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}_${id}", []> {
1193 let Inst{31-28} = p;
1194 let Inst{27-25} = 0b001;
1196 let Inst{19-16} = 0b1111;
1197 let Inst{15-12} = Rd;
1198 // FIXME: Add label encoding/fixup
1201 //===----------------------------------------------------------------------===//
1202 // Control Flow Instructions.
1205 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1207 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1208 "bx", "\tlr", [(ARMretflag)]>,
1209 Requires<[IsARM, HasV4T]> {
1210 let Inst{27-0} = 0b0001001011111111111100011110;
1214 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1215 "mov", "\tpc, lr", [(ARMretflag)]>,
1216 Requires<[IsARM, NoV4T]> {
1217 let Inst{27-0} = 0b0001101000001111000000001110;
1221 // Indirect branches
1222 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1224 def BRIND : AXI<(outs), (ins GPR:$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 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1234 [(brind GPR:$dst)]>,
1235 Requires<[IsARM, NoV4T]> {
1237 let Inst{31-4} = 0b1110000110100000111100000000;
1238 let Inst{3-0} = dst;
1242 // All calls clobber the non-callee saved registers. SP is marked as
1243 // a use to prevent stack-pointer assignments that appear immediately
1244 // before calls from potentially appearing dead.
1246 // On non-Darwin platforms R9 is callee-saved.
1247 Defs = [R0, R1, R2, R3, R12, LR,
1248 D0, D1, D2, D3, D4, D5, D6, D7,
1249 D16, D17, D18, D19, D20, D21, D22, D23,
1250 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1252 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1253 IIC_Br, "bl\t$func",
1254 [(ARMcall tglobaladdr:$func)]>,
1255 Requires<[IsARM, IsNotDarwin]> {
1256 let Inst{31-28} = 0b1110;
1258 let Inst{23-0} = func;
1261 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1262 IIC_Br, "bl", "\t$func",
1263 [(ARMcall_pred tglobaladdr:$func)]>,
1264 Requires<[IsARM, IsNotDarwin]> {
1266 let Inst{23-0} = func;
1270 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1271 IIC_Br, "blx\t$func",
1272 [(ARMcall GPR:$func)]>,
1273 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1275 let Inst{31-4} = 0b1110000100101111111111110011;
1276 let Inst{3-0} = func;
1280 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1281 // FIXME: x2 insn patterns like this need to be pseudo instructions.
1282 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1283 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1284 [(ARMcall_nolink tGPR:$func)]>,
1285 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1287 let Inst{27-4} = 0b000100101111111111110001;
1288 let Inst{3-0} = func;
1292 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1293 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1294 [(ARMcall_nolink tGPR:$func)]>,
1295 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1297 let Inst{27-4} = 0b000110100000111100000000;
1298 let Inst{3-0} = func;
1303 // On Darwin R9 is call-clobbered.
1304 // R7 is marked as a use to prevent frame-pointer assignments from being
1305 // moved above / below calls.
1306 Defs = [R0, R1, R2, R3, R9, R12, LR,
1307 D0, D1, D2, D3, D4, D5, D6, D7,
1308 D16, D17, D18, D19, D20, D21, D22, D23,
1309 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1310 Uses = [R7, SP] in {
1311 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1312 IIC_Br, "bl\t$func",
1313 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1314 let Inst{31-28} = 0b1110;
1316 let Inst{23-0} = func;
1319 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1320 IIC_Br, "bl", "\t$func",
1321 [(ARMcall_pred tglobaladdr:$func)]>,
1322 Requires<[IsARM, IsDarwin]> {
1324 let Inst{23-0} = func;
1328 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1329 IIC_Br, "blx\t$func",
1330 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1332 let Inst{31-4} = 0b1110000100101111111111110011;
1333 let Inst{3-0} = func;
1337 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1338 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1339 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1340 [(ARMcall_nolink tGPR:$func)]>,
1341 Requires<[IsARM, HasV4T, IsDarwin]> {
1343 let Inst{27-4} = 0b000100101111111111110001;
1344 let Inst{3-0} = func;
1348 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1349 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1350 [(ARMcall_nolink tGPR:$func)]>,
1351 Requires<[IsARM, NoV4T, IsDarwin]> {
1353 let Inst{27-4} = 0b000110100000111100000000;
1354 let Inst{3-0} = func;
1360 // FIXME: These should probably be xformed into the non-TC versions of the
1361 // instructions as part of MC lowering.
