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 DPSoRegRegFrm : 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>;
71 def DPSoRegImmFrm : Format<42>;
75 // The instruction has an Rn register operand.
76 // UnaryDP - Indicates this is a unary data processing instruction, i.e.
77 // it doesn't have a Rn operand.
78 class UnaryDP { bit isUnaryDataProc = 1; }
80 // Xform16Bit - Indicates this Thumb2 instruction may be transformed into
81 // a 16-bit Thumb instruction if certain conditions are met.
82 class Xform16Bit { bit canXformTo16Bit = 1; }
84 //===----------------------------------------------------------------------===//
85 // ARM Instruction flags. These need to match ARMBaseInstrInfo.h.
88 // FIXME: Once the JIT is MC-ized, these can go away.
90 class AddrMode<bits<5> val> {
93 def AddrModeNone : AddrMode<0>;
94 def AddrMode1 : AddrMode<1>;
95 def AddrMode2 : AddrMode<2>;
96 def AddrMode3 : AddrMode<3>;
97 def AddrMode4 : AddrMode<4>;
98 def AddrMode5 : AddrMode<5>;
99 def AddrMode6 : AddrMode<6>;
100 def AddrModeT1_1 : AddrMode<7>;
101 def AddrModeT1_2 : AddrMode<8>;
102 def AddrModeT1_4 : AddrMode<9>;
103 def AddrModeT1_s : AddrMode<10>;
104 def AddrModeT2_i12 : AddrMode<11>;
105 def AddrModeT2_i8 : AddrMode<12>;
106 def AddrModeT2_so : AddrMode<13>;
107 def AddrModeT2_pc : AddrMode<14>;
108 def AddrModeT2_i8s4 : AddrMode<15>;
109 def AddrMode_i12 : AddrMode<16>;
111 // Load / store index mode.
112 class IndexMode<bits<2> val> {
115 def IndexModeNone : IndexMode<0>;
116 def IndexModePre : IndexMode<1>;
117 def IndexModePost : IndexMode<2>;
118 def IndexModeUpd : IndexMode<3>;
120 // Instruction execution domain.
121 class Domain<bits<3> val> {
124 def GenericDomain : Domain<0>;
125 def VFPDomain : Domain<1>; // Instructions in VFP domain only
126 def NeonDomain : Domain<2>; // Instructions in Neon domain only
127 def VFPNeonDomain : Domain<3>; // Instructions in both VFP & Neon domains
128 def VFPNeonA8Domain : Domain<5>; // Instructions in VFP & Neon under A8
130 //===----------------------------------------------------------------------===//
131 // ARM special operands.
134 // ARM imod and iflag operands, used only by the CPS instruction.
135 def imod_op : Operand<i32> {
136 let PrintMethod = "printCPSIMod";
139 def ProcIFlagsOperand : AsmOperandClass {
140 let Name = "ProcIFlags";
141 let ParserMethod = "parseProcIFlagsOperand";
143 def iflags_op : Operand<i32> {
144 let PrintMethod = "printCPSIFlag";
145 let ParserMatchClass = ProcIFlagsOperand;
148 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
149 // register whose default is 0 (no register).
150 def CondCodeOperand : AsmOperandClass { let Name = "CondCode"; }
151 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
152 (ops (i32 14), (i32 zero_reg))> {
153 let PrintMethod = "printPredicateOperand";
154 let ParserMatchClass = CondCodeOperand;
155 let DecoderMethod = "DecodePredicateOperand";
158 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
159 def CCOutOperand : AsmOperandClass { let Name = "CCOut"; }
160 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
161 let EncoderMethod = "getCCOutOpValue";
162 let PrintMethod = "printSBitModifierOperand";
163 let ParserMatchClass = CCOutOperand;
164 let DecoderMethod = "DecodeCCOutOperand";
167 // Same as cc_out except it defaults to setting CPSR.
168 def s_cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 CPSR))> {
169 let EncoderMethod = "getCCOutOpValue";
170 let PrintMethod = "printSBitModifierOperand";
171 let ParserMatchClass = CCOutOperand;
172 let DecoderMethod = "DecodeCCOutOperand";
175 // ARM special operands for disassembly only.
177 def SetEndAsmOperand : AsmOperandClass {
178 let Name = "SetEndImm";
179 let ParserMethod = "parseSetEndImm";
181 def setend_op : Operand<i32> {
182 let PrintMethod = "printSetendOperand";
183 let ParserMatchClass = SetEndAsmOperand;
186 def MSRMaskOperand : AsmOperandClass {
187 let Name = "MSRMask";
188 let ParserMethod = "parseMSRMaskOperand";
190 def msr_mask : Operand<i32> {
191 let PrintMethod = "printMSRMaskOperand";
192 let DecoderMethod = "DecodeMSRMask";
193 let ParserMatchClass = MSRMaskOperand;
196 // Shift Right Immediate - A shift right immediate is encoded differently from
197 // other shift immediates. The imm6 field is encoded like so:
200 // 8 imm6<5:3> = '001', 8 - <imm> is encoded in imm6<2:0>
201 // 16 imm6<5:4> = '01', 16 - <imm> is encoded in imm6<3:0>
202 // 32 imm6<5> = '1', 32 - <imm> is encoded in imm6<4:0>
203 // 64 64 - <imm> is encoded in imm6<5:0>
204 def shr_imm8 : Operand<i32> {
205 let EncoderMethod = "getShiftRight8Imm";
206 let DecoderMethod = "DecodeShiftRight8Imm";
208 def shr_imm16 : Operand<i32> {
209 let EncoderMethod = "getShiftRight16Imm";
210 let DecoderMethod = "DecodeShiftRight16Imm";
212 def shr_imm32 : Operand<i32> {
213 let EncoderMethod = "getShiftRight32Imm";
214 let DecoderMethod = "DecodeShiftRight32Imm";
216 def shr_imm64 : Operand<i32> {
217 let EncoderMethod = "getShiftRight64Imm";
218 let DecoderMethod = "DecodeShiftRight64Imm";
221 //===----------------------------------------------------------------------===//
222 // ARM Instruction templates.
225 class InstTemplate<AddrMode am, int sz, IndexMode im,
226 Format f, Domain d, string cstr, InstrItinClass itin>
228 let Namespace = "ARM";
233 bits<2> IndexModeBits = IM.Value;
235 bits<6> Form = F.Value;
237 bit isUnaryDataProc = 0;
238 bit canXformTo16Bit = 0;
239 // The instruction is a 16-bit flag setting Thumb instruction. Used
240 // by the parser to determine whether to require the 'S' suffix on the
241 // mnemonic (when not in an IT block) or preclude it (when in an IT block).
242 bit thumbArithFlagSetting = 0;
244 // If this is a pseudo instruction, mark it isCodeGenOnly.
245 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
247 // The layout of TSFlags should be kept in sync with ARMBaseInfo.h.
248 let TSFlags{4-0} = AM.Value;
249 let TSFlags{6-5} = IndexModeBits;
250 let TSFlags{12-7} = Form;
251 let TSFlags{13} = isUnaryDataProc;
252 let TSFlags{14} = canXformTo16Bit;
253 let TSFlags{17-15} = D.Value;
254 let TSFlags{18} = thumbArithFlagSetting;
256 let Constraints = cstr;
257 let Itinerary = itin;
264 class InstARM<AddrMode am, int sz, IndexMode im,
265 Format f, Domain d, string cstr, InstrItinClass itin>
266 : InstTemplate<am, sz, im, f, d, cstr, itin>, Encoding {
267 let DecoderNamespace = "ARM";
270 // This Encoding-less class is used by Thumb1 to specify the encoding bits later
271 // on by adding flavors to specific instructions.
