1 //===-- X86InstrFormats.td - X86 Instruction Formats -------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 // X86 Instruction Format Definitions.
14 // Format specifies the encoding used by the instruction. This is part of the
15 // ad-hoc solution used to emit machine instruction encodings by our machine
17 class Format<bits<7> val> {
21 def Pseudo : Format<0>;
22 def RawFrm : Format<1>;
23 def AddRegFrm : Format<2>;
24 def RawFrmMemOffs : Format<3>;
25 def RawFrmSrc : Format<4>;
26 def RawFrmDst : Format<5>;
27 def RawFrmDstSrc : Format<6>;
28 def RawFrmImm8 : Format<7>;
29 def RawFrmImm16 : Format<8>;
30 def MRMDestMem : Format<32>;
31 def MRMSrcMem : Format<33>;
32 def MRMSrcMem4VOp3 : Format<34>;
33 def MRMSrcMemOp4 : Format<35>;
34 def MRMXm : Format<39>;
35 def MRM0m : Format<40>; def MRM1m : Format<41>; def MRM2m : Format<42>;
36 def MRM3m : Format<43>; def MRM4m : Format<44>; def MRM5m : Format<45>;
37 def MRM6m : Format<46>; def MRM7m : Format<47>;
38 def MRMDestReg : Format<48>;
39 def MRMSrcReg : Format<49>;
40 def MRMSrcReg4VOp3 : Format<50>;
41 def MRMSrcRegOp4 : Format<51>;
42 def MRMXr : Format<55>;
43 def MRM0r : Format<56>; def MRM1r : Format<57>; def MRM2r : Format<58>;
44 def MRM3r : Format<59>; def MRM4r : Format<60>; def MRM5r : Format<61>;
45 def MRM6r : Format<62>; def MRM7r : Format<63>;
46 def MRM_C0 : Format<64>; def MRM_C1 : Format<65>; def MRM_C2 : Format<66>;
47 def MRM_C3 : Format<67>; def MRM_C4 : Format<68>; def MRM_C5 : Format<69>;
48 def MRM_C6 : Format<70>; def MRM_C7 : Format<71>; def MRM_C8 : Format<72>;
49 def MRM_C9 : Format<73>; def MRM_CA : Format<74>; def MRM_CB : Format<75>;
50 def MRM_CC : Format<76>; def MRM_CD : Format<77>; def MRM_CE : Format<78>;
51 def MRM_CF : Format<79>; def MRM_D0 : Format<80>; def MRM_D1 : Format<81>;
52 def MRM_D2 : Format<82>; def MRM_D3 : Format<83>; def MRM_D4 : Format<84>;
53 def MRM_D5 : Format<85>; def MRM_D6 : Format<86>; def MRM_D7 : Format<87>;
54 def MRM_D8 : Format<88>; def MRM_D9 : Format<89>; def MRM_DA : Format<90>;
55 def MRM_DB : Format<91>; def MRM_DC : Format<92>; def MRM_DD : Format<93>;
56 def MRM_DE : Format<94>; def MRM_DF : Format<95>; def MRM_E0 : Format<96>;
57 def MRM_E1 : Format<97>; def MRM_E2 : Format<98>; def MRM_E3 : Format<99>;
58 def MRM_E4 : Format<100>; def MRM_E5 : Format<101>; def MRM_E6 : Format<102>;
59 def MRM_E7 : Format<103>; def MRM_E8 : Format<104>; def MRM_E9 : Format<105>;
60 def MRM_EA : Format<106>; def MRM_EB : Format<107>; def MRM_EC : Format<108>;
61 def MRM_ED : Format<109>; def MRM_EE : Format<110>; def MRM_EF : Format<111>;
62 def MRM_F0 : Format<112>; def MRM_F1 : Format<113>; def MRM_F2 : Format<114>;
63 def MRM_F3 : Format<115>; def MRM_F4 : Format<116>; def MRM_F5 : Format<117>;
64 def MRM_F6 : Format<118>; def MRM_F7 : Format<119>; def MRM_F8 : Format<120>;
65 def MRM_F9 : Format<121>; def MRM_FA : Format<122>; def MRM_FB : Format<123>;
66 def MRM_FC : Format<124>; def MRM_FD : Format<125>; def MRM_FE : Format<126>;
67 def MRM_FF : Format<127>;
69 // ImmType - This specifies the immediate type used by an instruction. This is
70 // part of the ad-hoc solution used to emit machine instruction encodings by our
71 // machine code emitter.
