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<1, 2, [SDTCisVT<0, i32>, SDTCisSameAs<1, 2>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
37 def SDTX86BrCond : SDTypeProfile<0, 3,
38 [SDTCisVT<0, OtherVT>,
39 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
41 def SDTX86SetCC : SDTypeProfile<1, 2,
43 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
44 def SDTX86SetCC_C : SDTypeProfile<1, 2,
46 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
48 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
50 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
52 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
53 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
54 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
56 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
57 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
60 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
62 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
66 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
68 def SDTX86Void : SDTypeProfile<0, 0, []>;
70 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
72 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
74 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
76 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
78 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
80 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
81 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
82 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
83 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
85 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
86 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
88 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
89 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
91 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
92 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
94 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
95 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
97 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
100 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
101 [SDNPHasChain, SDNPMayStore,
102 SDNPMayLoad, SDNPMemOperand]>;
103 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
116 [SDNPHasChain, SDNPMayStore,
117 SDNPMayLoad, SDNPMemOperand]>;
118 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
119 [SDNPHasChain, SDNPMayStore,
120 SDNPMayLoad, SDNPMemOperand]>;
121 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
122 [SDNPHasChain, SDNPOptInFlag]>;
124 def X86vastart_save_xmm_regs :
125 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
126 SDT_X86VASTART_SAVE_XMM_REGS,
129 def X86callseq_start :
130 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
131 [SDNPHasChain, SDNPOutFlag]>;
133 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
134 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
136 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
137 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
139 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
140 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
141 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
142 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
145 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
146 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
148 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
149 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
151 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
152 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
153 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
154 SDT_X86SegmentBaseAddress, []>;
156 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
159 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
160 [SDNPHasChain, SDNPOptInFlag]>;
162 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
164 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
165 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
167 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
169 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
170 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
171 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
173 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
175 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
178 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
180 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
181 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
183 //===----------------------------------------------------------------------===//
184 // X86 Operand Definitions.
187 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
188 // the index operand of an address, to conform to x86 encoding restrictions.
189 def ptr_rc_nosp : PointerLikeRegClass<1>;
191 // *mem - Operand definitions for the funky X86 addressing mode operands.
193 def X86MemAsmOperand : AsmOperandClass {
197 def X86AbsMemAsmOperand : AsmOperandClass {
199 let SuperClass = X86MemAsmOperand;
201 def X86NoSegMemAsmOperand : AsmOperandClass {
202 let Name = "NoSegMem";
203 let SuperClass = X86MemAsmOperand;
205 class X86MemOperand<string printMethod> : Operand<iPTR> {
206 let PrintMethod = printMethod;
207 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
208 let ParserMatchClass = X86MemAsmOperand;
211 def opaque32mem : X86MemOperand<"printopaquemem">;
212 def opaque48mem : X86MemOperand<"printopaquemem">;
213 def opaque80mem : X86MemOperand<"printopaquemem">;
214 def opaque512mem : X86MemOperand<"printopaquemem">;
216 def i8mem : X86MemOperand<"printi8mem">;
217 def i16mem : X86MemOperand<"printi16mem">;
218 def i32mem : X86MemOperand<"printi32mem">;
219 def i64mem : X86MemOperand<"printi64mem">;
220 def i128mem : X86MemOperand<"printi128mem">;
221 //def i256mem : X86MemOperand<"printi256mem">;
222 def f32mem : X86MemOperand<"printf32mem">;
223 def f64mem : X86MemOperand<"printf64mem">;
224 def f80mem : X86MemOperand<"printf80mem">;
225 def f128mem : X86MemOperand<"printf128mem">;
226 //def f256mem : X86MemOperand<"printf256mem">;
228 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
229 // plain GR64, so that it doesn't potentially require a REX prefix.
230 def i8mem_NOREX : Operand<i64> {
231 let PrintMethod = "printi8mem";
232 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
233 let ParserMatchClass = X86MemAsmOperand;
236 // Special i32mem for addresses of load folding tail calls. These are not
237 // allowed to use callee-saved registers since they must be scheduled
238 // after callee-saved register are popped.
239 def i32mem_TC : Operand<i32> {
240 let PrintMethod = "printi32mem";
241 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
242 let ParserMatchClass = X86MemAsmOperand;
245 def lea32mem : Operand<i32> {
246 let PrintMethod = "printlea32mem";
247 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
248 let ParserMatchClass = X86NoSegMemAsmOperand;
251 let ParserMatchClass = X86AbsMemAsmOperand,
252 PrintMethod = "print_pcrel_imm" in {
253 def i32imm_pcrel : Operand<i32>;
255 def offset8 : Operand<i64>;
256 def offset16 : Operand<i64>;
257 def offset32 : Operand<i64>;
258 def offset64 : Operand<i64>;
260 // Branch targets have OtherVT type and print as pc-relative values.
261 def brtarget : Operand<OtherVT>;
262 def brtarget8 : Operand<OtherVT>;
266 def SSECC : Operand<i8> {
267 let PrintMethod = "printSSECC";
270 def ImmSExt8AsmOperand : AsmOperandClass {
271 let Name = "ImmSExt8";
272 let SuperClass = ImmAsmOperand;
275 // A couple of more descriptive operand definitions.
276 // 16-bits but only 8 bits are significant.
277 def i16i8imm : Operand<i16> {
278 let ParserMatchClass = ImmSExt8AsmOperand;
280 // 32-bits but only 8 bits are significant.
281 def i32i8imm : Operand<i32> {
282 let ParserMatchClass = ImmSExt8AsmOperand;
285 //===----------------------------------------------------------------------===//
286 // X86 Complex Pattern Definitions.
289 // Define X86 specific addressing mode.
290 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
291 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
292 [add, sub, mul, X86mul_imm, shl, or, frameindex],
294 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
295 [tglobaltlsaddr], []>;
297 //===----------------------------------------------------------------------===//
298 // X86 Instruction Predicate Definitions.
299 def HasCMov : Predicate<"Subtarget->hasCMov()">;
300 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
301 def HasMMX : Predicate<"Subtarget->hasMMX()">;
302 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
303 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
304 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
305 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
306 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
307 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
308 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
309 def HasAVX : Predicate<"Subtarget->hasAVX()">;
310 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
311 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
312 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
313 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
314 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
315 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
316 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
317 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
318 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
319 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
320 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
321 "TM.getCodeModel() != CodeModel::Kernel">;
322 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
323 "TM.getCodeModel() == CodeModel::Kernel">;
324 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
325 def OptForSize : Predicate<"OptForSize">;
326 def OptForSpeed : Predicate<"!OptForSize">;
327 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
328 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
330 //===----------------------------------------------------------------------===//
331 // X86 Instruction Format Definitions.
334 include "X86InstrFormats.td"
336 //===----------------------------------------------------------------------===//
337 // Pattern fragments...
340 // X86 specific condition code. These correspond to CondCode in
341 // X86InstrInfo.h. They must be kept in synch.
342 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
343 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
344 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
345 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
346 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
347 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
348 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
349 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
350 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
351 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
352 def X86_COND_NO : PatLeaf<(i8 10)>;
353 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
354 def X86_COND_NS : PatLeaf<(i8 12)>;
355 def X86_COND_O : PatLeaf<(i8 13)>;
356 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
357 def X86_COND_S : PatLeaf<(i8 15)>;
359 def immSext8 : PatLeaf<(imm), [{
360 return N->getSExtValue() == (int8_t)N->getSExtValue();
363 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
364 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
366 /// Load patterns: these constraint the match to the right address space.
367 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
368 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
369 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
370 if (PT->getAddressSpace() > 255)
375 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
376 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
377 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
378 return PT->getAddressSpace() == 256;
382 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
383 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
384 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
385 return PT->getAddressSpace() == 257;
390 // Helper fragments for loads.
391 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
392 // known to be 32-bit aligned or better. Ditto for i8 to i16.
393 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
394 LoadSDNode *LD = cast<LoadSDNode>(N);
395 if (const Value *Src = LD->getSrcValue())
396 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
397 if (PT->getAddressSpace() > 255)
399 ISD::LoadExtType ExtType = LD->getExtensionType();
400 if (ExtType == ISD::NON_EXTLOAD)
402 if (ExtType == ISD::EXTLOAD)
403 return LD->getAlignment() >= 2 && !LD->isVolatile();
407 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
408 LoadSDNode *LD = cast<LoadSDNode>(N);
409 if (const Value *Src = LD->getSrcValue())
410 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
411 if (PT->getAddressSpace() > 255)
413 ISD::LoadExtType ExtType = LD->getExtensionType();
414 if (ExtType == ISD::EXTLOAD)
415 return LD->getAlignment() >= 2 && !LD->isVolatile();
419 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
420 LoadSDNode *LD = cast<LoadSDNode>(N);
421 if (const Value *Src = LD->getSrcValue())
422 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
423 if (PT->getAddressSpace() > 255)
425 ISD::LoadExtType ExtType = LD->getExtensionType();
426 if (ExtType == ISD::NON_EXTLOAD)
428 if (ExtType == ISD::EXTLOAD)
429 return LD->getAlignment() >= 4 && !LD->isVolatile();
433 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
434 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
435 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
436 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
437 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
439 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
440 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
441 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
443 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
444 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
445 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
446 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
447 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
448 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
450 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
451 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
452 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
453 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
454 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
455 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
458 // An 'and' node with a single use.
459 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
460 return N->hasOneUse();
462 // An 'srl' node with a single use.
463 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
464 return N->hasOneUse();
466 // An 'trunc' node with a single use.
467 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
468 return N->hasOneUse();
471 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
472 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
473 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
474 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
476 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
477 APInt Mask = APInt::getAllOnesValue(BitWidth);
478 APInt KnownZero0, KnownOne0;
479 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
480 APInt KnownZero1, KnownOne1;
481 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
482 return (~KnownZero0 & ~KnownZero1) == 0;
486 // 'shld' and 'shrd' instruction patterns. Note that even though these have
487 // the srl and shl in their patterns, the C++ code must still check for them,
488 // because predicates are tested before children nodes are explored.
490 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
491 (or (srl node:$src1, node:$amt1),
492 (shl node:$src2, node:$amt2)), [{
493 assert(N->getOpcode() == ISD::OR);
494 return N->getOperand(0).getOpcode() == ISD::SRL &&
495 N->getOperand(1).getOpcode() == ISD::SHL &&
496 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
497 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
498 N->getOperand(0).getConstantOperandVal(1) ==
499 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
502 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
503 (or (shl node:$src1, node:$amt1),
504 (srl node:$src2, node:$amt2)), [{
505 assert(N->getOpcode() == ISD::OR);
506 return N->getOperand(0).getOpcode() == ISD::SHL &&
507 N->getOperand(1).getOpcode() == ISD::SRL &&
508 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
509 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
510 N->getOperand(0).getConstantOperandVal(1) ==
511 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
514 //===----------------------------------------------------------------------===//
515 // Instruction list...
518 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
519 // a stack adjustment and the codegen must know that they may modify the stack
520 // pointer before prolog-epilog rewriting occurs.
521 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
522 // sub / add which can clobber EFLAGS.
523 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
524 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
526 [(X86callseq_start timm:$amt)]>,
527 Requires<[In32BitMode]>;
528 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
530 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
531 Requires<[In32BitMode]>;
534 // x86-64 va_start lowering magic.
535 let usesCustomInserter = 1 in {
536 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
539 i64imm:$regsavefi, i64imm:$offset,
541 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
542 [(X86vastart_save_xmm_regs GR8:$al,
546 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
547 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
548 // one go. Touching the stack at 4K increments is necessary to ensure that the
549 // guard pages used by the OS virtual memory manager are allocated in correct
551 // The main point of having separate instruction are extra unmodelled effects
552 // (compared to ordinary calls) like stack pointer change.
554 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
555 "# dynamic stack allocation",
560 let neverHasSideEffects = 1 in {
561 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
562 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
563 "nop{w}\t$zero", []>, TB, OpSize;
564 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
565 "nop{l}\t$zero", []>, TB;
569 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int\t3", []>;
570 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
571 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
572 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
574 // PIC base construction. This expands to code that looks like this:
577 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
578 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
581 //===----------------------------------------------------------------------===//
582 // Control Flow Instructions.
585 // Return instructions.
586 let isTerminator = 1, isReturn = 1, isBarrier = 1,
587 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
588 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
591 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
593 [(X86retflag timm:$amt)]>;
594 def LRET : I <0xCB, RawFrm, (outs), (ins),
596 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
600 // Unconditional branches.
601 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
602 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
603 "jmp\t$dst", [(br bb:$dst)]>;
604 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
608 // Conditional Branches.
609 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
610 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
611 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
612 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
613 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
617 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
618 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
619 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
620 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
621 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
622 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
623 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
624 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
625 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
626 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
627 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
628 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
629 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
630 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
631 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
632 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
634 // FIXME: What about the CX/RCX versions of this instruction?
635 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
636 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
641 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
642 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
643 [(brind GR32:$dst)]>;
644 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
645 [(brind (loadi32 addr:$dst))]>;
647 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
648 (ins i16imm:$seg, i16imm:$off),
649 "ljmp{w}\t$seg, $off", []>, OpSize;
650 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
651 (ins i16imm:$seg, i32imm:$off),
652 "ljmp{l}\t$seg, $off", []>;
654 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
655 "ljmp{w}\t{*}$dst", []>, OpSize;
656 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
657 "ljmp{l}\t{*}$dst", []>;
663 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
664 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
665 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
667 //===----------------------------------------------------------------------===//
668 // Call Instructions...
671 // All calls clobber the non-callee saved registers. ESP is marked as
672 // a use to prevent stack-pointer assignments that appear immediately
673 // before calls from potentially appearing dead. Uses for argument
674 // registers are added manually.
675 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
676 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
677 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
678 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
680 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
681 (outs), (ins i32imm_pcrel:$dst,variable_ops),
683 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
684 "call\t{*}$dst", [(X86call GR32:$dst)]>;
685 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
686 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
688 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
689 (ins i16imm:$seg, i16imm:$off),
690 "lcall{w}\t$seg, $off", []>, OpSize;
691 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
692 (ins i16imm:$seg, i32imm:$off),
693 "lcall{l}\t$seg, $off", []>;
695 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
696 "lcall{w}\t{*}$dst", []>, OpSize;
697 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
698 "lcall{l}\t{*}$dst", []>;
701 // Constructing a stack frame.
703 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
704 "enter\t$len, $lvl", []>;
708 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
709 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
710 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
711 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
712 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
714 def TCRETURNdi : I<0, Pseudo, (outs),
715 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
716 "#TC_RETURN $dst $offset", []>;
717 def TCRETURNri : I<0, Pseudo, (outs),
718 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
719 "#TC_RETURN $dst $offset", []>;
720 def TCRETURNmi : I<0, Pseudo, (outs),
721 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
722 "#TC_RETURN $dst $offset", []>;
724 // FIXME: The should be pseudo instructions that are lowered when going to
726 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
727 (ins i32imm_pcrel:$dst, variable_ops),
728 "jmp\t$dst # TAILCALL",
730 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
731 "jmp{l}\t{*}$dst # TAILCALL",
733 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
734 "jmp{l}\t{*}$dst # TAILCALL", []>;
737 //===----------------------------------------------------------------------===//
738 // Miscellaneous Instructions...
