1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // 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, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 def SDTX86BrCond : SDTypeProfile<0, 3,
31 [SDTCisVT<0, OtherVT>,
32 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
34 def SDTX86SetCC : SDTypeProfile<1, 2,
36 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
38 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
40 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
42 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
44 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
45 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
48 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
50 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
52 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
54 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
56 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
58 def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
60 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
62 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
64 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
65 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
66 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
67 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
69 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
71 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
72 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
74 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
76 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
77 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
79 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
80 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
83 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
84 [SDNPHasChain, SDNPOptInFlag]>;
86 def X86callseq_start :
87 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
88 [SDNPHasChain, SDNPOutFlag]>;
90 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
91 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
93 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
94 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
96 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
97 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
99 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
100 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
101 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
102 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
105 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
106 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
108 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
109 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
111 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
112 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
113 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
115 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
118 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
119 [SDNPHasChain, SDNPOptInFlag]>;
121 //===----------------------------------------------------------------------===//
122 // X86 Operand Definitions.
125 // *mem - Operand definitions for the funky X86 addressing mode operands.
127 class X86MemOperand<string printMethod> : Operand<iPTR> {
128 let PrintMethod = printMethod;
129 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
132 def i8mem : X86MemOperand<"printi8mem">;
133 def i16mem : X86MemOperand<"printi16mem">;
134 def i32mem : X86MemOperand<"printi32mem">;
135 def i64mem : X86MemOperand<"printi64mem">;
136 def i128mem : X86MemOperand<"printi128mem">;
137 def f32mem : X86MemOperand<"printf32mem">;
138 def f64mem : X86MemOperand<"printf64mem">;
139 def f80mem : X86MemOperand<"printf80mem">;
140 def f128mem : X86MemOperand<"printf128mem">;
142 def lea32mem : Operand<i32> {
143 let PrintMethod = "printi32mem";
144 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
147 def SSECC : Operand<i8> {
148 let PrintMethod = "printSSECC";
151 def piclabel: Operand<i32> {
152 let PrintMethod = "printPICLabel";
155 // A couple of more descriptive operand definitions.
156 // 16-bits but only 8 bits are significant.
157 def i16i8imm : Operand<i16>;
158 // 32-bits but only 8 bits are significant.
159 def i32i8imm : Operand<i32>;
161 // Branch targets have OtherVT type.
162 def brtarget : Operand<OtherVT>;
164 //===----------------------------------------------------------------------===//
165 // X86 Complex Pattern Definitions.
168 // Define X86 specific addressing mode.
169 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
170 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
171 [add, mul, shl, or, frameindex], []>;
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 HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
181 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
182 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
183 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
184 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
185 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
186 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
187 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
188 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
190 //===----------------------------------------------------------------------===//
191 // X86 Instruction Format Definitions.
194 include "X86InstrFormats.td"
196 //===----------------------------------------------------------------------===//
197 // Pattern fragments...
200 // X86 specific condition code. These correspond to CondCode in
201 // X86InstrInfo.h. They must be kept in synch.
202 def X86_COND_A : PatLeaf<(i8 0)>;
203 def X86_COND_AE : PatLeaf<(i8 1)>;
204 def X86_COND_B : PatLeaf<(i8 2)>;
205 def X86_COND_BE : PatLeaf<(i8 3)>;
206 def X86_COND_E : PatLeaf<(i8 4)>;
207 def X86_COND_G : PatLeaf<(i8 5)>;
208 def X86_COND_GE : PatLeaf<(i8 6)>;
209 def X86_COND_L : PatLeaf<(i8 7)>;
210 def X86_COND_LE : PatLeaf<(i8 8)>;
211 def X86_COND_NE : PatLeaf<(i8 9)>;
212 def X86_COND_NO : PatLeaf<(i8 10)>;
213 def X86_COND_NP : PatLeaf<(i8 11)>;
214 def X86_COND_NS : PatLeaf<(i8 12)>;
215 def X86_COND_O : PatLeaf<(i8 13)>;
216 def X86_COND_P : PatLeaf<(i8 14)>;
217 def X86_COND_S : PatLeaf<(i8 15)>;
219 def i16immSExt8 : PatLeaf<(i16 imm), [{
220 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
221 // sign extended field.
222 return (int16_t)N->getValue() == (int8_t)N->getValue();
225 def i32immSExt8 : PatLeaf<(i32 imm), [{
226 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
227 // sign extended field.
228 return (int32_t)N->getValue() == (int8_t)N->getValue();
231 // Helper fragments for loads.
232 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
233 // known to be 32-bit aligned or better. Ditto for i8 to i16.
234 def loadi16 : PatFrag<(ops node:$ptr), (i16 (ld node:$ptr)), [{
235 LoadSDNode *LD = cast<LoadSDNode>(N);
236 if (LD->getAddressingMode() != ISD::UNINDEXED)
238 ISD::LoadExtType ExtType = LD->getExtensionType();
239 if (ExtType == ISD::NON_EXTLOAD)
241 if (ExtType == ISD::EXTLOAD)
242 return LD->getAlignment() >= 2 && !LD->isVolatile();
246 def loadi32 : PatFrag<(ops node:$ptr), (i32 (ld node:$ptr)), [{
247 LoadSDNode *LD = cast<LoadSDNode>(N);
248 if (LD->getAddressingMode() != ISD::UNINDEXED)
250 ISD::LoadExtType ExtType = LD->getExtensionType();
251 if (ExtType == ISD::NON_EXTLOAD)
253 if (ExtType == ISD::EXTLOAD)
254 return LD->getAlignment() >= 4 && !LD->isVolatile();
258 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
259 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
261 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
262 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
263 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
265 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
266 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
267 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
269 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
270 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
271 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
272 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
273 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
274 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
276 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
277 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
278 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
279 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
280 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
281 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
284 // An 'and' node with a single use.
285 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
286 return N->hasOneUse();
289 //===----------------------------------------------------------------------===//
290 // Instruction list...
293 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
294 // a stack adjustment and the codegen must know that they may modify the stack
295 // pointer before prolog-epilog rewriting occurs.
296 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
297 // sub / add which can clobber EFLAGS.
298 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
299 def ADJCALLSTACKDOWN : I<0, Pseudo, (outs), (ins i32imm:$amt),
301 [(X86callseq_start imm:$amt)]>;
302 def ADJCALLSTACKUP : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
304 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
308 let neverHasSideEffects = 1 in
309 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
312 let neverHasSideEffects = 1, isNotDuplicable = 1 in
313 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
314 "call\t$label\n\tpop{l}\t$reg", []>;
316 //===----------------------------------------------------------------------===//
317 // Control Flow Instructions...
320 // Return instructions.
321 let isTerminator = 1, isReturn = 1, isBarrier = 1,
322 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
323 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
326 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
328 [(X86retflag imm:$amt)]>;
331 // All branches are RawFrm, Void, Branch, and Terminators
332 let isBranch = 1, isTerminator = 1 in
333 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
334 I<opcode, RawFrm, (outs), ins, asm, pattern>;
336 let isBranch = 1, isBarrier = 1 in
337 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
340 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
341 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
342 [(brind GR32:$dst)]>;
343 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
344 [(brind (loadi32 addr:$dst))]>;
347 // Conditional branches
348 let Uses = [EFLAGS] in {
349 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
350 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
351 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
352 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
353 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
354 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
355 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
356 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
357 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
358 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
359 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
360 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
362 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
363 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
364 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
365 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
366 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
367 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
368 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
369 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
371 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
372 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
373 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
374 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
375 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
376 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
377 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
378 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
379 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
380 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
381 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
382 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
385 //===----------------------------------------------------------------------===//
386 // Call Instructions...
389 // All calls clobber the non-callee saved registers...
390 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
391 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
392 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, EFLAGS] in {
393 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
394 "call\t${dst:call}", []>;
395 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
396 "call\t{*}$dst", [(X86call GR32:$dst)]>;
397 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
398 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
403 def TAILCALL : I<0, Pseudo, (outs), (ins),
407 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
408 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
409 "#TC_RETURN $dst $offset",
412 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
413 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
414 "#TC_RETURN $dst $offset",
417 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
419 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
421 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
422 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
424 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
425 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
426 "jmp\t{*}$dst # TAILCALL", []>;
428 //===----------------------------------------------------------------------===//
429 // Miscellaneous Instructions...
431 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
432 def LEAVE : I<0xC9, RawFrm,
433 (outs), (ins), "leave", []>;
435 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
437 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
440 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
443 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
444 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
445 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
446 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
448 let isTwoAddress = 1 in // GR32 = bswap GR32
449 def BSWAP32r : I<0xC8, AddRegFrm,
450 (outs GR32:$dst), (ins GR32:$src),
452 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
455 // Bit scan instructions.
