1 //===- ARMInstrFormats.td - ARM 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 //===----------------------------------------------------------------------===//
12 // ARM Instruction Format Definitions.
15 // Format specifies the encoding used by the instruction. This is part of the
16 // ad-hoc solution used to emit machine instruction encodings by our machine
18 class Format<bits<6> val> {
22 def Pseudo : Format<0>;
23 def MulFrm : Format<1>;
24 def BrFrm : Format<2>;
25 def BrMiscFrm : Format<3>;
27 def DPFrm : Format<4>;
28 def DPSoRegFrm : Format<5>;
30 def LdFrm : Format<6>;
31 def StFrm : Format<7>;
32 def LdMiscFrm : Format<8>;
33 def StMiscFrm : Format<9>;
34 def LdStMulFrm : Format<10>;
36 def LdStExFrm : Format<11>;
38 def ArithMiscFrm : Format<12>;
39 def SatFrm : Format<13>;
40 def ExtFrm : Format<14>;
42 def VFPUnaryFrm : Format<15>;
43 def VFPBinaryFrm : Format<16>;
44 def VFPConv1Frm : Format<17>;
45 def VFPConv2Frm : Format<18>;
46 def VFPConv3Frm : Format<19>;
47 def VFPConv4Frm : Format<20>;
48 def VFPConv5Frm : Format<21>;
49 def VFPLdStFrm : Format<22>;
50 def VFPLdStMulFrm : Format<23>;
51 def VFPMiscFrm : Format<24>;
53 def ThumbFrm : Format<25>;
54 def MiscFrm : Format<26>;
56 def NGetLnFrm : Format<27>;
57 def NSetLnFrm : Format<28>;
58 def NDupFrm : Format<29>;
59 def NLdStFrm : Format<30>;
60 def N1RegModImmFrm: Format<31>;
61 def N2RegFrm : Format<32>;
62 def NVCVTFrm : Format<33>;
63 def NVDupLnFrm : Format<34>;
64 def N2RegVShLFrm : Format<35>;
65 def N2RegVShRFrm : Format<36>;
66 def N3RegFrm : Format<37>;
67 def N3RegVShFrm : Format<38>;
68 def NVExtFrm : Format<39>;
69 def NVMulSLFrm : Format<40>;
70 def NVTBLFrm : Format<41>;
74 // the instruction has a Rn register operand.
75 // UnaryDP - Indicates this is a unary data processing instruction, i.e.
76 // it doesn't have a Rn operand.
77 class UnaryDP { bit isUnaryDataProc = 1; }
79 // Xform16Bit - Indicates this Thumb2 instruction may be transformed into
80 // a 16-bit Thumb instruction if certain conditions are met.
81 class Xform16Bit { bit canXformTo16Bit = 1; }
83 //===----------------------------------------------------------------------===//
84 // ARM Instruction flags. These need to match ARMBaseInstrInfo.h.
88 class AddrMode<bits<5> val> {
91 def AddrModeNone : AddrMode<0>;
92 def AddrMode1 : AddrMode<1>;
93 def AddrMode2 : AddrMode<2>;
94 def AddrMode3 : AddrMode<3>;
95 def AddrMode4 : AddrMode<4>;
96 def AddrMode5 : AddrMode<5>;
97 def AddrMode6 : AddrMode<6>;
98 def AddrModeT1_1 : AddrMode<7>;
99 def AddrModeT1_2 : AddrMode<8>;
100 def AddrModeT1_4 : AddrMode<9>;
101 def AddrModeT1_s : AddrMode<10>;
102 def AddrModeT2_i12 : AddrMode<11>;
103 def AddrModeT2_i8 : AddrMode<12>;
104 def AddrModeT2_so : AddrMode<13>;
105 def AddrModeT2_pc : AddrMode<14>;
106 def AddrModeT2_i8s4 : AddrMode<15>;
107 def AddrMode_i12 : AddrMode<16>;
110 class SizeFlagVal<bits<3> val> {
113 def SizeInvalid : SizeFlagVal<0>; // Unset.
114 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
115 def Size8Bytes : SizeFlagVal<2>;
116 def Size4Bytes : SizeFlagVal<3>;
117 def Size2Bytes : SizeFlagVal<4>;
119 // Load / store index mode.
120 class IndexMode<bits<2> val> {
123 def IndexModeNone : IndexMode<0>;
124 def IndexModePre : IndexMode<1>;
125 def IndexModePost : IndexMode<2>;
126 def IndexModeUpd : IndexMode<3>;
128 // Instruction execution domain.
129 class Domain<bits<2> val> {
132 def GenericDomain : Domain<0>;
133 def VFPDomain : Domain<1>; // Instructions in VFP domain only
134 def NeonDomain : Domain<2>; // Instructions in Neon domain only
135 def VFPNeonDomain : Domain<3>; // Instructions in both VFP & Neon domains
137 //===----------------------------------------------------------------------===//
139 // ARM special operands.
142 def CondCodeOperand : AsmOperandClass {
143 let Name = "CondCode";
144 let SuperClasses = [];
147 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
148 // register whose default is 0 (no register).
149 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
150 (ops (i32 14), (i32 zero_reg))> {
151 let PrintMethod = "printPredicateOperand";
152 let ParserMatchClass = CondCodeOperand;
155 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
156 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
157 string EncoderMethod = "getCCOutOpValue";
158 let PrintMethod = "printSBitModifierOperand";
161 // Same as cc_out except it defaults to setting CPSR.
162 def s_cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 CPSR))> {
163 string EncoderMethod = "getCCOutOpValue";
164 let PrintMethod = "printSBitModifierOperand";
167 // ARM special operands for disassembly only.
169 def setend_op : Operand<i32> {
170 let PrintMethod = "printSetendOperand";
173 def cps_opt : Operand<i32> {
174 let PrintMethod = "printCPSOptionOperand";
177 def msr_mask : Operand<i32> {
178 let PrintMethod = "printMSRMaskOperand";
181 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
182 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
183 def neg_zero : Operand<i32> {
184 let PrintMethod = "printNegZeroOperand";
187 //===----------------------------------------------------------------------===//
189 // ARM Instruction templates.
192 class InstTemplate<AddrMode am, SizeFlagVal sz, IndexMode im,
193 Format f, Domain d, string cstr, InstrItinClass itin>
195 let Namespace = "ARM";
200 bits<2> IndexModeBits = IM.Value;
202 bits<6> Form = F.Value;
204 bit isUnaryDataProc = 0;
205 bit canXformTo16Bit = 0;
207 // If this is a pseudo instruction, mark it isCodeGenOnly.
208 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
210 // The layout of TSFlags should be kept in sync with ARMBaseInstrInfo.h.
211 let TSFlags{4-0} = AM.Value;
212 let TSFlags{7-5} = SZ.Value;
213 let TSFlags{9-8} = IndexModeBits;
214 let TSFlags{15-10} = Form;
215 let TSFlags{16} = isUnaryDataProc;
216 let TSFlags{17} = canXformTo16Bit;
217 let TSFlags{19-18} = D.Value;
219 let Constraints = cstr;
220 let Itinerary = itin;
227 class InstARM<AddrMode am, SizeFlagVal sz, IndexMode im,
228 Format f, Domain d, string cstr, InstrItinClass itin>
229 : InstTemplate<am, sz, im, f, d, cstr, itin>, Encoding;
231 // This Encoding-less class is used by Thumb1 to specify the encoding bits later
232 // on by adding flavors to specific instructions.
