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, iPTR>]>;
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,
54 [SDNPHasChain, SDNPOutFlag]>;
56 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
57 [SDNPInFlag, SDNPOutFlag]>;
58 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
59 [SDNPHasChain, SDNPInFlag]>;
60 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
61 [SDNPInFlag, SDNPOutFlag]>;
63 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
64 [SDNPHasChain, SDNPOptInFlag]>;
66 def X86callseq_start :
67 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
68 [SDNPHasChain, SDNPOutFlag]>;
70 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
71 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
73 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
74 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
76 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
77 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
79 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
80 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
81 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
82 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
84 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
85 [SDNPHasChain, SDNPOutFlag]>;
87 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
88 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
90 //===----------------------------------------------------------------------===//
91 // X86 Operand Definitions.
94 // *mem - Operand definitions for the funky X86 addressing mode operands.
96 class X86MemOperand<string printMethod> : Operand<iPTR> {
97 let PrintMethod = printMethod;
98 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
101 def i8mem : X86MemOperand<"printi8mem">;
102 def i16mem : X86MemOperand<"printi16mem">;
103 def i32mem : X86MemOperand<"printi32mem">;
104 def i64mem : X86MemOperand<"printi64mem">;
105 def i128mem : X86MemOperand<"printi128mem">;
106 def f32mem : X86MemOperand<"printf32mem">;
107 def f64mem : X86MemOperand<"printf64mem">;
108 def f128mem : X86MemOperand<"printf128mem">;
110 def lea32mem : Operand<i32> {
111 let PrintMethod = "printi32mem";
112 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
115 def SSECC : Operand<i8> {
116 let PrintMethod = "printSSECC";
119 def piclabel: Operand<i32> {
120 let PrintMethod = "printPICLabel";
123 // A couple of more descriptive operand definitions.
124 // 16-bits but only 8 bits are significant.
125 def i16i8imm : Operand<i16>;
126 // 32-bits but only 8 bits are significant.
127 def i32i8imm : Operand<i32>;
129 // Branch targets have OtherVT type.
130 def brtarget : Operand<OtherVT>;
132 //===----------------------------------------------------------------------===//
133 // X86 Complex Pattern Definitions.
136 // Define X86 specific addressing mode.
137 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
138 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
139 [add, mul, shl, or, frameindex], []>;
141 //===----------------------------------------------------------------------===//
142 // X86 Instruction Format Definitions.
145 // Format specifies the encoding used by the instruction. This is part of the
146 // ad-hoc solution used to emit machine instruction encodings by our machine
148 class Format<bits<6> val> {
152 def Pseudo : Format<0>; def RawFrm : Format<1>;
153 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
154 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
155 def MRMSrcMem : Format<6>;
156 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
157 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
158 def MRM6r : Format<22>; def MRM7r : Format<23>;
159 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
160 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
161 def MRM6m : Format<30>; def MRM7m : Format<31>;
162 def MRMInitReg : Format<32>;
164 //===----------------------------------------------------------------------===//
165 // X86 Instruction Predicate Definitions.
166 def HasMMX : Predicate<"Subtarget->hasMMX()">;
167 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
168 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
169 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
170 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
171 def FPStack : Predicate<"!Subtarget->hasSSE2()">;
172 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
173 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
174 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
175 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
176 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
178 //===----------------------------------------------------------------------===//
179 // X86 specific pattern fragments.
182 // ImmType - This specifies the immediate type used by an instruction. This is
183 // part of the ad-hoc solution used to emit machine instruction encodings by our
184 // machine code emitter.
185 class ImmType<bits<3> val> {
188 def NoImm : ImmType<0>;
189 def Imm8 : ImmType<1>;
190 def Imm16 : ImmType<2>;
191 def Imm32 : ImmType<3>;
192 def Imm64 : ImmType<4>;
194 // FPFormat - This specifies what form this FP instruction has. This is used by
195 // the Floating-Point stackifier pass.
196 class FPFormat<bits<3> val> {
199 def NotFP : FPFormat<0>;
200 def ZeroArgFP : FPFormat<1>;
201 def OneArgFP : FPFormat<2>;
202 def OneArgFPRW : FPFormat<3>;
203 def TwoArgFP : FPFormat<4>;
204 def CompareFP : FPFormat<5>;
205 def CondMovFP : FPFormat<6>;
206 def SpecialFP : FPFormat<7>;
209 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
211 let Namespace = "X86";
213 bits<8> Opcode = opcod;
215 bits<6> FormBits = Form.Value;
217 bits<3> ImmTypeBits = ImmT.Value;
219 dag OperandList = ops;
220 string AsmString = AsmStr;
223 // Attributes specific to X86 instructions...
225 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
226 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
228 bits<4> Prefix = 0; // Which prefix byte does this inst have?
229 bit hasREX_WPrefix = 0; // Does this inst requires the REX.W prefix?
230 FPFormat FPForm; // What flavor of FP instruction is this?
231 bits<3> FPFormBits = 0;
235 // Prefix byte classes which are used to indicate to the ad-hoc machine code
236 // emitter that various prefix bytes are required.
237 class OpSize { bit hasOpSizePrefix = 1; }
238 class AdSize { bit hasAdSizePrefix = 1; }
239 class REX_W { bit hasREX_WPrefix = 1; }
240 class TB { bits<4> Prefix = 1; }
241 class REP { bits<4> Prefix = 2; }
242 class D8 { bits<4> Prefix = 3; }
243 class D9 { bits<4> Prefix = 4; }
244 class DA { bits<4> Prefix = 5; }
245 class DB { bits<4> Prefix = 6; }
246 class DC { bits<4> Prefix = 7; }
247 class DD { bits<4> Prefix = 8; }
248 class DE { bits<4> Prefix = 9; }
249 class DF { bits<4> Prefix = 10; }
250 class XD { bits<4> Prefix = 11; }
251 class XS { bits<4> Prefix = 12; }
252 class T8 { bits<4> Prefix = 13; }
253 class TA { bits<4> Prefix = 14; }
256 //===----------------------------------------------------------------------===//
257 // Pattern fragments...
260 // X86 specific condition code. These correspond to CondCode in
261 // X86ISelLowering.h. They must be kept in synch.
262 def X86_COND_A : PatLeaf<(i8 0)>;
263 def X86_COND_AE : PatLeaf<(i8 1)>;
264 def X86_COND_B : PatLeaf<(i8 2)>;
265 def X86_COND_BE : PatLeaf<(i8 3)>;
266 def X86_COND_E : PatLeaf<(i8 4)>;
267 def X86_COND_G : PatLeaf<(i8 5)>;
268 def X86_COND_GE : PatLeaf<(i8 6)>;
269 def X86_COND_L : PatLeaf<(i8 7)>;
270 def X86_COND_LE : PatLeaf<(i8 8)>;
271 def X86_COND_NE : PatLeaf<(i8 9)>;
272 def X86_COND_NO : PatLeaf<(i8 10)>;
273 def X86_COND_NP : PatLeaf<(i8 11)>;
274 def X86_COND_NS : PatLeaf<(i8 12)>;
275 def X86_COND_O : PatLeaf<(i8 13)>;
276 def X86_COND_P : PatLeaf<(i8 14)>;
277 def X86_COND_S : PatLeaf<(i8 15)>;
279 def i16immSExt8 : PatLeaf<(i16 imm), [{
280 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
281 // sign extended field.
282 return (int16_t)N->getValue() == (int8_t)N->getValue();
285 def i32immSExt8 : PatLeaf<(i32 imm), [{
286 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
287 // sign extended field.
288 return (int32_t)N->getValue() == (int8_t)N->getValue();
291 // Helper fragments for loads.
292 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
293 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
294 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
295 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
297 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
298 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
300 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextloadi1 node:$ptr))>;
301 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextloadi1 node:$ptr))>;
302 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
303 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
304 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
306 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
307 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
308 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
309 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
310 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
311 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
313 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
314 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
315 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
316 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
317 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
318 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
320 //===----------------------------------------------------------------------===//
321 // Instruction templates...
324 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
325 : X86Inst<o, f, NoImm, ops, asm> {
326 let Pattern = pattern;
329 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
330 : X86Inst<o, f, Imm8 , ops, asm> {
331 let Pattern = pattern;
334 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
335 : X86Inst<o, f, Imm16, ops, asm> {
336 let Pattern = pattern;
339 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
340 : X86Inst<o, f, Imm32, ops, asm> {
341 let Pattern = pattern;
345 //===----------------------------------------------------------------------===//
346 // Instruction list...
349 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
350 // a stack adjustment and the codegen must know that they may modify the stack
351 // pointer before prolog-epilog rewriting occurs.
352 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
353 [(X86callseq_start imm:$amt)]>, Imp<[ESP],[ESP]>;
354 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
356 [(X86callseq_end imm:$amt1, imm:$amt2)]>,
358 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
359 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
360 def IMPLICIT_DEF_GR8 : I<0, Pseudo, (ops GR8:$dst),
361 "#IMPLICIT_DEF $dst",
362 [(set GR8:$dst, (undef))]>;
363 def IMPLICIT_DEF_GR16 : I<0, Pseudo, (ops GR16:$dst),
364 "#IMPLICIT_DEF $dst",
365 [(set GR16:$dst, (undef))]>;
366 def IMPLICIT_DEF_GR32 : I<0, Pseudo, (ops GR32:$dst),
367 "#IMPLICIT_DEF $dst",
368 [(set GR32:$dst, (undef))]>;
371 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
374 def TRUNC_32_to8 : I<0x88, MRMDestReg, (ops GR8:$dst, GR32_:$src),
375 "mov{b} {${src:subreg8}, $dst|$dst, ${src:subreg8}", []>;
376 def TRUNC_16_to8 : I<0x88, MRMDestReg, (ops GR8:$dst, GR16_:$src),
377 "mov{b} {${src:subreg8}, $dst|$dst, ${src:subreg8}}", []>;
378 def TRUNC_32to16 : I<0x89, MRMDestReg, (ops GR16:$dst, GR32:$src),
379 "mov{w} {${src:subreg16}, $dst|$dst, ${src:subreg16}}",
380 [(set GR16:$dst, (trunc GR32:$src))]>;
382 //===----------------------------------------------------------------------===//
383 // Control Flow Instructions...
386 // Return instructions.
