1 //===- X86InstrInfo.td - Describe the X86 Instruction Set -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTX86CmpTest : SDTypeProfile<1, 2, [SDTCisVT<0, FlagVT>, SDTCisInt<1>,
23 def SDTX86Cmov : SDTypeProfile<1, 4,
24 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
25 SDTCisVT<3, OtherVT>, SDTCisVT<4, FlagVT>]>;
27 def SDTX86BrCond : SDTypeProfile<0, 3,
28 [SDTCisVT<0, OtherVT>,
29 SDTCisVT<1, OtherVT>, SDTCisVT<2, FlagVT>]>;
31 def SDTX86SetCC : SDTypeProfile<1, 2,
32 [SDTCisVT<0, i8>, SDTCisVT<1, OtherVT>,
33 SDTCisVT<2, FlagVT>]>;
35 def SDTX86RetFlag : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
37 def SDTX86Fld : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
38 SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>]>;
39 def SDTX86Fst : SDTypeProfile<0, 3, [SDTCisFP<0>,
40 SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>]>;
43 def SDTX86FpGet : SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>;
44 def SDTX86FpSet : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
46 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest, []>;
47 def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest, []>;
49 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov, []>;
50 def X86Brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond, [SDNPHasChain]>;
51 def X86SetCC : SDNode<"X86ISD::SETCC", SDTX86SetCC, []>;
53 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86RetFlag, [SDNPHasChain]>;
55 def X86fld : SDNode<"X86ISD::FLD", SDTX86Fld, [SDNPHasChain]>;
56 def X86fst : SDNode<"X86ISD::FST", SDTX86Fst, [SDNPHasChain]>;
58 def X86fpget : SDNode<"X86ISD::FP_GET_RESULT",
59 SDTX86FpGet, [SDNPHasChain]>;
60 def X86fpset : SDNode<"X86ISD::FP_SET_RESULT",
61 SDTX86FpSet, [SDNPHasChain]>;
63 def SDT_X86CallSeqStart : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
64 def SDT_X86CallSeqEnd : SDTypeProfile<0, 2, [ SDTCisVT<0, i32>,
66 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
68 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
71 def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
72 def call : SDNode<"X86ISD::CALL", SDT_X86Call, [SDNPHasChain]>;
74 //===----------------------------------------------------------------------===//
75 // X86 Operand Definitions.
78 // *mem - Operand definitions for the funky X86 addressing mode operands.
80 class X86MemOperand<string printMethod> : Operand<i32> {
81 let PrintMethod = printMethod;
82 let NumMIOperands = 4;
83 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
86 def i8mem : X86MemOperand<"printi8mem">;
87 def i16mem : X86MemOperand<"printi16mem">;
88 def i32mem : X86MemOperand<"printi32mem">;
89 def i64mem : X86MemOperand<"printi64mem">;
90 def f32mem : X86MemOperand<"printf32mem">;
91 def f64mem : X86MemOperand<"printf64mem">;
92 def f80mem : X86MemOperand<"printf80mem">;
94 def SSECC : Operand<i8> {
95 let PrintMethod = "printSSECC";
98 // A couple of more descriptive operand definitions.
99 // 16-bits but only 8 bits are significant.
100 def i16i8imm : Operand<i16>;
101 // 32-bits but only 8 bits are significant.
102 def i32i8imm : Operand<i32>;
104 // PCRelative calls need special operand formatting.
105 let PrintMethod = "printCallOperand" in
106 def calltarget : Operand<i32>;
108 // Branch targets have OtherVT type.
109 def brtarget : Operand<OtherVT>;
111 //===----------------------------------------------------------------------===//
112 // X86 Complex Pattern Definitions.
115 // Define X86 specific addressing mode.
116 def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
117 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
118 [add, frameindex, constpool,
119 globaladdr, tglobaladdr, externalsym]>;
121 //===----------------------------------------------------------------------===//
122 // X86 Instruction Format Definitions.
125 // Format specifies the encoding used by the instruction. This is part of the
126 // ad-hoc solution used to emit machine instruction encodings by our machine
128 class Format<bits<5> val> {
132 def Pseudo : Format<0>; def RawFrm : Format<1>;
133 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
134 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
135 def MRMSrcMem : Format<6>;
136 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
137 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
138 def MRM6r : Format<22>; def MRM7r : Format<23>;
139 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
140 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
141 def MRM6m : Format<30>; def MRM7m : Format<31>;
143 //===----------------------------------------------------------------------===//
144 // X86 Instruction Predicate Definitions.
145 def HasSSE1 : Predicate<"X86Vector >= SSE">;
146 def HasSSE2 : Predicate<"X86Vector >= SSE2">;
147 def HasSSE3 : Predicate<"X86Vector >= SSE3">;
148 def FPStack : Predicate<"X86Vector < SSE2">;
150 //===----------------------------------------------------------------------===//
151 // X86 specific pattern fragments.
154 // ImmType - This specifies the immediate type used by an instruction. This is
155 // part of the ad-hoc solution used to emit machine instruction encodings by our
156 // machine code emitter.
157 class ImmType<bits<2> val> {
160 def NoImm : ImmType<0>;
161 def Imm8 : ImmType<1>;
162 def Imm16 : ImmType<2>;
163 def Imm32 : ImmType<3>;
165 // FPFormat - This specifies what form this FP instruction has. This is used by
166 // the Floating-Point stackifier pass.
167 class FPFormat<bits<3> val> {
170 def NotFP : FPFormat<0>;
171 def ZeroArgFP : FPFormat<1>;
172 def OneArgFP : FPFormat<2>;
173 def OneArgFPRW : FPFormat<3>;
174 def TwoArgFP : FPFormat<4>;
175 def CompareFP : FPFormat<5>;
176 def CondMovFP : FPFormat<6>;
177 def SpecialFP : FPFormat<7>;
180 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
182 let Namespace = "X86";
184 bits<8> Opcode = opcod;
186 bits<5> FormBits = Form.Value;
188 bits<2> ImmTypeBits = ImmT.Value;
190 dag OperandList = ops;
191 string AsmString = AsmStr;
194 // Attributes specific to X86 instructions...
196 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
198 bits<4> Prefix = 0; // Which prefix byte does this inst have?
199 FPFormat FPForm; // What flavor of FP instruction is this?
200 bits<3> FPFormBits = 0;
203 class Imp<list<Register> uses, list<Register> defs> {
204 list<Register> Uses = uses;
205 list<Register> Defs = defs;
209 // Prefix byte classes which are used to indicate to the ad-hoc machine code
210 // emitter that various prefix bytes are required.
211 class OpSize { bit hasOpSizePrefix = 1; }
212 class TB { bits<4> Prefix = 1; }
213 class REP { bits<4> Prefix = 2; }
214 class D8 { bits<4> Prefix = 3; }
215 class D9 { bits<4> Prefix = 4; }
216 class DA { bits<4> Prefix = 5; }
217 class DB { bits<4> Prefix = 6; }
218 class DC { bits<4> Prefix = 7; }
219 class DD { bits<4> Prefix = 8; }
220 class DE { bits<4> Prefix = 9; }
221 class DF { bits<4> Prefix = 10; }
222 class XD { bits<4> Prefix = 11; }
223 class XS { bits<4> Prefix = 12; }
226 //===----------------------------------------------------------------------===//
227 // Pattern fragments...
229 def i16immSExt8 : PatLeaf<(i16 imm), [{
230 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
231 // sign extended field.
232 return (int)N->getValue() == (signed char)N->getValue();
235 def i32immSExt8 : PatLeaf<(i32 imm), [{
236 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
237 // sign extended field.
238 return (int)N->getValue() == (signed char)N->getValue();
241 def i16immZExt8 : PatLeaf<(i16 imm), [{
242 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
244 return (unsigned)N->getValue() == (unsigned char)N->getValue();
247 def fp32imm0 : PatLeaf<(f32 fpimm), [{
248 return N->isExactlyValue(+0.0);
251 def fp64imm0 : PatLeaf<(f64 fpimm), [{
252 return N->isExactlyValue(+0.0);
255 def fp64immneg0 : PatLeaf<(f64 fpimm), [{
256 return N->isExactlyValue(-0.0);
259 def fp64imm1 : PatLeaf<(f64 fpimm), [{
260 return N->isExactlyValue(+1.0);
263 def fp64immneg1 : PatLeaf<(f64 fpimm), [{
264 return N->isExactlyValue(-1.0);
267 // Helper fragments for loads.
268 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
269 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
270 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
271 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
272 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
274 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
275 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
276 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
277 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
278 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
280 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
281 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
282 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
283 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
284 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
286 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
287 def extloadf64f32 : PatFrag<(ops node:$ptr), (f64 (extload node:$ptr, f32))>;
289 //===----------------------------------------------------------------------===//
290 // Instruction templates...
292 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
293 : X86Inst<o, f, NoImm, ops, asm> {
294 let Pattern = pattern;
296 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
297 : X86Inst<o, f, Imm8 , ops, asm> {
298 let Pattern = pattern;
300 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
301 : X86Inst<o, f, Imm16, ops, asm> {
302 let Pattern = pattern;
304 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
305 : X86Inst<o, f, Imm32, ops, asm> {
306 let Pattern = pattern;
309 //===----------------------------------------------------------------------===//
310 // Instruction list...
313 def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE", []>; // PHI node.
314 def NOOP : I<0x90, RawFrm, (ops), "nop", []>; // nop
316 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
317 [(callseq_start imm:$amt)]>;
318 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
320 [(callseq_end imm:$amt1, imm:$amt2)]>;
321 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
322 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
323 let isTerminator = 1 in
324 let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
325 def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL", []>;
327 //===----------------------------------------------------------------------===//
328 // Control Flow Instructions...
331 // Return instructions.
332 let isTerminator = 1, isReturn = 1, isBarrier = 1,
333 hasCtrlDep = 1, noResults = 1 in {
334 // FIXME: temporary workaround for return without an incoming flag.
335 def RETVOID : I<0xC3, RawFrm, (ops), "ret", [(ret)]>;
336 let hasInFlag = 1 in {
337 def RET : I<0xC3, RawFrm, (ops), "ret",
339 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
340 [(X86retflag imm:$amt)]>;
344 // All branches are RawFrm, Void, Branch, and Terminators
345 let isBranch = 1, isTerminator = 1, noResults = 1 in
346 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
347 I<opcode, RawFrm, ops, asm, pattern>;
350 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
352 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
353 [(X86Brcond bb:$dst, SETEQ, STATUS)]>, Imp<[STATUS],[]>, TB;
354 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
355 [(X86Brcond bb:$dst, SETNE, STATUS)]>, Imp<[STATUS],[]>, TB;
356 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
357 [(X86Brcond bb:$dst, SETLT, STATUS)]>, Imp<[STATUS],[]>, TB;
358 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
359 [(X86Brcond bb:$dst, SETLE, STATUS)]>, Imp<[STATUS],[]>, TB;
360 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
361 [(X86Brcond bb:$dst, SETGT, STATUS)]>, Imp<[STATUS],[]>, TB;
362 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
363 [(X86Brcond bb:$dst, SETGE, STATUS)]>, Imp<[STATUS],[]>, TB;
365 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
366 [(X86Brcond bb:$dst, SETULT, STATUS)]>, Imp<[STATUS],[]>, TB;
367 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
368 [(X86Brcond bb:$dst, SETULE, STATUS)]>, Imp<[STATUS],[]>, TB;
369 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
370 [(X86Brcond bb:$dst, SETUGT, STATUS)]>, Imp<[STATUS],[]>, TB;
371 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
372 [(X86Brcond bb:$dst, SETUGE, STATUS)]>, Imp<[STATUS],[]>, TB;
374 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst", []>, TB;
375 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst", []>, TB;
376 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst", []>, TB;
377 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst", []>, TB;
379 //===----------------------------------------------------------------------===//
380 // Call Instructions...
382 // FIXME: How about hasInFlag = 1? A fastcall would require an incoming flag
383 // to stick the CopyToRegs to the call.
384 let isCall = 1, noResults = 1, hasOutFlag = 1 in
385 // All calls clobber the non-callee saved registers...
