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 // *mem - Operand definitions for the funky X86 addressing mode operands.
19 class X86MemOperand<ValueType Ty> : Operand<Ty> {
20 let PrintMethod = "printMemoryOperand";
21 let NumMIOperands = 4;
22 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
24 def SSECC : Operand<i8> {
25 let PrintMethod = "printSSECC";
28 def i8mem : X86MemOperand<i8>;
29 def i16mem : X86MemOperand<i16>;
30 def i32mem : X86MemOperand<i32>;
31 def i64mem : X86MemOperand<i64>;
32 def f32mem : X86MemOperand<f32>;
33 def f64mem : X86MemOperand<f64>;
34 def f80mem : X86MemOperand<f80>;
36 // A couple of more descriptive operand definitions.
37 // 16-bits but only 8 bits are significant.
38 def i16i8imm : Operand<i16>;
39 // 32-bits but only 8 bits are significant.
40 def i32i8imm : Operand<i32>;
42 // PCRelative calls need special operand formatting.
43 let PrintMethod = "printCallOperand" in
44 def calltarget : Operand<i32>;
46 // Format specifies the encoding used by the instruction. This is part of the
47 // ad-hoc solution used to emit machine instruction encodings by our machine
49 class Format<bits<5> val> {
53 def Pseudo : Format<0>; def RawFrm : Format<1>;
54 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
55 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
56 def MRMSrcMem : Format<6>;
57 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
58 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
59 def MRM6r : Format<22>; def MRM7r : Format<23>;
60 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
61 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
62 def MRM6m : Format<30>; def MRM7m : Format<31>;
64 // ImmType - This specifies the immediate type used by an instruction. This is
65 // part of the ad-hoc solution used to emit machine instruction encodings by our
66 // machine code emitter.
67 class ImmType<bits<2> val> {
70 def NoImm : ImmType<0>;
71 def Imm8 : ImmType<1>;
72 def Imm16 : ImmType<2>;
73 def Imm32 : ImmType<3>;
75 // FPFormat - This specifies what form this FP instruction has. This is used by
76 // the Floating-Point stackifier pass.
77 class FPFormat<bits<3> val> {
80 def NotFP : FPFormat<0>;
81 def ZeroArgFP : FPFormat<1>;
82 def OneArgFP : FPFormat<2>;
83 def OneArgFPRW : FPFormat<3>;
84 def TwoArgFP : FPFormat<4>;
85 def CompareFP : FPFormat<5>;
86 def CondMovFP : FPFormat<6>;
87 def SpecialFP : FPFormat<7>;
90 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
92 let Namespace = "X86";
94 bits<8> Opcode = opcod;
96 bits<5> FormBits = Form.Value;
98 bits<2> ImmTypeBits = ImmT.Value;
100 dag OperandList = ops;
101 string AsmString = AsmStr;
104 // Attributes specific to X86 instructions...
106 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
108 bits<4> Prefix = 0; // Which prefix byte does this inst have?
109 FPFormat FPForm; // What flavor of FP instruction is this?
110 bits<3> FPFormBits = 0;
113 class Imp<list<Register> uses, list<Register> defs> {
114 list<Register> Uses = uses;
115 list<Register> Defs = defs;
119 // Prefix byte classes which are used to indicate to the ad-hoc machine code
120 // emitter that various prefix bytes are required.
121 class OpSize { bit hasOpSizePrefix = 1; }
122 class TB { bits<4> Prefix = 1; }
123 class REP { bits<4> Prefix = 2; }
124 class D8 { bits<4> Prefix = 3; }
125 class D9 { bits<4> Prefix = 4; }
126 class DA { bits<4> Prefix = 5; }
127 class DB { bits<4> Prefix = 6; }
128 class DC { bits<4> Prefix = 7; }
129 class DD { bits<4> Prefix = 8; }
130 class DE { bits<4> Prefix = 9; }
131 class DF { bits<4> Prefix = 10; }
132 class XD { bits<4> Prefix = 11; }
133 class XS { bits<4> Prefix = 12; }
136 //===----------------------------------------------------------------------===//
137 // Pattern fragments...
139 def immSExt8 : PatLeaf<(imm), [{
140 // immSExt8 predicate - True if the immediate fits in a 8-bit sign extended
142 return (int)N->getValue() == (signed char)N->getValue();
145 //===----------------------------------------------------------------------===//
146 // Instruction templates...
148 class I<bits<8> o, Format f, dag ops, string asm>
149 : X86Inst<o, f, NoImm, ops, asm>;
150 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
151 : X86Inst<o, f, Imm8 , ops, asm> {
152 let Pattern = pattern;
154 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
155 : X86Inst<o, f, Imm16, ops, asm> {
156 let Pattern = pattern;
158 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
159 : X86Inst<o, f, Imm32, ops, asm> {
160 let Pattern = pattern;
163 //===----------------------------------------------------------------------===//
164 // Instruction list...
167 def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE">; // PHI node.
168 def NOOP : I<0x90, RawFrm, (ops), "nop">; // nop
170 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN">;
171 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
173 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE">;
174 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF">;
175 let isTerminator = 1 in
176 let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
177 def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL">;
179 //===----------------------------------------------------------------------===//
180 // Control Flow Instructions...
183 // Return instructions.
184 let isTerminator = 1, isReturn = 1, isBarrier = 1 in
185 def RET : I<0xC3, RawFrm, (ops), "ret">;
186 let isTerminator = 1, isReturn = 1, isBarrier = 1 in
187 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt", []>;
189 // All branches are RawFrm, Void, Branch, and Terminators
190 let isBranch = 1, isTerminator = 1 in
191 class IBr<bits<8> opcode, dag ops, string asm> : I<opcode, RawFrm, ops, asm>;
194 def JMP : IBr<0xE9, (ops i32imm:$dst), "jmp $dst">;
195 def JB : IBr<0x82, (ops i32imm:$dst), "jb $dst">, TB;
196 def JAE : IBr<0x83, (ops i32imm:$dst), "jae $dst">, TB;
197 def JE : IBr<0x84, (ops i32imm:$dst), "je $dst">, TB;
198 def JNE : IBr<0x85, (ops i32imm:$dst), "jne $dst">, TB;
199 def JBE : IBr<0x86, (ops i32imm:$dst), "jbe $dst">, TB;
200 def JA : IBr<0x87, (ops i32imm:$dst), "ja $dst">, TB;
201 def JS : IBr<0x88, (ops i32imm:$dst), "js $dst">, TB;
202 def JNS : IBr<0x89, (ops i32imm:$dst), "jns $dst">, TB;
203 def JP : IBr<0x8A, (ops i32imm:$dst), "jp $dst">, TB;
204 def JNP : IBr<0x8B, (ops i32imm:$dst), "jnp $dst">, TB;
205 def JL : IBr<0x8C, (ops i32imm:$dst), "jl $dst">, TB;
206 def JGE : IBr<0x8D, (ops i32imm:$dst), "jge $dst">, TB;
207 def JLE : IBr<0x8E, (ops i32imm:$dst), "jle $dst">, TB;
208 def JG : IBr<0x8F, (ops i32imm:$dst), "jg $dst">, TB;
211 //===----------------------------------------------------------------------===//
212 // Call Instructions...
215 // All calls clobber the non-callee saved registers...
216 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
217 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
218 def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst">;
219 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst">;
220 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst">;
224 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
225 def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL">;
226 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
227 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL">;
228 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
229 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp {*}$dst # TAIL CALL">;
231 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
232 // way, except that it is marked as being a terminator. This causes the epilog
233 // inserter to insert reloads of callee saved registers BEFORE this. We need
234 // this until we have a more accurate way of tracking where the stack pointer is
235 // within a function.
236 let isTerminator = 1, isTwoAddress = 1 in
237 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
238 "add{l} {$src2, $dst|$dst, $src2}", []>;
240 //===----------------------------------------------------------------------===//
241 // Miscellaneous Instructions...
243 def LEAVE : I<0xC9, RawFrm,
244 (ops), "leave">, Imp<[EBP,ESP],[EBP,ESP]>;
245 def POP32r : I<0x58, AddRegFrm,
246 (ops R32:$reg), "pop{l} $reg">, Imp<[ESP],[ESP]>;
248 let isTwoAddress = 1 in // R32 = bswap R32
249 def BSWAP32r : I<0xC8, AddRegFrm,
250 (ops R32:$dst, R32:$src), "bswap{l} $dst">, TB;
252 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
253 (ops R8:$src1, R8:$src2),
254 "xchg{b} {$src2|$src1}, {$src1|$src2}">;
255 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
256 (ops R16:$src1, R16:$src2),
257 "xchg{w} {$src2|$src1}, {$src1|$src2}">, OpSize;
258 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
259 (ops R32:$src1, R32:$src2),
260 "xchg{l} {$src2|$src1}, {$src1|$src2}">;
262 def XCHG8mr : I<0x86, MRMDestMem,
263 (ops i8mem:$src1, R8:$src2),
264 "xchg{b} {$src2|$src1}, {$src1|$src2}">;
265 def XCHG16mr : I<0x87, MRMDestMem,
266 (ops i16mem:$src1, R16:$src2),
267 "xchg{w} {$src2|$src1}, {$src1|$src2}">, OpSize;
268 def XCHG32mr : I<0x87, MRMDestMem,
269 (ops i32mem:$src1, R32:$src2),
270 "xchg{l} {$src2|$src1}, {$src1|$src2}">;
271 def XCHG8rm : I<0x86, MRMSrcMem,
272 (ops R8:$src1, i8mem:$src2),
273 "xchg{b} {$src2|$src1}, {$src1|$src2}">;
274 def XCHG16rm : I<0x87, MRMSrcMem,
275 (ops R16:$src1, i16mem:$src2),
276 "xchg{w} {$src2|$src1}, {$src1|$src2}">, OpSize;
277 def XCHG32rm : I<0x87, MRMSrcMem,
278 (ops R32:$src1, i32mem:$src2),
279 "xchg{l} {$src2|$src1}, {$src1|$src2}">;
281 def LEA16r : I<0x8D, MRMSrcMem,
282 (ops R16:$dst, i32mem:$src),
283 "lea{w} {$src|$dst}, {$dst|$src}">, OpSize;
284 def LEA32r : I<0x8D, MRMSrcMem,
285 (ops R32:$dst, i32mem:$src),
286 "lea{l} {$src|$dst}, {$dst|$src}">;
289 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}">,
290 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
291 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}">,
292 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
293 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}">,
294 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
296 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}">,
297 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
298 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}">,
299 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
300 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}">,
301 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
304 //===----------------------------------------------------------------------===//
305 // Input/Output Instructions...