387 let isTerminator = 1, isReturn = 1, isBarrier = 1,
388 hasCtrlDep = 1, noResults = 1 in {
389 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
390 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
391 [(X86retflag imm:$amt)]>;
394 // All branches are RawFrm, Void, Branch, and Terminators
395 let isBranch = 1, isTerminator = 1, noResults = 1 in
396 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
397 I<opcode, RawFrm, ops, asm, pattern>;
400 let isBranch = 1, isBarrier = 1 in
401 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
403 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
404 def JMP32r : I<0xFF, MRM4r, (ops GR32:$dst), "jmp{l} {*}$dst",
405 [(brind GR32:$dst)]>;
406 def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst",
407 [(brind (loadi32 addr:$dst))]>;
410 // Conditional branches
411 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
412 [(X86brcond bb:$dst, X86_COND_E)]>, TB;
413 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
414 [(X86brcond bb:$dst, X86_COND_NE)]>, TB;
415 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
416 [(X86brcond bb:$dst, X86_COND_L)]>, TB;
417 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
418 [(X86brcond bb:$dst, X86_COND_LE)]>, TB;
419 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
420 [(X86brcond bb:$dst, X86_COND_G)]>, TB;
421 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
422 [(X86brcond bb:$dst, X86_COND_GE)]>, TB;
424 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
425 [(X86brcond bb:$dst, X86_COND_B)]>, TB;
426 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
427 [(X86brcond bb:$dst, X86_COND_BE)]>, TB;
428 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
429 [(X86brcond bb:$dst, X86_COND_A)]>, TB;
430 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
431 [(X86brcond bb:$dst, X86_COND_AE)]>, TB;
433 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
434 [(X86brcond bb:$dst, X86_COND_S)]>, TB;
435 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
436 [(X86brcond bb:$dst, X86_COND_NS)]>, TB;
437 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
438 [(X86brcond bb:$dst, X86_COND_P)]>, TB;
439 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
440 [(X86brcond bb:$dst, X86_COND_NP)]>, TB;
441 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
442 [(X86brcond bb:$dst, X86_COND_O)]>, TB;
443 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
444 [(X86brcond bb:$dst, X86_COND_NO)]>, TB;
446 //===----------------------------------------------------------------------===//
447 // Call Instructions...
449 let isCall = 1, noResults = 1 in
450 // All calls clobber the non-callee saved registers...
451 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
452 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
453 def CALLpcrel32 : I<0xE8, RawFrm, (ops i32imm:$dst, variable_ops),
454 "call ${dst:call}", []>;
455 def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst, variable_ops),
456 "call {*}$dst", [(X86call GR32:$dst)]>;
457 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst, variable_ops),
462 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
463 def TAILJMPd : IBr<0xE9, (ops i32imm:$dst), "jmp ${dst:call} # TAIL CALL",
465 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
466 def TAILJMPr : I<0xFF, MRM4r, (ops GR32:$dst), "jmp {*}$dst # TAIL CALL",
468 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
469 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
470 "jmp {*}$dst # TAIL CALL", []>;
472 //===----------------------------------------------------------------------===//
473 // Miscellaneous Instructions...
475 def LEAVE : I<0xC9, RawFrm,
476 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
477 def POP32r : I<0x58, AddRegFrm,
478 (ops GR32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
480 def MovePCtoStack : I<0, Pseudo, (ops piclabel:$label),
483 let isTwoAddress = 1 in // GR32 = bswap GR32
484 def BSWAP32r : I<0xC8, AddRegFrm,
485 (ops GR32:$dst, GR32:$src),
487 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
489 def XCHG8rr : I<0x86, MRMDestReg, // xchg GR8, GR8
490 (ops GR8:$src1, GR8:$src2),
491 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
492 def XCHG16rr : I<0x87, MRMDestReg, // xchg GR16, GR16
493 (ops GR16:$src1, GR16:$src2),
494 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
495 def XCHG32rr : I<0x87, MRMDestReg, // xchg GR32, GR32
496 (ops GR32:$src1, GR32:$src2),
497 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
499 def XCHG8mr : I<0x86, MRMDestMem,
500 (ops i8mem:$src1, GR8:$src2),
501 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
502 def XCHG16mr : I<0x87, MRMDestMem,
503 (ops i16mem:$src1, GR16:$src2),
504 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
505 def XCHG32mr : I<0x87, MRMDestMem,
506 (ops i32mem:$src1, GR32:$src2),
507 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
508 def XCHG8rm : I<0x86, MRMSrcMem,
509 (ops GR8:$src1, i8mem:$src2),
510 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
511 def XCHG16rm : I<0x87, MRMSrcMem,
512 (ops GR16:$src1, i16mem:$src2),
513 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
514 def XCHG32rm : I<0x87, MRMSrcMem,
515 (ops GR32:$src1, i32mem:$src2),
516 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
518 def LEA16r : I<0x8D, MRMSrcMem,
519 (ops GR16:$dst, i32mem:$src),
520 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
521 def LEA32r : I<0x8D, MRMSrcMem,
522 (ops GR32:$dst, lea32mem:$src),
523 "lea{l} {$src|$dst}, {$dst|$src}",
524 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
526 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
528 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
529 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
530 [(X86rep_movs i16)]>,
531 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
532 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsl|rep movsd}",
533 [(X86rep_movs i32)]>,
534 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
536 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
538 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
539 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
540 [(X86rep_stos i16)]>,
541 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
542 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
543 [(X86rep_stos i32)]>,
544 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
546 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
547 TB, Imp<[],[RAX,RDX]>;
549 //===----------------------------------------------------------------------===//
550 // Input/Output Instructions...
552 def IN8rr : I<0xEC, RawFrm, (ops),
553 "in{b} {%dx, %al|%AL, %DX}",
554 []>, Imp<[DX], [AL]>;
555 def IN16rr : I<0xED, RawFrm, (ops),
556 "in{w} {%dx, %ax|%AX, %DX}",
557 []>, Imp<[DX], [AX]>, OpSize;
558 def IN32rr : I<0xED, RawFrm, (ops),
559 "in{l} {%dx, %eax|%EAX, %DX}",
560 []>, Imp<[DX],[EAX]>;
562 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
563 "in{b} {$port, %al|%AL, $port}",
566 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
567 "in{w} {$port, %ax|%AX, $port}",
569 Imp<[], [AX]>, OpSize;
570 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
571 "in{l} {$port, %eax|%EAX, $port}",
575 def OUT8rr : I<0xEE, RawFrm, (ops),
576 "out{b} {%al, %dx|%DX, %AL}",
577 []>, Imp<[DX, AL], []>;
578 def OUT16rr : I<0xEF, RawFrm, (ops),
579 "out{w} {%ax, %dx|%DX, %AX}",
580 []>, Imp<[DX, AX], []>, OpSize;
581 def OUT32rr : I<0xEF, RawFrm, (ops),
582 "out{l} {%eax, %dx|%DX, %EAX}",
583 []>, Imp<[DX, EAX], []>;
585 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
586 "out{b} {%al, $port|$port, %AL}",
589 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
590 "out{w} {%ax, $port|$port, %AX}",
592 Imp<[AX], []>, OpSize;
593 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
594 "out{l} {%eax, $port|$port, %EAX}",
598 //===----------------------------------------------------------------------===//
599 // Move Instructions...
601 def MOV8rr : I<0x88, MRMDestReg, (ops GR8 :$dst, GR8 :$src),
602 "mov{b} {$src, $dst|$dst, $src}", []>;
603 def MOV16rr : I<0x89, MRMDestReg, (ops GR16:$dst, GR16:$src),
604 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
605 def MOV32rr : I<0x89, MRMDestReg, (ops GR32:$dst, GR32:$src),
606 "mov{l} {$src, $dst|$dst, $src}", []>;
607 let isReMaterializable = 1 in {
608 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops GR8 :$dst, i8imm :$src),
609 "mov{b} {$src, $dst|$dst, $src}",
610 [(set GR8:$dst, imm:$src)]>;
611 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops GR16:$dst, i16imm:$src),
612 "mov{w} {$src, $dst|$dst, $src}",
613 [(set GR16:$dst, imm:$src)]>, OpSize;
614 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops GR32:$dst, i32imm:$src),
615 "mov{l} {$src, $dst|$dst, $src}",
616 [(set GR32:$dst, imm:$src)]>;
618 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
619 "mov{b} {$src, $dst|$dst, $src}",
620 [(store (i8 imm:$src), addr:$dst)]>;
621 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
622 "mov{w} {$src, $dst|$dst, $src}",
623 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
624 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
625 "mov{l} {$src, $dst|$dst, $src}",
626 [(store (i32 imm:$src), addr:$dst)]>;
628 def MOV8rm : I<0x8A, MRMSrcMem, (ops GR8 :$dst, i8mem :$src),
629 "mov{b} {$src, $dst|$dst, $src}",
630 [(set GR8:$dst, (load addr:$src))]>;
631 def MOV16rm : I<0x8B, MRMSrcMem, (ops GR16:$dst, i16mem:$src),
632 "mov{w} {$src, $dst|$dst, $src}",
633 [(set GR16:$dst, (load addr:$src))]>, OpSize;
634 def MOV32rm : I<0x8B, MRMSrcMem, (ops GR32:$dst, i32mem:$src),
635 "mov{l} {$src, $dst|$dst, $src}",
636 [(set GR32:$dst, (load addr:$src))]>;
638 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, GR8 :$src),
639 "mov{b} {$src, $dst|$dst, $src}",
640 [(store GR8:$src, addr:$dst)]>;
641 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, GR16:$src),
642 "mov{w} {$src, $dst|$dst, $src}",
643 [(store GR16:$src, addr:$dst)]>, OpSize;
644 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, GR32:$src),
645 "mov{l} {$src, $dst|$dst, $src}",
646 [(store GR32:$src, addr:$dst)]>;
648 //===----------------------------------------------------------------------===//
649 // Fixed-Register Multiplication and Division Instructions...
652 // Extra precision multiplication
653 def MUL8r : I<0xF6, MRM4r, (ops GR8:$src), "mul{b} $src",
654 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
655 // This probably ought to be moved to a def : Pat<> if the
656 // syntax can be accepted.
657 [(set AL, (mul AL, GR8:$src))]>,
658 Imp<[AL],[AX]>; // AL,AH = AL*GR8
659 def MUL16r : I<0xF7, MRM4r, (ops GR16:$src), "mul{w} $src", []>,
660 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*GR16
661 def MUL32r : I<0xF7, MRM4r, (ops GR32:$src), "mul{l} $src", []>,
662 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*GR32
663 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
665 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
666 // This probably ought to be moved to a def : Pat<> if the
667 // syntax can be accepted.
668 [(set AL, (mul AL, (loadi8 addr:$src)))]>,
669 Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
670 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
671 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
672 OpSize; // AX,DX = AX*[mem16]
673 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
674 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
676 def IMUL8r : I<0xF6, MRM5r, (ops GR8:$src), "imul{b} $src", []>,
677 Imp<[AL],[AX]>; // AL,AH = AL*GR8
678 def IMUL16r : I<0xF7, MRM5r, (ops GR16:$src), "imul{w} $src", []>,
679 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*GR16
680 def IMUL32r : I<0xF7, MRM5r, (ops GR32:$src), "imul{l} $src", []>,
681 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*GR32
682 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
683 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
684 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
685 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
686 OpSize; // AX,DX = AX*[mem16]
687 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
689 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
691 // unsigned division/remainder
692 def DIV8r : I<0xF6, MRM6r, (ops GR8:$src), // AX/r8 = AL,AH
693 "div{b} $src", []>, Imp<[AX],[AX]>;
694 def DIV16r : I<0xF7, MRM6r, (ops GR16:$src), // DX:AX/r16 = AX,DX
695 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
696 def DIV32r : I<0xF7, MRM6r, (ops GR32:$src), // EDX:EAX/r32 = EAX,EDX
697 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
698 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
699 "div{b} $src", []>, Imp<[AX],[AX]>;
700 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
701 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
702 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
703 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
705 // Signed division/remainder.
