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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15657 91177308-0d34-0410-b5e6-96231b3b80d8
1061 lines
58 KiB
C++
1061 lines
58 KiB
C++
//===- X86InstrInfo.td - Describe the X86 Instruction Set -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the X86 instruction set, defining the instructions, and
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// properties of the instructions which are needed for code generation, machine
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// code emission, and analysis.
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//
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//===----------------------------------------------------------------------===//
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// *mem - Operand definitions for the funky X86 addressing mode operands.
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//
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class X86MemOperand<ValueType Ty> : Operand<Ty> {
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let NumMIOperands = 4;
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let PrintMethod = "printMemoryOperand";
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}
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def i8mem : X86MemOperand<i8>;
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def i16mem : X86MemOperand<i16>;
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def i32mem : X86MemOperand<i32>;
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def i64mem : X86MemOperand<i64>;
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def f32mem : X86MemOperand<f32>;
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def f64mem : X86MemOperand<f64>;
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def f80mem : X86MemOperand<f80>;
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// PCRelative calls need special operand formatting.
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let PrintMethod = "printCallOperand" in
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def calltarget : Operand<i32>;
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// Format specifies the encoding used by the instruction. This is part of the
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// ad-hoc solution used to emit machine instruction encodings by our machine
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// code emitter.
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class Format<bits<5> val> {
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bits<5> Value = val;
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}
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def Pseudo : Format<0>; def RawFrm : Format<1>;
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def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
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def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
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def MRMSrcMem : Format<6>;
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def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
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def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
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def MRM6r : Format<22>; def MRM7r : Format<23>;
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def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
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def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
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def MRM6m : Format<30>; def MRM7m : Format<31>;
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// ImmType - This specifies the immediate type used by an instruction. This is
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// part of the ad-hoc solution used to emit machine instruction encodings by our
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// machine code emitter.
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class ImmType<bits<2> val> {
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bits<2> Value = val;
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}
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def NoImm : ImmType<0>;
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def Imm8 : ImmType<1>;
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def Imm16 : ImmType<2>;
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def Imm32 : ImmType<3>;
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// MemType - This specifies the immediate type used by an instruction. This is
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// part of the ad-hoc solution used to emit machine instruction encodings by our
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// machine code emitter.
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class MemType<bits<3> val> {
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bits<3> Value = val;
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}
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def NoMem : MemType<0>;
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def Mem16 : MemType<2>;
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def Mem32 : MemType<3>;
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def Mem64 : MemType<4>;
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def Mem80 : MemType<5>;
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// FPFormat - This specifies what form this FP instruction has. This is used by
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// the Floating-Point stackifier pass.
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class FPFormat<bits<3> val> {
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bits<3> Value = val;
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}
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def NotFP : FPFormat<0>;
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def ZeroArgFP : FPFormat<1>;
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def OneArgFP : FPFormat<2>;
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def OneArgFPRW : FPFormat<3>;
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def TwoArgFP : FPFormat<4>;
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def CompareFP : FPFormat<5>;
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def CondMovFP : FPFormat<6>;
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def SpecialFP : FPFormat<7>;
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class X86Inst<string nam, bits<8> opcod, Format f, MemType m, ImmType i> : Instruction {
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let Namespace = "X86";
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let Name = nam;
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bits<8> Opcode = opcod;
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Format Form = f;
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bits<5> FormBits = Form.Value;
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MemType MemT = m;
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bits<3> MemTypeBits = MemT.Value;
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ImmType ImmT = i;
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bits<2> ImmTypeBits = ImmT.Value;
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//
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// Attributes specific to X86 instructions...
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//
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bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
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// Flag whether implicit register usage is printed after the instruction.
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bit printImplicitUsesAfter = 0;
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bits<4> Prefix = 0; // Which prefix byte does this inst have?
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FPFormat FPForm; // What flavor of FP instruction is this?
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bits<3> FPFormBits = 0;
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}
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class Imp<list<Register> uses, list<Register> defs> {
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list<Register> Uses = uses;
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list<Register> Defs = defs;
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}
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// II - InstructionInfo - this will eventually replace the I class.
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class II<dag ops, string AsmStr> {
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dag OperandList = ops;
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string AsmString = AsmStr;
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}
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// Prefix byte classes which are used to indicate to the ad-hoc machine code
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// emitter that various prefix bytes are required.
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class OpSize { bit hasOpSizePrefix = 1; }
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class TB { bits<4> Prefix = 1; }
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class REP { bits<4> Prefix = 2; }
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class D8 { bits<4> Prefix = 3; }
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class D9 { bits<4> Prefix = 4; }
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class DA { bits<4> Prefix = 5; }
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class DB { bits<4> Prefix = 6; }
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class DC { bits<4> Prefix = 7; }
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class DD { bits<4> Prefix = 8; }
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class DE { bits<4> Prefix = 9; }
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class DF { bits<4> Prefix = 10; }
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//===----------------------------------------------------------------------===//
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// Instruction templates...
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class I<bits<8> o, Format f, dag ops, string asm> : X86Inst<"", o, f, NoMem, NoImm>, II<ops, asm>;
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class Ii<bits<8> o, Format f, ImmType i> : X86Inst<"", o, f, NoMem, i>;
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class Ii8 <bits<8> o, Format f, dag ops, string asm> : Ii<o, f, Imm8 >, II<ops, asm>;
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class Ii16<bits<8> o, Format f, dag ops, string asm> : Ii<o, f, Imm16>, II<ops, asm>;
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class Ii32<bits<8> o, Format f, dag ops, string asm> : Ii<o, f, Imm32>, II<ops, asm>;
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//===----------------------------------------------------------------------===//
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// Instruction list...
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//
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def PHI : I<0, Pseudo, (ops), "PHINODE">; // PHI node.
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def NOOP : I<0x90, RawFrm, (ops), "nop">; // nop
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def ADJCALLSTACKDOWN : I<0, Pseudo, (ops), "#ADJCALLSTACKDOWN">;
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def ADJCALLSTACKUP : I<0, Pseudo, (ops), "#ADJCALLSTACKUP">;
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def IMPLICIT_USE : I<0, Pseudo, (ops), "#IMPLICIT_USE">;
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def IMPLICIT_DEF : I<0, Pseudo, (ops), "#IMPLICIT_DEF">;
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let isTerminator = 1 in
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let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
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def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL">;
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//===----------------------------------------------------------------------===//
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// Control Flow Instructions...
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//
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// Return instruction...
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let isTerminator = 1, isReturn = 1, isBarrier = 1 in
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def RET : I<0xC3, RawFrm, (ops), "ret">;
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// All branches are RawFrm, Void, Branch, and Terminators
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let isBranch = 1, isTerminator = 1 in
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class IBr<bits<8> opcode, dag ops, string asm> : I<opcode, RawFrm, ops, asm>;
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let isBarrier = 1 in
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def JMP : IBr<0xE9, (ops i32imm:$dst), "jmp $dst">;
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def JB : IBr<0x82, (ops i32imm:$dst), "jb $dst">, TB;
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def JAE : IBr<0x83, (ops i32imm:$dst), "jae $dst">, TB;
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def JE : IBr<0x84, (ops i32imm:$dst), "je $dst">, TB;
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def JNE : IBr<0x85, (ops i32imm:$dst), "jne $dst">, TB;
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def JBE : IBr<0x86, (ops i32imm:$dst), "jbe $dst">, TB;
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def JA : IBr<0x87, (ops i32imm:$dst), "ja $dst">, TB;
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def JS : IBr<0x88, (ops i32imm:$dst), "js $dst">, TB;
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def JNS : IBr<0x89, (ops i32imm:$dst), "jns $dst">, TB;
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def JL : IBr<0x8C, (ops i32imm:$dst), "jl $dst">, TB;
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def JGE : IBr<0x8D, (ops i32imm:$dst), "jge $dst">, TB;
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def JLE : IBr<0x8E, (ops i32imm:$dst), "jle $dst">, TB;
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def JG : IBr<0x8F, (ops i32imm:$dst), "jg $dst">, TB;
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//===----------------------------------------------------------------------===//
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// Call Instructions...
