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<i32> {
98 let PrintMethod = printMethod;
99 let NumMIOperands = 4;
100 let MIOperandInfo = (ops R32, i8imm, R32, 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<i32, 4, "SelectAddr", []>;
135 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
136 [add, mul, shl, 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 (int)N->getValue() == (signed char)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 (int)N->getValue() == (signed char)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 (unsigned)N->getValue() == (unsigned char)N->getValue();
286 // Helper fragments for loads.
287 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
288 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
289 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
290 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
292 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
293 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
295 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
296 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
297 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
298 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
299 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
301 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextload node:$ptr, i1))>;
302 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
303 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
304 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
305 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
306 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
308 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
309 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extload node:$ptr, i1))>;
310 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i1))>;
311 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extload node:$ptr, i8))>;
312 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i8))>;
313 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i16))>;
315 //===----------------------------------------------------------------------===//
316 // Instruction templates...
318 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
319 : X86Inst<o, f, NoImm, ops, asm> {
320 let Pattern = pattern;
322 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
323 : X86Inst<o, f, Imm8 , ops, asm> {
324 let Pattern = pattern;
326 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
327 : X86Inst<o, f, Imm16, ops, asm> {
328 let Pattern = pattern;
330 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
331 : X86Inst<o, f, Imm32, ops, asm> {
332 let Pattern = pattern;
335 //===----------------------------------------------------------------------===//
336 // Instruction list...
339 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
340 [(X86callseq_start imm:$amt)]>;
341 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
343 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
344 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
345 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
346 def IMPLICIT_DEF_R8 : I<0, Pseudo, (ops R8:$dst),
347 "#IMPLICIT_DEF $dst",
348 [(set R8:$dst, (undef))]>;
349 def IMPLICIT_DEF_R16 : I<0, Pseudo, (ops R16:$dst),
350 "#IMPLICIT_DEF $dst",
351 [(set R16:$dst, (undef))]>;
352 def IMPLICIT_DEF_R32 : I<0, Pseudo, (ops R32:$dst),
353 "#IMPLICIT_DEF $dst",
354 [(set R32:$dst, (undef))]>;
357 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
360 def TRUNC_R32_R8 : I<0x88, MRMDestReg, (ops R8:$dst, R32_:$src),
361 "mov{b} {${src:trunc8}, $dst|$dst, ${src:trunc8}", []>;
362 def TRUNC_R16_R8 : I<0x88, MRMDestReg, (ops R8:$dst, R16_:$src),
363 "mov{b} {${src:trunc8}, $dst|$dst, ${src:trunc8}}", []>;
364 def TRUNC_R32_R16 : I<0x89, MRMDestReg, (ops R16:$dst, R32:$src),
365 "mov{w} {${src:trunc16}, $dst|$dst, ${src:trunc16}}",
366 [(set R16:$dst, (trunc R32:$src))]>;
368 //===----------------------------------------------------------------------===//
369 // Control Flow Instructions...
372 // Return instructions.
373 let isTerminator = 1, isReturn = 1, isBarrier = 1,
374 hasCtrlDep = 1, noResults = 1 in {
375 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
376 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
377 [(X86retflag imm:$amt)]>;
380 // All branches are RawFrm, Void, Branch, and Terminators
381 let isBranch = 1, isTerminator = 1, noResults = 1 in
382 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
383 I<opcode, RawFrm, ops, asm, pattern>;
387 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
389 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
390 def JMP32r : I<0xFF, MRM4r, (ops R32:$dst), "jmp{l} {*}$dst",
392 def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst",
393 [(brind (loadi32 addr:$dst))]>;
396 // Conditional branches
397 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
398 [(X86brcond bb:$dst, X86_COND_E)]>, TB;
399 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
400 [(X86brcond bb:$dst, X86_COND_NE)]>, TB;
401 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
402 [(X86brcond bb:$dst, X86_COND_L)]>, TB;
403 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
404 [(X86brcond bb:$dst, X86_COND_LE)]>, TB;
405 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
406 [(X86brcond bb:$dst, X86_COND_G)]>, TB;
407 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
408 [(X86brcond bb:$dst, X86_COND_GE)]>, TB;
410 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
411 [(X86brcond bb:$dst, X86_COND_B)]>, TB;
412 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
413 [(X86brcond bb:$dst, X86_COND_BE)]>, TB;
414 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
415 [(X86brcond bb:$dst, X86_COND_A)]>, TB;
416 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
417 [(X86brcond bb:$dst, X86_COND_AE)]>, TB;
419 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
420 [(X86brcond bb:$dst, X86_COND_S)]>, TB;
421 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
422 [(X86brcond bb:$dst, X86_COND_NS)]>, TB;
423 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
424 [(X86brcond bb:$dst, X86_COND_P)]>, TB;
425 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
426 [(X86brcond bb:$dst, X86_COND_NP)]>, TB;
427 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
428 [(X86brcond bb:$dst, X86_COND_O)]>, TB;
429 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
430 [(X86brcond bb:$dst, X86_COND_NO)]>, TB;
432 //===----------------------------------------------------------------------===//
433 // Call Instructions...
435 let isCall = 1, noResults = 1 in
436 // All calls clobber the non-callee saved registers...
437 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
438 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
439 def CALLpcrel32 : I<0xE8, RawFrm, (ops i32imm:$dst), "call ${dst:call}",
441 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
442 [(X86call R32:$dst)]>;
443 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
444 [(X86call (loadi32 addr:$dst))]>;
448 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
449 def TAILJMPd : IBr<0xE9, (ops i32imm:$dst), "jmp ${dst:call} # TAIL CALL", []>;
450 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
451 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
452 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
453 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
454 "jmp {*}$dst # TAIL CALL", []>;
456 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
457 // way, except that it is marked as being a terminator. This causes the epilog
458 // inserter to insert reloads of callee saved registers BEFORE this. We need
459 // this until we have a more accurate way of tracking where the stack pointer is
460 // within a function.
461 let isTerminator = 1, isTwoAddress = 1 in
462 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
463 "add{l} {$src2, $dst|$dst, $src2}", []>;
465 //===----------------------------------------------------------------------===//
466 // Miscellaneous Instructions...
468 def LEAVE : I<0xC9, RawFrm,
469 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
470 def POP32r : I<0x58, AddRegFrm,
471 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
473 def MovePCtoStack : I<0, Pseudo, (ops piclabel:$label),
476 let isTwoAddress = 1 in // R32 = bswap R32
477 def BSWAP32r : I<0xC8, AddRegFrm,
478 (ops R32:$dst, R32:$src),
480 [(set R32:$dst, (bswap R32:$src))]>, TB;
482 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
483 (ops R8:$src1, R8:$src2),
484 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
485 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
486 (ops R16:$src1, R16:$src2),
487 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
488 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
489 (ops R32:$src1, R32:$src2),
490 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
492 def XCHG8mr : I<0x86, MRMDestMem,
493 (ops i8mem:$src1, R8:$src2),
494 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
495 def XCHG16mr : I<0x87, MRMDestMem,
496 (ops i16mem:$src1, R16:$src2),
497 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
498 def XCHG32mr : I<0x87, MRMDestMem,
499 (ops i32mem:$src1, R32:$src2),
500 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
501 def XCHG8rm : I<0x86, MRMSrcMem,
502 (ops R8:$src1, i8mem:$src2),
503 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
504 def XCHG16rm : I<0x87, MRMSrcMem,
505 (ops R16:$src1, i16mem:$src2),
506 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
507 def XCHG32rm : I<0x87, MRMSrcMem,
508 (ops R32:$src1, i32mem:$src2),
509 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
511 def LEA16r : I<0x8D, MRMSrcMem,
512 (ops R16:$dst, i32mem:$src),
513 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
514 def LEA32r : I<0x8D, MRMSrcMem,
515 (ops R32:$dst, i32mem:$src),
516 "lea{l} {$src|$dst}, {$dst|$src}",
517 [(set R32:$dst, leaaddr:$src)]>;
519 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
521 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
522 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
523 [(X86rep_movs i16)]>,
524 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
525 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}",
526 [(X86rep_movs i32)]>,
527 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
529 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
531 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
532 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
533 [(X86rep_stos i16)]>,
534 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
535 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
536 [(X86rep_stos i32)]>,
537 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
540 //===----------------------------------------------------------------------===//
541 // Input/Output Instructions...