706 def IDIV8r : I<0xF6, MRM7r, (ops GR8:$src), // AX/r8 = AL,AH
707 "idiv{b} $src", []>, Imp<[AX],[AX]>;
708 def IDIV16r: I<0xF7, MRM7r, (ops GR16:$src), // DX:AX/r16 = AX,DX
709 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
710 def IDIV32r: I<0xF7, MRM7r, (ops GR32:$src), // EDX:EAX/r32 = EAX,EDX
711 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
712 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
713 "idiv{b} $src", []>, Imp<[AX],[AX]>;
714 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
715 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
716 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
717 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
720 //===----------------------------------------------------------------------===//
721 // Two address Instructions...
723 let isTwoAddress = 1 in {
726 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
727 (ops GR16:$dst, GR16:$src1, GR16:$src2),
728 "cmovb {$src2, $dst|$dst, $src2}",
729 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
732 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
733 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
734 "cmovb {$src2, $dst|$dst, $src2}",
735 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
738 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
739 (ops GR32:$dst, GR32:$src1, GR32:$src2),
740 "cmovb {$src2, $dst|$dst, $src2}",
741 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
744 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
745 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
746 "cmovb {$src2, $dst|$dst, $src2}",
747 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
751 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
752 (ops GR16:$dst, GR16:$src1, GR16:$src2),
753 "cmovae {$src2, $dst|$dst, $src2}",
754 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
757 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
758 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
759 "cmovae {$src2, $dst|$dst, $src2}",
760 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
763 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
764 (ops GR32:$dst, GR32:$src1, GR32:$src2),
765 "cmovae {$src2, $dst|$dst, $src2}",
766 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
769 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
770 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
771 "cmovae {$src2, $dst|$dst, $src2}",
772 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
776 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
777 (ops GR16:$dst, GR16:$src1, GR16:$src2),
778 "cmove {$src2, $dst|$dst, $src2}",
779 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
782 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
783 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
784 "cmove {$src2, $dst|$dst, $src2}",
785 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
788 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
789 (ops GR32:$dst, GR32:$src1, GR32:$src2),
790 "cmove {$src2, $dst|$dst, $src2}",
791 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
794 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
795 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
796 "cmove {$src2, $dst|$dst, $src2}",
797 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
801 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
802 (ops GR16:$dst, GR16:$src1, GR16:$src2),
803 "cmovne {$src2, $dst|$dst, $src2}",
804 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
807 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
808 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
809 "cmovne {$src2, $dst|$dst, $src2}",
810 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
813 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
814 (ops GR32:$dst, GR32:$src1, GR32:$src2),
815 "cmovne {$src2, $dst|$dst, $src2}",
816 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
819 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
820 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
821 "cmovne {$src2, $dst|$dst, $src2}",
822 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
826 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
827 (ops GR16:$dst, GR16:$src1, GR16:$src2),
828 "cmovbe {$src2, $dst|$dst, $src2}",
829 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
832 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
833 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
834 "cmovbe {$src2, $dst|$dst, $src2}",
835 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
838 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
839 (ops GR32:$dst, GR32:$src1, GR32:$src2),
840 "cmovbe {$src2, $dst|$dst, $src2}",
841 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
844 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
845 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
846 "cmovbe {$src2, $dst|$dst, $src2}",
847 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
851 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
852 (ops GR16:$dst, GR16:$src1, GR16:$src2),
853 "cmova {$src2, $dst|$dst, $src2}",
854 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
857 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
858 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
859 "cmova {$src2, $dst|$dst, $src2}",
860 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
863 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
864 (ops GR32:$dst, GR32:$src1, GR32:$src2),
865 "cmova {$src2, $dst|$dst, $src2}",
866 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
869 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
870 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
871 "cmova {$src2, $dst|$dst, $src2}",
872 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
876 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
877 (ops GR16:$dst, GR16:$src1, GR16:$src2),
878 "cmovl {$src2, $dst|$dst, $src2}",
879 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
882 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
883 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
884 "cmovl {$src2, $dst|$dst, $src2}",
885 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
888 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
889 (ops GR32:$dst, GR32:$src1, GR32:$src2),
890 "cmovl {$src2, $dst|$dst, $src2}",
891 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
894 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
895 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
896 "cmovl {$src2, $dst|$dst, $src2}",
897 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
901 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
902 (ops GR16:$dst, GR16:$src1, GR16:$src2),
903 "cmovge {$src2, $dst|$dst, $src2}",
904 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
907 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
908 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
909 "cmovge {$src2, $dst|$dst, $src2}",
910 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
913 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
914 (ops GR32:$dst, GR32:$src1, GR32:$src2),
915 "cmovge {$src2, $dst|$dst, $src2}",
916 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
919 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
920 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
921 "cmovge {$src2, $dst|$dst, $src2}",
922 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
926 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
927 (ops GR16:$dst, GR16:$src1, GR16:$src2),
928 "cmovle {$src2, $dst|$dst, $src2}",
929 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
932 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
933 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
934 "cmovle {$src2, $dst|$dst, $src2}",
935 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
938 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
939 (ops GR32:$dst, GR32:$src1, GR32:$src2),
940 "cmovle {$src2, $dst|$dst, $src2}",
941 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
944 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
945 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
946 "cmovle {$src2, $dst|$dst, $src2}",
947 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
951 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
952 (ops GR16:$dst, GR16:$src1, GR16:$src2),
953 "cmovg {$src2, $dst|$dst, $src2}",
954 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
957 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
958 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
959 "cmovg {$src2, $dst|$dst, $src2}",
960 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
963 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
964 (ops GR32:$dst, GR32:$src1, GR32:$src2),
965 "cmovg {$src2, $dst|$dst, $src2}",
966 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
969 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
970 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
971 "cmovg {$src2, $dst|$dst, $src2}",
972 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
976 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
977 (ops GR16:$dst, GR16:$src1, GR16:$src2),
978 "cmovs {$src2, $dst|$dst, $src2}",
979 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
982 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
983 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
984 "cmovs {$src2, $dst|$dst, $src2}",
985 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
988 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
989 (ops GR32:$dst, GR32:$src1, GR32:$src2),
990 "cmovs {$src2, $dst|$dst, $src2}",
991 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
994 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
995 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
996 "cmovs {$src2, $dst|$dst, $src2}",
997 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1001 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1002 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1003 "cmovns {$src2, $dst|$dst, $src2}",
1004 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1007 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1008 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1009 "cmovns {$src2, $dst|$dst, $src2}",
1010 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1013 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1014 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1015 "cmovns {$src2, $dst|$dst, $src2}",
1016 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1019 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1020 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1021 "cmovns {$src2, $dst|$dst, $src2}",
1022 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1026 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1027 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1028 "cmovp {$src2, $dst|$dst, $src2}",
1029 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1032 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1033 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1034 "cmovp {$src2, $dst|$dst, $src2}",
1035 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1038 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1039 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1040 "cmovp {$src2, $dst|$dst, $src2}",
1041 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1044 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1045 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1046 "cmovp {$src2, $dst|$dst, $src2}",
1047 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1051 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1052 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1053 "cmovnp {$src2, $dst|$dst, $src2}",
1054 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1057 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1058 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1059 "cmovnp {$src2, $dst|$dst, $src2}",
1060 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1063 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1064 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1065 "cmovnp {$src2, $dst|$dst, $src2}",
1066 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1069 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1070 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1071 "cmovnp {$src2, $dst|$dst, $src2}",
1072 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1077 // unary instructions
1078 let CodeSize = 2 in {
1079 def NEG8r : I<0xF6, MRM3r, (ops GR8 :$dst, GR8 :$src), "neg{b} $dst",
1080 [(set GR8:$dst, (ineg GR8:$src))]>;
1081 def NEG16r : I<0xF7, MRM3r, (ops GR16:$dst, GR16:$src), "neg{w} $dst",
1082 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1083 def NEG32r : I<0xF7, MRM3r, (ops GR32:$dst, GR32:$src), "neg{l} $dst",
1084 [(set GR32:$dst, (ineg GR32:$src))]>;
1085 let isTwoAddress = 0 in {
1086 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1087 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1088 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1089 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1090 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1091 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1095 def NOT8r : I<0xF6, MRM2r, (ops GR8 :$dst, GR8 :$src), "not{b} $dst",
1096 [(set GR8:$dst, (not GR8:$src))]>;
1097 def NOT16r : I<0xF7, MRM2r, (ops GR16:$dst, GR16:$src), "not{w} $dst",
1098 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1099 def NOT32r : I<0xF7, MRM2r, (ops GR32:$dst, GR32:$src), "not{l} $dst",
1100 [(set GR32:$dst, (not GR32:$src))]>;
1101 let isTwoAddress = 0 in {
1102 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1103 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1104 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1105 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1106 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1107 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1111 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1113 def INC8r : I<0xFE, MRM0r, (ops GR8 :$dst, GR8 :$src), "inc{b} $dst",
1114 [(set GR8:$dst, (add GR8:$src, 1))]>;
1115 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1116 def INC16r : I<0x40, AddRegFrm, (ops GR16:$dst, GR16:$src), "inc{w} $dst",
1117 [(set GR16:$dst, (add GR16:$src, 1))]>,
1118 OpSize, Requires<[In32BitMode]>;
1119 def INC32r : I<0x40, AddRegFrm, (ops GR32:$dst, GR32:$src), "inc{l} $dst",
1120 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1122 let isTwoAddress = 0, CodeSize = 2 in {
1123 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1124 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1125 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1126 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1127 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1128 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1132 def DEC8r : I<0xFE, MRM1r, (ops GR8 :$dst, GR8 :$src), "dec{b} $dst",
1133 [(set GR8:$dst, (add GR8:$src, -1))]>;
1134 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1135 def DEC16r : I<0x48, AddRegFrm, (ops GR16:$dst, GR16:$src), "dec{w} $dst",
1136 [(set GR16:$dst, (add GR16:$src, -1))]>,
1137 OpSize, Requires<[In32BitMode]>;
1138 def DEC32r : I<0x48, AddRegFrm, (ops GR32:$dst, GR32:$src), "dec{l} $dst",
1139 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1142 let isTwoAddress = 0, CodeSize = 2 in {
1143 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1144 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1145 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1146 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1147 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1148 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1151 // Logical operators...