307 def IN8rr : I<0xEC, RawFrm, (ops),
308 "in{b} {%dx, %al|%AL, %DX}">, Imp<[DX], [AL]>;
309 def IN16rr : I<0xED, RawFrm, (ops),
310 "in{w} {%dx, %ax|%AX, %DX}">, Imp<[DX], [AX]>, OpSize;
311 def IN32rr : I<0xED, RawFrm, (ops),
312 "in{l} {%dx, %eax|%EAX, %DX}">, Imp<[DX],[EAX]>;
314 def IN8ri : Ii16<0xE4, RawFrm, (ops i16imm:$port),
315 "in{b} {$port, %al|%AL, $port}", []>, Imp<[], [AL]>;
316 def IN16ri : Ii16<0xE5, RawFrm, (ops i16imm:$port),
317 "in{w} {$port, %ax|%AX, $port}", []>, Imp<[], [AX]>, OpSize;
318 def IN32ri : Ii16<0xE5, RawFrm, (ops i16imm:$port),
319 "in{l} {$port, %eax|%EAX, $port}", []>, Imp<[],[EAX]>;
321 def OUT8rr : I<0xEE, RawFrm, (ops),
322 "out{b} {%al, %dx|%DX, %AL}">, Imp<[DX, AL], []>;
323 def OUT16rr : I<0xEF, RawFrm, (ops),
324 "out{w} {%ax, %dx|%DX, %AX}">, Imp<[DX, AX], []>, OpSize;
325 def OUT32rr : I<0xEF, RawFrm, (ops),
326 "out{l} {%eax, %dx|%DX, %EAX}">, Imp<[DX, EAX], []>;
328 def OUT8ir : Ii16<0xE6, RawFrm, (ops i16imm:$port),
329 "out{b} {%al, $port|$port, %AL}", []>, Imp<[AL], []>;
330 def OUT16ir : Ii16<0xE7, RawFrm, (ops i16imm:$port),
331 "out{w} {%ax, $port|$port, %AX}", []>, Imp<[AX], []>, OpSize;
332 def OUT32ir : Ii16<0xE7, RawFrm, (ops i16imm:$port),
333 "out{l} {%eax, $port|$port, %EAX}", []>, Imp<[EAX], []>;
335 //===----------------------------------------------------------------------===//
336 // Move Instructions...
338 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
339 "mov{b} {$src, $dst|$dst, $src}">;
340 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
341 "mov{w} {$src, $dst|$dst, $src}">, OpSize;
342 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
343 "mov{l} {$src, $dst|$dst, $src}">;
344 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
345 "mov{b} {$src, $dst|$dst, $src}",
346 [(set R8:$dst, imm:$src)]>;
347 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
348 "mov{w} {$src, $dst|$dst, $src}",
349 [(set R16:$dst, imm:$src)]>, OpSize;
350 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
351 "mov{l} {$src, $dst|$dst, $src}",
352 [(set R32:$dst, imm:$src)]>;
353 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
354 "mov{b} {$src, $dst|$dst, $src}", []>;
355 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
356 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
357 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
358 "mov{l} {$src, $dst|$dst, $src}", []>;
360 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
361 "mov{b} {$src, $dst|$dst, $src}">;
362 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
363 "mov{w} {$src, $dst|$dst, $src}">, OpSize;
364 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
365 "mov{l} {$src, $dst|$dst, $src}">;
367 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
368 "mov{b} {$src, $dst|$dst, $src}">;
369 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
370 "mov{w} {$src, $dst|$dst, $src}">, OpSize;
371 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
372 "mov{l} {$src, $dst|$dst, $src}">;
374 //===----------------------------------------------------------------------===//
375 // Fixed-Register Multiplication and Division Instructions...
378 // Extra precision multiplication
379 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src">,
380 Imp<[AL],[AX]>; // AL,AH = AL*R8
381 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src">,
382 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
383 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src">,
384 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
385 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
386 "mul{b} $src">, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
387 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
388 "mul{w} $src">, Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*[mem16]
389 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
390 "mul{l} $src">, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
392 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src">,
393 Imp<[AL],[AX]>; // AL,AH = AL*R8
394 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src">,
395 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
396 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src">,
397 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
398 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
399 "imul{b} $src">, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
400 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
401 "imul{w} $src">, Imp<[AX],[AX,DX]>, OpSize;// AX,DX = AX*[mem16]
402 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
403 "imul{l} $src">, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
405 // unsigned division/remainder
406 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
407 "div{b} $src">, Imp<[AX],[AX]>;
408 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
409 "div{w} $src">, Imp<[AX,DX],[AX,DX]>, OpSize;
410 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
411 "div{l} $src">, Imp<[EAX,EDX],[EAX,EDX]>;
412 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
413 "div{b} $src">, Imp<[AX],[AX]>;
414 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
415 "div{w} $src">, Imp<[AX,DX],[AX,DX]>, OpSize;
416 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
417 "div{l} $src">, Imp<[EAX,EDX],[EAX,EDX]>;
419 // Signed division/remainder.
420 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
421 "idiv{b} $src">, Imp<[AX],[AX]>;
422 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
423 "idiv{w} $src">, Imp<[AX,DX],[AX,DX]>, OpSize;
424 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
425 "idiv{l} $src">, Imp<[EAX,EDX],[EAX,EDX]>;
426 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
427 "idiv{b} $src">, Imp<[AX],[AX]>;
428 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
429 "idiv{w} $src">, Imp<[AX,DX],[AX,DX]>, OpSize;
430 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
431 "idiv{l} $src">, Imp<[EAX,EDX],[EAX,EDX]>;
433 // Sign-extenders for division.
434 def CBW : I<0x98, RawFrm, (ops),
435 "{cbtw|cbw}">, Imp<[AL],[AH]>; // AX = signext(AL)
436 def CWD : I<0x99, RawFrm, (ops),
437 "{cwtd|cwd}">, Imp<[AX],[DX]>; // DX:AX = signext(AX)
438 def CDQ : I<0x99, RawFrm, (ops),
439 "{cltd|cdq}">, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
442 //===----------------------------------------------------------------------===//
443 // Two address Instructions...
445 let isTwoAddress = 1 in {
448 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
449 (ops R16:$dst, R16:$src1, R16:$src2),
450 "cmovb {$src2, $dst|$dst, $src2}">, TB, OpSize;
451 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
452 (ops R16:$dst, R16:$src1, i16mem:$src2),
453 "cmovb {$src2, $dst|$dst, $src2}">, TB, OpSize;
454 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
455 (ops R32:$dst, R32:$src1, R32:$src2),
456 "cmovb {$src2, $dst|$dst, $src2}">, TB;
457 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
458 (ops R32:$dst, R32:$src1, i32mem:$src2),
459 "cmovb {$src2, $dst|$dst, $src2}">, TB;
461 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
462 (ops R16:$dst, R16:$src1, R16:$src2),
463 "cmovae {$src2, $dst|$dst, $src2}">, TB, OpSize;
464 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
465 (ops R16:$dst, R16:$src1, i16mem:$src2),
466 "cmovae {$src2, $dst|$dst, $src2}">, TB, OpSize;
467 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
468 (ops R32:$dst, R32:$src1, R32:$src2),
469 "cmovae {$src2, $dst|$dst, $src2}">, TB;
470 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
471 (ops R32:$dst, R32:$src1, i32mem:$src2),
472 "cmovae {$src2, $dst|$dst, $src2}">, TB;
474 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
475 (ops R16:$dst, R16:$src1, R16:$src2),
476 "cmove {$src2, $dst|$dst, $src2}">, TB, OpSize;
477 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
478 (ops R16:$dst, R16:$src1, i16mem:$src2),
479 "cmove {$src2, $dst|$dst, $src2}">, TB, OpSize;
480 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
481 (ops R32:$dst, R32:$src1, R32:$src2),
482 "cmove {$src2, $dst|$dst, $src2}">, TB;
483 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
484 (ops R32:$dst, R32:$src1, i32mem:$src2),
485 "cmove {$src2, $dst|$dst, $src2}">, TB;
487 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
488 (ops R16:$dst, R16:$src1, R16:$src2),
489 "cmovne {$src2, $dst|$dst, $src2}">, TB, OpSize;
490 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
491 (ops R16:$dst, R16:$src1, i16mem:$src2),
492 "cmovne {$src2, $dst|$dst, $src2}">, TB, OpSize;
493 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
494 (ops R32:$dst, R32:$src1, R32:$src2),
495 "cmovne {$src2, $dst|$dst, $src2}">, TB;
496 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
497 (ops R32:$dst, R32:$src1, i32mem:$src2),
498 "cmovne {$src2, $dst|$dst, $src2}">, TB;
500 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
501 (ops R16:$dst, R16:$src1, R16:$src2),
502 "cmovbe {$src2, $dst|$dst, $src2}">, TB, OpSize;
503 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
504 (ops R16:$dst, R16:$src1, i16mem:$src2),
505 "cmovbe {$src2, $dst|$dst, $src2}">, TB, OpSize;
506 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
507 (ops R32:$dst, R32:$src1, R32:$src2),
508 "cmovbe {$src2, $dst|$dst, $src2}">, TB;
509 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
510 (ops R32:$dst, R32:$src1, i32mem:$src2),
511 "cmovbe {$src2, $dst|$dst, $src2}">, TB;
513 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
514 (ops R16:$dst, R16:$src1, R16:$src2),
515 "cmova {$src2, $dst|$dst, $src2}">, TB, OpSize;
516 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
517 (ops R16:$dst, R16:$src1, i16mem:$src2),
518 "cmova {$src2, $dst|$dst, $src2}">, TB, OpSize;
519 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
520 (ops R32:$dst, R32:$src1, R32:$src2),
521 "cmova {$src2, $dst|$dst, $src2}">, TB;
522 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
523 (ops R32:$dst, R32:$src1, i32mem:$src2),
524 "cmova {$src2, $dst|$dst, $src2}">, TB;
526 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
527 (ops R16:$dst, R16:$src1, R16:$src2),
528 "cmovs {$src2, $dst|$dst, $src2}">, TB, OpSize;
529 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
530 (ops R16:$dst, R16:$src1, i16mem:$src2),
531 "cmovs {$src2, $dst|$dst, $src2}">, TB, OpSize;
532 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
533 (ops R32:$dst, R32:$src1, R32:$src2),
534 "cmovs {$src2, $dst|$dst, $src2}">, TB;
535 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
536 (ops R32:$dst, R32:$src1, i32mem:$src2),
537 "cmovs {$src2, $dst|$dst, $src2}">, TB;
539 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
540 (ops R16:$dst, R16:$src1, R16:$src2),
541 "cmovns {$src2, $dst|$dst, $src2}">, TB, OpSize;
542 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
543 (ops R16:$dst, R16:$src1, i16mem:$src2),
