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,
91 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
92 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
93 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
94 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
96 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
97 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
99 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
100 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
102 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
103 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
105 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
106 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
108 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
109 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
111 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
112 [SDNPHasChain, SDNPMayStore,
113 SDNPMayLoad, SDNPMemOperand]>;
114 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
115 [SDNPHasChain, SDNPMayStore,
116 SDNPMayLoad, SDNPMemOperand]>;
117 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
118 [SDNPHasChain, SDNPMayStore,
119 SDNPMayLoad, SDNPMemOperand]>;
120 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
121 [SDNPHasChain, SDNPMayStore,
122 SDNPMayLoad, SDNPMemOperand]>;
123 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
124 [SDNPHasChain, SDNPMayStore,
125 SDNPMayLoad, SDNPMemOperand]>;
126 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
127 [SDNPHasChain, SDNPMayStore,
128 SDNPMayLoad, SDNPMemOperand]>;
129 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
130 [SDNPHasChain, SDNPMayStore,
131 SDNPMayLoad, SDNPMemOperand]>;
132 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
133 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
135 def X86vastart_save_xmm_regs :
136 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
137 SDT_X86VASTART_SAVE_XMM_REGS,
138 [SDNPHasChain, SDNPVariadic]>;
140 def X86callseq_start :
141 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
142 [SDNPHasChain, SDNPOutFlag]>;
144 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
145 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
147 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
148 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
151 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
152 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
153 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
154 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
157 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
158 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
160 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
161 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
163 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
164 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
165 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
166 SDT_X86SegmentBaseAddress, []>;
168 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
171 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
172 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
174 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
176 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
177 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
179 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
182 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
183 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
184 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
186 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
188 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
191 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
193 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
194 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
196 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
199 //===----------------------------------------------------------------------===//
200 // X86 Operand Definitions.
203 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
204 // the index operand of an address, to conform to x86 encoding restrictions.
205 def ptr_rc_nosp : PointerLikeRegClass<1>;
207 // *mem - Operand definitions for the funky X86 addressing mode operands.
209 def X86MemAsmOperand : AsmOperandClass {
211 let SuperClasses = [];
213 def X86AbsMemAsmOperand : AsmOperandClass {
215 let SuperClasses = [X86MemAsmOperand];
217 class X86MemOperand<string printMethod> : Operand<iPTR> {
218 let PrintMethod = printMethod;
219 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
220 let ParserMatchClass = X86MemAsmOperand;
223 def opaque32mem : X86MemOperand<"printopaquemem">;
224 def opaque48mem : X86MemOperand<"printopaquemem">;
225 def opaque80mem : X86MemOperand<"printopaquemem">;
226 def opaque512mem : X86MemOperand<"printopaquemem">;
228 def i8mem : X86MemOperand<"printi8mem">;
229 def i16mem : X86MemOperand<"printi16mem">;
230 def i32mem : X86MemOperand<"printi32mem">;
231 def i64mem : X86MemOperand<"printi64mem">;
232 def i128mem : X86MemOperand<"printi128mem">;
233 def i256mem : X86MemOperand<"printi256mem">;
234 def f32mem : X86MemOperand<"printf32mem">;
235 def f64mem : X86MemOperand<"printf64mem">;
236 def f80mem : X86MemOperand<"printf80mem">;
237 def f128mem : X86MemOperand<"printf128mem">;
238 def f256mem : X86MemOperand<"printf256mem">;
240 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
241 // plain GR64, so that it doesn't potentially require a REX prefix.
242 def i8mem_NOREX : Operand<i64> {
243 let PrintMethod = "printi8mem";
244 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
245 let ParserMatchClass = X86MemAsmOperand;
248 // Special i32mem for addresses of load folding tail calls. These are not
249 // allowed to use callee-saved registers since they must be scheduled
250 // after callee-saved register are popped.
251 def i32mem_TC : Operand<i32> {
252 let PrintMethod = "printi32mem";
253 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
254 let ParserMatchClass = X86MemAsmOperand;
258 let ParserMatchClass = X86AbsMemAsmOperand,
259 PrintMethod = "print_pcrel_imm" in {
260 def i32imm_pcrel : Operand<i32>;
261 def i16imm_pcrel : Operand<i16>;
263 def offset8 : Operand<i64>;
264 def offset16 : Operand<i64>;
265 def offset32 : Operand<i64>;
266 def offset64 : Operand<i64>;
268 // Branch targets have OtherVT type and print as pc-relative values.
269 def brtarget : Operand<OtherVT>;
270 def brtarget8 : Operand<OtherVT>;
274 def SSECC : Operand<i8> {
275 let PrintMethod = "printSSECC";
278 class ImmSExtAsmOperandClass : AsmOperandClass {
279 let SuperClasses = [ImmAsmOperand];
280 let RenderMethod = "addImmOperands";
283 // Sign-extended immediate classes. We don't need to define the full lattice
284 // here because there is no instruction with an ambiguity between ImmSExti64i32
287 // The strange ranges come from the fact that the assembler always works with
288 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
289 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
292 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
293 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
294 let Name = "ImmSExti64i32";
297 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
298 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
299 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
300 let Name = "ImmSExti16i8";
301 let SuperClasses = [ImmSExti64i32AsmOperand];
304 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
305 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
306 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
307 let Name = "ImmSExti32i8";
311 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
312 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
313 let Name = "ImmSExti64i8";
314 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
315 ImmSExti64i32AsmOperand];
318 // A couple of more descriptive operand definitions.
319 // 16-bits but only 8 bits are significant.
320 def i16i8imm : Operand<i16> {
321 let ParserMatchClass = ImmSExti16i8AsmOperand;
323 // 32-bits but only 8 bits are significant.
324 def i32i8imm : Operand<i32> {
325 let ParserMatchClass = ImmSExti32i8AsmOperand;
328 //===----------------------------------------------------------------------===//
329 // X86 Complex Pattern Definitions.
332 // Define X86 specific addressing mode.
333 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
334 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
335 [add, sub, mul, X86mul_imm, shl, or, frameindex],
337 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
338 [tglobaltlsaddr], []>;
340 //===----------------------------------------------------------------------===//
341 // X86 Instruction Predicate Definitions.
342 def HasCMov : Predicate<"Subtarget->hasCMov()">;
343 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
344 def HasMMX : Predicate<"Subtarget->hasMMX()">;
345 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
346 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
347 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
348 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
349 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
350 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
351 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
352 def HasAVX : Predicate<"Subtarget->hasAVX()">;
353 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
354 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
355 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
356 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
357 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
358 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
359 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
360 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
361 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
362 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
363 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
364 "TM.getCodeModel() != CodeModel::Kernel">;
365 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
366 "TM.getCodeModel() == CodeModel::Kernel">;
367 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
368 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
369 def OptForSize : Predicate<"OptForSize">;
370 def OptForSpeed : Predicate<"!OptForSize">;
371 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
372 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
373 def HasAES : Predicate<"Subtarget->hasAES()">;
375 //===----------------------------------------------------------------------===//
376 // X86 Instruction Format Definitions.
379 include "X86InstrFormats.td"
381 //===----------------------------------------------------------------------===//
382 // Pattern fragments...
385 // X86 specific condition code. These correspond to CondCode in
386 // X86InstrInfo.h. They must be kept in synch.
387 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
388 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
389 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
390 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
391 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
392 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
393 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
394 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
395 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
396 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
397 def X86_COND_NO : PatLeaf<(i8 10)>;
398 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
399 def X86_COND_NS : PatLeaf<(i8 12)>;
400 def X86_COND_O : PatLeaf<(i8 13)>;
401 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
402 def X86_COND_S : PatLeaf<(i8 15)>;
404 def immSext8 : PatLeaf<(imm), [{
405 return N->getSExtValue() == (int8_t)N->getSExtValue();
408 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
409 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
411 /// Load patterns: these constraint the match to the right address space.
412 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
413 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
414 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
415 if (PT->getAddressSpace() > 255)
420 def gsload : 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 return PT->getAddressSpace() == 256;
427 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
428 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
429 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
430 return PT->getAddressSpace() == 257;
435 // Helper fragments for loads.
436 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
437 // known to be 32-bit aligned or better. Ditto for i8 to i16.
438 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
439 LoadSDNode *LD = cast<LoadSDNode>(N);
440 if (const Value *Src = LD->getSrcValue())
441 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
442 if (PT->getAddressSpace() > 255)
444 ISD::LoadExtType ExtType = LD->getExtensionType();
445 if (ExtType == ISD::NON_EXTLOAD)
447 if (ExtType == ISD::EXTLOAD)
448 return LD->getAlignment() >= 2 && !LD->isVolatile();
452 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
453 LoadSDNode *LD = cast<LoadSDNode>(N);
454 if (const Value *Src = LD->getSrcValue())
455 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
456 if (PT->getAddressSpace() > 255)
458 ISD::LoadExtType ExtType = LD->getExtensionType();
459 if (ExtType == ISD::EXTLOAD)
460 return LD->getAlignment() >= 2 && !LD->isVolatile();
464 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
465 LoadSDNode *LD = cast<LoadSDNode>(N);
466 if (const Value *Src = LD->getSrcValue())
467 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
468 if (PT->getAddressSpace() > 255)
470 ISD::LoadExtType ExtType = LD->getExtensionType();
471 if (ExtType == ISD::NON_EXTLOAD)
473 if (ExtType == ISD::EXTLOAD)
474 return LD->getAlignment() >= 4 && !LD->isVolatile();
478 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
479 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
480 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
481 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
482 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
484 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
485 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
486 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
488 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
489 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
490 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
491 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
492 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
493 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
495 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
496 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
497 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
498 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
499 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
500 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
503 // An 'and' node with a single use.
504 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
505 return N->hasOneUse();
507 // An 'srl' node with a single use.
508 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
509 return N->hasOneUse();
511 // An 'trunc' node with a single use.
512 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
513 return N->hasOneUse();
516 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
517 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
518 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
519 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
521 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
522 APInt Mask = APInt::getAllOnesValue(BitWidth);
523 APInt KnownZero0, KnownOne0;
524 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
525 APInt KnownZero1, KnownOne1;
526 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
527 return (~KnownZero0 & ~KnownZero1) == 0;
530 //===----------------------------------------------------------------------===//
531 // Instruction list...
534 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
535 // a stack adjustment and the codegen must know that they may modify the stack
536 // pointer before prolog-epilog rewriting occurs.
537 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
538 // sub / add which can clobber EFLAGS.
539 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
540 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
542 [(X86callseq_start timm:$amt)]>,
543 Requires<[In32BitMode]>;
544 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
546 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
547 Requires<[In32BitMode]>;
550 // x86-64 va_start lowering magic.
551 let usesCustomInserter = 1 in {
552 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
555 i64imm:$regsavefi, i64imm:$offset,
557 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
558 [(X86vastart_save_xmm_regs GR8:$al,
562 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
563 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
564 // one go. Touching the stack at 4K increments is necessary to ensure that the
565 // guard pages used by the OS virtual memory manager are allocated in correct
567 // The main point of having separate instruction are extra unmodelled effects
568 // (compared to ordinary calls) like stack pointer change.
570 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
571 "# dynamic stack allocation",
576 let neverHasSideEffects = 1 in {
577 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
578 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
579 "nop{w}\t$zero", []>, TB, OpSize;
580 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
581 "nop{l}\t$zero", []>, TB;
585 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
586 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", []>;
587 // FIXME: need to make sure that "int $3" matches int3
588 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
589 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
590 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
592 // PIC base construction. This expands to code that looks like this:
595 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
596 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
599 //===----------------------------------------------------------------------===//
600 // Control Flow Instructions.
603 // Return instructions.
604 let isTerminator = 1, isReturn = 1, isBarrier = 1,
605 hasCtrlDep = 1, FPForm = SpecialFP in {
606 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
609 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
611 [(X86retflag timm:$amt)]>;
612 def LRET : I <0xCB, RawFrm, (outs), (ins),
614 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
618 // Unconditional branches.
619 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
620 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
621 "jmp\t$dst", [(br bb:$dst)]>;
622 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
626 // Conditional Branches.
627 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
628 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
629 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
630 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
631 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
635 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
636 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
637 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
638 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
639 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
640 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
641 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
642 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
643 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
644 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
645 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
646 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
647 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
648 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
649 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
650 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
652 // FIXME: What about the CX/RCX versions of this instruction?
653 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
654 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
659 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
660 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
661 [(brind GR32:$dst)]>, Requires<[In32BitMode]>;
662 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
663 [(brind (loadi32 addr:$dst))]>, Requires<[In32BitMode]>;
665 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
666 (ins i16imm:$seg, i16imm:$off),
667 "ljmp{w}\t$seg, $off", []>, OpSize;
668 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
669 (ins i16imm:$seg, i32imm:$off),
670 "ljmp{l}\t$seg, $off", []>;
672 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
673 "ljmp{w}\t{*}$dst", []>, OpSize;
674 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
675 "ljmp{l}\t{*}$dst", []>;
681 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
682 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
683 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
685 //===----------------------------------------------------------------------===//
686 // Call Instructions...
689 // All calls clobber the non-callee saved registers. ESP is marked as
690 // a use to prevent stack-pointer assignments that appear immediately
691 // before calls from potentially appearing dead. Uses for argument
692 // registers are added manually.
693 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
694 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
695 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
696 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
698 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
699 (outs), (ins i32imm_pcrel:$dst,variable_ops),
701 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
702 "call\t{*}$dst", [(X86call GR32:$dst)]>;
703 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
704 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
706 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
707 (ins i16imm:$seg, i16imm:$off),
708 "lcall{w}\t$seg, $off", []>, OpSize;
709 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
710 (ins i16imm:$seg, i32imm:$off),
711 "lcall{l}\t$seg, $off", []>;
713 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
714 "lcall{w}\t{*}$dst", []>, OpSize;
715 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
716 "lcall{l}\t{*}$dst", []>;
718 // callw for 16 bit code for the assembler.
719 let isAsmParserOnly = 1 in
720 def CALLpcrel16 : Ii16PCRel<0xE8, RawFrm,
721 (outs), (ins i16imm_pcrel:$dst, variable_ops),
722 "callw\t$dst", []>, OpSize;
725 // Constructing a stack frame.
