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 let 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 let 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, list<dag> pattern>
238 // FIXME: This really should derive from InstTemplate instead, as pseudos
239 // don't need encoding information. TableGen doesn't like that
240 // currently. Need to figure out why and fix it.
241 : InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
243 let OutOperandList = oops;
244 let InOperandList = iops;
245 let Pattern = pattern;
248 // PseudoInst that's ARM-mode only.
249 class ARMPseudoInst<dag oops, dag iops, InstrItinClass itin,
251 : PseudoInst<oops, iops, itin, pattern> {
252 // Default these to 4byte size, as they're almost always expanded to a
253 // single instruction. Any exceptions can override the SZ field value.
255 list<Predicate> Predicates = [IsARM];
259 // Almost all ARM instructions are predicable.
260 class I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
261 IndexMode im, Format f, InstrItinClass itin,
262 string opc, string asm, string cstr,
264 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
267 let OutOperandList = oops;
268 let InOperandList = !con(iops, (ins pred:$p));
269 let AsmString = !strconcat(opc, "${p}", asm);
270 let Pattern = pattern;
271 list<Predicate> Predicates = [IsARM];
274 // A few are not predicable
275 class InoP<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
276 IndexMode im, Format f, InstrItinClass itin,
277 string opc, string asm, string cstr,
279 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
280 let OutOperandList = oops;
281 let InOperandList = iops;
282 let AsmString = !strconcat(opc, asm);
283 let Pattern = pattern;
284 let isPredicable = 0;
285 list<Predicate> Predicates = [IsARM];
288 // Same as I except it can optionally modify CPSR. Note it's modeled as an input
289 // operand since by default it's a zero register. It will become an implicit def
290 // once it's "flipped".
291 class sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
292 IndexMode im, Format f, InstrItinClass itin,
293 string opc, string asm, string cstr,
295 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
296 bits<4> p; // Predicate operand
297 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
301 let OutOperandList = oops;
302 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
303 let AsmString = !strconcat(opc, "${s}${p}", asm);
304 let Pattern = pattern;
305 list<Predicate> Predicates = [IsARM];
309 class XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
310 IndexMode im, Format f, InstrItinClass itin,
311 string asm, string cstr, list<dag> pattern>
312 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
313 let OutOperandList = oops;
314 let InOperandList = iops;
316 let Pattern = pattern;
317 list<Predicate> Predicates = [IsARM];
320 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
321 string opc, string asm, list<dag> pattern>
322 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
323 opc, asm, "", pattern>;
324 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
325 string opc, string asm, list<dag> pattern>
326 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
327 opc, asm, "", pattern>;
328 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
329 string asm, list<dag> pattern>
330 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
332 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
333 string opc, string asm, list<dag> pattern>
334 : InoP<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
335 opc, asm, "", pattern>;
337 // Ctrl flow instructions
338 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
339 string opc, string asm, list<dag> pattern>
340 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
341 opc, asm, "", pattern> {
342 let Inst{27-24} = opcod;
344 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
345 string asm, list<dag> pattern>
346 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
348 let Inst{27-24} = opcod;
350 class ABXIx2<dag oops, dag iops, InstrItinClass itin,
351 string asm, list<dag> pattern>
352 : XI<oops, iops, AddrModeNone, Size8Bytes, IndexModeNone, Pseudo, itin,
355 // BR_JT instructions
356 class JTI<dag oops, dag iops, InstrItinClass itin,
357 string asm, list<dag> pattern>
358 : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin,
361 // Atomic load/store instructions
362 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
363 string opc, string asm, list<dag> pattern>
364 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
365 opc, asm, "", pattern> {
368 let Inst{27-23} = 0b00011;
369 let Inst{22-21} = opcod;
371 let Inst{19-16} = Rn;
372 let Inst{15-12} = Rt;
373 let Inst{11-0} = 0b111110011111;
375 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
376 string opc, string asm, list<dag> pattern>
377 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
378 opc, asm, "", pattern> {
382 let Inst{27-23} = 0b00011;
383 let Inst{22-21} = opcod;
385 let Inst{19-16} = Rn;
386 let Inst{15-12} = Rd;
387 let Inst{11-4} = 0b11111001;
390 class AIswp<bit b, dag oops, dag iops, string opc, list<dag> pattern>
391 : AI<oops, iops, MiscFrm, NoItinerary, opc, "\t$Rt, $Rt2, [$Rn]", pattern> {
395 let Inst{27-23} = 0b00010;
397 let Inst{21-20} = 0b00;
398 let Inst{19-16} = Rn;
399 let Inst{15-12} = Rt;
400 let Inst{11-4} = 0b00001001;
404 // addrmode1 instructions
405 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
406 string opc, string asm, list<dag> pattern>
