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>]>;
56 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
58 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
60 def X86addflag : SDNode<"X86ISD::ADD_FLAG", SDTIntBinOp ,
61 [SDNPCommutative, SDNPAssociative, SDNPOutFlag]>;
62 def X86subflag : SDNode<"X86ISD::SUB_FLAG", SDTIntBinOp,
64 def X86adc : SDNode<"X86ISD::ADC" , SDTIntBinOp ,
65 [SDNPCommutative, SDNPAssociative]>;
66 def X86sbb : SDNode<"X86ISD::SBB" , SDTIntBinOp>;
68 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
69 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
71 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest, []>;
72 def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest, []>;
74 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
76 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
78 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
81 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
82 [SDNPHasChain, SDNPOptInFlag]>;
84 def X86callseq_start :
85 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
88 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
91 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
92 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
94 def X86fpget : SDNode<"X86ISD::FP_GET_RESULT", SDTX86FpGet,
95 [SDNPHasChain, SDNPInFlag]>;
96 def X86fpset : SDNode<"X86ISD::FP_SET_RESULT", SDTX86FpSet,
97 [SDNPHasChain, SDNPOutFlag]>;
99 def X86fld : SDNode<"X86ISD::FLD", SDTX86Fld,
101 def X86fst : SDNode<"X86ISD::FST", SDTX86Fst,
103 def X86fild : SDNode<"X86ISD::FILD", SDTX86Fild,
106 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
107 [SDNPHasChain, SDNPInFlag]>;
108 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
109 [SDNPHasChain, SDNPInFlag]>;
111 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
112 [SDNPHasChain, SDNPOutFlag]>;
114 //===----------------------------------------------------------------------===//
115 // X86 Operand Definitions.
118 // *mem - Operand definitions for the funky X86 addressing mode operands.
120 class X86MemOperand<string printMethod> : Operand<i32> {
121 let PrintMethod = printMethod;
122 let NumMIOperands = 4;
123 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
126 def i8mem : X86MemOperand<"printi8mem">;
127 def i16mem : X86MemOperand<"printi16mem">;
128 def i32mem : X86MemOperand<"printi32mem">;
129 def i64mem : X86MemOperand<"printi64mem">;
130 def f32mem : X86MemOperand<"printf32mem">;
131 def f64mem : X86MemOperand<"printf64mem">;
132 def f80mem : X86MemOperand<"printf80mem">;
134 def SSECC : Operand<i8> {
135 let PrintMethod = "printSSECC";
138 // A couple of more descriptive operand definitions.
139 // 16-bits but only 8 bits are significant.
140 def i16i8imm : Operand<i16>;
141 // 32-bits but only 8 bits are significant.
142 def i32i8imm : Operand<i32>;
144 // PCRelative calls need special operand formatting.
145 let PrintMethod = "printCallOperand" in
146 def calltarget : Operand<i32>;
148 // Branch targets have OtherVT type.
149 def brtarget : Operand<OtherVT>;
151 //===----------------------------------------------------------------------===//
152 // X86 Complex Pattern Definitions.
155 // Define X86 specific addressing mode.
156 def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
157 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
158 [add, frameindex, constpool]>;
160 //===----------------------------------------------------------------------===//
161 // X86 Instruction Format Definitions.
164 // Format specifies the encoding used by the instruction. This is part of the
165 // ad-hoc solution used to emit machine instruction encodings by our machine
167 class Format<bits<5> val> {
171 def Pseudo : Format<0>; def RawFrm : Format<1>;
172 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
173 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
174 def MRMSrcMem : Format<6>;
175 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
176 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
177 def MRM6r : Format<22>; def MRM7r : Format<23>;
178 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
179 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
180 def MRM6m : Format<30>; def MRM7m : Format<31>;
182 //===----------------------------------------------------------------------===//
183 // X86 Instruction Predicate Definitions.
184 def HasSSE1 : Predicate<"X86Vector >= SSE">;
185 def HasSSE2 : Predicate<"X86Vector >= SSE2">;
186 def HasSSE3 : Predicate<"X86Vector >= SSE3">;
187 def FPStack : Predicate<"X86Vector < SSE2">;
189 //===----------------------------------------------------------------------===//
190 // X86 specific pattern fragments.
193 // ImmType - This specifies the immediate type used by an instruction. This is
194 // part of the ad-hoc solution used to emit machine instruction encodings by our
195 // machine code emitter.
196 class ImmType<bits<2> val> {
199 def NoImm : ImmType<0>;
200 def Imm8 : ImmType<1>;
201 def Imm16 : ImmType<2>;
202 def Imm32 : ImmType<3>;
204 // FPFormat - This specifies what form this FP instruction has. This is used by
205 // the Floating-Point stackifier pass.
206 class FPFormat<bits<3> val> {
209 def NotFP : FPFormat<0>;
210 def ZeroArgFP : FPFormat<1>;
211 def OneArgFP : FPFormat<2>;
212 def OneArgFPRW : FPFormat<3>;
213 def TwoArgFP : FPFormat<4>;
214 def CompareFP : FPFormat<5>;
215 def CondMovFP : FPFormat<6>;
216 def SpecialFP : FPFormat<7>;
219 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
221 let Namespace = "X86";
223 bits<8> Opcode = opcod;
225 bits<5> FormBits = Form.Value;
227 bits<2> ImmTypeBits = ImmT.Value;
229 dag OperandList = ops;
230 string AsmString = AsmStr;
233 // Attributes specific to X86 instructions...
235 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
237 bits<4> Prefix = 0; // Which prefix byte does this inst have?
238 FPFormat FPForm; // What flavor of FP instruction is this?
239 bits<3> FPFormBits = 0;
242 class Imp<list<Register> uses, list<Register> defs> {
243 list<Register> Uses = uses;
244 list<Register> Defs = defs;
248 // Prefix byte classes which are used to indicate to the ad-hoc machine code
249 // emitter that various prefix bytes are required.
250 class OpSize { bit hasOpSizePrefix = 1; }
251 class TB { bits<4> Prefix = 1; }
252 class REP { bits<4> Prefix = 2; }
253 class D8 { bits<4> Prefix = 3; }
254 class D9 { bits<4> Prefix = 4; }
255 class DA { bits<4> Prefix = 5; }
256 class DB { bits<4> Prefix = 6; }
257 class DC { bits<4> Prefix = 7; }
258 class DD { bits<4> Prefix = 8; }
259 class DE { bits<4> Prefix = 9; }
260 class DF { bits<4> Prefix = 10; }
261 class XD { bits<4> Prefix = 11; }
262 class XS { bits<4> Prefix = 12; }
265 //===----------------------------------------------------------------------===//
266 // Pattern fragments...
269 // X86 specific condition code. These correspond to CondCode in
270 // X86ISelLowering.h. They must be kept in synch.
271 def X86_COND_A : PatLeaf<(i8 0)>;
272 def X86_COND_AE : PatLeaf<(i8 1)>;
273 def X86_COND_B : PatLeaf<(i8 2)>;
274 def X86_COND_BE : PatLeaf<(i8 3)>;
275 def X86_COND_E : PatLeaf<(i8 4)>;
276 def X86_COND_G : PatLeaf<(i8 5)>;
277 def X86_COND_GE : PatLeaf<(i8 6)>;
278 def X86_COND_L : PatLeaf<(i8 7)>;
279 def X86_COND_LE : PatLeaf<(i8 8)>;
280 def X86_COND_NE : PatLeaf<(i8 9)>;
281 def X86_COND_NO : PatLeaf<(i8 10)>;
282 def X86_COND_NP : PatLeaf<(i8 11)>;
283 def X86_COND_NS : PatLeaf<(i8 12)>;
284 def X86_COND_O : PatLeaf<(i8 13)>;
285 def X86_COND_P : PatLeaf<(i8 14)>;
286 def X86_COND_S : PatLeaf<(i8 15)>;
288 def i16immSExt8 : PatLeaf<(i16 imm), [{
289 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
290 // sign extended field.
291 return (int)N->getValue() == (signed char)N->getValue();
294 def i32immSExt8 : PatLeaf<(i32 imm), [{
295 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
296 // sign extended field.
297 return (int)N->getValue() == (signed char)N->getValue();
300 def i16immZExt8 : PatLeaf<(i16 imm), [{
301 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
303 return (unsigned)N->getValue() == (unsigned char)N->getValue();
306 def fp32imm0 : PatLeaf<(f32 fpimm), [{
307 return N->isExactlyValue(+0.0);
310 def fp64imm0 : PatLeaf<(f64 fpimm), [{
311 return N->isExactlyValue(+0.0);
314 def fp64immneg0 : PatLeaf<(f64 fpimm), [{
315 return N->isExactlyValue(-0.0);
318 def fp64imm1 : PatLeaf<(f64 fpimm), [{
319 return N->isExactlyValue(+1.0);
322 def fp64immneg1 : PatLeaf<(f64 fpimm), [{
323 return N->isExactlyValue(-1.0);
326 // Helper fragments for loads.
327 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
328 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
329 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
330 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
331 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
333 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
334 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
335 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
336 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
337 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
339 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
340 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
341 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
342 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
343 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
345 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
346 def extloadf64f32 : PatFrag<(ops node:$ptr), (f64 (extload node:$ptr, f32))>;
348 //===----------------------------------------------------------------------===//
349 // Instruction templates...
351 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
352 : X86Inst<o, f, NoImm, ops, asm> {
353 let Pattern = pattern;
355 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
356 : X86Inst<o, f, Imm8 , ops, asm> {
357 let Pattern = pattern;
359 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
360 : X86Inst<o, f, Imm16, ops, asm> {
361 let Pattern = pattern;
363 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
364 : X86Inst<o, f, Imm32, ops, asm> {
365 let Pattern = pattern;
368 //===----------------------------------------------------------------------===//
369 // Instruction list...
372 // Pseudo-instructions:
373 def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE", []>; // PHI node.
375 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
376 [(X86callseq_start imm:$amt)]>;
377 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
379 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
380 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
381 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
382 def IMPLICIT_DEF_R8 : I<0, Pseudo, (ops R8:$dst),
383 "#IMPLICIT_DEF $dst",
384 [(set R8:$dst, (undef))]>;
385 def IMPLICIT_DEF_R16 : I<0, Pseudo, (ops R16:$dst),
386 "#IMPLICIT_DEF $dst",
387 [(set R16:$dst, (undef))]>;
388 def IMPLICIT_DEF_R32 : I<0, Pseudo, (ops R32:$dst),
389 "#IMPLICIT_DEF $dst",
390 [(set R32:$dst, (undef))]>;
391 def IMPLICIT_DEF_FR32 : I<0, Pseudo, (ops FR32:$dst),
392 "#IMPLICIT_DEF $dst",
393 [(set FR32:$dst, (undef))]>, Requires<[HasSSE2]>;
394 def IMPLICIT_DEF_FR64 : I<0, Pseudo, (ops FR64:$dst),
395 "#IMPLICIT_DEF $dst",
396 [(set FR64:$dst, (undef))]>, Requires<[HasSSE2]>;
399 // CMOV* - Used to implement the SSE SELECT DAG operation. Expanded by the
400 // scheduler into a branch sequence.
401 let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler.
402 def CMOV_FR32 : I<0, Pseudo,
403 (ops FR32:$dst, FR32:$t, FR32:$f, i8imm:$cond),
405 [(set FR32:$dst, (X86cmov FR32:$t, FR32:$f, imm:$cond,
407 def CMOV_FR64 : I<0, Pseudo,
408 (ops FR64:$dst, FR64:$t, FR64:$f, i8imm:$cond),
410 [(set FR64:$dst, (X86cmov FR64:$t, FR64:$f, imm:$cond,
414 let isTerminator = 1 in
415 let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
416 def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL", []>;
420 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
422 //===----------------------------------------------------------------------===//
423 // Control Flow Instructions...
426 // Return instructions.
427 let isTerminator = 1, isReturn = 1, isBarrier = 1,
428 hasCtrlDep = 1, noResults = 1 in {
429 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
430 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
431 [(X86retflag imm:$amt)]>;
434 // All branches are RawFrm, Void, Branch, and Terminators
435 let isBranch = 1, isTerminator = 1, noResults = 1 in
436 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
437 I<opcode, RawFrm, ops, asm, pattern>;
439 // Conditional branches
441 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
443 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
444 [(X86brcond bb:$dst, X86_COND_E, STATUS)]>, Imp<[STATUS],[]>, TB;
445 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
446 [(X86brcond bb:$dst, X86_COND_NE, STATUS)]>, Imp<[STATUS],[]>, TB;
447 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
448 [(X86brcond bb:$dst, X86_COND_L, STATUS)]>, Imp<[STATUS],[]>, TB;
449 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
450 [(X86brcond bb:$dst, X86_COND_LE, STATUS)]>, Imp<[STATUS],[]>, TB;
451 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
452 [(X86brcond bb:$dst, X86_COND_G, STATUS)]>, Imp<[STATUS],[]>, TB;
453 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
454 [(X86brcond bb:$dst, X86_COND_GE, STATUS)]>, Imp<[STATUS],[]>, TB;
456 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
457 [(X86brcond bb:$dst, X86_COND_B, STATUS)]>, Imp<[STATUS],[]>, TB;
458 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
459 [(X86brcond bb:$dst, X86_COND_BE, STATUS)]>, Imp<[STATUS],[]>, TB;
460 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
461 [(X86brcond bb:$dst, X86_COND_A, STATUS)]>, Imp<[STATUS],[]>, TB;
462 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
463 [(X86brcond bb:$dst, X86_COND_AE, STATUS)]>, Imp<[STATUS],[]>, TB;
465 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
466 [(X86brcond bb:$dst, X86_COND_S, STATUS)]>, Imp<[STATUS],[]>, TB;
467 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
468 [(X86brcond bb:$dst, X86_COND_NS, STATUS)]>, Imp<[STATUS],[]>, TB;
469 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
470 [(X86brcond bb:$dst, X86_COND_P, STATUS)]>, Imp<[STATUS],[]>, TB;
471 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
472 [(X86brcond bb:$dst, X86_COND_NP, STATUS)]>, Imp<[STATUS],[]>, TB;
473 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
474 [(X86brcond bb:$dst, X86_COND_O, STATUS)]>, Imp<[STATUS],[]>, TB;
475 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
476 [(X86brcond bb:$dst, X86_COND_NO, STATUS)]>, Imp<[STATUS],[]>, TB;
478 //===----------------------------------------------------------------------===//
479 // Call Instructions...
481 let isCall = 1, noResults = 1 in
482 // All calls clobber the non-callee saved registers...
