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llvm/lib/Target/X86/X86InstrInfo.td
Evan Cheng 11e15b38e9 - More efficient extract_vector_elt with shuffle and movss, movsd, movd, etc. 
- Some bug fixes and naming inconsistency fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27377 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-03 20:53:28 +00:00

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//===- X86InstrInfo.td - Describe the X86 Instruction Set -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the X86 instruction set, defining the instructions, and
// properties of the instructions which are needed for code generation, machine
// code emission, and analysis.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// X86 specific DAG Nodes.
//
def SDTIntShiftDOp: SDTypeProfile<1, 3,
[SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
SDTCisInt<0>, SDTCisInt<3>]>;
def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
def SDTX86Cmov : SDTypeProfile<1, 3,
[SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
SDTCisVT<3, i8>]>;
def SDTX86BrCond : SDTypeProfile<0, 2,
[SDTCisVT<0, OtherVT>, SDTCisVT<1, i8>]>;
def SDTX86SetCC : SDTypeProfile<1, 1,
[SDTCisVT<0, i8>, SDTCisVT<1, i8>]>;
def SDTX86Ret : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
def SDT_X86CallSeqStart : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
def SDT_X86CallSeqEnd : SDTypeProfile<0, 2, [ SDTCisVT<0, i32>,
SDTCisVT<1, i32> ]>;
def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest,
[SDNPOutFlag]>;
def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest,
[SDNPOutFlag]>;
def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
[SDNPInFlag, SDNPOutFlag]>;
def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
[SDNPHasChain, SDNPInFlag]>;
def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
[SDNPInFlag, SDNPOutFlag]>;
def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
[SDNPHasChain, SDNPOptInFlag]>;
def X86callseq_start :
SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
[SDNPHasChain]>;
def X86callseq_end :
SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
[SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
[SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
[SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
[SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
[SDNPHasChain, SDNPOutFlag]>;
def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
//===----------------------------------------------------------------------===//
// X86 Operand Definitions.
//
// *mem - Operand definitions for the funky X86 addressing mode operands.
//
class X86MemOperand<string printMethod> : Operand<i32> {
let PrintMethod = printMethod;
let NumMIOperands = 4;
let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
}
def i8mem : X86MemOperand<"printi8mem">;
def i16mem : X86MemOperand<"printi16mem">;
def i32mem : X86MemOperand<"printi32mem">;
def i64mem : X86MemOperand<"printi64mem">;
def i128mem : X86MemOperand<"printi128mem">;
def f32mem : X86MemOperand<"printf32mem">;
def f64mem : X86MemOperand<"printf64mem">;
def f128mem : X86MemOperand<"printf128mem">;
def SSECC : Operand<i8> {
let PrintMethod = "printSSECC";
}
def piclabel: Operand<i32> {
let PrintMethod = "printPICLabel";
}
// A couple of more descriptive operand definitions.
// 16-bits but only 8 bits are significant.
def i16i8imm : Operand<i16>;
// 32-bits but only 8 bits are significant.
def i32i8imm : Operand<i32>;
// Branch targets have OtherVT type.
def brtarget : Operand<OtherVT>;
//===----------------------------------------------------------------------===//
// X86 Complex Pattern Definitions.
//
// Define X86 specific addressing mode.
def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
[add, mul, shl, frameindex]>;
//===----------------------------------------------------------------------===//
// X86 Instruction Format Definitions.
//
// Format specifies the encoding used by the instruction. This is part of the
// ad-hoc solution used to emit machine instruction encodings by our machine
// code emitter.
class Format<bits<6> val> {
bits<6> Value = val;
}
def Pseudo : Format<0>; def RawFrm : Format<1>;
def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
def MRMSrcMem : Format<6>;
def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
def MRM6r : Format<22>; def MRM7r : Format<23>;
def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
def MRM6m : Format<30>; def MRM7m : Format<31>;
def MRMInitReg : Format<32>;
//===----------------------------------------------------------------------===//
// X86 Instruction Predicate Definitions.
def HasMMX : Predicate<"Subtarget->hasMMX()">;
def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
def FPStack : Predicate<"!Subtarget->hasSSE2()">;
//===----------------------------------------------------------------------===//
// X86 specific pattern fragments.
//
// ImmType - This specifies the immediate type used by an instruction. This is
// part of the ad-hoc solution used to emit machine instruction encodings by our
// machine code emitter.
class ImmType<bits<2> val> {
bits<2> Value = val;
}
def NoImm : ImmType<0>;
def Imm8 : ImmType<1>;
def Imm16 : ImmType<2>;
def Imm32 : ImmType<3>;
// FPFormat - This specifies what form this FP instruction has. This is used by
// the Floating-Point stackifier pass.
class FPFormat<bits<3> val> {
bits<3> Value = val;
}
def NotFP : FPFormat<0>;
def ZeroArgFP : FPFormat<1>;
def OneArgFP : FPFormat<2>;
def OneArgFPRW : FPFormat<3>;
def TwoArgFP : FPFormat<4>;
def CompareFP : FPFormat<5>;
def CondMovFP : FPFormat<6>;
def SpecialFP : FPFormat<7>;
class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
: Instruction {
let Namespace = "X86";
bits<8> Opcode = opcod;
Format Form = f;
bits<6> FormBits = Form.Value;
ImmType ImmT = i;
bits<2> ImmTypeBits = ImmT.Value;
dag OperandList = ops;
string AsmString = AsmStr;
//
// Attributes specific to X86 instructions...
//
bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
bits<4> Prefix = 0; // Which prefix byte does this inst have?
FPFormat FPForm; // What flavor of FP instruction is this?
bits<3> FPFormBits = 0;
}
class Imp<list<Register> uses, list<Register> defs> {
list<Register> Uses = uses;
list<Register> Defs = defs;
}
// Prefix byte classes which are used to indicate to the ad-hoc machine code
// emitter that various prefix bytes are required.
class OpSize { bit hasOpSizePrefix = 1; }
class TB { bits<4> Prefix = 1; }
class REP { bits<4> Prefix = 2; }
class D8 { bits<4> Prefix = 3; }
class D9 { bits<4> Prefix = 4; }
class DA { bits<4> Prefix = 5; }
class DB { bits<4> Prefix = 6; }
class DC { bits<4> Prefix = 7; }
class DD { bits<4> Prefix = 8; }
class DE { bits<4> Prefix = 9; }
class DF { bits<4> Prefix = 10; }
class XD { bits<4> Prefix = 11; }
class XS { bits<4> Prefix = 12; }
//===----------------------------------------------------------------------===//
// Pattern fragments...
