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:$dst)]>;
786 // Versions of MOV8rr and MOV8mr that use i8mem_NOREX and GR8_NOREX so that they
787 // can be used for copying and storing h registers, which can't be encoded when
788 // a REX prefix is present.
789 let neverHasSideEffects = 1 in
790 def MOV8rr_NOREX : I<0x88, MRMDestReg, (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
791 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
792 def MOV8mr_NOREX : I<0x88, MRMDestMem,
793 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
794 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
796 //===----------------------------------------------------------------------===//
797 // Fixed-Register Multiplication and Division Instructions...
800 // Extra precision multiplication
801 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
802 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
803 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
804 // This probably ought to be moved to a def : Pat<> if the
805 // syntax can be accepted.
806 [(set AL, (mul AL, GR8:$src)),
807 (implicit EFLAGS)]>; // AL,AH = AL*GR8
809 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
810 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
812 []>, OpSize; // AX,DX = AX*GR16
814 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
815 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
817 []>; // EAX,EDX = EAX*GR32
819 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
820 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
822 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
823 // This probably ought to be moved to a def : Pat<> if the
824 // syntax can be accepted.
825 [(set AL, (mul AL, (loadi8 addr:$src))),
826 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
828 let mayLoad = 1, neverHasSideEffects = 1 in {
829 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
830 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
832 []>, OpSize; // AX,DX = AX*[mem16]
834 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
835 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
837 []>; // EAX,EDX = EAX*[mem32]
840 let neverHasSideEffects = 1 in {
841 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
842 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
844 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
845 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
846 OpSize; // AX,DX = AX*GR16
847 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
848 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
849 // EAX,EDX = EAX*GR32
851 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
852 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
853 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
854 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
855 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
856 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
857 let Defs = [EAX,EDX], Uses = [EAX] in
858 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
859 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
861 } // neverHasSideEffects
863 // unsigned division/remainder
864 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
865 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
867 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
868 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
869 "div{w}\t$src", []>, OpSize;
870 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
871 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
874 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
875 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
877 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
878 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
879 "div{w}\t$src", []>, OpSize;
880 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
881 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
885 // Signed division/remainder.
886 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
887 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
888 "idiv{b}\t$src", []>;
889 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
890 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
891 "idiv{w}\t$src", []>, OpSize;
892 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
893 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
894 "idiv{l}\t$src", []>;
895 let mayLoad = 1, mayLoad = 1 in {
896 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
897 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
898 "idiv{b}\t$src", []>;
899 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
900 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
901 "idiv{w}\t$src", []>, OpSize;
902 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
903 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
904 "idiv{l}\t$src", []>;
907 //===----------------------------------------------------------------------===//
908 // Two address Instructions.
910 let isTwoAddress = 1 in {
913 let Uses = [EFLAGS] in {
914 let isCommutable = 1 in {
915 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
916 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
917 "cmovb\t{$src2, $dst|$dst, $src2}",
918 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
919 X86_COND_B, EFLAGS))]>,
921 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
922 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
923 "cmovb\t{$src2, $dst|$dst, $src2}",
924 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
925 X86_COND_B, EFLAGS))]>,
927 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
928 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
929 "cmovae\t{$src2, $dst|$dst, $src2}",
930 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
931 X86_COND_AE, EFLAGS))]>,
933 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
934 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
935 "cmovae\t{$src2, $dst|$dst, $src2}",
936 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
937 X86_COND_AE, EFLAGS))]>,
939 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
940 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
941 "cmove\t{$src2, $dst|$dst, $src2}",
942 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
943 X86_COND_E, EFLAGS))]>,
945 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
946 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
947 "cmove\t{$src2, $dst|$dst, $src2}",
948 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
949 X86_COND_E, EFLAGS))]>,
951 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
952 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
953 "cmovne\t{$src2, $dst|$dst, $src2}",
954 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
955 X86_COND_NE, EFLAGS))]>,
957 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
958 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
959 "cmovne\t{$src2, $dst|$dst, $src2}",
960 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
961 X86_COND_NE, EFLAGS))]>,
963 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
964 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
965 "cmovbe\t{$src2, $dst|$dst, $src2}",
966 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
967 X86_COND_BE, EFLAGS))]>,
969 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
970 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
971 "cmovbe\t{$src2, $dst|$dst, $src2}",
972 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
973 X86_COND_BE, EFLAGS))]>,
975 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
976 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
977 "cmova\t{$src2, $dst|$dst, $src2}",
978 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
979 X86_COND_A, EFLAGS))]>,
981 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
982 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
983 "cmova\t{$src2, $dst|$dst, $src2}",
984 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
985 X86_COND_A, EFLAGS))]>,
987 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
988 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
989 "cmovl\t{$src2, $dst|$dst, $src2}",
990 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
991 X86_COND_L, EFLAGS))]>,
993 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
994 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
995 "cmovl\t{$src2, $dst|$dst, $src2}",
996 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
997 X86_COND_L, EFLAGS))]>,
999 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1000 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1001 "cmovge\t{$src2, $dst|$dst, $src2}",
1002 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1003 X86_COND_GE, EFLAGS))]>,
1005 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1006 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1007 "cmovge\t{$src2, $dst|$dst, $src2}",
1008 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1009 X86_COND_GE, EFLAGS))]>,
1011 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1012 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1013 "cmovle\t{$src2, $dst|$dst, $src2}",
1014 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1015 X86_COND_LE, EFLAGS))]>,
1017 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1018 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1019 "cmovle\t{$src2, $dst|$dst, $src2}",
1020 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1021 X86_COND_LE, EFLAGS))]>,
1023 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1024 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1025 "cmovg\t{$src2, $dst|$dst, $src2}",
1026 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1027 X86_COND_G, EFLAGS))]>,
1029 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1030 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1031 "cmovg\t{$src2, $dst|$dst, $src2}",
1032 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1033 X86_COND_G, EFLAGS))]>,
1035 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1036 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1037 "cmovs\t{$src2, $dst|$dst, $src2}",
1038 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1039 X86_COND_S, EFLAGS))]>,
1041 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1042 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1043 "cmovs\t{$src2, $dst|$dst, $src2}",
1044 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1045 X86_COND_S, EFLAGS))]>,
1047 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1048 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1049 "cmovns\t{$src2, $dst|$dst, $src2}",
1050 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1051 X86_COND_NS, EFLAGS))]>,
1053 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1054 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1055 "cmovns\t{$src2, $dst|$dst, $src2}",
1056 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1057 X86_COND_NS, EFLAGS))]>,
1059 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1060 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1061 "cmovp\t{$src2, $dst|$dst, $src2}",
1062 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1063 X86_COND_P, EFLAGS))]>,
1065 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1066 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1067 "cmovp\t{$src2, $dst|$dst, $src2}",
1068 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1069 X86_COND_P, EFLAGS))]>,
1071 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1072 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1073 "cmovnp\t{$src2, $dst|$dst, $src2}",
1074 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1075 X86_COND_NP, EFLAGS))]>,
1077 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1078 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1079 "cmovnp\t{$src2, $dst|$dst, $src2}",
1080 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1081 X86_COND_NP, EFLAGS))]>,
1083 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1084 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1085 "cmovo\t{$src2, $dst|$dst, $src2}",
1086 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1087 X86_COND_O, EFLAGS))]>,
1089 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1090 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1091 "cmovo\t{$src2, $dst|$dst, $src2}",
1092 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1093 X86_COND_O, EFLAGS))]>,
1095 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1096 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1097 "cmovno\t{$src2, $dst|$dst, $src2}",
1098 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1099 X86_COND_NO, EFLAGS))]>,
1101 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1102 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1103 "cmovno\t{$src2, $dst|$dst, $src2}",
1104 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1105 X86_COND_NO, EFLAGS))]>,
1107 } // isCommutable = 1
1109 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1110 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1111 "cmovb\t{$src2, $dst|$dst, $src2}",
1112 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1113 X86_COND_B, EFLAGS))]>,
1115 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1116 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1117 "cmovb\t{$src2, $dst|$dst, $src2}",
1118 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1119 X86_COND_B, EFLAGS))]>,
1121 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1122 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1123 "cmovae\t{$src2, $dst|$dst, $src2}",
1124 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1125 X86_COND_AE, EFLAGS))]>,
1127 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1128 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1129 "cmovae\t{$src2, $dst|$dst, $src2}",
1130 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1131 X86_COND_AE, EFLAGS))]>,
1133 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1134 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1135 "cmove\t{$src2, $dst|$dst, $src2}",
1136 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1137 X86_COND_E, EFLAGS))]>,
1139 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1140 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1141 "cmove\t{$src2, $dst|$dst, $src2}",
