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 SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
52 def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
54 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
55 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
57 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest,
58 [SDNPHasChain, SDNPOutFlag]>;
60 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
61 [SDNPInFlag, SDNPOutFlag]>;
62 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
63 [SDNPHasChain, SDNPInFlag]>;
64 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
65 [SDNPInFlag, SDNPOutFlag]>;
67 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
68 [SDNPHasChain, SDNPOptInFlag]>;
70 def X86callseq_start :
71 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
72 [SDNPHasChain, SDNPOutFlag]>;
74 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
75 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
77 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
78 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
80 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
81 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
83 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
84 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
85 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
86 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
88 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
89 [SDNPHasChain, SDNPOutFlag]>;
91 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
92 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
94 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
95 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
96 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
99 //===----------------------------------------------------------------------===//
100 // X86 Operand Definitions.
103 // *mem - Operand definitions for the funky X86 addressing mode operands.
105 class X86MemOperand<string printMethod> : Operand<iPTR> {
106 let PrintMethod = printMethod;
107 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
110 def i8mem : X86MemOperand<"printi8mem">;
111 def i16mem : X86MemOperand<"printi16mem">;
112 def i32mem : X86MemOperand<"printi32mem">;
113 def i64mem : X86MemOperand<"printi64mem">;
114 def i128mem : X86MemOperand<"printi128mem">;
115 def f32mem : X86MemOperand<"printf32mem">;
116 def f64mem : X86MemOperand<"printf64mem">;
117 def f128mem : X86MemOperand<"printf128mem">;
119 def lea32mem : Operand<i32> {
120 let PrintMethod = "printi32mem";
121 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
124 def SSECC : Operand<i8> {
125 let PrintMethod = "printSSECC";
128 def piclabel: Operand<i32> {
129 let PrintMethod = "printPICLabel";
132 // A couple of more descriptive operand definitions.
133 // 16-bits but only 8 bits are significant.
134 def i16i8imm : Operand<i16>;
135 // 32-bits but only 8 bits are significant.
136 def i32i8imm : Operand<i32>;
138 // Branch targets have OtherVT type.
139 def brtarget : Operand<OtherVT>;
141 //===----------------------------------------------------------------------===//
142 // X86 Complex Pattern Definitions.
145 // Define X86 specific addressing mode.
146 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
147 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
148 [add, mul, shl, or, frameindex], []>;
150 //===----------------------------------------------------------------------===//
151 // X86 Instruction Format Definitions.
154 // Format specifies the encoding used by the instruction. This is part of the
155 // ad-hoc solution used to emit machine instruction encodings by our machine
157 class Format<bits<6> val> {
161 def Pseudo : Format<0>; def RawFrm : Format<1>;
162 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
163 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
164 def MRMSrcMem : Format<6>;
165 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
166 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
167 def MRM6r : Format<22>; def MRM7r : Format<23>;
168 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
169 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
170 def MRM6m : Format<30>; def MRM7m : Format<31>;
171 def MRMInitReg : Format<32>;
173 //===----------------------------------------------------------------------===//
174 // X86 Instruction Predicate Definitions.
175 def HasMMX : Predicate<"Subtarget->hasMMX()">;
176 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
177 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
178 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
179 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
180 def FPStack : Predicate<"!Subtarget->hasSSE2()">;
181 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
182 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
183 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
184 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
185 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
187 //===----------------------------------------------------------------------===//
188 // X86 specific pattern fragments.
191 // ImmType - This specifies the immediate type used by an instruction. This is
192 // part of the ad-hoc solution used to emit machine instruction encodings by our
193 // machine code emitter.
194 class ImmType<bits<3> val> {
197 def NoImm : ImmType<0>;
198 def Imm8 : ImmType<1>;
199 def Imm16 : ImmType<2>;
200 def Imm32 : ImmType<3>;
201 def Imm64 : ImmType<4>;
203 // FPFormat - This specifies what form this FP instruction has. This is used by
204 // the Floating-Point stackifier pass.
205 class FPFormat<bits<3> val> {
208 def NotFP : FPFormat<0>;
209 def ZeroArgFP : FPFormat<1>;
210 def OneArgFP : FPFormat<2>;
211 def OneArgFPRW : FPFormat<3>;
212 def TwoArgFP : FPFormat<4>;
213 def CompareFP : FPFormat<5>;
214 def CondMovFP : FPFormat<6>;
215 def SpecialFP : FPFormat<7>;
218 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
220 let Namespace = "X86";
222 bits<8> Opcode = opcod;
224 bits<6> FormBits = Form.Value;
226 bits<3> ImmTypeBits = ImmT.Value;
228 dag OperandList = ops;
229 string AsmString = AsmStr;
232 // Attributes specific to X86 instructions...
234 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
235 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
237 bits<4> Prefix = 0; // Which prefix byte does this inst have?
238 bit hasREX_WPrefix = 0; // Does this inst requires the REX.W prefix?
239 FPFormat FPForm; // What flavor of FP instruction is this?
240 bits<3> FPFormBits = 0;
244 // Prefix byte classes which are used to indicate to the ad-hoc machine code
245 // emitter that various prefix bytes are required.
246 class OpSize { bit hasOpSizePrefix = 1; }
247 class AdSize { bit hasAdSizePrefix = 1; }
248 class REX_W { bit hasREX_WPrefix = 1; }
249 class TB { bits<4> Prefix = 1; }
250 class REP { bits<4> Prefix = 2; }
251 class D8 { bits<4> Prefix = 3; }
252 class D9 { bits<4> Prefix = 4; }
253 class DA { bits<4> Prefix = 5; }
254 class DB { bits<4> Prefix = 6; }
255 class DC { bits<4> Prefix = 7; }
256 class DD { bits<4> Prefix = 8; }
257 class DE { bits<4> Prefix = 9; }
258 class DF { bits<4> Prefix = 10; }
259 class XD { bits<4> Prefix = 11; }
260 class XS { bits<4> Prefix = 12; }
261 class T8 { bits<4> Prefix = 13; }
262 class TA { bits<4> Prefix = 14; }
265 //===----------------------------------------------------------------------===//
266 // Pattern fragments...
269 // X86 specific condition code. These correspond to CondCode in
270 // X86ISelLowering.h. They must be kept in synch.
271 def X86_COND_A : PatLeaf<(i8 0)>;
272 def X86_COND_AE : PatLeaf<(i8 1)>;
273 def X86_COND_B : PatLeaf<(i8 2)>;
274 def X86_COND_BE : PatLeaf<(i8 3)>;
275 def X86_COND_E : PatLeaf<(i8 4)>;
276 def X86_COND_G : PatLeaf<(i8 5)>;
277 def X86_COND_GE : PatLeaf<(i8 6)>;
278 def X86_COND_L : PatLeaf<(i8 7)>;
279 def X86_COND_LE : PatLeaf<(i8 8)>;
280 def X86_COND_NE : PatLeaf<(i8 9)>;
281 def X86_COND_NO : PatLeaf<(i8 10)>;
282 def X86_COND_NP : PatLeaf<(i8 11)>;
283 def X86_COND_NS : PatLeaf<(i8 12)>;
284 def X86_COND_O : PatLeaf<(i8 13)>;
285 def X86_COND_P : PatLeaf<(i8 14)>;
286 def X86_COND_S : PatLeaf<(i8 15)>;
288 def i16immSExt8 : PatLeaf<(i16 imm), [{
289 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
290 // sign extended field.
291 return (int16_t)N->getValue() == (int8_t)N->getValue();
294 def i32immSExt8 : PatLeaf<(i32 imm), [{
295 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
296 // sign extended field.
297 return (int32_t)N->getValue() == (int8_t)N->getValue();
300 // Helper fragments for loads.
301 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
302 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
303 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
304 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
306 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
307 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
309 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextloadi1 node:$ptr))>;
310 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextloadi1 node:$ptr))>;
311 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
312 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
313 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
315 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
316 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
317 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
318 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
319 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
320 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
322 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
323 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
324 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
325 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
326 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
327 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
329 //===----------------------------------------------------------------------===//
330 // Instruction templates...
333 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
334 : X86Inst<o, f, NoImm, ops, asm> {
335 let Pattern = pattern;
338 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
339 : X86Inst<o, f, Imm8 , ops, asm> {
340 let Pattern = pattern;
343 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
344 : X86Inst<o, f, Imm16, ops, asm> {
345 let Pattern = pattern;
348 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
349 : X86Inst<o, f, Imm32, ops, asm> {
350 let Pattern = pattern;
354 //===----------------------------------------------------------------------===//
355 // Instruction list...
358 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
359 // a stack adjustment and the codegen must know that they may modify the stack
360 // pointer before prolog-epilog rewriting occurs.
361 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
362 [(X86callseq_start imm:$amt)]>, Imp<[ESP],[ESP]>;
363 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
365 [(X86callseq_end imm:$amt1, imm:$amt2)]>,
367 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
368 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
369 def IMPLICIT_DEF_GR8 : I<0, Pseudo, (ops GR8:$dst),
370 "#IMPLICIT_DEF $dst",
371 [(set GR8:$dst, (undef))]>;
372 def IMPLICIT_DEF_GR16 : I<0, Pseudo, (ops GR16:$dst),
373 "#IMPLICIT_DEF $dst",
374 [(set GR16:$dst, (undef))]>;
375 def IMPLICIT_DEF_GR32 : I<0, Pseudo, (ops GR32:$dst),
376 "#IMPLICIT_DEF $dst",
377 [(set GR32:$dst, (undef))]>;
380 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
383 def TRUNC_32_to8 : I<0x88, MRMDestReg, (ops GR8:$dst, GR32_:$src),
384 "mov{b} {${src:subreg8}, $dst|$dst, ${src:subreg8}", []>;
385 def TRUNC_16_to8 : I<0x88, MRMDestReg, (ops GR8:$dst, GR16_:$src),
386 "mov{b} {${src:subreg8}, $dst|$dst, ${src:subreg8}}", []>;
387 def TRUNC_32to16 : I<0x89, MRMDestReg, (ops GR16:$dst, GR32:$src),
388 "mov{w} {${src:subreg16}, $dst|$dst, ${src:subreg16}}",
389 [(set GR16:$dst, (trunc GR32:$src))]>;
391 //===----------------------------------------------------------------------===//
392 // Control Flow Instructions...
395 // Return instructions.
