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<6> val> {
21 def Pseudo : Format<0>; def RawFrm : Format<1>;
22 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
23 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
24 def MRMSrcMem : Format<6>;
25 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
26 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
27 def MRM6r : Format<22>; def MRM7r : Format<23>;
28 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
29 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
30 def MRM6m : Format<30>; def MRM7m : Format<31>;
31 def MRM_C1 : Format<33>;
32 def MRM_C2 : Format<34>;
33 def MRM_C3 : Format<35>;
34 def MRM_C4 : Format<36>;
35 def MRM_C8 : Format<37>;
36 def MRM_C9 : Format<38>;
37 def MRM_CA : Format<39>;
38 def MRM_CB : Format<40>;
39 def MRM_E8 : Format<41>;
40 def MRM_F0 : Format<42>;
41 def RawFrmImm8 : Format<43>;
42 def RawFrmImm16 : Format<44>;
43 def MRM_F8 : Format<45>;
44 def MRM_F9 : Format<46>;
45 def MRM_D0 : Format<47>;
46 def MRM_D1 : Format<48>;
47 def MRM_D4 : Format<49>;
48 def MRM_D5 : Format<50>;
49 def MRM_D6 : Format<51>;
50 def MRM_D8 : Format<52>;
51 def MRM_D9 : Format<53>;
52 def MRM_DA : Format<54>;
53 def MRM_DB : Format<55>;
54 def MRM_DC : Format<56>;
55 def MRM_DD : Format<57>;
56 def MRM_DE : Format<58>;
57 def MRM_DF : Format<59>;
59 // ImmType - This specifies the immediate type used by an instruction. This is
60 // part of the ad-hoc solution used to emit machine instruction encodings by our
61 // machine code emitter.
62 class ImmType<bits<3> val> {
65 def NoImm : ImmType<0>;
66 def Imm8 : ImmType<1>;
67 def Imm8PCRel : ImmType<2>;
68 def Imm16 : ImmType<3>;
69 def Imm16PCRel : ImmType<4>;
70 def Imm32 : ImmType<5>;
71 def Imm32PCRel : ImmType<6>;
72 def Imm64 : ImmType<7>;
74 // FPFormat - This specifies what form this FP instruction has. This is used by
75 // the Floating-Point stackifier pass.
76 class FPFormat<bits<3> val> {
79 def NotFP : FPFormat<0>;
80 def ZeroArgFP : FPFormat<1>;
81 def OneArgFP : FPFormat<2>;
82 def OneArgFPRW : FPFormat<3>;
83 def TwoArgFP : FPFormat<4>;
84 def CompareFP : FPFormat<5>;
85 def CondMovFP : FPFormat<6>;
86 def SpecialFP : FPFormat<7>;
88 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
89 // Keep in sync with tables in X86InstrInfo.cpp.
90 class Domain<bits<2> val> {
93 def GenericDomain : Domain<0>;
94 def SSEPackedSingle : Domain<1>;
95 def SSEPackedDouble : Domain<2>;
96 def SSEPackedInt : Domain<3>;
98 // Class specifying the vector form of the decompressed
99 // displacement of 8-bit.
100 class CD8VForm<bits<3> val> {
103 def CD8VF : CD8VForm<0>; // v := VL
104 def CD8VH : CD8VForm<1>; // v := VL/2
105 def CD8VQ : CD8VForm<2>; // v := VL/4
106 def CD8VO : CD8VForm<3>; // v := VL/8
107 def CD8VT1 : CD8VForm<4>; // v := 1
108 def CD8VT2 : CD8VForm<5>; // v := 2
109 def CD8VT4 : CD8VForm<6>; // v := 4
110 def CD8VT8 : CD8VForm<7>; // v := 8
112 // Prefix byte classes which are used to indicate to the ad-hoc machine code
113 // emitter that various prefix bytes are required.
