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 SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
84 def SDT_X86MEMBARRIERNoSSE : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
86 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
88 def X86MemBarrierNoSSE : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIERNoSSE,
90 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
92 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
94 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
98 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
99 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
100 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
101 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
103 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
104 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
106 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
107 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
109 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
110 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
112 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
113 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
115 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
116 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
118 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
119 [SDNPHasChain, SDNPMayStore,
120 SDNPMayLoad, SDNPMemOperand]>;
121 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
122 [SDNPHasChain, SDNPMayStore,
123 SDNPMayLoad, SDNPMemOperand]>;
124 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
125 [SDNPHasChain, SDNPMayStore,
126 SDNPMayLoad, SDNPMemOperand]>;
127 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
128 [SDNPHasChain, SDNPMayStore,
129 SDNPMayLoad, SDNPMemOperand]>;
130 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
131 [SDNPHasChain, SDNPMayStore,
132 SDNPMayLoad, SDNPMemOperand]>;
133 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
134 [SDNPHasChain, SDNPMayStore,
135 SDNPMayLoad, SDNPMemOperand]>;
136 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
137 [SDNPHasChain, SDNPMayStore,
138 SDNPMayLoad, SDNPMemOperand]>;
139 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
140 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
142 def X86vastart_save_xmm_regs :
143 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
144 SDT_X86VASTART_SAVE_XMM_REGS,
145 [SDNPHasChain, SDNPVariadic]>;
147 def X86callseq_start :
148 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
149 [SDNPHasChain, SDNPOutFlag]>;
151 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
152 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
154 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
155 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
158 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
159 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
160 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
161 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
164 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
165 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
167 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
168 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
170 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
171 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
172 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
173 SDT_X86SegmentBaseAddress, []>;
175 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
178 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
179 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
181 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
183 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
184 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
186 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
189 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
190 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
191 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
193 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
195 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
198 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
200 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
201 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
203 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
206 //===----------------------------------------------------------------------===//
207 // X86 Operand Definitions.
210 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
211 // the index operand of an address, to conform to x86 encoding restrictions.
212 def ptr_rc_nosp : PointerLikeRegClass<1>;
214 // *mem - Operand definitions for the funky X86 addressing mode operands.
216 def X86MemAsmOperand : AsmOperandClass {
218 let SuperClasses = [];
220 def X86AbsMemAsmOperand : AsmOperandClass {
222 let SuperClasses = [X86MemAsmOperand];
224 class X86MemOperand<string printMethod> : Operand<iPTR> {
225 let PrintMethod = printMethod;
226 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
227 let ParserMatchClass = X86MemAsmOperand;
230 def opaque32mem : X86MemOperand<"printopaquemem">;
231 def opaque48mem : X86MemOperand<"printopaquemem">;
232 def opaque80mem : X86MemOperand<"printopaquemem">;
233 def opaque512mem : X86MemOperand<"printopaquemem">;
235 def i8mem : X86MemOperand<"printi8mem">;
236 def i16mem : X86MemOperand<"printi16mem">;
237 def i32mem : X86MemOperand<"printi32mem">;
238 def i64mem : X86MemOperand<"printi64mem">;
239 def i128mem : X86MemOperand<"printi128mem">;
240 def i256mem : X86MemOperand<"printi256mem">;
241 def f32mem : X86MemOperand<"printf32mem">;
242 def f64mem : X86MemOperand<"printf64mem">;
243 def f80mem : X86MemOperand<"printf80mem">;
244 def f128mem : X86MemOperand<"printf128mem">;
245 def f256mem : X86MemOperand<"printf256mem">;
247 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
248 // plain GR64, so that it doesn't potentially require a REX prefix.
249 def i8mem_NOREX : Operand<i64> {
250 let PrintMethod = "printi8mem";
251 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
252 let ParserMatchClass = X86MemAsmOperand;
255 // Special i32mem for addresses of load folding tail calls. These are not
256 // allowed to use callee-saved registers since they must be scheduled
257 // after callee-saved register are popped.
258 def i32mem_TC : Operand<i32> {
259 let PrintMethod = "printi32mem";
260 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
261 let ParserMatchClass = X86MemAsmOperand;
265 let ParserMatchClass = X86AbsMemAsmOperand,
266 PrintMethod = "print_pcrel_imm" in {
267 def i32imm_pcrel : Operand<i32>;
268 def i16imm_pcrel : Operand<i16>;
270 def offset8 : Operand<i64>;
271 def offset16 : Operand<i64>;
272 def offset32 : Operand<i64>;
273 def offset64 : Operand<i64>;
275 // Branch targets have OtherVT type and print as pc-relative values.
276 def brtarget : Operand<OtherVT>;
277 def brtarget8 : Operand<OtherVT>;
281 def SSECC : Operand<i8> {
282 let PrintMethod = "printSSECC";
285 class ImmSExtAsmOperandClass : AsmOperandClass {
286 let SuperClasses = [ImmAsmOperand];
287 let RenderMethod = "addImmOperands";
290 // Sign-extended immediate classes. We don't need to define the full lattice
291 // here because there is no instruction with an ambiguity between ImmSExti64i32
294 // The strange ranges come from the fact that the assembler always works with
295 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
296 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
299 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
300 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
301 let Name = "ImmSExti64i32";
304 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
305 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
306 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
307 let Name = "ImmSExti16i8";
308 let SuperClasses = [ImmSExti64i32AsmOperand];
311 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
312 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
313 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
314 let Name = "ImmSExti32i8";
318 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
319 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
320 let Name = "ImmSExti64i8";
321 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
322 ImmSExti64i32AsmOperand];
325 // A couple of more descriptive operand definitions.
326 // 16-bits but only 8 bits are significant.
327 def i16i8imm : Operand<i16> {
328 let ParserMatchClass = ImmSExti16i8AsmOperand;
330 // 32-bits but only 8 bits are significant.
331 def i32i8imm : Operand<i32> {
332 let ParserMatchClass = ImmSExti32i8AsmOperand;
335 //===----------------------------------------------------------------------===//
336 // X86 Complex Pattern Definitions.
339 // Define X86 specific addressing mode.
340 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
341 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
342 [add, sub, mul, X86mul_imm, shl, or, frameindex],
344 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
345 [tglobaltlsaddr], []>;
347 //===----------------------------------------------------------------------===//
348 // X86 Instruction Predicate Definitions.
349 def HasCMov : Predicate<"Subtarget->hasCMov()">;
350 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
351 def HasMMX : Predicate<"Subtarget->hasMMX()">;
352 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
353 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
354 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
355 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
356 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
357 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
358 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
359 def HasAVX : Predicate<"Subtarget->hasAVX()">;
360 def HasCLMUL : Predicate<"Subtarget->hasCLMUL()">;
361 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
362 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
363 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
364 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
365 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
366 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
367 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
368 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
369 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
370 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
371 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
372 "TM.getCodeModel() != CodeModel::Kernel">;
373 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
374 "TM.getCodeModel() == CodeModel::Kernel">;
375 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
376 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
377 def OptForSize : Predicate<"OptForSize">;
378 def OptForSpeed : Predicate<"!OptForSize">;
379 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
380 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
381 def HasAES : Predicate<"Subtarget->hasAES()">;
383 //===----------------------------------------------------------------------===//
384 // X86 Instruction Format Definitions.
387 include "X86InstrFormats.td"
389 //===----------------------------------------------------------------------===//
390 // Pattern fragments...
393 // X86 specific condition code. These correspond to CondCode in
394 // X86InstrInfo.h. They must be kept in synch.
395 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
396 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
397 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
398 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
399 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
400 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
401 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
402 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
403 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
404 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
405 def X86_COND_NO : PatLeaf<(i8 10)>;
406 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
407 def X86_COND_NS : PatLeaf<(i8 12)>;
408 def X86_COND_O : PatLeaf<(i8 13)>;
409 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
410 def X86_COND_S : PatLeaf<(i8 15)>;
412 def immSext8 : PatLeaf<(imm), [{
413 return N->getSExtValue() == (int8_t)N->getSExtValue();
416 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
417 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
419 /// Load patterns: these constraint the match to the right address space.
420 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
421 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
422 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
423 if (PT->getAddressSpace() > 255)
428 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
429 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
430 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
431 return PT->getAddressSpace() == 256;
435 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
436 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
437 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
438 return PT->getAddressSpace() == 257;
443 // Helper fragments for loads.
444 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
445 // known to be 32-bit aligned or better. Ditto for i8 to i16.
446 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
447 LoadSDNode *LD = cast<LoadSDNode>(N);
448 if (const Value *Src = LD->getSrcValue())
449 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
450 if (PT->getAddressSpace() > 255)
452 ISD::LoadExtType ExtType = LD->getExtensionType();
453 if (ExtType == ISD::NON_EXTLOAD)
455 if (ExtType == ISD::EXTLOAD)
456 return LD->getAlignment() >= 2 && !LD->isVolatile();
460 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
461 LoadSDNode *LD = cast<LoadSDNode>(N);
462 if (const Value *Src = LD->getSrcValue())
463 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
464 if (PT->getAddressSpace() > 255)
466 ISD::LoadExtType ExtType = LD->getExtensionType();
467 if (ExtType == ISD::EXTLOAD)
468 return LD->getAlignment() >= 2 && !LD->isVolatile();
472 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
473 LoadSDNode *LD = cast<LoadSDNode>(N);
474 if (const Value *Src = LD->getSrcValue())
475 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
476 if (PT->getAddressSpace() > 255)
478 ISD::LoadExtType ExtType = LD->getExtensionType();
479 if (ExtType == ISD::NON_EXTLOAD)
481 if (ExtType == ISD::EXTLOAD)
482 return LD->getAlignment() >= 4 && !LD->isVolatile();
486 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
487 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
488 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
489 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
490 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
492 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
493 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
494 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
496 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
497 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
498 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
499 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
500 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
501 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
503 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
504 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
505 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
506 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
507 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
508 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
511 // An 'and' node with a single use.
512 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
513 return N->hasOneUse();
515 // An 'srl' node with a single use.
516 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
517 return N->hasOneUse();
519 // An 'trunc' node with a single use.
520 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
521 return N->hasOneUse();
524 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
525 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
526 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
527 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
529 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
530 APInt Mask = APInt::getAllOnesValue(BitWidth);
531 APInt KnownZero0, KnownOne0;
532 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
533 APInt KnownZero1, KnownOne1;
534 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
535 return (~KnownZero0 & ~KnownZero1) == 0;
538 //===----------------------------------------------------------------------===//
539 // Instruction list...
542 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
543 // a stack adjustment and the codegen must know that they may modify the stack
544 // pointer before prolog-epilog rewriting occurs.
545 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
546 // sub / add which can clobber EFLAGS.
547 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
548 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
550 [(X86callseq_start timm:$amt)]>,
551 Requires<[In32BitMode]>;
552 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
554 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
555 Requires<[In32BitMode]>;
558 // x86-64 va_start lowering magic.
559 let usesCustomInserter = 1 in {
560 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
563 i64imm:$regsavefi, i64imm:$offset,
565 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
566 [(X86vastart_save_xmm_regs GR8:$al,
570 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
571 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
572 // one go. Touching the stack at 4K increments is necessary to ensure that the
573 // guard pages used by the OS virtual memory manager are allocated in correct
575 // The main point of having separate instruction are extra unmodelled effects
576 // (compared to ordinary calls) like stack pointer change.
578 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
579 "# dynamic stack allocation",
584 let neverHasSideEffects = 1 in {
585 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
586 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
587 "nop{w}\t$zero", []>, TB, OpSize;
588 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
589 "nop{l}\t$zero", []>, TB;
593 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
594 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", []>;
595 // FIXME: need to make sure that "int $3" matches int3
596 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
597 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
598 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
600 // PIC base construction. This expands to code that looks like this:
603 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
604 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
607 //===----------------------------------------------------------------------===//
608 // Control Flow Instructions.
611 // Return instructions.
612 let isTerminator = 1, isReturn = 1, isBarrier = 1,
613 hasCtrlDep = 1, FPForm = SpecialFP in {
614 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
617 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
619 [(X86retflag timm:$amt)]>;
620 def LRET : I <0xCB, RawFrm, (outs), (ins),
622 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
626 // Unconditional branches.
627 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
628 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
629 "jmp\t$dst", [(br bb:$dst)]>;
630 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
634 // Conditional Branches.
635 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
636 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
637 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
638 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
639 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
643 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
644 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
645 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
646 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
647 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
648 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
649 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
650 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
651 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
652 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
653 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
654 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
655 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
656 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
657 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
658 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
660 // FIXME: What about the CX/RCX versions of this instruction?
661 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
662 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
667 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
668 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
669 [(brind GR32:$dst)]>, Requires<[In32BitMode]>;
670 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
671 [(brind (loadi32 addr:$dst))]>, Requires<[In32BitMode]>;
673 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
674 (ins i16imm:$seg, i16imm:$off),
675 "ljmp{w}\t$seg, $off", []>, OpSize;
676 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
677 (ins i16imm:$seg, i32imm:$off),
678 "ljmp{l}\t$seg, $off", []>;
680 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
681 "ljmp{w}\t{*}$dst", []>, OpSize;
682 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
683 "ljmp{l}\t{*}$dst", []>;
689 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
690 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
691 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
693 //===----------------------------------------------------------------------===//
694 // Call Instructions...
697 // All calls clobber the non-callee saved registers. ESP is marked as
698 // a use to prevent stack-pointer assignments that appear immediately
699 // before calls from potentially appearing dead. Uses for argument
700 // registers are added manually.
701 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
702 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
703 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
704 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
706 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
707 (outs), (ins i32imm_pcrel:$dst,variable_ops),
709 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
710 "call\t{*}$dst", [(X86call GR32:$dst)]>;
711 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
712 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
714 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
715 (ins i16imm:$seg, i16imm:$off),
716 "lcall{w}\t$seg, $off", []>, OpSize;
717 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
718 (ins i16imm:$seg, i32imm:$off),
719 "lcall{l}\t$seg, $off", []>;
721 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
722 "lcall{w}\t{*}$dst", []>, OpSize;
723 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
724 "lcall{l}\t{*}$dst", []>;
726 // callw for 16 bit code for the assembler.
727 let isAsmParserOnly = 1 in
728 def CALLpcrel16 : Ii16PCRel<0xE8, RawFrm,
729 (outs), (ins i16imm_pcrel:$dst, variable_ops),
730 "callw\t$dst", []>, OpSize;
733 // Constructing a stack frame.
