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, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
74 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
75 [SDNPHasChain, SDNPOutFlag]>;
76 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
77 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
79 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
82 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
89 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
90 [SDNPHasChain, SDNPOptInFlag]>;
92 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
94 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
97 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
100 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
102 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
105 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
108 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
111 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
112 [SDNPOutFlag, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
120 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
121 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
122 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
123 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
124 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
126 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
129 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
131 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
133 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
134 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
136 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
138 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
139 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
142 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
144 //===----------------------------------------------------------------------===//
145 // ARM Instruction Predicate Definitions.
147 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
148 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
149 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
150 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
151 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
152 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
153 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
154 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
155 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
156 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
157 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
158 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
159 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
160 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
162 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
164 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
166 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
167 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
168 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
169 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
170 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
171 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
172 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
173 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
175 // FIXME: Eventually this will be just "hasV6T2Ops".
176 def UseMovt : Predicate<"Subtarget->useMovt()">;
177 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
178 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
180 //===----------------------------------------------------------------------===//
181 // ARM Flag Definitions.
183 class RegConstraint<string C> {
184 string Constraints = C;
187 //===----------------------------------------------------------------------===//
188 // ARM specific transformation functions and pattern fragments.
191 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
192 // so_imm_neg def below.
193 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
194 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
197 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
198 // so_imm_not def below.
199 def so_imm_not_XFORM : SDNodeXForm<imm, [{
200 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
203 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
204 def imm1_15 : PatLeaf<(i32 imm), [{
205 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
208 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
209 def imm16_31 : PatLeaf<(i32 imm), [{
210 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
215 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
216 }], so_imm_neg_XFORM>;
220 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
221 }], so_imm_not_XFORM>;
223 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
224 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
225 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
228 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
230 def bf_inv_mask_imm : Operand<i32>,
232 return ARM::isBitFieldInvertedMask(N->getZExtValue());
234 string EncoderMethod = "getBitfieldInvertedMaskOpValue";
235 let PrintMethod = "printBitfieldInvMaskImmOperand";
238 /// Split a 32-bit immediate into two 16 bit parts.
239 def hi16 : SDNodeXForm<imm, [{
240 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
243 def lo16AllZero : PatLeaf<(i32 imm), [{
244 // Returns true if all low 16-bits are 0.
245 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
248 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
250 def imm0_65535 : PatLeaf<(i32 imm), [{
251 return (uint32_t)N->getZExtValue() < 65536;
254 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
255 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
257 /// adde and sube predicates - True based on whether the carry flag output
258 /// will be needed or not.
259 def adde_dead_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
261 [{return !N->hasAnyUseOfValue(1);}]>;
262 def sube_dead_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
264 [{return !N->hasAnyUseOfValue(1);}]>;
265 def adde_live_carry :
266 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
267 [{return N->hasAnyUseOfValue(1);}]>;
268 def sube_live_carry :
269 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
270 [{return N->hasAnyUseOfValue(1);}]>;
272 //===----------------------------------------------------------------------===//
273 // Operand Definitions.
277 def brtarget : Operand<OtherVT> {
278 string EncoderMethod = "getBranchTargetOpValue";
282 def bltarget : Operand<i32> {
283 // Encoded the same as branch targets.
284 string EncoderMethod = "getBranchTargetOpValue";
287 // A list of registers separated by comma. Used by load/store multiple.
288 def reglist : Operand<i32> {
289 string EncoderMethod = "getRegisterListOpValue";
290 let PrintMethod = "printRegisterList";
293 def RegListAsmOperand : AsmOperandClass {
294 let Name = "RegList";
295 let SuperClasses = [];
298 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
299 def cpinst_operand : Operand<i32> {
300 let PrintMethod = "printCPInstOperand";
303 def jtblock_operand : Operand<i32> {
304 let PrintMethod = "printJTBlockOperand";
306 def jt2block_operand : Operand<i32> {
307 let PrintMethod = "printJT2BlockOperand";
311 def pclabel : Operand<i32> {
312 let PrintMethod = "printPCLabel";
315 def neon_vcvt_imm32 : Operand<i32> {
316 string EncoderMethod = "getNEONVcvtImm32OpValue";
319 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
320 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
321 int32_t v = (int32_t)N->getZExtValue();
322 return v == 8 || v == 16 || v == 24; }]> {
323 string EncoderMethod = "getRotImmOpValue";
326 // shift_imm: An integer that encodes a shift amount and the type of shift
327 // (currently either asr or lsl) using the same encoding used for the
328 // immediates in so_reg operands.
329 def shift_imm : Operand<i32> {
330 let PrintMethod = "printShiftImmOperand";
333 // shifter_operand operands: so_reg and so_imm.
334 def so_reg : Operand<i32>, // reg reg imm
335 ComplexPattern<i32, 3, "SelectShifterOperandReg",
336 [shl,srl,sra,rotr]> {
337 string EncoderMethod = "getSORegOpValue";
338 let PrintMethod = "printSORegOperand";
339 let MIOperandInfo = (ops GPR, GPR, i32imm);
341 def shift_so_reg : Operand<i32>, // reg reg imm
342 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
343 [shl,srl,sra,rotr]> {
344 string EncoderMethod = "getSORegOpValue";
345 let PrintMethod = "printSORegOperand";
346 let MIOperandInfo = (ops GPR, GPR, i32imm);
349 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
350 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
351 // represented in the imm field in the same 12-bit form that they are encoded
352 // into so_imm instructions: the 8-bit immediate is the least significant bits
353 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
354 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
355 string EncoderMethod = "getSOImmOpValue";
356 let PrintMethod = "printSOImmOperand";
359 // Break so_imm's up into two pieces. This handles immediates with up to 16
360 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
361 // get the first/second pieces.
362 def so_imm2part : Operand<i32>,
364 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
366 let PrintMethod = "printSOImm2PartOperand";
369 def so_imm2part_1 : SDNodeXForm<imm, [{
370 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
371 return CurDAG->getTargetConstant(V, MVT::i32);
374 def so_imm2part_2 : SDNodeXForm<imm, [{
375 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
376 return CurDAG->getTargetConstant(V, MVT::i32);
379 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
380 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
382 let PrintMethod = "printSOImm2PartOperand";
385 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
386 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
387 return CurDAG->getTargetConstant(V, MVT::i32);
390 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
391 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
392 return CurDAG->getTargetConstant(V, MVT::i32);
395 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
396 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
397 return (int32_t)N->getZExtValue() < 32;
400 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
401 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
402 return (int32_t)N->getZExtValue() < 32;
404 string EncoderMethod = "getImmMinusOneOpValue";
407 // Define ARM specific addressing modes.
410 // addrmode_imm12 := reg +/- imm12
412 def addrmode_imm12 : Operand<i32>,
413 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
414 // 12-bit immediate operand. Note that instructions using this encode
415 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
416 // immediate values are as normal.
418 string EncoderMethod = "getAddrModeImm12OpValue";
419 let PrintMethod = "printAddrModeImm12Operand";
420 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
422 // ldst_so_reg := reg +/- reg shop imm
424 def ldst_so_reg : Operand<i32>,
425 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
426 string EncoderMethod = "getLdStSORegOpValue";
427 // FIXME: Simplify the printer
428 let PrintMethod = "printAddrMode2Operand";
429 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
432 // addrmode2 := reg +/- imm12
433 // := reg +/- reg shop imm
435 def addrmode2 : Operand<i32>,
436 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
437 let PrintMethod = "printAddrMode2Operand";
438 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
441 def am2offset : Operand<i32>,
442 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
443 [], [SDNPWantRoot]> {
444 let PrintMethod = "printAddrMode2OffsetOperand";
445 let MIOperandInfo = (ops GPR, i32imm);
448 // addrmode3 := reg +/- reg
449 // addrmode3 := reg +/- imm8
451 def addrmode3 : Operand<i32>,
452 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
453 string EncoderMethod = "getAddrMode3OpValue";
454 let PrintMethod = "printAddrMode3Operand";
455 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
458 def am3offset : Operand<i32>,
459 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
460 [], [SDNPWantRoot]> {
461 string EncoderMethod = "getAddrMode3OffsetOpValue";
462 let PrintMethod = "printAddrMode3OffsetOperand";
463 let MIOperandInfo = (ops GPR, i32imm);
466 // ldstm_mode := {ia, ib, da, db}
468 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
469 string EncoderMethod = "getLdStmModeOpValue";
470 let PrintMethod = "printLdStmModeOperand";
473 def MemMode5AsmOperand : AsmOperandClass {
474 let Name = "MemMode5";
475 let SuperClasses = [];
478 // addrmode5 := reg +/- imm8*4
480 def addrmode5 : Operand<i32>,
481 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
482 let PrintMethod = "printAddrMode5Operand";
483 let MIOperandInfo = (ops GPR:$base, i32imm);
484 let ParserMatchClass = MemMode5AsmOperand;
485 string EncoderMethod = "getAddrMode5OpValue";
488 // addrmode6 := reg with optional writeback
490 def addrmode6 : Operand<i32>,
491 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
492 let PrintMethod = "printAddrMode6Operand";
493 let MIOperandInfo = (ops GPR:$addr, i32imm);
494 string EncoderMethod = "getAddrMode6AddressOpValue";
497 def am6offset : Operand<i32> {
498 let PrintMethod = "printAddrMode6OffsetOperand";
499 let MIOperandInfo = (ops GPR);
500 string EncoderMethod = "getAddrMode6OffsetOpValue";
503 // addrmodepc := pc + reg
505 def addrmodepc : Operand<i32>,
506 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
507 let PrintMethod = "printAddrModePCOperand";
508 let MIOperandInfo = (ops GPR, i32imm);
511 def nohash_imm : Operand<i32> {
512 let PrintMethod = "printNoHashImmediate";
515 //===----------------------------------------------------------------------===//
517 include "ARMInstrFormats.td"
519 //===----------------------------------------------------------------------===//
520 // Multiclass helpers...