72 class ImmType<bits<4> val> {
75 def NoImm : ImmType<0>;
76 def Imm8 : ImmType<1>;
77 def Imm8PCRel : ImmType<2>;
78 def Imm8Reg : ImmType<3>; // Register encoded in [7:4].
79 def Imm16 : ImmType<4>;
80 def Imm16PCRel : ImmType<5>;
81 def Imm32 : ImmType<6>;
82 def Imm32PCRel : ImmType<7>;
83 def Imm32S : ImmType<8>;
84 def Imm64 : ImmType<9>;
86 // FPFormat - This specifies what form this FP instruction has. This is used by
87 // the Floating-Point stackifier pass.
88 class FPFormat<bits<3> val> {
91 def NotFP : FPFormat<0>;
92 def ZeroArgFP : FPFormat<1>;
93 def OneArgFP : FPFormat<2>;
94 def OneArgFPRW : FPFormat<3>;
95 def TwoArgFP : FPFormat<4>;
96 def CompareFP : FPFormat<5>;
97 def CondMovFP : FPFormat<6>;
98 def SpecialFP : FPFormat<7>;
100 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
101 // Keep in sync with tables in X86InstrInfo.cpp.
102 class Domain<bits<2> val> {
105 def GenericDomain : Domain<0>;
106 def SSEPackedSingle : Domain<1>;
107 def SSEPackedDouble : Domain<2>;
108 def SSEPackedInt : Domain<3>;
110 // Class specifying the vector form of the decompressed
111 // displacement of 8-bit.
112 class CD8VForm<bits<3> val> {
115 def CD8VF : CD8VForm<0>; // v := VL
116 def CD8VH : CD8VForm<1>; // v := VL/2
117 def CD8VQ : CD8VForm<2>; // v := VL/4
118 def CD8VO : CD8VForm<3>; // v := VL/8
119 // The tuple (subvector) forms.
120 def CD8VT1 : CD8VForm<4>; // v := 1
121 def CD8VT2 : CD8VForm<5>; // v := 2
122 def CD8VT4 : CD8VForm<6>; // v := 4
123 def CD8VT8 : CD8VForm<7>; // v := 8
125 // Class specifying the prefix used an opcode extension.
126 class Prefix<bits<3> val> {
129 def NoPrfx : Prefix<0>;
135 // Class specifying the opcode map.
136 class Map<bits<3> val> {
147 // Class specifying the encoding
148 class Encoding<bits<2> val> {
151 def EncNormal : Encoding<0>;
152 def EncVEX : Encoding<1>;
153 def EncXOP : Encoding<2>;
154 def EncEVEX : Encoding<3>;
156 // Operand size for encodings that change based on mode.
157 class OperandSize<bits<2> val> {
160 def OpSizeFixed : OperandSize<0>; // Never needs a 0x66 prefix.
161 def OpSize16 : OperandSize<1>; // Needs 0x66 prefix in 32-bit mode.
162 def OpSize32 : OperandSize<2>; // Needs 0x66 prefix in 16-bit mode.
164 // Address size for encodings that change based on mode.
165 class AddressSize<bits<2> val> {
168 def AdSizeX : AddressSize<0>; // Address size determined using addr operand.
169 def AdSize16 : AddressSize<1>; // Encodes a 16-bit address.
170 def AdSize32 : AddressSize<2>; // Encodes a 32-bit address.
171 def AdSize64 : AddressSize<3>; // Encodes a 64-bit address.
173 // Prefix byte classes which are used to indicate to the ad-hoc machine code
174 // emitter that various prefix bytes are required.