727 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
728 "enter\t$len, $lvl", []>;
732 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1,
734 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
735 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
736 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
737 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
739 def TCRETURNdi : I<0, Pseudo, (outs),
740 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
741 "#TC_RETURN $dst $offset", []>;
742 def TCRETURNri : I<0, Pseudo, (outs),
743 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
744 "#TC_RETURN $dst $offset", []>;
746 def TCRETURNmi : I<0, Pseudo, (outs),
747 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
748 "#TC_RETURN $dst $offset", []>;
750 // FIXME: The should be pseudo instructions that are lowered when going to
752 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
753 (ins i32imm_pcrel:$dst, variable_ops),
754 "jmp\t$dst # TAILCALL",
756 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
757 "", []>; // FIXME: Remove encoding when JIT is dead.
759 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
760 "jmp{l}\t{*}$dst # TAILCALL", []>;
763 //===----------------------------------------------------------------------===//
764 // Miscellaneous Instructions...
766 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
767 def LEAVE : I<0xC9, RawFrm,
768 (outs), (ins), "leave", []>, Requires<[In32BitMode]>;
770 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
771 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
773 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
774 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
775 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
776 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
778 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
779 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
781 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
783 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
785 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
786 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
788 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
790 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
791 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
794 let mayStore = 1 in {
795 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
797 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
798 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
800 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
802 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
803 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
807 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
808 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
809 "push{l}\t$imm", []>;
810 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
811 "push{w}\t$imm", []>, OpSize;
812 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
813 "push{l}\t$imm", []>;
816 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
817 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
818 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
819 Requires<[In32BitMode]>;
821 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
822 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
823 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
824 Requires<[In32BitMode]>;
827 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
828 mayLoad=1, neverHasSideEffects=1 in {
829 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
830 Requires<[In32BitMode]>;
832 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
833 mayStore=1, neverHasSideEffects=1 in {
834 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
835 Requires<[In32BitMode]>;
838 let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32
839 def BSWAP32r : I<0xC8, AddRegFrm,
840 (outs GR32:$dst), (ins GR32:$src),
842 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
845 // Bit scan instructions.
846 let Defs = [EFLAGS] in {
847 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
848 "bsf{w}\t{$src, $dst|$dst, $src}",
849 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
850 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
851 "bsf{w}\t{$src, $dst|$dst, $src}",
852 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
854 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
855 "bsf{l}\t{$src, $dst|$dst, $src}",
856 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
857 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
858 "bsf{l}\t{$src, $dst|$dst, $src}",
859 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
861 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
862 "bsr{w}\t{$src, $dst|$dst, $src}",
863 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
864 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
865 "bsr{w}\t{$src, $dst|$dst, $src}",
866 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
868 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
869 "bsr{l}\t{$src, $dst|$dst, $src}",
870 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
871 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
872 "bsr{l}\t{$src, $dst|$dst, $src}",
873 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
876 let neverHasSideEffects = 1 in
877 def LEA16r : I<0x8D, MRMSrcMem,
878 (outs GR16:$dst), (ins i32mem:$src),
879 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
880 let isReMaterializable = 1 in
881 def LEA32r : I<0x8D, MRMSrcMem,
882 (outs GR32:$dst), (ins i32mem:$src),
883 "lea{l}\t{$src|$dst}, {$dst|$src}",
884 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
886 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
887 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
888 [(X86rep_movs i8)]>, REP;
889 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
890 [(X86rep_movs i16)]>, REP, OpSize;
891 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
892 [(X86rep_movs i32)]>, REP;
895 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
896 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
897 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
898 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
899 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
902 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
903 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
904 [(X86rep_stos i8)]>, REP;
905 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
906 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
907 [(X86rep_stos i16)]>, REP, OpSize;
908 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
909 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
910 [(X86rep_stos i32)]>, REP;
912 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
913 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
914 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
915 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
916 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
917 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
918 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
920 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
921 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
922 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
924 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
925 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
926 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
928 let Defs = [RAX, RDX] in
929 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
932 let Defs = [RAX, RCX, RDX] in
933 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
935 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
936 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
939 def SYSCALL : I<0x05, RawFrm,
940 (outs), (ins), "syscall", []>, TB;
941 def SYSRET : I<0x07, RawFrm,
942 (outs), (ins), "sysret", []>, TB;
943 def SYSENTER : I<0x34, RawFrm,
944 (outs), (ins), "sysenter", []>, TB;
945 def SYSEXIT : I<0x35, RawFrm,
946 (outs), (ins), "sysexit", []>, TB, Requires<[In32BitMode]>;
948 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
951 //===----------------------------------------------------------------------===//
952 // Input/Output Instructions...
954 let Defs = [AL], Uses = [DX] in
955 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
956 "in{b}\t{%dx, %al|%AL, %DX}", []>;
957 let Defs = [AX], Uses = [DX] in
958 def IN16rr : I<0xED, RawFrm, (outs), (ins),
959 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
960 let Defs = [EAX], Uses = [DX] in
961 def IN32rr : I<0xED, RawFrm, (outs), (ins),
962 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
965 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
966 "in{b}\t{$port, %al|%AL, $port}", []>;
968 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
969 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
971 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
972 "in{l}\t{$port, %eax|%EAX, $port}", []>;
974 let Uses = [DX, AL] in
975 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
976 "out{b}\t{%al, %dx|%DX, %AL}", []>;
977 let Uses = [DX, AX] in
978 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
979 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
980 let Uses = [DX, EAX] in
981 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
982 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
985 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
986 "out{b}\t{%al, $port|$port, %AL}", []>;
988 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
989 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
991 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
992 "out{l}\t{%eax, $port|$port, %EAX}", []>;
994 def IN8 : I<0x6C, RawFrm, (outs), (ins),
996 def IN16 : I<0x6D, RawFrm, (outs), (ins),
997 "ins{w}", []>, OpSize;
998 def IN32 : I<0x6D, RawFrm, (outs), (ins),
1001 //===----------------------------------------------------------------------===//
1002 // Move Instructions...
1004 let neverHasSideEffects = 1 in {
1005 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1006 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1007 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1008 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1009 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1010 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1012 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1013 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1014 "mov{b}\t{$src, $dst|$dst, $src}",
1015 [(set GR8:$dst, imm:$src)]>;
1016 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1017 "mov{w}\t{$src, $dst|$dst, $src}",
1018 [(set GR16:$dst, imm:$src)]>, OpSize;
1019 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1020 "mov{l}\t{$src, $dst|$dst, $src}",
1021 [(set GR32:$dst, imm:$src)]>;
1024 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1025 "mov{b}\t{$src, $dst|$dst, $src}",
1026 [(store (i8 imm:$src), addr:$dst)]>;
1027 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1028 "mov{w}\t{$src, $dst|$dst, $src}",
1029 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
1030 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1031 "mov{l}\t{$src, $dst|$dst, $src}",
1032 [(store (i32 imm:$src), addr:$dst)]>;
1034 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1035 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
1036 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
1037 "mov{b}\t{$src, %al|%al, $src}", []>,
1038 Requires<[In32BitMode]>;
1039 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
1040 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
1041 Requires<[In32BitMode]>;
1042 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1043 "mov{l}\t{$src, %eax|%eax, $src}", []>,
1044 Requires<[In32BitMode]>;
1045 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1046 "mov{b}\t{%al, $dst|$dst, %al}", []>,
1047 Requires<[In32BitMode]>;
1048 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1049 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
1050 Requires<[In32BitMode]>;
1051 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1052 "mov{l}\t{%eax, $dst|$dst, %eax}", []>,
1053 Requires<[In32BitMode]>;
1055 // Moves to and from segment registers
1056 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1057 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1058 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
1059 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1060 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1061 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1062 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
1063 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1064 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1065 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1066 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
1067 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1068 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1069 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1070 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
1071 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1073 let isCodeGenOnly = 1 in {
1074 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1075 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1076 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1077 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1078 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1079 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1082 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1083 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1084 "mov{b}\t{$src, $dst|$dst, $src}",
1085 [(set GR8:$dst, (loadi8 addr:$src))]>;
1086 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1087 "mov{w}\t{$src, $dst|$dst, $src}",
1088 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1089 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1090 "mov{l}\t{$src, $dst|$dst, $src}",
1091 [(set GR32:$dst, (loadi32 addr:$src))]>;
1094 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1095 "mov{b}\t{$src, $dst|$dst, $src}",
1096 [(store GR8:$src, addr:$dst)]>;
1097 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1098 "mov{w}\t{$src, $dst|$dst, $src}",
1099 [(store GR16:$src, addr:$dst)]>, OpSize;
1100 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1101 "mov{l}\t{$src, $dst|$dst, $src}",
1102 [(store GR32:$src, addr:$dst)]>;
1104 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1105 let isCodeGenOnly = 1 in {
1106 let neverHasSideEffects = 1 in
1107 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1108 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1111 canFoldAsLoad = 1, isReMaterializable = 1 in
1112 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1113 "mov{l}\t{$src, $dst|$dst, $src}",
1117 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1118 "mov{l}\t{$src, $dst|$dst, $src}",
1122 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1123 // that they can be used for copying and storing h registers, which can't be
1124 // encoded when a REX prefix is present.
1125 let isCodeGenOnly = 1 in {
1126 let neverHasSideEffects = 1 in
1127 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1128 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1129 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1131 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1132 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1133 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1135 canFoldAsLoad = 1, isReMaterializable = 1 in
1136 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1137 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1138 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1141 // Moves to and from debug registers
1142 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1143 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1144 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1145 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1147 // Moves to and from control registers
1148 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1149 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1150 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1151 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1153 //===----------------------------------------------------------------------===//
1154 // Fixed-Register Multiplication and Division Instructions...
1157 // Extra precision multiplication
1159 // AL is really implied by AX, by the registers in Defs must match the
1160 // SDNode results (i8, i32).
1161 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1162 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1163 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1164 // This probably ought to be moved to a def : Pat<> if the
1165 // syntax can be accepted.
1166 [(set AL, (mul AL, GR8:$src)),
1167 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1169 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1170 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1172 []>, OpSize; // AX,DX = AX*GR16
1174 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1175 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1177 []>; // EAX,EDX = EAX*GR32
1179 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1180 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1182 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1183 // This probably ought to be moved to a def : Pat<> if the
1184 // syntax can be accepted.
1185 [(set AL, (mul AL, (loadi8 addr:$src))),
1186 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1188 let mayLoad = 1, neverHasSideEffects = 1 in {
1189 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1190 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1192 []>, OpSize; // AX,DX = AX*[mem16]
1194 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1195 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1197 []>; // EAX,EDX = EAX*[mem32]
1200 let neverHasSideEffects = 1 in {
1201 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1202 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1204 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1205 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1206 OpSize; // AX,DX = AX*GR16
1207 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1208 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1209 // EAX,EDX = EAX*GR32
1210 let mayLoad = 1 in {
1211 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1212 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1213 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1214 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1215 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1216 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1217 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1218 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1219 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1221 } // neverHasSideEffects
1223 // unsigned division/remainder
1224 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1225 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1226 "div{b}\t$src", []>;
1227 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1228 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1229 "div{w}\t$src", []>, OpSize;
1230 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1231 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1232 "div{l}\t$src", []>;
1233 let mayLoad = 1 in {
1234 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1235 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1236 "div{b}\t$src", []>;
1237 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1238 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1239 "div{w}\t$src", []>, OpSize;
1240 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1241 // EDX:EAX/[mem32] = EAX,EDX
1242 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1243 "div{l}\t$src", []>;
1246 // Signed division/remainder.
1247 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1248 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1249 "idiv{b}\t$src", []>;
1250 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1251 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1252 "idiv{w}\t$src", []>, OpSize;
1253 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1254 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1255 "idiv{l}\t$src", []>;
1256 let mayLoad = 1, mayLoad = 1 in {
1257 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1258 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1259 "idiv{b}\t$src", []>;
1260 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1261 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1262 "idiv{w}\t$src", []>, OpSize;
1263 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1264 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1265 // EDX:EAX/[mem32] = EAX,EDX
1266 "idiv{l}\t$src", []>;
1269 //===----------------------------------------------------------------------===//
1270 // Two address Instructions.
