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 f32mem : X86MemOperand<"printf32mem">;
184 def f64mem : X86MemOperand<"printf64mem">;
185 def f80mem : X86MemOperand<"printf80mem">;
186 def f128mem : X86MemOperand<"printf128mem">;
188 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
189 // plain GR64, so that it doesn't potentially require a REX prefix.
190 def i8mem_NOREX : Operand<i64> {
191 let PrintMethod = "printi8mem";
192 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX, i32imm, i8imm);
195 def lea32mem : Operand<i32> {
196 let PrintMethod = "printlea32mem";
197 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
200 def SSECC : Operand<i8> {
201 let PrintMethod = "printSSECC";
204 def piclabel: Operand<i32> {
205 let PrintMethod = "printPICLabel";
208 // A couple of more descriptive operand definitions.
209 // 16-bits but only 8 bits are significant.
210 def i16i8imm : Operand<i16>;
211 // 32-bits but only 8 bits are significant.
212 def i32i8imm : Operand<i32>;
214 // Branch targets have OtherVT type and print as pc-relative values.
215 def brtarget : Operand<OtherVT> {
216 let PrintMethod = "print_pcrel_imm";
219 //===----------------------------------------------------------------------===//
220 // X86 Complex Pattern Definitions.
223 // Define X86 specific addressing mode.
224 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
225 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
226 [add, sub, mul, shl, or, frameindex], []>;
228 //===----------------------------------------------------------------------===//
229 // X86 Instruction Predicate Definitions.
230 def HasMMX : Predicate<"Subtarget->hasMMX()">;
231 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
232 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
233 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
234 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
235 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
236 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
237 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
238 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
239 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
240 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
241 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
242 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
243 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
244 def OptForSpeed : Predicate<"!OptForSize">;
245 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
246 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
248 //===----------------------------------------------------------------------===//
249 // X86 Instruction Format Definitions.
252 include "X86InstrFormats.td"
254 //===----------------------------------------------------------------------===//
255 // Pattern fragments...
258 // X86 specific condition code. These correspond to CondCode in
259 // X86InstrInfo.h. They must be kept in synch.
260 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
261 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
262 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
263 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
264 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
265 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
266 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
267 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
268 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
269 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
270 def X86_COND_NO : PatLeaf<(i8 10)>;
271 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
272 def X86_COND_NS : PatLeaf<(i8 12)>;
273 def X86_COND_O : PatLeaf<(i8 13)>;
274 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
275 def X86_COND_S : PatLeaf<(i8 15)>;
277 def i16immSExt8 : PatLeaf<(i16 imm), [{
278 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
279 // sign extended field.
280 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
283 def i32immSExt8 : PatLeaf<(i32 imm), [{
284 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
285 // sign extended field.
286 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
289 // Helper fragments for loads.
290 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
291 // known to be 32-bit aligned or better. Ditto for i8 to i16.
292 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
293 LoadSDNode *LD = cast<LoadSDNode>(N);
294 if (const Value *Src = LD->getSrcValue())
295 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
296 if (PT->getAddressSpace() > 255)
298 ISD::LoadExtType ExtType = LD->getExtensionType();
299 if (ExtType == ISD::NON_EXTLOAD)
301 if (ExtType == ISD::EXTLOAD)
302 return LD->getAlignment() >= 2 && !LD->isVolatile();
306 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
307 LoadSDNode *LD = cast<LoadSDNode>(N);
308 if (const Value *Src = LD->getSrcValue())
309 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
310 if (PT->getAddressSpace() > 255)
312 ISD::LoadExtType ExtType = LD->getExtensionType();
313 if (ExtType == ISD::EXTLOAD)
314 return LD->getAlignment() >= 2 && !LD->isVolatile();
318 def loadi32 : 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::NON_EXTLOAD)
327 if (ExtType == ISD::EXTLOAD)
328 return LD->getAlignment() >= 4 && !LD->isVolatile();
332 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
333 LoadSDNode *LD = cast<LoadSDNode>(N);
334 if (const Value *Src = LD->getSrcValue())
335 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
336 if (PT->getAddressSpace() > 255)
338 if (LD->isVolatile())
340 ISD::LoadExtType ExtType = LD->getExtensionType();
341 if (ExtType == ISD::NON_EXTLOAD)
343 if (ExtType == ISD::EXTLOAD)
344 return LD->getAlignment() >= 4;
348 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
349 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
350 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
351 return PT->getAddressSpace() == 256;
355 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
356 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
357 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
358 return PT->getAddressSpace() == 257;
362 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
363 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
364 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
365 if (PT->getAddressSpace() > 255)
369 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
370 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
371 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
372 if (PT->getAddressSpace() > 255)
377 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
378 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
379 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
380 if (PT->getAddressSpace() > 255)
384 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
385 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
386 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
387 if (PT->getAddressSpace() > 255)
391 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
392 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
393 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
394 if (PT->getAddressSpace() > 255)
399 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
400 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
401 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
403 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
404 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
405 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
406 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
407 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
408 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
410 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
411 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
412 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
413 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
414 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
415 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
418 // An 'and' node with a single use.
419 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
420 return N->hasOneUse();
422 // An 'srl' node with a single use.
423 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
424 return N->hasOneUse();
426 // An 'trunc' node with a single use.
427 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
428 return N->hasOneUse();
431 // 'shld' and 'shrd' instruction patterns. Note that even though these have
432 // the srl and shl in their patterns, the C++ code must still check for them,
433 // because predicates are tested before children nodes are explored.
435 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
436 (or (srl node:$src1, node:$amt1),
437 (shl node:$src2, node:$amt2)), [{
438 assert(N->getOpcode() == ISD::OR);
439 return N->getOperand(0).getOpcode() == ISD::SRL &&
440 N->getOperand(1).getOpcode() == ISD::SHL &&
441 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
442 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
443 N->getOperand(0).getConstantOperandVal(1) ==
444 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
447 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
448 (or (shl node:$src1, node:$amt1),
449 (srl node:$src2, node:$amt2)), [{
450 assert(N->getOpcode() == ISD::OR);
451 return N->getOperand(0).getOpcode() == ISD::SHL &&
452 N->getOperand(1).getOpcode() == ISD::SRL &&
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 //===----------------------------------------------------------------------===//
460 // Instruction list...
463 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
464 // a stack adjustment and the codegen must know that they may modify the stack
465 // pointer before prolog-epilog rewriting occurs.
466 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
467 // sub / add which can clobber EFLAGS.
468 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
469 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
471 [(X86callseq_start timm:$amt)]>,
472 Requires<[In32BitMode]>;
473 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
475 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
476 Requires<[In32BitMode]>;
480 let neverHasSideEffects = 1 in
481 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
484 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
485 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
489 //===----------------------------------------------------------------------===//
490 // Control Flow Instructions...
493 // Return instructions.
494 let isTerminator = 1, isReturn = 1, isBarrier = 1,
495 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
496 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
499 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
501 [(X86retflag imm:$amt)]>;
504 // All branches are RawFrm, Void, Branch, and Terminators
505 let isBranch = 1, isTerminator = 1 in
506 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
507 I<opcode, RawFrm, (outs), ins, asm, pattern>;
509 let isBranch = 1, isBarrier = 1 in
510 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
513 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
514 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
515 [(brind GR32:$dst)]>;
516 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
517 [(brind (loadi32 addr:$dst))]>;
520 // Conditional branches
521 let Uses = [EFLAGS] in {
522 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
523 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
524 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
525 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
526 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
527 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
528 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
529 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
530 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
531 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
532 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
533 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
535 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
536 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
537 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
538 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
539 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
540 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
541 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
542 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
544 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
545 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
546 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
547 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
548 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
549 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
550 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
551 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
552 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
553 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
554 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
555 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
558 //===----------------------------------------------------------------------===//
559 // Call Instructions...
562 // All calls clobber the non-callee saved registers. ESP is marked as
563 // a use to prevent stack-pointer assignments that appear immediately
564 // before calls from potentially appearing dead. Uses for argument
565 // registers are added manually.
566 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
567 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
568 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
569 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
571 def CALLpcrel32 : Ii32<0xE8, RawFrm,
572 (outs), (ins i32imm_pcrel:$dst,variable_ops),
574 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
575 "call\t{*}$dst", [(X86call GR32:$dst)]>;
576 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
577 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
582 def TAILCALL : I<0, Pseudo, (outs), (ins),
586 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
587 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
588 "#TC_RETURN $dst $offset",
591 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
592 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
593 "#TC_RETURN $dst $offset",
596 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
598 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
600 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
601 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
603 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
604 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
605 "jmp\t{*}$dst # TAILCALL", []>;
607 //===----------------------------------------------------------------------===//
608 // Miscellaneous Instructions...
610 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
611 def LEAVE : I<0xC9, RawFrm,
612 (outs), (ins), "leave", []>;
614 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
616 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
619 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
622 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
623 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
624 "push{l}\t$imm", []>;
625 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
626 "push{l}\t$imm", []>;
627 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
628 "push{l}\t$imm", []>;
631 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
632 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
633 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
634 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
636 let isTwoAddress = 1 in // GR32 = bswap GR32
637 def BSWAP32r : I<0xC8, AddRegFrm,
638 (outs GR32:$dst), (ins GR32:$src),
640 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
643 // Bit scan instructions.
644 let Defs = [EFLAGS] in {
645 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
646 "bsf{w}\t{$src, $dst|$dst, $src}",
647 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
648 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
649 "bsf{w}\t{$src, $dst|$dst, $src}",
650 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
651 (implicit EFLAGS)]>, TB;
652 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
653 "bsf{l}\t{$src, $dst|$dst, $src}",
654 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
655 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
656 "bsf{l}\t{$src, $dst|$dst, $src}",
657 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
658 (implicit EFLAGS)]>, TB;
660 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
661 "bsr{w}\t{$src, $dst|$dst, $src}",
662 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
663 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
664 "bsr{w}\t{$src, $dst|$dst, $src}",
665 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
666 (implicit EFLAGS)]>, TB;
667 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
668 "bsr{l}\t{$src, $dst|$dst, $src}",
669 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
670 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
671 "bsr{l}\t{$src, $dst|$dst, $src}",
672 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
673 (implicit EFLAGS)]>, TB;
676 let neverHasSideEffects = 1 in
677 def LEA16r : I<0x8D, MRMSrcMem,
678 (outs GR16:$dst), (ins i32mem:$src),
679 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
680 let isReMaterializable = 1 in
681 def LEA32r : I<0x8D, MRMSrcMem,
682 (outs GR32:$dst), (ins lea32mem:$src),
683 "lea{l}\t{$src|$dst}, {$dst|$src}",
684 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
686 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
687 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
688 [(X86rep_movs i8)]>, REP;
689 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
690 [(X86rep_movs i16)]>, REP, OpSize;
691 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
692 [(X86rep_movs i32)]>, REP;
695 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
696 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
697 [(X86rep_stos i8)]>, REP;
698 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
699 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
700 [(X86rep_stos i16)]>, REP, OpSize;
701 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
702 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
703 [(X86rep_stos i32)]>, REP;
705 let Defs = [RAX, RDX] in
706 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
709 let isBarrier = 1, hasCtrlDep = 1 in {
710 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
713 //===----------------------------------------------------------------------===//
714 // Input/Output Instructions...
716 let Defs = [AL], Uses = [DX] in
717 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
718 "in{b}\t{%dx, %al|%AL, %DX}", []>;
719 let Defs = [AX], Uses = [DX] in
720 def IN16rr : I<0xED, RawFrm, (outs), (ins),
721 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
722 let Defs = [EAX], Uses = [DX] in
723 def IN32rr : I<0xED, RawFrm, (outs), (ins),
724 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
727 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
728 "in{b}\t{$port, %al|%AL, $port}", []>;
730 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
731 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
733 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
734 "in{l}\t{$port, %eax|%EAX, $port}", []>;
736 let Uses = [DX, AL] in
737 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
738 "out{b}\t{%al, %dx|%DX, %AL}", []>;
739 let Uses = [DX, AX] in
740 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
741 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
742 let Uses = [DX, EAX] in
743 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
744 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
747 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
748 "out{b}\t{%al, $port|$port, %AL}", []>;
750 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
751 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
753 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
754 "out{l}\t{%eax, $port|$port, %EAX}", []>;
756 //===----------------------------------------------------------------------===//
757 // Move Instructions...