407 : I<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
408 opc, asm, "", pattern> {
409 let Inst{24-21} = opcod;
410 let Inst{27-26} = 0b00;
412 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
413 string opc, string asm, list<dag> pattern>
414 : sI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
415 opc, asm, "", pattern> {
416 let Inst{24-21} = opcod;
417 let Inst{27-26} = 0b00;
419 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
420 string asm, list<dag> pattern>
421 : XI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
423 let Inst{24-21} = opcod;
424 let Inst{27-26} = 0b00;
426 class AI1x2<dag oops, dag iops, Format f, InstrItinClass itin,
427 string opc, string asm, list<dag> pattern>
428 : I<oops, iops, AddrMode1, Size8Bytes, IndexModeNone, f, itin,
429 opc, asm, "", pattern>;
435 class AIldst1<bits<3> op, bit isLd, bit isByte, dag oops, dag iops, AddrMode am,
436 Format f, InstrItinClass itin, string opc, string asm,
438 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
440 let Inst{27-25} = op;
441 let Inst{24} = 1; // 24 == P
443 let Inst{22} = isByte;
444 let Inst{21} = 0; // 21 == W
447 // Indexed load/stores
448 class AI2ldstidx<bit isLd, bit isByte, bit isPre, dag oops, dag iops,
449 IndexMode im, Format f, InstrItinClass itin, string opc,
450 string asm, string cstr, list<dag> pattern>
451 : I<oops, iops, AddrMode2, Size4Bytes, im, f, itin,
452 opc, asm, cstr, pattern> {
454 let Inst{27-26} = 0b01;
455 let Inst{24} = isPre; // P bit
456 let Inst{22} = isByte; // B bit
457 let Inst{21} = isPre; // W bit
458 let Inst{20} = isLd; // L bit
459 let Inst{15-12} = Rt;
462 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
463 string asm, list<dag> pattern>
464 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
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 AXI2ldb<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} = 1; // B bit
479 let Inst{24} = 1; // P bit
480 let Inst{27-26} = 0b01;
484 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
485 string asm, list<dag> pattern>
486 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
488 let Inst{20} = 0; // L bit
489 let Inst{21} = 0; // W bit
490 let Inst{22} = 0; // B bit
491 let Inst{24} = 1; // P bit
492 let Inst{27-26} = 0b01;
494 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
495 string asm, list<dag> pattern>
496 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
498 let Inst{20} = 0; // L bit
499 let Inst{21} = 0; // W bit
500 let Inst{22} = 1; // B bit
501 let Inst{24} = 1; // P bit
502 let Inst{27-26} = 0b01;
505 // addrmode3 instructions
506 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
507 string opc, string asm, list<dag> pattern>
508 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
509 opc, asm, "", pattern>;
510 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
511 string asm, list<dag> pattern>
512 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
516 class AI3ld<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
517 string opc, string asm, list<dag> pattern>
518 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
519 opc, asm, "", pattern> {
522 let Inst{27-25} = 0b000;
523 let Inst{24} = 1; // P bit
524 let Inst{23} = addr{8}; // U bit
525 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
526 let Inst{21} = 0; // W bit
527 let Inst{20} = 1; // L bit
528 let Inst{19-16} = addr{12-9}; // Rn
529 let Inst{15-12} = Rt; // Rt
530 let Inst{11-8} = addr{7-4}; // imm7_4/zero
532 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
535 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
536 string opc, string asm, list<dag> pattern>
537 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
538 opc, asm, "", pattern> {
540 let Inst{5} = 0; // H bit
541 let Inst{6} = 1; // S bit
543 let Inst{20} = 0; // L bit
544 let Inst{21} = 0; // W bit
545 let Inst{24} = 1; // P bit
546 let Inst{27-25} = 0b000;
550 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
551 string opc, string asm, list<dag> pattern>
552 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
553 opc, asm, "", pattern> {
556 let Inst{27-25} = 0b000;
557 let Inst{24} = 1; // P bit
558 let Inst{23} = addr{8}; // U bit
559 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
560 let Inst{21} = 0; // W bit
561 let Inst{20} = 0; // L bit
562 let Inst{19-16} = addr{12-9}; // Rn
563 let Inst{15-12} = Rt; // Rt
564 let Inst{11-8} = addr{7-4}; // imm7_4/zero
565 let Inst{7-4} = 0b1011;
566 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
568 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
569 string asm, list<dag> pattern>
570 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
573 let Inst{5} = 1; // H bit
574 let Inst{6} = 0; // S bit
576 let Inst{20} = 0; // L bit
577 let Inst{21} = 0; // W bit
578 let Inst{24} = 1; // P bit
580 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
581 string opc, string asm, list<dag> pattern>
582 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
583 opc, asm, "", pattern> {
585 let Inst{5} = 1; // H bit
586 let Inst{6} = 1; // S bit
588 let Inst{20} = 0; // L bit
589 let Inst{21} = 0; // W bit
590 let Inst{24} = 1; // P bit
591 let Inst{27-25} = 0b000;
595 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
596 string opc, string asm, string cstr, list<dag> pattern>
597 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
598 opc, asm, cstr, pattern> {
600 let Inst{5} = 1; // H bit
601 let Inst{6} = 0; // S bit
603 let Inst{20} = 1; // L bit
604 let Inst{21} = 1; // W bit