740 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
741 def LEAVE : I<0xC9, RawFrm,
742 (outs), (ins), "leave", []>;
744 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
745 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
746 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
747 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
748 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
749 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
750 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
751 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
753 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
755 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
757 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
758 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
760 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
762 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
763 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
766 let mayStore = 1 in {
767 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
769 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
770 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
772 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
774 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
775 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
779 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
780 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
781 "push{l}\t$imm", []>;
782 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
783 "push{l}\t$imm", []>;
784 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
785 "push{l}\t$imm", []>;
788 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
789 def POPF : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
790 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf{l}", []>;
792 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
793 def PUSHF : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
794 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf{l}", []>;
797 let isTwoAddress = 1 in // GR32 = bswap GR32
798 def BSWAP32r : I<0xC8, AddRegFrm,
799 (outs GR32:$dst), (ins GR32:$src),
801 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
804 // Bit scan instructions.
805 let Defs = [EFLAGS] in {
806 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
807 "bsf{w}\t{$src, $dst|$dst, $src}",
808 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
809 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
810 "bsf{w}\t{$src, $dst|$dst, $src}",
811 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
812 (implicit EFLAGS)]>, TB;
813 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
814 "bsf{l}\t{$src, $dst|$dst, $src}",
815 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
816 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
817 "bsf{l}\t{$src, $dst|$dst, $src}",
818 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
819 (implicit EFLAGS)]>, TB;
821 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
822 "bsr{w}\t{$src, $dst|$dst, $src}",
823 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
824 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
825 "bsr{w}\t{$src, $dst|$dst, $src}",
826 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
827 (implicit EFLAGS)]>, TB;
828 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
829 "bsr{l}\t{$src, $dst|$dst, $src}",
830 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
831 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
832 "bsr{l}\t{$src, $dst|$dst, $src}",
833 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
834 (implicit EFLAGS)]>, TB;
837 let neverHasSideEffects = 1 in
838 def LEA16r : I<0x8D, MRMSrcMem,
839 (outs GR16:$dst), (ins lea32mem:$src),
840 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
841 let isReMaterializable = 1 in
842 def LEA32r : I<0x8D, MRMSrcMem,
843 (outs GR32:$dst), (ins lea32mem:$src),
844 "lea{l}\t{$src|$dst}, {$dst|$src}",
845 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
847 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
848 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
849 [(X86rep_movs i8)]>, REP;
850 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
851 [(X86rep_movs i16)]>, REP, OpSize;
852 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
853 [(X86rep_movs i32)]>, REP;
856 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
857 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
858 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
859 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
860 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
863 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
864 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
865 [(X86rep_stos i8)]>, REP;
866 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
867 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
868 [(X86rep_stos i16)]>, REP, OpSize;
869 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
870 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
871 [(X86rep_stos i32)]>, REP;
873 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
874 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
875 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
876 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
877 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
878 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
879 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
881 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
882 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
883 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
885 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
886 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
887 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
889 let Defs = [RAX, RDX] in
890 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
893 let Defs = [RAX, RCX, RDX] in
894 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
896 let isBarrier = 1, hasCtrlDep = 1 in {
897 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
900 def SYSCALL : I<0x05, RawFrm,
901 (outs), (ins), "syscall", []>, TB;
902 def SYSRET : I<0x07, RawFrm,
903 (outs), (ins), "sysret", []>, TB;
904 def SYSENTER : I<0x34, RawFrm,
905 (outs), (ins), "sysenter", []>, TB;
906 def SYSEXIT : I<0x35, RawFrm,
907 (outs), (ins), "sysexit", []>, TB;
909 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
912 //===----------------------------------------------------------------------===//
913 // Input/Output Instructions...
915 let Defs = [AL], Uses = [DX] in
916 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
917 "in{b}\t{%dx, %al|%AL, %DX}", []>;
918 let Defs = [AX], Uses = [DX] in
919 def IN16rr : I<0xED, RawFrm, (outs), (ins),
920 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
921 let Defs = [EAX], Uses = [DX] in
922 def IN32rr : I<0xED, RawFrm, (outs), (ins),
923 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
926 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
927 "in{b}\t{$port, %al|%AL, $port}", []>;
929 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
930 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
932 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
933 "in{l}\t{$port, %eax|%EAX, $port}", []>;
935 let Uses = [DX, AL] in
936 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
937 "out{b}\t{%al, %dx|%DX, %AL}", []>;
938 let Uses = [DX, AX] in
939 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
940 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
941 let Uses = [DX, EAX] in
942 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
943 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
946 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
947 "out{b}\t{%al, $port|$port, %AL}", []>;
949 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
950 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
952 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
953 "out{l}\t{%eax, $port|$port, %EAX}", []>;
955 def IN8 : I<0x6C, RawFrm, (outs), (ins),
957 def IN16 : I<0x6D, RawFrm, (outs), (ins),
958 "ins{w}", []>, OpSize;
959 def IN32 : I<0x6D, RawFrm, (outs), (ins),
962 //===----------------------------------------------------------------------===//
963 // Move Instructions...
965 let neverHasSideEffects = 1 in {
966 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
967 "mov{b}\t{$src, $dst|$dst, $src}", []>;
968 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
969 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
970 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
971 "mov{l}\t{$src, $dst|$dst, $src}", []>;
973 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
974 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
975 "mov{b}\t{$src, $dst|$dst, $src}",
976 [(set GR8:$dst, imm:$src)]>;
977 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
978 "mov{w}\t{$src, $dst|$dst, $src}",
979 [(set GR16:$dst, imm:$src)]>, OpSize;
980 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
981 "mov{l}\t{$src, $dst|$dst, $src}",
982 [(set GR32:$dst, imm:$src)]>;
985 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
986 "mov{b}\t{$src, $dst|$dst, $src}",
987 [(store (i8 imm:$src), addr:$dst)]>;
988 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
989 "mov{w}\t{$src, $dst|$dst, $src}",
990 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
991 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
992 "mov{l}\t{$src, $dst|$dst, $src}",
993 [(store (i32 imm:$src), addr:$dst)]>;
995 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins offset8:$src),
996 "mov{b}\t{$src, %al|%al, $src}", []>;
997 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins offset16:$src),
998 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
999 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1000 "mov{l}\t{$src, %eax|%eax, $src}", []>;
1002 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1003 "mov{b}\t{%al, $dst|$dst, %al}", []>;
1004 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1005 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
1006 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1007 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
1009 // Moves to and from segment registers
1010 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1011 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1012 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1013 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1014 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1015 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1016 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1017 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1019 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1020 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1021 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1022 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1023 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1024 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1026 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1027 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1028 "mov{b}\t{$src, $dst|$dst, $src}",
1029 [(set GR8:$dst, (loadi8 addr:$src))]>;
1030 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1031 "mov{w}\t{$src, $dst|$dst, $src}",
1032 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1033 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1034 "mov{l}\t{$src, $dst|$dst, $src}",
1035 [(set GR32:$dst, (loadi32 addr:$src))]>;
1038 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1039 "mov{b}\t{$src, $dst|$dst, $src}",
1040 [(store GR8:$src, addr:$dst)]>;
1041 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1042 "mov{w}\t{$src, $dst|$dst, $src}",
1043 [(store GR16:$src, addr:$dst)]>, OpSize;
1044 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1045 "mov{l}\t{$src, $dst|$dst, $src}",
1046 [(store GR32:$src, addr:$dst)]>;
1048 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1049 let neverHasSideEffects = 1 in
1050 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1051 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1054 canFoldAsLoad = 1, isReMaterializable = 1 in
1055 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1056 "mov{l}\t{$src, $dst|$dst, $src}",
1060 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1061 "mov{l}\t{$src, $dst|$dst, $src}",
1064 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1065 // that they can be used for copying and storing h registers, which can't be
1066 // encoded when a REX prefix is present.
1067 let neverHasSideEffects = 1 in
1068 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1069 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1070 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1072 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1073 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1074 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1076 canFoldAsLoad = 1, isReMaterializable = 1 in
1077 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1078 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1079 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1081 // Moves to and from debug registers
1082 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1083 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1084 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1085 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1087 // Moves to and from control registers
1088 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG_32:$src),
1089 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1090 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG_32:$dst), (ins GR32:$src),
1091 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1093 //===----------------------------------------------------------------------===//
1094 // Fixed-Register Multiplication and Division Instructions...
1097 // Extra precision multiplication
1099 // AL is really implied by AX, by the registers in Defs must match the
1100 // SDNode results (i8, i32).
1101 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1102 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1103 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1104 // This probably ought to be moved to a def : Pat<> if the
1105 // syntax can be accepted.
1106 [(set AL, (mul AL, GR8:$src)),
1107 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1109 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1110 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1112 []>, OpSize; // AX,DX = AX*GR16
1114 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1115 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1117 []>; // EAX,EDX = EAX*GR32
1119 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1120 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1122 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1123 // This probably ought to be moved to a def : Pat<> if the
1124 // syntax can be accepted.
1125 [(set AL, (mul AL, (loadi8 addr:$src))),
1126 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1128 let mayLoad = 1, neverHasSideEffects = 1 in {
1129 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1130 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1132 []>, OpSize; // AX,DX = AX*[mem16]
1134 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1135 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1137 []>; // EAX,EDX = EAX*[mem32]
1140 let neverHasSideEffects = 1 in {
1141 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1142 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1144 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1145 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1146 OpSize; // AX,DX = AX*GR16
1147 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1148 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1149 // EAX,EDX = EAX*GR32
1150 let mayLoad = 1 in {
1151 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1152 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1153 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1154 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1155 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1156 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1157 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1158 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1159 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1161 } // neverHasSideEffects
1163 // unsigned division/remainder
1164 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1165 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1166 "div{b}\t$src", []>;
1167 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1168 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1169 "div{w}\t$src", []>, OpSize;
1170 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1171 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1172 "div{l}\t$src", []>;
1173 let mayLoad = 1 in {
1174 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1175 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1176 "div{b}\t$src", []>;
1177 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1178 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1179 "div{w}\t$src", []>, OpSize;
1180 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1181 // EDX:EAX/[mem32] = EAX,EDX
1182 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1183 "div{l}\t$src", []>;
1186 // Signed division/remainder.
1187 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1188 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1189 "idiv{b}\t$src", []>;
1190 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1191 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1192 "idiv{w}\t$src", []>, OpSize;
1193 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1194 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1195 "idiv{l}\t$src", []>;
1196 let mayLoad = 1, mayLoad = 1 in {
1197 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1198 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1199 "idiv{b}\t$src", []>;
1200 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1201 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1202 "idiv{w}\t$src", []>, OpSize;
1203 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1204 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1205 // EDX:EAX/[mem32] = EAX,EDX
1206 "idiv{l}\t$src", []>;
1209 //===----------------------------------------------------------------------===//
1210 // Two address Instructions.
1212 let isTwoAddress = 1 in {
1214 // Conditional moves
1215 let Uses = [EFLAGS] in {
1217 let Predicates = [HasCMov] in {
1218 let isCommutable = 1 in {
1219 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1220 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1221 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1222 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1223 X86_COND_B, EFLAGS))]>,
1225 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1226 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1227 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1228 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1229 X86_COND_B, EFLAGS))]>,
1231 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1232 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1233 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1234 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1235 X86_COND_AE, EFLAGS))]>,
1237 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1238 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1239 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1240 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1241 X86_COND_AE, EFLAGS))]>,
1243 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1244 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1245 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1246 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1247 X86_COND_E, EFLAGS))]>,
1249 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1250 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1251 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1252 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1253 X86_COND_E, EFLAGS))]>,
1255 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1256 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1257 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1258 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1259 X86_COND_NE, EFLAGS))]>,
1261 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1262 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1263 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1264 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1265 X86_COND_NE, EFLAGS))]>,
1267 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1268 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1269 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1270 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1271 X86_COND_BE, EFLAGS))]>,
1273 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1274 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1275 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1276 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1277 X86_COND_BE, EFLAGS))]>,
1279 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1280 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1281 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1282 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1283 X86_COND_A, EFLAGS))]>,
1285 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1286 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1287 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1288 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1289 X86_COND_A, EFLAGS))]>,
1291 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1292 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1293 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1294 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1295 X86_COND_L, EFLAGS))]>,
1297 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1298 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1299 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1300 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1301 X86_COND_L, EFLAGS))]>,
1303 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1304 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1305 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1306 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1307 X86_COND_GE, EFLAGS))]>,
1309 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1310 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1311 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1312 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1313 X86_COND_GE, EFLAGS))]>,
1315 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1316 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1317 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1318 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1319 X86_COND_LE, EFLAGS))]>,
1321 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1322 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1323 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1324 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1325 X86_COND_LE, EFLAGS))]>,
1327 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1328 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1329 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1330 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1331 X86_COND_G, EFLAGS))]>,
1333 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1334 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1335 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1336 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1337 X86_COND_G, EFLAGS))]>,
1339 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1340 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1341 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1342 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1343 X86_COND_S, EFLAGS))]>,
1345 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1346 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1347 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1348 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1349 X86_COND_S, EFLAGS))]>,
1351 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1352 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1353 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1354 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1355 X86_COND_NS, EFLAGS))]>,
1357 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1358 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1359 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1360 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1361 X86_COND_NS, EFLAGS))]>,
1363 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1364 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1365 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1366 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1367 X86_COND_P, EFLAGS))]>,
1369 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1370 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1371 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1372 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1373 X86_COND_P, EFLAGS))]>,
1375 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1376 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1377 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1378 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1379 X86_COND_NP, EFLAGS))]>,
1381 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1382 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1383 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1384 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1385 X86_COND_NP, EFLAGS))]>,
1387 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1388 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1389 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1390 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1391 X86_COND_O, EFLAGS))]>,
1393 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1394 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1395 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1396 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1397 X86_COND_O, EFLAGS))]>,
1399 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1400 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1401 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1402 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1403 X86_COND_NO, EFLAGS))]>,
1405 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1406 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1407 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1408 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1409 X86_COND_NO, EFLAGS))]>,
1411 } // isCommutable = 1
1413 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1414 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1415 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1416 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1417 X86_COND_B, EFLAGS))]>,
1419 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1420 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1421 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1422 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1423 X86_COND_B, EFLAGS))]>,
1425 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1426 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1427 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1428 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1429 X86_COND_AE, EFLAGS))]>,
1431 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1432 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1433 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1434 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1435 X86_COND_AE, EFLAGS))]>,
1437 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1438 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1439 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1440 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1441 X86_COND_E, EFLAGS))]>,
1443 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1444 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1445 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1446 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1447 X86_COND_E, EFLAGS))]>,
1449 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1450 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1451 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1452 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1453 X86_COND_NE, EFLAGS))]>,
1455 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1456 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1457 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1458 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1459 X86_COND_NE, EFLAGS))]>,
1461 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1462 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1463 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1464 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1465 X86_COND_BE, EFLAGS))]>,
1467 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1468 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1469 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1470 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1471 X86_COND_BE, EFLAGS))]>,
1473 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1474 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1475 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1476 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1477 X86_COND_A, EFLAGS))]>,
1479 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1480 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1481 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1482 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1483 X86_COND_A, EFLAGS))]>,
1485 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1486 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1487 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1488 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1489 X86_COND_L, EFLAGS))]>,
1491 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1492 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1493 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1494 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1495 X86_COND_L, EFLAGS))]>,
1497 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1498 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1499 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1500 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1501 X86_COND_GE, EFLAGS))]>,
1503 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1504 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1505 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1506 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1507 X86_COND_GE, EFLAGS))]>,
1509 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1510 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1511 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1512 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1513 X86_COND_LE, EFLAGS))]>,
1515 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1516 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1517 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1518 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1519 X86_COND_LE, EFLAGS))]>,
1521 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1522 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1523 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1524 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1525 X86_COND_G, EFLAGS))]>,
1527 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1528 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1529 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1530 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1531 X86_COND_G, EFLAGS))]>,
1533 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1534 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1535 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1536 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1537 X86_COND_S, EFLAGS))]>,
1539 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1540 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1541 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1542 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1543 X86_COND_S, EFLAGS))]>,
1545 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1546 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1547 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1548 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1549 X86_COND_NS, EFLAGS))]>,
1551 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1552 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1553 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1554 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1555 X86_COND_NS, EFLAGS))]>,
1557 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1558 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1559 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1560 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1561 X86_COND_P, EFLAGS))]>,
1563 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1564 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1565 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1566 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1567 X86_COND_P, EFLAGS))]>,
1569 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1570 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1571 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1572 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1573 X86_COND_NP, EFLAGS))]>,
1575 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1576 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1577 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1578 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1579 X86_COND_NP, EFLAGS))]>,
1581 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1582 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1583 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1584 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1585 X86_COND_O, EFLAGS))]>,
1587 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1588 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1589 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1590 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1591 X86_COND_O, EFLAGS))]>,
1593 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1594 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1595 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1596 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1597 X86_COND_NO, EFLAGS))]>,
1599 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1600 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1601 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1602 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1603 X86_COND_NO, EFLAGS))]>,
1605 } // Predicates = [HasCMov]
1607 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1608 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1609 // however that requires promoting the operands, and can induce additional
1610 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1611 // clobber EFLAGS, because if one of the operands is zero, the expansion
1612 // could involve an xor.
