1 //===-- X86InstrFormats.td - X86 Instruction Formats -------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 // X86 Instruction Format Definitions.
14 // Format specifies the encoding used by the instruction. This is part of the
15 // ad-hoc solution used to emit machine instruction encodings by our machine
17 class Format<bits<7> val> {
21 def Pseudo : Format<0>; 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 RawFrmDstSrc: Format<10>;
27 def RawFrmImm8 : Format<11>;
28 def RawFrmImm16 : Format<12>;
29 def MRMXr : Format<14>; def MRMXm : Format<15>;
30 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
31 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
32 def MRM6r : Format<22>; def MRM7r : Format<23>;
33 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
34 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
35 def MRM6m : Format<30>; def MRM7m : Format<31>;
36 def MRM_C0 : Format<32>; def MRM_C1 : Format<33>; def MRM_C2 : Format<34>;
37 def MRM_C3 : Format<35>; def MRM_C4 : Format<36>; def MRM_C8 : Format<37>;
38 def MRM_C9 : Format<38>; def MRM_CA : Format<39>; def MRM_CB : Format<40>;
39 def MRM_D0 : Format<41>; def MRM_D1 : Format<42>; def MRM_D4 : Format<43>;
40 def MRM_D5 : Format<44>; def MRM_D6 : Format<45>; def MRM_D8 : Format<46>;
41 def MRM_D9 : Format<47>; def MRM_DA : Format<48>; def MRM_DB : Format<49>;
42 def MRM_DC : Format<50>; def MRM_DD : Format<51>; def MRM_DE : Format<52>;
43 def MRM_DF : Format<53>; def MRM_E0 : Format<54>; def MRM_E1 : Format<55>;
44 def MRM_E2 : Format<56>; def MRM_E3 : Format<57>; def MRM_E4 : Format<58>;
45 def MRM_E5 : Format<59>; def MRM_E8 : Format<60>; def MRM_E9 : Format<61>;
46 def MRM_EA : Format<62>; def MRM_EB : Format<63>; def MRM_EC : Format<64>;
47 def MRM_ED : Format<65>; def MRM_EE : Format<66>; def MRM_F0 : Format<67>;
48 def MRM_F1 : Format<68>; def MRM_F2 : Format<69>; def MRM_F3 : Format<70>;
49 def MRM_F4 : Format<71>; def MRM_F5 : Format<72>; def MRM_F6 : Format<73>;
50 def MRM_F7 : Format<74>; def MRM_F8 : Format<75>; def MRM_F9 : Format<76>;
51 def MRM_FA : Format<77>; def MRM_FB : Format<78>; def MRM_FC : Format<79>;
52 def MRM_FD : Format<80>; def MRM_FE : Format<81>; def MRM_FF : Format<82>;
54 // ImmType - This specifies the immediate type used by an instruction. This is
55 // part of the ad-hoc solution used to emit machine instruction encodings by our
56 // machine code emitter.
57 class ImmType<bits<4> val> {
60 def NoImm : ImmType<0>;
61 def Imm8 : ImmType<1>;
62 def Imm8PCRel : ImmType<2>;
63 def Imm16 : ImmType<3>;
64 def Imm16PCRel : ImmType<4>;
65 def Imm32 : ImmType<5>;
66 def Imm32PCRel : ImmType<6>;
67 def Imm32S : ImmType<7>;
68 def Imm64 : ImmType<8>;
70 // FPFormat - This specifies what form this FP instruction has. This is used by
71 // the Floating-Point stackifier pass.
72 class FPFormat<bits<3> val> {
75 def NotFP : FPFormat<0>;
76 def ZeroArgFP : FPFormat<1>;
77 def OneArgFP : FPFormat<2>;
78 def OneArgFPRW : FPFormat<3>;
79 def TwoArgFP : FPFormat<4>;
80 def CompareFP : FPFormat<5>;
81 def CondMovFP : FPFormat<6>;
82 def SpecialFP : FPFormat<7>;
84 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
85 // Keep in sync with tables in X86InstrInfo.cpp.
86 class Domain<bits<2> val> {
89 def GenericDomain : Domain<0>;
90 def SSEPackedSingle : Domain<1>;
91 def SSEPackedDouble : Domain<2>;
92 def SSEPackedInt : Domain<3>;
94 // Class specifying the vector form of the decompressed
95 // displacement of 8-bit.