543 def IN8rr : I<0xEC, RawFrm, (ops),
544 "in{b} {%dx, %al|%AL, %DX}",
545 []>, Imp<[DX], [AL]>;
546 def IN16rr : I<0xED, RawFrm, (ops),
547 "in{w} {%dx, %ax|%AX, %DX}",
548 []>, Imp<[DX], [AX]>, OpSize;
549 def IN32rr : I<0xED, RawFrm, (ops),
550 "in{l} {%dx, %eax|%EAX, %DX}",
551 []>, Imp<[DX],[EAX]>;
553 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
554 "in{b} {$port, %al|%AL, $port}",
557 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
558 "in{w} {$port, %ax|%AX, $port}",
560 Imp<[], [AX]>, OpSize;
561 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
562 "in{l} {$port, %eax|%EAX, $port}",
566 def OUT8rr : I<0xEE, RawFrm, (ops),
567 "out{b} {%al, %dx|%DX, %AL}",
568 []>, Imp<[DX, AL], []>;
569 def OUT16rr : I<0xEF, RawFrm, (ops),
570 "out{w} {%ax, %dx|%DX, %AX}",
571 []>, Imp<[DX, AX], []>, OpSize;
572 def OUT32rr : I<0xEF, RawFrm, (ops),
573 "out{l} {%eax, %dx|%DX, %EAX}",
574 []>, Imp<[DX, EAX], []>;
576 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
577 "out{b} {%al, $port|$port, %AL}",
580 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
581 "out{w} {%ax, $port|$port, %AX}",
583 Imp<[AX], []>, OpSize;
584 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
585 "out{l} {%eax, $port|$port, %EAX}",
589 //===----------------------------------------------------------------------===//
590 // Move Instructions...
592 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
593 "mov{b} {$src, $dst|$dst, $src}", []>;
594 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
595 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
596 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
597 "mov{l} {$src, $dst|$dst, $src}", []>;
598 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
599 "mov{b} {$src, $dst|$dst, $src}",
600 [(set R8:$dst, imm:$src)]>;
601 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
602 "mov{w} {$src, $dst|$dst, $src}",
603 [(set R16:$dst, imm:$src)]>, OpSize;
604 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
605 "mov{l} {$src, $dst|$dst, $src}",
606 [(set R32:$dst, imm:$src)]>;
607 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
608 "mov{b} {$src, $dst|$dst, $src}",
609 [(store (i8 imm:$src), addr:$dst)]>;
610 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
611 "mov{w} {$src, $dst|$dst, $src}",
612 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
613 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
614 "mov{l} {$src, $dst|$dst, $src}",
615 [(store (i32 imm:$src), addr:$dst)]>;
617 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
618 "mov{b} {$src, $dst|$dst, $src}",
619 [(set R8:$dst, (load addr:$src))]>;
620 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
621 "mov{w} {$src, $dst|$dst, $src}",
622 [(set R16:$dst, (load addr:$src))]>, OpSize;
623 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
624 "mov{l} {$src, $dst|$dst, $src}",
625 [(set R32:$dst, (load addr:$src))]>;
627 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
628 "mov{b} {$src, $dst|$dst, $src}",
629 [(store R8:$src, addr:$dst)]>;
630 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
631 "mov{w} {$src, $dst|$dst, $src}",
632 [(store R16:$src, addr:$dst)]>, OpSize;
633 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
634 "mov{l} {$src, $dst|$dst, $src}",
635 [(store R32:$src, addr:$dst)]>;
637 //===----------------------------------------------------------------------===//
638 // Fixed-Register Multiplication and Division Instructions...
641 // Extra precision multiplication
642 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src",
643 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
644 // This probably ought to be moved to a def : Pat<> if the
645 // syntax can be accepted.
646 [(set AL, (mul AL, R8:$src))]>,
647 Imp<[AL],[AX]>; // AL,AH = AL*R8
648 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
649 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
650 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
651 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
652 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
654 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
655 // This probably ought to be moved to a def : Pat<> if the
656 // syntax can be accepted.
657 [(set AL, (mul AL, (loadi8 addr:$src)))]>,
658 Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
659 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
660 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
661 OpSize; // AX,DX = AX*[mem16]
662 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
663 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
665 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
666 Imp<[AL],[AX]>; // AL,AH = AL*R8
667 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
668 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
669 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
670 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
671 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
672 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
673 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
674 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
675 OpSize; // AX,DX = AX*[mem16]
676 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
678 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
680 // unsigned division/remainder
681 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
682 "div{b} $src", []>, Imp<[AX],[AX]>;
683 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
684 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
685 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
686 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
687 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
688 "div{b} $src", []>, Imp<[AX],[AX]>;
689 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
690 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
691 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
692 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
694 // Signed division/remainder.
695 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
696 "idiv{b} $src", []>, Imp<[AX],[AX]>;
697 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
698 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
699 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
700 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
701 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
702 "idiv{b} $src", []>, Imp<[AX],[AX]>;
703 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
704 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
705 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
706 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
708 // Sign-extenders for division.
709 def CBW : I<0x98, RawFrm, (ops),
710 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
711 def CWD : I<0x99, RawFrm, (ops),
712 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
713 def CDQ : I<0x99, RawFrm, (ops),
714 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
717 //===----------------------------------------------------------------------===//
718 // Two address Instructions...
720 let isTwoAddress = 1 in {
723 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
724 (ops R16:$dst, R16:$src1, R16:$src2),
725 "cmovb {$src2, $dst|$dst, $src2}",
726 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
729 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
730 (ops R16:$dst, R16:$src1, i16mem:$src2),
731 "cmovb {$src2, $dst|$dst, $src2}",
732 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
735 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
736 (ops R32:$dst, R32:$src1, R32:$src2),
737 "cmovb {$src2, $dst|$dst, $src2}",
738 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
741 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
742 (ops R32:$dst, R32:$src1, i32mem:$src2),
743 "cmovb {$src2, $dst|$dst, $src2}",
744 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
748 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
749 (ops R16:$dst, R16:$src1, R16:$src2),
750 "cmovae {$src2, $dst|$dst, $src2}",
751 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
754 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
755 (ops R16:$dst, R16:$src1, i16mem:$src2),
756 "cmovae {$src2, $dst|$dst, $src2}",
757 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
760 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
761 (ops R32:$dst, R32:$src1, R32:$src2),
762 "cmovae {$src2, $dst|$dst, $src2}",
763 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
766 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
767 (ops R32:$dst, R32:$src1, i32mem:$src2),
768 "cmovae {$src2, $dst|$dst, $src2}",
769 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
773 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
774 (ops R16:$dst, R16:$src1, R16:$src2),
775 "cmove {$src2, $dst|$dst, $src2}",
776 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
779 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
780 (ops R16:$dst, R16:$src1, i16mem:$src2),
781 "cmove {$src2, $dst|$dst, $src2}",
782 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
785 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
786 (ops R32:$dst, R32:$src1, R32:$src2),
787 "cmove {$src2, $dst|$dst, $src2}",
788 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
791 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
792 (ops R32:$dst, R32:$src1, i32mem:$src2),
793 "cmove {$src2, $dst|$dst, $src2}",
794 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
798 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
799 (ops R16:$dst, R16:$src1, R16:$src2),
800 "cmovne {$src2, $dst|$dst, $src2}",
801 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
804 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
805 (ops R16:$dst, R16:$src1, i16mem:$src2),
806 "cmovne {$src2, $dst|$dst, $src2}",
807 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
810 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
811 (ops R32:$dst, R32:$src1, R32:$src2),
812 "cmovne {$src2, $dst|$dst, $src2}",
813 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
816 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
817 (ops R32:$dst, R32:$src1, i32mem:$src2),
818 "cmovne {$src2, $dst|$dst, $src2}",
819 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
823 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
824 (ops R16:$dst, R16:$src1, R16:$src2),
825 "cmovbe {$src2, $dst|$dst, $src2}",
826 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
829 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
830 (ops R16:$dst, R16:$src1, i16mem:$src2),
831 "cmovbe {$src2, $dst|$dst, $src2}",
832 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
835 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
836 (ops R32:$dst, R32:$src1, R32:$src2),
837 "cmovbe {$src2, $dst|$dst, $src2}",
838 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
841 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
842 (ops R32:$dst, R32:$src1, i32mem:$src2),
843 "cmovbe {$src2, $dst|$dst, $src2}",
844 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
848 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
849 (ops R16:$dst, R16:$src1, R16:$src2),
850 "cmova {$src2, $dst|$dst, $src2}",
851 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
854 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
855 (ops R16:$dst, R16:$src1, i16mem:$src2),
856 "cmova {$src2, $dst|$dst, $src2}",
857 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
860 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
861 (ops R32:$dst, R32:$src1, R32:$src2),
862 "cmova {$src2, $dst|$dst, $src2}",
863 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
866 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