114 class OpSize { bit hasOpSizePrefix = 1; }
115 class OpSize16 { bit hasOpSize16Prefix = 1; }
116 class AdSize { bit hasAdSizePrefix = 1; }
117 class REX_W { bit hasREX_WPrefix = 1; }
118 class LOCK { bit hasLockPrefix = 1; }
119 class TB { bits<5> Prefix = 1; }
120 class REP { bits<5> Prefix = 2; }
121 class D8 { bits<5> Prefix = 3; }
122 class D9 { bits<5> Prefix = 4; }
123 class DA { bits<5> Prefix = 5; }
124 class DB { bits<5> Prefix = 6; }
125 class DC { bits<5> Prefix = 7; }
126 class DD { bits<5> Prefix = 8; }
127 class DE { bits<5> Prefix = 9; }
128 class DF { bits<5> Prefix = 10; }
129 class XD { bits<5> Prefix = 11; }
130 class XS { bits<5> Prefix = 12; }
131 class T8 { bits<5> Prefix = 13; }
132 class TA { bits<5> Prefix = 14; }
133 class A6 { bits<5> Prefix = 15; }
134 class A7 { bits<5> Prefix = 16; }
135 class T8XD { bits<5> Prefix = 17; }
136 class T8XS { bits<5> Prefix = 18; }
137 class TAXD { bits<5> Prefix = 19; }
138 class XOP8 { bits<5> Prefix = 20; }
139 class XOP9 { bits<5> Prefix = 21; }
140 class XOPA { bits<5> Prefix = 22; }
141 class VEX { bit hasVEXPrefix = 1; }
142 class VEX_W { bit hasVEX_WPrefix = 1; }
143 class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
144 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
145 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
146 class VEX_L { bit hasVEX_L = 1; }
147 class VEX_LIG { bit ignoresVEX_L = 1; }
148 class EVEX : VEX { bit hasEVEXPrefix = 1; }
149 class EVEX_4V : VEX_4V { bit hasEVEXPrefix = 1; }
150 class EVEX_K { bit hasEVEX_K = 1; }
151 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
152 class EVEX_B { bit hasEVEX_B = 1; }
153 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
154 class EVEX_CD8<int esize, CD8VForm form> {
155 bits<2> EVEX_CD8E = !if(!eq(esize, 8), 0b00,
156 !if(!eq(esize, 16), 0b01,
157 !if(!eq(esize, 32), 0b10,
158 !if(!eq(esize, 64), 0b11, ?))));
159 bits<3> EVEX_CD8V = form.Value;
161 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
162 class MemOp4 { bit hasMemOp4Prefix = 1; }
163 class XOP { bit hasXOP_Prefix = 1; }
164 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
167 Domain d = GenericDomain>
169 let Namespace = "X86";
171 bits<8> Opcode = opcod;
173 bits<6> FormBits = Form.Value;
176 dag OutOperandList = outs;
177 dag InOperandList = ins;
178 string AsmString = AsmStr;
180 // If this is a pseudo instruction, mark it isCodeGenOnly.
181 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
183 let Itinerary = itin;
186 // Attributes specific to X86 instructions...
188 bit ForceDisassemble = 0; // Force instruction to disassemble even though it's
189 // isCodeGenonly. Needed to hide an ambiguous
190 // AsmString from the parser, but still disassemble.
192 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
193 bit hasOpSize16Prefix = 0;// Does this inst have a 0x66 prefix in 16-bit mode?
194 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
196 bits<5> Prefix = 0; // Which prefix byte does this inst have?
197 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
198 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
199 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
200 Domain ExeDomain = d;
201 bit hasVEXPrefix = 0; // Does this inst require a VEX prefix?
202 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
203 bit hasVEX_4VPrefix = 0; // Does this inst require the VEX.VVVV field?
204 bit hasVEX_4VOp3Prefix = 0; // Does this inst require the VEX.VVVV field to
205 // encode the third operand?
206 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
207 // to be encoded in a immediate field?
208 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
209 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
210 bit hasEVEXPrefix = 0; // Does this inst require EVEX form?
211 bit hasEVEX_K = 0; // Does this inst require masking?
212 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
213 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
214 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
215 bits<2> EVEX_CD8E = 0; // Compressed disp8 form - element-size.
216 bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
217 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
218 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
219 bit hasXOP_Prefix = 0; // Does this inst require an XOP prefix?
221 // TSFlags layout should be kept in sync with X86InstrInfo.h.