483 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
484 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
485 def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst",
487 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
488 [(X86call R32:$dst)]>;
489 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
490 [(X86call (loadi32 addr:$dst))]>;
494 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
495 def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL", []>;
496 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
497 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
498 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
499 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
500 "jmp {*}$dst # TAIL CALL", []>;
502 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
503 // way, except that it is marked as being a terminator. This causes the epilog
504 // inserter to insert reloads of callee saved registers BEFORE this. We need
505 // this until we have a more accurate way of tracking where the stack pointer is
506 // within a function.
507 let isTerminator = 1, isTwoAddress = 1 in
508 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
509 "add{l} {$src2, $dst|$dst, $src2}", []>;
511 //===----------------------------------------------------------------------===//
512 // Miscellaneous Instructions...
514 def LEAVE : I<0xC9, RawFrm,
515 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
516 def POP32r : I<0x58, AddRegFrm,
517 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
519 let isTwoAddress = 1 in // R32 = bswap R32
520 def BSWAP32r : I<0xC8, AddRegFrm,
521 (ops R32:$dst, R32:$src), "bswap{l} $dst", []>, TB;
523 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
524 (ops R8:$src1, R8:$src2),
525 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
526 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
527 (ops R16:$src1, R16:$src2),
528 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
529 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
530 (ops R32:$src1, R32:$src2),
531 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
533 def XCHG8mr : I<0x86, MRMDestMem,
534 (ops i8mem:$src1, R8:$src2),
535 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
536 def XCHG16mr : I<0x87, MRMDestMem,
537 (ops i16mem:$src1, R16:$src2),
538 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
539 def XCHG32mr : I<0x87, MRMDestMem,
540 (ops i32mem:$src1, R32:$src2),
541 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
542 def XCHG8rm : I<0x86, MRMSrcMem,
543 (ops R8:$src1, i8mem:$src2),
544 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
545 def XCHG16rm : I<0x87, MRMSrcMem,
546 (ops R16:$src1, i16mem:$src2),
547 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
548 def XCHG32rm : I<0x87, MRMSrcMem,
549 (ops R32:$src1, i32mem:$src2),
550 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
552 def LEA16r : I<0x8D, MRMSrcMem,
553 (ops R16:$dst, i32mem:$src),
554 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
555 def LEA32r : I<0x8D, MRMSrcMem,
556 (ops R32:$dst, i32mem:$src),
557 "lea{l} {$src|$dst}, {$dst|$src}",
558 [(set R32:$dst, leaaddr:$src)]>;
560 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
562 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
563 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
564 [(X86rep_movs i16)]>,
565 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
566 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}",
567 [(X86rep_movs i32)]>,
568 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
570 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
572 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
573 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
574 [(X86rep_stos i16)]>,
575 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
576 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
577 [(X86rep_stos i32)]>,
578 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
581 //===----------------------------------------------------------------------===//
582 // Input/Output Instructions...
584 def IN8rr : I<0xEC, RawFrm, (ops),
585 "in{b} {%dx, %al|%AL, %DX}",
586 [(set AL, (readport DX))]>, Imp<[DX], [AL]>;
587 def IN16rr : I<0xED, RawFrm, (ops),
588 "in{w} {%dx, %ax|%AX, %DX}",
589 [(set AX, (readport DX))]>, Imp<[DX], [AX]>, OpSize;
590 def IN32rr : I<0xED, RawFrm, (ops),
591 "in{l} {%dx, %eax|%EAX, %DX}",
592 [(set EAX, (readport DX))]>, Imp<[DX],[EAX]>;
594 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
595 "in{b} {$port, %al|%AL, $port}",
596 [(set AL, (readport i16immZExt8:$port))]>,
598 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
599 "in{w} {$port, %ax|%AX, $port}",
600 [(set AX, (readport i16immZExt8:$port))]>,
601 Imp<[], [AX]>, OpSize;
602 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
603 "in{l} {$port, %eax|%EAX, $port}",
604 [(set EAX, (readport i16immZExt8:$port))]>,
607 def OUT8rr : I<0xEE, RawFrm, (ops),
608 "out{b} {%al, %dx|%DX, %AL}",
609 [(writeport AL, DX)]>, Imp<[DX, AL], []>;
610 def OUT16rr : I<0xEF, RawFrm, (ops),
611 "out{w} {%ax, %dx|%DX, %AX}",
612 [(writeport AX, DX)]>, Imp<[DX, AX], []>, OpSize;
613 def OUT32rr : I<0xEF, RawFrm, (ops),
614 "out{l} {%eax, %dx|%DX, %EAX}",
615 [(writeport EAX, DX)]>, Imp<[DX, EAX], []>;
617 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
618 "out{b} {%al, $port|$port, %AL}",
619 [(writeport AL, i16immZExt8:$port)]>,
621 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
622 "out{w} {%ax, $port|$port, %AX}",
623 [(writeport AX, i16immZExt8:$port)]>,
624 Imp<[AX], []>, OpSize;
625 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
626 "out{l} {%eax, $port|$port, %EAX}",
627 [(writeport EAX, i16immZExt8:$port)]>,
630 //===----------------------------------------------------------------------===//
631 // Move Instructions...
633 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
634 "mov{b} {$src, $dst|$dst, $src}", []>;
635 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
636 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
637 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
638 "mov{l} {$src, $dst|$dst, $src}", []>;
639 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
640 "mov{b} {$src, $dst|$dst, $src}",
641 [(set R8:$dst, imm:$src)]>;
642 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
643 "mov{w} {$src, $dst|$dst, $src}",
644 [(set R16:$dst, imm:$src)]>, OpSize;
645 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
646 "mov{l} {$src, $dst|$dst, $src}",
647 [(set R32:$dst, imm:$src)]>;
648 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
649 "mov{b} {$src, $dst|$dst, $src}",
650 [(store (i8 imm:$src), addr:$dst)]>;
651 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
652 "mov{w} {$src, $dst|$dst, $src}",
653 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
654 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
655 "mov{l} {$src, $dst|$dst, $src}",
656 [(store (i32 imm:$src), addr:$dst)]>;
658 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
659 "mov{b} {$src, $dst|$dst, $src}",
660 [(set R8:$dst, (load addr:$src))]>;
661 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
662 "mov{w} {$src, $dst|$dst, $src}",
663 [(set R16:$dst, (load addr:$src))]>, OpSize;
664 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
665 "mov{l} {$src, $dst|$dst, $src}",
666 [(set R32:$dst, (load addr:$src))]>;
668 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
669 "mov{b} {$src, $dst|$dst, $src}",
670 [(store R8:$src, addr:$dst)]>;
671 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
672 "mov{w} {$src, $dst|$dst, $src}",
673 [(store R16:$src, addr:$dst)]>, OpSize;
674 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
675 "mov{l} {$src, $dst|$dst, $src}",
676 [(store R32:$src, addr:$dst)]>;
678 //===----------------------------------------------------------------------===//
679 // Fixed-Register Multiplication and Division Instructions...
682 // Extra precision multiplication
683 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src", []>,
684 Imp<[AL],[AX]>; // AL,AH = AL*R8
685 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
686 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
687 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
688 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
689 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
690 "mul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
691 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
692 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
693 OpSize; // AX,DX = AX*[mem16]
694 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
695 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
697 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
698 Imp<[AL],[AX]>; // AL,AH = AL*R8
699 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
700 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
701 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
702 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
703 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
704 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
705 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
706 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
707 OpSize; // AX,DX = AX*[mem16]
708 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
710 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
712 // unsigned division/remainder
713 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
714 "div{b} $src", []>, Imp<[AX],[AX]>;
715 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
716 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
717 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
718 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
719 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
720 "div{b} $src", []>, Imp<[AX],[AX]>;
721 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
722 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
723 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
724 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
726 // Signed division/remainder.
727 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
728 "idiv{b} $src", []>, Imp<[AX],[AX]>;
729 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
730 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
731 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
732 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
733 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
734 "idiv{b} $src", []>, Imp<[AX],[AX]>;
735 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
736 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
737 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
738 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
740 // Sign-extenders for division.
741 def CBW : I<0x98, RawFrm, (ops),
742 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
743 def CWD : I<0x99, RawFrm, (ops),
744 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
745 def CDQ : I<0x99, RawFrm, (ops),
746 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
749 //===----------------------------------------------------------------------===//
750 // Two address Instructions...
752 let isTwoAddress = 1 in {
755 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
756 (ops R16:$dst, R16:$src1, R16:$src2),
757 "cmovb {$src2, $dst|$dst, $src2}",
758 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
759 X86_COND_B, STATUS))]>,
760 Imp<[STATUS],[]>, TB, OpSize;
761 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
762 (ops R16:$dst, R16:$src1, i16mem:$src2),
763 "cmovb {$src2, $dst|$dst, $src2}",
764 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
765 X86_COND_B, STATUS))]>,
766 Imp<[STATUS],[]>, TB, OpSize;
767 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
768 (ops R32:$dst, R32:$src1, R32:$src2),
769 "cmovb {$src2, $dst|$dst, $src2}",
770 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
771 X86_COND_B, STATUS))]>,
772 Imp<[STATUS],[]>, TB;
773 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
774 (ops R32:$dst, R32:$src1, i32mem:$src2),
775 "cmovb {$src2, $dst|$dst, $src2}",
776 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
777 X86_COND_B, STATUS))]>,
778 Imp<[STATUS],[]>, TB;
780 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
781 (ops R16:$dst, R16:$src1, R16:$src2),
782 "cmovae {$src2, $dst|$dst, $src2}",
783 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
784 X86_COND_AE, STATUS))]>,
785 Imp<[STATUS],[]>, TB, OpSize;
786 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
787 (ops R16:$dst, R16:$src1, i16mem:$src2),
788 "cmovae {$src2, $dst|$dst, $src2}",
789 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
790 X86_COND_AE, STATUS))]>,
791 Imp<[STATUS],[]>, TB, OpSize;
792 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
793 (ops R32:$dst, R32:$src1, R32:$src2),
794 "cmovae {$src2, $dst|$dst, $src2}",
795 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
796 X86_COND_AE, STATUS))]>,
797 Imp<[STATUS],[]>, TB;
798 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
799 (ops R32:$dst, R32:$src1, i32mem:$src2),
800 "cmovae {$src2, $dst|$dst, $src2}",
801 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
802 X86_COND_AE, STATUS))]>,
803 Imp<[STATUS],[]>, TB;
805 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
806 (ops R16:$dst, R16:$src1, R16:$src2),
807 "cmove {$src2, $dst|$dst, $src2}",
808 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
809 X86_COND_E, STATUS))]>,
810 Imp<[STATUS],[]>, TB, OpSize;
811 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
812 (ops R16:$dst, R16:$src1, i16mem:$src2),
813 "cmove {$src2, $dst|$dst, $src2}",
814 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
815 X86_COND_E, STATUS))]>,
816 Imp<[STATUS],[]>, TB, OpSize;
817 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
818 (ops R32:$dst, R32:$src1, R32:$src2),
819 "cmove {$src2, $dst|$dst, $src2}",
820 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
821 X86_COND_E, STATUS))]>,
822 Imp<[STATUS],[]>, TB;
823 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
824 (ops R32:$dst, R32:$src1, i32mem:$src2),
825 "cmove {$src2, $dst|$dst, $src2}",
826 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
827 X86_COND_E, STATUS))]>,
828 Imp<[STATUS],[]>, TB;
830 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
831 (ops R16:$dst, R16:$src1, R16:$src2),
832 "cmovne {$src2, $dst|$dst, $src2}",
833 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
834 X86_COND_NE, STATUS))]>,
835 Imp<[STATUS],[]>, TB, OpSize;
836 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
837 (ops R16:$dst, R16:$src1, i16mem:$src2),
838 "cmovne {$src2, $dst|$dst, $src2}",
839 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
840 X86_COND_NE, STATUS))]>,
841 Imp<[STATUS],[]>, TB, OpSize;
842 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
843 (ops R32:$dst, R32:$src1, R32:$src2),
844 "cmovne {$src2, $dst|$dst, $src2}",
845 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
846 X86_COND_NE, STATUS))]>,
847 Imp<[STATUS],[]>, TB;
848 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
849 (ops R32:$dst, R32:$src1, i32mem:$src2),
850 "cmovne {$src2, $dst|$dst, $src2}",
851 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
852 X86_COND_NE, STATUS))]>,
853 Imp<[STATUS],[]>, TB;
855 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
856 (ops R16:$dst, R16:$src1, R16:$src2),
857 "cmovbe {$src2, $dst|$dst, $src2}",
858 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
859 X86_COND_BE, STATUS))]>,
860 Imp<[STATUS],[]>, TB, OpSize;
861 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
862 (ops R16:$dst, R16:$src1, i16mem:$src2),
863 "cmovbe {$src2, $dst|$dst, $src2}",
864 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
865 X86_COND_BE, STATUS))]>,
866 Imp<[STATUS],[]>, TB, OpSize;
867 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
868 (ops R32:$dst, R32:$src1, R32:$src2),
869 "cmovbe {$src2, $dst|$dst, $src2}",
870 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
871 X86_COND_BE, STATUS))]>,
872 Imp<[STATUS],[]>, TB;
873 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
874 (ops R32:$dst, R32:$src1, i32mem:$src2),
875 "cmovbe {$src2, $dst|$dst, $src2}",
876 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
877 X86_COND_BE, STATUS))]>,
878 Imp<[STATUS],[]>, TB;
880 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
881 (ops R16:$dst, R16:$src1, R16:$src2),
882 "cmova {$src2, $dst|$dst, $src2}",
883 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
884 X86_COND_A, STATUS))]>,
885 Imp<[STATUS],[]>, TB, OpSize;
886 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
887 (ops R16:$dst, R16:$src1, i16mem:$src2),
888 "cmova {$src2, $dst|$dst, $src2}",
889 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
890 X86_COND_A, STATUS))]>,
891 Imp<[STATUS],[]>, TB, OpSize;
892 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
893 (ops R32:$dst, R32:$src1, R32:$src2),
894 "cmova {$src2, $dst|$dst, $src2}",
895 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
896 X86_COND_A, STATUS))]>,
897 Imp<[STATUS],[]>, TB;
898 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
899 (ops R32:$dst, R32:$src1, i32mem:$src2),
900 "cmova {$src2, $dst|$dst, $src2}",
901 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
902 X86_COND_A, STATUS))]>,
903 Imp<[STATUS],[]>, TB;
905 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
906 (ops R16:$dst, R16:$src1, R16:$src2),
907 "cmovl {$src2, $dst|$dst, $src2}",
908 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
909 X86_COND_L, STATUS))]>,
910 Imp<[STATUS],[]>, TB, OpSize;
911 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
912 (ops R16:$dst, R16:$src1, i16mem:$src2),
913 "cmovl {$src2, $dst|$dst, $src2}",
914 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
915 X86_COND_L, STATUS))]>,
916 Imp<[STATUS],[]>, TB, OpSize;
917 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