396 let isTerminator = 1, isReturn = 1, isBarrier = 1,
397 hasCtrlDep = 1, noResults = 1 in {
398 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
399 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
400 [(X86retflag imm:$amt)]>;
403 // All branches are RawFrm, Void, Branch, and Terminators
404 let isBranch = 1, isTerminator = 1, noResults = 1 in
405 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
406 I<opcode, RawFrm, ops, asm, pattern>;
409 let isBranch = 1, isBarrier = 1 in
410 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
412 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
413 def JMP32r : I<0xFF, MRM4r, (ops GR32:$dst), "jmp{l} {*}$dst",
414 [(brind GR32:$dst)]>;
415 def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst",
416 [(brind (loadi32 addr:$dst))]>;
419 // Conditional branches
420 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
421 [(X86brcond bb:$dst, X86_COND_E)]>, TB;
422 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
423 [(X86brcond bb:$dst, X86_COND_NE)]>, TB;
424 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
425 [(X86brcond bb:$dst, X86_COND_L)]>, TB;
426 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
427 [(X86brcond bb:$dst, X86_COND_LE)]>, TB;
428 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
429 [(X86brcond bb:$dst, X86_COND_G)]>, TB;
430 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
431 [(X86brcond bb:$dst, X86_COND_GE)]>, TB;
433 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
434 [(X86brcond bb:$dst, X86_COND_B)]>, TB;
435 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
436 [(X86brcond bb:$dst, X86_COND_BE)]>, TB;
437 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
438 [(X86brcond bb:$dst, X86_COND_A)]>, TB;
439 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
440 [(X86brcond bb:$dst, X86_COND_AE)]>, TB;
442 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
443 [(X86brcond bb:$dst, X86_COND_S)]>, TB;
444 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
445 [(X86brcond bb:$dst, X86_COND_NS)]>, TB;
446 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
447 [(X86brcond bb:$dst, X86_COND_P)]>, TB;
448 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
449 [(X86brcond bb:$dst, X86_COND_NP)]>, TB;
450 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
451 [(X86brcond bb:$dst, X86_COND_O)]>, TB;
452 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
453 [(X86brcond bb:$dst, X86_COND_NO)]>, TB;
455 //===----------------------------------------------------------------------===//
456 // Call Instructions...
458 let isCall = 1, noResults = 1 in
459 // All calls clobber the non-callee saved registers...
460 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
461 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
462 def CALLpcrel32 : I<0xE8, RawFrm, (ops i32imm:$dst, variable_ops),
463 "call ${dst:call}", []>;
464 def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst, variable_ops),
465 "call {*}$dst", [(X86call GR32:$dst)]>;
466 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst, variable_ops),
471 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
472 def TAILJMPd : IBr<0xE9, (ops i32imm:$dst), "jmp ${dst:call} # TAIL CALL",
474 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
475 def TAILJMPr : I<0xFF, MRM4r, (ops GR32:$dst), "jmp {*}$dst # TAIL CALL",
477 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
478 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
479 "jmp {*}$dst # TAIL CALL", []>;
481 //===----------------------------------------------------------------------===//
482 // Miscellaneous Instructions...
484 def LEAVE : I<0xC9, RawFrm,
485 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
486 def POP32r : I<0x58, AddRegFrm,
487 (ops GR32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
489 def PUSH32r : I<0x50, AddRegFrm,
490 (ops GR32:$reg), "push{l} $reg", []>, Imp<[ESP],[ESP]>;
492 def MovePCtoStack : I<0, Pseudo, (ops piclabel:$label),
495 let isTwoAddress = 1 in // GR32 = bswap GR32
496 def BSWAP32r : I<0xC8, AddRegFrm,
497 (ops GR32:$dst, GR32:$src),
499 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
501 def XCHG8rr : I<0x86, MRMDestReg, // xchg GR8, GR8
502 (ops GR8:$src1, GR8:$src2),
503 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
504 def XCHG16rr : I<0x87, MRMDestReg, // xchg GR16, GR16
505 (ops GR16:$src1, GR16:$src2),
506 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
507 def XCHG32rr : I<0x87, MRMDestReg, // xchg GR32, GR32
508 (ops GR32:$src1, GR32:$src2),
509 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
511 def XCHG8mr : I<0x86, MRMDestMem,
512 (ops i8mem:$src1, GR8:$src2),
513 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
514 def XCHG16mr : I<0x87, MRMDestMem,
515 (ops i16mem:$src1, GR16:$src2),
516 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
517 def XCHG32mr : I<0x87, MRMDestMem,
518 (ops i32mem:$src1, GR32:$src2),
519 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
520 def XCHG8rm : I<0x86, MRMSrcMem,
521 (ops GR8:$src1, i8mem:$src2),
522 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
523 def XCHG16rm : I<0x87, MRMSrcMem,
524 (ops GR16:$src1, i16mem:$src2),
525 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
526 def XCHG32rm : I<0x87, MRMSrcMem,
527 (ops GR32:$src1, i32mem:$src2),
528 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
530 def LEA16r : I<0x8D, MRMSrcMem,
531 (ops GR16:$dst, i32mem:$src),
532 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
533 def LEA32r : I<0x8D, MRMSrcMem,
534 (ops GR32:$dst, lea32mem:$src),
535 "lea{l} {$src|$dst}, {$dst|$src}",
536 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
538 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
540 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
541 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
542 [(X86rep_movs i16)]>,
543 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
544 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsl|rep movsd}",
545 [(X86rep_movs i32)]>,
546 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
548 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
550 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
551 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
552 [(X86rep_stos i16)]>,
553 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
554 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
555 [(X86rep_stos i32)]>,
556 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
558 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
559 TB, Imp<[],[RAX,RDX]>;
561 //===----------------------------------------------------------------------===//
562 // Input/Output Instructions...
564 def IN8rr : I<0xEC, RawFrm, (ops),
565 "in{b} {%dx, %al|%AL, %DX}",
566 []>, Imp<[DX], [AL]>;
567 def IN16rr : I<0xED, RawFrm, (ops),
568 "in{w} {%dx, %ax|%AX, %DX}",
569 []>, Imp<[DX], [AX]>, OpSize;
570 def IN32rr : I<0xED, RawFrm, (ops),
571 "in{l} {%dx, %eax|%EAX, %DX}",
572 []>, Imp<[DX],[EAX]>;
574 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
575 "in{b} {$port, %al|%AL, $port}",
578 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
579 "in{w} {$port, %ax|%AX, $port}",
581 Imp<[], [AX]>, OpSize;
582 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
583 "in{l} {$port, %eax|%EAX, $port}",
587 def OUT8rr : I<0xEE, RawFrm, (ops),
588 "out{b} {%al, %dx|%DX, %AL}",
589 []>, Imp<[DX, AL], []>;
590 def OUT16rr : I<0xEF, RawFrm, (ops),
591 "out{w} {%ax, %dx|%DX, %AX}",
592 []>, Imp<[DX, AX], []>, OpSize;
593 def OUT32rr : I<0xEF, RawFrm, (ops),
594 "out{l} {%eax, %dx|%DX, %EAX}",
595 []>, Imp<[DX, EAX], []>;
597 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
598 "out{b} {%al, $port|$port, %AL}",
601 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
602 "out{w} {%ax, $port|$port, %AX}",
604 Imp<[AX], []>, OpSize;
605 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
606 "out{l} {%eax, $port|$port, %EAX}",
610 //===----------------------------------------------------------------------===//
611 // Move Instructions...
613 def MOV8rr : I<0x88, MRMDestReg, (ops GR8 :$dst, GR8 :$src),
614 "mov{b} {$src, $dst|$dst, $src}", []>;
615 def MOV16rr : I<0x89, MRMDestReg, (ops GR16:$dst, GR16:$src),
616 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
617 def MOV32rr : I<0x89, MRMDestReg, (ops GR32:$dst, GR32:$src),
618 "mov{l} {$src, $dst|$dst, $src}", []>;
619 let isReMaterializable = 1 in {
620 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops GR8 :$dst, i8imm :$src),
621 "mov{b} {$src, $dst|$dst, $src}",
622 [(set GR8:$dst, imm:$src)]>;
623 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops GR16:$dst, i16imm:$src),
624 "mov{w} {$src, $dst|$dst, $src}",
625 [(set GR16:$dst, imm:$src)]>, OpSize;
626 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops GR32:$dst, i32imm:$src),
627 "mov{l} {$src, $dst|$dst, $src}",
628 [(set GR32:$dst, imm:$src)]>;
630 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
631 "mov{b} {$src, $dst|$dst, $src}",
632 [(store (i8 imm:$src), addr:$dst)]>;
633 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
634 "mov{w} {$src, $dst|$dst, $src}",
635 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
636 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
637 "mov{l} {$src, $dst|$dst, $src}",
638 [(store (i32 imm:$src), addr:$dst)]>;
640 def MOV8rm : I<0x8A, MRMSrcMem, (ops GR8 :$dst, i8mem :$src),
641 "mov{b} {$src, $dst|$dst, $src}",
642 [(set GR8:$dst, (load addr:$src))]>;
643 def MOV16rm : I<0x8B, MRMSrcMem, (ops GR16:$dst, i16mem:$src),
644 "mov{w} {$src, $dst|$dst, $src}",
645 [(set GR16:$dst, (load addr:$src))]>, OpSize;
646 def MOV32rm : I<0x8B, MRMSrcMem, (ops GR32:$dst, i32mem:$src),
647 "mov{l} {$src, $dst|$dst, $src}",
648 [(set GR32:$dst, (load addr:$src))]>;
650 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, GR8 :$src),
651 "mov{b} {$src, $dst|$dst, $src}",
652 [(store GR8:$src, addr:$dst)]>;
653 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, GR16:$src),
654 "mov{w} {$src, $dst|$dst, $src}",
655 [(store GR16:$src, addr:$dst)]>, OpSize;
656 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, GR32:$src),
657 "mov{l} {$src, $dst|$dst, $src}",
658 [(store GR32:$src, addr:$dst)]>;
660 //===----------------------------------------------------------------------===//
661 // Fixed-Register Multiplication and Division Instructions...
664 // Extra precision multiplication
665 def MUL8r : I<0xF6, MRM4r, (ops GR8:$src), "mul{b} $src",
666 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
667 // This probably ought to be moved to a def : Pat<> if the
668 // syntax can be accepted.
669 [(set AL, (mul AL, GR8:$src))]>,
670 Imp<[AL],[AX]>; // AL,AH = AL*GR8
671 def MUL16r : I<0xF7, MRM4r, (ops GR16:$src), "mul{w} $src", []>,
672 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*GR16
673 def MUL32r : I<0xF7, MRM4r, (ops GR32:$src), "mul{l} $src", []>,
674 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*GR32
675 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
677 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
678 // This probably ought to be moved to a def : Pat<> if the
679 // syntax can be accepted.
680 [(set AL, (mul AL, (loadi8 addr:$src)))]>,
681 Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
682 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
683 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
684 OpSize; // AX,DX = AX*[mem16]
685 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
686 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
688 def IMUL8r : I<0xF6, MRM5r, (ops GR8:$src), "imul{b} $src", []>,
689 Imp<[AL],[AX]>; // AL,AH = AL*GR8
690 def IMUL16r : I<0xF7, MRM5r, (ops GR16:$src), "imul{w} $src", []>,
691 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*GR16
692 def IMUL32r : I<0xF7, MRM5r, (ops GR32:$src), "imul{l} $src", []>,
693 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*GR32
694 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
695 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
696 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
697 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
698 OpSize; // AX,DX = AX*[mem16]
699 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
701 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
703 // unsigned division/remainder
704 def DIV8r : I<0xF6, MRM6r, (ops GR8:$src), // AX/r8 = AL,AH
705 "div{b} $src", []>, Imp<[AX],[AX]>;
706 def DIV16r : I<0xF7, MRM6r, (ops GR16:$src), // DX:AX/r16 = AX,DX
707 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
708 def DIV32r : I<0xF7, MRM6r, (ops GR32:$src), // EDX:EAX/r32 = EAX,EDX
709 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
710 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
711 "div{b} $src", []>, Imp<[AX],[AX]>;
712 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
713 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
714 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
715 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
717 // Signed division/remainder.
