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>;
423 class AIldst1<bits<3> op, bit opc22, bit isLd, dag oops, dag iops, AddrMode am,
424 Format f, InstrItinClass itin, string opc, string asm,
426 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
428 let Inst{27-25} = op;
429 let Inst{24} = 1; // 24 == P
431 let Inst{22} = opc22;
432 let Inst{21} = 0; // 21 == W
435 // LDRH/LDRSB/LDRSH/LDRD
436 class AIldr2<bits<4> op, bit opc22, bit opc20, dag oops, dag iops, AddrMode am,
437 Format f, InstrItinClass itin, string opc, string asm,
439 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
441 let Inst{27-25} = 0b000;
442 let Inst{24} = 1; // 24 == P
444 let Inst{22} = opc22;
445 let Inst{21} = 0; // 21 == W
446 let Inst{20} = opc20;
451 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
452 string asm, list<dag> pattern>
453 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
455 let Inst{20} = 1; // L bit
456 let Inst{21} = 0; // W bit
457 let Inst{22} = 0; // B bit
458 let Inst{24} = 1; // P bit
459 let Inst{27-26} = 0b01;
461 class AXI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
462 string asm, list<dag> pattern>
463 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
465 let Inst{20} = 1; // L bit
466 let Inst{21} = 0; // W bit
467 let Inst{22} = 1; // B bit
468 let Inst{24} = 1; // P bit
469 let Inst{27-26} = 0b01;
473 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
474 string asm, list<dag> pattern>
475 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
477 let Inst{20} = 0; // L bit
478 let Inst{21} = 0; // W bit
479 let Inst{22} = 0; // B bit
480 let Inst{24} = 1; // P bit
481 let Inst{27-26} = 0b01;
483 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
484 string asm, list<dag> pattern>
485 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
487 let Inst{20} = 0; // L bit
488 let Inst{21} = 0; // W bit
489 let Inst{22} = 1; // B bit
490 let Inst{24} = 1; // P bit
491 let Inst{27-26} = 0b01;
494 // Pre-indexed load/stores
495 class AI2ldstpr<bit isLd, bit opc22, dag oops, dag iops, Format f,
496 InstrItinClass itin, string opc, string asm, string cstr,
498 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
499 opc, asm, cstr, pattern> {
500 let Inst{20} = isLd; // L bit
501 let Inst{21} = 1; // W bit
502 let Inst{22} = opc22; // B bit
503 let Inst{24} = 1; // P bit
504 let Inst{27-26} = 0b01;
507 // Post-indexed load/stores
508 class AI2ldstpo<bit isLd, bit opc22, dag oops, dag iops, Format f,
509 InstrItinClass itin, string opc, string asm, string cstr,
511 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
512 opc, asm, cstr,pattern> {
513 let Inst{20} = isLd; // L bit
514 let Inst{21} = 0; // W bit
515 let Inst{22} = opc22; // B bit
516 let Inst{24} = 0; // P bit
517 let Inst{27-26} = 0b01;
520 // addrmode3 instructions
521 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
522 string opc, string asm, list<dag> pattern>
523 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
524 opc, asm, "", pattern>;
525 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
526 string asm, list<dag> pattern>
527 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
531 class AI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
532 string opc, string asm, list<dag> pattern>
533 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
534 opc, asm, "", pattern> {
536 let Inst{5} = 1; // H bit
537 let Inst{6} = 0; // S bit
539 let Inst{20} = 1; // L bit
540 let Inst{21} = 0; // W bit
541 let Inst{24} = 1; // P bit
542 let Inst{27-25} = 0b000;
544 class AXI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
545 string asm, list<dag> pattern>
546 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
549 let Inst{5} = 1; // H bit
550 let Inst{6} = 0; // S bit
552 let Inst{20} = 1; // L bit
553 let Inst{21} = 0; // W bit
554 let Inst{24} = 1; // P bit
556 class AI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
557 string opc, string asm, list<dag> pattern>
558 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
559 opc, asm, "", pattern> {
562 let Inst{27-25} = 0b000;
563 let Inst{24} = 1; // P bit
564 let Inst{23} = addr{8}; // U bit
565 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
566 let Inst{21} = 0; // W bit
567 let Inst{20} = 1; // L bit
568 let Inst{19-16} = addr{12-9}; // Rn
569 let Inst{15-12} = Rt; // Rt
570 let Inst{11-8} = addr{7-4}; // imm7_4/zero
571 let Inst{7-4} = 0b1111;
572 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
574 class AXI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
575 string asm, list<dag> pattern>
576 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
579 let Inst{5} = 1; // H bit
580 let Inst{6} = 1; // S bit
582 let Inst{20} = 1; // L bit
583 let Inst{21} = 0; // W bit
584 let Inst{24} = 1; // P bit
586 class AI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
587 string opc, string asm, list<dag> pattern>
588 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
589 opc, asm, "", pattern> {
592 let Inst{27-25} = 0b000;
593 let Inst{24} = 1; // P bit
594 let Inst{23} = addr{8}; // U bit
595 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
596 let Inst{21} = 0; // W bit
597 let Inst{20} = 1; // L bit
598 let Inst{19-16} = addr{12-9}; // Rn
599 let Inst{15-12} = Rt; // Rt
600 let Inst{11-8} = addr{7-4}; // imm7_4/zero
