1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
74 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
75 [SDNPHasChain, SDNPOutFlag]>;
76 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
77 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
79 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
82 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
89 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
90 [SDNPHasChain, SDNPOptInFlag]>;
92 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
94 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
97 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
100 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
102 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
105 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
108 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
111 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
112 [SDNPOutFlag, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
120 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
121 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
122 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
123 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
124 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
126 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
129 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
131 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
133 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
134 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
136 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
138 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
139 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
142 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
144 //===----------------------------------------------------------------------===//
145 // ARM Instruction Predicate Definitions.
147 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
148 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
149 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
150 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
151 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
152 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
153 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
154 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
155 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
156 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
157 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
158 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
159 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
160 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
162 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
164 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
166 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
167 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
168 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
169 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
170 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
171 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
172 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
173 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
175 // FIXME: Eventually this will be just "hasV6T2Ops".
176 def UseMovt : Predicate<"Subtarget->useMovt()">;
177 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
178 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
180 //===----------------------------------------------------------------------===//
181 // ARM Flag Definitions.
183 class RegConstraint<string C> {
184 string Constraints = C;
187 //===----------------------------------------------------------------------===//
188 // ARM specific transformation functions and pattern fragments.
191 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
192 // so_imm_neg def below.
193 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
194 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
197 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
198 // so_imm_not def below.
199 def so_imm_not_XFORM : SDNodeXForm<imm, [{
200 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
203 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
204 def imm1_15 : PatLeaf<(i32 imm), [{
205 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
208 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
209 def imm16_31 : PatLeaf<(i32 imm), [{
210 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
215 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
216 }], so_imm_neg_XFORM>;
220 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
221 }], so_imm_not_XFORM>;
223 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
224 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
225 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
228 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
230 def bf_inv_mask_imm : Operand<i32>,
232 return ARM::isBitFieldInvertedMask(N->getZExtValue());
234 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
235 let PrintMethod = "printBitfieldInvMaskImmOperand";
238 /// Split a 32-bit immediate into two 16 bit parts.
239 def hi16 : SDNodeXForm<imm, [{
240 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
243 def lo16AllZero : PatLeaf<(i32 imm), [{
244 // Returns true if all low 16-bits are 0.
245 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
248 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
250 def imm0_65535 : PatLeaf<(i32 imm), [{
251 return (uint32_t)N->getZExtValue() < 65536;
254 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
255 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
257 /// adde and sube predicates - True based on whether the carry flag output
258 /// will be needed or not.
259 def adde_dead_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
261 [{return !N->hasAnyUseOfValue(1);}]>;
262 def sube_dead_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
264 [{return !N->hasAnyUseOfValue(1);}]>;
265 def adde_live_carry :
266 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
267 [{return N->hasAnyUseOfValue(1);}]>;
268 def sube_live_carry :
269 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
270 [{return N->hasAnyUseOfValue(1);}]>;
272 // An 'and' node with a single use.
273 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
274 return N->hasOneUse();
277 // An 'xor' node with a single use.
278 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
279 return N->hasOneUse();
282 //===----------------------------------------------------------------------===//
283 // Operand Definitions.
287 def brtarget : Operand<OtherVT> {
288 let EncoderMethod = "getBranchTargetOpValue";
292 def bltarget : Operand<i32> {
293 // Encoded the same as branch targets.
294 let EncoderMethod = "getBranchTargetOpValue";
297 // A list of registers separated by comma. Used by load/store multiple.
298 def RegListAsmOperand : AsmOperandClass {
299 let Name = "RegList";
300 let SuperClasses = [];
303 def DPRRegListAsmOperand : AsmOperandClass {
304 let Name = "DPRRegList";
305 let SuperClasses = [];
308 def SPRRegListAsmOperand : AsmOperandClass {
309 let Name = "SPRRegList";
310 let SuperClasses = [];
313 def reglist : Operand<i32> {
314 let EncoderMethod = "getRegisterListOpValue";
315 let ParserMatchClass = RegListAsmOperand;
316 let PrintMethod = "printRegisterList";
319 def dpr_reglist : Operand<i32> {
320 let EncoderMethod = "getRegisterListOpValue";
321 let ParserMatchClass = DPRRegListAsmOperand;
322 let PrintMethod = "printRegisterList";
325 def spr_reglist : Operand<i32> {
326 let EncoderMethod = "getRegisterListOpValue";
327 let ParserMatchClass = SPRRegListAsmOperand;
328 let PrintMethod = "printRegisterList";
331 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
332 def cpinst_operand : Operand<i32> {
333 let PrintMethod = "printCPInstOperand";
337 def pclabel : Operand<i32> {
338 let PrintMethod = "printPCLabel";
341 def neon_vcvt_imm32 : Operand<i32> {
342 let EncoderMethod = "getNEONVcvtImm32OpValue";
345 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
346 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
347 int32_t v = (int32_t)N->getZExtValue();
348 return v == 8 || v == 16 || v == 24; }]> {
349 let EncoderMethod = "getRotImmOpValue";
352 // shift_imm: An integer that encodes a shift amount and the type of shift
353 // (currently either asr or lsl) using the same encoding used for the
354 // immediates in so_reg operands.
355 def shift_imm : Operand<i32> {
356 let PrintMethod = "printShiftImmOperand";
359 // shifter_operand operands: so_reg and so_imm.
360 def so_reg : Operand<i32>, // reg reg imm
361 ComplexPattern<i32, 3, "SelectShifterOperandReg",
362 [shl,srl,sra,rotr]> {
363 let EncoderMethod = "getSORegOpValue";
364 let PrintMethod = "printSORegOperand";
365 let MIOperandInfo = (ops GPR, GPR, i32imm);
367 def shift_so_reg : Operand<i32>, // reg reg imm
368 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
369 [shl,srl,sra,rotr]> {
370 let EncoderMethod = "getSORegOpValue";
371 let PrintMethod = "printSORegOperand";
372 let MIOperandInfo = (ops GPR, GPR, i32imm);
375 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
376 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
377 // represented in the imm field in the same 12-bit form that they are encoded
378 // into so_imm instructions: the 8-bit immediate is the least significant bits
379 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
380 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
381 let EncoderMethod = "getSOImmOpValue";
382 let PrintMethod = "printSOImmOperand";
385 // Break so_imm's up into two pieces. This handles immediates with up to 16
386 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
387 // get the first/second pieces.
388 def so_imm2part : PatLeaf<(imm), [{
389 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
392 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
394 def arm_i32imm : PatLeaf<(imm), [{
395 if (Subtarget->hasV6T2Ops())
397 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
400 def so_imm2part_1 : SDNodeXForm<imm, [{
401 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
402 return CurDAG->getTargetConstant(V, MVT::i32);
405 def so_imm2part_2 : SDNodeXForm<imm, [{
406 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
407 return CurDAG->getTargetConstant(V, MVT::i32);
410 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
411 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
413 let PrintMethod = "printSOImm2PartOperand";
416 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
417 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
418 return CurDAG->getTargetConstant(V, MVT::i32);
421 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
422 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
423 return CurDAG->getTargetConstant(V, MVT::i32);
426 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
427 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
428 return (int32_t)N->getZExtValue() < 32;
431 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
432 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
433 return (int32_t)N->getZExtValue() < 32;
435 let EncoderMethod = "getImmMinusOneOpValue";
438 // For movt/movw - sets the MC Encoder method.
439 // The imm is split into imm{15-12}, imm{11-0}
441 def movt_imm : Operand<i32> {
442 let EncoderMethod = "getMovtImmOpValue";
445 // Define ARM specific addressing modes.
448 // addrmode_imm12 := reg +/- imm12
450 def addrmode_imm12 : Operand<i32>,
451 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
452 // 12-bit immediate operand. Note that instructions using this encode
453 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
454 // immediate values are as normal.
456 let EncoderMethod = "getAddrModeImm12OpValue";
457 let PrintMethod = "printAddrModeImm12Operand";
458 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
460 // ldst_so_reg := reg +/- reg shop imm
462 def ldst_so_reg : Operand<i32>,
463 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
464 let EncoderMethod = "getLdStSORegOpValue";
465 // FIXME: Simplify the printer
466 let PrintMethod = "printAddrMode2Operand";
467 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
470 // addrmode2 := reg +/- imm12
471 // := reg +/- reg shop imm
473 def addrmode2 : Operand<i32>,
474 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
475 string EncoderMethod = "getAddrMode2OpValue";
476 let PrintMethod = "printAddrMode2Operand";
477 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
480 def am2offset : Operand<i32>,
481 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
482 [], [SDNPWantRoot]> {
483 string EncoderMethod = "getAddrMode2OffsetOpValue";
484 let PrintMethod = "printAddrMode2OffsetOperand";
485 let MIOperandInfo = (ops GPR, i32imm);
488 // addrmode3 := reg +/- reg
489 // addrmode3 := reg +/- imm8
491 def addrmode3 : Operand<i32>,
492 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
493 let EncoderMethod = "getAddrMode3OpValue";
494 let PrintMethod = "printAddrMode3Operand";
495 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
498 def am3offset : Operand<i32>,
499 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
500 [], [SDNPWantRoot]> {
501 let EncoderMethod = "getAddrMode3OffsetOpValue";
502 let PrintMethod = "printAddrMode3OffsetOperand";
503 let MIOperandInfo = (ops GPR, i32imm);
506 // ldstm_mode := {ia, ib, da, db}
508 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
509 let EncoderMethod = "getLdStmModeOpValue";
510 let PrintMethod = "printLdStmModeOperand";
513 def MemMode5AsmOperand : AsmOperandClass {
514 let Name = "MemMode5";
515 let SuperClasses = [];
518 // addrmode5 := reg +/- imm8*4
520 def addrmode5 : Operand<i32>,
521 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
522 let PrintMethod = "printAddrMode5Operand";
523 let MIOperandInfo = (ops GPR:$base, i32imm);
524 let ParserMatchClass = MemMode5AsmOperand;
525 let EncoderMethod = "getAddrMode5OpValue";
528 // addrmode6 := reg with optional writeback
530 def addrmode6 : Operand<i32>,
531 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
532 let PrintMethod = "printAddrMode6Operand";
533 let MIOperandInfo = (ops GPR:$addr, i32imm);
534 let EncoderMethod = "getAddrMode6AddressOpValue";
537 def am6offset : Operand<i32> {
538 let PrintMethod = "printAddrMode6OffsetOperand";
539 let MIOperandInfo = (ops GPR);
540 let EncoderMethod = "getAddrMode6OffsetOpValue";
543 // Special version of addrmode6 to handle alignment encoding for VLD-dup
544 // instructions, specifically VLD4-dup.