718 def IDIV8r : I<0xF6, MRM7r, (ops GR8:$src), // AX/r8 = AL,AH
719 "idiv{b} $src", []>, Imp<[AX],[AX]>;
720 def IDIV16r: I<0xF7, MRM7r, (ops GR16:$src), // DX:AX/r16 = AX,DX
721 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
722 def IDIV32r: I<0xF7, MRM7r, (ops GR32:$src), // EDX:EAX/r32 = EAX,EDX
723 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
724 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
725 "idiv{b} $src", []>, Imp<[AX],[AX]>;
726 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
727 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
728 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
729 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
732 //===----------------------------------------------------------------------===//
733 // Two address Instructions...
735 let isTwoAddress = 1 in {
738 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
739 (ops GR16:$dst, GR16:$src1, GR16:$src2),
740 "cmovb {$src2, $dst|$dst, $src2}",
741 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
744 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
745 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
746 "cmovb {$src2, $dst|$dst, $src2}",
747 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
750 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
751 (ops GR32:$dst, GR32:$src1, GR32:$src2),
752 "cmovb {$src2, $dst|$dst, $src2}",
753 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
756 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
757 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
758 "cmovb {$src2, $dst|$dst, $src2}",
759 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
763 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
764 (ops GR16:$dst, GR16:$src1, GR16:$src2),
765 "cmovae {$src2, $dst|$dst, $src2}",
766 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
769 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
770 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
771 "cmovae {$src2, $dst|$dst, $src2}",
772 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
775 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
776 (ops GR32:$dst, GR32:$src1, GR32:$src2),
777 "cmovae {$src2, $dst|$dst, $src2}",
778 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
781 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
782 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
783 "cmovae {$src2, $dst|$dst, $src2}",
784 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
788 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
789 (ops GR16:$dst, GR16:$src1, GR16:$src2),
790 "cmove {$src2, $dst|$dst, $src2}",
791 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
794 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
795 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
796 "cmove {$src2, $dst|$dst, $src2}",
797 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
800 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
801 (ops GR32:$dst, GR32:$src1, GR32:$src2),
802 "cmove {$src2, $dst|$dst, $src2}",
803 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
806 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
807 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
808 "cmove {$src2, $dst|$dst, $src2}",
809 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
813 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
814 (ops GR16:$dst, GR16:$src1, GR16:$src2),
815 "cmovne {$src2, $dst|$dst, $src2}",
816 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
819 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
820 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
821 "cmovne {$src2, $dst|$dst, $src2}",
822 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
825 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
826 (ops GR32:$dst, GR32:$src1, GR32:$src2),
827 "cmovne {$src2, $dst|$dst, $src2}",
828 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
831 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
832 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
833 "cmovne {$src2, $dst|$dst, $src2}",
834 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
838 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
839 (ops GR16:$dst, GR16:$src1, GR16:$src2),
840 "cmovbe {$src2, $dst|$dst, $src2}",
841 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
844 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
845 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
846 "cmovbe {$src2, $dst|$dst, $src2}",
847 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
850 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
851 (ops GR32:$dst, GR32:$src1, GR32:$src2),
852 "cmovbe {$src2, $dst|$dst, $src2}",
853 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
856 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
857 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
858 "cmovbe {$src2, $dst|$dst, $src2}",
859 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
863 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
864 (ops GR16:$dst, GR16:$src1, GR16:$src2),
865 "cmova {$src2, $dst|$dst, $src2}",
866 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
869 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
870 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
871 "cmova {$src2, $dst|$dst, $src2}",
872 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
875 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
876 (ops GR32:$dst, GR32:$src1, GR32:$src2),
877 "cmova {$src2, $dst|$dst, $src2}",
878 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
881 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
882 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
883 "cmova {$src2, $dst|$dst, $src2}",
884 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
888 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
889 (ops GR16:$dst, GR16:$src1, GR16:$src2),
890 "cmovl {$src2, $dst|$dst, $src2}",
891 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
894 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
895 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
896 "cmovl {$src2, $dst|$dst, $src2}",
897 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
900 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
901 (ops GR32:$dst, GR32:$src1, GR32:$src2),
902 "cmovl {$src2, $dst|$dst, $src2}",
903 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
906 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
907 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
908 "cmovl {$src2, $dst|$dst, $src2}",
909 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
913 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
914 (ops GR16:$dst, GR16:$src1, GR16:$src2),
915 "cmovge {$src2, $dst|$dst, $src2}",
916 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
919 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
920 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
921 "cmovge {$src2, $dst|$dst, $src2}",
922 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
925 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
926 (ops GR32:$dst, GR32:$src1, GR32:$src2),
927 "cmovge {$src2, $dst|$dst, $src2}",
928 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
931 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
932 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
933 "cmovge {$src2, $dst|$dst, $src2}",
934 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
938 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
939 (ops GR16:$dst, GR16:$src1, GR16:$src2),
940 "cmovle {$src2, $dst|$dst, $src2}",
941 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
944 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
945 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
946 "cmovle {$src2, $dst|$dst, $src2}",
947 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
950 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
951 (ops GR32:$dst, GR32:$src1, GR32:$src2),
952 "cmovle {$src2, $dst|$dst, $src2}",
953 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
956 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
957 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
958 "cmovle {$src2, $dst|$dst, $src2}",
959 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
963 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
964 (ops GR16:$dst, GR16:$src1, GR16:$src2),
965 "cmovg {$src2, $dst|$dst, $src2}",
966 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
969 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
970 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
971 "cmovg {$src2, $dst|$dst, $src2}",
972 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
975 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
976 (ops GR32:$dst, GR32:$src1, GR32:$src2),
977 "cmovg {$src2, $dst|$dst, $src2}",
978 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
981 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
982 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
983 "cmovg {$src2, $dst|$dst, $src2}",
984 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
988 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
989 (ops GR16:$dst, GR16:$src1, GR16:$src2),
990 "cmovs {$src2, $dst|$dst, $src2}",
991 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
994 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
995 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
996 "cmovs {$src2, $dst|$dst, $src2}",
997 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1000 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1001 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1002 "cmovs {$src2, $dst|$dst, $src2}",
1003 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1006 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1007 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1008 "cmovs {$src2, $dst|$dst, $src2}",
1009 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1013 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1014 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1015 "cmovns {$src2, $dst|$dst, $src2}",
1016 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1019 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1020 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1021 "cmovns {$src2, $dst|$dst, $src2}",
1022 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1025 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1026 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1027 "cmovns {$src2, $dst|$dst, $src2}",
1028 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1031 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1032 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1033 "cmovns {$src2, $dst|$dst, $src2}",
1034 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1038 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1039 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1040 "cmovp {$src2, $dst|$dst, $src2}",
1041 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1044 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1045 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1046 "cmovp {$src2, $dst|$dst, $src2}",
1047 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1050 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1051 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1052 "cmovp {$src2, $dst|$dst, $src2}",
1053 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1056 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1057 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1058 "cmovp {$src2, $dst|$dst, $src2}",
1059 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1063 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1064 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1065 "cmovnp {$src2, $dst|$dst, $src2}",
1066 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1069 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1070 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1071 "cmovnp {$src2, $dst|$dst, $src2}",
1072 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1075 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1076 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1077 "cmovnp {$src2, $dst|$dst, $src2}",
1078 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1081 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1082 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1083 "cmovnp {$src2, $dst|$dst, $src2}",
1084 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1089 // unary instructions
1090 let CodeSize = 2 in {
1091 def NEG8r : I<0xF6, MRM3r, (ops GR8 :$dst, GR8 :$src), "neg{b} $dst",
1092 [(set GR8:$dst, (ineg GR8:$src))]>;
1093 def NEG16r : I<0xF7, MRM3r, (ops GR16:$dst, GR16:$src), "neg{w} $dst",
1094 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1095 def NEG32r : I<0xF7, MRM3r, (ops GR32:$dst, GR32:$src), "neg{l} $dst",
1096 [(set GR32:$dst, (ineg GR32:$src))]>;
1097 let isTwoAddress = 0 in {
1098 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1099 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1100 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1101 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1102 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1103 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1107 def NOT8r : I<0xF6, MRM2r, (ops GR8 :$dst, GR8 :$src), "not{b} $dst",
1108 [(set GR8:$dst, (not GR8:$src))]>;
1109 def NOT16r : I<0xF7, MRM2r, (ops GR16:$dst, GR16:$src), "not{w} $dst",
1110 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1111 def NOT32r : I<0xF7, MRM2r, (ops GR32:$dst, GR32:$src), "not{l} $dst",
1112 [(set GR32:$dst, (not GR32:$src))]>;
1113 let isTwoAddress = 0 in {
1114 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1115 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1116 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1117 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1118 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1119 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1123 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1125 def INC8r : I<0xFE, MRM0r, (ops GR8 :$dst, GR8 :$src), "inc{b} $dst",
1126 [(set GR8:$dst, (add GR8:$src, 1))]>;
1127 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1128 def INC16r : I<0x40, AddRegFrm, (ops GR16:$dst, GR16:$src), "inc{w} $dst",
1129 [(set GR16:$dst, (add GR16:$src, 1))]>,
1130 OpSize, Requires<[In32BitMode]>;
1131 def INC32r : I<0x40, AddRegFrm, (ops GR32:$dst, GR32:$src), "inc{l} $dst",
1132 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1134 let isTwoAddress = 0, CodeSize = 2 in {
1135 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1136 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1137 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1138 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1139 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1140 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1144 def DEC8r : I<0xFE, MRM1r, (ops GR8 :$dst, GR8 :$src), "dec{b} $dst",
1145 [(set GR8:$dst, (add GR8:$src, -1))]>;
1146 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1147 def DEC16r : I<0x48, AddRegFrm, (ops GR16:$dst, GR16:$src), "dec{w} $dst",
1148 [(set GR16:$dst, (add GR16:$src, -1))]>,
1149 OpSize, Requires<[In32BitMode]>;
1150 def DEC32r : I<0x48, AddRegFrm, (ops GR32:$dst, GR32:$src), "dec{l} $dst",
1151 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1154 let isTwoAddress = 0, CodeSize = 2 in {
1155 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1156 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1157 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1158 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1159 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1160 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1163 // Logical operators...
