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 MRMInitReg : Format<32>;
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 AdSize { bit hasAdSizePrefix = 1; }
117 class REX_W { bit hasREX_WPrefix = 1; }
118 class LOCK { bit hasLockPrefix = 1; }
119 class SegFS { bits<2> SegOvrBits = 1; }
120 class SegGS { bits<2> SegOvrBits = 2; }
121 class TB { bits<5> Prefix = 1; }
122 class REP { bits<5> Prefix = 2; }
123 class D8 { bits<5> Prefix = 3; }
124 class D9 { bits<5> Prefix = 4; }
125 class DA { bits<5> Prefix = 5; }
126 class DB { bits<5> Prefix = 6; }
127 class DC { bits<5> Prefix = 7; }
128 class DD { bits<5> Prefix = 8; }
129 class DE { bits<5> Prefix = 9; }
130 class DF { bits<5> Prefix = 10; }
131 class XD { bits<5> Prefix = 11; }
132 class XS { bits<5> Prefix = 12; }
133 class T8 { bits<5> Prefix = 13; }
134 class TA { bits<5> Prefix = 14; }
135 class A6 { bits<5> Prefix = 15; }
136 class A7 { bits<5> Prefix = 16; }
137 class T8XD { bits<5> Prefix = 17; }
138 class T8XS { bits<5> Prefix = 18; }
139 class TAXD { bits<5> Prefix = 19; }
140 class XOP8 { bits<5> Prefix = 20; }
141 class XOP9 { bits<5> Prefix = 21; }
142 class VEX { bit hasVEXPrefix = 1; }
143 class VEX_W { bit hasVEX_WPrefix = 1; }
144 class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
145 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
146 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
147 class VEX_L { bit hasVEX_L = 1; }
148 class VEX_LIG { bit ignoresVEX_L = 1; }
149 class EVEX : VEX { bit hasEVEXPrefix = 1; }
150 class EVEX_4V : VEX_4V { bit hasEVEXPrefix = 1; }
151 class EVEX_K { bit hasEVEX_K = 1; }
152 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
153 class EVEX_B { bit hasEVEX_B = 1; }
154 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
155 class EVEX_CD8<int esize, CD8VForm form> {
156 bits<2> EVEX_CD8E = !if(!eq(esize, 8), 0b00,
157 !if(!eq(esize, 16), 0b01,
158 !if(!eq(esize, 32), 0b10,
159 !if(!eq(esize, 64), 0b11, ?))));
160 bits<3> EVEX_CD8V = form.Value;
162 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
163 class MemOp4 { bit hasMemOp4Prefix = 1; }
164 class XOP { bit hasXOP_Prefix = 1; }
165 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
168 Domain d = GenericDomain>
170 let Namespace = "X86";
172 bits<8> Opcode = opcod;
174 bits<6> FormBits = Form.Value;
177 dag OutOperandList = outs;
178 dag InOperandList = ins;
179 string AsmString = AsmStr;
181 // If this is a pseudo instruction, mark it isCodeGenOnly.
182 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
184 let Itinerary = itin;
187 // Attributes specific to X86 instructions...
189 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
190 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
192 bits<5> Prefix = 0; // Which prefix byte does this inst have?
193 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
194 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
195 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
196 bits<2> SegOvrBits = 0; // Segment override prefix.
197 Domain ExeDomain = d;
198 bit hasVEXPrefix = 0; // Does this inst require a VEX prefix?
199 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
200 bit hasVEX_4VPrefix = 0; // Does this inst require the VEX.VVVV field?
201 bit hasVEX_4VOp3Prefix = 0; // Does this inst require the VEX.VVVV field to
202 // encode the third operand?
203 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
204 // to be encoded in a immediate field?
205 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
206 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
207 bit hasEVEXPrefix = 0; // Does this inst require EVEX form?
208 bit hasEVEX_K = 0; // Does this inst require masking?
209 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
210 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
211 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
212 bits<2> EVEX_CD8E = 0; // Compressed disp8 form - element-size.
213 bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
214 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
215 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
216 bit hasXOP_Prefix = 0; // Does this inst require an XOP prefix?
218 // TSFlags layout should be kept in sync with X86InstrInfo.h.