1272 let Constraints = "$src1 = $dst" in {
1274 // Conditional moves
1275 let Uses = [EFLAGS] in {
1277 let Predicates = [HasCMov] in {
1278 let isCommutable = 1 in {
1279 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1280 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1281 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1282 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1283 X86_COND_B, EFLAGS))]>,
1285 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1286 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1287 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1288 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1289 X86_COND_B, EFLAGS))]>,
1291 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1292 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1293 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1294 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1295 X86_COND_AE, EFLAGS))]>,
1297 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1298 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1299 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1300 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1301 X86_COND_AE, EFLAGS))]>,
1303 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1304 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1305 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1306 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1307 X86_COND_E, EFLAGS))]>,
1309 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1310 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1311 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1312 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1313 X86_COND_E, EFLAGS))]>,
1315 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1316 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1317 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1318 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1319 X86_COND_NE, EFLAGS))]>,
1321 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1322 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1323 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1324 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1325 X86_COND_NE, EFLAGS))]>,
1327 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1328 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1329 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1330 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1331 X86_COND_BE, EFLAGS))]>,
1333 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1334 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1335 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1336 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1337 X86_COND_BE, EFLAGS))]>,
1339 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1340 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1341 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1342 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1343 X86_COND_A, EFLAGS))]>,
1345 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1346 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1347 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1348 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1349 X86_COND_A, EFLAGS))]>,
1351 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1352 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1353 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1354 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1355 X86_COND_L, EFLAGS))]>,
1357 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1358 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1359 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1360 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1361 X86_COND_L, EFLAGS))]>,
1363 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1364 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1365 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1366 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1367 X86_COND_GE, EFLAGS))]>,
1369 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1370 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1371 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1372 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1373 X86_COND_GE, EFLAGS))]>,
1375 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1376 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1377 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1378 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1379 X86_COND_LE, EFLAGS))]>,
1381 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1382 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1383 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1384 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1385 X86_COND_LE, EFLAGS))]>,
1387 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1388 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1389 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1390 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1391 X86_COND_G, EFLAGS))]>,
1393 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1394 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1395 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1396 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1397 X86_COND_G, EFLAGS))]>,
1399 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1400 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1401 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1402 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1403 X86_COND_S, EFLAGS))]>,
1405 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1406 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1407 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1408 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1409 X86_COND_S, EFLAGS))]>,
1411 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1412 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1413 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1414 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1415 X86_COND_NS, EFLAGS))]>,
1417 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1418 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1419 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1420 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1421 X86_COND_NS, EFLAGS))]>,
1423 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1424 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1425 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1426 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1427 X86_COND_P, EFLAGS))]>,
1429 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1430 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1431 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1432 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1433 X86_COND_P, EFLAGS))]>,
1435 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1436 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1437 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1438 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1439 X86_COND_NP, EFLAGS))]>,
1441 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1442 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1443 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1444 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1445 X86_COND_NP, EFLAGS))]>,
1447 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1448 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1449 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1450 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1451 X86_COND_O, EFLAGS))]>,
1453 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1454 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1455 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1456 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1457 X86_COND_O, EFLAGS))]>,
1459 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1460 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1461 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1462 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1463 X86_COND_NO, EFLAGS))]>,
1465 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1466 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1467 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1468 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1469 X86_COND_NO, EFLAGS))]>,
1471 } // isCommutable = 1
1473 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1474 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1475 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1476 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1477 X86_COND_B, EFLAGS))]>,
1479 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1480 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1481 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1482 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1483 X86_COND_B, EFLAGS))]>,
1485 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1486 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1487 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1488 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1489 X86_COND_AE, EFLAGS))]>,
1491 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1492 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1493 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1494 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1495 X86_COND_AE, EFLAGS))]>,
1497 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1498 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1499 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1500 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1501 X86_COND_E, EFLAGS))]>,
1503 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1504 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1505 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1506 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1507 X86_COND_E, EFLAGS))]>,
1509 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1510 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1511 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1512 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1513 X86_COND_NE, EFLAGS))]>,
1515 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1516 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1517 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1518 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1519 X86_COND_NE, EFLAGS))]>,
1521 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1522 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1523 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1524 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1525 X86_COND_BE, EFLAGS))]>,
1527 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1528 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1529 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1530 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1531 X86_COND_BE, EFLAGS))]>,
1533 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1534 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1535 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1536 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1537 X86_COND_A, EFLAGS))]>,
1539 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1540 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1541 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1542 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1543 X86_COND_A, EFLAGS))]>,
1545 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1546 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1547 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1548 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1549 X86_COND_L, EFLAGS))]>,
1551 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1552 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1553 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1554 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1555 X86_COND_L, EFLAGS))]>,
1557 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1558 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1559 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1560 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1561 X86_COND_GE, EFLAGS))]>,
1563 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1564 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1565 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1566 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1567 X86_COND_GE, EFLAGS))]>,
1569 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1570 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1571 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1572 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1573 X86_COND_LE, EFLAGS))]>,
1575 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1576 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1577 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1578 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1579 X86_COND_LE, EFLAGS))]>,
1581 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1582 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1583 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1584 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1585 X86_COND_G, EFLAGS))]>,
1587 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1588 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1589 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1590 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1591 X86_COND_G, EFLAGS))]>,
1593 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1594 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1595 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1596 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1597 X86_COND_S, EFLAGS))]>,
1599 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1600 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1601 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1602 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1603 X86_COND_S, EFLAGS))]>,
1605 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1606 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1607 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1608 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1609 X86_COND_NS, EFLAGS))]>,
1611 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1612 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1613 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1614 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1615 X86_COND_NS, EFLAGS))]>,
1617 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1618 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1619 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1620 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1621 X86_COND_P, EFLAGS))]>,
1623 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1624 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1625 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1626 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1627 X86_COND_P, EFLAGS))]>,
1629 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1630 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1631 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1632 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1633 X86_COND_NP, EFLAGS))]>,
1635 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1636 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1637 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1638 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1639 X86_COND_NP, EFLAGS))]>,
1641 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1642 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1643 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1644 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1645 X86_COND_O, EFLAGS))]>,
1647 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1648 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1649 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1650 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1651 X86_COND_O, EFLAGS))]>,
1653 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1654 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1655 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1656 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1657 X86_COND_NO, EFLAGS))]>,
1659 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1660 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1661 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1662 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1663 X86_COND_NO, EFLAGS))]>,
1665 } // Predicates = [HasCMov]
1667 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1668 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1669 // however that requires promoting the operands, and can induce additional
1670 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1671 // clobber EFLAGS, because if one of the operands is zero, the expansion
1672 // could involve an xor.
1673 let usesCustomInserter = 1, Constraints = "", Defs = [EFLAGS] in {
1674 def CMOV_GR8 : I<0, Pseudo,
1675 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1676 "#CMOV_GR8 PSEUDO!",
1677 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1678 imm:$cond, EFLAGS))]>;
1680 let Predicates = [NoCMov] in {
1681 def CMOV_GR32 : I<0, Pseudo,
1682 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1683 "#CMOV_GR32* PSEUDO!",
1685 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1686 def CMOV_GR16 : I<0, Pseudo,
1687 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1688 "#CMOV_GR16* PSEUDO!",
1690 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1691 def CMOV_RFP32 : I<0, Pseudo,
1693 (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1694 "#CMOV_RFP32 PSEUDO!",
1696 (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1698 def CMOV_RFP64 : I<0, Pseudo,
1700 (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1701 "#CMOV_RFP64 PSEUDO!",
1703 (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1705 def CMOV_RFP80 : I<0, Pseudo,
1707 (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1708 "#CMOV_RFP80 PSEUDO!",
1710 (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1712 } // Predicates = [NoCMov]
1713 } // UsesCustomInserter = 1, Constraints = "", Defs = [EFLAGS]
1714 } // Uses = [EFLAGS]
1717 // unary instructions
1718 let CodeSize = 2 in {
1719 let Defs = [EFLAGS] in {
1720 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
1722 [(set GR8:$dst, (ineg GR8:$src1)),
1723 (implicit EFLAGS)]>;
1724 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1726 [(set GR16:$dst, (ineg GR16:$src1)),
1727 (implicit EFLAGS)]>, OpSize;
1728 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1730 [(set GR32:$dst, (ineg GR32:$src1)),
1731 (implicit EFLAGS)]>;
1733 let Constraints = "" in {
1734 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
1736 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1737 (implicit EFLAGS)]>;
1738 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
1740 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1741 (implicit EFLAGS)]>, OpSize;
1742 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
1744 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1745 (implicit EFLAGS)]>;
1746 } // Constraints = ""
1747 } // Defs = [EFLAGS]
1749 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1750 let AddedComplexity = 15 in {
1751 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
1753 [(set GR8:$dst, (not GR8:$src1))]>;
1754 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1756 [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
1757 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1759 [(set GR32:$dst, (not GR32:$src1))]>;
1761 let Constraints = "" in {
1762 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
1764 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1765 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
1767 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1768 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
1770 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1771 } // Constraints = ""
1774 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1775 let Defs = [EFLAGS] in {
1777 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1779 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;
1781 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1782 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1784 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
1785 OpSize, Requires<[In32BitMode]>;
1786 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1788 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
1789 Requires<[In32BitMode]>;
1791 let Constraints = "", CodeSize = 2 in {
1792 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1793 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1794 (implicit EFLAGS)]>;
1795 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1796 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1797 (implicit EFLAGS)]>,
1798 OpSize, Requires<[In32BitMode]>;
1799 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1800 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1801 (implicit EFLAGS)]>,
1802 Requires<[In32BitMode]>;
1803 } // Constraints = "", CodeSize = 2
1806 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1808 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
1809 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1810 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1812 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
1813 OpSize, Requires<[In32BitMode]>;
1814 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1816 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
1817 Requires<[In32BitMode]>;
1820 let Constraints = "", CodeSize = 2 in {
1821 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1822 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1823 (implicit EFLAGS)]>;
1824 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1825 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1826 (implicit EFLAGS)]>,
1827 OpSize, Requires<[In32BitMode]>;
1828 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1829 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1830 (implicit EFLAGS)]>,
1831 Requires<[In32BitMode]>;
1832 } // Constraints = "", CodeSize = 2
1833 } // Defs = [EFLAGS]
1835 // Logical operators...
1836 let Defs = [EFLAGS] in {
1837 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1838 def AND8rr : I<0x20, MRMDestReg,
1839 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1840 "and{b}\t{$src2, $dst|$dst, $src2}",
1841 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1842 def AND16rr : I<0x21, MRMDestReg,
1843 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1844 "and{w}\t{$src2, $dst|$dst, $src2}",
1845 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1846 GR16:$src2))]>, OpSize;
1847 def AND32rr : I<0x21, MRMDestReg,
1848 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1849 "and{l}\t{$src2, $dst|$dst, $src2}",
1850 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1854 // AND instructions with the destination register in REG and the source register
1855 // in R/M. Included for the disassembler.
1856 let isCodeGenOnly = 1 in {
1857 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1858 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1859 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1860 (ins GR16:$src1, GR16:$src2),
1861 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1862 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1863 (ins GR32:$src1, GR32:$src2),
1864 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1867 def AND8rm : I<0x22, MRMSrcMem,
1868 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1869 "and{b}\t{$src2, $dst|$dst, $src2}",
1870 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1871 (loadi8 addr:$src2)))]>;
1872 def AND16rm : I<0x23, MRMSrcMem,
1873 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1874 "and{w}\t{$src2, $dst|$dst, $src2}",
1875 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1876 (loadi16 addr:$src2)))]>,
1878 def AND32rm : I<0x23, MRMSrcMem,
1879 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1880 "and{l}\t{$src2, $dst|$dst, $src2}",
1881 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1882 (loadi32 addr:$src2)))]>;
1884 def AND8ri : Ii8<0x80, MRM4r,
1885 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1886 "and{b}\t{$src2, $dst|$dst, $src2}",
1887 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1889 def AND16ri : Ii16<0x81, MRM4r,
1890 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1891 "and{w}\t{$src2, $dst|$dst, $src2}",
1892 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1893 imm:$src2))]>, OpSize;
1894 def AND32ri : Ii32<0x81, MRM4r,
1895 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1896 "and{l}\t{$src2, $dst|$dst, $src2}",
1897 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1899 def AND16ri8 : Ii8<0x83, MRM4r,
1900 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1901 "and{w}\t{$src2, $dst|$dst, $src2}",
1902 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1903 i16immSExt8:$src2))]>,
1905 def AND32ri8 : Ii8<0x83, MRM4r,
1906 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1907 "and{l}\t{$src2, $dst|$dst, $src2}",
1908 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1909 i32immSExt8:$src2))]>;
1911 let Constraints = "" in {
1912 def AND8mr : I<0x20, MRMDestMem,
1913 (outs), (ins i8mem :$dst, GR8 :$src),
1914 "and{b}\t{$src, $dst|$dst, $src}",
1915 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1916 (implicit EFLAGS)]>;
1917 def AND16mr : I<0x21, MRMDestMem,
1918 (outs), (ins i16mem:$dst, GR16:$src),
1919 "and{w}\t{$src, $dst|$dst, $src}",
1920 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1921 (implicit EFLAGS)]>,
1923 def AND32mr : I<0x21, MRMDestMem,
1924 (outs), (ins i32mem:$dst, GR32:$src),
1925 "and{l}\t{$src, $dst|$dst, $src}",
1926 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1927 (implicit EFLAGS)]>;
1928 def AND8mi : Ii8<0x80, MRM4m,
1929 (outs), (ins i8mem :$dst, i8imm :$src),
1930 "and{b}\t{$src, $dst|$dst, $src}",
1931 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1932 (implicit EFLAGS)]>;
1933 def AND16mi : Ii16<0x81, MRM4m,
1934 (outs), (ins i16mem:$dst, i16imm:$src),
1935 "and{w}\t{$src, $dst|$dst, $src}",
1936 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1937 (implicit EFLAGS)]>,
1939 def AND32mi : Ii32<0x81, MRM4m,
1940 (outs), (ins i32mem:$dst, i32imm:$src),
1941 "and{l}\t{$src, $dst|$dst, $src}",
1942 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1943 (implicit EFLAGS)]>;
1944 def AND16mi8 : Ii8<0x83, MRM4m,
1945 (outs), (ins i16mem:$dst, i16i8imm :$src),
1946 "and{w}\t{$src, $dst|$dst, $src}",
1947 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1948 (implicit EFLAGS)]>,
1950 def AND32mi8 : Ii8<0x83, MRM4m,
1951 (outs), (ins i32mem:$dst, i32i8imm :$src),
1952 "and{l}\t{$src, $dst|$dst, $src}",
1953 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1954 (implicit EFLAGS)]>;
1956 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1957 "and{b}\t{$src, %al|%al, $src}", []>;
1958 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1959 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1960 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1961 "and{l}\t{$src, %eax|%eax, $src}", []>;
1963 } // Constraints = ""
1966 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1967 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1968 (ins GR8 :$src1, GR8 :$src2),
1969 "or{b}\t{$src2, $dst|$dst, $src2}",
1970 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1971 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1972 (ins GR16:$src1, GR16:$src2),
1973 "or{w}\t{$src2, $dst|$dst, $src2}",
1974 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1976 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1977 (ins GR32:$src1, GR32:$src2),
1978 "or{l}\t{$src2, $dst|$dst, $src2}",
1979 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1982 // OR instructions with the destination register in REG and the source register
1983 // in R/M. Included for the disassembler.
