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 SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
30 def SDTX86BrCond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i8>]>;
33 def SDTX86SetCC : SDTypeProfile<1, 1,
34 [SDTCisVT<0, i8>, SDTCisVT<1, i8>]>;
36 def SDTX86Ret : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
38 def SDT_X86CallSeqStart : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
39 def SDT_X86CallSeqEnd : SDTypeProfile<0, 2, [ SDTCisVT<0, i32>,
42 def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
44 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
46 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
48 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
50 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
51 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
53 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest,
55 def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest,
58 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
59 [SDNPInFlag, SDNPOutFlag]>;
60 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
61 [SDNPHasChain, SDNPInFlag]>;
62 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
63 [SDNPInFlag, SDNPOutFlag]>;
65 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
66 [SDNPHasChain, SDNPOptInFlag]>;
68 def X86callseq_start :
69 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
72 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
73 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
75 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
76 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
78 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
79 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
81 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
82 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
83 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
84 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
86 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
87 [SDNPHasChain, SDNPOutFlag]>;
89 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
91 //===----------------------------------------------------------------------===//
92 // X86 Operand Definitions.
95 // *mem - Operand definitions for the funky X86 addressing mode operands.
97 class X86MemOperand<string printMethod> : Operand<iPTR> {
98 let PrintMethod = printMethod;
99 let NumMIOperands = 4;
100 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
103 def i8mem : X86MemOperand<"printi8mem">;
104 def i16mem : X86MemOperand<"printi16mem">;
105 def i32mem : X86MemOperand<"printi32mem">;
106 def i64mem : X86MemOperand<"printi64mem">;
107 def i128mem : X86MemOperand<"printi128mem">;
108 def f32mem : X86MemOperand<"printf32mem">;
109 def f64mem : X86MemOperand<"printf64mem">;
110 def f128mem : X86MemOperand<"printf128mem">;
112 def SSECC : Operand<i8> {
113 let PrintMethod = "printSSECC";
116 def piclabel: Operand<i32> {
117 let PrintMethod = "printPICLabel";
120 // A couple of more descriptive operand definitions.
121 // 16-bits but only 8 bits are significant.
122 def i16i8imm : Operand<i16>;
123 // 32-bits but only 8 bits are significant.
124 def i32i8imm : Operand<i32>;
126 // Branch targets have OtherVT type.
127 def brtarget : Operand<OtherVT>;
129 //===----------------------------------------------------------------------===//
130 // X86 Complex Pattern Definitions.
133 // Define X86 specific addressing mode.
134 def addr : ComplexPattern<iPTR, 4, "SelectAddr", []>;
135 def leaaddr : ComplexPattern<iPTR, 4, "SelectLEAAddr",
136 [add, mul, shl, or, frameindex]>;
138 //===----------------------------------------------------------------------===//
139 // X86 Instruction Format Definitions.
142 // Format specifies the encoding used by the instruction. This is part of the
143 // ad-hoc solution used to emit machine instruction encodings by our machine
145 class Format<bits<6> val> {
149 def Pseudo : Format<0>; def RawFrm : Format<1>;
150 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
151 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
152 def MRMSrcMem : Format<6>;
153 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
154 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
155 def MRM6r : Format<22>; def MRM7r : Format<23>;
156 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
157 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
158 def MRM6m : Format<30>; def MRM7m : Format<31>;
159 def MRMInitReg : Format<32>;
161 //===----------------------------------------------------------------------===//
162 // X86 Instruction Predicate Definitions.
163 def HasMMX : Predicate<"Subtarget->hasMMX()">;
164 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
165 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
166 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
167 def FPStack : Predicate<"!Subtarget->hasSSE2()">;
169 //===----------------------------------------------------------------------===//
170 // X86 specific pattern fragments.
173 // ImmType - This specifies the immediate type used by an instruction. This is
174 // part of the ad-hoc solution used to emit machine instruction encodings by our
175 // machine code emitter.
176 class ImmType<bits<2> val> {
179 def NoImm : ImmType<0>;
180 def Imm8 : ImmType<1>;
181 def Imm16 : ImmType<2>;
182 def Imm32 : ImmType<3>;
184 // FPFormat - This specifies what form this FP instruction has. This is used by
185 // the Floating-Point stackifier pass.
186 class FPFormat<bits<3> val> {
189 def NotFP : FPFormat<0>;
190 def ZeroArgFP : FPFormat<1>;
191 def OneArgFP : FPFormat<2>;
192 def OneArgFPRW : FPFormat<3>;
193 def TwoArgFP : FPFormat<4>;
194 def CompareFP : FPFormat<5>;
195 def CondMovFP : FPFormat<6>;
196 def SpecialFP : FPFormat<7>;
199 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
201 let Namespace = "X86";
203 bits<8> Opcode = opcod;
205 bits<6> FormBits = Form.Value;
207 bits<2> ImmTypeBits = ImmT.Value;
209 dag OperandList = ops;
210 string AsmString = AsmStr;
213 // Attributes specific to X86 instructions...
215 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
217 bits<4> Prefix = 0; // Which prefix byte does this inst have?
218 FPFormat FPForm; // What flavor of FP instruction is this?
219 bits<3> FPFormBits = 0;
222 class Imp<list<Register> uses, list<Register> defs> {
223 list<Register> Uses = uses;
224 list<Register> Defs = defs;
228 // Prefix byte classes which are used to indicate to the ad-hoc machine code
229 // emitter that various prefix bytes are required.
230 class OpSize { bit hasOpSizePrefix = 1; }
231 class TB { bits<4> Prefix = 1; }
232 class REP { bits<4> Prefix = 2; }
233 class D8 { bits<4> Prefix = 3; }
234 class D9 { bits<4> Prefix = 4; }
235 class DA { bits<4> Prefix = 5; }
236 class DB { bits<4> Prefix = 6; }
237 class DC { bits<4> Prefix = 7; }
238 class DD { bits<4> Prefix = 8; }
239 class DE { bits<4> Prefix = 9; }
240 class DF { bits<4> Prefix = 10; }
241 class XD { bits<4> Prefix = 11; }
242 class XS { bits<4> Prefix = 12; }
245 //===----------------------------------------------------------------------===//
246 // Pattern fragments...
249 // X86 specific condition code. These correspond to CondCode in
250 // X86ISelLowering.h. They must be kept in synch.
251 def X86_COND_A : PatLeaf<(i8 0)>;
252 def X86_COND_AE : PatLeaf<(i8 1)>;
253 def X86_COND_B : PatLeaf<(i8 2)>;
254 def X86_COND_BE : PatLeaf<(i8 3)>;
255 def X86_COND_E : PatLeaf<(i8 4)>;
256 def X86_COND_G : PatLeaf<(i8 5)>;
257 def X86_COND_GE : PatLeaf<(i8 6)>;
258 def X86_COND_L : PatLeaf<(i8 7)>;
259 def X86_COND_LE : PatLeaf<(i8 8)>;
260 def X86_COND_NE : PatLeaf<(i8 9)>;
261 def X86_COND_NO : PatLeaf<(i8 10)>;
262 def X86_COND_NP : PatLeaf<(i8 11)>;
263 def X86_COND_NS : PatLeaf<(i8 12)>;
264 def X86_COND_O : PatLeaf<(i8 13)>;
265 def X86_COND_P : PatLeaf<(i8 14)>;
266 def X86_COND_S : PatLeaf<(i8 15)>;
268 def i16immSExt8 : PatLeaf<(i16 imm), [{
269 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
270 // sign extended field.
271 return (int16_t)N->getValue() == (int8_t)N->getValue();
274 def i32immSExt8 : PatLeaf<(i32 imm), [{
275 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
276 // sign extended field.
277 return (int32_t)N->getValue() == (int8_t)N->getValue();
280 def i16immZExt8 : PatLeaf<(i16 imm), [{
281 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
283 return (uint16_t)N->getValue() == (uint8_t)N->getValue();
286 // Helper fragments for loads.
287 def loadiPTR : PatFrag<(ops node:$ptr), (iPTR (load node:$ptr))>;
289 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
290 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
291 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
292 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
294 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
295 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
297 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
298 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
299 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
300 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
301 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
303 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextload node:$ptr, i1))>;
304 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
305 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
306 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
307 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
308 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
310 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
311 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extload node:$ptr, i1))>;
312 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i1))>;
313 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extload node:$ptr, i8))>;
314 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i8))>;
315 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i16))>;
317 //===----------------------------------------------------------------------===//
318 // Instruction templates...
320 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
321 : X86Inst<o, f, NoImm, ops, asm> {
322 let Pattern = pattern;
324 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
325 : X86Inst<o, f, Imm8 , ops, asm> {
326 let Pattern = pattern;
328 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
329 : X86Inst<o, f, Imm16, ops, asm> {
330 let Pattern = pattern;
332 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
333 : X86Inst<o, f, Imm32, ops, asm> {
334 let Pattern = pattern;
337 //===----------------------------------------------------------------------===//
338 // Instruction list...
341 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
342 [(X86callseq_start imm:$amt)]>;
343 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
345 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
346 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
347 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
348 def IMPLICIT_DEF_GR8 : I<0, Pseudo, (ops GR8:$dst),
349 "#IMPLICIT_DEF $dst",
350 [(set GR8:$dst, (undef))]>;
351 def IMPLICIT_DEF_GR16 : I<0, Pseudo, (ops GR16:$dst),
352 "#IMPLICIT_DEF $dst",
353 [(set GR16:$dst, (undef))]>;
354 def IMPLICIT_DEF_GR32 : I<0, Pseudo, (ops GR32:$dst),
355 "#IMPLICIT_DEF $dst",
356 [(set GR32:$dst, (undef))]>;
359 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
362 def TRUNC_GR32_GR8 : I<0x88, MRMDestReg, (ops GR8:$dst, GR32_:$src),
363 "mov{b} {${src:trunc8}, $dst|$dst, ${src:trunc8}", []>;
364 def TRUNC_GR16_GR8 : I<0x88, MRMDestReg, (ops GR8:$dst, GR16_:$src),
365 "mov{b} {${src:trunc8}, $dst|$dst, ${src:trunc8}}", []>;
366 def TRUNC_GR32_GR16 : I<0x89, MRMDestReg, (ops GR16:$dst, GR32:$src),
367 "mov{w} {${src:trunc16}, $dst|$dst, ${src:trunc16}}",
368 [(set GR16:$dst, (trunc GR32:$src))]>;
370 //===----------------------------------------------------------------------===//
371 // Control Flow Instructions...
374 // Return instructions.