735 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
736 "enter\t$len, $lvl", []>;
740 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1,
742 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
743 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
744 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
745 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
747 def TCRETURNdi : I<0, Pseudo, (outs),
748 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
749 "#TC_RETURN $dst $offset", []>;
750 def TCRETURNri : I<0, Pseudo, (outs),
751 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
752 "#TC_RETURN $dst $offset", []>;
754 def TCRETURNmi : I<0, Pseudo, (outs),
755 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
756 "#TC_RETURN $dst $offset", []>;
758 // FIXME: The should be pseudo instructions that are lowered when going to
760 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
761 (ins i32imm_pcrel:$dst, variable_ops),
762 "jmp\t$dst # TAILCALL",
764 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
765 "", []>; // FIXME: Remove encoding when JIT is dead.
767 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
768 "jmp{l}\t{*}$dst # TAILCALL", []>;
771 //===----------------------------------------------------------------------===//
772 // Miscellaneous Instructions...
774 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
775 def LEAVE : I<0xC9, RawFrm,
776 (outs), (ins), "leave", []>, Requires<[In32BitMode]>;
778 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
779 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
781 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
782 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
783 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
784 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
786 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
787 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
789 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
791 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
793 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
794 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
796 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
798 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
799 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
802 let mayStore = 1 in {
803 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
805 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
806 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
808 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
810 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
811 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
815 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
816 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
817 "push{l}\t$imm", []>;
818 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
819 "push{w}\t$imm", []>, OpSize;
820 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
821 "push{l}\t$imm", []>;
824 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
825 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
826 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
827 Requires<[In32BitMode]>;
829 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
830 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
831 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
832 Requires<[In32BitMode]>;
835 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
836 mayLoad=1, neverHasSideEffects=1 in {
837 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
838 Requires<[In32BitMode]>;
840 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
841 mayStore=1, neverHasSideEffects=1 in {
842 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
843 Requires<[In32BitMode]>;
846 let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32
847 def BSWAP32r : I<0xC8, AddRegFrm,
848 (outs GR32:$dst), (ins GR32:$src),
850 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
853 // Bit scan instructions.
854 let Defs = [EFLAGS] in {
855 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
856 "bsf{w}\t{$src, $dst|$dst, $src}",
857 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
858 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
859 "bsf{w}\t{$src, $dst|$dst, $src}",
860 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
862 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
863 "bsf{l}\t{$src, $dst|$dst, $src}",
864 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
865 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
866 "bsf{l}\t{$src, $dst|$dst, $src}",
867 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
869 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
870 "bsr{w}\t{$src, $dst|$dst, $src}",
871 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
872 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
873 "bsr{w}\t{$src, $dst|$dst, $src}",
874 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
876 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
877 "bsr{l}\t{$src, $dst|$dst, $src}",
878 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
879 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
880 "bsr{l}\t{$src, $dst|$dst, $src}",
881 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
884 let neverHasSideEffects = 1 in
885 def LEA16r : I<0x8D, MRMSrcMem,
886 (outs GR16:$dst), (ins i32mem:$src),
887 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
888 let isReMaterializable = 1 in
889 def LEA32r : I<0x8D, MRMSrcMem,
890 (outs GR32:$dst), (ins i32mem:$src),
891 "lea{l}\t{$src|$dst}, {$dst|$src}",
892 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
894 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
895 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
896 [(X86rep_movs i8)]>, REP;
897 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
898 [(X86rep_movs i16)]>, REP, OpSize;
899 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
900 [(X86rep_movs i32)]>, REP;
903 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
904 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
905 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
906 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
907 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
910 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
911 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
912 [(X86rep_stos i8)]>, REP;
913 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
914 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
915 [(X86rep_stos i16)]>, REP, OpSize;
916 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
917 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
918 [(X86rep_stos i32)]>, REP;
920 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
921 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
922 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
923 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
924 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
925 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
926 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
928 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
929 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
930 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
932 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
933 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
934 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
936 let Defs = [RAX, RDX] in
937 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
940 let Defs = [RAX, RCX, RDX] in
941 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
943 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
944 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
947 def SYSCALL : I<0x05, RawFrm,
948 (outs), (ins), "syscall", []>, TB;
949 def SYSRET : I<0x07, RawFrm,
950 (outs), (ins), "sysret", []>, TB;
951 def SYSENTER : I<0x34, RawFrm,
952 (outs), (ins), "sysenter", []>, TB;
953 def SYSEXIT : I<0x35, RawFrm,
954 (outs), (ins), "sysexit", []>, TB, Requires<[In32BitMode]>;
956 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
959 //===----------------------------------------------------------------------===//
960 // Input/Output Instructions...
962 let Defs = [AL], Uses = [DX] in
963 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
964 "in{b}\t{%dx, %al|%AL, %DX}", []>;
965 let Defs = [AX], Uses = [DX] in
966 def IN16rr : I<0xED, RawFrm, (outs), (ins),
967 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
968 let Defs = [EAX], Uses = [DX] in
969 def IN32rr : I<0xED, RawFrm, (outs), (ins),
970 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
973 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
974 "in{b}\t{$port, %al|%AL, $port}", []>;
976 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
977 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
979 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
980 "in{l}\t{$port, %eax|%EAX, $port}", []>;
982 let Uses = [DX, AL] in
983 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
984 "out{b}\t{%al, %dx|%DX, %AL}", []>;
985 let Uses = [DX, AX] in
986 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
987 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
988 let Uses = [DX, EAX] in
989 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
990 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
993 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
994 "out{b}\t{%al, $port|$port, %AL}", []>;
996 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
997 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
999 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
1000 "out{l}\t{%eax, $port|$port, %EAX}", []>;
1002 def IN8 : I<0x6C, RawFrm, (outs), (ins),
1004 def IN16 : I<0x6D, RawFrm, (outs), (ins),
1005 "ins{w}", []>, OpSize;
1006 def IN32 : I<0x6D, RawFrm, (outs), (ins),
1009 //===----------------------------------------------------------------------===//
1010 // Move Instructions...
1012 let neverHasSideEffects = 1 in {
1013 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1014 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1015 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1016 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1017 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1018 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1020 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1021 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1022 "mov{b}\t{$src, $dst|$dst, $src}",
1023 [(set GR8:$dst, imm:$src)]>;
1024 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1025 "mov{w}\t{$src, $dst|$dst, $src}",
1026 [(set GR16:$dst, imm:$src)]>, OpSize;
1027 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1028 "mov{l}\t{$src, $dst|$dst, $src}",
1029 [(set GR32:$dst, imm:$src)]>;
1032 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1033 "mov{b}\t{$src, $dst|$dst, $src}",
1034 [(store (i8 imm:$src), addr:$dst)]>;
1035 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1036 "mov{w}\t{$src, $dst|$dst, $src}",
1037 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
1038 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1039 "mov{l}\t{$src, $dst|$dst, $src}",
1040 [(store (i32 imm:$src), addr:$dst)]>;
1042 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1043 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
1044 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
1045 "mov{b}\t{$src, %al|%al, $src}", []>,
1046 Requires<[In32BitMode]>;
1047 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
1048 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
1049 Requires<[In32BitMode]>;
1050 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1051 "mov{l}\t{$src, %eax|%eax, $src}", []>,
1052 Requires<[In32BitMode]>;
1053 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1054 "mov{b}\t{%al, $dst|$dst, %al}", []>,
1055 Requires<[In32BitMode]>;
1056 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1057 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
1058 Requires<[In32BitMode]>;
1059 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1060 "mov{l}\t{%eax, $dst|$dst, %eax}", []>,
1061 Requires<[In32BitMode]>;
1063 // Moves to and from segment registers
1064 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1065 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1066 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
1067 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1068 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1069 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1070 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
1071 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1072 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1073 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1074 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
1075 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1076 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1077 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1078 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
1079 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1081 let isCodeGenOnly = 1 in {
1082 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1083 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1084 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1085 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1086 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1087 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1090 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1091 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1092 "mov{b}\t{$src, $dst|$dst, $src}",
1093 [(set GR8:$dst, (loadi8 addr:$src))]>;
1094 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1095 "mov{w}\t{$src, $dst|$dst, $src}",
1096 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1097 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1098 "mov{l}\t{$src, $dst|$dst, $src}",
1099 [(set GR32:$dst, (loadi32 addr:$src))]>;
1102 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1103 "mov{b}\t{$src, $dst|$dst, $src}",
1104 [(store GR8:$src, addr:$dst)]>;
1105 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1106 "mov{w}\t{$src, $dst|$dst, $src}",
1107 [(store GR16:$src, addr:$dst)]>, OpSize;
1108 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1109 "mov{l}\t{$src, $dst|$dst, $src}",
1110 [(store GR32:$src, addr:$dst)]>;
1112 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1113 let isCodeGenOnly = 1 in {
1114 let neverHasSideEffects = 1 in
1115 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1116 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1119 canFoldAsLoad = 1, isReMaterializable = 1 in
1120 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1121 "mov{l}\t{$src, $dst|$dst, $src}",
1125 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1126 "mov{l}\t{$src, $dst|$dst, $src}",
1130 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1131 // that they can be used for copying and storing h registers, which can't be
1132 // encoded when a REX prefix is present.
1133 let isCodeGenOnly = 1 in {
1134 let neverHasSideEffects = 1 in
1135 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1136 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1137 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1139 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1140 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1141 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1143 canFoldAsLoad = 1, isReMaterializable = 1 in
1144 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1145 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1146 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1149 // Moves to and from debug registers
1150 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1151 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1152 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1153 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1155 // Moves to and from control registers
1156 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1157 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1158 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1159 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1161 //===----------------------------------------------------------------------===//
1162 // Fixed-Register Multiplication and Division Instructions...
1165 // Extra precision multiplication
1167 // AL is really implied by AX, by the registers in Defs must match the
1168 // SDNode results (i8, i32).
1169 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1170 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1171 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1172 // This probably ought to be moved to a def : Pat<> if the
1173 // syntax can be accepted.
1174 [(set AL, (mul AL, GR8:$src)),
1175 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1177 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1178 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1180 []>, OpSize; // AX,DX = AX*GR16
1182 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1183 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1185 []>; // EAX,EDX = EAX*GR32
1187 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1188 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1190 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1191 // This probably ought to be moved to a def : Pat<> if the
1192 // syntax can be accepted.
1193 [(set AL, (mul AL, (loadi8 addr:$src))),
1194 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1196 let mayLoad = 1, neverHasSideEffects = 1 in {
1197 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1198 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1200 []>, OpSize; // AX,DX = AX*[mem16]
1202 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1203 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1205 []>; // EAX,EDX = EAX*[mem32]
1208 let neverHasSideEffects = 1 in {
1209 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1210 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1212 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1213 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1214 OpSize; // AX,DX = AX*GR16
1215 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1216 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1217 // EAX,EDX = EAX*GR32
1218 let mayLoad = 1 in {
1219 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1220 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1221 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1222 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1223 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1224 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1225 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1226 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1227 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1229 } // neverHasSideEffects
1231 // unsigned division/remainder
1232 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1233 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1234 "div{b}\t$src", []>;
1235 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1236 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1237 "div{w}\t$src", []>, OpSize;
1238 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1239 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1240 "div{l}\t$src", []>;
1241 let mayLoad = 1 in {
1242 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1243 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1244 "div{b}\t$src", []>;
1245 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1246 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1247 "div{w}\t$src", []>, OpSize;
1248 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1249 // EDX:EAX/[mem32] = EAX,EDX
1250 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1251 "div{l}\t$src", []>;
1254 // Signed division/remainder.
1255 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1256 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1257 "idiv{b}\t$src", []>;
1258 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1259 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1260 "idiv{w}\t$src", []>, OpSize;
1261 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1262 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1263 "idiv{l}\t$src", []>;
1264 let mayLoad = 1, mayLoad = 1 in {
1265 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1266 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1267 "idiv{b}\t$src", []>;
1268 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1269 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1270 "idiv{w}\t$src", []>, OpSize;
1271 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1272 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1273 // EDX:EAX/[mem32] = EAX,EDX
1274 "idiv{l}\t$src", []>;
1277 //===----------------------------------------------------------------------===//
1278 // Two address Instructions.
