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> {
675 let Inst{27-25} = 0b000;
676 let Inst{24} = 1; // P bit
677 let Inst{23} = addr{8}; // U bit
678 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
679 let Inst{21} = 0; // W bit
680 let Inst{20} = 1; // L bit
681 let Inst{19-16} = addr{12-9}; // Rn
682 let Inst{15-12} = Rt; // Rt
683 let Inst{11-8} = addr{7-4}; // imm7_4/zero
684 let Inst{7-4} = 0b1111;
685 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
687 class AXI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
688 string asm, list<dag> pattern>
689 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
692 let Inst{5} = 1; // H bit
693 let Inst{6} = 1; // S bit
695 let Inst{20} = 1; // L bit
696 let Inst{21} = 0; // W bit
697 let Inst{24} = 1; // P bit
699 class AI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
700 string opc, string asm, list<dag> pattern>
701 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
702 opc, asm, "", pattern> {
705 let Inst{27-25} = 0b000;
706 let Inst{24} = 1; // P bit
707 let Inst{23} = addr{8}; // U bit
708 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
709 let Inst{21} = 0; // W bit
710 let Inst{20} = 1; // L bit
711 let Inst{19-16} = addr{12-9}; // Rn
712 let Inst{15-12} = Rt; // Rt
713 let Inst{11-8} = addr{7-4}; // imm7_4/zero
714 let Inst{7-4} = 0b1101;
715 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
717 class AXI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
718 string asm, list<dag> pattern>
719 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
722 let Inst{5} = 0; // H bit
723 let Inst{6} = 1; // S bit
725 let Inst{20} = 1; // L bit
726 let Inst{21} = 0; // W bit
727 let Inst{24} = 1; // P bit
729 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
730 string opc, string asm, list<dag> pattern>
731 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
732 opc, asm, "", pattern> {
734 let Inst{5} = 0; // H bit
735 let Inst{6} = 1; // S bit
737 let Inst{20} = 0; // L bit
738 let Inst{21} = 0; // W bit
739 let Inst{24} = 1; // P bit
740 let Inst{27-25} = 0b000;
744 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
745 string opc, string asm, list<dag> pattern>
746 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
747 opc, asm, "", pattern> {
750 let Inst{27-25} = 0b000;
751 let Inst{24} = 1; // P bit
752 let Inst{23} = addr{8}; // U bit
753 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
754 let Inst{21} = 0; // W bit
755 let Inst{20} = 0; // L bit
756 let Inst{19-16} = addr{12-9}; // Rn
757 let Inst{15-12} = Rt; // Rt
758 let Inst{11-8} = addr{7-4}; // imm7_4/zero
759 let Inst{7-4} = 0b1011;
760 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
762 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
763 string asm, list<dag> pattern>
764 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
767 let Inst{5} = 1; // H bit
768 let Inst{6} = 0; // S bit
770 let Inst{20} = 0; // L bit
771 let Inst{21} = 0; // W bit
772 let Inst{24} = 1; // P bit
774 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
775 string opc, string asm, list<dag> pattern>
776 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
777 opc, asm, "", pattern> {
779 let Inst{5} = 1; // H bit
780 let Inst{6} = 1; // S bit
782 let Inst{20} = 0; // L bit
783 let Inst{21} = 0; // W bit
784 let Inst{24} = 1; // P bit
785 let Inst{27-25} = 0b000;
789 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
790 string opc, string asm, string cstr, list<dag> pattern>
791 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
792 opc, asm, cstr, pattern> {
794 let Inst{5} = 1; // H bit
795 let Inst{6} = 0; // S bit
797 let Inst{20} = 1; // L bit
798 let Inst{21} = 1; // W bit
799 let Inst{24} = 1; // P bit
800 let Inst{27-25} = 0b000;
802 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
803 string opc, string asm, string cstr, list<dag> pattern>
804 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
805 opc, asm, cstr, pattern> {
808 let Inst{27-25} = 0b000;
809 let Inst{24} = 1; // P bit
810 let Inst{23} = addr{8}; // U bit
811 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
812 let Inst{21} = 1; // W bit
813 let Inst{20} = 1; // L bit
814 let Inst{19-16} = addr{12-9}; // Rn
815 let Inst{15-12} = Rt; // Rt
816 let Inst{11-8} = addr{7-4}; // imm7_4/zero
817 let Inst{7-4} = 0b1111;
818 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
820 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
821 string opc, string asm, string cstr, list<dag> pattern>
822 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
823 opc, asm, cstr, pattern> {
825 let Inst{5} = 0; // H bit
826 let Inst{6} = 1; // S bit
828 let Inst{20} = 1; // L bit