222 let TSFlags{5-0} = FormBits;
223 let TSFlags{6} = hasOpSizePrefix;
224 let TSFlags{7} = hasOpSize16Prefix;
225 let TSFlags{8} = hasAdSizePrefix;
226 let TSFlags{13-9} = Prefix;
227 let TSFlags{14} = hasREX_WPrefix;
228 let TSFlags{17-15} = ImmT.Value;
229 let TSFlags{20-18} = FPForm.Value;
230 let TSFlags{21} = hasLockPrefix;
231 let TSFlags{23-22} = ExeDomain.Value;
232 let TSFlags{31-24} = Opcode;
233 let TSFlags{32} = hasVEXPrefix;
234 let TSFlags{33} = hasVEX_WPrefix;
235 let TSFlags{34} = hasVEX_4VPrefix;
236 let TSFlags{35} = hasVEX_4VOp3Prefix;
237 let TSFlags{36} = hasVEX_i8ImmReg;
238 let TSFlags{37} = hasVEX_L;
239 let TSFlags{38} = ignoresVEX_L;
240 let TSFlags{39} = hasEVEXPrefix;
241 let TSFlags{40} = hasEVEX_K;
242 let TSFlags{41} = hasEVEX_Z;
243 let TSFlags{42} = hasEVEX_L2;
244 let TSFlags{43} = hasEVEX_B;
245 let TSFlags{45-44} = EVEX_CD8E;
246 let TSFlags{48-46} = EVEX_CD8V;
247 let TSFlags{49} = has3DNow0F0FOpcode;
248 let TSFlags{50} = hasMemOp4Prefix;
249 let TSFlags{51} = hasXOP_Prefix;
252 class PseudoI<dag oops, dag iops, list<dag> pattern>
253 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
254 let Pattern = pattern;
257 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
258 list<dag> pattern, InstrItinClass itin = NoItinerary,
259 Domain d = GenericDomain>
260 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
261 let Pattern = pattern;
264 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
265 list<dag> pattern, InstrItinClass itin = NoItinerary,
266 Domain d = GenericDomain>
267 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
268 let Pattern = pattern;
271 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
272 list<dag> pattern, InstrItinClass itin = NoItinerary>
273 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
274 let Pattern = pattern;
277 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
278 list<dag> pattern, InstrItinClass itin = NoItinerary>
279 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
280 let Pattern = pattern;
283 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
284 list<dag> pattern, InstrItinClass itin = NoItinerary>
285 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
286 let Pattern = pattern;
290 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
291 list<dag> pattern, InstrItinClass itin = NoItinerary>
292 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
293 let Pattern = pattern;
297 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
298 list<dag> pattern, InstrItinClass itin = NoItinerary>
299 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
300 let Pattern = pattern;
304 // FPStack Instruction Templates:
305 // FPI - Floating Point Instruction template.
306 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
307 InstrItinClass itin = NoItinerary>
308 : I<o, F, outs, ins, asm, [], itin> {}
310 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
311 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
312 InstrItinClass itin = NoItinerary>
313 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
315 let Pattern = pattern;
318 // Templates for instructions that use a 16- or 32-bit segmented address as
319 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
321 // Iseg16 - 16-bit segment selector, 16-bit offset
322 // Iseg32 - 16-bit segment selector, 32-bit offset
324 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
325 list<dag> pattern, InstrItinClass itin = NoItinerary>
326 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
327 let Pattern = pattern;
331 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
332 list<dag> pattern, InstrItinClass itin = NoItinerary>
333 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
334 let Pattern = pattern;
341 // SI - SSE 1 & 2 scalar instructions
342 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
343 list<dag> pattern, InstrItinClass itin = NoItinerary>
344 : I<o, F, outs, ins, asm, pattern, itin> {
345 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
346 !if(hasVEXPrefix /* VEX */, [UseAVX],
347 !if(!eq(Prefix, __xs.Prefix), [UseSSE1],
348 !if(!eq(Prefix, __xd.Prefix), [UseSSE2],
349 !if(hasOpSizePrefix, [UseSSE2], [UseSSE1])))));
351 // AVX instructions have a 'v' prefix in the mnemonic
352 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
355 // SIi8 - SSE 1 & 2 scalar instructions
356 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
357 list<dag> pattern, InstrItinClass itin = NoItinerary>
358 : Ii8<o, F, outs, ins, asm, pattern, itin> {
359 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
360 !if(hasVEXPrefix /* VEX */, [UseAVX],
361 !if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2])));
363 // AVX instructions have a 'v' prefix in the mnemonic
364 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
367 // PI - SSE 1 & 2 packed instructions
368 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
369 InstrItinClass itin, Domain d>
370 : I<o, F, outs, ins, asm, pattern, itin, d> {
371 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
372 !if(hasVEXPrefix /* VEX */, [HasAVX],
373 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1])));
375 // AVX instructions have a 'v' prefix in the mnemonic
376 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
379 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
380 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
381 InstrItinClass itin, Domain d>
382 : I<o, F, outs, ins, asm, pattern, itin, d> {
383 let Predicates = !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]);
386 // PIi8 - SSE 1 & 2 packed instructions with immediate
387 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
388 list<dag> pattern, InstrItinClass itin, Domain d>
389 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
390 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
391 !if(hasVEXPrefix /* VEX */, [HasAVX],
392 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1])));
394 // AVX instructions have a 'v' prefix in the mnemonic
395 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
398 // SSE1 Instruction Templates:
400 // SSI - SSE1 instructions with XS prefix.
