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 an 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.
87 // FIXME: Once the JIT is MC-ized, these can go away.
89 class AddrMode<bits<5> val> {
92 def AddrModeNone : AddrMode<0>;
93 def AddrMode1 : AddrMode<1>;
94 def AddrMode2 : AddrMode<2>;
95 def AddrMode3 : AddrMode<3>;
96 def AddrMode4 : AddrMode<4>;
97 def AddrMode5 : AddrMode<5>;
98 def AddrMode6 : AddrMode<6>;
99 def AddrModeT1_1 : AddrMode<7>;
100 def AddrModeT1_2 : AddrMode<8>;
101 def AddrModeT1_4 : AddrMode<9>;
102 def AddrModeT1_s : AddrMode<10>;
103 def AddrModeT2_i12 : AddrMode<11>;
104 def AddrModeT2_i8 : AddrMode<12>;
105 def AddrModeT2_so : AddrMode<13>;
106 def AddrModeT2_pc : AddrMode<14>;
107 def AddrModeT2_i8s4 : AddrMode<15>;
108 def AddrMode_i12 : AddrMode<16>;
111 class SizeFlagVal<bits<3> val> {
114 def SizeInvalid : SizeFlagVal<0>; // Unset.
115 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
116 def Size8Bytes : SizeFlagVal<2>;
117 def Size4Bytes : SizeFlagVal<3>;
118 def Size2Bytes : SizeFlagVal<4>;
120 // Load / store index mode.
121 class IndexMode<bits<2> val> {
124 def IndexModeNone : IndexMode<0>;
125 def IndexModePre : IndexMode<1>;
126 def IndexModePost : IndexMode<2>;
127 def IndexModeUpd : IndexMode<3>;
129 // Instruction execution domain.
130 class Domain<bits<3> val> {
133 def GenericDomain : Domain<0>;
134 def VFPDomain : Domain<1>; // Instructions in VFP domain only
135 def NeonDomain : Domain<2>; // Instructions in Neon domain only
136 def VFPNeonDomain : Domain<3>; // Instructions in both VFP & Neon domains
137 def VFPNeonA8Domain : Domain<5>; // Instructions in VFP & Neon under A8
139 //===----------------------------------------------------------------------===//
140 // ARM special operands.
143 def CondCodeOperand : AsmOperandClass {
144 let Name = "CondCode";
145 let SuperClasses = [];
148 def CCOutOperand : AsmOperandClass {
150 let SuperClasses = [];
153 def MemBarrierOptOperand : AsmOperandClass {
154 let Name = "MemBarrierOpt";
155 let SuperClasses = [];
156 let ParserMethod = "tryParseMemBarrierOptOperand";
159 def ProcIFlagsOperand : AsmOperandClass {
160 let Name = "ProcIFlags";
161 let SuperClasses = [];
162 let ParserMethod = "tryParseProcIFlagsOperand";
165 def MSRMaskOperand : AsmOperandClass {
166 let Name = "MSRMask";
167 let SuperClasses = [];
168 let ParserMethod = "tryParseMSRMaskOperand";
171 // ARM imod and iflag operands, used only by the CPS instruction.
172 def imod_op : Operand<i32> {
173 let PrintMethod = "printCPSIMod";
176 def iflags_op : Operand<i32> {
177 let PrintMethod = "printCPSIFlag";
178 let ParserMatchClass = ProcIFlagsOperand;
181 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
182 // register whose default is 0 (no register).
183 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
184 (ops (i32 14), (i32 zero_reg))> {
185 let PrintMethod = "printPredicateOperand";
186 let ParserMatchClass = CondCodeOperand;
189 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
190 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
191 let EncoderMethod = "getCCOutOpValue";
192 let PrintMethod = "printSBitModifierOperand";
193 let ParserMatchClass = CCOutOperand;
196 // Same as cc_out except it defaults to setting CPSR.
197 def s_cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 CPSR))> {
198 let EncoderMethod = "getCCOutOpValue";
199 let PrintMethod = "printSBitModifierOperand";
200 let ParserMatchClass = CCOutOperand;
203 // ARM special operands for disassembly only.
205 def setend_op : Operand<i32> {
206 let PrintMethod = "printSetendOperand";
209 def msr_mask : Operand<i32> {
210 let PrintMethod = "printMSRMaskOperand";
211 let ParserMatchClass = MSRMaskOperand;
214 // Shift Right Immediate - A shift right immediate is encoded differently from
215 // other shift immediates. The imm6 field is encoded like so:
218 // 8 imm6<5:3> = '001', 8 - <imm> is encoded in imm6<2:0>
219 // 16 imm6<5:4> = '01', 16 - <imm> is encoded in imm6<3:0>
220 // 32 imm6<5> = '1', 32 - <imm> is encoded in imm6<4:0>
221 // 64 64 - <imm> is encoded in imm6<5:0>
222 def shr_imm8 : Operand<i32> {
223 let EncoderMethod = "getShiftRight8Imm";
225 def shr_imm16 : Operand<i32> {
226 let EncoderMethod = "getShiftRight16Imm";
228 def shr_imm32 : Operand<i32> {
229 let EncoderMethod = "getShiftRight32Imm";
231 def shr_imm64 : Operand<i32> {
232 let EncoderMethod = "getShiftRight64Imm";
235 //===----------------------------------------------------------------------===//
236 // ARM Instruction templates.
239 class InstTemplate<AddrMode am, SizeFlagVal sz, IndexMode im,
240 Format f, Domain d, string cstr, InstrItinClass itin>
242 let Namespace = "ARM";
247 bits<2> IndexModeBits = IM.Value;
249 bits<6> Form = F.Value;
251 bit isUnaryDataProc = 0;
252 bit canXformTo16Bit = 0;
254 // If this is a pseudo instruction, mark it isCodeGenOnly.
255 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
257 // The layout of TSFlags should be kept in sync with ARMBaseInstrInfo.h.
258 let TSFlags{4-0} = AM.Value;
259 let TSFlags{7-5} = SZ.Value;
260 let TSFlags{9-8} = IndexModeBits;
261 let TSFlags{15-10} = Form;
262 let TSFlags{16} = isUnaryDataProc;
263 let TSFlags{17} = canXformTo16Bit;
264 let TSFlags{20-18} = D.Value;
266 let Constraints = cstr;
267 let Itinerary = itin;
274 class InstARM<AddrMode am, SizeFlagVal sz, IndexMode im,
275 Format f, Domain d, string cstr, InstrItinClass itin>
276 : InstTemplate<am, sz, im, f, d, cstr, itin>, Encoding;
278 // This Encoding-less class is used by Thumb1 to specify the encoding bits later
279 // on by adding flavors to specific instructions.
