1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
64 def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
65 def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
75 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
77 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
78 [SDNPHasChain, SDNPOutFlag]>;
79 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
82 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
88 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
89 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
92 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
93 [SDNPHasChain, SDNPOptInFlag]>;
95 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
97 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
100 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
101 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
103 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
105 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
108 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
111 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
114 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
115 [SDNPOutFlag, SDNPCommutative]>;
117 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
119 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
120 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
121 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
123 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
124 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
125 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
127 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
128 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
129 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
132 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
134 def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
136 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
138 def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
141 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
143 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
144 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
147 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
149 //===----------------------------------------------------------------------===//
150 // ARM Instruction Predicate Definitions.
152 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
153 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
154 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
155 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
156 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
157 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
158 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
159 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
160 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
161 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
162 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
163 def HasNEON : Predicate<"Subtarget->hasNEON()">;
164 def HasDivide : Predicate<"Subtarget->hasDivide()">;
165 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
166 def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
167 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
168 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
169 def IsThumb : Predicate<"Subtarget->isThumb()">;
170 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
171 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
172 def IsARM : Predicate<"!Subtarget->isThumb()">;
173 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
174 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
176 // FIXME: Eventually this will be just "hasV6T2Ops".
177 def UseMovt : Predicate<"Subtarget->useMovt()">;
178 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
179 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
181 //===----------------------------------------------------------------------===//
182 // ARM Flag Definitions.
184 class RegConstraint<string C> {
185 string Constraints = C;
188 //===----------------------------------------------------------------------===//
189 // ARM specific transformation functions and pattern fragments.
192 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
193 // so_imm_neg def below.
194 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
195 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
198 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
199 // so_imm_not def below.
200 def so_imm_not_XFORM : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
204 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
205 def imm1_15 : PatLeaf<(i32 imm), [{
206 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
209 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
210 def imm16_31 : PatLeaf<(i32 imm), [{
211 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
216 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
217 }], so_imm_neg_XFORM>;
221 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
222 }], so_imm_not_XFORM>;
224 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
225 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
226 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
229 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
231 def bf_inv_mask_imm : Operand<i32>,
233 return ARM::isBitFieldInvertedMask(N->getZExtValue());
235 string EncoderMethod = "getBitfieldInvertedMaskOpValue";
236 let PrintMethod = "printBitfieldInvMaskImmOperand";
239 /// Split a 32-bit immediate into two 16 bit parts.
240 def hi16 : SDNodeXForm<imm, [{
241 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
244 def lo16AllZero : PatLeaf<(i32 imm), [{
245 // Returns true if all low 16-bits are 0.
246 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
249 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
251 def imm0_65535 : PatLeaf<(i32 imm), [{
252 return (uint32_t)N->getZExtValue() < 65536;
255 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
256 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
258 /// adde and sube predicates - True based on whether the carry flag output
259 /// will be needed or not.
260 def adde_dead_carry :
261 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
262 [{return !N->hasAnyUseOfValue(1);}]>;
263 def sube_dead_carry :
264 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
265 [{return !N->hasAnyUseOfValue(1);}]>;
266 def adde_live_carry :
267 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
268 [{return N->hasAnyUseOfValue(1);}]>;
269 def sube_live_carry :
270 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
271 [{return N->hasAnyUseOfValue(1);}]>;
273 //===----------------------------------------------------------------------===//
274 // Operand Definitions.
278 def brtarget : Operand<OtherVT>;
280 // A list of registers separated by comma. Used by load/store multiple.
281 def reglist : Operand<i32> {
282 let PrintMethod = "printRegisterList";
285 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
286 def cpinst_operand : Operand<i32> {
287 let PrintMethod = "printCPInstOperand";
290 def jtblock_operand : Operand<i32> {
291 let PrintMethod = "printJTBlockOperand";
293 def jt2block_operand : Operand<i32> {
294 let PrintMethod = "printJT2BlockOperand";
298 def pclabel : Operand<i32> {
299 let PrintMethod = "printPCLabel";
302 def neon_vcvt_imm32 : Operand<i32> {
303 string EncoderMethod = "getNEONVcvtImm32";
306 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
307 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
308 int32_t v = (int32_t)N->getZExtValue();
309 return v == 8 || v == 16 || v == 24; }]> {
310 string EncoderMethod = "getRotImmOpValue";
313 // shift_imm: An integer that encodes a shift amount and the type of shift
314 // (currently either asr or lsl) using the same encoding used for the
315 // immediates in so_reg operands.
316 def shift_imm : Operand<i32> {
317 let PrintMethod = "printShiftImmOperand";
320 // shifter_operand operands: so_reg and so_imm.
321 def so_reg : Operand<i32>, // reg reg imm
322 ComplexPattern<i32, 3, "SelectShifterOperandReg",
323 [shl,srl,sra,rotr]> {
324 string EncoderMethod = "getSORegOpValue";
325 let PrintMethod = "printSORegOperand";
326 let MIOperandInfo = (ops GPR, GPR, i32imm);
328 def shift_so_reg : Operand<i32>, // reg reg imm
329 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
330 [shl,srl,sra,rotr]> {
331 string EncoderMethod = "getSORegOpValue";
332 let PrintMethod = "printSORegOperand";
333 let MIOperandInfo = (ops GPR, GPR, i32imm);
336 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
337 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
338 // represented in the imm field in the same 12-bit form that they are encoded
339 // into so_imm instructions: the 8-bit immediate is the least significant bits
340 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
341 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
342 string EncoderMethod = "getSOImmOpValue";
343 let PrintMethod = "printSOImmOperand";
346 // Break so_imm's up into two pieces. This handles immediates with up to 16
347 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
348 // get the first/second pieces.
349 def so_imm2part : Operand<i32>,
351 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
353 let PrintMethod = "printSOImm2PartOperand";
356 def so_imm2part_1 : SDNodeXForm<imm, [{
357 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
358 return CurDAG->getTargetConstant(V, MVT::i32);
361 def so_imm2part_2 : SDNodeXForm<imm, [{
362 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
363 return CurDAG->getTargetConstant(V, MVT::i32);
366 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
367 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
369 let PrintMethod = "printSOImm2PartOperand";
372 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
373 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
374 return CurDAG->getTargetConstant(V, MVT::i32);
377 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
378 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
379 return CurDAG->getTargetConstant(V, MVT::i32);
382 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
383 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
384 return (int32_t)N->getZExtValue() < 32;
387 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
388 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
389 return (int32_t)N->getZExtValue() < 32;
391 string EncoderMethod = "getImmMinusOneOpValue";
394 // Define ARM specific addressing modes.
397 // addrmode_imm12 := reg +/- imm12
399 def addrmode_imm12 : Operand<i32>,
400 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
401 // 12-bit immediate operand. Note that instructions using this encode
402 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
403 // immediate values are as normal.
405 string EncoderMethod = "getAddrModeImm12OpValue";
406 let PrintMethod = "printAddrModeImm12Operand";
407 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
409 // ldst_so_reg := reg +/- reg shop imm
411 def ldst_so_reg : Operand<i32>,
412 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
413 // FIXME: Simplify the printer
414 // FIXME: Add EncoderMethod for this addressing mode
415 let PrintMethod = "printAddrMode2Operand";
416 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
419 // addrmode2 := reg +/- imm12
420 // := reg +/- reg shop imm
422 def addrmode2 : Operand<i32>,
423 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
424 let PrintMethod = "printAddrMode2Operand";
425 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
428 def am2offset : Operand<i32>,
429 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
430 [], [SDNPWantRoot]> {
431 let PrintMethod = "printAddrMode2OffsetOperand";
432 let MIOperandInfo = (ops GPR, i32imm);
435 // addrmode3 := reg +/- reg
436 // addrmode3 := reg +/- imm8
438 def addrmode3 : Operand<i32>,
439 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
440 let PrintMethod = "printAddrMode3Operand";
441 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
444 def am3offset : Operand<i32>,
445 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
446 [], [SDNPWantRoot]> {
447 let PrintMethod = "printAddrMode3OffsetOperand";
448 let MIOperandInfo = (ops GPR, i32imm);
451 // addrmode4 := reg, <mode|W>
453 def addrmode4 : Operand<i32>,
454 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
455 let PrintMethod = "printAddrMode4Operand";
456 let MIOperandInfo = (ops GPR:$addr, i32imm);
459 def ARMMemMode5AsmOperand : AsmOperandClass {
460 let Name = "MemMode5";
461 let SuperClasses = [];
464 // addrmode5 := reg +/- imm8*4
466 def addrmode5 : Operand<i32>,
467 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
468 let PrintMethod = "printAddrMode5Operand";
469 let MIOperandInfo = (ops GPR:$base, i32imm);
470 let ParserMatchClass = ARMMemMode5AsmOperand;
473 // addrmode6 := reg with optional writeback
475 def addrmode6 : Operand<i32>,
476 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
477 let PrintMethod = "printAddrMode6Operand";
478 let MIOperandInfo = (ops GPR:$addr, i32imm);
481 def am6offset : Operand<i32> {
482 let PrintMethod = "printAddrMode6OffsetOperand";
483 let MIOperandInfo = (ops GPR);
486 // addrmodepc := pc + reg
488 def addrmodepc : Operand<i32>,
489 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
490 let PrintMethod = "printAddrModePCOperand";
491 let MIOperandInfo = (ops GPR, i32imm);
494 def nohash_imm : Operand<i32> {
495 let PrintMethod = "printNoHashImmediate";
498 //===----------------------------------------------------------------------===//
500 include "ARMInstrFormats.td"
502 //===----------------------------------------------------------------------===//
503 // Multiclass helpers...
506 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
507 /// binop that produces a value.