386 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
387 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
388 def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst",
390 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
392 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
396 def : Pat<(call tglobaladdr:$dst),
397 (CALLpcrel32 tglobaladdr:$dst)>;
398 def : Pat<(call externalsym:$dst),
399 (CALLpcrel32 externalsym:$dst)>;
402 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
403 def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL", []>;
404 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
405 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
406 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
407 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
408 "jmp {*}$dst # TAIL CALL", []>;
410 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
411 // way, except that it is marked as being a terminator. This causes the epilog
412 // inserter to insert reloads of callee saved registers BEFORE this. We need
413 // this until we have a more accurate way of tracking where the stack pointer is
414 // within a function.
415 let isTerminator = 1, isTwoAddress = 1 in
416 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
417 "add{l} {$src2, $dst|$dst, $src2}", []>;
419 //===----------------------------------------------------------------------===//
420 // Miscellaneous Instructions...
422 def LEAVE : I<0xC9, RawFrm,
423 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
424 def POP32r : I<0x58, AddRegFrm,
425 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
427 let isTwoAddress = 1 in // R32 = bswap R32
428 def BSWAP32r : I<0xC8, AddRegFrm,
429 (ops R32:$dst, R32:$src), "bswap{l} $dst", []>, TB;
431 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
432 (ops R8:$src1, R8:$src2),
433 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
434 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
435 (ops R16:$src1, R16:$src2),
436 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
437 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
438 (ops R32:$src1, R32:$src2),
439 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
441 def XCHG8mr : I<0x86, MRMDestMem,
442 (ops i8mem:$src1, R8:$src2),
443 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
444 def XCHG16mr : I<0x87, MRMDestMem,
445 (ops i16mem:$src1, R16:$src2),
446 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
447 def XCHG32mr : I<0x87, MRMDestMem,
448 (ops i32mem:$src1, R32:$src2),
449 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
450 def XCHG8rm : I<0x86, MRMSrcMem,
451 (ops R8:$src1, i8mem:$src2),
452 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
453 def XCHG16rm : I<0x87, MRMSrcMem,
454 (ops R16:$src1, i16mem:$src2),
455 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
456 def XCHG32rm : I<0x87, MRMSrcMem,
457 (ops R32:$src1, i32mem:$src2),
458 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
460 def LEA16r : I<0x8D, MRMSrcMem,
461 (ops R16:$dst, i32mem:$src),
462 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
463 def LEA32r : I<0x8D, MRMSrcMem,
464 (ops R32:$dst, i32mem:$src),
465 "lea{l} {$src|$dst}, {$dst|$src}",
466 [(set R32:$dst, leaaddr:$src)]>;
468 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}", []>,
469 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
470 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}", []>,
471 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
472 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}", []>,
473 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
475 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}", []>,
476 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
477 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}", []>,
478 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
479 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}", []>,
480 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
483 //===----------------------------------------------------------------------===//
484 // Input/Output Instructions...
486 def IN8rr : I<0xEC, RawFrm, (ops),
487 "in{b} {%dx, %al|%AL, %DX}",
488 [(set AL, (readport DX))]>, Imp<[DX], [AL]>;
489 def IN16rr : I<0xED, RawFrm, (ops),
490 "in{w} {%dx, %ax|%AX, %DX}",
491 [(set AX, (readport DX))]>, Imp<[DX], [AX]>, OpSize;
492 def IN32rr : I<0xED, RawFrm, (ops),
493 "in{l} {%dx, %eax|%EAX, %DX}",
494 [(set EAX, (readport DX))]>, Imp<[DX],[EAX]>;
496 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
497 "in{b} {$port, %al|%AL, $port}",
498 [(set AL, (readport i16immZExt8:$port))]>,
500 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
501 "in{w} {$port, %ax|%AX, $port}",
502 [(set AX, (readport i16immZExt8:$port))]>,
503 Imp<[], [AX]>, OpSize;
504 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
505 "in{l} {$port, %eax|%EAX, $port}",
506 [(set EAX, (readport i16immZExt8:$port))]>,
509 def OUT8rr : I<0xEE, RawFrm, (ops),
510 "out{b} {%al, %dx|%DX, %AL}",
511 [(writeport AL, DX)]>, Imp<[DX, AL], []>;
512 def OUT16rr : I<0xEF, RawFrm, (ops),
513 "out{w} {%ax, %dx|%DX, %AX}",
514 [(writeport AX, DX)]>, Imp<[DX, AX], []>, OpSize;
515 def OUT32rr : I<0xEF, RawFrm, (ops),
516 "out{l} {%eax, %dx|%DX, %EAX}",
517 [(writeport EAX, DX)]>, Imp<[DX, EAX], []>;
519 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
520 "out{b} {%al, $port|$port, %AL}",
521 [(writeport AL, i16immZExt8:$port)]>,
523 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
524 "out{w} {%ax, $port|$port, %AX}",
525 [(writeport AX, i16immZExt8:$port)]>,
526 Imp<[AX], []>, OpSize;
527 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
528 "out{l} {%eax, $port|$port, %EAX}",
529 [(writeport EAX, i16immZExt8:$port)]>,
532 //===----------------------------------------------------------------------===//
533 // Move Instructions...
535 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
536 "mov{b} {$src, $dst|$dst, $src}", []>;
537 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
538 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
539 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
540 "mov{l} {$src, $dst|$dst, $src}", []>;
541 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
542 "mov{b} {$src, $dst|$dst, $src}",
543 [(set R8:$dst, imm:$src)]>;
544 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
545 "mov{w} {$src, $dst|$dst, $src}",
546 [(set R16:$dst, imm:$src)]>, OpSize;
547 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
548 "mov{l} {$src, $dst|$dst, $src}",
549 [(set R32:$dst, imm:$src)]>;
550 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
551 "mov{b} {$src, $dst|$dst, $src}",
552 [(store (i8 imm:$src), addr:$dst)]>;
553 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
554 "mov{w} {$src, $dst|$dst, $src}",
555 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
556 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
557 "mov{l} {$src, $dst|$dst, $src}",
558 [(store (i32 imm:$src), addr:$dst)]>;
560 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
561 "mov{b} {$src, $dst|$dst, $src}",
562 [(set R8:$dst, (load addr:$src))]>;
563 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
564 "mov{w} {$src, $dst|$dst, $src}",
565 [(set R16:$dst, (load addr:$src))]>, OpSize;
566 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
567 "mov{l} {$src, $dst|$dst, $src}",
568 [(set R32:$dst, (load addr:$src))]>;
570 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
571 "mov{b} {$src, $dst|$dst, $src}",
572 [(store R8:$src, addr:$dst)]>;
573 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
574 "mov{w} {$src, $dst|$dst, $src}",
575 [(store R16:$src, addr:$dst)]>, OpSize;
576 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
577 "mov{l} {$src, $dst|$dst, $src}",
578 [(store R32:$src, addr:$dst)]>;
580 //===----------------------------------------------------------------------===//
581 // Fixed-Register Multiplication and Division Instructions...
584 // Extra precision multiplication
585 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src", []>,
586 Imp<[AL],[AX]>; // AL,AH = AL*R8
587 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
588 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
589 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
590 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
591 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
592 "mul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
593 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
594 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
595 OpSize; // AX,DX = AX*[mem16]
596 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
597 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
599 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
600 Imp<[AL],[AX]>; // AL,AH = AL*R8
601 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
602 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
603 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
604 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
605 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
606 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
607 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
608 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
609 OpSize; // AX,DX = AX*[mem16]
610 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
612 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
614 // unsigned division/remainder
615 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
616 "div{b} $src", []>, Imp<[AX],[AX]>;
617 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
618 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
619 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
620 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
621 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
622 "div{b} $src", []>, Imp<[AX],[AX]>;
623 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
624 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
625 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
626 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
628 // Signed division/remainder.
629 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
630 "idiv{b} $src", []>, Imp<[AX],[AX]>;
631 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
632 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
633 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
634 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
635 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
636 "idiv{b} $src", []>, Imp<[AX],[AX]>;
637 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
638 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
639 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
640 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
642 // Sign-extenders for division.
643 def CBW : I<0x98, RawFrm, (ops),
644 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
645 def CWD : I<0x99, RawFrm, (ops),
646 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
647 def CDQ : I<0x99, RawFrm, (ops),
648 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
651 //===----------------------------------------------------------------------===//
652 // Two address Instructions...
654 let isTwoAddress = 1 in {
657 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
658 (ops R16:$dst, R16:$src1, R16:$src2),
659 "cmovb {$src2, $dst|$dst, $src2}",
660 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
662 Imp<[STATUS],[]>, TB, OpSize;
663 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
664 (ops R16:$dst, R16:$src1, i16mem:$src2),
665 "cmovb {$src2, $dst|$dst, $src2}",
666 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
668 Imp<[STATUS],[]>, TB, OpSize;
669 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
670 (ops R32:$dst, R32:$src1, R32:$src2),
671 "cmovb {$src2, $dst|$dst, $src2}",
672 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
674 Imp<[STATUS],[]>, TB;
675 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
676 (ops R32:$dst, R32:$src1, i32mem:$src2),
677 "cmovb {$src2, $dst|$dst, $src2}",
678 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
680 Imp<[STATUS],[]>, TB;
682 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
683 (ops R16:$dst, R16:$src1, R16:$src2),
684 "cmovae {$src2, $dst|$dst, $src2}",
685 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
687 Imp<[STATUS],[]>, TB, OpSize;
688 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
689 (ops R16:$dst, R16:$src1, i16mem:$src2),
690 "cmovae {$src2, $dst|$dst, $src2}",
691 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
693 Imp<[STATUS],[]>, TB, OpSize;
694 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
695 (ops R32:$dst, R32:$src1, R32:$src2),
696 "cmovae {$src2, $dst|$dst, $src2}",
697 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
699 Imp<[STATUS],[]>, TB;
700 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
701 (ops R32:$dst, R32:$src1, i32mem:$src2),
702 "cmovae {$src2, $dst|$dst, $src2}",
703 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
705 Imp<[STATUS],[]>, TB;
707 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
708 (ops R16:$dst, R16:$src1, R16:$src2),
709 "cmove {$src2, $dst|$dst, $src2}",
710 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
712 Imp<[STATUS],[]>, TB, OpSize;
713 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
714 (ops R16:$dst, R16:$src1, i16mem:$src2),
715 "cmove {$src2, $dst|$dst, $src2}",
716 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
718 Imp<[STATUS],[]>, TB, OpSize;
719 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
720 (ops R32:$dst, R32:$src1, R32:$src2),
721 "cmove {$src2, $dst|$dst, $src2}",
722 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
724 Imp<[STATUS],[]>, TB;
725 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
726 (ops R32:$dst, R32:$src1, i32mem:$src2),
727 "cmove {$src2, $dst|$dst, $src2}",
728 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
730 Imp<[STATUS],[]>, TB;
732 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
733 (ops R16:$dst, R16:$src1, R16:$src2),
734 "cmovne {$src2, $dst|$dst, $src2}",
735 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
737 Imp<[STATUS],[]>, TB, OpSize;
738 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
739 (ops R16:$dst, R16:$src1, i16mem:$src2),
740 "cmovne {$src2, $dst|$dst, $src2}",
741 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
743 Imp<[STATUS],[]>, TB, OpSize;
744 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
745 (ops R32:$dst, R32:$src1, R32:$src2),
746 "cmovne {$src2, $dst|$dst, $src2}",
747 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
749 Imp<[STATUS],[]>, TB;
750 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
751 (ops R32:$dst, R32:$src1, i32mem:$src2),
752 "cmovne {$src2, $dst|$dst, $src2}",
753 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
755 Imp<[STATUS],[]>, TB;
757 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
758 (ops R16:$dst, R16:$src1, R16:$src2),
759 "cmovbe {$src2, $dst|$dst, $src2}",
760 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
762 Imp<[STATUS],[]>, TB, OpSize;
763 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
764 (ops R16:$dst, R16:$src1, i16mem:$src2),
765 "cmovbe {$src2, $dst|$dst, $src2}",
766 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
768 Imp<[STATUS],[]>, TB, OpSize;
769 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
770 (ops R32:$dst, R32:$src1, R32:$src2),
771 "cmovbe {$src2, $dst|$dst, $src2}",
772 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
774 Imp<[STATUS],[]>, TB;
775 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
776 (ops R32:$dst, R32:$src1, i32mem:$src2),
777 "cmovbe {$src2, $dst|$dst, $src2}",
778 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
780 Imp<[STATUS],[]>, TB;
782 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
783 (ops R16:$dst, R16:$src1, R16:$src2),
784 "cmova {$src2, $dst|$dst, $src2}",
785 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
787 Imp<[STATUS],[]>, TB, OpSize;
788 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
789 (ops R16:$dst, R16:$src1, i16mem:$src2),
790 "cmova {$src2, $dst|$dst, $src2}",
791 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
793 Imp<[STATUS],[]>, TB, OpSize;
