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 def SDTX86BrCond : SDTypeProfile<0, 3,
31 [SDTCisVT<0, OtherVT>,
32 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
34 def SDTX86SetCC : SDTypeProfile<1, 2,
36 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
38 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
40 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
42 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
43 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
44 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
46 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
47 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
50 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
52 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
54 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
56 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
58 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
60 def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
62 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
64 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
66 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
67 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
68 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
69 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
71 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
73 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
74 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
76 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
78 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
79 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
81 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
82 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
84 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
85 [SDNPHasChain, SDNPMayStore,
86 SDNPMayLoad, SDNPMemOperand]>;
87 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
88 [SDNPHasChain, SDNPMayStore,
89 SDNPMayLoad, SDNPMemOperand]>;
90 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
91 [SDNPHasChain, SDNPMayStore,
92 SDNPMayLoad, SDNPMemOperand]>;
93 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
94 [SDNPHasChain, SDNPMayStore,
95 SDNPMayLoad, SDNPMemOperand]>;
96 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
97 [SDNPHasChain, SDNPMayStore,
98 SDNPMayLoad, SDNPMemOperand]>;
99 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
100 [SDNPHasChain, SDNPMayStore,
101 SDNPMayLoad, SDNPMemOperand]>;
102 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
103 [SDNPHasChain, SDNPMayStore,
104 SDNPMayLoad, SDNPMemOperand]>;
105 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
106 [SDNPHasChain, SDNPOptInFlag]>;
108 def X86callseq_start :
109 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
110 [SDNPHasChain, SDNPOutFlag]>;
112 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
113 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
115 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
116 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
118 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
119 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
121 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
122 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
123 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
124 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
127 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
128 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
130 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
131 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
133 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
134 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
135 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
137 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
140 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
141 [SDNPHasChain, SDNPOptInFlag]>;
143 //===----------------------------------------------------------------------===//
144 // X86 Operand Definitions.
147 // *mem - Operand definitions for the funky X86 addressing mode operands.
149 class X86MemOperand<string printMethod> : Operand<iPTR> {
150 let PrintMethod = printMethod;
151 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
154 def i8mem : X86MemOperand<"printi8mem">;
155 def i16mem : X86MemOperand<"printi16mem">;
156 def i32mem : X86MemOperand<"printi32mem">;
157 def i64mem : X86MemOperand<"printi64mem">;
158 def i128mem : X86MemOperand<"printi128mem">;
159 def f32mem : X86MemOperand<"printf32mem">;
160 def f64mem : X86MemOperand<"printf64mem">;
161 def f80mem : X86MemOperand<"printf80mem">;
162 def f128mem : X86MemOperand<"printf128mem">;
164 def lea32mem : Operand<i32> {
165 let PrintMethod = "printi32mem";
166 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
169 def SSECC : Operand<i8> {
170 let PrintMethod = "printSSECC";
173 def piclabel: Operand<i32> {
174 let PrintMethod = "printPICLabel";
177 // A couple of more descriptive operand definitions.
178 // 16-bits but only 8 bits are significant.
179 def i16i8imm : Operand<i16>;
180 // 32-bits but only 8 bits are significant.
181 def i32i8imm : Operand<i32>;
183 // Branch targets have OtherVT type.
184 def brtarget : Operand<OtherVT>;
186 //===----------------------------------------------------------------------===//
187 // X86 Complex Pattern Definitions.
190 // Define X86 specific addressing mode.
191 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
192 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
193 [add, mul, shl, or, frameindex], []>;
195 //===----------------------------------------------------------------------===//
196 // X86 Instruction Predicate Definitions.
197 def HasMMX : Predicate<"Subtarget->hasMMX()">;
198 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
199 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
200 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
201 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
202 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
203 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
204 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
205 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
206 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
207 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
208 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
209 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
210 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
211 def OptForSpeed : Predicate<"!OptForSize">;
213 //===----------------------------------------------------------------------===//
214 // X86 Instruction Format Definitions.
217 include "X86InstrFormats.td"
219 //===----------------------------------------------------------------------===//
220 // Pattern fragments...
223 // X86 specific condition code. These correspond to CondCode in
224 // X86InstrInfo.h. They must be kept in synch.
225 def X86_COND_A : PatLeaf<(i8 0)>;
226 def X86_COND_AE : PatLeaf<(i8 1)>;
227 def X86_COND_B : PatLeaf<(i8 2)>;
228 def X86_COND_BE : PatLeaf<(i8 3)>;
229 def X86_COND_E : PatLeaf<(i8 4)>;
230 def X86_COND_G : PatLeaf<(i8 5)>;
231 def X86_COND_GE : PatLeaf<(i8 6)>;
232 def X86_COND_L : PatLeaf<(i8 7)>;
233 def X86_COND_LE : PatLeaf<(i8 8)>;
234 def X86_COND_NE : PatLeaf<(i8 9)>;
235 def X86_COND_NO : PatLeaf<(i8 10)>;
236 def X86_COND_NP : PatLeaf<(i8 11)>;
237 def X86_COND_NS : PatLeaf<(i8 12)>;
238 def X86_COND_O : PatLeaf<(i8 13)>;
239 def X86_COND_P : PatLeaf<(i8 14)>;
240 def X86_COND_S : PatLeaf<(i8 15)>;
242 def i16immSExt8 : PatLeaf<(i16 imm), [{
243 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
244 // sign extended field.
245 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
248 def i32immSExt8 : PatLeaf<(i32 imm), [{
249 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
250 // sign extended field.
251 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
254 // Helper fragments for loads.
255 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
256 // known to be 32-bit aligned or better. Ditto for i8 to i16.
257 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
258 LoadSDNode *LD = cast<LoadSDNode>(N);
259 ISD::LoadExtType ExtType = LD->getExtensionType();
260 if (ExtType == ISD::NON_EXTLOAD)
262 if (ExtType == ISD::EXTLOAD)
263 return LD->getAlignment() >= 2 && !LD->isVolatile();
267 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
268 LoadSDNode *LD = cast<LoadSDNode>(N);
269 ISD::LoadExtType ExtType = LD->getExtensionType();
270 if (ExtType == ISD::EXTLOAD)
271 return LD->getAlignment() >= 2 && !LD->isVolatile();
275 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
276 LoadSDNode *LD = cast<LoadSDNode>(N);
277 ISD::LoadExtType ExtType = LD->getExtensionType();
278 if (ExtType == ISD::NON_EXTLOAD)
280 if (ExtType == ISD::EXTLOAD)
281 return LD->getAlignment() >= 4 && !LD->isVolatile();
285 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
286 LoadSDNode *LD = cast<LoadSDNode>(N);
287 if (LD->isVolatile())
289 ISD::LoadExtType ExtType = LD->getExtensionType();
290 if (ExtType == ISD::NON_EXTLOAD)
292 if (ExtType == ISD::EXTLOAD)
293 return LD->getAlignment() >= 4;
297 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
298 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
300 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
301 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
302 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
304 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
305 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
306 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
308 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
309 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
310 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
311 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
312 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
313 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
315 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
316 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
317 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
318 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
319 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
320 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
323 // An 'and' node with a single use.
324 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
325 return N->hasOneUse();
328 // 'shld' and 'shrd' instruction patterns. Note that even though these have
329 // the srl and shl in their patterns, the C++ code must still check for them,
330 // because predicates are tested before children nodes are explored.
332 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
333 (or (srl node:$src1, node:$amt1),
334 (shl node:$src2, node:$amt2)), [{
335 assert(N->getOpcode() == ISD::OR);
336 return N->getOperand(0).getOpcode() == ISD::SRL &&
337 N->getOperand(1).getOpcode() == ISD::SHL &&
338 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
339 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
340 N->getOperand(0).getConstantOperandVal(1) ==
341 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
344 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
345 (or (shl node:$src1, node:$amt1),
346 (srl node:$src2, node:$amt2)), [{
347 assert(N->getOpcode() == ISD::OR);
348 return N->getOperand(0).getOpcode() == ISD::SHL &&
349 N->getOperand(1).getOpcode() == ISD::SRL &&
350 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
351 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
352 N->getOperand(0).getConstantOperandVal(1) ==
353 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
356 //===----------------------------------------------------------------------===//
357 // Instruction list...
360 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
361 // a stack adjustment and the codegen must know that they may modify the stack
362 // pointer before prolog-epilog rewriting occurs.
363 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
364 // sub / add which can clobber EFLAGS.
365 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
366 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
368 [(X86callseq_start timm:$amt)]>,
369 Requires<[In32BitMode]>;
370 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
372 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
373 Requires<[In32BitMode]>;
377 let neverHasSideEffects = 1 in
378 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
381 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
382 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
383 "call\t$label\n\tpop{l}\t$reg", []>;
385 //===----------------------------------------------------------------------===//
386 // Control Flow Instructions...
389 // Return instructions.
390 let isTerminator = 1, isReturn = 1, isBarrier = 1,
391 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
392 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
395 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
397 [(X86retflag imm:$amt)]>;
400 // All branches are RawFrm, Void, Branch, and Terminators
401 let isBranch = 1, isTerminator = 1 in
402 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
403 I<opcode, RawFrm, (outs), ins, asm, pattern>;
405 let isBranch = 1, isBarrier = 1 in
406 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
409 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
410 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
411 [(brind GR32:$dst)]>;
412 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
413 [(brind (loadi32 addr:$dst))]>;
416 // Conditional branches
417 let Uses = [EFLAGS] in {
418 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
419 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
420 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
421 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
422 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
423 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
424 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
425 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
426 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
427 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
428 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
429 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
431 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
432 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
433 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
434 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
435 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
436 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
437 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
438 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
440 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
441 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
442 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
443 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
444 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
445 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
446 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
447 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
448 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
449 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
450 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
451 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
454 //===----------------------------------------------------------------------===//
455 // Call Instructions...
458 // All calls clobber the non-callee saved registers. ESP is marked as
459 // a use to prevent stack-pointer assignments that appear immediately
460 // before calls from potentially appearing dead. Uses for argument
461 // registers are added manually.