523 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
524 /// binop that produces a value.
525 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
526 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
527 PatFrag opnode, bit Commutable = 0> {
528 // The register-immediate version is re-materializable. This is useful
529 // in particular for taking the address of a local.
530 let isReMaterializable = 1 in {
531 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
532 iii, opc, "\t$Rd, $Rn, $imm",
533 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
538 let Inst{19-16} = Rn;
539 let Inst{15-12} = Rd;
540 let Inst{11-0} = imm;
543 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
544 iir, opc, "\t$Rd, $Rn, $Rm",
545 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
550 let isCommutable = Commutable;
551 let Inst{19-16} = Rn;
552 let Inst{15-12} = Rd;
553 let Inst{11-4} = 0b00000000;
556 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
557 iis, opc, "\t$Rd, $Rn, $shift",
558 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
563 let Inst{19-16} = Rn;
564 let Inst{15-12} = Rd;
565 let Inst{11-0} = shift;
569 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
570 /// instruction modifies the CPSR register.
571 let Defs = [CPSR] in {
572 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
573 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
574 PatFrag opnode, bit Commutable = 0> {
575 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
576 iii, opc, "\t$Rd, $Rn, $imm",
577 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
583 let Inst{19-16} = Rn;
584 let Inst{15-12} = Rd;
585 let Inst{11-0} = imm;
587 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
588 iir, opc, "\t$Rd, $Rn, $Rm",
589 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
593 let isCommutable = Commutable;
596 let Inst{19-16} = Rn;
597 let Inst{15-12} = Rd;
598 let Inst{11-4} = 0b00000000;
601 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
602 iis, opc, "\t$Rd, $Rn, $shift",
603 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
609 let Inst{19-16} = Rn;
610 let Inst{15-12} = Rd;
611 let Inst{11-0} = shift;
616 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
617 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
618 /// a explicit result, only implicitly set CPSR.
619 let isCompare = 1, Defs = [CPSR] in {
620 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
621 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
622 PatFrag opnode, bit Commutable = 0> {
623 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
625 [(opnode GPR:$Rn, so_imm:$imm)]> {
630 let Inst{19-16} = Rn;
631 let Inst{15-12} = 0b0000;
632 let Inst{11-0} = imm;
634 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
636 [(opnode GPR:$Rn, GPR:$Rm)]> {
639 let isCommutable = Commutable;
642 let Inst{19-16} = Rn;
643 let Inst{15-12} = 0b0000;
644 let Inst{11-4} = 0b00000000;
647 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
648 opc, "\t$Rn, $shift",
649 [(opnode GPR:$Rn, so_reg:$shift)]> {
654 let Inst{19-16} = Rn;
655 let Inst{15-12} = 0b0000;
656 let Inst{11-0} = shift;
661 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
662 /// register and one whose operand is a register rotated by 8/16/24.
663 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
664 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
665 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
666 IIC_iEXTr, opc, "\t$Rd, $Rm",
667 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
668 Requires<[IsARM, HasV6]> {
671 let Inst{19-16} = 0b1111;
672 let Inst{15-12} = Rd;
673 let Inst{11-10} = 0b00;
676 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
677 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
678 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
679 Requires<[IsARM, HasV6]> {
683 let Inst{19-16} = 0b1111;
684 let Inst{15-12} = Rd;
685 let Inst{11-10} = rot;
690 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
691 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
692 IIC_iEXTr, opc, "\t$Rd, $Rm",
693 [/* For disassembly only; pattern left blank */]>,
694 Requires<[IsARM, HasV6]> {
695 let Inst{19-16} = 0b1111;
696 let Inst{11-10} = 0b00;
698 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
699 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
700 [/* For disassembly only; pattern left blank */]>,
701 Requires<[IsARM, HasV6]> {
703 let Inst{19-16} = 0b1111;
704 let Inst{11-10} = rot;
708 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
709 /// register and one whose operand is a register rotated by 8/16/24.
710 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
711 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
712 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
713 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
714 Requires<[IsARM, HasV6]> {
715 let Inst{11-10} = 0b00;
717 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
719 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
720 [(set GPR:$Rd, (opnode GPR:$Rn,
721 (rotr GPR:$Rm, rot_imm:$rot)))]>,
722 Requires<[IsARM, HasV6]> {
725 let Inst{19-16} = Rn;
726 let Inst{11-10} = rot;
730 // For disassembly only.
731 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
732 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
733 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
734 [/* For disassembly only; pattern left blank */]>,
735 Requires<[IsARM, HasV6]> {
736 let Inst{11-10} = 0b00;
738 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
740 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
741 [/* For disassembly only; pattern left blank */]>,
742 Requires<[IsARM, HasV6]> {
745 let Inst{19-16} = Rn;
746 let Inst{11-10} = rot;
750 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
751 let Uses = [CPSR] in {
752 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
753 bit Commutable = 0> {
754 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
755 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
756 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
762 let Inst{15-12} = Rd;
763 let Inst{19-16} = Rn;
764 let Inst{11-0} = imm;
766 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
767 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
768 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
773 let Inst{11-4} = 0b00000000;
775 let isCommutable = Commutable;
777 let Inst{15-12} = Rd;
778 let Inst{19-16} = Rn;
780 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
781 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
782 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
788 let Inst{11-0} = shift;
789 let Inst{15-12} = Rd;
790 let Inst{19-16} = Rn;
793 // Carry setting variants
794 let Defs = [CPSR] in {
795 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
796 bit Commutable = 0> {
797 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
798 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
799 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
804 let Inst{15-12} = Rd;
805 let Inst{19-16} = Rn;
806 let Inst{11-0} = imm;
810 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
811 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
812 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
817 let Inst{11-4} = 0b00000000;
818 let isCommutable = Commutable;
820 let Inst{15-12} = Rd;
821 let Inst{19-16} = Rn;
825 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
826 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
827 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
832 let Inst{11-0} = shift;
833 let Inst{15-12} = Rd;
834 let Inst{19-16} = Rn;
842 let canFoldAsLoad = 1, isReMaterializable = 1 in {
843 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
844 InstrItinClass iir, PatFrag opnode> {
845 // Note: We use the complex addrmode_imm12 rather than just an input
846 // GPR and a constrained immediate so that we can use this to match
847 // frame index references and avoid matching constant pool references.
848 def i12 : AIldst1<0b010, opc22, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
849 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
850 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
853 let Inst{23} = addr{12}; // U (add = ('U' == 1))
854 let Inst{19-16} = addr{16-13}; // Rn
855 let Inst{15-12} = Rt;
856 let Inst{11-0} = addr{11-0}; // imm12
858 def rs : AIldst1<0b011, opc22, 1, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
859 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
860 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
863 let Inst{23} = shift{12}; // U (add = ('U' == 1))
864 let Inst{19-16} = shift{16-13}; // Rn
865 let Inst{15-12} = Rt;
866 let Inst{11-0} = shift{11-0};
871 multiclass AI_str1<bit opc22, string opc, InstrItinClass iii,
872 InstrItinClass iir, PatFrag opnode> {
873 // Note: We use the complex addrmode_imm12 rather than just an input
874 // GPR and a constrained immediate so that we can use this to match
875 // frame index references and avoid matching constant pool references.
876 def i12 : AIldst1<0b010, opc22, 0, (outs),
877 (ins GPR:$Rt, addrmode_imm12:$addr),
878 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
879 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
882 let Inst{23} = addr{12}; // U (add = ('U' == 1))
883 let Inst{19-16} = addr{16-13}; // Rn
884 let Inst{15-12} = Rt;
885 let Inst{11-0} = addr{11-0}; // imm12
887 def rs : AIldst1<0b011, opc22, 0, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
888 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
889 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
892 let Inst{23} = shift{12}; // U (add = ('U' == 1))
893 let Inst{19-16} = shift{16-13}; // Rn
894 let Inst{15-12} = Rt;
895 let Inst{11-0} = shift{11-0};
898 //===----------------------------------------------------------------------===//
900 //===----------------------------------------------------------------------===//
902 //===----------------------------------------------------------------------===//
903 // Miscellaneous Instructions.
906 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
907 /// the function. The first operand is the ID# for this instruction, the second
908 /// is the index into the MachineConstantPool that this is, the third is the
909 /// size in bytes of this constant pool entry.
910 let neverHasSideEffects = 1, isNotDuplicable = 1 in
911 def CONSTPOOL_ENTRY :
912 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
913 i32imm:$size), NoItinerary, "", []>;
915 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
916 // from removing one half of the matched pairs. That breaks PEI, which assumes
917 // these will always be in pairs, and asserts if it finds otherwise. Better way?
918 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
920 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
921 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
923 def ADJCALLSTACKDOWN :
924 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
925 [(ARMcallseq_start timm:$amt)]>;
928 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
929 [/* For disassembly only; pattern left blank */]>,
930 Requires<[IsARM, HasV6T2]> {
931 let Inst{27-16} = 0b001100100000;
932 let Inst{15-8} = 0b11110000;
933 let Inst{7-0} = 0b00000000;
936 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
937 [/* For disassembly only; pattern left blank */]>,
938 Requires<[IsARM, HasV6T2]> {
939 let Inst{27-16} = 0b001100100000;
940 let Inst{15-8} = 0b11110000;
941 let Inst{7-0} = 0b00000001;
944 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
945 [/* For disassembly only; pattern left blank */]>,
946 Requires<[IsARM, HasV6T2]> {
947 let Inst{27-16} = 0b001100100000;
948 let Inst{15-8} = 0b11110000;
949 let Inst{7-0} = 0b00000010;
952 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
953 [/* For disassembly only; pattern left blank */]>,
954 Requires<[IsARM, HasV6T2]> {
955 let Inst{27-16} = 0b001100100000;
956 let Inst{15-8} = 0b11110000;
957 let Inst{7-0} = 0b00000011;
960 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
962 [/* For disassembly only; pattern left blank */]>,
963 Requires<[IsARM, HasV6]> {
968 let Inst{15-12} = Rd;
969 let Inst{19-16} = Rn;
970 let Inst{27-20} = 0b01101000;
971 let Inst{7-4} = 0b1011;
972 let Inst{11-8} = 0b1111;
975 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
976 [/* For disassembly only; pattern left blank */]>,
977 Requires<[IsARM, HasV6T2]> {
978 let Inst{27-16} = 0b001100100000;
979 let Inst{15-8} = 0b11110000;
980 let Inst{7-0} = 0b00000100;
983 // The i32imm operand $val can be used by a debugger to store more information
984 // about the breakpoint.