401 // PSI - SSE1 instructions with TB prefix.
402 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
403 // VSSI - SSE1 instructions with XS prefix in AVX form.
404 // VPSI - SSE1 instructions with TB prefix in AVX form, packed single.
406 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
407 list<dag> pattern, InstrItinClass itin = NoItinerary>
408 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
409 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
410 list<dag> pattern, InstrItinClass itin = NoItinerary>
411 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
412 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
413 list<dag> pattern, InstrItinClass itin = NoItinerary>
414 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
416 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
417 list<dag> pattern, InstrItinClass itin = NoItinerary>
418 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
420 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
421 list<dag> pattern, InstrItinClass itin = NoItinerary>
422 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
424 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
425 list<dag> pattern, InstrItinClass itin = NoItinerary>
426 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
429 // SSE2 Instruction Templates:
431 // SDI - SSE2 instructions with XD prefix.
432 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
433 // S2SI - SSE2 instructions with XS prefix.
434 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
435 // PDI - SSE2 instructions with TB and OpSize prefixes, packed double domain.
436 // PDIi8 - SSE2 instructions with ImmT == Imm8 and TB and OpSize prefixes.
437 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
438 // VPDI - SSE2 vector instructions with TB and OpSize prefixes in AVX form,
439 // packed double domain.
440 // VS2I - SSE2 scalar instructions with TB and OpSize prefixes in AVX form.
441 // S2I - SSE2 scalar instructions with TB and OpSize prefixes.
442 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
444 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
447 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
448 list<dag> pattern, InstrItinClass itin = NoItinerary>
449 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
450 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
451 list<dag> pattern, InstrItinClass itin = NoItinerary>
452 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
453 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
454 list<dag> pattern, InstrItinClass itin = NoItinerary>
455 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
456 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
457 list<dag> pattern, InstrItinClass itin = NoItinerary>
458 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
459 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
460 list<dag> pattern, InstrItinClass itin = NoItinerary>
461 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
463 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
464 list<dag> pattern, InstrItinClass itin = NoItinerary>
465 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
467 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
468 list<dag> pattern, InstrItinClass itin = NoItinerary>
469 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
471 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
472 list<dag> pattern, InstrItinClass itin = NoItinerary>
473 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
475 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
476 list<dag> pattern, InstrItinClass itin = NoItinerary>
477 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>, TB,
478 OpSize, Requires<[HasAVX]>;
479 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
480 list<dag> pattern, InstrItinClass itin = NoItinerary>
481 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, TB,
482 OpSize, Requires<[UseAVX]>;
483 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
484 list<dag> pattern, InstrItinClass itin = NoItinerary>
485 : I<o, F, outs, ins, asm, pattern, itin>, TB,
486 OpSize, Requires<[UseSSE2]>;
487 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
488 list<dag> pattern, InstrItinClass itin = NoItinerary>
489 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
490 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
491 list<dag> pattern, InstrItinClass itin = NoItinerary>
492 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
494 // SSE3 Instruction Templates:
496 // S3I - SSE3 instructions with TB and OpSize prefixes.
497 // S3SI - SSE3 instructions with XS prefix.
498 // S3DI - SSE3 instructions with XD prefix.
500 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
501 list<dag> pattern, InstrItinClass itin = NoItinerary>
502 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
504 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
505 list<dag> pattern, InstrItinClass itin = NoItinerary>
506 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
508 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
509 list<dag> pattern, InstrItinClass itin = NoItinerary>
510 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
514 // SSSE3 Instruction Templates:
516 // SS38I - SSSE3 instructions with T8 prefix.
517 // SS3AI - SSSE3 instructions with TA prefix.
518 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
519 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
521 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
522 // uses the MMX registers. The 64-bit versions are grouped with the MMX
523 // classes. They need to be enabled even if AVX is enabled.
525 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
526 list<dag> pattern, InstrItinClass itin = NoItinerary>
527 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
528 Requires<[UseSSSE3]>;
529 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
530 list<dag> pattern, InstrItinClass itin = NoItinerary>
531 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
532 Requires<[UseSSSE3]>;
533 class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
534 list<dag> pattern, InstrItinClass itin = NoItinerary>
535 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
536 Requires<[HasSSSE3]>;
537 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
538 list<dag> pattern, InstrItinClass itin = NoItinerary>
539 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
540 Requires<[HasSSSE3]>;
542 // SSE4.1 Instruction Templates:
544 // SS48I - SSE 4.1 instructions with T8 prefix.