544 "cmovns {$src2, $dst|$dst, $src2}">, TB, OpSize;
545 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
546 (ops R32:$dst, R32:$src1, R32:$src2),
547 "cmovns {$src2, $dst|$dst, $src2}">, TB;
548 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
549 (ops R32:$dst, R32:$src1, i32mem:$src2),
550 "cmovns {$src2, $dst|$dst, $src2}">, TB;
552 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
553 (ops R16:$dst, R16:$src1, R16:$src2),
554 "cmovp {$src2, $dst|$dst, $src2}">, TB, OpSize;
555 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
556 (ops R16:$dst, R16:$src1, i16mem:$src2),
557 "cmovp {$src2, $dst|$dst, $src2}">, TB, OpSize;
558 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
559 (ops R32:$dst, R32:$src1, R32:$src2),
560 "cmovp {$src2, $dst|$dst, $src2}">, TB;
561 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
562 (ops R32:$dst, R32:$src1, i32mem:$src2),
563 "cmovp {$src2, $dst|$dst, $src2}">, TB;
566 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
567 (ops R16:$dst, R16:$src1, R16:$src2),
568 "cmovnp {$src2, $dst|$dst, $src2}">, TB, OpSize;
569 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
570 (ops R16:$dst, R16:$src1, i16mem:$src2),
571 "cmovnp {$src2, $dst|$dst, $src2}">, TB, OpSize;
572 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
573 (ops R32:$dst, R32:$src1, R32:$src2),
574 "cmovnp {$src2, $dst|$dst, $src2}">, TB;
575 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
576 (ops R32:$dst, R32:$src1, i32mem:$src2),
577 "cmovnp {$src2, $dst|$dst, $src2}">, TB;
580 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
581 (ops R16:$dst, R16:$src1, R16:$src2),
582 "cmovl {$src2, $dst|$dst, $src2}">, TB, OpSize;
583 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
584 (ops R16:$dst, R16:$src1, i16mem:$src2),
585 "cmovl {$src2, $dst|$dst, $src2}">, TB, OpSize;
586 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
587 (ops R32:$dst, R32:$src1, R32:$src2),
588 "cmovl {$src2, $dst|$dst, $src2}">, TB;
589 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
590 (ops R32:$dst, R32:$src1, i32mem:$src2),
591 "cmovl {$src2, $dst|$dst, $src2}">, TB;
593 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
594 (ops R16:$dst, R16:$src1, R16:$src2),
595 "cmovge {$src2, $dst|$dst, $src2}">, TB, OpSize;
596 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
597 (ops R16:$dst, R16:$src1, i16mem:$src2),
598 "cmovge {$src2, $dst|$dst, $src2}">, TB, OpSize;
599 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
600 (ops R32:$dst, R32:$src1, R32:$src2),
601 "cmovge {$src2, $dst|$dst, $src2}">, TB;
602 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
603 (ops R32:$dst, R32:$src1, i32mem:$src2),
604 "cmovge {$src2, $dst|$dst, $src2}">, TB;
606 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
607 (ops R16:$dst, R16:$src1, R16:$src2),
608 "cmovle {$src2, $dst|$dst, $src2}">, TB, OpSize;
609 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
610 (ops R16:$dst, R16:$src1, i16mem:$src2),
611 "cmovle {$src2, $dst|$dst, $src2}">, TB, OpSize;
612 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
613 (ops R32:$dst, R32:$src1, R32:$src2),
614 "cmovle {$src2, $dst|$dst, $src2}">, TB;
615 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
616 (ops R32:$dst, R32:$src1, i32mem:$src2),
617 "cmovle {$src2, $dst|$dst, $src2}">, TB;
619 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
620 (ops R16:$dst, R16:$src1, R16:$src2),
621 "cmovg {$src2, $dst|$dst, $src2}">, TB, OpSize;
622 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
623 (ops R16:$dst, R16:$src1, i16mem:$src2),
624 "cmovg {$src2, $dst|$dst, $src2}">, TB, OpSize;
625 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
626 (ops R32:$dst, R32:$src1, R32:$src2),
627 "cmovg {$src2, $dst|$dst, $src2}">, TB;
628 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
629 (ops R32:$dst, R32:$src1, i32mem:$src2),
630 "cmovg {$src2, $dst|$dst, $src2}">, TB;
632 // unary instructions
633 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst">;
634 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst">, OpSize;
635 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst">;
636 let isTwoAddress = 0 in {
637 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst">;
638 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst">, OpSize;
639 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst">;
642 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst">;
643 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst">, OpSize;
644 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst">;
645 let isTwoAddress = 0 in {
646 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst">;
647 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst">, OpSize;
648 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst">;
651 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst">;
652 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
653 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst">, OpSize;
654 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst">;
656 let isTwoAddress = 0 in {
657 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst">;
658 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst">, OpSize;
659 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst">;
662 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst">;
663 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
664 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst">, OpSize;
665 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst">;
668 let isTwoAddress = 0 in {
669 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst">;
670 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst">, OpSize;
671 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst">;
674 // Logical operators...
675 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
676 def AND8rr : I<0x20, MRMDestReg,
677 (ops R8 :$dst, R8 :$src1, R8 :$src2),
678 "and{b} {$src2, $dst|$dst, $src2}">;
679 def AND16rr : I<0x21, MRMDestReg,
680 (ops R16:$dst, R16:$src1, R16:$src2),
681 "and{w} {$src2, $dst|$dst, $src2}">, OpSize;
682 def AND32rr : I<0x21, MRMDestReg,
683 (ops R32:$dst, R32:$src1, R32:$src2),
684 "and{l} {$src2, $dst|$dst, $src2}">;
687 def AND8rm : I<0x22, MRMSrcMem,
688 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
689 "and{b} {$src2, $dst|$dst, $src2}">;
690 def AND16rm : I<0x23, MRMSrcMem,
691 (ops R16:$dst, R16:$src1, i16mem:$src2),
692 "and{w} {$src2, $dst|$dst, $src2}">, OpSize;
693 def AND32rm : I<0x23, MRMSrcMem,
694 (ops R32:$dst, R32:$src1, i32mem:$src2),
695 "and{l} {$src2, $dst|$dst, $src2}">;
697 def AND8ri : Ii8<0x80, MRM4r,
698 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
699 "and{b} {$src2, $dst|$dst, $src2}",
700 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
701 def AND16ri : Ii16<0x81, MRM4r,
702 (ops R16:$dst, R16:$src1, i16imm:$src2),
703 "and{w} {$src2, $dst|$dst, $src2}",
704 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
705 def AND32ri : Ii32<0x81, MRM4r,
706 (ops R32:$dst, R32:$src1, i32imm:$src2),
707 "and{l} {$src2, $dst|$dst, $src2}",
708 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
709 def AND16ri8 : Ii8<0x83, MRM4r,
710 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
711 "and{w} {$src2, $dst|$dst, $src2}",
712 [(set R16:$dst, (and R16:$src1, immSExt8:$src2))]>, OpSize;
713 def AND32ri8 : Ii8<0x83, MRM4r,
714 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
715 "and{l} {$src2, $dst|$dst, $src2}",
716 [(set R32:$dst, (and R32:$src1, immSExt8:$src2))]>;
718 let isTwoAddress = 0 in {
719 def AND8mr : I<0x20, MRMDestMem,
720 (ops i8mem :$dst, R8 :$src),
721 "and{b} {$src, $dst|$dst, $src}">;
722 def AND16mr : I<0x21, MRMDestMem,
723 (ops i16mem:$dst, R16:$src),
724 "and{w} {$src, $dst|$dst, $src}">, OpSize;
725 def AND32mr : I<0x21, MRMDestMem,
726 (ops i32mem:$dst, R32:$src),
727 "and{l} {$src, $dst|$dst, $src}">;
728 def AND8mi : Ii8<0x80, MRM4m,
729 (ops i8mem :$dst, i8imm :$src),
730 "and{b} {$src, $dst|$dst, $src}", []>;
731 def AND16mi : Ii16<0x81, MRM4m,
732 (ops i16mem:$dst, i16imm:$src),
733 "and{w} {$src, $dst|$dst, $src}", []>, OpSize;
734 def AND32mi : Ii32<0x81, MRM4m,
735 (ops i32mem:$dst, i32imm:$src),
736 "and{l} {$src, $dst|$dst, $src}", []>;
737 def AND16mi8 : Ii8<0x83, MRM4m,
738 (ops i16mem:$dst, i8imm :$src),
739 "and{w} {$src, $dst|$dst, $src}", []>, OpSize;
740 def AND32mi8 : Ii8<0x83, MRM4m,
741 (ops i32mem:$dst, i8imm :$src),
742 "and{l} {$src, $dst|$dst, $src}", []>;
746 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
747 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
748 "or{b} {$src2, $dst|$dst, $src2}">;
749 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
750 "or{w} {$src2, $dst|$dst, $src2}">, OpSize;
751 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
752 "or{l} {$src2, $dst|$dst, $src2}">;
754 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
755 "or{b} {$src2, $dst|$dst, $src2}">;
756 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
757 "or{w} {$src2, $dst|$dst, $src2}">, OpSize;
758 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
759 "or{l} {$src2, $dst|$dst, $src2}">;
761 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
762 "or{b} {$src2, $dst|$dst, $src2}",
763 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
764 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
765 "or{w} {$src2, $dst|$dst, $src2}",
766 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
767 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
768 "or{l} {$src2, $dst|$dst, $src2}",
769 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
771 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
772 "or{w} {$src2, $dst|$dst, $src2}",
773 [(set R16:$dst, (or R16:$src1, immSExt8:$src2))]>, OpSize;
774 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
775 "or{l} {$src2, $dst|$dst, $src2}",
776 [(set R32:$dst, (or R32:$src1, immSExt8:$src2))]>;
777 let isTwoAddress = 0 in {
778 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
779 "or{b} {$src, $dst|$dst, $src}">;
780 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
781 "or{w} {$src, $dst|$dst, $src}">, OpSize;
782 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
783 "or{l} {$src, $dst|$dst, $src}">;
784 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
785 "or{b} {$src, $dst|$dst, $src}", []>;
786 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
787 "or{w} {$src, $dst|$dst, $src}", []>, OpSize;
788 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
789 "or{l} {$src, $dst|$dst, $src}", []>;
790 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i8imm:$src),
791 "or{w} {$src, $dst|$dst, $src}", []>, OpSize;
792 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i8imm:$src),
793 "or{l} {$src, $dst|$dst, $src}", []>;
797 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