985 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
986 [/* For disassembly only; pattern left blank */]>,
989 let Inst{3-0} = val{3-0};
990 let Inst{19-8} = val{15-4};
991 let Inst{27-20} = 0b00010010;
992 let Inst{7-4} = 0b0111;
995 // Change Processor State is a system instruction -- for disassembly only.
996 // The singleton $opt operand contains the following information:
997 // opt{4-0} = mode from Inst{4-0}
998 // opt{5} = changemode from Inst{17}
999 // opt{8-6} = AIF from Inst{8-6}
1000 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1001 // FIXME: Integrated assembler will need these split out.
1002 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1003 [/* For disassembly only; pattern left blank */]>,
1005 let Inst{31-28} = 0b1111;
1006 let Inst{27-20} = 0b00010000;
1011 // Preload signals the memory system of possible future data/instruction access.
1012 // These are for disassembly only.
1013 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1015 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1016 !strconcat(opc, "\t$addr"),
1017 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1020 let Inst{31-26} = 0b111101;
1021 let Inst{25} = 0; // 0 for immediate form
1022 let Inst{24} = data;
1023 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1024 let Inst{22} = read;
1025 let Inst{21-20} = 0b01;
1026 let Inst{19-16} = addr{16-13}; // Rn
1027 let Inst{15-12} = Rt;
1028 let Inst{11-0} = addr{11-0}; // imm12
1031 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1032 !strconcat(opc, "\t$shift"),
1033 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1036 let Inst{31-26} = 0b111101;
1037 let Inst{25} = 1; // 1 for register form
1038 let Inst{24} = data;
1039 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1040 let Inst{22} = read;
1041 let Inst{21-20} = 0b01;
1042 let Inst{19-16} = shift{16-13}; // Rn
1043 let Inst{11-0} = shift{11-0};
1047 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1048 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1049 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1051 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1053 [/* For disassembly only; pattern left blank */]>,
1056 let Inst{31-10} = 0b1111000100000001000000;
1061 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1062 [/* For disassembly only; pattern left blank */]>,
1063 Requires<[IsARM, HasV7]> {
1065 let Inst{27-4} = 0b001100100000111100001111;
1066 let Inst{3-0} = opt;
1069 // A5.4 Permanently UNDEFINED instructions.
1070 let isBarrier = 1, isTerminator = 1 in
1071 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1074 let Inst{27-25} = 0b011;
1075 let Inst{24-20} = 0b11111;
1076 let Inst{7-5} = 0b111;
1080 // Address computation and loads and stores in PIC mode.
1081 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1082 // classes (AXI1, et.al.) and so have encoding information and such,
1083 // which is suboptimal. Once the rest of the code emitter (including
1084 // JIT) is MC-ized we should look at refactoring these into true
1085 // pseudos. As is, the encoding information ends up being ignored,
1086 // as these instructions are lowered to individual MC-insts.
1087 let isNotDuplicable = 1 in {
1088 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1089 Pseudo, IIC_iALUr, "",
1090 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1092 let AddedComplexity = 10 in {
1093 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1094 Pseudo, IIC_iLoad_r, "",
1095 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1097 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1098 Pseudo, IIC_iLoad_bh_r, "",
1099 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1101 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1102 Pseudo, IIC_iLoad_bh_r, "",
1103 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1105 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1106 Pseudo, IIC_iLoad_bh_r, "",
1107 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1109 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1110 Pseudo, IIC_iLoad_bh_r, "",
1111 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1113 let AddedComplexity = 10 in {
1114 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1115 Pseudo, IIC_iStore_r, "",
1116 [(store GPR:$src, addrmodepc:$addr)]>;
1118 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1119 Pseudo, IIC_iStore_bh_r, "",
1120 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1122 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1123 Pseudo, IIC_iStore_bh_r, "",
1124 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1126 } // isNotDuplicable = 1
1129 // LEApcrel - Load a pc-relative address into a register without offending the
1131 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1132 // the ADR instruction. Is this the right way to handle that? They need
1133 // encoding information regardless.
1134 let neverHasSideEffects = 1 in {
1135 let isReMaterializable = 1 in
1136 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1138 "adr$p\t$dst, #$label", []>;
1140 } // neverHasSideEffects
1141 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1142 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1144 "adr$p\t$dst, #${label}_${id}", []> {
1148 //===----------------------------------------------------------------------===//
1149 // Control Flow Instructions.
1152 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1154 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1155 "bx", "\tlr", [(ARMretflag)]>,
1156 Requires<[IsARM, HasV4T]> {
1157 let Inst{27-0} = 0b0001001011111111111100011110;
1161 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1162 "mov", "\tpc, lr", [(ARMretflag)]>,
1163 Requires<[IsARM, NoV4T]> {
1164 let Inst{27-0} = 0b0001101000001111000000001110;
1168 // Indirect branches
1169 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1171 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1172 [(brind GPR:$dst)]>,
1173 Requires<[IsARM, HasV4T]> {
1175 let Inst{31-4} = 0b1110000100101111111111110001;
1176 let Inst{3-0} = dst;
1180 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1181 [(brind GPR:$dst)]>,
1182 Requires<[IsARM, NoV4T]> {
1184 let Inst{31-4} = 0b1110000110100000111100000000;
1185 let Inst{3-0} = dst;
1189 // FIXME: remove when we have a way to marking a MI with these properties.
1190 // FIXME: Should pc be an implicit operand like PICADD, etc?
1191 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1192 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1193 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$mode, pred:$p,
1194 reglist:$dsts, variable_ops),
1195 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1196 "ldm${mode}${p}\t$Rn!, $dsts",
1201 // On non-Darwin platforms R9 is callee-saved.
1203 Defs = [R0, R1, R2, R3, R12, LR,
1204 D0, D1, D2, D3, D4, D5, D6, D7,
1205 D16, D17, D18, D19, D20, D21, D22, D23,
1206 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1207 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1208 IIC_Br, "bl\t$func",
1209 [(ARMcall tglobaladdr:$func)]>,
1210 Requires<[IsARM, IsNotDarwin]> {
1211 let Inst{31-28} = 0b1110;
1213 let Inst{23-0} = func;
1216 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1217 IIC_Br, "bl", "\t$func",
1218 [(ARMcall_pred tglobaladdr:$func)]>,
1219 Requires<[IsARM, IsNotDarwin]> {
1221 let Inst{23-0} = func;
1225 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1226 IIC_Br, "blx\t$func",
1227 [(ARMcall GPR:$func)]>,
1228 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1230 let Inst{27-4} = 0b000100101111111111110011;
1231 let Inst{3-0} = func;
1235 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1236 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1237 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1238 [(ARMcall_nolink tGPR:$func)]>,
1239 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1241 let Inst{27-4} = 0b000100101111111111110001;
1242 let Inst{3-0} = func;
1246 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1247 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1248 [(ARMcall_nolink tGPR:$func)]>,
1249 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1251 let Inst{27-4} = 0b000110100000111100000000;
1252 let Inst{3-0} = func;
1256 // On Darwin R9 is call-clobbered.
1258 Defs = [R0, R1, R2, R3, R9, R12, LR,
1259 D0, D1, D2, D3, D4, D5, D6, D7,
1260 D16, D17, D18, D19, D20, D21, D22, D23,
1261 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1262 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1263 IIC_Br, "bl\t$func",
1264 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1265 let Inst{31-28} = 0b1110;
1267 let Inst{23-0} = func;
1270 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1271 IIC_Br, "bl", "\t$func",
1272 [(ARMcall_pred tglobaladdr:$func)]>,
1273 Requires<[IsARM, IsDarwin]> {
1275 let Inst{23-0} = func;
1279 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1280 IIC_Br, "blx\t$func",
1281 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1283 let Inst{27-4} = 0b000100101111111111110011;
1284 let Inst{3-0} = func;
1288 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1289 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1290 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1291 [(ARMcall_nolink tGPR:$func)]>,
1292 Requires<[IsARM, HasV4T, IsDarwin]> {
1294 let Inst{27-4} = 0b000100101111111111110001;
1295 let Inst{3-0} = func;
1299 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1300 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1301 [(ARMcall_nolink tGPR:$func)]>,
1302 Requires<[IsARM, NoV4T, IsDarwin]> {
1304 let Inst{27-4} = 0b000110100000111100000000;
1305 let Inst{3-0} = func;
1311 // FIXME: These should probably be xformed into the non-TC versions of the
1312 // instructions as part of MC lowering.
1313 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1315 let Defs = [R0, R1, R2, R3, R9, R12,
1316 D0, D1, D2, D3, D4, D5, D6, D7,
1317 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1318 D27, D28, D29, D30, D31, PC],
1320 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1322 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1324 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1326 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1328 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1329 IIC_Br, "b\t$dst @ TAILCALL",
1330 []>, Requires<[IsDarwin]>;
1332 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1333 IIC_Br, "b.w\t$dst @ TAILCALL",
1334 []>, Requires<[IsDarwin]>;
1336 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1337 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1338 []>, Requires<[IsDarwin]> {
1340 let Inst{31-4} = 0b1110000100101111111111110001;
1341 let Inst{3-0} = dst;
1345 // Non-Darwin versions (the difference is R9).