175 class OpSize16 { OperandSize OpSize = OpSize16; }
176 class OpSize32 { OperandSize OpSize = OpSize32; }
177 class AdSize16 { AddressSize AdSize = AdSize16; }
178 class AdSize32 { AddressSize AdSize = AdSize32; }
179 class AdSize64 { AddressSize AdSize = AdSize64; }
180 class REX_W { bit hasREX_WPrefix = 1; }
181 class LOCK { bit hasLockPrefix = 1; }
182 class REP { bit hasREPPrefix = 1; }
183 class TB { Map OpMap = TB; }
184 class T8 { Map OpMap = T8; }
185 class TA { Map OpMap = TA; }
186 class XOP8 { Map OpMap = XOP8; Prefix OpPrefix = PS; }
187 class XOP9 { Map OpMap = XOP9; Prefix OpPrefix = PS; }
188 class XOPA { Map OpMap = XOPA; Prefix OpPrefix = PS; }
189 class OBXS { Prefix OpPrefix = XS; }
190 class PS : TB { Prefix OpPrefix = PS; }
191 class PD : TB { Prefix OpPrefix = PD; }
192 class XD : TB { Prefix OpPrefix = XD; }
193 class XS : TB { Prefix OpPrefix = XS; }
194 class T8PS : T8 { Prefix OpPrefix = PS; }
195 class T8PD : T8 { Prefix OpPrefix = PD; }
196 class T8XD : T8 { Prefix OpPrefix = XD; }
197 class T8XS : T8 { Prefix OpPrefix = XS; }
198 class TAPS : TA { Prefix OpPrefix = PS; }
199 class TAPD : TA { Prefix OpPrefix = PD; }
200 class TAXD : TA { Prefix OpPrefix = XD; }
201 class VEX { Encoding OpEnc = EncVEX; }
202 class VEX_W { bits<2> VEX_WPrefix = 1; }
203 class VEX_WIG { bits<2> VEX_WPrefix = 2; }
204 class VEX_4V : VEX { bit hasVEX_4V = 1; }
205 class VEX_L { bit hasVEX_L = 1; }
206 class VEX_LIG { bit ignoresVEX_L = 1; }
207 class EVEX : VEX { Encoding OpEnc = EncEVEX; }
208 class EVEX_4V : VEX_4V { Encoding OpEnc = EncEVEX; }
209 class EVEX_K { bit hasEVEX_K = 1; }
210 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
211 class EVEX_B { bit hasEVEX_B = 1; }
212 class EVEX_RC { bit hasEVEX_RC = 1; }
213 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
214 class EVEX_V256 { bit hasEVEX_L2 = 0; bit hasVEX_L = 1; }
215 class EVEX_V128 { bit hasEVEX_L2 = 0; bit hasVEX_L = 0; }
217 // Specify AVX512 8-bit compressed displacement encoding based on the vector
218 // element size in bits (8, 16, 32, 64) and the CDisp8 form.
219 class EVEX_CD8<int esize, CD8VForm form> {
220 int CD8_EltSize = !srl(esize, 3);
221 bits<3> CD8_Form = form.Value;
224 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
225 class XOP { Encoding OpEnc = EncXOP; }
226 class XOP_4V : XOP { bit hasVEX_4V = 1; }
228 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
231 Domain d = GenericDomain>
233 let Namespace = "X86";
235 bits<8> Opcode = opcod;
237 bits<7> FormBits = Form.Value;
240 dag OutOperandList = outs;
241 dag InOperandList = ins;
242 string AsmString = AsmStr;
244 // If this is a pseudo instruction, mark it isCodeGenOnly.
245 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
247 let Itinerary = itin;
250 // Attributes specific to X86 instructions...
252 bit ForceDisassemble = 0; // Force instruction to disassemble even though it's
253 // isCodeGenonly. Needed to hide an ambiguous
254 // AsmString from the parser, but still disassemble.
256 OperandSize OpSize = OpSizeFixed; // Does this instruction's encoding change
257 // based on operand size of the mode?
258 bits<2> OpSizeBits = OpSize.Value;
259 AddressSize AdSize = AdSizeX; // Does this instruction's encoding change
260 // based on address size of the mode?
261 bits<2> AdSizeBits = AdSize.Value;
263 Prefix OpPrefix = NoPrfx; // Which prefix byte does this inst have?
264 bits<3> OpPrefixBits = OpPrefix.Value;
265 Map OpMap = OB; // Which opcode map does this inst have?
266 bits<3> OpMapBits = OpMap.Value;
267 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
268 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
269 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
270 Domain ExeDomain = d;
271 bit hasREPPrefix = 0; // Does this inst have a REP prefix?
272 Encoding OpEnc = EncNormal; // Encoding used by this instruction
273 bits<2> OpEncBits = OpEnc.Value;
274 bits<2> VEX_WPrefix = 0; // Does this inst set the VEX_W field?
275 bit hasVEX_4V = 0; // Does this inst require the VEX.VVVV field?
276 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
277 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
278 bit hasEVEX_K = 0; // Does this inst require masking?
279 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
280 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
281 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
282 bits<3> CD8_Form = 0; // Compressed disp8 form - vector-width.
