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>; def RawFrmMemOffs : Format<7>;
25 def RawFrmSrc : Format<8>; def RawFrmDst : Format<9>;
26 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
27 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
28 def MRM6r : Format<22>; def MRM7r : Format<23>;
29 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
30 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
31 def MRM6m : Format<30>; def MRM7m : Format<31>;
32 def MRM_C1 : Format<33>;
33 def MRM_C2 : Format<34>;
34 def MRM_C3 : Format<35>;
35 def MRM_C4 : Format<36>;
36 def MRM_C8 : Format<37>;
37 def MRM_C9 : Format<38>;
38 def MRM_CA : Format<39>;
39 def MRM_CB : Format<40>;
40 def MRM_E8 : Format<41>;
41 def MRM_F0 : Format<42>;
42 def RawFrmImm8 : Format<43>;
43 def RawFrmImm16 : Format<44>;
44 def MRM_F8 : Format<45>;
45 def MRM_F9 : Format<46>;
46 def MRM_D0 : Format<47>;
47 def MRM_D1 : Format<48>;
48 def MRM_D4 : Format<49>;
49 def MRM_D5 : Format<50>;
50 def MRM_D6 : Format<51>;
51 def MRM_D8 : Format<52>;
52 def MRM_D9 : Format<53>;
53 def MRM_DA : Format<54>;
54 def MRM_DB : Format<55>;
55 def MRM_DC : Format<56>;
56 def MRM_DD : Format<57>;
57 def MRM_DE : Format<58>;
58 def MRM_DF : Format<59>;
60 // ImmType - This specifies the immediate type used by an instruction. This is
61 // part of the ad-hoc solution used to emit machine instruction encodings by our
62 // machine code emitter.
63 class ImmType<bits<3> val> {
66 def NoImm : ImmType<0>;
67 def Imm8 : ImmType<1>;
68 def Imm8PCRel : ImmType<2>;
69 def Imm16 : ImmType<3>;
70 def Imm16PCRel : ImmType<4>;
71 def Imm32 : ImmType<5>;
72 def Imm32PCRel : ImmType<6>;
73 def Imm64 : ImmType<7>;
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>;
89 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
90 // Keep in sync with tables in X86InstrInfo.cpp.
91 class Domain<bits<2> val> {
94 def GenericDomain : Domain<0>;
95 def SSEPackedSingle : Domain<1>;
96 def SSEPackedDouble : Domain<2>;
97 def SSEPackedInt : Domain<3>;
99 // Class specifying the vector form of the decompressed
100 // displacement of 8-bit.
101 class CD8VForm<bits<3> val> {
104 def CD8VF : CD8VForm<0>; // v := VL
105 def CD8VH : CD8VForm<1>; // v := VL/2
106 def CD8VQ : CD8VForm<2>; // v := VL/4
107 def CD8VO : CD8VForm<3>; // v := VL/8
108 def CD8VT1 : CD8VForm<4>; // v := 1
109 def CD8VT2 : CD8VForm<5>; // v := 2
110 def CD8VT4 : CD8VForm<6>; // v := 4
111 def CD8VT8 : CD8VForm<7>; // v := 8
113 // Prefix byte classes which are used to indicate to the ad-hoc machine code
114 // emitter that various prefix bytes are required.