545 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
547 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
548 list<dag> pattern, InstrItinClass itin = NoItinerary>
549 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
550 Requires<[UseSSE41]>;
551 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
552 list<dag> pattern, InstrItinClass itin = NoItinerary>
553 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
554 Requires<[UseSSE41]>;
556 // SSE4.2 Instruction Templates:
558 // SS428I - SSE 4.2 instructions with T8 prefix.
559 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
560 list<dag> pattern, InstrItinClass itin = NoItinerary>
561 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
562 Requires<[UseSSE42]>;
564 // SS42FI - SSE 4.2 instructions with T8XD prefix.
565 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
566 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
567 list<dag> pattern, InstrItinClass itin = NoItinerary>
568 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
570 // SS42AI = SSE 4.2 instructions with TA prefix
571 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
572 list<dag> pattern, InstrItinClass itin = NoItinerary>
573 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
574 Requires<[UseSSE42]>;
576 // AVX Instruction Templates:
577 // Instructions introduced in AVX (no SSE equivalent forms)
579 // AVX8I - AVX instructions with T8 and OpSize prefix.
580 // AVXAIi8 - AVX instructions with TA, OpSize prefix and ImmT = Imm8.
581 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
582 list<dag> pattern, InstrItinClass itin = NoItinerary>
583 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
585 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
586 list<dag> pattern, InstrItinClass itin = NoItinerary>
587 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
590 // AVX2 Instruction Templates:
591 // Instructions introduced in AVX2 (no SSE equivalent forms)
593 // AVX28I - AVX2 instructions with T8 and OpSize prefix.
594 // AVX2AIi8 - AVX2 instructions with TA, OpSize prefix and ImmT = Imm8.
595 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
596 list<dag> pattern, InstrItinClass itin = NoItinerary>
597 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
599 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
600 list<dag> pattern, InstrItinClass itin = NoItinerary>
601 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
605 // AVX-512 Instruction Templates:
606 // Instructions introduced in AVX-512 (no SSE equivalent forms)
608 // AVX5128I - AVX-512 instructions with T8 and OpSize prefix.
609 // AVX512AIi8 - AVX-512 instructions with TA, OpSize prefix and ImmT = Imm8.
610 // AVX512PDI - AVX-512 instructions with TB, OpSize, double packed.
611 // AVX512PSI - AVX-512 instructions with TB, single packed.
612 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
613 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
614 // AVX512BI - AVX-512 instructions with TB, OpSize, int packed domain.
615 // AVX512SI - AVX-512 scalar instructions with TB and OpSize prefixes.
617 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
618 list<dag> pattern, InstrItinClass itin = NoItinerary>
619 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
620 Requires<[HasAVX512]>;
621 class AVX512XS8I<bits<8> o, Format F, dag outs, dag ins, string asm,
622 list<dag> pattern, InstrItinClass itin = NoItinerary>
623 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8XS,
624 Requires<[HasAVX512]>;
625 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
626 list<dag> pattern, InstrItinClass itin = NoItinerary>
627 : I<o, F, outs, ins, asm, pattern, itin>, XS,
628 Requires<[HasAVX512]>;
629 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
630 list<dag> pattern, InstrItinClass itin = NoItinerary>
631 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
632 Requires<[HasAVX512]>;
633 class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
634 list<dag> pattern, InstrItinClass itin = NoItinerary>
635 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
636 Requires<[HasAVX512]>;
637 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
638 list<dag> pattern, InstrItinClass itin = NoItinerary>
639 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
640 Requires<[HasAVX512]>;
641 class AVX512SI<bits<8> o, Format F, dag outs, dag ins, string asm,
642 list<dag> pattern, InstrItinClass itin = NoItinerary>
643 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
644 Requires<[HasAVX512]>;
645 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
646 list<dag> pattern, InstrItinClass itin = NoItinerary>
647 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
648 Requires<[HasAVX512]>;
649 class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
650 list<dag> pattern, InstrItinClass itin = NoItinerary>
651 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB,
652 Requires<[HasAVX512]>;
653 class AVX512PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
654 list<dag> pattern, InstrItinClass itin = NoItinerary>
655 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB,
656 OpSize, Requires<[HasAVX512]>;
657 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
658 list<dag> pattern, InstrItinClass itin = NoItinerary>
659 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
660 Requires<[HasAVX512]>;
661 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
662 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
663 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
664 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
665 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
666 : I<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
667 class AVX512FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
668 list<dag>pattern, InstrItinClass itin = NoItinerary>
669 : I<o, F, outs, ins, asm, pattern, itin>, T8,
670 OpSize, EVEX_4V, Requires<[HasAVX512]>;
672 // AES Instruction Templates:
675 // These use the same encoding as the SSE4.2 T8 and TA encodings.