798 def XOR8rr : I<0x30, MRMDestReg,
799 (ops R8 :$dst, R8 :$src1, R8 :$src2),
800 "xor{b} {$src2, $dst|$dst, $src2}">;
801 def XOR16rr : I<0x31, MRMDestReg,
802 (ops R16:$dst, R16:$src1, R16:$src2),
803 "xor{w} {$src2, $dst|$dst, $src2}">, OpSize;
804 def XOR32rr : I<0x31, MRMDestReg,
805 (ops R32:$dst, R32:$src1, R32:$src2),
806 "xor{l} {$src2, $dst|$dst, $src2}">;
809 def XOR8rm : I<0x32, MRMSrcMem ,
810 (ops R8 :$dst, R8:$src1, i8mem :$src2),
811 "xor{b} {$src2, $dst|$dst, $src2}">;
812 def XOR16rm : I<0x33, MRMSrcMem ,
813 (ops R16:$dst, R8:$src1, i16mem:$src2),
814 "xor{w} {$src2, $dst|$dst, $src2}">, OpSize;
815 def XOR32rm : I<0x33, MRMSrcMem ,
816 (ops R32:$dst, R8:$src1, i32mem:$src2),
817 "xor{l} {$src2, $dst|$dst, $src2}">;
819 def XOR8ri : Ii8<0x80, MRM6r,
820 (ops R8:$dst, R8:$src1, i8imm:$src2),
821 "xor{b} {$src2, $dst|$dst, $src2}",
822 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
823 def XOR16ri : Ii16<0x81, MRM6r,
824 (ops R16:$dst, R16:$src1, i16imm:$src2),
825 "xor{w} {$src2, $dst|$dst, $src2}",
826 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
827 def XOR32ri : Ii32<0x81, MRM6r,
828 (ops R32:$dst, R32:$src1, i32imm:$src2),
829 "xor{l} {$src2, $dst|$dst, $src2}",
830 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
831 def XOR16ri8 : Ii8<0x83, MRM6r,
832 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
833 "xor{w} {$src2, $dst|$dst, $src2}",
834 [(set R16:$dst, (xor R16:$src1, immSExt8:$src2))]>, OpSize;
835 def XOR32ri8 : Ii8<0x83, MRM6r,
836 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
837 "xor{l} {$src2, $dst|$dst, $src2}",
838 [(set R32:$dst, (xor R32:$src1, immSExt8:$src2))]>;
839 let isTwoAddress = 0 in {
840 def XOR8mr : I<0x30, MRMDestMem,
841 (ops i8mem :$dst, R8 :$src),
842 "xor{b} {$src, $dst|$dst, $src}">;
843 def XOR16mr : I<0x31, MRMDestMem,
844 (ops i16mem:$dst, R16:$src),
845 "xor{w} {$src, $dst|$dst, $src}">, OpSize;
846 def XOR32mr : I<0x31, MRMDestMem,
847 (ops i32mem:$dst, R32:$src),
848 "xor{l} {$src, $dst|$dst, $src}">;
849 def XOR8mi : Ii8<0x80, MRM6m,
850 (ops i8mem :$dst, i8imm :$src),
851 "xor{b} {$src, $dst|$dst, $src}", []>;
852 def XOR16mi : Ii16<0x81, MRM6m,
853 (ops i16mem:$dst, i16imm:$src),
854 "xor{w} {$src, $dst|$dst, $src}", []>, OpSize;
855 def XOR32mi : Ii32<0x81, MRM6m,
856 (ops i32mem:$dst, i32imm:$src),
857 "xor{l} {$src, $dst|$dst, $src}", []>;
858 def XOR16mi8 : Ii8<0x83, MRM6m,
859 (ops i16mem:$dst, i8imm :$src),
860 "xor{w} {$src, $dst|$dst, $src}", []>, OpSize;
861 def XOR32mi8 : Ii8<0x83, MRM6m,
862 (ops i32mem:$dst, i8imm :$src),
863 "xor{l} {$src, $dst|$dst, $src}", []>;
866 // Shift instructions
867 // FIXME: provide shorter instructions when imm8 == 1
868 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
869 "shl{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
870 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
871 "shl{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
872 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
873 "shl{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
875 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
876 "shl{b} {$src2, $dst|$dst, $src2}",
877 [(set R8:$dst, (shl R8:$src1, imm:$src2))]>;
878 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
879 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
880 "shl{w} {$src2, $dst|$dst, $src2}",
881 [(set R16:$dst, (shl R16:$src1, immSExt8:$src2))]>, OpSize;
882 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
883 "shl{l} {$src2, $dst|$dst, $src2}",
884 [(set R32:$dst, (shl R32:$src1, immSExt8:$src2))]>;
887 let isTwoAddress = 0 in {
888 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
889 "shl{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
890 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
891 "shl{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
892 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
893 "shl{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
894 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
895 "shl{b} {$src, $dst|$dst, $src}", []>;
896 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
897 "shl{w} {$src, $dst|$dst, $src}", []>, OpSize;
898 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
899 "shl{l} {$src, $dst|$dst, $src}", []>;
902 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
903 "shr{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
904 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
905 "shr{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
906 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
907 "shr{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
909 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
910 "shr{b} {$src2, $dst|$dst, $src2}",
911 [(set R8:$dst, (srl R8:$src1, imm:$src2))]>;
912 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
913 "shr{w} {$src2, $dst|$dst, $src2}",
914 [(set R16:$dst, (srl R16:$src1, immSExt8:$src2))]>, OpSize;
915 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
916 "shr{l} {$src2, $dst|$dst, $src2}",
917 [(set R32:$dst, (srl R32:$src1, immSExt8:$src2))]>;
919 let isTwoAddress = 0 in {
920 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
921 "shr{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
922 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
923 "shr{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
924 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
925 "shr{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
926 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
927 "shr{b} {$src, $dst|$dst, $src}", []>;
928 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
929 "shr{w} {$src, $dst|$dst, $src}", []>, OpSize;
930 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
931 "shr{l} {$src, $dst|$dst, $src}", []>;
934 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
935 "sar{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
936 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
937 "sar{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
938 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
939 "sar{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
941 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
942 "sar{b} {$src2, $dst|$dst, $src2}",
943 [(set R8:$dst, (sra R8:$src1, imm:$src2))]>;
944 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
945 "sar{w} {$src2, $dst|$dst, $src2}",
946 [(set R16:$dst, (sra R16:$src1, immSExt8:$src2))]>, OpSize;
947 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
948 "sar{l} {$src2, $dst|$dst, $src2}",
949 [(set R32:$dst, (sra R32:$src1, immSExt8:$src2))]>;
950 let isTwoAddress = 0 in {
951 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
952 "sar{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
953 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
954 "sar{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
955 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
956 "sar{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
957 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
958 "sar{b} {$src, $dst|$dst, $src}", []>;
959 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
960 "sar{w} {$src, $dst|$dst, $src}", []>, OpSize;
961 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
962 "sar{l} {$src, $dst|$dst, $src}", []>;
965 // Rotate instructions
966 // FIXME: provide shorter instructions when imm8 == 1
967 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
968 "rol{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
969 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
970 "rol{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
971 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
972 "rol{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
974 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
975 "rol{b} {$src2, $dst|$dst, $src2}", []>;
976 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
977 "rol{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
978 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
979 "rol{l} {$src2, $dst|$dst, $src2}", []>;
981 let isTwoAddress = 0 in {
982 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
983 "rol{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
984 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
985 "rol{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
986 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
987 "rol{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
988 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
989 "rol{b} {$src, $dst|$dst, $src}", []>;
990 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
991 "rol{w} {$src, $dst|$dst, $src}", []>, OpSize;
992 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
993 "rol{l} {$src, $dst|$dst, $src}", []>;
996 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
997 "ror{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
998 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
999 "ror{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
1000 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1001 "ror{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
1003 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1004 "ror{b} {$src2, $dst|$dst, $src2}", []>;
1005 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1006 "ror{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1007 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1008 "ror{l} {$src2, $dst|$dst, $src2}", []>;
1009 let isTwoAddress = 0 in {
1010 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1011 "ror{b} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
1012 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1013 "ror{w} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>, OpSize;
1014 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1015 "ror{l} {%cl, $dst|$dst, %CL}">, Imp<[CL],[]>;
1016 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1017 "ror{b} {$src, $dst|$dst, $src}", []>;
1018 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1019 "ror{w} {$src, $dst|$dst, $src}", []>, OpSize;
1020 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1021 "ror{l} {$src, $dst|$dst, $src}", []>;
1026 // Double shift instructions (generalizations of rotate)
1028 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1029 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1031 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1032 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1034 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1035 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1036 Imp<[CL],[]>, TB, OpSize;
1037 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1038 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1039 Imp<[CL],[]>, TB, OpSize;
1041 let isCommutable = 1 in { // These instructions commute to each other.