601 let Inst{7-4} = 0b1101;
602 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
604 class AXI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
605 string asm, list<dag> pattern>
606 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
609 let Inst{5} = 0; // H bit
610 let Inst{6} = 1; // S bit
612 let Inst{20} = 1; // L bit
613 let Inst{21} = 0; // W bit
614 let Inst{24} = 1; // P bit
616 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
617 string opc, string asm, list<dag> pattern>
618 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
619 opc, asm, "", pattern> {
621 let Inst{5} = 0; // H bit
622 let Inst{6} = 1; // S bit
624 let Inst{20} = 0; // L bit
625 let Inst{21} = 0; // W bit
626 let Inst{24} = 1; // P bit
627 let Inst{27-25} = 0b000;
631 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
632 string opc, string asm, list<dag> pattern>
633 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
634 opc, asm, "", pattern> {
637 let Inst{27-25} = 0b000;
638 let Inst{24} = 1; // P bit
639 let Inst{23} = addr{8}; // U bit
640 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
641 let Inst{21} = 0; // W bit
642 let Inst{20} = 0; // L bit
643 let Inst{19-16} = addr{12-9}; // Rn
644 let Inst{15-12} = Rt; // Rt
645 let Inst{11-8} = addr{7-4}; // imm7_4/zero
646 let Inst{7-4} = 0b1011;
647 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
649 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
650 string asm, list<dag> pattern>
651 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
654 let Inst{5} = 1; // H bit
655 let Inst{6} = 0; // S bit
657 let Inst{20} = 0; // L bit
658 let Inst{21} = 0; // W bit
659 let Inst{24} = 1; // P bit
661 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
662 string opc, string asm, list<dag> pattern>
663 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
664 opc, asm, "", pattern> {
666 let Inst{5} = 1; // H bit
667 let Inst{6} = 1; // S bit
669 let Inst{20} = 0; // L bit
670 let Inst{21} = 0; // W bit
671 let Inst{24} = 1; // P bit
672 let Inst{27-25} = 0b000;
676 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
677 string opc, string asm, string cstr, list<dag> pattern>
678 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
679 opc, asm, cstr, pattern> {
681 let Inst{5} = 1; // H bit
682 let Inst{6} = 0; // S bit
684 let Inst{20} = 1; // L bit
685 let Inst{21} = 1; // W bit
686 let Inst{24} = 1; // P bit
687 let Inst{27-25} = 0b000;
689 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
690 string opc, string asm, string cstr, list<dag> pattern>
691 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
692 opc, asm, cstr, pattern> {
695 let Inst{27-25} = 0b000;
696 let Inst{24} = 1; // P bit
697 let Inst{23} = addr{8}; // U bit
698 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
699 let Inst{21} = 1; // W bit
700 let Inst{20} = 1; // L bit
701 let Inst{19-16} = addr{12-9}; // Rn
702 let Inst{15-12} = Rt; // Rt
703 let Inst{11-8} = addr{7-4}; // imm7_4/zero
704 let Inst{7-4} = 0b1111;
705 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
707 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
708 string opc, string asm, string cstr, list<dag> pattern>
709 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
710 opc, asm, cstr, pattern> {
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} = 1; // W bit
717 let Inst{24} = 1; // P bit
718 let Inst{27-25} = 0b000;
720 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
721 string opc, string asm, string cstr, list<dag> pattern>
722 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
723 opc, asm, cstr, pattern> {
725 let Inst{5} = 0; // H bit
726 let Inst{6} = 1; // S bit
728 let Inst{20} = 0; // L bit
729 let Inst{21} = 1; // W bit
730 let Inst{24} = 1; // P bit
731 let Inst{27-25} = 0b000;
735 // Pre-indexed stores
736 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
737 string opc, string asm, string cstr, list<dag> pattern>
738 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
739 opc, asm, cstr, pattern> {
741 let Inst{5} = 1; // H bit
742 let Inst{6} = 0; // S bit
744 let Inst{20} = 0; // L bit
745 let Inst{21} = 1; // W bit
746 let Inst{24} = 1; // P bit
747 let Inst{27-25} = 0b000;
749 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
750 string opc, string asm, string cstr, list<dag> pattern>
751 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
752 opc, asm, cstr, pattern> {
754 let Inst{5} = 1; // H bit
755 let Inst{6} = 1; // S bit
757 let Inst{20} = 0; // L bit
758 let Inst{21} = 1; // W bit
759 let Inst{24} = 1; // P bit
760 let Inst{27-25} = 0b000;
763 // Post-indexed loads
764 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
765 string opc, string asm, string cstr, list<dag> pattern>
766 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
767 opc, asm, cstr,pattern> {
769 let Inst{5} = 1; // H bit
770 let Inst{6} = 0; // S bit
772 let Inst{20} = 1; // L bit
773 let Inst{21} = 0; // W bit
774 let Inst{24} = 0; // P bit
775 let Inst{27-25} = 0b000;
777 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
778 string opc, string asm, string cstr, list<dag> pattern>
779 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
780 opc, asm, cstr,pattern> {
784 let Inst{27-25} = 0b000;
785 let Inst{24} = 0; // P bit