233 class InstThumb<AddrMode am, SizeFlagVal sz, IndexMode im,
234 Format f, Domain d, string cstr, InstrItinClass itin>
235 : InstTemplate<am, sz, im, f, d, cstr, itin>;
237 class PseudoInst<dag oops, dag iops, InstrItinClass itin,
238 string asm, list<dag> pattern>
239 : InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
241 let OutOperandList = oops;
242 let InOperandList = iops;
244 let Pattern = pattern;
247 // Almost all ARM instructions are predicable.
248 class I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
249 IndexMode im, Format f, InstrItinClass itin,
250 string opc, string asm, string cstr,
252 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
255 let OutOperandList = oops;
256 let InOperandList = !con(iops, (ins pred:$p));
257 let AsmString = !strconcat(opc, "${p}", asm);
258 let Pattern = pattern;
259 list<Predicate> Predicates = [IsARM];
262 // A few are not predicable
263 class InoP<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
264 IndexMode im, Format f, InstrItinClass itin,
265 string opc, string asm, string cstr,
267 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
268 let OutOperandList = oops;
269 let InOperandList = iops;
270 let AsmString = !strconcat(opc, asm);
271 let Pattern = pattern;
272 let isPredicable = 0;
273 list<Predicate> Predicates = [IsARM];
276 // Same as I except it can optionally modify CPSR. Note it's modeled as an input
277 // operand since by default it's a zero register. It will become an implicit def
278 // once it's "flipped".
279 class sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
280 IndexMode im, Format f, InstrItinClass itin,
281 string opc, string asm, string cstr,
283 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
284 bits<4> p; // Predicate operand
285 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
289 let OutOperandList = oops;
290 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
291 let AsmString = !strconcat(opc, "${s}${p}", asm);
292 let Pattern = pattern;
293 list<Predicate> Predicates = [IsARM];
297 class XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
298 IndexMode im, Format f, InstrItinClass itin,
299 string asm, string cstr, list<dag> pattern>
300 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
301 let OutOperandList = oops;
302 let InOperandList = iops;
304 let Pattern = pattern;
305 list<Predicate> Predicates = [IsARM];
308 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
309 string opc, string asm, list<dag> pattern>
310 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
311 opc, asm, "", pattern>;
312 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
313 string opc, string asm, list<dag> pattern>
314 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
315 opc, asm, "", pattern>;
316 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
317 string asm, list<dag> pattern>
318 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
320 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
321 string opc, string asm, list<dag> pattern>
322 : InoP<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
323 opc, asm, "", pattern>;
325 // Ctrl flow instructions
326 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
327 string opc, string asm, list<dag> pattern>
328 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
329 opc, asm, "", pattern> {
330 let Inst{27-24} = opcod;
332 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
333 string asm, list<dag> pattern>
334 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
336 let Inst{27-24} = opcod;
338 class ABXIx2<dag oops, dag iops, InstrItinClass itin,
339 string asm, list<dag> pattern>
340 : XI<oops, iops, AddrModeNone, Size8Bytes, IndexModeNone, Pseudo, itin,
343 // BR_JT instructions
344 class JTI<dag oops, dag iops, InstrItinClass itin,
345 string asm, list<dag> pattern>
346 : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin,
349 // Atomic load/store instructions
350 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
351 string opc, string asm, list<dag> pattern>
352 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
353 opc, asm, "", pattern> {
356 let Inst{27-23} = 0b00011;
357 let Inst{22-21} = opcod;
359 let Inst{19-16} = Rn;
360 let Inst{15-12} = Rt;
361 let Inst{11-0} = 0b111110011111;
363 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
364 string opc, string asm, list<dag> pattern>
365 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
366 opc, asm, "", pattern> {
370 let Inst{27-23} = 0b00011;
371 let Inst{22-21} = opcod;
373 let Inst{19-16} = Rn;
374 let Inst{15-12} = Rd;
375 let Inst{11-4} = 0b11111001;
378 class AIswp<bit b, dag oops, dag iops, string opc, list<dag> pattern>
379 : AI<oops, iops, MiscFrm, NoItinerary, opc, "\t$Rt, $Rt2, [$Rn]", pattern> {
383 let Inst{27-23} = 0b00010;
385 let Inst{21-20} = 0b00;
386 let Inst{19-16} = Rn;
387 let Inst{15-12} = Rt;
388 let Inst{11-4} = 0b00001001;
392 // addrmode1 instructions
393 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
394 string opc, string asm, list<dag> pattern>
395 : I<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
396 opc, asm, "", pattern> {
397 let Inst{24-21} = opcod;
398 let Inst{27-26} = 0b00;
400 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
401 string opc, string asm, list<dag> pattern>
402 : sI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
403 opc, asm, "", pattern> {
404 let Inst{24-21} = opcod;
405 let Inst{27-26} = 0b00;
407 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
408 string asm, list<dag> pattern>
409 : XI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
411 let Inst{24-21} = opcod;
412 let Inst{27-26} = 0b00;
414 class AI1x2<dag oops, dag iops, Format f, InstrItinClass itin,
415 string opc, string asm, list<dag> pattern>
416 : I<oops, iops, AddrMode1, Size8Bytes, IndexModeNone, f, itin,
417 opc, asm, "", pattern>;
420 // addrmode2 loads and stores
421 class AI2<dag oops, dag iops, Format f, InstrItinClass itin,
422 string opc, string asm, list<dag> pattern>
423 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
424 opc, asm, "", pattern> {
425 let Inst{27-26} = 0b01;
431 class AIldst1<bits<3> op, bit opc22, bit isLd, dag oops, dag iops, AddrMode am,
432 Format f, InstrItinClass itin, string opc, string asm,
434 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
436 let Inst{27-25} = op;
437 let Inst{24} = 1; // 24 == P
439 let Inst{22} = opc22;
440 let Inst{21} = 0; // 21 == W
443 // LDRH/LDRSB/LDRSH/LDRD
444 class AIldr2<bits<4> op, bit opc22, bit opc20, dag oops, dag iops, AddrMode am,
445 Format f, InstrItinClass itin, string opc, string asm,
447 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
449 let Inst{27-25} = 0b000;
450 let Inst{24} = 1; // 24 == P
452 let Inst{22} = opc22;
453 let Inst{21} = 0; // 21 == W
454 let Inst{20} = opc20;
462 class AI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
463 string opc, string asm, list<dag> pattern>
464 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
465 opc, asm, "", pattern> {
466 let Inst{20} = 1; // L bit
467 let Inst{21} = 0; // W bit
468 let Inst{22} = 0; // B bit
469 let Inst{24} = 1; // P bit
470 let Inst{27-26} = 0b01;
472 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
473 string asm, list<dag> pattern>
474 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
476 let Inst{20} = 1; // L bit
477 let Inst{21} = 0; // W bit
