FlagGT_UGT {
  6614  			break
  6615  		}
  6616  		v.reset(Op386MOVLconst)
  6617  		v.AuxInt = int32ToAuxInt(1)
  6618  		return true
  6619  	}
  6620  	return false
  6621  }
  6622  func rewriteValue386_Op386SETGE(v *Value) bool {
  6623  	v_0 := v.Args[0]
  6624  	// match: (SETGE (InvertFlags x))
  6625  	// result: (SETLE x)
  6626  	for {
  6627  		if v_0.Op != Op386InvertFlags {
  6628  			break
  6629  		}
  6630  		x := v_0.Args[0]
  6631  		v.reset(Op386SETLE)
  6632  		v.AddArg(x)
  6633  		return true
  6634  	}
  6635  	// match: (SETGE (FlagEQ))
  6636  	// result: (MOVLconst [1])
  6637  	for {
  6638  		if v_0.Op != Op386FlagEQ {
  6639  			break
  6640  		}
  6641  		v.reset(Op386MOVLconst)
  6642  		v.AuxInt = int32ToAuxInt(1)
  6643  		return true
  6644  	}
  6645  	// match: (SETGE (FlagLT_ULT))
  6646  	// result: (MOVLconst [0])
  6647  	for {
  6648  		if v_0.Op != Op386FlagLT_ULT {
  6649  			break
  6650  		}
  6651  		v.reset(Op386MOVLconst)
  6652  		v.AuxInt = int32ToAuxInt(0)
  6653  		return true
  6654  	}
  6655  	// match: (SETGE (FlagLT_UGT))
  6656  	// result: (MOVLconst [0])
  6657  	for {
  6658  		if v_0.Op != Op386FlagLT_UGT {
  6659  			break
  6660  		}
  6661  		v.reset(Op386MOVLconst)
  6662  		v.AuxInt = int32ToAuxInt(0)
  6663  		return true
  6664  	}
  6665  	// match: (SETGE (FlagGT_ULT))
  6666  	// result: (MOVLconst [1])
  6667  	for {
  6668  		if v_0.Op != Op386FlagGT_ULT {
  6669  			break
  6670  		}
  6671  		v.reset(Op386MOVLconst)
  6672  		v.AuxInt = int32ToAuxInt(1)
  6673  		return true
  6674  	}
  6675  	// match: (SETGE (FlagGT_UGT))
  6676  	// result: (MOVLconst [1])
  6677  	for {
  6678  		if v_0.Op != Op386FlagGT_UGT {
  6679  			break
  6680  		}
  6681  		v.reset(Op386MOVLconst)
  6682  		v.AuxInt = int32ToAuxInt(1)
  6683  		return true
  6684  	}
  6685  	return false
  6686  }
  6687  func rewriteValue386_Op386SETL(v *Value) bool {
  6688  	v_0 := v.Args[0]
  6689  	// match: (SETL (InvertFlags x))
  6690  	// result: (SETG x)
  6691  	for {
  6692  		if v_0.Op != Op386InvertFlags {
  6693  			break
  6694  		}
  6695  		x := v_0.Args[0]
  6696  		v.reset(Op386SETG)
  6697  		v.AddArg(x)
  6698  		return true
  6699  	}
  6700  	// match: (SETL (FlagEQ))
  6701  	// result: (MOVLconst [0])
  6702  	for {
  6703  		if v_0.Op != Op386FlagEQ {
  6704  			break
  6705  		}
  6706  		v.reset(Op386MOVLconst)
  6707  		v.AuxInt = int32ToAuxInt(0)
  6708  		return true
  6709  	}
  6710  	// match: (SETL (FlagLT_ULT))
  6711  	// result: (MOVLconst [1])
  6712  	for {
  6713  		if v_0.Op != Op386FlagLT_ULT {
  6714  			break
  6715  		}
  6716  		v.reset(Op386MOVLconst)
  6717  		v.AuxInt = int32ToAuxInt(1)
  6718  		return true
  6719  	}
  6720  	// match: (SETL (FlagLT_UGT))
  6721  	// result: (MOVLconst [1])
  6722  	for {
  6723  		if v_0.Op != Op386FlagLT_UGT {
  6724  			break
  6725  		}
  6726  		v.reset(Op386MOVLconst)
  6727  		v.AuxInt = int32ToAuxInt(1)
  6728  		return true
  6729  	}
  6730  	// match: (SETL (FlagGT_ULT))
  6731  	// result: (MOVLconst [0])
  6732  	for {
  6733  		if v_0.Op != Op386FlagGT_ULT {
  6734  			break
  6735  		}
  6736  		v.reset(Op386MOVLconst)
  6737  		v.AuxInt = int32ToAuxInt(0)
  6738  		return true
  6739  	}
  6740  	// match: (SETL (FlagGT_UGT))
  6741  	// result: (MOVLconst [0])
  6742  	for {
  6743  		if v_0.Op != Op386FlagGT_UGT {
  6744  			break
  6745  		}
  6746  		v.reset(Op386MOVLconst)
  6747  		v.AuxInt = int32ToAuxInt(0)
  6748  		return true
  6749  	}
  6750  	return false
  6751  }
  6752  func rewriteValue386_Op386SETLE(v *Value) bool {
  6753  	v_0 := v.Args[0]
  6754  	// match: (SETLE (InvertFlags x))
  6755  	// result: (SETGE x)
  6756  	for {
  6757  		if v_0.Op != Op386InvertFlags {
  6758  			break
  6759  		}
  6760  		x := v_0.Args[0]
  6761  		v.reset(Op386SETGE)
  6762  		v.AddArg(x)
  6763  		return true
  6764  	}
  6765  	// match: (SETLE (FlagEQ))
  6766  	// result: (MOVLconst [1])
  6767  	for {
  6768  		if v_0.Op != Op386FlagEQ {
  6769  			break
  6770  		}
  6771  		v.reset(Op386MOVLconst)
  6772  		v.AuxInt = int32ToAuxInt(1)
  6773  		return true
  6774  	}
  6775  	// match: (SETLE (FlagLT_ULT))
  6776  	// result: (MOVLconst [1])
  6777  	for {
  6778  		if v_0.Op != Op386FlagLT_ULT {
  6779  			break
  6780  		}
  6781  		v.reset(Op386MOVLconst)
  6782  		v.AuxInt = int32ToAuxInt(1)
  6783  		return true
  6784  	}
  6785  	// match: (SETLE (FlagLT_UGT))
  6786  	// result: (MOVLconst [1])
  6787  	for {
  6788  		if v_0.Op != Op386FlagLT_UGT {
  6789  			break
  6790  		}
  6791  		v.reset(Op386MOVLconst)
  6792  		v.AuxInt = int32ToAuxInt(1)
  6793  		return true
  6794  	}
  6795  	// match: (SETLE (FlagGT_ULT))
  6796  	// result: (MOVLconst [0])
  6797  	for {
  6798  		if v_0.Op != Op386FlagGT_ULT {
  6799  			break
  6800  		}
  6801  		v.reset(Op386MOVLconst)
  6802  		v.AuxInt = int32ToAuxInt(0)
  6803  		return true
  6804  	}
  6805  	// match: (SETLE (FlagGT_UGT))
  6806  	// result: (MOVLconst [0])
  6807  	for {
  6808  		if v_0.Op != Op386FlagGT_UGT {
  6809  			break
  6810  		}
  6811  		v.reset(Op386MOVLconst)
  6812  		v.AuxInt = int32ToAuxInt(0)
  6813  		return true
  6814  	}
  6815  	return false
  6816  }
  6817  func rewriteValue386_Op386SETNE(v *Value) bool {
  6818  	v_0 := v.Args[0]
  6819  	// match: (SETNE (InvertFlags x))
  6820  	// result: (SETNE x)
  6821  	for {
  6822  		if v_0.Op != Op386InvertFlags {
  6823  			break
  6824  		}
  6825  		x := v_0.Args[0]
  6826  		v.reset(Op386SETNE)
  6827  		v.AddArg(x)
  6828  		return true
  6829  	}
  6830  	// match: (SETNE (FlagEQ))
  6831  	// result: (MOVLconst [0])
  6832  	for {
  6833  		if v_0.Op != Op386FlagEQ {
  6834  			break
  6835  		}
  6836  		v.reset(Op386MOVLconst)
  6837  		v.AuxInt = int32ToAuxInt(0)
  6838  		return true
  6839  	}
  6840  	// match: (SETNE (FlagLT_ULT))
  6841  	// result: (MOVLconst [1])
  6842  	for {
  6843  		if v_0.Op != Op386FlagLT_ULT {
  6844  			break
  6845  		}
  6846  		v.reset(Op386MOVLconst)
  6847  		v.AuxInt = int32ToAuxInt(1)
  6848  		return true
  6849  	}
  6850  	// match: (SETNE (FlagLT_UGT))
  6851  	// result: (MOVLconst [1])
  6852  	for {
  6853  		if v_0.Op != Op386FlagLT_UGT {
  6854  			break
  6855  		}
  6856  		v.reset(Op386MOVLconst)
  6857  		v.AuxInt = int32ToAuxInt(1)
  6858  		return true
  6859  	}
  6860  	// match: (SETNE (FlagGT_ULT))
  6861  	// result: (MOVLconst [1])
  6862  	for {
  6863  		if v_0.Op != Op386FlagGT_ULT {
  6864  			break
  6865  		}
  6866  		v.reset(Op386MOVLconst)
  6867  		v.AuxInt = int32ToAuxInt(1)
  6868  		return true
  6869  	}
  6870  	// match: (SETNE (FlagGT_UGT))
  6871  	// result: (MOVLconst [1])
  6872  	for {
  6873  		if v_0.Op != Op386FlagGT_UGT {
  6874  			break
  6875  		}
  6876  		v.reset(Op386MOVLconst)
  6877  		v.AuxInt = int32ToAuxInt(1)
  6878  		return true
  6879  	}
  6880  	return false
  6881  }
  6882  func rewriteValue386_Op386SHLL(v *Value) bool {
  6883  	v_1 := v.Args[1]
  6884  	v_0 := v.Args[0]
  6885  	// match: (SHLL x (MOVLconst [c]))
  6886  	// result: (SHLLconst [c&31] x)
  6887  	for {
  6888  		x := v_0
  6889  		if v_1.Op != Op386MOVLconst {
  6890  			break
  6891  		}
  6892  		c := auxIntToInt32(v_1.AuxInt)
  6893  		v.reset(Op386SHLLconst)
  6894  		v.AuxInt = int32ToAuxInt(c & 31)
  6895  		v.AddArg(x)
  6896  		return true
  6897  	}
  6898  	// match: (SHLL x (ANDLconst [31] y))
  6899  	// result: (SHLL x y)
  6900  	for {
  6901  		x := v_0
  6902  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6903  			break
  6904  		}
  6905  		y := v_1.Args[0]
  6906  		v.reset(Op386SHLL)
  6907  		v.AddArg2(x, y)
  6908  		return true
  6909  	}
  6910  	return false
  6911  }
  6912  func rewriteValue386_Op386SHLLconst(v *Value) bool {
  6913  	v_0 := v.Args[0]
  6914  	// match: (SHLLconst x [0])
  6915  	// result: x
  6916  	for {
  6917  		if auxIntToInt32(v.AuxInt) != 0 {
  6918  			break
  6919  		}
  6920  		x := v_0
  6921  		v.copyOf(x)
  6922  		return true
  6923  	}
  6924  	return false
  6925  }
  6926  func rewriteValue386_Op386SHRB(v *Value) bool {
  6927  	v_1 := v.Args[1]
  6928  	v_0 := v.Args[0]
  6929  	// match: (SHRB x (MOVLconst [c]))
  6930  	// cond: c&31 < 8
  6931  	// result: (SHRBconst [int8(c&31)] x)
  6932  	for {
  6933  		x := v_0
  6934  		if v_1.Op != Op386MOVLconst {
  6935  			break
  6936  		}
  6937  		c := auxIntToInt32(v_1.AuxInt)
  6938  		if !(c&31 < 8) {
  6939  			break
  6940  		}
  6941  		v.reset(Op386SHRBconst)
  6942  		v.AuxInt = int8ToAuxInt(int8(c & 31))
  6943  		v.AddArg(x)
  6944  		return true
  6945  	}
  6946  	// match: (SHRB _ (MOVLconst [c]))
  6947  	// cond: c&31 >= 8
  6948  	// result: (MOVLconst [0])
  6949  	for {
  6950  		if v_1.Op != Op386MOVLconst {
  6951  			break
  6952  		}
  6953  		c := auxIntToInt32(v_1.AuxInt)
  6954  		if !(c&31 >= 8) {
  6955  			break
  6956  		}
  6957  		v.reset(Op386MOVLconst)
  6958  		v.AuxInt = int32ToAuxInt(0)
  6959  		return true
  6960  	}
  6961  	return false
  6962  }
  6963  func rewriteValue386_Op386SHRBconst(v *Value) bool {
  6964  	v_0 := v.Args[0]
  6965  	// match: (SHRBconst x [0])
  6966  	// result: x
  6967  	for {
  6968  		if auxIntToInt8(v.AuxInt) != 0 {
  6969  			break
  6970  		}
  6971  		x := v_0
  6972  		v.copyOf(x)
  6973  		return true
  6974  	}
  6975  	return false
  6976  }
  6977  func rewriteValue386_Op386SHRL(v *Value) bool {
  6978  	v_1 := v.Args[1]
  6979  	v_0 := v.Args[0]
  6980  	// match: (SHRL x (MOVLconst [c]))
  6981  	// result: (SHRLconst [c&31] x)
  6982  	for {
  6983  		x := v_0
  6984  		if v_1.Op != Op386MOVLconst {
  6985  			break
  6986  		}
  6987  		c := auxIntToInt32(v_1.AuxInt)
  6988  		v.reset(Op386SHRLconst)
  6989  		v.AuxInt = int32ToAuxInt(c & 31)
  6990  		v.AddArg(x)
  6991  		return true
  6992  	}
  6993  	// match: (SHRL x (ANDLconst [31] y))
  6994  	// result: (SHRL x y)
  6995  	for {
  6996  		x := v_0
  6997  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6998  			break
  6999  		}
  7000  		y := v_1.Args[0]
  7001  		v.reset(Op386SHRL)
  7002  		v.AddArg2(x, y)
  7003  		return true
  7004  	}
  7005  	return false
  7006  }
  7007  func rewriteValue386_Op386SHRLconst(v *Value) bool {
  7008  	v_0 := v.Args[0]
  7009  	// match: (SHRLconst x [0])
  7010  	// result: x
  7011  	for {
  7012  		if auxIntToInt32(v.AuxInt) != 0 {
  7013  			break
  7014  		}
  7015  		x := v_0
  7016  		v.copyOf(x)
  7017  		return true
  7018  	}
  7019  	return false
  7020  }
  7021  func rewriteValue386_Op386SHRW(v *Value) bool {
  7022  	v_1 := v.Args[1]
  7023  	v_0 := v.Args[0]
  7024  	// match: (SHRW x (MOVLconst [c]))
  7025  	// cond: c&31 < 16
  7026  	// result: (SHRWconst [int16(c&31)] x)
  7027  	for {
  7028  		x := v_0
  7029  		if v_1.Op != Op386MOVLconst {
  7030  			break
  7031  		}
  7032  		c := auxIntToInt32(v_1.AuxInt)
  7033  		if !(c&31 < 16) {
  7034  			break
  7035  		}
  7036  		v.reset(Op386SHRWconst)
  7037  		v.AuxInt = int16ToAuxInt(int16(c & 31))
  7038  		v.AddArg(x)
  7039  		return true
  7040  	}
  7041  	// match: (SHRW _ (MOVLconst [c]))
  7042  	// cond: c&31 >= 16
  7043  	// result: (MOVLconst [0])
  7044  	for {
  7045  		if v_1.Op != Op386MOVLconst {
  7046  			break
  7047  		}
  7048  		c := auxIntToInt32(v_1.AuxInt)
  7049  		if !(c&31 >= 16) {
  7050  			break
  7051  		}
  7052  		v.reset(Op386MOVLconst)
  7053  		v.AuxInt = int32ToAuxInt(0)
  7054  		return true
  7055  	}
  7056  	return false
  7057  }
  7058  func rewriteValue386_Op386SHRWconst(v *Value) bool {
  7059  	v_0 := v.Args[0]
  7060  	// match: (SHRWconst x [0])
  7061  	// result: x
  7062  	for {
  7063  		if auxIntToInt16(v.AuxInt) != 0 {
  7064  			break
  7065  		}
  7066  		x := v_0
  7067  		v.copyOf(x)
  7068  		return true
  7069  	}
  7070  	return false
  7071  }
  7072  func rewriteValue386_Op386SUBL(v *Value) bool {
  7073  	v_1 := v.Args[1]
  7074  	v_0 := v.Args[0]
  7075  	b := v.Block
  7076  	// match: (SUBL x (MOVLconst [c]))
  7077  	// result: (SUBLconst x [c])
  7078  	for {
  7079  		x := v_0
  7080  		if v_1.Op != Op386MOVLconst {
  7081  			break
  7082  		}
  7083  		c := auxIntToInt32(v_1.AuxInt)
  7084  		v.reset(Op386SUBLconst)
  7085  		v.AuxInt = int32ToAuxInt(c)
  7086  		v.AddArg(x)
  7087  		return true
  7088  	}
  7089  	// match: (SUBL (MOVLconst [c]) x)
  7090  	// result: (NEGL (SUBLconst <v.Type> x [c]))
  7091  	for {
  7092  		if v_0.Op != Op386MOVLconst {
  7093  			break
  7094  		}
  7095  		c := auxIntToInt32(v_0.AuxInt)
  7096  		x := v_1
  7097  		v.reset(Op386NEGL)
  7098  		v0 := b.NewValue0(v.Pos, Op386SUBLconst, v.Type)
  7099  		v0.AuxInt = int32ToAuxInt(c)
  7100  		v0.AddArg(x)
  7101  		v.AddArg(v0)
  7102  		return true
  7103  	}
  7104  	// match: (SUBL x l:(MOVLload [off] {sym} ptr mem))
  7105  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7106  	// result: (SUBLload x [off] {sym} ptr mem)
  7107  	for {
  7108  		x := v_0
  7109  		l := v_1
  7110  		if l.Op != Op386MOVLload {
  7111  			break
  7112  		}
  7113  		off := auxIntToInt32(l.AuxInt)
  7114  		sym := auxToSym(l.Aux)
  7115  		mem := l.Args[1]
  7116  		ptr := l.Args[0]
  7117  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7118  			break
  7119  		}
  7120  		v.reset(Op386SUBLload)
  7121  		v.AuxInt = int32ToAuxInt(off)
  7122  		v.Aux = symToAux(sym)
  7123  		v.AddArg3(x, ptr, mem)
  7124  		return true
  7125  	}
  7126  	// match: (SUBL x x)
  7127  	// result: (MOVLconst [0])
  7128  	for {
  7129  		x := v_0
  7130  		if x != v_1 {
  7131  			break
  7132  		}
  7133  		v.reset(Op386MOVLconst)
  7134  		v.AuxInt = int32ToAuxInt(0)
  7135  		return true
  7136  	}
  7137  	return false
  7138  }
  7139  func rewriteValue386_Op386SUBLcarry(v *Value) bool {
  7140  	v_1 := v.Args[1]
  7141  	v_0 := v.Args[0]
  7142  	// match: (SUBLcarry x (MOVLconst [c]))
  7143  	// result: (SUBLconstcarry [c] x)
  7144  	for {
  7145  		x := v_0
  7146  		if v_1.Op != Op386MOVLconst {
  7147  			break
  7148  		}
  7149  		c := auxIntToInt32(v_1.AuxInt)
  7150  		v.reset(Op386SUBLconstcarry)
  7151  		v.AuxInt = int32ToAuxInt(c)
  7152  		v.AddArg(x)
  7153  		return true
  7154  	}
  7155  	return false
  7156  }
  7157  func rewriteValue386_Op386SUBLconst(v *Value) bool {
  7158  	v_0 := v.Args[0]
  7159  	// match: (SUBLconst [c] x)
  7160  	// cond: c==0
  7161  	// result: x
  7162  	for {
  7163  		c := auxIntToInt32(v.AuxInt)
  7164  		x := v_0
  7165  		if !(c == 0) {
  7166  			break
  7167  		}
  7168  		v.copyOf(x)
  7169  		return true
  7170  	}
  7171  	// match: (SUBLconst [c] x)
  7172  	// result: (ADDLconst [-c] x)
  7173  	for {
  7174  		c := auxIntToInt32(v.AuxInt)
  7175  		x := v_0
  7176  		v.reset(Op386ADDLconst)
  7177  		v.AuxInt = int32ToAuxInt(-c)
  7178  		v.AddArg(x)
  7179  		return true
  7180  	}
  7181  }
  7182  func rewriteValue386_Op386SUBLload(v *Value) bool {
  7183  	v_2 := v.Args[2]
  7184  	v_1 := v.Args[1]
  7185  	v_0 := v.Args[0]
  7186  	b := v.Block
  7187  	config := b.Func.Config
  7188  	// match: (SUBLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7189  	// cond: is32Bit(int64(off1)+int64(off2))
  7190  	// result: (SUBLload [off1+off2] {sym} val base mem)
  7191  	for {
  7192  		off1 := auxIntToInt32(v.AuxInt)
  7193  		sym := auxToSym(v.Aux)
  7194  		val := v_0
  7195  		if v_1.Op != Op386ADDLconst {
  7196  			break
  7197  		}
  7198  		off2 := auxIntToInt32(v_1.AuxInt)
  7199  		base := v_1.Args[0]
  7200  		mem := v_2
  7201  		if !(is32Bit(int64(off1) + int64(off2))) {
  7202  			break
  7203  		}
  7204  		v.reset(Op386SUBLload)
  7205  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7206  		v.Aux = symToAux(sym)
  7207  		v.AddArg3(val, base, mem)
  7208  		return true
  7209  	}
  7210  	// match: (SUBLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7211  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7212  	// result: (SUBLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7213  	for {
  7214  		off1 := auxIntToInt32(v.AuxInt)
  7215  		sym1 := auxToSym(v.Aux)
  7216  		val := v_0
  7217  		if v_1.Op != Op386LEAL {
  7218  			break
  7219  		}
  7220  		off2 := auxIntToInt32(v_1.AuxInt)
  7221  		sym2 := auxToSym(v_1.Aux)
  7222  		base := v_1.Args[0]
  7223  		mem := v_2
  7224  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7225  			break
  7226  		}
  7227  		v.reset(Op386SUBLload)
  7228  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7229  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7230  		v.AddArg3(val, base, mem)
  7231  		return true
  7232  	}
  7233  	return false
  7234  }
  7235  func rewriteValue386_Op386SUBLmodify(v *Value) bool {
  7236  	v_2 := v.Args[2]
  7237  	v_1 := v.Args[1]
  7238  	v_0 := v.Args[0]
  7239  	b := v.Block
  7240  	config := b.Func.Config
  7241  	// match: (SUBLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7242  	// cond: is32Bit(int64(off1)+int64(off2))
  7243  	// result: (SUBLmodify [off1+off2] {sym} base val mem)
  7244  	for {
  7245  		off1 := auxIntToInt32(v.AuxInt)
  7246  		sym := auxToSym(v.Aux)
  7247  		if v_0.Op != Op386ADDLconst {
  7248  			break
  7249  		}
  7250  		off2 := auxIntToInt32(v_0.AuxInt)
  7251  		base := v_0.Args[0]
  7252  		val := v_1
  7253  		mem := v_2
  7254  		if !(is32Bit(int64(off1) + int64(off2))) {
  7255  			break
  7256  		}
  7257  		v.reset(Op386SUBLmodify)
  7258  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7259  		v.Aux = symToAux(sym)
  7260  		v.AddArg3(base, val, mem)
  7261  		return true
  7262  	}
  7263  	// match: (SUBLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  7264  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7265  	// result: (SUBLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7266  	for {
  7267  		off1 := auxIntToInt32(v.AuxInt)
  7268  		sym1 := auxToSym(v.Aux)
  7269  		if v_0.Op != Op386LEAL {
  7270  			break
  7271  		}
  7272  		off2 := auxIntToInt32(v_0.AuxInt)
  7273  		sym2 := auxToSym(v_0.Aux)
  7274  		base := v_0.Args[0]
  7275  		val := v_1
  7276  		mem := v_2
  7277  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7278  			break
  7279  		}
  7280  		v.reset(Op386SUBLmodify)
  7281  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7282  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7283  		v.AddArg3(base, val, mem)
  7284  		return true
  7285  	}
  7286  	return false
  7287  }
  7288  func rewriteValue386_Op386SUBSD(v *Value) bool {