1280 let Constraints = "$src1 = $dst" in {
1282 // Conditional moves
1283 let Uses = [EFLAGS] in {
1285 let Predicates = [HasCMov] in {
1286 let isCommutable = 1 in {
1287 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1288 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1289 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1290 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1291 X86_COND_B, EFLAGS))]>,
1293 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1294 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1295 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1296 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1297 X86_COND_B, EFLAGS))]>,
1299 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1300 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1301 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1302 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1303 X86_COND_AE, EFLAGS))]>,
1305 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1306 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1307 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1308 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1309 X86_COND_AE, EFLAGS))]>,
1311 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1312 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1313 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1314 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1315 X86_COND_E, EFLAGS))]>,
1317 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1318 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1319 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1320 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1321 X86_COND_E, EFLAGS))]>,
1323 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1324 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1325 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1326 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1327 X86_COND_NE, EFLAGS))]>,
1329 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1330 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1331 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1332 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1333 X86_COND_NE, EFLAGS))]>,
1335 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1336 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1337 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1338 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1339 X86_COND_BE, EFLAGS))]>,
1341 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1342 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1343 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1344 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1345 X86_COND_BE, EFLAGS))]>,
1347 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1348 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1349 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1350 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1351 X86_COND_A, EFLAGS))]>,
1353 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1354 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1355 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1356 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1357 X86_COND_A, EFLAGS))]>,
1359 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1360 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1361 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1362 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1363 X86_COND_L, EFLAGS))]>,
1365 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1366 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1367 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1368 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1369 X86_COND_L, EFLAGS))]>,
1371 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1372 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1373 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1374 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1375 X86_COND_GE, EFLAGS))]>,
1377 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1378 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1379 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1380 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1381 X86_COND_GE, EFLAGS))]>,
1383 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1384 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1385 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1386 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1387 X86_COND_LE, EFLAGS))]>,
1389 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1390 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1391 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1392 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1393 X86_COND_LE, EFLAGS))]>,
1395 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1396 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1397 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1398 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1399 X86_COND_G, EFLAGS))]>,
1401 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1402 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1403 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1404 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1405 X86_COND_G, EFLAGS))]>,
1407 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1408 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1409 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1410 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1411 X86_COND_S, EFLAGS))]>,
1413 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1414 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1415 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1416 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1417 X86_COND_S, EFLAGS))]>,
1419 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1420 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1421 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1422 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1423 X86_COND_NS, EFLAGS))]>,
1425 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1426 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1427 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1428 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1429 X86_COND_NS, EFLAGS))]>,
1431 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1432 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1433 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1434 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1435 X86_COND_P, EFLAGS))]>,
1437 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1438 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1439 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1440 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1441 X86_COND_P, EFLAGS))]>,
1443 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1444 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1445 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1446 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1447 X86_COND_NP, EFLAGS))]>,
1449 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1450 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1451 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1452 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1453 X86_COND_NP, EFLAGS))]>,
1455 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1456 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1457 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1458 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1459 X86_COND_O, EFLAGS))]>,
1461 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1462 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1463 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1464 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1465 X86_COND_O, EFLAGS))]>,
1467 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1468 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1469 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1470 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1471 X86_COND_NO, EFLAGS))]>,
1473 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1474 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1475 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1476 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1477 X86_COND_NO, EFLAGS))]>,
1479 } // isCommutable = 1
1481 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1482 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1483 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1484 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1485 X86_COND_B, EFLAGS))]>,
1487 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1488 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1489 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1490 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1491 X86_COND_B, EFLAGS))]>,
1493 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1494 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1495 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1496 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1497 X86_COND_AE, EFLAGS))]>,
1499 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1500 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1501 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1502 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1503 X86_COND_AE, EFLAGS))]>,
1505 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1506 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1507 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1508 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1509 X86_COND_E, EFLAGS))]>,
1511 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1512 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1513 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1514 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1515 X86_COND_E, EFLAGS))]>,
1517 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1518 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1519 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1520 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1521 X86_COND_NE, EFLAGS))]>,
1523 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1524 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1525 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1526 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1527 X86_COND_NE, EFLAGS))]>,
1529 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1530 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1531 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1532 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1533 X86_COND_BE, EFLAGS))]>,
1535 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1536 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1537 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1538 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1539 X86_COND_BE, EFLAGS))]>,
1541 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1542 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1543 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1544 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1545 X86_COND_A, EFLAGS))]>,
1547 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1548 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1549 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1550 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1551 X86_COND_A, EFLAGS))]>,
1553 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1554 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1555 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1556 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1557 X86_COND_L, EFLAGS))]>,
1559 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1560 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1561 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1562 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1563 X86_COND_L, EFLAGS))]>,
1565 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1566 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1567 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1568 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1569 X86_COND_GE, EFLAGS))]>,
1571 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1572 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1573 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1574 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1575 X86_COND_GE, EFLAGS))]>,
1577 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1578 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1579 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1580 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1581 X86_COND_LE, EFLAGS))]>,
1583 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1584 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1585 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1586 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1587 X86_COND_LE, EFLAGS))]>,
1589 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1590 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1591 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1592 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1593 X86_COND_G, EFLAGS))]>,
1595 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1596 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1597 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1598 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1599 X86_COND_G, EFLAGS))]>,
1601 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1602 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1603 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1604 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1605 X86_COND_S, EFLAGS))]>,
1607 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1608 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1609 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1610 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1611 X86_COND_S, EFLAGS))]>,
1613 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1614 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1615 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1616 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1617 X86_COND_NS, EFLAGS))]>,
1619 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1620 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1621 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1622 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1623 X86_COND_NS, EFLAGS))]>,
1625 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1626 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1627 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1628 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1629 X86_COND_P, EFLAGS))]>,
1631 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1632 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1633 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1634 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1635 X86_COND_P, EFLAGS))]>,
1637 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1638 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1639 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1640 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1641 X86_COND_NP, EFLAGS))]>,
1643 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1644 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1645 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1646 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1647 X86_COND_NP, EFLAGS))]>,
1649 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1650 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1651 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1652 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1653 X86_COND_O, EFLAGS))]>,
1655 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1656 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1657 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1658 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1659 X86_COND_O, EFLAGS))]>,
1661 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1662 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1663 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1664 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1665 X86_COND_NO, EFLAGS))]>,
1667 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1668 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1669 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1670 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1671 X86_COND_NO, EFLAGS))]>,
1673 } // Predicates = [HasCMov]
1675 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1676 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1677 // however that requires promoting the operands, and can induce additional
1678 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1679 // clobber EFLAGS, because if one of the operands is zero, the expansion
1680 // could involve an xor.
1681 let usesCustomInserter = 1, Constraints = "", Defs = [EFLAGS] in {
1682 def CMOV_GR8 : I<0, Pseudo,
1683 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1684 "#CMOV_GR8 PSEUDO!",
1685 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1686 imm:$cond, EFLAGS))]>;
1688 let Predicates = [NoCMov] in {
1689 def CMOV_GR32 : I<0, Pseudo,
1690 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1691 "#CMOV_GR32* PSEUDO!",
1693 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1694 def CMOV_GR16 : I<0, Pseudo,
1695 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1696 "#CMOV_GR16* PSEUDO!",
1698 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1699 def CMOV_RFP32 : I<0, Pseudo,
1701 (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1702 "#CMOV_RFP32 PSEUDO!",
1704 (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1706 def CMOV_RFP64 : I<0, Pseudo,
1708 (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1709 "#CMOV_RFP64 PSEUDO!",
1711 (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1713 def CMOV_RFP80 : I<0, Pseudo,
1715 (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1716 "#CMOV_RFP80 PSEUDO!",
1718 (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1720 } // Predicates = [NoCMov]
1721 } // UsesCustomInserter = 1, Constraints = "", Defs = [EFLAGS]
1722 } // Uses = [EFLAGS]
1725 // unary instructions
1726 let CodeSize = 2 in {
1727 let Defs = [EFLAGS] in {
1728 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
1730 [(set GR8:$dst, (ineg GR8:$src1)),
1731 (implicit EFLAGS)]>;
1732 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1734 [(set GR16:$dst, (ineg GR16:$src1)),
1735 (implicit EFLAGS)]>, OpSize;
1736 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1738 [(set GR32:$dst, (ineg GR32:$src1)),
1739 (implicit EFLAGS)]>;
1741 let Constraints = "" in {
1742 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
1744 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1745 (implicit EFLAGS)]>;
1746 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
1748 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1749 (implicit EFLAGS)]>, OpSize;
1750 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
1752 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1753 (implicit EFLAGS)]>;
1754 } // Constraints = ""
1755 } // Defs = [EFLAGS]
1757 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1758 let AddedComplexity = 15 in {
1759 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
1761 [(set GR8:$dst, (not GR8:$src1))]>;
1762 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1764 [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
1765 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1767 [(set GR32:$dst, (not GR32:$src1))]>;
1769 let Constraints = "" in {
1770 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
1772 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1773 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
1775 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1776 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
1778 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1779 } // Constraints = ""
1782 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1783 let Defs = [EFLAGS] in {
1785 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1787 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;
1789 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1790 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1792 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
1793 OpSize, Requires<[In32BitMode]>;
1794 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1796 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
1797 Requires<[In32BitMode]>;
1799 let Constraints = "", CodeSize = 2 in {
1800 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1801 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1802 (implicit EFLAGS)]>;
1803 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1804 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1805 (implicit EFLAGS)]>,
1806 OpSize, Requires<[In32BitMode]>;
1807 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1808 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1809 (implicit EFLAGS)]>,
1810 Requires<[In32BitMode]>;
1811 } // Constraints = "", CodeSize = 2
1814 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1816 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
1817 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1818 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1820 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
1821 OpSize, Requires<[In32BitMode]>;
1822 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1824 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
1825 Requires<[In32BitMode]>;
1828 let Constraints = "", CodeSize = 2 in {
1829 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1830 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1831 (implicit EFLAGS)]>;
1832 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1833 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1834 (implicit EFLAGS)]>,
1835 OpSize, Requires<[In32BitMode]>;
1836 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1837 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1838 (implicit EFLAGS)]>,
1839 Requires<[In32BitMode]>;
1840 } // Constraints = "", CodeSize = 2
1841 } // Defs = [EFLAGS]
1843 // Logical operators...
1844 let Defs = [EFLAGS] in {
1845 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1846 def AND8rr : I<0x20, MRMDestReg,
1847 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1848 "and{b}\t{$src2, $dst|$dst, $src2}",
1849 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1850 def AND16rr : I<0x21, MRMDestReg,
1851 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1852 "and{w}\t{$src2, $dst|$dst, $src2}",
1853 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1854 GR16:$src2))]>, OpSize;
1855 def AND32rr : I<0x21, MRMDestReg,
1856 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1857 "and{l}\t{$src2, $dst|$dst, $src2}",
1858 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1862 // AND instructions with the destination register in REG and the source register
1863 // in R/M. Included for the disassembler.
1864 let isCodeGenOnly = 1 in {
1865 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1866 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1867 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1868 (ins GR16:$src1, GR16:$src2),
1869 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1870 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1871 (ins GR32:$src1, GR32:$src2),
1872 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1875 def AND8rm : I<0x22, MRMSrcMem,
1876 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1877 "and{b}\t{$src2, $dst|$dst, $src2}",
1878 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1879 (loadi8 addr:$src2)))]>;
1880 def AND16rm : I<0x23, MRMSrcMem,
1881 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1882 "and{w}\t{$src2, $dst|$dst, $src2}",
1883 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1884 (loadi16 addr:$src2)))]>,
1886 def AND32rm : I<0x23, MRMSrcMem,
1887 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1888 "and{l}\t{$src2, $dst|$dst, $src2}",
1889 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1890 (loadi32 addr:$src2)))]>;
1892 def AND8ri : Ii8<0x80, MRM4r,
1893 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1894 "and{b}\t{$src2, $dst|$dst, $src2}",
1895 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1897 def AND16ri : Ii16<0x81, MRM4r,
1898 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1899 "and{w}\t{$src2, $dst|$dst, $src2}",
1900 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1901 imm:$src2))]>, OpSize;
1902 def AND32ri : Ii32<0x81, MRM4r,
1903 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1904 "and{l}\t{$src2, $dst|$dst, $src2}",
1905 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1907 def AND16ri8 : Ii8<0x83, MRM4r,
1908 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1909 "and{w}\t{$src2, $dst|$dst, $src2}",
1910 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1911 i16immSExt8:$src2))]>,
1913 def AND32ri8 : Ii8<0x83, MRM4r,
1914 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1915 "and{l}\t{$src2, $dst|$dst, $src2}",
1916 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1917 i32immSExt8:$src2))]>;
1919 let Constraints = "" in {
1920 def AND8mr : I<0x20, MRMDestMem,
1921 (outs), (ins i8mem :$dst, GR8 :$src),
1922 "and{b}\t{$src, $dst|$dst, $src}",
1923 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1924 (implicit EFLAGS)]>;
1925 def AND16mr : I<0x21, MRMDestMem,
1926 (outs), (ins i16mem:$dst, GR16:$src),
1927 "and{w}\t{$src, $dst|$dst, $src}",
1928 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1929 (implicit EFLAGS)]>,
1931 def AND32mr : I<0x21, MRMDestMem,
1932 (outs), (ins i32mem:$dst, GR32:$src),
1933 "and{l}\t{$src, $dst|$dst, $src}",
1934 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1935 (implicit EFLAGS)]>;
1936 def AND8mi : Ii8<0x80, MRM4m,
1937 (outs), (ins i8mem :$dst, i8imm :$src),
1938 "and{b}\t{$src, $dst|$dst, $src}",
1939 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1940 (implicit EFLAGS)]>;
1941 def AND16mi : Ii16<0x81, MRM4m,
1942 (outs), (ins i16mem:$dst, i16imm:$src),
1943 "and{w}\t{$src, $dst|$dst, $src}",
1944 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1945 (implicit EFLAGS)]>,
1947 def AND32mi : Ii32<0x81, MRM4m,
1948 (outs), (ins i32mem:$dst, i32imm:$src),
1949 "and{l}\t{$src, $dst|$dst, $src}",
1950 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1951 (implicit EFLAGS)]>;
1952 def AND16mi8 : Ii8<0x83, MRM4m,
1953 (outs), (ins i16mem:$dst, i16i8imm :$src),
1954 "and{w}\t{$src, $dst|$dst, $src}",
1955 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1956 (implicit EFLAGS)]>,
1958 def AND32mi8 : Ii8<0x83, MRM4m,
1959 (outs), (ins i32mem:$dst, i32i8imm :$src),
1960 "and{l}\t{$src, $dst|$dst, $src}",
1961 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1962 (implicit EFLAGS)]>;
1964 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1965 "and{b}\t{$src, %al|%al, $src}", []>;
1966 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1967 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1968 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1969 "and{l}\t{$src, %eax|%eax, $src}", []>;
1971 } // Constraints = ""
1974 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1975 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1976 (ins GR8 :$src1, GR8 :$src2),
1977 "or{b}\t{$src2, $dst|$dst, $src2}",
1978 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1979 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1980 (ins GR16:$src1, GR16:$src2),
1981 "or{w}\t{$src2, $dst|$dst, $src2}",
1982 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1984 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1985 (ins GR32:$src1, GR32:$src2),
1986 "or{l}\t{$src2, $dst|$dst, $src2}",
1987 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1990 // OR instructions with the destination register in REG and the source register
1991 // in R/M. Included for the disassembler.