456 let Defs = [EFLAGS] in {
457 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
458 "bsf{w}\t{$src, $dst|$dst, $src}",
459 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
460 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
461 "bsf{w}\t{$src, $dst|$dst, $src}",
462 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
463 (implicit EFLAGS)]>, TB;
464 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
465 "bsf{l}\t{$src, $dst|$dst, $src}",
466 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
467 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
468 "bsf{l}\t{$src, $dst|$dst, $src}",
469 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
470 (implicit EFLAGS)]>, TB;
472 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
473 "bsr{w}\t{$src, $dst|$dst, $src}",
474 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
475 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
476 "bsr{w}\t{$src, $dst|$dst, $src}",
477 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
478 (implicit EFLAGS)]>, TB;
479 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
480 "bsr{l}\t{$src, $dst|$dst, $src}",
481 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
482 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
483 "bsr{l}\t{$src, $dst|$dst, $src}",
484 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
485 (implicit EFLAGS)]>, TB;
488 let neverHasSideEffects = 1 in
489 def LEA16r : I<0x8D, MRMSrcMem,
490 (outs GR16:$dst), (ins i32mem:$src),
491 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
492 let isReMaterializable = 1 in
493 def LEA32r : I<0x8D, MRMSrcMem,
494 (outs GR32:$dst), (ins lea32mem:$src),
495 "lea{l}\t{$src|$dst}, {$dst|$src}",
496 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
498 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
499 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
500 [(X86rep_movs i8)]>, REP;
501 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
502 [(X86rep_movs i16)]>, REP, OpSize;
503 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
504 [(X86rep_movs i32)]>, REP;
507 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
508 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
509 [(X86rep_stos i8)]>, REP;
510 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
511 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
512 [(X86rep_stos i16)]>, REP, OpSize;
513 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
514 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
515 [(X86rep_stos i32)]>, REP;
517 let Defs = [RAX, RDX] in
518 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
521 let isBarrier = 1, hasCtrlDep = 1 in {
522 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
525 //===----------------------------------------------------------------------===//
526 // Input/Output Instructions...
528 let Defs = [AL], Uses = [DX] in
529 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
530 "in{b}\t{%dx, %al|%AL, %DX}", []>;
531 let Defs = [AX], Uses = [DX] in
532 def IN16rr : I<0xED, RawFrm, (outs), (ins),
533 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
534 let Defs = [EAX], Uses = [DX] in
535 def IN32rr : I<0xED, RawFrm, (outs), (ins),
536 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
539 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
540 "in{b}\t{$port, %al|%AL, $port}", []>;
542 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
543 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
545 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
546 "in{l}\t{$port, %eax|%EAX, $port}", []>;
548 let Uses = [DX, AL] in
549 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
550 "out{b}\t{%al, %dx|%DX, %AL}", []>;
551 let Uses = [DX, AX] in
552 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
553 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
554 let Uses = [DX, EAX] in
555 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
556 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
559 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
560 "out{b}\t{%al, $port|$port, %AL}", []>;
562 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
563 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
565 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
566 "out{l}\t{%eax, $port|$port, %EAX}", []>;
568 //===----------------------------------------------------------------------===//
569 // Move Instructions...
571 let neverHasSideEffects = 1 in {
572 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
573 "mov{b}\t{$src, $dst|$dst, $src}", []>;
574 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
575 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
576 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
577 "mov{l}\t{$src, $dst|$dst, $src}", []>;
579 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
580 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
581 "mov{b}\t{$src, $dst|$dst, $src}",
582 [(set GR8:$dst, imm:$src)]>;
583 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
584 "mov{w}\t{$src, $dst|$dst, $src}",
585 [(set GR16:$dst, imm:$src)]>, OpSize;
586 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
587 "mov{l}\t{$src, $dst|$dst, $src}",
588 [(set GR32:$dst, imm:$src)]>;
590 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
591 "mov{b}\t{$src, $dst|$dst, $src}",
592 [(store (i8 imm:$src), addr:$dst)]>;
593 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
594 "mov{w}\t{$src, $dst|$dst, $src}",
595 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
596 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
597 "mov{l}\t{$src, $dst|$dst, $src}",
598 [(store (i32 imm:$src), addr:$dst)]>;
600 let isSimpleLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
601 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
602 "mov{b}\t{$src, $dst|$dst, $src}",
603 [(set GR8:$dst, (load addr:$src))]>;
604 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
605 "mov{w}\t{$src, $dst|$dst, $src}",
606 [(set GR16:$dst, (load addr:$src))]>, OpSize;
607 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
608 "mov{l}\t{$src, $dst|$dst, $src}",
609 [(set GR32:$dst, (load addr:$src))]>;
612 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
613 "mov{b}\t{$src, $dst|$dst, $src}",
614 [(store GR8:$src, addr:$dst)]>;
615 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
616 "mov{w}\t{$src, $dst|$dst, $src}",
617 [(store GR16:$src, addr:$dst)]>, OpSize;
618 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
619 "mov{l}\t{$src, $dst|$dst, $src}",
620 [(store GR32:$src, addr:$dst)]>;
622 //===----------------------------------------------------------------------===//
623 // Fixed-Register Multiplication and Division Instructions...
626 // Extra precision multiplication
627 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
628 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
629 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
630 // This probably ought to be moved to a def : Pat<> if the
631 // syntax can be accepted.
632 [(set AL, (mul AL, GR8:$src))]>; // AL,AH = AL*GR8
633 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
634 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src), "mul{w}\t$src", []>,
635 OpSize; // AX,DX = AX*GR16
636 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
637 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src), "mul{l}\t$src", []>;
638 // EAX,EDX = EAX*GR32
639 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
640 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
642 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
643 // This probably ought to be moved to a def : Pat<> if the
644 // syntax can be accepted.
645 [(set AL, (mul AL, (loadi8 addr:$src)))]>; // AL,AH = AL*[mem8]
646 let mayLoad = 1, neverHasSideEffects = 1 in {
647 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
648 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
649 "mul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
650 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
651 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
652 "mul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
655 let neverHasSideEffects = 1 in {
656 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
657 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
659 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
660 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
661 OpSize; // AX,DX = AX*GR16
662 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
663 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
664 // EAX,EDX = EAX*GR32
666 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
667 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
668 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
669 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
670 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
671 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
672 let Defs = [EAX,EDX], Uses = [EAX] in
673 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
674 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
677 // unsigned division/remainder
678 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
679 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
681 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
682 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
683 "div{w}\t$src", []>, OpSize;
684 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
685 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
688 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
689 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
691 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
692 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
693 "div{w}\t$src", []>, OpSize;
694 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
695 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
699 // Signed division/remainder.
700 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
701 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
702 "idiv{b}\t$src", []>;
703 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
704 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
705 "idiv{w}\t$src", []>, OpSize;
706 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
707 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
708 "idiv{l}\t$src", []>;
709 let mayLoad = 1, mayLoad = 1 in {
710 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
711 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
712 "idiv{b}\t$src", []>;
713 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
714 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
715 "idiv{w}\t$src", []>, OpSize;
716 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
717 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
718 "idiv{l}\t$src", []>;
720 } // neverHasSideEffects
722 //===----------------------------------------------------------------------===//
723 // Two address Instructions.
725 let isTwoAddress = 1 in {
728 let Uses = [EFLAGS] in {
729 let isCommutable = 1 in {
730 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
731 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
732 "cmovb\t{$src2, $dst|$dst, $src2}",
733 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
734 X86_COND_B, EFLAGS))]>,
736 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
737 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
738 "cmovb\t{$src2, $dst|$dst, $src2}",
739 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
740 X86_COND_B, EFLAGS))]>,
743 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
744 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
745 "cmovae\t{$src2, $dst|$dst, $src2}",
746 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
747 X86_COND_AE, EFLAGS))]>,
749 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
750 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
751 "cmovae\t{$src2, $dst|$dst, $src2}",
752 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
753 X86_COND_AE, EFLAGS))]>,
755 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
756 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
757 "cmove\t{$src2, $dst|$dst, $src2}",
758 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
759 X86_COND_E, EFLAGS))]>,
761 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
762 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
763 "cmove\t{$src2, $dst|$dst, $src2}",
764 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
765 X86_COND_E, EFLAGS))]>,
767 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
768 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
769 "cmovne\t{$src2, $dst|$dst, $src2}",
770 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
771 X86_COND_NE, EFLAGS))]>,
773 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
774 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
775 "cmovne\t{$src2, $dst|$dst, $src2}",
776 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
777 X86_COND_NE, EFLAGS))]>,
779 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
780 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
781 "cmovbe\t{$src2, $dst|$dst, $src2}",
782 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
783 X86_COND_BE, EFLAGS))]>,
785 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
786 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
787 "cmovbe\t{$src2, $dst|$dst, $src2}",
788 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
789 X86_COND_BE, EFLAGS))]>,
791 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
792 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
793 "cmova\t{$src2, $dst|$dst, $src2}",
794 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
795 X86_COND_A, EFLAGS))]>,
797 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
798 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
799 "cmova\t{$src2, $dst|$dst, $src2}",
800 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
801 X86_COND_A, EFLAGS))]>,
803 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