  7289  	v_1 := v.Args[1]
  7290  	v_0 := v.Args[0]
  7291  	// match: (SUBSD x l:(MOVSDload [off] {sym} ptr mem))
  7292  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7293  	// result: (SUBSDload x [off] {sym} ptr mem)
  7294  	for {
  7295  		x := v_0
  7296  		l := v_1
  7297  		if l.Op != Op386MOVSDload {
  7298  			break
  7299  		}
  7300  		off := auxIntToInt32(l.AuxInt)
  7301  		sym := auxToSym(l.Aux)
  7302  		mem := l.Args[1]
  7303  		ptr := l.Args[0]
  7304  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7305  			break
  7306  		}
  7307  		v.reset(Op386SUBSDload)
  7308  		v.AuxInt = int32ToAuxInt(off)
  7309  		v.Aux = symToAux(sym)
  7310  		v.AddArg3(x, ptr, mem)
  7311  		return true
  7312  	}
  7313  	return false
  7314  }
  7315  func rewriteValue386_Op386SUBSDload(v *Value) bool {
  7316  	v_2 := v.Args[2]
  7317  	v_1 := v.Args[1]
  7318  	v_0 := v.Args[0]
  7319  	b := v.Block
  7320  	config := b.Func.Config
  7321  	// match: (SUBSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  7322  	// cond: is32Bit(int64(off1)+int64(off2))
  7323  	// result: (SUBSDload [off1+off2] {sym} val base mem)
  7324  	for {
  7325  		off1 := auxIntToInt32(v.AuxInt)
  7326  		sym := auxToSym(v.Aux)
  7327  		val := v_0
  7328  		if v_1.Op != Op386ADDLconst {
  7329  			break
  7330  		}
  7331  		off2 := auxIntToInt32(v_1.AuxInt)
  7332  		base := v_1.Args[0]
  7333  		mem := v_2
  7334  		if !(is32Bit(int64(off1) + int64(off2))) {
  7335  			break
  7336  		}
  7337  		v.reset(Op386SUBSDload)
  7338  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7339  		v.Aux = symToAux(sym)
  7340  		v.AddArg3(val, base, mem)
  7341  		return true
  7342  	}
  7343  	// match: (SUBSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7344  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7345  	// result: (SUBSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7346  	for {
  7347  		off1 := auxIntToInt32(v.AuxInt)
  7348  		sym1 := auxToSym(v.Aux)
  7349  		val := v_0
  7350  		if v_1.Op != Op386LEAL {
  7351  			break
  7352  		}
  7353  		off2 := auxIntToInt32(v_1.AuxInt)
  7354  		sym2 := auxToSym(v_1.Aux)
  7355  		base := v_1.Args[0]
  7356  		mem := v_2
  7357  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7358  			break
  7359  		}
  7360  		v.reset(Op386SUBSDload)
  7361  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7362  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7363  		v.AddArg3(val, base, mem)
  7364  		return true
  7365  	}
  7366  	return false
  7367  }
  7368  func rewriteValue386_Op386SUBSS(v *Value) bool {
  7369  	v_1 := v.Args[1]
  7370  	v_0 := v.Args[0]
  7371  	// match: (SUBSS x l:(MOVSSload [off] {sym} ptr mem))
  7372  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7373  	// result: (SUBSSload x [off] {sym} ptr mem)
  7374  	for {
  7375  		x := v_0
  7376  		l := v_1
  7377  		if l.Op != Op386MOVSSload {
  7378  			break
  7379  		}
  7380  		off := auxIntToInt32(l.AuxInt)
  7381  		sym := auxToSym(l.Aux)
  7382  		mem := l.Args[1]
  7383  		ptr := l.Args[0]
  7384  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7385  			break
  7386  		}
  7387  		v.reset(Op386SUBSSload)
  7388  		v.AuxInt = int32ToAuxInt(off)
  7389  		v.Aux = symToAux(sym)
  7390  		v.AddArg3(x, ptr, mem)
  7391  		return true
  7392  	}
  7393  	return false
  7394  }
  7395  func rewriteValue386_Op386SUBSSload(v *Value) bool {
  7396  	v_2 := v.Args[2]
  7397  	v_1 := v.Args[1]
  7398  	v_0 := v.Args[0]
  7399  	b := v.Block
  7400  	config := b.Func.Config
  7401  	// match: (SUBSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  7402  	// cond: is32Bit(int64(off1)+int64(off2))
  7403  	// result: (SUBSSload [off1+off2] {sym} val base mem)
  7404  	for {
  7405  		off1 := auxIntToInt32(v.AuxInt)
  7406  		sym := auxToSym(v.Aux)
  7407  		val := v_0
  7408  		if v_1.Op != Op386ADDLconst {
  7409  			break
  7410  		}
  7411  		off2 := auxIntToInt32(v_1.AuxInt)
  7412  		base := v_1.Args[0]
  7413  		mem := v_2
  7414  		if !(is32Bit(int64(off1) + int64(off2))) {
  7415  			break
  7416  		}
  7417  		v.reset(Op386SUBSSload)
  7418  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7419  		v.Aux = symToAux(sym)
  7420  		v.AddArg3(val, base, mem)
  7421  		return true
  7422  	}
  7423  	// match: (SUBSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7424  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7425  	// result: (SUBSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7426  	for {
  7427  		off1 := auxIntToInt32(v.AuxInt)
  7428  		sym1 := auxToSym(v.Aux)
  7429  		val := v_0
  7430  		if v_1.Op != Op386LEAL {
  7431  			break
  7432  		}
  7433  		off2 := auxIntToInt32(v_1.AuxInt)
  7434  		sym2 := auxToSym(v_1.Aux)
  7435  		base := v_1.Args[0]
  7436  		mem := v_2
  7437  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7438  			break
  7439  		}
  7440  		v.reset(Op386SUBSSload)
  7441  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7442  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7443  		v.AddArg3(val, base, mem)
  7444  		return true
  7445  	}
  7446  	return false
  7447  }
  7448  func rewriteValue386_Op386XORL(v *Value) bool {
  7449  	v_1 := v.Args[1]
  7450  	v_0 := v.Args[0]
  7451  	// match: (XORL x (MOVLconst [c]))
  7452  	// result: (XORLconst [c] x)
  7453  	for {
  7454  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7455  			x := v_0
  7456  			if v_1.Op != Op386MOVLconst {
  7457  				continue
  7458  			}
  7459  			c := auxIntToInt32(v_1.AuxInt)
  7460  			v.reset(Op386XORLconst)
  7461  			v.AuxInt = int32ToAuxInt(c)
  7462  			v.AddArg(x)
  7463  			return true
  7464  		}
  7465  		break
  7466  	}
  7467  	// match: (XORL x l:(MOVLload [off] {sym} ptr mem))
  7468  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7469  	// result: (XORLload x [off] {sym} ptr mem)
  7470  	for {
  7471  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7472  			x := v_0
  7473  			l := v_1
  7474  			if l.Op != Op386MOVLload {
  7475  				continue
  7476  			}
  7477  			off := auxIntToInt32(l.AuxInt)
  7478  			sym := auxToSym(l.Aux)
  7479  			mem := l.Args[1]
  7480  			ptr := l.Args[0]
  7481  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7482  				continue
  7483  			}
  7484  			v.reset(Op386XORLload)
  7485  			v.AuxInt = int32ToAuxInt(off)
  7486  			v.Aux = symToAux(sym)
  7487  			v.AddArg3(x, ptr, mem)
  7488  			return true
  7489  		}
  7490  		break
  7491  	}
  7492  	// match: (XORL x x)
  7493  	// result: (MOVLconst [0])
  7494  	for {
  7495  		x := v_0
  7496  		if x != v_1 {
  7497  			break
  7498  		}
  7499  		v.reset(Op386MOVLconst)
  7500  		v.AuxInt = int32ToAuxInt(0)
  7501  		return true
  7502  	}
  7503  	return false
  7504  }
  7505  func rewriteValue386_Op386XORLconst(v *Value) bool {
  7506  	v_0 := v.Args[0]
  7507  	// match: (XORLconst [c] (XORLconst [d] x))
  7508  	// result: (XORLconst [c ^ d] x)
  7509  	for {
  7510  		c := auxIntToInt32(v.AuxInt)
  7511  		if v_0.Op != Op386XORLconst {
  7512  			break
  7513  		}
  7514  		d := auxIntToInt32(v_0.AuxInt)
  7515  		x := v_0.Args[0]
  7516  		v.reset(Op386XORLconst)
  7517  		v.AuxInt = int32ToAuxInt(c ^ d)
  7518  		v.AddArg(x)
  7519  		return true
  7520  	}
  7521  	// match: (XORLconst [c] x)
  7522  	// cond: c==0
  7523  	// result: x
  7524  	for {
  7525  		c := auxIntToInt32(v.AuxInt)
  7526  		x := v_0
  7527  		if !(c == 0) {
  7528  			break
  7529  		}
  7530  		v.copyOf(x)
  7531  		return true
  7532  	}
  7533  	// match: (XORLconst [c] (MOVLconst [d]))
  7534  	// result: (MOVLconst [c^d])
  7535  	for {
  7536  		c := auxIntToInt32(v.AuxInt)
  7537  		if v_0.Op != Op386MOVLconst {
  7538  			break
  7539  		}
  7540  		d := auxIntToInt32(v_0.AuxInt)
  7541  		v.reset(Op386MOVLconst)
  7542  		v.AuxInt = int32ToAuxInt(c ^ d)
  7543  		return true
  7544  	}
  7545  	return false
  7546  }
  7547  func rewriteValue386_Op386XORLconstmodify(v *Value) bool {
  7548  	v_1 := v.Args[1]
  7549  	v_0 := v.Args[0]
  7550  	b := v.Block
  7551  	config := b.Func.Config
  7552  	// match: (XORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  7553  	// cond: valoff1.canAdd32(off2)
  7554  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  7555  	for {
  7556  		valoff1 := auxIntToValAndOff(v.AuxInt)
  7557  		sym := auxToSym(v.Aux)
  7558  		if v_0.Op != Op386ADDLconst {
  7559  			break
  7560  		}
  7561  		off2 := auxIntToInt32(v_0.AuxInt)
  7562  		base := v_0.Args[0]
  7563  		mem := v_1
  7564  		if !(valoff1.canAdd32(off2)) {
  7565  			break
  7566  		}
  7567  		v.reset(Op386XORLconstmodify)
  7568  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  7569  		v.Aux = symToAux(sym)
  7570  		v.AddArg2(base, mem)
  7571  		return true
  7572  	}
  7573  	// match: (XORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  7574  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7575  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  7576  	for {
  7577  		valoff1 := auxIntToValAndOff(v.AuxInt)
  7578  		sym1 := auxToSym(v.Aux)
  7579  		if v_0.Op != Op386LEAL {
  7580  			break
  7581  		}
  7582  		off2 := auxIntToInt32(v_0.AuxInt)
  7583  		sym2 := auxToSym(v_0.Aux)
  7584  		base := v_0.Args[0]
  7585  		mem := v_1
  7586  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7587  			break
  7588  		}
  7589  		v.reset(Op386XORLconstmodify)
  7590  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  7591  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7592  		v.AddArg2(base, mem)
  7593  		return true
  7594  	}
  7595  	return false
  7596  }
  7597  func rewriteValue386_Op386XORLload(v *Value) bool {
  7598  	v_2 := v.Args[2]
  7599  	v_1 := v.Args[1]
  7600  	v_0 := v.Args[0]
  7601  	b := v.Block
  7602  	config := b.Func.Config
  7603  	// match: (XORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7604  	// cond: is32Bit(int64(off1)+int64(off2))
  7605  	// result: (XORLload [off1+off2] {sym} val base mem)
  7606  	for {
  7607  		off1 := auxIntToInt32(v.AuxInt)
  7608  		sym := auxToSym(v.Aux)
  7609  		val := v_0
  7610  		if v_1.Op != Op386ADDLconst {
  7611  			break
  7612  		}
  7613  		off2 := auxIntToInt32(v_1.AuxInt)
  7614  		base := v_1.Args[0]
  7615  		mem := v_2
  7616  		if !(is32Bit(int64(off1) + int64(off2))) {
  7617  			break
  7618  		}
  7619  		v.reset(Op386XORLload)
  7620  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7621  		v.Aux = symToAux(sym)
  7622  		v.AddArg3(val, base, mem)
  7623  		return true
  7624  	}
  7625  	// match: (XORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7626  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7627  	// result: (XORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7628  	for {
  7629  		off1 := auxIntToInt32(v.AuxInt)
  7630  		sym1 := auxToSym(v.Aux)
  7631  		val := v_0
  7632  		if v_1.Op != Op386LEAL {
  7633  			break
  7634  		}
  7635  		off2 := auxIntToInt32(v_1.AuxInt)
  7636  		sym2 := auxToSym(v_1.Aux)
  7637  		base := v_1.Args[0]
  7638  		mem := v_2
  7639  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7640  			break
  7641  		}
  7642  		v.reset(Op386XORLload)
  7643  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7644  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7645  		v.AddArg3(val, base, mem)
  7646  		return true
  7647  	}
  7648  	return false
  7649  }
  7650  func rewriteValue386_Op386XORLmodify(v *Value) bool {
  7651  	v_2 := v.Args[2]
  7652  	v_1 := v.Args[1]
  7653  	v_0 := v.Args[0]
  7654  	b := v.Block
  7655  	config := b.Func.Config
  7656  	// match: (XORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7657  	// cond: is32Bit(int64(off1)+int64(off2))
  7658  	// result: (XORLmodify [off1+off2] {sym} base val mem)
  7659  	for {
  7660  		off1 := auxIntToInt32(v.AuxInt)
  7661  		sym := auxToSym(v.Aux)
  7662  		if v_0.Op != Op386ADDLconst {
  7663  			break
  7664  		}
  7665  		off2 := auxIntToInt32(v_0.AuxInt)
  7666  		base := v_0.Args[0]
  7667  		val := v_1
  7668  		mem := v_2
  7669  		if !(is32Bit(int64(off1) + int64(off2))) {
  7670  			break
  7671  		}
  7672  		v.reset(Op386XORLmodify)
  7673  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7674  		v.Aux = symToAux(sym)
  7675  		v.AddArg3(base, val, mem)
  7676  		return true
  7677  	}
  7678  	// match: (XORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  7679  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7680  	// result: (XORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7681  	for {
  7682  		off1 := auxIntToInt32(v.AuxInt)
  7683  		sym1 := auxToSym(v.Aux)
  7684  		if v_0.Op != Op386LEAL {
  7685  			break
  7686  		}
  7687  		off2 := auxIntToInt32(v_0.AuxInt)
  7688  		sym2 := auxToSym(v_0.Aux)
  7689  		base := v_0.Args[0]
  7690  		val := v_1
  7691  		mem := v_2
  7692  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7693  			break
  7694  		}
  7695  		v.reset(Op386XORLmodify)
  7696  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7697  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7698  		v.AddArg3(base, val, mem)
  7699  		return true
  7700  	}
  7701  	return false
  7702  }
  7703  func rewriteValue386_OpAddr(v *Value) bool {
  7704  	v_0 := v.Args[0]
  7705  	// match: (Addr {sym} base)
  7706  	// result: (LEAL {sym} base)
  7707  	for {
  7708  		sym := auxToSym(v.Aux)
  7709  		base := v_0
  7710  		v.reset(Op386LEAL)
  7711  		v.Aux = symToAux(sym)
  7712  		v.AddArg(base)
  7713  		return true
  7714  	}
  7715  }
  7716  func rewriteValue386_OpBswap16(v *Value) bool {
  7717  	v_0 := v.Args[0]
  7718  	// match: (Bswap16 x)
  7719  	// result: (ROLWconst [8] x)
  7720  	for {
  7721  		x := v_0
  7722  		v.reset(Op386ROLWconst)
  7723  		v.AuxInt = int16ToAuxInt(8)
  7724  		v.AddArg(x)
  7725  		return true
  7726  	}
  7727  }
  7728  func rewriteValue386_OpConst16(v *Value) bool {
  7729  	// match: (Const16 [c])
  7730  	// result: (MOVLconst [int32(c)])
  7731  	for {
  7732  		c := auxIntToInt16(v.AuxInt)
  7733  		v.reset(Op386MOVLconst)
  7734  		v.AuxInt = int32ToAuxInt(int32(c))
  7735  		return true
  7736  	}
  7737  }
  7738  func rewriteValue386_OpConst8(v *Value) bool {
  7739  	// match: (Const8 [c])
  7740  	// result: (MOVLconst [int32(c)])
  7741  	for {
  7742  		c := auxIntToInt8(v.AuxInt)
  7743  		v.reset(Op386MOVLconst)
  7744  		v.AuxInt = int32ToAuxInt(int32(c))
  7745  		return true
  7746  	}
  7747  }
  7748  func rewriteValue386_OpConstBool(v *Value) bool {
  7749  	// match: (ConstBool [c])
  7750  	// result: (MOVLconst [b2i32(c)])
  7751  	for {
  7752  		c := auxIntToBool(v.AuxInt)
  7753  		v.reset(Op386MOVLconst)
  7754  		v.AuxInt = int32ToAuxInt(b2i32(c))
  7755  		return true
  7756  	}
  7757  }
  7758  func rewriteValue386_OpConstNil(v *Value) bool {
  7759  	// match: (ConstNil)
  7760  	// result: (MOVLconst [0])
  7761  	for {
  7762  		v.reset(Op386MOVLconst)
  7763  		v.AuxInt = int32ToAuxInt(0)
  7764  		return true
  7765  	}
  7766  }
  7767  func rewriteValue386_OpCtz16(v *Value) bool {
  7768  	v_0 := v.Args[0]
  7769  	b := v.Block
  7770  	typ := &b.Func.Config.Types
  7771  	// match: (Ctz16 x)
  7772  	// result: (BSFL (ORLconst <typ.UInt32> [0x10000] x))
  7773  	for {
  7774  		x := v_0
  7775  		v.reset(Op386BSFL)
  7776  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  7777  		v0.AuxInt = int32ToAuxInt(0x10000)
  7778  		v0.AddArg(x)
  7779  		v.AddArg(v0)
  7780  		return true
  7781  	}
  7782  }
  7783  func rewriteValue386_OpCtz8(v *Value) bool {
  7784  	v_0 := v.Args[0]
  7785  	b := v.Block
  7786  	typ := &b.Func.Config.Types
  7787  	// match: (Ctz8 x)
  7788  	// result: (BSFL (ORLconst <typ.UInt32> [0x100] x))
  7789  	for {
  7790  		x := v_0
  7791  		v.reset(Op386BSFL)
  7792  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  7793  		v0.AuxInt = int32ToAuxInt(0x100)
  7794  		v0.AddArg(x)
  7795  		v.AddArg(v0)
  7796  		return true
  7797  	}
  7798  }
  7799  func rewriteValue386_OpDiv8(v *Value) bool {
  7800  	v_1 := v.Args[1]
  7801  	v_0 := v.Args[0]
  7802  	b := v.Block
  7803  	typ := &b.Func.Config.Types
  7804  	// match: (Div8 x y)
  7805  	// result: (DIVW (SignExt8to16 x) (SignExt8to16 y))
  7806  	for {
  7807  		x := v_0
  7808  		y := v_1
  7809  		v.reset(Op386DIVW)
  7810  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  7811  		v0.AddArg(x)
  7812  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  7813  		v1.AddArg(y)
  7814  		v.AddArg2(v0, v1)
  7815  		return true
  7816  	}
  7817  }
  7818  func rewriteValue386_OpDiv8u(v *Value) bool {
  7819  	v_1 := v.Args[1]
  7820  	v_0 := v.Args[0]
  7821  	b := v.Block
  7822  	typ := &b.Func.Config.Types
  7823  	// match: (Div8u x y)
  7824  	// result: (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  7825  	for {
  7826  		x := v_0
  7827  		y := v_1
  7828  		v.reset(Op386DIVWU)
  7829  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  7830  		v0.AddArg(x)
  7831  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  7832  		v1.AddArg(y)
  7833  		v.AddArg2(v0, v1)
  7834  		return true
  7835  	}
  7836  }
  7837  func rewriteValue386_OpEq16(v *Value) bool {
  7838  	v_1 := v.Args[1]
  7839  	v_0 := v.Args[0]
  7840  	b := v.Block
  7841  	// match: (Eq16 x y)
  7842  	// result: (SETEQ (CMPW x y))
  7843  	for {
  7844  		x := v_0
  7845  		y := v_1
  7846  		v.reset(Op386SETEQ)
  7847  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  7848  		v0.AddArg2(x, y)
  7849  		v.AddArg(v0)
  7850  		return true
  7851  	}
  7852  }
  7853  func rewriteValue386_OpEq32(v *Value) bool {
  7854  	v_1 := v.Args[1]
  7855  	v_0 := v.Args[0]
  7856  	b := v.Block
  7857  	// match: (Eq32 x y)
  7858  	// result: (SETEQ (CMPL x y))
  7859  	for {
  7860  		x := v_0
  7861  		y := v_1
  7862  		v.reset(Op386SETEQ)
  7863  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7864  		v0.AddArg2(x, y)
  7865  		v.AddArg(v0)
  7866  		return true
  7867  	}
  7868  }
  7869  func rewriteValue386_OpEq32F(v *Value) bool {
  7870  	v_1 := v.Args[1]
  7871  	v_0 := v.Args[0]
  7872  	b := v.Block
  7873  	// match: (Eq32F x y)
  7874  	// result: (SETEQF (UCOMISS x y))
  7875  	for {
  7876  		x := v_0
  7877  		y := v_1
  7878  		v.reset(Op386SETEQF)
  7879  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  7880  		v0.AddArg2(x, y)
  7881  		v.AddArg(v0)
  7882  		return true
  7883  	}
  7884  }
  7885  func rewriteValue386_OpEq64F(v *Value) bool {
  7886  	v_1 := v.Args[1]