280 class InstThumb<AddrMode am, SizeFlagVal sz, IndexMode im,
281 Format f, Domain d, string cstr, InstrItinClass itin>
282 : InstTemplate<am, sz, im, f, d, cstr, itin>;
284 class PseudoInst<dag oops, dag iops, InstrItinClass itin, list<dag> pattern>
285 // FIXME: This really should derive from InstTemplate instead, as pseudos
286 // don't need encoding information. TableGen doesn't like that
287 // currently. Need to figure out why and fix it.
288 : InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
290 let OutOperandList = oops;
291 let InOperandList = iops;
292 let Pattern = pattern;
293 let isCodeGenOnly = 1;
296 // PseudoInst that's ARM-mode only.
297 class ARMPseudoInst<dag oops, dag iops, SizeFlagVal sz, InstrItinClass itin,
299 : PseudoInst<oops, iops, itin, pattern> {
301 list<Predicate> Predicates = [IsARM];
304 // PseudoInst that's Thumb-mode only.
305 class tPseudoInst<dag oops, dag iops, SizeFlagVal sz, InstrItinClass itin,
307 : PseudoInst<oops, iops, itin, pattern> {
309 list<Predicate> Predicates = [IsThumb];
312 // PseudoInst that's Thumb2-mode only.
313 class t2PseudoInst<dag oops, dag iops, SizeFlagVal sz, InstrItinClass itin,
315 : PseudoInst<oops, iops, itin, pattern> {
317 list<Predicate> Predicates = [IsThumb2];
319 // Almost all ARM instructions are predicable.
320 class I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
321 IndexMode im, Format f, InstrItinClass itin,
322 string opc, string asm, string cstr,
324 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
327 let OutOperandList = oops;
328 let InOperandList = !con(iops, (ins pred:$p));
329 let AsmString = !strconcat(opc, "${p}", asm);
330 let Pattern = pattern;
331 list<Predicate> Predicates = [IsARM];
334 // A few are not predicable
335 class InoP<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
336 IndexMode im, Format f, InstrItinClass itin,
337 string opc, string asm, string cstr,
339 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
340 let OutOperandList = oops;
341 let InOperandList = iops;
342 let AsmString = !strconcat(opc, asm);
343 let Pattern = pattern;
344 let isPredicable = 0;
345 list<Predicate> Predicates = [IsARM];
348 // Same as I except it can optionally modify CPSR. Note it's modeled as an input
349 // operand since by default it's a zero register. It will become an implicit def
350 // once it's "flipped".
351 class sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
352 IndexMode im, Format f, InstrItinClass itin,
353 string opc, string asm, string cstr,
355 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
356 bits<4> p; // Predicate operand
357 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
361 let OutOperandList = oops;
362 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
363 let AsmString = !strconcat(opc, "${s}${p}", asm);
364 let Pattern = pattern;
365 list<Predicate> Predicates = [IsARM];
369 class XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
370 IndexMode im, Format f, InstrItinClass itin,
371 string asm, string cstr, list<dag> pattern>
372 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
373 let OutOperandList = oops;
374 let InOperandList = iops;
376 let Pattern = pattern;
377 list<Predicate> Predicates = [IsARM];
380 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
381 string opc, string asm, list<dag> pattern>
382 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
383 opc, asm, "", pattern>;
384 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
385 string opc, string asm, list<dag> pattern>
386 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
387 opc, asm, "", pattern>;
388 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
389 string asm, list<dag> pattern>
390 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
392 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
393 string opc, string asm, list<dag> pattern>
394 : InoP<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
395 opc, asm, "", pattern>;
397 // Ctrl flow instructions
398 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
399 string opc, string asm, list<dag> pattern>
400 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
401 opc, asm, "", pattern> {
402 let Inst{27-24} = opcod;
404 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
405 string asm, list<dag> pattern>
406 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
408 let Inst{27-24} = opcod;
411 // BR_JT instructions
412 class JTI<dag oops, dag iops, InstrItinClass itin,
413 string asm, list<dag> pattern>
414 : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin,
417 // Atomic load/store instructions
418 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
419 string opc, string asm, list<dag> pattern>
420 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
421 opc, asm, "", pattern> {
424 let Inst{27-23} = 0b00011;
425 let Inst{22-21} = opcod;
427 let Inst{19-16} = Rn;
428 let Inst{15-12} = Rt;
429 let Inst{11-0} = 0b111110011111;
431 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
432 string opc, string asm, list<dag> pattern>
433 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
434 opc, asm, "", pattern> {
438 let Inst{27-23} = 0b00011;
439 let Inst{22-21} = opcod;
441 let Inst{19-16} = addr;
442 let Inst{15-12} = Rd;
443 let Inst{11-4} = 0b11111001;
446 class AIswp<bit b, dag oops, dag iops, string opc, list<dag> pattern>
447 : AI<oops, iops, MiscFrm, NoItinerary, opc, "\t$Rt, $Rt2, [$Rn]", pattern> {
451 let Inst{27-23} = 0b00010;
453 let Inst{21-20} = 0b00;
454 let Inst{19-16} = Rn;
455 let Inst{15-12} = Rt;
456 let Inst{11-4} = 0b00001001;
460 // addrmode1 instructions
461 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
462 string opc, string asm, list<dag> pattern>
463 : I<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
464 opc, asm, "", pattern> {
465 let Inst{24-21} = opcod;
466 let Inst{27-26} = 0b00;
468 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
469 string opc, string asm, list<dag> pattern>
470 : sI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
471 opc, asm, "", pattern> {
472 let Inst{24-21} = opcod;
473 let Inst{27-26} = 0b00;
475 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
476 string asm, list<dag> pattern>
477 : XI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
479 let Inst{24-21} = opcod;
480 let Inst{27-26} = 0b00;
485 // LDR/LDRB/STR/STRB/...