804 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
805 "cmovl\t{$src2, $dst|$dst, $src2}",
806 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
807 X86_COND_L, EFLAGS))]>,
809 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
810 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
811 "cmovl\t{$src2, $dst|$dst, $src2}",
812 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
813 X86_COND_L, EFLAGS))]>,
815 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
816 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
817 "cmovge\t{$src2, $dst|$dst, $src2}",
818 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
819 X86_COND_GE, EFLAGS))]>,
821 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
822 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
823 "cmovge\t{$src2, $dst|$dst, $src2}",
824 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
825 X86_COND_GE, EFLAGS))]>,
827 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
828 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
829 "cmovle\t{$src2, $dst|$dst, $src2}",
830 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
831 X86_COND_LE, EFLAGS))]>,
833 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
834 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
835 "cmovle\t{$src2, $dst|$dst, $src2}",
836 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
837 X86_COND_LE, EFLAGS))]>,
839 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
840 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
841 "cmovg\t{$src2, $dst|$dst, $src2}",
842 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
843 X86_COND_G, EFLAGS))]>,
845 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
846 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
847 "cmovg\t{$src2, $dst|$dst, $src2}",
848 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
849 X86_COND_G, EFLAGS))]>,
851 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
852 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
853 "cmovs\t{$src2, $dst|$dst, $src2}",
854 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
855 X86_COND_S, EFLAGS))]>,
857 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
858 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
859 "cmovs\t{$src2, $dst|$dst, $src2}",
860 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
861 X86_COND_S, EFLAGS))]>,
863 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
864 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
865 "cmovns\t{$src2, $dst|$dst, $src2}",
866 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
867 X86_COND_NS, EFLAGS))]>,
869 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
870 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
871 "cmovns\t{$src2, $dst|$dst, $src2}",
872 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
873 X86_COND_NS, EFLAGS))]>,
875 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
876 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
877 "cmovp\t{$src2, $dst|$dst, $src2}",
878 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
879 X86_COND_P, EFLAGS))]>,
881 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
882 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
883 "cmovp\t{$src2, $dst|$dst, $src2}",
884 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
885 X86_COND_P, EFLAGS))]>,
887 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
888 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
889 "cmovnp\t{$src2, $dst|$dst, $src2}",
890 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
891 X86_COND_NP, EFLAGS))]>,
893 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
894 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
895 "cmovnp\t{$src2, $dst|$dst, $src2}",
896 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
897 X86_COND_NP, EFLAGS))]>,
899 } // isCommutable = 1
901 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
902 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
903 "cmovnp\t{$src2, $dst|$dst, $src2}",
904 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
905 X86_COND_NP, EFLAGS))]>,
908 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
909 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
910 "cmovb\t{$src2, $dst|$dst, $src2}",
911 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
912 X86_COND_B, EFLAGS))]>,
914 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
915 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
916 "cmovb\t{$src2, $dst|$dst, $src2}",
917 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
918 X86_COND_B, EFLAGS))]>,
920 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
921 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
922 "cmovae\t{$src2, $dst|$dst, $src2}",
923 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
924 X86_COND_AE, EFLAGS))]>,
926 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
927 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
928 "cmovae\t{$src2, $dst|$dst, $src2}",
929 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
930 X86_COND_AE, EFLAGS))]>,
932 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
933 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
934 "cmove\t{$src2, $dst|$dst, $src2}",
935 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
936 X86_COND_E, EFLAGS))]>,
938 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
939 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
940 "cmove\t{$src2, $dst|$dst, $src2}",
941 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
942 X86_COND_E, EFLAGS))]>,
944 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
945 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
946 "cmovne\t{$src2, $dst|$dst, $src2}",
947 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
948 X86_COND_NE, EFLAGS))]>,
950 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
951 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
952 "cmovne\t{$src2, $dst|$dst, $src2}",
953 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
954 X86_COND_NE, EFLAGS))]>,
956 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
957 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
958 "cmovbe\t{$src2, $dst|$dst, $src2}",
959 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
960 X86_COND_BE, EFLAGS))]>,
962 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
963 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
964 "cmovbe\t{$src2, $dst|$dst, $src2}",
965 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
966 X86_COND_BE, EFLAGS))]>,
968 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
969 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
970 "cmova\t{$src2, $dst|$dst, $src2}",
971 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
972 X86_COND_A, EFLAGS))]>,
974 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
975 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
976 "cmova\t{$src2, $dst|$dst, $src2}",
977 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
978 X86_COND_A, EFLAGS))]>,
980 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
981 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
982 "cmovl\t{$src2, $dst|$dst, $src2}",
983 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
984 X86_COND_L, EFLAGS))]>,
986 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
987 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
988 "cmovl\t{$src2, $dst|$dst, $src2}",
989 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
990 X86_COND_L, EFLAGS))]>,
992 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
993 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
994 "cmovge\t{$src2, $dst|$dst, $src2}",
995 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
996 X86_COND_GE, EFLAGS))]>,
998 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
999 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1000 "cmovge\t{$src2, $dst|$dst, $src2}",
1001 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1002 X86_COND_GE, EFLAGS))]>,
1004 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1005 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1006 "cmovle\t{$src2, $dst|$dst, $src2}",
1007 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1008 X86_COND_LE, EFLAGS))]>,
1010 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1011 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1012 "cmovle\t{$src2, $dst|$dst, $src2}",
1013 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1014 X86_COND_LE, EFLAGS))]>,
1016 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1017 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1018 "cmovg\t{$src2, $dst|$dst, $src2}",
1019 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1020 X86_COND_G, EFLAGS))]>,
1022 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1023 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1024 "cmovg\t{$src2, $dst|$dst, $src2}",
1025 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1026 X86_COND_G, EFLAGS))]>,
1028 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1029 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1030 "cmovs\t{$src2, $dst|$dst, $src2}",
1031 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1032 X86_COND_S, EFLAGS))]>,
1034 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1035 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1036 "cmovs\t{$src2, $dst|$dst, $src2}",
1037 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1038 X86_COND_S, EFLAGS))]>,
1040 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1041 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1042 "cmovns\t{$src2, $dst|$dst, $src2}",
1043 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1044 X86_COND_NS, EFLAGS))]>,
1046 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1047 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1048 "cmovns\t{$src2, $dst|$dst, $src2}",
1049 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1050 X86_COND_NS, EFLAGS))]>,
1052 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1053 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1054 "cmovp\t{$src2, $dst|$dst, $src2}",
1055 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1056 X86_COND_P, EFLAGS))]>,
1058 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1059 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1060 "cmovp\t{$src2, $dst|$dst, $src2}",
1061 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1062 X86_COND_P, EFLAGS))]>,
1064 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1065 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1066 "cmovnp\t{$src2, $dst|$dst, $src2}",
1067 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1068 X86_COND_NP, EFLAGS))]>,
1070 } // Uses = [EFLAGS]
1073 // unary instructions
1074 let CodeSize = 2 in {
1075 let Defs = [EFLAGS] in {
1076 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1077 [(set GR8:$dst, (ineg GR8:$src))]>;
1078 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1079 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1080 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1081 [(set GR32:$dst, (ineg GR32:$src))]>;
1082 let isTwoAddress = 0 in {
1083 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1084 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1085 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1086 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1087 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1088 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1091 } // Defs = [EFLAGS]
1093 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1094 [(set GR8:$dst, (not GR8:$src))]>;
1095 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1096 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1097 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1098 [(set GR32:$dst, (not GR32:$src))]>;
1099 let isTwoAddress = 0 in {
1100 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1101 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1102 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1103 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1104 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1105 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1109 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1110 let Defs = [EFLAGS] in {
1112 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1113 [(set GR8:$dst, (add GR8:$src, 1))]>;
1114 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1115 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1116 [(set GR16:$dst, (add GR16:$src, 1))]>,
1117 OpSize, Requires<[In32BitMode]>;
1118 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1119 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1121 let isTwoAddress = 0, CodeSize = 2 in {
1122 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1123 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1124 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1125 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>,
1126 OpSize, Requires<[In32BitMode]>;
1127 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1128 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>,
1129 Requires<[In32BitMode]>;
1133 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1134 [(set GR8:$dst, (add GR8:$src, -1))]>;
1135 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1136 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1137 [(set GR16:$dst, (add GR16:$src, -1))]>,
1138 OpSize, Requires<[In32BitMode]>;
1139 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1140 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1143 let isTwoAddress = 0, CodeSize = 2 in {
1144 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1145 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1146 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1147 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>,
1148 OpSize, Requires<[In32BitMode]>;
1149 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1150 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>,
1151 Requires<[In32BitMode]>;
1153 } // Defs = [EFLAGS]
1155 // Logical operators...
