//
//===----------------------------------------------------------------------===//
+// *mem - Operand definitions for the funky X86 addressing mode operands.
+//
+
+class X86MemOperand<ValueType Ty> : Operand<Ty> {
+ let PrintMethod = "printMemoryOperand";
+ let NumMIOperands = 4;
+ let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
+}
+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>;
+
+// A couple of more descriptive operand definitions.
+// 16-bits but only 8 bits are significant.
+def i16i8imm : Operand<i16>;
+// 32-bits but only 8 bits are significant.
+def i32i8imm : Operand<i32>;
+
+// 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.
def Imm16 : ImmType<2>;
def Imm32 : ImmType<3>;
-// MemType - 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 MemType<bits<3> val> {
- bits<3> Value = val;
-}
-def NoMem : MemType<0>;
-def Mem8 : MemType<1>;
-def Mem16 : MemType<2>;
-def Mem32 : MemType<3>;
-def Mem64 : MemType<4>;
-def Mem80 : MemType<5>;
-def Mem128 : MemType<6>;
-
// FPFormat - This specifies what form this FP instruction has. This is used by
// the Floating-Point stackifier pass.
class FPFormat<bits<3> val> {
def SpecialFP : FPFormat<7>;
-class X86Inst<string nam, bits<8> opcod, Format f, MemType m, ImmType i> : Instruction {
+class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
+ : Instruction {
let Namespace = "X86";
- let Name = nam;
bits<8> Opcode = opcod;
Format Form = f;
bits<5> FormBits = Form.Value;
- MemType MemT = m;
- bits<3> MemTypeBits = MemT.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?
- // Flag whether implicit register usage is printed before/after the
- // instruction
- bit printImplicitUsesBefore = 0;
- bit printImplicitUsesAfter = 0;
-
- // Flag whether implicit register definitions are printed before/after the
- // instruction
- bit printImplicitDefsBefore = 0;
- bit printImplicitDefsAfter = 0;
-
bits<4> Prefix = 0; // Which prefix byte does this inst have?
FPFormat FPForm; // What flavor of FP instruction is this?
bits<3> FPFormBits = 0;
list<Register> Defs = defs;
}
-// II - InstructionInfo - this will eventually replace the I class.
-class II<dag ops, string AsmStr> {
- dag OperandList = ops;
- string AsmString = AsmStr;
-}
-
// Prefix byte classes which are used to indicate to the ad-hoc machine code
// emitter that various prefix bytes are required.
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<string n, bits<8> o, Format f> : X86Inst<n, o, f, NoMem, NoImm>;
-
-class Im<string n, bits<8> o, Format f, MemType m> : X86Inst<n, o, f, m, NoImm>;
-class Im8 <string n, bits<8> o, Format f> : Im<n, o, f, Mem8 >;
-class Im16<string n, bits<8> o, Format f> : Im<n, o, f, Mem16>;
-class Im32<string n, bits<8> o, Format f> : Im<n, o, f, Mem32>;
-
-class Ii<string n, bits<8> o, Format f, ImmType i> : X86Inst<n, o, f, NoMem, i>;
-class Ii8 <string n, bits<8> o, Format f> : Ii<n, o, f, Imm8 >;
-class Ii16<string n, bits<8> o, Format f> : Ii<n, o, f, Imm16>;
-class Ii32<string n, bits<8> o, Format f> : Ii<n, o, f, Imm32>;
-
-class Im8i8 <string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem8 , Imm8 >;
-class Im16i16<string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem16, Imm16>;
-class Im32i32<string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem32, Imm32>;
+// Pattern fragments...
+//
+def immSExt8 : PatLeaf<(imm), [{
+ // immSExt8 predicate - True if the immediate fits in a 8-bit sign extended
+ // field.
+ return (int)N->getValue() == (signed char)N->getValue();
+}]>;
-class Im16i8<string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem16, Imm8>;
-class Im32i8<string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem32, Imm8>;
+//===----------------------------------------------------------------------===//
+// Instruction templates...
-// Helper for shift instructions
-class UsesCL { list<Register> Uses = [CL]; bit printImplicitUsesAfter = 1; }
+class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
+ : X86Inst<o, f, NoImm, ops, asm> {
+ let Pattern = pattern;
+}
+class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
+ : X86Inst<o, f, Imm8 , ops, asm> {
+ let Pattern = pattern;
+}
+class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
+ : X86Inst<o, f, Imm16, ops, asm> {
+ let Pattern = pattern;
+}
+class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
+ : X86Inst<o, f, Imm32, ops, asm> {
+ let Pattern = pattern;
+}
//===----------------------------------------------------------------------===//
// Instruction list...
//
-def PHI : I<"PHI", 0, Pseudo>; // PHI node...
-def NOOP : I<"nop", 0x90, RawFrm>, // nop
- II<(ops), "nop">;
+def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE", []>; // PHI node.
+def NOOP : I<0x90, RawFrm, (ops), "nop", []>; // nop
-def ADJCALLSTACKDOWN : I<"ADJCALLSTACKDOWN", 0, Pseudo>;
-def ADJCALLSTACKUP : I<"ADJCALLSTACKUP", 0, Pseudo>;
-def IMPLICIT_USE : I<"IMPLICIT_USE", 0, Pseudo>;
-def IMPLICIT_DEF : I<"IMPLICIT_DEF", 0, Pseudo>;
+def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN", []>;
+def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
+ "#ADJCALLSTACKUP", []>;
+def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
+def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
let isTerminator = 1 in
let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
- def FP_REG_KILL : I<"FP_REG_KILL", 0, Pseudo>;
+ def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL", []>;
//===----------------------------------------------------------------------===//
// Control Flow Instructions...
//
-// Return instruction...
+// Return instructions.
+let isTerminator = 1, isReturn = 1, isBarrier = 1 in
+ def RET : I<0xC3, RawFrm, (ops), "ret", []>;
let isTerminator = 1, isReturn = 1, isBarrier = 1 in
- def RET : I<"ret", 0xC3, RawFrm>,
- II<(ops), "ret">;
+ def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt", []>;
// All branches are RawFrm, Void, Branch, and Terminators
let isBranch = 1, isTerminator = 1 in
- class IBr<string name, bits<8> opcode> : I<name, opcode, RawFrm>;
+ class IBr<bits<8> opcode, dag ops, string asm> :
+ I<opcode, RawFrm, ops, asm, []>;
let isBarrier = 1 in
- def JMP : IBr<"jmp", 0xE9>;
-def JB : IBr<"jb" , 0x82>, TB;
-def JAE : IBr<"jae", 0x83>, TB;
-def JE : IBr<"je" , 0x84>, TB;
-def JNE : IBr<"jne", 0x85>, TB;
-def JBE : IBr<"jbe", 0x86>, TB;
-def JA : IBr<"ja" , 0x87>, TB;
-def JS : IBr<"js" , 0x88>, TB;
-def JNS : IBr<"jns", 0x89>, TB;
-def JL : IBr<"jl" , 0x8C>, TB;
-def JGE : IBr<"jge", 0x8D>, TB;
-def JLE : IBr<"jle", 0x8E>, TB;
-def JG : IBr<"jg" , 0x8F>, TB;
+ def JMP : IBr<0xE9, (ops i32imm:$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 $dst">, TB;
//===----------------------------------------------------------------------===//
//
let isCall = 1 in
// All calls clobber the non-callee saved registers...
- let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6] in {
- def CALLpcrel32 : I <"call", 0xE8, RawFrm>;
- def CALL32r : I <"call", 0xFF, MRM2r>;
- def CALL32m : Im32<"call", 0xFF, MRM2m>;
+ let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
+ XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
+ def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$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, $src2}", []>;
+
//===----------------------------------------------------------------------===//
// Miscellaneous Instructions...
//
-def LEAVE : I<"leave", 0xC9, RawFrm>, Imp<[EBP,ESP],[EBP,ESP]>,
- II<(ops), "leave">;
-def POP32r : I<"pop", 0x58, AddRegFrm>, Imp<[ESP],[ESP]>;
-
-let isTwoAddress = 1 in // R32 = bswap R32
- def BSWAP32r : I<"bswap", 0xC8, AddRegFrm>, TB;
-
-def XCHG8rr : I <"xchg", 0x86, MRMDestReg>; // xchg R8, R8
-def XCHG16rr : I <"xchg", 0x87, MRMDestReg>, OpSize; // xchg R16, R16
-def XCHG32rr : I <"xchg", 0x87, MRMDestReg>; // xchg R32, R32
-def XCHG8mr : Im8 <"xchg", 0x86, MRMDestMem>; // xchg [mem8], R8
-def XCHG16mr : Im16<"xchg", 0x87, MRMDestMem>, OpSize; // xchg [mem16], R16
-def XCHG32mr : Im32<"xchg", 0x87, MRMDestMem>; // xchg [mem32], R32
-def XCHG8rm : Im8 <"xchg", 0x86, MRMSrcMem >; // xchg R8, [mem8]
-def XCHG16rm : Im16<"xchg", 0x87, MRMSrcMem >, OpSize; // xchg R16, [mem16]
-def XCHG32rm : Im32<"xchg", 0x87, MRMSrcMem >; // xchg R32, [mem32]
-
-def LEA16r : Im32<"lea", 0x8D, MRMSrcMem>, OpSize; // R16 = lea [mem]
-def LEA32r : Im32<"lea", 0x8D, MRMSrcMem>; // R32 = lea [mem]
-
-
-def REP_MOVSB : I<"rep movsb", 0xA4, RawFrm>, REP,
- Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>,
- II<(ops), "rep movsb">;
-def REP_MOVSW : I<"rep movsw", 0xA5, RawFrm>, REP, OpSize,
- Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>,
- II<(ops), "rep movsw">;
-def REP_MOVSD : I<"rep movsd", 0xA5, RawFrm>, REP,
- Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>,
- II<(ops), "rep movsd">;
-
-def REP_STOSB : I<"rep stosb", 0xAA, RawFrm>, REP,
- Imp<[AL,ECX,EDI], [ECX,EDI]>,
- II<(ops), "rep stosb">;
-def REP_STOSW : I<"rep stosw", 0xAB, RawFrm>, REP, OpSize,
- Imp<[AX,ECX,EDI], [ECX,EDI]>,
- II<(ops), "rep stosw">;
-def REP_STOSD : I<"rep stosd", 0xAB, RawFrm>, REP,
- Imp<[EAX,ECX,EDI], [ECX,EDI]>,
- II<(ops), "rep stosd">;
+def LEAVE : I<0xC9, RawFrm,
+ (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
+def POP32r : I<0x58, AddRegFrm,
+ (ops R32:$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|$src}", []>;
+
+
+def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}", []>,
+ Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
+def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}", []>,
+ Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
+def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}", []>,
+ Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
+
+def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}", []>,
+ Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
+def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}", []>,
+ Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
+def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}", []>,
+ Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
+
//===----------------------------------------------------------------------===//
// Input/Output Instructions...