1142 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1143 X86_COND_E, EFLAGS))]>,
1145 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1146 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1147 "cmovne\t{$src2, $dst|$dst, $src2}",
1148 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1149 X86_COND_NE, EFLAGS))]>,
1151 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1152 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1153 "cmovne\t{$src2, $dst|$dst, $src2}",
1154 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1155 X86_COND_NE, EFLAGS))]>,
1157 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1158 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1159 "cmovbe\t{$src2, $dst|$dst, $src2}",
1160 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1161 X86_COND_BE, EFLAGS))]>,
1163 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1164 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1165 "cmovbe\t{$src2, $dst|$dst, $src2}",
1166 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1167 X86_COND_BE, EFLAGS))]>,
1169 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1170 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1171 "cmova\t{$src2, $dst|$dst, $src2}",
1172 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1173 X86_COND_A, EFLAGS))]>,
1175 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1176 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1177 "cmova\t{$src2, $dst|$dst, $src2}",
1178 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1179 X86_COND_A, EFLAGS))]>,
1181 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1182 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1183 "cmovl\t{$src2, $dst|$dst, $src2}",
1184 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1185 X86_COND_L, EFLAGS))]>,
1187 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1188 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1189 "cmovl\t{$src2, $dst|$dst, $src2}",
1190 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1191 X86_COND_L, EFLAGS))]>,
1193 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1194 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1195 "cmovge\t{$src2, $dst|$dst, $src2}",
1196 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1197 X86_COND_GE, EFLAGS))]>,
1199 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1200 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1201 "cmovge\t{$src2, $dst|$dst, $src2}",
1202 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1203 X86_COND_GE, EFLAGS))]>,
1205 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1206 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1207 "cmovle\t{$src2, $dst|$dst, $src2}",
1208 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1209 X86_COND_LE, EFLAGS))]>,
1211 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1212 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1213 "cmovle\t{$src2, $dst|$dst, $src2}",
1214 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1215 X86_COND_LE, EFLAGS))]>,
1217 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1218 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1219 "cmovg\t{$src2, $dst|$dst, $src2}",
1220 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1221 X86_COND_G, EFLAGS))]>,
1223 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1224 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1225 "cmovg\t{$src2, $dst|$dst, $src2}",
1226 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1227 X86_COND_G, EFLAGS))]>,
1229 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1230 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1231 "cmovs\t{$src2, $dst|$dst, $src2}",
1232 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1233 X86_COND_S, EFLAGS))]>,
1235 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1236 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1237 "cmovs\t{$src2, $dst|$dst, $src2}",
1238 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1239 X86_COND_S, EFLAGS))]>,
1241 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1242 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1243 "cmovns\t{$src2, $dst|$dst, $src2}",
1244 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1245 X86_COND_NS, EFLAGS))]>,
1247 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1248 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1249 "cmovns\t{$src2, $dst|$dst, $src2}",
1250 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1251 X86_COND_NS, EFLAGS))]>,
1253 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1254 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1255 "cmovp\t{$src2, $dst|$dst, $src2}",
1256 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1257 X86_COND_P, EFLAGS))]>,
1259 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1260 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1261 "cmovp\t{$src2, $dst|$dst, $src2}",
1262 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1263 X86_COND_P, EFLAGS))]>,
1265 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1266 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1267 "cmovnp\t{$src2, $dst|$dst, $src2}",
1268 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1269 X86_COND_NP, EFLAGS))]>,
1271 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1272 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1273 "cmovnp\t{$src2, $dst|$dst, $src2}",
1274 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1275 X86_COND_NP, EFLAGS))]>,
1277 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1278 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1279 "cmovo\t{$src2, $dst|$dst, $src2}",
1280 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1281 X86_COND_O, EFLAGS))]>,
1283 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1284 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1285 "cmovo\t{$src2, $dst|$dst, $src2}",
1286 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1287 X86_COND_O, EFLAGS))]>,
1289 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1290 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1291 "cmovno\t{$src2, $dst|$dst, $src2}",
1292 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1293 X86_COND_NO, EFLAGS))]>,
1295 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1296 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1297 "cmovno\t{$src2, $dst|$dst, $src2}",
1298 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1299 X86_COND_NO, EFLAGS))]>,
1301 } // Uses = [EFLAGS]
1304 // unary instructions
1305 let CodeSize = 2 in {
1306 let Defs = [EFLAGS] in {
1307 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1308 [(set GR8:$dst, (ineg GR8:$src)),
1309 (implicit EFLAGS)]>;
1310 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1311 [(set GR16:$dst, (ineg GR16:$src)),
1312 (implicit EFLAGS)]>, OpSize;
1313 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1314 [(set GR32:$dst, (ineg GR32:$src)),
1315 (implicit EFLAGS)]>;
1316 let isTwoAddress = 0 in {
1317 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1318 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1319 (implicit EFLAGS)]>;
1320 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1321 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1322 (implicit EFLAGS)]>, OpSize;
1323 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1324 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1325 (implicit EFLAGS)]>;
1327 } // Defs = [EFLAGS]
1329 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1330 let AddedComplexity = 15 in {
1331 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1332 [(set GR8:$dst, (not GR8:$src))]>;
1333 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1334 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1335 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1336 [(set GR32:$dst, (not GR32:$src))]>;
1338 let isTwoAddress = 0 in {
1339 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1340 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1341 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1342 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1343 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1344 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1348 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1349 let Defs = [EFLAGS] in {
1351 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1352 [(set GR8:$dst, (add GR8:$src, 1)),
1353 (implicit EFLAGS)]>;
1354 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1355 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1356 [(set GR16:$dst, (add GR16:$src, 1)),
1357 (implicit EFLAGS)]>,
1358 OpSize, Requires<[In32BitMode]>;
1359 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1360 [(set GR32:$dst, (add GR32:$src, 1)),
1361 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1363 let isTwoAddress = 0, CodeSize = 2 in {
1364 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1365 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1366 (implicit EFLAGS)]>;
1367 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1368 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1369 (implicit EFLAGS)]>,
1370 OpSize, Requires<[In32BitMode]>;
1371 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1372 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1373 (implicit EFLAGS)]>,
1374 Requires<[In32BitMode]>;
1378 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1379 [(set GR8:$dst, (add GR8:$src, -1)),
1380 (implicit EFLAGS)]>;
1381 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1382 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1383 [(set GR16:$dst, (add GR16:$src, -1)),
1384 (implicit EFLAGS)]>,
1385 OpSize, Requires<[In32BitMode]>;
1386 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1387 [(set GR32:$dst, (add GR32:$src, -1)),
1388 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1391 let isTwoAddress = 0, CodeSize = 2 in {
1392 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1393 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1394 (implicit EFLAGS)]>;
1395 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1396 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1397 (implicit EFLAGS)]>,
1398 OpSize, Requires<[In32BitMode]>;
1399 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1400 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1401 (implicit EFLAGS)]>,
1402 Requires<[In32BitMode]>;
1404 } // Defs = [EFLAGS]
1406 // Logical operators...
1407 let Defs = [EFLAGS] in {
1408 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1409 def AND8rr : I<0x20, MRMDestReg,
1410 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1411 "and{b}\t{$src2, $dst|$dst, $src2}",
1412 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1413 (implicit EFLAGS)]>;
1414 def AND16rr : I<0x21, MRMDestReg,
1415 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1416 "and{w}\t{$src2, $dst|$dst, $src2}",
1417 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1418 (implicit EFLAGS)]>, OpSize;
1419 def AND32rr : I<0x21, MRMDestReg,
1420 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1421 "and{l}\t{$src2, $dst|$dst, $src2}",
1422 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1423 (implicit EFLAGS)]>;
1426 def AND8rm : I<0x22, MRMSrcMem,
1427 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1428 "and{b}\t{$src2, $dst|$dst, $src2}",
1429 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1430 (implicit EFLAGS)]>;
1431 def AND16rm : I<0x23, MRMSrcMem,
1432 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1433 "and{w}\t{$src2, $dst|$dst, $src2}",
1434 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1435 (implicit EFLAGS)]>, OpSize;
1436 def AND32rm : I<0x23, MRMSrcMem,
1437 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1438 "and{l}\t{$src2, $dst|$dst, $src2}",
1439 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1440 (implicit EFLAGS)]>;
1442 def AND8ri : Ii8<0x80, MRM4r,
1443 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1444 "and{b}\t{$src2, $dst|$dst, $src2}",
1445 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1446 (implicit EFLAGS)]>;
1447 def AND16ri : Ii16<0x81, MRM4r,
1448 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1449 "and{w}\t{$src2, $dst|$dst, $src2}",
1450 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1451 (implicit EFLAGS)]>, OpSize;
1452 def AND32ri : Ii32<0x81, MRM4r,
1453 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1454 "and{l}\t{$src2, $dst|$dst, $src2}",
1455 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1456 (implicit EFLAGS)]>;
1457 def AND16ri8 : Ii8<0x83, MRM4r,
1458 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1459 "and{w}\t{$src2, $dst|$dst, $src2}",
1460 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1461 (implicit EFLAGS)]>,
1463 def AND32ri8 : Ii8<0x83, MRM4r,
1464 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1465 "and{l}\t{$src2, $dst|$dst, $src2}",
1466 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1467 (implicit EFLAGS)]>;
1469 let isTwoAddress = 0 in {
1470 def AND8mr : I<0x20, MRMDestMem,
1471 (outs), (ins i8mem :$dst, GR8 :$src),
1472 "and{b}\t{$src, $dst|$dst, $src}",
1473 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1474 (implicit EFLAGS)]>;
1475 def AND16mr : I<0x21, MRMDestMem,
1476 (outs), (ins i16mem:$dst, GR16:$src),
1477 "and{w}\t{$src, $dst|$dst, $src}",
1478 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1479 (implicit EFLAGS)]>,
1481 def AND32mr : I<0x21, MRMDestMem,
1482 (outs), (ins i32mem:$dst, GR32:$src),
1483 "and{l}\t{$src, $dst|$dst, $src}",
1484 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1485 (implicit EFLAGS)]>;
1486 def AND8mi : Ii8<0x80, MRM4m,
1487 (outs), (ins i8mem :$dst, i8imm :$src),
1488 "and{b}\t{$src, $dst|$dst, $src}",
1489 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1490 (implicit EFLAGS)]>;
1491 def AND16mi : Ii16<0x81, MRM4m,
1492 (outs), (ins i16mem:$dst, i16imm:$src),
1493 "and{w}\t{$src, $dst|$dst, $src}",
1494 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1495 (implicit EFLAGS)]>,
1497 def AND32mi : Ii32<0x81, MRM4m,
1498 (outs), (ins i32mem:$dst, i32imm:$src),
1499 "and{l}\t{$src, $dst|$dst, $src}",
