1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- 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 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
64 def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
65 def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
75 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
77 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
78 [SDNPHasChain, SDNPOutFlag]>;
79 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
82 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
88 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
89 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
92 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
93 [SDNPHasChain, SDNPOptInFlag]>;
95 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
97 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
100 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
101 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
103 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
105 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
108 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
111 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
114 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
115 [SDNPOutFlag, SDNPCommutative]>;
117 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
119 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
120 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
121 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
123 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
124 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
125 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
127 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
128 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
129 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
132 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
134 def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
136 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
138 def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
141 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
143 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
144 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
147 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
149 //===----------------------------------------------------------------------===//
150 // ARM Instruction Predicate Definitions.
152 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
153 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
154 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
155 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
156 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
157 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
158 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
159 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
160 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
161 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
162 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
163 def HasNEON : Predicate<"Subtarget->hasNEON()">;
164 def HasDivide : Predicate<"Subtarget->hasDivide()">;
165 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
166 def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
167 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
168 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
169 def IsThumb : Predicate<"Subtarget->isThumb()">;
170 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
171 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
172 def IsARM : Predicate<"!Subtarget->isThumb()">;
173 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
174 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
176 // FIXME: Eventually this will be just "hasV6T2Ops".
177 def UseMovt : Predicate<"Subtarget->useMovt()">;
178 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
179 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
181 //===----------------------------------------------------------------------===//
182 // ARM Flag Definitions.
184 class RegConstraint<string C> {
185 string Constraints = C;
188 //===----------------------------------------------------------------------===//
189 // ARM specific transformation functions and pattern fragments.
192 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
193 // so_imm_neg def below.
194 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
195 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
198 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
199 // so_imm_not def below.
200 def so_imm_not_XFORM : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
204 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
205 def imm1_15 : PatLeaf<(i32 imm), [{
206 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
209 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
210 def imm16_31 : PatLeaf<(i32 imm), [{
211 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
216 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
217 }], so_imm_neg_XFORM>;
221 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
222 }], so_imm_not_XFORM>;
224 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
225 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
226 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
229 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
231 def bf_inv_mask_imm : Operand<i32>,
233 return ARM::isBitFieldInvertedMask(N->getZExtValue());
235 string EncoderMethod = "getBitfieldInvertedMaskOpValue";
236 let PrintMethod = "printBitfieldInvMaskImmOperand";
239 /// Split a 32-bit immediate into two 16 bit parts.
240 def hi16 : SDNodeXForm<imm, [{
241 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
244 def lo16AllZero : PatLeaf<(i32 imm), [{
245 // Returns true if all low 16-bits are 0.
246 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
249 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
251 def imm0_65535 : PatLeaf<(i32 imm), [{
252 return (uint32_t)N->getZExtValue() < 65536;
255 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
256 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
258 /// adde and sube predicates - True based on whether the carry flag output
259 /// will be needed or not.
260 def adde_dead_carry :
261 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
262 [{return !N->hasAnyUseOfValue(1);}]>;
263 def sube_dead_carry :
264 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
265 [{return !N->hasAnyUseOfValue(1);}]>;
266 def adde_live_carry :
267 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
268 [{return N->hasAnyUseOfValue(1);}]>;
269 def sube_live_carry :
270 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
271 [{return N->hasAnyUseOfValue(1);}]>;
273 //===----------------------------------------------------------------------===//
274 // Operand Definitions.
278 def brtarget : Operand<OtherVT>;
280 // A list of registers separated by comma. Used by load/store multiple.
281 def reglist : Operand<i32> {
282 string EncoderMethod = "getRegisterListOpValue";
283 let PrintMethod = "printRegisterList";
286 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
287 def cpinst_operand : Operand<i32> {
288 let PrintMethod = "printCPInstOperand";
291 def jtblock_operand : Operand<i32> {
292 let PrintMethod = "printJTBlockOperand";
294 def jt2block_operand : Operand<i32> {
295 let PrintMethod = "printJT2BlockOperand";
299 def pclabel : Operand<i32> {
300 let PrintMethod = "printPCLabel";
303 def neon_vcvt_imm32 : Operand<i32> {
304 string EncoderMethod = "getNEONVcvtImm32OpValue";
307 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
308 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
309 int32_t v = (int32_t)N->getZExtValue();
310 return v == 8 || v == 16 || v == 24; }]> {
311 string EncoderMethod = "getRotImmOpValue";
314 // shift_imm: An integer that encodes a shift amount and the type of shift
315 // (currently either asr or lsl) using the same encoding used for the
316 // immediates in so_reg operands.
317 def shift_imm : Operand<i32> {
318 let PrintMethod = "printShiftImmOperand";
321 // shifter_operand operands: so_reg and so_imm.
322 def so_reg : Operand<i32>, // reg reg imm
323 ComplexPattern<i32, 3, "SelectShifterOperandReg",
324 [shl,srl,sra,rotr]> {
325 string EncoderMethod = "getSORegOpValue";
326 let PrintMethod = "printSORegOperand";
327 let MIOperandInfo = (ops GPR, GPR, i32imm);
329 def shift_so_reg : Operand<i32>, // reg reg imm
330 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
331 [shl,srl,sra,rotr]> {
332 string EncoderMethod = "getSORegOpValue";
333 let PrintMethod = "printSORegOperand";
334 let MIOperandInfo = (ops GPR, GPR, i32imm);
337 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
338 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
339 // represented in the imm field in the same 12-bit form that they are encoded
340 // into so_imm instructions: the 8-bit immediate is the least significant bits
341 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
342 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
343 string EncoderMethod = "getSOImmOpValue";
344 let PrintMethod = "printSOImmOperand";
347 // Break so_imm's up into two pieces. This handles immediates with up to 16
348 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
349 // get the first/second pieces.
350 def so_imm2part : Operand<i32>,
352 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
354 let PrintMethod = "printSOImm2PartOperand";
357 def so_imm2part_1 : SDNodeXForm<imm, [{
358 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
359 return CurDAG->getTargetConstant(V, MVT::i32);
362 def so_imm2part_2 : SDNodeXForm<imm, [{
363 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
364 return CurDAG->getTargetConstant(V, MVT::i32);
367 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
368 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
370 let PrintMethod = "printSOImm2PartOperand";
373 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
374 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
375 return CurDAG->getTargetConstant(V, MVT::i32);
378 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
379 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
380 return CurDAG->getTargetConstant(V, MVT::i32);
383 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
384 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
385 return (int32_t)N->getZExtValue() < 32;
388 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
389 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
390 return (int32_t)N->getZExtValue() < 32;
392 string EncoderMethod = "getImmMinusOneOpValue";
395 // Define ARM specific addressing modes.
398 // addrmode_imm12 := reg +/- imm12
400 def addrmode_imm12 : Operand<i32>,
401 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
402 // 12-bit immediate operand. Note that instructions using this encode
403 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
404 // immediate values are as normal.
406 string EncoderMethod = "getAddrModeImm12OpValue";
407 let PrintMethod = "printAddrModeImm12Operand";
408 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
410 // ldst_so_reg := reg +/- reg shop imm
412 def ldst_so_reg : Operand<i32>,
413 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
414 // FIXME: Simplify the printer
415 // FIXME: Add EncoderMethod for this addressing mode
416 let PrintMethod = "printAddrMode2Operand";
417 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
420 // addrmode2 := reg +/- imm12
421 // := reg +/- reg shop imm
423 def addrmode2 : Operand<i32>,
424 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
425 let PrintMethod = "printAddrMode2Operand";
426 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
429 def am2offset : Operand<i32>,
430 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
431 [], [SDNPWantRoot]> {
432 let PrintMethod = "printAddrMode2OffsetOperand";
433 let MIOperandInfo = (ops GPR, i32imm);
436 // addrmode3 := reg +/- reg
437 // addrmode3 := reg +/- imm8
439 def addrmode3 : Operand<i32>,
440 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
441 let PrintMethod = "printAddrMode3Operand";
442 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
445 def am3offset : Operand<i32>,
446 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
447 [], [SDNPWantRoot]> {
448 let PrintMethod = "printAddrMode3OffsetOperand";
449 let MIOperandInfo = (ops GPR, i32imm);
452 // addrmode4 := reg, <mode|W>
454 def addrmode4 : Operand<i32>,
455 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
456 let PrintMethod = "printAddrMode4Operand";
457 let MIOperandInfo = (ops GPR:$addr, i32imm);
460 def ARMMemMode5AsmOperand : AsmOperandClass {
461 let Name = "MemMode5";
462 let SuperClasses = [];
465 // addrmode5 := reg +/- imm8*4
467 def addrmode5 : Operand<i32>,
468 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
469 let PrintMethod = "printAddrMode5Operand";
470 let MIOperandInfo = (ops GPR:$base, i32imm);
471 let ParserMatchClass = ARMMemMode5AsmOperand;
474 // addrmode6 := reg with optional writeback
476 def addrmode6 : Operand<i32>,
477 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
478 let PrintMethod = "printAddrMode6Operand";
479 let MIOperandInfo = (ops GPR:$addr, i32imm);
482 def am6offset : Operand<i32> {
483 let PrintMethod = "printAddrMode6OffsetOperand";
484 let MIOperandInfo = (ops GPR);
487 // addrmodepc := pc + reg
489 def addrmodepc : Operand<i32>,
490 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
491 let PrintMethod = "printAddrModePCOperand";
492 let MIOperandInfo = (ops GPR, i32imm);
495 def nohash_imm : Operand<i32> {
496 let PrintMethod = "printNoHashImmediate";
499 //===----------------------------------------------------------------------===//
501 include "ARMInstrFormats.td"
503 //===----------------------------------------------------------------------===//
504 // Multiclass helpers...