759 let neverHasSideEffects = 1 in {
760 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
761 "mov{b}\t{$src, $dst|$dst, $src}", []>;
762 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
763 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
764 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
765 "mov{l}\t{$src, $dst|$dst, $src}", []>;
767 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
768 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
769 "mov{b}\t{$src, $dst|$dst, $src}",
770 [(set GR8:$dst, imm:$src)]>;
771 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
772 "mov{w}\t{$src, $dst|$dst, $src}",
773 [(set GR16:$dst, imm:$src)]>, OpSize;
774 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
775 "mov{l}\t{$src, $dst|$dst, $src}",
776 [(set GR32:$dst, imm:$src)]>;
778 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
779 "mov{b}\t{$src, $dst|$dst, $src}",
780 [(store (i8 imm:$src), addr:$dst)]>;
781 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
782 "mov{w}\t{$src, $dst|$dst, $src}",
783 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
784 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
785 "mov{l}\t{$src, $dst|$dst, $src}",
786 [(store (i32 imm:$src), addr:$dst)]>;
788 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
789 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
790 "mov{b}\t{$src, $dst|$dst, $src}",
791 [(set GR8:$dst, (loadi8 addr:$src))]>;
792 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
793 "mov{w}\t{$src, $dst|$dst, $src}",
794 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
795 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
796 "mov{l}\t{$src, $dst|$dst, $src}",
797 [(set GR32:$dst, (loadi32 addr:$src))]>;
800 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
801 "mov{b}\t{$src, $dst|$dst, $src}",
802 [(store GR8:$src, addr:$dst)]>;
803 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
804 "mov{w}\t{$src, $dst|$dst, $src}",
805 [(store GR16:$src, addr:$dst)]>, OpSize;
806 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
807 "mov{l}\t{$src, $dst|$dst, $src}",
808 [(store GR32:$src, addr:$dst)]>;
810 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
811 // that they can be used for copying and storing h registers, which can't be
812 // encoded when a REX prefix is present.
813 let neverHasSideEffects = 1 in
814 def MOV8rr_NOREX : I<0x88, MRMDestReg,
815 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
816 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
818 def MOV8mr_NOREX : I<0x88, MRMDestMem,
819 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
820 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
822 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
823 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
824 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
825 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
827 //===----------------------------------------------------------------------===//
828 // Fixed-Register Multiplication and Division Instructions...
831 // Extra precision multiplication
832 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
833 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
834 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
835 // This probably ought to be moved to a def : Pat<> if the
836 // syntax can be accepted.
837 [(set AL, (mul AL, GR8:$src)),
838 (implicit EFLAGS)]>; // AL,AH = AL*GR8
840 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
841 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
843 []>, OpSize; // AX,DX = AX*GR16
845 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
846 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
848 []>; // EAX,EDX = EAX*GR32
850 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
851 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
853 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
854 // This probably ought to be moved to a def : Pat<> if the
855 // syntax can be accepted.
856 [(set AL, (mul AL, (loadi8 addr:$src))),
857 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
859 let mayLoad = 1, neverHasSideEffects = 1 in {
860 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
861 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
863 []>, OpSize; // AX,DX = AX*[mem16]
865 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
866 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
868 []>; // EAX,EDX = EAX*[mem32]
871 let neverHasSideEffects = 1 in {
872 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
873 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
875 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
876 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
877 OpSize; // AX,DX = AX*GR16
878 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
879 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
880 // EAX,EDX = EAX*GR32
882 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
883 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
884 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
885 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
886 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
887 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
888 let Defs = [EAX,EDX], Uses = [EAX] in
889 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
890 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
892 } // neverHasSideEffects
894 // unsigned division/remainder
895 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
896 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
898 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
899 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
900 "div{w}\t$src", []>, OpSize;
901 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
902 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
905 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
906 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
908 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
909 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
910 "div{w}\t$src", []>, OpSize;
911 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
912 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
916 // Signed division/remainder.
917 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
918 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
919 "idiv{b}\t$src", []>;
920 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
921 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
922 "idiv{w}\t$src", []>, OpSize;
923 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
924 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
925 "idiv{l}\t$src", []>;
926 let mayLoad = 1, mayLoad = 1 in {
927 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
928 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
929 "idiv{b}\t$src", []>;
930 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
931 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
932 "idiv{w}\t$src", []>, OpSize;
933 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
934 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
935 "idiv{l}\t$src", []>;
938 //===----------------------------------------------------------------------===//
939 // Two address Instructions.
941 let isTwoAddress = 1 in {
944 let Uses = [EFLAGS] in {
945 let isCommutable = 1 in {
946 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
947 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
948 "cmovb\t{$src2, $dst|$dst, $src2}",
949 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
950 X86_COND_B, EFLAGS))]>,
952 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
953 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
954 "cmovb\t{$src2, $dst|$dst, $src2}",
955 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
956 X86_COND_B, EFLAGS))]>,
958 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
959 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
960 "cmovae\t{$src2, $dst|$dst, $src2}",
961 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
962 X86_COND_AE, EFLAGS))]>,
964 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
965 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
966 "cmovae\t{$src2, $dst|$dst, $src2}",
967 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
968 X86_COND_AE, EFLAGS))]>,
970 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
971 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
972 "cmove\t{$src2, $dst|$dst, $src2}",
973 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
974 X86_COND_E, EFLAGS))]>,
976 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
977 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
978 "cmove\t{$src2, $dst|$dst, $src2}",
979 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
980 X86_COND_E, EFLAGS))]>,
982 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
983 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
984 "cmovne\t{$src2, $dst|$dst, $src2}",
985 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
986 X86_COND_NE, EFLAGS))]>,
988 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
989 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
990 "cmovne\t{$src2, $dst|$dst, $src2}",
991 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
992 X86_COND_NE, EFLAGS))]>,
994 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
995 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
996 "cmovbe\t{$src2, $dst|$dst, $src2}",
997 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
998 X86_COND_BE, EFLAGS))]>,
1000 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1001 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1002 "cmovbe\t{$src2, $dst|$dst, $src2}",
1003 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1004 X86_COND_BE, EFLAGS))]>,
1006 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1007 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1008 "cmova\t{$src2, $dst|$dst, $src2}",
1009 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1010 X86_COND_A, EFLAGS))]>,
1012 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1013 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1014 "cmova\t{$src2, $dst|$dst, $src2}",
1015 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1016 X86_COND_A, EFLAGS))]>,
1018 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1019 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1020 "cmovl\t{$src2, $dst|$dst, $src2}",
1021 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1022 X86_COND_L, EFLAGS))]>,
1024 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1025 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1026 "cmovl\t{$src2, $dst|$dst, $src2}",
1027 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1028 X86_COND_L, EFLAGS))]>,
1030 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1031 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1032 "cmovge\t{$src2, $dst|$dst, $src2}",
1033 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1034 X86_COND_GE, EFLAGS))]>,
1036 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1037 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1038 "cmovge\t{$src2, $dst|$dst, $src2}",
1039 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1040 X86_COND_GE, EFLAGS))]>,
1042 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1043 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1044 "cmovle\t{$src2, $dst|$dst, $src2}",
1045 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1046 X86_COND_LE, EFLAGS))]>,
1048 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1049 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1050 "cmovle\t{$src2, $dst|$dst, $src2}",
1051 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1052 X86_COND_LE, EFLAGS))]>,
1054 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1055 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1056 "cmovg\t{$src2, $dst|$dst, $src2}",
1057 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1058 X86_COND_G, EFLAGS))]>,
1060 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1061 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1062 "cmovg\t{$src2, $dst|$dst, $src2}",
1063 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1064 X86_COND_G, EFLAGS))]>,
1066 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1067 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1068 "cmovs\t{$src2, $dst|$dst, $src2}",
1069 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1070 X86_COND_S, EFLAGS))]>,
1072 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1073 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1074 "cmovs\t{$src2, $dst|$dst, $src2}",
1075 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1076 X86_COND_S, EFLAGS))]>,
1078 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1079 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1080 "cmovns\t{$src2, $dst|$dst, $src2}",
1081 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1082 X86_COND_NS, EFLAGS))]>,
1084 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1085 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1086 "cmovns\t{$src2, $dst|$dst, $src2}",
1087 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1088 X86_COND_NS, EFLAGS))]>,
1090 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1091 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1092 "cmovp\t{$src2, $dst|$dst, $src2}",
1093 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1094 X86_COND_P, EFLAGS))]>,
1096 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1097 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1098 "cmovp\t{$src2, $dst|$dst, $src2}",
1099 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1100 X86_COND_P, EFLAGS))]>,
1102 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1103 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1104 "cmovnp\t{$src2, $dst|$dst, $src2}",
1105 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1106 X86_COND_NP, EFLAGS))]>,
1108 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1109 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1110 "cmovnp\t{$src2, $dst|$dst, $src2}",
1111 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1112 X86_COND_NP, EFLAGS))]>,
1114 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1115 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1116 "cmovo\t{$src2, $dst|$dst, $src2}",
1117 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1118 X86_COND_O, EFLAGS))]>,
1120 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1121 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1122 "cmovo\t{$src2, $dst|$dst, $src2}",
1123 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1124 X86_COND_O, EFLAGS))]>,
1126 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1127 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1128 "cmovno\t{$src2, $dst|$dst, $src2}",
1129 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1130 X86_COND_NO, EFLAGS))]>,
1132 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1133 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1134 "cmovno\t{$src2, $dst|$dst, $src2}",
1135 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1136 X86_COND_NO, EFLAGS))]>,
1138 } // isCommutable = 1
1140 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1141 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1142 "cmovb\t{$src2, $dst|$dst, $src2}",
1143 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1144 X86_COND_B, EFLAGS))]>,
1146 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1147 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1148 "cmovb\t{$src2, $dst|$dst, $src2}",
1149 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1150 X86_COND_B, EFLAGS))]>,
1152 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1153 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1154 "cmovae\t{$src2, $dst|$dst, $src2}",
1155 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1156 X86_COND_AE, EFLAGS))]>,
1158 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1159 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1160 "cmovae\t{$src2, $dst|$dst, $src2}",
1161 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1162 X86_COND_AE, EFLAGS))]>,
1164 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1165 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1166 "cmove\t{$src2, $dst|$dst, $src2}",
1167 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1168 X86_COND_E, EFLAGS))]>,
1170 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1171 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1172 "cmove\t{$src2, $dst|$dst, $src2}",
1173 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1174 X86_COND_E, EFLAGS))]>,
1176 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1177 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1178 "cmovne\t{$src2, $dst|$dst, $src2}",
1179 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1180 X86_COND_NE, EFLAGS))]>,
1182 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1183 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1184 "cmovne\t{$src2, $dst|$dst, $src2}",
1185 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1186 X86_COND_NE, EFLAGS))]>,
1188 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1189 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1190 "cmovbe\t{$src2, $dst|$dst, $src2}",
1191 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1192 X86_COND_BE, EFLAGS))]>,
1194 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1195 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1196 "cmovbe\t{$src2, $dst|$dst, $src2}",
1197 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1198 X86_COND_BE, EFLAGS))]>,