1992 let isCodeGenOnly = 1 in {
1993 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1994 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1995 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1996 (ins GR16:$src1, GR16:$src2),
1997 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1998 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1999 (ins GR32:$src1, GR32:$src2),
2000 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
2003 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
2004 (ins GR8 :$src1, i8mem :$src2),
2005 "or{b}\t{$src2, $dst|$dst, $src2}",
2006 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
2007 (load addr:$src2)))]>;
2008 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
2009 (ins GR16:$src1, i16mem:$src2),
2010 "or{w}\t{$src2, $dst|$dst, $src2}",
2011 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2012 (load addr:$src2)))]>,
2014 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
2015 (ins GR32:$src1, i32mem:$src2),
2016 "or{l}\t{$src2, $dst|$dst, $src2}",
2017 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2018 (load addr:$src2)))]>;
2020 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
2021 (ins GR8 :$src1, i8imm:$src2),
2022 "or{b}\t{$src2, $dst|$dst, $src2}",
2023 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
2024 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
2025 (ins GR16:$src1, i16imm:$src2),
2026 "or{w}\t{$src2, $dst|$dst, $src2}",
2027 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2028 imm:$src2))]>, OpSize;
2029 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
2030 (ins GR32:$src1, i32imm:$src2),
2031 "or{l}\t{$src2, $dst|$dst, $src2}",
2032 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2035 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
2036 (ins GR16:$src1, i16i8imm:$src2),
2037 "or{w}\t{$src2, $dst|$dst, $src2}",
2038 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2039 i16immSExt8:$src2))]>, OpSize;
2040 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
2041 (ins GR32:$src1, i32i8imm:$src2),
2042 "or{l}\t{$src2, $dst|$dst, $src2}",
2043 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2044 i32immSExt8:$src2))]>;
2045 let Constraints = "" in {
2046 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
2047 "or{b}\t{$src, $dst|$dst, $src}",
2048 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
2049 (implicit EFLAGS)]>;
2050 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2051 "or{w}\t{$src, $dst|$dst, $src}",
2052 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
2053 (implicit EFLAGS)]>, OpSize;
2054 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2055 "or{l}\t{$src, $dst|$dst, $src}",
2056 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
2057 (implicit EFLAGS)]>;
2058 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2059 "or{b}\t{$src, $dst|$dst, $src}",
2060 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
2061 (implicit EFLAGS)]>;
2062 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
2063 "or{w}\t{$src, $dst|$dst, $src}",
2064 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
2065 (implicit EFLAGS)]>,
2067 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
2068 "or{l}\t{$src, $dst|$dst, $src}",
2069 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
2070 (implicit EFLAGS)]>;
2071 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
2072 "or{w}\t{$src, $dst|$dst, $src}",
2073 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
2074 (implicit EFLAGS)]>,
2076 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
2077 "or{l}\t{$src, $dst|$dst, $src}",
2078 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
2079 (implicit EFLAGS)]>;
2081 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
2082 "or{b}\t{$src, %al|%al, $src}", []>;
2083 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
2084 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2085 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
2086 "or{l}\t{$src, %eax|%eax, $src}", []>;
2087 } // Constraints = ""
2090 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2091 def XOR8rr : I<0x30, MRMDestReg,
2092 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2093 "xor{b}\t{$src2, $dst|$dst, $src2}",
2094 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2096 def XOR16rr : I<0x31, MRMDestReg,
2097 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2098 "xor{w}\t{$src2, $dst|$dst, $src2}",
2099 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2100 GR16:$src2))]>, OpSize;
2101 def XOR32rr : I<0x31, MRMDestReg,
2102 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2103 "xor{l}\t{$src2, $dst|$dst, $src2}",
2104 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2106 } // isCommutable = 1
2108 // XOR instructions with the destination register in REG and the source register
2109 // in R/M. Included for the disassembler.
2110 let isCodeGenOnly = 1 in {
2111 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2112 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2113 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2114 (ins GR16:$src1, GR16:$src2),
2115 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2116 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2117 (ins GR32:$src1, GR32:$src2),
2118 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2121 def XOR8rm : I<0x32, MRMSrcMem,
2122 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2123 "xor{b}\t{$src2, $dst|$dst, $src2}",
2124 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2125 (load addr:$src2)))]>;
2126 def XOR16rm : I<0x33, MRMSrcMem,
2127 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2128 "xor{w}\t{$src2, $dst|$dst, $src2}",
2129 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2130 (load addr:$src2)))]>,
2132 def XOR32rm : I<0x33, MRMSrcMem,
2133 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2134 "xor{l}\t{$src2, $dst|$dst, $src2}",
2135 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2136 (load addr:$src2)))]>;
2138 def XOR8ri : Ii8<0x80, MRM6r,
2139 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2140 "xor{b}\t{$src2, $dst|$dst, $src2}",
2141 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2142 def XOR16ri : Ii16<0x81, MRM6r,
2143 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2144 "xor{w}\t{$src2, $dst|$dst, $src2}",
2145 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2146 imm:$src2))]>, OpSize;
2147 def XOR32ri : Ii32<0x81, MRM6r,
2148 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2149 "xor{l}\t{$src2, $dst|$dst, $src2}",
2150 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2152 def XOR16ri8 : Ii8<0x83, MRM6r,
2153 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2154 "xor{w}\t{$src2, $dst|$dst, $src2}",
2155 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2156 i16immSExt8:$src2))]>,
2158 def XOR32ri8 : Ii8<0x83, MRM6r,
2159 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2160 "xor{l}\t{$src2, $dst|$dst, $src2}",
2161 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2162 i32immSExt8:$src2))]>;
2164 let Constraints = "" in {
2165 def XOR8mr : I<0x30, MRMDestMem,
2166 (outs), (ins i8mem :$dst, GR8 :$src),
2167 "xor{b}\t{$src, $dst|$dst, $src}",
2168 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2169 (implicit EFLAGS)]>;
2170 def XOR16mr : I<0x31, MRMDestMem,
2171 (outs), (ins i16mem:$dst, GR16:$src),
2172 "xor{w}\t{$src, $dst|$dst, $src}",
2173 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2174 (implicit EFLAGS)]>,
2176 def XOR32mr : I<0x31, MRMDestMem,
2177 (outs), (ins i32mem:$dst, GR32:$src),
2178 "xor{l}\t{$src, $dst|$dst, $src}",
2179 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2180 (implicit EFLAGS)]>;
2181 def XOR8mi : Ii8<0x80, MRM6m,
2182 (outs), (ins i8mem :$dst, i8imm :$src),
2183 "xor{b}\t{$src, $dst|$dst, $src}",
2184 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2185 (implicit EFLAGS)]>;
2186 def XOR16mi : Ii16<0x81, MRM6m,
2187 (outs), (ins i16mem:$dst, i16imm:$src),
2188 "xor{w}\t{$src, $dst|$dst, $src}",
2189 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2190 (implicit EFLAGS)]>,
2192 def XOR32mi : Ii32<0x81, MRM6m,
2193 (outs), (ins i32mem:$dst, i32imm:$src),
2194 "xor{l}\t{$src, $dst|$dst, $src}",
2195 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2196 (implicit EFLAGS)]>;
2197 def XOR16mi8 : Ii8<0x83, MRM6m,
2198 (outs), (ins i16mem:$dst, i16i8imm :$src),
2199 "xor{w}\t{$src, $dst|$dst, $src}",
2200 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2201 (implicit EFLAGS)]>,
2203 def XOR32mi8 : Ii8<0x83, MRM6m,
2204 (outs), (ins i32mem:$dst, i32i8imm :$src),
2205 "xor{l}\t{$src, $dst|$dst, $src}",
2206 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2207 (implicit EFLAGS)]>;
2209 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2210 "xor{b}\t{$src, %al|%al, $src}", []>;
2211 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2212 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2213 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2214 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2215 } // Constraints = ""
2216 } // Defs = [EFLAGS]
2218 // Shift instructions
2219 let Defs = [EFLAGS] in {
2220 let Uses = [CL] in {
2221 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
2222 "shl{b}\t{%cl, $dst|$dst, CL}",
2223 [(set GR8:$dst, (shl GR8:$src1, CL))]>;
2224 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2225 "shl{w}\t{%cl, $dst|$dst, CL}",
2226 [(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize;
2227 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2228 "shl{l}\t{%cl, $dst|$dst, CL}",
2229 [(set GR32:$dst, (shl GR32:$src1, CL))]>;
2232 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2233 "shl{b}\t{$src2, $dst|$dst, $src2}",
2234 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2236 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2237 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2238 "shl{w}\t{$src2, $dst|$dst, $src2}",
2239 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2240 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2241 "shl{l}\t{$src2, $dst|$dst, $src2}",
2242 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2244 // NOTE: We don't include patterns for shifts of a register by one, because
2245 // 'add reg,reg' is cheaper.
2247 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2248 "shl{b}\t$dst", []>;
2249 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2250 "shl{w}\t$dst", []>, OpSize;
2251 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2252 "shl{l}\t$dst", []>;
2254 } // isConvertibleToThreeAddress = 1
2256 let Constraints = "" in {
2257 let Uses = [CL] in {
2258 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2259 "shl{b}\t{%cl, $dst|$dst, CL}",
2260 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2261 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2262 "shl{w}\t{%cl, $dst|$dst, CL}",
2263 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2264 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2265 "shl{l}\t{%cl, $dst|$dst, CL}",
2266 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2268 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2269 "shl{b}\t{$src, $dst|$dst, $src}",
2270 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2271 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2272 "shl{w}\t{$src, $dst|$dst, $src}",
2273 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2275 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2276 "shl{l}\t{$src, $dst|$dst, $src}",
2277 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2280 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2282 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2283 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2285 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2287 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2289 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2290 } // Constraints = ""
2292 let Uses = [CL] in {
2293 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
2294 "shr{b}\t{%cl, $dst|$dst, CL}",
2295 [(set GR8:$dst, (srl GR8:$src1, CL))]>;
2296 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2297 "shr{w}\t{%cl, $dst|$dst, CL}",
2298 [(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize;
2299 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2300 "shr{l}\t{%cl, $dst|$dst, CL}",
2301 [(set GR32:$dst, (srl GR32:$src1, CL))]>;
2304 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2305 "shr{b}\t{$src2, $dst|$dst, $src2}",
2306 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2307 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2308 "shr{w}\t{$src2, $dst|$dst, $src2}",
2309 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2310 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2311 "shr{l}\t{$src2, $dst|$dst, $src2}",
2312 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2315 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2317 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2318 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2320 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2321 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2323 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2325 let Constraints = "" in {
2326 let Uses = [CL] in {
2327 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2328 "shr{b}\t{%cl, $dst|$dst, CL}",
2329 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2330 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2331 "shr{w}\t{%cl, $dst|$dst, CL}",
2332 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2334 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2335 "shr{l}\t{%cl, $dst|$dst, CL}",
2336 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2338 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2339 "shr{b}\t{$src, $dst|$dst, $src}",
2340 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2341 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2342 "shr{w}\t{$src, $dst|$dst, $src}",
2343 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2345 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2346 "shr{l}\t{$src, $dst|$dst, $src}",
2347 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2350 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2352 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2353 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2355 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2356 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2358 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2359 } // Constraints = ""
2361 let Uses = [CL] in {
2362 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2363 "sar{b}\t{%cl, $dst|$dst, CL}",
2364 [(set GR8:$dst, (sra GR8:$src1, CL))]>;
2365 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2366 "sar{w}\t{%cl, $dst|$dst, CL}",
2367 [(set GR16:$dst, (sra GR16:$src1, CL))]>, OpSize;
2368 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2369 "sar{l}\t{%cl, $dst|$dst, CL}",
2370 [(set GR32:$dst, (sra GR32:$src1, CL))]>;
2373 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2374 "sar{b}\t{$src2, $dst|$dst, $src2}",
2375 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2376 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2377 "sar{w}\t{$src2, $dst|$dst, $src2}",
2378 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2380 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2381 "sar{l}\t{$src2, $dst|$dst, $src2}",
2382 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2385 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2387 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2388 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2390 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2391 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2393 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2395 let Constraints = "" in {
2396 let Uses = [CL] in {
2397 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2398 "sar{b}\t{%cl, $dst|$dst, CL}",
2399 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2400 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2401 "sar{w}\t{%cl, $dst|$dst, CL}",
2402 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2403 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2404 "sar{l}\t{%cl, $dst|$dst, CL}",
2405 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2407 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2408 "sar{b}\t{$src, $dst|$dst, $src}",
2409 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2410 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2411 "sar{w}\t{$src, $dst|$dst, $src}",
2412 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2414 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2415 "sar{l}\t{$src, $dst|$dst, $src}",
2416 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2419 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2421 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2422 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2424 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2426 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2428 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2429 } // Constraints = ""
2431 // Rotate instructions
2433 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2434 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2435 let Uses = [CL] in {
2436 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2437 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2439 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2440 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2442 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2443 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2444 let Uses = [CL] in {
2445 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2446 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2448 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2449 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2451 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2452 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2453 let Uses = [CL] in {
2454 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2455 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2457 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2458 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2460 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2461 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2462 let Uses = [CL] in {
2463 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2464 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2466 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2467 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2469 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2470 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2471 let Uses = [CL] in {
2472 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2473 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2475 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2476 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2478 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2479 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2480 let Uses = [CL] in {
2481 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2482 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2484 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2485 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2487 let Constraints = "" in {
2488 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2489 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2490 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2491 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2492 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2493 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2494 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2495 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2496 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2497 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2498 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2499 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2500 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2501 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2502 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2503 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2504 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2505 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2506 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2507 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2508 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2509 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2510 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2511 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2513 let Uses = [CL] in {
2514 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2515 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2516 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2517 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2518 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2519 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2520 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2521 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2522 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2523 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2524 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2525 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2527 } // Constraints = ""
2529 // FIXME: provide shorter instructions when imm8 == 1
2530 let Uses = [CL] in {
2531 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2532 "rol{b}\t{%cl, $dst|$dst, CL}",
2533 [(set GR8:$dst, (rotl GR8:$src1, CL))]>;
2534 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2535 "rol{w}\t{%cl, $dst|$dst, CL}",
2536 [(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize;
2537 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2538 "rol{l}\t{%cl, $dst|$dst, CL}",
2539 [(set GR32:$dst, (rotl GR32:$src1, CL))]>;
2542 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2543 "rol{b}\t{$src2, $dst|$dst, $src2}",
2544 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2545 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2546 "rol{w}\t{$src2, $dst|$dst, $src2}",
2547 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2549 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2550 "rol{l}\t{$src2, $dst|$dst, $src2}",
2551 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2554 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2556 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2557 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2559 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2560 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2562 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2564 let Constraints = "" in {
2565 let Uses = [CL] in {
2566 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2567 "rol{b}\t{%cl, $dst|$dst, CL}",
2568 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2569 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2570 "rol{w}\t{%cl, $dst|$dst, CL}",
2571 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2572 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2573 "rol{l}\t{%cl, $dst|$dst, CL}",
2574 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2576 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2577 "rol{b}\t{$src, $dst|$dst, $src}",
2578 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2579 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2580 "rol{w}\t{$src, $dst|$dst, $src}",
2581 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2583 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2584 "rol{l}\t{$src, $dst|$dst, $src}",
2585 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2588 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2590 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2591 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2593 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2595 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2597 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2598 } // Constraints = ""
2600 let Uses = [CL] in {
2601 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2602 "ror{b}\t{%cl, $dst|$dst, CL}",
2603 [(set GR8:$dst, (rotr GR8:$src1, CL))]>;
2604 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2605 "ror{w}\t{%cl, $dst|$dst, CL}",
2606 [(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize;
2607 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2608 "ror{l}\t{%cl, $dst|$dst, CL}",
2609 [(set GR32:$dst, (rotr GR32:$src1, CL))]>;
2612 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2613 "ror{b}\t{$src2, $dst|$dst, $src2}",
2614 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2615 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2616 "ror{w}\t{$src2, $dst|$dst, $src2}",
2617 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2619 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2620 "ror{l}\t{$src2, $dst|$dst, $src2}",
2621 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2624 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2626 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2627 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2629 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2630 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2632 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2634 let Constraints = "" in {
2635 let Uses = [CL] in {
2636 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2637 "ror{b}\t{%cl, $dst|$dst, CL}",
2638 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2639 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2640 "ror{w}\t{%cl, $dst|$dst, CL}",
2641 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2642 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2643 "ror{l}\t{%cl, $dst|$dst, CL}",
2644 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2646 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2647 "ror{b}\t{$src, $dst|$dst, $src}",
2648 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2649 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2650 "ror{w}\t{$src, $dst|$dst, $src}",
2651 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2653 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2654 "ror{l}\t{$src, $dst|$dst, $src}",
2655 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2658 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2660 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2661 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2663 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2665 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2667 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2668 } // Constraints = ""
2671 // Double shift instructions (generalizations of rotate)
2672 let Uses = [CL] in {
2673 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2674 (ins GR32:$src1, GR32:$src2),
2675 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2676 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2677 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2678 (ins GR32:$src1, GR32:$src2),
2679 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2680 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2681 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2682 (ins GR16:$src1, GR16:$src2),
2683 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2684 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2686 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2687 (ins GR16:$src1, GR16:$src2),
2688 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2689 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2693 let isCommutable = 1 in { // These instructions commute to each other.
