| // Copyright 2013 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package x86 |
| |
| import ( |
| "cmd/compile/internal/gc" |
| "cmd/internal/obj" |
| "cmd/internal/obj/x86" |
| ) |
| |
| const ( |
| LeftRdwr uint32 = gc.LeftRead | gc.LeftWrite |
| RightRdwr uint32 = gc.RightRead | gc.RightWrite |
| ) |
| |
| // This table gives the basic information about instruction |
| // generated by the compiler and processed in the optimizer. |
| // See opt.h for bit definitions. |
| // |
| // Instructions not generated need not be listed. |
| // As an exception to that rule, we typically write down all the |
| // size variants of an operation even if we just use a subset. |
| // |
| // The table is formatted for 8-space tabs. |
| var progtable = [x86.ALAST & obj.AMask]gc.ProgInfo{ |
| obj.ATYPE: {Flags: gc.Pseudo | gc.Skip}, |
| obj.ATEXT: {Flags: gc.Pseudo}, |
| obj.AFUNCDATA: {Flags: gc.Pseudo}, |
| obj.APCDATA: {Flags: gc.Pseudo}, |
| obj.AUNDEF: {Flags: gc.Break}, |
| obj.AUSEFIELD: {Flags: gc.OK}, |
| obj.AVARDEF: {Flags: gc.Pseudo | gc.RightWrite}, |
| obj.AVARKILL: {Flags: gc.Pseudo | gc.RightWrite}, |
| obj.AVARLIVE: {Flags: gc.Pseudo | gc.LeftRead}, |
| |
| // NOP is an internal no-op that also stands |
| // for USED and SET annotations, not the Intel opcode. |
| obj.ANOP: {Flags: gc.LeftRead | gc.RightWrite}, |
| x86.AADCL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry | gc.UseCarry}, |
| x86.AADCW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry | gc.UseCarry}, |
| x86.AADDB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AADDL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AADDW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AADDSD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | RightRdwr}, |
| x86.AADDSS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | RightRdwr}, |
| x86.AANDB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AANDL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AANDW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| obj.ACALL: {Flags: gc.RightAddr | gc.Call | gc.KillCarry}, |
| x86.ACDQ & obj.AMask: {Flags: gc.OK}, |
| x86.ACWD & obj.AMask: {Flags: gc.OK}, |
| x86.ACLD & obj.AMask: {Flags: gc.OK}, |
| x86.ASTD & obj.AMask: {Flags: gc.OK}, |
| x86.ACMPB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ACMPL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ACMPW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ACOMISD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ACOMISS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ACVTSD2SL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTSD2SS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTSL2SD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTSL2SS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTSS2SD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTSS2SL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTTSD2SL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ACVTTSS2SL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.ADECB & obj.AMask: {Flags: gc.SizeB | RightRdwr}, |
| x86.ADECL & obj.AMask: {Flags: gc.SizeL | RightRdwr}, |
| x86.ADECW & obj.AMask: {Flags: gc.SizeW | RightRdwr}, |
| x86.ADIVB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.SetCarry}, |
| x86.ADIVL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.SetCarry}, |
| x86.ADIVW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.SetCarry}, |
| x86.ADIVSD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | RightRdwr}, |
| x86.ADIVSS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | RightRdwr}, |
| x86.AFLDCW & obj.AMask: {Flags: gc.SizeW | gc.LeftAddr}, |
| x86.AFSTCW & obj.AMask: {Flags: gc.SizeW | gc.RightAddr}, |
| x86.AFSTSW & obj.AMask: {Flags: gc.SizeW | gc.RightAddr | gc.RightWrite}, |
| x86.AFADDD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFADDDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFADDF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | RightRdwr}, |
| x86.AFCOMD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | gc.RightRead}, |
| x86.AFCOMDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | gc.RightRead}, |
| x86.AFCOMDPP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | gc.RightRead}, |
| x86.AFCOMF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | gc.RightRead}, |
| x86.AFCOMFP & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | gc.RightRead}, |
| // NOTE(khr): don't use FUCOMI* instructions, not available |
| // on Pentium MMX. See issue 13923. |
| //x86.AFUCOMIP&obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | gc.RightRead}, |
| x86.AFUCOMP & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightRead}, |
| x86.AFUCOMPP & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightRead}, |
| x86.AFCHS & obj.AMask: {Flags: gc.SizeD | RightRdwr}, // also SizeF |
| |
| x86.AFDIVDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFDIVF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | RightRdwr}, |
| x86.AFDIVD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFDIVRDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFDIVRF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | RightRdwr}, |