1984 let isCodeGenOnly = 1 in {
1985 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1986 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1987 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1988 (ins GR16:$src1, GR16:$src2),
1989 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1990 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1991 (ins GR32:$src1, GR32:$src2),
1992 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1995 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1996 (ins GR8 :$src1, i8mem :$src2),
1997 "or{b}\t{$src2, $dst|$dst, $src2}",
1998 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1999 (load addr:$src2)))]>;
2000 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
2001 (ins GR16:$src1, i16mem:$src2),
2002 "or{w}\t{$src2, $dst|$dst, $src2}",
2003 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2004 (load addr:$src2)))]>,
2006 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
2007 (ins GR32:$src1, i32mem:$src2),
2008 "or{l}\t{$src2, $dst|$dst, $src2}",
2009 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2010 (load addr:$src2)))]>;
2012 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
2013 (ins GR8 :$src1, i8imm:$src2),
2014 "or{b}\t{$src2, $dst|$dst, $src2}",
2015 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
2016 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
2017 (ins GR16:$src1, i16imm:$src2),
2018 "or{w}\t{$src2, $dst|$dst, $src2}",
2019 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2020 imm:$src2))]>, OpSize;
2021 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
2022 (ins GR32:$src1, i32imm:$src2),
2023 "or{l}\t{$src2, $dst|$dst, $src2}",
2024 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2027 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
2028 (ins GR16:$src1, i16i8imm:$src2),
2029 "or{w}\t{$src2, $dst|$dst, $src2}",
2030 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2031 i16immSExt8:$src2))]>, OpSize;
2032 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
2033 (ins GR32:$src1, i32i8imm:$src2),
2034 "or{l}\t{$src2, $dst|$dst, $src2}",
2035 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2036 i32immSExt8:$src2))]>;
2037 let Constraints = "" in {
2038 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
2039 "or{b}\t{$src, $dst|$dst, $src}",
2040 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
2041 (implicit EFLAGS)]>;
2042 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2043 "or{w}\t{$src, $dst|$dst, $src}",
2044 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
2045 (implicit EFLAGS)]>, OpSize;
2046 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2047 "or{l}\t{$src, $dst|$dst, $src}",
2048 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
2049 (implicit EFLAGS)]>;
2050 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2051 "or{b}\t{$src, $dst|$dst, $src}",
2052 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
2053 (implicit EFLAGS)]>;
2054 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
2055 "or{w}\t{$src, $dst|$dst, $src}",
2056 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
2057 (implicit EFLAGS)]>,
2059 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
2060 "or{l}\t{$src, $dst|$dst, $src}",
2061 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
2062 (implicit EFLAGS)]>;
2063 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
2064 "or{w}\t{$src, $dst|$dst, $src}",
2065 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
2066 (implicit EFLAGS)]>,
2068 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
2069 "or{l}\t{$src, $dst|$dst, $src}",
2070 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
2071 (implicit EFLAGS)]>;
2073 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
2074 "or{b}\t{$src, %al|%al, $src}", []>;
2075 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
2076 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2077 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
2078 "or{l}\t{$src, %eax|%eax, $src}", []>;
2079 } // Constraints = ""
2082 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2083 def XOR8rr : I<0x30, MRMDestReg,
2084 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2085 "xor{b}\t{$src2, $dst|$dst, $src2}",
2086 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2088 def XOR16rr : I<0x31, MRMDestReg,
2089 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2090 "xor{w}\t{$src2, $dst|$dst, $src2}",
2091 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2092 GR16:$src2))]>, OpSize;
2093 def XOR32rr : I<0x31, MRMDestReg,
2094 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2095 "xor{l}\t{$src2, $dst|$dst, $src2}",
2096 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2098 } // isCommutable = 1
2100 // XOR instructions with the destination register in REG and the source register
2101 // in R/M. Included for the disassembler.
2102 let isCodeGenOnly = 1 in {
2103 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2104 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2105 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2106 (ins GR16:$src1, GR16:$src2),
2107 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2108 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2109 (ins GR32:$src1, GR32:$src2),
2110 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2113 def XOR8rm : I<0x32, MRMSrcMem,
2114 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2115 "xor{b}\t{$src2, $dst|$dst, $src2}",
2116 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2117 (load addr:$src2)))]>;
2118 def XOR16rm : I<0x33, MRMSrcMem,
2119 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2120 "xor{w}\t{$src2, $dst|$dst, $src2}",
2121 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2122 (load addr:$src2)))]>,
2124 def XOR32rm : I<0x33, MRMSrcMem,
2125 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2126 "xor{l}\t{$src2, $dst|$dst, $src2}",
2127 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2128 (load addr:$src2)))]>;
2130 def XOR8ri : Ii8<0x80, MRM6r,
2131 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2132 "xor{b}\t{$src2, $dst|$dst, $src2}",
2133 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2134 def XOR16ri : Ii16<0x81, MRM6r,
2135 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2136 "xor{w}\t{$src2, $dst|$dst, $src2}",
2137 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2138 imm:$src2))]>, OpSize;
2139 def XOR32ri : Ii32<0x81, MRM6r,
2140 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2141 "xor{l}\t{$src2, $dst|$dst, $src2}",
2142 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2144 def XOR16ri8 : Ii8<0x83, MRM6r,
2145 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2146 "xor{w}\t{$src2, $dst|$dst, $src2}",
2147 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2148 i16immSExt8:$src2))]>,
2150 def XOR32ri8 : Ii8<0x83, MRM6r,
2151 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2152 "xor{l}\t{$src2, $dst|$dst, $src2}",
2153 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2154 i32immSExt8:$src2))]>;
2156 let Constraints = "" in {
2157 def XOR8mr : I<0x30, MRMDestMem,
2158 (outs), (ins i8mem :$dst, GR8 :$src),
2159 "xor{b}\t{$src, $dst|$dst, $src}",
2160 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2161 (implicit EFLAGS)]>;
2162 def XOR16mr : I<0x31, MRMDestMem,
2163 (outs), (ins i16mem:$dst, GR16:$src),
2164 "xor{w}\t{$src, $dst|$dst, $src}",
2165 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2166 (implicit EFLAGS)]>,
2168 def XOR32mr : I<0x31, MRMDestMem,
2169 (outs), (ins i32mem:$dst, GR32:$src),
2170 "xor{l}\t{$src, $dst|$dst, $src}",
2171 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2172 (implicit EFLAGS)]>;
2173 def XOR8mi : Ii8<0x80, MRM6m,
2174 (outs), (ins i8mem :$dst, i8imm :$src),
2175 "xor{b}\t{$src, $dst|$dst, $src}",
2176 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2177 (implicit EFLAGS)]>;
2178 def XOR16mi : Ii16<0x81, MRM6m,
2179 (outs), (ins i16mem:$dst, i16imm:$src),
2180 "xor{w}\t{$src, $dst|$dst, $src}",
2181 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2182 (implicit EFLAGS)]>,
2184 def XOR32mi : Ii32<0x81, MRM6m,
2185 (outs), (ins i32mem:$dst, i32imm:$src),
2186 "xor{l}\t{$src, $dst|$dst, $src}",
2187 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2188 (implicit EFLAGS)]>;
2189 def XOR16mi8 : Ii8<0x83, MRM6m,
2190 (outs), (ins i16mem:$dst, i16i8imm :$src),
2191 "xor{w}\t{$src, $dst|$dst, $src}",
2192 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2193 (implicit EFLAGS)]>,
2195 def XOR32mi8 : Ii8<0x83, MRM6m,
2196 (outs), (ins i32mem:$dst, i32i8imm :$src),
2197 "xor{l}\t{$src, $dst|$dst, $src}",
2198 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2199 (implicit EFLAGS)]>;
2201 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2202 "xor{b}\t{$src, %al|%al, $src}", []>;
2203 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2204 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2205 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2206 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2207 } // Constraints = ""
2208 } // Defs = [EFLAGS]
2210 // Shift instructions
2211 let Defs = [EFLAGS] in {
2212 let Uses = [CL] in {
2213 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
2214 "shl{b}\t{%cl, $dst|$dst, CL}",
2215 [(set GR8:$dst, (shl GR8:$src1, CL))]>;
2216 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2217 "shl{w}\t{%cl, $dst|$dst, CL}",
2218 [(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize;
2219 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2220 "shl{l}\t{%cl, $dst|$dst, CL}",
2221 [(set GR32:$dst, (shl GR32:$src1, CL))]>;
2224 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2225 "shl{b}\t{$src2, $dst|$dst, $src2}",
2226 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2228 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2229 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2230 "shl{w}\t{$src2, $dst|$dst, $src2}",
2231 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2232 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2233 "shl{l}\t{$src2, $dst|$dst, $src2}",
2234 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2236 // NOTE: We don't include patterns for shifts of a register by one, because
2237 // 'add reg,reg' is cheaper.
2239 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2240 "shl{b}\t$dst", []>;
2241 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2242 "shl{w}\t$dst", []>, OpSize;
2243 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2244 "shl{l}\t$dst", []>;
2246 } // isConvertibleToThreeAddress = 1
2248 let Constraints = "" in {
2249 let Uses = [CL] in {
2250 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2251 "shl{b}\t{%cl, $dst|$dst, CL}",
2252 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2253 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2254 "shl{w}\t{%cl, $dst|$dst, CL}",
2255 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2256 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2257 "shl{l}\t{%cl, $dst|$dst, CL}",
2258 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2260 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2261 "shl{b}\t{$src, $dst|$dst, $src}",
2262 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2263 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2264 "shl{w}\t{$src, $dst|$dst, $src}",
2265 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2267 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2268 "shl{l}\t{$src, $dst|$dst, $src}",
2269 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2272 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2274 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2275 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2277 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2279 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2281 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2282 } // Constraints = ""
2284 let Uses = [CL] in {
2285 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
2286 "shr{b}\t{%cl, $dst|$dst, CL}",
2287 [(set GR8:$dst, (srl GR8:$src1, CL))]>;
2288 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2289 "shr{w}\t{%cl, $dst|$dst, CL}",
2290 [(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize;
2291 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2292 "shr{l}\t{%cl, $dst|$dst, CL}",
2293 [(set GR32:$dst, (srl GR32:$src1, CL))]>;
2296 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2297 "shr{b}\t{$src2, $dst|$dst, $src2}",
2298 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2299 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2300 "shr{w}\t{$src2, $dst|$dst, $src2}",
2301 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2302 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2303 "shr{l}\t{$src2, $dst|$dst, $src2}",
2304 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2307 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2309 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2310 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2312 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2313 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2315 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2317 let Constraints = "" in {
2318 let Uses = [CL] in {
2319 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2320 "shr{b}\t{%cl, $dst|$dst, CL}",
2321 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2322 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2323 "shr{w}\t{%cl, $dst|$dst, CL}",
2324 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2326 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2327 "shr{l}\t{%cl, $dst|$dst, CL}",
2328 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2330 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2331 "shr{b}\t{$src, $dst|$dst, $src}",
2332 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2333 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2334 "shr{w}\t{$src, $dst|$dst, $src}",
2335 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2337 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2338 "shr{l}\t{$src, $dst|$dst, $src}",
2339 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2342 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2344 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2345 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2347 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2348 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2350 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2351 } // Constraints = ""
2353 let Uses = [CL] in {
2354 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2355 "sar{b}\t{%cl, $dst|$dst, CL}",
2356 [(set GR8:$dst, (sra GR8:$src1, CL))]>;
2357 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2358 "sar{w}\t{%cl, $dst|$dst, CL}",
2359 [(set GR16:$dst, (sra GR16:$src1, CL))]>, OpSize;
2360 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2361 "sar{l}\t{%cl, $dst|$dst, CL}",
2362 [(set GR32:$dst, (sra GR32:$src1, CL))]>;
2365 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2366 "sar{b}\t{$src2, $dst|$dst, $src2}",
2367 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2368 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2369 "sar{w}\t{$src2, $dst|$dst, $src2}",
2370 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2372 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2373 "sar{l}\t{$src2, $dst|$dst, $src2}",
2374 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2377 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2379 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2380 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2382 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2383 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2385 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2387 let Constraints = "" in {
2388 let Uses = [CL] in {
2389 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2390 "sar{b}\t{%cl, $dst|$dst, CL}",
2391 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2392 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2393 "sar{w}\t{%cl, $dst|$dst, CL}",
2394 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2395 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2396 "sar{l}\t{%cl, $dst|$dst, CL}",
2397 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2399 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2400 "sar{b}\t{$src, $dst|$dst, $src}",
2401 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2402 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2403 "sar{w}\t{$src, $dst|$dst, $src}",
2404 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2406 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2407 "sar{l}\t{$src, $dst|$dst, $src}",
2408 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2411 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2413 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2414 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2416 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2418 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2420 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2421 } // Constraints = ""
2423 // Rotate instructions
2425 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2426 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2427 let Uses = [CL] in {
2428 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2429 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2431 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2432 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2434 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2435 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2436 let Uses = [CL] in {
2437 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2438 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2440 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2441 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2443 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2444 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2445 let Uses = [CL] in {
2446 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2447 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2449 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2450 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2452 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2453 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2454 let Uses = [CL] in {
2455 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2456 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2458 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2459 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2461 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2462 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2463 let Uses = [CL] in {
2464 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2465 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2467 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2468 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2470 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2471 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2472 let Uses = [CL] in {
2473 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2474 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2476 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2477 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2479 let Constraints = "" in {
2480 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2481 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2482 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2483 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2484 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2485 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2486 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2487 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2488 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2489 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2490 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2491 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2492 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2493 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2494 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2495 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2496 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2497 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2498 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2499 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2500 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2501 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2502 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2503 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2505 let Uses = [CL] in {
2506 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2507 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2508 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2509 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2510 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2511 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2512 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2513 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2514 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2515 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2516 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2517 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2519 } // Constraints = ""
2521 // FIXME: provide shorter instructions when imm8 == 1
2522 let Uses = [CL] in {
2523 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2524 "rol{b}\t{%cl, $dst|$dst, CL}",
2525 [(set GR8:$dst, (rotl GR8:$src1, CL))]>;
2526 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2527 "rol{w}\t{%cl, $dst|$dst, CL}",
2528 [(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize;
2529 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2530 "rol{l}\t{%cl, $dst|$dst, CL}",
2531 [(set GR32:$dst, (rotl GR32:$src1, CL))]>;
2534 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2535 "rol{b}\t{$src2, $dst|$dst, $src2}",
2536 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2537 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2538 "rol{w}\t{$src2, $dst|$dst, $src2}",
2539 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2541 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2542 "rol{l}\t{$src2, $dst|$dst, $src2}",
2543 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2546 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2548 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2549 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2551 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2552 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2554 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2556 let Constraints = "" in {
2557 let Uses = [CL] in {
2558 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2559 "rol{b}\t{%cl, $dst|$dst, CL}",
2560 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2561 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2562 "rol{w}\t{%cl, $dst|$dst, CL}",
2563 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2564 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2565 "rol{l}\t{%cl, $dst|$dst, CL}",
2566 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2568 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2569 "rol{b}\t{$src, $dst|$dst, $src}",
2570 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2571 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2572 "rol{w}\t{$src, $dst|$dst, $src}",
2573 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2575 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2576 "rol{l}\t{$src, $dst|$dst, $src}",
2577 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2580 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2582 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2583 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2585 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2587 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2589 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2590 } // Constraints = ""
2592 let Uses = [CL] in {
2593 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2594 "ror{b}\t{%cl, $dst|$dst, CL}",
2595 [(set GR8:$dst, (rotr GR8:$src1, CL))]>;
2596 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2597 "ror{w}\t{%cl, $dst|$dst, CL}",
2598 [(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize;
2599 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2600 "ror{l}\t{%cl, $dst|$dst, CL}",
2601 [(set GR32:$dst, (rotr GR32:$src1, CL))]>;
2604 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2605 "ror{b}\t{$src2, $dst|$dst, $src2}",
2606 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2607 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2608 "ror{w}\t{$src2, $dst|$dst, $src2}",
2609 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2611 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2612 "ror{l}\t{$src2, $dst|$dst, $src2}",
2613 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2616 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2618 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2619 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2621 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2622 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2624 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2626 let Constraints = "" in {
2627 let Uses = [CL] in {
2628 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2629 "ror{b}\t{%cl, $dst|$dst, CL}",
2630 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2631 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2632 "ror{w}\t{%cl, $dst|$dst, CL}",
2633 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2634 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2635 "ror{l}\t{%cl, $dst|$dst, CL}",
2636 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2638 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2639 "ror{b}\t{$src, $dst|$dst, $src}",
2640 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2641 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2642 "ror{w}\t{$src, $dst|$dst, $src}",
2643 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2645 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2646 "ror{l}\t{$src, $dst|$dst, $src}",
2647 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2650 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2652 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2653 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2655 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2657 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2659 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2660 } // Constraints = ""
2663 // Double shift instructions (generalizations of rotate)
2664 let Uses = [CL] in {
2665 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2666 (ins GR32:$src1, GR32:$src2),
2667 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2668 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2669 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2670 (ins GR32:$src1, GR32:$src2),
2671 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2672 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2673 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2674 (ins GR16:$src1, GR16:$src2),
2675 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2676 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2678 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2679 (ins GR16:$src1, GR16:$src2),
2680 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2681 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2685 let isCommutable = 1 in { // These instructions commute to each other.