//
-def IN8rr : I<"in", 0xEC, RawFrm>, Imp<[DX], [AL]>, // AL = in I/O address DX
- II<(ops), "in %AL, %DX">;
-def IN16rr : I<"in", 0xED, RawFrm>, Imp<[DX], [AX]>, OpSize, // AX = in I/O address DX
- II<(ops), "in %AX, %DX">;
-def IN32rr : I<"in", 0xED, RawFrm>, Imp<[DX],[EAX]>, // EAX = in I/O address DX
- II<(ops), "in %EAX, %DX">;
-
-def IN8ri : Ii16<"in", 0xE4, RawFrm>, Imp<[], [AL]>, // AL = in [I/O address]
- II<(ops i16imm:$port), "in %AL, $port">;
-def IN16ri : Ii16<"in", 0xE5, RawFrm>, Imp<[], [AX]>, OpSize, // AX = in [I/O address]
- II<(ops i16imm:$port), "in %AX, $port">;
-def IN32ri : Ii16<"in", 0xE5, RawFrm>, Imp<[],[EAX]>, // EAX = in [I/O address]
- II<(ops i16imm:$port), "in %EAX, $port">;
-
-def OUT8rr : I<"out", 0xEE, RawFrm>, Imp<[DX, AL], []>,
- II<(ops), "out %DX, %AL">;
-def OUT16rr : I<"out", 0xEF, RawFrm>, Imp<[DX, AX], []>, OpSize,
- II<(ops), "out %DX, %AX">;
-def OUT32rr : I<"out", 0xEF, RawFrm>, Imp<[DX, EAX], []>,
- II<(ops), "out %DX, %EAX">;
-
-def OUT8ir : Ii16<"out", 0xE6, RawFrm>, Imp<[AL], []>,
- II<(ops i16imm:$port), "out $port, %AL">;
-def OUT16ir : Ii16<"out", 0xE7, RawFrm>, Imp<[AX], []>, OpSize,
- II<(ops i16imm:$port), "out $port, %AX">;
-def OUT32ir : Ii16<"out", 0xE7, RawFrm>, Imp<[EAX], []>,
- II<(ops i16imm:$port), "out $port, %EAX">;
+def IN8rr : I<0xEC, RawFrm, (ops),
+ "in{b} {%dx, %al|%AL, %DX}", []>, Imp<[DX], [AL]>;
+def IN16rr : I<0xED, RawFrm, (ops),
+ "in{w} {%dx, %ax|%AX, %DX}", []>, Imp<[DX], [AX]>, OpSize;
+def IN32rr : I<0xED, RawFrm, (ops),
+ "in{l} {%dx, %eax|%EAX, %DX}", []>, Imp<[DX],[EAX]>;
+
+def IN8ri : Ii16<0xE4, RawFrm, (ops i16imm:$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 <"mov", 0x88, MRMDestReg>,
- II<(ops R8:$dst, R8:$src), "mov $dst, $src">;
-def MOV16rr : I <"mov", 0x89, MRMDestReg>, OpSize,
- II<(ops R16:$dst, R16:$src), "mov $dst, $src">;
-def MOV32rr : I <"mov", 0x89, MRMDestReg>,
- II<(ops R32:$dst, R32:$src), "mov $dst, $src">;
-def MOV8ri : Ii8 <"mov", 0xB0, AddRegFrm >,
- II<(ops R8:$dst, i8imm:$src), "mov $dst, $src">;
-def MOV16ri : Ii16 <"mov", 0xB8, AddRegFrm >, OpSize,
- II<(ops R16:$dst, i16imm:$src), "mov $dst, $src">;
-def MOV32ri : Ii32 <"mov", 0xB8, AddRegFrm >,
- II<(ops R32:$dst, i32imm:$src), "mov $dst, $src">;
-def MOV8mi : Im8i8 <"mov", 0xC6, MRM0m >; // [mem8] = imm8
-def MOV16mi : Im16i16<"mov", 0xC7, MRM0m >, OpSize; // [mem16] = imm16
-def MOV32mi : Im32i32<"mov", 0xC7, MRM0m >; // [mem32] = imm32
-
-def MOV8rm : Im8 <"mov", 0x8A, MRMSrcMem>; // R8 = [mem8]
-def MOV16rm : Im16 <"mov", 0x8B, MRMSrcMem>, OpSize; // R16 = [mem16]
-def MOV32rm : Im32 <"mov", 0x8B, MRMSrcMem>; // R32 = [mem32]
-
-def MOV8mr : Im8 <"mov", 0x88, MRMDestMem>; // [mem8] = R8
-def MOV16mr : Im16 <"mov", 0x89, MRMDestMem>, OpSize; // [mem16] = R16
-def MOV32mr : Im32 <"mov", 0x89, MRMDestMem>; // [mem32] = R32
-
+def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
+ "mov{b} {$src, $dst|$dst, $src}", []>;
+def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
+ "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
+def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
+ "mov{l} {$src, $dst|$dst, $src}", []>;
+def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
+ "mov{b} {$src, $dst|$dst, $src}",
+ [(set R8:$dst, imm:$src)]>;
+def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
+ "mov{w} {$src, $dst|$dst, $src}",
+ [(set R16:$dst, imm:$src)]>, OpSize;
+def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
+ "mov{l} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, imm:$src)]>;
+def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
+ "mov{b} {$src, $dst|$dst, $src}", []>;
+def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$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, $src}", []>;
+
//===----------------------------------------------------------------------===//
// Fixed-Register Multiplication and Division Instructions...
//
// Extra precision multiplication
-def MUL8r : I <"mul", 0xF6, MRM4r>, Imp<[AL],[AX]>; // AL,AH = AL*R8
-def MUL16r : I <"mul", 0xF7, MRM4r>, Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
-def MUL32r : I <"mul", 0xF7, MRM4r>, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
-def MUL8m : Im8 <"mul", 0xF6, MRM4m>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
-def MUL16m : Im16<"mul", 0xF7, MRM4m>, Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*[mem16]
-def MUL32m : Im32<"mul", 0xF7, MRM4m>, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
+def MUL8r : I<0xF6, MRM4r, (ops R8:$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} $src", []>,
+ Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
// unsigned division/remainder
-def DIV8r : I <"div", 0xF6, MRM6r>, Imp<[AX],[AX]>; // AX/r8 = AL,AH
-def DIV16r : I <"div", 0xF7, MRM6r>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/r16 = AX,DX
-def DIV32r : I <"div", 0xF7, MRM6r>, Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/r32 = EAX,EDX
-def DIV8m : Im8 <"div", 0xF6, MRM6m>, Imp<[AX],[AX]>; // AX/[mem8] = AL,AH
-def DIV16m : Im16<"div", 0xF7, MRM6m>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/[mem16] = AX,DX
-def DIV32m : Im32<"div", 0xF7, MRM6m>, Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/[mem32] = EAX,EDX
-
-// signed division/remainder
-def IDIV8r : I <"idiv",0xF6, MRM7r>, Imp<[AX],[AX]>; // AX/r8 = AL,AH
-def IDIV16r: I <"idiv",0xF7, MRM7r>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/r16 = AX,DX
-def IDIV32r: I <"idiv",0xF7, MRM7r>, Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/r32 = EAX,EDX
-def IDIV8m : Im8 <"idiv",0xF6, MRM7m>, Imp<[AX],[AX]>; // AX/[mem8] = AL,AH
-def IDIV16m: Im16<"idiv",0xF7, MRM7m>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/[mem16] = AX,DX
-def IDIV32m: Im32<"idiv",0xF7, MRM7m>, Imp<[EAX,EDX],[EAX,EDX]>; // EDX:EAX/[mem32] = EAX,EDX
-
-// Sign-extenders for division
-def CBW : I<"cbw", 0x98, RawFrm >, Imp<[AL],[AH]>, // AX = signext(AL)
- II<(ops), "cbw">;
-def CWD : I<"cwd", 0x99, RawFrm >, Imp<[AX],[DX]>, // DX:AX = signext(AX)
- II<(ops), "cwd">;
-def CDQ : I<"cdq", 0x99, RawFrm >, Imp<[EAX],[EDX]>, // EDX:EAX = signext(EAX)
- II<(ops), "cdq">;
+def DIV8r : I<0xF6, MRM6r, (ops R8:$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 <"cmovb", 0x42, MRMSrcReg>, TB, OpSize; // if <u, R16 = R16
-def CMOVB16rm : Im16<"cmovb", 0x42, MRMSrcMem>, TB, OpSize; // if <u, R16 = [mem16]
-def CMOVB32rr : I <"cmovb", 0x42, MRMSrcReg>, TB; // if <u, R32 = R32
-def CMOVB32rm : Im32<"cmovb", 0x42, MRMSrcMem>, TB; // if <u, R32 = [mem32]
