1 //===- X86InstrInfo.td - Describe the X86 Instruction Set -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source 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<1, 2, [SDTCisVT<0, FlagVT>, SDTCisSameAs<1, 2>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, FlagVT>]>;
30 def SDTX86BrCond : SDTypeProfile<0, 3,
31 [SDTCisVT<0, OtherVT>,
32 SDTCisVT<1, i8>, SDTCisVT<2, FlagVT>]>;
34 def SDTX86SetCC : SDTypeProfile<1, 2,
35 [SDTCisVT<0, i8>, SDTCisVT<1, i8>,
36 SDTCisVT<2, FlagVT>]>;
38 def SDTX86Ret : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
40 def SDT_X86CallSeqStart : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
41 def SDT_X86CallSeqEnd : SDTypeProfile<0, 2, [ SDTCisVT<0, i32>,
44 def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
46 def SDTX86FpGet : SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>;
47 def SDTX86FpSet : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
49 def SDTX86Fld : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
50 SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>]>;
51 def SDTX86Fst : SDTypeProfile<0, 3, [SDTCisFP<0>,
52 SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>]>;
53 def SDTX86Fild : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisPtrTy<1>,
54 SDTCisVT<2, OtherVT>]>;
55 def SDTX86FpToIMem: SDTypeProfile<0, 2, [SDTCisFP<0>, SDTCisPtrTy<1>]>;
57 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
59 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
61 def X86addflag : SDNode<"X86ISD::ADD_FLAG", SDTIntBinOp ,
62 [SDNPCommutative, SDNPAssociative, SDNPOutFlag]>;
63 def X86subflag : SDNode<"X86ISD::SUB_FLAG", SDTIntBinOp,
65 def X86adc : SDNode<"X86ISD::ADC" , SDTIntBinOp ,
66 [SDNPCommutative, SDNPAssociative]>;
67 def X86sbb : SDNode<"X86ISD::SBB" , SDTIntBinOp>;
69 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
70 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
72 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest, []>;
73 def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest, []>;
75 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
77 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
79 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
82 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
83 [SDNPHasChain, SDNPOptInFlag]>;
85 def X86callseq_start :
86 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
89 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
92 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
93 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
95 def X86fpget : SDNode<"X86ISD::FP_GET_RESULT", SDTX86FpGet,
96 [SDNPHasChain, SDNPInFlag]>;
97 def X86fpset : SDNode<"X86ISD::FP_SET_RESULT", SDTX86FpSet,
98 [SDNPHasChain, SDNPOutFlag]>;
100 def X86fld : SDNode<"X86ISD::FLD", SDTX86Fld,
102 def X86fst : SDNode<"X86ISD::FST", SDTX86Fst,
104 def X86fild : SDNode<"X86ISD::FILD", SDTX86Fild,
106 def X86fp_to_i16mem : SDNode<"X86ISD::FP_TO_INT16_IN_MEM", SDTX86FpToIMem,
108 def X86fp_to_i32mem : SDNode<"X86ISD::FP_TO_INT32_IN_MEM", SDTX86FpToIMem,
110 def X86fp_to_i64mem : SDNode<"X86ISD::FP_TO_INT64_IN_MEM", SDTX86FpToIMem,
113 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
114 [SDNPHasChain, SDNPInFlag]>;
115 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
116 [SDNPHasChain, SDNPInFlag]>;
118 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
119 [SDNPHasChain, SDNPOutFlag]>;
121 //===----------------------------------------------------------------------===//
122 // X86 Operand Definitions.
125 // *mem - Operand definitions for the funky X86 addressing mode operands.
127 class X86MemOperand<string printMethod> : Operand<i32> {
128 let PrintMethod = printMethod;
129 let NumMIOperands = 4;
130 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
133 def i8mem : X86MemOperand<"printi8mem">;
134 def i16mem : X86MemOperand<"printi16mem">;
135 def i32mem : X86MemOperand<"printi32mem">;
136 def i64mem : X86MemOperand<"printi64mem">;
137 def f32mem : X86MemOperand<"printf32mem">;
138 def f64mem : X86MemOperand<"printf64mem">;
139 def f80mem : X86MemOperand<"printf80mem">;
141 def SSECC : Operand<i8> {
142 let PrintMethod = "printSSECC";
145 // A couple of more descriptive operand definitions.
146 // 16-bits but only 8 bits are significant.
147 def i16i8imm : Operand<i16>;
148 // 32-bits but only 8 bits are significant.
149 def i32i8imm : Operand<i32>;
151 // PCRelative calls need special operand formatting.
152 let PrintMethod = "printCallOperand" in
153 def calltarget : Operand<i32>;
155 // Branch targets have OtherVT type.
156 def brtarget : Operand<OtherVT>;
158 //===----------------------------------------------------------------------===//
159 // X86 Complex Pattern Definitions.
162 // Define X86 specific addressing mode.
163 def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
164 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
165 [add, frameindex, constpool]>;
167 //===----------------------------------------------------------------------===//
168 // X86 Instruction Format Definitions.
171 // Format specifies the encoding used by the instruction. This is part of the
172 // ad-hoc solution used to emit machine instruction encodings by our machine
174 class Format<bits<5> val> {
178 def Pseudo : Format<0>; def RawFrm : Format<1>;
179 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
180 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
181 def MRMSrcMem : Format<6>;
182 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
183 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
184 def MRM6r : Format<22>; def MRM7r : Format<23>;
185 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
186 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
187 def MRM6m : Format<30>; def MRM7m : Format<31>;
189 //===----------------------------------------------------------------------===//
190 // X86 Instruction Predicate Definitions.
191 def HasSSE1 : Predicate<"X86Vector >= SSE">;
192 def HasSSE2 : Predicate<"X86Vector >= SSE2">;
193 def HasSSE3 : Predicate<"X86Vector >= SSE3">;
194 def FPStack : Predicate<"X86Vector < SSE2">;
196 //===----------------------------------------------------------------------===//
197 // X86 specific pattern fragments.
200 // ImmType - This specifies the immediate type used by an instruction. This is
201 // part of the ad-hoc solution used to emit machine instruction encodings by our
202 // machine code emitter.
203 class ImmType<bits<2> val> {
206 def NoImm : ImmType<0>;
207 def Imm8 : ImmType<1>;
208 def Imm16 : ImmType<2>;
209 def Imm32 : ImmType<3>;
211 // FPFormat - This specifies what form this FP instruction has. This is used by
212 // the Floating-Point stackifier pass.
213 class FPFormat<bits<3> val> {
216 def NotFP : FPFormat<0>;
217 def ZeroArgFP : FPFormat<1>;
218 def OneArgFP : FPFormat<2>;
219 def OneArgFPRW : FPFormat<3>;
220 def TwoArgFP : FPFormat<4>;
221 def CompareFP : FPFormat<5>;
222 def CondMovFP : FPFormat<6>;
223 def SpecialFP : FPFormat<7>;
226 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
228 let Namespace = "X86";
230 bits<8> Opcode = opcod;
232 bits<5> FormBits = Form.Value;
234 bits<2> ImmTypeBits = ImmT.Value;
236 dag OperandList = ops;
237 string AsmString = AsmStr;
240 // Attributes specific to X86 instructions...
242 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
244 bits<4> Prefix = 0; // Which prefix byte does this inst have?
245 FPFormat FPForm; // What flavor of FP instruction is this?
246 bits<3> FPFormBits = 0;
249 class Imp<list<Register> uses, list<Register> defs> {
250 list<Register> Uses = uses;
251 list<Register> Defs = defs;
255 // Prefix byte classes which are used to indicate to the ad-hoc machine code
256 // emitter that various prefix bytes are required.
257 class OpSize { bit hasOpSizePrefix = 1; }
258 class TB { bits<4> Prefix = 1; }
259 class REP { bits<4> Prefix = 2; }
260 class D8 { bits<4> Prefix = 3; }
261 class D9 { bits<4> Prefix = 4; }
262 class DA { bits<4> Prefix = 5; }
263 class DB { bits<4> Prefix = 6; }
264 class DC { bits<4> Prefix = 7; }
265 class DD { bits<4> Prefix = 8; }
266 class DE { bits<4> Prefix = 9; }
267 class DF { bits<4> Prefix = 10; }
268 class XD { bits<4> Prefix = 11; }
269 class XS { bits<4> Prefix = 12; }
272 //===----------------------------------------------------------------------===//
273 // Pattern fragments...
276 // X86 specific condition code. These correspond to CondCode in
277 // X86ISelLowering.h. They must be kept in synch.
278 def X86_COND_A : PatLeaf<(i8 0)>;
279 def X86_COND_AE : PatLeaf<(i8 1)>;
280 def X86_COND_B : PatLeaf<(i8 2)>;
281 def X86_COND_BE : PatLeaf<(i8 3)>;
282 def X86_COND_E : PatLeaf<(i8 4)>;
283 def X86_COND_G : PatLeaf<(i8 5)>;
284 def X86_COND_GE : PatLeaf<(i8 6)>;
285 def X86_COND_L : PatLeaf<(i8 7)>;
286 def X86_COND_LE : PatLeaf<(i8 8)>;
287 def X86_COND_NE : PatLeaf<(i8 9)>;
288 def X86_COND_NO : PatLeaf<(i8 10)>;
289 def X86_COND_NP : PatLeaf<(i8 11)>;
290 def X86_COND_NS : PatLeaf<(i8 12)>;
291 def X86_COND_O : PatLeaf<(i8 13)>;
292 def X86_COND_P : PatLeaf<(i8 14)>;
293 def X86_COND_S : PatLeaf<(i8 15)>;
295 def i16immSExt8 : PatLeaf<(i16 imm), [{
296 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
297 // sign extended field.
298 return (int)N->getValue() == (signed char)N->getValue();
301 def i32immSExt8 : PatLeaf<(i32 imm), [{
302 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
303 // sign extended field.
304 return (int)N->getValue() == (signed char)N->getValue();
307 def i16immZExt8 : PatLeaf<(i16 imm), [{
308 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
310 return (unsigned)N->getValue() == (unsigned char)N->getValue();
313 def fp32imm0 : PatLeaf<(f32 fpimm), [{
314 return N->isExactlyValue(+0.0);
317 def fp64imm0 : PatLeaf<(f64 fpimm), [{
318 return N->isExactlyValue(+0.0);
321 def fp64immneg0 : PatLeaf<(f64 fpimm), [{
322 return N->isExactlyValue(-0.0);
325 def fp64imm1 : PatLeaf<(f64 fpimm), [{
326 return N->isExactlyValue(+1.0);
329 def fp64immneg1 : PatLeaf<(f64 fpimm), [{
330 return N->isExactlyValue(-1.0);
333 // Helper fragments for loads.
334 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
335 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
336 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
337 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
338 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
340 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
341 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
342 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
343 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
344 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
346 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
347 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
348 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
349 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
350 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
352 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
353 def extloadf64f32 : PatFrag<(ops node:$ptr), (f64 (extload node:$ptr, f32))>;
355 //===----------------------------------------------------------------------===//
356 // Instruction templates...
358 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
359 : X86Inst<o, f, NoImm, ops, asm> {
360 let Pattern = pattern;
362 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
363 : X86Inst<o, f, Imm8 , ops, asm> {
364 let Pattern = pattern;
366 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
367 : X86Inst<o, f, Imm16, ops, asm> {
368 let Pattern = pattern;
370 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
371 : X86Inst<o, f, Imm32, ops, asm> {
372 let Pattern = pattern;
375 //===----------------------------------------------------------------------===//
376 // Instruction list...
379 // Pseudo-instructions:
380 def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE", []>; // PHI node.
382 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
383 [(X86callseq_start imm:$amt)]>;
384 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
386 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
387 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
388 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
389 def IMPLICIT_DEF_R8 : I<0, Pseudo, (ops R8:$dst),
390 "#IMPLICIT_DEF $dst",
391 [(set R8:$dst, (undef))]>;
392 def IMPLICIT_DEF_R16 : I<0, Pseudo, (ops R16:$dst),
393 "#IMPLICIT_DEF $dst",
394 [(set R16:$dst, (undef))]>;
395 def IMPLICIT_DEF_R32 : I<0, Pseudo, (ops R32:$dst),
396 "#IMPLICIT_DEF $dst",
397 [(set R32:$dst, (undef))]>;
398 def IMPLICIT_DEF_FR32 : I<0, Pseudo, (ops FR32:$dst),
399 "#IMPLICIT_DEF $dst",
400 [(set FR32:$dst, (undef))]>, Requires<[HasSSE2]>;
401 def IMPLICIT_DEF_FR64 : I<0, Pseudo, (ops FR64:$dst),
402 "#IMPLICIT_DEF $dst",
403 [(set FR64:$dst, (undef))]>, Requires<[HasSSE2]>;
406 // CMOV* - Used to implement the SSE SELECT DAG operation. Expanded by the
407 // scheduler into a branch sequence.
408 let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler.
409 def CMOV_FR32 : I<0, Pseudo,
410 (ops FR32:$dst, FR32:$t, FR32:$f, i8imm:$cond),
411 "#CMOV_FR32 PSEUDO!",
412 [(set FR32:$dst, (X86cmov FR32:$t, FR32:$f, imm:$cond,
414 def CMOV_FR64 : I<0, Pseudo,
415 (ops FR64:$dst, FR64:$t, FR64:$f, i8imm:$cond),
416 "#CMOV_FR64 PSEUDO!",
417 [(set FR64:$dst, (X86cmov FR64:$t, FR64:$f, imm:$cond,
421 let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler.
422 def FP_TO_INT16_IN_MEM : I<0, Pseudo,
423 (ops i16mem:$dst, RFP:$src),
424 "#FP_TO_INT16_IN_MEM PSEUDO!",
425 [(X86fp_to_i16mem RFP:$src, addr:$dst)]>;
426 def FP_TO_INT32_IN_MEM : I<0, Pseudo,
427 (ops i32mem:$dst, RFP:$src),
428 "#FP_TO_INT32_IN_MEM PSEUDO!",
429 [(X86fp_to_i32mem RFP:$src, addr:$dst)]>;
430 def FP_TO_INT64_IN_MEM : I<0, Pseudo,
431 (ops i64mem:$dst, RFP:$src),
432 "#FP_TO_INT64_IN_MEM PSEUDO!",
433 [(X86fp_to_i64mem RFP:$src, addr:$dst)]>;
437 let isTerminator = 1 in
438 let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
439 def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL", []>;
443 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
445 //===----------------------------------------------------------------------===//
446 // Control Flow Instructions...
449 // Return instructions.