272 class InstThumb<AddrMode am, int sz, IndexMode im,
273 Format f, Domain d, string cstr, InstrItinClass itin>
274 : InstTemplate<am, sz, im, f, d, cstr, itin> {
275 let DecoderNamespace = "Thumb";
278 class PseudoInst<dag oops, dag iops, InstrItinClass itin, list<dag> pattern>
279 : InstTemplate<AddrModeNone, 0, IndexModeNone, Pseudo,
280 GenericDomain, "", itin> {
281 let OutOperandList = oops;
282 let InOperandList = iops;
283 let Pattern = pattern;
284 let isCodeGenOnly = 1;
288 // PseudoInst that's ARM-mode only.
289 class ARMPseudoInst<dag oops, dag iops, int sz, InstrItinClass itin,
291 : PseudoInst<oops, iops, itin, pattern> {
293 list<Predicate> Predicates = [IsARM];
296 // PseudoInst that's Thumb-mode only.
297 class tPseudoInst<dag oops, dag iops, int sz, InstrItinClass itin,
299 : PseudoInst<oops, iops, itin, pattern> {
301 list<Predicate> Predicates = [IsThumb];
304 // PseudoInst that's Thumb2-mode only.
305 class t2PseudoInst<dag oops, dag iops, int sz, InstrItinClass itin,
307 : PseudoInst<oops, iops, itin, pattern> {
309 list<Predicate> Predicates = [IsThumb2];
312 class ARMPseudoExpand<dag oops, dag iops, int sz,
313 InstrItinClass itin, list<dag> pattern,
315 : ARMPseudoInst<oops, iops, sz, itin, pattern>,
316 PseudoInstExpansion<Result>;
318 class tPseudoExpand<dag oops, dag iops, int sz,
319 InstrItinClass itin, list<dag> pattern,
321 : tPseudoInst<oops, iops, sz, itin, pattern>,
322 PseudoInstExpansion<Result>;
324 class t2PseudoExpand<dag oops, dag iops, int sz,
325 InstrItinClass itin, list<dag> pattern,
327 : t2PseudoInst<oops, iops, sz, itin, pattern>,
328 PseudoInstExpansion<Result>;
330 // Almost all ARM instructions are predicable.
331 class I<dag oops, dag iops, AddrMode am, int sz,
332 IndexMode im, Format f, InstrItinClass itin,
333 string opc, string asm, string cstr,
335 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
338 let OutOperandList = oops;
339 let InOperandList = !con(iops, (ins pred:$p));
340 let AsmString = !strconcat(opc, "${p}", asm);
341 let Pattern = pattern;
342 list<Predicate> Predicates = [IsARM];
345 // A few are not predicable
346 class InoP<dag oops, dag iops, AddrMode am, int sz,
347 IndexMode im, Format f, InstrItinClass itin,
348 string opc, string asm, string cstr,
350 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
351 let OutOperandList = oops;
352 let InOperandList = iops;
353 let AsmString = !strconcat(opc, asm);
354 let Pattern = pattern;
355 let isPredicable = 0;
356 list<Predicate> Predicates = [IsARM];
359 // Same as I except it can optionally modify CPSR. Note it's modeled as an input
360 // operand since by default it's a zero register. It will become an implicit def
361 // once it's "flipped".
362 class sI<dag oops, dag iops, AddrMode am, int sz,
363 IndexMode im, Format f, InstrItinClass itin,
364 string opc, string asm, string cstr,
366 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
367 bits<4> p; // Predicate operand
368 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
372 let OutOperandList = oops;
373 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
374 let AsmString = !strconcat(opc, "${s}${p}", asm);
375 let Pattern = pattern;
376 list<Predicate> Predicates = [IsARM];
380 class XI<dag oops, dag iops, AddrMode am, int sz,
381 IndexMode im, Format f, InstrItinClass itin,
382 string asm, string cstr, list<dag> pattern>
383 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
384 let OutOperandList = oops;
385 let InOperandList = iops;
387 let Pattern = pattern;
388 list<Predicate> Predicates = [IsARM];
391 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
392 string opc, string asm, list<dag> pattern>
393 : I<oops, iops, AddrModeNone, 4, IndexModeNone, f, itin,
394 opc, asm, "", pattern>;
395 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
396 string opc, string asm, list<dag> pattern>
397 : sI<oops, iops, AddrModeNone, 4, IndexModeNone, f, itin,
398 opc, asm, "", pattern>;
399 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
400 string asm, list<dag> pattern>
401 : XI<oops, iops, AddrModeNone, 4, IndexModeNone, f, itin,
403 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
404 string opc, string asm, list<dag> pattern>
405 : InoP<oops, iops, AddrModeNone, 4, IndexModeNone, f, itin,
406 opc, asm, "", pattern>;
408 // Ctrl flow instructions
409 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
410 string opc, string asm, list<dag> pattern>
411 : I<oops, iops, AddrModeNone, 4, IndexModeNone, BrFrm, itin,
412 opc, asm, "", pattern> {
413 let Inst{27-24} = opcod;
415 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
416 string asm, list<dag> pattern>
417 : XI<oops, iops, AddrModeNone, 4, IndexModeNone, BrFrm, itin,
419 let Inst{27-24} = opcod;
422 // BR_JT instructions
423 class JTI<dag oops, dag iops, InstrItinClass itin,
424 string asm, list<dag> pattern>
425 : XI<oops, iops, AddrModeNone, 0, IndexModeNone, BrMiscFrm, itin,
428 // Atomic load/store instructions
429 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
430 string opc, string asm, list<dag> pattern>
431 : I<oops, iops, AddrModeNone, 4, IndexModeNone, LdStExFrm, itin,
432 opc, asm, "", pattern> {
435 let Inst{27-23} = 0b00011;
436 let Inst{22-21} = opcod;
438 let Inst{19-16} = addr;
439 let Inst{15-12} = Rt;
440 let Inst{11-0} = 0b111110011111;
442 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
443 string opc, string asm, list<dag> pattern>
444 : I<oops, iops, AddrModeNone, 4, IndexModeNone, LdStExFrm, itin,
445 opc, asm, "", pattern> {
449 let Inst{27-23} = 0b00011;
450 let Inst{22-21} = opcod;
452 let Inst{19-16} = addr;
453 let Inst{15-12} = Rd;
454 let Inst{11-4} = 0b11111001;
457 class AIswp<bit b, dag oops, dag iops, string opc, list<dag> pattern>
458 : AI<oops, iops, MiscFrm, NoItinerary, opc, "\t$Rt, $Rt2, $addr", pattern> {
462 let Inst{27-23} = 0b00010;
464 let Inst{21-20} = 0b00;
465 let Inst{19-16} = addr;
466 let Inst{15-12} = Rt;
467 let Inst{11-4} = 0b00001001;
471 // addrmode1 instructions
472 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
473 string opc, string asm, list<dag> pattern>
474 : I<oops, iops, AddrMode1, 4, IndexModeNone, f, itin,
475 opc, asm, "", pattern> {
476 let Inst{24-21} = opcod;
477 let Inst{27-26} = 0b00;
479 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
480 string opc, string asm, list<dag> pattern>
481 : sI<oops, iops, AddrMode1, 4, IndexModeNone, f, itin,
482 opc, asm, "", pattern> {
483 let Inst{24-21} = opcod;
484 let Inst{27-26} = 0b00;
486 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
487 string asm, list<dag> pattern>
488 : XI<oops, iops, AddrMode1, 4, IndexModeNone, f, itin,
490 let Inst{24-21} = opcod;
491 let Inst{27-26} = 0b00;
496 // LDR/LDRB/STR/STRB/...