478 let Inst{22} = 0; // B bit
479 let Inst{24} = 1; // P bit
480 let Inst{27-26} = 0b01;
482 class AI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
483 string opc, string asm, list<dag> pattern>
484 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
485 opc, asm, "", pattern> {
486 let Inst{20} = 1; // L bit
487 let Inst{21} = 0; // W bit
488 let Inst{22} = 1; // B bit
489 let Inst{24} = 1; // P bit
490 let Inst{27-26} = 0b01;
492 class AXI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
493 string asm, list<dag> pattern>
494 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
496 let Inst{20} = 1; // L bit
497 let Inst{21} = 0; // W bit
498 let Inst{22} = 1; // B bit
499 let Inst{24} = 1; // P bit
500 let Inst{27-26} = 0b01;
504 class AI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
505 string opc, string asm, list<dag> pattern>
506 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
507 opc, asm, "", pattern> {
508 let Inst{20} = 0; // L bit
509 let Inst{21} = 0; // W bit
510 let Inst{22} = 0; // B bit
511 let Inst{24} = 1; // P bit
512 let Inst{27-26} = 0b01;
514 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
515 string asm, list<dag> pattern>
516 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
518 let Inst{20} = 0; // L bit
519 let Inst{21} = 0; // W bit
520 let Inst{22} = 0; // B bit
521 let Inst{24} = 1; // P bit
522 let Inst{27-26} = 0b01;
524 class AI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
525 string opc, string asm, list<dag> pattern>
526 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
527 opc, asm, "", pattern> {
528 let Inst{20} = 0; // L bit
529 let Inst{21} = 0; // W bit
530 let Inst{22} = 1; // B bit
531 let Inst{24} = 1; // P bit
532 let Inst{27-26} = 0b01;
534 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
535 string asm, list<dag> pattern>
536 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
538 let Inst{20} = 0; // L bit
539 let Inst{21} = 0; // W bit
540 let Inst{22} = 1; // B bit
541 let Inst{24} = 1; // P bit
542 let Inst{27-26} = 0b01;
546 class AI2ldwpr<dag oops, dag iops, Format f, InstrItinClass itin,
547 string opc, string asm, string cstr, list<dag> pattern>
548 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
549 opc, asm, cstr, pattern> {
550 let Inst{20} = 1; // L bit
551 let Inst{21} = 1; // W bit
552 let Inst{22} = 0; // B bit
553 let Inst{24} = 1; // P bit
554 let Inst{27-26} = 0b01;
556 class AI2ldbpr<dag oops, dag iops, Format f, InstrItinClass itin,
557 string opc, string asm, string cstr, list<dag> pattern>
558 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
559 opc, asm, cstr, pattern> {
560 let Inst{20} = 1; // L bit
561 let Inst{21} = 1; // W bit
562 let Inst{22} = 1; // B bit
563 let Inst{24} = 1; // P bit
564 let Inst{27-26} = 0b01;
567 // Pre-indexed stores
568 class AI2stwpr<dag oops, dag iops, Format f, InstrItinClass itin,
569 string opc, string asm, string cstr, list<dag> pattern>
570 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
571 opc, asm, cstr, pattern> {
572 let Inst{20} = 0; // L bit
573 let Inst{21} = 1; // W bit
574 let Inst{22} = 0; // B bit
575 let Inst{24} = 1; // P bit
576 let Inst{27-26} = 0b01;
578 class AI2stbpr<dag oops, dag iops, Format f, InstrItinClass itin,
579 string opc, string asm, string cstr, list<dag> pattern>
580 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
581 opc, asm, cstr, pattern> {
582 let Inst{20} = 0; // L bit
583 let Inst{21} = 1; // W bit
584 let Inst{22} = 1; // B bit
585 let Inst{24} = 1; // P bit
586 let Inst{27-26} = 0b01;
589 // Post-indexed loads
590 class AI2ldwpo<dag oops, dag iops, Format f, InstrItinClass itin,
591 string opc, string asm, string cstr, list<dag> pattern>
592 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
593 opc, asm, cstr,pattern> {
594 let Inst{20} = 1; // L bit
595 let Inst{21} = 0; // W bit
596 let Inst{22} = 0; // B bit
597 let Inst{24} = 0; // P bit
598 let Inst{27-26} = 0b01;
600 class AI2ldbpo<dag oops, dag iops, Format f, InstrItinClass itin,
601 string opc, string asm, string cstr, list<dag> pattern>
602 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
603 opc, asm, cstr,pattern> {
604 let Inst{20} = 1; // L bit
605 let Inst{21} = 0; // W bit
606 let Inst{22} = 1; // B bit
607 let Inst{24} = 0; // P bit
608 let Inst{27-26} = 0b01;
611 // Post-indexed stores
612 class AI2stwpo<dag oops, dag iops, Format f, InstrItinClass itin,
613 string opc, string asm, string cstr, list<dag> pattern>
614 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
615 opc, asm, cstr,pattern> {
616 let Inst{20} = 0; // L bit
617 let Inst{21} = 0; // W bit
618 let Inst{22} = 0; // B bit
619 let Inst{24} = 0; // P bit
620 let Inst{27-26} = 0b01;
622 class AI2stbpo<dag oops, dag iops, Format f, InstrItinClass itin,
623 string opc, string asm, string cstr, list<dag> pattern>
624 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
625 opc, asm, cstr,pattern> {
626 let Inst{20} = 0; // L bit
627 let Inst{21} = 0; // W bit
628 let Inst{22} = 1; // B bit
629 let Inst{24} = 0; // P bit
630 let Inst{27-26} = 0b01;
633 // addrmode3 instructions
634 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
635 string opc, string asm, list<dag> pattern>
636 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
637 opc, asm, "", pattern>;
638 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
639 string asm, list<dag> pattern>
640 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
644 class AI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
645 string opc, string asm, list<dag> pattern>
646 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
647 opc, asm, "", pattern> {
649 let Inst{5} = 1; // H bit
650 let Inst{6} = 0; // S bit
652 let Inst{20} = 1; // L bit
653 let Inst{21} = 0; // W bit
654 let Inst{24} = 1; // P bit
655 let Inst{27-25} = 0b000;
657 class AXI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
658 string asm, list<dag> pattern>
659 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
662 let Inst{5} = 1; // H bit
663 let Inst{6} = 0; // S bit
665 let Inst{20} = 1; // L bit
666 let Inst{21} = 0; // W bit
667 let Inst{24} = 1; // P bit
669 class AI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
670 string opc, string asm, list<dag> pattern>
671 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
672 opc, asm, "", pattern> {
674 let Inst{5} = 1; // H bit
675 let Inst{6} = 1; // S bit
677 let Inst{20} = 1; // L bit
678 let Inst{21} = 0; // W bit
679 let Inst{24} = 1; // P bit
680 let Inst{27-25} = 0b000;
682 class AXI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
683 string asm, list<dag> pattern>
684 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
687 let Inst{5} = 1; // H bit
688 let Inst{6} = 1; // S bit
690 let Inst{20} = 1; // L bit
691 let Inst{21} = 0; // W bit
692 let Inst{24} = 1; // P bit
694 class AI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
695 string opc, string asm, list<dag> pattern>
696 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
697 opc, asm, "", pattern> {
699 let Inst{5} = 0; // H bit
700 let Inst{6} = 1; // S bit
702 let Inst{20} = 1; // L bit
703 let Inst{21} = 0; // W bit
704 let Inst{24} = 1; // P bit
705 let Inst{27-25} = 0b000;
707 class AXI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
708 string asm, list<dag> pattern>
709 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