283 // Declare it int rather than bits<4> so that all bits are defined when
284 // assigning to bits<7>.
285 int CD8_EltSize = 0; // Compressed disp8 form - element-size in bytes.
286 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
287 bit hasEVEX_RC = 0; // Explicitly specified rounding control in FP instruction.
290 let EVEX_LL{0} = hasVEX_L;
291 let EVEX_LL{1} = hasEVEX_L2;
292 // Vector size in bytes.
293 bits<7> VectSize = !shl(16, EVEX_LL);
295 // The scaling factor for AVX512's compressed displacement is either
296 // - the size of a power-of-two number of elements or
297 // - the size of a single element for broadcasts or
298 // - the total vector size divided by a power-of-two number.
299 // Possible values are: 0 (non-AVX512 inst), 1, 2, 4, 8, 16, 32 and 64.
300 bits<7> CD8_Scale = !if (!eq (OpEnc.Value, EncEVEX.Value),
302 !shl(CD8_EltSize, CD8_Form{1-0}),
305 !srl(VectSize, CD8_Form{1-0}))), 0);
307 // TSFlags layout should be kept in sync with X86BaseInfo.h.
308 let TSFlags{6-0} = FormBits;
309 let TSFlags{8-7} = OpSizeBits;
310 let TSFlags{10-9} = AdSizeBits;
311 let TSFlags{13-11} = OpPrefixBits;
312 let TSFlags{16-14} = OpMapBits;
313 let TSFlags{17} = hasREX_WPrefix;
314 let TSFlags{21-18} = ImmT.Value;
315 let TSFlags{24-22} = FPForm.Value;
316 let TSFlags{25} = hasLockPrefix;
317 let TSFlags{26} = hasREPPrefix;
318 let TSFlags{28-27} = ExeDomain.Value;
319 let TSFlags{30-29} = OpEncBits;
320 let TSFlags{38-31} = Opcode;
321 // Currently no need for second bit in TSFlags - W Ignore is equivalent to 0.
322 let TSFlags{39} = VEX_WPrefix{0};
323 let TSFlags{40} = hasVEX_4V;
324 let TSFlags{41} = hasVEX_L;
325 let TSFlags{42} = hasEVEX_K;
326 let TSFlags{43} = hasEVEX_Z;
327 let TSFlags{44} = hasEVEX_L2;
328 let TSFlags{45} = hasEVEX_B;
329 // If we run out of TSFlags bits, it's possible to encode this in 3 bits.
330 let TSFlags{52-46} = CD8_Scale;
331 let TSFlags{53} = has3DNow0F0FOpcode;
332 let TSFlags{54} = hasEVEX_RC;
335 class PseudoI<dag oops, dag iops, list<dag> pattern>
336 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
337 let Pattern = pattern;
340 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
341 list<dag> pattern, InstrItinClass itin = NoItinerary,
342 Domain d = GenericDomain>
343 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
344 let Pattern = pattern;
347 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
348 list<dag> pattern, InstrItinClass itin = NoItinerary,
349 Domain d = GenericDomain>
350 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
351 let Pattern = pattern;
354 class Ii8Reg<bits<8> o, Format f, dag outs, dag ins, string asm,
355 list<dag> pattern, InstrItinClass itin = NoItinerary,
356 Domain d = GenericDomain>
357 : X86Inst<o, f, Imm8Reg, outs, ins, asm, itin, d> {
358 let Pattern = pattern;
361 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
362 list<dag> pattern, InstrItinClass itin = NoItinerary>
363 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
364 let Pattern = pattern;
367 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
368 list<dag> pattern, InstrItinClass itin = NoItinerary>
369 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
370 let Pattern = pattern;
373 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
374 list<dag> pattern, InstrItinClass itin = NoItinerary>
375 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
376 let Pattern = pattern;
379 class Ii32S<bits<8> o, Format f, dag outs, dag ins, string asm,
380 list<dag> pattern, InstrItinClass itin = NoItinerary>
381 : X86Inst<o, f, Imm32S, outs, ins, asm, itin> {
382 let Pattern = pattern;
386 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
387 list<dag> pattern, InstrItinClass itin = NoItinerary>
388 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
389 let Pattern = pattern;
393 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
394 list<dag> pattern, InstrItinClass itin = NoItinerary>
395 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
396 let Pattern = pattern;
400 // FPStack Instruction Templates:
401 // FPI - Floating Point Instruction template.