1042 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1043 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1044 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>, TB;
1045 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1046 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1047 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>, TB;
1048 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1049 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1050 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1052 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1053 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1054 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1058 let isTwoAddress = 0 in {
1059 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1060 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1062 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1063 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1065 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1066 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1067 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1069 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1070 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1071 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1074 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1075 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1076 Imp<[CL],[]>, TB, OpSize;
1077 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1078 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}">,
1079 Imp<[CL],[]>, TB, OpSize;
1080 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1081 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1082 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1084 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1085 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1086 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1092 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1093 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1094 "add{b} {$src2, $dst|$dst, $src2}">;
1095 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1096 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1097 "add{w} {$src2, $dst|$dst, $src2}">, OpSize;
1098 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1099 "add{l} {$src2, $dst|$dst, $src2}">;
1100 } // end isConvertibleToThreeAddress
1101 } // end isCommutable
1102 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1103 "add{b} {$src2, $dst|$dst, $src2}">;
1104 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1105 "add{w} {$src2, $dst|$dst, $src2}">, OpSize;
1106 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1107 "add{l} {$src2, $dst|$dst, $src2}">;
1109 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1110 "add{b} {$src2, $dst|$dst, $src2}",
1111 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1113 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1114 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1115 "add{w} {$src2, $dst|$dst, $src2}",
1116 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1117 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1118 "add{l} {$src2, $dst|$dst, $src2}",
1119 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1122 // FIXME: move ADD16ri8 above ADD16ri to optimize for space.
1123 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1124 "add{w} {$src2, $dst|$dst, $src2}",
1125 [(set R16:$dst, (add R16:$src1, immSExt8:$src2))]>, OpSize;
1126 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1127 "add{l} {$src2, $dst|$dst, $src2}",
1128 [(set R32:$dst, (add R32:$src1, immSExt8:$src2))]>;
1130 let isTwoAddress = 0 in {
1131 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1132 "add{b} {$src2, $dst|$dst, $src2}">;
1133 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1134 "add{w} {$src2, $dst|$dst, $src2}">, OpSize;
1135 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1136 "add{l} {$src2, $dst|$dst, $src2}">;
1137 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1138 "add{b} {$src2, $dst|$dst, $src2}", []>;
1139 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1140 "add{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1141 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1142 "add{l} {$src2, $dst|$dst, $src2}", []>;
1143 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i8imm :$src2),
1144 "add{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1145 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i8imm :$src2),
1146 "add{l} {$src2, $dst|$dst, $src2}", []>;
1149 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1150 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1151 "adc{l} {$src2, $dst|$dst, $src2}">;
1153 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1154 "adc{l} {$src2, $dst|$dst, $src2}">;
1155 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1156 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1157 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1158 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1160 let isTwoAddress = 0 in {
1161 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1162 "adc{l} {$src2, $dst|$dst, $src2}">;
1163 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1164 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1165 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i8imm :$src2),
1166 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1169 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1170 "sub{b} {$src2, $dst|$dst, $src2}">;
1171 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1172 "sub{w} {$src2, $dst|$dst, $src2}">, OpSize;
1173 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1174 "sub{l} {$src2, $dst|$dst, $src2}">;
1175 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1176 "sub{b} {$src2, $dst|$dst, $src2}">;
1177 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1178 "sub{w} {$src2, $dst|$dst, $src2}">, OpSize;
1179 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1180 "sub{l} {$src2, $dst|$dst, $src2}">;
1182 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1183 "sub{b} {$src2, $dst|$dst, $src2}",
1184 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1185 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1186 "sub{w} {$src2, $dst|$dst, $src2}",
1187 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1188 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1189 "sub{l} {$src2, $dst|$dst, $src2}",
1190 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1191 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1192 "sub{w} {$src2, $dst|$dst, $src2}",
1193 [(set R16:$dst, (sub R16:$src1, immSExt8:$src2))]>, OpSize;
1194 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1195 "sub{l} {$src2, $dst|$dst, $src2}",
1196 [(set R32:$dst, (sub R32:$src1, immSExt8:$src2))]>;
1197 let isTwoAddress = 0 in {
1198 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1199 "sub{b} {$src2, $dst|$dst, $src2}">;
1200 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1201 "sub{w} {$src2, $dst|$dst, $src2}">, OpSize;
1202 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1203 "sub{l} {$src2, $dst|$dst, $src2}">;
1204 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1205 "sub{b} {$src2, $dst|$dst, $src2}", []>;
1206 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1207 "sub{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1208 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1209 "sub{l} {$src2, $dst|$dst, $src2}", []>;
1210 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i8imm :$src2),
1211 "sub{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1212 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i8imm :$src2),
1213 "sub{l} {$src2, $dst|$dst, $src2}", []>;
1216 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1217 "sbb{l} {$src2, $dst|$dst, $src2}">;
1219 let isTwoAddress = 0 in {
1220 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1221 "sbb{l} {$src2, $dst|$dst, $src2}">;
1222 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1223 "sbb{b} {$src2, $dst|$dst, $src2}", []>;
1224 def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
1225 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1226 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1227 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1228 def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i8imm :$src2),
1229 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1230 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i8imm :$src2),
1231 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1233 def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1234 "sbb{b} {$src2, $dst|$dst, $src2}", []>;
1235 def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1236 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1238 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1239 "sbb{l} {$src2, $dst|$dst, $src2}">;
1240 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1241 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1243 def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1244 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1245 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1246 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1248 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1249 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1250 "imul{w} {$src2, $dst|$dst, $src2}">, TB, OpSize;
1251 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1252 "imul{l} {$src2, $dst|$dst, $src2}">, TB;
1254 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1255 "imul{w} {$src2, $dst|$dst, $src2}">, TB, OpSize;
1256 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1257 "imul{l} {$src2, $dst|$dst, $src2}">, TB;
1259 } // end Two Address instructions
1261 // Suprisingly enough, these are not two address instructions!
1262 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1263 (ops R16:$dst, R16:$src1, i16imm:$src2),
1264 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1265 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>,
1267 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1268 (ops R32:$dst, R32:$src1, i32imm:$src2),
1269 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1270 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1271 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1272 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1273 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1274 [(set R16:$dst, (mul R16:$src1, immSExt8:$src2))]>, OpSize;
1275 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1276 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1277 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1278 [(set R32:$dst, (mul R32:$src1, immSExt8:$src2))]>;
1280 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1281 (ops R32:$dst, i16mem:$src1, i16imm:$src2),
1282 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}", []>, OpSize;
1283 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
1284 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
1285 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}", []>;
1286 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
1287 (ops R32:$dst, i16mem:$src1, i8imm :$src2),
1288 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}", []>, OpSize;
1289 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
1290 (ops R32:$dst, i32mem:$src1, i8imm: $src2),
1291 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}", []>;
1293 //===----------------------------------------------------------------------===//
1294 // Test instructions are just like AND, except they don't generate a result.
1296 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1297 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
1298 "test{b} {$src2, $src1|$src1, $src2}">;
1299 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
1300 "test{w} {$src2, $src1|$src1, $src2}">, OpSize;
1301 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
1302 "test{l} {$src2, $src1|$src1, $src2}">;
1304 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
1305 "test{b} {$src2, $src1|$src1, $src2}">;
1306 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
1307 "test{w} {$src2, $src1|$src1, $src2}">, OpSize;
1308 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
1309 "test{l} {$src2, $src1|$src1, $src2}">;
1310 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
1311 "test{b} {$src2, $src1|$src1, $src2}">;
1312 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
1313 "test{w} {$src2, $src1|$src1, $src2}">, OpSize;
1314 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
1315 "test{l} {$src2, $src1|$src1, $src2}">;
1317 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
1318 (ops R8:$src1, i8imm:$src2),
1319 "test{b} {$src2, $src1|$src1, $src2}", []>;
1320 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
1321 (ops R16:$src1, i16imm:$src2),
1322 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1323 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
1324 (ops R32:$src1, i32imm:$src2),
1325 "test{l} {$src2, $src1|$src1, $src2}", []>;
1326 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
1327 (ops i32mem:$src1, i8imm:$src2),
1328 "test{b} {$src2, $src1|$src1, $src2}", []>;
1329 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
1330 (ops i16mem:$src1, i16imm:$src2),
1331 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1332 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
1333 (ops i32mem:$src1, i32imm:$src2),
1334 "test{l} {$src2, $src1|$src1, $src2}", []>;
1338 // Condition code ops, incl. set if equal/not equal/...