1362 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1364 let Defs = [R0, R1, R2, R3, R9, R12,
1365 D0, D1, D2, D3, D4, D5, D6, D7,
1366 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1367 D27, D28, D29, D30, D31, PC],
1369 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1371 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1373 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1375 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1377 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1378 IIC_Br, "b\t$dst @ TAILCALL",
1379 []>, Requires<[IsDarwin]>;
1381 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1382 IIC_Br, "b.w\t$dst @ TAILCALL",
1383 []>, Requires<[IsDarwin]>;
1385 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1386 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1387 []>, Requires<[IsDarwin]> {
1389 let Inst{31-4} = 0b1110000100101111111111110001;
1390 let Inst{3-0} = dst;
1394 // Non-Darwin versions (the difference is R9).
1395 let Defs = [R0, R1, R2, R3, R12,
1396 D0, D1, D2, D3, D4, D5, D6, D7,
1397 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1398 D27, D28, D29, D30, D31, PC],
1400 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1402 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1404 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1406 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1408 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1409 IIC_Br, "b\t$dst @ TAILCALL",
1410 []>, Requires<[IsARM, IsNotDarwin]>;
1412 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1413 IIC_Br, "b.w\t$dst @ TAILCALL",
1414 []>, Requires<[IsThumb, IsNotDarwin]>;
1416 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1417 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1418 []>, Requires<[IsNotDarwin]> {
1420 let Inst{31-4} = 0b1110000100101111111111110001;
1421 let Inst{3-0} = dst;
1426 let isBranch = 1, isTerminator = 1 in {
1427 // B is "predicable" since it can be xformed into a Bcc.
1428 let isBarrier = 1 in {
1429 let isPredicable = 1 in
1430 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1431 "b\t$target", [(br bb:$target)]> {
1433 let Inst{31-28} = 0b1110;
1434 let Inst{23-0} = target;
1437 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1438 def BR_JTr : ARMPseudoInst<(outs),
1439 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1440 SizeSpecial, IIC_Br,
1441 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1442 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1443 // into i12 and rs suffixed versions.
1444 def BR_JTm : ARMPseudoInst<(outs),
1445 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1446 SizeSpecial, IIC_Br,
1447 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1449 def BR_JTadd : ARMPseudoInst<(outs),
1450 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1451 SizeSpecial, IIC_Br,
1452 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1454 } // isNotDuplicable = 1, isIndirectBranch = 1
1457 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1458 // a two-value operand where a dag node expects two operands. :(
1459 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1460 IIC_Br, "b", "\t$target",
1461 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1463 let Inst{23-0} = target;
1467 // Branch and Exchange Jazelle -- for disassembly only
1468 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1469 [/* For disassembly only; pattern left blank */]> {
1470 let Inst{23-20} = 0b0010;
1471 //let Inst{19-8} = 0xfff;
1472 let Inst{7-4} = 0b0010;
1475 // Secure Monitor Call is a system instruction -- for disassembly only
1476 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1477 [/* For disassembly only; pattern left blank */]> {
1479 let Inst{23-4} = 0b01100000000000000111;
1480 let Inst{3-0} = opt;
1483 // Supervisor Call (Software Interrupt) -- for disassembly only
1484 let isCall = 1, Uses = [SP] in {
1485 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1486 [/* For disassembly only; pattern left blank */]> {
1488 let Inst{23-0} = svc;
1492 // Store Return State is a system instruction -- for disassembly only
1493 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1494 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1495 NoItinerary, "srs${amode}\tsp!, $mode",
1496 [/* For disassembly only; pattern left blank */]> {
1497 let Inst{31-28} = 0b1111;
1498 let Inst{22-20} = 0b110; // W = 1
1501 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1502 NoItinerary, "srs${amode}\tsp, $mode",
1503 [/* For disassembly only; pattern left blank */]> {
1504 let Inst{31-28} = 0b1111;
1505 let Inst{22-20} = 0b100; // W = 0
1508 // Return From Exception is a system instruction -- for disassembly only
1509 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1510 NoItinerary, "rfe${amode}\t$base!",
1511 [/* For disassembly only; pattern left blank */]> {
1512 let Inst{31-28} = 0b1111;
1513 let Inst{22-20} = 0b011; // W = 1
1516 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1517 NoItinerary, "rfe${amode}\t$base",
1518 [/* For disassembly only; pattern left blank */]> {
1519 let Inst{31-28} = 0b1111;
1520 let Inst{22-20} = 0b001; // W = 0
1522 } // isCodeGenOnly = 1
1524 //===----------------------------------------------------------------------===//
1525 // Load / store Instructions.
1531 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1532 UnOpFrag<(load node:$Src)>>;
1533 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1534 UnOpFrag<(zextloadi8 node:$Src)>>;
1535 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1536 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1537 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1538 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1540 // Special LDR for loads from non-pc-relative constpools.