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//
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let isCall = 1 in
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// All calls clobber the non-callee saved registers...
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let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6] in {
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def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst">;
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def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call $dst">;
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def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call $dst">;
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}
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//===----------------------------------------------------------------------===//
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// Miscellaneous Instructions...
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//
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def LEAVE : I<0xC9, RawFrm,
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(ops), "leave">, Imp<[EBP,ESP],[EBP,ESP]>;
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def POP32r : I<0x58, AddRegFrm,
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(ops R32:$reg), "pop $reg">, Imp<[ESP],[ESP]>;
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let isTwoAddress = 1 in // R32 = bswap R32
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def BSWAP32r : I<0xC8, AddRegFrm,
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(ops R32:$dst, R32:$src), "bswap $dst">, TB;
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def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
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(ops R8:$src1, R8:$src2), "xchg $src1, $src2">;
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def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
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(ops R16:$src1, R16:$src2), "xchg $src1, $src2">, OpSize;
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def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
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(ops R32:$src1, R32:$src2), "xchg $src1, $src2">;
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def XCHG8mr : I<0x86, MRMDestMem, (ops i8mem:$src1, R8:$src2), "xchg $src1, $src2">;
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def XCHG16mr : I<0x87, MRMDestMem, (ops i16mem:$src1, R16:$src2), "xchg $src1, $src2">, OpSize;
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def XCHG32mr : I<0x87, MRMDestMem, (ops i32mem:$src1, R32:$src2), "xchg $src1, $src2">;
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def XCHG8rm : I<0x86, MRMSrcMem , (ops R8:$src1, i8mem:$src2), "xchg $src1, $src2">;
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def XCHG16rm : I<0x87, MRMSrcMem , (ops R16:$src1, i16mem:$src2), "xchg $src1, $src2">, OpSize;
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def XCHG32rm : I<0x87, MRMSrcMem , (ops R32:$src1, i32mem:$src2), "xchg $src1, $src2">;
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def LEA16r : I<0x8D, MRMSrcMem, (ops R16:$dst, i32mem:$src), "lea $dst, $src">, OpSize;
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def LEA32r : I<0x8D, MRMSrcMem, (ops R32:$dst, i32mem:$src), "lea $dst, $src">;
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def REP_MOVSB : I<0xA4, RawFrm, (ops), "rep movsb">,
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Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
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def REP_MOVSW : I<0xA5, RawFrm, (ops), "rep movsw">,
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Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
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def REP_MOVSD : I<0xA5, RawFrm, (ops), "rep movsd">,
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Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
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def REP_STOSB : I<0xAA, RawFrm, (ops), "rep stosb">,
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Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
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def REP_STOSW : I<0xAB, RawFrm, (ops), "rep stosw">,
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Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
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def REP_STOSD : I<0xAB, RawFrm, (ops), "rep stosd">,
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Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
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//===----------------------------------------------------------------------===//
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// Input/Output Instructions...
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//
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def IN8rr : I<0xEC, RawFrm, (ops),
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"in %AL, %DX">, Imp<[DX], [AL]>;
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def IN16rr : I<0xED, RawFrm, (ops),
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"in %AX, %DX">, Imp<[DX], [AX]>, OpSize;
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def IN32rr : I<0xED, RawFrm, (ops),
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"in %EAX, %DX">, Imp<[DX],[EAX]>;
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def IN8ri : Ii16<0xE4, RawFrm, (ops i16imm:$port),
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"in %AL, $port">, Imp<[], [AL]>;
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def IN16ri : Ii16<0xE5, RawFrm, (ops i16imm:$port),
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"in %AX, $port">, Imp<[], [AX]>, OpSize;
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def IN32ri : Ii16<0xE5, RawFrm, (ops i16imm:$port),
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"in %EAX, $port">, Imp<[],[EAX]>;
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def OUT8rr : I<0xEE, RawFrm, (ops),
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"out %DX, %AL">, Imp<[DX, AL], []>;
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def OUT16rr : I<0xEF, RawFrm, (ops),
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"out %DX, %AX">, Imp<[DX, AX], []>, OpSize;
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def OUT32rr : I<0xEF, RawFrm, (ops),
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"out %DX, %EAX">, Imp<[DX, EAX], []>;
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def OUT8ir : Ii16<0xE6, RawFrm, (ops i16imm:$port),
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"out $port, %AL">, Imp<[AL], []>;
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def OUT16ir : Ii16<0xE7, RawFrm, (ops i16imm:$port),
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"out $port, %AX">, Imp<[AX], []>, OpSize;
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def OUT32ir : Ii16<0xE7, RawFrm, (ops i16imm:$port),
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"out $port, %EAX">, Imp<[EAX], []>;
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//===----------------------------------------------------------------------===//
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// Move Instructions...
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//
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def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src), "mov $dst, $src">;
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def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src), "mov $dst, $src">, OpSize;
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def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src), "mov $dst, $src">;
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def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src), "mov $dst, $src">;
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def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src), "mov $dst, $src">, OpSize;
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def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src), "mov $dst, $src">;
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def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src), "mov $dst, $src">;
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def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src), "mov $dst, $src">, OpSize;
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def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src), "mov $dst, $src">;
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def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src), "mov $dst, $src">;
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def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src), "mov $dst, $src">, OpSize;
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def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src), "mov $dst, $src">;
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def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src), "mov $dst, $src">;
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def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src), "mov $dst, $src">, OpSize;
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def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src), "mov $dst, $src">;
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//===----------------------------------------------------------------------===//
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// Fixed-Register Multiplication and Division Instructions...
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//
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// Extra precision multiplication
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def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul $src">,
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Imp<[AL],[AX]>; // AL,AH = AL*R8
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def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul $src">,
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Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
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def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul $src">,
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Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
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def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
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"mul $src">, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
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def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
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"mul $src">, Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*[mem16]
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def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
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"mul $src">, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
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// unsigned division/remainder
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def DIV8r : I<0xF6, MRM6r, (ops R8:$src), "div $src">,
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Imp<[AX],[AX]>; // AX/r8 = AL,AH
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def DIV16r : I<0xF7, MRM6r, (ops R16:$src), "div $src">,
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Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/r16 = AX,DX
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def DIV32r : I<0xF7, MRM6r, (ops R32:$src), "div $src">,
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Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/r32 = EAX,EDX
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def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), "div $src">, Imp<[AX],[AX]>; // AX/[mem8] = AL,AH
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def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), "div $src">, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/[mem16] = AX,DX
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def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), "div $src">, Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/[mem32] = EAX,EDX
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// Signed division/remainder.