1339 def SAHF : I<0x9E, RawFrm, (ops), "sahf">, Imp<[AH],[]>; // flags = AH
1340 def LAHF : I<0x9F, RawFrm, (ops), "lahf">, Imp<[],[AH]>; // AH = flags
1342 def SETBr : I<0x92, MRM0r,
1343 (ops R8 :$dst), "setb $dst">, TB; // R8 = < unsign
1344 def SETBm : I<0x92, MRM0m,
1345 (ops i8mem:$dst), "setb $dst">, TB; // [mem8] = < unsign
1346 def SETAEr : I<0x93, MRM0r,
1347 (ops R8 :$dst), "setae $dst">, TB; // R8 = >= unsign
1348 def SETAEm : I<0x93, MRM0m,
1349 (ops i8mem:$dst), "setae $dst">, TB; // [mem8] = >= unsign
1350 def SETEr : I<0x94, MRM0r,
1351 (ops R8 :$dst), "sete $dst">, TB; // R8 = ==
1352 def SETEm : I<0x94, MRM0m,
1353 (ops i8mem:$dst), "sete $dst">, TB; // [mem8] = ==
1354 def SETNEr : I<0x95, MRM0r,
1355 (ops R8 :$dst), "setne $dst">, TB; // R8 = !=
1356 def SETNEm : I<0x95, MRM0m,
1357 (ops i8mem:$dst), "setne $dst">, TB; // [mem8] = !=
1358 def SETBEr : I<0x96, MRM0r,
1359 (ops R8 :$dst), "setbe $dst">, TB; // R8 = <= unsign
1360 def SETBEm : I<0x96, MRM0m,
1361 (ops i8mem:$dst), "setbe $dst">, TB; // [mem8] = <= unsign
1362 def SETAr : I<0x97, MRM0r,
1363 (ops R8 :$dst), "seta $dst">, TB; // R8 = > signed
1364 def SETAm : I<0x97, MRM0m,
1365 (ops i8mem:$dst), "seta $dst">, TB; // [mem8] = > signed
1366 def SETSr : I<0x98, MRM0r,
1367 (ops R8 :$dst), "sets $dst">, TB; // R8 = <sign bit>
1368 def SETSm : I<0x98, MRM0m,
1369 (ops i8mem:$dst), "sets $dst">, TB; // [mem8] = <sign bit>
1370 def SETNSr : I<0x99, MRM0r,
1371 (ops R8 :$dst), "setns $dst">, TB; // R8 = !<sign bit>
1372 def SETNSm : I<0x99, MRM0m,
1373 (ops i8mem:$dst), "setns $dst">, TB; // [mem8] = !<sign bit>
1374 def SETPr : I<0x9A, MRM0r,
1375 (ops R8 :$dst), "setp $dst">, TB; // R8 = parity
1376 def SETPm : I<0x9A, MRM0m,
1377 (ops i8mem:$dst), "setp $dst">, TB; // [mem8] = parity
1378 def SETNPr : I<0x9B, MRM0r,
1379 (ops R8 :$dst), "setnp $dst">, TB; // R8 = not parity
1380 def SETNPm : I<0x9B, MRM0m,
1381 (ops i8mem:$dst), "setnp $dst">, TB; // [mem8] = not parity
1382 def SETLr : I<0x9C, MRM0r,
1383 (ops R8 :$dst), "setl $dst">, TB; // R8 = < signed
1384 def SETLm : I<0x9C, MRM0m,
1385 (ops i8mem:$dst), "setl $dst">, TB; // [mem8] = < signed
1386 def SETGEr : I<0x9D, MRM0r,
1387 (ops R8 :$dst), "setge $dst">, TB; // R8 = >= signed
1388 def SETGEm : I<0x9D, MRM0m,
1389 (ops i8mem:$dst), "setge $dst">, TB; // [mem8] = >= signed
1390 def SETLEr : I<0x9E, MRM0r,
1391 (ops R8 :$dst), "setle $dst">, TB; // R8 = <= signed
1392 def SETLEm : I<0x9E, MRM0m,
1393 (ops i8mem:$dst), "setle $dst">, TB; // [mem8] = <= signed
1394 def SETGr : I<0x9F, MRM0r,
1395 (ops R8 :$dst), "setg $dst">, TB; // R8 = < signed
1396 def SETGm : I<0x9F, MRM0m,
1397 (ops i8mem:$dst), "setg $dst">, TB; // [mem8] = < signed
1399 // Integer comparisons
1400 def CMP8rr : I<0x38, MRMDestReg,
1401 (ops R8 :$src1, R8 :$src2),
1402 "cmp{b} {$src2, $src1|$src1, $src2}">;
1403 def CMP16rr : I<0x39, MRMDestReg,
1404 (ops R16:$src1, R16:$src2),
1405 "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize;
1406 def CMP32rr : I<0x39, MRMDestReg,
1407 (ops R32:$src1, R32:$src2),
1408 "cmp{l} {$src2, $src1|$src1, $src2}">;
1409 def CMP8mr : I<0x38, MRMDestMem,
1410 (ops i8mem :$src1, R8 :$src2),
1411 "cmp{b} {$src2, $src1|$src1, $src2}">;
1412 def CMP16mr : I<0x39, MRMDestMem,
1413 (ops i16mem:$src1, R16:$src2),
1414 "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize;
1415 def CMP32mr : I<0x39, MRMDestMem,
1416 (ops i32mem:$src1, R32:$src2),
1417 "cmp{l} {$src2, $src1|$src1, $src2}">;
1418 def CMP8rm : I<0x3A, MRMSrcMem,
1419 (ops R8 :$src1, i8mem :$src2),
1420 "cmp{b} {$src2, $src1|$src1, $src2}">;
1421 def CMP16rm : I<0x3B, MRMSrcMem,
1422 (ops R16:$src1, i16mem:$src2),
1423 "cmp{w} {$src2, $src1|$src1, $src2}">, OpSize;
1424 def CMP32rm : I<0x3B, MRMSrcMem,
1425 (ops R32:$src1, i32mem:$src2),
1426 "cmp{l} {$src2, $src1|$src1, $src2}">;
1427 def CMP8ri : Ii8<0x80, MRM7r,
1428 (ops R16:$src1, i8imm:$src2),
1429 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1430 def CMP16ri : Ii16<0x81, MRM7r,
1431 (ops R16:$src1, i16imm:$src2),
1432 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1433 def CMP32ri : Ii32<0x81, MRM7r,
1434 (ops R32:$src1, i32imm:$src2),
1435 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1436 def CMP8mi : Ii8 <0x80, MRM7m,
1437 (ops i8mem :$src1, i8imm :$src2),
1438 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1439 def CMP16mi : Ii16<0x81, MRM7m,
1440 (ops i16mem:$src1, i16imm:$src2),
1441 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1442 def CMP32mi : Ii32<0x81, MRM7m,
1443 (ops i32mem:$src1, i32imm:$src2),
1444 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1446 // Sign/Zero extenders
1447 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
1448 "movs{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize;
1449 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
1450 "movs{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize;
1451 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
1452 "movs{bl|x} {$src, $dst|$dst, $src}">, TB;
1453 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
1454 "movs{bl|x} {$src, $dst|$dst, $src}">, TB;
1455 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
1456 "movs{wl|x} {$src, $dst|$dst, $src}">, TB;
1457 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
1458 "movs{wl|x} {$src, $dst|$dst, $src}">, TB;
1460 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
1461 "movz{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize;
1462 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
1463 "movz{bw|x} {$src, $dst|$dst, $src}">, TB, OpSize;
1464 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
1465 "movz{bl|x} {$src, $dst|$dst, $src}">, TB;
1466 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
1467 "movz{bl|x} {$src, $dst|$dst, $src}">, TB;
1468 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
1469 "movz{wl|x} {$src, $dst|$dst, $src}">, TB;
1470 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
1471 "movz{wl|x} {$src, $dst|$dst, $src}">, TB;
1473 //===----------------------------------------------------------------------===//
1474 // XMM Floating point support (requires SSE2)
1475 //===----------------------------------------------------------------------===//
1477 def MOVSSrr : I<0x10, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
1478 "movss {$src, $dst|$dst, $src}">, XS;
1479 def MOVSSrm : I<0x10, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
1480 "movss {$src, $dst|$dst, $src}">, XS;
1481 def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, V4F4:$src),
1482 "movss {$src, $dst|$dst, $src}">, XS;
1483 def MOVSDrr : I<0x10, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
1484 "movsd {$src, $dst|$dst, $src}">, XD;
1485 def MOVSDrm : I<0x10, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
1486 "movsd {$src, $dst|$dst, $src}">, XD;
1487 def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, V2F8:$src),
1488 "movsd {$src, $dst|$dst, $src}">, XD;
1490 def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V2F8:$src),
1491 "cvttsd2si {$src, $dst|$dst, $src}">, XD;
1492 def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
1493 "cvttsd2si {$src, $dst|$dst, $src}">, XD;
1494 def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V4F4:$src),
1495 "cvttss2si {$src, $dst|$dst, $src}">, XS;
1496 def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
1497 "cvttss2si {$src, $dst|$dst, $src}">, XS;
1498 def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops V4F4:$dst, V2F8:$src),
1499 "cvtsd2ss {$src, $dst|$dst, $src}">, XS;
1500 def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops V4F4:$dst, f64mem:$src),
1501 "cvtsd2ss {$src, $dst|$dst, $src}">, XS;
1502 def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops V2F8:$dst, V4F4:$src),
1503 "cvtss2sd {$src, $dst|$dst, $src}">, XD;
1504 def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops V2F8:$dst, f32mem:$src),
1505 "cvtss2sd {$src, $dst|$dst, $src}">, XD;
1506 def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops V4F4:$dst, R32:$src),
1507 "cvtsi2ss {$src, $dst|$dst, $src}">, XS;
1508 def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops V4F4:$dst, i32mem:$src),
1509 "cvtsi2ss {$src, $dst|$dst, $src}">, XS;
1510 def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops V2F8:$dst, R32:$src),
1511 "cvtsi2sd {$src, $dst|$dst, $src}">, XD;
1512 def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops V2F8:$dst, i32mem:$src),
1513 "cvtsi2sd {$src, $dst|$dst, $src}">, XD;
1515 def SQRTSSrm : I<0x51, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
1516 "subss {$src, $dst|$dst, $src}">, XS;
1517 def SQRTSSrr : I<0x51, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
1518 "subss {$src, $dst|$dst, $src}">, XS;
1519 def SQRTSDrm : I<0x51, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
1520 "subsd {$src, $dst|$dst, $src}">, XD;
1521 def SQRTSDrr : I<0x51, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
1522 "subsd {$src, $dst|$dst, $src}">, XD;
1524 def UCOMISDrr: I<0x2E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
1525 "ucomisd {$src, $dst|$dst, $src}">, TB, OpSize;
1526 def UCOMISDrm: I<0x2E, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
1527 "ucomisd {$src, $dst|$dst, $src}">, TB, OpSize;
1528 def UCOMISSrr: I<0x2E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
1529 "ucomiss {$src, $dst|$dst, $src}">, TB;
1530 def UCOMISSrm: I<0x2E, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
1531 "ucomiss {$src, $dst|$dst, $src}">, TB;
1533 // Pseudo-instructions that map to fld0 to xorps/xorpd for sse.