2694 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2696 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2697 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2698 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2701 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2703 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2704 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2705 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2708 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2710 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2711 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2712 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2715 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2717 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2718 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2719 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2724 let Constraints = "" in {
2725 let Uses = [CL] in {
2726 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2727 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2728 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2730 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2731 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2732 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2735 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2736 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2737 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2738 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2739 (i8 imm:$src3)), addr:$dst)]>,
2741 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2742 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2743 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2744 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2745 (i8 imm:$src3)), addr:$dst)]>,
2748 let Uses = [CL] in {
2749 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2750 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2751 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2752 addr:$dst)]>, TB, OpSize;
2753 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2754 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2755 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2756 addr:$dst)]>, TB, OpSize;
2758 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2759 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2760 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2761 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2762 (i8 imm:$src3)), addr:$dst)]>,
2764 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2765 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2766 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2767 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2768 (i8 imm:$src3)), addr:$dst)]>,
2770 } // Constraints = ""
2771 } // Defs = [EFLAGS]
2775 let Defs = [EFLAGS] in {
2776 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2777 // Register-Register Addition
2778 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2779 (ins GR8 :$src1, GR8 :$src2),
2780 "add{b}\t{$src2, $dst|$dst, $src2}",
2781 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2783 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2784 // Register-Register Addition
2785 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2786 (ins GR16:$src1, GR16:$src2),
2787 "add{w}\t{$src2, $dst|$dst, $src2}",
2788 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2789 GR16:$src2))]>, OpSize;
2790 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2791 (ins GR32:$src1, GR32:$src2),
2792 "add{l}\t{$src2, $dst|$dst, $src2}",
2793 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2795 } // end isConvertibleToThreeAddress
2796 } // end isCommutable
2798 // These are alternate spellings for use by the disassembler, we mark them as
2799 // code gen only to ensure they aren't matched by the assembler.
2800 let isCodeGenOnly = 1 in {
2801 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2802 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2803 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2804 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2805 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2806 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2809 // Register-Memory Addition
2810 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2811 (ins GR8 :$src1, i8mem :$src2),
2812 "add{b}\t{$src2, $dst|$dst, $src2}",
2813 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2814 (load addr:$src2)))]>;
2815 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2816 (ins GR16:$src1, i16mem:$src2),
2817 "add{w}\t{$src2, $dst|$dst, $src2}",
2818 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2819 (load addr:$src2)))]>, OpSize;
2820 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2821 (ins GR32:$src1, i32mem:$src2),
2822 "add{l}\t{$src2, $dst|$dst, $src2}",
2823 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2824 (load addr:$src2)))]>;
2826 // Register-Integer Addition
2827 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2828 "add{b}\t{$src2, $dst|$dst, $src2}",
2829 [(set GR8:$dst, EFLAGS,
2830 (X86add_flag GR8:$src1, imm:$src2))]>;
2832 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2833 // Register-Integer Addition
2834 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2835 (ins GR16:$src1, i16imm:$src2),
2836 "add{w}\t{$src2, $dst|$dst, $src2}",
2837 [(set GR16:$dst, EFLAGS,
2838 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2839 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2840 (ins GR32:$src1, i32imm:$src2),
2841 "add{l}\t{$src2, $dst|$dst, $src2}",
2842 [(set GR32:$dst, EFLAGS,
2843 (X86add_flag GR32:$src1, imm:$src2))]>;
2844 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2845 (ins GR16:$src1, i16i8imm:$src2),
2846 "add{w}\t{$src2, $dst|$dst, $src2}",
2847 [(set GR16:$dst, EFLAGS,
2848 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2849 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2850 (ins GR32:$src1, i32i8imm:$src2),
2851 "add{l}\t{$src2, $dst|$dst, $src2}",
2852 [(set GR32:$dst, EFLAGS,
2853 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2856 let Constraints = "" in {
2857 // Memory-Register Addition
2858 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2859 "add{b}\t{$src2, $dst|$dst, $src2}",
2860 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2861 (implicit EFLAGS)]>;
2862 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2863 "add{w}\t{$src2, $dst|$dst, $src2}",
2864 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2865 (implicit EFLAGS)]>, OpSize;
2866 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2867 "add{l}\t{$src2, $dst|$dst, $src2}",
2868 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2869 (implicit EFLAGS)]>;
2870 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2871 "add{b}\t{$src2, $dst|$dst, $src2}",
2872 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2873 (implicit EFLAGS)]>;
2874 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2875 "add{w}\t{$src2, $dst|$dst, $src2}",
2876 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2877 (implicit EFLAGS)]>, OpSize;
2878 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2879 "add{l}\t{$src2, $dst|$dst, $src2}",
2880 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2881 (implicit EFLAGS)]>;
2882 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2883 "add{w}\t{$src2, $dst|$dst, $src2}",
2884 [(store (add (load addr:$dst), i16immSExt8:$src2),
2886 (implicit EFLAGS)]>, OpSize;
2887 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2888 "add{l}\t{$src2, $dst|$dst, $src2}",
2889 [(store (add (load addr:$dst), i32immSExt8:$src2),
2891 (implicit EFLAGS)]>;
2894 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2895 "add{b}\t{$src, %al|%al, $src}", []>;
2896 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2897 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2898 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2899 "add{l}\t{$src, %eax|%eax, $src}", []>;
2900 } // Constraints = ""
2902 let Uses = [EFLAGS] in {
2903 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2904 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2905 "adc{b}\t{$src2, $dst|$dst, $src2}",
2906 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2907 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2908 (ins GR16:$src1, GR16:$src2),
2909 "adc{w}\t{$src2, $dst|$dst, $src2}",
2910 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2911 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2912 (ins GR32:$src1, GR32:$src2),
2913 "adc{l}\t{$src2, $dst|$dst, $src2}",
2914 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2917 let isCodeGenOnly = 1 in {
2918 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2919 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2920 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2921 (ins GR16:$src1, GR16:$src2),
2922 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2923 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2924 (ins GR32:$src1, GR32:$src2),
2925 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2928 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2929 (ins GR8:$src1, i8mem:$src2),
2930 "adc{b}\t{$src2, $dst|$dst, $src2}",
2931 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2932 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2933 (ins GR16:$src1, i16mem:$src2),
2934 "adc{w}\t{$src2, $dst|$dst, $src2}",
2935 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2937 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2938 (ins GR32:$src1, i32mem:$src2),
2939 "adc{l}\t{$src2, $dst|$dst, $src2}",
2940 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2941 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2942 "adc{b}\t{$src2, $dst|$dst, $src2}",
2943 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2944 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2945 (ins GR16:$src1, i16imm:$src2),
2946 "adc{w}\t{$src2, $dst|$dst, $src2}",
2947 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2948 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2949 (ins GR16:$src1, i16i8imm:$src2),
2950 "adc{w}\t{$src2, $dst|$dst, $src2}",
2951 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2953 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2954 (ins GR32:$src1, i32imm:$src2),
2955 "adc{l}\t{$src2, $dst|$dst, $src2}",
2956 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2957 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2958 (ins GR32:$src1, i32i8imm:$src2),
2959 "adc{l}\t{$src2, $dst|$dst, $src2}",
2960 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2962 let Constraints = "" in {
2963 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2964 "adc{b}\t{$src2, $dst|$dst, $src2}",
2965 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2966 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2967 "adc{w}\t{$src2, $dst|$dst, $src2}",
2968 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2970 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2971 "adc{l}\t{$src2, $dst|$dst, $src2}",
2972 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2973 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2974 "adc{b}\t{$src2, $dst|$dst, $src2}",
2975 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2976 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2977 "adc{w}\t{$src2, $dst|$dst, $src2}",
2978 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2980 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2981 "adc{w}\t{$src2, $dst|$dst, $src2}",
2982 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2984 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2985 "adc{l}\t{$src2, $dst|$dst, $src2}",
2986 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2987 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2988 "adc{l}\t{$src2, $dst|$dst, $src2}",
2989 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2991 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2992 "adc{b}\t{$src, %al|%al, $src}", []>;
2993 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2994 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2995 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2996 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2997 } // Constraints = ""
2998 } // Uses = [EFLAGS]
3000 // Register-Register Subtraction
3001 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3002 "sub{b}\t{$src2, $dst|$dst, $src2}",
3003 [(set GR8:$dst, EFLAGS,
3004 (X86sub_flag GR8:$src1, GR8:$src2))]>;
3005 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3006 "sub{w}\t{$src2, $dst|$dst, $src2}",
3007 [(set GR16:$dst, EFLAGS,
3008 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
3009 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3010 "sub{l}\t{$src2, $dst|$dst, $src2}",
3011 [(set GR32:$dst, EFLAGS,
3012 (X86sub_flag GR32:$src1, GR32:$src2))]>;
3014 let isCodeGenOnly = 1 in {
3015 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3016 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
3017 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
3018 (ins GR16:$src1, GR16:$src2),
3019 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3020 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
3021 (ins GR32:$src1, GR32:$src2),
3022 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
3025 // Register-Memory Subtraction
3026 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
3027 (ins GR8 :$src1, i8mem :$src2),
3028 "sub{b}\t{$src2, $dst|$dst, $src2}",
3029 [(set GR8:$dst, EFLAGS,
3030 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
3031 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
3032 (ins GR16:$src1, i16mem:$src2),
3033 "sub{w}\t{$src2, $dst|$dst, $src2}",
3034 [(set GR16:$dst, EFLAGS,
3035 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
3036 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
3037 (ins GR32:$src1, i32mem:$src2),
3038 "sub{l}\t{$src2, $dst|$dst, $src2}",
3039 [(set GR32:$dst, EFLAGS,
3040 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
3042 // Register-Integer Subtraction
3043 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
3044 (ins GR8:$src1, i8imm:$src2),
3045 "sub{b}\t{$src2, $dst|$dst, $src2}",
3046 [(set GR8:$dst, EFLAGS,
3047 (X86sub_flag GR8:$src1, imm:$src2))]>;
3048 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
3049 (ins GR16:$src1, i16imm:$src2),
3050 "sub{w}\t{$src2, $dst|$dst, $src2}",
3051 [(set GR16:$dst, EFLAGS,
3052 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
3053 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
3054 (ins GR32:$src1, i32imm:$src2),
3055 "sub{l}\t{$src2, $dst|$dst, $src2}",
3056 [(set GR32:$dst, EFLAGS,
3057 (X86sub_flag GR32:$src1, imm:$src2))]>;
3058 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
3059 (ins GR16:$src1, i16i8imm:$src2),
3060 "sub{w}\t{$src2, $dst|$dst, $src2}",
3061 [(set GR16:$dst, EFLAGS,
3062 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
3063 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
3064 (ins GR32:$src1, i32i8imm:$src2),
3065 "sub{l}\t{$src2, $dst|$dst, $src2}",
3066 [(set GR32:$dst, EFLAGS,
3067 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
3069 let Constraints = "" in {
3070 // Memory-Register Subtraction
3071 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3072 "sub{b}\t{$src2, $dst|$dst, $src2}",
3073 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
3074 (implicit EFLAGS)]>;
3075 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3076 "sub{w}\t{$src2, $dst|$dst, $src2}",
3077 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
3078 (implicit EFLAGS)]>, OpSize;
3079 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3080 "sub{l}\t{$src2, $dst|$dst, $src2}",
3081 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
3082 (implicit EFLAGS)]>;
3084 // Memory-Integer Subtraction
3085 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3086 "sub{b}\t{$src2, $dst|$dst, $src2}",
3087 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
3088 (implicit EFLAGS)]>;
3089 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3090 "sub{w}\t{$src2, $dst|$dst, $src2}",
3091 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
3092 (implicit EFLAGS)]>, OpSize;
3093 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3094 "sub{l}\t{$src2, $dst|$dst, $src2}",
3095 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3096 (implicit EFLAGS)]>;
3097 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3098 "sub{w}\t{$src2, $dst|$dst, $src2}",
3099 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3101 (implicit EFLAGS)]>, OpSize;
3102 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3103 "sub{l}\t{$src2, $dst|$dst, $src2}",
3104 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3106 (implicit EFLAGS)]>;
3108 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3109 "sub{b}\t{$src, %al|%al, $src}", []>;
3110 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3111 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3112 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3113 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3114 } // Constraints = ""
3116 let Uses = [EFLAGS] in {
3117 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3118 (ins GR8:$src1, GR8:$src2),
3119 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3120 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3121 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3122 (ins GR16:$src1, GR16:$src2),
3123 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3124 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3125 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3126 (ins GR32:$src1, GR32:$src2),
3127 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3128 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3130 let Constraints = "" in {
3131 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3132 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3133 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3134 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3135 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3136 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3138 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3139 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3140 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3141 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3142 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3143 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3144 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3145 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3146 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3148 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3149 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3150 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3152 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3153 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3154 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3155 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3156 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3157 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3159 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3160 "sbb{b}\t{$src, %al|%al, $src}", []>;
3161 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3162 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3163 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3164 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3165 } // Constraints = ""
3167 let isCodeGenOnly = 1 in {
3168 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3169 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3170 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3171 (ins GR16:$src1, GR16:$src2),
3172 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3173 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3174 (ins GR32:$src1, GR32:$src2),
3175 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3178 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3179 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3180 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3181 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3182 (ins GR16:$src1, i16mem:$src2),
3183 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3184 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3186 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3187 (ins GR32:$src1, i32mem:$src2),
3188 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3189 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3190 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3191 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3192 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3193 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3194 (ins GR16:$src1, i16imm:$src2),
3195 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3196 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3197 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3198 (ins GR16:$src1, i16i8imm:$src2),
3199 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3200 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3202 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3203 (ins GR32:$src1, i32imm:$src2),
3204 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3205 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3206 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3207 (ins GR32:$src1, i32i8imm:$src2),
3208 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3209 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3210 } // Uses = [EFLAGS]
3211 } // Defs = [EFLAGS]
3213 let Defs = [EFLAGS] in {
3214 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3215 // Register-Register Signed Integer Multiply
3216 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3217 "imul{w}\t{$src2, $dst|$dst, $src2}",
3218 [(set GR16:$dst, EFLAGS,
3219 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3220 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3221 "imul{l}\t{$src2, $dst|$dst, $src2}",
3222 [(set GR32:$dst, EFLAGS,
3223 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3226 // Register-Memory Signed Integer Multiply
3227 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3228 (ins GR16:$src1, i16mem:$src2),
3229 "imul{w}\t{$src2, $dst|$dst, $src2}",
3230 [(set GR16:$dst, EFLAGS,
3231 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3233 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3234 (ins GR32:$src1, i32mem:$src2),
3235 "imul{l}\t{$src2, $dst|$dst, $src2}",
3236 [(set GR32:$dst, EFLAGS,
3237 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3238 } // Defs = [EFLAGS]
3239 } // end Two Address instructions
3241 // Suprisingly enough, these are not two address instructions!