497 class AI2ldst<bits<3> op, bit isLd, bit isByte, dag oops, dag iops, AddrMode am,
498 Format f, InstrItinClass itin, string opc, string asm,
500 : I<oops, iops, am, 4, IndexModeNone, f, itin, opc, asm,
502 let Inst{27-25} = op;
503 let Inst{24} = 1; // 24 == P
505 let Inst{22} = isByte;
506 let Inst{21} = 0; // 21 == W
509 // Indexed load/stores
510 class AI2ldstidx<bit isLd, bit isByte, bit isPre, dag oops, dag iops,
511 IndexMode im, Format f, InstrItinClass itin, string opc,
512 string asm, string cstr, list<dag> pattern>
513 : I<oops, iops, AddrMode2, 4, im, f, itin,
514 opc, asm, cstr, pattern> {
516 let Inst{27-26} = 0b01;
517 let Inst{24} = isPre; // P bit
518 let Inst{22} = isByte; // B bit
519 let Inst{21} = isPre; // W bit
520 let Inst{20} = isLd; // L bit
521 let Inst{15-12} = Rt;
523 class AI2stridx_reg<bit isByte, bit isPre, dag oops, dag iops,
524 IndexMode im, Format f, InstrItinClass itin, string opc,
525 string asm, string cstr, list<dag> pattern>
526 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
528 // AM2 store w/ two operands: (GPR, am2offset)
534 let Inst{23} = offset{12};
535 let Inst{19-16} = Rn;
536 let Inst{11-5} = offset{11-5};
538 let Inst{3-0} = offset{3-0};
541 class AI2stridx_imm<bit isByte, bit isPre, dag oops, dag iops,
542 IndexMode im, Format f, InstrItinClass itin, string opc,
543 string asm, string cstr, list<dag> pattern>
544 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
546 // AM2 store w/ two operands: (GPR, am2offset)
552 let Inst{23} = offset{12};
553 let Inst{19-16} = Rn;
554 let Inst{11-0} = offset{11-0};
558 // FIXME: Merge with the above class when addrmode2 gets used for STR, STRB
559 // but for now use this class for STRT and STRBT.
560 class AI2stridxT<bit isByte, bit isPre, dag oops, dag iops,
561 IndexMode im, Format f, InstrItinClass itin, string opc,
562 string asm, string cstr, list<dag> pattern>
563 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
565 // AM2 store w/ two operands: (GPR, am2offset)
567 // {13} 1 == Rm, 0 == imm12
571 let Inst{25} = addr{13};
572 let Inst{23} = addr{12};
573 let Inst{19-16} = addr{17-14};
574 let Inst{11-0} = addr{11-0};
577 // addrmode3 instructions
578 class AI3ld<bits<4> op, bit op20, dag oops, dag iops, Format f,
579 InstrItinClass itin, string opc, string asm, list<dag> pattern>
580 : I<oops, iops, AddrMode3, 4, IndexModeNone, f, itin,
581 opc, asm, "", pattern> {
584 let Inst{27-25} = 0b000;
585 let Inst{24} = 1; // P bit
586 let Inst{23} = addr{8}; // U bit
587 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
588 let Inst{21} = 0; // W bit
589 let Inst{20} = op20; // L bit
590 let Inst{19-16} = addr{12-9}; // Rn
591 let Inst{15-12} = Rt; // Rt
592 let Inst{11-8} = addr{7-4}; // imm7_4/zero
594 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
596 let DecoderMethod = "DecodeAddrMode3Instruction";
599 class AI3ldstidx<bits<4> op, bit op20, bit isPre, dag oops, dag iops,
600 IndexMode im, Format f, InstrItinClass itin, string opc,
601 string asm, string cstr, list<dag> pattern>
602 : I<oops, iops, AddrMode3, 4, im, f, itin,
603 opc, asm, cstr, pattern> {
605 let Inst{27-25} = 0b000;
606 let Inst{24} = isPre; // P bit
607 let Inst{21} = isPre; // W bit
608 let Inst{20} = op20; // L bit
609 let Inst{15-12} = Rt; // Rt
613 // FIXME: Merge with the above class when addrmode2 gets used for LDR, LDRB
614 // but for now use this class for LDRSBT, LDRHT, LDSHT.
615 class AI3ldstidxT<bits<4> op, bit isLoad, dag oops, dag iops,
616 IndexMode im, Format f, InstrItinClass itin, string opc,
617 string asm, string cstr, list<dag> pattern>
618 : I<oops, iops, AddrMode3, 4, im, f, itin, opc, asm, cstr, pattern> {
619 // {13} 1 == imm8, 0 == Rm
626 let Inst{27-25} = 0b000;
627 let Inst{24} = 0; // P bit
629 let Inst{20} = isLoad; // L bit
630 let Inst{19-16} = addr; // Rn
631 let Inst{15-12} = Rt; // Rt
636 class AI3str<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
637 string opc, string asm, list<dag> pattern>
638 : I<oops, iops, AddrMode3, 4, IndexModeNone, f, itin,
639 opc, asm, "", pattern> {
642 let Inst{27-25} = 0b000;
643 let Inst{24} = 1; // P bit
644 let Inst{23} = addr{8}; // U bit
645 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
646 let Inst{21} = 0; // W bit
647 let Inst{20} = 0; // L bit
648 let Inst{19-16} = addr{12-9}; // Rn
649 let Inst{15-12} = Rt; // Rt
650 let Inst{11-8} = addr{7-4}; // imm7_4/zero
652 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
653 let DecoderMethod = "DecodeAddrMode3Instruction";
656 // addrmode4 instructions
657 class AXI4<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
658 string asm, string cstr, list<dag> pattern>
659 : XI<oops, iops, AddrMode4, 4, im, f, itin, asm, cstr, pattern> {
664 let Inst{27-25} = 0b100;
665 let Inst{22} = 0; // S bit
666 let Inst{19-16} = Rn;
667 let Inst{15-0} = regs;
670 // Unsigned multiply, multiply-accumulate instructions.
