| //===- 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // *mem - Operand definitions for the funky X86 addressing mode operands. |
| // |
| |
| class X86MemOperand<ValueType Ty> : Operand<Ty> { |
| let NumMIOperands = 4; |
| let PrintMethod = "printMemoryOperand"; |
| } |
| def SSECC : Operand<i8> { |
| let PrintMethod = "printSSECC"; |
| } |
| |
| def i8mem : X86MemOperand<i8>; |
| def i16mem : X86MemOperand<i16>; |
| def i32mem : X86MemOperand<i32>; |
| def i64mem : X86MemOperand<i64>; |
| def f32mem : X86MemOperand<f32>; |
| def f64mem : X86MemOperand<f64>; |
| def f80mem : X86MemOperand<f80>; |
| |
| // PCRelative calls need special operand formatting. |
| let PrintMethod = "printCallOperand" in |
| def calltarget : Operand<i32>; |
| |
| // 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<5> val> { |
| bits<5> 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>; |
| |
| // 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<5> 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; } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction templates... |
| |
| class I<bits<8> o, Format f, dag ops, string asm> |
| : X86Inst<o, f, NoImm, ops, asm>; |
| class Ii8 <bits<8> o, Format f, dag ops, string asm> |
| : X86Inst<o, f, Imm8 , ops, asm>; |
| class Ii16<bits<8> o, Format f, dag ops, string asm> |
| : X86Inst<o, f, Imm16, ops, asm>; |
| 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 PHI : I<0, Pseudo, (ops variable_ops), "PHINODE">; // PHI node. |
| def NOOP : I<0x90, RawFrm, (ops), "nop">; // nop |
| |
| def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN">; |
| def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2), |
| "#ADJCALLSTACKUP">; |
| def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE">; |
| def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF">; |
| let isTerminator = 1 in |
| let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in |
| def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL">; |
| |
| //===----------------------------------------------------------------------===// |
| // Control Flow Instructions... |
| // |
| |
| // Return instructions. |
| let isTerminator = 1, isReturn = 1, isBarrier = 1 in |
| def RET : I<0xC3, RawFrm, (ops), "ret">; |
| let isTerminator = 1, isReturn = 1, isBarrier = 1 in |
| def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt">; |
| |
| // All branches are RawFrm, Void, Branch, and Terminators |
| let isBranch = 1, isTerminator = 1 in |
| class IBr<bits<8> opcode, dag ops, string asm> : I<opcode, RawFrm, ops, asm>; |
| |
| let isBarrier = 1 in |
| def JMP : IBr<0xE9, (ops i32imm:$dst), "jmp $dst">; |
| def JB : IBr<0x82, (ops i32imm:$dst), "jb $dst">, TB; |
| def JAE : IBr<0x83, (ops i32imm:$dst), "jae $dst">, TB; |
| def JE : IBr<0x84, (ops i32imm:$dst), "je $dst">, TB; |
| def JNE : IBr<0x85, (ops i32imm:$dst), "jne $dst">, TB; |
| def JBE : IBr<0x86, (ops i32imm:$dst), "jbe $dst">, TB; |
| def JA : IBr<0x87, (ops i32imm:$dst), "ja $dst">, TB; |
| def JS : IBr<0x88, (ops i32imm:$dst), "js $dst">, TB; |
| def JNS : IBr<0x89, (ops i32imm:$dst), "jns $dst">, TB; |
| def JP : IBr<0x8A, (ops i32imm:$dst), "jp $dst">, TB; |
| def JNP : IBr<0x8B, (ops i32imm:$dst), "jnp $dst">, TB; |
| def JL : IBr<0x8C, (ops i32imm:$dst), "jl $dst">, TB; |
| def JGE : IBr<0x8D, (ops i32imm:$dst), "jge $dst">, TB; |
| def JLE : IBr<0x8E, (ops i32imm:$dst), "jle $dst">, TB; |
| def JG : IBr<0x8F, (ops i32imm:$dst), "jg $dst">, TB; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Call Instructions... |
| // |
| let isCall = 1 in |
| // All calls clobber the non-callee saved registers... |
| let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0, |
| XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in { |
| def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst">; |
| def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst">; |
| def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst">; |
| } |
| |
| // Tail call stuff. |
| let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in |
| def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL">; |
| let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in |
| def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL">; |
| let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in |
| def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$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} $reg">, Imp<[ESP],[ESP]>; |
| |
| let isTwoAddress = 1 in // R32 = bswap R32 |
| def BSWAP32r : I<0xC8, AddRegFrm, |
| (ops R32:$dst, R32:$src), "bswap{l} $dst">, TB; |
| |
| def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8 |
| (ops R8:$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|$src}">; |
| |
| |
| def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}">, |
| Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP; |
| def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}">, |
| Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize; |
| def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}">, |
| Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP; |
| |
| def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}">, |
| Imp<[AL,ECX,EDI], [ECX,EDI]>, REP; |
| def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}">, |
| Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize; |
| def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}">, |
| Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Input/Output Instructions... |
| // |
| def IN8rr : I<0xEC, RawFrm, (ops), |
| "in{b} {%dx, %al|%AL, %DX}">, Imp<[DX], [AL]>; |
| def IN16rr : I<0xED, RawFrm, (ops), |
| "in{w} {%dx, %ax|%AX, %DX}">, Imp<[DX], [AX]>, OpSize; |
| def IN32rr : I<0xED, RawFrm, (ops), |
| "in{l} {%dx, %eax|%EAX, %DX}">, Imp<[DX],[EAX]>; |
| |
| def IN8ri : Ii16<0xE4, RawFrm, (ops i16imm:$port), |
| "in{b} {$port, %al|%AL, $port}">, Imp<[], [AL]>; |
| def IN16ri : Ii16<0xE5, RawFrm, (ops i16imm:$port), |
| "in{w} {$port, %ax|%AX, $port}">, Imp<[], [AX]>, OpSize; |
| def IN32ri : Ii16<0xE5, RawFrm, (ops i16imm:$port), |
| "in{l} {$port, %eax|%EAX, $port}">, Imp<[],[EAX]>; |
| |
| def OUT8rr : I<0xEE, RawFrm, (ops), |
| "out{b} {%al, %dx|%DX, %AL}">, Imp<[DX, AL], []>; |
| def OUT16rr : I<0xEF, RawFrm, (ops), |
| "out{w} {%ax, %dx|%DX, %AX}">, Imp<[DX, AX], []>, OpSize; |
| def OUT32rr : I<0xEF, RawFrm, (ops), |
| "out{l} {%eax, %dx|%DX, %EAX}">, Imp<[DX, EAX], []>; |
| |
| def OUT8ir : Ii16<0xE6, RawFrm, (ops i16imm:$port), |
| "out{b} {%al, $port|$port, %AL}">, Imp<[AL], []>; |
| def OUT16ir : Ii16<0xE7, RawFrm, (ops i16imm:$port), |
| "out{w} {%ax, $port|$port, %AX}">, Imp<[AX], []>, OpSize; |
| def OUT32ir : Ii16<0xE7, RawFrm, (ops i16imm:$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, $src}">; |
| def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src), |
| "mov{w} {$src, $dst|$dst, $src}">, OpSize; |
| def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$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, $src}">; |
| def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src), |
| "mov{w} {$src, $dst|$dst, $src}">, OpSize; |
| def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src), |
| "mov{l} {$src, $dst|$dst, $src}", []>; |
| |
| def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src), |
| "mov{b} {$src, $dst|$dst, $src}">; |
| def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src), |
| "mov{w} {$src, $dst|$dst, $src}">, OpSize; |
| def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src), |
| "mov{l} {$src, $dst|$dst, $src}">; |
| |
| def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src), |
| "mov{b} {$src, $dst|$dst, $src}">; |
| def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src), |
| "mov{w} {$src, $dst|$dst, $src}">, OpSize; |
| def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src), |
| "mov{l} {$src, $dst|$dst, $src}">; |
| |
| //===----------------------------------------------------------------------===// |
