1 //===----------------------------------------------------------------------===//
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<2, 1,
32 [SDTCisInt<0>, SDTCisVT<1, i32>]>;
34 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
37 SDTCisInt<0>, SDTCisVT<1, i32>]>;
38 def SDTX86BrCond : SDTypeProfile<0, 3,
39 [SDTCisVT<0, OtherVT>,
40 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
42 def SDTX86SetCC : SDTypeProfile<1, 2,
44 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86SetCC_C : SDTypeProfile<1, 2,
47 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
49 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
51 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
53 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
54 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
55 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
57 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
58 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
61 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
63 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
67 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
69 def SDTX86Void : SDTypeProfile<0, 0, []>;
71 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
73 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
77 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
79 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
81 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
83 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
84 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
85 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
86 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
88 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
89 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
91 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
92 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
94 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
95 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
97 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
100 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
101 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
103 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
116 [SDNPHasChain, SDNPMayStore,
117 SDNPMayLoad, SDNPMemOperand]>;
118 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
119 [SDNPHasChain, SDNPMayStore,
120 SDNPMayLoad, SDNPMemOperand]>;
121 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
122 [SDNPHasChain, SDNPMayStore,
123 SDNPMayLoad, SDNPMemOperand]>;
124 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
125 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
127 def X86vastart_save_xmm_regs :
128 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
129 SDT_X86VASTART_SAVE_XMM_REGS,
130 [SDNPHasChain, SDNPVariadic]>;
132 def X86callseq_start :
133 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
134 [SDNPHasChain, SDNPOutFlag]>;
136 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
137 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
139 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
140 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
143 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
144 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
145 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
146 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
149 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
150 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
152 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
153 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
155 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
156 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
157 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
158 SDT_X86SegmentBaseAddress, []>;
160 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
163 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
164 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
166 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
168 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
169 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
171 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
174 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
175 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
176 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
178 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
180 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
183 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
185 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
186 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
188 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
191 //===----------------------------------------------------------------------===//
192 // X86 Operand Definitions.
195 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
196 // the index operand of an address, to conform to x86 encoding restrictions.
197 def ptr_rc_nosp : PointerLikeRegClass<1>;
199 // *mem - Operand definitions for the funky X86 addressing mode operands.
201 def X86MemAsmOperand : AsmOperandClass {
203 let SuperClasses = [];
205 def X86NoSegMemAsmOperand : AsmOperandClass {
206 let Name = "NoSegMem";
207 let SuperClasses = [X86MemAsmOperand];
209 def X86AbsMemAsmOperand : AsmOperandClass {
211 let SuperClasses = [X86NoSegMemAsmOperand];
213 class X86MemOperand<string printMethod> : Operand<iPTR> {
214 let PrintMethod = printMethod;
215 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
216 let ParserMatchClass = X86MemAsmOperand;
219 def opaque32mem : X86MemOperand<"printopaquemem">;
220 def opaque48mem : X86MemOperand<"printopaquemem">;
221 def opaque80mem : X86MemOperand<"printopaquemem">;
222 def opaque512mem : X86MemOperand<"printopaquemem">;
224 def i8mem : X86MemOperand<"printi8mem">;
225 def i16mem : X86MemOperand<"printi16mem">;
226 def i32mem : X86MemOperand<"printi32mem">;
227 def i64mem : X86MemOperand<"printi64mem">;
228 def i128mem : X86MemOperand<"printi128mem">;
229 //def i256mem : X86MemOperand<"printi256mem">;
230 def f32mem : X86MemOperand<"printf32mem">;
231 def f64mem : X86MemOperand<"printf64mem">;
232 def f80mem : X86MemOperand<"printf80mem">;
233 def f128mem : X86MemOperand<"printf128mem">;
234 //def f256mem : X86MemOperand<"printf256mem">;
236 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
237 // plain GR64, so that it doesn't potentially require a REX prefix.
238 def i8mem_NOREX : Operand<i64> {
239 let PrintMethod = "printi8mem";
240 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
241 let ParserMatchClass = X86MemAsmOperand;
244 // Special i32mem for addresses of load folding tail calls. These are not
245 // allowed to use callee-saved registers since they must be scheduled
246 // after callee-saved register are popped.
247 def i32mem_TC : Operand<i32> {
248 let PrintMethod = "printi32mem";
249 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
250 let ParserMatchClass = X86MemAsmOperand;
253 def lea32mem : Operand<i32> {
254 let PrintMethod = "printlea32mem";
255 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
256 let ParserMatchClass = X86NoSegMemAsmOperand;
259 let ParserMatchClass = X86AbsMemAsmOperand,
260 PrintMethod = "print_pcrel_imm" in {
261 def i32imm_pcrel : Operand<i32>;
263 def offset8 : Operand<i64>;
264 def offset16 : Operand<i64>;
265 def offset32 : Operand<i64>;
266 def offset64 : Operand<i64>;
268 // Branch targets have OtherVT type and print as pc-relative values.
269 def brtarget : Operand<OtherVT>;
270 def brtarget8 : Operand<OtherVT>;
274 def SSECC : Operand<i8> {
275 let PrintMethod = "printSSECC";
278 class ImmSExtAsmOperandClass : AsmOperandClass {
279 let SuperClasses = [ImmAsmOperand];
280 let RenderMethod = "addImmOperands";
283 // Sign-extended immediate classes. We don't need to define the full lattice
284 // here because there is no instruction with an ambiguity between ImmSExti64i32
287 // The strange ranges come from the fact that the assembler always works with
288 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
289 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
291 // [0, 0x7FFFFFFF] | [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
292 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
293 let Name = "ImmSExti64i32";
296 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] | [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
297 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
298 let Name = "ImmSExti16i8";
299 let SuperClasses = [ImmSExti64i32AsmOperand];
302 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] | [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
303 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
304 let Name = "ImmSExti32i8";
307 // [0, 0x0000007F] | [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
308 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
309 let Name = "ImmSExti64i8";
310 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand, ImmSExti64i32AsmOperand];
313 // A couple of more descriptive operand definitions.
314 // 16-bits but only 8 bits are significant.
315 def i16i8imm : Operand<i16> {
316 let ParserMatchClass = ImmSExti16i8AsmOperand;
318 // 32-bits but only 8 bits are significant.
319 def i32i8imm : Operand<i32> {
320 let ParserMatchClass = ImmSExti32i8AsmOperand;
323 //===----------------------------------------------------------------------===//
324 // X86 Complex Pattern Definitions.
327 // Define X86 specific addressing mode.
328 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
329 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
330 [add, sub, mul, X86mul_imm, shl, or, frameindex],
332 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
333 [tglobaltlsaddr], []>;
335 //===----------------------------------------------------------------------===//
336 // X86 Instruction Predicate Definitions.
337 def HasCMov : Predicate<"Subtarget->hasCMov()">;
338 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
339 def HasMMX : Predicate<"Subtarget->hasMMX()">;
340 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
341 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
342 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
343 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
344 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
345 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
346 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
347 def HasAVX : Predicate<"Subtarget->hasAVX()">;
348 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
349 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
350 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
351 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
352 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
353 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
354 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
355 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
356 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
357 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
358 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
359 "TM.getCodeModel() != CodeModel::Kernel">;
360 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
361 "TM.getCodeModel() == CodeModel::Kernel">;
362 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
363 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
364 def OptForSize : Predicate<"OptForSize">;
365 def OptForSpeed : Predicate<"!OptForSize">;
366 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
367 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
368 def HasAES : Predicate<"Subtarget->hasAES()">;
370 //===----------------------------------------------------------------------===//
371 // X86 Instruction Format Definitions.
374 include "X86InstrFormats.td"
376 //===----------------------------------------------------------------------===//
377 // Pattern fragments...
380 // X86 specific condition code. These correspond to CondCode in
381 // X86InstrInfo.h. They must be kept in synch.
382 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
383 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
384 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
385 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
386 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
387 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
388 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
389 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
390 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
391 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
392 def X86_COND_NO : PatLeaf<(i8 10)>;
393 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
394 def X86_COND_NS : PatLeaf<(i8 12)>;
395 def X86_COND_O : PatLeaf<(i8 13)>;
396 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
397 def X86_COND_S : PatLeaf<(i8 15)>;
399 def immSext8 : PatLeaf<(imm), [{
400 return N->getSExtValue() == (int8_t)N->getSExtValue();
403 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
404 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
406 /// Load patterns: these constraint the match to the right address space.
407 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
408 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
409 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
410 if (PT->getAddressSpace() > 255)
415 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
416 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
417 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
418 return PT->getAddressSpace() == 256;
422 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
423 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
424 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
425 return PT->getAddressSpace() == 257;
430 // Helper fragments for loads.
431 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
432 // known to be 32-bit aligned or better. Ditto for i8 to i16.
433 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
434 LoadSDNode *LD = cast<LoadSDNode>(N);
435 if (const Value *Src = LD->getSrcValue())
436 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
437 if (PT->getAddressSpace() > 255)
439 ISD::LoadExtType ExtType = LD->getExtensionType();
440 if (ExtType == ISD::NON_EXTLOAD)
442 if (ExtType == ISD::EXTLOAD)
443 return LD->getAlignment() >= 2 && !LD->isVolatile();
447 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
448 LoadSDNode *LD = cast<LoadSDNode>(N);
449 if (const Value *Src = LD->getSrcValue())
450 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
451 if (PT->getAddressSpace() > 255)
453 ISD::LoadExtType ExtType = LD->getExtensionType();
454 if (ExtType == ISD::EXTLOAD)
455 return LD->getAlignment() >= 2 && !LD->isVolatile();
459 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
460 LoadSDNode *LD = cast<LoadSDNode>(N);
461 if (const Value *Src = LD->getSrcValue())
462 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
463 if (PT->getAddressSpace() > 255)
465 ISD::LoadExtType ExtType = LD->getExtensionType();
466 if (ExtType == ISD::NON_EXTLOAD)
468 if (ExtType == ISD::EXTLOAD)
469 return LD->getAlignment() >= 4 && !LD->isVolatile();
473 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
474 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
475 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
476 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
477 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
479 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
480 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
481 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
483 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
484 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
485 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
486 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
487 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
488 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
490 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
491 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
492 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
493 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
494 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
495 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
498 // An 'and' node with a single use.
499 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
500 return N->hasOneUse();
502 // An 'srl' node with a single use.
503 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
504 return N->hasOneUse();
506 // An 'trunc' node with a single use.
507 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
508 return N->hasOneUse();
511 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
512 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
513 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
514 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
516 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
517 APInt Mask = APInt::getAllOnesValue(BitWidth);
518 APInt KnownZero0, KnownOne0;
519 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
520 APInt KnownZero1, KnownOne1;
521 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
522 return (~KnownZero0 & ~KnownZero1) == 0;
525 //===----------------------------------------------------------------------===//
526 // Instruction list...
529 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
530 // a stack adjustment and the codegen must know that they may modify the stack
531 // pointer before prolog-epilog rewriting occurs.
532 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
533 // sub / add which can clobber EFLAGS.
534 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
535 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
537 [(X86callseq_start timm:$amt)]>,
538 Requires<[In32BitMode]>;
539 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
541 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
542 Requires<[In32BitMode]>;
545 // x86-64 va_start lowering magic.
546 let usesCustomInserter = 1 in {
547 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
550 i64imm:$regsavefi, i64imm:$offset,
552 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
553 [(X86vastart_save_xmm_regs GR8:$al,
557 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
558 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
559 // one go. Touching the stack at 4K increments is necessary to ensure that the
560 // guard pages used by the OS virtual memory manager are allocated in correct
562 // The main point of having separate instruction are extra unmodelled effects
563 // (compared to ordinary calls) like stack pointer change.
565 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
566 "# dynamic stack allocation",
571 let neverHasSideEffects = 1 in {
572 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
573 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
574 "nop{w}\t$zero", []>, TB, OpSize;
575 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
576 "nop{l}\t$zero", []>, TB;
580 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
581 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", []>;
582 // FIXME: need to make sure that "int $3" matches int3
583 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
584 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
585 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
587 // PIC base construction. This expands to code that looks like this:
590 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
591 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
594 //===----------------------------------------------------------------------===//
595 // Control Flow Instructions.
598 // Return instructions.
599 let isTerminator = 1, isReturn = 1, isBarrier = 1,
600 hasCtrlDep = 1, FPForm = SpecialFP in {
601 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
604 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
606 [(X86retflag timm:$amt)]>;
607 def LRET : I <0xCB, RawFrm, (outs), (ins),
609 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
613 // Unconditional branches.
614 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
615 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
616 "jmp\t$dst", [(br bb:$dst)]>;
617 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
621 // Conditional Branches.
622 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
623 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
624 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
625 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
626 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
630 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
631 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
632 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
633 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
634 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
635 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
636 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
637 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
638 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
639 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
640 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
641 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
642 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
643 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
644 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
645 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
647 // FIXME: What about the CX/RCX versions of this instruction?
648 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
649 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
654 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
655 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
656 [(brind GR32:$dst)]>;
657 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
658 [(brind (loadi32 addr:$dst))]>;
660 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
661 (ins i16imm:$seg, i16imm:$off),
662 "ljmp{w}\t$seg, $off", []>, OpSize;
663 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
664 (ins i16imm:$seg, i32imm:$off),
665 "ljmp{l}\t$seg, $off", []>;
667 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
668 "ljmp{w}\t{*}$dst", []>, OpSize;
669 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
670 "ljmp{l}\t{*}$dst", []>;
676 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
677 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
678 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
680 //===----------------------------------------------------------------------===//
681 // Call Instructions...
684 // All calls clobber the non-callee saved registers. ESP is marked as
685 // a use to prevent stack-pointer assignments that appear immediately
686 // before calls from potentially appearing dead. Uses for argument
687 // registers are added manually.
688 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
689 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
690 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
691 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
693 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
694 (outs), (ins i32imm_pcrel:$dst,variable_ops),
696 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
697 "call\t{*}$dst", [(X86call GR32:$dst)]>;
698 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
699 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
701 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
702 (ins i16imm:$seg, i16imm:$off),
703 "lcall{w}\t$seg, $off", []>, OpSize;
704 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
705 (ins i16imm:$seg, i32imm:$off),
706 "lcall{l}\t$seg, $off", []>;
708 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
709 "lcall{w}\t{*}$dst", []>, OpSize;
710 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
711 "lcall{l}\t{*}$dst", []>;
714 // Constructing a stack frame.