918 (ops R32:$dst, R32:$src1, R32:$src2),
919 "cmovl {$src2, $dst|$dst, $src2}",
920 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
921 X86_COND_L, STATUS))]>,
922 Imp<[STATUS],[]>, TB;
923 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
924 (ops R32:$dst, R32:$src1, i32mem:$src2),
925 "cmovl {$src2, $dst|$dst, $src2}",
926 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
927 X86_COND_L, STATUS))]>,
928 Imp<[STATUS],[]>, TB;
930 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
931 (ops R16:$dst, R16:$src1, R16:$src2),
932 "cmovge {$src2, $dst|$dst, $src2}",
933 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
934 X86_COND_GE, STATUS))]>,
935 Imp<[STATUS],[]>, TB, OpSize;
936 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
937 (ops R16:$dst, R16:$src1, i16mem:$src2),
938 "cmovge {$src2, $dst|$dst, $src2}",
939 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
940 X86_COND_GE, STATUS))]>,
941 Imp<[STATUS],[]>, TB, OpSize;
942 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
943 (ops R32:$dst, R32:$src1, R32:$src2),
944 "cmovge {$src2, $dst|$dst, $src2}",
945 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
946 X86_COND_GE, STATUS))]>,
947 Imp<[STATUS],[]>, TB;
948 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
949 (ops R32:$dst, R32:$src1, i32mem:$src2),
950 "cmovge {$src2, $dst|$dst, $src2}",
951 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
952 X86_COND_GE, STATUS))]>,
953 Imp<[STATUS],[]>, TB;
955 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
956 (ops R16:$dst, R16:$src1, R16:$src2),
957 "cmovle {$src2, $dst|$dst, $src2}",
958 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
959 X86_COND_LE, STATUS))]>,
960 Imp<[STATUS],[]>, TB, OpSize;
961 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
962 (ops R16:$dst, R16:$src1, i16mem:$src2),
963 "cmovle {$src2, $dst|$dst, $src2}",
964 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
965 X86_COND_LE, STATUS))]>,
966 Imp<[STATUS],[]>, TB, OpSize;
967 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
968 (ops R32:$dst, R32:$src1, R32:$src2),
969 "cmovle {$src2, $dst|$dst, $src2}",
970 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
971 X86_COND_LE, STATUS))]>,
972 Imp<[STATUS],[]>, TB;
973 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
974 (ops R32:$dst, R32:$src1, i32mem:$src2),
975 "cmovle {$src2, $dst|$dst, $src2}",
976 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
977 X86_COND_LE, STATUS))]>,
978 Imp<[STATUS],[]>, TB;
980 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
981 (ops R16:$dst, R16:$src1, R16:$src2),
982 "cmovg {$src2, $dst|$dst, $src2}",
983 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
984 X86_COND_G, STATUS))]>,
985 Imp<[STATUS],[]>, TB, OpSize;
986 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
987 (ops R16:$dst, R16:$src1, i16mem:$src2),
988 "cmovg {$src2, $dst|$dst, $src2}",
989 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
990 X86_COND_G, STATUS))]>,
991 Imp<[STATUS],[]>, TB, OpSize;
992 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
993 (ops R32:$dst, R32:$src1, R32:$src2),
994 "cmovg {$src2, $dst|$dst, $src2}",
995 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
996 X86_COND_G, STATUS))]>,
997 Imp<[STATUS],[]>, TB;
998 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
999 (ops R32:$dst, R32:$src1, i32mem:$src2),
1000 "cmovg {$src2, $dst|$dst, $src2}",
1001 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1002 X86_COND_G, STATUS))]>,
1003 Imp<[STATUS],[]>, TB;
1005 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
1006 (ops R16:$dst, R16:$src1, R16:$src2),
1007 "cmovs {$src2, $dst|$dst, $src2}",
1008 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1009 X86_COND_S, STATUS))]>,
1010 Imp<[STATUS],[]>, TB, OpSize;
1011 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
1012 (ops R16:$dst, R16:$src1, i16mem:$src2),
1013 "cmovs {$src2, $dst|$dst, $src2}",
1014 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1015 X86_COND_S, STATUS))]>,
1016 Imp<[STATUS],[]>, TB, OpSize;
1017 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
1018 (ops R32:$dst, R32:$src1, R32:$src2),
1019 "cmovs {$src2, $dst|$dst, $src2}",
1020 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1021 X86_COND_S, STATUS))]>,
1022 Imp<[STATUS],[]>, TB;
1023 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
1024 (ops R32:$dst, R32:$src1, i32mem:$src2),
1025 "cmovs {$src2, $dst|$dst, $src2}",
1026 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1027 X86_COND_S, STATUS))]>,
1028 Imp<[STATUS],[]>, TB;
1030 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
1031 (ops R16:$dst, R16:$src1, R16:$src2),
1032 "cmovns {$src2, $dst|$dst, $src2}",
1033 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1034 X86_COND_NS, STATUS))]>,
1035 Imp<[STATUS],[]>, TB, OpSize;
1036 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
1037 (ops R16:$dst, R16:$src1, i16mem:$src2),
1038 "cmovns {$src2, $dst|$dst, $src2}",
1039 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1040 X86_COND_NS, STATUS))]>,
1041 Imp<[STATUS],[]>, TB, OpSize;
1042 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
1043 (ops R32:$dst, R32:$src1, R32:$src2),
1044 "cmovns {$src2, $dst|$dst, $src2}",
1045 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1046 X86_COND_NS, STATUS))]>,
1047 Imp<[STATUS],[]>, TB;
1048 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
1049 (ops R32:$dst, R32:$src1, i32mem:$src2),
1050 "cmovns {$src2, $dst|$dst, $src2}",
1051 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1052 X86_COND_NS, STATUS))]>,
1053 Imp<[STATUS],[]>, TB;
1055 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
1056 (ops R16:$dst, R16:$src1, R16:$src2),
1057 "cmovp {$src2, $dst|$dst, $src2}",
1058 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1059 X86_COND_P, STATUS))]>,
1060 Imp<[STATUS],[]>, TB, OpSize;
1061 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
1062 (ops R16:$dst, R16:$src1, i16mem:$src2),
1063 "cmovp {$src2, $dst|$dst, $src2}",
1064 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1065 X86_COND_P, STATUS))]>,
1066 Imp<[STATUS],[]>, TB, OpSize;
1067 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
1068 (ops R32:$dst, R32:$src1, R32:$src2),
1069 "cmovp {$src2, $dst|$dst, $src2}",
1070 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1071 X86_COND_P, STATUS))]>,
1072 Imp<[STATUS],[]>, TB;
1073 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
1074 (ops R32:$dst, R32:$src1, i32mem:$src2),
1075 "cmovp {$src2, $dst|$dst, $src2}",
1076 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1077 X86_COND_P, STATUS))]>,
1078 Imp<[STATUS],[]>, TB;
1080 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
1081 (ops R16:$dst, R16:$src1, R16:$src2),
1082 "cmovnp {$src2, $dst|$dst, $src2}",
1083 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1084 X86_COND_NP, STATUS))]>,
1085 Imp<[STATUS],[]>, TB, OpSize;
1086 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
1087 (ops R16:$dst, R16:$src1, i16mem:$src2),
1088 "cmovnp {$src2, $dst|$dst, $src2}",
1089 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1090 X86_COND_NP, STATUS))]>,
1091 Imp<[STATUS],[]>, TB, OpSize;
1092 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
1093 (ops R32:$dst, R32:$src1, R32:$src2),
1094 "cmovnp {$src2, $dst|$dst, $src2}",
1095 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1096 X86_COND_NP, STATUS))]>,
1097 Imp<[STATUS],[]>, TB;
1098 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
1099 (ops R32:$dst, R32:$src1, i32mem:$src2),
1100 "cmovnp {$src2, $dst|$dst, $src2}",
1101 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1102 X86_COND_NP, STATUS))]>,
1103 Imp<[STATUS],[]>, TB;
1106 // unary instructions
1107 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
1108 [(set R8:$dst, (ineg R8:$src))]>;
1109 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
1110 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
1111 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
1112 [(set R32:$dst, (ineg R32:$src))]>;
1113 let isTwoAddress = 0 in {
1114 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1115 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1116 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1117 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1118 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1119 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1123 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
1124 [(set R8:$dst, (not R8:$src))]>;
1125 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
1126 [(set R16:$dst, (not R16:$src))]>, OpSize;
1127 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
1128 [(set R32:$dst, (not R32:$src))]>;
1129 let isTwoAddress = 0 in {
1130 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1131 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1132 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1133 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1134 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1135 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1138 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1139 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
1140 [(set R8:$dst, (add R8:$src, 1))]>;
1141 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1142 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
1143 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
1144 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
1145 [(set R32:$dst, (add R32:$src, 1))]>;
1147 let isTwoAddress = 0 in {
1148 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1149 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1150 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1151 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1152 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1153 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1156 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
1157 [(set R8:$dst, (add R8:$src, -1))]>;
1158 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1159 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
1160 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
1161 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
1162 [(set R32:$dst, (add R32:$src, -1))]>;
1165 let isTwoAddress = 0 in {
1166 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1167 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1168 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1169 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1170 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1171 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1174 // Logical operators...
1175 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1176 def AND8rr : I<0x20, MRMDestReg,
1177 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1178 "and{b} {$src2, $dst|$dst, $src2}",
1179 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
1180 def AND16rr : I<0x21, MRMDestReg,
1181 (ops R16:$dst, R16:$src1, R16:$src2),
1182 "and{w} {$src2, $dst|$dst, $src2}",
1183 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
1184 def AND32rr : I<0x21, MRMDestReg,
1185 (ops R32:$dst, R32:$src1, R32:$src2),
1186 "and{l} {$src2, $dst|$dst, $src2}",
1187 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
1190 def AND8rm : I<0x22, MRMSrcMem,
1191 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1192 "and{b} {$src2, $dst|$dst, $src2}",
1193 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
1194 def AND16rm : I<0x23, MRMSrcMem,
1195 (ops R16:$dst, R16:$src1, i16mem:$src2),
1196 "and{w} {$src2, $dst|$dst, $src2}",
1197 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
1198 def AND32rm : I<0x23, MRMSrcMem,
1199 (ops R32:$dst, R32:$src1, i32mem:$src2),
1200 "and{l} {$src2, $dst|$dst, $src2}",
1201 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
1203 def AND8ri : Ii8<0x80, MRM4r,
1204 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
1205 "and{b} {$src2, $dst|$dst, $src2}",
1206 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
1207 def AND16ri : Ii16<0x81, MRM4r,
1208 (ops R16:$dst, R16:$src1, i16imm:$src2),
1209 "and{w} {$src2, $dst|$dst, $src2}",
1210 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
1211 def AND32ri : Ii32<0x81, MRM4r,
1212 (ops R32:$dst, R32:$src1, i32imm:$src2),
1213 "and{l} {$src2, $dst|$dst, $src2}",
1214 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
1215 def AND16ri8 : Ii8<0x83, MRM4r,
1216 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1217 "and{w} {$src2, $dst|$dst, $src2}",
1218 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
1220 def AND32ri8 : Ii8<0x83, MRM4r,
1221 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1222 "and{l} {$src2, $dst|$dst, $src2}",
1223 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
1225 let isTwoAddress = 0 in {
1226 def AND8mr : I<0x20, MRMDestMem,
1227 (ops i8mem :$dst, R8 :$src),
1228 "and{b} {$src, $dst|$dst, $src}",
1229 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
1230 def AND16mr : I<0x21, MRMDestMem,
1231 (ops i16mem:$dst, R16:$src),
1232 "and{w} {$src, $dst|$dst, $src}",
1233 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
1235 def AND32mr : I<0x21, MRMDestMem,
1236 (ops i32mem:$dst, R32:$src),
1237 "and{l} {$src, $dst|$dst, $src}",
1238 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
1239 def AND8mi : Ii8<0x80, MRM4m,
1240 (ops i8mem :$dst, i8imm :$src),
1241 "and{b} {$src, $dst|$dst, $src}",
1242 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1243 def AND16mi : Ii16<0x81, MRM4m,
1244 (ops i16mem:$dst, i16imm:$src),
1245 "and{w} {$src, $dst|$dst, $src}",
1246 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1248 def AND32mi : Ii32<0x81, MRM4m,
1249 (ops i32mem:$dst, i32imm:$src),
1250 "and{l} {$src, $dst|$dst, $src}",
1251 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1252 def AND16mi8 : Ii8<0x83, MRM4m,
1253 (ops i16mem:$dst, i16i8imm :$src),
1254 "and{w} {$src, $dst|$dst, $src}",
1255 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1257 def AND32mi8 : Ii8<0x83, MRM4m,
1258 (ops i32mem:$dst, i32i8imm :$src),
1259 "and{l} {$src, $dst|$dst, $src}",
1260 [(store (add (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1264 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1265 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1266 "or{b} {$src2, $dst|$dst, $src2}",
1267 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
1268 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1269 "or{w} {$src2, $dst|$dst, $src2}",
1270 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
1271 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1272 "or{l} {$src2, $dst|$dst, $src2}",
1273 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
1275 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1276 "or{b} {$src2, $dst|$dst, $src2}",
1277 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
1278 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
1279 "or{w} {$src2, $dst|$dst, $src2}",
1280 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
1281 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1282 "or{l} {$src2, $dst|$dst, $src2}",
1283 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
1285 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1286 "or{b} {$src2, $dst|$dst, $src2}",
1287 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
1288 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1289 "or{w} {$src2, $dst|$dst, $src2}",
1290 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
1291 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1292 "or{l} {$src2, $dst|$dst, $src2}",
1293 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
1295 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1296 "or{w} {$src2, $dst|$dst, $src2}",
1297 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
1298 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1299 "or{l} {$src2, $dst|$dst, $src2}",
1300 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
1301 let isTwoAddress = 0 in {
1302 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
1303 "or{b} {$src, $dst|$dst, $src}",
1304 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
1305 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
1306 "or{w} {$src, $dst|$dst, $src}",
1307 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
1308 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
1309 "or{l} {$src, $dst|$dst, $src}",
1310 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
1311 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1312 "or{b} {$src, $dst|$dst, $src}",
1313 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1314 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1315 "or{w} {$src, $dst|$dst, $src}",
1316 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1318 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1319 "or{l} {$src, $dst|$dst, $src}",
1320 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1321 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1322 "or{w} {$src, $dst|$dst, $src}",
1323 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1325 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1326 "or{l} {$src, $dst|$dst, $src}",
1327 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1331 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1332 def XOR8rr : I<0x30, MRMDestReg,
1333 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1334 "xor{b} {$src2, $dst|$dst, $src2}",
1335 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
1336 def XOR16rr : I<0x31, MRMDestReg,
1337 (ops R16:$dst, R16:$src1, R16:$src2),
1338 "xor{w} {$src2, $dst|$dst, $src2}",
1339 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
1340 def XOR32rr : I<0x31, MRMDestReg,
1341 (ops R32:$dst, R32:$src1, R32:$src2),
1342 "xor{l} {$src2, $dst|$dst, $src2}",
1343 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
1346 def XOR8rm : I<0x32, MRMSrcMem ,