1200 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1201 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1202 "cmova\t{$src2, $dst|$dst, $src2}",
1203 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1204 X86_COND_A, EFLAGS))]>,
1206 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1207 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1208 "cmova\t{$src2, $dst|$dst, $src2}",
1209 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1210 X86_COND_A, EFLAGS))]>,
1212 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1213 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1214 "cmovl\t{$src2, $dst|$dst, $src2}",
1215 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1216 X86_COND_L, EFLAGS))]>,
1218 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1219 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1220 "cmovl\t{$src2, $dst|$dst, $src2}",
1221 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1222 X86_COND_L, EFLAGS))]>,
1224 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1225 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1226 "cmovge\t{$src2, $dst|$dst, $src2}",
1227 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1228 X86_COND_GE, EFLAGS))]>,
1230 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1231 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1232 "cmovge\t{$src2, $dst|$dst, $src2}",
1233 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1234 X86_COND_GE, EFLAGS))]>,
1236 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1237 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1238 "cmovle\t{$src2, $dst|$dst, $src2}",
1239 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1240 X86_COND_LE, EFLAGS))]>,
1242 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1243 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1244 "cmovle\t{$src2, $dst|$dst, $src2}",
1245 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1246 X86_COND_LE, EFLAGS))]>,
1248 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1249 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1250 "cmovg\t{$src2, $dst|$dst, $src2}",
1251 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1252 X86_COND_G, EFLAGS))]>,
1254 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1255 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1256 "cmovg\t{$src2, $dst|$dst, $src2}",
1257 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1258 X86_COND_G, EFLAGS))]>,
1260 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1261 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1262 "cmovs\t{$src2, $dst|$dst, $src2}",
1263 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1264 X86_COND_S, EFLAGS))]>,
1266 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1267 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1268 "cmovs\t{$src2, $dst|$dst, $src2}",
1269 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1270 X86_COND_S, EFLAGS))]>,
1272 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1273 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1274 "cmovns\t{$src2, $dst|$dst, $src2}",
1275 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1276 X86_COND_NS, EFLAGS))]>,
1278 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1279 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1280 "cmovns\t{$src2, $dst|$dst, $src2}",
1281 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1282 X86_COND_NS, EFLAGS))]>,
1284 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1285 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1286 "cmovp\t{$src2, $dst|$dst, $src2}",
1287 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1288 X86_COND_P, EFLAGS))]>,
1290 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1291 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1292 "cmovp\t{$src2, $dst|$dst, $src2}",
1293 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1294 X86_COND_P, EFLAGS))]>,
1296 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1297 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1298 "cmovnp\t{$src2, $dst|$dst, $src2}",
1299 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1300 X86_COND_NP, EFLAGS))]>,
1302 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1303 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1304 "cmovnp\t{$src2, $dst|$dst, $src2}",
1305 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1306 X86_COND_NP, EFLAGS))]>,
1308 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1309 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1310 "cmovo\t{$src2, $dst|$dst, $src2}",
1311 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1312 X86_COND_O, EFLAGS))]>,
1314 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1315 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1316 "cmovo\t{$src2, $dst|$dst, $src2}",
1317 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1318 X86_COND_O, EFLAGS))]>,
1320 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1321 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1322 "cmovno\t{$src2, $dst|$dst, $src2}",
1323 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1324 X86_COND_NO, EFLAGS))]>,
1326 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1327 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1328 "cmovno\t{$src2, $dst|$dst, $src2}",
1329 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1330 X86_COND_NO, EFLAGS))]>,
1332 } // Uses = [EFLAGS]
1335 // unary instructions
1336 let CodeSize = 2 in {
1337 let Defs = [EFLAGS] in {
1338 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1339 [(set GR8:$dst, (ineg GR8:$src)),
1340 (implicit EFLAGS)]>;
1341 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1342 [(set GR16:$dst, (ineg GR16:$src)),
1343 (implicit EFLAGS)]>, OpSize;
1344 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1345 [(set GR32:$dst, (ineg GR32:$src)),
1346 (implicit EFLAGS)]>;
1347 let isTwoAddress = 0 in {
1348 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1349 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1350 (implicit EFLAGS)]>;
1351 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1352 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1353 (implicit EFLAGS)]>, OpSize;
1354 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1355 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1356 (implicit EFLAGS)]>;
1358 } // Defs = [EFLAGS]
1360 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1361 let AddedComplexity = 15 in {
1362 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1363 [(set GR8:$dst, (not GR8:$src))]>;
1364 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1365 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1366 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1367 [(set GR32:$dst, (not GR32:$src))]>;
1369 let isTwoAddress = 0 in {
1370 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1371 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1372 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1373 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1374 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1375 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1379 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1380 let Defs = [EFLAGS] in {
1382 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1383 [(set GR8:$dst, (add GR8:$src, 1)),
1384 (implicit EFLAGS)]>;
1385 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1386 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1387 [(set GR16:$dst, (add GR16:$src, 1)),
1388 (implicit EFLAGS)]>,
1389 OpSize, Requires<[In32BitMode]>;
1390 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1391 [(set GR32:$dst, (add GR32:$src, 1)),
1392 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1394 let isTwoAddress = 0, CodeSize = 2 in {
1395 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1396 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1397 (implicit EFLAGS)]>;
1398 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1399 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1400 (implicit EFLAGS)]>,
1401 OpSize, Requires<[In32BitMode]>;
1402 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1403 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1404 (implicit EFLAGS)]>,
1405 Requires<[In32BitMode]>;
1409 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1410 [(set GR8:$dst, (add GR8:$src, -1)),
1411 (implicit EFLAGS)]>;
1412 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1413 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1414 [(set GR16:$dst, (add GR16:$src, -1)),
1415 (implicit EFLAGS)]>,
1416 OpSize, Requires<[In32BitMode]>;
1417 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1418 [(set GR32:$dst, (add GR32:$src, -1)),
1419 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1422 let isTwoAddress = 0, CodeSize = 2 in {
1423 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1424 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1425 (implicit EFLAGS)]>;
1426 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1427 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1428 (implicit EFLAGS)]>,
1429 OpSize, Requires<[In32BitMode]>;
1430 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1431 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1432 (implicit EFLAGS)]>,
1433 Requires<[In32BitMode]>;
1435 } // Defs = [EFLAGS]
1437 // Logical operators...
1438 let Defs = [EFLAGS] in {
1439 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1440 def AND8rr : I<0x20, MRMDestReg,
1441 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1442 "and{b}\t{$src2, $dst|$dst, $src2}",
1443 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1444 (implicit EFLAGS)]>;
1445 def AND16rr : I<0x21, MRMDestReg,
1446 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1447 "and{w}\t{$src2, $dst|$dst, $src2}",
1448 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1449 (implicit EFLAGS)]>, OpSize;
1450 def AND32rr : I<0x21, MRMDestReg,
1451 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1452 "and{l}\t{$src2, $dst|$dst, $src2}",
1453 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1454 (implicit EFLAGS)]>;
1457 def AND8rm : I<0x22, MRMSrcMem,
1458 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1459 "and{b}\t{$src2, $dst|$dst, $src2}",
1460 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1461 (implicit EFLAGS)]>;
1462 def AND16rm : I<0x23, MRMSrcMem,
1463 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1464 "and{w}\t{$src2, $dst|$dst, $src2}",
1465 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1466 (implicit EFLAGS)]>, OpSize;
1467 def AND32rm : I<0x23, MRMSrcMem,
1468 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1469 "and{l}\t{$src2, $dst|$dst, $src2}",
1470 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1471 (implicit EFLAGS)]>;
1473 def AND8ri : Ii8<0x80, MRM4r,
1474 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1475 "and{b}\t{$src2, $dst|$dst, $src2}",
1476 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1477 (implicit EFLAGS)]>;
1478 def AND16ri : Ii16<0x81, MRM4r,
1479 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1480 "and{w}\t{$src2, $dst|$dst, $src2}",
1481 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1482 (implicit EFLAGS)]>, OpSize;
1483 def AND32ri : Ii32<0x81, MRM4r,
1484 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1485 "and{l}\t{$src2, $dst|$dst, $src2}",
1486 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1487 (implicit EFLAGS)]>;
1488 def AND16ri8 : Ii8<0x83, MRM4r,
1489 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1490 "and{w}\t{$src2, $dst|$dst, $src2}",
1491 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1492 (implicit EFLAGS)]>,
1494 def AND32ri8 : Ii8<0x83, MRM4r,
1495 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1496 "and{l}\t{$src2, $dst|$dst, $src2}",
1497 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1498 (implicit EFLAGS)]>;
1500 let isTwoAddress = 0 in {
1501 def AND8mr : I<0x20, MRMDestMem,
1502 (outs), (ins i8mem :$dst, GR8 :$src),
1503 "and{b}\t{$src, $dst|$dst, $src}",
1504 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1505 (implicit EFLAGS)]>;
1506 def AND16mr : I<0x21, MRMDestMem,
1507 (outs), (ins i16mem:$dst, GR16:$src),
1508 "and{w}\t{$src, $dst|$dst, $src}",
1509 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1510 (implicit EFLAGS)]>,
1512 def AND32mr : I<0x21, MRMDestMem,
1513 (outs), (ins i32mem:$dst, GR32:$src),
1514 "and{l}\t{$src, $dst|$dst, $src}",
1515 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1516 (implicit EFLAGS)]>;
1517 def AND8mi : Ii8<0x80, MRM4m,
1518 (outs), (ins i8mem :$dst, i8imm :$src),
1519 "and{b}\t{$src, $dst|$dst, $src}",
1520 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1521 (implicit EFLAGS)]>;
1522 def AND16mi : Ii16<0x81, MRM4m,
1523 (outs), (ins i16mem:$dst, i16imm:$src),
1524 "and{w}\t{$src, $dst|$dst, $src}",
1525 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1526 (implicit EFLAGS)]>,
1528 def AND32mi : Ii32<0x81, MRM4m,
1529 (outs), (ins i32mem:$dst, i32imm:$src),
1530 "and{l}\t{$src, $dst|$dst, $src}",
1531 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1532 (implicit EFLAGS)]>;
1533 def AND16mi8 : Ii8<0x83, MRM4m,
1534 (outs), (ins i16mem:$dst, i16i8imm :$src),
1535 "and{w}\t{$src, $dst|$dst, $src}",
1536 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1537 (implicit EFLAGS)]>,
1539 def AND32mi8 : Ii8<0x83, MRM4m,
1540 (outs), (ins i32mem:$dst, i32i8imm :$src),
1541 "and{l}\t{$src, $dst|$dst, $src}",
1542 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1543 (implicit EFLAGS)]>;
1547 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1548 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1549 "or{b}\t{$src2, $dst|$dst, $src2}",
1550 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1551 (implicit EFLAGS)]>;
1552 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1553 "or{w}\t{$src2, $dst|$dst, $src2}",
1554 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1555 (implicit EFLAGS)]>, OpSize;
1556 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1557 "or{l}\t{$src2, $dst|$dst, $src2}",
1558 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1559 (implicit EFLAGS)]>;
1561 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1562 "or{b}\t{$src2, $dst|$dst, $src2}",
1563 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1564 (implicit EFLAGS)]>;
1565 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1566 "or{w}\t{$src2, $dst|$dst, $src2}",
1567 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1568 (implicit EFLAGS)]>, OpSize;
1569 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1570 "or{l}\t{$src2, $dst|$dst, $src2}",
1571 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1572 (implicit EFLAGS)]>;
1574 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1575 "or{b}\t{$src2, $dst|$dst, $src2}",
1576 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1577 (implicit EFLAGS)]>;
1578 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1579 "or{w}\t{$src2, $dst|$dst, $src2}",
1580 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1581 (implicit EFLAGS)]>, OpSize;
1582 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1583 "or{l}\t{$src2, $dst|$dst, $src2}",
1584 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1585 (implicit EFLAGS)]>;
1587 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1588 "or{w}\t{$src2, $dst|$dst, $src2}",
1589 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1590 (implicit EFLAGS)]>, OpSize;
1591 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1592 "or{l}\t{$src2, $dst|$dst, $src2}",
1593 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1594 (implicit EFLAGS)]>;
1595 let isTwoAddress = 0 in {
1596 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1597 "or{b}\t{$src, $dst|$dst, $src}",
1598 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1599 (implicit EFLAGS)]>;
1600 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1601 "or{w}\t{$src, $dst|$dst, $src}",
1602 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1603 (implicit EFLAGS)]>, OpSize;
1604 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1605 "or{l}\t{$src, $dst|$dst, $src}",
1606 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1607 (implicit EFLAGS)]>;
1608 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1609 "or{b}\t{$src, $dst|$dst, $src}",
1610 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1611 (implicit EFLAGS)]>;
1612 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1613 "or{w}\t{$src, $dst|$dst, $src}",
1614 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1615 (implicit EFLAGS)]>,
1617 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1618 "or{l}\t{$src, $dst|$dst, $src}",
1619 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1620 (implicit EFLAGS)]>;
1621 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1622 "or{w}\t{$src, $dst|$dst, $src}",
1623 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1624 (implicit EFLAGS)]>,
1626 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1627 "or{l}\t{$src, $dst|$dst, $src}",
1628 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1629 (implicit EFLAGS)]>;
1630 } // isTwoAddress = 0
1633 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1634 def XOR8rr : I<0x30, MRMDestReg,
1635 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1636 "xor{b}\t{$src2, $dst|$dst, $src2}",
1637 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1638 (implicit EFLAGS)]>;
1639 def XOR16rr : I<0x31, MRMDestReg,
1640 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1641 "xor{w}\t{$src2, $dst|$dst, $src2}",
1642 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1643 (implicit EFLAGS)]>, OpSize;
1644 def XOR32rr : I<0x31, MRMDestReg,