//
// X86 specific condition code. These correspond to CondCode in
// X86ISelLowering.h. They must be kept in synch.
def X86_COND_A : PatLeaf<(i8 0)>;
def X86_COND_AE : PatLeaf<(i8 1)>;
def X86_COND_B : PatLeaf<(i8 2)>;
def X86_COND_BE : PatLeaf<(i8 3)>;
def X86_COND_E : PatLeaf<(i8 4)>;
def X86_COND_G : PatLeaf<(i8 5)>;
def X86_COND_GE : PatLeaf<(i8 6)>;
def X86_COND_L : PatLeaf<(i8 7)>;
def X86_COND_LE : PatLeaf<(i8 8)>;
def X86_COND_NE : PatLeaf<(i8 9)>;
def X86_COND_NO : PatLeaf<(i8 10)>;
def X86_COND_NP : PatLeaf<(i8 11)>;
def X86_COND_NS : PatLeaf<(i8 12)>;
def X86_COND_O : PatLeaf<(i8 13)>;
def X86_COND_P : PatLeaf<(i8 14)>;
def X86_COND_S : PatLeaf<(i8 15)>;
def i16immSExt8 : PatLeaf<(i16 imm), [{
// i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
// sign extended field.
return (int)N->getValue() == (signed char)N->getValue();
}]>;
def i32immSExt8 : PatLeaf<(i32 imm), [{
// i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
// sign extended field.
return (int)N->getValue() == (signed char)N->getValue();
}]>;
def i16immZExt8 : PatLeaf<(i16 imm), [{
// i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
// extended field.
return (unsigned)N->getValue() == (unsigned char)N->getValue();
}]>;
// Helper fragments for loads.
def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextload node:$ptr, i1))>;
def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
//===----------------------------------------------------------------------===//
// Instruction templates...
class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
: X86Inst<o, f, NoImm, ops, asm> {
let Pattern = pattern;
}
class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
: X86Inst<o, f, Imm8 , ops, asm> {
let Pattern = pattern;
}
class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
: X86Inst<o, f, Imm16, ops, asm> {
let Pattern = pattern;
}
class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
: X86Inst<o, f, Imm32, ops, asm> {
let Pattern = pattern;
}
//===----------------------------------------------------------------------===//
// Instruction list...
//
def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
[(X86callseq_start imm:$amt)]>;
def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
"#ADJCALLSTACKUP",
[(X86callseq_end imm:$amt1, imm:$amt2)]>;
def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
def IMPLICIT_DEF_R8 : I<0, Pseudo, (ops R8:$dst),
"#IMPLICIT_DEF $dst",
[(set R8:$dst, (undef))]>;
def IMPLICIT_DEF_R16 : I<0, Pseudo, (ops R16:$dst),
"#IMPLICIT_DEF $dst",
[(set R16:$dst, (undef))]>;
def IMPLICIT_DEF_R32 : I<0, Pseudo, (ops R32:$dst),
"#IMPLICIT_DEF $dst",
[(set R32:$dst, (undef))]>;
// Nop
def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
//===----------------------------------------------------------------------===//
// Control Flow Instructions...
//
// Return instructions.
let isTerminator = 1, isReturn = 1, isBarrier = 1,
hasCtrlDep = 1, noResults = 1 in {
def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
[(X86retflag imm:$amt)]>;
}
// All branches are RawFrm, Void, Branch, and Terminators
let isBranch = 1, isTerminator = 1, noResults = 1 in
class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
I<opcode, RawFrm, ops, asm, pattern>;
// Conditional branches
let isBarrier = 1 in
def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
[(X86brcond bb:$dst, X86_COND_E)]>, TB;
def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
[(X86brcond bb:$dst, X86_COND_NE)]>, TB;
def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
[(X86brcond bb:$dst, X86_COND_L)]>, TB;
def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
[(X86brcond bb:$dst, X86_COND_LE)]>, TB;
def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
[(X86brcond bb:$dst, X86_COND_G)]>, TB;
def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
[(X86brcond bb:$dst, X86_COND_GE)]>, TB;
def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
[(X86brcond bb:$dst, X86_COND_B)]>, TB;
def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
[(X86brcond bb:$dst, X86_COND_BE)]>, TB;
def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
[(X86brcond bb:$dst, X86_COND_A)]>, TB;
def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
[(X86brcond bb:$dst, X86_COND_AE)]>, TB;
def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
[(X86brcond bb:$dst, X86_COND_S)]>, TB;
def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
[(X86brcond bb:$dst, X86_COND_NS)]>, TB;
def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
[(X86brcond bb:$dst, X86_COND_P)]>, TB;
def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
[(X86brcond bb:$dst, X86_COND_NP)]>, TB;
def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
[(X86brcond bb:$dst, X86_COND_O)]>, TB;
def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
[(X86brcond bb:$dst, X86_COND_NO)]>, TB;
//===----------------------------------------------------------------------===//
// Call Instructions...
//
let isCall = 1, noResults = 1 in
// All calls clobber the non-callee saved registers...
let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
def CALLpcrel32 : I<0xE8, RawFrm, (ops i32imm:$dst), "call ${dst:call}",
[]>;
def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
[(X86call R32:$dst)]>;
def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
[(X86call (loadi32 addr:$dst))]>;
}
// Tail call stuff.
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
def TAILJMPd : IBr<0xE9, (ops i32imm:$dst), "jmp ${dst:call} # TAIL CALL", []>;
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
"jmp {*}$dst # TAIL CALL", []>;
// ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
// way, except that it is marked as being a terminator. This causes the epilog
// inserter to insert reloads of callee saved registers BEFORE this. We need
// this until we have a more accurate way of tracking where the stack pointer is
// within a function.
let isTerminator = 1, isTwoAddress = 1 in
def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}", []>;
//===----------------------------------------------------------------------===//
// Miscellaneous Instructions...
//
def LEAVE : I<0xC9, RawFrm,
(ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
def POP32r : I<0x58, AddRegFrm,
(ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
def MovePCtoStack : I<0, Pseudo, (ops piclabel:$label),
"call $label", []>;
let isTwoAddress = 1 in // R32 = bswap R32
def BSWAP32r : I<0xC8, AddRegFrm,
(ops R32:$dst, R32:$src),
"bswap{l} $dst",
[(set R32:$dst, (bswap R32:$src))]>, TB;
def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
(ops R8:$src1, R8:$src2),
"xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
(ops R16:$src1, R16:$src2),
"xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
(ops R32:$src1, R32:$src2),
"xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
def XCHG8mr : I<0x86, MRMDestMem,
(ops i8mem:$src1, R8:$src2),
"xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
def XCHG16mr : I<0x87, MRMDestMem,
(ops i16mem:$src1, R16:$src2),
"xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
def XCHG32mr : I<0x87, MRMDestMem,
(ops i32mem:$src1, R32:$src2),
"xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
def XCHG8rm : I<0x86, MRMSrcMem,
(ops R8:$src1, i8mem:$src2),
"xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
def XCHG16rm : I<0x87, MRMSrcMem,
(ops R16:$src1, i16mem:$src2),
"xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
def XCHG32rm : I<0x87, MRMSrcMem,
(ops R32:$src1, i32mem:$src2),
"xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
def LEA16r : I<0x8D, MRMSrcMem,
(ops R16:$dst, i32mem:$src),
"lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
def LEA32r : I<0x8D, MRMSrcMem,
(ops R32:$dst, i32mem:$src),
"lea{l} {$src|$dst}, {$dst|$src}",
[(set R32:$dst, leaaddr:$src)]>;
def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
[(X86rep_movs i8)]>,
Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
[(X86rep_movs i16)]>,
Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}",
[(X86rep_movs i32)]>,
Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
[(X86rep_stos i8)]>,
Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
[(X86rep_stos i16)]>,
Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
[(X86rep_stos i32)]>,
Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
//===----------------------------------------------------------------------===//
// Input/Output Instructions...