1164 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1165 def AND8rr : I<0x20, MRMDestReg,
1166 (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1167 "and{b} {$src2, $dst|$dst, $src2}",
1168 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1169 def AND16rr : I<0x21, MRMDestReg,
1170 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1171 "and{w} {$src2, $dst|$dst, $src2}",
1172 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1173 def AND32rr : I<0x21, MRMDestReg,
1174 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1175 "and{l} {$src2, $dst|$dst, $src2}",
1176 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1179 def AND8rm : I<0x22, MRMSrcMem,
1180 (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1181 "and{b} {$src2, $dst|$dst, $src2}",
1182 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1183 def AND16rm : I<0x23, MRMSrcMem,
1184 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1185 "and{w} {$src2, $dst|$dst, $src2}",
1186 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1187 def AND32rm : I<0x23, MRMSrcMem,
1188 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1189 "and{l} {$src2, $dst|$dst, $src2}",
1190 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1192 def AND8ri : Ii8<0x80, MRM4r,
1193 (ops GR8 :$dst, GR8 :$src1, i8imm :$src2),
1194 "and{b} {$src2, $dst|$dst, $src2}",
1195 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1196 def AND16ri : Ii16<0x81, MRM4r,
1197 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1198 "and{w} {$src2, $dst|$dst, $src2}",
1199 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1200 def AND32ri : Ii32<0x81, MRM4r,
1201 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1202 "and{l} {$src2, $dst|$dst, $src2}",
1203 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1204 def AND16ri8 : Ii8<0x83, MRM4r,
1205 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1206 "and{w} {$src2, $dst|$dst, $src2}",
1207 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1209 def AND32ri8 : Ii8<0x83, MRM4r,
1210 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1211 "and{l} {$src2, $dst|$dst, $src2}",
1212 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1214 let isTwoAddress = 0 in {
1215 def AND8mr : I<0x20, MRMDestMem,
1216 (ops i8mem :$dst, GR8 :$src),
1217 "and{b} {$src, $dst|$dst, $src}",
1218 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1219 def AND16mr : I<0x21, MRMDestMem,
1220 (ops i16mem:$dst, GR16:$src),
1221 "and{w} {$src, $dst|$dst, $src}",
1222 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1224 def AND32mr : I<0x21, MRMDestMem,
1225 (ops i32mem:$dst, GR32:$src),
1226 "and{l} {$src, $dst|$dst, $src}",
1227 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1228 def AND8mi : Ii8<0x80, MRM4m,
1229 (ops i8mem :$dst, i8imm :$src),
1230 "and{b} {$src, $dst|$dst, $src}",
1231 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1232 def AND16mi : Ii16<0x81, MRM4m,
1233 (ops i16mem:$dst, i16imm:$src),
1234 "and{w} {$src, $dst|$dst, $src}",
1235 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1237 def AND32mi : Ii32<0x81, MRM4m,
1238 (ops i32mem:$dst, i32imm:$src),
1239 "and{l} {$src, $dst|$dst, $src}",
1240 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1241 def AND16mi8 : Ii8<0x83, MRM4m,
1242 (ops i16mem:$dst, i16i8imm :$src),
1243 "and{w} {$src, $dst|$dst, $src}",
1244 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1246 def AND32mi8 : Ii8<0x83, MRM4m,
1247 (ops i32mem:$dst, i32i8imm :$src),
1248 "and{l} {$src, $dst|$dst, $src}",
1249 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1253 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1254 def OR8rr : I<0x08, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1255 "or{b} {$src2, $dst|$dst, $src2}",
1256 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1257 def OR16rr : I<0x09, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1258 "or{w} {$src2, $dst|$dst, $src2}",
1259 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1260 def OR32rr : I<0x09, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1261 "or{l} {$src2, $dst|$dst, $src2}",
1262 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1264 def OR8rm : I<0x0A, MRMSrcMem , (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1265 "or{b} {$src2, $dst|$dst, $src2}",
1266 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1267 def OR16rm : I<0x0B, MRMSrcMem , (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1268 "or{w} {$src2, $dst|$dst, $src2}",
1269 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1270 def OR32rm : I<0x0B, MRMSrcMem , (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1271 "or{l} {$src2, $dst|$dst, $src2}",
1272 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1274 def OR8ri : Ii8 <0x80, MRM1r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1275 "or{b} {$src2, $dst|$dst, $src2}",
1276 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1277 def OR16ri : Ii16<0x81, MRM1r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1278 "or{w} {$src2, $dst|$dst, $src2}",
1279 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1280 def OR32ri : Ii32<0x81, MRM1r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1281 "or{l} {$src2, $dst|$dst, $src2}",
1282 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1284 def OR16ri8 : Ii8<0x83, MRM1r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1285 "or{w} {$src2, $dst|$dst, $src2}",
1286 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1287 def OR32ri8 : Ii8<0x83, MRM1r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1288 "or{l} {$src2, $dst|$dst, $src2}",
1289 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1290 let isTwoAddress = 0 in {
1291 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, GR8:$src),
1292 "or{b} {$src, $dst|$dst, $src}",
1293 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1294 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, GR16:$src),
1295 "or{w} {$src, $dst|$dst, $src}",
1296 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1297 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, GR32:$src),
1298 "or{l} {$src, $dst|$dst, $src}",
1299 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1300 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1301 "or{b} {$src, $dst|$dst, $src}",
1302 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1303 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1304 "or{w} {$src, $dst|$dst, $src}",
1305 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1307 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1308 "or{l} {$src, $dst|$dst, $src}",
1309 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1310 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1311 "or{w} {$src, $dst|$dst, $src}",
1312 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1314 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1315 "or{l} {$src, $dst|$dst, $src}",
1316 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1320 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1321 def XOR8rr : I<0x30, MRMDestReg,
1322 (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1323 "xor{b} {$src2, $dst|$dst, $src2}",
1324 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1325 def XOR16rr : I<0x31, MRMDestReg,
1326 (ops GR16:$dst, GR16:$src1, GR16:$src2),
1327 "xor{w} {$src2, $dst|$dst, $src2}",
1328 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1329 def XOR32rr : I<0x31, MRMDestReg,
1330 (ops GR32:$dst, GR32:$src1, GR32:$src2),
1331 "xor{l} {$src2, $dst|$dst, $src2}",
1332 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1335 def XOR8rm : I<0x32, MRMSrcMem ,
1336 (ops GR8 :$dst, GR8:$src1, i8mem :$src2),
1337 "xor{b} {$src2, $dst|$dst, $src2}",
1338 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1339 def XOR16rm : I<0x33, MRMSrcMem ,
1340 (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1341 "xor{w} {$src2, $dst|$dst, $src2}",
1342 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>, OpSize;
1343 def XOR32rm : I<0x33, MRMSrcMem ,
1344 (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1345 "xor{l} {$src2, $dst|$dst, $src2}",
1346 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1348 def XOR8ri : Ii8<0x80, MRM6r,
1349 (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1350 "xor{b} {$src2, $dst|$dst, $src2}",
1351 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1352 def XOR16ri : Ii16<0x81, MRM6r,
1353 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1354 "xor{w} {$src2, $dst|$dst, $src2}",
1355 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1356 def XOR32ri : Ii32<0x81, MRM6r,
1357 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1358 "xor{l} {$src2, $dst|$dst, $src2}",
1359 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1360 def XOR16ri8 : Ii8<0x83, MRM6r,
1361 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1362 "xor{w} {$src2, $dst|$dst, $src2}",
1363 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1365 def XOR32ri8 : Ii8<0x83, MRM6r,
1366 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1367 "xor{l} {$src2, $dst|$dst, $src2}",
1368 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1369 let isTwoAddress = 0 in {
1370 def XOR8mr : I<0x30, MRMDestMem,
1371 (ops i8mem :$dst, GR8 :$src),
1372 "xor{b} {$src, $dst|$dst, $src}",
1373 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1374 def XOR16mr : I<0x31, MRMDestMem,
1375 (ops i16mem:$dst, GR16:$src),
1376 "xor{w} {$src, $dst|$dst, $src}",
1377 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1379 def XOR32mr : I<0x31, MRMDestMem,
1380 (ops i32mem:$dst, GR32:$src),
1381 "xor{l} {$src, $dst|$dst, $src}",
1382 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1383 def XOR8mi : Ii8<0x80, MRM6m,
1384 (ops i8mem :$dst, i8imm :$src),
1385 "xor{b} {$src, $dst|$dst, $src}",
1386 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1387 def XOR16mi : Ii16<0x81, MRM6m,
1388 (ops i16mem:$dst, i16imm:$src),
1389 "xor{w} {$src, $dst|$dst, $src}",
1390 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1392 def XOR32mi : Ii32<0x81, MRM6m,
1393 (ops i32mem:$dst, i32imm:$src),
1394 "xor{l} {$src, $dst|$dst, $src}",
1395 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1396 def XOR16mi8 : Ii8<0x83, MRM6m,
1397 (ops i16mem:$dst, i16i8imm :$src),
1398 "xor{w} {$src, $dst|$dst, $src}",
1399 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1401 def XOR32mi8 : Ii8<0x83, MRM6m,
1402 (ops i32mem:$dst, i32i8imm :$src),
1403 "xor{l} {$src, $dst|$dst, $src}",
1404 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1407 // Shift instructions
1408 def SHL8rCL : I<0xD2, MRM4r, (ops GR8 :$dst, GR8 :$src),
1409 "shl{b} {%cl, $dst|$dst, %CL}",
1410 [(set GR8:$dst, (shl GR8:$src, CL))]>, Imp<[CL],[]>;
1411 def SHL16rCL : I<0xD3, MRM4r, (ops GR16:$dst, GR16:$src),
1412 "shl{w} {%cl, $dst|$dst, %CL}",
1413 [(set GR16:$dst, (shl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1414 def SHL32rCL : I<0xD3, MRM4r, (ops GR32:$dst, GR32:$src),
1415 "shl{l} {%cl, $dst|$dst, %CL}",
1416 [(set GR32:$dst, (shl GR32:$src, CL))]>, Imp<[CL],[]>;
1418 def SHL8ri : Ii8<0xC0, MRM4r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1419 "shl{b} {$src2, $dst|$dst, $src2}",
1420 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1421 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1422 def SHL16ri : Ii8<0xC1, MRM4r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1423 "shl{w} {$src2, $dst|$dst, $src2}",
1424 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1425 def SHL32ri : Ii8<0xC1, MRM4r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1426 "shl{l} {$src2, $dst|$dst, $src2}",
1427 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1430 // Shift left by one. Not used because (add x, x) is slightly cheaper.
