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,
37 def SDTX86BrCond : SDTypeProfile<0, 3,
38 [SDTCisVT<0, OtherVT>,
39 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
41 def SDTX86SetCC : SDTypeProfile<1, 2,
43 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
47 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
49 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
50 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
51 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
53 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
54 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
57 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
59 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
61 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
63 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
65 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
67 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
69 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
71 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
73 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
74 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
75 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
76 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
78 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
80 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
82 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
83 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
85 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
87 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
88 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
90 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
91 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
93 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
94 [SDNPHasChain, SDNPMayStore,
95 SDNPMayLoad, SDNPMemOperand]>;
96 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
97 [SDNPHasChain, SDNPMayStore,
98 SDNPMayLoad, SDNPMemOperand]>;
99 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
100 [SDNPHasChain, SDNPMayStore,
101 SDNPMayLoad, SDNPMemOperand]>;
102 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
103 [SDNPHasChain, SDNPMayStore,
104 SDNPMayLoad, SDNPMemOperand]>;
105 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
106 [SDNPHasChain, SDNPMayStore,
107 SDNPMayLoad, SDNPMemOperand]>;
108 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
109 [SDNPHasChain, SDNPMayStore,
110 SDNPMayLoad, SDNPMemOperand]>;
111 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
112 [SDNPHasChain, SDNPMayStore,
113 SDNPMayLoad, SDNPMemOperand]>;
114 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
115 [SDNPHasChain, SDNPOptInFlag]>;
117 def X86callseq_start :
118 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
119 [SDNPHasChain, SDNPOutFlag]>;
121 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
122 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
124 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
125 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
127 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
128 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
130 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
131 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
132 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
133 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
136 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
137 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
139 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
140 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
142 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
143 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
144 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
145 SDT_X86SegmentBaseAddress, []>;
147 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
150 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
151 [SDNPHasChain, SDNPOptInFlag]>;
153 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
154 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
155 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
156 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
157 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
158 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
160 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
162 //===----------------------------------------------------------------------===//
163 // X86 Operand Definitions.
166 def i32imm_pcrel : Operand<i32> {
167 let PrintMethod = "print_pcrel_imm";
171 // *mem - Operand definitions for the funky X86 addressing mode operands.
173 class X86MemOperand<string printMethod> : Operand<iPTR> {
174 let PrintMethod = printMethod;
175 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm, i8imm);
178 def i8mem : X86MemOperand<"printi8mem">;
179 def i16mem : X86MemOperand<"printi16mem">;
180 def i32mem : X86MemOperand<"printi32mem">;
181 def i64mem : X86MemOperand<"printi64mem">;
182 def i128mem : X86MemOperand<"printi128mem">;
183 def i256mem : X86MemOperand<"printi256mem">;
184 def f32mem : X86MemOperand<"printf32mem">;
185 def f64mem : X86MemOperand<"printf64mem">;
186 def f80mem : X86MemOperand<"printf80mem">;
187 def f128mem : X86MemOperand<"printf128mem">;
188 def f256mem : X86MemOperand<"printf256mem">;
190 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
191 // plain GR64, so that it doesn't potentially require a REX prefix.
192 def i8mem_NOREX : Operand<i64> {
193 let PrintMethod = "printi8mem";
194 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX, i32imm, i8imm);
197 def lea32mem : Operand<i32> {
198 let PrintMethod = "printlea32mem";
199 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
202 def SSECC : Operand<i8> {
203 let PrintMethod = "printSSECC";
206 def piclabel: Operand<i32> {
207 let PrintMethod = "printPICLabel";
210 // A couple of more descriptive operand definitions.
211 // 16-bits but only 8 bits are significant.
212 def i16i8imm : Operand<i16>;
213 // 32-bits but only 8 bits are significant.
214 def i32i8imm : Operand<i32>;
216 // Branch targets have OtherVT type and print as pc-relative values.
217 def brtarget : Operand<OtherVT> {
218 let PrintMethod = "print_pcrel_imm";
221 def brtarget8 : Operand<OtherVT> {
222 let PrintMethod = "print_pcrel_imm";
225 //===----------------------------------------------------------------------===//
226 // X86 Complex Pattern Definitions.
229 // Define X86 specific addressing mode.
230 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
231 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
232 [add, sub, mul, shl, or, frameindex], []>;
233 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
234 [tglobaltlsaddr], []>;
236 //===----------------------------------------------------------------------===//
237 // X86 Instruction Predicate Definitions.
238 def HasMMX : Predicate<"Subtarget->hasMMX()">;
239 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
240 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
241 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
242 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
243 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
244 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
245 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
246 def HasAVX : Predicate<"Subtarget->hasAVX()">;
247 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
248 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
249 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
250 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
251 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
252 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
253 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
254 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
255 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
256 def OptForSpeed : Predicate<"!OptForSize">;
257 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
258 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
260 //===----------------------------------------------------------------------===//
261 // X86 Instruction Format Definitions.
264 include "X86InstrFormats.td"
266 //===----------------------------------------------------------------------===//
267 // Pattern fragments...
270 // X86 specific condition code. These correspond to CondCode in
271 // X86InstrInfo.h. They must be kept in synch.
272 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
273 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
274 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
275 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
276 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
277 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
278 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
279 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
280 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
281 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
282 def X86_COND_NO : PatLeaf<(i8 10)>;
283 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
284 def X86_COND_NS : PatLeaf<(i8 12)>;
285 def X86_COND_O : PatLeaf<(i8 13)>;
286 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
287 def X86_COND_S : PatLeaf<(i8 15)>;
289 def i16immSExt8 : PatLeaf<(i16 imm), [{
290 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
291 // sign extended field.
292 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
295 def i32immSExt8 : PatLeaf<(i32 imm), [{
296 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
297 // sign extended field.
298 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
301 // Helper fragments for loads.
302 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
303 // known to be 32-bit aligned or better. Ditto for i8 to i16.
304 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
305 LoadSDNode *LD = cast<LoadSDNode>(N);
306 if (const Value *Src = LD->getSrcValue())
307 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
308 if (PT->getAddressSpace() > 255)
310 ISD::LoadExtType ExtType = LD->getExtensionType();
311 if (ExtType == ISD::NON_EXTLOAD)
313 if (ExtType == ISD::EXTLOAD)
314 return LD->getAlignment() >= 2 && !LD->isVolatile();
318 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
319 LoadSDNode *LD = cast<LoadSDNode>(N);
320 if (const Value *Src = LD->getSrcValue())
321 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
322 if (PT->getAddressSpace() > 255)
324 ISD::LoadExtType ExtType = LD->getExtensionType();
325 if (ExtType == ISD::EXTLOAD)
326 return LD->getAlignment() >= 2 && !LD->isVolatile();
330 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
331 LoadSDNode *LD = cast<LoadSDNode>(N);
332 if (const Value *Src = LD->getSrcValue())
333 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
334 if (PT->getAddressSpace() > 255)
336 ISD::LoadExtType ExtType = LD->getExtensionType();
337 if (ExtType == ISD::NON_EXTLOAD)
339 if (ExtType == ISD::EXTLOAD)
340 return LD->getAlignment() >= 4 && !LD->isVolatile();
344 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
345 LoadSDNode *LD = cast<LoadSDNode>(N);
346 if (const Value *Src = LD->getSrcValue())
347 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
348 if (PT->getAddressSpace() > 255)
350 if (LD->isVolatile())
352 ISD::LoadExtType ExtType = LD->getExtensionType();
353 if (ExtType == ISD::NON_EXTLOAD)
355 if (ExtType == ISD::EXTLOAD)
356 return LD->getAlignment() >= 4;
360 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
361 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
362 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
363 return PT->getAddressSpace() == 256;
367 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
368 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
369 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
370 return PT->getAddressSpace() == 257;
374 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
375 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
376 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
377 if (PT->getAddressSpace() > 255)
381 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
382 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
383 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
384 if (PT->getAddressSpace() > 255)
389 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
390 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
391 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
392 if (PT->getAddressSpace() > 255)
396 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
397 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
398 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
399 if (PT->getAddressSpace() > 255)
403 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
404 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
405 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
406 if (PT->getAddressSpace() > 255)
411 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
412 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
413 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
415 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
416 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
417 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
418 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
419 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
420 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
422 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
423 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
424 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
425 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
426 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
427 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
430 // An 'and' node with a single use.
431 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
432 return N->hasOneUse();
434 // An 'srl' node with a single use.
435 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
436 return N->hasOneUse();
438 // An 'trunc' node with a single use.
439 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
440 return N->hasOneUse();
443 // 'shld' and 'shrd' instruction patterns. Note that even though these have
444 // the srl and shl in their patterns, the C++ code must still check for them,
445 // because predicates are tested before children nodes are explored.
447 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
448 (or (srl node:$src1, node:$amt1),
449 (shl node:$src2, node:$amt2)), [{
450 assert(N->getOpcode() == ISD::OR);
451 return N->getOperand(0).getOpcode() == ISD::SRL &&
452 N->getOperand(1).getOpcode() == ISD::SHL &&
453 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
454 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
455 N->getOperand(0).getConstantOperandVal(1) ==
456 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
459 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
460 (or (shl node:$src1, node:$amt1),
461 (srl node:$src2, node:$amt2)), [{
462 assert(N->getOpcode() == ISD::OR);
463 return N->getOperand(0).getOpcode() == ISD::SHL &&
464 N->getOperand(1).getOpcode() == ISD::SRL &&
465 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
466 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
467 N->getOperand(0).getConstantOperandVal(1) ==
468 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
471 //===----------------------------------------------------------------------===//
472 // Instruction list...
475 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
476 // a stack adjustment and the codegen must know that they may modify the stack
477 // pointer before prolog-epilog rewriting occurs.
478 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
479 // sub / add which can clobber EFLAGS.
480 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
481 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
483 [(X86callseq_start timm:$amt)]>,
484 Requires<[In32BitMode]>;
485 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
487 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
488 Requires<[In32BitMode]>;
492 let neverHasSideEffects = 1 in {
493 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
494 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
495 "nopl\t$zero", []>, TB;
499 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
500 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
504 //===----------------------------------------------------------------------===//
505 // Control Flow Instructions...
508 // Return instructions.
509 let isTerminator = 1, isReturn = 1, isBarrier = 1,
510 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
511 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
514 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
516 [(X86retflag imm:$amt)]>;
519 // All branches are RawFrm, Void, Branch, and Terminators
520 let isBranch = 1, isTerminator = 1 in
521 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
522 I<opcode, RawFrm, (outs), ins, asm, pattern>;
524 let isBranch = 1, isBarrier = 1 in {
525 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
526 def JMP8 : IBr<0xEB, (ins brtarget8:$dst), "jmp\t$dst", []>;
530 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
531 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
532 [(brind GR32:$dst)]>;
533 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
534 [(brind (loadi32 addr:$dst))]>;
537 // Conditional branches
538 let Uses = [EFLAGS] in {
539 // Short conditional jumps
540 def JO8 : IBr<0x70, (ins brtarget8:$dst), "jo\t$dst", []>;
541 def JNO8 : IBr<0x71, (ins brtarget8:$dst), "jno\t$dst", []>;
542 def JB8 : IBr<0x72, (ins brtarget8:$dst), "jb\t$dst", []>;
543 def JAE8 : IBr<0x73, (ins brtarget8:$dst), "jae\t$dst", []>;
544 def JE8 : IBr<0x74, (ins brtarget8:$dst), "je\t$dst", []>;
545 def JNE8 : IBr<0x75, (ins brtarget8:$dst), "jne\t$dst", []>;
546 def JBE8 : IBr<0x76, (ins brtarget8:$dst), "jbe\t$dst", []>;
547 def JA8 : IBr<0x77, (ins brtarget8:$dst), "ja\t$dst", []>;
548 def JS8 : IBr<0x78, (ins brtarget8:$dst), "js\t$dst", []>;
549 def JNS8 : IBr<0x79, (ins brtarget8:$dst), "jns\t$dst", []>;
550 def JP8 : IBr<0x7A, (ins brtarget8:$dst), "jp\t$dst", []>;
551 def JNP8 : IBr<0x7B, (ins brtarget8:$dst), "jnp\t$dst", []>;
552 def JL8 : IBr<0x7C, (ins brtarget8:$dst), "jl\t$dst", []>;
553 def JGE8 : IBr<0x7D, (ins brtarget8:$dst), "jge\t$dst", []>;
554 def JLE8 : IBr<0x7E, (ins brtarget8:$dst), "jle\t$dst", []>;
555 def JG8 : IBr<0x7F, (ins brtarget8:$dst), "jg\t$dst", []>;
557 def JCXZ8 : IBr<0xE3, (ins brtarget8:$dst), "jcxz\t$dst", []>;
559 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
560 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
561 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
562 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
563 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
564 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
565 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
566 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
567 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
568 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
569 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
570 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
572 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
573 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
574 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
575 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
576 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
577 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
578 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
579 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
581 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
582 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
583 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
584 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
585 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
586 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
587 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
588 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
589 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
590 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
591 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
592 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
595 //===----------------------------------------------------------------------===//
596 // Call Instructions...