115 class OpSize { bit hasOpSizePrefix = 1; }
116 class OpSize16 { bit hasOpSize16Prefix = 1; }
117 class AdSize { bit hasAdSizePrefix = 1; }
118 class REX_W { bit hasREX_WPrefix = 1; }
119 class LOCK { bit hasLockPrefix = 1; }
120 class TB { bits<5> Prefix = 1; }
121 class REP { bits<5> Prefix = 2; }
122 class D8 { bits<5> Prefix = 3; }
123 class D9 { bits<5> Prefix = 4; }
124 class DA { bits<5> Prefix = 5; }
125 class DB { bits<5> Prefix = 6; }
126 class DC { bits<5> Prefix = 7; }
127 class DD { bits<5> Prefix = 8; }
128 class DE { bits<5> Prefix = 9; }
129 class DF { bits<5> Prefix = 10; }
130 class XD { bits<5> Prefix = 11; }
131 class XS { bits<5> Prefix = 12; }
132 class T8 { bits<5> Prefix = 13; }
133 class TA { bits<5> Prefix = 14; }
134 class A6 { bits<5> Prefix = 15; }
135 class A7 { bits<5> Prefix = 16; }
136 class T8XD { bits<5> Prefix = 17; }
137 class T8XS { bits<5> Prefix = 18; }
138 class TAXD { bits<5> Prefix = 19; }
139 class XOP8 { bits<5> Prefix = 20; }
140 class XOP9 { bits<5> Prefix = 21; }
141 class XOPA { bits<5> Prefix = 22; }
142 class PD { bits<5> Prefix = 23; }
143 class T8PD { bits<5> Prefix = 24; }
144 class TAPD { bits<5> Prefix = 25; }
145 class VEX { bit hasVEXPrefix = 1; }
146 class VEX_W { bit hasVEX_WPrefix = 1; }
147 class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
148 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
149 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
150 class VEX_L { bit hasVEX_L = 1; }
151 class VEX_LIG { bit ignoresVEX_L = 1; }
152 class EVEX : VEX { bit hasEVEXPrefix = 1; }
153 class EVEX_4V : VEX_4V { bit hasEVEXPrefix = 1; }
154 class EVEX_K { bit hasEVEX_K = 1; }
155 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
156 class EVEX_B { bit hasEVEX_B = 1; }
157 class EVEX_RC { bit hasEVEX_RC = 1; }
158 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
159 class EVEX_CD8<int esize, CD8VForm form> {
160 bits<2> EVEX_CD8E = !if(!eq(esize, 8), 0b00,
161 !if(!eq(esize, 16), 0b01,
162 !if(!eq(esize, 32), 0b10,
163 !if(!eq(esize, 64), 0b11, ?))));
164 bits<3> EVEX_CD8V = form.Value;
166 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
167 class MemOp4 { bit hasMemOp4Prefix = 1; }
168 class XOP { bit hasXOP_Prefix = 1; }
169 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
172 Domain d = GenericDomain>
174 let Namespace = "X86";
176 bits<8> Opcode = opcod;
178 bits<6> FormBits = Form.Value;
181 dag OutOperandList = outs;
182 dag InOperandList = ins;
183 string AsmString = AsmStr;
185 // If this is a pseudo instruction, mark it isCodeGenOnly.
186 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
188 let Itinerary = itin;
191 // Attributes specific to X86 instructions...
193 bit ForceDisassemble = 0; // Force instruction to disassemble even though it's
194 // isCodeGenonly. Needed to hide an ambiguous
195 // AsmString from the parser, but still disassemble.
197 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
198 bit hasOpSize16Prefix = 0;// Does this inst have a 0x66 prefix in 16-bit mode?
199 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
201 bits<5> Prefix = 0; // Which prefix byte does this inst have?
202 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
203 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
204 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
205 Domain ExeDomain = d;
206 bit hasVEXPrefix = 0; // Does this inst require a VEX prefix?
207 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
208 bit hasVEX_4VPrefix = 0; // Does this inst require the VEX.VVVV field?
209 bit hasVEX_4VOp3Prefix = 0; // Does this inst require the VEX.VVVV field to
210 // encode the third operand?
211 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
212 // to be encoded in a immediate field?
213 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
214 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
215 bit hasEVEXPrefix = 0; // Does this inst require EVEX form?
216 bit hasEVEX_K = 0; // Does this inst require masking?
217 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
218 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
219 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
220 bits<2> EVEX_CD8E = 0; // Compressed disp8 form - element-size.
221 bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
222 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
223 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
224 bit hasXOP_Prefix = 0; // Does this inst require an XOP prefix?
225 bit hasEVEX_RC = 0; // Explicitly specified rounding control in FP instruction.
227 // TSFlags layout should be kept in sync with X86InstrInfo.h.