1346 let Defs = [R0, R1, R2, R3, R12,
1347 D0, D1, D2, D3, D4, D5, D6, D7,
1348 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1349 D27, D28, D29, D30, D31, PC],
1351 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1353 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1355 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1357 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1359 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1360 IIC_Br, "b\t$dst @ TAILCALL",
1361 []>, Requires<[IsARM, IsNotDarwin]>;
1363 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1364 IIC_Br, "b.w\t$dst @ TAILCALL",
1365 []>, Requires<[IsThumb, IsNotDarwin]>;
1367 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1368 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1369 []>, Requires<[IsNotDarwin]> {
1371 let Inst{31-4} = 0b1110000100101111111111110001;
1372 let Inst{3-0} = dst;
1377 let isBranch = 1, isTerminator = 1 in {
1378 // B is "predicable" since it can be xformed into a Bcc.
1379 let isBarrier = 1 in {
1380 let isPredicable = 1 in
1381 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1382 "b\t$target", [(br bb:$target)]> {
1384 let Inst{31-28} = 0b1110;
1385 let Inst{23-0} = target;
1388 let isNotDuplicable = 1, isIndirectBranch = 1,
1389 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1390 isCodeGenOnly = 1 in {
1391 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1392 IIC_Br, "mov\tpc, $target$jt",
1393 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1394 let Inst{11-4} = 0b00000000;
1395 let Inst{15-12} = 0b1111;
1396 let Inst{20} = 0; // S Bit
1397 let Inst{24-21} = 0b1101;
1398 let Inst{27-25} = 0b000;
1400 def BR_JTm : JTI<(outs),
1401 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1402 IIC_Br, "ldr\tpc, $target$jt",
1403 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1405 let Inst{15-12} = 0b1111;
1406 let Inst{20} = 1; // L bit
1407 let Inst{21} = 0; // W bit
1408 let Inst{22} = 0; // B bit
1409 let Inst{24} = 1; // P bit
1410 let Inst{27-25} = 0b011;
1412 def BR_JTadd : JTI<(outs),
1413 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1414 IIC_Br, "add\tpc, $target, $idx$jt",
1415 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1417 let Inst{15-12} = 0b1111;
1418 let Inst{20} = 0; // S bit
1419 let Inst{24-21} = 0b0100;
1420 let Inst{27-25} = 0b000;
1422 } // isNotDuplicable = 1, isIndirectBranch = 1
1425 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1426 // a two-value operand where a dag node expects two operands. :(
1427 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1428 IIC_Br, "b", "\t$target",
1429 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1431 let Inst{23-0} = target;
1435 // Branch and Exchange Jazelle -- for disassembly only
1436 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1437 [/* For disassembly only; pattern left blank */]> {
1438 let Inst{23-20} = 0b0010;
1439 //let Inst{19-8} = 0xfff;
1440 let Inst{7-4} = 0b0010;
1443 // Secure Monitor Call is a system instruction -- for disassembly only
1444 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1445 [/* For disassembly only; pattern left blank */]> {
1447 let Inst{23-4} = 0b01100000000000000111;
1448 let Inst{3-0} = opt;
1451 // Supervisor Call (Software Interrupt) -- for disassembly only
1453 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1454 [/* For disassembly only; pattern left blank */]> {
1456 let Inst{23-0} = svc;
1460 // Store Return State is a system instruction -- for disassembly only
1461 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1462 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1463 NoItinerary, "srs${amode}\tsp!, $mode",
1464 [/* For disassembly only; pattern left blank */]> {
1465 let Inst{31-28} = 0b1111;
1466 let Inst{22-20} = 0b110; // W = 1
1469 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1470 NoItinerary, "srs${amode}\tsp, $mode",
1471 [/* For disassembly only; pattern left blank */]> {
1472 let Inst{31-28} = 0b1111;
1473 let Inst{22-20} = 0b100; // W = 0
1476 // Return From Exception is a system instruction -- for disassembly only
1477 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1478 NoItinerary, "rfe${amode}\t$base!",
1479 [/* For disassembly only; pattern left blank */]> {
1480 let Inst{31-28} = 0b1111;
1481 let Inst{22-20} = 0b011; // W = 1
1484 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1485 NoItinerary, "rfe${amode}\t$base",
1486 [/* For disassembly only; pattern left blank */]> {
1487 let Inst{31-28} = 0b1111;
1488 let Inst{22-20} = 0b001; // W = 0
1490 } // isCodeGenOnly = 1
1492 //===----------------------------------------------------------------------===//
1493 // Load / store Instructions.
1499 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1500 UnOpFrag<(load node:$Src)>>;
1501 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1502 UnOpFrag<(zextloadi8 node:$Src)>>;
1503 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1504 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1505 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1506 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1508 // Special LDR for loads from non-pc-relative constpools.
1509 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1510 isReMaterializable = 1 in
1511 def LDRcp : AIldst1<0b010, 0, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1512 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1515 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1516 let Inst{19-16} = 0b1111;
1517 let Inst{15-12} = Rt;
1518 let Inst{11-0} = addr{11-0}; // imm12
1521 // Loads with zero extension
1522 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1523 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1524 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1526 // Loads with sign extension
1527 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1528 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1529 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1531 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1532 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1533 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1535 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1536 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1538 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1539 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1540 []>, Requires<[IsARM, HasV5TE]>;
1543 def LDR_PRE : AI2ldstpr<1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1544 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1545 "ldr", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1547 def LDR_POST : AI2ldstpo<1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1548 (ins GPR:$Rn, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1549 "ldr", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1551 def LDRH_PRE : AI3ldhpr<(outs GPR:$Rt, GPR:$Rn_wb),
1552 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1553 "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1555 def LDRH_POST : AI3ldhpo<(outs GPR:$Rt, GPR:$Rn_wb),
1556 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1557 "ldrh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1559 def LDRB_PRE : AI2ldstpr<1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1560 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1561 "ldrb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1563 def LDRB_POST : AI2ldstpo<1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1564 (ins GPR:$Rn,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1565 "ldrb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1567 def LDRSH_PRE : AI3ldshpr<(outs GPR:$Rt, GPR:$Rn_wb),
1568 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1569 "ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1571 def LDRSH_POST: AI3ldshpo<(outs GPR:$Rt, GPR:$Rn_wb),
1572 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1573 "ldrsh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1575 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$Rt, GPR:$Rn_wb),
1576 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1577 "ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1579 def LDRSB_POST: AI3ldsbpo<(outs GPR:$Rt, GPR:$Rn_wb),
1580 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1581 "ldrsb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1583 // For disassembly only
1584 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1585 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1586 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1587 Requires<[IsARM, HasV5TE]>;
1589 // For disassembly only
1590 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1591 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1592 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1593 Requires<[IsARM, HasV5TE]>;
1595 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1597 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1599 def LDRT : AI2ldstpo<1, 0, (outs GPR:$dst, GPR:$base_wb),
1600 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1601 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1602 let Inst{21} = 1; // overwrite
1605 def LDRBT : AI2ldstpo<1, 1, (outs GPR:$dst, GPR:$base_wb),
1606 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1607 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1608 let Inst{21} = 1; // overwrite
1611 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1612 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1613 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1614 let Inst{21} = 1; // overwrite
1617 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1618 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1619 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1620 let Inst{21} = 1; // overwrite
1623 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1624 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1625 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1626 let Inst{21} = 1; // overwrite
1631 // Stores with truncate
1632 def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1633 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1634 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1637 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1638 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1639 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1640 StMiscFrm, IIC_iStore_d_r,
1641 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1644 def STR_PRE : AI2ldstpr<0, 0, (outs GPR:$base_wb),
1645 (ins GPR:$src, GPR:$base, am2offset:$offset),
1646 StFrm, IIC_iStore_ru,
1647 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1649 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1651 def STR_POST : AI2ldstpo<0, 0, (outs GPR:$base_wb),
1652 (ins GPR:$src, GPR:$base,am2offset:$offset),
1653 StFrm, IIC_iStore_ru,
1654 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1656 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1658 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1659 (ins GPR:$src, GPR:$base,am3offset:$offset),
1660 StMiscFrm, IIC_iStore_ru,
1661 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1663 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1665 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1666 (ins GPR:$src, GPR:$base,am3offset:$offset),
1667 StMiscFrm, IIC_iStore_bh_ru,
1668 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1669 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1670 GPR:$base, am3offset:$offset))]>;
1672 def STRB_PRE : AI2ldstpr<0, 1, (outs GPR:$base_wb),
1673 (ins GPR:$src, GPR:$base,am2offset:$offset),
1674 StFrm, IIC_iStore_bh_ru,
1675 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1676 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1677 GPR:$base, am2offset:$offset))]>;
1679 def STRB_POST: AI2ldstpo<0, 1, (outs GPR:$base_wb),
1680 (ins GPR:$src, GPR:$base,am2offset:$offset),
1681 StFrm, IIC_iStore_bh_ru,
1682 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1683 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1684 GPR:$base, am2offset:$offset))]>;
1686 // For disassembly only
1687 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1688 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1689 StMiscFrm, IIC_iStore_d_ru,
1690 "strd", "\t$src1, $src2, [$base, $offset]!",
1691 "$base = $base_wb", []>;
1693 // For disassembly only
1694 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1695 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1696 StMiscFrm, IIC_iStore_d_ru,
1697 "strd", "\t$src1, $src2, [$base], $offset",
1698 "$base = $base_wb", []>;
1700 // STRT, STRBT, and STRHT are for disassembly only.
1702 def STRT : AI2ldstpo<0, 0, (outs GPR:$base_wb),
1703 (ins GPR:$src, GPR:$base,am2offset:$offset),
1704 StFrm, IIC_iStore_ru,
1705 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1706 [/* For disassembly only; pattern left blank */]> {
1707 let Inst{21} = 1; // overwrite
1710 def STRBT : AI2ldstpo<0, 1, (outs GPR:$base_wb),
1711 (ins GPR:$src, GPR:$base,am2offset:$offset),
1712 StFrm, IIC_iStore_bh_ru,
1713 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1714 [/* For disassembly only; pattern left blank */]> {
1715 let Inst{21} = 1; // overwrite
1718 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1719 (ins GPR:$src, GPR:$base,am3offset:$offset),
1720 StMiscFrm, IIC_iStore_bh_ru,
1721 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1722 [/* For disassembly only; pattern left blank */]> {
1723 let Inst{21} = 1; // overwrite
1726 //===----------------------------------------------------------------------===//
1727 // Load / store multiple Instructions.