1613 let usesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in {
1614 def CMOV_GR8 : I<0, Pseudo,
1615 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1616 "#CMOV_GR8 PSEUDO!",
1617 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1618 imm:$cond, EFLAGS))]>;
1620 let Predicates = [NoCMov] in {
1621 def CMOV_GR32 : I<0, Pseudo,
1622 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1623 "#CMOV_GR32* PSEUDO!",
1625 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1626 def CMOV_GR16 : I<0, Pseudo,
1627 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1628 "#CMOV_GR16* PSEUDO!",
1630 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1631 def CMOV_RFP32 : I<0, Pseudo,
1632 (outs RFP32:$dst), (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1633 "#CMOV_RFP32 PSEUDO!",
1634 [(set RFP32:$dst, (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1636 def CMOV_RFP64 : I<0, Pseudo,
1637 (outs RFP64:$dst), (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1638 "#CMOV_RFP64 PSEUDO!",
1639 [(set RFP64:$dst, (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1641 def CMOV_RFP80 : I<0, Pseudo,
1642 (outs RFP80:$dst), (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1643 "#CMOV_RFP80 PSEUDO!",
1644 [(set RFP80:$dst, (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1646 } // Predicates = [NoCMov]
1647 } // UsesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS]
1648 } // Uses = [EFLAGS]
1651 // unary instructions
1652 let CodeSize = 2 in {
1653 let Defs = [EFLAGS] in {
1654 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1655 [(set GR8:$dst, (ineg GR8:$src)),
1656 (implicit EFLAGS)]>;
1657 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1658 [(set GR16:$dst, (ineg GR16:$src)),
1659 (implicit EFLAGS)]>, OpSize;
1660 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1661 [(set GR32:$dst, (ineg GR32:$src)),
1662 (implicit EFLAGS)]>;
1663 let isTwoAddress = 0 in {
1664 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1665 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1666 (implicit EFLAGS)]>;
1667 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1668 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1669 (implicit EFLAGS)]>, OpSize;
1670 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1671 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1672 (implicit EFLAGS)]>;
1674 } // Defs = [EFLAGS]
1676 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1677 let AddedComplexity = 15 in {
1678 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1679 [(set GR8:$dst, (not GR8:$src))]>;
1680 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1681 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1682 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1683 [(set GR32:$dst, (not GR32:$src))]>;
1685 let isTwoAddress = 0 in {
1686 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1687 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1688 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1689 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1690 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1691 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1695 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1696 let Defs = [EFLAGS] in {
1698 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1699 [(set GR8:$dst, (add GR8:$src, 1)),
1700 (implicit EFLAGS)]>;
1701 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1702 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1704 [(set GR16:$dst, (add GR16:$src, 1)),
1705 (implicit EFLAGS)]>,
1706 OpSize, Requires<[In32BitMode]>;
1707 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1709 [(set GR32:$dst, (add GR32:$src, 1)),
1710 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1712 let isTwoAddress = 0, CodeSize = 2 in {
1713 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1714 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1715 (implicit EFLAGS)]>;
1716 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1717 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1718 (implicit EFLAGS)]>,
1719 OpSize, Requires<[In32BitMode]>;
1720 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1721 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1722 (implicit EFLAGS)]>,
1723 Requires<[In32BitMode]>;
1727 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1728 [(set GR8:$dst, (add GR8:$src, -1)),
1729 (implicit EFLAGS)]>;
1730 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1731 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1733 [(set GR16:$dst, (add GR16:$src, -1)),
1734 (implicit EFLAGS)]>,
1735 OpSize, Requires<[In32BitMode]>;
1736 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1738 [(set GR32:$dst, (add GR32:$src, -1)),
1739 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1742 let isTwoAddress = 0, CodeSize = 2 in {
1743 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1744 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1745 (implicit EFLAGS)]>;
1746 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1747 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1748 (implicit EFLAGS)]>,
1749 OpSize, Requires<[In32BitMode]>;
1750 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1751 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1752 (implicit EFLAGS)]>,
1753 Requires<[In32BitMode]>;
1755 } // Defs = [EFLAGS]
1757 // Logical operators...
1758 let Defs = [EFLAGS] in {
1759 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1760 def AND8rr : I<0x20, MRMDestReg,
1761 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1762 "and{b}\t{$src2, $dst|$dst, $src2}",
1763 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1764 (implicit EFLAGS)]>;
1765 def AND16rr : I<0x21, MRMDestReg,
1766 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1767 "and{w}\t{$src2, $dst|$dst, $src2}",
1768 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1769 (implicit EFLAGS)]>, OpSize;
1770 def AND32rr : I<0x21, MRMDestReg,
1771 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1772 "and{l}\t{$src2, $dst|$dst, $src2}",
1773 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1774 (implicit EFLAGS)]>;
1777 // AND instructions with the destination register in REG and the source register
1778 // in R/M. Included for the disassembler.
1779 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1780 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1781 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1782 (ins GR16:$src1, GR16:$src2),
1783 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1784 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1785 (ins GR32:$src1, GR32:$src2),
1786 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1788 def AND8rm : I<0x22, MRMSrcMem,
1789 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1790 "and{b}\t{$src2, $dst|$dst, $src2}",
1791 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1792 (implicit EFLAGS)]>;
1793 def AND16rm : I<0x23, MRMSrcMem,
1794 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1795 "and{w}\t{$src2, $dst|$dst, $src2}",
1796 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1797 (implicit EFLAGS)]>, OpSize;
1798 def AND32rm : I<0x23, MRMSrcMem,
1799 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1800 "and{l}\t{$src2, $dst|$dst, $src2}",
1801 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1802 (implicit EFLAGS)]>;
1804 def AND8ri : Ii8<0x80, MRM4r,
1805 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1806 "and{b}\t{$src2, $dst|$dst, $src2}",
1807 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1808 (implicit EFLAGS)]>;
1809 def AND16ri : Ii16<0x81, MRM4r,
1810 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1811 "and{w}\t{$src2, $dst|$dst, $src2}",
1812 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1813 (implicit EFLAGS)]>, OpSize;
1814 def AND32ri : Ii32<0x81, MRM4r,
1815 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1816 "and{l}\t{$src2, $dst|$dst, $src2}",
1817 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1818 (implicit EFLAGS)]>;
1819 def AND16ri8 : Ii8<0x83, MRM4r,
1820 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1821 "and{w}\t{$src2, $dst|$dst, $src2}",
1822 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1823 (implicit EFLAGS)]>,
1825 def AND32ri8 : Ii8<0x83, MRM4r,
1826 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1827 "and{l}\t{$src2, $dst|$dst, $src2}",
1828 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1829 (implicit EFLAGS)]>;
1831 let isTwoAddress = 0 in {
1832 def AND8mr : I<0x20, MRMDestMem,
1833 (outs), (ins i8mem :$dst, GR8 :$src),
1834 "and{b}\t{$src, $dst|$dst, $src}",
1835 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1836 (implicit EFLAGS)]>;
1837 def AND16mr : I<0x21, MRMDestMem,
1838 (outs), (ins i16mem:$dst, GR16:$src),
1839 "and{w}\t{$src, $dst|$dst, $src}",
1840 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1841 (implicit EFLAGS)]>,
1843 def AND32mr : I<0x21, MRMDestMem,
1844 (outs), (ins i32mem:$dst, GR32:$src),
1845 "and{l}\t{$src, $dst|$dst, $src}",
1846 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1847 (implicit EFLAGS)]>;
1848 def AND8mi : Ii8<0x80, MRM4m,
1849 (outs), (ins i8mem :$dst, i8imm :$src),
1850 "and{b}\t{$src, $dst|$dst, $src}",
1851 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1852 (implicit EFLAGS)]>;
1853 def AND16mi : Ii16<0x81, MRM4m,
1854 (outs), (ins i16mem:$dst, i16imm:$src),
1855 "and{w}\t{$src, $dst|$dst, $src}",
1856 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1857 (implicit EFLAGS)]>,
1859 def AND32mi : Ii32<0x81, MRM4m,
1860 (outs), (ins i32mem:$dst, i32imm:$src),
1861 "and{l}\t{$src, $dst|$dst, $src}",
1862 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1863 (implicit EFLAGS)]>;
1864 def AND16mi8 : Ii8<0x83, MRM4m,
1865 (outs), (ins i16mem:$dst, i16i8imm :$src),
1866 "and{w}\t{$src, $dst|$dst, $src}",
1867 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1868 (implicit EFLAGS)]>,
1870 def AND32mi8 : Ii8<0x83, MRM4m,
1871 (outs), (ins i32mem:$dst, i32i8imm :$src),
1872 "and{l}\t{$src, $dst|$dst, $src}",
1873 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1874 (implicit EFLAGS)]>;
1876 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1877 "and{b}\t{$src, %al|%al, $src}", []>;
1878 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1879 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1880 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1881 "and{l}\t{$src, %eax|%eax, $src}", []>;
1886 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1887 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1888 (ins GR8 :$src1, GR8 :$src2),
1889 "or{b}\t{$src2, $dst|$dst, $src2}",
1890 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1891 (implicit EFLAGS)]>;
1892 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1893 (ins GR16:$src1, GR16:$src2),
1894 "or{w}\t{$src2, $dst|$dst, $src2}",
1895 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1896 (implicit EFLAGS)]>, OpSize;
1897 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1898 (ins GR32:$src1, GR32:$src2),
1899 "or{l}\t{$src2, $dst|$dst, $src2}",
1900 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1901 (implicit EFLAGS)]>;
1904 // OR instructions with the destination register in REG and the source register
1905 // in R/M. Included for the disassembler.
1906 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1907 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1908 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1909 (ins GR16:$src1, GR16:$src2),
1910 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1911 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1912 (ins GR32:$src1, GR32:$src2),
1913 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1915 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst),
1916 (ins GR8 :$src1, i8mem :$src2),
1917 "or{b}\t{$src2, $dst|$dst, $src2}",
1918 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1919 (implicit EFLAGS)]>;
1920 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst),
1921 (ins GR16:$src1, i16mem:$src2),
1922 "or{w}\t{$src2, $dst|$dst, $src2}",
1923 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1924 (implicit EFLAGS)]>, OpSize;
1925 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst),
1926 (ins GR32:$src1, i32mem:$src2),
1927 "or{l}\t{$src2, $dst|$dst, $src2}",
1928 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1929 (implicit EFLAGS)]>;
1931 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1932 (ins GR8 :$src1, i8imm:$src2),
1933 "or{b}\t{$src2, $dst|$dst, $src2}",
1934 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1935 (implicit EFLAGS)]>;
1936 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1937 (ins GR16:$src1, i16imm:$src2),
1938 "or{w}\t{$src2, $dst|$dst, $src2}",
1939 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1940 (implicit EFLAGS)]>, OpSize;
1941 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1942 (ins GR32:$src1, i32imm:$src2),
1943 "or{l}\t{$src2, $dst|$dst, $src2}",
1944 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1945 (implicit EFLAGS)]>;
1947 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1948 (ins GR16:$src1, i16i8imm:$src2),
1949 "or{w}\t{$src2, $dst|$dst, $src2}",
1950 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1951 (implicit EFLAGS)]>, OpSize;
1952 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1953 (ins GR32:$src1, i32i8imm:$src2),
1954 "or{l}\t{$src2, $dst|$dst, $src2}",
1955 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1956 (implicit EFLAGS)]>;
1957 let isTwoAddress = 0 in {
1958 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1959 "or{b}\t{$src, $dst|$dst, $src}",
1960 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1961 (implicit EFLAGS)]>;
1962 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1963 "or{w}\t{$src, $dst|$dst, $src}",
1964 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1965 (implicit EFLAGS)]>, OpSize;
1966 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1967 "or{l}\t{$src, $dst|$dst, $src}",
1968 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1969 (implicit EFLAGS)]>;
1970 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1971 "or{b}\t{$src, $dst|$dst, $src}",
1972 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1973 (implicit EFLAGS)]>;
1974 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1975 "or{w}\t{$src, $dst|$dst, $src}",
1976 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1977 (implicit EFLAGS)]>,
1979 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1980 "or{l}\t{$src, $dst|$dst, $src}",
1981 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1982 (implicit EFLAGS)]>;
1983 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1984 "or{w}\t{$src, $dst|$dst, $src}",
1985 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1986 (implicit EFLAGS)]>,
1988 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1989 "or{l}\t{$src, $dst|$dst, $src}",
1990 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1991 (implicit EFLAGS)]>;
1993 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1994 "or{b}\t{$src, %al|%al, $src}", []>;
1995 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1996 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1997 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1998 "or{l}\t{$src, %eax|%eax, $src}", []>;
1999 } // isTwoAddress = 0
2002 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2003 def XOR8rr : I<0x30, MRMDestReg,
2004 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2005 "xor{b}\t{$src2, $dst|$dst, $src2}",
2006 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
2007 (implicit EFLAGS)]>;
2008 def XOR16rr : I<0x31, MRMDestReg,
2009 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2010 "xor{w}\t{$src2, $dst|$dst, $src2}",
2011 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
2012 (implicit EFLAGS)]>, OpSize;
2013 def XOR32rr : I<0x31, MRMDestReg,
2014 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2015 "xor{l}\t{$src2, $dst|$dst, $src2}",
2016 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
2017 (implicit EFLAGS)]>;
2018 } // isCommutable = 1
2020 // XOR instructions with the destination register in REG and the source register
2021 // in R/M. Included for the disassembler.