545 def addrmode6dup : Operand<i32>,
546 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
547 let PrintMethod = "printAddrMode6Operand";
548 let MIOperandInfo = (ops GPR:$addr, i32imm);
549 let EncoderMethod = "getAddrMode6DupAddressOpValue";
552 // addrmodepc := pc + reg
554 def addrmodepc : Operand<i32>,
555 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
556 let PrintMethod = "printAddrModePCOperand";
557 let MIOperandInfo = (ops GPR, i32imm);
560 def nohash_imm : Operand<i32> {
561 let PrintMethod = "printNoHashImmediate";
564 //===----------------------------------------------------------------------===//
566 include "ARMInstrFormats.td"
568 //===----------------------------------------------------------------------===//
569 // Multiclass helpers...
572 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
573 /// binop that produces a value.
574 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
575 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
576 PatFrag opnode, bit Commutable = 0> {
577 // The register-immediate version is re-materializable. This is useful
578 // in particular for taking the address of a local.
579 let isReMaterializable = 1 in {
580 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
581 iii, opc, "\t$Rd, $Rn, $imm",
582 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
587 let Inst{19-16} = Rn;
588 let Inst{15-12} = Rd;
589 let Inst{11-0} = imm;
592 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
593 iir, opc, "\t$Rd, $Rn, $Rm",
594 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
599 let isCommutable = Commutable;
600 let Inst{19-16} = Rn;
601 let Inst{15-12} = Rd;
602 let Inst{11-4} = 0b00000000;
605 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
606 iis, opc, "\t$Rd, $Rn, $shift",
607 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
612 let Inst{19-16} = Rn;
613 let Inst{15-12} = Rd;
614 let Inst{11-0} = shift;
618 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
619 /// instruction modifies the CPSR register.
620 let Defs = [CPSR] in {
621 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
622 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
623 PatFrag opnode, bit Commutable = 0> {
624 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
625 iii, opc, "\t$Rd, $Rn, $imm",
626 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
632 let Inst{19-16} = Rn;
633 let Inst{15-12} = Rd;
634 let Inst{11-0} = imm;
636 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
637 iir, opc, "\t$Rd, $Rn, $Rm",
638 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
642 let isCommutable = Commutable;
645 let Inst{19-16} = Rn;
646 let Inst{15-12} = Rd;
647 let Inst{11-4} = 0b00000000;
650 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
651 iis, opc, "\t$Rd, $Rn, $shift",
652 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
658 let Inst{19-16} = Rn;
659 let Inst{15-12} = Rd;
660 let Inst{11-0} = shift;
665 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
666 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
667 /// a explicit result, only implicitly set CPSR.
668 let isCompare = 1, Defs = [CPSR] in {
669 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
670 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
671 PatFrag opnode, bit Commutable = 0> {
672 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
674 [(opnode GPR:$Rn, so_imm:$imm)]> {
679 let Inst{19-16} = Rn;
680 let Inst{15-12} = 0b0000;
681 let Inst{11-0} = imm;
683 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
685 [(opnode GPR:$Rn, GPR:$Rm)]> {
688 let isCommutable = Commutable;
691 let Inst{19-16} = Rn;
692 let Inst{15-12} = 0b0000;
693 let Inst{11-4} = 0b00000000;
696 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
697 opc, "\t$Rn, $shift",
698 [(opnode GPR:$Rn, so_reg:$shift)]> {
703 let Inst{19-16} = Rn;
704 let Inst{15-12} = 0b0000;
705 let Inst{11-0} = shift;
710 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
711 /// register and one whose operand is a register rotated by 8/16/24.
712 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
713 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
714 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
715 IIC_iEXTr, opc, "\t$Rd, $Rm",
716 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
717 Requires<[IsARM, HasV6]> {
720 let Inst{19-16} = 0b1111;
721 let Inst{15-12} = Rd;
722 let Inst{11-10} = 0b00;
725 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
726 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
727 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
728 Requires<[IsARM, HasV6]> {
732 let Inst{19-16} = 0b1111;
733 let Inst{15-12} = Rd;
734 let Inst{11-10} = rot;
739 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
740 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
741 IIC_iEXTr, opc, "\t$Rd, $Rm",
742 [/* For disassembly only; pattern left blank */]>,
743 Requires<[IsARM, HasV6]> {
744 let Inst{19-16} = 0b1111;
745 let Inst{11-10} = 0b00;
747 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
748 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
749 [/* For disassembly only; pattern left blank */]>,
750 Requires<[IsARM, HasV6]> {
752 let Inst{19-16} = 0b1111;
753 let Inst{11-10} = rot;
757 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
758 /// register and one whose operand is a register rotated by 8/16/24.
759 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
760 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
761 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
762 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
763 Requires<[IsARM, HasV6]> {
767 let Inst{19-16} = Rn;
768 let Inst{15-12} = Rd;
769 let Inst{11-10} = 0b00;
770 let Inst{9-4} = 0b000111;
773 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
775 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
776 [(set GPR:$Rd, (opnode GPR:$Rn,
777 (rotr GPR:$Rm, rot_imm:$rot)))]>,
778 Requires<[IsARM, HasV6]> {
783 let Inst{19-16} = Rn;
784 let Inst{15-12} = Rd;
785 let Inst{11-10} = rot;
786 let Inst{9-4} = 0b000111;
791 // For disassembly only.
792 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
793 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
794 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
795 [/* For disassembly only; pattern left blank */]>,
796 Requires<[IsARM, HasV6]> {
797 let Inst{11-10} = 0b00;
799 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
801 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
802 [/* For disassembly only; pattern left blank */]>,
803 Requires<[IsARM, HasV6]> {
806 let Inst{19-16} = Rn;
807 let Inst{11-10} = rot;
811 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
812 let Uses = [CPSR] in {
813 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
814 bit Commutable = 0> {
815 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
816 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
817 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
823 let Inst{15-12} = Rd;
824 let Inst{19-16} = Rn;
825 let Inst{11-0} = imm;
827 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
828 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
829 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
834 let Inst{11-4} = 0b00000000;
836 let isCommutable = Commutable;
838 let Inst{15-12} = Rd;
839 let Inst{19-16} = Rn;
841 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
842 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
843 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
849 let Inst{11-0} = shift;
850 let Inst{15-12} = Rd;
851 let Inst{19-16} = Rn;
854 // Carry setting variants
855 let Defs = [CPSR] in {
856 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
857 bit Commutable = 0> {
858 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
859 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
860 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
865 let Inst{15-12} = Rd;
866 let Inst{19-16} = Rn;
867 let Inst{11-0} = imm;
871 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
872 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
873 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
878 let Inst{11-4} = 0b00000000;
879 let isCommutable = Commutable;
881 let Inst{15-12} = Rd;
882 let Inst{19-16} = Rn;
886 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
887 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
888 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
893 let Inst{11-0} = shift;
894 let Inst{15-12} = Rd;
895 let Inst{19-16} = Rn;
903 let canFoldAsLoad = 1, isReMaterializable = 1 in {
904 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
905 InstrItinClass iir, PatFrag opnode> {
906 // Note: We use the complex addrmode_imm12 rather than just an input
907 // GPR and a constrained immediate so that we can use this to match
908 // frame index references and avoid matching constant pool references.
909 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
910 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
911 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
914 let Inst{23} = addr{12}; // U (add = ('U' == 1))
915 let Inst{19-16} = addr{16-13}; // Rn
916 let Inst{15-12} = Rt;
917 let Inst{11-0} = addr{11-0}; // imm12
919 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
920 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
921 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
924 let Inst{23} = shift{12}; // U (add = ('U' == 1))
925 let Inst{19-16} = shift{16-13}; // Rn
926 let Inst{15-12} = Rt;
927 let Inst{11-0} = shift{11-0};
932 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
933 InstrItinClass iir, PatFrag opnode> {
934 // Note: We use the complex addrmode_imm12 rather than just an input
935 // GPR and a constrained immediate so that we can use this to match
936 // frame index references and avoid matching constant pool references.
937 def i12 : AI2ldst<0b010, 0, isByte, (outs),
938 (ins GPR:$Rt, addrmode_imm12:$addr),
939 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
940 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
943 let Inst{23} = addr{12}; // U (add = ('U' == 1))
944 let Inst{19-16} = addr{16-13}; // Rn
945 let Inst{15-12} = Rt;
946 let Inst{11-0} = addr{11-0}; // imm12
948 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
949 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
950 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
953 let Inst{23} = shift{12}; // U (add = ('U' == 1))
954 let Inst{19-16} = shift{16-13}; // Rn
955 let Inst{15-12} = Rt;
956 let Inst{11-0} = shift{11-0};
959 //===----------------------------------------------------------------------===//
961 //===----------------------------------------------------------------------===//
963 //===----------------------------------------------------------------------===//
964 // Miscellaneous Instructions.
967 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
968 /// the function. The first operand is the ID# for this instruction, the second
969 /// is the index into the MachineConstantPool that this is, the third is the
970 /// size in bytes of this constant pool entry.
971 let neverHasSideEffects = 1, isNotDuplicable = 1 in
972 def CONSTPOOL_ENTRY :
973 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
974 i32imm:$size), NoItinerary, []>;
976 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
977 // from removing one half of the matched pairs. That breaks PEI, which assumes
978 // these will always be in pairs, and asserts if it finds otherwise. Better way?