599 // All calls clobber the non-callee saved registers. ESP is marked as
600 // a use to prevent stack-pointer assignments that appear immediately
601 // before calls from potentially appearing dead. Uses for argument
602 // registers are added manually.
603 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
604 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
605 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
606 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
608 def CALLpcrel32 : Ii32<0xE8, RawFrm,
609 (outs), (ins i32imm_pcrel:$dst,variable_ops),
611 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
612 "call\t{*}$dst", [(X86call GR32:$dst)]>;
613 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
614 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
619 def TAILCALL : I<0, Pseudo, (outs), (ins),
623 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
624 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
625 "#TC_RETURN $dst $offset",
628 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
629 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
630 "#TC_RETURN $dst $offset",
633 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
635 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
637 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
638 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
640 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
641 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
642 "jmp\t{*}$dst # TAILCALL", []>;
644 //===----------------------------------------------------------------------===//
645 // Miscellaneous Instructions...
647 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
648 def LEAVE : I<0xC9, RawFrm,
649 (outs), (ins), "leave", []>;
651 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
653 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
656 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
659 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
660 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
661 "push{l}\t$imm", []>;
662 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
663 "push{l}\t$imm", []>;
664 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
665 "push{l}\t$imm", []>;
668 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
669 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
670 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
671 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
673 let isTwoAddress = 1 in // GR32 = bswap GR32
674 def BSWAP32r : I<0xC8, AddRegFrm,
675 (outs GR32:$dst), (ins GR32:$src),
677 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
680 // Bit scan instructions.
681 let Defs = [EFLAGS] in {
682 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
683 "bsf{w}\t{$src, $dst|$dst, $src}",
684 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
685 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
686 "bsf{w}\t{$src, $dst|$dst, $src}",
687 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
688 (implicit EFLAGS)]>, TB;
689 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
690 "bsf{l}\t{$src, $dst|$dst, $src}",
691 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
692 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
693 "bsf{l}\t{$src, $dst|$dst, $src}",
694 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
695 (implicit EFLAGS)]>, TB;
697 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
698 "bsr{w}\t{$src, $dst|$dst, $src}",
699 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
700 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
701 "bsr{w}\t{$src, $dst|$dst, $src}",
702 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
703 (implicit EFLAGS)]>, TB;
704 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
705 "bsr{l}\t{$src, $dst|$dst, $src}",
706 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
707 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
708 "bsr{l}\t{$src, $dst|$dst, $src}",
709 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
710 (implicit EFLAGS)]>, TB;
713 let neverHasSideEffects = 1 in
714 def LEA16r : I<0x8D, MRMSrcMem,
715 (outs GR16:$dst), (ins i32mem:$src),
716 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
717 let isReMaterializable = 1 in
718 def LEA32r : I<0x8D, MRMSrcMem,
719 (outs GR32:$dst), (ins lea32mem:$src),
720 "lea{l}\t{$src|$dst}, {$dst|$src}",
721 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
723 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
724 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
725 [(X86rep_movs i8)]>, REP;
726 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
727 [(X86rep_movs i16)]>, REP, OpSize;
728 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
729 [(X86rep_movs i32)]>, REP;
732 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
733 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
734 [(X86rep_stos i8)]>, REP;
735 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
736 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
737 [(X86rep_stos i16)]>, REP, OpSize;
738 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
739 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
740 [(X86rep_stos i32)]>, REP;
742 let Defs = [RAX, RDX] in
743 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
746 let isBarrier = 1, hasCtrlDep = 1 in {
747 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
750 //===----------------------------------------------------------------------===//
751 // Input/Output Instructions...
753 let Defs = [AL], Uses = [DX] in
754 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
755 "in{b}\t{%dx, %al|%AL, %DX}", []>;
756 let Defs = [AX], Uses = [DX] in
757 def IN16rr : I<0xED, RawFrm, (outs), (ins),
758 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
759 let Defs = [EAX], Uses = [DX] in
760 def IN32rr : I<0xED, RawFrm, (outs), (ins),
761 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
764 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
765 "in{b}\t{$port, %al|%AL, $port}", []>;
767 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
768 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
770 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
771 "in{l}\t{$port, %eax|%EAX, $port}", []>;
773 let Uses = [DX, AL] in
774 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
775 "out{b}\t{%al, %dx|%DX, %AL}", []>;
776 let Uses = [DX, AX] in
777 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
778 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
779 let Uses = [DX, EAX] in
780 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
781 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
784 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
785 "out{b}\t{%al, $port|$port, %AL}", []>;
787 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
788 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
790 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
791 "out{l}\t{%eax, $port|$port, %EAX}", []>;
793 //===----------------------------------------------------------------------===//
794 // Move Instructions...
796 let neverHasSideEffects = 1 in {
797 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
798 "mov{b}\t{$src, $dst|$dst, $src}", []>;
799 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
800 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
801 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
802 "mov{l}\t{$src, $dst|$dst, $src}", []>;
804 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
805 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
806 "mov{b}\t{$src, $dst|$dst, $src}",
807 [(set GR8:$dst, imm:$src)]>;
808 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
809 "mov{w}\t{$src, $dst|$dst, $src}",
810 [(set GR16:$dst, imm:$src)]>, OpSize;
811 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
812 "mov{l}\t{$src, $dst|$dst, $src}",
813 [(set GR32:$dst, imm:$src)]>;
815 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
816 "mov{b}\t{$src, $dst|$dst, $src}",
817 [(store (i8 imm:$src), addr:$dst)]>;
818 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
819 "mov{w}\t{$src, $dst|$dst, $src}",
820 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
821 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
822 "mov{l}\t{$src, $dst|$dst, $src}",
823 [(store (i32 imm:$src), addr:$dst)]>;
825 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
826 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
827 "mov{b}\t{$src, $dst|$dst, $src}",
828 [(set GR8:$dst, (loadi8 addr:$src))]>;
829 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
830 "mov{w}\t{$src, $dst|$dst, $src}",
831 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
832 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
833 "mov{l}\t{$src, $dst|$dst, $src}",
834 [(set GR32:$dst, (loadi32 addr:$src))]>;
837 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
838 "mov{b}\t{$src, $dst|$dst, $src}",
839 [(store GR8:$src, addr:$dst)]>;
840 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
841 "mov{w}\t{$src, $dst|$dst, $src}",
842 [(store GR16:$src, addr:$dst)]>, OpSize;
843 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
844 "mov{l}\t{$src, $dst|$dst, $src}",
845 [(store GR32:$src, addr:$dst)]>;
847 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
848 // that they can be used for copying and storing h registers, which can't be
849 // encoded when a REX prefix is present.
850 let neverHasSideEffects = 1 in
851 def MOV8rr_NOREX : I<0x88, MRMDestReg,
852 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
853 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
855 def MOV8mr_NOREX : I<0x88, MRMDestMem,
856 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
857 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
859 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
860 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
861 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
862 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
864 //===----------------------------------------------------------------------===//
865 // Fixed-Register Multiplication and Division Instructions...
868 // Extra precision multiplication
869 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
870 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
871 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
872 // This probably ought to be moved to a def : Pat<> if the
873 // syntax can be accepted.
874 [(set AL, (mul AL, GR8:$src)),
875 (implicit EFLAGS)]>; // AL,AH = AL*GR8
877 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
878 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
880 []>, OpSize; // AX,DX = AX*GR16
882 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
883 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
885 []>; // EAX,EDX = EAX*GR32
887 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
888 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
890 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
891 // This probably ought to be moved to a def : Pat<> if the
892 // syntax can be accepted.
893 [(set AL, (mul AL, (loadi8 addr:$src))),
894 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
896 let mayLoad = 1, neverHasSideEffects = 1 in {
897 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
898 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
900 []>, OpSize; // AX,DX = AX*[mem16]
902 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
903 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
905 []>; // EAX,EDX = EAX*[mem32]
908 let neverHasSideEffects = 1 in {
909 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
910 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
912 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
913 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
914 OpSize; // AX,DX = AX*GR16
915 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
916 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
917 // EAX,EDX = EAX*GR32
919 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
920 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
921 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
922 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
923 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
924 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
925 let Defs = [EAX,EDX], Uses = [EAX] in
926 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
927 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
929 } // neverHasSideEffects
931 // unsigned division/remainder
932 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
933 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
935 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
936 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
937 "div{w}\t$src", []>, OpSize;
938 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
939 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
942 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
943 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
945 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
946 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
947 "div{w}\t$src", []>, OpSize;
948 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
949 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
953 // Signed division/remainder.
954 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
955 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
956 "idiv{b}\t$src", []>;
957 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
958 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
959 "idiv{w}\t$src", []>, OpSize;
960 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
961 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
962 "idiv{l}\t$src", []>;
963 let mayLoad = 1, mayLoad = 1 in {
964 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
965 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
966 "idiv{b}\t$src", []>;
967 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
968 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
969 "idiv{w}\t$src", []>, OpSize;
970 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
971 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
972 "idiv{l}\t$src", []>;
975 //===----------------------------------------------------------------------===//
976 // Two address Instructions.