794 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
795 (ops R32:$dst, R32:$src1, R32:$src2),
796 "cmova {$src2, $dst|$dst, $src2}",
797 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
799 Imp<[STATUS],[]>, TB;
800 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
801 (ops R32:$dst, R32:$src1, i32mem:$src2),
802 "cmova {$src2, $dst|$dst, $src2}",
803 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
805 Imp<[STATUS],[]>, TB;
807 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
808 (ops R16:$dst, R16:$src1, R16:$src2),
809 "cmovl {$src2, $dst|$dst, $src2}",
810 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
812 Imp<[STATUS],[]>, TB, OpSize;
813 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
814 (ops R16:$dst, R16:$src1, i16mem:$src2),
815 "cmovl {$src2, $dst|$dst, $src2}",
816 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
818 Imp<[STATUS],[]>, TB, OpSize;
819 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
820 (ops R32:$dst, R32:$src1, R32:$src2),
821 "cmovl {$src2, $dst|$dst, $src2}",
822 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
824 Imp<[STATUS],[]>, TB;
825 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
826 (ops R32:$dst, R32:$src1, i32mem:$src2),
827 "cmovl {$src2, $dst|$dst, $src2}",
828 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
830 Imp<[STATUS],[]>, TB;
832 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
833 (ops R16:$dst, R16:$src1, R16:$src2),
834 "cmovge {$src2, $dst|$dst, $src2}",
835 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
837 Imp<[STATUS],[]>, TB, OpSize;
838 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
839 (ops R16:$dst, R16:$src1, i16mem:$src2),
840 "cmovge {$src2, $dst|$dst, $src2}",
841 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
843 Imp<[STATUS],[]>, TB, OpSize;
844 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
845 (ops R32:$dst, R32:$src1, R32:$src2),
846 "cmovge {$src2, $dst|$dst, $src2}",
847 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
849 Imp<[STATUS],[]>, TB;
850 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
851 (ops R32:$dst, R32:$src1, i32mem:$src2),
852 "cmovge {$src2, $dst|$dst, $src2}",
853 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
855 Imp<[STATUS],[]>, TB;
857 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
858 (ops R16:$dst, R16:$src1, R16:$src2),
859 "cmovle {$src2, $dst|$dst, $src2}",
860 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
862 Imp<[STATUS],[]>, TB, OpSize;
863 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
864 (ops R16:$dst, R16:$src1, i16mem:$src2),
865 "cmovle {$src2, $dst|$dst, $src2}",
866 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
868 Imp<[STATUS],[]>, TB, OpSize;
869 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
870 (ops R32:$dst, R32:$src1, R32:$src2),
871 "cmovle {$src2, $dst|$dst, $src2}",
872 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
874 Imp<[STATUS],[]>, TB;
875 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
876 (ops R32:$dst, R32:$src1, i32mem:$src2),
877 "cmovle {$src2, $dst|$dst, $src2}",
878 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
880 Imp<[STATUS],[]>, TB;
882 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
883 (ops R16:$dst, R16:$src1, R16:$src2),
884 "cmovg {$src2, $dst|$dst, $src2}",
885 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
887 Imp<[STATUS],[]>, TB, OpSize;
888 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
889 (ops R16:$dst, R16:$src1, i16mem:$src2),
890 "cmovg {$src2, $dst|$dst, $src2}",
891 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
893 Imp<[STATUS],[]>, TB, OpSize;
894 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
895 (ops R32:$dst, R32:$src1, R32:$src2),
896 "cmovg {$src2, $dst|$dst, $src2}",
897 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
899 Imp<[STATUS],[]>, TB;
900 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
901 (ops R32:$dst, R32:$src1, i32mem:$src2),
902 "cmovg {$src2, $dst|$dst, $src2}",
903 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
905 Imp<[STATUS],[]>, TB;
907 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
908 (ops R16:$dst, R16:$src1, R16:$src2),
909 "cmovs {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
910 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
911 (ops R16:$dst, R16:$src1, i16mem:$src2),
912 "cmovs {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
913 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
914 (ops R32:$dst, R32:$src1, R32:$src2),
915 "cmovs {$src2, $dst|$dst, $src2}", []>, TB;
916 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
917 (ops R32:$dst, R32:$src1, i32mem:$src2),
918 "cmovs {$src2, $dst|$dst, $src2}", []>, TB;
920 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
921 (ops R16:$dst, R16:$src1, R16:$src2),
922 "cmovns {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
923 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
924 (ops R16:$dst, R16:$src1, i16mem:$src2),
925 "cmovns {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
926 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
927 (ops R32:$dst, R32:$src1, R32:$src2),
928 "cmovns {$src2, $dst|$dst, $src2}", []>, TB;
929 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
930 (ops R32:$dst, R32:$src1, i32mem:$src2),
931 "cmovns {$src2, $dst|$dst, $src2}", []>, TB;
933 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
934 (ops R16:$dst, R16:$src1, R16:$src2),
935 "cmovp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
936 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
937 (ops R16:$dst, R16:$src1, i16mem:$src2),
938 "cmovp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
939 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
940 (ops R32:$dst, R32:$src1, R32:$src2),
941 "cmovp {$src2, $dst|$dst, $src2}", []>, TB;
942 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
943 (ops R32:$dst, R32:$src1, i32mem:$src2),
944 "cmovp {$src2, $dst|$dst, $src2}", []>, TB;
946 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
947 (ops R16:$dst, R16:$src1, R16:$src2),
948 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
949 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
950 (ops R16:$dst, R16:$src1, i16mem:$src2),
951 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
952 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
953 (ops R32:$dst, R32:$src1, R32:$src2),
954 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB;
955 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
956 (ops R32:$dst, R32:$src1, i32mem:$src2),
957 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB;
960 // unary instructions
961 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
962 [(set R8:$dst, (ineg R8:$src))]>;
963 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
964 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
965 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
966 [(set R32:$dst, (ineg R32:$src))]>;
967 let isTwoAddress = 0 in {
968 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
969 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
970 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
971 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
972 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
973 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
977 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
978 [(set R8:$dst, (not R8:$src))]>;
979 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
980 [(set R16:$dst, (not R16:$src))]>, OpSize;
981 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
982 [(set R32:$dst, (not R32:$src))]>;
983 let isTwoAddress = 0 in {
984 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
985 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
986 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
987 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
988 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
989 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
992 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
993 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
994 [(set R8:$dst, (add R8:$src, 1))]>;
995 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
996 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
997 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
998 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
999 [(set R32:$dst, (add R32:$src, 1))]>;
1001 let isTwoAddress = 0 in {
1002 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1003 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1004 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1005 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1006 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1007 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1010 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
1011 [(set R8:$dst, (add R8:$src, -1))]>;
1012 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1013 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
1014 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
1015 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
1016 [(set R32:$dst, (add R32:$src, -1))]>;
1019 let isTwoAddress = 0 in {
1020 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1021 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1022 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1023 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1024 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1025 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1028 // Logical operators...
1029 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1030 def AND8rr : I<0x20, MRMDestReg,
1031 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1032 "and{b} {$src2, $dst|$dst, $src2}",
1033 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
1034 def AND16rr : I<0x21, MRMDestReg,
1035 (ops R16:$dst, R16:$src1, R16:$src2),
1036 "and{w} {$src2, $dst|$dst, $src2}",
1037 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
1038 def AND32rr : I<0x21, MRMDestReg,
1039 (ops R32:$dst, R32:$src1, R32:$src2),
1040 "and{l} {$src2, $dst|$dst, $src2}",
1041 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
1044 def AND8rm : I<0x22, MRMSrcMem,
1045 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1046 "and{b} {$src2, $dst|$dst, $src2}",
1047 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
1048 def AND16rm : I<0x23, MRMSrcMem,
1049 (ops R16:$dst, R16:$src1, i16mem:$src2),
1050 "and{w} {$src2, $dst|$dst, $src2}",
1051 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
1052 def AND32rm : I<0x23, MRMSrcMem,
1053 (ops R32:$dst, R32:$src1, i32mem:$src2),
1054 "and{l} {$src2, $dst|$dst, $src2}",
1055 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
1057 def AND8ri : Ii8<0x80, MRM4r,
1058 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
1059 "and{b} {$src2, $dst|$dst, $src2}",
1060 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
1061 def AND16ri : Ii16<0x81, MRM4r,
1062 (ops R16:$dst, R16:$src1, i16imm:$src2),
1063 "and{w} {$src2, $dst|$dst, $src2}",
1064 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
1065 def AND32ri : Ii32<0x81, MRM4r,
1066 (ops R32:$dst, R32:$src1, i32imm:$src2),
1067 "and{l} {$src2, $dst|$dst, $src2}",
1068 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
1069 def AND16ri8 : Ii8<0x83, MRM4r,
1070 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1071 "and{w} {$src2, $dst|$dst, $src2}",
1072 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
1074 def AND32ri8 : Ii8<0x83, MRM4r,
1075 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1076 "and{l} {$src2, $dst|$dst, $src2}",
1077 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
1079 let isTwoAddress = 0 in {
1080 def AND8mr : I<0x20, MRMDestMem,
1081 (ops i8mem :$dst, R8 :$src),
1082 "and{b} {$src, $dst|$dst, $src}",
1083 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
1084 def AND16mr : I<0x21, MRMDestMem,
1085 (ops i16mem:$dst, R16:$src),
1086 "and{w} {$src, $dst|$dst, $src}",
1087 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
1089 def AND32mr : I<0x21, MRMDestMem,
1090 (ops i32mem:$dst, R32:$src),
1091 "and{l} {$src, $dst|$dst, $src}",
1092 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
1093 def AND8mi : Ii8<0x80, MRM4m,
1094 (ops i8mem :$dst, i8imm :$src),
1095 "and{b} {$src, $dst|$dst, $src}",
1096 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1097 def AND16mi : Ii16<0x81, MRM4m,
1098 (ops i16mem:$dst, i16imm:$src),
1099 "and{w} {$src, $dst|$dst, $src}",
1100 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1102 def AND32mi : Ii32<0x81, MRM4m,
1103 (ops i32mem:$dst, i32imm:$src),
1104 "and{l} {$src, $dst|$dst, $src}",
1105 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1106 def AND16mi8 : Ii8<0x83, MRM4m,
1107 (ops i16mem:$dst, i16i8imm :$src),
1108 "and{w} {$src, $dst|$dst, $src}",
1109 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1111 def AND32mi8 : Ii8<0x83, MRM4m,
1112 (ops i32mem:$dst, i32i8imm :$src),
1113 "and{l} {$src, $dst|$dst, $src}",
1114 [(store (add (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1118 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1119 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1120 "or{b} {$src2, $dst|$dst, $src2}",
1121 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
1122 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1123 "or{w} {$src2, $dst|$dst, $src2}",
1124 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
1125 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1126 "or{l} {$src2, $dst|$dst, $src2}",
1127 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
1129 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1130 "or{b} {$src2, $dst|$dst, $src2}",
1131 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
1132 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
1133 "or{w} {$src2, $dst|$dst, $src2}",
1134 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
1135 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1136 "or{l} {$src2, $dst|$dst, $src2}",
1137 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
1139 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1140 "or{b} {$src2, $dst|$dst, $src2}",
1141 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
1142 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1143 "or{w} {$src2, $dst|$dst, $src2}",
1144 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
1145 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1146 "or{l} {$src2, $dst|$dst, $src2}",
1147 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
1149 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1150 "or{w} {$src2, $dst|$dst, $src2}",
1151 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
1152 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1153 "or{l} {$src2, $dst|$dst, $src2}",
1154 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
1155 let isTwoAddress = 0 in {
1156 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
1157 "or{b} {$src, $dst|$dst, $src}",
1158 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
1159 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
1160 "or{w} {$src, $dst|$dst, $src}",
1161 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
1162 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
1163 "or{l} {$src, $dst|$dst, $src}",
1164 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
1165 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1166 "or{b} {$src, $dst|$dst, $src}",
1167 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1168 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1169 "or{w} {$src, $dst|$dst, $src}",
1170 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1172 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1173 "or{l} {$src, $dst|$dst, $src}",
1174 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1175 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1176 "or{w} {$src, $dst|$dst, $src}",
1177 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1179 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1180 "or{l} {$src, $dst|$dst, $src}",
1181 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1185 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1186 def XOR8rr : I<0x30, MRMDestReg,
1187 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1188 "xor{b} {$src2, $dst|$dst, $src2}",
