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 SDTX86Ret : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
40 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
41 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
44 def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
46 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
48 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
50 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
52 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
54 def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
56 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
58 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
60 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
61 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
62 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
63 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
65 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
67 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
68 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
70 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
72 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
73 [SDNPHasChain, SDNPOptInFlag]>;
75 def X86callseq_start :
76 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
77 [SDNPHasChain, SDNPOutFlag]>;
79 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
82 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
83 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
85 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
86 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
88 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
89 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
90 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
91 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
94 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
95 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
97 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
98 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
100 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
101 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
102 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
104 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
107 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
108 [SDNPHasChain, SDNPOptInFlag]>;
110 //===----------------------------------------------------------------------===//
111 // X86 Operand Definitions.
114 // *mem - Operand definitions for the funky X86 addressing mode operands.
116 class X86MemOperand<string printMethod> : Operand<iPTR> {
117 let PrintMethod = printMethod;
118 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
121 def i8mem : X86MemOperand<"printi8mem">;
122 def i16mem : X86MemOperand<"printi16mem">;
123 def i32mem : X86MemOperand<"printi32mem">;
124 def i64mem : X86MemOperand<"printi64mem">;
125 def i128mem : X86MemOperand<"printi128mem">;
126 def f32mem : X86MemOperand<"printf32mem">;
127 def f64mem : X86MemOperand<"printf64mem">;
128 def f80mem : X86MemOperand<"printf80mem">;
129 def f128mem : X86MemOperand<"printf128mem">;
131 def lea32mem : Operand<i32> {
132 let PrintMethod = "printi32mem";
133 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
136 def SSECC : Operand<i8> {
137 let PrintMethod = "printSSECC";
140 def piclabel: Operand<i32> {
141 let PrintMethod = "printPICLabel";
144 // A couple of more descriptive operand definitions.
145 // 16-bits but only 8 bits are significant.
146 def i16i8imm : Operand<i16>;
147 // 32-bits but only 8 bits are significant.
148 def i32i8imm : Operand<i32>;
150 // Branch targets have OtherVT type.
151 def brtarget : Operand<OtherVT>;
153 //===----------------------------------------------------------------------===//
154 // X86 Complex Pattern Definitions.
157 // Define X86 specific addressing mode.
158 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
159 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
160 [add, mul, shl, or, frameindex], []>;
162 //===----------------------------------------------------------------------===//
163 // X86 Instruction Predicate Definitions.
164 def HasMMX : Predicate<"Subtarget->hasMMX()">;
165 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
166 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
167 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
168 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
169 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
170 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
171 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
172 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
173 def HasLow4G : Predicate<"Subtarget->hasLow4GUserSpaceAddress()">;
174 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
175 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
176 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
178 //===----------------------------------------------------------------------===//
179 // X86 Instruction Format Definitions.
182 include "X86InstrFormats.td"
184 //===----------------------------------------------------------------------===//
185 // Pattern fragments...
188 // X86 specific condition code. These correspond to CondCode in
189 // X86InstrInfo.h. They must be kept in synch.
190 def X86_COND_A : PatLeaf<(i8 0)>;
191 def X86_COND_AE : PatLeaf<(i8 1)>;
192 def X86_COND_B : PatLeaf<(i8 2)>;
193 def X86_COND_BE : PatLeaf<(i8 3)>;
194 def X86_COND_E : PatLeaf<(i8 4)>;
195 def X86_COND_G : PatLeaf<(i8 5)>;
196 def X86_COND_GE : PatLeaf<(i8 6)>;
197 def X86_COND_L : PatLeaf<(i8 7)>;
198 def X86_COND_LE : PatLeaf<(i8 8)>;
199 def X86_COND_NE : PatLeaf<(i8 9)>;
200 def X86_COND_NO : PatLeaf<(i8 10)>;
201 def X86_COND_NP : PatLeaf<(i8 11)>;
202 def X86_COND_NS : PatLeaf<(i8 12)>;
203 def X86_COND_O : PatLeaf<(i8 13)>;
204 def X86_COND_P : PatLeaf<(i8 14)>;
205 def X86_COND_S : PatLeaf<(i8 15)>;
207 def i16immSExt8 : PatLeaf<(i16 imm), [{
208 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
209 // sign extended field.
210 return (int16_t)N->getValue() == (int8_t)N->getValue();
213 def i32immSExt8 : PatLeaf<(i32 imm), [{
214 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
215 // sign extended field.
216 return (int32_t)N->getValue() == (int8_t)N->getValue();
219 // Helper fragments for loads.
220 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
221 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
222 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
223 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
225 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
226 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
227 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
229 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextloadi1 node:$ptr))>;
230 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextloadi1 node:$ptr))>;
231 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
232 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
233 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
235 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
236 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
237 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
238 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
239 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
240 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
242 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
243 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
244 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
245 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
246 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
247 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
249 //===----------------------------------------------------------------------===//
250 // Instruction list...
253 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
254 // a stack adjustment and the codegen must know that they may modify the stack
255 // pointer before prolog-epilog rewriting occurs.
256 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become sub / add
257 // which can clobber EFLAGS.
258 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
259 def ADJCALLSTACKDOWN : I<0, Pseudo, (outs), (ins i32imm:$amt),
261 [(X86callseq_start imm:$amt)]>;
262 def ADJCALLSTACKUP : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
264 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
266 let isImplicitDef = 1 in {
267 def IMPLICIT_DEF_GR8 : I<0, Pseudo, (outs GR8:$dst), (ins),
268 "#IMPLICIT_DEF $dst",
269 [(set GR8:$dst, (undef))]>;
270 def IMPLICIT_DEF_GR16 : I<0, Pseudo, (outs GR16:$dst), (ins),
271 "#IMPLICIT_DEF $dst",
272 [(set GR16:$dst, (undef))]>;
273 def IMPLICIT_DEF_GR32 : I<0, Pseudo, (outs GR32:$dst), (ins),
274 "#IMPLICIT_DEF $dst",
275 [(set GR32:$dst, (undef))]>;
279 let neverHasSideEffects = 1 in
280 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
283 let neverHasSideEffects = 1, isNotDuplicable = 1 in
284 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
285 "call\t$label\n\tpop{l}\t$reg", []>;
287 //===----------------------------------------------------------------------===//
288 // Control Flow Instructions...
291 // Return instructions.
292 let isTerminator = 1, isReturn = 1, isBarrier = 1,
294 def RET : I<0xC3, RawFrm, (outs), (ins), "ret", [(X86retflag 0)]>;
295 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt), "ret\t$amt",
296 [(X86retflag imm:$amt)]>;
299 // All branches are RawFrm, Void, Branch, and Terminators
300 let isBranch = 1, isTerminator = 1 in
301 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
302 I<opcode, RawFrm, (outs), ins, asm, pattern>;
304 let isBranch = 1, isBarrier = 1 in
305 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
308 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
309 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
310 [(brind GR32:$dst)]>;
311 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
312 [(brind (loadi32 addr:$dst))]>;
315 // Conditional branches
316 let Uses = [EFLAGS] in {
317 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
318 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
319 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
320 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
321 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
322 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
323 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
324 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
325 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
326 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
327 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
328 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
330 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
331 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
332 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
333 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
334 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
335 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
336 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
337 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
339 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
340 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
341 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
342 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
343 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
344 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
345 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
346 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
347 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
348 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
349 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
350 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
353 //===----------------------------------------------------------------------===//
354 // Call Instructions...
357 // All calls clobber the non-callee saved registers...
358 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
359 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
360 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, EFLAGS] in {
361 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
362 "call\t${dst:call}", []>;
363 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
364 "call\t{*}$dst", [(X86call GR32:$dst)]>;
365 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
366 "call\t{*}$dst", []>;
371 def TAILCALL : I<0, Pseudo, (outs), (ins ),
375 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
376 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset),
377 "#TC_RETURN $dst $offset",
380 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
381 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset),
382 "#TC_RETURN $dst $offset",
385 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
386 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
388 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
389 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
391 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
392 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
393 "jmp\t{*}$dst # TAILCALL", []>;
395 //===----------------------------------------------------------------------===//
396 // Miscellaneous Instructions...
398 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
399 def LEAVE : I<0xC9, RawFrm,
400 (outs), (ins), "leave", []>;
402 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
404 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
407 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
410 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
411 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
412 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
413 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
415 let isTwoAddress = 1 in // GR32 = bswap GR32
416 def BSWAP32r : I<0xC8, AddRegFrm,
417 (outs GR32:$dst), (ins GR32:$src),
419 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
421 // FIXME: Model xchg* as two address instructions?