508 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
509 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
510 PatFrag opnode, bit Commutable = 0> {
511 // The register-immediate version is re-materializable. This is useful
512 // in particular for taking the address of a local.
513 let isReMaterializable = 1 in {
514 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
515 iii, opc, "\t$Rd, $Rn, $imm",
516 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
521 let Inst{15-12} = Rd;
522 let Inst{19-16} = Rn;
523 let Inst{11-0} = imm;
526 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
527 iir, opc, "\t$Rd, $Rn, $Rm",
528 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
532 let Inst{11-4} = 0b00000000;
534 let isCommutable = Commutable;
536 let Inst{15-12} = Rd;
537 let Inst{19-16} = Rn;
539 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
540 iis, opc, "\t$Rd, $Rn, $shift",
541 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
546 let Inst{11-0} = shift;
547 let Inst{15-12} = Rd;
548 let Inst{19-16} = Rn;
552 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
553 /// instruction modifies the CPSR register.
554 let Defs = [CPSR] in {
555 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
556 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
557 PatFrag opnode, bit Commutable = 0> {
558 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
559 iii, opc, "\t$Rd, $Rn, $imm",
560 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
565 let Inst{15-12} = Rd;
566 let Inst{19-16} = Rn;
567 let Inst{11-0} = imm;
570 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
571 iir, opc, "\t$Rd, $Rn, $Rm",
572 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
576 let Inst{11-4} = 0b00000000;
578 let isCommutable = Commutable;
580 let Inst{15-12} = Rd;
581 let Inst{19-16} = Rn;
584 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
585 iis, opc, "\t$Rd, $Rn, $shift",
586 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
591 let Inst{11-0} = shift;
592 let Inst{15-12} = Rd;
593 let Inst{19-16} = Rn;
599 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
600 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
601 /// a explicit result, only implicitly set CPSR.
602 let isCompare = 1, Defs = [CPSR] in {
603 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
604 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
605 PatFrag opnode, bit Commutable = 0> {
606 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
608 [(opnode GPR:$Rn, so_imm:$imm)]> {
612 let Inst{15-12} = 0b0000;
613 let Inst{19-16} = Rn;
614 let Inst{11-0} = imm;
618 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
620 [(opnode GPR:$Rn, GPR:$Rm)]> {
623 let Inst{11-4} = 0b00000000;
625 let isCommutable = Commutable;
627 let Inst{15-12} = 0b0000;
628 let Inst{19-16} = Rn;
631 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
632 opc, "\t$Rn, $shift",
633 [(opnode GPR:$Rn, so_reg:$shift)]> {
637 let Inst{11-0} = shift;
638 let Inst{15-12} = 0b0000;
639 let Inst{19-16} = Rn;
645 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
646 /// register and one whose operand is a register rotated by 8/16/24.
647 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
648 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
649 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
650 IIC_iEXTr, opc, "\t$Rd, $Rm",
651 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
652 Requires<[IsARM, HasV6]> {
655 let Inst{15-12} = Rd;
657 let Inst{11-10} = 0b00;
658 let Inst{19-16} = 0b1111;
660 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
661 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
662 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
663 Requires<[IsARM, HasV6]> {
667 let Inst{15-12} = Rd;
668 let Inst{11-10} = rot;
670 let Inst{19-16} = 0b1111;
674 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
675 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
676 IIC_iEXTr, opc, "\t$Rd, $Rm",
677 [/* For disassembly only; pattern left blank */]>,
678 Requires<[IsARM, HasV6]> {
679 let Inst{11-10} = 0b00;
680 let Inst{19-16} = 0b1111;
682 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
683 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
684 [/* For disassembly only; pattern left blank */]>,
685 Requires<[IsARM, HasV6]> {
687 let Inst{11-10} = rot;
688 let Inst{19-16} = 0b1111;
692 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
693 /// register and one whose operand is a register rotated by 8/16/24.
694 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
695 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
696 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
697 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
698 Requires<[IsARM, HasV6]> {
699 let Inst{11-10} = 0b00;
701 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
703 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
704 [(set GPR:$Rd, (opnode GPR:$Rn,
705 (rotr GPR:$Rm, rot_imm:$rot)))]>,
706 Requires<[IsARM, HasV6]> {
709 let Inst{19-16} = Rn;
710 let Inst{11-10} = rot;
714 // For disassembly only.
715 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
716 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
717 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
718 [/* For disassembly only; pattern left blank */]>,
719 Requires<[IsARM, HasV6]> {
720 let Inst{11-10} = 0b00;
722 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
724 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
725 [/* For disassembly only; pattern left blank */]>,
726 Requires<[IsARM, HasV6]> {
729 let Inst{19-16} = Rn;
730 let Inst{11-10} = rot;
734 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
735 let Uses = [CPSR] in {
736 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
737 bit Commutable = 0> {
738 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
739 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
740 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
746 let Inst{15-12} = Rd;
747 let Inst{19-16} = Rn;
748 let Inst{11-0} = imm;
750 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
751 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
752 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
757 let Inst{11-4} = 0b00000000;
759 let isCommutable = Commutable;
761 let Inst{15-12} = Rd;
762 let Inst{19-16} = Rn;
764 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
765 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
766 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
772 let Inst{11-0} = shift;
773 let Inst{15-12} = Rd;
774 let Inst{19-16} = Rn;
777 // Carry setting variants
778 let Defs = [CPSR] in {
779 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
780 bit Commutable = 0> {
781 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
782 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
783 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
788 let Inst{15-12} = Rd;
789 let Inst{19-16} = Rn;
790 let Inst{11-0} = imm;
794 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
795 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
796 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
801 let Inst{11-4} = 0b00000000;
802 let isCommutable = Commutable;
804 let Inst{15-12} = Rd;
805 let Inst{19-16} = Rn;
809 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
810 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
811 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
816 let Inst{11-0} = shift;
817 let Inst{15-12} = Rd;
818 let Inst{19-16} = Rn;
826 let canFoldAsLoad = 1, isReMaterializable = 1 in {
827 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
828 InstrItinClass iir, PatFrag opnode> {
829 // Note: We use the complex addrmode_imm12 rather than just an input
830 // GPR and a constrained immediate so that we can use this to match
831 // frame index references and avoid matching constant pool references.
832 def i12 : AIldst1<0b010, opc22, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
833 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
834 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
837 let Inst{23} = addr{12}; // U (add = ('U' == 1))
838 let Inst{19-16} = addr{16-13}; // Rn
839 let Inst{15-12} = Rt;
840 let Inst{11-0} = addr{11-0}; // imm12
842 def rs : AIldst1<0b011, opc22, 1, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
843 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
844 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
847 let Inst{23} = shift{12}; // U (add = ('U' == 1))
848 let Inst{19-16} = shift{16-13}; // Rn
849 let Inst{11-0} = shift{11-0};
854 multiclass AI_str1<bit opc22, string opc, InstrItinClass iii,
855 InstrItinClass iir, PatFrag opnode> {
856 // Note: We use the complex addrmode_imm12 rather than just an input
857 // GPR and a constrained immediate so that we can use this to match
858 // frame index references and avoid matching constant pool references.
859 def i12 : AIldst1<0b010, opc22, 0, (outs),
860 (ins GPR:$Rt, addrmode_imm12:$addr),
861 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
862 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
865 let Inst{23} = addr{12}; // U (add = ('U' == 1))
866 let Inst{19-16} = addr{16-13}; // Rn
867 let Inst{15-12} = Rt;
868 let Inst{11-0} = addr{11-0}; // imm12
870 def rs : AIldst1<0b011, opc22, 0, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
871 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
872 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
875 let Inst{23} = shift{12}; // U (add = ('U' == 1))
876 let Inst{19-16} = shift{16-13}; // Rn
877 let Inst{11-0} = shift{11-0};
880 //===----------------------------------------------------------------------===//
882 //===----------------------------------------------------------------------===//
884 //===----------------------------------------------------------------------===//
885 // Miscellaneous Instructions.
888 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
889 /// the function. The first operand is the ID# for this instruction, the second
890 /// is the index into the MachineConstantPool that this is, the third is the
891 /// size in bytes of this constant pool entry.
892 let neverHasSideEffects = 1, isNotDuplicable = 1 in
893 def CONSTPOOL_ENTRY :
894 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
895 i32imm:$size), NoItinerary, "", []>;
897 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
898 // from removing one half of the matched pairs. That breaks PEI, which assumes
899 // these will always be in pairs, and asserts if it finds otherwise. Better way?
900 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
902 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
903 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
905 def ADJCALLSTACKDOWN :
906 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
907 [(ARMcallseq_start timm:$amt)]>;
910 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
911 [/* For disassembly only; pattern left blank */]>,
912 Requires<[IsARM, HasV6T2]> {
913 let Inst{27-16} = 0b001100100000;
914 let Inst{15-8} = 0b11110000;
915 let Inst{7-0} = 0b00000000;
918 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
919 [/* For disassembly only; pattern left blank */]>,
920 Requires<[IsARM, HasV6T2]> {
921 let Inst{27-16} = 0b001100100000;
922 let Inst{15-8} = 0b11110000;
923 let Inst{7-0} = 0b00000001;
926 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
927 [/* For disassembly only; pattern left blank */]>,
928 Requires<[IsARM, HasV6T2]> {
929 let Inst{27-16} = 0b001100100000;
930 let Inst{15-8} = 0b11110000;
931 let Inst{7-0} = 0b00000010;
934 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
935 [/* For disassembly only; pattern left blank */]>,
936 Requires<[IsARM, HasV6T2]> {
937 let Inst{27-16} = 0b001100100000;
938 let Inst{15-8} = 0b11110000;
939 let Inst{7-0} = 0b00000011;
942 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
944 [/* For disassembly only; pattern left blank */]>,
945 Requires<[IsARM, HasV6]> {
950 let Inst{15-12} = Rd;
951 let Inst{19-16} = Rn;
952 let Inst{27-20} = 0b01101000;
953 let Inst{7-4} = 0b1011;
954 let Inst{11-8} = 0b1111;
957 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
958 [/* For disassembly only; pattern left blank */]>,
959 Requires<[IsARM, HasV6T2]> {
960 let Inst{27-16} = 0b001100100000;
961 let Inst{15-8} = 0b11110000;
962 let Inst{7-0} = 0b00000100;
965 // The i32imm operand $val can be used by a debugger to store more information
966 // about the breakpoint.
