1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
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>]>;
46 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
48 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
50 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
51 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
52 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
54 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
55 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
58 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
60 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
62 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
64 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
66 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
68 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
70 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
72 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
74 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
75 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
76 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
77 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
79 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
81 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
83 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
84 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
86 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
88 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
89 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
91 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
92 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
94 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
95 [SDNPHasChain, SDNPMayStore,
96 SDNPMayLoad, SDNPMemOperand]>;
97 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
98 [SDNPHasChain, SDNPMayStore,
99 SDNPMayLoad, SDNPMemOperand]>;
100 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
101 [SDNPHasChain, SDNPMayStore,
102 SDNPMayLoad, SDNPMemOperand]>;
103 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
116 [SDNPHasChain, SDNPOptInFlag]>;
118 def X86callseq_start :
119 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
120 [SDNPHasChain, SDNPOutFlag]>;
122 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
123 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
125 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
126 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
128 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
129 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
131 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
132 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
133 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
134 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
137 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
138 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
140 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
141 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
143 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
144 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
145 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
146 SDT_X86SegmentBaseAddress, []>;
148 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
151 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
152 [SDNPHasChain, SDNPOptInFlag]>;
154 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
155 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
156 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
157 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
158 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
159 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
161 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
163 //===----------------------------------------------------------------------===//
164 // X86 Operand Definitions.
167 // *mem - Operand definitions for the funky X86 addressing mode operands.
169 class X86MemOperand<string printMethod> : Operand<iPTR> {
170 let PrintMethod = printMethod;
171 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm, i8imm);
174 def i8mem : X86MemOperand<"printi8mem">;
175 def i16mem : X86MemOperand<"printi16mem">;
176 def i32mem : X86MemOperand<"printi32mem">;
177 def i64mem : X86MemOperand<"printi64mem">;
178 def i128mem : X86MemOperand<"printi128mem">;
179 def f32mem : X86MemOperand<"printf32mem">;
180 def f64mem : X86MemOperand<"printf64mem">;
181 def f80mem : X86MemOperand<"printf80mem">;
182 def f128mem : X86MemOperand<"printf128mem">;
184 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
185 // plain GR64, so that it doesn't potentially require a REX prefix.
186 def i8mem_NOREX : Operand<i64> {
187 let PrintMethod = "printi8mem";
188 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX, i32imm, i8imm);
191 def lea32mem : Operand<i32> {
192 let PrintMethod = "printlea32mem";
193 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
196 def SSECC : Operand<i8> {
197 let PrintMethod = "printSSECC";
200 def piclabel: Operand<i32> {
201 let PrintMethod = "printPICLabel";
204 // A couple of more descriptive operand definitions.
205 // 16-bits but only 8 bits are significant.
206 def i16i8imm : Operand<i16>;
207 // 32-bits but only 8 bits are significant.
208 def i32i8imm : Operand<i32>;
210 // Branch targets have OtherVT type.
211 def brtarget : Operand<OtherVT>;
213 //===----------------------------------------------------------------------===//
214 // X86 Complex Pattern Definitions.
217 // Define X86 specific addressing mode.
218 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
219 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
220 [add, mul, shl, or, frameindex], []>;
222 //===----------------------------------------------------------------------===//
223 // X86 Instruction Predicate Definitions.
224 def HasMMX : Predicate<"Subtarget->hasMMX()">;
225 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
226 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
227 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
228 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
229 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
230 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
231 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
232 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
233 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
234 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
235 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
236 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
237 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
238 def OptForSpeed : Predicate<"!OptForSize">;
239 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
241 //===----------------------------------------------------------------------===//
242 // X86 Instruction Format Definitions.
245 include "X86InstrFormats.td"
247 //===----------------------------------------------------------------------===//
248 // Pattern fragments...
251 // X86 specific condition code. These correspond to CondCode in
252 // X86InstrInfo.h. They must be kept in synch.
253 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
254 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
255 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
256 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
257 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
258 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
259 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
260 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
261 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
262 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
263 def X86_COND_NO : PatLeaf<(i8 10)>;
264 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
265 def X86_COND_NS : PatLeaf<(i8 12)>;
266 def X86_COND_O : PatLeaf<(i8 13)>;
267 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
268 def X86_COND_S : PatLeaf<(i8 15)>;
270 def i16immSExt8 : PatLeaf<(i16 imm), [{
271 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
272 // sign extended field.
273 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
276 def i32immSExt8 : PatLeaf<(i32 imm), [{
277 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
278 // sign extended field.
279 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
282 // Helper fragments for loads.
283 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
284 // known to be 32-bit aligned or better. Ditto for i8 to i16.
285 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
286 LoadSDNode *LD = cast<LoadSDNode>(N);
287 if (const Value *Src = LD->getSrcValue())
288 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
289 if (PT->getAddressSpace() != 0)
291 ISD::LoadExtType ExtType = LD->getExtensionType();
292 if (ExtType == ISD::NON_EXTLOAD)
294 if (ExtType == ISD::EXTLOAD)
295 return LD->getAlignment() >= 2 && !LD->isVolatile();
299 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
300 LoadSDNode *LD = cast<LoadSDNode>(N);
301 if (const Value *Src = LD->getSrcValue())
302 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
303 if (PT->getAddressSpace() != 0)
305 ISD::LoadExtType ExtType = LD->getExtensionType();
306 if (ExtType == ISD::EXTLOAD)
307 return LD->getAlignment() >= 2 && !LD->isVolatile();
311 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
312 LoadSDNode *LD = cast<LoadSDNode>(N);
313 if (const Value *Src = LD->getSrcValue())
314 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
315 if (PT->getAddressSpace() != 0)
317 ISD::LoadExtType ExtType = LD->getExtensionType();
318 if (ExtType == ISD::NON_EXTLOAD)
320 if (ExtType == ISD::EXTLOAD)
321 return LD->getAlignment() >= 4 && !LD->isVolatile();
325 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
326 LoadSDNode *LD = cast<LoadSDNode>(N);
327 if (const Value *Src = LD->getSrcValue())
328 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
329 if (PT->getAddressSpace() != 0)
331 if (LD->isVolatile())
333 ISD::LoadExtType ExtType = LD->getExtensionType();
334 if (ExtType == ISD::NON_EXTLOAD)
336 if (ExtType == ISD::EXTLOAD)
337 return LD->getAlignment() >= 4;
341 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
342 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
343 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
344 return PT->getAddressSpace() == 256;
348 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
349 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
350 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
351 if (PT->getAddressSpace() != 0)
355 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
356 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
357 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
358 if (PT->getAddressSpace() != 0)
363 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
364 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
365 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
366 if (PT->getAddressSpace() != 0)
370 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
371 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
372 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
373 if (PT->getAddressSpace() != 0)
377 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
378 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
379 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
380 if (PT->getAddressSpace() != 0)
385 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
386 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
387 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
389 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
390 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
391 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
392 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
393 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
394 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
396 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
397 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
398 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
399 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
400 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
401 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
404 // An 'and' node with a single use.
405 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
406 return N->hasOneUse();
408 // An 'srl' node with a single use.
409 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
410 return N->hasOneUse();
412 // An 'trunc' node with a single use.
413 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
414 return N->hasOneUse();
417 // 'shld' and 'shrd' instruction patterns. Note that even though these have
418 // the srl and shl in their patterns, the C++ code must still check for them,
419 // because predicates are tested before children nodes are explored.
421 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
422 (or (srl node:$src1, node:$amt1),
423 (shl node:$src2, node:$amt2)), [{
424 assert(N->getOpcode() == ISD::OR);
425 return N->getOperand(0).getOpcode() == ISD::SRL &&
426 N->getOperand(1).getOpcode() == ISD::SHL &&
427 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
428 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
429 N->getOperand(0).getConstantOperandVal(1) ==
430 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
433 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
434 (or (shl node:$src1, node:$amt1),
435 (srl node:$src2, node:$amt2)), [{
436 assert(N->getOpcode() == ISD::OR);
437 return N->getOperand(0).getOpcode() == ISD::SHL &&
438 N->getOperand(1).getOpcode() == ISD::SRL &&
439 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
440 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
441 N->getOperand(0).getConstantOperandVal(1) ==
442 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
445 //===----------------------------------------------------------------------===//
446 // Instruction list...
449 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
450 // a stack adjustment and the codegen must know that they may modify the stack
451 // pointer before prolog-epilog rewriting occurs.
452 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
453 // sub / add which can clobber EFLAGS.
454 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
455 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
457 [(X86callseq_start timm:$amt)]>,
458 Requires<[In32BitMode]>;
459 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
461 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
462 Requires<[In32BitMode]>;
466 let neverHasSideEffects = 1 in
467 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
470 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
471 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
472 "call\t$label\n\tpop{l}\t$reg", []>;
474 //===----------------------------------------------------------------------===//
475 // Control Flow Instructions...
478 // Return instructions.
479 let isTerminator = 1, isReturn = 1, isBarrier = 1,
480 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
481 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
484 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
486 [(X86retflag imm:$amt)]>;
489 // All branches are RawFrm, Void, Branch, and Terminators
490 let isBranch = 1, isTerminator = 1 in
491 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
492 I<opcode, RawFrm, (outs), ins, asm, pattern>;
494 let isBranch = 1, isBarrier = 1 in
495 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
498 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
499 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
500 [(brind GR32:$dst)]>;
501 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
502 [(brind (loadi32 addr:$dst))]>;
505 // Conditional branches
506 let Uses = [EFLAGS] in {
507 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
508 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
509 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
510 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
511 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
512 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
513 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
514 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
515 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
516 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
517 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
518 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
520 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
521 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
522 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
523 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
524 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
525 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
526 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
527 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
529 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
530 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
531 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
532 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
533 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
534 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
535 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
536 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
537 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
538 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
539 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
540 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
543 //===----------------------------------------------------------------------===//
544 // Call Instructions...
547 // All calls clobber the non-callee saved registers. ESP is marked as
548 // a use to prevent stack-pointer assignments that appear immediately
549 // before calls from potentially appearing dead. Uses for argument
550 // registers are added manually.
551 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
552 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
553 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
554 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
556 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
557 "call\t${dst:call}", [(X86call imm:$dst)]>,
558 Requires<[In32BitMode]>;
559 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
560 "call\t{*}$dst", [(X86call GR32:$dst)]>;
561 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
562 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
567 def TAILCALL : I<0, Pseudo, (outs), (ins),
571 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
572 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
573 "#TC_RETURN $dst $offset",
576 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
577 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
578 "#TC_RETURN $dst $offset",
581 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
583 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
585 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
586 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
588 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
589 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
590 "jmp\t{*}$dst # TAILCALL", []>;
592 //===----------------------------------------------------------------------===//
593 // Miscellaneous Instructions...
595 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
596 def LEAVE : I<0xC9, RawFrm,
597 (outs), (ins), "leave", []>;
599 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
601 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
604 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
607 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
608 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
609 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
610 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
612 let isTwoAddress = 1 in // GR32 = bswap GR32
613 def BSWAP32r : I<0xC8, AddRegFrm,
614 (outs GR32:$dst), (ins GR32:$src),
616 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
619 // Bit scan instructions.