1645 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1646 "xor{l}\t{$src2, $dst|$dst, $src2}",
1647 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1648 (implicit EFLAGS)]>;
1649 } // isCommutable = 1
1651 def XOR8rm : I<0x32, MRMSrcMem ,
1652 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1653 "xor{b}\t{$src2, $dst|$dst, $src2}",
1654 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1655 (implicit EFLAGS)]>;
1656 def XOR16rm : I<0x33, MRMSrcMem ,
1657 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1658 "xor{w}\t{$src2, $dst|$dst, $src2}",
1659 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1660 (implicit EFLAGS)]>,
1662 def XOR32rm : I<0x33, MRMSrcMem ,
1663 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1664 "xor{l}\t{$src2, $dst|$dst, $src2}",
1665 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1666 (implicit EFLAGS)]>;
1668 def XOR8ri : Ii8<0x80, MRM6r,
1669 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1670 "xor{b}\t{$src2, $dst|$dst, $src2}",
1671 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1672 (implicit EFLAGS)]>;
1673 def XOR16ri : Ii16<0x81, MRM6r,
1674 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1675 "xor{w}\t{$src2, $dst|$dst, $src2}",
1676 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1677 (implicit EFLAGS)]>, OpSize;
1678 def XOR32ri : Ii32<0x81, MRM6r,
1679 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1680 "xor{l}\t{$src2, $dst|$dst, $src2}",
1681 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1682 (implicit EFLAGS)]>;
1683 def XOR16ri8 : Ii8<0x83, MRM6r,
1684 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1685 "xor{w}\t{$src2, $dst|$dst, $src2}",
1686 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1687 (implicit EFLAGS)]>,
1689 def XOR32ri8 : Ii8<0x83, MRM6r,
1690 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1691 "xor{l}\t{$src2, $dst|$dst, $src2}",
1692 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1693 (implicit EFLAGS)]>;
1695 let isTwoAddress = 0 in {
1696 def XOR8mr : I<0x30, MRMDestMem,
1697 (outs), (ins i8mem :$dst, GR8 :$src),
1698 "xor{b}\t{$src, $dst|$dst, $src}",
1699 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1700 (implicit EFLAGS)]>;
1701 def XOR16mr : I<0x31, MRMDestMem,
1702 (outs), (ins i16mem:$dst, GR16:$src),
1703 "xor{w}\t{$src, $dst|$dst, $src}",
1704 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1705 (implicit EFLAGS)]>,
1707 def XOR32mr : I<0x31, MRMDestMem,
1708 (outs), (ins i32mem:$dst, GR32:$src),
1709 "xor{l}\t{$src, $dst|$dst, $src}",
1710 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1711 (implicit EFLAGS)]>;
1712 def XOR8mi : Ii8<0x80, MRM6m,
1713 (outs), (ins i8mem :$dst, i8imm :$src),
1714 "xor{b}\t{$src, $dst|$dst, $src}",
1715 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1716 (implicit EFLAGS)]>;
1717 def XOR16mi : Ii16<0x81, MRM6m,
1718 (outs), (ins i16mem:$dst, i16imm:$src),
1719 "xor{w}\t{$src, $dst|$dst, $src}",
1720 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1721 (implicit EFLAGS)]>,
1723 def XOR32mi : Ii32<0x81, MRM6m,
1724 (outs), (ins i32mem:$dst, i32imm:$src),
1725 "xor{l}\t{$src, $dst|$dst, $src}",
1726 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1727 (implicit EFLAGS)]>;
1728 def XOR16mi8 : Ii8<0x83, MRM6m,
1729 (outs), (ins i16mem:$dst, i16i8imm :$src),
1730 "xor{w}\t{$src, $dst|$dst, $src}",
1731 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1732 (implicit EFLAGS)]>,
1734 def XOR32mi8 : Ii8<0x83, MRM6m,
1735 (outs), (ins i32mem:$dst, i32i8imm :$src),
1736 "xor{l}\t{$src, $dst|$dst, $src}",
1737 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1738 (implicit EFLAGS)]>;
1739 } // isTwoAddress = 0
1740 } // Defs = [EFLAGS]
1742 // Shift instructions
1743 let Defs = [EFLAGS] in {
1744 let Uses = [CL] in {
1745 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1746 "shl{b}\t{%cl, $dst|$dst, CL}",
1747 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1748 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1749 "shl{w}\t{%cl, $dst|$dst, CL}",
1750 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1751 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1752 "shl{l}\t{%cl, $dst|$dst, CL}",
1753 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1756 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1757 "shl{b}\t{$src2, $dst|$dst, $src2}",
1758 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1759 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1760 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1761 "shl{w}\t{$src2, $dst|$dst, $src2}",
1762 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1763 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1764 "shl{l}\t{$src2, $dst|$dst, $src2}",
1765 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1766 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1768 } // isConvertibleToThreeAddress = 1
1770 let isTwoAddress = 0 in {
1771 let Uses = [CL] in {
1772 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1773 "shl{b}\t{%cl, $dst|$dst, CL}",
1774 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1775 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1776 "shl{w}\t{%cl, $dst|$dst, CL}",
1777 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1778 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1779 "shl{l}\t{%cl, $dst|$dst, CL}",
1780 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1782 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1783 "shl{b}\t{$src, $dst|$dst, $src}",
1784 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1785 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1786 "shl{w}\t{$src, $dst|$dst, $src}",
1787 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1789 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1790 "shl{l}\t{$src, $dst|$dst, $src}",
1791 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1794 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1796 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1797 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1799 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1801 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1803 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1806 let Uses = [CL] in {
1807 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1808 "shr{b}\t{%cl, $dst|$dst, CL}",
1809 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1810 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1811 "shr{w}\t{%cl, $dst|$dst, CL}",
1812 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1813 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1814 "shr{l}\t{%cl, $dst|$dst, CL}",
1815 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1818 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1819 "shr{b}\t{$src2, $dst|$dst, $src2}",
1820 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1821 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1822 "shr{w}\t{$src2, $dst|$dst, $src2}",
1823 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1824 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1825 "shr{l}\t{$src2, $dst|$dst, $src2}",
1826 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1829 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1831 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1832 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1834 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1835 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1837 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1839 let isTwoAddress = 0 in {
1840 let Uses = [CL] in {
1841 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1842 "shr{b}\t{%cl, $dst|$dst, CL}",
1843 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1844 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1845 "shr{w}\t{%cl, $dst|$dst, CL}",
1846 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1848 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1849 "shr{l}\t{%cl, $dst|$dst, CL}",
1850 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1852 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1853 "shr{b}\t{$src, $dst|$dst, $src}",
1854 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1855 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1856 "shr{w}\t{$src, $dst|$dst, $src}",
1857 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1859 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1860 "shr{l}\t{$src, $dst|$dst, $src}",
1861 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1864 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1866 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1867 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1869 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1870 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1872 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1875 let Uses = [CL] in {
1876 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1877 "sar{b}\t{%cl, $dst|$dst, CL}",
1878 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1879 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1880 "sar{w}\t{%cl, $dst|$dst, CL}",
1881 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1882 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1883 "sar{l}\t{%cl, $dst|$dst, CL}",
1884 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1887 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1888 "sar{b}\t{$src2, $dst|$dst, $src2}",
1889 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1890 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1891 "sar{w}\t{$src2, $dst|$dst, $src2}",
1892 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1894 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1895 "sar{l}\t{$src2, $dst|$dst, $src2}",
1896 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1899 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1901 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1902 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1904 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1905 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1907 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1909 let isTwoAddress = 0 in {
1910 let Uses = [CL] in {
1911 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1912 "sar{b}\t{%cl, $dst|$dst, CL}",
1913 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1914 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1915 "sar{w}\t{%cl, $dst|$dst, CL}",
1916 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1917 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1918 "sar{l}\t{%cl, $dst|$dst, CL}",
1919 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1921 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1922 "sar{b}\t{$src, $dst|$dst, $src}",
1923 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1924 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1925 "sar{w}\t{$src, $dst|$dst, $src}",
1926 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1928 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1929 "sar{l}\t{$src, $dst|$dst, $src}",
1930 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1933 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1935 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1936 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1938 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1940 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1942 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1945 // Rotate instructions
1946 // FIXME: provide shorter instructions when imm8 == 1
1947 let Uses = [CL] in {
1948 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1949 "rol{b}\t{%cl, $dst|$dst, CL}",
1950 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1951 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1952 "rol{w}\t{%cl, $dst|$dst, CL}",
1953 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1954 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1955 "rol{l}\t{%cl, $dst|$dst, CL}",
1956 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1959 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1960 "rol{b}\t{$src2, $dst|$dst, $src2}",
1961 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1962 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1963 "rol{w}\t{$src2, $dst|$dst, $src2}",
1964 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1965 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1966 "rol{l}\t{$src2, $dst|$dst, $src2}",
1967 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1970 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1972 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1973 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1975 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1976 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1978 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1980 let isTwoAddress = 0 in {
1981 let Uses = [CL] in {
1982 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1983 "rol{b}\t{%cl, $dst|$dst, CL}",
1984 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1985 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1986 "rol{w}\t{%cl, $dst|$dst, CL}",
1987 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1988 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1989 "rol{l}\t{%cl, $dst|$dst, CL}",
1990 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1992 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1993 "rol{b}\t{$src, $dst|$dst, $src}",
1994 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1995 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1996 "rol{w}\t{$src, $dst|$dst, $src}",
1997 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1999 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2000 "rol{l}\t{$src, $dst|$dst, $src}",
2001 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2004 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2006 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2007 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2009 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2011 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2013 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2016 let Uses = [CL] in {
2017 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2018 "ror{b}\t{%cl, $dst|$dst, CL}",
2019 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2020 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2021 "ror{w}\t{%cl, $dst|$dst, CL}",
2022 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2023 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2024 "ror{l}\t{%cl, $dst|$dst, CL}",
2025 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2028 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2029 "ror{b}\t{$src2, $dst|$dst, $src2}",
2030 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2031 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2032 "ror{w}\t{$src2, $dst|$dst, $src2}",
2033 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2034 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2035 "ror{l}\t{$src2, $dst|$dst, $src2}",
2036 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2039 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2041 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2042 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2044 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2045 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2047 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2049 let isTwoAddress = 0 in {
2050 let Uses = [CL] in {
2051 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2052 "ror{b}\t{%cl, $dst|$dst, CL}",
2053 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2054 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2055 "ror{w}\t{%cl, $dst|$dst, CL}",
2056 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2057 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2058 "ror{l}\t{%cl, $dst|$dst, CL}",
2059 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2061 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2062 "ror{b}\t{$src, $dst|$dst, $src}",
2063 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2064 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2065 "ror{w}\t{$src, $dst|$dst, $src}",
2066 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2068 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2069 "ror{l}\t{$src, $dst|$dst, $src}",
2070 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2073 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2075 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2076 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2078 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2080 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2082 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2087 // Double shift instructions (generalizations of rotate)
2088 let Uses = [CL] in {
2089 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2090 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2091 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2092 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2093 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2094 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2095 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2096 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2097 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2099 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2100 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2101 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2105 let isCommutable = 1 in { // These instructions commute to each other.