  7887  	v_0 := v.Args[0]
  7888  	b := v.Block
  7889  	// match: (Eq64F x y)
  7890  	// result: (SETEQF (UCOMISD x y))
  7891  	for {
  7892  		x := v_0
  7893  		y := v_1
  7894  		v.reset(Op386SETEQF)
  7895  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  7896  		v0.AddArg2(x, y)
  7897  		v.AddArg(v0)
  7898  		return true
  7899  	}
  7900  }
  7901  func rewriteValue386_OpEq8(v *Value) bool {
  7902  	v_1 := v.Args[1]
  7903  	v_0 := v.Args[0]
  7904  	b := v.Block
  7905  	// match: (Eq8 x y)
  7906  	// result: (SETEQ (CMPB x y))
  7907  	for {
  7908  		x := v_0
  7909  		y := v_1
  7910  		v.reset(Op386SETEQ)
  7911  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  7912  		v0.AddArg2(x, y)
  7913  		v.AddArg(v0)
  7914  		return true
  7915  	}
  7916  }
  7917  func rewriteValue386_OpEqB(v *Value) bool {
  7918  	v_1 := v.Args[1]
  7919  	v_0 := v.Args[0]
  7920  	b := v.Block
  7921  	// match: (EqB x y)
  7922  	// result: (SETEQ (CMPB x y))
  7923  	for {
  7924  		x := v_0
  7925  		y := v_1
  7926  		v.reset(Op386SETEQ)
  7927  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  7928  		v0.AddArg2(x, y)
  7929  		v.AddArg(v0)
  7930  		return true
  7931  	}
  7932  }
  7933  func rewriteValue386_OpEqPtr(v *Value) bool {
  7934  	v_1 := v.Args[1]
  7935  	v_0 := v.Args[0]
  7936  	b := v.Block
  7937  	// match: (EqPtr x y)
  7938  	// result: (SETEQ (CMPL x y))
  7939  	for {
  7940  		x := v_0
  7941  		y := v_1
  7942  		v.reset(Op386SETEQ)
  7943  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7944  		v0.AddArg2(x, y)
  7945  		v.AddArg(v0)
  7946  		return true
  7947  	}
  7948  }
  7949  func rewriteValue386_OpIsInBounds(v *Value) bool {
  7950  	v_1 := v.Args[1]
  7951  	v_0 := v.Args[0]
  7952  	b := v.Block
  7953  	// match: (IsInBounds idx len)
  7954  	// result: (SETB (CMPL idx len))
  7955  	for {
  7956  		idx := v_0
  7957  		len := v_1
  7958  		v.reset(Op386SETB)
  7959  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7960  		v0.AddArg2(idx, len)
  7961  		v.AddArg(v0)
  7962  		return true
  7963  	}
  7964  }
  7965  func rewriteValue386_OpIsNonNil(v *Value) bool {
  7966  	v_0 := v.Args[0]
  7967  	b := v.Block
  7968  	// match: (IsNonNil p)
  7969  	// result: (SETNE (TESTL p p))
  7970  	for {
  7971  		p := v_0
  7972  		v.reset(Op386SETNE)
  7973  		v0 := b.NewValue0(v.Pos, Op386TESTL, types.TypeFlags)
  7974  		v0.AddArg2(p, p)
  7975  		v.AddArg(v0)
  7976  		return true
  7977  	}
  7978  }
  7979  func rewriteValue386_OpIsSliceInBounds(v *Value) bool {
  7980  	v_1 := v.Args[1]
  7981  	v_0 := v.Args[0]
  7982  	b := v.Block
  7983  	// match: (IsSliceInBounds idx len)
  7984  	// result: (SETBE (CMPL idx len))
  7985  	for {
  7986  		idx := v_0
  7987  		len := v_1
  7988  		v.reset(Op386SETBE)
  7989  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7990  		v0.AddArg2(idx, len)
  7991  		v.AddArg(v0)
  7992  		return true
  7993  	}
  7994  }
  7995  func rewriteValue386_OpLeq16(v *Value) bool {
  7996  	v_1 := v.Args[1]
  7997  	v_0 := v.Args[0]
  7998  	b := v.Block
  7999  	// match: (Leq16 x y)
  8000  	// result: (SETLE (CMPW x y))
  8001  	for {
  8002  		x := v_0
  8003  		y := v_1
  8004  		v.reset(Op386SETLE)
  8005  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8006  		v0.AddArg2(x, y)
  8007  		v.AddArg(v0)
  8008  		return true
  8009  	}
  8010  }
  8011  func rewriteValue386_OpLeq16U(v *Value) bool {
  8012  	v_1 := v.Args[1]
  8013  	v_0 := v.Args[0]
  8014  	b := v.Block
  8015  	// match: (Leq16U x y)
  8016  	// result: (SETBE (CMPW x y))
  8017  	for {
  8018  		x := v_0
  8019  		y := v_1
  8020  		v.reset(Op386SETBE)
  8021  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8022  		v0.AddArg2(x, y)
  8023  		v.AddArg(v0)
  8024  		return true
  8025  	}
  8026  }
  8027  func rewriteValue386_OpLeq32(v *Value) bool {
  8028  	v_1 := v.Args[1]
  8029  	v_0 := v.Args[0]
  8030  	b := v.Block
  8031  	// match: (Leq32 x y)
  8032  	// result: (SETLE (CMPL x y))
  8033  	for {
  8034  		x := v_0
  8035  		y := v_1
  8036  		v.reset(Op386SETLE)
  8037  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8038  		v0.AddArg2(x, y)
  8039  		v.AddArg(v0)
  8040  		return true
  8041  	}
  8042  }
  8043  func rewriteValue386_OpLeq32F(v *Value) bool {
  8044  	v_1 := v.Args[1]
  8045  	v_0 := v.Args[0]
  8046  	b := v.Block
  8047  	// match: (Leq32F x y)
  8048  	// result: (SETGEF (UCOMISS y x))
  8049  	for {
  8050  		x := v_0
  8051  		y := v_1
  8052  		v.reset(Op386SETGEF)
  8053  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8054  		v0.AddArg2(y, x)
  8055  		v.AddArg(v0)
  8056  		return true
  8057  	}
  8058  }
  8059  func rewriteValue386_OpLeq32U(v *Value) bool {
  8060  	v_1 := v.Args[1]
  8061  	v_0 := v.Args[0]
  8062  	b := v.Block
  8063  	// match: (Leq32U x y)
  8064  	// result: (SETBE (CMPL x y))
  8065  	for {
  8066  		x := v_0
  8067  		y := v_1
  8068  		v.reset(Op386SETBE)
  8069  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8070  		v0.AddArg2(x, y)
  8071  		v.AddArg(v0)
  8072  		return true
  8073  	}
  8074  }
  8075  func rewriteValue386_OpLeq64F(v *Value) bool {
  8076  	v_1 := v.Args[1]
  8077  	v_0 := v.Args[0]
  8078  	b := v.Block
  8079  	// match: (Leq64F x y)
  8080  	// result: (SETGEF (UCOMISD y x))
  8081  	for {
  8082  		x := v_0
  8083  		y := v_1
  8084  		v.reset(Op386SETGEF)
  8085  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8086  		v0.AddArg2(y, x)
  8087  		v.AddArg(v0)
  8088  		return true
  8089  	}
  8090  }
  8091  func rewriteValue386_OpLeq8(v *Value) bool {
  8092  	v_1 := v.Args[1]
  8093  	v_0 := v.Args[0]
  8094  	b := v.Block
  8095  	// match: (Leq8 x y)
  8096  	// result: (SETLE (CMPB x y))
  8097  	for {
  8098  		x := v_0
  8099  		y := v_1
  8100  		v.reset(Op386SETLE)
  8101  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8102  		v0.AddArg2(x, y)
  8103  		v.AddArg(v0)
  8104  		return true
  8105  	}
  8106  }
  8107  func rewriteValue386_OpLeq8U(v *Value) bool {
  8108  	v_1 := v.Args[1]
  8109  	v_0 := v.Args[0]
  8110  	b := v.Block
  8111  	// match: (Leq8U x y)
  8112  	// result: (SETBE (CMPB x y))
  8113  	for {
  8114  		x := v_0
  8115  		y := v_1
  8116  		v.reset(Op386SETBE)
  8117  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8118  		v0.AddArg2(x, y)
  8119  		v.AddArg(v0)
  8120  		return true
  8121  	}
  8122  }
  8123  func rewriteValue386_OpLess16(v *Value) bool {
  8124  	v_1 := v.Args[1]
  8125  	v_0 := v.Args[0]
  8126  	b := v.Block
  8127  	// match: (Less16 x y)
  8128  	// result: (SETL (CMPW x y))
  8129  	for {
  8130  		x := v_0
  8131  		y := v_1
  8132  		v.reset(Op386SETL)
  8133  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8134  		v0.AddArg2(x, y)
  8135  		v.AddArg(v0)
  8136  		return true
  8137  	}
  8138  }
  8139  func rewriteValue386_OpLess16U(v *Value) bool {
  8140  	v_1 := v.Args[1]
  8141  	v_0 := v.Args[0]
  8142  	b := v.Block
  8143  	// match: (Less16U x y)
  8144  	// result: (SETB (CMPW x y))
  8145  	for {
  8146  		x := v_0
  8147  		y := v_1
  8148  		v.reset(Op386SETB)
  8149  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8150  		v0.AddArg2(x, y)
  8151  		v.AddArg(v0)
  8152  		return true
  8153  	}
  8154  }
  8155  func rewriteValue386_OpLess32(v *Value) bool {
  8156  	v_1 := v.Args[1]
  8157  	v_0 := v.Args[0]
  8158  	b := v.Block
  8159  	// match: (Less32 x y)
  8160  	// result: (SETL (CMPL x y))
  8161  	for {
  8162  		x := v_0
  8163  		y := v_1
  8164  		v.reset(Op386SETL)
  8165  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8166  		v0.AddArg2(x, y)
  8167  		v.AddArg(v0)
  8168  		return true
  8169  	}
  8170  }
  8171  func rewriteValue386_OpLess32F(v *Value) bool {
  8172  	v_1 := v.Args[1]
  8173  	v_0 := v.Args[0]
  8174  	b := v.Block
  8175  	// match: (Less32F x y)
  8176  	// result: (SETGF (UCOMISS y x))
  8177  	for {
  8178  		x := v_0
  8179  		y := v_1
  8180  		v.reset(Op386SETGF)
  8181  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8182  		v0.AddArg2(y, x)
  8183  		v.AddArg(v0)
  8184  		return true
  8185  	}
  8186  }
  8187  func rewriteValue386_OpLess32U(v *Value) bool {
  8188  	v_1 := v.Args[1]
  8189  	v_0 := v.Args[0]
  8190  	b := v.Block
  8191  	// match: (Less32U x y)
  8192  	// result: (SETB (CMPL x y))
  8193  	for {
  8194  		x := v_0
  8195  		y := v_1
  8196  		v.reset(Op386SETB)
  8197  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8198  		v0.AddArg2(x, y)
  8199  		v.AddArg(v0)
  8200  		return true
  8201  	}
  8202  }
  8203  func rewriteValue386_OpLess64F(v *Value) bool {
  8204  	v_1 := v.Args[1]
  8205  	v_0 := v.Args[0]
  8206  	b := v.Block
  8207  	// match: (Less64F x y)
  8208  	// result: (SETGF (UCOMISD y x))
  8209  	for {
  8210  		x := v_0
  8211  		y := v_1
  8212  		v.reset(Op386SETGF)
  8213  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8214  		v0.AddArg2(y, x)
  8215  		v.AddArg(v0)
  8216  		return true
  8217  	}
  8218  }
  8219  func rewriteValue386_OpLess8(v *Value) bool {
  8220  	v_1 := v.Args[1]
  8221  	v_0 := v.Args[0]
  8222  	b := v.Block
  8223  	// match: (Less8 x y)
  8224  	// result: (SETL (CMPB x y))
  8225  	for {
  8226  		x := v_0
  8227  		y := v_1
  8228  		v.reset(Op386SETL)
  8229  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8230  		v0.AddArg2(x, y)
  8231  		v.AddArg(v0)
  8232  		return true
  8233  	}
  8234  }
  8235  func rewriteValue386_OpLess8U(v *Value) bool {
  8236  	v_1 := v.Args[1]
  8237  	v_0 := v.Args[0]
  8238  	b := v.Block
  8239  	// match: (Less8U x y)
  8240  	// result: (SETB (CMPB x y))
  8241  	for {
  8242  		x := v_0
  8243  		y := v_1
  8244  		v.reset(Op386SETB)
  8245  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8246  		v0.AddArg2(x, y)
  8247  		v.AddArg(v0)
  8248  		return true
  8249  	}
  8250  }
  8251  func rewriteValue386_OpLoad(v *Value) bool {
  8252  	v_1 := v.Args[1]
  8253  	v_0 := v.Args[0]
  8254  	// match: (Load <t> ptr mem)
  8255  	// cond: (is32BitInt(t) || isPtr(t))
  8256  	// result: (MOVLload ptr mem)
  8257  	for {
  8258  		t := v.Type
  8259  		ptr := v_0
  8260  		mem := v_1
  8261  		if !(is32BitInt(t) || isPtr(t)) {
  8262  			break
  8263  		}
  8264  		v.reset(Op386MOVLload)
  8265  		v.AddArg2(ptr, mem)
  8266  		return true
  8267  	}
  8268  	// match: (Load <t> ptr mem)
  8269  	// cond: is16BitInt(t)
  8270  	// result: (MOVWload ptr mem)
  8271  	for {
  8272  		t := v.Type
  8273  		ptr := v_0
  8274  		mem := v_1
  8275  		if !(is16BitInt(t)) {
  8276  			break
  8277  		}
  8278  		v.reset(Op386MOVWload)
  8279  		v.AddArg2(ptr, mem)
  8280  		return true
  8281  	}
  8282  	// match: (Load <t> ptr mem)
  8283  	// cond: (t.IsBoolean() || is8BitInt(t))
  8284  	// result: (MOVBload ptr mem)
  8285  	for {
  8286  		t := v.Type
  8287  		ptr := v_0
  8288  		mem := v_1
  8289  		if !(t.IsBoolean() || is8BitInt(t)) {
  8290  			break
  8291  		}
  8292  		v.reset(Op386MOVBload)
  8293  		v.AddArg2(ptr, mem)
  8294  		return true
  8295  	}
  8296  	// match: (Load <t> ptr mem)
  8297  	// cond: is32BitFloat(t)
  8298  	// result: (MOVSSload ptr mem)
  8299  	for {
  8300  		t := v.Type
  8301  		ptr := v_0
  8302  		mem := v_1
  8303  		if !(is32BitFloat(t)) {
  8304  			break
  8305  		}
  8306  		v.reset(Op386MOVSSload)
  8307  		v.AddArg2(ptr, mem)
  8308  		return true
  8309  	}
  8310  	// match: (Load <t> ptr mem)
  8311  	// cond: is64BitFloat(t)
  8312  	// result: (MOVSDload ptr mem)
  8313  	for {
  8314  		t := v.Type
  8315  		ptr := v_0
  8316  		mem := v_1
  8317  		if !(is64BitFloat(t)) {
  8318  			break
  8319  		}
  8320  		v.reset(Op386MOVSDload)
  8321  		v.AddArg2(ptr, mem)
  8322  		return true
  8323  	}
  8324  	return false
  8325  }
  8326  func rewriteValue386_OpLocalAddr(v *Value) bool {
  8327  	v_1 := v.Args[1]
  8328  	v_0 := v.Args[0]
  8329  	b := v.Block
  8330  	typ := &b.Func.Config.Types
  8331  	// match: (LocalAddr <t> {sym} base mem)
  8332  	// cond: t.Elem().HasPointers()
  8333  	// result: (LEAL {sym} (SPanchored base mem))
  8334  	for {
  8335  		t := v.Type
  8336  		sym := auxToSym(v.Aux)
  8337  		base := v_0
  8338  		mem := v_1
  8339  		if !(t.Elem().HasPointers()) {
  8340  			break
  8341  		}
  8342  		v.reset(Op386LEAL)
  8343  		v.Aux = symToAux(sym)
  8344  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
  8345  		v0.AddArg2(base, mem)
  8346  		v.AddArg(v0)
  8347  		return true
  8348  	}
  8349  	// match: (LocalAddr <t> {sym} base _)
  8350  	// cond: !t.Elem().HasPointers()
  8351  	// result: (LEAL {sym} base)
  8352  	for {
  8353  		t := v.Type
  8354  		sym := auxToSym(v.Aux)
  8355  		base := v_0
  8356  		if !(!t.Elem().HasPointers()) {
  8357  			break
  8358  		}
  8359  		v.reset(Op386LEAL)
  8360  		v.Aux = symToAux(sym)
  8361  		v.AddArg(base)
  8362  		return true
  8363  	}
  8364  	return false
  8365  }
  8366  func rewriteValue386_OpLsh16x16(v *Value) bool {
  8367  	v_1 := v.Args[1]
  8368  	v_0 := v.Args[0]
  8369  	b := v.Block
  8370  	// match: (Lsh16x16 <t> x y)
  8371  	// cond: !shiftIsBounded(v)
  8372  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8373  	for {
  8374  		t := v.Type
  8375  		x := v_0
  8376  		y := v_1
  8377  		if !(!shiftIsBounded(v)) {
  8378  			break
  8379  		}
  8380  		v.reset(Op386ANDL)
  8381  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8382  		v0.AddArg2(x, y)
  8383  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8384  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8385  		v2.AuxInt = int16ToAuxInt(32)
  8386  		v2.AddArg(y)
  8387  		v1.AddArg(v2)
  8388  		v.AddArg2(v0, v1)
  8389  		return true
  8390  	}
  8391  	// match: (Lsh16x16 <t> x y)
  8392  	// cond: shiftIsBounded(v)
  8393  	// result: (SHLL <t> x y)
  8394  	for {
  8395  		t := v.Type
  8396  		x := v_0
  8397  		y := v_1
  8398  		if !(shiftIsBounded(v)) {
  8399  			break
  8400  		}
  8401  		v.reset(Op386SHLL)
  8402  		v.Type = t
  8403  		v.AddArg2(x, y)
  8404  		return true
  8405  	}
  8406  	return false
  8407  }
  8408  func rewriteValue386_OpLsh16x32(v *Value) bool {
  8409  	v_1 := v.Args[1]
  8410  	v_0 := v.Args[0]
  8411  	b := v.Block
  8412  	// match: (Lsh16x32 <t> x y)
  8413  	// cond: !shiftIsBounded(v)
  8414  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8415  	for {
  8416  		t := v.Type
  8417  		x := v_0
  8418  		y := v_1
  8419  		if !(!shiftIsBounded(v)) {
  8420  			break
  8421  		}
  8422  		v.reset(Op386ANDL)
  8423  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8424  		v0.AddArg2(x, y)
  8425  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8426  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8427  		v2.AuxInt = int32ToAuxInt(32)
  8428  		v2.AddArg(y)
  8429  		v1.AddArg(v2)
  8430  		v.AddArg2(v0, v1)
  8431  		return true
  8432  	}
  8433  	// match: (Lsh16x32 <t> x y)
  8434  	// cond: shiftIsBounded(v)
  8435  	// result: (SHLL <t> x y)
  8436  	for {
  8437  		t := v.Type
  8438  		x := v_0
  8439  		y := v_1
  8440  		if !(shiftIsBounded(v)) {
  8441  			break
  8442  		}
  8443  		v.reset(Op386SHLL)
  8444  		v.Type = t
  8445  		v.AddArg2(x, y)
  8446  		return true
  8447  	}
  8448  	return false
  8449  }
  8450  func rewriteValue386_OpLsh16x64(v *Value) bool {
  8451  	v_1 := v.Args[1]
  8452  	v_0 := v.Args[0]
  8453  	// match: (Lsh16x64 x (Const64 [c]))
  8454  	// cond: uint64(c) < 16
  8455  	// result: (SHLLconst x [int32(c)])
  8456  	for {
  8457  		x := v_0
  8458  		if v_1.Op != OpConst64 {
  8459  			break
  8460  		}
  8461  		c := auxIntToInt64(v_1.AuxInt)
  8462  		if !(uint64(c) < 16) {
  8463  			break
  8464  		}
  8465  		v.reset(Op386SHLLconst)
  8466  		v.AuxInt = int32ToAuxInt(int32(c))
  8467  		v.AddArg(x)
  8468  		return true
  8469  	}
  8470  	// match: (Lsh16x64 _ (Const64 [c]))
  8471  	// cond: uint64(c) >= 16
  8472  	// result: (Const16 [0])
  8473  	for {
  8474  		if v_1.Op != OpConst64 {
  8475  			break
  8476  		}
  8477  		c := auxIntToInt64(v_1.AuxInt)
  8478  		if !(uint64(c) >= 16) {
  8479  			break
  8480  		}
  8481  		v.reset(OpConst16)
  8482  		v.AuxInt = int16ToAuxInt(0)
  8483  		return true
  8484  	}
  8485  	return false
  8486  }
  8487  func rewriteValue386_OpLsh16x8(v *Value) bool {
  8488  	v_1 := v.Args[1]
  8489  	v_0 := v.Args[0]
  8490  	b := v.Block
  8491  	// match: (Lsh16x8 <t> x y)
  8492  	// cond: !shiftIsBounded(v)
  8493  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8494  	for {
  8495  		t := v.Type
  8496  		x := v_0
  8497  		y := v_1
  8498  		if !(!shiftIsBounded(v)) {
  8499  			break
  8500  		}
  8501  		v.reset(Op386ANDL)
  8502  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8503  		v0.AddArg2(x, y)
  8504  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8505  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8506  		v2.AuxInt = int8ToAuxInt(32)
  8507  		v2.AddArg(y)
  8508  		v1.AddArg(v2)
  8509  		v.AddArg2(v0, v1)
  8510  		return true
  8511  	}
  8512  	// match: (Lsh16x8 <t> x y)
  8513  	// cond: shiftIsBounded(v)
  8514  	// result: (SHLL <t> x y)
  8515  	for {
  8516  		t := v.Type
  8517  		x := v_0
  8518  		y := v_1
  8519  		if !(shiftIsBounded(v)) {
  8520  			break
  8521  		}
  8522  		v.reset(Op386SHLL)
  8523  		v.Type = t
  8524  		v.AddArg2(x, y)
  8525  		return true
  8526  	}
  8527  	return false
  8528  }
  8529  func rewriteValue386_OpLsh32x16(v *Value) bool {
  8530  	v_1 := v.Args[1]
  8531  	v_0 := v.Args[0]
  8532  	b := v.Block
  8533  	// match: (Lsh32x16 <t> x y)
  8534  	// cond: !shiftIsBounded(v)
  8535  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8536  	for {
  8537  		t := v.Type
  8538  		x := v_0
  8539  		y := v_1
  8540  		if !(!shiftIsBounded(v)) {
  8541  			break
  8542  		}
  8543  		v.reset(Op386ANDL)
  8544  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8545  		v0.AddArg2(x, y)
  8546  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8547  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8548  		v2.AuxInt = int16ToAuxInt(32)
  8549  		v2.AddArg(y)
  8550  		v1.AddArg(v2)
  8551  		v.AddArg2(v0, v1)
  8552  		return true
  8553  	}
  8554  	// match: (Lsh32x16 <t> x y)
  8555  	// cond: shiftIsBounded(v)
  8556  	// result: (SHLL <t> x y)
  8557  	for {
  8558  		t := v.Type
  8559  		x := v_0
  8560  		y := v_1
  8561  		if !(shiftIsBounded(v)) {
  8562  			break
  8563  		}
  8564  		v.reset(Op386SHLL)
  8565  		v.Type = t