716 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
717 "enter\t$len, $lvl", []>;
721 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
722 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
723 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
724 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
725 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
727 def TCRETURNdi : I<0, Pseudo, (outs),
728 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
729 "#TC_RETURN $dst $offset", []>;
730 def TCRETURNri : I<0, Pseudo, (outs),
731 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
732 "#TC_RETURN $dst $offset", []>;
734 def TCRETURNmi : I<0, Pseudo, (outs),
735 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
736 "#TC_RETURN $dst $offset", []>;
738 // FIXME: The should be pseudo instructions that are lowered when going to
740 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
741 (ins i32imm_pcrel:$dst, variable_ops),
742 "jmp\t$dst # TAILCALL",
744 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
745 "jmp{l}\t{*}$dst # TAILCALL",
748 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
749 "jmp{l}\t{*}$dst # TAILCALL", []>;
751 // FIXME: This is a hack so that MCInst lowering can preserve the TAILCALL
752 // marker on instructions, while still being able to relax.
753 let isCodeGenOnly = 1 in {
754 def TAILJMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
755 "jmp\t$dst # TAILCALL", []>;
759 //===----------------------------------------------------------------------===//
760 // Miscellaneous Instructions...
762 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
763 def LEAVE : I<0xC9, RawFrm,
764 (outs), (ins), "leave", []>;
766 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
767 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
769 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
770 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
771 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
772 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
774 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
775 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
777 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
779 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
781 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
782 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
784 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
786 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
787 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
790 let mayStore = 1 in {
791 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
793 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
794 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
796 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
798 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
799 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
803 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
804 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
805 "push{l}\t$imm", []>;
806 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
807 "push{w}\t$imm", []>, OpSize;
808 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
809 "push{l}\t$imm", []>;
812 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
813 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
814 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
815 Requires<[In32BitMode]>;
817 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
818 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
819 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
820 Requires<[In32BitMode]>;
823 let isTwoAddress = 1 in // GR32 = bswap GR32
824 def BSWAP32r : I<0xC8, AddRegFrm,
825 (outs GR32:$dst), (ins GR32:$src),
827 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
830 // Bit scan instructions.
831 let Defs = [EFLAGS] in {
832 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
833 "bsf{w}\t{$src, $dst|$dst, $src}",
834 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
835 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
836 "bsf{w}\t{$src, $dst|$dst, $src}",
837 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
839 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
840 "bsf{l}\t{$src, $dst|$dst, $src}",
841 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
842 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
843 "bsf{l}\t{$src, $dst|$dst, $src}",
844 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
846 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
847 "bsr{w}\t{$src, $dst|$dst, $src}",
848 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
849 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
850 "bsr{w}\t{$src, $dst|$dst, $src}",
851 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
853 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
854 "bsr{l}\t{$src, $dst|$dst, $src}",
855 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
856 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
857 "bsr{l}\t{$src, $dst|$dst, $src}",
858 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
861 let neverHasSideEffects = 1 in
862 def LEA16r : I<0x8D, MRMSrcMem,
863 (outs GR16:$dst), (ins lea32mem:$src),
864 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
865 let isReMaterializable = 1 in
866 def LEA32r : I<0x8D, MRMSrcMem,
867 (outs GR32:$dst), (ins lea32mem:$src),
868 "lea{l}\t{$src|$dst}, {$dst|$src}",
869 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
871 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
872 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
873 [(X86rep_movs i8)]>, REP;
874 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
875 [(X86rep_movs i16)]>, REP, OpSize;
876 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
877 [(X86rep_movs i32)]>, REP;
880 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
881 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
882 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
883 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
884 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
887 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
888 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
889 [(X86rep_stos i8)]>, REP;
890 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
891 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
892 [(X86rep_stos i16)]>, REP, OpSize;
893 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
894 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
895 [(X86rep_stos i32)]>, REP;
897 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
898 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
899 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
900 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
901 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
902 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
903 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
905 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
906 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
907 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
909 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
910 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
911 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
913 let Defs = [RAX, RDX] in
914 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
917 let Defs = [RAX, RCX, RDX] in
918 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
920 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
921 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
924 def SYSCALL : I<0x05, RawFrm,
925 (outs), (ins), "syscall", []>, TB;
926 def SYSRET : I<0x07, RawFrm,
927 (outs), (ins), "sysret", []>, TB;
928 def SYSENTER : I<0x34, RawFrm,
929 (outs), (ins), "sysenter", []>, TB;
930 def SYSEXIT : I<0x35, RawFrm,
931 (outs), (ins), "sysexit", []>, TB;
933 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
936 //===----------------------------------------------------------------------===//
937 // Input/Output Instructions...
939 let Defs = [AL], Uses = [DX] in
940 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
941 "in{b}\t{%dx, %al|%AL, %DX}", []>;
942 let Defs = [AX], Uses = [DX] in
943 def IN16rr : I<0xED, RawFrm, (outs), (ins),
944 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
945 let Defs = [EAX], Uses = [DX] in
946 def IN32rr : I<0xED, RawFrm, (outs), (ins),
947 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
950 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
951 "in{b}\t{$port, %al|%AL, $port}", []>;
953 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
954 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
956 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
957 "in{l}\t{$port, %eax|%EAX, $port}", []>;
959 let Uses = [DX, AL] in
960 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
961 "out{b}\t{%al, %dx|%DX, %AL}", []>;
962 let Uses = [DX, AX] in
963 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
964 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
965 let Uses = [DX, EAX] in
966 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
967 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
970 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
971 "out{b}\t{%al, $port|$port, %AL}", []>;
973 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
974 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
976 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
977 "out{l}\t{%eax, $port|$port, %EAX}", []>;
979 def IN8 : I<0x6C, RawFrm, (outs), (ins),
981 def IN16 : I<0x6D, RawFrm, (outs), (ins),
982 "ins{w}", []>, OpSize;
983 def IN32 : I<0x6D, RawFrm, (outs), (ins),
986 //===----------------------------------------------------------------------===//
987 // Move Instructions...
989 let neverHasSideEffects = 1 in {
990 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
991 "mov{b}\t{$src, $dst|$dst, $src}", []>;
992 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
993 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
994 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
995 "mov{l}\t{$src, $dst|$dst, $src}", []>;
997 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
998 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
999 "mov{b}\t{$src, $dst|$dst, $src}",
1000 [(set GR8:$dst, imm:$src)]>;
1001 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1002 "mov{w}\t{$src, $dst|$dst, $src}",
1003 [(set GR16:$dst, imm:$src)]>, OpSize;
1004 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1005 "mov{l}\t{$src, $dst|$dst, $src}",
1006 [(set GR32:$dst, imm:$src)]>;
1009 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1010 "mov{b}\t{$src, $dst|$dst, $src}",
1011 [(store (i8 imm:$src), addr:$dst)]>;
1012 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1013 "mov{w}\t{$src, $dst|$dst, $src}",
1014 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
1015 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1016 "mov{l}\t{$src, $dst|$dst, $src}",
1017 [(store (i32 imm:$src), addr:$dst)]>;
1019 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1020 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
1021 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
1022 "mov{b}\t{$src, %al|%al, $src}", []>;
1023 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
1024 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1025 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1026 "mov{l}\t{$src, %eax|%eax, $src}", []>;
1027 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1028 "mov{b}\t{%al, $dst|$dst, %al}", []>;
1029 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1030 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
1031 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1032 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
1034 // Moves to and from segment registers
1035 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1036 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1037 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
1038 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1039 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1040 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1041 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
1042 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1043 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1044 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1045 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
1046 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1047 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1048 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1049 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
1050 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1052 let isCodeGenOnly = 1 in {
1053 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1054 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1055 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1056 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1057 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1058 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1061 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1062 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1063 "mov{b}\t{$src, $dst|$dst, $src}",
1064 [(set GR8:$dst, (loadi8 addr:$src))]>;
1065 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1066 "mov{w}\t{$src, $dst|$dst, $src}",
1067 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1068 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1069 "mov{l}\t{$src, $dst|$dst, $src}",
1070 [(set GR32:$dst, (loadi32 addr:$src))]>;
1073 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1074 "mov{b}\t{$src, $dst|$dst, $src}",
1075 [(store GR8:$src, addr:$dst)]>;
1076 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1077 "mov{w}\t{$src, $dst|$dst, $src}",
1078 [(store GR16:$src, addr:$dst)]>, OpSize;
1079 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1080 "mov{l}\t{$src, $dst|$dst, $src}",
1081 [(store GR32:$src, addr:$dst)]>;
1083 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1084 let neverHasSideEffects = 1 in
1085 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1086 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1089 canFoldAsLoad = 1, isReMaterializable = 1 in
1090 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1091 "mov{l}\t{$src, $dst|$dst, $src}",
1095 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1096 "mov{l}\t{$src, $dst|$dst, $src}",
1099 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1100 // that they can be used for copying and storing h registers, which can't be
1101 // encoded when a REX prefix is present.
1102 let neverHasSideEffects = 1 in
1103 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1104 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1105 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1107 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1108 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1109 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1111 canFoldAsLoad = 1, isReMaterializable = 1 in
1112 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1113 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1114 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1116 // Moves to and from debug registers
1117 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1118 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1119 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1120 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1122 // Moves to and from control registers
1123 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1124 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1125 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1126 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1128 //===----------------------------------------------------------------------===//
1129 // Fixed-Register Multiplication and Division Instructions...
1132 // Extra precision multiplication
1134 // AL is really implied by AX, by the registers in Defs must match the
1135 // SDNode results (i8, i32).
1136 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1137 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1138 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1139 // This probably ought to be moved to a def : Pat<> if the
1140 // syntax can be accepted.
1141 [(set AL, (mul AL, GR8:$src)),
1142 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1144 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1145 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1147 []>, OpSize; // AX,DX = AX*GR16
1149 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1150 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1152 []>; // EAX,EDX = EAX*GR32
1154 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1155 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1157 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1158 // This probably ought to be moved to a def : Pat<> if the
1159 // syntax can be accepted.
1160 [(set AL, (mul AL, (loadi8 addr:$src))),
1161 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1163 let mayLoad = 1, neverHasSideEffects = 1 in {
1164 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1165 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1167 []>, OpSize; // AX,DX = AX*[mem16]
1169 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1170 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1172 []>; // EAX,EDX = EAX*[mem32]
1175 let neverHasSideEffects = 1 in {
1176 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1177 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1179 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1180 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1181 OpSize; // AX,DX = AX*GR16
1182 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1183 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1184 // EAX,EDX = EAX*GR32
1185 let mayLoad = 1 in {
1186 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1187 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1188 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1189 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1190 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1191 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1192 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1193 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1194 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1196 } // neverHasSideEffects
1198 // unsigned division/remainder
1199 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1200 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1201 "div{b}\t$src", []>;
1202 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1203 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1204 "div{w}\t$src", []>, OpSize;
1205 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1206 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1207 "div{l}\t$src", []>;
1208 let mayLoad = 1 in {
1209 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1210 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1211 "div{b}\t$src", []>;
1212 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1213 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1214 "div{w}\t$src", []>, OpSize;
1215 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1216 // EDX:EAX/[mem32] = EAX,EDX
1217 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1218 "div{l}\t$src", []>;
1221 // Signed division/remainder.
1222 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1223 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1224 "idiv{b}\t$src", []>;
1225 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1226 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1227 "idiv{w}\t$src", []>, OpSize;
1228 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1229 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1230 "idiv{l}\t$src", []>;
1231 let mayLoad = 1, mayLoad = 1 in {
1232 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1233 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1234 "idiv{b}\t$src", []>;
1235 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1236 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1237 "idiv{w}\t$src", []>, OpSize;
1238 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1239 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1240 // EDX:EAX/[mem32] = EAX,EDX
1241 "idiv{l}\t$src", []>;
1244 //===----------------------------------------------------------------------===//
1245 // Two address Instructions.