228 let TSFlags{5-0} = FormBits;
229 let TSFlags{6} = hasOpSizePrefix;
230 let TSFlags{7} = hasOpSize16Prefix;
231 let TSFlags{8} = hasAdSizePrefix;
232 let TSFlags{13-9} = Prefix;
233 let TSFlags{14} = hasREX_WPrefix;
234 let TSFlags{17-15} = ImmT.Value;
235 let TSFlags{20-18} = FPForm.Value;
236 let TSFlags{21} = hasLockPrefix;
237 let TSFlags{23-22} = ExeDomain.Value;
238 let TSFlags{31-24} = Opcode;
239 let TSFlags{32} = hasVEXPrefix;
240 let TSFlags{33} = hasVEX_WPrefix;
241 let TSFlags{34} = hasVEX_4VPrefix;
242 let TSFlags{35} = hasVEX_4VOp3Prefix;
243 let TSFlags{36} = hasVEX_i8ImmReg;
244 let TSFlags{37} = hasVEX_L;
245 let TSFlags{38} = ignoresVEX_L;
246 let TSFlags{39} = hasEVEXPrefix;
247 let TSFlags{40} = hasEVEX_K;
248 let TSFlags{41} = hasEVEX_Z;
249 let TSFlags{42} = hasEVEX_L2;
250 let TSFlags{43} = hasEVEX_B;
251 let TSFlags{45-44} = EVEX_CD8E;
252 let TSFlags{48-46} = EVEX_CD8V;
253 let TSFlags{49} = has3DNow0F0FOpcode;
254 let TSFlags{50} = hasMemOp4Prefix;
255 let TSFlags{51} = hasXOP_Prefix;
256 let TSFlags{52} = hasEVEX_RC;
259 class PseudoI<dag oops, dag iops, list<dag> pattern>
260 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
261 let Pattern = pattern;
264 class I<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, NoImm, outs, ins, asm, itin, d> {
268 let Pattern = pattern;
271 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
272 list<dag> pattern, InstrItinClass itin = NoItinerary,
273 Domain d = GenericDomain>
274 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
275 let Pattern = pattern;
278 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
279 list<dag> pattern, InstrItinClass itin = NoItinerary>
280 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
281 let Pattern = pattern;
284 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
285 list<dag> pattern, InstrItinClass itin = NoItinerary>
286 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
287 let Pattern = pattern;
290 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
291 list<dag> pattern, InstrItinClass itin = NoItinerary>
292 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
293 let Pattern = pattern;
297 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
298 list<dag> pattern, InstrItinClass itin = NoItinerary>
299 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
300 let Pattern = pattern;
304 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
305 list<dag> pattern, InstrItinClass itin = NoItinerary>
306 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
307 let Pattern = pattern;
311 // FPStack Instruction Templates:
312 // FPI - Floating Point Instruction template.
313 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
314 InstrItinClass itin = NoItinerary>
315 : I<o, F, outs, ins, asm, [], itin> {}
317 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
318 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
319 InstrItinClass itin = NoItinerary>
320 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
322 let Pattern = pattern;
325 // Templates for instructions that use a 16- or 32-bit segmented address as
326 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
328 // Iseg16 - 16-bit segment selector, 16-bit offset
329 // Iseg32 - 16-bit segment selector, 32-bit offset
331 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
332 list<dag> pattern, InstrItinClass itin = NoItinerary>
333 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
334 let Pattern = pattern;
338 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
339 list<dag> pattern, InstrItinClass itin = NoItinerary>
340 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
341 let Pattern = pattern;
349 // SI - SSE 1 & 2 scalar instructions
350 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
351 list<dag> pattern, InstrItinClass itin = NoItinerary>
352 : I<o, F, outs, ins, asm, pattern, itin> {
353 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
354 !if(hasVEXPrefix /* VEX */, [UseAVX],
355 !if(!eq(Prefix, __xs.Prefix), [UseSSE1],
356 !if(!eq(Prefix, __xd.Prefix), [UseSSE2],
357 !if(!eq(Prefix, __pd.Prefix), [UseSSE2], [UseSSE1])))));
359 // AVX instructions have a 'v' prefix in the mnemonic
360 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
363 // SIi8 - SSE 1 & 2 scalar instructions
364 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
365 list<dag> pattern, InstrItinClass itin = NoItinerary>
366 : Ii8<o, F, outs, ins, asm, pattern, itin> {
367 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
368 !if(hasVEXPrefix /* VEX */, [UseAVX],
369 !if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2])));
371 // AVX instructions have a 'v' prefix in the mnemonic
372 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
375 // PI - SSE 1 & 2 packed instructions
376 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
377 InstrItinClass itin, Domain d>
378 : I<o, F, outs, ins, asm, pattern, itin, d> {
379 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
380 !if(hasVEXPrefix /* VEX */, [HasAVX],
381 !if(!eq(Prefix, __pd.Prefix), [UseSSE2], [UseSSE1])));
383 // AVX instructions have a 'v' prefix in the mnemonic
384 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
387 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
388 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
389 InstrItinClass itin, Domain d>
390 : I<o, F, outs, ins, asm, pattern, itin, d> {
391 let Predicates = !if(!eq(Prefix, __pd.Prefix), [HasSSE2], [HasSSE1]);
394 // PIi8 - SSE 1 & 2 packed instructions with immediate
395 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
396 list<dag> pattern, InstrItinClass itin, Domain d>
397 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
398 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
399 !if(hasVEXPrefix /* VEX */, [HasAVX],
400 !if(!eq(Prefix, __pd.Prefix), [UseSSE2], [UseSSE1])));
402 // AVX instructions have a 'v' prefix in the mnemonic
403 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
406 // SSE1 Instruction Templates:
408 // SSI - SSE1 instructions with XS prefix.