-
-def CMOVAE16rr: I <"cmovae", 0x43, MRMSrcReg>, TB, OpSize; // if >=u, R16 = R16
-def CMOVAE16rm: Im16<"cmovae", 0x43, MRMSrcMem>, TB, OpSize; // if >=u, R16 = [mem16]
-def CMOVAE32rr: I <"cmovae", 0x43, MRMSrcReg>, TB; // if >=u, R32 = R32
-def CMOVAE32rm: Im32<"cmovae", 0x43, MRMSrcMem>, TB; // if >=u, R32 = [mem32]
-
-def CMOVE16rr : I <"cmove", 0x44, MRMSrcReg>, TB, OpSize; // if ==, R16 = R16
-def CMOVE16rm : Im16<"cmove", 0x44, MRMSrcMem>, TB, OpSize; // if ==, R16 = [mem16]
-def CMOVE32rr : I <"cmove", 0x44, MRMSrcReg>, TB; // if ==, R32 = R32
-def CMOVE32rm : Im32<"cmove", 0x44, MRMSrcMem>, TB; // if ==, R32 = [mem32]
-
-def CMOVNE16rr: I <"cmovne",0x45, MRMSrcReg>, TB, OpSize; // if !=, R16 = R16
-def CMOVNE16rm: Im16<"cmovne",0x45, MRMSrcMem>, TB, OpSize; // if !=, R16 = [mem16]
-def CMOVNE32rr: I <"cmovne",0x45, MRMSrcReg>, TB; // if !=, R32 = R32
-def CMOVNE32rm: Im32<"cmovne",0x45, MRMSrcMem>, TB; // if !=, R32 = [mem32]
-
-def CMOVBE16rr: I <"cmovbe",0x46, MRMSrcReg>, TB, OpSize; // if <=u, R16 = R16
-def CMOVBE16rm: Im16<"cmovbe",0x46, MRMSrcMem>, TB, OpSize; // if <=u, R16 = [mem16]
-def CMOVBE32rr: I <"cmovbe",0x46, MRMSrcReg>, TB; // if <=u, R32 = R32
-def CMOVBE32rm: Im32<"cmovbe",0x46, MRMSrcMem>, TB; // if <=u, R32 = [mem32]
-
-def CMOVA16rr : I <"cmova", 0x47, MRMSrcReg>, TB, OpSize; // if >u, R16 = R16
-def CMOVA16rm : Im16<"cmova", 0x47, MRMSrcMem>, TB, OpSize; // if >u, R16 = [mem16]
-def CMOVA32rr : I <"cmova", 0x47, MRMSrcReg>, TB; // if >u, R32 = R32
-def CMOVA32rm : Im32<"cmova", 0x47, MRMSrcMem>, TB; // if >u, R32 = [mem32]
-
-def CMOVS16rr : I <"cmovs", 0x48, MRMSrcReg>, TB, OpSize; // if signed, R16 = R16
-def CMOVS16rm : Im16<"cmovs", 0x48, MRMSrcMem>, TB, OpSize; // if signed, R16 = [mem16]
-def CMOVS32rr : I <"cmovs", 0x48, MRMSrcReg>, TB; // if signed, R32 = R32
-def CMOVS32rm : Im32<"cmovs", 0x48, MRMSrcMem>, TB; // if signed, R32 = [mem32]
-
-def CMOVNS16rr: I <"cmovns",0x49, MRMSrcReg>, TB, OpSize; // if !signed, R16 = R16
-def CMOVNS16rm: Im16<"cmovns",0x49, MRMSrcMem>, TB, OpSize; // if !signed, R16 = [mem16]
-def CMOVNS32rr: I <"cmovns",0x49, MRMSrcReg>, TB; // if !signed, R32 = R32
-def CMOVNS32rm: Im32<"cmovns",0x49, MRMSrcMem>, TB; // if !signed, R32 = [mem32]
-
-def CMOVL16rr : I <"cmovl", 0x4C, MRMSrcReg>, TB, OpSize; // if <s, R16 = R16
-def CMOVL16rm : Im16<"cmovl", 0x4C, MRMSrcMem>, TB, OpSize; // if <s, R16 = [mem16]
-def CMOVL32rr : I <"cmovl", 0x4C, MRMSrcReg>, TB; // if <s, R32 = R32
-def CMOVL32rm : Im32<"cmovl", 0x4C, MRMSrcMem>, TB; // if <s, R32 = [mem32]
-
-def CMOVGE16rr: I <"cmovge",0x4D, MRMSrcReg>, TB, OpSize; // if >=s, R16 = R16
-def CMOVGE16rm: Im16<"cmovge",0x4D, MRMSrcMem>, TB, OpSize; // if >=s, R16 = [mem16]
-def CMOVGE32rr: I <"cmovge",0x4D, MRMSrcReg>, TB; // if >=s, R32 = R32
-def CMOVGE32rm: Im32<"cmovge",0x4D, MRMSrcMem>, TB; // if >=s, R32 = [mem32]
-
-def CMOVLE16rr: I <"cmovle",0x4E, MRMSrcReg>, TB, OpSize; // if <=s, R16 = R16
-def CMOVLE16rm: Im16<"cmovle",0x4E, MRMSrcMem>, TB, OpSize; // if <=s, R16 = [mem16]
-def CMOVLE32rr: I <"cmovle",0x4E, MRMSrcReg>, TB; // if <=s, R32 = R32
-def CMOVLE32rm: Im32<"cmovle",0x4E, MRMSrcMem>, TB; // if <=s, R32 = [mem32]
-
-def CMOVG16rr : I <"cmovg", 0x4F, MRMSrcReg>, TB, OpSize; // if >s, R16 = R16
-def CMOVG16rm : Im16<"cmovg", 0x4F, MRMSrcMem>, TB, OpSize; // if >s, R16 = [mem16]
-def CMOVG32rr : I <"cmovg", 0x4F, MRMSrcReg>, TB; // if >s, R32 = R32
-def CMOVG32rm : Im32<"cmovg", 0x4F, MRMSrcMem>, TB; // if >s, R32 = [mem32]
+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, $src2}", []>, TB;
// unary instructions
-def NEG8r : I <"neg", 0xF6, MRM3r>; // R8 = -R8 = 0-R8
-def NEG16r : I <"neg", 0xF7, MRM3r>, OpSize; // R16 = -R16 = 0-R16
-def NEG32r : I <"neg", 0xF7, MRM3r>; // R32 = -R32 = 0-R32
-def NEG8m : Im8 <"neg", 0xF6, MRM3m>; // [mem8] = -[mem8] = 0-[mem8]
-def NEG16m : Im16<"neg", 0xF7, MRM3m>, OpSize; // [mem16] = -[mem16] = 0-[mem16]
-def NEG32m : Im32<"neg", 0xF7, MRM3m>; // [mem32] = -[mem32] = 0-[mem32]
-
-def NOT8r : I <"not", 0xF6, MRM2r>; // R8 = ~R8 = R8^-1
-def NOT16r : I <"not", 0xF7, MRM2r>, OpSize; // R16 = ~R16 = R16^-1
-def NOT32r : I <"not", 0xF7, MRM2r>; // R32 = ~R32 = R32^-1
-def NOT8m : Im8 <"not", 0xF6, MRM2m>; // [mem8] = ~[mem8] = [mem8^-1]
-def NOT16m : Im16<"not", 0xF7, MRM2m>, OpSize; // [mem16] = ~[mem16] = [mem16^-1]
-def NOT32m : Im32<"not", 0xF7, MRM2m>; // [mem32] = ~[mem32] = [mem32^-1]
-
-def INC8r : I <"inc", 0xFE, MRM0r>; // ++R8
-def INC16r : I <"inc", 0xFF, MRM0r>, OpSize; // ++R16
-def INC32r : I <"inc", 0xFF, MRM0r>; // ++R32
-def INC8m : Im8 <"inc", 0xFE, MRM0m>; // ++R8
-def INC16m : Im16<"inc", 0xFF, MRM0m>, OpSize; // ++R16
-def INC32m : Im32<"inc", 0xFF, MRM0m>; // ++R32
-
-def DEC8r : I <"dec", 0xFE, MRM1r>; // --R8
-def DEC16r : I <"dec", 0xFF, MRM1r>, OpSize; // --R16
-def DEC32r : I <"dec", 0xFF, MRM1r>; // --R32
-def DEC8m : Im8 <"dec", 0xFE, MRM1m>; // --[mem8]
-def DEC16m : Im16<"dec", 0xFF, MRM1m>, OpSize; // --[mem16]
-def DEC32m : Im32<"dec", 0xFF, MRM1m>; // --[mem32]
+def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
+ [(set R8:$dst, (ineg R8:$src))]>;
+def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
+ [(set R16:$dst, (ineg R16:$src))]>, OpSize;
+def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
+ [(set R32:$dst, (ineg R32:$src))]>;
+let isTwoAddress = 0 in {
+ def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst", []>;
+ def NEG16m : I<0xF7, MRM3m, (ops i16mem:$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} $dst",
+ [(set R8:$dst, (not R8:$src))]>;
+def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
+ [(set R16:$dst, (not R16:$src))]>, OpSize;
+def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
+ [(set R32:$dst, (not R32:$src))]>;
+let isTwoAddress = 0 in {
+ def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst", []>;
+ def NOT16m : I<0xF7, MRM2m, (ops i16mem:$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} $dst",
+ [(set R8:$dst, (add R8:$src, 1))]>;
+let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
+def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
+ [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
+def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
+ [(set R32:$dst, (add R32:$src, 1))]>;
+}
+let isTwoAddress = 0 in {
+ def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst", []>;
+ def INC16m : I<0xFF, MRM0m, (ops i16mem:$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} $dst", []>;
+}
// Logical operators...