//
def IN8rr : I<0xEC, RawFrm, (ops),
"in{b} {%dx, %al|%AL, %DX}",
[]>, Imp<[DX], [AL]>;
def IN16rr : I<0xED, RawFrm, (ops),
"in{w} {%dx, %ax|%AX, %DX}",
[]>, Imp<[DX], [AX]>, OpSize;
def IN32rr : I<0xED, RawFrm, (ops),
"in{l} {%dx, %eax|%EAX, %DX}",
[]>, Imp<[DX],[EAX]>;
def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
"in{b} {$port, %al|%AL, $port}",
[]>,
Imp<[], [AL]>;
def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
"in{w} {$port, %ax|%AX, $port}",
[]>,
Imp<[], [AX]>, OpSize;
def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
"in{l} {$port, %eax|%EAX, $port}",
[]>,
Imp<[],[EAX]>;
def OUT8rr : I<0xEE, RawFrm, (ops),
"out{b} {%al, %dx|%DX, %AL}",
[]>, Imp<[DX, AL], []>;
def OUT16rr : I<0xEF, RawFrm, (ops),
"out{w} {%ax, %dx|%DX, %AX}",
[]>, Imp<[DX, AX], []>, OpSize;
def OUT32rr : I<0xEF, RawFrm, (ops),
"out{l} {%eax, %dx|%DX, %EAX}",
[]>, Imp<[DX, EAX], []>;
def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
"out{b} {%al, $port|$port, %AL}",
[]>,
Imp<[AL], []>;
def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
"out{w} {%ax, $port|$port, %AX}",
[]>,
Imp<[AX], []>, OpSize;
def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
"out{l} {%eax, $port|$port, %EAX}",
[]>,
Imp<[EAX], []>;
//===----------------------------------------------------------------------===//
// Move Instructions...
//
def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
"mov{b} {$src, $dst|$dst, $src}", []>;
def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
"mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
"mov{l} {$src, $dst|$dst, $src}", []>;
def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
"mov{b} {$src, $dst|$dst, $src}",
[(set R8:$dst, imm:$src)]>;
def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
"mov{w} {$src, $dst|$dst, $src}",
[(set R16:$dst, imm:$src)]>, OpSize;
def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
"mov{l} {$src, $dst|$dst, $src}",
[(set R32:$dst, imm:$src)]>;
def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
"mov{b} {$src, $dst|$dst, $src}",
[(store (i8 imm:$src), addr:$dst)]>;
def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
"mov{w} {$src, $dst|$dst, $src}",
[(store (i16 imm:$src), addr:$dst)]>, OpSize;
def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
"mov{l} {$src, $dst|$dst, $src}",
[(store (i32 imm:$src), addr:$dst)]>;
def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
"mov{b} {$src, $dst|$dst, $src}",
[(set R8:$dst, (load addr:$src))]>;
def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
"mov{w} {$src, $dst|$dst, $src}",
[(set R16:$dst, (load addr:$src))]>, OpSize;
def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
"mov{l} {$src, $dst|$dst, $src}",
[(set R32:$dst, (load addr:$src))]>;
def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
"mov{b} {$src, $dst|$dst, $src}",
[(store R8:$src, addr:$dst)]>;
def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
"mov{w} {$src, $dst|$dst, $src}",
[(store R16:$src, addr:$dst)]>, OpSize;
def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
"mov{l} {$src, $dst|$dst, $src}",
[(store R32:$src, addr:$dst)]>;
//===----------------------------------------------------------------------===//
// Fixed-Register Multiplication and Division Instructions...
//
// Extra precision multiplication
def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src",
// FIXME: Used for 8-bit mul, ignore result upper 8 bits.
// This probably ought to be moved to a def : Pat<> if the
// syntax can be accepted.
[(set AL, (mul AL, R8:$src))]>,
Imp<[AL],[AX]>; // AL,AH = AL*R8
def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
"mul{b} $src",
// FIXME: Used for 8-bit mul, ignore result upper 8 bits.
// This probably ought to be moved to a def : Pat<> if the
// syntax can be accepted.
[(set AL, (mul AL, (loadi8 addr:$src)))]>,
Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
"mul{w} $src", []>, Imp<[AX],[AX,DX]>,
OpSize; // AX,DX = AX*[mem16]
def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
"mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
Imp<[AL],[AX]>; // AL,AH = AL*R8
def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
"imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
"imul{w} $src", []>, Imp<[AX],[AX,DX]>,
OpSize; // AX,DX = AX*[mem16]
def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
"imul{l} $src", []>,
Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
// unsigned division/remainder
def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
"div{b} $src", []>, Imp<[AX],[AX]>;
def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
"div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
"div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
"div{b} $src", []>, Imp<[AX],[AX]>;
def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
"div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
"div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
// Signed division/remainder.
def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
"idiv{b} $src", []>, Imp<[AX],[AX]>;
def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
"idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
"idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
"idiv{b} $src", []>, Imp<[AX],[AX]>;
def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
"idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
"idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
// Sign-extenders for division.
def CBW : I<0x98, RawFrm, (ops),
"{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
def CWD : I<0x99, RawFrm, (ops),
"{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
def CDQ : I<0x99, RawFrm, (ops),
"{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
//===----------------------------------------------------------------------===//
// Two address Instructions...
//
let isTwoAddress = 1 in {
// Conditional moves
def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovb {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_B))]>,
TB, OpSize;
def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovb {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_B))]>,
TB, OpSize;
def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovb {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_B))]>,
TB;
def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovb {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_B))]>,
TB;
def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovae {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_AE))]>,
TB, OpSize;
def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovae {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_AE))]>,
TB, OpSize;
def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovae {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_AE))]>,
TB;
def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovae {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_AE))]>,
TB;
def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmove {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_E))]>,
TB, OpSize;
def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmove {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_E))]>,
TB, OpSize;
def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmove {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_E))]>,
TB;
def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmove {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_E))]>,
TB;
def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovne {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_NE))]>,
TB, OpSize;
def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovne {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_NE))]>,
TB, OpSize;
def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovne {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_NE))]>,
TB;
def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovne {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_NE))]>,
TB;
def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovbe {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_BE))]>,
TB, OpSize;
def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovbe {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_BE))]>,
TB, OpSize;
def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovbe {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_BE))]>,
TB;
def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovbe {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_BE))]>,
TB;
def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmova {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_A))]>,
TB, OpSize;
def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmova {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_A))]>,
TB, OpSize;
def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmova {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_A))]>,
TB;
def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmova {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_A))]>,
TB;
def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovl {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_L))]>,
TB, OpSize;
def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovl {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_L))]>,
TB, OpSize;
def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovl {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_L))]>,
TB;
def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovl {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_L))]>,
TB;
def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovge {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_GE))]>,
TB, OpSize;
def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovge {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_GE))]>,
TB, OpSize;
def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovge {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_GE))]>,
TB;
def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovge {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_GE))]>,
TB;
def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovle {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_LE))]>,
TB, OpSize;
def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovle {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_LE))]>,
TB, OpSize;
def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovle {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_LE))]>,
TB;
def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovle {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_LE))]>,
TB;
def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovg {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_G))]>,
TB, OpSize;
def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovg {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_G))]>,
TB, OpSize;
def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovg {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_G))]>,
TB;
def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovg {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_G))]>,
TB;
def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovs {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_S))]>,
TB, OpSize;
def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovs {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_S))]>,
TB, OpSize;
def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovs {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_S))]>,
TB;
def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovs {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_S))]>,
TB;
def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovns {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_NS))]>,
TB, OpSize;
def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovns {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_NS))]>,
TB, OpSize;
def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovns {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_NS))]>,
TB;
def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovns {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_NS))]>,
TB;
def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovp {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_P))]>,
TB, OpSize;
def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovp {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_P))]>,
TB, OpSize;
def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovp {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_P))]>,
TB;
def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovp {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_P))]>,
TB;
def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
(ops R16:$dst, R16:$src1, R16:$src2),
"cmovnp {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
X86_COND_NP))]>,
TB, OpSize;
def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
(ops R16:$dst, R16:$src1, i16mem:$src2),
"cmovnp {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
X86_COND_NP))]>,
TB, OpSize;
def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
(ops R32:$dst, R32:$src1, R32:$src2),
"cmovnp {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
X86_COND_NP))]>,
TB;
def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
(ops R32:$dst, R32:$src1, i32mem:$src2),
"cmovnp {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
X86_COND_NP))]>,
TB;
// unary instructions
def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
[(set R8:$dst, (ineg R8:$src))]>;
def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
[(set R16:$dst, (ineg R16:$src))]>, OpSize;
def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
[(set R32:$dst, (ineg R32:$src))]>;
let isTwoAddress = 0 in {
def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
[(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
[(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
[(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
}
def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
[(set R8:$dst, (not R8:$src))]>;
def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
[(set R16:$dst, (not R16:$src))]>, OpSize;
def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
[(set R32:$dst, (not R32:$src))]>;
let isTwoAddress = 0 in {
def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
[(store (not (loadi8 addr:$dst)), addr:$dst)]>;
def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
[(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
[(store (not (loadi32 addr:$dst)), addr:$dst)]>;
}
// TODO: inc/dec is slow for P4, but fast for Pentium-M.