1189 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
1190 def XOR16rr : I<0x31, MRMDestReg,
1191 (ops R16:$dst, R16:$src1, R16:$src2),
1192 "xor{w} {$src2, $dst|$dst, $src2}",
1193 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
1194 def XOR32rr : I<0x31, MRMDestReg,
1195 (ops R32:$dst, R32:$src1, R32:$src2),
1196 "xor{l} {$src2, $dst|$dst, $src2}",
1197 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
1200 def XOR8rm : I<0x32, MRMSrcMem ,
1201 (ops R8 :$dst, R8:$src1, i8mem :$src2),
1202 "xor{b} {$src2, $dst|$dst, $src2}",
1203 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
1204 def XOR16rm : I<0x33, MRMSrcMem ,
1205 (ops R16:$dst, R16:$src1, i16mem:$src2),
1206 "xor{w} {$src2, $dst|$dst, $src2}",
1207 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
1208 def XOR32rm : I<0x33, MRMSrcMem ,
1209 (ops R32:$dst, R32:$src1, i32mem:$src2),
1210 "xor{l} {$src2, $dst|$dst, $src2}",
1211 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
1213 def XOR8ri : Ii8<0x80, MRM6r,
1214 (ops R8:$dst, R8:$src1, i8imm:$src2),
1215 "xor{b} {$src2, $dst|$dst, $src2}",
1216 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
1217 def XOR16ri : Ii16<0x81, MRM6r,
1218 (ops R16:$dst, R16:$src1, i16imm:$src2),
1219 "xor{w} {$src2, $dst|$dst, $src2}",
1220 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
1221 def XOR32ri : Ii32<0x81, MRM6r,
1222 (ops R32:$dst, R32:$src1, i32imm:$src2),
1223 "xor{l} {$src2, $dst|$dst, $src2}",
1224 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
1225 def XOR16ri8 : Ii8<0x83, MRM6r,
1226 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1227 "xor{w} {$src2, $dst|$dst, $src2}",
1228 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
1230 def XOR32ri8 : Ii8<0x83, MRM6r,
1231 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1232 "xor{l} {$src2, $dst|$dst, $src2}",
1233 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
1234 let isTwoAddress = 0 in {
1235 def XOR8mr : I<0x30, MRMDestMem,
1236 (ops i8mem :$dst, R8 :$src),
1237 "xor{b} {$src, $dst|$dst, $src}",
1238 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
1239 def XOR16mr : I<0x31, MRMDestMem,
1240 (ops i16mem:$dst, R16:$src),
1241 "xor{w} {$src, $dst|$dst, $src}",
1242 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
1244 def XOR32mr : I<0x31, MRMDestMem,
1245 (ops i32mem:$dst, R32:$src),
1246 "xor{l} {$src, $dst|$dst, $src}",
1247 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
1248 def XOR8mi : Ii8<0x80, MRM6m,
1249 (ops i8mem :$dst, i8imm :$src),
1250 "xor{b} {$src, $dst|$dst, $src}",
1251 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1252 def XOR16mi : Ii16<0x81, MRM6m,
1253 (ops i16mem:$dst, i16imm:$src),
1254 "xor{w} {$src, $dst|$dst, $src}",
1255 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1257 def XOR32mi : Ii32<0x81, MRM6m,
1258 (ops i32mem:$dst, i32imm:$src),
1259 "xor{l} {$src, $dst|$dst, $src}",
1260 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1261 def XOR16mi8 : Ii8<0x83, MRM6m,
1262 (ops i16mem:$dst, i16i8imm :$src),
1263 "xor{w} {$src, $dst|$dst, $src}",
1264 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1266 def XOR32mi8 : Ii8<0x83, MRM6m,
1267 (ops i32mem:$dst, i32i8imm :$src),
1268 "xor{l} {$src, $dst|$dst, $src}",
1269 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1272 // Shift instructions
1273 // FIXME: provide shorter instructions when imm8 == 1
1274 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
1275 "shl{b} {%cl, $dst|$dst, %CL}",
1276 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
1277 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1278 "shl{w} {%cl, $dst|$dst, %CL}",
1279 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1280 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1281 "shl{l} {%cl, $dst|$dst, %CL}",
1282 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1284 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1285 "shl{b} {$src2, $dst|$dst, $src2}",
1286 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1287 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1288 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1289 "shl{w} {$src2, $dst|$dst, $src2}",
1290 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1291 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1292 "shl{l} {$src2, $dst|$dst, $src2}",
1293 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1296 let isTwoAddress = 0 in {
1297 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1298 "shl{b} {%cl, $dst|$dst, %CL}",
1299 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1301 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1302 "shl{w} {%cl, $dst|$dst, %CL}",
1303 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1304 Imp<[CL],[]>, OpSize;
1305 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1306 "shl{l} {%cl, $dst|$dst, %CL}",
1307 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1309 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1310 "shl{b} {$src, $dst|$dst, $src}",
1311 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1312 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1313 "shl{w} {$src, $dst|$dst, $src}",
1314 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1316 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1317 "shl{l} {$src, $dst|$dst, $src}",
1318 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1321 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1322 "shr{b} {%cl, $dst|$dst, %CL}",
1323 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1324 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1325 "shr{w} {%cl, $dst|$dst, %CL}",
1326 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1327 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1328 "shr{l} {%cl, $dst|$dst, %CL}",
1329 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1331 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1332 "shr{b} {$src2, $dst|$dst, $src2}",
1333 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1334 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1335 "shr{w} {$src2, $dst|$dst, $src2}",
1336 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1337 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1338 "shr{l} {$src2, $dst|$dst, $src2}",
1339 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1341 let isTwoAddress = 0 in {
1342 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1343 "shr{b} {%cl, $dst|$dst, %CL}",
1344 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1346 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1347 "shr{w} {%cl, $dst|$dst, %CL}",
1348 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1349 Imp<[CL],[]>, OpSize;
1350 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1351 "shr{l} {%cl, $dst|$dst, %CL}",
1352 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1354 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1355 "shr{b} {$src, $dst|$dst, $src}",
1356 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1357 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1358 "shr{w} {$src, $dst|$dst, $src}",
1359 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1361 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1362 "shr{l} {$src, $dst|$dst, $src}",
1363 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1366 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1367 "sar{b} {%cl, $dst|$dst, %CL}",
1368 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1369 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1370 "sar{w} {%cl, $dst|$dst, %CL}",
1371 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1372 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1373 "sar{l} {%cl, $dst|$dst, %CL}",
1374 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1376 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1377 "sar{b} {$src2, $dst|$dst, $src2}",
1378 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1379 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1380 "sar{w} {$src2, $dst|$dst, $src2}",
1381 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1383 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1384 "sar{l} {$src2, $dst|$dst, $src2}",
1385 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1386 let isTwoAddress = 0 in {
1387 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1388 "sar{b} {%cl, $dst|$dst, %CL}",
1389 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1391 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1392 "sar{w} {%cl, $dst|$dst, %CL}",
1393 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1394 Imp<[CL],[]>, OpSize;
1395 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1396 "sar{l} {%cl, $dst|$dst, %CL}",
1397 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1399 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1400 "sar{b} {$src, $dst|$dst, $src}",
1401 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1402 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1403 "sar{w} {$src, $dst|$dst, $src}",
1404 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1406 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1407 "sar{l} {$src, $dst|$dst, $src}",
1408 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1411 // Rotate instructions
1412 // FIXME: provide shorter instructions when imm8 == 1
1413 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1414 "rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1415 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1416 "rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1417 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1418 "rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1420 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1421 "rol{b} {$src2, $dst|$dst, $src2}", []>;
1422 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1423 "rol{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1424 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1425 "rol{l} {$src2, $dst|$dst, $src2}", []>;
1427 let isTwoAddress = 0 in {
1428 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1429 "rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1430 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1431 "rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1432 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1433 "rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1434 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1435 "rol{b} {$src, $dst|$dst, $src}", []>;
1436 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1437 "rol{w} {$src, $dst|$dst, $src}", []>, OpSize;
1438 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1439 "rol{l} {$src, $dst|$dst, $src}", []>;
1442 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1443 "ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1444 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1445 "ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1446 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1447 "ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1449 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1450 "ror{b} {$src2, $dst|$dst, $src2}", []>;
1451 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1452 "ror{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1453 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1454 "ror{l} {$src2, $dst|$dst, $src2}", []>;
1455 let isTwoAddress = 0 in {
1456 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1457 "ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1458 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1459 "ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1460 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1461 "ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1462 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1463 "ror{b} {$src, $dst|$dst, $src}", []>;
1464 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1465 "ror{w} {$src, $dst|$dst, $src}", []>, OpSize;
1466 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1467 "ror{l} {$src, $dst|$dst, $src}", []>;
1472 // Double shift instructions (generalizations of rotate)
1474 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1475 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1477 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1478 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1480 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1481 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1482 Imp<[CL],[]>, TB, OpSize;
1483 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1484 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1485 Imp<[CL],[]>, TB, OpSize;
1487 let isCommutable = 1 in { // These instructions commute to each other.
1488 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1489 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1490 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>, TB;
1491 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1492 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1493 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>, TB;
1494 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1495 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1496 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1498 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1499 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1500 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1504 let isTwoAddress = 0 in {
1505 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1506 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1508 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1509 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1511 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1512 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1513 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1515 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1516 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1517 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1520 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1521 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1522 Imp<[CL],[]>, TB, OpSize;
1523 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1524 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1525 Imp<[CL],[]>, TB, OpSize;
1526 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1527 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1528 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1530 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1531 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1532 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1538 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1539 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1540 "add{b} {$src2, $dst|$dst, $src2}",
1541 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1542 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1543 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1544 "add{w} {$src2, $dst|$dst, $src2}",
1545 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1546 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1547 "add{l} {$src2, $dst|$dst, $src2}",
1548 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1549 } // end isConvertibleToThreeAddress
1550 } // end isCommutable
1551 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1552 "add{b} {$src2, $dst|$dst, $src2}",
1553 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1554 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1555 "add{w} {$src2, $dst|$dst, $src2}",
1556 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1557 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1558 "add{l} {$src2, $dst|$dst, $src2}",
1559 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1561 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1562 "add{b} {$src2, $dst|$dst, $src2}",
1563 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1565 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1566 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1567 "add{w} {$src2, $dst|$dst, $src2}",
1568 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1569 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1570 "add{l} {$src2, $dst|$dst, $src2}",
1571 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1574 // FIXME: move ADD16ri8 above ADD16ri to optimize for space.