2022 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2023 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2024 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2025 (ins GR16:$src1, GR16:$src2),
2026 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2027 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2028 (ins GR32:$src1, GR32:$src2),
2029 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2031 def XOR8rm : I<0x32, MRMSrcMem ,
2032 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2033 "xor{b}\t{$src2, $dst|$dst, $src2}",
2034 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
2035 (implicit EFLAGS)]>;
2036 def XOR16rm : I<0x33, MRMSrcMem ,
2037 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2038 "xor{w}\t{$src2, $dst|$dst, $src2}",
2039 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
2040 (implicit EFLAGS)]>,
2042 def XOR32rm : I<0x33, MRMSrcMem ,
2043 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2044 "xor{l}\t{$src2, $dst|$dst, $src2}",
2045 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
2046 (implicit EFLAGS)]>;
2048 def XOR8ri : Ii8<0x80, MRM6r,
2049 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2050 "xor{b}\t{$src2, $dst|$dst, $src2}",
2051 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
2052 (implicit EFLAGS)]>;
2053 def XOR16ri : Ii16<0x81, MRM6r,
2054 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2055 "xor{w}\t{$src2, $dst|$dst, $src2}",
2056 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
2057 (implicit EFLAGS)]>, OpSize;
2058 def XOR32ri : Ii32<0x81, MRM6r,
2059 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2060 "xor{l}\t{$src2, $dst|$dst, $src2}",
2061 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
2062 (implicit EFLAGS)]>;
2063 def XOR16ri8 : Ii8<0x83, MRM6r,
2064 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2065 "xor{w}\t{$src2, $dst|$dst, $src2}",
2066 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
2067 (implicit EFLAGS)]>,
2069 def XOR32ri8 : Ii8<0x83, MRM6r,
2070 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2071 "xor{l}\t{$src2, $dst|$dst, $src2}",
2072 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
2073 (implicit EFLAGS)]>;
2075 let isTwoAddress = 0 in {
2076 def XOR8mr : I<0x30, MRMDestMem,
2077 (outs), (ins i8mem :$dst, GR8 :$src),
2078 "xor{b}\t{$src, $dst|$dst, $src}",
2079 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2080 (implicit EFLAGS)]>;
2081 def XOR16mr : I<0x31, MRMDestMem,
2082 (outs), (ins i16mem:$dst, GR16:$src),
2083 "xor{w}\t{$src, $dst|$dst, $src}",
2084 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2085 (implicit EFLAGS)]>,
2087 def XOR32mr : I<0x31, MRMDestMem,
2088 (outs), (ins i32mem:$dst, GR32:$src),
2089 "xor{l}\t{$src, $dst|$dst, $src}",
2090 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2091 (implicit EFLAGS)]>;
2092 def XOR8mi : Ii8<0x80, MRM6m,
2093 (outs), (ins i8mem :$dst, i8imm :$src),
2094 "xor{b}\t{$src, $dst|$dst, $src}",
2095 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2096 (implicit EFLAGS)]>;
2097 def XOR16mi : Ii16<0x81, MRM6m,
2098 (outs), (ins i16mem:$dst, i16imm:$src),
2099 "xor{w}\t{$src, $dst|$dst, $src}",
2100 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2101 (implicit EFLAGS)]>,
2103 def XOR32mi : Ii32<0x81, MRM6m,
2104 (outs), (ins i32mem:$dst, i32imm:$src),
2105 "xor{l}\t{$src, $dst|$dst, $src}",
2106 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2107 (implicit EFLAGS)]>;
2108 def XOR16mi8 : Ii8<0x83, MRM6m,
2109 (outs), (ins i16mem:$dst, i16i8imm :$src),
2110 "xor{w}\t{$src, $dst|$dst, $src}",
2111 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2112 (implicit EFLAGS)]>,
2114 def XOR32mi8 : Ii8<0x83, MRM6m,
2115 (outs), (ins i32mem:$dst, i32i8imm :$src),
2116 "xor{l}\t{$src, $dst|$dst, $src}",
2117 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2118 (implicit EFLAGS)]>;
2120 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2121 "xor{b}\t{$src, %al|%al, $src}", []>;
2122 def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
2123 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2124 def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
2125 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2126 } // isTwoAddress = 0
2127 } // Defs = [EFLAGS]
2129 // Shift instructions
2130 let Defs = [EFLAGS] in {
2131 let Uses = [CL] in {
2132 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
2133 "shl{b}\t{%cl, $dst|$dst, CL}",
2134 [(set GR8:$dst, (shl GR8:$src, CL))]>;
2135 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
2136 "shl{w}\t{%cl, $dst|$dst, CL}",
2137 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
2138 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
2139 "shl{l}\t{%cl, $dst|$dst, CL}",
2140 [(set GR32:$dst, (shl GR32:$src, CL))]>;
2143 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2144 "shl{b}\t{$src2, $dst|$dst, $src2}",
2145 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2146 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2147 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2148 "shl{w}\t{$src2, $dst|$dst, $src2}",
2149 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2150 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2151 "shl{l}\t{$src2, $dst|$dst, $src2}",
2152 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2154 // NOTE: We don't include patterns for shifts of a register by one, because
2155 // 'add reg,reg' is cheaper.
2157 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2158 "shl{b}\t$dst", []>;
2159 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2160 "shl{w}\t$dst", []>, OpSize;
2161 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2162 "shl{l}\t$dst", []>;
2164 } // isConvertibleToThreeAddress = 1
2166 let isTwoAddress = 0 in {
2167 let Uses = [CL] in {
2168 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2169 "shl{b}\t{%cl, $dst|$dst, CL}",
2170 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2171 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2172 "shl{w}\t{%cl, $dst|$dst, CL}",
2173 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2174 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2175 "shl{l}\t{%cl, $dst|$dst, CL}",
2176 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2178 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2179 "shl{b}\t{$src, $dst|$dst, $src}",
2180 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2181 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2182 "shl{w}\t{$src, $dst|$dst, $src}",
2183 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2185 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2186 "shl{l}\t{$src, $dst|$dst, $src}",
2187 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2190 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2192 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2193 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2195 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2197 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2199 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2202 let Uses = [CL] in {
2203 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2204 "shr{b}\t{%cl, $dst|$dst, CL}",
2205 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2206 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2207 "shr{w}\t{%cl, $dst|$dst, CL}",
2208 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2209 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2210 "shr{l}\t{%cl, $dst|$dst, CL}",
2211 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2214 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2215 "shr{b}\t{$src2, $dst|$dst, $src2}",
2216 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2217 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2218 "shr{w}\t{$src2, $dst|$dst, $src2}",
2219 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2220 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2221 "shr{l}\t{$src2, $dst|$dst, $src2}",
2222 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2225 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2227 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2228 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2230 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2231 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2233 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2235 let isTwoAddress = 0 in {
2236 let Uses = [CL] in {
2237 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2238 "shr{b}\t{%cl, $dst|$dst, CL}",
2239 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2240 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2241 "shr{w}\t{%cl, $dst|$dst, CL}",
2242 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2244 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2245 "shr{l}\t{%cl, $dst|$dst, CL}",
2246 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2248 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2249 "shr{b}\t{$src, $dst|$dst, $src}",
2250 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2251 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2252 "shr{w}\t{$src, $dst|$dst, $src}",
2253 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2255 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2256 "shr{l}\t{$src, $dst|$dst, $src}",
2257 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2260 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2262 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2263 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2265 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2266 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2268 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2271 let Uses = [CL] in {
2272 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2273 "sar{b}\t{%cl, $dst|$dst, CL}",
2274 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2275 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2276 "sar{w}\t{%cl, $dst|$dst, CL}",
2277 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2278 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2279 "sar{l}\t{%cl, $dst|$dst, CL}",
2280 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2283 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2284 "sar{b}\t{$src2, $dst|$dst, $src2}",
2285 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2286 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2287 "sar{w}\t{$src2, $dst|$dst, $src2}",
2288 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2290 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2291 "sar{l}\t{$src2, $dst|$dst, $src2}",
2292 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2295 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2297 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2298 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2300 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2301 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2303 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2305 let isTwoAddress = 0 in {
2306 let Uses = [CL] in {
2307 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2308 "sar{b}\t{%cl, $dst|$dst, CL}",
2309 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2310 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2311 "sar{w}\t{%cl, $dst|$dst, CL}",
2312 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2313 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2314 "sar{l}\t{%cl, $dst|$dst, CL}",
2315 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2317 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2318 "sar{b}\t{$src, $dst|$dst, $src}",
2319 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2320 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2321 "sar{w}\t{$src, $dst|$dst, $src}",
2322 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2324 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2325 "sar{l}\t{$src, $dst|$dst, $src}",
2326 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2329 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2331 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2332 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2334 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2336 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2338 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2341 // Rotate instructions
2343 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2344 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2345 let Uses = [CL] in {
2346 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2347 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2349 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2350 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2352 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2353 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2354 let Uses = [CL] in {
2355 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2356 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2358 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2359 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2361 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2362 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2363 let Uses = [CL] in {
2364 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2365 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2367 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2368 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2370 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2371 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2372 let Uses = [CL] in {
2373 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2374 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2376 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2377 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2379 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2380 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2381 let Uses = [CL] in {
2382 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2383 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2385 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2386 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2388 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2389 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2390 let Uses = [CL] in {
2391 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2392 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2394 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2395 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2397 let isTwoAddress = 0 in {
2398 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2399 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2400 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2401 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2402 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2403 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2404 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2405 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2406 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2407 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2408 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2409 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2410 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2411 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2412 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2413 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2414 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2415 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2416 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2417 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2418 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2419 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2420 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2421 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2423 let Uses = [CL] in {
2424 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2425 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2426 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2427 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2428 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2429 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2430 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2431 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2432 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2433 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2434 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2435 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2439 // FIXME: provide shorter instructions when imm8 == 1
2440 let Uses = [CL] in {
2441 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2442 "rol{b}\t{%cl, $dst|$dst, CL}",
2443 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2444 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2445 "rol{w}\t{%cl, $dst|$dst, CL}",
2446 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2447 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2448 "rol{l}\t{%cl, $dst|$dst, CL}",
2449 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2452 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2453 "rol{b}\t{$src2, $dst|$dst, $src2}",
2454 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2455 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2456 "rol{w}\t{$src2, $dst|$dst, $src2}",
2457 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2459 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2460 "rol{l}\t{$src2, $dst|$dst, $src2}",
2461 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2464 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2466 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2467 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2469 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2470 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2472 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2474 let isTwoAddress = 0 in {
2475 let Uses = [CL] in {
2476 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2477 "rol{b}\t{%cl, $dst|$dst, CL}",
2478 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2479 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2480 "rol{w}\t{%cl, $dst|$dst, CL}",
2481 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2482 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2483 "rol{l}\t{%cl, $dst|$dst, CL}",
2484 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2486 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2487 "rol{b}\t{$src, $dst|$dst, $src}",
2488 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2489 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2490 "rol{w}\t{$src, $dst|$dst, $src}",
2491 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2493 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2494 "rol{l}\t{$src, $dst|$dst, $src}",
2495 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2498 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2500 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2501 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2503 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2505 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2507 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2510 let Uses = [CL] in {
2511 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2512 "ror{b}\t{%cl, $dst|$dst, CL}",
2513 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2514 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2515 "ror{w}\t{%cl, $dst|$dst, CL}",
2516 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2517 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2518 "ror{l}\t{%cl, $dst|$dst, CL}",
2519 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2522 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2523 "ror{b}\t{$src2, $dst|$dst, $src2}",
2524 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2525 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2526 "ror{w}\t{$src2, $dst|$dst, $src2}",
2527 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2529 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2530 "ror{l}\t{$src2, $dst|$dst, $src2}",
2531 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2534 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2536 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2537 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2539 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2540 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2542 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2544 let isTwoAddress = 0 in {
2545 let Uses = [CL] in {
2546 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2547 "ror{b}\t{%cl, $dst|$dst, CL}",
2548 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2549 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2550 "ror{w}\t{%cl, $dst|$dst, CL}",
2551 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2552 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2553 "ror{l}\t{%cl, $dst|$dst, CL}",
2554 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2556 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2557 "ror{b}\t{$src, $dst|$dst, $src}",
2558 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2559 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2560 "ror{w}\t{$src, $dst|$dst, $src}",
2561 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2563 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2564 "ror{l}\t{$src, $dst|$dst, $src}",
2565 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2568 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2570 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2571 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2573 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2575 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2577 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2582 // Double shift instructions (generalizations of rotate)
2583 let Uses = [CL] in {
2584 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2585 (ins GR32:$src1, GR32:$src2),
2586 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2587 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2588 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2589 (ins GR32:$src1, GR32:$src2),
2590 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2591 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2592 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2593 (ins GR16:$src1, GR16:$src2),
2594 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2595 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2597 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2598 (ins GR16:$src1, GR16:$src2),
2599 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2600 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2604 let isCommutable = 1 in { // These instructions commute to each other.
2605 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2607 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2608 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2609 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2612 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2614 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2615 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2616 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2619 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2621 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2622 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2623 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2626 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2628 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2629 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2630 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2635 let isTwoAddress = 0 in {
2636 let Uses = [CL] in {
2637 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2638 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2639 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2641 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2642 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2643 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2646 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2647 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2648 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2649 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2650 (i8 imm:$src3)), addr:$dst)]>,
2652 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2653 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2654 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2655 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2656 (i8 imm:$src3)), addr:$dst)]>,
2659 let Uses = [CL] in {
2660 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2661 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2662 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2663 addr:$dst)]>, TB, OpSize;
2664 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2665 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2666 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2667 addr:$dst)]>, TB, OpSize;
2669 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2670 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2671 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2672 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2673 (i8 imm:$src3)), addr:$dst)]>,
2675 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2676 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2677 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2678 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2679 (i8 imm:$src3)), addr:$dst)]>,
2682 } // Defs = [EFLAGS]
2686 let Defs = [EFLAGS] in {
2687 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2688 // Register-Register Addition
2689 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2690 (ins GR8 :$src1, GR8 :$src2),
2691 "add{b}\t{$src2, $dst|$dst, $src2}",
2692 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2693 (implicit EFLAGS)]>;
2695 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2696 // Register-Register Addition
2697 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2698 (ins GR16:$src1, GR16:$src2),
2699 "add{w}\t{$src2, $dst|$dst, $src2}",
2700 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2701 (implicit EFLAGS)]>, OpSize;
2702 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2703 (ins GR32:$src1, GR32:$src2),
2704 "add{l}\t{$src2, $dst|$dst, $src2}",
2705 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2706 (implicit EFLAGS)]>;
2707 } // end isConvertibleToThreeAddress
2708 } // end isCommutable
2710 // These are alternate spellings for use by the disassembler, we mark them as
2711 // code gen only to ensure they aren't matched by the assembler.