def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
[(set R8:$dst, (add R8:$src, 1))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
[(set R16:$dst, (add R16:$src, 1))]>, OpSize;
def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
[(set R32:$dst, (add R32:$src, 1))]>;
}
let isTwoAddress = 0 in {
def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
[(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
[(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
[(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
}
def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
[(set R8:$dst, (add R8:$src, -1))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
[(set R16:$dst, (add R16:$src, -1))]>, OpSize;
def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
[(set R32:$dst, (add R32:$src, -1))]>;
}
let isTwoAddress = 0 in {
def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
[(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
[(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
[(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
}
// Logical operators...
let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
def AND8rr : I<0x20, MRMDestReg,
(ops R8 :$dst, R8 :$src1, R8 :$src2),
"and{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (and R8:$src1, R8:$src2))]>;
def AND16rr : I<0x21, MRMDestReg,
(ops R16:$dst, R16:$src1, R16:$src2),
"and{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
def AND32rr : I<0x21, MRMDestReg,
(ops R32:$dst, R32:$src1, R32:$src2),
"and{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (and R32:$src1, R32:$src2))]>;
}
def AND8rm : I<0x22, MRMSrcMem,
(ops R8 :$dst, R8 :$src1, i8mem :$src2),
"and{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
def AND16rm : I<0x23, MRMSrcMem,
(ops R16:$dst, R16:$src1, i16mem:$src2),
"and{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
def AND32rm : I<0x23, MRMSrcMem,
(ops R32:$dst, R32:$src1, i32mem:$src2),
"and{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
def AND8ri : Ii8<0x80, MRM4r,
(ops R8 :$dst, R8 :$src1, i8imm :$src2),
"and{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (and R8:$src1, imm:$src2))]>;
def AND16ri : Ii16<0x81, MRM4r,
(ops R16:$dst, R16:$src1, i16imm:$src2),
"and{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
def AND32ri : Ii32<0x81, MRM4r,
(ops R32:$dst, R32:$src1, i32imm:$src2),
"and{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (and R32:$src1, imm:$src2))]>;
def AND16ri8 : Ii8<0x83, MRM4r,
(ops R16:$dst, R16:$src1, i16i8imm:$src2),
"and{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
OpSize;
def AND32ri8 : Ii8<0x83, MRM4r,
(ops R32:$dst, R32:$src1, i32i8imm:$src2),
"and{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def AND8mr : I<0x20, MRMDestMem,
(ops i8mem :$dst, R8 :$src),
"and{b} {$src, $dst|$dst, $src}",
[(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
def AND16mr : I<0x21, MRMDestMem,
(ops i16mem:$dst, R16:$src),
"and{w} {$src, $dst|$dst, $src}",
[(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
OpSize;
def AND32mr : I<0x21, MRMDestMem,
(ops i32mem:$dst, R32:$src),
"and{l} {$src, $dst|$dst, $src}",
[(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
def AND8mi : Ii8<0x80, MRM4m,
(ops i8mem :$dst, i8imm :$src),
"and{b} {$src, $dst|$dst, $src}",
[(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
def AND16mi : Ii16<0x81, MRM4m,
(ops i16mem:$dst, i16imm:$src),
"and{w} {$src, $dst|$dst, $src}",
[(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
OpSize;
def AND32mi : Ii32<0x81, MRM4m,
(ops i32mem:$dst, i32imm:$src),
"and{l} {$src, $dst|$dst, $src}",
[(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
def AND16mi8 : Ii8<0x83, MRM4m,
(ops i16mem:$dst, i16i8imm :$src),
"and{w} {$src, $dst|$dst, $src}",
[(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
OpSize;
def AND32mi8 : Ii8<0x83, MRM4m,
(ops i32mem:$dst, i32i8imm :$src),
"and{l} {$src, $dst|$dst, $src}",
[(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
}
let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
"or{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (or R8:$src1, R8:$src2))]>;
def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
"or{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"or{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (or R32:$src1, R32:$src2))]>;
}
def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
"or{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
"or{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
"or{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"or{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (or R8:$src1, imm:$src2))]>;
def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
"or{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"or{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (or R32:$src1, imm:$src2))]>;
def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
"or{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
"or{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
"or{b} {$src, $dst|$dst, $src}",
[(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
"or{w} {$src, $dst|$dst, $src}",
[(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
"or{l} {$src, $dst|$dst, $src}",
[(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
"or{b} {$src, $dst|$dst, $src}",
[(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
"or{w} {$src, $dst|$dst, $src}",
[(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
OpSize;
def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
"or{l} {$src, $dst|$dst, $src}",
[(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
"or{w} {$src, $dst|$dst, $src}",
[(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
OpSize;
def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
"or{l} {$src, $dst|$dst, $src}",
[(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
}
let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
def XOR8rr : I<0x30, MRMDestReg,
(ops R8 :$dst, R8 :$src1, R8 :$src2),
"xor{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
def XOR16rr : I<0x31, MRMDestReg,
(ops R16:$dst, R16:$src1, R16:$src2),
"xor{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
def XOR32rr : I<0x31, MRMDestReg,
(ops R32:$dst, R32:$src1, R32:$src2),
"xor{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
}
def XOR8rm : I<0x32, MRMSrcMem ,
(ops R8 :$dst, R8:$src1, i8mem :$src2),
"xor{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
def XOR16rm : I<0x33, MRMSrcMem ,
(ops R16:$dst, R16:$src1, i16mem:$src2),
"xor{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
def XOR32rm : I<0x33, MRMSrcMem ,
(ops R32:$dst, R32:$src1, i32mem:$src2),
"xor{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
def XOR8ri : Ii8<0x80, MRM6r,
(ops R8:$dst, R8:$src1, i8imm:$src2),
"xor{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
def XOR16ri : Ii16<0x81, MRM6r,
(ops R16:$dst, R16:$src1, i16imm:$src2),
"xor{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
def XOR32ri : Ii32<0x81, MRM6r,
(ops R32:$dst, R32:$src1, i32imm:$src2),
"xor{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
def XOR16ri8 : Ii8<0x83, MRM6r,
(ops R16:$dst, R16:$src1, i16i8imm:$src2),
"xor{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
OpSize;
def XOR32ri8 : Ii8<0x83, MRM6r,
(ops R32:$dst, R32:$src1, i32i8imm:$src2),
"xor{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def XOR8mr : I<0x30, MRMDestMem,
(ops i8mem :$dst, R8 :$src),
"xor{b} {$src, $dst|$dst, $src}",
[(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
def XOR16mr : I<0x31, MRMDestMem,
(ops i16mem:$dst, R16:$src),
"xor{w} {$src, $dst|$dst, $src}",
[(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
OpSize;
def XOR32mr : I<0x31, MRMDestMem,
(ops i32mem:$dst, R32:$src),
"xor{l} {$src, $dst|$dst, $src}",
[(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