1730 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1731 isCodeGenOnly = 1 in {
1732 def LDM : AXI4ld<(outs), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1733 reglist:$dsts, variable_ops),
1734 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1735 "ldm${amode}${p}\t$Rn, $dsts", "", []> {
1739 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1740 reglist:$dsts, variable_ops),
1741 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1742 "ldm${amode}${p}\t$Rn!, $dsts",
1746 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1748 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1749 isCodeGenOnly = 1 in {
1750 def STM : AXI4st<(outs), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1751 reglist:$srcs, variable_ops),
1752 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1753 "stm${amode}${p}\t$Rn, $srcs", "", []> {
1757 def STM_UPD : AXI4st<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1758 reglist:$srcs, variable_ops),
1759 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1760 "stm${amode}${p}\t$Rn!, $srcs",
1763 let Inst{31-28} = p;
1766 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1768 //===----------------------------------------------------------------------===//
1769 // Move Instructions.
1772 let neverHasSideEffects = 1 in
1773 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1774 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1778 let Inst{11-4} = 0b00000000;
1781 let Inst{15-12} = Rd;
1784 // A version for the smaller set of tail call registers.
1785 let neverHasSideEffects = 1 in
1786 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1787 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1791 let Inst{11-4} = 0b00000000;
1794 let Inst{15-12} = Rd;
1797 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1798 DPSoRegFrm, IIC_iMOVsr,
1799 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1803 let Inst{15-12} = Rd;
1804 let Inst{11-0} = src;
1808 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1809 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1810 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1814 let Inst{15-12} = Rd;
1815 let Inst{19-16} = 0b0000;
1816 let Inst{11-0} = imm;
1819 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1820 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1822 "movw", "\t$Rd, $imm",
1823 [(set GPR:$Rd, imm0_65535:$imm)]>,
1824 Requires<[IsARM, HasV6T2]>, UnaryDP {
1827 let Inst{15-12} = Rd;
1828 let Inst{11-0} = imm{11-0};
1829 let Inst{19-16} = imm{15-12};
1834 let Constraints = "$src = $Rd" in
1835 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1837 "movt", "\t$Rd, $imm",
1839 (or (and GPR:$src, 0xffff),
1840 lo16AllZero:$imm))]>, UnaryDP,
1841 Requires<[IsARM, HasV6T2]> {
1844 let Inst{15-12} = Rd;
1845 let Inst{11-0} = imm{11-0};
1846 let Inst{19-16} = imm{15-12};
1851 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1852 Requires<[IsARM, HasV6T2]>;
1854 let Uses = [CPSR] in
1855 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1856 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1859 // These aren't really mov instructions, but we have to define them this way
1860 // due to flag operands.
1862 let Defs = [CPSR] in {
1863 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1864 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1866 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1867 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1871 //===----------------------------------------------------------------------===//
1872 // Extend Instructions.
1877 defm SXTB : AI_ext_rrot<0b01101010,
1878 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1879 defm SXTH : AI_ext_rrot<0b01101011,
1880 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1882 defm SXTAB : AI_exta_rrot<0b01101010,
1883 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1884 defm SXTAH : AI_exta_rrot<0b01101011,
1885 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1887 // For disassembly only
1888 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1890 // For disassembly only
1891 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1895 let AddedComplexity = 16 in {
1896 defm UXTB : AI_ext_rrot<0b01101110,
1897 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1898 defm UXTH : AI_ext_rrot<0b01101111,
1899 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1900 defm UXTB16 : AI_ext_rrot<0b01101100,
1901 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1903 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1904 // The transformation should probably be done as a combiner action
1905 // instead so we can include a check for masking back in the upper
1906 // eight bits of the source into the lower eight bits of the result.
1907 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1908 // (UXTB16r_rot GPR:$Src, 24)>;
1909 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1910 (UXTB16r_rot GPR:$Src, 8)>;
1912 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1913 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1914 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1915 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1918 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1919 // For disassembly only
1920 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1923 def SBFX : I<(outs GPR:$Rd),
1924 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1925 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1926 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1927 Requires<[IsARM, HasV6T2]> {
1932 let Inst{27-21} = 0b0111101;
1933 let Inst{6-4} = 0b101;
1934 let Inst{20-16} = width;
1935 let Inst{15-12} = Rd;
1936 let Inst{11-7} = lsb;
1940 def UBFX : I<(outs GPR:$Rd),
1941 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1942 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1943 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1944 Requires<[IsARM, HasV6T2]> {
1949 let Inst{27-21} = 0b0111111;
1950 let Inst{6-4} = 0b101;
1951 let Inst{20-16} = width;
1952 let Inst{15-12} = Rd;
1953 let Inst{11-7} = lsb;
1957 //===----------------------------------------------------------------------===//
1958 // Arithmetic Instructions.
1961 defm ADD : AsI1_bin_irs<0b0100, "add",
1962 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1963 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1964 defm SUB : AsI1_bin_irs<0b0010, "sub",
1965 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1966 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1968 // ADD and SUB with 's' bit set.
1969 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1970 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1971 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1972 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1973 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1974 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1976 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1977 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1978 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1979 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1980 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1981 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1982 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1983 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1985 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1986 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1987 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1992 let Inst{15-12} = Rd;
1993 let Inst{19-16} = Rn;
1994 let Inst{11-0} = imm;
1997 // The reg/reg form is only defined for the disassembler; for codegen it is
1998 // equivalent to SUBrr.
1999 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2000 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2001 [/* For disassembly only; pattern left blank */]> {
2005 let Inst{11-4} = 0b00000000;
2008 let Inst{15-12} = Rd;
2009 let Inst{19-16} = Rn;
2012 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2013 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2014 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2019 let Inst{11-0} = shift;
2020 let Inst{15-12} = Rd;
2021 let Inst{19-16} = Rn;
2024 // RSB with 's' bit set.
2025 let Defs = [CPSR] in {
2026 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2027 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2028 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2034 let Inst{15-12} = Rd;
2035 let Inst{19-16} = Rn;
2036 let Inst{11-0} = imm;
2038 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2039 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2040 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2046 let Inst{11-0} = shift;
2047 let Inst{15-12} = Rd;
2048 let Inst{19-16} = Rn;
2052 let Uses = [CPSR] in {
2053 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2054 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2055 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2061 let Inst{15-12} = Rd;
2062 let Inst{19-16} = Rn;
2063 let Inst{11-0} = imm;
2065 // The reg/reg form is only defined for the disassembler; for codegen it is
2066 // equivalent to SUBrr.
2067 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2068 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2069 [/* For disassembly only; pattern left blank */]> {
2073 let Inst{11-4} = 0b00000000;
2076 let Inst{15-12} = Rd;
2077 let Inst{19-16} = Rn;
2079 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2080 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2081 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2087 let Inst{11-0} = shift;
2088 let Inst{15-12} = Rd;
2089 let Inst{19-16} = Rn;
2093 // FIXME: Allow these to be predicated.
2094 let Defs = [CPSR], Uses = [CPSR] in {
2095 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2096 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2097 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2104 let Inst{15-12} = Rd;
2105 let Inst{19-16} = Rn;
2106 let Inst{11-0} = imm;
2108 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2109 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2110 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2117 let Inst{11-0} = shift;
2118 let Inst{15-12} = Rd;
2119 let Inst{19-16} = Rn;
2123 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2124 // The assume-no-carry-in form uses the negation of the input since add/sub
2125 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2126 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2128 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2129 (SUBri GPR:$src, so_imm_neg:$imm)>;
2130 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2131 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2132 // The with-carry-in form matches bitwise not instead of the negation.
2133 // Effectively, the inverse interpretation of the carry flag already accounts
2134 // for part of the negation.