-def AND8rr : I <"and", 0x20, MRMDestReg>,
- II<(ops R8:$dst, R8:$src1, R8:$src2), "and $dst, $src2">;
-def AND16rr : I <"and", 0x21, MRMDestReg>, OpSize,
- II<(ops R32:$dst, R32:$src1, R32:$src2), "and $dst, $src2">;
-def AND32rr : I <"and", 0x21, MRMDestReg>,
- II<(ops R32:$dst, R32:$src1, R32:$src2), "and $dst, $src2">;
-def AND8mr : Im8 <"and", 0x20, MRMDestMem>; // [mem8] &= R8
-def AND16mr : Im16 <"and", 0x21, MRMDestMem>, OpSize; // [mem16] &= R16
-def AND32mr : Im32 <"and", 0x21, MRMDestMem>; // [mem32] &= R32
-def AND8rm : Im8 <"and", 0x22, MRMSrcMem >; // R8 &= [mem8]
-def AND16rm : Im16 <"and", 0x23, MRMSrcMem >, OpSize; // R16 &= [mem16]
-def AND32rm : Im32 <"and", 0x23, MRMSrcMem >; // R32 &= [mem32]
-
-def AND8ri : Ii8 <"and", 0x80, MRM4r >;
-def AND16ri : Ii16 <"and", 0x81, MRM4r >, OpSize;
-def AND32ri : Ii32 <"and", 0x81, MRM4r >;
-def AND8mi : Im8i8 <"and", 0x80, MRM4m >; // [mem8] &= imm8
-def AND16mi : Im16i16<"and", 0x81, MRM4m >, OpSize; // [mem16] &= imm16
-def AND32mi : Im32i32<"and", 0x81, MRM4m >; // [mem32] &= imm32
-
-def AND16ri8 : Ii8 <"and", 0x83, MRM4r >, OpSize; // R16 &= imm8
-def AND32ri8 : Ii8 <"and", 0x83, MRM4r >; // R32 &= imm8
-def AND16mi8 : Im16i8<"and", 0x83, MRM4m >, OpSize; // [mem16] &= imm8
-def AND32mi8 : Im32i8<"and", 0x83, MRM4m >; // [mem32] &= imm8
-
-
-def OR8rr : I <"or" , 0x08, MRMDestReg>;
-def OR16rr : I <"or" , 0x09, MRMDestReg>, OpSize;
-def OR32rr : I <"or" , 0x09, MRMDestReg>;
-def OR8mr : Im8 <"or" , 0x08, MRMDestMem>; // [mem8] |= R8
-def OR16mr : Im16 <"or" , 0x09, MRMDestMem>, OpSize; // [mem16] |= R16
-def OR32mr : Im32 <"or" , 0x09, MRMDestMem>; // [mem32] |= R32
-def OR8rm : Im8 <"or" , 0x0A, MRMSrcMem >; // R8 |= [mem8]
-def OR16rm : Im16 <"or" , 0x0B, MRMSrcMem >, OpSize; // R16 |= [mem16]
-def OR32rm : Im32 <"or" , 0x0B, MRMSrcMem >; // R32 |= [mem32]
-
-def OR8ri : Ii8 <"or" , 0x80, MRM1r >;
-def OR16ri : Ii16 <"or" , 0x81, MRM1r >, OpSize;
-def OR32ri : Ii32 <"or" , 0x81, MRM1r >;
-def OR8mi : Im8i8 <"or" , 0x80, MRM1m >; // [mem8] |= imm8
-def OR16mi : Im16i16<"or" , 0x81, MRM1m >, OpSize; // [mem16] |= imm16
-def OR32mi : Im32i32<"or" , 0x81, MRM1m >; // [mem32] |= imm32
-
-def OR16ri8 : Ii8 <"or" , 0x83, MRM1r >, OpSize; // R16 |= imm8
-def OR32ri8 : Ii8 <"or" , 0x83, MRM1r >; // R32 |= imm8
-def OR16mi8 : Im16i8<"or" , 0x83, MRM1m >, OpSize; // [mem16] |= imm8
-def OR32mi8 : Im32i8<"or" , 0x83, MRM1m >; // [mem32] |= imm8
-
-
-def XOR8rr : I <"xor", 0x30, MRMDestReg>;
-def XOR16rr : I <"xor", 0x31, MRMDestReg>, OpSize;
-def XOR32rr : I <"xor", 0x31, MRMDestReg>;
-def XOR8mr : Im8 <"xor", 0x30, MRMDestMem>; // [mem8] ^= R8
-def XOR16mr : Im16 <"xor", 0x31, MRMDestMem>, OpSize; // [mem16] ^= R16
-def XOR32mr : Im32 <"xor", 0x31, MRMDestMem>; // [mem32] ^= R32
-def XOR8rm : Im8 <"xor", 0x32, MRMSrcMem >; // R8 ^= [mem8]
-def XOR16rm : Im16 <"xor", 0x33, MRMSrcMem >, OpSize; // R16 ^= [mem16]
-def XOR32rm : Im32 <"xor", 0x33, MRMSrcMem >; // R32 ^= [mem32]
-
-def XOR8ri : Ii8 <"xor", 0x80, MRM6r >;
-def XOR16ri : Ii16 <"xor", 0x81, MRM6r >, OpSize;
-def XOR32ri : Ii32 <"xor", 0x81, MRM6r >;
-def XOR8mi : Im8i8 <"xor", 0x80, MRM6m >; // [mem8] ^= R8
-def XOR16mi : Im16i16<"xor", 0x81, MRM6m >, OpSize; // [mem16] ^= R16
-def XOR32mi : Im32i32<"xor", 0x81, MRM6m >; // [mem32] ^= R32
-
-def XOR16ri8 : Ii8 <"xor", 0x83, MRM6r >, OpSize; // R16 ^= imm8
-def XOR32ri8 : Ii8 <"xor", 0x83, MRM6r >; // R32 ^= imm8
-def XOR16mi8 : Im16i8<"xor", 0x83, MRM6m >, OpSize; // [mem16] ^= imm8
-def XOR32mi8 : Im32i8<"xor", 0x83, MRM6m >; // [mem32] ^= imm8
+let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
+def AND8rr : I<0x20, MRMDestReg,
+ (ops R8 :$dst, R8 :$src1, R8 :$src2),
+ "and{b} {$src2, $dst|$dst, $src2}",
+ [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
+def AND16rr : I<0x21, MRMDestReg,
+ (ops R16:$dst, R16:$src1, R16:$src2),
+ "and{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
+def AND32rr : I<0x21, MRMDestReg,
+ (ops R32:$dst, R32:$src1, R32:$src2),
+ "and{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
+}
+
+def AND8rm : I<0x22, MRMSrcMem,
+ (ops R8 :$dst, R8 :$src1, i8mem :$src2),
+ "and{b} {$src2, $dst|$dst, $src2}",[]>;
+def AND16rm : I<0x23, MRMSrcMem,
+ (ops R16:$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, $src2}",
+ [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
+def AND16ri : Ii16<0x81, MRM4r,
+ (ops R16:$dst, R16:$src1, i16imm:$src2),
+ "and{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
+def AND32ri : Ii32<0x81, MRM4r,
+ (ops R32:$dst, R32:$src1, i32imm:$src2),
+ "and{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
+def AND16ri8 : Ii8<0x83, MRM4r,
+ (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "and{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (and R16:$src1, immSExt8:$src2))]>, OpSize;
+def AND32ri8 : Ii8<0x83, MRM4r,
+ (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "and{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (and R32:$src1, immSExt8:$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, $src2}",
+ [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
+def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
+ "or{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
+def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
+ "or{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
+}
+def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
+ "or{b} {$src2, $dst|$dst, $src2}", []>;
+def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$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, $src2}",
+ [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
+def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
+ "or{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
+def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
+ "or{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
+
+def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "or{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (or R16:$src1, immSExt8:$src2))]>, OpSize;
+def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "or{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (or R32:$src1, immSExt8:$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, $src2}",
+ [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
+def XOR16rr : I<0x31, MRMDestReg,
+ (ops R16:$dst, R16:$src1, R16:$src2),
+ "xor{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
+def XOR32rr : I<0x31, MRMDestReg,
+ (ops R32:$dst, R32:$src1, R32:$src2),
+ "xor{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
+}
+
+def XOR8rm : I<0x32, MRMSrcMem ,
+ (ops R8 :$dst, R8:$src1, i8mem :$src2),
+ "xor{b} {$src2, $dst|$dst, $src2}", []>;
+def XOR16rm : I<0x33, MRMSrcMem ,
+ (ops R16:$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, $src2}",
+ [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
+def XOR16ri : Ii16<0x81, MRM6r,
+ (ops R16:$dst, R16:$src1, i16imm:$src2),
+ "xor{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
+def XOR32ri : Ii32<0x81, MRM6r,
+ (ops R32:$dst, R32:$src1, i32imm:$src2),
+ "xor{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
+def XOR16ri8 : Ii8<0x83, MRM6r,
+ (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "xor{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (xor R16:$src1, immSExt8:$src2))]>, OpSize;
+def XOR32ri8 : Ii8<0x83, MRM6r,
+ (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "xor{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (xor R32:$src1, immSExt8:$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, $src}", []>;
+}
// Shift instructions
// FIXME: provide shorter instructions when imm8 == 1
-def SHL8rCL : I <"shl", 0xD2, MRM4r > , UsesCL, // R8 <<= cl
- II<(ops R8:$dst, R8:$src), "shl $dst, %CL">;
-def SHL16rCL : I <"shl", 0xD3, MRM4r >, OpSize, UsesCL, // R16 <<= cl
- II<(ops R16:$dst, R16:$src), "shl $dst, %CL">;
-def SHL32rCL : I <"shl", 0xD3, MRM4r > , UsesCL, // R32 <<= cl
- II<(ops R32:$dst, R32:$src), "shl $dst, %CL">;
-def SHL8mCL : Im8 <"shl", 0xD2, MRM4m > , UsesCL; // [mem8] <<= cl
-def SHL16mCL : Im16 <"shl", 0xD3, MRM4m >, OpSize, UsesCL; // [mem16] <<= cl
-def SHL32mCL : Im32 <"shl", 0xD3, MRM4m > , UsesCL; // [mem32] <<= cl
-
-def SHL8ri : Ii8 <"shl", 0xC0, MRM4r >; // R8 <<= imm8
-def SHL16ri : Ii8 <"shl", 0xC1, MRM4r >, OpSize; // R16 <<= imm8
-def SHL32ri : Ii8 <"shl", 0xC1, MRM4r >; // R32 <<= imm8
-def SHL8mi : Im8i8 <"shl", 0xC0, MRM4m >; // [mem8] <<= imm8