422 def XCHG8rr : I<0x86, MRMDestReg, // xchg GR8, GR8
423 (outs), (ins GR8:$src1, GR8:$src2),
424 "xchg{b}\t{$src2|$src1}, {$src1|$src2}", []>;
425 def XCHG16rr : I<0x87, MRMDestReg, // xchg GR16, GR16
426 (outs), (ins GR16:$src1, GR16:$src2),
427 "xchg{w}\t{$src2|$src1}, {$src1|$src2}", []>, OpSize;
428 def XCHG32rr : I<0x87, MRMDestReg, // xchg GR32, GR32
429 (outs), (ins GR32:$src1, GR32:$src2),
430 "xchg{l}\t{$src2|$src1}, {$src1|$src2}", []>;
432 def XCHG8mr : I<0x86, MRMDestMem,
433 (outs), (ins i8mem:$src1, GR8:$src2),
434 "xchg{b}\t{$src2|$src1}, {$src1|$src2}", []>;
435 def XCHG16mr : I<0x87, MRMDestMem,
436 (outs), (ins i16mem:$src1, GR16:$src2),
437 "xchg{w}\t{$src2|$src1}, {$src1|$src2}", []>, OpSize;
438 def XCHG32mr : I<0x87, MRMDestMem,
439 (outs), (ins i32mem:$src1, GR32:$src2),
440 "xchg{l}\t{$src2|$src1}, {$src1|$src2}", []>;
441 def XCHG8rm : I<0x86, MRMSrcMem,
442 (outs), (ins GR8:$src1, i8mem:$src2),
443 "xchg{b}\t{$src2|$src1}, {$src1|$src2}", []>;
444 def XCHG16rm : I<0x87, MRMSrcMem,
445 (outs), (ins GR16:$src1, i16mem:$src2),
446 "xchg{w}\t{$src2|$src1}, {$src1|$src2}", []>, OpSize;
447 def XCHG32rm : I<0x87, MRMSrcMem,
448 (outs), (ins GR32:$src1, i32mem:$src2),
449 "xchg{l}\t{$src2|$src1}, {$src1|$src2}", []>;
451 // Bit scan instructions.
452 let Defs = [EFLAGS] in {
453 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
454 "bsf{w}\t{$src, $dst|$dst, $src}",
455 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
456 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
457 "bsf{w}\t{$src, $dst|$dst, $src}",
458 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
459 (implicit EFLAGS)]>, TB;
460 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
461 "bsf{l}\t{$src, $dst|$dst, $src}",
462 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
463 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
464 "bsf{l}\t{$src, $dst|$dst, $src}",
465 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
466 (implicit EFLAGS)]>, TB;
468 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
469 "bsr{w}\t{$src, $dst|$dst, $src}",
470 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
471 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
472 "bsr{w}\t{$src, $dst|$dst, $src}",
473 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
474 (implicit EFLAGS)]>, TB;
475 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
476 "bsr{l}\t{$src, $dst|$dst, $src}",
477 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
478 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
479 "bsr{l}\t{$src, $dst|$dst, $src}",
480 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
481 (implicit EFLAGS)]>, TB;
484 let neverHasSideEffects = 1 in
485 def LEA16r : I<0x8D, MRMSrcMem,
486 (outs GR16:$dst), (ins i32mem:$src),
487 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
488 def LEA32r : I<0x8D, MRMSrcMem,
489 (outs GR32:$dst), (ins lea32mem:$src),
490 "lea{l}\t{$src|$dst}, {$dst|$src}",
491 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
493 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
494 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
495 [(X86rep_movs i8)]>, REP;
496 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
497 [(X86rep_movs i16)]>, REP, OpSize;
498 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
499 [(X86rep_movs i32)]>, REP;
502 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
503 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
504 [(X86rep_stos i8)]>, REP;
505 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
506 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
507 [(X86rep_stos i16)]>, REP, OpSize;
508 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
509 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
510 [(X86rep_stos i32)]>, REP;
512 let Defs = [RAX, RDX] in
513 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
516 //===----------------------------------------------------------------------===//
517 // Input/Output Instructions...
519 let Defs = [AL], Uses = [DX] in
520 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
521 "in{b}\t{%dx, %al|%AL, %DX}", []>;
522 let Defs = [AX], Uses = [DX] in
523 def IN16rr : I<0xED, RawFrm, (outs), (ins),
524 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
525 let Defs = [EAX], Uses = [DX] in
526 def IN32rr : I<0xED, RawFrm, (outs), (ins),
527 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
530 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
531 "in{b}\t{$port, %al|%AL, $port}", []>;
533 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
534 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
536 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
537 "in{l}\t{$port, %eax|%EAX, $port}", []>;
539 let Uses = [DX, AL] in
540 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
541 "out{b}\t{%al, %dx|%DX, %AL}", []>;
542 let Uses = [DX, AX] in
543 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
544 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
545 let Uses = [DX, EAX] in
546 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
547 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
550 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
551 "out{b}\t{%al, $port|$port, %AL}", []>;
553 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
554 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
556 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
557 "out{l}\t{%eax, $port|$port, %EAX}", []>;
559 //===----------------------------------------------------------------------===//
560 // Move Instructions...
562 let neverHasSideEffects = 1 in {
563 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
564 "mov{b}\t{$src, $dst|$dst, $src}", []>;
565 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
566 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
567 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
568 "mov{l}\t{$src, $dst|$dst, $src}", []>;
570 let isReMaterializable = 1 in {
571 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
572 "mov{b}\t{$src, $dst|$dst, $src}",
573 [(set GR8:$dst, imm:$src)]>;
574 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
575 "mov{w}\t{$src, $dst|$dst, $src}",
576 [(set GR16:$dst, imm:$src)]>, OpSize;
577 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
578 "mov{l}\t{$src, $dst|$dst, $src}",
579 [(set GR32:$dst, imm:$src)]>;
581 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
582 "mov{b}\t{$src, $dst|$dst, $src}",
583 [(store (i8 imm:$src), addr:$dst)]>;
584 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
585 "mov{w}\t{$src, $dst|$dst, $src}",
586 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
587 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
588 "mov{l}\t{$src, $dst|$dst, $src}",
589 [(store (i32 imm:$src), addr:$dst)]>;
591 let isSimpleLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
592 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
593 "mov{b}\t{$src, $dst|$dst, $src}",
594 [(set GR8:$dst, (load addr:$src))]>;
595 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
596 "mov{w}\t{$src, $dst|$dst, $src}",
597 [(set GR16:$dst, (load addr:$src))]>, OpSize;
598 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
599 "mov{l}\t{$src, $dst|$dst, $src}",
600 [(set GR32:$dst, (load addr:$src))]>;
603 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
604 "mov{b}\t{$src, $dst|$dst, $src}",
605 [(store GR8:$src, addr:$dst)]>;
606 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
607 "mov{w}\t{$src, $dst|$dst, $src}",
608 [(store GR16:$src, addr:$dst)]>, OpSize;
609 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
610 "mov{l}\t{$src, $dst|$dst, $src}",
611 [(store GR32:$src, addr:$dst)]>;
613 //===----------------------------------------------------------------------===//
614 // Fixed-Register Multiplication and Division Instructions...
617 // Extra precision multiplication
618 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
619 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
620 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
621 // This probably ought to be moved to a def : Pat<> if the
622 // syntax can be accepted.
623 [(set AL, (mul AL, GR8:$src))]>; // AL,AH = AL*GR8
624 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
625 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src), "mul{w}\t$src", []>,
626 OpSize; // AX,DX = AX*GR16
627 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
628 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src), "mul{l}\t$src", []>;
629 // EAX,EDX = EAX*GR32
630 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
631 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
633 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
634 // This probably ought to be moved to a def : Pat<> if the
635 // syntax can be accepted.
636 [(set AL, (mul AL, (loadi8 addr:$src)))]>; // AL,AH = AL*[mem8]
637 let mayLoad = 1, neverHasSideEffects = 1 in {
638 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
639 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
640 "mul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
641 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
642 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
643 "mul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
646 let neverHasSideEffects = 1 in {
647 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
648 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
650 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
651 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
652 OpSize; // AX,DX = AX*GR16
653 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
654 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
655 // EAX,EDX = EAX*GR32
657 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
658 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
659 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
660 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
661 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
662 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
663 let Defs = [EAX,EDX], Uses = [EAX] in
664 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
665 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
668 // unsigned division/remainder
669 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
670 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
672 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
673 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
674 "div{w}\t$src", []>, OpSize;
675 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
676 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
679 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
680 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
682 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
683 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
684 "div{w}\t$src", []>, OpSize;
685 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
686 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
690 // Signed division/remainder.
691 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
692 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
693 "idiv{b}\t$src", []>;
694 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
695 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
696 "idiv{w}\t$src", []>, OpSize;
697 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
698 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
699 "idiv{l}\t$src", []>;
700 let mayLoad = 1, mayLoad = 1 in {
701 let Defs = [AX,EFLAGS], Uses = [AL,AH] in
702 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
703 "idiv{b}\t$src", []>;
704 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
705 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
706 "idiv{w}\t$src", []>, OpSize;
707 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
708 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
709 "idiv{l}\t$src", []>;
711 } // neverHasSideEffects
713 //===----------------------------------------------------------------------===//
714 // Two address Instructions.