786 let Inst{23} = offset{8}; // U bit
787 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
788 let Inst{21} = 0; // W bit
789 let Inst{20} = 1; // L bit
790 let Inst{19-16} = Rn; // Rn
791 let Inst{15-12} = Rt; // Rt
792 let Inst{11-8} = offset{7-4}; // imm7_4/zero
793 let Inst{7-4} = 0b1111;
794 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
796 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
797 string opc, string asm, string cstr, list<dag> pattern>
798 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
799 opc, asm, cstr,pattern> {
801 let Inst{5} = 0; // H bit
802 let Inst{6} = 1; // S bit
804 let Inst{20} = 1; // L bit
805 let Inst{21} = 0; // W bit
806 let Inst{24} = 0; // P bit
807 let Inst{27-25} = 0b000;
809 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
810 string opc, string asm, string cstr, list<dag> pattern>
811 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
812 opc, asm, cstr, pattern> {
814 let Inst{5} = 0; // H bit
815 let Inst{6} = 1; // S bit
817 let Inst{20} = 0; // L bit
818 let Inst{21} = 0; // W bit
819 let Inst{24} = 0; // P bit
820 let Inst{27-25} = 0b000;
823 // Post-indexed stores
824 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
825 string opc, string asm, string cstr, list<dag> pattern>
826 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
827 opc, asm, cstr,pattern> {
829 let Inst{5} = 1; // H bit
830 let Inst{6} = 0; // S bit
832 let Inst{20} = 0; // L bit
833 let Inst{21} = 0; // W bit
834 let Inst{24} = 0; // P bit
835 let Inst{27-25} = 0b000;
837 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
838 string opc, string asm, string cstr, list<dag> pattern>
839 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
840 opc, asm, cstr, pattern> {
842 let Inst{5} = 1; // H bit
843 let Inst{6} = 1; // S bit
845 let Inst{20} = 0; // L bit
846 let Inst{21} = 0; // W bit
847 let Inst{24} = 0; // P bit
848 let Inst{27-25} = 0b000;
851 // addrmode4 instructions
852 class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
853 string asm, string cstr, list<dag> pattern>
854 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
855 asm, cstr, pattern> {
861 let Inst{27-25} = 0b100;
862 let Inst{24-23} = amode;
863 let Inst{22} = 0; // S bit
864 let Inst{20} = 1; // L bit
865 let Inst{19-16} = Rn;
866 let Inst{15-0} = dsts;
868 class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
869 string asm, string cstr, list<dag> pattern>
870 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
871 asm, cstr, pattern> {
877 let Inst{27-25} = 0b100;
878 let Inst{24-23} = amode;
879 let Inst{22} = 0; // S bit
880 let Inst{20} = 0; // L bit
881 let Inst{19-16} = Rn;
882 let Inst{15-0} = srcs;
885 // Unsigned multiply, multiply-accumulate instructions.
886 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
887 string opc, string asm, list<dag> pattern>
888 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
889 opc, asm, "", pattern> {
890 let Inst{7-4} = 0b1001;
891 let Inst{20} = 0; // S bit
892 let Inst{27-21} = opcod;
894 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
895 string opc, string asm, list<dag> pattern>
896 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
897 opc, asm, "", pattern> {
898 let Inst{7-4} = 0b1001;
899 let Inst{27-21} = opcod;
902 // Most significant word multiply
903 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
904 InstrItinClass itin, string opc, string asm, list<dag> pattern>
905 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
906 opc, asm, "", pattern> {
910 let Inst{7-4} = opc7_4;
912 let Inst{27-21} = opcod;
913 let Inst{19-16} = Rd;
917 // MSW multiple w/ Ra operand
918 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
919 InstrItinClass itin, string opc, string asm, list<dag> pattern>
920 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
922 let Inst{15-12} = Ra;
925 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
926 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
927 InstrItinClass itin, string opc, string asm, list<dag> pattern>
928 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
929 opc, asm, "", pattern> {
935 let Inst{27-21} = opcod;
936 let Inst{6-5} = bit6_5;
940 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
941 InstrItinClass itin, string opc, string asm, list<dag> pattern>
942 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
944 let Inst{19-16} = Rd;
947 // AMulxyI with Ra operand
948 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
949 InstrItinClass itin, string opc, string asm, list<dag> pattern>
950 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
952 let Inst{15-12} = Ra;
955 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
956 InstrItinClass itin, string opc, string asm, list<dag> pattern>
957 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
960 let Inst{19-16} = RdHi;
961 let Inst{15-12} = RdLo;
964 // Extend instructions.
965 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
966 string opc, string asm, list<dag> pattern>
967 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
968 opc, asm, "", pattern> {
969 // All AExtI instructions have Rd and Rm register operands.
972 let Inst{15-12} = Rd;
974 let Inst{7-4} = 0b0111;
975 let Inst{9-8} = 0b00;
976 let Inst{27-20} = opcod;
979 // Misc Arithmetic instructions.