712 let Inst{5} = 0; // H bit
713 let Inst{6} = 1; // S bit
715 let Inst{20} = 1; // L bit
716 let Inst{21} = 0; // W bit
717 let Inst{24} = 1; // P bit
719 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
720 string opc, string asm, list<dag> pattern>
721 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
722 opc, asm, "", pattern> {
724 let Inst{5} = 0; // H bit
725 let Inst{6} = 1; // S bit
727 let Inst{20} = 0; // L bit
728 let Inst{21} = 0; // W bit
729 let Inst{24} = 1; // P bit
730 let Inst{27-25} = 0b000;
734 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
735 string opc, string asm, list<dag> pattern>
736 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
737 opc, asm, "", pattern> {
740 let Inst{27-25} = 0b000;
741 let Inst{24} = 1; // P bit
742 let Inst{23} = addr{8}; // U bit
743 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
744 let Inst{21} = 0; // W bit
745 let Inst{20} = 0; // L bit
746 let Inst{19-16} = addr{12-9}; // Rn
747 let Inst{15-12} = Rt; // Rt
748 let Inst{11-8} = addr{7-4}; // imm7_4/zero
749 let Inst{7-4} = 0b1011;
750 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
752 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
753 string asm, list<dag> pattern>
754 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
757 let Inst{5} = 1; // H bit
758 let Inst{6} = 0; // S bit
760 let Inst{20} = 0; // L bit
761 let Inst{21} = 0; // W bit
762 let Inst{24} = 1; // P bit
764 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
765 string opc, string asm, list<dag> pattern>
766 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
767 opc, asm, "", pattern> {
769 let Inst{5} = 1; // H bit
770 let Inst{6} = 1; // S bit
772 let Inst{20} = 0; // L bit
773 let Inst{21} = 0; // W bit
774 let Inst{24} = 1; // P bit
775 let Inst{27-25} = 0b000;
779 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
780 string opc, string asm, string cstr, list<dag> pattern>
781 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
782 opc, asm, cstr, pattern> {
784 let Inst{5} = 1; // H bit
785 let Inst{6} = 0; // S bit
787 let Inst{20} = 1; // L bit
788 let Inst{21} = 1; // W bit
789 let Inst{24} = 1; // P bit
790 let Inst{27-25} = 0b000;
792 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
793 string opc, string asm, string cstr, list<dag> pattern>
794 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
795 opc, asm, cstr, pattern> {
797 let Inst{5} = 1; // H bit
798 let Inst{6} = 1; // S bit
800 let Inst{20} = 1; // L bit
801 let Inst{21} = 1; // W bit
802 let Inst{24} = 1; // P bit
803 let Inst{27-25} = 0b000;
805 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
806 string opc, string asm, string cstr, list<dag> pattern>
807 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
808 opc, asm, cstr, pattern> {
810 let Inst{5} = 0; // H bit
811 let Inst{6} = 1; // S bit
813 let Inst{20} = 1; // L bit
814 let Inst{21} = 1; // W bit
815 let Inst{24} = 1; // P bit
816 let Inst{27-25} = 0b000;
818 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
819 string opc, string asm, string cstr, list<dag> pattern>
820 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
821 opc, asm, cstr, pattern> {
823 let Inst{5} = 0; // H bit
824 let Inst{6} = 1; // S bit
826 let Inst{20} = 0; // L bit
827 let Inst{21} = 1; // W bit
828 let Inst{24} = 1; // P bit
829 let Inst{27-25} = 0b000;
833 // Pre-indexed stores
834 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
835 string opc, string asm, string cstr, list<dag> pattern>
836 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
837 opc, asm, cstr, pattern> {
839 let Inst{5} = 1; // H bit
840 let Inst{6} = 0; // S bit
842 let Inst{20} = 0; // L bit
843 let Inst{21} = 1; // W bit
844 let Inst{24} = 1; // P bit
845 let Inst{27-25} = 0b000;
847 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
848 string opc, string asm, string cstr, list<dag> pattern>
849 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
850 opc, asm, cstr, pattern> {
852 let Inst{5} = 1; // H bit
853 let Inst{6} = 1; // S bit
855 let Inst{20} = 0; // L bit
856 let Inst{21} = 1; // W bit
857 let Inst{24} = 1; // P bit
858 let Inst{27-25} = 0b000;
861 // Post-indexed loads
862 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
863 string opc, string asm, string cstr, list<dag> pattern>
864 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
865 opc, asm, cstr,pattern> {
867 let Inst{5} = 1; // H bit
868 let Inst{6} = 0; // S bit
870 let Inst{20} = 1; // L bit
871 let Inst{21} = 0; // W bit
872 let Inst{24} = 0; // P bit
873 let Inst{27-25} = 0b000;
875 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
876 string opc, string asm, string cstr, list<dag> pattern>
877 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
878 opc, asm, cstr,pattern> {
880 let Inst{5} = 1; // H bit
881 let Inst{6} = 1; // S bit
883 let Inst{20} = 1; // L bit
884 let Inst{21} = 0; // W bit
885 let Inst{24} = 0; // P bit
886 let Inst{27-25} = 0b000;
888 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
889 string opc, string asm, string cstr, list<dag> pattern>
890 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
891 opc, asm, cstr,pattern> {
893 let Inst{5} = 0; // H bit
894 let Inst{6} = 1; // S bit
896 let Inst{20} = 1; // L bit
897 let Inst{21} = 0; // W bit
898 let Inst{24} = 0; // P bit
899 let Inst{27-25} = 0b000;
901 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
902 string opc, string asm, string cstr, list<dag> pattern>
903 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
904 opc, asm, cstr, pattern> {
906 let Inst{5} = 0; // H bit
907 let Inst{6} = 1; // S bit
909 let Inst{20} = 0; // L bit
910 let Inst{21} = 0; // W bit
911 let Inst{24} = 0; // P bit
912 let Inst{27-25} = 0b000;
915 // Post-indexed stores
916 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
917 string opc, string asm, string cstr, list<dag> pattern>
918 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
919 opc, asm, cstr,pattern> {
921 let Inst{5} = 1; // H bit
922 let Inst{6} = 0; // S bit
924 let Inst{20} = 0; // L bit
925 let Inst{21} = 0; // W bit
926 let Inst{24} = 0; // P bit
927 let Inst{27-25} = 0b000;
929 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
930 string opc, string asm, string cstr, list<dag> pattern>
931 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
932 opc, asm, cstr, pattern> {
934 let Inst{5} = 1; // H bit
935 let Inst{6} = 1; // S bit
937 let Inst{20} = 0; // L bit
938 let Inst{21} = 0; // W bit
939 let Inst{24} = 0; // P bit
940 let Inst{27-25} = 0b000;
943 // addrmode4 instructions
944 class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
945 string asm, string cstr, list<dag> pattern>
946 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
947 asm, cstr, pattern> {
953 let Inst{27-25} = 0b100;
954 let Inst{24-23} = amode;
955 let Inst{22} = 0; // S bit
956 let Inst{20} = 1; // L bit
957 let Inst{19-16} = Rn;
958 let Inst{15-0} = dsts;
960 class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
961 string asm, string cstr, list<dag> pattern>
962 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
963 asm, cstr, pattern> {
969 let Inst{27-25} = 0b100;
970 let Inst{24-23} = amode;
971 let Inst{22} = 0; // S bit
972 let Inst{20} = 0; // L bit
973 let Inst{19-16} = Rn;
974 let Inst{15-0} = srcs;
977 // Unsigned multiply, multiply-accumulate instructions.