1534 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
1535 def FLD0SS : I<0x57, MRMSrcReg, (ops V4F4:$dst),
1536 "xorps $dst, $dst">, TB;
1537 def FLD0SD : I<0x57, MRMSrcReg, (ops V2F8:$dst),
1538 "xorpd $dst, $dst">, TB, OpSize;
1540 let isTwoAddress = 1 in {
1541 let isCommutable = 1 in {
1542 def ADDSSrr : I<0x58, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1543 "addss {$src, $dst|$dst, $src}">, XS;
1544 def ADDSDrr : I<0x58, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1545 "addsd {$src, $dst|$dst, $src}">, XD;
1546 def ANDPSrr : I<0x54, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1547 "andps {$src, $dst|$dst, $src}">, TB;
1548 def ANDPDrr : I<0x54, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1549 "andpd {$src, $dst|$dst, $src}">, TB, OpSize;
1550 def MULSSrr : I<0x59, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1551 "mulss {$src, $dst|$dst, $src}">, XS;
1552 def MULSDrr : I<0x59, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1553 "mulsd {$src, $dst|$dst, $src}">, XD;
1554 def ORPSrr : I<0x56, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1555 "orps {$src, $dst|$dst, $src}">, TB;
1556 def ORPDrr : I<0x56, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1557 "orpd {$src, $dst|$dst, $src}">, TB, OpSize;
1558 def XORPSrr : I<0x57, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1559 "xorps {$src, $dst|$dst, $src}">, TB;
1560 def XORPDrr : I<0x57, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1561 "xorpd {$src, $dst|$dst, $src}">, TB, OpSize;
1563 def ANDNPSrr : I<0x55, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1564 "andnps {$src, $dst|$dst, $src}">, TB;
1565 def ANDNPDrr : I<0x55, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1566 "andnpd {$src, $dst|$dst, $src}">, TB, OpSize;
1567 def ADDSSrm : I<0x58, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src),
1568 "addss {$src, $dst|$dst, $src}">, XS;
1569 def ADDSDrm : I<0x58, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src),
1570 "addsd {$src, $dst|$dst, $src}">, XD;
1571 def MULSSrm : I<0x59, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src),
1572 "mulss {$src, $dst|$dst, $src}">, XS;
1573 def MULSDrm : I<0x59, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src),
1574 "mulsd {$src, $dst|$dst, $src}">, XD;
1576 def DIVSSrm : I<0x5E, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src),
1577 "divss {$src, $dst|$dst, $src}">, XS;
1578 def DIVSSrr : I<0x5E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1579 "divss {$src, $dst|$dst, $src}">, XS;
1580 def DIVSDrm : I<0x5E, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src),
1581 "divsd {$src, $dst|$dst, $src}">, XD;
1582 def DIVSDrr : I<0x5E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1583 "divsd {$src, $dst|$dst, $src}">, XD;
1585 def SUBSSrm : I<0x5C, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src),
1586 "subss {$src, $dst|$dst, $src}">, XS;
1587 def SUBSSrr : I<0x5C, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src),
1588 "subss {$src, $dst|$dst, $src}">, XS;
1589 def SUBSDrm : I<0x5C, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src),
1590 "subsd {$src, $dst|$dst, $src}">, XD;
1591 def SUBSDrr : I<0x5C, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src),
1592 "subsd {$src, $dst|$dst, $src}">, XD;
1594 def CMPSSrr : I<0xC2, MRMSrcReg,
1595 (ops V4F4:$dst, V4F4:$src1, V4F4:$src, SSECC:$cc),
1596 "cmp${cc}ss {$src, $dst|$dst, $src}">, XS;
1597 def CMPSSrm : I<0xC2, MRMSrcMem,
1598 (ops V4F4:$dst, V4F4:$src1, f32mem:$src, SSECC:$cc),
1599 "cmp${cc}ss {$src, $dst|$dst, $src}">, XS;
1600 def CMPSDrr : I<0xC2, MRMSrcReg,
1601 (ops V2F8:$dst, V2F8:$src1, V2F8:$src, SSECC:$cc),
1602 "cmp${cc}sd {$src, $dst|$dst, $src}">, XD;
1603 def CMPSDrm : I<0xC2, MRMSrcMem,
1604 (ops V2F8:$dst, V2F8:$src1, f64mem:$src, SSECC:$cc),
1605 "cmp${cc}sd {$src, $dst|$dst, $src}">, XD;
1608 //===----------------------------------------------------------------------===//
1609 // Miscellaneous Instructions
1610 //===----------------------------------------------------------------------===//
1612 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc">, TB, Imp<[],[EAX,EDX]>;
1615 //===----------------------------------------------------------------------===//
1616 // Stack-based Floating point support
1617 //===----------------------------------------------------------------------===//
1619 // FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP'
1621 // Floating point instruction template
1622 class FPI<bits<8> o, Format F, FPFormat fp, dag ops, string asm>
1623 : X86Inst<o, F, NoImm, ops, asm> {
1624 let FPForm = fp; let FPFormBits = FPForm.Value;
1627 // Pseudo instructions for floating point. We use these pseudo instructions
1628 // because they can be expanded by the fp spackifier into one of many different
1629 // forms of instructions for doing these operations. Until the stackifier runs,
1630 // we prefer to be abstract.
1631 def FpMOV : FPI<0, Pseudo, SpecialFP,
1632 (ops RFP:$dst, RFP:$src), "">; // f1 = fmov f2
1633 def FpADD : FPI<0, Pseudo, TwoArgFP ,
1634 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fadd f2, f3
1635 def FpSUB : FPI<0, Pseudo, TwoArgFP ,
1636 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fsub f2, f3
1637 def FpMUL : FPI<0, Pseudo, TwoArgFP ,
1638 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fmul f2, f3
1639 def FpDIV : FPI<0, Pseudo, TwoArgFP ,
1640 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fdiv f2, f3
1642 def FpGETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP:$dst), "">,
1643 Imp<[ST0], []>; // FPR = ST(0)
1645 def FpSETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP:$src), "">,
1646 Imp<[], [ST0]>; // ST(0) = FPR
1648 // FADD reg, mem: Before stackification, these are represented by:
1649 // R1 = FADD* R2, [mem]
1650 def FADD32m : FPI<0xD8, MRM0m, OneArgFPRW, // ST(0) = ST(0) + [mem32real]
1651 (ops f32mem:$src, variable_ops),
1653 def FADD64m : FPI<0xDC, MRM0m, OneArgFPRW, // ST(0) = ST(0) + [mem64real]
1654 (ops f64mem:$src, variable_ops),
1656 //def FIADD16m : FPI<0xDE, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem16int]
1657 //def FIADD32m : FPI<0xDA, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32int]
1659 // FMUL reg, mem: Before stackification, these are represented by:
1660 // R1 = FMUL* R2, [mem]
1661 def FMUL32m : FPI<0xD8, MRM1m, OneArgFPRW, // ST(0) = ST(0) * [mem32real]
1662 (ops f32mem:$src, variable_ops),
1664 def FMUL64m : FPI<0xDC, MRM1m, OneArgFPRW, // ST(0) = ST(0) * [mem64real]
1665 (ops f64mem:$src, variable_ops),
1667 // ST(0) = ST(0) * [mem16int]
1668 //def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>;
1669 // ST(0) = ST(0) * [mem32int]
1670 //def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>;
1672 // FSUB reg, mem: Before stackification, these are represented by:
1673 // R1 = FSUB* R2, [mem]
1674 def FSUB32m : FPI<0xD8, MRM4m, OneArgFPRW, // ST(0) = ST(0) - [mem32real]
1675 (ops f32mem:$src, variable_ops),
1677 def FSUB64m : FPI<0xDC, MRM4m, OneArgFPRW, // ST(0) = ST(0) - [mem64real]
1678 (ops f64mem:$src, variable_ops),
1680 // ST(0) = ST(0) - [mem16int]
1681 //def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>;
1682 // ST(0) = ST(0) - [mem32int]
1683 //def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>;
1685 // FSUBR reg, mem: Before stackification, these are represented by:
1686 // R1 = FSUBR* R2, [mem]
1688 // Note that the order of operands does not reflect the operation being
1690 def FSUBR32m : FPI<0xD8, MRM5m, OneArgFPRW, // ST(0) = [mem32real] - ST(0)
1691 (ops f32mem:$src, variable_ops),
1693 def FSUBR64m : FPI<0xDC, MRM5m, OneArgFPRW, // ST(0) = [mem64real] - ST(0)
1694 (ops f64mem:$src, variable_ops),
1696 // ST(0) = [mem16int] - ST(0)
1697 //def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>;
1698 // ST(0) = [mem32int] - ST(0)
1699 //def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>;
1701 // FDIV reg, mem: Before stackification, these are represented by:
1702 // R1 = FDIV* R2, [mem]
1703 def FDIV32m : FPI<0xD8, MRM6m, OneArgFPRW, // ST(0) = ST(0) / [mem32real]
1704 (ops f32mem:$src, variable_ops),
1706 def FDIV64m : FPI<0xDC, MRM6m, OneArgFPRW, // ST(0) = ST(0) / [mem64real]
1707 (ops f64mem:$src, variable_ops),
1709 // ST(0) = ST(0) / [mem16int]
1710 //def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>;
1711 // ST(0) = ST(0) / [mem32int]
1712 //def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>;
1714 // FDIVR reg, mem: Before stackification, these are represented by:
1715 // R1 = FDIVR* R2, [mem]
1716 // Note that the order of operands does not reflect the operation being
1718 def FDIVR32m : FPI<0xD8, MRM7m, OneArgFPRW, // ST(0) = [mem32real] / ST(0)
1719 (ops f32mem:$src, variable_ops),
1721 def FDIVR64m : FPI<0xDC, MRM7m, OneArgFPRW, // ST(0) = [mem64real] / ST(0)
1722 (ops f64mem:$src, variable_ops),
1724 // ST(0) = [mem16int] / ST(0)
1725 //def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>;
1726 // ST(0) = [mem32int] / ST(0)
1727 //def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>;
1730 // Floating point cmovs...