978 let isTwoAddress = 1 in {
981 let Uses = [EFLAGS] in {
982 let isCommutable = 1 in {
983 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
984 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
985 "cmovb\t{$src2, $dst|$dst, $src2}",
986 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
987 X86_COND_B, EFLAGS))]>,
989 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
990 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
991 "cmovb\t{$src2, $dst|$dst, $src2}",
992 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
993 X86_COND_B, EFLAGS))]>,
995 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
996 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
997 "cmovae\t{$src2, $dst|$dst, $src2}",
998 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
999 X86_COND_AE, EFLAGS))]>,
1001 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1002 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1003 "cmovae\t{$src2, $dst|$dst, $src2}",
1004 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1005 X86_COND_AE, EFLAGS))]>,
1007 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1008 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1009 "cmove\t{$src2, $dst|$dst, $src2}",
1010 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1011 X86_COND_E, EFLAGS))]>,
1013 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1014 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1015 "cmove\t{$src2, $dst|$dst, $src2}",
1016 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1017 X86_COND_E, EFLAGS))]>,
1019 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1020 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1021 "cmovne\t{$src2, $dst|$dst, $src2}",
1022 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1023 X86_COND_NE, EFLAGS))]>,
1025 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1026 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1027 "cmovne\t{$src2, $dst|$dst, $src2}",
1028 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1029 X86_COND_NE, EFLAGS))]>,
1031 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1032 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1033 "cmovbe\t{$src2, $dst|$dst, $src2}",
1034 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1035 X86_COND_BE, EFLAGS))]>,
1037 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1038 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1039 "cmovbe\t{$src2, $dst|$dst, $src2}",
1040 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1041 X86_COND_BE, EFLAGS))]>,
1043 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1044 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1045 "cmova\t{$src2, $dst|$dst, $src2}",
1046 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1047 X86_COND_A, EFLAGS))]>,
1049 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1050 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1051 "cmova\t{$src2, $dst|$dst, $src2}",
1052 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1053 X86_COND_A, EFLAGS))]>,
1055 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1056 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1057 "cmovl\t{$src2, $dst|$dst, $src2}",
1058 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1059 X86_COND_L, EFLAGS))]>,
1061 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1062 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1063 "cmovl\t{$src2, $dst|$dst, $src2}",
1064 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1065 X86_COND_L, EFLAGS))]>,
1067 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1068 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1069 "cmovge\t{$src2, $dst|$dst, $src2}",
1070 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1071 X86_COND_GE, EFLAGS))]>,
1073 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1074 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1075 "cmovge\t{$src2, $dst|$dst, $src2}",
1076 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1077 X86_COND_GE, EFLAGS))]>,
1079 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1080 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1081 "cmovle\t{$src2, $dst|$dst, $src2}",
1082 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1083 X86_COND_LE, EFLAGS))]>,
1085 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1086 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1087 "cmovle\t{$src2, $dst|$dst, $src2}",
1088 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1089 X86_COND_LE, EFLAGS))]>,
1091 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1092 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1093 "cmovg\t{$src2, $dst|$dst, $src2}",
1094 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1095 X86_COND_G, EFLAGS))]>,
1097 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1098 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1099 "cmovg\t{$src2, $dst|$dst, $src2}",
1100 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1101 X86_COND_G, EFLAGS))]>,
1103 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1104 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1105 "cmovs\t{$src2, $dst|$dst, $src2}",
1106 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1107 X86_COND_S, EFLAGS))]>,
1109 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1110 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1111 "cmovs\t{$src2, $dst|$dst, $src2}",
1112 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1113 X86_COND_S, EFLAGS))]>,
1115 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1116 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1117 "cmovns\t{$src2, $dst|$dst, $src2}",
1118 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1119 X86_COND_NS, EFLAGS))]>,
1121 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1122 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1123 "cmovns\t{$src2, $dst|$dst, $src2}",
1124 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1125 X86_COND_NS, EFLAGS))]>,
1127 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1128 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1129 "cmovp\t{$src2, $dst|$dst, $src2}",
1130 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1131 X86_COND_P, EFLAGS))]>,
1133 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1134 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1135 "cmovp\t{$src2, $dst|$dst, $src2}",
1136 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1137 X86_COND_P, EFLAGS))]>,
1139 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1140 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1141 "cmovnp\t{$src2, $dst|$dst, $src2}",
1142 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1143 X86_COND_NP, EFLAGS))]>,
1145 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1146 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1147 "cmovnp\t{$src2, $dst|$dst, $src2}",
1148 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1149 X86_COND_NP, EFLAGS))]>,
1151 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1152 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1153 "cmovo\t{$src2, $dst|$dst, $src2}",
1154 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1155 X86_COND_O, EFLAGS))]>,
1157 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1158 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1159 "cmovo\t{$src2, $dst|$dst, $src2}",
1160 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1161 X86_COND_O, EFLAGS))]>,
1163 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1164 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1165 "cmovno\t{$src2, $dst|$dst, $src2}",
1166 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1167 X86_COND_NO, EFLAGS))]>,
1169 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1170 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1171 "cmovno\t{$src2, $dst|$dst, $src2}",
1172 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1173 X86_COND_NO, EFLAGS))]>,
1175 } // isCommutable = 1
1177 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1178 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1179 "cmovb\t{$src2, $dst|$dst, $src2}",
1180 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1181 X86_COND_B, EFLAGS))]>,
1183 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1184 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1185 "cmovb\t{$src2, $dst|$dst, $src2}",
1186 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1187 X86_COND_B, EFLAGS))]>,
1189 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1190 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1191 "cmovae\t{$src2, $dst|$dst, $src2}",
1192 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1193 X86_COND_AE, EFLAGS))]>,
1195 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1196 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1197 "cmovae\t{$src2, $dst|$dst, $src2}",
1198 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1199 X86_COND_AE, EFLAGS))]>,
1201 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1202 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1203 "cmove\t{$src2, $dst|$dst, $src2}",
1204 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1205 X86_COND_E, EFLAGS))]>,
1207 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1208 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1209 "cmove\t{$src2, $dst|$dst, $src2}",
1210 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1211 X86_COND_E, EFLAGS))]>,
1213 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1214 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1215 "cmovne\t{$src2, $dst|$dst, $src2}",
1216 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1217 X86_COND_NE, EFLAGS))]>,
1219 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1220 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1221 "cmovne\t{$src2, $dst|$dst, $src2}",
1222 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1223 X86_COND_NE, EFLAGS))]>,
1225 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1226 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1227 "cmovbe\t{$src2, $dst|$dst, $src2}",
1228 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1229 X86_COND_BE, EFLAGS))]>,
1231 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1232 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1233 "cmovbe\t{$src2, $dst|$dst, $src2}",
1234 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1235 X86_COND_BE, EFLAGS))]>,
1237 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1238 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1239 "cmova\t{$src2, $dst|$dst, $src2}",
1240 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1241 X86_COND_A, EFLAGS))]>,
1243 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1244 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1245 "cmova\t{$src2, $dst|$dst, $src2}",
1246 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1247 X86_COND_A, EFLAGS))]>,
1249 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1250 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1251 "cmovl\t{$src2, $dst|$dst, $src2}",
1252 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1253 X86_COND_L, EFLAGS))]>,
1255 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1256 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1257 "cmovl\t{$src2, $dst|$dst, $src2}",
1258 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1259 X86_COND_L, EFLAGS))]>,
1261 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1262 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1263 "cmovge\t{$src2, $dst|$dst, $src2}",
1264 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1265 X86_COND_GE, EFLAGS))]>,
1267 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1268 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1269 "cmovge\t{$src2, $dst|$dst, $src2}",
1270 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1271 X86_COND_GE, EFLAGS))]>,
1273 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1274 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1275 "cmovle\t{$src2, $dst|$dst, $src2}",
1276 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1277 X86_COND_LE, EFLAGS))]>,
1279 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1280 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1281 "cmovle\t{$src2, $dst|$dst, $src2}",
1282 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1283 X86_COND_LE, EFLAGS))]>,
1285 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1286 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1287 "cmovg\t{$src2, $dst|$dst, $src2}",
1288 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1289 X86_COND_G, EFLAGS))]>,
1291 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1292 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1293 "cmovg\t{$src2, $dst|$dst, $src2}",
1294 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1295 X86_COND_G, EFLAGS))]>,
1297 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1298 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1299 "cmovs\t{$src2, $dst|$dst, $src2}",
1300 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1301 X86_COND_S, EFLAGS))]>,
1303 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1304 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1305 "cmovs\t{$src2, $dst|$dst, $src2}",
1306 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1307 X86_COND_S, EFLAGS))]>,
1309 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1310 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1311 "cmovns\t{$src2, $dst|$dst, $src2}",
1312 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1313 X86_COND_NS, EFLAGS))]>,
1315 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1316 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1317 "cmovns\t{$src2, $dst|$dst, $src2}",
1318 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1319 X86_COND_NS, EFLAGS))]>,
1321 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1322 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1323 "cmovp\t{$src2, $dst|$dst, $src2}",
1324 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1325 X86_COND_P, EFLAGS))]>,
1327 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1328 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1329 "cmovp\t{$src2, $dst|$dst, $src2}",
1330 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1331 X86_COND_P, EFLAGS))]>,
1333 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1334 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1335 "cmovnp\t{$src2, $dst|$dst, $src2}",
1336 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1337 X86_COND_NP, EFLAGS))]>,
1339 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1340 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1341 "cmovnp\t{$src2, $dst|$dst, $src2}",
1342 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1343 X86_COND_NP, EFLAGS))]>,
1345 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1346 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1347 "cmovo\t{$src2, $dst|$dst, $src2}",
1348 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1349 X86_COND_O, EFLAGS))]>,
1351 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1352 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1353 "cmovo\t{$src2, $dst|$dst, $src2}",
1354 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1355 X86_COND_O, EFLAGS))]>,
1357 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1358 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1359 "cmovno\t{$src2, $dst|$dst, $src2}",
1360 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1361 X86_COND_NO, EFLAGS))]>,
1363 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1364 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1365 "cmovno\t{$src2, $dst|$dst, $src2}",
1366 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1367 X86_COND_NO, EFLAGS))]>,
1369 } // Uses = [EFLAGS]
1372 // unary instructions
1373 let CodeSize = 2 in {
1374 let Defs = [EFLAGS] in {
1375 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1376 [(set GR8:$dst, (ineg GR8:$src)),
1377 (implicit EFLAGS)]>;
1378 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1379 [(set GR16:$dst, (ineg GR16:$src)),
1380 (implicit EFLAGS)]>, OpSize;
1381 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1382 [(set GR32:$dst, (ineg GR32:$src)),
1383 (implicit EFLAGS)]>;
1384 let isTwoAddress = 0 in {
1385 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1386 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1387 (implicit EFLAGS)]>;
1388 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1389 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1390 (implicit EFLAGS)]>, OpSize;
1391 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1392 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1393 (implicit EFLAGS)]>;
1395 } // Defs = [EFLAGS]
1397 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1398 let AddedComplexity = 15 in {
1399 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1400 [(set GR8:$dst, (not GR8:$src))]>;
1401 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1402 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1403 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1404 [(set GR32:$dst, (not GR32:$src))]>;
1406 let isTwoAddress = 0 in {
1407 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1408 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1409 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1410 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1411 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1412 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1416 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1417 let Defs = [EFLAGS] in {
1419 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1420 [(set GR8:$dst, (add GR8:$src, 1)),
1421 (implicit EFLAGS)]>;
1422 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1423 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1424 [(set GR16:$dst, (add GR16:$src, 1)),
1425 (implicit EFLAGS)]>,
1426 OpSize, Requires<[In32BitMode]>;
1427 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1428 [(set GR32:$dst, (add GR32:$src, 1)),
1429 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1431 let isTwoAddress = 0, CodeSize = 2 in {
1432 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1433 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1434 (implicit EFLAGS)]>;
1435 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1436 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1437 (implicit EFLAGS)]>,
1438 OpSize, Requires<[In32BitMode]>;
1439 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1440 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1441 (implicit EFLAGS)]>,
1442 Requires<[In32BitMode]>;
1446 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1447 [(set GR8:$dst, (add GR8:$src, -1)),
1448 (implicit EFLAGS)]>;
1449 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1450 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1451 [(set GR16:$dst, (add GR16:$src, -1)),
1452 (implicit EFLAGS)]>,
1453 OpSize, Requires<[In32BitMode]>;
1454 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1455 [(set GR32:$dst, (add GR32:$src, -1)),
1456 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1459 let isTwoAddress = 0, CodeSize = 2 in {
1460 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1461 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1462 (implicit EFLAGS)]>;
1463 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1464 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1465 (implicit EFLAGS)]>,
1466 OpSize, Requires<[In32BitMode]>;
1467 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1468 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1469 (implicit EFLAGS)]>,
1470 Requires<[In32BitMode]>;
1472 } // Defs = [EFLAGS]
1474 // Logical operators...