402 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
403 InstrItinClass itin = NoItinerary>
404 : I<o, F, outs, ins, asm, [], itin> {}
406 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
407 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
408 InstrItinClass itin = NoItinerary>
409 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
411 let Pattern = pattern;
414 // Templates for instructions that use a 16- or 32-bit segmented address as
415 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
417 // Iseg16 - 16-bit segment selector, 16-bit offset
418 // Iseg32 - 16-bit segment selector, 32-bit offset
420 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
421 list<dag> pattern, InstrItinClass itin = NoItinerary>
422 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
423 let Pattern = pattern;
427 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
428 list<dag> pattern, InstrItinClass itin = NoItinerary>
429 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
430 let Pattern = pattern;
434 // SI - SSE 1 & 2 scalar instructions
435 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
436 list<dag> pattern, InstrItinClass itin = NoItinerary,
437 Domain d = GenericDomain>
438 : I<o, F, outs, ins, asm, pattern, itin, d> {
439 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
440 !if(!eq(OpEnc.Value, EncVEX.Value), [UseAVX],
441 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
442 !if(!eq(OpPrefix.Value, XD.Value), [UseSSE2],
443 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
446 // AVX instructions have a 'v' prefix in the mnemonic
447 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
448 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
452 // SI - SSE 1 & 2 scalar intrinsics - vex form available on AVX512
453 class SI_Int<bits<8> o, Format F, dag outs, dag ins, string asm,
454 list<dag> pattern, InstrItinClass itin = NoItinerary,
455 Domain d = GenericDomain>
456 : I<o, F, outs, ins, asm, pattern, itin, d> {
457 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
458 !if(!eq(OpEnc.Value, EncVEX.Value), [UseAVX],
459 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
460 !if(!eq(OpPrefix.Value, XD.Value), [UseSSE2],
461 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
464 // AVX instructions have a 'v' prefix in the mnemonic
465 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
466 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
469 // SIi8 - SSE 1 & 2 scalar instructions - vex form available on AVX512
470 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
471 list<dag> pattern, InstrItinClass itin = NoItinerary>
472 : Ii8<o, F, outs, ins, asm, pattern, itin> {
473 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
474 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
475 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
478 // AVX instructions have a 'v' prefix in the mnemonic
479 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
480 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
484 // PI - SSE 1 & 2 packed instructions
485 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
486 InstrItinClass itin, Domain d>
487 : I<o, F, outs, ins, asm, pattern, itin, d> {
488 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
489 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
490 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
493 // AVX instructions have a 'v' prefix in the mnemonic
494 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
495 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
499 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
500 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
501 InstrItinClass itin, Domain d>
502 : I<o, F, outs, ins, asm, pattern, itin, d> {
503 let Predicates = !if(!eq(OpPrefix.Value, PD.Value), [HasSSE2],
507 // PIi8 - SSE 1 & 2 packed instructions with immediate
508 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
509 list<dag> pattern, InstrItinClass itin, Domain d>
510 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
511 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
512 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
513 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
516 // AVX instructions have a 'v' prefix in the mnemonic
517 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
518 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
522 // SSE1 Instruction Templates:
524 // SSI - SSE1 instructions with XS prefix.
525 // PSI - SSE1 instructions with PS prefix.
526 // PSIi8 - SSE1 instructions with ImmT == Imm8 and PS prefix.
527 // VSSI - SSE1 instructions with XS prefix in AVX form.
528 // VPSI - SSE1 instructions with PS prefix in AVX form, packed single.
530 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
531 list<dag> pattern, InstrItinClass itin = NoItinerary>
532 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
533 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
534 list<dag> pattern, InstrItinClass itin = NoItinerary>
535 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
536 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
537 list<dag> pattern, InstrItinClass itin = NoItinerary>
538 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, PS,
540 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
541 list<dag> pattern, InstrItinClass itin = NoItinerary>
542 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, PS,
544 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
545 list<dag> pattern, InstrItinClass itin = NoItinerary>
546 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
548 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
549 list<dag> pattern, InstrItinClass itin = NoItinerary>
550 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, PS,
553 // SSE2 Instruction Templates:
555 // SDI - SSE2 instructions with XD prefix.
556 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
557 // S2SI - SSE2 instructions with XS prefix.
558 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
559 // PDI - SSE2 instructions with PD prefix, packed double domain.
560 // PDIi8 - SSE2 instructions with ImmT == Imm8 and PD prefix.
561 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
562 // VPDI - SSE2 vector instructions with PD prefix in AVX form,
563 // packed double domain.