620 let Defs = [EFLAGS] in {
621 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
622 "bsf{w}\t{$src, $dst|$dst, $src}",
623 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
624 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
625 "bsf{w}\t{$src, $dst|$dst, $src}",
626 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
627 (implicit EFLAGS)]>, TB;
628 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
629 "bsf{l}\t{$src, $dst|$dst, $src}",
630 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
631 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
632 "bsf{l}\t{$src, $dst|$dst, $src}",
633 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
634 (implicit EFLAGS)]>, TB;
636 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
637 "bsr{w}\t{$src, $dst|$dst, $src}",
638 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
639 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
640 "bsr{w}\t{$src, $dst|$dst, $src}",
641 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
642 (implicit EFLAGS)]>, TB;
643 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
644 "bsr{l}\t{$src, $dst|$dst, $src}",
645 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
646 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
647 "bsr{l}\t{$src, $dst|$dst, $src}",
648 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
649 (implicit EFLAGS)]>, TB;
652 let neverHasSideEffects = 1 in
653 def LEA16r : I<0x8D, MRMSrcMem,
654 (outs GR16:$dst), (ins i32mem:$src),
655 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
656 let isReMaterializable = 1 in
657 def LEA32r : I<0x8D, MRMSrcMem,
658 (outs GR32:$dst), (ins lea32mem:$src),
659 "lea{l}\t{$src|$dst}, {$dst|$src}",
660 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
662 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
663 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
664 [(X86rep_movs i8)]>, REP;
665 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
666 [(X86rep_movs i16)]>, REP, OpSize;
667 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
668 [(X86rep_movs i32)]>, REP;
671 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
672 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
673 [(X86rep_stos i8)]>, REP;
674 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
675 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
676 [(X86rep_stos i16)]>, REP, OpSize;
677 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
678 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
679 [(X86rep_stos i32)]>, REP;
681 let Defs = [RAX, RDX] in
682 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
685 let isBarrier = 1, hasCtrlDep = 1 in {
686 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
689 //===----------------------------------------------------------------------===//
690 // Input/Output Instructions...
692 let Defs = [AL], Uses = [DX] in
693 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
694 "in{b}\t{%dx, %al|%AL, %DX}", []>;
695 let Defs = [AX], Uses = [DX] in
696 def IN16rr : I<0xED, RawFrm, (outs), (ins),
697 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
698 let Defs = [EAX], Uses = [DX] in
699 def IN32rr : I<0xED, RawFrm, (outs), (ins),
700 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
703 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
704 "in{b}\t{$port, %al|%AL, $port}", []>;
706 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
707 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
709 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
710 "in{l}\t{$port, %eax|%EAX, $port}", []>;
712 let Uses = [DX, AL] in
713 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
714 "out{b}\t{%al, %dx|%DX, %AL}", []>;
715 let Uses = [DX, AX] in
716 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
717 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
718 let Uses = [DX, EAX] in
719 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
720 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
723 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
724 "out{b}\t{%al, $port|$port, %AL}", []>;
726 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
727 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
729 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
730 "out{l}\t{%eax, $port|$port, %EAX}", []>;
732 //===----------------------------------------------------------------------===//
733 // Move Instructions...
735 let neverHasSideEffects = 1 in {
736 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
737 "mov{b}\t{$src, $dst|$dst, $src}", []>;
738 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
739 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
740 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
741 "mov{l}\t{$src, $dst|$dst, $src}", []>;
743 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
744 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
745 "mov{b}\t{$src, $dst|$dst, $src}",
746 [(set GR8:$dst, imm:$src)]>;
747 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
748 "mov{w}\t{$src, $dst|$dst, $src}",
749 [(set GR16:$dst, imm:$src)]>, OpSize;
750 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
751 "mov{l}\t{$src, $dst|$dst, $src}",
752 [(set GR32:$dst, imm:$src)]>;
754 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
755 "mov{b}\t{$src, $dst|$dst, $src}",
756 [(store (i8 imm:$src), addr:$dst)]>;
757 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
758 "mov{w}\t{$src, $dst|$dst, $src}",
759 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
760 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
761 "mov{l}\t{$src, $dst|$dst, $src}",
762 [(store (i32 imm:$src), addr:$dst)]>;
764 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
765 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
766 "mov{b}\t{$src, $dst|$dst, $src}",
767 [(set GR8:$dst, (loadi8 addr:$src))]>;
768 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
769 "mov{w}\t{$src, $dst|$dst, $src}",
770 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
771 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
772 "mov{l}\t{$src, $dst|$dst, $src}",
773 [(set GR32:$dst, (loadi32 addr:$src))]>;
776 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
777 "mov{b}\t{$src, $dst|$dst, $src}",
778 [(store GR8:$src, addr:$dst)]>;
779 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
780 "mov{w}\t{$src, $dst|$dst, $src}",
781 [(store GR16:$src, addr:$dst)]>, OpSize;
782 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
783 "mov{l}\t{$src, $dst|$dst, $src}",
784 [(store GR32:$src, addr:$dst)]>;
786 // A version of MOV8mr that uses i8mem_NOREX so that it can be used for
787 // storing h registers, which can't be encoded when a REX prefix is present.
788 def MOV8mr_NOREX : I<0x88, MRMDestMem, (outs), (ins i8mem_NOREX:$dst, GR8:$src),
789 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
791 //===----------------------------------------------------------------------===//
792 // Fixed-Register Multiplication and Division Instructions...
795 // Extra precision multiplication
796 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
797 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
798 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
799 // This probably ought to be moved to a def : Pat<> if the
800 // syntax can be accepted.
801 [(set AL, (mul AL, GR8:$src)),
802 (implicit EFLAGS)]>; // AL,AH = AL*GR8
804 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
805 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
807 []>, OpSize; // AX,DX = AX*GR16
809 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
810 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
812 []>; // EAX,EDX = EAX*GR32
814 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
815 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
817 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
818 // This probably ought to be moved to a def : Pat<> if the
819 // syntax can be accepted.
820 [(set AL, (mul AL, (loadi8 addr:$src))),
821 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
823 let mayLoad = 1, neverHasSideEffects = 1 in {
824 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
825 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
827 []>, OpSize; // AX,DX = AX*[mem16]
829 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
830 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
832 []>; // EAX,EDX = EAX*[mem32]
835 let neverHasSideEffects = 1 in {
836 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
837 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
839 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
840 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
841 OpSize; // AX,DX = AX*GR16
842 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
843 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
844 // EAX,EDX = EAX*GR32
846 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
847 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
848 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
849 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
850 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
851 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
852 let Defs = [EAX,EDX], Uses = [EAX] in
853 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
854 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
856 } // neverHasSideEffects
858 // unsigned division/remainder
859 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
860 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
862 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
863 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
864 "div{w}\t$src", []>, OpSize;
865 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
866 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
869 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
870 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
872 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
873 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
874 "div{w}\t$src", []>, OpSize;
875 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
876 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
880 // Signed division/remainder.
881 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
882 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
883 "idiv{b}\t$src", []>;
884 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
885 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
886 "idiv{w}\t$src", []>, OpSize;
887 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
888 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
889 "idiv{l}\t$src", []>;
890 let mayLoad = 1, mayLoad = 1 in {
891 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
892 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
893 "idiv{b}\t$src", []>;
894 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
895 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
896 "idiv{w}\t$src", []>, OpSize;
897 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
898 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
899 "idiv{l}\t$src", []>;
902 //===----------------------------------------------------------------------===//
903 // Two address Instructions.
905 let isTwoAddress = 1 in {
908 let Uses = [EFLAGS] in {
909 let isCommutable = 1 in {
910 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
911 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
912 "cmovb\t{$src2, $dst|$dst, $src2}",
913 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
914 X86_COND_B, EFLAGS))]>,
916 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
917 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
918 "cmovb\t{$src2, $dst|$dst, $src2}",
919 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
920 X86_COND_B, EFLAGS))]>,
922 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
923 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
924 "cmovae\t{$src2, $dst|$dst, $src2}",
925 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
926 X86_COND_AE, EFLAGS))]>,
928 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
929 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
930 "cmovae\t{$src2, $dst|$dst, $src2}",
931 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
932 X86_COND_AE, EFLAGS))]>,
934 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
935 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
936 "cmove\t{$src2, $dst|$dst, $src2}",
937 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
938 X86_COND_E, EFLAGS))]>,
940 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
941 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
942 "cmove\t{$src2, $dst|$dst, $src2}",
943 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
944 X86_COND_E, EFLAGS))]>,
946 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
947 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
948 "cmovne\t{$src2, $dst|$dst, $src2}",
949 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
950 X86_COND_NE, EFLAGS))]>,
952 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
953 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
954 "cmovne\t{$src2, $dst|$dst, $src2}",
955 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
956 X86_COND_NE, EFLAGS))]>,
958 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
959 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
960 "cmovbe\t{$src2, $dst|$dst, $src2}",
961 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
962 X86_COND_BE, EFLAGS))]>,
964 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
965 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
966 "cmovbe\t{$src2, $dst|$dst, $src2}",
967 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
968 X86_COND_BE, EFLAGS))]>,
970 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
971 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
972 "cmova\t{$src2, $dst|$dst, $src2}",
973 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
974 X86_COND_A, EFLAGS))]>,
976 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
977 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
978 "cmova\t{$src2, $dst|$dst, $src2}",
979 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
980 X86_COND_A, EFLAGS))]>,
982 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
983 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
984 "cmovl\t{$src2, $dst|$dst, $src2}",
985 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
986 X86_COND_L, EFLAGS))]>,
988 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
989 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
990 "cmovl\t{$src2, $dst|$dst, $src2}",
991 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
992 X86_COND_L, EFLAGS))]>,
994 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
995 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
996 "cmovge\t{$src2, $dst|$dst, $src2}",
997 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
998 X86_COND_GE, EFLAGS))]>,
1000 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1001 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1002 "cmovge\t{$src2, $dst|$dst, $src2}",
1003 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1004 X86_COND_GE, EFLAGS))]>,
1006 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1007 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1008 "cmovle\t{$src2, $dst|$dst, $src2}",
1009 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1010 X86_COND_LE, EFLAGS))]>,
1012 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1013 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1014 "cmovle\t{$src2, $dst|$dst, $src2}",
1015 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1016 X86_COND_LE, EFLAGS))]>,
1018 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1019 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1020 "cmovg\t{$src2, $dst|$dst, $src2}",
1021 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1022 X86_COND_G, EFLAGS))]>,
1024 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1025 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1026 "cmovg\t{$src2, $dst|$dst, $src2}",
1027 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1028 X86_COND_G, EFLAGS))]>,
1030 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1031 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1032 "cmovs\t{$src2, $dst|$dst, $src2}",
1033 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1034 X86_COND_S, EFLAGS))]>,
1036 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1037 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1038 "cmovs\t{$src2, $dst|$dst, $src2}",
1039 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1040 X86_COND_S, EFLAGS))]>,
1042 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1043 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1044 "cmovns\t{$src2, $dst|$dst, $src2}",
1045 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1046 X86_COND_NS, EFLAGS))]>,
1048 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1049 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1050 "cmovns\t{$src2, $dst|$dst, $src2}",
1051 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1052 X86_COND_NS, EFLAGS))]>,
1054 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1055 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1056 "cmovp\t{$src2, $dst|$dst, $src2}",
1057 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1058 X86_COND_P, EFLAGS))]>,
1060 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1061 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1062 "cmovp\t{$src2, $dst|$dst, $src2}",
1063 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1064 X86_COND_P, EFLAGS))]>,
1066 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1067 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1068 "cmovnp\t{$src2, $dst|$dst, $src2}",
1069 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1070 X86_COND_NP, EFLAGS))]>,
1072 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1073 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1074 "cmovnp\t{$src2, $dst|$dst, $src2}",
1075 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1076 X86_COND_NP, EFLAGS))]>,
1078 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1079 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1080 "cmovo\t{$src2, $dst|$dst, $src2}",
1081 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1082 X86_COND_O, EFLAGS))]>,
1084 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1085 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1086 "cmovo\t{$src2, $dst|$dst, $src2}",
1087 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1088 X86_COND_O, EFLAGS))]>,
1090 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1091 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1092 "cmovno\t{$src2, $dst|$dst, $src2}",
1093 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1094 X86_COND_NO, EFLAGS))]>,
1096 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1097 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1098 "cmovno\t{$src2, $dst|$dst, $src2}",