-def SHL16mi : Im16i8<"shl", 0xC1, MRM4m >, OpSize; // [mem16] <<= imm8
-def SHL32mi : Im32i8<"shl", 0xC1, MRM4m >; // [mem32] <<= imm8
-
-def SHR8rCL : I <"shr", 0xD2, MRM5r > , UsesCL, // R8 >>= cl
- II<(ops R8:$dst, R8:$src), "shr $dst, %CL">;
-def SHR16rCL : I <"shr", 0xD3, MRM5r >, OpSize, UsesCL, // R16 >>= cl
- II<(ops R16:$dst, R16:$src), "shr $dst, %CL">;
-def SHR32rCL : I <"shr", 0xD3, MRM5r > , UsesCL, // R32 >>= cl
- II<(ops R32:$dst, R32:$src), "shr $dst, %CL">;
-def SHR8mCL : Im8 <"shr", 0xD2, MRM5m > , UsesCL; // [mem8] >>= cl
-def SHR16mCL : Im16 <"shr", 0xD3, MRM5m >, OpSize, UsesCL; // [mem16] >>= cl
-def SHR32mCL : Im32 <"shr", 0xD3, MRM5m > , UsesCL; // [mem32] >>= cl
-
-def SHR8ri : Ii8 <"shr", 0xC0, MRM5r >; // R8 >>= imm8
-def SHR16ri : Ii8 <"shr", 0xC1, MRM5r >, OpSize; // R16 >>= imm8
-def SHR32ri : Ii8 <"shr", 0xC1, MRM5r >; // R32 >>= imm8
-def SHR8mi : Im8i8 <"shr", 0xC0, MRM5m >; // [mem8] >>= imm8
-def SHR16mi : Im16i8<"shr", 0xC1, MRM5m >, OpSize; // [mem16] >>= imm8
-def SHR32mi : Im32i8<"shr", 0xC1, MRM5m >; // [mem32] >>= imm8
-
-def SAR8rCL : I <"sar", 0xD2, MRM7r > , UsesCL; // R8 >>>= cl
-def SAR16rCL : I <"sar", 0xD3, MRM7r >, OpSize, UsesCL; // R16 >>>= cl
-def SAR32rCL : I <"sar", 0xD3, MRM7r > , UsesCL; // R32 >>>= cl
-def SAR8mCL : Im8 <"sar", 0xD2, MRM7m > , UsesCL; // [mem8] >>>= cl
-def SAR16mCL : Im16 <"sar", 0xD3, MRM7m >, OpSize, UsesCL; // [mem16] >>>= cl
-def SAR32mCL : Im32 <"sar", 0xD3, MRM7m > , UsesCL; // [mem32] >>>= cl
-
-def SAR8ri : Ii8 <"sar", 0xC0, MRM7r >; // R8 >>>= imm8
-def SAR16ri : Ii8 <"sar", 0xC1, MRM7r >, OpSize; // R16 >>>= imm8
-def SAR32ri : Ii8 <"sar", 0xC1, MRM7r >; // R32 >>>= imm8
-def SAR8mi : Im8i8 <"sar", 0xC0, MRM7m >; // [mem8] >>>= imm8
-def SAR16mi : Im16i8<"sar", 0xC1, MRM7m >, OpSize; // [mem16] >>>= imm8
-def SAR32mi : Im32i8<"sar", 0xC1, MRM7m >; // [mem32] >>>= imm8
-
-def SHLD32rrCL : I <"shld", 0xA5, MRMDestReg>, TB, UsesCL; // R32 <<= R32,R32 cl
-def SHLD32mrCL : Im32 <"shld", 0xA5, MRMDestMem>, TB, UsesCL; // [mem32] <<= [mem32],R32 cl
-def SHLD32rri8 : Ii8 <"shld", 0xA4, MRMDestReg>, TB; // R32 <<= R32,R32 imm8
-def SHLD32mri8 : Im32i8<"shld", 0xA4, MRMDestMem>, TB; // [mem32] <<= [mem32],R32 imm8
-
-def SHRD32rrCL : I <"shrd", 0xAD, MRMDestReg>, TB, UsesCL; // R32 >>= R32,R32 cl
-def SHRD32mrCL : Im32 <"shrd", 0xAD, MRMDestMem>, TB, UsesCL; // [mem32] >>= [mem32],R32 cl
-def SHRD32rri8 : Ii8 <"shrd", 0xAC, MRMDestReg>, TB; // R32 >>= R32,R32 imm8
-def SHRD32mri8 : Im32i8<"shrd", 0xAC, MRMDestMem>, TB; // [mem32] >>= [mem32],R32 imm8
-
-
-// Arithmetic...
-def ADD8rr : I <"add", 0x00, MRMDestReg>;
-def ADD16rr : I <"add", 0x01, MRMDestReg>, OpSize;
-def ADD32rr : I <"add", 0x01, MRMDestReg>;
-def ADD8mr : Im8 <"add", 0x00, MRMDestMem>; // [mem8] += R8
-def ADD16mr : Im16 <"add", 0x01, MRMDestMem>, OpSize; // [mem16] += R16
-def ADD32mr : Im32 <"add", 0x01, MRMDestMem>; // [mem32] += R32
-def ADD8rm : Im8 <"add", 0x02, MRMSrcMem >; // R8 += [mem8]
-def ADD16rm : Im16 <"add", 0x03, MRMSrcMem >, OpSize; // R16 += [mem16]
-def ADD32rm : Im32 <"add", 0x03, MRMSrcMem >; // R32 += [mem32]
-
-def ADD8ri : Ii8 <"add", 0x80, MRM0r >;
-def ADD16ri : Ii16 <"add", 0x81, MRM0r >, OpSize;
-def ADD32ri : Ii32 <"add", 0x81, MRM0r >;
-def ADD8mi : Im8i8 <"add", 0x80, MRM0m >; // [mem8] += I8
-def ADD16mi : Im16i16<"add", 0x81, MRM0m >, OpSize; // [mem16] += I16
-def ADD32mi : Im32i32<"add", 0x81, MRM0m >; // [mem32] += I32
-
-def ADD16ri8 : Ii8 <"add", 0x83, MRM0r >, OpSize; // ADDri with sign extended 8 bit imm
-def ADD32ri8 : Ii8 <"add", 0x83, MRM0r >;
-def ADD16mi8 : Im16i8<"add", 0x83, MRM0m >, OpSize; // [mem16] += I8
-def ADD32mi8 : Im32i8<"add", 0x83, MRM0m >; // [mem32] += I8
-
-def ADC32rr : I <"adc", 0x11, MRMDestReg>; // R32 += R32+Carry
-def ADC32mr : Im32 <"adc", 0x11, MRMDestMem>; // [mem32] += R32+Carry
-def ADC32rm : Im32 <"adc", 0x13, MRMSrcMem >; // R32 += [mem32]+Carry
-def ADC32ri : Ii32 <"adc", 0x81, MRM2r >; // R32 += I32+Carry
-def ADC32ri8 : Ii8 <"adc", 0x83, MRM2r >; // R32 += I8+Carry
-def ADC32mi : Im32i32<"adc", 0x81, MRM2m >; // [mem32] += I32+Carry
-def ADC32mi8 : Im32i8 <"adc", 0x83, MRM2m >; // [mem32] += I8+Carry
-
-def SUB8rr : I <"sub", 0x28, MRMDestReg>;
-def SUB16rr : I <"sub", 0x29, MRMDestReg>, OpSize;
-def SUB32rr : I <"sub", 0x29, MRMDestReg>;
-def SUB8mr : Im8 <"sub", 0x28, MRMDestMem>; // [mem8] -= R8
-def SUB16mr : Im16 <"sub", 0x29, MRMDestMem>, OpSize; // [mem16] -= R16
-def SUB32mr : Im32 <"sub", 0x29, MRMDestMem>; // [mem32] -= R32
-def SUB8rm : Im8 <"sub", 0x2A, MRMSrcMem >; // R8 -= [mem8]
-def SUB16rm : Im16 <"sub", 0x2B, MRMSrcMem >, OpSize; // R16 -= [mem16]
-def SUB32rm : Im32 <"sub", 0x2B, MRMSrcMem >; // R32 -= [mem32]
-
-def SUB8ri : Ii8 <"sub", 0x80, MRM5r >;
-def SUB16ri : Ii16 <"sub", 0x81, MRM5r >, OpSize;
-def SUB32ri : Ii32 <"sub", 0x81, MRM5r >;
-def SUB8mi : Im8i8 <"sub", 0x80, MRM5m >; // [mem8] -= I8
-def SUB16mi : Im16i16<"sub", 0x81, MRM5m >, OpSize; // [mem16] -= I16
-def SUB32mi : Im32i32<"sub", 0x81, MRM5m >; // [mem32] -= I32
-
-def SUB16ri8 : Ii8 <"sub", 0x83, MRM5r >, OpSize;
-def SUB32ri8 : Ii8 <"sub", 0x83, MRM5r >;
-def SUB16mi8 : Im16i8<"sub", 0x83, MRM5m >, OpSize; // [mem16] -= I8
-def SUB32mi8 : Im32i8<"sub", 0x83, MRM5m >; // [mem32] -= I8
-
-def SBB32rr : I <"sbb", 0x19, MRMDestReg>; // R32 -= R32+Carry
-def SBB32mr : Im32 <"sbb", 0x19, MRMDestMem>; // [mem32] -= R32+Carry
-def SBB32rm : Im32 <"sbb", 0x1B, MRMSrcMem >; // R32 -= [mem32]+Carry
-def SBB32ri : Ii32 <"sbb", 0x81, MRM3r >; // R32 -= I32+Carry
-def SBB32ri8 : Ii8 <"sbb", 0x83, MRM3r >; // R32 -= I8+Carry
-def SBB32mi : Im32i32<"sbb", 0x81, MRM3m >; // [mem32] -= I32+Carry
-def SBB32mi8 : Im32i8 <"sbb", 0x83, MRM3m >; // [mem32] -= I8+Carry
-
-def IMUL16rr : I <"imul", 0xAF, MRMSrcReg>, TB, OpSize;
-def IMUL32rr : I <"imul", 0xAF, MRMSrcReg>, TB;
-def IMUL16rm : Im16 <"imul", 0xAF, MRMSrcMem>, TB, OpSize;
-def IMUL32rm : Im32 <"imul", 0xAF, MRMSrcMem>, TB ;
+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, $src2}",
+ [(set R8:$dst, (shl R8:$src1, imm:$src2))]>;
+let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
+def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "shl{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (shl R16:$src1, immSExt8:$src2))]>, OpSize;
+def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "shl{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (shl R32:$src1, immSExt8:$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, $src2}",
+ [(set R8:$dst, (srl R8:$src1, imm:$src2))]>;
+def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "shr{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (srl R16:$src1, immSExt8:$src2))]>, OpSize;
+def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "shr{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (srl R32:$src1, immSExt8:$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, $src2}",
+ [(set R8:$dst, (sra R8:$src1, imm:$src2))]>;
+def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "sar{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (sra R16:$src1, immSExt8:$src2))]>, OpSize;
+def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "sar{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (sra R32:$src1, immSExt8:$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, $src2}",
+ [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
+let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
+def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
+ "add{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
+def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
+ "add{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
+} // end isConvertibleToThreeAddress
+} // end isCommutable
+def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
+ "add{b} {$src2, $dst|$dst, $src2}", []>;
+def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$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, $src2}",
+ [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
+
+let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
+def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
+ "add{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
+def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
+ "add{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
+}
+
+// FIXME: move ADD16ri8 above ADD16ri to optimize for space.