978 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
979 string opc, string asm, list<dag> pattern>
980 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
981 opc, asm, "", pattern> {
982 let Inst{7-4} = 0b1001;
983 let Inst{20} = 0; // S bit
984 let Inst{27-21} = opcod;
986 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
987 string opc, string asm, list<dag> pattern>
988 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
989 opc, asm, "", pattern> {
990 let Inst{7-4} = 0b1001;
991 let Inst{27-21} = opcod;
994 // Most significant word multiply
995 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
996 InstrItinClass itin, string opc, string asm, list<dag> pattern>
997 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
998 opc, asm, "", pattern> {
1002 let Inst{7-4} = opc7_4;
1004 let Inst{27-21} = opcod;
1005 let Inst{19-16} = Rd;
1006 let Inst{11-8} = Rm;
1009 // MSW multiple w/ Ra operand
1010 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
1011 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1012 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
1014 let Inst{15-12} = Ra;
1017 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
1018 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1019 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1020 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
1021 opc, asm, "", pattern> {
1027 let Inst{27-21} = opcod;
1028 let Inst{6-5} = bit6_5;
1029 let Inst{11-8} = Rm;
1032 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1033 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1034 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1036 let Inst{19-16} = Rd;
1039 // AMulxyI with Ra operand
1040 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1041 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1042 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1044 let Inst{15-12} = Ra;
1047 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1048 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1049 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1052 let Inst{19-16} = RdHi;
1053 let Inst{15-12} = RdLo;
1056 // Extend instructions.
1057 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
1058 string opc, string asm, list<dag> pattern>
1059 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
1060 opc, asm, "", pattern> {
1061 // All AExtI instructions have Rd and Rm register operands.
1064 let Inst{15-12} = Rd;
1066 let Inst{7-4} = 0b0111;
1067 let Inst{9-8} = 0b00;
1068 let Inst{27-20} = opcod;
1071 // Misc Arithmetic instructions.
1072 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
1073 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1074 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1075 opc, asm, "", pattern> {
1078 let Inst{27-20} = opcod;
1079 let Inst{19-16} = 0b1111;
1080 let Inst{15-12} = Rd;
1081 let Inst{11-8} = 0b1111;
1082 let Inst{7-4} = opc7_4;
1087 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
1088 string opc, string asm, list<dag> pattern>
1089 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1090 opc, asm, "", pattern> {
1095 let Inst{27-20} = opcod;
1096 let Inst{19-16} = Rn;
1097 let Inst{15-12} = Rd;
1098 let Inst{11-7} = sh{7-3};
1100 let Inst{5-4} = 0b01;
1104 //===----------------------------------------------------------------------===//
1106 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
1107 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
1108 list<Predicate> Predicates = [IsARM];
1110 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
1111 list<Predicate> Predicates = [IsARM, HasV5TE];
1113 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
1114 list<Predicate> Predicates = [IsARM, HasV6];
1117 //===----------------------------------------------------------------------===//
1119 // Thumb Instruction Format Definitions.
1122 // TI - Thumb instruction.
1124 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1125 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1126 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1127 let OutOperandList = oops;
1128 let InOperandList = iops;
1129 let AsmString = asm;
1130 let Pattern = pattern;
1131 list<Predicate> Predicates = [IsThumb];
1134 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
1135 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1137 // Two-address instructions
1138 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
1140 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
1143 // tBL, tBX 32-bit instructions
1144 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
1145 dag oops, dag iops, InstrItinClass itin, string asm,
1147 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
1149 let Inst{31-27} = opcod1;
1150 let Inst{15-14} = opcod2;
1151 let Inst{12} = opcod3;
1154 // BR_JT instructions
1155 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
1157 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1160 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1161 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1162 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1163 let OutOperandList = oops;
1164 let InOperandList = iops;
1165 let AsmString = asm;
1166 let Pattern = pattern;
1167 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1170 class T1I<dag oops, dag iops, InstrItinClass itin,
1171 string asm, list<dag> pattern>
1172 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1173 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
1174 string asm, list<dag> pattern>
1175 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1176 class T1JTI<dag oops, dag iops, InstrItinClass itin,
1177 string asm, list<dag> pattern>
1178 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1180 // Two-address instructions
1181 class T1It<dag oops, dag iops, InstrItinClass itin,
1182 string asm, string cstr, list<dag> pattern>
1183 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1184 asm, cstr, pattern>;
1186 // Thumb1 instruction that can either be predicated or set CPSR.
1187 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1188 InstrItinClass itin,
1189 string opc, string asm, string cstr, list<dag> pattern>
1190 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1191 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1192 let InOperandList = !con(iops, (ins pred:$p));
1193 let AsmString = !strconcat(opc, "${s}${p}", asm);
1194 let Pattern = pattern;
1195 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1198 class T1sI<dag oops, dag iops, InstrItinClass itin,
1199 string opc, string asm, list<dag> pattern>
1200 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1202 // Two-address instructions
1203 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1204 string opc, string asm, list<dag> pattern>
1205 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1206 "$lhs = $dst", pattern>;
1208 // Thumb1 instruction that can be predicated.
1209 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1210 InstrItinClass itin,
1211 string opc, string asm, string cstr, list<dag> pattern>
1212 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1213 let OutOperandList = oops;
1214 let InOperandList = !con(iops, (ins pred:$p));
1215 let AsmString = !strconcat(opc, "${p}", asm);
1216 let Pattern = pattern;
1217 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1220 class T1pI<dag oops, dag iops, InstrItinClass itin,
1221 string opc, string asm, list<dag> pattern>
1222 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1224 // Two-address instructions
1225 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1226 string opc, string asm, list<dag> pattern>
1227 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1228 "$lhs = $dst", pattern>;
1230 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1231 string opc, string asm, list<dag> pattern>
1232 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1233 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1234 string opc, string asm, list<dag> pattern>
1235 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1236 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1237 string opc, string asm, list<dag> pattern>
1238 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1239 class T1pIs<dag oops, dag iops,
1240 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1241 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1243 class Encoding16 : Encoding {
1244 let Inst{31-16} = 0x0000;
1247 // A6.2 16-bit Thumb instruction encoding
1248 class T1Encoding<bits<6> opcode> : Encoding16 {
1249 let Inst{15-10} = opcode;
1252 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1253 class T1General<bits<5> opcode> : Encoding16 {
1254 let Inst{15-14} = 0b00;
1255 let Inst{13-9} = opcode;
1258 // A6.2.2 Data-processing encoding.
1259 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1260 let Inst{15-10} = 0b010000;
1261 let Inst{9-6} = opcode;
1264 // A6.2.3 Special data instructions and branch and exchange encoding.