1099 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1100 X86_COND_NO, EFLAGS))]>,
1102 } // isCommutable = 1
1104 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1105 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1106 "cmovb\t{$src2, $dst|$dst, $src2}",
1107 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1108 X86_COND_B, EFLAGS))]>,
1110 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1111 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1112 "cmovb\t{$src2, $dst|$dst, $src2}",
1113 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1114 X86_COND_B, EFLAGS))]>,
1116 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1117 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1118 "cmovae\t{$src2, $dst|$dst, $src2}",
1119 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1120 X86_COND_AE, EFLAGS))]>,
1122 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1123 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1124 "cmovae\t{$src2, $dst|$dst, $src2}",
1125 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1126 X86_COND_AE, EFLAGS))]>,
1128 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1129 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1130 "cmove\t{$src2, $dst|$dst, $src2}",
1131 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1132 X86_COND_E, EFLAGS))]>,
1134 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1135 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1136 "cmove\t{$src2, $dst|$dst, $src2}",
1137 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1138 X86_COND_E, EFLAGS))]>,
1140 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1141 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1142 "cmovne\t{$src2, $dst|$dst, $src2}",
1143 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1144 X86_COND_NE, EFLAGS))]>,
1146 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1147 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1148 "cmovne\t{$src2, $dst|$dst, $src2}",
1149 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1150 X86_COND_NE, EFLAGS))]>,
1152 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1153 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1154 "cmovbe\t{$src2, $dst|$dst, $src2}",
1155 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1156 X86_COND_BE, EFLAGS))]>,
1158 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1159 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1160 "cmovbe\t{$src2, $dst|$dst, $src2}",
1161 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1162 X86_COND_BE, EFLAGS))]>,
1164 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1165 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1166 "cmova\t{$src2, $dst|$dst, $src2}",
1167 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1168 X86_COND_A, EFLAGS))]>,
1170 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1171 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1172 "cmova\t{$src2, $dst|$dst, $src2}",
1173 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1174 X86_COND_A, EFLAGS))]>,
1176 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1177 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1178 "cmovl\t{$src2, $dst|$dst, $src2}",
1179 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1180 X86_COND_L, EFLAGS))]>,
1182 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1183 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1184 "cmovl\t{$src2, $dst|$dst, $src2}",
1185 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1186 X86_COND_L, EFLAGS))]>,
1188 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1189 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1190 "cmovge\t{$src2, $dst|$dst, $src2}",
1191 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1192 X86_COND_GE, EFLAGS))]>,
1194 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1195 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1196 "cmovge\t{$src2, $dst|$dst, $src2}",
1197 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1198 X86_COND_GE, EFLAGS))]>,
1200 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1201 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1202 "cmovle\t{$src2, $dst|$dst, $src2}",
1203 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1204 X86_COND_LE, EFLAGS))]>,
1206 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1207 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1208 "cmovle\t{$src2, $dst|$dst, $src2}",
1209 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1210 X86_COND_LE, EFLAGS))]>,
1212 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1213 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1214 "cmovg\t{$src2, $dst|$dst, $src2}",
1215 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1216 X86_COND_G, EFLAGS))]>,
1218 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1219 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1220 "cmovg\t{$src2, $dst|$dst, $src2}",
1221 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1222 X86_COND_G, EFLAGS))]>,
1224 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1225 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1226 "cmovs\t{$src2, $dst|$dst, $src2}",
1227 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1228 X86_COND_S, EFLAGS))]>,
1230 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1231 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1232 "cmovs\t{$src2, $dst|$dst, $src2}",
1233 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1234 X86_COND_S, EFLAGS))]>,
1236 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1237 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1238 "cmovns\t{$src2, $dst|$dst, $src2}",
1239 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1240 X86_COND_NS, EFLAGS))]>,
1242 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1243 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1244 "cmovns\t{$src2, $dst|$dst, $src2}",
1245 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1246 X86_COND_NS, EFLAGS))]>,
1248 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1249 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1250 "cmovp\t{$src2, $dst|$dst, $src2}",
1251 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1252 X86_COND_P, EFLAGS))]>,
1254 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1255 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1256 "cmovp\t{$src2, $dst|$dst, $src2}",
1257 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1258 X86_COND_P, EFLAGS))]>,
1260 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1261 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1262 "cmovnp\t{$src2, $dst|$dst, $src2}",
1263 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1264 X86_COND_NP, EFLAGS))]>,
1266 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1267 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1268 "cmovnp\t{$src2, $dst|$dst, $src2}",
1269 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1270 X86_COND_NP, EFLAGS))]>,
1272 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1273 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1274 "cmovo\t{$src2, $dst|$dst, $src2}",
1275 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1276 X86_COND_O, EFLAGS))]>,
1278 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1279 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1280 "cmovo\t{$src2, $dst|$dst, $src2}",
1281 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1282 X86_COND_O, EFLAGS))]>,
1284 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1285 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1286 "cmovno\t{$src2, $dst|$dst, $src2}",
1287 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1288 X86_COND_NO, EFLAGS))]>,
1290 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1291 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1292 "cmovno\t{$src2, $dst|$dst, $src2}",
1293 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1294 X86_COND_NO, EFLAGS))]>,
1296 } // Uses = [EFLAGS]
1299 // unary instructions
1300 let CodeSize = 2 in {
1301 let Defs = [EFLAGS] in {
1302 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1303 [(set GR8:$dst, (ineg GR8:$src)),
1304 (implicit EFLAGS)]>;
1305 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1306 [(set GR16:$dst, (ineg GR16:$src)),
1307 (implicit EFLAGS)]>, OpSize;
1308 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1309 [(set GR32:$dst, (ineg GR32:$src)),
1310 (implicit EFLAGS)]>;
1311 let isTwoAddress = 0 in {
1312 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1313 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1314 (implicit EFLAGS)]>;
1315 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1316 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1317 (implicit EFLAGS)]>, OpSize;
1318 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1319 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1320 (implicit EFLAGS)]>;
1322 } // Defs = [EFLAGS]
1324 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1325 let AddedComplexity = 15 in {
1326 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1327 [(set GR8:$dst, (not GR8:$src))]>;
1328 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1329 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1330 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1331 [(set GR32:$dst, (not GR32:$src))]>;
1333 let isTwoAddress = 0 in {
1334 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1335 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1336 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1337 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1338 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1339 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1343 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1344 let Defs = [EFLAGS] in {
1346 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1347 [(set GR8:$dst, (add GR8:$src, 1)),
1348 (implicit EFLAGS)]>;
1349 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1350 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1351 [(set GR16:$dst, (add GR16:$src, 1)),
1352 (implicit EFLAGS)]>,
1353 OpSize, Requires<[In32BitMode]>;
1354 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1355 [(set GR32:$dst, (add GR32:$src, 1)),
1356 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1358 let isTwoAddress = 0, CodeSize = 2 in {
1359 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1360 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1361 (implicit EFLAGS)]>;
1362 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1363 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1364 (implicit EFLAGS)]>,
1365 OpSize, Requires<[In32BitMode]>;
1366 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1367 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1368 (implicit EFLAGS)]>,
1369 Requires<[In32BitMode]>;
1373 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1374 [(set GR8:$dst, (add GR8:$src, -1)),
1375 (implicit EFLAGS)]>;
1376 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1377 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1378 [(set GR16:$dst, (add GR16:$src, -1)),
1379 (implicit EFLAGS)]>,
1380 OpSize, Requires<[In32BitMode]>;
1381 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1382 [(set GR32:$dst, (add GR32:$src, -1)),
1383 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1386 let isTwoAddress = 0, CodeSize = 2 in {
1387 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1388 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1389 (implicit EFLAGS)]>;
1390 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1391 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1392 (implicit EFLAGS)]>,
1393 OpSize, Requires<[In32BitMode]>;
1394 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1395 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1396 (implicit EFLAGS)]>,
1397 Requires<[In32BitMode]>;
1399 } // Defs = [EFLAGS]
1401 // Logical operators...
1402 let Defs = [EFLAGS] in {
1403 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1404 def AND8rr : I<0x20, MRMDestReg,
1405 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1406 "and{b}\t{$src2, $dst|$dst, $src2}",
1407 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1408 (implicit EFLAGS)]>;
1409 def AND16rr : I<0x21, MRMDestReg,
1410 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1411 "and{w}\t{$src2, $dst|$dst, $src2}",
1412 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1413 (implicit EFLAGS)]>, OpSize;
1414 def AND32rr : I<0x21, MRMDestReg,
1415 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1416 "and{l}\t{$src2, $dst|$dst, $src2}",
1417 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1418 (implicit EFLAGS)]>;
1421 def AND8rm : I<0x22, MRMSrcMem,
1422 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1423 "and{b}\t{$src2, $dst|$dst, $src2}",
1424 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1425 (implicit EFLAGS)]>;
1426 def AND16rm : I<0x23, MRMSrcMem,
1427 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1428 "and{w}\t{$src2, $dst|$dst, $src2}",
1429 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1430 (implicit EFLAGS)]>, OpSize;
1431 def AND32rm : I<0x23, MRMSrcMem,
1432 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1433 "and{l}\t{$src2, $dst|$dst, $src2}",
1434 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1435 (implicit EFLAGS)]>;
1437 def AND8ri : Ii8<0x80, MRM4r,
1438 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1439 "and{b}\t{$src2, $dst|$dst, $src2}",
1440 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1441 (implicit EFLAGS)]>;
1442 def AND16ri : Ii16<0x81, MRM4r,
1443 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1444 "and{w}\t{$src2, $dst|$dst, $src2}",
1445 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1446 (implicit EFLAGS)]>, OpSize;
1447 def AND32ri : Ii32<0x81, MRM4r,
1448 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1449 "and{l}\t{$src2, $dst|$dst, $src2}",
1450 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1451 (implicit EFLAGS)]>;
1452 def AND16ri8 : Ii8<0x83, MRM4r,
1453 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1454 "and{w}\t{$src2, $dst|$dst, $src2}",
1455 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1456 (implicit EFLAGS)]>,
1458 def AND32ri8 : Ii8<0x83, MRM4r,
1459 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1460 "and{l}\t{$src2, $dst|$dst, $src2}",
1461 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1462 (implicit EFLAGS)]>;
1464 let isTwoAddress = 0 in {
1465 def AND8mr : I<0x20, MRMDestMem,
1466 (outs), (ins i8mem :$dst, GR8 :$src),
1467 "and{b}\t{$src, $dst|$dst, $src}",
1468 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1469 (implicit EFLAGS)]>;
1470 def AND16mr : I<0x21, MRMDestMem,
1471 (outs), (ins i16mem:$dst, GR16:$src),
1472 "and{w}\t{$src, $dst|$dst, $src}",
1473 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1474 (implicit EFLAGS)]>,
1476 def AND32mr : I<0x21, MRMDestMem,
1477 (outs), (ins i32mem:$dst, GR32:$src),
1478 "and{l}\t{$src, $dst|$dst, $src}",
1479 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1480 (implicit EFLAGS)]>;
1481 def AND8mi : Ii8<0x80, MRM4m,
1482 (outs), (ins i8mem :$dst, i8imm :$src),
1483 "and{b}\t{$src, $dst|$dst, $src}",
1484 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1485 (implicit EFLAGS)]>;
1486 def AND16mi : Ii16<0x81, MRM4m,
1487 (outs), (ins i16mem:$dst, i16imm:$src),
1488 "and{w}\t{$src, $dst|$dst, $src}",
1489 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1490 (implicit EFLAGS)]>,
1492 def AND32mi : Ii32<0x81, MRM4m,
1493 (outs), (ins i32mem:$dst, i32imm:$src),
1494 "and{l}\t{$src, $dst|$dst, $src}",
1495 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1496 (implicit EFLAGS)]>;
1497 def AND16mi8 : Ii8<0x83, MRM4m,
1498 (outs), (ins i16mem:$dst, i16i8imm :$src),
1499 "and{w}\t{$src, $dst|$dst, $src}",
1500 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1501 (implicit EFLAGS)]>,
1503 def AND32mi8 : Ii8<0x83, MRM4m,
1504 (outs), (ins i32mem:$dst, i32i8imm :$src),
1505 "and{l}\t{$src, $dst|$dst, $src}",
1506 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1507 (implicit EFLAGS)]>;
1511 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1512 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1513 "or{b}\t{$src2, $dst|$dst, $src2}",
1514 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1515 (implicit EFLAGS)]>;
1516 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1517 "or{w}\t{$src2, $dst|$dst, $src2}",
1518 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1519 (implicit EFLAGS)]>, OpSize;
1520 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1521 "or{l}\t{$src2, $dst|$dst, $src2}",
1522 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1523 (implicit EFLAGS)]>;
1525 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1526 "or{b}\t{$src2, $dst|$dst, $src2}",
1527 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1528 (implicit EFLAGS)]>;
1529 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1530 "or{w}\t{$src2, $dst|$dst, $src2}",
1531 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1532 (implicit EFLAGS)]>, OpSize;
1533 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1534 "or{l}\t{$src2, $dst|$dst, $src2}",
1535 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1536 (implicit EFLAGS)]>;
1538 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1539 "or{b}\t{$src2, $dst|$dst, $src2}",
1540 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1541 (implicit EFLAGS)]>;
1542 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1543 "or{w}\t{$src2, $dst|$dst, $src2}",
1544 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1545 (implicit EFLAGS)]>, OpSize;
1546 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1547 "or{l}\t{$src2, $dst|$dst, $src2}",
1548 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1549 (implicit EFLAGS)]>;
1551 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1552 "or{w}\t{$src2, $dst|$dst, $src2}",
1553 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1554 (implicit EFLAGS)]>, OpSize;
1555 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1556 "or{l}\t{$src2, $dst|$dst, $src2}",
1557 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1558 (implicit EFLAGS)]>;
1559 let isTwoAddress = 0 in {
1560 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1561 "or{b}\t{$src, $dst|$dst, $src}",
1562 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1563 (implicit EFLAGS)]>;
1564 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1565 "or{w}\t{$src, $dst|$dst, $src}",
1566 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1567 (implicit EFLAGS)]>, OpSize;
1568 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1569 "or{l}\t{$src, $dst|$dst, $src}",
1570 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1571 (implicit EFLAGS)]>;
1572 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1573 "or{b}\t{$src, $dst|$dst, $src}",
1574 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1575 (implicit EFLAGS)]>;