1247 let isTwoAddress = 1 in {
1249 // Conditional moves
1250 let Uses = [EFLAGS] in {
1252 let Predicates = [HasCMov] in {
1253 let isCommutable = 1 in {
1254 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1255 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1256 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1257 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1258 X86_COND_B, EFLAGS))]>,
1260 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1261 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1262 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1263 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1264 X86_COND_B, EFLAGS))]>,
1266 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1267 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1268 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1269 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1270 X86_COND_AE, EFLAGS))]>,
1272 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1273 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1274 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1275 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1276 X86_COND_AE, EFLAGS))]>,
1278 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1279 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1280 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1281 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1282 X86_COND_E, EFLAGS))]>,
1284 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1285 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1286 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1287 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1288 X86_COND_E, EFLAGS))]>,
1290 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1291 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1292 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1293 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1294 X86_COND_NE, EFLAGS))]>,
1296 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1297 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1298 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1299 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1300 X86_COND_NE, EFLAGS))]>,
1302 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1303 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1304 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1305 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1306 X86_COND_BE, EFLAGS))]>,
1308 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1309 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1310 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1311 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1312 X86_COND_BE, EFLAGS))]>,
1314 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1315 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1316 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1317 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1318 X86_COND_A, EFLAGS))]>,
1320 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1321 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1322 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1323 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1324 X86_COND_A, EFLAGS))]>,
1326 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1327 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1328 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1329 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1330 X86_COND_L, EFLAGS))]>,
1332 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1333 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1334 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1335 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1336 X86_COND_L, EFLAGS))]>,
1338 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1339 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1340 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1341 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1342 X86_COND_GE, EFLAGS))]>,
1344 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1345 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1346 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1347 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1348 X86_COND_GE, EFLAGS))]>,
1350 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1351 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1352 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1353 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1354 X86_COND_LE, EFLAGS))]>,
1356 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1357 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1358 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1359 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1360 X86_COND_LE, EFLAGS))]>,
1362 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1363 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1364 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1365 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1366 X86_COND_G, EFLAGS))]>,
1368 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1369 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1370 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1371 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1372 X86_COND_G, EFLAGS))]>,
1374 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1375 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1376 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1377 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1378 X86_COND_S, EFLAGS))]>,
1380 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1381 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1382 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1383 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1384 X86_COND_S, EFLAGS))]>,
1386 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1387 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1388 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1389 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1390 X86_COND_NS, EFLAGS))]>,
1392 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1393 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1394 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1395 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1396 X86_COND_NS, EFLAGS))]>,
1398 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1399 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1400 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1401 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1402 X86_COND_P, EFLAGS))]>,
1404 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1405 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1406 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1407 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1408 X86_COND_P, EFLAGS))]>,
1410 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1411 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1412 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1413 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1414 X86_COND_NP, EFLAGS))]>,
1416 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1417 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1418 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1419 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1420 X86_COND_NP, EFLAGS))]>,
1422 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1423 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1424 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1425 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1426 X86_COND_O, EFLAGS))]>,
1428 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1429 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1430 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1431 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1432 X86_COND_O, EFLAGS))]>,
1434 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1435 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1436 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1437 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1438 X86_COND_NO, EFLAGS))]>,
1440 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1441 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1442 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1443 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1444 X86_COND_NO, EFLAGS))]>,
1446 } // isCommutable = 1
1448 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1449 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1450 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1451 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1452 X86_COND_B, EFLAGS))]>,
1454 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1455 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1456 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1457 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1458 X86_COND_B, EFLAGS))]>,
1460 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1461 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1462 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1463 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1464 X86_COND_AE, EFLAGS))]>,
1466 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1467 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1468 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1469 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1470 X86_COND_AE, EFLAGS))]>,
1472 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1473 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1474 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1475 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1476 X86_COND_E, EFLAGS))]>,
1478 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1479 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1480 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1481 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1482 X86_COND_E, EFLAGS))]>,
1484 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1485 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1486 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1487 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1488 X86_COND_NE, EFLAGS))]>,
1490 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1491 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1492 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1493 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1494 X86_COND_NE, EFLAGS))]>,
1496 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1497 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1498 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1499 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1500 X86_COND_BE, EFLAGS))]>,
1502 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1503 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1504 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1505 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1506 X86_COND_BE, EFLAGS))]>,
1508 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1509 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1510 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1511 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1512 X86_COND_A, EFLAGS))]>,
1514 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1515 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1516 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1517 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1518 X86_COND_A, EFLAGS))]>,
1520 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1521 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1522 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1523 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1524 X86_COND_L, EFLAGS))]>,
1526 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1527 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1528 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1529 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1530 X86_COND_L, EFLAGS))]>,
1532 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1533 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1534 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1535 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1536 X86_COND_GE, EFLAGS))]>,
1538 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1539 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1540 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1541 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1542 X86_COND_GE, EFLAGS))]>,
1544 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1545 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1546 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1547 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1548 X86_COND_LE, EFLAGS))]>,
1550 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1551 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1552 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1553 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1554 X86_COND_LE, EFLAGS))]>,
1556 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1557 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1558 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1559 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1560 X86_COND_G, EFLAGS))]>,
1562 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1563 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1564 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1565 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1566 X86_COND_G, EFLAGS))]>,
1568 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1569 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1570 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1571 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1572 X86_COND_S, EFLAGS))]>,
1574 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1575 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1576 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1577 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1578 X86_COND_S, EFLAGS))]>,
1580 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1581 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1582 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1583 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1584 X86_COND_NS, EFLAGS))]>,
1586 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1587 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1588 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1589 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1590 X86_COND_NS, EFLAGS))]>,
1592 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1593 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1594 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1595 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1596 X86_COND_P, EFLAGS))]>,
1598 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1599 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1600 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1601 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1602 X86_COND_P, EFLAGS))]>,
1604 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1605 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1606 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1607 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1608 X86_COND_NP, EFLAGS))]>,
1610 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1611 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1612 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1613 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1614 X86_COND_NP, EFLAGS))]>,
1616 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1617 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1618 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1619 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1620 X86_COND_O, EFLAGS))]>,
1622 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1623 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1624 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1625 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1626 X86_COND_O, EFLAGS))]>,
1628 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1629 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1630 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1631 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1632 X86_COND_NO, EFLAGS))]>,
1634 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1635 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1636 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1637 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1638 X86_COND_NO, EFLAGS))]>,
1640 } // Predicates = [HasCMov]
1642 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1643 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1644 // however that requires promoting the operands, and can induce additional
1645 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1646 // clobber EFLAGS, because if one of the operands is zero, the expansion
1647 // could involve an xor.
1648 let usesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in {
1649 def CMOV_GR8 : I<0, Pseudo,
1650 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1651 "#CMOV_GR8 PSEUDO!",
1652 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1653 imm:$cond, EFLAGS))]>;
1655 let Predicates = [NoCMov] in {
1656 def CMOV_GR32 : I<0, Pseudo,
1657 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1658 "#CMOV_GR32* PSEUDO!",
1660 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1661 def CMOV_GR16 : I<0, Pseudo,
1662 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1663 "#CMOV_GR16* PSEUDO!",
1665 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1666 def CMOV_RFP32 : I<0, Pseudo,
1667 (outs RFP32:$dst), (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1668 "#CMOV_RFP32 PSEUDO!",
1669 [(set RFP32:$dst, (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1671 def CMOV_RFP64 : I<0, Pseudo,
1672 (outs RFP64:$dst), (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1673 "#CMOV_RFP64 PSEUDO!",
1674 [(set RFP64:$dst, (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1676 def CMOV_RFP80 : I<0, Pseudo,
1677 (outs RFP80:$dst), (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1678 "#CMOV_RFP80 PSEUDO!",
1679 [(set RFP80:$dst, (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1681 } // Predicates = [NoCMov]
1682 } // UsesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS]
1683 } // Uses = [EFLAGS]
1686 // unary instructions
1687 let CodeSize = 2 in {
1688 let Defs = [EFLAGS] in {
1689 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1690 [(set GR8:$dst, (ineg GR8:$src)),
1691 (implicit EFLAGS)]>;
1692 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1693 [(set GR16:$dst, (ineg GR16:$src)),
1694 (implicit EFLAGS)]>, OpSize;
1695 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1696 [(set GR32:$dst, (ineg GR32:$src)),
1697 (implicit EFLAGS)]>;
1698 let isTwoAddress = 0 in {
1699 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1700 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1701 (implicit EFLAGS)]>;
1702 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1703 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1704 (implicit EFLAGS)]>, OpSize;
1705 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1706 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1707 (implicit EFLAGS)]>;
1709 } // Defs = [EFLAGS]
1711 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1712 let AddedComplexity = 15 in {
1713 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1714 [(set GR8:$dst, (not GR8:$src))]>;
1715 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1716 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1717 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1718 [(set GR32:$dst, (not GR32:$src))]>;
1720 let isTwoAddress = 0 in {
1721 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1722 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1723 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1724 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1725 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1726 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1730 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1731 let Defs = [EFLAGS] in {
1733 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1734 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src))]>;
1736 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1737 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1739 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src))]>,
1740 OpSize, Requires<[In32BitMode]>;
1741 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1743 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src))]>,
1744 Requires<[In32BitMode]>;
1746 let isTwoAddress = 0, CodeSize = 2 in {
1747 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1748 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1749 (implicit EFLAGS)]>;
1750 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1751 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1752 (implicit EFLAGS)]>,
1753 OpSize, Requires<[In32BitMode]>;
1754 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1755 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1756 (implicit EFLAGS)]>,
1757 Requires<[In32BitMode]>;
1761 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1762 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src))]>;
1763 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1764 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1766 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src))]>,
1767 OpSize, Requires<[In32BitMode]>;
1768 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1770 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src))]>,
1771 Requires<[In32BitMode]>;
1774 let isTwoAddress = 0, CodeSize = 2 in {
1775 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1776 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1777 (implicit EFLAGS)]>;
1778 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1779 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1780 (implicit EFLAGS)]>,
1781 OpSize, Requires<[In32BitMode]>;
1782 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1783 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1784 (implicit EFLAGS)]>,
1785 Requires<[In32BitMode]>;
1787 } // Defs = [EFLAGS]
1789 // Logical operators...
1790 let Defs = [EFLAGS] in {
1791 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1792 def AND8rr : I<0x20, MRMDestReg,
1793 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1794 "and{b}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1796 def AND16rr : I<0x21, MRMDestReg,
1797 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1798 "and{w}\t{$src2, $dst|$dst, $src2}",
1799 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1800 GR16:$src2))]>, OpSize;
1801 def AND32rr : I<0x21, MRMDestReg,
1802 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1803 "and{l}\t{$src2, $dst|$dst, $src2}",
1804 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1808 // AND instructions with the destination register in REG and the source register
1809 // in R/M. Included for the disassembler.
1810 let isCodeGenOnly = 1 in {
1811 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1812 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1813 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1814 (ins GR16:$src1, GR16:$src2),
1815 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1816 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1817 (ins GR32:$src1, GR32:$src2),
1818 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1821 def AND8rm : I<0x22, MRMSrcMem,
1822 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1823 "and{b}\t{$src2, $dst|$dst, $src2}",
1824 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1825 (loadi8 addr:$src2)))]>;
1826 def AND16rm : I<0x23, MRMSrcMem,
1827 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1828 "and{w}\t{$src2, $dst|$dst, $src2}",
1829 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1830 (loadi16 addr:$src2)))]>,
1832 def AND32rm : I<0x23, MRMSrcMem,
1833 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1834 "and{l}\t{$src2, $dst|$dst, $src2}",
1835 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1836 (loadi32 addr:$src2)))]>;
1838 def AND8ri : Ii8<0x80, MRM4r,
1839 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1840 "and{b}\t{$src2, $dst|$dst, $src2}",
1841 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1843 def AND16ri : Ii16<0x81, MRM4r,
1844 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1845 "and{w}\t{$src2, $dst|$dst, $src2}",
1846 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1847 imm:$src2))]>, OpSize;
1848 def AND32ri : Ii32<0x81, MRM4r,
1849 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1850 "and{l}\t{$src2, $dst|$dst, $src2}",
1851 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1853 def AND16ri8 : Ii8<0x83, MRM4r,
1854 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1855 "and{w}\t{$src2, $dst|$dst, $src2}",
1856 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1857 i16immSExt8:$src2))]>,
1859 def AND32ri8 : Ii8<0x83, MRM4r,
1860 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1861 "and{l}\t{$src2, $dst|$dst, $src2}",
1862 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1863 i32immSExt8:$src2))]>;
1865 let isTwoAddress = 0 in {
1866 def AND8mr : I<0x20, MRMDestMem,
1867 (outs), (ins i8mem :$dst, GR8 :$src),
1868 "and{b}\t{$src, $dst|$dst, $src}",
1869 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1870 (implicit EFLAGS)]>;
1871 def AND16mr : I<0x21, MRMDestMem,
1872 (outs), (ins i16mem:$dst, GR16:$src),
1873 "and{w}\t{$src, $dst|$dst, $src}",
1874 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1875 (implicit EFLAGS)]>,
1877 def AND32mr : I<0x21, MRMDestMem,
1878 (outs), (ins i32mem:$dst, GR32:$src),
1879 "and{l}\t{$src, $dst|$dst, $src}",
1880 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1881 (implicit EFLAGS)]>;
1882 def AND8mi : Ii8<0x80, MRM4m,
1883 (outs), (ins i8mem :$dst, i8imm :$src),
1884 "and{b}\t{$src, $dst|$dst, $src}",
1885 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1886 (implicit EFLAGS)]>;
1887 def AND16mi : Ii16<0x81, MRM4m,
1888 (outs), (ins i16mem:$dst, i16imm:$src),
1889 "and{w}\t{$src, $dst|$dst, $src}",
1890 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1891 (implicit EFLAGS)]>,
1893 def AND32mi : Ii32<0x81, MRM4m,
1894 (outs), (ins i32mem:$dst, i32imm:$src),
1895 "and{l}\t{$src, $dst|$dst, $src}",
1896 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1897 (implicit EFLAGS)]>;
1898 def AND16mi8 : Ii8<0x83, MRM4m,
1899 (outs), (ins i16mem:$dst, i16i8imm :$src),
1900 "and{w}\t{$src, $dst|$dst, $src}",
1901 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1902 (implicit EFLAGS)]>,
1904 def AND32mi8 : Ii8<0x83, MRM4m,
1905 (outs), (ins i32mem:$dst, i32i8imm :$src),
1906 "and{l}\t{$src, $dst|$dst, $src}",
1907 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1908 (implicit EFLAGS)]>;
1910 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1911 "and{b}\t{$src, %al|%al, $src}", []>;
1912 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1913 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1914 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1915 "and{l}\t{$src, %eax|%eax, $src}", []>;
1920 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1921 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1922 (ins GR8 :$src1, GR8 :$src2),
1923 "or{b}\t{$src2, $dst|$dst, $src2}",
1924 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1925 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1926 (ins GR16:$src1, GR16:$src2),
1927 "or{w}\t{$src2, $dst|$dst, $src2}",
1928 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1930 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1931 (ins GR32:$src1, GR32:$src2),
1932 "or{l}\t{$src2, $dst|$dst, $src2}",
1933 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1936 // OR instructions with the destination register in REG and the source register
1937 // in R/M. Included for the disassembler.