219 let TSFlags{5-0} = FormBits;
220 let TSFlags{6} = hasOpSizePrefix;
221 let TSFlags{7} = hasAdSizePrefix;
222 let TSFlags{12-8} = Prefix;
223 let TSFlags{13} = hasREX_WPrefix;
224 let TSFlags{16-14} = ImmT.Value;
225 let TSFlags{19-17} = FPForm.Value;
226 let TSFlags{20} = hasLockPrefix;
227 let TSFlags{22-21} = SegOvrBits;
228 let TSFlags{24-23} = ExeDomain.Value;
229 let TSFlags{32-25} = Opcode;
230 let TSFlags{33} = hasVEXPrefix;
231 let TSFlags{34} = hasVEX_WPrefix;
232 let TSFlags{35} = hasVEX_4VPrefix;
233 let TSFlags{36} = hasVEX_4VOp3Prefix;
234 let TSFlags{37} = hasVEX_i8ImmReg;
235 let TSFlags{38} = hasVEX_L;
236 let TSFlags{39} = ignoresVEX_L;
237 let TSFlags{40} = hasEVEXPrefix;
238 let TSFlags{41} = hasEVEX_K;
239 let TSFlags{42} = hasEVEX_Z;
240 let TSFlags{43} = hasEVEX_L2;
241 let TSFlags{44} = hasEVEX_B;
242 let TSFlags{46-45} = EVEX_CD8E;
243 let TSFlags{49-47} = EVEX_CD8V;
244 let TSFlags{50} = has3DNow0F0FOpcode;
245 let TSFlags{51} = hasMemOp4Prefix;
246 let TSFlags{52} = hasXOP_Prefix;
249 class PseudoI<dag oops, dag iops, list<dag> pattern>
250 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
251 let Pattern = pattern;
254 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
255 list<dag> pattern, InstrItinClass itin = NoItinerary,
256 Domain d = GenericDomain>
257 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
258 let Pattern = pattern;
261 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
262 list<dag> pattern, InstrItinClass itin = NoItinerary,
263 Domain d = GenericDomain>
264 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
265 let Pattern = pattern;
268 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
269 list<dag> pattern, InstrItinClass itin = NoItinerary>
270 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
271 let Pattern = pattern;
274 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
275 list<dag> pattern, InstrItinClass itin = NoItinerary>
276 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
277 let Pattern = pattern;
280 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
281 list<dag> pattern, InstrItinClass itin = NoItinerary>
282 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
283 let Pattern = pattern;
287 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
288 list<dag> pattern, InstrItinClass itin = NoItinerary>
289 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
290 let Pattern = pattern;
294 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
295 list<dag> pattern, InstrItinClass itin = NoItinerary>
296 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
297 let Pattern = pattern;
301 // FPStack Instruction Templates:
302 // FPI - Floating Point Instruction template.
303 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
304 InstrItinClass itin = NoItinerary>
305 : I<o, F, outs, ins, asm, [], itin> {}
307 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
308 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
309 InstrItinClass itin = NoItinerary>
310 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
312 let Pattern = pattern;
315 // Templates for instructions that use a 16- or 32-bit segmented address as
316 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
318 // Iseg16 - 16-bit segment selector, 16-bit offset
319 // Iseg32 - 16-bit segment selector, 32-bit offset
321 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
322 list<dag> pattern, InstrItinClass itin = NoItinerary>
323 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
324 let Pattern = pattern;
328 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
329 list<dag> pattern, InstrItinClass itin = NoItinerary>
330 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
331 let Pattern = pattern;
338 // SI - SSE 1 & 2 scalar instructions
339 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
340 list<dag> pattern, InstrItinClass itin = NoItinerary>
341 : I<o, F, outs, ins, asm, pattern, itin> {
342 let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
343 !if(!eq(Prefix, __xs.Prefix), [UseSSE1],
344 !if(!eq(Prefix, __xd.Prefix), [UseSSE2],
345 !if(hasOpSizePrefix, [UseSSE2], [UseSSE1]))));
347 // AVX instructions have a 'v' prefix in the mnemonic
348 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
351 // SIi8 - SSE 1 & 2 scalar instructions
352 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
353 list<dag> pattern, InstrItinClass itin = NoItinerary>
354 : Ii8<o, F, outs, ins, asm, pattern, itin> {
355 let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
356 !if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2]));
358 // AVX instructions have a 'v' prefix in the mnemonic
359 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
362 // PI - SSE 1 & 2 packed instructions
363 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
364 InstrItinClass itin, Domain d>
365 : I<o, F, outs, ins, asm, pattern, itin, d> {
366 let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
367 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1]));
369 // AVX instructions have a 'v' prefix in the mnemonic
370 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
373 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
374 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
375 InstrItinClass itin, Domain d>
376 : I<o, F, outs, ins, asm, pattern, itin, d> {
377 let Predicates = !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]);
380 // PIi8 - SSE 1 & 2 packed instructions with immediate
381 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
382 list<dag> pattern, InstrItinClass itin, Domain d>
383 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
384 let Predicates = !if(hasVEX_4VPrefix /* VEX */, [HasAVX],
385 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1]));
387 // AVX instructions have a 'v' prefix in the mnemonic
388 let AsmString = !if(hasVEX_4VPrefix, !strconcat("v", asm), asm);
391 // SSE1 Instruction Templates:
393 // SSI - SSE1 instructions with XS prefix.