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def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), "idiv $src">,
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Imp<[AX],[AX]>; // AX/r8 = AL,AH
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def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), "idiv $src">,
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Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/r16 = AX,DX
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def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), "idiv $src">,
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Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/r32 = EAX,EDX
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def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), "idiv $src">, Imp<[AX],[AX]>; // AX/[mem8] = AL,AH
|
|
def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), "idiv $src">, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/[mem16] = AX,DX
|
|
def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), "idiv $src">, Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/[mem32] = EAX,EDX
|
|
|
|
// Sign-extenders for division.
|
|
def CBW : I<0x98, RawFrm, (ops), "cbw">, Imp<[AL],[AH]>; // AX = signext(AL)
|
|
def CWD : I<0x99, RawFrm, (ops), "cwd">, Imp<[AX],[DX]>; // DX:AX = signext(AX)
|
|
def CDQ : I<0x99, RawFrm, (ops), "cdq">, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Two address Instructions...
|
|
//
|
|
let isTwoAddress = 1 in {
|
|
|
|
// Conditional moves
|
|
def CMOVB16rr : I<0x42, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovb $dst, $src2">, TB, OpSize; // if <u, R16 = R16
|
|
def CMOVB16rm : I<0x42, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovb $dst, $src2">, TB, OpSize; // if <u, R16 = [mem16]
|
|
def CMOVB32rr : I<0x42, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovb $dst, $src2">, TB; // if <u, R32 = R32
|
|
def CMOVB32rm : I<0x42, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovb $dst, $src2">, TB; // if <u, R32 = [mem32]
|
|
|
|
def CMOVAE16rr: I<0x43, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovae $dst, $src2">, TB, OpSize; // if >=u, R16 = R16
|
|
def CMOVAE16rm: I<0x43, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovae $dst, $src2">, TB, OpSize; // if >=u, R16 = [mem16]
|
|
def CMOVAE32rr: I<0x43, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovae $dst, $src2">, TB; // if >=u, R32 = R32
|
|
def CMOVAE32rm: I<0x43, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovae $dst, $src2">, TB; // if >=u, R32 = [mem32]
|
|
|
|
def CMOVE16rr : I<0x44, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmove $dst, $src2">, TB, OpSize; // if ==, R16 = R16
|
|
def CMOVE16rm : I<0x44, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmove $dst, $src2">, TB, OpSize; // if ==, R16 = [mem16]
|
|
def CMOVE32rr : I<0x44, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmove $dst, $src2">, TB; // if ==, R32 = R32
|
|
def CMOVE32rm : I<0x44, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmove $dst, $src2">, TB; // if ==, R32 = [mem32]
|
|
|
|
def CMOVNE16rr: I<0x45, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovne $dst, $src2">, TB, OpSize; // if !=, R16 = R16
|
|
def CMOVNE16rm: I<0x45, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovne $dst, $src2">, TB, OpSize; // if !=, R16 = [mem16]
|
|
def CMOVNE32rr: I<0x45, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovne $dst, $src2">, TB; // if !=, R32 = R32
|
|
def CMOVNE32rm: I<0x45, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovne $dst, $src2">, TB; // if !=, R32 = [mem32]
|
|
|
|
def CMOVBE16rr: I<0x46, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovbe $dst, $src2">, TB, OpSize; // if <=u, R16 = R16
|
|
def CMOVBE16rm: I<0x46, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovbe $dst, $src2">, TB, OpSize; // if <=u, R16 = [mem16]
|
|
def CMOVBE32rr: I<0x46, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovbe $dst, $src2">, TB; // if <=u, R32 = R32
|
|
def CMOVBE32rm: I<0x46, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovbe $dst, $src2">, TB; // if <=u, R32 = [mem32]
|
|
|
|
def CMOVA16rr : I<0x47, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmova $dst, $src2">, TB, OpSize; // if >u, R16 = R16
|
|
def CMOVA16rm : I<0x47, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmova $dst, $src2">, TB, OpSize; // if >u, R16 = [mem16]
|
|
def CMOVA32rr : I<0x47, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmova $dst, $src2">, TB; // if >u, R32 = R32
|
|
def CMOVA32rm : I<0x47, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmova $dst, $src2">, TB; // if >u, R32 = [mem32]
|
|
|
|
def CMOVS16rr : I<0x48, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovs $dst, $src2">, TB, OpSize; // if signed, R16 = R16
|
|
def CMOVS16rm : I<0x48, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovs $dst, $src2">, TB, OpSize; // if signed, R16 = [mem16]
|
|
def CMOVS32rr : I<0x48, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovs $dst, $src2">, TB; // if signed, R32 = R32
|
|
def CMOVS32rm : I<0x48, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovs $dst, $src2">, TB; // if signed, R32 = [mem32]
|
|
|
|
def CMOVNS16rr: I<0x49, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovns $dst, $src2">, TB, OpSize; // if !signed, R16 = R16
|
|
def CMOVNS16rm: I<0x49, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovns $dst, $src2">, TB, OpSize; // if !signed, R16 = [mem16]
|
|
def CMOVNS32rr: I<0x49, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovns $dst, $src2">, TB; // if !signed, R32 = R32
|
|
def CMOVNS32rm: I<0x49, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovns $dst, $src2">, TB; // if !signed, R32 = [mem32]
|
|
|
|
def CMOVL16rr : I<0x4C, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovl $dst, $src2">, TB, OpSize; // if <s, R16 = R16
|
|
def CMOVL16rm : I<0x4C, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovl $dst, $src2">, TB, OpSize; // if <s, R16 = [mem16]
|
|
def CMOVL32rr : I<0x4C, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovl $dst, $src2">, TB; // if <s, R32 = R32
|
|
def CMOVL32rm : I<0x4C, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovl $dst, $src2">, TB; // if <s, R32 = [mem32]
|
|
|
|
def CMOVGE16rr: I<0x4D, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovge $dst, $src2">, TB, OpSize; // if >=s, R16 = R16
|
|
def CMOVGE16rm: I<0x4D, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovge $dst, $src2">, TB, OpSize; // if >=s, R16 = [mem16]
|
|
def CMOVGE32rr: I<0x4D, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovge $dst, $src2">, TB; // if >=s, R32 = R32
|
|
def CMOVGE32rm: I<0x4D, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovge $dst, $src2">, TB; // if >=s, R32 = [mem32]
|
|
|
|
def CMOVLE16rr: I<0x4E, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovle $dst, $src2">, TB, OpSize; // if <=s, R16 = R16
|
|
def CMOVLE16rm: I<0x4E, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovle $dst, $src2">, TB, OpSize; // if <=s, R16 = [mem16]
|
|
def CMOVLE32rr: I<0x4E, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovle $dst, $src2">, TB; // if <=s, R32 = R32
|
|
def CMOVLE32rm: I<0x4E, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovle $dst, $src2">, TB; // if <=s, R32 = [mem32]
|
|
|
|
def CMOVG16rr : I<0x4F, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"cmovg $dst, $src2">, TB, OpSize; // if >s, R16 = R16
|
|
def CMOVG16rm : I<0x4F, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"cmovg $dst, $src2">, TB, OpSize; // if >s, R16 = [mem16]
|
|
def CMOVG32rr : I<0x4F, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"cmovg $dst, $src2">, TB; // if >s, R32 = R32
|
|
def CMOVG32rm : I<0x4F, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"cmovg $dst, $src2">, TB; // if >s, R32 = [mem32]
|
|
|
|
// unary instructions
|
|
def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg $dst">;
|
|
def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg $dst">, OpSize;
|
|
def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg $dst">;
|
|
let isTwoAddress = 0 in {
|
|
def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg $dst">;
|
|
def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg $dst">, OpSize;
|
|
def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg $dst">;
|
|
}
|
|
|
|
def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not $dst">;
|
|
def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not $dst">, OpSize;
|
|
def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not $dst">;
|
|
let isTwoAddress = 0 in {
|
|
def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not $dst">;
|
|
def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not $dst">, OpSize;
|
|
def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not $dst">;
|
|
}
|
|
|
|
def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc $dst">;
|
|
def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc $dst">, OpSize;
|
|
def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc $dst">;
|
|
let isTwoAddress = 0 in {
|
|
def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc $dst">;
|
|
def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc $dst">, OpSize;
|
|
def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc $dst">;
|
|
}
|
|
|
|
def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec $dst">;
|
|
def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec $dst">, OpSize;
|
|
def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec $dst">;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec $dst">;
|
|
def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec $dst">, OpSize;
|
|
def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec $dst">;
|
|
}
|
|
|
|
// Logical operators...