605 let Inst{24} = 1; // P bit
606 let Inst{27-25} = 0b000;
608 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
609 string opc, string asm, string cstr, list<dag> pattern>
610 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
611 opc, asm, cstr, pattern> {
614 let Inst{27-25} = 0b000;
615 let Inst{24} = 1; // P bit
616 let Inst{23} = addr{8}; // U bit
617 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
618 let Inst{21} = 1; // W bit
619 let Inst{20} = 1; // L bit
620 let Inst{19-16} = addr{12-9}; // Rn
621 let Inst{15-12} = Rt; // Rt
622 let Inst{11-8} = addr{7-4}; // imm7_4/zero
623 let Inst{7-4} = 0b1111;
624 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
626 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
627 string opc, string asm, string cstr, list<dag> pattern>
628 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
629 opc, asm, cstr, pattern> {
631 let Inst{5} = 0; // H bit
632 let Inst{6} = 1; // S bit
634 let Inst{20} = 1; // L bit
635 let Inst{21} = 1; // W bit
636 let Inst{24} = 1; // P bit
637 let Inst{27-25} = 0b000;
639 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
640 string opc, string asm, string cstr, list<dag> pattern>
641 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
642 opc, asm, cstr, pattern> {
644 let Inst{5} = 0; // H bit
645 let Inst{6} = 1; // S bit
647 let Inst{20} = 0; // L bit
648 let Inst{21} = 1; // W bit
649 let Inst{24} = 1; // P bit
650 let Inst{27-25} = 0b000;
654 // Pre-indexed stores
655 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
656 string opc, string asm, string cstr, list<dag> pattern>
657 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
658 opc, asm, cstr, pattern> {
660 let Inst{5} = 1; // H bit
661 let Inst{6} = 0; // S bit
663 let Inst{20} = 0; // L bit
664 let Inst{21} = 1; // W bit
665 let Inst{24} = 1; // P bit
666 let Inst{27-25} = 0b000;
668 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
669 string opc, string asm, string cstr, list<dag> pattern>
670 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
671 opc, asm, cstr, pattern> {
673 let Inst{5} = 1; // H bit
674 let Inst{6} = 1; // S bit
676 let Inst{20} = 0; // L bit
677 let Inst{21} = 1; // W bit
678 let Inst{24} = 1; // P bit
679 let Inst{27-25} = 0b000;
682 // Post-indexed loads
683 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
684 string opc, string asm, string cstr, list<dag> pattern>
685 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
686 opc, asm, cstr,pattern> {
690 let Inst{27-25} = 0b000;
691 let Inst{24} = 0; // P bit
692 let Inst{23} = offset{8}; // U bit
693 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
694 let Inst{21} = 0; // W bit
695 let Inst{20} = 1; // L bit
696 let Inst{19-16} = Rn; // Rn
697 let Inst{15-12} = Rt; // Rt
698 let Inst{11-8} = offset{7-4}; // imm7_4/zero
699 let Inst{7-4} = 0b1011;
700 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
702 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
703 string opc, string asm, string cstr, list<dag> pattern>
704 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
705 opc, asm, cstr,pattern> {
709 let Inst{27-25} = 0b000;
710 let Inst{24} = 0; // P bit
711 let Inst{23} = offset{8}; // U bit
712 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
713 let Inst{21} = 0; // W bit
714 let Inst{20} = 1; // L bit
715 let Inst{19-16} = Rn; // Rn
716 let Inst{15-12} = Rt; // Rt
717 let Inst{11-8} = offset{7-4}; // imm7_4/zero
718 let Inst{7-4} = 0b1111;
719 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
721 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
722 string opc, string asm, string cstr, list<dag> pattern>
723 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
724 opc, asm, cstr,pattern> {
726 let Inst{5} = 0; // H bit
727 let Inst{6} = 1; // S bit
729 let Inst{20} = 1; // L bit
730 let Inst{21} = 0; // W bit
731 let Inst{24} = 0; // P bit
732 let Inst{27-25} = 0b000;
734 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
735 string opc, string asm, string cstr, list<dag> pattern>
736 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
737 opc, asm, cstr, pattern> {
739 let Inst{5} = 0; // H bit
740 let Inst{6} = 1; // S bit
742 let Inst{20} = 0; // L bit
743 let Inst{21} = 0; // W bit
744 let Inst{24} = 0; // P bit
745 let Inst{27-25} = 0b000;
748 // Post-indexed stores
749 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
750 string opc, string asm, string cstr, list<dag> pattern>
751 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
752 opc, asm, cstr,pattern> {
754 let Inst{5} = 1; // H bit
755 let Inst{6} = 0; // S bit
757 let Inst{20} = 0; // L bit
758 let Inst{21} = 0; // W bit
759 let Inst{24} = 0; // P bit
760 let Inst{27-25} = 0b000;
762 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
763 string opc, string asm, string cstr, list<dag> pattern>
764 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
765 opc, asm, cstr, pattern> {
767 let Inst{5} = 1; // H bit
768 let Inst{6} = 1; // S bit
770 let Inst{20} = 0; // L bit
771 let Inst{21} = 0; // W bit
772 let Inst{24} = 0; // P bit
773 let Inst{27-25} = 0b000;
776 // addrmode4 instructions
777 class AXI4<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
778 string asm, string cstr, list<dag> pattern>
779 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin, asm, cstr, pattern> {
784 let Inst{27-25} = 0b100;
785 let Inst{22} = 0; // S bit
786 let Inst{19-16} = Rn;
787 let Inst{15-0} = regs;
790 // Unsigned multiply, multiply-accumulate instructions.