1152 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1153 def AND8rr : I<0x20, MRMDestReg,
1154 (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1155 "and{b} {$src2, $dst|$dst, $src2}",
1156 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1157 def AND16rr : I<0x21, MRMDestReg,
1158 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1159 "and{w} {$src2, $dst|$dst, $src2}",
1160 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1161 def AND32rr : I<0x21, MRMDestReg,
1162 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1163 "and{l} {$src2, $dst|$dst, $src2}",
1164 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1167 def AND8rm : I<0x22, MRMSrcMem,
1168 (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1169 "and{b} {$src2, $dst|$dst, $src2}",
1170 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1171 def AND16rm : I<0x23, MRMSrcMem,
1172 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1173 "and{w} {$src2, $dst|$dst, $src2}",
1174 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1175 def AND32rm : I<0x23, MRMSrcMem,
1176 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1177 "and{l} {$src2, $dst|$dst, $src2}",
1178 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1180 def AND8ri : Ii8<0x80, MRM4r,
1181 (ops GR8 :$dst, GR8 :$src1, i8imm :$src2),
1182 "and{b} {$src2, $dst|$dst, $src2}",
1183 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1184 def AND16ri : Ii16<0x81, MRM4r,
1185 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1186 "and{w} {$src2, $dst|$dst, $src2}",
1187 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1188 def AND32ri : Ii32<0x81, MRM4r,
1189 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1190 "and{l} {$src2, $dst|$dst, $src2}",
1191 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1192 def AND16ri8 : Ii8<0x83, MRM4r,
1193 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1194 "and{w} {$src2, $dst|$dst, $src2}",
1195 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1197 def AND32ri8 : Ii8<0x83, MRM4r,
1198 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1199 "and{l} {$src2, $dst|$dst, $src2}",
1200 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1202 let isTwoAddress = 0 in {
1203 def AND8mr : I<0x20, MRMDestMem,
1204 (ops i8mem :$dst, GR8 :$src),
1205 "and{b} {$src, $dst|$dst, $src}",
1206 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1207 def AND16mr : I<0x21, MRMDestMem,
1208 (ops i16mem:$dst, GR16:$src),
1209 "and{w} {$src, $dst|$dst, $src}",
1210 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1212 def AND32mr : I<0x21, MRMDestMem,
1213 (ops i32mem:$dst, GR32:$src),
1214 "and{l} {$src, $dst|$dst, $src}",
1215 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1216 def AND8mi : Ii8<0x80, MRM4m,
1217 (ops i8mem :$dst, i8imm :$src),
1218 "and{b} {$src, $dst|$dst, $src}",
1219 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1220 def AND16mi : Ii16<0x81, MRM4m,
1221 (ops i16mem:$dst, i16imm:$src),
1222 "and{w} {$src, $dst|$dst, $src}",
1223 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1225 def AND32mi : Ii32<0x81, MRM4m,
1226 (ops i32mem:$dst, i32imm:$src),
1227 "and{l} {$src, $dst|$dst, $src}",
1228 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1229 def AND16mi8 : Ii8<0x83, MRM4m,
1230 (ops i16mem:$dst, i16i8imm :$src),
1231 "and{w} {$src, $dst|$dst, $src}",
1232 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1234 def AND32mi8 : Ii8<0x83, MRM4m,
1235 (ops i32mem:$dst, i32i8imm :$src),
1236 "and{l} {$src, $dst|$dst, $src}",
1237 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1241 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1242 def OR8rr : I<0x08, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1243 "or{b} {$src2, $dst|$dst, $src2}",
1244 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1245 def OR16rr : I<0x09, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1246 "or{w} {$src2, $dst|$dst, $src2}",
1247 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1248 def OR32rr : I<0x09, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1249 "or{l} {$src2, $dst|$dst, $src2}",
1250 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1252 def OR8rm : I<0x0A, MRMSrcMem , (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1253 "or{b} {$src2, $dst|$dst, $src2}",
1254 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1255 def OR16rm : I<0x0B, MRMSrcMem , (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1256 "or{w} {$src2, $dst|$dst, $src2}",
1257 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1258 def OR32rm : I<0x0B, MRMSrcMem , (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1259 "or{l} {$src2, $dst|$dst, $src2}",
1260 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1262 def OR8ri : Ii8 <0x80, MRM1r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1263 "or{b} {$src2, $dst|$dst, $src2}",
1264 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1265 def OR16ri : Ii16<0x81, MRM1r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1266 "or{w} {$src2, $dst|$dst, $src2}",
1267 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1268 def OR32ri : Ii32<0x81, MRM1r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1269 "or{l} {$src2, $dst|$dst, $src2}",
1270 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1272 def OR16ri8 : Ii8<0x83, MRM1r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1273 "or{w} {$src2, $dst|$dst, $src2}",
1274 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1275 def OR32ri8 : Ii8<0x83, MRM1r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1276 "or{l} {$src2, $dst|$dst, $src2}",
1277 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1278 let isTwoAddress = 0 in {
1279 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, GR8:$src),
1280 "or{b} {$src, $dst|$dst, $src}",
1281 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1282 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, GR16:$src),
1283 "or{w} {$src, $dst|$dst, $src}",
1284 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1285 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, GR32:$src),
1286 "or{l} {$src, $dst|$dst, $src}",
1287 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1288 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1289 "or{b} {$src, $dst|$dst, $src}",
1290 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1291 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1292 "or{w} {$src, $dst|$dst, $src}",
1293 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1295 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1296 "or{l} {$src, $dst|$dst, $src}",
1297 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1298 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1299 "or{w} {$src, $dst|$dst, $src}",
1300 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1302 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1303 "or{l} {$src, $dst|$dst, $src}",
1304 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1308 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1309 def XOR8rr : I<0x30, MRMDestReg,
1310 (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1311 "xor{b} {$src2, $dst|$dst, $src2}",
1312 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1313 def XOR16rr : I<0x31, MRMDestReg,
1314 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1315 "xor{w} {$src2, $dst|$dst, $src2}",
1316 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1317 def XOR32rr : I<0x31, MRMDestReg,
1318 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1319 "xor{l} {$src2, $dst|$dst, $src2}",
1320 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1323 def XOR8rm : I<0x32, MRMSrcMem ,
1324 (ops GR8 :$dst, GR8:$src1, i8mem :$src2),
1325 "xor{b} {$src2, $dst|$dst, $src2}",
1326 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1327 def XOR16rm : I<0x33, MRMSrcMem ,
1328 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1329 "xor{w} {$src2, $dst|$dst, $src2}",
1330 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>, OpSize;
1331 def XOR32rm : I<0x33, MRMSrcMem ,
1332 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1333 "xor{l} {$src2, $dst|$dst, $src2}",
1334 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1336 def XOR8ri : Ii8<0x80, MRM6r,
1337 (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1338 "xor{b} {$src2, $dst|$dst, $src2}",
1339 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1340 def XOR16ri : Ii16<0x81, MRM6r,
1341 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1342 "xor{w} {$src2, $dst|$dst, $src2}",
1343 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1344 def XOR32ri : Ii32<0x81, MRM6r,
1345 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1346 "xor{l} {$src2, $dst|$dst, $src2}",
1347 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1348 def XOR16ri8 : Ii8<0x83, MRM6r,
1349 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1350 "xor{w} {$src2, $dst|$dst, $src2}",
1351 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1353 def XOR32ri8 : Ii8<0x83, MRM6r,
1354 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1355 "xor{l} {$src2, $dst|$dst, $src2}",
1356 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1357 let isTwoAddress = 0 in {
1358 def XOR8mr : I<0x30, MRMDestMem,
1359 (ops i8mem :$dst, GR8 :$src),
1360 "xor{b} {$src, $dst|$dst, $src}",
1361 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1362 def XOR16mr : I<0x31, MRMDestMem,
1363 (ops i16mem:$dst, GR16:$src),
1364 "xor{w} {$src, $dst|$dst, $src}",
1365 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1367 def XOR32mr : I<0x31, MRMDestMem,
1368 (ops i32mem:$dst, GR32:$src),
1369 "xor{l} {$src, $dst|$dst, $src}",
1370 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1371 def XOR8mi : Ii8<0x80, MRM6m,
1372 (ops i8mem :$dst, i8imm :$src),
1373 "xor{b} {$src, $dst|$dst, $src}",
1374 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1375 def XOR16mi : Ii16<0x81, MRM6m,
1376 (ops i16mem:$dst, i16imm:$src),
1377 "xor{w} {$src, $dst|$dst, $src}",
1378 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1380 def XOR32mi : Ii32<0x81, MRM6m,
1381 (ops i32mem:$dst, i32imm:$src),
1382 "xor{l} {$src, $dst|$dst, $src}",
1383 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1384 def XOR16mi8 : Ii8<0x83, MRM6m,
1385 (ops i16mem:$dst, i16i8imm :$src),
1386 "xor{w} {$src, $dst|$dst, $src}",
1387 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1389 def XOR32mi8 : Ii8<0x83, MRM6m,
1390 (ops i32mem:$dst, i32i8imm :$src),
1391 "xor{l} {$src, $dst|$dst, $src}",
1392 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1395 // Shift instructions
1396 def SHL8rCL : I<0xD2, MRM4r, (ops GR8 :$dst, GR8 :$src),
1397 "shl{b} {%cl, $dst|$dst, %CL}",
1398 [(set GR8:$dst, (shl GR8:$src, CL))]>, Imp<[CL],[]>;
1399 def SHL16rCL : I<0xD3, MRM4r, (ops GR16:$dst, GR16:$src),
1400 "shl{w} {%cl, $dst|$dst, %CL}",
1401 [(set GR16:$dst, (shl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1402 def SHL32rCL : I<0xD3, MRM4r, (ops GR32:$dst, GR32:$src),
1403 "shl{l} {%cl, $dst|$dst, %CL}",
1404 [(set GR32:$dst, (shl GR32:$src, CL))]>, Imp<[CL],[]>;
1406 def SHL8ri : Ii8<0xC0, MRM4r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1407 "shl{b} {$src2, $dst|$dst, $src2}",
1408 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1409 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1410 def SHL16ri : Ii8<0xC1, MRM4r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1411 "shl{w} {$src2, $dst|$dst, $src2}",
1412 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1413 def SHL32ri : Ii8<0xC1, MRM4r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1414 "shl{l} {$src2, $dst|$dst, $src2}",
1415 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1418 // Shift left by one. Not used because (add x, x) is slightly cheaper.