| // Fixed-Register Multiplication and Division Instructions... |
| // |
| |
| // Extra precision multiplication |
| def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src">, |
| Imp<[AL],[AX]>; // AL,AH = AL*R8 |
| def MUL16r : I<0xF7, MRM4r, (ops R16:$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} $src">, Imp<[AL],[AX]>; // AL,AH = AL*[mem8] |
| def MUL16m : I<0xF7, MRM4m, (ops i16mem:$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, $src2}">, TB, OpSize; |
| def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovb {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovb {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovb {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovae {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovae {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovae {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovae {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmove {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmove {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmove {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmove {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovne {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovne {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovne {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovne {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovbe {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovbe {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovbe {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovbe {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmova {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmova {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmova {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmova {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovs {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovs {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovs {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovs {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovns {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovns {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovns {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovns {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovp {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovp {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovp {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovp {$src2, $dst|$dst, $src2}">, TB; |
| |
| |
| def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovnp {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovnp {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovnp {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovnp {$src2, $dst|$dst, $src2}">, TB; |
| |
| |
| def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovl {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovl {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovl {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovl {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovge {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovge {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovge {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovge {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovle {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovle {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovle {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovle {$src2, $dst|$dst, $src2}">, TB; |
| |
| def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16 |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "cmovg {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16] |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "cmovg {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32 |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "cmovg {$src2, $dst|$dst, $src2}">, TB; |
| def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32] |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "cmovg {$src2, $dst|$dst, $src2}">, TB; |
| |
| // unary instructions |
| def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst">; |
| def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst">, OpSize; |
| def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst">; |
| let isTwoAddress = 0 in { |
| def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst">; |
| def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst">, OpSize; |
| def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst">; |
| } |
| |
| def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst">; |
| def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst">, OpSize; |
| def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst">; |
| let isTwoAddress = 0 in { |
| def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst">; |
| def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst">, OpSize; |
| def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst">; |
| } |
| |
| def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst">; |
| let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. |
| def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst">, OpSize; |
| def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst">; |
| } |
| let isTwoAddress = 0 in { |
| def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst">; |
| def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst">, OpSize; |
| def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst">; |
| } |
| |
| def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst">; |
| let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. |
| def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst">, OpSize; |
| def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst">; |
| } |
| |
| let isTwoAddress = 0 in { |
| def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst">; |
| def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst">, OpSize; |
| def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst">; |
| } |
| |
| // Logical operators... |
| let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y |
| def AND8rr : I<0x20, MRMDestReg, |
| (ops R8 :$dst, R8 :$src1, R8 :$src2), |
| "and{b} {$src2, $dst|$dst, $src2}">; |
| def AND16rr : I<0x21, MRMDestReg, |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "and{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def AND32rr : I<0x21, MRMDestReg, |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "and{l} {$src2, $dst|$dst, $src2}">; |
| } |
| |
| def AND8rm : I<0x22, MRMSrcMem, |
| (ops R8 :$dst, R8 :$src1, i8mem :$src2), |
| "and{b} {$src2, $dst|$dst, $src2}">; |
| def AND16rm : I<0x23, MRMSrcMem, |
| (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "and{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def AND32rm : I<0x23, MRMSrcMem, |
| (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "and{l} {$src2, $dst|$dst, $src2}">; |
| |
| def AND8ri : Ii8<0x80, MRM4r, |
| (ops R8 :$dst, R8 :$src1, i8imm :$src2), |
| "and{b} {$src2, $dst|$dst, $src2}">; |
| def AND16ri : Ii16<0x81, MRM4r, |
| (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "and{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def AND32ri : Ii32<0x81, MRM4r, |
| (ops R32:$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, i8imm:$src2), |
| "and{w} {$src2, $dst|$dst, $src2}" >, OpSize; |
| def AND32ri8 : Ii8<0x83, MRM4r, |
| (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "and{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isTwoAddress = 0 in { |
| def AND8mr : I<0x20, MRMDestMem, |
| (ops i8mem :$dst, R8 :$src), |
| "and{b} {$src, $dst|$dst, $src}">; |
| def AND16mr : I<0x21, MRMDestMem, |
| (ops i16mem:$dst, R16:$src), |
| "and{w} {$src, $dst|$dst, $src}">, OpSize; |
| def AND32mr : I<0x21, MRMDestMem, |
| (ops i32mem:$dst, R32:$src), |