791 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
792 string opc, string asm, list<dag> pattern>
793 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
794 opc, asm, "", pattern> {
795 let Inst{7-4} = 0b1001;
796 let Inst{20} = 0; // S bit
797 let Inst{27-21} = opcod;
799 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
800 string opc, string asm, list<dag> pattern>
801 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
802 opc, asm, "", pattern> {
803 let Inst{7-4} = 0b1001;
804 let Inst{27-21} = opcod;
807 // Most significant word multiply
808 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
809 InstrItinClass itin, string opc, string asm, list<dag> pattern>
810 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
811 opc, asm, "", pattern> {
815 let Inst{7-4} = opc7_4;
817 let Inst{27-21} = opcod;
818 let Inst{19-16} = Rd;
822 // MSW multiple w/ Ra operand
823 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
824 InstrItinClass itin, string opc, string asm, list<dag> pattern>
825 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
827 let Inst{15-12} = Ra;
830 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
831 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
832 InstrItinClass itin, string opc, string asm, list<dag> pattern>
833 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
834 opc, asm, "", pattern> {
840 let Inst{27-21} = opcod;
841 let Inst{6-5} = bit6_5;
845 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
846 InstrItinClass itin, string opc, string asm, list<dag> pattern>
847 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
849 let Inst{19-16} = Rd;
852 // AMulxyI with Ra operand
853 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
854 InstrItinClass itin, string opc, string asm, list<dag> pattern>
855 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
857 let Inst{15-12} = Ra;
860 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
861 InstrItinClass itin, string opc, string asm, list<dag> pattern>
862 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
865 let Inst{19-16} = RdHi;
866 let Inst{15-12} = RdLo;
869 // Extend instructions.
870 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
871 string opc, string asm, list<dag> pattern>
872 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
873 opc, asm, "", pattern> {
874 // All AExtI instructions have Rd and Rm register operands.
877 let Inst{15-12} = Rd;
879 let Inst{7-4} = 0b0111;
880 let Inst{9-8} = 0b00;
881 let Inst{27-20} = opcod;
884 // Misc Arithmetic instructions.
885 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
886 InstrItinClass itin, string opc, string asm, list<dag> pattern>
887 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
888 opc, asm, "", pattern> {
891 let Inst{27-20} = opcod;
892 let Inst{19-16} = 0b1111;
893 let Inst{15-12} = Rd;
894 let Inst{11-8} = 0b1111;
895 let Inst{7-4} = opc7_4;
900 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
901 string opc, string asm, list<dag> pattern>
902 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
903 opc, asm, "", pattern> {
908 let Inst{27-20} = opcod;
909 let Inst{19-16} = Rn;
910 let Inst{15-12} = Rd;
911 let Inst{11-7} = sh{7-3};
913 let Inst{5-4} = 0b01;
917 //===----------------------------------------------------------------------===//
919 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
920 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
921 list<Predicate> Predicates = [IsARM];
923 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
924 list<Predicate> Predicates = [IsARM, HasV5TE];
926 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
927 list<Predicate> Predicates = [IsARM, HasV6];
930 //===----------------------------------------------------------------------===//
932 // Thumb Instruction Format Definitions.
935 // TI - Thumb instruction.
937 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
938 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
939 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
940 let OutOperandList = oops;
941 let InOperandList = iops;
943 let Pattern = pattern;
944 list<Predicate> Predicates = [IsThumb];
947 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
948 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
950 // Two-address instructions
951 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
953 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
956 // tBL, tBX 32-bit instructions
957 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
958 dag oops, dag iops, InstrItinClass itin, string asm,
960 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
962 let Inst{31-27} = opcod1;
963 let Inst{15-14} = opcod2;
964 let Inst{12} = opcod3;
967 // BR_JT instructions
968 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
970 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
973 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
974 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
975 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
976 let OutOperandList = oops;
977 let InOperandList = iops;
979 let Pattern = pattern;
980 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
983 class T1I<dag oops, dag iops, InstrItinClass itin,
984 string asm, list<dag> pattern>
985 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
986 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
987 string asm, list<dag> pattern>
988 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
989 class T1JTI<dag oops, dag iops, InstrItinClass itin,
990 string asm, list<dag> pattern>
991 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
993 // Two-address instructions
994 class T1It<dag oops, dag iops, InstrItinClass itin,
995 string asm, string cstr, list<dag> pattern>
996 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
999 // Thumb1 instruction that can either be predicated or set CPSR.
1000 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1001 InstrItinClass itin,
1002 string opc, string asm, string cstr, list<dag> pattern>
1003 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1004 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1005 let InOperandList = !con(iops, (ins pred:$p));
1006 let AsmString = !strconcat(opc, "${s}${p}", asm);
1007 let Pattern = pattern;
1008 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1011 class T1sI<dag oops, dag iops, InstrItinClass itin,
1012 string opc, string asm, list<dag> pattern>
1013 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1015 // Two-address instructions
1016 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1017 string opc, string asm, list<dag> pattern>
1018 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1019 "$lhs = $dst", pattern>;
1021 // Thumb1 instruction that can be predicated.
1022 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1023 InstrItinClass itin,
1024 string opc, string asm, string cstr, list<dag> pattern>
1025 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1026 let OutOperandList = oops;
1027 let InOperandList = !con(iops, (ins pred:$p));
1028 let AsmString = !strconcat(opc, "${p}", asm);
1029 let Pattern = pattern;
1030 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1033 class T1pI<dag oops, dag iops, InstrItinClass itin,
1034 string opc, string asm, list<dag> pattern>
1035 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1037 // Two-address instructions
1038 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1039 string opc, string asm, list<dag> pattern>
1040 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1041 "$lhs = $dst", pattern>;
1043 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1044 string opc, string asm, list<dag> pattern>
1045 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1046 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1047 string opc, string asm, list<dag> pattern>
1048 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1049 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1050 string opc, string asm, list<dag> pattern>
1051 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1052 class T1pIs<dag oops, dag iops,
1053 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1054 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1056 class Encoding16 : Encoding {
1057 let Inst{31-16} = 0x0000;
1060 // A6.2 16-bit Thumb instruction encoding
1061 class T1Encoding<bits<6> opcode> : Encoding16 {
1062 let Inst{15-10} = opcode;
1065 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1066 class T1General<bits<5> opcode> : Encoding16 {
1067 let Inst{15-14} = 0b00;
1068 let Inst{13-9} = opcode;
1071 // A6.2.2 Data-processing encoding.