486 class AI2ldst<bits<3> op, bit isLd, bit isByte, dag oops, dag iops, AddrMode am,
487 Format f, InstrItinClass itin, string opc, string asm,
489 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
491 let Inst{27-25} = op;
492 let Inst{24} = 1; // 24 == P
494 let Inst{22} = isByte;
495 let Inst{21} = 0; // 21 == W
498 // Indexed load/stores
499 class AI2ldstidx<bit isLd, bit isByte, bit isPre, dag oops, dag iops,
500 IndexMode im, Format f, InstrItinClass itin, string opc,
501 string asm, string cstr, list<dag> pattern>
502 : I<oops, iops, AddrMode2, Size4Bytes, im, f, itin,
503 opc, asm, cstr, pattern> {
505 let Inst{27-26} = 0b01;
506 let Inst{24} = isPre; // P bit
507 let Inst{22} = isByte; // B bit
508 let Inst{21} = isPre; // W bit
509 let Inst{20} = isLd; // L bit
510 let Inst{15-12} = Rt;
512 class AI2stridx<bit isByte, bit isPre, dag oops, dag iops,
513 IndexMode im, Format f, InstrItinClass itin, string opc,
514 string asm, string cstr, list<dag> pattern>
515 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
517 // AM2 store w/ two operands: (GPR, am2offset)
518 // {13} 1 == Rm, 0 == imm12
523 let Inst{25} = offset{13};
524 let Inst{23} = offset{12};
525 let Inst{19-16} = Rn;
526 let Inst{11-0} = offset{11-0};
528 // FIXME: Merge with the above class when addrmode2 gets used for STR, STRB
529 // but for now use this class for STRT and STRBT.
530 class AI2stridxT<bit isByte, bit isPre, dag oops, dag iops,
531 IndexMode im, Format f, InstrItinClass itin, string opc,
532 string asm, string cstr, list<dag> pattern>
533 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
535 // AM2 store w/ two operands: (GPR, am2offset)
537 // {13} 1 == Rm, 0 == imm12
541 let Inst{25} = addr{13};
542 let Inst{23} = addr{12};
543 let Inst{19-16} = addr{17-14};
544 let Inst{11-0} = addr{11-0};
547 // addrmode3 instructions
548 class AI3ld<bits<4> op, bit op20, dag oops, dag iops, Format f,
549 InstrItinClass itin, string opc, string asm, list<dag> pattern>
550 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
551 opc, asm, "", pattern> {
554 let Inst{27-25} = 0b000;
555 let Inst{24} = 1; // P bit
556 let Inst{23} = addr{8}; // U bit
557 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
558 let Inst{21} = 0; // W bit
559 let Inst{20} = op20; // L bit
560 let Inst{19-16} = addr{12-9}; // Rn
561 let Inst{15-12} = Rt; // Rt
562 let Inst{11-8} = addr{7-4}; // imm7_4/zero
564 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
567 class AI3ldstidx<bits<4> op, bit op20, bit isLd, bit isPre, dag oops, dag iops,
568 IndexMode im, Format f, InstrItinClass itin, string opc,
569 string asm, string cstr, list<dag> pattern>
570 : I<oops, iops, AddrMode3, Size4Bytes, im, f, itin,
571 opc, asm, cstr, pattern> {
573 let Inst{27-25} = 0b000;
574 let Inst{24} = isPre; // P bit
575 let Inst{21} = isPre; // W bit
576 let Inst{20} = op20; // L bit
577 let Inst{15-12} = Rt; // Rt
580 class AI3stridx<bits<4> op, bit isByte, bit isPre, dag oops, dag iops,
581 IndexMode im, Format f, InstrItinClass itin, string opc,
582 string asm, string cstr, list<dag> pattern>
583 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
585 // AM3 store w/ two operands: (GPR, am3offset)
589 let Inst{27-25} = 0b000;
590 let Inst{23} = offset{8};
591 let Inst{22} = offset{9};
592 let Inst{19-16} = Rn;
593 let Inst{15-12} = Rt; // Rt
594 let Inst{11-8} = offset{7-4}; // imm7_4/zero
596 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
600 class AI3str<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
601 string opc, string asm, list<dag> pattern>
602 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
603 opc, asm, "", pattern> {
606 let Inst{27-25} = 0b000;
607 let Inst{24} = 1; // P bit
608 let Inst{23} = addr{8}; // U bit
609 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
610 let Inst{21} = 0; // W bit
611 let Inst{20} = 0; // L bit
612 let Inst{19-16} = addr{12-9}; // Rn
613 let Inst{15-12} = Rt; // Rt
614 let Inst{11-8} = addr{7-4}; // imm7_4/zero
616 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
619 // Pre-indexed stores
620 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
621 string opc, string asm, string cstr, list<dag> pattern>
622 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
623 opc, asm, cstr, pattern> {
625 let Inst{5} = 1; // H bit
626 let Inst{6} = 0; // S bit
628 let Inst{20} = 0; // L bit
629 let Inst{21} = 1; // W bit
630 let Inst{24} = 1; // P bit
631 let Inst{27-25} = 0b000;
633 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
634 string opc, string asm, string cstr, list<dag> pattern>
635 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
636 opc, asm, cstr, pattern> {
638 let Inst{5} = 1; // H bit
639 let Inst{6} = 1; // S bit
641 let Inst{20} = 0; // L bit
642 let Inst{21} = 1; // W bit
643 let Inst{24} = 1; // P bit
644 let Inst{27-25} = 0b000;
647 // Post-indexed stores
648 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
649 string opc, string asm, string cstr, list<dag> pattern>
650 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
651 opc, asm, cstr,pattern> {
653 let Inst{5} = 1; // H bit
654 let Inst{6} = 0; // S bit
656 let Inst{20} = 0; // L bit
657 let Inst{21} = 0; // W bit
658 let Inst{24} = 0; // P bit
659 let Inst{27-25} = 0b000;
661 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
662 string opc, string asm, string cstr, list<dag> pattern>
663 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
664 opc, asm, cstr, 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} = 0; // P bit
672 let Inst{27-25} = 0b000;
675 // addrmode4 instructions
676 class AXI4<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
677 string asm, string cstr, list<dag> pattern>
678 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin, asm, cstr, pattern> {
683 let Inst{27-25} = 0b100;
684 let Inst{22} = 0; // S bit
685 let Inst{19-16} = Rn;
686 let Inst{15-0} = regs;
689 // Unsigned multiply, multiply-accumulate instructions.