def XOR8mi : Ii8<0x80, MRM6m,
(ops i8mem :$dst, i8imm :$src),
"xor{b} {$src, $dst|$dst, $src}",
[(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
def XOR16mi : Ii16<0x81, MRM6m,
(ops i16mem:$dst, i16imm:$src),
"xor{w} {$src, $dst|$dst, $src}",
[(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
OpSize;
def XOR32mi : Ii32<0x81, MRM6m,
(ops i32mem:$dst, i32imm:$src),
"xor{l} {$src, $dst|$dst, $src}",
[(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
def XOR16mi8 : Ii8<0x83, MRM6m,
(ops i16mem:$dst, i16i8imm :$src),
"xor{w} {$src, $dst|$dst, $src}",
[(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
OpSize;
def XOR32mi8 : Ii8<0x83, MRM6m,
(ops i32mem:$dst, i32i8imm :$src),
"xor{l} {$src, $dst|$dst, $src}",
[(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
}
// Shift instructions
def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
"shl{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
"shl{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
"shl{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"shl{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"shl{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"shl{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
}
let isTwoAddress = 0 in {
def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
"shl{b} {%cl, $dst|$dst, %CL}",
[(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
"shl{w} {%cl, $dst|$dst, %CL}",
[(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
"shl{l} {%cl, $dst|$dst, %CL}",
[(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
"shl{b} {$src, $dst|$dst, $src}",
[(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
"shl{w} {$src, $dst|$dst, $src}",
[(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
"shl{l} {$src, $dst|$dst, $src}",
[(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}
def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
"shr{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
"shr{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
"shr{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
"shr{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"shr{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"shr{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
let isTwoAddress = 0 in {
def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
"shr{b} {%cl, $dst|$dst, %CL}",
[(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
"shr{w} {%cl, $dst|$dst, %CL}",
[(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
"shr{l} {%cl, $dst|$dst, %CL}",
[(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
"shr{b} {$src, $dst|$dst, $src}",
[(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
"shr{w} {$src, $dst|$dst, $src}",
[(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
"shr{l} {$src, $dst|$dst, $src}",
[(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}
def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
"sar{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
"sar{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
"sar{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"sar{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"sar{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
OpSize;
def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"sar{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
let isTwoAddress = 0 in {
def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
"sar{b} {%cl, $dst|$dst, %CL}",
[(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
"sar{w} {%cl, $dst|$dst, %CL}",
[(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
"sar{l} {%cl, $dst|$dst, %CL}",
[(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
"sar{b} {$src, $dst|$dst, $src}",
[(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
"sar{w} {$src, $dst|$dst, $src}",
[(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
"sar{l} {$src, $dst|$dst, $src}",
[(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}
// Rotate instructions
// FIXME: provide shorter instructions when imm8 == 1
def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
"rol{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (rotl R8:$src, CL))]>, Imp<[CL],[]>;
def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
"rol{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (rotl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
"rol{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (rotl R32:$src, CL))]>, Imp<[CL],[]>;
def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"rol{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (rotl R8:$src1, (i8 imm:$src2)))]>;
def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"rol{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (rotl R16:$src1, (i8 imm:$src2)))]>, OpSize;
def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"rol{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (rotl R32:$src1, (i8 imm:$src2)))]>;
let isTwoAddress = 0 in {
def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
"rol{b} {%cl, $dst|$dst, %CL}",
[(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
"rol{w} {%cl, $dst|$dst, %CL}",
[(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
"rol{l} {%cl, $dst|$dst, %CL}",
[(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
"rol{b} {$src, $dst|$dst, $src}",
[(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
"rol{w} {$src, $dst|$dst, $src}",
[(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
"rol{l} {$src, $dst|$dst, $src}",
[(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}
def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
"ror{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (rotr R8:$src, CL))]>, Imp<[CL],[]>;
def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
"ror{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (rotr R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
"ror{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (rotr R32:$src, CL))]>, Imp<[CL],[]>;
def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"ror{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (rotr R8:$src1, (i8 imm:$src2)))]>;
def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"ror{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (rotr R16:$src1, (i8 imm:$src2)))]>, OpSize;
def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"ror{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (rotr R32:$src1, (i8 imm:$src2)))]>;
let isTwoAddress = 0 in {
def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
"ror{b} {%cl, $dst|$dst, %CL}",
[(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
"ror{w} {%cl, $dst|$dst, %CL}",
[(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
"ror{l} {%cl, $dst|$dst, %CL}",
[(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
"ror{b} {$src, $dst|$dst, $src}",
[(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
"ror{w} {$src, $dst|$dst, $src}",
[(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
"ror{l} {$src, $dst|$dst, $src}",
[(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}
// Double shift instructions (generalizations of rotate)
def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(set R32:$dst, (X86shld R32:$src1, R32:$src2, CL))]>,
Imp<[CL],[]>, TB;
def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(set R32:$dst, (X86shrd R32:$src1, R32:$src2, CL))]>,
Imp<[CL],[]>, TB;
def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
"shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(set R16:$dst, (X86shld R16:$src1, R16:$src2, CL))]>,
Imp<[CL],[]>, TB, OpSize;
def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
"shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(set R16:$dst, (X86shrd R16:$src1, R16:$src2, CL))]>,
Imp<[CL],[]>, TB, OpSize;
let isCommutable = 1 in { // These instructions commute to each other.