1072 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1073 let Inst{15-10} = 0b010000;
1074 let Inst{9-6} = opcode;
1077 // A6.2.3 Special data instructions and branch and exchange encoding.
1078 class T1Special<bits<4> opcode> : Encoding16 {
1079 let Inst{15-10} = 0b010001;
1080 let Inst{9-6} = opcode;
1083 // A6.2.4 Load/store single data item encoding.
1084 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1085 let Inst{15-12} = opA;
1086 let Inst{11-9} = opB;
1088 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1089 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1090 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1091 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1092 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1094 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1095 class T1Misc<bits<7> opcode> : Encoding16 {
1096 let Inst{15-12} = 0b1011;
1097 let Inst{11-5} = opcode;
1100 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1101 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1102 InstrItinClass itin,
1103 string opc, string asm, string cstr, list<dag> pattern>
1104 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1105 let OutOperandList = oops;
1106 let InOperandList = !con(iops, (ins pred:$p));
1107 let AsmString = !strconcat(opc, "${p}", asm);
1108 let Pattern = pattern;
1109 list<Predicate> Predicates = [IsThumb2];
1112 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1113 // input operand since by default it's a zero register. It will become an
1114 // implicit def once it's "flipped".
1116 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1118 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1119 InstrItinClass itin,
1120 string opc, string asm, string cstr, list<dag> pattern>
1121 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1122 let OutOperandList = oops;
1123 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1124 let AsmString = !strconcat(opc, "${s}${p}", asm);
1125 let Pattern = pattern;
1126 list<Predicate> Predicates = [IsThumb2];
1130 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1131 InstrItinClass itin,
1132 string asm, string cstr, list<dag> pattern>
1133 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1134 let OutOperandList = oops;
1135 let InOperandList = iops;
1136 let AsmString = asm;
1137 let Pattern = pattern;
1138 list<Predicate> Predicates = [IsThumb2];
1141 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1142 InstrItinClass itin,
1143 string asm, string cstr, list<dag> pattern>
1144 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1145 let OutOperandList = oops;
1146 let InOperandList = iops;
1147 let AsmString = asm;
1148 let Pattern = pattern;
1149 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1152 class T2I<dag oops, dag iops, InstrItinClass itin,
1153 string opc, string asm, list<dag> pattern>
1154 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1155 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1156 string opc, string asm, list<dag> pattern>
1157 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1158 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1159 string opc, string asm, list<dag> pattern>
1160 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1161 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1162 string opc, string asm, list<dag> pattern>
1163 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1164 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1165 string opc, string asm, list<dag> pattern>
1166 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1167 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1168 string opc, string asm, list<dag> pattern>
1169 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1171 let Inst{31-27} = 0b11101;
1172 let Inst{26-25} = 0b00;
1174 let Inst{23} = ?; // The U bit.
1177 let Inst{20} = load;
1180 class T2sI<dag oops, dag iops, InstrItinClass itin,
1181 string opc, string asm, list<dag> pattern>
1182 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1184 class T2XI<dag oops, dag iops, InstrItinClass itin,
1185 string asm, list<dag> pattern>
1186 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1187 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1188 string asm, list<dag> pattern>
1189 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1191 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1192 string opc, string asm, list<dag> pattern>
1193 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1195 // Two-address instructions
1196 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1197 string asm, string cstr, list<dag> pattern>
1198 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1200 // T2Iidxldst - Thumb2 indexed load / store instructions.
1201 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1203 AddrMode am, IndexMode im, InstrItinClass itin,
1204 string opc, string asm, string cstr, list<dag> pattern>
1205 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1206 let OutOperandList = oops;
1207 let InOperandList = !con(iops, (ins pred:$p));
1208 let AsmString = !strconcat(opc, "${p}", asm);
1209 let Pattern = pattern;
1210 list<Predicate> Predicates = [IsThumb2];
1211 let Inst{31-27} = 0b11111;
1212 let Inst{26-25} = 0b00;
1213 let Inst{24} = signed;
1215 let Inst{22-21} = opcod;
1216 let Inst{20} = load;
1218 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1219 let Inst{10} = pre; // The P bit.
1220 let Inst{8} = 1; // The W bit.
1223 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1224 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1225 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1228 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1229 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1230 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1233 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1234 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1235 list<Predicate> Predicates = [IsThumb2];
1238 //===----------------------------------------------------------------------===//
1240 //===----------------------------------------------------------------------===//
1241 // ARM VFP Instruction templates.
1244 // Almost all VFP instructions are predicable.
1245 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1246 IndexMode im, Format f, InstrItinClass itin,
1247 string opc, string asm, string cstr, list<dag> pattern>
1248 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1250 let Inst{31-28} = p;
1251 let OutOperandList = oops;
1252 let InOperandList = !con(iops, (ins pred:$p));
1253 let AsmString = !strconcat(opc, "${p}", asm);
1254 let Pattern = pattern;
1255 list<Predicate> Predicates = [HasVFP2];
1259 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1260 IndexMode im, Format f, InstrItinClass itin,
1261 string asm, string cstr, list<dag> pattern>
1262 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1264 let Inst{31-28} = p;
1265 let OutOperandList = oops;
1266 let InOperandList = iops;
1267 let AsmString = asm;
1268 let Pattern = pattern;
1269 list<Predicate> Predicates = [HasVFP2];
1272 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1273 string opc, string asm, list<dag> pattern>
1274 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1275 opc, asm, "", pattern>;
1277 // ARM VFP addrmode5 loads and stores
1278 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1279 InstrItinClass itin,
1280 string opc, string asm, list<dag> pattern>
1281 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1282 VFPLdStFrm, itin, opc, asm, "", pattern> {
1283 // Instruction operands.