96 class CD8VForm<bits<3> val> {
99 def CD8VF : CD8VForm<0>; // v := VL
100 def CD8VH : CD8VForm<1>; // v := VL/2
101 def CD8VQ : CD8VForm<2>; // v := VL/4
102 def CD8VO : CD8VForm<3>; // v := VL/8
103 def CD8VT1 : CD8VForm<4>; // v := 1
104 def CD8VT2 : CD8VForm<5>; // v := 2
105 def CD8VT4 : CD8VForm<6>; // v := 4
106 def CD8VT8 : CD8VForm<7>; // v := 8
108 // Class specifying the prefix used an opcode extension.
109 class Prefix<bits<3> val> {
112 def NoPrfx : Prefix<0>;
118 // Class specifying the opcode map.
119 class Map<bits<3> val> {
130 // Class specifying the encoding
131 class Encoding<bits<2> val> {
134 def EncNormal : Encoding<0>;
135 def EncVEX : Encoding<1>;
136 def EncXOP : Encoding<2>;
137 def EncEVEX : Encoding<3>;
139 // Operand size for encodings that change based on mode.
140 class OperandSize<bits<2> val> {
143 def OpSizeFixed : OperandSize<0>; // Never needs a 0x66 prefix.
144 def OpSize16 : OperandSize<1>; // Needs 0x66 prefix in 32-bit mode.
145 def OpSize32 : OperandSize<2>; // Needs 0x66 prefix in 16-bit mode.
147 // Prefix byte classes which are used to indicate to the ad-hoc machine code
148 // emitter that various prefix bytes are required.
149 class OpSize16 { OperandSize OpSize = OpSize16; }
150 class OpSize32 { OperandSize OpSize = OpSize32; }
151 class AdSize { bit hasAdSizePrefix = 1; }
152 class REX_W { bit hasREX_WPrefix = 1; }
153 class LOCK { bit hasLockPrefix = 1; }
154 class REP { bit hasREPPrefix = 1; }
155 class TB { Map OpMap = TB; }
156 class T8 { Map OpMap = T8; }
157 class TA { Map OpMap = TA; }
158 class XOP8 { Map OpMap = XOP8; Prefix OpPrefix = PS; }
159 class XOP9 { Map OpMap = XOP9; Prefix OpPrefix = PS; }
160 class XOPA { Map OpMap = XOPA; Prefix OpPrefix = PS; }
161 class OBXS { Prefix OpPrefix = XS; }
162 class PS : TB { Prefix OpPrefix = PS; }
163 class PD : TB { Prefix OpPrefix = PD; }
164 class XD : TB { Prefix OpPrefix = XD; }
165 class XS : TB { Prefix OpPrefix = XS; }
166 class T8PS : T8 { Prefix OpPrefix = PS; }
167 class T8PD : T8 { Prefix OpPrefix = PD; }
168 class T8XD : T8 { Prefix OpPrefix = XD; }
169 class T8XS : T8 { Prefix OpPrefix = XS; }
170 class TAPS : TA { Prefix OpPrefix = PS; }
171 class TAPD : TA { Prefix OpPrefix = PD; }
172 class TAXD : TA { Prefix OpPrefix = XD; }
173 class VEX { Encoding OpEnc = EncVEX; }
174 class VEX_W { bit hasVEX_WPrefix = 1; }
175 class VEX_4V : VEX { bit hasVEX_4V = 1; }
176 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3 = 1; }
177 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
178 class VEX_L { bit hasVEX_L = 1; }
179 class VEX_LIG { bit ignoresVEX_L = 1; }
180 class EVEX : VEX { Encoding OpEnc = EncEVEX; }
181 class EVEX_4V : VEX_4V { Encoding OpEnc = EncEVEX; }
182 class EVEX_K { bit hasEVEX_K = 1; }
183 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
184 class EVEX_B { bit hasEVEX_B = 1; }
185 class EVEX_RC { bit hasEVEX_RC = 1; }
186 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
188 // Specify AVX512 8-bit compressed displacement encoding based on the vector
189 // element size in bits (8, 16, 32, 64) and the CDisp8 form.