1265 class T1Special<bits<4> opcode> : Encoding16 {
1266 let Inst{15-10} = 0b010001;
1267 let Inst{9-6} = opcode;
1270 // A6.2.4 Load/store single data item encoding.
1271 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1272 let Inst{15-12} = opA;
1273 let Inst{11-9} = opB;
1275 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1276 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1277 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1278 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1279 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1281 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1282 class T1Misc<bits<7> opcode> : Encoding16 {
1283 let Inst{15-12} = 0b1011;
1284 let Inst{11-5} = opcode;
1287 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1288 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1289 InstrItinClass itin,
1290 string opc, string asm, string cstr, list<dag> pattern>
1291 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1292 let OutOperandList = oops;
1293 let InOperandList = !con(iops, (ins pred:$p));
1294 let AsmString = !strconcat(opc, "${p}", asm);
1295 let Pattern = pattern;
1296 list<Predicate> Predicates = [IsThumb2];
1299 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1300 // input operand since by default it's a zero register. It will become an
1301 // implicit def once it's "flipped".
1303 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1305 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1306 InstrItinClass itin,
1307 string opc, string asm, string cstr, list<dag> pattern>
1308 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1309 let OutOperandList = oops;
1310 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1311 let AsmString = !strconcat(opc, "${s}${p}", asm);
1312 let Pattern = pattern;
1313 list<Predicate> Predicates = [IsThumb2];
1317 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1318 InstrItinClass itin,
1319 string asm, string cstr, list<dag> pattern>
1320 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1321 let OutOperandList = oops;
1322 let InOperandList = iops;
1323 let AsmString = asm;
1324 let Pattern = pattern;
1325 list<Predicate> Predicates = [IsThumb2];
1328 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1329 InstrItinClass itin,
1330 string asm, string cstr, list<dag> pattern>
1331 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1332 let OutOperandList = oops;
1333 let InOperandList = iops;
1334 let AsmString = asm;
1335 let Pattern = pattern;
1336 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1339 class T2I<dag oops, dag iops, InstrItinClass itin,
1340 string opc, string asm, list<dag> pattern>
1341 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1342 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1343 string opc, string asm, list<dag> pattern>
1344 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1345 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1346 string opc, string asm, list<dag> pattern>
1347 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1348 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1349 string opc, string asm, list<dag> pattern>
1350 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1351 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1352 string opc, string asm, list<dag> pattern>
1353 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1354 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1355 string opc, string asm, list<dag> pattern>
1356 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1358 let Inst{31-27} = 0b11101;
1359 let Inst{26-25} = 0b00;
1361 let Inst{23} = ?; // The U bit.
1364 let Inst{20} = load;
1367 class T2sI<dag oops, dag iops, InstrItinClass itin,
1368 string opc, string asm, list<dag> pattern>
1369 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1371 class T2XI<dag oops, dag iops, InstrItinClass itin,
1372 string asm, list<dag> pattern>
1373 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1374 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1375 string asm, list<dag> pattern>
1376 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1378 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1379 string opc, string asm, list<dag> pattern>
1380 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1382 // Two-address instructions
1383 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1384 string asm, string cstr, list<dag> pattern>
1385 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1387 // T2Iidxldst - Thumb2 indexed load / store instructions.
1388 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1390 AddrMode am, IndexMode im, InstrItinClass itin,
1391 string opc, string asm, string cstr, list<dag> pattern>
1392 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1393 let OutOperandList = oops;
1394 let InOperandList = !con(iops, (ins pred:$p));
1395 let AsmString = !strconcat(opc, "${p}", asm);
1396 let Pattern = pattern;
1397 list<Predicate> Predicates = [IsThumb2];
1398 let Inst{31-27} = 0b11111;
1399 let Inst{26-25} = 0b00;
1400 let Inst{24} = signed;
1402 let Inst{22-21} = opcod;
1403 let Inst{20} = load;
1405 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1406 let Inst{10} = pre; // The P bit.
1407 let Inst{8} = 1; // The W bit.
1410 // Helper class for disassembly only
1411 // A6.3.16 & A6.3.17
1412 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1413 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1414 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1415 : T2I<oops, iops, itin, opc, asm, pattern> {
1416 let Inst{31-27} = 0b11111;
1417 let Inst{26-24} = 0b011;
1418 let Inst{23} = long;
1419 let Inst{22-20} = op22_20;
1420 let Inst{7-4} = op7_4;
1423 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1424 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1425 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1428 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1429 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1430 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1433 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1434 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1435 list<Predicate> Predicates = [IsThumb2];
1438 //===----------------------------------------------------------------------===//
1440 //===----------------------------------------------------------------------===//
1441 // ARM VFP Instruction templates.
1444 // Almost all VFP instructions are predicable.
1445 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1446 IndexMode im, Format f, InstrItinClass itin,
1447 string opc, string asm, string cstr, list<dag> pattern>
1448 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1450 let Inst{31-28} = p;
1451 let OutOperandList = oops;
1452 let InOperandList = !con(iops, (ins pred:$p));
1453 let AsmString = !strconcat(opc, "${p}", asm);
1454 let Pattern = pattern;
1455 list<Predicate> Predicates = [HasVFP2];
1459 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1460 IndexMode im, Format f, InstrItinClass itin,
1461 string asm, string cstr, list<dag> pattern>
1462 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1463 let OutOperandList = oops;
1464 let InOperandList = iops;
1465 let AsmString = asm;
1466 let Pattern = pattern;
1467 list<Predicate> Predicates = [HasVFP2];
1470 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1471 string opc, string asm, list<dag> pattern>
1472 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1473 opc, asm, "", pattern>;
1475 // ARM VFP addrmode5 loads and stores
1476 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1477 InstrItinClass itin,
1478 string opc, string asm, list<dag> pattern>
1479 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1480 VFPLdStFrm, itin, opc, asm, "", pattern> {
1481 // Instruction operands.
1485 // Encode instruction operands.
1486 let Inst{23} = addr{8}; // U (add = (U == '1'))
1487 let Inst{22} = Dd{4};
1488 let Inst{19-16} = addr{12-9}; // Rn
1489 let Inst{15-12} = Dd{3-0};
1490 let Inst{7-0} = addr{7-0}; // imm8
1492 // TODO: Mark the instructions with the appropriate subtarget info.
1493 let Inst{27-24} = opcod1;
1494 let Inst{21-20} = opcod2;
1495 let Inst{11-9} = 0b101;
1496 let Inst{8} = 1; // Double precision
1498 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1499 let D = VFPNeonDomain;
1502 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1503 InstrItinClass itin,
1504 string opc, string asm, list<dag> pattern>
1505 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1506 VFPLdStFrm, itin, opc, asm, "", pattern> {
1507 // Instruction operands.
1511 // Encode instruction operands.
1512 let Inst{23} = addr{8}; // U (add = (U == '1'))
1513 let Inst{22} = Sd{0};
1514 let Inst{19-16} = addr{12-9}; // Rn
1515 let Inst{15-12} = Sd{4-1};
1516 let Inst{7-0} = addr{7-0}; // imm8
1518 // TODO: Mark the instructions with the appropriate subtarget info.
1519 let Inst{27-24} = opcod1;
1520 let Inst{21-20} = opcod2;
1521 let Inst{11-9} = 0b101;
1522 let Inst{8} = 0; // Single precision
1525 // VFP Load / store multiple pseudo instructions.