462 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
463 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
464 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, EFLAGS],
466 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
467 "call\t${dst:call}", []>;
468 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
469 "call\t{*}$dst", [(X86call GR32:$dst)]>;
470 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
471 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
476 def TAILCALL : I<0, Pseudo, (outs), (ins),
480 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
481 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
482 "#TC_RETURN $dst $offset",
485 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
486 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
487 "#TC_RETURN $dst $offset",
490 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
492 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
494 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
495 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
497 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
498 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
499 "jmp\t{*}$dst # TAILCALL", []>;
501 //===----------------------------------------------------------------------===//
502 // Miscellaneous Instructions...
504 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
505 def LEAVE : I<0xC9, RawFrm,
506 (outs), (ins), "leave", []>;
508 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
510 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
513 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
516 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
517 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
518 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
519 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
521 let isTwoAddress = 1 in // GR32 = bswap GR32
522 def BSWAP32r : I<0xC8, AddRegFrm,
523 (outs GR32:$dst), (ins GR32:$src),
525 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
528 // Bit scan instructions.
529 let Defs = [EFLAGS] in {
530 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
531 "bsf{w}\t{$src, $dst|$dst, $src}",
532 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
533 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
534 "bsf{w}\t{$src, $dst|$dst, $src}",
535 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
536 (implicit EFLAGS)]>, TB;
537 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
538 "bsf{l}\t{$src, $dst|$dst, $src}",
539 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
540 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
541 "bsf{l}\t{$src, $dst|$dst, $src}",
542 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
543 (implicit EFLAGS)]>, TB;
545 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
546 "bsr{w}\t{$src, $dst|$dst, $src}",
547 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
548 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
549 "bsr{w}\t{$src, $dst|$dst, $src}",
550 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
551 (implicit EFLAGS)]>, TB;
552 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
553 "bsr{l}\t{$src, $dst|$dst, $src}",
554 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
555 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
556 "bsr{l}\t{$src, $dst|$dst, $src}",
557 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
558 (implicit EFLAGS)]>, TB;
561 let neverHasSideEffects = 1 in
562 def LEA16r : I<0x8D, MRMSrcMem,
563 (outs GR16:$dst), (ins i32mem:$src),
564 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
565 let isReMaterializable = 1 in
566 def LEA32r : I<0x8D, MRMSrcMem,
567 (outs GR32:$dst), (ins lea32mem:$src),
568 "lea{l}\t{$src|$dst}, {$dst|$src}",
569 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
571 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
572 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
573 [(X86rep_movs i8)]>, REP;
574 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
575 [(X86rep_movs i16)]>, REP, OpSize;
576 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
577 [(X86rep_movs i32)]>, REP;
580 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
581 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
582 [(X86rep_stos i8)]>, REP;
583 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
584 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
585 [(X86rep_stos i16)]>, REP, OpSize;
586 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
587 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
588 [(X86rep_stos i32)]>, REP;
590 let Defs = [RAX, RDX] in
591 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
594 let isBarrier = 1, hasCtrlDep = 1 in {
595 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
598 //===----------------------------------------------------------------------===//
599 // Input/Output Instructions...
601 let Defs = [AL], Uses = [DX] in
602 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
603 "in{b}\t{%dx, %al|%AL, %DX}", []>;
604 let Defs = [AX], Uses = [DX] in
605 def IN16rr : I<0xED, RawFrm, (outs), (ins),
606 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
607 let Defs = [EAX], Uses = [DX] in
608 def IN32rr : I<0xED, RawFrm, (outs), (ins),
609 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
612 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
613 "in{b}\t{$port, %al|%AL, $port}", []>;
615 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
616 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
618 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
619 "in{l}\t{$port, %eax|%EAX, $port}", []>;
621 let Uses = [DX, AL] in
622 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
623 "out{b}\t{%al, %dx|%DX, %AL}", []>;
624 let Uses = [DX, AX] in
625 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
626 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
627 let Uses = [DX, EAX] in
628 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
629 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
632 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
633 "out{b}\t{%al, $port|$port, %AL}", []>;
635 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
636 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
638 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
639 "out{l}\t{%eax, $port|$port, %EAX}", []>;
641 //===----------------------------------------------------------------------===//
642 // Move Instructions...
644 let neverHasSideEffects = 1 in {
645 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
646 "mov{b}\t{$src, $dst|$dst, $src}", []>;
647 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
648 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
649 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
650 "mov{l}\t{$src, $dst|$dst, $src}", []>;
652 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
653 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
654 "mov{b}\t{$src, $dst|$dst, $src}",
655 [(set GR8:$dst, imm:$src)]>;
656 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
657 "mov{w}\t{$src, $dst|$dst, $src}",
658 [(set GR16:$dst, imm:$src)]>, OpSize;
659 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
660 "mov{l}\t{$src, $dst|$dst, $src}",
661 [(set GR32:$dst, imm:$src)]>;
663 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
664 "mov{b}\t{$src, $dst|$dst, $src}",
665 [(store (i8 imm:$src), addr:$dst)]>;
666 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
667 "mov{w}\t{$src, $dst|$dst, $src}",
668 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
669 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
670 "mov{l}\t{$src, $dst|$dst, $src}",
671 [(store (i32 imm:$src), addr:$dst)]>;
673 let isSimpleLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
674 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
675 "mov{b}\t{$src, $dst|$dst, $src}",
676 [(set GR8:$dst, (load addr:$src))]>;
677 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
678 "mov{w}\t{$src, $dst|$dst, $src}",
679 [(set GR16:$dst, (load addr:$src))]>, OpSize;
680 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
681 "mov{l}\t{$src, $dst|$dst, $src}",
682 [(set GR32:$dst, (load addr:$src))]>;
685 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
686 "mov{b}\t{$src, $dst|$dst, $src}",
687 [(store GR8:$src, addr:$dst)]>;
688 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
689 "mov{w}\t{$src, $dst|$dst, $src}",
690 [(store GR16:$src, addr:$dst)]>, OpSize;
691 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
692 "mov{l}\t{$src, $dst|$dst, $src}",
693 [(store GR32:$src, addr:$dst)]>;
695 //===----------------------------------------------------------------------===//
696 // Fixed-Register Multiplication and Division Instructions...
699 // Extra precision multiplication
700 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
701 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
702 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
703 // This probably ought to be moved to a def : Pat<> if the
704 // syntax can be accepted.
705 [(set AL, (mul AL, GR8:$src))]>; // AL,AH = AL*GR8
706 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
707 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src), "mul{w}\t$src", []>,
708 OpSize; // AX,DX = AX*GR16
709 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
710 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src), "mul{l}\t$src", []>;
711 // EAX,EDX = EAX*GR32
712 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
713 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
715 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
716 // This probably ought to be moved to a def : Pat<> if the
717 // syntax can be accepted.
718 [(set AL, (mul AL, (loadi8 addr:$src)))]>; // AL,AH = AL*[mem8]
719 let mayLoad = 1, neverHasSideEffects = 1 in {
720 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
721 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
722 "mul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
723 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
724 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
725 "mul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
728 let neverHasSideEffects = 1 in {
729 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
730 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
732 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
733 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
734 OpSize; // AX,DX = AX*GR16
735 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
736 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
737 // EAX,EDX = EAX*GR32
739 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
740 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
741 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
742 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
743 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
744 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
745 let Defs = [EAX,EDX], Uses = [EAX] in
746 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
747 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
750 // unsigned division/remainder
751 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
752 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
754 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
755 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
756 "div{w}\t$src", []>, OpSize;
757 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
758 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
761 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
762 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
764 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
765 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
766 "div{w}\t$src", []>, OpSize;
767 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
768 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
772 // Signed division/remainder.
773 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
774 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
775 "idiv{b}\t$src", []>;
776 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
777 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
778 "idiv{w}\t$src", []>, OpSize;
779 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
780 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
781 "idiv{l}\t$src", []>;
782 let mayLoad = 1, mayLoad = 1 in {
783 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
784 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
785 "idiv{b}\t$src", []>;
786 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
787 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
788 "idiv{w}\t$src", []>, OpSize;
789 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
790 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
791 "idiv{l}\t$src", []>;
793 } // neverHasSideEffects
795 //===----------------------------------------------------------------------===//
796 // Two address Instructions.