1938 let isCodeGenOnly = 1 in {
1939 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1940 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1941 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1942 (ins GR16:$src1, GR16:$src2),
1943 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1944 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1945 (ins GR32:$src1, GR32:$src2),
1946 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1949 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1950 (ins GR8 :$src1, i8mem :$src2),
1951 "or{b}\t{$src2, $dst|$dst, $src2}",
1952 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1953 (load addr:$src2)))]>;
1954 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1955 (ins GR16:$src1, i16mem:$src2),
1956 "or{w}\t{$src2, $dst|$dst, $src2}",
1957 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1958 (load addr:$src2)))]>,
1960 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
1961 (ins GR32:$src1, i32mem:$src2),
1962 "or{l}\t{$src2, $dst|$dst, $src2}",
1963 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1964 (load addr:$src2)))]>;
1966 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1967 (ins GR8 :$src1, i8imm:$src2),
1968 "or{b}\t{$src2, $dst|$dst, $src2}",
1969 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
1970 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1971 (ins GR16:$src1, i16imm:$src2),
1972 "or{w}\t{$src2, $dst|$dst, $src2}",
1973 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1974 imm:$src2))]>, OpSize;
1975 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1976 (ins GR32:$src1, i32imm:$src2),
1977 "or{l}\t{$src2, $dst|$dst, $src2}",
1978 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1981 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1982 (ins GR16:$src1, i16i8imm:$src2),
1983 "or{w}\t{$src2, $dst|$dst, $src2}",
1984 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1985 i16immSExt8:$src2))]>, OpSize;
1986 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1987 (ins GR32:$src1, i32i8imm:$src2),
1988 "or{l}\t{$src2, $dst|$dst, $src2}",
1989 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1990 i32immSExt8:$src2))]>;
1991 let isTwoAddress = 0 in {
1992 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1993 "or{b}\t{$src, $dst|$dst, $src}",
1994 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1995 (implicit EFLAGS)]>;
1996 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1997 "or{w}\t{$src, $dst|$dst, $src}",
1998 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1999 (implicit EFLAGS)]>, OpSize;
2000 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2001 "or{l}\t{$src, $dst|$dst, $src}",
2002 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
2003 (implicit EFLAGS)]>;
2004 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2005 "or{b}\t{$src, $dst|$dst, $src}",
2006 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
2007 (implicit EFLAGS)]>;
2008 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
2009 "or{w}\t{$src, $dst|$dst, $src}",
2010 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
2011 (implicit EFLAGS)]>,
2013 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
2014 "or{l}\t{$src, $dst|$dst, $src}",
2015 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
2016 (implicit EFLAGS)]>;
2017 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
2018 "or{w}\t{$src, $dst|$dst, $src}",
2019 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
2020 (implicit EFLAGS)]>,
2022 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
2023 "or{l}\t{$src, $dst|$dst, $src}",
2024 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
2025 (implicit EFLAGS)]>;
2027 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
2028 "or{b}\t{$src, %al|%al, $src}", []>;
2029 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
2030 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2031 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
2032 "or{l}\t{$src, %eax|%eax, $src}", []>;
2033 } // isTwoAddress = 0
2036 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2037 def XOR8rr : I<0x30, MRMDestReg,
2038 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2039 "xor{b}\t{$src2, $dst|$dst, $src2}",
2040 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2042 def XOR16rr : I<0x31, MRMDestReg,
2043 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2044 "xor{w}\t{$src2, $dst|$dst, $src2}",
2045 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2046 GR16:$src2))]>, OpSize;
2047 def XOR32rr : I<0x31, MRMDestReg,
2048 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2049 "xor{l}\t{$src2, $dst|$dst, $src2}",
2050 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2052 } // isCommutable = 1
2054 // XOR instructions with the destination register in REG and the source register
2055 // in R/M. Included for the disassembler.
2056 let isCodeGenOnly = 1 in {
2057 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2058 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2059 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2060 (ins GR16:$src1, GR16:$src2),
2061 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2062 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2063 (ins GR32:$src1, GR32:$src2),
2064 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2067 def XOR8rm : I<0x32, MRMSrcMem,
2068 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2069 "xor{b}\t{$src2, $dst|$dst, $src2}",
2070 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2071 (load addr:$src2)))]>;
2072 def XOR16rm : I<0x33, MRMSrcMem,
2073 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2074 "xor{w}\t{$src2, $dst|$dst, $src2}",
2075 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2076 (load addr:$src2)))]>,
2078 def XOR32rm : I<0x33, MRMSrcMem,
2079 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2080 "xor{l}\t{$src2, $dst|$dst, $src2}",
2081 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2082 (load addr:$src2)))]>;
2084 def XOR8ri : Ii8<0x80, MRM6r,
2085 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2086 "xor{b}\t{$src2, $dst|$dst, $src2}",
2087 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2088 def XOR16ri : Ii16<0x81, MRM6r,
2089 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2090 "xor{w}\t{$src2, $dst|$dst, $src2}",
2091 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2092 imm:$src2))]>, OpSize;
2093 def XOR32ri : Ii32<0x81, MRM6r,
2094 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2095 "xor{l}\t{$src2, $dst|$dst, $src2}",
2096 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2098 def XOR16ri8 : Ii8<0x83, MRM6r,
2099 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2100 "xor{w}\t{$src2, $dst|$dst, $src2}",
2101 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2102 i16immSExt8:$src2))]>,
2104 def XOR32ri8 : Ii8<0x83, MRM6r,
2105 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2106 "xor{l}\t{$src2, $dst|$dst, $src2}",
2107 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2108 i32immSExt8:$src2))]>;
2110 let isTwoAddress = 0 in {
2111 def XOR8mr : I<0x30, MRMDestMem,
2112 (outs), (ins i8mem :$dst, GR8 :$src),
2113 "xor{b}\t{$src, $dst|$dst, $src}",
2114 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2115 (implicit EFLAGS)]>;
2116 def XOR16mr : I<0x31, MRMDestMem,
2117 (outs), (ins i16mem:$dst, GR16:$src),
2118 "xor{w}\t{$src, $dst|$dst, $src}",
2119 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2120 (implicit EFLAGS)]>,
2122 def XOR32mr : I<0x31, MRMDestMem,
2123 (outs), (ins i32mem:$dst, GR32:$src),
2124 "xor{l}\t{$src, $dst|$dst, $src}",
2125 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2126 (implicit EFLAGS)]>;
2127 def XOR8mi : Ii8<0x80, MRM6m,
2128 (outs), (ins i8mem :$dst, i8imm :$src),
2129 "xor{b}\t{$src, $dst|$dst, $src}",
2130 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2131 (implicit EFLAGS)]>;
2132 def XOR16mi : Ii16<0x81, MRM6m,
2133 (outs), (ins i16mem:$dst, i16imm:$src),
2134 "xor{w}\t{$src, $dst|$dst, $src}",
2135 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2136 (implicit EFLAGS)]>,
2138 def XOR32mi : Ii32<0x81, MRM6m,
2139 (outs), (ins i32mem:$dst, i32imm:$src),
2140 "xor{l}\t{$src, $dst|$dst, $src}",
2141 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2142 (implicit EFLAGS)]>;
2143 def XOR16mi8 : Ii8<0x83, MRM6m,
2144 (outs), (ins i16mem:$dst, i16i8imm :$src),
2145 "xor{w}\t{$src, $dst|$dst, $src}",
2146 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2147 (implicit EFLAGS)]>,
2149 def XOR32mi8 : Ii8<0x83, MRM6m,
2150 (outs), (ins i32mem:$dst, i32i8imm :$src),
2151 "xor{l}\t{$src, $dst|$dst, $src}",
2152 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2153 (implicit EFLAGS)]>;
2155 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2156 "xor{b}\t{$src, %al|%al, $src}", []>;
2157 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2158 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2159 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2160 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2161 } // isTwoAddress = 0
2162 } // Defs = [EFLAGS]
2164 // Shift instructions
2165 let Defs = [EFLAGS] in {
2166 let Uses = [CL] in {
2167 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
2168 "shl{b}\t{%cl, $dst|$dst, CL}",
2169 [(set GR8:$dst, (shl GR8:$src, CL))]>;
2170 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
2171 "shl{w}\t{%cl, $dst|$dst, CL}",
2172 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
2173 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
2174 "shl{l}\t{%cl, $dst|$dst, CL}",
2175 [(set GR32:$dst, (shl GR32:$src, CL))]>;
2178 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2179 "shl{b}\t{$src2, $dst|$dst, $src2}",
2180 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2181 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2182 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2183 "shl{w}\t{$src2, $dst|$dst, $src2}",
2184 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2185 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2186 "shl{l}\t{$src2, $dst|$dst, $src2}",
2187 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2189 // NOTE: We don't include patterns for shifts of a register by one, because
2190 // 'add reg,reg' is cheaper.
2192 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2193 "shl{b}\t$dst", []>;
2194 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2195 "shl{w}\t$dst", []>, OpSize;
2196 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2197 "shl{l}\t$dst", []>;
2199 } // isConvertibleToThreeAddress = 1
2201 let isTwoAddress = 0 in {
2202 let Uses = [CL] in {
2203 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2204 "shl{b}\t{%cl, $dst|$dst, CL}",
2205 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2206 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2207 "shl{w}\t{%cl, $dst|$dst, CL}",
2208 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2209 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2210 "shl{l}\t{%cl, $dst|$dst, CL}",
2211 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2213 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2214 "shl{b}\t{$src, $dst|$dst, $src}",
2215 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2216 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2217 "shl{w}\t{$src, $dst|$dst, $src}",
2218 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2220 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2221 "shl{l}\t{$src, $dst|$dst, $src}",
2222 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2225 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2227 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2228 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2230 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2232 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2234 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2237 let Uses = [CL] in {
2238 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2239 "shr{b}\t{%cl, $dst|$dst, CL}",
2240 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2241 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2242 "shr{w}\t{%cl, $dst|$dst, CL}",
2243 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2244 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2245 "shr{l}\t{%cl, $dst|$dst, CL}",
2246 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2249 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2250 "shr{b}\t{$src2, $dst|$dst, $src2}",
2251 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2252 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2253 "shr{w}\t{$src2, $dst|$dst, $src2}",
2254 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2255 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2256 "shr{l}\t{$src2, $dst|$dst, $src2}",
2257 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2260 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2262 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2263 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2265 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2266 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2268 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2270 let isTwoAddress = 0 in {
2271 let Uses = [CL] in {
2272 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2273 "shr{b}\t{%cl, $dst|$dst, CL}",
2274 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2275 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2276 "shr{w}\t{%cl, $dst|$dst, CL}",
2277 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2279 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2280 "shr{l}\t{%cl, $dst|$dst, CL}",
2281 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2283 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2284 "shr{b}\t{$src, $dst|$dst, $src}",
2285 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2286 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2287 "shr{w}\t{$src, $dst|$dst, $src}",
2288 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2290 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2291 "shr{l}\t{$src, $dst|$dst, $src}",
2292 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2295 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2297 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2298 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2300 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2301 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2303 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2306 let Uses = [CL] in {
2307 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2308 "sar{b}\t{%cl, $dst|$dst, CL}",
2309 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2310 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2311 "sar{w}\t{%cl, $dst|$dst, CL}",
2312 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2313 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2314 "sar{l}\t{%cl, $dst|$dst, CL}",
2315 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2318 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2319 "sar{b}\t{$src2, $dst|$dst, $src2}",
2320 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2321 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2322 "sar{w}\t{$src2, $dst|$dst, $src2}",
2323 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2325 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2326 "sar{l}\t{$src2, $dst|$dst, $src2}",
2327 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2330 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2332 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2333 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2335 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2336 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2338 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2340 let isTwoAddress = 0 in {
2341 let Uses = [CL] in {
2342 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2343 "sar{b}\t{%cl, $dst|$dst, CL}",
2344 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2345 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2346 "sar{w}\t{%cl, $dst|$dst, CL}",
2347 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2348 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2349 "sar{l}\t{%cl, $dst|$dst, CL}",
2350 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2352 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2353 "sar{b}\t{$src, $dst|$dst, $src}",
2354 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2355 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2356 "sar{w}\t{$src, $dst|$dst, $src}",
2357 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2359 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2360 "sar{l}\t{$src, $dst|$dst, $src}",
2361 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2364 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2366 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2367 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2369 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2371 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2373 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2376 // Rotate instructions
2378 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2379 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2380 let Uses = [CL] in {
2381 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2382 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2384 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2385 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2387 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2388 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2389 let Uses = [CL] in {
2390 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2391 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2393 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2394 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2396 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2397 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2398 let Uses = [CL] in {
2399 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2400 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2402 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2403 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2405 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2406 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2407 let Uses = [CL] in {
2408 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2409 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2411 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2412 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2414 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2415 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2416 let Uses = [CL] in {
2417 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2418 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2420 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2421 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2423 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2424 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2425 let Uses = [CL] in {
2426 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2427 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2429 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2430 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2432 let isTwoAddress = 0 in {
2433 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2434 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2435 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2436 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2437 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2438 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2439 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2440 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2441 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2442 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2443 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2444 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2445 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2446 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2447 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2448 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2449 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2450 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2451 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2452 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2453 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2454 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2455 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2456 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2458 let Uses = [CL] in {
2459 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2460 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2461 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2462 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2463 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2464 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2465 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2466 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2467 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2468 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2469 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2470 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2474 // FIXME: provide shorter instructions when imm8 == 1
2475 let Uses = [CL] in {
2476 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2477 "rol{b}\t{%cl, $dst|$dst, CL}",
2478 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2479 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2480 "rol{w}\t{%cl, $dst|$dst, CL}",
2481 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2482 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2483 "rol{l}\t{%cl, $dst|$dst, CL}",
2484 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2487 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2488 "rol{b}\t{$src2, $dst|$dst, $src2}",
2489 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2490 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2491 "rol{w}\t{$src2, $dst|$dst, $src2}",
2492 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2494 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2495 "rol{l}\t{$src2, $dst|$dst, $src2}",
2496 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2499 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2501 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2502 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2504 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2505 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2507 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2509 let isTwoAddress = 0 in {
2510 let Uses = [CL] in {
2511 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2512 "rol{b}\t{%cl, $dst|$dst, CL}",
2513 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2514 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2515 "rol{w}\t{%cl, $dst|$dst, CL}",
2516 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2517 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2518 "rol{l}\t{%cl, $dst|$dst, CL}",
2519 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2521 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2522 "rol{b}\t{$src, $dst|$dst, $src}",
2523 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2524 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2525 "rol{w}\t{$src, $dst|$dst, $src}",
2526 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2528 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2529 "rol{l}\t{$src, $dst|$dst, $src}",
2530 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2533 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2535 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2536 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2538 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2540 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2542 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2545 let Uses = [CL] in {
2546 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2547 "ror{b}\t{%cl, $dst|$dst, CL}",
2548 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2549 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2550 "ror{w}\t{%cl, $dst|$dst, CL}",
2551 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2552 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2553 "ror{l}\t{%cl, $dst|$dst, CL}",
2554 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2557 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2558 "ror{b}\t{$src2, $dst|$dst, $src2}",
2559 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2560 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2561 "ror{w}\t{$src2, $dst|$dst, $src2}",
2562 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2564 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2565 "ror{l}\t{$src2, $dst|$dst, $src2}",
2566 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2569 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2571 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2572 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2574 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2575 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2577 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2579 let isTwoAddress = 0 in {
2580 let Uses = [CL] in {
2581 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2582 "ror{b}\t{%cl, $dst|$dst, CL}",
2583 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2584 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2585 "ror{w}\t{%cl, $dst|$dst, CL}",
2586 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2587 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2588 "ror{l}\t{%cl, $dst|$dst, CL}",
2589 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2591 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2592 "ror{b}\t{$src, $dst|$dst, $src}",
2593 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2594 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2595 "ror{w}\t{$src, $dst|$dst, $src}",
2596 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2598 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2599 "ror{l}\t{$src, $dst|$dst, $src}",
2600 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2603 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2605 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2606 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2608 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2610 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2612 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2617 // Double shift instructions (generalizations of rotate)
2618 let Uses = [CL] in {
2619 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2620 (ins GR32:$src1, GR32:$src2),
2621 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2622 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2623 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2624 (ins GR32:$src1, GR32:$src2),
2625 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2626 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2627 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2628 (ins GR16:$src1, GR16:$src2),
2629 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2630 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2632 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2633 (ins GR16:$src1, GR16:$src2),
2634 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2635 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2639 let isCommutable = 1 in { // These instructions commute to each other.