190 class EVEX_CD8<int esize, CD8VForm form> {
191 int CD8_EltSize = !srl(esize, 3);
192 bits<3> EVEX_CD8V = form.Value;
195 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
196 class MemOp4 { bit hasMemOp4Prefix = 1; }
197 class XOP { Encoding OpEnc = EncXOP; }
198 class XOP_4V : XOP { bit hasVEX_4V = 1; }
199 class XOP_4VOp3 : XOP { bit hasVEX_4VOp3 = 1; }
201 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
204 Domain d = GenericDomain>
206 let Namespace = "X86";
208 bits<8> Opcode = opcod;
210 bits<7> FormBits = Form.Value;
213 dag OutOperandList = outs;
214 dag InOperandList = ins;
215 string AsmString = AsmStr;
217 // If this is a pseudo instruction, mark it isCodeGenOnly.
218 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
220 let Itinerary = itin;
223 // Attributes specific to X86 instructions...
225 bit ForceDisassemble = 0; // Force instruction to disassemble even though it's
226 // isCodeGenonly. Needed to hide an ambiguous
227 // AsmString from the parser, but still disassemble.
229 OperandSize OpSize = OpSizeFixed; // Does this instruction's encoding change
230 // based on operand size of the mode
231 bits<2> OpSizeBits = OpSize.Value;
232 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
234 Prefix OpPrefix = NoPrfx; // Which prefix byte does this inst have?
235 bits<3> OpPrefixBits = OpPrefix.Value;
236 Map OpMap = OB; // Which opcode map does this inst have?
237 bits<3> OpMapBits = OpMap.Value;
238 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
239 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
240 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
241 Domain ExeDomain = d;
242 bit hasREPPrefix = 0; // Does this inst have a REP prefix?
243 Encoding OpEnc = EncNormal; // Encoding used by this instruction
244 bits<2> OpEncBits = OpEnc.Value;
245 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
246 bit hasVEX_4V = 0; // Does this inst require the VEX.VVVV field?
247 bit hasVEX_4VOp3 = 0; // Does this inst require the VEX.VVVV field to
248 // encode the third operand?
249 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
250 // to be encoded in a immediate field?
251 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
252 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
253 bit hasEVEX_K = 0; // Does this inst require masking?
254 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
255 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
256 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
257 bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
258 // Declare it int rather than bits<4> so that all bits are defined when
259 // assigning to bits<7>.
260 int CD8_EltSize = 0; // Compressed disp8 form - element-size in bytes.
261 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
262 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
263 bit hasEVEX_RC = 0; // Explicitly specified rounding control in FP instruction.
266 let EVEX_LL{0} = hasVEX_L;
267 let EVEX_LL{1} = hasEVEX_L2;
268 // Vector size in bytes.
269 bits<7> VectSize = !shl(16, EVEX_LL);
271 // The scaling factor for AVX512's compressed displacement is either
272 // - the size of a power-of-two number of elements or
273 // - the size of a single element for broadcasts or
274 // - the total vector size divided by a power-of-two number.
275 // Possible values are: 0 (non-AVX512 inst), 1, 2, 4, 8, 16, 32 and 64.
276 bits<7> CD8_Scale = !if (!eq (OpEnc.Value, EncEVEX.Value),
278 !shl(CD8_EltSize, EVEX_CD8V{1-0}),
281 !srl(VectSize, EVEX_CD8V{1-0}))), 0);
283 // TSFlags layout should be kept in sync with X86InstrInfo.h.
284 let TSFlags{6-0} = FormBits;
285 let TSFlags{8-7} = OpSizeBits;
286 let TSFlags{9} = hasAdSizePrefix;
287 let TSFlags{12-10} = OpPrefixBits;
288 let TSFlags{15-13} = OpMapBits;
289 let TSFlags{16} = hasREX_WPrefix;
290 let TSFlags{20-17} = ImmT.Value;
291 let TSFlags{23-21} = FPForm.Value;
292 let TSFlags{24} = hasLockPrefix;
293 let TSFlags{25} = hasREPPrefix;
294 let TSFlags{27-26} = ExeDomain.Value;
295 let TSFlags{29-28} = OpEncBits;
296 let TSFlags{37-30} = Opcode;
297 let TSFlags{38} = hasVEX_WPrefix;
298 let TSFlags{39} = hasVEX_4V;
299 let TSFlags{40} = hasVEX_4VOp3;
300 let TSFlags{41} = hasVEX_i8ImmReg;
301 let TSFlags{42} = hasVEX_L;
302 let TSFlags{43} = ignoresVEX_L;
303 let TSFlags{44} = hasEVEX_K;
304 let TSFlags{45} = hasEVEX_Z;
305 let TSFlags{46} = hasEVEX_L2;
306 let TSFlags{47} = hasEVEX_B;
307 // If we run out of TSFlags bits, it's possible to encode this in 3 bits.