980 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
981 InstrItinClass itin, string opc, string asm, list<dag> pattern>
982 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
983 opc, asm, "", pattern> {
986 let Inst{27-20} = opcod;
987 let Inst{19-16} = 0b1111;
988 let Inst{15-12} = Rd;
989 let Inst{11-8} = 0b1111;
990 let Inst{7-4} = opc7_4;
995 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
996 string opc, string asm, list<dag> pattern>
997 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
998 opc, asm, "", pattern> {
1003 let Inst{27-20} = opcod;
1004 let Inst{19-16} = Rn;
1005 let Inst{15-12} = Rd;
1006 let Inst{11-7} = sh{7-3};
1008 let Inst{5-4} = 0b01;
1012 //===----------------------------------------------------------------------===//
1014 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
1015 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
1016 list<Predicate> Predicates = [IsARM];
1018 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
1019 list<Predicate> Predicates = [IsARM, HasV5TE];
1021 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
1022 list<Predicate> Predicates = [IsARM, HasV6];
1025 //===----------------------------------------------------------------------===//
1027 // Thumb Instruction Format Definitions.
1030 // TI - Thumb instruction.
1032 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1033 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1034 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1035 let OutOperandList = oops;
1036 let InOperandList = iops;
1037 let AsmString = asm;
1038 let Pattern = pattern;
1039 list<Predicate> Predicates = [IsThumb];
1042 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
1043 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1045 // Two-address instructions
1046 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
1048 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
1051 // tBL, tBX 32-bit instructions
1052 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
1053 dag oops, dag iops, InstrItinClass itin, string asm,
1055 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
1057 let Inst{31-27} = opcod1;
1058 let Inst{15-14} = opcod2;
1059 let Inst{12} = opcod3;
1062 // BR_JT instructions
1063 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
1065 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1068 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1069 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1070 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1071 let OutOperandList = oops;
1072 let InOperandList = iops;
1073 let AsmString = asm;
1074 let Pattern = pattern;
1075 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1078 class T1I<dag oops, dag iops, InstrItinClass itin,
1079 string asm, list<dag> pattern>
1080 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1081 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
1082 string asm, list<dag> pattern>
1083 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1084 class T1JTI<dag oops, dag iops, InstrItinClass itin,
1085 string asm, list<dag> pattern>
1086 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1088 // Two-address instructions
1089 class T1It<dag oops, dag iops, InstrItinClass itin,
1090 string asm, string cstr, list<dag> pattern>
1091 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1092 asm, cstr, pattern>;
1094 // Thumb1 instruction that can either be predicated or set CPSR.
1095 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1096 InstrItinClass itin,
1097 string opc, string asm, string cstr, list<dag> pattern>
1098 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1099 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1100 let InOperandList = !con(iops, (ins pred:$p));
1101 let AsmString = !strconcat(opc, "${s}${p}", asm);
1102 let Pattern = pattern;
1103 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1106 class T1sI<dag oops, dag iops, InstrItinClass itin,
1107 string opc, string asm, list<dag> pattern>
1108 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1110 // Two-address instructions
1111 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1112 string opc, string asm, list<dag> pattern>
1113 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1114 "$lhs = $dst", pattern>;
1116 // Thumb1 instruction that can be predicated.
1117 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1118 InstrItinClass itin,
1119 string opc, string asm, string cstr, list<dag> pattern>
1120 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1121 let OutOperandList = oops;
1122 let InOperandList = !con(iops, (ins pred:$p));
1123 let AsmString = !strconcat(opc, "${p}", asm);
1124 let Pattern = pattern;
1125 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1128 class T1pI<dag oops, dag iops, InstrItinClass itin,
1129 string opc, string asm, list<dag> pattern>
1130 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1132 // Two-address instructions
1133 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1134 string opc, string asm, list<dag> pattern>
1135 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1136 "$lhs = $dst", pattern>;
1138 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1139 string opc, string asm, list<dag> pattern>
1140 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1141 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1142 string opc, string asm, list<dag> pattern>
1143 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1144 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1145 string opc, string asm, list<dag> pattern>
1146 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1147 class T1pIs<dag oops, dag iops,
1148 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1149 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1151 class Encoding16 : Encoding {
1152 let Inst{31-16} = 0x0000;
1155 // A6.2 16-bit Thumb instruction encoding
1156 class T1Encoding<bits<6> opcode> : Encoding16 {
1157 let Inst{15-10} = opcode;
1160 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1161 class T1General<bits<5> opcode> : Encoding16 {
1162 let Inst{15-14} = 0b00;
1163 let Inst{13-9} = opcode;
1166 // A6.2.2 Data-processing encoding.
1167 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1168 let Inst{15-10} = 0b010000;
1169 let Inst{9-6} = opcode;
1172 // A6.2.3 Special data instructions and branch and exchange encoding.
1173 class T1Special<bits<4> opcode> : Encoding16 {
1174 let Inst{15-10} = 0b010001;
1175 let Inst{9-6} = opcode;
1178 // A6.2.4 Load/store single data item encoding.