|
|
def AND8rr : I<0x20, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), "and $dst, $src2">;
|
|
def AND16rr : I<0x21, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), "and $dst, $src2">, OpSize;
|
|
def AND32rr : I<0x21, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), "and $dst, $src2">;
|
|
|
|
def AND8rm : I<0x22, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2), "and $dst, $src2">;
|
|
def AND16rm : I<0x23, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2), "and $dst, $src2">, OpSize;
|
|
def AND32rm : I<0x23, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2), "and $dst, $src2">;
|
|
|
|
def AND8ri : Ii8 <0x80, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm :$src2),
|
|
"and $dst, $src2">;
|
|
def AND16ri : Ii16<0x81, MRM4r, (ops R16:$dst, R16:$src1, i16imm:$src2),
|
|
"and $dst, $src2">, OpSize;
|
|
def AND32ri : Ii32<0x81, MRM4r, (ops R32:$dst, R32:$src1, i32imm:$src2),
|
|
"and $dst, $src2">;
|
|
def AND16ri8 : Ii8<0x83, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
|
|
"and $dst, $src2" >, OpSize;
|
|
def AND32ri8 : Ii8<0x83, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"and $dst, $src2">;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def AND8mr : I<0x20, MRMDestMem, (ops i8mem :$dst, R8 :$src), "and $dst, $src">;
|
|
def AND16mr : I<0x21, MRMDestMem, (ops i16mem:$dst, R16:$src), "and $dst, $src">, OpSize;
|
|
def AND32mr : I<0x21, MRMDestMem, (ops i32mem:$dst, R32:$src), "and $dst, $src">;
|
|
def AND8mi : Ii8 <0x80, MRM4m, (ops i8mem :$dst, i8imm :$src), "and $dst, $src">;
|
|
def AND16mi : Ii16<0x81, MRM4m, (ops i16mem:$dst, i16imm:$src), "and $dst, $src">, OpSize;
|
|
def AND32mi : Ii32<0x81, MRM4m, (ops i32mem:$dst, i32imm:$src), "and $dst, $src">;
|
|
def AND16mi8 : Ii8 <0x83, MRM4m, (ops i16mem:$dst, i8imm :$src), "and $dst, $src">, OpSize;
|
|
def AND32mi8 : Ii8 <0x83, MRM4m, (ops i32mem:$dst, i8imm :$src), "and $dst, $src">;
|
|
}
|
|
|
|
|
|
def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
|
|
"or $dst, $src2">;
|
|
def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
|
|
"or $dst, $src2">, OpSize;
|
|
def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"or $dst, $src2">;
|
|
def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
|
|
"or $dst, $src2">;
|
|
def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
|
|
"or $dst, $src2">, OpSize;
|
|
def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"or $dst, $src2">;
|
|
|
|
def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
|
|
"or $dst, $src2">;
|
|
def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
|
|
"or $dst, $src2">, OpSize;
|
|
def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
|
|
"or $dst, $src2">;
|
|
|
|
def OR16ri8 : Ii8<0x83, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
|
|
"or $dst, $src2">, OpSize;
|
|
def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"or $dst, $src2">;
|
|
let isTwoAddress = 0 in {
|
|
def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
|
|
"or $dst, $src">;
|
|
def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
|
|
"or $dst, $src">, OpSize;
|
|
def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
|
|
"or $dst, $src">;
|
|
def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
|
|
"or $dst, $src">;
|
|
def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
|
|
"or $dst, $src">, OpSize;
|
|
def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
|
|
"or $dst, $src">;
|
|
def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i8imm:$src),
|
|
"or $dst, $src">, OpSize;
|
|
def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i8imm:$src),
|
|
"or $dst, $src">;
|
|
}
|
|
|
|
|
|
def XOR8rr : I<0x30, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), "xor $dst, $src2">;
|
|
def XOR16rr : I<0x31, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), "xor $dst, $src2">, OpSize;
|
|
def XOR32rr : I<0x31, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), "xor $dst, $src2">;
|
|
def XOR8rm : I<0x32, MRMSrcMem , (ops R8 :$dst, R8:$src1, i8mem :$src2), "xor $dst, $src2">;
|
|
def XOR16rm : I<0x33, MRMSrcMem , (ops R16:$dst, R8:$src1, i16mem:$src2), "xor $dst, $src2">, OpSize;
|
|
def XOR32rm : I<0x33, MRMSrcMem , (ops R32:$dst, R8:$src1, i32mem:$src2), "xor $dst, $src2">;
|
|
|
|
def XOR8ri : Ii8 <0x80, MRM6r, (ops R8:$dst, R8:$src1, i8imm:$src2), "xor $dst, $src2">;
|
|
def XOR16ri : Ii16 <0x81, MRM6r, (ops R16:$dst, R16:$src1, i16imm:$src2), "xor $dst, $src2">, OpSize;
|
|
def XOR32ri : Ii32 <0x81, MRM6r, (ops R32:$dst, R32:$src1, i32imm:$src2), "xor $dst, $src2">;
|
|
def XOR16ri8 : Ii8<0x83, MRM6r, (ops R16:$dst, R16:$src1, i8imm:$src2),
|
|
"xor $dst, $src2">, OpSize;
|
|
def XOR32ri8 : Ii8<0x83, MRM6r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"xor $dst, $src2">;
|
|
let isTwoAddress = 0 in {
|
|
def XOR8mr : I<0x30, MRMDestMem, (ops i8mem :$dst, R8 :$src), "xor $dst, $src">;
|
|
def XOR16mr : I<0x31, MRMDestMem, (ops i16mem:$dst, R16:$src), "xor $dst, $src">, OpSize;
|
|
def XOR32mr : I<0x31, MRMDestMem, (ops i32mem:$dst, R32:$src), "xor $dst, $src">;
|
|
def XOR8mi : Ii8 <0x80, MRM6m, (ops i8mem :$dst, i8imm :$src), "xor $dst, $src">;
|
|
def XOR16mi : Ii16<0x81, MRM6m, (ops i16mem:$dst, i16imm:$src), "xor $dst, $src">, OpSize;
|
|
def XOR32mi : Ii32<0x81, MRM6m, (ops i32mem:$dst, i32imm:$src), "xor $dst, $src">;
|
|
def XOR16mi8 : Ii8 <0x83, MRM6m, (ops i16mem:$dst, i8imm :$src), "xor $dst, $src">, OpSize;
|
|
def XOR32mi8 : Ii8 <0x83, MRM6m, (ops i32mem:$dst, i8imm :$src), "xor $dst, $src">;
|
|
}
|
|
|
|
// Shift instructions
|
|
// FIXME: provide shorter instructions when imm8 == 1
|
|
def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src), "shl $dst, %CL">, Imp<[CL],[]>;
|
|
def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src), "shl $dst, %CL">, Imp<[CL],[]>, OpSize;
|
|
def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src), "shl $dst, %CL">, Imp<[CL],[]>;
|
|
def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
|
|
"shl $dst, $src2">;
|
|
def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
|
|
"shl $dst, $src2">, OpSize;
|
|
def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"shl $dst, $src2">;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst), "shl $dst, %CL">, Imp<[CL],[]>;
|
|
def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst), "shl $dst, %CL">, Imp<[CL],[]>, OpSize;
|
|
def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst), "shl $dst, %CL">, Imp<[CL],[]>;
|
|
def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src), "shl $dst, $src">;
|
|
def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src), "shl $dst, $src">, OpSize;
|
|
def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src), "shl $dst, $src">;
|
|
}
|
|
|
|
def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src), "shr $dst, %CL">, Imp<[CL],[]>;
|
|
def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src), "shr $dst, %CL">, Imp<[CL],[]>, OpSize;
|
|
def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src), "shr $dst, %CL">, Imp<[CL],[]>;
|
|
|
|
def SHR8ri : Ii8 <0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2), "shr $dst, $src2">;
|
|
def SHR16ri : Ii8 <0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2), "shr $dst, $src2">, OpSize;
|
|
def SHR32ri : Ii8 <0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2), "shr $dst, $src2">;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst), "shr $dst, %CL">, Imp<[CL],[]>;