1576 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1577 "or{w}\t{$src, $dst|$dst, $src}",
1578 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1579 (implicit EFLAGS)]>,
1581 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1582 "or{l}\t{$src, $dst|$dst, $src}",
1583 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1584 (implicit EFLAGS)]>;
1585 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1586 "or{w}\t{$src, $dst|$dst, $src}",
1587 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1588 (implicit EFLAGS)]>,
1590 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1591 "or{l}\t{$src, $dst|$dst, $src}",
1592 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1593 (implicit EFLAGS)]>;
1594 } // isTwoAddress = 0
1597 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1598 def XOR8rr : I<0x30, MRMDestReg,
1599 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1600 "xor{b}\t{$src2, $dst|$dst, $src2}",
1601 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1602 (implicit EFLAGS)]>;
1603 def XOR16rr : I<0x31, MRMDestReg,
1604 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1605 "xor{w}\t{$src2, $dst|$dst, $src2}",
1606 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1607 (implicit EFLAGS)]>, OpSize;
1608 def XOR32rr : I<0x31, MRMDestReg,
1609 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1610 "xor{l}\t{$src2, $dst|$dst, $src2}",
1611 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1612 (implicit EFLAGS)]>;
1613 } // isCommutable = 1
1615 def XOR8rm : I<0x32, MRMSrcMem ,
1616 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1617 "xor{b}\t{$src2, $dst|$dst, $src2}",
1618 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1619 (implicit EFLAGS)]>;
1620 def XOR16rm : I<0x33, MRMSrcMem ,
1621 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1622 "xor{w}\t{$src2, $dst|$dst, $src2}",
1623 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1624 (implicit EFLAGS)]>,
1626 def XOR32rm : I<0x33, MRMSrcMem ,
1627 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1628 "xor{l}\t{$src2, $dst|$dst, $src2}",
1629 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1630 (implicit EFLAGS)]>;
1632 def XOR8ri : Ii8<0x80, MRM6r,
1633 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1634 "xor{b}\t{$src2, $dst|$dst, $src2}",
1635 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1636 (implicit EFLAGS)]>;
1637 def XOR16ri : Ii16<0x81, MRM6r,
1638 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1639 "xor{w}\t{$src2, $dst|$dst, $src2}",
1640 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1641 (implicit EFLAGS)]>, OpSize;
1642 def XOR32ri : Ii32<0x81, MRM6r,
1643 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1644 "xor{l}\t{$src2, $dst|$dst, $src2}",
1645 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1646 (implicit EFLAGS)]>;
1647 def XOR16ri8 : Ii8<0x83, MRM6r,
1648 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1649 "xor{w}\t{$src2, $dst|$dst, $src2}",
1650 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1651 (implicit EFLAGS)]>,
1653 def XOR32ri8 : Ii8<0x83, MRM6r,
1654 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1655 "xor{l}\t{$src2, $dst|$dst, $src2}",
1656 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1657 (implicit EFLAGS)]>;
1659 let isTwoAddress = 0 in {
1660 def XOR8mr : I<0x30, MRMDestMem,
1661 (outs), (ins i8mem :$dst, GR8 :$src),
1662 "xor{b}\t{$src, $dst|$dst, $src}",
1663 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1664 (implicit EFLAGS)]>;
1665 def XOR16mr : I<0x31, MRMDestMem,
1666 (outs), (ins i16mem:$dst, GR16:$src),
1667 "xor{w}\t{$src, $dst|$dst, $src}",
1668 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1669 (implicit EFLAGS)]>,
1671 def XOR32mr : I<0x31, MRMDestMem,
1672 (outs), (ins i32mem:$dst, GR32:$src),
1673 "xor{l}\t{$src, $dst|$dst, $src}",
1674 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1675 (implicit EFLAGS)]>;
1676 def XOR8mi : Ii8<0x80, MRM6m,
1677 (outs), (ins i8mem :$dst, i8imm :$src),
1678 "xor{b}\t{$src, $dst|$dst, $src}",
1679 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1680 (implicit EFLAGS)]>;
1681 def XOR16mi : Ii16<0x81, MRM6m,
1682 (outs), (ins i16mem:$dst, i16imm:$src),
1683 "xor{w}\t{$src, $dst|$dst, $src}",
1684 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1685 (implicit EFLAGS)]>,
1687 def XOR32mi : Ii32<0x81, MRM6m,
1688 (outs), (ins i32mem:$dst, i32imm:$src),
1689 "xor{l}\t{$src, $dst|$dst, $src}",
1690 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1691 (implicit EFLAGS)]>;
1692 def XOR16mi8 : Ii8<0x83, MRM6m,
1693 (outs), (ins i16mem:$dst, i16i8imm :$src),
1694 "xor{w}\t{$src, $dst|$dst, $src}",
1695 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1696 (implicit EFLAGS)]>,
1698 def XOR32mi8 : Ii8<0x83, MRM6m,
1699 (outs), (ins i32mem:$dst, i32i8imm :$src),
1700 "xor{l}\t{$src, $dst|$dst, $src}",
1701 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1702 (implicit EFLAGS)]>;
1703 } // isTwoAddress = 0
1704 } // Defs = [EFLAGS]
1706 // Shift instructions
1707 let Defs = [EFLAGS] in {
1708 let Uses = [CL] in {
1709 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1710 "shl{b}\t{%cl, $dst|$dst, %CL}",
1711 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1712 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1713 "shl{w}\t{%cl, $dst|$dst, %CL}",
1714 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1715 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1716 "shl{l}\t{%cl, $dst|$dst, %CL}",
1717 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1720 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1721 "shl{b}\t{$src2, $dst|$dst, $src2}",
1722 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1723 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1724 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1725 "shl{w}\t{$src2, $dst|$dst, $src2}",
1726 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1727 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1728 "shl{l}\t{$src2, $dst|$dst, $src2}",
1729 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1730 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1732 } // isConvertibleToThreeAddress = 1
1734 let isTwoAddress = 0 in {
1735 let Uses = [CL] in {
1736 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1737 "shl{b}\t{%cl, $dst|$dst, %CL}",
1738 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1739 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1740 "shl{w}\t{%cl, $dst|$dst, %CL}",
1741 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1742 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1743 "shl{l}\t{%cl, $dst|$dst, %CL}",
1744 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1746 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1747 "shl{b}\t{$src, $dst|$dst, $src}",
1748 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1749 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1750 "shl{w}\t{$src, $dst|$dst, $src}",
1751 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1753 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1754 "shl{l}\t{$src, $dst|$dst, $src}",
1755 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1758 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1760 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1761 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1763 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1765 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1767 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1770 let Uses = [CL] in {
1771 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1772 "shr{b}\t{%cl, $dst|$dst, %CL}",
1773 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1774 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1775 "shr{w}\t{%cl, $dst|$dst, %CL}",
1776 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1777 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1778 "shr{l}\t{%cl, $dst|$dst, %CL}",
1779 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1782 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1783 "shr{b}\t{$src2, $dst|$dst, $src2}",
1784 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1785 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1786 "shr{w}\t{$src2, $dst|$dst, $src2}",
1787 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1788 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1789 "shr{l}\t{$src2, $dst|$dst, $src2}",
1790 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1793 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1795 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1796 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1798 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1799 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1801 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1803 let isTwoAddress = 0 in {
1804 let Uses = [CL] in {
1805 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1806 "shr{b}\t{%cl, $dst|$dst, %CL}",
1807 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1808 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1809 "shr{w}\t{%cl, $dst|$dst, %CL}",
1810 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1812 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1813 "shr{l}\t{%cl, $dst|$dst, %CL}",
1814 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1816 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1817 "shr{b}\t{$src, $dst|$dst, $src}",
1818 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1819 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1820 "shr{w}\t{$src, $dst|$dst, $src}",
1821 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1823 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1824 "shr{l}\t{$src, $dst|$dst, $src}",
1825 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1828 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1830 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1831 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1833 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1834 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1836 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1839 let Uses = [CL] in {
1840 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1841 "sar{b}\t{%cl, $dst|$dst, %CL}",
1842 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1843 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1844 "sar{w}\t{%cl, $dst|$dst, %CL}",
1845 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1846 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1847 "sar{l}\t{%cl, $dst|$dst, %CL}",
1848 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1851 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1852 "sar{b}\t{$src2, $dst|$dst, $src2}",
1853 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1854 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1855 "sar{w}\t{$src2, $dst|$dst, $src2}",
1856 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1858 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1859 "sar{l}\t{$src2, $dst|$dst, $src2}",
1860 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1863 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1865 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1866 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1868 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1869 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1871 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1873 let isTwoAddress = 0 in {
1874 let Uses = [CL] in {
1875 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1876 "sar{b}\t{%cl, $dst|$dst, %CL}",
1877 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1878 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1879 "sar{w}\t{%cl, $dst|$dst, %CL}",
1880 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1881 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1882 "sar{l}\t{%cl, $dst|$dst, %CL}",
1883 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1885 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1886 "sar{b}\t{$src, $dst|$dst, $src}",
1887 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1888 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1889 "sar{w}\t{$src, $dst|$dst, $src}",
1890 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1892 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1893 "sar{l}\t{$src, $dst|$dst, $src}",
1894 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1897 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1899 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1900 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1902 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1904 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1906 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1909 // Rotate instructions
1910 // FIXME: provide shorter instructions when imm8 == 1
1911 let Uses = [CL] in {
1912 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1913 "rol{b}\t{%cl, $dst|$dst, %CL}",
1914 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1915 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1916 "rol{w}\t{%cl, $dst|$dst, %CL}",
1917 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1918 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1919 "rol{l}\t{%cl, $dst|$dst, %CL}",
1920 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1923 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1924 "rol{b}\t{$src2, $dst|$dst, $src2}",
1925 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1926 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1927 "rol{w}\t{$src2, $dst|$dst, $src2}",
1928 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1929 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1930 "rol{l}\t{$src2, $dst|$dst, $src2}",
1931 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1934 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1936 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1937 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1939 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1940 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1942 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1944 let isTwoAddress = 0 in {
1945 let Uses = [CL] in {
1946 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1947 "rol{b}\t{%cl, $dst|$dst, %CL}",
1948 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1949 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1950 "rol{w}\t{%cl, $dst|$dst, %CL}",
1951 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1952 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1953 "rol{l}\t{%cl, $dst|$dst, %CL}",
1954 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1956 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1957 "rol{b}\t{$src, $dst|$dst, $src}",
1958 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1959 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1960 "rol{w}\t{$src, $dst|$dst, $src}",
1961 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1963 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1964 "rol{l}\t{$src, $dst|$dst, $src}",
1965 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1968 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1970 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1971 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1973 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1975 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1977 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1980 let Uses = [CL] in {
1981 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1982 "ror{b}\t{%cl, $dst|$dst, %CL}",
1983 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1984 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1985 "ror{w}\t{%cl, $dst|$dst, %CL}",
1986 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1987 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1988 "ror{l}\t{%cl, $dst|$dst, %CL}",
1989 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1992 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1993 "ror{b}\t{$src2, $dst|$dst, $src2}",
1994 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1995 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1996 "ror{w}\t{$src2, $dst|$dst, $src2}",
1997 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1998 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1999 "ror{l}\t{$src2, $dst|$dst, $src2}",
2000 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2003 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2005 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2006 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2008 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2009 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2011 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2013 let isTwoAddress = 0 in {
2014 let Uses = [CL] in {
2015 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2016 "ror{b}\t{%cl, $dst|$dst, %CL}",
2017 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2018 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2019 "ror{w}\t{%cl, $dst|$dst, %CL}",
2020 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2021 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2022 "ror{l}\t{%cl, $dst|$dst, %CL}",
2023 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2025 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2026 "ror{b}\t{$src, $dst|$dst, $src}",
2027 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2028 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2029 "ror{w}\t{$src, $dst|$dst, $src}",
2030 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2032 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2033 "ror{l}\t{$src, $dst|$dst, $src}",
2034 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2037 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2039 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2040 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2042 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2044 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2046 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2051 // Double shift instructions (generalizations of rotate)
2052 let Uses = [CL] in {
2053 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2054 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2055 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2056 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2057 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2058 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2059 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2060 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2061 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2063 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2064 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2065 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2069 let isCommutable = 1 in { // These instructions commute to each other.