690 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
691 string opc, string asm, list<dag> pattern>
692 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
693 opc, asm, "", pattern> {
694 let Inst{7-4} = 0b1001;
695 let Inst{20} = 0; // S bit
696 let Inst{27-21} = opcod;
698 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
699 string opc, string asm, list<dag> pattern>
700 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
701 opc, asm, "", pattern> {
702 let Inst{7-4} = 0b1001;
703 let Inst{27-21} = opcod;
706 // Most significant word multiply
707 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
708 InstrItinClass itin, string opc, string asm, list<dag> pattern>
709 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
710 opc, asm, "", pattern> {
714 let Inst{7-4} = opc7_4;
716 let Inst{27-21} = opcod;
717 let Inst{19-16} = Rd;
721 // MSW multiple w/ Ra operand
722 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
723 InstrItinClass itin, string opc, string asm, list<dag> pattern>
724 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
726 let Inst{15-12} = Ra;
729 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
730 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
731 InstrItinClass itin, string opc, string asm, list<dag> pattern>
732 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
733 opc, asm, "", pattern> {
739 let Inst{27-21} = opcod;
740 let Inst{6-5} = bit6_5;
744 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
745 InstrItinClass itin, string opc, string asm, list<dag> pattern>
746 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
748 let Inst{19-16} = Rd;
751 // AMulxyI with Ra operand
752 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
753 InstrItinClass itin, string opc, string asm, list<dag> pattern>
754 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
756 let Inst{15-12} = Ra;
759 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
760 InstrItinClass itin, string opc, string asm, list<dag> pattern>
761 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
764 let Inst{19-16} = RdHi;
765 let Inst{15-12} = RdLo;
768 // Extend instructions.
769 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
770 string opc, string asm, list<dag> pattern>
771 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
772 opc, asm, "", pattern> {
773 // All AExtI instructions have Rd and Rm register operands.
776 let Inst{15-12} = Rd;
778 let Inst{7-4} = 0b0111;
779 let Inst{9-8} = 0b00;
780 let Inst{27-20} = opcod;
783 // Misc Arithmetic instructions.
784 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
785 InstrItinClass itin, string opc, string asm, list<dag> pattern>
786 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
787 opc, asm, "", pattern> {
790 let Inst{27-20} = opcod;
791 let Inst{19-16} = 0b1111;
792 let Inst{15-12} = Rd;
793 let Inst{11-8} = 0b1111;
794 let Inst{7-4} = opc7_4;
799 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
800 string opc, string asm, list<dag> pattern>
801 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
802 opc, asm, "", pattern> {
807 let Inst{27-20} = opcod;
808 let Inst{19-16} = Rn;
809 let Inst{15-12} = Rd;
810 let Inst{11-7} = sh{7-3};
812 let Inst{5-4} = 0b01;
816 //===----------------------------------------------------------------------===//
818 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
819 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
820 list<Predicate> Predicates = [IsARM];
822 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
823 list<Predicate> Predicates = [IsARM, HasV5TE];
825 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
826 list<Predicate> Predicates = [IsARM, HasV6];
829 //===----------------------------------------------------------------------===//
830 // Thumb Instruction Format Definitions.
833 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
834 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
835 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
836 let OutOperandList = oops;
837 let InOperandList = iops;
839 let Pattern = pattern;
840 list<Predicate> Predicates = [IsThumb];
843 // TI - Thumb instruction.
844 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
845 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
847 // Two-address instructions
848 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
850 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
853 // tBL, tBX 32-bit instructions
854 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
855 dag oops, dag iops, InstrItinClass itin, string asm,
857 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
859 let Inst{31-27} = opcod1;
860 let Inst{15-14} = opcod2;
861 let Inst{12} = opcod3;
864 // Move to/from coprocessor instructions
865 class T1Cop<dag oops, dag iops, string asm, list<dag> pattern>
866 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, NoItinerary, asm, "", pattern>,
867 Encoding, Requires<[IsThumb, HasV6]> {
868 let Inst{31-28} = 0b1110;
871 // BR_JT instructions
872 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
874 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
877 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
878 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
879 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
880 let OutOperandList = oops;
881 let InOperandList = iops;
883 let Pattern = pattern;
884 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
887 class T1I<dag oops, dag iops, InstrItinClass itin,
888 string asm, list<dag> pattern>
889 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
890 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
891 string asm, list<dag> pattern>
892 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
894 // Two-address instructions
895 class T1It<dag oops, dag iops, InstrItinClass itin,
896 string asm, string cstr, list<dag> pattern>
897 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
900 // Thumb1 instruction that can either be predicated or set CPSR.
901 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
903 string opc, string asm, string cstr, list<dag> pattern>
904 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
905 let OutOperandList = !con(oops, (outs s_cc_out:$s));
906 let InOperandList = !con(iops, (ins pred:$p));
907 let AsmString = !strconcat(opc, "${s}${p}", asm);
908 let Pattern = pattern;
909 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
912 class T1sI<dag oops, dag iops, InstrItinClass itin,
913 string opc, string asm, list<dag> pattern>
914 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
916 // Two-address instructions
917 class T1sIt<dag oops, dag iops, InstrItinClass itin,
918 string opc, string asm, list<dag> pattern>
919 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
920 "$Rn = $Rdn", pattern>;
922 // Thumb1 instruction that can be predicated.
923 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
925 string opc, string asm, string cstr, list<dag> pattern>
926 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
927 let OutOperandList = oops;
928 let InOperandList = !con(iops, (ins pred:$p));
929 let AsmString = !strconcat(opc, "${p}", asm);
930 let Pattern = pattern;
931 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
934 class T1pI<dag oops, dag iops, InstrItinClass itin,
935 string opc, string asm, list<dag> pattern>
936 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
938 // Two-address instructions
939 class T1pIt<dag oops, dag iops, InstrItinClass itin,
940 string opc, string asm, list<dag> pattern>
941 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
942 "$Rn = $Rdn", pattern>;
944 class T1pIs<dag oops, dag iops,
945 InstrItinClass itin, string opc, string asm, list<dag> pattern>
946 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
948 class Encoding16 : Encoding {
949 let Inst{31-16} = 0x0000;
952 // A6.2 16-bit Thumb instruction encoding
953 class T1Encoding<bits<6> opcode> : Encoding16 {
954 let Inst{15-10} = opcode;
957 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
958 class T1General<bits<5> opcode> : Encoding16 {
959 let Inst{15-14} = 0b00;
960 let Inst{13-9} = opcode;
963 // A6.2.2 Data-processing encoding.