1431 def SHL8r1 : I<0xD0, MRM4r, (ops GR8 :$dst, GR8 :$src1),
1433 def SHL16r1 : I<0xD1, MRM4r, (ops GR16:$dst, GR16:$src1),
1434 "shl{w} $dst", []>, OpSize;
1435 def SHL32r1 : I<0xD1, MRM4r, (ops GR32:$dst, GR32:$src1),
1438 let isTwoAddress = 0 in {
1439 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1440 "shl{b} {%cl, $dst|$dst, %CL}",
1441 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1443 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1444 "shl{w} {%cl, $dst|$dst, %CL}",
1445 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1446 Imp<[CL],[]>, OpSize;
1447 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1448 "shl{l} {%cl, $dst|$dst, %CL}",
1449 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1451 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1452 "shl{b} {$src, $dst|$dst, $src}",
1453 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1454 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1455 "shl{w} {$src, $dst|$dst, $src}",
1456 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1458 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1459 "shl{l} {$src, $dst|$dst, $src}",
1460 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1463 def SHL8m1 : I<0xD0, MRM4m, (ops i8mem :$dst),
1465 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1466 def SHL16m1 : I<0xD1, MRM4m, (ops i16mem:$dst),
1468 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1470 def SHL32m1 : I<0xD1, MRM4m, (ops i32mem:$dst),
1472 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1475 def SHR8rCL : I<0xD2, MRM5r, (ops GR8 :$dst, GR8 :$src),
1476 "shr{b} {%cl, $dst|$dst, %CL}",
1477 [(set GR8:$dst, (srl GR8:$src, CL))]>, Imp<[CL],[]>;
1478 def SHR16rCL : I<0xD3, MRM5r, (ops GR16:$dst, GR16:$src),
1479 "shr{w} {%cl, $dst|$dst, %CL}",
1480 [(set GR16:$dst, (srl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1481 def SHR32rCL : I<0xD3, MRM5r, (ops GR32:$dst, GR32:$src),
1482 "shr{l} {%cl, $dst|$dst, %CL}",
1483 [(set GR32:$dst, (srl GR32:$src, CL))]>, Imp<[CL],[]>;
1485 def SHR8ri : Ii8<0xC0, MRM5r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1486 "shr{b} {$src2, $dst|$dst, $src2}",
1487 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1488 def SHR16ri : Ii8<0xC1, MRM5r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1489 "shr{w} {$src2, $dst|$dst, $src2}",
1490 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1491 def SHR32ri : Ii8<0xC1, MRM5r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1492 "shr{l} {$src2, $dst|$dst, $src2}",
1493 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1496 def SHR8r1 : I<0xD0, MRM5r, (ops GR8:$dst, GR8:$src1),
1498 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1499 def SHR16r1 : I<0xD1, MRM5r, (ops GR16:$dst, GR16:$src1),
1501 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1502 def SHR32r1 : I<0xD1, MRM5r, (ops GR32:$dst, GR32:$src1),
1504 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1506 let isTwoAddress = 0 in {
1507 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1508 "shr{b} {%cl, $dst|$dst, %CL}",
1509 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1511 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1512 "shr{w} {%cl, $dst|$dst, %CL}",
1513 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1514 Imp<[CL],[]>, OpSize;
1515 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1516 "shr{l} {%cl, $dst|$dst, %CL}",
1517 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1519 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1520 "shr{b} {$src, $dst|$dst, $src}",
1521 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1522 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1523 "shr{w} {$src, $dst|$dst, $src}",
1524 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1526 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1527 "shr{l} {$src, $dst|$dst, $src}",
1528 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1531 def SHR8m1 : I<0xD0, MRM5m, (ops i8mem :$dst),
1533 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1534 def SHR16m1 : I<0xD1, MRM5m, (ops i16mem:$dst),
1536 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1537 def SHR32m1 : I<0xD1, MRM5m, (ops i32mem:$dst),
1539 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1542 def SAR8rCL : I<0xD2, MRM7r, (ops GR8 :$dst, GR8 :$src),
1543 "sar{b} {%cl, $dst|$dst, %CL}",
1544 [(set GR8:$dst, (sra GR8:$src, CL))]>, Imp<[CL],[]>;
1545 def SAR16rCL : I<0xD3, MRM7r, (ops GR16:$dst, GR16:$src),
1546 "sar{w} {%cl, $dst|$dst, %CL}",
1547 [(set GR16:$dst, (sra GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1548 def SAR32rCL : I<0xD3, MRM7r, (ops GR32:$dst, GR32:$src),
1549 "sar{l} {%cl, $dst|$dst, %CL}",
1550 [(set GR32:$dst, (sra GR32:$src, CL))]>, Imp<[CL],[]>;
1552 def SAR8ri : Ii8<0xC0, MRM7r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1553 "sar{b} {$src2, $dst|$dst, $src2}",
1554 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1555 def SAR16ri : Ii8<0xC1, MRM7r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1556 "sar{w} {$src2, $dst|$dst, $src2}",
1557 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1559 def SAR32ri : Ii8<0xC1, MRM7r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1560 "sar{l} {$src2, $dst|$dst, $src2}",
1561 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1564 def SAR8r1 : I<0xD0, MRM7r, (ops GR8 :$dst, GR8 :$src1),
1566 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1567 def SAR16r1 : I<0xD1, MRM7r, (ops GR16:$dst, GR16:$src1),
1569 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1570 def SAR32r1 : I<0xD1, MRM7r, (ops GR32:$dst, GR32:$src1),
1572 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1574 let isTwoAddress = 0 in {
1575 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1576 "sar{b} {%cl, $dst|$dst, %CL}",
1577 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1579 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1580 "sar{w} {%cl, $dst|$dst, %CL}",
1581 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1582 Imp<[CL],[]>, OpSize;
1583 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1584 "sar{l} {%cl, $dst|$dst, %CL}",
1585 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1587 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1588 "sar{b} {$src, $dst|$dst, $src}",
1589 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1590 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1591 "sar{w} {$src, $dst|$dst, $src}",
1592 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1594 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1595 "sar{l} {$src, $dst|$dst, $src}",
1596 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1599 def SAR8m1 : I<0xD0, MRM7m, (ops i8mem :$dst),
1601 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1602 def SAR16m1 : I<0xD1, MRM7m, (ops i16mem:$dst),
1604 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1606 def SAR32m1 : I<0xD1, MRM7m, (ops i32mem:$dst),
1608 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1611 // Rotate instructions
1612 // FIXME: provide shorter instructions when imm8 == 1
1613 def ROL8rCL : I<0xD2, MRM0r, (ops GR8 :$dst, GR8 :$src),
1614 "rol{b} {%cl, $dst|$dst, %CL}",
1615 [(set GR8:$dst, (rotl GR8:$src, CL))]>, Imp<[CL],[]>;
1616 def ROL16rCL : I<0xD3, MRM0r, (ops GR16:$dst, GR16:$src),
1617 "rol{w} {%cl, $dst|$dst, %CL}",
1618 [(set GR16:$dst, (rotl GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1619 def ROL32rCL : I<0xD3, MRM0r, (ops GR32:$dst, GR32:$src),
1620 "rol{l} {%cl, $dst|$dst, %CL}",
1621 [(set GR32:$dst, (rotl GR32:$src, CL))]>, Imp<[CL],[]>;
1623 def ROL8ri : Ii8<0xC0, MRM0r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1624 "rol{b} {$src2, $dst|$dst, $src2}",
1625 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1626 def ROL16ri : Ii8<0xC1, MRM0r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1627 "rol{w} {$src2, $dst|$dst, $src2}",
1628 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1629 def ROL32ri : Ii8<0xC1, MRM0r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1630 "rol{l} {$src2, $dst|$dst, $src2}",
1631 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1634 def ROL8r1 : I<0xD0, MRM0r, (ops GR8 :$dst, GR8 :$src1),
1636 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1637 def ROL16r1 : I<0xD1, MRM0r, (ops GR16:$dst, GR16:$src1),
1639 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1640 def ROL32r1 : I<0xD1, MRM0r, (ops GR32:$dst, GR32:$src1),
1642 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1644 let isTwoAddress = 0 in {
1645 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1646 "rol{b} {%cl, $dst|$dst, %CL}",
1647 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1649 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1650 "rol{w} {%cl, $dst|$dst, %CL}",
1651 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1652 Imp<[CL],[]>, OpSize;
1653 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1654 "rol{l} {%cl, $dst|$dst, %CL}",
1655 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1657 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1658 "rol{b} {$src, $dst|$dst, $src}",
1659 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1660 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1661 "rol{w} {$src, $dst|$dst, $src}",
1662 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1664 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1665 "rol{l} {$src, $dst|$dst, $src}",
1666 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1669 def ROL8m1 : I<0xD0, MRM0m, (ops i8mem :$dst),
1671 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1672 def ROL16m1 : I<0xD1, MRM0m, (ops i16mem:$dst),
1674 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1676 def ROL32m1 : I<0xD1, MRM0m, (ops i32mem:$dst),
1678 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1681 def ROR8rCL : I<0xD2, MRM1r, (ops GR8 :$dst, GR8 :$src),
1682 "ror{b} {%cl, $dst|$dst, %CL}",
1683 [(set GR8:$dst, (rotr GR8:$src, CL))]>, Imp<[CL],[]>;
1684 def ROR16rCL : I<0xD3, MRM1r, (ops GR16:$dst, GR16:$src),
1685 "ror{w} {%cl, $dst|$dst, %CL}",
1686 [(set GR16:$dst, (rotr GR16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1687 def ROR32rCL : I<0xD3, MRM1r, (ops GR32:$dst, GR32:$src),
1688 "ror{l} {%cl, $dst|$dst, %CL}",
1689 [(set GR32:$dst, (rotr GR32:$src, CL))]>, Imp<[CL],[]>;
1691 def ROR8ri : Ii8<0xC0, MRM1r, (ops GR8 :$dst, GR8 :$src1, i8imm:$src2),
1692 "ror{b} {$src2, $dst|$dst, $src2}",
1693 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1694 def ROR16ri : Ii8<0xC1, MRM1r, (ops GR16:$dst, GR16:$src1, i8imm:$src2),
1695 "ror{w} {$src2, $dst|$dst, $src2}",
1696 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1697 def ROR32ri : Ii8<0xC1, MRM1r, (ops GR32:$dst, GR32:$src1, i8imm:$src2),
1698 "ror{l} {$src2, $dst|$dst, $src2}",
1699 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1702 def ROR8r1 : I<0xD0, MRM1r, (ops GR8 :$dst, GR8 :$src1),
1704 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1705 def ROR16r1 : I<0xD1, MRM1r, (ops GR16:$dst, GR16:$src1),
1707 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1708 def ROR32r1 : I<0xD1, MRM1r, (ops GR32:$dst, GR32:$src1),
1710 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1712 let isTwoAddress = 0 in {
1713 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1714 "ror{b} {%cl, $dst|$dst, %CL}",
1715 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1717 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1718 "ror{w} {%cl, $dst|$dst, %CL}",
1719 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1720 Imp<[CL],[]>, OpSize;
1721 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1722 "ror{l} {%cl, $dst|$dst, %CL}",
1723 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1725 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1726 "ror{b} {$src, $dst|$dst, $src}",
1727 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1728 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1729 "ror{w} {$src, $dst|$dst, $src}",
1730 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1732 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1733 "ror{l} {$src, $dst|$dst, $src}",
1734 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1737 def ROR8m1 : I<0xD0, MRM1m, (ops i8mem :$dst),
1739 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1740 def ROR16m1 : I<0xD1, MRM1m, (ops i16mem:$dst),
1742 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1744 def ROR32m1 : I<0xD1, MRM1m, (ops i32mem:$dst),
1746 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1751 // Double shift instructions (generalizations of rotate)
1752 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1753 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1754 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>,
1756 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1757 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1758 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>,
1760 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1761 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1762 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1763 Imp<[CL],[]>, TB, OpSize;
1764 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1765 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1766 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1767 Imp<[CL],[]>, TB, OpSize;
1769 let isCommutable = 1 in { // These instructions commute to each other.