375 let isTerminator = 1, isReturn = 1, isBarrier = 1,
376 hasCtrlDep = 1, noResults = 1 in {
377 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
378 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
379 [(X86retflag imm:$amt)]>;
382 // All branches are RawFrm, Void, Branch, and Terminators
383 let isBranch = 1, isTerminator = 1, noResults = 1 in
384 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
385 I<opcode, RawFrm, ops, asm, pattern>;
389 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
391 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
392 def JMP32r : I<0xFF, MRM4r, (ops GR32:$dst), "jmp{l} {*}$dst",
393 [(brind GR32:$dst)]>;
394 def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst",
395 [(brind (loadiPTR addr:$dst))]>;
398 // Conditional branches
399 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
400 [(X86brcond bb:$dst, X86_COND_E)]>, TB;
401 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
402 [(X86brcond bb:$dst, X86_COND_NE)]>, TB;
403 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
404 [(X86brcond bb:$dst, X86_COND_L)]>, TB;
405 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
406 [(X86brcond bb:$dst, X86_COND_LE)]>, TB;
407 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
408 [(X86brcond bb:$dst, X86_COND_G)]>, TB;
409 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
410 [(X86brcond bb:$dst, X86_COND_GE)]>, TB;
412 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
413 [(X86brcond bb:$dst, X86_COND_B)]>, TB;
414 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
415 [(X86brcond bb:$dst, X86_COND_BE)]>, TB;
416 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
417 [(X86brcond bb:$dst, X86_COND_A)]>, TB;
418 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
419 [(X86brcond bb:$dst, X86_COND_AE)]>, TB;
421 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
422 [(X86brcond bb:$dst, X86_COND_S)]>, TB;
423 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
424 [(X86brcond bb:$dst, X86_COND_NS)]>, TB;
425 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
426 [(X86brcond bb:$dst, X86_COND_P)]>, TB;
427 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
428 [(X86brcond bb:$dst, X86_COND_NP)]>, TB;
429 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
430 [(X86brcond bb:$dst, X86_COND_O)]>, TB;
431 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
432 [(X86brcond bb:$dst, X86_COND_NO)]>, TB;
434 //===----------------------------------------------------------------------===//
435 // Call Instructions...
437 let isCall = 1, noResults = 1 in
438 // All calls clobber the non-callee saved registers...
439 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
440 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
441 def CALLpcrel32 : I<0xE8, RawFrm, (ops i32imm:$dst), "call ${dst:call}",
443 def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst), "call {*}$dst",
444 [(X86call GR32:$dst)]>;
445 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst", []>;
449 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
450 def TAILJMPd : IBr<0xE9, (ops i32imm:$dst), "jmp ${dst:call} # TAIL CALL", []>;
451 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
452 def TAILJMPr : I<0xFF, MRM4r, (ops GR32:$dst), "jmp {*}$dst # TAIL CALL", []>;
453 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
454 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
455 "jmp {*}$dst # TAIL CALL", []>;
457 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
458 // way, except that it is marked as being a terminator. This causes the epilog
459 // inserter to insert reloads of callee saved registers BEFORE this. We need
460 // this until we have a more accurate way of tracking where the stack pointer is
461 // within a function.
462 let isTerminator = 1, isTwoAddress = 1 in
463 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
464 "add{l} {$src2, $dst|$dst, $src2}", []>;
466 //===----------------------------------------------------------------------===//
467 // Miscellaneous Instructions...
469 def LEAVE : I<0xC9, RawFrm,
470 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
471 def POP32r : I<0x58, AddRegFrm,
472 (ops GR32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
474 def MovePCtoStack : I<0, Pseudo, (ops piclabel:$label),
477 let isTwoAddress = 1 in // GR32 = bswap GR32
478 def BSWAP32r : I<0xC8, AddRegFrm,
479 (ops GR32:$dst, GR32:$src),
481 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
483 def XCHG8rr : I<0x86, MRMDestReg, // xchg GR8, GR8
484 (ops GR8:$src1, GR8:$src2),
485 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
486 def XCHG16rr : I<0x87, MRMDestReg, // xchg GR16, GR16
487 (ops GR16:$src1, GR16:$src2),
488 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
489 def XCHG32rr : I<0x87, MRMDestReg, // xchg GR32, GR32
490 (ops GR32:$src1, GR32:$src2),
491 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
493 def XCHG8mr : I<0x86, MRMDestMem,
494 (ops i8mem:$src1, GR8:$src2),
495 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
496 def XCHG16mr : I<0x87, MRMDestMem,
497 (ops i16mem:$src1, GR16:$src2),
498 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
499 def XCHG32mr : I<0x87, MRMDestMem,
500 (ops i32mem:$src1, GR32:$src2),
501 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
502 def XCHG8rm : I<0x86, MRMSrcMem,
503 (ops GR8:$src1, i8mem:$src2),
504 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
505 def XCHG16rm : I<0x87, MRMSrcMem,
506 (ops GR16:$src1, i16mem:$src2),
507 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
508 def XCHG32rm : I<0x87, MRMSrcMem,
509 (ops GR32:$src1, i32mem:$src2),
510 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
512 def LEA16r : I<0x8D, MRMSrcMem,
513 (ops GR16:$dst, i32mem:$src),
514 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
515 def LEA32r : I<0x8D, MRMSrcMem,
516 (ops GR32:$dst, i32mem:$src),
517 "lea{l} {$src|$dst}, {$dst|$src}",
518 [(set GR32:$dst, leaaddr:$src)]>;
520 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
522 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
523 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
524 [(X86rep_movs i16)]>,
525 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
526 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}",
527 [(X86rep_movs i32)]>,
528 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
530 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
532 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
533 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
534 [(X86rep_stos i16)]>,
535 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
536 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
537 [(X86rep_stos i32)]>,
538 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
541 //===----------------------------------------------------------------------===//
542 // Input/Output Instructions...
544 def IN8rr : I<0xEC, RawFrm, (ops),
545 "in{b} {%dx, %al|%AL, %DX}",
546 []>, Imp<[DX], [AL]>;
547 def IN16rr : I<0xED, RawFrm, (ops),
548 "in{w} {%dx, %ax|%AX, %DX}",
549 []>, Imp<[DX], [AX]>, OpSize;
550 def IN32rr : I<0xED, RawFrm, (ops),
551 "in{l} {%dx, %eax|%EAX, %DX}",
552 []>, Imp<[DX],[EAX]>;
554 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
555 "in{b} {$port, %al|%AL, $port}",
558 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
559 "in{w} {$port, %ax|%AX, $port}",
561 Imp<[], [AX]>, OpSize;
562 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
563 "in{l} {$port, %eax|%EAX, $port}",
567 def OUT8rr : I<0xEE, RawFrm, (ops),
568 "out{b} {%al, %dx|%DX, %AL}",
569 []>, Imp<[DX, AL], []>;
570 def OUT16rr : I<0xEF, RawFrm, (ops),
571 "out{w} {%ax, %dx|%DX, %AX}",
572 []>, Imp<[DX, AX], []>, OpSize;
573 def OUT32rr : I<0xEF, RawFrm, (ops),
574 "out{l} {%eax, %dx|%DX, %EAX}",
575 []>, Imp<[DX, EAX], []>;
577 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
578 "out{b} {%al, $port|$port, %AL}",
581 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
582 "out{w} {%ax, $port|$port, %AX}",
584 Imp<[AX], []>, OpSize;
585 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
586 "out{l} {%eax, $port|$port, %EAX}",
590 //===----------------------------------------------------------------------===//
591 // Move Instructions...
593 def MOV8rr : I<0x88, MRMDestReg, (ops GR8 :$dst, GR8 :$src),
594 "mov{b} {$src, $dst|$dst, $src}", []>;
595 def MOV16rr : I<0x89, MRMDestReg, (ops GR16:$dst, GR16:$src),
596 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
597 def MOV32rr : I<0x89, MRMDestReg, (ops GR32:$dst, GR32:$src),
598 "mov{l} {$src, $dst|$dst, $src}", []>;
599 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops GR8 :$dst, i8imm :$src),
600 "mov{b} {$src, $dst|$dst, $src}",
601 [(set GR8:$dst, imm:$src)]>;
602 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops GR16:$dst, i16imm:$src),
603 "mov{w} {$src, $dst|$dst, $src}",
604 [(set GR16:$dst, imm:$src)]>, OpSize;
605 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops GR32:$dst, i32imm:$src),
606 "mov{l} {$src, $dst|$dst, $src}",
607 [(set GR32:$dst, imm:$src)]>;
608 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
609 "mov{b} {$src, $dst|$dst, $src}",
610 [(store (i8 imm:$src), addr:$dst)]>;
611 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
612 "mov{w} {$src, $dst|$dst, $src}",
613 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
614 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
615 "mov{l} {$src, $dst|$dst, $src}",
616 [(store (i32 imm:$src), addr:$dst)]>;
618 def MOV8rm : I<0x8A, MRMSrcMem, (ops GR8 :$dst, i8mem :$src),
619 "mov{b} {$src, $dst|$dst, $src}",
620 [(set GR8:$dst, (load addr:$src))]>;
621 def MOV16rm : I<0x8B, MRMSrcMem, (ops GR16:$dst, i16mem:$src),
622 "mov{w} {$src, $dst|$dst, $src}",
623 [(set GR16:$dst, (load addr:$src))]>, OpSize;
624 def MOV32rm : I<0x8B, MRMSrcMem, (ops GR32:$dst, i32mem:$src),
625 "mov{l} {$src, $dst|$dst, $src}",
626 [(set GR32:$dst, (load addr:$src))]>;
628 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, GR8 :$src),
629 "mov{b} {$src, $dst|$dst, $src}",
630 [(store GR8:$src, addr:$dst)]>;
631 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, GR16:$src),
632 "mov{w} {$src, $dst|$dst, $src}",
633 [(store GR16:$src, addr:$dst)]>, OpSize;
634 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, GR32:$src),
635 "mov{l} {$src, $dst|$dst, $src}",
636 [(store GR32:$src, addr:$dst)]>;
638 //===----------------------------------------------------------------------===//
639 // Fixed-Register Multiplication and Division Instructions...
642 // Extra precision multiplication
643 def MUL8r : I<0xF6, MRM4r, (ops GR8:$src), "mul{b} $src",
644 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
645 // This probably ought to be moved to a def : Pat<> if the
646 // syntax can be accepted.
647 [(set AL, (mul AL, GR8:$src))]>,
648 Imp<[AL],[AX]>; // AL,AH = AL*GR8
649 def MUL16r : I<0xF7, MRM4r, (ops GR16:$src), "mul{w} $src", []>,
650 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*GR16
651 def MUL32r : I<0xF7, MRM4r, (ops GR32:$src), "mul{l} $src", []>,
652 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*GR32
653 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
655 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
656 // This probably ought to be moved to a def : Pat<> if the
657 // syntax can be accepted.