308 let TSFlags{54-48} = CD8_Scale;
309 let TSFlags{55} = has3DNow0F0FOpcode;
310 let TSFlags{56} = hasMemOp4Prefix;
311 let TSFlags{57} = hasEVEX_RC;
314 class PseudoI<dag oops, dag iops, list<dag> pattern>
315 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
316 let Pattern = pattern;
319 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
320 list<dag> pattern, InstrItinClass itin = NoItinerary,
321 Domain d = GenericDomain>
322 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
323 let Pattern = pattern;
326 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
327 list<dag> pattern, InstrItinClass itin = NoItinerary,
328 Domain d = GenericDomain>
329 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
330 let Pattern = pattern;
333 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
334 list<dag> pattern, InstrItinClass itin = NoItinerary>
335 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
336 let Pattern = pattern;
339 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
340 list<dag> pattern, InstrItinClass itin = NoItinerary>
341 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
342 let Pattern = pattern;
345 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
346 list<dag> pattern, InstrItinClass itin = NoItinerary>
347 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
348 let Pattern = pattern;
351 class Ii32S<bits<8> o, Format f, dag outs, dag ins, string asm,
352 list<dag> pattern, InstrItinClass itin = NoItinerary>
353 : X86Inst<o, f, Imm32S, outs, ins, asm, itin> {
354 let Pattern = pattern;
358 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
359 list<dag> pattern, InstrItinClass itin = NoItinerary>
360 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
361 let Pattern = pattern;
365 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
366 list<dag> pattern, InstrItinClass itin = NoItinerary>
367 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
368 let Pattern = pattern;
372 // FPStack Instruction Templates:
373 // FPI - Floating Point Instruction template.
374 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
375 InstrItinClass itin = NoItinerary>
376 : I<o, F, outs, ins, asm, [], itin> {}
378 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
379 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
380 InstrItinClass itin = NoItinerary>
381 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
383 let Pattern = pattern;
386 // Templates for instructions that use a 16- or 32-bit segmented address as
387 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
389 // Iseg16 - 16-bit segment selector, 16-bit offset
390 // Iseg32 - 16-bit segment selector, 32-bit offset
392 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
393 list<dag> pattern, InstrItinClass itin = NoItinerary>
394 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
395 let Pattern = pattern;
399 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
400 list<dag> pattern, InstrItinClass itin = NoItinerary>
401 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
402 let Pattern = pattern;
406 // SI - SSE 1 & 2 scalar instructions
407 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
408 list<dag> pattern, InstrItinClass itin = NoItinerary>
409 : I<o, F, outs, ins, asm, pattern, itin> {
410 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
411 !if(!eq(OpEnc.Value, EncVEX.Value), [UseAVX],
412 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
413 !if(!eq(OpPrefix.Value, XD.Value), [UseSSE2],
414 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
417 // AVX instructions have a 'v' prefix in the mnemonic
418 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
419 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
423 // SIi8 - SSE 1 & 2 scalar instructions
424 class SIi8<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> {
427 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
428 !if(!eq(OpEnc.Value, EncVEX.Value), [UseAVX],
429 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
432 // AVX instructions have a 'v' prefix in the mnemonic
433 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
434 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
438 // PI - SSE 1 & 2 packed instructions
439 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
440 InstrItinClass itin, Domain d>
441 : I<o, F, outs, ins, asm, pattern, itin, d> {
442 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
443 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
444 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
447 // AVX instructions have a 'v' prefix in the mnemonic
448 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
449 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
453 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
454 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
455 InstrItinClass itin, Domain d>
456 : I<o, F, outs, ins, asm, pattern, itin, d> {
457 let Predicates = !if(!eq(OpPrefix.Value, PD.Value), [HasSSE2],
461 // PIi8 - SSE 1 & 2 packed instructions with immediate
462 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
463 list<dag> pattern, InstrItinClass itin, Domain d>
464 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
465 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
466 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
467 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
470 // AVX instructions have a 'v' prefix in the mnemonic
471 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
472 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
476 // SSE1 Instruction Templates:
478 // SSI - SSE1 instructions with XS prefix.