| "and{l} {$src, $dst|$dst, $src}">; |
| def AND8mi : Ii8<0x80, MRM4m, |
| (ops i8mem :$dst, i8imm :$src), |
| "and{b} {$src, $dst|$dst, $src}">; |
| def AND16mi : Ii16<0x81, MRM4m, |
| (ops i16mem:$dst, i16imm:$src), |
| "and{w} {$src, $dst|$dst, $src}">, OpSize; |
| def AND32mi : Ii32<0x81, MRM4m, |
| (ops i32mem:$dst, i32imm:$src), |
| "and{l} {$src, $dst|$dst, $src}", []>; |
| def AND16mi8 : Ii8<0x83, MRM4m, |
| (ops i16mem:$dst, i8imm :$src), |
| "and{w} {$src, $dst|$dst, $src}">, OpSize; |
| def AND32mi8 : Ii8<0x83, MRM4m, |
| (ops i32mem:$dst, i8imm :$src), |
| "and{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| |
| let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y |
| def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), |
| "or{b} {$src2, $dst|$dst, $src2}">; |
| def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), |
| "or{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "or{l} {$src2, $dst|$dst, $src2}">; |
| } |
| def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2), |
| "or{b} {$src2, $dst|$dst, $src2}">; |
| def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "or{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "or{l} {$src2, $dst|$dst, $src2}">; |
| |
| def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2), |
| "or{b} {$src2, $dst|$dst, $src2}">; |
| def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "or{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def OR32ri : Ii32<0x81, MRM1r, (ops R32:$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 R8 :$dst, R8 :$src1, i8imm:$src2), |
| "or{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "or{l} {$src2, $dst|$dst, $src2}">; |
| let isTwoAddress = 0 in { |
| def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src), |
| "or{b} {$src, $dst|$dst, $src}">; |
| def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src), |
| "or{w} {$src, $dst|$dst, $src}">, OpSize; |
| def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src), |
| "or{l} {$src, $dst|$dst, $src}">; |
| def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src), |
| "or{b} {$src, $dst|$dst, $src}">; |
| def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src), |
| "or{w} {$src, $dst|$dst, $src}">, OpSize; |
| def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src), |
| "or{l} {$src, $dst|$dst, $src}", []>; |
| def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i8imm:$src), |
| "or{w} {$src, $dst|$dst, $src}">, OpSize; |
| def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i8imm:$src), |
| "or{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| |
| let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y |
| def XOR8rr : I<0x30, MRMDestReg, |
| (ops R8 :$dst, R8 :$src1, R8 :$src2), |
| "xor{b} {$src2, $dst|$dst, $src2}">; |
| def XOR16rr : I<0x31, MRMDestReg, |
| (ops R16:$dst, R16:$src1, R16:$src2), |
| "xor{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def XOR32rr : I<0x31, MRMDestReg, |
| (ops R32:$dst, R32:$src1, R32:$src2), |
| "xor{l} {$src2, $dst|$dst, $src2}">; |
| } |
| |
| def XOR8rm : I<0x32, MRMSrcMem , |
| (ops R8 :$dst, R8:$src1, i8mem :$src2), |
| "xor{b} {$src2, $dst|$dst, $src2}">; |
| def XOR16rm : I<0x33, MRMSrcMem , |
| (ops R16:$dst, R8:$src1, i16mem:$src2), |
| "xor{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def XOR32rm : I<0x33, MRMSrcMem , |
| (ops R32:$dst, R8:$src1, i32mem:$src2), |
| "xor{l} {$src2, $dst|$dst, $src2}">; |
| |
| def XOR8ri : Ii8<0x80, MRM6r, |
| (ops R8:$dst, R8:$src1, i8imm:$src2), |
| "xor{b} {$src2, $dst|$dst, $src2}">; |
| def XOR16ri : Ii16<0x81, MRM6r, |
| (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "xor{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def XOR32ri : Ii32<0x81, MRM6r, |
| (ops R32:$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, i8imm:$src2), |
| "xor{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def XOR32ri8 : Ii8<0x83, MRM6r, |
| (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "xor{l} {$src2, $dst|$dst, $src2}">; |
| let isTwoAddress = 0 in { |
| def XOR8mr : I<0x30, MRMDestMem, |
| (ops i8mem :$dst, R8 :$src), |
| "xor{b} {$src, $dst|$dst, $src}">; |
| def XOR16mr : I<0x31, MRMDestMem, |
| (ops i16mem:$dst, R16:$src), |
| "xor{w} {$src, $dst|$dst, $src}">, OpSize; |
| def XOR32mr : I<0x31, MRMDestMem, |
| (ops i32mem:$dst, R32:$src), |
| "xor{l} {$src, $dst|$dst, $src}">; |
| def XOR8mi : Ii8<0x80, MRM6m, |
| (ops i8mem :$dst, i8imm :$src), |
| "xor{b} {$src, $dst|$dst, $src}">; |
| def XOR16mi : Ii16<0x81, MRM6m, |
| (ops i16mem:$dst, i16imm:$src), |
| "xor{w} {$src, $dst|$dst, $src}">, OpSize; |
| def XOR32mi : Ii32<0x81, MRM6m, |
| (ops i32mem:$dst, i32imm:$src), |
| "xor{l} {$src, $dst|$dst, $src}", []>; |
| def XOR16mi8 : Ii8<0x83, MRM6m, |
| (ops i16mem:$dst, i8imm :$src), |
| "xor{w} {$src, $dst|$dst, $src}">, OpSize; |
| def XOR32mi8 : Ii8<0x83, MRM6m, |
| (ops i32mem:$dst, i8imm :$src), |
| "xor{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| // Shift instructions |
| // FIXME: provide shorter instructions when imm8 == 1 |
| def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src), |
| "shl{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src), |
| "shl{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src), |
| "shl{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| |
| def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2), |
| "shl{b} {$src2, $dst|$dst, $src2}">; |
| let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. |
| def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2), |
| "shl{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "shl{l} {$src2, $dst|$dst, $src2}">; |
| } |
| |
| let isTwoAddress = 0 in { |
| def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst), |
| "shl{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst), |
| "shl{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst), |
| "shl{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src), |
| "shl{b} {$src, $dst|$dst, $src}">; |
| def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src), |
| "shl{w} {$src, $dst|$dst, $src}">, OpSize; |
| def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src), |
| "shl{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src), |
| "shr{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src), |
| "shr{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src), |
| "shr{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| |
| def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2), |
| "shr{b} {$src2, $dst|$dst, $src2}">; |
| def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2), |
| "shr{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "shr{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isTwoAddress = 0 in { |
| def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst), |
| "shr{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst), |
| "shr{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst), |
| "shr{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src), |
| "shr{b} {$src, $dst|$dst, $src}">; |
| def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src), |
| "shr{w} {$src, $dst|$dst, $src}">, OpSize; |
| def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src), |
| "shr{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src), |
| "sar{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src), |
| "sar{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src), |
| "sar{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| |
| def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2), |
| "sar{b} {$src2, $dst|$dst, $src2}">; |
| def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2), |
| "sar{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "sar{l} {$src2, $dst|$dst, $src2}">; |
| let isTwoAddress = 0 in { |
| def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst), |
| "sar{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst), |