3242 let Defs = [EFLAGS] in {
3243 // Register-Integer Signed Integer Multiply
3244 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3245 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3246 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3247 [(set GR16:$dst, EFLAGS,
3248 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3249 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3250 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3251 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3252 [(set GR32:$dst, EFLAGS,
3253 (X86smul_flag GR32:$src1, imm:$src2))]>;
3254 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3255 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3256 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3257 [(set GR16:$dst, EFLAGS,
3258 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3260 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3261 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3262 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3263 [(set GR32:$dst, EFLAGS,
3264 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3266 // Memory-Integer Signed Integer Multiply
3267 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3268 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3269 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3270 [(set GR16:$dst, EFLAGS,
3271 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3273 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3274 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3275 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3276 [(set GR32:$dst, EFLAGS,
3277 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3278 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3279 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3280 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3281 [(set GR16:$dst, EFLAGS,
3282 (X86smul_flag (load addr:$src1),
3283 i16immSExt8:$src2))]>, OpSize;
3284 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3285 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3286 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3287 [(set GR32:$dst, EFLAGS,
3288 (X86smul_flag (load addr:$src1),
3289 i32immSExt8:$src2))]>;
3290 } // Defs = [EFLAGS]
3292 //===----------------------------------------------------------------------===//
3293 // Test instructions are just like AND, except they don't generate a result.
3295 let Defs = [EFLAGS] in {
3296 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3297 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3298 "test{b}\t{$src2, $src1|$src1, $src2}",
3299 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3300 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3301 "test{w}\t{$src2, $src1|$src1, $src2}",
3302 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3305 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3306 "test{l}\t{$src2, $src1|$src1, $src2}",
3307 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3311 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3312 "test{b}\t{$src, %al|%al, $src}", []>;
3313 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3314 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3315 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3316 "test{l}\t{$src, %eax|%eax, $src}", []>;
3318 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3319 "test{b}\t{$src2, $src1|$src1, $src2}",
3320 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3322 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3323 "test{w}\t{$src2, $src1|$src1, $src2}",
3324 [(set EFLAGS, (X86cmp (and GR16:$src1,
3325 (loadi16 addr:$src2)), 0))]>, OpSize;
3326 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3327 "test{l}\t{$src2, $src1|$src1, $src2}",
3328 [(set EFLAGS, (X86cmp (and GR32:$src1,
3329 (loadi32 addr:$src2)), 0))]>;
3331 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3332 (outs), (ins GR8:$src1, i8imm:$src2),
3333 "test{b}\t{$src2, $src1|$src1, $src2}",
3334 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3335 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3336 (outs), (ins GR16:$src1, i16imm:$src2),
3337 "test{w}\t{$src2, $src1|$src1, $src2}",
3338 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3340 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3341 (outs), (ins GR32:$src1, i32imm:$src2),
3342 "test{l}\t{$src2, $src1|$src1, $src2}",
3343 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3345 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3346 (outs), (ins i8mem:$src1, i8imm:$src2),
3347 "test{b}\t{$src2, $src1|$src1, $src2}",
3348 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3350 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3351 (outs), (ins i16mem:$src1, i16imm:$src2),
3352 "test{w}\t{$src2, $src1|$src1, $src2}",
3353 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3355 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3356 (outs), (ins i32mem:$src1, i32imm:$src2),
3357 "test{l}\t{$src2, $src1|$src1, $src2}",
3358 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3360 } // Defs = [EFLAGS]
3363 // Condition code ops, incl. set if equal/not equal/...
3364 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3365 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3366 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3367 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3369 let Uses = [EFLAGS] in {
3370 // Use sbb to materialize carry bit.
3371 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3372 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3373 // However, Pat<> can't replicate the destination reg into the inputs of the
3375 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3377 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3378 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3379 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3380 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3382 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3383 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3386 def SETEr : I<0x94, MRM0r,
3387 (outs GR8 :$dst), (ins),
3389 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3391 def SETEm : I<0x94, MRM0m,
3392 (outs), (ins i8mem:$dst),
3394 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3397 def SETNEr : I<0x95, MRM0r,
3398 (outs GR8 :$dst), (ins),
3400 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3402 def SETNEm : I<0x95, MRM0m,
3403 (outs), (ins i8mem:$dst),
3405 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3408 def SETLr : I<0x9C, MRM0r,
3409 (outs GR8 :$dst), (ins),
3411 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3412 TB; // GR8 = < signed
3413 def SETLm : I<0x9C, MRM0m,
3414 (outs), (ins i8mem:$dst),
3416 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3417 TB; // [mem8] = < signed
3419 def SETGEr : I<0x9D, MRM0r,
3420 (outs GR8 :$dst), (ins),
3422 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3423 TB; // GR8 = >= signed
3424 def SETGEm : I<0x9D, MRM0m,
3425 (outs), (ins i8mem:$dst),
3427 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3428 TB; // [mem8] = >= signed
3430 def SETLEr : I<0x9E, MRM0r,
3431 (outs GR8 :$dst), (ins),
3433 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3434 TB; // GR8 = <= signed
3435 def SETLEm : I<0x9E, MRM0m,
3436 (outs), (ins i8mem:$dst),
3438 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3439 TB; // [mem8] = <= signed
3441 def SETGr : I<0x9F, MRM0r,
3442 (outs GR8 :$dst), (ins),
3444 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3445 TB; // GR8 = > signed
3446 def SETGm : I<0x9F, MRM0m,
3447 (outs), (ins i8mem:$dst),
3449 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3450 TB; // [mem8] = > signed
3452 def SETBr : I<0x92, MRM0r,
3453 (outs GR8 :$dst), (ins),
3455 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3456 TB; // GR8 = < unsign
3457 def SETBm : I<0x92, MRM0m,
3458 (outs), (ins i8mem:$dst),
3460 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3461 TB; // [mem8] = < unsign
3463 def SETAEr : I<0x93, MRM0r,
3464 (outs GR8 :$dst), (ins),
3466 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3467 TB; // GR8 = >= unsign
3468 def SETAEm : I<0x93, MRM0m,
3469 (outs), (ins i8mem:$dst),
3471 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3472 TB; // [mem8] = >= unsign
3474 def SETBEr : I<0x96, MRM0r,
3475 (outs GR8 :$dst), (ins),
3477 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3478 TB; // GR8 = <= unsign
3479 def SETBEm : I<0x96, MRM0m,
3480 (outs), (ins i8mem:$dst),
3482 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3483 TB; // [mem8] = <= unsign
3485 def SETAr : I<0x97, MRM0r,
3486 (outs GR8 :$dst), (ins),
3488 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3489 TB; // GR8 = > signed
3490 def SETAm : I<0x97, MRM0m,
3491 (outs), (ins i8mem:$dst),
3493 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3494 TB; // [mem8] = > signed
3496 def SETSr : I<0x98, MRM0r,
3497 (outs GR8 :$dst), (ins),
3499 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3500 TB; // GR8 = <sign bit>
3501 def SETSm : I<0x98, MRM0m,
3502 (outs), (ins i8mem:$dst),
3504 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3505 TB; // [mem8] = <sign bit>
3506 def SETNSr : I<0x99, MRM0r,
3507 (outs GR8 :$dst), (ins),
3509 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3510 TB; // GR8 = !<sign bit>
3511 def SETNSm : I<0x99, MRM0m,
3512 (outs), (ins i8mem:$dst),
3514 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3515 TB; // [mem8] = !<sign bit>
3517 def SETPr : I<0x9A, MRM0r,
3518 (outs GR8 :$dst), (ins),
3520 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3522 def SETPm : I<0x9A, MRM0m,
3523 (outs), (ins i8mem:$dst),
3525 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3526 TB; // [mem8] = parity
3527 def SETNPr : I<0x9B, MRM0r,
3528 (outs GR8 :$dst), (ins),
3530 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3531 TB; // GR8 = not parity
3532 def SETNPm : I<0x9B, MRM0m,
3533 (outs), (ins i8mem:$dst),
3535 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3536 TB; // [mem8] = not parity
3538 def SETOr : I<0x90, MRM0r,
3539 (outs GR8 :$dst), (ins),
3541 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3542 TB; // GR8 = overflow
3543 def SETOm : I<0x90, MRM0m,
3544 (outs), (ins i8mem:$dst),
3546 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3547 TB; // [mem8] = overflow
3548 def SETNOr : I<0x91, MRM0r,
3549 (outs GR8 :$dst), (ins),
3551 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3552 TB; // GR8 = not overflow
3553 def SETNOm : I<0x91, MRM0m,
3554 (outs), (ins i8mem:$dst),
3556 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3557 TB; // [mem8] = not overflow
3558 } // Uses = [EFLAGS]
3561 // Integer comparisons
3562 let Defs = [EFLAGS] in {
3563 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3564 "cmp{b}\t{$src, %al|%al, $src}", []>;
3565 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3566 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3567 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3568 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3570 def CMP8rr : I<0x38, MRMDestReg,
3571 (outs), (ins GR8 :$src1, GR8 :$src2),
3572 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3573 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3574 def CMP16rr : I<0x39, MRMDestReg,
3575 (outs), (ins GR16:$src1, GR16:$src2),
3576 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3577 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3578 def CMP32rr : I<0x39, MRMDestReg,
3579 (outs), (ins GR32:$src1, GR32:$src2),
3580 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3581 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3582 def CMP8mr : I<0x38, MRMDestMem,
3583 (outs), (ins i8mem :$src1, GR8 :$src2),
3584 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3585 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3586 def CMP16mr : I<0x39, MRMDestMem,
3587 (outs), (ins i16mem:$src1, GR16:$src2),
3588 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3589 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3591 def CMP32mr : I<0x39, MRMDestMem,
3592 (outs), (ins i32mem:$src1, GR32:$src2),
3593 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3594 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3595 def CMP8rm : I<0x3A, MRMSrcMem,
3596 (outs), (ins GR8 :$src1, i8mem :$src2),
3597 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3598 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3599 def CMP16rm : I<0x3B, MRMSrcMem,
3600 (outs), (ins GR16:$src1, i16mem:$src2),
3601 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3602 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3604 def CMP32rm : I<0x3B, MRMSrcMem,
3605 (outs), (ins GR32:$src1, i32mem:$src2),
3606 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3607 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3609 // These are alternate spellings for use by the disassembler, we mark them as
3610 // code gen only to ensure they aren't matched by the assembler.
3611 let isCodeGenOnly = 1 in {
3612 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3613 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3614 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3615 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3616 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3617 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3620 def CMP8ri : Ii8<0x80, MRM7r,
3621 (outs), (ins GR8:$src1, i8imm:$src2),
3622 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3623 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3624 def CMP16ri : Ii16<0x81, MRM7r,
3625 (outs), (ins GR16:$src1, i16imm:$src2),
3626 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3627 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3628 def CMP32ri : Ii32<0x81, MRM7r,
3629 (outs), (ins GR32:$src1, i32imm:$src2),
3630 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3631 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3632 def CMP8mi : Ii8 <0x80, MRM7m,
3633 (outs), (ins i8mem :$src1, i8imm :$src2),
3634 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3635 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3636 def CMP16mi : Ii16<0x81, MRM7m,
3637 (outs), (ins i16mem:$src1, i16imm:$src2),
3638 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3639 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3641 def CMP32mi : Ii32<0x81, MRM7m,
3642 (outs), (ins i32mem:$src1, i32imm:$src2),
3643 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3644 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3645 def CMP16ri8 : Ii8<0x83, MRM7r,
3646 (outs), (ins GR16:$src1, i16i8imm:$src2),
3647 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3648 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3650 def CMP16mi8 : Ii8<0x83, MRM7m,
3651 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3652 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3653 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3654 i16immSExt8:$src2))]>, OpSize;
3655 def CMP32mi8 : Ii8<0x83, MRM7m,
3656 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3657 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3658 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3659 i32immSExt8:$src2))]>;
3660 def CMP32ri8 : Ii8<0x83, MRM7r,
3661 (outs), (ins GR32:$src1, i32i8imm:$src2),
3662 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3663 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3664 } // Defs = [EFLAGS]
3667 // TODO: BTC, BTR, and BTS
3668 let Defs = [EFLAGS] in {
3669 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3670 "bt{w}\t{$src2, $src1|$src1, $src2}",
3671 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3672 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3673 "bt{l}\t{$src2, $src1|$src1, $src2}",
3674 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3676 // Unlike with the register+register form, the memory+register form of the
3677 // bt instruction does not ignore the high bits of the index. From ISel's
3678 // perspective, this is pretty bizarre. Make these instructions disassembly
3681 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3682 "bt{w}\t{$src2, $src1|$src1, $src2}",
3683 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3684 // (implicit EFLAGS)]
3686 >, OpSize, TB, Requires<[FastBTMem]>;
3687 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3688 "bt{l}\t{$src2, $src1|$src1, $src2}",
3689 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3690 // (implicit EFLAGS)]
3692 >, TB, Requires<[FastBTMem]>;
3694 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3695 "bt{w}\t{$src2, $src1|$src1, $src2}",
3696 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3698 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3699 "bt{l}\t{$src2, $src1|$src1, $src2}",
3700 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3701 // Note that these instructions don't need FastBTMem because that
3702 // only applies when the other operand is in a register. When it's
3703 // an immediate, bt is still fast.