+def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "add{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (add R16:$src1, immSExt8:$src2))]>, OpSize;
+def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "add{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (add R32:$src1, immSExt8:$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, $src2}",
+ [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
+def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
+ "sub{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
+def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
+ "sub{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
+def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
+ "sub{b} {$src2, $dst|$dst, $src2}", []>;
+def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$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, $src2}",
+ [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
+def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
+ "sub{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
+def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
+ "sub{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
+def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "sub{w} {$src2, $dst|$dst, $src2}",
+ [(set R16:$dst, (sub R16:$src1, immSExt8:$src2))]>, OpSize;
+def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "sub{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (sub R32:$src1, immSExt8:$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, $src2}",
+ [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
+def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
+ "imul{l} {$src2, $dst|$dst, $src2}",
+ [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
+}
+def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
+ "imul{w} {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
+def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
+ "imul{l} {$src2, $dst|$dst, $src2}", []>, TB;
} // end Two Address instructions
-// These are suprisingly enough not two address instructions!
-def IMUL16rri : Ii16 <"imul", 0x69, MRMSrcReg>, OpSize; // R16 = R16*I16
-def IMUL32rri : Ii32 <"imul", 0x69, MRMSrcReg>; // R32 = R32*I32
-def IMUL16rri8 : Ii8 <"imul", 0x6B, MRMSrcReg>, OpSize; // R16 = R16*I8
-def IMUL32rri8 : Ii8 <"imul", 0x6B, MRMSrcReg>; // R32 = R32*I8
-def IMUL16rmi : Im16i16<"imul",0x69, MRMSrcMem>, OpSize; // R16 = [mem16]*I16
-def IMUL32rmi : Im32i32<"imul",0x69, MRMSrcMem>; // R32 = [mem32]*I32
-def IMUL16rmi8 : Im16i8<"imul", 0x6B, MRMSrcMem>, OpSize; // R16 = [mem16]*I8
-def IMUL32rmi8 : Im32i8<"imul", 0x6B, MRMSrcMem>; // R32 = [mem32]*I8
+// Suprisingly enough, these are not two address instructions!
+def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
+ (ops R16:$dst, R16:$src1, i16imm:$src2),
+ "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set R16:$dst, (mul R16:$src1, imm:$src2))]>,
+ OpSize;
+def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
+ (ops R32:$dst, R32:$src1, i32imm:$src2),
+ "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
+def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
+ (ops R16:$dst, R16:$src1, i16i8imm:$src2),
+ "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set R16:$dst, (mul R16:$src1, immSExt8:$src2))]>, OpSize;
+def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
+ (ops R32:$dst, R32:$src1, i32i8imm:$src2),
+ "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set R32:$dst, (mul R32:$src1, immSExt8:$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, $src2}", []>;
//===----------------------------------------------------------------------===//
// Test instructions are just like AND, except they don't generate a result.
-def TEST8rr : I <"test", 0x84, MRMDestReg>; // flags = R8 & R8
-def TEST16rr : I <"test", 0x85, MRMDestReg>, OpSize; // flags = R16 & R16
-def TEST32rr : I <"test", 0x85, MRMDestReg>; // flags = R32 & R32
-def TEST8mr : Im8 <"test", 0x84, MRMDestMem>; // flags = [mem8] & R8
-def TEST16mr : Im16 <"test", 0x85, MRMDestMem>, OpSize; // flags = [mem16] & R16
-def TEST32mr : Im32 <"test", 0x85, MRMDestMem>; // flags = [mem32] & R32
-def TEST8rm : Im8 <"test", 0x84, MRMSrcMem >; // flags = R8 & [mem8]
-def TEST16rm : Im16 <"test", 0x85, MRMSrcMem >, OpSize; // flags = R16 & [mem16]
-def TEST32rm : Im32 <"test", 0x85, MRMSrcMem >; // flags = R32 & [mem32]
-
-def TEST8ri : Ii8 <"test", 0xF6, MRM0r >; // flags = R8 & imm8
-def TEST16ri : Ii16 <"test", 0xF7, MRM0r >, OpSize; // flags = R16 & imm16
-def TEST32ri : Ii32 <"test", 0xF7, MRM0r >; // flags = R32 & imm32
-def TEST8mi : Im8i8 <"test", 0xF6, MRM0m >; // flags = [mem8] & imm8
-def TEST16mi : Im16i16<"test", 0xF7, MRM0m >, OpSize; // flags = [mem16] & imm16
-def TEST32mi : Im32i32<"test", 0xF7, MRM0m >; // flags = [mem32] & imm32
+//
+let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
+def TEST8rr : I<0x84, MRMDestReg, (ops R8:$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 <"sahf" , 0x9E, RawFrm>, Imp<[AH],[]>, // flags = AH
- II<(ops), "sahf">;
-def LAHF : I <"lahf" , 0x9F, RawFrm>, Imp<[],[AH]>, // AH = flags
- II<(ops), "lahf">;
-
-def SETBr : I <"setb" , 0x92, MRM0r>, TB; // R8 = < unsign
-def SETBm : Im8<"setb" , 0x92, MRM0m>, TB; // [mem8] = < unsign
-def SETAEr : I <"setae", 0x93, MRM0r>, TB; // R8 = >= unsign
-def SETAEm : Im8<"setae", 0x93, MRM0m>, TB; // [mem8] = >= unsign
-def SETEr : I <"sete" , 0x94, MRM0r>, TB; // R8 = ==
-def SETEm : Im8<"sete" , 0x94, MRM0m>, TB; // [mem8] = ==
-def SETNEr : I <"setne", 0x95, MRM0r>, TB; // R8 = !=
-def SETNEm : Im8<"setne", 0x95, MRM0m>, TB; // [mem8] = !=
-def SETBEr : I <"setbe", 0x96, MRM0r>, TB; // R8 = <= unsign
-def SETBEm : Im8<"setbe", 0x96, MRM0m>, TB; // [mem8] = <= unsign
-def SETAr : I <"seta" , 0x97, MRM0r>, TB; // R8 = > signed
-def SETAm : Im8<"seta" , 0x97, MRM0m>, TB; // [mem8] = > signed
-def SETSr : I <"sets" , 0x98, MRM0r>, TB; // R8 = <sign bit>
-def SETSm : Im8<"sets" , 0x98, MRM0m>, TB; // [mem8] = <sign bit>
-def SETNSr : I <"setns", 0x99, MRM0r>, TB; // R8 = !<sign bit>
-def SETNSm : Im8<"setns", 0x99, MRM0m>, TB; // [mem8] = !<sign bit>
-def SETPr : I <"setp" , 0x9A, MRM0r>, TB; // R8 = parity
-def SETPm : Im8<"setp" , 0x9A, MRM0m>, TB; // [mem8] = parity
-def SETLr : I <"setl" , 0x9C, MRM0r>, TB; // R8 = < signed
-def SETLm : Im8<"setl" , 0x9C, MRM0m>, TB; // [mem8] = < signed
-def SETGEr : I <"setge", 0x9D, MRM0r>, TB; // R8 = >= signed
-def SETGEm : Im8<"setge", 0x9D, MRM0m>, TB; // [mem8] = >= signed
-def SETLEr : I <"setle", 0x9E, MRM0r>, TB; // R8 = <= signed
-def SETLEm : Im8<"setle", 0x9E, MRM0m>, TB; // [mem8] = <= signed
-def SETGr : I <"setg" , 0x9F, MRM0r>, TB; // R8 = < signed
-def SETGm : Im8<"setg" , 0x9F, MRM0m>, TB; // [mem8] = < signed
+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 $dst", []>, TB; // [mem8] = < signed
// Integer comparisons
-def CMP8rr : I <"cmp", 0x38, MRMDestReg>; // compare R8, R8
-def CMP16rr : I <"cmp", 0x39, MRMDestReg>, OpSize; // compare R16, R16
-def CMP32rr : I <"cmp", 0x39, MRMDestReg>; // compare R32, R32
-def CMP8mr : Im8 <"cmp", 0x38, MRMDestMem>; // compare [mem8], R8
-def CMP16mr : Im16 <"cmp", 0x39, MRMDestMem>, OpSize; // compare [mem16], R16
-def CMP32mr : Im32 <"cmp", 0x39, MRMDestMem>; // compare [mem32], R32
-def CMP8rm : Im8 <"cmp", 0x3A, MRMSrcMem >; // compare R8, [mem8]
-def CMP16rm : Im16 <"cmp", 0x3B, MRMSrcMem >, OpSize; // compare R16, [mem16]
-def CMP32rm : Im32 <"cmp", 0x3B, MRMSrcMem >; // compare R32, [mem32]
-def CMP8ri : Ii8 <"cmp", 0x80, MRM7r >; // compare R8, imm8
-def CMP16ri : Ii16 <"cmp", 0x81, MRM7r >, OpSize; // compare R16, imm16
-def CMP32ri : Ii32 <"cmp", 0x81, MRM7r >; // compare R32, imm32
-def CMP8mi : Im8i8 <"cmp", 0x80, MRM7m >; // compare [mem8], imm8
-def CMP16mi : Im16i16<"cmp", 0x81, MRM7m >, OpSize; // compare [mem16], imm16
-def CMP32mi : Im32i32<"cmp", 0x81, MRM7m >; // compare [mem32], imm32
+def CMP8rr : I<0x38, MRMDestReg,
+ (ops R8 :$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, $src2}", []>;
// Sign/Zero extenders
-def MOVSX16rr8 : I <"movsx", 0xBE, MRMSrcReg>, TB, OpSize; // R16 = signext(R8)
-def MOVSX32rr8 : I <"movsx", 0xBE, MRMSrcReg>, TB; // R32 = signext(R8)
-def MOVSX32rr16: I <"movsx", 0xBF, MRMSrcReg>, TB; // R32 = signext(R16)
-def MOVSX16rm8 : Im8 <"movsx", 0xBE, MRMSrcMem>, TB, OpSize; // R16 = signext([mem8])
-def MOVSX32rm8 : Im8 <"movsx", 0xBE, MRMSrcMem>, TB; // R32 = signext([mem8])
-def MOVSX32rm16: Im16<"movsx", 0xBF, MRMSrcMem>, TB; // R32 = signext([mem16])
+def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
+ "movs{bw|x} {$src, $dst|$dst, $src}",
+ [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
+def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
+ "movs{bw|x} {$src, $dst|$dst, $src}", []>, TB, OpSize;
+def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
+ "movs{bl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (sext R8:$src))]>, TB;
+def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
+ "movs{bl|x} {$src, $dst|$dst, $src}", []>, TB;
+def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
+ "movs{wl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (sext R16:$src))]>, TB;
+def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
+ "movs{wl|x} {$src, $dst|$dst, $src}", []>, TB;
+
+def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
+ "movz{bw|x} {$src, $dst|$dst, $src}",
+ [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
+def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
+ "movz{bw|x} {$src, $dst|$dst, $src}", []>, TB, OpSize;
+def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
+ "movz{bl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (zext R8:$src))]>, TB;
+def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
+ "movz{bl|x} {$src, $dst|$dst, $src}", []>, TB;
+def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
+ "movz{wl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (zext R16:$src))]>, TB;
+def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
+ "movz{wl|x} {$src, $dst|$dst, $src}", []>, TB;
-def MOVZX16rr8 : I <"movzx", 0xB6, MRMSrcReg>, TB, OpSize; // R16 = zeroext(R8)
-def MOVZX32rr8 : I <"movzx", 0xB6, MRMSrcReg>, TB; // R32 = zeroext(R8)