2686 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2688 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2689 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2690 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2693 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2695 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2696 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2697 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2700 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2702 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2703 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2704 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2707 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2709 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2710 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2711 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2716 let Constraints = "" in {
2717 let Uses = [CL] in {
2718 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2719 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2720 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2722 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2723 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2724 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2727 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2728 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2729 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2730 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2731 (i8 imm:$src3)), addr:$dst)]>,
2733 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2734 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2735 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2736 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2737 (i8 imm:$src3)), addr:$dst)]>,
2740 let Uses = [CL] in {
2741 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2742 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2743 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2744 addr:$dst)]>, TB, OpSize;
2745 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2746 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2747 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2748 addr:$dst)]>, TB, OpSize;
2750 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2751 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2752 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2753 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2754 (i8 imm:$src3)), addr:$dst)]>,
2756 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2757 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2758 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2759 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2760 (i8 imm:$src3)), addr:$dst)]>,
2762 } // Constraints = ""
2763 } // Defs = [EFLAGS]
2767 let Defs = [EFLAGS] in {
2768 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2769 // Register-Register Addition
2770 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2771 (ins GR8 :$src1, GR8 :$src2),
2772 "add{b}\t{$src2, $dst|$dst, $src2}",
2773 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2775 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2776 // Register-Register Addition
2777 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2778 (ins GR16:$src1, GR16:$src2),
2779 "add{w}\t{$src2, $dst|$dst, $src2}",
2780 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2781 GR16:$src2))]>, OpSize;
2782 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2783 (ins GR32:$src1, GR32:$src2),
2784 "add{l}\t{$src2, $dst|$dst, $src2}",
2785 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2787 } // end isConvertibleToThreeAddress
2788 } // end isCommutable
2790 // These are alternate spellings for use by the disassembler, we mark them as
2791 // code gen only to ensure they aren't matched by the assembler.
2792 let isCodeGenOnly = 1 in {
2793 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2794 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2795 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2796 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2797 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2798 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2801 // Register-Memory Addition
2802 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2803 (ins GR8 :$src1, i8mem :$src2),
2804 "add{b}\t{$src2, $dst|$dst, $src2}",
2805 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2806 (load addr:$src2)))]>;
2807 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2808 (ins GR16:$src1, i16mem:$src2),
2809 "add{w}\t{$src2, $dst|$dst, $src2}",
2810 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2811 (load addr:$src2)))]>, OpSize;
2812 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2813 (ins GR32:$src1, i32mem:$src2),
2814 "add{l}\t{$src2, $dst|$dst, $src2}",
2815 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2816 (load addr:$src2)))]>;
2818 // Register-Integer Addition
2819 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2820 "add{b}\t{$src2, $dst|$dst, $src2}",
2821 [(set GR8:$dst, EFLAGS,
2822 (X86add_flag GR8:$src1, imm:$src2))]>;
2824 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2825 // Register-Integer Addition
2826 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2827 (ins GR16:$src1, i16imm:$src2),
2828 "add{w}\t{$src2, $dst|$dst, $src2}",
2829 [(set GR16:$dst, EFLAGS,
2830 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2831 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2832 (ins GR32:$src1, i32imm:$src2),
2833 "add{l}\t{$src2, $dst|$dst, $src2}",
2834 [(set GR32:$dst, EFLAGS,
2835 (X86add_flag GR32:$src1, imm:$src2))]>;
2836 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2837 (ins GR16:$src1, i16i8imm:$src2),
2838 "add{w}\t{$src2, $dst|$dst, $src2}",
2839 [(set GR16:$dst, EFLAGS,
2840 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2841 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2842 (ins GR32:$src1, i32i8imm:$src2),
2843 "add{l}\t{$src2, $dst|$dst, $src2}",
2844 [(set GR32:$dst, EFLAGS,
2845 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2848 let Constraints = "" in {
2849 // Memory-Register Addition
2850 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2851 "add{b}\t{$src2, $dst|$dst, $src2}",
2852 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2853 (implicit EFLAGS)]>;
2854 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2855 "add{w}\t{$src2, $dst|$dst, $src2}",
2856 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2857 (implicit EFLAGS)]>, OpSize;
2858 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2859 "add{l}\t{$src2, $dst|$dst, $src2}",
2860 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2861 (implicit EFLAGS)]>;
2862 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2863 "add{b}\t{$src2, $dst|$dst, $src2}",
2864 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2865 (implicit EFLAGS)]>;
2866 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2867 "add{w}\t{$src2, $dst|$dst, $src2}",
2868 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2869 (implicit EFLAGS)]>, OpSize;
2870 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2871 "add{l}\t{$src2, $dst|$dst, $src2}",
2872 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2873 (implicit EFLAGS)]>;
2874 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2875 "add{w}\t{$src2, $dst|$dst, $src2}",
2876 [(store (add (load addr:$dst), i16immSExt8:$src2),
2878 (implicit EFLAGS)]>, OpSize;
2879 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2880 "add{l}\t{$src2, $dst|$dst, $src2}",
2881 [(store (add (load addr:$dst), i32immSExt8:$src2),
2883 (implicit EFLAGS)]>;
2886 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2887 "add{b}\t{$src, %al|%al, $src}", []>;
2888 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2889 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2890 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2891 "add{l}\t{$src, %eax|%eax, $src}", []>;
2892 } // Constraints = ""
2894 let Uses = [EFLAGS] in {
2895 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2896 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2897 "adc{b}\t{$src2, $dst|$dst, $src2}",
2898 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2899 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2900 (ins GR16:$src1, GR16:$src2),
2901 "adc{w}\t{$src2, $dst|$dst, $src2}",
2902 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2903 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2904 (ins GR32:$src1, GR32:$src2),
2905 "adc{l}\t{$src2, $dst|$dst, $src2}",
2906 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2909 let isCodeGenOnly = 1 in {
2910 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2911 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2912 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2913 (ins GR16:$src1, GR16:$src2),
2914 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2915 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2916 (ins GR32:$src1, GR32:$src2),
2917 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2920 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2921 (ins GR8:$src1, i8mem:$src2),
2922 "adc{b}\t{$src2, $dst|$dst, $src2}",
2923 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2924 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2925 (ins GR16:$src1, i16mem:$src2),
2926 "adc{w}\t{$src2, $dst|$dst, $src2}",
2927 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2929 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2930 (ins GR32:$src1, i32mem:$src2),
2931 "adc{l}\t{$src2, $dst|$dst, $src2}",
2932 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2933 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2934 "adc{b}\t{$src2, $dst|$dst, $src2}",
2935 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2936 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2937 (ins GR16:$src1, i16imm:$src2),
2938 "adc{w}\t{$src2, $dst|$dst, $src2}",
2939 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2940 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2941 (ins GR16:$src1, i16i8imm:$src2),
2942 "adc{w}\t{$src2, $dst|$dst, $src2}",
2943 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2945 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2946 (ins GR32:$src1, i32imm:$src2),
2947 "adc{l}\t{$src2, $dst|$dst, $src2}",
2948 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2949 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2950 (ins GR32:$src1, i32i8imm:$src2),
2951 "adc{l}\t{$src2, $dst|$dst, $src2}",
2952 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2954 let Constraints = "" in {
2955 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2956 "adc{b}\t{$src2, $dst|$dst, $src2}",
2957 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2958 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2959 "adc{w}\t{$src2, $dst|$dst, $src2}",
2960 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2962 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2963 "adc{l}\t{$src2, $dst|$dst, $src2}",
2964 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2965 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2966 "adc{b}\t{$src2, $dst|$dst, $src2}",
2967 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2968 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2969 "adc{w}\t{$src2, $dst|$dst, $src2}",
2970 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2972 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2973 "adc{w}\t{$src2, $dst|$dst, $src2}",
2974 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2976 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2977 "adc{l}\t{$src2, $dst|$dst, $src2}",
2978 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2979 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2980 "adc{l}\t{$src2, $dst|$dst, $src2}",
2981 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2983 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2984 "adc{b}\t{$src, %al|%al, $src}", []>;
2985 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2986 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2987 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2988 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2989 } // Constraints = ""
2990 } // Uses = [EFLAGS]
2992 // Register-Register Subtraction
2993 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2994 "sub{b}\t{$src2, $dst|$dst, $src2}",
2995 [(set GR8:$dst, EFLAGS,
2996 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2997 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2998 "sub{w}\t{$src2, $dst|$dst, $src2}",
2999 [(set GR16:$dst, EFLAGS,
3000 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
3001 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3002 "sub{l}\t{$src2, $dst|$dst, $src2}",
3003 [(set GR32:$dst, EFLAGS,
3004 (X86sub_flag GR32:$src1, GR32:$src2))]>;
3006 let isCodeGenOnly = 1 in {
3007 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3008 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
3009 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
3010 (ins GR16:$src1, GR16:$src2),
3011 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3012 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
3013 (ins GR32:$src1, GR32:$src2),
3014 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
3017 // Register-Memory Subtraction
3018 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
3019 (ins GR8 :$src1, i8mem :$src2),
3020 "sub{b}\t{$src2, $dst|$dst, $src2}",
3021 [(set GR8:$dst, EFLAGS,
3022 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
3023 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
3024 (ins GR16:$src1, i16mem:$src2),
3025 "sub{w}\t{$src2, $dst|$dst, $src2}",
3026 [(set GR16:$dst, EFLAGS,
3027 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
3028 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
3029 (ins GR32:$src1, i32mem:$src2),
3030 "sub{l}\t{$src2, $dst|$dst, $src2}",
3031 [(set GR32:$dst, EFLAGS,
3032 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
3034 // Register-Integer Subtraction
3035 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
3036 (ins GR8:$src1, i8imm:$src2),
3037 "sub{b}\t{$src2, $dst|$dst, $src2}",
3038 [(set GR8:$dst, EFLAGS,
3039 (X86sub_flag GR8:$src1, imm:$src2))]>;
3040 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
3041 (ins GR16:$src1, i16imm:$src2),
3042 "sub{w}\t{$src2, $dst|$dst, $src2}",
3043 [(set GR16:$dst, EFLAGS,
3044 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
3045 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
3046 (ins GR32:$src1, i32imm:$src2),
3047 "sub{l}\t{$src2, $dst|$dst, $src2}",
3048 [(set GR32:$dst, EFLAGS,
3049 (X86sub_flag GR32:$src1, imm:$src2))]>;
3050 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
3051 (ins GR16:$src1, i16i8imm:$src2),
3052 "sub{w}\t{$src2, $dst|$dst, $src2}",
3053 [(set GR16:$dst, EFLAGS,
3054 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
3055 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
3056 (ins GR32:$src1, i32i8imm:$src2),
3057 "sub{l}\t{$src2, $dst|$dst, $src2}",
3058 [(set GR32:$dst, EFLAGS,
3059 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
3061 let Constraints = "" in {
3062 // Memory-Register Subtraction
3063 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3064 "sub{b}\t{$src2, $dst|$dst, $src2}",
3065 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
3066 (implicit EFLAGS)]>;
3067 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3068 "sub{w}\t{$src2, $dst|$dst, $src2}",
3069 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
3070 (implicit EFLAGS)]>, OpSize;
3071 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3072 "sub{l}\t{$src2, $dst|$dst, $src2}",
3073 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
3074 (implicit EFLAGS)]>;
3076 // Memory-Integer Subtraction
3077 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3078 "sub{b}\t{$src2, $dst|$dst, $src2}",
3079 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
3080 (implicit EFLAGS)]>;
3081 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3082 "sub{w}\t{$src2, $dst|$dst, $src2}",
3083 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
3084 (implicit EFLAGS)]>, OpSize;
3085 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3086 "sub{l}\t{$src2, $dst|$dst, $src2}",
3087 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3088 (implicit EFLAGS)]>;
3089 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3090 "sub{w}\t{$src2, $dst|$dst, $src2}",
3091 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3093 (implicit EFLAGS)]>, OpSize;
3094 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3095 "sub{l}\t{$src2, $dst|$dst, $src2}",
3096 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3098 (implicit EFLAGS)]>;
3100 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3101 "sub{b}\t{$src, %al|%al, $src}", []>;
3102 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3103 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3104 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3105 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3106 } // Constraints = ""
3108 let Uses = [EFLAGS] in {
3109 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3110 (ins GR8:$src1, GR8:$src2),
3111 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3112 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3113 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3114 (ins GR16:$src1, GR16:$src2),
3115 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3116 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3117 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3118 (ins GR32:$src1, GR32:$src2),
3119 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3120 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3122 let Constraints = "" in {
3123 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3124 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3125 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3126 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3127 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3128 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3130 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3131 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3132 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3133 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3134 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3135 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3136 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3137 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3138 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3140 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3141 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3142 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3144 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3145 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3146 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3147 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3148 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3149 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3151 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3152 "sbb{b}\t{$src, %al|%al, $src}", []>;
3153 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3154 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3155 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3156 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3157 } // Constraints = ""
3159 let isCodeGenOnly = 1 in {
3160 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3161 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3162 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3163 (ins GR16:$src1, GR16:$src2),
3164 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3165 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3166 (ins GR32:$src1, GR32:$src2),
3167 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3170 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3171 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3172 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3173 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3174 (ins GR16:$src1, i16mem:$src2),
3175 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3176 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3178 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3179 (ins GR32:$src1, i32mem:$src2),
3180 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3181 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3182 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3183 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3184 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3185 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3186 (ins GR16:$src1, i16imm:$src2),
3187 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3188 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3189 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3190 (ins GR16:$src1, i16i8imm:$src2),
3191 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3192 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3194 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3195 (ins GR32:$src1, i32imm:$src2),
3196 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3197 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3198 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3199 (ins GR32:$src1, i32i8imm:$src2),
3200 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3201 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3202 } // Uses = [EFLAGS]
3203 } // Defs = [EFLAGS]
3205 let Defs = [EFLAGS] in {
3206 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3207 // Register-Register Signed Integer Multiply
3208 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3209 "imul{w}\t{$src2, $dst|$dst, $src2}",
3210 [(set GR16:$dst, EFLAGS,
3211 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3212 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3213 "imul{l}\t{$src2, $dst|$dst, $src2}",
3214 [(set GR32:$dst, EFLAGS,
3215 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3218 // Register-Memory Signed Integer Multiply
3219 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3220 (ins GR16:$src1, i16mem:$src2),
3221 "imul{w}\t{$src2, $dst|$dst, $src2}",
3222 [(set GR16:$dst, EFLAGS,
3223 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3225 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3226 (ins GR32:$src1, i32mem:$src2),
3227 "imul{l}\t{$src2, $dst|$dst, $src2}",
3228 [(set GR32:$dst, EFLAGS,
3229 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3230 } // Defs = [EFLAGS]
3231 } // end Two Address instructions
3233 // Suprisingly enough, these are not two address instructions!