479 // PSI - SSE1 instructions with PS prefix.
480 // PSIi8 - SSE1 instructions with ImmT == Imm8 and PS prefix.
481 // VSSI - SSE1 instructions with XS prefix in AVX form.
482 // VPSI - SSE1 instructions with PS prefix in AVX form, packed single.
484 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
485 list<dag> pattern, InstrItinClass itin = NoItinerary>
486 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
487 class SSIi8<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>, XS, Requires<[UseSSE1]>;
490 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
491 list<dag> pattern, InstrItinClass itin = NoItinerary>
492 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, PS,
494 class PSIi8<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, SSEPackedSingle>, PS,
498 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
499 list<dag> pattern, InstrItinClass itin = NoItinerary>
500 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
502 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
503 list<dag> pattern, InstrItinClass itin = NoItinerary>
504 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, PS,
507 // SSE2 Instruction Templates:
509 // SDI - SSE2 instructions with XD prefix.
510 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
511 // S2SI - SSE2 instructions with XS prefix.
512 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
513 // PDI - SSE2 instructions with PD prefix, packed double domain.
514 // PDIi8 - SSE2 instructions with ImmT == Imm8 and PD prefix.
515 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
516 // VPDI - SSE2 vector instructions with PD prefix in AVX form,
517 // packed double domain.
518 // VS2I - SSE2 scalar instructions with PD prefix in AVX form.
519 // S2I - SSE2 scalar instructions with PD prefix.
520 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
522 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
525 class SDI<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>, XD, Requires<[UseSSE2]>;
528 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
529 list<dag> pattern, InstrItinClass itin = NoItinerary>
530 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
531 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
532 list<dag> pattern, InstrItinClass itin = NoItinerary>
533 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
534 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
535 list<dag> pattern, InstrItinClass itin = NoItinerary>
536 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
537 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
538 list<dag> pattern, InstrItinClass itin = NoItinerary>
539 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
541 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
542 list<dag> pattern, InstrItinClass itin = NoItinerary>
543 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
545 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
546 list<dag> pattern, InstrItinClass itin = NoItinerary>
547 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
549 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
550 list<dag> pattern, InstrItinClass itin = NoItinerary>
551 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
553 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
554 list<dag> pattern, InstrItinClass itin = NoItinerary>
555 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>,
556 PD, Requires<[HasAVX]>;
557 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
558 list<dag> pattern, InstrItinClass itin = NoItinerary>
559 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, PD,
561 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
562 list<dag> pattern, InstrItinClass itin = NoItinerary>
563 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[UseSSE2]>;
564 class MMXSDIi8<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>, XD, Requires<[HasSSE2]>;
567 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
568 list<dag> pattern, InstrItinClass itin = NoItinerary>
569 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
571 // SSE3 Instruction Templates:
573 // S3I - SSE3 instructions with PD prefixes.
574 // S3SI - SSE3 instructions with XS prefix.
575 // S3DI - SSE3 instructions with XD prefix.
577 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
578 list<dag> pattern, InstrItinClass itin = NoItinerary>
579 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
581 class S3DI<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, SSEPackedDouble>, XD,
585 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
586 list<dag> pattern, InstrItinClass itin = NoItinerary>
587 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
591 // SSSE3 Instruction Templates:
593 // SS38I - SSSE3 instructions with T8 prefix.
594 // SS3AI - SSSE3 instructions with TA prefix.
595 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
596 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
598 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
599 // uses the MMX registers. The 64-bit versions are grouped with the MMX
600 // classes. They need to be enabled even if AVX is enabled.