658 [(set AL, (mul AL, (loadi8 addr:$src)))]>,
659 Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
660 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
661 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
662 OpSize; // AX,DX = AX*[mem16]
663 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
664 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
666 def IMUL8r : I<0xF6, MRM5r, (ops GR8:$src), "imul{b} $src", []>,
667 Imp<[AL],[AX]>; // AL,AH = AL*GR8
668 def IMUL16r : I<0xF7, MRM5r, (ops GR16:$src), "imul{w} $src", []>,
669 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*GR16
670 def IMUL32r : I<0xF7, MRM5r, (ops GR32:$src), "imul{l} $src", []>,
671 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*GR32
672 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
673 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
674 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
675 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
676 OpSize; // AX,DX = AX*[mem16]
677 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
679 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
681 // unsigned division/remainder
682 def DIV8r : I<0xF6, MRM6r, (ops GR8:$src), // AX/r8 = AL,AH
683 "div{b} $src", []>, Imp<[AX],[AX]>;
684 def DIV16r : I<0xF7, MRM6r, (ops GR16:$src), // DX:AX/r16 = AX,DX
685 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
686 def DIV32r : I<0xF7, MRM6r, (ops GR32:$src), // EDX:EAX/r32 = EAX,EDX
687 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
688 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
689 "div{b} $src", []>, Imp<[AX],[AX]>;
690 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
691 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
692 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
693 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
695 // Signed division/remainder.
696 def IDIV8r : I<0xF6, MRM7r, (ops GR8:$src), // AX/r8 = AL,AH
697 "idiv{b} $src", []>, Imp<[AX],[AX]>;
698 def IDIV16r: I<0xF7, MRM7r, (ops GR16:$src), // DX:AX/r16 = AX,DX
699 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
700 def IDIV32r: I<0xF7, MRM7r, (ops GR32:$src), // EDX:EAX/r32 = EAX,EDX
701 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
702 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
703 "idiv{b} $src", []>, Imp<[AX],[AX]>;
704 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
705 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
706 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
707 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
710 //===----------------------------------------------------------------------===//
711 // Two address Instructions...
713 let isTwoAddress = 1 in {
716 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
717 (ops GR16:$dst, GR16:$src1, GR16:$src2),
718 "cmovb {$src2, $dst|$dst, $src2}",
719 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
722 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
723 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
724 "cmovb {$src2, $dst|$dst, $src2}",
725 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
728 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
729 (ops GR32:$dst, GR32:$src1, GR32:$src2),
730 "cmovb {$src2, $dst|$dst, $src2}",
731 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
734 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
735 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
736 "cmovb {$src2, $dst|$dst, $src2}",
737 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
741 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
742 (ops GR16:$dst, GR16:$src1, GR16:$src2),
743 "cmovae {$src2, $dst|$dst, $src2}",
744 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
747 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
748 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
749 "cmovae {$src2, $dst|$dst, $src2}",
750 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
753 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
754 (ops GR32:$dst, GR32:$src1, GR32:$src2),
755 "cmovae {$src2, $dst|$dst, $src2}",
756 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
759 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
760 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
761 "cmovae {$src2, $dst|$dst, $src2}",
762 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
766 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
767 (ops GR16:$dst, GR16:$src1, GR16:$src2),
768 "cmove {$src2, $dst|$dst, $src2}",
769 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
772 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
773 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
774 "cmove {$src2, $dst|$dst, $src2}",
775 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
778 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
779 (ops GR32:$dst, GR32:$src1, GR32:$src2),
780 "cmove {$src2, $dst|$dst, $src2}",
781 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
784 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
785 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
786 "cmove {$src2, $dst|$dst, $src2}",
787 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
791 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
792 (ops GR16:$dst, GR16:$src1, GR16:$src2),
793 "cmovne {$src2, $dst|$dst, $src2}",
794 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
797 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
798 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
799 "cmovne {$src2, $dst|$dst, $src2}",
800 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
803 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
804 (ops GR32:$dst, GR32:$src1, GR32:$src2),
805 "cmovne {$src2, $dst|$dst, $src2}",
806 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
809 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
810 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
811 "cmovne {$src2, $dst|$dst, $src2}",
812 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
816 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
817 (ops GR16:$dst, GR16:$src1, GR16:$src2),
818 "cmovbe {$src2, $dst|$dst, $src2}",
819 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
822 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
823 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
824 "cmovbe {$src2, $dst|$dst, $src2}",
825 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
828 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
829 (ops GR32:$dst, GR32:$src1, GR32:$src2),
830 "cmovbe {$src2, $dst|$dst, $src2}",
831 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
834 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
835 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
836 "cmovbe {$src2, $dst|$dst, $src2}",
837 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
841 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
842 (ops GR16:$dst, GR16:$src1, GR16:$src2),
843 "cmova {$src2, $dst|$dst, $src2}",
844 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
847 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
848 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
849 "cmova {$src2, $dst|$dst, $src2}",
850 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
853 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
854 (ops GR32:$dst, GR32:$src1, GR32:$src2),
855 "cmova {$src2, $dst|$dst, $src2}",
856 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
859 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
860 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
861 "cmova {$src2, $dst|$dst, $src2}",
862 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
866 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
867 (ops GR16:$dst, GR16:$src1, GR16:$src2),
868 "cmovl {$src2, $dst|$dst, $src2}",
869 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
872 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
873 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
874 "cmovl {$src2, $dst|$dst, $src2}",
875 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
878 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
879 (ops GR32:$dst, GR32:$src1, GR32:$src2),
880 "cmovl {$src2, $dst|$dst, $src2}",
881 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
884 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
885 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
886 "cmovl {$src2, $dst|$dst, $src2}",
887 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
891 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
892 (ops GR16:$dst, GR16:$src1, GR16:$src2),
893 "cmovge {$src2, $dst|$dst, $src2}",
894 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
897 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
898 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
899 "cmovge {$src2, $dst|$dst, $src2}",
900 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
903 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
904 (ops GR32:$dst, GR32:$src1, GR32:$src2),
905 "cmovge {$src2, $dst|$dst, $src2}",
906 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
909 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
910 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
911 "cmovge {$src2, $dst|$dst, $src2}",
912 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
916 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
917 (ops GR16:$dst, GR16:$src1, GR16:$src2),
918 "cmovle {$src2, $dst|$dst, $src2}",
919 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
922 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
923 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
924 "cmovle {$src2, $dst|$dst, $src2}",
925 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
928 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
929 (ops GR32:$dst, GR32:$src1, GR32:$src2),
930 "cmovle {$src2, $dst|$dst, $src2}",
931 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
934 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
935 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
936 "cmovle {$src2, $dst|$dst, $src2}",
937 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
941 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
942 (ops GR16:$dst, GR16:$src1, GR16:$src2),
943 "cmovg {$src2, $dst|$dst, $src2}",
944 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
947 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
948 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
949 "cmovg {$src2, $dst|$dst, $src2}",
950 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
953 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
954 (ops GR32:$dst, GR32:$src1, GR32:$src2),
955 "cmovg {$src2, $dst|$dst, $src2}",
956 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
959 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
960 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
961 "cmovg {$src2, $dst|$dst, $src2}",
962 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
966 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
967 (ops GR16:$dst, GR16:$src1, GR16:$src2),
968 "cmovs {$src2, $dst|$dst, $src2}",
969 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
972 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
973 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
974 "cmovs {$src2, $dst|$dst, $src2}",
975 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
978 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
979 (ops GR32:$dst, GR32:$src1, GR32:$src2),
980 "cmovs {$src2, $dst|$dst, $src2}",
981 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
984 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
985 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
986 "cmovs {$src2, $dst|$dst, $src2}",
987 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
991 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
992 (ops GR16:$dst, GR16:$src1, GR16:$src2),
993 "cmovns {$src2, $dst|$dst, $src2}",
994 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
997 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
998 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
999 "cmovns {$src2, $dst|$dst, $src2}",
1000 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1003 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1004 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1005 "cmovns {$src2, $dst|$dst, $src2}",
1006 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1009 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1010 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1011 "cmovns {$src2, $dst|$dst, $src2}",
1012 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1016 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1017 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1018 "cmovp {$src2, $dst|$dst, $src2}",
1019 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1022 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1023 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1024 "cmovp {$src2, $dst|$dst, $src2}",
1025 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1028 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1029 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1030 "cmovp {$src2, $dst|$dst, $src2}",
1031 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1034 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1035 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1036 "cmovp {$src2, $dst|$dst, $src2}",
1037 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1041 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1042 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1043 "cmovnp {$src2, $dst|$dst, $src2}",
1044 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1047 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1048 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1049 "cmovnp {$src2, $dst|$dst, $src2}",
1050 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1053 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1054 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1055 "cmovnp {$src2, $dst|$dst, $src2}",
1056 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1059 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1060 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1061 "cmovnp {$src2, $dst|$dst, $src2}",
1062 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1067 // unary instructions
1068 def NEG8r : I<0xF6, MRM3r, (ops GR8 :$dst, GR8 :$src), "neg{b} $dst",
1069 [(set GR8:$dst, (ineg GR8:$src))]>;
1070 def NEG16r : I<0xF7, MRM3r, (ops GR16:$dst, GR16:$src), "neg{w} $dst",
1071 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1072 def NEG32r : I<0xF7, MRM3r, (ops GR32:$dst, GR32:$src), "neg{l} $dst",
1073 [(set GR32:$dst, (ineg GR32:$src))]>;
1074 let isTwoAddress = 0 in {
1075 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1076 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1077 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1078 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1079 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1080 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1084 def NOT8r : I<0xF6, MRM2r, (ops GR8 :$dst, GR8 :$src), "not{b} $dst",
1085 [(set GR8:$dst, (not GR8:$src))]>;
1086 def NOT16r : I<0xF7, MRM2r, (ops GR16:$dst, GR16:$src), "not{w} $dst",
1087 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1088 def NOT32r : I<0xF7, MRM2r, (ops GR32:$dst, GR32:$src), "not{l} $dst",
1089 [(set GR32:$dst, (not GR32:$src))]>;
1090 let isTwoAddress = 0 in {
1091 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1092 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1093 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1094 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1095 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1096 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1099 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1100 def INC8r : I<0xFE, MRM0r, (ops GR8 :$dst, GR8 :$src), "inc{b} $dst",
1101 [(set GR8:$dst, (add GR8:$src, 1))]>;
1102 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1103 def INC16r : I<0xFF, MRM0r, (ops GR16:$dst, GR16:$src), "inc{w} $dst",
1104 [(set GR16:$dst, (add GR16:$src, 1))]>, OpSize;
1105 def INC32r : I<0xFF, MRM0r, (ops GR32:$dst, GR32:$src), "inc{l} $dst",
1106 [(set GR32:$dst, (add GR32:$src, 1))]>;
1108 let isTwoAddress = 0 in {
1109 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1110 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1111 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1112 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1113 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1114 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1117 def DEC8r : I<0xFE, MRM1r, (ops GR8 :$dst, GR8 :$src), "dec{b} $dst",
1118 [(set GR8:$dst, (add GR8:$src, -1))]>;
1119 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1120 def DEC16r : I<0xFF, MRM1r, (ops GR16:$dst, GR16:$src), "dec{w} $dst",
1121 [(set GR16:$dst, (add GR16:$src, -1))]>, OpSize;
1122 def DEC32r : I<0xFF, MRM1r, (ops GR32:$dst, GR32:$src), "dec{l} $dst",
1123 [(set GR32:$dst, (add GR32:$src, -1))]>;
1126 let isTwoAddress = 0 in {
1127 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1128 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1129 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1130 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1131 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1132 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1135 // Logical operators...