2106 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2107 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2108 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2109 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2112 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2113 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2114 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2115 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2118 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2119 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2120 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2121 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2124 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2125 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2126 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2127 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2132 let isTwoAddress = 0 in {
2133 let Uses = [CL] in {
2134 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2135 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2136 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2138 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2139 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2140 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2143 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2144 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2145 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2146 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2147 (i8 imm:$src3)), addr:$dst)]>,
2149 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2150 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2151 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2152 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2153 (i8 imm:$src3)), addr:$dst)]>,
2156 let Uses = [CL] in {
2157 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2158 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2159 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2160 addr:$dst)]>, TB, OpSize;
2161 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2162 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2163 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2164 addr:$dst)]>, TB, OpSize;
2166 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2167 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2168 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2169 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2170 (i8 imm:$src3)), addr:$dst)]>,
2172 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2173 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2174 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2175 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2176 (i8 imm:$src3)), addr:$dst)]>,
2179 } // Defs = [EFLAGS]
2183 let Defs = [EFLAGS] in {
2184 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2185 // Register-Register Addition
2186 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2187 (ins GR8 :$src1, GR8 :$src2),
2188 "add{b}\t{$src2, $dst|$dst, $src2}",
2189 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2190 (implicit EFLAGS)]>;
2192 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2193 // Register-Register Addition
2194 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2195 (ins GR16:$src1, GR16:$src2),
2196 "add{w}\t{$src2, $dst|$dst, $src2}",
2197 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2198 (implicit EFLAGS)]>, OpSize;
2199 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2200 (ins GR32:$src1, GR32:$src2),
2201 "add{l}\t{$src2, $dst|$dst, $src2}",
2202 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2203 (implicit EFLAGS)]>;
2204 } // end isConvertibleToThreeAddress
2205 } // end isCommutable
2207 // Register-Memory Addition
2208 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2209 (ins GR8 :$src1, i8mem :$src2),
2210 "add{b}\t{$src2, $dst|$dst, $src2}",
2211 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2212 (implicit EFLAGS)]>;
2213 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2214 (ins GR16:$src1, i16mem:$src2),
2215 "add{w}\t{$src2, $dst|$dst, $src2}",
2216 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2217 (implicit EFLAGS)]>, OpSize;
2218 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2219 (ins GR32:$src1, i32mem:$src2),
2220 "add{l}\t{$src2, $dst|$dst, $src2}",
2221 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2222 (implicit EFLAGS)]>;
2224 // Register-Integer Addition
2225 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2226 "add{b}\t{$src2, $dst|$dst, $src2}",
2227 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2228 (implicit EFLAGS)]>;
2230 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2231 // Register-Integer Addition
2232 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2233 (ins GR16:$src1, i16imm:$src2),
2234 "add{w}\t{$src2, $dst|$dst, $src2}",
2235 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2236 (implicit EFLAGS)]>, OpSize;
2237 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2238 (ins GR32:$src1, i32imm:$src2),
2239 "add{l}\t{$src2, $dst|$dst, $src2}",
2240 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2241 (implicit EFLAGS)]>;
2242 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2243 (ins GR16:$src1, i16i8imm:$src2),
2244 "add{w}\t{$src2, $dst|$dst, $src2}",
2245 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2246 (implicit EFLAGS)]>, OpSize;
2247 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2248 (ins GR32:$src1, i32i8imm:$src2),
2249 "add{l}\t{$src2, $dst|$dst, $src2}",
2250 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2251 (implicit EFLAGS)]>;
2254 let isTwoAddress = 0 in {
2255 // Memory-Register Addition
2256 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2257 "add{b}\t{$src2, $dst|$dst, $src2}",
2258 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2259 (implicit EFLAGS)]>;
2260 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2261 "add{w}\t{$src2, $dst|$dst, $src2}",
2262 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2263 (implicit EFLAGS)]>, OpSize;
2264 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2265 "add{l}\t{$src2, $dst|$dst, $src2}",
2266 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2267 (implicit EFLAGS)]>;
2268 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2269 "add{b}\t{$src2, $dst|$dst, $src2}",
2270 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2271 (implicit EFLAGS)]>;
2272 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2273 "add{w}\t{$src2, $dst|$dst, $src2}",
2274 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2275 (implicit EFLAGS)]>, OpSize;
2276 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2277 "add{l}\t{$src2, $dst|$dst, $src2}",
2278 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2279 (implicit EFLAGS)]>;
2280 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2281 "add{w}\t{$src2, $dst|$dst, $src2}",
2282 [(store (add (load addr:$dst), i16immSExt8:$src2),
2284 (implicit EFLAGS)]>, OpSize;
2285 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2286 "add{l}\t{$src2, $dst|$dst, $src2}",
2287 [(store (add (load addr:$dst), i32immSExt8:$src2),
2289 (implicit EFLAGS)]>;
2292 let Uses = [EFLAGS] in {
2293 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2294 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2295 "adc{b}\t{$src2, $dst|$dst, $src2}",
2296 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2297 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2298 (ins GR16:$src1, GR16:$src2),
2299 "adc{w}\t{$src2, $dst|$dst, $src2}",
2300 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2301 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2302 (ins GR32:$src1, GR32:$src2),
2303 "adc{l}\t{$src2, $dst|$dst, $src2}",
2304 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2306 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2307 (ins GR8:$src1, i8mem:$src2),
2308 "adc{b}\t{$src2, $dst|$dst, $src2}",
2309 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2310 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2311 (ins GR16:$src1, i16mem:$src2),
2312 "adc{w}\t{$src2, $dst|$dst, $src2}",
2313 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2315 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2316 (ins GR32:$src1, i32mem:$src2),
2317 "adc{l}\t{$src2, $dst|$dst, $src2}",
2318 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2319 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2320 "adc{b}\t{$src2, $dst|$dst, $src2}",
2321 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2322 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2323 (ins GR16:$src1, i16imm:$src2),
2324 "adc{w}\t{$src2, $dst|$dst, $src2}",
2325 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2326 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2327 (ins GR16:$src1, i16i8imm:$src2),
2328 "adc{w}\t{$src2, $dst|$dst, $src2}",
2329 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2331 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2332 (ins GR32:$src1, i32imm:$src2),
2333 "adc{l}\t{$src2, $dst|$dst, $src2}",
2334 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2335 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2336 (ins GR32:$src1, i32i8imm:$src2),
2337 "adc{l}\t{$src2, $dst|$dst, $src2}",
2338 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2340 let isTwoAddress = 0 in {
2341 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2342 "adc{b}\t{$src2, $dst|$dst, $src2}",
2343 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2344 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2345 "adc{w}\t{$src2, $dst|$dst, $src2}",
2346 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2348 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2349 "adc{l}\t{$src2, $dst|$dst, $src2}",
2350 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2351 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2352 "adc{b}\t{$src2, $dst|$dst, $src2}",
2353 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2354 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2355 "adc{w}\t{$src2, $dst|$dst, $src2}",
2356 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2358 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2359 "adc{w}\t{$src2, $dst|$dst, $src2}",
2360 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2362 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2363 "adc{l}\t{$src2, $dst|$dst, $src2}",
2364 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2365 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2366 "adc{l}\t{$src2, $dst|$dst, $src2}",
2367 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2369 } // Uses = [EFLAGS]
2371 // Register-Register Subtraction
2372 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2373 "sub{b}\t{$src2, $dst|$dst, $src2}",
2374 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2375 (implicit EFLAGS)]>;
2376 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2377 "sub{w}\t{$src2, $dst|$dst, $src2}",
2378 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2379 (implicit EFLAGS)]>, OpSize;
2380 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2381 "sub{l}\t{$src2, $dst|$dst, $src2}",
2382 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2383 (implicit EFLAGS)]>;
2385 // Register-Memory Subtraction
2386 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2387 (ins GR8 :$src1, i8mem :$src2),
2388 "sub{b}\t{$src2, $dst|$dst, $src2}",
2389 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2390 (implicit EFLAGS)]>;
2391 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2392 (ins GR16:$src1, i16mem:$src2),
2393 "sub{w}\t{$src2, $dst|$dst, $src2}",
2394 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2395 (implicit EFLAGS)]>, OpSize;
2396 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2397 (ins GR32:$src1, i32mem:$src2),
2398 "sub{l}\t{$src2, $dst|$dst, $src2}",
2399 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2400 (implicit EFLAGS)]>;
2402 // Register-Integer Subtraction
2403 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2404 (ins GR8:$src1, i8imm:$src2),
2405 "sub{b}\t{$src2, $dst|$dst, $src2}",
2406 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2407 (implicit EFLAGS)]>;
2408 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2409 (ins GR16:$src1, i16imm:$src2),
2410 "sub{w}\t{$src2, $dst|$dst, $src2}",
2411 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2412 (implicit EFLAGS)]>, OpSize;
2413 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2414 (ins GR32:$src1, i32imm:$src2),
2415 "sub{l}\t{$src2, $dst|$dst, $src2}",
2416 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2417 (implicit EFLAGS)]>;
2418 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2419 (ins GR16:$src1, i16i8imm:$src2),
2420 "sub{w}\t{$src2, $dst|$dst, $src2}",
2421 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2422 (implicit EFLAGS)]>, OpSize;
2423 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2424 (ins GR32:$src1, i32i8imm:$src2),
2425 "sub{l}\t{$src2, $dst|$dst, $src2}",
2426 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2427 (implicit EFLAGS)]>;
2429 let isTwoAddress = 0 in {
2430 // Memory-Register Subtraction
2431 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2432 "sub{b}\t{$src2, $dst|$dst, $src2}",
2433 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2434 (implicit EFLAGS)]>;
2435 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2436 "sub{w}\t{$src2, $dst|$dst, $src2}",
2437 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2438 (implicit EFLAGS)]>, OpSize;
2439 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2440 "sub{l}\t{$src2, $dst|$dst, $src2}",
2441 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2442 (implicit EFLAGS)]>;
2444 // Memory-Integer Subtraction
2445 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2446 "sub{b}\t{$src2, $dst|$dst, $src2}",
2447 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2448 (implicit EFLAGS)]>;
2449 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2450 "sub{w}\t{$src2, $dst|$dst, $src2}",
2451 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2452 (implicit EFLAGS)]>, OpSize;
2453 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2454 "sub{l}\t{$src2, $dst|$dst, $src2}",
2455 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2456 (implicit EFLAGS)]>;
2457 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2458 "sub{w}\t{$src2, $dst|$dst, $src2}",
2459 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2461 (implicit EFLAGS)]>, OpSize;
2462 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2463 "sub{l}\t{$src2, $dst|$dst, $src2}",
2464 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2466 (implicit EFLAGS)]>;
2469 let Uses = [EFLAGS] in {
2470 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2471 (ins GR8:$src1, GR8:$src2),
2472 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2473 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2474 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2475 (ins GR16:$src1, GR16:$src2),
2476 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2477 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2478 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2479 (ins GR32:$src1, GR32:$src2),
2480 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2481 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2483 let isTwoAddress = 0 in {
2484 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2485 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2486 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2487 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2488 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2489 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2491 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2492 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2493 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2494 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2495 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2496 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2497 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2498 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2499 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2501 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2502 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2503 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2505 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2506 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2507 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2508 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2509 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2510 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2512 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2513 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2514 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2515 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2516 (ins GR16:$src1, i16mem:$src2),
2517 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2518 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2520 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2521 (ins GR32:$src1, i32mem:$src2),
2522 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2523 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2524 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2525 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2526 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2527 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2528 (ins GR16:$src1, i16imm:$src2),
2529 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2530 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2531 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2532 (ins GR16:$src1, i16i8imm:$src2),
2533 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2534 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2536 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2537 (ins GR32:$src1, i32imm:$src2),
2538 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2539 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2540 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2541 (ins GR32:$src1, i32i8imm:$src2),
2542 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2543 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2544 } // Uses = [EFLAGS]
2545 } // Defs = [EFLAGS]
2547 let Defs = [EFLAGS] in {
2548 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2549 // Register-Register Signed Integer Multiply
2550 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2551 "imul{w}\t{$src2, $dst|$dst, $src2}",
2552 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2553 (implicit EFLAGS)]>, TB, OpSize;
2554 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2555 "imul{l}\t{$src2, $dst|$dst, $src2}",
2556 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2557 (implicit EFLAGS)]>, TB;
2560 // Register-Memory Signed Integer Multiply
2561 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2562 (ins GR16:$src1, i16mem:$src2),
2563 "imul{w}\t{$src2, $dst|$dst, $src2}",
2564 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2565 (implicit EFLAGS)]>, TB, OpSize;
2566 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2567 "imul{l}\t{$src2, $dst|$dst, $src2}",
2568 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2569 (implicit EFLAGS)]>, TB;
2570 } // Defs = [EFLAGS]
2571 } // end Two Address instructions
2573 // Suprisingly enough, these are not two address instructions!