507 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
508 /// binop that produces a value.
509 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
510 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
511 PatFrag opnode, bit Commutable = 0> {
512 // The register-immediate version is re-materializable. This is useful
513 // in particular for taking the address of a local.
514 let isReMaterializable = 1 in {
515 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
516 iii, opc, "\t$Rd, $Rn, $imm",
517 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
522 let Inst{15-12} = Rd;
523 let Inst{19-16} = Rn;
524 let Inst{11-0} = imm;
527 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
528 iir, opc, "\t$Rd, $Rn, $Rm",
529 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
533 let Inst{11-4} = 0b00000000;
535 let isCommutable = Commutable;
537 let Inst{15-12} = Rd;
538 let Inst{19-16} = Rn;
540 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
541 iis, opc, "\t$Rd, $Rn, $shift",
542 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
547 let Inst{11-0} = shift;
548 let Inst{15-12} = Rd;
549 let Inst{19-16} = Rn;
553 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
554 /// instruction modifies the CPSR register.
555 let Defs = [CPSR] in {
556 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
557 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
558 PatFrag opnode, bit Commutable = 0> {
559 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
560 iii, opc, "\t$Rd, $Rn, $imm",
561 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
566 let Inst{15-12} = Rd;
567 let Inst{19-16} = Rn;
568 let Inst{11-0} = imm;
571 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
572 iir, opc, "\t$Rd, $Rn, $Rm",
573 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
577 let Inst{11-4} = 0b00000000;
579 let isCommutable = Commutable;
581 let Inst{15-12} = Rd;
582 let Inst{19-16} = Rn;
585 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
586 iis, opc, "\t$Rd, $Rn, $shift",
587 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
592 let Inst{11-0} = shift;
593 let Inst{15-12} = Rd;
594 let Inst{19-16} = Rn;
600 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
601 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
602 /// a explicit result, only implicitly set CPSR.
603 let isCompare = 1, Defs = [CPSR] in {
604 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
605 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
606 PatFrag opnode, bit Commutable = 0> {
607 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
609 [(opnode GPR:$Rn, so_imm:$imm)]> {
613 let Inst{15-12} = 0b0000;
614 let Inst{19-16} = Rn;
615 let Inst{11-0} = imm;
619 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
621 [(opnode GPR:$Rn, GPR:$Rm)]> {
624 let Inst{11-4} = 0b00000000;
626 let isCommutable = Commutable;
628 let Inst{15-12} = 0b0000;
629 let Inst{19-16} = Rn;
632 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
633 opc, "\t$Rn, $shift",
634 [(opnode GPR:$Rn, so_reg:$shift)]> {
638 let Inst{11-0} = shift;
639 let Inst{15-12} = 0b0000;
640 let Inst{19-16} = Rn;
646 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
647 /// register and one whose operand is a register rotated by 8/16/24.
648 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
649 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
650 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
651 IIC_iEXTr, opc, "\t$Rd, $Rm",
652 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
653 Requires<[IsARM, HasV6]> {
656 let Inst{15-12} = Rd;
658 let Inst{11-10} = 0b00;
659 let Inst{19-16} = 0b1111;
661 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
662 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
663 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
664 Requires<[IsARM, HasV6]> {
668 let Inst{15-12} = Rd;
669 let Inst{11-10} = rot;
671 let Inst{19-16} = 0b1111;
675 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
676 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
677 IIC_iEXTr, opc, "\t$Rd, $Rm",
678 [/* For disassembly only; pattern left blank */]>,
679 Requires<[IsARM, HasV6]> {
680 let Inst{11-10} = 0b00;
681 let Inst{19-16} = 0b1111;
683 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
684 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
685 [/* For disassembly only; pattern left blank */]>,
686 Requires<[IsARM, HasV6]> {
688 let Inst{11-10} = rot;
689 let Inst{19-16} = 0b1111;
693 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
694 /// register and one whose operand is a register rotated by 8/16/24.
695 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
696 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
697 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
698 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
699 Requires<[IsARM, HasV6]> {
700 let Inst{11-10} = 0b00;
702 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
704 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
705 [(set GPR:$Rd, (opnode GPR:$Rn,
706 (rotr GPR:$Rm, rot_imm:$rot)))]>,
707 Requires<[IsARM, HasV6]> {
710 let Inst{19-16} = Rn;
711 let Inst{11-10} = rot;
715 // For disassembly only.
716 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
717 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
718 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
719 [/* For disassembly only; pattern left blank */]>,
720 Requires<[IsARM, HasV6]> {
721 let Inst{11-10} = 0b00;
723 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
725 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
726 [/* For disassembly only; pattern left blank */]>,
727 Requires<[IsARM, HasV6]> {
730 let Inst{19-16} = Rn;
731 let Inst{11-10} = rot;
735 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
736 let Uses = [CPSR] in {
737 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
738 bit Commutable = 0> {
739 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
740 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
741 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
747 let Inst{15-12} = Rd;
748 let Inst{19-16} = Rn;
749 let Inst{11-0} = imm;
751 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
752 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
753 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
758 let Inst{11-4} = 0b00000000;
760 let isCommutable = Commutable;
762 let Inst{15-12} = Rd;
763 let Inst{19-16} = Rn;
765 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
766 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
767 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
773 let Inst{11-0} = shift;
774 let Inst{15-12} = Rd;
775 let Inst{19-16} = Rn;
778 // Carry setting variants
779 let Defs = [CPSR] in {
780 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
781 bit Commutable = 0> {
782 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
783 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
784 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
789 let Inst{15-12} = Rd;
790 let Inst{19-16} = Rn;
791 let Inst{11-0} = imm;
795 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
796 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
797 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
802 let Inst{11-4} = 0b00000000;
803 let isCommutable = Commutable;
805 let Inst{15-12} = Rd;
806 let Inst{19-16} = Rn;
810 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
811 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
812 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
817 let Inst{11-0} = shift;
818 let Inst{15-12} = Rd;
819 let Inst{19-16} = Rn;
827 let canFoldAsLoad = 1, isReMaterializable = 1 in {
828 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
829 InstrItinClass iir, PatFrag opnode> {
830 // Note: We use the complex addrmode_imm12 rather than just an input
831 // GPR and a constrained immediate so that we can use this to match
832 // frame index references and avoid matching constant pool references.
833 def i12 : AIldst1<0b010, opc22, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
834 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
835 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
838 let Inst{23} = addr{12}; // U (add = ('U' == 1))
839 let Inst{19-16} = addr{16-13}; // Rn
840 let Inst{15-12} = Rt;
841 let Inst{11-0} = addr{11-0}; // imm12
843 def rs : AIldst1<0b011, opc22, 1, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
844 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
845 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
848 let Inst{23} = shift{12}; // U (add = ('U' == 1))
849 let Inst{19-16} = shift{16-13}; // Rn
850 let Inst{11-0} = shift{11-0};
855 multiclass AI_str1<bit opc22, string opc, InstrItinClass iii,
856 InstrItinClass iir, PatFrag opnode> {
857 // Note: We use the complex addrmode_imm12 rather than just an input
858 // GPR and a constrained immediate so that we can use this to match
859 // frame index references and avoid matching constant pool references.
860 def i12 : AIldst1<0b010, opc22, 0, (outs),
861 (ins GPR:$Rt, addrmode_imm12:$addr),
862 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
863 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
866 let Inst{23} = addr{12}; // U (add = ('U' == 1))
867 let Inst{19-16} = addr{16-13}; // Rn
868 let Inst{15-12} = Rt;
869 let Inst{11-0} = addr{11-0}; // imm12
871 def rs : AIldst1<0b011, opc22, 0, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
872 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
873 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
876 let Inst{23} = shift{12}; // U (add = ('U' == 1))
877 let Inst{19-16} = shift{16-13}; // Rn
878 let Inst{11-0} = shift{11-0};
881 //===----------------------------------------------------------------------===//
883 //===----------------------------------------------------------------------===//
885 //===----------------------------------------------------------------------===//
886 // Miscellaneous Instructions.
889 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
890 /// the function. The first operand is the ID# for this instruction, the second
891 /// is the index into the MachineConstantPool that this is, the third is the
892 /// size in bytes of this constant pool entry.
893 let neverHasSideEffects = 1, isNotDuplicable = 1 in
894 def CONSTPOOL_ENTRY :
895 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
896 i32imm:$size), NoItinerary, "", []>;
898 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
899 // from removing one half of the matched pairs. That breaks PEI, which assumes
900 // these will always be in pairs, and asserts if it finds otherwise. Better way?
901 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
903 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
904 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
906 def ADJCALLSTACKDOWN :
907 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
908 [(ARMcallseq_start timm:$amt)]>;
911 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
912 [/* For disassembly only; pattern left blank */]>,
913 Requires<[IsARM, HasV6T2]> {
914 let Inst{27-16} = 0b001100100000;
915 let Inst{15-8} = 0b11110000;
916 let Inst{7-0} = 0b00000000;
919 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
920 [/* For disassembly only; pattern left blank */]>,
921 Requires<[IsARM, HasV6T2]> {
922 let Inst{27-16} = 0b001100100000;
923 let Inst{15-8} = 0b11110000;
924 let Inst{7-0} = 0b00000001;
927 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
928 [/* For disassembly only; pattern left blank */]>,
929 Requires<[IsARM, HasV6T2]> {
930 let Inst{27-16} = 0b001100100000;
931 let Inst{15-8} = 0b11110000;
932 let Inst{7-0} = 0b00000010;
935 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
936 [/* For disassembly only; pattern left blank */]>,
937 Requires<[IsARM, HasV6T2]> {
938 let Inst{27-16} = 0b001100100000;
939 let Inst{15-8} = 0b11110000;
940 let Inst{7-0} = 0b00000011;
943 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
945 [/* For disassembly only; pattern left blank */]>,
946 Requires<[IsARM, HasV6]> {
951 let Inst{15-12} = Rd;
952 let Inst{19-16} = Rn;
953 let Inst{27-20} = 0b01101000;
954 let Inst{7-4} = 0b1011;
955 let Inst{11-8} = 0b1111;
958 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
959 [/* For disassembly only; pattern left blank */]>,
960 Requires<[IsARM, HasV6T2]> {
961 let Inst{27-16} = 0b001100100000;
962 let Inst{15-8} = 0b11110000;
963 let Inst{7-0} = 0b00000100;
966 // The i32imm operand $val can be used by a debugger to store more information
967 // about the breakpoint.