564 // VS2I - SSE2 scalar instructions with PD prefix in AVX form.
565 // S2I - SSE2 scalar instructions with PD prefix.
566 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
568 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
571 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
572 list<dag> pattern, InstrItinClass itin = NoItinerary>
573 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
574 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
575 list<dag> pattern, InstrItinClass itin = NoItinerary>
576 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
577 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
578 list<dag> pattern, InstrItinClass itin = NoItinerary>
579 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
580 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
581 list<dag> pattern, InstrItinClass itin = NoItinerary>
582 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
583 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
584 list<dag> pattern, InstrItinClass itin = NoItinerary>
585 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
587 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
588 list<dag> pattern, InstrItinClass itin = NoItinerary>
589 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
591 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
592 list<dag> pattern, InstrItinClass itin = NoItinerary>
593 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
595 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
596 list<dag> pattern, InstrItinClass itin = NoItinerary>
597 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
599 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
600 list<dag> pattern, InstrItinClass itin = NoItinerary>
601 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>,
602 PD, Requires<[HasAVX]>;
603 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
604 list<dag> pattern, InstrItinClass itin = NoItinerary>
605 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, PD,
607 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
608 list<dag> pattern, InstrItinClass itin = NoItinerary>
609 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[UseSSE2]>;
610 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
611 list<dag> pattern, InstrItinClass itin = NoItinerary>
612 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
613 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
614 list<dag> pattern, InstrItinClass itin = NoItinerary>
615 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
617 // SSE3 Instruction Templates:
619 // S3I - SSE3 instructions with PD prefixes.
620 // S3SI - SSE3 instructions with XS prefix.
621 // S3DI - SSE3 instructions with XD prefix.
623 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
624 list<dag> pattern, InstrItinClass itin = NoItinerary>
625 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
627 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
628 list<dag> pattern, InstrItinClass itin = NoItinerary>
629 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
631 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
632 list<dag> pattern, InstrItinClass itin = NoItinerary>
633 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
637 // SSSE3 Instruction Templates:
639 // SS38I - SSSE3 instructions with T8 prefix.
640 // SS3AI - SSSE3 instructions with TA prefix.
641 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
642 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
644 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
645 // uses the MMX registers. The 64-bit versions are grouped with the MMX
646 // classes. They need to be enabled even if AVX is enabled.
648 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
649 list<dag> pattern, InstrItinClass itin = NoItinerary>
650 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
651 Requires<[UseSSSE3]>;
652 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
653 list<dag> pattern, InstrItinClass itin = NoItinerary>
654 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
655 Requires<[UseSSSE3]>;
656 class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
657 list<dag> pattern, InstrItinClass itin = NoItinerary>
658 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PS,
659 Requires<[HasSSSE3]>;
660 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
661 list<dag> pattern, InstrItinClass itin = NoItinerary>
662 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPS,
663 Requires<[HasSSSE3]>;
665 // SSE4.1 Instruction Templates:
667 // SS48I - SSE 4.1 instructions with T8 prefix.
668 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
670 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
671 list<dag> pattern, InstrItinClass itin = NoItinerary>
672 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
673 Requires<[UseSSE41]>;
674 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
675 list<dag> pattern, InstrItinClass itin = NoItinerary>
676 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
677 Requires<[UseSSE41]>;
679 // SSE4.2 Instruction Templates:
681 // SS428I - SSE 4.2 instructions with T8 prefix.
682 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
683 list<dag> pattern, InstrItinClass itin = NoItinerary>
684 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
685 Requires<[UseSSE42]>;
687 // SS42FI - SSE 4.2 instructions with T8XD prefix.
688 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
689 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
690 list<dag> pattern, InstrItinClass itin = NoItinerary>
691 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
693 // SS42AI = SSE 4.2 instructions with TA prefix
694 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
695 list<dag> pattern, InstrItinClass itin = NoItinerary>
696 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
697 Requires<[UseSSE42]>;
699 // AVX Instruction Templates:
700 // Instructions introduced in AVX (no SSE equivalent forms)
702 // AVX8I - AVX instructions with T8PD prefix.
703 // AVXAIi8 - AVX instructions with TAPD prefix and ImmT = Imm8.
704 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
705 list<dag> pattern, InstrItinClass itin = NoItinerary>
706 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
708 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
709 list<dag> pattern, InstrItinClass itin = NoItinerary>
710 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
713 // AVX2 Instruction Templates:
714 // Instructions introduced in AVX2 (no SSE equivalent forms)
716 // AVX28I - AVX2 instructions with T8PD prefix.