2712 let isCodeGenOnly = 1 in {
2713 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2714 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2715 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2716 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2717 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2718 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2721 // Register-Memory Addition
2722 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2723 (ins GR8 :$src1, i8mem :$src2),
2724 "add{b}\t{$src2, $dst|$dst, $src2}",
2725 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2726 (implicit EFLAGS)]>;
2727 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2728 (ins GR16:$src1, i16mem:$src2),
2729 "add{w}\t{$src2, $dst|$dst, $src2}",
2730 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2731 (implicit EFLAGS)]>, OpSize;
2732 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2733 (ins GR32:$src1, i32mem:$src2),
2734 "add{l}\t{$src2, $dst|$dst, $src2}",
2735 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2736 (implicit EFLAGS)]>;
2738 // Register-Integer Addition
2739 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2740 "add{b}\t{$src2, $dst|$dst, $src2}",
2741 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2742 (implicit EFLAGS)]>;
2744 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2745 // Register-Integer Addition
2746 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2747 (ins GR16:$src1, i16imm:$src2),
2748 "add{w}\t{$src2, $dst|$dst, $src2}",
2749 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2750 (implicit EFLAGS)]>, OpSize;
2751 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2752 (ins GR32:$src1, i32imm:$src2),
2753 "add{l}\t{$src2, $dst|$dst, $src2}",
2754 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2755 (implicit EFLAGS)]>;
2756 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2757 (ins GR16:$src1, i16i8imm:$src2),
2758 "add{w}\t{$src2, $dst|$dst, $src2}",
2759 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2760 (implicit EFLAGS)]>, OpSize;
2761 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2762 (ins GR32:$src1, i32i8imm:$src2),
2763 "add{l}\t{$src2, $dst|$dst, $src2}",
2764 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2765 (implicit EFLAGS)]>;
2768 let isTwoAddress = 0 in {
2769 // Memory-Register Addition
2770 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2771 "add{b}\t{$src2, $dst|$dst, $src2}",
2772 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2773 (implicit EFLAGS)]>;
2774 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2775 "add{w}\t{$src2, $dst|$dst, $src2}",
2776 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2777 (implicit EFLAGS)]>, OpSize;
2778 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2779 "add{l}\t{$src2, $dst|$dst, $src2}",
2780 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2781 (implicit EFLAGS)]>;
2782 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2783 "add{b}\t{$src2, $dst|$dst, $src2}",
2784 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2785 (implicit EFLAGS)]>;
2786 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2787 "add{w}\t{$src2, $dst|$dst, $src2}",
2788 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2789 (implicit EFLAGS)]>, OpSize;
2790 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2791 "add{l}\t{$src2, $dst|$dst, $src2}",
2792 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2793 (implicit EFLAGS)]>;
2794 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2795 "add{w}\t{$src2, $dst|$dst, $src2}",
2796 [(store (add (load addr:$dst), i16immSExt8:$src2),
2798 (implicit EFLAGS)]>, OpSize;
2799 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2800 "add{l}\t{$src2, $dst|$dst, $src2}",
2801 [(store (add (load addr:$dst), i32immSExt8:$src2),
2803 (implicit EFLAGS)]>;
2806 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2807 "add{b}\t{$src, %al|%al, $src}", []>;
2808 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2809 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2810 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2811 "add{l}\t{$src, %eax|%eax, $src}", []>;
2814 let Uses = [EFLAGS] in {
2815 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2816 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2817 "adc{b}\t{$src2, $dst|$dst, $src2}",
2818 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2819 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2820 (ins GR16:$src1, GR16:$src2),
2821 "adc{w}\t{$src2, $dst|$dst, $src2}",
2822 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2823 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2824 (ins GR32:$src1, GR32:$src2),
2825 "adc{l}\t{$src2, $dst|$dst, $src2}",
2826 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2829 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2830 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2831 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2832 (ins GR16:$src1, GR16:$src2),
2833 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2834 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2835 (ins GR32:$src1, GR32:$src2),
2836 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2838 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2839 (ins GR8:$src1, i8mem:$src2),
2840 "adc{b}\t{$src2, $dst|$dst, $src2}",
2841 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2842 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2843 (ins GR16:$src1, i16mem:$src2),
2844 "adc{w}\t{$src2, $dst|$dst, $src2}",
2845 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2847 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2848 (ins GR32:$src1, i32mem:$src2),
2849 "adc{l}\t{$src2, $dst|$dst, $src2}",
2850 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2851 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2852 "adc{b}\t{$src2, $dst|$dst, $src2}",
2853 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2854 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2855 (ins GR16:$src1, i16imm:$src2),
2856 "adc{w}\t{$src2, $dst|$dst, $src2}",
2857 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2858 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2859 (ins GR16:$src1, i16i8imm:$src2),
2860 "adc{w}\t{$src2, $dst|$dst, $src2}",
2861 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2863 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2864 (ins GR32:$src1, i32imm:$src2),
2865 "adc{l}\t{$src2, $dst|$dst, $src2}",
2866 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2867 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2868 (ins GR32:$src1, i32i8imm:$src2),
2869 "adc{l}\t{$src2, $dst|$dst, $src2}",
2870 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2872 let isTwoAddress = 0 in {
2873 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2874 "adc{b}\t{$src2, $dst|$dst, $src2}",
2875 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2876 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2877 "adc{w}\t{$src2, $dst|$dst, $src2}",
2878 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2880 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2881 "adc{l}\t{$src2, $dst|$dst, $src2}",
2882 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2883 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2884 "adc{b}\t{$src2, $dst|$dst, $src2}",
2885 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2886 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2887 "adc{w}\t{$src2, $dst|$dst, $src2}",
2888 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2890 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2891 "adc{w}\t{$src2, $dst|$dst, $src2}",
2892 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2894 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2895 "adc{l}\t{$src2, $dst|$dst, $src2}",
2896 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2897 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2898 "adc{l}\t{$src2, $dst|$dst, $src2}",
2899 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2901 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2902 "adc{b}\t{$src, %al|%al, $src}", []>;
2903 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2904 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2905 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2906 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2908 } // Uses = [EFLAGS]
2910 // Register-Register Subtraction
2911 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2912 "sub{b}\t{$src2, $dst|$dst, $src2}",
2913 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2914 (implicit EFLAGS)]>;
2915 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2916 "sub{w}\t{$src2, $dst|$dst, $src2}",
2917 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2918 (implicit EFLAGS)]>, OpSize;
2919 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2920 "sub{l}\t{$src2, $dst|$dst, $src2}",
2921 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2922 (implicit EFLAGS)]>;
2924 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2925 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2926 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2927 (ins GR16:$src1, GR16:$src2),
2928 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2929 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2930 (ins GR32:$src1, GR32:$src2),
2931 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2933 // Register-Memory Subtraction
2934 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2935 (ins GR8 :$src1, i8mem :$src2),
2936 "sub{b}\t{$src2, $dst|$dst, $src2}",
2937 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2938 (implicit EFLAGS)]>;
2939 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2940 (ins GR16:$src1, i16mem:$src2),
2941 "sub{w}\t{$src2, $dst|$dst, $src2}",
2942 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2943 (implicit EFLAGS)]>, OpSize;
2944 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2945 (ins GR32:$src1, i32mem:$src2),
2946 "sub{l}\t{$src2, $dst|$dst, $src2}",
2947 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2948 (implicit EFLAGS)]>;
2950 // Register-Integer Subtraction
2951 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2952 (ins GR8:$src1, i8imm:$src2),
2953 "sub{b}\t{$src2, $dst|$dst, $src2}",
2954 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2955 (implicit EFLAGS)]>;
2956 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2957 (ins GR16:$src1, i16imm:$src2),
2958 "sub{w}\t{$src2, $dst|$dst, $src2}",
2959 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2960 (implicit EFLAGS)]>, OpSize;
2961 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2962 (ins GR32:$src1, i32imm:$src2),
2963 "sub{l}\t{$src2, $dst|$dst, $src2}",
2964 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2965 (implicit EFLAGS)]>;
2966 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2967 (ins GR16:$src1, i16i8imm:$src2),
2968 "sub{w}\t{$src2, $dst|$dst, $src2}",
2969 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2970 (implicit EFLAGS)]>, OpSize;
2971 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2972 (ins GR32:$src1, i32i8imm:$src2),
2973 "sub{l}\t{$src2, $dst|$dst, $src2}",
2974 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2975 (implicit EFLAGS)]>;
2977 let isTwoAddress = 0 in {
2978 // Memory-Register Subtraction
2979 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2980 "sub{b}\t{$src2, $dst|$dst, $src2}",
2981 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2982 (implicit EFLAGS)]>;
2983 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2984 "sub{w}\t{$src2, $dst|$dst, $src2}",
2985 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2986 (implicit EFLAGS)]>, OpSize;
2987 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2988 "sub{l}\t{$src2, $dst|$dst, $src2}",
2989 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2990 (implicit EFLAGS)]>;
2992 // Memory-Integer Subtraction
2993 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2994 "sub{b}\t{$src2, $dst|$dst, $src2}",
2995 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2996 (implicit EFLAGS)]>;
2997 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2998 "sub{w}\t{$src2, $dst|$dst, $src2}",
2999 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
3000 (implicit EFLAGS)]>, OpSize;
3001 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3002 "sub{l}\t{$src2, $dst|$dst, $src2}",
3003 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3004 (implicit EFLAGS)]>;
3005 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3006 "sub{w}\t{$src2, $dst|$dst, $src2}",
3007 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3009 (implicit EFLAGS)]>, OpSize;
3010 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3011 "sub{l}\t{$src2, $dst|$dst, $src2}",
3012 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3014 (implicit EFLAGS)]>;
3016 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3017 "sub{b}\t{$src, %al|%al, $src}", []>;
3018 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3019 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3020 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3021 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3024 let Uses = [EFLAGS] in {
3025 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3026 (ins GR8:$src1, GR8:$src2),
3027 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3028 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3029 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3030 (ins GR16:$src1, GR16:$src2),
3031 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3032 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3033 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3034 (ins GR32:$src1, GR32:$src2),
3035 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3036 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3038 let isTwoAddress = 0 in {
3039 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3040 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3041 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3042 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3043 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3044 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3046 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3047 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3048 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3049 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3050 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3051 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3052 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3053 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3054 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3056 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3057 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3058 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3060 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3061 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3062 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3063 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3064 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3065 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3067 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3068 "sbb{b}\t{$src, %al|%al, $src}", []>;
3069 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3070 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3071 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3072 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3075 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3076 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3077 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3078 (ins GR16:$src1, GR16:$src2),
3079 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3080 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3081 (ins GR32:$src1, GR32:$src2),
3082 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3084 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3085 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3086 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3087 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3088 (ins GR16:$src1, i16mem:$src2),
3089 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3090 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3092 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3093 (ins GR32:$src1, i32mem:$src2),
3094 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3095 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3096 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3097 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3098 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3099 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3100 (ins GR16:$src1, i16imm:$src2),
3101 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3102 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3103 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3104 (ins GR16:$src1, i16i8imm:$src2),
3105 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3106 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3108 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3109 (ins GR32:$src1, i32imm:$src2),
3110 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3111 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3112 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3113 (ins GR32:$src1, i32i8imm:$src2),
3114 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3115 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3116 } // Uses = [EFLAGS]
3117 } // Defs = [EFLAGS]
3119 let Defs = [EFLAGS] in {
3120 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3121 // Register-Register Signed Integer Multiply
3122 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3123 "imul{w}\t{$src2, $dst|$dst, $src2}",
3124 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
3125 (implicit EFLAGS)]>, TB, OpSize;
3126 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3127 "imul{l}\t{$src2, $dst|$dst, $src2}",
3128 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
3129 (implicit EFLAGS)]>, TB;
3132 // Register-Memory Signed Integer Multiply
3133 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3134 (ins GR16:$src1, i16mem:$src2),
3135 "imul{w}\t{$src2, $dst|$dst, $src2}",
3136 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
3137 (implicit EFLAGS)]>, TB, OpSize;
3138 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3139 (ins GR32:$src1, i32mem:$src2),
3140 "imul{l}\t{$src2, $dst|$dst, $src2}",
3141 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
3142 (implicit EFLAGS)]>, TB;
3143 } // Defs = [EFLAGS]
3144 } // end Two Address instructions
3146 // Suprisingly enough, these are not two address instructions!
3147 let Defs = [EFLAGS] in {
3148 // Register-Integer Signed Integer Multiply
3149 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3150 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3151 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3152 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
3153 (implicit EFLAGS)]>, OpSize;
3154 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3155 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3156 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3157 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
3158 (implicit EFLAGS)]>;
3159 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3160 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3161 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3162 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
3163 (implicit EFLAGS)]>, OpSize;
3164 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3165 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3166 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3167 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
3168 (implicit EFLAGS)]>;
3170 // Memory-Integer Signed Integer Multiply
3171 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3172 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3173 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3174 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
3175 (implicit EFLAGS)]>, OpSize;
3176 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3177 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3178 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3179 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
3180 (implicit EFLAGS)]>;
3181 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3182 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3183 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3184 [(set GR16:$dst, (mul (load addr:$src1),
3185 i16immSExt8:$src2)),
3186 (implicit EFLAGS)]>, OpSize;
3187 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3188 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3189 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3190 [(set GR32:$dst, (mul (load addr:$src1),
3191 i32immSExt8:$src2)),
3192 (implicit EFLAGS)]>;
3193 } // Defs = [EFLAGS]
3195 //===----------------------------------------------------------------------===//
3196 // Test instructions are just like AND, except they don't generate a result.
3198 let Defs = [EFLAGS] in {
3199 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3200 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3201 "test{b}\t{$src2, $src1|$src1, $src2}",
3202 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3203 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3204 "test{w}\t{$src2, $src1|$src1, $src2}",
3205 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3208 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3209 "test{l}\t{$src2, $src1|$src1, $src2}",
3210 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3214 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3215 "test{b}\t{$src, %al|%al, $src}", []>;
3216 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3217 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3218 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3219 "test{l}\t{$src, %eax|%eax, $src}", []>;
3221 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3222 "test{b}\t{$src2, $src1|$src1, $src2}",
3223 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3225 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3226 "test{w}\t{$src2, $src1|$src1, $src2}",
3227 [(set EFLAGS, (X86cmp (and GR16:$src1,
3228 (loadi16 addr:$src2)), 0))]>, OpSize;
3229 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3230 "test{l}\t{$src2, $src1|$src1, $src2}",
3231 [(set EFLAGS, (X86cmp (and GR32:$src1,
3232 (loadi32 addr:$src2)), 0))]>;
3234 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3235 (outs), (ins GR8:$src1, i8imm:$src2),
3236 "test{b}\t{$src2, $src1|$src1, $src2}",
3237 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3238 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3239 (outs), (ins GR16:$src1, i16imm:$src2),
3240 "test{w}\t{$src2, $src1|$src1, $src2}",
3241 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3243 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3244 (outs), (ins GR32:$src1, i32imm:$src2),
3245 "test{l}\t{$src2, $src1|$src1, $src2}",
3246 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3248 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3249 (outs), (ins i8mem:$src1, i8imm:$src2),
3250 "test{b}\t{$src2, $src1|$src1, $src2}",
3251 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3253 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3254 (outs), (ins i16mem:$src1, i16imm:$src2),
3255 "test{w}\t{$src2, $src1|$src1, $src2}",
3256 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3258 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3259 (outs), (ins i32mem:$src1, i32imm:$src2),
3260 "test{l}\t{$src2, $src1|$src1, $src2}",
3261 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3263 } // Defs = [EFLAGS]
3266 // Condition code ops, incl. set if equal/not equal/...
3267 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3268 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3269 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3270 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3272 let Uses = [EFLAGS] in {
3273 // Use sbb to materialize carry bit.