1500 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1501 (implicit EFLAGS)]>;
1502 def AND16mi8 : Ii8<0x83, MRM4m,
1503 (outs), (ins i16mem:$dst, i16i8imm :$src),
1504 "and{w}\t{$src, $dst|$dst, $src}",
1505 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1506 (implicit EFLAGS)]>,
1508 def AND32mi8 : Ii8<0x83, MRM4m,
1509 (outs), (ins i32mem:$dst, i32i8imm :$src),
1510 "and{l}\t{$src, $dst|$dst, $src}",
1511 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1512 (implicit EFLAGS)]>;
1516 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1517 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1518 "or{b}\t{$src2, $dst|$dst, $src2}",
1519 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1520 (implicit EFLAGS)]>;
1521 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1522 "or{w}\t{$src2, $dst|$dst, $src2}",
1523 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1524 (implicit EFLAGS)]>, OpSize;
1525 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1526 "or{l}\t{$src2, $dst|$dst, $src2}",
1527 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1528 (implicit EFLAGS)]>;
1530 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1531 "or{b}\t{$src2, $dst|$dst, $src2}",
1532 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1533 (implicit EFLAGS)]>;
1534 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1535 "or{w}\t{$src2, $dst|$dst, $src2}",
1536 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1537 (implicit EFLAGS)]>, OpSize;
1538 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1539 "or{l}\t{$src2, $dst|$dst, $src2}",
1540 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1541 (implicit EFLAGS)]>;
1543 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1544 "or{b}\t{$src2, $dst|$dst, $src2}",
1545 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1546 (implicit EFLAGS)]>;
1547 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1548 "or{w}\t{$src2, $dst|$dst, $src2}",
1549 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1550 (implicit EFLAGS)]>, OpSize;
1551 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1552 "or{l}\t{$src2, $dst|$dst, $src2}",
1553 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1554 (implicit EFLAGS)]>;
1556 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1557 "or{w}\t{$src2, $dst|$dst, $src2}",
1558 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1559 (implicit EFLAGS)]>, OpSize;
1560 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1561 "or{l}\t{$src2, $dst|$dst, $src2}",
1562 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1563 (implicit EFLAGS)]>;
1564 let isTwoAddress = 0 in {
1565 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1566 "or{b}\t{$src, $dst|$dst, $src}",
1567 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1568 (implicit EFLAGS)]>;
1569 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1570 "or{w}\t{$src, $dst|$dst, $src}",
1571 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1572 (implicit EFLAGS)]>, OpSize;
1573 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1574 "or{l}\t{$src, $dst|$dst, $src}",
1575 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1576 (implicit EFLAGS)]>;
1577 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1578 "or{b}\t{$src, $dst|$dst, $src}",
1579 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1580 (implicit EFLAGS)]>;
1581 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1582 "or{w}\t{$src, $dst|$dst, $src}",
1583 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1584 (implicit EFLAGS)]>,
1586 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1587 "or{l}\t{$src, $dst|$dst, $src}",
1588 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1589 (implicit EFLAGS)]>;
1590 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1591 "or{w}\t{$src, $dst|$dst, $src}",
1592 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1593 (implicit EFLAGS)]>,
1595 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1596 "or{l}\t{$src, $dst|$dst, $src}",
1597 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1598 (implicit EFLAGS)]>;
1599 } // isTwoAddress = 0
1602 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1603 def XOR8rr : I<0x30, MRMDestReg,
1604 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1605 "xor{b}\t{$src2, $dst|$dst, $src2}",
1606 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1607 (implicit EFLAGS)]>;
1608 def XOR16rr : I<0x31, MRMDestReg,
1609 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1610 "xor{w}\t{$src2, $dst|$dst, $src2}",
1611 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1612 (implicit EFLAGS)]>, OpSize;
1613 def XOR32rr : I<0x31, MRMDestReg,
1614 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1615 "xor{l}\t{$src2, $dst|$dst, $src2}",
1616 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1617 (implicit EFLAGS)]>;
1618 } // isCommutable = 1
1620 def XOR8rm : I<0x32, MRMSrcMem ,
1621 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1622 "xor{b}\t{$src2, $dst|$dst, $src2}",
1623 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1624 (implicit EFLAGS)]>;
1625 def XOR16rm : I<0x33, MRMSrcMem ,
1626 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1627 "xor{w}\t{$src2, $dst|$dst, $src2}",
1628 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1629 (implicit EFLAGS)]>,
1631 def XOR32rm : I<0x33, MRMSrcMem ,
1632 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1633 "xor{l}\t{$src2, $dst|$dst, $src2}",
1634 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1635 (implicit EFLAGS)]>;
1637 def XOR8ri : Ii8<0x80, MRM6r,
1638 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1639 "xor{b}\t{$src2, $dst|$dst, $src2}",
1640 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1641 (implicit EFLAGS)]>;
1642 def XOR16ri : Ii16<0x81, MRM6r,
1643 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1644 "xor{w}\t{$src2, $dst|$dst, $src2}",
1645 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1646 (implicit EFLAGS)]>, OpSize;
1647 def XOR32ri : Ii32<0x81, MRM6r,
1648 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1649 "xor{l}\t{$src2, $dst|$dst, $src2}",
1650 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1651 (implicit EFLAGS)]>;
1652 def XOR16ri8 : Ii8<0x83, MRM6r,
1653 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1654 "xor{w}\t{$src2, $dst|$dst, $src2}",
1655 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1656 (implicit EFLAGS)]>,
1658 def XOR32ri8 : Ii8<0x83, MRM6r,
1659 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1660 "xor{l}\t{$src2, $dst|$dst, $src2}",
1661 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1662 (implicit EFLAGS)]>;
1664 let isTwoAddress = 0 in {
1665 def XOR8mr : I<0x30, MRMDestMem,
1666 (outs), (ins i8mem :$dst, GR8 :$src),
1667 "xor{b}\t{$src, $dst|$dst, $src}",
1668 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1669 (implicit EFLAGS)]>;
1670 def XOR16mr : I<0x31, MRMDestMem,
1671 (outs), (ins i16mem:$dst, GR16:$src),
1672 "xor{w}\t{$src, $dst|$dst, $src}",
1673 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1674 (implicit EFLAGS)]>,
1676 def XOR32mr : I<0x31, MRMDestMem,
1677 (outs), (ins i32mem:$dst, GR32:$src),
1678 "xor{l}\t{$src, $dst|$dst, $src}",
1679 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1680 (implicit EFLAGS)]>;
1681 def XOR8mi : Ii8<0x80, MRM6m,
1682 (outs), (ins i8mem :$dst, i8imm :$src),
1683 "xor{b}\t{$src, $dst|$dst, $src}",
1684 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1685 (implicit EFLAGS)]>;
1686 def XOR16mi : Ii16<0x81, MRM6m,
1687 (outs), (ins i16mem:$dst, i16imm:$src),
1688 "xor{w}\t{$src, $dst|$dst, $src}",
1689 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1690 (implicit EFLAGS)]>,
1692 def XOR32mi : Ii32<0x81, MRM6m,
1693 (outs), (ins i32mem:$dst, i32imm:$src),
1694 "xor{l}\t{$src, $dst|$dst, $src}",
1695 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1696 (implicit EFLAGS)]>;
1697 def XOR16mi8 : Ii8<0x83, MRM6m,
1698 (outs), (ins i16mem:$dst, i16i8imm :$src),
1699 "xor{w}\t{$src, $dst|$dst, $src}",
1700 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1701 (implicit EFLAGS)]>,
1703 def XOR32mi8 : Ii8<0x83, MRM6m,
1704 (outs), (ins i32mem:$dst, i32i8imm :$src),
1705 "xor{l}\t{$src, $dst|$dst, $src}",
1706 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1707 (implicit EFLAGS)]>;
1708 } // isTwoAddress = 0
1709 } // Defs = [EFLAGS]
1711 // Shift instructions
1712 let Defs = [EFLAGS] in {
1713 let Uses = [CL] in {
1714 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1715 "shl{b}\t{%cl, $dst|$dst, %CL}",
1716 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1717 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1718 "shl{w}\t{%cl, $dst|$dst, %CL}",
1719 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1720 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1721 "shl{l}\t{%cl, $dst|$dst, %CL}",
1722 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1725 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1726 "shl{b}\t{$src2, $dst|$dst, $src2}",
1727 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1728 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1729 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1730 "shl{w}\t{$src2, $dst|$dst, $src2}",
1731 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1732 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1733 "shl{l}\t{$src2, $dst|$dst, $src2}",
1734 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1735 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1737 } // isConvertibleToThreeAddress = 1
1739 let isTwoAddress = 0 in {
1740 let Uses = [CL] in {
1741 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1742 "shl{b}\t{%cl, $dst|$dst, %CL}",
1743 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1744 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1745 "shl{w}\t{%cl, $dst|$dst, %CL}",
1746 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1747 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1748 "shl{l}\t{%cl, $dst|$dst, %CL}",
1749 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1751 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1752 "shl{b}\t{$src, $dst|$dst, $src}",
1753 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1754 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1755 "shl{w}\t{$src, $dst|$dst, $src}",
1756 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1758 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1759 "shl{l}\t{$src, $dst|$dst, $src}",
1760 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1763 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1765 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1766 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1768 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1770 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1772 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1775 let Uses = [CL] in {
1776 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1777 "shr{b}\t{%cl, $dst|$dst, %CL}",
1778 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1779 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1780 "shr{w}\t{%cl, $dst|$dst, %CL}",
1781 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1782 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1783 "shr{l}\t{%cl, $dst|$dst, %CL}",
1784 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1787 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1788 "shr{b}\t{$src2, $dst|$dst, $src2}",
1789 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1790 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1791 "shr{w}\t{$src2, $dst|$dst, $src2}",
1792 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1793 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1794 "shr{l}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1798 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1800 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1801 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1803 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1804 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1806 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1808 let isTwoAddress = 0 in {
1809 let Uses = [CL] in {
1810 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1811 "shr{b}\t{%cl, $dst|$dst, %CL}",
1812 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1813 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1814 "shr{w}\t{%cl, $dst|$dst, %CL}",
1815 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1817 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1818 "shr{l}\t{%cl, $dst|$dst, %CL}",
1819 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1821 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1822 "shr{b}\t{$src, $dst|$dst, $src}",
1823 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1824 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1825 "shr{w}\t{$src, $dst|$dst, $src}",
1826 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1828 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1829 "shr{l}\t{$src, $dst|$dst, $src}",
1830 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1833 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1835 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1836 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1838 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1839 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1841 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1844 let Uses = [CL] in {
1845 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1846 "sar{b}\t{%cl, $dst|$dst, %CL}",
1847 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1848 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1849 "sar{w}\t{%cl, $dst|$dst, %CL}",
1850 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1851 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1852 "sar{l}\t{%cl, $dst|$dst, %CL}",
1853 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1856 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1857 "sar{b}\t{$src2, $dst|$dst, $src2}",
1858 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1859 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1860 "sar{w}\t{$src2, $dst|$dst, $src2}",