1770 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1771 (ops GR32:$dst, GR32:$src1, GR32:$src2, i8imm:$src3),
1772 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1773 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1776 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1777 (ops GR32:$dst, GR32:$src1, GR32:$src2, i8imm:$src3),
1778 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1779 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1782 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1783 (ops GR16:$dst, GR16:$src1, GR16:$src2, i8imm:$src3),
1784 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1785 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1788 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1789 (ops GR16:$dst, GR16:$src1, GR16:$src2, i8imm:$src3),
1790 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1791 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1796 let isTwoAddress = 0 in {
1797 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1798 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1799 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1802 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1803 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1804 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1807 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1808 (ops i32mem:$dst, GR32:$src2, i8imm:$src3),
1809 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1810 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1811 (i8 imm:$src3)), addr:$dst)]>,
1813 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1814 (ops i32mem:$dst, GR32:$src2, i8imm:$src3),
1815 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1816 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1817 (i8 imm:$src3)), addr:$dst)]>,
1820 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1821 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1822 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1824 Imp<[CL],[]>, TB, OpSize;
1825 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1826 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1827 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1829 Imp<[CL],[]>, TB, OpSize;
1830 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1831 (ops i16mem:$dst, GR16:$src2, i8imm:$src3),
1832 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1833 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1834 (i8 imm:$src3)), addr:$dst)]>,
1836 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1837 (ops i16mem:$dst, GR16:$src2, i8imm:$src3),
1838 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1839 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1840 (i8 imm:$src3)), addr:$dst)]>,
1846 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1847 def ADD8rr : I<0x00, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1848 "add{b} {$src2, $dst|$dst, $src2}",
1849 [(set GR8:$dst, (add GR8:$src1, GR8:$src2))]>;
1850 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1851 def ADD16rr : I<0x01, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1852 "add{w} {$src2, $dst|$dst, $src2}",
1853 [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize;
1854 def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1855 "add{l} {$src2, $dst|$dst, $src2}",
1856 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
1857 } // end isConvertibleToThreeAddress
1858 } // end isCommutable
1859 def ADD8rm : I<0x02, MRMSrcMem, (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1860 "add{b} {$src2, $dst|$dst, $src2}",
1861 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>;
1862 def ADD16rm : I<0x03, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1863 "add{w} {$src2, $dst|$dst, $src2}",
1864 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>, OpSize;
1865 def ADD32rm : I<0x03, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1866 "add{l} {$src2, $dst|$dst, $src2}",
1867 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>;
1869 def ADD8ri : Ii8<0x80, MRM0r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1870 "add{b} {$src2, $dst|$dst, $src2}",
1871 [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>;
1873 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1874 def ADD16ri : Ii16<0x81, MRM0r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1875 "add{w} {$src2, $dst|$dst, $src2}",
1876 [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize;
1877 def ADD32ri : Ii32<0x81, MRM0r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1878 "add{l} {$src2, $dst|$dst, $src2}",
1879 [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
1880 def ADD16ri8 : Ii8<0x83, MRM0r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1881 "add{w} {$src2, $dst|$dst, $src2}",
1882 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>,
1884 def ADD32ri8 : Ii8<0x83, MRM0r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1885 "add{l} {$src2, $dst|$dst, $src2}",
1886 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
1889 let isTwoAddress = 0 in {
1890 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
1891 "add{b} {$src2, $dst|$dst, $src2}",
1892 [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>;
1893 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1894 "add{w} {$src2, $dst|$dst, $src2}",
1895 [(store (add (load addr:$dst), GR16:$src2), addr:$dst)]>,
1897 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1898 "add{l} {$src2, $dst|$dst, $src2}",
1899 [(store (add (load addr:$dst), GR32:$src2), addr:$dst)]>;
1900 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1901 "add{b} {$src2, $dst|$dst, $src2}",
1902 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1903 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1904 "add{w} {$src2, $dst|$dst, $src2}",
1905 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1907 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1908 "add{l} {$src2, $dst|$dst, $src2}",
1909 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1910 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1911 "add{w} {$src2, $dst|$dst, $src2}",
1912 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1914 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1915 "add{l} {$src2, $dst|$dst, $src2}",
1916 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1919 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1920 def ADC32rr : I<0x11, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1921 "adc{l} {$src2, $dst|$dst, $src2}",
1922 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
1924 def ADC32rm : I<0x13, MRMSrcMem , (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1925 "adc{l} {$src2, $dst|$dst, $src2}",
1926 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
1927 def ADC32ri : Ii32<0x81, MRM2r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1928 "adc{l} {$src2, $dst|$dst, $src2}",
1929 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
1930 def ADC32ri8 : Ii8<0x83, MRM2r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1931 "adc{l} {$src2, $dst|$dst, $src2}",
1932 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
1934 let isTwoAddress = 0 in {
1935 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1936 "adc{l} {$src2, $dst|$dst, $src2}",
1937 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
1938 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1939 "adc{l} {$src2, $dst|$dst, $src2}",
1940 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1941 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1942 "adc{l} {$src2, $dst|$dst, $src2}",
1943 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1946 def SUB8rr : I<0x28, MRMDestReg, (ops GR8 :$dst, GR8 :$src1, GR8 :$src2),
1947 "sub{b} {$src2, $dst|$dst, $src2}",
1948 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2))]>;
1949 def SUB16rr : I<0x29, MRMDestReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
1950 "sub{w} {$src2, $dst|$dst, $src2}",
1951 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2))]>, OpSize;
1952 def SUB32rr : I<0x29, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
1953 "sub{l} {$src2, $dst|$dst, $src2}",
1954 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2))]>;
1955 def SUB8rm : I<0x2A, MRMSrcMem, (ops GR8 :$dst, GR8 :$src1, i8mem :$src2),
1956 "sub{b} {$src2, $dst|$dst, $src2}",
1957 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2)))]>;
1958 def SUB16rm : I<0x2B, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
1959 "sub{w} {$src2, $dst|$dst, $src2}",
1960 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2)))]>, OpSize;
1961 def SUB32rm : I<0x2B, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
1962 "sub{l} {$src2, $dst|$dst, $src2}",
1963 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2)))]>;
1965 def SUB8ri : Ii8 <0x80, MRM5r, (ops GR8:$dst, GR8:$src1, i8imm:$src2),
1966 "sub{b} {$src2, $dst|$dst, $src2}",
1967 [(set GR8:$dst, (sub GR8:$src1, imm:$src2))]>;
1968 def SUB16ri : Ii16<0x81, MRM5r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
1969 "sub{w} {$src2, $dst|$dst, $src2}",
1970 [(set GR16:$dst, (sub GR16:$src1, imm:$src2))]>, OpSize;
1971 def SUB32ri : Ii32<0x81, MRM5r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
1972 "sub{l} {$src2, $dst|$dst, $src2}",
1973 [(set GR32:$dst, (sub GR32:$src1, imm:$src2))]>;
1974 def SUB16ri8 : Ii8<0x83, MRM5r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
1975 "sub{w} {$src2, $dst|$dst, $src2}",
1976 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2))]>,
1978 def SUB32ri8 : Ii8<0x83, MRM5r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
1979 "sub{l} {$src2, $dst|$dst, $src2}",
1980 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2))]>;
1981 let isTwoAddress = 0 in {
1982 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
1983 "sub{b} {$src2, $dst|$dst, $src2}",
1984 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst)]>;
1985 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, GR16:$src2),
1986 "sub{w} {$src2, $dst|$dst, $src2}",
1987 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst)]>,
1989 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
1990 "sub{l} {$src2, $dst|$dst, $src2}",
1991 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst)]>;
1992 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1993 "sub{b} {$src2, $dst|$dst, $src2}",
1994 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1995 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1996 "sub{w} {$src2, $dst|$dst, $src2}",
1997 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1999 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
2000 "sub{l} {$src2, $dst|$dst, $src2}",
2001 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2002 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
2003 "sub{w} {$src2, $dst|$dst, $src2}",
2004 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2006 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
2007 "sub{l} {$src2, $dst|$dst, $src2}",
2008 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2011 def SBB32rr : I<0x19, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
2012 "sbb{l} {$src2, $dst|$dst, $src2}",
2013 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2015 let isTwoAddress = 0 in {
2016 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, GR32:$src2),
2017 "sbb{l} {$src2, $dst|$dst, $src2}",
2018 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2019 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
2020 "sbb{b} {$src2, $dst|$dst, $src2}",
2021 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2022 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
2023 "sbb{l} {$src2, $dst|$dst, $src2}",
2024 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2025 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
2026 "sbb{l} {$src2, $dst|$dst, $src2}",
2027 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2029 def SBB32rm : I<0x1B, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
2030 "sbb{l} {$src2, $dst|$dst, $src2}",
2031 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2032 def SBB32ri : Ii32<0x81, MRM3r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
2033 "sbb{l} {$src2, $dst|$dst, $src2}",
2034 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2035 def SBB32ri8 : Ii8<0x83, MRM3r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
2036 "sbb{l} {$src2, $dst|$dst, $src2}",
2037 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2039 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2040 def IMUL16rr : I<0xAF, MRMSrcReg, (ops GR16:$dst, GR16:$src1, GR16:$src2),
2041 "imul{w} {$src2, $dst|$dst, $src2}",
2042 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2))]>, TB, OpSize;
2043 def IMUL32rr : I<0xAF, MRMSrcReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
2044 "imul{l} {$src2, $dst|$dst, $src2}",
2045 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2))]>, TB;
2047 def IMUL16rm : I<0xAF, MRMSrcMem, (ops GR16:$dst, GR16:$src1, i16mem:$src2),
2048 "imul{w} {$src2, $dst|$dst, $src2}",
2049 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2)))]>,
2051 def IMUL32rm : I<0xAF, MRMSrcMem, (ops GR32:$dst, GR32:$src1, i32mem:$src2),
2052 "imul{l} {$src2, $dst|$dst, $src2}",
2053 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2)))]>, TB;
2055 } // end Two Address instructions
2057 // Suprisingly enough, these are not two address instructions!
2058 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2059 (ops GR16:$dst, GR16:$src1, i16imm:$src2),
2060 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2061 [(set GR16:$dst, (mul GR16:$src1, imm:$src2))]>, OpSize;
2062 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2063 (ops GR32:$dst, GR32:$src1, i32imm:$src2),
2064 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2065 [(set GR32:$dst, (mul GR32:$src1, imm:$src2))]>;
2066 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2067 (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
2068 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2069 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2))]>,
2071 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2072 (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
2073 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2074 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2))]>;
2076 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2077 (ops GR16:$dst, i16mem:$src1, i16imm:$src2),
2078 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2079 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2081 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2082 (ops GR32:$dst, i32mem:$src1, i32imm:$src2),
2083 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2084 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2085 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2086 (ops GR16:$dst, i16mem:$src1, i16i8imm :$src2),
2087 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2088 [(set GR16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2090 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2091 (ops GR32:$dst, i32mem:$src1, i32i8imm: $src2),
2092 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2093 [(set GR32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2095 //===----------------------------------------------------------------------===//
2096 // Test instructions are just like AND, except they don't generate a result.