450 let isTerminator = 1, isReturn = 1, isBarrier = 1,
451 hasCtrlDep = 1, noResults = 1 in {
452 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
453 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
454 [(X86retflag imm:$amt)]>;
457 // All branches are RawFrm, Void, Branch, and Terminators
458 let isBranch = 1, isTerminator = 1, noResults = 1 in
459 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
460 I<opcode, RawFrm, ops, asm, pattern>;
462 // Conditional branches
464 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
466 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
467 [(X86brcond bb:$dst, X86_COND_E, STATUS)]>, Imp<[STATUS],[]>, TB;
468 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
469 [(X86brcond bb:$dst, X86_COND_NE, STATUS)]>, Imp<[STATUS],[]>, TB;
470 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
471 [(X86brcond bb:$dst, X86_COND_L, STATUS)]>, Imp<[STATUS],[]>, TB;
472 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
473 [(X86brcond bb:$dst, X86_COND_LE, STATUS)]>, Imp<[STATUS],[]>, TB;
474 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
475 [(X86brcond bb:$dst, X86_COND_G, STATUS)]>, Imp<[STATUS],[]>, TB;
476 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
477 [(X86brcond bb:$dst, X86_COND_GE, STATUS)]>, Imp<[STATUS],[]>, TB;
479 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
480 [(X86brcond bb:$dst, X86_COND_B, STATUS)]>, Imp<[STATUS],[]>, TB;
481 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
482 [(X86brcond bb:$dst, X86_COND_BE, STATUS)]>, Imp<[STATUS],[]>, TB;
483 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
484 [(X86brcond bb:$dst, X86_COND_A, STATUS)]>, Imp<[STATUS],[]>, TB;
485 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
486 [(X86brcond bb:$dst, X86_COND_AE, STATUS)]>, Imp<[STATUS],[]>, TB;
488 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
489 [(X86brcond bb:$dst, X86_COND_S, STATUS)]>, Imp<[STATUS],[]>, TB;
490 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
491 [(X86brcond bb:$dst, X86_COND_NS, STATUS)]>, Imp<[STATUS],[]>, TB;
492 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
493 [(X86brcond bb:$dst, X86_COND_P, STATUS)]>, Imp<[STATUS],[]>, TB;
494 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
495 [(X86brcond bb:$dst, X86_COND_NP, STATUS)]>, Imp<[STATUS],[]>, TB;
496 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
497 [(X86brcond bb:$dst, X86_COND_O, STATUS)]>, Imp<[STATUS],[]>, TB;
498 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
499 [(X86brcond bb:$dst, X86_COND_NO, STATUS)]>, Imp<[STATUS],[]>, TB;
501 //===----------------------------------------------------------------------===//
502 // Call Instructions...
504 let isCall = 1, noResults = 1 in
505 // All calls clobber the non-callee saved registers...
506 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
507 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
508 def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst",
510 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
511 [(X86call R32:$dst)]>;
512 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
513 [(X86call (loadi32 addr:$dst))]>;
517 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
518 def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL", []>;
519 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
520 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
521 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
522 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
523 "jmp {*}$dst # TAIL CALL", []>;
525 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
526 // way, except that it is marked as being a terminator. This causes the epilog
527 // inserter to insert reloads of callee saved registers BEFORE this. We need
528 // this until we have a more accurate way of tracking where the stack pointer is
529 // within a function.
530 let isTerminator = 1, isTwoAddress = 1 in
531 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
532 "add{l} {$src2, $dst|$dst, $src2}", []>;
534 //===----------------------------------------------------------------------===//
535 // Miscellaneous Instructions...
537 def LEAVE : I<0xC9, RawFrm,
538 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
539 def POP32r : I<0x58, AddRegFrm,
540 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
542 let isTwoAddress = 1 in // R32 = bswap R32
543 def BSWAP32r : I<0xC8, AddRegFrm,
544 (ops R32:$dst, R32:$src),
546 [(set R32:$dst, (bswap R32:$src))]>, TB;
548 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
549 (ops R8:$src1, R8:$src2),
550 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
551 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
552 (ops R16:$src1, R16:$src2),
553 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
554 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
555 (ops R32:$src1, R32:$src2),
556 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
558 def XCHG8mr : I<0x86, MRMDestMem,
559 (ops i8mem:$src1, R8:$src2),
560 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
561 def XCHG16mr : I<0x87, MRMDestMem,
562 (ops i16mem:$src1, R16:$src2),
563 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
564 def XCHG32mr : I<0x87, MRMDestMem,
565 (ops i32mem:$src1, R32:$src2),
566 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
567 def XCHG8rm : I<0x86, MRMSrcMem,
568 (ops R8:$src1, i8mem:$src2),
569 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
570 def XCHG16rm : I<0x87, MRMSrcMem,
571 (ops R16:$src1, i16mem:$src2),
572 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
573 def XCHG32rm : I<0x87, MRMSrcMem,
574 (ops R32:$src1, i32mem:$src2),
575 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
577 def LEA16r : I<0x8D, MRMSrcMem,
578 (ops R16:$dst, i32mem:$src),
579 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
580 def LEA32r : I<0x8D, MRMSrcMem,
581 (ops R32:$dst, i32mem:$src),
582 "lea{l} {$src|$dst}, {$dst|$src}",
583 [(set R32:$dst, leaaddr:$src)]>;
585 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
587 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
588 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
589 [(X86rep_movs i16)]>,
590 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
591 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}",
592 [(X86rep_movs i32)]>,
593 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
595 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
597 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
598 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
599 [(X86rep_stos i16)]>,
600 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
601 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
602 [(X86rep_stos i32)]>,
603 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
606 //===----------------------------------------------------------------------===//
607 // Input/Output Instructions...
609 def IN8rr : I<0xEC, RawFrm, (ops),
610 "in{b} {%dx, %al|%AL, %DX}",
611 [(set AL, (readport DX))]>, Imp<[DX], [AL]>;
612 def IN16rr : I<0xED, RawFrm, (ops),
613 "in{w} {%dx, %ax|%AX, %DX}",
614 [(set AX, (readport DX))]>, Imp<[DX], [AX]>, OpSize;
615 def IN32rr : I<0xED, RawFrm, (ops),
616 "in{l} {%dx, %eax|%EAX, %DX}",
617 [(set EAX, (readport DX))]>, Imp<[DX],[EAX]>;
619 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
620 "in{b} {$port, %al|%AL, $port}",
621 [(set AL, (readport i16immZExt8:$port))]>,
623 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
624 "in{w} {$port, %ax|%AX, $port}",
625 [(set AX, (readport i16immZExt8:$port))]>,
626 Imp<[], [AX]>, OpSize;
627 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
628 "in{l} {$port, %eax|%EAX, $port}",
629 [(set EAX, (readport i16immZExt8:$port))]>,
632 def OUT8rr : I<0xEE, RawFrm, (ops),
633 "out{b} {%al, %dx|%DX, %AL}",
634 [(writeport AL, DX)]>, Imp<[DX, AL], []>;
635 def OUT16rr : I<0xEF, RawFrm, (ops),
636 "out{w} {%ax, %dx|%DX, %AX}",
637 [(writeport AX, DX)]>, Imp<[DX, AX], []>, OpSize;
638 def OUT32rr : I<0xEF, RawFrm, (ops),
639 "out{l} {%eax, %dx|%DX, %EAX}",
640 [(writeport EAX, DX)]>, Imp<[DX, EAX], []>;
642 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
643 "out{b} {%al, $port|$port, %AL}",
644 [(writeport AL, i16immZExt8:$port)]>,
646 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
647 "out{w} {%ax, $port|$port, %AX}",
648 [(writeport AX, i16immZExt8:$port)]>,
649 Imp<[AX], []>, OpSize;
650 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
651 "out{l} {%eax, $port|$port, %EAX}",
652 [(writeport EAX, i16immZExt8:$port)]>,
655 //===----------------------------------------------------------------------===//
656 // Move Instructions...
658 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
659 "mov{b} {$src, $dst|$dst, $src}", []>;
660 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
661 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
662 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
663 "mov{l} {$src, $dst|$dst, $src}", []>;
664 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
665 "mov{b} {$src, $dst|$dst, $src}",
666 [(set R8:$dst, imm:$src)]>;
667 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
668 "mov{w} {$src, $dst|$dst, $src}",
669 [(set R16:$dst, imm:$src)]>, OpSize;
670 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
671 "mov{l} {$src, $dst|$dst, $src}",
672 [(set R32:$dst, imm:$src)]>;
673 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
674 "mov{b} {$src, $dst|$dst, $src}",
675 [(store (i8 imm:$src), addr:$dst)]>;
676 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
677 "mov{w} {$src, $dst|$dst, $src}",
678 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
679 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
680 "mov{l} {$src, $dst|$dst, $src}",
681 [(store (i32 imm:$src), addr:$dst)]>;
683 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
684 "mov{b} {$src, $dst|$dst, $src}",
685 [(set R8:$dst, (load addr:$src))]>;
686 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
687 "mov{w} {$src, $dst|$dst, $src}",
688 [(set R16:$dst, (load addr:$src))]>, OpSize;
689 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
690 "mov{l} {$src, $dst|$dst, $src}",
691 [(set R32:$dst, (load addr:$src))]>;
693 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
694 "mov{b} {$src, $dst|$dst, $src}",
695 [(store R8:$src, addr:$dst)]>;
696 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
697 "mov{w} {$src, $dst|$dst, $src}",
698 [(store R16:$src, addr:$dst)]>, OpSize;
699 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
700 "mov{l} {$src, $dst|$dst, $src}",
701 [(store R32:$src, addr:$dst)]>;
703 //===----------------------------------------------------------------------===//
704 // Fixed-Register Multiplication and Division Instructions...
707 // Extra precision multiplication
708 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src",
709 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
710 // This probably ought to be moved to a def : Pat<> if the
711 // syntax can be accepted.
712 [(set AL, (mul AL, R8:$src))]>,
713 Imp<[AL],[AX]>; // AL,AH = AL*R8
714 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
715 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
716 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
717 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
718 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
720 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
721 // This probably ought to be moved to a def : Pat<> if the
722 // syntax can be accepted.
723 [(set AL, (mul AL, (loadi8 addr:$src)))]>,
724 Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
725 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
726 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
727 OpSize; // AX,DX = AX*[mem16]
728 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
729 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
731 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
732 Imp<[AL],[AX]>; // AL,AH = AL*R8
733 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
734 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
735 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
736 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
737 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
738 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
739 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
740 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
741 OpSize; // AX,DX = AX*[mem16]
742 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
744 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
746 // unsigned division/remainder
747 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
748 "div{b} $src", []>, Imp<[AX],[AX]>;
749 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
750 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
751 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
752 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
753 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
754 "div{b} $src", []>, Imp<[AX],[AX]>;
755 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
756 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
757 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
758 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
760 // Signed division/remainder.
761 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
762 "idiv{b} $src", []>, Imp<[AX],[AX]>;
763 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
764 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
765 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
766 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
767 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
768 "idiv{b} $src", []>, Imp<[AX],[AX]>;
769 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
770 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
771 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
772 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
774 // Sign-extenders for division.
775 def CBW : I<0x98, RawFrm, (ops),
776 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
777 def CWD : I<0x99, RawFrm, (ops),
778 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
779 def CDQ : I<0x99, RawFrm, (ops),
780 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
783 //===----------------------------------------------------------------------===//
784 // Two address Instructions...