3704 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3705 "bt{w}\t{$src2, $src1|$src1, $src2}",
3706 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3708 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3709 "bt{l}\t{$src2, $src1|$src1, $src2}",
3710 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3713 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3714 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3715 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3716 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3717 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3718 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3719 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3720 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3721 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3722 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3723 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3724 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3725 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3726 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3727 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3728 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3730 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3731 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3732 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3733 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3734 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3735 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3736 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3737 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3738 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3739 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3740 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3741 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3742 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3743 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3744 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3745 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3747 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3748 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3749 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3750 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3751 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3752 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3753 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3754 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3755 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3756 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3757 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3758 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3759 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3760 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3761 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3762 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3763 } // Defs = [EFLAGS]
3765 // Sign/Zero extenders
3766 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3767 // of the register here. This has a smaller encoding and avoids a
3768 // partial-register update. Actual movsbw included for the disassembler.
3769 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3770 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3771 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3772 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3773 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3774 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3775 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3776 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3777 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3778 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3779 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3780 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3781 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3782 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3783 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3784 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3785 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3786 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3787 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3788 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3790 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3791 // of the register here. This has a smaller encoding and avoids a
3792 // partial-register update. Actual movzbw included for the disassembler.
3793 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3794 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3795 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3796 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3797 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3798 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3799 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3800 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3801 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3802 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3803 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3804 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3805 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3806 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3807 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3808 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3809 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3810 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3811 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3812 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3814 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3815 // except that they use GR32_NOREX for the output operand register class
3816 // instead of GR32. This allows them to operate on h registers on x86-64.
3817 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3818 (outs GR32_NOREX:$dst), (ins GR8:$src),
3819 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3822 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3823 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3824 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3827 let neverHasSideEffects = 1 in {
3828 let Defs = [AX], Uses = [AL] in
3829 def CBW : I<0x98, RawFrm, (outs), (ins),
3830 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3831 let Defs = [EAX], Uses = [AX] in
3832 def CWDE : I<0x98, RawFrm, (outs), (ins),
3833 "{cwtl|cwde}", []>; // EAX = signext(AX)
3835 let Defs = [AX,DX], Uses = [AX] in
3836 def CWD : I<0x99, RawFrm, (outs), (ins),
3837 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3838 let Defs = [EAX,EDX], Uses = [EAX] in
3839 def CDQ : I<0x99, RawFrm, (outs), (ins),
3840 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3843 //===----------------------------------------------------------------------===//
3844 // Alias Instructions
3845 //===----------------------------------------------------------------------===//
3847 // Alias instructions that map movr0 to xor.
3848 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3849 // FIXME: Set encoding to pseudo.
3850 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3851 isCodeGenOnly = 1 in {
3852 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3853 [(set GR8:$dst, 0)]>;
3855 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3856 // encoding and avoids a partial-register update sometimes, but doing so
3857 // at isel time interferes with rematerialization in the current register
3858 // allocator. For now, this is rewritten when the instruction is lowered
3860 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3862 [(set GR16:$dst, 0)]>, OpSize;
3864 // FIXME: Set encoding to pseudo.
3865 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3866 [(set GR32:$dst, 0)]>;
3869 //===----------------------------------------------------------------------===//
3870 // Thread Local Storage Instructions
3874 // All calls clobber the non-callee saved registers. ESP is marked as
3875 // a use to prevent stack-pointer assignments that appear immediately
3876 // before calls from potentially appearing dead.
3877 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3878 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3879 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3880 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3882 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3883 "leal\t$sym, %eax; "
3884 "call\t___tls_get_addr@PLT",
3885 [(X86tlsaddr tls32addr:$sym)]>,
3886 Requires<[In32BitMode]>;
3888 // Darwin TLS Support
3889 // For i386, the address of the thunk is passed on the stack, on return the
3890 // address of the variable is in %eax. %ecx is trashed during the function
3891 // call. All other registers are preserved.
3892 let Defs = [EAX, ECX],
3894 usesCustomInserter = 1 in
3895 def TLSCall_32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3897 [(X86TLSCall addr:$sym)]>,
3898 Requires<[In32BitMode]>;
3900 let AddedComplexity = 5, isCodeGenOnly = 1 in
3901 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3902 "movl\t%gs:$src, $dst",
3903 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3905 let AddedComplexity = 5, isCodeGenOnly = 1 in
3906 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3907 "movl\t%fs:$src, $dst",
3908 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3910 //===----------------------------------------------------------------------===//
3911 // EH Pseudo Instructions
3913 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3914 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3915 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3916 "ret\t#eh_return, addr: $addr",
3917 [(X86ehret GR32:$addr)]>;
3921 //===----------------------------------------------------------------------===//
3926 let hasSideEffects = 1 in {
3927 def Int_MemBarrier : I<0, Pseudo, (outs), (ins),
3929 [(X86MemBarrier)]>, Requires<[HasSSE2]>;
3931 // TODO: Get this to fold the constant into the instruction.
3933 def Int_MemBarrierNoSSE : I<0x0B, Pseudo, (outs), (ins GR32:$zero),
3935 "or{l}\t{$zero, (%esp)|(%esp), $zero}",
3936 [(X86MemBarrierNoSSE GR32:$zero)]>, LOCK;
3939 // Atomic swap. These are just normal xchg instructions. But since a memory
3940 // operand is referenced, the atomicity is ensured.
3941 let Constraints = "$val = $dst" in {
3942 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3943 (ins GR32:$val, i32mem:$ptr),
3944 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3945 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3946 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3947 (ins GR16:$val, i16mem:$ptr),
3948 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3949 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3951 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3952 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3953 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3955 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3956 "xchg{l}\t{$val, $src|$src, $val}", []>;
3957 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3958 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3959 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3960 "xchg{b}\t{$val, $src|$src, $val}", []>;
3963 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3964 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3965 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3966 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3968 // Atomic compare and swap.
3969 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3970 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3972 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3973 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3975 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3976 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3979 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3982 let Defs = [AX, EFLAGS], Uses = [AX] in {
3983 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3985 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3986 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3988 let Defs = [AL, EFLAGS], Uses = [AL] in {
3989 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3991 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3992 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3995 // Atomic exchange and add
3996 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3997 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3999 "xadd{l}\t{$val, $ptr|$ptr, $val}",
4000 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
4002 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
4004 "xadd{w}\t{$val, $ptr|$ptr, $val}",
4005 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
4007 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
4009 "xadd{b}\t{$val, $ptr|$ptr, $val}",
4010 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
4014 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4015 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
4016 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4017 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4018 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4019 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4021 let mayLoad = 1, mayStore = 1 in {
4022 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4023 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
4024 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4025 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4026 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4027 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4030 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4031 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4032 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4033 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4034 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4035 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4037 let mayLoad = 1, mayStore = 1 in {
4038 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4039 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4040 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4041 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4042 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4043 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4046 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
4047 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
4048 "cmpxchg8b\t$dst", []>, TB;
4050 // Optimized codegen when the non-memory output is not used.
4051 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
4052 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
4053 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
4055 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4056 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4058 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4059 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4061 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4062 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
4064 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4065 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
4067 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4068 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
4070 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4071 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4073 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4074 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4076 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4078 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
4080 "inc{b}\t$dst", []>, LOCK;
4081 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
4083 "inc{w}\t$dst", []>, OpSize, LOCK;
4084 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
4086 "inc{l}\t$dst", []>, LOCK;
4088 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
4090 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4091 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4093 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4094 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4096 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4097 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
4099 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4100 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
4102 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4103 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
4105 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4106 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4108 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4109 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4111 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4113 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
4115 "dec{b}\t$dst", []>, LOCK;
4116 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
4118 "dec{w}\t$dst", []>, OpSize, LOCK;
4119 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
4121 "dec{l}\t$dst", []>, LOCK;
4124 // Atomic exchange, and, or, xor
4125 let Constraints = "$val = $dst", Defs = [EFLAGS],
4126 usesCustomInserter = 1 in {
4127 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4128 "#ATOMAND32 PSEUDO!",
4129 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4130 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4131 "#ATOMOR32 PSEUDO!",
4132 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4133 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4134 "#ATOMXOR32 PSEUDO!",
4135 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4136 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4137 "#ATOMNAND32 PSEUDO!",
4138 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4139 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4140 "#ATOMMIN32 PSEUDO!",
4141 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4142 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4143 "#ATOMMAX32 PSEUDO!",
4144 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4145 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4146 "#ATOMUMIN32 PSEUDO!",
4147 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4148 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4149 "#ATOMUMAX32 PSEUDO!",
4150 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4152 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4153 "#ATOMAND16 PSEUDO!",
4154 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4155 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4156 "#ATOMOR16 PSEUDO!",
4157 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4158 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4159 "#ATOMXOR16 PSEUDO!",
4160 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4161 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4162 "#ATOMNAND16 PSEUDO!",
4163 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4164 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4165 "#ATOMMIN16 PSEUDO!",
4166 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4167 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4168 "#ATOMMAX16 PSEUDO!",
4169 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4170 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4171 "#ATOMUMIN16 PSEUDO!",
4172 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4173 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4174 "#ATOMUMAX16 PSEUDO!",
4175 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4177 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4178 "#ATOMAND8 PSEUDO!",
4179 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4180 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4182 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4183 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4184 "#ATOMXOR8 PSEUDO!",
4185 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4186 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4187 "#ATOMNAND8 PSEUDO!",
4188 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4191 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4192 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4193 Uses = [EAX, EBX, ECX, EDX],
4194 mayLoad = 1, mayStore = 1,
4195 usesCustomInserter = 1 in {
4196 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4197 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4198 "#ATOMAND6432 PSEUDO!", []>;
4199 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4200 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4201 "#ATOMOR6432 PSEUDO!", []>;
4202 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4203 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4204 "#ATOMXOR6432 PSEUDO!", []>;
4205 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4206 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4207 "#ATOMNAND6432 PSEUDO!", []>;
4208 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4209 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4210 "#ATOMADD6432 PSEUDO!", []>;
4211 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4212 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4213 "#ATOMSUB6432 PSEUDO!", []>;
4214 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4215 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4216 "#ATOMSWAP6432 PSEUDO!", []>;
4219 // Segmentation support instructions.
4221 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4222 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4223 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4224 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4226 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4227 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4228 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4229 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4230 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4232 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4233 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4234 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4235 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4236 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4237 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4238 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4239 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4241 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4243 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4244 "str{w}\t{$dst}", []>, TB;
4245 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4246 "str{w}\t{$dst}", []>, TB;
4247 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4248 "ltr{w}\t{$src}", []>, TB;
4249 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4250 "ltr{w}\t{$src}", []>, TB;
4252 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4253 "push{w}\t%fs", []>, OpSize, TB;
4254 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4255 "push{l}\t%fs", []>, TB;
4256 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4257 "push{w}\t%gs", []>, OpSize, TB;
4258 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4259 "push{l}\t%gs", []>, TB;
4261 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4262 "pop{w}\t%fs", []>, OpSize, TB;
4263 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4264 "pop{l}\t%fs", []>, TB;
4265 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4266 "pop{w}\t%gs", []>, OpSize, TB;
4267 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4268 "pop{l}\t%gs", []>, TB;
4270 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4271 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4272 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4273 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4274 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4275 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4276 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4277 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4278 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4279 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4280 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4281 "les{l}\t{$src, $dst|$dst, $src}", []>;
4282 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4283 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4284 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4285 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4286 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4287 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4288 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4289 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4291 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4292 "verr\t$seg", []>, TB;
4293 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4294 "verr\t$seg", []>, TB;
4295 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4296 "verw\t$seg", []>, TB;
4297 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4298 "verw\t$seg", []>, TB;
4300 // Descriptor-table support instructions
4302 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4303 "sgdt\t$dst", []>, TB;
4304 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4305 "sidt\t$dst", []>, TB;
4306 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4307 "sldt{w}\t$dst", []>, TB;
4308 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4309 "sldt{w}\t$dst", []>, TB;
4310 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4311 "lgdt\t$src", []>, TB;
4312 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4313 "lidt\t$src", []>, TB;
4314 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4315 "lldt{w}\t$src", []>, TB;
4316 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4317 "lldt{w}\t$src", []>, TB;
4319 // Lock instruction prefix
4320 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4322 // Repeat string operation instruction prefixes
4323 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4324 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4325 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4326 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4327 // Repeat while not equal (used with CMPS and SCAS)
4328 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4331 // Segment override instruction prefixes
4332 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4333 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4334 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4335 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4336 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4337 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4339 // String manipulation instructions
4341 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4342 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4343 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4345 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4346 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4347 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4349 // CPU flow control instructions
4351 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4352 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4354 // FPU control instructions
4356 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4358 // Flag instructions
4360 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4361 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4362 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4363 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4364 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4365 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4366 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4368 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4370 // Table lookup instructions
4372 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4374 // Specialized register support
4376 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4377 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4378 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4380 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4381 "smsw{w}\t$dst", []>, OpSize, TB;
4382 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4383 "smsw{l}\t$dst", []>, TB;
4384 // For memory operands, there is only a 16-bit form
4385 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4386 "smsw{w}\t$dst", []>, TB;
4388 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4389 "lmsw{w}\t$src", []>, TB;
4390 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4391 "lmsw{w}\t$src", []>, TB;
4393 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4395 // Cache instructions
4397 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4398 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4403 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4405 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4407 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4408 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4409 "vmclear\t$vmcs", []>, OpSize, TB;
4411 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4413 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4414 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4415 "vmptrld\t$vmcs", []>, TB;
4416 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4417 "vmptrst\t$vmcs", []>, TB;
4418 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4419 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4420 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4421 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4422 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4423 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4424 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4425 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4426 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4427 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4428 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4429 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4430 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4431 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4432 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4433 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4435 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4436 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4437 "vmxon\t{$vmxon}", []>, XS;
4439 //===----------------------------------------------------------------------===//
4440 // Non-Instruction Patterns
4441 //===----------------------------------------------------------------------===//
4443 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4444 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4445 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4446 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4447 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4448 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4449 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4451 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4452 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4453 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4454 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4455 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4456 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4457 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4458 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4459 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4460 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4462 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4463 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4464 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4465 (MOV32mi addr:$dst, texternalsym:$src)>;
4466 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4467 (MOV32mi addr:$dst, tblockaddress:$src)>;
4471 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4472 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4473 Requires<[In32BitMode]>;
4475 // FIXME: This is disabled for 32-bit PIC mode because the global base
4476 // register which is part of the address mode may be assigned a
4477 // callee-saved register.