1861 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1863 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1864 "sar{l}\t{$src2, $dst|$dst, $src2}",
1865 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1868 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1870 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1871 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1873 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1874 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1876 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1878 let isTwoAddress = 0 in {
1879 let Uses = [CL] in {
1880 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1881 "sar{b}\t{%cl, $dst|$dst, %CL}",
1882 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1883 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1884 "sar{w}\t{%cl, $dst|$dst, %CL}",
1885 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1886 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1887 "sar{l}\t{%cl, $dst|$dst, %CL}",
1888 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1890 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1891 "sar{b}\t{$src, $dst|$dst, $src}",
1892 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1893 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1894 "sar{w}\t{$src, $dst|$dst, $src}",
1895 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1897 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1898 "sar{l}\t{$src, $dst|$dst, $src}",
1899 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1902 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1904 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1905 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1907 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1909 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1911 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1914 // Rotate instructions
1915 // FIXME: provide shorter instructions when imm8 == 1
1916 let Uses = [CL] in {
1917 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1918 "rol{b}\t{%cl, $dst|$dst, %CL}",
1919 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1920 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1921 "rol{w}\t{%cl, $dst|$dst, %CL}",
1922 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1923 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1924 "rol{l}\t{%cl, $dst|$dst, %CL}",
1925 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1928 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1929 "rol{b}\t{$src2, $dst|$dst, $src2}",
1930 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1931 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1932 "rol{w}\t{$src2, $dst|$dst, $src2}",
1933 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1934 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1935 "rol{l}\t{$src2, $dst|$dst, $src2}",
1936 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1939 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1941 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1942 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1944 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1945 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1947 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1949 let isTwoAddress = 0 in {
1950 let Uses = [CL] in {
1951 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1952 "rol{b}\t{%cl, $dst|$dst, %CL}",
1953 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1954 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1955 "rol{w}\t{%cl, $dst|$dst, %CL}",
1956 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1957 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1958 "rol{l}\t{%cl, $dst|$dst, %CL}",
1959 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1961 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1962 "rol{b}\t{$src, $dst|$dst, $src}",
1963 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1964 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1965 "rol{w}\t{$src, $dst|$dst, $src}",
1966 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1968 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1969 "rol{l}\t{$src, $dst|$dst, $src}",
1970 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1973 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1975 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1976 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1978 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1980 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1982 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1985 let Uses = [CL] in {
1986 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1987 "ror{b}\t{%cl, $dst|$dst, %CL}",
1988 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1989 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1990 "ror{w}\t{%cl, $dst|$dst, %CL}",
1991 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1992 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1993 "ror{l}\t{%cl, $dst|$dst, %CL}",
1994 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1997 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1998 "ror{b}\t{$src2, $dst|$dst, $src2}",
1999 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2000 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2001 "ror{w}\t{$src2, $dst|$dst, $src2}",
2002 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2003 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2004 "ror{l}\t{$src2, $dst|$dst, $src2}",
2005 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2008 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2010 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2011 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2013 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2014 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2016 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2018 let isTwoAddress = 0 in {
2019 let Uses = [CL] in {
2020 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2021 "ror{b}\t{%cl, $dst|$dst, %CL}",
2022 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2023 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2024 "ror{w}\t{%cl, $dst|$dst, %CL}",
2025 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2026 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2027 "ror{l}\t{%cl, $dst|$dst, %CL}",
2028 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2030 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2031 "ror{b}\t{$src, $dst|$dst, $src}",
2032 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2033 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2034 "ror{w}\t{$src, $dst|$dst, $src}",
2035 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2037 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2038 "ror{l}\t{$src, $dst|$dst, $src}",
2039 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2042 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2044 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2045 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2047 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2049 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2051 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2056 // Double shift instructions (generalizations of rotate)
2057 let Uses = [CL] in {
2058 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2059 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2060 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2061 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2062 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2063 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2064 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2065 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2066 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2068 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2069 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2070 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2074 let isCommutable = 1 in { // These instructions commute to each other.
2075 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2076 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2077 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2078 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2081 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2082 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2083 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2084 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2087 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2088 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2089 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2090 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2093 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2094 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2095 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2096 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2101 let isTwoAddress = 0 in {
2102 let Uses = [CL] in {
2103 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2104 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2105 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2107 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2108 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2109 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2112 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2113 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2114 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2115 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2116 (i8 imm:$src3)), addr:$dst)]>,
2118 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2119 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2120 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2121 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2122 (i8 imm:$src3)), addr:$dst)]>,
2125 let Uses = [CL] in {
2126 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2127 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2128 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2129 addr:$dst)]>, TB, OpSize;
2130 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2131 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2132 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2133 addr:$dst)]>, TB, OpSize;
2135 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2136 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2137 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2138 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2139 (i8 imm:$src3)), addr:$dst)]>,
2141 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2142 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2143 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2144 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2145 (i8 imm:$src3)), addr:$dst)]>,
2148 } // Defs = [EFLAGS]
2152 let Defs = [EFLAGS] in {
2153 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2154 // Register-Register Addition
2155 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2156 (ins GR8 :$src1, GR8 :$src2),
2157 "add{b}\t{$src2, $dst|$dst, $src2}",
2158 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2159 (implicit EFLAGS)]>;
2161 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2162 // Register-Register Addition
2163 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2164 (ins GR16:$src1, GR16:$src2),
2165 "add{w}\t{$src2, $dst|$dst, $src2}",
2166 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2167 (implicit EFLAGS)]>, OpSize;
2168 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2169 (ins GR32:$src1, GR32:$src2),
2170 "add{l}\t{$src2, $dst|$dst, $src2}",
2171 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2172 (implicit EFLAGS)]>;
2173 } // end isConvertibleToThreeAddress
2174 } // end isCommutable
2176 // Register-Memory Addition
2177 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2178 (ins GR8 :$src1, i8mem :$src2),
2179 "add{b}\t{$src2, $dst|$dst, $src2}",
2180 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2181 (implicit EFLAGS)]>;
2182 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2183 (ins GR16:$src1, i16mem:$src2),
2184 "add{w}\t{$src2, $dst|$dst, $src2}",
2185 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2186 (implicit EFLAGS)]>, OpSize;
2187 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2188 (ins GR32:$src1, i32mem:$src2),
2189 "add{l}\t{$src2, $dst|$dst, $src2}",
2190 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2191 (implicit EFLAGS)]>;
2193 // Register-Integer Addition
2194 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2195 "add{b}\t{$src2, $dst|$dst, $src2}",
2196 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2197 (implicit EFLAGS)]>;
2199 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2200 // Register-Integer Addition
2201 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2202 (ins GR16:$src1, i16imm:$src2),
2203 "add{w}\t{$src2, $dst|$dst, $src2}",
2204 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2205 (implicit EFLAGS)]>, OpSize;
2206 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2207 (ins GR32:$src1, i32imm:$src2),
2208 "add{l}\t{$src2, $dst|$dst, $src2}",
2209 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2210 (implicit EFLAGS)]>;
2211 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2212 (ins GR16:$src1, i16i8imm:$src2),
2213 "add{w}\t{$src2, $dst|$dst, $src2}",
2214 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2215 (implicit EFLAGS)]>, OpSize;
2216 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2217 (ins GR32:$src1, i32i8imm:$src2),
2218 "add{l}\t{$src2, $dst|$dst, $src2}",
2219 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2220 (implicit EFLAGS)]>;
2223 let isTwoAddress = 0 in {
2224 // Memory-Register Addition
2225 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2226 "add{b}\t{$src2, $dst|$dst, $src2}",
2227 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2228 (implicit EFLAGS)]>;
2229 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2230 "add{w}\t{$src2, $dst|$dst, $src2}",
2231 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2232 (implicit EFLAGS)]>, OpSize;