2098 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2099 def TEST8rr : I<0x84, MRMDestReg, (ops GR8:$src1, GR8:$src2),
2100 "test{b} {$src2, $src1|$src1, $src2}",
2101 [(X86cmp (and GR8:$src1, GR8:$src2), 0)]>;
2102 def TEST16rr : I<0x85, MRMDestReg, (ops GR16:$src1, GR16:$src2),
2103 "test{w} {$src2, $src1|$src1, $src2}",
2104 [(X86cmp (and GR16:$src1, GR16:$src2), 0)]>, OpSize;
2105 def TEST32rr : I<0x85, MRMDestReg, (ops GR32:$src1, GR32:$src2),
2106 "test{l} {$src2, $src1|$src1, $src2}",
2107 [(X86cmp (and GR32:$src1, GR32:$src2), 0)]>;
2110 def TEST8rm : I<0x84, MRMSrcMem, (ops GR8 :$src1, i8mem :$src2),
2111 "test{b} {$src2, $src1|$src1, $src2}",
2112 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0)]>;
2113 def TEST16rm : I<0x85, MRMSrcMem, (ops GR16:$src1, i16mem:$src2),
2114 "test{w} {$src2, $src1|$src1, $src2}",
2115 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0)]>,
2117 def TEST32rm : I<0x85, MRMSrcMem, (ops GR32:$src1, i32mem:$src2),
2118 "test{l} {$src2, $src1|$src1, $src2}",
2119 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0)]>;
2121 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2122 (ops GR8:$src1, i8imm:$src2),
2123 "test{b} {$src2, $src1|$src1, $src2}",
2124 [(X86cmp (and GR8:$src1, imm:$src2), 0)]>;
2125 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2126 (ops GR16:$src1, i16imm:$src2),
2127 "test{w} {$src2, $src1|$src1, $src2}",
2128 [(X86cmp (and GR16:$src1, imm:$src2), 0)]>, OpSize;
2129 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2130 (ops GR32:$src1, i32imm:$src2),
2131 "test{l} {$src2, $src1|$src1, $src2}",
2132 [(X86cmp (and GR32:$src1, imm:$src2), 0)]>;
2134 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2135 (ops i8mem:$src1, i8imm:$src2),
2136 "test{b} {$src2, $src1|$src1, $src2}",
2137 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0)]>;
2138 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2139 (ops i16mem:$src1, i16imm:$src2),
2140 "test{w} {$src2, $src1|$src1, $src2}",
2141 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0)]>,
2143 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2144 (ops i32mem:$src1, i32imm:$src2),
2145 "test{l} {$src2, $src1|$src1, $src2}",
2146 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0)]>;
2149 // Condition code ops, incl. set if equal/not equal/...
2150 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2151 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2153 def SETEr : I<0x94, MRM0r,
2156 [(set GR8:$dst, (X86setcc X86_COND_E))]>,
2158 def SETEm : I<0x94, MRM0m,
2161 [(store (X86setcc X86_COND_E), addr:$dst)]>,
2163 def SETNEr : I<0x95, MRM0r,
2166 [(set GR8:$dst, (X86setcc X86_COND_NE))]>,
2168 def SETNEm : I<0x95, MRM0m,
2171 [(store (X86setcc X86_COND_NE), addr:$dst)]>,
2173 def SETLr : I<0x9C, MRM0r,
2176 [(set GR8:$dst, (X86setcc X86_COND_L))]>,
2177 TB; // GR8 = < signed
2178 def SETLm : I<0x9C, MRM0m,
2181 [(store (X86setcc X86_COND_L), addr:$dst)]>,
2182 TB; // [mem8] = < signed
2183 def SETGEr : I<0x9D, MRM0r,
2186 [(set GR8:$dst, (X86setcc X86_COND_GE))]>,
2187 TB; // GR8 = >= signed
2188 def SETGEm : I<0x9D, MRM0m,
2191 [(store (X86setcc X86_COND_GE), addr:$dst)]>,
2192 TB; // [mem8] = >= signed
2193 def SETLEr : I<0x9E, MRM0r,
2196 [(set GR8:$dst, (X86setcc X86_COND_LE))]>,
2197 TB; // GR8 = <= signed
2198 def SETLEm : I<0x9E, MRM0m,
2201 [(store (X86setcc X86_COND_LE), addr:$dst)]>,
2202 TB; // [mem8] = <= signed
2203 def SETGr : I<0x9F, MRM0r,
2206 [(set GR8:$dst, (X86setcc X86_COND_G))]>,
2207 TB; // GR8 = > signed
2208 def SETGm : I<0x9F, MRM0m,
2211 [(store (X86setcc X86_COND_G), addr:$dst)]>,
2212 TB; // [mem8] = > signed
2214 def SETBr : I<0x92, MRM0r,
2217 [(set GR8:$dst, (X86setcc X86_COND_B))]>,
2218 TB; // GR8 = < unsign
2219 def SETBm : I<0x92, MRM0m,
2222 [(store (X86setcc X86_COND_B), addr:$dst)]>,
2223 TB; // [mem8] = < unsign
2224 def SETAEr : I<0x93, MRM0r,
2227 [(set GR8:$dst, (X86setcc X86_COND_AE))]>,
2228 TB; // GR8 = >= unsign
2229 def SETAEm : I<0x93, MRM0m,
2232 [(store (X86setcc X86_COND_AE), addr:$dst)]>,
2233 TB; // [mem8] = >= unsign
2234 def SETBEr : I<0x96, MRM0r,
2237 [(set GR8:$dst, (X86setcc X86_COND_BE))]>,
2238 TB; // GR8 = <= unsign
2239 def SETBEm : I<0x96, MRM0m,
2242 [(store (X86setcc X86_COND_BE), addr:$dst)]>,
2243 TB; // [mem8] = <= unsign
2244 def SETAr : I<0x97, MRM0r,
2247 [(set GR8:$dst, (X86setcc X86_COND_A))]>,
2248 TB; // GR8 = > signed
2249 def SETAm : I<0x97, MRM0m,
2252 [(store (X86setcc X86_COND_A), addr:$dst)]>,
2253 TB; // [mem8] = > signed
2255 def SETSr : I<0x98, MRM0r,
2258 [(set GR8:$dst, (X86setcc X86_COND_S))]>,
2259 TB; // GR8 = <sign bit>
2260 def SETSm : I<0x98, MRM0m,
2263 [(store (X86setcc X86_COND_S), addr:$dst)]>,
2264 TB; // [mem8] = <sign bit>
2265 def SETNSr : I<0x99, MRM0r,
2268 [(set GR8:$dst, (X86setcc X86_COND_NS))]>,
2269 TB; // GR8 = !<sign bit>
2270 def SETNSm : I<0x99, MRM0m,
2273 [(store (X86setcc X86_COND_NS), addr:$dst)]>,
2274 TB; // [mem8] = !<sign bit>
2275 def SETPr : I<0x9A, MRM0r,
2278 [(set GR8:$dst, (X86setcc X86_COND_P))]>,
2280 def SETPm : I<0x9A, MRM0m,
2283 [(store (X86setcc X86_COND_P), addr:$dst)]>,
2284 TB; // [mem8] = parity
2285 def SETNPr : I<0x9B, MRM0r,
2288 [(set GR8:$dst, (X86setcc X86_COND_NP))]>,
2289 TB; // GR8 = not parity
2290 def SETNPm : I<0x9B, MRM0m,
2293 [(store (X86setcc X86_COND_NP), addr:$dst)]>,
2294 TB; // [mem8] = not parity
2296 // Integer comparisons
2297 def CMP8rr : I<0x38, MRMDestReg,
2298 (ops GR8 :$src1, GR8 :$src2),
2299 "cmp{b} {$src2, $src1|$src1, $src2}",
2300 [(X86cmp GR8:$src1, GR8:$src2)]>;
2301 def CMP16rr : I<0x39, MRMDestReg,
2302 (ops GR16:$src1, GR16:$src2),
2303 "cmp{w} {$src2, $src1|$src1, $src2}",
2304 [(X86cmp GR16:$src1, GR16:$src2)]>, OpSize;
2305 def CMP32rr : I<0x39, MRMDestReg,
2306 (ops GR32:$src1, GR32:$src2),
2307 "cmp{l} {$src2, $src1|$src1, $src2}",
2308 [(X86cmp GR32:$src1, GR32:$src2)]>;
2309 def CMP8mr : I<0x38, MRMDestMem,
2310 (ops i8mem :$src1, GR8 :$src2),
2311 "cmp{b} {$src2, $src1|$src1, $src2}",
2312 [(X86cmp (loadi8 addr:$src1), GR8:$src2)]>;
2313 def CMP16mr : I<0x39, MRMDestMem,
2314 (ops i16mem:$src1, GR16:$src2),
2315 "cmp{w} {$src2, $src1|$src1, $src2}",
2316 [(X86cmp (loadi16 addr:$src1), GR16:$src2)]>, OpSize;
2317 def CMP32mr : I<0x39, MRMDestMem,
2318 (ops i32mem:$src1, GR32:$src2),
2319 "cmp{l} {$src2, $src1|$src1, $src2}",
2320 [(X86cmp (loadi32 addr:$src1), GR32:$src2)]>;
2321 def CMP8rm : I<0x3A, MRMSrcMem,
2322 (ops GR8 :$src1, i8mem :$src2),
2323 "cmp{b} {$src2, $src1|$src1, $src2}",
2324 [(X86cmp GR8:$src1, (loadi8 addr:$src2))]>;
2325 def CMP16rm : I<0x3B, MRMSrcMem,
2326 (ops GR16:$src1, i16mem:$src2),
2327 "cmp{w} {$src2, $src1|$src1, $src2}",
2328 [(X86cmp GR16:$src1, (loadi16 addr:$src2))]>, OpSize;
2329 def CMP32rm : I<0x3B, MRMSrcMem,
2330 (ops GR32:$src1, i32mem:$src2),
2331 "cmp{l} {$src2, $src1|$src1, $src2}",
2332 [(X86cmp GR32:$src1, (loadi32 addr:$src2))]>;
2333 def CMP8ri : Ii8<0x80, MRM7r,
2334 (ops GR8:$src1, i8imm:$src2),
2335 "cmp{b} {$src2, $src1|$src1, $src2}",
2336 [(X86cmp GR8:$src1, imm:$src2)]>;
2337 def CMP16ri : Ii16<0x81, MRM7r,
2338 (ops GR16:$src1, i16imm:$src2),
2339 "cmp{w} {$src2, $src1|$src1, $src2}",
2340 [(X86cmp GR16:$src1, imm:$src2)]>, OpSize;
2341 def CMP32ri : Ii32<0x81, MRM7r,
2342 (ops GR32:$src1, i32imm:$src2),
2343 "cmp{l} {$src2, $src1|$src1, $src2}",
2344 [(X86cmp GR32:$src1, imm:$src2)]>;
2345 def CMP8mi : Ii8 <0x80, MRM7m,
2346 (ops i8mem :$src1, i8imm :$src2),
2347 "cmp{b} {$src2, $src1|$src1, $src2}",
2348 [(X86cmp (loadi8 addr:$src1), imm:$src2)]>;
2349 def CMP16mi : Ii16<0x81, MRM7m,
2350 (ops i16mem:$src1, i16imm:$src2),
2351 "cmp{w} {$src2, $src1|$src1, $src2}",
2352 [(X86cmp (loadi16 addr:$src1), imm:$src2)]>, OpSize;
2353 def CMP32mi : Ii32<0x81, MRM7m,
2354 (ops i32mem:$src1, i32imm:$src2),
2355 "cmp{l} {$src2, $src1|$src1, $src2}",
2356 [(X86cmp (loadi32 addr:$src1), imm:$src2)]>;
2357 def CMP16ri8 : Ii8<0x83, MRM7r,
2358 (ops GR16:$src1, i16i8imm:$src2),
2359 "cmp{w} {$src2, $src1|$src1, $src2}",
2360 [(X86cmp GR16:$src1, i16immSExt8:$src2)]>, OpSize;
2361 def CMP16mi8 : Ii8<0x83, MRM7m,
2362 (ops i16mem:$src1, i16i8imm:$src2),
2363 "cmp{w} {$src2, $src1|$src1, $src2}",
2364 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2)]>, OpSize;
2365 def CMP32mi8 : Ii8<0x83, MRM7m,
2366 (ops i32mem:$src1, i32i8imm:$src2),
2367 "cmp{l} {$src2, $src1|$src1, $src2}",
2368 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2)]>;
2369 def CMP32ri8 : Ii8<0x83, MRM7r,
2370 (ops GR32:$src1, i32i8imm:$src2),
2371 "cmp{l} {$src2, $src1|$src1, $src2}",
2372 [(X86cmp GR32:$src1, i32immSExt8:$src2)]>;
2374 // Sign/Zero extenders
2375 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops GR16:$dst, GR8 :$src),
2376 "movs{bw|x} {$src, $dst|$dst, $src}",
2377 [(set GR16:$dst, (sext GR8:$src))]>, TB, OpSize;
2378 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops GR16:$dst, i8mem :$src),
2379 "movs{bw|x} {$src, $dst|$dst, $src}",
2380 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2381 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops GR32:$dst, GR8 :$src),
2382 "movs{bl|x} {$src, $dst|$dst, $src}",
2383 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2384 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops GR32:$dst, i8mem :$src),
2385 "movs{bl|x} {$src, $dst|$dst, $src}",
2386 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2387 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops GR32:$dst, GR16:$src),
2388 "movs{wl|x} {$src, $dst|$dst, $src}",
2389 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2390 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops GR32:$dst, i16mem:$src),
2391 "movs{wl|x} {$src, $dst|$dst, $src}",
2392 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2394 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops GR16:$dst, GR8 :$src),
2395 "movz{bw|x} {$src, $dst|$dst, $src}",
2396 [(set GR16:$dst, (zext GR8:$src))]>, TB, OpSize;
2397 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops GR16:$dst, i8mem :$src),
2398 "movz{bw|x} {$src, $dst|$dst, $src}",
2399 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2400 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops GR32:$dst, GR8 :$src),
2401 "movz{bl|x} {$src, $dst|$dst, $src}",