671 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
672 string opc, string asm, list<dag> pattern>
673 : I<oops, iops, AddrModeNone, 4, IndexModeNone, MulFrm, itin,
674 opc, asm, "", pattern> {
675 let Inst{7-4} = 0b1001;
676 let Inst{20} = 0; // S bit
677 let Inst{27-21} = opcod;
679 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
680 string opc, string asm, list<dag> pattern>
681 : sI<oops, iops, AddrModeNone, 4, IndexModeNone, MulFrm, itin,
682 opc, asm, "", pattern> {
683 let Inst{7-4} = 0b1001;
684 let Inst{27-21} = opcod;
687 // Most significant word multiply
688 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
689 InstrItinClass itin, string opc, string asm, list<dag> pattern>
690 : I<oops, iops, AddrModeNone, 4, IndexModeNone, MulFrm, itin,
691 opc, asm, "", pattern> {
695 let Inst{7-4} = opc7_4;
697 let Inst{27-21} = opcod;
698 let Inst{19-16} = Rd;
702 // MSW multiple w/ Ra operand
703 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
704 InstrItinClass itin, string opc, string asm, list<dag> pattern>
705 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
707 let Inst{15-12} = Ra;
710 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
711 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
712 InstrItinClass itin, string opc, string asm, list<dag> pattern>
713 : I<oops, iops, AddrModeNone, 4, IndexModeNone, MulFrm, itin,
714 opc, asm, "", pattern> {
720 let Inst{27-21} = opcod;
721 let Inst{6-5} = bit6_5;
725 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
726 InstrItinClass itin, string opc, string asm, list<dag> pattern>
727 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
729 let Inst{19-16} = Rd;
732 // AMulxyI with Ra operand
733 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
734 InstrItinClass itin, string opc, string asm, list<dag> pattern>
735 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
737 let Inst{15-12} = Ra;
740 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
741 InstrItinClass itin, string opc, string asm, list<dag> pattern>
742 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
745 let Inst{19-16} = RdHi;
746 let Inst{15-12} = RdLo;
749 // Extend instructions.
750 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
751 string opc, string asm, list<dag> pattern>
752 : I<oops, iops, AddrModeNone, 4, IndexModeNone, ExtFrm, itin,
753 opc, asm, "", pattern> {
754 // All AExtI instructions have Rd and Rm register operands.
757 let Inst{15-12} = Rd;
759 let Inst{7-4} = 0b0111;
760 let Inst{9-8} = 0b00;
761 let Inst{27-20} = opcod;
764 // Misc Arithmetic instructions.
765 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
766 InstrItinClass itin, string opc, string asm, list<dag> pattern>
767 : I<oops, iops, AddrModeNone, 4, IndexModeNone, ArithMiscFrm, itin,
768 opc, asm, "", pattern> {
771 let Inst{27-20} = opcod;
772 let Inst{19-16} = 0b1111;
773 let Inst{15-12} = Rd;
774 let Inst{11-8} = 0b1111;
775 let Inst{7-4} = opc7_4;
780 def PKHLSLAsmOperand : AsmOperandClass {
781 let Name = "PKHLSLImm";
782 let ParserMethod = "parsePKHLSLImm";
784 def pkh_lsl_amt: Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 32; }]>{
785 let PrintMethod = "printPKHLSLShiftImm";
786 let ParserMatchClass = PKHLSLAsmOperand;
788 def PKHASRAsmOperand : AsmOperandClass {
789 let Name = "PKHASRImm";
790 let ParserMethod = "parsePKHASRImm";
792 def pkh_asr_amt: Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm <= 32; }]>{
793 let PrintMethod = "printPKHASRShiftImm";
794 let ParserMatchClass = PKHASRAsmOperand;
797 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
798 string opc, string asm, list<dag> pattern>
799 : I<oops, iops, AddrModeNone, 4, IndexModeNone, ArithMiscFrm, itin,
800 opc, asm, "", pattern> {
805 let Inst{27-20} = opcod;
806 let Inst{19-16} = Rn;
807 let Inst{15-12} = Rd;
810 let Inst{5-4} = 0b01;
814 //===----------------------------------------------------------------------===//
816 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
817 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
818 list<Predicate> Predicates = [IsARM];
820 class ARMV5TPat<dag pattern, dag result> : Pat<pattern, result> {
821 list<Predicate> Predicates = [IsARM, HasV5T];
823 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
824 list<Predicate> Predicates = [IsARM, HasV5TE];
826 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
827 list<Predicate> Predicates = [IsARM, HasV6];
830 //===----------------------------------------------------------------------===//
831 // Thumb Instruction Format Definitions.
834 class ThumbI<dag oops, dag iops, AddrMode am, int sz,
835 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
836 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
837 let OutOperandList = oops;
838 let InOperandList = iops;
840 let Pattern = pattern;
841 list<Predicate> Predicates = [IsThumb];
844 // TI - Thumb instruction.
845 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
846 : ThumbI<oops, iops, AddrModeNone, 2, itin, asm, "", pattern>;
848 // Two-address instructions
849 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
851 : ThumbI<oops, iops, AddrModeNone, 2, itin, asm, "$lhs = $dst",
854 // tBL, tBX 32-bit instructions
855 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
856 dag oops, dag iops, InstrItinClass itin, string asm,
858 : ThumbI<oops, iops, AddrModeNone, 4, itin, asm, "", pattern>,
860 let Inst{31-27} = opcod1;
861 let Inst{15-14} = opcod2;
862 let Inst{12} = opcod3;
865 // BR_JT instructions
866 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
868 : ThumbI<oops, iops, AddrModeNone, 0, itin, asm, "", pattern>;
871 class Thumb1I<dag oops, dag iops, AddrMode am, int sz,
872 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
873 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
874 let OutOperandList = oops;
875 let InOperandList = iops;
877 let Pattern = pattern;
878 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
881 class T1I<dag oops, dag iops, InstrItinClass itin,
882 string asm, list<dag> pattern>
883 : Thumb1I<oops, iops, AddrModeNone, 2, itin, asm, "", pattern>;
884 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
885 string asm, list<dag> pattern>
886 : Thumb1I<oops, iops, AddrModeNone, 4, itin, asm, "", pattern>;
888 // Two-address instructions
889 class T1It<dag oops, dag iops, InstrItinClass itin,
890 string asm, string cstr, list<dag> pattern>
891 : Thumb1I<oops, iops, AddrModeNone, 2, itin,
894 // Thumb1 instruction that can either be predicated or set CPSR.
895 class Thumb1sI<dag oops, dag iops, AddrMode am, int sz,
897 string opc, string asm, string cstr, list<dag> pattern>
898 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
899 let OutOperandList = !con(oops, (outs s_cc_out:$s));
900 let InOperandList = !con(iops, (ins pred:$p));
901 let AsmString = !strconcat(opc, "${s}${p}", asm);
902 let Pattern = pattern;
903 let thumbArithFlagSetting = 1;
904 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
907 class T1sI<dag oops, dag iops, InstrItinClass itin,
908 string opc, string asm, list<dag> pattern>
909 : Thumb1sI<oops, iops, AddrModeNone, 2, itin, opc, asm, "", pattern>;
911 // Two-address instructions
912 class T1sIt<dag oops, dag iops, InstrItinClass itin,
913 string opc, string asm, list<dag> pattern>
914 : Thumb1sI<oops, iops, AddrModeNone, 2, itin, opc, asm,
915 "$Rn = $Rdn", pattern>;
917 // Thumb1 instruction that can be predicated.
918 class Thumb1pI<dag oops, dag iops, AddrMode am, int sz,
920 string opc, string asm, string cstr, list<dag> pattern>
921 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
922 let OutOperandList = oops;
923 let InOperandList = !con(iops, (ins pred:$p));
924 let AsmString = !strconcat(opc, "${p}", asm);
925 let Pattern = pattern;
926 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
929 class T1pI<dag oops, dag iops, InstrItinClass itin,
930 string opc, string asm, list<dag> pattern>
931 : Thumb1pI<oops, iops, AddrModeNone, 2, itin, opc, asm, "", pattern>;
933 // Two-address instructions
934 class T1pIt<dag oops, dag iops, InstrItinClass itin,
935 string opc, string asm, list<dag> pattern>
936 : Thumb1pI<oops, iops, AddrModeNone, 2, itin, opc, asm,
937 "$Rn = $Rdn", pattern>;
939 class T1pIs<dag oops, dag iops,
940 InstrItinClass itin, string opc, string asm, list<dag> pattern>
941 : Thumb1pI<oops, iops, AddrModeT1_s, 2, itin, opc, asm, "", pattern>;
943 class Encoding16 : Encoding {
944 let Inst{31-16} = 0x0000;
947 // A6.2 16-bit Thumb instruction encoding
948 class T1Encoding<bits<6> opcode> : Encoding16 {
949 let Inst{15-10} = opcode;
952 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
953 class T1General<bits<5> opcode> : Encoding16 {
954 let Inst{15-14} = 0b00;
955 let Inst{13-9} = opcode;
958 // A6.2.2 Data-processing encoding.