967 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
968 [/* For disassembly only; pattern left blank */]>,
971 let Inst{3-0} = val{3-0};
972 let Inst{19-8} = val{15-4};
973 let Inst{27-20} = 0b00010010;
974 let Inst{7-4} = 0b0111;
977 // Change Processor State is a system instruction -- for disassembly only.
978 // The singleton $opt operand contains the following information:
979 // opt{4-0} = mode from Inst{4-0}
980 // opt{5} = changemode from Inst{17}
981 // opt{8-6} = AIF from Inst{8-6}
982 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
983 // FIXME: Integrated assembler will need these split out.
984 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
985 [/* For disassembly only; pattern left blank */]>,
987 let Inst{31-28} = 0b1111;
988 let Inst{27-20} = 0b00010000;
993 // Preload signals the memory system of possible future data/instruction access.
994 // These are for disassembly only.
996 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
997 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
998 multiclass APreLoad<bit data, bit read, string opc> {
1000 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, NoItinerary,
1001 !strconcat(opc, "\t$addr"), []> {
1004 let Inst{31-26} = 0b111101;
1005 let Inst{25} = 0; // 0 for immediate form
1006 let Inst{24} = data;
1007 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1008 let Inst{22} = read;
1009 let Inst{21-20} = 0b01;
1010 let Inst{19-16} = addr{16-13}; // Rn
1011 let Inst{15-12} = Rt;
1012 let Inst{11-0} = addr{11-0}; // imm12
1015 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, NoItinerary,
1016 !strconcat(opc, "\t$shift"), []> {
1019 let Inst{31-26} = 0b111101;
1020 let Inst{25} = 1; // 1 for register form
1021 let Inst{24} = data;
1022 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1023 let Inst{22} = read;
1024 let Inst{21-20} = 0b01;
1025 let Inst{19-16} = shift{16-13}; // Rn
1026 let Inst{11-0} = shift{11-0};
1030 defm PLD : APreLoad<1, 1, "pld">;
1031 defm PLDW : APreLoad<1, 0, "pldw">;
1032 defm PLI : APreLoad<0, 1, "pli">;
1034 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1036 [/* For disassembly only; pattern left blank */]>,
1039 let Inst{31-10} = 0b1111000100000001000000;
1044 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1045 [/* For disassembly only; pattern left blank */]>,
1046 Requires<[IsARM, HasV7]> {
1048 let Inst{27-4} = 0b001100100000111100001111;
1049 let Inst{3-0} = opt;
1052 // A5.4 Permanently UNDEFINED instructions.
1053 let isBarrier = 1, isTerminator = 1 in
1054 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1057 let Inst{27-25} = 0b011;
1058 let Inst{24-20} = 0b11111;
1059 let Inst{7-5} = 0b111;
1063 // Address computation and loads and stores in PIC mode.
1064 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1065 // classes (AXI1, et.al.) and so have encoding information and such,
1066 // which is suboptimal. Once the rest of the code emitter (including
1067 // JIT) is MC-ized we should look at refactoring these into true
1068 // pseudos. As is, the encoding information ends up being ignored,
1069 // as these instructions are lowered to individual MC-insts.
1070 let isNotDuplicable = 1 in {
1071 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1072 Pseudo, IIC_iALUr, "",
1073 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1075 let AddedComplexity = 10 in {
1076 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1077 Pseudo, IIC_iLoad_r, "",
1078 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1080 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1081 Pseudo, IIC_iLoad_bh_r, "",
1082 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1084 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1085 Pseudo, IIC_iLoad_bh_r, "",
1086 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1088 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1089 Pseudo, IIC_iLoad_bh_r, "",
1090 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1092 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1093 Pseudo, IIC_iLoad_bh_r, "",
1094 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1096 let AddedComplexity = 10 in {
1097 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1098 Pseudo, IIC_iStore_r, "",
1099 [(store GPR:$src, addrmodepc:$addr)]>;
1101 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1102 Pseudo, IIC_iStore_bh_r, "",
1103 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1105 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1106 Pseudo, IIC_iStore_bh_r, "",
1107 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1109 } // isNotDuplicable = 1
1112 // LEApcrel - Load a pc-relative address into a register without offending the
1114 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1115 // the ADR instruction. Is this the right way to handle that? They need
1116 // encoding information regardless.
1117 let neverHasSideEffects = 1 in {
1118 let isReMaterializable = 1 in
1119 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1121 "adr$p\t$dst, #$label", []>;
1123 } // neverHasSideEffects
1124 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1125 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1127 "adr$p\t$dst, #${label}_${id}", []> {
1131 //===----------------------------------------------------------------------===//
1132 // Control Flow Instructions.
1135 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1137 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1138 "bx", "\tlr", [(ARMretflag)]>,
1139 Requires<[IsARM, HasV4T]> {
1140 let Inst{27-0} = 0b0001001011111111111100011110;
1144 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1145 "mov", "\tpc, lr", [(ARMretflag)]>,
1146 Requires<[IsARM, NoV4T]> {
1147 let Inst{27-0} = 0b0001101000001111000000001110;
1151 // Indirect branches
1152 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1154 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1155 [(brind GPR:$dst)]>,
1156 Requires<[IsARM, HasV4T]> {
1158 let Inst{31-4} = 0b1110000100101111111111110001;
1159 let Inst{3-0} = dst;
1163 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1164 [(brind GPR:$dst)]>,
1165 Requires<[IsARM, NoV4T]> {
1167 let Inst{31-4} = 0b1110000110100000111100000000;
1168 let Inst{3-0} = dst;
1172 // FIXME: remove when we have a way to marking a MI with these properties.
1173 // FIXME: Should pc be an implicit operand like PICADD, etc?
1174 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1175 hasExtraDefRegAllocReq = 1 in
1176 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1177 reglist:$dsts, variable_ops),
1178 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1179 "ldm${addr:submode}${p}\t$addr!, $dsts",
1180 "$addr.addr = $wb", []>;
1182 // On non-Darwin platforms R9 is callee-saved.
1184 Defs = [R0, R1, R2, R3, R12, LR,
1185 D0, D1, D2, D3, D4, D5, D6, D7,
1186 D16, D17, D18, D19, D20, D21, D22, D23,
1187 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1188 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1189 IIC_Br, "bl\t$func",
1190 [(ARMcall tglobaladdr:$func)]>,
1191 Requires<[IsARM, IsNotDarwin]> {
1192 let Inst{31-28} = 0b1110;
1193 // FIXME: Encoding info for $func. Needs fixups bits.
1196 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1197 IIC_Br, "bl", "\t$func",
1198 [(ARMcall_pred tglobaladdr:$func)]>,
1199 Requires<[IsARM, IsNotDarwin]>;
1202 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1203 IIC_Br, "blx\t$func",
1204 [(ARMcall GPR:$func)]>,
1205 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1207 let Inst{27-4} = 0b000100101111111111110011;
1208 let Inst{3-0} = func;
1212 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1213 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1214 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1215 [(ARMcall_nolink tGPR:$func)]>,
1216 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1218 let Inst{27-4} = 0b000100101111111111110001;
1219 let Inst{3-0} = func;
1223 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1224 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1225 [(ARMcall_nolink tGPR:$func)]>,
1226 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1228 let Inst{27-4} = 0b000110100000111100000000;
1229 let Inst{3-0} = func;
1233 // On Darwin R9 is call-clobbered.
1235 Defs = [R0, R1, R2, R3, R9, R12, LR,
1236 D0, D1, D2, D3, D4, D5, D6, D7,
1237 D16, D17, D18, D19, D20, D21, D22, D23,
1238 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1239 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1240 IIC_Br, "bl\t$func",
1241 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1242 let Inst{31-28} = 0b1110;
1243 // FIXME: Encoding info for $func. Needs fixups bits.
1246 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1247 IIC_Br, "bl", "\t$func",
1248 [(ARMcall_pred tglobaladdr:$func)]>,
1249 Requires<[IsARM, IsDarwin]>;
1252 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1253 IIC_Br, "blx\t$func",
1254 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1256 let Inst{27-4} = 0b000100101111111111110011;
1257 let Inst{3-0} = func;
1261 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1262 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1263 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1264 [(ARMcall_nolink tGPR:$func)]>,
1265 Requires<[IsARM, HasV4T, IsDarwin]> {
1267 let Inst{27-4} = 0b000100101111111111110001;
1268 let Inst{3-0} = func;
1272 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1273 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1274 [(ARMcall_nolink tGPR:$func)]>,
1275 Requires<[IsARM, NoV4T, IsDarwin]> {
1277 let Inst{27-4} = 0b000110100000111100000000;
1278 let Inst{3-0} = func;
1284 // FIXME: These should probably be xformed into the non-TC versions of the
1285 // instructions as part of MC lowering.