968 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
969 [/* For disassembly only; pattern left blank */]>,
972 let Inst{3-0} = val{3-0};
973 let Inst{19-8} = val{15-4};
974 let Inst{27-20} = 0b00010010;
975 let Inst{7-4} = 0b0111;
978 // Change Processor State is a system instruction -- for disassembly only.
979 // The singleton $opt operand contains the following information:
980 // opt{4-0} = mode from Inst{4-0}
981 // opt{5} = changemode from Inst{17}
982 // opt{8-6} = AIF from Inst{8-6}
983 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
984 // FIXME: Integrated assembler will need these split out.
985 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
986 [/* For disassembly only; pattern left blank */]>,
988 let Inst{31-28} = 0b1111;
989 let Inst{27-20} = 0b00010000;
994 // Preload signals the memory system of possible future data/instruction access.
995 // These are for disassembly only.
997 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
998 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
999 multiclass APreLoad<bit data, bit read, string opc> {
1001 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, NoItinerary,
1002 !strconcat(opc, "\t$addr"), []> {
1005 let Inst{31-26} = 0b111101;
1006 let Inst{25} = 0; // 0 for immediate form
1007 let Inst{24} = data;
1008 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1009 let Inst{22} = read;
1010 let Inst{21-20} = 0b01;
1011 let Inst{19-16} = addr{16-13}; // Rn
1012 let Inst{15-12} = Rt;
1013 let Inst{11-0} = addr{11-0}; // imm12
1016 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, NoItinerary,
1017 !strconcat(opc, "\t$shift"), []> {
1020 let Inst{31-26} = 0b111101;
1021 let Inst{25} = 1; // 1 for register form
1022 let Inst{24} = data;
1023 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1024 let Inst{22} = read;
1025 let Inst{21-20} = 0b01;
1026 let Inst{19-16} = shift{16-13}; // Rn
1027 let Inst{11-0} = shift{11-0};
1031 defm PLD : APreLoad<1, 1, "pld">;
1032 defm PLDW : APreLoad<1, 0, "pldw">;
1033 defm PLI : APreLoad<0, 1, "pli">;
1035 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1037 [/* For disassembly only; pattern left blank */]>,
1040 let Inst{31-10} = 0b1111000100000001000000;
1045 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1046 [/* For disassembly only; pattern left blank */]>,
1047 Requires<[IsARM, HasV7]> {
1049 let Inst{27-4} = 0b001100100000111100001111;
1050 let Inst{3-0} = opt;
1053 // A5.4 Permanently UNDEFINED instructions.
1054 let isBarrier = 1, isTerminator = 1 in
1055 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1058 let Inst{27-25} = 0b011;
1059 let Inst{24-20} = 0b11111;
1060 let Inst{7-5} = 0b111;
1064 // Address computation and loads and stores in PIC mode.
1065 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1066 // classes (AXI1, et.al.) and so have encoding information and such,
1067 // which is suboptimal. Once the rest of the code emitter (including
1068 // JIT) is MC-ized we should look at refactoring these into true
1069 // pseudos. As is, the encoding information ends up being ignored,
1070 // as these instructions are lowered to individual MC-insts.
1071 let isNotDuplicable = 1 in {
1072 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1073 Pseudo, IIC_iALUr, "",
1074 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1076 let AddedComplexity = 10 in {
1077 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1078 Pseudo, IIC_iLoad_r, "",
1079 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1081 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1082 Pseudo, IIC_iLoad_bh_r, "",
1083 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1085 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1086 Pseudo, IIC_iLoad_bh_r, "",
1087 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1089 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1090 Pseudo, IIC_iLoad_bh_r, "",
1091 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1093 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1094 Pseudo, IIC_iLoad_bh_r, "",
1095 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1097 let AddedComplexity = 10 in {
1098 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1099 Pseudo, IIC_iStore_r, "",
1100 [(store GPR:$src, addrmodepc:$addr)]>;
1102 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1103 Pseudo, IIC_iStore_bh_r, "",
1104 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1106 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1107 Pseudo, IIC_iStore_bh_r, "",
1108 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1110 } // isNotDuplicable = 1
1113 // LEApcrel - Load a pc-relative address into a register without offending the
1115 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1116 // the ADR instruction. Is this the right way to handle that? They need
1117 // encoding information regardless.
1118 let neverHasSideEffects = 1 in {
1119 let isReMaterializable = 1 in
1120 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1122 "adr$p\t$dst, #$label", []>;
1124 } // neverHasSideEffects
1125 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1126 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1128 "adr$p\t$dst, #${label}_${id}", []> {
1132 //===----------------------------------------------------------------------===//
1133 // Control Flow Instructions.
1136 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1138 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1139 "bx", "\tlr", [(ARMretflag)]>,
1140 Requires<[IsARM, HasV4T]> {
1141 let Inst{27-0} = 0b0001001011111111111100011110;
1145 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1146 "mov", "\tpc, lr", [(ARMretflag)]>,
1147 Requires<[IsARM, NoV4T]> {
1148 let Inst{27-0} = 0b0001101000001111000000001110;
1152 // Indirect branches
1153 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1155 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1156 [(brind GPR:$dst)]>,
1157 Requires<[IsARM, HasV4T]> {
1159 let Inst{31-4} = 0b1110000100101111111111110001;
1160 let Inst{3-0} = dst;
1164 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1165 [(brind GPR:$dst)]>,
1166 Requires<[IsARM, NoV4T]> {
1168 let Inst{31-4} = 0b1110000110100000111100000000;
1169 let Inst{3-0} = dst;
1173 // FIXME: remove when we have a way to marking a MI with these properties.
1174 // FIXME: Should pc be an implicit operand like PICADD, etc?
1175 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1176 hasExtraDefRegAllocReq = 1 in
1177 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1178 reglist:$dsts, variable_ops),
1179 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1180 "ldm${addr:submode}${p}\t$addr!, $dsts",
1181 "$addr.addr = $wb", []>;
1183 // On non-Darwin platforms R9 is callee-saved.
1185 Defs = [R0, R1, R2, R3, R12, LR,
1186 D0, D1, D2, D3, D4, D5, D6, D7,
1187 D16, D17, D18, D19, D20, D21, D22, D23,
1188 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1189 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1190 IIC_Br, "bl\t$func",
1191 [(ARMcall tglobaladdr:$func)]>,
1192 Requires<[IsARM, IsNotDarwin]> {
1193 let Inst{31-28} = 0b1110;
1194 // FIXME: Encoding info for $func. Needs fixups bits.
1197 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1198 IIC_Br, "bl", "\t$func",
1199 [(ARMcall_pred tglobaladdr:$func)]>,
1200 Requires<[IsARM, IsNotDarwin]>;
1203 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1204 IIC_Br, "blx\t$func",
1205 [(ARMcall GPR:$func)]>,
1206 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1208 let Inst{27-4} = 0b000100101111111111110011;
1209 let Inst{3-0} = func;
1213 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1214 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1215 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1216 [(ARMcall_nolink tGPR:$func)]>,
1217 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1219 let Inst{27-4} = 0b000100101111111111110001;
1220 let Inst{3-0} = func;
1224 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1225 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1226 [(ARMcall_nolink tGPR:$func)]>,
1227 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1229 let Inst{27-4} = 0b000110100000111100000000;
1230 let Inst{3-0} = func;
1234 // On Darwin R9 is call-clobbered.
1236 Defs = [R0, R1, R2, R3, R9, R12, LR,
1237 D0, D1, D2, D3, D4, D5, D6, D7,
1238 D16, D17, D18, D19, D20, D21, D22, D23,
1239 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1240 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1241 IIC_Br, "bl\t$func",
1242 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1243 let Inst{31-28} = 0b1110;
1244 // FIXME: Encoding info for $func. Needs fixups bits.
1247 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1248 IIC_Br, "bl", "\t$func",
1249 [(ARMcall_pred tglobaladdr:$func)]>,
1250 Requires<[IsARM, IsDarwin]>;
1253 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1254 IIC_Br, "blx\t$func",
1255 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1257 let Inst{27-4} = 0b000100101111111111110011;
1258 let Inst{3-0} = func;
1262 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1263 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1264 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1265 [(ARMcall_nolink tGPR:$func)]>,
1266 Requires<[IsARM, HasV4T, IsDarwin]> {
1268 let Inst{27-4} = 0b000100101111111111110001;
1269 let Inst{3-0} = func;
1273 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1274 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1275 [(ARMcall_nolink tGPR:$func)]>,
1276 Requires<[IsARM, NoV4T, IsDarwin]> {
1278 let Inst{27-4} = 0b000110100000111100000000;
1279 let Inst{3-0} = func;
1285 // FIXME: These should probably be xformed into the non-TC versions of the
1286 // instructions as part of MC lowering.