1419 def SHL8r1 : I<0xD0, MRM4r, (ops GR8 :$dst, GR8 :$src1),
1421 def SHL16r1 : I<0xD1, MRM4r, (ops GR16:$dst, GR16:$src1),
1422 "shl{w} $dst", []>, OpSize;
1423 def SHL32r1 : I<0xD1, MRM4r, (ops GR32:$dst, GR32:$src1),
1426 let isTwoAddress = 0 in {
1427 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1428 "shl{b} {%cl, $dst|$dst, %CL}",
1429 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1431 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1432 "shl{w} {%cl, $dst|$dst, %CL}",
1433 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1434 Imp<[CL],[]>, OpSize;
1435 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1436 "shl{l} {%cl, $dst|$dst, %CL}",
1437 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1439 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1440 "shl{b} {$src, $dst|$dst, $src}",
1441 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1442 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1443 "shl{w} {$src, $dst|$dst, $src}",
1444 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1446 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1447 "shl{l} {$src, $dst|$dst, $src}",
1448 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1451 def SHL8m1 : I<0xD0, MRM4m, (ops i8mem :$dst),
1453 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1454 def SHL16m1 : I<0xD1, MRM4m, (ops i16mem:$dst),
1456 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1458 def SHL32m1 : I<0xD1, MRM4m, (ops i32mem:$dst),
1460 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1463 def SHR8rCL : I<0xD2, MRM5r, (ops GR8 :$dst, GR8 :$src),
1464 "shr{b} {%cl, $dst|$dst, %CL}",
1465 [(set GR8:$dst, (srl GR8:$src, CL))]>, Imp<[CL],[]>;
1466 def SHR16rCL : I<0xD3, MRM5r, (ops GR16:$dst, GR16:$src),
1467 "shr{w} {%cl, $dst|$dst, %CL}",
1468 [(set GR16:$dst, (srl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1469 def SHR32rCL : I<0xD3, MRM5r, (ops GR32:$dst, GR32:$src),
1470 "shr{l} {%cl, $dst|$dst, %CL}",
1471 [(set GR32:$dst, (srl GR32:$src, CL))]>, Imp<[CL],[]>;
1473 def SHR8ri : Ii8<0xC0, MRM5r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1474 "shr{b} {$src2, $dst|$dst, $src2}",
1475 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1476 def SHR16ri : Ii8<0xC1, MRM5r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1477 "shr{w} {$src2, $dst|$dst, $src2}",
1478 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1479 def SHR32ri : Ii8<0xC1, MRM5r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1480 "shr{l} {$src2, $dst|$dst, $src2}",
1481 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1484 def SHR8r1 : I<0xD0, MRM5r, (ops GR8:$dst, GR8:$src1),
1486 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1487 def SHR16r1 : I<0xD1, MRM5r, (ops GR16:$dst, GR16:$src1),
1489 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1490 def SHR32r1 : I<0xD1, MRM5r, (ops GR32:$dst, GR32:$src1),
1492 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1494 let isTwoAddress = 0 in {
1495 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1496 "shr{b} {%cl, $dst|$dst, %CL}",
1497 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1499 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1500 "shr{w} {%cl, $dst|$dst, %CL}",
1501 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1502 Imp<[CL],[]>, OpSize;
1503 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1504 "shr{l} {%cl, $dst|$dst, %CL}",
1505 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1507 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1508 "shr{b} {$src, $dst|$dst, $src}",
1509 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1510 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1511 "shr{w} {$src, $dst|$dst, $src}",
1512 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1514 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1515 "shr{l} {$src, $dst|$dst, $src}",
1516 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1519 def SHR8m1 : I<0xD0, MRM5m, (ops i8mem :$dst),
1521 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1522 def SHR16m1 : I<0xD1, MRM5m, (ops i16mem:$dst),
1524 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1525 def SHR32m1 : I<0xD1, MRM5m, (ops i32mem:$dst),
1527 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1530 def SAR8rCL : I<0xD2, MRM7r, (ops GR8 :$dst, GR8 :$src),
1531 "sar{b} {%cl, $dst|$dst, %CL}",
1532 [(set GR8:$dst, (sra GR8:$src, CL))]>, Imp<[CL],[]>;
1533 def SAR16rCL : I<0xD3, MRM7r, (ops GR16:$dst, GR16:$src),
1534 "sar{w} {%cl, $dst|$dst, %CL}",
1535 [(set GR16:$dst, (sra GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1536 def SAR32rCL : I<0xD3, MRM7r, (ops GR32:$dst, GR32:$src),
1537 "sar{l} {%cl, $dst|$dst, %CL}",
1538 [(set GR32:$dst, (sra GR32:$src, CL))]>, Imp<[CL],[]>;
1540 def SAR8ri : Ii8<0xC0, MRM7r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1541 "sar{b} {$src2, $dst|$dst, $src2}",
1542 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1543 def SAR16ri : Ii8<0xC1, MRM7r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1544 "sar{w} {$src2, $dst|$dst, $src2}",
1545 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1547 def SAR32ri : Ii8<0xC1, MRM7r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1548 "sar{l} {$src2, $dst|$dst, $src2}",
1549 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1552 def SAR8r1 : I<0xD0, MRM7r, (ops GR8 :$dst, GR8 :$src1),
1554 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1555 def SAR16r1 : I<0xD1, MRM7r, (ops GR16:$dst, GR16:$src1),
1557 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1558 def SAR32r1 : I<0xD1, MRM7r, (ops GR32:$dst, GR32:$src1),
1560 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1562 let isTwoAddress = 0 in {
1563 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1564 "sar{b} {%cl, $dst|$dst, %CL}",
1565 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1567 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1568 "sar{w} {%cl, $dst|$dst, %CL}",
1569 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1570 Imp<[CL],[]>, OpSize;
1571 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1572 "sar{l} {%cl, $dst|$dst, %CL}",
1573 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1575 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1576 "sar{b} {$src, $dst|$dst, $src}",
1577 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1578 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1579 "sar{w} {$src, $dst|$dst, $src}",
1580 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1582 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1583 "sar{l} {$src, $dst|$dst, $src}",
1584 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1587 def SAR8m1 : I<0xD0, MRM7m, (ops i8mem :$dst),
1589 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1590 def SAR16m1 : I<0xD1, MRM7m, (ops i16mem:$dst),
1592 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1594 def SAR32m1 : I<0xD1, MRM7m, (ops i32mem:$dst),
1596 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1599 // Rotate instructions
1600 // FIXME: provide shorter instructions when imm8 == 1
1601 def ROL8rCL : I<0xD2, MRM0r, (ops GR8 :$dst, GR8 :$src),
1602 "rol{b} {%cl, $dst|$dst, %CL}",
1603 [(set GR8:$dst, (rotl GR8:$src, CL))]>, Imp<[CL],[]>;
1604 def ROL16rCL : I<0xD3, MRM0r, (ops GR16:$dst, GR16:$src),
1605 "rol{w} {%cl, $dst|$dst, %CL}",
1606 [(set GR16:$dst, (rotl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1607 def ROL32rCL : I<0xD3, MRM0r, (ops GR32:$dst, GR32:$src),
1608 "rol{l} {%cl, $dst|$dst, %CL}",
1609 [(set GR32:$dst, (rotl GR32:$src, CL))]>, Imp<[CL],[]>;
1611 def ROL8ri : Ii8<0xC0, MRM0r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1612 "rol{b} {$src2, $dst|$dst, $src2}",
1613 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1614 def ROL16ri : Ii8<0xC1, MRM0r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1615 "rol{w} {$src2, $dst|$dst, $src2}",
1616 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1617 def ROL32ri : Ii8<0xC1, MRM0r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1618 "rol{l} {$src2, $dst|$dst, $src2}",
1619 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1622 def ROL8r1 : I<0xD0, MRM0r, (ops GR8 :$dst, GR8 :$src1),
1624 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1625 def ROL16r1 : I<0xD1, MRM0r, (ops GR16:$dst, GR16:$src1),
1627 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1628 def ROL32r1 : I<0xD1, MRM0r, (ops GR32:$dst, GR32:$src1),
1630 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1632 let isTwoAddress = 0 in {
1633 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1634 "rol{b} {%cl, $dst|$dst, %CL}",
1635 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1637 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1638 "rol{w} {%cl, $dst|$dst, %CL}",
1639 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1640 Imp<[CL],[]>, OpSize;
1641 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1642 "rol{l} {%cl, $dst|$dst, %CL}",
1643 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1645 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1646 "rol{b} {$src, $dst|$dst, $src}",
1647 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1648 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1649 "rol{w} {$src, $dst|$dst, $src}",
1650 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1652 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1653 "rol{l} {$src, $dst|$dst, $src}",
1654 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1657 def ROL8m1 : I<0xD0, MRM0m, (ops i8mem :$dst),
1659 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1660 def ROL16m1 : I<0xD1, MRM0m, (ops i16mem:$dst),
1662 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1664 def ROL32m1 : I<0xD1, MRM0m, (ops i32mem:$dst),
1666 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1669 def ROR8rCL : I<0xD2, MRM1r, (ops GR8 :$dst, GR8 :$src),
1670 "ror{b} {%cl, $dst|$dst, %CL}",
1671 [(set GR8:$dst, (rotr GR8:$src, CL))]>, Imp<[CL],[]>;
1672 def ROR16rCL : I<0xD3, MRM1r, (ops GR16:$dst, GR16:$src),
1673 "ror{w} {%cl, $dst|$dst, %CL}",
1674 [(set GR16:$dst, (rotr GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1675 def ROR32rCL : I<0xD3, MRM1r, (ops GR32:$dst, GR32:$src),
1676 "ror{l} {%cl, $dst|$dst, %CL}",
1677 [(set GR32:$dst, (rotr GR32:$src, CL))]>, Imp<[CL],[]>;
1679 def ROR8ri : Ii8<0xC0, MRM1r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1680 "ror{b} {$src2, $dst|$dst, $src2}",
1681 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1682 def ROR16ri : Ii8<0xC1, MRM1r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1683 "ror{w} {$src2, $dst|$dst, $src2}",
1684 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1685 def ROR32ri : Ii8<0xC1, MRM1r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1686 "ror{l} {$src2, $dst|$dst, $src2}",
1687 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1690 def ROR8r1 : I<0xD0, MRM1r, (ops GR8 :$dst, GR8 :$src1),
1692 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1693 def ROR16r1 : I<0xD1, MRM1r, (ops GR16:$dst, GR16:$src1),
1695 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1696 def ROR32r1 : I<0xD1, MRM1r, (ops GR32:$dst, GR32:$src1),
1698 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1700 let isTwoAddress = 0 in {
1701 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1702 "ror{b} {%cl, $dst|$dst, %CL}",
1703 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1705 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1706 "ror{w} {%cl, $dst|$dst, %CL}",
1707 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1708 Imp<[CL],[]>, OpSize;
1709 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1710 "ror{l} {%cl, $dst|$dst, %CL}",
1711 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1713 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1714 "ror{b} {$src, $dst|$dst, $src}",
1715 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1716 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1717 "ror{w} {$src, $dst|$dst, $src}",
1718 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1720 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1721 "ror{l} {$src, $dst|$dst, $src}",
1722 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1725 def ROR8m1 : I<0xD0, MRM1m, (ops i8mem :$dst),
1727 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1728 def ROR16m1 : I<0xD1, MRM1m, (ops i16mem:$dst),
1730 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1732 def ROR32m1 : I<0xD1, MRM1m, (ops i32mem:$dst),
1734 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1739 // Double shift instructions (generalizations of rotate)
1740 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1741 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1742 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>,
1744 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1745 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1746 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>,
1748 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1749 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1750 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1751 Imp<[CL],[]>, TB, OpSize;
1752 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1753 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1754 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1755 Imp<[CL],[]>, TB, OpSize;
1757 let isCommutable = 1 in { // These instructions commute to each other.