716 let isTwoAddress = 1 in {
719 let Uses = [EFLAGS] in {
720 let isCommutable = 1 in {
721 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
722 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
723 "cmovb\t{$src2, $dst|$dst, $src2}",
724 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
725 X86_COND_B, EFLAGS))]>,
727 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
728 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
729 "cmovb\t{$src2, $dst|$dst, $src2}",
730 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
731 X86_COND_B, EFLAGS))]>,
734 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
735 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
736 "cmovae\t{$src2, $dst|$dst, $src2}",
737 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
738 X86_COND_AE, EFLAGS))]>,
740 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
741 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
742 "cmovae\t{$src2, $dst|$dst, $src2}",
743 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
744 X86_COND_AE, EFLAGS))]>,
746 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
747 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
748 "cmove\t{$src2, $dst|$dst, $src2}",
749 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
750 X86_COND_E, EFLAGS))]>,
752 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
753 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
754 "cmove\t{$src2, $dst|$dst, $src2}",
755 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
756 X86_COND_E, EFLAGS))]>,
758 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
759 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
760 "cmovne\t{$src2, $dst|$dst, $src2}",
761 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
762 X86_COND_NE, EFLAGS))]>,
764 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
765 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
766 "cmovne\t{$src2, $dst|$dst, $src2}",
767 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
768 X86_COND_NE, EFLAGS))]>,
770 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
771 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
772 "cmovbe\t{$src2, $dst|$dst, $src2}",
773 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
774 X86_COND_BE, EFLAGS))]>,
776 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
777 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
778 "cmovbe\t{$src2, $dst|$dst, $src2}",
779 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
780 X86_COND_BE, EFLAGS))]>,
782 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
783 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
784 "cmova\t{$src2, $dst|$dst, $src2}",
785 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
786 X86_COND_A, EFLAGS))]>,
788 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
789 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
790 "cmova\t{$src2, $dst|$dst, $src2}",
791 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
792 X86_COND_A, EFLAGS))]>,
794 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
795 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
796 "cmovl\t{$src2, $dst|$dst, $src2}",
797 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
798 X86_COND_L, EFLAGS))]>,
800 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
801 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
802 "cmovl\t{$src2, $dst|$dst, $src2}",
803 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
804 X86_COND_L, EFLAGS))]>,
806 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
807 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
808 "cmovge\t{$src2, $dst|$dst, $src2}",
809 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
810 X86_COND_GE, EFLAGS))]>,
812 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
813 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
814 "cmovge\t{$src2, $dst|$dst, $src2}",
815 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
816 X86_COND_GE, EFLAGS))]>,
818 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
819 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
820 "cmovle\t{$src2, $dst|$dst, $src2}",
821 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
822 X86_COND_LE, EFLAGS))]>,
824 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
825 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
826 "cmovle\t{$src2, $dst|$dst, $src2}",
827 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
828 X86_COND_LE, EFLAGS))]>,
830 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
831 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
832 "cmovg\t{$src2, $dst|$dst, $src2}",
833 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
834 X86_COND_G, EFLAGS))]>,
836 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
837 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
838 "cmovg\t{$src2, $dst|$dst, $src2}",
839 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
840 X86_COND_G, EFLAGS))]>,
842 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
843 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
844 "cmovs\t{$src2, $dst|$dst, $src2}",
845 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
846 X86_COND_S, EFLAGS))]>,
848 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
849 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
850 "cmovs\t{$src2, $dst|$dst, $src2}",
851 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
852 X86_COND_S, EFLAGS))]>,
854 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
855 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
856 "cmovns\t{$src2, $dst|$dst, $src2}",
857 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
858 X86_COND_NS, EFLAGS))]>,
860 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
861 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
862 "cmovns\t{$src2, $dst|$dst, $src2}",
863 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
864 X86_COND_NS, EFLAGS))]>,
866 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
867 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
868 "cmovp\t{$src2, $dst|$dst, $src2}",
869 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
870 X86_COND_P, EFLAGS))]>,
872 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
873 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
874 "cmovp\t{$src2, $dst|$dst, $src2}",
875 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
876 X86_COND_P, EFLAGS))]>,
878 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
879 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
880 "cmovnp\t{$src2, $dst|$dst, $src2}",
881 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
882 X86_COND_NP, EFLAGS))]>,
884 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
885 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
886 "cmovnp\t{$src2, $dst|$dst, $src2}",
887 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
888 X86_COND_NP, EFLAGS))]>,
890 } // isCommutable = 1
892 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
893 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
894 "cmovnp\t{$src2, $dst|$dst, $src2}",
895 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
896 X86_COND_NP, EFLAGS))]>,
899 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
900 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
901 "cmovb\t{$src2, $dst|$dst, $src2}",
902 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
903 X86_COND_B, EFLAGS))]>,
905 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
906 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
907 "cmovb\t{$src2, $dst|$dst, $src2}",
908 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
909 X86_COND_B, EFLAGS))]>,
911 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
912 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
913 "cmovae\t{$src2, $dst|$dst, $src2}",
914 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
915 X86_COND_AE, EFLAGS))]>,
917 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
918 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
919 "cmovae\t{$src2, $dst|$dst, $src2}",
920 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
921 X86_COND_AE, EFLAGS))]>,
923 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
924 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
925 "cmove\t{$src2, $dst|$dst, $src2}",
926 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
927 X86_COND_E, EFLAGS))]>,
929 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
930 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
931 "cmove\t{$src2, $dst|$dst, $src2}",
932 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
933 X86_COND_E, EFLAGS))]>,
935 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
936 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
937 "cmovne\t{$src2, $dst|$dst, $src2}",
938 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
939 X86_COND_NE, EFLAGS))]>,
941 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
942 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
943 "cmovne\t{$src2, $dst|$dst, $src2}",
944 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
945 X86_COND_NE, EFLAGS))]>,
947 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
948 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
949 "cmovbe\t{$src2, $dst|$dst, $src2}",
950 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
951 X86_COND_BE, EFLAGS))]>,
953 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
954 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
955 "cmovbe\t{$src2, $dst|$dst, $src2}",
956 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
957 X86_COND_BE, EFLAGS))]>,
959 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
960 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
961 "cmova\t{$src2, $dst|$dst, $src2}",
962 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
963 X86_COND_A, EFLAGS))]>,
965 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
966 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
967 "cmova\t{$src2, $dst|$dst, $src2}",
968 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
969 X86_COND_A, EFLAGS))]>,
971 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
972 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
973 "cmovl\t{$src2, $dst|$dst, $src2}",
974 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
975 X86_COND_L, EFLAGS))]>,
977 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
978 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
979 "cmovl\t{$src2, $dst|$dst, $src2}",
980 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
981 X86_COND_L, EFLAGS))]>,
983 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
984 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
985 "cmovge\t{$src2, $dst|$dst, $src2}",
986 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
987 X86_COND_GE, EFLAGS))]>,
989 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
990 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
991 "cmovge\t{$src2, $dst|$dst, $src2}",
992 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
993 X86_COND_GE, EFLAGS))]>,
995 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
996 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
997 "cmovle\t{$src2, $dst|$dst, $src2}",
998 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
999 X86_COND_LE, EFLAGS))]>,
1001 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1002 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1003 "cmovle\t{$src2, $dst|$dst, $src2}",
1004 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1005 X86_COND_LE, EFLAGS))]>,
1007 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1008 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1009 "cmovg\t{$src2, $dst|$dst, $src2}",
1010 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1011 X86_COND_G, EFLAGS))]>,
1013 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1014 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1015 "cmovg\t{$src2, $dst|$dst, $src2}",
1016 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1017 X86_COND_G, EFLAGS))]>,
1019 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1020 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1021 "cmovs\t{$src2, $dst|$dst, $src2}",
1022 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1023 X86_COND_S, EFLAGS))]>,
1025 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1026 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1027 "cmovs\t{$src2, $dst|$dst, $src2}",
1028 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1029 X86_COND_S, EFLAGS))]>,
1031 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1032 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1033 "cmovns\t{$src2, $dst|$dst, $src2}",
1034 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1035 X86_COND_NS, EFLAGS))]>,
1037 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1038 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1039 "cmovns\t{$src2, $dst|$dst, $src2}",
1040 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1041 X86_COND_NS, EFLAGS))]>,
1043 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1044 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1045 "cmovp\t{$src2, $dst|$dst, $src2}",
1046 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1047 X86_COND_P, EFLAGS))]>,
1049 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1050 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1051 "cmovp\t{$src2, $dst|$dst, $src2}",
1052 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1053 X86_COND_P, EFLAGS))]>,
1055 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1056 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1057 "cmovnp\t{$src2, $dst|$dst, $src2}",
1058 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1059 X86_COND_NP, EFLAGS))]>,
1061 } // Uses = [EFLAGS]
1064 // unary instructions
1065 let CodeSize = 2 in {
1066 let Defs = [EFLAGS] in {
1067 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1068 [(set GR8:$dst, (ineg GR8:$src))]>;
1069 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1070 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1071 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1072 [(set GR32:$dst, (ineg GR32:$src))]>;
1073 let isTwoAddress = 0 in {
1074 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1075 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1076 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1077 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1078 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1079 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1082 } // Defs = [EFLAGS]
1084 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1085 [(set GR8:$dst, (not GR8:$src))]>;
1086 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1087 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1088 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1089 [(set GR32:$dst, (not GR32:$src))]>;
1090 let isTwoAddress = 0 in {
1091 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1092 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1093 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1094 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1095 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1096 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1100 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1101 let Defs = [EFLAGS] in {
1103 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1104 [(set GR8:$dst, (add GR8:$src, 1))]>;
1105 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1106 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1107 [(set GR16:$dst, (add GR16:$src, 1))]>,
1108 OpSize, Requires<[In32BitMode]>;
1109 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1110 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1112 let isTwoAddress = 0, CodeSize = 2 in {
1113 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1114 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1115 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1116 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>,
1117 OpSize, Requires<[In32BitMode]>;
1118 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1119 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>,
1120 Requires<[In32BitMode]>;
1124 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1125 [(set GR8:$dst, (add GR8:$src, -1))]>;
1126 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1127 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1128 [(set GR16:$dst, (add GR16:$src, -1))]>,
1129 OpSize, Requires<[In32BitMode]>;
1130 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1131 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1134 let isTwoAddress = 0, CodeSize = 2 in {
1135 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1136 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1137 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1138 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>,
1139 OpSize, Requires<[In32BitMode]>;
1140 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1141 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>,
1142 Requires<[In32BitMode]>;
1144 } // Defs = [EFLAGS]
1146 // Logical operators...