409 // PSI - SSE1 instructions with TB prefix.
410 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
411 // VSSI - SSE1 instructions with XS prefix in AVX form.
412 // VPSI - SSE1 instructions with TB prefix in AVX form, packed single.
414 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
415 list<dag> pattern, InstrItinClass itin = NoItinerary>
416 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
417 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
418 list<dag> pattern, InstrItinClass itin = NoItinerary>
419 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
420 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
421 list<dag> pattern, InstrItinClass itin = NoItinerary>
422 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
424 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
425 list<dag> pattern, InstrItinClass itin = NoItinerary>
426 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
428 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
429 list<dag> pattern, InstrItinClass itin = NoItinerary>
430 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
432 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
433 list<dag> pattern, InstrItinClass itin = NoItinerary>
434 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
437 // SSE2 Instruction Templates:
439 // SDI - SSE2 instructions with XD prefix.
440 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
441 // S2SI - SSE2 instructions with XS prefix.
442 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
443 // PDI - SSE2 instructions with PD prefix, packed double domain.
444 // PDIi8 - SSE2 instructions with ImmT == Imm8 and PD prefix.
445 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
446 // VPDI - SSE2 vector instructions with PD prefix in AVX form,
447 // packed double domain.
448 // VS2I - SSE2 scalar instructions with PD prefix in AVX form.
449 // S2I - SSE2 scalar instructions with PD prefix.
450 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
452 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
455 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
456 list<dag> pattern, InstrItinClass itin = NoItinerary>
457 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
458 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
459 list<dag> pattern, InstrItinClass itin = NoItinerary>
460 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
461 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
462 list<dag> pattern, InstrItinClass itin = NoItinerary>
463 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
464 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
465 list<dag> pattern, InstrItinClass itin = NoItinerary>
466 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
467 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
468 list<dag> pattern, InstrItinClass itin = NoItinerary>
469 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
471 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
472 list<dag> pattern, InstrItinClass itin = NoItinerary>
473 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
475 class VSDI<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>, XD,
479 class VS2SI<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>, XS,
483 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
484 list<dag> pattern, InstrItinClass itin = NoItinerary>
485 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>,
486 PD, Requires<[HasAVX]>;
487 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
488 list<dag> pattern, InstrItinClass itin = NoItinerary>
489 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, PD,
491 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
492 list<dag> pattern, InstrItinClass itin = NoItinerary>
493 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[UseSSE2]>;
494 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
495 list<dag> pattern, InstrItinClass itin = NoItinerary>
496 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
497 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
498 list<dag> pattern, InstrItinClass itin = NoItinerary>
499 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
501 // SSE3 Instruction Templates:
503 // S3I - SSE3 instructions with PD prefixes.
504 // S3SI - SSE3 instructions with XS prefix.
505 // S3DI - SSE3 instructions with XD prefix.
507 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
508 list<dag> pattern, InstrItinClass itin = NoItinerary>
509 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
511 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
512 list<dag> pattern, InstrItinClass itin = NoItinerary>
513 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
515 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
516 list<dag> pattern, InstrItinClass itin = NoItinerary>
517 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
521 // SSSE3 Instruction Templates:
523 // SS38I - SSSE3 instructions with T8 prefix.
524 // SS3AI - SSSE3 instructions with TA prefix.
525 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
526 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
528 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
529 // uses the MMX registers. The 64-bit versions are grouped with the MMX
530 // classes. They need to be enabled even if AVX is enabled.