959 class T1DataProcessing<bits<4> opcode> : Encoding16 {
960 let Inst{15-10} = 0b010000;
961 let Inst{9-6} = opcode;
964 // A6.2.3 Special data instructions and branch and exchange encoding.
965 class T1Special<bits<4> opcode> : Encoding16 {
966 let Inst{15-10} = 0b010001;
967 let Inst{9-6} = opcode;
970 // A6.2.4 Load/store single data item encoding.
971 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
972 let Inst{15-12} = opA;
973 let Inst{11-9} = opB;
975 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
977 class T1BranchCond<bits<4> opcode> : Encoding16 {
978 let Inst{15-12} = opcode;
981 // Helper classes to encode Thumb1 loads and stores. For immediates, the
982 // following bits are used for "opA" (see A6.2.4):
984 // 0b0110 => Immediate, 4 bytes
985 // 0b1000 => Immediate, 2 bytes
986 // 0b0111 => Immediate, 1 byte
987 class T1pILdStEncode<bits<3> opcode, dag oops, dag iops, AddrMode am,
988 InstrItinClass itin, string opc, string asm,
990 : Thumb1pI<oops, iops, am, 2, itin, opc, asm, "", pattern>,
991 T1LoadStore<0b0101, opcode> {
994 let Inst{8-6} = addr{5-3}; // Rm
995 let Inst{5-3} = addr{2-0}; // Rn
998 class T1pILdStEncodeImm<bits<4> opA, bit opB, dag oops, dag iops, AddrMode am,
999 InstrItinClass itin, string opc, string asm,
1001 : Thumb1pI<oops, iops, am, 2, itin, opc, asm, "", pattern>,
1002 T1LoadStore<opA, {opB,?,?}> {
1005 let Inst{10-6} = addr{7-3}; // imm5
1006 let Inst{5-3} = addr{2-0}; // Rn
1010 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1011 class T1Misc<bits<7> opcode> : Encoding16 {
1012 let Inst{15-12} = 0b1011;
1013 let Inst{11-5} = opcode;
1016 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1017 class Thumb2I<dag oops, dag iops, AddrMode am, int sz,
1018 InstrItinClass itin,
1019 string opc, string asm, string cstr, list<dag> pattern>
1020 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1021 let OutOperandList = oops;
1022 let InOperandList = !con(iops, (ins pred:$p));
1023 let AsmString = !strconcat(opc, "${p}", asm);
1024 let Pattern = pattern;
1025 list<Predicate> Predicates = [IsThumb2];
1026 let DecoderNamespace = "Thumb2";
1029 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1030 // input operand since by default it's a zero register. It will become an
1031 // implicit def once it's "flipped".
1033 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1035 class Thumb2sI<dag oops, dag iops, AddrMode am, int sz,
1036 InstrItinClass itin,
1037 string opc, string asm, string cstr, list<dag> pattern>
1038 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1039 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
1042 let OutOperandList = oops;
1043 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1044 let AsmString = !strconcat(opc, "${s}${p}", asm);
1045 let Pattern = pattern;
1046 list<Predicate> Predicates = [IsThumb2];
1047 let DecoderNamespace = "Thumb2";
1051 class Thumb2XI<dag oops, dag iops, AddrMode am, int sz,
1052 InstrItinClass itin,
1053 string asm, string cstr, list<dag> pattern>
1054 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1055 let OutOperandList = oops;
1056 let InOperandList = iops;
1057 let AsmString = asm;
1058 let Pattern = pattern;
1059 list<Predicate> Predicates = [IsThumb2];
1060 let DecoderNamespace = "Thumb2";
1063 class ThumbXI<dag oops, dag iops, AddrMode am, int sz,
1064 InstrItinClass itin,
1065 string asm, string cstr, list<dag> pattern>
1066 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1067 let OutOperandList = oops;
1068 let InOperandList = iops;
1069 let AsmString = asm;
1070 let Pattern = pattern;
1071 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1072 let DecoderNamespace = "Thumb";
1075 class T2I<dag oops, dag iops, InstrItinClass itin,
1076 string opc, string asm, list<dag> pattern>
1077 : Thumb2I<oops, iops, AddrModeNone, 4, itin, opc, asm, "", pattern>;
1078 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1079 string opc, string asm, list<dag> pattern>
1080 : Thumb2I<oops, iops, AddrModeT2_i12, 4, itin, opc, asm, "",pattern>;
1081 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1082 string opc, string asm, list<dag> pattern>
1083 : Thumb2I<oops, iops, AddrModeT2_i8, 4, itin, opc, asm, "", pattern>;
1084 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1085 string opc, string asm, list<dag> pattern>
1086 : Thumb2I<oops, iops, AddrModeT2_so, 4, itin, opc, asm, "", pattern>;
1087 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1088 string opc, string asm, list<dag> pattern>
1089 : Thumb2I<oops, iops, AddrModeT2_pc, 4, itin, opc, asm, "", pattern>;
1090 class T2Ii8s4<bit P, bit W, bit isLoad, dag oops, dag iops, InstrItinClass itin,
1091 string opc, string asm, list<dag> pattern>
1092 : Thumb2I<oops, iops, AddrModeT2_i8s4, 4, itin, opc, asm, "",
1097 let Inst{31-25} = 0b1110100;
1099 let Inst{23} = addr{8};
1102 let Inst{20} = isLoad;
1103 let Inst{19-16} = addr{12-9};
1104 let Inst{15-12} = Rt{3-0};
1105 let Inst{11-8} = Rt2{3-0};
1106 let Inst{7-0} = addr{7-0};
1109 class T2Ii8s4Tied<bit P, bit W, bit isLoad, dag oops, dag iops, InstrItinClass itin,
1110 string opc, string asm, list<dag> pattern>
1111 : Thumb2I<oops, iops, AddrModeT2_i8s4, 4, itin, opc, asm, "$base = $wb",
1117 let Inst{31-25} = 0b1110100;
1119 let Inst{23} = imm{8};
1122 let Inst{20} = isLoad;
1123 let Inst{19-16} = base{3-0};
1124 let Inst{15-12} = Rt{3-0};
1125 let Inst{11-8} = Rt2{3-0};
1126 let Inst{7-0} = imm{7-0};
1130 class T2sI<dag oops, dag iops, InstrItinClass itin,
1131 string opc, string asm, list<dag> pattern>
1132 : Thumb2sI<oops, iops, AddrModeNone, 4, itin, opc, asm, "", pattern>;
1134 class T2XI<dag oops, dag iops, InstrItinClass itin,
1135 string asm, list<dag> pattern>
1136 : Thumb2XI<oops, iops, AddrModeNone, 4, itin, asm, "", pattern>;
1137 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1138 string asm, list<dag> pattern>
1139 : Thumb2XI<oops, iops, AddrModeNone, 0, itin, asm, "", pattern>;
1141 // Move to/from coprocessor instructions
1142 class T2Cop<bits<4> opc, dag oops, dag iops, string asm, list<dag> pattern>
1143 : T2XI <oops, iops, NoItinerary, asm, pattern>, Requires<[IsThumb2]> {
1144 let Inst{31-28} = opc;
1147 // Two-address instructions
1148 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1149 string asm, string cstr, list<dag> pattern>
1150 : Thumb2XI<oops, iops, AddrModeNone, 4, itin, asm, cstr, pattern>;
1152 // T2Iidxldst - Thumb2 indexed load / store instructions.