798 let isTwoAddress = 1 in {
801 let Uses = [EFLAGS] in {
802 let isCommutable = 1 in {
803 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
804 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
805 "cmovb\t{$src2, $dst|$dst, $src2}",
806 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
807 X86_COND_B, EFLAGS))]>,
809 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
810 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
811 "cmovb\t{$src2, $dst|$dst, $src2}",
812 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
813 X86_COND_B, EFLAGS))]>,
816 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
817 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
818 "cmovae\t{$src2, $dst|$dst, $src2}",
819 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
820 X86_COND_AE, EFLAGS))]>,
822 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
823 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
824 "cmovae\t{$src2, $dst|$dst, $src2}",
825 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
826 X86_COND_AE, EFLAGS))]>,
828 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
829 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
830 "cmove\t{$src2, $dst|$dst, $src2}",
831 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
832 X86_COND_E, EFLAGS))]>,
834 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
835 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
836 "cmove\t{$src2, $dst|$dst, $src2}",
837 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
838 X86_COND_E, EFLAGS))]>,
840 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
841 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
842 "cmovne\t{$src2, $dst|$dst, $src2}",
843 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
844 X86_COND_NE, EFLAGS))]>,
846 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
847 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
848 "cmovne\t{$src2, $dst|$dst, $src2}",
849 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
850 X86_COND_NE, EFLAGS))]>,
852 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
853 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
854 "cmovbe\t{$src2, $dst|$dst, $src2}",
855 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
856 X86_COND_BE, EFLAGS))]>,
858 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
859 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
860 "cmovbe\t{$src2, $dst|$dst, $src2}",
861 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
862 X86_COND_BE, EFLAGS))]>,
864 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
865 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
866 "cmova\t{$src2, $dst|$dst, $src2}",
867 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
868 X86_COND_A, EFLAGS))]>,
870 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
871 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
872 "cmova\t{$src2, $dst|$dst, $src2}",
873 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
874 X86_COND_A, EFLAGS))]>,
876 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
877 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
878 "cmovl\t{$src2, $dst|$dst, $src2}",
879 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
880 X86_COND_L, EFLAGS))]>,
882 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
883 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
884 "cmovl\t{$src2, $dst|$dst, $src2}",
885 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
886 X86_COND_L, EFLAGS))]>,
888 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
889 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
890 "cmovge\t{$src2, $dst|$dst, $src2}",
891 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
892 X86_COND_GE, EFLAGS))]>,
894 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
895 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
896 "cmovge\t{$src2, $dst|$dst, $src2}",
897 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
898 X86_COND_GE, EFLAGS))]>,
900 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
901 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
902 "cmovle\t{$src2, $dst|$dst, $src2}",
903 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
904 X86_COND_LE, EFLAGS))]>,
906 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
907 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
908 "cmovle\t{$src2, $dst|$dst, $src2}",
909 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
910 X86_COND_LE, EFLAGS))]>,
912 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
913 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
914 "cmovg\t{$src2, $dst|$dst, $src2}",
915 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
916 X86_COND_G, EFLAGS))]>,
918 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
919 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
920 "cmovg\t{$src2, $dst|$dst, $src2}",
921 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
922 X86_COND_G, EFLAGS))]>,
924 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
925 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
926 "cmovs\t{$src2, $dst|$dst, $src2}",
927 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
928 X86_COND_S, EFLAGS))]>,
930 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
931 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
932 "cmovs\t{$src2, $dst|$dst, $src2}",
933 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
934 X86_COND_S, EFLAGS))]>,
936 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
937 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
938 "cmovns\t{$src2, $dst|$dst, $src2}",
939 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
940 X86_COND_NS, EFLAGS))]>,
942 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
943 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
944 "cmovns\t{$src2, $dst|$dst, $src2}",
945 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
946 X86_COND_NS, EFLAGS))]>,
948 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
949 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
950 "cmovp\t{$src2, $dst|$dst, $src2}",
951 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
952 X86_COND_P, EFLAGS))]>,
954 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
955 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
956 "cmovp\t{$src2, $dst|$dst, $src2}",
957 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
958 X86_COND_P, EFLAGS))]>,
960 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
961 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
962 "cmovnp\t{$src2, $dst|$dst, $src2}",
963 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
964 X86_COND_NP, EFLAGS))]>,
966 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
967 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
968 "cmovnp\t{$src2, $dst|$dst, $src2}",
969 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
970 X86_COND_NP, EFLAGS))]>,
972 } // isCommutable = 1
974 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
975 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
976 "cmovnp\t{$src2, $dst|$dst, $src2}",
977 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
978 X86_COND_NP, EFLAGS))]>,
981 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
982 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
983 "cmovb\t{$src2, $dst|$dst, $src2}",
984 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
985 X86_COND_B, EFLAGS))]>,
987 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
988 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
989 "cmovb\t{$src2, $dst|$dst, $src2}",
990 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
991 X86_COND_B, EFLAGS))]>,
993 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
994 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
995 "cmovae\t{$src2, $dst|$dst, $src2}",
996 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
997 X86_COND_AE, EFLAGS))]>,
999 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1000 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1001 "cmovae\t{$src2, $dst|$dst, $src2}",
1002 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1003 X86_COND_AE, EFLAGS))]>,
1005 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1006 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1007 "cmove\t{$src2, $dst|$dst, $src2}",
1008 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1009 X86_COND_E, EFLAGS))]>,
1011 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1012 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1013 "cmove\t{$src2, $dst|$dst, $src2}",
1014 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1015 X86_COND_E, EFLAGS))]>,
1017 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1018 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1019 "cmovne\t{$src2, $dst|$dst, $src2}",
1020 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1021 X86_COND_NE, EFLAGS))]>,
1023 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1024 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1025 "cmovne\t{$src2, $dst|$dst, $src2}",
1026 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1027 X86_COND_NE, EFLAGS))]>,
1029 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1030 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1031 "cmovbe\t{$src2, $dst|$dst, $src2}",
1032 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1033 X86_COND_BE, EFLAGS))]>,
1035 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1036 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1037 "cmovbe\t{$src2, $dst|$dst, $src2}",
1038 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1039 X86_COND_BE, EFLAGS))]>,
1041 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1042 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1043 "cmova\t{$src2, $dst|$dst, $src2}",
1044 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1045 X86_COND_A, EFLAGS))]>,
1047 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1048 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1049 "cmova\t{$src2, $dst|$dst, $src2}",
1050 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1051 X86_COND_A, EFLAGS))]>,
1053 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1054 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1055 "cmovl\t{$src2, $dst|$dst, $src2}",
1056 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1057 X86_COND_L, EFLAGS))]>,
1059 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1060 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1061 "cmovl\t{$src2, $dst|$dst, $src2}",
1062 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1063 X86_COND_L, EFLAGS))]>,
1065 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1066 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1067 "cmovge\t{$src2, $dst|$dst, $src2}",
1068 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1069 X86_COND_GE, EFLAGS))]>,
1071 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1072 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1073 "cmovge\t{$src2, $dst|$dst, $src2}",
1074 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1075 X86_COND_GE, EFLAGS))]>,
1077 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1078 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1079 "cmovle\t{$src2, $dst|$dst, $src2}",
1080 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1081 X86_COND_LE, EFLAGS))]>,
1083 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1084 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1085 "cmovle\t{$src2, $dst|$dst, $src2}",
1086 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1087 X86_COND_LE, EFLAGS))]>,
1089 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1090 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1091 "cmovg\t{$src2, $dst|$dst, $src2}",
1092 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1093 X86_COND_G, EFLAGS))]>,
1095 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1096 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1097 "cmovg\t{$src2, $dst|$dst, $src2}",
1098 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1099 X86_COND_G, EFLAGS))]>,
1101 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1102 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1103 "cmovs\t{$src2, $dst|$dst, $src2}",
1104 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1105 X86_COND_S, EFLAGS))]>,
1107 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1108 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1109 "cmovs\t{$src2, $dst|$dst, $src2}",
1110 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1111 X86_COND_S, EFLAGS))]>,
1113 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1114 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1115 "cmovns\t{$src2, $dst|$dst, $src2}",
1116 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1117 X86_COND_NS, EFLAGS))]>,
1119 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1120 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1121 "cmovns\t{$src2, $dst|$dst, $src2}",
1122 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1123 X86_COND_NS, EFLAGS))]>,
1125 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1126 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1127 "cmovp\t{$src2, $dst|$dst, $src2}",
1128 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1129 X86_COND_P, EFLAGS))]>,
1131 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1132 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1133 "cmovp\t{$src2, $dst|$dst, $src2}",
1134 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1135 X86_COND_P, EFLAGS))]>,
1137 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1138 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1139 "cmovnp\t{$src2, $dst|$dst, $src2}",
1140 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1141 X86_COND_NP, EFLAGS))]>,
1143 } // Uses = [EFLAGS]
1146 // unary instructions
1147 let CodeSize = 2 in {
1148 let Defs = [EFLAGS] in {
1149 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1150 [(set GR8:$dst, (ineg GR8:$src))]>;
1151 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1152 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1153 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1154 [(set GR32:$dst, (ineg GR32:$src))]>;
1155 let isTwoAddress = 0 in {
1156 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1157 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1158 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1159 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1160 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1161 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1164 } // Defs = [EFLAGS]
1166 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1167 [(set GR8:$dst, (not GR8:$src))]>;
1168 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1169 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1170 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1171 [(set GR32:$dst, (not GR32:$src))]>;
1172 let isTwoAddress = 0 in {
1173 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1174 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1175 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1176 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1177 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1178 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1182 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1183 let Defs = [EFLAGS] in {
1185 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1186 [(set GR8:$dst, (add GR8:$src, 1))]>;
1187 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1188 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1189 [(set GR16:$dst, (add GR16:$src, 1))]>,
1190 OpSize, Requires<[In32BitMode]>;
1191 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1192 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1194 let isTwoAddress = 0, CodeSize = 2 in {
1195 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1196 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1197 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1198 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>,
1199 OpSize, Requires<[In32BitMode]>;
1200 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1201 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>,
1202 Requires<[In32BitMode]>;
1206 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1207 [(set GR8:$dst, (add GR8:$src, -1))]>;
1208 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1209 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1210 [(set GR16:$dst, (add GR16:$src, -1))]>,
1211 OpSize, Requires<[In32BitMode]>;
1212 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1213 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1216 let isTwoAddress = 0, CodeSize = 2 in {
1217 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1218 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1219 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1220 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>,
1221 OpSize, Requires<[In32BitMode]>;
1222 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1223 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>,
1224 Requires<[In32BitMode]>;
1226 } // Defs = [EFLAGS]
1228 // Logical operators...