2070 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2071 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2072 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2073 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2076 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2077 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2078 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2079 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2082 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2083 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2084 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2085 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2088 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2089 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2090 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2091 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2096 let isTwoAddress = 0 in {
2097 let Uses = [CL] in {
2098 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2099 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2100 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2102 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2103 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2104 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2107 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2108 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2109 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2110 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2111 (i8 imm:$src3)), addr:$dst)]>,
2113 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2114 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2115 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2116 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2117 (i8 imm:$src3)), addr:$dst)]>,
2120 let Uses = [CL] in {
2121 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2122 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2123 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2124 addr:$dst)]>, TB, OpSize;
2125 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2126 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2127 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2128 addr:$dst)]>, TB, OpSize;
2130 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2131 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2132 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2133 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2134 (i8 imm:$src3)), addr:$dst)]>,
2136 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2137 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2138 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2139 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2140 (i8 imm:$src3)), addr:$dst)]>,
2143 } // Defs = [EFLAGS]
2147 let Defs = [EFLAGS] in {
2148 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2149 // Register-Register Addition
2150 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2151 (ins GR8 :$src1, GR8 :$src2),
2152 "add{b}\t{$src2, $dst|$dst, $src2}",
2153 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2154 (implicit EFLAGS)]>;
2156 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2157 // Register-Register Addition
2158 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2159 (ins GR16:$src1, GR16:$src2),
2160 "add{w}\t{$src2, $dst|$dst, $src2}",
2161 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2162 (implicit EFLAGS)]>, OpSize;
2163 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2164 (ins GR32:$src1, GR32:$src2),
2165 "add{l}\t{$src2, $dst|$dst, $src2}",
2166 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2167 (implicit EFLAGS)]>;
2168 } // end isConvertibleToThreeAddress
2169 } // end isCommutable
2171 // Register-Memory Addition
2172 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2173 (ins GR8 :$src1, i8mem :$src2),
2174 "add{b}\t{$src2, $dst|$dst, $src2}",
2175 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2176 (implicit EFLAGS)]>;
2177 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2178 (ins GR16:$src1, i16mem:$src2),
2179 "add{w}\t{$src2, $dst|$dst, $src2}",
2180 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2181 (implicit EFLAGS)]>, OpSize;
2182 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2183 (ins GR32:$src1, i32mem:$src2),
2184 "add{l}\t{$src2, $dst|$dst, $src2}",
2185 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2186 (implicit EFLAGS)]>;
2188 // Register-Integer Addition
2189 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2190 "add{b}\t{$src2, $dst|$dst, $src2}",
2191 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2192 (implicit EFLAGS)]>;
2194 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2195 // Register-Integer Addition
2196 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2197 (ins GR16:$src1, i16imm:$src2),
2198 "add{w}\t{$src2, $dst|$dst, $src2}",
2199 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2200 (implicit EFLAGS)]>, OpSize;
2201 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2202 (ins GR32:$src1, i32imm:$src2),
2203 "add{l}\t{$src2, $dst|$dst, $src2}",
2204 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2205 (implicit EFLAGS)]>;
2206 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2207 (ins GR16:$src1, i16i8imm:$src2),
2208 "add{w}\t{$src2, $dst|$dst, $src2}",
2209 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2210 (implicit EFLAGS)]>, OpSize;
2211 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2212 (ins GR32:$src1, i32i8imm:$src2),
2213 "add{l}\t{$src2, $dst|$dst, $src2}",
2214 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2215 (implicit EFLAGS)]>;
2218 let isTwoAddress = 0 in {
2219 // Memory-Register Addition
2220 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2221 "add{b}\t{$src2, $dst|$dst, $src2}",
2222 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2223 (implicit EFLAGS)]>;
2224 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2225 "add{w}\t{$src2, $dst|$dst, $src2}",
2226 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2227 (implicit EFLAGS)]>, OpSize;
2228 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2229 "add{l}\t{$src2, $dst|$dst, $src2}",
2230 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2231 (implicit EFLAGS)]>;
2232 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2233 "add{b}\t{$src2, $dst|$dst, $src2}",
2234 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2235 (implicit EFLAGS)]>;
2236 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2237 "add{w}\t{$src2, $dst|$dst, $src2}",
2238 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2239 (implicit EFLAGS)]>, OpSize;
2240 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2241 "add{l}\t{$src2, $dst|$dst, $src2}",
2242 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2243 (implicit EFLAGS)]>;
2244 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2245 "add{w}\t{$src2, $dst|$dst, $src2}",
2246 [(store (add (load addr:$dst), i16immSExt8:$src2),
2248 (implicit EFLAGS)]>, OpSize;
2249 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2250 "add{l}\t{$src2, $dst|$dst, $src2}",
2251 [(store (add (load addr:$dst), i32immSExt8:$src2),
2253 (implicit EFLAGS)]>;
2256 let Uses = [EFLAGS] in {
2257 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2258 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2259 "adc{l}\t{$src2, $dst|$dst, $src2}",
2260 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2262 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2263 "adc{l}\t{$src2, $dst|$dst, $src2}",
2264 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2265 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2266 "adc{l}\t{$src2, $dst|$dst, $src2}",
2267 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2268 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2269 "adc{l}\t{$src2, $dst|$dst, $src2}",
2270 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2272 let isTwoAddress = 0 in {
2273 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2274 "adc{l}\t{$src2, $dst|$dst, $src2}",
2275 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2276 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2277 "adc{l}\t{$src2, $dst|$dst, $src2}",
2278 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2279 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2280 "adc{l}\t{$src2, $dst|$dst, $src2}",
2281 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2283 } // Uses = [EFLAGS]
2285 // Register-Register Subtraction
2286 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2287 "sub{b}\t{$src2, $dst|$dst, $src2}",
2288 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2289 (implicit EFLAGS)]>;
2290 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2291 "sub{w}\t{$src2, $dst|$dst, $src2}",
2292 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2293 (implicit EFLAGS)]>, OpSize;
2294 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2295 "sub{l}\t{$src2, $dst|$dst, $src2}",
2296 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2297 (implicit EFLAGS)]>;
2299 // Register-Memory Subtraction
2300 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2301 (ins GR8 :$src1, i8mem :$src2),
2302 "sub{b}\t{$src2, $dst|$dst, $src2}",
2303 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2304 (implicit EFLAGS)]>;
2305 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2306 (ins GR16:$src1, i16mem:$src2),
2307 "sub{w}\t{$src2, $dst|$dst, $src2}",
2308 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2309 (implicit EFLAGS)]>, OpSize;
2310 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2311 (ins GR32:$src1, i32mem:$src2),
2312 "sub{l}\t{$src2, $dst|$dst, $src2}",
2313 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2314 (implicit EFLAGS)]>;
2316 // Register-Integer Subtraction
2317 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2318 (ins GR8:$src1, i8imm:$src2),
2319 "sub{b}\t{$src2, $dst|$dst, $src2}",
2320 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2321 (implicit EFLAGS)]>;
2322 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2323 (ins GR16:$src1, i16imm:$src2),
2324 "sub{w}\t{$src2, $dst|$dst, $src2}",
2325 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2326 (implicit EFLAGS)]>, OpSize;
2327 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2328 (ins GR32:$src1, i32imm:$src2),
2329 "sub{l}\t{$src2, $dst|$dst, $src2}",
2330 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2331 (implicit EFLAGS)]>;
2332 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2333 (ins GR16:$src1, i16i8imm:$src2),
2334 "sub{w}\t{$src2, $dst|$dst, $src2}",
2335 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2336 (implicit EFLAGS)]>, OpSize;
2337 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2338 (ins GR32:$src1, i32i8imm:$src2),
2339 "sub{l}\t{$src2, $dst|$dst, $src2}",
2340 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2341 (implicit EFLAGS)]>;
2343 let isTwoAddress = 0 in {
2344 // Memory-Register Subtraction
2345 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2346 "sub{b}\t{$src2, $dst|$dst, $src2}",
2347 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2348 (implicit EFLAGS)]>;
2349 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2350 "sub{w}\t{$src2, $dst|$dst, $src2}",
2351 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2352 (implicit EFLAGS)]>, OpSize;
2353 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2354 "sub{l}\t{$src2, $dst|$dst, $src2}",
2355 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2356 (implicit EFLAGS)]>;
2358 // Memory-Integer Subtraction
2359 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2360 "sub{b}\t{$src2, $dst|$dst, $src2}",
2361 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2362 (implicit EFLAGS)]>;
2363 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2364 "sub{w}\t{$src2, $dst|$dst, $src2}",
2365 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2366 (implicit EFLAGS)]>, OpSize;
2367 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2368 "sub{l}\t{$src2, $dst|$dst, $src2}",
2369 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2370 (implicit EFLAGS)]>;
2371 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2372 "sub{w}\t{$src2, $dst|$dst, $src2}",
2373 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2375 (implicit EFLAGS)]>, OpSize;
2376 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2377 "sub{l}\t{$src2, $dst|$dst, $src2}",
2378 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2380 (implicit EFLAGS)]>;
2383 let Uses = [EFLAGS] in {
2384 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2385 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2386 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2388 let isTwoAddress = 0 in {
2389 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2390 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2391 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2392 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2393 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2394 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2395 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2396 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2397 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2398 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2399 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2400 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2402 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2403 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2404 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2405 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2406 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2407 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2408 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2409 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2410 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2411 } // Uses = [EFLAGS]
2412 } // Defs = [EFLAGS]
2414 let Defs = [EFLAGS] in {
2415 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2416 // Register-Register Signed Integer Multiply
2417 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2418 "imul{w}\t{$src2, $dst|$dst, $src2}",
2419 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2420 (implicit EFLAGS)]>, TB, OpSize;
2421 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2422 "imul{l}\t{$src2, $dst|$dst, $src2}",
2423 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2424 (implicit EFLAGS)]>, TB;
2427 // Register-Memory Signed Integer Multiply
2428 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2429 (ins GR16:$src1, i16mem:$src2),
2430 "imul{w}\t{$src2, $dst|$dst, $src2}",
2431 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2432 (implicit EFLAGS)]>, TB, OpSize;
2433 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2434 "imul{l}\t{$src2, $dst|$dst, $src2}",
2435 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2436 (implicit EFLAGS)]>, TB;
2437 } // Defs = [EFLAGS]
2438 } // end Two Address instructions
2440 // Suprisingly enough, these are not two address instructions!