786 let isTwoAddress = 1 in {
789 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
790 (ops R16:$dst, R16:$src1, R16:$src2),
791 "cmovb {$src2, $dst|$dst, $src2}",
792 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
793 X86_COND_B, STATUS))]>,
794 Imp<[STATUS],[]>, TB, OpSize;
795 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
796 (ops R16:$dst, R16:$src1, i16mem:$src2),
797 "cmovb {$src2, $dst|$dst, $src2}",
798 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
799 X86_COND_B, STATUS))]>,
800 Imp<[STATUS],[]>, TB, OpSize;
801 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
802 (ops R32:$dst, R32:$src1, R32:$src2),
803 "cmovb {$src2, $dst|$dst, $src2}",
804 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
805 X86_COND_B, STATUS))]>,
806 Imp<[STATUS],[]>, TB;
807 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
808 (ops R32:$dst, R32:$src1, i32mem:$src2),
809 "cmovb {$src2, $dst|$dst, $src2}",
810 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
811 X86_COND_B, STATUS))]>,
812 Imp<[STATUS],[]>, TB;
814 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
815 (ops R16:$dst, R16:$src1, R16:$src2),
816 "cmovae {$src2, $dst|$dst, $src2}",
817 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
818 X86_COND_AE, STATUS))]>,
819 Imp<[STATUS],[]>, TB, OpSize;
820 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
821 (ops R16:$dst, R16:$src1, i16mem:$src2),
822 "cmovae {$src2, $dst|$dst, $src2}",
823 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
824 X86_COND_AE, STATUS))]>,
825 Imp<[STATUS],[]>, TB, OpSize;
826 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
827 (ops R32:$dst, R32:$src1, R32:$src2),
828 "cmovae {$src2, $dst|$dst, $src2}",
829 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
830 X86_COND_AE, STATUS))]>,
831 Imp<[STATUS],[]>, TB;
832 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
833 (ops R32:$dst, R32:$src1, i32mem:$src2),
834 "cmovae {$src2, $dst|$dst, $src2}",
835 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
836 X86_COND_AE, STATUS))]>,
837 Imp<[STATUS],[]>, TB;
839 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
840 (ops R16:$dst, R16:$src1, R16:$src2),
841 "cmove {$src2, $dst|$dst, $src2}",
842 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
843 X86_COND_E, STATUS))]>,
844 Imp<[STATUS],[]>, TB, OpSize;
845 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
846 (ops R16:$dst, R16:$src1, i16mem:$src2),
847 "cmove {$src2, $dst|$dst, $src2}",
848 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
849 X86_COND_E, STATUS))]>,
850 Imp<[STATUS],[]>, TB, OpSize;
851 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
852 (ops R32:$dst, R32:$src1, R32:$src2),
853 "cmove {$src2, $dst|$dst, $src2}",
854 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
855 X86_COND_E, STATUS))]>,
856 Imp<[STATUS],[]>, TB;
857 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
858 (ops R32:$dst, R32:$src1, i32mem:$src2),
859 "cmove {$src2, $dst|$dst, $src2}",
860 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
861 X86_COND_E, STATUS))]>,
862 Imp<[STATUS],[]>, TB;
864 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
865 (ops R16:$dst, R16:$src1, R16:$src2),
866 "cmovne {$src2, $dst|$dst, $src2}",
867 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
868 X86_COND_NE, STATUS))]>,
869 Imp<[STATUS],[]>, TB, OpSize;
870 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
871 (ops R16:$dst, R16:$src1, i16mem:$src2),
872 "cmovne {$src2, $dst|$dst, $src2}",
873 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
874 X86_COND_NE, STATUS))]>,
875 Imp<[STATUS],[]>, TB, OpSize;
876 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
877 (ops R32:$dst, R32:$src1, R32:$src2),
878 "cmovne {$src2, $dst|$dst, $src2}",
879 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
880 X86_COND_NE, STATUS))]>,
881 Imp<[STATUS],[]>, TB;
882 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
883 (ops R32:$dst, R32:$src1, i32mem:$src2),
884 "cmovne {$src2, $dst|$dst, $src2}",
885 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
886 X86_COND_NE, STATUS))]>,
887 Imp<[STATUS],[]>, TB;
889 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
890 (ops R16:$dst, R16:$src1, R16:$src2),
891 "cmovbe {$src2, $dst|$dst, $src2}",
892 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
893 X86_COND_BE, STATUS))]>,
894 Imp<[STATUS],[]>, TB, OpSize;
895 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
896 (ops R16:$dst, R16:$src1, i16mem:$src2),
897 "cmovbe {$src2, $dst|$dst, $src2}",
898 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
899 X86_COND_BE, STATUS))]>,
900 Imp<[STATUS],[]>, TB, OpSize;
901 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
902 (ops R32:$dst, R32:$src1, R32:$src2),
903 "cmovbe {$src2, $dst|$dst, $src2}",
904 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
905 X86_COND_BE, STATUS))]>,
906 Imp<[STATUS],[]>, TB;
907 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
908 (ops R32:$dst, R32:$src1, i32mem:$src2),
909 "cmovbe {$src2, $dst|$dst, $src2}",
910 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
911 X86_COND_BE, STATUS))]>,
912 Imp<[STATUS],[]>, TB;
914 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
915 (ops R16:$dst, R16:$src1, R16:$src2),
916 "cmova {$src2, $dst|$dst, $src2}",
917 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
918 X86_COND_A, STATUS))]>,
919 Imp<[STATUS],[]>, TB, OpSize;
920 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
921 (ops R16:$dst, R16:$src1, i16mem:$src2),
922 "cmova {$src2, $dst|$dst, $src2}",
923 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
924 X86_COND_A, STATUS))]>,
925 Imp<[STATUS],[]>, TB, OpSize;
926 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
927 (ops R32:$dst, R32:$src1, R32:$src2),
928 "cmova {$src2, $dst|$dst, $src2}",
929 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
930 X86_COND_A, STATUS))]>,
931 Imp<[STATUS],[]>, TB;
932 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
933 (ops R32:$dst, R32:$src1, i32mem:$src2),
934 "cmova {$src2, $dst|$dst, $src2}",
935 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
936 X86_COND_A, STATUS))]>,
937 Imp<[STATUS],[]>, TB;
939 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
940 (ops R16:$dst, R16:$src1, R16:$src2),
941 "cmovl {$src2, $dst|$dst, $src2}",
942 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
943 X86_COND_L, STATUS))]>,
944 Imp<[STATUS],[]>, TB, OpSize;
945 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
946 (ops R16:$dst, R16:$src1, i16mem:$src2),
947 "cmovl {$src2, $dst|$dst, $src2}",
948 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
949 X86_COND_L, STATUS))]>,
950 Imp<[STATUS],[]>, TB, OpSize;
951 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
952 (ops R32:$dst, R32:$src1, R32:$src2),
953 "cmovl {$src2, $dst|$dst, $src2}",
954 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
955 X86_COND_L, STATUS))]>,
956 Imp<[STATUS],[]>, TB;
957 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
958 (ops R32:$dst, R32:$src1, i32mem:$src2),
959 "cmovl {$src2, $dst|$dst, $src2}",
960 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
961 X86_COND_L, STATUS))]>,
962 Imp<[STATUS],[]>, TB;
964 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
965 (ops R16:$dst, R16:$src1, R16:$src2),
966 "cmovge {$src2, $dst|$dst, $src2}",
967 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
968 X86_COND_GE, STATUS))]>,
969 Imp<[STATUS],[]>, TB, OpSize;
970 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
971 (ops R16:$dst, R16:$src1, i16mem:$src2),
972 "cmovge {$src2, $dst|$dst, $src2}",
973 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
974 X86_COND_GE, STATUS))]>,
975 Imp<[STATUS],[]>, TB, OpSize;
976 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
977 (ops R32:$dst, R32:$src1, R32:$src2),
978 "cmovge {$src2, $dst|$dst, $src2}",
979 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
980 X86_COND_GE, STATUS))]>,
981 Imp<[STATUS],[]>, TB;
982 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
983 (ops R32:$dst, R32:$src1, i32mem:$src2),
984 "cmovge {$src2, $dst|$dst, $src2}",
985 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
986 X86_COND_GE, STATUS))]>,
987 Imp<[STATUS],[]>, TB;
989 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
990 (ops R16:$dst, R16:$src1, R16:$src2),
991 "cmovle {$src2, $dst|$dst, $src2}",
992 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
993 X86_COND_LE, STATUS))]>,
994 Imp<[STATUS],[]>, TB, OpSize;
995 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
996 (ops R16:$dst, R16:$src1, i16mem:$src2),
997 "cmovle {$src2, $dst|$dst, $src2}",
998 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
999 X86_COND_LE, STATUS))]>,
1000 Imp<[STATUS],[]>, TB, OpSize;
1001 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
1002 (ops R32:$dst, R32:$src1, R32:$src2),
1003 "cmovle {$src2, $dst|$dst, $src2}",
1004 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1005 X86_COND_LE, STATUS))]>,
1006 Imp<[STATUS],[]>, TB;
1007 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
1008 (ops R32:$dst, R32:$src1, i32mem:$src2),
1009 "cmovle {$src2, $dst|$dst, $src2}",
1010 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1011 X86_COND_LE, STATUS))]>,
1012 Imp<[STATUS],[]>, TB;
1014 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
1015 (ops R16:$dst, R16:$src1, R16:$src2),
1016 "cmovg {$src2, $dst|$dst, $src2}",
1017 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1018 X86_COND_G, STATUS))]>,
1019 Imp<[STATUS],[]>, TB, OpSize;
1020 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
1021 (ops R16:$dst, R16:$src1, i16mem:$src2),
1022 "cmovg {$src2, $dst|$dst, $src2}",
1023 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1024 X86_COND_G, STATUS))]>,
1025 Imp<[STATUS],[]>, TB, OpSize;
1026 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
1027 (ops R32:$dst, R32:$src1, R32:$src2),
1028 "cmovg {$src2, $dst|$dst, $src2}",
1029 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1030 X86_COND_G, STATUS))]>,
1031 Imp<[STATUS],[]>, TB;
1032 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
1033 (ops R32:$dst, R32:$src1, i32mem:$src2),
1034 "cmovg {$src2, $dst|$dst, $src2}",
1035 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1036 X86_COND_G, STATUS))]>,
1037 Imp<[STATUS],[]>, TB;
1039 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
1040 (ops R16:$dst, R16:$src1, R16:$src2),
1041 "cmovs {$src2, $dst|$dst, $src2}",
1042 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1043 X86_COND_S, STATUS))]>,
1044 Imp<[STATUS],[]>, TB, OpSize;
1045 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
1046 (ops R16:$dst, R16:$src1, i16mem:$src2),
1047 "cmovs {$src2, $dst|$dst, $src2}",
1048 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1049 X86_COND_S, STATUS))]>,
1050 Imp<[STATUS],[]>, TB, OpSize;
1051 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
1052 (ops R32:$dst, R32:$src1, R32:$src2),
1053 "cmovs {$src2, $dst|$dst, $src2}",
1054 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1055 X86_COND_S, STATUS))]>,
1056 Imp<[STATUS],[]>, TB;
1057 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
1058 (ops R32:$dst, R32:$src1, i32mem:$src2),
1059 "cmovs {$src2, $dst|$dst, $src2}",
1060 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1061 X86_COND_S, STATUS))]>,
1062 Imp<[STATUS],[]>, TB;
1064 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
1065 (ops R16:$dst, R16:$src1, R16:$src2),
1066 "cmovns {$src2, $dst|$dst, $src2}",
1067 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1068 X86_COND_NS, STATUS))]>,
1069 Imp<[STATUS],[]>, TB, OpSize;
1070 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
1071 (ops R16:$dst, R16:$src1, i16mem:$src2),
1072 "cmovns {$src2, $dst|$dst, $src2}",
1073 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1074 X86_COND_NS, STATUS))]>,
1075 Imp<[STATUS],[]>, TB, OpSize;
1076 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
1077 (ops R32:$dst, R32:$src1, R32:$src2),
1078 "cmovns {$src2, $dst|$dst, $src2}",
1079 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1080 X86_COND_NS, STATUS))]>,
1081 Imp<[STATUS],[]>, TB;
1082 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
1083 (ops R32:$dst, R32:$src1, i32mem:$src2),
1084 "cmovns {$src2, $dst|$dst, $src2}",
1085 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1086 X86_COND_NS, STATUS))]>,
1087 Imp<[STATUS],[]>, TB;
1089 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
1090 (ops R16:$dst, R16:$src1, R16:$src2),
1091 "cmovp {$src2, $dst|$dst, $src2}",
1092 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1093 X86_COND_P, STATUS))]>,
1094 Imp<[STATUS],[]>, TB, OpSize;
1095 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
1096 (ops R16:$dst, R16:$src1, i16mem:$src2),
1097 "cmovp {$src2, $dst|$dst, $src2}",
1098 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1099 X86_COND_P, STATUS))]>,
1100 Imp<[STATUS],[]>, TB, OpSize;
1101 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
1102 (ops R32:$dst, R32:$src1, R32:$src2),
1103 "cmovp {$src2, $dst|$dst, $src2}",
1104 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1105 X86_COND_P, STATUS))]>,
1106 Imp<[STATUS],[]>, TB;
1107 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
1108 (ops R32:$dst, R32:$src1, i32mem:$src2),
1109 "cmovp {$src2, $dst|$dst, $src2}",
1110 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1111 X86_COND_P, STATUS))]>,
1112 Imp<[STATUS],[]>, TB;
1114 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
1115 (ops R16:$dst, R16:$src1, R16:$src2),
1116 "cmovnp {$src2, $dst|$dst, $src2}",
1117 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1118 X86_COND_NP, STATUS))]>,
1119 Imp<[STATUS],[]>, TB, OpSize;
1120 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
1121 (ops R16:$dst, R16:$src1, i16mem:$src2),
1122 "cmovnp {$src2, $dst|$dst, $src2}",
1123 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1124 X86_COND_NP, STATUS))]>,
1125 Imp<[STATUS],[]>, TB, OpSize;
1126 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
1127 (ops R32:$dst, R32:$src1, R32:$src2),
1128 "cmovnp {$src2, $dst|$dst, $src2}",
1129 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1130 X86_COND_NP, STATUS))]>,
1131 Imp<[STATUS],[]>, TB;
1132 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
1133 (ops R32:$dst, R32:$src1, i32mem:$src2),
1134 "cmovnp {$src2, $dst|$dst, $src2}",
1135 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1136 X86_COND_NP, STATUS))]>,
1137 Imp<[STATUS],[]>, TB;
1140 // unary instructions
1141 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
1142 [(set R8:$dst, (ineg R8:$src))]>;
1143 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
1144 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
1145 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
1146 [(set R32:$dst, (ineg R32:$src))]>;
1147 let isTwoAddress = 0 in {
1148 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1149 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1150 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1151 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1152 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1153 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1157 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
1158 [(set R8:$dst, (not R8:$src))]>;
1159 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
1160 [(set R16:$dst, (not R16:$src))]>, OpSize;
1161 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
1162 [(set R32:$dst, (not R32:$src))]>;
1163 let isTwoAddress = 0 in {
1164 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1165 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1166 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1167 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1168 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1169 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1172 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1173 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
1174 [(set R8:$dst, (add R8:$src, 1))]>;
1175 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1176 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
1177 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
1178 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
1179 [(set R32:$dst, (add R32:$src, 1))]>;
1181 let isTwoAddress = 0 in {
1182 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1183 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1184 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1185 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1186 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1187 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1190 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
1191 [(set R8:$dst, (add R8:$src, -1))]>;
1192 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1193 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
1194 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
1195 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
1196 [(set R32:$dst, (add R32:$src, -1))]>;
1199 let isTwoAddress = 0 in {
1200 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1201 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1202 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1203 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1204 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1205 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1208 // Logical operators...