1153 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1155 AddrMode am, IndexMode im, InstrItinClass itin,
1156 string opc, string asm, string cstr, list<dag> pattern>
1157 : InstARM<am, 4, im, ThumbFrm, GenericDomain, cstr, itin> {
1158 let OutOperandList = oops;
1159 let InOperandList = !con(iops, (ins pred:$p));
1160 let AsmString = !strconcat(opc, "${p}", asm);
1161 let Pattern = pattern;
1162 list<Predicate> Predicates = [IsThumb2];
1163 let DecoderNamespace = "Thumb2";
1164 let Inst{31-27} = 0b11111;
1165 let Inst{26-25} = 0b00;
1166 let Inst{24} = signed;
1168 let Inst{22-21} = opcod;
1169 let Inst{20} = load;
1171 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1172 let Inst{10} = pre; // The P bit.
1173 let Inst{8} = 1; // The W bit.
1176 let Inst{7-0} = addr{7-0};
1177 let Inst{9} = addr{8}; // Sign bit
1181 let Inst{15-12} = Rt{3-0};
1182 let Inst{19-16} = Rn{3-0};
1185 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1186 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1187 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1190 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1191 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1192 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1195 // T2v6Pat - Same as Pat<>, but requires V6T2 Thumb2 mode.
1196 class T2v6Pat<dag pattern, dag result> : Pat<pattern, result> {
1197 list<Predicate> Predicates = [IsThumb2, HasV6T2];
1200 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1201 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1202 list<Predicate> Predicates = [IsThumb2];
1205 //===----------------------------------------------------------------------===//
1207 //===----------------------------------------------------------------------===//
1208 // ARM VFP Instruction templates.
1211 // Almost all VFP instructions are predicable.
1212 class VFPI<dag oops, dag iops, AddrMode am, int sz,
1213 IndexMode im, Format f, InstrItinClass itin,
1214 string opc, string asm, string cstr, list<dag> pattern>
1215 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1217 let Inst{31-28} = p;
1218 let OutOperandList = oops;
1219 let InOperandList = !con(iops, (ins pred:$p));
1220 let AsmString = !strconcat(opc, "${p}", asm);
1221 let Pattern = pattern;
1222 let PostEncoderMethod = "VFPThumb2PostEncoder";
1223 let DecoderNamespace = "VFP";
1224 list<Predicate> Predicates = [HasVFP2];
1228 class VFPXI<dag oops, dag iops, AddrMode am, int sz,
1229 IndexMode im, Format f, InstrItinClass itin,
1230 string asm, string cstr, list<dag> pattern>
1231 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1233 let Inst{31-28} = p;
1234 let OutOperandList = oops;
1235 let InOperandList = iops;
1236 let AsmString = asm;
1237 let Pattern = pattern;
1238 let PostEncoderMethod = "VFPThumb2PostEncoder";
1239 let DecoderNamespace = "VFP";
1240 list<Predicate> Predicates = [HasVFP2];
1243 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1244 string opc, string asm, list<dag> pattern>
1245 : VFPI<oops, iops, AddrModeNone, 4, IndexModeNone, f, itin,
1246 opc, asm, "", pattern> {
1247 let PostEncoderMethod = "VFPThumb2PostEncoder";
1250 // ARM VFP addrmode5 loads and stores
1251 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1252 InstrItinClass itin,
1253 string opc, string asm, list<dag> pattern>
1254 : VFPI<oops, iops, AddrMode5, 4, IndexModeNone,
1255 VFPLdStFrm, itin, opc, asm, "", pattern> {
1256 // Instruction operands.
1260 // Encode instruction operands.
1261 let Inst{23} = addr{8}; // U (add = (U == '1'))
1262 let Inst{22} = Dd{4};
1263 let Inst{19-16} = addr{12-9}; // Rn
1264 let Inst{15-12} = Dd{3-0};
1265 let Inst{7-0} = addr{7-0}; // imm8
1267 // TODO: Mark the instructions with the appropriate subtarget info.
1268 let Inst{27-24} = opcod1;
1269 let Inst{21-20} = opcod2;
1270 let Inst{11-9} = 0b101;
1271 let Inst{8} = 1; // Double precision
1273 // Loads & stores operate on both NEON and VFP pipelines.
1274 let D = VFPNeonDomain;
1277 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1278 InstrItinClass itin,
1279 string opc, string asm, list<dag> pattern>
1280 : VFPI<oops, iops, AddrMode5, 4, IndexModeNone,
1281 VFPLdStFrm, itin, opc, asm, "", pattern> {
1282 // Instruction operands.
1286 // Encode instruction operands.
1287 let Inst{23} = addr{8}; // U (add = (U == '1'))
1288 let Inst{22} = Sd{0};
1289 let Inst{19-16} = addr{12-9}; // Rn
1290 let Inst{15-12} = Sd{4-1};
1291 let Inst{7-0} = addr{7-0}; // imm8
1293 // TODO: Mark the instructions with the appropriate subtarget info.
1294 let Inst{27-24} = opcod1;
1295 let Inst{21-20} = opcod2;
1296 let Inst{11-9} = 0b101;
1297 let Inst{8} = 0; // Single precision
1299 // Loads & stores operate on both NEON and VFP pipelines.
1300 let D = VFPNeonDomain;
1303 // VFP Load / store multiple pseudo instructions.
1304 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1306 : InstARM<AddrMode4, 4, IndexModeNone, Pseudo, VFPNeonDomain,
1308 let OutOperandList = oops;
1309 let InOperandList = !con(iops, (ins pred:$p));
1310 let Pattern = pattern;
1311 list<Predicate> Predicates = [HasVFP2];
1314 // Load / store multiple
1315 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1316 string asm, string cstr, list<dag> pattern>
1317 : VFPXI<oops, iops, AddrMode4, 4, im,
1318 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1319 // Instruction operands.
1323 // Encode instruction operands.
1324 let Inst{19-16} = Rn;
1325 let Inst{22} = regs{12};
1326 let Inst{15-12} = regs{11-8};
1327 let Inst{7-0} = regs{7-0};
1329 // TODO: Mark the instructions with the appropriate subtarget info.
1330 let Inst{27-25} = 0b110;
1331 let Inst{11-9} = 0b101;
1332 let Inst{8} = 1; // Double precision
1335 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1336 string asm, string cstr, list<dag> pattern>
1337 : VFPXI<oops, iops, AddrMode4, 4, im,
1338 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1339 // Instruction operands.
1343 // Encode instruction operands.
1344 let Inst{19-16} = Rn;
1345 let Inst{22} = regs{8};
1346 let Inst{15-12} = regs{12-9};
1347 let Inst{7-0} = regs{7-0};
1349 // TODO: Mark the instructions with the appropriate subtarget info.