3274 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3275 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3276 // However, Pat<> can't replicate the destination reg into the inputs of the
3278 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3280 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3281 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3282 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3283 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3285 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3286 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3289 def SETEr : I<0x94, MRM0r,
3290 (outs GR8 :$dst), (ins),
3292 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3294 def SETEm : I<0x94, MRM0m,
3295 (outs), (ins i8mem:$dst),
3297 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3300 def SETNEr : I<0x95, MRM0r,
3301 (outs GR8 :$dst), (ins),
3303 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3305 def SETNEm : I<0x95, MRM0m,
3306 (outs), (ins i8mem:$dst),
3308 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3311 def SETLr : I<0x9C, MRM0r,
3312 (outs GR8 :$dst), (ins),
3314 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3315 TB; // GR8 = < signed
3316 def SETLm : I<0x9C, MRM0m,
3317 (outs), (ins i8mem:$dst),
3319 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3320 TB; // [mem8] = < signed
3322 def SETGEr : I<0x9D, MRM0r,
3323 (outs GR8 :$dst), (ins),
3325 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3326 TB; // GR8 = >= signed
3327 def SETGEm : I<0x9D, MRM0m,
3328 (outs), (ins i8mem:$dst),
3330 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3331 TB; // [mem8] = >= signed
3333 def SETLEr : I<0x9E, MRM0r,
3334 (outs GR8 :$dst), (ins),
3336 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3337 TB; // GR8 = <= signed
3338 def SETLEm : I<0x9E, MRM0m,
3339 (outs), (ins i8mem:$dst),
3341 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3342 TB; // [mem8] = <= signed
3344 def SETGr : I<0x9F, MRM0r,
3345 (outs GR8 :$dst), (ins),
3347 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3348 TB; // GR8 = > signed
3349 def SETGm : I<0x9F, MRM0m,
3350 (outs), (ins i8mem:$dst),
3352 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3353 TB; // [mem8] = > signed
3355 def SETBr : I<0x92, MRM0r,
3356 (outs GR8 :$dst), (ins),
3358 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3359 TB; // GR8 = < unsign
3360 def SETBm : I<0x92, MRM0m,
3361 (outs), (ins i8mem:$dst),
3363 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3364 TB; // [mem8] = < unsign
3366 def SETAEr : I<0x93, MRM0r,
3367 (outs GR8 :$dst), (ins),
3369 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3370 TB; // GR8 = >= unsign
3371 def SETAEm : I<0x93, MRM0m,
3372 (outs), (ins i8mem:$dst),
3374 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3375 TB; // [mem8] = >= unsign
3377 def SETBEr : I<0x96, MRM0r,
3378 (outs GR8 :$dst), (ins),
3380 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3381 TB; // GR8 = <= unsign
3382 def SETBEm : I<0x96, MRM0m,
3383 (outs), (ins i8mem:$dst),
3385 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3386 TB; // [mem8] = <= unsign
3388 def SETAr : I<0x97, MRM0r,
3389 (outs GR8 :$dst), (ins),
3391 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3392 TB; // GR8 = > signed
3393 def SETAm : I<0x97, MRM0m,
3394 (outs), (ins i8mem:$dst),
3396 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3397 TB; // [mem8] = > signed
3399 def SETSr : I<0x98, MRM0r,
3400 (outs GR8 :$dst), (ins),
3402 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3403 TB; // GR8 = <sign bit>
3404 def SETSm : I<0x98, MRM0m,
3405 (outs), (ins i8mem:$dst),
3407 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3408 TB; // [mem8] = <sign bit>
3409 def SETNSr : I<0x99, MRM0r,
3410 (outs GR8 :$dst), (ins),
3412 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3413 TB; // GR8 = !<sign bit>
3414 def SETNSm : I<0x99, MRM0m,
3415 (outs), (ins i8mem:$dst),
3417 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3418 TB; // [mem8] = !<sign bit>
3420 def SETPr : I<0x9A, MRM0r,
3421 (outs GR8 :$dst), (ins),
3423 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3425 def SETPm : I<0x9A, MRM0m,
3426 (outs), (ins i8mem:$dst),
3428 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3429 TB; // [mem8] = parity
3430 def SETNPr : I<0x9B, MRM0r,
3431 (outs GR8 :$dst), (ins),
3433 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3434 TB; // GR8 = not parity
3435 def SETNPm : I<0x9B, MRM0m,
3436 (outs), (ins i8mem:$dst),
3438 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3439 TB; // [mem8] = not parity
3441 def SETOr : I<0x90, MRM0r,
3442 (outs GR8 :$dst), (ins),
3444 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3445 TB; // GR8 = overflow
3446 def SETOm : I<0x90, MRM0m,
3447 (outs), (ins i8mem:$dst),
3449 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3450 TB; // [mem8] = overflow
3451 def SETNOr : I<0x91, MRM0r,
3452 (outs GR8 :$dst), (ins),
3454 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3455 TB; // GR8 = not overflow
3456 def SETNOm : I<0x91, MRM0m,
3457 (outs), (ins i8mem:$dst),
3459 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3460 TB; // [mem8] = not overflow
3461 } // Uses = [EFLAGS]
3464 // Integer comparisons
3465 let Defs = [EFLAGS] in {
3466 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3467 "cmp{b}\t{$src, %al|%al, $src}", []>;
3468 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3469 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3470 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3471 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3473 def CMP8rr : I<0x38, MRMDestReg,
3474 (outs), (ins GR8 :$src1, GR8 :$src2),
3475 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3476 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3477 def CMP16rr : I<0x39, MRMDestReg,
3478 (outs), (ins GR16:$src1, GR16:$src2),
3479 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3480 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3481 def CMP32rr : I<0x39, MRMDestReg,
3482 (outs), (ins GR32:$src1, GR32:$src2),
3483 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3484 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3485 def CMP8mr : I<0x38, MRMDestMem,
3486 (outs), (ins i8mem :$src1, GR8 :$src2),
3487 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3488 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3489 def CMP16mr : I<0x39, MRMDestMem,
3490 (outs), (ins i16mem:$src1, GR16:$src2),
3491 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3492 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3494 def CMP32mr : I<0x39, MRMDestMem,
3495 (outs), (ins i32mem:$src1, GR32:$src2),
3496 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3497 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3498 def CMP8rm : I<0x3A, MRMSrcMem,
3499 (outs), (ins GR8 :$src1, i8mem :$src2),
3500 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3501 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3502 def CMP16rm : I<0x3B, MRMSrcMem,
3503 (outs), (ins GR16:$src1, i16mem:$src2),
3504 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3505 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3507 def CMP32rm : I<0x3B, MRMSrcMem,
3508 (outs), (ins GR32:$src1, i32mem:$src2),
3509 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3510 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3512 // These are alternate spellings for use by the disassembler, we mark them as
3513 // code gen only to ensure they aren't matched by the assembler.
3514 let isCodeGenOnly = 1 in {
3515 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3516 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3517 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3518 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3519 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3520 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3523 def CMP8ri : Ii8<0x80, MRM7r,
3524 (outs), (ins GR8:$src1, i8imm:$src2),
3525 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3526 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3527 def CMP16ri : Ii16<0x81, MRM7r,
3528 (outs), (ins GR16:$src1, i16imm:$src2),
3529 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3530 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3531 def CMP32ri : Ii32<0x81, MRM7r,
3532 (outs), (ins GR32:$src1, i32imm:$src2),
3533 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3534 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3535 def CMP8mi : Ii8 <0x80, MRM7m,
3536 (outs), (ins i8mem :$src1, i8imm :$src2),
3537 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3538 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3539 def CMP16mi : Ii16<0x81, MRM7m,
3540 (outs), (ins i16mem:$src1, i16imm:$src2),
3541 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3542 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3544 def CMP32mi : Ii32<0x81, MRM7m,
3545 (outs), (ins i32mem:$src1, i32imm:$src2),
3546 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3547 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3548 def CMP16ri8 : Ii8<0x83, MRM7r,
3549 (outs), (ins GR16:$src1, i16i8imm:$src2),
3550 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3551 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3553 def CMP16mi8 : Ii8<0x83, MRM7m,
3554 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3555 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3556 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3557 i16immSExt8:$src2))]>, OpSize;
3558 def CMP32mi8 : Ii8<0x83, MRM7m,
3559 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3560 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3561 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3562 i32immSExt8:$src2))]>;
3563 def CMP32ri8 : Ii8<0x83, MRM7r,
3564 (outs), (ins GR32:$src1, i32i8imm:$src2),
3565 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3566 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3567 } // Defs = [EFLAGS]
3570 // TODO: BTC, BTR, and BTS
3571 let Defs = [EFLAGS] in {
3572 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3573 "bt{w}\t{$src2, $src1|$src1, $src2}",
3574 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3575 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3576 "bt{l}\t{$src2, $src1|$src1, $src2}",
3577 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3579 // Unlike with the register+register form, the memory+register form of the
3580 // bt instruction does not ignore the high bits of the index. From ISel's
3581 // perspective, this is pretty bizarre. Make these instructions disassembly
3584 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3585 "bt{w}\t{$src2, $src1|$src1, $src2}",
3586 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3587 // (implicit EFLAGS)]
3589 >, OpSize, TB, Requires<[FastBTMem]>;
3590 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3591 "bt{l}\t{$src2, $src1|$src1, $src2}",
3592 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3593 // (implicit EFLAGS)]
3595 >, TB, Requires<[FastBTMem]>;
3597 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3598 "bt{w}\t{$src2, $src1|$src1, $src2}",
3599 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3601 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3602 "bt{l}\t{$src2, $src1|$src1, $src2}",
3603 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3604 // Note that these instructions don't need FastBTMem because that
3605 // only applies when the other operand is in a register. When it's
3606 // an immediate, bt is still fast.
3607 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3608 "bt{w}\t{$src2, $src1|$src1, $src2}",
3609 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3611 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3612 "bt{l}\t{$src2, $src1|$src1, $src2}",
3613 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3616 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3617 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3618 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3619 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3620 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3621 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3622 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3623 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3624 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3625 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3626 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3627 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3628 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3629 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3630 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3631 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3633 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3634 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3635 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3636 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3637 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3638 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3639 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3640 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3641 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3642 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3643 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3644 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3645 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3646 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3647 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3648 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3650 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3651 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3652 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3653 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3654 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3655 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3656 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3657 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3658 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3659 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3660 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3661 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3662 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3663 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3664 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3665 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3666 } // Defs = [EFLAGS]
3668 // Sign/Zero extenders
3669 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3670 // of the register here. This has a smaller encoding and avoids a
3671 // partial-register update. Actual movsbw included for the disassembler.
3672 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3673 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3674 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3675 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3676 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3677 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3678 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3679 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3680 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3681 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3682 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3683 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3684 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3685 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3686 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3687 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3688 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3689 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3690 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3691 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3693 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3694 // of the register here. This has a smaller encoding and avoids a
3695 // partial-register update. Actual movzbw included for the disassembler.
3696 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3697 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3698 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3699 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3700 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3701 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3702 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3703 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3704 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3705 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3706 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3707 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3708 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3709 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3710 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3711 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3712 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3713 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3714 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3715 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3717 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3718 // except that they use GR32_NOREX for the output operand register class
3719 // instead of GR32. This allows them to operate on h registers on x86-64.
3720 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3721 (outs GR32_NOREX:$dst), (ins GR8:$src),
3722 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3725 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3726 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3727 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3730 let neverHasSideEffects = 1 in {
3731 let Defs = [AX], Uses = [AL] in
3732 def CBW : I<0x98, RawFrm, (outs), (ins),
3733 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3734 let Defs = [EAX], Uses = [AX] in
3735 def CWDE : I<0x98, RawFrm, (outs), (ins),
3736 "{cwtl|cwde}", []>; // EAX = signext(AX)
3738 let Defs = [AX,DX], Uses = [AX] in
3739 def CWD : I<0x99, RawFrm, (outs), (ins),
3740 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3741 let Defs = [EAX,EDX], Uses = [EAX] in
3742 def CDQ : I<0x99, RawFrm, (outs), (ins),
3743 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3746 //===----------------------------------------------------------------------===//
3747 // Alias Instructions
3748 //===----------------------------------------------------------------------===//
3750 // Alias instructions that map movr0 to xor.
3751 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3752 // FIXME: Set encoding to pseudo.
3753 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3754 isCodeGenOnly = 1 in {
3755 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3756 [(set GR8:$dst, 0)]>;
3758 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3759 // encoding and avoids a partial-register update sometimes, but doing so
3760 // at isel time interferes with rematerialization in the current register
3761 // allocator. For now, this is rewritten when the instruction is lowered
3763 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3765 [(set GR16:$dst, 0)]>, OpSize;
3767 // FIXME: Set encoding to pseudo.
3768 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3769 [(set GR32:$dst, 0)]>;
3772 //===----------------------------------------------------------------------===//
3773 // Thread Local Storage Instructions
3776 // All calls clobber the non-callee saved registers. ESP is marked as
3777 // a use to prevent stack-pointer assignments that appear immediately
3778 // before calls from potentially appearing dead.
3779 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3780 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3781 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3782 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3784 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3785 "leal\t$sym, %eax; "
3786 "call\t___tls_get_addr@PLT",
3787 [(X86tlsaddr tls32addr:$sym)]>,
3788 Requires<[In32BitMode]>;
3790 let AddedComplexity = 5, isCodeGenOnly = 1 in
3791 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3792 "movl\t%gs:$src, $dst",
3793 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3795 let AddedComplexity = 5, isCodeGenOnly = 1 in
3796 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3797 "movl\t%fs:$src, $dst",
3798 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3800 //===----------------------------------------------------------------------===//
3801 // EH Pseudo Instructions
3803 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3804 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3805 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3806 "ret\t#eh_return, addr: $addr",
3807 [(X86ehret GR32:$addr)]>;
3811 //===----------------------------------------------------------------------===//
3815 // Atomic swap. These are just normal xchg instructions. But since a memory
3816 // operand is referenced, the atomicity is ensured.
3817 let Constraints = "$val = $dst" in {
3818 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3819 (ins GR32:$val, i32mem:$ptr),
3820 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3821 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3822 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3823 (ins GR16:$val, i16mem:$ptr),
3824 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3825 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3827 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3828 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3829 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3831 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3832 "xchg{l}\t{$val, $src|$src, $val}", []>;
3833 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3834 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3835 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3836 "xchg{b}\t{$val, $src|$src, $val}", []>;
3839 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3840 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3841 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3842 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3844 // Atomic compare and swap.
3845 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3846 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3848 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3849 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3851 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3852 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3855 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3858 let Defs = [AX, EFLAGS], Uses = [AX] in {
3859 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3861 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3862 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3864 let Defs = [AL, EFLAGS], Uses = [AL] in {
3865 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3867 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3868 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3871 // Atomic exchange and add
3872 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3873 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3875 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3876 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3878 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3880 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3881 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3883 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3885 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3886 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3890 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3891 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3892 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3893 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3894 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3895 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3897 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3898 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3899 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3900 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3901 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3902 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3904 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3905 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3906 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3907 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3908 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3909 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3911 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3912 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3913 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3914 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3915 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3916 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3918 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3919 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3920 "cmpxchg8b\t$dst", []>, TB;
3922 // Optimized codegen when the non-memory output is not used.
3923 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3924 let Defs = [EFLAGS] in {
3925 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3927 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3928 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3930 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3931 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3933 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3934 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3936 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3937 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3939 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3940 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3942 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3943 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3945 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3946 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3948 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3950 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3952 "inc{b}\t$dst", []>, LOCK;
3953 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3955 "inc{w}\t$dst", []>, OpSize, LOCK;
3956 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3958 "inc{l}\t$dst", []>, LOCK;
3960 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3962 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3963 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3965 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3966 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3968 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3969 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3971 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3972 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3974 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3975 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3977 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3978 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3980 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3981 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3983 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3985 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3987 "dec{b}\t$dst", []>, LOCK;
3988 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3990 "dec{w}\t$dst", []>, OpSize, LOCK;
3991 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3993 "dec{l}\t$dst", []>, LOCK;
3996 // Atomic exchange, and, or, xor
3997 let Constraints = "$val = $dst", Defs = [EFLAGS],
3998 usesCustomInserter = 1 in {
3999 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4000 "#ATOMAND32 PSEUDO!",
4001 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4002 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4003 "#ATOMOR32 PSEUDO!",
4004 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4005 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4006 "#ATOMXOR32 PSEUDO!",
4007 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4008 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4009 "#ATOMNAND32 PSEUDO!",
4010 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4011 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4012 "#ATOMMIN32 PSEUDO!",
4013 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4014 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4015 "#ATOMMAX32 PSEUDO!",
4016 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4017 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4018 "#ATOMUMIN32 PSEUDO!",
4019 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4020 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4021 "#ATOMUMAX32 PSEUDO!",
4022 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4024 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4025 "#ATOMAND16 PSEUDO!",
4026 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4027 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4028 "#ATOMOR16 PSEUDO!",
4029 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4030 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4031 "#ATOMXOR16 PSEUDO!",
4032 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4033 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4034 "#ATOMNAND16 PSEUDO!",
4035 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4036 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4037 "#ATOMMIN16 PSEUDO!",
4038 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4039 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4040 "#ATOMMAX16 PSEUDO!",
4041 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4042 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4043 "#ATOMUMIN16 PSEUDO!",
4044 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4045 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4046 "#ATOMUMAX16 PSEUDO!",
4047 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4049 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4050 "#ATOMAND8 PSEUDO!",
4051 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4052 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4054 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4055 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4056 "#ATOMXOR8 PSEUDO!",
4057 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4058 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4059 "#ATOMNAND8 PSEUDO!",
4060 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4063 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4064 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4065 Uses = [EAX, EBX, ECX, EDX],
4066 mayLoad = 1, mayStore = 1,
4067 usesCustomInserter = 1 in {
4068 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4069 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4070 "#ATOMAND6432 PSEUDO!", []>;
4071 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4072 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4073 "#ATOMOR6432 PSEUDO!", []>;
4074 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4075 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4076 "#ATOMXOR6432 PSEUDO!", []>;
4077 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4078 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4079 "#ATOMNAND6432 PSEUDO!", []>;
4080 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4081 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4082 "#ATOMADD6432 PSEUDO!", []>;
4083 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4084 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4085 "#ATOMSUB6432 PSEUDO!", []>;
4086 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4087 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4088 "#ATOMSWAP6432 PSEUDO!", []>;
4091 // Segmentation support instructions.