1526 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1528 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1530 let OutOperandList = oops;
1531 let InOperandList = !con(iops, (ins pred:$p));
1532 let Pattern = pattern;
1533 list<Predicate> Predicates = [HasVFP2];
1536 // Load / store multiple
1537 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1538 string asm, string cstr, list<dag> pattern>
1539 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1540 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1541 // TODO: Mark the instructions with the appropriate subtarget info.
1542 let Inst{27-25} = 0b110;
1543 let Inst{11-9} = 0b101;
1544 let Inst{8} = 1; // Double precision
1546 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1547 let D = VFPNeonDomain;
1550 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1551 string asm, string cstr, list<dag> pattern>
1552 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1553 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1554 // TODO: Mark the instructions with the appropriate subtarget info.
1555 let Inst{27-25} = 0b110;
1556 let Inst{11-9} = 0b101;
1557 let Inst{8} = 0; // Single precision
1560 // Double precision, unary
1561 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1562 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1563 string asm, list<dag> pattern>
1564 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1565 // Instruction operands.
1569 // Encode instruction operands.
1570 let Inst{3-0} = Dm{3-0};
1571 let Inst{5} = Dm{4};
1572 let Inst{15-12} = Dd{3-0};
1573 let Inst{22} = Dd{4};
1575 let Inst{27-23} = opcod1;
1576 let Inst{21-20} = opcod2;
1577 let Inst{19-16} = opcod3;
1578 let Inst{11-9} = 0b101;
1579 let Inst{8} = 1; // Double precision
1580 let Inst{7-6} = opcod4;
1581 let Inst{4} = opcod5;
1584 // Double precision, binary
1585 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1586 dag iops, InstrItinClass itin, string opc, string asm,
1588 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1589 // Instruction operands.
1594 // Encode instruction operands.
1595 let Inst{3-0} = Dm{3-0};
1596 let Inst{5} = Dm{4};
1597 let Inst{19-16} = Dn{3-0};
1598 let Inst{7} = Dn{4};
1599 let Inst{15-12} = Dd{3-0};
1600 let Inst{22} = Dd{4};
1602 let Inst{27-23} = opcod1;
1603 let Inst{21-20} = opcod2;
1604 let Inst{11-9} = 0b101;
1605 let Inst{8} = 1; // Double precision
1610 // Double precision, binary, VML[AS] (for additional predicate)
1611 class ADbI_vmlX<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1612 dag iops, InstrItinClass itin, string opc, string asm,
1614 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1615 // Instruction operands.
1620 // Encode instruction operands.
1621 let Inst{19-16} = Dn{3-0};
1622 let Inst{7} = Dn{4};
1623 let Inst{15-12} = Dd{3-0};
1624 let Inst{22} = Dd{4};
1625 let Inst{3-0} = Dm{3-0};
1626 let Inst{5} = Dm{4};
1628 let Inst{27-23} = opcod1;
1629 let Inst{21-20} = opcod2;
1630 let Inst{11-9} = 0b101;
1631 let Inst{8} = 1; // Double precision
1634 list<Predicate> Predicates = [HasVFP2, UseVMLx];
1637 // Single precision, unary
1638 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1639 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1640 string asm, list<dag> pattern>
1641 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1642 // Instruction operands.
1646 // Encode instruction operands.
1647 let Inst{3-0} = Sm{4-1};
1648 let Inst{5} = Sm{0};
1649 let Inst{15-12} = Sd{4-1};
1650 let Inst{22} = Sd{0};
1652 let Inst{27-23} = opcod1;
1653 let Inst{21-20} = opcod2;
1654 let Inst{19-16} = opcod3;
1655 let Inst{11-9} = 0b101;
1656 let Inst{8} = 0; // Single precision
1657 let Inst{7-6} = opcod4;
1658 let Inst{4} = opcod5;
1661 // Single precision unary, if no NEON
1662 // Same as ASuI except not available if NEON is enabled
1663 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1664 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1665 string asm, list<dag> pattern>
1666 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1668 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1671 // Single precision, binary
1672 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1673 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1674 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1675 // Instruction operands.
1680 // Encode instruction operands.
1681 let Inst{3-0} = Sm{4-1};
1682 let Inst{5} = Sm{0};
1683 let Inst{19-16} = Sn{4-1};
1684 let Inst{7} = Sn{0};
1685 let Inst{15-12} = Sd{4-1};
1686 let Inst{22} = Sd{0};
1688 let Inst{27-23} = opcod1;
1689 let Inst{21-20} = opcod2;
1690 let Inst{11-9} = 0b101;
1691 let Inst{8} = 0; // Single precision
1696 // Single precision binary, if no NEON
1697 // Same as ASbI except not available if NEON is enabled
1698 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1699 dag iops, InstrItinClass itin, string opc, string asm,
1701 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1702 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1704 // Instruction operands.
1709 // Encode instruction operands.
1710 let Inst{3-0} = Sm{4-1};
1711 let Inst{5} = Sm{0};
1712 let Inst{19-16} = Sn{4-1};
1713 let Inst{7} = Sn{0};
1714 let Inst{15-12} = Sd{4-1};
1715 let Inst{22} = Sd{0};
1718 // VFP conversion instructions
1719 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1720 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1722 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1723 let Inst{27-23} = opcod1;
1724 let Inst{21-20} = opcod2;
1725 let Inst{19-16} = opcod3;
1726 let Inst{11-8} = opcod4;
1731 // VFP conversion between floating-point and fixed-point
1732 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1733 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1735 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1736 // size (fixed-point number): sx == 0 ? 16 : 32
1737 let Inst{7} = op5; // sx
1740 // VFP conversion instructions, if no NEON
1741 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1742 dag oops, dag iops, InstrItinClass itin,
1743 string opc, string asm, list<dag> pattern>
1744 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1746 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1749 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1750 InstrItinClass itin,
1751 string opc, string asm, list<dag> pattern>
1752 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1753 let Inst{27-20} = opcod1;
1754 let Inst{11-8} = opcod2;
1758 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1759 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1760 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1762 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1763 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1764 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1766 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1767 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1768 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1770 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1771 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1772 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1774 //===----------------------------------------------------------------------===//
1776 //===----------------------------------------------------------------------===//
1777 // ARM NEON Instruction templates.
1780 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1781 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1783 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1784 let OutOperandList = oops;
1785 let InOperandList = !con(iops, (ins pred:$p));
1786 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1787 let Pattern = pattern;
1788 list<Predicate> Predicates = [HasNEON];
1791 // Same as NeonI except it does not have a "data type" specifier.