829 let Inst{21} = 1; // W bit
830 let Inst{24} = 1; // P bit
831 let Inst{27-25} = 0b000;
833 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
834 string opc, string asm, string cstr, list<dag> pattern>
835 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
836 opc, asm, cstr, pattern> {
838 let Inst{5} = 0; // H bit
839 let Inst{6} = 1; // S bit
841 let Inst{20} = 0; // L bit
842 let Inst{21} = 1; // W bit
843 let Inst{24} = 1; // P bit
844 let Inst{27-25} = 0b000;
848 // Pre-indexed stores
849 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
850 string opc, string asm, string cstr, list<dag> pattern>
851 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
852 opc, asm, cstr, pattern> {
854 let Inst{5} = 1; // H bit
855 let Inst{6} = 0; // S bit
857 let Inst{20} = 0; // L bit
858 let Inst{21} = 1; // W bit
859 let Inst{24} = 1; // P bit
860 let Inst{27-25} = 0b000;
862 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
863 string opc, string asm, string cstr, list<dag> pattern>
864 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
865 opc, asm, cstr, pattern> {
867 let Inst{5} = 1; // H bit
868 let Inst{6} = 1; // S bit
870 let Inst{20} = 0; // L bit
871 let Inst{21} = 1; // W bit
872 let Inst{24} = 1; // P bit
873 let Inst{27-25} = 0b000;
876 // Post-indexed loads
877 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
878 string opc, string asm, string cstr, list<dag> pattern>
879 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
880 opc, asm, cstr,pattern> {
882 let Inst{5} = 1; // H bit
883 let Inst{6} = 0; // S bit
885 let Inst{20} = 1; // L bit
886 let Inst{21} = 0; // W bit
887 let Inst{24} = 0; // P bit
888 let Inst{27-25} = 0b000;
890 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
891 string opc, string asm, string cstr, list<dag> pattern>
892 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
893 opc, asm, cstr,pattern> {
897 let Inst{27-25} = 0b000;
898 let Inst{24} = 0; // P bit
899 let Inst{23} = offset{8}; // U bit
900 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
901 let Inst{21} = 0; // W bit
902 let Inst{20} = 1; // L bit
903 let Inst{19-16} = Rn; // Rn
904 let Inst{15-12} = Rt; // Rt
905 let Inst{11-8} = offset{7-4}; // imm7_4/zero
906 let Inst{7-4} = 0b1111;
907 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
909 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
910 string opc, string asm, string cstr, list<dag> pattern>
911 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
912 opc, asm, cstr,pattern> {
914 let Inst{5} = 0; // H bit
915 let Inst{6} = 1; // S bit
917 let Inst{20} = 1; // L bit
918 let Inst{21} = 0; // W bit
919 let Inst{24} = 0; // P bit
920 let Inst{27-25} = 0b000;
922 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
923 string opc, string asm, string cstr, list<dag> pattern>
924 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
925 opc, asm, cstr, pattern> {
927 let Inst{5} = 0; // H bit
928 let Inst{6} = 1; // S bit
930 let Inst{20} = 0; // L bit
931 let Inst{21} = 0; // W bit
932 let Inst{24} = 0; // P bit
933 let Inst{27-25} = 0b000;
936 // Post-indexed stores
937 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
938 string opc, string asm, string cstr, list<dag> pattern>
939 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
940 opc, asm, cstr,pattern> {
942 let Inst{5} = 1; // H bit
943 let Inst{6} = 0; // S bit
945 let Inst{20} = 0; // L bit
946 let Inst{21} = 0; // W bit
947 let Inst{24} = 0; // P bit
948 let Inst{27-25} = 0b000;
950 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
951 string opc, string asm, string cstr, list<dag> pattern>
952 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
953 opc, asm, cstr, pattern> {
955 let Inst{5} = 1; // H bit
956 let Inst{6} = 1; // S bit
958 let Inst{20} = 0; // L bit
959 let Inst{21} = 0; // W bit
960 let Inst{24} = 0; // P bit
961 let Inst{27-25} = 0b000;
964 // addrmode4 instructions
965 class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
966 string asm, string cstr, list<dag> pattern>
967 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
968 asm, cstr, pattern> {
974 let Inst{27-25} = 0b100;
975 let Inst{24-23} = amode;
976 let Inst{22} = 0; // S bit
977 let Inst{20} = 1; // L bit
978 let Inst{19-16} = Rn;
979 let Inst{15-0} = dsts;
981 class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
982 string asm, string cstr, list<dag> pattern>
983 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
984 asm, cstr, pattern> {
990 let Inst{27-25} = 0b100;
991 let Inst{24-23} = amode;
992 let Inst{22} = 0; // S bit
993 let Inst{20} = 0; // L bit
994 let Inst{19-16} = Rn;
995 let Inst{15-0} = srcs;
998 // Unsigned multiply, multiply-accumulate instructions.