394 // PSI - SSE1 instructions with TB prefix.
395 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
396 // VSSI - SSE1 instructions with XS prefix in AVX form.
397 // VPSI - SSE1 instructions with TB prefix in AVX form, packed single.
399 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
400 list<dag> pattern, InstrItinClass itin = NoItinerary>
401 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
402 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
403 list<dag> pattern, InstrItinClass itin = NoItinerary>
404 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
405 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
406 list<dag> pattern, InstrItinClass itin = NoItinerary>
407 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
409 class PSIi8<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, SSEPackedSingle>, TB,
413 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
414 list<dag> pattern, InstrItinClass itin = NoItinerary>
415 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
417 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
418 list<dag> pattern, InstrItinClass itin = NoItinerary>
419 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
422 // SSE2 Instruction Templates:
424 // SDI - SSE2 instructions with XD prefix.
425 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
426 // S2SI - SSE2 instructions with XS prefix.
427 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
428 // PDI - SSE2 instructions with TB and OpSize prefixes, packed double domain.
429 // PDIi8 - SSE2 instructions with ImmT == Imm8 and TB and OpSize prefixes.
430 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
431 // VPDI - SSE2 vector instructions with TB and OpSize prefixes in AVX form,
432 // packed double domain.
433 // VS2I - SSE2 scalar instructions with TB and OpSize prefixes in AVX form.
434 // S2I - SSE2 scalar instructions with TB and OpSize prefixes.
435 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
437 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
440 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
441 list<dag> pattern, InstrItinClass itin = NoItinerary>
442 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
443 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
444 list<dag> pattern, InstrItinClass itin = NoItinerary>
445 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
446 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
447 list<dag> pattern, InstrItinClass itin = NoItinerary>
448 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
449 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
450 list<dag> pattern, InstrItinClass itin = NoItinerary>
451 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
452 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
453 list<dag> pattern, InstrItinClass itin = NoItinerary>
454 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
456 class PDIi8<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, itin, SSEPackedDouble>, TB, OpSize,
460 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
461 list<dag> pattern, InstrItinClass itin = NoItinerary>
462 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
464 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
465 list<dag> pattern, InstrItinClass itin = NoItinerary>
466 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
468 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
469 list<dag> pattern, InstrItinClass itin = NoItinerary>
470 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>, TB,
471 OpSize, Requires<[HasAVX]>;
472 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
473 list<dag> pattern, InstrItinClass itin = NoItinerary>
474 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, TB,
475 OpSize, Requires<[HasAVX]>;
476 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
477 list<dag> pattern, InstrItinClass itin = NoItinerary>
478 : I<o, F, outs, ins, asm, pattern, itin>, TB,
479 OpSize, Requires<[UseSSE2]>;
480 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
481 list<dag> pattern, InstrItinClass itin = NoItinerary>
482 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
483 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
484 list<dag> pattern, InstrItinClass itin = NoItinerary>
485 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
487 // SSE3 Instruction Templates:
489 // S3I - SSE3 instructions with TB and OpSize prefixes.
490 // S3SI - SSE3 instructions with XS prefix.
491 // S3DI - SSE3 instructions with XD prefix.
493 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
494 list<dag> pattern, InstrItinClass itin = NoItinerary>
495 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
497 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
498 list<dag> pattern, InstrItinClass itin = NoItinerary>
499 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
501 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
502 list<dag> pattern, InstrItinClass itin = NoItinerary>
503 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
507 // SSSE3 Instruction Templates:
509 // SS38I - SSSE3 instructions with T8 prefix.
510 // SS3AI - SSSE3 instructions with TA prefix.