1347 (ops R8 :$dst, R8:$src1, i8mem :$src2),
1348 "xor{b} {$src2, $dst|$dst, $src2}",
1349 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
1350 def XOR16rm : I<0x33, MRMSrcMem ,
1351 (ops R16:$dst, R16:$src1, i16mem:$src2),
1352 "xor{w} {$src2, $dst|$dst, $src2}",
1353 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
1354 def XOR32rm : I<0x33, MRMSrcMem ,
1355 (ops R32:$dst, R32:$src1, i32mem:$src2),
1356 "xor{l} {$src2, $dst|$dst, $src2}",
1357 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
1359 def XOR8ri : Ii8<0x80, MRM6r,
1360 (ops R8:$dst, R8:$src1, i8imm:$src2),
1361 "xor{b} {$src2, $dst|$dst, $src2}",
1362 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
1363 def XOR16ri : Ii16<0x81, MRM6r,
1364 (ops R16:$dst, R16:$src1, i16imm:$src2),
1365 "xor{w} {$src2, $dst|$dst, $src2}",
1366 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
1367 def XOR32ri : Ii32<0x81, MRM6r,
1368 (ops R32:$dst, R32:$src1, i32imm:$src2),
1369 "xor{l} {$src2, $dst|$dst, $src2}",
1370 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
1371 def XOR16ri8 : Ii8<0x83, MRM6r,
1372 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1373 "xor{w} {$src2, $dst|$dst, $src2}",
1374 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
1376 def XOR32ri8 : Ii8<0x83, MRM6r,
1377 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1378 "xor{l} {$src2, $dst|$dst, $src2}",
1379 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
1380 let isTwoAddress = 0 in {
1381 def XOR8mr : I<0x30, MRMDestMem,
1382 (ops i8mem :$dst, R8 :$src),
1383 "xor{b} {$src, $dst|$dst, $src}",
1384 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
1385 def XOR16mr : I<0x31, MRMDestMem,
1386 (ops i16mem:$dst, R16:$src),
1387 "xor{w} {$src, $dst|$dst, $src}",
1388 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
1390 def XOR32mr : I<0x31, MRMDestMem,
1391 (ops i32mem:$dst, R32:$src),
1392 "xor{l} {$src, $dst|$dst, $src}",
1393 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
1394 def XOR8mi : Ii8<0x80, MRM6m,
1395 (ops i8mem :$dst, i8imm :$src),
1396 "xor{b} {$src, $dst|$dst, $src}",
1397 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1398 def XOR16mi : Ii16<0x81, MRM6m,
1399 (ops i16mem:$dst, i16imm:$src),
1400 "xor{w} {$src, $dst|$dst, $src}",
1401 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1403 def XOR32mi : Ii32<0x81, MRM6m,
1404 (ops i32mem:$dst, i32imm:$src),
1405 "xor{l} {$src, $dst|$dst, $src}",
1406 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1407 def XOR16mi8 : Ii8<0x83, MRM6m,
1408 (ops i16mem:$dst, i16i8imm :$src),
1409 "xor{w} {$src, $dst|$dst, $src}",
1410 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1412 def XOR32mi8 : Ii8<0x83, MRM6m,
1413 (ops i32mem:$dst, i32i8imm :$src),
1414 "xor{l} {$src, $dst|$dst, $src}",
1415 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1418 // Shift instructions
1419 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
1420 "shl{b} {%cl, $dst|$dst, %CL}",
1421 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
1422 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1423 "shl{w} {%cl, $dst|$dst, %CL}",
1424 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1425 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1426 "shl{l} {%cl, $dst|$dst, %CL}",
1427 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1429 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1430 "shl{b} {$src2, $dst|$dst, $src2}",
1431 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1432 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1433 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1434 "shl{w} {$src2, $dst|$dst, $src2}",
1435 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1436 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1437 "shl{l} {$src2, $dst|$dst, $src2}",
1438 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1441 let isTwoAddress = 0 in {
1442 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1443 "shl{b} {%cl, $dst|$dst, %CL}",
1444 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1446 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1447 "shl{w} {%cl, $dst|$dst, %CL}",
1448 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1449 Imp<[CL],[]>, OpSize;
1450 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1451 "shl{l} {%cl, $dst|$dst, %CL}",
1452 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1454 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1455 "shl{b} {$src, $dst|$dst, $src}",
1456 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1457 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1458 "shl{w} {$src, $dst|$dst, $src}",
1459 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1461 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1462 "shl{l} {$src, $dst|$dst, $src}",
1463 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1466 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1467 "shr{b} {%cl, $dst|$dst, %CL}",
1468 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1469 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1470 "shr{w} {%cl, $dst|$dst, %CL}",
1471 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1472 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1473 "shr{l} {%cl, $dst|$dst, %CL}",
1474 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1476 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1477 "shr{b} {$src2, $dst|$dst, $src2}",
1478 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1479 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1480 "shr{w} {$src2, $dst|$dst, $src2}",
1481 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1482 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1483 "shr{l} {$src2, $dst|$dst, $src2}",
1484 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1486 let isTwoAddress = 0 in {
1487 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1488 "shr{b} {%cl, $dst|$dst, %CL}",
1489 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1491 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1492 "shr{w} {%cl, $dst|$dst, %CL}",
1493 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1494 Imp<[CL],[]>, OpSize;
1495 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1496 "shr{l} {%cl, $dst|$dst, %CL}",
1497 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1499 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1500 "shr{b} {$src, $dst|$dst, $src}",
1501 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1502 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1503 "shr{w} {$src, $dst|$dst, $src}",
1504 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1506 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1507 "shr{l} {$src, $dst|$dst, $src}",
1508 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1511 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1512 "sar{b} {%cl, $dst|$dst, %CL}",
1513 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1514 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1515 "sar{w} {%cl, $dst|$dst, %CL}",
1516 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1517 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1518 "sar{l} {%cl, $dst|$dst, %CL}",
1519 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1521 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1522 "sar{b} {$src2, $dst|$dst, $src2}",
1523 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1524 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1525 "sar{w} {$src2, $dst|$dst, $src2}",
1526 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1528 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1529 "sar{l} {$src2, $dst|$dst, $src2}",
1530 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1531 let isTwoAddress = 0 in {
1532 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1533 "sar{b} {%cl, $dst|$dst, %CL}",
1534 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1536 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1537 "sar{w} {%cl, $dst|$dst, %CL}",
1538 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1539 Imp<[CL],[]>, OpSize;
1540 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1541 "sar{l} {%cl, $dst|$dst, %CL}",
1542 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1544 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1545 "sar{b} {$src, $dst|$dst, $src}",
1546 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1547 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1548 "sar{w} {$src, $dst|$dst, $src}",
1549 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1551 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1552 "sar{l} {$src, $dst|$dst, $src}",
1553 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1556 // Rotate instructions
1557 // FIXME: provide shorter instructions when imm8 == 1
1558 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1559 "rol{b} {%cl, $dst|$dst, %CL}",
1560 [(set R8:$dst, (rotl R8:$src, CL))]>, Imp<[CL],[]>;
1561 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1562 "rol{w} {%cl, $dst|$dst, %CL}",
1563 [(set R16:$dst, (rotl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1564 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1565 "rol{l} {%cl, $dst|$dst, %CL}",
1566 [(set R32:$dst, (rotl R32:$src, CL))]>, Imp<[CL],[]>;
1568 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1569 "rol{b} {$src2, $dst|$dst, $src2}",
1570 [(set R8:$dst, (rotl R8:$src1, (i8 imm:$src2)))]>;
1571 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1572 "rol{w} {$src2, $dst|$dst, $src2}",
1573 [(set R16:$dst, (rotl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1574 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1575 "rol{l} {$src2, $dst|$dst, $src2}",
1576 [(set R32:$dst, (rotl R32:$src1, (i8 imm:$src2)))]>;
1578 let isTwoAddress = 0 in {
1579 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1580 "rol{b} {%cl, $dst|$dst, %CL}",
1581 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1583 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1584 "rol{w} {%cl, $dst|$dst, %CL}",
1585 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1586 Imp<[CL],[]>, OpSize;
1587 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1588 "rol{l} {%cl, $dst|$dst, %CL}",
1589 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1591 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1592 "rol{b} {$src, $dst|$dst, $src}",
1593 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1594 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1595 "rol{w} {$src, $dst|$dst, $src}",
1596 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1598 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1599 "rol{l} {$src, $dst|$dst, $src}",
1600 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1603 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1604 "ror{b} {%cl, $dst|$dst, %CL}",
1605 [(set R8:$dst, (rotr R8:$src, CL))]>, Imp<[CL],[]>;
1606 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1607 "ror{w} {%cl, $dst|$dst, %CL}",
1608 [(set R16:$dst, (rotr R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1609 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1610 "ror{l} {%cl, $dst|$dst, %CL}",
1611 [(set R32:$dst, (rotr R32:$src, CL))]>, Imp<[CL],[]>;
1613 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1614 "ror{b} {$src2, $dst|$dst, $src2}",
1615 [(set R8:$dst, (rotr R8:$src1, (i8 imm:$src2)))]>;
1616 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1617 "ror{w} {$src2, $dst|$dst, $src2}",
1618 [(set R16:$dst, (rotr R16:$src1, (i8 imm:$src2)))]>, OpSize;
1619 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1620 "ror{l} {$src2, $dst|$dst, $src2}",
1621 [(set R32:$dst, (rotr R32:$src1, (i8 imm:$src2)))]>;
1622 let isTwoAddress = 0 in {
1623 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1624 "ror{b} {%cl, $dst|$dst, %CL}",
1625 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1627 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1628 "ror{w} {%cl, $dst|$dst, %CL}",
1629 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1630 Imp<[CL],[]>, OpSize;
1631 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1632 "ror{l} {%cl, $dst|$dst, %CL}",
1633 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1635 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1636 "ror{b} {$src, $dst|$dst, $src}",
1637 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1638 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1639 "ror{w} {$src, $dst|$dst, $src}",
1640 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1642 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1643 "ror{l} {$src, $dst|$dst, $src}",
1644 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1649 // Double shift instructions (generalizations of rotate)
1651 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1652 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1653 [(set R32:$dst, (X86shld R32:$src1, R32:$src2, CL))]>,
1655 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1656 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1657 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2, CL))]>,
1659 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1660 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1661 [(set R16:$dst, (X86shld R16:$src1, R16:$src2, CL))]>,
1662 Imp<[CL],[]>, TB, OpSize;
1663 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1664 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1665 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2, CL))]>,
1666 Imp<[CL],[]>, TB, OpSize;
1668 let isCommutable = 1 in { // These instructions commute to each other.
1669 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1670 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1671 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1672 [(set R32:$dst, (X86shld R32:$src1, R32:$src2,
1675 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1676 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1677 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1678 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2,
1681 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1682 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1683 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1684 [(set R16:$dst, (X86shld R16:$src1, R16:$src2,
1687 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1688 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1689 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1690 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2,
1695 let isTwoAddress = 0 in {
1696 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1697 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1698 [(store (X86shld (loadi32 addr:$dst), R32:$src2, CL),
1701 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1702 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1703 [(store (X86shrd (loadi32 addr:$dst), R32:$src2, CL),
1706 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1707 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1708 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1709 [(store (X86shld (loadi32 addr:$dst), R32:$src2,
1710 (i8 imm:$src3)), addr:$dst)]>,
1712 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1713 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1714 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1715 [(store (X86shrd (loadi32 addr:$dst), R32:$src2,
1716 (i8 imm:$src3)), addr:$dst)]>,
1719 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1720 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1721 [(store (X86shld (loadi16 addr:$dst), R16:$src2, CL),
1723 Imp<[CL],[]>, TB, OpSize;
1724 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1725 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1726 [(store (X86shrd (loadi16 addr:$dst), R16:$src2, CL),
1728 Imp<[CL],[]>, TB, OpSize;
1729 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1730 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1731 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1732 [(store (X86shld (loadi16 addr:$dst), R16:$src2,
1733 (i8 imm:$src3)), addr:$dst)]>,
1735 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1736 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1737 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1738 [(store (X86shrd (loadi16 addr:$dst), R16:$src2,
1739 (i8 imm:$src3)), addr:$dst)]>,
1745 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1746 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1747 "add{b} {$src2, $dst|$dst, $src2}",
1748 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1749 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1750 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1751 "add{w} {$src2, $dst|$dst, $src2}",
1752 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1753 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1754 "add{l} {$src2, $dst|$dst, $src2}",
1755 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1756 } // end isConvertibleToThreeAddress
1757 } // end isCommutable
1758 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1759 "add{b} {$src2, $dst|$dst, $src2}",
1760 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1761 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1762 "add{w} {$src2, $dst|$dst, $src2}",
1763 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1764 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1765 "add{l} {$src2, $dst|$dst, $src2}",
1766 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1768 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1769 "add{b} {$src2, $dst|$dst, $src2}",
1770 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1772 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1773 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1774 "add{w} {$src2, $dst|$dst, $src2}",
1775 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1776 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1777 "add{l} {$src2, $dst|$dst, $src2}",
1778 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1781 // FIXME: move ADD16ri8 above ADD16ri to optimize for space.