532 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
533 list<dag> pattern, InstrItinClass itin = NoItinerary>
534 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
535 Requires<[UseSSSE3]>;
536 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
537 list<dag> pattern, InstrItinClass itin = NoItinerary>
538 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
539 Requires<[UseSSSE3]>;
540 class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
541 list<dag> pattern, InstrItinClass itin = NoItinerary>
542 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
543 Requires<[HasSSSE3]>;
544 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
545 list<dag> pattern, InstrItinClass itin = NoItinerary>
546 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
547 Requires<[HasSSSE3]>;
549 // SSE4.1 Instruction Templates:
551 // SS48I - SSE 4.1 instructions with T8 prefix.
552 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
554 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
555 list<dag> pattern, InstrItinClass itin = NoItinerary>
556 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
557 Requires<[UseSSE41]>;
558 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
559 list<dag> pattern, InstrItinClass itin = NoItinerary>
560 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
561 Requires<[UseSSE41]>;
563 // SSE4.2 Instruction Templates:
565 // SS428I - SSE 4.2 instructions with T8 prefix.
566 class SS428I<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, SSEPackedInt>, T8PD,
569 Requires<[UseSSE42]>;
571 // SS42FI - SSE 4.2 instructions with T8XD prefix.
572 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
573 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
574 list<dag> pattern, InstrItinClass itin = NoItinerary>
575 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
577 // SS42AI = SSE 4.2 instructions with TA prefix
578 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
579 list<dag> pattern, InstrItinClass itin = NoItinerary>
580 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
581 Requires<[UseSSE42]>;
583 // AVX Instruction Templates:
584 // Instructions introduced in AVX (no SSE equivalent forms)
586 // AVX8I - AVX instructions with T8PD prefix.
587 // AVXAIi8 - AVX instructions with TAPD prefix and ImmT = Imm8.
588 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
589 list<dag> pattern, InstrItinClass itin = NoItinerary>
590 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
592 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
593 list<dag> pattern, InstrItinClass itin = NoItinerary>
594 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
597 // AVX2 Instruction Templates:
598 // Instructions introduced in AVX2 (no SSE equivalent forms)
600 // AVX28I - AVX2 instructions with T8PD prefix.
601 // AVX2AIi8 - AVX2 instructions with TAPD prefix and ImmT = Imm8.
602 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
603 list<dag> pattern, InstrItinClass itin = NoItinerary>
604 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
606 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
607 list<dag> pattern, InstrItinClass itin = NoItinerary>
608 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
612 // AVX-512 Instruction Templates:
613 // Instructions introduced in AVX-512 (no SSE equivalent forms)
615 // AVX5128I - AVX-512 instructions with T8PD prefix.
616 // AVX512AIi8 - AVX-512 instructions with TAPD prefix and ImmT = Imm8.
617 // AVX512PDI - AVX-512 instructions with PD, double packed.
618 // AVX512PSI - AVX-512 instructions with TB, single packed.
619 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
620 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
621 // AVX512BI - AVX-512 instructions with PD, int packed domain.
622 // AVX512SI - AVX-512 scalar instructions with PD prefix.
624 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
625 list<dag> pattern, InstrItinClass itin = NoItinerary>
626 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
627 Requires<[HasAVX512]>;
628 class AVX512XS8I<bits<8> o, Format F, dag outs, dag ins, string asm,
629 list<dag> pattern, InstrItinClass itin = NoItinerary>
630 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8XS,
631 Requires<[HasAVX512]>;
632 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
633 list<dag> pattern, InstrItinClass itin = NoItinerary>
634 : I<o, F, outs, ins, asm, pattern, itin>, XS,
635 Requires<[HasAVX512]>;
636 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
637 list<dag> pattern, InstrItinClass itin = NoItinerary>
638 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
639 Requires<[HasAVX512]>;
640 class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
641 list<dag> pattern, InstrItinClass itin = NoItinerary>
642 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
643 Requires<[HasAVX512]>;
644 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
645 list<dag> pattern, InstrItinClass itin = NoItinerary>
646 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
647 Requires<[HasAVX512]>;
648 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
649 list<dag> pattern, InstrItinClass itin = NoItinerary>
650 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
651 Requires<[HasAVX512]>;
652 class AVX512Ii8<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>, TB,
655 Requires<[HasAVX512]>;
656 class AVX512PDI<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, SSEPackedDouble>, PD,
659 Requires<[HasAVX512]>;
660 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
661 list<dag> pattern, InstrItinClass itin = NoItinerary>
662 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
663 Requires<[HasAVX512]>;
664 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
665 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
666 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
667 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
668 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
669 : I<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
670 class AVX512FMA3<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>, T8PD,
673 EVEX_4V, Requires<[HasAVX512]>;
675 // AES Instruction Templates:
678 // These use the same encoding as the SSE4.2 T8 and TA encodings.