2135 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2136 (SBCri GPR:$src, so_imm_not:$imm)>;
2138 // Note: These are implemented in C++ code, because they have to generate
2139 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2141 // (mul X, 2^n+1) -> (add (X << n), X)
2142 // (mul X, 2^n-1) -> (rsb X, (X << n))
2144 // ARM Arithmetic Instruction -- for disassembly only
2145 // GPR:$dst = GPR:$a op GPR:$b
2146 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2147 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2148 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2149 opc, "\t$Rd, $Rn, $Rm", pattern> {
2153 let Inst{27-20} = op27_20;
2154 let Inst{11-4} = op11_4;
2155 let Inst{19-16} = Rn;
2156 let Inst{15-12} = Rd;
2160 // Saturating add/subtract -- for disassembly only
2162 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2163 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2164 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2165 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2166 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2167 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2169 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2170 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2171 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2172 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2173 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2174 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2175 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2176 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2177 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2178 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2179 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2180 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2182 // Signed/Unsigned add/subtract -- for disassembly only
2184 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2185 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2186 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2187 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2188 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2189 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2190 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2191 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2192 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2193 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2194 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2195 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2197 // Signed/Unsigned halving add/subtract -- for disassembly only
2199 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2200 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2201 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2202 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2203 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2204 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2205 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2206 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2207 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2208 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2209 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2210 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2212 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2214 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2215 MulFrm /* for convenience */, NoItinerary, "usad8",
2216 "\t$Rd, $Rn, $Rm", []>,
2217 Requires<[IsARM, HasV6]> {
2221 let Inst{27-20} = 0b01111000;
2222 let Inst{15-12} = 0b1111;
2223 let Inst{7-4} = 0b0001;
2224 let Inst{19-16} = Rd;
2225 let Inst{11-8} = Rm;
2228 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2229 MulFrm /* for convenience */, NoItinerary, "usada8",
2230 "\t$Rd, $Rn, $Rm, $Ra", []>,
2231 Requires<[IsARM, HasV6]> {
2236 let Inst{27-20} = 0b01111000;
2237 let Inst{7-4} = 0b0001;
2238 let Inst{19-16} = Rd;
2239 let Inst{15-12} = Ra;
2240 let Inst{11-8} = Rm;
2244 // Signed/Unsigned saturate -- for disassembly only
2246 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2247 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2248 [/* For disassembly only; pattern left blank */]> {
2253 let Inst{27-21} = 0b0110101;
2254 let Inst{5-4} = 0b01;
2255 let Inst{20-16} = sat_imm;
2256 let Inst{15-12} = Rd;
2257 let Inst{11-7} = sh{7-3};
2258 let Inst{6} = sh{0};
2262 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2263 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2264 [/* For disassembly only; pattern left blank */]> {
2268 let Inst{27-20} = 0b01101010;
2269 let Inst{11-4} = 0b11110011;
2270 let Inst{15-12} = Rd;
2271 let Inst{19-16} = sat_imm;
2275 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2276 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2277 [/* For disassembly only; pattern left blank */]> {
2282 let Inst{27-21} = 0b0110111;
2283 let Inst{5-4} = 0b01;
2284 let Inst{15-12} = Rd;
2285 let Inst{11-7} = sh{7-3};
2286 let Inst{6} = sh{0};
2287 let Inst{20-16} = sat_imm;
2291 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2292 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2293 [/* For disassembly only; pattern left blank */]> {
2297 let Inst{27-20} = 0b01101110;
2298 let Inst{11-4} = 0b11110011;
2299 let Inst{15-12} = Rd;
2300 let Inst{19-16} = sat_imm;
2304 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2305 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2307 //===----------------------------------------------------------------------===//
2308 // Bitwise Instructions.
2311 defm AND : AsI1_bin_irs<0b0000, "and",
2312 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2313 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2314 defm ORR : AsI1_bin_irs<0b1100, "orr",
2315 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2316 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2317 defm EOR : AsI1_bin_irs<0b0001, "eor",
2318 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2319 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2320 defm BIC : AsI1_bin_irs<0b1110, "bic",
2321 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2322 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2324 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2325 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2326 "bfc", "\t$Rd, $imm", "$src = $Rd",
2327 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2328 Requires<[IsARM, HasV6T2]> {
2331 let Inst{27-21} = 0b0111110;
2332 let Inst{6-0} = 0b0011111;
2333 let Inst{15-12} = Rd;
2334 let Inst{11-7} = imm{4-0}; // lsb
2335 let Inst{20-16} = imm{9-5}; // width
2338 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2339 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2340 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2341 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2342 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2343 bf_inv_mask_imm:$imm))]>,
2344 Requires<[IsARM, HasV6T2]> {
2348 let Inst{27-21} = 0b0111110;
2349 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2350 let Inst{15-12} = Rd;
2351 let Inst{11-7} = imm{4-0}; // lsb
2352 let Inst{20-16} = imm{9-5}; // width
2356 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2357 "mvn", "\t$Rd, $Rm",
2358 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2362 let Inst{19-16} = 0b0000;
2363 let Inst{11-4} = 0b00000000;
2364 let Inst{15-12} = Rd;
2367 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2368 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2369 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2373 let Inst{19-16} = 0b0000;
2374 let Inst{15-12} = Rd;
2375 let Inst{11-0} = shift;
2377 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2378 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2379 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2380 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2384 let Inst{19-16} = 0b0000;
2385 let Inst{15-12} = Rd;
2386 let Inst{11-0} = imm;
2389 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2390 (BICri GPR:$src, so_imm_not:$imm)>;
2392 //===----------------------------------------------------------------------===//
2393 // Multiply Instructions.
2395 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2396 string opc, string asm, list<dag> pattern>
2397 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2401 let Inst{19-16} = Rd;
2402 let Inst{11-8} = Rm;
2405 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2406 string opc, string asm, list<dag> pattern>
2407 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2412 let Inst{19-16} = RdHi;
2413 let Inst{15-12} = RdLo;
2414 let Inst{11-8} = Rm;
2418 let isCommutable = 1 in
2419 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2420 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2421 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2423 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2424 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2425 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2427 let Inst{15-12} = Ra;
2430 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2431 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2432 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2433 Requires<[IsARM, HasV6T2]> {
2437 let Inst{19-16} = Rd;
2438 let Inst{11-8} = Rm;
2442 // Extra precision multiplies with low / high results
2444 let neverHasSideEffects = 1 in {
2445 let isCommutable = 1 in {
2446 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2447 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2448 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2450 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2451 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2452 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2455 // Multiply + accumulate
2456 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2457 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2458 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2460 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2461 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2462 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2464 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2465 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2466 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2467 Requires<[IsARM, HasV6]> {
2472 let Inst{19-16} = RdLo;
2473 let Inst{15-12} = RdHi;
2474 let Inst{11-8} = Rm;
2477 } // neverHasSideEffects
2479 // Most significant word multiply
2480 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2481 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2482 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2483 Requires<[IsARM, HasV6]> {
2484 let Inst{15-12} = 0b1111;
2487 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2488 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2489 [/* For disassembly only; pattern left blank */]>,
2490 Requires<[IsARM, HasV6]> {
2491 let Inst{15-12} = 0b1111;
2494 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2495 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2496 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2497 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2498 Requires<[IsARM, HasV6]>;
2500 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2501 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2502 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2503 [/* For disassembly only; pattern left blank */]>,
2504 Requires<[IsARM, HasV6]>;
2506 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2507 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2508 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2509 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2510 Requires<[IsARM, HasV6]>;
2512 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2513 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2514 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2515 [/* For disassembly only; pattern left blank */]>,
2516 Requires<[IsARM, HasV6]>;
2518 multiclass AI_smul<string opc, PatFrag opnode> {
2519 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2520 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2521 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2522 (sext_inreg GPR:$Rm, i16)))]>,
2523 Requires<[IsARM, HasV5TE]>;
2525 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2526 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2527 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2528 (sra GPR:$Rm, (i32 16))))]>,
2529 Requires<[IsARM, HasV5TE]>;
2531 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2532 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2533 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2534 (sext_inreg GPR:$Rm, i16)))]>,
2535 Requires<[IsARM, HasV5TE]>;
2537 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2538 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2539 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2540 (sra GPR:$Rm, (i32 16))))]>,
2541 Requires<[IsARM, HasV5TE]>;
2543 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2544 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2545 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2546 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2547 Requires<[IsARM, HasV5TE]>;
2549 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2550 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2551 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2552 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2553 Requires<[IsARM, HasV5TE]>;
2557 multiclass AI_smla<string opc, PatFrag opnode> {
2558 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2559 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2560 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2561 [(set GPR:$Rd, (add GPR:$Ra,
2562 (opnode (sext_inreg GPR:$Rn, i16),
2563 (sext_inreg GPR:$Rm, i16))))]>,
2564 Requires<[IsARM, HasV5TE]>;
2566 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2567 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2568 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2569 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2570 (sra GPR:$Rm, (i32 16)))))]>,
2571 Requires<[IsARM, HasV5TE]>;
2573 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2574 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2575 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2576 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2577 (sext_inreg GPR:$Rm, i16))))]>,
2578 Requires<[IsARM, HasV5TE]>;
2580 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2581 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2582 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2583 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2584 (sra GPR:$Rm, (i32 16)))))]>,
2585 Requires<[IsARM, HasV5TE]>;
2587 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2588 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2589 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2590 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2591 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2592 Requires<[IsARM, HasV5TE]>;
2594 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2595 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2596 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2597 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2598 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2599 Requires<[IsARM, HasV5TE]>;
2602 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2603 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2605 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2606 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2607 (ins GPR:$Rn, GPR:$Rm),
2608 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2609 [/* For disassembly only; pattern left blank */]>,
2610 Requires<[IsARM, HasV5TE]>;
2612 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2613 (ins GPR:$Rn, GPR:$Rm),
2614 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2615 [/* For disassembly only; pattern left blank */]>,
2616 Requires<[IsARM, HasV5TE]>;
2618 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2619 (ins GPR:$Rn, GPR:$Rm),
2620 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2621 [/* For disassembly only; pattern left blank */]>,
2622 Requires<[IsARM, HasV5TE]>;
2624 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2625 (ins GPR:$Rn, GPR:$Rm),
2626 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2627 [/* For disassembly only; pattern left blank */]>,
2628 Requires<[IsARM, HasV5TE]>;
2630 // Helper class for AI_smld -- for disassembly only
2631 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2632 InstrItinClass itin, string opc, string asm>
2633 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2640 let Inst{21-20} = 0b00;
2641 let Inst{22} = long;
2642 let Inst{27-23} = 0b01110;
2643 let Inst{11-8} = Rm;
2646 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2647 InstrItinClass itin, string opc, string asm>
2648 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2650 let Inst{15-12} = 0b1111;
2651 let Inst{19-16} = Rd;
2653 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2654 InstrItinClass itin, string opc, string asm>
2655 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2657 let Inst{15-12} = Ra;
2659 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2660 InstrItinClass itin, string opc, string asm>
2661 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2664 let Inst{19-16} = RdHi;
2665 let Inst{15-12} = RdLo;
2668 multiclass AI_smld<bit sub, string opc> {
2670 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2671 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2673 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2674 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2676 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2677 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2678 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2680 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2681 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2682 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2686 defm SMLA : AI_smld<0, "smla">;
2687 defm SMLS : AI_smld<1, "smls">;
2689 multiclass AI_sdml<bit sub, string opc> {
2691 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2692 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2693 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2694 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2697 defm SMUA : AI_sdml<0, "smua">;
2698 defm SMUS : AI_sdml<1, "smus">;
2700 //===----------------------------------------------------------------------===//
2701 // Misc. Arithmetic Instructions.