| x86.AFDIVRD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFXCHD & obj.AMask: {Flags: gc.SizeD | LeftRdwr | RightRdwr}, |
| x86.AFSUBD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFSUBDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFSUBF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | RightRdwr}, |
| x86.AFSUBRD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFSUBRDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFSUBRF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | RightRdwr}, |
| x86.AFMOVD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | gc.RightWrite}, |
| x86.AFMOVF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | gc.RightWrite}, |
| x86.AFMOVL & obj.AMask: {Flags: gc.SizeL | gc.LeftAddr | gc.RightWrite}, |
| x86.AFMOVW & obj.AMask: {Flags: gc.SizeW | gc.LeftAddr | gc.RightWrite}, |
| x86.AFMOVV & obj.AMask: {Flags: gc.SizeQ | gc.LeftAddr | gc.RightWrite}, |
| |
| // These instructions are marked as RightAddr |
| // so that the register optimizer does not try to replace the |
| // memory references with integer register references. |
| // But they do not use the previous value at the address, so |
| // we also mark them RightWrite. |
| x86.AFMOVDP & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.RightAddr}, |
| x86.AFMOVFP & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.RightAddr}, |
| x86.AFMOVLP & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.RightAddr}, |
| x86.AFMOVWP & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.RightAddr}, |
| x86.AFMOVVP & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.RightAddr}, |
| x86.AFMULD & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFMULDP & obj.AMask: {Flags: gc.SizeD | gc.LeftAddr | RightRdwr}, |
| x86.AFMULF & obj.AMask: {Flags: gc.SizeF | gc.LeftAddr | RightRdwr}, |
| x86.AIDIVB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.SetCarry}, |
| x86.AIDIVL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.SetCarry}, |
| x86.AIDIVW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.SetCarry}, |
| x86.AIMULB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.SetCarry}, |
| x86.AIMULL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.ImulAXDX | gc.SetCarry}, |
| x86.AIMULW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.ImulAXDX | gc.SetCarry}, |
| x86.AINCB & obj.AMask: {Flags: gc.SizeB | RightRdwr}, |
| x86.AINCL & obj.AMask: {Flags: gc.SizeL | RightRdwr}, |
| x86.AINCW & obj.AMask: {Flags: gc.SizeW | RightRdwr}, |
| x86.AJCC & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJCS & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJEQ & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJGE & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJGT & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJHI & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJLE & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJLS & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJLT & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJMI & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJNE & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJOC & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJOS & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJPC & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJPL & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| x86.AJPS & obj.AMask: {Flags: gc.Cjmp | gc.UseCarry}, |
| obj.AJMP: {Flags: gc.Jump | gc.Break | gc.KillCarry}, |
| x86.ALEAW & obj.AMask: {Flags: gc.LeftAddr | gc.RightWrite}, |
| x86.ALEAL & obj.AMask: {Flags: gc.LeftAddr | gc.RightWrite}, |
| x86.AMOVBLSX & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.AMOVBLZX & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.AMOVBWSX & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.AMOVBWZX & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.AMOVWLSX & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.AMOVWLZX & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, |
| x86.AMOVB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.RightWrite | gc.Move}, |
| x86.AMOVL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Move}, |
| x86.AMOVW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.Move}, |
| x86.AMOVSB & obj.AMask: {Flags: gc.OK}, |
| x86.AMOVSL & obj.AMask: {Flags: gc.OK}, |
| x86.AMOVSW & obj.AMask: {Flags: gc.OK}, |
| obj.ADUFFCOPY: {Flags: gc.OK}, |
| x86.AMOVSD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Move}, |
| x86.AMOVSS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Move}, |
| |
| // We use MOVAPD as a faster synonym for MOVSD. |
| x86.AMOVAPD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Move}, |
| x86.AMULB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.SetCarry}, |
| x86.AMULL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.SetCarry}, |
| x86.AMULW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.SetCarry}, |
| x86.AMULSD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | RightRdwr}, |
| x86.AMULSS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | RightRdwr}, |
| x86.ANEGB & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.SetCarry}, |
| x86.ANEGL & obj.AMask: {Flags: gc.SizeL | RightRdwr | gc.SetCarry}, |