867 (ops R32:$dst, R32:$src1, i32mem:$src2),
868 "cmova {$src2, $dst|$dst, $src2}",
869 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
873 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
874 (ops R16:$dst, R16:$src1, R16:$src2),
875 "cmovl {$src2, $dst|$dst, $src2}",
876 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
879 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
880 (ops R16:$dst, R16:$src1, i16mem:$src2),
881 "cmovl {$src2, $dst|$dst, $src2}",
882 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
885 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
886 (ops R32:$dst, R32:$src1, R32:$src2),
887 "cmovl {$src2, $dst|$dst, $src2}",
888 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
891 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
892 (ops R32:$dst, R32:$src1, i32mem:$src2),
893 "cmovl {$src2, $dst|$dst, $src2}",
894 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
898 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
899 (ops R16:$dst, R16:$src1, R16:$src2),
900 "cmovge {$src2, $dst|$dst, $src2}",
901 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
904 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
905 (ops R16:$dst, R16:$src1, i16mem:$src2),
906 "cmovge {$src2, $dst|$dst, $src2}",
907 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
910 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
911 (ops R32:$dst, R32:$src1, R32:$src2),
912 "cmovge {$src2, $dst|$dst, $src2}",
913 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
916 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
917 (ops R32:$dst, R32:$src1, i32mem:$src2),
918 "cmovge {$src2, $dst|$dst, $src2}",
919 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
923 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
924 (ops R16:$dst, R16:$src1, R16:$src2),
925 "cmovle {$src2, $dst|$dst, $src2}",
926 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
929 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
930 (ops R16:$dst, R16:$src1, i16mem:$src2),
931 "cmovle {$src2, $dst|$dst, $src2}",
932 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
935 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
936 (ops R32:$dst, R32:$src1, R32:$src2),
937 "cmovle {$src2, $dst|$dst, $src2}",
938 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
941 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
942 (ops R32:$dst, R32:$src1, i32mem:$src2),
943 "cmovle {$src2, $dst|$dst, $src2}",
944 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
948 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
949 (ops R16:$dst, R16:$src1, R16:$src2),
950 "cmovg {$src2, $dst|$dst, $src2}",
951 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
954 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
955 (ops R16:$dst, R16:$src1, i16mem:$src2),
956 "cmovg {$src2, $dst|$dst, $src2}",
957 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
960 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
961 (ops R32:$dst, R32:$src1, R32:$src2),
962 "cmovg {$src2, $dst|$dst, $src2}",
963 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
966 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
967 (ops R32:$dst, R32:$src1, i32mem:$src2),
968 "cmovg {$src2, $dst|$dst, $src2}",
969 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
973 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
974 (ops R16:$dst, R16:$src1, R16:$src2),
975 "cmovs {$src2, $dst|$dst, $src2}",
976 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
979 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
980 (ops R16:$dst, R16:$src1, i16mem:$src2),
981 "cmovs {$src2, $dst|$dst, $src2}",
982 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
985 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
986 (ops R32:$dst, R32:$src1, R32:$src2),
987 "cmovs {$src2, $dst|$dst, $src2}",
988 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
991 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
992 (ops R32:$dst, R32:$src1, i32mem:$src2),
993 "cmovs {$src2, $dst|$dst, $src2}",
994 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
998 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
999 (ops R16:$dst, R16:$src1, R16:$src2),
1000 "cmovns {$src2, $dst|$dst, $src2}",
1001 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1004 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
1005 (ops R16:$dst, R16:$src1, i16mem:$src2),
1006 "cmovns {$src2, $dst|$dst, $src2}",
1007 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1010 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
1011 (ops R32:$dst, R32:$src1, R32:$src2),
1012 "cmovns {$src2, $dst|$dst, $src2}",
1013 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1016 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
1017 (ops R32:$dst, R32:$src1, i32mem:$src2),
1018 "cmovns {$src2, $dst|$dst, $src2}",
1019 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1023 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
1024 (ops R16:$dst, R16:$src1, R16:$src2),
1025 "cmovp {$src2, $dst|$dst, $src2}",
1026 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1029 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
1030 (ops R16:$dst, R16:$src1, i16mem:$src2),
1031 "cmovp {$src2, $dst|$dst, $src2}",
1032 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1035 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
1036 (ops R32:$dst, R32:$src1, R32:$src2),
1037 "cmovp {$src2, $dst|$dst, $src2}",
1038 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1041 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
1042 (ops R32:$dst, R32:$src1, i32mem:$src2),
1043 "cmovp {$src2, $dst|$dst, $src2}",
1044 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1048 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
1049 (ops R16:$dst, R16:$src1, R16:$src2),
1050 "cmovnp {$src2, $dst|$dst, $src2}",
1051 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1054 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
1055 (ops R16:$dst, R16:$src1, i16mem:$src2),
1056 "cmovnp {$src2, $dst|$dst, $src2}",
1057 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1060 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
1061 (ops R32:$dst, R32:$src1, R32:$src2),
1062 "cmovnp {$src2, $dst|$dst, $src2}",
1063 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1066 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
1067 (ops R32:$dst, R32:$src1, i32mem:$src2),
1068 "cmovnp {$src2, $dst|$dst, $src2}",
1069 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1074 // unary instructions
1075 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
1076 [(set R8:$dst, (ineg R8:$src))]>;
1077 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
1078 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
1079 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
1080 [(set R32:$dst, (ineg R32:$src))]>;
1081 let isTwoAddress = 0 in {
1082 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1083 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1084 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1085 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1086 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1087 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1091 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
1092 [(set R8:$dst, (not R8:$src))]>;
1093 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
1094 [(set R16:$dst, (not R16:$src))]>, OpSize;
1095 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
1096 [(set R32:$dst, (not R32:$src))]>;
1097 let isTwoAddress = 0 in {
1098 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1099 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1100 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1101 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1102 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1103 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1106 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1107 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
1108 [(set R8:$dst, (add R8:$src, 1))]>;
1109 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1110 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
1111 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
1112 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
1113 [(set R32:$dst, (add R32:$src, 1))]>;
1115 let isTwoAddress = 0 in {
1116 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1117 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1118 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1119 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1120 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1121 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1124 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
1125 [(set R8:$dst, (add R8:$src, -1))]>;
1126 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1127 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
1128 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
1129 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
1130 [(set R32:$dst, (add R32:$src, -1))]>;
1133 let isTwoAddress = 0 in {
1134 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1135 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1136 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1137 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1138 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1139 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1142 // Logical operators...
1143 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1144 def AND8rr : I<0x20, MRMDestReg,
1145 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1146 "and{b} {$src2, $dst|$dst, $src2}",
1147 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
1148 def AND16rr : I<0x21, MRMDestReg,
1149 (ops R16:$dst, R16:$src1, R16:$src2),
1150 "and{w} {$src2, $dst|$dst, $src2}",
1151 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
1152 def AND32rr : I<0x21, MRMDestReg,
1153 (ops R32:$dst, R32:$src1, R32:$src2),
1154 "and{l} {$src2, $dst|$dst, $src2}",
1155 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
1158 def AND8rm : I<0x22, MRMSrcMem,
1159 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1160 "and{b} {$src2, $dst|$dst, $src2}",
1161 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
1162 def AND16rm : I<0x23, MRMSrcMem,
1163 (ops R16:$dst, R16:$src1, i16mem:$src2),
1164 "and{w} {$src2, $dst|$dst, $src2}",
1165 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
1166 def AND32rm : I<0x23, MRMSrcMem,
1167 (ops R32:$dst, R32:$src1, i32mem:$src2),
1168 "and{l} {$src2, $dst|$dst, $src2}",
1169 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
1171 def AND8ri : Ii8<0x80, MRM4r,
1172 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
1173 "and{b} {$src2, $dst|$dst, $src2}",
1174 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
1175 def AND16ri : Ii16<0x81, MRM4r,
1176 (ops R16:$dst, R16:$src1, i16imm:$src2),
1177 "and{w} {$src2, $dst|$dst, $src2}",
1178 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
1179 def AND32ri : Ii32<0x81, MRM4r,
1180 (ops R32:$dst, R32:$src1, i32imm:$src2),
1181 "and{l} {$src2, $dst|$dst, $src2}",
1182 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
1183 def AND16ri8 : Ii8<0x83, MRM4r,
1184 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1185 "and{w} {$src2, $dst|$dst, $src2}",
1186 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
1188 def AND32ri8 : Ii8<0x83, MRM4r,
1189 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1190 "and{l} {$src2, $dst|$dst, $src2}",
1191 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
1193 let isTwoAddress = 0 in {
1194 def AND8mr : I<0x20, MRMDestMem,
1195 (ops i8mem :$dst, R8 :$src),
1196 "and{b} {$src, $dst|$dst, $src}",