4478 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4479 (TCRETURNmi addr:$dst, imm:$off)>,
4480 Requires<[In32BitMode, IsNotPIC]>;
4482 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4483 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4484 Requires<[In32BitMode]>;
4486 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4487 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4488 Requires<[In32BitMode]>;
4490 // Normal calls, with various flavors of addresses.
4491 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4492 (CALLpcrel32 tglobaladdr:$dst)>;
4493 def : Pat<(X86call (i32 texternalsym:$dst)),
4494 (CALLpcrel32 texternalsym:$dst)>;
4495 def : Pat<(X86call (i32 imm:$dst)),
4496 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4498 // X86 specific add which produces a flag.
4499 def : Pat<(addc GR32:$src1, GR32:$src2),
4500 (ADD32rr GR32:$src1, GR32:$src2)>;
4501 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4502 (ADD32rm GR32:$src1, addr:$src2)>;
4503 def : Pat<(addc GR32:$src1, imm:$src2),
4504 (ADD32ri GR32:$src1, imm:$src2)>;
4505 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4506 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4508 def : Pat<(subc GR32:$src1, GR32:$src2),
4509 (SUB32rr GR32:$src1, GR32:$src2)>;
4510 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4511 (SUB32rm GR32:$src1, addr:$src2)>;
4512 def : Pat<(subc GR32:$src1, imm:$src2),
4513 (SUB32ri GR32:$src1, imm:$src2)>;
4514 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4515 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4519 // TEST R,R is smaller than CMP R,0
4520 def : Pat<(X86cmp GR8:$src1, 0),
4521 (TEST8rr GR8:$src1, GR8:$src1)>;
4522 def : Pat<(X86cmp GR16:$src1, 0),
4523 (TEST16rr GR16:$src1, GR16:$src1)>;
4524 def : Pat<(X86cmp GR32:$src1, 0),
4525 (TEST32rr GR32:$src1, GR32:$src1)>;
4527 // Conditional moves with folded loads with operands swapped and conditions
4529 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4530 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4531 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4532 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4533 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4534 (CMOVB16rm GR16:$src2, addr:$src1)>;
4535 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4536 (CMOVB32rm GR32:$src2, addr:$src1)>;
4537 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4538 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4539 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4540 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4541 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4542 (CMOVE16rm GR16:$src2, addr:$src1)>;
4543 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4544 (CMOVE32rm GR32:$src2, addr:$src1)>;
4545 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4546 (CMOVA16rm GR16:$src2, addr:$src1)>;
4547 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4548 (CMOVA32rm GR32:$src2, addr:$src1)>;
4549 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4550 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4551 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4552 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4553 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4554 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4555 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4556 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4557 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4558 (CMOVL16rm GR16:$src2, addr:$src1)>;
4559 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4560 (CMOVL32rm GR32:$src2, addr:$src1)>;
4561 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4562 (CMOVG16rm GR16:$src2, addr:$src1)>;
4563 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4564 (CMOVG32rm GR32:$src2, addr:$src1)>;
4565 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4566 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4567 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4568 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4569 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4570 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4571 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4572 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4573 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4574 (CMOVP16rm GR16:$src2, addr:$src1)>;
4575 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4576 (CMOVP32rm GR32:$src2, addr:$src1)>;
4577 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4578 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4579 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4580 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4581 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4582 (CMOVS16rm GR16:$src2, addr:$src1)>;
4583 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4584 (CMOVS32rm GR32:$src2, addr:$src1)>;
4585 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4586 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4587 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4588 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4589 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4590 (CMOVO16rm GR16:$src2, addr:$src1)>;
4591 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4592 (CMOVO32rm GR32:$src2, addr:$src1)>;
4594 // zextload bool -> zextload byte
4595 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4596 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4597 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4599 // extload bool -> extload byte
4600 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4601 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4602 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4603 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4604 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4605 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4607 // anyext. Define these to do an explicit zero-extend to
4608 // avoid partial-register updates.
4609 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4610 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4612 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4613 def : Pat<(i32 (anyext GR16:$src)),
4614 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, sub_16bit)>;
4617 //===----------------------------------------------------------------------===//
4619 //===----------------------------------------------------------------------===//
4621 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4622 // +128 doesn't, so in this special case use a sub instead of an add.
4623 def : Pat<(add GR16:$src1, 128),
4624 (SUB16ri8 GR16:$src1, -128)>;
4625 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4626 (SUB16mi8 addr:$dst, -128)>;
4627 def : Pat<(add GR32:$src1, 128),
4628 (SUB32ri8 GR32:$src1, -128)>;
4629 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4630 (SUB32mi8 addr:$dst, -128)>;
4632 // r & (2^16-1) ==> movz
4633 def : Pat<(and GR32:$src1, 0xffff),
4634 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, sub_16bit))>;
4635 // r & (2^8-1) ==> movz
4636 def : Pat<(and GR32:$src1, 0xff),
4637 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4640 Requires<[In32BitMode]>;
4641 // r & (2^8-1) ==> movz
4642 def : Pat<(and GR16:$src1, 0xff),
4643 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4646 Requires<[In32BitMode]>;
4648 // sext_inreg patterns
4649 def : Pat<(sext_inreg GR32:$src, i16),
4650 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, sub_16bit))>;
4651 def : Pat<(sext_inreg GR32:$src, i8),
4652 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4655 Requires<[In32BitMode]>;
4656 def : Pat<(sext_inreg GR16:$src, i8),
4657 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4660 Requires<[In32BitMode]>;
4663 def : Pat<(i16 (trunc GR32:$src)),
4664 (EXTRACT_SUBREG GR32:$src, sub_16bit)>;
4665 def : Pat<(i8 (trunc GR32:$src)),
4666 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4668 Requires<[In32BitMode]>;
4669 def : Pat<(i8 (trunc GR16:$src)),
4670 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4672 Requires<[In32BitMode]>;
4674 // h-register tricks
4675 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4676 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4678 Requires<[In32BitMode]>;
4679 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4680 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4682 Requires<[In32BitMode]>;
4683 def : Pat<(srl GR16:$src, (i8 8)),
4686 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4689 Requires<[In32BitMode]>;
4690 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4691 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4694 Requires<[In32BitMode]>;
4695 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4696 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4699 Requires<[In32BitMode]>;
4700 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4701 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4704 Requires<[In32BitMode]>;
4705 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4706 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4709 Requires<[In32BitMode]>;
4711 // (shl x, 1) ==> (add x, x)
4712 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4713 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4714 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4716 // (shl x (and y, 31)) ==> (shl x, y)
4717 def : Pat<(shl GR8:$src1, (and CL, 31)),
4718 (SHL8rCL GR8:$src1)>;
4719 def : Pat<(shl GR16:$src1, (and CL, 31)),
4720 (SHL16rCL GR16:$src1)>;
4721 def : Pat<(shl GR32:$src1, (and CL, 31)),
4722 (SHL32rCL GR32:$src1)>;
4723 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4724 (SHL8mCL addr:$dst)>;
4725 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4726 (SHL16mCL addr:$dst)>;
4727 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4728 (SHL32mCL addr:$dst)>;
4730 def : Pat<(srl GR8:$src1, (and CL, 31)),
4731 (SHR8rCL GR8:$src1)>;
4732 def : Pat<(srl GR16:$src1, (and CL, 31)),
4733 (SHR16rCL GR16:$src1)>;
4734 def : Pat<(srl GR32:$src1, (and CL, 31)),
4735 (SHR32rCL GR32:$src1)>;
4736 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4737 (SHR8mCL addr:$dst)>;
4738 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4739 (SHR16mCL addr:$dst)>;
4740 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4741 (SHR32mCL addr:$dst)>;
4743 def : Pat<(sra GR8:$src1, (and CL, 31)),
4744 (SAR8rCL GR8:$src1)>;
4745 def : Pat<(sra GR16:$src1, (and CL, 31)),
4746 (SAR16rCL GR16:$src1)>;
4747 def : Pat<(sra GR32:$src1, (and CL, 31)),
4748 (SAR32rCL GR32:$src1)>;
4749 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4750 (SAR8mCL addr:$dst)>;
4751 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4752 (SAR16mCL addr:$dst)>;
4753 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4754 (SAR32mCL addr:$dst)>;
4756 // (anyext (setcc_carry)) -> (setcc_carry)
4757 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4759 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4761 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4764 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4765 let AddedComplexity = 5 in { // Try this before the selecting to OR
4766 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4767 (ADD16ri GR16:$src1, imm:$src2)>;
4768 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4769 (ADD32ri GR32:$src1, imm:$src2)>;
4770 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4771 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4772 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4773 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4774 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4775 (ADD16rr GR16:$src1, GR16:$src2)>;
4776 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4777 (ADD32rr GR32:$src1, GR32:$src2)>;
4778 } // AddedComplexity
4780 //===----------------------------------------------------------------------===//
4781 // EFLAGS-defining Patterns
4782 //===----------------------------------------------------------------------===//
4785 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4786 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4787 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4790 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4791 (ADD8rm GR8:$src1, addr:$src2)>;
4792 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4793 (ADD16rm GR16:$src1, addr:$src2)>;
4794 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4795 (ADD32rm GR32:$src1, addr:$src2)>;
4798 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4799 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4800 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4801 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4802 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4803 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4804 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4807 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4808 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4809 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4812 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4813 (SUB8rm GR8:$src1, addr:$src2)>;
4814 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4815 (SUB16rm GR16:$src1, addr:$src2)>;
4816 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4817 (SUB32rm GR32:$src1, addr:$src2)>;
4820 def : Pat<(sub GR8:$src1, imm:$src2),
4821 (SUB8ri GR8:$src1, imm:$src2)>;
4822 def : Pat<(sub GR16:$src1, imm:$src2),
4823 (SUB16ri GR16:$src1, imm:$src2)>;
4824 def : Pat<(sub GR32:$src1, imm:$src2),
4825 (SUB32ri GR32:$src1, imm:$src2)>;
4826 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4827 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4828 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4829 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4832 def : Pat<(mul GR16:$src1, GR16:$src2),
4833 (IMUL16rr GR16:$src1, GR16:$src2)>;
4834 def : Pat<(mul GR32:$src1, GR32:$src2),
4835 (IMUL32rr GR32:$src1, GR32:$src2)>;
4838 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4839 (IMUL16rm GR16:$src1, addr:$src2)>;
4840 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4841 (IMUL32rm GR32:$src1, addr:$src2)>;
4844 def : Pat<(mul GR16:$src1, imm:$src2),
4845 (IMUL16rri GR16:$src1, imm:$src2)>;
4846 def : Pat<(mul GR32:$src1, imm:$src2),
4847 (IMUL32rri GR32:$src1, imm:$src2)>;
4848 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4849 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4850 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4851 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4853 // reg = mul mem, imm
4854 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4855 (IMUL16rmi addr:$src1, imm:$src2)>;
4856 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4857 (IMUL32rmi addr:$src1, imm:$src2)>;
4858 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4859 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4860 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4861 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4863 // Optimize multiply by 2 with EFLAGS result.
4864 let AddedComplexity = 2 in {
4865 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4866 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4869 // Patterns for nodes that do not produce flags, for instructions that do.
4872 def : Pat<(add GR8:$src1 , 1), (INC8r GR8:$src1)>;
4873 def : Pat<(add GR16:$src1, 1), (INC16r GR16:$src1)>, Requires<[In32BitMode]>;
4874 def : Pat<(add GR32:$src1, 1), (INC32r GR32:$src1)>, Requires<[In32BitMode]>;
4877 def : Pat<(add GR8:$src1 , -1), (DEC8r GR8:$src1)>;
4878 def : Pat<(add GR16:$src1, -1), (DEC16r GR16:$src1)>, Requires<[In32BitMode]>;
4879 def : Pat<(add GR32:$src1, -1), (DEC32r GR32:$src1)>, Requires<[In32BitMode]>;
4882 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4883 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4884 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4887 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4888 (OR8rm GR8:$src1, addr:$src2)>;
4889 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4890 (OR16rm GR16:$src1, addr:$src2)>;
4891 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4892 (OR32rm GR32:$src1, addr:$src2)>;
4895 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4896 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4897 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4898 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4899 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4900 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4901 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4904 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4905 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4906 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4909 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4910 (XOR8rm GR8:$src1, addr:$src2)>;
4911 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4912 (XOR16rm GR16:$src1, addr:$src2)>;
4913 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4914 (XOR32rm GR32:$src1, addr:$src2)>;
4917 def : Pat<(xor GR8:$src1, imm:$src2),
4918 (XOR8ri GR8:$src1, imm:$src2)>;
4919 def : Pat<(xor GR16:$src1, imm:$src2),
4920 (XOR16ri GR16:$src1, imm:$src2)>;
4921 def : Pat<(xor GR32:$src1, imm:$src2),
4922 (XOR32ri GR32:$src1, imm:$src2)>;
4923 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4924 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4925 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4926 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4929 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4930 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4931 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4934 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4935 (AND8rm GR8:$src1, addr:$src2)>;
4936 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4937 (AND16rm GR16:$src1, addr:$src2)>;
4938 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4939 (AND32rm GR32:$src1, addr:$src2)>;
4942 def : Pat<(and GR8:$src1, imm:$src2),
4943 (AND8ri GR8:$src1, imm:$src2)>;
4944 def : Pat<(and GR16:$src1, imm:$src2),
4945 (AND16ri GR16:$src1, imm:$src2)>;
4946 def : Pat<(and GR32:$src1, imm:$src2),
4947 (AND32ri GR32:$src1, imm:$src2)>;
4948 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4949 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4950 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4951 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4953 //===----------------------------------------------------------------------===//
4954 // Floating Point Stack Support
4955 //===----------------------------------------------------------------------===//
4957 include "X86InstrFPStack.td"
4959 //===----------------------------------------------------------------------===//
4961 //===----------------------------------------------------------------------===//
4963 include "X86Instr64bit.td"
4965 //===----------------------------------------------------------------------===//
4966 // SIMD support (SSE, MMX and AVX)
4967 //===----------------------------------------------------------------------===//
4969 include "X86InstrFragmentsSIMD.td"
4971 //===----------------------------------------------------------------------===//
4972 // FMA - Fused Multiply-Add support (requires FMA)
4973 //===----------------------------------------------------------------------===//
4975 include "X86InstrFMA.td"
4977 //===----------------------------------------------------------------------===//
4978 // XMM Floating point support (requires SSE / SSE2)
4979 //===----------------------------------------------------------------------===//
4981 include "X86InstrSSE.td"
4983 //===----------------------------------------------------------------------===//
4984 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4985 //===----------------------------------------------------------------------===//
4987 include "X86InstrMMX.td"