999 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
1000 string opc, string asm, list<dag> pattern>
1001 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
1002 opc, asm, "", pattern> {
1003 let Inst{7-4} = 0b1001;
1004 let Inst{20} = 0; // S bit
1005 let Inst{27-21} = opcod;
1007 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
1008 string opc, string asm, list<dag> pattern>
1009 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
1010 opc, asm, "", pattern> {
1011 let Inst{7-4} = 0b1001;
1012 let Inst{27-21} = opcod;
1015 // Most significant word multiply
1016 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
1017 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1018 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
1019 opc, asm, "", pattern> {
1023 let Inst{7-4} = opc7_4;
1025 let Inst{27-21} = opcod;
1026 let Inst{19-16} = Rd;
1027 let Inst{11-8} = Rm;
1030 // MSW multiple w/ Ra operand
1031 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
1032 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1033 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
1035 let Inst{15-12} = Ra;
1038 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
1039 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1040 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1041 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
1042 opc, asm, "", pattern> {
1048 let Inst{27-21} = opcod;
1049 let Inst{6-5} = bit6_5;
1050 let Inst{11-8} = Rm;
1053 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1054 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1055 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1057 let Inst{19-16} = Rd;
1060 // AMulxyI with Ra operand
1061 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1062 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1063 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1065 let Inst{15-12} = Ra;
1068 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1069 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1070 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1073 let Inst{19-16} = RdHi;
1074 let Inst{15-12} = RdLo;
1077 // Extend instructions.
1078 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
1079 string opc, string asm, list<dag> pattern>
1080 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
1081 opc, asm, "", pattern> {
1082 // All AExtI instructions have Rd and Rm register operands.
1085 let Inst{15-12} = Rd;
1087 let Inst{7-4} = 0b0111;
1088 let Inst{9-8} = 0b00;
1089 let Inst{27-20} = opcod;
1092 // Misc Arithmetic instructions.
1093 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
1094 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1095 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1096 opc, asm, "", pattern> {
1099 let Inst{27-20} = opcod;
1100 let Inst{19-16} = 0b1111;
1101 let Inst{15-12} = Rd;
1102 let Inst{11-8} = 0b1111;
1103 let Inst{7-4} = opc7_4;
1108 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
1109 string opc, string asm, list<dag> pattern>
1110 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1111 opc, asm, "", pattern> {
1116 let Inst{27-20} = opcod;
1117 let Inst{19-16} = Rn;
1118 let Inst{15-12} = Rd;
1119 let Inst{11-7} = sh{7-3};
1121 let Inst{5-4} = 0b01;
1125 //===----------------------------------------------------------------------===//
1127 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
1128 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
1129 list<Predicate> Predicates = [IsARM];
1131 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
1132 list<Predicate> Predicates = [IsARM, HasV5TE];
1134 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
1135 list<Predicate> Predicates = [IsARM, HasV6];
1138 //===----------------------------------------------------------------------===//
1140 // Thumb Instruction Format Definitions.
1143 // TI - Thumb instruction.
1145 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1146 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1147 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1148 let OutOperandList = oops;
1149 let InOperandList = iops;
1150 let AsmString = asm;
1151 let Pattern = pattern;
1152 list<Predicate> Predicates = [IsThumb];
1155 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
1156 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1158 // Two-address instructions
1159 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
1161 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
1164 // tBL, tBX 32-bit instructions
1165 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
1166 dag oops, dag iops, InstrItinClass itin, string asm,
1168 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
1170 let Inst{31-27} = opcod1;
1171 let Inst{15-14} = opcod2;
1172 let Inst{12} = opcod3;
1175 // BR_JT instructions
1176 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
1178 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1181 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1182 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1183 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1184 let OutOperandList = oops;
1185 let InOperandList = iops;
1186 let AsmString = asm;
1187 let Pattern = pattern;
1188 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1191 class T1I<dag oops, dag iops, InstrItinClass itin,
1192 string asm, list<dag> pattern>
1193 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1194 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
1195 string asm, list<dag> pattern>
1196 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1197 class T1JTI<dag oops, dag iops, InstrItinClass itin,
1198 string asm, list<dag> pattern>
1199 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1201 // Two-address instructions
1202 class T1It<dag oops, dag iops, InstrItinClass itin,
1203 string asm, string cstr, list<dag> pattern>
1204 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1205 asm, cstr, pattern>;
1207 // Thumb1 instruction that can either be predicated or set CPSR.