1287 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1289 let Defs = [R0, R1, R2, R3, R9, R12,
1290 D0, D1, D2, D3, D4, D5, D6, D7,
1291 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1292 D27, D28, D29, D30, D31, PC],
1294 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1296 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1298 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1300 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1302 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1303 IIC_Br, "b\t$dst @ TAILCALL",
1304 []>, Requires<[IsDarwin]>;
1306 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1307 IIC_Br, "b.w\t$dst @ TAILCALL",
1308 []>, Requires<[IsDarwin]>;
1310 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1311 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1312 []>, Requires<[IsDarwin]> {
1314 let Inst{31-4} = 0b1110000100101111111111110001;
1315 let Inst{3-0} = dst;
1319 // Non-Darwin versions (the difference is R9).
1320 let Defs = [R0, R1, R2, R3, R12,
1321 D0, D1, D2, D3, D4, D5, D6, D7,
1322 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1323 D27, D28, D29, D30, D31, PC],
1325 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1327 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1329 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1331 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1333 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1334 IIC_Br, "b\t$dst @ TAILCALL",
1335 []>, Requires<[IsARM, IsNotDarwin]>;
1337 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1338 IIC_Br, "b.w\t$dst @ TAILCALL",
1339 []>, Requires<[IsThumb, IsNotDarwin]>;
1341 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1342 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1343 []>, Requires<[IsNotDarwin]> {
1345 let Inst{31-4} = 0b1110000100101111111111110001;
1346 let Inst{3-0} = dst;
1351 let isBranch = 1, isTerminator = 1 in {
1352 // B is "predicable" since it can be xformed into a Bcc.
1353 let isBarrier = 1 in {
1354 let isPredicable = 1 in
1355 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1356 "b\t$target", [(br bb:$target)]>;
1358 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1359 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1360 IIC_Br, "mov\tpc, $target$jt",
1361 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1362 let Inst{11-4} = 0b00000000;
1363 let Inst{15-12} = 0b1111;
1364 let Inst{20} = 0; // S Bit
1365 let Inst{24-21} = 0b1101;
1366 let Inst{27-25} = 0b000;
1368 def BR_JTm : JTI<(outs),
1369 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1370 IIC_Br, "ldr\tpc, $target$jt",
1371 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1373 let Inst{15-12} = 0b1111;
1374 let Inst{20} = 1; // L bit
1375 let Inst{21} = 0; // W bit
1376 let Inst{22} = 0; // B bit
1377 let Inst{24} = 1; // P bit
1378 let Inst{27-25} = 0b011;
1380 def BR_JTadd : JTI<(outs),
1381 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1382 IIC_Br, "add\tpc, $target, $idx$jt",
1383 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1385 let Inst{15-12} = 0b1111;
1386 let Inst{20} = 0; // S bit
1387 let Inst{24-21} = 0b0100;
1388 let Inst{27-25} = 0b000;
1390 } // isNotDuplicable = 1, isIndirectBranch = 1
1393 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1394 // a two-value operand where a dag node expects two operands. :(
1395 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1396 IIC_Br, "b", "\t$target",
1397 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1400 // Branch and Exchange Jazelle -- for disassembly only
1401 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1402 [/* For disassembly only; pattern left blank */]> {
1403 let Inst{23-20} = 0b0010;
1404 //let Inst{19-8} = 0xfff;
1405 let Inst{7-4} = 0b0010;
1408 // Secure Monitor Call is a system instruction -- for disassembly only
1409 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1410 [/* For disassembly only; pattern left blank */]> {
1412 let Inst{23-4} = 0b01100000000000000111;
1413 let Inst{3-0} = opt;
1416 // Supervisor Call (Software Interrupt) -- for disassembly only
1418 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1419 [/* For disassembly only; pattern left blank */]> {
1421 let Inst{23-0} = svc;
1425 // Store Return State is a system instruction -- for disassembly only
1426 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1427 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1428 [/* For disassembly only; pattern left blank */]> {
1429 let Inst{31-28} = 0b1111;
1430 let Inst{22-20} = 0b110; // W = 1
1433 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1434 NoItinerary, "srs${addr:submode}\tsp, $mode",
1435 [/* For disassembly only; pattern left blank */]> {
1436 let Inst{31-28} = 0b1111;
1437 let Inst{22-20} = 0b100; // W = 0
1440 // Return From Exception is a system instruction -- for disassembly only
1441 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1442 NoItinerary, "rfe${addr:submode}\t$base!",
1443 [/* For disassembly only; pattern left blank */]> {
1444 let Inst{31-28} = 0b1111;
1445 let Inst{22-20} = 0b011; // W = 1
1448 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1449 NoItinerary, "rfe${addr:submode}\t$base",
1450 [/* For disassembly only; pattern left blank */]> {
1451 let Inst{31-28} = 0b1111;
1452 let Inst{22-20} = 0b001; // W = 0
1455 //===----------------------------------------------------------------------===//
1456 // Load / store Instructions.
1462 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1463 UnOpFrag<(load node:$Src)>>;
1464 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1465 UnOpFrag<(zextloadi8 node:$Src)>>;
1466 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1467 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1468 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1469 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1471 // Special LDR for loads from non-pc-relative constpools.
1472 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1473 isReMaterializable = 1 in
1474 def LDRcp : AIldst1<0b010, 0, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1475 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1478 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1479 let Inst{19-16} = 0b1111;
1480 let Inst{15-12} = Rt;
1481 let Inst{11-0} = addr{11-0}; // imm12
1484 // Loads with zero extension
1485 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1486 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1487 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1489 // Loads with sign extension
1490 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1491 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1492 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1494 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1495 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1496 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1498 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1500 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1501 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1502 []>, Requires<[IsARM, HasV5TE]>;
1505 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1506 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1507 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1509 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1510 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1511 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1513 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1514 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1515 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1517 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1518 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1519 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1521 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1522 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1523 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1525 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1526 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1527 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1529 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1530 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1531 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1533 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1534 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1535 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1537 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1538 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1539 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1541 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1542 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1543 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1545 // For disassembly only
1546 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1547 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1548 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1549 Requires<[IsARM, HasV5TE]>;
1551 // For disassembly only
1552 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1553 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1554 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1555 Requires<[IsARM, HasV5TE]>;
1557 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1559 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1561 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1562 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1563 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1564 let Inst{21} = 1; // overwrite
1567 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1568 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1569 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1570 let Inst{21} = 1; // overwrite
1573 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1574 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1575 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1576 let Inst{21} = 1; // overwrite
1579 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1580 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1581 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1582 let Inst{21} = 1; // overwrite
1585 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1586 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1587 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1588 let Inst{21} = 1; // overwrite
1593 // Stores with truncate
1594 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1595 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1596 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1599 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1600 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1601 StMiscFrm, IIC_iStore_d_r,
1602 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1605 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1606 (ins GPR:$src, GPR:$base, am2offset:$offset),
1607 StFrm, IIC_iStore_ru,
1608 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1610 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1612 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1613 (ins GPR:$src, GPR:$base,am2offset:$offset),
1614 StFrm, IIC_iStore_ru,
1615 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1617 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1619 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1620 (ins GPR:$src, GPR:$base,am3offset:$offset),
1621 StMiscFrm, IIC_iStore_ru,
1622 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1624 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1626 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1627 (ins GPR:$src, GPR:$base,am3offset:$offset),
1628 StMiscFrm, IIC_iStore_bh_ru,
1629 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1630 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1631 GPR:$base, am3offset:$offset))]>;
1633 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1634 (ins GPR:$src, GPR:$base,am2offset:$offset),
1635 StFrm, IIC_iStore_bh_ru,
1636 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1637 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1638 GPR:$base, am2offset:$offset))]>;
1640 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1641 (ins GPR:$src, GPR:$base,am2offset:$offset),
1642 StFrm, IIC_iStore_bh_ru,
1643 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1644 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1645 GPR:$base, am2offset:$offset))]>;
1647 // For disassembly only
1648 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1649 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1650 StMiscFrm, IIC_iStore_d_ru,
1651 "strd", "\t$src1, $src2, [$base, $offset]!",
1652 "$base = $base_wb", []>;
1654 // For disassembly only
1655 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1656 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1657 StMiscFrm, IIC_iStore_d_ru,
1658 "strd", "\t$src1, $src2, [$base], $offset",
1659 "$base = $base_wb", []>;
1661 // STRT, STRBT, and STRHT are for disassembly only.
1663 def STRT : AI2stwpo<(outs GPR:$base_wb),
1664 (ins GPR:$src, GPR:$base,am2offset:$offset),
1665 StFrm, IIC_iStore_ru,
1666 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1667 [/* For disassembly only; pattern left blank */]> {
1668 let Inst{21} = 1; // overwrite
1671 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1672 (ins GPR:$src, GPR:$base,am2offset:$offset),
1673 StFrm, IIC_iStore_bh_ru,
1674 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1675 [/* For disassembly only; pattern left blank */]> {
1676 let Inst{21} = 1; // overwrite
1679 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1680 (ins GPR:$src, GPR:$base,am3offset:$offset),
1681 StMiscFrm, IIC_iStore_bh_ru,
1682 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1683 [/* For disassembly only; pattern left blank */]> {
1684 let Inst{21} = 1; // overwrite
1687 //===----------------------------------------------------------------------===//
1688 // Load / store multiple Instructions.
1691 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1692 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1693 reglist:$dsts, variable_ops),
1694 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1695 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1697 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1698 reglist:$dsts, variable_ops),
1699 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1700 "ldm${addr:submode}${p}\t$addr!, $dsts",
1701 "$addr.addr = $wb", []>;
1702 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1704 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1705 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1706 reglist:$srcs, variable_ops),
1707 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1708 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1710 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1711 reglist:$srcs, variable_ops),
1712 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1713 "stm${addr:submode}${p}\t$addr!, $srcs",
1714 "$addr.addr = $wb", []>;
1715 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1717 //===----------------------------------------------------------------------===//
1718 // Move Instructions.