1179 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1180 let Inst{15-12} = opA;
1181 let Inst{11-9} = opB;
1183 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1184 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1185 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1186 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1187 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1189 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1190 class T1Misc<bits<7> opcode> : Encoding16 {
1191 let Inst{15-12} = 0b1011;
1192 let Inst{11-5} = opcode;
1195 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1196 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1197 InstrItinClass itin,
1198 string opc, string asm, string cstr, list<dag> pattern>
1199 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1200 let OutOperandList = oops;
1201 let InOperandList = !con(iops, (ins pred:$p));
1202 let AsmString = !strconcat(opc, "${p}", asm);
1203 let Pattern = pattern;
1204 list<Predicate> Predicates = [IsThumb2];
1207 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1208 // input operand since by default it's a zero register. It will become an
1209 // implicit def once it's "flipped".
1211 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1213 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1214 InstrItinClass itin,
1215 string opc, string asm, string cstr, list<dag> pattern>
1216 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1217 let OutOperandList = oops;
1218 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1219 let AsmString = !strconcat(opc, "${s}${p}", asm);
1220 let Pattern = pattern;
1221 list<Predicate> Predicates = [IsThumb2];
1225 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1226 InstrItinClass itin,
1227 string asm, string cstr, list<dag> pattern>
1228 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1229 let OutOperandList = oops;
1230 let InOperandList = iops;
1231 let AsmString = asm;
1232 let Pattern = pattern;
1233 list<Predicate> Predicates = [IsThumb2];
1236 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1237 InstrItinClass itin,
1238 string asm, string cstr, list<dag> pattern>
1239 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1240 let OutOperandList = oops;
1241 let InOperandList = iops;
1242 let AsmString = asm;
1243 let Pattern = pattern;
1244 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1247 class T2I<dag oops, dag iops, InstrItinClass itin,
1248 string opc, string asm, list<dag> pattern>
1249 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1250 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1251 string opc, string asm, list<dag> pattern>
1252 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1253 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1254 string opc, string asm, list<dag> pattern>
1255 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1256 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1257 string opc, string asm, list<dag> pattern>
1258 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1259 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1260 string opc, string asm, list<dag> pattern>
1261 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1262 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1263 string opc, string asm, list<dag> pattern>
1264 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1266 let Inst{31-27} = 0b11101;
1267 let Inst{26-25} = 0b00;
1269 let Inst{23} = ?; // The U bit.
1272 let Inst{20} = load;
1275 class T2sI<dag oops, dag iops, InstrItinClass itin,
1276 string opc, string asm, list<dag> pattern>
1277 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1279 class T2XI<dag oops, dag iops, InstrItinClass itin,
1280 string asm, list<dag> pattern>
1281 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1282 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1283 string asm, list<dag> pattern>
1284 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1286 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1287 string opc, string asm, list<dag> pattern>
1288 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1290 // Two-address instructions
1291 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1292 string asm, string cstr, list<dag> pattern>
1293 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1295 // T2Iidxldst - Thumb2 indexed load / store instructions.
1296 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1298 AddrMode am, IndexMode im, InstrItinClass itin,
1299 string opc, string asm, string cstr, list<dag> pattern>
1300 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1301 let OutOperandList = oops;
1302 let InOperandList = !con(iops, (ins pred:$p));
1303 let AsmString = !strconcat(opc, "${p}", asm);
1304 let Pattern = pattern;
1305 list<Predicate> Predicates = [IsThumb2];
1306 let Inst{31-27} = 0b11111;
1307 let Inst{26-25} = 0b00;
1308 let Inst{24} = signed;
1310 let Inst{22-21} = opcod;
1311 let Inst{20} = load;
1313 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1314 let Inst{10} = pre; // The P bit.
1315 let Inst{8} = 1; // The W bit.
1318 // Helper class for disassembly only
1319 // A6.3.16 & A6.3.17
1320 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1321 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1322 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1323 : T2I<oops, iops, itin, opc, asm, pattern> {
1324 let Inst{31-27} = 0b11111;
1325 let Inst{26-24} = 0b011;
1326 let Inst{23} = long;
1327 let Inst{22-20} = op22_20;
1328 let Inst{7-4} = op7_4;
1331 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1332 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1333 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1336 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1337 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1338 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1341 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1342 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1343 list<Predicate> Predicates = [IsThumb2];
1346 //===----------------------------------------------------------------------===//
1348 //===----------------------------------------------------------------------===//
1349 // ARM VFP Instruction templates.
1352 // Almost all VFP instructions are predicable.
1353 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1354 IndexMode im, Format f, InstrItinClass itin,
1355 string opc, string asm, string cstr, list<dag> pattern>
1356 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1358 let Inst{31-28} = p;
1359 let OutOperandList = oops;
1360 let InOperandList = !con(iops, (ins pred:$p));
1361 let AsmString = !strconcat(opc, "${p}", asm);
1362 let Pattern = pattern;
1363 list<Predicate> Predicates = [HasVFP2];
1367 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1368 IndexMode im, Format f, InstrItinClass itin,
1369 string asm, string cstr, list<dag> pattern>
1370 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1371 let OutOperandList = oops;
1372 let InOperandList = iops;
1373 let AsmString = asm;
1374 let Pattern = pattern;
1375 list<Predicate> Predicates = [HasVFP2];
1378 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1379 string opc, string asm, list<dag> pattern>
1380 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1381 opc, asm, "", pattern>;
1383 // ARM VFP addrmode5 loads and stores
1384 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1385 InstrItinClass itin,
1386 string opc, string asm, list<dag> pattern>
1387 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1388 VFPLdStFrm, itin, opc, asm, "", pattern> {
1389 // Instruction operands.