1136 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1137 def AND8rr : I<0x20, MRMDestReg,
1138 (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1139 "and{b} {$src2, $dst|$dst, $src2}",
1140 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1141 def AND16rr : I<0x21, MRMDestReg,
1142 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1143 "and{w} {$src2, $dst|$dst, $src2}",
1144 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1145 def AND32rr : I<0x21, MRMDestReg,
1146 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1147 "and{l} {$src2, $dst|$dst, $src2}",
1148 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1151 def AND8rm : I<0x22, MRMSrcMem,
1152 (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1153 "and{b} {$src2, $dst|$dst, $src2}",
1154 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1155 def AND16rm : I<0x23, MRMSrcMem,
1156 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1157 "and{w} {$src2, $dst|$dst, $src2}",
1158 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1159 def AND32rm : I<0x23, MRMSrcMem,
1160 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1161 "and{l} {$src2, $dst|$dst, $src2}",
1162 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1164 def AND8ri : Ii8<0x80, MRM4r,
1165 (ops GR8 :$dst, GR8 :$src1, i8imm :$src2),
1166 "and{b} {$src2, $dst|$dst, $src2}",
1167 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1168 def AND16ri : Ii16<0x81, MRM4r,
1169 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1170 "and{w} {$src2, $dst|$dst, $src2}",
1171 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1172 def AND32ri : Ii32<0x81, MRM4r,
1173 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1174 "and{l} {$src2, $dst|$dst, $src2}",
1175 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1176 def AND16ri8 : Ii8<0x83, MRM4r,
1177 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1178 "and{w} {$src2, $dst|$dst, $src2}",
1179 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1181 def AND32ri8 : Ii8<0x83, MRM4r,
1182 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1183 "and{l} {$src2, $dst|$dst, $src2}",
1184 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1186 let isTwoAddress = 0 in {
1187 def AND8mr : I<0x20, MRMDestMem,
1188 (ops i8mem :$dst, GR8 :$src),
1189 "and{b} {$src, $dst|$dst, $src}",
1190 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1191 def AND16mr : I<0x21, MRMDestMem,
1192 (ops i16mem:$dst, GR16:$src),
1193 "and{w} {$src, $dst|$dst, $src}",
1194 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1196 def AND32mr : I<0x21, MRMDestMem,
1197 (ops i32mem:$dst, GR32:$src),
1198 "and{l} {$src, $dst|$dst, $src}",
1199 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1200 def AND8mi : Ii8<0x80, MRM4m,
1201 (ops i8mem :$dst, i8imm :$src),
1202 "and{b} {$src, $dst|$dst, $src}",
1203 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1204 def AND16mi : Ii16<0x81, MRM4m,
1205 (ops i16mem:$dst, i16imm:$src),
1206 "and{w} {$src, $dst|$dst, $src}",
1207 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1209 def AND32mi : Ii32<0x81, MRM4m,
1210 (ops i32mem:$dst, i32imm:$src),
1211 "and{l} {$src, $dst|$dst, $src}",
1212 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1213 def AND16mi8 : Ii8<0x83, MRM4m,
1214 (ops i16mem:$dst, i16i8imm :$src),
1215 "and{w} {$src, $dst|$dst, $src}",
1216 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1218 def AND32mi8 : Ii8<0x83, MRM4m,
1219 (ops i32mem:$dst, i32i8imm :$src),
1220 "and{l} {$src, $dst|$dst, $src}",
1221 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1225 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1226 def OR8rr : I<0x08, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1227 "or{b} {$src2, $dst|$dst, $src2}",
1228 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1229 def OR16rr : I<0x09, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1230 "or{w} {$src2, $dst|$dst, $src2}",
1231 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1232 def OR32rr : I<0x09, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1233 "or{l} {$src2, $dst|$dst, $src2}",
1234 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1236 def OR8rm : I<0x0A, MRMSrcMem , (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1237 "or{b} {$src2, $dst|$dst, $src2}",
1238 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1239 def OR16rm : I<0x0B, MRMSrcMem , (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1240 "or{w} {$src2, $dst|$dst, $src2}",
1241 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1242 def OR32rm : I<0x0B, MRMSrcMem , (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1243 "or{l} {$src2, $dst|$dst, $src2}",
1244 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1246 def OR8ri : Ii8 <0x80, MRM1r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1247 "or{b} {$src2, $dst|$dst, $src2}",
1248 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1249 def OR16ri : Ii16<0x81, MRM1r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1250 "or{w} {$src2, $dst|$dst, $src2}",
1251 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1252 def OR32ri : Ii32<0x81, MRM1r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1253 "or{l} {$src2, $dst|$dst, $src2}",
1254 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1256 def OR16ri8 : Ii8<0x83, MRM1r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1257 "or{w} {$src2, $dst|$dst, $src2}",
1258 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1259 def OR32ri8 : Ii8<0x83, MRM1r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1260 "or{l} {$src2, $dst|$dst, $src2}",
1261 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1262 let isTwoAddress = 0 in {
1263 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, GR8:$src),
1264 "or{b} {$src, $dst|$dst, $src}",
1265 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1266 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, GR16:$src),
1267 "or{w} {$src, $dst|$dst, $src}",
1268 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1269 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, GR32:$src),
1270 "or{l} {$src, $dst|$dst, $src}",
1271 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1272 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1273 "or{b} {$src, $dst|$dst, $src}",
1274 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1275 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1276 "or{w} {$src, $dst|$dst, $src}",
1277 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1279 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1280 "or{l} {$src, $dst|$dst, $src}",
1281 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1282 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1283 "or{w} {$src, $dst|$dst, $src}",
1284 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1286 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1287 "or{l} {$src, $dst|$dst, $src}",
1288 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1292 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1293 def XOR8rr : I<0x30, MRMDestReg,
1294 (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1295 "xor{b} {$src2, $dst|$dst, $src2}",
1296 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1297 def XOR16rr : I<0x31, MRMDestReg,
1298 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1299 "xor{w} {$src2, $dst|$dst, $src2}",
1300 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1301 def XOR32rr : I<0x31, MRMDestReg,
1302 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1303 "xor{l} {$src2, $dst|$dst, $src2}",
1304 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1307 def XOR8rm : I<0x32, MRMSrcMem ,
1308 (ops GR8 :$dst, GR8:$src1, i8mem :$src2),
1309 "xor{b} {$src2, $dst|$dst, $src2}",
1310 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1311 def XOR16rm : I<0x33, MRMSrcMem ,
1312 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1313 "xor{w} {$src2, $dst|$dst, $src2}",
1314 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>, OpSize;
1315 def XOR32rm : I<0x33, MRMSrcMem ,
1316 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1317 "xor{l} {$src2, $dst|$dst, $src2}",
1318 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1320 def XOR8ri : Ii8<0x80, MRM6r,
1321 (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1322 "xor{b} {$src2, $dst|$dst, $src2}",
1323 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1324 def XOR16ri : Ii16<0x81, MRM6r,
1325 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1326 "xor{w} {$src2, $dst|$dst, $src2}",
1327 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1328 def XOR32ri : Ii32<0x81, MRM6r,
1329 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1330 "xor{l} {$src2, $dst|$dst, $src2}",
1331 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1332 def XOR16ri8 : Ii8<0x83, MRM6r,
1333 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1334 "xor{w} {$src2, $dst|$dst, $src2}",
1335 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1337 def XOR32ri8 : Ii8<0x83, MRM6r,
1338 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1339 "xor{l} {$src2, $dst|$dst, $src2}",
1340 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1341 let isTwoAddress = 0 in {
1342 def XOR8mr : I<0x30, MRMDestMem,
1343 (ops i8mem :$dst, GR8 :$src),
1344 "xor{b} {$src, $dst|$dst, $src}",
1345 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1346 def XOR16mr : I<0x31, MRMDestMem,
1347 (ops i16mem:$dst, GR16:$src),
1348 "xor{w} {$src, $dst|$dst, $src}",
1349 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1351 def XOR32mr : I<0x31, MRMDestMem,
1352 (ops i32mem:$dst, GR32:$src),
1353 "xor{l} {$src, $dst|$dst, $src}",
1354 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1355 def XOR8mi : Ii8<0x80, MRM6m,
1356 (ops i8mem :$dst, i8imm :$src),
1357 "xor{b} {$src, $dst|$dst, $src}",
1358 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1359 def XOR16mi : Ii16<0x81, MRM6m,
1360 (ops i16mem:$dst, i16imm:$src),
1361 "xor{w} {$src, $dst|$dst, $src}",
1362 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1364 def XOR32mi : Ii32<0x81, MRM6m,
1365 (ops i32mem:$dst, i32imm:$src),
1366 "xor{l} {$src, $dst|$dst, $src}",
1367 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1368 def XOR16mi8 : Ii8<0x83, MRM6m,
1369 (ops i16mem:$dst, i16i8imm :$src),
1370 "xor{w} {$src, $dst|$dst, $src}",
1371 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1373 def XOR32mi8 : Ii8<0x83, MRM6m,
1374 (ops i32mem:$dst, i32i8imm :$src),
1375 "xor{l} {$src, $dst|$dst, $src}",
1376 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1379 // Shift instructions
1380 def SHL8rCL : I<0xD2, MRM4r, (ops GR8 :$dst, GR8 :$src),
1381 "shl{b} {%cl, $dst|$dst, %CL}",
1382 [(set GR8:$dst, (shl GR8:$src, CL))]>, Imp<[CL],[]>;
1383 def SHL16rCL : I<0xD3, MRM4r, (ops GR16:$dst, GR16:$src),
1384 "shl{w} {%cl, $dst|$dst, %CL}",