  8566  		v.AddArg2(x, y)
  8567  		return true
  8568  	}
  8569  	return false
  8570  }
  8571  func rewriteValue386_OpLsh32x32(v *Value) bool {
  8572  	v_1 := v.Args[1]
  8573  	v_0 := v.Args[0]
  8574  	b := v.Block
  8575  	// match: (Lsh32x32 <t> x y)
  8576  	// cond: !shiftIsBounded(v)
  8577  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8578  	for {
  8579  		t := v.Type
  8580  		x := v_0
  8581  		y := v_1
  8582  		if !(!shiftIsBounded(v)) {
  8583  			break
  8584  		}
  8585  		v.reset(Op386ANDL)
  8586  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8587  		v0.AddArg2(x, y)
  8588  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8589  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8590  		v2.AuxInt = int32ToAuxInt(32)
  8591  		v2.AddArg(y)
  8592  		v1.AddArg(v2)
  8593  		v.AddArg2(v0, v1)
  8594  		return true
  8595  	}
  8596  	// match: (Lsh32x32 <t> x y)
  8597  	// cond: shiftIsBounded(v)
  8598  	// result: (SHLL <t> x y)
  8599  	for {
  8600  		t := v.Type
  8601  		x := v_0
  8602  		y := v_1
  8603  		if !(shiftIsBounded(v)) {
  8604  			break
  8605  		}
  8606  		v.reset(Op386SHLL)
  8607  		v.Type = t
  8608  		v.AddArg2(x, y)
  8609  		return true
  8610  	}
  8611  	return false
  8612  }
  8613  func rewriteValue386_OpLsh32x64(v *Value) bool {
  8614  	v_1 := v.Args[1]
  8615  	v_0 := v.Args[0]
  8616  	// match: (Lsh32x64 x (Const64 [c]))
  8617  	// cond: uint64(c) < 32
  8618  	// result: (SHLLconst x [int32(c)])
  8619  	for {
  8620  		x := v_0
  8621  		if v_1.Op != OpConst64 {
  8622  			break
  8623  		}
  8624  		c := auxIntToInt64(v_1.AuxInt)
  8625  		if !(uint64(c) < 32) {
  8626  			break
  8627  		}
  8628  		v.reset(Op386SHLLconst)
  8629  		v.AuxInt = int32ToAuxInt(int32(c))
  8630  		v.AddArg(x)
  8631  		return true
  8632  	}
  8633  	// match: (Lsh32x64 _ (Const64 [c]))
  8634  	// cond: uint64(c) >= 32
  8635  	// result: (Const32 [0])
  8636  	for {
  8637  		if v_1.Op != OpConst64 {
  8638  			break
  8639  		}
  8640  		c := auxIntToInt64(v_1.AuxInt)
  8641  		if !(uint64(c) >= 32) {
  8642  			break
  8643  		}
  8644  		v.reset(OpConst32)
  8645  		v.AuxInt = int32ToAuxInt(0)
  8646  		return true
  8647  	}
  8648  	return false
  8649  }
  8650  func rewriteValue386_OpLsh32x8(v *Value) bool {
  8651  	v_1 := v.Args[1]
  8652  	v_0 := v.Args[0]
  8653  	b := v.Block
  8654  	// match: (Lsh32x8 <t> x y)
  8655  	// cond: !shiftIsBounded(v)
  8656  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8657  	for {
  8658  		t := v.Type
  8659  		x := v_0
  8660  		y := v_1
  8661  		if !(!shiftIsBounded(v)) {
  8662  			break
  8663  		}
  8664  		v.reset(Op386ANDL)
  8665  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8666  		v0.AddArg2(x, y)
  8667  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8668  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8669  		v2.AuxInt = int8ToAuxInt(32)
  8670  		v2.AddArg(y)
  8671  		v1.AddArg(v2)
  8672  		v.AddArg2(v0, v1)
  8673  		return true
  8674  	}
  8675  	// match: (Lsh32x8 <t> x y)
  8676  	// cond: shiftIsBounded(v)
  8677  	// result: (SHLL <t> x y)
  8678  	for {
  8679  		t := v.Type
  8680  		x := v_0
  8681  		y := v_1
  8682  		if !(shiftIsBounded(v)) {
  8683  			break
  8684  		}
  8685  		v.reset(Op386SHLL)
  8686  		v.Type = t
  8687  		v.AddArg2(x, y)
  8688  		return true
  8689  	}
  8690  	return false
  8691  }
  8692  func rewriteValue386_OpLsh8x16(v *Value) bool {
  8693  	v_1 := v.Args[1]
  8694  	v_0 := v.Args[0]
  8695  	b := v.Block
  8696  	// match: (Lsh8x16 <t> x y)
  8697  	// cond: !shiftIsBounded(v)
  8698  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8699  	for {
  8700  		t := v.Type
  8701  		x := v_0
  8702  		y := v_1
  8703  		if !(!shiftIsBounded(v)) {
  8704  			break
  8705  		}
  8706  		v.reset(Op386ANDL)
  8707  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8708  		v0.AddArg2(x, y)
  8709  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8710  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8711  		v2.AuxInt = int16ToAuxInt(32)
  8712  		v2.AddArg(y)
  8713  		v1.AddArg(v2)
  8714  		v.AddArg2(v0, v1)
  8715  		return true
  8716  	}
  8717  	// match: (Lsh8x16 <t> x y)
  8718  	// cond: shiftIsBounded(v)
  8719  	// result: (SHLL <t> x y)
  8720  	for {
  8721  		t := v.Type
  8722  		x := v_0
  8723  		y := v_1
  8724  		if !(shiftIsBounded(v)) {
  8725  			break
  8726  		}
  8727  		v.reset(Op386SHLL)
  8728  		v.Type = t
  8729  		v.AddArg2(x, y)
  8730  		return true
  8731  	}
  8732  	return false
  8733  }
  8734  func rewriteValue386_OpLsh8x32(v *Value) bool {
  8735  	v_1 := v.Args[1]
  8736  	v_0 := v.Args[0]
  8737  	b := v.Block
  8738  	// match: (Lsh8x32 <t> x y)
  8739  	// cond: !shiftIsBounded(v)
  8740  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8741  	for {
  8742  		t := v.Type
  8743  		x := v_0
  8744  		y := v_1
  8745  		if !(!shiftIsBounded(v)) {
  8746  			break
  8747  		}
  8748  		v.reset(Op386ANDL)
  8749  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8750  		v0.AddArg2(x, y)
  8751  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8752  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8753  		v2.AuxInt = int32ToAuxInt(32)
  8754  		v2.AddArg(y)
  8755  		v1.AddArg(v2)
  8756  		v.AddArg2(v0, v1)
  8757  		return true
  8758  	}
  8759  	// match: (Lsh8x32 <t> x y)
  8760  	// cond: shiftIsBounded(v)
  8761  	// result: (SHLL <t> x y)
  8762  	for {
  8763  		t := v.Type
  8764  		x := v_0
  8765  		y := v_1
  8766  		if !(shiftIsBounded(v)) {
  8767  			break
  8768  		}
  8769  		v.reset(Op386SHLL)
  8770  		v.Type = t
  8771  		v.AddArg2(x, y)
  8772  		return true
  8773  	}
  8774  	return false
  8775  }
  8776  func rewriteValue386_OpLsh8x64(v *Value) bool {
  8777  	v_1 := v.Args[1]
  8778  	v_0 := v.Args[0]
  8779  	// match: (Lsh8x64 x (Const64 [c]))
  8780  	// cond: uint64(c) < 8
  8781  	// result: (SHLLconst x [int32(c)])
  8782  	for {
  8783  		x := v_0
  8784  		if v_1.Op != OpConst64 {
  8785  			break
  8786  		}
  8787  		c := auxIntToInt64(v_1.AuxInt)
  8788  		if !(uint64(c) < 8) {
  8789  			break
  8790  		}
  8791  		v.reset(Op386SHLLconst)
  8792  		v.AuxInt = int32ToAuxInt(int32(c))
  8793  		v.AddArg(x)
  8794  		return true
  8795  	}
  8796  	// match: (Lsh8x64 _ (Const64 [c]))
  8797  	// cond: uint64(c) >= 8
  8798  	// result: (Const8 [0])
  8799  	for {
  8800  		if v_1.Op != OpConst64 {
  8801  			break
  8802  		}
  8803  		c := auxIntToInt64(v_1.AuxInt)
  8804  		if !(uint64(c) >= 8) {
  8805  			break
  8806  		}
  8807  		v.reset(OpConst8)
  8808  		v.AuxInt = int8ToAuxInt(0)
  8809  		return true
  8810  	}
  8811  	return false
  8812  }
  8813  func rewriteValue386_OpLsh8x8(v *Value) bool {
  8814  	v_1 := v.Args[1]
  8815  	v_0 := v.Args[0]
  8816  	b := v.Block
  8817  	// match: (Lsh8x8 <t> x y)
  8818  	// cond: !shiftIsBounded(v)
  8819  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8820  	for {
  8821  		t := v.Type
  8822  		x := v_0
  8823  		y := v_1
  8824  		if !(!shiftIsBounded(v)) {
  8825  			break
  8826  		}
  8827  		v.reset(Op386ANDL)
  8828  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8829  		v0.AddArg2(x, y)
  8830  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8831  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8832  		v2.AuxInt = int8ToAuxInt(32)
  8833  		v2.AddArg(y)
  8834  		v1.AddArg(v2)
  8835  		v.AddArg2(v0, v1)
  8836  		return true
  8837  	}
  8838  	// match: (Lsh8x8 <t> x y)
  8839  	// cond: shiftIsBounded(v)
  8840  	// result: (SHLL <t> x y)
  8841  	for {
  8842  		t := v.Type
  8843  		x := v_0
  8844  		y := v_1
  8845  		if !(shiftIsBounded(v)) {
  8846  			break
  8847  		}
  8848  		v.reset(Op386SHLL)
  8849  		v.Type = t
  8850  		v.AddArg2(x, y)
  8851  		return true
  8852  	}
  8853  	return false
  8854  }
  8855  func rewriteValue386_OpMod8(v *Value) bool {
  8856  	v_1 := v.Args[1]
  8857  	v_0 := v.Args[0]
  8858  	b := v.Block
  8859  	typ := &b.Func.Config.Types
  8860  	// match: (Mod8 x y)
  8861  	// result: (MODW (SignExt8to16 x) (SignExt8to16 y))
  8862  	for {
  8863  		x := v_0
  8864  		y := v_1
  8865  		v.reset(Op386MODW)
  8866  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  8867  		v0.AddArg(x)
  8868  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  8869  		v1.AddArg(y)
  8870  		v.AddArg2(v0, v1)
  8871  		return true
  8872  	}
  8873  }
  8874  func rewriteValue386_OpMod8u(v *Value) bool {
  8875  	v_1 := v.Args[1]
  8876  	v_0 := v.Args[0]
  8877  	b := v.Block
  8878  	typ := &b.Func.Config.Types
  8879  	// match: (Mod8u x y)
  8880  	// result: (MODWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  8881  	for {
  8882  		x := v_0
  8883  		y := v_1
  8884  		v.reset(Op386MODWU)
  8885  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8886  		v0.AddArg(x)
  8887  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8888  		v1.AddArg(y)
  8889  		v.AddArg2(v0, v1)
  8890  		return true
  8891  	}
  8892  }
  8893  func rewriteValue386_OpMove(v *Value) bool {
  8894  	v_2 := v.Args[2]
  8895  	v_1 := v.Args[1]
  8896  	v_0 := v.Args[0]
  8897  	b := v.Block
  8898  	config := b.Func.Config
  8899  	typ := &b.Func.Config.Types
  8900  	// match: (Move [0] _ _ mem)
  8901  	// result: mem
  8902  	for {
  8903  		if auxIntToInt64(v.AuxInt) != 0 {
  8904  			break
  8905  		}
  8906  		mem := v_2
  8907  		v.copyOf(mem)
  8908  		return true
  8909  	}
  8910  	// match: (Move [1] dst src mem)
  8911  	// result: (MOVBstore dst (MOVBload src mem) mem)
  8912  	for {
  8913  		if auxIntToInt64(v.AuxInt) != 1 {
  8914  			break
  8915  		}
  8916  		dst := v_0
  8917  		src := v_1
  8918  		mem := v_2
  8919  		v.reset(Op386MOVBstore)
  8920  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  8921  		v0.AddArg2(src, mem)
  8922  		v.AddArg3(dst, v0, mem)
  8923  		return true
  8924  	}
  8925  	// match: (Move [2] dst src mem)
  8926  	// result: (MOVWstore dst (MOVWload src mem) mem)
  8927  	for {
  8928  		if auxIntToInt64(v.AuxInt) != 2 {
  8929  			break
  8930  		}
  8931  		dst := v_0
  8932  		src := v_1
  8933  		mem := v_2
  8934  		v.reset(Op386MOVWstore)
  8935  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  8936  		v0.AddArg2(src, mem)
  8937  		v.AddArg3(dst, v0, mem)
  8938  		return true
  8939  	}
  8940  	// match: (Move [4] dst src mem)
  8941  	// result: (MOVLstore dst (MOVLload src mem) mem)
  8942  	for {
  8943  		if auxIntToInt64(v.AuxInt) != 4 {
  8944  			break
  8945  		}
  8946  		dst := v_0
  8947  		src := v_1
  8948  		mem := v_2
  8949  		v.reset(Op386MOVLstore)
  8950  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  8951  		v0.AddArg2(src, mem)
  8952  		v.AddArg3(dst, v0, mem)
  8953  		return true
  8954  	}
  8955  	// match: (Move [3] dst src mem)
  8956  	// result: (MOVBstore [2] dst (MOVBload [2] src mem) (MOVWstore dst (MOVWload src mem) mem))
  8957  	for {
  8958  		if auxIntToInt64(v.AuxInt) != 3 {
  8959  			break
  8960  		}
  8961  		dst := v_0
  8962  		src := v_1
  8963  		mem := v_2
  8964  		v.reset(Op386MOVBstore)
  8965  		v.AuxInt = int32ToAuxInt(2)
  8966  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  8967  		v0.AuxInt = int32ToAuxInt(2)
  8968  		v0.AddArg2(src, mem)
  8969  		v1 := b.NewValue0(v.Pos, Op386MOVWstore, types.TypeMem)
  8970  		v2 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  8971  		v2.AddArg2(src, mem)
  8972  		v1.AddArg3(dst, v2, mem)
  8973  		v.AddArg3(dst, v0, v1)
  8974  		return true
  8975  	}
  8976  	// match: (Move [5] dst src mem)
  8977  	// result: (MOVBstore [4] dst (MOVBload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  8978  	for {
  8979  		if auxIntToInt64(v.AuxInt) != 5 {
  8980  			break
  8981  		}
  8982  		dst := v_0
  8983  		src := v_1
  8984  		mem := v_2
  8985  		v.reset(Op386MOVBstore)
  8986  		v.AuxInt = int32ToAuxInt(4)
  8987  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  8988  		v0.AuxInt = int32ToAuxInt(4)
  8989  		v0.AddArg2(src, mem)
  8990  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  8991  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  8992  		v2.AddArg2(src, mem)
  8993  		v1.AddArg3(dst, v2, mem)
  8994  		v.AddArg3(dst, v0, v1)
  8995  		return true
  8996  	}
  8997  	// match: (Move [6] dst src mem)
  8998  	// result: (MOVWstore [4] dst (MOVWload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  8999  	for {
  9000  		if auxIntToInt64(v.AuxInt) != 6 {
  9001  			break
  9002  		}
  9003  		dst := v_0
  9004  		src := v_1
  9005  		mem := v_2
  9006  		v.reset(Op386MOVWstore)
  9007  		v.AuxInt = int32ToAuxInt(4)
  9008  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9009  		v0.AuxInt = int32ToAuxInt(4)
  9010  		v0.AddArg2(src, mem)
  9011  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9012  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9013  		v2.AddArg2(src, mem)
  9014  		v1.AddArg3(dst, v2, mem)
  9015  		v.AddArg3(dst, v0, v1)
  9016  		return true
  9017  	}
  9018  	// match: (Move [7] dst src mem)
  9019  	// result: (MOVLstore [3] dst (MOVLload [3] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9020  	for {
  9021  		if auxIntToInt64(v.AuxInt) != 7 {
  9022  			break
  9023  		}
  9024  		dst := v_0
  9025  		src := v_1
  9026  		mem := v_2
  9027  		v.reset(Op386MOVLstore)
  9028  		v.AuxInt = int32ToAuxInt(3)
  9029  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9030  		v0.AuxInt = int32ToAuxInt(3)
  9031  		v0.AddArg2(src, mem)
  9032  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9033  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9034  		v2.AddArg2(src, mem)
  9035  		v1.AddArg3(dst, v2, mem)
  9036  		v.AddArg3(dst, v0, v1)
  9037  		return true
  9038  	}
  9039  	// match: (Move [8] dst src mem)
  9040  	// result: (MOVLstore [4] dst (MOVLload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9041  	for {
  9042  		if auxIntToInt64(v.AuxInt) != 8 {
  9043  			break
  9044  		}
  9045  		dst := v_0
  9046  		src := v_1
  9047  		mem := v_2
  9048  		v.reset(Op386MOVLstore)
  9049  		v.AuxInt = int32ToAuxInt(4)
  9050  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9051  		v0.AuxInt = int32ToAuxInt(4)
  9052  		v0.AddArg2(src, mem)
  9053  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9054  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9055  		v2.AddArg2(src, mem)
  9056  		v1.AddArg3(dst, v2, mem)
  9057  		v.AddArg3(dst, v0, v1)
  9058  		return true
  9059  	}
  9060  	// match: (Move [s] dst src mem)
  9061  	// cond: s > 8 && s%4 != 0
  9062  	// 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))
  9063  	for {
  9064  		s := auxIntToInt64(v.AuxInt)
  9065  		dst := v_0
  9066  		src := v_1
  9067  		mem := v_2
  9068  		if !(s > 8 && s%4 != 0) {
  9069  			break
  9070  		}
  9071  		v.reset(OpMove)
  9072  		v.AuxInt = int64ToAuxInt(s - s%4)
  9073  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, dst.Type)
  9074  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
  9075  		v0.AddArg(dst)
  9076  		v1 := b.NewValue0(v.Pos, Op386ADDLconst, src.Type)
  9077  		v1.AuxInt = int32ToAuxInt(int32(s % 4))
  9078  		v1.AddArg(src)
  9079  		v2 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9080  		v3 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9081  		v3.AddArg2(src, mem)
  9082  		v2.AddArg3(dst, v3, mem)
  9083  		v.AddArg3(v0, v1, v2)
  9084  		return true
  9085  	}
  9086  	// match: (Move [s] dst src mem)
  9087  	// cond: s > 8 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice && logLargeCopy(v, s)
  9088  	// result: (DUFFCOPY [10*(128-s/4)] dst src mem)
  9089  	for {
  9090  		s := auxIntToInt64(v.AuxInt)
  9091  		dst := v_0
  9092  		src := v_1
  9093  		mem := v_2
  9094  		if !(s > 8 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) {
  9095  			break
  9096  		}
  9097  		v.reset(Op386DUFFCOPY)
  9098  		v.AuxInt = int64ToAuxInt(10 * (128 - s/4))
  9099  		v.AddArg3(dst, src, mem)
  9100  		return true
  9101  	}
  9102  	// match: (Move [s] dst src mem)
  9103  	// cond: (s > 4*128 || config.noDuffDevice) && s%4 == 0 && logLargeCopy(v, s)
  9104  	// result: (REPMOVSL dst src (MOVLconst [int32(s/4)]) mem)
  9105  	for {
  9106  		s := auxIntToInt64(v.AuxInt)
  9107  		dst := v_0
  9108  		src := v_1
  9109  		mem := v_2
  9110  		if !((s > 4*128 || config.noDuffDevice) && s%4 == 0 && logLargeCopy(v, s)) {
  9111  			break
  9112  		}
  9113  		v.reset(Op386REPMOVSL)
  9114  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
  9115  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
  9116  		v.AddArg4(dst, src, v0, mem)
  9117  		return true
  9118  	}
  9119  	return false
  9120  }
  9121  func rewriteValue386_OpNeg32F(v *Value) bool {
  9122  	v_0 := v.Args[0]
  9123  	b := v.Block
  9124  	typ := &b.Func.Config.Types
  9125  	// match: (Neg32F x)
  9126  	// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
  9127  	for {
  9128  		x := v_0
  9129  		v.reset(Op386PXOR)
  9130  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst, typ.Float32)
  9131  		v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
  9132  		v.AddArg2(x, v0)
  9133  		return true
  9134  	}
  9135  }
  9136  func rewriteValue386_OpNeg64F(v *Value) bool {
  9137  	v_0 := v.Args[0]
  9138  	b := v.Block
  9139  	typ := &b.Func.Config.Types
  9140  	// match: (Neg64F x)
  9141  	// result: (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))
  9142  	for {
  9143  		x := v_0
  9144  		v.reset(Op386PXOR)
  9145  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst, typ.Float64)
  9146  		v0.AuxInt = float64ToAuxInt(math.Copysign(0, -1))
  9147  		v.AddArg2(x, v0)
  9148  		return true
  9149  	}
  9150  }
  9151  func rewriteValue386_OpNeq16(v *Value) bool {
  9152  	v_1 := v.Args[1]
  9153  	v_0 := v.Args[0]
  9154  	b := v.Block
  9155  	// match: (Neq16 x y)
  9156  	// result: (SETNE (CMPW x y))
  9157  	for {
  9158  		x := v_0
  9159  		y := v_1
  9160  		v.reset(Op386SETNE)
  9161  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  9162  		v0.AddArg2(x, y)
  9163  		v.AddArg(v0)
  9164  		return true
  9165  	}
  9166  }
  9167  func rewriteValue386_OpNeq32(v *Value) bool {
  9168  	v_1 := v.Args[1]
  9169  	v_0 := v.Args[0]
  9170  	b := v.Block
  9171  	// match: (Neq32 x y)
  9172  	// result: (SETNE (CMPL x y))
  9173  	for {
  9174  		x := v_0
  9175  		y := v_1
  9176  		v.reset(Op386SETNE)
  9177  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9178  		v0.AddArg2(x, y)