1393 // Encode instruction operands.
1394 let Inst{23} = addr{8}; // U (add = (U == '1'))
1395 let Inst{22} = Dd{4};
1396 let Inst{19-16} = addr{12-9}; // Rn
1397 let Inst{15-12} = Dd{3-0};
1398 let Inst{7-0} = addr{7-0}; // imm8
1400 // TODO: Mark the instructions with the appropriate subtarget info.
1401 let Inst{27-24} = opcod1;
1402 let Inst{21-20} = opcod2;
1403 let Inst{11-9} = 0b101;
1404 let Inst{8} = 1; // Double precision
1406 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1407 let D = VFPNeonDomain;
1410 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1411 InstrItinClass itin,
1412 string opc, string asm, list<dag> pattern>
1413 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1414 VFPLdStFrm, itin, opc, asm, "", pattern> {
1415 // Instruction operands.
1419 // Encode instruction operands.
1420 let Inst{23} = addr{8}; // U (add = (U == '1'))
1421 let Inst{22} = Sd{0};
1422 let Inst{19-16} = addr{12-9}; // Rn
1423 let Inst{15-12} = Sd{4-1};
1424 let Inst{7-0} = addr{7-0}; // imm8
1426 // TODO: Mark the instructions with the appropriate subtarget info.
1427 let Inst{27-24} = opcod1;
1428 let Inst{21-20} = opcod2;
1429 let Inst{11-9} = 0b101;
1430 let Inst{8} = 0; // Single precision
1433 // VFP Load / store multiple pseudo instructions.
1434 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1436 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1438 let OutOperandList = oops;
1439 let InOperandList = !con(iops, (ins pred:$p));
1440 let Pattern = pattern;
1441 list<Predicate> Predicates = [HasVFP2];
1444 // Load / store multiple
1445 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1446 string asm, string cstr, list<dag> pattern>
1447 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1448 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1449 // TODO: Mark the instructions with the appropriate subtarget info.
1450 let Inst{27-25} = 0b110;
1451 let Inst{11-9} = 0b101;
1452 let Inst{8} = 1; // Double precision
1454 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1455 let D = VFPNeonDomain;
1458 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1459 string asm, string cstr, list<dag> pattern>
1460 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1461 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1462 // TODO: Mark the instructions with the appropriate subtarget info.
1463 let Inst{27-25} = 0b110;
1464 let Inst{11-9} = 0b101;
1465 let Inst{8} = 0; // Single precision
1468 // Double precision, unary
1469 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1470 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1471 string asm, list<dag> pattern>
1472 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1473 // Instruction operands.
1477 // Encode instruction operands.
1478 let Inst{3-0} = Dm{3-0};
1479 let Inst{5} = Dm{4};
1480 let Inst{15-12} = Dd{3-0};
1481 let Inst{22} = Dd{4};
1483 let Inst{27-23} = opcod1;
1484 let Inst{21-20} = opcod2;
1485 let Inst{19-16} = opcod3;
1486 let Inst{11-9} = 0b101;
1487 let Inst{8} = 1; // Double precision
1488 let Inst{7-6} = opcod4;
1489 let Inst{4} = opcod5;
1492 // Double precision, binary
1493 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1494 dag iops, InstrItinClass itin, string opc, string asm,
1496 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1497 // Instruction operands.
1502 // Encode instruction operands.
1503 let Inst{3-0} = Dm{3-0};
1504 let Inst{5} = Dm{4};
1505 let Inst{19-16} = Dn{3-0};
1506 let Inst{7} = Dn{4};
1507 let Inst{15-12} = Dd{3-0};
1508 let Inst{22} = Dd{4};
1510 let Inst{27-23} = opcod1;
1511 let Inst{21-20} = opcod2;
1512 let Inst{11-9} = 0b101;
1513 let Inst{8} = 1; // Double precision
1518 // Single precision, unary
1519 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1520 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1521 string asm, list<dag> pattern>
1522 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1523 // Instruction operands.
1527 // Encode instruction operands.
1528 let Inst{3-0} = Sm{4-1};
1529 let Inst{5} = Sm{0};
1530 let Inst{15-12} = Sd{4-1};
1531 let Inst{22} = Sd{0};
1533 let Inst{27-23} = opcod1;
1534 let Inst{21-20} = opcod2;
1535 let Inst{19-16} = opcod3;
1536 let Inst{11-9} = 0b101;
1537 let Inst{8} = 0; // Single precision
1538 let Inst{7-6} = opcod4;
1539 let Inst{4} = opcod5;
1542 // Single precision unary, if no NEON
1543 // Same as ASuI except not available if NEON is enabled
1544 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1545 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1546 string asm, list<dag> pattern>
1547 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1549 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1552 // Single precision, binary
1553 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1554 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1555 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1556 // Instruction operands.
1561 // Encode instruction operands.