1147 let Defs = [EFLAGS] in {
1148 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1149 def AND8rr : I<0x20, MRMDestReg,
1150 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1151 "and{b}\t{$src2, $dst|$dst, $src2}",
1152 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1153 def AND16rr : I<0x21, MRMDestReg,
1154 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1155 "and{w}\t{$src2, $dst|$dst, $src2}",
1156 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1157 def AND32rr : I<0x21, MRMDestReg,
1158 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1159 "and{l}\t{$src2, $dst|$dst, $src2}",
1160 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1163 def AND8rm : I<0x22, MRMSrcMem,
1164 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1165 "and{b}\t{$src2, $dst|$dst, $src2}",
1166 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1167 def AND16rm : I<0x23, MRMSrcMem,
1168 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1169 "and{w}\t{$src2, $dst|$dst, $src2}",
1170 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1171 def AND32rm : I<0x23, MRMSrcMem,
1172 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1173 "and{l}\t{$src2, $dst|$dst, $src2}",
1174 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1176 def AND8ri : Ii8<0x80, MRM4r,
1177 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1178 "and{b}\t{$src2, $dst|$dst, $src2}",
1179 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1180 def AND16ri : Ii16<0x81, MRM4r,
1181 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1182 "and{w}\t{$src2, $dst|$dst, $src2}",
1183 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1184 def AND32ri : Ii32<0x81, MRM4r,
1185 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1186 "and{l}\t{$src2, $dst|$dst, $src2}",
1187 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1188 def AND16ri8 : Ii8<0x83, MRM4r,
1189 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1190 "and{w}\t{$src2, $dst|$dst, $src2}",
1191 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1193 def AND32ri8 : Ii8<0x83, MRM4r,
1194 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1195 "and{l}\t{$src2, $dst|$dst, $src2}",
1196 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1198 let isTwoAddress = 0 in {
1199 def AND8mr : I<0x20, MRMDestMem,
1200 (outs), (ins i8mem :$dst, GR8 :$src),
1201 "and{b}\t{$src, $dst|$dst, $src}",
1202 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1203 def AND16mr : I<0x21, MRMDestMem,
1204 (outs), (ins i16mem:$dst, GR16:$src),
1205 "and{w}\t{$src, $dst|$dst, $src}",
1206 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1208 def AND32mr : I<0x21, MRMDestMem,
1209 (outs), (ins i32mem:$dst, GR32:$src),
1210 "and{l}\t{$src, $dst|$dst, $src}",
1211 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1212 def AND8mi : Ii8<0x80, MRM4m,
1213 (outs), (ins i8mem :$dst, i8imm :$src),
1214 "and{b}\t{$src, $dst|$dst, $src}",
1215 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1216 def AND16mi : Ii16<0x81, MRM4m,
1217 (outs), (ins i16mem:$dst, i16imm:$src),
1218 "and{w}\t{$src, $dst|$dst, $src}",
1219 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1221 def AND32mi : Ii32<0x81, MRM4m,
1222 (outs), (ins i32mem:$dst, i32imm:$src),
1223 "and{l}\t{$src, $dst|$dst, $src}",
1224 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1225 def AND16mi8 : Ii8<0x83, MRM4m,
1226 (outs), (ins i16mem:$dst, i16i8imm :$src),
1227 "and{w}\t{$src, $dst|$dst, $src}",
1228 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1230 def AND32mi8 : Ii8<0x83, MRM4m,
1231 (outs), (ins i32mem:$dst, i32i8imm :$src),
1232 "and{l}\t{$src, $dst|$dst, $src}",
1233 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1237 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1238 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1239 "or{b}\t{$src2, $dst|$dst, $src2}",
1240 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1241 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1242 "or{w}\t{$src2, $dst|$dst, $src2}",
1243 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1244 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1245 "or{l}\t{$src2, $dst|$dst, $src2}",
1246 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1248 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1249 "or{b}\t{$src2, $dst|$dst, $src2}",
1250 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1251 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1252 "or{w}\t{$src2, $dst|$dst, $src2}",
1253 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1254 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1255 "or{l}\t{$src2, $dst|$dst, $src2}",
1256 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1258 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1259 "or{b}\t{$src2, $dst|$dst, $src2}",
1260 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1261 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1262 "or{w}\t{$src2, $dst|$dst, $src2}",
1263 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1264 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1265 "or{l}\t{$src2, $dst|$dst, $src2}",
1266 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1268 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1269 "or{w}\t{$src2, $dst|$dst, $src2}",
1270 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1271 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1272 "or{l}\t{$src2, $dst|$dst, $src2}",
1273 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1274 let isTwoAddress = 0 in {
1275 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1276 "or{b}\t{$src, $dst|$dst, $src}",
1277 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1278 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1279 "or{w}\t{$src, $dst|$dst, $src}",
1280 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1281 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1282 "or{l}\t{$src, $dst|$dst, $src}",
1283 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1284 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1285 "or{b}\t{$src, $dst|$dst, $src}",
1286 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1287 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1288 "or{w}\t{$src, $dst|$dst, $src}",
1289 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1291 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1292 "or{l}\t{$src, $dst|$dst, $src}",
1293 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1294 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1295 "or{w}\t{$src, $dst|$dst, $src}",
1296 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1298 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1299 "or{l}\t{$src, $dst|$dst, $src}",
1300 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1304 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1305 def XOR8rr : I<0x30, MRMDestReg,
1306 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1307 "xor{b}\t{$src2, $dst|$dst, $src2}",
1308 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1309 def XOR16rr : I<0x31, MRMDestReg,
1310 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1311 "xor{w}\t{$src2, $dst|$dst, $src2}",
1312 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1313 def XOR32rr : I<0x31, MRMDestReg,
1314 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1315 "xor{l}\t{$src2, $dst|$dst, $src2}",
1316 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1319 def XOR8rm : I<0x32, MRMSrcMem ,
1320 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1321 "xor{b}\t{$src2, $dst|$dst, $src2}",
1322 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1323 def XOR16rm : I<0x33, MRMSrcMem ,
1324 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1325 "xor{w}\t{$src2, $dst|$dst, $src2}",
1326 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>, OpSize;
1327 def XOR32rm : I<0x33, MRMSrcMem ,
1328 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1329 "xor{l}\t{$src2, $dst|$dst, $src2}",
1330 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1332 def XOR8ri : Ii8<0x80, MRM6r,
1333 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1334 "xor{b}\t{$src2, $dst|$dst, $src2}",
1335 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1336 def XOR16ri : Ii16<0x81, MRM6r,
1337 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1338 "xor{w}\t{$src2, $dst|$dst, $src2}",
1339 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1340 def XOR32ri : Ii32<0x81, MRM6r,
1341 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1342 "xor{l}\t{$src2, $dst|$dst, $src2}",
1343 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1344 def XOR16ri8 : Ii8<0x83, MRM6r,
1345 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1346 "xor{w}\t{$src2, $dst|$dst, $src2}",
1347 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1349 def XOR32ri8 : Ii8<0x83, MRM6r,
1350 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1351 "xor{l}\t{$src2, $dst|$dst, $src2}",
1352 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1353 let isTwoAddress = 0 in {
1354 def XOR8mr : I<0x30, MRMDestMem,
1355 (outs), (ins i8mem :$dst, GR8 :$src),
1356 "xor{b}\t{$src, $dst|$dst, $src}",
1357 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1358 def XOR16mr : I<0x31, MRMDestMem,
1359 (outs), (ins i16mem:$dst, GR16:$src),
1360 "xor{w}\t{$src, $dst|$dst, $src}",
1361 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1363 def XOR32mr : I<0x31, MRMDestMem,
1364 (outs), (ins i32mem:$dst, GR32:$src),
1365 "xor{l}\t{$src, $dst|$dst, $src}",
1366 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1367 def XOR8mi : Ii8<0x80, MRM6m,
1368 (outs), (ins i8mem :$dst, i8imm :$src),
1369 "xor{b}\t{$src, $dst|$dst, $src}",
1370 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1371 def XOR16mi : Ii16<0x81, MRM6m,
1372 (outs), (ins i16mem:$dst, i16imm:$src),
1373 "xor{w}\t{$src, $dst|$dst, $src}",
1374 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1376 def XOR32mi : Ii32<0x81, MRM6m,
1377 (outs), (ins i32mem:$dst, i32imm:$src),
1378 "xor{l}\t{$src, $dst|$dst, $src}",
1379 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1380 def XOR16mi8 : Ii8<0x83, MRM6m,
1381 (outs), (ins i16mem:$dst, i16i8imm :$src),
1382 "xor{w}\t{$src, $dst|$dst, $src}",
1383 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1385 def XOR32mi8 : Ii8<0x83, MRM6m,
1386 (outs), (ins i32mem:$dst, i32i8imm :$src),
1387 "xor{l}\t{$src, $dst|$dst, $src}",
1388 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1390 } // Defs = [EFLAGS]
1392 // Shift instructions
1393 let Defs = [EFLAGS] in {
1394 let Uses = [CL] in {
1395 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1396 "shl{b}\t{%cl, $dst|$dst, %CL}",
1397 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1398 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1399 "shl{w}\t{%cl, $dst|$dst, %CL}",
1400 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1401 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1402 "shl{l}\t{%cl, $dst|$dst, %CL}",
1403 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1406 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1407 "shl{b}\t{$src2, $dst|$dst, $src2}",
1408 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1409 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1410 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1411 "shl{w}\t{$src2, $dst|$dst, $src2}",
1412 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1413 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1414 "shl{l}\t{$src2, $dst|$dst, $src2}",
1415 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1418 // Shift left by one. Not used because (add x, x) is slightly cheaper.