2233 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2234 "add{l}\t{$src2, $dst|$dst, $src2}",
2235 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2236 (implicit EFLAGS)]>;
2237 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2238 "add{b}\t{$src2, $dst|$dst, $src2}",
2239 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2240 (implicit EFLAGS)]>;
2241 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2242 "add{w}\t{$src2, $dst|$dst, $src2}",
2243 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2244 (implicit EFLAGS)]>, OpSize;
2245 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2246 "add{l}\t{$src2, $dst|$dst, $src2}",
2247 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2248 (implicit EFLAGS)]>;
2249 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2250 "add{w}\t{$src2, $dst|$dst, $src2}",
2251 [(store (add (load addr:$dst), i16immSExt8:$src2),
2253 (implicit EFLAGS)]>, OpSize;
2254 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2255 "add{l}\t{$src2, $dst|$dst, $src2}",
2256 [(store (add (load addr:$dst), i32immSExt8:$src2),
2258 (implicit EFLAGS)]>;
2261 let Uses = [EFLAGS] in {
2262 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2263 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2264 "adc{l}\t{$src2, $dst|$dst, $src2}",
2265 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2267 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2268 "adc{l}\t{$src2, $dst|$dst, $src2}",
2269 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2270 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2271 "adc{l}\t{$src2, $dst|$dst, $src2}",
2272 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2273 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2274 "adc{l}\t{$src2, $dst|$dst, $src2}",
2275 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2277 let isTwoAddress = 0 in {
2278 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2279 "adc{l}\t{$src2, $dst|$dst, $src2}",
2280 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2281 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2282 "adc{l}\t{$src2, $dst|$dst, $src2}",
2283 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2284 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2285 "adc{l}\t{$src2, $dst|$dst, $src2}",
2286 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2288 } // Uses = [EFLAGS]
2290 // Register-Register Subtraction
2291 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2292 "sub{b}\t{$src2, $dst|$dst, $src2}",
2293 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2294 (implicit EFLAGS)]>;
2295 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2296 "sub{w}\t{$src2, $dst|$dst, $src2}",
2297 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2298 (implicit EFLAGS)]>, OpSize;
2299 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2300 "sub{l}\t{$src2, $dst|$dst, $src2}",
2301 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2302 (implicit EFLAGS)]>;
2304 // Register-Memory Subtraction
2305 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2306 (ins GR8 :$src1, i8mem :$src2),
2307 "sub{b}\t{$src2, $dst|$dst, $src2}",
2308 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2309 (implicit EFLAGS)]>;
2310 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2311 (ins GR16:$src1, i16mem:$src2),
2312 "sub{w}\t{$src2, $dst|$dst, $src2}",
2313 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2314 (implicit EFLAGS)]>, OpSize;
2315 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2316 (ins GR32:$src1, i32mem:$src2),
2317 "sub{l}\t{$src2, $dst|$dst, $src2}",
2318 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2319 (implicit EFLAGS)]>;
2321 // Register-Integer Subtraction
2322 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2323 (ins GR8:$src1, i8imm:$src2),
2324 "sub{b}\t{$src2, $dst|$dst, $src2}",
2325 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2326 (implicit EFLAGS)]>;
2327 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2328 (ins GR16:$src1, i16imm:$src2),
2329 "sub{w}\t{$src2, $dst|$dst, $src2}",
2330 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2331 (implicit EFLAGS)]>, OpSize;
2332 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2333 (ins GR32:$src1, i32imm:$src2),
2334 "sub{l}\t{$src2, $dst|$dst, $src2}",
2335 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2336 (implicit EFLAGS)]>;
2337 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2338 (ins GR16:$src1, i16i8imm:$src2),
2339 "sub{w}\t{$src2, $dst|$dst, $src2}",
2340 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2341 (implicit EFLAGS)]>, OpSize;
2342 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2343 (ins GR32:$src1, i32i8imm:$src2),
2344 "sub{l}\t{$src2, $dst|$dst, $src2}",
2345 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2346 (implicit EFLAGS)]>;
2348 let isTwoAddress = 0 in {
2349 // Memory-Register Subtraction
2350 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2351 "sub{b}\t{$src2, $dst|$dst, $src2}",
2352 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2353 (implicit EFLAGS)]>;
2354 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2355 "sub{w}\t{$src2, $dst|$dst, $src2}",
2356 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2357 (implicit EFLAGS)]>, OpSize;
2358 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2359 "sub{l}\t{$src2, $dst|$dst, $src2}",
2360 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2361 (implicit EFLAGS)]>;
2363 // Memory-Integer Subtraction
2364 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2365 "sub{b}\t{$src2, $dst|$dst, $src2}",
2366 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2367 (implicit EFLAGS)]>;
2368 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2369 "sub{w}\t{$src2, $dst|$dst, $src2}",
2370 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2371 (implicit EFLAGS)]>, OpSize;
2372 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2373 "sub{l}\t{$src2, $dst|$dst, $src2}",
2374 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2375 (implicit EFLAGS)]>;
2376 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2377 "sub{w}\t{$src2, $dst|$dst, $src2}",
2378 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2380 (implicit EFLAGS)]>, OpSize;
2381 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2382 "sub{l}\t{$src2, $dst|$dst, $src2}",
2383 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2385 (implicit EFLAGS)]>;
2388 let Uses = [EFLAGS] in {
2389 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2390 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2391 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2393 let isTwoAddress = 0 in {
2394 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2395 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2396 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2397 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2398 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2399 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2400 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2401 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2402 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2403 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2404 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2405 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2407 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2408 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2409 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2410 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2411 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2412 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2413 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2414 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2415 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2416 } // Uses = [EFLAGS]
2417 } // Defs = [EFLAGS]
2419 let Defs = [EFLAGS] in {
2420 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2421 // Register-Register Signed Integer Multiply
2422 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2423 "imul{w}\t{$src2, $dst|$dst, $src2}",
2424 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2425 (implicit EFLAGS)]>, TB, OpSize;
2426 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2427 "imul{l}\t{$src2, $dst|$dst, $src2}",
2428 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2429 (implicit EFLAGS)]>, TB;
2432 // Register-Memory Signed Integer Multiply
2433 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2434 (ins GR16:$src1, i16mem:$src2),
2435 "imul{w}\t{$src2, $dst|$dst, $src2}",
2436 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2437 (implicit EFLAGS)]>, TB, OpSize;
2438 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2439 "imul{l}\t{$src2, $dst|$dst, $src2}",
2440 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2441 (implicit EFLAGS)]>, TB;
2442 } // Defs = [EFLAGS]
2443 } // end Two Address instructions
2445 // Suprisingly enough, these are not two address instructions!
2446 let Defs = [EFLAGS] in {
2447 // Register-Integer Signed Integer Multiply
2448 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2449 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2450 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2451 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2452 (implicit EFLAGS)]>, OpSize;
2453 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2454 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2455 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2456 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2457 (implicit EFLAGS)]>;
2458 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2459 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2460 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2461 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2462 (implicit EFLAGS)]>, OpSize;
2463 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2464 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2465 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2466 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2467 (implicit EFLAGS)]>;
2469 // Memory-Integer Signed Integer Multiply
2470 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2471 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2472 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2473 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2474 (implicit EFLAGS)]>, OpSize;
2475 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2476 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2477 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2478 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2479 (implicit EFLAGS)]>;
2480 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2481 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2482 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2483 [(set GR16:$dst, (mul (load addr:$src1),
2484 i16immSExt8:$src2)),
2485 (implicit EFLAGS)]>, OpSize;
2486 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2487 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2488 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2489 [(set GR32:$dst, (mul (load addr:$src1),
2490 i32immSExt8:$src2)),
2491 (implicit EFLAGS)]>;
2492 } // Defs = [EFLAGS]
2494 //===----------------------------------------------------------------------===//
2495 // Test instructions are just like AND, except they don't generate a result.
2497 let Defs = [EFLAGS] in {
2498 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2499 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2500 "test{b}\t{$src2, $src1|$src1, $src2}",
2501 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2502 (implicit EFLAGS)]>;
2503 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2504 "test{w}\t{$src2, $src1|$src1, $src2}",
2505 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2506 (implicit EFLAGS)]>,
2508 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2509 "test{l}\t{$src2, $src1|$src1, $src2}",
2510 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2511 (implicit EFLAGS)]>;
2514 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2515 "test{b}\t{$src2, $src1|$src1, $src2}",
2516 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2517 (implicit EFLAGS)]>;
2518 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2519 "test{w}\t{$src2, $src1|$src1, $src2}",
2520 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2521 (implicit EFLAGS)]>, OpSize;
2522 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2523 "test{l}\t{$src2, $src1|$src1, $src2}",
2524 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2525 (implicit EFLAGS)]>;
2527 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2528 (outs), (ins GR8:$src1, i8imm:$src2),
2529 "test{b}\t{$src2, $src1|$src1, $src2}",
2530 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2531 (implicit EFLAGS)]>;
2532 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2533 (outs), (ins GR16:$src1, i16imm:$src2),
2534 "test{w}\t{$src2, $src1|$src1, $src2}",
2535 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2536 (implicit EFLAGS)]>, OpSize;
2537 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2538 (outs), (ins GR32:$src1, i32imm:$src2),
2539 "test{l}\t{$src2, $src1|$src1, $src2}",
2540 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2541 (implicit EFLAGS)]>;
2543 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2544 (outs), (ins i8mem:$src1, i8imm:$src2),
2545 "test{b}\t{$src2, $src1|$src1, $src2}",
2546 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2547 (implicit EFLAGS)]>;
2548 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2549 (outs), (ins i16mem:$src1, i16imm:$src2),
2550 "test{w}\t{$src2, $src1|$src1, $src2}",
2551 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2552 (implicit EFLAGS)]>, OpSize;
2553 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2554 (outs), (ins i32mem:$src1, i32imm:$src2),
2555 "test{l}\t{$src2, $src1|$src1, $src2}",
2556 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2557 (implicit EFLAGS)]>;
2558 } // Defs = [EFLAGS]
2561 // Condition code ops, incl. set if equal/not equal/...