2441 let Defs = [EFLAGS] in {
2442 // Register-Integer Signed Integer Multiply
2443 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2444 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2445 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2446 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2447 (implicit EFLAGS)]>, OpSize;
2448 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2449 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2450 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2451 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2452 (implicit EFLAGS)]>;
2453 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2454 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2455 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2456 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2457 (implicit EFLAGS)]>, OpSize;
2458 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2459 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2460 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2461 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2462 (implicit EFLAGS)]>;
2464 // Memory-Integer Signed Integer Multiply
2465 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2466 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2467 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2468 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2469 (implicit EFLAGS)]>, OpSize;
2470 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2471 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2472 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2473 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2474 (implicit EFLAGS)]>;
2475 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2476 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2477 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2478 [(set GR16:$dst, (mul (load addr:$src1),
2479 i16immSExt8:$src2)),
2480 (implicit EFLAGS)]>, OpSize;
2481 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2482 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2483 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2484 [(set GR32:$dst, (mul (load addr:$src1),
2485 i32immSExt8:$src2)),
2486 (implicit EFLAGS)]>;
2487 } // Defs = [EFLAGS]
2489 //===----------------------------------------------------------------------===//
2490 // Test instructions are just like AND, except they don't generate a result.
2492 let Defs = [EFLAGS] in {
2493 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2494 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2495 "test{b}\t{$src2, $src1|$src1, $src2}",
2496 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2497 (implicit EFLAGS)]>;
2498 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2499 "test{w}\t{$src2, $src1|$src1, $src2}",
2500 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2501 (implicit EFLAGS)]>,
2503 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2504 "test{l}\t{$src2, $src1|$src1, $src2}",
2505 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2506 (implicit EFLAGS)]>;
2509 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2510 "test{b}\t{$src2, $src1|$src1, $src2}",
2511 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2512 (implicit EFLAGS)]>;
2513 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2514 "test{w}\t{$src2, $src1|$src1, $src2}",
2515 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2516 (implicit EFLAGS)]>, OpSize;
2517 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2518 "test{l}\t{$src2, $src1|$src1, $src2}",
2519 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2520 (implicit EFLAGS)]>;
2522 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2523 (outs), (ins GR8:$src1, i8imm:$src2),
2524 "test{b}\t{$src2, $src1|$src1, $src2}",
2525 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2526 (implicit EFLAGS)]>;
2527 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2528 (outs), (ins GR16:$src1, i16imm:$src2),
2529 "test{w}\t{$src2, $src1|$src1, $src2}",
2530 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2531 (implicit EFLAGS)]>, OpSize;
2532 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2533 (outs), (ins GR32:$src1, i32imm:$src2),
2534 "test{l}\t{$src2, $src1|$src1, $src2}",
2535 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2536 (implicit EFLAGS)]>;
2538 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2539 (outs), (ins i8mem:$src1, i8imm:$src2),
2540 "test{b}\t{$src2, $src1|$src1, $src2}",
2541 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2542 (implicit EFLAGS)]>;
2543 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2544 (outs), (ins i16mem:$src1, i16imm:$src2),
2545 "test{w}\t{$src2, $src1|$src1, $src2}",
2546 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2547 (implicit EFLAGS)]>, OpSize;
2548 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2549 (outs), (ins i32mem:$src1, i32imm:$src2),
2550 "test{l}\t{$src2, $src1|$src1, $src2}",
2551 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2552 (implicit EFLAGS)]>;
2553 } // Defs = [EFLAGS]
2556 // Condition code ops, incl. set if equal/not equal/...
2557 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2558 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2559 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2560 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2562 let Uses = [EFLAGS] in {
2563 def SETEr : I<0x94, MRM0r,
2564 (outs GR8 :$dst), (ins),
2566 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2568 def SETEm : I<0x94, MRM0m,
2569 (outs), (ins i8mem:$dst),
2571 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2574 def SETNEr : I<0x95, MRM0r,
2575 (outs GR8 :$dst), (ins),
2577 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2579 def SETNEm : I<0x95, MRM0m,
2580 (outs), (ins i8mem:$dst),
2582 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2585 def SETLr : I<0x9C, MRM0r,
2586 (outs GR8 :$dst), (ins),
2588 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2589 TB; // GR8 = < signed
2590 def SETLm : I<0x9C, MRM0m,
2591 (outs), (ins i8mem:$dst),
2593 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2594 TB; // [mem8] = < signed
2596 def SETGEr : I<0x9D, MRM0r,
2597 (outs GR8 :$dst), (ins),
2599 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2600 TB; // GR8 = >= signed
2601 def SETGEm : I<0x9D, MRM0m,
2602 (outs), (ins i8mem:$dst),
2604 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2605 TB; // [mem8] = >= signed
2607 def SETLEr : I<0x9E, MRM0r,
2608 (outs GR8 :$dst), (ins),
2610 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2611 TB; // GR8 = <= signed
2612 def SETLEm : I<0x9E, MRM0m,
2613 (outs), (ins i8mem:$dst),
2615 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2616 TB; // [mem8] = <= signed
2618 def SETGr : I<0x9F, MRM0r,
2619 (outs GR8 :$dst), (ins),
2621 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2622 TB; // GR8 = > signed
2623 def SETGm : I<0x9F, MRM0m,
2624 (outs), (ins i8mem:$dst),
2626 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2627 TB; // [mem8] = > signed
2629 def SETBr : I<0x92, MRM0r,
2630 (outs GR8 :$dst), (ins),
2632 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2633 TB; // GR8 = < unsign
2634 def SETBm : I<0x92, MRM0m,
2635 (outs), (ins i8mem:$dst),
2637 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2638 TB; // [mem8] = < unsign
2640 def SETAEr : I<0x93, MRM0r,
2641 (outs GR8 :$dst), (ins),
2643 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2644 TB; // GR8 = >= unsign
2645 def SETAEm : I<0x93, MRM0m,
2646 (outs), (ins i8mem:$dst),
2648 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2649 TB; // [mem8] = >= unsign
2651 def SETBEr : I<0x96, MRM0r,
2652 (outs GR8 :$dst), (ins),
2654 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2655 TB; // GR8 = <= unsign
2656 def SETBEm : I<0x96, MRM0m,
2657 (outs), (ins i8mem:$dst),
2659 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2660 TB; // [mem8] = <= unsign
2662 def SETAr : I<0x97, MRM0r,
2663 (outs GR8 :$dst), (ins),
2665 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2666 TB; // GR8 = > signed
2667 def SETAm : I<0x97, MRM0m,
2668 (outs), (ins i8mem:$dst),
2670 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2671 TB; // [mem8] = > signed
2673 def SETSr : I<0x98, MRM0r,
2674 (outs GR8 :$dst), (ins),
2676 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2677 TB; // GR8 = <sign bit>
2678 def SETSm : I<0x98, MRM0m,
2679 (outs), (ins i8mem:$dst),
2681 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2682 TB; // [mem8] = <sign bit>
2683 def SETNSr : I<0x99, MRM0r,
2684 (outs GR8 :$dst), (ins),
2686 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2687 TB; // GR8 = !<sign bit>
2688 def SETNSm : I<0x99, MRM0m,
2689 (outs), (ins i8mem:$dst),
2691 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2692 TB; // [mem8] = !<sign bit>
2694 def SETPr : I<0x9A, MRM0r,
2695 (outs GR8 :$dst), (ins),
2697 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2699 def SETPm : I<0x9A, MRM0m,
2700 (outs), (ins i8mem:$dst),
2702 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2703 TB; // [mem8] = parity
2704 def SETNPr : I<0x9B, MRM0r,
2705 (outs GR8 :$dst), (ins),
2707 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2708 TB; // GR8 = not parity
2709 def SETNPm : I<0x9B, MRM0m,
2710 (outs), (ins i8mem:$dst),
2712 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2713 TB; // [mem8] = not parity
2715 def SETOr : I<0x90, MRM0r,
2716 (outs GR8 :$dst), (ins),
2718 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2719 TB; // GR8 = overflow
2720 def SETOm : I<0x90, MRM0m,
2721 (outs), (ins i8mem:$dst),
2723 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2724 TB; // [mem8] = overflow
2725 def SETNOr : I<0x91, MRM0r,
2726 (outs GR8 :$dst), (ins),
2728 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2729 TB; // GR8 = not overflow
2730 def SETNOm : I<0x91, MRM0m,
2731 (outs), (ins i8mem:$dst),
2733 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2734 TB; // [mem8] = not overflow
2735 } // Uses = [EFLAGS]
2738 // Integer comparisons
2739 let Defs = [EFLAGS] in {
2740 def CMP8rr : I<0x38, MRMDestReg,
2741 (outs), (ins GR8 :$src1, GR8 :$src2),
2742 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2743 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2744 def CMP16rr : I<0x39, MRMDestReg,
2745 (outs), (ins GR16:$src1, GR16:$src2),
2746 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2747 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2748 def CMP32rr : I<0x39, MRMDestReg,
2749 (outs), (ins GR32:$src1, GR32:$src2),
2750 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2751 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2752 def CMP8mr : I<0x38, MRMDestMem,
2753 (outs), (ins i8mem :$src1, GR8 :$src2),
2754 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2755 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2756 (implicit EFLAGS)]>;
2757 def CMP16mr : I<0x39, MRMDestMem,
2758 (outs), (ins i16mem:$src1, GR16:$src2),
2759 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2760 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2761 (implicit EFLAGS)]>, OpSize;
2762 def CMP32mr : I<0x39, MRMDestMem,
2763 (outs), (ins i32mem:$src1, GR32:$src2),
2764 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2765 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2766 (implicit EFLAGS)]>;
2767 def CMP8rm : I<0x3A, MRMSrcMem,
2768 (outs), (ins GR8 :$src1, i8mem :$src2),
2769 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2770 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2771 (implicit EFLAGS)]>;
2772 def CMP16rm : I<0x3B, MRMSrcMem,
2773 (outs), (ins GR16:$src1, i16mem:$src2),
2774 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2775 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2776 (implicit EFLAGS)]>, OpSize;
2777 def CMP32rm : I<0x3B, MRMSrcMem,
2778 (outs), (ins GR32:$src1, i32mem:$src2),
2779 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2780 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2781 (implicit EFLAGS)]>;
2782 def CMP8ri : Ii8<0x80, MRM7r,
2783 (outs), (ins GR8:$src1, i8imm:$src2),
2784 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2785 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2786 def CMP16ri : Ii16<0x81, MRM7r,
2787 (outs), (ins GR16:$src1, i16imm:$src2),
2788 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2789 [(X86cmp GR16:$src1, imm:$src2),
2790 (implicit EFLAGS)]>, OpSize;
2791 def CMP32ri : Ii32<0x81, MRM7r,
2792 (outs), (ins GR32:$src1, i32imm:$src2),
2793 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2794 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2795 def CMP8mi : Ii8 <0x80, MRM7m,
2796 (outs), (ins i8mem :$src1, i8imm :$src2),
2797 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2798 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2799 (implicit EFLAGS)]>;
2800 def CMP16mi : Ii16<0x81, MRM7m,
2801 (outs), (ins i16mem:$src1, i16imm:$src2),
2802 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2803 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2804 (implicit EFLAGS)]>, OpSize;
2805 def CMP32mi : Ii32<0x81, MRM7m,
2806 (outs), (ins i32mem:$src1, i32imm:$src2),
2807 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2808 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2809 (implicit EFLAGS)]>;
2810 def CMP16ri8 : Ii8<0x83, MRM7r,
2811 (outs), (ins GR16:$src1, i16i8imm:$src2),
2812 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2813 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2814 (implicit EFLAGS)]>, OpSize;
2815 def CMP16mi8 : Ii8<0x83, MRM7m,
2816 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2817 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2818 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2819 (implicit EFLAGS)]>, OpSize;
2820 def CMP32mi8 : Ii8<0x83, MRM7m,
2821 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2822 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2823 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2824 (implicit EFLAGS)]>;
2825 def CMP32ri8 : Ii8<0x83, MRM7r,
2826 (outs), (ins GR32:$src1, i32i8imm:$src2),
2827 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2828 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2829 (implicit EFLAGS)]>;
2830 } // Defs = [EFLAGS]
2833 // TODO: BTC, BTR, and BTS
2834 let Defs = [EFLAGS] in {
2835 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2836 "bt{w}\t{$src2, $src1|$src1, $src2}",
2837 [(X86bt GR16:$src1, GR16:$src2),
2838 (implicit EFLAGS)]>, OpSize, TB;
2839 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2840 "bt{l}\t{$src2, $src1|$src1, $src2}",
2841 [(X86bt GR32:$src1, GR32:$src2),
2842 (implicit EFLAGS)]>, TB;
2844 // Unlike with the register+register form, the memory+register form of the
2845 // bt instruction does not ignore the high bits of the index. From ISel's
2846 // perspective, this is pretty bizarre. Disable these instructions for now.