1209 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1210 def AND8rr : I<0x20, MRMDestReg,
1211 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1212 "and{b} {$src2, $dst|$dst, $src2}",
1213 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
1214 def AND16rr : I<0x21, MRMDestReg,
1215 (ops R16:$dst, R16:$src1, R16:$src2),
1216 "and{w} {$src2, $dst|$dst, $src2}",
1217 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
1218 def AND32rr : I<0x21, MRMDestReg,
1219 (ops R32:$dst, R32:$src1, R32:$src2),
1220 "and{l} {$src2, $dst|$dst, $src2}",
1221 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
1224 def AND8rm : I<0x22, MRMSrcMem,
1225 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1226 "and{b} {$src2, $dst|$dst, $src2}",
1227 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
1228 def AND16rm : I<0x23, MRMSrcMem,
1229 (ops R16:$dst, R16:$src1, i16mem:$src2),
1230 "and{w} {$src2, $dst|$dst, $src2}",
1231 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
1232 def AND32rm : I<0x23, MRMSrcMem,
1233 (ops R32:$dst, R32:$src1, i32mem:$src2),
1234 "and{l} {$src2, $dst|$dst, $src2}",
1235 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
1237 def AND8ri : Ii8<0x80, MRM4r,
1238 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
1239 "and{b} {$src2, $dst|$dst, $src2}",
1240 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
1241 def AND16ri : Ii16<0x81, MRM4r,
1242 (ops R16:$dst, R16:$src1, i16imm:$src2),
1243 "and{w} {$src2, $dst|$dst, $src2}",
1244 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
1245 def AND32ri : Ii32<0x81, MRM4r,
1246 (ops R32:$dst, R32:$src1, i32imm:$src2),
1247 "and{l} {$src2, $dst|$dst, $src2}",
1248 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
1249 def AND16ri8 : Ii8<0x83, MRM4r,
1250 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1251 "and{w} {$src2, $dst|$dst, $src2}",
1252 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
1254 def AND32ri8 : Ii8<0x83, MRM4r,
1255 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1256 "and{l} {$src2, $dst|$dst, $src2}",
1257 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
1259 let isTwoAddress = 0 in {
1260 def AND8mr : I<0x20, MRMDestMem,
1261 (ops i8mem :$dst, R8 :$src),
1262 "and{b} {$src, $dst|$dst, $src}",
1263 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
1264 def AND16mr : I<0x21, MRMDestMem,
1265 (ops i16mem:$dst, R16:$src),
1266 "and{w} {$src, $dst|$dst, $src}",
1267 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
1269 def AND32mr : I<0x21, MRMDestMem,
1270 (ops i32mem:$dst, R32:$src),
1271 "and{l} {$src, $dst|$dst, $src}",
1272 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
1273 def AND8mi : Ii8<0x80, MRM4m,
1274 (ops i8mem :$dst, i8imm :$src),
1275 "and{b} {$src, $dst|$dst, $src}",
1276 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1277 def AND16mi : Ii16<0x81, MRM4m,
1278 (ops i16mem:$dst, i16imm:$src),
1279 "and{w} {$src, $dst|$dst, $src}",
1280 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1282 def AND32mi : Ii32<0x81, MRM4m,
1283 (ops i32mem:$dst, i32imm:$src),
1284 "and{l} {$src, $dst|$dst, $src}",
1285 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1286 def AND16mi8 : Ii8<0x83, MRM4m,
1287 (ops i16mem:$dst, i16i8imm :$src),
1288 "and{w} {$src, $dst|$dst, $src}",
1289 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1291 def AND32mi8 : Ii8<0x83, MRM4m,
1292 (ops i32mem:$dst, i32i8imm :$src),
1293 "and{l} {$src, $dst|$dst, $src}",
1294 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1298 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1299 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1300 "or{b} {$src2, $dst|$dst, $src2}",
1301 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
1302 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1303 "or{w} {$src2, $dst|$dst, $src2}",
1304 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
1305 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1306 "or{l} {$src2, $dst|$dst, $src2}",
1307 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
1309 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1310 "or{b} {$src2, $dst|$dst, $src2}",
1311 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
1312 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
1313 "or{w} {$src2, $dst|$dst, $src2}",
1314 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
1315 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1316 "or{l} {$src2, $dst|$dst, $src2}",
1317 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
1319 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1320 "or{b} {$src2, $dst|$dst, $src2}",
1321 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
1322 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1323 "or{w} {$src2, $dst|$dst, $src2}",
1324 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
1325 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1326 "or{l} {$src2, $dst|$dst, $src2}",
1327 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
1329 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1330 "or{w} {$src2, $dst|$dst, $src2}",
1331 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
1332 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1333 "or{l} {$src2, $dst|$dst, $src2}",
1334 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
1335 let isTwoAddress = 0 in {
1336 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
1337 "or{b} {$src, $dst|$dst, $src}",
1338 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
1339 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
1340 "or{w} {$src, $dst|$dst, $src}",
1341 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
1342 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
1343 "or{l} {$src, $dst|$dst, $src}",
1344 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
1345 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1346 "or{b} {$src, $dst|$dst, $src}",
1347 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1348 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1349 "or{w} {$src, $dst|$dst, $src}",
1350 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1352 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1353 "or{l} {$src, $dst|$dst, $src}",
1354 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1355 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1356 "or{w} {$src, $dst|$dst, $src}",
1357 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1359 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1360 "or{l} {$src, $dst|$dst, $src}",
1361 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1365 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1366 def XOR8rr : I<0x30, MRMDestReg,
1367 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1368 "xor{b} {$src2, $dst|$dst, $src2}",
1369 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
1370 def XOR16rr : I<0x31, MRMDestReg,
1371 (ops R16:$dst, R16:$src1, R16:$src2),
1372 "xor{w} {$src2, $dst|$dst, $src2}",
1373 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
1374 def XOR32rr : I<0x31, MRMDestReg,
1375 (ops R32:$dst, R32:$src1, R32:$src2),
1376 "xor{l} {$src2, $dst|$dst, $src2}",
1377 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
1380 def XOR8rm : I<0x32, MRMSrcMem ,
1381 (ops R8 :$dst, R8:$src1, i8mem :$src2),
1382 "xor{b} {$src2, $dst|$dst, $src2}",
1383 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
1384 def XOR16rm : I<0x33, MRMSrcMem ,
1385 (ops R16:$dst, R16:$src1, i16mem:$src2),
1386 "xor{w} {$src2, $dst|$dst, $src2}",
1387 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
1388 def XOR32rm : I<0x33, MRMSrcMem ,
1389 (ops R32:$dst, R32:$src1, i32mem:$src2),
1390 "xor{l} {$src2, $dst|$dst, $src2}",
1391 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
1393 def XOR8ri : Ii8<0x80, MRM6r,
1394 (ops R8:$dst, R8:$src1, i8imm:$src2),
1395 "xor{b} {$src2, $dst|$dst, $src2}",
1396 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
1397 def XOR16ri : Ii16<0x81, MRM6r,
1398 (ops R16:$dst, R16:$src1, i16imm:$src2),
1399 "xor{w} {$src2, $dst|$dst, $src2}",
1400 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
1401 def XOR32ri : Ii32<0x81, MRM6r,
1402 (ops R32:$dst, R32:$src1, i32imm:$src2),
1403 "xor{l} {$src2, $dst|$dst, $src2}",
1404 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
1405 def XOR16ri8 : Ii8<0x83, MRM6r,
1406 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1407 "xor{w} {$src2, $dst|$dst, $src2}",
1408 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
1410 def XOR32ri8 : Ii8<0x83, MRM6r,
1411 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1412 "xor{l} {$src2, $dst|$dst, $src2}",
1413 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
1414 let isTwoAddress = 0 in {
1415 def XOR8mr : I<0x30, MRMDestMem,
1416 (ops i8mem :$dst, R8 :$src),
1417 "xor{b} {$src, $dst|$dst, $src}",
1418 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
1419 def XOR16mr : I<0x31, MRMDestMem,
1420 (ops i16mem:$dst, R16:$src),
1421 "xor{w} {$src, $dst|$dst, $src}",
1422 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
1424 def XOR32mr : I<0x31, MRMDestMem,
1425 (ops i32mem:$dst, R32:$src),
1426 "xor{l} {$src, $dst|$dst, $src}",
1427 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
1428 def XOR8mi : Ii8<0x80, MRM6m,
1429 (ops i8mem :$dst, i8imm :$src),
1430 "xor{b} {$src, $dst|$dst, $src}",
1431 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1432 def XOR16mi : Ii16<0x81, MRM6m,
1433 (ops i16mem:$dst, i16imm:$src),
1434 "xor{w} {$src, $dst|$dst, $src}",
1435 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1437 def XOR32mi : Ii32<0x81, MRM6m,
1438 (ops i32mem:$dst, i32imm:$src),
1439 "xor{l} {$src, $dst|$dst, $src}",
1440 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1441 def XOR16mi8 : Ii8<0x83, MRM6m,
1442 (ops i16mem:$dst, i16i8imm :$src),
1443 "xor{w} {$src, $dst|$dst, $src}",
1444 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1446 def XOR32mi8 : Ii8<0x83, MRM6m,
1447 (ops i32mem:$dst, i32i8imm :$src),
1448 "xor{l} {$src, $dst|$dst, $src}",
1449 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1452 // Shift instructions
1453 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
1454 "shl{b} {%cl, $dst|$dst, %CL}",
1455 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
1456 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1457 "shl{w} {%cl, $dst|$dst, %CL}",
1458 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1459 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1460 "shl{l} {%cl, $dst|$dst, %CL}",
1461 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1463 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1464 "shl{b} {$src2, $dst|$dst, $src2}",
1465 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1466 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1467 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1468 "shl{w} {$src2, $dst|$dst, $src2}",
1469 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1470 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1471 "shl{l} {$src2, $dst|$dst, $src2}",
1472 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1475 let isTwoAddress = 0 in {
1476 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1477 "shl{b} {%cl, $dst|$dst, %CL}",
1478 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1480 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1481 "shl{w} {%cl, $dst|$dst, %CL}",
1482 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1483 Imp<[CL],[]>, OpSize;
1484 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1485 "shl{l} {%cl, $dst|$dst, %CL}",
1486 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1488 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1489 "shl{b} {$src, $dst|$dst, $src}",
1490 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1491 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1492 "shl{w} {$src, $dst|$dst, $src}",
1493 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1495 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1496 "shl{l} {$src, $dst|$dst, $src}",
1497 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1500 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1501 "shr{b} {%cl, $dst|$dst, %CL}",
1502 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1503 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1504 "shr{w} {%cl, $dst|$dst, %CL}",
1505 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1506 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1507 "shr{l} {%cl, $dst|$dst, %CL}",
1508 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1510 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1511 "shr{b} {$src2, $dst|$dst, $src2}",
1512 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1513 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1514 "shr{w} {$src2, $dst|$dst, $src2}",
1515 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1516 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1517 "shr{l} {$src2, $dst|$dst, $src2}",
1518 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1520 let isTwoAddress = 0 in {
1521 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1522 "shr{b} {%cl, $dst|$dst, %CL}",
1523 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1525 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1526 "shr{w} {%cl, $dst|$dst, %CL}",
1527 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1528 Imp<[CL],[]>, OpSize;
1529 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1530 "shr{l} {%cl, $dst|$dst, %CL}",
1531 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1533 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1534 "shr{b} {$src, $dst|$dst, $src}",
1535 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1536 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1537 "shr{w} {$src, $dst|$dst, $src}",
1538 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1540 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1541 "shr{l} {$src, $dst|$dst, $src}",
1542 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1545 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1546 "sar{b} {%cl, $dst|$dst, %CL}",
1547 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1548 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1549 "sar{w} {%cl, $dst|$dst, %CL}",
1550 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1551 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1552 "sar{l} {%cl, $dst|$dst, %CL}",
1553 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1555 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1556 "sar{b} {$src2, $dst|$dst, $src2}",
1557 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1558 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1559 "sar{w} {$src2, $dst|$dst, $src2}",
1560 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1562 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1563 "sar{l} {$src2, $dst|$dst, $src2}",
1564 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1565 let isTwoAddress = 0 in {
1566 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1567 "sar{b} {%cl, $dst|$dst, %CL}",
1568 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1570 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1571 "sar{w} {%cl, $dst|$dst, %CL}",
1572 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1573 Imp<[CL],[]>, OpSize;
1574 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1575 "sar{l} {%cl, $dst|$dst, %CL}",
1576 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1578 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1579 "sar{b} {$src, $dst|$dst, $src}",
1580 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1581 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1582 "sar{w} {$src, $dst|$dst, $src}",
1583 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1585 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1586 "sar{l} {$src, $dst|$dst, $src}",
1587 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1590 // Rotate instructions
1591 // FIXME: provide shorter instructions when imm8 == 1
1592 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1593 "rol{b} {%cl, $dst|$dst, %CL}",
1594 [(set R8:$dst, (rotl R8:$src, CL))]>, Imp<[CL],[]>;
1595 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1596 "rol{w} {%cl, $dst|$dst, %CL}",
1597 [(set R16:$dst, (rotl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1598 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1599 "rol{l} {%cl, $dst|$dst, %CL}",
1600 [(set R32:$dst, (rotl R32:$src, CL))]>, Imp<[CL],[]>;
1602 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1603 "rol{b} {$src2, $dst|$dst, $src2}",
1604 [(set R8:$dst, (rotl R8:$src1, (i8 imm:$src2)))]>;
1605 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1606 "rol{w} {$src2, $dst|$dst, $src2}",
1607 [(set R16:$dst, (rotl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1608 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1609 "rol{l} {$src2, $dst|$dst, $src2}",
1610 [(set R32:$dst, (rotl R32:$src1, (i8 imm:$src2)))]>;
1612 let isTwoAddress = 0 in {
1613 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1614 "rol{b} {%cl, $dst|$dst, %CL}",
1615 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1617 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1618 "rol{w} {%cl, $dst|$dst, %CL}",
1619 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1620 Imp<[CL],[]>, OpSize;
1621 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1622 "rol{l} {%cl, $dst|$dst, %CL}",
1623 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1625 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1626 "rol{b} {$src, $dst|$dst, $src}",
1627 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1628 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1629 "rol{w} {$src, $dst|$dst, $src}",
1630 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1632 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1633 "rol{l} {$src, $dst|$dst, $src}",
1634 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1637 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1638 "ror{b} {%cl, $dst|$dst, %CL}",
1639 [(set R8:$dst, (rotr R8:$src, CL))]>, Imp<[CL],[]>;
1640 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1641 "ror{w} {%cl, $dst|$dst, %CL}",
1642 [(set R16:$dst, (rotr R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1643 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1644 "ror{l} {%cl, $dst|$dst, %CL}",
1645 [(set R32:$dst, (rotr R32:$src, CL))]>, Imp<[CL],[]>;
1647 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1648 "ror{b} {$src2, $dst|$dst, $src2}",
1649 [(set R8:$dst, (rotr R8:$src1, (i8 imm:$src2)))]>;
1650 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1651 "ror{w} {$src2, $dst|$dst, $src2}",
1652 [(set R16:$dst, (rotr R16:$src1, (i8 imm:$src2)))]>, OpSize;
1653 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1654 "ror{l} {$src2, $dst|$dst, $src2}",
1655 [(set R32:$dst, (rotr R32:$src1, (i8 imm:$src2)))]>;
1656 let isTwoAddress = 0 in {
1657 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1658 "ror{b} {%cl, $dst|$dst, %CL}",
1659 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1661 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1662 "ror{w} {%cl, $dst|$dst, %CL}",
1663 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1664 Imp<[CL],[]>, OpSize;
1665 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1666 "ror{l} {%cl, $dst|$dst, %CL}",
1667 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1669 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1670 "ror{b} {$src, $dst|$dst, $src}",
1671 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1672 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1673 "ror{w} {$src, $dst|$dst, $src}",
1674 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1676 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1677 "ror{l} {$src, $dst|$dst, $src}",
1678 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1683 // Double shift instructions (generalizations of rotate)
1685 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1686 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1687 [(set R32:$dst, (X86shld R32:$src1, R32:$src2, CL))]>,
1689 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1690 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1691 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2, CL))]>,
1693 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1694 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1695 [(set R16:$dst, (X86shld R16:$src1, R16:$src2, CL))]>,
1696 Imp<[CL],[]>, TB, OpSize;
1697 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1698 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1699 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2, CL))]>,
1700 Imp<[CL],[]>, TB, OpSize;
1702 let isCommutable = 1 in { // These instructions commute to each other.
1703 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1704 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1705 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1706 [(set R32:$dst, (X86shld R32:$src1, R32:$src2,
1709 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1710 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1711 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1712 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2,
1715 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1716 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1717 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1718 [(set R16:$dst, (X86shld R16:$src1, R16:$src2,
1721 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1722 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1723 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1724 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2,
1729 let isTwoAddress = 0 in {
1730 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1731 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1732 [(store (X86shld (loadi32 addr:$dst), R32:$src2, CL),
1735 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1736 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1737 [(store (X86shrd (loadi32 addr:$dst), R32:$src2, CL),
1740 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1741 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1742 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1743 [(store (X86shld (loadi32 addr:$dst), R32:$src2,
1744 (i8 imm:$src3)), addr:$dst)]>,
1746 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1747 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1748 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1749 [(store (X86shrd (loadi32 addr:$dst), R32:$src2,
1750 (i8 imm:$src3)), addr:$dst)]>,
1753 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1754 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1755 [(store (X86shld (loadi16 addr:$dst), R16:$src2, CL),
1757 Imp<[CL],[]>, TB, OpSize;
1758 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1759 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1760 [(store (X86shrd (loadi16 addr:$dst), R16:$src2, CL),
1762 Imp<[CL],[]>, TB, OpSize;
1763 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1764 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1765 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1766 [(store (X86shld (loadi16 addr:$dst), R16:$src2,
1767 (i8 imm:$src3)), addr:$dst)]>,
1769 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1770 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1771 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1772 [(store (X86shrd (loadi16 addr:$dst), R16:$src2,
1773 (i8 imm:$src3)), addr:$dst)]>,
1779 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1780 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1781 "add{b} {$src2, $dst|$dst, $src2}",
1782 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1783 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1784 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1785 "add{w} {$src2, $dst|$dst, $src2}",
1786 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1787 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1788 "add{l} {$src2, $dst|$dst, $src2}",
1789 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1790 } // end isConvertibleToThreeAddress
1791 } // end isCommutable
1792 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1793 "add{b} {$src2, $dst|$dst, $src2}",
1794 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1795 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1796 "add{w} {$src2, $dst|$dst, $src2}",
1797 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1798 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1799 "add{l} {$src2, $dst|$dst, $src2}",
1800 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1802 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1803 "add{b} {$src2, $dst|$dst, $src2}",
1804 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1806 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1807 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1808 "add{w} {$src2, $dst|$dst, $src2}",
1809 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1810 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1811 "add{l} {$src2, $dst|$dst, $src2}",
1812 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1815 // FIXME: move ADD16ri8 above ADD16ri to optimize for space.