1419 def SHL8r1 : I<0xD0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
1420 "shl{b}\t$dst", []>;
1421 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
1422 "shl{w}\t$dst", []>, OpSize;
1423 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
1424 "shl{l}\t$dst", []>;
1426 let isTwoAddress = 0 in {
1427 let Uses = [CL] in {
1428 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1429 "shl{b}\t{%cl, $dst|$dst, %CL}",
1430 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1431 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1432 "shl{w}\t{%cl, $dst|$dst, %CL}",
1433 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1434 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1435 "shl{l}\t{%cl, $dst|$dst, %CL}",
1436 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1438 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1439 "shl{b}\t{$src, $dst|$dst, $src}",
1440 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1441 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1442 "shl{w}\t{$src, $dst|$dst, $src}",
1443 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1445 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1446 "shl{l}\t{$src, $dst|$dst, $src}",
1447 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1450 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1452 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1453 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1455 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1457 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1459 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1462 let Uses = [CL] in {
1463 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1464 "shr{b}\t{%cl, $dst|$dst, %CL}",
1465 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1466 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1467 "shr{w}\t{%cl, $dst|$dst, %CL}",
1468 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1469 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1470 "shr{l}\t{%cl, $dst|$dst, %CL}",
1471 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1474 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1475 "shr{b}\t{$src2, $dst|$dst, $src2}",
1476 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1477 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1478 "shr{w}\t{$src2, $dst|$dst, $src2}",
1479 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1480 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1481 "shr{l}\t{$src2, $dst|$dst, $src2}",
1482 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1485 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1487 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1488 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1490 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1491 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1493 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1495 let isTwoAddress = 0 in {
1496 let Uses = [CL] in {
1497 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1498 "shr{b}\t{%cl, $dst|$dst, %CL}",
1499 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1500 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1501 "shr{w}\t{%cl, $dst|$dst, %CL}",
1502 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1504 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1505 "shr{l}\t{%cl, $dst|$dst, %CL}",
1506 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1508 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1509 "shr{b}\t{$src, $dst|$dst, $src}",
1510 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1511 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1512 "shr{w}\t{$src, $dst|$dst, $src}",
1513 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1515 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1516 "shr{l}\t{$src, $dst|$dst, $src}",
1517 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1520 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1522 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1523 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1525 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1526 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1528 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1531 let Uses = [CL] in {
1532 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1533 "sar{b}\t{%cl, $dst|$dst, %CL}",
1534 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1535 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1536 "sar{w}\t{%cl, $dst|$dst, %CL}",
1537 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1538 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1539 "sar{l}\t{%cl, $dst|$dst, %CL}",
1540 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1543 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1544 "sar{b}\t{$src2, $dst|$dst, $src2}",
1545 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1546 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1547 "sar{w}\t{$src2, $dst|$dst, $src2}",
1548 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1550 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1551 "sar{l}\t{$src2, $dst|$dst, $src2}",
1552 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1555 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1557 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1558 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1560 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1561 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1563 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1565 let isTwoAddress = 0 in {
1566 let Uses = [CL] in {
1567 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1568 "sar{b}\t{%cl, $dst|$dst, %CL}",
1569 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1570 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1571 "sar{w}\t{%cl, $dst|$dst, %CL}",
1572 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1573 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1574 "sar{l}\t{%cl, $dst|$dst, %CL}",
1575 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1577 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1578 "sar{b}\t{$src, $dst|$dst, $src}",
1579 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1580 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1581 "sar{w}\t{$src, $dst|$dst, $src}",
1582 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1584 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1585 "sar{l}\t{$src, $dst|$dst, $src}",
1586 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1589 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1591 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1592 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1594 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1596 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1598 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1601 // Rotate instructions
1602 // FIXME: provide shorter instructions when imm8 == 1
1603 let Uses = [CL] in {
1604 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1605 "rol{b}\t{%cl, $dst|$dst, %CL}",
1606 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1607 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1608 "rol{w}\t{%cl, $dst|$dst, %CL}",
1609 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1610 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1611 "rol{l}\t{%cl, $dst|$dst, %CL}",
1612 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1615 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1616 "rol{b}\t{$src2, $dst|$dst, $src2}",
1617 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1618 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1619 "rol{w}\t{$src2, $dst|$dst, $src2}",
1620 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1621 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1622 "rol{l}\t{$src2, $dst|$dst, $src2}",
1623 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1626 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1628 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1629 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1631 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1632 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1634 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1636 let isTwoAddress = 0 in {
1637 let Uses = [CL] in {
1638 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1639 "rol{b}\t{%cl, $dst|$dst, %CL}",
1640 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1641 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1642 "rol{w}\t{%cl, $dst|$dst, %CL}",
1643 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1644 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1645 "rol{l}\t{%cl, $dst|$dst, %CL}",
1646 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1648 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1649 "rol{b}\t{$src, $dst|$dst, $src}",
1650 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1651 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1652 "rol{w}\t{$src, $dst|$dst, $src}",
1653 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1655 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1656 "rol{l}\t{$src, $dst|$dst, $src}",
1657 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1660 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1662 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1663 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1665 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1667 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1669 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1672 let Uses = [CL] in {
1673 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1674 "ror{b}\t{%cl, $dst|$dst, %CL}",
1675 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1676 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1677 "ror{w}\t{%cl, $dst|$dst, %CL}",
1678 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1679 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1680 "ror{l}\t{%cl, $dst|$dst, %CL}",
1681 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1684 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1685 "ror{b}\t{$src2, $dst|$dst, $src2}",
1686 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1687 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1688 "ror{w}\t{$src2, $dst|$dst, $src2}",
1689 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1690 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1691 "ror{l}\t{$src2, $dst|$dst, $src2}",
1692 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1695 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1697 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1698 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1700 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1701 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1703 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1705 let isTwoAddress = 0 in {
1706 let Uses = [CL] in {
1707 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1708 "ror{b}\t{%cl, $dst|$dst, %CL}",
1709 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1710 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1711 "ror{w}\t{%cl, $dst|$dst, %CL}",
1712 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1713 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1714 "ror{l}\t{%cl, $dst|$dst, %CL}",
1715 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1717 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1718 "ror{b}\t{$src, $dst|$dst, $src}",
1719 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1720 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1721 "ror{w}\t{$src, $dst|$dst, $src}",
1722 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1724 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1725 "ror{l}\t{$src, $dst|$dst, $src}",
1726 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1729 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1731 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1732 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1734 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1736 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1738 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1743 // Double shift instructions (generalizations of rotate)
1744 let Uses = [CL] in {
1745 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1746 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1747 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1748 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1749 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1750 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1751 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1752 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1753 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1755 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1756 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1757 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1761 let isCommutable = 1 in { // These instructions commute to each other.