1208 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1209 InstrItinClass itin,
1210 string opc, string asm, string cstr, list<dag> pattern>
1211 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1212 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1213 let InOperandList = !con(iops, (ins pred:$p));
1214 let AsmString = !strconcat(opc, "${s}${p}", asm);
1215 let Pattern = pattern;
1216 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1219 class T1sI<dag oops, dag iops, InstrItinClass itin,
1220 string opc, string asm, list<dag> pattern>
1221 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1223 // Two-address instructions
1224 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1225 string opc, string asm, list<dag> pattern>
1226 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1227 "$lhs = $dst", pattern>;
1229 // Thumb1 instruction that can be predicated.
1230 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1231 InstrItinClass itin,
1232 string opc, string asm, string cstr, list<dag> pattern>
1233 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1234 let OutOperandList = oops;
1235 let InOperandList = !con(iops, (ins pred:$p));
1236 let AsmString = !strconcat(opc, "${p}", asm);
1237 let Pattern = pattern;
1238 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1241 class T1pI<dag oops, dag iops, InstrItinClass itin,
1242 string opc, string asm, list<dag> pattern>
1243 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1245 // Two-address instructions
1246 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1247 string opc, string asm, list<dag> pattern>
1248 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1249 "$lhs = $dst", pattern>;
1251 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1252 string opc, string asm, list<dag> pattern>
1253 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1254 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1255 string opc, string asm, list<dag> pattern>
1256 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1257 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1258 string opc, string asm, list<dag> pattern>
1259 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1260 class T1pIs<dag oops, dag iops,
1261 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1262 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1264 class Encoding16 : Encoding {
1265 let Inst{31-16} = 0x0000;
1268 // A6.2 16-bit Thumb instruction encoding
1269 class T1Encoding<bits<6> opcode> : Encoding16 {
1270 let Inst{15-10} = opcode;
1273 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1274 class T1General<bits<5> opcode> : Encoding16 {
1275 let Inst{15-14} = 0b00;
1276 let Inst{13-9} = opcode;
1279 // A6.2.2 Data-processing encoding.
1280 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1281 let Inst{15-10} = 0b010000;
1282 let Inst{9-6} = opcode;
1285 // A6.2.3 Special data instructions and branch and exchange encoding.
1286 class T1Special<bits<4> opcode> : Encoding16 {
1287 let Inst{15-10} = 0b010001;
1288 let Inst{9-6} = opcode;
1291 // A6.2.4 Load/store single data item encoding.
1292 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1293 let Inst{15-12} = opA;
1294 let Inst{11-9} = opB;
1296 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1297 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1298 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1299 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1300 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1302 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1303 class T1Misc<bits<7> opcode> : Encoding16 {
1304 let Inst{15-12} = 0b1011;
1305 let Inst{11-5} = opcode;
1308 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1309 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1310 InstrItinClass itin,
1311 string opc, string asm, string cstr, list<dag> pattern>
1312 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1313 let OutOperandList = oops;
1314 let InOperandList = !con(iops, (ins pred:$p));
1315 let AsmString = !strconcat(opc, "${p}", asm);
1316 let Pattern = pattern;
1317 list<Predicate> Predicates = [IsThumb2];
1320 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1321 // input operand since by default it's a zero register. It will become an
1322 // implicit def once it's "flipped".
1324 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1326 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1327 InstrItinClass itin,
1328 string opc, string asm, string cstr, list<dag> pattern>
1329 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1330 let OutOperandList = oops;
1331 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1332 let AsmString = !strconcat(opc, "${s}${p}", asm);
1333 let Pattern = pattern;
1334 list<Predicate> Predicates = [IsThumb2];
1338 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1339 InstrItinClass itin,
1340 string asm, string cstr, list<dag> pattern>
1341 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1342 let OutOperandList = oops;
1343 let InOperandList = iops;
1344 let AsmString = asm;
1345 let Pattern = pattern;
1346 list<Predicate> Predicates = [IsThumb2];
1349 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1350 InstrItinClass itin,
1351 string asm, string cstr, list<dag> pattern>
1352 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1353 let OutOperandList = oops;
1354 let InOperandList = iops;
1355 let AsmString = asm;
1356 let Pattern = pattern;
1357 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1360 class T2I<dag oops, dag iops, InstrItinClass itin,
1361 string opc, string asm, list<dag> pattern>
1362 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1363 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1364 string opc, string asm, list<dag> pattern>
1365 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1366 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1367 string opc, string asm, list<dag> pattern>
1368 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1369 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1370 string opc, string asm, list<dag> pattern>
1371 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1372 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1373 string opc, string asm, list<dag> pattern>
1374 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1375 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1376 string opc, string asm, list<dag> pattern>
1377 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1379 let Inst{31-27} = 0b11101;
1380 let Inst{26-25} = 0b00;
1382 let Inst{23} = ?; // The U bit.