1816 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1817 "add{w} {$src2, $dst|$dst, $src2}",
1818 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1820 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1821 "add{l} {$src2, $dst|$dst, $src2}",
1822 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1824 let isTwoAddress = 0 in {
1825 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1826 "add{b} {$src2, $dst|$dst, $src2}",
1827 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1828 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1829 "add{w} {$src2, $dst|$dst, $src2}",
1830 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1832 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1833 "add{l} {$src2, $dst|$dst, $src2}",
1834 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1835 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1836 "add{b} {$src2, $dst|$dst, $src2}",
1837 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1838 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1839 "add{w} {$src2, $dst|$dst, $src2}",
1840 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1842 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1843 "add{l} {$src2, $dst|$dst, $src2}",
1844 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1845 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1846 "add{w} {$src2, $dst|$dst, $src2}",
1847 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1849 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1850 "add{l} {$src2, $dst|$dst, $src2}",
1851 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1854 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1855 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1856 "adc{l} {$src2, $dst|$dst, $src2}",
1857 [(set R32:$dst, (X86adc R32:$src1, R32:$src2))]>;
1859 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1860 "adc{l} {$src2, $dst|$dst, $src2}",
1861 [(set R32:$dst, (X86adc R32:$src1, (load addr:$src2)))]>;
1862 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1863 "adc{l} {$src2, $dst|$dst, $src2}",
1864 [(set R32:$dst, (X86adc R32:$src1, imm:$src2))]>;
1865 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1866 "adc{l} {$src2, $dst|$dst, $src2}",
1867 [(set R32:$dst, (X86adc R32:$src1, i32immSExt8:$src2))]>;
1869 let isTwoAddress = 0 in {
1870 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1871 "adc{l} {$src2, $dst|$dst, $src2}",
1872 [(store (X86adc (load addr:$dst), R32:$src2), addr:$dst)]>;
1873 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1874 "adc{l} {$src2, $dst|$dst, $src2}",
1875 [(store (X86adc (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1876 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1877 "adc{l} {$src2, $dst|$dst, $src2}",
1878 [(store (X86adc (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1881 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1882 "sub{b} {$src2, $dst|$dst, $src2}",
1883 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1884 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1885 "sub{w} {$src2, $dst|$dst, $src2}",
1886 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1887 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1888 "sub{l} {$src2, $dst|$dst, $src2}",
1889 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1890 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1891 "sub{b} {$src2, $dst|$dst, $src2}",
1892 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1893 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1894 "sub{w} {$src2, $dst|$dst, $src2}",
1895 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1896 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1897 "sub{l} {$src2, $dst|$dst, $src2}",
1898 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1900 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1901 "sub{b} {$src2, $dst|$dst, $src2}",
1902 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1903 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1904 "sub{w} {$src2, $dst|$dst, $src2}",
1905 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1906 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1907 "sub{l} {$src2, $dst|$dst, $src2}",
1908 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1909 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1910 "sub{w} {$src2, $dst|$dst, $src2}",
1911 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1913 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1914 "sub{l} {$src2, $dst|$dst, $src2}",
1915 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1916 let isTwoAddress = 0 in {
1917 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1918 "sub{b} {$src2, $dst|$dst, $src2}",
1919 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1920 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1921 "sub{w} {$src2, $dst|$dst, $src2}",
1922 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1924 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1925 "sub{l} {$src2, $dst|$dst, $src2}",
1926 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1927 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1928 "sub{b} {$src2, $dst|$dst, $src2}",
1929 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1930 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1931 "sub{w} {$src2, $dst|$dst, $src2}",
1932 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1934 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1935 "sub{l} {$src2, $dst|$dst, $src2}",
1936 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1937 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1938 "sub{w} {$src2, $dst|$dst, $src2}",
1939 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1941 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1942 "sub{l} {$src2, $dst|$dst, $src2}",
1943 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1946 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1947 "sbb{l} {$src2, $dst|$dst, $src2}",
1948 [(set R32:$dst, (X86sbb R32:$src1, R32:$src2))]>;
1950 let isTwoAddress = 0 in {
1951 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1952 "sbb{l} {$src2, $dst|$dst, $src2}",
1953 [(store (X86sbb (load addr:$dst), R32:$src2), addr:$dst)]>;
1954 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1955 "sbb{b} {$src2, $dst|$dst, $src2}",
1956 [(store (X86sbb (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1957 def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
1958 "sbb{w} {$src2, $dst|$dst, $src2}",
1959 [(store (X86sbb (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1961 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1962 "sbb{l} {$src2, $dst|$dst, $src2}",
1963 [(store (X86sbb (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1964 def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i16i8imm :$src2),
1965 "sbb{w} {$src2, $dst|$dst, $src2}",
1966 [(store (X86sbb (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1968 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
1969 "sbb{l} {$src2, $dst|$dst, $src2}",
1970 [(store (X86sbb (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1972 def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1973 "sbb{b} {$src2, $dst|$dst, $src2}",
1974 [(set R8:$dst, (X86sbb R8:$src1, imm:$src2))]>;
1975 def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1976 "sbb{w} {$src2, $dst|$dst, $src2}",
1977 [(set R16:$dst, (X86sbb R16:$src1, imm:$src2))]>, OpSize;
1979 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1980 "sbb{l} {$src2, $dst|$dst, $src2}",
1981 [(set R32:$dst, (X86sbb R32:$src1, (load addr:$src2)))]>;
1982 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1983 "sbb{l} {$src2, $dst|$dst, $src2}",
1984 [(set R32:$dst, (X86sbb R32:$src1, imm:$src2))]>;
1986 def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1987 "sbb{w} {$src2, $dst|$dst, $src2}",
1988 [(set R16:$dst, (X86sbb R16:$src1, i16immSExt8:$src2))]>,
1990 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1991 "sbb{l} {$src2, $dst|$dst, $src2}",
1992 [(set R32:$dst, (X86sbb R32:$src1, i32immSExt8:$src2))]>;
1994 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1995 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1996 "imul{w} {$src2, $dst|$dst, $src2}",
1997 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1998 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1999 "imul{l} {$src2, $dst|$dst, $src2}",
2000 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
2002 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
2003 "imul{w} {$src2, $dst|$dst, $src2}",
2004 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
2006 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
2007 "imul{l} {$src2, $dst|$dst, $src2}",
2008 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
2010 } // end Two Address instructions
2012 // Suprisingly enough, these are not two address instructions!
2013 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
2014 (ops R16:$dst, R16:$src1, i16imm:$src2),
2015 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2016 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
2017 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
2018 (ops R32:$dst, R32:$src1, i32imm:$src2),
2019 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2020 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
2021 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
2022 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
2023 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2024 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
2026 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
2027 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
2028 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2029 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
2031 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
2032 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
2033 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2034 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2036 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
2037 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
2038 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2039 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2040 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
2041 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
2042 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2043 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2045 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
2046 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
2047 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2048 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2050 //===----------------------------------------------------------------------===//
2051 // Test instructions are just like AND, except they don't generate a result.
2053 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2054 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
2055 "test{b} {$src2, $src1|$src1, $src2}",
2056 [(set STATUS, (X86test R8:$src1, R8:$src2))]>,
2058 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
2059 "test{w} {$src2, $src1|$src1, $src2}",
2060 [(set STATUS, (X86test R16:$src1, R16:$src2))]>,
2061 Imp<[],[STATUS]>, OpSize;
2062 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
2063 "test{l} {$src2, $src1|$src1, $src2}",
2064 [(set STATUS, (X86test R32:$src1, R32:$src2))]>,
2067 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
2068 "test{b} {$src2, $src1|$src1, $src2}",
2069 [(set STATUS, (X86test (loadi8 addr:$src1), R8:$src2))]>,
2071 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
2072 "test{w} {$src2, $src1|$src1, $src2}",
2073 [(set STATUS, (X86test (loadi16 addr:$src1), R16:$src2))]>,
2074 Imp<[],[STATUS]>, OpSize;
2075 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
2076 "test{l} {$src2, $src1|$src1, $src2}",
2077 [(set STATUS, (X86test (loadi32 addr:$src1), R32:$src2))]>,
2079 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
2080 "test{b} {$src2, $src1|$src1, $src2}",
2081 [(set STATUS, (X86test R8:$src1, (loadi8 addr:$src2)))]>,
2083 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
2084 "test{w} {$src2, $src1|$src1, $src2}",
2085 [(set STATUS, (X86test R16:$src1, (loadi16 addr:$src2)))]>,
2086 Imp<[],[STATUS]>, OpSize;
2087 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
2088 "test{l} {$src2, $src1|$src1, $src2}",
2089 [(set STATUS, (X86test R32:$src1, (loadi32 addr:$src2)))]>,
2092 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
2093 (ops R8:$src1, i8imm:$src2),
2094 "test{b} {$src2, $src1|$src1, $src2}",
2095 [(set STATUS, (X86test R8:$src1, imm:$src2))]>,
2097 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
2098 (ops R16:$src1, i16imm:$src2),
2099 "test{w} {$src2, $src1|$src1, $src2}",
2100 [(set STATUS, (X86test R16:$src1, imm:$src2))]>,
2101 Imp<[],[STATUS]>, OpSize;
2102 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
2103 (ops R32:$src1, i32imm:$src2),
2104 "test{l} {$src2, $src1|$src1, $src2}",
2105 [(set STATUS, (X86test R32:$src1, imm:$src2))]>,
2107 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2108 (ops i8mem:$src1, i8imm:$src2),
2109 "test{b} {$src2, $src1|$src1, $src2}",
2110 [(set STATUS, (X86test (loadi8 addr:$src1), imm:$src2))]>,
2112 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2113 (ops i16mem:$src1, i16imm:$src2),
2114 "test{w} {$src2, $src1|$src1, $src2}",
2115 [(set STATUS, (X86test (loadi16 addr:$src1), imm:$src2))]>,
2116 Imp<[],[STATUS]>, OpSize;
2117 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2118 (ops i32mem:$src1, i32imm:$src2),
2119 "test{l} {$src2, $src1|$src1, $src2}",
2120 [(set STATUS, (X86test (loadi32 addr:$src1), imm:$src2))]>,
2124 // Condition code ops, incl. set if equal/not equal/...