3234 let Defs = [EFLAGS] in {
3235 // Register-Integer Signed Integer Multiply
3236 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3237 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3238 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3239 [(set GR16:$dst, EFLAGS,
3240 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3241 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3242 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3243 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3244 [(set GR32:$dst, EFLAGS,
3245 (X86smul_flag GR32:$src1, imm:$src2))]>;
3246 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3247 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3248 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3249 [(set GR16:$dst, EFLAGS,
3250 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3252 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3253 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3254 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3255 [(set GR32:$dst, EFLAGS,
3256 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3258 // Memory-Integer Signed Integer Multiply
3259 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3260 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3261 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3262 [(set GR16:$dst, EFLAGS,
3263 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3265 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3266 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3267 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3268 [(set GR32:$dst, EFLAGS,
3269 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3270 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3271 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3272 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3273 [(set GR16:$dst, EFLAGS,
3274 (X86smul_flag (load addr:$src1),
3275 i16immSExt8:$src2))]>, OpSize;
3276 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3277 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3278 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3279 [(set GR32:$dst, EFLAGS,
3280 (X86smul_flag (load addr:$src1),
3281 i32immSExt8:$src2))]>;
3282 } // Defs = [EFLAGS]
3284 //===----------------------------------------------------------------------===//
3285 // Test instructions are just like AND, except they don't generate a result.
3287 let Defs = [EFLAGS] in {
3288 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3289 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3290 "test{b}\t{$src2, $src1|$src1, $src2}",
3291 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3292 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3293 "test{w}\t{$src2, $src1|$src1, $src2}",
3294 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3297 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3298 "test{l}\t{$src2, $src1|$src1, $src2}",
3299 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3303 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3304 "test{b}\t{$src, %al|%al, $src}", []>;
3305 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3306 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3307 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3308 "test{l}\t{$src, %eax|%eax, $src}", []>;
3310 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3311 "test{b}\t{$src2, $src1|$src1, $src2}",
3312 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3314 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3315 "test{w}\t{$src2, $src1|$src1, $src2}",
3316 [(set EFLAGS, (X86cmp (and GR16:$src1,
3317 (loadi16 addr:$src2)), 0))]>, OpSize;
3318 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3319 "test{l}\t{$src2, $src1|$src1, $src2}",
3320 [(set EFLAGS, (X86cmp (and GR32:$src1,
3321 (loadi32 addr:$src2)), 0))]>;
3323 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3324 (outs), (ins GR8:$src1, i8imm:$src2),
3325 "test{b}\t{$src2, $src1|$src1, $src2}",
3326 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3327 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3328 (outs), (ins GR16:$src1, i16imm:$src2),
3329 "test{w}\t{$src2, $src1|$src1, $src2}",
3330 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3332 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3333 (outs), (ins GR32:$src1, i32imm:$src2),
3334 "test{l}\t{$src2, $src1|$src1, $src2}",
3335 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3337 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3338 (outs), (ins i8mem:$src1, i8imm:$src2),
3339 "test{b}\t{$src2, $src1|$src1, $src2}",
3340 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3342 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3343 (outs), (ins i16mem:$src1, i16imm:$src2),
3344 "test{w}\t{$src2, $src1|$src1, $src2}",
3345 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3347 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3348 (outs), (ins i32mem:$src1, i32imm:$src2),
3349 "test{l}\t{$src2, $src1|$src1, $src2}",
3350 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3352 } // Defs = [EFLAGS]
3355 // Condition code ops, incl. set if equal/not equal/...
3356 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3357 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3358 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3359 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3361 let Uses = [EFLAGS] in {
3362 // Use sbb to materialize carry bit.
3363 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3364 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3365 // However, Pat<> can't replicate the destination reg into the inputs of the
3367 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3369 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3370 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3371 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3372 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3374 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3375 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3378 def SETEr : I<0x94, MRM0r,
3379 (outs GR8 :$dst), (ins),
3381 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3383 def SETEm : I<0x94, MRM0m,
3384 (outs), (ins i8mem:$dst),
3386 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3389 def SETNEr : I<0x95, MRM0r,
3390 (outs GR8 :$dst), (ins),
3392 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3394 def SETNEm : I<0x95, MRM0m,
3395 (outs), (ins i8mem:$dst),
3397 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3400 def SETLr : I<0x9C, MRM0r,
3401 (outs GR8 :$dst), (ins),
3403 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3404 TB; // GR8 = < signed
3405 def SETLm : I<0x9C, MRM0m,
3406 (outs), (ins i8mem:$dst),
3408 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3409 TB; // [mem8] = < signed
3411 def SETGEr : I<0x9D, MRM0r,
3412 (outs GR8 :$dst), (ins),
3414 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3415 TB; // GR8 = >= signed
3416 def SETGEm : I<0x9D, MRM0m,
3417 (outs), (ins i8mem:$dst),
3419 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3420 TB; // [mem8] = >= signed
3422 def SETLEr : I<0x9E, MRM0r,
3423 (outs GR8 :$dst), (ins),
3425 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3426 TB; // GR8 = <= signed
3427 def SETLEm : I<0x9E, MRM0m,
3428 (outs), (ins i8mem:$dst),
3430 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3431 TB; // [mem8] = <= signed
3433 def SETGr : I<0x9F, MRM0r,
3434 (outs GR8 :$dst), (ins),
3436 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3437 TB; // GR8 = > signed
3438 def SETGm : I<0x9F, MRM0m,
3439 (outs), (ins i8mem:$dst),
3441 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3442 TB; // [mem8] = > signed
3444 def SETBr : I<0x92, MRM0r,
3445 (outs GR8 :$dst), (ins),
3447 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3448 TB; // GR8 = < unsign
3449 def SETBm : I<0x92, MRM0m,
3450 (outs), (ins i8mem:$dst),
3452 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3453 TB; // [mem8] = < unsign
3455 def SETAEr : I<0x93, MRM0r,
3456 (outs GR8 :$dst), (ins),
3458 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3459 TB; // GR8 = >= unsign
3460 def SETAEm : I<0x93, MRM0m,
3461 (outs), (ins i8mem:$dst),
3463 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3464 TB; // [mem8] = >= unsign
3466 def SETBEr : I<0x96, MRM0r,
3467 (outs GR8 :$dst), (ins),
3469 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3470 TB; // GR8 = <= unsign
3471 def SETBEm : I<0x96, MRM0m,
3472 (outs), (ins i8mem:$dst),
3474 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3475 TB; // [mem8] = <= unsign
3477 def SETAr : I<0x97, MRM0r,
3478 (outs GR8 :$dst), (ins),
3480 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3481 TB; // GR8 = > signed
3482 def SETAm : I<0x97, MRM0m,
3483 (outs), (ins i8mem:$dst),
3485 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3486 TB; // [mem8] = > signed
3488 def SETSr : I<0x98, MRM0r,
3489 (outs GR8 :$dst), (ins),
3491 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3492 TB; // GR8 = <sign bit>
3493 def SETSm : I<0x98, MRM0m,
3494 (outs), (ins i8mem:$dst),
3496 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3497 TB; // [mem8] = <sign bit>
3498 def SETNSr : I<0x99, MRM0r,
3499 (outs GR8 :$dst), (ins),
3501 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3502 TB; // GR8 = !<sign bit>
3503 def SETNSm : I<0x99, MRM0m,
3504 (outs), (ins i8mem:$dst),
3506 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3507 TB; // [mem8] = !<sign bit>
3509 def SETPr : I<0x9A, MRM0r,
3510 (outs GR8 :$dst), (ins),
3512 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3514 def SETPm : I<0x9A, MRM0m,
3515 (outs), (ins i8mem:$dst),
3517 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3518 TB; // [mem8] = parity
3519 def SETNPr : I<0x9B, MRM0r,
3520 (outs GR8 :$dst), (ins),
3522 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3523 TB; // GR8 = not parity
3524 def SETNPm : I<0x9B, MRM0m,
3525 (outs), (ins i8mem:$dst),
3527 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3528 TB; // [mem8] = not parity
3530 def SETOr : I<0x90, MRM0r,
3531 (outs GR8 :$dst), (ins),
3533 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3534 TB; // GR8 = overflow
3535 def SETOm : I<0x90, MRM0m,
3536 (outs), (ins i8mem:$dst),
3538 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3539 TB; // [mem8] = overflow
3540 def SETNOr : I<0x91, MRM0r,
3541 (outs GR8 :$dst), (ins),
3543 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3544 TB; // GR8 = not overflow
3545 def SETNOm : I<0x91, MRM0m,
3546 (outs), (ins i8mem:$dst),
3548 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3549 TB; // [mem8] = not overflow
3550 } // Uses = [EFLAGS]
3553 // Integer comparisons
3554 let Defs = [EFLAGS] in {
3555 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3556 "cmp{b}\t{$src, %al|%al, $src}", []>;
3557 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3558 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3559 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3560 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3562 def CMP8rr : I<0x38, MRMDestReg,
3563 (outs), (ins GR8 :$src1, GR8 :$src2),
3564 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3565 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3566 def CMP16rr : I<0x39, MRMDestReg,
3567 (outs), (ins GR16:$src1, GR16:$src2),
3568 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3569 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3570 def CMP32rr : I<0x39, MRMDestReg,
3571 (outs), (ins GR32:$src1, GR32:$src2),
3572 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3573 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3574 def CMP8mr : I<0x38, MRMDestMem,
3575 (outs), (ins i8mem :$src1, GR8 :$src2),
3576 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3577 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3578 def CMP16mr : I<0x39, MRMDestMem,
3579 (outs), (ins i16mem:$src1, GR16:$src2),
3580 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3581 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3583 def CMP32mr : I<0x39, MRMDestMem,
3584 (outs), (ins i32mem:$src1, GR32:$src2),
3585 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3586 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3587 def CMP8rm : I<0x3A, MRMSrcMem,
3588 (outs), (ins GR8 :$src1, i8mem :$src2),
3589 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3590 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3591 def CMP16rm : I<0x3B, MRMSrcMem,
3592 (outs), (ins GR16:$src1, i16mem:$src2),
3593 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3594 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3596 def CMP32rm : I<0x3B, MRMSrcMem,
3597 (outs), (ins GR32:$src1, i32mem:$src2),
3598 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3599 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3601 // These are alternate spellings for use by the disassembler, we mark them as
3602 // code gen only to ensure they aren't matched by the assembler.
3603 let isCodeGenOnly = 1 in {
3604 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3605 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3606 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3607 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3608 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3609 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3612 def CMP8ri : Ii8<0x80, MRM7r,
3613 (outs), (ins GR8:$src1, i8imm:$src2),
3614 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3615 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3616 def CMP16ri : Ii16<0x81, MRM7r,
3617 (outs), (ins GR16:$src1, i16imm:$src2),
3618 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3619 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3620 def CMP32ri : Ii32<0x81, MRM7r,
3621 (outs), (ins GR32:$src1, i32imm:$src2),
3622 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3623 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3624 def CMP8mi : Ii8 <0x80, MRM7m,
3625 (outs), (ins i8mem :$src1, i8imm :$src2),
3626 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3627 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3628 def CMP16mi : Ii16<0x81, MRM7m,
3629 (outs), (ins i16mem:$src1, i16imm:$src2),
3630 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3631 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3633 def CMP32mi : Ii32<0x81, MRM7m,
3634 (outs), (ins i32mem:$src1, i32imm:$src2),
3635 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3636 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3637 def CMP16ri8 : Ii8<0x83, MRM7r,
3638 (outs), (ins GR16:$src1, i16i8imm:$src2),
3639 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3640 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3642 def CMP16mi8 : Ii8<0x83, MRM7m,
3643 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3644 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3645 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3646 i16immSExt8:$src2))]>, OpSize;
3647 def CMP32mi8 : Ii8<0x83, MRM7m,
3648 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3649 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3650 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3651 i32immSExt8:$src2))]>;
3652 def CMP32ri8 : Ii8<0x83, MRM7r,
3653 (outs), (ins GR32:$src1, i32i8imm:$src2),
3654 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3655 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3656 } // Defs = [EFLAGS]
3659 // TODO: BTC, BTR, and BTS
3660 let Defs = [EFLAGS] in {
3661 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3662 "bt{w}\t{$src2, $src1|$src1, $src2}",
3663 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3664 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3665 "bt{l}\t{$src2, $src1|$src1, $src2}",
3666 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3668 // Unlike with the register+register form, the memory+register form of the
3669 // bt instruction does not ignore the high bits of the index. From ISel's
3670 // perspective, this is pretty bizarre. Make these instructions disassembly
3673 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3674 "bt{w}\t{$src2, $src1|$src1, $src2}",
3675 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3676 // (implicit EFLAGS)]
3678 >, OpSize, TB, Requires<[FastBTMem]>;
3679 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3680 "bt{l}\t{$src2, $src1|$src1, $src2}",
3681 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3682 // (implicit EFLAGS)]
3684 >, TB, Requires<[FastBTMem]>;
3686 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3687 "bt{w}\t{$src2, $src1|$src1, $src2}",
3688 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3690 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3691 "bt{l}\t{$src2, $src1|$src1, $src2}",
3692 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3693 // Note that these instructions don't need FastBTMem because that
3694 // only applies when the other operand is in a register. When it's
3695 // an immediate, bt is still fast.