1385 let Inst{20} = load;
1388 class T2sI<dag oops, dag iops, InstrItinClass itin,
1389 string opc, string asm, list<dag> pattern>
1390 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1392 class T2XI<dag oops, dag iops, InstrItinClass itin,
1393 string asm, list<dag> pattern>
1394 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1395 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1396 string asm, list<dag> pattern>
1397 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1399 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1400 string opc, string asm, list<dag> pattern>
1401 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1403 // Two-address instructions
1404 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1405 string asm, string cstr, list<dag> pattern>
1406 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1408 // T2Iidxldst - Thumb2 indexed load / store instructions.
1409 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1411 AddrMode am, IndexMode im, InstrItinClass itin,
1412 string opc, string asm, string cstr, list<dag> pattern>
1413 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1414 let OutOperandList = oops;
1415 let InOperandList = !con(iops, (ins pred:$p));
1416 let AsmString = !strconcat(opc, "${p}", asm);
1417 let Pattern = pattern;
1418 list<Predicate> Predicates = [IsThumb2];
1419 let Inst{31-27} = 0b11111;
1420 let Inst{26-25} = 0b00;
1421 let Inst{24} = signed;
1423 let Inst{22-21} = opcod;
1424 let Inst{20} = load;
1426 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1427 let Inst{10} = pre; // The P bit.
1428 let Inst{8} = 1; // The W bit.
1431 // Helper class for disassembly only
1432 // A6.3.16 & A6.3.17
1433 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1434 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1435 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1436 : T2I<oops, iops, itin, opc, asm, pattern> {
1437 let Inst{31-27} = 0b11111;
1438 let Inst{26-24} = 0b011;
1439 let Inst{23} = long;
1440 let Inst{22-20} = op22_20;
1441 let Inst{7-4} = op7_4;
1444 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1445 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1446 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1449 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1450 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1451 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1454 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1455 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1456 list<Predicate> Predicates = [IsThumb2];
1459 //===----------------------------------------------------------------------===//
1461 //===----------------------------------------------------------------------===//
1462 // ARM VFP Instruction templates.
1465 // Almost all VFP instructions are predicable.
1466 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1467 IndexMode im, Format f, InstrItinClass itin,
1468 string opc, string asm, string cstr, list<dag> pattern>
1469 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1471 let Inst{31-28} = p;
1472 let OutOperandList = oops;
1473 let InOperandList = !con(iops, (ins pred:$p));
1474 let AsmString = !strconcat(opc, "${p}", asm);
1475 let Pattern = pattern;
1476 list<Predicate> Predicates = [HasVFP2];
1480 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1481 IndexMode im, Format f, InstrItinClass itin,
1482 string asm, string cstr, list<dag> pattern>
1483 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1484 let OutOperandList = oops;
1485 let InOperandList = iops;
1486 let AsmString = asm;
1487 let Pattern = pattern;
1488 list<Predicate> Predicates = [HasVFP2];
1491 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1492 string opc, string asm, list<dag> pattern>
1493 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1494 opc, asm, "", pattern>;
1496 // ARM VFP addrmode5 loads and stores
1497 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1498 InstrItinClass itin,
1499 string opc, string asm, list<dag> pattern>
1500 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1501 VFPLdStFrm, itin, opc, asm, "", pattern> {
1502 // Instruction operands.
1506 // Encode instruction operands.
1507 let Inst{23} = addr{8}; // U (add = (U == '1'))
1508 let Inst{22} = Dd{4};
1509 let Inst{19-16} = addr{12-9}; // Rn
1510 let Inst{15-12} = Dd{3-0};
1511 let Inst{7-0} = addr{7-0}; // imm8
1513 // TODO: Mark the instructions with the appropriate subtarget info.
1514 let Inst{27-24} = opcod1;
1515 let Inst{21-20} = opcod2;
1516 let Inst{11-9} = 0b101;
1517 let Inst{8} = 1; // Double precision
1519 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1520 let D = VFPNeonDomain;
1523 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1524 InstrItinClass itin,
1525 string opc, string asm, list<dag> pattern>
1526 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1527 VFPLdStFrm, itin, opc, asm, "", pattern> {
1528 // Instruction operands.
1532 // Encode instruction operands.
1533 let Inst{23} = addr{8}; // U (add = (U == '1'))
1534 let Inst{22} = Sd{0};
1535 let Inst{19-16} = addr{12-9}; // Rn
1536 let Inst{15-12} = Sd{4-1};
1537 let Inst{7-0} = addr{7-0}; // imm8
1539 // TODO: Mark the instructions with the appropriate subtarget info.