1562 let Inst{3-0} = Sm{4-1};
1563 let Inst{5} = Sm{0};
1564 let Inst{19-16} = Sn{4-1};
1565 let Inst{7} = Sn{0};
1566 let Inst{15-12} = Sd{4-1};
1567 let Inst{22} = Sd{0};
1569 let Inst{27-23} = opcod1;
1570 let Inst{21-20} = opcod2;
1571 let Inst{11-9} = 0b101;
1572 let Inst{8} = 0; // Single precision
1577 // Single precision binary, if no NEON
1578 // Same as ASbI except not available if NEON is enabled
1579 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1580 dag iops, InstrItinClass itin, string opc, string asm,
1582 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1583 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1585 // Instruction operands.
1590 // Encode instruction operands.
1591 let Inst{3-0} = Sm{4-1};
1592 let Inst{5} = Sm{0};
1593 let Inst{19-16} = Sn{4-1};
1594 let Inst{7} = Sn{0};
1595 let Inst{15-12} = Sd{4-1};
1596 let Inst{22} = Sd{0};
1599 // VFP conversion instructions
1600 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1601 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1603 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1604 let Inst{27-23} = opcod1;
1605 let Inst{21-20} = opcod2;
1606 let Inst{19-16} = opcod3;
1607 let Inst{11-8} = opcod4;
1612 // VFP conversion between floating-point and fixed-point
1613 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1614 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1616 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1617 // size (fixed-point number): sx == 0 ? 16 : 32
1618 let Inst{7} = op5; // sx
1621 // VFP conversion instructions, if no NEON
1622 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1623 dag oops, dag iops, InstrItinClass itin,
1624 string opc, string asm, list<dag> pattern>
1625 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1627 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1630 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1631 InstrItinClass itin,
1632 string opc, string asm, list<dag> pattern>
1633 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1634 let Inst{27-20} = opcod1;
1635 let Inst{11-8} = opcod2;
1639 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1640 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1641 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1643 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1644 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1645 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1647 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1648 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1649 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1651 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1652 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1653 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1655 //===----------------------------------------------------------------------===//
1657 //===----------------------------------------------------------------------===//
1658 // ARM NEON Instruction templates.
1661 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1662 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1664 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1665 let OutOperandList = oops;
1666 let InOperandList = !con(iops, (ins pred:$p));
1667 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1668 let Pattern = pattern;
1669 list<Predicate> Predicates = [HasNEON];
1672 // Same as NeonI except it does not have a "data type" specifier.
1673 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1674 InstrItinClass itin, string opc, string asm, string cstr,
1676 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1677 let OutOperandList = oops;
1678 let InOperandList = !con(iops, (ins pred:$p));
1679 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1680 let Pattern = pattern;
1681 list<Predicate> Predicates = [HasNEON];
1684 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1685 dag oops, dag iops, InstrItinClass itin,
1686 string opc, string dt, string asm, string cstr, list<dag> pattern>
1687 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1689 let Inst{31-24} = 0b11110100;
1690 let Inst{23} = op23;
1691 let Inst{21-20} = op21_20;
1692 let Inst{11-8} = op11_8;
1693 let Inst{7-4} = op7_4;
1695 string PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1701 let Inst{22} = Vd{4};
1702 let Inst{15-12} = Vd{3-0};
1703 let Inst{19-16} = Rn{3-0};
1704 let Inst{3-0} = Rm{3-0};
1707 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1708 dag oops, dag iops, InstrItinClass itin,
1709 string opc, string dt, string asm, string cstr, list<dag> pattern>
1710 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1711 dt, asm, cstr, pattern> {
1715 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1716 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1718 let OutOperandList = oops;
1719 let InOperandList = !con(iops, (ins pred:$p));
1720 list<Predicate> Predicates = [HasNEON];
1723 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1725 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1727 let OutOperandList = oops;
1728 let InOperandList = !con(iops, (ins pred:$p));
1729 let Pattern = pattern;
1730 list<Predicate> Predicates = [HasNEON];
1733 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1734 string opc, string dt, string asm, string cstr, list<dag> pattern>
1735 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1737 let Inst{31-25} = 0b1111001;
1738 string PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1741 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1742 string opc, string asm, string cstr, list<dag> pattern>
1743 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1745 let Inst{31-25} = 0b1111001;
1748 // NEON "one register and a modified immediate" format.
1749 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1751 dag oops, dag iops, InstrItinClass itin,
1752 string opc, string dt, string asm, string cstr,
1754 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1755 let Inst{23} = op23;
1756 let Inst{21-19} = op21_19;
1757 let Inst{11-8} = op11_8;
1763 // Instruction operands.
1767 let Inst{15-12} = Vd{3-0};
1768 let Inst{22} = Vd{4};
1769 let Inst{24} = SIMM{7};
1770 let Inst{18-16} = SIMM{6-4};
1771 let Inst{3-0} = SIMM{3-0};
1774 // NEON 2 vector register format.
1775 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1776 bits<5> op11_7, bit op6, bit op4,
1777 dag oops, dag iops, InstrItinClass itin,
1778 string opc, string dt, string asm, string cstr, list<dag> pattern>
1779 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1780 let Inst{24-23} = op24_23;
1781 let Inst{21-20} = op21_20;
1782 let Inst{19-18} = op19_18;
1783 let Inst{17-16} = op17_16;
1784 let Inst{11-7} = op11_7;
1788 // Instruction operands.