1229 let Defs = [EFLAGS] in {
1230 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1231 def AND8rr : I<0x20, MRMDestReg,
1232 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1233 "and{b}\t{$src2, $dst|$dst, $src2}",
1234 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1235 def AND16rr : I<0x21, MRMDestReg,
1236 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1237 "and{w}\t{$src2, $dst|$dst, $src2}",
1238 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1239 def AND32rr : I<0x21, MRMDestReg,
1240 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1241 "and{l}\t{$src2, $dst|$dst, $src2}",
1242 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1245 def AND8rm : I<0x22, MRMSrcMem,
1246 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1247 "and{b}\t{$src2, $dst|$dst, $src2}",
1248 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1249 def AND16rm : I<0x23, MRMSrcMem,
1250 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1251 "and{w}\t{$src2, $dst|$dst, $src2}",
1252 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1253 def AND32rm : I<0x23, MRMSrcMem,
1254 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1255 "and{l}\t{$src2, $dst|$dst, $src2}",
1256 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1258 def AND8ri : Ii8<0x80, MRM4r,
1259 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1260 "and{b}\t{$src2, $dst|$dst, $src2}",
1261 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1262 def AND16ri : Ii16<0x81, MRM4r,
1263 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1264 "and{w}\t{$src2, $dst|$dst, $src2}",
1265 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1266 def AND32ri : Ii32<0x81, MRM4r,
1267 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1268 "and{l}\t{$src2, $dst|$dst, $src2}",
1269 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1270 def AND16ri8 : Ii8<0x83, MRM4r,
1271 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1272 "and{w}\t{$src2, $dst|$dst, $src2}",
1273 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1275 def AND32ri8 : Ii8<0x83, MRM4r,
1276 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1277 "and{l}\t{$src2, $dst|$dst, $src2}",
1278 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1280 let isTwoAddress = 0 in {
1281 def AND8mr : I<0x20, MRMDestMem,
1282 (outs), (ins i8mem :$dst, GR8 :$src),
1283 "and{b}\t{$src, $dst|$dst, $src}",
1284 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1285 def AND16mr : I<0x21, MRMDestMem,
1286 (outs), (ins i16mem:$dst, GR16:$src),
1287 "and{w}\t{$src, $dst|$dst, $src}",
1288 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1290 def AND32mr : I<0x21, MRMDestMem,
1291 (outs), (ins i32mem:$dst, GR32:$src),
1292 "and{l}\t{$src, $dst|$dst, $src}",
1293 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1294 def AND8mi : Ii8<0x80, MRM4m,
1295 (outs), (ins i8mem :$dst, i8imm :$src),
1296 "and{b}\t{$src, $dst|$dst, $src}",
1297 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1298 def AND16mi : Ii16<0x81, MRM4m,
1299 (outs), (ins i16mem:$dst, i16imm:$src),
1300 "and{w}\t{$src, $dst|$dst, $src}",
1301 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1303 def AND32mi : Ii32<0x81, MRM4m,
1304 (outs), (ins i32mem:$dst, i32imm:$src),
1305 "and{l}\t{$src, $dst|$dst, $src}",
1306 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1307 def AND16mi8 : Ii8<0x83, MRM4m,
1308 (outs), (ins i16mem:$dst, i16i8imm :$src),
1309 "and{w}\t{$src, $dst|$dst, $src}",
1310 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1312 def AND32mi8 : Ii8<0x83, MRM4m,
1313 (outs), (ins i32mem:$dst, i32i8imm :$src),
1314 "and{l}\t{$src, $dst|$dst, $src}",
1315 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1319 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1320 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1321 "or{b}\t{$src2, $dst|$dst, $src2}",
1322 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1323 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1324 "or{w}\t{$src2, $dst|$dst, $src2}",
1325 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1326 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1327 "or{l}\t{$src2, $dst|$dst, $src2}",
1328 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1330 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1331 "or{b}\t{$src2, $dst|$dst, $src2}",
1332 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1333 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1334 "or{w}\t{$src2, $dst|$dst, $src2}",
1335 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1336 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1337 "or{l}\t{$src2, $dst|$dst, $src2}",
1338 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1340 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1341 "or{b}\t{$src2, $dst|$dst, $src2}",
1342 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1343 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1344 "or{w}\t{$src2, $dst|$dst, $src2}",
1345 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1346 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1347 "or{l}\t{$src2, $dst|$dst, $src2}",
1348 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1350 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1351 "or{w}\t{$src2, $dst|$dst, $src2}",
1352 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1353 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1354 "or{l}\t{$src2, $dst|$dst, $src2}",
1355 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1356 let isTwoAddress = 0 in {
1357 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1358 "or{b}\t{$src, $dst|$dst, $src}",
1359 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1360 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1361 "or{w}\t{$src, $dst|$dst, $src}",
1362 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1363 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1364 "or{l}\t{$src, $dst|$dst, $src}",
1365 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1366 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1367 "or{b}\t{$src, $dst|$dst, $src}",
1368 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1369 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1370 "or{w}\t{$src, $dst|$dst, $src}",
1371 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1373 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1374 "or{l}\t{$src, $dst|$dst, $src}",
1375 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1376 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1377 "or{w}\t{$src, $dst|$dst, $src}",
1378 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1380 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1381 "or{l}\t{$src, $dst|$dst, $src}",
1382 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1383 } // isTwoAddress = 0
1386 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1387 def XOR8rr : I<0x30, MRMDestReg,
1388 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1389 "xor{b}\t{$src2, $dst|$dst, $src2}",
1390 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1391 def XOR16rr : I<0x31, MRMDestReg,
1392 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1393 "xor{w}\t{$src2, $dst|$dst, $src2}",
1394 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1395 def XOR32rr : I<0x31, MRMDestReg,
1396 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1397 "xor{l}\t{$src2, $dst|$dst, $src2}",
1398 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1399 } // isCommutable = 1
1401 def XOR8rm : I<0x32, MRMSrcMem ,
1402 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1403 "xor{b}\t{$src2, $dst|$dst, $src2}",
1404 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1405 def XOR16rm : I<0x33, MRMSrcMem ,
1406 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1407 "xor{w}\t{$src2, $dst|$dst, $src2}",
1408 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>,
1410 def XOR32rm : I<0x33, MRMSrcMem ,
1411 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1412 "xor{l}\t{$src2, $dst|$dst, $src2}",
1413 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1415 def XOR8ri : Ii8<0x80, MRM6r,
1416 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1417 "xor{b}\t{$src2, $dst|$dst, $src2}",
1418 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1419 def XOR16ri : Ii16<0x81, MRM6r,
1420 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1421 "xor{w}\t{$src2, $dst|$dst, $src2}",
1422 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1423 def XOR32ri : Ii32<0x81, MRM6r,
1424 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1425 "xor{l}\t{$src2, $dst|$dst, $src2}",
1426 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1427 def XOR16ri8 : Ii8<0x83, MRM6r,
1428 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1429 "xor{w}\t{$src2, $dst|$dst, $src2}",
1430 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1432 def XOR32ri8 : Ii8<0x83, MRM6r,
1433 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1434 "xor{l}\t{$src2, $dst|$dst, $src2}",
1435 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1437 let isTwoAddress = 0 in {
1438 def XOR8mr : I<0x30, MRMDestMem,
1439 (outs), (ins i8mem :$dst, GR8 :$src),
1440 "xor{b}\t{$src, $dst|$dst, $src}",
1441 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1442 def XOR16mr : I<0x31, MRMDestMem,
1443 (outs), (ins i16mem:$dst, GR16:$src),
1444 "xor{w}\t{$src, $dst|$dst, $src}",
1445 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1447 def XOR32mr : I<0x31, MRMDestMem,
1448 (outs), (ins i32mem:$dst, GR32:$src),
1449 "xor{l}\t{$src, $dst|$dst, $src}",
1450 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1451 def XOR8mi : Ii8<0x80, MRM6m,
1452 (outs), (ins i8mem :$dst, i8imm :$src),
1453 "xor{b}\t{$src, $dst|$dst, $src}",
1454 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1455 def XOR16mi : Ii16<0x81, MRM6m,
1456 (outs), (ins i16mem:$dst, i16imm:$src),
1457 "xor{w}\t{$src, $dst|$dst, $src}",
1458 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1460 def XOR32mi : Ii32<0x81, MRM6m,
1461 (outs), (ins i32mem:$dst, i32imm:$src),
1462 "xor{l}\t{$src, $dst|$dst, $src}",
1463 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1464 def XOR16mi8 : Ii8<0x83, MRM6m,
1465 (outs), (ins i16mem:$dst, i16i8imm :$src),
1466 "xor{w}\t{$src, $dst|$dst, $src}",
1467 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1469 def XOR32mi8 : Ii8<0x83, MRM6m,
1470 (outs), (ins i32mem:$dst, i32i8imm :$src),
1471 "xor{l}\t{$src, $dst|$dst, $src}",
1472 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1473 } // isTwoAddress = 0
1474 } // Defs = [EFLAGS]
1476 // Shift instructions
1477 let Defs = [EFLAGS] in {
1478 let Uses = [CL] in {
1479 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1480 "shl{b}\t{%cl, $dst|$dst, %CL}",
1481 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1482 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1483 "shl{w}\t{%cl, $dst|$dst, %CL}",
1484 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1485 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1486 "shl{l}\t{%cl, $dst|$dst, %CL}",
1487 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1490 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1491 "shl{b}\t{$src2, $dst|$dst, $src2}",
1492 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1493 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1494 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1495 "shl{w}\t{$src2, $dst|$dst, $src2}",
1496 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1497 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1498 "shl{l}\t{$src2, $dst|$dst, $src2}",
1499 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1500 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1502 } // isConvertibleToThreeAddress = 1
1504 let isTwoAddress = 0 in {
1505 let Uses = [CL] in {
1506 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1507 "shl{b}\t{%cl, $dst|$dst, %CL}",
1508 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1509 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1510 "shl{w}\t{%cl, $dst|$dst, %CL}",
1511 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1512 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1513 "shl{l}\t{%cl, $dst|$dst, %CL}",
1514 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1516 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1517 "shl{b}\t{$src, $dst|$dst, $src}",
1518 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1519 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1520 "shl{w}\t{$src, $dst|$dst, $src}",
1521 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1523 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1524 "shl{l}\t{$src, $dst|$dst, $src}",
1525 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1528 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1530 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1531 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1533 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1535 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1537 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1540 let Uses = [CL] in {
1541 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1542 "shr{b}\t{%cl, $dst|$dst, %CL}",
1543 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1544 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1545 "shr{w}\t{%cl, $dst|$dst, %CL}",
1546 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1547 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1548 "shr{l}\t{%cl, $dst|$dst, %CL}",
1549 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1552 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1553 "shr{b}\t{$src2, $dst|$dst, $src2}",
1554 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1555 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1556 "shr{w}\t{$src2, $dst|$dst, $src2}",
1557 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1558 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1559 "shr{l}\t{$src2, $dst|$dst, $src2}",
1560 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1563 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1565 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1566 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1568 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1569 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1571 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1573 let isTwoAddress = 0 in {
1574 let Uses = [CL] in {
1575 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1576 "shr{b}\t{%cl, $dst|$dst, %CL}",
1577 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1578 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1579 "shr{w}\t{%cl, $dst|$dst, %CL}",