1197 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
1198 def AND16mr : I<0x21, MRMDestMem,
1199 (ops i16mem:$dst, R16:$src),
1200 "and{w} {$src, $dst|$dst, $src}",
1201 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
1203 def AND32mr : I<0x21, MRMDestMem,
1204 (ops i32mem:$dst, R32:$src),
1205 "and{l} {$src, $dst|$dst, $src}",
1206 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
1207 def AND8mi : Ii8<0x80, MRM4m,
1208 (ops i8mem :$dst, i8imm :$src),
1209 "and{b} {$src, $dst|$dst, $src}",
1210 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1211 def AND16mi : Ii16<0x81, MRM4m,
1212 (ops i16mem:$dst, i16imm:$src),
1213 "and{w} {$src, $dst|$dst, $src}",
1214 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1216 def AND32mi : Ii32<0x81, MRM4m,
1217 (ops i32mem:$dst, i32imm:$src),
1218 "and{l} {$src, $dst|$dst, $src}",
1219 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1220 def AND16mi8 : Ii8<0x83, MRM4m,
1221 (ops i16mem:$dst, i16i8imm :$src),
1222 "and{w} {$src, $dst|$dst, $src}",
1223 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1225 def AND32mi8 : Ii8<0x83, MRM4m,
1226 (ops i32mem:$dst, i32i8imm :$src),
1227 "and{l} {$src, $dst|$dst, $src}",
1228 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1232 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1233 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1234 "or{b} {$src2, $dst|$dst, $src2}",
1235 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
1236 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1237 "or{w} {$src2, $dst|$dst, $src2}",
1238 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
1239 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1240 "or{l} {$src2, $dst|$dst, $src2}",
1241 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
1243 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1244 "or{b} {$src2, $dst|$dst, $src2}",
1245 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
1246 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
1247 "or{w} {$src2, $dst|$dst, $src2}",
1248 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
1249 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1250 "or{l} {$src2, $dst|$dst, $src2}",
1251 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
1253 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1254 "or{b} {$src2, $dst|$dst, $src2}",
1255 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
1256 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1257 "or{w} {$src2, $dst|$dst, $src2}",
1258 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
1259 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1260 "or{l} {$src2, $dst|$dst, $src2}",
1261 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
1263 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1264 "or{w} {$src2, $dst|$dst, $src2}",
1265 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
1266 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1267 "or{l} {$src2, $dst|$dst, $src2}",
1268 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
1269 let isTwoAddress = 0 in {
1270 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
1271 "or{b} {$src, $dst|$dst, $src}",
1272 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
1273 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
1274 "or{w} {$src, $dst|$dst, $src}",
1275 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
1276 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
1277 "or{l} {$src, $dst|$dst, $src}",
1278 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
1279 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1280 "or{b} {$src, $dst|$dst, $src}",
1281 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1282 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1283 "or{w} {$src, $dst|$dst, $src}",
1284 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1286 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1287 "or{l} {$src, $dst|$dst, $src}",
1288 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1289 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1290 "or{w} {$src, $dst|$dst, $src}",
1291 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1293 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1294 "or{l} {$src, $dst|$dst, $src}",
1295 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1299 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1300 def XOR8rr : I<0x30, MRMDestReg,
1301 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1302 "xor{b} {$src2, $dst|$dst, $src2}",
1303 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
1304 def XOR16rr : I<0x31, MRMDestReg,
1305 (ops R16:$dst, R16:$src1, R16:$src2),
1306 "xor{w} {$src2, $dst|$dst, $src2}",
1307 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
1308 def XOR32rr : I<0x31, MRMDestReg,
1309 (ops R32:$dst, R32:$src1, R32:$src2),
1310 "xor{l} {$src2, $dst|$dst, $src2}",
1311 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
1314 def XOR8rm : I<0x32, MRMSrcMem ,
1315 (ops R8 :$dst, R8:$src1, i8mem :$src2),
1316 "xor{b} {$src2, $dst|$dst, $src2}",
1317 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
1318 def XOR16rm : I<0x33, MRMSrcMem ,
1319 (ops R16:$dst, R16:$src1, i16mem:$src2),
1320 "xor{w} {$src2, $dst|$dst, $src2}",
1321 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
1322 def XOR32rm : I<0x33, MRMSrcMem ,
1323 (ops R32:$dst, R32:$src1, i32mem:$src2),
1324 "xor{l} {$src2, $dst|$dst, $src2}",
1325 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
1327 def XOR8ri : Ii8<0x80, MRM6r,
1328 (ops R8:$dst, R8:$src1, i8imm:$src2),
1329 "xor{b} {$src2, $dst|$dst, $src2}",
1330 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
1331 def XOR16ri : Ii16<0x81, MRM6r,
1332 (ops R16:$dst, R16:$src1, i16imm:$src2),
1333 "xor{w} {$src2, $dst|$dst, $src2}",
1334 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
1335 def XOR32ri : Ii32<0x81, MRM6r,
1336 (ops R32:$dst, R32:$src1, i32imm:$src2),
1337 "xor{l} {$src2, $dst|$dst, $src2}",
1338 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
1339 def XOR16ri8 : Ii8<0x83, MRM6r,
1340 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1341 "xor{w} {$src2, $dst|$dst, $src2}",
1342 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
1344 def XOR32ri8 : Ii8<0x83, MRM6r,
1345 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1346 "xor{l} {$src2, $dst|$dst, $src2}",
1347 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
1348 let isTwoAddress = 0 in {
1349 def XOR8mr : I<0x30, MRMDestMem,
1350 (ops i8mem :$dst, R8 :$src),
1351 "xor{b} {$src, $dst|$dst, $src}",
1352 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
1353 def XOR16mr : I<0x31, MRMDestMem,
1354 (ops i16mem:$dst, R16:$src),
1355 "xor{w} {$src, $dst|$dst, $src}",
1356 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
1358 def XOR32mr : I<0x31, MRMDestMem,
1359 (ops i32mem:$dst, R32:$src),
1360 "xor{l} {$src, $dst|$dst, $src}",
1361 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
1362 def XOR8mi : Ii8<0x80, MRM6m,
1363 (ops i8mem :$dst, i8imm :$src),
1364 "xor{b} {$src, $dst|$dst, $src}",
1365 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1366 def XOR16mi : Ii16<0x81, MRM6m,
1367 (ops i16mem:$dst, i16imm:$src),
1368 "xor{w} {$src, $dst|$dst, $src}",
1369 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1371 def XOR32mi : Ii32<0x81, MRM6m,
1372 (ops i32mem:$dst, i32imm:$src),
1373 "xor{l} {$src, $dst|$dst, $src}",
1374 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1375 def XOR16mi8 : Ii8<0x83, MRM6m,
1376 (ops i16mem:$dst, i16i8imm :$src),
1377 "xor{w} {$src, $dst|$dst, $src}",
1378 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1380 def XOR32mi8 : Ii8<0x83, MRM6m,
1381 (ops i32mem:$dst, i32i8imm :$src),
1382 "xor{l} {$src, $dst|$dst, $src}",
1383 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1386 // Shift instructions
1387 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
1388 "shl{b} {%cl, $dst|$dst, %CL}",
1389 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
1390 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1391 "shl{w} {%cl, $dst|$dst, %CL}",
1392 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1393 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1394 "shl{l} {%cl, $dst|$dst, %CL}",
1395 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1397 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1398 "shl{b} {$src2, $dst|$dst, $src2}",
1399 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1400 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1401 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1402 "shl{w} {$src2, $dst|$dst, $src2}",
1403 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1404 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1405 "shl{l} {$src2, $dst|$dst, $src2}",
1406 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1409 let isTwoAddress = 0 in {
1410 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1411 "shl{b} {%cl, $dst|$dst, %CL}",
1412 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1414 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1415 "shl{w} {%cl, $dst|$dst, %CL}",
1416 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1417 Imp<[CL],[]>, OpSize;
1418 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1419 "shl{l} {%cl, $dst|$dst, %CL}",
1420 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1422 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1423 "shl{b} {$src, $dst|$dst, $src}",
1424 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1425 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1426 "shl{w} {$src, $dst|$dst, $src}",
1427 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1429 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1430 "shl{l} {$src, $dst|$dst, $src}",
1431 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1434 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1435 "shr{b} {%cl, $dst|$dst, %CL}",
1436 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1437 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1438 "shr{w} {%cl, $dst|$dst, %CL}",
1439 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1440 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1441 "shr{l} {%cl, $dst|$dst, %CL}",
1442 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1444 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1445 "shr{b} {$src2, $dst|$dst, $src2}",
1446 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1447 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1448 "shr{w} {$src2, $dst|$dst, $src2}",
1449 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1450 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1451 "shr{l} {$src2, $dst|$dst, $src2}",
1452 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1454 let isTwoAddress = 0 in {
1455 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1456 "shr{b} {%cl, $dst|$dst, %CL}",
1457 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1459 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1460 "shr{w} {%cl, $dst|$dst, %CL}",
1461 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1462 Imp<[CL],[]>, OpSize;
1463 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1464 "shr{l} {%cl, $dst|$dst, %CL}",
1465 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1467 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1468 "shr{b} {$src, $dst|$dst, $src}",
1469 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1470 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1471 "shr{w} {$src, $dst|$dst, $src}",
1472 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1474 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1475 "shr{l} {$src, $dst|$dst, $src}",
1476 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1479 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1480 "sar{b} {%cl, $dst|$dst, %CL}",