-def MOVZX32rr16: I <"movzx", 0xB7, MRMSrcReg>, TB; // R32 = zeroext(R16)
-def MOVZX16rm8 : Im8 <"movzx", 0xB6, MRMSrcMem>, TB, OpSize; // R16 = zeroext([mem8])
-def MOVZX32rm8 : Im8 <"movzx", 0xB6, MRMSrcMem>, TB; // R32 = zeroext([mem8])
-def MOVZX32rm16: Im16<"movzx", 0xB7, MRMSrcMem>, TB; // R32 = zeroext([mem16])
+//===----------------------------------------------------------------------===//
+// XMM Floating point support (requires SSE2)
+//===----------------------------------------------------------------------===//
+
+def MOVSSrr : I<0x10, MRMSrcReg, (ops V4F4:$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, $src}",
+ [(set R32:$dst, (fp_to_sint V2F8:$src))]>, XD;
+def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
+ "cvttsd2si {$src, $dst|$dst, $src}", []>, XD;
+def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V4F4:$src),
+ "cvttss2si {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (fp_to_sint V4F4:$src))]>, XS;
+def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
+ "cvttss2si {$src, $dst|$dst, $src}", []>, XS;
+def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops V4F4:$dst, V2F8:$src),
+ "cvtsd2ss {$src, $dst|$dst, $src}",
+ [(set V4F4:$dst, (fround V2F8:$src))]>, XS;
+def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops V4F4:$dst, f64mem:$src),
+ "cvtsd2ss {$src, $dst|$dst, $src}", []>, XS;
+def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops V2F8:$dst, V4F4:$src),
+ "cvtss2sd {$src, $dst|$dst, $src}",
+ [(set V2F8:$dst, (fextend V4F4:$src))]>, XD;
+def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops V2F8:$dst, f32mem:$src),
+ "cvtss2sd {$src, $dst|$dst, $src}", []>, XD;
+def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops V4F4:$dst, R32:$src),
+ "cvtsi2ss {$src, $dst|$dst, $src}",
+ [(set V4F4:$dst, (sint_to_fp R32:$src))]>, XS;
+def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops V4F4:$dst, i32mem:$src),
+ "cvtsi2ss {$src, $dst|$dst, $src}", []>, XS;
+def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops V2F8:$dst, R32:$src),
+ "cvtsi2sd {$src, $dst|$dst, $src}",
+ [(set V2F8:$dst, (sint_to_fp R32:$src))]>, XD;
+def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops V2F8:$dst, i32mem:$src),
+ "cvtsi2sd {$src, $dst|$dst, $src}", []>, XD;
+
+def SQRTSSrm : I<0x51, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
+ "sqrtss {$src, $dst|$dst, $src}", []>, XS;
+def SQRTSSrr : I<0x51, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
+ "sqrtss {$src, $dst|$dst, $src}",
+ [(set V4F4:$dst, (fsqrt V4F4:$src))]>, XS;
+def SQRTSDrm : I<0x51, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
+ "sqrtsd {$src, $dst|$dst, $src}", []>, XD;
+def SQRTSDrr : I<0x51, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
+ "sqrtsd {$src, $dst|$dst, $src}",
+ [(set V2F8:$dst, (fsqrt V2F8:$src))]>, XD;
+
+def UCOMISDrr: I<0x2E, MRMSrcReg, (ops V2F8:$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, $src}", []>, TB;
+
+// Pseudo-instructions that map fld0 to xorps/xorpd for sse.
+// FIXME: remove when we can teach regalloc that xor reg, reg is ok.
+def FLD0SS : I<0x57, MRMSrcReg, (ops V4F4:$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:$src1, V4F4:$src2),
+ "addss {$src2, $dst|$dst, $src2}",
+ [(set V4F4:$dst, (fadd V4F4:$src1, V4F4:$src2))]>, XS;
+def ADDSDrr : I<0x58, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "addsd {$src2, $dst|$dst, $src2}",
+ [(set V2F8:$dst, (fadd V2F8:$src1, V2F8:$src2))]>, XD;
+def ANDPSrr : I<0x54, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "andps {$src2, $dst|$dst, $src2}", []>, TB;
+def ANDPDrr : I<0x54, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "andpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
+def MULSSrr : I<0x59, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "mulss {$src2, $dst|$dst, $src2}",
+ [(set V4F4:$dst, (fmul V4F4:$src1, V4F4:$src2))]>, XS;
+def MULSDrr : I<0x59, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "mulsd {$src2, $dst|$dst, $src2}",
+ [(set V2F8:$dst, (fmul V2F8:$src1, V2F8:$src2))]>, XD;
+def ORPSrr : I<0x56, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "orps {$src2, $dst|$dst, $src2}", []>, TB;
+def ORPDrr : I<0x56, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "orpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
+def XORPSrr : I<0x57, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "xorps {$src2, $dst|$dst, $src2}", []>, TB;
+def XORPDrr : I<0x57, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "xorpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
+}
+def ANDNPSrr : I<0x55, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "andnps {$src2, $dst|$dst, $src2}", []>, TB;
+def ANDNPDrr : I<0x55, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "andnpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
+def ADDSSrm : I<0x58, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
+ "addss {$src2, $dst|$dst, $src2}", []>, XS;
+def ADDSDrm : I<0x58, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
+ "addsd {$src2, $dst|$dst, $src2}", []>, XD;
+def MULSSrm : I<0x59, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
+ "mulss {$src2, $dst|$dst, $src2}", []>, XS;
+def MULSDrm : I<0x59, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
+ "mulsd {$src2, $dst|$dst, $src2}", []>, XD;
+
+def DIVSSrm : I<0x5E, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
+ "divss {$src2, $dst|$dst, $src2}", []>, XS;
+def DIVSSrr : I<0x5E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "divss {$src2, $dst|$dst, $src2}",
+ [(set V4F4:$dst, (fdiv V4F4:$src1, V4F4:$src2))]>, XS;
+def DIVSDrm : I<0x5E, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
+ "divsd {$src2, $dst|$dst, $src2}", []>, XD;
+def DIVSDrr : I<0x5E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "divsd {$src2, $dst|$dst, $src2}",
+ [(set V2F8:$dst, (fdiv V2F8:$src1, V2F8:$src2))]>, XD;
+
+def SUBSSrm : I<0x5C, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
+ "subss {$src2, $dst|$dst, $src2}", []>, XS;
+def SUBSSrr : I<0x5C, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
+ "subss {$src2, $dst|$dst, $src2}",
+ [(set V4F4:$dst, (fsub V4F4:$src1, V4F4:$src2))]>, XS;
+def SUBSDrm : I<0x5C, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
+ "subsd {$src2, $dst|$dst, $src2}", []>, XD;
+def SUBSDrr : I<0x5C, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
+ "subsd {$src2, $dst|$dst, $src2}",
+ [(set V2F8:$dst, (fsub V2F8:$src1, V2F8:$src2))]>, 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;
+}
//===----------------------------------------------------------------------===//
-// Floating point support
+// Miscellaneous Instructions
//===----------------------------------------------------------------------===//
-// FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP'
+def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", []>, TB, Imp<[],[EAX,EDX]>;
-// Floating point instruction templates
-class FPInst<string n, bits<8> o, Format F, FPFormat fp, MemType m, ImmType i>
- : X86Inst<n, o, F, m, i> { let FPForm = fp; let FPFormBits = FPForm.Value; }
-class FPI<string n, bits<8> o, Format F, FPFormat fp> : FPInst<n, o, F, fp, NoMem, NoImm>;
+//===----------------------------------------------------------------------===//
+// Stack-based Floating point support
+//===----------------------------------------------------------------------===//
-class FPIM<string n, bits<8> o, Format F, FPFormat fp, MemType m> : FPInst<n, o, F, fp, m, NoImm>;
+// FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP'
-class FPI16m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem16>;
-class FPI32m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem32>;
-class FPI64m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem64>;
-class FPI80m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem80>;
+// 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<"FMOV", 0, Pseudo, SpecialFP>; // f1 = fmov f2
-def FpADD : FPI<"FADD", 0, Pseudo, TwoArgFP>; // f1 = fadd f2, f3
-def FpSUB : FPI<"FSUB", 0, Pseudo, TwoArgFP>; // f1 = fsub f2, f3
-def FpMUL : FPI<"FMUL", 0, Pseudo, TwoArgFP>; // f1 = fmul f2, f3
-def FpDIV : FPI<"FDIV", 0, Pseudo, TwoArgFP>; // f1 = fdiv f2, f3
-
-def FpGETRESULT : FPI<"FGETRESULT",0, Pseudo, SpecialFP>; // FPR = ST(0)
-def FpSETRESULT : FPI<"FSETRESULT",0, Pseudo, SpecialFP>; // ST(0) = FPR
-
-// FADD reg, mem: Before stackification, these are represented by: R1 = FADD* R2, [mem]
-def FADD32m : FPI32m<"fadd", 0xD8, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32real]
-def FADD64m : FPI64m<"fadd", 0xDC, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem64real]
-def FIADD16m : FPI16m<"fiadd", 0xDE, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem16int]
-def FIADD32m : FPI32m<"fiadd", 0xDA, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32int]
-
-// FMUL reg, mem: Before stackification, these are represented by: R1 = FMUL* R2, [mem]
-def FMUL32m : FPI32m<"fmul", 0xD8, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32real]
-def FMUL64m : FPI64m<"fmul", 0xDC, MRM1m, OneArgFPRW>; // 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 : FPI32m<"fsub", 0xD8, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32real]
-def FSUB64m : FPI64m<"fsub", 0xDC, MRM4m, OneArgFPRW>; // 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 : FPI32m<"fsubr", 0xD8, MRM5m, OneArgFPRW>; // ST(0) = [mem32real] - ST(0)
-def FSUBR64m : FPI64m<"fsubr", 0xDC, MRM5m, OneArgFPRW>; // 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 : FPI32m<"fdiv", 0xD8, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32real]
-def FDIV64m : FPI64m<"fdiv", 0xDC, MRM6m, OneArgFPRW>; // 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 : FPI32m<"fdivr", 0xD8, MRM7m, OneArgFPRW>; // ST(0) = [mem32real] / ST(0)
-def FDIVR64m : FPI64m<"fdivr", 0xDC, MRM7m, OneArgFPRW>; // 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)
+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} $src">;
+// ST(0) = [mem16int] / ST(0)
+//def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>;
+// ST(0) = [mem32int] / ST(0)
+//def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>;
// Floating point cmovs...