1287 // Encode instruction operands.
1288 let Inst{23} = addr{8}; // U (add = (U == '1'))
1289 let Inst{22} = Dd{4};
1290 let Inst{19-16} = addr{12-9}; // Rn
1291 let Inst{15-12} = Dd{3-0};
1292 let Inst{7-0} = addr{7-0}; // imm8
1294 // TODO: Mark the instructions with the appropriate subtarget info.
1295 let Inst{27-24} = opcod1;
1296 let Inst{21-20} = opcod2;
1297 let Inst{11-9} = 0b101;
1298 let Inst{8} = 1; // Double precision
1300 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1301 let D = VFPNeonDomain;
1304 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1305 InstrItinClass itin,
1306 string opc, string asm, list<dag> pattern>
1307 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1308 VFPLdStFrm, itin, opc, asm, "", pattern> {
1309 // Instruction operands.
1313 // Encode instruction operands.
1314 let Inst{23} = addr{8}; // U (add = (U == '1'))
1315 let Inst{22} = Sd{0};
1316 let Inst{19-16} = addr{12-9}; // Rn
1317 let Inst{15-12} = Sd{4-1};
1318 let Inst{7-0} = addr{7-0}; // imm8
1320 // TODO: Mark the instructions with the appropriate subtarget info.
1321 let Inst{27-24} = opcod1;
1322 let Inst{21-20} = opcod2;
1323 let Inst{11-9} = 0b101;
1324 let Inst{8} = 0; // Single precision
1327 // VFP Load / store multiple pseudo instructions.
1328 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1330 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1332 let OutOperandList = oops;
1333 let InOperandList = !con(iops, (ins pred:$p));
1334 let Pattern = pattern;
1335 list<Predicate> Predicates = [HasVFP2];
1338 // Load / store multiple
1339 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1340 string asm, string cstr, list<dag> pattern>
1341 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1342 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1343 // Instruction operands.
1347 // Encode instruction operands.
1348 let Inst{19-16} = Rn;
1349 let Inst{22} = regs{12};
1350 let Inst{15-12} = regs{11-8};
1351 let Inst{7-0} = regs{7-0};
1353 // TODO: Mark the instructions with the appropriate subtarget info.
1354 let Inst{27-25} = 0b110;
1355 let Inst{11-9} = 0b101;
1356 let Inst{8} = 1; // Double precision
1358 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1359 let D = VFPNeonDomain;
1362 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1363 string asm, string cstr, list<dag> pattern>
1364 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1365 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1366 // Instruction operands.
1370 // Encode instruction operands.
1371 let Inst{19-16} = Rn;
1372 let Inst{22} = regs{8};
1373 let Inst{15-12} = regs{12-9};
1374 let Inst{7-0} = regs{7-0};
1376 // TODO: Mark the instructions with the appropriate subtarget info.
1377 let Inst{27-25} = 0b110;
1378 let Inst{11-9} = 0b101;
1379 let Inst{8} = 0; // Single precision
1382 // Double precision, unary
1383 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1384 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1385 string asm, list<dag> pattern>
1386 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1387 // Instruction operands.
1391 // Encode instruction operands.
1392 let Inst{3-0} = Dm{3-0};
1393 let Inst{5} = Dm{4};
1394 let Inst{15-12} = Dd{3-0};
1395 let Inst{22} = Dd{4};
1397 let Inst{27-23} = opcod1;
1398 let Inst{21-20} = opcod2;
1399 let Inst{19-16} = opcod3;
1400 let Inst{11-9} = 0b101;
1401 let Inst{8} = 1; // Double precision
1402 let Inst{7-6} = opcod4;
1403 let Inst{4} = opcod5;
1406 // Double precision, binary
1407 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1408 dag iops, InstrItinClass itin, string opc, string asm,
1410 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1411 // Instruction operands.
1416 // Encode instruction operands.
1417 let Inst{3-0} = Dm{3-0};
1418 let Inst{5} = Dm{4};
1419 let Inst{19-16} = Dn{3-0};
1420 let Inst{7} = Dn{4};
1421 let Inst{15-12} = Dd{3-0};
1422 let Inst{22} = Dd{4};
1424 let Inst{27-23} = opcod1;
1425 let Inst{21-20} = opcod2;
1426 let Inst{11-9} = 0b101;
1427 let Inst{8} = 1; // Double precision
1432 // Single precision, unary
1433 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1434 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1435 string asm, list<dag> pattern>
1436 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1437 // Instruction operands.
1441 // Encode instruction operands.