1475 let Defs = [EFLAGS] in {
1476 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1477 def AND8rr : I<0x20, MRMDestReg,
1478 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1479 "and{b}\t{$src2, $dst|$dst, $src2}",
1480 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1481 (implicit EFLAGS)]>;
1482 def AND16rr : I<0x21, MRMDestReg,
1483 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1484 "and{w}\t{$src2, $dst|$dst, $src2}",
1485 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1486 (implicit EFLAGS)]>, OpSize;
1487 def AND32rr : I<0x21, MRMDestReg,
1488 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1489 "and{l}\t{$src2, $dst|$dst, $src2}",
1490 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1491 (implicit EFLAGS)]>;
1494 def AND8rm : I<0x22, MRMSrcMem,
1495 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1496 "and{b}\t{$src2, $dst|$dst, $src2}",
1497 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1498 (implicit EFLAGS)]>;
1499 def AND16rm : I<0x23, MRMSrcMem,
1500 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1501 "and{w}\t{$src2, $dst|$dst, $src2}",
1502 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1503 (implicit EFLAGS)]>, OpSize;
1504 def AND32rm : I<0x23, MRMSrcMem,
1505 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1506 "and{l}\t{$src2, $dst|$dst, $src2}",
1507 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1508 (implicit EFLAGS)]>;
1510 def AND8ri : Ii8<0x80, MRM4r,
1511 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1512 "and{b}\t{$src2, $dst|$dst, $src2}",
1513 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1514 (implicit EFLAGS)]>;
1515 def AND16ri : Ii16<0x81, MRM4r,
1516 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1517 "and{w}\t{$src2, $dst|$dst, $src2}",
1518 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1519 (implicit EFLAGS)]>, OpSize;
1520 def AND32ri : Ii32<0x81, MRM4r,
1521 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1522 "and{l}\t{$src2, $dst|$dst, $src2}",
1523 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1524 (implicit EFLAGS)]>;
1525 def AND16ri8 : Ii8<0x83, MRM4r,
1526 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1527 "and{w}\t{$src2, $dst|$dst, $src2}",
1528 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1529 (implicit EFLAGS)]>,
1531 def AND32ri8 : Ii8<0x83, MRM4r,
1532 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1533 "and{l}\t{$src2, $dst|$dst, $src2}",
1534 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1535 (implicit EFLAGS)]>;
1537 let isTwoAddress = 0 in {
1538 def AND8mr : I<0x20, MRMDestMem,
1539 (outs), (ins i8mem :$dst, GR8 :$src),
1540 "and{b}\t{$src, $dst|$dst, $src}",
1541 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1542 (implicit EFLAGS)]>;
1543 def AND16mr : I<0x21, MRMDestMem,
1544 (outs), (ins i16mem:$dst, GR16:$src),
1545 "and{w}\t{$src, $dst|$dst, $src}",
1546 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1547 (implicit EFLAGS)]>,
1549 def AND32mr : I<0x21, MRMDestMem,
1550 (outs), (ins i32mem:$dst, GR32:$src),
1551 "and{l}\t{$src, $dst|$dst, $src}",
1552 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1553 (implicit EFLAGS)]>;
1554 def AND8mi : Ii8<0x80, MRM4m,
1555 (outs), (ins i8mem :$dst, i8imm :$src),
1556 "and{b}\t{$src, $dst|$dst, $src}",
1557 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1558 (implicit EFLAGS)]>;
1559 def AND16mi : Ii16<0x81, MRM4m,
1560 (outs), (ins i16mem:$dst, i16imm:$src),
1561 "and{w}\t{$src, $dst|$dst, $src}",
1562 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1563 (implicit EFLAGS)]>,
1565 def AND32mi : Ii32<0x81, MRM4m,
1566 (outs), (ins i32mem:$dst, i32imm:$src),
1567 "and{l}\t{$src, $dst|$dst, $src}",
1568 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1569 (implicit EFLAGS)]>;
1570 def AND16mi8 : Ii8<0x83, MRM4m,
1571 (outs), (ins i16mem:$dst, i16i8imm :$src),
1572 "and{w}\t{$src, $dst|$dst, $src}",
1573 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1574 (implicit EFLAGS)]>,
1576 def AND32mi8 : Ii8<0x83, MRM4m,
1577 (outs), (ins i32mem:$dst, i32i8imm :$src),
1578 "and{l}\t{$src, $dst|$dst, $src}",
1579 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1580 (implicit EFLAGS)]>;
1584 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1585 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1586 "or{b}\t{$src2, $dst|$dst, $src2}",
1587 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1588 (implicit EFLAGS)]>;
1589 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1590 "or{w}\t{$src2, $dst|$dst, $src2}",
1591 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1592 (implicit EFLAGS)]>, OpSize;
1593 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1594 "or{l}\t{$src2, $dst|$dst, $src2}",
1595 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1596 (implicit EFLAGS)]>;
1598 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1599 "or{b}\t{$src2, $dst|$dst, $src2}",
1600 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1601 (implicit EFLAGS)]>;
1602 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1603 "or{w}\t{$src2, $dst|$dst, $src2}",
1604 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1605 (implicit EFLAGS)]>, OpSize;
1606 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1607 "or{l}\t{$src2, $dst|$dst, $src2}",
1608 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1609 (implicit EFLAGS)]>;
1611 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1612 "or{b}\t{$src2, $dst|$dst, $src2}",
1613 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1614 (implicit EFLAGS)]>;
1615 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1616 "or{w}\t{$src2, $dst|$dst, $src2}",
1617 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1618 (implicit EFLAGS)]>, OpSize;
1619 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1620 "or{l}\t{$src2, $dst|$dst, $src2}",
1621 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1622 (implicit EFLAGS)]>;
1624 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1625 "or{w}\t{$src2, $dst|$dst, $src2}",
1626 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1627 (implicit EFLAGS)]>, OpSize;
1628 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1629 "or{l}\t{$src2, $dst|$dst, $src2}",
1630 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1631 (implicit EFLAGS)]>;
1632 let isTwoAddress = 0 in {
1633 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1634 "or{b}\t{$src, $dst|$dst, $src}",
1635 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1636 (implicit EFLAGS)]>;
1637 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1638 "or{w}\t{$src, $dst|$dst, $src}",
1639 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1640 (implicit EFLAGS)]>, OpSize;
1641 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1642 "or{l}\t{$src, $dst|$dst, $src}",
1643 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1644 (implicit EFLAGS)]>;
1645 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1646 "or{b}\t{$src, $dst|$dst, $src}",
1647 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1648 (implicit EFLAGS)]>;
1649 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1650 "or{w}\t{$src, $dst|$dst, $src}",
1651 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1652 (implicit EFLAGS)]>,
1654 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1655 "or{l}\t{$src, $dst|$dst, $src}",
1656 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1657 (implicit EFLAGS)]>;
1658 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1659 "or{w}\t{$src, $dst|$dst, $src}",
1660 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1661 (implicit EFLAGS)]>,
1663 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1664 "or{l}\t{$src, $dst|$dst, $src}",
1665 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1666 (implicit EFLAGS)]>;
1667 } // isTwoAddress = 0
1670 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1671 def XOR8rr : I<0x30, MRMDestReg,
1672 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1673 "xor{b}\t{$src2, $dst|$dst, $src2}",
1674 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1675 (implicit EFLAGS)]>;
1676 def XOR16rr : I<0x31, MRMDestReg,
1677 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1678 "xor{w}\t{$src2, $dst|$dst, $src2}",
1679 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1680 (implicit EFLAGS)]>, OpSize;
1681 def XOR32rr : I<0x31, MRMDestReg,
1682 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1683 "xor{l}\t{$src2, $dst|$dst, $src2}",
1684 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1685 (implicit EFLAGS)]>;
1686 } // isCommutable = 1
1688 def XOR8rm : I<0x32, MRMSrcMem ,
1689 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1690 "xor{b}\t{$src2, $dst|$dst, $src2}",
1691 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1692 (implicit EFLAGS)]>;
1693 def XOR16rm : I<0x33, MRMSrcMem ,
1694 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1695 "xor{w}\t{$src2, $dst|$dst, $src2}",
1696 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1697 (implicit EFLAGS)]>,
1699 def XOR32rm : I<0x33, MRMSrcMem ,
1700 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1701 "xor{l}\t{$src2, $dst|$dst, $src2}",
1702 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1703 (implicit EFLAGS)]>;
1705 def XOR8ri : Ii8<0x80, MRM6r,
1706 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1707 "xor{b}\t{$src2, $dst|$dst, $src2}",
1708 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1709 (implicit EFLAGS)]>;
1710 def XOR16ri : Ii16<0x81, MRM6r,
1711 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1712 "xor{w}\t{$src2, $dst|$dst, $src2}",
1713 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1714 (implicit EFLAGS)]>, OpSize;
1715 def XOR32ri : Ii32<0x81, MRM6r,
1716 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1717 "xor{l}\t{$src2, $dst|$dst, $src2}",
1718 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1719 (implicit EFLAGS)]>;
1720 def XOR16ri8 : Ii8<0x83, MRM6r,
1721 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1722 "xor{w}\t{$src2, $dst|$dst, $src2}",
1723 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1724 (implicit EFLAGS)]>,
1726 def XOR32ri8 : Ii8<0x83, MRM6r,
1727 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1728 "xor{l}\t{$src2, $dst|$dst, $src2}",
1729 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1730 (implicit EFLAGS)]>;
1732 let isTwoAddress = 0 in {
1733 def XOR8mr : I<0x30, MRMDestMem,
1734 (outs), (ins i8mem :$dst, GR8 :$src),
1735 "xor{b}\t{$src, $dst|$dst, $src}",
1736 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1737 (implicit EFLAGS)]>;
1738 def XOR16mr : I<0x31, MRMDestMem,
1739 (outs), (ins i16mem:$dst, GR16:$src),
1740 "xor{w}\t{$src, $dst|$dst, $src}",
1741 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1742 (implicit EFLAGS)]>,
1744 def XOR32mr : I<0x31, MRMDestMem,
1745 (outs), (ins i32mem:$dst, GR32:$src),
1746 "xor{l}\t{$src, $dst|$dst, $src}",
1747 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1748 (implicit EFLAGS)]>;
1749 def XOR8mi : Ii8<0x80, MRM6m,
1750 (outs), (ins i8mem :$dst, i8imm :$src),
1751 "xor{b}\t{$src, $dst|$dst, $src}",
1752 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1753 (implicit EFLAGS)]>;
1754 def XOR16mi : Ii16<0x81, MRM6m,
1755 (outs), (ins i16mem:$dst, i16imm:$src),
1756 "xor{w}\t{$src, $dst|$dst, $src}",
1757 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1758 (implicit EFLAGS)]>,
1760 def XOR32mi : Ii32<0x81, MRM6m,
1761 (outs), (ins i32mem:$dst, i32imm:$src),
1762 "xor{l}\t{$src, $dst|$dst, $src}",
1763 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1764 (implicit EFLAGS)]>;
1765 def XOR16mi8 : Ii8<0x83, MRM6m,
1766 (outs), (ins i16mem:$dst, i16i8imm :$src),
1767 "xor{w}\t{$src, $dst|$dst, $src}",
1768 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1769 (implicit EFLAGS)]>,
1771 def XOR32mi8 : Ii8<0x83, MRM6m,
1772 (outs), (ins i32mem:$dst, i32i8imm :$src),
1773 "xor{l}\t{$src, $dst|$dst, $src}",
1774 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1775 (implicit EFLAGS)]>;
1776 } // isTwoAddress = 0
1777 } // Defs = [EFLAGS]
1779 // Shift instructions
1780 let Defs = [EFLAGS] in {
1781 let Uses = [CL] in {
1782 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1783 "shl{b}\t{%cl, $dst|$dst, CL}",
1784 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1785 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1786 "shl{w}\t{%cl, $dst|$dst, CL}",
1787 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1788 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1789 "shl{l}\t{%cl, $dst|$dst, CL}",
1790 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1793 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1794 "shl{b}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1796 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1797 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1798 "shl{w}\t{$src2, $dst|$dst, $src2}",
1799 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1800 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1801 "shl{l}\t{$src2, $dst|$dst, $src2}",
1802 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1803 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1805 } // isConvertibleToThreeAddress = 1
1807 let isTwoAddress = 0 in {
1808 let Uses = [CL] in {
1809 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1810 "shl{b}\t{%cl, $dst|$dst, CL}",
1811 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1812 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1813 "shl{w}\t{%cl, $dst|$dst, CL}",
1814 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1815 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1816 "shl{l}\t{%cl, $dst|$dst, CL}",
1817 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1819 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1820 "shl{b}\t{$src, $dst|$dst, $src}",
1821 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1822 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1823 "shl{w}\t{$src, $dst|$dst, $src}",
1824 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1826 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1827 "shl{l}\t{$src, $dst|$dst, $src}",
1828 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1831 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1833 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1834 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1836 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1838 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1840 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1843 let Uses = [CL] in {
1844 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1845 "shr{b}\t{%cl, $dst|$dst, CL}",
1846 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1847 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1848 "shr{w}\t{%cl, $dst|$dst, CL}",
1849 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1850 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1851 "shr{l}\t{%cl, $dst|$dst, CL}",
1852 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1855 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1856 "shr{b}\t{$src2, $dst|$dst, $src2}",
1857 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1858 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1859 "shr{w}\t{$src2, $dst|$dst, $src2}",
1860 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1861 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1862 "shr{l}\t{$src2, $dst|$dst, $src2}",
1863 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1866 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1868 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1869 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1871 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1872 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1874 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1876 let isTwoAddress = 0 in {
1877 let Uses = [CL] in {
1878 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1879 "shr{b}\t{%cl, $dst|$dst, CL}",
1880 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1881 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1882 "shr{w}\t{%cl, $dst|$dst, CL}",
1883 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1885 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1886 "shr{l}\t{%cl, $dst|$dst, CL}",
1887 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1889 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1890 "shr{b}\t{$src, $dst|$dst, $src}",
1891 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1892 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1893 "shr{w}\t{$src, $dst|$dst, $src}",
1894 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1896 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1897 "shr{l}\t{$src, $dst|$dst, $src}",
1898 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1901 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1903 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1904 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1906 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1907 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1909 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1912 let Uses = [CL] in {
1913 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1914 "sar{b}\t{%cl, $dst|$dst, CL}",
1915 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1916 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1917 "sar{w}\t{%cl, $dst|$dst, CL}",
1918 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1919 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1920 "sar{l}\t{%cl, $dst|$dst, CL}",
1921 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1924 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1925 "sar{b}\t{$src2, $dst|$dst, $src2}",
1926 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1927 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1928 "sar{w}\t{$src2, $dst|$dst, $src2}",
1929 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1931 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1932 "sar{l}\t{$src2, $dst|$dst, $src2}",
1933 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1936 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1938 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1939 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1941 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1942 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1944 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1946 let isTwoAddress = 0 in {
1947 let Uses = [CL] in {
1948 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1949 "sar{b}\t{%cl, $dst|$dst, CL}",
1950 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1951 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1952 "sar{w}\t{%cl, $dst|$dst, CL}",
1953 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1954 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1955 "sar{l}\t{%cl, $dst|$dst, CL}",
1956 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1958 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1959 "sar{b}\t{$src, $dst|$dst, $src}",
1960 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1961 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1962 "sar{w}\t{$src, $dst|$dst, $src}",
1963 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1965 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1966 "sar{l}\t{$src, $dst|$dst, $src}",
1967 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1970 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1972 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1973 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1975 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1977 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1979 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1982 // Rotate instructions
1983 // FIXME: provide shorter instructions when imm8 == 1
1984 let Uses = [CL] in {
1985 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1986 "rol{b}\t{%cl, $dst|$dst, CL}",
1987 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1988 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1989 "rol{w}\t{%cl, $dst|$dst, CL}",
1990 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1991 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1992 "rol{l}\t{%cl, $dst|$dst, CL}",
1993 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1996 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1997 "rol{b}\t{$src2, $dst|$dst, $src2}",
1998 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1999 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2000 "rol{w}\t{$src2, $dst|$dst, $src2}",
2001 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2002 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2003 "rol{l}\t{$src2, $dst|$dst, $src2}",
2004 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2007 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2009 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2010 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2012 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2013 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2015 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2017 let isTwoAddress = 0 in {
2018 let Uses = [CL] in {
2019 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2020 "rol{b}\t{%cl, $dst|$dst, CL}",
2021 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2022 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2023 "rol{w}\t{%cl, $dst|$dst, CL}",
2024 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2025 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2026 "rol{l}\t{%cl, $dst|$dst, CL}",
2027 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2029 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2030 "rol{b}\t{$src, $dst|$dst, $src}",
2031 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2032 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2033 "rol{w}\t{$src, $dst|$dst, $src}",
2034 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2036 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2037 "rol{l}\t{$src, $dst|$dst, $src}",
2038 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2041 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2043 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2044 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2046 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2048 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2050 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2053 let Uses = [CL] in {
2054 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2055 "ror{b}\t{%cl, $dst|$dst, CL}",
2056 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2057 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2058 "ror{w}\t{%cl, $dst|$dst, CL}",
2059 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2060 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2061 "ror{l}\t{%cl, $dst|$dst, CL}",
2062 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2065 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2066 "ror{b}\t{$src2, $dst|$dst, $src2}",
2067 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2068 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2069 "ror{w}\t{$src2, $dst|$dst, $src2}",
2070 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2071 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2072 "ror{l}\t{$src2, $dst|$dst, $src2}",
2073 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2076 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2078 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2079 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2081 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2082 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2084 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2086 let isTwoAddress = 0 in {
2087 let Uses = [CL] in {
2088 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2089 "ror{b}\t{%cl, $dst|$dst, CL}",
2090 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2091 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2092 "ror{w}\t{%cl, $dst|$dst, CL}",
2093 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2094 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2095 "ror{l}\t{%cl, $dst|$dst, CL}",
2096 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2098 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2099 "ror{b}\t{$src, $dst|$dst, $src}",
2100 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2101 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2102 "ror{w}\t{$src, $dst|$dst, $src}",
2103 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2105 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2106 "ror{l}\t{$src, $dst|$dst, $src}",
2107 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2110 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2112 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2113 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2115 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2117 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2119 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2124 // Double shift instructions (generalizations of rotate)
2125 let Uses = [CL] in {
2126 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2127 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2128 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2129 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2130 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2131 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2132 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2133 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2134 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2136 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2137 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2138 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2142 let isCommutable = 1 in { // These instructions commute to each other.