1156 let Defs = [EFLAGS] in {
1157 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1158 def AND8rr : I<0x20, MRMDestReg,
1159 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1160 "and{b}\t{$src2, $dst|$dst, $src2}",
1161 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1162 def AND16rr : I<0x21, MRMDestReg,
1163 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1164 "and{w}\t{$src2, $dst|$dst, $src2}",
1165 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1166 def AND32rr : I<0x21, MRMDestReg,
1167 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1168 "and{l}\t{$src2, $dst|$dst, $src2}",
1169 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1172 def AND8rm : I<0x22, MRMSrcMem,
1173 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1174 "and{b}\t{$src2, $dst|$dst, $src2}",
1175 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1176 def AND16rm : I<0x23, MRMSrcMem,
1177 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1178 "and{w}\t{$src2, $dst|$dst, $src2}",
1179 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1180 def AND32rm : I<0x23, MRMSrcMem,
1181 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1182 "and{l}\t{$src2, $dst|$dst, $src2}",
1183 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1185 def AND8ri : Ii8<0x80, MRM4r,
1186 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1187 "and{b}\t{$src2, $dst|$dst, $src2}",
1188 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1189 def AND16ri : Ii16<0x81, MRM4r,
1190 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1191 "and{w}\t{$src2, $dst|$dst, $src2}",
1192 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1193 def AND32ri : Ii32<0x81, MRM4r,
1194 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1195 "and{l}\t{$src2, $dst|$dst, $src2}",
1196 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1197 def AND16ri8 : Ii8<0x83, MRM4r,
1198 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1199 "and{w}\t{$src2, $dst|$dst, $src2}",
1200 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1202 def AND32ri8 : Ii8<0x83, MRM4r,
1203 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1204 "and{l}\t{$src2, $dst|$dst, $src2}",
1205 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1207 let isTwoAddress = 0 in {
1208 def AND8mr : I<0x20, MRMDestMem,
1209 (outs), (ins i8mem :$dst, GR8 :$src),
1210 "and{b}\t{$src, $dst|$dst, $src}",
1211 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1212 def AND16mr : I<0x21, MRMDestMem,
1213 (outs), (ins i16mem:$dst, GR16:$src),
1214 "and{w}\t{$src, $dst|$dst, $src}",
1215 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1217 def AND32mr : I<0x21, MRMDestMem,
1218 (outs), (ins i32mem:$dst, GR32:$src),
1219 "and{l}\t{$src, $dst|$dst, $src}",
1220 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1221 def AND8mi : Ii8<0x80, MRM4m,
1222 (outs), (ins i8mem :$dst, i8imm :$src),
1223 "and{b}\t{$src, $dst|$dst, $src}",
1224 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1225 def AND16mi : Ii16<0x81, MRM4m,
1226 (outs), (ins i16mem:$dst, i16imm:$src),
1227 "and{w}\t{$src, $dst|$dst, $src}",
1228 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1230 def AND32mi : Ii32<0x81, MRM4m,
1231 (outs), (ins i32mem:$dst, i32imm:$src),
1232 "and{l}\t{$src, $dst|$dst, $src}",
1233 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1234 def AND16mi8 : Ii8<0x83, MRM4m,
1235 (outs), (ins i16mem:$dst, i16i8imm :$src),
1236 "and{w}\t{$src, $dst|$dst, $src}",
1237 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1239 def AND32mi8 : Ii8<0x83, MRM4m,
1240 (outs), (ins i32mem:$dst, i32i8imm :$src),
1241 "and{l}\t{$src, $dst|$dst, $src}",
1242 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1246 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1247 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1248 "or{b}\t{$src2, $dst|$dst, $src2}",
1249 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1250 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1251 "or{w}\t{$src2, $dst|$dst, $src2}",
1252 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1253 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1254 "or{l}\t{$src2, $dst|$dst, $src2}",
1255 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1257 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1258 "or{b}\t{$src2, $dst|$dst, $src2}",
1259 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1260 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1261 "or{w}\t{$src2, $dst|$dst, $src2}",
1262 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1263 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1264 "or{l}\t{$src2, $dst|$dst, $src2}",
1265 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1267 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1268 "or{b}\t{$src2, $dst|$dst, $src2}",
1269 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1270 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1271 "or{w}\t{$src2, $dst|$dst, $src2}",
1272 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1273 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1274 "or{l}\t{$src2, $dst|$dst, $src2}",
1275 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1277 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1278 "or{w}\t{$src2, $dst|$dst, $src2}",
1279 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1280 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1281 "or{l}\t{$src2, $dst|$dst, $src2}",
1282 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1283 let isTwoAddress = 0 in {
1284 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1285 "or{b}\t{$src, $dst|$dst, $src}",
1286 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1287 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1288 "or{w}\t{$src, $dst|$dst, $src}",
1289 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1290 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1291 "or{l}\t{$src, $dst|$dst, $src}",
1292 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1293 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1294 "or{b}\t{$src, $dst|$dst, $src}",
1295 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1296 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1297 "or{w}\t{$src, $dst|$dst, $src}",
1298 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1300 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1301 "or{l}\t{$src, $dst|$dst, $src}",
1302 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1303 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1304 "or{w}\t{$src, $dst|$dst, $src}",
1305 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1307 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1308 "or{l}\t{$src, $dst|$dst, $src}",
1309 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1310 } // isTwoAddress = 0
1313 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1314 def XOR8rr : I<0x30, MRMDestReg,
1315 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1316 "xor{b}\t{$src2, $dst|$dst, $src2}",
1317 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1318 def XOR16rr : I<0x31, MRMDestReg,
1319 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1320 "xor{w}\t{$src2, $dst|$dst, $src2}",
1321 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1322 def XOR32rr : I<0x31, MRMDestReg,
1323 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1324 "xor{l}\t{$src2, $dst|$dst, $src2}",
1325 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1326 } // isCommutable = 1
1328 def XOR8rm : I<0x32, MRMSrcMem ,
1329 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1330 "xor{b}\t{$src2, $dst|$dst, $src2}",
1331 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1332 def XOR16rm : I<0x33, MRMSrcMem ,
1333 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1334 "xor{w}\t{$src2, $dst|$dst, $src2}",
1335 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>,
1337 def XOR32rm : I<0x33, MRMSrcMem ,
1338 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1339 "xor{l}\t{$src2, $dst|$dst, $src2}",
1340 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1342 def XOR8ri : Ii8<0x80, MRM6r,
1343 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1344 "xor{b}\t{$src2, $dst|$dst, $src2}",
1345 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1346 def XOR16ri : Ii16<0x81, MRM6r,
1347 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1348 "xor{w}\t{$src2, $dst|$dst, $src2}",
1349 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1350 def XOR32ri : Ii32<0x81, MRM6r,
1351 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1352 "xor{l}\t{$src2, $dst|$dst, $src2}",
1353 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1354 def XOR16ri8 : Ii8<0x83, MRM6r,
1355 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1356 "xor{w}\t{$src2, $dst|$dst, $src2}",
1357 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1359 def XOR32ri8 : Ii8<0x83, MRM6r,
1360 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1361 "xor{l}\t{$src2, $dst|$dst, $src2}",
1362 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1364 let isTwoAddress = 0 in {
1365 def XOR8mr : I<0x30, MRMDestMem,
1366 (outs), (ins i8mem :$dst, GR8 :$src),
1367 "xor{b}\t{$src, $dst|$dst, $src}",
1368 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1369 def XOR16mr : I<0x31, MRMDestMem,
1370 (outs), (ins i16mem:$dst, GR16:$src),
1371 "xor{w}\t{$src, $dst|$dst, $src}",
1372 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1374 def XOR32mr : I<0x31, MRMDestMem,
1375 (outs), (ins i32mem:$dst, GR32:$src),
1376 "xor{l}\t{$src, $dst|$dst, $src}",
1377 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1378 def XOR8mi : Ii8<0x80, MRM6m,
1379 (outs), (ins i8mem :$dst, i8imm :$src),
1380 "xor{b}\t{$src, $dst|$dst, $src}",
1381 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1382 def XOR16mi : Ii16<0x81, MRM6m,
1383 (outs), (ins i16mem:$dst, i16imm:$src),
1384 "xor{w}\t{$src, $dst|$dst, $src}",
1385 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1387 def XOR32mi : Ii32<0x81, MRM6m,
1388 (outs), (ins i32mem:$dst, i32imm:$src),
1389 "xor{l}\t{$src, $dst|$dst, $src}",
1390 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1391 def XOR16mi8 : Ii8<0x83, MRM6m,
1392 (outs), (ins i16mem:$dst, i16i8imm :$src),
1393 "xor{w}\t{$src, $dst|$dst, $src}",
1394 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1396 def XOR32mi8 : Ii8<0x83, MRM6m,
1397 (outs), (ins i32mem:$dst, i32i8imm :$src),
1398 "xor{l}\t{$src, $dst|$dst, $src}",
1399 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1400 } // isTwoAddress = 0
1401 } // Defs = [EFLAGS]
1403 // Shift instructions
1404 let Defs = [EFLAGS] in {
1405 let Uses = [CL] in {
1406 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1407 "shl{b}\t{%cl, $dst|$dst, %CL}",
1408 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1409 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1410 "shl{w}\t{%cl, $dst|$dst, %CL}",
1411 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1412 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1413 "shl{l}\t{%cl, $dst|$dst, %CL}",
1414 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1417 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1418 "shl{b}\t{$src2, $dst|$dst, $src2}",
1419 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1420 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1421 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1422 "shl{w}\t{$src2, $dst|$dst, $src2}",
1423 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1424 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1425 "shl{l}\t{$src2, $dst|$dst, $src2}",
1426 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1427 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1429 } // isConvertibleToThreeAddress = 1
1431 let isTwoAddress = 0 in {
1432 let Uses = [CL] in {
1433 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1434 "shl{b}\t{%cl, $dst|$dst, %CL}",
1435 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1436 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1437 "shl{w}\t{%cl, $dst|$dst, %CL}",
1438 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1439 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1440 "shl{l}\t{%cl, $dst|$dst, %CL}",
1441 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1443 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1444 "shl{b}\t{$src, $dst|$dst, $src}",
1445 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1446 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1447 "shl{w}\t{$src, $dst|$dst, $src}",
1448 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1450 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1451 "shl{l}\t{$src, $dst|$dst, $src}",
1452 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1455 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1457 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1458 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1460 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1462 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1464 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1467 let Uses = [CL] in {
1468 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1469 "shr{b}\t{%cl, $dst|$dst, %CL}",
1470 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1471 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1472 "shr{w}\t{%cl, $dst|$dst, %CL}",
1473 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1474 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1475 "shr{l}\t{%cl, $dst|$dst, %CL}",
1476 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1479 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1480 "shr{b}\t{$src2, $dst|$dst, $src2}",
1481 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1482 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1483 "shr{w}\t{$src2, $dst|$dst, $src2}",
1484 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1485 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1486 "shr{l}\t{$src2, $dst|$dst, $src2}",
1487 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1490 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1492 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1493 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1495 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1496 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1498 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1500 let isTwoAddress = 0 in {