| "sar{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst), |
| "sar{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src), |
| "sar{b} {$src, $dst|$dst, $src}">; |
| def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src), |
| "sar{w} {$src, $dst|$dst, $src}">, OpSize; |
| def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src), |
| "sar{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| // Rotate instructions |
| // FIXME: provide shorter instructions when imm8 == 1 |
| def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src), |
| "rol{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src), |
| "rol{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src), |
| "rol{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| |
| def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2), |
| "rol{b} {$src2, $dst|$dst, $src2}">; |
| def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2), |
| "rol{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "rol{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isTwoAddress = 0 in { |
| def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst), |
| "rol{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst), |
| "rol{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst), |
| "rol{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src), |
| "rol{b} {$src, $dst|$dst, $src}">; |
| def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src), |
| "rol{w} {$src, $dst|$dst, $src}">, OpSize; |
| def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src), |
| "rol{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src), |
| "ror{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src), |
| "ror{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src), |
| "ror{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| |
| def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2), |
| "ror{b} {$src2, $dst|$dst, $src2}">; |
| def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2), |
| "ror{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "ror{l} {$src2, $dst|$dst, $src2}">; |
| let isTwoAddress = 0 in { |
| def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst), |
| "ror{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst), |
| "ror{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize; |
| def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst), |
| "ror{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>; |
| def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src), |
| "ror{b} {$src, $dst|$dst, $src}">; |
| def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src), |
| "ror{w} {$src, $dst|$dst, $src}">, OpSize; |
| def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src), |
| "ror{l} {$src, $dst|$dst, $src}">; |
| } |
| |
| |
| |
| // Double shift instructions (generalizations of rotate) |
| |
| def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB; |
| def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB; |
| def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), |
| "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB, OpSize; |
| def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), |
| "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB, OpSize; |
| |
| let isCommutable = 1 in { // These instructions commute to each other. |
| def SHLD32rri8 : Ii8<0xA4, MRMDestReg, |
| (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3), |
| "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}">, TB; |
| def SHRD32rri8 : Ii8<0xAC, MRMDestReg, |
| (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3), |
| "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}">, TB; |
| def SHLD16rri8 : Ii8<0xA4, MRMDestReg, |
| (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3), |
| "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}">, |
| TB, OpSize; |
| def SHRD16rri8 : Ii8<0xAC, MRMDestReg, |
| (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3), |
| "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}">, |
| TB, OpSize; |
| } |
| |
| let isTwoAddress = 0 in { |
| def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2), |
| "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB; |
| def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2), |
| "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB; |
| def SHLD32mri8 : Ii8<0xA4, MRMDestMem, |
| (ops i32mem:$dst, R32:$src2, i8imm:$src3), |
| "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}">, TB; |
| def SHRD32mri8 : Ii8<0xAC, MRMDestMem, |
| (ops i32mem:$dst, R32:$src2, i8imm:$src3), |
| "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}">, TB; |
| |
| def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2), |
| "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB, OpSize; |
| def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2), |
| "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}">, |
| Imp<[CL],[]>, TB, OpSize; |
| def SHLD16mri8 : Ii8<0xA4, MRMDestMem, |
| (ops i16mem:$dst, R16:$src2, i8imm:$src3), |
| "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}">, |
| TB, OpSize; |
| def SHRD16mri8 : Ii8<0xAC, MRMDestMem, |
| (ops i16mem:$dst, R16:$src2, i8imm:$src3), |
| "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}">, |
| TB, OpSize; |
| } |
| |
| |
| // Arithmetic. |
| let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y |
| def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), |
| "add{b} {$src2, $dst|$dst, $src2}">; |
| let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. |
| def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "add{l} {$src2, $dst|$dst, $src2}">; |
| } // end isConvertibleToThreeAddress |
| } // end isCommutable |
| def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2), |
| "add{b} {$src2, $dst|$dst, $src2}">; |
| def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "add{l} {$src2, $dst|$dst, $src2}">; |
| |
| def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2), |
| "add{b} {$src2, $dst|$dst, $src2}">; |
| |
| let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. |
| def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$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, i8imm:$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "add{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isTwoAddress = 0 in { |
| def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2), |
| "add{b} {$src2, $dst|$dst, $src2}">; |
| def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2), |
| "add{l} {$src2, $dst|$dst, $src2}">; |
| def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2), |
| "add{b} {$src2, $dst|$dst, $src2}">; |
| def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2), |
| "add{l} {$src2, $dst|$dst, $src2}", []>; |
| def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i8imm :$src2), |
| "add{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i8imm :$src2), |
| "add{l} {$src2, $dst|$dst, $src2}">; |
| } |
| |
| let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y |
| def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}">; |
| } |
| def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}">; |
| def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}", []>; |
| def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isTwoAddress = 0 in { |
| def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}">; |
| def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}", []>; |
| def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i8imm :$src2), |
| "adc{l} {$src2, $dst|$dst, $src2}">; |
| } |
| |
| def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), |
| "sub{b} {$src2, $dst|$dst, $src2}">; |
| def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "sub{l} {$src2, $dst|$dst, $src2}">; |
| def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2), |
| "sub{b} {$src2, $dst|$dst, $src2}">; |
| def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "sub{l} {$src2, $dst|$dst, $src2}">; |