| x86.ANEGW & obj.AMask: {Flags: gc.SizeW | RightRdwr | gc.SetCarry}, |
| x86.ANOTB & obj.AMask: {Flags: gc.SizeB | RightRdwr}, |
| x86.ANOTL & obj.AMask: {Flags: gc.SizeL | RightRdwr}, |
| x86.ANOTW & obj.AMask: {Flags: gc.SizeW | RightRdwr}, |
| x86.AORB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AORL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AORW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.APOPL & obj.AMask: {Flags: gc.SizeL | gc.RightWrite}, |
| x86.APUSHL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead}, |
| x86.APXOR & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | RightRdwr}, |
| x86.ARCLB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry | gc.UseCarry}, |
| x86.ARCLL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry | gc.UseCarry}, |
| x86.ARCLW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry | gc.UseCarry}, |
| x86.ARCRB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry | gc.UseCarry}, |
| x86.ARCRL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry | gc.UseCarry}, |
| x86.ARCRW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry | gc.UseCarry}, |
| x86.AREP & obj.AMask: {Flags: gc.OK}, |
| x86.AREPN & obj.AMask: {Flags: gc.OK}, |
| obj.ARET: {Flags: gc.Break | gc.KillCarry}, |
| x86.AROLB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.AROLL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.AROLW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ARORB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ARORL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ARORW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASAHF & obj.AMask: {Flags: gc.OK}, |
| x86.ASALB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASALL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASALW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASARB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASARL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASARW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASBBB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.SetCarry | gc.UseCarry}, |
| x86.ASBBL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry | gc.UseCarry}, |
| x86.ASBBW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry | gc.UseCarry}, |
| x86.ASETCC & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETCS & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETEQ & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETGE & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETGT & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETHI & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETLE & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETLS & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETLT & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETMI & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETNE & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETOC & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETOS & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETPC & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETPL & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASETPS & obj.AMask: {Flags: gc.SizeB | RightRdwr | gc.UseCarry}, |
| x86.ASHLB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASHLL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASHLW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASHRB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASHRL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASHRW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.ShiftCX | gc.SetCarry}, |
| x86.ASTOSB & obj.AMask: {Flags: gc.OK}, |
| x86.ASTOSL & obj.AMask: {Flags: gc.OK}, |
| x86.ASTOSW & obj.AMask: {Flags: gc.OK}, |
| obj.ADUFFZERO: {Flags: gc.OK}, |
| x86.ASUBB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.ASUBL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.ASUBW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.ASUBSD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | RightRdwr}, |
| x86.ASUBSS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | RightRdwr}, |
| x86.ATESTB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ATESTL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.ATESTW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightRead | gc.SetCarry}, |
| x86.AUCOMISD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightRead}, |
| x86.AUCOMISS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightRead}, |
| x86.AXCHGB & obj.AMask: {Flags: gc.SizeB | LeftRdwr | RightRdwr}, |
| x86.AXCHGL & obj.AMask: {Flags: gc.SizeL | LeftRdwr | RightRdwr}, |
| x86.AXCHGW & obj.AMask: {Flags: gc.SizeW | LeftRdwr | RightRdwr}, |
| x86.AXORB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AXORL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| x86.AXORW & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | RightRdwr | gc.SetCarry}, |
| } |
| |
| func proginfo(p *obj.Prog) gc.ProgInfo { |
| info := progtable[p.As&obj.AMask] |
| if info.Flags == 0 { |
| gc.Fatalf("unknown instruction %v", p) |
| } |
| |
| if info.Flags&gc.ImulAXDX != 0 && p.To.Type != obj.TYPE_NONE { |
| info.Flags |= RightRdwr |
| } |
| |
| return info |
| } |