1721 let neverHasSideEffects = 1 in
1722 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1723 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1727 let Inst{11-4} = 0b00000000;
1730 let Inst{15-12} = Rd;
1733 // A version for the smaller set of tail call registers.
1734 let neverHasSideEffects = 1 in
1735 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1736 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1740 let Inst{11-4} = 0b00000000;
1743 let Inst{15-12} = Rd;
1746 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1747 DPSoRegFrm, IIC_iMOVsr,
1748 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1752 let Inst{15-12} = Rd;
1753 let Inst{11-0} = src;
1757 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1758 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1759 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1763 let Inst{15-12} = Rd;
1764 let Inst{19-16} = 0b0000;
1765 let Inst{11-0} = imm;
1768 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1769 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1771 "movw", "\t$Rd, $imm",
1772 [(set GPR:$Rd, imm0_65535:$imm)]>,
1773 Requires<[IsARM, HasV6T2]>, UnaryDP {
1776 let Inst{15-12} = Rd;
1777 let Inst{11-0} = imm{11-0};
1778 let Inst{19-16} = imm{15-12};
1783 let Constraints = "$src = $Rd" in
1784 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1786 "movt", "\t$Rd, $imm",
1788 (or (and GPR:$src, 0xffff),
1789 lo16AllZero:$imm))]>, UnaryDP,
1790 Requires<[IsARM, HasV6T2]> {
1793 let Inst{15-12} = Rd;
1794 let Inst{11-0} = imm{11-0};
1795 let Inst{19-16} = imm{15-12};
1800 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1801 Requires<[IsARM, HasV6T2]>;
1803 let Uses = [CPSR] in
1804 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1805 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1808 // These aren't really mov instructions, but we have to define them this way
1809 // due to flag operands.
1811 let Defs = [CPSR] in {
1812 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1813 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1815 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1816 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1820 //===----------------------------------------------------------------------===//
1821 // Extend Instructions.
1826 defm SXTB : AI_ext_rrot<0b01101010,
1827 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1828 defm SXTH : AI_ext_rrot<0b01101011,
1829 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1831 defm SXTAB : AI_exta_rrot<0b01101010,
1832 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1833 defm SXTAH : AI_exta_rrot<0b01101011,
1834 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1836 // For disassembly only
1837 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1839 // For disassembly only
1840 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1844 let AddedComplexity = 16 in {
1845 defm UXTB : AI_ext_rrot<0b01101110,
1846 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1847 defm UXTH : AI_ext_rrot<0b01101111,
1848 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1849 defm UXTB16 : AI_ext_rrot<0b01101100,
1850 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1852 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1853 // The transformation should probably be done as a combiner action
1854 // instead so we can include a check for masking back in the upper
1855 // eight bits of the source into the lower eight bits of the result.
1856 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1857 // (UXTB16r_rot GPR:$Src, 24)>;
1858 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1859 (UXTB16r_rot GPR:$Src, 8)>;
1861 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1862 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1863 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1864 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1867 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1868 // For disassembly only
1869 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1872 def SBFX : I<(outs GPR:$Rd),
1873 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1874 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1875 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1876 Requires<[IsARM, HasV6T2]> {
1881 let Inst{27-21} = 0b0111101;
1882 let Inst{6-4} = 0b101;
1883 let Inst{20-16} = width;
1884 let Inst{15-12} = Rd;
1885 let Inst{11-7} = lsb;
1889 def UBFX : I<(outs GPR:$Rd),
1890 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1891 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1892 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1893 Requires<[IsARM, HasV6T2]> {
1898 let Inst{27-21} = 0b0111111;
1899 let Inst{6-4} = 0b101;
1900 let Inst{20-16} = width;
1901 let Inst{15-12} = Rd;
1902 let Inst{11-7} = lsb;
1906 //===----------------------------------------------------------------------===//
1907 // Arithmetic Instructions.
1910 defm ADD : AsI1_bin_irs<0b0100, "add",
1911 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1912 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1913 defm SUB : AsI1_bin_irs<0b0010, "sub",
1914 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1915 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1917 // ADD and SUB with 's' bit set.
1918 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1919 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1920 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1921 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1922 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1923 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1925 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1926 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1927 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1928 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1929 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1930 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1931 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1932 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1934 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1935 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1936 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1941 let Inst{15-12} = Rd;
1942 let Inst{19-16} = Rn;
1943 let Inst{11-0} = imm;
1946 // The reg/reg form is only defined for the disassembler; for codegen it is
1947 // equivalent to SUBrr.
1948 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1949 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1950 [/* For disassembly only; pattern left blank */]> {
1954 let Inst{11-4} = 0b00000000;
1957 let Inst{15-12} = Rd;
1958 let Inst{19-16} = Rn;
1961 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1962 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1963 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1968 let Inst{11-0} = shift;
1969 let Inst{15-12} = Rd;
1970 let Inst{19-16} = Rn;
1973 // RSB with 's' bit set.
1974 let Defs = [CPSR] in {
1975 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1976 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
1977 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
1983 let Inst{15-12} = Rd;
1984 let Inst{19-16} = Rn;
1985 let Inst{11-0} = imm;
1987 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1988 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
1989 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
1995 let Inst{11-0} = shift;
1996 let Inst{15-12} = Rd;
1997 let Inst{19-16} = Rn;
2001 let Uses = [CPSR] in {
2002 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2003 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2004 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2010 let Inst{15-12} = Rd;
2011 let Inst{19-16} = Rn;
2012 let Inst{11-0} = imm;
2014 // The reg/reg form is only defined for the disassembler; for codegen it is
2015 // equivalent to SUBrr.
2016 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2017 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2018 [/* For disassembly only; pattern left blank */]> {
2022 let Inst{11-4} = 0b00000000;
2025 let Inst{15-12} = Rd;
2026 let Inst{19-16} = Rn;
2028 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2029 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2030 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2036 let Inst{11-0} = shift;
2037 let Inst{15-12} = Rd;
2038 let Inst{19-16} = Rn;
2042 // FIXME: Allow these to be predicated.
2043 let Defs = [CPSR], Uses = [CPSR] in {
2044 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2045 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2046 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2053 let Inst{15-12} = Rd;
2054 let Inst{19-16} = Rn;
2055 let Inst{11-0} = imm;
2057 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2058 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2059 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2066 let Inst{11-0} = shift;
2067 let Inst{15-12} = Rd;
2068 let Inst{19-16} = Rn;
2072 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2073 // The assume-no-carry-in form uses the negation of the input since add/sub
2074 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2075 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2077 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2078 (SUBri GPR:$src, so_imm_neg:$imm)>;
2079 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2080 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2081 // The with-carry-in form matches bitwise not instead of the negation.
2082 // Effectively, the inverse interpretation of the carry flag already accounts
2083 // for part of the negation.
2084 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2085 (SBCri GPR:$src, so_imm_not:$imm)>;
2087 // Note: These are implemented in C++ code, because they have to generate
2088 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2090 // (mul X, 2^n+1) -> (add (X << n), X)
2091 // (mul X, 2^n-1) -> (rsb X, (X << n))
2093 // ARM Arithmetic Instruction -- for disassembly only
2094 // GPR:$dst = GPR:$a op GPR:$b
2095 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2096 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2097 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2098 opc, "\t$Rd, $Rn, $Rm", pattern> {
2102 let Inst{27-20} = op27_20;
2103 let Inst{11-4} = op11_4;
2104 let Inst{19-16} = Rn;
2105 let Inst{15-12} = Rd;
2109 // Saturating add/subtract -- for disassembly only
2111 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2112 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2113 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2114 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2115 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2116 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2118 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2119 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2120 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2121 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2122 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2123 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2124 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2125 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2126 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2127 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2128 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2129 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2131 // Signed/Unsigned add/subtract -- for disassembly only
2133 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2134 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2135 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2136 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2137 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2138 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2139 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2140 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2141 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2142 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2143 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2144 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2146 // Signed/Unsigned halving add/subtract -- for disassembly only
2148 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2149 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2150 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2151 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2152 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2153 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2154 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2155 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2156 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2157 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2158 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2159 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2161 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2163 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2164 MulFrm /* for convenience */, NoItinerary, "usad8",
2165 "\t$Rd, $Rn, $Rm", []>,
2166 Requires<[IsARM, HasV6]> {
2170 let Inst{27-20} = 0b01111000;
2171 let Inst{15-12} = 0b1111;
2172 let Inst{7-4} = 0b0001;
2173 let Inst{19-16} = Rd;
2174 let Inst{11-8} = Rm;
2177 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2178 MulFrm /* for convenience */, NoItinerary, "usada8",
2179 "\t$Rd, $Rn, $Rm, $Ra", []>,
2180 Requires<[IsARM, HasV6]> {
2185 let Inst{27-20} = 0b01111000;
2186 let Inst{7-4} = 0b0001;
2187 let Inst{19-16} = Rd;
2188 let Inst{15-12} = Ra;
2189 let Inst{11-8} = Rm;
2193 // Signed/Unsigned saturate -- for disassembly only
2195 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2196 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2197 [/* For disassembly only; pattern left blank */]> {
2202 let Inst{27-21} = 0b0110101;
2203 let Inst{5-4} = 0b01;
2204 let Inst{20-16} = sat_imm;
2205 let Inst{15-12} = Rd;
2206 let Inst{11-7} = sh{7-3};
2207 let Inst{6} = sh{0};
2211 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2212 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2213 [/* For disassembly only; pattern left blank */]> {
2217 let Inst{27-20} = 0b01101010;
2218 let Inst{11-4} = 0b11110011;
2219 let Inst{15-12} = Rd;
2220 let Inst{19-16} = sat_imm;
2224 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2225 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2226 [/* For disassembly only; pattern left blank */]> {
2231 let Inst{27-21} = 0b0110111;
2232 let Inst{5-4} = 0b01;
2233 let Inst{15-12} = Rd;
2234 let Inst{11-7} = sh{7-3};
2235 let Inst{6} = sh{0};
2236 let Inst{20-16} = sat_imm;
2240 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2241 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2242 [/* For disassembly only; pattern left blank */]> {
2246 let Inst{27-20} = 0b01101110;
2247 let Inst{11-4} = 0b11110011;
2248 let Inst{15-12} = Rd;
2249 let Inst{19-16} = sat_imm;
2253 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2254 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2256 //===----------------------------------------------------------------------===//
2257 // Bitwise Instructions.