| |
| def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2), |
| "sub{b} {$src2, $dst|$dst, $src2}">; |
| def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$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, i8imm:$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "sub{l} {$src2, $dst|$dst, $src2}">; |
| let isTwoAddress = 0 in { |
| def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2), |
| "sub{b} {$src2, $dst|$dst, $src2}">; |
| def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2), |
| "sub{l} {$src2, $dst|$dst, $src2}">; |
| def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2), |
| "sub{b} {$src2, $dst|$dst, $src2}">; |
| def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2), |
| "sub{l} {$src2, $dst|$dst, $src2}", []>; |
| def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i8imm :$src2), |
| "sub{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i8imm :$src2), |
| "sub{l} {$src2, $dst|$dst, $src2}">; |
| } |
| |
| def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isTwoAddress = 0 in { |
| def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}">; |
| def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2), |
| "sbb{b} {$src2, $dst|$dst, $src2}", []>; |
| def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2), |
| "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize; |
| def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}", []>; |
| def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i8imm :$src2), |
| "sbb{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i8imm :$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}">; |
| } |
| def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2), |
| "sbb{b} {$src2, $dst|$dst, $src2}">; |
| def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "sbb{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| |
| def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}">; |
| def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}", []>; |
| |
| def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i8imm:$src2), |
| "sbb{w} {$src2, $dst|$dst, $src2}">, OpSize; |
| def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "sbb{l} {$src2, $dst|$dst, $src2}">; |
| |
| let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y |
| def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2), |
| "imul{w} {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2), |
| "imul{l} {$src2, $dst|$dst, $src2}">, TB; |
| } |
| def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2), |
| "imul{w} {$src2, $dst|$dst, $src2}">, TB, OpSize; |
| def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), |
| "imul{l} {$src2, $dst|$dst, $src2}">, TB; |
| |
| } // end Two Address instructions |
| |
| // Suprisingly enough, these are not two address instructions! |
| def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16 |
| (ops R16:$dst, R16:$src1, i16imm:$src2), |
| "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}">, |
| OpSize; |
| def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32 |
| (ops R32:$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, i8imm:$src2), |
| "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}">, OpSize; |
| def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8 |
| (ops R32:$dst, R32:$src1, i8imm:$src2), |
| "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}">; |
| |
| def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16 |
| (ops R32:$dst, i16mem:$src1, i16imm:$src2), |
| "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}">, OpSize; |
| def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32 |
| (ops R32:$dst, i32mem:$src1, i32imm:$src2), |
| "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}", []>; |
| def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8 |
| (ops R32:$dst, i16mem:$src1, i8imm :$src2), |
| "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}">, OpSize; |
| def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8 |
| (ops R32:$dst, i32mem:$src1, i8imm: $src2), |
| "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}">; |
| |
| //===----------------------------------------------------------------------===// |
| // Test instructions are just like AND, except they don't generate a result. |
| // |
| let isCommutable = 1 in { // TEST X, Y --> TEST Y, X |
| def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2), |
| "test{b} {$src2, $src1|$src1, $src2}">; |
| def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2), |
| "test{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2), |
| "test{l} {$src2, $src1|$src1, $src2}">; |
| } |
| def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2), |
| "test{b} {$src2, $src1|$src1, $src2}">; |
| def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2), |
| "test{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2), |
| "test{l} {$src2, $src1|$src1, $src2}">; |
| def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2), |
| "test{b} {$src2, $src1|$src1, $src2}">; |
| def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2), |
| "test{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2), |
| "test{l} {$src2, $src1|$src1, $src2}">; |
| |
| def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8 |
| (ops R8:$src1, i8imm:$src2), |
| "test{b} {$src2, $src1|$src1, $src2}">; |
| def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16 |
| (ops R16:$src1, i16imm:$src2), |
| "test{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32 |
| (ops R32:$src1, i32imm:$src2), |
| "test{l} {$src2, $src1|$src1, $src2}", []>; |
| def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8 |
| (ops i32mem:$src1, i8imm:$src2), |
| "test{b} {$src2, $src1|$src1, $src2}">; |
| def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16 |
| (ops i16mem:$src1, i16imm:$src2), |
| "test{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32 |
| (ops i32mem:$src1, i32imm:$src2), |
| "test{l} {$src2, $src1|$src1, $src2}", []>; |
| |
| |
| |
| // Condition code ops, incl. set if equal/not equal/... |
| def SAHF : I<0x9E, RawFrm, (ops), "sahf">, Imp<[AH],[]>; // flags = AH |
| def LAHF : I<0x9F, RawFrm, (ops), "lahf">, Imp<[],[AH]>; // AH = flags |
| |
| def SETBr : I<0x92, MRM0r, |
| (ops R8 :$dst), "setb $dst">, TB; // R8 = < unsign |
| def SETBm : I<0x92, MRM0m, |
| (ops i8mem:$dst), "setb $dst">, TB; // [mem8] = < unsign |
| def SETAEr : I<0x93, MRM0r, |
| (ops R8 :$dst), "setae $dst">, TB; // R8 = >= unsign |
| def SETAEm : I<0x93, MRM0m, |
| (ops i8mem:$dst), "setae $dst">, TB; // [mem8] = >= unsign |
| def SETEr : I<0x94, MRM0r, |
| (ops R8 :$dst), "sete $dst">, TB; // R8 = == |
| def SETEm : I<0x94, MRM0m, |
| (ops i8mem:$dst), "sete $dst">, TB; // [mem8] = == |
| def SETNEr : I<0x95, MRM0r, |
| (ops R8 :$dst), "setne $dst">, TB; // R8 = != |
| def SETNEm : I<0x95, MRM0m, |
| (ops i8mem:$dst), "setne $dst">, TB; // [mem8] = != |
| def SETBEr : I<0x96, MRM0r, |
| (ops R8 :$dst), "setbe $dst">, TB; // R8 = <= unsign |
| def SETBEm : I<0x96, MRM0m, |
| (ops i8mem:$dst), "setbe $dst">, TB; // [mem8] = <= unsign |
| def SETAr : I<0x97, MRM0r, |
| (ops R8 :$dst), "seta $dst">, TB; // R8 = > signed |
| def SETAm : I<0x97, MRM0m, |
| (ops i8mem:$dst), "seta $dst">, TB; // [mem8] = > signed |
| def SETSr : I<0x98, MRM0r, |
| (ops R8 :$dst), "sets $dst">, TB; // R8 = <sign bit> |
| def SETSm : I<0x98, MRM0m, |
| (ops i8mem:$dst), "sets $dst">, TB; // [mem8] = <sign bit> |
| def SETNSr : I<0x99, MRM0r, |
| (ops R8 :$dst), "setns $dst">, TB; // R8 = !<sign bit> |
| def SETNSm : I<0x99, MRM0m, |
| (ops i8mem:$dst), "setns $dst">, TB; // [mem8] = !<sign bit> |
| def SETPr : I<0x9A, MRM0r, |
| (ops R8 :$dst), "setp $dst">, TB; // R8 = parity |
| def SETPm : I<0x9A, MRM0m, |
| (ops i8mem:$dst), "setp $dst">, TB; // [mem8] = parity |
| def SETNPr : I<0x9B, MRM0r, |
| (ops R8 :$dst), "setnp $dst">, TB; // R8 = not parity |
| def SETNPm : I<0x9B, MRM0m, |
| (ops i8mem:$dst), "setnp $dst">, TB; // [mem8] = not parity |