2640 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2642 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2643 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2644 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2647 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2649 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2650 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2651 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2654 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2656 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2657 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2658 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2661 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2663 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2664 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2665 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2670 let isTwoAddress = 0 in {
2671 let Uses = [CL] in {
2672 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2673 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2674 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2676 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2677 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2678 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2681 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2682 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2683 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2684 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2685 (i8 imm:$src3)), addr:$dst)]>,
2687 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2688 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2689 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2690 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2691 (i8 imm:$src3)), addr:$dst)]>,
2694 let Uses = [CL] in {
2695 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2696 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2697 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2698 addr:$dst)]>, TB, OpSize;
2699 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2700 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2701 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2702 addr:$dst)]>, TB, OpSize;
2704 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2705 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2706 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2707 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2708 (i8 imm:$src3)), addr:$dst)]>,
2710 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2711 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2712 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2713 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2714 (i8 imm:$src3)), addr:$dst)]>,
2717 } // Defs = [EFLAGS]
2721 let Defs = [EFLAGS] in {
2722 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2723 // Register-Register Addition
2724 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2725 (ins GR8 :$src1, GR8 :$src2),
2726 "add{b}\t{$src2, $dst|$dst, $src2}",
2727 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2729 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2730 // Register-Register Addition
2731 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2732 (ins GR16:$src1, GR16:$src2),
2733 "add{w}\t{$src2, $dst|$dst, $src2}",
2734 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2735 GR16:$src2))]>, OpSize;
2736 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2737 (ins GR32:$src1, GR32:$src2),
2738 "add{l}\t{$src2, $dst|$dst, $src2}",
2739 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2741 } // end isConvertibleToThreeAddress
2742 } // end isCommutable
2744 // These are alternate spellings for use by the disassembler, we mark them as
2745 // code gen only to ensure they aren't matched by the assembler.
2746 let isCodeGenOnly = 1 in {
2747 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2748 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2749 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2750 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2751 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2752 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2755 // Register-Memory Addition
2756 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2757 (ins GR8 :$src1, i8mem :$src2),
2758 "add{b}\t{$src2, $dst|$dst, $src2}",
2759 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2760 (load addr:$src2)))]>;
2761 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2762 (ins GR16:$src1, i16mem:$src2),
2763 "add{w}\t{$src2, $dst|$dst, $src2}",
2764 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2765 (load addr:$src2)))]>, OpSize;
2766 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2767 (ins GR32:$src1, i32mem:$src2),
2768 "add{l}\t{$src2, $dst|$dst, $src2}",
2769 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2770 (load addr:$src2)))]>;
2772 // Register-Integer Addition
2773 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2774 "add{b}\t{$src2, $dst|$dst, $src2}",
2775 [(set GR8:$dst, EFLAGS,
2776 (X86add_flag GR8:$src1, imm:$src2))]>;
2778 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2779 // Register-Integer Addition
2780 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2781 (ins GR16:$src1, i16imm:$src2),
2782 "add{w}\t{$src2, $dst|$dst, $src2}",
2783 [(set GR16:$dst, EFLAGS,
2784 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2785 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2786 (ins GR32:$src1, i32imm:$src2),
2787 "add{l}\t{$src2, $dst|$dst, $src2}",
2788 [(set GR32:$dst, EFLAGS,
2789 (X86add_flag GR32:$src1, imm:$src2))]>;
2790 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2791 (ins GR16:$src1, i16i8imm:$src2),
2792 "add{w}\t{$src2, $dst|$dst, $src2}",
2793 [(set GR16:$dst, EFLAGS,
2794 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2795 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2796 (ins GR32:$src1, i32i8imm:$src2),
2797 "add{l}\t{$src2, $dst|$dst, $src2}",
2798 [(set GR32:$dst, EFLAGS,
2799 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2802 let isTwoAddress = 0 in {
2803 // Memory-Register Addition
2804 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2805 "add{b}\t{$src2, $dst|$dst, $src2}",
2806 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2807 (implicit EFLAGS)]>;
2808 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2809 "add{w}\t{$src2, $dst|$dst, $src2}",
2810 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2811 (implicit EFLAGS)]>, OpSize;
2812 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2813 "add{l}\t{$src2, $dst|$dst, $src2}",
2814 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2815 (implicit EFLAGS)]>;
2816 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2817 "add{b}\t{$src2, $dst|$dst, $src2}",
2818 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2819 (implicit EFLAGS)]>;
2820 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2821 "add{w}\t{$src2, $dst|$dst, $src2}",
2822 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2823 (implicit EFLAGS)]>, OpSize;
2824 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2825 "add{l}\t{$src2, $dst|$dst, $src2}",
2826 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2827 (implicit EFLAGS)]>;
2828 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2829 "add{w}\t{$src2, $dst|$dst, $src2}",
2830 [(store (add (load addr:$dst), i16immSExt8:$src2),
2832 (implicit EFLAGS)]>, OpSize;
2833 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2834 "add{l}\t{$src2, $dst|$dst, $src2}",
2835 [(store (add (load addr:$dst), i32immSExt8:$src2),
2837 (implicit EFLAGS)]>;
2840 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2841 "add{b}\t{$src, %al|%al, $src}", []>;
2842 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2843 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2844 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2845 "add{l}\t{$src, %eax|%eax, $src}", []>;
2848 let Uses = [EFLAGS] in {
2849 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2850 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2851 "adc{b}\t{$src2, $dst|$dst, $src2}",
2852 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2853 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2854 (ins GR16:$src1, GR16:$src2),
2855 "adc{w}\t{$src2, $dst|$dst, $src2}",
2856 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2857 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2858 (ins GR32:$src1, GR32:$src2),
2859 "adc{l}\t{$src2, $dst|$dst, $src2}",
2860 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2863 let isCodeGenOnly = 1 in {
2864 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2865 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2866 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2867 (ins GR16:$src1, GR16:$src2),
2868 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2869 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2870 (ins GR32:$src1, GR32:$src2),
2871 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2874 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2875 (ins GR8:$src1, i8mem:$src2),
2876 "adc{b}\t{$src2, $dst|$dst, $src2}",
2877 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2878 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2879 (ins GR16:$src1, i16mem:$src2),
2880 "adc{w}\t{$src2, $dst|$dst, $src2}",
2881 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2883 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2884 (ins GR32:$src1, i32mem:$src2),
2885 "adc{l}\t{$src2, $dst|$dst, $src2}",
2886 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2887 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2888 "adc{b}\t{$src2, $dst|$dst, $src2}",
2889 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2890 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2891 (ins GR16:$src1, i16imm:$src2),
2892 "adc{w}\t{$src2, $dst|$dst, $src2}",
2893 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2894 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2895 (ins GR16:$src1, i16i8imm:$src2),
2896 "adc{w}\t{$src2, $dst|$dst, $src2}",
2897 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2899 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2900 (ins GR32:$src1, i32imm:$src2),
2901 "adc{l}\t{$src2, $dst|$dst, $src2}",
2902 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2903 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2904 (ins GR32:$src1, i32i8imm:$src2),
2905 "adc{l}\t{$src2, $dst|$dst, $src2}",
2906 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2908 let isTwoAddress = 0 in {
2909 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2910 "adc{b}\t{$src2, $dst|$dst, $src2}",
2911 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2912 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2913 "adc{w}\t{$src2, $dst|$dst, $src2}",
2914 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2916 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2917 "adc{l}\t{$src2, $dst|$dst, $src2}",
2918 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2919 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2920 "adc{b}\t{$src2, $dst|$dst, $src2}",
2921 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2922 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2923 "adc{w}\t{$src2, $dst|$dst, $src2}",
2924 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2926 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2927 "adc{w}\t{$src2, $dst|$dst, $src2}",
2928 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2930 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2931 "adc{l}\t{$src2, $dst|$dst, $src2}",
2932 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2933 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2934 "adc{l}\t{$src2, $dst|$dst, $src2}",
2935 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2937 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2938 "adc{b}\t{$src, %al|%al, $src}", []>;
2939 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2940 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2941 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2942 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2944 } // Uses = [EFLAGS]
2946 // Register-Register Subtraction
2947 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2948 "sub{b}\t{$src2, $dst|$dst, $src2}",
2949 [(set GR8:$dst, EFLAGS,
2950 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2951 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2952 "sub{w}\t{$src2, $dst|$dst, $src2}",
2953 [(set GR16:$dst, EFLAGS,
2954 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
2955 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2956 "sub{l}\t{$src2, $dst|$dst, $src2}",
2957 [(set GR32:$dst, EFLAGS,
2958 (X86sub_flag GR32:$src1, GR32:$src2))]>;
2960 let isCodeGenOnly = 1 in {
2961 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2962 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2963 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2964 (ins GR16:$src1, GR16:$src2),
2965 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2966 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2967 (ins GR32:$src1, GR32:$src2),
2968 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2971 // Register-Memory Subtraction
2972 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2973 (ins GR8 :$src1, i8mem :$src2),
2974 "sub{b}\t{$src2, $dst|$dst, $src2}",
2975 [(set GR8:$dst, EFLAGS,
2976 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
2977 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2978 (ins GR16:$src1, i16mem:$src2),
2979 "sub{w}\t{$src2, $dst|$dst, $src2}",
2980 [(set GR16:$dst, EFLAGS,
2981 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
2982 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2983 (ins GR32:$src1, i32mem:$src2),
2984 "sub{l}\t{$src2, $dst|$dst, $src2}",
2985 [(set GR32:$dst, EFLAGS,
2986 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
2988 // Register-Integer Subtraction
2989 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2990 (ins GR8:$src1, i8imm:$src2),
2991 "sub{b}\t{$src2, $dst|$dst, $src2}",
2992 [(set GR8:$dst, EFLAGS,
2993 (X86sub_flag GR8:$src1, imm:$src2))]>;
2994 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2995 (ins GR16:$src1, i16imm:$src2),
2996 "sub{w}\t{$src2, $dst|$dst, $src2}",
2997 [(set GR16:$dst, EFLAGS,
2998 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
2999 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
3000 (ins GR32:$src1, i32imm:$src2),
3001 "sub{l}\t{$src2, $dst|$dst, $src2}",
3002 [(set GR32:$dst, EFLAGS,
3003 (X86sub_flag GR32:$src1, imm:$src2))]>;
3004 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
3005 (ins GR16:$src1, i16i8imm:$src2),
3006 "sub{w}\t{$src2, $dst|$dst, $src2}",
3007 [(set GR16:$dst, EFLAGS,
3008 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
3009 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
3010 (ins GR32:$src1, i32i8imm:$src2),
3011 "sub{l}\t{$src2, $dst|$dst, $src2}",
3012 [(set GR32:$dst, EFLAGS,
3013 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
3015 let isTwoAddress = 0 in {
3016 // Memory-Register Subtraction
3017 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3018 "sub{b}\t{$src2, $dst|$dst, $src2}",
3019 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
3020 (implicit EFLAGS)]>;
3021 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3022 "sub{w}\t{$src2, $dst|$dst, $src2}",
3023 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
3024 (implicit EFLAGS)]>, OpSize;
3025 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3026 "sub{l}\t{$src2, $dst|$dst, $src2}",
3027 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
3028 (implicit EFLAGS)]>;
3030 // Memory-Integer Subtraction
3031 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3032 "sub{b}\t{$src2, $dst|$dst, $src2}",
3033 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
3034 (implicit EFLAGS)]>;
3035 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3036 "sub{w}\t{$src2, $dst|$dst, $src2}",
3037 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
3038 (implicit EFLAGS)]>, OpSize;
3039 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3040 "sub{l}\t{$src2, $dst|$dst, $src2}",
3041 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3042 (implicit EFLAGS)]>;
3043 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3044 "sub{w}\t{$src2, $dst|$dst, $src2}",
3045 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3047 (implicit EFLAGS)]>, OpSize;
3048 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3049 "sub{l}\t{$src2, $dst|$dst, $src2}",
3050 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3052 (implicit EFLAGS)]>;
3054 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3055 "sub{b}\t{$src, %al|%al, $src}", []>;
3056 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3057 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3058 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3059 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3062 let Uses = [EFLAGS] in {
3063 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3064 (ins GR8:$src1, GR8:$src2),
3065 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3066 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3067 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3068 (ins GR16:$src1, GR16:$src2),
3069 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3070 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3071 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3072 (ins GR32:$src1, GR32:$src2),
3073 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3074 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3076 let isTwoAddress = 0 in {
3077 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3078 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3079 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3080 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3081 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3082 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3084 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3085 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3086 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3087 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3088 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3089 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3090 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3091 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3092 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3094 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3095 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3096 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3098 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3099 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3100 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3101 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3102 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3103 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3105 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3106 "sbb{b}\t{$src, %al|%al, $src}", []>;
3107 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3108 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3109 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3110 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3113 let isCodeGenOnly = 1 in {
3114 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3115 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3116 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3117 (ins GR16:$src1, GR16:$src2),
3118 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3119 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3120 (ins GR32:$src1, GR32:$src2),
3121 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3124 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3125 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3126 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3127 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3128 (ins GR16:$src1, i16mem:$src2),
3129 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3130 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3132 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3133 (ins GR32:$src1, i32mem:$src2),
3134 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3135 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3136 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3137 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3138 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3139 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3140 (ins GR16:$src1, i16imm:$src2),
3141 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3142 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3143 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3144 (ins GR16:$src1, i16i8imm:$src2),
3145 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3146 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3148 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3149 (ins GR32:$src1, i32imm:$src2),
3150 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3151 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3152 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3153 (ins GR32:$src1, i32i8imm:$src2),
3154 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3155 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3156 } // Uses = [EFLAGS]
3157 } // Defs = [EFLAGS]
3159 let Defs = [EFLAGS] in {
3160 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3161 // Register-Register Signed Integer Multiply
3162 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3163 "imul{w}\t{$src2, $dst|$dst, $src2}",
3164 [(set GR16:$dst, EFLAGS,
3165 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3166 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3167 "imul{l}\t{$src2, $dst|$dst, $src2}",
3168 [(set GR32:$dst, EFLAGS,
3169 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3172 // Register-Memory Signed Integer Multiply
3173 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3174 (ins GR16:$src1, i16mem:$src2),
3175 "imul{w}\t{$src2, $dst|$dst, $src2}",
3176 [(set GR16:$dst, EFLAGS,
3177 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3179 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3180 (ins GR32:$src1, i32mem:$src2),
3181 "imul{l}\t{$src2, $dst|$dst, $src2}",
3182 [(set GR32:$dst, EFLAGS,
3183 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3184 } // Defs = [EFLAGS]
3185 } // end Two Address instructions
3187 // Suprisingly enough, these are not two address instructions!