1286 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1288 let Defs = [R0, R1, R2, R3, R9, R12,
1289 D0, D1, D2, D3, D4, D5, D6, D7,
1290 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1291 D27, D28, D29, D30, D31, PC],
1293 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1295 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1297 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1299 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1301 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1302 IIC_Br, "b\t$dst @ TAILCALL",
1303 []>, Requires<[IsDarwin]>;
1305 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1306 IIC_Br, "b.w\t$dst @ TAILCALL",
1307 []>, Requires<[IsDarwin]>;
1309 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1310 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1311 []>, Requires<[IsDarwin]> {
1313 let Inst{31-4} = 0b1110000100101111111111110001;
1314 let Inst{3-0} = dst;
1318 // Non-Darwin versions (the difference is R9).
1319 let Defs = [R0, R1, R2, R3, R12,
1320 D0, D1, D2, D3, D4, D5, D6, D7,
1321 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1322 D27, D28, D29, D30, D31, PC],
1324 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1326 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1328 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1330 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1332 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1333 IIC_Br, "b\t$dst @ TAILCALL",
1334 []>, Requires<[IsARM, IsNotDarwin]>;
1336 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1337 IIC_Br, "b.w\t$dst @ TAILCALL",
1338 []>, Requires<[IsThumb, IsNotDarwin]>;
1340 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1341 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1342 []>, Requires<[IsNotDarwin]> {
1344 let Inst{31-4} = 0b1110000100101111111111110001;
1345 let Inst{3-0} = dst;
1350 let isBranch = 1, isTerminator = 1 in {
1351 // B is "predicable" since it can be xformed into a Bcc.
1352 let isBarrier = 1 in {
1353 let isPredicable = 1 in
1354 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1355 "b\t$target", [(br bb:$target)]>;
1357 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1358 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1359 IIC_Br, "mov\tpc, $target$jt",
1360 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1361 let Inst{11-4} = 0b00000000;
1362 let Inst{15-12} = 0b1111;
1363 let Inst{20} = 0; // S Bit
1364 let Inst{24-21} = 0b1101;
1365 let Inst{27-25} = 0b000;
1367 def BR_JTm : JTI<(outs),
1368 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1369 IIC_Br, "ldr\tpc, $target$jt",
1370 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1372 let Inst{15-12} = 0b1111;
1373 let Inst{20} = 1; // L bit
1374 let Inst{21} = 0; // W bit
1375 let Inst{22} = 0; // B bit
1376 let Inst{24} = 1; // P bit
1377 let Inst{27-25} = 0b011;
1379 def BR_JTadd : JTI<(outs),
1380 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1381 IIC_Br, "add\tpc, $target, $idx$jt",
1382 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1384 let Inst{15-12} = 0b1111;
1385 let Inst{20} = 0; // S bit
1386 let Inst{24-21} = 0b0100;
1387 let Inst{27-25} = 0b000;
1389 } // isNotDuplicable = 1, isIndirectBranch = 1
1392 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1393 // a two-value operand where a dag node expects two operands. :(
1394 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1395 IIC_Br, "b", "\t$target",
1396 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1399 // Branch and Exchange Jazelle -- for disassembly only
1400 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1401 [/* For disassembly only; pattern left blank */]> {
1402 let Inst{23-20} = 0b0010;
1403 //let Inst{19-8} = 0xfff;
1404 let Inst{7-4} = 0b0010;
1407 // Secure Monitor Call is a system instruction -- for disassembly only
1408 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1409 [/* For disassembly only; pattern left blank */]> {
1411 let Inst{23-4} = 0b01100000000000000111;
1412 let Inst{3-0} = opt;
1415 // Supervisor Call (Software Interrupt) -- for disassembly only
1417 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1418 [/* For disassembly only; pattern left blank */]> {
1420 let Inst{23-0} = svc;
1424 // Store Return State is a system instruction -- for disassembly only
1425 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1426 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1427 [/* For disassembly only; pattern left blank */]> {
1428 let Inst{31-28} = 0b1111;
1429 let Inst{22-20} = 0b110; // W = 1
1432 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1433 NoItinerary, "srs${addr:submode}\tsp, $mode",
1434 [/* For disassembly only; pattern left blank */]> {
1435 let Inst{31-28} = 0b1111;
1436 let Inst{22-20} = 0b100; // W = 0
1439 // Return From Exception is a system instruction -- for disassembly only
1440 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1441 NoItinerary, "rfe${addr:submode}\t$base!",
1442 [/* For disassembly only; pattern left blank */]> {
1443 let Inst{31-28} = 0b1111;
1444 let Inst{22-20} = 0b011; // W = 1
1447 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1448 NoItinerary, "rfe${addr:submode}\t$base",
1449 [/* For disassembly only; pattern left blank */]> {
1450 let Inst{31-28} = 0b1111;
1451 let Inst{22-20} = 0b001; // W = 0
1454 //===----------------------------------------------------------------------===//
1455 // Load / store Instructions.
1461 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1462 UnOpFrag<(load node:$Src)>>;
1463 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1464 UnOpFrag<(zextloadi8 node:$Src)>>;
1465 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1466 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1467 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1468 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1470 // Special LDR for loads from non-pc-relative constpools.
1471 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1472 isReMaterializable = 1 in
1473 def LDRcp : AIldst1<0b010, 0, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1474 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1477 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1478 let Inst{19-16} = 0b1111;
1479 let Inst{15-12} = Rt;
1480 let Inst{11-0} = addr{11-0}; // imm12
1483 // Loads with zero extension
1484 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1485 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1486 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1488 // Loads with sign extension
1489 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1490 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1491 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1493 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1494 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1495 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1497 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1499 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1500 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1501 []>, Requires<[IsARM, HasV5TE]>;
1504 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1505 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1506 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1508 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1509 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1510 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1512 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1513 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1514 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1516 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1517 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1518 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1520 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1521 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1522 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1524 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1525 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1526 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1528 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1529 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1530 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1532 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1533 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1534 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1536 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1537 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1538 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1540 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1541 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1542 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1544 // For disassembly only
1545 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1546 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1547 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1548 Requires<[IsARM, HasV5TE]>;
1550 // For disassembly only
1551 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1552 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1553 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1554 Requires<[IsARM, HasV5TE]>;
1556 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1558 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1560 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1561 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1562 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1563 let Inst{21} = 1; // overwrite
1566 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1567 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1568 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1569 let Inst{21} = 1; // overwrite
1572 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1573 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1574 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1575 let Inst{21} = 1; // overwrite
1578 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1579 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1580 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1581 let Inst{21} = 1; // overwrite
1584 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1585 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1586 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1587 let Inst{21} = 1; // overwrite
1592 // Stores with truncate
1593 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1594 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1595 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1598 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1599 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1600 StMiscFrm, IIC_iStore_d_r,
1601 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1604 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1605 (ins GPR:$src, GPR:$base, am2offset:$offset),
1606 StFrm, IIC_iStore_ru,
1607 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1609 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1611 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1612 (ins GPR:$src, GPR:$base,am2offset:$offset),
1613 StFrm, IIC_iStore_ru,
1614 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1616 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1618 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1619 (ins GPR:$src, GPR:$base,am3offset:$offset),
1620 StMiscFrm, IIC_iStore_ru,
1621 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1623 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1625 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1626 (ins GPR:$src, GPR:$base,am3offset:$offset),
1627 StMiscFrm, IIC_iStore_bh_ru,
1628 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1629 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1630 GPR:$base, am3offset:$offset))]>;
1632 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1633 (ins GPR:$src, GPR:$base,am2offset:$offset),
1634 StFrm, IIC_iStore_bh_ru,
1635 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1636 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1637 GPR:$base, am2offset:$offset))]>;
1639 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1640 (ins GPR:$src, GPR:$base,am2offset:$offset),
1641 StFrm, IIC_iStore_bh_ru,
1642 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1643 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1644 GPR:$base, am2offset:$offset))]>;
1646 // For disassembly only
1647 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1648 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1649 StMiscFrm, IIC_iStore_d_ru,
1650 "strd", "\t$src1, $src2, [$base, $offset]!",
1651 "$base = $base_wb", []>;
1653 // For disassembly only
1654 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1655 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1656 StMiscFrm, IIC_iStore_d_ru,
1657 "strd", "\t$src1, $src2, [$base], $offset",
1658 "$base = $base_wb", []>;
1660 // STRT, STRBT, and STRHT are for disassembly only.
1662 def STRT : AI2stwpo<(outs GPR:$base_wb),
1663 (ins GPR:$src, GPR:$base,am2offset:$offset),
1664 StFrm, IIC_iStore_ru,
1665 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1666 [/* For disassembly only; pattern left blank */]> {
1667 let Inst{21} = 1; // overwrite
1670 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1671 (ins GPR:$src, GPR:$base,am2offset:$offset),
1672 StFrm, IIC_iStore_bh_ru,
1673 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1674 [/* For disassembly only; pattern left blank */]> {
1675 let Inst{21} = 1; // overwrite
1678 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1679 (ins GPR:$src, GPR:$base,am3offset:$offset),
1680 StMiscFrm, IIC_iStore_bh_ru,
1681 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1682 [/* For disassembly only; pattern left blank */]> {
1683 let Inst{21} = 1; // overwrite
1686 //===----------------------------------------------------------------------===//
1687 // Load / store multiple Instructions.
1690 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1691 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1692 reglist:$dsts, variable_ops),
1693 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1694 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1696 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1697 reglist:$dsts, variable_ops),
1698 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1699 "ldm${addr:submode}${p}\t$addr!, $dsts",
1700 "$addr.addr = $wb", []>;
1701 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1703 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1704 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1705 reglist:$srcs, variable_ops),
1706 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1707 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1709 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1710 reglist:$srcs, variable_ops),
1711 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1712 "stm${addr:submode}${p}\t$addr!, $srcs",
1713 "$addr.addr = $wb", []>;
1714 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1716 //===----------------------------------------------------------------------===//
1717 // Move Instructions.