1385 [(set GR16:$dst, (shl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1386 def SHL32rCL : I<0xD3, MRM4r, (ops GR32:$dst, GR32:$src),
1387 "shl{l} {%cl, $dst|$dst, %CL}",
1388 [(set GR32:$dst, (shl GR32:$src, CL))]>, Imp<[CL],[]>;
1390 def SHL8ri : Ii8<0xC0, MRM4r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1391 "shl{b} {$src2, $dst|$dst, $src2}",
1392 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1393 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1394 def SHL16ri : Ii8<0xC1, MRM4r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1395 "shl{w} {$src2, $dst|$dst, $src2}",
1396 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1397 def SHL32ri : Ii8<0xC1, MRM4r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1398 "shl{l} {$src2, $dst|$dst, $src2}",
1399 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1402 let isTwoAddress = 0 in {
1403 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1404 "shl{b} {%cl, $dst|$dst, %CL}",
1405 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1407 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1408 "shl{w} {%cl, $dst|$dst, %CL}",
1409 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1410 Imp<[CL],[]>, OpSize;
1411 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1412 "shl{l} {%cl, $dst|$dst, %CL}",
1413 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1415 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1416 "shl{b} {$src, $dst|$dst, $src}",
1417 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1418 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1419 "shl{w} {$src, $dst|$dst, $src}",
1420 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1422 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1423 "shl{l} {$src, $dst|$dst, $src}",
1424 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1427 def SHR8rCL : I<0xD2, MRM5r, (ops GR8 :$dst, GR8 :$src),
1428 "shr{b} {%cl, $dst|$dst, %CL}",
1429 [(set GR8:$dst, (srl GR8:$src, CL))]>, Imp<[CL],[]>;
1430 def SHR16rCL : I<0xD3, MRM5r, (ops GR16:$dst, GR16:$src),
1431 "shr{w} {%cl, $dst|$dst, %CL}",
1432 [(set GR16:$dst, (srl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1433 def SHR32rCL : I<0xD3, MRM5r, (ops GR32:$dst, GR32:$src),
1434 "shr{l} {%cl, $dst|$dst, %CL}",
1435 [(set GR32:$dst, (srl GR32:$src, CL))]>, Imp<[CL],[]>;
1437 def SHR8ri : Ii8<0xC0, MRM5r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1438 "shr{b} {$src2, $dst|$dst, $src2}",
1439 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1440 def SHR16ri : Ii8<0xC1, MRM5r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1441 "shr{w} {$src2, $dst|$dst, $src2}",
1442 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1443 def SHR32ri : Ii8<0xC1, MRM5r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1444 "shr{l} {$src2, $dst|$dst, $src2}",
1445 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1447 let isTwoAddress = 0 in {
1448 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1449 "shr{b} {%cl, $dst|$dst, %CL}",
1450 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1452 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1453 "shr{w} {%cl, $dst|$dst, %CL}",
1454 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1455 Imp<[CL],[]>, OpSize;
1456 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1457 "shr{l} {%cl, $dst|$dst, %CL}",
1458 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1460 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1461 "shr{b} {$src, $dst|$dst, $src}",
1462 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1463 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1464 "shr{w} {$src, $dst|$dst, $src}",
1465 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1467 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1468 "shr{l} {$src, $dst|$dst, $src}",
1469 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1472 def SAR8rCL : I<0xD2, MRM7r, (ops GR8 :$dst, GR8 :$src),
1473 "sar{b} {%cl, $dst|$dst, %CL}",
1474 [(set GR8:$dst, (sra GR8:$src, CL))]>, Imp<[CL],[]>;
1475 def SAR16rCL : I<0xD3, MRM7r, (ops GR16:$dst, GR16:$src),
1476 "sar{w} {%cl, $dst|$dst, %CL}",
1477 [(set GR16:$dst, (sra GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1478 def SAR32rCL : I<0xD3, MRM7r, (ops GR32:$dst, GR32:$src),
1479 "sar{l} {%cl, $dst|$dst, %CL}",
1480 [(set GR32:$dst, (sra GR32:$src, CL))]>, Imp<[CL],[]>;
1482 def SAR8ri : Ii8<0xC0, MRM7r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1483 "sar{b} {$src2, $dst|$dst, $src2}",
1484 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1485 def SAR16ri : Ii8<0xC1, MRM7r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1486 "sar{w} {$src2, $dst|$dst, $src2}",
1487 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1489 def SAR32ri : Ii8<0xC1, MRM7r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1490 "sar{l} {$src2, $dst|$dst, $src2}",
1491 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1492 let isTwoAddress = 0 in {
1493 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1494 "sar{b} {%cl, $dst|$dst, %CL}",
1495 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1497 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1498 "sar{w} {%cl, $dst|$dst, %CL}",
1499 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1500 Imp<[CL],[]>, OpSize;
1501 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1502 "sar{l} {%cl, $dst|$dst, %CL}",
1503 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1505 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1506 "sar{b} {$src, $dst|$dst, $src}",
1507 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1508 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1509 "sar{w} {$src, $dst|$dst, $src}",
1510 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1512 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1513 "sar{l} {$src, $dst|$dst, $src}",
1514 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1517 // Rotate instructions
1518 // FIXME: provide shorter instructions when imm8 == 1
1519 def ROL8rCL : I<0xD2, MRM0r, (ops GR8 :$dst, GR8 :$src),
1520 "rol{b} {%cl, $dst|$dst, %CL}",
1521 [(set GR8:$dst, (rotl GR8:$src, CL))]>, Imp<[CL],[]>;
1522 def ROL16rCL : I<0xD3, MRM0r, (ops GR16:$dst, GR16:$src),
1523 "rol{w} {%cl, $dst|$dst, %CL}",
1524 [(set GR16:$dst, (rotl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1525 def ROL32rCL : I<0xD3, MRM0r, (ops GR32:$dst, GR32:$src),
1526 "rol{l} {%cl, $dst|$dst, %CL}",
1527 [(set GR32:$dst, (rotl GR32:$src, CL))]>, Imp<[CL],[]>;
1529 def ROL8ri : Ii8<0xC0, MRM0r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1530 "rol{b} {$src2, $dst|$dst, $src2}",
1531 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1532 def ROL16ri : Ii8<0xC1, MRM0r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1533 "rol{w} {$src2, $dst|$dst, $src2}",
1534 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1535 def ROL32ri : Ii8<0xC1, MRM0r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1536 "rol{l} {$src2, $dst|$dst, $src2}",
1537 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1539 let isTwoAddress = 0 in {
1540 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1541 "rol{b} {%cl, $dst|$dst, %CL}",
1542 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1544 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1545 "rol{w} {%cl, $dst|$dst, %CL}",
1546 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1547 Imp<[CL],[]>, OpSize;
1548 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1549 "rol{l} {%cl, $dst|$dst, %CL}",
1550 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1552 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1553 "rol{b} {$src, $dst|$dst, $src}",
1554 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1555 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1556 "rol{w} {$src, $dst|$dst, $src}",
1557 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1559 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1560 "rol{l} {$src, $dst|$dst, $src}",
1561 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1564 def ROR8rCL : I<0xD2, MRM1r, (ops GR8 :$dst, GR8 :$src),
1565 "ror{b} {%cl, $dst|$dst, %CL}",
1566 [(set GR8:$dst, (rotr GR8:$src, CL))]>, Imp<[CL],[]>;
1567 def ROR16rCL : I<0xD3, MRM1r, (ops GR16:$dst, GR16:$src),
1568 "ror{w} {%cl, $dst|$dst, %CL}",
1569 [(set GR16:$dst, (rotr GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1570 def ROR32rCL : I<0xD3, MRM1r, (ops GR32:$dst, GR32:$src),
1571 "ror{l} {%cl, $dst|$dst, %CL}",
1572 [(set GR32:$dst, (rotr GR32:$src, CL))]>, Imp<[CL],[]>;
1574 def ROR8ri : Ii8<0xC0, MRM1r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1575 "ror{b} {$src2, $dst|$dst, $src2}",
1576 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1577 def ROR16ri : Ii8<0xC1, MRM1r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1578 "ror{w} {$src2, $dst|$dst, $src2}",
1579 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1580 def ROR32ri : Ii8<0xC1, MRM1r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1581 "ror{l} {$src2, $dst|$dst, $src2}",
1582 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1583 let isTwoAddress = 0 in {
1584 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1585 "ror{b} {%cl, $dst|$dst, %CL}",
1586 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1588 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1589 "ror{w} {%cl, $dst|$dst, %CL}",
1590 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1591 Imp<[CL],[]>, OpSize;
1592 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1593 "ror{l} {%cl, $dst|$dst, %CL}",
1594 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1596 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1597 "ror{b} {$src, $dst|$dst, $src}",
1598 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1599 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1600 "ror{w} {$src, $dst|$dst, $src}",
1601 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1603 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1604 "ror{l} {$src, $dst|$dst, $src}",
1605 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1610 // Double shift instructions (generalizations of rotate)
1611 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1612 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1613 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>,
1615 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1616 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1617 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>,
1619 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1620 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1621 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1622 Imp<[CL],[]>, TB, OpSize;
1623 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1624 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1625 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1626 Imp<[CL],[]>, TB, OpSize;
1628 let isCommutable = 1 in { // These instructions commute to each other.