3188 let Defs = [EFLAGS] in {
3189 // Register-Integer Signed Integer Multiply
3190 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3191 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3192 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3193 [(set GR16:$dst, EFLAGS,
3194 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3195 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3196 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3197 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3198 [(set GR32:$dst, EFLAGS,
3199 (X86smul_flag GR32:$src1, imm:$src2))]>;
3200 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3201 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3202 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3203 [(set GR16:$dst, EFLAGS,
3204 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3206 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3207 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3208 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3209 [(set GR32:$dst, EFLAGS,
3210 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3212 // Memory-Integer Signed Integer Multiply
3213 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3214 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3215 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3216 [(set GR16:$dst, EFLAGS,
3217 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3219 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3220 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3221 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3222 [(set GR32:$dst, EFLAGS,
3223 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3224 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3225 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3226 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3227 [(set GR16:$dst, EFLAGS,
3228 (X86smul_flag (load addr:$src1),
3229 i16immSExt8:$src2))]>, OpSize;
3230 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3231 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3232 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3233 [(set GR32:$dst, EFLAGS,
3234 (X86smul_flag (load addr:$src1),
3235 i32immSExt8:$src2))]>;
3236 } // Defs = [EFLAGS]
3238 //===----------------------------------------------------------------------===//
3239 // Test instructions are just like AND, except they don't generate a result.
3241 let Defs = [EFLAGS] in {
3242 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3243 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3244 "test{b}\t{$src2, $src1|$src1, $src2}",
3245 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3246 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3247 "test{w}\t{$src2, $src1|$src1, $src2}",
3248 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3251 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3252 "test{l}\t{$src2, $src1|$src1, $src2}",
3253 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3257 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3258 "test{b}\t{$src, %al|%al, $src}", []>;
3259 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3260 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3261 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3262 "test{l}\t{$src, %eax|%eax, $src}", []>;
3264 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3265 "test{b}\t{$src2, $src1|$src1, $src2}",
3266 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3268 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3269 "test{w}\t{$src2, $src1|$src1, $src2}",
3270 [(set EFLAGS, (X86cmp (and GR16:$src1,
3271 (loadi16 addr:$src2)), 0))]>, OpSize;
3272 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3273 "test{l}\t{$src2, $src1|$src1, $src2}",
3274 [(set EFLAGS, (X86cmp (and GR32:$src1,
3275 (loadi32 addr:$src2)), 0))]>;
3277 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3278 (outs), (ins GR8:$src1, i8imm:$src2),
3279 "test{b}\t{$src2, $src1|$src1, $src2}",
3280 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3281 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3282 (outs), (ins GR16:$src1, i16imm:$src2),
3283 "test{w}\t{$src2, $src1|$src1, $src2}",
3284 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3286 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3287 (outs), (ins GR32:$src1, i32imm:$src2),
3288 "test{l}\t{$src2, $src1|$src1, $src2}",
3289 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3291 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3292 (outs), (ins i8mem:$src1, i8imm:$src2),
3293 "test{b}\t{$src2, $src1|$src1, $src2}",
3294 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3296 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3297 (outs), (ins i16mem:$src1, i16imm:$src2),
3298 "test{w}\t{$src2, $src1|$src1, $src2}",
3299 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3301 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3302 (outs), (ins i32mem:$src1, i32imm:$src2),
3303 "test{l}\t{$src2, $src1|$src1, $src2}",
3304 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3306 } // Defs = [EFLAGS]
3309 // Condition code ops, incl. set if equal/not equal/...
3310 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3311 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3312 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3313 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3315 let Uses = [EFLAGS] in {
3316 // Use sbb to materialize carry bit.
3317 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3318 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3319 // However, Pat<> can't replicate the destination reg into the inputs of the
3321 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3323 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3324 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3325 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3326 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3328 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3329 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3332 def SETEr : I<0x94, MRM0r,
3333 (outs GR8 :$dst), (ins),
3335 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3337 def SETEm : I<0x94, MRM0m,
3338 (outs), (ins i8mem:$dst),
3340 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3343 def SETNEr : I<0x95, MRM0r,
3344 (outs GR8 :$dst), (ins),
3346 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3348 def SETNEm : I<0x95, MRM0m,
3349 (outs), (ins i8mem:$dst),
3351 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3354 def SETLr : I<0x9C, MRM0r,
3355 (outs GR8 :$dst), (ins),
3357 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3358 TB; // GR8 = < signed
3359 def SETLm : I<0x9C, MRM0m,
3360 (outs), (ins i8mem:$dst),
3362 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3363 TB; // [mem8] = < signed
3365 def SETGEr : I<0x9D, MRM0r,
3366 (outs GR8 :$dst), (ins),
3368 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3369 TB; // GR8 = >= signed
3370 def SETGEm : I<0x9D, MRM0m,
3371 (outs), (ins i8mem:$dst),
3373 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3374 TB; // [mem8] = >= signed
3376 def SETLEr : I<0x9E, MRM0r,
3377 (outs GR8 :$dst), (ins),
3379 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3380 TB; // GR8 = <= signed
3381 def SETLEm : I<0x9E, MRM0m,
3382 (outs), (ins i8mem:$dst),
3384 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3385 TB; // [mem8] = <= signed
3387 def SETGr : I<0x9F, MRM0r,
3388 (outs GR8 :$dst), (ins),
3390 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3391 TB; // GR8 = > signed
3392 def SETGm : I<0x9F, MRM0m,
3393 (outs), (ins i8mem:$dst),
3395 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3396 TB; // [mem8] = > signed
3398 def SETBr : I<0x92, MRM0r,
3399 (outs GR8 :$dst), (ins),
3401 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3402 TB; // GR8 = < unsign
3403 def SETBm : I<0x92, MRM0m,
3404 (outs), (ins i8mem:$dst),
3406 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3407 TB; // [mem8] = < unsign
3409 def SETAEr : I<0x93, MRM0r,
3410 (outs GR8 :$dst), (ins),
3412 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3413 TB; // GR8 = >= unsign
3414 def SETAEm : I<0x93, MRM0m,
3415 (outs), (ins i8mem:$dst),
3417 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3418 TB; // [mem8] = >= unsign
3420 def SETBEr : I<0x96, MRM0r,
3421 (outs GR8 :$dst), (ins),
3423 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3424 TB; // GR8 = <= unsign
3425 def SETBEm : I<0x96, MRM0m,
3426 (outs), (ins i8mem:$dst),
3428 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3429 TB; // [mem8] = <= unsign
3431 def SETAr : I<0x97, MRM0r,
3432 (outs GR8 :$dst), (ins),
3434 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3435 TB; // GR8 = > signed
3436 def SETAm : I<0x97, MRM0m,
3437 (outs), (ins i8mem:$dst),
3439 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3440 TB; // [mem8] = > signed
3442 def SETSr : I<0x98, MRM0r,
3443 (outs GR8 :$dst), (ins),
3445 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3446 TB; // GR8 = <sign bit>
3447 def SETSm : I<0x98, MRM0m,
3448 (outs), (ins i8mem:$dst),
3450 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3451 TB; // [mem8] = <sign bit>
3452 def SETNSr : I<0x99, MRM0r,
3453 (outs GR8 :$dst), (ins),
3455 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3456 TB; // GR8 = !<sign bit>
3457 def SETNSm : I<0x99, MRM0m,
3458 (outs), (ins i8mem:$dst),
3460 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3461 TB; // [mem8] = !<sign bit>
3463 def SETPr : I<0x9A, MRM0r,
3464 (outs GR8 :$dst), (ins),
3466 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3468 def SETPm : I<0x9A, MRM0m,
3469 (outs), (ins i8mem:$dst),
3471 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3472 TB; // [mem8] = parity
3473 def SETNPr : I<0x9B, MRM0r,
3474 (outs GR8 :$dst), (ins),
3476 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3477 TB; // GR8 = not parity
3478 def SETNPm : I<0x9B, MRM0m,
3479 (outs), (ins i8mem:$dst),
3481 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3482 TB; // [mem8] = not parity
3484 def SETOr : I<0x90, MRM0r,
3485 (outs GR8 :$dst), (ins),
3487 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3488 TB; // GR8 = overflow
3489 def SETOm : I<0x90, MRM0m,
3490 (outs), (ins i8mem:$dst),
3492 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3493 TB; // [mem8] = overflow
3494 def SETNOr : I<0x91, MRM0r,
3495 (outs GR8 :$dst), (ins),
3497 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3498 TB; // GR8 = not overflow
3499 def SETNOm : I<0x91, MRM0m,
3500 (outs), (ins i8mem:$dst),
3502 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3503 TB; // [mem8] = not overflow
3504 } // Uses = [EFLAGS]
3507 // Integer comparisons
3508 let Defs = [EFLAGS] in {
3509 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3510 "cmp{b}\t{$src, %al|%al, $src}", []>;
3511 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3512 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3513 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3514 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3516 def CMP8rr : I<0x38, MRMDestReg,
3517 (outs), (ins GR8 :$src1, GR8 :$src2),
3518 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3519 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3520 def CMP16rr : I<0x39, MRMDestReg,
3521 (outs), (ins GR16:$src1, GR16:$src2),
3522 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3523 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3524 def CMP32rr : I<0x39, MRMDestReg,
3525 (outs), (ins GR32:$src1, GR32:$src2),
3526 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3527 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3528 def CMP8mr : I<0x38, MRMDestMem,
3529 (outs), (ins i8mem :$src1, GR8 :$src2),
3530 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3531 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3532 def CMP16mr : I<0x39, MRMDestMem,
3533 (outs), (ins i16mem:$src1, GR16:$src2),
3534 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3535 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3537 def CMP32mr : I<0x39, MRMDestMem,
3538 (outs), (ins i32mem:$src1, GR32:$src2),
3539 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3540 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3541 def CMP8rm : I<0x3A, MRMSrcMem,
3542 (outs), (ins GR8 :$src1, i8mem :$src2),
3543 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3544 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3545 def CMP16rm : I<0x3B, MRMSrcMem,
3546 (outs), (ins GR16:$src1, i16mem:$src2),
3547 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3548 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3550 def CMP32rm : I<0x3B, MRMSrcMem,
3551 (outs), (ins GR32:$src1, i32mem:$src2),
3552 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3553 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3555 // These are alternate spellings for use by the disassembler, we mark them as
3556 // code gen only to ensure they aren't matched by the assembler.
3557 let isCodeGenOnly = 1 in {
3558 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3559 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3560 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3561 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3562 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3563 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3566 def CMP8ri : Ii8<0x80, MRM7r,
3567 (outs), (ins GR8:$src1, i8imm:$src2),
3568 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3569 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3570 def CMP16ri : Ii16<0x81, MRM7r,
3571 (outs), (ins GR16:$src1, i16imm:$src2),
3572 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3573 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3574 def CMP32ri : Ii32<0x81, MRM7r,
3575 (outs), (ins GR32:$src1, i32imm:$src2),
3576 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3577 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3578 def CMP8mi : Ii8 <0x80, MRM7m,
3579 (outs), (ins i8mem :$src1, i8imm :$src2),
3580 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3581 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3582 def CMP16mi : Ii16<0x81, MRM7m,
3583 (outs), (ins i16mem:$src1, i16imm:$src2),
3584 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3585 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3587 def CMP32mi : Ii32<0x81, MRM7m,
3588 (outs), (ins i32mem:$src1, i32imm:$src2),
3589 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3590 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3591 def CMP16ri8 : Ii8<0x83, MRM7r,
3592 (outs), (ins GR16:$src1, i16i8imm:$src2),
3593 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3594 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3596 def CMP16mi8 : Ii8<0x83, MRM7m,
3597 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3598 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3599 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3600 i16immSExt8:$src2))]>, OpSize;
3601 def CMP32mi8 : Ii8<0x83, MRM7m,
3602 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3603 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3604 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3605 i32immSExt8:$src2))]>;
3606 def CMP32ri8 : Ii8<0x83, MRM7r,
3607 (outs), (ins GR32:$src1, i32i8imm:$src2),
3608 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3609 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3610 } // Defs = [EFLAGS]
3613 // TODO: BTC, BTR, and BTS
3614 let Defs = [EFLAGS] in {
3615 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3616 "bt{w}\t{$src2, $src1|$src1, $src2}",
3617 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3618 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3619 "bt{l}\t{$src2, $src1|$src1, $src2}",
3620 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3622 // Unlike with the register+register form, the memory+register form of the
3623 // bt instruction does not ignore the high bits of the index. From ISel's
3624 // perspective, this is pretty bizarre. Make these instructions disassembly
3627 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3628 "bt{w}\t{$src2, $src1|$src1, $src2}",
3629 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3630 // (implicit EFLAGS)]
3632 >, OpSize, TB, Requires<[FastBTMem]>;
3633 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3634 "bt{l}\t{$src2, $src1|$src1, $src2}",
3635 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3636 // (implicit EFLAGS)]
3638 >, TB, Requires<[FastBTMem]>;
3640 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3641 "bt{w}\t{$src2, $src1|$src1, $src2}",
3642 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3644 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3645 "bt{l}\t{$src2, $src1|$src1, $src2}",
3646 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3647 // Note that these instructions don't need FastBTMem because that
3648 // only applies when the other operand is in a register. When it's
3649 // an immediate, bt is still fast.