511 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
512 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
514 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
515 // uses the MMX registers. The 64-bit versions are grouped with the MMX
516 // classes. They need to be enabled even if AVX is enabled.
518 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
519 list<dag> pattern, InstrItinClass itin = NoItinerary>
520 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
521 Requires<[UseSSSE3]>;
522 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
523 list<dag> pattern, InstrItinClass itin = NoItinerary>
524 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
525 Requires<[UseSSSE3]>;
526 class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
527 list<dag> pattern, InstrItinClass itin = NoItinerary>
528 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
529 Requires<[HasSSSE3]>;
530 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
531 list<dag> pattern, InstrItinClass itin = NoItinerary>
532 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
533 Requires<[HasSSSE3]>;
535 // SSE4.1 Instruction Templates:
537 // SS48I - SSE 4.1 instructions with T8 prefix.
538 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
540 class SS48I<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<[UseSSE41]>;
544 class SS4AIi8<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<[UseSSE41]>;
549 // SSE4.2 Instruction Templates:
551 // SS428I - SSE 4.2 instructions with T8 prefix.
552 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
553 list<dag> pattern, InstrItinClass itin = NoItinerary>
554 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
555 Requires<[UseSSE42]>;
557 // SS42FI - SSE 4.2 instructions with T8XD prefix.
558 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
559 class SS42FI<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>, T8XD, Requires<[HasSSE42]>;
563 // SS42AI = SSE 4.2 instructions with TA prefix
564 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
565 list<dag> pattern, InstrItinClass itin = NoItinerary>
566 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
567 Requires<[UseSSE42]>;
569 // AVX Instruction Templates:
570 // Instructions introduced in AVX (no SSE equivalent forms)
572 // AVX8I - AVX instructions with T8 and OpSize prefix.
573 // AVXAIi8 - AVX instructions with TA, OpSize prefix and ImmT = Imm8.
574 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
575 list<dag> pattern, InstrItinClass itin = NoItinerary>
576 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
578 class AVXAIi8<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>, TA, OpSize,
583 // AVX2 Instruction Templates:
584 // Instructions introduced in AVX2 (no SSE equivalent forms)
586 // AVX28I - AVX2 instructions with T8 and OpSize prefix.
587 // AVX2AIi8 - AVX2 instructions with TA, OpSize prefix and ImmT = Imm8.
588 class AVX28I<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>, T8, OpSize,
592 class AVX2AIi8<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>, TA, OpSize,
598 // AVX-512 Instruction Templates:
599 // Instructions introduced in AVX-512 (no SSE equivalent forms)
601 // AVX5128I - AVX-512 instructions with T8 and OpSize prefix.
602 // AVX512AIi8 - AVX-512 instructions with TA, OpSize prefix and ImmT = Imm8.
603 // AVX512PDI - AVX-512 instructions with TB, OpSize, double packed.
604 // AVX512PSI - AVX-512 instructions with TB, single packed.
605 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
606 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
607 // AVX512BI - AVX-512 instructions with TB, OpSize, int packed domain.
608 // AVX512SI - AVX-512 scalar instructions with TB and OpSize prefixes.
610 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
611 list<dag> pattern, InstrItinClass itin = NoItinerary>
612 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
613 Requires<[HasAVX512]>;
614 class AVX512XS8I<bits<8> o, Format F, dag outs, dag ins, string asm,
615 list<dag> pattern, InstrItinClass itin = NoItinerary>
616 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8XS,
617 Requires<[HasAVX512]>;
618 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
619 list<dag> pattern, InstrItinClass itin = NoItinerary>
620 : I<o, F, outs, ins, asm, pattern, itin>, XS,
621 Requires<[HasAVX512]>;
622 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
623 list<dag> pattern, InstrItinClass itin = NoItinerary>
624 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
625 Requires<[HasAVX512]>;
626 class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
627 list<dag> pattern, InstrItinClass itin = NoItinerary>
628 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
629 Requires<[HasAVX512]>;
630 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
631 list<dag> pattern, InstrItinClass itin = NoItinerary>
632 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
633 Requires<[HasAVX512]>;
634 class AVX512SI<bits<8> o, Format F, dag outs, dag ins, string asm,
635 list<dag> pattern, InstrItinClass itin = NoItinerary>
636 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
637 Requires<[HasAVX512]>;
638 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
639 list<dag> pattern, InstrItinClass itin = NoItinerary>
640 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
641 Requires<[HasAVX512]>;
642 class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
643 list<dag> pattern, InstrItinClass itin = NoItinerary>
644 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>,
645 Requires<[HasAVX512]>;
646 class AVX512PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
647 list<dag> pattern, InstrItinClass itin = NoItinerary>
648 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB,
649 OpSize, Requires<[HasAVX512]>;
650 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
651 list<dag> pattern, InstrItinClass itin = NoItinerary>
652 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
653 Requires<[HasAVX512]>;
654 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
655 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
656 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
657 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
658 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
659 : I<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
660 class AVX512FMA3<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>, T8,
663 OpSize, EVEX_4V, Requires<[HasAVX512]>;
665 // AES Instruction Templates:
668 // These use the same encoding as the SSE4.2 T8 and TA encodings.