1540 let Inst{27-24} = opcod1;
1541 let Inst{21-20} = opcod2;
1542 let Inst{11-9} = 0b101;
1543 let Inst{8} = 0; // Single precision
1546 // VFP Load / store multiple pseudo instructions.
1547 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1549 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1551 let OutOperandList = oops;
1552 let InOperandList = !con(iops, (ins pred:$p));
1553 let Pattern = pattern;
1554 list<Predicate> Predicates = [HasVFP2];
1557 // Load / store multiple
1558 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1559 string asm, string cstr, list<dag> pattern>
1560 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1561 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1562 // TODO: Mark the instructions with the appropriate subtarget info.
1563 let Inst{27-25} = 0b110;
1564 let Inst{11-9} = 0b101;
1565 let Inst{8} = 1; // Double precision
1567 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1568 let D = VFPNeonDomain;
1571 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1572 string asm, string cstr, list<dag> pattern>
1573 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1574 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1575 // TODO: Mark the instructions with the appropriate subtarget info.
1576 let Inst{27-25} = 0b110;
1577 let Inst{11-9} = 0b101;
1578 let Inst{8} = 0; // Single precision
1581 // Double precision, unary
1582 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1583 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1584 string asm, list<dag> pattern>
1585 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1586 // Instruction operands.
1590 // Encode instruction operands.
1591 let Inst{3-0} = Dm{3-0};
1592 let Inst{5} = Dm{4};
1593 let Inst{15-12} = Dd{3-0};
1594 let Inst{22} = Dd{4};
1596 let Inst{27-23} = opcod1;
1597 let Inst{21-20} = opcod2;
1598 let Inst{19-16} = opcod3;
1599 let Inst{11-9} = 0b101;
1600 let Inst{8} = 1; // Double precision
1601 let Inst{7-6} = opcod4;
1602 let Inst{4} = opcod5;
1605 // Double precision, binary
1606 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1607 dag iops, InstrItinClass itin, string opc, string asm,
1609 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1610 // Instruction operands.
1615 // Encode instruction operands.
1616 let Inst{3-0} = Dm{3-0};
1617 let Inst{5} = Dm{4};
1618 let Inst{19-16} = Dn{3-0};
1619 let Inst{7} = Dn{4};
1620 let Inst{15-12} = Dd{3-0};
1621 let Inst{22} = Dd{4};
1623 let Inst{27-23} = opcod1;
1624 let Inst{21-20} = opcod2;
1625 let Inst{11-9} = 0b101;
1626 let Inst{8} = 1; // Double precision
1631 // Double precision, binary, VML[AS] (for additional predicate)
1632 class ADbI_vmlX<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1633 dag iops, InstrItinClass itin, string opc, string asm,
1635 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1636 // Instruction operands.
1641 // Encode instruction operands.
1642 let Inst{19-16} = Dn{3-0};
1643 let Inst{7} = Dn{4};
1644 let Inst{15-12} = Dd{3-0};
1645 let Inst{22} = Dd{4};
1646 let Inst{3-0} = Dm{3-0};
1647 let Inst{5} = Dm{4};
1649 let Inst{27-23} = opcod1;
1650 let Inst{21-20} = opcod2;
1651 let Inst{11-9} = 0b101;
1652 let Inst{8} = 1; // Double precision
1655 list<Predicate> Predicates = [HasVFP2, UseVMLx];
1658 // Single precision, unary
1659 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1660 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1661 string asm, list<dag> pattern>
1662 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1663 // Instruction operands.
1667 // Encode instruction operands.
1668 let Inst{3-0} = Sm{4-1};
1669 let Inst{5} = Sm{0};
1670 let Inst{15-12} = Sd{4-1};
1671 let Inst{22} = Sd{0};
1673 let Inst{27-23} = opcod1;
1674 let Inst{21-20} = opcod2;
1675 let Inst{19-16} = opcod3;
1676 let Inst{11-9} = 0b101;
1677 let Inst{8} = 0; // Single precision
1678 let Inst{7-6} = opcod4;
1679 let Inst{4} = opcod5;
1682 // Single precision unary, if no NEON
1683 // Same as ASuI except not available if NEON is enabled
1684 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1685 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1686 string asm, list<dag> pattern>
1687 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1689 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1692 // Single precision, binary
1693 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1694 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1695 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1696 // Instruction operands.
1701 // Encode instruction operands.