1580 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1582 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1583 "shr{l}\t{%cl, $dst|$dst, %CL}",
1584 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1586 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1587 "shr{b}\t{$src, $dst|$dst, $src}",
1588 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1589 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1590 "shr{w}\t{$src, $dst|$dst, $src}",
1591 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1593 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1594 "shr{l}\t{$src, $dst|$dst, $src}",
1595 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1598 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1600 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1601 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1603 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1604 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1606 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1609 let Uses = [CL] in {
1610 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1611 "sar{b}\t{%cl, $dst|$dst, %CL}",
1612 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1613 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1614 "sar{w}\t{%cl, $dst|$dst, %CL}",
1615 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1616 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1617 "sar{l}\t{%cl, $dst|$dst, %CL}",
1618 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1621 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1622 "sar{b}\t{$src2, $dst|$dst, $src2}",
1623 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1624 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1625 "sar{w}\t{$src2, $dst|$dst, $src2}",
1626 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1628 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1629 "sar{l}\t{$src2, $dst|$dst, $src2}",
1630 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1633 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1635 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1636 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1638 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1639 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1641 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1643 let isTwoAddress = 0 in {
1644 let Uses = [CL] in {
1645 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1646 "sar{b}\t{%cl, $dst|$dst, %CL}",
1647 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1648 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1649 "sar{w}\t{%cl, $dst|$dst, %CL}",
1650 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1651 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1652 "sar{l}\t{%cl, $dst|$dst, %CL}",
1653 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1655 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1656 "sar{b}\t{$src, $dst|$dst, $src}",
1657 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1658 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1659 "sar{w}\t{$src, $dst|$dst, $src}",
1660 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1662 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1663 "sar{l}\t{$src, $dst|$dst, $src}",
1664 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1667 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1669 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1670 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1672 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1674 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1676 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1679 // Rotate instructions
1680 // FIXME: provide shorter instructions when imm8 == 1
1681 let Uses = [CL] in {
1682 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1683 "rol{b}\t{%cl, $dst|$dst, %CL}",
1684 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1685 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1686 "rol{w}\t{%cl, $dst|$dst, %CL}",
1687 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1688 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1689 "rol{l}\t{%cl, $dst|$dst, %CL}",
1690 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1693 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1694 "rol{b}\t{$src2, $dst|$dst, $src2}",
1695 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1696 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1697 "rol{w}\t{$src2, $dst|$dst, $src2}",
1698 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1699 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1700 "rol{l}\t{$src2, $dst|$dst, $src2}",
1701 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1704 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1706 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1707 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1709 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1710 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1712 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1714 let isTwoAddress = 0 in {
1715 let Uses = [CL] in {
1716 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1717 "rol{b}\t{%cl, $dst|$dst, %CL}",
1718 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1719 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1720 "rol{w}\t{%cl, $dst|$dst, %CL}",
1721 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1722 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1723 "rol{l}\t{%cl, $dst|$dst, %CL}",
1724 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1726 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1727 "rol{b}\t{$src, $dst|$dst, $src}",
1728 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1729 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1730 "rol{w}\t{$src, $dst|$dst, $src}",
1731 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1733 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1734 "rol{l}\t{$src, $dst|$dst, $src}",
1735 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1738 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1740 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1741 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1743 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1745 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1747 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1750 let Uses = [CL] in {
1751 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1752 "ror{b}\t{%cl, $dst|$dst, %CL}",
1753 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1754 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1755 "ror{w}\t{%cl, $dst|$dst, %CL}",
1756 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1757 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1758 "ror{l}\t{%cl, $dst|$dst, %CL}",
1759 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1762 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1763 "ror{b}\t{$src2, $dst|$dst, $src2}",
1764 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1765 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1766 "ror{w}\t{$src2, $dst|$dst, $src2}",
1767 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1768 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1769 "ror{l}\t{$src2, $dst|$dst, $src2}",
1770 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1773 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1775 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1776 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1778 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1779 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1781 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1783 let isTwoAddress = 0 in {
1784 let Uses = [CL] in {
1785 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1786 "ror{b}\t{%cl, $dst|$dst, %CL}",
1787 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1788 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1789 "ror{w}\t{%cl, $dst|$dst, %CL}",
1790 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1791 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1792 "ror{l}\t{%cl, $dst|$dst, %CL}",
1793 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1795 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1796 "ror{b}\t{$src, $dst|$dst, $src}",
1797 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1798 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1799 "ror{w}\t{$src, $dst|$dst, $src}",
1800 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1802 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1803 "ror{l}\t{$src, $dst|$dst, $src}",
1804 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1807 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1809 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1810 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1812 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1814 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1816 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1821 // Double shift instructions (generalizations of rotate)
1822 let Uses = [CL] in {
1823 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1824 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1825 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1826 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1827 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1828 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1829 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1830 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1831 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1833 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1834 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1835 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1839 let isCommutable = 1 in { // These instructions commute to each other.
1840 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1841 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1842 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1843 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1846 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1847 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1848 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1849 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1852 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1853 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1854 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1855 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1858 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1859 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1860 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1861 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1866 let isTwoAddress = 0 in {
1867 let Uses = [CL] in {
1868 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1869 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1870 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1872 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1873 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1874 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1877 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1878 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1879 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1880 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1881 (i8 imm:$src3)), addr:$dst)]>,
1883 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1884 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1885 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1886 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1887 (i8 imm:$src3)), addr:$dst)]>,
1890 let Uses = [CL] in {
1891 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1892 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1893 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1894 addr:$dst)]>, TB, OpSize;
1895 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1896 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1897 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1898 addr:$dst)]>, TB, OpSize;
1900 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1901 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1902 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1903 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1904 (i8 imm:$src3)), addr:$dst)]>,
1906 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1907 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1908 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1909 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1910 (i8 imm:$src3)), addr:$dst)]>,
1913 } // Defs = [EFLAGS]
1917 let Defs = [EFLAGS] in {
1918 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1919 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
1920 (ins GR8 :$src1, GR8 :$src2),
1921 "add{b}\t{$src2, $dst|$dst, $src2}",
1922 [(set GR8:$dst, (add GR8:$src1, GR8:$src2))]>;
1923 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1924 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
1925 (ins GR16:$src1, GR16:$src2),
1926 "add{w}\t{$src2, $dst|$dst, $src2}",
1927 [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize;
1928 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
1929 (ins GR32:$src1, GR32:$src2),
1930 "add{l}\t{$src2, $dst|$dst, $src2}",
1931 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
1932 } // end isConvertibleToThreeAddress
1933 } // end isCommutable
1934 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
1935 (ins GR8 :$src1, i8mem :$src2),
1936 "add{b}\t{$src2, $dst|$dst, $src2}",
1937 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>;
1938 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
1939 (ins GR16:$src1, i16mem:$src2),
1940 "add{w}\t{$src2, $dst|$dst, $src2}",
1941 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>,OpSize;
1942 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
1943 (ins GR32:$src1, i32mem:$src2),
1944 "add{l}\t{$src2, $dst|$dst, $src2}",
1945 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>;
1947 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1948 "add{b}\t{$src2, $dst|$dst, $src2}",
1949 [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>;
1951 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1952 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
1953 (ins GR16:$src1, i16imm:$src2),
1954 "add{w}\t{$src2, $dst|$dst, $src2}",
1955 [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize;
1956 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
1957 (ins GR32:$src1, i32imm:$src2),
1958 "add{l}\t{$src2, $dst|$dst, $src2}",
1959 [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