1501 let Uses = [CL] in {
1502 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1503 "shr{b}\t{%cl, $dst|$dst, %CL}",
1504 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1505 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1506 "shr{w}\t{%cl, $dst|$dst, %CL}",
1507 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1509 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1510 "shr{l}\t{%cl, $dst|$dst, %CL}",
1511 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1513 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1514 "shr{b}\t{$src, $dst|$dst, $src}",
1515 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1516 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1517 "shr{w}\t{$src, $dst|$dst, $src}",
1518 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1520 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1521 "shr{l}\t{$src, $dst|$dst, $src}",
1522 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1525 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1527 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1528 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1530 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1531 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1533 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1536 let Uses = [CL] in {
1537 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1538 "sar{b}\t{%cl, $dst|$dst, %CL}",
1539 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1540 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1541 "sar{w}\t{%cl, $dst|$dst, %CL}",
1542 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1543 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1544 "sar{l}\t{%cl, $dst|$dst, %CL}",
1545 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1548 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1549 "sar{b}\t{$src2, $dst|$dst, $src2}",
1550 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1551 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1552 "sar{w}\t{$src2, $dst|$dst, $src2}",
1553 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1555 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1556 "sar{l}\t{$src2, $dst|$dst, $src2}",
1557 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1560 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1562 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1563 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1565 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1566 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1568 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1570 let isTwoAddress = 0 in {
1571 let Uses = [CL] in {
1572 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1573 "sar{b}\t{%cl, $dst|$dst, %CL}",
1574 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1575 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1576 "sar{w}\t{%cl, $dst|$dst, %CL}",
1577 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1578 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1579 "sar{l}\t{%cl, $dst|$dst, %CL}",
1580 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1582 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1583 "sar{b}\t{$src, $dst|$dst, $src}",
1584 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1585 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1586 "sar{w}\t{$src, $dst|$dst, $src}",
1587 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1589 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1590 "sar{l}\t{$src, $dst|$dst, $src}",
1591 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1594 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1596 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1597 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1599 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1601 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1603 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1606 // Rotate instructions
1607 // FIXME: provide shorter instructions when imm8 == 1
1608 let Uses = [CL] in {
1609 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1610 "rol{b}\t{%cl, $dst|$dst, %CL}",
1611 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1612 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1613 "rol{w}\t{%cl, $dst|$dst, %CL}",
1614 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1615 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1616 "rol{l}\t{%cl, $dst|$dst, %CL}",
1617 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1620 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1621 "rol{b}\t{$src2, $dst|$dst, $src2}",
1622 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1623 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1624 "rol{w}\t{$src2, $dst|$dst, $src2}",
1625 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1626 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1627 "rol{l}\t{$src2, $dst|$dst, $src2}",
1628 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1631 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1633 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1634 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1636 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1637 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1639 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1641 let isTwoAddress = 0 in {
1642 let Uses = [CL] in {
1643 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1644 "rol{b}\t{%cl, $dst|$dst, %CL}",
1645 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1646 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1647 "rol{w}\t{%cl, $dst|$dst, %CL}",
1648 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1649 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1650 "rol{l}\t{%cl, $dst|$dst, %CL}",
1651 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1653 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1654 "rol{b}\t{$src, $dst|$dst, $src}",
1655 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1656 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1657 "rol{w}\t{$src, $dst|$dst, $src}",
1658 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1660 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1661 "rol{l}\t{$src, $dst|$dst, $src}",
1662 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1665 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1667 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1668 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1670 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1672 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1674 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1677 let Uses = [CL] in {
1678 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1679 "ror{b}\t{%cl, $dst|$dst, %CL}",
1680 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1681 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1682 "ror{w}\t{%cl, $dst|$dst, %CL}",
1683 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1684 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1685 "ror{l}\t{%cl, $dst|$dst, %CL}",
1686 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1689 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1690 "ror{b}\t{$src2, $dst|$dst, $src2}",
1691 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1692 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1693 "ror{w}\t{$src2, $dst|$dst, $src2}",
1694 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1695 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1696 "ror{l}\t{$src2, $dst|$dst, $src2}",
1697 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1700 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1702 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1703 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1705 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1706 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1708 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1710 let isTwoAddress = 0 in {
1711 let Uses = [CL] in {
1712 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1713 "ror{b}\t{%cl, $dst|$dst, %CL}",
1714 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1715 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1716 "ror{w}\t{%cl, $dst|$dst, %CL}",
1717 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1718 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1719 "ror{l}\t{%cl, $dst|$dst, %CL}",
1720 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1722 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1723 "ror{b}\t{$src, $dst|$dst, $src}",
1724 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1725 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1726 "ror{w}\t{$src, $dst|$dst, $src}",
1727 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1729 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1730 "ror{l}\t{$src, $dst|$dst, $src}",
1731 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1734 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1736 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1737 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1739 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1741 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1743 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1748 // Double shift instructions (generalizations of rotate)
1749 let Uses = [CL] in {
1750 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1751 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1752 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1753 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1754 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1755 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1756 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1757 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1758 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1760 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1761 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1762 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1766 let isCommutable = 1 in { // These instructions commute to each other.
1767 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1768 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1769 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1770 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1773 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1774 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1775 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1776 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1779 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1780 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1781 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1782 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1785 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1786 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1787 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1788 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1793 let isTwoAddress = 0 in {
1794 let Uses = [CL] in {
1795 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1796 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1797 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1799 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1800 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1801 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1804 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1805 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1806 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1807 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1808 (i8 imm:$src3)), addr:$dst)]>,
1810 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1811 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1812 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1813 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1814 (i8 imm:$src3)), addr:$dst)]>,
1817 let Uses = [CL] in {
1818 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1819 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1820 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1821 addr:$dst)]>, TB, OpSize;
1822 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1823 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1824 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1825 addr:$dst)]>, TB, OpSize;
1827 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1828 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1829 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1830 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1831 (i8 imm:$src3)), addr:$dst)]>,
1833 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1834 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1835 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1836 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1837 (i8 imm:$src3)), addr:$dst)]>,
1840 } // Defs = [EFLAGS]
1844 let Defs = [EFLAGS] in {
1845 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1846 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
1847 (ins GR8 :$src1, GR8 :$src2),
1848 "add{b}\t{$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, (outs GR16:$dst),
1852 (ins GR16:$src1, GR16:$src2),
1853 "add{w}\t{$src2, $dst|$dst, $src2}",
1854 [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize;
1855 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
1856 (ins GR32:$src1, GR32:$src2),
1857 "add{l}\t{$src2, $dst|$dst, $src2}",
1858 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
1859 } // end isConvertibleToThreeAddress
1860 } // end isCommutable
1861 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
1862 (ins GR8 :$src1, i8mem :$src2),
1863 "add{b}\t{$src2, $dst|$dst, $src2}",
1864 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>;
1865 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
1866 (ins GR16:$src1, i16mem:$src2),
1867 "add{w}\t{$src2, $dst|$dst, $src2}",