2143 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2144 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2145 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2146 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2149 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2150 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2151 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2152 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2155 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2156 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2157 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2158 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2161 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2162 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2163 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2164 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2169 let isTwoAddress = 0 in {
2170 let Uses = [CL] in {
2171 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2172 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2173 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2175 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2176 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2177 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2180 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2181 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2182 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2183 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2184 (i8 imm:$src3)), addr:$dst)]>,
2186 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2187 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2188 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2189 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2190 (i8 imm:$src3)), addr:$dst)]>,
2193 let Uses = [CL] in {
2194 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2195 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2196 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2197 addr:$dst)]>, TB, OpSize;
2198 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2199 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2200 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2201 addr:$dst)]>, TB, OpSize;
2203 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2204 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2205 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2206 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2207 (i8 imm:$src3)), addr:$dst)]>,
2209 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2210 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2211 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2212 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2213 (i8 imm:$src3)), addr:$dst)]>,
2216 } // Defs = [EFLAGS]
2220 let Defs = [EFLAGS] in {
2221 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2222 // Register-Register Addition
2223 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2224 (ins GR8 :$src1, GR8 :$src2),
2225 "add{b}\t{$src2, $dst|$dst, $src2}",
2226 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2227 (implicit EFLAGS)]>;
2229 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2230 // Register-Register Addition
2231 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2232 (ins GR16:$src1, GR16:$src2),
2233 "add{w}\t{$src2, $dst|$dst, $src2}",
2234 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2235 (implicit EFLAGS)]>, OpSize;
2236 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2237 (ins GR32:$src1, GR32:$src2),
2238 "add{l}\t{$src2, $dst|$dst, $src2}",
2239 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2240 (implicit EFLAGS)]>;
2241 } // end isConvertibleToThreeAddress
2242 } // end isCommutable
2244 // Register-Memory Addition
2245 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2246 (ins GR8 :$src1, i8mem :$src2),
2247 "add{b}\t{$src2, $dst|$dst, $src2}",
2248 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2249 (implicit EFLAGS)]>;
2250 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2251 (ins GR16:$src1, i16mem:$src2),
2252 "add{w}\t{$src2, $dst|$dst, $src2}",
2253 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2254 (implicit EFLAGS)]>, OpSize;
2255 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2256 (ins GR32:$src1, i32mem:$src2),
2257 "add{l}\t{$src2, $dst|$dst, $src2}",
2258 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2259 (implicit EFLAGS)]>;
2261 // Register-Integer Addition
2262 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2263 "add{b}\t{$src2, $dst|$dst, $src2}",
2264 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2265 (implicit EFLAGS)]>;
2267 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2268 // Register-Integer Addition
2269 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2270 (ins GR16:$src1, i16imm:$src2),
2271 "add{w}\t{$src2, $dst|$dst, $src2}",
2272 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2273 (implicit EFLAGS)]>, OpSize;
2274 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2275 (ins GR32:$src1, i32imm:$src2),
2276 "add{l}\t{$src2, $dst|$dst, $src2}",
2277 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2278 (implicit EFLAGS)]>;
2279 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2280 (ins GR16:$src1, i16i8imm:$src2),
2281 "add{w}\t{$src2, $dst|$dst, $src2}",
2282 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2283 (implicit EFLAGS)]>, OpSize;
2284 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2285 (ins GR32:$src1, i32i8imm:$src2),
2286 "add{l}\t{$src2, $dst|$dst, $src2}",
2287 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2288 (implicit EFLAGS)]>;
2291 let isTwoAddress = 0 in {
2292 // Memory-Register Addition
2293 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2294 "add{b}\t{$src2, $dst|$dst, $src2}",
2295 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2296 (implicit EFLAGS)]>;
2297 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2298 "add{w}\t{$src2, $dst|$dst, $src2}",
2299 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2300 (implicit EFLAGS)]>, OpSize;
2301 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2302 "add{l}\t{$src2, $dst|$dst, $src2}",
2303 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2304 (implicit EFLAGS)]>;
2305 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2306 "add{b}\t{$src2, $dst|$dst, $src2}",
2307 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2308 (implicit EFLAGS)]>;
2309 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2310 "add{w}\t{$src2, $dst|$dst, $src2}",
2311 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2312 (implicit EFLAGS)]>, OpSize;
2313 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2314 "add{l}\t{$src2, $dst|$dst, $src2}",
2315 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2316 (implicit EFLAGS)]>;
2317 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2318 "add{w}\t{$src2, $dst|$dst, $src2}",
2319 [(store (add (load addr:$dst), i16immSExt8:$src2),
2321 (implicit EFLAGS)]>, OpSize;
2322 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2323 "add{l}\t{$src2, $dst|$dst, $src2}",
2324 [(store (add (load addr:$dst), i32immSExt8:$src2),
2326 (implicit EFLAGS)]>;
2329 let Uses = [EFLAGS] in {
2330 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2331 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2332 "adc{b}\t{$src2, $dst|$dst, $src2}",
2333 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2334 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2335 (ins GR16:$src1, GR16:$src2),
2336 "adc{w}\t{$src2, $dst|$dst, $src2}",
2337 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2338 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2339 (ins GR32:$src1, GR32:$src2),
2340 "adc{l}\t{$src2, $dst|$dst, $src2}",
2341 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2343 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2344 (ins GR8:$src1, i8mem:$src2),
2345 "adc{b}\t{$src2, $dst|$dst, $src2}",
2346 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2347 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2348 (ins GR16:$src1, i16mem:$src2),
2349 "adc{w}\t{$src2, $dst|$dst, $src2}",
2350 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2352 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2353 (ins GR32:$src1, i32mem:$src2),
2354 "adc{l}\t{$src2, $dst|$dst, $src2}",
2355 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2356 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2357 "adc{b}\t{$src2, $dst|$dst, $src2}",
2358 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2359 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2360 (ins GR16:$src1, i16imm:$src2),
2361 "adc{w}\t{$src2, $dst|$dst, $src2}",
2362 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2363 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2364 (ins GR16:$src1, i16i8imm:$src2),
2365 "adc{w}\t{$src2, $dst|$dst, $src2}",
2366 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2368 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2369 (ins GR32:$src1, i32imm:$src2),
2370 "adc{l}\t{$src2, $dst|$dst, $src2}",
2371 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2372 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2373 (ins GR32:$src1, i32i8imm:$src2),
2374 "adc{l}\t{$src2, $dst|$dst, $src2}",
2375 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2377 let isTwoAddress = 0 in {
2378 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2379 "adc{b}\t{$src2, $dst|$dst, $src2}",
2380 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2381 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2382 "adc{w}\t{$src2, $dst|$dst, $src2}",
2383 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2385 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2386 "adc{l}\t{$src2, $dst|$dst, $src2}",
2387 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2388 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2389 "adc{b}\t{$src2, $dst|$dst, $src2}",
2390 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2391 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2392 "adc{w}\t{$src2, $dst|$dst, $src2}",
2393 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2395 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2396 "adc{w}\t{$src2, $dst|$dst, $src2}",
2397 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2399 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2400 "adc{l}\t{$src2, $dst|$dst, $src2}",
2401 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2402 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2403 "adc{l}\t{$src2, $dst|$dst, $src2}",
2404 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2406 } // Uses = [EFLAGS]
2408 // Register-Register Subtraction
2409 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2410 "sub{b}\t{$src2, $dst|$dst, $src2}",
2411 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2412 (implicit EFLAGS)]>;
2413 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2414 "sub{w}\t{$src2, $dst|$dst, $src2}",
2415 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2416 (implicit EFLAGS)]>, OpSize;
2417 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2418 "sub{l}\t{$src2, $dst|$dst, $src2}",
2419 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2420 (implicit EFLAGS)]>;
2422 // Register-Memory Subtraction
2423 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2424 (ins GR8 :$src1, i8mem :$src2),
2425 "sub{b}\t{$src2, $dst|$dst, $src2}",
2426 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2427 (implicit EFLAGS)]>;
2428 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2429 (ins GR16:$src1, i16mem:$src2),
2430 "sub{w}\t{$src2, $dst|$dst, $src2}",
2431 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2432 (implicit EFLAGS)]>, OpSize;
2433 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2434 (ins GR32:$src1, i32mem:$src2),
2435 "sub{l}\t{$src2, $dst|$dst, $src2}",
2436 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2437 (implicit EFLAGS)]>;
2439 // Register-Integer Subtraction
2440 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2441 (ins GR8:$src1, i8imm:$src2),
2442 "sub{b}\t{$src2, $dst|$dst, $src2}",
2443 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2444 (implicit EFLAGS)]>;
2445 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2446 (ins GR16:$src1, i16imm:$src2),
2447 "sub{w}\t{$src2, $dst|$dst, $src2}",
2448 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2449 (implicit EFLAGS)]>, OpSize;
2450 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2451 (ins GR32:$src1, i32imm:$src2),
2452 "sub{l}\t{$src2, $dst|$dst, $src2}",
2453 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2454 (implicit EFLAGS)]>;
2455 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2456 (ins GR16:$src1, i16i8imm:$src2),
2457 "sub{w}\t{$src2, $dst|$dst, $src2}",
2458 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2459 (implicit EFLAGS)]>, OpSize;
2460 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2461 (ins GR32:$src1, i32i8imm:$src2),
2462 "sub{l}\t{$src2, $dst|$dst, $src2}",
2463 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2464 (implicit EFLAGS)]>;
2466 let isTwoAddress = 0 in {
2467 // Memory-Register Subtraction
2468 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2469 "sub{b}\t{$src2, $dst|$dst, $src2}",
2470 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2471 (implicit EFLAGS)]>;
2472 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2473 "sub{w}\t{$src2, $dst|$dst, $src2}",
2474 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2475 (implicit EFLAGS)]>, OpSize;
2476 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2477 "sub{l}\t{$src2, $dst|$dst, $src2}",
2478 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2479 (implicit EFLAGS)]>;
2481 // Memory-Integer Subtraction
2482 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2483 "sub{b}\t{$src2, $dst|$dst, $src2}",
2484 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2485 (implicit EFLAGS)]>;
2486 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2487 "sub{w}\t{$src2, $dst|$dst, $src2}",
2488 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2489 (implicit EFLAGS)]>, OpSize;
2490 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2491 "sub{l}\t{$src2, $dst|$dst, $src2}",
2492 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2493 (implicit EFLAGS)]>;
2494 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2495 "sub{w}\t{$src2, $dst|$dst, $src2}",
2496 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2498 (implicit EFLAGS)]>, OpSize;
2499 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2500 "sub{l}\t{$src2, $dst|$dst, $src2}",
2501 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2503 (implicit EFLAGS)]>;
2506 let Uses = [EFLAGS] in {
2507 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2508 (ins GR8:$src1, GR8:$src2),
2509 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2510 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2511 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2512 (ins GR16:$src1, GR16:$src2),
2513 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2514 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2515 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2516 (ins GR32:$src1, GR32:$src2),
2517 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2518 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2520 let isTwoAddress = 0 in {
2521 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2522 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2523 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2524 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2525 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2526 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2528 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2529 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2530 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2531 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2532 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2533 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2534 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2535 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2536 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2538 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2539 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2540 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2542 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2543 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2544 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2545 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2546 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2547 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2549 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2550 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2551 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2552 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2553 (ins GR16:$src1, i16mem:$src2),
2554 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2555 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2557 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2558 (ins GR32:$src1, i32mem:$src2),
2559 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2560 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2561 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2562 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2563 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2564 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2565 (ins GR16:$src1, i16imm:$src2),
2566 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2567 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2568 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2569 (ins GR16:$src1, i16i8imm:$src2),
2570 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2571 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2573 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2574 (ins GR32:$src1, i32imm:$src2),
2575 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2576 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2577 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2578 (ins GR32:$src1, i32i8imm:$src2),
2579 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2580 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2581 } // Uses = [EFLAGS]
2582 } // Defs = [EFLAGS]
2584 let Defs = [EFLAGS] in {
2585 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2586 // Register-Register Signed Integer Multiply
2587 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2588 "imul{w}\t{$src2, $dst|$dst, $src2}",
2589 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2590 (implicit EFLAGS)]>, TB, OpSize;
2591 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2592 "imul{l}\t{$src2, $dst|$dst, $src2}",
2593 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2594 (implicit EFLAGS)]>, TB;
2597 // Register-Memory Signed Integer Multiply
2598 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2599 (ins GR16:$src1, i16mem:$src2),
2600 "imul{w}\t{$src2, $dst|$dst, $src2}",
2601 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2602 (implicit EFLAGS)]>, TB, OpSize;
2603 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2604 "imul{l}\t{$src2, $dst|$dst, $src2}",
2605 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2606 (implicit EFLAGS)]>, TB;
2607 } // Defs = [EFLAGS]
2608 } // end Two Address instructions
2610 // Suprisingly enough, these are not two address instructions!