2847 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2848 // "bt{w}\t{$src2, $src1|$src1, $src2}",
2849 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2850 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2851 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2852 // "bt{l}\t{$src2, $src1|$src1, $src2}",
2853 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2854 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2856 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2857 "bt{w}\t{$src2, $src1|$src1, $src2}",
2858 [(X86bt GR16:$src1, i16immSExt8:$src2),
2859 (implicit EFLAGS)]>, OpSize, TB;
2860 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2861 "bt{l}\t{$src2, $src1|$src1, $src2}",
2862 [(X86bt GR32:$src1, i32immSExt8:$src2),
2863 (implicit EFLAGS)]>, TB;
2864 // Note that these instructions don't need FastBTMem because that
2865 // only applies when the other operand is in a register. When it's
2866 // an immediate, bt is still fast.
2867 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2868 "bt{w}\t{$src2, $src1|$src1, $src2}",
2869 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
2870 (implicit EFLAGS)]>, OpSize, TB;
2871 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2872 "bt{l}\t{$src2, $src1|$src1, $src2}",
2873 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
2874 (implicit EFLAGS)]>, TB;
2875 } // Defs = [EFLAGS]
2877 // Sign/Zero extenders
2878 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2879 // of the register here. This has a smaller encoding and avoids a
2880 // partial-register update.
2881 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2882 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2883 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2884 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2885 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2886 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2887 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2888 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2889 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2890 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2891 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2892 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2893 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2894 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2895 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2896 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2897 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2898 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2900 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2901 // of the register here. This has a smaller encoding and avoids a
2902 // partial-register update.
2903 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2904 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2905 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2906 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2907 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2908 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2909 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2910 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2911 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2912 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2913 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2914 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2915 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2916 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2917 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2918 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2919 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2920 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2922 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
2923 // except that they use GR32_NOREX for the output operand register class
2924 // instead of GR32. This allows them to operate on h registers on x86-64.
2925 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
2926 (outs GR32_NOREX:$dst), (ins GR8:$src),
2927 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2929 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
2930 (outs GR32_NOREX:$dst), (ins i8mem:$src),
2931 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2934 let neverHasSideEffects = 1 in {
2935 let Defs = [AX], Uses = [AL] in
2936 def CBW : I<0x98, RawFrm, (outs), (ins),
2937 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2938 let Defs = [EAX], Uses = [AX] in
2939 def CWDE : I<0x98, RawFrm, (outs), (ins),
2940 "{cwtl|cwde}", []>; // EAX = signext(AX)
2942 let Defs = [AX,DX], Uses = [AX] in
2943 def CWD : I<0x99, RawFrm, (outs), (ins),
2944 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2945 let Defs = [EAX,EDX], Uses = [EAX] in
2946 def CDQ : I<0x99, RawFrm, (outs), (ins),
2947 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2950 //===----------------------------------------------------------------------===//
2951 // Alias Instructions
2952 //===----------------------------------------------------------------------===//
2954 // Alias instructions that map movr0 to xor.
2955 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2956 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2957 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2958 "xor{b}\t$dst, $dst",
2959 [(set GR8:$dst, 0)]>;
2960 // Use xorl instead of xorw since we don't care about the high 16 bits,
2961 // it's smaller, and it avoids a partial-register update.
2962 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2963 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2964 [(set GR16:$dst, 0)]>;
2965 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2966 "xor{l}\t$dst, $dst",
2967 [(set GR32:$dst, 0)]>;
2970 //===----------------------------------------------------------------------===//
2971 // Thread Local Storage Instructions
2975 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2976 "leal\t${sym:mem}(,%ebx,1), $dst",
2977 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2979 let AddedComplexity = 5 in
2980 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2981 "movl\t%gs:$src, $dst",
2982 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
2984 //===----------------------------------------------------------------------===//
2985 // DWARF Pseudo Instructions
2988 def DWARF_LOC : I<0, Pseudo, (outs),
2989 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2990 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2991 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2994 //===----------------------------------------------------------------------===//
2995 // EH Pseudo Instructions
2997 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2999 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3000 "ret\t#eh_return, addr: $addr",
3001 [(X86ehret GR32:$addr)]>;
3005 //===----------------------------------------------------------------------===//
3009 // Atomic swap. These are just normal xchg instructions. But since a memory
3010 // operand is referenced, the atomicity is ensured.
3011 let Constraints = "$val = $dst" in {
3012 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3013 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3014 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3015 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3016 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3017 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3019 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3020 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3021 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3024 // Atomic compare and swap.
3025 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3026 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3027 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3028 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3030 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3031 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3032 "lock\n\tcmpxchg8b\t$ptr",
3033 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3036 let Defs = [AX, EFLAGS], Uses = [AX] in {
3037 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3038 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3039 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3041 let Defs = [AL, EFLAGS], Uses = [AL] in {
3042 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3043 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3044 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3047 // Atomic exchange and add
3048 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3049 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3050 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
3051 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3053 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3054 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
3055 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3057 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3058 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
3059 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3063 // Atomic exchange, and, or, xor
3064 let Constraints = "$val = $dst", Defs = [EFLAGS],
3065 usesCustomDAGSchedInserter = 1 in {
3066 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3067 "#ATOMAND32 PSEUDO!",
3068 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3069 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3070 "#ATOMOR32 PSEUDO!",
3071 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3072 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3073 "#ATOMXOR32 PSEUDO!",
3074 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3075 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3076 "#ATOMNAND32 PSEUDO!",
3077 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3078 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3079 "#ATOMMIN32 PSEUDO!",
3080 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3081 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3082 "#ATOMMAX32 PSEUDO!",
3083 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3084 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3085 "#ATOMUMIN32 PSEUDO!",
3086 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3087 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3088 "#ATOMUMAX32 PSEUDO!",
3089 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3091 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3092 "#ATOMAND16 PSEUDO!",
3093 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3094 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3095 "#ATOMOR16 PSEUDO!",
3096 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3097 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3098 "#ATOMXOR16 PSEUDO!",
3099 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3100 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3101 "#ATOMNAND16 PSEUDO!",
3102 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3103 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3104 "#ATOMMIN16 PSEUDO!",
3105 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3106 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3107 "#ATOMMAX16 PSEUDO!",
3108 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3109 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3110 "#ATOMUMIN16 PSEUDO!",
3111 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3112 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3113 "#ATOMUMAX16 PSEUDO!",
3114 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3116 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3117 "#ATOMAND8 PSEUDO!",
3118 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3119 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3121 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3122 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3123 "#ATOMXOR8 PSEUDO!",
3124 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3125 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3126 "#ATOMNAND8 PSEUDO!",
3127 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3130 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3131 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3132 Uses = [EAX, EBX, ECX, EDX],
3133 mayLoad = 1, mayStore = 1,
3134 usesCustomDAGSchedInserter = 1 in {
3135 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3136 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3137 "#ATOMAND6432 PSEUDO!", []>;
3138 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3139 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3140 "#ATOMOR6432 PSEUDO!", []>;
3141 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3142 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3143 "#ATOMXOR6432 PSEUDO!", []>;
3144 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3145 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3146 "#ATOMNAND6432 PSEUDO!", []>;
3147 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3148 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3149 "#ATOMADD6432 PSEUDO!", []>;
3150 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3151 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3152 "#ATOMSUB6432 PSEUDO!", []>;
3153 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3154 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3155 "#ATOMSWAP6432 PSEUDO!", []>;
3158 //===----------------------------------------------------------------------===//
3159 // Non-Instruction Patterns
3160 //===----------------------------------------------------------------------===//
3162 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3163 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3164 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3165 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3166 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3167 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3169 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3170 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3171 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3172 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3173 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3174 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3175 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3176 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3178 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3179 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3180 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3181 (MOV32mi addr:$dst, texternalsym:$src)>;
3185 def : Pat<(X86tailcall GR32:$dst),
3188 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3190 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3193 def : Pat<(X86tcret GR32:$dst, imm:$off),
3194 (TCRETURNri GR32:$dst, imm:$off)>;
3196 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3197 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3199 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3200 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3202 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3203 (CALLpcrel32 tglobaladdr:$dst)>;
3204 def : Pat<(X86call (i32 texternalsym:$dst)),
3205 (CALLpcrel32 texternalsym:$dst)>;
3207 // X86 specific add which produces a flag.