1762 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1763 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1764 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1765 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1768 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1769 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1770 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1771 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1774 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1775 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1776 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1777 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1780 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1781 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1782 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1783 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1788 let isTwoAddress = 0 in {
1789 let Uses = [CL] in {
1790 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1791 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1792 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1794 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1795 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1796 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1799 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1800 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1801 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1802 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1803 (i8 imm:$src3)), addr:$dst)]>,
1805 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1806 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1807 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1808 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1809 (i8 imm:$src3)), addr:$dst)]>,
1812 let Uses = [CL] in {
1813 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1814 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1815 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1816 addr:$dst)]>, TB, OpSize;
1817 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1818 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1819 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1820 addr:$dst)]>, TB, OpSize;
1822 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1823 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1824 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1825 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1826 (i8 imm:$src3)), addr:$dst)]>,
1828 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1829 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1830 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1831 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1832 (i8 imm:$src3)), addr:$dst)]>,
1835 } // Defs = [EFLAGS]
1839 let Defs = [EFLAGS] in {
1840 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1841 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
1842 (ins GR8 :$src1, GR8 :$src2),
1843 "add{b}\t{$src2, $dst|$dst, $src2}",
1844 [(set GR8:$dst, (add GR8:$src1, GR8:$src2))]>;
1845 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1846 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
1847 (ins GR16:$src1, GR16:$src2),
1848 "add{w}\t{$src2, $dst|$dst, $src2}",
1849 [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize;
1850 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
1851 (ins GR32:$src1, GR32:$src2),
1852 "add{l}\t{$src2, $dst|$dst, $src2}",
1853 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
1854 } // end isConvertibleToThreeAddress
1855 } // end isCommutable
1856 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
1857 (ins GR8 :$src1, i8mem :$src2),
1858 "add{b}\t{$src2, $dst|$dst, $src2}",
1859 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>;
1860 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
1861 (ins GR16:$src1, i16mem:$src2),
1862 "add{w}\t{$src2, $dst|$dst, $src2}",
1863 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>,OpSize;
1864 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
1865 (ins GR32:$src1, i32mem:$src2),
1866 "add{l}\t{$src2, $dst|$dst, $src2}",
1867 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>;
1869 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1870 "add{b}\t{$src2, $dst|$dst, $src2}",
1871 [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>;
1873 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1874 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
1875 (ins GR16:$src1, i16imm:$src2),
1876 "add{w}\t{$src2, $dst|$dst, $src2}",
1877 [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize;
1878 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
1879 (ins GR32:$src1, i32imm:$src2),
1880 "add{l}\t{$src2, $dst|$dst, $src2}",
1881 [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
1882 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
1883 (ins GR16:$src1, i16i8imm:$src2),
1884 "add{w}\t{$src2, $dst|$dst, $src2}",
1885 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1886 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
1887 (ins GR32:$src1, i32i8imm:$src2),
1888 "add{l}\t{$src2, $dst|$dst, $src2}",
1889 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
1892 let isTwoAddress = 0 in {
1893 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
1894 "add{b}\t{$src2, $dst|$dst, $src2}",
1895 [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>;
1896 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1897 "add{w}\t{$src2, $dst|$dst, $src2}",
1898 [(store (add (load addr:$dst), GR16:$src2), addr:$dst)]>,
1900 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1901 "add{l}\t{$src2, $dst|$dst, $src2}",
1902 [(store (add (load addr:$dst), GR32:$src2), addr:$dst)]>;
1903 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
1904 "add{b}\t{$src2, $dst|$dst, $src2}",
1905 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1906 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
1907 "add{w}\t{$src2, $dst|$dst, $src2}",
1908 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1910 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
1911 "add{l}\t{$src2, $dst|$dst, $src2}",
1912 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1913 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
1914 "add{w}\t{$src2, $dst|$dst, $src2}",
1915 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1917 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
1918 "add{l}\t{$src2, $dst|$dst, $src2}",
1919 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1922 let Uses = [EFLAGS] in {
1923 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1924 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1925 "adc{l}\t{$src2, $dst|$dst, $src2}",
1926 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
1928 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1929 "adc{l}\t{$src2, $dst|$dst, $src2}",
1930 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
1931 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1932 "adc{l}\t{$src2, $dst|$dst, $src2}",
1933 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
1934 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1935 "adc{l}\t{$src2, $dst|$dst, $src2}",
1936 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
1938 let isTwoAddress = 0 in {
1939 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1940 "adc{l}\t{$src2, $dst|$dst, $src2}",
1941 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
1942 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
1943 "adc{l}\t{$src2, $dst|$dst, $src2}",
1944 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1945 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
1946 "adc{l}\t{$src2, $dst|$dst, $src2}",
1947 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1949 } // Uses = [EFLAGS]
1951 def SUB8rr : I<0x28, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1952 "sub{b}\t{$src2, $dst|$dst, $src2}",
1953 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2))]>;
1954 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1955 "sub{w}\t{$src2, $dst|$dst, $src2}",
1956 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2))]>, OpSize;
1957 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1958 "sub{l}\t{$src2, $dst|$dst, $src2}",
1959 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2))]>;
1960 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1961 "sub{b}\t{$src2, $dst|$dst, $src2}",
1962 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2)))]>;
1963 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1964 "sub{w}\t{$src2, $dst|$dst, $src2}",
1965 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2)))]>, OpSize;
1966 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1967 "sub{l}\t{$src2, $dst|$dst, $src2}",
1968 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2)))]>;
1970 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1971 "sub{b}\t{$src2, $dst|$dst, $src2}",
1972 [(set GR8:$dst, (sub GR8:$src1, imm:$src2))]>;
1973 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1974 "sub{w}\t{$src2, $dst|$dst, $src2}",
1975 [(set GR16:$dst, (sub GR16:$src1, imm:$src2))]>, OpSize;
1976 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1977 "sub{l}\t{$src2, $dst|$dst, $src2}",
1978 [(set GR32:$dst, (sub GR32:$src1, imm:$src2))]>;
1979 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1980 "sub{w}\t{$src2, $dst|$dst, $src2}",
1981 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2))]>,
1983 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1984 "sub{l}\t{$src2, $dst|$dst, $src2}",
1985 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2))]>;
1986 let isTwoAddress = 0 in {
1987 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
1988 "sub{b}\t{$src2, $dst|$dst, $src2}",
1989 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst)]>;
1990 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1991 "sub{w}\t{$src2, $dst|$dst, $src2}",
1992 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst)]>,
1994 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1995 "sub{l}\t{$src2, $dst|$dst, $src2}",
1996 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst)]>;
1997 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
1998 "sub{b}\t{$src2, $dst|$dst, $src2}",
1999 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2000 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2001 "sub{w}\t{$src2, $dst|$dst, $src2}",
2002 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2004 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2005 "sub{l}\t{$src2, $dst|$dst, $src2}",
2006 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2007 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2008 "sub{w}\t{$src2, $dst|$dst, $src2}",
2009 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2011 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2012 "sub{l}\t{$src2, $dst|$dst, $src2}",
2013 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2016 let Uses = [EFLAGS] in {
2017 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2018 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2019 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2021 let isTwoAddress = 0 in {
2022 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2023 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2024 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2025 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2026 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2027 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2028 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2029 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2030 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2031 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2032 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2033 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2035 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2036 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2037 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2038 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2039 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2040 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2041 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2042 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2043 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2044 } // Uses = [EFLAGS]
2045 } // Defs = [EFLAGS]
2047 let Defs = [EFLAGS] in {
2048 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2049 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2050 "imul{w}\t{$src2, $dst|$dst, $src2}",
2051 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2))]>, TB, OpSize;
2052 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2053 "imul{l}\t{$src2, $dst|$dst, $src2}",
2054 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2))]>, TB;
2056 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2057 "imul{w}\t{$src2, $dst|$dst, $src2}",
2058 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2)))]>,
2060 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2061 "imul{l}\t{$src2, $dst|$dst, $src2}",
2062 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2)))]>, TB;
2063 } // Defs = [EFLAGS]
2064 } // end Two Address instructions
2066 // Suprisingly enough, these are not two address instructions!
2067 let Defs = [EFLAGS] in {
2068 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2069 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2070 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2071 [(set GR16:$dst, (mul GR16:$src1, imm:$src2))]>, OpSize;
2072 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2073 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2074 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2075 [(set GR32:$dst, (mul GR32:$src1, imm:$src2))]>;
2076 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2077 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2078 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2079 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2))]>,
2081 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2082 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2083 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2084 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2))]>;
2086 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2087 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2088 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2089 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2091 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2092 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2093 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2094 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2095 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2096 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2097 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2098 [(set GR16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2100 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2101 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2102 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2103 [(set GR32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2104 } // Defs = [EFLAGS]
2106 //===----------------------------------------------------------------------===//
2107 // Test instructions are just like AND, except they don't generate a result.
2109 let Defs = [EFLAGS] in {
2110 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2111 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2112 "test{b}\t{$src2, $src1|$src1, $src2}",
2113 [(X86cmp (and GR8:$src1, GR8:$src2), 0),
2114 (implicit EFLAGS)]>;
2115 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2116 "test{w}\t{$src2, $src1|$src1, $src2}",
2117 [(X86cmp (and GR16:$src1, GR16:$src2), 0),
2118 (implicit EFLAGS)]>,
2120 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2121 "test{l}\t{$src2, $src1|$src1, $src2}",
2122 [(X86cmp (and GR32:$src1, GR32:$src2), 0),
2123 (implicit EFLAGS)]>;
2126 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2127 "test{b}\t{$src2, $src1|$src1, $src2}",
2128 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2129 (implicit EFLAGS)]>;
2130 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2131 "test{w}\t{$src2, $src1|$src1, $src2}",
2132 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2133 (implicit EFLAGS)]>, OpSize;
2134 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2135 "test{l}\t{$src2, $src1|$src1, $src2}",
2136 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2137 (implicit EFLAGS)]>;
2139 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2140 (outs), (ins GR8:$src1, i8imm:$src2),
2141 "test{b}\t{$src2, $src1|$src1, $src2}",
2142 [(X86cmp (and GR8:$src1, imm:$src2), 0),
2143 (implicit EFLAGS)]>;
2144 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2145 (outs), (ins GR16:$src1, i16imm:$src2),
2146 "test{w}\t{$src2, $src1|$src1, $src2}",
2147 [(X86cmp (and GR16:$src1, imm:$src2), 0),
2148 (implicit EFLAGS)]>, OpSize;
2149 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2150 (outs), (ins GR32:$src1, i32imm:$src2),
2151 "test{l}\t{$src2, $src1|$src1, $src2}",
2152 [(X86cmp (and GR32:$src1, imm:$src2), 0),
2153 (implicit EFLAGS)]>;
2155 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2156 (outs), (ins i8mem:$src1, i8imm:$src2),
2157 "test{b}\t{$src2, $src1|$src1, $src2}",
2158 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2159 (implicit EFLAGS)]>;
2160 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2161 (outs), (ins i16mem:$src1, i16imm:$src2),
2162 "test{w}\t{$src2, $src1|$src1, $src2}",
2163 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2164 (implicit EFLAGS)]>, OpSize;
2165 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2166 (outs), (ins i32mem:$src1, i32imm:$src2),
2167 "test{l}\t{$src2, $src1|$src1, $src2}",
2168 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2169 (implicit EFLAGS)]>;
2170 } // Defs = [EFLAGS]
2173 // Condition code ops, incl. set if equal/not equal/...