3696 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3697 "bt{w}\t{$src2, $src1|$src1, $src2}",
3698 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3700 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3701 "bt{l}\t{$src2, $src1|$src1, $src2}",
3702 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3705 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3706 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3707 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3708 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3709 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3710 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3711 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3712 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3713 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3714 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3715 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3716 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3717 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3718 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3719 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3720 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3722 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3723 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3724 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3725 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3726 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3727 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3728 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3729 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3730 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3731 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3732 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3733 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3734 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3735 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3736 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3737 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3739 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3740 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3741 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3742 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3743 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3744 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3745 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3746 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3747 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3748 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3749 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3750 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3751 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3752 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3753 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3754 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3755 } // Defs = [EFLAGS]
3757 // Sign/Zero extenders
3758 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3759 // of the register here. This has a smaller encoding and avoids a
3760 // partial-register update. Actual movsbw included for the disassembler.
3761 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3762 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3763 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3764 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3765 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3766 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3767 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3768 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3769 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3770 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3771 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3772 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3773 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3774 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3775 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3776 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3777 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3778 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3779 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3780 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3782 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3783 // of the register here. This has a smaller encoding and avoids a
3784 // partial-register update. Actual movzbw included for the disassembler.
3785 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3786 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3787 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3788 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3789 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3790 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3791 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3792 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3793 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3794 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3795 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3796 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3797 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3798 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3799 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3800 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3801 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3802 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3803 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3804 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3806 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3807 // except that they use GR32_NOREX for the output operand register class
3808 // instead of GR32. This allows them to operate on h registers on x86-64.
3809 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3810 (outs GR32_NOREX:$dst), (ins GR8:$src),
3811 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3814 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3815 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3816 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3819 let neverHasSideEffects = 1 in {
3820 let Defs = [AX], Uses = [AL] in
3821 def CBW : I<0x98, RawFrm, (outs), (ins),
3822 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3823 let Defs = [EAX], Uses = [AX] in
3824 def CWDE : I<0x98, RawFrm, (outs), (ins),
3825 "{cwtl|cwde}", []>; // EAX = signext(AX)
3827 let Defs = [AX,DX], Uses = [AX] in
3828 def CWD : I<0x99, RawFrm, (outs), (ins),
3829 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3830 let Defs = [EAX,EDX], Uses = [EAX] in
3831 def CDQ : I<0x99, RawFrm, (outs), (ins),
3832 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3835 //===----------------------------------------------------------------------===//
3836 // Alias Instructions
3837 //===----------------------------------------------------------------------===//
3839 // Alias instructions that map movr0 to xor.
3840 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3841 // FIXME: Set encoding to pseudo.
3842 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3843 isCodeGenOnly = 1 in {
3844 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3845 [(set GR8:$dst, 0)]>;
3847 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3848 // encoding and avoids a partial-register update sometimes, but doing so
3849 // at isel time interferes with rematerialization in the current register
3850 // allocator. For now, this is rewritten when the instruction is lowered
3852 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3854 [(set GR16:$dst, 0)]>, OpSize;
3856 // FIXME: Set encoding to pseudo.
3857 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3858 [(set GR32:$dst, 0)]>;
3861 //===----------------------------------------------------------------------===//
3862 // Thread Local Storage Instructions
3866 // All calls clobber the non-callee saved registers. ESP is marked as
3867 // a use to prevent stack-pointer assignments that appear immediately
3868 // before calls from potentially appearing dead.
3869 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3870 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3871 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3872 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3874 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3875 "leal\t$sym, %eax; "
3876 "call\t___tls_get_addr@PLT",
3877 [(X86tlsaddr tls32addr:$sym)]>,
3878 Requires<[In32BitMode]>;
3880 // Darwin TLS Support
3881 // For i386, the address of the thunk is passed on the stack, on return the
3882 // address of the variable is in %eax. %ecx is trashed during the function
3883 // call. All other registers are preserved.
3884 let Defs = [EAX, ECX],
3886 usesCustomInserter = 1 in
3887 def TLSCall_32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3889 [(X86TLSCall addr:$sym)]>,
3890 Requires<[In32BitMode]>;
3892 let AddedComplexity = 5, isCodeGenOnly = 1 in
3893 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3894 "movl\t%gs:$src, $dst",
3895 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3897 let AddedComplexity = 5, isCodeGenOnly = 1 in
3898 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3899 "movl\t%fs:$src, $dst",
3900 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3902 //===----------------------------------------------------------------------===//
3903 // EH Pseudo Instructions
3905 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3906 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3907 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3908 "ret\t#eh_return, addr: $addr",
3909 [(X86ehret GR32:$addr)]>;
3913 //===----------------------------------------------------------------------===//
3918 let hasSideEffects = 1 in {
3919 def Int_MemBarrier : I<0, Pseudo, (outs), (ins),
3921 [(X86MemBarrier)]>, Requires<[HasSSE2]>;
3923 let Uses = [ESP], isCodeGenOnly = 1 in
3924 def Int_MemBarrierNoSSE : I<0x0B, Pseudo, (outs), (ins GR32:$zero),
3926 "or{l}\t{$zero, (%esp)|(%esp), $zero}",
3927 [(X86MemBarrierNoSSE GR32:$zero)]>, LOCK;
3930 // Atomic swap. These are just normal xchg instructions. But since a memory
3931 // operand is referenced, the atomicity is ensured.
3932 let Constraints = "$val = $dst" in {
3933 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3934 (ins GR32:$val, i32mem:$ptr),
3935 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3936 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3937 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3938 (ins GR16:$val, i16mem:$ptr),
3939 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3940 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3942 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3943 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3944 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3946 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3947 "xchg{l}\t{$val, $src|$src, $val}", []>;
3948 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3949 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3950 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3951 "xchg{b}\t{$val, $src|$src, $val}", []>;
3954 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3955 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3956 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3957 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3959 // Atomic compare and swap.
3960 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3961 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3963 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3964 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3966 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3967 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3970 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3973 let Defs = [AX, EFLAGS], Uses = [AX] in {
3974 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3976 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3977 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3979 let Defs = [AL, EFLAGS], Uses = [AL] in {
3980 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3982 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3983 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3986 // Atomic exchange and add
3987 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3988 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3990 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3991 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3993 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3995 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3996 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3998 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
4000 "xadd{b}\t{$val, $ptr|$ptr, $val}",
4001 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
4005 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4006 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
4007 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4008 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4009 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4010 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4012 let mayLoad = 1, mayStore = 1 in {
4013 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4014 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
4015 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4016 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4017 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4018 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4021 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4022 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4023 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4024 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4025 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4026 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4028 let mayLoad = 1, mayStore = 1 in {
4029 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4030 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4031 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4032 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4033 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4034 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4037 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
4038 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
4039 "cmpxchg8b\t$dst", []>, TB;
4041 // Optimized codegen when the non-memory output is not used.
4042 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
4043 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
4044 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
4046 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4047 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4049 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4050 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4052 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4053 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
4055 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4056 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
4058 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4059 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
4061 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4062 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4064 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4065 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4067 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4069 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
4071 "inc{b}\t$dst", []>, LOCK;
4072 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
4074 "inc{w}\t$dst", []>, OpSize, LOCK;
4075 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
4077 "inc{l}\t$dst", []>, LOCK;
4079 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
4081 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4082 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4084 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4085 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4087 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4088 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
4090 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4091 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
4093 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4094 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
4096 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4097 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4099 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4100 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4102 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4104 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
4106 "dec{b}\t$dst", []>, LOCK;
4107 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
4109 "dec{w}\t$dst", []>, OpSize, LOCK;
4110 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
4112 "dec{l}\t$dst", []>, LOCK;
4115 // Atomic exchange, and, or, xor
4116 let Constraints = "$val = $dst", Defs = [EFLAGS],
4117 usesCustomInserter = 1 in {
4118 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4119 "#ATOMAND32 PSEUDO!",
4120 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4121 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4122 "#ATOMOR32 PSEUDO!",
4123 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4124 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4125 "#ATOMXOR32 PSEUDO!",
4126 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4127 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4128 "#ATOMNAND32 PSEUDO!",
4129 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4130 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4131 "#ATOMMIN32 PSEUDO!",
4132 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4133 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4134 "#ATOMMAX32 PSEUDO!",
4135 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4136 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4137 "#ATOMUMIN32 PSEUDO!",
4138 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4139 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4140 "#ATOMUMAX32 PSEUDO!",
4141 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4143 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4144 "#ATOMAND16 PSEUDO!",
4145 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4146 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4147 "#ATOMOR16 PSEUDO!",
4148 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4149 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4150 "#ATOMXOR16 PSEUDO!",
4151 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4152 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4153 "#ATOMNAND16 PSEUDO!",
4154 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4155 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4156 "#ATOMMIN16 PSEUDO!",
4157 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4158 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4159 "#ATOMMAX16 PSEUDO!",
4160 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4161 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4162 "#ATOMUMIN16 PSEUDO!",
4163 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4164 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4165 "#ATOMUMAX16 PSEUDO!",
4166 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4168 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4169 "#ATOMAND8 PSEUDO!",
4170 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4171 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4173 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4174 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4175 "#ATOMXOR8 PSEUDO!",
4176 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4177 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4178 "#ATOMNAND8 PSEUDO!",
4179 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4182 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4183 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4184 Uses = [EAX, EBX, ECX, EDX],
4185 mayLoad = 1, mayStore = 1,
4186 usesCustomInserter = 1 in {
4187 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4188 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4189 "#ATOMAND6432 PSEUDO!", []>;
4190 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4191 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4192 "#ATOMOR6432 PSEUDO!", []>;
4193 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4194 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4195 "#ATOMXOR6432 PSEUDO!", []>;
4196 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4197 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4198 "#ATOMNAND6432 PSEUDO!", []>;
4199 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4200 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4201 "#ATOMADD6432 PSEUDO!", []>;
4202 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4203 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4204 "#ATOMSUB6432 PSEUDO!", []>;
4205 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4206 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4207 "#ATOMSWAP6432 PSEUDO!", []>;
4210 // Segmentation support instructions.
4212 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4213 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4214 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4215 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4217 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4218 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4219 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4220 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4221 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4223 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4224 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4225 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4226 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4227 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4228 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4229 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4230 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4232 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4234 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4235 "str{w}\t{$dst}", []>, TB;
4236 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4237 "str{w}\t{$dst}", []>, TB;
4238 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4239 "ltr{w}\t{$src}", []>, TB;
4240 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4241 "ltr{w}\t{$src}", []>, TB;
4243 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4244 "push{w}\t%fs", []>, OpSize, TB;
4245 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4246 "push{l}\t%fs", []>, TB;
4247 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4248 "push{w}\t%gs", []>, OpSize, TB;
4249 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4250 "push{l}\t%gs", []>, TB;
4252 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4253 "pop{w}\t%fs", []>, OpSize, TB;
4254 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4255 "pop{l}\t%fs", []>, TB;
4256 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4257 "pop{w}\t%gs", []>, OpSize, TB;
4258 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4259 "pop{l}\t%gs", []>, TB;
4261 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4262 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4263 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4264 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4265 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4266 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4267 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4268 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4269 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4270 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4271 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4272 "les{l}\t{$src, $dst|$dst, $src}", []>;
4273 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4274 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4275 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4276 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4277 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4278 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4279 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4280 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4282 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4283 "verr\t$seg", []>, TB;
4284 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4285 "verr\t$seg", []>, TB;
4286 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4287 "verw\t$seg", []>, TB;
4288 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4289 "verw\t$seg", []>, TB;
4291 // Descriptor-table support instructions
4293 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4294 "sgdt\t$dst", []>, TB;
4295 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4296 "sidt\t$dst", []>, TB;
4297 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4298 "sldt{w}\t$dst", []>, TB;
4299 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4300 "sldt{w}\t$dst", []>, TB;
4301 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4302 "lgdt\t$src", []>, TB;
4303 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4304 "lidt\t$src", []>, TB;
4305 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4306 "lldt{w}\t$src", []>, TB;
4307 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4308 "lldt{w}\t$src", []>, TB;
4310 // Lock instruction prefix
4311 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4313 // Repeat string operation instruction prefixes
4314 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4315 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4316 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4317 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4318 // Repeat while not equal (used with CMPS and SCAS)
4319 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4322 // Segment override instruction prefixes
4323 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4324 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4325 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4326 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4327 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4328 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4330 // String manipulation instructions
4332 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4333 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4334 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4336 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4337 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4338 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4340 // CPU flow control instructions
4342 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4343 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4345 // FPU control instructions
4347 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4349 // Flag instructions
4351 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4352 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4353 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4354 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4355 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4356 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4357 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4359 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4361 // Table lookup instructions
4363 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4365 // Specialized register support
4367 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4368 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4369 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4371 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4372 "smsw{w}\t$dst", []>, OpSize, TB;
4373 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4374 "smsw{l}\t$dst", []>, TB;
4375 // For memory operands, there is only a 16-bit form
4376 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4377 "smsw{w}\t$dst", []>, TB;
4379 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4380 "lmsw{w}\t$src", []>, TB;
4381 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4382 "lmsw{w}\t$src", []>, TB;
4384 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4386 // Cache instructions
4388 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4389 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4394 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4396 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4398 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4399 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4400 "vmclear\t$vmcs", []>, OpSize, TB;
4402 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4404 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4405 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4406 "vmptrld\t$vmcs", []>, TB;
4407 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4408 "vmptrst\t$vmcs", []>, TB;
4409 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4410 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4411 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4412 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4413 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4414 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4415 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4416 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4417 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4418 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4419 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4420 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4421 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4422 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4423 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4424 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4426 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4427 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4428 "vmxon\t{$vmxon}", []>, XS;
4430 //===----------------------------------------------------------------------===//
4431 // Non-Instruction Patterns
4432 //===----------------------------------------------------------------------===//
4434 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4435 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4436 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4437 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4438 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4439 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4440 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4442 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4443 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4444 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4445 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4446 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4447 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4448 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4449 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4450 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4451 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4453 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4454 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4455 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4456 (MOV32mi addr:$dst, texternalsym:$src)>;
4457 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4458 (MOV32mi addr:$dst, tblockaddress:$src)>;
4462 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4463 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4464 Requires<[In32BitMode]>;
4466 // FIXME: This is disabled for 32-bit PIC mode because the global base
4467 // register which is part of the address mode may be assigned a
4468 // callee-saved register.