964 class T1DataProcessing<bits<4> opcode> : Encoding16 {
965 let Inst{15-10} = 0b010000;
966 let Inst{9-6} = opcode;
969 // A6.2.3 Special data instructions and branch and exchange encoding.
970 class T1Special<bits<4> opcode> : Encoding16 {
971 let Inst{15-10} = 0b010001;
972 let Inst{9-6} = opcode;
975 // A6.2.4 Load/store single data item encoding.
976 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
977 let Inst{15-12} = opA;
978 let Inst{11-9} = opB;
980 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
982 // Helper classes to encode Thumb1 loads and stores. For immediates, the
983 // following bits are used for "opA" (see A6.2.4):
985 // 0b0110 => Immediate, 4 bytes
986 // 0b1000 => Immediate, 2 bytes
987 // 0b0111 => Immediate, 1 byte
988 class T1pILdStEncode<bits<3> opcode, dag oops, dag iops, AddrMode am,
989 InstrItinClass itin, string opc, string asm,
991 : Thumb1pI<oops, iops, am, Size2Bytes, itin, opc, asm, "", pattern>,
992 T1LoadStore<0b0101, opcode> {
995 let Inst{8-6} = addr{5-3}; // Rm
996 let Inst{5-3} = addr{2-0}; // Rn
999 class T1pILdStEncodeImm<bits<4> opA, bit opB, dag oops, dag iops, AddrMode am,
1000 InstrItinClass itin, string opc, string asm,
1002 : Thumb1pI<oops, iops, am, Size2Bytes, itin, opc, asm, "", pattern>,
1003 T1LoadStore<opA, {opB,?,?}> {
1006 let Inst{10-6} = addr{7-3}; // imm5
1007 let Inst{5-3} = addr{2-0}; // Rn
1011 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1012 class T1Misc<bits<7> opcode> : Encoding16 {
1013 let Inst{15-12} = 0b1011;
1014 let Inst{11-5} = opcode;
1017 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1018 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1019 InstrItinClass itin,
1020 string opc, string asm, string cstr, list<dag> pattern>
1021 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1022 let OutOperandList = oops;
1023 let InOperandList = !con(iops, (ins pred:$p));
1024 let AsmString = !strconcat(opc, "${p}", asm);
1025 let Pattern = pattern;
1026 list<Predicate> Predicates = [IsThumb2];
1029 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1030 // input operand since by default it's a zero register. It will become an
1031 // implicit def once it's "flipped".
1033 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1035 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1036 InstrItinClass itin,
1037 string opc, string asm, string cstr, list<dag> pattern>
1038 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1039 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
1042 let OutOperandList = oops;
1043 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1044 let AsmString = !strconcat(opc, "${s}${p}", asm);
1045 let Pattern = pattern;
1046 list<Predicate> Predicates = [IsThumb2];
1050 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1051 InstrItinClass itin,
1052 string asm, string cstr, list<dag> pattern>
1053 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1054 let OutOperandList = oops;
1055 let InOperandList = iops;
1056 let AsmString = asm;
1057 let Pattern = pattern;
1058 list<Predicate> Predicates = [IsThumb2];
1061 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1062 InstrItinClass itin,
1063 string asm, string cstr, list<dag> pattern>
1064 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1065 let OutOperandList = oops;
1066 let InOperandList = iops;
1067 let AsmString = asm;
1068 let Pattern = pattern;
1069 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1072 class T2I<dag oops, dag iops, InstrItinClass itin,
1073 string opc, string asm, list<dag> pattern>
1074 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1075 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1076 string opc, string asm, list<dag> pattern>
1077 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1078 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1079 string opc, string asm, list<dag> pattern>
1080 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1081 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1082 string opc, string asm, list<dag> pattern>
1083 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1084 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1085 string opc, string asm, list<dag> pattern>
1086 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1087 class T2Ii8s4<bit P, bit W, bit isLoad, dag oops, dag iops, InstrItinClass itin,
1088 string opc, string asm, list<dag> pattern>
1089 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1094 let Inst{31-25} = 0b1110100;
1096 let Inst{23} = addr{8};
1099 let Inst{20} = isLoad;
1100 let Inst{19-16} = addr{12-9};
1101 let Inst{15-12} = Rt{3-0};
1102 let Inst{11-8} = Rt2{3-0};
1103 let Inst{7-0} = addr{7-0};
1106 class T2sI<dag oops, dag iops, InstrItinClass itin,
1107 string opc, string asm, list<dag> pattern>
1108 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1110 class T2XI<dag oops, dag iops, InstrItinClass itin,
1111 string asm, list<dag> pattern>
1112 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1113 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1114 string asm, list<dag> pattern>
1115 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1117 // Move to/from coprocessor instructions
1118 class T2Cop<dag oops, dag iops, string asm, list<dag> pattern>
1119 : T2XI<oops, iops, NoItinerary, asm, pattern>, Requires<[IsThumb2, HasV6]> {
1120 let Inst{31-28} = 0b1111;
1123 // Two-address instructions
1124 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1125 string asm, string cstr, list<dag> pattern>
1126 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1128 // T2Iidxldst - Thumb2 indexed load / store instructions.
1129 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1131 AddrMode am, IndexMode im, InstrItinClass itin,
1132 string opc, string asm, string cstr, list<dag> pattern>
1133 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1134 let OutOperandList = oops;
1135 let InOperandList = !con(iops, (ins pred:$p));
1136 let AsmString = !strconcat(opc, "${p}", asm);
1137 let Pattern = pattern;
1138 list<Predicate> Predicates = [IsThumb2];
1139 let Inst{31-27} = 0b11111;
1140 let Inst{26-25} = 0b00;
1141 let Inst{24} = signed;
1143 let Inst{22-21} = opcod;
1144 let Inst{20} = load;
1146 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1147 let Inst{10} = pre; // The P bit.
1148 let Inst{8} = 1; // The W bit.