2611 let Defs = [EFLAGS] in {
2612 // Register-Integer Signed Integer Multiply
2613 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2614 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2615 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2616 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2617 (implicit EFLAGS)]>, OpSize;
2618 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2619 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2620 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2621 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2622 (implicit EFLAGS)]>;
2623 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2624 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2625 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2626 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2627 (implicit EFLAGS)]>, OpSize;
2628 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2629 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2630 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2631 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2632 (implicit EFLAGS)]>;
2634 // Memory-Integer Signed Integer Multiply
2635 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2636 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2637 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2638 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2639 (implicit EFLAGS)]>, OpSize;
2640 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2641 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2642 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2643 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2644 (implicit EFLAGS)]>;
2645 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2646 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2647 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2648 [(set GR16:$dst, (mul (load addr:$src1),
2649 i16immSExt8:$src2)),
2650 (implicit EFLAGS)]>, OpSize;
2651 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2652 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2653 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2654 [(set GR32:$dst, (mul (load addr:$src1),
2655 i32immSExt8:$src2)),
2656 (implicit EFLAGS)]>;
2657 } // Defs = [EFLAGS]
2659 //===----------------------------------------------------------------------===//
2660 // Test instructions are just like AND, except they don't generate a result.
2662 let Defs = [EFLAGS] in {
2663 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2664 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2665 "test{b}\t{$src2, $src1|$src1, $src2}",
2666 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2667 (implicit EFLAGS)]>;
2668 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2669 "test{w}\t{$src2, $src1|$src1, $src2}",
2670 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2671 (implicit EFLAGS)]>,
2673 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2674 "test{l}\t{$src2, $src1|$src1, $src2}",
2675 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2676 (implicit EFLAGS)]>;
2679 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2680 "test{b}\t{$src2, $src1|$src1, $src2}",
2681 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2682 (implicit EFLAGS)]>;
2683 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2684 "test{w}\t{$src2, $src1|$src1, $src2}",
2685 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2686 (implicit EFLAGS)]>, OpSize;
2687 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2688 "test{l}\t{$src2, $src1|$src1, $src2}",
2689 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2690 (implicit EFLAGS)]>;
2692 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2693 (outs), (ins GR8:$src1, i8imm:$src2),
2694 "test{b}\t{$src2, $src1|$src1, $src2}",
2695 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2696 (implicit EFLAGS)]>;
2697 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2698 (outs), (ins GR16:$src1, i16imm:$src2),
2699 "test{w}\t{$src2, $src1|$src1, $src2}",
2700 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2701 (implicit EFLAGS)]>, OpSize;
2702 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2703 (outs), (ins GR32:$src1, i32imm:$src2),
2704 "test{l}\t{$src2, $src1|$src1, $src2}",
2705 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2706 (implicit EFLAGS)]>;
2708 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2709 (outs), (ins i8mem:$src1, i8imm:$src2),
2710 "test{b}\t{$src2, $src1|$src1, $src2}",
2711 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2712 (implicit EFLAGS)]>;
2713 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2714 (outs), (ins i16mem:$src1, i16imm:$src2),
2715 "test{w}\t{$src2, $src1|$src1, $src2}",
2716 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2717 (implicit EFLAGS)]>, OpSize;
2718 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2719 (outs), (ins i32mem:$src1, i32imm:$src2),
2720 "test{l}\t{$src2, $src1|$src1, $src2}",
2721 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2722 (implicit EFLAGS)]>;
2723 } // Defs = [EFLAGS]
2726 // Condition code ops, incl. set if equal/not equal/...
2727 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2728 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2729 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2730 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2732 let Uses = [EFLAGS] in {
2733 def SETEr : I<0x94, MRM0r,
2734 (outs GR8 :$dst), (ins),
2736 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2738 def SETEm : I<0x94, MRM0m,
2739 (outs), (ins i8mem:$dst),
2741 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2744 def SETNEr : I<0x95, MRM0r,
2745 (outs GR8 :$dst), (ins),
2747 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2749 def SETNEm : I<0x95, MRM0m,
2750 (outs), (ins i8mem:$dst),
2752 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2755 def SETLr : I<0x9C, MRM0r,
2756 (outs GR8 :$dst), (ins),
2758 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2759 TB; // GR8 = < signed
2760 def SETLm : I<0x9C, MRM0m,
2761 (outs), (ins i8mem:$dst),
2763 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2764 TB; // [mem8] = < signed
2766 def SETGEr : I<0x9D, MRM0r,
2767 (outs GR8 :$dst), (ins),
2769 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2770 TB; // GR8 = >= signed
2771 def SETGEm : I<0x9D, MRM0m,
2772 (outs), (ins i8mem:$dst),
2774 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2775 TB; // [mem8] = >= signed
2777 def SETLEr : I<0x9E, MRM0r,
2778 (outs GR8 :$dst), (ins),
2780 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2781 TB; // GR8 = <= signed
2782 def SETLEm : I<0x9E, MRM0m,
2783 (outs), (ins i8mem:$dst),
2785 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2786 TB; // [mem8] = <= signed
2788 def SETGr : I<0x9F, MRM0r,
2789 (outs GR8 :$dst), (ins),
2791 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2792 TB; // GR8 = > signed
2793 def SETGm : I<0x9F, MRM0m,
2794 (outs), (ins i8mem:$dst),
2796 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2797 TB; // [mem8] = > signed
2799 def SETBr : I<0x92, MRM0r,
2800 (outs GR8 :$dst), (ins),
2802 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2803 TB; // GR8 = < unsign
2804 def SETBm : I<0x92, MRM0m,
2805 (outs), (ins i8mem:$dst),
2807 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2808 TB; // [mem8] = < unsign
2810 def SETAEr : I<0x93, MRM0r,
2811 (outs GR8 :$dst), (ins),
2813 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2814 TB; // GR8 = >= unsign
2815 def SETAEm : I<0x93, MRM0m,
2816 (outs), (ins i8mem:$dst),
2818 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2819 TB; // [mem8] = >= unsign
2821 def SETBEr : I<0x96, MRM0r,
2822 (outs GR8 :$dst), (ins),
2824 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2825 TB; // GR8 = <= unsign
2826 def SETBEm : I<0x96, MRM0m,
2827 (outs), (ins i8mem:$dst),
2829 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2830 TB; // [mem8] = <= unsign
2832 def SETAr : I<0x97, MRM0r,
2833 (outs GR8 :$dst), (ins),
2835 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2836 TB; // GR8 = > signed
2837 def SETAm : I<0x97, MRM0m,
2838 (outs), (ins i8mem:$dst),
2840 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2841 TB; // [mem8] = > signed
2843 def SETSr : I<0x98, MRM0r,
2844 (outs GR8 :$dst), (ins),
2846 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2847 TB; // GR8 = <sign bit>
2848 def SETSm : I<0x98, MRM0m,
2849 (outs), (ins i8mem:$dst),
2851 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2852 TB; // [mem8] = <sign bit>
2853 def SETNSr : I<0x99, MRM0r,
2854 (outs GR8 :$dst), (ins),
2856 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2857 TB; // GR8 = !<sign bit>
2858 def SETNSm : I<0x99, MRM0m,
2859 (outs), (ins i8mem:$dst),
2861 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2862 TB; // [mem8] = !<sign bit>
2864 def SETPr : I<0x9A, MRM0r,
2865 (outs GR8 :$dst), (ins),
2867 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2869 def SETPm : I<0x9A, MRM0m,
2870 (outs), (ins i8mem:$dst),
2872 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2873 TB; // [mem8] = parity
2874 def SETNPr : I<0x9B, MRM0r,
2875 (outs GR8 :$dst), (ins),
2877 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2878 TB; // GR8 = not parity
2879 def SETNPm : I<0x9B, MRM0m,
2880 (outs), (ins i8mem:$dst),
2882 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2883 TB; // [mem8] = not parity
2885 def SETOr : I<0x90, MRM0r,
2886 (outs GR8 :$dst), (ins),
2888 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2889 TB; // GR8 = overflow
2890 def SETOm : I<0x90, MRM0m,
2891 (outs), (ins i8mem:$dst),
2893 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2894 TB; // [mem8] = overflow
2895 def SETNOr : I<0x91, MRM0r,
2896 (outs GR8 :$dst), (ins),
2898 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2899 TB; // GR8 = not overflow
2900 def SETNOm : I<0x91, MRM0m,
2901 (outs), (ins i8mem:$dst),
2903 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2904 TB; // [mem8] = not overflow
2905 } // Uses = [EFLAGS]
2908 // Integer comparisons
2909 let Defs = [EFLAGS] in {
2910 def CMP8rr : I<0x38, MRMDestReg,
2911 (outs), (ins GR8 :$src1, GR8 :$src2),
2912 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2913 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2914 def CMP16rr : I<0x39, MRMDestReg,
2915 (outs), (ins GR16:$src1, GR16:$src2),
2916 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2917 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2918 def CMP32rr : I<0x39, MRMDestReg,
2919 (outs), (ins GR32:$src1, GR32:$src2),
2920 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2921 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2922 def CMP8mr : I<0x38, MRMDestMem,
2923 (outs), (ins i8mem :$src1, GR8 :$src2),
2924 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2925 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2926 (implicit EFLAGS)]>;
2927 def CMP16mr : I<0x39, MRMDestMem,
2928 (outs), (ins i16mem:$src1, GR16:$src2),
2929 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2930 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2931 (implicit EFLAGS)]>, OpSize;
2932 def CMP32mr : I<0x39, MRMDestMem,
2933 (outs), (ins i32mem:$src1, GR32:$src2),
2934 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2935 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2936 (implicit EFLAGS)]>;
2937 def CMP8rm : I<0x3A, MRMSrcMem,
2938 (outs), (ins GR8 :$src1, i8mem :$src2),
2939 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2940 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2941 (implicit EFLAGS)]>;
2942 def CMP16rm : I<0x3B, MRMSrcMem,
2943 (outs), (ins GR16:$src1, i16mem:$src2),
2944 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2945 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2946 (implicit EFLAGS)]>, OpSize;
2947 def CMP32rm : I<0x3B, MRMSrcMem,
2948 (outs), (ins GR32:$src1, i32mem:$src2),
2949 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2950 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2951 (implicit EFLAGS)]>;
2952 def CMP8ri : Ii8<0x80, MRM7r,
2953 (outs), (ins GR8:$src1, i8imm:$src2),
2954 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2955 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2956 def CMP16ri : Ii16<0x81, MRM7r,
2957 (outs), (ins GR16:$src1, i16imm:$src2),
2958 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2959 [(X86cmp GR16:$src1, imm:$src2),
2960 (implicit EFLAGS)]>, OpSize;
2961 def CMP32ri : Ii32<0x81, MRM7r,
2962 (outs), (ins GR32:$src1, i32imm:$src2),
2963 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2964 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2965 def CMP8mi : Ii8 <0x80, MRM7m,
2966 (outs), (ins i8mem :$src1, i8imm :$src2),
2967 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2968 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2969 (implicit EFLAGS)]>;
2970 def CMP16mi : Ii16<0x81, MRM7m,
2971 (outs), (ins i16mem:$src1, i16imm:$src2),
2972 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2973 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2974 (implicit EFLAGS)]>, OpSize;
2975 def CMP32mi : Ii32<0x81, MRM7m,
2976 (outs), (ins i32mem:$src1, i32imm:$src2),
2977 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2978 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2979 (implicit EFLAGS)]>;
2980 def CMP16ri8 : Ii8<0x83, MRM7r,
2981 (outs), (ins GR16:$src1, i16i8imm:$src2),
2982 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2983 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2984 (implicit EFLAGS)]>, OpSize;
2985 def CMP16mi8 : Ii8<0x83, MRM7m,
2986 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2987 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2988 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2989 (implicit EFLAGS)]>, OpSize;
2990 def CMP32mi8 : Ii8<0x83, MRM7m,
2991 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2992 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2993 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2994 (implicit EFLAGS)]>;
2995 def CMP32ri8 : Ii8<0x83, MRM7r,
2996 (outs), (ins GR32:$src1, i32i8imm:$src2),
2997 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2998 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2999 (implicit EFLAGS)]>;
3000 } // Defs = [EFLAGS]
3003 // TODO: BTC, BTR, and BTS
3004 let Defs = [EFLAGS] in {
3005 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3006 "bt{w}\t{$src2, $src1|$src1, $src2}",
3007 [(X86bt GR16:$src1, GR16:$src2),
3008 (implicit EFLAGS)]>, OpSize, TB;
3009 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3010 "bt{l}\t{$src2, $src1|$src1, $src2}",
3011 [(X86bt GR32:$src1, GR32:$src2),
3012 (implicit EFLAGS)]>, TB;
3014 // Unlike with the register+register form, the memory+register form of the
3015 // bt instruction does not ignore the high bits of the index. From ISel's
3016 // perspective, this is pretty bizarre. Disable these instructions for now.