2125 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2126 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2128 def SETEr : I<0x94, MRM0r,
2131 [(set R8:$dst, (X86setcc X86_COND_E, STATUS))]>,
2133 def SETEm : I<0x94, MRM0m,
2136 [(store (X86setcc X86_COND_E, STATUS), addr:$dst)]>,
2138 def SETNEr : I<0x95, MRM0r,
2141 [(set R8:$dst, (X86setcc X86_COND_NE, STATUS))]>,
2143 def SETNEm : I<0x95, MRM0m,
2146 [(store (X86setcc X86_COND_NE, STATUS), addr:$dst)]>,
2148 def SETLr : I<0x9C, MRM0r,
2151 [(set R8:$dst, (X86setcc X86_COND_L, STATUS))]>,
2152 TB; // R8 = < signed
2153 def SETLm : I<0x9C, MRM0m,
2156 [(store (X86setcc X86_COND_L, STATUS), addr:$dst)]>,
2157 TB; // [mem8] = < signed
2158 def SETGEr : I<0x9D, MRM0r,
2161 [(set R8:$dst, (X86setcc X86_COND_GE, STATUS))]>,
2162 TB; // R8 = >= signed
2163 def SETGEm : I<0x9D, MRM0m,
2166 [(store (X86setcc X86_COND_GE, STATUS), addr:$dst)]>,
2167 TB; // [mem8] = >= signed
2168 def SETLEr : I<0x9E, MRM0r,
2171 [(set R8:$dst, (X86setcc X86_COND_LE, STATUS))]>,
2172 TB; // R8 = <= signed
2173 def SETLEm : I<0x9E, MRM0m,
2176 [(store (X86setcc X86_COND_LE, STATUS), addr:$dst)]>,
2177 TB; // [mem8] = <= signed
2178 def SETGr : I<0x9F, MRM0r,
2181 [(set R8:$dst, (X86setcc X86_COND_G, STATUS))]>,
2182 TB; // R8 = > signed
2183 def SETGm : I<0x9F, MRM0m,
2186 [(store (X86setcc X86_COND_G, STATUS), addr:$dst)]>,
2187 TB; // [mem8] = > signed
2189 def SETBr : I<0x92, MRM0r,
2192 [(set R8:$dst, (X86setcc X86_COND_B, STATUS))]>,
2193 TB; // R8 = < unsign
2194 def SETBm : I<0x92, MRM0m,
2197 [(store (X86setcc X86_COND_B, STATUS), addr:$dst)]>,
2198 TB; // [mem8] = < unsign
2199 def SETAEr : I<0x93, MRM0r,
2202 [(set R8:$dst, (X86setcc X86_COND_AE, STATUS))]>,
2203 TB; // R8 = >= unsign
2204 def SETAEm : I<0x93, MRM0m,
2207 [(store (X86setcc X86_COND_AE, STATUS), addr:$dst)]>,
2208 TB; // [mem8] = >= unsign
2209 def SETBEr : I<0x96, MRM0r,
2212 [(set R8:$dst, (X86setcc X86_COND_BE, STATUS))]>,
2213 TB; // R8 = <= unsign
2214 def SETBEm : I<0x96, MRM0m,
2217 [(store (X86setcc X86_COND_BE, STATUS), addr:$dst)]>,
2218 TB; // [mem8] = <= unsign
2219 def SETAr : I<0x97, MRM0r,
2222 [(set R8:$dst, (X86setcc X86_COND_A, STATUS))]>,
2223 TB; // R8 = > signed
2224 def SETAm : I<0x97, MRM0m,
2227 [(store (X86setcc X86_COND_A, STATUS), addr:$dst)]>,
2228 TB; // [mem8] = > signed
2230 def SETSr : I<0x98, MRM0r,
2233 [(set R8:$dst, (X86setcc X86_COND_S, STATUS))]>,
2234 TB; // R8 = <sign bit>
2235 def SETSm : I<0x98, MRM0m,
2238 [(store (X86setcc X86_COND_S, STATUS), addr:$dst)]>,
2239 TB; // [mem8] = <sign bit>
2240 def SETNSr : I<0x99, MRM0r,
2243 [(set R8:$dst, (X86setcc X86_COND_NS, STATUS))]>,
2244 TB; // R8 = !<sign bit>
2245 def SETNSm : I<0x99, MRM0m,
2248 [(store (X86setcc X86_COND_NS, STATUS), addr:$dst)]>,
2249 TB; // [mem8] = !<sign bit>
2250 def SETPr : I<0x9A, MRM0r,
2253 [(set R8:$dst, (X86setcc X86_COND_P, STATUS))]>,
2255 def SETPm : I<0x9A, MRM0m,
2258 [(store (X86setcc X86_COND_P, STATUS), addr:$dst)]>,
2259 TB; // [mem8] = parity
2260 def SETNPr : I<0x9B, MRM0r,
2263 [(set R8:$dst, (X86setcc X86_COND_NP, STATUS))]>,
2264 TB; // R8 = not parity
2265 def SETNPm : I<0x9B, MRM0m,
2268 [(store (X86setcc X86_COND_NP, STATUS), addr:$dst)]>,
2269 TB; // [mem8] = not parity
2271 // Integer comparisons
2272 def CMP8rr : I<0x38, MRMDestReg,
2273 (ops R8 :$src1, R8 :$src2),
2274 "cmp{b} {$src2, $src1|$src1, $src2}",
2275 [(set STATUS, (X86cmp R8:$src1, R8:$src2))]>,
2277 def CMP16rr : I<0x39, MRMDestReg,
2278 (ops R16:$src1, R16:$src2),
2279 "cmp{w} {$src2, $src1|$src1, $src2}",
2280 [(set STATUS, (X86cmp R16:$src1, R16:$src2))]>,
2281 Imp<[],[STATUS]>, OpSize;
2282 def CMP32rr : I<0x39, MRMDestReg,
2283 (ops R32:$src1, R32:$src2),
2284 "cmp{l} {$src2, $src1|$src1, $src2}",
2285 [(set STATUS, (X86cmp R32:$src1, R32:$src2))]>,
2287 def CMP8mr : I<0x38, MRMDestMem,
2288 (ops i8mem :$src1, R8 :$src2),
2289 "cmp{b} {$src2, $src1|$src1, $src2}",
2290 [(set STATUS, (X86cmp (loadi8 addr:$src1), R8:$src2))]>,
2292 def CMP16mr : I<0x39, MRMDestMem,
2293 (ops i16mem:$src1, R16:$src2),
2294 "cmp{w} {$src2, $src1|$src1, $src2}",
2295 [(set STATUS, (X86cmp (loadi16 addr:$src1), R16:$src2))]>,
2296 Imp<[],[STATUS]>, OpSize;
2297 def CMP32mr : I<0x39, MRMDestMem,
2298 (ops i32mem:$src1, R32:$src2),
2299 "cmp{l} {$src2, $src1|$src1, $src2}",
2300 [(set STATUS, (X86cmp (loadi32 addr:$src1), R32:$src2))]>,
2302 def CMP8rm : I<0x3A, MRMSrcMem,
2303 (ops R8 :$src1, i8mem :$src2),
2304 "cmp{b} {$src2, $src1|$src1, $src2}",
2305 [(set STATUS, (X86cmp R8:$src1, (loadi8 addr:$src2)))]>,
2307 def CMP16rm : I<0x3B, MRMSrcMem,
2308 (ops R16:$src1, i16mem:$src2),
2309 "cmp{w} {$src2, $src1|$src1, $src2}",
2310 [(set STATUS, (X86cmp R16:$src1, (loadi16 addr:$src2)))]>,
2311 Imp<[],[STATUS]>, OpSize;
2312 def CMP32rm : I<0x3B, MRMSrcMem,
2313 (ops R32:$src1, i32mem:$src2),
2314 "cmp{l} {$src2, $src1|$src1, $src2}",
2315 [(set STATUS, (X86cmp R32:$src1, (loadi32 addr:$src2)))]>,
2317 def CMP8ri : Ii8<0x80, MRM7r,
2318 (ops R8:$src1, i8imm:$src2),
2319 "cmp{b} {$src2, $src1|$src1, $src2}",
2320 [(set STATUS, (X86cmp R8:$src1, imm:$src2))]>,
2322 def CMP16ri : Ii16<0x81, MRM7r,
2323 (ops R16:$src1, i16imm:$src2),
2324 "cmp{w} {$src2, $src1|$src1, $src2}",
2325 [(set STATUS, (X86cmp R16:$src1, imm:$src2))]>,
2326 Imp<[],[STATUS]>, OpSize;
2327 def CMP32ri : Ii32<0x81, MRM7r,
2328 (ops R32:$src1, i32imm:$src2),
2329 "cmp{l} {$src2, $src1|$src1, $src2}",
2330 [(set STATUS, (X86cmp R32:$src1, imm:$src2))]>,
2332 def CMP8mi : Ii8 <0x80, MRM7m,
2333 (ops i8mem :$src1, i8imm :$src2),
2334 "cmp{b} {$src2, $src1|$src1, $src2}",
2335 [(set STATUS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>,
2337 def CMP16mi : Ii16<0x81, MRM7m,
2338 (ops i16mem:$src1, i16imm:$src2),
2339 "cmp{w} {$src2, $src1|$src1, $src2}",
2340 [(set STATUS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
2341 Imp<[],[STATUS]>, OpSize;
2342 def CMP32mi : Ii32<0x81, MRM7m,
2343 (ops i32mem:$src1, i32imm:$src2),
2344 "cmp{l} {$src2, $src1|$src1, $src2}",
2345 [(set STATUS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>,
2348 // Sign/Zero extenders
2349 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
2350 "movs{bw|x} {$src, $dst|$dst, $src}",
2351 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
2352 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2353 "movs{bw|x} {$src, $dst|$dst, $src}",
2354 [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2355 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
2356 "movs{bl|x} {$src, $dst|$dst, $src}",
2357 [(set R32:$dst, (sext R8:$src))]>, TB;
2358 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2359 "movs{bl|x} {$src, $dst|$dst, $src}",
2360 [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2361 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
2362 "movs{wl|x} {$src, $dst|$dst, $src}",
2363 [(set R32:$dst, (sext R16:$src))]>, TB;
2364 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2365 "movs{wl|x} {$src, $dst|$dst, $src}",
2366 [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2368 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
2369 "movz{bw|x} {$src, $dst|$dst, $src}",
2370 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
2371 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2372 "movz{bw|x} {$src, $dst|$dst, $src}",
2373 [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2374 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
2375 "movz{bl|x} {$src, $dst|$dst, $src}",
2376 [(set R32:$dst, (zext R8:$src))]>, TB;
2377 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2378 "movz{bl|x} {$src, $dst|$dst, $src}",
2379 [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2380 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
2381 "movz{wl|x} {$src, $dst|$dst, $src}",
2382 [(set R32:$dst, (zext R16:$src))]>, TB;
2383 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2384 "movz{wl|x} {$src, $dst|$dst, $src}",
2385 [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2387 //===----------------------------------------------------------------------===//
2388 // XMM Floating point support (requires SSE / SSE2)
2389 //===----------------------------------------------------------------------===//
2391 def MOVSSrr : I<0x10, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2392 "movss {$src, $dst|$dst, $src}", []>,
2393 Requires<[HasSSE1]>, XS;
2394 def MOVSDrr : I<0x10, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2395 "movsd {$src, $dst|$dst, $src}", []>,
2396 Requires<[HasSSE2]>, XD;
2398 def MOVSSrm : I<0x10, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2399 "movss {$src, $dst|$dst, $src}",
2400 [(set FR32:$dst, (loadf32 addr:$src))]>,
2401 Requires<[HasSSE1]>, XS;
2402 def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, FR32:$src),
2403 "movss {$src, $dst|$dst, $src}",
2404 [(store FR32:$src, addr:$dst)]>,
2405 Requires<[HasSSE1]>, XS;
2406 def MOVSDrm : I<0x10, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2407 "movsd {$src, $dst|$dst, $src}",
2408 [(set FR64:$dst, (loadf64 addr:$src))]>,
2409 Requires<[HasSSE2]>, XD;
2410 def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, FR64:$src),
2411 "movsd {$src, $dst|$dst, $src}",
2412 [(store FR64:$src, addr:$dst)]>,
2413 Requires<[HasSSE2]>, XD;
2415 def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR64:$src),
2416 "cvttsd2si {$src, $dst|$dst, $src}",
2417 [(set R32:$dst, (fp_to_sint FR64:$src))]>,
2418 Requires<[HasSSE2]>, XD;
2419 def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
2420 "cvttsd2si {$src, $dst|$dst, $src}",
2421 [(set R32:$dst, (fp_to_sint (loadf64 addr:$src)))]>,
2422 Requires<[HasSSE2]>, XD;
2423 def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR32:$src),
2424 "cvttss2si {$src, $dst|$dst, $src}",
2425 [(set R32:$dst, (fp_to_sint FR32:$src))]>,
2426 Requires<[HasSSE1]>, XS;
2427 def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
2428 "cvttss2si {$src, $dst|$dst, $src}",
2429 [(set R32:$dst, (fp_to_sint (loadf32 addr:$src)))]>,
2430 Requires<[HasSSE1]>, XS;
2431 def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops FR32:$dst, FR64:$src),
2432 "cvtsd2ss {$src, $dst|$dst, $src}",
2433 [(set FR32:$dst, (fround FR64:$src))]>,
2434 Requires<[HasSSE2]>, XS;
2435 def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops FR32:$dst, f64mem:$src),
2436 "cvtsd2ss {$src, $dst|$dst, $src}",
2437 [(set FR32:$dst, (fround (loadf64 addr:$src)))]>,
2438 Requires<[HasSSE2]>, XS;
2439 def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops FR64:$dst, FR32:$src),
2440 "cvtss2sd {$src, $dst|$dst, $src}",
2441 [(set FR64:$dst, (fextend FR32:$src))]>,
2442 Requires<[HasSSE2]>, XD;
2443 def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops FR64:$dst, f32mem:$src),
2444 "cvtss2sd {$src, $dst|$dst, $src}",
2445 [(set FR64:$dst, (fextend (loadf32 addr:$src)))]>,
2446 Requires<[HasSSE2]>, XD;
2447 def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops FR32:$dst, R32:$src),
2448 "cvtsi2ss {$src, $dst|$dst, $src}",
2449 [(set FR32:$dst, (sint_to_fp R32:$src))]>,
2450 Requires<[HasSSE2]>, XS;
2451 def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops FR32:$dst, i32mem:$src),
2452 "cvtsi2ss {$src, $dst|$dst, $src}",
2453 [(set FR32:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2454 Requires<[HasSSE2]>, XS;
2455 def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops FR64:$dst, R32:$src),
2456 "cvtsi2sd {$src, $dst|$dst, $src}",
2457 [(set FR64:$dst, (sint_to_fp R32:$src))]>,
2458 Requires<[HasSSE2]>, XD;
2459 def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops FR64:$dst, i32mem:$src),
2460 "cvtsi2sd {$src, $dst|$dst, $src}",
2461 [(set FR64:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2462 Requires<[HasSSE2]>, XD;
2464 def SQRTSSrm : I<0x51, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2465 "sqrtss {$src, $dst|$dst, $src}",
2466 [(set FR32:$dst, (fsqrt (loadf32 addr:$src)))]>,
2467 Requires<[HasSSE1]>, XS;
2468 def SQRTSSrr : I<0x51, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2469 "sqrtss {$src, $dst|$dst, $src}",
2470 [(set FR32:$dst, (fsqrt FR32:$src))]>,
2471 Requires<[HasSSE1]>, XS;
2472 def SQRTSDrm : I<0x51, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2473 "sqrtsd {$src, $dst|$dst, $src}",
2474 [(set FR64:$dst, (fsqrt (loadf64 addr:$src)))]>,
2475 Requires<[HasSSE2]>, XD;
2476 def SQRTSDrr : I<0x51, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2477 "sqrtsd {$src, $dst|$dst, $src}",
2478 [(set FR64:$dst, (fsqrt FR64:$src))]>,
2479 Requires<[HasSSE2]>, XD;
2481 def UCOMISDrr: I<0x2E, MRMSrcReg, (ops FR64:$src1, FR64:$src2),
2482 "ucomisd {$src2, $src1|$src1, $src2}",
2483 [(set STATUS, (X86cmp FR64:$src1, FR64:$src2))]>,
2484 Requires<[HasSSE2]>, TB, OpSize;
2485 def UCOMISDrm: I<0x2E, MRMSrcMem, (ops FR64:$src1, f64mem:$src2),
2486 "ucomisd {$src2, $src1|$src1, $src2}",
2487 [(set STATUS, (X86cmp FR64:$src1, (loadf64 addr:$src2)))]>,
2488 Imp<[],[STATUS]>, Requires<[HasSSE2]>, TB, OpSize;
2489 def UCOMISSrr: I<0x2E, MRMSrcReg, (ops FR32:$src1, FR32:$src2),
2490 "ucomiss {$src2, $src1|$src1, $src2}",
2491 [(set STATUS, (X86cmp FR32:$src1, FR32:$src2))]>,
2492 Imp<[],[STATUS]>, Requires<[HasSSE1]>, TB;
2493 def UCOMISSrm: I<0x2E, MRMSrcMem, (ops FR32:$src1, f32mem:$src2),
2494 "ucomiss {$src2, $src1|$src1, $src2}",
2495 [(set STATUS, (X86cmp FR32:$src1, (loadf32 addr:$src2)))]>,
2496 Imp<[],[STATUS]>, Requires<[HasSSE1]>, TB;
2498 // Pseudo-instructions that map fld0 to xorps/xorpd for sse.