1960 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
1961 (ins GR16:$src1, i16i8imm:$src2),
1962 "add{w}\t{$src2, $dst|$dst, $src2}",
1963 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1964 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
1965 (ins GR32:$src1, i32i8imm:$src2),
1966 "add{l}\t{$src2, $dst|$dst, $src2}",
1967 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
1970 let isTwoAddress = 0 in {
1971 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
1972 "add{b}\t{$src2, $dst|$dst, $src2}",
1973 [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>;
1974 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1975 "add{w}\t{$src2, $dst|$dst, $src2}",
1976 [(store (add (load addr:$dst), GR16:$src2), addr:$dst)]>,
1978 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1979 "add{l}\t{$src2, $dst|$dst, $src2}",
1980 [(store (add (load addr:$dst), GR32:$src2), addr:$dst)]>;
1981 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
1982 "add{b}\t{$src2, $dst|$dst, $src2}",
1983 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1984 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
1985 "add{w}\t{$src2, $dst|$dst, $src2}",
1986 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1988 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
1989 "add{l}\t{$src2, $dst|$dst, $src2}",
1990 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1991 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
1992 "add{w}\t{$src2, $dst|$dst, $src2}",
1993 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1995 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
1996 "add{l}\t{$src2, $dst|$dst, $src2}",
1997 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2000 let Uses = [EFLAGS] in {
2001 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2002 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2003 "adc{l}\t{$src2, $dst|$dst, $src2}",
2004 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2006 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2007 "adc{l}\t{$src2, $dst|$dst, $src2}",
2008 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2009 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2010 "adc{l}\t{$src2, $dst|$dst, $src2}",
2011 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2012 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2013 "adc{l}\t{$src2, $dst|$dst, $src2}",
2014 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2016 let isTwoAddress = 0 in {
2017 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2018 "adc{l}\t{$src2, $dst|$dst, $src2}",
2019 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2020 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2021 "adc{l}\t{$src2, $dst|$dst, $src2}",
2022 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2023 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2024 "adc{l}\t{$src2, $dst|$dst, $src2}",
2025 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2027 } // Uses = [EFLAGS]
2029 def SUB8rr : I<0x28, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2030 "sub{b}\t{$src2, $dst|$dst, $src2}",
2031 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2))]>;
2032 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2033 "sub{w}\t{$src2, $dst|$dst, $src2}",
2034 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2))]>, OpSize;
2035 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2036 "sub{l}\t{$src2, $dst|$dst, $src2}",
2037 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2))]>;
2038 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
2039 "sub{b}\t{$src2, $dst|$dst, $src2}",
2040 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2)))]>;
2041 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2042 "sub{w}\t{$src2, $dst|$dst, $src2}",
2043 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2)))]>, OpSize;
2044 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2045 "sub{l}\t{$src2, $dst|$dst, $src2}",
2046 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2)))]>;
2048 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2049 "sub{b}\t{$src2, $dst|$dst, $src2}",
2050 [(set GR8:$dst, (sub GR8:$src1, imm:$src2))]>;
2051 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2052 "sub{w}\t{$src2, $dst|$dst, $src2}",
2053 [(set GR16:$dst, (sub GR16:$src1, imm:$src2))]>, OpSize;
2054 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2055 "sub{l}\t{$src2, $dst|$dst, $src2}",
2056 [(set GR32:$dst, (sub GR32:$src1, imm:$src2))]>;
2057 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2058 "sub{w}\t{$src2, $dst|$dst, $src2}",
2059 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2))]>,
2061 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2062 "sub{l}\t{$src2, $dst|$dst, $src2}",
2063 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2))]>;
2064 let isTwoAddress = 0 in {
2065 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2066 "sub{b}\t{$src2, $dst|$dst, $src2}",
2067 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst)]>;
2068 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2069 "sub{w}\t{$src2, $dst|$dst, $src2}",
2070 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst)]>,
2072 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2073 "sub{l}\t{$src2, $dst|$dst, $src2}",
2074 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst)]>;
2075 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2076 "sub{b}\t{$src2, $dst|$dst, $src2}",
2077 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2078 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2079 "sub{w}\t{$src2, $dst|$dst, $src2}",
2080 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2082 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2083 "sub{l}\t{$src2, $dst|$dst, $src2}",
2084 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2085 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2086 "sub{w}\t{$src2, $dst|$dst, $src2}",
2087 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2089 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2090 "sub{l}\t{$src2, $dst|$dst, $src2}",
2091 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2094 let Uses = [EFLAGS] in {
2095 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2096 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2097 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2099 let isTwoAddress = 0 in {
2100 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2101 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2102 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2103 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2104 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2105 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2106 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2107 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2108 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2109 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2110 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2111 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2113 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2114 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2115 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2116 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2117 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2118 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2119 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2120 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2121 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2122 } // Uses = [EFLAGS]
2123 } // Defs = [EFLAGS]
2125 let Defs = [EFLAGS] in {
2126 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2127 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2128 "imul{w}\t{$src2, $dst|$dst, $src2}",
2129 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2))]>, TB, OpSize;
2130 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2131 "imul{l}\t{$src2, $dst|$dst, $src2}",
2132 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2))]>, TB;
2134 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2135 "imul{w}\t{$src2, $dst|$dst, $src2}",
2136 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2)))]>,
2138 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2139 "imul{l}\t{$src2, $dst|$dst, $src2}",
2140 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2)))]>, TB;
2141 } // Defs = [EFLAGS]
2142 } // end Two Address instructions
2144 // Suprisingly enough, these are not two address instructions!
2145 let Defs = [EFLAGS] in {
2146 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2147 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2148 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2149 [(set GR16:$dst, (mul GR16:$src1, imm:$src2))]>, OpSize;
2150 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2151 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2152 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2153 [(set GR32:$dst, (mul GR32:$src1, imm:$src2))]>;
2154 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2155 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2156 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2157 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2))]>,
2159 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2160 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2161 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2162 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2))]>;
2164 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2165 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2166 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2167 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2169 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2170 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2171 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2172 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2173 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2174 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2175 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2176 [(set GR16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2178 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2179 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2180 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2181 [(set GR32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2182 } // Defs = [EFLAGS]
2184 //===----------------------------------------------------------------------===//
2185 // Test instructions are just like AND, except they don't generate a result.
2187 let Defs = [EFLAGS] in {
2188 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2189 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2190 "test{b}\t{$src2, $src1|$src1, $src2}",
2191 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2192 (implicit EFLAGS)]>;
2193 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2194 "test{w}\t{$src2, $src1|$src1, $src2}",
2195 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2196 (implicit EFLAGS)]>,
2198 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2199 "test{l}\t{$src2, $src1|$src1, $src2}",
2200 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2201 (implicit EFLAGS)]>;
2204 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2205 "test{b}\t{$src2, $src1|$src1, $src2}",
2206 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2207 (implicit EFLAGS)]>;
2208 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2209 "test{w}\t{$src2, $src1|$src1, $src2}",
2210 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2211 (implicit EFLAGS)]>, OpSize;
2212 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2213 "test{l}\t{$src2, $src1|$src1, $src2}",
2214 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2215 (implicit EFLAGS)]>;
2217 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2218 (outs), (ins GR8:$src1, i8imm:$src2),
2219 "test{b}\t{$src2, $src1|$src1, $src2}",
2220 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2221 (implicit EFLAGS)]>;
2222 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2223 (outs), (ins GR16:$src1, i16imm:$src2),
2224 "test{w}\t{$src2, $src1|$src1, $src2}",
2225 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2226 (implicit EFLAGS)]>, OpSize;
2227 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2228 (outs), (ins GR32:$src1, i32imm:$src2),
2229 "test{l}\t{$src2, $src1|$src1, $src2}",
2230 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2231 (implicit EFLAGS)]>;
2233 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2234 (outs), (ins i8mem:$src1, i8imm:$src2),
2235 "test{b}\t{$src2, $src1|$src1, $src2}",
2236 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2237 (implicit EFLAGS)]>;
2238 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2239 (outs), (ins i16mem:$src1, i16imm:$src2),
2240 "test{w}\t{$src2, $src1|$src1, $src2}",
2241 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2242 (implicit EFLAGS)]>, OpSize;
2243 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2244 (outs), (ins i32mem:$src1, i32imm:$src2),
2245 "test{l}\t{$src2, $src1|$src1, $src2}",
2246 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2247 (implicit EFLAGS)]>;
2248 } // Defs = [EFLAGS]
2251 // Condition code ops, incl. set if equal/not equal/...
2252 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2253 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2254 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2255 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2257 let Uses = [EFLAGS] in {
2258 def SETEr : I<0x94, MRM0r,
2259 (outs GR8 :$dst), (ins),
2261 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2263 def SETEm : I<0x94, MRM0m,
2264 (outs), (ins i8mem:$dst),
2266 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2268 def SETNEr : I<0x95, MRM0r,
2269 (outs GR8 :$dst), (ins),
2271 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2273 def SETNEm : I<0x95, MRM0m,
2274 (outs), (ins i8mem:$dst),
2276 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2278 def SETLr : I<0x9C, MRM0r,
2279 (outs GR8 :$dst), (ins),
2281 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2282 TB; // GR8 = < signed
2283 def SETLm : I<0x9C, MRM0m,
2284 (outs), (ins i8mem:$dst),
2286 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2287 TB; // [mem8] = < signed
2288 def SETGEr : I<0x9D, MRM0r,
2289 (outs GR8 :$dst), (ins),
2291 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2292 TB; // GR8 = >= signed
2293 def SETGEm : I<0x9D, MRM0m,
2294 (outs), (ins i8mem:$dst),
2296 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2297 TB; // [mem8] = >= signed
2298 def SETLEr : I<0x9E, MRM0r,
2299 (outs GR8 :$dst), (ins),