3650 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3651 "bt{w}\t{$src2, $src1|$src1, $src2}",
3652 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3654 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3655 "bt{l}\t{$src2, $src1|$src1, $src2}",
3656 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3659 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3660 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3661 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3662 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3663 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3664 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3665 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3666 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3667 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3668 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3669 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3670 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3671 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3672 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3673 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3674 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3676 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3677 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3678 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3679 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3680 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3681 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3682 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3683 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3684 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3685 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3686 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3687 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3688 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3689 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3690 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3691 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3693 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3694 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3695 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3696 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3697 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3698 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3699 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3700 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3701 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3702 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3703 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3704 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3705 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3706 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3707 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3708 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3709 } // Defs = [EFLAGS]
3711 // Sign/Zero extenders
3712 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3713 // of the register here. This has a smaller encoding and avoids a
3714 // partial-register update. Actual movsbw included for the disassembler.
3715 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3716 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3717 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3718 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3719 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3720 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3721 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3722 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3723 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3724 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3725 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3726 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3727 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3728 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3729 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3730 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3731 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3732 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3733 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3734 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3736 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3737 // of the register here. This has a smaller encoding and avoids a
3738 // partial-register update. Actual movzbw included for the disassembler.
3739 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3740 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3741 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3742 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3743 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3744 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3745 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3746 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3747 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3748 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3749 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3750 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3751 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3752 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3753 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3754 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3755 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3756 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3757 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3758 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3760 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3761 // except that they use GR32_NOREX for the output operand register class
3762 // instead of GR32. This allows them to operate on h registers on x86-64.
3763 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3764 (outs GR32_NOREX:$dst), (ins GR8:$src),
3765 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3768 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3769 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3770 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3773 let neverHasSideEffects = 1 in {
3774 let Defs = [AX], Uses = [AL] in
3775 def CBW : I<0x98, RawFrm, (outs), (ins),
3776 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3777 let Defs = [EAX], Uses = [AX] in
3778 def CWDE : I<0x98, RawFrm, (outs), (ins),
3779 "{cwtl|cwde}", []>; // EAX = signext(AX)
3781 let Defs = [AX,DX], Uses = [AX] in
3782 def CWD : I<0x99, RawFrm, (outs), (ins),
3783 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3784 let Defs = [EAX,EDX], Uses = [EAX] in
3785 def CDQ : I<0x99, RawFrm, (outs), (ins),
3786 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3789 //===----------------------------------------------------------------------===//
3790 // Alias Instructions
3791 //===----------------------------------------------------------------------===//
3793 // Alias instructions that map movr0 to xor.
3794 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3795 // FIXME: Set encoding to pseudo.
3796 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3797 isCodeGenOnly = 1 in {
3798 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3799 [(set GR8:$dst, 0)]>;
3801 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3802 // encoding and avoids a partial-register update sometimes, but doing so
3803 // at isel time interferes with rematerialization in the current register
3804 // allocator. For now, this is rewritten when the instruction is lowered
3806 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3808 [(set GR16:$dst, 0)]>, OpSize;
3810 // FIXME: Set encoding to pseudo.
3811 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3812 [(set GR32:$dst, 0)]>;
3815 //===----------------------------------------------------------------------===//
3816 // Thread Local Storage Instructions
3819 // All calls clobber the non-callee saved registers. ESP is marked as
3820 // a use to prevent stack-pointer assignments that appear immediately
3821 // before calls from potentially appearing dead.
3822 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3823 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3824 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3825 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3827 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3828 "leal\t$sym, %eax; "
3829 "call\t___tls_get_addr@PLT",
3830 [(X86tlsaddr tls32addr:$sym)]>,
3831 Requires<[In32BitMode]>;
3833 // FIXME: Not true for darwin
3834 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3835 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3836 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3837 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3839 usesCustomInserter = 1 in
3840 def TLSCall_32 : I<0, Pseudo, (outs), (ins GR32:$sym),
3841 "# Fixme into a call",
3842 [(X86TLSCall GR32:$sym)]>,
3843 Requires<[In32BitMode]>;
3845 let AddedComplexity = 5, isCodeGenOnly = 1 in
3846 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3847 "movl\t%gs:$src, $dst",
3848 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3850 let AddedComplexity = 5, isCodeGenOnly = 1 in
3851 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3852 "movl\t%fs:$src, $dst",
3853 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3855 //===----------------------------------------------------------------------===//
3856 // EH Pseudo Instructions
3858 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3859 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3860 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3861 "ret\t#eh_return, addr: $addr",
3862 [(X86ehret GR32:$addr)]>;
3866 //===----------------------------------------------------------------------===//
3870 // Atomic swap. These are just normal xchg instructions. But since a memory
3871 // operand is referenced, the atomicity is ensured.
3872 let Constraints = "$val = $dst" in {
3873 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3874 (ins GR32:$val, i32mem:$ptr),
3875 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3876 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3877 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3878 (ins GR16:$val, i16mem:$ptr),
3879 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3880 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3882 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3883 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3884 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3886 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3887 "xchg{l}\t{$val, $src|$src, $val}", []>;
3888 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3889 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3890 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3891 "xchg{b}\t{$val, $src|$src, $val}", []>;
3894 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3895 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3896 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3897 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3899 // Atomic compare and swap.
3900 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3901 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3903 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3904 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3906 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3907 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3910 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3913 let Defs = [AX, EFLAGS], Uses = [AX] in {
3914 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3916 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3917 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3919 let Defs = [AL, EFLAGS], Uses = [AL] in {
3920 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3922 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3923 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3926 // Atomic exchange and add
3927 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3928 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3930 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3931 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3933 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3935 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3936 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3938 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3940 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3941 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3945 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3946 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3947 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3948 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3949 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3950 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3952 let mayLoad = 1, mayStore = 1 in {
3953 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3954 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3955 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3956 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3957 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3958 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3961 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3962 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3963 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3964 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3965 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3966 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3968 let mayLoad = 1, mayStore = 1 in {
3969 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3970 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3971 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3972 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3973 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3974 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3977 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3978 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3979 "cmpxchg8b\t$dst", []>, TB;
3981 // Optimized codegen when the non-memory output is not used.
3982 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3983 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
3984 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3986 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3987 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3989 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3990 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3992 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3993 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3995 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3996 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3998 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3999 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
4001 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4002 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4004 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4005 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4007 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4009 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
4011 "inc{b}\t$dst", []>, LOCK;
4012 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
4014 "inc{w}\t$dst", []>, OpSize, LOCK;
4015 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
4017 "inc{l}\t$dst", []>, LOCK;
4019 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
4021 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4022 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4024 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4025 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4027 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4028 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
4030 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4031 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
4033 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4034 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
4036 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4037 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4039 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4040 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4042 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4044 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
4046 "dec{b}\t$dst", []>, LOCK;
4047 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
4049 "dec{w}\t$dst", []>, OpSize, LOCK;
4050 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
4052 "dec{l}\t$dst", []>, LOCK;
4055 // Atomic exchange, and, or, xor
4056 let Constraints = "$val = $dst", Defs = [EFLAGS],
4057 usesCustomInserter = 1 in {
4058 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4059 "#ATOMAND32 PSEUDO!",
4060 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4061 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4062 "#ATOMOR32 PSEUDO!",
4063 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4064 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4065 "#ATOMXOR32 PSEUDO!",
4066 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4067 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4068 "#ATOMNAND32 PSEUDO!",
4069 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4070 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4071 "#ATOMMIN32 PSEUDO!",
4072 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4073 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4074 "#ATOMMAX32 PSEUDO!",
4075 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4076 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4077 "#ATOMUMIN32 PSEUDO!",
4078 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4079 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4080 "#ATOMUMAX32 PSEUDO!",
4081 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4083 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4084 "#ATOMAND16 PSEUDO!",
4085 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4086 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4087 "#ATOMOR16 PSEUDO!",
4088 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4089 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4090 "#ATOMXOR16 PSEUDO!",
4091 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4092 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4093 "#ATOMNAND16 PSEUDO!",
4094 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4095 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4096 "#ATOMMIN16 PSEUDO!",
4097 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4098 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4099 "#ATOMMAX16 PSEUDO!",
4100 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4101 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4102 "#ATOMUMIN16 PSEUDO!",
4103 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4104 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4105 "#ATOMUMAX16 PSEUDO!",
4106 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4108 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4109 "#ATOMAND8 PSEUDO!",
4110 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4111 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4113 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4114 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4115 "#ATOMXOR8 PSEUDO!",
4116 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4117 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4118 "#ATOMNAND8 PSEUDO!",
4119 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4122 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4123 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4124 Uses = [EAX, EBX, ECX, EDX],
4125 mayLoad = 1, mayStore = 1,
4126 usesCustomInserter = 1 in {
4127 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4128 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4129 "#ATOMAND6432 PSEUDO!", []>;
4130 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4131 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4132 "#ATOMOR6432 PSEUDO!", []>;
4133 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4134 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4135 "#ATOMXOR6432 PSEUDO!", []>;
4136 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4137 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4138 "#ATOMNAND6432 PSEUDO!", []>;
4139 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4140 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4141 "#ATOMADD6432 PSEUDO!", []>;
4142 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4143 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4144 "#ATOMSUB6432 PSEUDO!", []>;
4145 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4146 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4147 "#ATOMSWAP6432 PSEUDO!", []>;
4150 // Segmentation support instructions.
4152 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4153 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4154 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4155 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4157 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4158 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4159 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4160 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4161 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4163 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4164 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4165 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4166 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4167 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4168 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4169 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4170 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4172 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4174 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4175 "str{w}\t{$dst}", []>, TB;
4176 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4177 "str{w}\t{$dst}", []>, TB;
4178 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4179 "ltr{w}\t{$src}", []>, TB;
4180 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4181 "ltr{w}\t{$src}", []>, TB;
4183 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4184 "push{w}\t%fs", []>, OpSize, TB;
4185 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4186 "push{l}\t%fs", []>, TB;
4187 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4188 "push{w}\t%gs", []>, OpSize, TB;
4189 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4190 "push{l}\t%gs", []>, TB;
4192 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4193 "pop{w}\t%fs", []>, OpSize, TB;
4194 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4195 "pop{l}\t%fs", []>, TB;
4196 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4197 "pop{w}\t%gs", []>, OpSize, TB;
4198 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4199 "pop{l}\t%gs", []>, TB;
4201 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4202 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4203 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4204 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4205 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4206 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4207 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4208 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4209 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4210 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4211 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4212 "les{l}\t{$src, $dst|$dst, $src}", []>;
4213 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4214 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4215 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4216 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4217 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4218 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4219 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4220 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4222 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4223 "verr\t$seg", []>, TB;
4224 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4225 "verr\t$seg", []>, TB;
4226 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4227 "verw\t$seg", []>, TB;
4228 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4229 "verw\t$seg", []>, TB;
4231 // Descriptor-table support instructions
4233 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4234 "sgdt\t$dst", []>, TB;
4235 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4236 "sidt\t$dst", []>, TB;
4237 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4238 "sldt{w}\t$dst", []>, TB;
4239 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4240 "sldt{w}\t$dst", []>, TB;
4241 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4242 "lgdt\t$src", []>, TB;
4243 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4244 "lidt\t$src", []>, TB;
4245 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4246 "lldt{w}\t$src", []>, TB;
4247 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4248 "lldt{w}\t$src", []>, TB;
4250 // Lock instruction prefix
4251 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4253 // Repeat string operation instruction prefixes
4254 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4255 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4256 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4257 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4258 // Repeat while not equal (used with CMPS and SCAS)
4259 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4262 // Segment override instruction prefixes
4263 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4264 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4265 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4266 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4267 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4268 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4270 // String manipulation instructions
4272 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4273 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4274 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4276 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4277 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4278 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4280 // CPU flow control instructions
4282 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4283 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4285 // FPU control instructions
4287 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4289 // Flag instructions
4291 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4292 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4293 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4294 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4295 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4296 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4297 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4299 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4301 // Table lookup instructions
4303 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4305 // Specialized register support
4307 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4308 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4309 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4311 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4312 "smsw{w}\t$dst", []>, OpSize, TB;
4313 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4314 "smsw{l}\t$dst", []>, TB;
4315 // For memory operands, there is only a 16-bit form
4316 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4317 "smsw{w}\t$dst", []>, TB;
4319 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4320 "lmsw{w}\t$src", []>, TB;
4321 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4322 "lmsw{w}\t$src", []>, TB;
4324 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4326 // Cache instructions
4328 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4329 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4334 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4336 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4338 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4339 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4340 "vmclear\t$vmcs", []>, OpSize, TB;
4342 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4344 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4345 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4346 "vmptrld\t$vmcs", []>, TB;
4347 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4348 "vmptrst\t$vmcs", []>, TB;
4349 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4350 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4351 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4352 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4353 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4354 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4355 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4356 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4357 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4358 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4359 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4360 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4361 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4362 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4363 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4364 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4366 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4367 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4368 "vmxon\t{$vmxon}", []>, XS;
4370 //===----------------------------------------------------------------------===//
4371 // Non-Instruction Patterns
4372 //===----------------------------------------------------------------------===//
4374 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4375 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4376 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4377 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4378 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4379 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4380 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4382 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4383 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4384 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4385 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4386 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4387 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4388 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4389 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4390 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4391 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4393 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4394 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4395 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4396 (MOV32mi addr:$dst, texternalsym:$src)>;
4397 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4398 (MOV32mi addr:$dst, tblockaddress:$src)>;
4402 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4403 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4404 Requires<[In32BitMode]>;
4406 // FIXME: This is disabled for 32-bit PIC mode because the global base
4407 // register which is part of the address mode may be assigned a
4408 // callee-saved register.