1151 let Inst{7-0} = addr{7-0};
1152 let Inst{9} = addr{8}; // Sign bit
1156 let Inst{15-12} = Rt{3-0};
1157 let Inst{19-16} = Rn{3-0};
1160 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1161 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1162 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1165 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1166 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1167 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1170 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1171 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1172 list<Predicate> Predicates = [IsThumb2];
1175 //===----------------------------------------------------------------------===//
1177 //===----------------------------------------------------------------------===//
1178 // ARM VFP Instruction templates.
1181 // Almost all VFP instructions are predicable.
1182 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1183 IndexMode im, Format f, InstrItinClass itin,
1184 string opc, string asm, string cstr, list<dag> pattern>
1185 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1187 let Inst{31-28} = p;
1188 let OutOperandList = oops;
1189 let InOperandList = !con(iops, (ins pred:$p));
1190 let AsmString = !strconcat(opc, "${p}", asm);
1191 let Pattern = pattern;
1192 let PostEncoderMethod = "VFPThumb2PostEncoder";
1193 list<Predicate> Predicates = [HasVFP2];
1197 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1198 IndexMode im, Format f, InstrItinClass itin,
1199 string asm, string cstr, list<dag> pattern>
1200 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1202 let Inst{31-28} = p;
1203 let OutOperandList = oops;
1204 let InOperandList = iops;
1205 let AsmString = asm;
1206 let Pattern = pattern;
1207 let PostEncoderMethod = "VFPThumb2PostEncoder";
1208 list<Predicate> Predicates = [HasVFP2];
1211 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1212 string opc, string asm, list<dag> pattern>
1213 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1214 opc, asm, "", pattern> {
1215 let PostEncoderMethod = "VFPThumb2PostEncoder";
1218 // ARM VFP addrmode5 loads and stores
1219 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1220 InstrItinClass itin,
1221 string opc, string asm, list<dag> pattern>
1222 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1223 VFPLdStFrm, itin, opc, asm, "", pattern> {
1224 // Instruction operands.
1228 // Encode instruction operands.
1229 let Inst{23} = addr{8}; // U (add = (U == '1'))
1230 let Inst{22} = Dd{4};
1231 let Inst{19-16} = addr{12-9}; // Rn
1232 let Inst{15-12} = Dd{3-0};
1233 let Inst{7-0} = addr{7-0}; // imm8
1235 // TODO: Mark the instructions with the appropriate subtarget info.
1236 let Inst{27-24} = opcod1;
1237 let Inst{21-20} = opcod2;
1238 let Inst{11-9} = 0b101;
1239 let Inst{8} = 1; // Double precision
1241 // Loads & stores operate on both NEON and VFP pipelines.
1242 let D = VFPNeonDomain;
1245 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1246 InstrItinClass itin,
1247 string opc, string asm, list<dag> pattern>
1248 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1249 VFPLdStFrm, itin, opc, asm, "", pattern> {
1250 // Instruction operands.
1254 // Encode instruction operands.
1255 let Inst{23} = addr{8}; // U (add = (U == '1'))
1256 let Inst{22} = Sd{0};
1257 let Inst{19-16} = addr{12-9}; // Rn
1258 let Inst{15-12} = Sd{4-1};
1259 let Inst{7-0} = addr{7-0}; // imm8
1261 // TODO: Mark the instructions with the appropriate subtarget info.
1262 let Inst{27-24} = opcod1;
1263 let Inst{21-20} = opcod2;
1264 let Inst{11-9} = 0b101;
1265 let Inst{8} = 0; // Single precision
1267 // Loads & stores operate on both NEON and VFP pipelines.
1268 let D = VFPNeonDomain;
1271 // VFP Load / store multiple pseudo instructions.
1272 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1274 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1276 let OutOperandList = oops;
1277 let InOperandList = !con(iops, (ins pred:$p));
1278 let Pattern = pattern;
1279 list<Predicate> Predicates = [HasVFP2];
1282 // Load / store multiple
1283 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1284 string asm, string cstr, list<dag> pattern>
1285 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1286 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1287 // Instruction operands.
1291 // Encode instruction operands.
1292 let Inst{19-16} = Rn;
1293 let Inst{22} = regs{12};
1294 let Inst{15-12} = regs{11-8};
1295 let Inst{7-0} = regs{7-0};
1297 // TODO: Mark the instructions with the appropriate subtarget info.
1298 let Inst{27-25} = 0b110;
1299 let Inst{11-9} = 0b101;
1300 let Inst{8} = 1; // Double precision
1303 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1304 string asm, string cstr, list<dag> pattern>
1305 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1306 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1307 // Instruction operands.
1311 // Encode instruction operands.
1312 let Inst{19-16} = Rn;
1313 let Inst{22} = regs{8};
1314 let Inst{15-12} = regs{12-9};
1315 let Inst{7-0} = regs{7-0};
1317 // TODO: Mark the instructions with the appropriate subtarget info.
1318 let Inst{27-25} = 0b110;
1319 let Inst{11-9} = 0b101;
1320 let Inst{8} = 0; // Single precision
1323 // Double precision, unary
1324 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1325 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1326 string asm, list<dag> pattern>
1327 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1328 // Instruction operands.
1332 // Encode instruction operands.
1333 let Inst{3-0} = Dm{3-0};
1334 let Inst{5} = Dm{4};
1335 let Inst{15-12} = Dd{3-0};
1336 let Inst{22} = Dd{4};
1338 let Inst{27-23} = opcod1;
1339 let Inst{21-20} = opcod2;
1340 let Inst{19-16} = opcod3;
1341 let Inst{11-9} = 0b101;
1342 let Inst{8} = 1; // Double precision
1343 let Inst{7-6} = opcod4;
1344 let Inst{4} = opcod5;
1347 // Double precision, binary
1348 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1349 dag iops, InstrItinClass itin, string opc, string asm,
1351 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1352 // Instruction operands.
1357 // Encode instruction operands.
1358 let Inst{3-0} = Dm{3-0};
1359 let Inst{5} = Dm{4};
1360 let Inst{19-16} = Dn{3-0};
1361 let Inst{7} = Dn{4};
1362 let Inst{15-12} = Dd{3-0};
1363 let Inst{22} = Dd{4};
1365 let Inst{27-23} = opcod1;
1366 let Inst{21-20} = opcod2;
1367 let Inst{11-9} = 0b101;
1368 let Inst{8} = 1; // Double precision
1373 // Single precision, unary
1374 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1375 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1376 string asm, list<dag> pattern>
1377 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1378 // Instruction operands.
1382 // Encode instruction operands.