1782 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1783 "add{w} {$src2, $dst|$dst, $src2}",
1784 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1786 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1787 "add{l} {$src2, $dst|$dst, $src2}",
1788 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1790 let isTwoAddress = 0 in {
1791 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1792 "add{b} {$src2, $dst|$dst, $src2}",
1793 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1794 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1795 "add{w} {$src2, $dst|$dst, $src2}",
1796 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1798 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1799 "add{l} {$src2, $dst|$dst, $src2}",
1800 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1801 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1802 "add{b} {$src2, $dst|$dst, $src2}",
1803 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1804 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1805 "add{w} {$src2, $dst|$dst, $src2}",
1806 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1808 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1809 "add{l} {$src2, $dst|$dst, $src2}",
1810 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1811 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1812 "add{w} {$src2, $dst|$dst, $src2}",
1813 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1815 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1816 "add{l} {$src2, $dst|$dst, $src2}",
1817 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1820 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1821 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1822 "adc{l} {$src2, $dst|$dst, $src2}",
1823 [(set R32:$dst, (X86adc R32:$src1, R32:$src2))]>;
1825 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1826 "adc{l} {$src2, $dst|$dst, $src2}",
1827 [(set R32:$dst, (X86adc R32:$src1, (load addr:$src2)))]>;
1828 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1829 "adc{l} {$src2, $dst|$dst, $src2}",
1830 [(set R32:$dst, (X86adc R32:$src1, imm:$src2))]>;
1831 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1832 "adc{l} {$src2, $dst|$dst, $src2}",
1833 [(set R32:$dst, (X86adc R32:$src1, i32immSExt8:$src2))]>;
1835 let isTwoAddress = 0 in {
1836 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1837 "adc{l} {$src2, $dst|$dst, $src2}",
1838 [(store (X86adc (load addr:$dst), R32:$src2), addr:$dst)]>;
1839 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1840 "adc{l} {$src2, $dst|$dst, $src2}",
1841 [(store (X86adc (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1842 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1843 "adc{l} {$src2, $dst|$dst, $src2}",
1844 [(store (X86adc (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1847 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1848 "sub{b} {$src2, $dst|$dst, $src2}",
1849 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1850 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1851 "sub{w} {$src2, $dst|$dst, $src2}",
1852 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1853 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1854 "sub{l} {$src2, $dst|$dst, $src2}",
1855 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1856 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1857 "sub{b} {$src2, $dst|$dst, $src2}",
1858 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1859 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1860 "sub{w} {$src2, $dst|$dst, $src2}",
1861 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1862 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1863 "sub{l} {$src2, $dst|$dst, $src2}",
1864 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1866 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1867 "sub{b} {$src2, $dst|$dst, $src2}",
1868 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1869 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1870 "sub{w} {$src2, $dst|$dst, $src2}",
1871 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1872 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1873 "sub{l} {$src2, $dst|$dst, $src2}",
1874 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1875 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1876 "sub{w} {$src2, $dst|$dst, $src2}",
1877 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1879 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1880 "sub{l} {$src2, $dst|$dst, $src2}",
1881 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1882 let isTwoAddress = 0 in {
1883 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1884 "sub{b} {$src2, $dst|$dst, $src2}",
1885 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1886 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1887 "sub{w} {$src2, $dst|$dst, $src2}",
1888 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1890 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1891 "sub{l} {$src2, $dst|$dst, $src2}",
1892 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1893 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1894 "sub{b} {$src2, $dst|$dst, $src2}",
1895 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1896 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1897 "sub{w} {$src2, $dst|$dst, $src2}",
1898 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1900 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1901 "sub{l} {$src2, $dst|$dst, $src2}",
1902 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1903 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1904 "sub{w} {$src2, $dst|$dst, $src2}",
1905 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1907 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1908 "sub{l} {$src2, $dst|$dst, $src2}",
1909 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1912 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1913 "sbb{l} {$src2, $dst|$dst, $src2}",
1914 [(set R32:$dst, (X86sbb R32:$src1, R32:$src2))]>;
1916 let isTwoAddress = 0 in {
1917 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1918 "sbb{l} {$src2, $dst|$dst, $src2}",
1919 [(store (X86sbb (load addr:$dst), R32:$src2), addr:$dst)]>;
1920 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1921 "sbb{b} {$src2, $dst|$dst, $src2}",
1922 [(store (X86sbb (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1923 def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
1924 "sbb{w} {$src2, $dst|$dst, $src2}",
1925 [(store (X86sbb (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1927 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1928 "sbb{l} {$src2, $dst|$dst, $src2}",
1929 [(store (X86sbb (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1930 def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i16i8imm :$src2),
1931 "sbb{w} {$src2, $dst|$dst, $src2}",
1932 [(store (X86sbb (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1934 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
1935 "sbb{l} {$src2, $dst|$dst, $src2}",
1936 [(store (X86sbb (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1938 def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1939 "sbb{b} {$src2, $dst|$dst, $src2}",
1940 [(set R8:$dst, (X86sbb R8:$src1, imm:$src2))]>;
1941 def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1942 "sbb{w} {$src2, $dst|$dst, $src2}",
1943 [(set R16:$dst, (X86sbb R16:$src1, imm:$src2))]>, OpSize;
1945 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1946 "sbb{l} {$src2, $dst|$dst, $src2}",
1947 [(set R32:$dst, (X86sbb R32:$src1, (load addr:$src2)))]>;
1948 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1949 "sbb{l} {$src2, $dst|$dst, $src2}",
1950 [(set R32:$dst, (X86sbb R32:$src1, imm:$src2))]>;
1952 def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1953 "sbb{w} {$src2, $dst|$dst, $src2}",
1954 [(set R16:$dst, (X86sbb R16:$src1, i16immSExt8:$src2))]>,
1956 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1957 "sbb{l} {$src2, $dst|$dst, $src2}",
1958 [(set R32:$dst, (X86sbb R32:$src1, i32immSExt8:$src2))]>;
1960 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1961 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1962 "imul{w} {$src2, $dst|$dst, $src2}",
1963 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1964 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1965 "imul{l} {$src2, $dst|$dst, $src2}",
1966 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
1968 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1969 "imul{w} {$src2, $dst|$dst, $src2}",
1970 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
1972 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1973 "imul{l} {$src2, $dst|$dst, $src2}",
1974 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
1976 } // end Two Address instructions
1978 // Suprisingly enough, these are not two address instructions!
1979 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1980 (ops R16:$dst, R16:$src1, i16imm:$src2),
1981 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1982 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
1983 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1984 (ops R32:$dst, R32:$src1, i32imm:$src2),
1985 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1986 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1987 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1988 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1989 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1990 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
1992 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1993 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1994 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1995 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
1997 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1998 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
1999 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2000 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
2002 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
2003 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
2004 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2005 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
2006 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
2007 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
2008 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
2009 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
2011 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
2012 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
2013 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
2014 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
2016 //===----------------------------------------------------------------------===//
2017 // Test instructions are just like AND, except they don't generate a result.
2019 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2020 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
2021 "test{b} {$src2, $src1|$src1, $src2}",
2022 [(set STATUS, (X86test R8:$src1, R8:$src2))]>,
2024 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
2025 "test{w} {$src2, $src1|$src1, $src2}",
2026 [(set STATUS, (X86test R16:$src1, R16:$src2))]>,
2027 Imp<[],[STATUS]>, OpSize;
2028 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
2029 "test{l} {$src2, $src1|$src1, $src2}",
2030 [(set STATUS, (X86test R32:$src1, R32:$src2))]>,
2033 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
2034 "test{b} {$src2, $src1|$src1, $src2}",
2035 [(set STATUS, (X86test (loadi8 addr:$src1), R8:$src2))]>,
2037 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
2038 "test{w} {$src2, $src1|$src1, $src2}",
2039 [(set STATUS, (X86test (loadi16 addr:$src1), R16:$src2))]>,
2040 Imp<[],[STATUS]>, OpSize;
2041 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
2042 "test{l} {$src2, $src1|$src1, $src2}",
2043 [(set STATUS, (X86test (loadi32 addr:$src1), R32:$src2))]>,
2045 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
2046 "test{b} {$src2, $src1|$src1, $src2}",
2047 [(set STATUS, (X86test R8:$src1, (loadi8 addr:$src2)))]>,
2049 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
2050 "test{w} {$src2, $src1|$src1, $src2}",
2051 [(set STATUS, (X86test R16:$src1, (loadi16 addr:$src2)))]>,
2052 Imp<[],[STATUS]>, OpSize;
2053 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
2054 "test{l} {$src2, $src1|$src1, $src2}",
2055 [(set STATUS, (X86test R32:$src1, (loadi32 addr:$src2)))]>,
2058 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
2059 (ops R8:$src1, i8imm:$src2),
2060 "test{b} {$src2, $src1|$src1, $src2}",
2061 [(set STATUS, (X86test R8:$src1, imm:$src2))]>,
2063 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
2064 (ops R16:$src1, i16imm:$src2),
2065 "test{w} {$src2, $src1|$src1, $src2}",
2066 [(set STATUS, (X86test R16:$src1, imm:$src2))]>,
2067 Imp<[],[STATUS]>, OpSize;
2068 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
2069 (ops R32:$src1, i32imm:$src2),
2070 "test{l} {$src2, $src1|$src1, $src2}",
2071 [(set STATUS, (X86test R32:$src1, imm:$src2))]>,
2073 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2074 (ops i8mem:$src1, i8imm:$src2),
2075 "test{b} {$src2, $src1|$src1, $src2}",
2076 [(set STATUS, (X86test (loadi8 addr:$src1), imm:$src2))]>,
2078 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2079 (ops i16mem:$src1, i16imm:$src2),
2080 "test{w} {$src2, $src1|$src1, $src2}",
2081 [(set STATUS, (X86test (loadi16 addr:$src1), imm:$src2))]>,
2082 Imp<[],[STATUS]>, OpSize;
2083 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2084 (ops i32mem:$src1, i32imm:$src2),
2085 "test{l} {$src2, $src1|$src1, $src2}",