1731 let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
1732 def FCMOVB : FPI<0xC0, AddRegFrm, CondMovFP,
1733 (ops RST:$op, variable_ops),
1734 "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA;
1735 def FCMOVBE : FPI<0xD0, AddRegFrm, CondMovFP,
1736 (ops RST:$op, variable_ops),
1737 "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
1738 def FCMOVE : FPI<0xC8, AddRegFrm, CondMovFP,
1739 (ops RST:$op, variable_ops),
1740 "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
1741 def FCMOVP : FPI<0xD8, AddRegFrm, CondMovFP,
1742 (ops RST:$op, variable_ops),
1743 "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA;
1744 def FCMOVAE : FPI<0xC0, AddRegFrm, CondMovFP,
1745 (ops RST:$op, variable_ops),
1746 "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
1747 def FCMOVA : FPI<0xD0, AddRegFrm, CondMovFP,
1748 (ops RST:$op, variable_ops),
1749 "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
1750 def FCMOVNE : FPI<0xC8, AddRegFrm, CondMovFP,
1751 (ops RST:$op, variable_ops),
1752 "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
1753 def FCMOVNP : FPI<0xD8, AddRegFrm, CondMovFP,
1754 (ops RST:$op, variable_ops),
1755 "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
1758 // Floating point loads & stores...
1759 // FIXME: these are all marked variable_ops because they have an implicit
1760 // destination. Instructions like FILD* that are generated by the instruction
1761 // selector (not the fp stackifier) need more accurate operand accounting.
1762 def FLDrr : FPI<0xC0, AddRegFrm, NotFP,
1763 (ops RST:$src, variable_ops),
1765 def FLD32m : FPI<0xD9, MRM0m, ZeroArgFP,
1766 (ops f32mem:$src, variable_ops),
1768 def FLD64m : FPI<0xDD, MRM0m, ZeroArgFP,
1769 (ops f64mem:$src, variable_ops),
1771 def FLD80m : FPI<0xDB, MRM5m, ZeroArgFP,
1772 (ops f80mem:$src, variable_ops),
1774 def FILD16m : FPI<0xDF, MRM0m, ZeroArgFP,
1775 (ops i16mem:$src, variable_ops),
1777 def FILD32m : FPI<0xDB, MRM0m, ZeroArgFP,
1778 (ops i32mem:$src, variable_ops),
1780 def FILD64m : FPI<0xDF, MRM5m, ZeroArgFP,
1781 (ops i64mem:$src, variable_ops),
1784 def FSTrr : FPI<0xD0, AddRegFrm, NotFP,
1785 (ops RST:$op, variable_ops),
1787 def FSTPrr : FPI<0xD8, AddRegFrm, NotFP,
1788 (ops RST:$op, variable_ops),
1790 def FST32m : FPI<0xD9, MRM2m, OneArgFP,
1791 (ops f32mem:$op, variable_ops),
1793 def FST64m : FPI<0xDD, MRM2m, OneArgFP,
1794 (ops f64mem:$op, variable_ops),
1796 def FSTP32m : FPI<0xD9, MRM3m, OneArgFP,
1797 (ops f32mem:$op, variable_ops),
1799 def FSTP64m : FPI<0xDD, MRM3m, OneArgFP,
1800 (ops f64mem:$op, variable_ops),
1802 def FSTP80m : FPI<0xDB, MRM7m, OneArgFP,
1803 (ops f80mem:$op, variable_ops),
1806 def FIST16m : FPI<0xDF, MRM2m , OneArgFP,
1807 (ops i16mem:$op, variable_ops),
1809 def FIST32m : FPI<0xDB, MRM2m , OneArgFP,
1810 (ops i32mem:$op, variable_ops),
1812 def FISTP16m : FPI<0xDF, MRM3m , NotFP ,
1813 (ops i16mem:$op, variable_ops),
1815 def FISTP32m : FPI<0xDB, MRM3m , NotFP ,
1816 (ops i32mem:$op, variable_ops),
1818 def FISTP64m : FPI<0xDF, MRM7m , OneArgFP,
1819 (ops i64mem:$op, variable_ops),
1822 def FXCH : FPI<0xC8, AddRegFrm, NotFP,
1823 (ops RST:$op), "fxch $op">, D9; // fxch ST(i), ST(0)
1825 // Floating point constant loads...
1826 def FLD0 : FPI<0xEE, RawFrm, ZeroArgFP, (ops variable_ops), "fldz">, D9;
1827 def FLD1 : FPI<0xE8, RawFrm, ZeroArgFP, (ops variable_ops), "fld1">, D9;
1830 // Unary operations...
1831 def FCHS : FPI<0xE0, RawFrm, OneArgFPRW, // f1 = fchs f2
1834 def FABS : FPI<0xE1, RawFrm, OneArgFPRW, // f1 = fabs f2
1837 def FSQRT : FPI<0xFA, RawFrm, OneArgFPRW, // fsqrt ST(0)
1840 def FSIN : FPI<0xFE, RawFrm, OneArgFPRW, // fsin ST(0)
1843 def FCOS : FPI<0xFF, RawFrm, OneArgFPRW, // fcos ST(0)
1846 def FTST : FPI<0xE4, RawFrm, OneArgFP , // ftst ST(0)
1850 // Binary arithmetic operations...
1851 class FPST0rInst<bits<8> o, dag ops, string asm>
1852 : I<o, AddRegFrm, ops, asm>, D8 {
1853 list<Register> Uses = [ST0];
1854 list<Register> Defs = [ST0];
1856 class FPrST0Inst<bits<8> o, dag ops, string asm>
1857 : I<o, AddRegFrm, ops, asm>, DC {
1858 list<Register> Uses = [ST0];
1860 class FPrST0PInst<bits<8> o, dag ops, string asm>
1861 : I<o, AddRegFrm, ops, asm>, DE {
1862 list<Register> Uses = [ST0];
1865 def FADDST0r : FPST0rInst <0xC0, (ops RST:$op),
1867 def FADDrST0 : FPrST0Inst <0xC0, (ops RST:$op),
1868 "fadd {%ST(0), $op|$op, %ST(0)}">;
1869 def FADDPrST0 : FPrST0PInst<0xC0, (ops RST:$op),
1872 // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion
1873 // of some of the 'reverse' forms of the fsub and fdiv instructions. As such,
1874 // we have to put some 'r's in and take them out of weird places.
1875 def FSUBRST0r : FPST0rInst <0xE8, (ops RST:$op),
1877 def FSUBrST0 : FPrST0Inst <0xE8, (ops RST:$op),
1878 "fsub{r} {%ST(0), $op|$op, %ST(0)}">;
1879 def FSUBPrST0 : FPrST0PInst<0xE8, (ops RST:$op),
1882 def FSUBST0r : FPST0rInst <0xE0, (ops RST:$op),
1884 def FSUBRrST0 : FPrST0Inst <0xE0, (ops RST:$op),
1885 "fsub{|r} {%ST(0), $op|$op, %ST(0)}">;
1886 def FSUBRPrST0 : FPrST0PInst<0xE0, (ops RST:$op),
1889 def FMULST0r : FPST0rInst <0xC8, (ops RST:$op),
1891 def FMULrST0 : FPrST0Inst <0xC8, (ops RST:$op),
1892 "fmul {%ST(0), $op|$op, %ST(0)}">;
1893 def FMULPrST0 : FPrST0PInst<0xC8, (ops RST:$op),
1896 def FDIVRST0r : FPST0rInst <0xF8, (ops RST:$op),
1898 def FDIVrST0 : FPrST0Inst <0xF8, (ops RST:$op),
1899 "fdiv{r} {%ST(0), $op|$op, %ST(0)}">;
1900 def FDIVPrST0 : FPrST0PInst<0xF8, (ops RST:$op),
1903 def FDIVST0r : FPST0rInst <0xF0, (ops RST:$op), // ST(0) = ST(0) / ST(i)
1905 def FDIVRrST0 : FPrST0Inst <0xF0, (ops RST:$op), // ST(i) = ST(0) / ST(i)
1906 "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">;
1907 def FDIVRPrST0 : FPrST0PInst<0xF0, (ops RST:$op), // ST(i) = ST(0) / ST(i), pop
1910 // Floating point compares
1911 def FUCOMr : FPI<0xE0, AddRegFrm, CompareFP, // FPSW = cmp ST(0) with ST(i)
1912 (ops RST:$reg, variable_ops),
1913 "fucom $reg">, DD, Imp<[ST0],[]>;
1914 def FUCOMPr : I<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
1915 (ops RST:$reg, variable_ops),
1916 "fucomp $reg">, DD, Imp<[ST0],[]>;
1917 def FUCOMPPr : I<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
1919 "fucompp">, DA, Imp<[ST0],[]>;
1921 def FUCOMIr : FPI<0xE8, AddRegFrm, CompareFP, // CC = cmp ST(0) with ST(i)
1922 (ops RST:$reg, variable_ops),
1923 "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>;
1924 def FUCOMIPr : I<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
1925 (ops RST:$reg, variable_ops),
1926 "fucomip {$reg, %ST(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>;
1929 // Floating point flag ops
1930 def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
1931 (ops), "fnstsw">, DF, Imp<[],[AX]>;
1933 def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
1934 (ops i16mem:$dst), "fnstcw $dst">;
1935 def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
1936 (ops i16mem:$dst), "fldcw $dst">;