def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
(ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
"shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(set R32:$dst, (X86shld R32:$src1, R32:$src2,
(i8 imm:$src3)))]>,
TB;
def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
(ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
"shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(set R32:$dst, (X86shrd R32:$src1, R32:$src2,
(i8 imm:$src3)))]>,
TB;
def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
(ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
"shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(set R16:$dst, (X86shld R16:$src1, R16:$src2,
(i8 imm:$src3)))]>,
TB, OpSize;
def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
(ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
"shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(set R16:$dst, (X86shrd R16:$src1, R16:$src2,
(i8 imm:$src3)))]>,
TB, OpSize;
}
let isTwoAddress = 0 in {
def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(store (X86shld (loadi32 addr:$dst), R32:$src2, CL),
addr:$dst)]>,
Imp<[CL],[]>, TB;
def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(store (X86shrd (loadi32 addr:$dst), R32:$src2, CL),
addr:$dst)]>,
Imp<[CL],[]>, TB;
def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
(ops i32mem:$dst, R32:$src2, i8imm:$src3),
"shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(store (X86shld (loadi32 addr:$dst), R32:$src2,
(i8 imm:$src3)), addr:$dst)]>,
TB;
def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
(ops i32mem:$dst, R32:$src2, i8imm:$src3),
"shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(store (X86shrd (loadi32 addr:$dst), R32:$src2,
(i8 imm:$src3)), addr:$dst)]>,
TB;
def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
"shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(store (X86shld (loadi16 addr:$dst), R16:$src2, CL),
addr:$dst)]>,
Imp<[CL],[]>, TB, OpSize;
def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
"shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
[(store (X86shrd (loadi16 addr:$dst), R16:$src2, CL),
addr:$dst)]>,
Imp<[CL],[]>, TB, OpSize;
def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
(ops i16mem:$dst, R16:$src2, i8imm:$src3),
"shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(store (X86shld (loadi16 addr:$dst), R16:$src2,
(i8 imm:$src3)), addr:$dst)]>,
TB, OpSize;
def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
(ops i16mem:$dst, R16:$src2, i8imm:$src3),
"shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
[(store (X86shrd (loadi16 addr:$dst), R16:$src2,
(i8 imm:$src3)), addr:$dst)]>,
TB, OpSize;
}
// Arithmetic.
let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
"add{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (add R8:$src1, R8:$src2))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (add R32:$src1, R32:$src2))]>;
} // end isConvertibleToThreeAddress
} // end isCommutable
def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
"add{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
"add{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (add R8:$src1, imm:$src2))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (add R32:$src1, imm:$src2))]>;
}
def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
OpSize;
def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
"add{b} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
OpSize;
def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
"add{b} {$src2, $dst|$dst, $src2}",
[(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
OpSize;
def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
OpSize;
def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
}
let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (adde R32:$src1, R32:$src2))]>;
}
def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (adde R32:$src1, (load addr:$src2)))]>;
def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (adde R32:$src1, imm:$src2))]>;
def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (adde R32:$src1, i32immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(store (adde (load addr:$dst), R32:$src2), addr:$dst)]>;
def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
"adc{l} {$src2, $dst|$dst, $src2}",
[(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
}
def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
"sub{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
"sub{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
"sub{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
OpSize;
def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
"sub{b} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
OpSize;
def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
"sub{b} {$src2, $dst|$dst, $src2}",
[(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
OpSize;
def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
OpSize;
def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
}
def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sube R32:$src1, R32:$src2))]>;
let isTwoAddress = 0 in {
def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(store (sube (load addr:$dst), R32:$src2), addr:$dst)]>;
def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
"sbb{b} {$src2, $dst|$dst, $src2}",
[(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
}
def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sube R32:$src1, (load addr:$src2)))]>;
def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sube R32:$src1, imm:$src2))]>;
def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sube R32:$src1, i32immSExt8:$src2))]>;
let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
"imul{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
"imul{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
}
def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
"imul{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
TB, OpSize;
def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
"imul{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
} // end Two Address instructions
// Suprisingly enough, these are not two address instructions!
def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
(ops R16:$dst, R16:$src1, i16imm:$src2),
"imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
(ops R32:$dst, R32:$src1, i32imm:$src2),
"imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
(ops R16:$dst, R16:$src1, i16i8imm:$src2),
"imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
OpSize;
def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
(ops R32:$dst, R32:$src1, i32i8imm:$src2),
"imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
(ops R16:$dst, i16mem:$src1, i16imm:$src2),
"imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
OpSize;
def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
(ops R32:$dst, i32mem:$src1, i32imm:$src2),
"imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
(ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
"imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
OpSize;
def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
(ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
"imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
//===----------------------------------------------------------------------===//
// Test instructions are just like AND, except they don't generate a result.
//
let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
"test{b} {$src2, $src1|$src1, $src2}",
[(X86test R8:$src1, R8:$src2)]>;
def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
"test{w} {$src2, $src1|$src1, $src2}",
[(X86test R16:$src1, R16:$src2)]>, OpSize;
def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
"test{l} {$src2, $src1|$src1, $src2}",
[(X86test R32:$src1, R32:$src2)]>;
}
def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
"test{b} {$src2, $src1|$src1, $src2}",
[(X86test (loadi8 addr:$src1), R8:$src2)]>;
def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
"test{w} {$src2, $src1|$src1, $src2}",
[(X86test (loadi16 addr:$src1), R16:$src2)]>,
OpSize;
def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
"test{l} {$src2, $src1|$src1, $src2}",
[(X86test (loadi32 addr:$src1), R32:$src2)]>;
def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
"test{b} {$src2, $src1|$src1, $src2}",
[(X86test R8:$src1, (loadi8 addr:$src2))]>;
def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
"test{w} {$src2, $src1|$src1, $src2}",
[(X86test R16:$src1, (loadi16 addr:$src2))]>,
OpSize;
def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
"test{l} {$src2, $src1|$src1, $src2}",
[(X86test R32:$src1, (loadi32 addr:$src2))]>;
def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
(ops R8:$src1, i8imm:$src2),
"test{b} {$src2, $src1|$src1, $src2}",
[(X86test R8:$src1, imm:$src2)]>;
def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
(ops R16:$src1, i16imm:$src2),
"test{w} {$src2, $src1|$src1, $src2}",
[(X86test R16:$src1, imm:$src2)]>, OpSize;
def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
(ops R32:$src1, i32imm:$src2),
"test{l} {$src2, $src1|$src1, $src2}",
[(X86test R32:$src1, imm:$src2)]>;
def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
(ops i8mem:$src1, i8imm:$src2),
"test{b} {$src2, $src1|$src1, $src2}",
[(X86test (loadi8 addr:$src1), imm:$src2)]>;
def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
(ops i16mem:$src1, i16imm:$src2),
"test{w} {$src2, $src1|$src1, $src2}",
[(X86test (loadi16 addr:$src1), imm:$src2)]>,
OpSize;
def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
(ops i32mem:$src1, i32imm:$src2),
"test{l} {$src2, $src1|$src1, $src2}",
[(X86test (loadi32 addr:$src1), imm:$src2)]>;
// Condition code ops, incl. set if equal/not equal/...