-let isTwoAddress = 1, Uses = [ST0], Defs = [ST0], printImplicitUsesBefore = 1 in {
- def FCMOVB : FPI <"fcmovb" , 0xC0, AddRegFrm, CondMovFP>, DA; // fcmovb ST(i) -> ST(0)
- def FCMOVBE : FPI <"fcmovbe", 0xD0, AddRegFrm, CondMovFP>, DA; // fcmovbe ST(i) -> ST(0)
- def FCMOVE : FPI <"fcmove" , 0xC8, AddRegFrm, CondMovFP>, DA; // fcmove ST(i) -> ST(0)
- def FCMOVAE : FPI <"fcmovae", 0xC0, AddRegFrm, CondMovFP>, DB; // fcmovae ST(i) -> ST(0)
- def FCMOVA : FPI <"fcmova" , 0xD0, AddRegFrm, CondMovFP>, DB; // fcmova ST(i) -> ST(0)
- def FCMOVNE : FPI <"fcmovne", 0xC8, AddRegFrm, CondMovFP>, DB; // fcmovne ST(i) -> ST(0)
+let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
+ def FCMOVB : FPI<0xC0, AddRegFrm, CondMovFP,
+ (ops RST:$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), $op}">, DB;
}
// Floating point loads & stores...
-def FLDrr : FPI <"fld" , 0xC0, AddRegFrm, NotFP>, D9; // push(ST(i))
-def FLD32m : FPI32m <"fld" , 0xD9, MRM0m , ZeroArgFP>; // load float
-def FLD64m : FPI64m <"fld" , 0xDD, MRM0m , ZeroArgFP>; // load double
-def FLD80m : FPI80m <"fld" , 0xDB, MRM5m , ZeroArgFP>; // load extended
-def FILD16m : FPI16m <"fild" , 0xDF, MRM0m , ZeroArgFP>; // load signed short
-def FILD32m : FPI32m <"fild" , 0xDB, MRM0m , ZeroArgFP>; // load signed int
-def FILD64m : FPI64m <"fild" , 0xDF, MRM5m , ZeroArgFP>; // load signed long
-
-def FSTrr : FPI <"fst" , 0xD0, AddRegFrm, NotFP >, DD; // ST(i) = ST(0)
-def FSTPrr : FPI <"fstp", 0xD8, AddRegFrm, NotFP >, DD; // ST(i) = ST(0), pop
-def FST32m : FPI32m <"fst" , 0xD9, MRM2m , OneArgFP>; // store float
-def FST64m : FPI64m <"fst" , 0xDD, MRM2m , OneArgFP>; // store double
-def FSTP32m : FPI32m <"fstp", 0xD9, MRM3m , OneArgFP>; // store float, pop
-def FSTP64m : FPI64m <"fstp", 0xDD, MRM3m , OneArgFP>; // store double, pop
-def FSTP80m : FPI80m <"fstp", 0xDB, MRM7m , OneArgFP>; // store extended, pop
-
-def FIST16m : FPI16m <"fist", 0xDF, MRM2m , OneArgFP>; // store signed short
-def FIST32m : FPI32m <"fist", 0xDB, MRM2m , OneArgFP>; // store signed int
-def FISTP16m : FPI16m <"fistp", 0xDF, MRM3m , NotFP >; // store signed short, pop
-def FISTP32m : FPI32m <"fistp", 0xDB, MRM3m , NotFP >; // store signed int, pop
-def FISTP64m : FPI64m <"fistpll", 0xDF, MRM7m , OneArgFP>; // store signed long, pop
-
-def FXCH : FPI <"fxch", 0xC8, AddRegFrm, NotFP>, D9; // fxch ST(i), ST(0)
+// FIXME: these are all marked variable_ops because they have an implicit
+// destination. Instructions like FILD* that are generated by the instruction
+// selector (not the fp stackifier) need more accurate operand accounting.
+def FLDrr : FPI<0xC0, AddRegFrm, NotFP,
+ (ops RST:$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<"fldz", 0xEE, RawFrm, ZeroArgFP>, D9,
- II<(ops), "fldz">;
-def FLD1 : FPI<"fld1", 0xE8, RawFrm, ZeroArgFP>, D9,
- II<(ops), "fld1">;
+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<"fchs", 0xE0, RawFrm, OneArgFPRW>, D9, // f1 = fchs f2
- II<(ops), "fchs">;
-def FTST : FPI<"ftst", 0xE4, RawFrm, OneArgFP>, D9, // ftst ST(0)
- II<(ops), "ftst">;
+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<string n, bits<8> o> : I<n, o, AddRegFrm>, D8 {
+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<string n, bits<8> o> : I<n, o, AddRegFrm>, DC {
- bit printImplicitUsesAfter = 1;
+class FPrST0Inst<bits<8> o, dag ops, string asm>
+ : I<o, AddRegFrm, ops, asm, []>, DC {
list<Register> Uses = [ST0];
}
-class FPrST0PInst<string n, bits<8> o> : I<n, o, AddRegFrm>, DE {
+class FPrST0PInst<bits<8> o, dag ops, string asm>
+ : I<o, AddRegFrm, ops, asm, []>, DE {
list<Register> Uses = [ST0];
}
-def FADDST0r : FPST0rInst <"fadd", 0xC0>;
-def FADDrST0 : FPrST0Inst <"fadd", 0xC0>;
-def FADDPrST0 : FPrST0PInst<"faddp", 0xC0>;
-
-def FSUBRST0r : FPST0rInst <"fsubr", 0xE8>;
-def FSUBrST0 : FPrST0Inst <"fsub", 0xE8>;
-def FSUBPrST0 : FPrST0PInst<"fsubp", 0xE8>;
-
-def FSUBST0r : FPST0rInst <"fsub", 0xE0>;
-def FSUBRrST0 : FPrST0Inst <"fsubr", 0xE0>;
-def FSUBRPrST0 : FPrST0PInst<"fsubrp", 0xE0>;
-
-def FMULST0r : FPST0rInst <"fmul", 0xC8>;
-def FMULrST0 : FPrST0Inst <"fmul", 0xC8>;
-def FMULPrST0 : FPrST0PInst<"fmulp", 0xC8>;
-
-def FDIVRST0r : FPST0rInst <"fdivr", 0xF8>;
-def FDIVrST0 : FPrST0Inst <"fdiv", 0xF8>;
-def FDIVPrST0 : FPrST0PInst<"fdivp", 0xF8>;
-
-def FDIVST0r : FPST0rInst <"fdiv", 0xF0>; // ST(0) = ST(0) / ST(i)
-def FDIVRrST0 : FPrST0Inst <"fdivr", 0xF0>; // ST(i) = ST(0) / ST(i)
-def FDIVRPrST0 : FPrST0PInst<"fdivrp", 0xF0>; // ST(i) = ST(0) / ST(i), pop
+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 $op">;
// Floating point compares
-def FUCOMr : FPI<"fucom", 0xE0, AddRegFrm, CompareFP>, DD, Imp<[ST0],[]>; // FPSW = compare ST(0) with ST(i)
-def FUCOMPr : I<"fucomp" , 0xE8, AddRegFrm>, DD, Imp<[ST0],[]>; // FPSW = compare ST(0) with ST(i), pop
-def FUCOMPPr : I<"fucompp", 0xE9, RawFrm >, DA, Imp<[ST0],[]>, // compare ST(0) with ST(1), pop, pop
- II<(ops), "fucompp">;
-
+def FUCOMr : FPI<0xE0, AddRegFrm, CompareFP, // FPSW = cmp ST(0) with ST(i)
+ (ops RST:$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), $reg}", []>, DF, Imp<[ST0],[]>;
-let printImplicitUsesBefore = 1 in {
- def FUCOMIr : FPI<"fucomi", 0xE8, AddRegFrm, CompareFP>, DB, Imp<[ST0],[]>; // CC = compare ST(0) with ST(i)
- def FUCOMIPr : I<"fucomip", 0xE8, AddRegFrm>, DF, Imp<[ST0],[]>; // CC = compare ST(0) with ST(i), pop
-}
// Floating point flag ops
-def FNSTSW8r : I <"fnstsw" , 0xE0, RawFrm>, DF, Imp<[],[AX]>, // AX = fp flags
- II<(ops), "fnstsw">;
+def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
+ (ops), "fnstsw", []>, DF, Imp<[],[AX]>;
-def FNSTCW16m : Im16<"fnstcw" , 0xD9, MRM7m >; // [mem16] = X87 control world
-def FLDCW16m : Im16<"fldcw" , 0xD9, MRM5m >; // X87 control world = [mem16]
+def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
+ (ops i16mem:$dst), "fnstcw $dst", []>;
+def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
+ (ops i16mem:$dst), "fldcw $dst", []>;