1702 let Inst{3-0} = Sm{4-1};
1703 let Inst{5} = Sm{0};
1704 let Inst{19-16} = Sn{4-1};
1705 let Inst{7} = Sn{0};
1706 let Inst{15-12} = Sd{4-1};
1707 let Inst{22} = Sd{0};
1709 let Inst{27-23} = opcod1;
1710 let Inst{21-20} = opcod2;
1711 let Inst{11-9} = 0b101;
1712 let Inst{8} = 0; // Single precision
1717 // Single precision binary, if no NEON
1718 // Same as ASbI except not available if NEON is enabled
1719 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1720 dag iops, InstrItinClass itin, string opc, string asm,
1722 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1723 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1725 // Instruction operands.
1730 // Encode instruction operands.
1731 let Inst{3-0} = Sm{4-1};
1732 let Inst{5} = Sm{0};
1733 let Inst{19-16} = Sn{4-1};
1734 let Inst{7} = Sn{0};
1735 let Inst{15-12} = Sd{4-1};
1736 let Inst{22} = Sd{0};
1739 // VFP conversion instructions
1740 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1741 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1743 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1744 let Inst{27-23} = opcod1;
1745 let Inst{21-20} = opcod2;
1746 let Inst{19-16} = opcod3;
1747 let Inst{11-8} = opcod4;
1752 // VFP conversion between floating-point and fixed-point
1753 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1754 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1756 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1757 // size (fixed-point number): sx == 0 ? 16 : 32
1758 let Inst{7} = op5; // sx
1761 // VFP conversion instructions, if no NEON
1762 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1763 dag oops, dag iops, InstrItinClass itin,
1764 string opc, string asm, list<dag> pattern>
1765 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1767 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1770 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1771 InstrItinClass itin,
1772 string opc, string asm, list<dag> pattern>
1773 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1774 let Inst{27-20} = opcod1;
1775 let Inst{11-8} = opcod2;
1779 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1780 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1781 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1783 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1784 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1785 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1787 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1788 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1789 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1791 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1792 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1793 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1795 //===----------------------------------------------------------------------===//
1797 //===----------------------------------------------------------------------===//
1798 // ARM NEON Instruction templates.
1801 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1802 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1804 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1805 let OutOperandList = oops;
1806 let InOperandList = !con(iops, (ins pred:$p));
1807 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1808 let Pattern = pattern;
1809 list<Predicate> Predicates = [HasNEON];
1812 // Same as NeonI except it does not have a "data type" specifier.
1813 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1814 InstrItinClass itin, string opc, string asm, string cstr,
1816 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1817 let OutOperandList = oops;
1818 let InOperandList = !con(iops, (ins pred:$p));
1819 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1820 let Pattern = pattern;
1821 list<Predicate> Predicates = [HasNEON];
1824 class NLdSt<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 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1829 let Inst{31-24} = 0b11110100;
1830 let Inst{23} = op23;
1831 let Inst{21-20} = op21_20;
1832 let Inst{11-8} = op11_8;
1833 let Inst{7-4} = op7_4;
1835 string PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1841 let Inst{22} = Vd{4};
1842 let Inst{15-12} = Vd{3-0};
1843 let Inst{19-16} = Rn{3-0};
1844 let Inst{3-0} = Rm{3-0};
1847 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1848 dag oops, dag iops, InstrItinClass itin,
1849 string opc, string dt, string asm, string cstr, list<dag> pattern>
1850 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1851 dt, asm, cstr, pattern> {
1855 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1856 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1858 let OutOperandList = oops;
1859 let InOperandList = !con(iops, (ins pred:$p));
1860 list<Predicate> Predicates = [HasNEON];
1863 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1865 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1867 let OutOperandList = oops;
1868 let InOperandList = !con(iops, (ins pred:$p));
1869 let Pattern = pattern;
1870 list<Predicate> Predicates = [HasNEON];
1873 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1874 string opc, string dt, string asm, string cstr, list<dag> pattern>
1875 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1877 let Inst{31-25} = 0b1111001;
1878 string PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1881 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1882 string opc, string asm, string cstr, list<dag> pattern>
1883 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1885 let Inst{31-25} = 0b1111001;
1888 // NEON "one register and a modified immediate" format.
1889 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1891 dag oops, dag iops, InstrItinClass itin,
1892 string opc, string dt, string asm, string cstr,
1894 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1895 let Inst{23} = op23;
1896 let Inst{21-19} = op21_19;
1897 let Inst{11-8} = op11_8;
1903 // Instruction operands.
1907 let Inst{15-12} = Vd{3-0};
1908 let Inst{22} = Vd{4};
1909 let Inst{24} = SIMM{7};
1910 let Inst{18-16} = SIMM{6-4};
1911 let Inst{3-0} = SIMM{3-0};
1914 // NEON 2 vector register format.