676 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
677 list<dag>pattern, InstrItinClass itin = IIC_AES>
678 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
681 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
682 list<dag> pattern, InstrItinClass itin = NoItinerary>
683 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
686 // PCLMUL Instruction Templates
687 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
688 list<dag>pattern, InstrItinClass itin = NoItinerary>
689 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
690 OpSize, Requires<[HasPCLMUL]>;
692 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
693 list<dag>pattern, InstrItinClass itin = NoItinerary>
694 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
695 OpSize, VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
697 // FMA3 Instruction Templates
698 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
699 list<dag>pattern, InstrItinClass itin = NoItinerary>
700 : I<o, F, outs, ins, asm, pattern, itin>, T8,
701 OpSize, VEX_4V, FMASC, Requires<[HasFMA]>;
703 // FMA4 Instruction Templates
704 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
705 list<dag>pattern, InstrItinClass itin = NoItinerary>
706 : Ii8<o, F, outs, ins, asm, pattern, itin>, TA,
707 OpSize, VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
709 // XOP 2, 3 and 4 Operand Instruction Template
710 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
711 list<dag> pattern, InstrItinClass itin = NoItinerary>
712 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
713 XOP, XOP9, Requires<[HasXOP]>;
715 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
716 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
717 list<dag> pattern, InstrItinClass itin = NoItinerary>
718 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
719 XOP, XOP8, Requires<[HasXOP]>;
721 // XOP 5 operand instruction (VEX encoding!)
722 class IXOP5<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>, TA,
725 OpSize, VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
727 // X86-64 Instruction templates...
730 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
731 list<dag> pattern, InstrItinClass itin = NoItinerary>
732 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
733 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
734 list<dag> pattern, InstrItinClass itin = NoItinerary>
735 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
736 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
737 list<dag> pattern, InstrItinClass itin = NoItinerary>
738 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
740 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
741 list<dag> pattern, InstrItinClass itin = NoItinerary>
742 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
743 let Pattern = pattern;
747 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
748 list<dag> pattern, InstrItinClass itin = NoItinerary>
749 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
750 let Pattern = pattern;
754 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
755 list<dag> pattern, InstrItinClass itin = NoItinerary>
756 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
757 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
758 list<dag> pattern, InstrItinClass itin = NoItinerary>
759 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
760 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
761 list<dag> pattern, InstrItinClass itin = NoItinerary>
762 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
763 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
764 list<dag> pattern, InstrItinClass itin = NoItinerary>
765 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
766 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
767 list<dag> pattern, InstrItinClass itin = NoItinerary>
768 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
769 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
770 list<dag> pattern, InstrItinClass itin = NoItinerary>
771 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
773 // MMX Instruction templates
776 // MMXI - MMX instructions with TB prefix.
777 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
778 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
779 // MMX2I - MMX / SSE2 instructions with TB and OpSize prefixes.
780 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
781 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
782 // MMXID - MMX instructions with XD prefix.
783 // MMXIS - MMX instructions with XS prefix.
784 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
785 list<dag> pattern, InstrItinClass itin = NoItinerary>
786 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
787 class MMXI32<bits<8> o, Format F, dag outs, dag ins, string asm,
788 list<dag> pattern, InstrItinClass itin = NoItinerary>
789 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,Not64BitMode]>;
790 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
791 list<dag> pattern, InstrItinClass itin = NoItinerary>
792 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,In64BitMode]>;
793 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
794 list<dag> pattern, InstrItinClass itin = NoItinerary>
795 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
796 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
797 list<dag> pattern, InstrItinClass itin = NoItinerary>
798 : I<o, F, outs, ins, asm, pattern, itin>, TB, OpSize, Requires<[HasMMX]>;
799 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
800 list<dag> pattern, InstrItinClass itin = NoItinerary>
801 : Ii8<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
802 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
803 list<dag> pattern, InstrItinClass itin = NoItinerary>
804 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
805 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
806 list<dag> pattern, InstrItinClass itin = NoItinerary>
807 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;