  9179  		v.AddArg(v0)
  9180  		return true
  9181  	}
  9182  }
  9183  func rewriteValue386_OpNeq32F(v *Value) bool {
  9184  	v_1 := v.Args[1]
  9185  	v_0 := v.Args[0]
  9186  	b := v.Block
  9187  	// match: (Neq32F x y)
  9188  	// result: (SETNEF (UCOMISS x y))
  9189  	for {
  9190  		x := v_0
  9191  		y := v_1
  9192  		v.reset(Op386SETNEF)
  9193  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  9194  		v0.AddArg2(x, y)
  9195  		v.AddArg(v0)
  9196  		return true
  9197  	}
  9198  }
  9199  func rewriteValue386_OpNeq64F(v *Value) bool {
  9200  	v_1 := v.Args[1]
  9201  	v_0 := v.Args[0]
  9202  	b := v.Block
  9203  	// match: (Neq64F x y)
  9204  	// result: (SETNEF (UCOMISD x y))
  9205  	for {
  9206  		x := v_0
  9207  		y := v_1
  9208  		v.reset(Op386SETNEF)
  9209  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  9210  		v0.AddArg2(x, y)
  9211  		v.AddArg(v0)
  9212  		return true
  9213  	}
  9214  }
  9215  func rewriteValue386_OpNeq8(v *Value) bool {
  9216  	v_1 := v.Args[1]
  9217  	v_0 := v.Args[0]
  9218  	b := v.Block
  9219  	// match: (Neq8 x y)
  9220  	// result: (SETNE (CMPB x y))
  9221  	for {
  9222  		x := v_0
  9223  		y := v_1
  9224  		v.reset(Op386SETNE)
  9225  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9226  		v0.AddArg2(x, y)
  9227  		v.AddArg(v0)
  9228  		return true
  9229  	}
  9230  }
  9231  func rewriteValue386_OpNeqB(v *Value) bool {
  9232  	v_1 := v.Args[1]
  9233  	v_0 := v.Args[0]
  9234  	b := v.Block
  9235  	// match: (NeqB x y)
  9236  	// result: (SETNE (CMPB x y))
  9237  	for {
  9238  		x := v_0
  9239  		y := v_1
  9240  		v.reset(Op386SETNE)
  9241  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9242  		v0.AddArg2(x, y)
  9243  		v.AddArg(v0)
  9244  		return true
  9245  	}
  9246  }
  9247  func rewriteValue386_OpNeqPtr(v *Value) bool {
  9248  	v_1 := v.Args[1]
  9249  	v_0 := v.Args[0]
  9250  	b := v.Block
  9251  	// match: (NeqPtr x y)
  9252  	// result: (SETNE (CMPL x y))
  9253  	for {
  9254  		x := v_0
  9255  		y := v_1
  9256  		v.reset(Op386SETNE)
  9257  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9258  		v0.AddArg2(x, y)
  9259  		v.AddArg(v0)
  9260  		return true
  9261  	}
  9262  }
  9263  func rewriteValue386_OpNot(v *Value) bool {
  9264  	v_0 := v.Args[0]
  9265  	// match: (Not x)
  9266  	// result: (XORLconst [1] x)
  9267  	for {
  9268  		x := v_0
  9269  		v.reset(Op386XORLconst)
  9270  		v.AuxInt = int32ToAuxInt(1)
  9271  		v.AddArg(x)
  9272  		return true
  9273  	}
  9274  }
  9275  func rewriteValue386_OpOffPtr(v *Value) bool {
  9276  	v_0 := v.Args[0]
  9277  	// match: (OffPtr [off] ptr)
  9278  	// result: (ADDLconst [int32(off)] ptr)
  9279  	for {
  9280  		off := auxIntToInt64(v.AuxInt)
  9281  		ptr := v_0
  9282  		v.reset(Op386ADDLconst)
  9283  		v.AuxInt = int32ToAuxInt(int32(off))
  9284  		v.AddArg(ptr)
  9285  		return true
  9286  	}
  9287  }
  9288  func rewriteValue386_OpPanicBounds(v *Value) bool {
  9289  	v_2 := v.Args[2]
  9290  	v_1 := v.Args[1]
  9291  	v_0 := v.Args[0]
  9292  	// match: (PanicBounds [kind] x y mem)
  9293  	// cond: boundsABI(kind) == 0
  9294  	// result: (LoweredPanicBoundsA [kind] x y mem)
  9295  	for {
  9296  		kind := auxIntToInt64(v.AuxInt)
  9297  		x := v_0
  9298  		y := v_1
  9299  		mem := v_2
  9300  		if !(boundsABI(kind) == 0) {
  9301  			break
  9302  		}
  9303  		v.reset(Op386LoweredPanicBoundsA)
  9304  		v.AuxInt = int64ToAuxInt(kind)
  9305  		v.AddArg3(x, y, mem)
  9306  		return true
  9307  	}
  9308  	// match: (PanicBounds [kind] x y mem)
  9309  	// cond: boundsABI(kind) == 1
  9310  	// result: (LoweredPanicBoundsB [kind] x y mem)
  9311  	for {
  9312  		kind := auxIntToInt64(v.AuxInt)
  9313  		x := v_0
  9314  		y := v_1
  9315  		mem := v_2
  9316  		if !(boundsABI(kind) == 1) {
  9317  			break
  9318  		}
  9319  		v.reset(Op386LoweredPanicBoundsB)
  9320  		v.AuxInt = int64ToAuxInt(kind)
  9321  		v.AddArg3(x, y, mem)
  9322  		return true
  9323  	}
  9324  	// match: (PanicBounds [kind] x y mem)
  9325  	// cond: boundsABI(kind) == 2
  9326  	// result: (LoweredPanicBoundsC [kind] x y mem)
  9327  	for {
  9328  		kind := auxIntToInt64(v.AuxInt)
  9329  		x := v_0
  9330  		y := v_1
  9331  		mem := v_2
  9332  		if !(boundsABI(kind) == 2) {
  9333  			break
  9334  		}
  9335  		v.reset(Op386LoweredPanicBoundsC)
  9336  		v.AuxInt = int64ToAuxInt(kind)
  9337  		v.AddArg3(x, y, mem)
  9338  		return true
  9339  	}
  9340  	return false
  9341  }
  9342  func rewriteValue386_OpPanicExtend(v *Value) bool {
  9343  	v_3 := v.Args[3]
  9344  	v_2 := v.Args[2]
  9345  	v_1 := v.Args[1]
  9346  	v_0 := v.Args[0]
  9347  	// match: (PanicExtend [kind] hi lo y mem)
  9348  	// cond: boundsABI(kind) == 0
  9349  	// result: (LoweredPanicExtendA [kind] hi lo y mem)
  9350  	for {
  9351  		kind := auxIntToInt64(v.AuxInt)
  9352  		hi := v_0
  9353  		lo := v_1
  9354  		y := v_2
  9355  		mem := v_3
  9356  		if !(boundsABI(kind) == 0) {
  9357  			break
  9358  		}
  9359  		v.reset(Op386LoweredPanicExtendA)
  9360  		v.AuxInt = int64ToAuxInt(kind)
  9361  		v.AddArg4(hi, lo, y, mem)
  9362  		return true
  9363  	}
  9364  	// match: (PanicExtend [kind] hi lo y mem)
  9365  	// cond: boundsABI(kind) == 1
  9366  	// result: (LoweredPanicExtendB [kind] hi lo y mem)
  9367  	for {
  9368  		kind := auxIntToInt64(v.AuxInt)
  9369  		hi := v_0
  9370  		lo := v_1
  9371  		y := v_2
  9372  		mem := v_3
  9373  		if !(boundsABI(kind) == 1) {
  9374  			break
  9375  		}
  9376  		v.reset(Op386LoweredPanicExtendB)
  9377  		v.AuxInt = int64ToAuxInt(kind)
  9378  		v.AddArg4(hi, lo, y, mem)
  9379  		return true
  9380  	}
  9381  	// match: (PanicExtend [kind] hi lo y mem)
  9382  	// cond: boundsABI(kind) == 2
  9383  	// result: (LoweredPanicExtendC [kind] hi lo y mem)
  9384  	for {
  9385  		kind := auxIntToInt64(v.AuxInt)
  9386  		hi := v_0
  9387  		lo := v_1
  9388  		y := v_2
  9389  		mem := v_3
  9390  		if !(boundsABI(kind) == 2) {
  9391  			break
  9392  		}
  9393  		v.reset(Op386LoweredPanicExtendC)
  9394  		v.AuxInt = int64ToAuxInt(kind)
  9395  		v.AddArg4(hi, lo, y, mem)
  9396  		return true
  9397  	}
  9398  	return false
  9399  }
  9400  func rewriteValue386_OpRsh16Ux16(v *Value) bool {
  9401  	v_1 := v.Args[1]
  9402  	v_0 := v.Args[0]
  9403  	b := v.Block
  9404  	// match: (Rsh16Ux16 <t> x y)
  9405  	// cond: !shiftIsBounded(v)
  9406  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPWconst y [16])))
  9407  	for {
  9408  		t := v.Type
  9409  		x := v_0
  9410  		y := v_1
  9411  		if !(!shiftIsBounded(v)) {
  9412  			break
  9413  		}
  9414  		v.reset(Op386ANDL)
  9415  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9416  		v0.AddArg2(x, y)
  9417  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9418  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9419  		v2.AuxInt = int16ToAuxInt(16)
  9420  		v2.AddArg(y)
  9421  		v1.AddArg(v2)
  9422  		v.AddArg2(v0, v1)
  9423  		return true
  9424  	}
  9425  	// match: (Rsh16Ux16 <t> x y)
  9426  	// cond: shiftIsBounded(v)
  9427  	// result: (SHRW <t> x y)
  9428  	for {
  9429  		t := v.Type
  9430  		x := v_0
  9431  		y := v_1
  9432  		if !(shiftIsBounded(v)) {
  9433  			break
  9434  		}
  9435  		v.reset(Op386SHRW)
  9436  		v.Type = t
  9437  		v.AddArg2(x, y)
  9438  		return true
  9439  	}
  9440  	return false
  9441  }
  9442  func rewriteValue386_OpRsh16Ux32(v *Value) bool {
  9443  	v_1 := v.Args[1]
  9444  	v_0 := v.Args[0]
  9445  	b := v.Block
  9446  	// match: (Rsh16Ux32 <t> x y)
  9447  	// cond: !shiftIsBounded(v)
  9448  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPLconst y [16])))
  9449  	for {
  9450  		t := v.Type
  9451  		x := v_0
  9452  		y := v_1
  9453  		if !(!shiftIsBounded(v)) {
  9454  			break
  9455  		}
  9456  		v.reset(Op386ANDL)
  9457  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9458  		v0.AddArg2(x, y)
  9459  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9460  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9461  		v2.AuxInt = int32ToAuxInt(16)
  9462  		v2.AddArg(y)
  9463  		v1.AddArg(v2)
  9464  		v.AddArg2(v0, v1)
  9465  		return true
  9466  	}
  9467  	// match: (Rsh16Ux32 <t> x y)
  9468  	// cond: shiftIsBounded(v)
  9469  	// result: (SHRW <t> x y)
  9470  	for {
  9471  		t := v.Type
  9472  		x := v_0
  9473  		y := v_1
  9474  		if !(shiftIsBounded(v)) {
  9475  			break
  9476  		}
  9477  		v.reset(Op386SHRW)
  9478  		v.Type = t
  9479  		v.AddArg2(x, y)
  9480  		return true
  9481  	}
  9482  	return false
  9483  }
  9484  func rewriteValue386_OpRsh16Ux64(v *Value) bool {
  9485  	v_1 := v.Args[1]
  9486  	v_0 := v.Args[0]
  9487  	// match: (Rsh16Ux64 x (Const64 [c]))
  9488  	// cond: uint64(c) < 16
  9489  	// result: (SHRWconst x [int16(c)])
  9490  	for {
  9491  		x := v_0
  9492  		if v_1.Op != OpConst64 {
  9493  			break
  9494  		}
  9495  		c := auxIntToInt64(v_1.AuxInt)
  9496  		if !(uint64(c) < 16) {
  9497  			break
  9498  		}
  9499  		v.reset(Op386SHRWconst)
  9500  		v.AuxInt = int16ToAuxInt(int16(c))
  9501  		v.AddArg(x)
  9502  		return true
  9503  	}
  9504  	// match: (Rsh16Ux64 _ (Const64 [c]))
  9505  	// cond: uint64(c) >= 16
  9506  	// result: (Const16 [0])
  9507  	for {
  9508  		if v_1.Op != OpConst64 {
  9509  			break
  9510  		}
  9511  		c := auxIntToInt64(v_1.AuxInt)
  9512  		if !(uint64(c) >= 16) {
  9513  			break
  9514  		}
  9515  		v.reset(OpConst16)
  9516  		v.AuxInt = int16ToAuxInt(0)
  9517  		return true
  9518  	}
  9519  	return false
  9520  }
  9521  func rewriteValue386_OpRsh16Ux8(v *Value) bool {
  9522  	v_1 := v.Args[1]
  9523  	v_0 := v.Args[0]
  9524  	b := v.Block
  9525  	// match: (Rsh16Ux8 <t> x y)
  9526  	// cond: !shiftIsBounded(v)
  9527  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPBconst y [16])))
  9528  	for {
  9529  		t := v.Type
  9530  		x := v_0
  9531  		y := v_1
  9532  		if !(!shiftIsBounded(v)) {
  9533  			break
  9534  		}
  9535  		v.reset(Op386ANDL)
  9536  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9537  		v0.AddArg2(x, y)
  9538  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9539  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9540  		v2.AuxInt = int8ToAuxInt(16)
  9541  		v2.AddArg(y)
  9542  		v1.AddArg(v2)
  9543  		v.AddArg2(v0, v1)
  9544  		return true
  9545  	}
  9546  	// match: (Rsh16Ux8 <t> x y)
  9547  	// cond: shiftIsBounded(v)
  9548  	// result: (SHRW <t> x y)
  9549  	for {
  9550  		t := v.Type
  9551  		x := v_0
  9552  		y := v_1
  9553  		if !(shiftIsBounded(v)) {
  9554  			break
  9555  		}
  9556  		v.reset(Op386SHRW)
  9557  		v.Type = t
  9558  		v.AddArg2(x, y)
  9559  		return true
  9560  	}
  9561  	return false
  9562  }
  9563  func rewriteValue386_OpRsh16x16(v *Value) bool {
  9564  	v_1 := v.Args[1]
  9565  	v_0 := v.Args[0]
  9566  	b := v.Block
  9567  	// match: (Rsh16x16 <t> x y)
  9568  	// cond: !shiftIsBounded(v)
  9569  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [16])))))
  9570  	for {
  9571  		t := v.Type
  9572  		x := v_0
  9573  		y := v_1
  9574  		if !(!shiftIsBounded(v)) {
  9575  			break
  9576  		}
  9577  		v.reset(Op386SARW)
  9578  		v.Type = t
  9579  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9580  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9581  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9582  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9583  		v3.AuxInt = int16ToAuxInt(16)
  9584  		v3.AddArg(y)
  9585  		v2.AddArg(v3)
  9586  		v1.AddArg(v2)
  9587  		v0.AddArg2(y, v1)
  9588  		v.AddArg2(x, v0)
  9589  		return true
  9590  	}
  9591  	// match: (Rsh16x16 <t> x y)
  9592  	// cond: shiftIsBounded(v)
  9593  	// result: (SARW x y)
  9594  	for {
  9595  		x := v_0
  9596  		y := v_1
  9597  		if !(shiftIsBounded(v)) {
  9598  			break
  9599  		}
  9600  		v.reset(Op386SARW)
  9601  		v.AddArg2(x, y)
  9602  		return true
  9603  	}
  9604  	return false
  9605  }
  9606  func rewriteValue386_OpRsh16x32(v *Value) bool {
  9607  	v_1 := v.Args[1]
  9608  	v_0 := v.Args[0]
  9609  	b := v.Block
  9610  	// match: (Rsh16x32 <t> x y)
  9611  	// cond: !shiftIsBounded(v)
  9612  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [16])))))
  9613  	for {
  9614  		t := v.Type
  9615  		x := v_0
  9616  		y := v_1
  9617  		if !(!shiftIsBounded(v)) {
  9618  			break
  9619  		}
  9620  		v.reset(Op386SARW)
  9621  		v.Type = t
  9622  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9623  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9624  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9625  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9626  		v3.AuxInt = int32ToAuxInt(16)
  9627  		v3.AddArg(y)
  9628  		v2.AddArg(v3)
  9629  		v1.AddArg(v2)
  9630  		v0.AddArg2(y, v1)
  9631  		v.AddArg2(x, v0)
  9632  		return true
  9633  	}
  9634  	// match: (Rsh16x32 <t> x y)
  9635  	// cond: shiftIsBounded(v)
  9636  	// result: (SARW x y)
  9637  	for {
  9638  		x := v_0
  9639  		y := v_1
  9640  		if !(shiftIsBounded(v)) {
  9641  			break
  9642  		}
  9643  		v.reset(Op386SARW)
  9644  		v.AddArg2(x, y)
  9645  		return true
  9646  	}
  9647  	return false
  9648  }
  9649  func rewriteValue386_OpRsh16x64(v *Value) bool {
  9650  	v_1 := v.Args[1]
  9651  	v_0 := v.Args[0]
  9652  	// match: (Rsh16x64 x (Const64 [c]))
  9653  	// cond: uint64(c) < 16
  9654  	// result: (SARWconst x [int16(c)])
  9655  	for {
  9656  		x := v_0
  9657  		if v_1.Op != OpConst64 {
  9658  			break
  9659  		}
  9660  		c := auxIntToInt64(v_1.AuxInt)
  9661  		if !(uint64(c) < 16) {
  9662  			break
  9663  		}
  9664  		v.reset(Op386SARWconst)
  9665  		v.AuxInt = int16ToAuxInt(int16(c))
  9666  		v.AddArg(x)
  9667  		return true
  9668  	}
  9669  	// match: (Rsh16x64 x (Const64 [c]))
  9670  	// cond: uint64(c) >= 16
  9671  	// result: (SARWconst x [15])
  9672  	for {
  9673  		x := v_0
  9674  		if v_1.Op != OpConst64 {
  9675  			break
  9676  		}
  9677  		c := auxIntToInt64(v_1.AuxInt)
  9678  		if !(uint64(c) >= 16) {
  9679  			break
  9680  		}
  9681  		v.reset(Op386SARWconst)
  9682  		v.AuxInt = int16ToAuxInt(15)
  9683  		v.AddArg(x)
  9684  		return true
  9685  	}
  9686  	return false
  9687  }
  9688  func rewriteValue386_OpRsh16x8(v *Value) bool {
  9689  	v_1 := v.Args[1]
  9690  	v_0 := v.Args[0]
  9691  	b := v.Block
  9692  	// match: (Rsh16x8 <t> x y)
  9693  	// cond: !shiftIsBounded(v)
  9694  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [16])))))
  9695  	for {
  9696  		t := v.Type
  9697  		x := v_0
  9698  		y := v_1
  9699  		if !(!shiftIsBounded(v)) {
  9700  			break
  9701  		}
  9702  		v.reset(Op386SARW)
  9703  		v.Type = t
  9704  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9705  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9706  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9707  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9708  		v3.AuxInt = int8ToAuxInt(16)
  9709  		v3.AddArg(y)
  9710  		v2.AddArg(v3)
  9711  		v1.AddArg(v2)
  9712  		v0.AddArg2(y, v1)
  9713  		v.AddArg2(x, v0)
  9714  		return true
  9715  	}
  9716  	// match: (Rsh16x8 <t> x y)
  9717  	// cond: shiftIsBounded(v)
  9718  	// result: (SARW x y)
  9719  	for {
  9720  		x := v_0
  9721  		y := v_1
  9722  		if !(shiftIsBounded(v)) {
  9723  			break
  9724  		}
  9725  		v.reset(Op386SARW)
  9726  		v.AddArg2(x, y)
  9727  		return true
  9728  	}
  9729  	return false
  9730  }
  9731  func rewriteValue386_OpRsh32Ux16(v *Value) bool {
  9732  	v_1 := v.Args[1]
  9733  	v_0 := v.Args[0]
  9734  	b := v.Block
  9735  	// match: (Rsh32Ux16 <t> x y)
  9736  	// cond: !shiftIsBounded(v)
  9737  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  9738  	for {
  9739  		t := v.Type
  9740  		x := v_0
  9741  		y := v_1
  9742  		if !(!shiftIsBounded(v)) {
  9743  			break
  9744  		}
  9745  		v.reset(Op386ANDL)
  9746  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9747  		v0.AddArg2(x, y)
  9748  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9749  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9750  		v2.AuxInt = int16ToAuxInt(32)
  9751  		v2.AddArg(y)
  9752  		v1.AddArg(v2)
  9753  		v.AddArg2(v0, v1)
  9754  		return true
  9755  	}
  9756  	// match: (Rsh32Ux16 <t> x y)
  9757  	// cond: shiftIsBounded(v)
  9758  	// result: (SHRL <t> x y)
  9759  	for {
  9760  		t := v.Type
  9761  		x := v_0
  9762  		y := v_1
  9763  		if !(shiftIsBounded(v)) {
  9764  			break
  9765  		}
  9766  		v.reset(Op386SHRL)
  9767  		v.Type = t
  9768  		v.AddArg2(x, y)
  9769  		return true
  9770  	}
  9771  	return false
  9772  }
  9773  func rewriteValue386_OpRsh32Ux32(v *Value) bool {
  9774  	v_1 := v.Args[1]
  9775  	v_0 := v.Args[0]
  9776  	b := v.Block
  9777  	// match: (Rsh32Ux32 <t> x y)
  9778  	// cond: !shiftIsBounded(v)
  9779  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  9780  	for {
  9781  		t := v.Type
  9782  		x := v_0
  9783  		y := v_1
  9784  		if !(!shiftIsBounded(v)) {
  9785  			break
  9786  		}
  9787  		v.reset(Op386ANDL)
  9788  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9789  		v0.AddArg2(x, y)
  9790  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9791  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9792  		v2.AuxInt = int32ToAuxInt(32)
  9793  		v2.AddArg(y)
  9794  		v1.AddArg(v2)
  9795  		v.AddArg2(v0, v1)
  9796  		return true
  9797  	}
  9798  	// match: (Rsh32Ux32 <t> x y)
  9799  	// cond: shiftIsBounded(v)
  9800  	// result: (SHRL <t> x y)
  9801  	for {
  9802  		t := v.Type
  9803  		x := v_0
  9804  		y := v_1
  9805  		if !(shiftIsBounded(v)) {
  9806  			break
  9807  		}
  9808  		v.reset(Op386SHRL)
  9809  		v.Type = t
  9810  		v.AddArg2(x, y)
  9811  		return true
  9812  	}
  9813  	return false
  9814  }
  9815  func rewriteValue386_OpRsh32Ux64(v *Value) bool {
  9816  	v_1 := v.Args[1]
  9817  	v_0 := v.Args[0]
  9818  	// match: (Rsh32Ux64 x (Const64 [c]))
  9819  	// cond: uint64(c) < 32
  9820  	// result: (SHRLconst x [int32(c)])
  9821  	for {
  9822  		x := v_0
  9823  		if v_1.Op != OpConst64 {
  9824  			break
  9825  		}
  9826  		c := auxIntToInt64(v_1.AuxInt)
  9827  		if !(uint64(c) < 32) {
  9828  			break
  9829  		}
  9830  		v.reset(Op386SHRLconst)
  9831  		v.AuxInt = int32ToAuxInt(int32(c))
  9832  		v.AddArg(x)
  9833  		return true
  9834  	}
  9835  	// match: (Rsh32Ux64 _ (Const64 [c]))