2260 defm AND : AsI1_bin_irs<0b0000, "and",
2261 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2262 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2263 defm ORR : AsI1_bin_irs<0b1100, "orr",
2264 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2265 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2266 defm EOR : AsI1_bin_irs<0b0001, "eor",
2267 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2268 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2269 defm BIC : AsI1_bin_irs<0b1110, "bic",
2270 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2271 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2273 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2274 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2275 "bfc", "\t$Rd, $imm", "$src = $Rd",
2276 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2277 Requires<[IsARM, HasV6T2]> {
2280 let Inst{27-21} = 0b0111110;
2281 let Inst{6-0} = 0b0011111;
2282 let Inst{15-12} = Rd;
2283 let Inst{11-7} = imm{4-0}; // lsb
2284 let Inst{20-16} = imm{9-5}; // width
2287 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2288 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2289 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2290 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2291 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2292 bf_inv_mask_imm:$imm))]>,
2293 Requires<[IsARM, HasV6T2]> {
2297 let Inst{27-21} = 0b0111110;
2298 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2299 let Inst{15-12} = Rd;
2300 let Inst{11-7} = imm{4-0}; // lsb
2301 let Inst{20-16} = imm{9-5}; // width
2305 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2306 "mvn", "\t$Rd, $Rm",
2307 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2311 let Inst{19-16} = 0b0000;
2312 let Inst{11-4} = 0b00000000;
2313 let Inst{15-12} = Rd;
2316 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2317 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2318 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2323 let Inst{19-16} = 0b0000;
2324 let Inst{15-12} = Rd;
2325 let Inst{11-0} = shift;
2327 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2328 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2329 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2330 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2335 let Inst{19-16} = 0b0000;
2336 let Inst{15-12} = Rd;
2337 let Inst{11-0} = imm;
2340 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2341 (BICri GPR:$src, so_imm_not:$imm)>;
2343 //===----------------------------------------------------------------------===//
2344 // Multiply Instructions.
2346 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2347 string opc, string asm, list<dag> pattern>
2348 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2352 let Inst{19-16} = Rd;
2353 let Inst{11-8} = Rm;
2356 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2357 string opc, string asm, list<dag> pattern>
2358 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2363 let Inst{19-16} = RdHi;
2364 let Inst{15-12} = RdLo;
2365 let Inst{11-8} = Rm;
2369 let isCommutable = 1 in
2370 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2371 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2372 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2374 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2375 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2376 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2378 let Inst{15-12} = Ra;
2381 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2382 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2383 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2384 Requires<[IsARM, HasV6T2]> {
2388 let Inst{19-16} = Rd;
2389 let Inst{11-8} = Rm;
2393 // Extra precision multiplies with low / high results
2395 let neverHasSideEffects = 1 in {
2396 let isCommutable = 1 in {
2397 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2398 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2399 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2401 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2402 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2403 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2406 // Multiply + accumulate
2407 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2408 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2409 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2411 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2412 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2413 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2415 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2416 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2417 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2418 Requires<[IsARM, HasV6]> {
2423 let Inst{19-16} = RdLo;
2424 let Inst{15-12} = RdHi;
2425 let Inst{11-8} = Rm;
2428 } // neverHasSideEffects
2430 // Most significant word multiply
2431 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2432 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2433 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2434 Requires<[IsARM, HasV6]> {
2435 let Inst{15-12} = 0b1111;
2438 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2439 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2440 [/* For disassembly only; pattern left blank */]>,
2441 Requires<[IsARM, HasV6]> {
2442 let Inst{15-12} = 0b1111;
2445 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2446 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2447 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2448 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2449 Requires<[IsARM, HasV6]>;
2451 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2452 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2453 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2454 [/* For disassembly only; pattern left blank */]>,
2455 Requires<[IsARM, HasV6]>;
2457 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2458 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2459 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2460 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2461 Requires<[IsARM, HasV6]>;
2463 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2464 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2465 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2466 [/* For disassembly only; pattern left blank */]>,
2467 Requires<[IsARM, HasV6]>;
2469 multiclass AI_smul<string opc, PatFrag opnode> {
2470 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2471 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2472 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2473 (sext_inreg GPR:$Rm, i16)))]>,
2474 Requires<[IsARM, HasV5TE]>;
2476 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2477 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2478 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2479 (sra GPR:$Rm, (i32 16))))]>,
2480 Requires<[IsARM, HasV5TE]>;
2482 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2483 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2484 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2485 (sext_inreg GPR:$Rm, i16)))]>,
2486 Requires<[IsARM, HasV5TE]>;
2488 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2489 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2490 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2491 (sra GPR:$Rm, (i32 16))))]>,
2492 Requires<[IsARM, HasV5TE]>;
2494 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2495 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2496 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2497 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2498 Requires<[IsARM, HasV5TE]>;
2500 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2501 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2502 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2503 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2504 Requires<[IsARM, HasV5TE]>;
2508 multiclass AI_smla<string opc, PatFrag opnode> {
2509 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2510 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2511 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2512 [(set GPR:$Rd, (add GPR:$Ra,
2513 (opnode (sext_inreg GPR:$Rn, i16),
2514 (sext_inreg GPR:$Rm, i16))))]>,
2515 Requires<[IsARM, HasV5TE]>;
2517 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2518 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2519 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2520 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2521 (sra GPR:$Rm, (i32 16)))))]>,
2522 Requires<[IsARM, HasV5TE]>;
2524 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2525 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2526 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2527 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2528 (sext_inreg GPR:$Rm, i16))))]>,
2529 Requires<[IsARM, HasV5TE]>;
2531 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2532 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2533 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2534 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2535 (sra GPR:$Rm, (i32 16)))))]>,
2536 Requires<[IsARM, HasV5TE]>;
2538 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2539 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2540 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2541 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2542 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2543 Requires<[IsARM, HasV5TE]>;
2545 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2546 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2547 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2548 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2549 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2550 Requires<[IsARM, HasV5TE]>;
2553 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2554 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2556 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2557 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2558 (ins GPR:$Rn, GPR:$Rm),
2559 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2560 [/* For disassembly only; pattern left blank */]>,
2561 Requires<[IsARM, HasV5TE]>;
2563 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2564 (ins GPR:$Rn, GPR:$Rm),
2565 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2566 [/* For disassembly only; pattern left blank */]>,
2567 Requires<[IsARM, HasV5TE]>;
2569 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2570 (ins GPR:$Rn, GPR:$Rm),
2571 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2572 [/* For disassembly only; pattern left blank */]>,
2573 Requires<[IsARM, HasV5TE]>;
2575 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2576 (ins GPR:$Rn, GPR:$Rm),
2577 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2578 [/* For disassembly only; pattern left blank */]>,
2579 Requires<[IsARM, HasV5TE]>;
2581 // Helper class for AI_smld -- for disassembly only
2582 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2583 InstrItinClass itin, string opc, string asm>
2584 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2591 let Inst{21-20} = 0b00;
2592 let Inst{22} = long;
2593 let Inst{27-23} = 0b01110;
2594 let Inst{11-8} = Rm;
2597 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2598 InstrItinClass itin, string opc, string asm>
2599 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2601 let Inst{15-12} = 0b1111;
2602 let Inst{19-16} = Rd;
2604 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2605 InstrItinClass itin, string opc, string asm>
2606 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2608 let Inst{15-12} = Ra;
2610 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2611 InstrItinClass itin, string opc, string asm>
2612 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2615 let Inst{19-16} = RdHi;
2616 let Inst{15-12} = RdLo;
2619 multiclass AI_smld<bit sub, string opc> {
2621 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2622 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2624 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2625 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2627 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2628 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2629 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2631 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2632 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2633 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2637 defm SMLA : AI_smld<0, "smla">;
2638 defm SMLS : AI_smld<1, "smls">;
2640 multiclass AI_sdml<bit sub, string opc> {
2642 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2643 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2644 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2645 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2648 defm SMUA : AI_sdml<0, "smua">;
2649 defm SMUS : AI_sdml<1, "smus">;
2651 //===----------------------------------------------------------------------===//
2652 // Misc. Arithmetic Instructions.
2655 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2656 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2657 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2659 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2660 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2661 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2662 Requires<[IsARM, HasV6T2]>;
2664 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2665 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2666 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2668 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2669 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2671 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2672 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2673 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2674 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2675 Requires<[IsARM, HasV6]>;
2677 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2678 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2681 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2682 (shl GPR:$Rm, (i32 8))), i16))]>,
2683 Requires<[IsARM, HasV6]>;
2685 def lsl_shift_imm : SDNodeXForm<imm, [{
2686 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2687 return CurDAG->getTargetConstant(Sh, MVT::i32);
2690 def lsl_amt : PatLeaf<(i32 imm), [{
2691 return (N->getZExtValue() < 32);
2694 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2695 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2696 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2697 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2698 (and (shl GPR:$Rm, lsl_amt:$sh),
2700 Requires<[IsARM, HasV6]>;
2702 // Alternate cases for PKHBT where identities eliminate some nodes.