1868 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>,OpSize;
1869 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
1870 (ins GR32:$src1, i32mem:$src2),
1871 "add{l}\t{$src2, $dst|$dst, $src2}",
1872 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>;
1874 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1875 "add{b}\t{$src2, $dst|$dst, $src2}",
1876 [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>;
1878 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1879 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
1880 (ins GR16:$src1, i16imm:$src2),
1881 "add{w}\t{$src2, $dst|$dst, $src2}",
1882 [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize;
1883 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
1884 (ins GR32:$src1, i32imm:$src2),
1885 "add{l}\t{$src2, $dst|$dst, $src2}",
1886 [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
1887 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
1888 (ins GR16:$src1, i16i8imm:$src2),
1889 "add{w}\t{$src2, $dst|$dst, $src2}",
1890 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1891 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
1892 (ins GR32:$src1, i32i8imm:$src2),
1893 "add{l}\t{$src2, $dst|$dst, $src2}",
1894 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
1897 let isTwoAddress = 0 in {
1898 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
1899 "add{b}\t{$src2, $dst|$dst, $src2}",
1900 [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>;
1901 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1902 "add{w}\t{$src2, $dst|$dst, $src2}",
1903 [(store (add (load addr:$dst), GR16:$src2), addr:$dst)]>,
1905 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1906 "add{l}\t{$src2, $dst|$dst, $src2}",
1907 [(store (add (load addr:$dst), GR32:$src2), addr:$dst)]>;
1908 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
1909 "add{b}\t{$src2, $dst|$dst, $src2}",
1910 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1911 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
1912 "add{w}\t{$src2, $dst|$dst, $src2}",
1913 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1915 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
1916 "add{l}\t{$src2, $dst|$dst, $src2}",
1917 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1918 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
1919 "add{w}\t{$src2, $dst|$dst, $src2}",
1920 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1922 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
1923 "add{l}\t{$src2, $dst|$dst, $src2}",
1924 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1927 let Uses = [EFLAGS] in {
1928 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1929 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1930 "adc{l}\t{$src2, $dst|$dst, $src2}",
1931 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
1933 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1934 "adc{l}\t{$src2, $dst|$dst, $src2}",
1935 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
1936 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1937 "adc{l}\t{$src2, $dst|$dst, $src2}",
1938 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
1939 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1940 "adc{l}\t{$src2, $dst|$dst, $src2}",
1941 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
1943 let isTwoAddress = 0 in {
1944 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1945 "adc{l}\t{$src2, $dst|$dst, $src2}",
1946 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
1947 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
1948 "adc{l}\t{$src2, $dst|$dst, $src2}",
1949 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1950 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
1951 "adc{l}\t{$src2, $dst|$dst, $src2}",
1952 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1954 } // Uses = [EFLAGS]
1956 def SUB8rr : I<0x28, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1957 "sub{b}\t{$src2, $dst|$dst, $src2}",
1958 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2))]>;
1959 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1960 "sub{w}\t{$src2, $dst|$dst, $src2}",
1961 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2))]>, OpSize;
1962 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1963 "sub{l}\t{$src2, $dst|$dst, $src2}",
1964 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2))]>;
1965 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1966 "sub{b}\t{$src2, $dst|$dst, $src2}",
1967 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2)))]>;
1968 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1969 "sub{w}\t{$src2, $dst|$dst, $src2}",
1970 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2)))]>, OpSize;
1971 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1972 "sub{l}\t{$src2, $dst|$dst, $src2}",
1973 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2)))]>;
1975 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1976 "sub{b}\t{$src2, $dst|$dst, $src2}",
1977 [(set GR8:$dst, (sub GR8:$src1, imm:$src2))]>;
1978 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1979 "sub{w}\t{$src2, $dst|$dst, $src2}",
1980 [(set GR16:$dst, (sub GR16:$src1, imm:$src2))]>, OpSize;
1981 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1982 "sub{l}\t{$src2, $dst|$dst, $src2}",
1983 [(set GR32:$dst, (sub GR32:$src1, imm:$src2))]>;
1984 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1985 "sub{w}\t{$src2, $dst|$dst, $src2}",
1986 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2))]>,
1988 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1989 "sub{l}\t{$src2, $dst|$dst, $src2}",
1990 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2))]>;
1991 let isTwoAddress = 0 in {
1992 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
1993 "sub{b}\t{$src2, $dst|$dst, $src2}",
1994 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst)]>;
1995 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1996 "sub{w}\t{$src2, $dst|$dst, $src2}",
1997 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst)]>,
1999 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2000 "sub{l}\t{$src2, $dst|$dst, $src2}",
2001 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst)]>;
2002 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2003 "sub{b}\t{$src2, $dst|$dst, $src2}",
2004 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2005 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2006 "sub{w}\t{$src2, $dst|$dst, $src2}",
2007 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2009 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2010 "sub{l}\t{$src2, $dst|$dst, $src2}",
2011 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2012 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2013 "sub{w}\t{$src2, $dst|$dst, $src2}",
2014 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2016 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2017 "sub{l}\t{$src2, $dst|$dst, $src2}",
2018 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2021 let Uses = [EFLAGS] in {
2022 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2023 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2024 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2026 let isTwoAddress = 0 in {
2027 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2028 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2029 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2030 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2031 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2032 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2033 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2034 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2035 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2036 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2037 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2038 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2040 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2041 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2042 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2043 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2044 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2045 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2046 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2047 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2048 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2049 } // Uses = [EFLAGS]
2050 } // Defs = [EFLAGS]
2052 let Defs = [EFLAGS] in {
2053 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2054 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2055 "imul{w}\t{$src2, $dst|$dst, $src2}",
2056 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2))]>, TB, OpSize;
2057 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2058 "imul{l}\t{$src2, $dst|$dst, $src2}",
2059 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2))]>, TB;
2061 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2062 "imul{w}\t{$src2, $dst|$dst, $src2}",
2063 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2)))]>,
2065 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2066 "imul{l}\t{$src2, $dst|$dst, $src2}",
2067 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2)))]>, TB;
2068 } // Defs = [EFLAGS]
2069 } // end Two Address instructions
2071 // Suprisingly enough, these are not two address instructions!
2072 let Defs = [EFLAGS] in {
2073 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2074 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2075 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2076 [(set GR16:$dst, (mul GR16:$src1, imm:$src2))]>, OpSize;
2077 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2078 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2079 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2080 [(set GR32:$dst, (mul GR32:$src1, imm:$src2))]>;
2081 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2082 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2083 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2084 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2))]>,
2086 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2087 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2088 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2089 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2))]>;
2091 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2092 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2093 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2094 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2096 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2097 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2098 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2099 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2100 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2101 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2102 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2103 [(set GR16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2105 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2106 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2107 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2108 [(set GR32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2109 } // Defs = [EFLAGS]
2111 //===----------------------------------------------------------------------===//
2112 // Test instructions are just like AND, except they don't generate a result.
2114 let Defs = [EFLAGS] in {
2115 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2116 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2117 "test{b}\t{$src2, $src1|$src1, $src2}",
2118 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2119 (implicit EFLAGS)]>;
2120 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2121 "test{w}\t{$src2, $src1|$src1, $src2}",
2122 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2123 (implicit EFLAGS)]>,
2125 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2126 "test{l}\t{$src2, $src1|$src1, $src2}",
2127 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2128 (implicit EFLAGS)]>;
2131 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2132 "test{b}\t{$src2, $src1|$src1, $src2}",
2133 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2134 (implicit EFLAGS)]>;
2135 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2136 "test{w}\t{$src2, $src1|$src1, $src2}",
2137 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2138 (implicit EFLAGS)]>, OpSize;
2139 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2140 "test{l}\t{$src2, $src1|$src1, $src2}",
2141 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2142 (implicit EFLAGS)]>;
2144 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2145 (outs), (ins GR8:$src1, i8imm:$src2),
2146 "test{b}\t{$src2, $src1|$src1, $src2}",
2147 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2148 (implicit EFLAGS)]>;
2149 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2150 (outs), (ins GR16:$src1, i16imm:$src2),
2151 "test{w}\t{$src2, $src1|$src1, $src2}",
2152 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2153 (implicit EFLAGS)]>, OpSize;
2154 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2155 (outs), (ins GR32:$src1, i32imm:$src2),
2156 "test{l}\t{$src2, $src1|$src1, $src2}",
2157 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2158 (implicit EFLAGS)]>;
2160 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2161 (outs), (ins i8mem:$src1, i8imm:$src2),
2162 "test{b}\t{$src2, $src1|$src1, $src2}",
2163 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2164 (implicit EFLAGS)]>;
2165 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2166 (outs), (ins i16mem:$src1, i16imm:$src2),
2167 "test{w}\t{$src2, $src1|$src1, $src2}",
2168 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2169 (implicit EFLAGS)]>, OpSize;
2170 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2171 (outs), (ins i32mem:$src1, i32imm:$src2),
2172 "test{l}\t{$src2, $src1|$src1, $src2}",
2173 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2174 (implicit EFLAGS)]>;
2175 } // Defs = [EFLAGS]
2178 // Condition code ops, incl. set if equal/not equal/...