  9836  	// cond: uint64(c) >= 32
  9837  	// result: (Const32 [0])
  9838  	for {
  9839  		if v_1.Op != OpConst64 {
  9840  			break
  9841  		}
  9842  		c := auxIntToInt64(v_1.AuxInt)
  9843  		if !(uint64(c) >= 32) {
  9844  			break
  9845  		}
  9846  		v.reset(OpConst32)
  9847  		v.AuxInt = int32ToAuxInt(0)
  9848  		return true
  9849  	}
  9850  	return false
  9851  }
  9852  func rewriteValue386_OpRsh32Ux8(v *Value) bool {
  9853  	v_1 := v.Args[1]
  9854  	v_0 := v.Args[0]
  9855  	b := v.Block
  9856  	// match: (Rsh32Ux8 <t> x y)
  9857  	// cond: !shiftIsBounded(v)
  9858  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  9859  	for {
  9860  		t := v.Type
  9861  		x := v_0
  9862  		y := v_1
  9863  		if !(!shiftIsBounded(v)) {
  9864  			break
  9865  		}
  9866  		v.reset(Op386ANDL)
  9867  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9868  		v0.AddArg2(x, y)
  9869  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9870  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9871  		v2.AuxInt = int8ToAuxInt(32)
  9872  		v2.AddArg(y)
  9873  		v1.AddArg(v2)
  9874  		v.AddArg2(v0, v1)
  9875  		return true
  9876  	}
  9877  	// match: (Rsh32Ux8 <t> x y)
  9878  	// cond: shiftIsBounded(v)
  9879  	// result: (SHRL <t> x y)
  9880  	for {
  9881  		t := v.Type
  9882  		x := v_0
  9883  		y := v_1
  9884  		if !(shiftIsBounded(v)) {
  9885  			break
  9886  		}
  9887  		v.reset(Op386SHRL)
  9888  		v.Type = t
  9889  		v.AddArg2(x, y)
  9890  		return true
  9891  	}
  9892  	return false
  9893  }
  9894  func rewriteValue386_OpRsh32x16(v *Value) bool {
  9895  	v_1 := v.Args[1]
  9896  	v_0 := v.Args[0]
  9897  	b := v.Block
  9898  	// match: (Rsh32x16 <t> x y)
  9899  	// cond: !shiftIsBounded(v)
  9900  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [32])))))
  9901  	for {
  9902  		t := v.Type
  9903  		x := v_0
  9904  		y := v_1
  9905  		if !(!shiftIsBounded(v)) {
  9906  			break
  9907  		}
  9908  		v.reset(Op386SARL)
  9909  		v.Type = t
  9910  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9911  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9912  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9913  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9914  		v3.AuxInt = int16ToAuxInt(32)
  9915  		v3.AddArg(y)
  9916  		v2.AddArg(v3)
  9917  		v1.AddArg(v2)
  9918  		v0.AddArg2(y, v1)
  9919  		v.AddArg2(x, v0)
  9920  		return true
  9921  	}
  9922  	// match: (Rsh32x16 <t> x y)
  9923  	// cond: shiftIsBounded(v)
  9924  	// result: (SARL x y)
  9925  	for {
  9926  		x := v_0
  9927  		y := v_1
  9928  		if !(shiftIsBounded(v)) {
  9929  			break
  9930  		}
  9931  		v.reset(Op386SARL)
  9932  		v.AddArg2(x, y)
  9933  		return true
  9934  	}
  9935  	return false
  9936  }
  9937  func rewriteValue386_OpRsh32x32(v *Value) bool {
  9938  	v_1 := v.Args[1]
  9939  	v_0 := v.Args[0]
  9940  	b := v.Block
  9941  	// match: (Rsh32x32 <t> x y)
  9942  	// cond: !shiftIsBounded(v)
  9943  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [32])))))
  9944  	for {
  9945  		t := v.Type
  9946  		x := v_0
  9947  		y := v_1
  9948  		if !(!shiftIsBounded(v)) {
  9949  			break
  9950  		}
  9951  		v.reset(Op386SARL)
  9952  		v.Type = t
  9953  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9954  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9955  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9956  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9957  		v3.AuxInt = int32ToAuxInt(32)
  9958  		v3.AddArg(y)
  9959  		v2.AddArg(v3)
  9960  		v1.AddArg(v2)
  9961  		v0.AddArg2(y, v1)
  9962  		v.AddArg2(x, v0)
  9963  		return true
  9964  	}
  9965  	// match: (Rsh32x32 <t> x y)
  9966  	// cond: shiftIsBounded(v)
  9967  	// result: (SARL x y)
  9968  	for {
  9969  		x := v_0
  9970  		y := v_1
  9971  		if !(shiftIsBounded(v)) {
  9972  			break
  9973  		}
  9974  		v.reset(Op386SARL)
  9975  		v.AddArg2(x, y)
  9976  		return true
  9977  	}
  9978  	return false
  9979  }
  9980  func rewriteValue386_OpRsh32x64(v *Value) bool {
  9981  	v_1 := v.Args[1]
  9982  	v_0 := v.Args[0]
  9983  	// match: (Rsh32x64 x (Const64 [c]))
  9984  	// cond: uint64(c) < 32
  9985  	// result: (SARLconst x [int32(c)])
  9986  	for {
  9987  		x := v_0
  9988  		if v_1.Op != OpConst64 {
  9989  			break
  9990  		}
  9991  		c := auxIntToInt64(v_1.AuxInt)
  9992  		if !(uint64(c) < 32) {
  9993  			break
  9994  		}
  9995  		v.reset(Op386SARLconst)
  9996  		v.AuxInt = int32ToAuxInt(int32(c))
  9997  		v.AddArg(x)
  9998  		return true
  9999  	}
 10000  	// match: (Rsh32x64 x (Const64 [c]))
 10001  	// cond: uint64(c) >= 32
 10002  	// result: (SARLconst x [31])
 10003  	for {
 10004  		x := v_0
 10005  		if v_1.Op != OpConst64 {
 10006  			break
 10007  		}
 10008  		c := auxIntToInt64(v_1.AuxInt)
 10009  		if !(uint64(c) >= 32) {
 10010  			break
 10011  		}
 10012  		v.reset(Op386SARLconst)
 10013  		v.AuxInt = int32ToAuxInt(31)
 10014  		v.AddArg(x)
 10015  		return true
 10016  	}
 10017  	return false
 10018  }
 10019  func rewriteValue386_OpRsh32x8(v *Value) bool {
 10020  	v_1 := v.Args[1]
 10021  	v_0 := v.Args[0]
 10022  	b := v.Block
 10023  	// match: (Rsh32x8 <t> x y)
 10024  	// cond: !shiftIsBounded(v)
 10025  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [32])))))
 10026  	for {
 10027  		t := v.Type
 10028  		x := v_0
 10029  		y := v_1
 10030  		if !(!shiftIsBounded(v)) {
 10031  			break
 10032  		}
 10033  		v.reset(Op386SARL)
 10034  		v.Type = t
 10035  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10036  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10037  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10038  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10039  		v3.AuxInt = int8ToAuxInt(32)
 10040  		v3.AddArg(y)
 10041  		v2.AddArg(v3)
 10042  		v1.AddArg(v2)
 10043  		v0.AddArg2(y, v1)
 10044  		v.AddArg2(x, v0)
 10045  		return true
 10046  	}
 10047  	// match: (Rsh32x8 <t> x y)
 10048  	// cond: shiftIsBounded(v)
 10049  	// result: (SARL x y)
 10050  	for {
 10051  		x := v_0
 10052  		y := v_1
 10053  		if !(shiftIsBounded(v)) {
 10054  			break
 10055  		}
 10056  		v.reset(Op386SARL)
 10057  		v.AddArg2(x, y)
 10058  		return true
 10059  	}
 10060  	return false
 10061  }
 10062  func rewriteValue386_OpRsh8Ux16(v *Value) bool {
 10063  	v_1 := v.Args[1]
 10064  	v_0 := v.Args[0]
 10065  	b := v.Block
 10066  	// match: (Rsh8Ux16 <t> x y)
 10067  	// cond: !shiftIsBounded(v)
 10068  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPWconst y [8])))
 10069  	for {
 10070  		t := v.Type
 10071  		x := v_0
 10072  		y := v_1
 10073  		if !(!shiftIsBounded(v)) {
 10074  			break
 10075  		}
 10076  		v.reset(Op386ANDL)
 10077  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10078  		v0.AddArg2(x, y)
 10079  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10080  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10081  		v2.AuxInt = int16ToAuxInt(8)
 10082  		v2.AddArg(y)
 10083  		v1.AddArg(v2)
 10084  		v.AddArg2(v0, v1)
 10085  		return true
 10086  	}
 10087  	// match: (Rsh8Ux16 <t> x y)
 10088  	// cond: shiftIsBounded(v)
 10089  	// result: (SHRB <t> x y)
 10090  	for {
 10091  		t := v.Type
 10092  		x := v_0
 10093  		y := v_1
 10094  		if !(shiftIsBounded(v)) {
 10095  			break
 10096  		}
 10097  		v.reset(Op386SHRB)
 10098  		v.Type = t
 10099  		v.AddArg2(x, y)
 10100  		return true
 10101  	}
 10102  	return false
 10103  }
 10104  func rewriteValue386_OpRsh8Ux32(v *Value) bool {
 10105  	v_1 := v.Args[1]
 10106  	v_0 := v.Args[0]
 10107  	b := v.Block
 10108  	// match: (Rsh8Ux32 <t> x y)
 10109  	// cond: !shiftIsBounded(v)
 10110  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPLconst y [8])))
 10111  	for {
 10112  		t := v.Type
 10113  		x := v_0
 10114  		y := v_1
 10115  		if !(!shiftIsBounded(v)) {
 10116  			break
 10117  		}
 10118  		v.reset(Op386ANDL)
 10119  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10120  		v0.AddArg2(x, y)
 10121  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10122  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10123  		v2.AuxInt = int32ToAuxInt(8)
 10124  		v2.AddArg(y)
 10125  		v1.AddArg(v2)
 10126  		v.AddArg2(v0, v1)
 10127  		return true
 10128  	}
 10129  	// match: (Rsh8Ux32 <t> x y)
 10130  	// cond: shiftIsBounded(v)
 10131  	// result: (SHRB <t> x y)
 10132  	for {
 10133  		t := v.Type
 10134  		x := v_0
 10135  		y := v_1
 10136  		if !(shiftIsBounded(v)) {
 10137  			break
 10138  		}
 10139  		v.reset(Op386SHRB)
 10140  		v.Type = t
 10141  		v.AddArg2(x, y)
 10142  		return true
 10143  	}
 10144  	return false
 10145  }
 10146  func rewriteValue386_OpRsh8Ux64(v *Value) bool {
 10147  	v_1 := v.Args[1]
 10148  	v_0 := v.Args[0]
 10149  	// match: (Rsh8Ux64 x (Const64 [c]))
 10150  	// cond: uint64(c) < 8
 10151  	// result: (SHRBconst x [int8(c)])
 10152  	for {
 10153  		x := v_0
 10154  		if v_1.Op != OpConst64 {
 10155  			break
 10156  		}
 10157  		c := auxIntToInt64(v_1.AuxInt)
 10158  		if !(uint64(c) < 8) {
 10159  			break
 10160  		}
 10161  		v.reset(Op386SHRBconst)
 10162  		v.AuxInt = int8ToAuxInt(int8(c))
 10163  		v.AddArg(x)
 10164  		return true
 10165  	}
 10166  	// match: (Rsh8Ux64 _ (Const64 [c]))
 10167  	// cond: uint64(c) >= 8
 10168  	// result: (Const8 [0])
 10169  	for {
 10170  		if v_1.Op != OpConst64 {
 10171  			break
 10172  		}
 10173  		c := auxIntToInt64(v_1.AuxInt)
 10174  		if !(uint64(c) >= 8) {
 10175  			break
 10176  		}
 10177  		v.reset(OpConst8)
 10178  		v.AuxInt = int8ToAuxInt(0)
 10179  		return true
 10180  	}
 10181  	return false
 10182  }
 10183  func rewriteValue386_OpRsh8Ux8(v *Value) bool {
 10184  	v_1 := v.Args[1]
 10185  	v_0 := v.Args[0]
 10186  	b := v.Block
 10187  	// match: (Rsh8Ux8 <t> x y)
 10188  	// cond: !shiftIsBounded(v)
 10189  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPBconst y [8])))
 10190  	for {
 10191  		t := v.Type
 10192  		x := v_0
 10193  		y := v_1
 10194  		if !(!shiftIsBounded(v)) {
 10195  			break
 10196  		}
 10197  		v.reset(Op386ANDL)
 10198  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10199  		v0.AddArg2(x, y)
 10200  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10201  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10202  		v2.AuxInt = int8ToAuxInt(8)
 10203  		v2.AddArg(y)
 10204  		v1.AddArg(v2)
 10205  		v.AddArg2(v0, v1)
 10206  		return true
 10207  	}
 10208  	// match: (Rsh8Ux8 <t> x y)
 10209  	// cond: shiftIsBounded(v)
 10210  	// result: (SHRB <t> x y)
 10211  	for {
 10212  		t := v.Type
 10213  		x := v_0
 10214  		y := v_1
 10215  		if !(shiftIsBounded(v)) {
 10216  			break
 10217  		}
 10218  		v.reset(Op386SHRB)
 10219  		v.Type = t
 10220  		v.AddArg2(x, y)
 10221  		return true
 10222  	}
 10223  	return false
 10224  }
 10225  func rewriteValue386_OpRsh8x16(v *Value) bool {
 10226  	v_1 := v.Args[1]
 10227  	v_0 := v.Args[0]
 10228  	b := v.Block
 10229  	// match: (Rsh8x16 <t> x y)
 10230  	// cond: !shiftIsBounded(v)
 10231  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [8])))))
 10232  	for {
 10233  		t := v.Type
 10234  		x := v_0
 10235  		y := v_1
 10236  		if !(!shiftIsBounded(v)) {
 10237  			break
 10238  		}
 10239  		v.reset(Op386SARB)
 10240  		v.Type = t
 10241  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10242  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10243  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10244  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10245  		v3.AuxInt = int16ToAuxInt(8)
 10246  		v3.AddArg(y)
 10247  		v2.AddArg(v3)
 10248  		v1.AddArg(v2)
 10249  		v0.AddArg2(y, v1)
 10250  		v.AddArg2(x, v0)
 10251  		return true
 10252  	}
 10253  	// match: (Rsh8x16 <t> x y)
 10254  	// cond: shiftIsBounded(v)
 10255  	// result: (SARB x y)
 10256  	for {
 10257  		x := v_0
 10258  		y := v_1
 10259  		if !(shiftIsBounded(v)) {
 10260  			break
 10261  		}
 10262  		v.reset(Op386SARB)
 10263  		v.AddArg2(x, y)
 10264  		return true
 10265  	}
 10266  	return false
 10267  }
 10268  func rewriteValue386_OpRsh8x32(v *Value) bool {
 10269  	v_1 := v.Args[1]
 10270  	v_0 := v.Args[0]
 10271  	b := v.Block
 10272  	// match: (Rsh8x32 <t> x y)
 10273  	// cond: !shiftIsBounded(v)
 10274  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [8])))))
 10275  	for {
 10276  		t := v.Type
 10277  		x := v_0
 10278  		y := v_1
 10279  		if !(!shiftIsBounded(v)) {
 10280  			break
 10281  		}
 10282  		v.reset(Op386SARB)
 10283  		v.Type = t
 10284  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10285  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10286  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10287  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10288  		v3.AuxInt = int32ToAuxInt(8)
 10289  		v3.AddArg(y)
 10290  		v2.AddArg(v3)
 10291  		v1.AddArg(v2)
 10292  		v0.AddArg2(y, v1)
 10293  		v.AddArg2(x, v0)
 10294  		return true
 10295  	}
 10296  	// match: (Rsh8x32 <t> x y)
 10297  	// cond: shiftIsBounded(v)
 10298  	// result: (SARB x y)
 10299  	for {
 10300  		x := v_0
 10301  		y := v_1
 10302  		if !(shiftIsBounded(v)) {
 10303  			break
 10304  		}
 10305  		v.reset(Op386SARB)
 10306  		v.AddArg2(x, y)
 10307  		return true
 10308  	}
 10309  	return false
 10310  }
 10311  func rewriteValue386_OpRsh8x64(v *Value) bool {
 10312  	v_1 := v.Args[1]
 10313  	v_0 := v.Args[0]
 10314  	// match: (Rsh8x64 x (Const64 [c]))
 10315  	// cond: uint64(c) < 8
 10316  	// result: (SARBconst x [int8(c)])
 10317  	for {
 10318  		x := v_0
 10319  		if v_1.Op != OpConst64 {
 10320  			break
 10321  		}
 10322  		c := auxIntToInt64(v_1.AuxInt)
 10323  		if !(uint64(c) < 8) {
 10324  			break
 10325  		}
 10326  		v.reset(Op386SARBconst)
 10327  		v.AuxInt = int8ToAuxInt(int8(c))
 10328  		v.AddArg(x)
 10329  		return true
 10330  	}
 10331  	// match: (Rsh8x64 x (Const64 [c]))
 10332  	// cond: uint64(c) >= 8
 10333  	// result: (SARBconst x [7])
 10334  	for {
 10335  		x := v_0
 10336  		if v_1.Op != OpConst64 {
 10337  			break
 10338  		}
 10339  		c := auxIntToInt64(v_1.AuxInt)
 10340  		if !(uint64(c) >= 8) {
 10341  			break
 10342  		}
 10343  		v.reset(Op386SARBconst)
 10344  		v.AuxInt = int8ToAuxInt(7)
 10345  		v.AddArg(x)
 10346  		return true
 10347  	}
 10348  	return false
 10349  }
 10350  func rewriteValue386_OpRsh8x8(v *Value) bool {
 10351  	v_1 := v.Args[1]
 10352  	v_0 := v.Args[0]
 10353  	b := v.Block
 10354  	// match: (Rsh8x8 <t> x y)
 10355  	// cond: !shiftIsBounded(v)
 10356  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [8])))))
 10357  	for {
 10358  		t := v.Type
 10359  		x := v_0
 10360  		y := v_1
 10361  		if !(!shiftIsBounded(v)) {
 10362  			break
 10363  		}
 10364  		v.reset(Op386SARB)
 10365  		v.Type = t
 10366  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10367  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10368  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10369  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10370  		v3.AuxInt = int8ToAuxInt(8)
 10371  		v3.AddArg(y)
 10372  		v2.AddArg(v3)
 10373  		v1.AddArg(v2)
 10374  		v0.AddArg2(y, v1)
 10375  		v.AddArg2(x, v0)
 10376  		return true
 10377  	}
 10378  	// match: (Rsh8x8 <t> x y)
 10379  	// cond: shiftIsBounded(v)
 10380  	// result: (SARB x y)
 10381  	for {
 10382  		x := v_0
 10383  		y := v_1
 10384  		if !(shiftIsBounded(v)) {
 10385  			break
 10386  		}
 10387  		v.reset(Op386SARB)
 10388  		v.AddArg2(x, y)
 10389  		return true
 10390  	}
 10391  	return false
 10392  }
 10393  func rewriteValue386_OpSelect0(v *Value) bool {
 10394  	v_0 := v.Args[0]
 10395  	b := v.Block
 10396  	typ := &b.Func.Config.Types
 10397  	// match: (Select0 (Mul32uover x y))
 10398  	// result: (Select0 <typ.UInt32> (MULLU x y))
 10399  	for {
 10400  		if v_0.Op != OpMul32uover {
 10401  			break
 10402  		}
 10403  		y := v_0.Args[1]
 10404  		x := v_0.Args[0]
 10405  		v.reset(OpSelect0)
 10406  		v.Type = typ.UInt32
 10407  		v0 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 10408  		v0.AddArg2(x, y)
 10409  		v.AddArg(v0)
 10410  		return true
 10411  	}
 10412  	return false
 10413  }
 10414  func rewriteValue386_OpSelect1(v *Value) bool {
 10415  	v_0 := v.Args[0]
 10416  	b := v.Block
 10417  	typ := &b.Func.Config.Types
 10418  	// match: (Select1 (Mul32uover x y))
 10419  	// result: (SETO (Select1 <types.TypeFlags> (MULLU x y)))
 10420  	for {
 10421  		if v_0.Op != OpMul32uover {
 10422  			break
 10423  		}
 10424  		y := v_0.Args[1]
 10425  		x := v_0.Args[0]
 10426  		v.reset(Op386SETO)
 10427  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 10428  		v1 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 10429  		v1.AddArg2(x, y)
 10430  		v0.AddArg(v1)
 10431  		v.AddArg(v0)
 10432  		return true
 10433  	}
 10434  	return false
 10435  }
 10436  func rewriteValue386_OpSignmask(v *Value) bool {
 10437  	v_0 := v.Args[0]
 10438  	// match: (Signmask x)
 10439  	// result: (SARLconst x [31])
 10440  	for {
 10441  		x := v_0
 10442  		v.reset(Op386SARLconst)
 10443  		v.AuxInt = int32ToAuxInt(31)
 10444  		v.AddArg(x)
 10445  		return true
 10446  	}
 10447  }
 10448  func rewriteValue386_OpSlicemask(v *Value) bool {
 10449  	v_0 := v.Args[0]
 10450  	b := v.Block
 10451  	// match: (Slicemask <t> x)
 10452  	// result: (SARLconst (NEGL <t> x) [31])
 10453  	for {
 10454  		t := v.Type
 10455  		x := v_0
 10456  		v.reset(Op386SARLconst)
 10457  		v.AuxInt = int32ToAuxInt(31)
 10458  		v0 := b.NewValue0(v.Pos, Op386NEGL, t)
 10459  		v0.AddArg(x)
 10460  		v.AddArg(v0)
 10461  		return true
 10462  	}
 10463  }
 10464  func rewriteValue386_OpStore(v *Value) bool {
 10465  	v_2 := v.Args[2]
 10466  	v_1 := v.Args[1]
 10467  	v_0 := v.Args[0]
 10468  	// match: (Store {t} ptr val mem)
 10469  	// cond: t.Size() == 8 && t.IsFloat()
 10470  	// result: (MOVSDstore ptr val mem)
 10471  	for {
 10472  		t := auxToType(v.Aux)
 10473  		ptr := v_0
 10474  		val := v_1
 10475  		mem := v_2
 10476  		if !(t.Size() == 8 && t.IsFloat()) {
 10477  			break
 10478  		}
 10479  		v.reset(Op386MOVSDstore)
 10480  		v.AddArg3(ptr, val, mem)
 10481  		return true
 10482  	}
 10483  	// match: (Store {t} ptr val mem)
 10484  	// cond: t.Size() == 4 && t.IsFloat()
 10485  	// result: (MOVSSstore ptr val mem)
 10486  	for {
 10487  		t := auxToType(v.Aux)
 10488  		ptr := v_0
 10489  		val := v_1
 10490  		mem := v_2
 10491  		if !(t.Size() == 4 && t.IsFloat()) {