602 class SS38I<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,
605 Requires<[UseSSSE3]>;
606 class SS3AI<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,
609 Requires<[UseSSSE3]>;
610 class MMXSS38I<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>, T8PS,
613 Requires<[HasSSSE3]>;
614 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
615 list<dag> pattern, InstrItinClass itin = NoItinerary>
616 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPS,
617 Requires<[HasSSSE3]>;
619 // SSE4.1 Instruction Templates:
621 // SS48I - SSE 4.1 instructions with T8 prefix.
622 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
624 class SS48I<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<[UseSSE41]>;
628 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
629 list<dag> pattern, InstrItinClass itin = NoItinerary>
630 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
631 Requires<[UseSSE41]>;
633 // SSE4.2 Instruction Templates:
635 // SS428I - SSE 4.2 instructions with T8 prefix.
636 class SS428I<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>, T8PD,
639 Requires<[UseSSE42]>;
641 // SS42FI - SSE 4.2 instructions with T8XD prefix.
642 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
643 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
644 list<dag> pattern, InstrItinClass itin = NoItinerary>
645 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
647 // SS42AI = SSE 4.2 instructions with TA prefix
648 class SS42AI<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<[UseSSE42]>;
653 // AVX Instruction Templates:
654 // Instructions introduced in AVX (no SSE equivalent forms)
656 // AVX8I - AVX instructions with T8PD prefix.
657 // AVXAIi8 - AVX instructions with TAPD prefix and ImmT = Imm8.
658 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
659 list<dag> pattern, InstrItinClass itin = NoItinerary>
660 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
662 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
663 list<dag> pattern, InstrItinClass itin = NoItinerary>
664 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
667 // AVX2 Instruction Templates:
668 // Instructions introduced in AVX2 (no SSE equivalent forms)
670 // AVX28I - AVX2 instructions with T8PD prefix.
671 // AVX2AIi8 - AVX2 instructions with TAPD prefix and ImmT = Imm8.
672 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
673 list<dag> pattern, InstrItinClass itin = NoItinerary>
674 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
676 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
677 list<dag> pattern, InstrItinClass itin = NoItinerary>
678 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
682 // AVX-512 Instruction Templates:
683 // Instructions introduced in AVX-512 (no SSE equivalent forms)
685 // AVX5128I - AVX-512 instructions with T8PD prefix.
686 // AVX512AIi8 - AVX-512 instructions with TAPD prefix and ImmT = Imm8.
687 // AVX512PDI - AVX-512 instructions with PD, double packed.
688 // AVX512PSI - AVX-512 instructions with PS, single packed.
689 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
690 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
691 // AVX512BI - AVX-512 instructions with PD, int packed domain.
692 // AVX512SI - AVX-512 scalar instructions with PD prefix.
694 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
695 list<dag> pattern, InstrItinClass itin = NoItinerary>
696 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
697 Requires<[HasAVX512]>;
698 class AVX512XS8I<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, SSEPackedInt>, T8XS,
701 Requires<[HasAVX512]>;
702 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
703 list<dag> pattern, InstrItinClass itin = NoItinerary>
704 : I<o, F, outs, ins, asm, pattern, itin>, XS,
705 Requires<[HasAVX512]>;
706 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
707 list<dag> pattern, InstrItinClass itin = NoItinerary>
708 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
709 Requires<[HasAVX512]>;
710 class AVX512BI<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, SSEPackedInt>, PD,
713 Requires<[HasAVX512]>;
714 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
715 list<dag> pattern, InstrItinClass itin = NoItinerary>
716 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
717 Requires<[HasAVX512]>;
718 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
719 list<dag> pattern, InstrItinClass itin = NoItinerary>
720 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
721 Requires<[HasAVX512]>;
722 class AVX512Ii8<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>,
725 Requires<[HasAVX512]>;
726 class AVX512PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
727 list<dag> pattern, InstrItinClass itin = NoItinerary>
728 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
729 Requires<[HasAVX512]>;
730 class AVX512PSI<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, SSEPackedSingle>, PS,
733 Requires<[HasAVX512]>;
734 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
735 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
736 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
737 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
738 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
739 : I<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
740 class AVX512FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
741 list<dag>pattern, InstrItinClass itin = NoItinerary>
742 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
743 EVEX_4V, Requires<[HasAVX512]>;
745 // AES Instruction Templates:
748 // These use the same encoding as the SSE4.2 T8 and TA encodings.