1541 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1542 isReMaterializable = 1 in
1543 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1544 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1548 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1549 let Inst{19-16} = 0b1111;
1550 let Inst{15-12} = Rt;
1551 let Inst{11-0} = addr{11-0}; // imm12
1554 // Loads with zero extension
1555 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1556 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1557 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1559 // Loads with sign extension
1560 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1561 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1562 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1564 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1565 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1566 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1568 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1569 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1570 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1571 // how to represent that such that tblgen is happy and we don't
1572 // mark this codegen only?
1574 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1575 (ins addrmode3:$addr), LdMiscFrm,
1576 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1577 []>, Requires<[IsARM, HasV5TE]>;
1581 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1582 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1583 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1584 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1586 // {13} 1 == Rm, 0 == imm12
1590 let Inst{25} = addr{13};
1591 let Inst{23} = addr{12};
1592 let Inst{19-16} = addr{17-14};
1593 let Inst{11-0} = addr{11-0};
1595 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1596 (ins GPR:$Rn, am2offset:$offset),
1597 IndexModePost, LdFrm, itin,
1598 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1599 // {13} 1 == Rm, 0 == imm12
1604 let Inst{25} = offset{13};
1605 let Inst{23} = offset{12};
1606 let Inst{19-16} = Rn;
1607 let Inst{11-0} = offset{11-0};
1611 let mayLoad = 1, neverHasSideEffects = 1 in {
1612 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1613 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1616 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1617 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1618 (ins addrmode3:$addr), IndexModePre,
1620 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1622 let Inst{23} = addr{8}; // U bit
1623 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1624 let Inst{19-16} = addr{12-9}; // Rn
1625 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1626 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1628 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1629 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1631 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1634 let Inst{23} = offset{8}; // U bit
1635 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1636 let Inst{19-16} = Rn;
1637 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1638 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1642 let mayLoad = 1, neverHasSideEffects = 1 in {
1643 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1644 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1645 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1646 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1647 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1648 } // mayLoad = 1, neverHasSideEffects = 1
1650 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1651 let mayLoad = 1, neverHasSideEffects = 1 in {
1652 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1653 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1654 LdFrm, IIC_iLoad_ru,
1655 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1656 let Inst{21} = 1; // overwrite
1658 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1659 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1660 LdFrm, IIC_iLoad_bh_ru,
1661 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1662 let Inst{21} = 1; // overwrite
1664 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1665 (ins GPR:$base, am3offset:$offset), IndexModePost,
1666 LdMiscFrm, IIC_iLoad_bh_ru,
1667 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1668 let Inst{21} = 1; // overwrite
1670 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1671 (ins GPR:$base, am3offset:$offset), IndexModePost,
1672 LdMiscFrm, IIC_iLoad_bh_ru,
1673 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1674 let Inst{21} = 1; // overwrite
1676 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1677 (ins GPR:$base, am3offset:$offset), IndexModePost,
1678 LdMiscFrm, IIC_iLoad_bh_ru,
1679 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1680 let Inst{21} = 1; // overwrite
1686 // Stores with truncate
1687 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1688 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1689 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1692 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1693 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1694 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1695 StMiscFrm, IIC_iStore_d_r,
1696 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1699 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1700 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1701 IndexModePre, StFrm, IIC_iStore_ru,
1702 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1704 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1706 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1707 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1708 IndexModePost, StFrm, IIC_iStore_ru,
1709 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1711 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1713 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1714 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1715 IndexModePre, StFrm, IIC_iStore_bh_ru,
1716 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1717 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1718 GPR:$Rn, am2offset:$offset))]>;
1719 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1720 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1721 IndexModePost, StFrm, IIC_iStore_bh_ru,
1722 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1723 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1724 GPR:$Rn, am2offset:$offset))]>;
1726 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1727 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1728 IndexModePre, StMiscFrm, IIC_iStore_ru,
1729 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1731 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1733 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1734 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1735 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1736 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1737 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1738 GPR:$Rn, am3offset:$offset))]>;
1740 // For disassembly only
1741 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1742 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1743 StMiscFrm, IIC_iStore_d_ru,
1744 "strd", "\t$src1, $src2, [$base, $offset]!",
1745 "$base = $base_wb", []>;
1747 // For disassembly only
1748 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1749 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1750 StMiscFrm, IIC_iStore_d_ru,
1751 "strd", "\t$src1, $src2, [$base], $offset",
1752 "$base = $base_wb", []>;
1754 // STRT, STRBT, and STRHT are for disassembly only.
1756 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1757 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1758 IndexModeNone, StFrm, IIC_iStore_ru,
1759 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1760 [/* For disassembly only; pattern left blank */]> {
1761 let Inst{21} = 1; // overwrite
1764 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1765 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1766 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1767 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1768 [/* For disassembly only; pattern left blank */]> {
1769 let Inst{21} = 1; // overwrite
1772 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1773 (ins GPR:$src, GPR:$base,am3offset:$offset),
1774 StMiscFrm, IIC_iStore_bh_ru,
1775 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1776 [/* For disassembly only; pattern left blank */]> {
1777 let Inst{21} = 1; // overwrite
1780 //===----------------------------------------------------------------------===//
1781 // Load / store multiple Instructions.