|
|
def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst), "shr $dst, %CL">, Imp<[CL],[]>, OpSize;
|
|
def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst), "shr $dst, %CL">, Imp<[CL],[]>;
|
|
def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src), "shr $dst, $src">;
|
|
def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src), "shr $dst, $src">, OpSize;
|
|
def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src), "shr $dst, $src">;
|
|
}
|
|
|
|
def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src), "sar $dst, %CL">, Imp<[CL],[]>;
|
|
def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src), "sar $dst, %CL">, Imp<[CL],[]>, OpSize;
|
|
def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src), "sar $dst, %CL">, Imp<[CL],[]>;
|
|
|
|
def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
|
|
"sar $dst, $src2">;
|
|
def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
|
|
"sar $dst, $src2">, OpSize;
|
|
def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"sar $dst, $src2">;
|
|
let isTwoAddress = 0 in {
|
|
def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst), "sar $dst, %CL">, Imp<[CL],[]>;
|
|
def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst), "sar $dst, %CL">, Imp<[CL],[]>, OpSize;
|
|
def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst), "sar $dst, %CL">, Imp<[CL],[]>;
|
|
def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src), "sar $dst, $src">;
|
|
def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src), "sar $dst, $src">, OpSize;
|
|
def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src), "sar $dst, $src">;
|
|
}
|
|
|
|
def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"shld $dst, $src2, %CL">, Imp<[CL],[]>, TB;
|
|
def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"shrd $dst, $src2, %CL">, Imp<[CL],[]>, TB;
|
|
def SHLD32rri8 : Ii8<0xA4, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
|
|
"shld $dst, $src2, $src3">, TB;
|
|
def SHRD32rri8 : Ii8<0xAC, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
|
|
"shrd $dst, $src2, $src3">, TB;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
|
|
"shld $dst, $src2, %CL">, Imp<[CL],[]>, TB;
|
|
def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
|
|
"shrd $dst, $src2, %CL">, Imp<[CL],[]>, TB;
|
|
def SHLD32mri8 : Ii8<0xA4, MRMDestMem, (ops i32mem:$dst, R32:$src2, i8imm:$src3),
|
|
"shld $dst, $src2, $src3">, TB;
|
|
def SHRD32mri8 : Ii8<0xAC, MRMDestMem, (ops i32mem:$dst, R32:$src2, i8imm:$src3),
|
|
"shrd $dst, $src2, $src3">, TB;
|
|
}
|
|
|
|
|
|
// Arithmetic...
|
|
def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), "add $dst, $src2">;
|
|
def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), "add $dst, $src2">;
|
|
def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2), "add $dst, $src2">;
|
|
def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), "add $dst, $src2">;
|
|
|
|
def ADD8ri : Ii8 <0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2), "add $dst, $src2">;
|
|
def ADD16ri : Ii16 <0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32ri : Ii32 <0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2), "add $dst, $src2">;
|
|
|
|
def ADD16ri8 : Ii8 <0x83, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32ri8 : Ii8 <0x83, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2), "add $dst, $src2">;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2), "add $dst, $src2">;
|
|
def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2), "add $dst, $src2">;
|
|
def ADD8mi : Ii8 <0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2), "add $dst, $src2">;
|
|
def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2), "add $dst, $src2">;
|
|
def ADD16mi8 : Ii8 <0x83, MRM0m, (ops i16mem:$dst, i8imm :$src2), "add $dst, $src2">, OpSize;
|
|
def ADD32mi8 : Ii8 <0x83, MRM0m, (ops i32mem:$dst, i8imm :$src2), "add $dst, $src2">;
|
|
}
|
|
|
|
def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), "adc $dst, $src2">;
|
|
def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2), "adc $dst, $src2">;
|
|
def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2), "adc $dst, $src2">;
|
|
def ADC32ri8 : Ii8 <0x83, MRM2r, (ops R32:$dst, R32:$src1, i8imm:$src2), "adc $dst, $src2">;
|
|
|
|
let isTwoAddress = 0 in {
|
|
def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2), "adc $dst, $src2">;
|
|
def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2), "adc $dst, $src2">;
|
|
def ADC32mi8 : Ii8 <0x83, MRM2m, (ops i32mem:$dst, i8imm :$src2), "adc $dst, $src2">;
|
|
}
|
|
|
|
def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2), "sub $dst, $src2">;
|
|
def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2), "sub $dst, $src2">, OpSize;
|
|
def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2), "sub $dst, $src2">;
|
|
def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2), "sub $dst, $src2">;
|
|
def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2), "sub $dst, $src2">, OpSize;
|
|
def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), "sub $dst, $src2">;
|
|
|
|
def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
|
|
"sub $dst, $src2">;
|
|
def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
|
|
"sub $dst, $src2">, OpSize;
|
|
def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
|
|
"sub $dst, $src2">;
|
|
def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
|
|
"sub $dst, $src2">, OpSize;
|
|
def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"sub $dst, $src2">;
|
|
let isTwoAddress = 0 in {
|
|
def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2), "sub $dst, $src2">;
|
|
def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2), "sub $dst, $src2">, OpSize;
|
|
def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2), "sub $dst, $src2">;
|
|
def SUB8mi : Ii8 <0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2), "sub $dst, $src2">;
|
|
def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2), "sub $dst, $src2">, OpSize;
|
|
def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2), "sub $dst, $src2">;
|
|
def SUB16mi8 : Ii8 <0x83, MRM5m, (ops i16mem:$dst, i8imm :$src2), "sub $dst, $src2">, OpSize;
|
|
def SUB32mi8 : Ii8 <0x83, MRM5m, (ops i32mem:$dst, i8imm :$src2), "sub $dst, $src2">;
|
|
}
|
|
|
|
def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
|
|
"adc $dst, $src2">;
|
|
let isTwoAddress = 0 in {
|
|
def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2), "sbb $dst, $src2">;
|
|
def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2), "sbb $dst, $src2">;
|
|
def SBB32mi8 : Ii8 <0x83, MRM3m, (ops i32mem:$dst, i8imm :$src2), "sbb $dst, $src2">;
|
|
}
|
|
def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
|
|
"sbb $dst, $src2">;
|
|
def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
|
|
"sbb $dst, $src2">;
|
|
def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"sbb $dst, $src2">;
|
|
|
|
def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2), "imul $dst, $src2">, TB, OpSize;
|
|
def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2), "imul $dst, $src2">, TB;
|
|
def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2), "imul $dst, $src2">, TB, OpSize;
|
|
def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2), "imul $dst, $src2">, TB ;
|
|
|
|
} // end Two Address instructions
|
|
|
|
// Suprisingly enough, these are not two address instructions!