2179 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2180 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2181 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2182 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2184 let Uses = [EFLAGS] in {
2185 def SETEr : I<0x94, MRM0r,
2186 (outs GR8 :$dst), (ins),
2188 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2190 def SETEm : I<0x94, MRM0m,
2191 (outs), (ins i8mem:$dst),
2193 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2195 def SETNEr : I<0x95, MRM0r,
2196 (outs GR8 :$dst), (ins),
2198 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2200 def SETNEm : I<0x95, MRM0m,
2201 (outs), (ins i8mem:$dst),
2203 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2205 def SETLr : I<0x9C, MRM0r,
2206 (outs GR8 :$dst), (ins),
2208 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2209 TB; // GR8 = < signed
2210 def SETLm : I<0x9C, MRM0m,
2211 (outs), (ins i8mem:$dst),
2213 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2214 TB; // [mem8] = < signed
2215 def SETGEr : I<0x9D, MRM0r,
2216 (outs GR8 :$dst), (ins),
2218 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2219 TB; // GR8 = >= signed
2220 def SETGEm : I<0x9D, MRM0m,
2221 (outs), (ins i8mem:$dst),
2223 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2224 TB; // [mem8] = >= signed
2225 def SETLEr : I<0x9E, MRM0r,
2226 (outs GR8 :$dst), (ins),
2228 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2229 TB; // GR8 = <= signed
2230 def SETLEm : I<0x9E, MRM0m,
2231 (outs), (ins i8mem:$dst),
2233 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2234 TB; // [mem8] = <= signed
2235 def SETGr : I<0x9F, MRM0r,
2236 (outs GR8 :$dst), (ins),
2238 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2239 TB; // GR8 = > signed
2240 def SETGm : I<0x9F, MRM0m,
2241 (outs), (ins i8mem:$dst),
2243 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2244 TB; // [mem8] = > signed
2246 def SETBr : I<0x92, MRM0r,
2247 (outs GR8 :$dst), (ins),
2249 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2250 TB; // GR8 = < unsign
2251 def SETBm : I<0x92, MRM0m,
2252 (outs), (ins i8mem:$dst),
2254 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2255 TB; // [mem8] = < unsign
2256 def SETAEr : I<0x93, MRM0r,
2257 (outs GR8 :$dst), (ins),
2259 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2260 TB; // GR8 = >= unsign
2261 def SETAEm : I<0x93, MRM0m,
2262 (outs), (ins i8mem:$dst),
2264 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2265 TB; // [mem8] = >= unsign
2266 def SETBEr : I<0x96, MRM0r,
2267 (outs GR8 :$dst), (ins),
2269 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2270 TB; // GR8 = <= unsign
2271 def SETBEm : I<0x96, MRM0m,
2272 (outs), (ins i8mem:$dst),
2274 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2275 TB; // [mem8] = <= unsign
2276 def SETAr : I<0x97, MRM0r,
2277 (outs GR8 :$dst), (ins),
2279 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2280 TB; // GR8 = > signed
2281 def SETAm : I<0x97, MRM0m,
2282 (outs), (ins i8mem:$dst),
2284 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2285 TB; // [mem8] = > signed
2287 def SETSr : I<0x98, MRM0r,
2288 (outs GR8 :$dst), (ins),
2290 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2291 TB; // GR8 = <sign bit>
2292 def SETSm : I<0x98, MRM0m,
2293 (outs), (ins i8mem:$dst),
2295 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2296 TB; // [mem8] = <sign bit>
2297 def SETNSr : I<0x99, MRM0r,
2298 (outs GR8 :$dst), (ins),
2300 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2301 TB; // GR8 = !<sign bit>
2302 def SETNSm : I<0x99, MRM0m,
2303 (outs), (ins i8mem:$dst),
2305 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2306 TB; // [mem8] = !<sign bit>
2307 def SETPr : I<0x9A, MRM0r,
2308 (outs GR8 :$dst), (ins),
2310 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2312 def SETPm : I<0x9A, MRM0m,
2313 (outs), (ins i8mem:$dst),
2315 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2316 TB; // [mem8] = parity
2317 def SETNPr : I<0x9B, MRM0r,
2318 (outs GR8 :$dst), (ins),
2320 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2321 TB; // GR8 = not parity
2322 def SETNPm : I<0x9B, MRM0m,
2323 (outs), (ins i8mem:$dst),
2325 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2326 TB; // [mem8] = not parity
2327 } // Uses = [EFLAGS]
2330 // Integer comparisons
2331 let Defs = [EFLAGS] in {
2332 def CMP8rr : I<0x38, MRMDestReg,
2333 (outs), (ins GR8 :$src1, GR8 :$src2),
2334 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2335 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2336 def CMP16rr : I<0x39, MRMDestReg,
2337 (outs), (ins GR16:$src1, GR16:$src2),
2338 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2339 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2340 def CMP32rr : I<0x39, MRMDestReg,
2341 (outs), (ins GR32:$src1, GR32:$src2),
2342 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2343 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2344 def CMP8mr : I<0x38, MRMDestMem,
2345 (outs), (ins i8mem :$src1, GR8 :$src2),
2346 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2347 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2348 (implicit EFLAGS)]>;
2349 def CMP16mr : I<0x39, MRMDestMem,
2350 (outs), (ins i16mem:$src1, GR16:$src2),
2351 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2352 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2353 (implicit EFLAGS)]>, OpSize;
2354 def CMP32mr : I<0x39, MRMDestMem,
2355 (outs), (ins i32mem:$src1, GR32:$src2),
2356 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2357 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2358 (implicit EFLAGS)]>;
2359 def CMP8rm : I<0x3A, MRMSrcMem,
2360 (outs), (ins GR8 :$src1, i8mem :$src2),
2361 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2362 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2363 (implicit EFLAGS)]>;
2364 def CMP16rm : I<0x3B, MRMSrcMem,
2365 (outs), (ins GR16:$src1, i16mem:$src2),
2366 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2367 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2368 (implicit EFLAGS)]>, OpSize;
2369 def CMP32rm : I<0x3B, MRMSrcMem,
2370 (outs), (ins GR32:$src1, i32mem:$src2),
2371 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2372 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2373 (implicit EFLAGS)]>;
2374 def CMP8ri : Ii8<0x80, MRM7r,
2375 (outs), (ins GR8:$src1, i8imm:$src2),
2376 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2377 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2378 def CMP16ri : Ii16<0x81, MRM7r,
2379 (outs), (ins GR16:$src1, i16imm:$src2),
2380 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2381 [(X86cmp GR16:$src1, imm:$src2),
2382 (implicit EFLAGS)]>, OpSize;
2383 def CMP32ri : Ii32<0x81, MRM7r,
2384 (outs), (ins GR32:$src1, i32imm:$src2),
2385 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2386 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2387 def CMP8mi : Ii8 <0x80, MRM7m,
2388 (outs), (ins i8mem :$src1, i8imm :$src2),
2389 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2390 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2391 (implicit EFLAGS)]>;
2392 def CMP16mi : Ii16<0x81, MRM7m,
2393 (outs), (ins i16mem:$src1, i16imm:$src2),
2394 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2395 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2396 (implicit EFLAGS)]>, OpSize;
2397 def CMP32mi : Ii32<0x81, MRM7m,
2398 (outs), (ins i32mem:$src1, i32imm:$src2),
2399 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2400 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2401 (implicit EFLAGS)]>;
2402 def CMP16ri8 : Ii8<0x83, MRM7r,
2403 (outs), (ins GR16:$src1, i16i8imm:$src2),
2404 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2405 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2406 (implicit EFLAGS)]>, OpSize;
2407 def CMP16mi8 : Ii8<0x83, MRM7m,
2408 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2409 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2410 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2411 (implicit EFLAGS)]>, OpSize;
2412 def CMP32mi8 : Ii8<0x83, MRM7m,
2413 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2414 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2415 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2416 (implicit EFLAGS)]>;
2417 def CMP32ri8 : Ii8<0x83, MRM7r,
2418 (outs), (ins GR32:$src1, i32i8imm:$src2),
2419 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2420 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2421 (implicit EFLAGS)]>;
2422 } // Defs = [EFLAGS]
2424 // Sign/Zero extenders
2425 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2426 // of the register here. This has a smaller encoding and avoids a
2427 // partial-register update.
2428 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2429 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2430 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2431 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2432 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2433 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2434 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2435 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2436 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2437 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2438 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2439 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2440 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2441 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2442 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2443 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2444 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2445 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2447 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2448 // of the register here. This has a smaller encoding and avoids a
2449 // partial-register update.
2450 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2451 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2452 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2453 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2454 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2455 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2456 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2457 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2458 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2459 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2460 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2461 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2462 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2463 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2464 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2465 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2466 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2467 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2469 let neverHasSideEffects = 1 in {
2470 let Defs = [AX], Uses = [AL] in
2471 def CBW : I<0x98, RawFrm, (outs), (ins),
2472 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2473 let Defs = [EAX], Uses = [AX] in
2474 def CWDE : I<0x98, RawFrm, (outs), (ins),
2475 "{cwtl|cwde}", []>; // EAX = signext(AX)
2477 let Defs = [AX,DX], Uses = [AX] in
2478 def CWD : I<0x99, RawFrm, (outs), (ins),
2479 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2480 let Defs = [EAX,EDX], Uses = [EAX] in
2481 def CDQ : I<0x99, RawFrm, (outs), (ins),
2482 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2485 //===----------------------------------------------------------------------===//
2486 // Alias Instructions
2487 //===----------------------------------------------------------------------===//
2489 // Alias instructions that map movr0 to xor.
2490 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2491 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2492 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2493 "xor{b}\t$dst, $dst",
2494 [(set GR8:$dst, 0)]>;
2495 // Use xorl instead of xorw since we don't care about the high 16 bits,
2496 // it's smaller, and it avoids a partial-register update.
2497 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2498 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2499 [(set GR16:$dst, 0)]>;
2500 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2501 "xor{l}\t$dst, $dst",
2502 [(set GR32:$dst, 0)]>;
2505 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2506 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2507 let neverHasSideEffects = 1 in {
2508 def MOV16to16_ : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16:$src),
2509 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2510 def MOV32to32_ : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32:$src),
2511 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2513 def MOV16_rr : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16_:$src),
2514 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2515 def MOV32_rr : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32_:$src),
2516 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2517 } // neverHasSideEffects
2519 let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
2520 def MOV16_rm : I<0x8B, MRMSrcMem, (outs GR16_:$dst), (ins i16mem:$src),
2521 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2522 def MOV32_rm : I<0x8B, MRMSrcMem, (outs GR32_:$dst), (ins i32mem:$src),
2523 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2525 let mayStore = 1, neverHasSideEffects = 1 in {
2526 def MOV16_mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16_:$src),
2527 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2528 def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
2529 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2532 //===----------------------------------------------------------------------===//
2533 // Thread Local Storage Instructions
2537 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2538 "leal\t${sym:mem}(,%ebx,1), $dst",
2539 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2541 let AddedComplexity = 10 in
2542 def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src),
2543 "movl\t%gs:($src), $dst",
2544 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2546 let AddedComplexity = 15 in
2547 def TLS_gs_ri : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
2548 "movl\t%gs:${src:mem}, $dst",
2550 (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>;
2552 def TLS_tp : I<0, Pseudo, (outs GR32:$dst), (ins),
2553 "movl\t%gs:0, $dst",
2554 [(set GR32:$dst, X86TLStp)]>;
2556 //===----------------------------------------------------------------------===//
2557 // DWARF Pseudo Instructions
2560 def DWARF_LOC : I<0, Pseudo, (outs),
2561 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2562 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2563 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2566 //===----------------------------------------------------------------------===//
2567 // EH Pseudo Instructions
2569 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2571 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
2572 "ret\t#eh_return, addr: $addr",
2573 [(X86ehret GR32:$addr)]>;
2577 //===----------------------------------------------------------------------===//
2581 // Atomic swap. These are just normal xchg instructions. But since a memory
2582 // operand is referenced, the atomicity is ensured.