979 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
981 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
982 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
984 def ADJCALLSTACKDOWN :
985 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
986 [(ARMcallseq_start timm:$amt)]>;
989 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
990 [/* For disassembly only; pattern left blank */]>,
991 Requires<[IsARM, HasV6T2]> {
992 let Inst{27-16} = 0b001100100000;
993 let Inst{15-8} = 0b11110000;
994 let Inst{7-0} = 0b00000000;
997 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
998 [/* For disassembly only; pattern left blank */]>,
999 Requires<[IsARM, HasV6T2]> {
1000 let Inst{27-16} = 0b001100100000;
1001 let Inst{15-8} = 0b11110000;
1002 let Inst{7-0} = 0b00000001;
1005 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1006 [/* For disassembly only; pattern left blank */]>,
1007 Requires<[IsARM, HasV6T2]> {
1008 let Inst{27-16} = 0b001100100000;
1009 let Inst{15-8} = 0b11110000;
1010 let Inst{7-0} = 0b00000010;
1013 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1014 [/* For disassembly only; pattern left blank */]>,
1015 Requires<[IsARM, HasV6T2]> {
1016 let Inst{27-16} = 0b001100100000;
1017 let Inst{15-8} = 0b11110000;
1018 let Inst{7-0} = 0b00000011;
1021 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1023 [/* For disassembly only; pattern left blank */]>,
1024 Requires<[IsARM, HasV6]> {
1029 let Inst{15-12} = Rd;
1030 let Inst{19-16} = Rn;
1031 let Inst{27-20} = 0b01101000;
1032 let Inst{7-4} = 0b1011;
1033 let Inst{11-8} = 0b1111;
1036 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1037 [/* For disassembly only; pattern left blank */]>,
1038 Requires<[IsARM, HasV6T2]> {
1039 let Inst{27-16} = 0b001100100000;
1040 let Inst{15-8} = 0b11110000;
1041 let Inst{7-0} = 0b00000100;
1044 // The i32imm operand $val can be used by a debugger to store more information
1045 // about the breakpoint.
1046 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1047 [/* For disassembly only; pattern left blank */]>,
1050 let Inst{3-0} = val{3-0};
1051 let Inst{19-8} = val{15-4};
1052 let Inst{27-20} = 0b00010010;
1053 let Inst{7-4} = 0b0111;
1056 // Change Processor State is a system instruction -- for disassembly only.
1057 // The singleton $opt operand contains the following information:
1058 // opt{4-0} = mode from Inst{4-0}
1059 // opt{5} = changemode from Inst{17}
1060 // opt{8-6} = AIF from Inst{8-6}
1061 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1062 // FIXME: Integrated assembler will need these split out.
1063 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1064 [/* For disassembly only; pattern left blank */]>,
1066 let Inst{31-28} = 0b1111;
1067 let Inst{27-20} = 0b00010000;
1072 // Preload signals the memory system of possible future data/instruction access.
1073 // These are for disassembly only.
1074 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1076 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1077 !strconcat(opc, "\t$addr"),
1078 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1081 let Inst{31-26} = 0b111101;
1082 let Inst{25} = 0; // 0 for immediate form
1083 let Inst{24} = data;
1084 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1085 let Inst{22} = read;
1086 let Inst{21-20} = 0b01;
1087 let Inst{19-16} = addr{16-13}; // Rn
1088 let Inst{15-12} = Rt;
1089 let Inst{11-0} = addr{11-0}; // imm12
1092 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1093 !strconcat(opc, "\t$shift"),
1094 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1097 let Inst{31-26} = 0b111101;
1098 let Inst{25} = 1; // 1 for register form
1099 let Inst{24} = data;
1100 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1101 let Inst{22} = read;
1102 let Inst{21-20} = 0b01;
1103 let Inst{19-16} = shift{16-13}; // Rn
1104 let Inst{11-0} = shift{11-0};
1108 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1109 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1110 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1112 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1114 [/* For disassembly only; pattern left blank */]>,
1117 let Inst{31-10} = 0b1111000100000001000000;
1122 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1123 [/* For disassembly only; pattern left blank */]>,
1124 Requires<[IsARM, HasV7]> {
1126 let Inst{27-4} = 0b001100100000111100001111;
1127 let Inst{3-0} = opt;
1130 // A5.4 Permanently UNDEFINED instructions.
1131 let isBarrier = 1, isTerminator = 1 in
1132 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1135 let Inst = 0xe7ffdefe;
1138 // Address computation and loads and stores in PIC mode.
1139 let isNotDuplicable = 1 in {
1140 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1141 Size4Bytes, IIC_iALUr,
1142 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1144 let AddedComplexity = 10 in {
1145 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1146 Size4Bytes, IIC_iLoad_r,
1147 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1149 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1150 Size4Bytes, IIC_iLoad_bh_r,
1151 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1153 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1154 Size4Bytes, IIC_iLoad_bh_r,
1155 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1157 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1158 Size4Bytes, IIC_iLoad_bh_r,
1159 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1161 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1162 Size4Bytes, IIC_iLoad_bh_r,
1163 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1165 let AddedComplexity = 10 in {
1166 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1167 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1169 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1170 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1172 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1173 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1175 } // isNotDuplicable = 1
1178 // LEApcrel - Load a pc-relative address into a register without offending the
1180 let neverHasSideEffects = 1, isReMaterializable = 1 in
1181 // FIXME: We want one cannonical LEApcrel instruction and to express one or
1182 // both of these as pseudo-instructions that get expanded to it.
1183 def LEApcrel : AXI1<0, (outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1185 "adr${p}\t$Rd, #$label", []>;
1187 def LEApcrelJT : AXI1<0b0100, (outs GPR:$Rd),
1188 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1190 "adr${p}\t$Rd, #${label}_${id}", []> {
1193 let Inst{31-28} = p;
1194 let Inst{27-25} = 0b001;
1196 let Inst{19-16} = 0b1111;
1197 let Inst{15-12} = Rd;
1198 // FIXME: Add label encoding/fixup
1201 //===----------------------------------------------------------------------===//
1202 // Control Flow Instructions.
1205 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1207 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1208 "bx", "\tlr", [(ARMretflag)]>,
1209 Requires<[IsARM, HasV4T]> {
1210 let Inst{27-0} = 0b0001001011111111111100011110;
1214 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1215 "mov", "\tpc, lr", [(ARMretflag)]>,
1216 Requires<[IsARM, NoV4T]> {
1217 let Inst{27-0} = 0b0001101000001111000000001110;
1221 // Indirect branches
1222 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1224 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1225 [(brind GPR:$dst)]>,
1226 Requires<[IsARM, HasV4T]> {
1228 let Inst{31-4} = 0b1110000100101111111111110001;
1229 let Inst{3-0} = dst;
1233 // FIXME: This should be a pseudo.
1234 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1235 [(brind GPR:$dst)]>,
1236 Requires<[IsARM, NoV4T]> {
1238 let Inst{31-4} = 0b1110000110100000111100000000;
1239 let Inst{3-0} = dst;
1243 // All calls clobber the non-callee saved registers. SP is marked as
1244 // a use to prevent stack-pointer assignments that appear immediately
1245 // before calls from potentially appearing dead.
1247 // On non-Darwin platforms R9 is callee-saved.
1248 Defs = [R0, R1, R2, R3, R12, LR,
1249 D0, D1, D2, D3, D4, D5, D6, D7,
1250 D16, D17, D18, D19, D20, D21, D22, D23,
1251 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1253 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1254 IIC_Br, "bl\t$func",
1255 [(ARMcall tglobaladdr:$func)]>,
1256 Requires<[IsARM, IsNotDarwin]> {
1257 let Inst{31-28} = 0b1110;
1259 let Inst{23-0} = func;
1262 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1263 IIC_Br, "bl", "\t$func",
1264 [(ARMcall_pred tglobaladdr:$func)]>,
1265 Requires<[IsARM, IsNotDarwin]> {
1267 let Inst{23-0} = func;
1271 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1272 IIC_Br, "blx\t$func",
1273 [(ARMcall GPR:$func)]>,
1274 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1276 let Inst{31-4} = 0b1110000100101111111111110011;
1277 let Inst{3-0} = func;
1281 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1282 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1283 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1284 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1287 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1288 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1289 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1293 // On Darwin R9 is call-clobbered.
1294 // R7 is marked as a use to prevent frame-pointer assignments from being
1295 // moved above / below calls.
1296 Defs = [R0, R1, R2, R3, R9, R12, LR,
1297 D0, D1, D2, D3, D4, D5, D6, D7,
1298 D16, D17, D18, D19, D20, D21, D22, D23,
1299 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1300 Uses = [R7, SP] in {
1301 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1302 IIC_Br, "bl\t$func",
1303 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1304 let Inst{31-28} = 0b1110;
1306 let Inst{23-0} = func;
1309 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1310 IIC_Br, "bl", "\t$func",
1311 [(ARMcall_pred tglobaladdr:$func)]>,
1312 Requires<[IsARM, IsDarwin]> {
1314 let Inst{23-0} = func;
1318 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1319 IIC_Br, "blx\t$func",
1320 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1322 let Inst{31-4} = 0b1110000100101111111111110011;
1323 let Inst{3-0} = func;
1327 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1328 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1329 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1330 Requires<[IsARM, HasV4T, IsDarwin]>;
1333 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1334 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1335 Requires<[IsARM, NoV4T, IsDarwin]>;
1340 // FIXME: These should probably be xformed into the non-TC versions of the
1341 // instructions as part of MC lowering.
1342 // FIXME: These seem to be used for both Thumb and ARM instruction selection.
1343 // Thumb should have its own version since the instruction is actually
1344 // different, even though the mnemonic is the same.