1720 let neverHasSideEffects = 1 in
1721 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1722 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1726 let Inst{11-4} = 0b00000000;
1729 let Inst{15-12} = Rd;
1732 // A version for the smaller set of tail call registers.
1733 let neverHasSideEffects = 1 in
1734 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1735 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1739 let Inst{11-4} = 0b00000000;
1742 let Inst{15-12} = Rd;
1745 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1746 DPSoRegFrm, IIC_iMOVsr,
1747 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1751 let Inst{15-12} = Rd;
1752 let Inst{11-0} = src;
1756 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1757 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1758 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1762 let Inst{15-12} = Rd;
1763 let Inst{19-16} = 0b0000;
1764 let Inst{11-0} = imm;
1767 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1768 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1770 "movw", "\t$Rd, $imm",
1771 [(set GPR:$Rd, imm0_65535:$imm)]>,
1772 Requires<[IsARM, HasV6T2]>, UnaryDP {
1775 let Inst{15-12} = Rd;
1776 let Inst{11-0} = imm{11-0};
1777 let Inst{19-16} = imm{15-12};
1782 let Constraints = "$src = $Rd" in
1783 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1785 "movt", "\t$Rd, $imm",
1787 (or (and GPR:$src, 0xffff),
1788 lo16AllZero:$imm))]>, UnaryDP,
1789 Requires<[IsARM, HasV6T2]> {
1792 let Inst{15-12} = Rd;
1793 let Inst{11-0} = imm{11-0};
1794 let Inst{19-16} = imm{15-12};
1799 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1800 Requires<[IsARM, HasV6T2]>;
1802 let Uses = [CPSR] in
1803 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1804 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1807 // These aren't really mov instructions, but we have to define them this way
1808 // due to flag operands.
1810 let Defs = [CPSR] in {
1811 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1812 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1814 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1815 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1819 //===----------------------------------------------------------------------===//
1820 // Extend Instructions.
1825 defm SXTB : AI_ext_rrot<0b01101010,
1826 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1827 defm SXTH : AI_ext_rrot<0b01101011,
1828 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1830 defm SXTAB : AI_exta_rrot<0b01101010,
1831 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1832 defm SXTAH : AI_exta_rrot<0b01101011,
1833 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1835 // For disassembly only
1836 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1838 // For disassembly only
1839 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1843 let AddedComplexity = 16 in {
1844 defm UXTB : AI_ext_rrot<0b01101110,
1845 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1846 defm UXTH : AI_ext_rrot<0b01101111,
1847 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1848 defm UXTB16 : AI_ext_rrot<0b01101100,
1849 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1851 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1852 // The transformation should probably be done as a combiner action
1853 // instead so we can include a check for masking back in the upper
1854 // eight bits of the source into the lower eight bits of the result.
1855 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1856 // (UXTB16r_rot GPR:$Src, 24)>;
1857 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1858 (UXTB16r_rot GPR:$Src, 8)>;
1860 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1861 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1862 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1863 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1866 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1867 // For disassembly only
1868 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1871 def SBFX : I<(outs GPR:$Rd),
1872 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1873 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1874 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1875 Requires<[IsARM, HasV6T2]> {
1880 let Inst{27-21} = 0b0111101;
1881 let Inst{6-4} = 0b101;
1882 let Inst{20-16} = width;
1883 let Inst{15-12} = Rd;
1884 let Inst{11-7} = lsb;
1888 def UBFX : I<(outs GPR:$Rd),
1889 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1890 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1891 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1892 Requires<[IsARM, HasV6T2]> {
1897 let Inst{27-21} = 0b0111111;
1898 let Inst{6-4} = 0b101;
1899 let Inst{20-16} = width;
1900 let Inst{15-12} = Rd;
1901 let Inst{11-7} = lsb;
1905 //===----------------------------------------------------------------------===//
1906 // Arithmetic Instructions.
1909 defm ADD : AsI1_bin_irs<0b0100, "add",
1910 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1911 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1912 defm SUB : AsI1_bin_irs<0b0010, "sub",
1913 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1914 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1916 // ADD and SUB with 's' bit set.
1917 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1918 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1919 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1920 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1921 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1922 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1924 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1925 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1926 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1927 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1928 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1929 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1930 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1931 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1933 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1934 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1935 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1940 let Inst{15-12} = Rd;
1941 let Inst{19-16} = Rn;
1942 let Inst{11-0} = imm;
1945 // The reg/reg form is only defined for the disassembler; for codegen it is
1946 // equivalent to SUBrr.
1947 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1948 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1949 [/* For disassembly only; pattern left blank */]> {
1953 let Inst{11-4} = 0b00000000;
1956 let Inst{15-12} = Rd;
1957 let Inst{19-16} = Rn;
1960 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1961 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1962 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1967 let Inst{11-0} = shift;
1968 let Inst{15-12} = Rd;
1969 let Inst{19-16} = Rn;
1972 // RSB with 's' bit set.
1973 let Defs = [CPSR] in {
1974 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1975 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
1976 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
1982 let Inst{15-12} = Rd;
1983 let Inst{19-16} = Rn;
1984 let Inst{11-0} = imm;
1986 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1987 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
1988 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
1994 let Inst{11-0} = shift;
1995 let Inst{15-12} = Rd;
1996 let Inst{19-16} = Rn;
2000 let Uses = [CPSR] in {
2001 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2002 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2003 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2009 let Inst{15-12} = Rd;
2010 let Inst{19-16} = Rn;
2011 let Inst{11-0} = imm;
2013 // The reg/reg form is only defined for the disassembler; for codegen it is
2014 // equivalent to SUBrr.
2015 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2016 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2017 [/* For disassembly only; pattern left blank */]> {
2021 let Inst{11-4} = 0b00000000;
2024 let Inst{15-12} = Rd;
2025 let Inst{19-16} = Rn;
2027 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2028 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2029 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2035 let Inst{11-0} = shift;
2036 let Inst{15-12} = Rd;
2037 let Inst{19-16} = Rn;
2041 // FIXME: Allow these to be predicated.
2042 let Defs = [CPSR], Uses = [CPSR] in {
2043 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2044 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2045 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2052 let Inst{15-12} = Rd;
2053 let Inst{19-16} = Rn;
2054 let Inst{11-0} = imm;
2056 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2057 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2058 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2065 let Inst{11-0} = shift;
2066 let Inst{15-12} = Rd;
2067 let Inst{19-16} = Rn;
2071 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2072 // The assume-no-carry-in form uses the negation of the input since add/sub
2073 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2074 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2076 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2077 (SUBri GPR:$src, so_imm_neg:$imm)>;
2078 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2079 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2080 // The with-carry-in form matches bitwise not instead of the negation.
2081 // Effectively, the inverse interpretation of the carry flag already accounts
2082 // for part of the negation.
2083 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2084 (SBCri GPR:$src, so_imm_not:$imm)>;
2086 // Note: These are implemented in C++ code, because they have to generate
2087 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2089 // (mul X, 2^n+1) -> (add (X << n), X)
2090 // (mul X, 2^n-1) -> (rsb X, (X << n))
2092 // ARM Arithmetic Instruction -- for disassembly only
2093 // GPR:$dst = GPR:$a op GPR:$b
2094 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2095 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2096 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2097 opc, "\t$Rd, $Rn, $Rm", pattern> {
2101 let Inst{27-20} = op27_20;
2102 let Inst{11-4} = op11_4;
2103 let Inst{19-16} = Rn;
2104 let Inst{15-12} = Rd;
2108 // Saturating add/subtract -- for disassembly only
2110 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2111 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2112 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2113 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2114 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2115 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2117 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2118 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2119 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2120 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2121 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2122 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2123 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2124 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2125 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2126 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2127 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2128 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2130 // Signed/Unsigned add/subtract -- for disassembly only
2132 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2133 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2134 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2135 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2136 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2137 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2138 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2139 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2140 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2141 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2142 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2143 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2145 // Signed/Unsigned halving add/subtract -- for disassembly only
2147 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2148 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2149 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2150 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2151 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2152 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2153 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2154 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2155 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2156 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2157 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2158 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2160 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2162 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2163 MulFrm /* for convenience */, NoItinerary, "usad8",
2164 "\t$Rd, $Rn, $Rm", []>,
2165 Requires<[IsARM, HasV6]> {
2169 let Inst{27-20} = 0b01111000;
2170 let Inst{15-12} = 0b1111;
2171 let Inst{7-4} = 0b0001;
2172 let Inst{19-16} = Rd;
2173 let Inst{11-8} = Rm;
2176 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2177 MulFrm /* for convenience */, NoItinerary, "usada8",
2178 "\t$Rd, $Rn, $Rm, $Ra", []>,
2179 Requires<[IsARM, HasV6]> {
2184 let Inst{27-20} = 0b01111000;
2185 let Inst{7-4} = 0b0001;
2186 let Inst{19-16} = Rd;
2187 let Inst{15-12} = Ra;
2188 let Inst{11-8} = Rm;
2192 // Signed/Unsigned saturate -- for disassembly only
2194 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2195 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2196 [/* For disassembly only; pattern left blank */]> {
2201 let Inst{27-21} = 0b0110101;
2202 let Inst{5-4} = 0b01;
2203 let Inst{20-16} = sat_imm;
2204 let Inst{15-12} = Rd;
2205 let Inst{11-7} = sh{7-3};
2206 let Inst{6} = sh{0};
2210 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2211 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2212 [/* For disassembly only; pattern left blank */]> {
2216 let Inst{27-20} = 0b01101010;
2217 let Inst{11-4} = 0b11110011;
2218 let Inst{15-12} = Rd;
2219 let Inst{19-16} = sat_imm;
2223 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2224 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2225 [/* For disassembly only; pattern left blank */]> {
2230 let Inst{27-21} = 0b0110111;
2231 let Inst{5-4} = 0b01;
2232 let Inst{15-12} = Rd;
2233 let Inst{11-7} = sh{7-3};
2234 let Inst{6} = sh{0};
2235 let Inst{20-16} = sat_imm;
2239 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2240 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2241 [/* For disassembly only; pattern left blank */]> {
2245 let Inst{27-20} = 0b01101110;
2246 let Inst{11-4} = 0b11110011;
2247 let Inst{15-12} = Rd;
2248 let Inst{19-16} = sat_imm;
2252 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2253 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2255 //===----------------------------------------------------------------------===//
2256 // Bitwise Instructions.