1481 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1482 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1483 "sar{w} {%cl, $dst|$dst, %CL}",
1484 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1485 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1486 "sar{l} {%cl, $dst|$dst, %CL}",
1487 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1489 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1490 "sar{b} {$src2, $dst|$dst, $src2}",
1491 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1492 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1493 "sar{w} {$src2, $dst|$dst, $src2}",
1494 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1496 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1497 "sar{l} {$src2, $dst|$dst, $src2}",
1498 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1499 let isTwoAddress = 0 in {
1500 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1501 "sar{b} {%cl, $dst|$dst, %CL}",
1502 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1504 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1505 "sar{w} {%cl, $dst|$dst, %CL}",
1506 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1507 Imp<[CL],[]>, OpSize;
1508 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1509 "sar{l} {%cl, $dst|$dst, %CL}",
1510 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1512 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1513 "sar{b} {$src, $dst|$dst, $src}",
1514 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1515 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1516 "sar{w} {$src, $dst|$dst, $src}",
1517 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1519 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1520 "sar{l} {$src, $dst|$dst, $src}",
1521 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1524 // Rotate instructions
1525 // FIXME: provide shorter instructions when imm8 == 1
1526 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1527 "rol{b} {%cl, $dst|$dst, %CL}",
1528 [(set R8:$dst, (rotl R8:$src, CL))]>, Imp<[CL],[]>;
1529 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1530 "rol{w} {%cl, $dst|$dst, %CL}",
1531 [(set R16:$dst, (rotl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1532 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1533 "rol{l} {%cl, $dst|$dst, %CL}",
1534 [(set R32:$dst, (rotl R32:$src, CL))]>, Imp<[CL],[]>;
1536 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1537 "rol{b} {$src2, $dst|$dst, $src2}",
1538 [(set R8:$dst, (rotl R8:$src1, (i8 imm:$src2)))]>;
1539 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1540 "rol{w} {$src2, $dst|$dst, $src2}",
1541 [(set R16:$dst, (rotl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1542 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1543 "rol{l} {$src2, $dst|$dst, $src2}",
1544 [(set R32:$dst, (rotl R32:$src1, (i8 imm:$src2)))]>;
1546 let isTwoAddress = 0 in {
1547 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1548 "rol{b} {%cl, $dst|$dst, %CL}",
1549 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1551 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1552 "rol{w} {%cl, $dst|$dst, %CL}",
1553 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1554 Imp<[CL],[]>, OpSize;
1555 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1556 "rol{l} {%cl, $dst|$dst, %CL}",
1557 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1559 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1560 "rol{b} {$src, $dst|$dst, $src}",
1561 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1562 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1563 "rol{w} {$src, $dst|$dst, $src}",
1564 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1566 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1567 "rol{l} {$src, $dst|$dst, $src}",
1568 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1571 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1572 "ror{b} {%cl, $dst|$dst, %CL}",
1573 [(set R8:$dst, (rotr R8:$src, CL))]>, Imp<[CL],[]>;
1574 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1575 "ror{w} {%cl, $dst|$dst, %CL}",
1576 [(set R16:$dst, (rotr R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1577 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1578 "ror{l} {%cl, $dst|$dst, %CL}",
1579 [(set R32:$dst, (rotr R32:$src, CL))]>, Imp<[CL],[]>;
1581 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1582 "ror{b} {$src2, $dst|$dst, $src2}",
1583 [(set R8:$dst, (rotr R8:$src1, (i8 imm:$src2)))]>;
1584 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1585 "ror{w} {$src2, $dst|$dst, $src2}",
1586 [(set R16:$dst, (rotr R16:$src1, (i8 imm:$src2)))]>, OpSize;
1587 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1588 "ror{l} {$src2, $dst|$dst, $src2}",
1589 [(set R32:$dst, (rotr R32:$src1, (i8 imm:$src2)))]>;
1590 let isTwoAddress = 0 in {
1591 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1592 "ror{b} {%cl, $dst|$dst, %CL}",
1593 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1595 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1596 "ror{w} {%cl, $dst|$dst, %CL}",
1597 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1598 Imp<[CL],[]>, OpSize;
1599 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1600 "ror{l} {%cl, $dst|$dst, %CL}",
1601 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1603 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1604 "ror{b} {$src, $dst|$dst, $src}",
1605 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1606 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1607 "ror{w} {$src, $dst|$dst, $src}",
1608 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1610 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1611 "ror{l} {$src, $dst|$dst, $src}",
1612 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1617 // Double shift instructions (generalizations of rotate)
1618 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1619 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1620 [(set R32:$dst, (X86shld R32:$src1, R32:$src2, CL))]>,
1622 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1623 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1624 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2, CL))]>,
1626 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1627 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1628 [(set R16:$dst, (X86shld R16:$src1, R16:$src2, CL))]>,
1629 Imp<[CL],[]>, TB, OpSize;
1630 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1631 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1632 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2, CL))]>,
1633 Imp<[CL],[]>, TB, OpSize;
1635 let isCommutable = 1 in { // These instructions commute to each other.
1636 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1637 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1638 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1639 [(set R32:$dst, (X86shld R32:$src1, R32:$src2,
1642 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1643 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1644 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1645 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2,
1648 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1649 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1650 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1651 [(set R16:$dst, (X86shld R16:$src1, R16:$src2,
1654 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1655 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1656 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1657 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2,
1662 let isTwoAddress = 0 in {
1663 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1664 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1665 [(store (X86shld (loadi32 addr:$dst), R32:$src2, CL),
1668 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1669 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1670 [(store (X86shrd (loadi32 addr:$dst), R32:$src2, CL),
1673 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1674 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1675 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1676 [(store (X86shld (loadi32 addr:$dst), R32:$src2,
1677 (i8 imm:$src3)), addr:$dst)]>,
1679 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1680 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1681 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1682 [(store (X86shrd (loadi32 addr:$dst), R32:$src2,
1683 (i8 imm:$src3)), addr:$dst)]>,
1686 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1687 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1688 [(store (X86shld (loadi16 addr:$dst), R16:$src2, CL),
1690 Imp<[CL],[]>, TB, OpSize;
1691 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1692 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1693 [(store (X86shrd (loadi16 addr:$dst), R16:$src2, CL),
1695 Imp<[CL],[]>, TB, OpSize;
1696 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1697 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1698 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1699 [(store (X86shld (loadi16 addr:$dst), R16:$src2,
1700 (i8 imm:$src3)), addr:$dst)]>,
1702 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1703 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1704 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1705 [(store (X86shrd (loadi16 addr:$dst), R16:$src2,
1706 (i8 imm:$src3)), addr:$dst)]>,
1712 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1713 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1714 "add{b} {$src2, $dst|$dst, $src2}",
1715 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1716 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1717 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1718 "add{w} {$src2, $dst|$dst, $src2}",
1719 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1720 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1721 "add{l} {$src2, $dst|$dst, $src2}",
1722 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1723 } // end isConvertibleToThreeAddress
1724 } // end isCommutable
1725 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1726 "add{b} {$src2, $dst|$dst, $src2}",
1727 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1728 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1729 "add{w} {$src2, $dst|$dst, $src2}",
1730 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1731 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1732 "add{l} {$src2, $dst|$dst, $src2}",
1733 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1735 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1736 "add{b} {$src2, $dst|$dst, $src2}",
1737 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1739 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1740 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1741 "add{w} {$src2, $dst|$dst, $src2}",
1742 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1743 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1744 "add{l} {$src2, $dst|$dst, $src2}",
1745 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1748 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1749 "add{w} {$src2, $dst|$dst, $src2}",
1750 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1752 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1753 "add{l} {$src2, $dst|$dst, $src2}",
1754 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1756 let isTwoAddress = 0 in {
1757 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1758 "add{b} {$src2, $dst|$dst, $src2}",
1759 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1760 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1761 "add{w} {$src2, $dst|$dst, $src2}",