1345 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1347 let Defs = [R0, R1, R2, R3, R9, R12,
1348 D0, D1, D2, D3, D4, D5, D6, D7,
1349 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1350 D27, D28, D29, D30, D31, PC],
1352 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1353 IIC_Br, []>, Requires<[IsDarwin]>;
1355 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1356 IIC_Br, []>, Requires<[IsDarwin]>;
1358 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1359 IIC_Br, "b\t$dst @ TAILCALL",
1360 []>, Requires<[IsARM, IsDarwin]>;
1362 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1363 IIC_Br, "b.w\t$dst @ TAILCALL",
1364 []>, Requires<[IsThumb, IsDarwin]>;
1366 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1367 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1368 []>, Requires<[IsDarwin]> {
1370 let Inst{31-4} = 0b1110000100101111111111110001;
1371 let Inst{3-0} = dst;
1375 // Non-Darwin versions (the difference is R9).
1376 let Defs = [R0, R1, R2, R3, R12,
1377 D0, D1, D2, D3, D4, D5, D6, D7,
1378 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1379 D27, D28, D29, D30, D31, PC],
1381 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1382 IIC_Br, []>, Requires<[IsNotDarwin]>;
1384 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1385 IIC_Br, []>, Requires<[IsNotDarwin]>;
1387 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1388 IIC_Br, "b\t$dst @ TAILCALL",
1389 []>, Requires<[IsARM, IsNotDarwin]>;
1391 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1392 IIC_Br, "b.w\t$dst @ TAILCALL",
1393 []>, Requires<[IsThumb, IsNotDarwin]>;
1395 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1396 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1397 []>, Requires<[IsNotDarwin]> {
1399 let Inst{31-4} = 0b1110000100101111111111110001;
1400 let Inst{3-0} = dst;
1405 let isBranch = 1, isTerminator = 1 in {
1406 // B is "predicable" since it can be xformed into a Bcc.
1407 let isBarrier = 1 in {
1408 let isPredicable = 1 in
1409 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1410 "b\t$target", [(br bb:$target)]> {
1412 let Inst{31-28} = 0b1110;
1413 let Inst{23-0} = target;
1416 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1417 def BR_JTr : ARMPseudoInst<(outs),
1418 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1419 SizeSpecial, IIC_Br,
1420 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1421 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1422 // into i12 and rs suffixed versions.
1423 def BR_JTm : ARMPseudoInst<(outs),
1424 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1425 SizeSpecial, IIC_Br,
1426 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1428 def BR_JTadd : ARMPseudoInst<(outs),
1429 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1430 SizeSpecial, IIC_Br,
1431 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1433 } // isNotDuplicable = 1, isIndirectBranch = 1
1436 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1437 // a two-value operand where a dag node expects two operands. :(
1438 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1439 IIC_Br, "b", "\t$target",
1440 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1442 let Inst{23-0} = target;
1446 // Branch and Exchange Jazelle -- for disassembly only
1447 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1448 [/* For disassembly only; pattern left blank */]> {
1449 let Inst{23-20} = 0b0010;
1450 //let Inst{19-8} = 0xfff;
1451 let Inst{7-4} = 0b0010;
1454 // Secure Monitor Call is a system instruction -- for disassembly only
1455 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1456 [/* For disassembly only; pattern left blank */]> {
1458 let Inst{23-4} = 0b01100000000000000111;
1459 let Inst{3-0} = opt;
1462 // Supervisor Call (Software Interrupt) -- for disassembly only
1463 let isCall = 1, Uses = [SP] in {
1464 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1465 [/* For disassembly only; pattern left blank */]> {
1467 let Inst{23-0} = svc;
1471 // Store Return State is a system instruction -- for disassembly only
1472 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1473 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1474 NoItinerary, "srs${amode}\tsp!, $mode",
1475 [/* For disassembly only; pattern left blank */]> {
1476 let Inst{31-28} = 0b1111;
1477 let Inst{22-20} = 0b110; // W = 1
1480 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1481 NoItinerary, "srs${amode}\tsp, $mode",
1482 [/* For disassembly only; pattern left blank */]> {
1483 let Inst{31-28} = 0b1111;
1484 let Inst{22-20} = 0b100; // W = 0
1487 // Return From Exception is a system instruction -- for disassembly only
1488 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1489 NoItinerary, "rfe${amode}\t$base!",
1490 [/* For disassembly only; pattern left blank */]> {
1491 let Inst{31-28} = 0b1111;
1492 let Inst{22-20} = 0b011; // W = 1
1495 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1496 NoItinerary, "rfe${amode}\t$base",
1497 [/* For disassembly only; pattern left blank */]> {
1498 let Inst{31-28} = 0b1111;
1499 let Inst{22-20} = 0b001; // W = 0
1501 } // isCodeGenOnly = 1
1503 //===----------------------------------------------------------------------===//
1504 // Load / store Instructions.
1510 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1511 UnOpFrag<(load node:$Src)>>;
1512 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1513 UnOpFrag<(zextloadi8 node:$Src)>>;
1514 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1515 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1516 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1517 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1519 // Special LDR for loads from non-pc-relative constpools.
1520 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1521 isReMaterializable = 1 in
1522 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1523 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1527 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1528 let Inst{19-16} = 0b1111;
1529 let Inst{15-12} = Rt;
1530 let Inst{11-0} = addr{11-0}; // imm12
1533 // Loads with zero extension
1534 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1535 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1536 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1538 // Loads with sign extension
1539 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1540 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1541 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1543 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1544 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1545 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1547 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1548 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1549 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1550 // how to represent that such that tblgen is happy and we don't
1551 // mark this codegen only?
1553 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1554 (ins addrmode3:$addr), LdMiscFrm,
1555 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1556 []>, Requires<[IsARM, HasV5TE]>;
1560 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1561 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1562 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1563 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1565 // {13} 1 == Rm, 0 == imm12
1569 let Inst{25} = addr{13};
1570 let Inst{23} = addr{12};
1571 let Inst{19-16} = addr{17-14};
1572 let Inst{11-0} = addr{11-0};
1574 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1575 (ins GPR:$Rn, am2offset:$offset),
1576 IndexModePost, LdFrm, itin,
1577 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1578 // {13} 1 == Rm, 0 == imm12
1583 let Inst{25} = offset{13};
1584 let Inst{23} = offset{12};
1585 let Inst{19-16} = Rn;
1586 let Inst{11-0} = offset{11-0};
1590 let mayLoad = 1, neverHasSideEffects = 1 in {
1591 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1592 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1595 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1596 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1597 (ins addrmode3:$addr), IndexModePre,
1599 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1601 let Inst{23} = addr{8}; // U bit
1602 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1603 let Inst{19-16} = addr{12-9}; // Rn
1604 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1605 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1607 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1608 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1610 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1613 let Inst{23} = offset{8}; // U bit
1614 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1615 let Inst{19-16} = Rn;
1616 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1617 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1621 let mayLoad = 1, neverHasSideEffects = 1 in {
1622 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1623 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1624 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1625 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1626 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1627 } // mayLoad = 1, neverHasSideEffects = 1
1629 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1630 let mayLoad = 1, neverHasSideEffects = 1 in {
1631 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1632 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1633 LdFrm, IIC_iLoad_ru,
1634 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1635 let Inst{21} = 1; // overwrite
1637 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1638 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1639 LdFrm, IIC_iLoad_bh_ru,
1640 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1641 let Inst{21} = 1; // overwrite
1643 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1644 (ins GPR:$base, am3offset:$offset), IndexModePost,
1645 LdMiscFrm, IIC_iLoad_bh_ru,
1646 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1647 let Inst{21} = 1; // overwrite
1649 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1650 (ins GPR:$base, am3offset:$offset), IndexModePost,
1651 LdMiscFrm, IIC_iLoad_bh_ru,
1652 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1653 let Inst{21} = 1; // overwrite
1655 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1656 (ins GPR:$base, am3offset:$offset), IndexModePost,
1657 LdMiscFrm, IIC_iLoad_bh_ru,
1658 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1659 let Inst{21} = 1; // overwrite
1665 // Stores with truncate
1666 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1667 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1668 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1671 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1672 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1673 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1674 StMiscFrm, IIC_iStore_d_r,
1675 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1678 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1679 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1680 IndexModePre, StFrm, IIC_iStore_ru,
1681 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1683 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1685 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1686 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1687 IndexModePost, StFrm, IIC_iStore_ru,
1688 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1690 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1692 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1693 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1694 IndexModePre, StFrm, IIC_iStore_bh_ru,
1695 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1696 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1697 GPR:$Rn, am2offset:$offset))]>;
1698 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1699 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1700 IndexModePost, StFrm, IIC_iStore_bh_ru,
1701 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1702 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1703 GPR:$Rn, am2offset:$offset))]>;
1705 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1706 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1707 IndexModePre, StMiscFrm, IIC_iStore_ru,
1708 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1710 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1712 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1713 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1714 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1715 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1716 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1717 GPR:$Rn, am3offset:$offset))]>;
1719 // For disassembly only
1720 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1721 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1722 StMiscFrm, IIC_iStore_d_ru,
1723 "strd", "\t$src1, $src2, [$base, $offset]!",
1724 "$base = $base_wb", []>;
1726 // For disassembly only
1727 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1728 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1729 StMiscFrm, IIC_iStore_d_ru,
1730 "strd", "\t$src1, $src2, [$base], $offset",
1731 "$base = $base_wb", []>;
1733 // STRT, STRBT, and STRHT are for disassembly only.
1735 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1736 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1737 IndexModeNone, StFrm, IIC_iStore_ru,
1738 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1739 [/* For disassembly only; pattern left blank */]> {
1740 let Inst{21} = 1; // overwrite
1743 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1744 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1745 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1746 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1747 [/* For disassembly only; pattern left blank */]> {
1748 let Inst{21} = 1; // overwrite
1751 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1752 (ins GPR:$src, GPR:$base,am3offset:$offset),
1753 StMiscFrm, IIC_iStore_bh_ru,
1754 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1755 [/* For disassembly only; pattern left blank */]> {
1756 let Inst{21} = 1; // overwrite
1759 //===----------------------------------------------------------------------===//
1760 // Load / store multiple Instructions.