2499 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2500 def FLD0SS : I<0x57, MRMSrcReg, (ops FR32:$dst),
2501 "xorps $dst, $dst", [(set FR32:$dst, fp32imm0)]>,
2502 Requires<[HasSSE1]>, TB;
2503 def FLD0SD : I<0x57, MRMSrcReg, (ops FR64:$dst),
2504 "xorpd $dst, $dst", [(set FR64:$dst, fp64imm0)]>,
2505 Requires<[HasSSE2]>, TB, OpSize;
2507 let isTwoAddress = 1 in {
2508 // SSE Scalar Arithmetic
2509 let isCommutable = 1 in {
2510 def ADDSSrr : I<0x58, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2511 "addss {$src2, $dst|$dst, $src2}",
2512 [(set FR32:$dst, (fadd FR32:$src1, FR32:$src2))]>,
2513 Requires<[HasSSE1]>, XS;
2514 def ADDSDrr : I<0x58, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2515 "addsd {$src2, $dst|$dst, $src2}",
2516 [(set FR64:$dst, (fadd FR64:$src1, FR64:$src2))]>,
2517 Requires<[HasSSE2]>, XD;
2518 def MULSSrr : I<0x59, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2519 "mulss {$src2, $dst|$dst, $src2}",
2520 [(set FR32:$dst, (fmul FR32:$src1, FR32:$src2))]>,
2521 Requires<[HasSSE1]>, XS;
2522 def MULSDrr : I<0x59, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2523 "mulsd {$src2, $dst|$dst, $src2}",
2524 [(set FR64:$dst, (fmul FR64:$src1, FR64:$src2))]>,
2525 Requires<[HasSSE2]>, XD;
2528 def ADDSSrm : I<0x58, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2529 "addss {$src2, $dst|$dst, $src2}",
2530 [(set FR32:$dst, (fadd FR32:$src1, (loadf32 addr:$src2)))]>,
2531 Requires<[HasSSE1]>, XS;
2532 def ADDSDrm : I<0x58, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2533 "addsd {$src2, $dst|$dst, $src2}",
2534 [(set FR64:$dst, (fadd FR64:$src1, (loadf64 addr:$src2)))]>,
2535 Requires<[HasSSE2]>, XD;
2536 def MULSSrm : I<0x59, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2537 "mulss {$src2, $dst|$dst, $src2}",
2538 [(set FR32:$dst, (fmul FR32:$src1, (loadf32 addr:$src2)))]>,
2539 Requires<[HasSSE1]>, XS;
2540 def MULSDrm : I<0x59, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2541 "mulsd {$src2, $dst|$dst, $src2}",
2542 [(set FR64:$dst, (fmul FR64:$src1, (loadf64 addr:$src2)))]>,
2543 Requires<[HasSSE2]>, XD;
2545 def DIVSSrr : I<0x5E, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2546 "divss {$src2, $dst|$dst, $src2}",
2547 [(set FR32:$dst, (fdiv FR32:$src1, FR32:$src2))]>,
2548 Requires<[HasSSE1]>, XS;
2549 def DIVSSrm : I<0x5E, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2550 "divss {$src2, $dst|$dst, $src2}",
2551 [(set FR32:$dst, (fdiv FR32:$src1, (loadf32 addr:$src2)))]>,
2552 Requires<[HasSSE1]>, XS;
2553 def DIVSDrr : I<0x5E, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2554 "divsd {$src2, $dst|$dst, $src2}",
2555 [(set FR64:$dst, (fdiv FR64:$src1, FR64:$src2))]>,
2556 Requires<[HasSSE2]>, XD;
2557 def DIVSDrm : I<0x5E, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2558 "divsd {$src2, $dst|$dst, $src2}",
2559 [(set FR64:$dst, (fdiv FR64:$src1, (loadf64 addr:$src2)))]>,
2560 Requires<[HasSSE2]>, XD;
2562 def SUBSSrr : I<0x5C, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2563 "subss {$src2, $dst|$dst, $src2}",
2564 [(set FR32:$dst, (fsub FR32:$src1, FR32:$src2))]>,
2565 Requires<[HasSSE1]>, XS;
2566 def SUBSSrm : I<0x5C, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2567 "subss {$src2, $dst|$dst, $src2}",
2568 [(set FR32:$dst, (fsub FR32:$src1, (loadf32 addr:$src2)))]>,
2569 Requires<[HasSSE1]>, XS;
2570 def SUBSDrr : I<0x5C, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2571 "subsd {$src2, $dst|$dst, $src2}",
2572 [(set FR64:$dst, (fsub FR64:$src1, FR64:$src2))]>,
2573 Requires<[HasSSE2]>, XD;
2574 def SUBSDrm : I<0x5C, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2575 "subsd {$src2, $dst|$dst, $src2}",
2576 [(set FR64:$dst, (fsub FR64:$src1, (loadf64 addr:$src2)))]>,
2577 Requires<[HasSSE2]>, XD;
2580 let isCommutable = 1 in {
2581 def ANDPSrr : I<0x54, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2582 "andps {$src2, $dst|$dst, $src2}", []>,
2583 Requires<[HasSSE1]>, TB;
2584 def ANDPDrr : I<0x54, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2585 "andpd {$src2, $dst|$dst, $src2}", []>,
2586 Requires<[HasSSE2]>, TB, OpSize;
2587 def ORPSrr : I<0x56, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2588 "orps {$src2, $dst|$dst, $src2}", []>,
2589 Requires<[HasSSE1]>, TB;
2590 def ORPDrr : I<0x56, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2591 "orpd {$src2, $dst|$dst, $src2}", []>,
2592 Requires<[HasSSE2]>, TB, OpSize;
2593 def XORPSrr : I<0x57, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2594 "xorps {$src2, $dst|$dst, $src2}", []>,
2595 Requires<[HasSSE1]>, TB;
2596 def XORPDrr : I<0x57, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2597 "xorpd {$src2, $dst|$dst, $src2}", []>,
2598 Requires<[HasSSE2]>, TB, OpSize;
2600 def ANDNPSrr : I<0x55, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2601 "andnps {$src2, $dst|$dst, $src2}", []>,
2602 Requires<[HasSSE1]>, TB;
2603 def ANDNPDrr : I<0x55, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2604 "andnpd {$src2, $dst|$dst, $src2}", []>,
2605 Requires<[HasSSE2]>, TB, OpSize;
2607 def CMPSSrr : I<0xC2, MRMSrcReg,
2608 (ops FR32:$dst, FR32:$src1, FR32:$src, SSECC:$cc),
2609 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2610 Requires<[HasSSE1]>, XS;
2611 def CMPSSrm : I<0xC2, MRMSrcMem,
2612 (ops FR32:$dst, FR32:$src1, f32mem:$src, SSECC:$cc),
2613 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2614 Requires<[HasSSE1]>, XS;
2615 def CMPSDrr : I<0xC2, MRMSrcReg,
2616 (ops FR64:$dst, FR64:$src1, FR64:$src, SSECC:$cc),
2617 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2618 Requires<[HasSSE1]>, XD;
2619 def CMPSDrm : I<0xC2, MRMSrcMem,
2620 (ops FR64:$dst, FR64:$src1, f64mem:$src, SSECC:$cc),
2621 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2622 Requires<[HasSSE2]>, XD;
2625 //===----------------------------------------------------------------------===//
2626 // Floating Point Stack Support
2627 //===----------------------------------------------------------------------===//
2629 // Floating point support. All FP Stack operations are represented with two
2630 // instructions here. The first instruction, generated by the instruction
2631 // selector, uses "RFP" registers: a traditional register file to reference
2632 // floating point values. These instructions are all psuedo instructions and
2633 // use the "Fp" prefix. The second instruction is defined with FPI, which is
2634 // the actual instruction emitted by the assembler. The FP stackifier pass
2635 // converts one to the other after register allocation occurs.
2637 // Note that the FpI instruction should have instruction selection info (e.g.
2638 // a pattern) and the FPI instruction should have emission info (e.g. opcode
2639 // encoding and asm printing info).
2641 // FPI - Floating Point Instruction template.
2642 class FPI<bits<8> o, Format F, dag ops, string asm> : I<o, F, ops, asm, []> {}
2644 // FpI_ - Floating Point Psuedo Instruction template. Not Predicated.
2645 class FpI_<dag ops, FPFormat fp, list<dag> pattern>
2646 : X86Inst<0, Pseudo, NoImm, ops, ""> {
2647 let FPForm = fp; let FPFormBits = FPForm.Value;
2648 let Pattern = pattern;
2651 // Random Pseudo Instructions.
2652 def FpGETRESULT : FpI_<(ops RFP:$dst), SpecialFP,
2653 [(set RFP:$dst, X86fpget)]>; // FPR = ST(0)
2655 let noResults = 1 in
2656 def FpSETRESULT : FpI_<(ops RFP:$src), SpecialFP,
2657 [(X86fpset RFP:$src)]>, Imp<[], [ST0]>; // ST(0) = FPR
2659 // FpI - Floating Point Psuedo Instruction template. Predicated on FPStack.
2660 class FpI<dag ops, FPFormat fp, list<dag> pattern> :
2661 FpI_<ops, fp, pattern>, Requires<[FPStack]>;
2664 def FpMOV : FpI<(ops RFP:$dst, RFP:$src), SpecialFP, []>; // f1 = fmov f2
2667 // Add, Sub, Mul, Div.
2668 def FpADD : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2669 [(set RFP:$dst, (fadd RFP:$src1, RFP:$src2))]>;
2670 def FpSUB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2671 [(set RFP:$dst, (fsub RFP:$src1, RFP:$src2))]>;
2672 def FpMUL : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2673 [(set RFP:$dst, (fmul RFP:$src1, RFP:$src2))]>;
2674 def FpDIV : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2675 [(set RFP:$dst, (fdiv RFP:$src1, RFP:$src2))]>;
2677 class FPST0rInst<bits<8> o, string asm>
2678 : FPI<o, AddRegFrm, (ops RST:$op), asm>, D8;
2679 class FPrST0Inst<bits<8> o, string asm>
2680 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DC;
2681 class FPrST0PInst<bits<8> o, string asm>
2682 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DE;
2684 // Binary Ops with a memory source.
2685 def FpADD32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2686 [(set RFP:$dst, (fadd RFP:$src1,
2687 (extloadf64f32 addr:$src2)))]>;
2688 // ST(0) = ST(0) + [mem32]
2689 def FpADD64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2690 [(set RFP:$dst, (fadd RFP:$src1, (loadf64 addr:$src2)))]>;
2691 // ST(0) = ST(0) + [mem64]
2692 def FpMUL32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2693 [(set RFP:$dst, (fmul RFP:$src1,
2694 (extloadf64f32 addr:$src2)))]>;
2695 // ST(0) = ST(0) * [mem32]
2696 def FpMUL64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2697 [(set RFP:$dst, (fmul RFP:$src1, (loadf64 addr:$src2)))]>;
2698 // ST(0) = ST(0) * [mem64]
2699 def FpSUB32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2700 [(set RFP:$dst, (fsub RFP:$src1,
2701 (extloadf64f32 addr:$src2)))]>;
2702 // ST(0) = ST(0) - [mem32]
2703 def FpSUB64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2704 [(set RFP:$dst, (fsub RFP:$src1, (loadf64 addr:$src2)))]>;
2705 // ST(0) = ST(0) - [mem64]
2706 def FpSUBR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2707 [(set RFP:$dst, (fsub (extloadf64f32 addr:$src2),
2709 // ST(0) = [mem32] - ST(0)
2710 def FpSUBR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2711 [(set RFP:$dst, (fsub (loadf64 addr:$src2), RFP:$src1))]>;
2712 // ST(0) = [mem64] - ST(0)
2713 def FpDIV32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2714 [(set RFP:$dst, (fdiv RFP:$src1,
2715 (extloadf64f32 addr:$src2)))]>;
2716 // ST(0) = ST(0) / [mem32]
2717 def FpDIV64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2718 [(set RFP:$dst, (fdiv RFP:$src1, (loadf64 addr:$src2)))]>;
2719 // ST(0) = ST(0) / [mem64]
2720 def FpDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2721 [(set RFP:$dst, (fdiv (extloadf64f32 addr:$src2),
2723 // ST(0) = [mem32] / ST(0)
2724 def FpDIVR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2725 [(set RFP:$dst, (fdiv (loadf64 addr:$src2), RFP:$src1))]>;
2726 // ST(0) = [mem64] / ST(0)
2729 def FADD32m : FPI<0xD8, MRM0m, (ops f32mem:$src), "fadd{s} $src">;
2730 def FADD64m : FPI<0xDC, MRM0m, (ops f64mem:$src), "fadd{l} $src">;
2731 def FMUL32m : FPI<0xD8, MRM1m, (ops f32mem:$src), "fmul{s} $src">;
2732 def FMUL64m : FPI<0xDC, MRM1m, (ops f64mem:$src), "fmul{l} $src">;
2733 def FSUB32m : FPI<0xD8, MRM4m, (ops f32mem:$src), "fsub{s} $src">;
2734 def FSUB64m : FPI<0xDC, MRM4m, (ops f64mem:$src), "fsub{l} $src">;
2735 def FSUBR32m : FPI<0xD8, MRM5m, (ops f32mem:$src), "fsubr{s} $src">;
2736 def FSUBR64m : FPI<0xDC, MRM5m, (ops f64mem:$src), "fsubr{l} $src">;
2737 def FDIV32m : FPI<0xD8, MRM6m, (ops f32mem:$src), "fdiv{s} $src">;
2738 def FDIV64m : FPI<0xDC, MRM6m, (ops f64mem:$src), "fdiv{l} $src">;
2739 def FDIVR32m : FPI<0xD8, MRM7m, (ops f32mem:$src), "fdivr{s} $src">;
2740 def FDIVR64m : FPI<0xDC, MRM7m, (ops f64mem:$src), "fdivr{l} $src">;
2742 // FIXME: Implement these when we have a dag-dag isel!
2743 def FpIADD16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2744 [(set RFP:$dst, (fadd RFP:$src1,
2745 (X86fild addr:$src2, i16)))]>;
2746 // ST(0) = ST(0) + [mem16int]
2747 def FpIADD32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2748 [(set RFP:$dst, (fadd RFP:$src1,
2749 (X86fild addr:$src2, i32)))]>;
2750 // ST(0) = ST(0) + [mem32int]
2751 def FpIMUL16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2752 [(set RFP:$dst, (fmul RFP:$src1,
2753 (X86fild addr:$src2, i16)))]>;
2754 // ST(0) = ST(0) * [mem16int]
2755 def FpIMUL32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2756 [(set RFP:$dst, (fmul RFP:$src1,
2757 (X86fild addr:$src2, i32)))]>;
2758 // ST(0) = ST(0) * [mem32int]
2759 def FpISUB16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2760 [(set RFP:$dst, (fsub RFP:$src1,
2761 (X86fild addr:$src2, i16)))]>;
2762 // ST(0) = ST(0) - [mem16int]
2763 def FpISUB32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2764 [(set RFP:$dst, (fsub RFP:$src1,
2765 (X86fild addr:$src2, i32)))]>;
2766 // ST(0) = ST(0) - [mem32int]
2767 def FpISUBR16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2768 [(set RFP:$dst, (fsub (X86fild addr:$src2, i16),
2770 // ST(0) = [mem16int] - ST(0)
2771 def FpISUBR32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2772 [(set RFP:$dst, (fsub (X86fild addr:$src2, i32),
2774 // ST(0) = [mem32int] - ST(0)
2775 def FpIDIV16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2776 [(set RFP:$dst, (fdiv RFP:$src1,
2777 (X86fild addr:$src2, i16)))]>;
2778 // ST(0) = ST(0) / [mem16int]
2779 def FpIDIV32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2780 [(set RFP:$dst, (fdiv RFP:$src1,
2781 (X86fild addr:$src2, i32)))]>;
2782 // ST(0) = ST(0) / [mem32int]
2783 def FpIDIVR16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2784 [(set RFP:$dst, (fdiv (X86fild addr:$src2, i16),
2786 // ST(0) = [mem16int] / ST(0)
2787 def FpIDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2788 [(set RFP:$dst, (fdiv (X86fild addr:$src2, i32),
2790 // ST(0) = [mem32int] / ST(0)
2792 def FIADD16m : FPI<0xDE, MRM0m, (ops i16mem:$src), "fiadd{s} $src">;
2793 def FIADD32m : FPI<0xDA, MRM0m, (ops i32mem:$src), "fiadd{l} $src">;
2794 def FIMUL16m : FPI<0xDE, MRM1m, (ops i16mem:$src), "fimul{s} $src">;
2795 def FIMUL32m : FPI<0xDA, MRM1m, (ops i32mem:$src), "fimul{l} $src">;
2796 def FISUB16m : FPI<0xDE, MRM4m, (ops i16mem:$src), "fisub{s} $src">;
2797 def FISUB32m : FPI<0xDA, MRM4m, (ops i32mem:$src), "fisub{l} $src">;
2798 def FISUBR16m : FPI<0xDE, MRM5m, (ops i16mem:$src), "fisubr{s} $src">;
2799 def FISUBR32m : FPI<0xDA, MRM5m, (ops i32mem:$src), "fisubr{l} $src">;
2800 def FIDIV16m : FPI<0xDE, MRM6m, (ops i16mem:$src), "fidiv{s} $src">;
2801 def FIDIV32m : FPI<0xDA, MRM6m, (ops i32mem:$src), "fidiv{s} $src">;
2802 def FIDIVR16m : FPI<0xDE, MRM7m, (ops i16mem:$src), "fidivr{s} $src">;
2803 def FIDIVR32m : FPI<0xDA, MRM7m, (ops i32mem:$src), "fidivr{s} $src">;
2805 // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion
2806 // of some of the 'reverse' forms of the fsub and fdiv instructions. As such,
2807 // we have to put some 'r's in and take them out of weird places.