1762 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1764 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1765 "add{l} {$src2, $dst|$dst, $src2}",
1766 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1767 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1768 "add{b} {$src2, $dst|$dst, $src2}",
1769 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1770 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1771 "add{w} {$src2, $dst|$dst, $src2}",
1772 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1774 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1775 "add{l} {$src2, $dst|$dst, $src2}",
1776 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1777 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1778 "add{w} {$src2, $dst|$dst, $src2}",
1779 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1781 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1782 "add{l} {$src2, $dst|$dst, $src2}",
1783 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1786 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1787 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1788 "adc{l} {$src2, $dst|$dst, $src2}",
1789 [(set R32:$dst, (adde R32:$src1, R32:$src2))]>;
1791 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1792 "adc{l} {$src2, $dst|$dst, $src2}",
1793 [(set R32:$dst, (adde R32:$src1, (load addr:$src2)))]>;
1794 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1795 "adc{l} {$src2, $dst|$dst, $src2}",
1796 [(set R32:$dst, (adde R32:$src1, imm:$src2))]>;
1797 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1798 "adc{l} {$src2, $dst|$dst, $src2}",
1799 [(set R32:$dst, (adde R32:$src1, i32immSExt8:$src2))]>;
1801 let isTwoAddress = 0 in {
1802 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1803 "adc{l} {$src2, $dst|$dst, $src2}",
1804 [(store (adde (load addr:$dst), R32:$src2), addr:$dst)]>;
1805 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1806 "adc{l} {$src2, $dst|$dst, $src2}",
1807 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1808 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1809 "adc{l} {$src2, $dst|$dst, $src2}",
1810 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1813 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1814 "sub{b} {$src2, $dst|$dst, $src2}",
1815 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1816 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1817 "sub{w} {$src2, $dst|$dst, $src2}",
1818 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1819 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1820 "sub{l} {$src2, $dst|$dst, $src2}",
1821 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1822 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1823 "sub{b} {$src2, $dst|$dst, $src2}",
1824 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1825 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1826 "sub{w} {$src2, $dst|$dst, $src2}",
1827 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1828 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1829 "sub{l} {$src2, $dst|$dst, $src2}",
1830 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1832 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1833 "sub{b} {$src2, $dst|$dst, $src2}",
1834 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1835 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1836 "sub{w} {$src2, $dst|$dst, $src2}",
1837 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1838 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1839 "sub{l} {$src2, $dst|$dst, $src2}",
1840 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1841 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1842 "sub{w} {$src2, $dst|$dst, $src2}",
1843 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1845 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1846 "sub{l} {$src2, $dst|$dst, $src2}",
1847 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1848 let isTwoAddress = 0 in {
1849 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1850 "sub{b} {$src2, $dst|$dst, $src2}",
1851 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1852 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1853 "sub{w} {$src2, $dst|$dst, $src2}",
1854 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1856 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1857 "sub{l} {$src2, $dst|$dst, $src2}",
1858 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1859 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1860 "sub{b} {$src2, $dst|$dst, $src2}",
1861 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1862 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1863 "sub{w} {$src2, $dst|$dst, $src2}",
1864 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1866 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1867 "sub{l} {$src2, $dst|$dst, $src2}",
1868 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1869 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1870 "sub{w} {$src2, $dst|$dst, $src2}",
1871 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1873 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1874 "sub{l} {$src2, $dst|$dst, $src2}",
1875 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1878 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1879 "sbb{l} {$src2, $dst|$dst, $src2}",
1880 [(set R32:$dst, (sube R32:$src1, R32:$src2))]>;
1882 let isTwoAddress = 0 in {
1883 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1884 "sbb{l} {$src2, $dst|$dst, $src2}",
1885 [(store (sube (load addr:$dst), R32:$src2), addr:$dst)]>;
1886 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1887 "sbb{b} {$src2, $dst|$dst, $src2}",
1888 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1889 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1890 "sbb{l} {$src2, $dst|$dst, $src2}",
1891 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1892 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
1893 "sbb{l} {$src2, $dst|$dst, $src2}",
1894 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1896 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1897 "sbb{l} {$src2, $dst|$dst, $src2}",
1898 [(set R32:$dst, (sube R32:$src1, (load addr:$src2)))]>;
1899 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1900 "sbb{l} {$src2, $dst|$dst, $src2}",
1901 [(set R32:$dst, (sube R32:$src1, imm:$src2))]>;
1902 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1903 "sbb{l} {$src2, $dst|$dst, $src2}",
1904 [(set R32:$dst, (sube R32:$src1, i32immSExt8:$src2))]>;
1906 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1907 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1908 "imul{w} {$src2, $dst|$dst, $src2}",
1909 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1910 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1911 "imul{l} {$src2, $dst|$dst, $src2}",
1912 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
1914 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1915 "imul{w} {$src2, $dst|$dst, $src2}",
1916 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
1918 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1919 "imul{l} {$src2, $dst|$dst, $src2}",
1920 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
1922 } // end Two Address instructions
1924 // Suprisingly enough, these are not two address instructions!
1925 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1926 (ops R16:$dst, R16:$src1, i16imm:$src2),
1927 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1928 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
1929 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1930 (ops R32:$dst, R32:$src1, i32imm:$src2),
1931 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1932 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1933 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1934 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1935 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1936 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
1938 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1939 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1940 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1941 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
1943 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1944 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
1945 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1946 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
1948 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
1949 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
1950 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1951 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
1952 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
1953 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
1954 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1955 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
1957 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
1958 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
1959 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1960 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
1962 //===----------------------------------------------------------------------===//
1963 // Test instructions are just like AND, except they don't generate a result.
1965 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1966 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
1967 "test{b} {$src2, $src1|$src1, $src2}",
1968 [(X86test R8:$src1, R8:$src2)]>;
1969 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
1970 "test{w} {$src2, $src1|$src1, $src2}",
1971 [(X86test R16:$src1, R16:$src2)]>, OpSize;
1972 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
1973 "test{l} {$src2, $src1|$src1, $src2}",
1974 [(X86test R32:$src1, R32:$src2)]>;
1976 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
1977 "test{b} {$src2, $src1|$src1, $src2}",
1978 [(X86test (loadi8 addr:$src1), R8:$src2)]>;
1979 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
1980 "test{w} {$src2, $src1|$src1, $src2}",
1981 [(X86test (loadi16 addr:$src1), R16:$src2)]>,
1983 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
1984 "test{l} {$src2, $src1|$src1, $src2}",
1985 [(X86test (loadi32 addr:$src1), R32:$src2)]>;
1986 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
1987 "test{b} {$src2, $src1|$src1, $src2}",
1988 [(X86test R8:$src1, (loadi8 addr:$src2))]>;
1989 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
1990 "test{w} {$src2, $src1|$src1, $src2}",
1991 [(X86test R16:$src1, (loadi16 addr:$src2))]>,
1993 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
1994 "test{l} {$src2, $src1|$src1, $src2}",
1995 [(X86test R32:$src1, (loadi32 addr:$src2))]>;
1997 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
1998 (ops R8:$src1, i8imm:$src2),
1999 "test{b} {$src2, $src1|$src1, $src2}",
2000 [(X86test R8:$src1, imm:$src2)]>;
2001 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
2002 (ops R16:$src1, i16imm:$src2),
2003 "test{w} {$src2, $src1|$src1, $src2}",
2004 [(X86test R16:$src1, imm:$src2)]>, OpSize;
2005 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
2006 (ops R32:$src1, i32imm:$src2),
2007 "test{l} {$src2, $src1|$src1, $src2}",
2008 [(X86test R32:$src1, imm:$src2)]>;
2009 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2010 (ops i8mem:$src1, i8imm:$src2),
2011 "test{b} {$src2, $src1|$src1, $src2}",
2012 [(X86test (loadi8 addr:$src1), imm:$src2)]>;
2013 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2014 (ops i16mem:$src1, i16imm:$src2),
2015 "test{w} {$src2, $src1|$src1, $src2}",
2016 [(X86test (loadi16 addr:$src1), imm:$src2)]>,
2018 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2019 (ops i32mem:$src1, i32imm:$src2),
2020 "test{l} {$src2, $src1|$src1, $src2}",
2021 [(X86test (loadi32 addr:$src1), imm:$src2)]>;
2024 // Condition code ops, incl. set if equal/not equal/...