2174 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2175 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2176 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2177 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2179 let Uses = [EFLAGS] in {
2180 def SETEr : I<0x94, MRM0r,
2181 (outs GR8 :$dst), (ins),
2183 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2185 def SETEm : I<0x94, MRM0m,
2186 (outs), (ins i8mem:$dst),
2188 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2190 def SETNEr : I<0x95, MRM0r,
2191 (outs GR8 :$dst), (ins),
2193 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2195 def SETNEm : I<0x95, MRM0m,
2196 (outs), (ins i8mem:$dst),
2198 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2200 def SETLr : I<0x9C, MRM0r,
2201 (outs GR8 :$dst), (ins),
2203 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2204 TB; // GR8 = < signed
2205 def SETLm : I<0x9C, MRM0m,
2206 (outs), (ins i8mem:$dst),
2208 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2209 TB; // [mem8] = < signed
2210 def SETGEr : I<0x9D, MRM0r,
2211 (outs GR8 :$dst), (ins),
2213 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2214 TB; // GR8 = >= signed
2215 def SETGEm : I<0x9D, MRM0m,
2216 (outs), (ins i8mem:$dst),
2218 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2219 TB; // [mem8] = >= signed
2220 def SETLEr : I<0x9E, MRM0r,
2221 (outs GR8 :$dst), (ins),
2223 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2224 TB; // GR8 = <= signed
2225 def SETLEm : I<0x9E, MRM0m,
2226 (outs), (ins i8mem:$dst),
2228 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2229 TB; // [mem8] = <= signed
2230 def SETGr : I<0x9F, MRM0r,
2231 (outs GR8 :$dst), (ins),
2233 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2234 TB; // GR8 = > signed
2235 def SETGm : I<0x9F, MRM0m,
2236 (outs), (ins i8mem:$dst),
2238 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2239 TB; // [mem8] = > signed
2241 def SETBr : I<0x92, MRM0r,
2242 (outs GR8 :$dst), (ins),
2244 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2245 TB; // GR8 = < unsign
2246 def SETBm : I<0x92, MRM0m,
2247 (outs), (ins i8mem:$dst),
2249 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2250 TB; // [mem8] = < unsign
2251 def SETAEr : I<0x93, MRM0r,
2252 (outs GR8 :$dst), (ins),
2254 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2255 TB; // GR8 = >= unsign
2256 def SETAEm : I<0x93, MRM0m,
2257 (outs), (ins i8mem:$dst),
2259 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2260 TB; // [mem8] = >= unsign
2261 def SETBEr : I<0x96, MRM0r,
2262 (outs GR8 :$dst), (ins),
2264 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2265 TB; // GR8 = <= unsign
2266 def SETBEm : I<0x96, MRM0m,
2267 (outs), (ins i8mem:$dst),
2269 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2270 TB; // [mem8] = <= unsign
2271 def SETAr : I<0x97, MRM0r,
2272 (outs GR8 :$dst), (ins),
2274 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2275 TB; // GR8 = > signed
2276 def SETAm : I<0x97, MRM0m,
2277 (outs), (ins i8mem:$dst),
2279 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2280 TB; // [mem8] = > signed
2282 def SETSr : I<0x98, MRM0r,
2283 (outs GR8 :$dst), (ins),
2285 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2286 TB; // GR8 = <sign bit>
2287 def SETSm : I<0x98, MRM0m,
2288 (outs), (ins i8mem:$dst),
2290 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2291 TB; // [mem8] = <sign bit>
2292 def SETNSr : I<0x99, MRM0r,
2293 (outs GR8 :$dst), (ins),
2295 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2296 TB; // GR8 = !<sign bit>
2297 def SETNSm : I<0x99, MRM0m,
2298 (outs), (ins i8mem:$dst),
2300 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2301 TB; // [mem8] = !<sign bit>
2302 def SETPr : I<0x9A, MRM0r,
2303 (outs GR8 :$dst), (ins),
2305 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2307 def SETPm : I<0x9A, MRM0m,
2308 (outs), (ins i8mem:$dst),
2310 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2311 TB; // [mem8] = parity
2312 def SETNPr : I<0x9B, MRM0r,
2313 (outs GR8 :$dst), (ins),
2315 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2316 TB; // GR8 = not parity
2317 def SETNPm : I<0x9B, MRM0m,
2318 (outs), (ins i8mem:$dst),
2320 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2321 TB; // [mem8] = not parity
2322 } // Uses = [EFLAGS]
2325 // Integer comparisons
2326 let Defs = [EFLAGS] in {
2327 def CMP8rr : I<0x38, MRMDestReg,
2328 (outs), (ins GR8 :$src1, GR8 :$src2),
2329 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2330 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2331 def CMP16rr : I<0x39, MRMDestReg,
2332 (outs), (ins GR16:$src1, GR16:$src2),
2333 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2334 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2335 def CMP32rr : I<0x39, MRMDestReg,
2336 (outs), (ins GR32:$src1, GR32:$src2),
2337 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2338 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2339 def CMP8mr : I<0x38, MRMDestMem,
2340 (outs), (ins i8mem :$src1, GR8 :$src2),
2341 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2342 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2343 (implicit EFLAGS)]>;
2344 def CMP16mr : I<0x39, MRMDestMem,
2345 (outs), (ins i16mem:$src1, GR16:$src2),
2346 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2347 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2348 (implicit EFLAGS)]>, OpSize;
2349 def CMP32mr : I<0x39, MRMDestMem,
2350 (outs), (ins i32mem:$src1, GR32:$src2),
2351 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2352 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2353 (implicit EFLAGS)]>;
2354 def CMP8rm : I<0x3A, MRMSrcMem,
2355 (outs), (ins GR8 :$src1, i8mem :$src2),
2356 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2357 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2358 (implicit EFLAGS)]>;
2359 def CMP16rm : I<0x3B, MRMSrcMem,
2360 (outs), (ins GR16:$src1, i16mem:$src2),
2361 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2362 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2363 (implicit EFLAGS)]>, OpSize;
2364 def CMP32rm : I<0x3B, MRMSrcMem,
2365 (outs), (ins GR32:$src1, i32mem:$src2),
2366 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2367 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2368 (implicit EFLAGS)]>;
2369 def CMP8ri : Ii8<0x80, MRM7r,
2370 (outs), (ins GR8:$src1, i8imm:$src2),
2371 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2372 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2373 def CMP16ri : Ii16<0x81, MRM7r,
2374 (outs), (ins GR16:$src1, i16imm:$src2),
2375 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2376 [(X86cmp GR16:$src1, imm:$src2),
2377 (implicit EFLAGS)]>, OpSize;
2378 def CMP32ri : Ii32<0x81, MRM7r,
2379 (outs), (ins GR32:$src1, i32imm:$src2),
2380 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2381 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2382 def CMP8mi : Ii8 <0x80, MRM7m,
2383 (outs), (ins i8mem :$src1, i8imm :$src2),
2384 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2385 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2386 (implicit EFLAGS)]>;
2387 def CMP16mi : Ii16<0x81, MRM7m,
2388 (outs), (ins i16mem:$src1, i16imm:$src2),
2389 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2390 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2391 (implicit EFLAGS)]>, OpSize;
2392 def CMP32mi : Ii32<0x81, MRM7m,
2393 (outs), (ins i32mem:$src1, i32imm:$src2),
2394 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2395 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2396 (implicit EFLAGS)]>;
2397 def CMP16ri8 : Ii8<0x83, MRM7r,
2398 (outs), (ins GR16:$src1, i16i8imm:$src2),
2399 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2400 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2401 (implicit EFLAGS)]>, OpSize;
2402 def CMP16mi8 : Ii8<0x83, MRM7m,
2403 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2404 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2405 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2406 (implicit EFLAGS)]>, OpSize;
2407 def CMP32mi8 : Ii8<0x83, MRM7m,
2408 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2409 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2410 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2411 (implicit EFLAGS)]>;
2412 def CMP32ri8 : Ii8<0x83, MRM7r,
2413 (outs), (ins GR32:$src1, i32i8imm:$src2),
2414 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2415 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2416 (implicit EFLAGS)]>;
2417 } // Defs = [EFLAGS]
2419 // Sign/Zero extenders
2420 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2421 "movs{bw|x}\t{$src, $dst|$dst, $src}",
2422 [(set GR16:$dst, (sext GR8:$src))]>, TB, OpSize;
2423 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2424 "movs{bw|x}\t{$src, $dst|$dst, $src}",
2425 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2426 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2427 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2428 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2429 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2430 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2431 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2432 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2433 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2434 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2435 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2436 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2437 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2439 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2440 "movz{bw|x}\t{$src, $dst|$dst, $src}",
2441 [(set GR16:$dst, (zext GR8:$src))]>, TB, OpSize;
2442 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2443 "movz{bw|x}\t{$src, $dst|$dst, $src}",
2444 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2445 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2446 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2447 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2448 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2449 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2450 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2451 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2452 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2453 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2454 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2455 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2456 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2458 let neverHasSideEffects = 1 in {
2459 let Defs = [AX], Uses = [AL] in
2460 def CBW : I<0x98, RawFrm, (outs), (ins),
2461 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2462 let Defs = [EAX], Uses = [AX] in
2463 def CWDE : I<0x98, RawFrm, (outs), (ins),
2464 "{cwtl|cwde}", []>; // EAX = signext(AX)
2466 let Defs = [AX,DX], Uses = [AX] in
2467 def CWD : I<0x99, RawFrm, (outs), (ins),
2468 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2469 let Defs = [EAX,EDX], Uses = [EAX] in
2470 def CDQ : I<0x99, RawFrm, (outs), (ins),
2471 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2474 //===----------------------------------------------------------------------===//
2475 // Alias Instructions
2476 //===----------------------------------------------------------------------===//
2478 // Alias instructions that map movr0 to xor.