2562 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2563 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2564 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2565 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2567 let Uses = [EFLAGS] in {
2568 def SETEr : I<0x94, MRM0r,
2569 (outs GR8 :$dst), (ins),
2571 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2573 def SETEm : I<0x94, MRM0m,
2574 (outs), (ins i8mem:$dst),
2576 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2579 def SETNEr : I<0x95, MRM0r,
2580 (outs GR8 :$dst), (ins),
2582 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2584 def SETNEm : I<0x95, MRM0m,
2585 (outs), (ins i8mem:$dst),
2587 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2590 def SETLr : I<0x9C, MRM0r,
2591 (outs GR8 :$dst), (ins),
2593 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2594 TB; // GR8 = < signed
2595 def SETLm : I<0x9C, MRM0m,
2596 (outs), (ins i8mem:$dst),
2598 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2599 TB; // [mem8] = < signed
2601 def SETGEr : I<0x9D, MRM0r,
2602 (outs GR8 :$dst), (ins),
2604 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2605 TB; // GR8 = >= signed
2606 def SETGEm : I<0x9D, MRM0m,
2607 (outs), (ins i8mem:$dst),
2609 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2610 TB; // [mem8] = >= signed
2612 def SETLEr : I<0x9E, MRM0r,
2613 (outs GR8 :$dst), (ins),
2615 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2616 TB; // GR8 = <= signed
2617 def SETLEm : I<0x9E, MRM0m,
2618 (outs), (ins i8mem:$dst),
2620 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2621 TB; // [mem8] = <= signed
2623 def SETGr : I<0x9F, MRM0r,
2624 (outs GR8 :$dst), (ins),
2626 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2627 TB; // GR8 = > signed
2628 def SETGm : I<0x9F, MRM0m,
2629 (outs), (ins i8mem:$dst),
2631 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2632 TB; // [mem8] = > signed
2634 def SETBr : I<0x92, MRM0r,
2635 (outs GR8 :$dst), (ins),
2637 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2638 TB; // GR8 = < unsign
2639 def SETBm : I<0x92, MRM0m,
2640 (outs), (ins i8mem:$dst),
2642 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2643 TB; // [mem8] = < unsign
2645 def SETAEr : I<0x93, MRM0r,
2646 (outs GR8 :$dst), (ins),
2648 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2649 TB; // GR8 = >= unsign
2650 def SETAEm : I<0x93, MRM0m,
2651 (outs), (ins i8mem:$dst),
2653 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2654 TB; // [mem8] = >= unsign
2656 def SETBEr : I<0x96, MRM0r,
2657 (outs GR8 :$dst), (ins),
2659 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2660 TB; // GR8 = <= unsign
2661 def SETBEm : I<0x96, MRM0m,
2662 (outs), (ins i8mem:$dst),
2664 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2665 TB; // [mem8] = <= unsign
2667 def SETAr : I<0x97, MRM0r,
2668 (outs GR8 :$dst), (ins),
2670 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2671 TB; // GR8 = > signed
2672 def SETAm : I<0x97, MRM0m,
2673 (outs), (ins i8mem:$dst),
2675 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2676 TB; // [mem8] = > signed
2678 def SETSr : I<0x98, MRM0r,
2679 (outs GR8 :$dst), (ins),
2681 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2682 TB; // GR8 = <sign bit>
2683 def SETSm : I<0x98, MRM0m,
2684 (outs), (ins i8mem:$dst),
2686 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2687 TB; // [mem8] = <sign bit>
2688 def SETNSr : I<0x99, MRM0r,
2689 (outs GR8 :$dst), (ins),
2691 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2692 TB; // GR8 = !<sign bit>
2693 def SETNSm : I<0x99, MRM0m,
2694 (outs), (ins i8mem:$dst),
2696 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2697 TB; // [mem8] = !<sign bit>
2699 def SETPr : I<0x9A, MRM0r,
2700 (outs GR8 :$dst), (ins),
2702 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2704 def SETPm : I<0x9A, MRM0m,
2705 (outs), (ins i8mem:$dst),
2707 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2708 TB; // [mem8] = parity
2709 def SETNPr : I<0x9B, MRM0r,
2710 (outs GR8 :$dst), (ins),
2712 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2713 TB; // GR8 = not parity
2714 def SETNPm : I<0x9B, MRM0m,
2715 (outs), (ins i8mem:$dst),
2717 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2718 TB; // [mem8] = not parity
2720 def SETOr : I<0x90, MRM0r,
2721 (outs GR8 :$dst), (ins),
2723 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2724 TB; // GR8 = overflow
2725 def SETOm : I<0x90, MRM0m,
2726 (outs), (ins i8mem:$dst),
2728 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2729 TB; // [mem8] = overflow
2730 def SETNOr : I<0x91, MRM0r,
2731 (outs GR8 :$dst), (ins),
2733 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2734 TB; // GR8 = not overflow
2735 def SETNOm : I<0x91, MRM0m,
2736 (outs), (ins i8mem:$dst),
2738 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2739 TB; // [mem8] = not overflow
2740 } // Uses = [EFLAGS]
2743 // Integer comparisons
2744 let Defs = [EFLAGS] in {
2745 def CMP8rr : I<0x38, MRMDestReg,
2746 (outs), (ins GR8 :$src1, GR8 :$src2),
2747 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2748 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2749 def CMP16rr : I<0x39, MRMDestReg,
2750 (outs), (ins GR16:$src1, GR16:$src2),
2751 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2752 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2753 def CMP32rr : I<0x39, MRMDestReg,
2754 (outs), (ins GR32:$src1, GR32:$src2),
2755 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2756 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2757 def CMP8mr : I<0x38, MRMDestMem,
2758 (outs), (ins i8mem :$src1, GR8 :$src2),
2759 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2760 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2761 (implicit EFLAGS)]>;
2762 def CMP16mr : I<0x39, MRMDestMem,
2763 (outs), (ins i16mem:$src1, GR16:$src2),
2764 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2765 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2766 (implicit EFLAGS)]>, OpSize;
2767 def CMP32mr : I<0x39, MRMDestMem,
2768 (outs), (ins i32mem:$src1, GR32:$src2),
2769 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2770 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2771 (implicit EFLAGS)]>;
2772 def CMP8rm : I<0x3A, MRMSrcMem,
2773 (outs), (ins GR8 :$src1, i8mem :$src2),
2774 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2775 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2776 (implicit EFLAGS)]>;
2777 def CMP16rm : I<0x3B, MRMSrcMem,
2778 (outs), (ins GR16:$src1, i16mem:$src2),
2779 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2780 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2781 (implicit EFLAGS)]>, OpSize;
2782 def CMP32rm : I<0x3B, MRMSrcMem,
2783 (outs), (ins GR32:$src1, i32mem:$src2),
2784 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2785 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2786 (implicit EFLAGS)]>;
2787 def CMP8ri : Ii8<0x80, MRM7r,
2788 (outs), (ins GR8:$src1, i8imm:$src2),
2789 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2790 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2791 def CMP16ri : Ii16<0x81, MRM7r,
2792 (outs), (ins GR16:$src1, i16imm:$src2),
2793 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2794 [(X86cmp GR16:$src1, imm:$src2),
2795 (implicit EFLAGS)]>, OpSize;
2796 def CMP32ri : Ii32<0x81, MRM7r,
2797 (outs), (ins GR32:$src1, i32imm:$src2),
2798 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2799 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2800 def CMP8mi : Ii8 <0x80, MRM7m,
2801 (outs), (ins i8mem :$src1, i8imm :$src2),
2802 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2803 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2804 (implicit EFLAGS)]>;
2805 def CMP16mi : Ii16<0x81, MRM7m,
2806 (outs), (ins i16mem:$src1, i16imm:$src2),
2807 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2808 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2809 (implicit EFLAGS)]>, OpSize;
2810 def CMP32mi : Ii32<0x81, MRM7m,
2811 (outs), (ins i32mem:$src1, i32imm:$src2),
2812 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2813 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2814 (implicit EFLAGS)]>;
2815 def CMP16ri8 : Ii8<0x83, MRM7r,
2816 (outs), (ins GR16:$src1, i16i8imm:$src2),
2817 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2818 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2819 (implicit EFLAGS)]>, OpSize;
2820 def CMP16mi8 : Ii8<0x83, MRM7m,
2821 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2822 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2823 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2824 (implicit EFLAGS)]>, OpSize;
2825 def CMP32mi8 : Ii8<0x83, MRM7m,
2826 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2827 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2828 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2829 (implicit EFLAGS)]>;
2830 def CMP32ri8 : Ii8<0x83, MRM7r,
2831 (outs), (ins GR32:$src1, i32i8imm:$src2),
2832 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2833 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2834 (implicit EFLAGS)]>;
2835 } // Defs = [EFLAGS]
2838 // TODO: BTC, BTR, and BTS
2839 let Defs = [EFLAGS] in {
2840 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2841 "bt{w}\t{$src2, $src1|$src1, $src2}",
2842 [(X86bt GR16:$src1, GR16:$src2),
2843 (implicit EFLAGS)]>, OpSize, TB;
2844 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2845 "bt{l}\t{$src2, $src1|$src1, $src2}",
2846 [(X86bt GR32:$src1, GR32:$src2),
2847 (implicit EFLAGS)]>, TB;
2849 // Unlike with the register+register form, the memory+register form of the
2850 // bt instruction does not ignore the high bits of the index. From ISel's
2851 // perspective, this is pretty bizarre. Disable these instructions for now.
2852 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2853 // "bt{w}\t{$src2, $src1|$src1, $src2}",
2854 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2855 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2856 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2857 // "bt{l}\t{$src2, $src1|$src1, $src2}",
2858 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2859 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2861 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2862 "bt{w}\t{$src2, $src1|$src1, $src2}",
2863 [(X86bt GR16:$src1, i16immSExt8:$src2),
2864 (implicit EFLAGS)]>, OpSize, TB;
2865 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2866 "bt{l}\t{$src2, $src1|$src1, $src2}",
2867 [(X86bt GR32:$src1, i32immSExt8:$src2),
2868 (implicit EFLAGS)]>, TB;
2869 // Note that these instructions don't need FastBTMem because that
2870 // only applies when the other operand is in a register. When it's
2871 // an immediate, bt is still fast.
2872 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2873 "bt{w}\t{$src2, $src1|$src1, $src2}",
2874 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
2875 (implicit EFLAGS)]>, OpSize, TB;
2876 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2877 "bt{l}\t{$src2, $src1|$src1, $src2}",
2878 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
2879 (implicit EFLAGS)]>, TB;
2880 } // Defs = [EFLAGS]
2882 // Sign/Zero extenders
2883 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2884 // of the register here. This has a smaller encoding and avoids a
2885 // partial-register update.
2886 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2887 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2888 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2889 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2890 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2891 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2892 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2893 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2894 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2895 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2896 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2897 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2898 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2899 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2900 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2901 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2902 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2903 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2905 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2906 // of the register here. This has a smaller encoding and avoids a
2907 // partial-register update.
2908 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2909 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2910 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2911 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2912 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2913 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2914 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2915 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2916 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2917 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2918 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2919 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2920 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2921 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2922 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2923 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2924 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2925 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2927 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
2928 // except that they use GR32_NOREX for the output operand register class
2929 // instead of GR32. This allows them to operate on h registers on x86-64.