4093 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4094 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4095 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4096 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4098 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4099 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4100 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4101 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4102 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4104 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4105 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4106 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4107 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4108 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4109 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4110 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4111 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4113 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4115 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4116 "str{w}\t{$dst}", []>, TB;
4117 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4118 "str{w}\t{$dst}", []>, TB;
4119 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4120 "ltr{w}\t{$src}", []>, TB;
4121 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4122 "ltr{w}\t{$src}", []>, TB;
4124 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4125 "push{w}\t%fs", []>, OpSize, TB;
4126 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4127 "push{l}\t%fs", []>, TB;
4128 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4129 "push{w}\t%gs", []>, OpSize, TB;
4130 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4131 "push{l}\t%gs", []>, TB;
4133 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4134 "pop{w}\t%fs", []>, OpSize, TB;
4135 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4136 "pop{l}\t%fs", []>, TB;
4137 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4138 "pop{w}\t%gs", []>, OpSize, TB;
4139 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4140 "pop{l}\t%gs", []>, TB;
4142 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4143 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4144 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4145 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4146 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4147 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4148 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4149 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4150 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4151 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4152 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4153 "les{l}\t{$src, $dst|$dst, $src}", []>;
4154 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4155 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4156 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4157 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4158 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4159 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4160 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4161 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4163 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4164 "verr\t$seg", []>, TB;
4165 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4166 "verr\t$seg", []>, TB;
4167 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4168 "verw\t$seg", []>, TB;
4169 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4170 "verw\t$seg", []>, TB;
4172 // Descriptor-table support instructions
4174 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4175 "sgdt\t$dst", []>, TB;
4176 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4177 "sidt\t$dst", []>, TB;
4178 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4179 "sldt{w}\t$dst", []>, TB;
4180 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4181 "sldt{w}\t$dst", []>, TB;
4182 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4183 "lgdt\t$src", []>, TB;
4184 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4185 "lidt\t$src", []>, TB;
4186 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4187 "lldt{w}\t$src", []>, TB;
4188 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4189 "lldt{w}\t$src", []>, TB;
4191 // Lock instruction prefix
4192 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4194 // Repeat string operation instruction prefixes
4195 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4196 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4197 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4198 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4199 // Repeat while not equal (used with CMPS and SCAS)
4200 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4203 // Segment override instruction prefixes
4204 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4205 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4206 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4207 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4208 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4209 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4211 // String manipulation instructions
4213 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4214 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4215 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4217 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4218 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4219 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4221 // CPU flow control instructions
4223 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4224 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4226 // FPU control instructions
4228 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4230 // Flag instructions
4232 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4233 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4234 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4235 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4236 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4237 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4238 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4240 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4242 // Table lookup instructions
4244 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4246 // Specialized register support
4248 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4249 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4250 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4252 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4253 "smsw{w}\t$dst", []>, OpSize, TB;
4254 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4255 "smsw{l}\t$dst", []>, TB;
4256 // For memory operands, there is only a 16-bit form
4257 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4258 "smsw{w}\t$dst", []>, TB;
4260 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4261 "lmsw{w}\t$src", []>, TB;
4262 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4263 "lmsw{w}\t$src", []>, TB;
4265 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4267 // Cache instructions
4269 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4270 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4275 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4277 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4279 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4280 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4281 "vmclear\t$vmcs", []>, OpSize, TB;
4283 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4285 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4286 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4287 "vmptrld\t$vmcs", []>, TB;
4288 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4289 "vmptrst\t$vmcs", []>, TB;
4290 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4291 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4292 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4293 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4294 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4295 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4296 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4297 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4298 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4299 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4300 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4301 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4302 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4303 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4304 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4305 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4307 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4308 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4309 "vmxon\t{$vmxon}", []>, XS;
4311 //===----------------------------------------------------------------------===//
4312 // Non-Instruction Patterns
4313 //===----------------------------------------------------------------------===//
4315 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4316 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4317 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4318 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4319 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4320 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4321 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4323 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4324 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4325 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4326 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4327 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4328 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4329 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4330 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4331 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4332 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4334 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4335 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4336 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4337 (MOV32mi addr:$dst, texternalsym:$src)>;
4338 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4339 (MOV32mi addr:$dst, tblockaddress:$src)>;
4343 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4344 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4345 Requires<[In32BitMode]>;
4347 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4348 (TCRETURNmi addr:$dst, imm:$off)>,
4349 Requires<[In32BitMode]>;
4351 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4352 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4353 Requires<[In32BitMode]>;
4355 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4356 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4357 Requires<[In32BitMode]>;
4359 // Normal calls, with various flavors of addresses.
4360 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4361 (CALLpcrel32 tglobaladdr:$dst)>;
4362 def : Pat<(X86call (i32 texternalsym:$dst)),
4363 (CALLpcrel32 texternalsym:$dst)>;
4364 def : Pat<(X86call (i32 imm:$dst)),
4365 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4367 // X86 specific add which produces a flag.
4368 def : Pat<(addc GR32:$src1, GR32:$src2),
4369 (ADD32rr GR32:$src1, GR32:$src2)>;
4370 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4371 (ADD32rm GR32:$src1, addr:$src2)>;
4372 def : Pat<(addc GR32:$src1, imm:$src2),
4373 (ADD32ri GR32:$src1, imm:$src2)>;
4374 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4375 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4377 def : Pat<(subc GR32:$src1, GR32:$src2),
4378 (SUB32rr GR32:$src1, GR32:$src2)>;
4379 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4380 (SUB32rm GR32:$src1, addr:$src2)>;
4381 def : Pat<(subc GR32:$src1, imm:$src2),
4382 (SUB32ri GR32:$src1, imm:$src2)>;
4383 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4384 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4388 // TEST R,R is smaller than CMP R,0
4389 def : Pat<(X86cmp GR8:$src1, 0),
4390 (TEST8rr GR8:$src1, GR8:$src1)>;
4391 def : Pat<(X86cmp GR16:$src1, 0),
4392 (TEST16rr GR16:$src1, GR16:$src1)>;
4393 def : Pat<(X86cmp GR32:$src1, 0),
4394 (TEST32rr GR32:$src1, GR32:$src1)>;
4396 // Conditional moves with folded loads with operands swapped and conditions
4398 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4399 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4400 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4401 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4402 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4403 (CMOVB16rm GR16:$src2, addr:$src1)>;
4404 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4405 (CMOVB32rm GR32:$src2, addr:$src1)>;
4406 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4407 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4408 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4409 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4410 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4411 (CMOVE16rm GR16:$src2, addr:$src1)>;
4412 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4413 (CMOVE32rm GR32:$src2, addr:$src1)>;
4414 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4415 (CMOVA16rm GR16:$src2, addr:$src1)>;
4416 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4417 (CMOVA32rm GR32:$src2, addr:$src1)>;
4418 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4419 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4420 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4421 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4422 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4423 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4424 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4425 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4426 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4427 (CMOVL16rm GR16:$src2, addr:$src1)>;
4428 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4429 (CMOVL32rm GR32:$src2, addr:$src1)>;
4430 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4431 (CMOVG16rm GR16:$src2, addr:$src1)>;
4432 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4433 (CMOVG32rm GR32:$src2, addr:$src1)>;
4434 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4435 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4436 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4437 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4438 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4439 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4440 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4441 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4442 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4443 (CMOVP16rm GR16:$src2, addr:$src1)>;
4444 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4445 (CMOVP32rm GR32:$src2, addr:$src1)>;
4446 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4447 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4448 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4449 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4450 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4451 (CMOVS16rm GR16:$src2, addr:$src1)>;
4452 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4453 (CMOVS32rm GR32:$src2, addr:$src1)>;
4454 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4455 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4456 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4457 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4458 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4459 (CMOVO16rm GR16:$src2, addr:$src1)>;
4460 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4461 (CMOVO32rm GR32:$src2, addr:$src1)>;
4463 // zextload bool -> zextload byte
4464 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4465 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4466 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4468 // extload bool -> extload byte
4469 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4470 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4471 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4472 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4473 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4474 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4476 // anyext. Define these to do an explicit zero-extend to
4477 // avoid partial-register updates.
4478 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4479 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4480 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
4482 //===----------------------------------------------------------------------===//
4484 //===----------------------------------------------------------------------===//
4486 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4487 // +128 doesn't, so in this special case use a sub instead of an add.
4488 def : Pat<(add GR16:$src1, 128),
4489 (SUB16ri8 GR16:$src1, -128)>;
4490 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4491 (SUB16mi8 addr:$dst, -128)>;
4492 def : Pat<(add GR32:$src1, 128),
4493 (SUB32ri8 GR32:$src1, -128)>;
4494 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4495 (SUB32mi8 addr:$dst, -128)>;
4497 // r & (2^16-1) ==> movz
4498 def : Pat<(and GR32:$src1, 0xffff),
4499 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
4500 // r & (2^8-1) ==> movz
4501 def : Pat<(and GR32:$src1, 0xff),
4502 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4505 Requires<[In32BitMode]>;
4506 // r & (2^8-1) ==> movz
4507 def : Pat<(and GR16:$src1, 0xff),
4508 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4511 Requires<[In32BitMode]>;
4513 // sext_inreg patterns
4514 def : Pat<(sext_inreg GR32:$src, i16),
4515 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4516 def : Pat<(sext_inreg GR32:$src, i8),
4517 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4520 Requires<[In32BitMode]>;
4521 def : Pat<(sext_inreg GR16:$src, i8),
4522 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4525 Requires<[In32BitMode]>;
4528 def : Pat<(i16 (trunc GR32:$src)),
4529 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
4530 def : Pat<(i8 (trunc GR32:$src)),
4531 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4533 Requires<[In32BitMode]>;
4534 def : Pat<(i8 (trunc GR16:$src)),
4535 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4537 Requires<[In32BitMode]>;
4539 // h-register tricks
4540 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4541 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4542 x86_subreg_8bit_hi)>,
4543 Requires<[In32BitMode]>;
4544 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4545 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4546 x86_subreg_8bit_hi)>,
4547 Requires<[In32BitMode]>;
4548 def : Pat<(srl GR16:$src, (i8 8)),
4551 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4552 x86_subreg_8bit_hi)),
4554 Requires<[In32BitMode]>;
4555 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4556 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4558 x86_subreg_8bit_hi))>,
4559 Requires<[In32BitMode]>;
4560 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4561 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4563 x86_subreg_8bit_hi))>,
4564 Requires<[In32BitMode]>;
4565 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4566 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4568 x86_subreg_8bit_hi))>,
4569 Requires<[In32BitMode]>;
4571 // (shl x, 1) ==> (add x, x)
4572 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4573 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4574 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4576 // (shl x (and y, 31)) ==> (shl x, y)
4577 def : Pat<(shl GR8:$src1, (and CL, 31)),
4578 (SHL8rCL GR8:$src1)>;
4579 def : Pat<(shl GR16:$src1, (and CL, 31)),
4580 (SHL16rCL GR16:$src1)>;
4581 def : Pat<(shl GR32:$src1, (and CL, 31)),
4582 (SHL32rCL GR32:$src1)>;
4583 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4584 (SHL8mCL addr:$dst)>;
4585 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4586 (SHL16mCL addr:$dst)>;
4587 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4588 (SHL32mCL addr:$dst)>;
4590 def : Pat<(srl GR8:$src1, (and CL, 31)),
4591 (SHR8rCL GR8:$src1)>;
4592 def : Pat<(srl GR16:$src1, (and CL, 31)),
4593 (SHR16rCL GR16:$src1)>;
4594 def : Pat<(srl GR32:$src1, (and CL, 31)),
4595 (SHR32rCL GR32:$src1)>;
4596 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4597 (SHR8mCL addr:$dst)>;
4598 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4599 (SHR16mCL addr:$dst)>;
4600 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4601 (SHR32mCL addr:$dst)>;
4603 def : Pat<(sra GR8:$src1, (and CL, 31)),
4604 (SAR8rCL GR8:$src1)>;
4605 def : Pat<(sra GR16:$src1, (and CL, 31)),
4606 (SAR16rCL GR16:$src1)>;
4607 def : Pat<(sra GR32:$src1, (and CL, 31)),
4608 (SAR32rCL GR32:$src1)>;
4609 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4610 (SAR8mCL addr:$dst)>;
4611 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4612 (SAR16mCL addr:$dst)>;
4613 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4614 (SAR32mCL addr:$dst)>;
4616 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
4617 def : Pat<(or (srl GR32:$src1, CL:$amt),
4618 (shl GR32:$src2, (sub 32, CL:$amt))),
4619 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4621 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
4622 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4623 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4625 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
4626 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4627 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4629 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4630 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4632 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4634 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm/*:$amt2*/)),
4635 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4637 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
4638 GR32:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4639 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4641 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
4642 def : Pat<(or (shl GR32:$src1, CL:$amt),
4643 (srl GR32:$src2, (sub 32, CL:$amt))),
4644 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4646 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
4647 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4648 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4650 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
4651 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4652 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4654 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4655 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4657 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4659 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm/*:$amt2*/)),
4660 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4662 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
4663 GR32:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4664 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4666 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
4667 def : Pat<(or (srl GR16:$src1, CL:$amt),
4668 (shl GR16:$src2, (sub 16, CL:$amt))),
4669 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4671 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
4672 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4673 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4675 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
4676 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4677 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4679 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4680 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4682 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4684 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm/*:$amt2*/)),
4685 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4687 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
4688 GR16:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4689 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4691 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
4692 def : Pat<(or (shl GR16:$src1, CL:$amt),
4693 (srl GR16:$src2, (sub 16, CL:$amt))),
4694 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4696 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
4697 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4698 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4700 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
4701 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4702 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4704 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4705 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4707 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4709 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm/*:$amt2*/)),
4710 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4712 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
4713 GR16:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4714 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4716 // (anyext (setcc_carry)) -> (setcc_carry)
4717 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4719 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4722 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4723 let AddedComplexity = 5 in { // Try this before the selecting to OR
4724 def : Pat<(parallel (or_is_add GR16:$src1, imm:$src2),
4726 (ADD16ri GR16:$src1, imm:$src2)>;
4727 def : Pat<(parallel (or_is_add GR32:$src1, imm:$src2),
4729 (ADD32ri GR32:$src1, imm:$src2)>;
4730 def : Pat<(parallel (or_is_add GR16:$src1, i16immSExt8:$src2),
4732 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4733 def : Pat<(parallel (or_is_add GR32:$src1, i32immSExt8:$src2),
4735 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4736 def : Pat<(parallel (or_is_add GR16:$src1, GR16:$src2),
4738 (ADD16rr GR16:$src1, GR16:$src2)>;
4739 def : Pat<(parallel (or_is_add GR32:$src1, GR32:$src2),
4741 (ADD32rr GR32:$src1, GR32:$src2)>;
4742 } // AddedComplexity
4744 //===----------------------------------------------------------------------===//
4745 // EFLAGS-defining Patterns
4746 //===----------------------------------------------------------------------===//
4748 // Register-Register Addition with EFLAGS result
4749 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4751 (ADD8rr GR8:$src1, GR8:$src2)>;
4752 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4754 (ADD16rr GR16:$src1, GR16:$src2)>;
4755 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4757 (ADD32rr GR32:$src1, GR32:$src2)>;
4759 // Register-Memory Addition with EFLAGS result
4760 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4762 (ADD8rm GR8:$src1, addr:$src2)>;
4763 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4765 (ADD16rm GR16:$src1, addr:$src2)>;
4766 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4768 (ADD32rm GR32:$src1, addr:$src2)>;
4770 // Register-Integer Addition with EFLAGS result
4771 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4773 (ADD8ri GR8:$src1, imm:$src2)>;
4774 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4776 (ADD16ri GR16:$src1, imm:$src2)>;
4777 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4779 (ADD32ri GR32:$src1, imm:$src2)>;
4780 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4782 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4783 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4785 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4788 // Memory-Register Addition with EFLAGS result
4789 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
4792 (ADD8mr addr:$dst, GR8:$src2)>;
4793 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
4796 (ADD16mr addr:$dst, GR16:$src2)>;
4797 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
4800 (ADD32mr addr:$dst, GR32:$src2)>;
4802 // Memory-Integer Addition with EFLAGS result
4803 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
4806 (ADD8mi addr:$dst, imm:$src2)>;
4807 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
4810 (ADD16mi addr:$dst, imm:$src2)>;
4811 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
4814 (ADD32mi addr:$dst, imm:$src2)>;
4815 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4818 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
4819 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4822 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
4825 // Register-Register Subtraction with EFLAGS result
4826 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4828 (SUB8rr GR8:$src1, GR8:$src2)>;
4829 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4831 (SUB16rr GR16:$src1, GR16:$src2)>;
4832 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4834 (SUB32rr GR32:$src1, GR32:$src2)>;
4836 // Register-Memory Subtraction with EFLAGS result
4837 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4839 (SUB8rm GR8:$src1, addr:$src2)>;
4840 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4842 (SUB16rm GR16:$src1, addr:$src2)>;
4843 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4845 (SUB32rm GR32:$src1, addr:$src2)>;
4847 // Register-Integer Subtraction with EFLAGS result
4848 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4850 (SUB8ri GR8:$src1, imm:$src2)>;
4851 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4853 (SUB16ri GR16:$src1, imm:$src2)>;
4854 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4856 (SUB32ri GR32:$src1, imm:$src2)>;
4857 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4859 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4860 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4862 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4865 // Memory-Register Subtraction with EFLAGS result
4866 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
4869 (SUB8mr addr:$dst, GR8:$src2)>;
4870 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
4873 (SUB16mr addr:$dst, GR16:$src2)>;
4874 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
4877 (SUB32mr addr:$dst, GR32:$src2)>;
4879 // Memory-Integer Subtraction with EFLAGS result
4880 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
4883 (SUB8mi addr:$dst, imm:$src2)>;
4884 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
4887 (SUB16mi addr:$dst, imm:$src2)>;
4888 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
4891 (SUB32mi addr:$dst, imm:$src2)>;
4892 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4895 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
4896 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4899 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
4902 // Register-Register Signed Integer Multiply with EFLAGS result
4903 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4905 (IMUL16rr GR16:$src1, GR16:$src2)>;
4906 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4908 (IMUL32rr GR32:$src1, GR32:$src2)>;
4910 // Register-Memory Signed Integer Multiply with EFLAGS result
4911 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4913 (IMUL16rm GR16:$src1, addr:$src2)>;
4914 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4916 (IMUL32rm GR32:$src1, addr:$src2)>;
4918 // Register-Integer Signed Integer Multiply with EFLAGS result
4919 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4921 (IMUL16rri GR16:$src1, imm:$src2)>;
4922 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4924 (IMUL32rri GR32:$src1, imm:$src2)>;
4925 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4927 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4928 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4930 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4932 // Memory-Integer Signed Integer Multiply with EFLAGS result
4933 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4935 (IMUL16rmi addr:$src1, imm:$src2)>;
4936 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4938 (IMUL32rmi addr:$src1, imm:$src2)>;
4939 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4941 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4942 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4944 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4946 // Optimize multiply by 2 with EFLAGS result.