2086 [(set STATUS, (X86test (loadi32 addr:$src1), imm:$src2))]>,
2090 // Condition code ops, incl. set if equal/not equal/...
2091 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2092 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2094 def SETEr : I<0x94, MRM0r,
2097 [(set R8:$dst, (X86setcc X86_COND_E, STATUS))]>,
2099 def SETEm : I<0x94, MRM0m,
2102 [(store (X86setcc X86_COND_E, STATUS), addr:$dst)]>,
2104 def SETNEr : I<0x95, MRM0r,
2107 [(set R8:$dst, (X86setcc X86_COND_NE, STATUS))]>,
2109 def SETNEm : I<0x95, MRM0m,
2112 [(store (X86setcc X86_COND_NE, STATUS), addr:$dst)]>,
2114 def SETLr : I<0x9C, MRM0r,
2117 [(set R8:$dst, (X86setcc X86_COND_L, STATUS))]>,
2118 TB; // R8 = < signed
2119 def SETLm : I<0x9C, MRM0m,
2122 [(store (X86setcc X86_COND_L, STATUS), addr:$dst)]>,
2123 TB; // [mem8] = < signed
2124 def SETGEr : I<0x9D, MRM0r,
2127 [(set R8:$dst, (X86setcc X86_COND_GE, STATUS))]>,
2128 TB; // R8 = >= signed
2129 def SETGEm : I<0x9D, MRM0m,
2132 [(store (X86setcc X86_COND_GE, STATUS), addr:$dst)]>,
2133 TB; // [mem8] = >= signed
2134 def SETLEr : I<0x9E, MRM0r,
2137 [(set R8:$dst, (X86setcc X86_COND_LE, STATUS))]>,
2138 TB; // R8 = <= signed
2139 def SETLEm : I<0x9E, MRM0m,
2142 [(store (X86setcc X86_COND_LE, STATUS), addr:$dst)]>,
2143 TB; // [mem8] = <= signed
2144 def SETGr : I<0x9F, MRM0r,
2147 [(set R8:$dst, (X86setcc X86_COND_G, STATUS))]>,
2148 TB; // R8 = > signed
2149 def SETGm : I<0x9F, MRM0m,
2152 [(store (X86setcc X86_COND_G, STATUS), addr:$dst)]>,
2153 TB; // [mem8] = > signed
2155 def SETBr : I<0x92, MRM0r,
2158 [(set R8:$dst, (X86setcc X86_COND_B, STATUS))]>,
2159 TB; // R8 = < unsign
2160 def SETBm : I<0x92, MRM0m,
2163 [(store (X86setcc X86_COND_B, STATUS), addr:$dst)]>,
2164 TB; // [mem8] = < unsign
2165 def SETAEr : I<0x93, MRM0r,
2168 [(set R8:$dst, (X86setcc X86_COND_AE, STATUS))]>,
2169 TB; // R8 = >= unsign
2170 def SETAEm : I<0x93, MRM0m,
2173 [(store (X86setcc X86_COND_AE, STATUS), addr:$dst)]>,
2174 TB; // [mem8] = >= unsign
2175 def SETBEr : I<0x96, MRM0r,
2178 [(set R8:$dst, (X86setcc X86_COND_BE, STATUS))]>,
2179 TB; // R8 = <= unsign
2180 def SETBEm : I<0x96, MRM0m,
2183 [(store (X86setcc X86_COND_BE, STATUS), addr:$dst)]>,
2184 TB; // [mem8] = <= unsign
2185 def SETAr : I<0x97, MRM0r,
2188 [(set R8:$dst, (X86setcc X86_COND_A, STATUS))]>,
2189 TB; // R8 = > signed
2190 def SETAm : I<0x97, MRM0m,
2193 [(store (X86setcc X86_COND_A, STATUS), addr:$dst)]>,
2194 TB; // [mem8] = > signed
2196 def SETSr : I<0x98, MRM0r,
2199 [(set R8:$dst, (X86setcc X86_COND_S, STATUS))]>,
2200 TB; // R8 = <sign bit>
2201 def SETSm : I<0x98, MRM0m,
2204 [(store (X86setcc X86_COND_S, STATUS), addr:$dst)]>,
2205 TB; // [mem8] = <sign bit>
2206 def SETNSr : I<0x99, MRM0r,
2209 [(set R8:$dst, (X86setcc X86_COND_NS, STATUS))]>,
2210 TB; // R8 = !<sign bit>
2211 def SETNSm : I<0x99, MRM0m,
2214 [(store (X86setcc X86_COND_NS, STATUS), addr:$dst)]>,
2215 TB; // [mem8] = !<sign bit>
2216 def SETPr : I<0x9A, MRM0r,
2219 [(set R8:$dst, (X86setcc X86_COND_P, STATUS))]>,
2221 def SETPm : I<0x9A, MRM0m,
2224 [(store (X86setcc X86_COND_P, STATUS), addr:$dst)]>,
2225 TB; // [mem8] = parity
2226 def SETNPr : I<0x9B, MRM0r,
2229 [(set R8:$dst, (X86setcc X86_COND_NP, STATUS))]>,
2230 TB; // R8 = not parity
2231 def SETNPm : I<0x9B, MRM0m,
2234 [(store (X86setcc X86_COND_NP, STATUS), addr:$dst)]>,
2235 TB; // [mem8] = not parity
2237 // Integer comparisons
2238 def CMP8rr : I<0x38, MRMDestReg,
2239 (ops R8 :$src1, R8 :$src2),
2240 "cmp{b} {$src2, $src1|$src1, $src2}",
2241 [(set STATUS, (X86cmp R8:$src1, R8:$src2))]>,
2243 def CMP16rr : I<0x39, MRMDestReg,
2244 (ops R16:$src1, R16:$src2),
2245 "cmp{w} {$src2, $src1|$src1, $src2}",
2246 [(set STATUS, (X86cmp R16:$src1, R16:$src2))]>,
2247 Imp<[],[STATUS]>, OpSize;
2248 def CMP32rr : I<0x39, MRMDestReg,
2249 (ops R32:$src1, R32:$src2),
2250 "cmp{l} {$src2, $src1|$src1, $src2}",
2251 [(set STATUS, (X86cmp R32:$src1, R32:$src2))]>,
2253 def CMP8mr : I<0x38, MRMDestMem,
2254 (ops i8mem :$src1, R8 :$src2),
2255 "cmp{b} {$src2, $src1|$src1, $src2}",
2256 [(set STATUS, (X86cmp (loadi8 addr:$src1), R8:$src2))]>,
2258 def CMP16mr : I<0x39, MRMDestMem,
2259 (ops i16mem:$src1, R16:$src2),
2260 "cmp{w} {$src2, $src1|$src1, $src2}",
2261 [(set STATUS, (X86cmp (loadi16 addr:$src1), R16:$src2))]>,
2262 Imp<[],[STATUS]>, OpSize;
2263 def CMP32mr : I<0x39, MRMDestMem,
2264 (ops i32mem:$src1, R32:$src2),
2265 "cmp{l} {$src2, $src1|$src1, $src2}",
2266 [(set STATUS, (X86cmp (loadi32 addr:$src1), R32:$src2))]>,
2268 def CMP8rm : I<0x3A, MRMSrcMem,
2269 (ops R8 :$src1, i8mem :$src2),
2270 "cmp{b} {$src2, $src1|$src1, $src2}",
2271 [(set STATUS, (X86cmp R8:$src1, (loadi8 addr:$src2)))]>,
2273 def CMP16rm : I<0x3B, MRMSrcMem,
2274 (ops R16:$src1, i16mem:$src2),
2275 "cmp{w} {$src2, $src1|$src1, $src2}",
2276 [(set STATUS, (X86cmp R16:$src1, (loadi16 addr:$src2)))]>,
2277 Imp<[],[STATUS]>, OpSize;
2278 def CMP32rm : I<0x3B, MRMSrcMem,
2279 (ops R32:$src1, i32mem:$src2),
2280 "cmp{l} {$src2, $src1|$src1, $src2}",
2281 [(set STATUS, (X86cmp R32:$src1, (loadi32 addr:$src2)))]>,
2283 def CMP8ri : Ii8<0x80, MRM7r,
2284 (ops R8:$src1, i8imm:$src2),
2285 "cmp{b} {$src2, $src1|$src1, $src2}",
2286 [(set STATUS, (X86cmp R8:$src1, imm:$src2))]>,
2288 def CMP16ri : Ii16<0x81, MRM7r,
2289 (ops R16:$src1, i16imm:$src2),
2290 "cmp{w} {$src2, $src1|$src1, $src2}",
2291 [(set STATUS, (X86cmp R16:$src1, imm:$src2))]>,
2292 Imp<[],[STATUS]>, OpSize;
2293 def CMP32ri : Ii32<0x81, MRM7r,
2294 (ops R32:$src1, i32imm:$src2),
2295 "cmp{l} {$src2, $src1|$src1, $src2}",
2296 [(set STATUS, (X86cmp R32:$src1, imm:$src2))]>,
2298 def CMP8mi : Ii8 <0x80, MRM7m,
2299 (ops i8mem :$src1, i8imm :$src2),
2300 "cmp{b} {$src2, $src1|$src1, $src2}",
2301 [(set STATUS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>,
2303 def CMP16mi : Ii16<0x81, MRM7m,
2304 (ops i16mem:$src1, i16imm:$src2),
2305 "cmp{w} {$src2, $src1|$src1, $src2}",
2306 [(set STATUS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
2307 Imp<[],[STATUS]>, OpSize;
2308 def CMP32mi : Ii32<0x81, MRM7m,
2309 (ops i32mem:$src1, i32imm:$src2),
2310 "cmp{l} {$src2, $src1|$src1, $src2}",
2311 [(set STATUS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>,
2314 // Sign/Zero extenders
2315 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
2316 "movs{bw|x} {$src, $dst|$dst, $src}",
2317 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
2318 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2319 "movs{bw|x} {$src, $dst|$dst, $src}",
2320 [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2321 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
2322 "movs{bl|x} {$src, $dst|$dst, $src}",
2323 [(set R32:$dst, (sext R8:$src))]>, TB;
2324 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2325 "movs{bl|x} {$src, $dst|$dst, $src}",
2326 [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2327 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
2328 "movs{wl|x} {$src, $dst|$dst, $src}",
2329 [(set R32:$dst, (sext R16:$src))]>, TB;
2330 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2331 "movs{wl|x} {$src, $dst|$dst, $src}",
2332 [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2334 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
2335 "movz{bw|x} {$src, $dst|$dst, $src}",
2336 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
2337 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2338 "movz{bw|x} {$src, $dst|$dst, $src}",
2339 [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2340 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
2341 "movz{bl|x} {$src, $dst|$dst, $src}",
2342 [(set R32:$dst, (zext R8:$src))]>, TB;
2343 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2344 "movz{bl|x} {$src, $dst|$dst, $src}",
2345 [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2346 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
2347 "movz{wl|x} {$src, $dst|$dst, $src}",
2348 [(set R32:$dst, (zext R16:$src))]>, TB;
2349 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2350 "movz{wl|x} {$src, $dst|$dst, $src}",
2351 [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2353 //===----------------------------------------------------------------------===//
2354 // XMM Floating point support (requires SSE / SSE2)
2355 //===----------------------------------------------------------------------===//
2357 def MOVSSrr : I<0x10, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2358 "movss {$src, $dst|$dst, $src}", []>,
2359 Requires<[HasSSE1]>, XS;
2360 def MOVSDrr : I<0x10, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2361 "movsd {$src, $dst|$dst, $src}", []>,
2362 Requires<[HasSSE2]>, XD;
2364 def MOVSSrm : I<0x10, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2365 "movss {$src, $dst|$dst, $src}",
2366 [(set FR32:$dst, (loadf32 addr:$src))]>,
2367 Requires<[HasSSE1]>, XS;
2368 def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, FR32:$src),
2369 "movss {$src, $dst|$dst, $src}",
2370 [(store FR32:$src, addr:$dst)]>,
2371 Requires<[HasSSE1]>, XS;
2372 def MOVSDrm : I<0x10, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2373 "movsd {$src, $dst|$dst, $src}",
2374 [(set FR64:$dst, (loadf64 addr:$src))]>,
2375 Requires<[HasSSE2]>, XD;
2376 def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, FR64:$src),
2377 "movsd {$src, $dst|$dst, $src}",
2378 [(store FR64:$src, addr:$dst)]>,
2379 Requires<[HasSSE2]>, XD;
2381 def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR64:$src),
2382 "cvttsd2si {$src, $dst|$dst, $src}",
2383 [(set R32:$dst, (fp_to_sint FR64:$src))]>,
2384 Requires<[HasSSE2]>, XD;
2385 def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
2386 "cvttsd2si {$src, $dst|$dst, $src}",
2387 [(set R32:$dst, (fp_to_sint (loadf64 addr:$src)))]>,
2388 Requires<[HasSSE2]>, XD;
2389 def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR32:$src),
2390 "cvttss2si {$src, $dst|$dst, $src}",
2391 [(set R32:$dst, (fp_to_sint FR32:$src))]>,
2392 Requires<[HasSSE1]>, XS;
2393 def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
2394 "cvttss2si {$src, $dst|$dst, $src}",
2395 [(set R32:$dst, (fp_to_sint (loadf32 addr:$src)))]>,
2396 Requires<[HasSSE1]>, XS;
2397 def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops FR32:$dst, FR64:$src),
2398 "cvtsd2ss {$src, $dst|$dst, $src}",
2399 [(set FR32:$dst, (fround FR64:$src))]>,
2400 Requires<[HasSSE2]>, XS;
2401 def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops FR32:$dst, f64mem:$src),
2402 "cvtsd2ss {$src, $dst|$dst, $src}",
2403 [(set FR32:$dst, (fround (loadf64 addr:$src)))]>,
2404 Requires<[HasSSE2]>, XS;
2405 def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops FR64:$dst, FR32:$src),
2406 "cvtss2sd {$src, $dst|$dst, $src}",
2407 [(set FR64:$dst, (fextend FR32:$src))]>,
2408 Requires<[HasSSE2]>, XD;
2409 def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops FR64:$dst, f32mem:$src),
2410 "cvtss2sd {$src, $dst|$dst, $src}",
2411 [(set FR64:$dst, (fextend (loadf32 addr:$src)))]>,
2412 Requires<[HasSSE2]>, XD;
2413 def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops FR32:$dst, R32:$src),
2414 "cvtsi2ss {$src, $dst|$dst, $src}",
2415 [(set FR32:$dst, (sint_to_fp R32:$src))]>,
2416 Requires<[HasSSE2]>, XS;
2417 def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops FR32:$dst, i32mem:$src),
2418 "cvtsi2ss {$src, $dst|$dst, $src}",
2419 [(set FR32:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2420 Requires<[HasSSE2]>, XS;
2421 def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops FR64:$dst, R32:$src),
2422 "cvtsi2sd {$src, $dst|$dst, $src}",
2423 [(set FR64:$dst, (sint_to_fp R32:$src))]>,
2424 Requires<[HasSSE2]>, XD;
2425 def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops FR64:$dst, i32mem:$src),
2426 "cvtsi2sd {$src, $dst|$dst, $src}",
2427 [(set FR64:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2428 Requires<[HasSSE2]>, XD;
2430 def SQRTSSrm : I<0x51, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2431 "sqrtss {$src, $dst|$dst, $src}",
2432 [(set FR32:$dst, (fsqrt (loadf32 addr:$src)))]>,
2433 Requires<[HasSSE1]>, XS;
2434 def SQRTSSrr : I<0x51, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2435 "sqrtss {$src, $dst|$dst, $src}",
2436 [(set FR32:$dst, (fsqrt FR32:$src))]>,
2437 Requires<[HasSSE1]>, XS;
2438 def SQRTSDrm : I<0x51, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2439 "sqrtsd {$src, $dst|$dst, $src}",
2440 [(set FR64:$dst, (fsqrt (loadf64 addr:$src)))]>,
2441 Requires<[HasSSE2]>, XD;
2442 def SQRTSDrr : I<0x51, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2443 "sqrtsd {$src, $dst|$dst, $src}",
2444 [(set FR64:$dst, (fsqrt FR64:$src))]>,
2445 Requires<[HasSSE2]>, XD;
2447 def UCOMISDrr: I<0x2E, MRMSrcReg, (ops FR64:$src1, FR64:$src2),
2448 "ucomisd {$src2, $src1|$src1, $src2}",
2449 [(set STATUS, (X86cmp FR64:$src1, FR64:$src2))]>,
2450 Requires<[HasSSE2]>, TB, OpSize;
2451 def UCOMISDrm: I<0x2E, MRMSrcMem, (ops FR64:$src1, f64mem:$src2),
2452 "ucomisd {$src2, $src1|$src1, $src2}",
2453 [(set STATUS, (X86cmp FR64:$src1, (loadf64 addr:$src2)))]>,
2454 Imp<[],[STATUS]>, Requires<[HasSSE2]>, TB, OpSize;
2455 def UCOMISSrr: I<0x2E, MRMSrcReg, (ops FR32:$src1, FR32:$src2),
2456 "ucomiss {$src2, $src1|$src1, $src2}",
2457 [(set STATUS, (X86cmp FR32:$src1, FR32:$src2))]>,
2458 Imp<[],[STATUS]>, Requires<[HasSSE1]>, TB;
2459 def UCOMISSrm: I<0x2E, MRMSrcMem, (ops FR32:$src1, f32mem:$src2),
2460 "ucomiss {$src2, $src1|$src1, $src2}",
2461 [(set STATUS, (X86cmp FR32:$src1, (loadf32 addr:$src2)))]>,
2462 Imp<[],[STATUS]>, Requires<[HasSSE1]>, TB;
2464 // Pseudo-instructions that map fld0 to xorps/xorpd for sse.