2930 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
2931 (outs GR32_NOREX:$dst), (ins GR8:$src),
2932 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2934 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
2935 (outs GR32_NOREX:$dst), (ins i8mem:$src),
2936 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2939 let neverHasSideEffects = 1 in {
2940 let Defs = [AX], Uses = [AL] in
2941 def CBW : I<0x98, RawFrm, (outs), (ins),
2942 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2943 let Defs = [EAX], Uses = [AX] in
2944 def CWDE : I<0x98, RawFrm, (outs), (ins),
2945 "{cwtl|cwde}", []>; // EAX = signext(AX)
2947 let Defs = [AX,DX], Uses = [AX] in
2948 def CWD : I<0x99, RawFrm, (outs), (ins),
2949 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2950 let Defs = [EAX,EDX], Uses = [EAX] in
2951 def CDQ : I<0x99, RawFrm, (outs), (ins),
2952 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2955 //===----------------------------------------------------------------------===//
2956 // Alias Instructions
2957 //===----------------------------------------------------------------------===//
2959 // Alias instructions that map movr0 to xor.
2960 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2961 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2962 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2963 "xor{b}\t$dst, $dst",
2964 [(set GR8:$dst, 0)]>;
2965 // Use xorl instead of xorw since we don't care about the high 16 bits,
2966 // it's smaller, and it avoids a partial-register update.
2967 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2968 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2969 [(set GR16:$dst, 0)]>;
2970 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2971 "xor{l}\t$dst, $dst",
2972 [(set GR32:$dst, 0)]>;
2975 //===----------------------------------------------------------------------===//
2976 // Thread Local Storage Instructions
2980 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2981 "leal\t${sym:mem}(,%ebx,1), $dst",
2982 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2984 let AddedComplexity = 5 in
2985 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2986 "movl\t%gs:$src, $dst",
2987 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
2989 //===----------------------------------------------------------------------===//
2990 // DWARF Pseudo Instructions
2993 def DWARF_LOC : I<0, Pseudo, (outs),
2994 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2995 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2996 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2999 //===----------------------------------------------------------------------===//
3000 // EH Pseudo Instructions
3002 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3004 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3005 "ret\t#eh_return, addr: $addr",
3006 [(X86ehret GR32:$addr)]>;
3010 //===----------------------------------------------------------------------===//
3014 // Atomic swap. These are just normal xchg instructions. But since a memory
3015 // operand is referenced, the atomicity is ensured.
3016 let Constraints = "$val = $dst" in {
3017 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3018 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3019 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3020 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3021 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3022 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3024 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3025 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3026 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3029 // Atomic compare and swap.
3030 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3031 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3032 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3033 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3035 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3036 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3037 "lock\n\tcmpxchg8b\t$ptr",
3038 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3041 let Defs = [AX, EFLAGS], Uses = [AX] in {
3042 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3043 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3044 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3046 let Defs = [AL, EFLAGS], Uses = [AL] in {
3047 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3048 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3049 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3052 // Atomic exchange and add
3053 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3054 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3055 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
3056 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3058 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3059 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
3060 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3062 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3063 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
3064 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3068 // Atomic exchange, and, or, xor
3069 let Constraints = "$val = $dst", Defs = [EFLAGS],
3070 usesCustomDAGSchedInserter = 1 in {
3071 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3072 "#ATOMAND32 PSEUDO!",
3073 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3074 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3075 "#ATOMOR32 PSEUDO!",
3076 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3077 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3078 "#ATOMXOR32 PSEUDO!",
3079 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3080 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3081 "#ATOMNAND32 PSEUDO!",
3082 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3083 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3084 "#ATOMMIN32 PSEUDO!",
3085 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3086 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3087 "#ATOMMAX32 PSEUDO!",
3088 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3089 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3090 "#ATOMUMIN32 PSEUDO!",
3091 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3092 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3093 "#ATOMUMAX32 PSEUDO!",
3094 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3096 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3097 "#ATOMAND16 PSEUDO!",
3098 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3099 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3100 "#ATOMOR16 PSEUDO!",
3101 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3102 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3103 "#ATOMXOR16 PSEUDO!",
3104 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3105 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3106 "#ATOMNAND16 PSEUDO!",
3107 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3108 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3109 "#ATOMMIN16 PSEUDO!",
3110 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3111 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3112 "#ATOMMAX16 PSEUDO!",
3113 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3114 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3115 "#ATOMUMIN16 PSEUDO!",
3116 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3117 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3118 "#ATOMUMAX16 PSEUDO!",
3119 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3121 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3122 "#ATOMAND8 PSEUDO!",
3123 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3124 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3126 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3127 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3128 "#ATOMXOR8 PSEUDO!",
3129 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3130 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3131 "#ATOMNAND8 PSEUDO!",
3132 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3135 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3136 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3137 Uses = [EAX, EBX, ECX, EDX],
3138 mayLoad = 1, mayStore = 1,
3139 usesCustomDAGSchedInserter = 1 in {
3140 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3141 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3142 "#ATOMAND6432 PSEUDO!", []>;
3143 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3144 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3145 "#ATOMOR6432 PSEUDO!", []>;
3146 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3147 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3148 "#ATOMXOR6432 PSEUDO!", []>;
3149 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3150 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3151 "#ATOMNAND6432 PSEUDO!", []>;
3152 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3153 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3154 "#ATOMADD6432 PSEUDO!", []>;
3155 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3156 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3157 "#ATOMSUB6432 PSEUDO!", []>;
3158 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3159 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3160 "#ATOMSWAP6432 PSEUDO!", []>;
3163 //===----------------------------------------------------------------------===//
3164 // Non-Instruction Patterns
3165 //===----------------------------------------------------------------------===//
3167 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3168 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3169 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3170 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3171 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3172 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3174 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3175 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3176 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3177 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3178 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3179 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3180 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3181 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3183 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3184 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3185 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3186 (MOV32mi addr:$dst, texternalsym:$src)>;
3190 def : Pat<(X86tailcall GR32:$dst),
3193 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3195 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3198 def : Pat<(X86tcret GR32:$dst, imm:$off),
3199 (TCRETURNri GR32:$dst, imm:$off)>;
3201 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3202 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3204 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3205 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3207 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3208 (CALLpcrel32 tglobaladdr:$dst)>;
3209 def : Pat<(X86call (i32 texternalsym:$dst)),
3210 (CALLpcrel32 texternalsym:$dst)>;
3212 // X86 specific add which produces a flag.
3213 def : Pat<(addc GR32:$src1, GR32:$src2),
3214 (ADD32rr GR32:$src1, GR32:$src2)>;
3215 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3216 (ADD32rm GR32:$src1, addr:$src2)>;
3217 def : Pat<(addc GR32:$src1, imm:$src2),
3218 (ADD32ri GR32:$src1, imm:$src2)>;
3219 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3220 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3222 def : Pat<(subc GR32:$src1, GR32:$src2),
3223 (SUB32rr GR32:$src1, GR32:$src2)>;
3224 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3225 (SUB32rm GR32:$src1, addr:$src2)>;
3226 def : Pat<(subc GR32:$src1, imm:$src2),
3227 (SUB32ri GR32:$src1, imm:$src2)>;
3228 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3229 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3233 // TEST R,R is smaller than CMP R,0
3234 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3235 (TEST8rr GR8:$src1, GR8:$src1)>;
3236 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3237 (TEST16rr GR16:$src1, GR16:$src1)>;
3238 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3239 (TEST32rr GR32:$src1, GR32:$src1)>;
3241 // Conditional moves with folded loads with operands swapped and conditions
3243 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3244 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3245 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3246 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3247 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3248 (CMOVB16rm GR16:$src2, addr:$src1)>;
3249 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3250 (CMOVB32rm GR32:$src2, addr:$src1)>;
3251 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3252 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3253 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3254 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3255 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3256 (CMOVE16rm GR16:$src2, addr:$src1)>;
3257 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3258 (CMOVE32rm GR32:$src2, addr:$src1)>;
3259 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3260 (CMOVA16rm GR16:$src2, addr:$src1)>;
3261 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3262 (CMOVA32rm GR32:$src2, addr:$src1)>;
3263 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3264 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3265 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3266 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3267 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3268 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3269 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3270 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3271 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3272 (CMOVL16rm GR16:$src2, addr:$src1)>;
3273 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3274 (CMOVL32rm GR32:$src2, addr:$src1)>;
3275 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3276 (CMOVG16rm GR16:$src2, addr:$src1)>;
3277 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3278 (CMOVG32rm GR32:$src2, addr:$src1)>;
3279 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3280 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3281 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3282 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3283 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3284 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3285 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3286 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3287 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3288 (CMOVP16rm GR16:$src2, addr:$src1)>;
3289 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3290 (CMOVP32rm GR32:$src2, addr:$src1)>;
3291 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3292 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3293 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3294 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3295 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3296 (CMOVS16rm GR16:$src2, addr:$src1)>;
3297 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3298 (CMOVS32rm GR32:$src2, addr:$src1)>;
3299 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3300 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3301 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3302 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3303 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3304 (CMOVO16rm GR16:$src2, addr:$src1)>;
3305 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3306 (CMOVO32rm GR32:$src2, addr:$src1)>;
3308 // zextload bool -> zextload byte
3309 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3310 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3311 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3313 // extload bool -> extload byte
3314 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3315 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3316 Requires<[In32BitMode]>;
3317 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3318 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3319 Requires<[In32BitMode]>;
3320 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3321 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3324 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3325 Requires<[In32BitMode]>;
3326 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3327 Requires<[In32BitMode]>;
3328 def : Pat<(i32 (anyext GR16:$src)),
3329 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3331 // (and (i32 load), 255) -> (zextload i8)
3332 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3333 (MOVZX32rm8 addr:$src)>;
3334 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3335 (MOVZX32rm16 addr:$src)>;
3337 //===----------------------------------------------------------------------===//
3339 //===----------------------------------------------------------------------===//
3341 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3342 // +128 doesn't, so in this special case use a sub instead of an add.