1758 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1759 (ops GR32:$dst, GR32:$src1, GR32:$src2, i8imm:$src3),
1760 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1761 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1764 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1765 (ops GR32:$dst, GR32:$src1, GR32:$src2, i8imm:$src3),
1766 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1767 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1770 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1771 (ops GR16:$dst, GR16:$src1, GR16:$src2, i8imm:$src3),
1772 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1773 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1776 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1777 (ops GR16:$dst, GR16:$src1, GR16:$src2, i8imm:$src3),
1778 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1779 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1784 let isTwoAddress = 0 in {
1785 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1786 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1787 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1790 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1791 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1792 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1795 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1796 (ops i32mem:$dst, GR32:$src2, i8imm:$src3),
1797 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1798 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1799 (i8 imm:$src3)), addr:$dst)]>,
1801 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1802 (ops i32mem:$dst, GR32:$src2, i8imm:$src3),
1803 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1804 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1805 (i8 imm:$src3)), addr:$dst)]>,
1808 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1809 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1810 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1812 Imp<[CL],[]>, TB, OpSize;
1813 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1814 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1815 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1817 Imp<[CL],[]>, TB, OpSize;
1818 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1819 (ops i16mem:$dst, GR16:$src2, i8imm:$src3),
1820 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1821 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1822 (i8 imm:$src3)), addr:$dst)]>,
1824 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1825 (ops i16mem:$dst, GR16:$src2, i8imm:$src3),
1826 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1827 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1828 (i8 imm:$src3)), addr:$dst)]>,
1834 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1835 def ADD8rr : I<0x00, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1836 "add{b} {$src2, $dst|$dst, $src2}",
1837 [(set GR8:$dst, (add GR8:$src1, GR8:$src2))]>;
1838 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1839 def ADD16rr : I<0x01, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1840 "add{w} {$src2, $dst|$dst, $src2}",
1841 [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize;
1842 def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1843 "add{l} {$src2, $dst|$dst, $src2}",
1844 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
1845 } // end isConvertibleToThreeAddress
1846 } // end isCommutable
1847 def ADD8rm : I<0x02, MRMSrcMem, (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1848 "add{b} {$src2, $dst|$dst, $src2}",
1849 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>;
1850 def ADD16rm : I<0x03, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1851 "add{w} {$src2, $dst|$dst, $src2}",
1852 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>, OpSize;
1853 def ADD32rm : I<0x03, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1854 "add{l} {$src2, $dst|$dst, $src2}",
1855 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>;
1857 def ADD8ri : Ii8<0x80, MRM0r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1858 "add{b} {$src2, $dst|$dst, $src2}",
1859 [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>;
1861 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1862 def ADD16ri : Ii16<0x81, MRM0r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1863 "add{w} {$src2, $dst|$dst, $src2}",
1864 [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize;
1865 def ADD32ri : Ii32<0x81, MRM0r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1866 "add{l} {$src2, $dst|$dst, $src2}",
1867 [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
1868 def ADD16ri8 : Ii8<0x83, MRM0r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1869 "add{w} {$src2, $dst|$dst, $src2}",
1870 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>,
1872 def ADD32ri8 : Ii8<0x83, MRM0r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1873 "add{l} {$src2, $dst|$dst, $src2}",
1874 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
1877 let isTwoAddress = 0 in {
1878 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
1879 "add{b} {$src2, $dst|$dst, $src2}",
1880 [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>;
1881 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1882 "add{w} {$src2, $dst|$dst, $src2}",
1883 [(store (add (load addr:$dst), GR16:$src2), addr:$dst)]>,
1885 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1886 "add{l} {$src2, $dst|$dst, $src2}",
1887 [(store (add (load addr:$dst), GR32:$src2), addr:$dst)]>;
1888 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1889 "add{b} {$src2, $dst|$dst, $src2}",
1890 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1891 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1892 "add{w} {$src2, $dst|$dst, $src2}",
1893 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1895 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1896 "add{l} {$src2, $dst|$dst, $src2}",
1897 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1898 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1899 "add{w} {$src2, $dst|$dst, $src2}",
1900 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1902 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1903 "add{l} {$src2, $dst|$dst, $src2}",
1904 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1907 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1908 def ADC32rr : I<0x11, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1909 "adc{l} {$src2, $dst|$dst, $src2}",
1910 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
1912 def ADC32rm : I<0x13, MRMSrcMem , (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1913 "adc{l} {$src2, $dst|$dst, $src2}",
1914 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
1915 def ADC32ri : Ii32<0x81, MRM2r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1916 "adc{l} {$src2, $dst|$dst, $src2}",
1917 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
1918 def ADC32ri8 : Ii8<0x83, MRM2r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1919 "adc{l} {$src2, $dst|$dst, $src2}",
1920 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
1922 let isTwoAddress = 0 in {
1923 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1924 "adc{l} {$src2, $dst|$dst, $src2}",
1925 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
1926 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1927 "adc{l} {$src2, $dst|$dst, $src2}",
1928 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1929 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1930 "adc{l} {$src2, $dst|$dst, $src2}",
1931 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1934 def SUB8rr : I<0x28, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1935 "sub{b} {$src2, $dst|$dst, $src2}",
1936 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2))]>;
1937 def SUB16rr : I<0x29, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1938 "sub{w} {$src2, $dst|$dst, $src2}",
1939 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2))]>, OpSize;
1940 def SUB32rr : I<0x29, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1941 "sub{l} {$src2, $dst|$dst, $src2}",
1942 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2))]>;
1943 def SUB8rm : I<0x2A, MRMSrcMem, (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1944 "sub{b} {$src2, $dst|$dst, $src2}",
1945 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2)))]>;
1946 def SUB16rm : I<0x2B, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1947 "sub{w} {$src2, $dst|$dst, $src2}",
1948 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2)))]>, OpSize;
1949 def SUB32rm : I<0x2B, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1950 "sub{l} {$src2, $dst|$dst, $src2}",
1951 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2)))]>;
1953 def SUB8ri : Ii8 <0x80, MRM5r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1954 "sub{b} {$src2, $dst|$dst, $src2}",
1955 [(set GR8:$dst, (sub GR8:$src1, imm:$src2))]>;
1956 def SUB16ri : Ii16<0x81, MRM5r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1957 "sub{w} {$src2, $dst|$dst, $src2}",
1958 [(set GR16:$dst, (sub GR16:$src1, imm:$src2))]>, OpSize;
1959 def SUB32ri : Ii32<0x81, MRM5r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1960 "sub{l} {$src2, $dst|$dst, $src2}",
1961 [(set GR32:$dst, (sub GR32:$src1, imm:$src2))]>;
1962 def SUB16ri8 : Ii8<0x83, MRM5r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1963 "sub{w} {$src2, $dst|$dst, $src2}",
1964 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2))]>,
1966 def SUB32ri8 : Ii8<0x83, MRM5r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1967 "sub{l} {$src2, $dst|$dst, $src2}",
1968 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2))]>;
1969 let isTwoAddress = 0 in {
1970 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
1971 "sub{b} {$src2, $dst|$dst, $src2}",
1972 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst)]>;
1973 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1974 "sub{w} {$src2, $dst|$dst, $src2}",
1975 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst)]>,
1977 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1978 "sub{l} {$src2, $dst|$dst, $src2}",
1979 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst)]>;
1980 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1981 "sub{b} {$src2, $dst|$dst, $src2}",
1982 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1983 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1984 "sub{w} {$src2, $dst|$dst, $src2}",
1985 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1987 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1988 "sub{l} {$src2, $dst|$dst, $src2}",
1989 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1990 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1991 "sub{w} {$src2, $dst|$dst, $src2}",
1992 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1994 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1995 "sub{l} {$src2, $dst|$dst, $src2}",
1996 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1999 def SBB32rr : I<0x19, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
2000 "sbb{l} {$src2, $dst|$dst, $src2}",
2001 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2003 let isTwoAddress = 0 in {
2004 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
2005 "sbb{l} {$src2, $dst|$dst, $src2}",
2006 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2007 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
2008 "sbb{b} {$src2, $dst|$dst, $src2}",
2009 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2010 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
2011 "sbb{l} {$src2, $dst|$dst, $src2}",
2012 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2013 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
2014 "sbb{l} {$src2, $dst|$dst, $src2}",
2015 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2017 def SBB32rm : I<0x1B, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
2018 "sbb{l} {$src2, $dst|$dst, $src2}",
2019 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2020 def SBB32ri : Ii32<0x81, MRM3r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
2021 "sbb{l} {$src2, $dst|$dst, $src2}",
2022 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2023 def SBB32ri8 : Ii8<0x83, MRM3r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
2024 "sbb{l} {$src2, $dst|$dst, $src2}",
2025 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2027 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2028 def IMUL16rr : I<0xAF, MRMSrcReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
2029 "imul{w} {$src2, $dst|$dst, $src2}",
2030 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2))]>, TB, OpSize;
2031 def IMUL32rr : I<0xAF, MRMSrcReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
2032 "imul{l} {$src2, $dst|$dst, $src2}",
2033 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2))]>, TB;
2035 def IMUL16rm : I<0xAF, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
2036 "imul{w} {$src2, $dst|$dst, $src2}",
2037 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2)))]>,
2039 def IMUL32rm : I<0xAF, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
2040 "imul{l} {$src2, $dst|$dst, $src2}",
2041 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2)))]>, TB;
2043 } // end Two Address instructions
2045 // Suprisingly enough, these are not two address instructions!
2046 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2047 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
2048 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2049 [(set GR16:$dst, (mul GR16:$src1, imm:$src2))]>, OpSize;
2050 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2051 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
2052 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2053 [(set GR32:$dst, (mul GR32:$src1, imm:$src2))]>;
2054 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2055 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
2056 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2057 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2))]>,
2059 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2060 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
2061 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2062 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2))]>;
2064 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2065 (ops GR16:$dst, i16mem:$src1, i16imm:$src2),
2066 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2067 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2069 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2070 (ops GR32:$dst, i32mem:$src1, i32imm:$src2),
2071 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2072 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2073 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2074 (ops GR16:$dst, i16mem:$src1, i16i8imm :$src2),
2075 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2076 [(set GR16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2078 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2079 (ops GR32:$dst, i32mem:$src1, i32i8imm: $src2),
2080 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2081 [(set GR32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2083 //===----------------------------------------------------------------------===//
2084 // Test instructions are just like AND, except they don't generate a result.