1763 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1764 InstrItinClass itin, InstrItinClass itin_upd> {
1766 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1767 IndexModeNone, f, itin,
1768 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1769 let Inst{24-23} = 0b01; // Increment After
1770 let Inst{21} = 0; // No writeback
1771 let Inst{20} = L_bit;
1774 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1775 IndexModeUpd, f, itin_upd,
1776 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1777 let Inst{24-23} = 0b01; // Increment After
1778 let Inst{21} = 1; // Writeback
1779 let Inst{20} = L_bit;
1782 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1783 IndexModeNone, f, itin,
1784 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1785 let Inst{24-23} = 0b00; // Decrement After
1786 let Inst{21} = 0; // No writeback
1787 let Inst{20} = L_bit;
1790 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1791 IndexModeUpd, f, itin_upd,
1792 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1793 let Inst{24-23} = 0b00; // Decrement After
1794 let Inst{21} = 1; // Writeback
1795 let Inst{20} = L_bit;
1798 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1799 IndexModeNone, f, itin,
1800 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1801 let Inst{24-23} = 0b10; // Decrement Before
1802 let Inst{21} = 0; // No writeback
1803 let Inst{20} = L_bit;
1806 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1807 IndexModeUpd, f, itin_upd,
1808 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1809 let Inst{24-23} = 0b10; // Decrement Before
1810 let Inst{21} = 1; // Writeback
1811 let Inst{20} = L_bit;
1814 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1815 IndexModeNone, f, itin,
1816 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1817 let Inst{24-23} = 0b11; // Increment Before
1818 let Inst{21} = 0; // No writeback
1819 let Inst{20} = L_bit;
1822 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1823 IndexModeUpd, f, itin_upd,
1824 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1825 let Inst{24-23} = 0b11; // Increment Before
1826 let Inst{21} = 1; // Writeback
1827 let Inst{20} = L_bit;
1831 let neverHasSideEffects = 1 in {
1833 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1834 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1836 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1837 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1839 } // neverHasSideEffects
1841 // Load / Store Multiple Mnemnoic Aliases
1842 def : MnemonicAlias<"ldm", "ldmia">;
1843 def : MnemonicAlias<"stm", "stmia">;
1845 // FIXME: remove when we have a way to marking a MI with these properties.
1846 // FIXME: Should pc be an implicit operand like PICADD, etc?
1847 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1848 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1849 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1850 reglist:$regs, variable_ops),
1851 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1852 "ldmia${p}\t$Rn!, $regs",
1854 let Inst{24-23} = 0b01; // Increment After
1855 let Inst{21} = 1; // Writeback
1856 let Inst{20} = 1; // Load
1859 //===----------------------------------------------------------------------===//
1860 // Move Instructions.
1863 let neverHasSideEffects = 1 in
1864 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1865 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1869 let Inst{11-4} = 0b00000000;
1872 let Inst{15-12} = Rd;
1875 // A version for the smaller set of tail call registers.
1876 let neverHasSideEffects = 1 in
1877 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1878 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1882 let Inst{11-4} = 0b00000000;
1885 let Inst{15-12} = Rd;
1888 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1889 DPSoRegFrm, IIC_iMOVsr,
1890 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1894 let Inst{15-12} = Rd;
1895 let Inst{11-0} = src;
1899 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1900 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1901 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1905 let Inst{15-12} = Rd;
1906 let Inst{19-16} = 0b0000;
1907 let Inst{11-0} = imm;
1910 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1911 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins movt_imm:$imm),
1913 "movw", "\t$Rd, $imm",
1914 [(set GPR:$Rd, imm0_65535:$imm)]>,
1915 Requires<[IsARM, HasV6T2]>, UnaryDP {
1918 let Inst{15-12} = Rd;
1919 let Inst{11-0} = imm{11-0};
1920 let Inst{19-16} = imm{15-12};
1925 let Constraints = "$src = $Rd" in
1926 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, movt_imm:$imm),
1928 "movt", "\t$Rd, $imm",
1930 (or (and GPR:$src, 0xffff),
1931 lo16AllZero:$imm))]>, UnaryDP,
1932 Requires<[IsARM, HasV6T2]> {
1935 let Inst{15-12} = Rd;
1936 let Inst{11-0} = imm{11-0};
1937 let Inst{19-16} = imm{15-12};
1942 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1943 Requires<[IsARM, HasV6T2]>;
1945 let Uses = [CPSR] in
1946 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1947 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1950 // These aren't really mov instructions, but we have to define them this way
1951 // due to flag operands.
1953 let Defs = [CPSR] in {
1954 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1955 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1957 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1958 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1962 //===----------------------------------------------------------------------===//
1963 // Extend Instructions.
1968 defm SXTB : AI_ext_rrot<0b01101010,
1969 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1970 defm SXTH : AI_ext_rrot<0b01101011,
1971 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1973 defm SXTAB : AI_exta_rrot<0b01101010,
1974 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1975 defm SXTAH : AI_exta_rrot<0b01101011,
1976 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1978 // For disassembly only
1979 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1981 // For disassembly only
1982 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1986 let AddedComplexity = 16 in {
1987 defm UXTB : AI_ext_rrot<0b01101110,
1988 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1989 defm UXTH : AI_ext_rrot<0b01101111,
1990 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1991 defm UXTB16 : AI_ext_rrot<0b01101100,
1992 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1994 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1995 // The transformation should probably be done as a combiner action
1996 // instead so we can include a check for masking back in the upper
1997 // eight bits of the source into the lower eight bits of the result.
1998 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1999 // (UXTB16r_rot GPR:$Src, 24)>;
2000 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2001 (UXTB16r_rot GPR:$Src, 8)>;
2003 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2004 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2005 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2006 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2009 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2010 // For disassembly only
2011 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2014 def SBFX : I<(outs GPR:$Rd),
2015 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2016 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2017 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2018 Requires<[IsARM, HasV6T2]> {
2023 let Inst{27-21} = 0b0111101;
2024 let Inst{6-4} = 0b101;
2025 let Inst{20-16} = width;
2026 let Inst{15-12} = Rd;
2027 let Inst{11-7} = lsb;
2031 def UBFX : I<(outs GPR:$Rd),
2032 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2033 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2034 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2035 Requires<[IsARM, HasV6T2]> {
2040 let Inst{27-21} = 0b0111111;
2041 let Inst{6-4} = 0b101;
2042 let Inst{20-16} = width;
2043 let Inst{15-12} = Rd;
2044 let Inst{11-7} = lsb;
2048 //===----------------------------------------------------------------------===//
2049 // Arithmetic Instructions.
2052 defm ADD : AsI1_bin_irs<0b0100, "add",
2053 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2054 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2055 defm SUB : AsI1_bin_irs<0b0010, "sub",
2056 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2057 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2059 // ADD and SUB with 's' bit set.
2060 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2061 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2062 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2063 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2064 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2065 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2067 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2068 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2069 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2070 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2071 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2072 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2073 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2074 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2076 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2077 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2078 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2083 let Inst{15-12} = Rd;
2084 let Inst{19-16} = Rn;
2085 let Inst{11-0} = imm;
2088 // The reg/reg form is only defined for the disassembler; for codegen it is
2089 // equivalent to SUBrr.
2090 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2091 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2092 [/* For disassembly only; pattern left blank */]> {
2096 let Inst{11-4} = 0b00000000;
2099 let Inst{15-12} = Rd;
2100 let Inst{19-16} = Rn;
2103 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2104 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2105 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2110 let Inst{11-0} = shift;
2111 let Inst{15-12} = Rd;
2112 let Inst{19-16} = Rn;
2115 // RSB with 's' bit set.
2116 let Defs = [CPSR] in {
2117 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2118 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2119 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2125 let Inst{15-12} = Rd;
2126 let Inst{19-16} = Rn;
2127 let Inst{11-0} = imm;
2129 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2130 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2131 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2137 let Inst{11-0} = shift;
2138 let Inst{15-12} = Rd;
2139 let Inst{19-16} = Rn;
2143 let Uses = [CPSR] in {
2144 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2145 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2146 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2152 let Inst{15-12} = Rd;
2153 let Inst{19-16} = Rn;
2154 let Inst{11-0} = imm;
2156 // The reg/reg form is only defined for the disassembler; for codegen it is
2157 // equivalent to SUBrr.
2158 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2159 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2160 [/* For disassembly only; pattern left blank */]> {
2164 let Inst{11-4} = 0b00000000;
2167 let Inst{15-12} = Rd;
2168 let Inst{19-16} = Rn;
2170 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2171 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2172 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2178 let Inst{11-0} = shift;
2179 let Inst{15-12} = Rd;
2180 let Inst{19-16} = Rn;
2184 // FIXME: Allow these to be predicated.
2185 let Defs = [CPSR], Uses = [CPSR] in {
2186 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2187 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2188 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2195 let Inst{15-12} = Rd;
2196 let Inst{19-16} = Rn;
2197 let Inst{11-0} = imm;
2199 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2200 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2201 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2208 let Inst{11-0} = shift;
2209 let Inst{15-12} = Rd;
2210 let Inst{19-16} = Rn;
2214 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2215 // The assume-no-carry-in form uses the negation of the input since add/sub
2216 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2217 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2219 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2220 (SUBri GPR:$src, so_imm_neg:$imm)>;
2221 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2222 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2223 // The with-carry-in form matches bitwise not instead of the negation.
2224 // Effectively, the inverse interpretation of the carry flag already accounts
2225 // for part of the negation.