1792 let Inst{15-12} = Vd{3-0};
1793 let Inst{22} = Vd{4};
1794 let Inst{3-0} = Vm{3-0};
1795 let Inst{5} = Vm{4};
1798 // Same as N2V except it doesn't have a datatype suffix.
1799 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1800 bits<5> op11_7, bit op6, bit op4,
1801 dag oops, dag iops, InstrItinClass itin,
1802 string opc, string asm, string cstr, list<dag> pattern>
1803 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1804 let Inst{24-23} = op24_23;
1805 let Inst{21-20} = op21_20;
1806 let Inst{19-18} = op19_18;
1807 let Inst{17-16} = op17_16;
1808 let Inst{11-7} = op11_7;
1812 // Instruction operands.
1816 let Inst{15-12} = Vd{3-0};
1817 let Inst{22} = Vd{4};
1818 let Inst{3-0} = Vm{3-0};
1819 let Inst{5} = Vm{4};
1822 // NEON 2 vector register with immediate.
1823 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1824 dag oops, dag iops, Format f, InstrItinClass itin,
1825 string opc, string dt, string asm, string cstr, list<dag> pattern>
1826 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1827 let Inst{24} = op24;
1828 let Inst{23} = op23;
1829 let Inst{11-8} = op11_8;
1834 // Instruction operands.
1839 let Inst{15-12} = Vd{3-0};
1840 let Inst{22} = Vd{4};
1841 let Inst{3-0} = Vm{3-0};
1842 let Inst{5} = Vm{4};
1843 let Inst{21-16} = SIMM{5-0};
1846 // NEON 3 vector register format.
1847 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1848 dag oops, dag iops, Format f, InstrItinClass itin,
1849 string opc, string dt, string asm, string cstr, list<dag> pattern>
1850 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1851 let Inst{24} = op24;
1852 let Inst{23} = op23;
1853 let Inst{21-20} = op21_20;
1854 let Inst{11-8} = op11_8;
1858 // Instruction operands.
1863 let Inst{15-12} = Vd{3-0};
1864 let Inst{22} = Vd{4};
1865 let Inst{19-16} = Vn{3-0};
1866 let Inst{7} = Vn{4};
1867 let Inst{3-0} = Vm{3-0};
1868 let Inst{5} = Vm{4};
1871 // Same as N3V except it doesn't have a data type suffix.
1872 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1874 dag oops, dag iops, Format f, InstrItinClass itin,
1875 string opc, string asm, string cstr, list<dag> pattern>
1876 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1877 let Inst{24} = op24;
1878 let Inst{23} = op23;
1879 let Inst{21-20} = op21_20;
1880 let Inst{11-8} = op11_8;
1884 // Instruction operands.
1889 let Inst{15-12} = Vd{3-0};
1890 let Inst{22} = Vd{4};
1891 let Inst{19-16} = Vn{3-0};
1892 let Inst{7} = Vn{4};
1893 let Inst{3-0} = Vm{3-0};
1894 let Inst{5} = Vm{4};
1897 // NEON VMOVs between scalar and core registers.
1898 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1899 dag oops, dag iops, Format f, InstrItinClass itin,
1900 string opc, string dt, string asm, list<dag> pattern>
1901 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1903 let Inst{27-20} = opcod1;
1904 let Inst{11-8} = opcod2;
1905 let Inst{6-5} = opcod3;
1908 let OutOperandList = oops;
1909 let InOperandList = !con(iops, (ins pred:$p));
1910 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1911 let Pattern = pattern;
1912 list<Predicate> Predicates = [HasNEON];
1914 string PostEncoderMethod = "NEONThumb2DupPostEncoder";
1921 let Inst{31-28} = p{3-0};
1923 let Inst{19-16} = V{3-0};
1924 let Inst{15-12} = R{3-0};
1926 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1927 dag oops, dag iops, InstrItinClass itin,
1928 string opc, string dt, string asm, list<dag> pattern>
1929 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1930 opc, dt, asm, pattern>;
1931 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1932 dag oops, dag iops, InstrItinClass itin,
1933 string opc, string dt, string asm, list<dag> pattern>
1934 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1935 opc, dt, asm, pattern>;
1936 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1937 dag oops, dag iops, InstrItinClass itin,
1938 string opc, string dt, string asm, list<dag> pattern>
1939 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1940 opc, dt, asm, pattern>;
1942 // Vector Duplicate Lane (from scalar to all elements)
1943 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1944 InstrItinClass itin, string opc, string dt, string asm,
1946 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1947 let Inst{24-23} = 0b11;
1948 let Inst{21-20} = 0b11;
1949 let Inst{19-16} = op19_16;
1950 let Inst{11-7} = 0b11000;
1958 let Inst{22} = Vd{4};
1959 let Inst{15-12} = Vd{3-0};
1960 let Inst{5} = Vm{4};
1961 let Inst{3-0} = Vm{3-0};
1964 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1965 // for single-precision FP.
1966 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1967 list<Predicate> Predicates = [HasNEON,UseNEONForFP];