2259 defm AND : AsI1_bin_irs<0b0000, "and",
2260 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2261 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2262 defm ORR : AsI1_bin_irs<0b1100, "orr",
2263 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2264 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2265 defm EOR : AsI1_bin_irs<0b0001, "eor",
2266 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2267 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2268 defm BIC : AsI1_bin_irs<0b1110, "bic",
2269 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2270 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2272 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2273 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2274 "bfc", "\t$Rd, $imm", "$src = $Rd",
2275 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2276 Requires<[IsARM, HasV6T2]> {
2279 let Inst{27-21} = 0b0111110;
2280 let Inst{6-0} = 0b0011111;
2281 let Inst{15-12} = Rd;
2282 let Inst{11-7} = imm{4-0}; // lsb
2283 let Inst{20-16} = imm{9-5}; // width
2286 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2287 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2288 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2289 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2290 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2291 bf_inv_mask_imm:$imm))]>,
2292 Requires<[IsARM, HasV6T2]> {
2296 let Inst{27-21} = 0b0111110;
2297 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2298 let Inst{15-12} = Rd;
2299 let Inst{11-7} = imm{4-0}; // lsb
2300 let Inst{20-16} = imm{9-5}; // width
2304 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2305 "mvn", "\t$Rd, $Rm",
2306 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2310 let Inst{19-16} = 0b0000;
2311 let Inst{11-4} = 0b00000000;
2312 let Inst{15-12} = Rd;
2315 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2316 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2317 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2322 let Inst{19-16} = 0b0000;
2323 let Inst{15-12} = Rd;
2324 let Inst{11-0} = shift;
2326 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2327 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2328 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2329 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2334 let Inst{19-16} = 0b0000;
2335 let Inst{15-12} = Rd;
2336 let Inst{11-0} = imm;
2339 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2340 (BICri GPR:$src, so_imm_not:$imm)>;
2342 //===----------------------------------------------------------------------===//
2343 // Multiply Instructions.
2345 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2346 string opc, string asm, list<dag> pattern>
2347 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2351 let Inst{19-16} = Rd;
2352 let Inst{11-8} = Rm;
2355 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2356 string opc, string asm, list<dag> pattern>
2357 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2362 let Inst{19-16} = RdHi;
2363 let Inst{15-12} = RdLo;
2364 let Inst{11-8} = Rm;
2368 let isCommutable = 1 in
2369 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2370 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2371 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2373 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2374 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2375 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2377 let Inst{15-12} = Ra;
2380 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2381 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2382 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2383 Requires<[IsARM, HasV6T2]> {
2387 let Inst{19-16} = Rd;
2388 let Inst{11-8} = Rm;
2392 // Extra precision multiplies with low / high results
2394 let neverHasSideEffects = 1 in {
2395 let isCommutable = 1 in {
2396 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2397 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2398 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2400 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2401 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2402 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2405 // Multiply + accumulate
2406 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2407 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2408 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2410 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2411 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2412 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2414 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2415 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2416 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2417 Requires<[IsARM, HasV6]> {
2422 let Inst{19-16} = RdLo;
2423 let Inst{15-12} = RdHi;
2424 let Inst{11-8} = Rm;
2427 } // neverHasSideEffects
2429 // Most significant word multiply
2430 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2431 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2432 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2433 Requires<[IsARM, HasV6]> {
2434 let Inst{15-12} = 0b1111;
2437 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2438 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2439 [/* For disassembly only; pattern left blank */]>,
2440 Requires<[IsARM, HasV6]> {
2441 let Inst{15-12} = 0b1111;
2444 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2445 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2446 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2447 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2448 Requires<[IsARM, HasV6]>;
2450 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2451 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2452 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2453 [/* For disassembly only; pattern left blank */]>,
2454 Requires<[IsARM, HasV6]>;
2456 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2457 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2458 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2459 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2460 Requires<[IsARM, HasV6]>;
2462 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2463 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2464 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2465 [/* For disassembly only; pattern left blank */]>,
2466 Requires<[IsARM, HasV6]>;
2468 multiclass AI_smul<string opc, PatFrag opnode> {
2469 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2470 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2471 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2472 (sext_inreg GPR:$Rm, i16)))]>,
2473 Requires<[IsARM, HasV5TE]>;
2475 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2476 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2477 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2478 (sra GPR:$Rm, (i32 16))))]>,
2479 Requires<[IsARM, HasV5TE]>;
2481 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2482 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2483 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2484 (sext_inreg GPR:$Rm, i16)))]>,
2485 Requires<[IsARM, HasV5TE]>;
2487 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2488 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2489 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2490 (sra GPR:$Rm, (i32 16))))]>,
2491 Requires<[IsARM, HasV5TE]>;
2493 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2494 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2495 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2496 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2497 Requires<[IsARM, HasV5TE]>;
2499 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2500 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2501 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2502 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2503 Requires<[IsARM, HasV5TE]>;
2507 multiclass AI_smla<string opc, PatFrag opnode> {
2508 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2509 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2510 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2511 [(set GPR:$Rd, (add GPR:$Ra,
2512 (opnode (sext_inreg GPR:$Rn, i16),
2513 (sext_inreg GPR:$Rm, i16))))]>,
2514 Requires<[IsARM, HasV5TE]>;
2516 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2517 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2518 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2519 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2520 (sra GPR:$Rm, (i32 16)))))]>,
2521 Requires<[IsARM, HasV5TE]>;
2523 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2524 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2525 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2526 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2527 (sext_inreg GPR:$Rm, i16))))]>,
2528 Requires<[IsARM, HasV5TE]>;
2530 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2531 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2532 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2533 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2534 (sra GPR:$Rm, (i32 16)))))]>,
2535 Requires<[IsARM, HasV5TE]>;
2537 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2538 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2539 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2540 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2541 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2542 Requires<[IsARM, HasV5TE]>;
2544 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2545 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2546 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2547 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2548 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2549 Requires<[IsARM, HasV5TE]>;
2552 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2553 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2555 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2556 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2557 (ins GPR:$Rn, GPR:$Rm),
2558 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2559 [/* For disassembly only; pattern left blank */]>,
2560 Requires<[IsARM, HasV5TE]>;
2562 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2563 (ins GPR:$Rn, GPR:$Rm),
2564 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2565 [/* For disassembly only; pattern left blank */]>,
2566 Requires<[IsARM, HasV5TE]>;
2568 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2569 (ins GPR:$Rn, GPR:$Rm),
2570 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2571 [/* For disassembly only; pattern left blank */]>,
2572 Requires<[IsARM, HasV5TE]>;
2574 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2575 (ins GPR:$Rn, GPR:$Rm),
2576 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2577 [/* For disassembly only; pattern left blank */]>,
2578 Requires<[IsARM, HasV5TE]>;
2580 // Helper class for AI_smld -- for disassembly only
2581 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2582 InstrItinClass itin, string opc, string asm>
2583 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2590 let Inst{21-20} = 0b00;
2591 let Inst{22} = long;
2592 let Inst{27-23} = 0b01110;
2593 let Inst{11-8} = Rm;
2596 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2597 InstrItinClass itin, string opc, string asm>
2598 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2600 let Inst{15-12} = 0b1111;
2601 let Inst{19-16} = Rd;
2603 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2604 InstrItinClass itin, string opc, string asm>
2605 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2607 let Inst{15-12} = Ra;
2609 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2610 InstrItinClass itin, string opc, string asm>
2611 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2614 let Inst{19-16} = RdHi;
2615 let Inst{15-12} = RdLo;
2618 multiclass AI_smld<bit sub, string opc> {
2620 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2621 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2623 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2624 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2626 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2627 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2628 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2630 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2631 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2632 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2636 defm SMLA : AI_smld<0, "smla">;
2637 defm SMLS : AI_smld<1, "smls">;
2639 multiclass AI_sdml<bit sub, string opc> {
2641 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2642 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2643 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2644 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2647 defm SMUA : AI_sdml<0, "smua">;
2648 defm SMUS : AI_sdml<1, "smus">;
2650 //===----------------------------------------------------------------------===//
2651 // Misc. Arithmetic Instructions.
2654 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2655 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2656 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2658 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2659 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2660 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2661 Requires<[IsARM, HasV6T2]>;
2663 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2664 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2665 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2667 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2668 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2670 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2671 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2672 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2673 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2674 Requires<[IsARM, HasV6]>;
2676 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2677 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2680 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2681 (shl GPR:$Rm, (i32 8))), i16))]>,
2682 Requires<[IsARM, HasV6]>;
2684 def lsl_shift_imm : SDNodeXForm<imm, [{
2685 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2686 return CurDAG->getTargetConstant(Sh, MVT::i32);
2689 def lsl_amt : PatLeaf<(i32 imm), [{
2690 return (N->getZExtValue() < 32);
2693 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2694 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2695 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2696 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2697 (and (shl GPR:$Rm, lsl_amt:$sh),
2699 Requires<[IsARM, HasV6]>;
2701 // Alternate cases for PKHBT where identities eliminate some nodes.