3208 def : Pat<(addc GR32:$src1, GR32:$src2),
3209 (ADD32rr GR32:$src1, GR32:$src2)>;
3210 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3211 (ADD32rm GR32:$src1, addr:$src2)>;
3212 def : Pat<(addc GR32:$src1, imm:$src2),
3213 (ADD32ri GR32:$src1, imm:$src2)>;
3214 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3215 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3217 def : Pat<(subc GR32:$src1, GR32:$src2),
3218 (SUB32rr GR32:$src1, GR32:$src2)>;
3219 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3220 (SUB32rm GR32:$src1, addr:$src2)>;
3221 def : Pat<(subc GR32:$src1, imm:$src2),
3222 (SUB32ri GR32:$src1, imm:$src2)>;
3223 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3224 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3228 // TEST R,R is smaller than CMP R,0
3229 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3230 (TEST8rr GR8:$src1, GR8:$src1)>;
3231 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3232 (TEST16rr GR16:$src1, GR16:$src1)>;
3233 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3234 (TEST32rr GR32:$src1, GR32:$src1)>;
3236 // Conditional moves with folded loads with operands swapped and conditions
3238 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3239 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3240 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3241 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3242 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3243 (CMOVB16rm GR16:$src2, addr:$src1)>;
3244 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3245 (CMOVB32rm GR32:$src2, addr:$src1)>;
3246 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3247 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3248 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3249 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3250 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3251 (CMOVE16rm GR16:$src2, addr:$src1)>;
3252 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3253 (CMOVE32rm GR32:$src2, addr:$src1)>;
3254 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3255 (CMOVA16rm GR16:$src2, addr:$src1)>;
3256 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3257 (CMOVA32rm GR32:$src2, addr:$src1)>;
3258 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3259 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3260 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3261 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3262 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3263 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3264 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3265 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3266 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3267 (CMOVL16rm GR16:$src2, addr:$src1)>;
3268 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3269 (CMOVL32rm GR32:$src2, addr:$src1)>;
3270 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3271 (CMOVG16rm GR16:$src2, addr:$src1)>;
3272 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3273 (CMOVG32rm GR32:$src2, addr:$src1)>;
3274 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3275 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3276 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3277 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3278 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3279 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3280 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3281 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3282 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3283 (CMOVP16rm GR16:$src2, addr:$src1)>;
3284 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3285 (CMOVP32rm GR32:$src2, addr:$src1)>;
3286 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3287 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3288 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3289 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3290 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3291 (CMOVS16rm GR16:$src2, addr:$src1)>;
3292 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3293 (CMOVS32rm GR32:$src2, addr:$src1)>;
3294 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3295 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3296 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3297 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3298 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3299 (CMOVO16rm GR16:$src2, addr:$src1)>;
3300 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3301 (CMOVO32rm GR32:$src2, addr:$src1)>;
3303 // zextload bool -> zextload byte
3304 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3305 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3306 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3308 // extload bool -> extload byte
3309 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3310 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3311 Requires<[In32BitMode]>;
3312 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3313 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3314 Requires<[In32BitMode]>;
3315 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3316 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3319 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3320 Requires<[In32BitMode]>;
3321 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3322 Requires<[In32BitMode]>;
3323 def : Pat<(i32 (anyext GR16:$src)),
3324 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3326 // (and (i32 load), 255) -> (zextload i8)
3327 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3328 (MOVZX32rm8 addr:$src)>;
3329 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3330 (MOVZX32rm16 addr:$src)>;
3332 //===----------------------------------------------------------------------===//
3334 //===----------------------------------------------------------------------===//
3336 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3337 // +128 doesn't, so in this special case use a sub instead of an add.
3338 def : Pat<(add GR16:$src1, 128),
3339 (SUB16ri8 GR16:$src1, -128)>;
3340 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3341 (SUB16mi8 addr:$dst, -128)>;
3342 def : Pat<(add GR32:$src1, 128),
3343 (SUB32ri8 GR32:$src1, -128)>;
3344 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3345 (SUB32mi8 addr:$dst, -128)>;
3347 // r & (2^16-1) ==> movz
3348 def : Pat<(and GR32:$src1, 0xffff),
3349 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3350 // r & (2^8-1) ==> movz
3351 def : Pat<(and GR32:$src1, 0xff),
3352 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_),
3354 Requires<[In32BitMode]>;
3355 // r & (2^8-1) ==> movz
3356 def : Pat<(and GR16:$src1, 0xff),
3357 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_),
3359 Requires<[In32BitMode]>;
3361 // sext_inreg patterns
3362 def : Pat<(sext_inreg GR32:$src, i16),
3363 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3364 def : Pat<(sext_inreg GR32:$src, i8),
3365 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3367 Requires<[In32BitMode]>;
3368 def : Pat<(sext_inreg GR16:$src, i8),
3369 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3371 Requires<[In32BitMode]>;
3374 def : Pat<(i16 (trunc GR32:$src)),
3375 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3376 def : Pat<(i8 (trunc GR32:$src)),
3377 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3379 Requires<[In32BitMode]>;
3380 def : Pat<(i8 (trunc GR16:$src)),
3381 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3383 Requires<[In32BitMode]>;
3385 // h-register tricks
3386 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3387 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3388 x86_subreg_8bit_hi)>,
3389 Requires<[In32BitMode]>;
3390 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3391 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3392 x86_subreg_8bit_hi)>,
3393 Requires<[In32BitMode]>;
3394 def : Pat<(srl_su GR16:$src, (i8 8)),
3397 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3398 x86_subreg_8bit_hi)),
3400 Requires<[In32BitMode]>;
3401 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3402 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3403 x86_subreg_8bit_hi))>,
3404 Requires<[In32BitMode]>;
3406 // (shl x, 1) ==> (add x, x)
3407 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3408 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3409 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3411 // (shl x (and y, 31)) ==> (shl x, y)
3412 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3413 (SHL8rCL GR8:$src1)>;
3414 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3415 (SHL16rCL GR16:$src1)>;
3416 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3417 (SHL32rCL GR32:$src1)>;
3418 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3419 (SHL8mCL addr:$dst)>;
3420 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3421 (SHL16mCL addr:$dst)>;
3422 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3423 (SHL32mCL addr:$dst)>;
3425 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3426 (SHR8rCL GR8:$src1)>;
3427 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3428 (SHR16rCL GR16:$src1)>;
3429 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3430 (SHR32rCL GR32:$src1)>;
3431 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3432 (SHR8mCL addr:$dst)>;
3433 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3434 (SHR16mCL addr:$dst)>;
3435 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3436 (SHR32mCL addr:$dst)>;
3438 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3439 (SAR8rCL GR8:$src1)>;
3440 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3441 (SAR16rCL GR16:$src1)>;
3442 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3443 (SAR32rCL GR32:$src1)>;
3444 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3445 (SAR8mCL addr:$dst)>;
3446 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3447 (SAR16mCL addr:$dst)>;
3448 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3449 (SAR32mCL addr:$dst)>;
3451 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3452 def : Pat<(or (srl GR32:$src1, CL:$amt),
3453 (shl GR32:$src2, (sub 32, CL:$amt))),
3454 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3456 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3457 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3458 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3460 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3461 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3462 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3464 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3465 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3467 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3469 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3470 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3472 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3473 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3474 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3476 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3477 def : Pat<(or (shl GR32:$src1, CL:$amt),
3478 (srl GR32:$src2, (sub 32, CL:$amt))),
3479 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3481 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3482 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3483 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3485 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3486 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3487 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3489 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3490 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3492 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3494 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3495 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3497 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3498 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3499 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3501 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3502 def : Pat<(or (srl GR16:$src1, CL:$amt),
3503 (shl GR16:$src2, (sub 16, CL:$amt))),
3504 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3506 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3507 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3508 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3510 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3511 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3512 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3514 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3515 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3517 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3519 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3520 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3522 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3523 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3524 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3526 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3527 def : Pat<(or (shl GR16:$src1, CL:$amt),
3528 (srl GR16:$src2, (sub 16, CL:$amt))),
3529 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3531 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3532 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3533 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3535 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3536 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3537 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3539 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3540 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3542 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3544 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3545 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3547 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3548 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3549 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3551 //===----------------------------------------------------------------------===//
3552 // EFLAGS-defining Patterns
3553 //===----------------------------------------------------------------------===//
3555 // Register-Register Addition with EFLAGS result
3556 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3558 (ADD8rr GR8:$src1, GR8:$src2)>;
3560 // Register-Register Addition with EFLAGS result
3561 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3563 (ADD16rr GR16:$src1, GR16:$src2)>;
3564 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3566 (ADD32rr GR32:$src1, GR32:$src2)>;
3568 // Register-Memory Addition with EFLAGS result
3569 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3571 (ADD8rm GR8:$src1, addr:$src2)>;
3572 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3574 (ADD16rm GR16:$src1, addr:$src2)>;
3575 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3577 (ADD32rm GR32:$src1, addr:$src2)>;
3579 // Register-Integer Addition with EFLAGS result
3580 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3582 (ADD8ri GR8:$src1, imm:$src2)>;
3584 // Register-Integer Addition with EFLAGS result
3585 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3587 (ADD16ri GR16:$src1, imm:$src2)>;
3588 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3590 (ADD32ri GR32:$src1, imm:$src2)>;
3591 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3593 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3594 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3596 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3598 // Memory-Register Addition with EFLAGS result
3599 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3602 (ADD8mr addr:$dst, GR8:$src2)>;
3603 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3606 (ADD16mr addr:$dst, GR16:$src2)>;
3607 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3610 (ADD32mr addr:$dst, GR32:$src2)>;
3611 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3614 (ADD8mi addr:$dst, imm:$src2)>;
3615 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3618 (ADD16mi addr:$dst, imm:$src2)>;
3619 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3622 (ADD32mi addr:$dst, imm:$src2)>;
3623 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3626 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3627 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3630 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3632 // Register-Register Subtraction with EFLAGS result
3633 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3635 (SUB8rr GR8:$src1, GR8:$src2)>;
3636 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3638 (SUB16rr GR16:$src1, GR16:$src2)>;
3639 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3641 (SUB32rr GR32:$src1, GR32:$src2)>;
3643 // Register-Memory Subtraction with EFLAGS result
3644 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3646 (SUB8rm GR8:$src1, addr:$src2)>;
3647 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3649 (SUB16rm GR16:$src1, addr:$src2)>;
3650 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3652 (SUB32rm GR32:$src1, addr:$src2)>;
3654 // Register-Integer Subtraction with EFLAGS result
3655 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3657 (SUB8ri GR8:$src1, imm:$src2)>;
3658 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3660 (SUB16ri GR16:$src1, imm:$src2)>;
3661 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3663 (SUB32ri GR32:$src1, imm:$src2)>;
3664 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3666 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3667 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3669 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3671 // Memory-Register Subtraction with EFLAGS result
3672 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3675 (SUB8mr addr:$dst, GR8:$src2)>;
3676 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3679 (SUB16mr addr:$dst, GR16:$src2)>;
3680 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3683 (SUB32mr addr:$dst, GR32:$src2)>;
3685 // Memory-Integer Subtraction with EFLAGS result
3686 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3689 (SUB8mi addr:$dst, imm:$src2)>;
3690 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3693 (SUB16mi addr:$dst, imm:$src2)>;
3694 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3697 (SUB32mi addr:$dst, imm:$src2)>;
3698 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3701 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3702 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3705 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3708 // Register-Register Signed Integer Multiply with EFLAGS result
3709 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3711 (IMUL16rr GR16:$src1, GR16:$src2)>;
3712 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3714 (IMUL32rr GR32:$src1, GR32:$src2)>;
3716 // Register-Memory Signed Integer Multiply with EFLAGS result
3717 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3719 (IMUL16rm GR16:$src1, addr:$src2)>;
3720 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
3722 (IMUL32rm GR32:$src1, addr:$src2)>;
3724 // Register-Integer Signed Integer Multiply with EFLAGS result
3725 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
3727 (IMUL16rri GR16:$src1, imm:$src2)>;
3728 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
3730 (IMUL32rri GR32:$src1, imm:$src2)>;
3731 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
3733 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3734 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
3736 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3738 // Memory-Integer Signed Integer Multiply with EFLAGS result
3739 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
3741 (IMUL16rmi addr:$src1, imm:$src2)>;
3742 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
3744 (IMUL32rmi addr:$src1, imm:$src2)>;
3745 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
3747 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3748 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
3750 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3752 // Optimize multiply by 2 with EFLAGS result.
3753 let AddedComplexity = 2 in {
3754 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
3756 (ADD16rr GR16:$src1, GR16:$src1)>;
3758 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
3760 (ADD32rr GR32:$src1, GR32:$src1)>;
3763 // INC and DEC with EFLAGS result. Note that these do not set CF.
3764 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
3766 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
3769 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
3771 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
3775 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
3776 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
3777 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
3779 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
3780 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
3781 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
3782 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
3784 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
3786 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
3787 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
3788 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
3790 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
3791 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
3792 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
3793 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
3795 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
3797 //===----------------------------------------------------------------------===//
3798 // Floating Point Stack Support
3799 //===----------------------------------------------------------------------===//
3801 include "X86InstrFPStack.td"
3803 //===----------------------------------------------------------------------===//
3805 //===----------------------------------------------------------------------===//
3807 include "X86Instr64bit.td"
3809 //===----------------------------------------------------------------------===//
3810 // XMM Floating point support (requires SSE / SSE2)
3811 //===----------------------------------------------------------------------===//
3813 include "X86InstrSSE.td"
3815 //===----------------------------------------------------------------------===//
3816 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3817 //===----------------------------------------------------------------------===//
3819 include "X86InstrMMX.td"