1629 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1630 (ops GR32:$dst, GR32:$src1, GR32:$src2, i8imm:$src3),
1631 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1632 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1635 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1636 (ops GR32:$dst, GR32:$src1, GR32:$src2, i8imm:$src3),
1637 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1638 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1641 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1642 (ops GR16:$dst, GR16:$src1, GR16:$src2, i8imm:$src3),
1643 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1644 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1647 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1648 (ops GR16:$dst, GR16:$src1, GR16:$src2, i8imm:$src3),
1649 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1650 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1655 let isTwoAddress = 0 in {
1656 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1657 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1658 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1661 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1662 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1663 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1666 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1667 (ops i32mem:$dst, GR32:$src2, i8imm:$src3),
1668 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1669 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1670 (i8 imm:$src3)), addr:$dst)]>,
1672 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1673 (ops i32mem:$dst, GR32:$src2, i8imm:$src3),
1674 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1675 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1676 (i8 imm:$src3)), addr:$dst)]>,
1679 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1680 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1681 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1683 Imp<[CL],[]>, TB, OpSize;
1684 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1685 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1686 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1688 Imp<[CL],[]>, TB, OpSize;
1689 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1690 (ops i16mem:$dst, GR16:$src2, i8imm:$src3),
1691 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1692 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1693 (i8 imm:$src3)), addr:$dst)]>,
1695 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1696 (ops i16mem:$dst, GR16:$src2, i8imm:$src3),
1697 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1698 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1699 (i8 imm:$src3)), addr:$dst)]>,
1705 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1706 def ADD8rr : I<0x00, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1707 "add{b} {$src2, $dst|$dst, $src2}",
1708 [(set GR8:$dst, (add GR8:$src1, GR8:$src2))]>;
1709 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1710 def ADD16rr : I<0x01, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1711 "add{w} {$src2, $dst|$dst, $src2}",
1712 [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize;
1713 def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1714 "add{l} {$src2, $dst|$dst, $src2}",
1715 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
1716 } // end isConvertibleToThreeAddress
1717 } // end isCommutable
1718 def ADD8rm : I<0x02, MRMSrcMem, (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1719 "add{b} {$src2, $dst|$dst, $src2}",
1720 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>;
1721 def ADD16rm : I<0x03, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1722 "add{w} {$src2, $dst|$dst, $src2}",
1723 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>, OpSize;
1724 def ADD32rm : I<0x03, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1725 "add{l} {$src2, $dst|$dst, $src2}",
1726 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>;
1728 def ADD8ri : Ii8<0x80, MRM0r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1729 "add{b} {$src2, $dst|$dst, $src2}",
1730 [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>;
1732 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1733 def ADD16ri : Ii16<0x81, MRM0r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1734 "add{w} {$src2, $dst|$dst, $src2}",
1735 [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize;
1736 def ADD32ri : Ii32<0x81, MRM0r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1737 "add{l} {$src2, $dst|$dst, $src2}",
1738 [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
1739 def ADD16ri8 : Ii8<0x83, MRM0r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1740 "add{w} {$src2, $dst|$dst, $src2}",
1741 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>,
1743 def ADD32ri8 : Ii8<0x83, MRM0r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1744 "add{l} {$src2, $dst|$dst, $src2}",
1745 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
1748 let isTwoAddress = 0 in {
1749 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
1750 "add{b} {$src2, $dst|$dst, $src2}",
1751 [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>;
1752 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1753 "add{w} {$src2, $dst|$dst, $src2}",
1754 [(store (add (load addr:$dst), GR16:$src2), addr:$dst)]>,
1756 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1757 "add{l} {$src2, $dst|$dst, $src2}",
1758 [(store (add (load addr:$dst), GR32:$src2), addr:$dst)]>;
1759 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1760 "add{b} {$src2, $dst|$dst, $src2}",
1761 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1762 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1763 "add{w} {$src2, $dst|$dst, $src2}",
1764 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1766 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1767 "add{l} {$src2, $dst|$dst, $src2}",
1768 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1769 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1770 "add{w} {$src2, $dst|$dst, $src2}",
1771 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1773 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1774 "add{l} {$src2, $dst|$dst, $src2}",
1775 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1778 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1779 def ADC32rr : I<0x11, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1780 "adc{l} {$src2, $dst|$dst, $src2}",
1781 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
1783 def ADC32rm : I<0x13, MRMSrcMem , (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1784 "adc{l} {$src2, $dst|$dst, $src2}",
1785 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
1786 def ADC32ri : Ii32<0x81, MRM2r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1787 "adc{l} {$src2, $dst|$dst, $src2}",
1788 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
1789 def ADC32ri8 : Ii8<0x83, MRM2r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1790 "adc{l} {$src2, $dst|$dst, $src2}",
1791 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
1793 let isTwoAddress = 0 in {
1794 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1795 "adc{l} {$src2, $dst|$dst, $src2}",
1796 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
1797 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1798 "adc{l} {$src2, $dst|$dst, $src2}",
1799 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1800 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1801 "adc{l} {$src2, $dst|$dst, $src2}",
1802 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1805 def SUB8rr : I<0x28, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1806 "sub{b} {$src2, $dst|$dst, $src2}",
1807 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2))]>;
1808 def SUB16rr : I<0x29, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1809 "sub{w} {$src2, $dst|$dst, $src2}",
1810 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2))]>, OpSize;
1811 def SUB32rr : I<0x29, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1812 "sub{l} {$src2, $dst|$dst, $src2}",
1813 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2))]>;
1814 def SUB8rm : I<0x2A, MRMSrcMem, (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1815 "sub{b} {$src2, $dst|$dst, $src2}",
1816 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2)))]>;
1817 def SUB16rm : I<0x2B, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1818 "sub{w} {$src2, $dst|$dst, $src2}",
1819 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2)))]>, OpSize;
1820 def SUB32rm : I<0x2B, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1821 "sub{l} {$src2, $dst|$dst, $src2}",
1822 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2)))]>;
1824 def SUB8ri : Ii8 <0x80, MRM5r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1825 "sub{b} {$src2, $dst|$dst, $src2}",
1826 [(set GR8:$dst, (sub GR8:$src1, imm:$src2))]>;
1827 def SUB16ri : Ii16<0x81, MRM5r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1828 "sub{w} {$src2, $dst|$dst, $src2}",
1829 [(set GR16:$dst, (sub GR16:$src1, imm:$src2))]>, OpSize;
1830 def SUB32ri : Ii32<0x81, MRM5r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1831 "sub{l} {$src2, $dst|$dst, $src2}",
1832 [(set GR32:$dst, (sub GR32:$src1, imm:$src2))]>;
1833 def SUB16ri8 : Ii8<0x83, MRM5r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1834 "sub{w} {$src2, $dst|$dst, $src2}",
1835 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2))]>,
1837 def SUB32ri8 : Ii8<0x83, MRM5r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1838 "sub{l} {$src2, $dst|$dst, $src2}",
1839 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2))]>;
1840 let isTwoAddress = 0 in {
1841 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
1842 "sub{b} {$src2, $dst|$dst, $src2}",
1843 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst)]>;
1844 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1845 "sub{w} {$src2, $dst|$dst, $src2}",
1846 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst)]>,
1848 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1849 "sub{l} {$src2, $dst|$dst, $src2}",
1850 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst)]>;
1851 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1852 "sub{b} {$src2, $dst|$dst, $src2}",
1853 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1854 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1855 "sub{w} {$src2, $dst|$dst, $src2}",
1856 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1858 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1859 "sub{l} {$src2, $dst|$dst, $src2}",
1860 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1861 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1862 "sub{w} {$src2, $dst|$dst, $src2}",
1863 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1865 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1866 "sub{l} {$src2, $dst|$dst, $src2}",
1867 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1870 def SBB32rr : I<0x19, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1871 "sbb{l} {$src2, $dst|$dst, $src2}",
1872 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
1874 let isTwoAddress = 0 in {
1875 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1876 "sbb{l} {$src2, $dst|$dst, $src2}",
1877 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
1878 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1879 "sbb{b} {$src2, $dst|$dst, $src2}",
1880 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1881 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1882 "sbb{l} {$src2, $dst|$dst, $src2}",
1883 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1884 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
1885 "sbb{l} {$src2, $dst|$dst, $src2}",
1886 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1888 def SBB32rm : I<0x1B, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1889 "sbb{l} {$src2, $dst|$dst, $src2}",
1890 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
1891 def SBB32ri : Ii32<0x81, MRM3r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1892 "sbb{l} {$src2, $dst|$dst, $src2}",
1893 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
1894 def SBB32ri8 : Ii8<0x83, MRM3r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1895 "sbb{l} {$src2, $dst|$dst, $src2}",
1896 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
1898 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1899 def IMUL16rr : I<0xAF, MRMSrcReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1900 "imul{w} {$src2, $dst|$dst, $src2}",
1901 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2))]>, TB, OpSize;
1902 def IMUL32rr : I<0xAF, MRMSrcReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1903 "imul{l} {$src2, $dst|$dst, $src2}",
1904 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2))]>, TB;
1906 def IMUL16rm : I<0xAF, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1907 "imul{w} {$src2, $dst|$dst, $src2}",
1908 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2)))]>,
1910 def IMUL32rm : I<0xAF, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1911 "imul{l} {$src2, $dst|$dst, $src2}",
1912 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2)))]>, TB;
1914 } // end Two Address instructions
1916 // Suprisingly enough, these are not two address instructions!
1917 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
1918 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1919 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1920 [(set GR16:$dst, (mul GR16:$src1, imm:$src2))]>, OpSize;
1921 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
1922 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1923 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1924 [(set GR32:$dst, (mul GR32:$src1, imm:$src2))]>;
1925 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
1926 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1927 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1928 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2))]>,
1930 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
1931 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1932 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1933 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2))]>;
1935 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
1936 (ops GR16:$dst, i16mem:$src1, i16imm:$src2),
1937 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1938 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2))]>,
1940 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
1941 (ops GR32:$dst, i32mem:$src1, i32imm:$src2),
1942 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1943 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2))]>;
1944 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
1945 (ops GR16:$dst, i16mem:$src1, i16i8imm :$src2),
1946 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1947 [(set GR16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
1949 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
1950 (ops GR32:$dst, i32mem:$src1, i32i8imm: $src2),
1951 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1952 [(set GR32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
1954 //===----------------------------------------------------------------------===//
1955 // Test instructions are just like AND, except they don't generate a result.