1784 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1785 InstrItinClass itin, InstrItinClass itin_upd> {
1787 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1788 IndexModeNone, f, itin,
1789 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1790 let Inst{24-23} = 0b01; // Increment After
1791 let Inst{21} = 0; // No writeback
1792 let Inst{20} = L_bit;
1795 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1796 IndexModeUpd, f, itin_upd,
1797 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1798 let Inst{24-23} = 0b01; // Increment After
1799 let Inst{21} = 1; // Writeback
1800 let Inst{20} = L_bit;
1803 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1804 IndexModeNone, f, itin,
1805 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1806 let Inst{24-23} = 0b00; // Decrement After
1807 let Inst{21} = 0; // No writeback
1808 let Inst{20} = L_bit;
1811 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1812 IndexModeUpd, f, itin_upd,
1813 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1814 let Inst{24-23} = 0b00; // Decrement After
1815 let Inst{21} = 1; // Writeback
1816 let Inst{20} = L_bit;
1819 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1820 IndexModeNone, f, itin,
1821 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1822 let Inst{24-23} = 0b10; // Decrement Before
1823 let Inst{21} = 0; // No writeback
1824 let Inst{20} = L_bit;
1827 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1828 IndexModeUpd, f, itin_upd,
1829 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1830 let Inst{24-23} = 0b10; // Decrement Before
1831 let Inst{21} = 1; // Writeback
1832 let Inst{20} = L_bit;
1835 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1836 IndexModeNone, f, itin,
1837 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1838 let Inst{24-23} = 0b11; // Increment Before
1839 let Inst{21} = 0; // No writeback
1840 let Inst{20} = L_bit;
1843 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1844 IndexModeUpd, f, itin_upd,
1845 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1846 let Inst{24-23} = 0b11; // Increment Before
1847 let Inst{21} = 1; // Writeback
1848 let Inst{20} = L_bit;
1852 let neverHasSideEffects = 1 in {
1854 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1855 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1857 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1858 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1860 } // neverHasSideEffects
1862 // Load / Store Multiple Mnemnoic Aliases
1863 def : MnemonicAlias<"ldm", "ldmia">;
1864 def : MnemonicAlias<"stm", "stmia">;
1866 // FIXME: remove when we have a way to marking a MI with these properties.
1867 // FIXME: Should pc be an implicit operand like PICADD, etc?
1868 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1869 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1870 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1871 reglist:$regs, variable_ops),
1872 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1873 "ldmia${p}\t$Rn!, $regs",
1875 let Inst{24-23} = 0b01; // Increment After
1876 let Inst{21} = 1; // Writeback
1877 let Inst{20} = 1; // Load
1880 //===----------------------------------------------------------------------===//
1881 // Move Instructions.
1884 let neverHasSideEffects = 1 in
1885 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1886 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1890 let Inst{11-4} = 0b00000000;
1893 let Inst{15-12} = Rd;
1896 // A version for the smaller set of tail call registers.
1897 let neverHasSideEffects = 1 in
1898 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1899 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1903 let Inst{11-4} = 0b00000000;
1906 let Inst{15-12} = Rd;
1909 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1910 DPSoRegFrm, IIC_iMOVsr,
1911 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1915 let Inst{15-12} = Rd;
1916 let Inst{11-0} = src;
1920 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1921 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1922 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1926 let Inst{15-12} = Rd;
1927 let Inst{19-16} = 0b0000;
1928 let Inst{11-0} = imm;
1931 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1932 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins movt_imm:$imm),
1934 "movw", "\t$Rd, $imm",
1935 [(set GPR:$Rd, imm0_65535:$imm)]>,
1936 Requires<[IsARM, HasV6T2]>, UnaryDP {
1939 let Inst{15-12} = Rd;
1940 let Inst{11-0} = imm{11-0};
1941 let Inst{19-16} = imm{15-12};
1946 let Constraints = "$src = $Rd" in
1947 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, movt_imm:$imm),
1949 "movt", "\t$Rd, $imm",
1951 (or (and GPR:$src, 0xffff),
1952 lo16AllZero:$imm))]>, UnaryDP,
1953 Requires<[IsARM, HasV6T2]> {
1956 let Inst{15-12} = Rd;
1957 let Inst{11-0} = imm{11-0};
1958 let Inst{19-16} = imm{15-12};
1963 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1964 Requires<[IsARM, HasV6T2]>;
1966 let Uses = [CPSR] in
1967 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1968 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1971 // These aren't really mov instructions, but we have to define them this way
1972 // due to flag operands.