2025 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2026 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2028 def SETEr : I<0x94, MRM0r,
2031 [(set R8:$dst, (X86setcc X86_COND_E))]>,
2033 def SETEm : I<0x94, MRM0m,
2036 [(store (X86setcc X86_COND_E), addr:$dst)]>,
2038 def SETNEr : I<0x95, MRM0r,
2041 [(set R8:$dst, (X86setcc X86_COND_NE))]>,
2043 def SETNEm : I<0x95, MRM0m,
2046 [(store (X86setcc X86_COND_NE), addr:$dst)]>,
2048 def SETLr : I<0x9C, MRM0r,
2051 [(set R8:$dst, (X86setcc X86_COND_L))]>,
2052 TB; // R8 = < signed
2053 def SETLm : I<0x9C, MRM0m,
2056 [(store (X86setcc X86_COND_L), addr:$dst)]>,
2057 TB; // [mem8] = < signed
2058 def SETGEr : I<0x9D, MRM0r,
2061 [(set R8:$dst, (X86setcc X86_COND_GE))]>,
2062 TB; // R8 = >= signed
2063 def SETGEm : I<0x9D, MRM0m,
2066 [(store (X86setcc X86_COND_GE), addr:$dst)]>,
2067 TB; // [mem8] = >= signed
2068 def SETLEr : I<0x9E, MRM0r,
2071 [(set R8:$dst, (X86setcc X86_COND_LE))]>,
2072 TB; // R8 = <= signed
2073 def SETLEm : I<0x9E, MRM0m,
2076 [(store (X86setcc X86_COND_LE), addr:$dst)]>,
2077 TB; // [mem8] = <= signed
2078 def SETGr : I<0x9F, MRM0r,
2081 [(set R8:$dst, (X86setcc X86_COND_G))]>,
2082 TB; // R8 = > signed
2083 def SETGm : I<0x9F, MRM0m,
2086 [(store (X86setcc X86_COND_G), addr:$dst)]>,
2087 TB; // [mem8] = > signed
2089 def SETBr : I<0x92, MRM0r,
2092 [(set R8:$dst, (X86setcc X86_COND_B))]>,
2093 TB; // R8 = < unsign
2094 def SETBm : I<0x92, MRM0m,
2097 [(store (X86setcc X86_COND_B), addr:$dst)]>,
2098 TB; // [mem8] = < unsign
2099 def SETAEr : I<0x93, MRM0r,
2102 [(set R8:$dst, (X86setcc X86_COND_AE))]>,
2103 TB; // R8 = >= unsign
2104 def SETAEm : I<0x93, MRM0m,
2107 [(store (X86setcc X86_COND_AE), addr:$dst)]>,
2108 TB; // [mem8] = >= unsign
2109 def SETBEr : I<0x96, MRM0r,
2112 [(set R8:$dst, (X86setcc X86_COND_BE))]>,
2113 TB; // R8 = <= unsign
2114 def SETBEm : I<0x96, MRM0m,
2117 [(store (X86setcc X86_COND_BE), addr:$dst)]>,
2118 TB; // [mem8] = <= unsign
2119 def SETAr : I<0x97, MRM0r,
2122 [(set R8:$dst, (X86setcc X86_COND_A))]>,
2123 TB; // R8 = > signed
2124 def SETAm : I<0x97, MRM0m,
2127 [(store (X86setcc X86_COND_A), addr:$dst)]>,
2128 TB; // [mem8] = > signed
2130 def SETSr : I<0x98, MRM0r,
2133 [(set R8:$dst, (X86setcc X86_COND_S))]>,
2134 TB; // R8 = <sign bit>
2135 def SETSm : I<0x98, MRM0m,
2138 [(store (X86setcc X86_COND_S), addr:$dst)]>,
2139 TB; // [mem8] = <sign bit>
2140 def SETNSr : I<0x99, MRM0r,
2143 [(set R8:$dst, (X86setcc X86_COND_NS))]>,
2144 TB; // R8 = !<sign bit>
2145 def SETNSm : I<0x99, MRM0m,
2148 [(store (X86setcc X86_COND_NS), addr:$dst)]>,
2149 TB; // [mem8] = !<sign bit>
2150 def SETPr : I<0x9A, MRM0r,
2153 [(set R8:$dst, (X86setcc X86_COND_P))]>,
2155 def SETPm : I<0x9A, MRM0m,
2158 [(store (X86setcc X86_COND_P), addr:$dst)]>,
2159 TB; // [mem8] = parity
2160 def SETNPr : I<0x9B, MRM0r,
2163 [(set R8:$dst, (X86setcc X86_COND_NP))]>,
2164 TB; // R8 = not parity
2165 def SETNPm : I<0x9B, MRM0m,
2168 [(store (X86setcc X86_COND_NP), addr:$dst)]>,
2169 TB; // [mem8] = not parity
2171 // Integer comparisons
2172 def CMP8rr : I<0x38, MRMDestReg,
2173 (ops R8 :$src1, R8 :$src2),
2174 "cmp{b} {$src2, $src1|$src1, $src2}",
2175 [(X86cmp R8:$src1, R8:$src2)]>;
2176 def CMP16rr : I<0x39, MRMDestReg,
2177 (ops R16:$src1, R16:$src2),
2178 "cmp{w} {$src2, $src1|$src1, $src2}",
2179 [(X86cmp R16:$src1, R16:$src2)]>, OpSize;
2180 def CMP32rr : I<0x39, MRMDestReg,
2181 (ops R32:$src1, R32:$src2),
2182 "cmp{l} {$src2, $src1|$src1, $src2}",
2183 [(X86cmp R32:$src1, R32:$src2)]>;
2184 def CMP8mr : I<0x38, MRMDestMem,
2185 (ops i8mem :$src1, R8 :$src2),
2186 "cmp{b} {$src2, $src1|$src1, $src2}",
2187 [(X86cmp (loadi8 addr:$src1), R8:$src2)]>;
2188 def CMP16mr : I<0x39, MRMDestMem,
2189 (ops i16mem:$src1, R16:$src2),
2190 "cmp{w} {$src2, $src1|$src1, $src2}",
2191 [(X86cmp (loadi16 addr:$src1), R16:$src2)]>, OpSize;
2192 def CMP32mr : I<0x39, MRMDestMem,
2193 (ops i32mem:$src1, R32:$src2),
2194 "cmp{l} {$src2, $src1|$src1, $src2}",
2195 [(X86cmp (loadi32 addr:$src1), R32:$src2)]>;
2196 def CMP8rm : I<0x3A, MRMSrcMem,
2197 (ops R8 :$src1, i8mem :$src2),
2198 "cmp{b} {$src2, $src1|$src1, $src2}",
2199 [(X86cmp R8:$src1, (loadi8 addr:$src2))]>;
2200 def CMP16rm : I<0x3B, MRMSrcMem,
2201 (ops R16:$src1, i16mem:$src2),
2202 "cmp{w} {$src2, $src1|$src1, $src2}",
2203 [(X86cmp R16:$src1, (loadi16 addr:$src2))]>, OpSize;
2204 def CMP32rm : I<0x3B, MRMSrcMem,
2205 (ops R32:$src1, i32mem:$src2),
2206 "cmp{l} {$src2, $src1|$src1, $src2}",
2207 [(X86cmp R32:$src1, (loadi32 addr:$src2))]>;
2208 def CMP8ri : Ii8<0x80, MRM7r,
2209 (ops R8:$src1, i8imm:$src2),
2210 "cmp{b} {$src2, $src1|$src1, $src2}",
2211 [(X86cmp R8:$src1, imm:$src2)]>;
2212 def CMP16ri : Ii16<0x81, MRM7r,
2213 (ops R16:$src1, i16imm:$src2),
2214 "cmp{w} {$src2, $src1|$src1, $src2}",
2215 [(X86cmp R16:$src1, imm:$src2)]>, OpSize;
2216 def CMP32ri : Ii32<0x81, MRM7r,
2217 (ops R32:$src1, i32imm:$src2),
2218 "cmp{l} {$src2, $src1|$src1, $src2}",
2219 [(X86cmp R32:$src1, imm:$src2)]>;
2220 def CMP8mi : Ii8 <0x80, MRM7m,
2221 (ops i8mem :$src1, i8imm :$src2),
2222 "cmp{b} {$src2, $src1|$src1, $src2}",
2223 [(X86cmp (loadi8 addr:$src1), imm:$src2)]>;
2224 def CMP16mi : Ii16<0x81, MRM7m,
2225 (ops i16mem:$src1, i16imm:$src2),
2226 "cmp{w} {$src2, $src1|$src1, $src2}",
2227 [(X86cmp (loadi16 addr:$src1), imm:$src2)]>, OpSize;
2228 def CMP32mi : Ii32<0x81, MRM7m,
2229 (ops i32mem:$src1, i32imm:$src2),
2230 "cmp{l} {$src2, $src1|$src1, $src2}",
2231 [(X86cmp (loadi32 addr:$src1), imm:$src2)]>;
2232 def CMP16ri8 : Ii8<0x83, MRM7r,
2233 (ops R16:$src1, i16i8imm:$src2),
2234 "cmp{w} {$src2, $src1|$src1, $src2}",
2235 [(X86cmp R16:$src1, i16immSExt8:$src2)]>, OpSize;
2236 def CMP16mi8 : Ii8<0x83, MRM7m,
2237 (ops i16mem:$src1, i16i8imm:$src2),
2238 "cmp{w} {$src2, $src1|$src1, $src2}",
2239 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2)]>, OpSize;
2240 def CMP32mi8 : Ii8<0x83, MRM7m,
2241 (ops i32mem:$src1, i32i8imm:$src2),
2242 "cmp{l} {$src2, $src1|$src1, $src2}",
2243 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2)]>;
2244 def CMP32ri8 : Ii8<0x83, MRM7r,
2245 (ops R32:$src1, i32i8imm:$src2),
2246 "cmp{l} {$src2, $src1|$src1, $src2}",
2247 [(X86cmp R32:$src1, i32immSExt8:$src2)]>;
2249 // Sign/Zero extenders
2250 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
2251 "movs{bw|x} {$src, $dst|$dst, $src}",
2252 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
2253 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2254 "movs{bw|x} {$src, $dst|$dst, $src}",
2255 [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2256 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
2257 "movs{bl|x} {$src, $dst|$dst, $src}",
2258 [(set R32:$dst, (sext R8:$src))]>, TB;
2259 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2260 "movs{bl|x} {$src, $dst|$dst, $src}",
2261 [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2262 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
2263 "movs{wl|x} {$src, $dst|$dst, $src}",
2264 [(set R32:$dst, (sext R16:$src))]>, TB;
2265 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2266 "movs{wl|x} {$src, $dst|$dst, $src}",
2267 [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2269 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
2270 "movz{bw|x} {$src, $dst|$dst, $src}",
2271 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
2272 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2273 "movz{bw|x} {$src, $dst|$dst, $src}",
2274 [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2275 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
2276 "movz{bl|x} {$src, $dst|$dst, $src}",
2277 [(set R32:$dst, (zext R8:$src))]>, TB;
2278 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2279 "movz{bl|x} {$src, $dst|$dst, $src}",
2280 [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2281 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
2282 "movz{wl|x} {$src, $dst|$dst, $src}",
2283 [(set R32:$dst, (zext R16:$src))]>, TB;
2284 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2285 "movz{wl|x} {$src, $dst|$dst, $src}",
2286 [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2288 //===----------------------------------------------------------------------===//
2289 // Miscellaneous Instructions
2290 //===----------------------------------------------------------------------===//
2292 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
2293 TB, Imp<[],[EAX,EDX]>;
2295 //===----------------------------------------------------------------------===//
2296 // Alias Instructions
2297 //===----------------------------------------------------------------------===//
2299 // Alias instructions that map movr0 to xor.