1350 let Inst{27-25} = 0b110;
1351 let Inst{11-9} = 0b101;
1352 let Inst{8} = 0; // Single precision
1355 // Double precision, unary
1356 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1357 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1358 string asm, list<dag> pattern>
1359 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1360 // Instruction operands.
1364 // Encode instruction operands.
1365 let Inst{3-0} = Dm{3-0};
1366 let Inst{5} = Dm{4};
1367 let Inst{15-12} = Dd{3-0};
1368 let Inst{22} = Dd{4};
1370 let Inst{27-23} = opcod1;
1371 let Inst{21-20} = opcod2;
1372 let Inst{19-16} = opcod3;
1373 let Inst{11-9} = 0b101;
1374 let Inst{8} = 1; // Double precision
1375 let Inst{7-6} = opcod4;
1376 let Inst{4} = opcod5;
1379 // Double precision, binary
1380 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1381 dag iops, InstrItinClass itin, string opc, string asm,
1383 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1384 // Instruction operands.
1389 // Encode instruction operands.
1390 let Inst{3-0} = Dm{3-0};
1391 let Inst{5} = Dm{4};
1392 let Inst{19-16} = Dn{3-0};
1393 let Inst{7} = Dn{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{11-9} = 0b101;
1400 let Inst{8} = 1; // Double precision
1405 // Single precision, unary
1406 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1407 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1408 string asm, list<dag> pattern>
1409 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1410 // Instruction operands.
1414 // Encode instruction operands.
1415 let Inst{3-0} = Sm{4-1};
1416 let Inst{5} = Sm{0};
1417 let Inst{15-12} = Sd{4-1};
1418 let Inst{22} = Sd{0};
1420 let Inst{27-23} = opcod1;
1421 let Inst{21-20} = opcod2;
1422 let Inst{19-16} = opcod3;
1423 let Inst{11-9} = 0b101;
1424 let Inst{8} = 0; // Single precision
1425 let Inst{7-6} = opcod4;
1426 let Inst{4} = opcod5;
1429 // Single precision unary, if no NEON. Same as ASuI except not available if
1431 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1432 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1433 string asm, list<dag> pattern>
1434 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1436 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1439 // Single precision, binary
1440 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1441 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1442 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1443 // Instruction operands.
1448 // Encode instruction operands.
1449 let Inst{3-0} = Sm{4-1};
1450 let Inst{5} = Sm{0};
1451 let Inst{19-16} = Sn{4-1};
1452 let Inst{7} = Sn{0};
1453 let Inst{15-12} = Sd{4-1};
1454 let Inst{22} = Sd{0};
1456 let Inst{27-23} = opcod1;
1457 let Inst{21-20} = opcod2;
1458 let Inst{11-9} = 0b101;
1459 let Inst{8} = 0; // Single precision
1464 // Single precision binary, if no NEON. Same as ASbI except not available if
1466 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1467 dag iops, InstrItinClass itin, string opc, string asm,
1469 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1470 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1472 // Instruction operands.
1477 // Encode instruction operands.
1478 let Inst{3-0} = Sm{4-1};
1479 let Inst{5} = Sm{0};
1480 let Inst{19-16} = Sn{4-1};
1481 let Inst{7} = Sn{0};
1482 let Inst{15-12} = Sd{4-1};
1483 let Inst{22} = Sd{0};
1486 // VFP conversion instructions
1487 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1488 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1490 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1491 let Inst{27-23} = opcod1;
1492 let Inst{21-20} = opcod2;
1493 let Inst{19-16} = opcod3;
1494 let Inst{11-8} = opcod4;
1499 // VFP conversion between floating-point and fixed-point
1500 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1501 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1503 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1504 // size (fixed-point number): sx == 0 ? 16 : 32
1505 let Inst{7} = op5; // sx
1508 // VFP conversion instructions, if no NEON
1509 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1510 dag oops, dag iops, InstrItinClass itin,
1511 string opc, string asm, list<dag> pattern>
1512 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1514 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1517 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1518 InstrItinClass itin,
1519 string opc, string asm, list<dag> pattern>
1520 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1521 let Inst{27-20} = opcod1;
1522 let Inst{11-8} = opcod2;
1526 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1527 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1528 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1530 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1531 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1532 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1534 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1535 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1536 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1538 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1539 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1540 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1542 //===----------------------------------------------------------------------===//
1544 //===----------------------------------------------------------------------===//
1545 // ARM NEON Instruction templates.
1548 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1549 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1551 : InstARM<am, 4, im, f, NeonDomain, cstr, itin> {
1552 let OutOperandList = oops;
1553 let InOperandList = !con(iops, (ins pred:$p));
1554 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1555 let Pattern = pattern;
1556 list<Predicate> Predicates = [HasNEON];
1557 let DecoderNamespace = "NEON";
1560 // Same as NeonI except it does not have a "data type" specifier.
1561 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1562 InstrItinClass itin, string opc, string asm, string cstr,
1564 : InstARM<am, 4, im, f, NeonDomain, cstr, itin> {
1565 let OutOperandList = oops;
1566 let InOperandList = !con(iops, (ins pred:$p));
1567 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1568 let Pattern = pattern;
1569 list<Predicate> Predicates = [HasNEON];
1570 let DecoderNamespace = "NEON";
1573 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1574 dag oops, dag iops, InstrItinClass itin,
1575 string opc, string dt, string asm, string cstr, list<dag> pattern>
1576 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1578 let Inst{31-24} = 0b11110100;
1579 let Inst{23} = op23;
1580 let Inst{21-20} = op21_20;
1581 let Inst{11-8} = op11_8;
1582 let Inst{7-4} = op7_4;
1584 let PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1585 let DecoderNamespace = "NEONLoadStore";
1591 let Inst{22} = Vd{4};
1592 let Inst{15-12} = Vd{3-0};
1593 let Inst{19-16} = Rn{3-0};
1594 let Inst{3-0} = Rm{3-0};
1597 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1598 dag oops, dag iops, InstrItinClass itin,
1599 string opc, string dt, string asm, string cstr, list<dag> pattern>
1600 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1601 dt, asm, cstr, pattern> {
1605 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1606 : InstARM<AddrMode6, 4, IndexModeNone, Pseudo, NeonDomain, cstr,
1608 let OutOperandList = oops;
1609 let InOperandList = !con(iops, (ins pred:$p));
1610 list<Predicate> Predicates = [HasNEON];
1613 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1615 : InstARM<AddrModeNone, 4, IndexModeNone, Pseudo, NeonDomain, cstr,
1617 let OutOperandList = oops;
1618 let InOperandList = !con(iops, (ins pred:$p));
1619 let Pattern = pattern;
1620 list<Predicate> Predicates = [HasNEON];
1623 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1624 string opc, string dt, string asm, string cstr, list<dag> pattern>
1625 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1627 let Inst{31-25} = 0b1111001;
1628 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1629 let DecoderNamespace = "NEONData";
1632 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1633 string opc, string asm, string cstr, list<dag> pattern>
1634 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1636 let Inst{31-25} = 0b1111001;
1637 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1638 let DecoderNamespace = "NEONData";
1641 // NEON "one register and a modified immediate" format.
1642 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1644 dag oops, dag iops, InstrItinClass itin,
1645 string opc, string dt, string asm, string cstr,
1647 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1648 let Inst{23} = op23;
1649 let Inst{21-19} = op21_19;
1650 let Inst{11-8} = op11_8;
1656 // Instruction operands.