|
|
def IMUL16rri : Ii16<0x69, MRMSrcReg, (ops R16:$dst, R16:$src1, i16imm:$src2),
|
|
"imul $dst, $src1, $src2">, OpSize; // R16 = R16*I16
|
|
def IMUL32rri : Ii32<0x69, MRMSrcReg, (ops R32:$dst, R32:$src1, i32imm:$src2),
|
|
"imul $dst, $src1, $src2">; // R32 = R32*I32
|
|
def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, (ops R16:$dst, R16:$src1, i8imm:$src2),
|
|
"imul $dst, $src1, $src2">, OpSize; // R16 = R16*I8
|
|
def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, (ops R32:$dst, R32:$src1, i8imm:$src2),
|
|
"imul $dst, $src1, $src2">; // R32 = R32*I8
|
|
|
|
def IMUL16rmi : Ii16<0x69, MRMSrcMem, (ops R32:$dst, i16mem:$src1, i16imm:$src2),
|
|
"imul $dst, $src1, $src2">, OpSize; // R16 = [mem16]*I16
|
|
def IMUL32rmi : Ii32<0x69, MRMSrcMem, (ops R32:$dst, i32mem:$src1, i32imm:$src2),
|
|
"imul $dst, $src1, $src2">; // R32 = [mem32]*I32
|
|
def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, (ops R32:$dst, i16mem:$src1, i8imm :$src2),
|
|
"imul $dst, $src1, $src2">, OpSize; // R16 = [mem16]*I8
|
|
def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, (ops R32:$dst, i32mem:$src1, i8imm: $src2),
|
|
"imul $dst, $src1, $src2">; // R32 = [mem32]*I8
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Test instructions are just like AND, except they don't generate a result.
|
|
def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
|
|
"test $src1, $src2">;
|
|
def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
|
|
"test $src1, $src2">, OpSize;
|
|
def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
|
|
"test $src1, $src2">;
|
|
def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
|
|
"test $src1, $src2">;
|
|
def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
|
|
"test $src1, $src2">, OpSize;
|
|
def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
|
|
"test $src1, $src2">;
|
|
def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
|
|
"test $src1, $src2">;
|
|
def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
|
|
"test $src1, $src2">, OpSize;
|
|
def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
|
|
"test $src1, $src2">;
|
|
|
|
def TEST8ri : Ii8 <0xF6, MRM0r, (ops R8:$dst, i8imm:$src),
|
|
"test $dst, $src">; // flags = R8 & imm8
|
|
def TEST16ri : Ii16<0xF7, MRM0r, (ops R16:$dst, i16imm:$src),
|
|
"test $dst, $src">, OpSize; // flags = R16 & imm16
|
|
def TEST32ri : Ii32<0xF7, MRM0r, (ops R32:$dst, i32imm:$src),
|
|
"test $dst, $src">; // flags = R32 & imm32
|
|
def TEST8mi : Ii8 <0xF6, MRM0m, (ops i32mem:$dst, i8imm:$src),
|
|
"test $dst, $src">; // flags = [mem8] & imm8
|
|
def TEST16mi : Ii16<0xF7, MRM0m, (ops i16mem:$dst, i16imm:$src),
|
|
"test $dst, $src">, OpSize; // flags = [mem16] & imm16
|
|
def TEST32mi : Ii32<0xF7, MRM0m, (ops i32mem:$dst, i32imm:$src),
|
|
"test $dst, $src">; // flags = [mem32] & imm32
|
|
|
|
|
|
|
|
// Condition code ops, incl. set if equal/not equal/...
|
|
def SAHF : I<0x9E, RawFrm, (ops), "sahf">, Imp<[AH],[]>; // flags = AH
|
|
def LAHF : I<0x9F, RawFrm, (ops), "lahf">, Imp<[],[AH]>; // AH = flags
|
|
|
|
def SETBr : I<0x92, MRM0r, (ops R8 :$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 $dst">, TB; // [mem8] = parity
|
|
def SETLr : I<0x9C, MRM0r, (ops R8 :$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 $src1, $src2">;
|
|
def CMP16rr : I<0x39, MRMDestReg, (ops R16:$src1, R16:$src2), "cmp $src1, $src2">, OpSize;
|
|
def CMP32rr : I<0x39, MRMDestReg, (ops R32:$src1, R32:$src2), "cmp $src1, $src2">;
|
|
def CMP8mr : I<0x38, MRMDestMem, (ops i8mem :$src1, R8 :$src2), "cmp $src1, $src2">;
|
|
def CMP16mr : I<0x39, MRMDestMem, (ops i16mem:$src1, R16:$src2), "cmp $src1, $src2">, OpSize;
|
|
def CMP32mr : I<0x39, MRMDestMem, (ops i32mem:$src1, R32:$src2), "cmp $src1, $src2">;
|
|
def CMP8rm : I<0x3A, MRMSrcMem , (ops R8 :$src1, i8mem :$src2), "cmp $src1, $src2">;
|
|
def CMP16rm : I<0x3B, MRMSrcMem , (ops R16:$src1, i16mem:$src2), "cmp $src1, $src2">, OpSize;
|
|
def CMP32rm : I<0x3B, MRMSrcMem , (ops R32:$src1, i32mem:$src2), "cmp $src1, $src2">;
|
|
def CMP8ri : Ii8 <0x80, MRM7r, (ops R16:$dst, i8imm:$src), "cmp $dst, $src">;
|
|
def CMP16ri : Ii16<0x81, MRM7r, (ops R16:$dst, i16imm:$src), "cmp $dst, $src">, OpSize;
|
|
def CMP32ri : Ii32<0x81, MRM7r, (ops R32:$dst, i32imm:$src), "cmp $dst, $src">;
|
|
def CMP8mi : Ii8 <0x80, MRM7m, (ops i8mem :$dst, i8imm :$src), "cmp $dst, $src">;
|
|
def CMP16mi : Ii16<0x81, MRM7m, (ops i16mem:$dst, i16imm:$src), "cmp $dst, $src">, OpSize;
|
|
def CMP32mi : Ii32<0x81, MRM7m, (ops i32mem:$dst, i32imm:$src), "cmp $dst, $src">;
|
|
|
|
// Sign/Zero extenders
|
|
def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src), "movsx $dst, $src">, TB, OpSize;
|
|
def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src), "movsx $dst, $src">, TB;
|
|
def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src), "movsx $dst, $src">, TB;
|
|
def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src), "movsx $dst, $src">, TB, OpSize;
|
|
def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src), "movsx $dst, $src">, TB;
|
|
def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src), "movsx $dst, $src">, TB;
|
|
|
|
def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src), "movzx $dst, $src">, TB, OpSize;
|
|
def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src), "movzx $dst, $src">, TB;
|
|
def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src), "movzx $dst, $src">, TB;
|
|
def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src), "movzx $dst, $src">, TB, OpSize;
|
|
def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src), "movzx $dst, $src">, TB;
|
|
def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src), "movzx $dst, $src">, TB;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Floating point support
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP'
|
|
|
|
// Floating point instruction template
|
|
class FPI<bits<8> o, Format F, FPFormat fp, dag ops, string asm>
|
|
: X86Inst<"", o, F, NoMem, NoImm>, II<ops, asm> {
|
|
let FPForm = fp; let FPFormBits = FPForm.Value;
|
|
}
|
|
|
|
// Pseudo instructions for floating point. We use these pseudo instructions
|
|
// because they can be expanded by the fp spackifier into one of many different
|
|
// forms of instructions for doing these operations. Until the stackifier runs,
|
|
// we prefer to be abstract.