2465 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2466 def FLD0SS : I<0x57, MRMSrcReg, (ops FR32:$dst),
2467 "xorps $dst, $dst", [(set FR32:$dst, fp32imm0)]>,
2468 Requires<[HasSSE1]>, TB;
2469 def FLD0SD : I<0x57, MRMSrcReg, (ops FR64:$dst),
2470 "xorpd $dst, $dst", [(set FR64:$dst, fp64imm0)]>,
2471 Requires<[HasSSE2]>, TB, OpSize;
2473 let isTwoAddress = 1 in {
2474 // SSE Scalar Arithmetic
2475 let isCommutable = 1 in {
2476 def ADDSSrr : I<0x58, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2477 "addss {$src2, $dst|$dst, $src2}",
2478 [(set FR32:$dst, (fadd FR32:$src1, FR32:$src2))]>,
2479 Requires<[HasSSE1]>, XS;
2480 def ADDSDrr : I<0x58, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2481 "addsd {$src2, $dst|$dst, $src2}",
2482 [(set FR64:$dst, (fadd FR64:$src1, FR64:$src2))]>,
2483 Requires<[HasSSE2]>, XD;
2484 def MULSSrr : I<0x59, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2485 "mulss {$src2, $dst|$dst, $src2}",
2486 [(set FR32:$dst, (fmul FR32:$src1, FR32:$src2))]>,
2487 Requires<[HasSSE1]>, XS;
2488 def MULSDrr : I<0x59, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2489 "mulsd {$src2, $dst|$dst, $src2}",
2490 [(set FR64:$dst, (fmul FR64:$src1, FR64:$src2))]>,
2491 Requires<[HasSSE2]>, XD;
2494 def ADDSSrm : I<0x58, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2495 "addss {$src2, $dst|$dst, $src2}",
2496 [(set FR32:$dst, (fadd FR32:$src1, (loadf32 addr:$src2)))]>,
2497 Requires<[HasSSE1]>, XS;
2498 def ADDSDrm : I<0x58, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2499 "addsd {$src2, $dst|$dst, $src2}",
2500 [(set FR64:$dst, (fadd FR64:$src1, (loadf64 addr:$src2)))]>,
2501 Requires<[HasSSE2]>, XD;
2502 def MULSSrm : I<0x59, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2503 "mulss {$src2, $dst|$dst, $src2}",
2504 [(set FR32:$dst, (fmul FR32:$src1, (loadf32 addr:$src2)))]>,
2505 Requires<[HasSSE1]>, XS;
2506 def MULSDrm : I<0x59, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2507 "mulsd {$src2, $dst|$dst, $src2}",
2508 [(set FR64:$dst, (fmul FR64:$src1, (loadf64 addr:$src2)))]>,
2509 Requires<[HasSSE2]>, XD;
2511 def DIVSSrr : I<0x5E, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2512 "divss {$src2, $dst|$dst, $src2}",
2513 [(set FR32:$dst, (fdiv FR32:$src1, FR32:$src2))]>,
2514 Requires<[HasSSE1]>, XS;
2515 def DIVSSrm : I<0x5E, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2516 "divss {$src2, $dst|$dst, $src2}",
2517 [(set FR32:$dst, (fdiv FR32:$src1, (loadf32 addr:$src2)))]>,
2518 Requires<[HasSSE1]>, XS;
2519 def DIVSDrr : I<0x5E, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2520 "divsd {$src2, $dst|$dst, $src2}",
2521 [(set FR64:$dst, (fdiv FR64:$src1, FR64:$src2))]>,
2522 Requires<[HasSSE2]>, XD;
2523 def DIVSDrm : I<0x5E, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2524 "divsd {$src2, $dst|$dst, $src2}",
2525 [(set FR64:$dst, (fdiv FR64:$src1, (loadf64 addr:$src2)))]>,
2526 Requires<[HasSSE2]>, XD;
2528 def SUBSSrr : I<0x5C, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2529 "subss {$src2, $dst|$dst, $src2}",
2530 [(set FR32:$dst, (fsub FR32:$src1, FR32:$src2))]>,
2531 Requires<[HasSSE1]>, XS;
2532 def SUBSSrm : I<0x5C, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2533 "subss {$src2, $dst|$dst, $src2}",
2534 [(set FR32:$dst, (fsub FR32:$src1, (loadf32 addr:$src2)))]>,
2535 Requires<[HasSSE1]>, XS;
2536 def SUBSDrr : I<0x5C, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2537 "subsd {$src2, $dst|$dst, $src2}",
2538 [(set FR64:$dst, (fsub FR64:$src1, FR64:$src2))]>,
2539 Requires<[HasSSE2]>, XD;
2540 def SUBSDrm : I<0x5C, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2541 "subsd {$src2, $dst|$dst, $src2}",
2542 [(set FR64:$dst, (fsub FR64:$src1, (loadf64 addr:$src2)))]>,
2543 Requires<[HasSSE2]>, XD;
2546 let isCommutable = 1 in {
2547 def ANDPSrr : I<0x54, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2548 "andps {$src2, $dst|$dst, $src2}", []>,
2549 Requires<[HasSSE1]>, TB;
2550 def ANDPDrr : I<0x54, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2551 "andpd {$src2, $dst|$dst, $src2}", []>,
2552 Requires<[HasSSE2]>, TB, OpSize;
2553 def ORPSrr : I<0x56, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2554 "orps {$src2, $dst|$dst, $src2}", []>,
2555 Requires<[HasSSE1]>, TB;
2556 def ORPDrr : I<0x56, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2557 "orpd {$src2, $dst|$dst, $src2}", []>,
2558 Requires<[HasSSE2]>, TB, OpSize;
2559 def XORPSrr : I<0x57, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2560 "xorps {$src2, $dst|$dst, $src2}", []>,
2561 Requires<[HasSSE1]>, TB;
2562 def XORPDrr : I<0x57, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2563 "xorpd {$src2, $dst|$dst, $src2}", []>,
2564 Requires<[HasSSE2]>, TB, OpSize;
2566 def ANDNPSrr : I<0x55, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2567 "andnps {$src2, $dst|$dst, $src2}", []>,
2568 Requires<[HasSSE1]>, TB;
2569 def ANDNPDrr : I<0x55, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2570 "andnpd {$src2, $dst|$dst, $src2}", []>,
2571 Requires<[HasSSE2]>, TB, OpSize;
2573 def CMPSSrr : I<0xC2, MRMSrcReg,
2574 (ops FR32:$dst, FR32:$src1, FR32:$src, SSECC:$cc),
2575 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2576 Requires<[HasSSE1]>, XS;
2577 def CMPSSrm : I<0xC2, MRMSrcMem,
2578 (ops FR32:$dst, FR32:$src1, f32mem:$src, SSECC:$cc),
2579 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2580 Requires<[HasSSE1]>, XS;
2581 def CMPSDrr : I<0xC2, MRMSrcReg,
2582 (ops FR64:$dst, FR64:$src1, FR64:$src, SSECC:$cc),
2583 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2584 Requires<[HasSSE1]>, XD;
2585 def CMPSDrm : I<0xC2, MRMSrcMem,
2586 (ops FR64:$dst, FR64:$src1, f64mem:$src, SSECC:$cc),
2587 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2588 Requires<[HasSSE2]>, XD;
2591 //===----------------------------------------------------------------------===//
2592 // Floating Point Stack Support
2593 //===----------------------------------------------------------------------===//
2595 // Floating point support. All FP Stack operations are represented with two
2596 // instructions here. The first instruction, generated by the instruction
2597 // selector, uses "RFP" registers: a traditional register file to reference
2598 // floating point values. These instructions are all psuedo instructions and
2599 // use the "Fp" prefix. The second instruction is defined with FPI, which is
2600 // the actual instruction emitted by the assembler. The FP stackifier pass
2601 // converts one to the other after register allocation occurs.
2603 // Note that the FpI instruction should have instruction selection info (e.g.
2604 // a pattern) and the FPI instruction should have emission info (e.g. opcode
2605 // encoding and asm printing info).
2607 // FPI - Floating Point Instruction template.
2608 class FPI<bits<8> o, Format F, dag ops, string asm> : I<o, F, ops, asm, []> {}
2610 // FpI_ - Floating Point Psuedo Instruction template. Not Predicated.
2611 class FpI_<dag ops, FPFormat fp, list<dag> pattern>
2612 : X86Inst<0, Pseudo, NoImm, ops, ""> {
2613 let FPForm = fp; let FPFormBits = FPForm.Value;
2614 let Pattern = pattern;
2617 // Random Pseudo Instructions.
2618 def FpGETRESULT : FpI_<(ops RFP:$dst), SpecialFP,
2619 [(set RFP:$dst, X86fpget)]>; // FPR = ST(0)
2621 let noResults = 1 in
2622 def FpSETRESULT : FpI_<(ops RFP:$src), SpecialFP,
2623 [(X86fpset RFP:$src)]>, Imp<[], [ST0]>; // ST(0) = FPR
2625 // FpI - Floating Point Psuedo Instruction template. Predicated on FPStack.
2626 class FpI<dag ops, FPFormat fp, list<dag> pattern> :
2627 FpI_<ops, fp, pattern>, Requires<[FPStack]>;
2630 def FpMOV : FpI<(ops RFP:$dst, RFP:$src), SpecialFP, []>; // f1 = fmov f2
2633 // Add, Sub, Mul, Div.
2634 def FpADD : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2635 [(set RFP:$dst, (fadd RFP:$src1, RFP:$src2))]>;
2636 def FpSUB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2637 [(set RFP:$dst, (fsub RFP:$src1, RFP:$src2))]>;
2638 def FpMUL : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2639 [(set RFP:$dst, (fmul RFP:$src1, RFP:$src2))]>;
2640 def FpDIV : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2641 [(set RFP:$dst, (fdiv RFP:$src1, RFP:$src2))]>;
2643 class FPST0rInst<bits<8> o, string asm>
2644 : FPI<o, AddRegFrm, (ops RST:$op), asm>, D8;
2645 class FPrST0Inst<bits<8> o, string asm>
2646 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DC;
2647 class FPrST0PInst<bits<8> o, string asm>
2648 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DE;
2650 // Binary Ops with a memory source.
2651 def FpADD32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2652 [(set RFP:$dst, (fadd RFP:$src1,
2653 (extloadf64f32 addr:$src2)))]>;
2654 // ST(0) = ST(0) + [mem32]
2655 def FpADD64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2656 [(set RFP:$dst, (fadd RFP:$src1, (loadf64 addr:$src2)))]>;
2657 // ST(0) = ST(0) + [mem64]
2658 def FpMUL32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2659 [(set RFP:$dst, (fmul RFP:$src1,
2660 (extloadf64f32 addr:$src2)))]>;
2661 // ST(0) = ST(0) * [mem32]
2662 def FpMUL64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2663 [(set RFP:$dst, (fmul RFP:$src1, (loadf64 addr:$src2)))]>;
2664 // ST(0) = ST(0) * [mem64]
2665 def FpSUB32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2666 [(set RFP:$dst, (fsub RFP:$src1,
2667 (extloadf64f32 addr:$src2)))]>;
2668 // ST(0) = ST(0) - [mem32]
2669 def FpSUB64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2670 [(set RFP:$dst, (fsub RFP:$src1, (loadf64 addr:$src2)))]>;
2671 // ST(0) = ST(0) - [mem64]
2672 def FpSUBR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2673 [(set RFP:$dst, (fsub (extloadf64f32 addr:$src2),
2675 // ST(0) = [mem32] - ST(0)
2676 def FpSUBR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2677 [(set RFP:$dst, (fsub (loadf64 addr:$src2), RFP:$src1))]>;
2678 // ST(0) = [mem64] - ST(0)
2679 def FpDIV32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2680 [(set RFP:$dst, (fdiv RFP:$src1,
2681 (extloadf64f32 addr:$src2)))]>;
2682 // ST(0) = ST(0) / [mem32]
2683 def FpDIV64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2684 [(set RFP:$dst, (fdiv RFP:$src1, (loadf64 addr:$src2)))]>;
2685 // ST(0) = ST(0) / [mem64]
2686 def FpDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2687 [(set RFP:$dst, (fdiv (extloadf64f32 addr:$src2),
2689 // ST(0) = [mem32] / ST(0)
2690 def FpDIVR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2691 [(set RFP:$dst, (fdiv (loadf64 addr:$src2), RFP:$src1))]>;
2692 // ST(0) = [mem64] / ST(0)
2695 def FADD32m : FPI<0xD8, MRM0m, (ops f32mem:$src), "fadd{s} $src">;
2696 def FADD64m : FPI<0xDC, MRM0m, (ops f64mem:$src), "fadd{l} $src">;
2697 def FMUL32m : FPI<0xD8, MRM1m, (ops f32mem:$src), "fmul{s} $src">;
2698 def FMUL64m : FPI<0xDC, MRM1m, (ops f64mem:$src), "fmul{l} $src">;
2699 def FSUB32m : FPI<0xD8, MRM4m, (ops f32mem:$src), "fsub{s} $src">;
2700 def FSUB64m : FPI<0xDC, MRM4m, (ops f64mem:$src), "fsub{l} $src">;
2701 def FSUBR32m : FPI<0xD8, MRM5m, (ops f32mem:$src), "fsubr{s} $src">;
2702 def FSUBR64m : FPI<0xDC, MRM5m, (ops f64mem:$src), "fsubr{l} $src">;
2703 def FDIV32m : FPI<0xD8, MRM6m, (ops f32mem:$src), "fdiv{s} $src">;
2704 def FDIV64m : FPI<0xDC, MRM6m, (ops f64mem:$src), "fdiv{l} $src">;
2705 def FDIVR32m : FPI<0xD8, MRM7m, (ops f32mem:$src), "fdivr{s} $src">;
2706 def FDIVR64m : FPI<0xDC, MRM7m, (ops f64mem:$src), "fdivr{l} $src">;
2708 // FIXME: Implement these when we have a dag-dag isel!
2709 def FpIADD16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2710 [(set RFP:$dst, (fadd RFP:$src1,
2711 (X86fild addr:$src2, i16)))]>;
2712 // ST(0) = ST(0) + [mem16int]
2713 def FpIADD32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2714 [(set RFP:$dst, (fadd RFP:$src1,
2715 (X86fild addr:$src2, i32)))]>;
2716 // ST(0) = ST(0) + [mem32int]
2717 def FpIMUL16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2718 [(set RFP:$dst, (fmul RFP:$src1,
2719 (X86fild addr:$src2, i16)))]>;
2720 // ST(0) = ST(0) * [mem16int]
2721 def FpIMUL32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2722 [(set RFP:$dst, (fmul RFP:$src1,
2723 (X86fild addr:$src2, i32)))]>;
2724 // ST(0) = ST(0) * [mem32int]
2725 def FpISUB16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2726 [(set RFP:$dst, (fsub RFP:$src1,
2727 (X86fild addr:$src2, i16)))]>;
2728 // ST(0) = ST(0) - [mem16int]
2729 def FpISUB32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2730 [(set RFP:$dst, (fsub RFP:$src1,
2731 (X86fild addr:$src2, i32)))]>;
2732 // ST(0) = ST(0) - [mem32int]
2733 def FpISUBR16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2734 [(set RFP:$dst, (fsub (X86fild addr:$src2, i16),
2736 // ST(0) = [mem16int] - ST(0)
2737 def FpISUBR32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2738 [(set RFP:$dst, (fsub (X86fild addr:$src2, i32),
2740 // ST(0) = [mem32int] - ST(0)
2741 def FpIDIV16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2742 [(set RFP:$dst, (fdiv RFP:$src1,
2743 (X86fild addr:$src2, i16)))]>;
2744 // ST(0) = ST(0) / [mem16int]
2745 def FpIDIV32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2746 [(set RFP:$dst, (fdiv RFP:$src1,
2747 (X86fild addr:$src2, i32)))]>;
2748 // ST(0) = ST(0) / [mem32int]
2749 def FpIDIVR16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2750 [(set RFP:$dst, (fdiv (X86fild addr:$src2, i16),
2752 // ST(0) = [mem16int] / ST(0)
2753 def FpIDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2754 [(set RFP:$dst, (fdiv (X86fild addr:$src2, i32),
2756 // ST(0) = [mem32int] / ST(0)
2758 def FIADD16m : FPI<0xDE, MRM0m, (ops i16mem:$src), "fiadd{s} $src">;
2759 def FIADD32m : FPI<0xDA, MRM0m, (ops i32mem:$src), "fiadd{l} $src">;
2760 def FIMUL16m : FPI<0xDE, MRM1m, (ops i16mem:$src), "fimul{s} $src">;
2761 def FIMUL32m : FPI<0xDA, MRM1m, (ops i32mem:$src), "fimul{l} $src">;
2762 def FISUB16m : FPI<0xDE, MRM4m, (ops i16mem:$src), "fisub{s} $src">;
2763 def FISUB32m : FPI<0xDA, MRM4m, (ops i32mem:$src), "fisub{l} $src">;
2764 def FISUBR16m : FPI<0xDE, MRM5m, (ops i16mem:$src), "fisubr{s} $src">;
2765 def FISUBR32m : FPI<0xDA, MRM5m, (ops i32mem:$src), "fisubr{l} $src">;
2766 def FIDIV16m : FPI<0xDE, MRM6m, (ops i16mem:$src), "fidiv{s} $src">;
2767 def FIDIV32m : FPI<0xDA, MRM6m, (ops i32mem:$src), "fidiv{s} $src">;
2768 def FIDIVR16m : FPI<0xDE, MRM7m, (ops i16mem:$src), "fidivr{s} $src">;
2769 def FIDIVR32m : FPI<0xDA, MRM7m, (ops i32mem:$src), "fidivr{s} $src">;
2771 // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion
2772 // of some of the 'reverse' forms of the fsub and fdiv instructions. As such,
2773 // we have to put some 'r's in and take them out of weird places.