2583 let Constraints = "$val = $dst" in {
2584 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2585 "xchg{l}\t{$val, $ptr|$ptr, $val}",
2586 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
2587 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2588 "xchg{w}\t{$val, $ptr|$ptr, $val}",
2589 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
2591 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2592 "xchg{b}\t{$val, $ptr|$ptr, $val}",
2593 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
2596 // Atomic compare and swap.
2597 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
2598 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
2599 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
2600 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
2602 let Defs = [EAX, EBX, ECX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
2603 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
2604 "lock\n\tcmpxchg8b\t$ptr",
2605 [(X86cas8 addr:$ptr)]>, TB, LOCK;
2608 let Defs = [AX, EFLAGS], Uses = [AX] in {
2609 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
2610 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
2611 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
2613 let Defs = [AL, EFLAGS], Uses = [AL] in {
2614 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
2615 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
2616 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
2619 // Atomic exchange and add
2620 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
2621 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2622 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
2623 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
2625 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2626 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
2627 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
2629 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2630 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
2631 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
2635 // Atomic exchange, and, or, xor
2636 let Constraints = "$val = $dst", Defs = [EFLAGS],
2637 usesCustomDAGSchedInserter = 1 in {
2638 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2639 "#ATOMAND32 PSUEDO!",
2640 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
2641 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2642 "#ATOMOR32 PSUEDO!",
2643 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
2644 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2645 "#ATOMXOR32 PSUEDO!",
2646 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
2647 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2648 "#ATOMNAND32 PSUEDO!",
2649 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
2650 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2651 "#ATOMMIN32 PSUEDO!",
2652 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
2653 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2654 "#ATOMMAX32 PSUEDO!",
2655 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
2656 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2657 "#ATOMUMIN32 PSUEDO!",
2658 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
2659 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2660 "#ATOMUMAX32 PSUEDO!",
2661 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
2663 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2664 "#ATOMAND16 PSUEDO!",
2665 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
2666 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2667 "#ATOMOR16 PSUEDO!",
2668 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
2669 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2670 "#ATOMXOR16 PSUEDO!",
2671 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
2672 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2673 "#ATOMNAND16 PSUEDO!",
2674 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
2675 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2676 "#ATOMMIN16 PSUEDO!",
2677 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
2678 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2679 "#ATOMMAX16 PSUEDO!",
2680 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
2681 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2682 "#ATOMUMIN16 PSUEDO!",
2683 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
2684 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2685 "#ATOMUMAX16 PSUEDO!",
2686 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
2688 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2689 "#ATOMAND8 PSUEDO!",
2690 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
2691 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2693 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
2694 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2695 "#ATOMXOR8 PSUEDO!",
2696 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
2697 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2698 "#ATOMNAND8 PSUEDO!",
2699 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
2702 //===----------------------------------------------------------------------===//
2703 // Non-Instruction Patterns
2704 //===----------------------------------------------------------------------===//
2706 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2707 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2708 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2709 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
2710 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2711 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2713 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2714 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2715 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2716 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2717 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2718 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2719 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2720 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2722 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2723 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2724 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2725 (MOV32mi addr:$dst, texternalsym:$src)>;
2729 def : Pat<(X86tailcall GR32:$dst),
2732 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2734 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2737 def : Pat<(X86tcret GR32:$dst, imm:$off),
2738 (TCRETURNri GR32:$dst, imm:$off)>;
2740 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
2741 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2743 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
2744 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2746 def : Pat<(X86call (i32 tglobaladdr:$dst)),
2747 (CALLpcrel32 tglobaladdr:$dst)>;
2748 def : Pat<(X86call (i32 texternalsym:$dst)),
2749 (CALLpcrel32 texternalsym:$dst)>;
2751 // X86 specific add which produces a flag.
2752 def : Pat<(addc GR32:$src1, GR32:$src2),
2753 (ADD32rr GR32:$src1, GR32:$src2)>;
2754 def : Pat<(addc GR32:$src1, (load addr:$src2)),
2755 (ADD32rm GR32:$src1, addr:$src2)>;
2756 def : Pat<(addc GR32:$src1, imm:$src2),
2757 (ADD32ri GR32:$src1, imm:$src2)>;
2758 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
2759 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
2761 def : Pat<(subc GR32:$src1, GR32:$src2),
2762 (SUB32rr GR32:$src1, GR32:$src2)>;
2763 def : Pat<(subc GR32:$src1, (load addr:$src2)),
2764 (SUB32rm GR32:$src1, addr:$src2)>;
2765 def : Pat<(subc GR32:$src1, imm:$src2),
2766 (SUB32ri GR32:$src1, imm:$src2)>;
2767 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
2768 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
2772 // TEST R,R is smaller than CMP R,0
2773 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
2774 (TEST8rr GR8:$src1, GR8:$src1)>;
2775 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
2776 (TEST16rr GR16:$src1, GR16:$src1)>;
2777 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
2778 (TEST32rr GR32:$src1, GR32:$src1)>;
2780 // zextload bool -> zextload byte
2781 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2782 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2783 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2785 // extload bool -> extload byte
2786 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2787 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
2788 Requires<[In32BitMode]>;
2789 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2790 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
2791 Requires<[In32BitMode]>;
2792 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2793 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2796 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
2797 Requires<[In32BitMode]>;
2798 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
2799 Requires<[In32BitMode]>;
2800 def : Pat<(i32 (anyext GR16:$src)),
2801 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
2803 // (and (i32 load), 255) -> (zextload i8)
2804 def : Pat<(i32 (and (loadi32 addr:$src), (i32 255))), (MOVZX32rm8 addr:$src)>;
2805 def : Pat<(i32 (and (loadi32 addr:$src), (i32 65535))),(MOVZX32rm16 addr:$src)>;
2807 //===----------------------------------------------------------------------===//
2809 //===----------------------------------------------------------------------===//
2811 // r & (2^16-1) ==> movz
2812 def : Pat<(and GR32:$src1, 0xffff),
2813 (MOVZX32rr16 (i16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit)))>;
2814 // r & (2^8-1) ==> movz
2815 def : Pat<(and GR32:$src1, 0xff),
2816 (MOVZX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src1),
2817 x86_subreg_8bit)))>,
2818 Requires<[In32BitMode]>;
2819 // r & (2^8-1) ==> movz
2820 def : Pat<(and GR16:$src1, 0xff),
2821 (MOVZX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src1),
2822 x86_subreg_8bit)))>,
2823 Requires<[In32BitMode]>;
2825 // sext_inreg patterns
2826 def : Pat<(sext_inreg GR32:$src, i16),
2827 (MOVSX32rr16 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)))>;
2828 def : Pat<(sext_inreg GR32:$src, i8),
2829 (MOVSX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src),
2830 x86_subreg_8bit)))>,
2831 Requires<[In32BitMode]>;
2832 def : Pat<(sext_inreg GR16:$src, i8),
2833 (MOVSX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src),
2834 x86_subreg_8bit)))>,
2835 Requires<[In32BitMode]>;
2838 def : Pat<(i16 (trunc GR32:$src)),
2839 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
2840 def : Pat<(i8 (trunc GR32:$src)),
2841 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>,
2842 Requires<[In32BitMode]>;
2843 def : Pat<(i8 (trunc GR16:$src)),
2844 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src), x86_subreg_8bit))>,
2845 Requires<[In32BitMode]>;
2847 // (shl x, 1) ==> (add x, x)
2848 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
2849 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
2850 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
2852 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2853 def : Pat<(or (srl GR32:$src1, CL:$amt),
2854 (shl GR32:$src2, (sub 32, CL:$amt))),
2855 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
2857 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2858 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2859 (SHRD32mrCL addr:$dst, GR32:$src2)>;
2861 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2862 def : Pat<(or (shl GR32:$src1, CL:$amt),
2863 (srl GR32:$src2, (sub 32, CL:$amt))),
2864 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
2866 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2867 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2868 (SHLD32mrCL addr:$dst, GR32:$src2)>;
2870 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2871 def : Pat<(or (srl GR16:$src1, CL:$amt),
2872 (shl GR16:$src2, (sub 16, CL:$amt))),
2873 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
2875 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2876 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2877 (SHRD16mrCL addr:$dst, GR16:$src2)>;
2879 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2880 def : Pat<(or (shl GR16:$src1, CL:$amt),
2881 (srl GR16:$src2, (sub 16, CL:$amt))),
2882 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
2884 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2885 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2886 (SHLD16mrCL addr:$dst, GR16:$src2)>;
2888 //===----------------------------------------------------------------------===//
2889 // Floating Point Stack Support
2890 //===----------------------------------------------------------------------===//
2892 include "X86InstrFPStack.td"
2894 //===----------------------------------------------------------------------===//
2896 //===----------------------------------------------------------------------===//
2898 include "X86Instr64bit.td"
2900 //===----------------------------------------------------------------------===//
2901 // XMM Floating point support (requires SSE / SSE2)
2902 //===----------------------------------------------------------------------===//
2904 include "X86InstrSSE.td"
2906 //===----------------------------------------------------------------------===//
2907 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2908 //===----------------------------------------------------------------------===//
2910 include "X86InstrMMX.td"