|
|
def FpMOV : FPI<0, Pseudo, SpecialFP, (ops RFP, RFP), "">; // f1 = fmov f2
|
|
def FpADD : FPI<0, Pseudo, TwoArgFP , (ops RFP, RFP, RFP), "">; // f1 = fadd f2, f3
|
|
def FpSUB : FPI<0, Pseudo, TwoArgFP , (ops RFP, RFP, RFP), "">; // f1 = fsub f2, f3
|
|
def FpMUL : FPI<0, Pseudo, TwoArgFP , (ops RFP, RFP, RFP), "">; // f1 = fmul f2, f3
|
|
def FpDIV : FPI<0, Pseudo, TwoArgFP , (ops RFP, RFP, RFP), "">; // f1 = fdiv f2, f3
|
|
|
|
def FpGETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP), "">; // FPR = ST(0)
|
|
def FpSETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP), "">; // ST(0) = FPR
|
|
|
|
// FADD reg, mem: Before stackification, these are represented by: R1 = FADD* R2, [mem]
|
|
def FADD32m : FPI<0xD8, MRM0m, OneArgFPRW, (ops f32mem:$src), "fadd $src">; // ST(0) = ST(0) + [mem32real]
|
|
def FADD64m : FPI<0xDC, MRM0m, OneArgFPRW, (ops f64mem:$src), "fadd $src">; // ST(0) = ST(0) + [mem64real]
|
|
/*
|
|
def FIADD16m : FPI<0xDE, MRM0m, OneArgFPRW, (ops i16mem:$src), // ST(0) = ST(0) + [mem16int]
|
|
"fiadd $src">;
|
|
def FIADD32m : FPI<0xDA, MRM0m, OneArgFPRW, (ops i32mem:$src), // ST(0) = ST(0) + [mem32int]
|
|
"fiadd $src">;
|
|
*/
|
|
|
|
// FMUL reg, mem: Before stackification, these are represented by: R1 = FMUL* R2, [mem]
|
|
def FMUL32m : FPI<0xD8, MRM1m, OneArgFPRW, (ops f32mem:$src), "fmul $src">; // ST(0) = ST(0) * [mem32real]
|
|
def FMUL64m : FPI<0xDC, MRM1m, OneArgFPRW, (ops f64mem:$src), "fmul $src">; // ST(0) = ST(0) * [mem64real]
|
|
//def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem16int]
|
|
//def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32int]
|
|
|
|
// FSUB reg, mem: Before stackification, these are represented by: R1 = FSUB* R2, [mem]
|
|
def FSUB32m : FPI<0xD8, MRM4m, OneArgFPRW, (ops f32mem:$src), "fsub $src">; // ST(0) = ST(0) - [mem32real]
|
|
def FSUB64m : FPI<0xDC, MRM4m, OneArgFPRW, (ops f64mem:$src), "fsub $src">; // ST(0) = ST(0) - [mem64real]
|
|
//def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem16int]
|
|
//def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32int]
|
|
|
|
// FSUBR reg, mem: Before stackification, these are represented by: R1 = FSUBR* R2, [mem]
|
|
// Note that the order of operands does not reflect the operation being performed.
|
|
def FSUBR32m : FPI<0xD8, MRM5m, OneArgFPRW, (ops f32mem:$src), "fsubr $src">; // ST(0) = [mem32real] - ST(0)
|
|
def FSUBR64m : FPI<0xDC, MRM5m, OneArgFPRW, (ops f64mem:$src), "fsubr $src">; // ST(0) = [mem64real] - ST(0)
|
|
//def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>; // ST(0) = [mem16int] - ST(0)
|
|
//def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>; // ST(0) = [mem32int] - ST(0)
|
|
|
|
// FDIV reg, mem: Before stackification, these are represented by: R1 = FDIV* R2, [mem]
|
|
def FDIV32m : FPI<0xD8, MRM6m, OneArgFPRW, (ops f32mem:$src), "fdiv $src">; // ST(0) = ST(0) / [mem32real]
|
|
def FDIV64m : FPI<0xDC, MRM6m, OneArgFPRW, (ops f64mem:$src), "fdiv $src">; // ST(0) = ST(0) / [mem64real]
|
|
//def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem16int]
|
|
//def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32int]
|
|
|
|
// FDIVR reg, mem: Before stackification, these are represented by: R1 = FDIVR* R2, [mem]
|
|
// Note that the order of operands does not reflect the operation being performed.
|
|
def FDIVR32m : FPI<0xD8, MRM7m, OneArgFPRW, (ops f32mem:$src), "fdivr $src">; // ST(0) = [mem32real] / ST(0)
|
|
def FDIVR64m : FPI<0xDC, MRM7m, OneArgFPRW, (ops f64mem:$src), "fdivr $src">; // ST(0) = [mem64real] / ST(0)
|
|
//def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>; // ST(0) = [mem16int] / ST(0)
|
|
//def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>; // ST(0) = [mem32int] / ST(0)
|
|
|
|
|
|
// Floating point cmovs...
|
|
let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
|
|
def FCMOVB : FPI<0xC0, AddRegFrm, CondMovFP,
|
|
(ops RST:$op), "fcmovb %ST(0), $op">, DA;
|
|
def FCMOVBE : FPI<0xD0, AddRegFrm, CondMovFP,
|
|
(ops RST:$op), "fcmovbe %ST(0), $op">, DA;
|
|
def FCMOVE : FPI<0xC8, AddRegFrm, CondMovFP,
|
|
(ops RST:$op), "fcmove %ST(0), $op">, DA;
|
|
def FCMOVAE : FPI<0xC0, AddRegFrm, CondMovFP,
|
|
(ops RST:$op), "fcmovae %ST(0), $op">, DB;
|
|
def FCMOVA : FPI<0xD0, AddRegFrm, CondMovFP,
|
|
(ops RST:$op), "fcmova %ST(0), $op">, DB;
|
|
def FCMOVNE : FPI<0xC8, AddRegFrm, CondMovFP,
|
|
(ops RST:$op), "fcmovne %ST(0), $op">, DB;
|
|
}
|
|
|
|
// Floating point loads & stores...