1442 let Inst{3-0} = Sm{4-1};
1443 let Inst{5} = Sm{0};
1444 let Inst{15-12} = Sd{4-1};
1445 let Inst{22} = Sd{0};
1447 let Inst{27-23} = opcod1;
1448 let Inst{21-20} = opcod2;
1449 let Inst{19-16} = opcod3;
1450 let Inst{11-9} = 0b101;
1451 let Inst{8} = 0; // Single precision
1452 let Inst{7-6} = opcod4;
1453 let Inst{4} = opcod5;
1456 // Single precision unary, if no NEON
1457 // Same as ASuI except not available if NEON is enabled
1458 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1459 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1460 string asm, list<dag> pattern>
1461 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1463 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1466 // Single precision, binary
1467 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1468 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1469 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1470 // Instruction operands.
1475 // Encode instruction operands.
1476 let Inst{3-0} = Sm{4-1};
1477 let Inst{5} = Sm{0};
1478 let Inst{19-16} = Sn{4-1};
1479 let Inst{7} = Sn{0};
1480 let Inst{15-12} = Sd{4-1};
1481 let Inst{22} = Sd{0};
1483 let Inst{27-23} = opcod1;
1484 let Inst{21-20} = opcod2;
1485 let Inst{11-9} = 0b101;
1486 let Inst{8} = 0; // Single precision
1491 // Single precision binary, if no NEON
1492 // Same as ASbI except not available if NEON is enabled
1493 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1494 dag iops, InstrItinClass itin, string opc, string asm,
1496 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1497 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1499 // Instruction operands.
1504 // Encode instruction operands.
1505 let Inst{3-0} = Sm{4-1};
1506 let Inst{5} = Sm{0};
1507 let Inst{19-16} = Sn{4-1};
1508 let Inst{7} = Sn{0};
1509 let Inst{15-12} = Sd{4-1};
1510 let Inst{22} = Sd{0};
1513 // VFP conversion instructions
1514 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1515 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1517 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1518 let Inst{27-23} = opcod1;
1519 let Inst{21-20} = opcod2;
1520 let Inst{19-16} = opcod3;
1521 let Inst{11-8} = opcod4;
1526 // VFP conversion between floating-point and fixed-point
1527 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1528 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1530 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1531 // size (fixed-point number): sx == 0 ? 16 : 32
1532 let Inst{7} = op5; // sx
1535 // VFP conversion instructions, if no NEON
1536 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1537 dag oops, dag iops, InstrItinClass itin,
1538 string opc, string asm, list<dag> pattern>
1539 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1541 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1544 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1545 InstrItinClass itin,
1546 string opc, string asm, list<dag> pattern>
1547 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1548 let Inst{27-20} = opcod1;
1549 let Inst{11-8} = opcod2;
1553 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1554 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1555 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1557 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1558 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1559 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1561 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1562 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1563 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1565 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1566 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1567 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1569 //===----------------------------------------------------------------------===//
1571 //===----------------------------------------------------------------------===//
1572 // ARM NEON Instruction templates.
1575 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1576 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1578 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1579 let OutOperandList = oops;
1580 let InOperandList = !con(iops, (ins pred:$p));
1581 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1582 let Pattern = pattern;
1583 list<Predicate> Predicates = [HasNEON];
1586 // Same as NeonI except it does not have a "data type" specifier.
1587 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1588 InstrItinClass itin, string opc, string asm, string cstr,
1590 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1591 let OutOperandList = oops;
1592 let InOperandList = !con(iops, (ins pred:$p));
1593 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1594 let Pattern = pattern;
1595 list<Predicate> Predicates = [HasNEON];
1598 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1599 dag oops, dag iops, InstrItinClass itin,
1600 string opc, string dt, string asm, string cstr, list<dag> pattern>
1601 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1603 let Inst{31-24} = 0b11110100;
1604 let Inst{23} = op23;
1605 let Inst{21-20} = op21_20;
1606 let Inst{11-8} = op11_8;
1607 let Inst{7-4} = op7_4;
1609 let PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1615 let Inst{22} = Vd{4};
1616 let Inst{15-12} = Vd{3-0};
1617 let Inst{19-16} = Rn{3-0};
1618 let Inst{3-0} = Rm{3-0};
1621 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1622 dag oops, dag iops, InstrItinClass itin,
1623 string opc, string dt, string asm, string cstr, list<dag> pattern>
1624 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1625 dt, asm, cstr, pattern> {
1629 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1630 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1632 let OutOperandList = oops;
1633 let InOperandList = !con(iops, (ins pred:$p));
1634 list<Predicate> Predicates = [HasNEON];
1637 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1639 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1641 let OutOperandList = oops;
1642 let InOperandList = !con(iops, (ins pred:$p));
1643 let Pattern = pattern;
1644 list<Predicate> Predicates = [HasNEON];
1647 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1648 string opc, string dt, string asm, string cstr, list<dag> pattern>
1649 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1651 let Inst{31-25} = 0b1111001;
1652 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1655 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1656 string opc, string asm, string cstr, list<dag> pattern>
1657 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1659 let Inst{31-25} = 0b1111001;
1662 // NEON "one register and a modified immediate" format.
1663 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1665 dag oops, dag iops, InstrItinClass itin,
1666 string opc, string dt, string asm, string cstr,
1668 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1669 let Inst{23} = op23;
1670 let Inst{21-19} = op21_19;
1671 let Inst{11-8} = op11_8;
1677 // Instruction operands.
1681 let Inst{15-12} = Vd{3-0};
1682 let Inst{22} = Vd{4};
1683 let Inst{24} = SIMM{7};
1684 let Inst{18-16} = SIMM{6-4};
1685 let Inst{3-0} = SIMM{3-0};
1688 // NEON 2 vector register format.