2301 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2302 TB; // GR8 = <= signed
2303 def SETLEm : I<0x9E, MRM0m,
2304 (outs), (ins i8mem:$dst),
2306 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2307 TB; // [mem8] = <= signed
2308 def SETGr : I<0x9F, MRM0r,
2309 (outs GR8 :$dst), (ins),
2311 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2312 TB; // GR8 = > signed
2313 def SETGm : I<0x9F, MRM0m,
2314 (outs), (ins i8mem:$dst),
2316 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2317 TB; // [mem8] = > signed
2319 def SETBr : I<0x92, MRM0r,
2320 (outs GR8 :$dst), (ins),
2322 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2323 TB; // GR8 = < unsign
2324 def SETBm : I<0x92, MRM0m,
2325 (outs), (ins i8mem:$dst),
2327 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2328 TB; // [mem8] = < unsign
2329 def SETAEr : I<0x93, MRM0r,
2330 (outs GR8 :$dst), (ins),
2332 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2333 TB; // GR8 = >= unsign
2334 def SETAEm : I<0x93, MRM0m,
2335 (outs), (ins i8mem:$dst),
2337 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2338 TB; // [mem8] = >= unsign
2339 def SETBEr : I<0x96, MRM0r,
2340 (outs GR8 :$dst), (ins),
2342 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2343 TB; // GR8 = <= unsign
2344 def SETBEm : I<0x96, MRM0m,
2345 (outs), (ins i8mem:$dst),
2347 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2348 TB; // [mem8] = <= unsign
2349 def SETAr : I<0x97, MRM0r,
2350 (outs GR8 :$dst), (ins),
2352 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2353 TB; // GR8 = > signed
2354 def SETAm : I<0x97, MRM0m,
2355 (outs), (ins i8mem:$dst),
2357 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2358 TB; // [mem8] = > signed
2360 def SETSr : I<0x98, MRM0r,
2361 (outs GR8 :$dst), (ins),
2363 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2364 TB; // GR8 = <sign bit>
2365 def SETSm : I<0x98, MRM0m,
2366 (outs), (ins i8mem:$dst),
2368 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2369 TB; // [mem8] = <sign bit>
2370 def SETNSr : I<0x99, MRM0r,
2371 (outs GR8 :$dst), (ins),
2373 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2374 TB; // GR8 = !<sign bit>
2375 def SETNSm : I<0x99, MRM0m,
2376 (outs), (ins i8mem:$dst),
2378 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2379 TB; // [mem8] = !<sign bit>
2380 def SETPr : I<0x9A, MRM0r,
2381 (outs GR8 :$dst), (ins),
2383 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2385 def SETPm : I<0x9A, MRM0m,
2386 (outs), (ins i8mem:$dst),
2388 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2389 TB; // [mem8] = parity
2390 def SETNPr : I<0x9B, MRM0r,
2391 (outs GR8 :$dst), (ins),
2393 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2394 TB; // GR8 = not parity
2395 def SETNPm : I<0x9B, MRM0m,
2396 (outs), (ins i8mem:$dst),
2398 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2399 TB; // [mem8] = not parity
2400 } // Uses = [EFLAGS]
2403 // Integer comparisons
2404 let Defs = [EFLAGS] in {
2405 def CMP8rr : I<0x38, MRMDestReg,
2406 (outs), (ins GR8 :$src1, GR8 :$src2),
2407 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2408 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2409 def CMP16rr : I<0x39, MRMDestReg,
2410 (outs), (ins GR16:$src1, GR16:$src2),
2411 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2412 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2413 def CMP32rr : I<0x39, MRMDestReg,
2414 (outs), (ins GR32:$src1, GR32:$src2),
2415 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2416 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2417 def CMP8mr : I<0x38, MRMDestMem,
2418 (outs), (ins i8mem :$src1, GR8 :$src2),
2419 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2420 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2421 (implicit EFLAGS)]>;
2422 def CMP16mr : I<0x39, MRMDestMem,
2423 (outs), (ins i16mem:$src1, GR16:$src2),
2424 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2425 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2426 (implicit EFLAGS)]>, OpSize;
2427 def CMP32mr : I<0x39, MRMDestMem,
2428 (outs), (ins i32mem:$src1, GR32:$src2),
2429 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2430 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2431 (implicit EFLAGS)]>;
2432 def CMP8rm : I<0x3A, MRMSrcMem,
2433 (outs), (ins GR8 :$src1, i8mem :$src2),
2434 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2435 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2436 (implicit EFLAGS)]>;
2437 def CMP16rm : I<0x3B, MRMSrcMem,
2438 (outs), (ins GR16:$src1, i16mem:$src2),
2439 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2440 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2441 (implicit EFLAGS)]>, OpSize;
2442 def CMP32rm : I<0x3B, MRMSrcMem,
2443 (outs), (ins GR32:$src1, i32mem:$src2),
2444 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2445 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2446 (implicit EFLAGS)]>;
2447 def CMP8ri : Ii8<0x80, MRM7r,
2448 (outs), (ins GR8:$src1, i8imm:$src2),
2449 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2450 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2451 def CMP16ri : Ii16<0x81, MRM7r,
2452 (outs), (ins GR16:$src1, i16imm:$src2),
2453 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2454 [(X86cmp GR16:$src1, imm:$src2),
2455 (implicit EFLAGS)]>, OpSize;
2456 def CMP32ri : Ii32<0x81, MRM7r,
2457 (outs), (ins GR32:$src1, i32imm:$src2),
2458 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2459 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2460 def CMP8mi : Ii8 <0x80, MRM7m,
2461 (outs), (ins i8mem :$src1, i8imm :$src2),
2462 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2463 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2464 (implicit EFLAGS)]>;
2465 def CMP16mi : Ii16<0x81, MRM7m,
2466 (outs), (ins i16mem:$src1, i16imm:$src2),
2467 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2468 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2469 (implicit EFLAGS)]>, OpSize;
2470 def CMP32mi : Ii32<0x81, MRM7m,
2471 (outs), (ins i32mem:$src1, i32imm:$src2),
2472 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2473 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2474 (implicit EFLAGS)]>;
2475 def CMP16ri8 : Ii8<0x83, MRM7r,
2476 (outs), (ins GR16:$src1, i16i8imm:$src2),
2477 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2478 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2479 (implicit EFLAGS)]>, OpSize;
2480 def CMP16mi8 : Ii8<0x83, MRM7m,
2481 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2482 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2483 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2484 (implicit EFLAGS)]>, OpSize;
2485 def CMP32mi8 : Ii8<0x83, MRM7m,
2486 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2487 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2488 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2489 (implicit EFLAGS)]>;
2490 def CMP32ri8 : Ii8<0x83, MRM7r,
2491 (outs), (ins GR32:$src1, i32i8imm:$src2),
2492 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2493 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2494 (implicit EFLAGS)]>;
2495 } // Defs = [EFLAGS]
2497 // Sign/Zero extenders
2498 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2499 // of the register here. This has a smaller encoding and avoids a
2500 // partial-register update.
2501 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2502 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2503 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2504 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2505 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2506 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2507 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2508 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2509 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2510 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2511 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2512 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2513 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2514 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2515 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2516 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2517 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2518 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2520 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2521 // of the register here. This has a smaller encoding and avoids a
2522 // partial-register update.
2523 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2524 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2525 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2526 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2527 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2528 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2529 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2530 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2531 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2532 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2533 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2534 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2535 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2536 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2537 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2538 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2539 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2540 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2542 let neverHasSideEffects = 1 in {
2543 let Defs = [AX], Uses = [AL] in
2544 def CBW : I<0x98, RawFrm, (outs), (ins),
2545 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2546 let Defs = [EAX], Uses = [AX] in
2547 def CWDE : I<0x98, RawFrm, (outs), (ins),
2548 "{cwtl|cwde}", []>; // EAX = signext(AX)
2550 let Defs = [AX,DX], Uses = [AX] in
2551 def CWD : I<0x99, RawFrm, (outs), (ins),
2552 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2553 let Defs = [EAX,EDX], Uses = [EAX] in
2554 def CDQ : I<0x99, RawFrm, (outs), (ins),
2555 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2558 //===----------------------------------------------------------------------===//
2559 // Alias Instructions
2560 //===----------------------------------------------------------------------===//
2562 // Alias instructions that map movr0 to xor.
2563 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2564 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2565 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2566 "xor{b}\t$dst, $dst",
2567 [(set GR8:$dst, 0)]>;
2568 // Use xorl instead of xorw since we don't care about the high 16 bits,
2569 // it's smaller, and it avoids a partial-register update.
2570 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2571 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2572 [(set GR16:$dst, 0)]>;
2573 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2574 "xor{l}\t$dst, $dst",
2575 [(set GR32:$dst, 0)]>;
2578 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2579 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2580 let neverHasSideEffects = 1 in {
2581 def MOV16to16_ : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16:$src),
2582 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2583 def MOV32to32_ : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32:$src),
2584 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2586 def MOV16_rr : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16_:$src),
2587 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2588 def MOV32_rr : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32_:$src),
2589 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2590 } // neverHasSideEffects
2592 let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
2593 def MOV16_rm : I<0x8B, MRMSrcMem, (outs GR16_:$dst), (ins i16mem:$src),
2594 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2595 def MOV32_rm : I<0x8B, MRMSrcMem, (outs GR32_:$dst), (ins i32mem:$src),
2596 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2598 let mayStore = 1, neverHasSideEffects = 1 in {
2599 def MOV16_mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16_:$src),
2600 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2601 def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
2602 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2605 //===----------------------------------------------------------------------===//
2606 // Thread Local Storage Instructions
2610 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2611 "leal\t${sym:mem}(,%ebx,1), $dst",
2612 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2614 let AddedComplexity = 10 in
2615 def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src),
2616 "movl\t%gs:($src), $dst",
2617 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2619 let AddedComplexity = 15 in
2620 def TLS_gs_ri : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
2621 "movl\t%gs:${src:mem}, $dst",
2623 (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>;
2625 def TLS_tp : I<0, Pseudo, (outs GR32:$dst), (ins),
2626 "movl\t%gs:0, $dst",
2627 [(set GR32:$dst, X86TLStp)]>;
2629 //===----------------------------------------------------------------------===//
2630 // DWARF Pseudo Instructions
2633 def DWARF_LOC : I<0, Pseudo, (outs),
2634 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2635 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2636 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2639 //===----------------------------------------------------------------------===//
2640 // EH Pseudo Instructions
2642 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2644 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
2645 "ret\t#eh_return, addr: $addr",
2646 [(X86ehret GR32:$addr)]>;
2650 //===----------------------------------------------------------------------===//
2654 // Atomic swap. These are just normal xchg instructions. But since a memory
2655 // operand is referenced, the atomicity is ensured.
2656 let Constraints = "$val = $dst" in {
2657 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2658 "xchg{l}\t{$val, $ptr|$ptr, $val}",
2659 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
2660 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2661 "xchg{w}\t{$val, $ptr|$ptr, $val}",
2662 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
2664 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2665 "xchg{b}\t{$val, $ptr|$ptr, $val}",
2666 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
2669 // Atomic compare and swap.