|
|
def FLDrr : FPI<0xC0, AddRegFrm, NotFP, (ops RST:$src), "fld $src">, D9;
|
|
def FLD32m : FPI<0xD9, MRM0m, ZeroArgFP, (ops f32mem:$src), "fld $src">;
|
|
def FLD64m : FPI<0xDD, MRM0m, ZeroArgFP, (ops f64mem:$src), "fld $src">;
|
|
def FLD80m : FPI<0xDB, MRM5m, ZeroArgFP, (ops f80mem:$src), "fld $src">;
|
|
def FILD16m : FPI<0xDF, MRM0m, ZeroArgFP, (ops i16mem:$src), "fild $src">;
|
|
def FILD32m : FPI<0xDB, MRM0m, ZeroArgFP, (ops i32mem:$src), "fild $src">;
|
|
def FILD64m : FPI<0xDF, MRM5m, ZeroArgFP, (ops i64mem:$src), "fild $src">;
|
|
|
|
def FSTrr : FPI<0xD0, AddRegFrm, NotFP, (ops RST:$op), "fst $op">, DD;
|
|
def FSTPrr : FPI<0xD8, AddRegFrm, NotFP, (ops RST:$op), "fstp $op">, DD;
|
|
def FST32m : FPI<0xD9, MRM2m, OneArgFP, (ops f32mem:$op), "fst $op">;
|
|
def FST64m : FPI<0xDD, MRM2m, OneArgFP, (ops f64mem:$op), "fst $op">;
|
|
def FSTP32m : FPI<0xD9, MRM3m, OneArgFP, (ops f32mem:$op), "fstp $op">;
|
|
def FSTP64m : FPI<0xDD, MRM3m, OneArgFP, (ops f64mem:$op), "fstp $op">;
|
|
def FSTP80m : FPI<0xDB, MRM7m, OneArgFP, (ops f80mem:$op), "fstp $op">;
|
|
|
|
def FIST16m : FPI<0xDF, MRM2m , OneArgFP, (ops i16mem:$op), "fist $op">;
|
|
def FIST32m : FPI<0xDB, MRM2m , OneArgFP, (ops i32mem:$op), "fist $op">;
|
|
def FISTP16m : FPI<0xDF, MRM3m , NotFP , (ops i16mem:$op), "fistp $op">;
|
|
def FISTP32m : FPI<0xDB, MRM3m , NotFP , (ops i32mem:$op), "fistp $op">;
|
|
def FISTP64m : FPI<0xDF, MRM7m , OneArgFP, (ops i64mem:$op), "fistpll $op">;
|
|
|
|
def FXCH : FPI<0xC8, AddRegFrm, NotFP, (ops RST:$op), "fxch $op">, D9; // fxch ST(i), ST(0)
|
|
|
|
// Floating point constant loads...
|
|
def FLD0 : FPI<0xEE, RawFrm, ZeroArgFP, (ops), "fldz">, D9;
|
|
def FLD1 : FPI<0xE8, RawFrm, ZeroArgFP, (ops), "fld1">, D9;
|
|
|
|
|
|
// Unary operations...
|
|
def FCHS : FPI<0xE0, RawFrm, OneArgFPRW, (ops), "fchs">, D9; // f1 = fchs f2
|
|
def FTST : FPI<0xE4, RawFrm, OneArgFP, (ops), "ftst">, D9; // ftst ST(0)
|
|
|
|
// Binary arithmetic operations...
|
|
class FPST0rInst<bits<8> o, dag ops, string asm> : I<o, AddRegFrm, ops, asm>, D8 {
|
|
list<Register> Uses = [ST0];
|
|
list<Register> Defs = [ST0];
|
|
}
|
|
class FPrST0Inst<bits<8> o, dag ops, string asm> : I<o, AddRegFrm, ops, asm>, DC {
|
|
list<Register> Uses = [ST0];
|
|
}
|
|
class FPrST0PInst<bits<8> o, dag ops, string asm> : I<o, AddRegFrm, ops, asm>, DE {
|
|
list<Register> Uses = [ST0];
|
|
}
|
|
|
|
def FADDST0r : FPST0rInst <0xC0, (ops RST:$op), "fadd $op">;
|
|
def FADDrST0 : FPrST0Inst <0xC0, (ops RST:$op), "fadd $op, %ST(0)">;
|
|
def FADDPrST0 : FPrST0PInst<0xC0, (ops RST:$op), "faddp $op">;
|
|
|
|
def FSUBRST0r : FPST0rInst <0xE8, (ops RST:$op), "fsubr $op">;
|
|
def FSUBrST0 : FPrST0Inst <0xE8, (ops RST:$op), "fsub $op, %ST(0)">;
|
|
def FSUBPrST0 : FPrST0PInst<0xE8, (ops RST:$op), "fsubp $op">;
|
|
|
|
def FSUBST0r : FPST0rInst <0xE0, (ops RST:$op), "fsub $op">;
|
|
def FSUBRrST0 : FPrST0Inst <0xE0, (ops RST:$op), "fsubr $op, %ST(0)">;
|
|
def FSUBRPrST0 : FPrST0PInst<0xE0, (ops RST:$op), "fsubrp $op">;
|
|
|
|
def FMULST0r : FPST0rInst <0xC8, (ops RST:$op), "fmul $op">;
|
|
def FMULrST0 : FPrST0Inst <0xC8, (ops RST:$op), "fmul $op, %ST(0)">;
|
|
def FMULPrST0 : FPrST0PInst<0xC8, (ops RST:$op), "fmulp $op">;
|
|
|
|
def FDIVRST0r : FPST0rInst <0xF8, (ops RST:$op), "fdivr $op">;
|
|
def FDIVrST0 : FPrST0Inst <0xF8, (ops RST:$op), "fdiv $op, %ST(0)">;
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def FDIVPrST0 : FPrST0PInst<0xF8, (ops RST:$op), "fdivp $op">;
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def FDIVST0r : FPST0rInst <0xF0, (ops RST:$op), "fdiv $op">; // ST(0) = ST(0) / ST(i)
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def FDIVRrST0 : FPrST0Inst <0xF0, (ops RST:$op), "fdivr $op, %ST(0)">; // ST(i) = ST(0) / ST(i)
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def FDIVRPrST0 : FPrST0PInst<0xF0, (ops RST:$op), "fdivrp $op">; // ST(i) = ST(0) / ST(i), pop
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// Floating point compares
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def FUCOMr : FPI<0xE0, AddRegFrm, CompareFP, (ops RST:$reg),
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"fucom $reg">, DD, Imp<[ST0],[]>; // FPSW = compare ST(0) with ST(i)
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def FUCOMPr : I<0xE8, AddRegFrm, (ops RST:$reg),
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"fucomp $reg">, DD, Imp<[ST0],[]>; // FPSW = compare ST(0) with ST(i), pop
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def FUCOMPPr : I<0xE9, RawFrm, (ops),
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"fucompp">, DA, Imp<[ST0],[]>; // compare ST(0) with ST(1), pop, pop
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def FUCOMIr : FPI<0xE8, AddRegFrm, CompareFP, (ops RST:$reg),
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"fucomi %ST(0), $reg">, DB, Imp<[ST0],[]>; // CC = compare ST(0) with ST(i)
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def FUCOMIPr : I<0xE8, AddRegFrm, (ops RST:$reg),
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"fucomip %ST(0), $reg">, DF, Imp<[ST0],[]>; // CC = compare ST(0) with ST(i), pop
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// Floating point flag ops
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def FNSTSW8r : I<0xE0, RawFrm, (ops), "fnstsw">, DF, Imp<[],[AX]>; // AX = fp flags
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def FNSTCW16m : I<0xD9, MRM7m, (ops i16mem:$dst), "fnstcw $dst">; // [mem16] = X87 control world
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def FLDCW16m : I<0xD9, MRM5m, (ops i16mem:$dst), "fldcw $dst">; // X87 control world = [mem16]
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