2704 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2705 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2706 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2708 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2709 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2710 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2711 Requires<[IsARM, HasV6T2]>;
2713 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2714 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2715 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2717 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2718 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2720 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2721 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2722 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2723 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2724 Requires<[IsARM, HasV6]>;
2726 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2727 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2730 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2731 (shl GPR:$Rm, (i32 8))), i16))]>,
2732 Requires<[IsARM, HasV6]>;
2734 def lsl_shift_imm : SDNodeXForm<imm, [{
2735 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2736 return CurDAG->getTargetConstant(Sh, MVT::i32);
2739 def lsl_amt : PatLeaf<(i32 imm), [{
2740 return (N->getZExtValue() < 32);
2743 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2744 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2745 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2746 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2747 (and (shl GPR:$Rm, lsl_amt:$sh),
2749 Requires<[IsARM, HasV6]>;
2751 // Alternate cases for PKHBT where identities eliminate some nodes.
2752 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2753 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2754 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2755 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2757 def asr_shift_imm : SDNodeXForm<imm, [{
2758 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2759 return CurDAG->getTargetConstant(Sh, MVT::i32);
2762 def asr_amt : PatLeaf<(i32 imm), [{
2763 return (N->getZExtValue() <= 32);
2766 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2767 // will match the pattern below.
2768 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2769 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2770 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2771 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2772 (and (sra GPR:$Rm, asr_amt:$sh),
2774 Requires<[IsARM, HasV6]>;
2776 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2777 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2778 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2779 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2780 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2781 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2782 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2784 //===----------------------------------------------------------------------===//
2785 // Comparison Instructions...
2788 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2789 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2790 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2792 // FIXME: We have to be careful when using the CMN instruction and comparison
2793 // with 0. One would expect these two pieces of code should give identical
2809 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2810 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2811 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2812 // value of r0 and the carry bit (because the "carry bit" parameter to
2813 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2814 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2815 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2816 // parameter to AddWithCarry is defined as 0).
2818 // When x is 0 and unsigned:
2822 // ~x + 1 = 0x1 0000 0000
2823 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2825 // Therefore, we should disable CMN when comparing against zero, until we can
2826 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2827 // when it's a comparison which doesn't look at the 'carry' flag).
2829 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2831 // This is related to <rdar://problem/7569620>.
2833 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2834 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2836 // Note that TST/TEQ don't set all the same flags that CMP does!
2837 defm TST : AI1_cmp_irs<0b1000, "tst",
2838 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2839 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2840 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2841 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2842 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2844 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2845 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2846 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2847 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2848 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2849 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2851 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2852 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2854 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2855 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2857 // Pseudo i64 compares for some floating point compares.
2858 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2860 def BCCi64 : PseudoInst<(outs),
2861 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2863 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2865 def BCCZi64 : PseudoInst<(outs),
2866 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2867 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2868 } // usesCustomInserter
2871 // Conditional moves
2872 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2873 // a two-value operand where a dag node expects two operands. :(
2874 // FIXME: These should all be pseudo-instructions that get expanded to
2875 // the normal MOV instructions. That would fix the dependency on
2876 // special casing them in tblgen.
2877 let neverHasSideEffects = 1 in {
2878 let isAsCheapAsAMove = 1 in
2879 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2880 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2881 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2882 RegConstraint<"$false = $Rd">, UnaryDP {
2887 let Inst{15-12} = Rd;
2888 let Inst{11-4} = 0b00000000;
2892 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2893 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2894 "mov", "\t$Rd, $shift",
2895 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2896 RegConstraint<"$false = $Rd">, UnaryDP {
2902 let Inst{19-16} = Rn;
2903 let Inst{15-12} = Rd;
2904 let Inst{11-0} = shift;
2907 let isAsCheapAsAMove = 1 in
2908 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
2910 "movw", "\t$Rd, $imm",
2912 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
2918 let Inst{19-16} = imm{15-12};
2919 let Inst{15-12} = Rd;
2920 let Inst{11-0} = imm{11-0};
2923 let isAsCheapAsAMove = 1 in
2924 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
2925 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2926 "mov", "\t$Rd, $imm",
2927 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
2928 RegConstraint<"$false = $Rd">, UnaryDP {
2933 let Inst{19-16} = 0b0000;
2934 let Inst{15-12} = Rd;
2935 let Inst{11-0} = imm;
2938 let isAsCheapAsAMove = 1 in
2939 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
2940 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2941 "mvn", "\t$Rd, $imm",
2942 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
2943 RegConstraint<"$false = $Rd">, UnaryDP {
2948 let Inst{19-16} = 0b0000;
2949 let Inst{15-12} = Rd;
2950 let Inst{11-0} = imm;
2952 } // neverHasSideEffects
2954 //===----------------------------------------------------------------------===//
2955 // Atomic operations intrinsics
2958 def memb_opt : Operand<i32> {
2959 let PrintMethod = "printMemBOption";
2962 // memory barriers protect the atomic sequences
2963 let hasSideEffects = 1 in {
2964 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2965 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
2966 Requires<[IsARM, HasDB]> {
2968 let Inst{31-4} = 0xf57ff05;
2969 let Inst{3-0} = opt;
2972 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2973 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2974 [(ARMMemBarrierMCR GPR:$zero)]>,
2975 Requires<[IsARM, HasV6]> {
2976 // FIXME: add encoding
2980 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2982 [/* For disassembly only; pattern left blank */]>,
2983 Requires<[IsARM, HasDB]> {
2985 let Inst{31-4} = 0xf57ff04;
2986 let Inst{3-0} = opt;
2989 // ISB has only full system option -- for disassembly only
2990 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2991 Requires<[IsARM, HasDB]> {
2992 let Inst{31-4} = 0xf57ff06;
2993 let Inst{3-0} = 0b1111;
2996 let usesCustomInserter = 1 in {
2997 let Uses = [CPSR] in {
2998 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2999 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3000 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3001 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3002 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3003 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3004 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3005 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3006 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3007 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3008 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3009 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3010 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3011 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3012 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3013 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3014 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3015 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3016 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3017 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3018 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3019 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3020 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3021 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3022 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3023 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3024 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3025 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3026 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3027 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3028 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3029 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3030 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3031 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3032 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3033 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3034 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3035 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3036 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3037 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3038 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3039 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3040 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3041 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3042 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3043 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3044 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3045 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3046 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3047 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3048 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3049 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3050 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3051 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3053 def ATOMIC_SWAP_I8 : PseudoInst<
3054 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3055 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3056 def ATOMIC_SWAP_I16 : PseudoInst<
3057 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3058 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3059 def ATOMIC_SWAP_I32 : PseudoInst<
3060 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3061 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3063 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3064 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3065 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3066 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3067 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3068 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3069 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3070 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3071 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3075 let mayLoad = 1 in {
3076 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3077 "ldrexb", "\t$Rt, [$Rn]",
3079 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3080 "ldrexh", "\t$Rt, [$Rn]",
3082 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3083 "ldrex", "\t$Rt, [$Rn]",
3085 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3087 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3091 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3092 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3094 "strexb", "\t$Rd, $src, [$Rn]",
3096 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3098 "strexh", "\t$Rd, $Rt, [$Rn]",
3100 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3102 "strex", "\t$Rd, $Rt, [$Rn]",
3104 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3105 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3107 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3111 // Clear-Exclusive is for disassembly only.
3112 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3113 [/* For disassembly only; pattern left blank */]>,
3114 Requires<[IsARM, HasV7]> {
3115 let Inst{31-0} = 0b11110101011111111111000000011111;
3118 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3119 let mayLoad = 1 in {
3120 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3121 [/* For disassembly only; pattern left blank */]>;
3122 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3123 [/* For disassembly only; pattern left blank */]>;
3126 //===----------------------------------------------------------------------===//
3130 // __aeabi_read_tp preserves the registers r1-r3.
3131 // FIXME: This needs to be a pseudo of some sort so that we can get the
3132 // encoding right, complete with fixup for the aeabi_read_tp function.
3134 Defs = [R0, R12, LR, CPSR] in {
3135 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3136 "bl\t__aeabi_read_tp",
3137 [(set R0, ARMthread_pointer)]>;
3140 //===----------------------------------------------------------------------===//
3141 // SJLJ Exception handling intrinsics
3142 // eh_sjlj_setjmp() is an instruction sequence to store the return
3143 // address and save #0 in R0 for the non-longjmp case.
3144 // Since by its nature we may be coming from some other function to get
3145 // here, and we're using the stack frame for the containing function to
3146 // save/restore registers, we can't keep anything live in regs across
3147 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3148 // when we get here from a longjmp(). We force everthing out of registers
3149 // except for our own input by listing the relevant registers in Defs. By
3150 // doing so, we also cause the prologue/epilogue code to actively preserve
3151 // all of the callee-saved resgisters, which is exactly what we want.
3152 // A constant value is passed in $val, and we use the location as a scratch.
3154 // These are pseudo-instructions and are lowered to individual MC-insts, so
3155 // no encoding information is necessary.
3157 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3158 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3159 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3160 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3161 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3162 AddrModeNone, SizeSpecial, IndexModeNone,
3163 Pseudo, NoItinerary, "", "",
3164 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3165 Requires<[IsARM, HasVFP2]>;
3169 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3170 hasSideEffects = 1, isBarrier = 1 in {
3171 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3172 AddrModeNone, SizeSpecial, IndexModeNone,
3173 Pseudo, NoItinerary, "", "",
3174 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3175 Requires<[IsARM, NoVFP]>;
3178 // FIXME: Non-Darwin version(s)
3179 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3180 Defs = [ R7, LR, SP ] in {
3181 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3182 AddrModeNone, SizeSpecial, IndexModeNone,
3183 Pseudo, NoItinerary, "", "",
3184 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3185 Requires<[IsARM, IsDarwin]>;
3188 // eh.sjlj.dispatchsetup pseudo-instruction.