def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
def SETEr : I<0x94, MRM0r,
(ops R8 :$dst),
"sete $dst",
[(set R8:$dst, (X86setcc X86_COND_E))]>,
TB; // R8 = ==
def SETEm : I<0x94, MRM0m,
(ops i8mem:$dst),
"sete $dst",
[(store (X86setcc X86_COND_E), addr:$dst)]>,
TB; // [mem8] = ==
def SETNEr : I<0x95, MRM0r,
(ops R8 :$dst),
"setne $dst",
[(set R8:$dst, (X86setcc X86_COND_NE))]>,
TB; // R8 = !=
def SETNEm : I<0x95, MRM0m,
(ops i8mem:$dst),
"setne $dst",
[(store (X86setcc X86_COND_NE), addr:$dst)]>,
TB; // [mem8] = !=
def SETLr : I<0x9C, MRM0r,
(ops R8 :$dst),
"setl $dst",
[(set R8:$dst, (X86setcc X86_COND_L))]>,
TB; // R8 = < signed
def SETLm : I<0x9C, MRM0m,
(ops i8mem:$dst),
"setl $dst",
[(store (X86setcc X86_COND_L), addr:$dst)]>,
TB; // [mem8] = < signed
def SETGEr : I<0x9D, MRM0r,
(ops R8 :$dst),
"setge $dst",
[(set R8:$dst, (X86setcc X86_COND_GE))]>,
TB; // R8 = >= signed
def SETGEm : I<0x9D, MRM0m,
(ops i8mem:$dst),
"setge $dst",
[(store (X86setcc X86_COND_GE), addr:$dst)]>,
TB; // [mem8] = >= signed
def SETLEr : I<0x9E, MRM0r,
(ops R8 :$dst),
"setle $dst",
[(set R8:$dst, (X86setcc X86_COND_LE))]>,
TB; // R8 = <= signed
def SETLEm : I<0x9E, MRM0m,
(ops i8mem:$dst),
"setle $dst",
[(store (X86setcc X86_COND_LE), addr:$dst)]>,
TB; // [mem8] = <= signed
def SETGr : I<0x9F, MRM0r,
(ops R8 :$dst),
"setg $dst",
[(set R8:$dst, (X86setcc X86_COND_G))]>,
TB; // R8 = > signed
def SETGm : I<0x9F, MRM0m,
(ops i8mem:$dst),
"setg $dst",
[(store (X86setcc X86_COND_G), addr:$dst)]>,
TB; // [mem8] = > signed
def SETBr : I<0x92, MRM0r,
(ops R8 :$dst),
"setb $dst",
[(set R8:$dst, (X86setcc X86_COND_B))]>,
TB; // R8 = < unsign
def SETBm : I<0x92, MRM0m,
(ops i8mem:$dst),
"setb $dst",
[(store (X86setcc X86_COND_B), addr:$dst)]>,
TB; // [mem8] = < unsign
def SETAEr : I<0x93, MRM0r,
(ops R8 :$dst),
"setae $dst",
[(set R8:$dst, (X86setcc X86_COND_AE))]>,
TB; // R8 = >= unsign
def SETAEm : I<0x93, MRM0m,
(ops i8mem:$dst),
"setae $dst",
[(store (X86setcc X86_COND_AE), addr:$dst)]>,
TB; // [mem8] = >= unsign
def SETBEr : I<0x96, MRM0r,
(ops R8 :$dst),
"setbe $dst",
[(set R8:$dst, (X86setcc X86_COND_BE))]>,
TB; // R8 = <= unsign
def SETBEm : I<0x96, MRM0m,
(ops i8mem:$dst),
"setbe $dst",
[(store (X86setcc X86_COND_BE), addr:$dst)]>,
TB; // [mem8] = <= unsign
def SETAr : I<0x97, MRM0r,
(ops R8 :$dst),
"seta $dst",
[(set R8:$dst, (X86setcc X86_COND_A))]>,
TB; // R8 = > signed
def SETAm : I<0x97, MRM0m,
(ops i8mem:$dst),
"seta $dst",
[(store (X86setcc X86_COND_A), addr:$dst)]>,
TB; // [mem8] = > signed
def SETSr : I<0x98, MRM0r,
(ops R8 :$dst),
"sets $dst",
[(set R8:$dst, (X86setcc X86_COND_S))]>,
TB; // R8 = <sign bit>
def SETSm : I<0x98, MRM0m,
(ops i8mem:$dst),
"sets $dst",
[(store (X86setcc X86_COND_S), addr:$dst)]>,
TB; // [mem8] = <sign bit>
def SETNSr : I<0x99, MRM0r,
(ops R8 :$dst),
"setns $dst",
[(set R8:$dst, (X86setcc X86_COND_NS))]>,
TB; // R8 = !<sign bit>
def SETNSm : I<0x99, MRM0m,
(ops i8mem:$dst),
"setns $dst",
[(store (X86setcc X86_COND_NS), addr:$dst)]>,
TB; // [mem8] = !<sign bit>
def SETPr : I<0x9A, MRM0r,
(ops R8 :$dst),
"setp $dst",
[(set R8:$dst, (X86setcc X86_COND_P))]>,
TB; // R8 = parity
def SETPm : I<0x9A, MRM0m,
(ops i8mem:$dst),
"setp $dst",
[(store (X86setcc X86_COND_P), addr:$dst)]>,
TB; // [mem8] = parity
def SETNPr : I<0x9B, MRM0r,
(ops R8 :$dst),
"setnp $dst",
[(set R8:$dst, (X86setcc X86_COND_NP))]>,
TB; // R8 = not parity
def SETNPm : I<0x9B, MRM0m,
(ops i8mem:$dst),
"setnp $dst",
[(store (X86setcc X86_COND_NP), addr:$dst)]>,
TB; // [mem8] = not parity
// Integer comparisons
def CMP8rr : I<0x38, MRMDestReg,
(ops R8 :$src1, R8 :$src2),
"cmp{b} {$src2, $src1|$src1, $src2}",
[(X86cmp R8:$src1, R8:$src2)]>;
def CMP16rr : I<0x39, MRMDestReg,
(ops R16:$src1, R16:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp R16:$src1, R16:$src2)]>, OpSize;
def CMP32rr : I<0x39, MRMDestReg,
(ops R32:$src1, R32:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp R32:$src1, R32:$src2)]>;
def CMP8mr : I<0x38, MRMDestMem,
(ops i8mem :$src1, R8 :$src2),
"cmp{b} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi8 addr:$src1), R8:$src2)]>;
def CMP16mr : I<0x39, MRMDestMem,
(ops i16mem:$src1, R16:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi16 addr:$src1), R16:$src2)]>, OpSize;
def CMP32mr : I<0x39, MRMDestMem,
(ops i32mem:$src1, R32:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi32 addr:$src1), R32:$src2)]>;
def CMP8rm : I<0x3A, MRMSrcMem,
(ops R8 :$src1, i8mem :$src2),
"cmp{b} {$src2, $src1|$src1, $src2}",
[(X86cmp R8:$src1, (loadi8 addr:$src2))]>;
def CMP16rm : I<0x3B, MRMSrcMem,
(ops R16:$src1, i16mem:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp R16:$src1, (loadi16 addr:$src2))]>, OpSize;
def CMP32rm : I<0x3B, MRMSrcMem,
(ops R32:$src1, i32mem:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp R32:$src1, (loadi32 addr:$src2))]>;
def CMP8ri : Ii8<0x80, MRM7r,
(ops R8:$src1, i8imm:$src2),
"cmp{b} {$src2, $src1|$src1, $src2}",
[(X86cmp R8:$src1, imm:$src2)]>;
def CMP16ri : Ii16<0x81, MRM7r,
(ops R16:$src1, i16imm:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp R16:$src1, imm:$src2)]>, OpSize;
def CMP32ri : Ii32<0x81, MRM7r,
(ops R32:$src1, i32imm:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp R32:$src1, imm:$src2)]>;
def CMP8mi : Ii8 <0x80, MRM7m,
(ops i8mem :$src1, i8imm :$src2),
"cmp{b} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi8 addr:$src1), imm:$src2)]>;
def CMP16mi : Ii16<0x81, MRM7m,
(ops i16mem:$src1, i16imm:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi16 addr:$src1), imm:$src2)]>, OpSize;
def CMP32mi : Ii32<0x81, MRM7m,
(ops i32mem:$src1, i32imm:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi32 addr:$src1), imm:$src2)]>;
def CMP16ri8 : Ii8<0x83, MRM7r,
(ops R16:$src1, i16i8imm:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp R16:$src1, i16immSExt8:$src2)]>, OpSize;
def CMP16mi8 : Ii8<0x83, MRM7m,
(ops i16mem:$src1, i16i8imm:$src2),
"cmp{w} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2)]>, OpSize;
def CMP32mi8 : Ii8<0x83, MRM7m,
(ops i32mem:$src1, i32i8imm:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2)]>;
def CMP32ri8 : Ii8<0x83, MRM7r,
(ops R32:$src1, i32i8imm:$src2),
"cmp{l} {$src2, $src1|$src1, $src2}",
[(X86cmp R32:$src1, i32immSExt8:$src2)]>;
// Sign/Zero extenders
def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
"movs{bw|x} {$src, $dst|$dst, $src}",
[(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
"movs{bw|x} {$src, $dst|$dst, $src}",
[(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
"movs{bl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (sext R8:$src))]>, TB;
def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
"movs{bl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
"movs{wl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (sext R16:$src))]>, TB;
def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
"movs{wl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
"movz{bw|x} {$src, $dst|$dst, $src}",
[(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
"movz{bw|x} {$src, $dst|$dst, $src}",
[(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
"movz{bl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (zext R8:$src))]>, TB;
def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
"movz{bl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
"movz{wl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (zext R16:$src))]>, TB;
def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
"movz{wl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
//===----------------------------------------------------------------------===//
// Miscellaneous Instructions
//===----------------------------------------------------------------------===//
def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
TB, Imp<[],[EAX,EDX]>;
//===----------------------------------------------------------------------===//
// Alias Instructions
//===----------------------------------------------------------------------===//
// Alias instructions that map movr0 to xor.