2574 let Defs = [EFLAGS] in {
2575 // Register-Integer Signed Integer Multiply
2576 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2577 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2578 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2579 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2580 (implicit EFLAGS)]>, OpSize;
2581 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2582 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2583 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2584 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2585 (implicit EFLAGS)]>;
2586 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2587 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2588 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2589 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2590 (implicit EFLAGS)]>, OpSize;
2591 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2592 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2593 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2594 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2595 (implicit EFLAGS)]>;
2597 // Memory-Integer Signed Integer Multiply
2598 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2599 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2600 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2601 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2602 (implicit EFLAGS)]>, OpSize;
2603 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2604 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2605 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2606 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2607 (implicit EFLAGS)]>;
2608 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2609 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2610 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2611 [(set GR16:$dst, (mul (load addr:$src1),
2612 i16immSExt8:$src2)),
2613 (implicit EFLAGS)]>, OpSize;
2614 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2615 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2616 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2617 [(set GR32:$dst, (mul (load addr:$src1),
2618 i32immSExt8:$src2)),
2619 (implicit EFLAGS)]>;
2620 } // Defs = [EFLAGS]
2622 //===----------------------------------------------------------------------===//
2623 // Test instructions are just like AND, except they don't generate a result.
2625 let Defs = [EFLAGS] in {
2626 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2627 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2628 "test{b}\t{$src2, $src1|$src1, $src2}",
2629 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2630 (implicit EFLAGS)]>;
2631 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2632 "test{w}\t{$src2, $src1|$src1, $src2}",
2633 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2634 (implicit EFLAGS)]>,
2636 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2637 "test{l}\t{$src2, $src1|$src1, $src2}",
2638 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2639 (implicit EFLAGS)]>;
2642 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2643 "test{b}\t{$src2, $src1|$src1, $src2}",
2644 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2645 (implicit EFLAGS)]>;
2646 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2647 "test{w}\t{$src2, $src1|$src1, $src2}",
2648 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2649 (implicit EFLAGS)]>, OpSize;
2650 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2651 "test{l}\t{$src2, $src1|$src1, $src2}",
2652 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2653 (implicit EFLAGS)]>;
2655 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2656 (outs), (ins GR8:$src1, i8imm:$src2),
2657 "test{b}\t{$src2, $src1|$src1, $src2}",
2658 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2659 (implicit EFLAGS)]>;
2660 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2661 (outs), (ins GR16:$src1, i16imm:$src2),
2662 "test{w}\t{$src2, $src1|$src1, $src2}",
2663 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2664 (implicit EFLAGS)]>, OpSize;
2665 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2666 (outs), (ins GR32:$src1, i32imm:$src2),
2667 "test{l}\t{$src2, $src1|$src1, $src2}",
2668 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2669 (implicit EFLAGS)]>;
2671 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2672 (outs), (ins i8mem:$src1, i8imm:$src2),
2673 "test{b}\t{$src2, $src1|$src1, $src2}",
2674 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2675 (implicit EFLAGS)]>;
2676 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2677 (outs), (ins i16mem:$src1, i16imm:$src2),
2678 "test{w}\t{$src2, $src1|$src1, $src2}",
2679 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2680 (implicit EFLAGS)]>, OpSize;
2681 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2682 (outs), (ins i32mem:$src1, i32imm:$src2),
2683 "test{l}\t{$src2, $src1|$src1, $src2}",
2684 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2685 (implicit EFLAGS)]>;
2686 } // Defs = [EFLAGS]
2689 // Condition code ops, incl. set if equal/not equal/...
2690 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2691 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2692 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2693 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2695 let Uses = [EFLAGS] in {
2696 def SETEr : I<0x94, MRM0r,
2697 (outs GR8 :$dst), (ins),
2699 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2701 def SETEm : I<0x94, MRM0m,
2702 (outs), (ins i8mem:$dst),
2704 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2707 def SETNEr : I<0x95, MRM0r,
2708 (outs GR8 :$dst), (ins),
2710 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2712 def SETNEm : I<0x95, MRM0m,
2713 (outs), (ins i8mem:$dst),
2715 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2718 def SETLr : I<0x9C, MRM0r,
2719 (outs GR8 :$dst), (ins),
2721 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2722 TB; // GR8 = < signed
2723 def SETLm : I<0x9C, MRM0m,
2724 (outs), (ins i8mem:$dst),
2726 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2727 TB; // [mem8] = < signed
2729 def SETGEr : I<0x9D, MRM0r,
2730 (outs GR8 :$dst), (ins),
2732 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2733 TB; // GR8 = >= signed
2734 def SETGEm : I<0x9D, MRM0m,
2735 (outs), (ins i8mem:$dst),
2737 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2738 TB; // [mem8] = >= signed
2740 def SETLEr : I<0x9E, MRM0r,
2741 (outs GR8 :$dst), (ins),
2743 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2744 TB; // GR8 = <= signed
2745 def SETLEm : I<0x9E, MRM0m,
2746 (outs), (ins i8mem:$dst),
2748 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2749 TB; // [mem8] = <= signed
2751 def SETGr : I<0x9F, MRM0r,
2752 (outs GR8 :$dst), (ins),
2754 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2755 TB; // GR8 = > signed
2756 def SETGm : I<0x9F, MRM0m,
2757 (outs), (ins i8mem:$dst),
2759 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2760 TB; // [mem8] = > signed
2762 def SETBr : I<0x92, MRM0r,
2763 (outs GR8 :$dst), (ins),
2765 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2766 TB; // GR8 = < unsign
2767 def SETBm : I<0x92, MRM0m,
2768 (outs), (ins i8mem:$dst),
2770 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2771 TB; // [mem8] = < unsign
2773 def SETAEr : I<0x93, MRM0r,
2774 (outs GR8 :$dst), (ins),
2776 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2777 TB; // GR8 = >= unsign
2778 def SETAEm : I<0x93, MRM0m,
2779 (outs), (ins i8mem:$dst),
2781 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2782 TB; // [mem8] = >= unsign
2784 def SETBEr : I<0x96, MRM0r,
2785 (outs GR8 :$dst), (ins),
2787 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2788 TB; // GR8 = <= unsign
2789 def SETBEm : I<0x96, MRM0m,
2790 (outs), (ins i8mem:$dst),
2792 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2793 TB; // [mem8] = <= unsign
2795 def SETAr : I<0x97, MRM0r,
2796 (outs GR8 :$dst), (ins),
2798 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2799 TB; // GR8 = > signed
2800 def SETAm : I<0x97, MRM0m,
2801 (outs), (ins i8mem:$dst),
2803 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2804 TB; // [mem8] = > signed
2806 def SETSr : I<0x98, MRM0r,
2807 (outs GR8 :$dst), (ins),
2809 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2810 TB; // GR8 = <sign bit>
2811 def SETSm : I<0x98, MRM0m,
2812 (outs), (ins i8mem:$dst),
2814 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2815 TB; // [mem8] = <sign bit>
2816 def SETNSr : I<0x99, MRM0r,
2817 (outs GR8 :$dst), (ins),
2819 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2820 TB; // GR8 = !<sign bit>
2821 def SETNSm : I<0x99, MRM0m,
2822 (outs), (ins i8mem:$dst),
2824 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2825 TB; // [mem8] = !<sign bit>
2827 def SETPr : I<0x9A, MRM0r,
2828 (outs GR8 :$dst), (ins),
2830 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2832 def SETPm : I<0x9A, MRM0m,
2833 (outs), (ins i8mem:$dst),
2835 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2836 TB; // [mem8] = parity
2837 def SETNPr : I<0x9B, MRM0r,
2838 (outs GR8 :$dst), (ins),
2840 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2841 TB; // GR8 = not parity
2842 def SETNPm : I<0x9B, MRM0m,
2843 (outs), (ins i8mem:$dst),
2845 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2846 TB; // [mem8] = not parity
2848 def SETOr : I<0x90, MRM0r,
2849 (outs GR8 :$dst), (ins),
2851 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2852 TB; // GR8 = overflow
2853 def SETOm : I<0x90, MRM0m,
2854 (outs), (ins i8mem:$dst),
2856 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2857 TB; // [mem8] = overflow
2858 def SETNOr : I<0x91, MRM0r,
2859 (outs GR8 :$dst), (ins),
2861 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2862 TB; // GR8 = not overflow
2863 def SETNOm : I<0x91, MRM0m,
2864 (outs), (ins i8mem:$dst),
2866 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2867 TB; // [mem8] = not overflow
2868 } // Uses = [EFLAGS]
2871 // Integer comparisons
2872 let Defs = [EFLAGS] in {
2873 def CMP8rr : I<0x38, MRMDestReg,
2874 (outs), (ins GR8 :$src1, GR8 :$src2),
2875 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2876 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2877 def CMP16rr : I<0x39, MRMDestReg,
2878 (outs), (ins GR16:$src1, GR16:$src2),
2879 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2880 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2881 def CMP32rr : I<0x39, MRMDestReg,
2882 (outs), (ins GR32:$src1, GR32:$src2),
2883 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2884 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2885 def CMP8mr : I<0x38, MRMDestMem,
2886 (outs), (ins i8mem :$src1, GR8 :$src2),
2887 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2888 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2889 (implicit EFLAGS)]>;
2890 def CMP16mr : I<0x39, MRMDestMem,
2891 (outs), (ins i16mem:$src1, GR16:$src2),
2892 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2893 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2894 (implicit EFLAGS)]>, OpSize;
2895 def CMP32mr : I<0x39, MRMDestMem,
2896 (outs), (ins i32mem:$src1, GR32:$src2),
2897 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2898 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2899 (implicit EFLAGS)]>;
2900 def CMP8rm : I<0x3A, MRMSrcMem,
2901 (outs), (ins GR8 :$src1, i8mem :$src2),
2902 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2903 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2904 (implicit EFLAGS)]>;
2905 def CMP16rm : I<0x3B, MRMSrcMem,
2906 (outs), (ins GR16:$src1, i16mem:$src2),
2907 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2908 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2909 (implicit EFLAGS)]>, OpSize;
2910 def CMP32rm : I<0x3B, MRMSrcMem,
2911 (outs), (ins GR32:$src1, i32mem:$src2),
2912 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2913 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2914 (implicit EFLAGS)]>;
2915 def CMP8ri : Ii8<0x80, MRM7r,
2916 (outs), (ins GR8:$src1, i8imm:$src2),
2917 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2918 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2919 def CMP16ri : Ii16<0x81, MRM7r,
2920 (outs), (ins GR16:$src1, i16imm:$src2),
2921 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2922 [(X86cmp GR16:$src1, imm:$src2),
2923 (implicit EFLAGS)]>, OpSize;
2924 def CMP32ri : Ii32<0x81, MRM7r,
2925 (outs), (ins GR32:$src1, i32imm:$src2),
2926 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2927 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2928 def CMP8mi : Ii8 <0x80, MRM7m,
2929 (outs), (ins i8mem :$src1, i8imm :$src2),
2930 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2931 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2932 (implicit EFLAGS)]>;
2933 def CMP16mi : Ii16<0x81, MRM7m,
2934 (outs), (ins i16mem:$src1, i16imm:$src2),
2935 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2936 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2937 (implicit EFLAGS)]>, OpSize;
2938 def CMP32mi : Ii32<0x81, MRM7m,
2939 (outs), (ins i32mem:$src1, i32imm:$src2),
2940 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2941 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2942 (implicit EFLAGS)]>;
2943 def CMP16ri8 : Ii8<0x83, MRM7r,
2944 (outs), (ins GR16:$src1, i16i8imm:$src2),
2945 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2946 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2947 (implicit EFLAGS)]>, OpSize;
2948 def CMP16mi8 : Ii8<0x83, MRM7m,
2949 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2950 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2951 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2952 (implicit EFLAGS)]>, OpSize;
2953 def CMP32mi8 : Ii8<0x83, MRM7m,
2954 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2955 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2956 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2957 (implicit EFLAGS)]>;
2958 def CMP32ri8 : Ii8<0x83, MRM7r,
2959 (outs), (ins GR32:$src1, i32i8imm:$src2),
2960 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2961 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2962 (implicit EFLAGS)]>;
2963 } // Defs = [EFLAGS]
2966 // TODO: BTC, BTR, and BTS
2967 let Defs = [EFLAGS] in {
2968 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2969 "bt{w}\t{$src2, $src1|$src1, $src2}",
2970 [(X86bt GR16:$src1, GR16:$src2),
2971 (implicit EFLAGS)]>, OpSize, TB;
2972 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2973 "bt{l}\t{$src2, $src1|$src1, $src2}",
2974 [(X86bt GR32:$src1, GR32:$src2),
2975 (implicit EFLAGS)]>, TB;
2977 // Unlike with the register+register form, the memory+register form of the
2978 // bt instruction does not ignore the high bits of the index. From ISel's
2979 // perspective, this is pretty bizarre. Disable these instructions for now.