3017 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3018 // "bt{w}\t{$src2, $src1|$src1, $src2}",
3019 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3020 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
3021 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3022 // "bt{l}\t{$src2, $src1|$src1, $src2}",
3023 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3024 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
3026 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3027 "bt{w}\t{$src2, $src1|$src1, $src2}",
3028 [(X86bt GR16:$src1, i16immSExt8:$src2),
3029 (implicit EFLAGS)]>, OpSize, TB;
3030 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3031 "bt{l}\t{$src2, $src1|$src1, $src2}",
3032 [(X86bt GR32:$src1, i32immSExt8:$src2),
3033 (implicit EFLAGS)]>, TB;
3034 // Note that these instructions don't need FastBTMem because that
3035 // only applies when the other operand is in a register. When it's
3036 // an immediate, bt is still fast.
3037 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3038 "bt{w}\t{$src2, $src1|$src1, $src2}",
3039 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3040 (implicit EFLAGS)]>, OpSize, TB;
3041 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3042 "bt{l}\t{$src2, $src1|$src1, $src2}",
3043 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3044 (implicit EFLAGS)]>, TB;
3045 } // Defs = [EFLAGS]
3047 // Sign/Zero extenders
3048 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3049 // of the register here. This has a smaller encoding and avoids a
3050 // partial-register update.
3051 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3052 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3053 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3054 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3055 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3056 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3057 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3058 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3059 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3060 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3061 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3062 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3063 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3064 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3065 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3066 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3067 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3068 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3070 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3071 // of the register here. This has a smaller encoding and avoids a
3072 // partial-register update.
3073 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3074 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3075 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3076 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3077 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3078 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3079 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3080 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3081 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3082 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3083 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3084 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3085 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3086 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3087 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3088 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3089 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3090 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3092 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3093 // except that they use GR32_NOREX for the output operand register class
3094 // instead of GR32. This allows them to operate on h registers on x86-64.
3095 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3096 (outs GR32_NOREX:$dst), (ins GR8:$src),
3097 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3100 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3101 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3102 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3105 let neverHasSideEffects = 1 in {
3106 let Defs = [AX], Uses = [AL] in
3107 def CBW : I<0x98, RawFrm, (outs), (ins),
3108 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3109 let Defs = [EAX], Uses = [AX] in
3110 def CWDE : I<0x98, RawFrm, (outs), (ins),
3111 "{cwtl|cwde}", []>; // EAX = signext(AX)
3113 let Defs = [AX,DX], Uses = [AX] in
3114 def CWD : I<0x99, RawFrm, (outs), (ins),
3115 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3116 let Defs = [EAX,EDX], Uses = [EAX] in
3117 def CDQ : I<0x99, RawFrm, (outs), (ins),
3118 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3121 //===----------------------------------------------------------------------===//
3122 // Alias Instructions
3123 //===----------------------------------------------------------------------===//
3125 // Alias instructions that map movr0 to xor.
3126 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3127 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
3128 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3129 "xor{b}\t$dst, $dst",
3130 [(set GR8:$dst, 0)]>;
3131 // Use xorl instead of xorw since we don't care about the high 16 bits,
3132 // it's smaller, and it avoids a partial-register update.
3133 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3134 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3135 [(set GR16:$dst, 0)]>;
3136 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3137 "xor{l}\t$dst, $dst",
3138 [(set GR32:$dst, 0)]>;
3141 //===----------------------------------------------------------------------===//
3142 // Thread Local Storage Instructions
3145 // All calls clobber the non-callee saved registers. ESP is marked as
3146 // a use to prevent stack-pointer assignments that appear immediately
3147 // before calls from potentially appearing dead.
3148 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3149 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3150 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3151 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3153 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3154 "leal\t$sym, %eax; "
3155 "call\t___tls_get_addr@PLT",
3156 [(X86tlsaddr tls32addr:$sym)]>,
3157 Requires<[In32BitMode]>;
3159 let AddedComplexity = 5 in
3160 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3161 "movl\t%gs:$src, $dst",
3162 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3164 let AddedComplexity = 5 in
3165 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3166 "movl\t%fs:$src, $dst",
3167 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3169 //===----------------------------------------------------------------------===//
3170 // DWARF Pseudo Instructions
3173 def DWARF_LOC : I<0, Pseudo, (outs),
3174 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3175 ".loc\t$file $line $col",
3176 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3179 //===----------------------------------------------------------------------===//
3180 // EH Pseudo Instructions
3182 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3184 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3185 "ret\t#eh_return, addr: $addr",
3186 [(X86ehret GR32:$addr)]>;
3190 //===----------------------------------------------------------------------===//
3194 // Atomic swap. These are just normal xchg instructions. But since a memory
3195 // operand is referenced, the atomicity is ensured.
3196 let Constraints = "$val = $dst" in {
3197 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3198 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3199 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3200 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3201 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3202 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3204 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3205 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3206 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3209 // Atomic compare and swap.
3210 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3211 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3213 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3214 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3216 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3217 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3220 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3223 let Defs = [AX, EFLAGS], Uses = [AX] in {
3224 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3226 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3227 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3229 let Defs = [AL, EFLAGS], Uses = [AL] in {
3230 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3232 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3233 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3236 // Atomic exchange and add
3237 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3238 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3240 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3241 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3243 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3245 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3246 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3248 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3250 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3251 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3255 // Atomic exchange, and, or, xor
3256 let Constraints = "$val = $dst", Defs = [EFLAGS],
3257 usesCustomDAGSchedInserter = 1 in {
3258 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3259 "#ATOMAND32 PSEUDO!",
3260 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3261 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3262 "#ATOMOR32 PSEUDO!",
3263 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3264 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3265 "#ATOMXOR32 PSEUDO!",
3266 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3267 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3268 "#ATOMNAND32 PSEUDO!",
3269 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3270 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3271 "#ATOMMIN32 PSEUDO!",
3272 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3273 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3274 "#ATOMMAX32 PSEUDO!",
3275 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3276 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3277 "#ATOMUMIN32 PSEUDO!",
3278 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3279 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3280 "#ATOMUMAX32 PSEUDO!",
3281 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3283 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3284 "#ATOMAND16 PSEUDO!",
3285 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3286 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3287 "#ATOMOR16 PSEUDO!",
3288 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3289 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3290 "#ATOMXOR16 PSEUDO!",
3291 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3292 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3293 "#ATOMNAND16 PSEUDO!",
3294 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3295 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3296 "#ATOMMIN16 PSEUDO!",
3297 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3298 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3299 "#ATOMMAX16 PSEUDO!",
3300 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3301 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3302 "#ATOMUMIN16 PSEUDO!",
3303 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3304 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3305 "#ATOMUMAX16 PSEUDO!",
3306 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3308 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3309 "#ATOMAND8 PSEUDO!",
3310 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3311 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3313 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3314 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3315 "#ATOMXOR8 PSEUDO!",
3316 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3317 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3318 "#ATOMNAND8 PSEUDO!",
3319 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3322 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3323 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3324 Uses = [EAX, EBX, ECX, EDX],
3325 mayLoad = 1, mayStore = 1,
3326 usesCustomDAGSchedInserter = 1 in {
3327 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3328 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3329 "#ATOMAND6432 PSEUDO!", []>;
3330 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3331 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3332 "#ATOMOR6432 PSEUDO!", []>;
3333 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3334 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3335 "#ATOMXOR6432 PSEUDO!", []>;
3336 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3337 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3338 "#ATOMNAND6432 PSEUDO!", []>;
3339 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3340 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3341 "#ATOMADD6432 PSEUDO!", []>;
3342 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3343 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3344 "#ATOMSUB6432 PSEUDO!", []>;
3345 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3346 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3347 "#ATOMSWAP6432 PSEUDO!", []>;
3350 //===----------------------------------------------------------------------===//
3351 // Non-Instruction Patterns
3352 //===----------------------------------------------------------------------===//
3354 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3355 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3356 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3357 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3358 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3359 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3361 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3362 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3363 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3364 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3365 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3366 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3367 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3368 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3370 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3371 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3372 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3373 (MOV32mi addr:$dst, texternalsym:$src)>;
3377 def : Pat<(X86tailcall GR32:$dst),
3380 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3382 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3385 def : Pat<(X86tcret GR32:$dst, imm:$off),
3386 (TCRETURNri GR32:$dst, imm:$off)>;
3388 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3389 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3391 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3392 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3394 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3395 (CALLpcrel32 tglobaladdr:$dst)>;
3396 def : Pat<(X86call (i32 texternalsym:$dst)),
3397 (CALLpcrel32 texternalsym:$dst)>;
3398 def : Pat<(X86call (i32 imm:$dst)),
3399 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3401 // X86 specific add which produces a flag.