2226 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2227 (SBCri GPR:$src, so_imm_not:$imm)>;
2229 // Note: These are implemented in C++ code, because they have to generate
2230 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2232 // (mul X, 2^n+1) -> (add (X << n), X)
2233 // (mul X, 2^n-1) -> (rsb X, (X << n))
2235 // ARM Arithmetic Instruction -- for disassembly only
2236 // GPR:$dst = GPR:$a op GPR:$b
2237 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2238 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2239 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2240 opc, "\t$Rd, $Rn, $Rm", pattern> {
2244 let Inst{27-20} = op27_20;
2245 let Inst{11-4} = op11_4;
2246 let Inst{19-16} = Rn;
2247 let Inst{15-12} = Rd;
2251 // Saturating add/subtract -- for disassembly only
2253 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2254 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2255 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2256 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2257 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2258 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2260 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2261 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2262 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2263 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2264 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2265 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2266 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2267 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2268 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2269 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2270 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2271 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2273 // Signed/Unsigned add/subtract -- for disassembly only
2275 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2276 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2277 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2278 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2279 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2280 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2281 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2282 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2283 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2284 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2285 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2286 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2288 // Signed/Unsigned halving add/subtract -- for disassembly only
2290 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2291 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2292 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2293 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2294 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2295 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2296 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2297 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2298 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2299 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2300 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2301 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2303 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2305 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2306 MulFrm /* for convenience */, NoItinerary, "usad8",
2307 "\t$Rd, $Rn, $Rm", []>,
2308 Requires<[IsARM, HasV6]> {
2312 let Inst{27-20} = 0b01111000;
2313 let Inst{15-12} = 0b1111;
2314 let Inst{7-4} = 0b0001;
2315 let Inst{19-16} = Rd;
2316 let Inst{11-8} = Rm;
2319 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2320 MulFrm /* for convenience */, NoItinerary, "usada8",
2321 "\t$Rd, $Rn, $Rm, $Ra", []>,
2322 Requires<[IsARM, HasV6]> {
2327 let Inst{27-20} = 0b01111000;
2328 let Inst{7-4} = 0b0001;
2329 let Inst{19-16} = Rd;
2330 let Inst{15-12} = Ra;
2331 let Inst{11-8} = Rm;
2335 // Signed/Unsigned saturate -- for disassembly only
2337 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2338 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2339 [/* For disassembly only; pattern left blank */]> {
2344 let Inst{27-21} = 0b0110101;
2345 let Inst{5-4} = 0b01;
2346 let Inst{20-16} = sat_imm;
2347 let Inst{15-12} = Rd;
2348 let Inst{11-7} = sh{7-3};
2349 let Inst{6} = sh{0};
2353 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2354 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2355 [/* For disassembly only; pattern left blank */]> {
2359 let Inst{27-20} = 0b01101010;
2360 let Inst{11-4} = 0b11110011;
2361 let Inst{15-12} = Rd;
2362 let Inst{19-16} = sat_imm;
2366 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2367 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2368 [/* For disassembly only; pattern left blank */]> {
2373 let Inst{27-21} = 0b0110111;
2374 let Inst{5-4} = 0b01;
2375 let Inst{15-12} = Rd;
2376 let Inst{11-7} = sh{7-3};
2377 let Inst{6} = sh{0};
2378 let Inst{20-16} = sat_imm;
2382 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2383 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2384 [/* For disassembly only; pattern left blank */]> {
2388 let Inst{27-20} = 0b01101110;
2389 let Inst{11-4} = 0b11110011;
2390 let Inst{15-12} = Rd;
2391 let Inst{19-16} = sat_imm;
2395 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2396 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2398 //===----------------------------------------------------------------------===//
2399 // Bitwise Instructions.
2402 defm AND : AsI1_bin_irs<0b0000, "and",
2403 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2404 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2405 defm ORR : AsI1_bin_irs<0b1100, "orr",
2406 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2407 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2408 defm EOR : AsI1_bin_irs<0b0001, "eor",
2409 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2410 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2411 defm BIC : AsI1_bin_irs<0b1110, "bic",
2412 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2413 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2415 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2416 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2417 "bfc", "\t$Rd, $imm", "$src = $Rd",
2418 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2419 Requires<[IsARM, HasV6T2]> {
2422 let Inst{27-21} = 0b0111110;
2423 let Inst{6-0} = 0b0011111;
2424 let Inst{15-12} = Rd;
2425 let Inst{11-7} = imm{4-0}; // lsb
2426 let Inst{20-16} = imm{9-5}; // width
2429 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2430 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2431 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2432 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2433 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2434 bf_inv_mask_imm:$imm))]>,
2435 Requires<[IsARM, HasV6T2]> {
2439 let Inst{27-21} = 0b0111110;
2440 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2441 let Inst{15-12} = Rd;
2442 let Inst{11-7} = imm{4-0}; // lsb
2443 let Inst{20-16} = imm{9-5}; // width
2447 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2448 "mvn", "\t$Rd, $Rm",
2449 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2453 let Inst{19-16} = 0b0000;
2454 let Inst{11-4} = 0b00000000;
2455 let Inst{15-12} = Rd;
2458 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2459 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2460 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2464 let Inst{19-16} = 0b0000;
2465 let Inst{15-12} = Rd;
2466 let Inst{11-0} = shift;
2468 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2469 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2470 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2471 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2475 let Inst{19-16} = 0b0000;
2476 let Inst{15-12} = Rd;
2477 let Inst{11-0} = imm;
2480 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2481 (BICri GPR:$src, so_imm_not:$imm)>;
2483 //===----------------------------------------------------------------------===//
2484 // Multiply Instructions.
2486 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2487 string opc, string asm, list<dag> pattern>
2488 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2492 let Inst{19-16} = Rd;
2493 let Inst{11-8} = Rm;
2496 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2497 string opc, string asm, list<dag> pattern>
2498 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2503 let Inst{19-16} = RdHi;
2504 let Inst{15-12} = RdLo;
2505 let Inst{11-8} = Rm;
2509 let isCommutable = 1 in
2510 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2511 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2512 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2514 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2515 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2516 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2518 let Inst{15-12} = Ra;
2521 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2522 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2523 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2524 Requires<[IsARM, HasV6T2]> {
2529 let Inst{19-16} = Rd;
2530 let Inst{15-12} = Ra;
2531 let Inst{11-8} = Rm;
2535 // Extra precision multiplies with low / high results
2537 let neverHasSideEffects = 1 in {
2538 let isCommutable = 1 in {
2539 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2540 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2541 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2543 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2544 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2545 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2548 // Multiply + accumulate
2549 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2550 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2551 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2553 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2554 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2555 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2557 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2558 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2559 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2560 Requires<[IsARM, HasV6]> {
2565 let Inst{19-16} = RdLo;
2566 let Inst{15-12} = RdHi;
2567 let Inst{11-8} = Rm;
2570 } // neverHasSideEffects
2572 // Most significant word multiply
2573 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2574 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2575 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2576 Requires<[IsARM, HasV6]> {
2577 let Inst{15-12} = 0b1111;
2580 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2581 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2582 [/* For disassembly only; pattern left blank */]>,
2583 Requires<[IsARM, HasV6]> {
2584 let Inst{15-12} = 0b1111;
2587 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2588 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2589 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2590 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2591 Requires<[IsARM, HasV6]>;
2593 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2594 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2595 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2596 [/* For disassembly only; pattern left blank */]>,
2597 Requires<[IsARM, HasV6]>;
2599 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2600 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2601 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2602 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2603 Requires<[IsARM, HasV6]>;
2605 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2606 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2607 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2608 [/* For disassembly only; pattern left blank */]>,
2609 Requires<[IsARM, HasV6]>;
2611 multiclass AI_smul<string opc, PatFrag opnode> {
2612 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2613 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2614 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2615 (sext_inreg GPR:$Rm, i16)))]>,
2616 Requires<[IsARM, HasV5TE]>;
2618 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2619 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2620 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2621 (sra GPR:$Rm, (i32 16))))]>,
2622 Requires<[IsARM, HasV5TE]>;
2624 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2625 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2626 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2627 (sext_inreg GPR:$Rm, i16)))]>,
2628 Requires<[IsARM, HasV5TE]>;
2630 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2631 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2632 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2633 (sra GPR:$Rm, (i32 16))))]>,
2634 Requires<[IsARM, HasV5TE]>;
2636 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2637 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2638 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2639 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2640 Requires<[IsARM, HasV5TE]>;
2642 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2643 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2644 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2645 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2646 Requires<[IsARM, HasV5TE]>;
2650 multiclass AI_smla<string opc, PatFrag opnode> {
2651 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2652 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2653 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2654 [(set GPR:$Rd, (add GPR:$Ra,
2655 (opnode (sext_inreg GPR:$Rn, i16),
2656 (sext_inreg GPR:$Rm, i16))))]>,
2657 Requires<[IsARM, HasV5TE]>;
2659 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2660 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2661 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2662 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2663 (sra GPR:$Rm, (i32 16)))))]>,
2664 Requires<[IsARM, HasV5TE]>;
2666 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2667 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2668 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2669 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2670 (sext_inreg GPR:$Rm, i16))))]>,
2671 Requires<[IsARM, HasV5TE]>;
2673 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2674 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2675 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2676 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2677 (sra GPR:$Rm, (i32 16)))))]>,
2678 Requires<[IsARM, HasV5TE]>;
2680 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2681 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2682 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2683 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2684 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2685 Requires<[IsARM, HasV5TE]>;
2687 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2688 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2689 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2690 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2691 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2692 Requires<[IsARM, HasV5TE]>;
2695 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2696 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2698 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2699 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2700 (ins GPR:$Rn, GPR:$Rm),
2701 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2702 [/* For disassembly only; pattern left blank */]>,
2703 Requires<[IsARM, HasV5TE]>;
2705 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2706 (ins GPR:$Rn, GPR:$Rm),
2707 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2708 [/* For disassembly only; pattern left blank */]>,
2709 Requires<[IsARM, HasV5TE]>;
2711 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2712 (ins GPR:$Rn, GPR:$Rm),
2713 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2714 [/* For disassembly only; pattern left blank */]>,
2715 Requires<[IsARM, HasV5TE]>;
2717 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2718 (ins GPR:$Rn, GPR:$Rm),
2719 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2720 [/* For disassembly only; pattern left blank */]>,
2721 Requires<[IsARM, HasV5TE]>;
2723 // Helper class for AI_smld -- for disassembly only
2724 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2725 InstrItinClass itin, string opc, string asm>
2726 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2733 let Inst{21-20} = 0b00;
2734 let Inst{22} = long;
2735 let Inst{27-23} = 0b01110;
2736 let Inst{11-8} = Rm;
2739 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2740 InstrItinClass itin, string opc, string asm>
2741 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2743 let Inst{15-12} = 0b1111;
2744 let Inst{19-16} = Rd;
2746 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2747 InstrItinClass itin, string opc, string asm>
2748 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2750 let Inst{15-12} = Ra;
2752 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2753 InstrItinClass itin, string opc, string asm>
2754 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2757 let Inst{19-16} = RdHi;
2758 let Inst{15-12} = RdLo;
2761 multiclass AI_smld<bit sub, string opc> {
2763 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2764 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2766 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2767 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2769 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2770 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2771 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2773 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2774 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2775 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2779 defm SMLA : AI_smld<0, "smla">;
2780 defm SMLS : AI_smld<1, "smls">;
2782 multiclass AI_sdml<bit sub, string opc> {
2784 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2785 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2786 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2787 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2790 defm SMUA : AI_sdml<0, "smua">;
2791 defm SMUS : AI_sdml<1, "smus">;
2793 //===----------------------------------------------------------------------===//
2794 // Misc. Arithmetic Instructions.