2980 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2981 // "bt{w}\t{$src2, $src1|$src1, $src2}",
2982 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2983 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2984 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2985 // "bt{l}\t{$src2, $src1|$src1, $src2}",
2986 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2987 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2989 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2990 "bt{w}\t{$src2, $src1|$src1, $src2}",
2991 [(X86bt GR16:$src1, i16immSExt8:$src2),
2992 (implicit EFLAGS)]>, OpSize, TB;
2993 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2994 "bt{l}\t{$src2, $src1|$src1, $src2}",
2995 [(X86bt GR32:$src1, i32immSExt8:$src2),
2996 (implicit EFLAGS)]>, TB;
2997 // Note that these instructions don't need FastBTMem because that
2998 // only applies when the other operand is in a register. When it's
2999 // an immediate, bt is still fast.
3000 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3001 "bt{w}\t{$src2, $src1|$src1, $src2}",
3002 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3003 (implicit EFLAGS)]>, OpSize, TB;
3004 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3005 "bt{l}\t{$src2, $src1|$src1, $src2}",
3006 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3007 (implicit EFLAGS)]>, TB;
3008 } // Defs = [EFLAGS]
3010 // Sign/Zero extenders
3011 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3012 // of the register here. This has a smaller encoding and avoids a
3013 // partial-register update.
3014 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3015 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3016 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3017 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3018 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3019 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3020 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3021 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3022 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3023 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3024 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3025 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3026 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3027 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3028 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3029 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3030 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3031 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3033 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3034 // of the register here. This has a smaller encoding and avoids a
3035 // partial-register update.
3036 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3037 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3038 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3039 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3040 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3041 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3042 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3043 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3044 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3045 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3046 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3047 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3048 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3049 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3050 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3051 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3052 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3053 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3055 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3056 // except that they use GR32_NOREX for the output operand register class
3057 // instead of GR32. This allows them to operate on h registers on x86-64.
3058 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3059 (outs GR32_NOREX:$dst), (ins GR8:$src),
3060 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3063 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3064 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3065 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3068 let neverHasSideEffects = 1 in {
3069 let Defs = [AX], Uses = [AL] in
3070 def CBW : I<0x98, RawFrm, (outs), (ins),
3071 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3072 let Defs = [EAX], Uses = [AX] in
3073 def CWDE : I<0x98, RawFrm, (outs), (ins),
3074 "{cwtl|cwde}", []>; // EAX = signext(AX)
3076 let Defs = [AX,DX], Uses = [AX] in
3077 def CWD : I<0x99, RawFrm, (outs), (ins),
3078 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3079 let Defs = [EAX,EDX], Uses = [EAX] in
3080 def CDQ : I<0x99, RawFrm, (outs), (ins),
3081 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3084 //===----------------------------------------------------------------------===//
3085 // Alias Instructions
3086 //===----------------------------------------------------------------------===//
3088 // Alias instructions that map movr0 to xor.
3089 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3090 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
3091 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3092 "xor{b}\t$dst, $dst",
3093 [(set GR8:$dst, 0)]>;
3094 // Use xorl instead of xorw since we don't care about the high 16 bits,
3095 // it's smaller, and it avoids a partial-register update.
3096 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3097 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3098 [(set GR16:$dst, 0)]>;
3099 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3100 "xor{l}\t$dst, $dst",
3101 [(set GR32:$dst, 0)]>;
3104 //===----------------------------------------------------------------------===//
3105 // Thread Local Storage Instructions
3108 // All calls clobber the non-callee saved registers. ESP is marked as
3109 // a use to prevent stack-pointer assignments that appear immediately
3110 // before calls from potentially appearing dead.
3111 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3112 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3113 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3114 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3115 Uses = [ESP, EBX] in
3116 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32imm:$sym),
3117 "leal\t${sym:mem}(,%ebx,1), %eax; "
3118 "call\t___tls_get_addr@PLT",
3119 [(X86tlsaddr tglobaltlsaddr:$sym)]>,
3120 Requires<[In32BitMode]>;
3122 let AddedComplexity = 5 in
3123 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3124 "movl\t%gs:$src, $dst",
3125 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3127 let AddedComplexity = 5 in
3128 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3129 "movl\t%fs:$src, $dst",
3130 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3132 //===----------------------------------------------------------------------===//
3133 // DWARF Pseudo Instructions
3136 def DWARF_LOC : I<0, Pseudo, (outs),
3137 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3138 ".loc\t${file:debug} ${line:debug} ${col:debug}",
3139 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3142 //===----------------------------------------------------------------------===//
3143 // EH Pseudo Instructions
3145 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3147 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3148 "ret\t#eh_return, addr: $addr",
3149 [(X86ehret GR32:$addr)]>;
3153 //===----------------------------------------------------------------------===//
3157 // Atomic swap. These are just normal xchg instructions. But since a memory
3158 // operand is referenced, the atomicity is ensured.
3159 let Constraints = "$val = $dst" in {
3160 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3161 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3162 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3163 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3164 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3165 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3167 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3168 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3169 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3172 // Atomic compare and swap.
3173 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3174 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3176 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3177 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3179 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3180 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3183 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3186 let Defs = [AX, EFLAGS], Uses = [AX] in {
3187 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3189 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3190 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3192 let Defs = [AL, EFLAGS], Uses = [AL] in {
3193 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3195 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3196 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3199 // Atomic exchange and add
3200 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3201 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3203 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3204 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3206 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3208 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3209 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3211 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3213 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3214 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3218 // Atomic exchange, and, or, xor
3219 let Constraints = "$val = $dst", Defs = [EFLAGS],
3220 usesCustomDAGSchedInserter = 1 in {
3221 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3222 "#ATOMAND32 PSEUDO!",
3223 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3224 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3225 "#ATOMOR32 PSEUDO!",
3226 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3227 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3228 "#ATOMXOR32 PSEUDO!",
3229 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3230 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3231 "#ATOMNAND32 PSEUDO!",
3232 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3233 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3234 "#ATOMMIN32 PSEUDO!",
3235 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3236 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3237 "#ATOMMAX32 PSEUDO!",
3238 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3239 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3240 "#ATOMUMIN32 PSEUDO!",
3241 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3242 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3243 "#ATOMUMAX32 PSEUDO!",
3244 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3246 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3247 "#ATOMAND16 PSEUDO!",
3248 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3249 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3250 "#ATOMOR16 PSEUDO!",
3251 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3252 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3253 "#ATOMXOR16 PSEUDO!",
3254 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3255 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3256 "#ATOMNAND16 PSEUDO!",
3257 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3258 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3259 "#ATOMMIN16 PSEUDO!",
3260 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3261 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3262 "#ATOMMAX16 PSEUDO!",
3263 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3264 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3265 "#ATOMUMIN16 PSEUDO!",
3266 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3267 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3268 "#ATOMUMAX16 PSEUDO!",
3269 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3271 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3272 "#ATOMAND8 PSEUDO!",
3273 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3274 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3276 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3277 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3278 "#ATOMXOR8 PSEUDO!",
3279 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3280 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3281 "#ATOMNAND8 PSEUDO!",
3282 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3285 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3286 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3287 Uses = [EAX, EBX, ECX, EDX],
3288 mayLoad = 1, mayStore = 1,
3289 usesCustomDAGSchedInserter = 1 in {
3290 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3291 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3292 "#ATOMAND6432 PSEUDO!", []>;
3293 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3294 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3295 "#ATOMOR6432 PSEUDO!", []>;
3296 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3297 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3298 "#ATOMXOR6432 PSEUDO!", []>;
3299 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3300 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3301 "#ATOMNAND6432 PSEUDO!", []>;
3302 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3303 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3304 "#ATOMADD6432 PSEUDO!", []>;
3305 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3306 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3307 "#ATOMSUB6432 PSEUDO!", []>;
3308 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3309 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3310 "#ATOMSWAP6432 PSEUDO!", []>;
3313 //===----------------------------------------------------------------------===//
3314 // Non-Instruction Patterns
3315 //===----------------------------------------------------------------------===//
3317 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3318 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3319 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3320 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3321 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3322 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3324 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3325 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3326 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3327 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3328 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3329 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3330 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3331 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3333 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3334 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3335 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3336 (MOV32mi addr:$dst, texternalsym:$src)>;
3340 def : Pat<(X86tailcall GR32:$dst),
3343 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3345 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3348 def : Pat<(X86tcret GR32:$dst, imm:$off),
3349 (TCRETURNri GR32:$dst, imm:$off)>;
3351 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3352 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3354 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3355 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3357 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3358 (CALLpcrel32 tglobaladdr:$dst)>;
3359 def : Pat<(X86call (i32 texternalsym:$dst)),
3360 (CALLpcrel32 texternalsym:$dst)>;
3361 def : Pat<(X86call (i32 imm:$dst)),
3362 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3364 // X86 specific add which produces a flag.