749 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
750 list<dag>pattern, InstrItinClass itin = IIC_AES>
751 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
754 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
755 list<dag> pattern, InstrItinClass itin = NoItinerary>
756 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
759 // PCLMUL Instruction Templates
760 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
761 list<dag>pattern, InstrItinClass itin = NoItinerary>
762 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
763 Requires<[HasPCLMUL]>;
765 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
766 list<dag>pattern, InstrItinClass itin = NoItinerary>
767 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
768 VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
770 // FMA3 Instruction Templates
771 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
772 list<dag>pattern, InstrItinClass itin = NoItinerary>
773 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
774 VEX_4V, FMASC, Requires<[HasFMA]>;
776 // FMA4 Instruction Templates
777 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
778 list<dag>pattern, InstrItinClass itin = NoItinerary>
779 : Ii8<o, F, outs, ins, asm, pattern, itin>, TAPD,
780 VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
782 // XOP 2, 3 and 4 Operand Instruction Template
783 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
784 list<dag> pattern, InstrItinClass itin = NoItinerary>
785 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
786 XOP9, Requires<[HasXOP]>;
788 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
789 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
790 list<dag> pattern, InstrItinClass itin = NoItinerary>
791 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
792 XOP8, Requires<[HasXOP]>;
794 // XOP 5 operand instruction (VEX encoding!)
795 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
796 list<dag>pattern, InstrItinClass itin = NoItinerary>
797 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
798 VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
800 // X86-64 Instruction templates...
803 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
804 list<dag> pattern, InstrItinClass itin = NoItinerary>
805 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
806 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
807 list<dag> pattern, InstrItinClass itin = NoItinerary>
808 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
809 class RIi16 <bits<8> o, Format F, dag outs, dag ins, string asm,
810 list<dag> pattern, InstrItinClass itin = NoItinerary>
811 : Ii16<o, F, outs, ins, asm, pattern, itin>, REX_W;
812 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
813 list<dag> pattern, InstrItinClass itin = NoItinerary>
814 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
815 class RIi32S <bits<8> o, Format F, dag outs, dag ins, string asm,
816 list<dag> pattern, InstrItinClass itin = NoItinerary>
817 : Ii32S<o, F, outs, ins, asm, pattern, itin>, REX_W;
819 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
820 list<dag> pattern, InstrItinClass itin = NoItinerary>
821 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
822 let Pattern = pattern;
826 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
827 list<dag> pattern, InstrItinClass itin = NoItinerary>
828 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
829 let Pattern = pattern;
833 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
834 list<dag> pattern, InstrItinClass itin = NoItinerary>
835 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
836 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
837 list<dag> pattern, InstrItinClass itin = NoItinerary>
838 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
840 // MMX Instruction templates
843 // MMXI - MMX instructions with TB prefix.
844 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
845 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
846 // MMX2I - MMX / SSE2 instructions with PD prefix.
847 // MMXIi8 - MMX instructions with ImmT == Imm8 and PS prefix.
848 // MMXIi8 - MMX instructions with ImmT == Imm8 and PS prefix.
849 // MMXID - MMX instructions with XD prefix.
850 // MMXIS - MMX instructions with XS prefix.
851 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
852 list<dag> pattern, InstrItinClass itin = NoItinerary>
853 : I<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX]>;
854 class MMXI32<bits<8> o, Format F, dag outs, dag ins, string asm,
855 list<dag> pattern, InstrItinClass itin = NoItinerary>
856 : I<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX,Not64BitMode]>;
857 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
858 list<dag> pattern, InstrItinClass itin = NoItinerary>
859 : I<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX,In64BitMode]>;
860 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
861 list<dag> pattern, InstrItinClass itin = NoItinerary>
862 : I<o, F, outs, ins, asm, pattern, itin>, PS, REX_W, Requires<[HasMMX]>;
863 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
864 list<dag> pattern, InstrItinClass itin = NoItinerary>
865 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[HasMMX]>;
866 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
867 list<dag> pattern, InstrItinClass itin = NoItinerary>
868 : Ii8<o, F, outs, ins, asm, pattern, itin>, PS, Requires<[HasMMX]>;
869 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
870 list<dag> pattern, InstrItinClass itin = NoItinerary>
871 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
872 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
873 list<dag> pattern, InstrItinClass itin = NoItinerary>
874 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;