3402 def : Pat<(addc GR32:$src1, GR32:$src2),
3403 (ADD32rr GR32:$src1, GR32:$src2)>;
3404 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3405 (ADD32rm GR32:$src1, addr:$src2)>;
3406 def : Pat<(addc GR32:$src1, imm:$src2),
3407 (ADD32ri GR32:$src1, imm:$src2)>;
3408 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3409 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3411 def : Pat<(subc GR32:$src1, GR32:$src2),
3412 (SUB32rr GR32:$src1, GR32:$src2)>;
3413 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3414 (SUB32rm GR32:$src1, addr:$src2)>;
3415 def : Pat<(subc GR32:$src1, imm:$src2),
3416 (SUB32ri GR32:$src1, imm:$src2)>;
3417 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3418 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3422 // TEST R,R is smaller than CMP R,0
3423 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3424 (TEST8rr GR8:$src1, GR8:$src1)>;
3425 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3426 (TEST16rr GR16:$src1, GR16:$src1)>;
3427 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3428 (TEST32rr GR32:$src1, GR32:$src1)>;
3430 // Conditional moves with folded loads with operands swapped and conditions
3432 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3433 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3434 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3435 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3436 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3437 (CMOVB16rm GR16:$src2, addr:$src1)>;
3438 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3439 (CMOVB32rm GR32:$src2, addr:$src1)>;
3440 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3441 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3442 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3443 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3444 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3445 (CMOVE16rm GR16:$src2, addr:$src1)>;
3446 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3447 (CMOVE32rm GR32:$src2, addr:$src1)>;
3448 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3449 (CMOVA16rm GR16:$src2, addr:$src1)>;
3450 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3451 (CMOVA32rm GR32:$src2, addr:$src1)>;
3452 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3453 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3454 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3455 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3456 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3457 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3458 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3459 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3460 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3461 (CMOVL16rm GR16:$src2, addr:$src1)>;
3462 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3463 (CMOVL32rm GR32:$src2, addr:$src1)>;
3464 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3465 (CMOVG16rm GR16:$src2, addr:$src1)>;
3466 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3467 (CMOVG32rm GR32:$src2, addr:$src1)>;
3468 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3469 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3470 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3471 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3472 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3473 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3474 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3475 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3476 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3477 (CMOVP16rm GR16:$src2, addr:$src1)>;
3478 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3479 (CMOVP32rm GR32:$src2, addr:$src1)>;
3480 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3481 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3482 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3483 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3484 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3485 (CMOVS16rm GR16:$src2, addr:$src1)>;
3486 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3487 (CMOVS32rm GR32:$src2, addr:$src1)>;
3488 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3489 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3490 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3491 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3492 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3493 (CMOVO16rm GR16:$src2, addr:$src1)>;
3494 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3495 (CMOVO32rm GR32:$src2, addr:$src1)>;
3497 // zextload bool -> zextload byte
3498 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3499 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3500 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3502 // extload bool -> extload byte
3503 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3504 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3505 Requires<[In32BitMode]>;
3506 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3507 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3508 Requires<[In32BitMode]>;
3509 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3510 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3513 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3514 Requires<[In32BitMode]>;
3515 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3516 Requires<[In32BitMode]>;
3517 def : Pat<(i32 (anyext GR16:$src)),
3518 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3520 // (and (i32 load), 255) -> (zextload i8)
3521 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3522 (MOVZX32rm8 addr:$src)>;
3523 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3524 (MOVZX32rm16 addr:$src)>;
3526 //===----------------------------------------------------------------------===//
3528 //===----------------------------------------------------------------------===//
3530 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3531 // +128 doesn't, so in this special case use a sub instead of an add.
3532 def : Pat<(add GR16:$src1, 128),
3533 (SUB16ri8 GR16:$src1, -128)>;
3534 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3535 (SUB16mi8 addr:$dst, -128)>;
3536 def : Pat<(add GR32:$src1, 128),
3537 (SUB32ri8 GR32:$src1, -128)>;
3538 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3539 (SUB32mi8 addr:$dst, -128)>;
3541 // r & (2^16-1) ==> movz
3542 def : Pat<(and GR32:$src1, 0xffff),
3543 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3544 // r & (2^8-1) ==> movz
3545 def : Pat<(and GR32:$src1, 0xff),
3546 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3548 Requires<[In32BitMode]>;
3549 // r & (2^8-1) ==> movz
3550 def : Pat<(and GR16:$src1, 0xff),
3551 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3553 Requires<[In32BitMode]>;
3555 // sext_inreg patterns
3556 def : Pat<(sext_inreg GR32:$src, i16),
3557 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3558 def : Pat<(sext_inreg GR32:$src, i8),
3559 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3561 Requires<[In32BitMode]>;
3562 def : Pat<(sext_inreg GR16:$src, i8),
3563 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3565 Requires<[In32BitMode]>;
3568 def : Pat<(i16 (trunc GR32:$src)),
3569 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3570 def : Pat<(i8 (trunc GR32:$src)),
3571 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3573 Requires<[In32BitMode]>;
3574 def : Pat<(i8 (trunc GR16:$src)),
3575 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3577 Requires<[In32BitMode]>;
3579 // h-register tricks
3580 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3581 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3582 x86_subreg_8bit_hi)>,
3583 Requires<[In32BitMode]>;
3584 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3585 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3586 x86_subreg_8bit_hi)>,
3587 Requires<[In32BitMode]>;
3588 def : Pat<(srl_su GR16:$src, (i8 8)),
3591 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3592 x86_subreg_8bit_hi)),
3594 Requires<[In32BitMode]>;
3595 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
3596 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3597 x86_subreg_8bit_hi))>,
3598 Requires<[In32BitMode]>;
3599 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3600 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3601 x86_subreg_8bit_hi))>,
3602 Requires<[In32BitMode]>;
3604 // (shl x, 1) ==> (add x, x)
3605 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3606 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3607 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3609 // (shl x (and y, 31)) ==> (shl x, y)
3610 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3611 (SHL8rCL GR8:$src1)>;
3612 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3613 (SHL16rCL GR16:$src1)>;
3614 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3615 (SHL32rCL GR32:$src1)>;
3616 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3617 (SHL8mCL addr:$dst)>;
3618 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3619 (SHL16mCL addr:$dst)>;
3620 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3621 (SHL32mCL addr:$dst)>;
3623 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3624 (SHR8rCL GR8:$src1)>;
3625 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3626 (SHR16rCL GR16:$src1)>;
3627 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3628 (SHR32rCL GR32:$src1)>;
3629 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3630 (SHR8mCL addr:$dst)>;
3631 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3632 (SHR16mCL addr:$dst)>;
3633 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3634 (SHR32mCL addr:$dst)>;
3636 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3637 (SAR8rCL GR8:$src1)>;
3638 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3639 (SAR16rCL GR16:$src1)>;
3640 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3641 (SAR32rCL GR32:$src1)>;
3642 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3643 (SAR8mCL addr:$dst)>;
3644 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3645 (SAR16mCL addr:$dst)>;
3646 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3647 (SAR32mCL addr:$dst)>;
3649 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3650 def : Pat<(or (srl GR32:$src1, CL:$amt),
3651 (shl GR32:$src2, (sub 32, CL:$amt))),
3652 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3654 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3655 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3656 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3658 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3659 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3660 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3662 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3663 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3665 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3667 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3668 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3670 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3671 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3672 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3674 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3675 def : Pat<(or (shl GR32:$src1, CL:$amt),
3676 (srl GR32:$src2, (sub 32, CL:$amt))),
3677 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3679 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3680 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3681 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3683 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3684 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3685 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3687 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3688 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3690 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3692 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3693 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3695 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3696 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3697 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3699 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3700 def : Pat<(or (srl GR16:$src1, CL:$amt),
3701 (shl GR16:$src2, (sub 16, CL:$amt))),
3702 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3704 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3705 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3706 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3708 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3709 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3710 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3712 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3713 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3715 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3717 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3718 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3720 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3721 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3722 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3724 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3725 def : Pat<(or (shl GR16:$src1, CL:$amt),
3726 (srl GR16:$src2, (sub 16, CL:$amt))),
3727 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3729 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3730 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3731 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3733 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3734 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3735 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3737 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3738 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3740 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3742 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3743 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3745 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3746 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3747 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3749 //===----------------------------------------------------------------------===//
3750 // EFLAGS-defining Patterns
3751 //===----------------------------------------------------------------------===//
3753 // Register-Register Addition with EFLAGS result
3754 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3756 (ADD8rr GR8:$src1, GR8:$src2)>;
3757 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3759 (ADD16rr GR16:$src1, GR16:$src2)>;
3760 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3762 (ADD32rr GR32:$src1, GR32:$src2)>;
3764 // Register-Memory Addition with EFLAGS result
3765 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3767 (ADD8rm GR8:$src1, addr:$src2)>;
3768 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3770 (ADD16rm GR16:$src1, addr:$src2)>;
3771 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3773 (ADD32rm GR32:$src1, addr:$src2)>;
3775 // Register-Integer Addition with EFLAGS result
3776 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3778 (ADD8ri GR8:$src1, imm:$src2)>;
3779 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3781 (ADD16ri GR16:$src1, imm:$src2)>;
3782 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3784 (ADD32ri GR32:$src1, imm:$src2)>;
3785 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3787 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3788 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3790 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3792 // Memory-Register Addition with EFLAGS result
3793 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3796 (ADD8mr addr:$dst, GR8:$src2)>;
3797 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3800 (ADD16mr addr:$dst, GR16:$src2)>;
3801 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3804 (ADD32mr addr:$dst, GR32:$src2)>;
3806 // Memory-Integer Addition with EFLAGS result
3807 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3810 (ADD8mi addr:$dst, imm:$src2)>;
3811 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3814 (ADD16mi addr:$dst, imm:$src2)>;
3815 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3818 (ADD32mi addr:$dst, imm:$src2)>;
3819 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3822 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3823 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3826 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3828 // Register-Register Subtraction with EFLAGS result
3829 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3831 (SUB8rr GR8:$src1, GR8:$src2)>;
3832 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3834 (SUB16rr GR16:$src1, GR16:$src2)>;
3835 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3837 (SUB32rr GR32:$src1, GR32:$src2)>;
3839 // Register-Memory Subtraction with EFLAGS result
3840 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3842 (SUB8rm GR8:$src1, addr:$src2)>;
3843 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3845 (SUB16rm GR16:$src1, addr:$src2)>;
3846 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3848 (SUB32rm GR32:$src1, addr:$src2)>;
3850 // Register-Integer Subtraction with EFLAGS result
3851 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3853 (SUB8ri GR8:$src1, imm:$src2)>;
3854 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3856 (SUB16ri GR16:$src1, imm:$src2)>;
3857 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3859 (SUB32ri GR32:$src1, imm:$src2)>;
3860 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3862 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3863 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3865 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3867 // Memory-Register Subtraction with EFLAGS result
3868 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3871 (SUB8mr addr:$dst, GR8:$src2)>;
3872 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3875 (SUB16mr addr:$dst, GR16:$src2)>;
3876 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3879 (SUB32mr addr:$dst, GR32:$src2)>;
3881 // Memory-Integer Subtraction with EFLAGS result
3882 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3885 (SUB8mi addr:$dst, imm:$src2)>;
3886 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3889 (SUB16mi addr:$dst, imm:$src2)>;
3890 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3893 (SUB32mi addr:$dst, imm:$src2)>;
3894 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3897 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3898 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3901 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3904 // Register-Register Signed Integer Multiply with EFLAGS result
3905 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3907 (IMUL16rr GR16:$src1, GR16:$src2)>;
3908 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3910 (IMUL32rr GR32:$src1, GR32:$src2)>;
3912 // Register-Memory Signed Integer Multiply with EFLAGS result
3913 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3915 (IMUL16rm GR16:$src1, addr:$src2)>;
3916 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
3918 (IMUL32rm GR32:$src1, addr:$src2)>;
3920 // Register-Integer Signed Integer Multiply with EFLAGS result
3921 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
3923 (IMUL16rri GR16:$src1, imm:$src2)>;
3924 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
3926 (IMUL32rri GR32:$src1, imm:$src2)>;
3927 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
3929 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3930 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
3932 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3934 // Memory-Integer Signed Integer Multiply with EFLAGS result
3935 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
3937 (IMUL16rmi addr:$src1, imm:$src2)>;
3938 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
3940 (IMUL32rmi addr:$src1, imm:$src2)>;
3941 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
3943 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3944 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
3946 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3948 // Optimize multiply by 2 with EFLAGS result.
3949 let AddedComplexity = 2 in {
3950 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
3952 (ADD16rr GR16:$src1, GR16:$src1)>;
3954 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
3956 (ADD32rr GR32:$src1, GR32:$src1)>;
3959 // INC and DEC with EFLAGS result. Note that these do not set CF.
3960 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
3962 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
3965 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
3967 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
3971 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
3972 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
3973 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
3975 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
3976 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
3977 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
3978 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
3980 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
3982 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
3983 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
3984 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
3986 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
3987 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
3988 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
3989 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
3991 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
3993 //===----------------------------------------------------------------------===//
3994 // Floating Point Stack Support
3995 //===----------------------------------------------------------------------===//
3997 include "X86InstrFPStack.td"
3999 //===----------------------------------------------------------------------===//
4001 //===----------------------------------------------------------------------===//
4003 include "X86Instr64bit.td"
4005 //===----------------------------------------------------------------------===//
4006 // XMM Floating point support (requires SSE / SSE2)
4007 //===----------------------------------------------------------------------===//
4009 include "X86InstrSSE.td"
4011 //===----------------------------------------------------------------------===//
4012 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4013 //===----------------------------------------------------------------------===//
4015 include "X86InstrMMX.td"