2797 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2798 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2799 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2801 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2802 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2803 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2804 Requires<[IsARM, HasV6T2]>;
2806 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2807 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2808 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2810 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2811 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2813 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2814 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2815 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2816 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2817 Requires<[IsARM, HasV6]>;
2819 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2820 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2823 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2824 (shl GPR:$Rm, (i32 8))), i16))]>,
2825 Requires<[IsARM, HasV6]>;
2827 def lsl_shift_imm : SDNodeXForm<imm, [{
2828 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2829 return CurDAG->getTargetConstant(Sh, MVT::i32);
2832 def lsl_amt : PatLeaf<(i32 imm), [{
2833 return (N->getZExtValue() < 32);
2836 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2837 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2838 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2839 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2840 (and (shl GPR:$Rm, lsl_amt:$sh),
2842 Requires<[IsARM, HasV6]>;
2844 // Alternate cases for PKHBT where identities eliminate some nodes.
2845 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2846 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2847 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2848 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2850 def asr_shift_imm : SDNodeXForm<imm, [{
2851 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2852 return CurDAG->getTargetConstant(Sh, MVT::i32);
2855 def asr_amt : PatLeaf<(i32 imm), [{
2856 return (N->getZExtValue() <= 32);
2859 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2860 // will match the pattern below.
2861 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2862 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2863 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2864 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2865 (and (sra GPR:$Rm, asr_amt:$sh),
2867 Requires<[IsARM, HasV6]>;
2869 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2870 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2871 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2872 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2873 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2874 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2875 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2877 //===----------------------------------------------------------------------===//
2878 // Comparison Instructions...
2881 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2882 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2883 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2885 // FIXME: We have to be careful when using the CMN instruction and comparison
2886 // with 0. One would expect these two pieces of code should give identical
2902 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2903 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2904 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2905 // value of r0 and the carry bit (because the "carry bit" parameter to
2906 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2907 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2908 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2909 // parameter to AddWithCarry is defined as 0).
2911 // When x is 0 and unsigned:
2915 // ~x + 1 = 0x1 0000 0000
2916 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2918 // Therefore, we should disable CMN when comparing against zero, until we can
2919 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2920 // when it's a comparison which doesn't look at the 'carry' flag).
2922 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2924 // This is related to <rdar://problem/7569620>.
2926 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2927 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2929 // Note that TST/TEQ don't set all the same flags that CMP does!
2930 defm TST : AI1_cmp_irs<0b1000, "tst",
2931 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2932 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2933 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2934 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2935 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2937 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2938 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2939 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2940 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2941 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2942 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2944 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2945 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2947 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2948 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2950 // Pseudo i64 compares for some floating point compares.
2951 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2953 def BCCi64 : PseudoInst<(outs),
2954 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2956 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2958 def BCCZi64 : PseudoInst<(outs),
2959 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
2960 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2961 } // usesCustomInserter
2964 // Conditional moves
2965 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2966 // a two-value operand where a dag node expects two operands. :(
2967 // FIXME: These should all be pseudo-instructions that get expanded to
2968 // the normal MOV instructions. That would fix the dependency on
2969 // special casing them in tblgen.
2970 let neverHasSideEffects = 1 in {
2971 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2972 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2973 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2974 RegConstraint<"$false = $Rd">, UnaryDP {
2979 let Inst{15-12} = Rd;
2980 let Inst{11-4} = 0b00000000;
2984 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2985 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2986 "mov", "\t$Rd, $shift",
2987 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2988 RegConstraint<"$false = $Rd">, UnaryDP {
2993 let Inst{19-16} = 0;
2994 let Inst{15-12} = Rd;
2995 let Inst{11-0} = shift;
2998 let isMoveImm = 1 in
2999 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, movt_imm:$imm),
3001 "movw", "\t$Rd, $imm",
3003 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3009 let Inst{19-16} = imm{15-12};
3010 let Inst{15-12} = Rd;
3011 let Inst{11-0} = imm{11-0};
3014 let isMoveImm = 1 in
3015 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3016 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3017 "mov", "\t$Rd, $imm",
3018 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3019 RegConstraint<"$false = $Rd">, UnaryDP {
3024 let Inst{19-16} = 0b0000;
3025 let Inst{15-12} = Rd;
3026 let Inst{11-0} = imm;
3029 // Two instruction predicate mov immediate.
3030 let isMoveImm = 1 in
3031 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3032 (ins GPR:$false, i32imm:$src, pred:$p),
3033 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3035 let isMoveImm = 1 in
3036 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3037 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3038 "mvn", "\t$Rd, $imm",
3039 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3040 RegConstraint<"$false = $Rd">, UnaryDP {
3045 let Inst{19-16} = 0b0000;
3046 let Inst{15-12} = Rd;
3047 let Inst{11-0} = imm;
3049 } // neverHasSideEffects
3051 //===----------------------------------------------------------------------===//
3052 // Atomic operations intrinsics
3055 def memb_opt : Operand<i32> {
3056 let PrintMethod = "printMemBOption";
3059 // memory barriers protect the atomic sequences
3060 let hasSideEffects = 1 in {
3061 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3062 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3063 Requires<[IsARM, HasDB]> {
3065 let Inst{31-4} = 0xf57ff05;
3066 let Inst{3-0} = opt;
3069 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3070 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3071 [(ARMMemBarrierMCR GPR:$zero)]>,
3072 Requires<[IsARM, HasV6]> {
3073 // FIXME: add encoding
3077 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3079 [/* For disassembly only; pattern left blank */]>,
3080 Requires<[IsARM, HasDB]> {
3082 let Inst{31-4} = 0xf57ff04;
3083 let Inst{3-0} = opt;
3086 // ISB has only full system option -- for disassembly only
3087 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3088 Requires<[IsARM, HasDB]> {
3089 let Inst{31-4} = 0xf57ff06;
3090 let Inst{3-0} = 0b1111;
3093 let usesCustomInserter = 1 in {
3094 let Uses = [CPSR] in {
3095 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3096 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3097 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3098 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3099 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3100 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3101 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3102 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3103 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3104 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3105 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3106 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3107 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3108 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3109 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3110 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3111 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3112 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3113 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3114 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3115 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3116 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3117 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3118 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3119 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3120 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3121 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3122 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3123 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3124 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3125 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3126 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3127 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3128 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3129 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3130 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3131 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3132 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3133 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3134 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3135 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3136 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3137 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3138 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3139 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3140 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3141 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3142 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3143 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3144 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3145 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3146 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3147 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3148 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3150 def ATOMIC_SWAP_I8 : PseudoInst<
3151 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3152 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3153 def ATOMIC_SWAP_I16 : PseudoInst<
3154 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3155 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3156 def ATOMIC_SWAP_I32 : PseudoInst<
3157 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3158 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3160 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3161 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3162 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3163 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3164 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3165 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3166 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3167 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3168 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3172 let mayLoad = 1 in {
3173 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3174 "ldrexb", "\t$Rt, [$Rn]",
3176 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3177 "ldrexh", "\t$Rt, [$Rn]",
3179 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3180 "ldrex", "\t$Rt, [$Rn]",
3182 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3184 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3188 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3189 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3191 "strexb", "\t$Rd, $src, [$Rn]",
3193 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3195 "strexh", "\t$Rd, $Rt, [$Rn]",
3197 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3199 "strex", "\t$Rd, $Rt, [$Rn]",
3201 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3202 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3204 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3208 // Clear-Exclusive is for disassembly only.
3209 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3210 [/* For disassembly only; pattern left blank */]>,
3211 Requires<[IsARM, HasV7]> {
3212 let Inst{31-0} = 0b11110101011111111111000000011111;
3215 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3216 let mayLoad = 1 in {
3217 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3218 [/* For disassembly only; pattern left blank */]>;
3219 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3220 [/* For disassembly only; pattern left blank */]>;
3223 //===----------------------------------------------------------------------===//
3227 // __aeabi_read_tp preserves the registers r1-r3.
3228 // FIXME: This needs to be a pseudo of some sort so that we can get the
3229 // encoding right, complete with fixup for the aeabi_read_tp function.
3231 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3232 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3233 "bl\t__aeabi_read_tp",
3234 [(set R0, ARMthread_pointer)]>;
3237 //===----------------------------------------------------------------------===//
3238 // SJLJ Exception handling intrinsics
3239 // eh_sjlj_setjmp() is an instruction sequence to store the return
3240 // address and save #0 in R0 for the non-longjmp case.
3241 // Since by its nature we may be coming from some other function to get
3242 // here, and we're using the stack frame for the containing function to
3243 // save/restore registers, we can't keep anything live in regs across
3244 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3245 // when we get here from a longjmp(). We force everthing out of registers
3246 // except for our own input by listing the relevant registers in Defs. By
3247 // doing so, we also cause the prologue/epilogue code to actively preserve
3248 // all of the callee-saved resgisters, which is exactly what we want.