1575 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1576 "add{w} {$src2, $dst|$dst, $src2}",
1577 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1579 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1580 "add{l} {$src2, $dst|$dst, $src2}",
1581 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1583 let isTwoAddress = 0 in {
1584 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1585 "add{b} {$src2, $dst|$dst, $src2}",
1586 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1587 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1588 "add{w} {$src2, $dst|$dst, $src2}",
1589 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1591 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1592 "add{l} {$src2, $dst|$dst, $src2}",
1593 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1594 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1595 "add{b} {$src2, $dst|$dst, $src2}",
1596 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1597 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1598 "add{w} {$src2, $dst|$dst, $src2}",
1599 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1601 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1602 "add{l} {$src2, $dst|$dst, $src2}",
1603 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1604 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1605 "add{w} {$src2, $dst|$dst, $src2}",
1606 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1608 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1609 "add{l} {$src2, $dst|$dst, $src2}",
1610 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1613 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1614 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1615 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1617 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1618 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1619 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1620 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1621 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1622 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1624 let isTwoAddress = 0 in {
1625 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1626 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1627 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1628 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1629 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i8imm :$src2),
1630 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1633 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1634 "sub{b} {$src2, $dst|$dst, $src2}",
1635 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1636 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1637 "sub{w} {$src2, $dst|$dst, $src2}",
1638 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1639 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1640 "sub{l} {$src2, $dst|$dst, $src2}",
1641 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1642 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1643 "sub{b} {$src2, $dst|$dst, $src2}",
1644 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1645 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1646 "sub{w} {$src2, $dst|$dst, $src2}",
1647 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1648 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1649 "sub{l} {$src2, $dst|$dst, $src2}",
1650 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1652 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1653 "sub{b} {$src2, $dst|$dst, $src2}",
1654 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1655 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1656 "sub{w} {$src2, $dst|$dst, $src2}",
1657 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1658 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1659 "sub{l} {$src2, $dst|$dst, $src2}",
1660 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1661 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1662 "sub{w} {$src2, $dst|$dst, $src2}",
1663 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1665 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1666 "sub{l} {$src2, $dst|$dst, $src2}",
1667 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1668 let isTwoAddress = 0 in {
1669 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1670 "sub{b} {$src2, $dst|$dst, $src2}",
1671 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1672 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1673 "sub{w} {$src2, $dst|$dst, $src2}",
1674 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1676 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1677 "sub{l} {$src2, $dst|$dst, $src2}",
1678 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1679 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1680 "sub{b} {$src2, $dst|$dst, $src2}",
1681 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1682 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1683 "sub{w} {$src2, $dst|$dst, $src2}",
1684 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1686 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1687 "sub{l} {$src2, $dst|$dst, $src2}",
1688 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1689 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1690 "sub{w} {$src2, $dst|$dst, $src2}",
1691 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1693 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1694 "sub{l} {$src2, $dst|$dst, $src2}",
1695 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1698 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1699 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1701 let isTwoAddress = 0 in {
1702 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1703 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1704 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1705 "sbb{b} {$src2, $dst|$dst, $src2}", []>;
1706 def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
1707 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1708 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1709 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1710 def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i8imm :$src2),
1711 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1712 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i8imm :$src2),
1713 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1715 def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1716 "sbb{b} {$src2, $dst|$dst, $src2}", []>;
1717 def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1718 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1720 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1721 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1722 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1723 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1725 def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1726 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1727 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1728 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1730 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1731 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1732 "imul{w} {$src2, $dst|$dst, $src2}",
1733 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1734 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1735 "imul{l} {$src2, $dst|$dst, $src2}",
1736 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
1738 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1739 "imul{w} {$src2, $dst|$dst, $src2}",
1740 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
1742 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1743 "imul{l} {$src2, $dst|$dst, $src2}",
1744 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
1746 } // end Two Address instructions
1748 // Suprisingly enough, these are not two address instructions!
1749 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1750 (ops R16:$dst, R16:$src1, i16imm:$src2),
1751 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1752 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
1753 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1754 (ops R32:$dst, R32:$src1, i32imm:$src2),
1755 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1756 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1757 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1758 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1759 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1760 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
1762 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1763 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1764 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1765 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
1767 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1768 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
1769 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1770 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
1772 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
1773 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
1774 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1775 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
1776 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
1777 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
1778 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1779 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
1781 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
1782 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
1783 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1784 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
1786 //===----------------------------------------------------------------------===//
1787 // Test instructions are just like AND, except they don't generate a result.
1789 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1790 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
1791 "test{b} {$src2, $src1|$src1, $src2}",
1792 [(set STATUS, (X86test R8:$src1, R8:$src2))]>,
1794 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
1795 "test{w} {$src2, $src1|$src1, $src2}",
1796 [(set STATUS, (X86test R16:$src1, R16:$src2))]>,
1797 Imp<[],[STATUS]>, OpSize;
1798 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
1799 "test{l} {$src2, $src1|$src1, $src2}",
1800 [(set STATUS, (X86test R32:$src1, R32:$src2))]>,
1803 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
1804 "test{b} {$src2, $src1|$src1, $src2}",
1805 [(set STATUS, (X86test (loadi8 addr:$src1), R8:$src2))]>,
1807 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
1808 "test{w} {$src2, $src1|$src1, $src2}",
1809 [(set STATUS, (X86test (loadi16 addr:$src1), R16:$src2))]>,
1810 Imp<[],[STATUS]>, OpSize;
1811 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
1812 "test{l} {$src2, $src1|$src1, $src2}",
1813 [(set STATUS, (X86test (loadi32 addr:$src1), R32:$src2))]>,
1815 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
1816 "test{b} {$src2, $src1|$src1, $src2}",
1817 [(set STATUS, (X86test R8:$src1, (loadi8 addr:$src2)))]>,
1819 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
1820 "test{w} {$src2, $src1|$src1, $src2}",
1821 [(set STATUS, (X86test R16:$src1, (loadi16 addr:$src2)))]>,
1822 Imp<[],[STATUS]>, OpSize;
1823 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
1824 "test{l} {$src2, $src1|$src1, $src2}",
1825 [(set STATUS, (X86test R32:$src1, (loadi32 addr:$src2)))]>,
1828 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
1829 (ops R8:$src1, i8imm:$src2),
1830 "test{b} {$src2, $src1|$src1, $src2}",
1831 [(set STATUS, (X86test R8:$src1, imm:$src2))]>,
1833 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
1834 (ops R16:$src1, i16imm:$src2),
1835 "test{w} {$src2, $src1|$src1, $src2}",
1836 [(set STATUS, (X86test R16:$src1, imm:$src2))]>,
1837 Imp<[],[STATUS]>, OpSize;
1838 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
1839 (ops R32:$src1, i32imm:$src2),
1840 "test{l} {$src2, $src1|$src1, $src2}",
1841 [(set STATUS, (X86test R32:$src1, imm:$src2))]>,
1843 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
1844 (ops i8mem:$src1, i8imm:$src2),
1845 "test{b} {$src2, $src1|$src1, $src2}",
1846 [(set STATUS, (X86test (loadi8 addr:$src1), imm:$src2))]>,
1848 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
1849 (ops i16mem:$src1, i16imm:$src2),
1850 "test{w} {$src2, $src1|$src1, $src2}",
1851 [(set STATUS, (X86test (loadi16 addr:$src1), imm:$src2))]>,
1852 Imp<[],[STATUS]>, OpSize;
1853 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
1854 (ops i32mem:$src1, i32imm:$src2),
1855 "test{l} {$src2, $src1|$src1, $src2}",
1856 [(set STATUS, (X86test (loadi32 addr:$src1), imm:$src2))]>,
1860 // Condition code ops, incl. set if equal/not equal/...
1861 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
1862 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
1864 def SETEr : I<0x94, MRM0r,
1866 "sete $dst", [(set R8:$dst, (X86SetCC SETEQ, STATUS))]>,
1868 def SETEm : I<0x94, MRM0m,
1870 "sete $dst", [(store (X86SetCC SETEQ, STATUS), addr:$dst)]>,
1872 def SETNEr : I<0x95, MRM0r,
1874 "setne $dst", [(set R8:$dst, (X86SetCC SETNE, STATUS))]>,
1876 def SETNEm : I<0x95, MRM0m,