1957 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1958 def TEST8rr : I<0x84, MRMDestReg, (ops GR8:$src1, GR8:$src2),
1959 "test{b} {$src2, $src1|$src1, $src2}",
1960 [(X86test GR8:$src1, GR8:$src2)]>;
1961 def TEST16rr : I<0x85, MRMDestReg, (ops GR16:$src1, GR16:$src2),
1962 "test{w} {$src2, $src1|$src1, $src2}",
1963 [(X86test GR16:$src1, GR16:$src2)]>, OpSize;
1964 def TEST32rr : I<0x85, MRMDestReg, (ops GR32:$src1, GR32:$src2),
1965 "test{l} {$src2, $src1|$src1, $src2}",
1966 [(X86test GR32:$src1, GR32:$src2)]>;
1968 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, GR8 :$src2),
1969 "test{b} {$src2, $src1|$src1, $src2}",
1970 [(X86test (loadi8 addr:$src1), GR8:$src2)]>;
1971 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, GR16:$src2),
1972 "test{w} {$src2, $src1|$src1, $src2}",
1973 [(X86test (loadi16 addr:$src1), GR16:$src2)]>,
1975 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, GR32:$src2),
1976 "test{l} {$src2, $src1|$src1, $src2}",
1977 [(X86test (loadi32 addr:$src1), GR32:$src2)]>;
1978 def TEST8rm : I<0x84, MRMSrcMem, (ops GR8 :$src1, i8mem :$src2),
1979 "test{b} {$src2, $src1|$src1, $src2}",
1980 [(X86test GR8:$src1, (loadi8 addr:$src2))]>;
1981 def TEST16rm : I<0x85, MRMSrcMem, (ops GR16:$src1, i16mem:$src2),
1982 "test{w} {$src2, $src1|$src1, $src2}",
1983 [(X86test GR16:$src1, (loadi16 addr:$src2))]>,
1985 def TEST32rm : I<0x85, MRMSrcMem, (ops GR32:$src1, i32mem:$src2),
1986 "test{l} {$src2, $src1|$src1, $src2}",
1987 [(X86test GR32:$src1, (loadi32 addr:$src2))]>;
1989 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
1990 (ops GR8:$src1, i8imm:$src2),
1991 "test{b} {$src2, $src1|$src1, $src2}",
1992 [(X86test GR8:$src1, imm:$src2)]>;
1993 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
1994 (ops GR16:$src1, i16imm:$src2),
1995 "test{w} {$src2, $src1|$src1, $src2}",
1996 [(X86test GR16:$src1, imm:$src2)]>, OpSize;
1997 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
1998 (ops GR32:$src1, i32imm:$src2),
1999 "test{l} {$src2, $src1|$src1, $src2}",
2000 [(X86test GR32:$src1, imm:$src2)]>;
2001 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2002 (ops i8mem:$src1, i8imm:$src2),
2003 "test{b} {$src2, $src1|$src1, $src2}",
2004 [(X86test (loadi8 addr:$src1), imm:$src2)]>;
2005 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2006 (ops i16mem:$src1, i16imm:$src2),
2007 "test{w} {$src2, $src1|$src1, $src2}",
2008 [(X86test (loadi16 addr:$src1), imm:$src2)]>,
2010 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2011 (ops i32mem:$src1, i32imm:$src2),
2012 "test{l} {$src2, $src1|$src1, $src2}",
2013 [(X86test (loadi32 addr:$src1), imm:$src2)]>;
2016 // Condition code ops, incl. set if equal/not equal/...
2017 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2018 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2020 def SETEr : I<0x94, MRM0r,
2023 [(set GR8:$dst, (X86setcc X86_COND_E))]>,
2025 def SETEm : I<0x94, MRM0m,
2028 [(store (X86setcc X86_COND_E), addr:$dst)]>,
2030 def SETNEr : I<0x95, MRM0r,
2033 [(set GR8:$dst, (X86setcc X86_COND_NE))]>,
2035 def SETNEm : I<0x95, MRM0m,
2038 [(store (X86setcc X86_COND_NE), addr:$dst)]>,
2040 def SETLr : I<0x9C, MRM0r,
2043 [(set GR8:$dst, (X86setcc X86_COND_L))]>,
2044 TB; // GR8 = < signed
2045 def SETLm : I<0x9C, MRM0m,
2048 [(store (X86setcc X86_COND_L), addr:$dst)]>,
2049 TB; // [mem8] = < signed
2050 def SETGEr : I<0x9D, MRM0r,
2053 [(set GR8:$dst, (X86setcc X86_COND_GE))]>,
2054 TB; // GR8 = >= signed
2055 def SETGEm : I<0x9D, MRM0m,
2058 [(store (X86setcc X86_COND_GE), addr:$dst)]>,
2059 TB; // [mem8] = >= signed
2060 def SETLEr : I<0x9E, MRM0r,
2063 [(set GR8:$dst, (X86setcc X86_COND_LE))]>,
2064 TB; // GR8 = <= signed
2065 def SETLEm : I<0x9E, MRM0m,
2068 [(store (X86setcc X86_COND_LE), addr:$dst)]>,
2069 TB; // [mem8] = <= signed
2070 def SETGr : I<0x9F, MRM0r,
2073 [(set GR8:$dst, (X86setcc X86_COND_G))]>,
2074 TB; // GR8 = > signed
2075 def SETGm : I<0x9F, MRM0m,
2078 [(store (X86setcc X86_COND_G), addr:$dst)]>,
2079 TB; // [mem8] = > signed
2081 def SETBr : I<0x92, MRM0r,
2084 [(set GR8:$dst, (X86setcc X86_COND_B))]>,
2085 TB; // GR8 = < unsign
2086 def SETBm : I<0x92, MRM0m,
2089 [(store (X86setcc X86_COND_B), addr:$dst)]>,
2090 TB; // [mem8] = < unsign
2091 def SETAEr : I<0x93, MRM0r,
2094 [(set GR8:$dst, (X86setcc X86_COND_AE))]>,
2095 TB; // GR8 = >= unsign
2096 def SETAEm : I<0x93, MRM0m,
2099 [(store (X86setcc X86_COND_AE), addr:$dst)]>,
2100 TB; // [mem8] = >= unsign
2101 def SETBEr : I<0x96, MRM0r,
2104 [(set GR8:$dst, (X86setcc X86_COND_BE))]>,
2105 TB; // GR8 = <= unsign
2106 def SETBEm : I<0x96, MRM0m,
2109 [(store (X86setcc X86_COND_BE), addr:$dst)]>,
2110 TB; // [mem8] = <= unsign
2111 def SETAr : I<0x97, MRM0r,
2114 [(set GR8:$dst, (X86setcc X86_COND_A))]>,
2115 TB; // GR8 = > signed
2116 def SETAm : I<0x97, MRM0m,
2119 [(store (X86setcc X86_COND_A), addr:$dst)]>,
2120 TB; // [mem8] = > signed
2122 def SETSr : I<0x98, MRM0r,
2125 [(set GR8:$dst, (X86setcc X86_COND_S))]>,
2126 TB; // GR8 = <sign bit>
2127 def SETSm : I<0x98, MRM0m,
2130 [(store (X86setcc X86_COND_S), addr:$dst)]>,
2131 TB; // [mem8] = <sign bit>
2132 def SETNSr : I<0x99, MRM0r,
2135 [(set GR8:$dst, (X86setcc X86_COND_NS))]>,
2136 TB; // GR8 = !<sign bit>
2137 def SETNSm : I<0x99, MRM0m,
2140 [(store (X86setcc X86_COND_NS), addr:$dst)]>,
2141 TB; // [mem8] = !<sign bit>
2142 def SETPr : I<0x9A, MRM0r,
2145 [(set GR8:$dst, (X86setcc X86_COND_P))]>,
2147 def SETPm : I<0x9A, MRM0m,
2150 [(store (X86setcc X86_COND_P), addr:$dst)]>,
2151 TB; // [mem8] = parity
2152 def SETNPr : I<0x9B, MRM0r,
2155 [(set GR8:$dst, (X86setcc X86_COND_NP))]>,
2156 TB; // GR8 = not parity
2157 def SETNPm : I<0x9B, MRM0m,
2160 [(store (X86setcc X86_COND_NP), addr:$dst)]>,
2161 TB; // [mem8] = not parity
2163 // Integer comparisons
2164 def CMP8rr : I<0x38, MRMDestReg,
2165 (ops GR8 :$src1, GR8 :$src2),
2166 "cmp{b} {$src2, $src1|$src1, $src2}",
2167 [(X86cmp GR8:$src1, GR8:$src2)]>;
2168 def CMP16rr : I<0x39, MRMDestReg,
2169 (ops GR16:$src1, GR16:$src2),
2170 "cmp{w} {$src2, $src1|$src1, $src2}",
2171 [(X86cmp GR16:$src1, GR16:$src2)]>, OpSize;
2172 def CMP32rr : I<0x39, MRMDestReg,
2173 (ops GR32:$src1, GR32:$src2),
2174 "cmp{l} {$src2, $src1|$src1, $src2}",
2175 [(X86cmp GR32:$src1, GR32:$src2)]>;
2176 def CMP8mr : I<0x38, MRMDestMem,
2177 (ops i8mem :$src1, GR8 :$src2),
2178 "cmp{b} {$src2, $src1|$src1, $src2}",
2179 [(X86cmp (loadi8 addr:$src1), GR8:$src2)]>;
2180 def CMP16mr : I<0x39, MRMDestMem,
2181 (ops i16mem:$src1, GR16:$src2),
2182 "cmp{w} {$src2, $src1|$src1, $src2}",
2183 [(X86cmp (loadi16 addr:$src1), GR16:$src2)]>, OpSize;
2184 def CMP32mr : I<0x39, MRMDestMem,
2185 (ops i32mem:$src1, GR32:$src2),
2186 "cmp{l} {$src2, $src1|$src1, $src2}",
2187 [(X86cmp (loadi32 addr:$src1), GR32:$src2)]>;
2188 def CMP8rm : I<0x3A, MRMSrcMem,
2189 (ops GR8 :$src1, i8mem :$src2),
2190 "cmp{b} {$src2, $src1|$src1, $src2}",
2191 [(X86cmp GR8:$src1, (loadi8 addr:$src2))]>;
2192 def CMP16rm : I<0x3B, MRMSrcMem,
2193 (ops GR16:$src1, i16mem:$src2),
2194 "cmp{w} {$src2, $src1|$src1, $src2}",
2195 [(X86cmp GR16:$src1, (loadi16 addr:$src2))]>, OpSize;
2196 def CMP32rm : I<0x3B, MRMSrcMem,
2197 (ops GR32:$src1, i32mem:$src2),
2198 "cmp{l} {$src2, $src1|$src1, $src2}",
2199 [(X86cmp GR32:$src1, (loadi32 addr:$src2))]>;
2200 def CMP8ri : Ii8<0x80, MRM7r,
2201 (ops GR8:$src1, i8imm:$src2),
2202 "cmp{b} {$src2, $src1|$src1, $src2}",
2203 [(X86cmp GR8:$src1, imm:$src2)]>;
2204 def CMP16ri : Ii16<0x81, MRM7r,
2205 (ops GR16:$src1, i16imm:$src2),
2206 "cmp{w} {$src2, $src1|$src1, $src2}",
2207 [(X86cmp GR16:$src1, imm:$src2)]>, OpSize;
2208 def CMP32ri : Ii32<0x81, MRM7r,
2209 (ops GR32:$src1, i32imm:$src2),
2210 "cmp{l} {$src2, $src1|$src1, $src2}",
2211 [(X86cmp GR32:$src1, imm:$src2)]>;
2212 def CMP8mi : Ii8 <0x80, MRM7m,
2213 (ops i8mem :$src1, i8imm :$src2),
2214 "cmp{b} {$src2, $src1|$src1, $src2}",
2215 [(X86cmp (loadi8 addr:$src1), imm:$src2)]>;
2216 def CMP16mi : Ii16<0x81, MRM7m,
2217 (ops i16mem:$src1, i16imm:$src2),
2218 "cmp{w} {$src2, $src1|$src1, $src2}",
2219 [(X86cmp (loadi16 addr:$src1), imm:$src2)]>, OpSize;
2220 def CMP32mi : Ii32<0x81, MRM7m,
2221 (ops i32mem:$src1, i32imm:$src2),
2222 "cmp{l} {$src2, $src1|$src1, $src2}",
2223 [(X86cmp (loadi32 addr:$src1), imm:$src2)]>;
2224 def CMP16ri8 : Ii8<0x83, MRM7r,
2225 (ops GR16:$src1, i16i8imm:$src2),
2226 "cmp{w} {$src2, $src1|$src1, $src2}",
2227 [(X86cmp GR16:$src1, i16immSExt8:$src2)]>, OpSize;
2228 def CMP16mi8 : Ii8<0x83, MRM7m,
2229 (ops i16mem:$src1, i16i8imm:$src2),
2230 "cmp{w} {$src2, $src1|$src1, $src2}",
2231 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2)]>, OpSize;
2232 def CMP32mi8 : Ii8<0x83, MRM7m,
2233 (ops i32mem:$src1, i32i8imm:$src2),
2234 "cmp{l} {$src2, $src1|$src1, $src2}",
2235 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2)]>;
2236 def CMP32ri8 : Ii8<0x83, MRM7r,
2237 (ops GR32:$src1, i32i8imm:$src2),
2238 "cmp{l} {$src2, $src1|$src1, $src2}",
2239 [(X86cmp GR32:$src1, i32immSExt8:$src2)]>;
2241 // Sign/Zero extenders
2242 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops GR16:$dst, GR8 :$src),
2243 "movs{bw|x} {$src, $dst|$dst, $src}",
2244 [(set GR16:$dst, (sext GR8:$src))]>, TB, OpSize;
2245 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops GR16:$dst, i8mem :$src),
2246 "movs{bw|x} {$src, $dst|$dst, $src}",
2247 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2248 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops GR32:$dst, GR8 :$src),
2249 "movs{bl|x} {$src, $dst|$dst, $src}",
2250 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2251 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops GR32:$dst, i8mem :$src),
2252 "movs{bl|x} {$src, $dst|$dst, $src}",
2253 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2254 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops GR32:$dst, GR16:$src),
2255 "movs{wl|x} {$src, $dst|$dst, $src}",
2256 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2257 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops GR32:$dst, i16mem:$src),
2258 "movs{wl|x} {$src, $dst|$dst, $src}",
2259 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2261 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops GR16:$dst, GR8 :$src),