1974 let Defs = [CPSR] in {
1975 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1976 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1978 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1979 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1983 //===----------------------------------------------------------------------===//
1984 // Extend Instructions.
1989 defm SXTB : AI_ext_rrot<0b01101010,
1990 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1991 defm SXTH : AI_ext_rrot<0b01101011,
1992 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1994 defm SXTAB : AI_exta_rrot<0b01101010,
1995 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1996 defm SXTAH : AI_exta_rrot<0b01101011,
1997 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1999 // For disassembly only
2000 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2002 // For disassembly only
2003 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2007 let AddedComplexity = 16 in {
2008 defm UXTB : AI_ext_rrot<0b01101110,
2009 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2010 defm UXTH : AI_ext_rrot<0b01101111,
2011 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2012 defm UXTB16 : AI_ext_rrot<0b01101100,
2013 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2015 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2016 // The transformation should probably be done as a combiner action
2017 // instead so we can include a check for masking back in the upper
2018 // eight bits of the source into the lower eight bits of the result.
2019 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2020 // (UXTB16r_rot GPR:$Src, 24)>;
2021 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2022 (UXTB16r_rot GPR:$Src, 8)>;
2024 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2025 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2026 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2027 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2030 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2031 // For disassembly only
2032 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2035 def SBFX : I<(outs GPR:$Rd),
2036 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2037 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2038 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2039 Requires<[IsARM, HasV6T2]> {
2044 let Inst{27-21} = 0b0111101;
2045 let Inst{6-4} = 0b101;
2046 let Inst{20-16} = width;
2047 let Inst{15-12} = Rd;
2048 let Inst{11-7} = lsb;
2052 def UBFX : I<(outs GPR:$Rd),
2053 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2054 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2055 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2056 Requires<[IsARM, HasV6T2]> {
2061 let Inst{27-21} = 0b0111111;
2062 let Inst{6-4} = 0b101;
2063 let Inst{20-16} = width;
2064 let Inst{15-12} = Rd;
2065 let Inst{11-7} = lsb;
2069 //===----------------------------------------------------------------------===//
2070 // Arithmetic Instructions.
2073 defm ADD : AsI1_bin_irs<0b0100, "add",
2074 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2075 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2076 defm SUB : AsI1_bin_irs<0b0010, "sub",
2077 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2078 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2080 // ADD and SUB with 's' bit set.
2081 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2082 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2083 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2084 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2085 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2086 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2088 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2089 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2090 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2091 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2092 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2093 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2094 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2095 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2097 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2098 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2099 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2104 let Inst{15-12} = Rd;
2105 let Inst{19-16} = Rn;
2106 let Inst{11-0} = imm;
2109 // The reg/reg form is only defined for the disassembler; for codegen it is
2110 // equivalent to SUBrr.
2111 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2112 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2113 [/* For disassembly only; pattern left blank */]> {
2117 let Inst{11-4} = 0b00000000;
2120 let Inst{15-12} = Rd;
2121 let Inst{19-16} = Rn;
2124 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2125 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2126 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2131 let Inst{11-0} = shift;
2132 let Inst{15-12} = Rd;
2133 let Inst{19-16} = Rn;
2136 // RSB with 's' bit set.
2137 let Defs = [CPSR] in {
2138 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2139 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2140 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2146 let Inst{15-12} = Rd;
2147 let Inst{19-16} = Rn;
2148 let Inst{11-0} = imm;
2150 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2151 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2152 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2158 let Inst{11-0} = shift;
2159 let Inst{15-12} = Rd;
2160 let Inst{19-16} = Rn;
2164 let Uses = [CPSR] in {
2165 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2166 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2167 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2173 let Inst{15-12} = Rd;
2174 let Inst{19-16} = Rn;
2175 let Inst{11-0} = imm;
2177 // The reg/reg form is only defined for the disassembler; for codegen it is
2178 // equivalent to SUBrr.
2179 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2180 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2181 [/* For disassembly only; pattern left blank */]> {
2185 let Inst{11-4} = 0b00000000;
2188 let Inst{15-12} = Rd;
2189 let Inst{19-16} = Rn;
2191 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2192 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2193 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2199 let Inst{11-0} = shift;
2200 let Inst{15-12} = Rd;
2201 let Inst{19-16} = Rn;
2205 // FIXME: Allow these to be predicated.
2206 let Defs = [CPSR], Uses = [CPSR] in {
2207 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2208 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2209 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2216 let Inst{15-12} = Rd;
2217 let Inst{19-16} = Rn;
2218 let Inst{11-0} = imm;
2220 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2221 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2222 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2229 let Inst{11-0} = shift;
2230 let Inst{15-12} = Rd;
2231 let Inst{19-16} = Rn;
2235 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2236 // The assume-no-carry-in form uses the negation of the input since add/sub
2237 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2238 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2240 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2241 (SUBri GPR:$src, so_imm_neg:$imm)>;
2242 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2243 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2244 // The with-carry-in form matches bitwise not instead of the negation.