1383 let Inst{3-0} = Sm{4-1};
1384 let Inst{5} = Sm{0};
1385 let Inst{15-12} = Sd{4-1};
1386 let Inst{22} = Sd{0};
1388 let Inst{27-23} = opcod1;
1389 let Inst{21-20} = opcod2;
1390 let Inst{19-16} = opcod3;
1391 let Inst{11-9} = 0b101;
1392 let Inst{8} = 0; // Single precision
1393 let Inst{7-6} = opcod4;
1394 let Inst{4} = opcod5;
1397 // Single precision unary, if no NEON. Same as ASuI except not available if
1399 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1400 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1401 string asm, list<dag> pattern>
1402 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1404 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1407 // Single precision, binary
1408 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1409 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1410 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1411 // Instruction operands.
1416 // Encode instruction operands.
1417 let Inst{3-0} = Sm{4-1};
1418 let Inst{5} = Sm{0};
1419 let Inst{19-16} = Sn{4-1};
1420 let Inst{7} = Sn{0};
1421 let Inst{15-12} = Sd{4-1};
1422 let Inst{22} = Sd{0};
1424 let Inst{27-23} = opcod1;
1425 let Inst{21-20} = opcod2;
1426 let Inst{11-9} = 0b101;
1427 let Inst{8} = 0; // Single precision
1432 // Single precision binary, if no NEON. Same as ASbI except not available if
1434 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1435 dag iops, InstrItinClass itin, string opc, string asm,
1437 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1438 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1440 // Instruction operands.
1445 // Encode instruction operands.
1446 let Inst{3-0} = Sm{4-1};
1447 let Inst{5} = Sm{0};
1448 let Inst{19-16} = Sn{4-1};
1449 let Inst{7} = Sn{0};
1450 let Inst{15-12} = Sd{4-1};
1451 let Inst{22} = Sd{0};
1454 // VFP conversion instructions
1455 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1456 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1458 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1459 let Inst{27-23} = opcod1;
1460 let Inst{21-20} = opcod2;
1461 let Inst{19-16} = opcod3;
1462 let Inst{11-8} = opcod4;
1467 // VFP conversion between floating-point and fixed-point
1468 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1469 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1471 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1472 // size (fixed-point number): sx == 0 ? 16 : 32
1473 let Inst{7} = op5; // sx
1476 // VFP conversion instructions, if no NEON
1477 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1478 dag oops, dag iops, InstrItinClass itin,
1479 string opc, string asm, list<dag> pattern>
1480 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1482 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1485 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1486 InstrItinClass itin,
1487 string opc, string asm, list<dag> pattern>
1488 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1489 let Inst{27-20} = opcod1;
1490 let Inst{11-8} = opcod2;
1494 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1495 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1496 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1498 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1499 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1500 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1502 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1503 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1504 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1506 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1507 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1508 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1510 //===----------------------------------------------------------------------===//
1512 //===----------------------------------------------------------------------===//
1513 // ARM NEON Instruction templates.
1516 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1517 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1519 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1520 let OutOperandList = oops;
1521 let InOperandList = !con(iops, (ins pred:$p));
1522 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1523 let Pattern = pattern;
1524 list<Predicate> Predicates = [HasNEON];
1527 // Same as NeonI except it does not have a "data type" specifier.
1528 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1529 InstrItinClass itin, string opc, string asm, string cstr,
1531 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1532 let OutOperandList = oops;
1533 let InOperandList = !con(iops, (ins pred:$p));
1534 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1535 let Pattern = pattern;
1536 list<Predicate> Predicates = [HasNEON];
1539 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1540 dag oops, dag iops, InstrItinClass itin,
1541 string opc, string dt, string asm, string cstr, list<dag> pattern>
1542 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1544 let Inst{31-24} = 0b11110100;
1545 let Inst{23} = op23;
1546 let Inst{21-20} = op21_20;
1547 let Inst{11-8} = op11_8;
1548 let Inst{7-4} = op7_4;
1550 let PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1556 let Inst{22} = Vd{4};
1557 let Inst{15-12} = Vd{3-0};
1558 let Inst{19-16} = Rn{3-0};
1559 let Inst{3-0} = Rm{3-0};
1562 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1563 dag oops, dag iops, InstrItinClass itin,
1564 string opc, string dt, string asm, string cstr, list<dag> pattern>
1565 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1566 dt, asm, cstr, pattern> {
1570 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1571 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1573 let OutOperandList = oops;
1574 let InOperandList = !con(iops, (ins pred:$p));
1575 list<Predicate> Predicates = [HasNEON];
1578 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1580 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1582 let OutOperandList = oops;
1583 let InOperandList = !con(iops, (ins pred:$p));
1584 let Pattern = pattern;
1585 list<Predicate> Predicates = [HasNEON];
1588 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1589 string opc, string dt, string asm, string cstr, list<dag> pattern>
1590 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1592 let Inst{31-25} = 0b1111001;
1593 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1596 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1597 string opc, string asm, string cstr, list<dag> pattern>
1598 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1600 let Inst{31-25} = 0b1111001;
1601 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1604 // NEON "one register and a modified immediate" format.
1605 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1607 dag oops, dag iops, InstrItinClass itin,
1608 string opc, string dt, string asm, string cstr,
1610 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1611 let Inst{23} = op23;
1612 let Inst{21-19} = op21_19;
1613 let Inst{11-8} = op11_8;
1619 // Instruction operands.
1623 let Inst{15-12} = Vd{3-0};
1624 let Inst{22} = Vd{4};
1625 let Inst{24} = SIMM{7};
1626 let Inst{18-16} = SIMM{6-4};
1627 let Inst{3-0} = SIMM{3-0};
1630 // NEON 2 vector register format.
1631 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1632 bits<5> op11_7, bit op6, bit op4,
1633 dag oops, dag iops, InstrItinClass itin,
1634 string opc, string dt, string asm, string cstr, list<dag> pattern>
1635 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1636 let Inst{24-23} = op24_23;
1637 let Inst{21-20} = op21_20;
1638 let Inst{19-18} = op19_18;
1639 let Inst{17-16} = op17_16;
1640 let Inst{11-7} = op11_7;
1644 // Instruction operands.
1648 let Inst{15-12} = Vd{3-0};
1649 let Inst{22} = Vd{4};
1650 let Inst{3-0} = Vm{3-0};
1651 let Inst{5} = Vm{4};
1654 // Same as N2V except it doesn't have a datatype suffix.