3189 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3190 // handled when the pseudo is expanded (which happens before any passes
3191 // that need the instruction size).
3192 let isBarrier = 1, hasSideEffects = 1 in
3193 def Int_eh_sjlj_dispatchsetup :
3194 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3195 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3196 Requires<[IsDarwin]>;
3198 //===----------------------------------------------------------------------===//
3199 // Non-Instruction Patterns
3202 // Large immediate handling.
3204 // Two piece so_imms.
3205 // FIXME: Remove this when we can do generalized remat.
3206 let isReMaterializable = 1 in
3207 def MOVi2pieces : PseudoInst<(outs GPR:$dst), (ins so_imm2part:$src),
3209 [(set GPR:$dst, (so_imm2part:$src))]>,
3210 Requires<[IsARM, NoV6T2]>;
3212 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3213 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3214 (so_imm2part_2 imm:$RHS))>;
3215 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3216 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3217 (so_imm2part_2 imm:$RHS))>;
3218 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3219 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3220 (so_imm2part_2 imm:$RHS))>;
3221 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3222 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3223 (so_neg_imm2part_2 imm:$RHS))>;
3225 // 32-bit immediate using movw + movt.
3226 // This is a single pseudo instruction, the benefit is that it can be remat'd
3227 // as a single unit instead of having to handle reg inputs.
3228 // FIXME: Remove this when we can do generalized remat.
3229 let isReMaterializable = 1 in
3230 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3231 [(set GPR:$dst, (i32 imm:$src))]>,
3232 Requires<[IsARM, HasV6T2]>;
3234 // ConstantPool, GlobalAddress, and JumpTable
3235 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3236 Requires<[IsARM, DontUseMovt]>;
3237 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3238 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3239 Requires<[IsARM, UseMovt]>;
3240 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3241 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3243 // TODO: add,sub,and, 3-instr forms?
3246 def : ARMPat<(ARMtcret tcGPR:$dst),
3247 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3249 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3250 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3252 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3253 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3255 def : ARMPat<(ARMtcret tcGPR:$dst),
3256 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3258 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3259 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3261 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3262 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3265 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3266 Requires<[IsARM, IsNotDarwin]>;
3267 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3268 Requires<[IsARM, IsDarwin]>;
3270 // zextload i1 -> zextload i8
3271 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3272 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3274 // extload -> zextload
3275 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3276 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3277 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3278 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3280 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3282 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3283 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3286 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3287 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3288 (SMULBB GPR:$a, GPR:$b)>;
3289 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3290 (SMULBB GPR:$a, GPR:$b)>;
3291 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3292 (sra GPR:$b, (i32 16))),
3293 (SMULBT GPR:$a, GPR:$b)>;
3294 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3295 (SMULBT GPR:$a, GPR:$b)>;
3296 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3297 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3298 (SMULTB GPR:$a, GPR:$b)>;
3299 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3300 (SMULTB GPR:$a, GPR:$b)>;
3301 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3303 (SMULWB GPR:$a, GPR:$b)>;
3304 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3305 (SMULWB GPR:$a, GPR:$b)>;
3307 def : ARMV5TEPat<(add GPR:$acc,
3308 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3309 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3310 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3311 def : ARMV5TEPat<(add GPR:$acc,
3312 (mul sext_16_node:$a, sext_16_node:$b)),
3313 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3314 def : ARMV5TEPat<(add GPR:$acc,
3315 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3316 (sra GPR:$b, (i32 16)))),
3317 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3318 def : ARMV5TEPat<(add GPR:$acc,
3319 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3320 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3321 def : ARMV5TEPat<(add GPR:$acc,
3322 (mul (sra GPR:$a, (i32 16)),
3323 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3324 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3325 def : ARMV5TEPat<(add GPR:$acc,
3326 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3327 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3328 def : ARMV5TEPat<(add GPR:$acc,
3329 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3331 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3332 def : ARMV5TEPat<(add GPR:$acc,
3333 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3334 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3336 //===----------------------------------------------------------------------===//
3340 include "ARMInstrThumb.td"
3342 //===----------------------------------------------------------------------===//
3346 include "ARMInstrThumb2.td"
3348 //===----------------------------------------------------------------------===//
3349 // Floating Point Support
3352 include "ARMInstrVFP.td"
3354 //===----------------------------------------------------------------------===//
3355 // Advanced SIMD (NEON) Support
3358 include "ARMInstrNEON.td"
3360 //===----------------------------------------------------------------------===//
3361 // Coprocessor Instructions. For disassembly only.
3364 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3365 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3366 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3367 [/* For disassembly only; pattern left blank */]> {
3371 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3372 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3373 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3374 [/* For disassembly only; pattern left blank */]> {
3375 let Inst{31-28} = 0b1111;
3379 class ACI<dag oops, dag iops, string opc, string asm>
3380 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3381 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3382 let Inst{27-25} = 0b110;
3385 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3387 def _OFFSET : ACI<(outs),
3388 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3389 opc, "\tp$cop, cr$CRd, $addr"> {
3390 let Inst{31-28} = op31_28;
3391 let Inst{24} = 1; // P = 1
3392 let Inst{21} = 0; // W = 0
3393 let Inst{22} = 0; // D = 0
3394 let Inst{20} = load;
3397 def _PRE : ACI<(outs),
3398 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3399 opc, "\tp$cop, cr$CRd, $addr!"> {
3400 let Inst{31-28} = op31_28;
3401 let Inst{24} = 1; // P = 1
3402 let Inst{21} = 1; // W = 1
3403 let Inst{22} = 0; // D = 0
3404 let Inst{20} = load;
3407 def _POST : ACI<(outs),
3408 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3409 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3410 let Inst{31-28} = op31_28;
3411 let Inst{24} = 0; // P = 0
3412 let Inst{21} = 1; // W = 1
3413 let Inst{22} = 0; // D = 0
3414 let Inst{20} = load;
3417 def _OPTION : ACI<(outs),
3418 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3419 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3420 let Inst{31-28} = op31_28;
3421 let Inst{24} = 0; // P = 0
3422 let Inst{23} = 1; // U = 1
3423 let Inst{21} = 0; // W = 0
3424 let Inst{22} = 0; // D = 0
3425 let Inst{20} = load;
3428 def L_OFFSET : ACI<(outs),
3429 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3430 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3431 let Inst{31-28} = op31_28;
3432 let Inst{24} = 1; // P = 1
3433 let Inst{21} = 0; // W = 0
3434 let Inst{22} = 1; // D = 1
3435 let Inst{20} = load;
3438 def L_PRE : ACI<(outs),
3439 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3440 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3441 let Inst{31-28} = op31_28;
3442 let Inst{24} = 1; // P = 1
3443 let Inst{21} = 1; // W = 1
3444 let Inst{22} = 1; // D = 1
3445 let Inst{20} = load;
3448 def L_POST : ACI<(outs),
3449 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3450 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3451 let Inst{31-28} = op31_28;
3452 let Inst{24} = 0; // P = 0
3453 let Inst{21} = 1; // W = 1
3454 let Inst{22} = 1; // D = 1
3455 let Inst{20} = load;
3458 def L_OPTION : ACI<(outs),
3459 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3460 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3461 let Inst{31-28} = op31_28;
3462 let Inst{24} = 0; // P = 0
3463 let Inst{23} = 1; // U = 1
3464 let Inst{21} = 0; // W = 0
3465 let Inst{22} = 1; // D = 1
3466 let Inst{20} = load;
3470 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3471 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3472 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3473 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3475 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3476 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3477 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3478 [/* For disassembly only; pattern left blank */]> {
3483 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3484 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3485 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3486 [/* For disassembly only; pattern left blank */]> {
3487 let Inst{31-28} = 0b1111;
3492 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3493 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3494 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3495 [/* For disassembly only; pattern left blank */]> {
3500 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3501 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3502 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3503 [/* For disassembly only; pattern left blank */]> {
3504 let Inst{31-28} = 0b1111;
3509 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3510 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3511 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3512 [/* For disassembly only; pattern left blank */]> {
3513 let Inst{23-20} = 0b0100;
3516 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3517 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3518 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3519 [/* For disassembly only; pattern left blank */]> {
3520 let Inst{31-28} = 0b1111;
3521 let Inst{23-20} = 0b0100;
3524 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3525 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3526 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3527 [/* For disassembly only; pattern left blank */]> {
3528 let Inst{23-20} = 0b0101;
3531 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3532 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3533 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3534 [/* For disassembly only; pattern left blank */]> {
3535 let Inst{31-28} = 0b1111;
3536 let Inst{23-20} = 0b0101;
3539 //===----------------------------------------------------------------------===//
3540 // Move between special register and ARM core register -- for disassembly only
3543 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3544 [/* For disassembly only; pattern left blank */]> {
3545 let Inst{23-20} = 0b0000;
3546 let Inst{7-4} = 0b0000;
3549 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3550 [/* For disassembly only; pattern left blank */]> {
3551 let Inst{23-20} = 0b0100;
3552 let Inst{7-4} = 0b0000;
3555 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3556 "msr", "\tcpsr$mask, $src",
3557 [/* For disassembly only; pattern left blank */]> {
3558 let Inst{23-20} = 0b0010;
3559 let Inst{7-4} = 0b0000;
3562 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3563 "msr", "\tcpsr$mask, $a",
3564 [/* For disassembly only; pattern left blank */]> {
3565 let Inst{23-20} = 0b0010;
3566 let Inst{7-4} = 0b0000;
3569 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3570 "msr", "\tspsr$mask, $src",
3571 [/* For disassembly only; pattern left blank */]> {
3572 let Inst{23-20} = 0b0110;
3573 let Inst{7-4} = 0b0000;
3576 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3577 "msr", "\tspsr$mask, $a",
3578 [/* For disassembly only; pattern left blank */]> {
3579 let Inst{23-20} = 0b0110;
3580 let Inst{7-4} = 0b0000;