1660 let Inst{15-12} = Vd{3-0};
1661 let Inst{22} = Vd{4};
1662 let Inst{24} = SIMM{7};
1663 let Inst{18-16} = SIMM{6-4};
1664 let Inst{3-0} = SIMM{3-0};
1665 let DecoderMethod = "DecodeNEONModImmInstruction";
1668 // NEON 2 vector register format.
1669 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1670 bits<5> op11_7, bit op6, bit op4,
1671 dag oops, dag iops, InstrItinClass itin,
1672 string opc, string dt, string asm, string cstr, list<dag> pattern>
1673 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1674 let Inst{24-23} = op24_23;
1675 let Inst{21-20} = op21_20;
1676 let Inst{19-18} = op19_18;
1677 let Inst{17-16} = op17_16;
1678 let Inst{11-7} = op11_7;
1682 // Instruction operands.
1686 let Inst{15-12} = Vd{3-0};
1687 let Inst{22} = Vd{4};
1688 let Inst{3-0} = Vm{3-0};
1689 let Inst{5} = Vm{4};
1692 // Same as N2V except it doesn't have a datatype suffix.
1693 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1694 bits<5> op11_7, bit op6, bit op4,
1695 dag oops, dag iops, InstrItinClass itin,
1696 string opc, string asm, string cstr, list<dag> pattern>
1697 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1698 let Inst{24-23} = op24_23;
1699 let Inst{21-20} = op21_20;
1700 let Inst{19-18} = op19_18;
1701 let Inst{17-16} = op17_16;
1702 let Inst{11-7} = op11_7;
1706 // Instruction operands.
1710 let Inst{15-12} = Vd{3-0};
1711 let Inst{22} = Vd{4};
1712 let Inst{3-0} = Vm{3-0};
1713 let Inst{5} = Vm{4};
1716 // NEON 2 vector register with immediate.
1717 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1718 dag oops, dag iops, Format f, InstrItinClass itin,
1719 string opc, string dt, string asm, string cstr, list<dag> pattern>
1720 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1721 let Inst{24} = op24;
1722 let Inst{23} = op23;
1723 let Inst{11-8} = op11_8;
1728 // Instruction operands.
1733 let Inst{15-12} = Vd{3-0};
1734 let Inst{22} = Vd{4};
1735 let Inst{3-0} = Vm{3-0};
1736 let Inst{5} = Vm{4};
1737 let Inst{21-16} = SIMM{5-0};
1740 // NEON 3 vector register format.
1742 class N3VCommon<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1743 bit op4, dag oops, dag iops, Format f, InstrItinClass itin,
1744 string opc, string dt, string asm, string cstr,
1746 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1747 let Inst{24} = op24;
1748 let Inst{23} = op23;
1749 let Inst{21-20} = op21_20;
1750 let Inst{11-8} = op11_8;
1755 class N3V<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.
1766 let Inst{15-12} = Vd{3-0};
1767 let Inst{22} = Vd{4};
1768 let Inst{19-16} = Vn{3-0};
1769 let Inst{7} = Vn{4};
1770 let Inst{3-0} = Vm{3-0};
1771 let Inst{5} = Vm{4};
1774 class N3VLane32<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1775 bit op4, dag oops, dag iops, Format f, InstrItinClass itin,
1776 string opc, string dt, string asm, string cstr,
1778 : N3VCommon<op24, op23, op21_20, op11_8, op6, op4,
1779 oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1781 // Instruction operands.
1787 let Inst{15-12} = Vd{3-0};
1788 let Inst{22} = Vd{4};
1789 let Inst{19-16} = Vn{3-0};
1790 let Inst{7} = Vn{4};
1791 let Inst{3-0} = Vm{3-0};
1795 class N3VLane16<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1796 bit op4, dag oops, dag iops, Format f, InstrItinClass itin,
1797 string opc, string dt, string asm, string cstr,
1799 : N3VCommon<op24, op23, op21_20, op11_8, op6, op4,
1800 oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1802 // Instruction operands.
1808 let Inst{15-12} = Vd{3-0};
1809 let Inst{22} = Vd{4};
1810 let Inst{19-16} = Vn{3-0};
1811 let Inst{7} = Vn{4};
1812 let Inst{2-0} = Vm{2-0};
1813 let Inst{5} = lane{1};
1814 let Inst{3} = lane{0};
1817 // Same as N3V except it doesn't have a data type suffix.
1818 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1820 dag oops, dag iops, Format f, InstrItinClass itin,
1821 string opc, string asm, string cstr, list<dag> pattern>
1822 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1823 let Inst{24} = op24;
1824 let Inst{23} = op23;
1825 let Inst{21-20} = op21_20;
1826 let Inst{11-8} = op11_8;
1830 // Instruction operands.
1835 let Inst{15-12} = Vd{3-0};
1836 let Inst{22} = Vd{4};
1837 let Inst{19-16} = Vn{3-0};
1838 let Inst{7} = Vn{4};
1839 let Inst{3-0} = Vm{3-0};
1840 let Inst{5} = Vm{4};
1843 // NEON VMOVs between scalar and core registers.
1844 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1845 dag oops, dag iops, Format f, InstrItinClass itin,
1846 string opc, string dt, string asm, list<dag> pattern>
1847 : InstARM<AddrModeNone, 4, IndexModeNone, f, NeonDomain,
1849 let Inst{27-20} = opcod1;
1850 let Inst{11-8} = opcod2;
1851 let Inst{6-5} = opcod3;
1853 // A8.6.303, A8.6.328, A8.6.329
1854 let Inst{3-0} = 0b0000;
1856 let OutOperandList = oops;
1857 let InOperandList = !con(iops, (ins pred:$p));
1858 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1859 let Pattern = pattern;
1860 list<Predicate> Predicates = [HasNEON];
1862 let PostEncoderMethod = "NEONThumb2DupPostEncoder";
1863 let DecoderNamespace = "NEONDup";
1870 let Inst{31-28} = p{3-0};
1872 let Inst{19-16} = V{3-0};
1873 let Inst{15-12} = R{3-0};
1875 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1876 dag oops, dag iops, InstrItinClass itin,
1877 string opc, string dt, string asm, list<dag> pattern>
1878 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1879 opc, dt, asm, pattern>;
1880 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1881 dag oops, dag iops, InstrItinClass itin,
1882 string opc, string dt, string asm, list<dag> pattern>
1883 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1884 opc, dt, asm, pattern>;
1885 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1886 dag oops, dag iops, InstrItinClass itin,
1887 string opc, string dt, string asm, list<dag> pattern>
1888 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1889 opc, dt, asm, pattern>;
1891 // Vector Duplicate Lane (from scalar to all elements)
1892 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1893 InstrItinClass itin, string opc, string dt, string asm,
1895 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1896 let Inst{24-23} = 0b11;
1897 let Inst{21-20} = 0b11;
1898 let Inst{19-16} = op19_16;
1899 let Inst{11-7} = 0b11000;
1907 let Inst{22} = Vd{4};
1908 let Inst{15-12} = Vd{3-0};
1909 let Inst{5} = Vm{4};
1910 let Inst{3-0} = Vm{3-0};
1913 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1914 // for single-precision FP.
1915 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1916 list<Predicate> Predicates = [HasNEON,UseNEONForFP];