4409 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4410 (TCRETURNmi addr:$dst, imm:$off)>,
4411 Requires<[In32BitMode, IsNotPIC]>;
4413 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4414 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4415 Requires<[In32BitMode]>;
4417 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4418 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4419 Requires<[In32BitMode]>;
4421 // Normal calls, with various flavors of addresses.
4422 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4423 (CALLpcrel32 tglobaladdr:$dst)>;
4424 def : Pat<(X86call (i32 texternalsym:$dst)),
4425 (CALLpcrel32 texternalsym:$dst)>;
4426 def : Pat<(X86call (i32 imm:$dst)),
4427 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4429 // X86 specific add which produces a flag.
4430 def : Pat<(addc GR32:$src1, GR32:$src2),
4431 (ADD32rr GR32:$src1, GR32:$src2)>;
4432 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4433 (ADD32rm GR32:$src1, addr:$src2)>;
4434 def : Pat<(addc GR32:$src1, imm:$src2),
4435 (ADD32ri GR32:$src1, imm:$src2)>;
4436 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4437 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4439 def : Pat<(subc GR32:$src1, GR32:$src2),
4440 (SUB32rr GR32:$src1, GR32:$src2)>;
4441 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4442 (SUB32rm GR32:$src1, addr:$src2)>;
4443 def : Pat<(subc GR32:$src1, imm:$src2),
4444 (SUB32ri GR32:$src1, imm:$src2)>;
4445 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4446 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4450 // TEST R,R is smaller than CMP R,0
4451 def : Pat<(X86cmp GR8:$src1, 0),
4452 (TEST8rr GR8:$src1, GR8:$src1)>;
4453 def : Pat<(X86cmp GR16:$src1, 0),
4454 (TEST16rr GR16:$src1, GR16:$src1)>;
4455 def : Pat<(X86cmp GR32:$src1, 0),
4456 (TEST32rr GR32:$src1, GR32:$src1)>;
4458 // Conditional moves with folded loads with operands swapped and conditions
4460 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4461 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4462 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4463 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4464 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4465 (CMOVB16rm GR16:$src2, addr:$src1)>;
4466 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4467 (CMOVB32rm GR32:$src2, addr:$src1)>;
4468 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4469 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4470 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4471 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4472 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4473 (CMOVE16rm GR16:$src2, addr:$src1)>;
4474 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4475 (CMOVE32rm GR32:$src2, addr:$src1)>;
4476 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4477 (CMOVA16rm GR16:$src2, addr:$src1)>;
4478 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4479 (CMOVA32rm GR32:$src2, addr:$src1)>;
4480 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4481 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4482 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4483 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4484 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4485 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4486 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4487 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4488 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4489 (CMOVL16rm GR16:$src2, addr:$src1)>;
4490 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4491 (CMOVL32rm GR32:$src2, addr:$src1)>;
4492 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4493 (CMOVG16rm GR16:$src2, addr:$src1)>;
4494 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4495 (CMOVG32rm GR32:$src2, addr:$src1)>;
4496 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4497 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4498 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4499 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4500 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4501 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4502 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4503 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4504 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4505 (CMOVP16rm GR16:$src2, addr:$src1)>;
4506 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4507 (CMOVP32rm GR32:$src2, addr:$src1)>;
4508 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4509 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4510 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4511 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4512 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4513 (CMOVS16rm GR16:$src2, addr:$src1)>;
4514 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4515 (CMOVS32rm GR32:$src2, addr:$src1)>;
4516 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4517 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4518 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4519 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4520 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4521 (CMOVO16rm GR16:$src2, addr:$src1)>;
4522 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4523 (CMOVO32rm GR32:$src2, addr:$src1)>;
4525 // zextload bool -> zextload byte
4526 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4527 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4528 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4530 // extload bool -> extload byte
4531 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4532 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4533 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4534 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4535 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4536 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4538 // anyext. Define these to do an explicit zero-extend to
4539 // avoid partial-register updates.
4540 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4541 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4543 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4544 def : Pat<(i32 (anyext GR16:$src)),
4545 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, sub_16bit)>;
4548 //===----------------------------------------------------------------------===//
4550 //===----------------------------------------------------------------------===//
4552 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4553 // +128 doesn't, so in this special case use a sub instead of an add.
4554 def : Pat<(add GR16:$src1, 128),
4555 (SUB16ri8 GR16:$src1, -128)>;
4556 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4557 (SUB16mi8 addr:$dst, -128)>;
4558 def : Pat<(add GR32:$src1, 128),
4559 (SUB32ri8 GR32:$src1, -128)>;
4560 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4561 (SUB32mi8 addr:$dst, -128)>;
4563 // r & (2^16-1) ==> movz
4564 def : Pat<(and GR32:$src1, 0xffff),
4565 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, sub_16bit))>;
4566 // r & (2^8-1) ==> movz
4567 def : Pat<(and GR32:$src1, 0xff),
4568 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4571 Requires<[In32BitMode]>;
4572 // r & (2^8-1) ==> movz
4573 def : Pat<(and GR16:$src1, 0xff),
4574 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4577 Requires<[In32BitMode]>;
4579 // sext_inreg patterns
4580 def : Pat<(sext_inreg GR32:$src, i16),
4581 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, sub_16bit))>;
4582 def : Pat<(sext_inreg GR32:$src, i8),
4583 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4586 Requires<[In32BitMode]>;
4587 def : Pat<(sext_inreg GR16:$src, i8),
4588 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4591 Requires<[In32BitMode]>;
4594 def : Pat<(i16 (trunc GR32:$src)),
4595 (EXTRACT_SUBREG GR32:$src, sub_16bit)>;
4596 def : Pat<(i8 (trunc GR32:$src)),
4597 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4599 Requires<[In32BitMode]>;
4600 def : Pat<(i8 (trunc GR16:$src)),
4601 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4603 Requires<[In32BitMode]>;
4605 // h-register tricks
4606 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4607 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4609 Requires<[In32BitMode]>;
4610 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4611 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4613 Requires<[In32BitMode]>;
4614 def : Pat<(srl GR16:$src, (i8 8)),
4617 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4620 Requires<[In32BitMode]>;
4621 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4622 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4625 Requires<[In32BitMode]>;
4626 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4627 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4630 Requires<[In32BitMode]>;
4631 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4632 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4635 Requires<[In32BitMode]>;
4636 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4637 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4640 Requires<[In32BitMode]>;
4642 // (shl x, 1) ==> (add x, x)
4643 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4644 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4645 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4647 // (shl x (and y, 31)) ==> (shl x, y)
4648 def : Pat<(shl GR8:$src1, (and CL, 31)),
4649 (SHL8rCL GR8:$src1)>;
4650 def : Pat<(shl GR16:$src1, (and CL, 31)),
4651 (SHL16rCL GR16:$src1)>;
4652 def : Pat<(shl GR32:$src1, (and CL, 31)),
4653 (SHL32rCL GR32:$src1)>;
4654 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4655 (SHL8mCL addr:$dst)>;
4656 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4657 (SHL16mCL addr:$dst)>;
4658 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4659 (SHL32mCL addr:$dst)>;
4661 def : Pat<(srl GR8:$src1, (and CL, 31)),
4662 (SHR8rCL GR8:$src1)>;
4663 def : Pat<(srl GR16:$src1, (and CL, 31)),
4664 (SHR16rCL GR16:$src1)>;
4665 def : Pat<(srl GR32:$src1, (and CL, 31)),
4666 (SHR32rCL GR32:$src1)>;
4667 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4668 (SHR8mCL addr:$dst)>;
4669 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4670 (SHR16mCL addr:$dst)>;
4671 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4672 (SHR32mCL addr:$dst)>;
4674 def : Pat<(sra GR8:$src1, (and CL, 31)),
4675 (SAR8rCL GR8:$src1)>;
4676 def : Pat<(sra GR16:$src1, (and CL, 31)),
4677 (SAR16rCL GR16:$src1)>;
4678 def : Pat<(sra GR32:$src1, (and CL, 31)),
4679 (SAR32rCL GR32:$src1)>;
4680 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4681 (SAR8mCL addr:$dst)>;
4682 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4683 (SAR16mCL addr:$dst)>;
4684 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4685 (SAR32mCL addr:$dst)>;
4687 // (anyext (setcc_carry)) -> (setcc_carry)
4688 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4690 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4692 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4695 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4696 let AddedComplexity = 5 in { // Try this before the selecting to OR
4697 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4698 (ADD16ri GR16:$src1, imm:$src2)>;
4699 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4700 (ADD32ri GR32:$src1, imm:$src2)>;
4701 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4702 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4703 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4704 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4705 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4706 (ADD16rr GR16:$src1, GR16:$src2)>;
4707 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4708 (ADD32rr GR32:$src1, GR32:$src2)>;
4709 } // AddedComplexity
4711 //===----------------------------------------------------------------------===//
4712 // EFLAGS-defining Patterns
4713 //===----------------------------------------------------------------------===//
4716 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4717 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4718 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4721 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4722 (ADD8rm GR8:$src1, addr:$src2)>;
4723 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4724 (ADD16rm GR16:$src1, addr:$src2)>;
4725 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4726 (ADD32rm GR32:$src1, addr:$src2)>;
4729 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4730 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4731 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4732 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4733 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4734 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4735 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4738 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4739 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4740 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4743 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4744 (SUB8rm GR8:$src1, addr:$src2)>;
4745 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4746 (SUB16rm GR16:$src1, addr:$src2)>;
4747 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4748 (SUB32rm GR32:$src1, addr:$src2)>;
4751 def : Pat<(sub GR8:$src1, imm:$src2),
4752 (SUB8ri GR8:$src1, imm:$src2)>;
4753 def : Pat<(sub GR16:$src1, imm:$src2),
4754 (SUB16ri GR16:$src1, imm:$src2)>;
4755 def : Pat<(sub GR32:$src1, imm:$src2),
4756 (SUB32ri GR32:$src1, imm:$src2)>;
4757 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4758 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4759 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4760 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4763 def : Pat<(mul GR16:$src1, GR16:$src2),
4764 (IMUL16rr GR16:$src1, GR16:$src2)>;
4765 def : Pat<(mul GR32:$src1, GR32:$src2),
4766 (IMUL32rr GR32:$src1, GR32:$src2)>;
4769 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4770 (IMUL16rm GR16:$src1, addr:$src2)>;
4771 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4772 (IMUL32rm GR32:$src1, addr:$src2)>;
4775 def : Pat<(mul GR16:$src1, imm:$src2),
4776 (IMUL16rri GR16:$src1, imm:$src2)>;
4777 def : Pat<(mul GR32:$src1, imm:$src2),
4778 (IMUL32rri GR32:$src1, imm:$src2)>;
4779 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4780 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4781 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4782 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4784 // reg = mul mem, imm
4785 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4786 (IMUL16rmi addr:$src1, imm:$src2)>;
4787 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4788 (IMUL32rmi addr:$src1, imm:$src2)>;
4789 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4790 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4791 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4792 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4794 // Optimize multiply by 2 with EFLAGS result.
4795 let AddedComplexity = 2 in {
4796 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4797 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4800 // Patterns for nodes that do not produce flags, for instructions that do.
4803 def : Pat<(add GR8:$src , 1), (INC8r GR8:$src)>;
4804 def : Pat<(add GR16:$src, 1), (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4805 def : Pat<(add GR32:$src, 1), (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4808 def : Pat<(add GR8:$src , -1), (DEC8r GR8:$src)>;
4809 def : Pat<(add GR16:$src, -1), (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4810 def : Pat<(add GR32:$src, -1), (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4813 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4814 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4815 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4818 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4819 (OR8rm GR8:$src1, addr:$src2)>;
4820 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4821 (OR16rm GR16:$src1, addr:$src2)>;
4822 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4823 (OR32rm GR32:$src1, addr:$src2)>;
4826 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4827 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4828 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4829 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4830 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4831 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4832 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4835 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4836 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4837 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4840 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4841 (XOR8rm GR8:$src1, addr:$src2)>;
4842 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4843 (XOR16rm GR16:$src1, addr:$src2)>;
4844 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4845 (XOR32rm GR32:$src1, addr:$src2)>;
4848 def : Pat<(xor GR8:$src1, imm:$src2),
4849 (XOR8ri GR8:$src1, imm:$src2)>;
4850 def : Pat<(xor GR16:$src1, imm:$src2),
4851 (XOR16ri GR16:$src1, imm:$src2)>;
4852 def : Pat<(xor GR32:$src1, imm:$src2),
4853 (XOR32ri GR32:$src1, imm:$src2)>;
4854 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4855 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4856 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4857 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4860 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4861 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4862 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4865 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4866 (AND8rm GR8:$src1, addr:$src2)>;
4867 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4868 (AND16rm GR16:$src1, addr:$src2)>;
4869 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4870 (AND32rm GR32:$src1, addr:$src2)>;
4873 def : Pat<(and GR8:$src1, imm:$src2),
4874 (AND8ri GR8:$src1, imm:$src2)>;
4875 def : Pat<(and GR16:$src1, imm:$src2),
4876 (AND16ri GR16:$src1, imm:$src2)>;
4877 def : Pat<(and GR32:$src1, imm:$src2),
4878 (AND32ri GR32:$src1, imm:$src2)>;
4879 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4880 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4881 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4882 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4884 //===----------------------------------------------------------------------===//
4885 // Floating Point Stack Support
4886 //===----------------------------------------------------------------------===//
4888 include "X86InstrFPStack.td"
4890 //===----------------------------------------------------------------------===//
4892 //===----------------------------------------------------------------------===//
4894 include "X86Instr64bit.td"
4896 //===----------------------------------------------------------------------===//
4897 // SIMD support (SSE, MMX and AVX)
4898 //===----------------------------------------------------------------------===//
4900 include "X86InstrFragmentsSIMD.td"
4902 //===----------------------------------------------------------------------===//
4903 // XMM Floating point support (requires SSE / SSE2)
4904 //===----------------------------------------------------------------------===//
4906 include "X86InstrSSE.td"
4908 //===----------------------------------------------------------------------===//
4909 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4910 //===----------------------------------------------------------------------===//
4912 include "X86InstrMMX.td"