1689 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1690 bits<5> op11_7, bit op6, bit op4,
1691 dag oops, dag iops, InstrItinClass itin,
1692 string opc, string dt, string asm, string cstr, list<dag> pattern>
1693 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1694 let Inst{24-23} = op24_23;
1695 let Inst{21-20} = op21_20;
1696 let Inst{19-18} = op19_18;
1697 let Inst{17-16} = op17_16;
1698 let Inst{11-7} = op11_7;
1702 // Instruction operands.
1706 let Inst{15-12} = Vd{3-0};
1707 let Inst{22} = Vd{4};
1708 let Inst{3-0} = Vm{3-0};
1709 let Inst{5} = Vm{4};
1712 // Same as N2V except it doesn't have a datatype suffix.
1713 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1714 bits<5> op11_7, bit op6, bit op4,
1715 dag oops, dag iops, InstrItinClass itin,
1716 string opc, string asm, string cstr, list<dag> pattern>
1717 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1718 let Inst{24-23} = op24_23;
1719 let Inst{21-20} = op21_20;
1720 let Inst{19-18} = op19_18;
1721 let Inst{17-16} = op17_16;
1722 let Inst{11-7} = op11_7;
1726 // Instruction operands.
1730 let Inst{15-12} = Vd{3-0};
1731 let Inst{22} = Vd{4};
1732 let Inst{3-0} = Vm{3-0};
1733 let Inst{5} = Vm{4};
1736 // NEON 2 vector register with immediate.
1737 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1738 dag oops, dag iops, Format f, InstrItinClass itin,
1739 string opc, string dt, string asm, string cstr, list<dag> pattern>
1740 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1741 let Inst{24} = op24;
1742 let Inst{23} = op23;
1743 let Inst{11-8} = op11_8;
1748 // Instruction operands.
1753 let Inst{15-12} = Vd{3-0};
1754 let Inst{22} = Vd{4};
1755 let Inst{3-0} = Vm{3-0};
1756 let Inst{5} = Vm{4};
1757 let Inst{21-16} = SIMM{5-0};
1760 // NEON 3 vector register format.
1761 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1762 dag oops, dag iops, Format f, InstrItinClass itin,
1763 string opc, string dt, string asm, string cstr, list<dag> pattern>
1764 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1765 let Inst{24} = op24;
1766 let Inst{23} = op23;
1767 let Inst{21-20} = op21_20;
1768 let Inst{11-8} = op11_8;
1772 // Instruction operands.
1777 let Inst{15-12} = Vd{3-0};
1778 let Inst{22} = Vd{4};
1779 let Inst{19-16} = Vn{3-0};
1780 let Inst{7} = Vn{4};
1781 let Inst{3-0} = Vm{3-0};
1782 let Inst{5} = Vm{4};
1785 // Same as N3V except it doesn't have a data type suffix.
1786 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1788 dag oops, dag iops, Format f, InstrItinClass itin,
1789 string opc, string asm, string cstr, list<dag> pattern>
1790 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1791 let Inst{24} = op24;
1792 let Inst{23} = op23;
1793 let Inst{21-20} = op21_20;
1794 let Inst{11-8} = op11_8;
1798 // Instruction operands.
1803 let Inst{15-12} = Vd{3-0};
1804 let Inst{22} = Vd{4};
1805 let Inst{19-16} = Vn{3-0};
1806 let Inst{7} = Vn{4};
1807 let Inst{3-0} = Vm{3-0};
1808 let Inst{5} = Vm{4};
1811 // NEON VMOVs between scalar and core registers.
1812 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1813 dag oops, dag iops, Format f, InstrItinClass itin,
1814 string opc, string dt, string asm, list<dag> pattern>
1815 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1817 let Inst{27-20} = opcod1;
1818 let Inst{11-8} = opcod2;
1819 let Inst{6-5} = opcod3;
1822 let OutOperandList = oops;
1823 let InOperandList = !con(iops, (ins pred:$p));
1824 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1825 let Pattern = pattern;
1826 list<Predicate> Predicates = [HasNEON];
1828 let PostEncoderMethod = "NEONThumb2DupPostEncoder";
1835 let Inst{31-28} = p{3-0};
1837 let Inst{19-16} = V{3-0};
1838 let Inst{15-12} = R{3-0};
1840 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1841 dag oops, dag iops, InstrItinClass itin,
1842 string opc, string dt, string asm, list<dag> pattern>
1843 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1844 opc, dt, asm, pattern>;
1845 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1846 dag oops, dag iops, InstrItinClass itin,
1847 string opc, string dt, string asm, list<dag> pattern>
1848 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1849 opc, dt, asm, pattern>;
1850 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1851 dag oops, dag iops, InstrItinClass itin,
1852 string opc, string dt, string asm, list<dag> pattern>
1853 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1854 opc, dt, asm, pattern>;
1856 // Vector Duplicate Lane (from scalar to all elements)
1857 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1858 InstrItinClass itin, string opc, string dt, string asm,
1860 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1861 let Inst{24-23} = 0b11;
1862 let Inst{21-20} = 0b11;
1863 let Inst{19-16} = op19_16;
1864 let Inst{11-7} = 0b11000;
1872 let Inst{22} = Vd{4};
1873 let Inst{15-12} = Vd{3-0};
1874 let Inst{5} = Vm{4};
1875 let Inst{3-0} = Vm{3-0};
1878 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1879 // for single-precision FP.
1880 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1881 list<Predicate> Predicates = [HasNEON,UseNEONForFP];