2703 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2704 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2705 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2706 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2708 def asr_shift_imm : SDNodeXForm<imm, [{
2709 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2710 return CurDAG->getTargetConstant(Sh, MVT::i32);
2713 def asr_amt : PatLeaf<(i32 imm), [{
2714 return (N->getZExtValue() <= 32);
2717 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2718 // will match the pattern below.
2719 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2720 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2721 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2722 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2723 (and (sra GPR:$Rm, asr_amt:$sh),
2725 Requires<[IsARM, HasV6]>;
2727 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2728 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2729 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2730 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2731 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2732 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2733 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2735 //===----------------------------------------------------------------------===//
2736 // Comparison Instructions...
2739 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2740 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2741 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2743 // FIXME: We have to be careful when using the CMN instruction and comparison
2744 // with 0. One would expect these two pieces of code should give identical
2760 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2761 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2762 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2763 // value of r0 and the carry bit (because the "carry bit" parameter to
2764 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2765 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2766 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2767 // parameter to AddWithCarry is defined as 0).
2769 // When x is 0 and unsigned:
2773 // ~x + 1 = 0x1 0000 0000
2774 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2776 // Therefore, we should disable CMN when comparing against zero, until we can
2777 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2778 // when it's a comparison which doesn't look at the 'carry' flag).
2780 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2782 // This is related to <rdar://problem/7569620>.
2784 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2785 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2787 // Note that TST/TEQ don't set all the same flags that CMP does!
2788 defm TST : AI1_cmp_irs<0b1000, "tst",
2789 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2790 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2791 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2792 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2793 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2795 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2796 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2797 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2798 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2799 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2800 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2802 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2803 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2805 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2806 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2808 // Pseudo i64 compares for some floating point compares.
2809 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2811 def BCCi64 : PseudoInst<(outs),
2812 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2814 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2816 def BCCZi64 : PseudoInst<(outs),
2817 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2818 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2819 } // usesCustomInserter
2822 // Conditional moves
2823 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2824 // a two-value operand where a dag node expects two operands. :(
2825 // FIXME: These should all be pseudo-instructions that get expanded to
2826 // the normal MOV instructions. That would fix the dependency on
2827 // special casing them in tblgen.
2828 let neverHasSideEffects = 1 in {
2829 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2830 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2831 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2832 RegConstraint<"$false = $Rd">, UnaryDP {
2837 let Inst{15-12} = Rd;
2838 let Inst{11-4} = 0b00000000;
2842 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2843 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2844 "mov", "\t$Rd, $shift",
2845 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2846 RegConstraint<"$false = $Rd">, UnaryDP {
2852 let Inst{19-16} = Rn;
2853 let Inst{15-12} = Rd;
2854 let Inst{11-0} = shift;
2857 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
2859 "movw", "\t$Rd, $imm",
2861 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
2867 let Inst{19-16} = imm{15-12};
2868 let Inst{15-12} = Rd;
2869 let Inst{11-0} = imm{11-0};
2872 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
2873 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2874 "mov", "\t$Rd, $imm",
2875 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
2876 RegConstraint<"$false = $Rd">, UnaryDP {
2881 let Inst{19-16} = 0b0000;
2882 let Inst{15-12} = Rd;
2883 let Inst{11-0} = imm;
2885 } // neverHasSideEffects
2887 //===----------------------------------------------------------------------===//
2888 // Atomic operations intrinsics
2891 // memory barriers protect the atomic sequences
2892 let hasSideEffects = 1 in {
2893 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2894 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2895 let Inst{31-4} = 0xf57ff05;
2896 // FIXME: add support for options other than a full system DMB
2897 // See DMB disassembly-only variants below.
2898 let Inst{3-0} = 0b1111;
2901 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2902 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2903 let Inst{31-4} = 0xf57ff04;
2904 // FIXME: add support for options other than a full system DSB
2905 // See DSB disassembly-only variants below.
2906 let Inst{3-0} = 0b1111;
2909 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2910 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2911 [(ARMMemBarrierMCR GPR:$zero)]>,
2912 Requires<[IsARM, HasV6]> {
2913 // FIXME: add support for options other than a full system DMB
2914 // FIXME: add encoding
2917 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2918 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2919 [(ARMSyncBarrierMCR GPR:$zero)]>,
2920 Requires<[IsARM, HasV6]> {
2921 // FIXME: add support for options other than a full system DSB
2922 // FIXME: add encoding
2926 // Memory Barrier Operations Variants -- for disassembly only
2928 def memb_opt : Operand<i32> {
2929 let PrintMethod = "printMemBOption";
2932 class AMBI<bits<4> op7_4, string opc>
2933 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2934 [/* For disassembly only; pattern left blank */]>,
2935 Requires<[IsARM, HasDB]> {
2936 let Inst{31-8} = 0xf57ff0;
2937 let Inst{7-4} = op7_4;
2940 // These DMB variants are for disassembly only.
2941 def DMBvar : AMBI<0b0101, "dmb">;
2943 // These DSB variants are for disassembly only.
2944 def DSBvar : AMBI<0b0100, "dsb">;
2946 // ISB has only full system option -- for disassembly only
2947 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2948 Requires<[IsARM, HasDB]> {
2949 let Inst{31-4} = 0xf57ff06;
2950 let Inst{3-0} = 0b1111;
2953 let usesCustomInserter = 1 in {
2954 let Uses = [CPSR] in {
2955 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2956 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2957 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2958 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2959 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2960 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2961 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2962 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2963 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2964 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2965 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2966 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2967 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2968 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2969 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2970 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2971 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2972 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2973 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2974 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2975 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2976 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2977 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2978 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2979 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2980 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2981 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2982 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2983 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2984 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2985 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2986 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2987 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2988 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2989 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2990 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2991 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2992 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2993 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2994 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2995 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2996 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2997 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2998 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2999 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3000 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3001 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3002 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3003 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3004 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3005 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3006 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3007 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3008 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3010 def ATOMIC_SWAP_I8 : PseudoInst<
3011 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3012 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3013 def ATOMIC_SWAP_I16 : PseudoInst<
3014 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3015 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3016 def ATOMIC_SWAP_I32 : PseudoInst<
3017 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3018 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3020 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3021 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3022 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3023 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3024 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3025 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3026 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3027 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3028 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3032 let mayLoad = 1 in {
3033 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3034 "ldrexb", "\t$Rt, [$Rn]",
3036 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3037 "ldrexh", "\t$Rt, [$Rn]",
3039 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3040 "ldrex", "\t$Rt, [$Rn]",
3042 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3044 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3048 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3049 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3051 "strexb", "\t$Rd, $src, [$Rn]",
3053 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3055 "strexh", "\t$Rd, $Rt, [$Rn]",
3057 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3059 "strex", "\t$Rd, $Rt, [$Rn]",
3061 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3062 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3064 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3068 // Clear-Exclusive is for disassembly only.
3069 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3070 [/* For disassembly only; pattern left blank */]>,
3071 Requires<[IsARM, HasV7]> {
3072 let Inst{31-0} = 0b11110101011111111111000000011111;
3075 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3076 let mayLoad = 1 in {
3077 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3078 [/* For disassembly only; pattern left blank */]>;
3079 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3080 [/* For disassembly only; pattern left blank */]>;
3083 //===----------------------------------------------------------------------===//
3087 // __aeabi_read_tp preserves the registers r1-r3.
3088 // FIXME: This needs to be a pseudo of some sort so that we can get the
3089 // encoding right, complete with fixup for the aeabi_read_tp function.
3091 Defs = [R0, R12, LR, CPSR] in {
3092 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3093 "bl\t__aeabi_read_tp",
3094 [(set R0, ARMthread_pointer)]>;
3097 //===----------------------------------------------------------------------===//
3098 // SJLJ Exception handling intrinsics
3099 // eh_sjlj_setjmp() is an instruction sequence to store the return
3100 // address and save #0 in R0 for the non-longjmp case.
3101 // Since by its nature we may be coming from some other function to get
3102 // here, and we're using the stack frame for the containing function to
3103 // save/restore registers, we can't keep anything live in regs across
3104 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3105 // when we get here from a longjmp(). We force everthing out of registers
3106 // except for our own input by listing the relevant registers in Defs. By
3107 // doing so, we also cause the prologue/epilogue code to actively preserve
3108 // all of the callee-saved resgisters, which is exactly what we want.
3109 // A constant value is passed in $val, and we use the location as a scratch.
3111 // These are pseudo-instructions and are lowered to individual MC-insts, so
3112 // no encoding information is necessary.
3114 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3115 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3116 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3117 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3118 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3119 AddrModeNone, SizeSpecial, IndexModeNone,
3120 Pseudo, NoItinerary, "", "",
3121 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3122 Requires<[IsARM, HasVFP2]>;
3126 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3127 hasSideEffects = 1, isBarrier = 1 in {
3128 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3129 AddrModeNone, SizeSpecial, IndexModeNone,
3130 Pseudo, NoItinerary, "", "",
3131 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3132 Requires<[IsARM, NoVFP]>;
3135 // FIXME: Non-Darwin version(s)
3136 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3137 Defs = [ R7, LR, SP ] in {
3138 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3139 AddrModeNone, SizeSpecial, IndexModeNone,
3140 Pseudo, NoItinerary, "", "",
3141 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3142 Requires<[IsARM, IsDarwin]>;
3145 // eh.sjlj.dispatchsetup pseudo-instruction.
3146 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3147 // handled when the pseudo is expanded (which happens before any passes
3148 // that need the instruction size).