2702 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2703 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2704 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2705 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2707 def asr_shift_imm : SDNodeXForm<imm, [{
2708 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2709 return CurDAG->getTargetConstant(Sh, MVT::i32);
2712 def asr_amt : PatLeaf<(i32 imm), [{
2713 return (N->getZExtValue() <= 32);
2716 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2717 // will match the pattern below.
2718 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2719 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2720 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2721 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2722 (and (sra GPR:$Rm, asr_amt:$sh),
2724 Requires<[IsARM, HasV6]>;
2726 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2727 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2728 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2729 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2730 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2731 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2732 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2734 //===----------------------------------------------------------------------===//
2735 // Comparison Instructions...
2738 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2739 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2740 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2742 // FIXME: We have to be careful when using the CMN instruction and comparison
2743 // with 0. One would expect these two pieces of code should give identical
2759 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2760 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2761 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2762 // value of r0 and the carry bit (because the "carry bit" parameter to
2763 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2764 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2765 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2766 // parameter to AddWithCarry is defined as 0).
2768 // When x is 0 and unsigned:
2772 // ~x + 1 = 0x1 0000 0000
2773 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2775 // Therefore, we should disable CMN when comparing against zero, until we can
2776 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2777 // when it's a comparison which doesn't look at the 'carry' flag).
2779 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2781 // This is related to <rdar://problem/7569620>.
2783 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2784 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2786 // Note that TST/TEQ don't set all the same flags that CMP does!
2787 defm TST : AI1_cmp_irs<0b1000, "tst",
2788 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2789 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2790 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2791 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2792 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2794 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2795 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2796 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2797 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2798 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2799 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2801 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2802 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2804 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2805 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2807 // Pseudo i64 compares for some floating point compares.
2808 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2810 def BCCi64 : PseudoInst<(outs),
2811 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2813 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2815 def BCCZi64 : PseudoInst<(outs),
2816 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2817 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2818 } // usesCustomInserter
2821 // Conditional moves
2822 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2823 // a two-value operand where a dag node expects two operands. :(
2824 // FIXME: These should all be pseudo-instructions that get expanded to
2825 // the normal MOV instructions. That would fix the dependency on
2826 // special casing them in tblgen.
2827 let neverHasSideEffects = 1 in {
2828 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2829 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2830 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2831 RegConstraint<"$false = $Rd">, UnaryDP {
2836 let Inst{15-12} = Rd;
2837 let Inst{11-4} = 0b00000000;
2841 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2842 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2843 "mov", "\t$Rd, $shift",
2844 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2845 RegConstraint<"$false = $Rd">, UnaryDP {
2851 let Inst{19-16} = Rn;
2852 let Inst{15-12} = Rd;
2853 let Inst{11-0} = shift;
2856 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
2858 "movw", "\t$Rd, $imm",
2860 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
2866 let Inst{19-16} = imm{15-12};
2867 let Inst{15-12} = Rd;
2868 let Inst{11-0} = imm{11-0};
2871 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
2872 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2873 "mov", "\t$Rd, $imm",
2874 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
2875 RegConstraint<"$false = $Rd">, UnaryDP {
2880 let Inst{19-16} = 0b0000;
2881 let Inst{15-12} = Rd;
2882 let Inst{11-0} = imm;
2884 } // neverHasSideEffects
2886 //===----------------------------------------------------------------------===//
2887 // Atomic operations intrinsics
2890 // memory barriers protect the atomic sequences
2891 let hasSideEffects = 1 in {
2892 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2893 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2894 let Inst{31-4} = 0xf57ff05;
2895 // FIXME: add support for options other than a full system DMB
2896 // See DMB disassembly-only variants below.
2897 let Inst{3-0} = 0b1111;
2900 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2901 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2902 let Inst{31-4} = 0xf57ff04;
2903 // FIXME: add support for options other than a full system DSB
2904 // See DSB disassembly-only variants below.
2905 let Inst{3-0} = 0b1111;
2908 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2909 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2910 [(ARMMemBarrierMCR GPR:$zero)]>,
2911 Requires<[IsARM, HasV6]> {
2912 // FIXME: add support for options other than a full system DMB
2913 // FIXME: add encoding
2916 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2917 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2918 [(ARMSyncBarrierMCR GPR:$zero)]>,
2919 Requires<[IsARM, HasV6]> {
2920 // FIXME: add support for options other than a full system DSB
2921 // FIXME: add encoding
2925 // Memory Barrier Operations Variants -- for disassembly only
2927 def memb_opt : Operand<i32> {
2928 let PrintMethod = "printMemBOption";
2931 class AMBI<bits<4> op7_4, string opc>
2932 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2933 [/* For disassembly only; pattern left blank */]>,
2934 Requires<[IsARM, HasDB]> {
2935 let Inst{31-8} = 0xf57ff0;
2936 let Inst{7-4} = op7_4;
2939 // These DMB variants are for disassembly only.
2940 def DMBvar : AMBI<0b0101, "dmb">;
2942 // These DSB variants are for disassembly only.
2943 def DSBvar : AMBI<0b0100, "dsb">;
2945 // ISB has only full system option -- for disassembly only
2946 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2947 Requires<[IsARM, HasDB]> {
2948 let Inst{31-4} = 0xf57ff06;
2949 let Inst{3-0} = 0b1111;
2952 let usesCustomInserter = 1 in {
2953 let Uses = [CPSR] in {
2954 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2955 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2956 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2957 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2958 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2959 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2960 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2961 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2962 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2963 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2964 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2965 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2966 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2967 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2968 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2969 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2970 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2971 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2972 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2973 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2974 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2975 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2976 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2977 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2978 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2979 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2980 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2981 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2982 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2983 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2984 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2985 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2986 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2987 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2988 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2989 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2990 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2991 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2992 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2993 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2994 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2995 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2996 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2997 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2998 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2999 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3000 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3001 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3002 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3003 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3004 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3005 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3006 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3007 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3009 def ATOMIC_SWAP_I8 : PseudoInst<
3010 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3011 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3012 def ATOMIC_SWAP_I16 : PseudoInst<
3013 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3014 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3015 def ATOMIC_SWAP_I32 : PseudoInst<
3016 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3017 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3019 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3020 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3021 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3022 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3023 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3024 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3025 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3026 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3027 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3031 let mayLoad = 1 in {
3032 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3033 "ldrexb", "\t$Rt, [$Rn]",
3035 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3036 "ldrexh", "\t$Rt, [$Rn]",
3038 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3039 "ldrex", "\t$Rt, [$Rn]",
3041 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3043 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3047 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3048 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3050 "strexb", "\t$Rd, $src, [$Rn]",
3052 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3054 "strexh", "\t$Rd, $Rt, [$Rn]",
3056 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3058 "strex", "\t$Rd, $Rt, [$Rn]",
3060 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3061 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3063 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3067 // Clear-Exclusive is for disassembly only.
3068 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3069 [/* For disassembly only; pattern left blank */]>,
3070 Requires<[IsARM, HasV7]> {
3071 let Inst{31-0} = 0b11110101011111111111000000011111;
3074 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3075 let mayLoad = 1 in {
3076 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3077 [/* For disassembly only; pattern left blank */]>;
3078 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3079 [/* For disassembly only; pattern left blank */]>;
3082 //===----------------------------------------------------------------------===//
3086 // __aeabi_read_tp preserves the registers r1-r3.
3087 // FIXME: This needs to be a pseudo of some sort so that we can get the
3088 // encoding right, complete with fixup for the aeabi_read_tp function.
3090 Defs = [R0, R12, LR, CPSR] in {
3091 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3092 "bl\t__aeabi_read_tp",
3093 [(set R0, ARMthread_pointer)]>;
3096 //===----------------------------------------------------------------------===//
3097 // SJLJ Exception handling intrinsics
3098 // eh_sjlj_setjmp() is an instruction sequence to store the return
3099 // address and save #0 in R0 for the non-longjmp case.
3100 // Since by its nature we may be coming from some other function to get
3101 // here, and we're using the stack frame for the containing function to
3102 // save/restore registers, we can't keep anything live in regs across
3103 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3104 // when we get here from a longjmp(). We force everthing out of registers
3105 // except for our own input by listing the relevant registers in Defs. By
3106 // doing so, we also cause the prologue/epilogue code to actively preserve
3107 // all of the callee-saved resgisters, which is exactly what we want.
3108 // A constant value is passed in $val, and we use the location as a scratch.
3110 // These are pseudo-instructions and are lowered to individual MC-insts, so
3111 // no encoding information is necessary.
3113 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3114 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3115 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3116 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3117 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3118 AddrModeNone, SizeSpecial, IndexModeNone,
3119 Pseudo, NoItinerary, "", "",
3120 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3121 Requires<[IsARM, HasVFP2]>;
3125 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3126 hasSideEffects = 1, isBarrier = 1 in {
3127 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3128 AddrModeNone, SizeSpecial, IndexModeNone,
3129 Pseudo, NoItinerary, "", "",
3130 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3131 Requires<[IsARM, NoVFP]>;
3134 // FIXME: Non-Darwin version(s)
3135 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3136 Defs = [ R7, LR, SP ] in {
3137 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3138 AddrModeNone, SizeSpecial, IndexModeNone,
3139 Pseudo, NoItinerary, "", "",
3140 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3141 Requires<[IsARM, IsDarwin]>;
3144 // eh.sjlj.dispatchsetup pseudo-instruction.
3145 // This pseudo is usef for ARM, Thumb1 and Thumb2. Any differences are
3146 // handled when the pseudo is expanded (which happens before any passes
3147 // that need the instruction size).