4947 let AddedComplexity = 2 in {
4948 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4950 (ADD16rr GR16:$src1, GR16:$src1)>;
4952 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4954 (ADD32rr GR32:$src1, GR32:$src1)>;
4957 // INC and DEC with EFLAGS result. Note that these do not set CF.
4958 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4961 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4965 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4967 /*def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4969 (DEC8m addr:$dst)>;*/
4971 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4972 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4974 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4976 (INC16m addr:$dst)>, Requires<[In32BitMode]>;*/
4977 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4978 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4980 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4982 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;*/
4984 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4985 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4986 /*def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4988 (INC32m addr:$dst)>, Requires<[In32BitMode]>;*/
4989 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4990 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4991 /*def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4993 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;*/
4995 // Register-Register Or with EFLAGS result
4996 def : Pat<(parallel (X86or_flag GR8:$src1, GR8:$src2),
4998 (OR8rr GR8:$src1, GR8:$src2)>;
4999 def : Pat<(parallel (X86or_flag GR16:$src1, GR16:$src2),
5001 (OR16rr GR16:$src1, GR16:$src2)>;
5002 def : Pat<(parallel (X86or_flag GR32:$src1, GR32:$src2),
5004 (OR32rr GR32:$src1, GR32:$src2)>;
5006 // Register-Memory Or with EFLAGS result
5007 def : Pat<(parallel (X86or_flag GR8:$src1, (loadi8 addr:$src2)),
5009 (OR8rm GR8:$src1, addr:$src2)>;
5010 def : Pat<(parallel (X86or_flag GR16:$src1, (loadi16 addr:$src2)),
5012 (OR16rm GR16:$src1, addr:$src2)>;
5013 def : Pat<(parallel (X86or_flag GR32:$src1, (loadi32 addr:$src2)),
5015 (OR32rm GR32:$src1, addr:$src2)>;
5017 // Register-Integer Or with EFLAGS result
5018 def : Pat<(parallel (X86or_flag GR8:$src1, imm:$src2),
5020 (OR8ri GR8:$src1, imm:$src2)>;
5021 def : Pat<(parallel (X86or_flag GR16:$src1, imm:$src2),
5023 (OR16ri GR16:$src1, imm:$src2)>;
5024 def : Pat<(parallel (X86or_flag GR32:$src1, imm:$src2),
5026 (OR32ri GR32:$src1, imm:$src2)>;
5027 def : Pat<(parallel (X86or_flag GR16:$src1, i16immSExt8:$src2),
5029 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
5030 def : Pat<(parallel (X86or_flag GR32:$src1, i32immSExt8:$src2),
5032 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
5034 // Memory-Register Or with EFLAGS result
5035 def : Pat<(parallel (store (X86or_flag (loadi8 addr:$dst), GR8:$src2),
5038 (OR8mr addr:$dst, GR8:$src2)>;
5039 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), GR16:$src2),
5042 (OR16mr addr:$dst, GR16:$src2)>;
5043 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), GR32:$src2),
5046 (OR32mr addr:$dst, GR32:$src2)>;
5048 // Memory-Integer Or with EFLAGS result
5049 def : Pat<(parallel (store (X86or_flag (loadi8 addr:$dst), imm:$src2),
5052 (OR8mi addr:$dst, imm:$src2)>;
5053 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), imm:$src2),
5056 (OR16mi addr:$dst, imm:$src2)>;
5057 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), imm:$src2),
5060 (OR32mi addr:$dst, imm:$src2)>;
5061 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), i16immSExt8:$src2),
5064 (OR16mi8 addr:$dst, i16immSExt8:$src2)>;
5065 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), i32immSExt8:$src2),
5068 (OR32mi8 addr:$dst, i32immSExt8:$src2)>;
5071 // Register-Register XOr with EFLAGS result
5072 def : Pat<(parallel (X86xor_flag GR8:$src1, GR8:$src2),
5074 (XOR8rr GR8:$src1, GR8:$src2)>;
5075 def : Pat<(parallel (X86xor_flag GR16:$src1, GR16:$src2),
5077 (XOR16rr GR16:$src1, GR16:$src2)>;
5078 def : Pat<(parallel (X86xor_flag GR32:$src1, GR32:$src2),
5080 (XOR32rr GR32:$src1, GR32:$src2)>;
5082 // Register-Memory XOr with EFLAGS result
5083 def : Pat<(parallel (X86xor_flag GR8:$src1, (loadi8 addr:$src2)),
5085 (XOR8rm GR8:$src1, addr:$src2)>;
5086 def : Pat<(parallel (X86xor_flag GR16:$src1, (loadi16 addr:$src2)),
5088 (XOR16rm GR16:$src1, addr:$src2)>;
5089 def : Pat<(parallel (X86xor_flag GR32:$src1, (loadi32 addr:$src2)),
5091 (XOR32rm GR32:$src1, addr:$src2)>;
5093 // Register-Integer XOr with EFLAGS result
5094 def : Pat<(parallel (X86xor_flag GR8:$src1, imm:$src2),
5096 (XOR8ri GR8:$src1, imm:$src2)>;
5097 def : Pat<(parallel (X86xor_flag GR16:$src1, imm:$src2),
5099 (XOR16ri GR16:$src1, imm:$src2)>;
5100 def : Pat<(parallel (X86xor_flag GR32:$src1, imm:$src2),
5102 (XOR32ri GR32:$src1, imm:$src2)>;
5103 def : Pat<(parallel (X86xor_flag GR16:$src1, i16immSExt8:$src2),
5105 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
5106 def : Pat<(parallel (X86xor_flag GR32:$src1, i32immSExt8:$src2),
5108 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
5111 // Memory-Register XOr with EFLAGS result
5112 def : Pat<(parallel (store (X86xor_flag (loadi8 addr:$dst), GR8:$src2),
5115 (XOR8mr addr:$dst, GR8:$src2)>;
5116 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), GR16:$src2),
5119 (XOR16mr addr:$dst, GR16:$src2)>;
5120 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), GR32:$src2),
5123 (XOR32mr addr:$dst, GR32:$src2)>;
5125 // Memory-Integer XOr with EFLAGS result
5126 def : Pat<(parallel (store (X86xor_flag (loadi8 addr:$dst), imm:$src2),
5129 (XOR8mi addr:$dst, imm:$src2)>;
5130 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), imm:$src2),
5133 (XOR16mi addr:$dst, imm:$src2)>;
5134 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), imm:$src2),
5137 (XOR32mi addr:$dst, imm:$src2)>;
5138 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), i16immSExt8:$src2),
5141 (XOR16mi8 addr:$dst, i16immSExt8:$src2)>;
5142 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), i32immSExt8:$src2),
5145 (XOR32mi8 addr:$dst, i32immSExt8:$src2)>;
5148 // Register-Register And with EFLAGS result
5149 def : Pat<(parallel (X86and_flag GR8:$src1, GR8:$src2),
5151 (AND8rr GR8:$src1, GR8:$src2)>;
5152 def : Pat<(parallel (X86and_flag GR16:$src1, GR16:$src2),
5154 (AND16rr GR16:$src1, GR16:$src2)>;
5155 def : Pat<(parallel (X86and_flag GR32:$src1, GR32:$src2),
5157 (AND32rr GR32:$src1, GR32:$src2)>;
5159 // Register-Memory And with EFLAGS result
5160 def : Pat<(parallel (X86and_flag GR8:$src1, (loadi8 addr:$src2)),
5162 (AND8rm GR8:$src1, addr:$src2)>;
5163 def : Pat<(parallel (X86and_flag GR16:$src1, (loadi16 addr:$src2)),
5165 (AND16rm GR16:$src1, addr:$src2)>;
5166 def : Pat<(parallel (X86and_flag GR32:$src1, (loadi32 addr:$src2)),
5168 (AND32rm GR32:$src1, addr:$src2)>;
5170 // Register-Integer And with EFLAGS result
5171 def : Pat<(parallel (X86and_flag GR8:$src1, imm:$src2),
5173 (AND8ri GR8:$src1, imm:$src2)>;
5174 def : Pat<(parallel (X86and_flag GR16:$src1, imm:$src2),
5176 (AND16ri GR16:$src1, imm:$src2)>;
5177 def : Pat<(parallel (X86and_flag GR32:$src1, imm:$src2),
5179 (AND32ri GR32:$src1, imm:$src2)>;
5180 def : Pat<(parallel (X86and_flag GR16:$src1, i16immSExt8:$src2),
5182 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
5183 def : Pat<(parallel (X86and_flag GR32:$src1, i32immSExt8:$src2),
5185 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
5188 // Memory-Register And with EFLAGS result
5189 def : Pat<(parallel (store (X86and_flag (loadi8 addr:$dst), GR8:$src2),
5192 (AND8mr addr:$dst, GR8:$src2)>;
5193 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), GR16:$src2),
5196 (AND16mr addr:$dst, GR16:$src2)>;
5197 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), GR32:$src2),
5200 (AND32mr addr:$dst, GR32:$src2)>;
5202 // Memory-Integer And with EFLAGS result
5203 def : Pat<(parallel (store (X86and_flag (loadi8 addr:$dst), imm:$src2),
5206 (AND8mi addr:$dst, imm:$src2)>;
5207 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), imm:$src2),
5210 (AND16mi addr:$dst, imm:$src2)>;
5211 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), imm:$src2),
5214 (AND32mi addr:$dst, imm:$src2)>;
5215 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), i16immSExt8:$src2),
5218 (AND16mi8 addr:$dst, i16immSExt8:$src2)>;
5219 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), i32immSExt8:$src2),
5222 (AND32mi8 addr:$dst, i32immSExt8:$src2)>;
5225 // -disable-16bit support.
5226 def : Pat<(truncstorei16 (i16 imm:$src), addr:$dst),
5227 (MOV16mi addr:$dst, imm:$src)>;
5228 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
5229 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
5230 def : Pat<(i32 (sextloadi16 addr:$dst)),
5231 (MOVSX32rm16 addr:$dst)>;
5232 def : Pat<(i32 (zextloadi16 addr:$dst)),
5233 (MOVZX32rm16 addr:$dst)>;
5234 def : Pat<(i32 (extloadi16 addr:$dst)),
5235 (MOVZX32rm16 addr:$dst)>;
5237 //===----------------------------------------------------------------------===//
5238 // Floating Point Stack Support
5239 //===----------------------------------------------------------------------===//
5241 include "X86InstrFPStack.td"
5243 //===----------------------------------------------------------------------===//
5245 //===----------------------------------------------------------------------===//
5247 include "X86Instr64bit.td"
5249 //===----------------------------------------------------------------------===//
5250 // SIMD support (SSE, MMX and AVX)
5251 //===----------------------------------------------------------------------===//
5253 include "X86InstrFragmentsSIMD.td"
5255 //===----------------------------------------------------------------------===//
5256 // XMM Floating point support (requires SSE / SSE2)
5257 //===----------------------------------------------------------------------===//
5259 include "X86InstrSSE.td"
5261 //===----------------------------------------------------------------------===//
5262 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
5263 //===----------------------------------------------------------------------===//
5265 include "X86InstrMMX.td"