3343 def : Pat<(add GR16:$src1, 128),
3344 (SUB16ri8 GR16:$src1, -128)>;
3345 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3346 (SUB16mi8 addr:$dst, -128)>;
3347 def : Pat<(add GR32:$src1, 128),
3348 (SUB32ri8 GR32:$src1, -128)>;
3349 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3350 (SUB32mi8 addr:$dst, -128)>;
3352 // r & (2^16-1) ==> movz
3353 def : Pat<(and GR32:$src1, 0xffff),
3354 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3355 // r & (2^8-1) ==> movz
3356 def : Pat<(and GR32:$src1, 0xff),
3357 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_),
3359 Requires<[In32BitMode]>;
3360 // r & (2^8-1) ==> movz
3361 def : Pat<(and GR16:$src1, 0xff),
3362 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_),
3364 Requires<[In32BitMode]>;
3366 // sext_inreg patterns
3367 def : Pat<(sext_inreg GR32:$src, i16),
3368 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3369 def : Pat<(sext_inreg GR32:$src, i8),
3370 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3372 Requires<[In32BitMode]>;
3373 def : Pat<(sext_inreg GR16:$src, i8),
3374 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3376 Requires<[In32BitMode]>;
3379 def : Pat<(i16 (trunc GR32:$src)),
3380 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3381 def : Pat<(i8 (trunc GR32:$src)),
3382 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3384 Requires<[In32BitMode]>;
3385 def : Pat<(i8 (trunc GR16:$src)),
3386 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3388 Requires<[In32BitMode]>;
3390 // h-register tricks
3391 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3392 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3393 x86_subreg_8bit_hi)>,
3394 Requires<[In32BitMode]>;
3395 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3396 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3397 x86_subreg_8bit_hi)>,
3398 Requires<[In32BitMode]>;
3399 def : Pat<(srl_su GR16:$src, (i8 8)),
3402 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3403 x86_subreg_8bit_hi)),
3405 Requires<[In32BitMode]>;
3406 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3407 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3408 x86_subreg_8bit_hi))>,
3409 Requires<[In32BitMode]>;
3411 // (shl x, 1) ==> (add x, x)
3412 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3413 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3414 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3416 // (shl x (and y, 31)) ==> (shl x, y)
3417 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3418 (SHL8rCL GR8:$src1)>;
3419 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3420 (SHL16rCL GR16:$src1)>;
3421 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3422 (SHL32rCL GR32:$src1)>;
3423 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3424 (SHL8mCL addr:$dst)>;
3425 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3426 (SHL16mCL addr:$dst)>;
3427 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3428 (SHL32mCL addr:$dst)>;
3430 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3431 (SHR8rCL GR8:$src1)>;
3432 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3433 (SHR16rCL GR16:$src1)>;
3434 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3435 (SHR32rCL GR32:$src1)>;
3436 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3437 (SHR8mCL addr:$dst)>;
3438 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3439 (SHR16mCL addr:$dst)>;
3440 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3441 (SHR32mCL addr:$dst)>;
3443 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3444 (SAR8rCL GR8:$src1)>;
3445 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3446 (SAR16rCL GR16:$src1)>;
3447 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3448 (SAR32rCL GR32:$src1)>;
3449 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3450 (SAR8mCL addr:$dst)>;
3451 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3452 (SAR16mCL addr:$dst)>;
3453 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3454 (SAR32mCL addr:$dst)>;
3456 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3457 def : Pat<(or (srl GR32:$src1, CL:$amt),
3458 (shl GR32:$src2, (sub 32, CL:$amt))),
3459 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3461 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3462 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3463 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3465 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3466 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3467 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3469 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3470 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3472 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3474 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3475 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3477 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3478 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3479 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3481 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3482 def : Pat<(or (shl GR32:$src1, CL:$amt),
3483 (srl GR32:$src2, (sub 32, CL:$amt))),
3484 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3486 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3487 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3488 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3490 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3491 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3492 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3494 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3495 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3497 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3499 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3500 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3502 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3503 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3504 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3506 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3507 def : Pat<(or (srl GR16:$src1, CL:$amt),
3508 (shl GR16:$src2, (sub 16, CL:$amt))),
3509 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3511 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3512 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3513 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3515 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3516 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3517 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3519 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3520 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3522 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3524 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3525 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3527 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3528 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3529 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3531 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3532 def : Pat<(or (shl GR16:$src1, CL:$amt),
3533 (srl GR16:$src2, (sub 16, CL:$amt))),
3534 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3536 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3537 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3538 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3540 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3541 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3542 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3544 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3545 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3547 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3549 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3550 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3552 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3553 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3554 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3556 //===----------------------------------------------------------------------===//
3557 // EFLAGS-defining Patterns
3558 //===----------------------------------------------------------------------===//
3560 // Register-Register Addition with EFLAGS result
3561 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3563 (ADD8rr GR8:$src1, GR8:$src2)>;
3565 // Register-Register Addition with EFLAGS result
3566 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3568 (ADD16rr GR16:$src1, GR16:$src2)>;
3569 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3571 (ADD32rr GR32:$src1, GR32:$src2)>;
3573 // Register-Memory Addition with EFLAGS result
3574 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3576 (ADD8rm GR8:$src1, addr:$src2)>;
3577 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3579 (ADD16rm GR16:$src1, addr:$src2)>;
3580 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3582 (ADD32rm GR32:$src1, addr:$src2)>;
3584 // Register-Integer Addition with EFLAGS result
3585 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3587 (ADD8ri GR8:$src1, imm:$src2)>;
3589 // Register-Integer Addition with EFLAGS result
3590 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3592 (ADD16ri GR16:$src1, imm:$src2)>;
3593 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3595 (ADD32ri GR32:$src1, imm:$src2)>;
3596 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3598 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3599 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3601 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3603 // Memory-Register Addition with EFLAGS result
3604 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3607 (ADD8mr addr:$dst, GR8:$src2)>;
3608 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3611 (ADD16mr addr:$dst, GR16:$src2)>;
3612 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3615 (ADD32mr addr:$dst, GR32:$src2)>;
3616 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3619 (ADD8mi addr:$dst, imm:$src2)>;
3620 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3623 (ADD16mi addr:$dst, imm:$src2)>;
3624 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3627 (ADD32mi addr:$dst, imm:$src2)>;
3628 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3631 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3632 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3635 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3637 // Register-Register Subtraction with EFLAGS result
3638 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3640 (SUB8rr GR8:$src1, GR8:$src2)>;
3641 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3643 (SUB16rr GR16:$src1, GR16:$src2)>;
3644 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3646 (SUB32rr GR32:$src1, GR32:$src2)>;
3648 // Register-Memory Subtraction with EFLAGS result
3649 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3651 (SUB8rm GR8:$src1, addr:$src2)>;
3652 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3654 (SUB16rm GR16:$src1, addr:$src2)>;
3655 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3657 (SUB32rm GR32:$src1, addr:$src2)>;
3659 // Register-Integer Subtraction with EFLAGS result
3660 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3662 (SUB8ri GR8:$src1, imm:$src2)>;
3663 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3665 (SUB16ri GR16:$src1, imm:$src2)>;
3666 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3668 (SUB32ri GR32:$src1, imm:$src2)>;
3669 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3671 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3672 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3674 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3676 // Memory-Register Subtraction with EFLAGS result
3677 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3680 (SUB8mr addr:$dst, GR8:$src2)>;
3681 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3684 (SUB16mr addr:$dst, GR16:$src2)>;
3685 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3688 (SUB32mr addr:$dst, GR32:$src2)>;
3690 // Memory-Integer Subtraction with EFLAGS result
3691 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3694 (SUB8mi addr:$dst, imm:$src2)>;
3695 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3698 (SUB16mi addr:$dst, imm:$src2)>;
3699 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3702 (SUB32mi addr:$dst, imm:$src2)>;
3703 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3706 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3707 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3710 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3713 // Register-Register Signed Integer Multiply with EFLAGS result
3714 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3716 (IMUL16rr GR16:$src1, GR16:$src2)>;
3717 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3719 (IMUL32rr GR32:$src1, GR32:$src2)>;
3721 // Register-Memory Signed Integer Multiply with EFLAGS result
3722 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3724 (IMUL16rm GR16:$src1, addr:$src2)>;
3725 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
3727 (IMUL32rm GR32:$src1, addr:$src2)>;
3729 // Register-Integer Signed Integer Multiply with EFLAGS result
3730 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
3732 (IMUL16rri GR16:$src1, imm:$src2)>;
3733 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
3735 (IMUL32rri GR32:$src1, imm:$src2)>;
3736 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
3738 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3739 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
3741 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3743 // Memory-Integer Signed Integer Multiply with EFLAGS result
3744 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
3746 (IMUL16rmi addr:$src1, imm:$src2)>;
3747 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
3749 (IMUL32rmi addr:$src1, imm:$src2)>;
3750 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
3752 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3753 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
3755 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3757 // Optimize multiply by 2 with EFLAGS result.
3758 let AddedComplexity = 2 in {
3759 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
3761 (ADD16rr GR16:$src1, GR16:$src1)>;
3763 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
3765 (ADD32rr GR32:$src1, GR32:$src1)>;
3768 // INC and DEC with EFLAGS result. Note that these do not set CF.
3769 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
3771 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
3774 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
3776 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
3780 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
3781 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
3782 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
3784 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
3785 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
3786 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
3787 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
3789 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
3791 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
3792 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
3793 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
3795 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
3796 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
3797 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
3798 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
3800 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
3802 //===----------------------------------------------------------------------===//
3803 // Floating Point Stack Support
3804 //===----------------------------------------------------------------------===//
3806 include "X86InstrFPStack.td"
3808 //===----------------------------------------------------------------------===//
3810 //===----------------------------------------------------------------------===//
3812 include "X86Instr64bit.td"
3814 //===----------------------------------------------------------------------===//
3815 // XMM Floating point support (requires SSE / SSE2)
3816 //===----------------------------------------------------------------------===//
3818 include "X86InstrSSE.td"
3820 //===----------------------------------------------------------------------===//
3821 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3822 //===----------------------------------------------------------------------===//
3824 include "X86InstrMMX.td"