3148 let isBarrier = 1, hasSideEffects = 1 in
3149 def Int_eh_sjlj_dispatchsetup :
3150 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3151 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3152 Requires<[IsDarwin]>;
3154 //===----------------------------------------------------------------------===//
3155 // Non-Instruction Patterns
3158 // Large immediate handling.
3160 // Two piece so_imms.
3161 // FIXME: Expand this in ARMExpandPseudoInsts.
3162 // FIXME: Remove this when we can do generalized remat.
3163 let isReMaterializable = 1 in
3164 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
3165 Pseudo, IIC_iMOVix2,
3166 "mov", "\t$dst, $src",
3167 [(set GPR:$dst, so_imm2part:$src)]>,
3168 Requires<[IsARM, NoV6T2]>;
3170 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3171 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3172 (so_imm2part_2 imm:$RHS))>;
3173 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3174 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3175 (so_imm2part_2 imm:$RHS))>;
3176 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3177 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3178 (so_imm2part_2 imm:$RHS))>;
3179 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3180 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3181 (so_neg_imm2part_2 imm:$RHS))>;
3183 // 32-bit immediate using movw + movt.
3184 // This is a single pseudo instruction, the benefit is that it can be remat'd
3185 // as a single unit instead of having to handle reg inputs.
3186 // FIXME: Remove this when we can do generalized remat.
3187 let isReMaterializable = 1 in
3188 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3189 [(set GPR:$dst, (i32 imm:$src))]>,
3190 Requires<[IsARM, HasV6T2]>;
3192 // ConstantPool, GlobalAddress, and JumpTable
3193 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3194 Requires<[IsARM, DontUseMovt]>;
3195 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3196 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3197 Requires<[IsARM, UseMovt]>;
3198 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3199 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3201 // TODO: add,sub,and, 3-instr forms?
3204 def : ARMPat<(ARMtcret tcGPR:$dst),
3205 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3207 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3208 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3210 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3211 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3213 def : ARMPat<(ARMtcret tcGPR:$dst),
3214 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3216 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3217 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3219 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3220 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3223 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3224 Requires<[IsARM, IsNotDarwin]>;
3225 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3226 Requires<[IsARM, IsDarwin]>;
3228 // zextload i1 -> zextload i8
3229 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3230 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3232 // extload -> zextload
3233 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3234 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3235 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3236 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3238 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3240 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3241 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3244 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3245 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3246 (SMULBB GPR:$a, GPR:$b)>;
3247 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3248 (SMULBB GPR:$a, GPR:$b)>;
3249 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3250 (sra GPR:$b, (i32 16))),
3251 (SMULBT GPR:$a, GPR:$b)>;
3252 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3253 (SMULBT GPR:$a, GPR:$b)>;
3254 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3255 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3256 (SMULTB GPR:$a, GPR:$b)>;
3257 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3258 (SMULTB GPR:$a, GPR:$b)>;
3259 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3261 (SMULWB GPR:$a, GPR:$b)>;
3262 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3263 (SMULWB GPR:$a, GPR:$b)>;
3265 def : ARMV5TEPat<(add GPR:$acc,
3266 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3267 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3268 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3269 def : ARMV5TEPat<(add GPR:$acc,
3270 (mul sext_16_node:$a, sext_16_node:$b)),
3271 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3272 def : ARMV5TEPat<(add GPR:$acc,
3273 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3274 (sra GPR:$b, (i32 16)))),
3275 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3276 def : ARMV5TEPat<(add GPR:$acc,
3277 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3278 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3279 def : ARMV5TEPat<(add GPR:$acc,
3280 (mul (sra GPR:$a, (i32 16)),
3281 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3282 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3283 def : ARMV5TEPat<(add GPR:$acc,
3284 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3285 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3286 def : ARMV5TEPat<(add GPR:$acc,
3287 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3289 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3290 def : ARMV5TEPat<(add GPR:$acc,
3291 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3292 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3294 //===----------------------------------------------------------------------===//
3298 include "ARMInstrThumb.td"
3300 //===----------------------------------------------------------------------===//
3304 include "ARMInstrThumb2.td"
3306 //===----------------------------------------------------------------------===//
3307 // Floating Point Support
3310 include "ARMInstrVFP.td"
3312 //===----------------------------------------------------------------------===//
3313 // Advanced SIMD (NEON) Support
3316 include "ARMInstrNEON.td"
3318 //===----------------------------------------------------------------------===//
3319 // Coprocessor Instructions. For disassembly only.
3322 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3323 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3324 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3325 [/* For disassembly only; pattern left blank */]> {
3329 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3330 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3331 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3332 [/* For disassembly only; pattern left blank */]> {
3333 let Inst{31-28} = 0b1111;
3337 class ACI<dag oops, dag iops, string opc, string asm>
3338 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3339 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3340 let Inst{27-25} = 0b110;
3343 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3345 def _OFFSET : ACI<(outs),
3346 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3347 opc, "\tp$cop, cr$CRd, $addr"> {
3348 let Inst{31-28} = op31_28;
3349 let Inst{24} = 1; // P = 1
3350 let Inst{21} = 0; // W = 0
3351 let Inst{22} = 0; // D = 0
3352 let Inst{20} = load;
3355 def _PRE : ACI<(outs),
3356 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3357 opc, "\tp$cop, cr$CRd, $addr!"> {
3358 let Inst{31-28} = op31_28;
3359 let Inst{24} = 1; // P = 1
3360 let Inst{21} = 1; // W = 1
3361 let Inst{22} = 0; // D = 0
3362 let Inst{20} = load;
3365 def _POST : ACI<(outs),
3366 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3367 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3368 let Inst{31-28} = op31_28;
3369 let Inst{24} = 0; // P = 0
3370 let Inst{21} = 1; // W = 1
3371 let Inst{22} = 0; // D = 0
3372 let Inst{20} = load;
3375 def _OPTION : ACI<(outs),
3376 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3377 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3378 let Inst{31-28} = op31_28;
3379 let Inst{24} = 0; // P = 0
3380 let Inst{23} = 1; // U = 1
3381 let Inst{21} = 0; // W = 0
3382 let Inst{22} = 0; // D = 0
3383 let Inst{20} = load;
3386 def L_OFFSET : ACI<(outs),
3387 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3388 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3389 let Inst{31-28} = op31_28;
3390 let Inst{24} = 1; // P = 1
3391 let Inst{21} = 0; // W = 0
3392 let Inst{22} = 1; // D = 1
3393 let Inst{20} = load;
3396 def L_PRE : ACI<(outs),
3397 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3398 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3399 let Inst{31-28} = op31_28;
3400 let Inst{24} = 1; // P = 1
3401 let Inst{21} = 1; // W = 1
3402 let Inst{22} = 1; // D = 1
3403 let Inst{20} = load;
3406 def L_POST : ACI<(outs),
3407 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3408 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3409 let Inst{31-28} = op31_28;
3410 let Inst{24} = 0; // P = 0
3411 let Inst{21} = 1; // W = 1
3412 let Inst{22} = 1; // D = 1
3413 let Inst{20} = load;
3416 def L_OPTION : ACI<(outs),
3417 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3418 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3419 let Inst{31-28} = op31_28;
3420 let Inst{24} = 0; // P = 0
3421 let Inst{23} = 1; // U = 1
3422 let Inst{21} = 0; // W = 0
3423 let Inst{22} = 1; // D = 1
3424 let Inst{20} = load;
3428 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3429 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3430 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3431 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3433 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3434 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3435 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3436 [/* For disassembly only; pattern left blank */]> {
3441 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3442 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3443 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3444 [/* For disassembly only; pattern left blank */]> {
3445 let Inst{31-28} = 0b1111;
3450 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3451 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3452 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3453 [/* For disassembly only; pattern left blank */]> {
3458 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3459 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3460 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3461 [/* For disassembly only; pattern left blank */]> {
3462 let Inst{31-28} = 0b1111;
3467 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3468 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3469 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3470 [/* For disassembly only; pattern left blank */]> {
3471 let Inst{23-20} = 0b0100;
3474 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3475 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3476 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3477 [/* For disassembly only; pattern left blank */]> {
3478 let Inst{31-28} = 0b1111;
3479 let Inst{23-20} = 0b0100;
3482 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3483 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3484 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3485 [/* For disassembly only; pattern left blank */]> {
3486 let Inst{23-20} = 0b0101;
3489 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3490 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3491 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3492 [/* For disassembly only; pattern left blank */]> {
3493 let Inst{31-28} = 0b1111;
3494 let Inst{23-20} = 0b0101;
3497 //===----------------------------------------------------------------------===//
3498 // Move between special register and ARM core register -- for disassembly only
3501 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3502 [/* For disassembly only; pattern left blank */]> {
3503 let Inst{23-20} = 0b0000;
3504 let Inst{7-4} = 0b0000;
3507 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3508 [/* For disassembly only; pattern left blank */]> {
3509 let Inst{23-20} = 0b0100;
3510 let Inst{7-4} = 0b0000;
3513 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3514 "msr", "\tcpsr$mask, $src",
3515 [/* For disassembly only; pattern left blank */]> {
3516 let Inst{23-20} = 0b0010;
3517 let Inst{7-4} = 0b0000;
3520 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3521 "msr", "\tcpsr$mask, $a",
3522 [/* For disassembly only; pattern left blank */]> {
3523 let Inst{23-20} = 0b0010;
3524 let Inst{7-4} = 0b0000;
3527 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3528 "msr", "\tspsr$mask, $src",
3529 [/* For disassembly only; pattern left blank */]> {
3530 let Inst{23-20} = 0b0110;
3531 let Inst{7-4} = 0b0000;
3534 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3535 "msr", "\tspsr$mask, $a",
3536 [/* For disassembly only; pattern left blank */]> {
3537 let Inst{23-20} = 0b0110;
3538 let Inst{7-4} = 0b0000;