| def SETLr : I<0x9C, MRM0r, |
| (ops R8 :$dst), "setl $dst">, TB; // R8 = < signed |
| def SETLm : I<0x9C, MRM0m, |
| (ops i8mem:$dst), "setl $dst">, TB; // [mem8] = < signed |
| def SETGEr : I<0x9D, MRM0r, |
| (ops R8 :$dst), "setge $dst">, TB; // R8 = >= signed |
| def SETGEm : I<0x9D, MRM0m, |
| (ops i8mem:$dst), "setge $dst">, TB; // [mem8] = >= signed |
| def SETLEr : I<0x9E, MRM0r, |
| (ops R8 :$dst), "setle $dst">, TB; // R8 = <= signed |
| def SETLEm : I<0x9E, MRM0m, |
| (ops i8mem:$dst), "setle $dst">, TB; // [mem8] = <= signed |
| def SETGr : I<0x9F, MRM0r, |
| (ops R8 :$dst), "setg $dst">, TB; // R8 = < signed |
| def SETGm : I<0x9F, MRM0m, |
| (ops i8mem:$dst), "setg $dst">, TB; // [mem8] = < signed |
| |
| // Integer comparisons |
| def CMP8rr : I<0x38, MRMDestReg, |
| (ops R8 :$src1, R8 :$src2), |
| "cmp{b} {$src2, $src1|$src1, $src2}">; |
| def CMP16rr : I<0x39, MRMDestReg, |
| (ops R16:$src1, R16:$src2), |
| "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def CMP32rr : I<0x39, MRMDestReg, |
| (ops R32:$src1, R32:$src2), |
| "cmp{l} {$src2, $src1|$src1, $src2}">; |
| def CMP8mr : I<0x38, MRMDestMem, |
| (ops i8mem :$src1, R8 :$src2), |
| "cmp{b} {$src2, $src1|$src1, $src2}">; |
| def CMP16mr : I<0x39, MRMDestMem, |
| (ops i16mem:$src1, R16:$src2), |
| "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def CMP32mr : I<0x39, MRMDestMem, |
| (ops i32mem:$src1, R32:$src2), |
| "cmp{l} {$src2, $src1|$src1, $src2}">; |
| def CMP8rm : I<0x3A, MRMSrcMem, |
| (ops R8 :$src1, i8mem :$src2), |
| "cmp{b} {$src2, $src1|$src1, $src2}">; |
| def CMP16rm : I<0x3B, MRMSrcMem, |
| (ops R16:$src1, i16mem:$src2), |
| "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def CMP32rm : I<0x3B, MRMSrcMem, |
| (ops R32:$src1, i32mem:$src2), |
| "cmp{l} {$src2, $src1|$src1, $src2}">; |
| def CMP8ri : Ii8<0x80, MRM7r, |
| (ops R16:$src1, i8imm:$src2), |
| "cmp{b} {$src2, $src1|$src1, $src2}">; |
| def CMP16ri : Ii16<0x81, MRM7r, |
| (ops R16:$src1, i16imm:$src2), |
| "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def CMP32ri : Ii32<0x81, MRM7r, |
| (ops R32:$src1, i32imm:$src2), |
| "cmp{l} {$src2, $src1|$src1, $src2}", []>; |
| def CMP8mi : Ii8 <0x80, MRM7m, |
| (ops i8mem :$src1, i8imm :$src2), |
| "cmp{b} {$src2, $src1|$src1, $src2}">; |
| def CMP16mi : Ii16<0x81, MRM7m, |
| (ops i16mem:$src1, i16imm:$src2), |
| "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize; |
| def CMP32mi : Ii32<0x81, MRM7m, |
| (ops i32mem:$src1, i32imm:$src2), |
| "cmp{l} {$src2, $src1|$src1, $src2}", []>; |
| |
| // Sign/Zero extenders |
| def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src), |
| "movs{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize; |
| def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src), |
| "movs{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize; |
| def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src), |
| "movs{bl|x} {$src, $dst|$dst, $src}">, TB; |
| def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src), |
| "movs{bl|x} {$src, $dst|$dst, $src}">, TB; |
| def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src), |
| "movs{wl|x} {$src, $dst|$dst, $src}">, TB; |
| def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src), |
| "movs{wl|x} {$src, $dst|$dst, $src}">, TB; |
| |
| def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src), |
| "movz{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize; |
| def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src), |
| "movz{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize; |
| def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src), |
| "movz{bl|x} {$src, $dst|$dst, $src}">, TB; |
| def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src), |
| "movz{bl|x} {$src, $dst|$dst, $src}">, TB; |
| def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src), |
| "movz{wl|x} {$src, $dst|$dst, $src}">, TB; |
| def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src), |
| "movz{wl|x} {$src, $dst|$dst, $src}">, TB; |
| |
| //===----------------------------------------------------------------------===// |
| // XMM Floating point support (requires SSE2) |
| //===----------------------------------------------------------------------===// |
| |
| def MOVSSrr : I<0x10, MRMSrcReg, (ops V4F4:$dst, V4F4:$src), |
| "movss {$src, $dst|$dst, $src}">, XS; |
| def MOVSSrm : I<0x10, MRMSrcMem, (ops V4F4:$dst, f32mem:$src), |
| "movss {$src, $dst|$dst, $src}">, XS; |
| def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, V4F4:$src), |
| "movss {$src, $dst|$dst, $src}">, XS; |
| def MOVSDrr : I<0x10, MRMSrcReg, (ops V2F8:$dst, V2F8:$src), |
| "movsd {$src, $dst|$dst, $src}">, XD; |
| def MOVSDrm : I<0x10, MRMSrcMem, (ops V2F8:$dst, f64mem:$src), |
| "movsd {$src, $dst|$dst, $src}">, XD; |
| def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, V2F8:$src), |
| "movsd {$src, $dst|$dst, $src}">, XD; |
| |
| def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V2F8:$src), |
| "cvttsd2si {$src, $dst|$dst, $src}">, XD; |
| def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src), |
| "cvttsd2si {$src, $dst|$dst, $src}">, XD; |
| def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V4F4:$src), |
| "cvttss2si {$src, $dst|$dst, $src}">, XS; |
| def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src), |
| "cvttss2si {$src, $dst|$dst, $src}">, XS; |
| def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops V4F4:$dst, V2F8:$src), |
| "cvtsd2ss {$src, $dst|$dst, $src}">, XS; |
| def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops V4F4:$dst, f64mem:$src), |
| "cvtsd2ss {$src, $dst|$dst, $src}">, XS; |
| def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops V2F8:$dst, V4F4:$src), |
| "cvtss2sd {$src, $dst|$dst, $src}">, XD; |
| def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops V2F8:$dst, f32mem:$src), |
| "cvtss2sd {$src, $dst|$dst, $src}">, XD; |
| def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops V4F4:$dst, R32:$src), |
| "cvtsi2ss {$src, $dst|$dst, $src}">, XS; |
| def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops V4F4:$dst, i32mem:$src), |
| "cvtsi2ss {$src, $dst|$dst, $src}">, XS; |
| def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops V2F8:$dst, R32:$src), |
| "cvtsi2sd {$src, $dst|$dst, $src}">, XD; |
| def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops V2F8:$dst, i32mem:$src), |
| "cvtsi2sd {$src, $dst|$dst, $src}">, XD; |
| |
| def SQRTSSrm : I<0x51, MRMSrcMem, (ops V4F4:$dst, f32mem:$src), |
| "subss {$src, $dst|$dst, $src}">, XS; |
| def SQRTSSrr : I<0x51, MRMSrcReg, (ops V4F4:$dst, V4F4:$src), |
| "subss {$src, $dst|$dst, $src}">, XS; |
| def SQRTSDrm : I<0x51, MRMSrcMem, (ops V2F8:$dst, f64mem:$src), |
| "subsd {$src, $dst|$dst, $src}">, XD; |
| def SQRTSDrr : I<0x51, MRMSrcReg, (ops V2F8:$dst, V2F8:$src), |
| "subsd {$src, $dst|$dst, $src}">, XD; |
| |
| def UCOMISDrr: I<0x2E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src), |
| "ucomisd {$src, $dst|$dst, $src}">, TB, OpSize; |
| def UCOMISDrm: I<0x2E, MRMSrcMem, (ops V2F8:$dst, f64mem:$src), |
| "ucomisd {$src, $dst|$dst, $src}">, TB, OpSize; |
| def UCOMISSrr: I<0x2E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src), |
| "ucomiss {$src, $dst|$dst, $src}">, TB; |
| def UCOMISSrm: I<0x2E, MRMSrcMem, (ops V4F4:$dst, f32mem:$src), |
| "ucomiss {$src, $dst|$dst, $src}">, TB; |
| |
| // Pseudo-instructions that map to fld0 to xorps/xorpd for sse. |
| // FIXME: remove when we can teach regalloc that xor reg, reg is ok. |
| def FLD0SS : I<0x57, MRMSrcReg, (ops V4F4:$dst), |
| "xorps $dst, $dst">, TB; |
| def FLD0SD : I<0x57, MRMSrcReg, (ops V2F8:$dst), |
| "xorpd $dst, $dst">, TB, OpSize; |
| |
| let isTwoAddress = 1 in { |
| let isCommutable = 1 in { |
| def ADDSSrr : I<0x58, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "addss {$src, $dst|$dst, $src}">, XS; |
| def ADDSDrr : I<0x58, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "addsd {$src, $dst|$dst, $src}">, XD; |