3365 def : Pat<(addc GR32:$src1, GR32:$src2),
3366 (ADD32rr GR32:$src1, GR32:$src2)>;
3367 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3368 (ADD32rm GR32:$src1, addr:$src2)>;
3369 def : Pat<(addc GR32:$src1, imm:$src2),
3370 (ADD32ri GR32:$src1, imm:$src2)>;
3371 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3372 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3374 def : Pat<(subc GR32:$src1, GR32:$src2),
3375 (SUB32rr GR32:$src1, GR32:$src2)>;
3376 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3377 (SUB32rm GR32:$src1, addr:$src2)>;
3378 def : Pat<(subc GR32:$src1, imm:$src2),
3379 (SUB32ri GR32:$src1, imm:$src2)>;
3380 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3381 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3385 // TEST R,R is smaller than CMP R,0
3386 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3387 (TEST8rr GR8:$src1, GR8:$src1)>;
3388 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3389 (TEST16rr GR16:$src1, GR16:$src1)>;
3390 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3391 (TEST32rr GR32:$src1, GR32:$src1)>;
3393 // Conditional moves with folded loads with operands swapped and conditions
3395 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3396 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3397 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3398 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3399 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3400 (CMOVB16rm GR16:$src2, addr:$src1)>;
3401 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3402 (CMOVB32rm GR32:$src2, addr:$src1)>;
3403 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3404 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3405 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3406 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3407 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3408 (CMOVE16rm GR16:$src2, addr:$src1)>;
3409 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3410 (CMOVE32rm GR32:$src2, addr:$src1)>;
3411 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3412 (CMOVA16rm GR16:$src2, addr:$src1)>;
3413 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3414 (CMOVA32rm GR32:$src2, addr:$src1)>;
3415 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3416 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3417 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3418 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3419 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3420 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3421 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3422 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3423 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3424 (CMOVL16rm GR16:$src2, addr:$src1)>;
3425 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3426 (CMOVL32rm GR32:$src2, addr:$src1)>;
3427 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3428 (CMOVG16rm GR16:$src2, addr:$src1)>;
3429 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3430 (CMOVG32rm GR32:$src2, addr:$src1)>;
3431 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3432 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3433 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3434 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3435 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3436 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3437 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3438 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3439 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3440 (CMOVP16rm GR16:$src2, addr:$src1)>;
3441 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3442 (CMOVP32rm GR32:$src2, addr:$src1)>;
3443 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3444 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3445 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3446 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3447 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3448 (CMOVS16rm GR16:$src2, addr:$src1)>;
3449 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3450 (CMOVS32rm GR32:$src2, addr:$src1)>;
3451 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3452 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3453 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3454 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3455 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3456 (CMOVO16rm GR16:$src2, addr:$src1)>;
3457 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3458 (CMOVO32rm GR32:$src2, addr:$src1)>;
3460 // zextload bool -> zextload byte
3461 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3462 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3463 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3465 // extload bool -> extload byte
3466 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3467 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3468 Requires<[In32BitMode]>;
3469 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3470 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3471 Requires<[In32BitMode]>;
3472 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3473 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3476 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3477 Requires<[In32BitMode]>;
3478 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3479 Requires<[In32BitMode]>;
3480 def : Pat<(i32 (anyext GR16:$src)),
3481 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3483 // (and (i32 load), 255) -> (zextload i8)
3484 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3485 (MOVZX32rm8 addr:$src)>;
3486 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3487 (MOVZX32rm16 addr:$src)>;
3489 //===----------------------------------------------------------------------===//
3491 //===----------------------------------------------------------------------===//
3493 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3494 // +128 doesn't, so in this special case use a sub instead of an add.
3495 def : Pat<(add GR16:$src1, 128),
3496 (SUB16ri8 GR16:$src1, -128)>;
3497 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3498 (SUB16mi8 addr:$dst, -128)>;
3499 def : Pat<(add GR32:$src1, 128),
3500 (SUB32ri8 GR32:$src1, -128)>;
3501 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3502 (SUB32mi8 addr:$dst, -128)>;
3504 // r & (2^16-1) ==> movz
3505 def : Pat<(and GR32:$src1, 0xffff),
3506 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3507 // r & (2^8-1) ==> movz
3508 def : Pat<(and GR32:$src1, 0xff),
3509 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3511 Requires<[In32BitMode]>;
3512 // r & (2^8-1) ==> movz
3513 def : Pat<(and GR16:$src1, 0xff),
3514 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3516 Requires<[In32BitMode]>;
3518 // sext_inreg patterns
3519 def : Pat<(sext_inreg GR32:$src, i16),
3520 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3521 def : Pat<(sext_inreg GR32:$src, i8),
3522 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3524 Requires<[In32BitMode]>;
3525 def : Pat<(sext_inreg GR16:$src, i8),
3526 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3528 Requires<[In32BitMode]>;
3531 def : Pat<(i16 (trunc GR32:$src)),
3532 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3533 def : Pat<(i8 (trunc GR32:$src)),
3534 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3536 Requires<[In32BitMode]>;
3537 def : Pat<(i8 (trunc GR16:$src)),
3538 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3540 Requires<[In32BitMode]>;
3542 // h-register tricks
3543 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3544 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3545 x86_subreg_8bit_hi)>,
3546 Requires<[In32BitMode]>;
3547 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3548 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3549 x86_subreg_8bit_hi)>,
3550 Requires<[In32BitMode]>;
3551 def : Pat<(srl_su GR16:$src, (i8 8)),
3554 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3555 x86_subreg_8bit_hi)),
3557 Requires<[In32BitMode]>;
3558 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
3559 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3560 x86_subreg_8bit_hi))>,
3561 Requires<[In32BitMode]>;
3562 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3563 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3564 x86_subreg_8bit_hi))>,
3565 Requires<[In32BitMode]>;
3567 // (shl x, 1) ==> (add x, x)
3568 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3569 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3570 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3572 // (shl x (and y, 31)) ==> (shl x, y)
3573 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3574 (SHL8rCL GR8:$src1)>;
3575 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3576 (SHL16rCL GR16:$src1)>;
3577 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3578 (SHL32rCL GR32:$src1)>;
3579 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3580 (SHL8mCL addr:$dst)>;
3581 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3582 (SHL16mCL addr:$dst)>;
3583 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3584 (SHL32mCL addr:$dst)>;
3586 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3587 (SHR8rCL GR8:$src1)>;
3588 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3589 (SHR16rCL GR16:$src1)>;
3590 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3591 (SHR32rCL GR32:$src1)>;
3592 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3593 (SHR8mCL addr:$dst)>;
3594 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3595 (SHR16mCL addr:$dst)>;
3596 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3597 (SHR32mCL addr:$dst)>;
3599 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3600 (SAR8rCL GR8:$src1)>;
3601 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3602 (SAR16rCL GR16:$src1)>;
3603 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3604 (SAR32rCL GR32:$src1)>;
3605 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3606 (SAR8mCL addr:$dst)>;
3607 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3608 (SAR16mCL addr:$dst)>;
3609 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3610 (SAR32mCL addr:$dst)>;
3612 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3613 def : Pat<(or (srl GR32:$src1, CL:$amt),
3614 (shl GR32:$src2, (sub 32, CL:$amt))),
3615 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3617 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3618 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3619 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3621 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3622 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3623 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3625 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3626 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3628 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3630 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3631 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3633 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3634 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3635 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3637 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3638 def : Pat<(or (shl GR32:$src1, CL:$amt),
3639 (srl GR32:$src2, (sub 32, CL:$amt))),
3640 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3642 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3643 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3644 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3646 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3647 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3648 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3650 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3651 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3653 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3655 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3656 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3658 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3659 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3660 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3662 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3663 def : Pat<(or (srl GR16:$src1, CL:$amt),
3664 (shl GR16:$src2, (sub 16, CL:$amt))),
3665 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3667 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3668 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3669 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3671 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3672 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3673 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3675 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3676 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3678 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3680 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3681 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3683 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3684 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3685 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3687 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3688 def : Pat<(or (shl GR16:$src1, CL:$amt),
3689 (srl GR16:$src2, (sub 16, CL:$amt))),
3690 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3692 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3693 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3694 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3696 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3697 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3698 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3700 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3701 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3703 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3705 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3706 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3708 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3709 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3710 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3712 //===----------------------------------------------------------------------===//
3713 // EFLAGS-defining Patterns
3714 //===----------------------------------------------------------------------===//
3716 // Register-Register Addition with EFLAGS result
3717 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3719 (ADD8rr GR8:$src1, GR8:$src2)>;
3720 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3722 (ADD16rr GR16:$src1, GR16:$src2)>;
3723 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3725 (ADD32rr GR32:$src1, GR32:$src2)>;
3727 // Register-Memory Addition with EFLAGS result
3728 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3730 (ADD8rm GR8:$src1, addr:$src2)>;
3731 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3733 (ADD16rm GR16:$src1, addr:$src2)>;
3734 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3736 (ADD32rm GR32:$src1, addr:$src2)>;
3738 // Register-Integer Addition with EFLAGS result
3739 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3741 (ADD8ri GR8:$src1, imm:$src2)>;
3742 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3744 (ADD16ri GR16:$src1, imm:$src2)>;
3745 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3747 (ADD32ri GR32:$src1, imm:$src2)>;
3748 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3750 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3751 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3753 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3755 // Memory-Register Addition with EFLAGS result
3756 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3759 (ADD8mr addr:$dst, GR8:$src2)>;
3760 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3763 (ADD16mr addr:$dst, GR16:$src2)>;
3764 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3767 (ADD32mr addr:$dst, GR32:$src2)>;
3769 // Memory-Integer Addition with EFLAGS result
3770 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3773 (ADD8mi addr:$dst, imm:$src2)>;
3774 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3777 (ADD16mi addr:$dst, imm:$src2)>;
3778 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3781 (ADD32mi addr:$dst, imm:$src2)>;
3782 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3785 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3786 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3789 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3791 // Register-Register Subtraction with EFLAGS result
3792 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3794 (SUB8rr GR8:$src1, GR8:$src2)>;
3795 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3797 (SUB16rr GR16:$src1, GR16:$src2)>;
3798 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3800 (SUB32rr GR32:$src1, GR32:$src2)>;
3802 // Register-Memory Subtraction with EFLAGS result
3803 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3805 (SUB8rm GR8:$src1, addr:$src2)>;
3806 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3808 (SUB16rm GR16:$src1, addr:$src2)>;
3809 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3811 (SUB32rm GR32:$src1, addr:$src2)>;
3813 // Register-Integer Subtraction with EFLAGS result
3814 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3816 (SUB8ri GR8:$src1, imm:$src2)>;
3817 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3819 (SUB16ri GR16:$src1, imm:$src2)>;
3820 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3822 (SUB32ri GR32:$src1, imm:$src2)>;
3823 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3825 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3826 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3828 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3830 // Memory-Register Subtraction with EFLAGS result
3831 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3834 (SUB8mr addr:$dst, GR8:$src2)>;
3835 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3838 (SUB16mr addr:$dst, GR16:$src2)>;
3839 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3842 (SUB32mr addr:$dst, GR32:$src2)>;
3844 // Memory-Integer Subtraction with EFLAGS result
3845 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3848 (SUB8mi addr:$dst, imm:$src2)>;
3849 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3852 (SUB16mi addr:$dst, imm:$src2)>;
3853 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3856 (SUB32mi addr:$dst, imm:$src2)>;
3857 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3860 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3861 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3864 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3867 // Register-Register Signed Integer Multiply with EFLAGS result
3868 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3870 (IMUL16rr GR16:$src1, GR16:$src2)>;
3871 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3873 (IMUL32rr GR32:$src1, GR32:$src2)>;
3875 // Register-Memory Signed Integer Multiply with EFLAGS result
3876 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3878 (IMUL16rm GR16:$src1, addr:$src2)>;
3879 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
3881 (IMUL32rm GR32:$src1, addr:$src2)>;
3883 // Register-Integer Signed Integer Multiply with EFLAGS result
3884 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
3886 (IMUL16rri GR16:$src1, imm:$src2)>;
3887 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
3889 (IMUL32rri GR32:$src1, imm:$src2)>;
3890 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
3892 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3893 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
3895 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3897 // Memory-Integer Signed Integer Multiply with EFLAGS result
3898 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
3900 (IMUL16rmi addr:$src1, imm:$src2)>;
3901 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
3903 (IMUL32rmi addr:$src1, imm:$src2)>;
3904 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
3906 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3907 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
3909 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3911 // Optimize multiply by 2 with EFLAGS result.
3912 let AddedComplexity = 2 in {
3913 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
3915 (ADD16rr GR16:$src1, GR16:$src1)>;
3917 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
3919 (ADD32rr GR32:$src1, GR32:$src1)>;
3922 // INC and DEC with EFLAGS result. Note that these do not set CF.
3923 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
3925 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
3928 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
3930 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
3934 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
3935 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
3936 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
3938 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
3939 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
3940 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
3941 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
3943 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
3945 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
3946 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
3947 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
3949 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
3950 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
3951 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
3952 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
3954 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
3956 //===----------------------------------------------------------------------===//
3957 // Floating Point Stack Support
3958 //===----------------------------------------------------------------------===//
3960 include "X86InstrFPStack.td"
3962 //===----------------------------------------------------------------------===//
3964 //===----------------------------------------------------------------------===//
3966 include "X86Instr64bit.td"
3968 //===----------------------------------------------------------------------===//
3969 // XMM Floating point support (requires SSE / SSE2)
3970 //===----------------------------------------------------------------------===//
3972 include "X86InstrSSE.td"
3974 //===----------------------------------------------------------------------===//
3975 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3976 //===----------------------------------------------------------------------===//
3978 include "X86InstrMMX.td"