2086 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2087 def TEST8rr : I<0x84, MRMDestReg, (ops GR8:$src1, GR8:$src2),
2088 "test{b} {$src2, $src1|$src1, $src2}",
2089 [(X86cmp (and GR8:$src1, GR8:$src2), 0)]>;
2090 def TEST16rr : I<0x85, MRMDestReg, (ops GR16:$src1, GR16:$src2),
2091 "test{w} {$src2, $src1|$src1, $src2}",
2092 [(X86cmp (and GR16:$src1, GR16:$src2), 0)]>, OpSize;
2093 def TEST32rr : I<0x85, MRMDestReg, (ops GR32:$src1, GR32:$src2),
2094 "test{l} {$src2, $src1|$src1, $src2}",
2095 [(X86cmp (and GR32:$src1, GR32:$src2), 0)]>;
2098 def TEST8rm : I<0x84, MRMSrcMem, (ops GR8 :$src1, i8mem :$src2),
2099 "test{b} {$src2, $src1|$src1, $src2}",
2100 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0)]>;
2101 def TEST16rm : I<0x85, MRMSrcMem, (ops GR16:$src1, i16mem:$src2),
2102 "test{w} {$src2, $src1|$src1, $src2}",
2103 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0)]>,
2105 def TEST32rm : I<0x85, MRMSrcMem, (ops GR32:$src1, i32mem:$src2),
2106 "test{l} {$src2, $src1|$src1, $src2}",
2107 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0)]>;
2109 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2110 (ops GR8:$src1, i8imm:$src2),
2111 "test{b} {$src2, $src1|$src1, $src2}",
2112 [(X86cmp (and GR8:$src1, imm:$src2), 0)]>;
2113 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2114 (ops GR16:$src1, i16imm:$src2),
2115 "test{w} {$src2, $src1|$src1, $src2}",
2116 [(X86cmp (and GR16:$src1, imm:$src2), 0)]>, OpSize;
2117 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2118 (ops GR32:$src1, i32imm:$src2),
2119 "test{l} {$src2, $src1|$src1, $src2}",
2120 [(X86cmp (and GR32:$src1, imm:$src2), 0)]>;
2122 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2123 (ops i8mem:$src1, i8imm:$src2),
2124 "test{b} {$src2, $src1|$src1, $src2}",
2125 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0)]>;
2126 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2127 (ops i16mem:$src1, i16imm:$src2),
2128 "test{w} {$src2, $src1|$src1, $src2}",
2129 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0)]>,
2131 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2132 (ops i32mem:$src1, i32imm:$src2),
2133 "test{l} {$src2, $src1|$src1, $src2}",
2134 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0)]>;
2137 // Condition code ops, incl. set if equal/not equal/...
2138 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2139 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2141 def SETEr : I<0x94, MRM0r,
2144 [(set GR8:$dst, (X86setcc X86_COND_E))]>,
2146 def SETEm : I<0x94, MRM0m,
2149 [(store (X86setcc X86_COND_E), addr:$dst)]>,
2151 def SETNEr : I<0x95, MRM0r,
2154 [(set GR8:$dst, (X86setcc X86_COND_NE))]>,
2156 def SETNEm : I<0x95, MRM0m,
2159 [(store (X86setcc X86_COND_NE), addr:$dst)]>,
2161 def SETLr : I<0x9C, MRM0r,
2164 [(set GR8:$dst, (X86setcc X86_COND_L))]>,
2165 TB; // GR8 = < signed
2166 def SETLm : I<0x9C, MRM0m,
2169 [(store (X86setcc X86_COND_L), addr:$dst)]>,
2170 TB; // [mem8] = < signed
2171 def SETGEr : I<0x9D, MRM0r,
2174 [(set GR8:$dst, (X86setcc X86_COND_GE))]>,
2175 TB; // GR8 = >= signed
2176 def SETGEm : I<0x9D, MRM0m,
2179 [(store (X86setcc X86_COND_GE), addr:$dst)]>,
2180 TB; // [mem8] = >= signed
2181 def SETLEr : I<0x9E, MRM0r,
2184 [(set GR8:$dst, (X86setcc X86_COND_LE))]>,
2185 TB; // GR8 = <= signed
2186 def SETLEm : I<0x9E, MRM0m,
2189 [(store (X86setcc X86_COND_LE), addr:$dst)]>,
2190 TB; // [mem8] = <= signed
2191 def SETGr : I<0x9F, MRM0r,
2194 [(set GR8:$dst, (X86setcc X86_COND_G))]>,
2195 TB; // GR8 = > signed
2196 def SETGm : I<0x9F, MRM0m,
2199 [(store (X86setcc X86_COND_G), addr:$dst)]>,
2200 TB; // [mem8] = > signed
2202 def SETBr : I<0x92, MRM0r,
2205 [(set GR8:$dst, (X86setcc X86_COND_B))]>,
2206 TB; // GR8 = < unsign
2207 def SETBm : I<0x92, MRM0m,
2210 [(store (X86setcc X86_COND_B), addr:$dst)]>,
2211 TB; // [mem8] = < unsign
2212 def SETAEr : I<0x93, MRM0r,
2215 [(set GR8:$dst, (X86setcc X86_COND_AE))]>,
2216 TB; // GR8 = >= unsign
2217 def SETAEm : I<0x93, MRM0m,
2220 [(store (X86setcc X86_COND_AE), addr:$dst)]>,
2221 TB; // [mem8] = >= unsign
2222 def SETBEr : I<0x96, MRM0r,
2225 [(set GR8:$dst, (X86setcc X86_COND_BE))]>,
2226 TB; // GR8 = <= unsign
2227 def SETBEm : I<0x96, MRM0m,
2230 [(store (X86setcc X86_COND_BE), addr:$dst)]>,
2231 TB; // [mem8] = <= unsign
2232 def SETAr : I<0x97, MRM0r,
2235 [(set GR8:$dst, (X86setcc X86_COND_A))]>,
2236 TB; // GR8 = > signed
2237 def SETAm : I<0x97, MRM0m,
2240 [(store (X86setcc X86_COND_A), addr:$dst)]>,
2241 TB; // [mem8] = > signed
2243 def SETSr : I<0x98, MRM0r,
2246 [(set GR8:$dst, (X86setcc X86_COND_S))]>,
2247 TB; // GR8 = <sign bit>
2248 def SETSm : I<0x98, MRM0m,
2251 [(store (X86setcc X86_COND_S), addr:$dst)]>,
2252 TB; // [mem8] = <sign bit>
2253 def SETNSr : I<0x99, MRM0r,
2256 [(set GR8:$dst, (X86setcc X86_COND_NS))]>,
2257 TB; // GR8 = !<sign bit>
2258 def SETNSm : I<0x99, MRM0m,
2261 [(store (X86setcc X86_COND_NS), addr:$dst)]>,
2262 TB; // [mem8] = !<sign bit>
2263 def SETPr : I<0x9A, MRM0r,
2266 [(set GR8:$dst, (X86setcc X86_COND_P))]>,
2268 def SETPm : I<0x9A, MRM0m,
2271 [(store (X86setcc X86_COND_P), addr:$dst)]>,
2272 TB; // [mem8] = parity
2273 def SETNPr : I<0x9B, MRM0r,
2276 [(set GR8:$dst, (X86setcc X86_COND_NP))]>,
2277 TB; // GR8 = not parity
2278 def SETNPm : I<0x9B, MRM0m,
2281 [(store (X86setcc X86_COND_NP), addr:$dst)]>,
2282 TB; // [mem8] = not parity
2284 // Integer comparisons
2285 def CMP8rr : I<0x38, MRMDestReg,
2286 (ops GR8 :$src1, GR8 :$src2),
2287 "cmp{b} {$src2, $src1|$src1, $src2}",
2288 [(X86cmp GR8:$src1, GR8:$src2)]>;
2289 def CMP16rr : I<0x39, MRMDestReg,
2290 (ops GR16:$src1, GR16:$src2),
2291 "cmp{w} {$src2, $src1|$src1, $src2}",
2292 [(X86cmp GR16:$src1, GR16:$src2)]>, OpSize;
2293 def CMP32rr : I<0x39, MRMDestReg,
2294 (ops GR32:$src1, GR32:$src2),
2295 "cmp{l} {$src2, $src1|$src1, $src2}",
2296 [(X86cmp GR32:$src1, GR32:$src2)]>;
2297 def CMP8mr : I<0x38, MRMDestMem,
2298 (ops i8mem :$src1, GR8 :$src2),
2299 "cmp{b} {$src2, $src1|$src1, $src2}",
2300 [(X86cmp (loadi8 addr:$src1), GR8:$src2)]>;
2301 def CMP16mr : I<0x39, MRMDestMem,
2302 (ops i16mem:$src1, GR16:$src2),
2303 "cmp{w} {$src2, $src1|$src1, $src2}",
2304 [(X86cmp (loadi16 addr:$src1), GR16:$src2)]>, OpSize;
2305 def CMP32mr : I<0x39, MRMDestMem,
2306 (ops i32mem:$src1, GR32:$src2),
2307 "cmp{l} {$src2, $src1|$src1, $src2}",
2308 [(X86cmp (loadi32 addr:$src1), GR32:$src2)]>;
2309 def CMP8rm : I<0x3A, MRMSrcMem,
2310 (ops GR8 :$src1, i8mem :$src2),
2311 "cmp{b} {$src2, $src1|$src1, $src2}",
2312 [(X86cmp GR8:$src1, (loadi8 addr:$src2))]>;
2313 def CMP16rm : I<0x3B, MRMSrcMem,
2314 (ops GR16:$src1, i16mem:$src2),
2315 "cmp{w} {$src2, $src1|$src1, $src2}",
2316 [(X86cmp GR16:$src1, (loadi16 addr:$src2))]>, OpSize;
2317 def CMP32rm : I<0x3B, MRMSrcMem,
2318 (ops GR32:$src1, i32mem:$src2),
2319 "cmp{l} {$src2, $src1|$src1, $src2}",
2320 [(X86cmp GR32:$src1, (loadi32 addr:$src2))]>;
2321 def CMP8ri : Ii8<0x80, MRM7r,
2322 (ops GR8:$src1, i8imm:$src2),
2323 "cmp{b} {$src2, $src1|$src1, $src2}",
2324 [(X86cmp GR8:$src1, imm:$src2)]>;
2325 def CMP16ri : Ii16<0x81, MRM7r,
2326 (ops GR16:$src1, i16imm:$src2),
2327 "cmp{w} {$src2, $src1|$src1, $src2}",
2328 [(X86cmp GR16:$src1, imm:$src2)]>, OpSize;
2329 def CMP32ri : Ii32<0x81, MRM7r,
2330 (ops GR32:$src1, i32imm:$src2),
2331 "cmp{l} {$src2, $src1|$src1, $src2}",
2332 [(X86cmp GR32:$src1, imm:$src2)]>;
2333 def CMP8mi : Ii8 <0x80, MRM7m,
2334 (ops i8mem :$src1, i8imm :$src2),
2335 "cmp{b} {$src2, $src1|$src1, $src2}",
2336 [(X86cmp (loadi8 addr:$src1), imm:$src2)]>;
2337 def CMP16mi : Ii16<0x81, MRM7m,
2338 (ops i16mem:$src1, i16imm:$src2),
2339 "cmp{w} {$src2, $src1|$src1, $src2}",
2340 [(X86cmp (loadi16 addr:$src1), imm:$src2)]>, OpSize;
2341 def CMP32mi : Ii32<0x81, MRM7m,
2342 (ops i32mem:$src1, i32imm:$src2),
2343 "cmp{l} {$src2, $src1|$src1, $src2}",
2344 [(X86cmp (loadi32 addr:$src1), imm:$src2)]>;
2345 def CMP16ri8 : Ii8<0x83, MRM7r,
2346 (ops GR16:$src1, i16i8imm:$src2),
2347 "cmp{w} {$src2, $src1|$src1, $src2}",
2348 [(X86cmp GR16:$src1, i16immSExt8:$src2)]>, OpSize;
2349 def CMP16mi8 : Ii8<0x83, MRM7m,
2350 (ops i16mem:$src1, i16i8imm:$src2),
2351 "cmp{w} {$src2, $src1|$src1, $src2}",
2352 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2)]>, OpSize;
2353 def CMP32mi8 : Ii8<0x83, MRM7m,
2354 (ops i32mem:$src1, i32i8imm:$src2),
2355 "cmp{l} {$src2, $src1|$src1, $src2}",
2356 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2)]>;
2357 def CMP32ri8 : Ii8<0x83, MRM7r,
2358 (ops GR32:$src1, i32i8imm:$src2),
2359 "cmp{l} {$src2, $src1|$src1, $src2}",
2360 [(X86cmp GR32:$src1, i32immSExt8:$src2)]>;
2362 // Sign/Zero extenders
2363 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops GR16:$dst, GR8 :$src),
2364 "movs{bw|x} {$src, $dst|$dst, $src}",
2365 [(set GR16:$dst, (sext GR8:$src))]>, TB, OpSize;
2366 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops GR16:$dst, i8mem :$src),
2367 "movs{bw|x} {$src, $dst|$dst, $src}",
2368 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2369 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops GR32:$dst, GR8 :$src),
2370 "movs{bl|x} {$src, $dst|$dst, $src}",
2371 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2372 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops GR32:$dst, i8mem :$src),
2373 "movs{bl|x} {$src, $dst|$dst, $src}",
2374 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2375 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops GR32:$dst, GR16:$src),
2376 "movs{wl|x} {$src, $dst|$dst, $src}",
2377 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2378 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops GR32:$dst, i16mem:$src),
2379 "movs{wl|x} {$src, $dst|$dst, $src}",
2380 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2382 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops GR16:$dst, GR8 :$src),
2383 "movz{bw|x} {$src, $dst|$dst, $src}",
2384 [(set GR16:$dst, (zext GR8:$src))]>, TB, OpSize;
2385 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops GR16:$dst, i8mem :$src),