| def ANDPSrr : I<0x54, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "andps {$src, $dst|$dst, $src}">, TB; |
| def ANDPDrr : I<0x54, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "andpd {$src, $dst|$dst, $src}">, TB, OpSize; |
| def MULSSrr : I<0x59, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "mulss {$src, $dst|$dst, $src}">, XS; |
| def MULSDrr : I<0x59, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "mulsd {$src, $dst|$dst, $src}">, XD; |
| def ORPSrr : I<0x56, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "orps {$src, $dst|$dst, $src}">, TB; |
| def ORPDrr : I<0x56, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "orpd {$src, $dst|$dst, $src}">, TB, OpSize; |
| def XORPSrr : I<0x57, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "xorps {$src, $dst|$dst, $src}">, TB; |
| def XORPDrr : I<0x57, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "xorpd {$src, $dst|$dst, $src}">, TB, OpSize; |
| } |
| def ANDNPSrr : I<0x55, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "andnps {$src, $dst|$dst, $src}">, TB; |
| def ANDNPDrr : I<0x55, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "andnpd {$src, $dst|$dst, $src}">, TB, OpSize; |
| def ADDSSrm : I<0x58, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src), |
| "addss {$src, $dst|$dst, $src}">, XS; |
| def ADDSDrm : I<0x58, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src), |
| "addsd {$src, $dst|$dst, $src}">, XD; |
| def MULSSrm : I<0x59, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src), |
| "mulss {$src, $dst|$dst, $src}">, XS; |
| def MULSDrm : I<0x59, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src), |
| "mulsd {$src, $dst|$dst, $src}">, XD; |
| |
| def DIVSSrm : I<0x5E, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src), |
| "divss {$src, $dst|$dst, $src}">, XS; |
| def DIVSSrr : I<0x5E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "divss {$src, $dst|$dst, $src}">, XS; |
| def DIVSDrm : I<0x5E, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src), |
| "divsd {$src, $dst|$dst, $src}">, XD; |
| def DIVSDrr : I<0x5E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "divsd {$src, $dst|$dst, $src}">, XD; |
| |
| def SUBSSrm : I<0x5C, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src), |
| "subss {$src, $dst|$dst, $src}">, XS; |
| def SUBSSrr : I<0x5C, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src), |
| "subss {$src, $dst|$dst, $src}">, XS; |
| def SUBSDrm : I<0x5C, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src), |
| "subsd {$src, $dst|$dst, $src}">, XD; |
| def SUBSDrr : I<0x5C, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src), |
| "subsd {$src, $dst|$dst, $src}">, XD; |
| |
| def CMPSSrr : I<0xC2, MRMSrcReg, |
| (ops V4F4:$dst, V4F4:$src1, V4F4:$src, SSECC:$cc), |
| "cmp${cc}ss {$src, $dst|$dst, $src}">, XS; |
| def CMPSSrm : I<0xC2, MRMSrcMem, |
| (ops V4F4:$dst, V4F4:$src1, f32mem:$src, SSECC:$cc), |
| "cmp${cc}ss {$src, $dst|$dst, $src}">, XS; |
| def CMPSDrr : I<0xC2, MRMSrcReg, |
| (ops V2F8:$dst, V2F8:$src1, V2F8:$src, SSECC:$cc), |
| "cmp${cc}sd {$src, $dst|$dst, $src}">, XD; |
| def CMPSDrm : I<0xC2, MRMSrcMem, |
| (ops V2F8:$dst, V2F8:$src1, f64mem:$src, SSECC:$cc), |
| "cmp${cc}sd {$src, $dst|$dst, $src}">, XD; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Stack-based Floating point support |
| //===----------------------------------------------------------------------===// |
| |
| // FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP' |
| |
| // Floating point instruction template |
| class FPI<bits<8> o, Format F, FPFormat fp, dag ops, string asm> |
| : X86Inst<o, F, NoImm, ops, asm> { |
| let FPForm = fp; let FPFormBits = FPForm.Value; |
| } |
| |
| // Pseudo instructions for floating point. We use these pseudo instructions |
| // because they can be expanded by the fp spackifier into one of many different |
| // forms of instructions for doing these operations. Until the stackifier runs, |
| // we prefer to be abstract. |
| def FpMOV : FPI<0, Pseudo, SpecialFP, |
| (ops RFP:$dst, RFP:$src), "">; // f1 = fmov f2 |
| def FpADD : FPI<0, Pseudo, TwoArgFP , |
| (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fadd f2, f3 |
| def FpSUB : FPI<0, Pseudo, TwoArgFP , |
| (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fsub f2, f3 |
| def FpMUL : FPI<0, Pseudo, TwoArgFP , |
| (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fmul f2, f3 |
| def FpDIV : FPI<0, Pseudo, TwoArgFP , |
| (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fdiv f2, f3 |
| |
| def FpGETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP:$dst), "">, |
| Imp<[ST0], []>; // FPR = ST(0) |
| |
| def FpSETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP:$src), "">, |
| Imp<[], [ST0]>; // ST(0) = FPR |
| |
| // FADD reg, mem: Before stackification, these are represented by: |
| // R1 = FADD* R2, [mem] |
| def FADD32m : FPI<0xD8, MRM0m, OneArgFPRW, // ST(0) = ST(0) + [mem32real] |
| (ops f32mem:$src, variable_ops), |
| "fadd{s} $src">; |
| def FADD64m : FPI<0xDC, MRM0m, OneArgFPRW, // ST(0) = ST(0) + [mem64real] |
| (ops f64mem:$src, variable_ops), |
| "fadd{l} $src">; |
| //def FIADD16m : FPI<0xDE, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem16int] |
| //def FIADD32m : FPI<0xDA, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32int] |
| |
| // FMUL reg, mem: Before stackification, these are represented by: |
| // R1 = FMUL* R2, [mem] |
| def FMUL32m : FPI<0xD8, MRM1m, OneArgFPRW, // ST(0) = ST(0) * [mem32real] |
| (ops f32mem:$src, variable_ops), |
| "fmul{s} $src">; |
| def FMUL64m : FPI<0xDC, MRM1m, OneArgFPRW, // ST(0) = ST(0) * [mem64real] |
| (ops f64mem:$src, variable_ops), |
| "fmul{l} $src">; |
| // ST(0) = ST(0) * [mem16int] |
| //def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>; |
| // ST(0) = ST(0) * [mem32int] |
| //def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>; |
| |
| // FSUB reg, mem: Before stackification, these are represented by: |
| // R1 = FSUB* R2, [mem] |
| def FSUB32m : FPI<0xD8, MRM4m, OneArgFPRW, // ST(0) = ST(0) - [mem32real] |
| (ops f32mem:$src, variable_ops), |
| "fsub{s} $src">; |
| def FSUB64m : FPI<0xDC, MRM4m, OneArgFPRW, // ST(0) = ST(0) - [mem64real] |
| (ops f64mem:$src, variable_ops), |
| "fsub{l} $src">; |
| // ST(0) = ST(0) - [mem16int] |
| //def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>; |
| // ST(0) = ST(0) - [mem32int] |
| //def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>; |
| |
| // FSUBR reg, mem: Before stackification, these are represented by: |
| // R1 = FSUBR* R2, [mem] |
| |
| // Note that the order of operands does not reflect the operation being |
| // performed. |
| def FSUBR32m : FPI<0xD8, MRM5m, OneArgFPRW, // ST(0) = [mem32real] - ST(0) |
| (ops f32mem:$src, variable_ops), |
| "fsubr{s} $src">; |
| def FSUBR64m : FPI<0xDC, MRM5m, OneArgFPRW, // ST(0) = [mem64real] - ST(0) |
| (ops f64mem:$src, variable_ops), |
| "fsubr{l} $src">; |
| // ST(0) = [mem16int] - ST(0) |
| //def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>; |
| // ST(0) = [mem32int] - ST(0) |
| //def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>; |
| |
| // FDIV reg, mem: Before stackification, these are represented by: |
| // R1 = FDIV* R2, [mem] |
| def FDIV32m : FPI<0xD8, MRM6m, OneArgFPRW, // ST(0) = ST(0) / [mem32real] |
| (ops f32mem:$src, variable_ops), |
| "fdiv{s} $src">; |
| def FDIV64m : FPI<0xDC, MRM6m, OneArgFPRW, // ST(0) = ST(0) / [mem64real] |
| (ops f64mem:$src, variable_ops), |
| "fdiv{l} $src">; |
| // ST(0) = ST(0) / [mem16int] |
| //def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>; |
| // ST(0) = ST(0) / [mem32int] |
| //def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>; |
| |
| // FDIVR reg, mem: Before stackification, these are represented by: |
| // R1 = FDIVR* R2, [mem] |
| // Note that the order of operands does not reflect the operation being |