2479 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2480 let Defs = [EFLAGS], isReMaterializable = 1 in {
2481 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2482 "xor{b}\t$dst, $dst",
2483 [(set GR8:$dst, 0)]>;
2484 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2485 "xor{w}\t$dst, $dst",
2486 [(set GR16:$dst, 0)]>, OpSize;
2487 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2488 "xor{l}\t$dst, $dst",
2489 [(set GR32:$dst, 0)]>;
2492 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2493 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2494 let neverHasSideEffects = 1 in {
2495 def MOV16to16_ : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16:$src),
2496 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2497 def MOV32to32_ : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32:$src),
2498 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2500 def MOV16_rr : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16_:$src),
2501 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2502 def MOV32_rr : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32_:$src),
2503 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2504 } // neverHasSideEffects
2506 let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
2507 def MOV16_rm : I<0x8B, MRMSrcMem, (outs GR16_:$dst), (ins i16mem:$src),
2508 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2509 def MOV32_rm : I<0x8B, MRMSrcMem, (outs GR32_:$dst), (ins i32mem:$src),
2510 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2512 let mayStore = 1, neverHasSideEffects = 1 in {
2513 def MOV16_mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16_:$src),
2514 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2515 def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
2516 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2519 //===----------------------------------------------------------------------===//
2520 // Thread Local Storage Instructions
2524 def TLS_addr : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2525 "leal\t${sym:mem}(,%ebx,1), $dst",
2526 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2528 let AddedComplexity = 10 in
2529 def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src),
2530 "movl\t%gs:($src), $dst",
2531 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2533 let AddedComplexity = 15 in
2534 def TLS_gs_ri : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
2535 "movl\t%gs:${src:mem}, $dst",
2537 (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>;
2539 def TLS_tp : I<0, Pseudo, (outs GR32:$dst), (ins),
2540 "movl\t%gs:0, $dst",
2541 [(set GR32:$dst, X86TLStp)]>;
2543 //===----------------------------------------------------------------------===//
2544 // DWARF Pseudo Instructions
2547 def DWARF_LOC : I<0, Pseudo, (outs),
2548 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2549 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2550 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2553 //===----------------------------------------------------------------------===//
2554 // EH Pseudo Instructions
2556 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2558 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
2559 "ret\t#eh_return, addr: $addr",
2560 [(X86ehret GR32:$addr)]>;
2564 //===----------------------------------------------------------------------===//
2565 // Non-Instruction Patterns
2566 //===----------------------------------------------------------------------===//
2568 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2569 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2570 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2571 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)), (MOV32ri tglobaltlsaddr:$dst)>;
2572 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2573 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2575 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2576 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2577 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2578 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2579 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2580 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2581 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2582 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2584 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2585 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2586 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2587 (MOV32mi addr:$dst, texternalsym:$src)>;
2591 def : Pat<(X86tailcall GR32:$dst),
2594 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2596 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2599 def : Pat<(X86tcret GR32:$dst, imm:$off),
2600 (TCRETURNri GR32:$dst, imm:$off)>;
2602 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
2603 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2605 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
2606 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2608 def : Pat<(X86call (i32 tglobaladdr:$dst)),
2609 (CALLpcrel32 tglobaladdr:$dst)>;
2610 def : Pat<(X86call (i32 texternalsym:$dst)),
2611 (CALLpcrel32 texternalsym:$dst)>;
2613 // X86 specific add which produces a flag.
2614 def : Pat<(addc GR32:$src1, GR32:$src2),
2615 (ADD32rr GR32:$src1, GR32:$src2)>;
2616 def : Pat<(addc GR32:$src1, (load addr:$src2)),
2617 (ADD32rm GR32:$src1, addr:$src2)>;
2618 def : Pat<(addc GR32:$src1, imm:$src2),
2619 (ADD32ri GR32:$src1, imm:$src2)>;
2620 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
2621 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
2623 def : Pat<(subc GR32:$src1, GR32:$src2),
2624 (SUB32rr GR32:$src1, GR32:$src2)>;
2625 def : Pat<(subc GR32:$src1, (load addr:$src2)),
2626 (SUB32rm GR32:$src1, addr:$src2)>;
2627 def : Pat<(subc GR32:$src1, imm:$src2),
2628 (SUB32ri GR32:$src1, imm:$src2)>;
2629 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
2630 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
2632 def : Pat<(truncstorei1 (i8 imm:$src), addr:$dst),
2633 (MOV8mi addr:$dst, imm:$src)>;
2634 def : Pat<(truncstorei1 GR8:$src, addr:$dst),
2635 (MOV8mr addr:$dst, GR8:$src)>;
2639 // TEST R,R is smaller than CMP R,0
2640 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
2641 (TEST8rr GR8:$src1, GR8:$src1)>;
2642 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
2643 (TEST16rr GR16:$src1, GR16:$src1)>;
2644 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
2645 (TEST32rr GR32:$src1, GR32:$src1)>;
2647 // {s|z}extload bool -> {s|z}extload byte
2648 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2649 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2650 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2651 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2652 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2654 // extload bool -> extload byte
2655 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2656 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2657 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2658 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
2659 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
2660 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
2663 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
2664 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
2665 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
2666 def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
2667 def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
2668 def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
2670 // (and (i32 load), 255) -> (zextload i8)
2671 def : Pat<(i32 (and (loadi32 addr:$src), (i32 255))), (MOVZX32rm8 addr:$src)>;
2672 def : Pat<(i32 (and (loadi32 addr:$src), (i32 65535))),(MOVZX32rm16 addr:$src)>;
2674 //===----------------------------------------------------------------------===//
2676 //===----------------------------------------------------------------------===//
2678 // (shl x, 1) ==> (add x, x)
2679 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
2680 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
2681 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
2683 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2684 def : Pat<(or (srl GR32:$src1, CL:$amt),
2685 (shl GR32:$src2, (sub 32, CL:$amt))),
2686 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
2688 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2689 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2690 (SHRD32mrCL addr:$dst, GR32:$src2)>;
2692 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2693 def : Pat<(or (shl GR32:$src1, CL:$amt),
2694 (srl GR32:$src2, (sub 32, CL:$amt))),
2695 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
2697 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2698 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
2699 (SHLD32mrCL addr:$dst, GR32:$src2)>;
2701 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2702 def : Pat<(or (srl GR16:$src1, CL:$amt),
2703 (shl GR16:$src2, (sub 16, CL:$amt))),
2704 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
2706 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2707 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2708 (SHRD16mrCL addr:$dst, GR16:$src2)>;
2710 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2711 def : Pat<(or (shl GR16:$src1, CL:$amt),
2712 (srl GR16:$src2, (sub 16, CL:$amt))),
2713 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
2715 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2716 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
2717 (SHLD16mrCL addr:$dst, GR16:$src2)>;
2720 //===----------------------------------------------------------------------===//
2721 // Floating Point Stack Support
2722 //===----------------------------------------------------------------------===//
2724 include "X86InstrFPStack.td"
2726 //===----------------------------------------------------------------------===//
2728 //===----------------------------------------------------------------------===//
2730 include "X86Instr64bit.td"
2732 //===----------------------------------------------------------------------===//
2733 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2734 //===----------------------------------------------------------------------===//
2736 include "X86InstrMMX.td"
2738 //===----------------------------------------------------------------------===//
2739 // XMM Floating point support (requires SSE / SSE2)
2740 //===----------------------------------------------------------------------===//
2742 include "X86InstrSSE.td"