 10492  			break
 10493  		}
 10494  		v.reset(Op386MOVSSstore)
 10495  		v.AddArg3(ptr, val, mem)
 10496  		return true
 10497  	}
 10498  	// match: (Store {t} ptr val mem)
 10499  	// cond: t.Size() == 4 && !t.IsFloat()
 10500  	// result: (MOVLstore ptr val mem)
 10501  	for {
 10502  		t := auxToType(v.Aux)
 10503  		ptr := v_0
 10504  		val := v_1
 10505  		mem := v_2
 10506  		if !(t.Size() == 4 && !t.IsFloat()) {
 10507  			break
 10508  		}
 10509  		v.reset(Op386MOVLstore)
 10510  		v.AddArg3(ptr, val, mem)
 10511  		return true
 10512  	}
 10513  	// match: (Store {t} ptr val mem)
 10514  	// cond: t.Size() == 2
 10515  	// result: (MOVWstore ptr val mem)
 10516  	for {
 10517  		t := auxToType(v.Aux)
 10518  		ptr := v_0
 10519  		val := v_1
 10520  		mem := v_2
 10521  		if !(t.Size() == 2) {
 10522  			break
 10523  		}
 10524  		v.reset(Op386MOVWstore)
 10525  		v.AddArg3(ptr, val, mem)
 10526  		return true
 10527  	}
 10528  	// match: (Store {t} ptr val mem)
 10529  	// cond: t.Size() == 1
 10530  	// result: (MOVBstore ptr val mem)
 10531  	for {
 10532  		t := auxToType(v.Aux)
 10533  		ptr := v_0
 10534  		val := v_1
 10535  		mem := v_2
 10536  		if !(t.Size() == 1) {
 10537  			break
 10538  		}
 10539  		v.reset(Op386MOVBstore)
 10540  		v.AddArg3(ptr, val, mem)
 10541  		return true
 10542  	}
 10543  	return false
 10544  }
 10545  func rewriteValue386_OpZero(v *Value) bool {
 10546  	v_1 := v.Args[1]
 10547  	v_0 := v.Args[0]
 10548  	b := v.Block
 10549  	config := b.Func.Config
 10550  	typ := &b.Func.Config.Types
 10551  	// match: (Zero [0] _ mem)
 10552  	// result: mem
 10553  	for {
 10554  		if auxIntToInt64(v.AuxInt) != 0 {
 10555  			break
 10556  		}
 10557  		mem := v_1
 10558  		v.copyOf(mem)
 10559  		return true
 10560  	}
 10561  	// match: (Zero [1] destptr mem)
 10562  	// result: (MOVBstoreconst [0] destptr mem)
 10563  	for {
 10564  		if auxIntToInt64(v.AuxInt) != 1 {
 10565  			break
 10566  		}
 10567  		destptr := v_0
 10568  		mem := v_1
 10569  		v.reset(Op386MOVBstoreconst)
 10570  		v.AuxInt = valAndOffToAuxInt(0)
 10571  		v.AddArg2(destptr, mem)
 10572  		return true
 10573  	}
 10574  	// match: (Zero [2] destptr mem)
 10575  	// result: (MOVWstoreconst [0] destptr mem)
 10576  	for {
 10577  		if auxIntToInt64(v.AuxInt) != 2 {
 10578  			break
 10579  		}
 10580  		destptr := v_0
 10581  		mem := v_1
 10582  		v.reset(Op386MOVWstoreconst)
 10583  		v.AuxInt = valAndOffToAuxInt(0)
 10584  		v.AddArg2(destptr, mem)
 10585  		return true
 10586  	}
 10587  	// match: (Zero [4] destptr mem)
 10588  	// result: (MOVLstoreconst [0] destptr mem)
 10589  	for {
 10590  		if auxIntToInt64(v.AuxInt) != 4 {
 10591  			break
 10592  		}
 10593  		destptr := v_0
 10594  		mem := v_1
 10595  		v.reset(Op386MOVLstoreconst)
 10596  		v.AuxInt = valAndOffToAuxInt(0)
 10597  		v.AddArg2(destptr, mem)
 10598  		return true
 10599  	}
 10600  	// match: (Zero [3] destptr mem)
 10601  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr (MOVWstoreconst [makeValAndOff(0,0)] destptr mem))
 10602  	for {
 10603  		if auxIntToInt64(v.AuxInt) != 3 {
 10604  			break
 10605  		}
 10606  		destptr := v_0
 10607  		mem := v_1
 10608  		v.reset(Op386MOVBstoreconst)
 10609  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 2))
 10610  		v0 := b.NewValue0(v.Pos, Op386MOVWstoreconst, types.TypeMem)
 10611  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10612  		v0.AddArg2(destptr, mem)
 10613  		v.AddArg2(destptr, v0)
 10614  		return true
 10615  	}
 10616  	// match: (Zero [5] destptr mem)
 10617  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10618  	for {
 10619  		if auxIntToInt64(v.AuxInt) != 5 {
 10620  			break
 10621  		}
 10622  		destptr := v_0
 10623  		mem := v_1
 10624  		v.reset(Op386MOVBstoreconst)
 10625  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10626  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10627  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10628  		v0.AddArg2(destptr, mem)
 10629  		v.AddArg2(destptr, v0)
 10630  		return true
 10631  	}
 10632  	// match: (Zero [6] destptr mem)
 10633  	// result: (MOVWstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10634  	for {
 10635  		if auxIntToInt64(v.AuxInt) != 6 {
 10636  			break
 10637  		}
 10638  		destptr := v_0
 10639  		mem := v_1
 10640  		v.reset(Op386MOVWstoreconst)
 10641  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10642  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10643  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10644  		v0.AddArg2(destptr, mem)
 10645  		v.AddArg2(destptr, v0)
 10646  		return true
 10647  	}
 10648  	// match: (Zero [7] destptr mem)
 10649  	// result: (MOVLstoreconst [makeValAndOff(0,3)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10650  	for {
 10651  		if auxIntToInt64(v.AuxInt) != 7 {
 10652  			break
 10653  		}
 10654  		destptr := v_0
 10655  		mem := v_1
 10656  		v.reset(Op386MOVLstoreconst)
 10657  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 3))
 10658  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10659  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10660  		v0.AddArg2(destptr, mem)
 10661  		v.AddArg2(destptr, v0)
 10662  		return true
 10663  	}
 10664  	// match: (Zero [s] destptr mem)
 10665  	// cond: s%4 != 0 && s > 4
 10666  	// result: (Zero [s-s%4] (ADDLconst destptr [int32(s%4)]) (MOVLstoreconst [0] destptr mem))
 10667  	for {
 10668  		s := auxIntToInt64(v.AuxInt)
 10669  		destptr := v_0
 10670  		mem := v_1
 10671  		if !(s%4 != 0 && s > 4) {
 10672  			break
 10673  		}
 10674  		v.reset(OpZero)
 10675  		v.AuxInt = int64ToAuxInt(s - s%4)
 10676  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, typ.UInt32)
 10677  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
 10678  		v0.AddArg(destptr)
 10679  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10680  		v1.AuxInt = valAndOffToAuxInt(0)
 10681  		v1.AddArg2(destptr, mem)
 10682  		v.AddArg2(v0, v1)
 10683  		return true
 10684  	}
 10685  	// match: (Zero [8] destptr mem)
 10686  	// result: (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10687  	for {
 10688  		if auxIntToInt64(v.AuxInt) != 8 {
 10689  			break
 10690  		}
 10691  		destptr := v_0
 10692  		mem := v_1
 10693  		v.reset(Op386MOVLstoreconst)
 10694  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10695  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10696  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10697  		v0.AddArg2(destptr, mem)
 10698  		v.AddArg2(destptr, v0)
 10699  		return true
 10700  	}
 10701  	// match: (Zero [12] destptr mem)
 10702  	// result: (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem)))
 10703  	for {
 10704  		if auxIntToInt64(v.AuxInt) != 12 {
 10705  			break
 10706  		}
 10707  		destptr := v_0
 10708  		mem := v_1
 10709  		v.reset(Op386MOVLstoreconst)
 10710  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 10711  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10712  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10713  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10714  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10715  		v1.AddArg2(destptr, mem)
 10716  		v0.AddArg2(destptr, v1)
 10717  		v.AddArg2(destptr, v0)
 10718  		return true
 10719  	}
 10720  	// match: (Zero [16] destptr mem)
 10721  	// result: (MOVLstoreconst [makeValAndOff(0,12)] destptr (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))))
 10722  	for {
 10723  		if auxIntToInt64(v.AuxInt) != 16 {
 10724  			break
 10725  		}
 10726  		destptr := v_0
 10727  		mem := v_1
 10728  		v.reset(Op386MOVLstoreconst)
 10729  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 12))
 10730  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10731  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 10732  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10733  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10734  		v2 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10735  		v2.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10736  		v2.AddArg2(destptr, mem)
 10737  		v1.AddArg2(destptr, v2)
 10738  		v0.AddArg2(destptr, v1)
 10739  		v.AddArg2(destptr, v0)
 10740  		return true
 10741  	}
 10742  	// match: (Zero [s] destptr mem)
 10743  	// cond: s > 16 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice
 10744  	// result: (DUFFZERO [1*(128-s/4)] destptr (MOVLconst [0]) mem)
 10745  	for {
 10746  		s := auxIntToInt64(v.AuxInt)
 10747  		destptr := v_0
 10748  		mem := v_1
 10749  		if !(s > 16 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice) {
 10750  			break
 10751  		}
 10752  		v.reset(Op386DUFFZERO)
 10753  		v.AuxInt = int64ToAuxInt(1 * (128 - s/4))
 10754  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10755  		v0.AuxInt = int32ToAuxInt(0)
 10756  		v.AddArg3(destptr, v0, mem)
 10757  		return true
 10758  	}
 10759  	// match: (Zero [s] destptr mem)
 10760  	// cond: (s > 4*128 || (config.noDuffDevice && s > 16)) && s%4 == 0
 10761  	// result: (REPSTOSL destptr (MOVLconst [int32(s/4)]) (MOVLconst [0]) mem)
 10762  	for {
 10763  		s := auxIntToInt64(v.AuxInt)
 10764  		destptr := v_0
 10765  		mem := v_1
 10766  		if !((s > 4*128 || (config.noDuffDevice && s > 16)) && s%4 == 0) {
 10767  			break
 10768  		}
 10769  		v.reset(Op386REPSTOSL)
 10770  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10771  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
 10772  		v1 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10773  		v1.AuxInt = int32ToAuxInt(0)
 10774  		v.AddArg4(destptr, v0, v1, mem)
 10775  		return true
 10776  	}
 10777  	return false
 10778  }
 10779  func rewriteValue386_OpZeromask(v *Value) bool {
 10780  	v_0 := v.Args[0]
 10781  	b := v.Block
 10782  	// match: (Zeromask <t> x)
 10783  	// result: (XORLconst [-1] (SBBLcarrymask <t> (CMPLconst x [1])))
 10784  	for {
 10785  		t := v.Type
 10786  		x := v_0
 10787  		v.reset(Op386XORLconst)
 10788  		v.AuxInt = int32ToAuxInt(-1)
 10789  		v0 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10790  		v1 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10791  		v1.AuxInt = int32ToAuxInt(1)
 10792  		v1.AddArg(x)
 10793  		v0.AddArg(v1)
 10794  		v.AddArg(v0)
 10795  		return true
 10796  	}
 10797  }
 10798  func rewriteBlock386(b *Block) bool {
 10799  	switch b.Kind {
 10800  	case Block386EQ:
 10801  		// match: (EQ (InvertFlags cmp) yes no)
 10802  		// result: (EQ cmp yes no)
 10803  		for b.Controls[0].Op == Op386InvertFlags {
 10804  			v_0 := b.Controls[0]
 10805  			cmp := v_0.Args[0]
 10806  			b.resetWithControl(Block386EQ, cmp)
 10807  			return true
 10808  		}
 10809  		// match: (EQ (FlagEQ) yes no)
 10810  		// result: (First yes no)
 10811  		for b.Controls[0].Op == Op386FlagEQ {
 10812  			b.Reset(BlockFirst)
 10813  			return true
 10814  		}
 10815  		// match: (EQ (FlagLT_ULT) yes no)
 10816  		// result: (First no yes)
 10817  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10818  			b.Reset(BlockFirst)
 10819  			b.swapSuccessors()
 10820  			return true
 10821  		}
 10822  		// match: (EQ (FlagLT_UGT) yes no)
 10823  		// result: (First no yes)
 10824  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10825  			b.Reset(BlockFirst)
 10826  			b.swapSuccessors()
 10827  			return true
 10828  		}
 10829  		// match: (EQ (FlagGT_ULT) yes no)
 10830  		// result: (First no yes)
 10831  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10832  			b.Reset(BlockFirst)
 10833  			b.swapSuccessors()
 10834  			return true
 10835  		}
 10836  		// match: (EQ (FlagGT_UGT) yes no)
 10837  		// result: (First no yes)
 10838  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10839  			b.Reset(BlockFirst)
 10840  			b.swapSuccessors()
 10841  			return true
 10842  		}
 10843  	case Block386GE:
 10844  		// match: (GE (InvertFlags cmp) yes no)
 10845  		// result: (LE cmp yes no)
 10846  		for b.Controls[0].Op == Op386InvertFlags {
 10847  			v_0 := b.Controls[0]
 10848  			cmp := v_0.Args[0]
 10849  			b.resetWithControl(Block386LE, cmp)
 10850  			return true
 10851  		}
 10852  		// match: (GE (FlagEQ) yes no)
 10853  		// result: (First yes no)
 10854  		for b.Controls[0].Op == Op386FlagEQ {
 10855  			b.Reset(BlockFirst)
 10856  			return true
 10857  		}
 10858  		// match: (GE (FlagLT_ULT) yes no)
 10859  		// result: (First no yes)
 10860  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10861  			b.Reset(BlockFirst)
 10862  			b.swapSuccessors()
 10863  			return true
 10864  		}
 10865  		// match: (GE (FlagLT_UGT) yes no)
 10866  		// result: (First no yes)
 10867  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10868  			b.Reset(BlockFirst)
 10869  			b.swapSuccessors()
 10870  			return true
 10871  		}
 10872  		// match: (GE (FlagGT_ULT) yes no)
 10873  		// result: (First yes no)
 10874  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10875  			b.Reset(BlockFirst)
 10876  			return true
 10877  		}
 10878  		// match: (GE (FlagGT_UGT) yes no)
 10879  		// result: (First yes no)
 10880  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10881  			b.Reset(BlockFirst)
 10882  			return true
 10883  		}
 10884  	case Block386GT:
 10885  		// match: (GT (InvertFlags cmp) yes no)
 10886  		// result: (LT cmp yes no)
 10887  		for b.Controls[0].Op == Op386InvertFlags {
 10888  			v_0 := b.Controls[0]
 10889  			cmp := v_0.Args[0]
 10890  			b.resetWithControl(Block386LT, cmp)
 10891  			return true
 10892  		}
 10893  		// match: (GT (FlagEQ) yes no)
 10894  		// result: (First no yes)
 10895  		for b.Controls[0].Op == Op386FlagEQ {
 10896  			b.Reset(BlockFirst)
 10897  			b.swapSuccessors()
 10898  			return true
 10899  		}
 10900  		// match: (GT (FlagLT_ULT) yes no)
 10901  		// result: (First no yes)
 10902  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10903  			b.Reset(BlockFirst)
 10904  			b.swapSuccessors()
 10905  			return true
 10906  		}
 10907  		// match: (GT (FlagLT_UGT) yes no)
 10908  		// result: (First no yes)
 10909  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10910  			b.Reset(BlockFirst)
 10911  			b.swapSuccessors()
 10912  			return true
 10913  		}
 10914  		// match: (GT (FlagGT_ULT) yes no)
 10915  		// result: (First yes no)
 10916  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10917  			b.Reset(BlockFirst)
 10918  			return true
 10919  		}
 10920  		// match: (GT (FlagGT_UGT) yes no)
 10921  		// result: (First yes no)
 10922  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10923  			b.Reset(BlockFirst)
 10924  			return true
 10925  		}
 10926  	case BlockIf:
 10927  		// match: (If (SETL cmp) yes no)
 10928  		// result: (LT cmp yes no)
 10929  		for b.Controls[0].Op == Op386SETL {
 10930  			v_0 := b.Controls[0]
 10931  			cmp := v_0.Args[0]
 10932  			b.resetWithControl(Block386LT, cmp)
 10933  			return true
 10934  		}
 10935  		// match: (If (SETLE cmp) yes no)
 10936  		// result: (LE cmp yes no)
 10937  		for b.Controls[0].Op == Op386SETLE {
 10938  			v_0 := b.Controls[0]
 10939  			cmp := v_0.Args[0]
 10940  			b.resetWithControl(Block386LE, cmp)
 10941  			return true
 10942  		}
 10943  		// match: (If (SETG cmp) yes no)
 10944  		// result: (GT cmp yes no)
 10945  		for b.Controls[0].Op == Op386SETG {
 10946  			v_0 := b.Controls[0]
 10947  			cmp := v_0.Args[0]
 10948  			b.resetWithControl(Block386GT, cmp)
 10949  			return true
 10950  		}
 10951  		// match: (If (SETGE cmp) yes no)
 10952  		// result: (GE cmp yes no)
 10953  		for b.Controls[0].Op == Op386SETGE {
 10954  			v_0 := b.Controls[0]
 10955  			cmp := v_0.Args[0]
 10956  			b.resetWithControl(Block386GE, cmp)
 10957  			return true
 10958  		}
 10959  		// match: (If (SETEQ cmp) yes no)
 10960  		// result: (EQ cmp yes no)
 10961  		for b.Controls[0].Op == Op386SETEQ {
 10962  			v_0 := b.Controls[0]
 10963  			cmp := v_0.Args[0]
 10964  			b.resetWithControl(Block386EQ, cmp)
 10965  			return true
 10966  		}
 10967  		// match: (If (SETNE cmp) yes no)
 10968  		// result: (NE cmp yes no)
 10969  		for b.Controls[0].Op == Op386SETNE {
 10970  			v_0 := b.Controls[0]
 10971  			cmp := v_0.Args[0]
 10972  			b.resetWithControl(Block386NE, cmp)
 10973  			return true
 10974  		}
 10975  		// match: (If (SETB cmp) yes no)
 10976  		// result: (ULT cmp yes no)
 10977  		for b.Controls[0].Op == Op386SETB {
 10978  			v_0 := b.Controls[0]
 10979  			cmp := v_0.Args[0]
 10980  			b.resetWithControl(Block386ULT, cmp)
 10981  			return true
 10982  		}
 10983  		// match: (If (SETBE cmp) yes no)
 10984  		// result: (ULE cmp yes no)
 10985  		for b.Controls[0].Op == Op386SETBE {
 10986  			v_0 := b.Controls[0]
 10987  			cmp := v_0.Args[0]
 10988  			b.resetWithControl(Block386ULE, cmp)
 10989  			return true
 10990  		}
 10991  		// match: (If (SETA cmp) yes no)
 10992  		// result: (UGT cmp yes no)
 10993  		for b.Controls[0].Op == Op386SETA {
 10994  			v_0 := b.Controls[0]
 10995  			cmp := v_0.Args[0]
 10996  			b.resetWithControl(Block386UGT, cmp)
 10997  			return true
 10998  		}
 10999  		// match: (If (SETAE cmp) yes no)
 11000  		// result: (UGE cmp yes no)
 11001  		for b.Controls[0].Op == Op386SETAE {
 11002  			v_0 := b.Controls[0]
 11003  			cmp := v_0.Args[0]
 11004  			b.resetWithControl(Block386UGE, cmp)
 11005  			return true
 11006  		}
 11007  		// match: (If (SETO cmp) yes no)
 11008  		// result: (OS cmp yes no)
 11009  		for b.Controls[0].Op == Op386SETO {
 11010  			v_0 := b.Controls[0]
 11011  			cmp := v_0.Args[0]
 11012  			b.resetWithControl(Block386OS, cmp)
 11013  			return true
 11014  		}
 11015  		// match: (If (SETGF cmp) yes no)
 11016  		// result: (UGT cmp yes no)
 11017  		for b.Controls[0].Op == Op386SETGF {
 11018  			v_0 := b.Controls[0]
 11019  			cmp := v_0.Args[0]
 11020  			b.resetWithControl(Block386UGT, cmp)
 11021  			return true
 11022  		}
 11023  		// match: (If (SETGEF cmp) yes no)
 11024  		// result: (UGE cmp yes no)
 11025  		for b.Controls[0].Op == Op386SETGEF {
 11026  			v_0 := b.Controls[0]
 11027  			cmp := v_0.Args[0]
 11028  			b.resetWithControl(Block386UGE, cmp)
 11029  			return true
 11030  		}
 11031  		// match: (If (SETEQF cmp) yes no)
 11032  		// result: (EQF cmp yes no)
 11033  		for b.Controls[0].Op == Op386SETEQF {
 11034  			v_0 := b.Controls[0]
 11035  			cmp := v_0.Args[0]
 11036  			b.resetWithControl(Block386EQF, cmp)
 11037  			return true
 11038  		}
 11039  		// match: (If (SETNEF cmp) yes no)
 11040  		// result: (NEF cmp yes no)
 11041  		for b.Controls[0].Op == Op386SETNEF {