| // performed. |
| def FDIVR32m : FPI<0xD8, MRM7m, OneArgFPRW, // ST(0) = [mem32real] / ST(0) |
| (ops f32mem:$src, variable_ops), |
| "fdivr{s} $src">; |
| def FDIVR64m : FPI<0xDC, MRM7m, OneArgFPRW, // ST(0) = [mem64real] / ST(0) |
| (ops f64mem:$src, variable_ops), |
| "fdivr{l} $src">; |
| // ST(0) = [mem16int] / ST(0) |
| //def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>; |
| // ST(0) = [mem32int] / ST(0) |
| //def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>; |
| |
| |
| // Floating point cmovs... |
| let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in { |
| def FCMOVB : FPI<0xC0, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA; |
| def FCMOVBE : FPI<0xD0, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA; |
| def FCMOVE : FPI<0xC8, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmove {$op, %ST(0)|%ST(0), $op}">, DA; |
| def FCMOVP : FPI<0xD8, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA; |
| def FCMOVAE : FPI<0xC0, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB; |
| def FCMOVA : FPI<0xD0, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmova {$op, %ST(0)|%ST(0), $op}">, DB; |
| def FCMOVNE : FPI<0xC8, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB; |
| def FCMOVNP : FPI<0xD8, AddRegFrm, CondMovFP, |
| (ops RST:$op, variable_ops), |
| "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB; |
| } |
| |
| // Floating point loads & stores... |
| // FIXME: these are all marked variable_ops because they have an implicit |
| // destination. Instructions like FILD* that are generated by the instruction |
| // selector (not the fp stackifier) need more accurate operand accounting. |
| def FLDrr : FPI<0xC0, AddRegFrm, NotFP, |
| (ops RST:$src, variable_ops), |
| "fld $src">, D9; |
| def FLD32m : FPI<0xD9, MRM0m, ZeroArgFP, |
| (ops f32mem:$src, variable_ops), |
| "fld{s} $src">; |
| def FLD64m : FPI<0xDD, MRM0m, ZeroArgFP, |
| (ops f64mem:$src, variable_ops), |
| "fld{l} $src">; |
| def FLD80m : FPI<0xDB, MRM5m, ZeroArgFP, |
| (ops f80mem:$src, variable_ops), |
| "fld{t} $src">; |
| def FILD16m : FPI<0xDF, MRM0m, ZeroArgFP, |
| (ops i16mem:$src, variable_ops), |
| "fild{s} $src">; |
| def FILD32m : FPI<0xDB, MRM0m, ZeroArgFP, |
| (ops i32mem:$src, variable_ops), |
| "fild{l} $src">; |
| def FILD64m : FPI<0xDF, MRM5m, ZeroArgFP, |
| (ops i64mem:$src, variable_ops), |
| "fild{ll} $src">; |
| |
| def FSTrr : FPI<0xD0, AddRegFrm, NotFP, |
| (ops RST:$op, variable_ops), |
| "fst $op">, DD; |
| def FSTPrr : FPI<0xD8, AddRegFrm, NotFP, |
| (ops RST:$op, variable_ops), |
| "fstp $op">, DD; |
| def FST32m : FPI<0xD9, MRM2m, OneArgFP, |
| (ops f32mem:$op, variable_ops), |
| "fst{s} $op">; |
| def FST64m : FPI<0xDD, MRM2m, OneArgFP, |
| (ops f64mem:$op, variable_ops), |
| "fst{l} $op">; |
| def FSTP32m : FPI<0xD9, MRM3m, OneArgFP, |
| (ops f32mem:$op, variable_ops), |
| "fstp{s} $op">; |
| def FSTP64m : FPI<0xDD, MRM3m, OneArgFP, |
| (ops f64mem:$op, variable_ops), |
| "fstp{l} $op">; |
| def FSTP80m : FPI<0xDB, MRM7m, OneArgFP, |
| (ops f80mem:$op, variable_ops), |
| "fstp{t} $op">; |
| |
| def FIST16m : FPI<0xDF, MRM2m , OneArgFP, |
| (ops i16mem:$op, variable_ops), |
| "fist{s} $op">; |
| def FIST32m : FPI<0xDB, MRM2m , OneArgFP, |
| (ops i32mem:$op, variable_ops), |
| "fist{l} $op">; |
| def FISTP16m : FPI<0xDF, MRM3m , NotFP , |
| (ops i16mem:$op, variable_ops), |
| "fistp{s} $op">; |
| def FISTP32m : FPI<0xDB, MRM3m , NotFP , |
| (ops i32mem:$op, variable_ops), |
| "fistp{l} $op">; |
| def FISTP64m : FPI<0xDF, MRM7m , OneArgFP, |
| (ops i64mem:$op, variable_ops), |
| "fistp{ll} $op">; |
| |
| def FXCH : FPI<0xC8, AddRegFrm, NotFP, |
| (ops RST:$op), "fxch $op">, D9; // fxch ST(i), ST(0) |
| |
| // Floating point constant loads... |
| def FLD0 : FPI<0xEE, RawFrm, ZeroArgFP, (ops variable_ops), "fldz">, D9; |
| def FLD1 : FPI<0xE8, RawFrm, ZeroArgFP, (ops variable_ops), "fld1">, D9; |
| |
| |
| // Unary operations... |
| def FCHS : FPI<0xE0, RawFrm, OneArgFPRW, // f1 = fchs f2 |
| (ops variable_ops), |
| "fchs">, D9; |
| def FABS : FPI<0xE1, RawFrm, OneArgFPRW, // f1 = fabs f2 |
| (ops variable_ops), |
| "fabs">, D9; |
| def FSQRT : FPI<0xFA, RawFrm, OneArgFPRW, // fsqrt ST(0) |
| (ops variable_ops), |
| "fsqrt">, D9; |
| def FSIN : FPI<0xFE, RawFrm, OneArgFPRW, // fsin ST(0) |
| (ops variable_ops), |
| "fsin">, D9; |
| def FCOS : FPI<0xFF, RawFrm, OneArgFPRW, // fcos ST(0) |
| (ops variable_ops), |
| "fcos">, D9; |
| def FTST : FPI<0xE4, RawFrm, OneArgFP , // ftst ST(0) |
| (ops variable_ops), |
| "ftst">, D9; |
| |
| // Binary arithmetic operations... |
| class FPST0rInst<bits<8> o, dag ops, string asm> |
| : I<o, AddRegFrm, ops, asm>, D8 { |
| list<Register> Uses = [ST0]; |
| list<Register> Defs = [ST0]; |
| } |
| class FPrST0Inst<bits<8> o, dag ops, string asm> |
| : I<o, AddRegFrm, ops, asm>, DC { |
| list<Register> Uses = [ST0]; |
| } |
| class FPrST0PInst<bits<8> o, dag ops, string asm> |
| : I<o, AddRegFrm, ops, asm>, DE { |
| list<Register> Uses = [ST0]; |
| } |
| |
| def FADDST0r : FPST0rInst <0xC0, (ops RST:$op), |
| "fadd $op">; |
| def FADDrST0 : FPrST0Inst <0xC0, (ops RST:$op), |
| "fadd {%ST(0), $op|$op, %ST(0)}">; |
| def FADDPrST0 : FPrST0PInst<0xC0, (ops RST:$op), |
| "faddp $op">; |
| |
| // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion |
| // of some of the 'reverse' forms of the fsub and fdiv instructions. As such, |
| // we have to put some 'r's in and take them out of weird places. |
| def FSUBRST0r : FPST0rInst <0xE8, (ops RST:$op), |
| "fsubr $op">; |
| def FSUBrST0 : FPrST0Inst <0xE8, (ops RST:$op), |
| "fsub{r} {%ST(0), $op|$op, %ST(0)}">; |
| def FSUBPrST0 : FPrST0PInst<0xE8, (ops RST:$op), |
| "fsub{r}p $op">; |
| |
| def FSUBST0r : FPST0rInst <0xE0, (ops RST:$op), |
| "fsub $op">; |
| def FSUBRrST0 : FPrST0Inst <0xE0, (ops RST:$op), |
| "fsub{|r} {%ST(0), $op|$op, %ST(0)}">; |
| def FSUBRPrST0 : FPrST0PInst<0xE0, (ops RST:$op), |
| "fsub{|r}p $op">; |
| |
| def FMULST0r : FPST0rInst <0xC8, (ops RST:$op), |
| "fmul $op">; |
| def FMULrST0 : FPrST0Inst <0xC8, (ops RST:$op), |
| "fmul {%ST(0), $op|$op, %ST(0)}">; |
| def FMULPrST0 : FPrST0PInst<0xC8, (ops RST:$op), |
| "fmulp $op">; |
| |
| def FDIVRST0r : FPST0rInst <0xF8, (ops RST:$op), |
| "fdivr $op">; |
| def FDIVrST0 : FPrST0Inst <0xF8, (ops RST:$op), |
| "fdiv{r} {%ST(0), $op|$op, %ST(0)}">; |
| def FDIVPrST0 : FPrST0PInst<0xF8, (ops RST:$op), |
| "fdiv{r}p $op">; |
| |
| def FDIVST0r : FPST0rInst <0xF0, (ops RST:$op), // ST(0) = ST(0) / ST(i) |
| "fdiv $op">; |
| def FDIVRrST0 : FPrST0Inst <0xF0, (ops RST:$op), // ST(i) = ST(0) / ST(i) |
| "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">; |
| def FDIVRPrST0 : FPrST0PInst<0xF0, (ops RST:$op), // ST(i) = ST(0) / ST(i), pop |
| "fdiv{|r}p $op">; |
| |
| // Floating point compares |
| def FUCOMr : FPI<0xE0, AddRegFrm, CompareFP, // FPSW = cmp ST(0) with ST(i) |
| (ops RST:$reg, variable_ops), |
| "fucom $reg">, DD, Imp<[ST0],[]>; |
| def FUCOMPr : I<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop |
| (ops RST:$reg, variable_ops), |
| "fucomp $reg">, DD, Imp<[ST0],[]>; |
| def FUCOMPPr : I<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop |
| (ops variable_ops), |
| "fucompp">, DA, Imp<[ST0],[]>; |
| |
| def FUCOMIr : FPI<0xE8, AddRegFrm, CompareFP, // CC = cmp ST(0) with ST(i) |
| (ops RST:$reg, variable_ops), |
| "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>; |
| def FUCOMIPr : I<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop |
| (ops RST:$reg, variable_ops), |
| "fucomip {$reg, %ST(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>; |
| |
| |
| // Floating point flag ops |
| def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags |
| (ops), "fnstsw">, DF, Imp<[],[AX]>; |
| |
| def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world |
| (ops i16mem:$dst), "fnstcw $dst">; |
| def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16] |
| (ops i16mem:$dst), "fldcw $dst">; |