2245 // Effectively, the inverse interpretation of the carry flag already accounts
2246 // for part of the negation.
2247 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2248 (SBCri GPR:$src, so_imm_not:$imm)>;
2250 // Note: These are implemented in C++ code, because they have to generate
2251 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2253 // (mul X, 2^n+1) -> (add (X << n), X)
2254 // (mul X, 2^n-1) -> (rsb X, (X << n))
2256 // ARM Arithmetic Instruction -- for disassembly only
2257 // GPR:$dst = GPR:$a op GPR:$b
2258 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2259 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2260 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2261 opc, "\t$Rd, $Rn, $Rm", pattern> {
2265 let Inst{27-20} = op27_20;
2266 let Inst{11-4} = op11_4;
2267 let Inst{19-16} = Rn;
2268 let Inst{15-12} = Rd;
2272 // Saturating add/subtract -- for disassembly only
2274 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2275 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2276 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2277 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2278 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2279 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2281 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2282 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2283 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2284 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2285 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2286 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2287 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2288 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2289 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2290 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2291 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2292 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2294 // Signed/Unsigned add/subtract -- for disassembly only
2296 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2297 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2298 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2299 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2300 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2301 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2302 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2303 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2304 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2305 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2306 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2307 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2309 // Signed/Unsigned halving add/subtract -- for disassembly only
2311 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2312 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2313 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2314 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2315 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2316 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2317 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2318 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2319 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2320 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2321 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2322 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2324 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2326 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2327 MulFrm /* for convenience */, NoItinerary, "usad8",
2328 "\t$Rd, $Rn, $Rm", []>,
2329 Requires<[IsARM, HasV6]> {
2333 let Inst{27-20} = 0b01111000;
2334 let Inst{15-12} = 0b1111;
2335 let Inst{7-4} = 0b0001;
2336 let Inst{19-16} = Rd;
2337 let Inst{11-8} = Rm;
2340 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2341 MulFrm /* for convenience */, NoItinerary, "usada8",
2342 "\t$Rd, $Rn, $Rm, $Ra", []>,
2343 Requires<[IsARM, HasV6]> {
2348 let Inst{27-20} = 0b01111000;
2349 let Inst{7-4} = 0b0001;
2350 let Inst{19-16} = Rd;
2351 let Inst{15-12} = Ra;
2352 let Inst{11-8} = Rm;
2356 // Signed/Unsigned saturate -- for disassembly only
2358 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2359 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2360 [/* For disassembly only; pattern left blank */]> {
2365 let Inst{27-21} = 0b0110101;
2366 let Inst{5-4} = 0b01;
2367 let Inst{20-16} = sat_imm;
2368 let Inst{15-12} = Rd;
2369 let Inst{11-7} = sh{7-3};
2370 let Inst{6} = sh{0};
2374 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2375 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2376 [/* For disassembly only; pattern left blank */]> {
2380 let Inst{27-20} = 0b01101010;
2381 let Inst{11-4} = 0b11110011;
2382 let Inst{15-12} = Rd;
2383 let Inst{19-16} = sat_imm;
2387 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2388 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2389 [/* For disassembly only; pattern left blank */]> {
2394 let Inst{27-21} = 0b0110111;
2395 let Inst{5-4} = 0b01;
2396 let Inst{15-12} = Rd;
2397 let Inst{11-7} = sh{7-3};
2398 let Inst{6} = sh{0};
2399 let Inst{20-16} = sat_imm;
2403 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2404 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2405 [/* For disassembly only; pattern left blank */]> {
2409 let Inst{27-20} = 0b01101110;
2410 let Inst{11-4} = 0b11110011;
2411 let Inst{15-12} = Rd;
2412 let Inst{19-16} = sat_imm;
2416 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2417 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2419 //===----------------------------------------------------------------------===//
2420 // Bitwise Instructions.