3149 let isBarrier = 1, hasSideEffects = 1 in
3150 def Int_eh_sjlj_dispatchsetup :
3151 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3152 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3153 Requires<[IsDarwin]>;
3155 //===----------------------------------------------------------------------===//
3156 // Non-Instruction Patterns
3159 // Large immediate handling.
3161 // Two piece so_imms.
3162 // FIXME: Remove this when we can do generalized remat.
3163 let isReMaterializable = 1 in
3164 def MOVi2pieces : PseudoInst<(outs GPR:$dst), (ins so_imm2part:$src),
3166 [(set GPR:$dst, (so_imm2part:$src))]>,
3167 Requires<[IsARM, NoV6T2]>;
3169 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3170 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3171 (so_imm2part_2 imm:$RHS))>;
3172 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3173 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3174 (so_imm2part_2 imm:$RHS))>;
3175 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3176 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3177 (so_imm2part_2 imm:$RHS))>;
3178 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3179 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3180 (so_neg_imm2part_2 imm:$RHS))>;
3182 // 32-bit immediate using movw + movt.
3183 // This is a single pseudo instruction, the benefit is that it can be remat'd
3184 // as a single unit instead of having to handle reg inputs.
3185 // FIXME: Remove this when we can do generalized remat.
3186 let isReMaterializable = 1 in
3187 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3188 [(set GPR:$dst, (i32 imm:$src))]>,
3189 Requires<[IsARM, HasV6T2]>;
3191 // ConstantPool, GlobalAddress, and JumpTable
3192 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3193 Requires<[IsARM, DontUseMovt]>;
3194 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3195 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3196 Requires<[IsARM, UseMovt]>;
3197 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3198 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3200 // TODO: add,sub,and, 3-instr forms?
3203 def : ARMPat<(ARMtcret tcGPR:$dst),
3204 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3206 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3207 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3209 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3210 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3212 def : ARMPat<(ARMtcret tcGPR:$dst),
3213 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3215 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3216 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3218 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3219 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3222 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3223 Requires<[IsARM, IsNotDarwin]>;
3224 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3225 Requires<[IsARM, IsDarwin]>;
3227 // zextload i1 -> zextload i8
3228 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3229 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3231 // extload -> zextload
3232 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3233 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3234 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3235 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3237 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3239 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3240 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3243 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3244 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3245 (SMULBB GPR:$a, GPR:$b)>;
3246 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3247 (SMULBB GPR:$a, GPR:$b)>;
3248 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3249 (sra GPR:$b, (i32 16))),
3250 (SMULBT GPR:$a, GPR:$b)>;
3251 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3252 (SMULBT GPR:$a, GPR:$b)>;
3253 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3254 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3255 (SMULTB GPR:$a, GPR:$b)>;
3256 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3257 (SMULTB GPR:$a, GPR:$b)>;
3258 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3260 (SMULWB GPR:$a, GPR:$b)>;
3261 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3262 (SMULWB GPR:$a, GPR:$b)>;
3264 def : ARMV5TEPat<(add GPR:$acc,
3265 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3266 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3267 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3268 def : ARMV5TEPat<(add GPR:$acc,
3269 (mul sext_16_node:$a, sext_16_node:$b)),
3270 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3271 def : ARMV5TEPat<(add GPR:$acc,
3272 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3273 (sra GPR:$b, (i32 16)))),
3274 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3275 def : ARMV5TEPat<(add GPR:$acc,
3276 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3277 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3278 def : ARMV5TEPat<(add GPR:$acc,
3279 (mul (sra GPR:$a, (i32 16)),
3280 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3281 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3282 def : ARMV5TEPat<(add GPR:$acc,
3283 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3284 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3285 def : ARMV5TEPat<(add GPR:$acc,
3286 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3288 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3289 def : ARMV5TEPat<(add GPR:$acc,
3290 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3291 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3293 //===----------------------------------------------------------------------===//
3297 include "ARMInstrThumb.td"
3299 //===----------------------------------------------------------------------===//
3303 include "ARMInstrThumb2.td"
3305 //===----------------------------------------------------------------------===//
3306 // Floating Point Support
3309 include "ARMInstrVFP.td"
3311 //===----------------------------------------------------------------------===//
3312 // Advanced SIMD (NEON) Support
3315 include "ARMInstrNEON.td"
3317 //===----------------------------------------------------------------------===//
3318 // Coprocessor Instructions. For disassembly only.
3321 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3322 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3323 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3324 [/* For disassembly only; pattern left blank */]> {
3328 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3329 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3330 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3331 [/* For disassembly only; pattern left blank */]> {
3332 let Inst{31-28} = 0b1111;
3336 class ACI<dag oops, dag iops, string opc, string asm>
3337 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3338 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3339 let Inst{27-25} = 0b110;
3342 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3344 def _OFFSET : ACI<(outs),
3345 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3346 opc, "\tp$cop, cr$CRd, $addr"> {
3347 let Inst{31-28} = op31_28;
3348 let Inst{24} = 1; // P = 1
3349 let Inst{21} = 0; // W = 0
3350 let Inst{22} = 0; // D = 0
3351 let Inst{20} = load;
3354 def _PRE : ACI<(outs),
3355 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3356 opc, "\tp$cop, cr$CRd, $addr!"> {
3357 let Inst{31-28} = op31_28;
3358 let Inst{24} = 1; // P = 1
3359 let Inst{21} = 1; // W = 1
3360 let Inst{22} = 0; // D = 0
3361 let Inst{20} = load;
3364 def _POST : ACI<(outs),
3365 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3366 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3367 let Inst{31-28} = op31_28;
3368 let Inst{24} = 0; // P = 0
3369 let Inst{21} = 1; // W = 1
3370 let Inst{22} = 0; // D = 0
3371 let Inst{20} = load;
3374 def _OPTION : ACI<(outs),
3375 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3376 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3377 let Inst{31-28} = op31_28;
3378 let Inst{24} = 0; // P = 0
3379 let Inst{23} = 1; // U = 1
3380 let Inst{21} = 0; // W = 0
3381 let Inst{22} = 0; // D = 0
3382 let Inst{20} = load;
3385 def L_OFFSET : ACI<(outs),
3386 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3387 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3388 let Inst{31-28} = op31_28;
3389 let Inst{24} = 1; // P = 1
3390 let Inst{21} = 0; // W = 0
3391 let Inst{22} = 1; // D = 1
3392 let Inst{20} = load;
3395 def L_PRE : ACI<(outs),
3396 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3397 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3398 let Inst{31-28} = op31_28;
3399 let Inst{24} = 1; // P = 1
3400 let Inst{21} = 1; // W = 1
3401 let Inst{22} = 1; // D = 1
3402 let Inst{20} = load;
3405 def L_POST : ACI<(outs),
3406 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3407 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3408 let Inst{31-28} = op31_28;
3409 let Inst{24} = 0; // P = 0
3410 let Inst{21} = 1; // W = 1
3411 let Inst{22} = 1; // D = 1
3412 let Inst{20} = load;
3415 def L_OPTION : ACI<(outs),
3416 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3417 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3418 let Inst{31-28} = op31_28;
3419 let Inst{24} = 0; // P = 0
3420 let Inst{23} = 1; // U = 1
3421 let Inst{21} = 0; // W = 0
3422 let Inst{22} = 1; // D = 1
3423 let Inst{20} = load;
3427 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3428 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3429 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3430 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3432 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3433 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3434 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3435 [/* For disassembly only; pattern left blank */]> {
3440 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3441 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3442 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3443 [/* For disassembly only; pattern left blank */]> {
3444 let Inst{31-28} = 0b1111;
3449 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3450 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3451 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3452 [/* For disassembly only; pattern left blank */]> {
3457 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3458 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3459 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3460 [/* For disassembly only; pattern left blank */]> {
3461 let Inst{31-28} = 0b1111;
3466 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3467 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3468 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3469 [/* For disassembly only; pattern left blank */]> {
3470 let Inst{23-20} = 0b0100;
3473 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3474 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3475 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3476 [/* For disassembly only; pattern left blank */]> {
3477 let Inst{31-28} = 0b1111;
3478 let Inst{23-20} = 0b0100;
3481 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3482 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3483 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3484 [/* For disassembly only; pattern left blank */]> {
3485 let Inst{23-20} = 0b0101;
3488 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3489 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3490 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3491 [/* For disassembly only; pattern left blank */]> {
3492 let Inst{31-28} = 0b1111;
3493 let Inst{23-20} = 0b0101;
3496 //===----------------------------------------------------------------------===//
3497 // Move between special register and ARM core register -- for disassembly only
3500 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3501 [/* For disassembly only; pattern left blank */]> {
3502 let Inst{23-20} = 0b0000;
3503 let Inst{7-4} = 0b0000;
3506 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3507 [/* For disassembly only; pattern left blank */]> {
3508 let Inst{23-20} = 0b0100;
3509 let Inst{7-4} = 0b0000;
3512 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3513 "msr", "\tcpsr$mask, $src",
3514 [/* For disassembly only; pattern left blank */]> {
3515 let Inst{23-20} = 0b0010;
3516 let Inst{7-4} = 0b0000;
3519 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3520 "msr", "\tcpsr$mask, $a",
3521 [/* For disassembly only; pattern left blank */]> {
3522 let Inst{23-20} = 0b0010;
3523 let Inst{7-4} = 0b0000;
3526 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3527 "msr", "\tspsr$mask, $src",
3528 [/* For disassembly only; pattern left blank */]> {
3529 let Inst{23-20} = 0b0110;
3530 let Inst{7-4} = 0b0000;
3533 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3534 "msr", "\tspsr$mask, $a",
3535 [/* For disassembly only; pattern left blank */]> {
3536 let Inst{23-20} = 0b0110;
3537 let Inst{7-4} = 0b0000;