 11042  			v_0 := b.Controls[0]
 11043  			cmp := v_0.Args[0]
 11044  			b.resetWithControl(Block386NEF, cmp)
 11045  			return true
 11046  		}
 11047  		// match: (If cond yes no)
 11048  		// result: (NE (TESTB cond cond) yes no)
 11049  		for {
 11050  			cond := b.Controls[0]
 11051  			v0 := b.NewValue0(cond.Pos, Op386TESTB, types.TypeFlags)
 11052  			v0.AddArg2(cond, cond)
 11053  			b.resetWithControl(Block386NE, v0)
 11054  			return true
 11055  		}
 11056  	case Block386LE:
 11057  		// match: (LE (InvertFlags cmp) yes no)
 11058  		// result: (GE cmp yes no)
 11059  		for b.Controls[0].Op == Op386InvertFlags {
 11060  			v_0 := b.Controls[0]
 11061  			cmp := v_0.Args[0]
 11062  			b.resetWithControl(Block386GE, cmp)
 11063  			return true
 11064  		}
 11065  		// match: (LE (FlagEQ) yes no)
 11066  		// result: (First yes no)
 11067  		for b.Controls[0].Op == Op386FlagEQ {
 11068  			b.Reset(BlockFirst)
 11069  			return true
 11070  		}
 11071  		// match: (LE (FlagLT_ULT) yes no)
 11072  		// result: (First yes no)
 11073  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11074  			b.Reset(BlockFirst)
 11075  			return true
 11076  		}
 11077  		// match: (LE (FlagLT_UGT) yes no)
 11078  		// result: (First yes no)
 11079  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11080  			b.Reset(BlockFirst)
 11081  			return true
 11082  		}
 11083  		// match: (LE (FlagGT_ULT) yes no)
 11084  		// result: (First no yes)
 11085  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11086  			b.Reset(BlockFirst)
 11087  			b.swapSuccessors()
 11088  			return true
 11089  		}
 11090  		// match: (LE (FlagGT_UGT) yes no)
 11091  		// result: (First no yes)
 11092  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11093  			b.Reset(BlockFirst)
 11094  			b.swapSuccessors()
 11095  			return true
 11096  		}
 11097  	case Block386LT:
 11098  		// match: (LT (InvertFlags cmp) yes no)
 11099  		// result: (GT cmp yes no)
 11100  		for b.Controls[0].Op == Op386InvertFlags {
 11101  			v_0 := b.Controls[0]
 11102  			cmp := v_0.Args[0]
 11103  			b.resetWithControl(Block386GT, cmp)
 11104  			return true
 11105  		}
 11106  		// match: (LT (FlagEQ) yes no)
 11107  		// result: (First no yes)
 11108  		for b.Controls[0].Op == Op386FlagEQ {
 11109  			b.Reset(BlockFirst)
 11110  			b.swapSuccessors()
 11111  			return true
 11112  		}
 11113  		// match: (LT (FlagLT_ULT) yes no)
 11114  		// result: (First yes no)
 11115  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11116  			b.Reset(BlockFirst)
 11117  			return true
 11118  		}
 11119  		// match: (LT (FlagLT_UGT) yes no)
 11120  		// result: (First yes no)
 11121  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11122  			b.Reset(BlockFirst)
 11123  			return true
 11124  		}
 11125  		// match: (LT (FlagGT_ULT) yes no)
 11126  		// result: (First no yes)
 11127  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11128  			b.Reset(BlockFirst)
 11129  			b.swapSuccessors()
 11130  			return true
 11131  		}
 11132  		// match: (LT (FlagGT_UGT) yes no)
 11133  		// result: (First no yes)
 11134  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11135  			b.Reset(BlockFirst)
 11136  			b.swapSuccessors()
 11137  			return true
 11138  		}
 11139  	case Block386NE:
 11140  		// match: (NE (TESTB (SETL cmp) (SETL cmp)) yes no)
 11141  		// result: (LT cmp yes no)
 11142  		for b.Controls[0].Op == Op386TESTB {
 11143  			v_0 := b.Controls[0]
 11144  			_ = v_0.Args[1]
 11145  			v_0_0 := v_0.Args[0]
 11146  			if v_0_0.Op != Op386SETL {
 11147  				break
 11148  			}
 11149  			cmp := v_0_0.Args[0]
 11150  			v_0_1 := v_0.Args[1]
 11151  			if v_0_1.Op != Op386SETL || cmp != v_0_1.Args[0] {
 11152  				break
 11153  			}
 11154  			b.resetWithControl(Block386LT, cmp)
 11155  			return true
 11156  		}
 11157  		// match: (NE (TESTB (SETLE cmp) (SETLE cmp)) yes no)
 11158  		// result: (LE cmp yes no)
 11159  		for b.Controls[0].Op == Op386TESTB {
 11160  			v_0 := b.Controls[0]
 11161  			_ = v_0.Args[1]
 11162  			v_0_0 := v_0.Args[0]
 11163  			if v_0_0.Op != Op386SETLE {
 11164  				break
 11165  			}
 11166  			cmp := v_0_0.Args[0]
 11167  			v_0_1 := v_0.Args[1]
 11168  			if v_0_1.Op != Op386SETLE || cmp != v_0_1.Args[0] {
 11169  				break
 11170  			}
 11171  			b.resetWithControl(Block386LE, cmp)
 11172  			return true
 11173  		}
 11174  		// match: (NE (TESTB (SETG cmp) (SETG cmp)) yes no)
 11175  		// result: (GT cmp yes no)
 11176  		for b.Controls[0].Op == Op386TESTB {
 11177  			v_0 := b.Controls[0]
 11178  			_ = v_0.Args[1]
 11179  			v_0_0 := v_0.Args[0]
 11180  			if v_0_0.Op != Op386SETG {
 11181  				break
 11182  			}
 11183  			cmp := v_0_0.Args[0]
 11184  			v_0_1 := v_0.Args[1]
 11185  			if v_0_1.Op != Op386SETG || cmp != v_0_1.Args[0] {
 11186  				break
 11187  			}
 11188  			b.resetWithControl(Block386GT, cmp)
 11189  			return true
 11190  		}
 11191  		// match: (NE (TESTB (SETGE cmp) (SETGE cmp)) yes no)
 11192  		// result: (GE cmp yes no)
 11193  		for b.Controls[0].Op == Op386TESTB {
 11194  			v_0 := b.Controls[0]
 11195  			_ = v_0.Args[1]
 11196  			v_0_0 := v_0.Args[0]
 11197  			if v_0_0.Op != Op386SETGE {
 11198  				break
 11199  			}
 11200  			cmp := v_0_0.Args[0]
 11201  			v_0_1 := v_0.Args[1]
 11202  			if v_0_1.Op != Op386SETGE || cmp != v_0_1.Args[0] {
 11203  				break
 11204  			}
 11205  			b.resetWithControl(Block386GE, cmp)
 11206  			return true
 11207  		}
 11208  		// match: (NE (TESTB (SETEQ cmp) (SETEQ cmp)) yes no)
 11209  		// result: (EQ cmp yes no)
 11210  		for b.Controls[0].Op == Op386TESTB {
 11211  			v_0 := b.Controls[0]
 11212  			_ = v_0.Args[1]
 11213  			v_0_0 := v_0.Args[0]
 11214  			if v_0_0.Op != Op386SETEQ {
 11215  				break
 11216  			}
 11217  			cmp := v_0_0.Args[0]
 11218  			v_0_1 := v_0.Args[1]
 11219  			if v_0_1.Op != Op386SETEQ || cmp != v_0_1.Args[0] {
 11220  				break
 11221  			}
 11222  			b.resetWithControl(Block386EQ, cmp)
 11223  			return true
 11224  		}
 11225  		// match: (NE (TESTB (SETNE cmp) (SETNE cmp)) yes no)
 11226  		// result: (NE cmp yes no)
 11227  		for b.Controls[0].Op == Op386TESTB {
 11228  			v_0 := b.Controls[0]
 11229  			_ = v_0.Args[1]
 11230  			v_0_0 := v_0.Args[0]
 11231  			if v_0_0.Op != Op386SETNE {
 11232  				break
 11233  			}
 11234  			cmp := v_0_0.Args[0]
 11235  			v_0_1 := v_0.Args[1]
 11236  			if v_0_1.Op != Op386SETNE || cmp != v_0_1.Args[0] {
 11237  				break
 11238  			}
 11239  			b.resetWithControl(Block386NE, cmp)
 11240  			return true
 11241  		}
 11242  		// match: (NE (TESTB (SETB cmp) (SETB cmp)) yes no)
 11243  		// result: (ULT cmp yes no)
 11244  		for b.Controls[0].Op == Op386TESTB {
 11245  			v_0 := b.Controls[0]
 11246  			_ = v_0.Args[1]
 11247  			v_0_0 := v_0.Args[0]
 11248  			if v_0_0.Op != Op386SETB {
 11249  				break
 11250  			}
 11251  			cmp := v_0_0.Args[0]
 11252  			v_0_1 := v_0.Args[1]
 11253  			if v_0_1.Op != Op386SETB || cmp != v_0_1.Args[0] {
 11254  				break
 11255  			}
 11256  			b.resetWithControl(Block386ULT, cmp)
 11257  			return true
 11258  		}
 11259  		// match: (NE (TESTB (SETBE cmp) (SETBE cmp)) yes no)
 11260  		// result: (ULE cmp yes no)
 11261  		for b.Controls[0].Op == Op386TESTB {
 11262  			v_0 := b.Controls[0]
 11263  			_ = v_0.Args[1]
 11264  			v_0_0 := v_0.Args[0]
 11265  			if v_0_0.Op != Op386SETBE {
 11266  				break
 11267  			}
 11268  			cmp := v_0_0.Args[0]
 11269  			v_0_1 := v_0.Args[1]
 11270  			if v_0_1.Op != Op386SETBE || cmp != v_0_1.Args[0] {
 11271  				break
 11272  			}
 11273  			b.resetWithControl(Block386ULE, cmp)
 11274  			return true
 11275  		}
 11276  		// match: (NE (TESTB (SETA cmp) (SETA cmp)) yes no)
 11277  		// result: (UGT cmp yes no)
 11278  		for b.Controls[0].Op == Op386TESTB {
 11279  			v_0 := b.Controls[0]
 11280  			_ = v_0.Args[1]
 11281  			v_0_0 := v_0.Args[0]
 11282  			if v_0_0.Op != Op386SETA {
 11283  				break
 11284  			}
 11285  			cmp := v_0_0.Args[0]
 11286  			v_0_1 := v_0.Args[1]
 11287  			if v_0_1.Op != Op386SETA || cmp != v_0_1.Args[0] {
 11288  				break
 11289  			}
 11290  			b.resetWithControl(Block386UGT, cmp)
 11291  			return true
 11292  		}
 11293  		// match: (NE (TESTB (SETAE cmp) (SETAE cmp)) yes no)
 11294  		// result: (UGE cmp yes no)
 11295  		for b.Controls[0].Op == Op386TESTB {
 11296  			v_0 := b.Controls[0]
 11297  			_ = v_0.Args[1]
 11298  			v_0_0 := v_0.Args[0]
 11299  			if v_0_0.Op != Op386SETAE {
 11300  				break
 11301  			}
 11302  			cmp := v_0_0.Args[0]
 11303  			v_0_1 := v_0.Args[1]
 11304  			if v_0_1.Op != Op386SETAE || cmp != v_0_1.Args[0] {
 11305  				break
 11306  			}
 11307  			b.resetWithControl(Block386UGE, cmp)
 11308  			return true
 11309  		}
 11310  		// match: (NE (TESTB (SETO cmp) (SETO cmp)) yes no)
 11311  		// result: (OS cmp yes no)
 11312  		for b.Controls[0].Op == Op386TESTB {
 11313  			v_0 := b.Controls[0]
 11314  			_ = v_0.Args[1]
 11315  			v_0_0 := v_0.Args[0]
 11316  			if v_0_0.Op != Op386SETO {
 11317  				break
 11318  			}
 11319  			cmp := v_0_0.Args[0]
 11320  			v_0_1 := v_0.Args[1]
 11321  			if v_0_1.Op != Op386SETO || cmp != v_0_1.Args[0] {
 11322  				break
 11323  			}
 11324  			b.resetWithControl(Block386OS, cmp)
 11325  			return true
 11326  		}
 11327  		// match: (NE (TESTB (SETGF cmp) (SETGF cmp)) yes no)
 11328  		// result: (UGT cmp yes no)
 11329  		for b.Controls[0].Op == Op386TESTB {
 11330  			v_0 := b.Controls[0]
 11331  			_ = v_0.Args[1]
 11332  			v_0_0 := v_0.Args[0]
 11333  			if v_0_0.Op != Op386SETGF {
 11334  				break
 11335  			}
 11336  			cmp := v_0_0.Args[0]
 11337  			v_0_1 := v_0.Args[1]
 11338  			if v_0_1.Op != Op386SETGF || cmp != v_0_1.Args[0] {
 11339  				break
 11340  			}
 11341  			b.resetWithControl(Block386UGT, cmp)
 11342  			return true
 11343  		}
 11344  		// match: (NE (TESTB (SETGEF cmp) (SETGEF cmp)) yes no)
 11345  		// result: (UGE cmp yes no)
 11346  		for b.Controls[0].Op == Op386TESTB {
 11347  			v_0 := b.Controls[0]
 11348  			_ = v_0.Args[1]
 11349  			v_0_0 := v_0.Args[0]
 11350  			if v_0_0.Op != Op386SETGEF {
 11351  				break
 11352  			}
 11353  			cmp := v_0_0.Args[0]
 11354  			v_0_1 := v_0.Args[1]
 11355  			if v_0_1.Op != Op386SETGEF || cmp != v_0_1.Args[0] {
 11356  				break
 11357  			}
 11358  			b.resetWithControl(Block386UGE, cmp)
 11359  			return true
 11360  		}
 11361  		// match: (NE (TESTB (SETEQF cmp) (SETEQF cmp)) yes no)
 11362  		// result: (EQF cmp yes no)
 11363  		for b.Controls[0].Op == Op386TESTB {
 11364  			v_0 := b.Controls[0]
 11365  			_ = v_0.Args[1]
 11366  			v_0_0 := v_0.Args[0]
 11367  			if v_0_0.Op != Op386SETEQF {
 11368  				break
 11369  			}
 11370  			cmp := v_0_0.Args[0]
 11371  			v_0_1 := v_0.Args[1]
 11372  			if v_0_1.Op != Op386SETEQF || cmp != v_0_1.Args[0] {
 11373  				break
 11374  			}
 11375  			b.resetWithControl(Block386EQF, cmp)
 11376  			return true
 11377  		}
 11378  		// match: (NE (TESTB (SETNEF cmp) (SETNEF cmp)) yes no)
 11379  		// result: (NEF cmp yes no)
 11380  		for b.Controls[0].Op == Op386TESTB {
 11381  			v_0 := b.Controls[0]
 11382  			_ = v_0.Args[1]
 11383  			v_0_0 := v_0.Args[0]
 11384  			if v_0_0.Op != Op386SETNEF {
 11385  				break
 11386  			}
 11387  			cmp := v_0_0.Args[0]
 11388  			v_0_1 := v_0.Args[1]
 11389  			if v_0_1.Op != Op386SETNEF || cmp != v_0_1.Args[0] {
 11390  				break
 11391  			}
 11392  			b.resetWithControl(Block386NEF, cmp)
 11393  			return true
 11394  		}
 11395  		// match: (NE (InvertFlags cmp) yes no)
 11396  		// result: (NE cmp yes no)
 11397  		for b.Controls[0].Op == Op386InvertFlags {
 11398  			v_0 := b.Controls[0]
 11399  			cmp := v_0.Args[0]
 11400  			b.resetWithControl(Block386NE, cmp)
 11401  			return true
 11402  		}
 11403  		// match: (NE (FlagEQ) yes no)
 11404  		// result: (First no yes)
 11405  		for b.Controls[0].Op == Op386FlagEQ {
 11406  			b.Reset(BlockFirst)
 11407  			b.swapSuccessors()
 11408  			return true
 11409  		}
 11410  		// match: (NE (FlagLT_ULT) yes no)
 11411  		// result: (First yes no)
 11412  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11413  			b.Reset(BlockFirst)
 11414  			return true
 11415  		}
 11416  		// match: (NE (FlagLT_UGT) yes no)
 11417  		// result: (First yes no)
 11418  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11419  			b.Reset(BlockFirst)
 11420  			return true
 11421  		}
 11422  		// match: (NE (FlagGT_ULT) yes no)
 11423  		// result: (First yes no)
 11424  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11425  			b.Reset(BlockFirst)
 11426  			return true
 11427  		}
 11428  		// match: (NE (FlagGT_UGT) yes no)
 11429  		// result: (First yes no)
 11430  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11431  			b.Reset(BlockFirst)
 11432  			return true
 11433  		}
 11434  	case Block386UGE:
 11435  		// match: (UGE (InvertFlags cmp) yes no)
 11436  		// result: (ULE cmp yes no)
 11437  		for b.Controls[0].Op == Op386InvertFlags {
 11438  			v_0 := b.Controls[0]
 11439  			cmp := v_0.Args[0]
 11440  			b.resetWithControl(Block386ULE, cmp)
 11441  			return true
 11442  		}
 11443  		// match: (UGE (FlagEQ) yes no)
 11444  		// result: (First yes no)
 11445  		for b.Controls[0].Op == Op386FlagEQ {
 11446  			b.Reset(BlockFirst)
 11447  			return true
 11448  		}
 11449  		// match: (UGE (FlagLT_ULT) yes no)
 11450  		// result: (First no yes)
 11451  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11452  			b.Reset(BlockFirst)
 11453  			b.swapSuccessors()
 11454  			return true
 11455  		}
 11456  		// match: (UGE (FlagLT_UGT) yes no)
 11457  		// result: (First yes no)
 11458  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11459  			b.Reset(BlockFirst)
 11460  			return true
 11461  		}
 11462  		// match: (UGE (FlagGT_ULT) yes no)
 11463  		// result: (First no yes)
 11464  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11465  			b.Reset(BlockFirst)
 11466  			b.swapSuccessors()
 11467  			return true
 11468  		}
 11469  		// match: (UGE (FlagGT_UGT) yes no)
 11470  		// result: (First yes no)
 11471  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11472  			b.Reset(BlockFirst)
 11473  			return true
 11474  		}
 11475  	case Block386UGT:
 11476  		// match: (UGT (InvertFlags cmp) yes no)
 11477  		// result: (ULT cmp yes no)
 11478  		for b.Controls[0].Op == Op386InvertFlags {
 11479  			v_0 := b.Controls[0]
 11480  			cmp := v_0.Args[0]
 11481  			b.resetWithControl(Block386ULT, cmp)
 11482  			return true
 11483  		}
 11484  		// match: (UGT (FlagEQ) yes no)
 11485  		// result: (First no yes)
 11486  		for b.Controls[0].Op == Op386FlagEQ {
 11487  			b.Reset(BlockFirst)
 11488  			b.swapSuccessors()
 11489  			return true
 11490  		}
 11491  		// match: (UGT (FlagLT_ULT) yes no)
 11492  		// result: (First no yes)
 11493  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11494  			b.Reset(BlockFirst)
 11495  			b.swapSuccessors()
 11496  			return true
 11497  		}
 11498  		// match: (UGT (FlagLT_UGT) yes no)
 11499  		// result: (First yes no)
 11500  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11501  			b.Reset(BlockFirst)
 11502  			return true
 11503  		}
 11504  		// match: (UGT (FlagGT_ULT) yes no)
 11505  		// result: (First no yes)
 11506  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11507  			b.Reset(BlockFirst)
 11508  			b.swapSuccessors()
 11509  			return true
 11510  		}
 11511  		// match: (UGT (FlagGT_UGT) yes no)
 11512  		// result: (First yes no)
 11513  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11514  			b.Reset(BlockFirst)
 11515  			return true
 11516  		}
 11517  	case Block386ULE:
 11518  		// match: (ULE (InvertFlags cmp) yes no)
 11519  		// result: (UGE cmp yes no)
 11520  		for b.Controls[0].Op == Op386InvertFlags {
 11521  			v_0 := b.Controls[0]
 11522  			cmp := v_0.Args[0]
 11523  			b.resetWithControl(Block386UGE, cmp)
 11524  			return true
 11525  		}
 11526  		// match: (ULE (FlagEQ) yes no)
 11527  		// result: (First yes no)
 11528  		for b.Controls[0].Op == Op386FlagEQ {
 11529  			b.Reset(BlockFirst)
 11530  			return true
 11531  		}
 11532  		// match: (ULE (FlagLT_ULT) yes no)
 11533  		// result: (First yes no)
 11534  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11535  			b.Reset(BlockFirst)
 11536  			return true
 11537  		}
 11538  		// match: (ULE (FlagLT_UGT) yes no)
 11539  		// result: (First no yes)
 11540  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11541  			b.Reset(BlockFirst)
 11542  			b.swapSuccessors()
 11543  			return true
 11544  		}
 11545  		// match: (ULE (FlagGT_ULT) yes no)
 11546  		// result: (First yes no)
 11547  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11548  			b.Reset(BlockFirst)
 11549  			return true
 11550  		}
 11551  		// match: (ULE (FlagGT_UGT) yes no)
 11552  		// result: (First no yes)
 11553  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11554  			b.Reset(BlockFirst)
 11555  			b.swapSuccessors()
 11556  			return true
 11557  		}
 11558  	case Block386ULT:
 11559  		// match: (ULT (InvertFlags cmp) yes no)
 11560  		// result: (UGT cmp yes no)
 11561  		for b.Controls[0].Op == Op386InvertFlags {
 11562  			v_0 := b.Controls[0]
 11563  			cmp := v_0.Args[0]
 11564  			b.resetWithControl(Block386UGT, cmp)
 11565  			return true
 11566  		}
 11567  		// match: (ULT (FlagEQ) yes no)
 11568  		// result: (First no yes)
 11569  		for b.Controls[0].Op == Op386FlagEQ {
 11570  			b.Reset(BlockFirst)
 11571  			b.swapSuccessors()
 11572  			return true
 11573  		}
 11574  		// match: (ULT (FlagLT_ULT) yes no)
 11575  		// result: (First yes no)
 11576  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11577  			b.Reset(BlockFirst)
 11578  			return true
 11579  		}
 11580  		// match: (ULT (FlagLT_UGT) yes no)
 11581  		// result: (First no yes)
 11582  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11583  			b.Reset(BlockFirst)
 11584  			b.swapSuccessors()
 11585  			return true
 11586  		}
 11587  		// match: (ULT (FlagGT_ULT) yes no)
 11588  		// result: (First yes no)
 11589  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11590  			b.Reset(BlockFirst)
 11591  			return true
 11592  		}
 11593  		// match: (ULT (FlagGT_UGT) yes no)
 11594  		// result: (First no yes)
 11595  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11596  			b.Reset(BlockFirst)
 11597  			b.swapSuccessors()
 11598  			return true
 11599  		}
 11600  	}
 11601  	return false
 11602  }
 11603  

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