1655 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1656 bits<5> op11_7, bit op6, bit op4,
1657 dag oops, dag iops, InstrItinClass itin,
1658 string opc, string asm, string cstr, list<dag> pattern>
1659 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1660 let Inst{24-23} = op24_23;
1661 let Inst{21-20} = op21_20;
1662 let Inst{19-18} = op19_18;
1663 let Inst{17-16} = op17_16;
1664 let Inst{11-7} = op11_7;
1668 // Instruction operands.
1672 let Inst{15-12} = Vd{3-0};
1673 let Inst{22} = Vd{4};
1674 let Inst{3-0} = Vm{3-0};
1675 let Inst{5} = Vm{4};
1678 // NEON 2 vector register with immediate.
1679 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1680 dag oops, dag iops, Format f, InstrItinClass itin,
1681 string opc, string dt, string asm, string cstr, list<dag> pattern>
1682 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1683 let Inst{24} = op24;
1684 let Inst{23} = op23;
1685 let Inst{11-8} = op11_8;
1690 // Instruction operands.
1695 let Inst{15-12} = Vd{3-0};
1696 let Inst{22} = Vd{4};
1697 let Inst{3-0} = Vm{3-0};
1698 let Inst{5} = Vm{4};
1699 let Inst{21-16} = SIMM{5-0};
1702 // NEON 3 vector register format.
1704 class N3VCommon<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1705 dag oops, dag iops, Format f, InstrItinClass itin,
1706 string opc, string dt, string asm, string cstr, list<dag> pattern>
1707 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1708 let Inst{24} = op24;
1709 let Inst{23} = op23;
1710 let Inst{21-20} = op21_20;
1711 let Inst{11-8} = op11_8;
1716 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1717 dag oops, dag iops, Format f, InstrItinClass itin,
1718 string opc, string dt, string asm, string cstr, list<dag> pattern>
1719 : N3VCommon<op24, op23, op21_20, op11_8, op6, op4,
1720 oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1722 // Instruction operands.
1727 let Inst{15-12} = Vd{3-0};
1728 let Inst{22} = Vd{4};
1729 let Inst{19-16} = Vn{3-0};
1730 let Inst{7} = Vn{4};
1731 let Inst{3-0} = Vm{3-0};
1732 let Inst{5} = Vm{4};
1735 class N3VLane32<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1736 dag oops, dag iops, Format f, InstrItinClass itin,
1737 string opc, string dt, string asm, string cstr, list<dag> pattern>
1738 : N3VCommon<op24, op23, op21_20, op11_8, op6, op4,
1739 oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1741 // Instruction operands.
1747 let Inst{15-12} = Vd{3-0};
1748 let Inst{22} = Vd{4};
1749 let Inst{19-16} = Vn{3-0};
1750 let Inst{7} = Vn{4};
1751 let Inst{3-0} = Vm{3-0};
1755 class N3VLane16<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1756 dag oops, dag iops, Format f, InstrItinClass itin,
1757 string opc, string dt, string asm, string cstr, list<dag> pattern>
1758 : N3VCommon<op24, op23, op21_20, op11_8, op6, op4,
1759 oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1761 // Instruction operands.
1767 let Inst{15-12} = Vd{3-0};
1768 let Inst{22} = Vd{4};
1769 let Inst{19-16} = Vn{3-0};
1770 let Inst{7} = Vn{4};
1771 let Inst{2-0} = Vm{2-0};
1772 let Inst{5} = lane{1};
1773 let Inst{3} = lane{0};
1776 // Same as N3V except it doesn't have a data type suffix.
1777 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1779 dag oops, dag iops, Format f, InstrItinClass itin,
1780 string opc, string asm, string cstr, list<dag> pattern>
1781 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1782 let Inst{24} = op24;
1783 let Inst{23} = op23;
1784 let Inst{21-20} = op21_20;
1785 let Inst{11-8} = op11_8;
1789 // Instruction operands.
1794 let Inst{15-12} = Vd{3-0};
1795 let Inst{22} = Vd{4};
1796 let Inst{19-16} = Vn{3-0};
1797 let Inst{7} = Vn{4};
1798 let Inst{3-0} = Vm{3-0};
1799 let Inst{5} = Vm{4};
1802 // NEON VMOVs between scalar and core registers.
1803 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1804 dag oops, dag iops, Format f, InstrItinClass itin,
1805 string opc, string dt, string asm, list<dag> pattern>
1806 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1808 let Inst{27-20} = opcod1;
1809 let Inst{11-8} = opcod2;
1810 let Inst{6-5} = opcod3;
1813 let OutOperandList = oops;
1814 let InOperandList = !con(iops, (ins pred:$p));
1815 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1816 let Pattern = pattern;
1817 list<Predicate> Predicates = [HasNEON];
1819 let PostEncoderMethod = "NEONThumb2DupPostEncoder";
1826 let Inst{31-28} = p{3-0};
1828 let Inst{19-16} = V{3-0};
1829 let Inst{15-12} = R{3-0};
1831 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1832 dag oops, dag iops, InstrItinClass itin,
1833 string opc, string dt, string asm, list<dag> pattern>
1834 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1835 opc, dt, asm, pattern>;
1836 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1837 dag oops, dag iops, InstrItinClass itin,
1838 string opc, string dt, string asm, list<dag> pattern>
1839 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1840 opc, dt, asm, pattern>;
1841 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1842 dag oops, dag iops, InstrItinClass itin,
1843 string opc, string dt, string asm, list<dag> pattern>
1844 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1845 opc, dt, asm, pattern>;
1847 // Vector Duplicate Lane (from scalar to all elements)
1848 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1849 InstrItinClass itin, string opc, string dt, string asm,
1851 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1852 let Inst{24-23} = 0b11;
1853 let Inst{21-20} = 0b11;
1854 let Inst{19-16} = op19_16;
1855 let Inst{11-7} = 0b11000;
1863 let Inst{22} = Vd{4};
1864 let Inst{15-12} = Vd{3-0};
1865 let Inst{5} = Vm{4};
1866 let Inst{3-0} = Vm{3-0};
1869 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1870 // for single-precision FP.
1871 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1872 list<Predicate> Predicates = [HasNEON,UseNEONForFP];