2386 "movz{bw|x} {$src, $dst|$dst, $src}",
2387 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2388 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops GR32:$dst, GR8 :$src),
2389 "movz{bl|x} {$src, $dst|$dst, $src}",
2390 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2391 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops GR32:$dst, i8mem :$src),
2392 "movz{bl|x} {$src, $dst|$dst, $src}",
2393 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2394 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops GR32:$dst, GR16:$src),
2395 "movz{wl|x} {$src, $dst|$dst, $src}",
2396 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2397 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops GR32:$dst, i16mem:$src),
2398 "movz{wl|x} {$src, $dst|$dst, $src}",
2399 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2401 def CBW : I<0x98, RawFrm, (ops),
2402 "{cbtw|cbw}", []>, Imp<[AL],[AX]>, OpSize; // AX = signext(AL)
2403 def CWDE : I<0x98, RawFrm, (ops),
2404 "{cwtl|cwde}", []>, Imp<[AX],[EAX]>; // EAX = signext(AX)
2406 def CWD : I<0x99, RawFrm, (ops),
2407 "{cwtd|cwd}", []>, Imp<[AX],[AX,DX]>, OpSize; // DX:AX = signext(AX)
2408 def CDQ : I<0x99, RawFrm, (ops),
2409 "{cltd|cdq}", []>, Imp<[EAX],[EAX,EDX]>; // EDX:EAX = signext(EAX)
2412 //===----------------------------------------------------------------------===//
2413 // Alias Instructions
2414 //===----------------------------------------------------------------------===//
2416 // Alias instructions that map movr0 to xor.
2417 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2418 def MOV8r0 : I<0x30, MRMInitReg, (ops GR8 :$dst),
2419 "xor{b} $dst, $dst",
2420 [(set GR8:$dst, 0)]>;
2421 def MOV16r0 : I<0x31, MRMInitReg, (ops GR16:$dst),
2422 "xor{w} $dst, $dst",
2423 [(set GR16:$dst, 0)]>, OpSize;
2424 def MOV32r0 : I<0x31, MRMInitReg, (ops GR32:$dst),
2425 "xor{l} $dst, $dst",
2426 [(set GR32:$dst, 0)]>;
2428 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2429 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2430 def MOV16to16_ : I<0x89, MRMDestReg, (ops GR16_:$dst, GR16:$src),
2431 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2432 def MOV32to32_ : I<0x89, MRMDestReg, (ops GR32_:$dst, GR32:$src),
2433 "mov{l} {$src, $dst|$dst, $src}", []>;
2435 def MOV16_rr : I<0x89, MRMDestReg, (ops GR16_:$dst, GR16_:$src),
2436 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2437 def MOV32_rr : I<0x89, MRMDestReg, (ops GR32_:$dst, GR32_:$src),
2438 "mov{l} {$src, $dst|$dst, $src}", []>;
2439 def MOV16_rm : I<0x8B, MRMSrcMem, (ops GR16_:$dst, i16mem:$src),
2440 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2441 def MOV32_rm : I<0x8B, MRMSrcMem, (ops GR32_:$dst, i32mem:$src),
2442 "mov{l} {$src, $dst|$dst, $src}", []>;
2443 def MOV16_mr : I<0x89, MRMDestMem, (ops i16mem:$dst, GR16_:$src),
2444 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2445 def MOV32_mr : I<0x89, MRMDestMem, (ops i32mem:$dst, GR32_:$src),
2446 "mov{l} {$src, $dst|$dst, $src}", []>;
2448 //===----------------------------------------------------------------------===//
2449 // DWARF Pseudo Instructions
2452 def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
2453 "; .loc $file, $line, $col",
2454 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2457 //===----------------------------------------------------------------------===//
2458 // Non-Instruction Patterns
2459 //===----------------------------------------------------------------------===//
2461 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2462 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2463 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2464 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2465 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2467 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2468 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2469 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2470 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2471 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2472 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2473 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2474 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2476 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2477 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2478 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2479 (MOV32mi addr:$dst, texternalsym:$src)>;
2482 def : Pat<(X86tailcall GR32:$dst),
2483 (CALL32r GR32:$dst)>;
2485 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2486 (CALLpcrel32 tglobaladdr:$dst)>;
2487 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2488 (CALLpcrel32 texternalsym:$dst)>;
2490 def : Pat<(X86call (i32 tglobaladdr:$dst)),
2491 (CALLpcrel32 tglobaladdr:$dst)>;
2492 def : Pat<(X86call (i32 texternalsym:$dst)),
2493 (CALLpcrel32 texternalsym:$dst)>;
2495 // X86 specific add which produces a flag.
2496 def : Pat<(addc GR32:$src1, GR32:$src2),
2497 (ADD32rr GR32:$src1, GR32:$src2)>;
2498 def : Pat<(addc GR32:$src1, (load addr:$src2)),
2499 (ADD32rm GR32:$src1, addr:$src2)>;
2500 def : Pat<(addc GR32:$src1, imm:$src2),
2501 (ADD32ri GR32:$src1, imm:$src2)>;
2502 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
2503 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
2505 def : Pat<(subc GR32:$src1, GR32:$src2),
2506 (SUB32rr GR32:$src1, GR32:$src2)>;
2507 def : Pat<(subc GR32:$src1, (load addr:$src2)),
2508 (SUB32rm GR32:$src1, addr:$src2)>;
2509 def : Pat<(subc GR32:$src1, imm:$src2),
2510 (SUB32ri GR32:$src1, imm:$src2)>;
2511 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
2512 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
2514 def : Pat<(truncstorei1 (i8 imm:$src), addr:$dst),
2515 (MOV8mi addr:$dst, imm:$src)>;
2516 def : Pat<(truncstorei1 GR8:$src, addr:$dst),
2517 (MOV8mr addr:$dst, GR8:$src)>;
2521 // TEST R,R is smaller than CMP R,0
2522 def : Pat<(X86cmp GR8:$src1, 0),
2523 (TEST8rr GR8:$src1, GR8:$src1)>;
2524 def : Pat<(X86cmp GR16:$src1, 0),
2525 (TEST16rr GR16:$src1, GR16:$src1)>;
2526 def : Pat<(X86cmp GR32:$src1, 0),
2527 (TEST32rr GR32:$src1, GR32:$src1)>;
2529 // {s|z}extload bool -> {s|z}extload byte
2530 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2531 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2532 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2533 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2534 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2536 // extload bool -> extload byte
2537 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2538 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2539 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2540 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
2541 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2542 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2545 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
2546 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
2547 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
2548 def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
2549 def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
2550 def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
2552 //===----------------------------------------------------------------------===//
2554 //===----------------------------------------------------------------------===//
2556 // (shl x, 1) ==> (add x, x)
2557 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
2558 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
2559 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
2561 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2562 def : Pat<(or (srl GR32:$src1, CL:$amt),
2563 (shl GR32:$src2, (sub 32, CL:$amt))),
2564 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
2566 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2567 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2568 (SHRD32mrCL addr:$dst, GR32:$src2)>;
2570 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2571 def : Pat<(or (shl GR32:$src1, CL:$amt),
2572 (srl GR32:$src2, (sub 32, CL:$amt))),
2573 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
2575 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2576 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2577 (SHLD32mrCL addr:$dst, GR32:$src2)>;
2579 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2580 def : Pat<(or (srl GR16:$src1, CL:$amt),
2581 (shl GR16:$src2, (sub 16, CL:$amt))),
2582 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
2584 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2585 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2586 (SHRD16mrCL addr:$dst, GR16:$src2)>;
2588 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2589 def : Pat<(or (shl GR16:$src1, CL:$amt),
2590 (srl GR16:$src2, (sub 16, CL:$amt))),
2591 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
2593 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2594 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2595 (SHLD16mrCL addr:$dst, GR16:$src2)>;
2598 //===----------------------------------------------------------------------===//
2599 // Floating Point Stack Support
2600 //===----------------------------------------------------------------------===//
2602 include "X86InstrFPStack.td"
2604 //===----------------------------------------------------------------------===//
2605 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2606 //===----------------------------------------------------------------------===//
2608 include "X86InstrMMX.td"
2610 //===----------------------------------------------------------------------===//
2611 // XMM Floating point support (requires SSE / SSE2)
2612 //===----------------------------------------------------------------------===//
2614 include "X86InstrSSE.td"
2616 //===----------------------------------------------------------------------===//
2618 //===----------------------------------------------------------------------===//
2620 include "X86InstrX86-64.td"