669 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
670 list<dag>pattern, InstrItinClass itin = NoItinerary>
671 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
674 class AESAI<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>, TA,
679 // PCLMUL Instruction Templates
680 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
681 list<dag>pattern, InstrItinClass itin = NoItinerary>
682 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
683 OpSize, Requires<[HasPCLMUL]>;
685 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
686 list<dag>pattern, InstrItinClass itin = NoItinerary>
687 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
688 OpSize, VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
690 // FMA3 Instruction Templates
691 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
692 list<dag>pattern, InstrItinClass itin = NoItinerary>
693 : I<o, F, outs, ins, asm, pattern, itin>, T8,
694 OpSize, VEX_4V, FMASC, Requires<[HasFMA]>;
696 // FMA4 Instruction Templates
697 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
698 list<dag>pattern, InstrItinClass itin = NoItinerary>
699 : Ii8<o, F, outs, ins, asm, pattern, itin>, TA,
700 OpSize, VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
702 // XOP 2, 3 and 4 Operand Instruction Template
703 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
704 list<dag> pattern, InstrItinClass itin = NoItinerary>
705 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
706 XOP, XOP9, Requires<[HasXOP]>;
708 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
709 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
710 list<dag> pattern, InstrItinClass itin = NoItinerary>
711 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
712 XOP, XOP8, Requires<[HasXOP]>;
714 // XOP 5 operand instruction (VEX encoding!)
715 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
716 list<dag>pattern, InstrItinClass itin = NoItinerary>
717 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
718 OpSize, VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
720 // X86-64 Instruction templates...
723 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
724 list<dag> pattern, InstrItinClass itin = NoItinerary>
725 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
726 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
727 list<dag> pattern, InstrItinClass itin = NoItinerary>
728 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
729 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
730 list<dag> pattern, InstrItinClass itin = NoItinerary>
731 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
733 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
734 list<dag> pattern, InstrItinClass itin = NoItinerary>
735 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
736 let Pattern = pattern;
740 class RIi64_NOREX<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> {
743 let Pattern = pattern;
747 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
748 list<dag> pattern, InstrItinClass itin = NoItinerary>
749 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
750 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
751 list<dag> pattern, InstrItinClass itin = NoItinerary>
752 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
753 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
754 list<dag> pattern, InstrItinClass itin = NoItinerary>
755 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
756 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
757 list<dag> pattern, InstrItinClass itin = NoItinerary>
758 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
759 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
760 list<dag> pattern, InstrItinClass itin = NoItinerary>
761 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
762 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
763 list<dag> pattern, InstrItinClass itin = NoItinerary>
764 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
766 // MMX Instruction templates
769 // MMXI - MMX instructions with TB prefix.
770 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
771 // MMX2I - MMX / SSE2 instructions with TB and OpSize prefixes.
772 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
773 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
774 // MMXID - MMX instructions with XD prefix.
775 // MMXIS - MMX instructions with XS prefix.
776 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
777 list<dag> pattern, InstrItinClass itin = NoItinerary>
778 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
779 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
780 list<dag> pattern, InstrItinClass itin = NoItinerary>
781 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,In64BitMode]>;
782 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
783 list<dag> pattern, InstrItinClass itin = NoItinerary>
784 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
785 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
786 list<dag> pattern, InstrItinClass itin = NoItinerary>
787 : I<o, F, outs, ins, asm, pattern, itin>, TB, OpSize, Requires<[HasMMX]>;
788 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
789 list<dag> pattern, InstrItinClass itin = NoItinerary>
790 : Ii8<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
791 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
792 list<dag> pattern, InstrItinClass itin = NoItinerary>
793 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
794 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
795 list<dag> pattern, InstrItinClass itin = NoItinerary>
796 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;