2423 defm AND : AsI1_bin_irs<0b0000, "and",
2424 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2425 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2426 defm ORR : AsI1_bin_irs<0b1100, "orr",
2427 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2428 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2429 defm EOR : AsI1_bin_irs<0b0001, "eor",
2430 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2431 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2432 defm BIC : AsI1_bin_irs<0b1110, "bic",
2433 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2434 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2436 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2437 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2438 "bfc", "\t$Rd, $imm", "$src = $Rd",
2439 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2440 Requires<[IsARM, HasV6T2]> {
2443 let Inst{27-21} = 0b0111110;
2444 let Inst{6-0} = 0b0011111;
2445 let Inst{15-12} = Rd;
2446 let Inst{11-7} = imm{4-0}; // lsb
2447 let Inst{20-16} = imm{9-5}; // width
2450 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2451 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2452 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2453 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2454 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2455 bf_inv_mask_imm:$imm))]>,
2456 Requires<[IsARM, HasV6T2]> {
2460 let Inst{27-21} = 0b0111110;
2461 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2462 let Inst{15-12} = Rd;
2463 let Inst{11-7} = imm{4-0}; // lsb
2464 let Inst{20-16} = imm{9-5}; // width
2468 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2469 "mvn", "\t$Rd, $Rm",
2470 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2474 let Inst{19-16} = 0b0000;
2475 let Inst{11-4} = 0b00000000;
2476 let Inst{15-12} = Rd;
2479 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2480 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2481 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2485 let Inst{19-16} = 0b0000;
2486 let Inst{15-12} = Rd;
2487 let Inst{11-0} = shift;
2489 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2490 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2491 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2492 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2496 let Inst{19-16} = 0b0000;
2497 let Inst{15-12} = Rd;
2498 let Inst{11-0} = imm;
2501 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2502 (BICri GPR:$src, so_imm_not:$imm)>;
2504 //===----------------------------------------------------------------------===//
2505 // Multiply Instructions.
2507 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2508 string opc, string asm, list<dag> pattern>
2509 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2513 let Inst{19-16} = Rd;
2514 let Inst{11-8} = Rm;
2517 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2518 string opc, string asm, list<dag> pattern>
2519 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2524 let Inst{19-16} = RdHi;
2525 let Inst{15-12} = RdLo;
2526 let Inst{11-8} = Rm;
2530 let isCommutable = 1 in
2531 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2532 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2533 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2535 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2536 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2537 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2539 let Inst{15-12} = Ra;
2542 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2543 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2544 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2545 Requires<[IsARM, HasV6T2]> {
2550 let Inst{19-16} = Rd;
2551 let Inst{15-12} = Ra;
2552 let Inst{11-8} = Rm;
2556 // Extra precision multiplies with low / high results
2558 let neverHasSideEffects = 1 in {
2559 let isCommutable = 1 in {
2560 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2561 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2562 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2564 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2565 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2566 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2569 // Multiply + accumulate
2570 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2571 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2572 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2574 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2575 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2576 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2578 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2579 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2580 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2581 Requires<[IsARM, HasV6]> {
2586 let Inst{19-16} = RdLo;
2587 let Inst{15-12} = RdHi;
2588 let Inst{11-8} = Rm;
2591 } // neverHasSideEffects
2593 // Most significant word multiply
2594 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2595 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2596 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2597 Requires<[IsARM, HasV6]> {
2598 let Inst{15-12} = 0b1111;
2601 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2602 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2603 [/* For disassembly only; pattern left blank */]>,
2604 Requires<[IsARM, HasV6]> {
2605 let Inst{15-12} = 0b1111;
2608 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2609 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2610 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2611 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2612 Requires<[IsARM, HasV6]>;
2614 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2615 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2616 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2617 [/* For disassembly only; pattern left blank */]>,
2618 Requires<[IsARM, HasV6]>;
2620 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2621 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2622 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2623 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2624 Requires<[IsARM, HasV6]>;
2626 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2627 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2628 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2629 [/* For disassembly only; pattern left blank */]>,
2630 Requires<[IsARM, HasV6]>;
2632 multiclass AI_smul<string opc, PatFrag opnode> {
2633 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2634 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2635 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2636 (sext_inreg GPR:$Rm, i16)))]>,
2637 Requires<[IsARM, HasV5TE]>;
2639 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2640 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2641 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2642 (sra GPR:$Rm, (i32 16))))]>,
2643 Requires<[IsARM, HasV5TE]>;
2645 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2646 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2647 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2648 (sext_inreg GPR:$Rm, i16)))]>,
2649 Requires<[IsARM, HasV5TE]>;
2651 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2652 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2653 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2654 (sra GPR:$Rm, (i32 16))))]>,
2655 Requires<[IsARM, HasV5TE]>;
2657 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2658 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2659 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2660 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2661 Requires<[IsARM, HasV5TE]>;
2663 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2664 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2665 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2666 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2667 Requires<[IsARM, HasV5TE]>;
2671 multiclass AI_smla<string opc, PatFrag opnode> {
2672 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2673 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2674 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2675 [(set GPR:$Rd, (add GPR:$Ra,
2676 (opnode (sext_inreg GPR:$Rn, i16),
2677 (sext_inreg GPR:$Rm, i16))))]>,
2678 Requires<[IsARM, HasV5TE]>;
2680 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2681 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2682 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2683 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2684 (sra GPR:$Rm, (i32 16)))))]>,