2262 "movz{bw|x} {$src, $dst|$dst, $src}",
2263 [(set GR16:$dst, (zext GR8:$src))]>, TB, OpSize;
2264 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops GR16:$dst, i8mem :$src),
2265 "movz{bw|x} {$src, $dst|$dst, $src}",
2266 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2267 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops GR32:$dst, GR8 :$src),
2268 "movz{bl|x} {$src, $dst|$dst, $src}",
2269 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2270 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops GR32:$dst, i8mem :$src),
2271 "movz{bl|x} {$src, $dst|$dst, $src}",
2272 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2273 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops GR32:$dst, GR16:$src),
2274 "movz{wl|x} {$src, $dst|$dst, $src}",
2275 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2276 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops GR32:$dst, i16mem:$src),
2277 "movz{wl|x} {$src, $dst|$dst, $src}",
2278 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2280 def CBW : I<0x98, RawFrm, (ops),
2281 "{cbtw|cbw}", []>, Imp<[AL],[AX]>; // AX = signext(AL)
2282 def CWDE : I<0x98, RawFrm, (ops),
2283 "{cwtl|cwde}", []>, Imp<[AX],[EAX]>; // EAX = signext(AX)
2285 def CWD : I<0x99, RawFrm, (ops),
2286 "{cwtd|cwd}", []>, Imp<[AX],[AX,DX]>; // DX:AX = signext(AX)
2287 def CDQ : I<0x99, RawFrm, (ops),
2288 "{cltd|cdq}", []>, Imp<[EAX],[EAX,EDX]>; // EDX:EAX = signext(EAX)
2290 //===----------------------------------------------------------------------===//
2291 // Miscellaneous Instructions
2292 //===----------------------------------------------------------------------===//
2294 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
2295 TB, Imp<[],[EAX,EDX]>;
2297 //===----------------------------------------------------------------------===//
2298 // Alias Instructions
2299 //===----------------------------------------------------------------------===//
2301 // Alias instructions that map movr0 to xor.
2302 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2303 def MOV8r0 : I<0x30, MRMInitReg, (ops GR8 :$dst),
2304 "xor{b} $dst, $dst",
2305 [(set GR8:$dst, 0)]>;
2306 def MOV16r0 : I<0x31, MRMInitReg, (ops GR16:$dst),
2307 "xor{w} $dst, $dst",
2308 [(set GR16:$dst, 0)]>, OpSize;
2309 def MOV32r0 : I<0x31, MRMInitReg, (ops GR32:$dst),
2310 "xor{l} $dst, $dst",
2311 [(set GR32:$dst, 0)]>;
2313 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2314 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2315 def MOV16to16_ : I<0x89, MRMDestReg, (ops GR16_:$dst, GR16:$src),
2316 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2317 def MOV32to32_ : I<0x89, MRMDestReg, (ops GR32_:$dst, GR32:$src),
2318 "mov{l} {$src, $dst|$dst, $src}", []>;
2320 def MOV16_rr : I<0x89, MRMDestReg, (ops GR16_:$dst, GR16_:$src),
2321 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2322 def MOV32_rr : I<0x89, MRMDestReg, (ops GR32_:$dst, GR32_:$src),
2323 "mov{l} {$src, $dst|$dst, $src}", []>;
2324 def MOV16_rm : I<0x8B, MRMSrcMem, (ops GR16_:$dst, i16mem:$src),
2325 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2326 def MOV32_rm : I<0x8B, MRMSrcMem, (ops GR32_:$dst, i32mem:$src),
2327 "mov{l} {$src, $dst|$dst, $src}", []>;
2328 def MOV16_mr : I<0x89, MRMDestMem, (ops i16mem:$dst, GR16_:$src),
2329 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2330 def MOV32_mr : I<0x89, MRMDestMem, (ops i32mem:$dst, GR32_:$src),
2331 "mov{l} {$src, $dst|$dst, $src}", []>;
2333 //===----------------------------------------------------------------------===//
2334 // DWARF Pseudo Instructions
2337 def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
2338 "; .loc $file, $line, $col",
2339 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2342 def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id),
2343 "\nLdebug_loc${id:debug}:",
2344 [(dwarf_label (i32 imm:$id))]>;
2346 //===----------------------------------------------------------------------===//
2347 // Non-Instruction Patterns
2348 //===----------------------------------------------------------------------===//
2350 // ConstantPool GlobalAddress, ExternalSymbol
2351 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2352 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2353 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2354 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2356 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2357 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2358 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2359 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2360 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2361 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2362 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2363 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2365 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2366 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2367 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2368 (MOV32mi addr:$dst, texternalsym:$src)>;
2371 def : Pat<(X86tailcall GR32:$dst),
2372 (CALL32r GR32:$dst)>;
2374 def : Pat<(X86tailcall tglobaladdr:$dst),
2375 (CALLpcrel32 tglobaladdr:$dst)>;
2376 def : Pat<(X86tailcall texternalsym:$dst),
2377 (CALLpcrel32 texternalsym:$dst)>;
2381 def : Pat<(X86call tglobaladdr:$dst),
2382 (CALLpcrel32 tglobaladdr:$dst)>;
2383 def : Pat<(X86call texternalsym:$dst),
2384 (CALLpcrel32 texternalsym:$dst)>;
2386 // X86 specific add which produces a flag.
2387 def : Pat<(addc GR32:$src1, GR32:$src2),
2388 (ADD32rr GR32:$src1, GR32:$src2)>;
2389 def : Pat<(addc GR32:$src1, (load addr:$src2)),
2390 (ADD32rm GR32:$src1, addr:$src2)>;
2391 def : Pat<(addc GR32:$src1, imm:$src2),
2392 (ADD32ri GR32:$src1, imm:$src2)>;
2393 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
2394 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
2396 def : Pat<(subc GR32:$src1, GR32:$src2),
2397 (SUB32rr GR32:$src1, GR32:$src2)>;
2398 def : Pat<(subc GR32:$src1, (load addr:$src2)),
2399 (SUB32rm GR32:$src1, addr:$src2)>;
2400 def : Pat<(subc GR32:$src1, imm:$src2),
2401 (SUB32ri GR32:$src1, imm:$src2)>;
2402 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
2403 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
2405 def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
2406 (MOV8mi addr:$dst, imm:$src)>;
2407 def : Pat<(truncstore GR8:$src, addr:$dst, i1),
2408 (MOV8mr addr:$dst, GR8:$src)>;
2410 // {s|z}extload bool -> {s|z}extload byte
2411 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2412 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2413 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2414 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2415 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2417 // extload bool -> extload byte
2418 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2419 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2420 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2421 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
2422 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2423 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2426 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
2427 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
2428 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
2429 def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
2430 def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
2431 def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
2433 //===----------------------------------------------------------------------===//
2435 //===----------------------------------------------------------------------===//
2437 // (shl x, 1) ==> (add x, x)
2438 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
2439 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
2440 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
2442 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2443 def : Pat<(or (srl GR32:$src1, CL:$amt),
2444 (shl GR32:$src2, (sub 32, CL:$amt))),
2445 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
2447 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2448 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2449 (SHRD32mrCL addr:$dst, GR32:$src2)>;
2451 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2452 def : Pat<(or (shl GR32:$src1, CL:$amt),
2453 (srl GR32:$src2, (sub 32, CL:$amt))),
2454 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
2456 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2457 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2458 (SHLD32mrCL addr:$dst, GR32:$src2)>;
2460 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2461 def : Pat<(or (srl GR16:$src1, CL:$amt),
2462 (shl GR16:$src2, (sub 16, CL:$amt))),
2463 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
2465 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2466 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2467 (SHRD16mrCL addr:$dst, GR16:$src2)>;
2469 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2470 def : Pat<(or (shl GR16:$src1, CL:$amt),
2471 (srl GR16:$src2, (sub 16, CL:$amt))),
2472 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
2474 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2475 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2476 (SHLD16mrCL addr:$dst, GR16:$src2)>;
2479 //===----------------------------------------------------------------------===//
2480 // Floating Point Stack Support
2481 //===----------------------------------------------------------------------===//
2483 include "X86InstrFPStack.td"
2485 //===----------------------------------------------------------------------===//
2486 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2487 //===----------------------------------------------------------------------===//
2489 include "X86InstrMMX.td"
2491 //===----------------------------------------------------------------------===//
2492 // XMM Floating point support (requires SSE / SSE2)
2493 //===----------------------------------------------------------------------===//
2495 include "X86InstrSSE.td"