679 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
680 list<dag>pattern, InstrItinClass itin = IIC_AES>
681 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
684 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
685 list<dag> pattern, InstrItinClass itin = NoItinerary>
686 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
689 // PCLMUL Instruction Templates
690 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
691 list<dag>pattern, InstrItinClass itin = NoItinerary>
692 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
693 Requires<[HasPCLMUL]>;
695 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
696 list<dag>pattern, InstrItinClass itin = NoItinerary>
697 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
698 VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
700 // FMA3 Instruction Templates
701 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
702 list<dag>pattern, InstrItinClass itin = NoItinerary>
703 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
704 VEX_4V, FMASC, Requires<[HasFMA]>;
706 // FMA4 Instruction Templates
707 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
708 list<dag>pattern, InstrItinClass itin = NoItinerary>
709 : Ii8<o, F, outs, ins, asm, pattern, itin>, TAPD,
710 VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
712 // XOP 2, 3 and 4 Operand Instruction Template
713 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
714 list<dag> pattern, InstrItinClass itin = NoItinerary>
715 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
716 XOP, XOP9, Requires<[HasXOP]>;
718 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
719 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
720 list<dag> pattern, InstrItinClass itin = NoItinerary>
721 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
722 XOP, XOP8, Requires<[HasXOP]>;
724 // XOP 5 operand instruction (VEX encoding!)
725 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
726 list<dag>pattern, InstrItinClass itin = NoItinerary>
727 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
728 VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
730 // X86-64 Instruction templates...
733 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
734 list<dag> pattern, InstrItinClass itin = NoItinerary>
735 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
736 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
737 list<dag> pattern, InstrItinClass itin = NoItinerary>
738 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
739 class RIi16 <bits<8> o, Format F, dag outs, dag ins, string asm,
740 list<dag> pattern, InstrItinClass itin = NoItinerary>
741 : Ii16<o, F, outs, ins, asm, pattern, itin>, REX_W;
742 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
743 list<dag> pattern, InstrItinClass itin = NoItinerary>
744 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
746 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
747 list<dag> pattern, InstrItinClass itin = NoItinerary>
748 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
749 let Pattern = pattern;
753 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
754 list<dag> pattern, InstrItinClass itin = NoItinerary>
755 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
756 let Pattern = pattern;
760 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
761 list<dag> pattern, InstrItinClass itin = NoItinerary>
762 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
763 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
764 list<dag> pattern, InstrItinClass itin = NoItinerary>
765 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
766 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
767 list<dag> pattern, InstrItinClass itin = NoItinerary>
768 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
769 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
770 list<dag> pattern, InstrItinClass itin = NoItinerary>
771 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
772 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
773 list<dag> pattern, InstrItinClass itin = NoItinerary>
774 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
775 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
776 list<dag> pattern, InstrItinClass itin = NoItinerary>
777 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
779 // MMX Instruction templates
782 // MMXI - MMX instructions with TB prefix.
783 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
784 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
785 // MMX2I - MMX / SSE2 instructions with PD prefix.
786 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
787 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
788 // MMXID - MMX instructions with XD prefix.
789 // MMXIS - MMX instructions with XS prefix.
790 class MMXI<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]>;
793 class MMXI32<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, Requires<[HasMMX,Not64BitMode]>;
796 class MMXI64<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, Requires<[HasMMX,In64BitMode]>;
799 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
800 list<dag> pattern, InstrItinClass itin = NoItinerary>
801 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
802 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
803 list<dag> pattern, InstrItinClass itin = NoItinerary>
804 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[HasMMX]>;
805 class MMXIi8<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>, TB, Requires<[HasMMX]>;
808 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
809 list<dag> pattern, InstrItinClass itin = NoItinerary>
810 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
811 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
812 list<dag> pattern, InstrItinClass itin = NoItinerary>
813 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;