1878 "setne $dst", [(store (X86SetCC SETNE, STATUS), addr:$dst)]>,
1880 def SETLr : I<0x9C, MRM0r,
1882 "setl $dst", [(set R8:$dst, (X86SetCC SETLT, STATUS))]>,
1883 TB; // R8 = < signed
1884 def SETLm : I<0x9C, MRM0m,
1886 "setl $dst", [(store (X86SetCC SETLT, STATUS), addr:$dst)]>,
1887 TB; // [mem8] = < signed
1888 def SETGEr : I<0x9D, MRM0r,
1890 "setge $dst", [(set R8:$dst, (X86SetCC SETGE, STATUS))]>,
1891 TB; // R8 = >= signed
1892 def SETGEm : I<0x9D, MRM0m,
1894 "setge $dst", [(store (X86SetCC SETGE, STATUS), addr:$dst)]>,
1895 TB; // [mem8] = >= signed
1896 def SETLEr : I<0x9E, MRM0r,
1898 "setle $dst", [(set R8:$dst, (X86SetCC SETLE, STATUS))]>,
1899 TB; // R8 = <= signed
1900 def SETLEm : I<0x9E, MRM0m,
1902 "setle $dst", [(store (X86SetCC SETLE, STATUS), addr:$dst)]>,
1903 TB; // [mem8] = <= signed
1904 def SETGr : I<0x9F, MRM0r,
1906 "setg $dst", [(set R8:$dst, (X86SetCC SETGT, STATUS))]>,
1907 TB; // R8 = > signed
1908 def SETGm : I<0x9F, MRM0m,
1910 "setg $dst", [(store (X86SetCC SETGT, STATUS), addr:$dst)]>,
1911 TB; // [mem8] = > signed
1913 def SETBr : I<0x92, MRM0r,
1915 "setb $dst", [(set R8:$dst, (X86SetCC SETULT, STATUS))]>,
1916 TB; // R8 = < unsign
1917 def SETBm : I<0x92, MRM0m,
1919 "setb $dst", [(store (X86SetCC SETULT, STATUS), addr:$dst)]>,
1920 TB; // [mem8] = < unsign
1921 def SETAEr : I<0x93, MRM0r,
1923 "setae $dst", [(set R8:$dst, (X86SetCC SETUGE, STATUS))]>,
1924 TB; // R8 = >= unsign
1925 def SETAEm : I<0x93, MRM0m,
1927 "setae $dst", [(store (X86SetCC SETUGE, STATUS), addr:$dst)]>,
1928 TB; // [mem8] = >= unsign
1929 def SETBEr : I<0x96, MRM0r,
1931 "setbe $dst", [(set R8:$dst, (X86SetCC SETULE, STATUS))]>,
1932 TB; // R8 = <= unsign
1933 def SETBEm : I<0x96, MRM0m,
1935 "setbe $dst", [(store (X86SetCC SETULE, STATUS), addr:$dst)]>,
1936 TB; // [mem8] = <= unsign
1937 def SETAr : I<0x97, MRM0r,
1939 "seta $dst", [(set R8:$dst, (X86SetCC SETUGT, STATUS))]>,
1940 TB; // R8 = > signed
1941 def SETAm : I<0x97, MRM0m,
1943 "seta $dst", [(store (X86SetCC SETUGT, STATUS), addr:$dst)]>,
1944 TB; // [mem8] = > signed
1945 def SETSr : I<0x98, MRM0r,
1947 "sets $dst", []>, TB; // R8 = <sign bit>
1948 def SETSm : I<0x98, MRM0m,
1950 "sets $dst", []>, TB; // [mem8] = <sign bit>
1951 def SETNSr : I<0x99, MRM0r,
1953 "setns $dst", []>, TB; // R8 = !<sign bit>
1954 def SETNSm : I<0x99, MRM0m,
1956 "setns $dst", []>, TB; // [mem8] = !<sign bit>
1957 def SETPr : I<0x9A, MRM0r,
1959 "setp $dst", []>, TB; // R8 = parity
1960 def SETPm : I<0x9A, MRM0m,
1962 "setp $dst", []>, TB; // [mem8] = parity
1963 def SETNPr : I<0x9B, MRM0r,
1965 "setnp $dst", []>, TB; // R8 = not parity
1966 def SETNPm : I<0x9B, MRM0m,
1968 "setnp $dst", []>, TB; // [mem8] = not parity
1970 // Integer comparisons
1971 def CMP8rr : I<0x38, MRMDestReg,
1972 (ops R8 :$src1, R8 :$src2),
1973 "cmp{b} {$src2, $src1|$src1, $src2}",
1974 [(set STATUS, (X86cmp R8:$src1, R8:$src2))]>,
1976 def CMP16rr : I<0x39, MRMDestReg,
1977 (ops R16:$src1, R16:$src2),
1978 "cmp{w} {$src2, $src1|$src1, $src2}",
1979 [(set STATUS, (X86cmp R16:$src1, R16:$src2))]>,
1980 Imp<[],[STATUS]>, OpSize;
1981 def CMP32rr : I<0x39, MRMDestReg,
1982 (ops R32:$src1, R32:$src2),
1983 "cmp{l} {$src2, $src1|$src1, $src2}",
1984 [(set STATUS, (X86cmp R32:$src1, R32:$src2))]>,
1986 def CMP8mr : I<0x38, MRMDestMem,
1987 (ops i8mem :$src1, R8 :$src2),
1988 "cmp{b} {$src2, $src1|$src1, $src2}",
1989 [(set STATUS, (X86cmp (loadi8 addr:$src1), R8:$src2))]>,
1991 def CMP16mr : I<0x39, MRMDestMem,
1992 (ops i16mem:$src1, R16:$src2),
1993 "cmp{w} {$src2, $src1|$src1, $src2}",
1994 [(set STATUS, (X86cmp (loadi16 addr:$src1), R16:$src2))]>,
1995 Imp<[],[STATUS]>, OpSize;
1996 def CMP32mr : I<0x39, MRMDestMem,
1997 (ops i32mem:$src1, R32:$src2),
1998 "cmp{l} {$src2, $src1|$src1, $src2}",
1999 [(set STATUS, (X86cmp (loadi32 addr:$src1), R32:$src2))]>,
2001 def CMP8rm : I<0x3A, MRMSrcMem,
2002 (ops R8 :$src1, i8mem :$src2),
2003 "cmp{b} {$src2, $src1|$src1, $src2}",
2004 [(set STATUS, (X86cmp R8:$src1, (loadi8 addr:$src2)))]>,
2006 def CMP16rm : I<0x3B, MRMSrcMem,
2007 (ops R16:$src1, i16mem:$src2),
2008 "cmp{w} {$src2, $src1|$src1, $src2}",
2009 [(set STATUS, (X86cmp R16:$src1, (loadi16 addr:$src2)))]>,
2010 Imp<[],[STATUS]>, OpSize;
2011 def CMP32rm : I<0x3B, MRMSrcMem,
2012 (ops R32:$src1, i32mem:$src2),
2013 "cmp{l} {$src2, $src1|$src1, $src2}",
2014 [(set STATUS, (X86cmp R32:$src1, (loadi32 addr:$src2)))]>,
2016 def CMP8ri : Ii8<0x80, MRM7r,
2017 (ops R8:$src1, i8imm:$src2),
2018 "cmp{b} {$src2, $src1|$src1, $src2}",
2019 [(set STATUS, (X86cmp R8:$src1, imm:$src2))]>,
2021 def CMP16ri : Ii16<0x81, MRM7r,
2022 (ops R16:$src1, i16imm:$src2),
2023 "cmp{w} {$src2, $src1|$src1, $src2}",
2024 [(set STATUS, (X86cmp R16:$src1, imm:$src2))]>,
2025 Imp<[],[STATUS]>, OpSize;
2026 def CMP32ri : Ii32<0x81, MRM7r,
2027 (ops R32:$src1, i32imm:$src2),
2028 "cmp{l} {$src2, $src1|$src1, $src2}",
2029 [(set STATUS, (X86cmp R32:$src1, imm:$src2))]>,
2031 def CMP8mi : Ii8 <0x80, MRM7m,
2032 (ops i8mem :$src1, i8imm :$src2),
2033 "cmp{b} {$src2, $src1|$src1, $src2}",
2034 [(set STATUS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>,
2036 def CMP16mi : Ii16<0x81, MRM7m,
2037 (ops i16mem:$src1, i16imm:$src2),
2038 "cmp{w} {$src2, $src1|$src1, $src2}",
2039 [(set STATUS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
2040 Imp<[],[STATUS]>, OpSize;
2041 def CMP32mi : Ii32<0x81, MRM7m,
2042 (ops i32mem:$src1, i32imm:$src2),
2043 "cmp{l} {$src2, $src1|$src1, $src2}",
2044 [(set STATUS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>,
2047 // Sign/Zero extenders
2048 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
2049 "movs{bw|x} {$src, $dst|$dst, $src}",
2050 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
2051 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2052 "movs{bw|x} {$src, $dst|$dst, $src}",
2053 [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2054 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
2055 "movs{bl|x} {$src, $dst|$dst, $src}",
2056 [(set R32:$dst, (sext R8:$src))]>, TB;
2057 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2058 "movs{bl|x} {$src, $dst|$dst, $src}",
2059 [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2060 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
2061 "movs{wl|x} {$src, $dst|$dst, $src}",
2062 [(set R32:$dst, (sext R16:$src))]>, TB;
2063 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2064 "movs{wl|x} {$src, $dst|$dst, $src}",
2065 [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2067 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
2068 "movz{bw|x} {$src, $dst|$dst, $src}",
2069 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
2070 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2071 "movz{bw|x} {$src, $dst|$dst, $src}",
2072 [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2073 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
2074 "movz{bl|x} {$src, $dst|$dst, $src}",
2075 [(set R32:$dst, (zext R8:$src))]>, TB;
2076 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2077 "movz{bl|x} {$src, $dst|$dst, $src}",
2078 [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2079 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
2080 "movz{wl|x} {$src, $dst|$dst, $src}",
2081 [(set R32:$dst, (zext R16:$src))]>, TB;
2082 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2083 "movz{wl|x} {$src, $dst|$dst, $src}",
2084 [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2086 // Handling 1 bit zextload and sextload
2087 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2088 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2089 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2090 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2092 // Handling 1 bit extload
2093 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2095 // Modeling anyext as zext
2096 def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
2097 def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
2098 def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
2100 //===----------------------------------------------------------------------===//
2101 // XMM Floating point support (requires SSE / SSE2)
2102 //===----------------------------------------------------------------------===//
2104 def MOVSSrr : I<0x10, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2105 "movss {$src, $dst|$dst, $src}", []>,
2106 Requires<[HasSSE1]>, XS;
2107 def MOVSDrr : I<0x10, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2108 "movsd {$src, $dst|$dst, $src}", []>,
2109 Requires<[HasSSE2]>, XD;
2111 def MOVSSrm : I<0x10, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2112 "movss {$src, $dst|$dst, $src}",
2113 [(set FR32:$dst, (loadf32 addr:$src))]>,
2114 Requires<[HasSSE1]>, XS;
2115 def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, FR32:$src),
2116 "movss {$src, $dst|$dst, $src}",
2117 [(store FR32:$src, addr:$dst)]>,
2118 Requires<[HasSSE1]>, XS;
2119 def MOVSDrm : I<0x10, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2120 "movsd {$src, $dst|$dst, $src}",
2121 [(set FR64:$dst, (loadf64 addr:$src))]>,
2122 Requires<[HasSSE2]>, XD;
2123 def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, FR64:$src),
2124 "movsd {$src, $dst|$dst, $src}",
2125 [(store FR64:$src, addr:$dst)]>,
2126 Requires<[HasSSE2]>, XD;
2128 def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR64:$src),
2129 "cvttsd2si {$src, $dst|$dst, $src}",
2130 [(set R32:$dst, (fp_to_sint FR64:$src))]>,
2131 Requires<[HasSSE2]>, XD;
2132 def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
2133 "cvttsd2si {$src, $dst|$dst, $src}",
2134 [(set R32:$dst, (fp_to_sint (loadf64 addr:$src)))]>,
2135 Requires<[HasSSE2]>, XD;
2136 def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR32:$src),
2137 "cvttss2si {$src, $dst|$dst, $src}",
2138 [(set R32:$dst, (fp_to_sint FR32:$src))]>,
2139 Requires<[HasSSE1]>, XS;
2140 def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
2141 "cvttss2si {$src, $dst|$dst, $src}",
2142 [(set R32:$dst, (fp_to_sint (loadf32 addr:$src)))]>,
2143 Requires<[HasSSE1]>, XS;
2144 def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops FR32:$dst, FR64:$src),
2145 "cvtsd2ss {$src, $dst|$dst, $src}",
2146 [(set FR32:$dst, (fround FR64:$src))]>,
2147 Requires<[HasSSE2]>, XS;
2148 def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops FR32:$dst, f64mem:$src),
2149 "cvtsd2ss {$src, $dst|$dst, $src}",
2150 [(set FR32:$dst, (fround (loadf64 addr:$src)))]>,
2151 Requires<[HasSSE2]>, XS;
2152 def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops FR64:$dst, FR32:$src),
2153 "cvtss2sd {$src, $dst|$dst, $src}",
2154 [(set FR64:$dst, (fextend FR32:$src))]>,
2155 Requires<[HasSSE2]>, XD;
2156 def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops FR64:$dst, f32mem:$src),
2157 "cvtss2sd {$src, $dst|$dst, $src}",
2158 [(set FR64:$dst, (fextend (loadf32 addr:$src)))]>,
2159 Requires<[HasSSE2]>, XD;
2160 def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops FR32:$dst, R32:$src),
2161 "cvtsi2ss {$src, $dst|$dst, $src}",
2162 [(set FR32:$dst, (sint_to_fp R32:$src))]>,
2163 Requires<[HasSSE2]>, XS;
2164 def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops FR32:$dst, i32mem:$src),
2165 "cvtsi2ss {$src, $dst|$dst, $src}",
2166 [(set FR32:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2167 Requires<[HasSSE2]>, XS;
2168 def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops FR64:$dst, R32:$src),
2169 "cvtsi2sd {$src, $dst|$dst, $src}",
2170 [(set FR64:$dst, (sint_to_fp R32:$src))]>,
2171 Requires<[HasSSE2]>, XD;
2172 def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops FR64:$dst, i32mem:$src),
2173 "cvtsi2sd {$src, $dst|$dst, $src}",
2174 [(set FR64:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2175 Requires<[HasSSE2]>, XD;
2177 def SQRTSSrm : I<0x51, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2178 "sqrtss {$src, $dst|$dst, $src}",
2179 [(set FR32:$dst, (fsqrt (loadf32 addr:$src)))]>,
2180 Requires<[HasSSE1]>, XS;
2181 def SQRTSSrr : I<0x51, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2182 "sqrtss {$src, $dst|$dst, $src}",
2183 [(set FR32:$dst, (fsqrt FR32:$src))]>,
2184 Requires<[HasSSE1]>, XS;
2185 def SQRTSDrm : I<0x51, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2186 "sqrtsd {$src, $dst|$dst, $src}",
2187 [(set FR64:$dst, (fsqrt (loadf64 addr:$src)))]>,
2188 Requires<[HasSSE2]>, XD;
2189 def SQRTSDrr : I<0x51, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2190 "sqrtsd {$src, $dst|$dst, $src}",
2191 [(set FR64:$dst, (fsqrt FR64:$src))]>,
2192 Requires<[HasSSE2]>, XD;
2194 def UCOMISDrr: I<0x2E, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2195 "ucomisd {$src, $dst|$dst, $src}", []>,
2196 Requires<[HasSSE2]>, TB, OpSize;
2197 def UCOMISDrm: I<0x2E, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2198 "ucomisd {$src, $dst|$dst, $src}", []>,
2199 Requires<[HasSSE2]>, TB, OpSize;
2200 def UCOMISSrr: I<0x2E, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2201 "ucomiss {$src, $dst|$dst, $src}", []>,
2202 Requires<[HasSSE1]>, TB;
2203 def UCOMISSrm: I<0x2E, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2204 "ucomiss {$src, $dst|$dst, $src}", []>,
2205 Requires<[HasSSE1]>, TB;
2207 // Pseudo-instructions that map fld0 to xorps/xorpd for sse.