717 // AVX2AIi8 - AVX2 instructions with TAPD prefix and ImmT = Imm8.
718 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
719 list<dag> pattern, InstrItinClass itin = NoItinerary>
720 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
722 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
723 list<dag> pattern, InstrItinClass itin = NoItinerary>
724 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
728 // AVX-512 Instruction Templates:
729 // Instructions introduced in AVX-512 (no SSE equivalent forms)
731 // AVX5128I - AVX-512 instructions with T8PD prefix.
732 // AVX512AIi8 - AVX-512 instructions with TAPD prefix and ImmT = Imm8.
733 // AVX512PDI - AVX-512 instructions with PD, double packed.
734 // AVX512PSI - AVX-512 instructions with PS, single packed.
735 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
736 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
737 // AVX512BI - AVX-512 instructions with PD, int packed domain.
738 // AVX512SI - AVX-512 scalar instructions with PD prefix.
740 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
741 list<dag> pattern, InstrItinClass itin = NoItinerary>
742 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
743 Requires<[HasAVX512]>;
744 class AVX5128IBase : T8PD {
745 Domain ExeDomain = SSEPackedInt;
747 class AVX512XS8I<bits<8> o, Format F, dag outs, dag ins, string asm,
748 list<dag> pattern, InstrItinClass itin = NoItinerary>
749 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8XS,
750 Requires<[HasAVX512]>;
751 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
752 list<dag> pattern, InstrItinClass itin = NoItinerary>
753 : I<o, F, outs, ins, asm, pattern, itin>, XS,
754 Requires<[HasAVX512]>;
755 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
756 list<dag> pattern, InstrItinClass itin = NoItinerary>
757 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
758 Requires<[HasAVX512]>;
759 class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
760 list<dag> pattern, InstrItinClass itin = NoItinerary>
761 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
762 Requires<[HasAVX512]>;
763 class AVX512BIBase : PD {
764 Domain ExeDomain = SSEPackedInt;
766 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
767 list<dag> pattern, InstrItinClass itin = NoItinerary>
768 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
769 Requires<[HasAVX512]>;
770 class AVX512BIi8Base : PD {
771 Domain ExeDomain = SSEPackedInt;
774 class AVX512XSIi8Base : XS {
775 Domain ExeDomain = SSEPackedInt;
778 class AVX512XDIi8Base : XD {
779 Domain ExeDomain = SSEPackedInt;
782 class AVX512PSIi8Base : PS {
783 Domain ExeDomain = SSEPackedSingle;
786 class AVX512PDIi8Base : PD {
787 Domain ExeDomain = SSEPackedDouble;
790 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
791 list<dag> pattern, InstrItinClass itin = NoItinerary>
792 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
793 Requires<[HasAVX512]>;
794 class AVX512AIi8Base : TAPD {
797 class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
798 list<dag> pattern, InstrItinClass itin = NoItinerary>
799 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>,
800 Requires<[HasAVX512]>;
801 class AVX512PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
802 list<dag> pattern, InstrItinClass itin = NoItinerary>
803 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
804 Requires<[HasAVX512]>;
805 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
806 list<dag> pattern, InstrItinClass itin = NoItinerary>
807 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, PS,
808 Requires<[HasAVX512]>;
809 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
810 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
811 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
812 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
813 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
814 : I<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
815 class AVX512FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
816 list<dag>pattern, InstrItinClass itin = NoItinerary>
817 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
818 EVEX_4V, Requires<[HasAVX512]>;
819 class AVX512FMA3Base : T8PD, EVEX_4V;
821 class AVX512<bits<8> o, Format F, dag outs, dag ins, string asm,
822 list<dag>pattern, InstrItinClass itin = NoItinerary>
823 : I<o, F, outs, ins, asm, pattern, itin>, Requires<[HasAVX512]>;
825 // AES Instruction Templates:
828 // These use the same encoding as the SSE4.2 T8 and TA encodings.