2300 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2301 def MOV8r0 : I<0x30, MRMInitReg, (ops R8 :$dst),
2302 "xor{b} $dst, $dst",
2303 [(set R8:$dst, 0)]>;
2304 def MOV16r0 : I<0x31, MRMInitReg, (ops R16:$dst),
2305 "xor{w} $dst, $dst",
2306 [(set R16:$dst, 0)]>, OpSize;
2307 def MOV32r0 : I<0x31, MRMInitReg, (ops R32:$dst),
2308 "xor{l} $dst, $dst",
2309 [(set R32:$dst, 0)]>;
2311 // Basic operations on R16 / R32 subclasses R16_ and R32_ which contains only
2312 // those registers that have R8 sub-registers (i.e. AX - DX, EAX - EDX).
2313 def MOV16to16_ : I<0x89, MRMDestReg, (ops R16_:$dst, R16:$src),
2314 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2315 def MOV32to32_ : I<0x89, MRMDestReg, (ops R32_:$dst, R32:$src),
2316 "mov{l} {$src, $dst|$dst, $src}", []>;
2318 def MOV16_rr : I<0x89, MRMDestReg, (ops R16_:$dst, R16_:$src),
2319 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2320 def MOV32_rr : I<0x89, MRMDestReg, (ops R32_:$dst, R32_:$src),
2321 "mov{l} {$src, $dst|$dst, $src}", []>;
2322 def MOV16_rm : I<0x8B, MRMSrcMem, (ops R16_:$dst, i16mem:$src),
2323 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2324 def MOV32_rm : I<0x8B, MRMSrcMem, (ops R32_:$dst, i32mem:$src),
2325 "mov{l} {$src, $dst|$dst, $src}", []>;
2326 def MOV16_mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16_:$src),
2327 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2328 def MOV32_mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32_:$src),
2329 "mov{l} {$src, $dst|$dst, $src}", []>;
2331 //===----------------------------------------------------------------------===//
2332 // DWARF Pseudo Instructions
2335 def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
2336 "; .loc $file, $line, $col",
2337 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2340 def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id),
2341 "\nLdebug_loc${id:debug}:",
2342 [(dwarf_label (i32 imm:$id))]>;
2344 //===----------------------------------------------------------------------===//
2345 // Non-Instruction Patterns
2346 //===----------------------------------------------------------------------===//
2348 // ConstantPool GlobalAddress, ExternalSymbol
2349 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2350 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2351 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2352 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2354 def : Pat<(add R32:$src1, (X86Wrapper tconstpool:$src2)),
2355 (ADD32ri R32:$src1, tconstpool:$src2)>;
2356 def : Pat<(add R32:$src1, (X86Wrapper tjumptable:$src2)),
2357 (ADD32ri R32:$src1, tjumptable:$src2)>;
2358 def : Pat<(add R32:$src1, (X86Wrapper tglobaladdr :$src2)),
2359 (ADD32ri R32:$src1, tglobaladdr:$src2)>;
2360 def : Pat<(add R32:$src1, (X86Wrapper texternalsym:$src2)),
2361 (ADD32ri R32:$src1, texternalsym:$src2)>;
2363 def : Pat<(store (X86Wrapper tglobaladdr:$src), addr:$dst),
2364 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2365 def : Pat<(store (X86Wrapper texternalsym:$src), addr:$dst),
2366 (MOV32mi addr:$dst, texternalsym:$src)>;
2369 def : Pat<(X86tailcall R32:$dst),
2370 (CALL32r R32:$dst)>;
2372 def : Pat<(X86tailcall (loadi32 addr:$dst)),
2373 (CALL32m addr:$dst)>;
2375 def : Pat<(X86tailcall tglobaladdr:$dst),
2376 (CALLpcrel32 tglobaladdr:$dst)>;
2377 def : Pat<(X86tailcall texternalsym:$dst),
2378 (CALLpcrel32 texternalsym:$dst)>;
2382 def : Pat<(X86call tglobaladdr:$dst),
2383 (CALLpcrel32 tglobaladdr:$dst)>;
2384 def : Pat<(X86call texternalsym:$dst),
2385 (CALLpcrel32 texternalsym:$dst)>;
2387 // X86 specific add which produces a flag.
2388 def : Pat<(addc R32:$src1, R32:$src2),
2389 (ADD32rr R32:$src1, R32:$src2)>;
2390 def : Pat<(addc R32:$src1, (load addr:$src2)),
2391 (ADD32rm R32:$src1, addr:$src2)>;
2392 def : Pat<(addc R32:$src1, imm:$src2),
2393 (ADD32ri R32:$src1, imm:$src2)>;
2394 def : Pat<(addc R32:$src1, i32immSExt8:$src2),
2395 (ADD32ri8 R32:$src1, i32immSExt8:$src2)>;
2397 def : Pat<(subc R32:$src1, R32:$src2),
2398 (SUB32rr R32:$src1, R32:$src2)>;
2399 def : Pat<(subc R32:$src1, (load addr:$src2)),
2400 (SUB32rm R32:$src1, addr:$src2)>;
2401 def : Pat<(subc R32:$src1, imm:$src2),
2402 (SUB32ri R32:$src1, imm:$src2)>;
2403 def : Pat<(subc R32:$src1, i32immSExt8:$src2),
2404 (SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
2406 def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
2407 (MOV8mi addr:$dst, imm:$src)>;
2408 def : Pat<(truncstore R8:$src, addr:$dst, i1),
2409 (MOV8mr addr:$dst, R8:$src)>;
2411 // {s|z}extload bool -> {s|z}extload byte
2412 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2413 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2414 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2415 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2416 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2418 // extload bool -> extload byte
2419 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2420 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2421 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2422 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
2423 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2424 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2427 def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
2428 def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
2429 def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
2430 def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
2431 def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
2432 def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
2434 //===----------------------------------------------------------------------===//
2436 //===----------------------------------------------------------------------===//
2438 // (shl x, 1) ==> (add x, x)
2439 def : Pat<(shl R8 :$src1, (i8 1)), (ADD8rr R8 :$src1, R8 :$src1)>;
2440 def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
2441 def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;
2443 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2444 def : Pat<(or (srl R32:$src1, CL:$amt),
2445 (shl R32:$src2, (sub 32, CL:$amt))),
2446 (SHRD32rrCL R32:$src1, R32:$src2)>;
2448 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2449 (shl R32:$src2, (sub 32, CL:$amt))), addr:$dst),
2450 (SHRD32mrCL addr:$dst, R32:$src2)>;
2452 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2453 def : Pat<(or (shl R32:$src1, CL:$amt),
2454 (srl R32:$src2, (sub 32, CL:$amt))),
2455 (SHLD32rrCL R32:$src1, R32:$src2)>;
2457 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2458 (srl R32:$src2, (sub 32, CL:$amt))), addr:$dst),
2459 (SHLD32mrCL addr:$dst, R32:$src2)>;
2461 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2462 def : Pat<(or (srl R16:$src1, CL:$amt),
2463 (shl R16:$src2, (sub 16, CL:$amt))),
2464 (SHRD16rrCL R16:$src1, R16:$src2)>;
2466 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2467 (shl R16:$src2, (sub 16, CL:$amt))), addr:$dst),
2468 (SHRD16mrCL addr:$dst, R16:$src2)>;
2470 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2471 def : Pat<(or (shl R16:$src1, CL:$amt),
2472 (srl R16:$src2, (sub 16, CL:$amt))),
2473 (SHLD16rrCL R16:$src1, R16:$src2)>;
2475 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2476 (srl R16:$src2, (sub 16, CL:$amt))), addr:$dst),
2477 (SHLD16mrCL addr:$dst, R16:$src2)>;
2480 //===----------------------------------------------------------------------===//
2481 // Floating Point Stack Support
2482 //===----------------------------------------------------------------------===//
2484 include "X86InstrFPStack.td"
2486 //===----------------------------------------------------------------------===//
2487 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2488 //===----------------------------------------------------------------------===//
2490 include "X86InstrMMX.td"
2492 //===----------------------------------------------------------------------===//
2493 // XMM Floating point support (requires SSE / SSE2)
2494 //===----------------------------------------------------------------------===//
2496 include "X86InstrSSE.td"