2208 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2209 def FLD0SS : I<0x57, MRMSrcReg, (ops FR32:$dst),
2211 [(set FR32:$dst, fp32imm0)]>,
2212 Requires<[HasSSE1]>, TB;
2213 def FLD0SD : I<0x57, MRMSrcReg, (ops FR64:$dst),
2215 [(set FR64:$dst, fp64imm0)]>,
2216 Requires<[HasSSE2]>, TB, OpSize;
2218 let isTwoAddress = 1 in {
2219 // SSE Scalar Arithmetic
2220 let isCommutable = 1 in {
2221 def ADDSSrr : I<0x58, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2222 "addss {$src2, $dst|$dst, $src2}",
2223 [(set FR32:$dst, (fadd FR32:$src1, FR32:$src2))]>,
2224 Requires<[HasSSE1]>, XS;
2225 def ADDSDrr : I<0x58, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2226 "addsd {$src2, $dst|$dst, $src2}",
2227 [(set FR64:$dst, (fadd FR64:$src1, FR64:$src2))]>,
2228 Requires<[HasSSE2]>, XD;
2229 def MULSSrr : I<0x59, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2230 "mulss {$src2, $dst|$dst, $src2}",
2231 [(set FR32:$dst, (fmul FR32:$src1, FR32:$src2))]>,
2232 Requires<[HasSSE1]>, XS;
2233 def MULSDrr : I<0x59, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2234 "mulsd {$src2, $dst|$dst, $src2}",
2235 [(set FR64:$dst, (fmul FR64:$src1, FR64:$src2))]>,
2236 Requires<[HasSSE2]>, XD;
2239 def ADDSSrm : I<0x58, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2240 "addss {$src2, $dst|$dst, $src2}",
2241 [(set FR32:$dst, (fadd FR32:$src1, (loadf32 addr:$src2)))]>,
2242 Requires<[HasSSE1]>, XS;
2243 def ADDSDrm : I<0x58, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2244 "addsd {$src2, $dst|$dst, $src2}",
2245 [(set FR64:$dst, (fadd FR64:$src1, (loadf64 addr:$src2)))]>,
2246 Requires<[HasSSE2]>, XD;
2247 def MULSSrm : I<0x59, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2248 "mulss {$src2, $dst|$dst, $src2}",
2249 [(set FR32:$dst, (fmul FR32:$src1, (loadf32 addr:$src2)))]>,
2250 Requires<[HasSSE1]>, XS;
2251 def MULSDrm : I<0x59, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2252 "mulsd {$src2, $dst|$dst, $src2}",
2253 [(set FR64:$dst, (fmul FR64:$src1, (loadf64 addr:$src2)))]>,
2254 Requires<[HasSSE2]>, XD;
2256 def DIVSSrr : I<0x5E, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2257 "divss {$src2, $dst|$dst, $src2}",
2258 [(set FR32:$dst, (fdiv FR32:$src1, FR32:$src2))]>,
2259 Requires<[HasSSE1]>, XS;
2260 def DIVSSrm : I<0x5E, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2261 "divss {$src2, $dst|$dst, $src2}",
2262 [(set FR32:$dst, (fdiv FR32:$src1, (loadf32 addr:$src2)))]>,
2263 Requires<[HasSSE1]>, XS;
2264 def DIVSDrr : I<0x5E, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2265 "divsd {$src2, $dst|$dst, $src2}",
2266 [(set FR64:$dst, (fdiv FR64:$src1, FR64:$src2))]>,
2267 Requires<[HasSSE2]>, XD;
2268 def DIVSDrm : I<0x5E, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2269 "divsd {$src2, $dst|$dst, $src2}",
2270 [(set FR64:$dst, (fdiv FR64:$src1, (loadf64 addr:$src2)))]>,
2271 Requires<[HasSSE2]>, XD;
2273 def SUBSSrr : I<0x5C, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2274 "subss {$src2, $dst|$dst, $src2}",
2275 [(set FR32:$dst, (fsub FR32:$src1, FR32:$src2))]>,
2276 Requires<[HasSSE1]>, XS;
2277 def SUBSSrm : I<0x5C, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2278 "subss {$src2, $dst|$dst, $src2}",
2279 [(set FR32:$dst, (fsub FR32:$src1, (loadf32 addr:$src2)))]>,
2280 Requires<[HasSSE1]>, XS;
2281 def SUBSDrr : I<0x5C, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2282 "subsd {$src2, $dst|$dst, $src2}",
2283 [(set FR64:$dst, (fsub FR64:$src1, FR64:$src2))]>,
2284 Requires<[HasSSE2]>, XD;
2285 def SUBSDrm : I<0x5C, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2286 "subsd {$src2, $dst|$dst, $src2}",
2287 [(set FR64:$dst, (fsub FR64:$src1, (loadf64 addr:$src2)))]>,
2288 Requires<[HasSSE2]>, XD;
2291 let isCommutable = 1 in {
2292 def ANDPSrr : I<0x54, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2293 "andps {$src2, $dst|$dst, $src2}", []>,
2294 Requires<[HasSSE1]>, TB;
2295 def ANDPDrr : I<0x54, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2296 "andpd {$src2, $dst|$dst, $src2}", []>,
2297 Requires<[HasSSE2]>, TB, OpSize;
2298 def ORPSrr : I<0x56, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2299 "orps {$src2, $dst|$dst, $src2}", []>,
2300 Requires<[HasSSE1]>, TB;
2301 def ORPDrr : I<0x56, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2302 "orpd {$src2, $dst|$dst, $src2}", []>,
2303 Requires<[HasSSE2]>, TB, OpSize;
2304 def XORPSrr : I<0x57, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2305 "xorps {$src2, $dst|$dst, $src2}", []>,
2306 Requires<[HasSSE1]>, TB;
2307 def XORPDrr : I<0x57, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2308 "xorpd {$src2, $dst|$dst, $src2}", []>,
2309 Requires<[HasSSE2]>, TB, OpSize;
2311 def ANDNPSrr : I<0x55, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2312 "andnps {$src2, $dst|$dst, $src2}", []>,
2313 Requires<[HasSSE1]>, TB;
2314 def ANDNPDrr : I<0x55, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2315 "andnpd {$src2, $dst|$dst, $src2}", []>,
2316 Requires<[HasSSE2]>, TB, OpSize;
2318 def CMPSSrr : I<0xC2, MRMSrcReg,
2319 (ops FR32:$dst, FR32:$src1, FR32:$src, SSECC:$cc),
2320 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2321 Requires<[HasSSE1]>, XS;
2322 def CMPSSrm : I<0xC2, MRMSrcMem,
2323 (ops FR32:$dst, FR32:$src1, f32mem:$src, SSECC:$cc),
2324 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2325 Requires<[HasSSE1]>, XS;
2326 def CMPSDrr : I<0xC2, MRMSrcReg,
2327 (ops FR64:$dst, FR64:$src1, FR64:$src, SSECC:$cc),
2328 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2329 Requires<[HasSSE1]>, XD;
2330 def CMPSDrm : I<0xC2, MRMSrcMem,
2331 (ops FR64:$dst, FR64:$src1, f64mem:$src, SSECC:$cc),
2332 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2333 Requires<[HasSSE2]>, XD;
2336 //===----------------------------------------------------------------------===//
2337 // Floating Point Stack Support
2338 //===----------------------------------------------------------------------===//
2340 // Floating point support. All FP Stack operations are represented with two
2341 // instructions here. The first instruction, generated by the instruction
2342 // selector, uses "RFP" registers: a traditional register file to reference
2343 // floating point values. These instructions are all psuedo instructions and
2344 // use the "Fp" prefix. The second instruction is defined with FPI, which is
2345 // the actual instruction emitted by the assembler. The FP stackifier pass
2346 // converts one to the other after register allocation occurs.
2348 // Note that the FpI instruction should have instruction selection info (e.g.
2349 // a pattern) and the FPI instruction should have emission info (e.g. opcode
2350 // encoding and asm printing info).
2352 // FPI - Floating Point Instruction template.
2353 class FPI<bits<8> o, Format F, dag ops, string asm> : I<o, F, ops, asm, []> {}
2355 // FpI - Floating Point Psuedo Instruction template.
2356 class FpI<dag ops, FPFormat fp, list<dag> pattern>
2357 : X86Inst<0, Pseudo, NoImm, ops, "">, Requires<[FPStack]> {
2358 let FPForm = fp; let FPFormBits = FPForm.Value;
2359 let Pattern = pattern;
2362 // Random Pseudo Instructions.
2363 let hasInFlag = 1 in
2364 def FpGETRESULT : FpI<(ops RFP:$dst), SpecialFP, []>; // FPR = ST(0)
2366 // Do not inline into instruction def. since it isn't predicated on FPStack.
2367 def : Pat<(X86fpget), (FpGETRESULT)>;
2369 let noResults = 1, hasOutFlag = 1 in
2370 def FpSETRESULT : FpI<(ops RFP:$src), SpecialFP,
2371 []>, Imp<[], [ST0]>; // ST(0) = FPR
2373 // Do not inline into instruction def. since it isn't predicated on FPStack.
2374 def : Pat<(X86fpset RFP:$src), (FpSETRESULT RFP:$src)>;
2376 def FpMOV : FpI<(ops RFP:$dst, RFP:$src), SpecialFP, []>; // f1 = fmov f2
2379 // Add, Sub, Mul, Div.
2380 def FpADD : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2381 [(set RFP:$dst, (fadd RFP:$src1, RFP:$src2))]>;
2382 def FpSUB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2383 [(set RFP:$dst, (fsub RFP:$src1, RFP:$src2))]>;
2384 def FpMUL : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2385 [(set RFP:$dst, (fmul RFP:$src1, RFP:$src2))]>;
2386 def FpDIV : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2387 [(set RFP:$dst, (fdiv RFP:$src1, RFP:$src2))]>;
2389 class FPST0rInst<bits<8> o, string asm>
2390 : FPI<o, AddRegFrm, (ops RST:$op), asm>, D8;
2391 class FPrST0Inst<bits<8> o, string asm>
2392 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DC;
2393 class FPrST0PInst<bits<8> o, string asm>
2394 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DE;
2396 // Binary Ops with a memory source.
2397 def FpADD32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2398 [(set RFP:$dst, (fadd RFP:$src1,
2399 (extloadf64f32 addr:$src2)))]>;
2400 // ST(0) = ST(0) + [mem32]
2401 def FpADD64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2402 [(set RFP:$dst, (fadd RFP:$src1, (loadf64 addr:$src2)))]>;
2403 // ST(0) = ST(0) + [mem64]
2404 def FpMUL32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2405 [(set RFP:$dst, (fmul RFP:$src1,
2406 (extloadf64f32 addr:$src2)))]>;
2407 // ST(0) = ST(0) * [mem32]
2408 def FpMUL64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2409 [(set RFP:$dst, (fmul RFP:$src1, (loadf64 addr:$src2)))]>;
2410 // ST(0) = ST(0) * [mem64]
2411 def FpSUB32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2412 [(set RFP:$dst, (fsub RFP:$src1,
2413 (extloadf64f32 addr:$src2)))]>;
2414 // ST(0) = ST(0) - [mem32]
2415 def FpSUB64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2416 [(set RFP:$dst, (fsub RFP:$src1, (loadf64 addr:$src2)))]>;
2417 // ST(0) = ST(0) - [mem64]
2418 def FpSUBR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2419 [(set RFP:$dst, (fsub (extloadf64f32 addr:$src2),
2421 // ST(0) = [mem32] - ST(0)
2422 def FpSUBR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2423 [(set RFP:$dst, (fsub (loadf64 addr:$src2), RFP:$src1))]>;
2424 // ST(0) = [mem64] - ST(0)
2425 def FpDIV32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2426 [(set RFP:$dst, (fdiv RFP:$src1,
2427 (extloadf64f32 addr:$src2)))]>;
2428 // ST(0) = ST(0) / [mem32]
2429 def FpDIV64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2430 [(set RFP:$dst, (fdiv RFP:$src1, (loadf64 addr:$src2)))]>;
2431 // ST(0) = ST(0) / [mem64]
2432 def FpDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2433 [(set RFP:$dst, (fdiv (extloadf64f32 addr:$src2),
2435 // ST(0) = [mem32] / ST(0)
2436 def FpDIVR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2437 [(set RFP:$dst, (fdiv (loadf64 addr:$src2), RFP:$src1))]>;
2438 // ST(0) = [mem64] / ST(0)
2441 def FADD32m : FPI<0xD8, MRM0m, (ops f32mem:$src), "fadd{s} $src">;
2442 def FADD64m : FPI<0xDC, MRM0m, (ops f64mem:$src), "fadd{l} $src">;
2443 def FMUL32m : FPI<0xD8, MRM1m, (ops f32mem:$src), "fmul{s} $src">;
2444 def FMUL64m : FPI<0xDC, MRM1m, (ops f64mem:$src), "fmul{l} $src">;
2445 def FSUB32m : FPI<0xD8, MRM4m, (ops f32mem:$src), "fsub{s} $src">;
2446 def FSUB64m : FPI<0xDC, MRM4m, (ops f64mem:$src), "fsub{l} $src">;
2447 def FSUBR32m : FPI<0xD8, MRM5m, (ops f32mem:$src), "fsubr{s} $src">;
2448 def FSUBR64m : FPI<0xDC, MRM5m, (ops f64mem:$src), "fsubr{l} $src">;
2449 def FDIV32m : FPI<0xD8, MRM6m, (ops f32mem:$src), "fdiv{s} $src">;
2450 def FDIV64m : FPI<0xDC, MRM6m, (ops f64mem:$src), "fdiv{l} $src">;
2451 def FDIVR32m : FPI<0xD8, MRM7m, (ops f32mem:$src), "fdivr{s} $src">;
2452 def FDIVR64m : FPI<0xDC, MRM7m, (ops f64mem:$src), "fdivr{l} $src">;
2454 // FIXME: Implement these when we have a dag-dag isel!