// FIXME: remove when we can teach regalloc that xor reg, reg is ok.
def MOV8r0 : I<0x30, MRMInitReg, (ops R8 :$dst),
"xor{b} $dst, $dst",
[(set R8:$dst, 0)]>;
def MOV16r0 : I<0x31, MRMInitReg, (ops R16:$dst),
"xor{w} $dst, $dst",
[(set R16:$dst, 0)]>, OpSize;
def MOV32r0 : I<0x31, MRMInitReg, (ops R32:$dst),
"xor{l} $dst, $dst",
[(set R32:$dst, 0)]>;
//===----------------------------------------------------------------------===//
// DWARF Pseudo Instructions
//
def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
"; .loc $file, $line, $col",
[(dwarf_loc (i32 imm:$line), (i32 imm:$col),
(i32 imm:$file))]>;
def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id),
"\nLdebug_loc${id:debug}:",
[(dwarf_label (i32 imm:$id))]>;
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//===----------------------------------------------------------------------===//
// ConstantPool GlobalAddress, ExternalSymbol
def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
def : Pat<(add R32:$src1, (X86Wrapper tconstpool:$src2)),
(ADD32ri R32:$src1, tconstpool:$src2)>;
def : Pat<(add R32:$src1, (X86Wrapper tglobaladdr :$src2)),
(ADD32ri R32:$src1, tglobaladdr:$src2)>;
def : Pat<(add R32:$src1, (X86Wrapper texternalsym:$src2)),
(ADD32ri R32:$src1, texternalsym:$src2)>;
def : Pat<(store (X86Wrapper tconstpool:$src), addr:$dst),
(MOV32mi addr:$dst, tconstpool:$src)>;
def : Pat<(store (X86Wrapper tglobaladdr:$src), addr:$dst),
(MOV32mi addr:$dst, tglobaladdr:$src)>;
def : Pat<(store (X86Wrapper texternalsym:$src), addr:$dst),
(MOV32mi addr:$dst, texternalsym:$src)>;
// Calls
def : Pat<(X86call tglobaladdr:$dst),
(CALLpcrel32 tglobaladdr:$dst)>;
def : Pat<(X86call texternalsym:$dst),
(CALLpcrel32 texternalsym:$dst)>;
// X86 specific add which produces a flag.
def : Pat<(addc R32:$src1, R32:$src2),
(ADD32rr R32:$src1, R32:$src2)>;
def : Pat<(addc R32:$src1, (load addr:$src2)),
(ADD32rm R32:$src1, addr:$src2)>;
def : Pat<(addc R32:$src1, imm:$src2),
(ADD32ri R32:$src1, imm:$src2)>;
def : Pat<(addc R32:$src1, i32immSExt8:$src2),
(ADD32ri8 R32:$src1, i32immSExt8:$src2)>;
def : Pat<(subc R32:$src1, R32:$src2),
(SUB32rr R32:$src1, R32:$src2)>;
def : Pat<(subc R32:$src1, (load addr:$src2)),
(SUB32rm R32:$src1, addr:$src2)>;
def : Pat<(subc R32:$src1, imm:$src2),
(SUB32ri R32:$src1, imm:$src2)>;
def : Pat<(subc R32:$src1, i32immSExt8:$src2),
(SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
(MOV8mi addr:$dst, imm:$src)>;
def : Pat<(truncstore R8:$src, addr:$dst, i1),
(MOV8mr addr:$dst, R8:$src)>;
// {s|z}extload bool -> {s|z}extload byte
def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
// extload bool -> extload byte
def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
// anyext -> zext
def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
//===----------------------------------------------------------------------===//
// Some peepholes
//===----------------------------------------------------------------------===//
// (shl x, 1) ==> (add x, x)
def : Pat<(shl R8 :$src1, (i8 1)), (ADD8rr R8 :$src1, R8 :$src1)>;
def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;
// (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
def : Pat<(or (srl R32:$src1, CL:$amt),
(shl R32:$src2, (sub 32, CL:$amt))),
(SHRD32rrCL R32:$src1, R32:$src2)>;
def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
(shl R32:$src2, (sub 32, CL:$amt))), addr:$dst),
(SHRD32mrCL addr:$dst, R32:$src2)>;
// (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
def : Pat<(or (shl R32:$src1, CL:$amt),
(srl R32:$src2, (sub 32, CL:$amt))),
(SHLD32rrCL R32:$src1, R32:$src2)>;
def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
(srl R32:$src2, (sub 32, CL:$amt))), addr:$dst),
(SHLD32mrCL addr:$dst, R32:$src2)>;
// (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
def : Pat<(or (srl R16:$src1, CL:$amt),
(shl R16:$src2, (sub 16, CL:$amt))),
(SHRD16rrCL R16:$src1, R16:$src2)>;
def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
(shl R16:$src2, (sub 16, CL:$amt))), addr:$dst),
(SHRD16mrCL addr:$dst, R16:$src2)>;
// (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
def : Pat<(or (shl R16:$src1, CL:$amt),
(srl R16:$src2, (sub 16, CL:$amt))),
(SHLD16rrCL R16:$src1, R16:$src2)>;
def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
(srl R16:$src2, (sub 16, CL:$amt))), addr:$dst),
(SHLD16mrCL addr:$dst, R16:$src2)>;
//===----------------------------------------------------------------------===//
// Floating Point Stack Support
//===----------------------------------------------------------------------===//
include "X86InstrFPStack.td"
//===----------------------------------------------------------------------===//
// MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
//===----------------------------------------------------------------------===//
include "X86InstrMMX.td"
//===----------------------------------------------------------------------===//
// XMM Floating point support (requires SSE / SSE2)
//===----------------------------------------------------------------------===//
include "X86InstrSSE.td"
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