2670 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
2671 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
2672 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
2673 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
2675 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
2676 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
2677 "lock\n\tcmpxchg8b\t$ptr",
2678 [(X86cas8 addr:$ptr)]>, TB, LOCK;
2681 let Defs = [AX, EFLAGS], Uses = [AX] in {
2682 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
2683 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
2684 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
2686 let Defs = [AL, EFLAGS], Uses = [AL] in {
2687 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
2688 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
2689 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
2692 // Atomic exchange and add
2693 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
2694 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2695 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
2696 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
2698 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2699 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
2700 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
2702 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2703 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
2704 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
2708 // Atomic exchange, and, or, xor
2709 let Constraints = "$val = $dst", Defs = [EFLAGS],
2710 usesCustomDAGSchedInserter = 1 in {
2711 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2712 "#ATOMAND32 PSUEDO!",
2713 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
2714 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2715 "#ATOMOR32 PSUEDO!",
2716 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
2717 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2718 "#ATOMXOR32 PSUEDO!",
2719 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
2720 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2721 "#ATOMNAND32 PSUEDO!",
2722 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
2723 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2724 "#ATOMMIN32 PSUEDO!",
2725 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
2726 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2727 "#ATOMMAX32 PSUEDO!",
2728 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
2729 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2730 "#ATOMUMIN32 PSUEDO!",
2731 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
2732 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2733 "#ATOMUMAX32 PSUEDO!",
2734 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
2736 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2737 "#ATOMAND16 PSUEDO!",
2738 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
2739 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2740 "#ATOMOR16 PSUEDO!",
2741 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
2742 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2743 "#ATOMXOR16 PSUEDO!",
2744 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
2745 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2746 "#ATOMNAND16 PSUEDO!",
2747 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
2748 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2749 "#ATOMMIN16 PSUEDO!",
2750 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
2751 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2752 "#ATOMMAX16 PSUEDO!",
2753 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
2754 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2755 "#ATOMUMIN16 PSUEDO!",
2756 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
2757 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2758 "#ATOMUMAX16 PSUEDO!",
2759 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
2761 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2762 "#ATOMAND8 PSUEDO!",
2763 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
2764 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2766 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
2767 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2768 "#ATOMXOR8 PSUEDO!",
2769 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
2770 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2771 "#ATOMNAND8 PSUEDO!",
2772 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
2775 let Constraints = "$val1 = $dst1, $val2 = $dst2",
2776 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
2777 Uses = [EAX, EBX, ECX, EDX],
2778 mayLoad = 1, mayStore = 1,
2779 usesCustomDAGSchedInserter = 1 in {
2780 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2781 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2782 "#ATOMAND6432 PSUEDO!", []>;
2783 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2784 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2785 "#ATOMOR6432 PSUEDO!", []>;
2786 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2787 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2788 "#ATOMXOR6432 PSUEDO!", []>;
2789 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2790 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2791 "#ATOMNAND6432 PSUEDO!", []>;
2792 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2793 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2794 "#ATOMADD6432 PSUEDO!", []>;
2795 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2796 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2797 "#ATOMSUB6432 PSUEDO!", []>;
2798 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2799 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2800 "#ATOMSWAP6432 PSUEDO!", []>;
2803 //===----------------------------------------------------------------------===//
2804 // Non-Instruction Patterns
2805 //===----------------------------------------------------------------------===//
2807 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2808 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2809 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2810 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
2811 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2812 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2814 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2815 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2816 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2817 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2818 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2819 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2820 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2821 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2823 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2824 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2825 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2826 (MOV32mi addr:$dst, texternalsym:$src)>;
2830 def : Pat<(X86tailcall GR32:$dst),
2833 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2835 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2838 def : Pat<(X86tcret GR32:$dst, imm:$off),
2839 (TCRETURNri GR32:$dst, imm:$off)>;
2841 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
2842 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2844 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
2845 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2847 def : Pat<(X86call (i32 tglobaladdr:$dst)),
2848 (CALLpcrel32 tglobaladdr:$dst)>;
2849 def : Pat<(X86call (i32 texternalsym:$dst)),
2850 (CALLpcrel32 texternalsym:$dst)>;
2852 // X86 specific add which produces a flag.
2853 def : Pat<(addc GR32:$src1, GR32:$src2),
2854 (ADD32rr GR32:$src1, GR32:$src2)>;
2855 def : Pat<(addc GR32:$src1, (load addr:$src2)),
2856 (ADD32rm GR32:$src1, addr:$src2)>;
2857 def : Pat<(addc GR32:$src1, imm:$src2),
2858 (ADD32ri GR32:$src1, imm:$src2)>;
2859 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
2860 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
2862 def : Pat<(subc GR32:$src1, GR32:$src2),
2863 (SUB32rr GR32:$src1, GR32:$src2)>;
2864 def : Pat<(subc GR32:$src1, (load addr:$src2)),
2865 (SUB32rm GR32:$src1, addr:$src2)>;
2866 def : Pat<(subc GR32:$src1, imm:$src2),
2867 (SUB32ri GR32:$src1, imm:$src2)>;
2868 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
2869 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
2873 // TEST R,R is smaller than CMP R,0
2874 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
2875 (TEST8rr GR8:$src1, GR8:$src1)>;
2876 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
2877 (TEST16rr GR16:$src1, GR16:$src1)>;
2878 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
2879 (TEST32rr GR32:$src1, GR32:$src1)>;
2881 // zextload bool -> zextload byte
2882 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2883 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2884 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2886 // extload bool -> extload byte
2887 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2888 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
2889 Requires<[In32BitMode]>;
2890 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2891 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
2892 Requires<[In32BitMode]>;
2893 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2894 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2897 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
2898 Requires<[In32BitMode]>;
2899 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
2900 Requires<[In32BitMode]>;
2901 def : Pat<(i32 (anyext GR16:$src)),
2902 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
2904 // (and (i32 load), 255) -> (zextload i8)
2905 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
2906 (MOVZX32rm8 addr:$src)>;
2907 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
2908 (MOVZX32rm16 addr:$src)>;
2910 //===----------------------------------------------------------------------===//
2912 //===----------------------------------------------------------------------===//
2914 // Odd encoding trick: -128 fits into an 8-bit immediate field while
2915 // +128 doesn't, so in this special case use a sub instead of an add.
2916 def : Pat<(add GR16:$src1, 128),
2917 (SUB16ri8 GR16:$src1, -128)>;
2918 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
2919 (SUB16mi8 addr:$dst, -128)>;
2920 def : Pat<(add GR32:$src1, 128),
2921 (SUB32ri8 GR32:$src1, -128)>;
2922 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
2923 (SUB32mi8 addr:$dst, -128)>;
2925 // r & (2^16-1) ==> movz
2926 def : Pat<(and GR32:$src1, 0xffff),
2927 (MOVZX32rr16 (i16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit)))>;
2928 // r & (2^8-1) ==> movz
2929 def : Pat<(and GR32:$src1, 0xff),
2930 (MOVZX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src1),
2931 x86_subreg_8bit)))>,
2932 Requires<[In32BitMode]>;
2933 // r & (2^8-1) ==> movz
2934 def : Pat<(and GR16:$src1, 0xff),
2935 (MOVZX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src1),
2936 x86_subreg_8bit)))>,
2937 Requires<[In32BitMode]>;
2939 // sext_inreg patterns
2940 def : Pat<(sext_inreg GR32:$src, i16),
2941 (MOVSX32rr16 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)))>;
2942 def : Pat<(sext_inreg GR32:$src, i8),
2943 (MOVSX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src),
2944 x86_subreg_8bit)))>,
2945 Requires<[In32BitMode]>;
2946 def : Pat<(sext_inreg GR16:$src, i8),
2947 (MOVSX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src),
2948 x86_subreg_8bit)))>,
2949 Requires<[In32BitMode]>;
2952 def : Pat<(i16 (trunc GR32:$src)),
2953 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
2954 def : Pat<(i8 (trunc GR32:$src)),
2955 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>,
2956 Requires<[In32BitMode]>;
2957 def : Pat<(i8 (trunc GR16:$src)),
2958 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src), x86_subreg_8bit))>,
2959 Requires<[In32BitMode]>;
2961 // (shl x, 1) ==> (add x, x)
2962 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
2963 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
2964 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
2966 // (shl x (and y, 31)) ==> (shl x, y)
2967 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
2968 (SHL8rCL GR8:$src1)>;
2969 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
2970 (SHL16rCL GR16:$src1)>;
2971 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
2972 (SHL32rCL GR32:$src1)>;
2973 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
2974 (SHL8mCL addr:$dst)>;
2975 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
2976 (SHL16mCL addr:$dst)>;
2977 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
2978 (SHL32mCL addr:$dst)>;
2980 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
2981 (SHR8rCL GR8:$src1)>;
2982 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
2983 (SHR16rCL GR16:$src1)>;
2984 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
2985 (SHR32rCL GR32:$src1)>;
2986 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
2987 (SHR8mCL addr:$dst)>;
2988 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
2989 (SHR16mCL addr:$dst)>;
2990 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
2991 (SHR32mCL addr:$dst)>;
2993 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
2994 (SAR8rCL GR8:$src1)>;
2995 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
2996 (SAR16rCL GR16:$src1)>;
2997 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
2998 (SAR32rCL GR32:$src1)>;
2999 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3000 (SAR8mCL addr:$dst)>;
3001 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3002 (SAR16mCL addr:$dst)>;
3003 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3004 (SAR32mCL addr:$dst)>;
3006 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3007 def : Pat<(or (srl GR32:$src1, CL:$amt),
3008 (shl GR32:$src2, (sub 32, CL:$amt))),
3009 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3011 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3012 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3013 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3015 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3016 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3017 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3019 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3020 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3022 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3024 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3025 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3027 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3028 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3029 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3031 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3032 def : Pat<(or (shl GR32:$src1, CL:$amt),
3033 (srl GR32:$src2, (sub 32, CL:$amt))),
3034 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3036 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3037 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3038 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3040 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3041 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3042 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3044 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3045 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3047 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3049 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3050 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3052 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3053 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3054 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3056 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3057 def : Pat<(or (srl GR16:$src1, CL:$amt),
3058 (shl GR16:$src2, (sub 16, CL:$amt))),
3059 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3061 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3062 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3063 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3065 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3066 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3067 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3069 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3070 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3072 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3074 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3075 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3077 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3078 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3079 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3081 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3082 def : Pat<(or (shl GR16:$src1, CL:$amt),
3083 (srl GR16:$src2, (sub 16, CL:$amt))),
3084 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3086 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3087 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3088 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3090 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3091 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3092 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3094 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3095 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3097 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3099 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3100 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3102 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3103 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3104 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3106 //===----------------------------------------------------------------------===//
3107 // Floating Point Stack Support
3108 //===----------------------------------------------------------------------===//
3110 include "X86InstrFPStack.td"
3112 //===----------------------------------------------------------------------===//
3114 //===----------------------------------------------------------------------===//
3116 include "X86Instr64bit.td"
3118 //===----------------------------------------------------------------------===//
3119 // XMM Floating point support (requires SSE / SSE2)
3120 //===----------------------------------------------------------------------===//
3122 include "X86InstrSSE.td"
3124 //===----------------------------------------------------------------------===//
3125 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3126 //===----------------------------------------------------------------------===//
3128 include "X86InstrMMX.td"