2808 def FADDST0r : FPST0rInst <0xC0, "fadd $op">;
2809 def FADDrST0 : FPrST0Inst <0xC0, "fadd {%ST(0), $op|$op, %ST(0)}">;
2810 def FADDPrST0 : FPrST0PInst<0xC0, "faddp $op">;
2811 def FSUBRST0r : FPST0rInst <0xE8, "fsubr $op">;
2812 def FSUBrST0 : FPrST0Inst <0xE8, "fsub{r} {%ST(0), $op|$op, %ST(0)}">;
2813 def FSUBPrST0 : FPrST0PInst<0xE8, "fsub{r}p $op">;
2814 def FSUBST0r : FPST0rInst <0xE0, "fsub $op">;
2815 def FSUBRrST0 : FPrST0Inst <0xE0, "fsub{|r} {%ST(0), $op|$op, %ST(0)}">;
2816 def FSUBRPrST0 : FPrST0PInst<0xE0, "fsub{|r}p $op">;
2817 def FMULST0r : FPST0rInst <0xC8, "fmul $op">;
2818 def FMULrST0 : FPrST0Inst <0xC8, "fmul {%ST(0), $op|$op, %ST(0)}">;
2819 def FMULPrST0 : FPrST0PInst<0xC8, "fmulp $op">;
2820 def FDIVRST0r : FPST0rInst <0xF8, "fdivr $op">;
2821 def FDIVrST0 : FPrST0Inst <0xF8, "fdiv{r} {%ST(0), $op|$op, %ST(0)}">;
2822 def FDIVPrST0 : FPrST0PInst<0xF8, "fdiv{r}p $op">;
2823 def FDIVST0r : FPST0rInst <0xF0, "fdiv $op">;
2824 def FDIVRrST0 : FPrST0Inst <0xF0, "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">;
2825 def FDIVRPrST0 : FPrST0PInst<0xF0, "fdiv{|r}p $op">;
2828 // Unary operations.
2829 def FpCHS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2830 [(set RFP:$dst, (fneg RFP:$src))]>;
2831 def FpABS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2832 [(set RFP:$dst, (fabs RFP:$src))]>;
2833 def FpSQRT : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2834 [(set RFP:$dst, (fsqrt RFP:$src))]>;
2835 def FpSIN : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2836 [(set RFP:$dst, (fsin RFP:$src))]>;
2837 def FpCOS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2838 [(set RFP:$dst, (fcos RFP:$src))]>;
2839 def FpTST : FpI<(ops RFP:$src), OneArgFP,
2842 def FCHS : FPI<0xE0, RawFrm, (ops), "fchs">, D9;
2843 def FABS : FPI<0xE1, RawFrm, (ops), "fabs">, D9;
2844 def FSQRT : FPI<0xFA, RawFrm, (ops), "fsqrt">, D9;
2845 def FSIN : FPI<0xFE, RawFrm, (ops), "fsin">, D9;
2846 def FCOS : FPI<0xFF, RawFrm, (ops), "fcos">, D9;
2847 def FTST : FPI<0xE4, RawFrm, (ops), "ftst">, D9;
2850 // Floating point cmovs.
2851 let isTwoAddress = 1 in {
2852 def FpCMOVB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2853 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2854 X86_COND_B, STATUS))]>;
2855 def FpCMOVBE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2856 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2857 X86_COND_BE, STATUS))]>;
2858 def FpCMOVE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2859 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2860 X86_COND_E, STATUS))]>;
2861 def FpCMOVP : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2862 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2863 X86_COND_P, STATUS))]>;
2864 def FpCMOVAE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2865 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2866 X86_COND_AE, STATUS))]>;
2867 def FpCMOVA : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2868 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2869 X86_COND_A, STATUS))]>;
2870 def FpCMOVNE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2871 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2872 X86_COND_NE, STATUS))]>;
2873 def FpCMOVNP : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2874 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2875 X86_COND_NP, STATUS))]>;
2878 def FCMOVB : FPI<0xC0, AddRegFrm, (ops RST:$op),
2879 "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA;
2880 def FCMOVBE : FPI<0xD0, AddRegFrm, (ops RST:$op),
2881 "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
2882 def FCMOVE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2883 "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
2884 def FCMOVP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2885 "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA;
2886 def FCMOVAE : FPI<0xC0, AddRegFrm, (ops RST:$op),
2887 "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
2888 def FCMOVA : FPI<0xD0, AddRegFrm, (ops RST:$op),
2889 "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
2890 def FCMOVNE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2891 "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
2892 def FCMOVNP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2893 "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
2895 // Floating point loads & stores.
2896 def FpLD32m : FpI<(ops RFP:$dst, f32mem:$src), ZeroArgFP,
2897 [(set RFP:$dst, (extloadf64f32 addr:$src))]>;
2898 def FpLD64m : FpI<(ops RFP:$dst, f64mem:$src), ZeroArgFP,
2899 [(set RFP:$dst, (loadf64 addr:$src))]>;
2900 def FpILD16m : FpI<(ops RFP:$dst, i16mem:$src), ZeroArgFP,
2901 [(set RFP:$dst, (X86fild addr:$src, i16))]>;
2902 def FpILD32m : FpI<(ops RFP:$dst, i32mem:$src), ZeroArgFP,
2903 [(set RFP:$dst, (X86fild addr:$src, i32))]>;
2904 def FpILD64m : FpI<(ops RFP:$dst, i64mem:$src), ZeroArgFP,
2905 [(set RFP:$dst, (X86fild addr:$src, i64))]>;
2907 def FpST32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP,
2908 [(truncstore RFP:$src, addr:$op, f32)]>;
2909 def FpST64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP,
2910 [(store RFP:$src, addr:$op)]>;
2912 def FpSTP32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP, []>;
2913 def FpSTP64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP, []>;
2914 def FpIST16m : FpI<(ops i16mem:$op, RFP:$src), OneArgFP, []>;
2915 def FpIST32m : FpI<(ops i32mem:$op, RFP:$src), OneArgFP, []>;
2916 def FpIST64m : FpI<(ops i64mem:$op, RFP:$src), OneArgFP, []>;
2918 def FLD32m : FPI<0xD9, MRM0m, (ops f32mem:$src), "fld{s} $src">;
2919 def FLD64m : FPI<0xDD, MRM0m, (ops f64mem:$src), "fld{l} $src">;
2920 def FILD16m : FPI<0xDF, MRM0m, (ops i16mem:$src), "fild{s} $src">;
2921 def FILD32m : FPI<0xDB, MRM0m, (ops i32mem:$src), "fild{l} $src">;
2922 def FILD64m : FPI<0xDF, MRM5m, (ops i64mem:$src), "fild{ll} $src">;
2923 def FST32m : FPI<0xD9, MRM2m, (ops f32mem:$dst), "fst{s} $dst">;
2924 def FST64m : FPI<0xDD, MRM2m, (ops f64mem:$dst), "fst{l} $dst">;
2925 def FSTP32m : FPI<0xD9, MRM3m, (ops f32mem:$dst), "fstp{s} $dst">;
2926 def FSTP64m : FPI<0xDD, MRM3m, (ops f64mem:$dst), "fstp{l} $dst">;
2927 def FIST16m : FPI<0xDF, MRM2m, (ops i16mem:$dst), "fist{s} $dst">;
2928 def FIST32m : FPI<0xDB, MRM2m, (ops i32mem:$dst), "fist{l} $dst">;
2929 def FISTP16m : FPI<0xDF, MRM3m, (ops i16mem:$dst), "fistp{s} $dst">;
2930 def FISTP32m : FPI<0xDB, MRM3m, (ops i32mem:$dst), "fistp{l} $dst">;
2931 def FISTP64m : FPI<0xDF, MRM7m, (ops i64mem:$dst), "fistp{ll} $dst">;
2933 // FP Stack manipulation instructions.
2934 def FLDrr : FPI<0xC0, AddRegFrm, (ops RST:$op), "fld $op">, D9;
2935 def FSTrr : FPI<0xD0, AddRegFrm, (ops RST:$op), "fst $op">, DD;
2936 def FSTPrr : FPI<0xD8, AddRegFrm, (ops RST:$op), "fstp $op">, DD;
2937 def FXCH : FPI<0xC8, AddRegFrm, (ops RST:$op), "fxch $op">, D9;
2939 // Floating point constant loads.
2940 def FpLD0 : FpI<(ops RFP:$dst), ZeroArgFP,
2941 [(set RFP:$dst, fp64imm0)]>;
2942 def FpLD1 : FpI<(ops RFP:$dst), ZeroArgFP,
2943 [(set RFP:$dst, fp64imm1)]>;
2945 def FLD0 : FPI<0xEE, RawFrm, (ops), "fldz">, D9;
2946 def FLD1 : FPI<0xE8, RawFrm, (ops), "fld1">, D9;
2949 // Floating point compares.
2950 def FpUCOMr : FpI<(ops RFP:$lhs, RFP:$rhs), CompareFP,
2951 []>; // FPSW = cmp ST(0) with ST(i)
2952 def FpUCOMIr : FpI<(ops RFP:$lhs, RFP:$rhs), CompareFP,
2953 [(set STATUS, (X86cmp RFP:$lhs, RFP:$rhs))]>,
2954 Imp<[],[STATUS]>; // CC = cmp ST(0) with ST(i)
2956 def FUCOMr : FPI<0xE0, AddRegFrm, // FPSW = cmp ST(0) with ST(i)
2958 "fucom $reg">, DD, Imp<[ST0],[]>;
2959 def FUCOMPr : FPI<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
2961 "fucomp $reg">, DD, Imp<[ST0],[]>;
2962 def FUCOMPPr : FPI<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
2964 "fucompp">, DA, Imp<[ST0],[]>;
2966 def FUCOMIr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i)
2968 "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>;
2969 def FUCOMIPr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
2971 "fucomip {$reg, %ST(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>;
2974 // Floating point flag ops.
2975 def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
2976 (ops), "fnstsw", []>, DF, Imp<[],[AX]>;
2978 def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
2979 (ops i16mem:$dst), "fnstcw $dst", []>;
2980 def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
2981 (ops i16mem:$dst), "fldcw $dst", []>;
2984 //===----------------------------------------------------------------------===//
2985 // Miscellaneous Instructions
2986 //===----------------------------------------------------------------------===//
2988 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
2989 TB, Imp<[],[EAX,EDX]>;
2992 //===----------------------------------------------------------------------===//
2993 // Non-Instruction Patterns
2994 //===----------------------------------------------------------------------===//
2996 // GlobalAddress and ExternalSymbol
2997 def : Pat<(i32 globaladdr:$dst), (MOV32ri tglobaladdr:$dst)>;
2998 def : Pat<(i32 externalsym:$dst), (MOV32ri texternalsym:$dst)>;
3001 def : Pat<(X86call tglobaladdr:$dst),
3002 (CALLpcrel32 tglobaladdr:$dst)>;
3003 def : Pat<(X86call texternalsym:$dst),
3004 (CALLpcrel32 texternalsym:$dst)>;
3006 // X86 specific add which produces a flag.
3007 def : Pat<(X86addflag R32:$src1, R32:$src2),
3008 (ADD32rr R32:$src1, R32:$src2)>;
3009 def : Pat<(X86addflag R32:$src1, (load addr:$src2)),
3010 (ADD32rm R32:$src1, addr:$src2)>;
3011 def : Pat<(X86addflag R32:$src1, imm:$src2),
3012 (ADD32ri R32:$src1, imm:$src2)>;
3013 def : Pat<(X86addflag R32:$src1, i32immSExt8:$src2),
3014 (ADD32ri8 R32:$src1, i32immSExt8:$src2)>;
3016 def : Pat<(X86subflag R32:$src1, R32:$src2),
3017 (SUB32rr R32:$src1, R32:$src2)>;
3018 def : Pat<(X86subflag R32:$src1, (load addr:$src2)),
3019 (SUB32rm R32:$src1, addr:$src2)>;
3020 def : Pat<(X86subflag R32:$src1, imm:$src2),
3021 (SUB32ri R32:$src1, imm:$src2)>;
3022 def : Pat<(X86subflag R32:$src1, i32immSExt8:$src2),
3023 (SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
3025 def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
3026 (MOV8mi addr:$dst, imm:$src)>;
3027 def : Pat<(truncstore R8:$src, addr:$dst, i1),
3028 (MOV8mr addr:$dst, R8:$src)>;
3030 // {s|z}extload bool -> {s|z}extload byte
3031 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
3032 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
3033 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3034 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3036 // extload bool -> extload byte
3037 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3040 def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
3041 def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
3042 def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
3044 // Required for RET of f32 / f64 values.
3045 def : Pat<(X86fld addr:$src, f32), (FpLD32m addr:$src)>;
3046 def : Pat<(X86fld addr:$src, f64), (FpLD64m addr:$src)>;
3048 // Required for CALL which return f32 / f64 values.
3049 def : Pat<(X86fst RFP:$src, addr:$op, f32), (FpST32m addr:$op, RFP:$src)>;
3050 def : Pat<(X86fst RFP:$src, addr:$op, f64), (FpST64m addr:$op, RFP:$src)>;
3052 // Floatin point constant -0.0 and -1.0
3053 def : Pat<(f64 fp64immneg0), (FpCHS (FpLD0))>, Requires<[FPStack]>;
3054 def : Pat<(f64 fp64immneg1), (FpCHS (FpLD1))>, Requires<[FPStack]>;
3057 def : Pat<(f64 (undef)), (FpLD0)>, Requires<[FPStack]>;
3060 //===----------------------------------------------------------------------===//
3062 //===----------------------------------------------------------------------===//
3064 // (shl x, 1) ==> (add x, x)
3065 def : Pat<(shl R8 :$src1, (i8 1)), (ADD8rr R8 :$src1, R8 :$src1)>;
3066 def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
3067 def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;