4469 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4470 (TCRETURNmi addr:$dst, imm:$off)>,
4471 Requires<[In32BitMode, IsNotPIC]>;
4473 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4474 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4475 Requires<[In32BitMode]>;
4477 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4478 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4479 Requires<[In32BitMode]>;
4481 // Normal calls, with various flavors of addresses.
4482 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4483 (CALLpcrel32 tglobaladdr:$dst)>;
4484 def : Pat<(X86call (i32 texternalsym:$dst)),
4485 (CALLpcrel32 texternalsym:$dst)>;
4486 def : Pat<(X86call (i32 imm:$dst)),
4487 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4489 // X86 specific add which produces a flag.
4490 def : Pat<(addc GR32:$src1, GR32:$src2),
4491 (ADD32rr GR32:$src1, GR32:$src2)>;
4492 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4493 (ADD32rm GR32:$src1, addr:$src2)>;
4494 def : Pat<(addc GR32:$src1, imm:$src2),
4495 (ADD32ri GR32:$src1, imm:$src2)>;
4496 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4497 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4499 def : Pat<(subc GR32:$src1, GR32:$src2),
4500 (SUB32rr GR32:$src1, GR32:$src2)>;
4501 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4502 (SUB32rm GR32:$src1, addr:$src2)>;
4503 def : Pat<(subc GR32:$src1, imm:$src2),
4504 (SUB32ri GR32:$src1, imm:$src2)>;
4505 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4506 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4510 // TEST R,R is smaller than CMP R,0
4511 def : Pat<(X86cmp GR8:$src1, 0),
4512 (TEST8rr GR8:$src1, GR8:$src1)>;
4513 def : Pat<(X86cmp GR16:$src1, 0),
4514 (TEST16rr GR16:$src1, GR16:$src1)>;
4515 def : Pat<(X86cmp GR32:$src1, 0),
4516 (TEST32rr GR32:$src1, GR32:$src1)>;
4518 // Conditional moves with folded loads with operands swapped and conditions
4520 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4521 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4522 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4523 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4524 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4525 (CMOVB16rm GR16:$src2, addr:$src1)>;
4526 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4527 (CMOVB32rm GR32:$src2, addr:$src1)>;
4528 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4529 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4530 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4531 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4532 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4533 (CMOVE16rm GR16:$src2, addr:$src1)>;
4534 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4535 (CMOVE32rm GR32:$src2, addr:$src1)>;
4536 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4537 (CMOVA16rm GR16:$src2, addr:$src1)>;
4538 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4539 (CMOVA32rm GR32:$src2, addr:$src1)>;
4540 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4541 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4542 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4543 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4544 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4545 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4546 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4547 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4548 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4549 (CMOVL16rm GR16:$src2, addr:$src1)>;
4550 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4551 (CMOVL32rm GR32:$src2, addr:$src1)>;
4552 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4553 (CMOVG16rm GR16:$src2, addr:$src1)>;
4554 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4555 (CMOVG32rm GR32:$src2, addr:$src1)>;
4556 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4557 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4558 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4559 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4560 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4561 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4562 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4563 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4564 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4565 (CMOVP16rm GR16:$src2, addr:$src1)>;
4566 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4567 (CMOVP32rm GR32:$src2, addr:$src1)>;
4568 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4569 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4570 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4571 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4572 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4573 (CMOVS16rm GR16:$src2, addr:$src1)>;
4574 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4575 (CMOVS32rm GR32:$src2, addr:$src1)>;
4576 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4577 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4578 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4579 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4580 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4581 (CMOVO16rm GR16:$src2, addr:$src1)>;
4582 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4583 (CMOVO32rm GR32:$src2, addr:$src1)>;
4585 // zextload bool -> zextload byte
4586 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4587 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4588 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4590 // extload bool -> extload byte
4591 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4592 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4593 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4594 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4595 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4596 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4598 // anyext. Define these to do an explicit zero-extend to
4599 // avoid partial-register updates.
4600 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4601 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4603 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4604 def : Pat<(i32 (anyext GR16:$src)),
4605 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, sub_16bit)>;
4608 //===----------------------------------------------------------------------===//
4610 //===----------------------------------------------------------------------===//
4612 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4613 // +128 doesn't, so in this special case use a sub instead of an add.
4614 def : Pat<(add GR16:$src1, 128),
4615 (SUB16ri8 GR16:$src1, -128)>;
4616 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4617 (SUB16mi8 addr:$dst, -128)>;
4618 def : Pat<(add GR32:$src1, 128),
4619 (SUB32ri8 GR32:$src1, -128)>;
4620 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4621 (SUB32mi8 addr:$dst, -128)>;
4623 // r & (2^16-1) ==> movz
4624 def : Pat<(and GR32:$src1, 0xffff),
4625 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, sub_16bit))>;
4626 // r & (2^8-1) ==> movz
4627 def : Pat<(and GR32:$src1, 0xff),
4628 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4631 Requires<[In32BitMode]>;
4632 // r & (2^8-1) ==> movz
4633 def : Pat<(and GR16:$src1, 0xff),
4634 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4637 Requires<[In32BitMode]>;
4639 // sext_inreg patterns
4640 def : Pat<(sext_inreg GR32:$src, i16),
4641 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, sub_16bit))>;
4642 def : Pat<(sext_inreg GR32:$src, i8),
4643 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4646 Requires<[In32BitMode]>;
4647 def : Pat<(sext_inreg GR16:$src, i8),
4648 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4651 Requires<[In32BitMode]>;
4654 def : Pat<(i16 (trunc GR32:$src)),
4655 (EXTRACT_SUBREG GR32:$src, sub_16bit)>;
4656 def : Pat<(i8 (trunc GR32:$src)),
4657 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4659 Requires<[In32BitMode]>;
4660 def : Pat<(i8 (trunc GR16:$src)),
4661 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4663 Requires<[In32BitMode]>;
4665 // h-register tricks
4666 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4667 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4669 Requires<[In32BitMode]>;
4670 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4671 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4673 Requires<[In32BitMode]>;
4674 def : Pat<(srl GR16:$src, (i8 8)),
4677 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4680 Requires<[In32BitMode]>;
4681 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4682 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4685 Requires<[In32BitMode]>;
4686 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4687 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4690 Requires<[In32BitMode]>;
4691 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4692 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4695 Requires<[In32BitMode]>;
4696 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4697 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4700 Requires<[In32BitMode]>;
4702 // (shl x, 1) ==> (add x, x)
4703 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4704 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4705 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4707 // (shl x (and y, 31)) ==> (shl x, y)
4708 def : Pat<(shl GR8:$src1, (and CL, 31)),
4709 (SHL8rCL GR8:$src1)>;
4710 def : Pat<(shl GR16:$src1, (and CL, 31)),
4711 (SHL16rCL GR16:$src1)>;
4712 def : Pat<(shl GR32:$src1, (and CL, 31)),
4713 (SHL32rCL GR32:$src1)>;
4714 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4715 (SHL8mCL addr:$dst)>;
4716 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4717 (SHL16mCL addr:$dst)>;
4718 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4719 (SHL32mCL addr:$dst)>;
4721 def : Pat<(srl GR8:$src1, (and CL, 31)),
4722 (SHR8rCL GR8:$src1)>;
4723 def : Pat<(srl GR16:$src1, (and CL, 31)),
4724 (SHR16rCL GR16:$src1)>;
4725 def : Pat<(srl GR32:$src1, (and CL, 31)),
4726 (SHR32rCL GR32:$src1)>;
4727 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4728 (SHR8mCL addr:$dst)>;
4729 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4730 (SHR16mCL addr:$dst)>;
4731 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4732 (SHR32mCL addr:$dst)>;
4734 def : Pat<(sra GR8:$src1, (and CL, 31)),
4735 (SAR8rCL GR8:$src1)>;
4736 def : Pat<(sra GR16:$src1, (and CL, 31)),
4737 (SAR16rCL GR16:$src1)>;
4738 def : Pat<(sra GR32:$src1, (and CL, 31)),
4739 (SAR32rCL GR32:$src1)>;
4740 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4741 (SAR8mCL addr:$dst)>;
4742 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4743 (SAR16mCL addr:$dst)>;
4744 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4745 (SAR32mCL addr:$dst)>;
4747 // (anyext (setcc_carry)) -> (setcc_carry)
4748 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4750 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4752 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4755 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4756 let AddedComplexity = 5 in { // Try this before the selecting to OR
4757 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4758 (ADD16ri GR16:$src1, imm:$src2)>;
4759 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4760 (ADD32ri GR32:$src1, imm:$src2)>;
4761 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4762 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4763 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4764 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4765 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4766 (ADD16rr GR16:$src1, GR16:$src2)>;
4767 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4768 (ADD32rr GR32:$src1, GR32:$src2)>;
4769 } // AddedComplexity
4771 //===----------------------------------------------------------------------===//
4772 // EFLAGS-defining Patterns
4773 //===----------------------------------------------------------------------===//
4776 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4777 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4778 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4781 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4782 (ADD8rm GR8:$src1, addr:$src2)>;
4783 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4784 (ADD16rm GR16:$src1, addr:$src2)>;
4785 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4786 (ADD32rm GR32:$src1, addr:$src2)>;
4789 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4790 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4791 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4792 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4793 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4794 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4795 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4798 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4799 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4800 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4803 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4804 (SUB8rm GR8:$src1, addr:$src2)>;
4805 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4806 (SUB16rm GR16:$src1, addr:$src2)>;
4807 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4808 (SUB32rm GR32:$src1, addr:$src2)>;
4811 def : Pat<(sub GR8:$src1, imm:$src2),
4812 (SUB8ri GR8:$src1, imm:$src2)>;
4813 def : Pat<(sub GR16:$src1, imm:$src2),
4814 (SUB16ri GR16:$src1, imm:$src2)>;
4815 def : Pat<(sub GR32:$src1, imm:$src2),
4816 (SUB32ri GR32:$src1, imm:$src2)>;
4817 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4818 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4819 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4820 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4823 def : Pat<(mul GR16:$src1, GR16:$src2),
4824 (IMUL16rr GR16:$src1, GR16:$src2)>;
4825 def : Pat<(mul GR32:$src1, GR32:$src2),
4826 (IMUL32rr GR32:$src1, GR32:$src2)>;
4829 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4830 (IMUL16rm GR16:$src1, addr:$src2)>;
4831 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4832 (IMUL32rm GR32:$src1, addr:$src2)>;
4835 def : Pat<(mul GR16:$src1, imm:$src2),
4836 (IMUL16rri GR16:$src1, imm:$src2)>;
4837 def : Pat<(mul GR32:$src1, imm:$src2),
4838 (IMUL32rri GR32:$src1, imm:$src2)>;
4839 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4840 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4841 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4842 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4844 // reg = mul mem, imm
4845 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4846 (IMUL16rmi addr:$src1, imm:$src2)>;
4847 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4848 (IMUL32rmi addr:$src1, imm:$src2)>;
4849 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4850 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4851 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4852 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4854 // Optimize multiply by 2 with EFLAGS result.
4855 let AddedComplexity = 2 in {
4856 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4857 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4860 // Patterns for nodes that do not produce flags, for instructions that do.
4863 def : Pat<(add GR8:$src1 , 1), (INC8r GR8:$src1)>;
4864 def : Pat<(add GR16:$src1, 1), (INC16r GR16:$src1)>, Requires<[In32BitMode]>;
4865 def : Pat<(add GR32:$src1, 1), (INC32r GR32:$src1)>, Requires<[In32BitMode]>;
4868 def : Pat<(add GR8:$src1 , -1), (DEC8r GR8:$src1)>;
4869 def : Pat<(add GR16:$src1, -1), (DEC16r GR16:$src1)>, Requires<[In32BitMode]>;
4870 def : Pat<(add GR32:$src1, -1), (DEC32r GR32:$src1)>, Requires<[In32BitMode]>;
4873 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4874 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4875 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4878 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4879 (OR8rm GR8:$src1, addr:$src2)>;
4880 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4881 (OR16rm GR16:$src1, addr:$src2)>;
4882 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4883 (OR32rm GR32:$src1, addr:$src2)>;
4886 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4887 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4888 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4889 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4890 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4891 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4892 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4895 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4896 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4897 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4900 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4901 (XOR8rm GR8:$src1, addr:$src2)>;
4902 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4903 (XOR16rm GR16:$src1, addr:$src2)>;
4904 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4905 (XOR32rm GR32:$src1, addr:$src2)>;
4908 def : Pat<(xor GR8:$src1, imm:$src2),
4909 (XOR8ri GR8:$src1, imm:$src2)>;
4910 def : Pat<(xor GR16:$src1, imm:$src2),
4911 (XOR16ri GR16:$src1, imm:$src2)>;
4912 def : Pat<(xor GR32:$src1, imm:$src2),
4913 (XOR32ri GR32:$src1, imm:$src2)>;
4914 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4915 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4916 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4917 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4920 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4921 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4922 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4925 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4926 (AND8rm GR8:$src1, addr:$src2)>;
4927 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4928 (AND16rm GR16:$src1, addr:$src2)>;
4929 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4930 (AND32rm GR32:$src1, addr:$src2)>;
4933 def : Pat<(and GR8:$src1, imm:$src2),
4934 (AND8ri GR8:$src1, imm:$src2)>;
4935 def : Pat<(and GR16:$src1, imm:$src2),
4936 (AND16ri GR16:$src1, imm:$src2)>;
4937 def : Pat<(and GR32:$src1, imm:$src2),
4938 (AND32ri GR32:$src1, imm:$src2)>;
4939 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4940 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4941 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4942 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4944 //===----------------------------------------------------------------------===//
4945 // Floating Point Stack Support
4946 //===----------------------------------------------------------------------===//
4948 include "X86InstrFPStack.td"
4950 //===----------------------------------------------------------------------===//
4952 //===----------------------------------------------------------------------===//
4954 include "X86Instr64bit.td"
4956 //===----------------------------------------------------------------------===//
4957 // SIMD support (SSE, MMX and AVX)
4958 //===----------------------------------------------------------------------===//
4960 include "X86InstrFragmentsSIMD.td"
4962 //===----------------------------------------------------------------------===//
4963 // XMM Floating point support (requires SSE / SSE2)
4964 //===----------------------------------------------------------------------===//
4966 include "X86InstrSSE.td"
4968 //===----------------------------------------------------------------------===//
4969 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4970 //===----------------------------------------------------------------------===//
4972 include "X86InstrMMX.td"