1792 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1793 InstrItinClass itin, string opc, string asm, string cstr,
1795 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1796 let OutOperandList = oops;
1797 let InOperandList = !con(iops, (ins pred:$p));
1798 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1799 let Pattern = pattern;
1800 list<Predicate> Predicates = [HasNEON];
1803 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1804 dag oops, dag iops, InstrItinClass itin,
1805 string opc, string dt, string asm, string cstr, list<dag> pattern>
1806 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1808 let Inst{31-24} = 0b11110100;
1809 let Inst{23} = op23;
1810 let Inst{21-20} = op21_20;
1811 let Inst{11-8} = op11_8;
1812 let Inst{7-4} = op7_4;
1818 let Inst{22} = Vd{4};
1819 let Inst{15-12} = Vd{3-0};
1820 let Inst{19-16} = Rn{3-0};
1821 let Inst{3-0} = Rm{3-0};
1824 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1825 dag oops, dag iops, InstrItinClass itin,
1826 string opc, string dt, string asm, string cstr, list<dag> pattern>
1827 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1828 dt, asm, cstr, pattern> {
1832 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1833 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1835 let OutOperandList = oops;
1836 let InOperandList = !con(iops, (ins pred:$p));
1837 list<Predicate> Predicates = [HasNEON];
1840 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1842 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1844 let OutOperandList = oops;
1845 let InOperandList = !con(iops, (ins pred:$p));
1846 let Pattern = pattern;
1847 list<Predicate> Predicates = [HasNEON];
1850 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1851 string opc, string dt, string asm, string cstr, list<dag> pattern>
1852 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1854 let Inst{31-25} = 0b1111001;
1857 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1858 string opc, string asm, string cstr, list<dag> pattern>
1859 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1861 let Inst{31-25} = 0b1111001;
1864 // NEON "one register and a modified immediate" format.
1865 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1867 dag oops, dag iops, InstrItinClass itin,
1868 string opc, string dt, string asm, string cstr,
1870 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1871 let Inst{23} = op23;
1872 let Inst{21-19} = op21_19;
1873 let Inst{11-8} = op11_8;
1879 // Instruction operands.
1883 let Inst{15-12} = Vd{3-0};
1884 let Inst{22} = Vd{4};
1885 let Inst{24} = SIMM{7};
1886 let Inst{18-16} = SIMM{6-4};
1887 let Inst{3-0} = SIMM{3-0};
1890 // NEON 2 vector register format.
1891 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1892 bits<5> op11_7, bit op6, bit op4,
1893 dag oops, dag iops, InstrItinClass itin,
1894 string opc, string dt, string asm, string cstr, list<dag> pattern>
1895 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1896 let Inst{24-23} = op24_23;
1897 let Inst{21-20} = op21_20;
1898 let Inst{19-18} = op19_18;
1899 let Inst{17-16} = op17_16;
1900 let Inst{11-7} = op11_7;
1904 // Instruction operands.
1908 let Inst{15-12} = Vd{3-0};
1909 let Inst{22} = Vd{4};
1910 let Inst{3-0} = Vm{3-0};
1911 let Inst{5} = Vm{4};
1914 // Same as N2V except it doesn't have a datatype suffix.
1915 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1916 bits<5> op11_7, bit op6, bit op4,
1917 dag oops, dag iops, InstrItinClass itin,
1918 string opc, string asm, string cstr, list<dag> pattern>
1919 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1920 let Inst{24-23} = op24_23;
1921 let Inst{21-20} = op21_20;
1922 let Inst{19-18} = op19_18;
1923 let Inst{17-16} = op17_16;
1924 let Inst{11-7} = op11_7;
1928 // Instruction operands.
1932 let Inst{15-12} = Vd{3-0};
1933 let Inst{22} = Vd{4};
1934 let Inst{3-0} = Vm{3-0};
1935 let Inst{5} = Vm{4};
1938 // NEON 2 vector register with immediate.
1939 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1940 dag oops, dag iops, Format f, InstrItinClass itin,
1941 string opc, string dt, string asm, string cstr, list<dag> pattern>
1942 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1943 let Inst{24} = op24;
1944 let Inst{23} = op23;
1945 let Inst{11-8} = op11_8;
1950 // Instruction operands.
1955 let Inst{15-12} = Vd{3-0};
1956 let Inst{22} = Vd{4};
1957 let Inst{3-0} = Vm{3-0};
1958 let Inst{5} = Vm{4};
1959 let Inst{21-16} = SIMM{5-0};
1962 // NEON 3 vector register format.
1963 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1964 dag oops, dag iops, Format f, InstrItinClass itin,
1965 string opc, string dt, string asm, string cstr, list<dag> pattern>
1966 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1967 let Inst{24} = op24;
1968 let Inst{23} = op23;
1969 let Inst{21-20} = op21_20;
1970 let Inst{11-8} = op11_8;
1974 // Instruction operands.
1979 let Inst{15-12} = Vd{3-0};
1980 let Inst{22} = Vd{4};
1981 let Inst{19-16} = Vn{3-0};
1982 let Inst{7} = Vn{4};
1983 let Inst{3-0} = Vm{3-0};
1984 let Inst{5} = Vm{4};
1987 // Same as N3V except it doesn't have a data type suffix.
1988 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1990 dag oops, dag iops, Format f, InstrItinClass itin,
1991 string opc, string asm, string cstr, list<dag> pattern>
1992 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1993 let Inst{24} = op24;
1994 let Inst{23} = op23;
1995 let Inst{21-20} = op21_20;
1996 let Inst{11-8} = op11_8;
2000 // Instruction operands.
2005 let Inst{15-12} = Vd{3-0};
2006 let Inst{22} = Vd{4};
2007 let Inst{19-16} = Vn{3-0};
2008 let Inst{7} = Vn{4};
2009 let Inst{3-0} = Vm{3-0};
2010 let Inst{5} = Vm{4};
2013 // NEON VMOVs between scalar and core registers.
2014 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2015 dag oops, dag iops, Format f, InstrItinClass itin,
2016 string opc, string dt, string asm, list<dag> pattern>
2017 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
2019 let Inst{27-20} = opcod1;
2020 let Inst{11-8} = opcod2;
2021 let Inst{6-5} = opcod3;
2024 let OutOperandList = oops;
2025 let InOperandList = !con(iops, (ins pred:$p));
2026 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
2027 let Pattern = pattern;
2028 list<Predicate> Predicates = [HasNEON];
2035 let Inst{31-28} = p{3-0};
2037 let Inst{19-16} = V{3-0};
2038 let Inst{15-12} = R{3-0};
2040 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2041 dag oops, dag iops, InstrItinClass itin,
2042 string opc, string dt, string asm, list<dag> pattern>
2043 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
2044 opc, dt, asm, pattern>;
2045 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2046 dag oops, dag iops, InstrItinClass itin,
2047 string opc, string dt, string asm, list<dag> pattern>
2048 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
2049 opc, dt, asm, pattern>;
2050 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2051 dag oops, dag iops, InstrItinClass itin,
2052 string opc, string dt, string asm, list<dag> pattern>
2053 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
2054 opc, dt, asm, pattern>;
2056 // Vector Duplicate Lane (from scalar to all elements)
2057 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
2058 InstrItinClass itin, string opc, string dt, string asm,
2060 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
2061 let Inst{24-23} = 0b11;
2062 let Inst{21-20} = 0b11;
2063 let Inst{19-16} = op19_16;
2064 let Inst{11-7} = 0b11000;
2072 let Inst{22} = Vd{4};
2073 let Inst{15-12} = Vd{3-0};
2074 let Inst{5} = Vm{4};
2075 let Inst{3-0} = Vm{3-0};
2078 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
2079 // for single-precision FP.
2080 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
2081 list<Predicate> Predicates = [HasNEON,UseNEONForFP];