3249 // A constant value is passed in $val, and we use the location as a scratch.
3251 // These are pseudo-instructions and are lowered to individual MC-insts, so
3252 // no encoding information is necessary.
3254 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3255 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3256 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3257 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3258 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3260 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3261 Requires<[IsARM, HasVFP2]>;
3265 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3266 hasSideEffects = 1, isBarrier = 1 in {
3267 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3269 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3270 Requires<[IsARM, NoVFP]>;
3273 // FIXME: Non-Darwin version(s)
3274 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3275 Defs = [ R7, LR, SP ] in {
3276 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3278 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3279 Requires<[IsARM, IsDarwin]>;
3282 // eh.sjlj.dispatchsetup pseudo-instruction.
3283 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3284 // handled when the pseudo is expanded (which happens before any passes
3285 // that need the instruction size).
3286 let isBarrier = 1, hasSideEffects = 1 in
3287 def Int_eh_sjlj_dispatchsetup :
3288 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3289 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3290 Requires<[IsDarwin]>;
3292 //===----------------------------------------------------------------------===//
3293 // Non-Instruction Patterns
3296 // Large immediate handling.
3298 // 32-bit immediate using two piece so_imms or movw + movt.
3299 // This is a single pseudo instruction, the benefit is that it can be remat'd
3300 // as a single unit instead of having to handle reg inputs.
3301 // FIXME: Remove this when we can do generalized remat.
3302 let isReMaterializable = 1, isMoveImm = 1 in
3303 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3304 [(set GPR:$dst, (arm_i32imm:$src))]>,
3307 // ConstantPool, GlobalAddress, and JumpTable
3308 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3309 Requires<[IsARM, DontUseMovt]>;
3310 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3311 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3312 Requires<[IsARM, UseMovt]>;
3313 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3314 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3316 // TODO: add,sub,and, 3-instr forms?
3319 def : ARMPat<(ARMtcret tcGPR:$dst),
3320 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3322 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3323 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3325 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3326 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3328 def : ARMPat<(ARMtcret tcGPR:$dst),
3329 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3331 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3332 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3334 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3335 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3338 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3339 Requires<[IsARM, IsNotDarwin]>;
3340 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3341 Requires<[IsARM, IsDarwin]>;
3343 // zextload i1 -> zextload i8
3344 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3345 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3347 // extload -> zextload
3348 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3349 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3350 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3351 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3353 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3355 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3356 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3359 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3360 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3361 (SMULBB GPR:$a, GPR:$b)>;
3362 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3363 (SMULBB GPR:$a, GPR:$b)>;
3364 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3365 (sra GPR:$b, (i32 16))),
3366 (SMULBT GPR:$a, GPR:$b)>;
3367 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3368 (SMULBT GPR:$a, GPR:$b)>;
3369 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3370 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3371 (SMULTB GPR:$a, GPR:$b)>;
3372 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3373 (SMULTB GPR:$a, GPR:$b)>;
3374 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3376 (SMULWB GPR:$a, GPR:$b)>;
3377 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3378 (SMULWB GPR:$a, GPR:$b)>;
3380 def : ARMV5TEPat<(add GPR:$acc,
3381 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3382 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3383 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3384 def : ARMV5TEPat<(add GPR:$acc,
3385 (mul sext_16_node:$a, sext_16_node:$b)),
3386 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3387 def : ARMV5TEPat<(add GPR:$acc,
3388 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3389 (sra GPR:$b, (i32 16)))),
3390 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3391 def : ARMV5TEPat<(add GPR:$acc,
3392 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3393 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3394 def : ARMV5TEPat<(add GPR:$acc,
3395 (mul (sra GPR:$a, (i32 16)),
3396 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3397 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3398 def : ARMV5TEPat<(add GPR:$acc,
3399 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3400 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3401 def : ARMV5TEPat<(add GPR:$acc,
3402 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3404 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3405 def : ARMV5TEPat<(add GPR:$acc,
3406 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3407 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3409 //===----------------------------------------------------------------------===//
3413 include "ARMInstrThumb.td"
3415 //===----------------------------------------------------------------------===//
3419 include "ARMInstrThumb2.td"
3421 //===----------------------------------------------------------------------===//
3422 // Floating Point Support
3425 include "ARMInstrVFP.td"
3427 //===----------------------------------------------------------------------===//
3428 // Advanced SIMD (NEON) Support
3431 include "ARMInstrNEON.td"
3433 //===----------------------------------------------------------------------===//
3434 // Coprocessor Instructions. For disassembly only.
3437 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3438 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3439 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3440 [/* For disassembly only; pattern left blank */]> {
3444 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3445 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3446 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3447 [/* For disassembly only; pattern left blank */]> {
3448 let Inst{31-28} = 0b1111;
3452 class ACI<dag oops, dag iops, string opc, string asm>
3453 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3454 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3455 let Inst{27-25} = 0b110;
3458 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3460 def _OFFSET : ACI<(outs),
3461 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3462 opc, "\tp$cop, cr$CRd, $addr"> {
3463 let Inst{31-28} = op31_28;
3464 let Inst{24} = 1; // P = 1
3465 let Inst{21} = 0; // W = 0
3466 let Inst{22} = 0; // D = 0
3467 let Inst{20} = load;
3470 def _PRE : ACI<(outs),
3471 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3472 opc, "\tp$cop, cr$CRd, $addr!"> {
3473 let Inst{31-28} = op31_28;
3474 let Inst{24} = 1; // P = 1
3475 let Inst{21} = 1; // W = 1
3476 let Inst{22} = 0; // D = 0
3477 let Inst{20} = load;
3480 def _POST : ACI<(outs),
3481 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3482 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3483 let Inst{31-28} = op31_28;
3484 let Inst{24} = 0; // P = 0
3485 let Inst{21} = 1; // W = 1
3486 let Inst{22} = 0; // D = 0
3487 let Inst{20} = load;
3490 def _OPTION : ACI<(outs),
3491 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3492 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3493 let Inst{31-28} = op31_28;
3494 let Inst{24} = 0; // P = 0
3495 let Inst{23} = 1; // U = 1
3496 let Inst{21} = 0; // W = 0
3497 let Inst{22} = 0; // D = 0
3498 let Inst{20} = load;
3501 def L_OFFSET : ACI<(outs),
3502 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3503 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3504 let Inst{31-28} = op31_28;
3505 let Inst{24} = 1; // P = 1
3506 let Inst{21} = 0; // W = 0
3507 let Inst{22} = 1; // D = 1
3508 let Inst{20} = load;
3511 def L_PRE : ACI<(outs),
3512 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3513 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3514 let Inst{31-28} = op31_28;
3515 let Inst{24} = 1; // P = 1
3516 let Inst{21} = 1; // W = 1
3517 let Inst{22} = 1; // D = 1
3518 let Inst{20} = load;
3521 def L_POST : ACI<(outs),
3522 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3523 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3524 let Inst{31-28} = op31_28;
3525 let Inst{24} = 0; // P = 0
3526 let Inst{21} = 1; // W = 1
3527 let Inst{22} = 1; // D = 1
3528 let Inst{20} = load;
3531 def L_OPTION : ACI<(outs),
3532 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3533 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3534 let Inst{31-28} = op31_28;
3535 let Inst{24} = 0; // P = 0
3536 let Inst{23} = 1; // U = 1
3537 let Inst{21} = 0; // W = 0
3538 let Inst{22} = 1; // D = 1
3539 let Inst{20} = load;
3543 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3544 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3545 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3546 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3548 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3549 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3550 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3551 [/* For disassembly only; pattern left blank */]> {
3556 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3557 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3558 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3559 [/* For disassembly only; pattern left blank */]> {
3560 let Inst{31-28} = 0b1111;
3565 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3566 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3567 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3568 [/* For disassembly only; pattern left blank */]> {
3573 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3574 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3575 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3576 [/* For disassembly only; pattern left blank */]> {
3577 let Inst{31-28} = 0b1111;
3582 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3583 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3584 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3585 [/* For disassembly only; pattern left blank */]> {
3586 let Inst{23-20} = 0b0100;
3589 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3590 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3591 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3592 [/* For disassembly only; pattern left blank */]> {
3593 let Inst{31-28} = 0b1111;
3594 let Inst{23-20} = 0b0100;
3597 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3598 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3599 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3600 [/* For disassembly only; pattern left blank */]> {
3601 let Inst{23-20} = 0b0101;
3604 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3605 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3606 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3607 [/* For disassembly only; pattern left blank */]> {
3608 let Inst{31-28} = 0b1111;
3609 let Inst{23-20} = 0b0101;
3612 //===----------------------------------------------------------------------===//
3613 // Move between special register and ARM core register -- for disassembly only
3616 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3617 [/* For disassembly only; pattern left blank */]> {
3618 let Inst{23-20} = 0b0000;
3619 let Inst{7-4} = 0b0000;
3622 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3623 [/* For disassembly only; pattern left blank */]> {
3624 let Inst{23-20} = 0b0100;
3625 let Inst{7-4} = 0b0000;
3628 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3629 "msr", "\tcpsr$mask, $src",
3630 [/* For disassembly only; pattern left blank */]> {
3631 let Inst{23-20} = 0b0010;
3632 let Inst{7-4} = 0b0000;
3635 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3636 "msr", "\tcpsr$mask, $a",
3637 [/* For disassembly only; pattern left blank */]> {
3638 let Inst{23-20} = 0b0010;
3639 let Inst{7-4} = 0b0000;
3642 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3643 "msr", "\tspsr$mask, $src",
3644 [/* For disassembly only; pattern left blank */]> {
3645 let Inst{23-20} = 0b0110;
3646 let Inst{7-4} = 0b0000;
3649 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3650 "msr", "\tspsr$mask, $a",
3651 [/* For disassembly only; pattern left blank */]> {
3652 let Inst{23-20} = 0b0110;
3653 let Inst{7-4} = 0b0000;