2402 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2403 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops GR32:$dst, i8mem :$src),
2404 "movz{bl|x} {$src, $dst|$dst, $src}",
2405 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2406 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops GR32:$dst, GR16:$src),
2407 "movz{wl|x} {$src, $dst|$dst, $src}",
2408 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2409 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops GR32:$dst, i16mem:$src),
2410 "movz{wl|x} {$src, $dst|$dst, $src}",
2411 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2413 def CBW : I<0x98, RawFrm, (ops),
2414 "{cbtw|cbw}", []>, Imp<[AL],[AX]>, OpSize; // AX = signext(AL)
2415 def CWDE : I<0x98, RawFrm, (ops),
2416 "{cwtl|cwde}", []>, Imp<[AX],[EAX]>; // EAX = signext(AX)
2418 def CWD : I<0x99, RawFrm, (ops),
2419 "{cwtd|cwd}", []>, Imp<[AX],[AX,DX]>, OpSize; // DX:AX = signext(AX)
2420 def CDQ : I<0x99, RawFrm, (ops),
2421 "{cltd|cdq}", []>, Imp<[EAX],[EAX,EDX]>; // EDX:EAX = signext(EAX)
2424 //===----------------------------------------------------------------------===//
2425 // Alias Instructions
2426 //===----------------------------------------------------------------------===//
2428 // Alias instructions that map movr0 to xor.
2429 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2430 def MOV8r0 : I<0x30, MRMInitReg, (ops GR8 :$dst),
2431 "xor{b} $dst, $dst",
2432 [(set GR8:$dst, 0)]>;
2433 def MOV16r0 : I<0x31, MRMInitReg, (ops GR16:$dst),
2434 "xor{w} $dst, $dst",
2435 [(set GR16:$dst, 0)]>, OpSize;
2436 def MOV32r0 : I<0x31, MRMInitReg, (ops GR32:$dst),
2437 "xor{l} $dst, $dst",
2438 [(set GR32:$dst, 0)]>;
2440 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2441 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2442 def MOV16to16_ : I<0x89, MRMDestReg, (ops GR16_:$dst, GR16:$src),
2443 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2444 def MOV32to32_ : I<0x89, MRMDestReg, (ops GR32_:$dst, GR32:$src),
2445 "mov{l} {$src, $dst|$dst, $src}", []>;
2447 def MOV16_rr : I<0x89, MRMDestReg, (ops GR16_:$dst, GR16_:$src),
2448 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2449 def MOV32_rr : I<0x89, MRMDestReg, (ops GR32_:$dst, GR32_:$src),
2450 "mov{l} {$src, $dst|$dst, $src}", []>;
2451 def MOV16_rm : I<0x8B, MRMSrcMem, (ops GR16_:$dst, i16mem:$src),
2452 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2453 def MOV32_rm : I<0x8B, MRMSrcMem, (ops GR32_:$dst, i32mem:$src),
2454 "mov{l} {$src, $dst|$dst, $src}", []>;
2455 def MOV16_mr : I<0x89, MRMDestMem, (ops i16mem:$dst, GR16_:$src),
2456 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
2457 def MOV32_mr : I<0x89, MRMDestMem, (ops i32mem:$dst, GR32_:$src),
2458 "mov{l} {$src, $dst|$dst, $src}", []>;
2460 //===----------------------------------------------------------------------===//
2461 // Thread Local Storage Instructions
2464 def TLS_addr : I<0, Pseudo, (ops GR32:$dst, i32imm:$sym),
2465 "leal ${sym:mem}(,%ebx,1), $dst",
2466 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>,
2469 let AddedComplexity = 10 in
2470 def TLS_gs : I<0, Pseudo, (ops GR32:$dst, GR32:$src),
2471 "movl %gs:($src), $dst",
2472 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2474 def TLS_tp : I<0, Pseudo, (ops GR32:$dst),
2476 [(set GR32:$dst, X86TLStp)]>;
2478 //===----------------------------------------------------------------------===//
2479 // DWARF Pseudo Instructions
2482 def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
2483 "; .loc $file, $line, $col",
2484 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2487 //===----------------------------------------------------------------------===//
2488 // Non-Instruction Patterns
2489 //===----------------------------------------------------------------------===//
2491 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2492 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2493 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2494 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2495 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2497 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2498 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2499 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2500 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2501 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2502 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2503 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2504 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2506 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2507 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2508 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2509 (MOV32mi addr:$dst, texternalsym:$src)>;
2512 def : Pat<(X86tailcall GR32:$dst),
2513 (CALL32r GR32:$dst)>;
2515 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2516 (CALLpcrel32 tglobaladdr:$dst)>;
2517 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2518 (CALLpcrel32 texternalsym:$dst)>;
2520 def : Pat<(X86call (i32 tglobaladdr:$dst)),
2521 (CALLpcrel32 tglobaladdr:$dst)>;
2522 def : Pat<(X86call (i32 texternalsym:$dst)),
2523 (CALLpcrel32 texternalsym:$dst)>;
2525 // X86 specific add which produces a flag.
2526 def : Pat<(addc GR32:$src1, GR32:$src2),
2527 (ADD32rr GR32:$src1, GR32:$src2)>;
2528 def : Pat<(addc GR32:$src1, (load addr:$src2)),
2529 (ADD32rm GR32:$src1, addr:$src2)>;
2530 def : Pat<(addc GR32:$src1, imm:$src2),
2531 (ADD32ri GR32:$src1, imm:$src2)>;
2532 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
2533 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
2535 def : Pat<(subc GR32:$src1, GR32:$src2),
2536 (SUB32rr GR32:$src1, GR32:$src2)>;
2537 def : Pat<(subc GR32:$src1, (load addr:$src2)),
2538 (SUB32rm GR32:$src1, addr:$src2)>;
2539 def : Pat<(subc GR32:$src1, imm:$src2),
2540 (SUB32ri GR32:$src1, imm:$src2)>;
2541 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
2542 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
2544 def : Pat<(truncstorei1 (i8 imm:$src), addr:$dst),
2545 (MOV8mi addr:$dst, imm:$src)>;
2546 def : Pat<(truncstorei1 GR8:$src, addr:$dst),
2547 (MOV8mr addr:$dst, GR8:$src)>;
2551 // TEST R,R is smaller than CMP R,0
2552 def : Pat<(X86cmp GR8:$src1, 0),
2553 (TEST8rr GR8:$src1, GR8:$src1)>;
2554 def : Pat<(X86cmp GR16:$src1, 0),
2555 (TEST16rr GR16:$src1, GR16:$src1)>;
2556 def : Pat<(X86cmp GR32:$src1, 0),
2557 (TEST32rr GR32:$src1, GR32:$src1)>;
2559 // {s|z}extload bool -> {s|z}extload byte
2560 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2561 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2562 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2563 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2564 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2566 // extload bool -> extload byte
2567 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2568 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2569 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2570 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
2571 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2572 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2575 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
2576 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
2577 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
2578 def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
2579 def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
2580 def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
2582 //===----------------------------------------------------------------------===//
2584 //===----------------------------------------------------------------------===//
2586 // (shl x, 1) ==> (add x, x)
2587 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
2588 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
2589 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
2591 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2592 def : Pat<(or (srl GR32:$src1, CL:$amt),
2593 (shl GR32:$src2, (sub 32, CL:$amt))),
2594 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
2596 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2597 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2598 (SHRD32mrCL addr:$dst, GR32:$src2)>;
2600 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2601 def : Pat<(or (shl GR32:$src1, CL:$amt),
2602 (srl GR32:$src2, (sub 32, CL:$amt))),
2603 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
2605 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2606 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2607 (SHLD32mrCL addr:$dst, GR32:$src2)>;
2609 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2610 def : Pat<(or (srl GR16:$src1, CL:$amt),
2611 (shl GR16:$src2, (sub 16, CL:$amt))),
2612 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
2614 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2615 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2616 (SHRD16mrCL addr:$dst, GR16:$src2)>;
2618 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2619 def : Pat<(or (shl GR16:$src1, CL:$amt),
2620 (srl GR16:$src2, (sub 16, CL:$amt))),
2621 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
2623 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2624 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2625 (SHLD16mrCL addr:$dst, GR16:$src2)>;
2628 //===----------------------------------------------------------------------===//
2629 // Floating Point Stack Support
2630 //===----------------------------------------------------------------------===//
2632 include "X86InstrFPStack.td"
2634 //===----------------------------------------------------------------------===//
2635 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2636 //===----------------------------------------------------------------------===//
2638 include "X86InstrMMX.td"
2640 //===----------------------------------------------------------------------===//
2641 // XMM Floating point support (requires SSE / SSE2)
2642 //===----------------------------------------------------------------------===//
2644 include "X86InstrSSE.td"
2646 //===----------------------------------------------------------------------===//
2648 //===----------------------------------------------------------------------===//
2650 include "X86InstrX86-64.td"