1915 class N2V<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 dt, string asm, string cstr, list<dag> pattern>
1919 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, 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 // Same as N2V except it doesn't have a datatype suffix.
1939 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1940 bits<5> op11_7, bit op6, bit op4,
1941 dag oops, dag iops, InstrItinClass itin,
1942 string opc, string asm, string cstr, list<dag> pattern>
1943 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1944 let Inst{24-23} = op24_23;
1945 let Inst{21-20} = op21_20;
1946 let Inst{19-18} = op19_18;
1947 let Inst{17-16} = op17_16;
1948 let Inst{11-7} = op11_7;
1952 // Instruction operands.
1956 let Inst{15-12} = Vd{3-0};
1957 let Inst{22} = Vd{4};
1958 let Inst{3-0} = Vm{3-0};
1959 let Inst{5} = Vm{4};
1962 // NEON 2 vector register with immediate.
1963 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, 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{11-8} = op11_8;
1974 // Instruction operands.
1979 let Inst{15-12} = Vd{3-0};
1980 let Inst{22} = Vd{4};
1981 let Inst{3-0} = Vm{3-0};
1982 let Inst{5} = Vm{4};
1983 let Inst{21-16} = SIMM{5-0};
1986 // NEON 3 vector register format.
1987 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1988 dag oops, dag iops, Format f, InstrItinClass itin,
1989 string opc, string dt, string asm, string cstr, list<dag> pattern>
1990 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1991 let Inst{24} = op24;
1992 let Inst{23} = op23;
1993 let Inst{21-20} = op21_20;
1994 let Inst{11-8} = op11_8;
1998 // Instruction operands.
2003 let Inst{15-12} = Vd{3-0};
2004 let Inst{22} = Vd{4};
2005 let Inst{19-16} = Vn{3-0};
2006 let Inst{7} = Vn{4};
2007 let Inst{3-0} = Vm{3-0};
2008 let Inst{5} = Vm{4};
2011 // Same as N3V except it doesn't have a data type suffix.
2012 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
2014 dag oops, dag iops, Format f, InstrItinClass itin,
2015 string opc, string asm, string cstr, list<dag> pattern>
2016 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
2017 let Inst{24} = op24;
2018 let Inst{23} = op23;
2019 let Inst{21-20} = op21_20;
2020 let Inst{11-8} = op11_8;
2024 // Instruction operands.
2029 let Inst{15-12} = Vd{3-0};
2030 let Inst{22} = Vd{4};
2031 let Inst{19-16} = Vn{3-0};
2032 let Inst{7} = Vn{4};
2033 let Inst{3-0} = Vm{3-0};
2034 let Inst{5} = Vm{4};
2037 // NEON VMOVs between scalar and core registers.
2038 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2039 dag oops, dag iops, Format f, InstrItinClass itin,
2040 string opc, string dt, string asm, list<dag> pattern>
2041 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
2043 let Inst{27-20} = opcod1;
2044 let Inst{11-8} = opcod2;
2045 let Inst{6-5} = opcod3;
2048 let OutOperandList = oops;
2049 let InOperandList = !con(iops, (ins pred:$p));
2050 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
2051 let Pattern = pattern;
2052 list<Predicate> Predicates = [HasNEON];
2054 string PostEncoderMethod = "NEONThumb2DupPostEncoder";
2061 let Inst{31-28} = p{3-0};
2063 let Inst{19-16} = V{3-0};
2064 let Inst{15-12} = R{3-0};
2066 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2067 dag oops, dag iops, InstrItinClass itin,
2068 string opc, string dt, string asm, list<dag> pattern>
2069 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
2070 opc, dt, asm, pattern>;
2071 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2072 dag oops, dag iops, InstrItinClass itin,
2073 string opc, string dt, string asm, list<dag> pattern>
2074 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
2075 opc, dt, asm, pattern>;
2076 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2077 dag oops, dag iops, InstrItinClass itin,
2078 string opc, string dt, string asm, list<dag> pattern>
2079 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
2080 opc, dt, asm, pattern>;
2082 // Vector Duplicate Lane (from scalar to all elements)
2083 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
2084 InstrItinClass itin, string opc, string dt, string asm,
2086 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
2087 let Inst{24-23} = 0b11;
2088 let Inst{21-20} = 0b11;
2089 let Inst{19-16} = op19_16;
2090 let Inst{11-7} = 0b11000;
2098 let Inst{22} = Vd{4};
2099 let Inst{15-12} = Vd{3-0};
2100 let Inst{5} = Vm{4};
2101 let Inst{3-0} = Vm{3-0};
2104 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
2105 // for single-precision FP.
2106 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
2107 list<Predicate> Predicates = [HasNEON,UseNEONForFP];