2774 def FADDST0r : FPST0rInst <0xC0, "fadd $op">;
2775 def FADDrST0 : FPrST0Inst <0xC0, "fadd {%ST(0), $op|$op, %ST(0)}">;
2776 def FADDPrST0 : FPrST0PInst<0xC0, "faddp $op">;
2777 def FSUBRST0r : FPST0rInst <0xE8, "fsubr $op">;
2778 def FSUBrST0 : FPrST0Inst <0xE8, "fsub{r} {%ST(0), $op|$op, %ST(0)}">;
2779 def FSUBPrST0 : FPrST0PInst<0xE8, "fsub{r}p $op">;
2780 def FSUBST0r : FPST0rInst <0xE0, "fsub $op">;
2781 def FSUBRrST0 : FPrST0Inst <0xE0, "fsub{|r} {%ST(0), $op|$op, %ST(0)}">;
2782 def FSUBRPrST0 : FPrST0PInst<0xE0, "fsub{|r}p $op">;
2783 def FMULST0r : FPST0rInst <0xC8, "fmul $op">;
2784 def FMULrST0 : FPrST0Inst <0xC8, "fmul {%ST(0), $op|$op, %ST(0)}">;
2785 def FMULPrST0 : FPrST0PInst<0xC8, "fmulp $op">;
2786 def FDIVRST0r : FPST0rInst <0xF8, "fdivr $op">;
2787 def FDIVrST0 : FPrST0Inst <0xF8, "fdiv{r} {%ST(0), $op|$op, %ST(0)}">;
2788 def FDIVPrST0 : FPrST0PInst<0xF8, "fdiv{r}p $op">;
2789 def FDIVST0r : FPST0rInst <0xF0, "fdiv $op">;
2790 def FDIVRrST0 : FPrST0Inst <0xF0, "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">;
2791 def FDIVRPrST0 : FPrST0PInst<0xF0, "fdiv{|r}p $op">;
2794 // Unary operations.
2795 def FpCHS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2796 [(set RFP:$dst, (fneg RFP:$src))]>;
2797 def FpABS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2798 [(set RFP:$dst, (fabs RFP:$src))]>;
2799 def FpSQRT : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2800 [(set RFP:$dst, (fsqrt RFP:$src))]>;
2801 def FpSIN : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2802 [(set RFP:$dst, (fsin RFP:$src))]>;
2803 def FpCOS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2804 [(set RFP:$dst, (fcos RFP:$src))]>;
2805 def FpTST : FpI<(ops RFP:$src), OneArgFP,
2808 def FCHS : FPI<0xE0, RawFrm, (ops), "fchs">, D9;
2809 def FABS : FPI<0xE1, RawFrm, (ops), "fabs">, D9;
2810 def FSQRT : FPI<0xFA, RawFrm, (ops), "fsqrt">, D9;
2811 def FSIN : FPI<0xFE, RawFrm, (ops), "fsin">, D9;
2812 def FCOS : FPI<0xFF, RawFrm, (ops), "fcos">, D9;
2813 def FTST : FPI<0xE4, RawFrm, (ops), "ftst">, D9;
2816 // Floating point cmovs.
2817 let isTwoAddress = 1 in {
2818 def FpCMOVB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2819 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2820 X86_COND_B, STATUS))]>;
2821 def FpCMOVBE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2822 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2823 X86_COND_BE, STATUS))]>;
2824 def FpCMOVE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2825 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2826 X86_COND_E, STATUS))]>;
2827 def FpCMOVP : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2828 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2829 X86_COND_P, STATUS))]>;
2830 def FpCMOVAE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2831 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2832 X86_COND_AE, STATUS))]>;
2833 def FpCMOVA : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2834 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2835 X86_COND_A, STATUS))]>;
2836 def FpCMOVNE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2837 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2838 X86_COND_NE, STATUS))]>;
2839 def FpCMOVNP : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2840 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2841 X86_COND_NP, STATUS))]>;
2844 def FCMOVB : FPI<0xC0, AddRegFrm, (ops RST:$op),
2845 "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA;
2846 def FCMOVBE : FPI<0xD0, AddRegFrm, (ops RST:$op),
2847 "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
2848 def FCMOVE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2849 "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
2850 def FCMOVP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2851 "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA;
2852 def FCMOVAE : FPI<0xC0, AddRegFrm, (ops RST:$op),
2853 "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
2854 def FCMOVA : FPI<0xD0, AddRegFrm, (ops RST:$op),
2855 "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
2856 def FCMOVNE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2857 "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
2858 def FCMOVNP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2859 "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
2861 // Floating point loads & stores.
2862 def FpLD32m : FpI<(ops RFP:$dst, f32mem:$src), ZeroArgFP,
2863 [(set RFP:$dst, (extloadf64f32 addr:$src))]>;
2864 def FpLD64m : FpI<(ops RFP:$dst, f64mem:$src), ZeroArgFP,
2865 [(set RFP:$dst, (loadf64 addr:$src))]>;
2866 def FpILD16m : FpI<(ops RFP:$dst, i16mem:$src), ZeroArgFP,
2867 [(set RFP:$dst, (X86fild addr:$src, i16))]>;
2868 def FpILD32m : FpI<(ops RFP:$dst, i32mem:$src), ZeroArgFP,
2869 [(set RFP:$dst, (X86fild addr:$src, i32))]>;
2870 def FpILD64m : FpI<(ops RFP:$dst, i64mem:$src), ZeroArgFP,
2871 [(set RFP:$dst, (X86fild addr:$src, i64))]>;
2873 def FpST32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP,
2874 [(truncstore RFP:$src, addr:$op, f32)]>;
2875 def FpST64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP,
2876 [(store RFP:$src, addr:$op)]>;
2878 def FpSTP32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP, []>;
2879 def FpSTP64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP, []>;
2880 def FpIST16m : FpI<(ops i16mem:$op, RFP:$src), OneArgFP, []>;
2881 def FpIST32m : FpI<(ops i32mem:$op, RFP:$src), OneArgFP, []>;
2882 def FpIST64m : FpI<(ops i64mem:$op, RFP:$src), OneArgFP, []>;
2884 def FLD32m : FPI<0xD9, MRM0m, (ops f32mem:$src), "fld{s} $src">;
2885 def FLD64m : FPI<0xDD, MRM0m, (ops f64mem:$src), "fld{l} $src">;
2886 def FILD16m : FPI<0xDF, MRM0m, (ops i16mem:$src), "fild{s} $src">;
2887 def FILD32m : FPI<0xDB, MRM0m, (ops i32mem:$src), "fild{l} $src">;
2888 def FILD64m : FPI<0xDF, MRM5m, (ops i64mem:$src), "fild{ll} $src">;
2889 def FST32m : FPI<0xD9, MRM2m, (ops f32mem:$dst), "fst{s} $dst">;
2890 def FST64m : FPI<0xDD, MRM2m, (ops f64mem:$dst), "fst{l} $dst">;
2891 def FSTP32m : FPI<0xD9, MRM3m, (ops f32mem:$dst), "fstp{s} $dst">;
2892 def FSTP64m : FPI<0xDD, MRM3m, (ops f64mem:$dst), "fstp{l} $dst">;
2893 def FIST16m : FPI<0xDF, MRM2m, (ops i16mem:$dst), "fist{s} $dst">;
2894 def FIST32m : FPI<0xDB, MRM2m, (ops i32mem:$dst), "fist{l} $dst">;
2895 def FISTP16m : FPI<0xDF, MRM3m, (ops i16mem:$dst), "fistp{s} $dst">;
2896 def FISTP32m : FPI<0xDB, MRM3m, (ops i32mem:$dst), "fistp{l} $dst">;
2897 def FISTP64m : FPI<0xDF, MRM7m, (ops i64mem:$dst), "fistp{ll} $dst">;
2899 // FP Stack manipulation instructions.
2900 def FLDrr : FPI<0xC0, AddRegFrm, (ops RST:$op), "fld $op">, D9;
2901 def FSTrr : FPI<0xD0, AddRegFrm, (ops RST:$op), "fst $op">, DD;
2902 def FSTPrr : FPI<0xD8, AddRegFrm, (ops RST:$op), "fstp $op">, DD;
2903 def FXCH : FPI<0xC8, AddRegFrm, (ops RST:$op), "fxch $op">, D9;
2905 // Floating point constant loads.
2906 def FpLD0 : FpI<(ops RFP:$dst), ZeroArgFP,
2907 [(set RFP:$dst, fp64imm0)]>;
2908 def FpLD1 : FpI<(ops RFP:$dst), ZeroArgFP,
2909 [(set RFP:$dst, fp64imm1)]>;
2911 def FLD0 : FPI<0xEE, RawFrm, (ops), "fldz">, D9;
2912 def FLD1 : FPI<0xE8, RawFrm, (ops), "fld1">, D9;
2915 // Floating point compares.
2916 def FpUCOMr : FpI<(ops RFP:$lhs, RFP:$rhs), CompareFP,
2917 []>; // FPSW = cmp ST(0) with ST(i)
2918 def FpUCOMIr : FpI<(ops RFP:$lhs, RFP:$rhs), CompareFP,
2919 [(set STATUS, (X86cmp RFP:$lhs, RFP:$rhs))]>,
2920 Imp<[],[STATUS]>; // CC = cmp ST(0) with ST(i)
2922 def FUCOMr : FPI<0xE0, AddRegFrm, // FPSW = cmp ST(0) with ST(i)
2924 "fucom $reg">, DD, Imp<[ST0],[]>;
2925 def FUCOMPr : FPI<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
2927 "fucomp $reg">, DD, Imp<[ST0],[]>;
2928 def FUCOMPPr : FPI<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
2930 "fucompp">, DA, Imp<[ST0],[]>;
2932 def FUCOMIr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i)
2934 "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>;
2935 def FUCOMIPr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
2937 "fucomip {$reg, %ST(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>;
2940 // Floating point flag ops.
2941 def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
2942 (ops), "fnstsw", []>, DF, Imp<[],[AX]>;
2944 def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
2945 (ops i16mem:$dst), "fnstcw $dst", []>;
2946 def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
2947 (ops i16mem:$dst), "fldcw $dst", []>;
2950 //===----------------------------------------------------------------------===//
2951 // Miscellaneous Instructions
2952 //===----------------------------------------------------------------------===//
2954 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
2955 TB, Imp<[],[EAX,EDX]>;
2958 //===----------------------------------------------------------------------===//
2959 // Non-Instruction Patterns
2960 //===----------------------------------------------------------------------===//
2962 // GlobalAddress and ExternalSymbol
2963 def : Pat<(i32 globaladdr:$dst), (MOV32ri tglobaladdr:$dst)>;
2964 def : Pat<(i32 externalsym:$dst), (MOV32ri texternalsym:$dst)>;
2967 def : Pat<(X86call tglobaladdr:$dst),
2968 (CALLpcrel32 tglobaladdr:$dst)>;
2969 def : Pat<(X86call texternalsym:$dst),
2970 (CALLpcrel32 texternalsym:$dst)>;
2972 // X86 specific add which produces a flag.
2973 def : Pat<(X86addflag R32:$src1, R32:$src2),
2974 (ADD32rr R32:$src1, R32:$src2)>;
2975 def : Pat<(X86addflag R32:$src1, (load addr:$src2)),
2976 (ADD32rm R32:$src1, addr:$src2)>;
2977 def : Pat<(X86addflag R32:$src1, imm:$src2),
2978 (ADD32ri R32:$src1, imm:$src2)>;
2979 def : Pat<(X86addflag R32:$src1, i32immSExt8:$src2),
2980 (ADD32ri8 R32:$src1, i32immSExt8:$src2)>;
2982 def : Pat<(X86subflag R32:$src1, R32:$src2),
2983 (SUB32rr R32:$src1, R32:$src2)>;
2984 def : Pat<(X86subflag R32:$src1, (load addr:$src2)),
2985 (SUB32rm R32:$src1, addr:$src2)>;
2986 def : Pat<(X86subflag R32:$src1, imm:$src2),
2987 (SUB32ri R32:$src1, imm:$src2)>;
2988 def : Pat<(X86subflag R32:$src1, i32immSExt8:$src2),
2989 (SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
2991 def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
2992 (MOV8mi addr:$dst, imm:$src)>;
2993 def : Pat<(truncstore R8:$src, addr:$dst, i1),
2994 (MOV8mr addr:$dst, R8:$src)>;
2996 // {s|z}extload bool -> {s|z}extload byte
2997 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2998 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2999 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3000 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3002 // extload bool -> extload byte
3003 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3006 def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
3007 def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
3008 def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
3010 // Required for RET of f32 / f64 values.
3011 def : Pat<(X86fld addr:$src, f32), (FpLD32m addr:$src)>;
3012 def : Pat<(X86fld addr:$src, f64), (FpLD64m addr:$src)>;
3014 // Required for CALL which return f32 / f64 values.
3015 def : Pat<(X86fst RFP:$src, addr:$op, f32), (FpST32m addr:$op, RFP:$src)>;
3016 def : Pat<(X86fst RFP:$src, addr:$op, f64), (FpST64m addr:$op, RFP:$src)>;
3018 // Floatin point constant -0.0 and -1.0
3019 def : Pat<(f64 fp64immneg0), (FpCHS (FpLD0))>, Requires<[FPStack]>;
3020 def : Pat<(f64 fp64immneg1), (FpCHS (FpLD1))>, Requires<[FPStack]>;
3023 def : Pat<(f64 (undef)), (FpLD0)>, Requires<[FPStack]>;
3026 //===----------------------------------------------------------------------===//
3028 //===----------------------------------------------------------------------===//
3030 // (shl x, 1) ==> (add x, x)
3031 def : Pat<(shl R8 :$src1, (i8 1)), (ADD8rr R8 :$src1, R8 :$src1)>;
3032 def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
3033 def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;