829 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
830 list<dag>pattern, InstrItinClass itin = IIC_AES>
831 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
834 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
835 list<dag> pattern, InstrItinClass itin = NoItinerary>
836 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
839 // PCLMUL Instruction Templates
840 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
841 list<dag>pattern, InstrItinClass itin = NoItinerary>
842 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
843 Requires<[HasPCLMUL]>;
845 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
846 list<dag>pattern, InstrItinClass itin = NoItinerary>
847 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
848 VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
850 // FMA3 Instruction Templates
851 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
852 list<dag>pattern, InstrItinClass itin = NoItinerary>
853 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
854 VEX_4V, FMASC, Requires<[HasFMA, NoVLX]>;
856 // FMA4 Instruction Templates
857 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
858 list<dag>pattern, InstrItinClass itin = NoItinerary>
859 : Ii8Reg<o, F, outs, ins, asm, pattern, itin>, TAPD,
860 VEX_4V, FMASC, Requires<[HasFMA4]>;
862 // XOP 2, 3 and 4 Operand Instruction Template
863 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
864 list<dag> pattern, InstrItinClass itin = NoItinerary>
865 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
866 XOP9, Requires<[HasXOP]>;
868 // XOP 2 and 3 Operand Instruction Templates with imm byte
869 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
870 list<dag> pattern, InstrItinClass itin = NoItinerary>
871 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
872 XOP8, Requires<[HasXOP]>;
873 // XOP 4 Operand Instruction Templates with imm byte
874 class IXOPi8Reg<bits<8> o, Format F, dag outs, dag ins, string asm,
875 list<dag> pattern, InstrItinClass itin = NoItinerary>
876 : Ii8Reg<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
877 XOP8, Requires<[HasXOP]>;
879 // XOP 5 operand instruction (VEX encoding!)
880 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
881 list<dag>pattern, InstrItinClass itin = NoItinerary>
882 : Ii8Reg<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
883 VEX_4V, Requires<[HasXOP]>;
885 // X86-64 Instruction templates...
888 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
889 list<dag> pattern, InstrItinClass itin = NoItinerary>
890 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
891 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
892 list<dag> pattern, InstrItinClass itin = NoItinerary>
893 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
894 class RIi16 <bits<8> o, Format F, dag outs, dag ins, string asm,
895 list<dag> pattern, InstrItinClass itin = NoItinerary>
896 : Ii16<o, F, outs, ins, asm, pattern, itin>, REX_W;
897 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
898 list<dag> pattern, InstrItinClass itin = NoItinerary>
899 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
900 class RIi32S <bits<8> o, Format F, dag outs, dag ins, string asm,
901 list<dag> pattern, InstrItinClass itin = NoItinerary>
902 : Ii32S<o, F, outs, ins, asm, pattern, itin>, REX_W;
904 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
905 list<dag> pattern, InstrItinClass itin = NoItinerary>
906 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
907 let Pattern = pattern;
911 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
912 list<dag> pattern, InstrItinClass itin = NoItinerary>
913 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
914 let Pattern = pattern;
918 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
919 list<dag> pattern, InstrItinClass itin = NoItinerary>
920 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
921 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
922 list<dag> pattern, InstrItinClass itin = NoItinerary>
923 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
925 // MMX Instruction templates
928 // MMXI - MMX instructions with TB prefix.
929 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
930 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
931 // MMX2I - MMX / SSE2 instructions with PD prefix.
932 // MMXIi8 - MMX instructions with ImmT == Imm8 and PS prefix.
933 // MMXIi8 - MMX instructions with ImmT == Imm8 and PS prefix.
934 // MMXID - MMX instructions with XD prefix.
935 // MMXIS - MMX instructions with XS prefix.
936 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
937 list<dag> pattern, InstrItinClass itin = NoItinerary>
938 : I<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX]>;
939 class MMXI32<bits<8> o, Format F, dag outs, dag ins, string asm,
940 list<dag> pattern, InstrItinClass itin = NoItinerary>
941 : I<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX,Not64BitMode]>;
942 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
943 list<dag> pattern, InstrItinClass itin = NoItinerary>
944 : I<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX,In64BitMode]>;
945 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
946 list<dag> pattern, InstrItinClass itin = NoItinerary>
947 : I<o, F, outs, ins, asm, pattern, itin>, PS, REX_W, Requires<[HasMMX]>;
948 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
949 list<dag> pattern, InstrItinClass itin = NoItinerary>
950 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[HasMMX]>;
951 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
952 list<dag> pattern, InstrItinClass itin = NoItinerary>
953 : Ii8<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX]>;
954 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
955 list<dag> pattern, InstrItinClass itin = NoItinerary>
956 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
957 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
958 list<dag> pattern, InstrItinClass itin = NoItinerary>
959 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;