2455 //def FIADD16m : FPI<0xDE, MRM0m>; // ST(0) = ST(0) + [mem16int]
2456 //def FIADD32m : FPI<0xDA, MRM0m>; // ST(0) = ST(0) + [mem32int]
2457 //def FIMUL16m : FPI<0xDE, MRM1m>; // ST(0) = ST(0) * [mem16]
2458 //def FIMUL32m : FPI<0xDA, MRM1m>; // ST(0) = ST(0) * [mem32]
2459 //def FISUB16m : FPI<0xDE, MRM4m>; // ST(0) = ST(0) - [mem16int]
2460 //def FISUB32m : FPI<0xDA, MRM4m>; // ST(0) = ST(0) - [mem32int]
2461 //def FISUBR16m : FPI<0xDE, MRM5m>; // ST(0) = [mem16int] - ST(0)
2462 //def FISUBR32m : FPI<0xDA, MRM5m>; // ST(0) = [mem32int] - ST(0)
2463 //def FIDIV16m : FPI<0xDE, MRM6m>; // ST(0) = ST(0) / [mem16int]
2464 //def FIDIV32m : FPI<0xDA, MRM6m>; // ST(0) = ST(0) / [mem32int]
2465 //def FIDIVR16m : FPI<0xDE, MRM7m>; // ST(0) = [mem16int] / ST(0)
2466 //def FIDIVR32m : FPI<0xDA, MRM7m>; // ST(0) = [mem32int] / ST(0)
2469 // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion
2470 // of some of the 'reverse' forms of the fsub and fdiv instructions. As such,
2471 // we have to put some 'r's in and take them out of weird places.
2472 def FADDST0r : FPST0rInst <0xC0, "fadd $op">;
2473 def FADDrST0 : FPrST0Inst <0xC0, "fadd {%ST(0), $op|$op, %ST(0)}">;
2474 def FADDPrST0 : FPrST0PInst<0xC0, "faddp $op">;
2475 def FSUBRST0r : FPST0rInst <0xE8, "fsubr $op">;
2476 def FSUBrST0 : FPrST0Inst <0xE8, "fsub{r} {%ST(0), $op|$op, %ST(0)}">;
2477 def FSUBPrST0 : FPrST0PInst<0xE8, "fsub{r}p $op">;
2478 def FSUBST0r : FPST0rInst <0xE0, "fsub $op">;
2479 def FSUBRrST0 : FPrST0Inst <0xE0, "fsub{|r} {%ST(0), $op|$op, %ST(0)}">;
2480 def FSUBRPrST0 : FPrST0PInst<0xE0, "fsub{|r}p $op">;
2481 def FMULST0r : FPST0rInst <0xC8, "fmul $op">;
2482 def FMULrST0 : FPrST0Inst <0xC8, "fmul {%ST(0), $op|$op, %ST(0)}">;
2483 def FMULPrST0 : FPrST0PInst<0xC8, "fmulp $op">;
2484 def FDIVRST0r : FPST0rInst <0xF8, "fdivr $op">;
2485 def FDIVrST0 : FPrST0Inst <0xF8, "fdiv{r} {%ST(0), $op|$op, %ST(0)}">;
2486 def FDIVPrST0 : FPrST0PInst<0xF8, "fdiv{r}p $op">;
2487 def FDIVST0r : FPST0rInst <0xF0, "fdiv $op">;
2488 def FDIVRrST0 : FPrST0Inst <0xF0, "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">;
2489 def FDIVRPrST0 : FPrST0PInst<0xF0, "fdiv{|r}p $op">;
2492 // Unary operations.
2493 def FpCHS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2494 [(set RFP:$dst, (fneg RFP:$src))]>;
2495 def FpABS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2496 [(set RFP:$dst, (fabs RFP:$src))]>;
2497 def FpSQRT : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2498 [(set RFP:$dst, (fsqrt RFP:$src))]>;
2499 def FpSIN : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2500 [(set RFP:$dst, (fsin RFP:$src))]>;
2501 def FpCOS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2502 [(set RFP:$dst, (fcos RFP:$src))]>;
2503 def FpTST : FpI<(ops RFP:$src), OneArgFP,
2506 def FCHS : FPI<0xE0, RawFrm, (ops), "fchs">, D9;
2507 def FABS : FPI<0xE1, RawFrm, (ops), "fabs">, D9;
2508 def FSQRT : FPI<0xFA, RawFrm, (ops), "fsqrt">, D9;
2509 def FSIN : FPI<0xFE, RawFrm, (ops), "fsin">, D9;
2510 def FCOS : FPI<0xFF, RawFrm, (ops), "fcos">, D9;
2511 def FTST : FPI<0xE4, RawFrm, (ops), "ftst">, D9;
2514 // Floating point cmovs.
2515 let isTwoAddress = 1 in {
2516 def FpCMOVB : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2517 def FpCMOVBE : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2518 def FpCMOVE : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2519 def FpCMOVP : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2520 def FpCMOVAE : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2521 def FpCMOVA : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2522 def FpCMOVNE : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2523 def FpCMOVNP : FpI<(ops RST:$dst, RFP:$src1, RFP:$src2), CondMovFP, []>;
2526 def FCMOVB : FPI<0xC0, AddRegFrm, (ops RST:$op),
2527 "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA;
2528 def FCMOVBE : FPI<0xD0, AddRegFrm, (ops RST:$op),
2529 "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
2530 def FCMOVE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2531 "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
2532 def FCMOVP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2533 "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA;
2534 def FCMOVAE : FPI<0xC0, AddRegFrm, (ops RST:$op),
2535 "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
2536 def FCMOVA : FPI<0xD0, AddRegFrm, (ops RST:$op),
2537 "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
2538 def FCMOVNE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2539 "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
2540 def FCMOVNP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2541 "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
2543 // Floating point loads & stores.
2544 def FpLD32m : FpI<(ops RFP:$dst, f32mem:$src), ZeroArgFP,
2545 [(set RFP:$dst, (extloadf64f32 addr:$src))]>;
2546 def FpLD64m : FpI<(ops RFP:$dst, f64mem:$src), ZeroArgFP,
2547 [(set RFP:$dst, (loadf64 addr:$src))]>;
2548 def FpILD16m : FpI<(ops RFP:$dst, i16mem:$src), ZeroArgFP,
2550 def FpILD32m : FpI<(ops RFP:$dst, i32mem:$src), ZeroArgFP,
2552 def FpILD64m : FpI<(ops RFP:$dst, i64mem:$src), ZeroArgFP,
2555 // Required for RET of f32 / f64 values.
2556 def : Pat<(X86fld addr:$src, f32), (FpLD32m addr:$src)>;
2557 def : Pat<(X86fld addr:$src, f64), (FpLD64m addr:$src)>;
2559 def FpST32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP,
2560 [(truncstore RFP:$src, addr:$op, f32)]>;
2561 def FpST64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP,
2562 [(store RFP:$src, addr:$op)]>;
2564 def : Pat<(X86fst RFP:$src, addr:$op, f32), (FpST32m addr:$op, RFP:$src)>;
2565 def : Pat<(X86fst RFP:$src, addr:$op, f64), (FpST64m addr:$op, RFP:$src)>;
2567 def FpSTP32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP, []>;
2568 def FpSTP64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP, []>;
2569 def FpIST16m : FpI<(ops i16mem:$op, RFP:$src), OneArgFP, []>;
2570 def FpIST32m : FpI<(ops i32mem:$op, RFP:$src), OneArgFP, []>;
2571 def FpIST64m : FpI<(ops i64mem:$op, RFP:$src), OneArgFP, []>;
2573 def FLD32m : FPI<0xD9, MRM0m, (ops f32mem:$src), "fld{s} $src">;
2574 def FLD64m : FPI<0xDD, MRM0m, (ops f64mem:$src), "fld{l} $src">;
2575 def FILD16m : FPI<0xDF, MRM0m, (ops i16mem:$src), "fild{s} $src">;
2576 def FILD32m : FPI<0xDB, MRM0m, (ops i32mem:$src), "fild{l} $src">;
2577 def FILD64m : FPI<0xDF, MRM5m, (ops i64mem:$src), "fild{ll} $src">;
2578 def FST32m : FPI<0xD9, MRM2m, (ops f32mem:$dst), "fst{s} $dst">;
2579 def FST64m : FPI<0xDD, MRM2m, (ops f64mem:$dst), "fst{l} $dst">;
2580 def FSTP32m : FPI<0xD9, MRM3m, (ops f32mem:$dst), "fstp{s} $dst">;
2581 def FSTP64m : FPI<0xDD, MRM3m, (ops f64mem:$dst), "fstp{l} $dst">;
2582 def FIST16m : FPI<0xDF, MRM2m, (ops i16mem:$dst), "fist{s} $dst">;
2583 def FIST32m : FPI<0xDB, MRM2m, (ops i32mem:$dst), "fist{l} $dst">;
2584 def FISTP16m : FPI<0xDF, MRM3m, (ops i16mem:$dst), "fistp{s} $dst">;
2585 def FISTP32m : FPI<0xDB, MRM3m, (ops i32mem:$dst), "fistp{l} $dst">;
2586 def FISTP64m : FPI<0xDF, MRM7m, (ops i64mem:$dst), "fistp{ll} $dst">;
2588 // FP Stack manipulation instructions.
2589 def FLDrr : FPI<0xC0, AddRegFrm, (ops RST:$op), "fld $op">, D9;
2590 def FSTrr : FPI<0xD0, AddRegFrm, (ops RST:$op), "fst $op">, DD;
2591 def FSTPrr : FPI<0xD8, AddRegFrm, (ops RST:$op), "fstp $op">, DD;
2592 def FXCH : FPI<0xC8, AddRegFrm, (ops RST:$op), "fxch $op">, D9;
2594 // Floating point constant loads.
2595 def FpLD0 : FpI<(ops RFP:$dst), ZeroArgFP,
2596 [(set RFP:$dst, fp64imm0)]>;
2597 def FpLD1 : FpI<(ops RFP:$dst), ZeroArgFP,
2598 [(set RFP:$dst, fp64imm1)]>;
2600 def : Pat<(f64 fp64immneg0), (FpCHS (FpLD0))>, Requires<[FPStack]>;
2601 def : Pat<(f64 fp64immneg1), (FpCHS (FpLD1))>, Requires<[FPStack]>;
2603 def FLD0 : FPI<0xEE, RawFrm, (ops), "fldz">, D9;
2604 def FLD1 : FPI<0xE8, RawFrm, (ops), "fld1">, D9;
2607 // Floating point compares.
2608 def FpUCOMr : FpI<(ops RST:$lhs, RST:$rhs), CompareFP,
2609 []>; // FPSW = cmp ST(0) with ST(i)
2610 def FpUCOMIr : FpI<(ops RST:$lhs, RST:$rhs), CompareFP,
2611 []>; // CC = cmp ST(0) with ST(i)
2613 def FUCOMr : FPI<0xE0, AddRegFrm, // FPSW = cmp ST(0) with ST(i)
2615 "fucom $reg">, DD, Imp<[ST0],[]>;
2616 def FUCOMPr : FPI<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
2618 "fucomp $reg">, DD, Imp<[ST0],[]>;
2619 def FUCOMPPr : FPI<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
2621 "fucompp">, DA, Imp<[ST0],[]>;
2623 def FUCOMIr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i)
2625 "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>;
2626 def FUCOMIPr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
2628 "fucomip {$reg, %ST(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>;
2631 // Floating point flag ops.
2632 def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
2633 (ops), "fnstsw", []>, DF, Imp<[],[AX]>;
2635 def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
2636 (ops i16mem:$dst), "fnstcw $dst", []>;
2637 def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
2638 (ops i16mem:$dst), "fldcw $dst", []>;
2641 //===----------------------------------------------------------------------===//
2642 // Miscellaneous Instructions
2643 //===----------------------------------------------------------------------===//
2645 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", []>, TB, Imp<[],[EAX,EDX]>;