2685 Requires<[IsARM, HasV5TE]>;
2687 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2688 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2689 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2690 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2691 (sext_inreg GPR:$Rm, i16))))]>,
2692 Requires<[IsARM, HasV5TE]>;
2694 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2695 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2696 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2697 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2698 (sra GPR:$Rm, (i32 16)))))]>,
2699 Requires<[IsARM, HasV5TE]>;
2701 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2702 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2703 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2704 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2705 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2706 Requires<[IsARM, HasV5TE]>;
2708 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2709 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2710 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2711 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2712 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2713 Requires<[IsARM, HasV5TE]>;
2716 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2717 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2719 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2720 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2721 (ins GPR:$Rn, GPR:$Rm),
2722 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2723 [/* For disassembly only; pattern left blank */]>,
2724 Requires<[IsARM, HasV5TE]>;
2726 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2727 (ins GPR:$Rn, GPR:$Rm),
2728 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2729 [/* For disassembly only; pattern left blank */]>,
2730 Requires<[IsARM, HasV5TE]>;
2732 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2733 (ins GPR:$Rn, GPR:$Rm),
2734 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2735 [/* For disassembly only; pattern left blank */]>,
2736 Requires<[IsARM, HasV5TE]>;
2738 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2739 (ins GPR:$Rn, GPR:$Rm),
2740 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2741 [/* For disassembly only; pattern left blank */]>,
2742 Requires<[IsARM, HasV5TE]>;
2744 // Helper class for AI_smld -- for disassembly only
2745 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2746 InstrItinClass itin, string opc, string asm>
2747 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2754 let Inst{21-20} = 0b00;
2755 let Inst{22} = long;
2756 let Inst{27-23} = 0b01110;
2757 let Inst{11-8} = Rm;
2760 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2761 InstrItinClass itin, string opc, string asm>
2762 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2764 let Inst{15-12} = 0b1111;
2765 let Inst{19-16} = Rd;
2767 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2768 InstrItinClass itin, string opc, string asm>
2769 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2771 let Inst{15-12} = Ra;
2773 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2774 InstrItinClass itin, string opc, string asm>
2775 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2778 let Inst{19-16} = RdHi;
2779 let Inst{15-12} = RdLo;
2782 multiclass AI_smld<bit sub, string opc> {
2784 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2785 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2787 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2788 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2790 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2791 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2792 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2794 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2795 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2796 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2800 defm SMLA : AI_smld<0, "smla">;
2801 defm SMLS : AI_smld<1, "smls">;
2803 multiclass AI_sdml<bit sub, string opc> {
2805 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2806 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2807 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2808 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2811 defm SMUA : AI_sdml<0, "smua">;
2812 defm SMUS : AI_sdml<1, "smus">;
2814 //===----------------------------------------------------------------------===//
2815 // Misc. Arithmetic Instructions.
2818 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2819 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2820 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2822 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2823 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2824 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2825 Requires<[IsARM, HasV6T2]>;
2827 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2828 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2829 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2831 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2832 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2834 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2835 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2836 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2837 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2838 Requires<[IsARM, HasV6]>;
2840 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2841 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2844 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2845 (shl GPR:$Rm, (i32 8))), i16))]>,
2846 Requires<[IsARM, HasV6]>;
2848 def lsl_shift_imm : SDNodeXForm<imm, [{
2849 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2850 return CurDAG->getTargetConstant(Sh, MVT::i32);
2853 def lsl_amt : PatLeaf<(i32 imm), [{
2854 return (N->getZExtValue() < 32);
2857 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2858 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2859 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2860 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2861 (and (shl GPR:$Rm, lsl_amt:$sh),
2863 Requires<[IsARM, HasV6]>;
2865 // Alternate cases for PKHBT where identities eliminate some nodes.
2866 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2867 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2868 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2869 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2871 def asr_shift_imm : SDNodeXForm<imm, [{
2872 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2873 return CurDAG->getTargetConstant(Sh, MVT::i32);
2876 def asr_amt : PatLeaf<(i32 imm), [{
2877 return (N->getZExtValue() <= 32);
2880 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2881 // will match the pattern below.
2882 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2883 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2884 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2885 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2886 (and (sra GPR:$Rm, asr_amt:$sh),
2888 Requires<[IsARM, HasV6]>;
2890 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2891 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2892 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2893 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2894 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2895 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2896 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2898 //===----------------------------------------------------------------------===//
2899 // Comparison Instructions...
2902 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2903 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2904 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2906 // FIXME: We have to be careful when using the CMN instruction and comparison
2907 // with 0. One would expect these two pieces of code should give identical
2923 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2924 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2925 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2926 // value of r0 and the carry bit (because the "carry bit" parameter to
2927 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2928 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2929 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2930 // parameter to AddWithCarry is defined as 0).
2932 // When x is 0 and unsigned:
2936 // ~x + 1 = 0x1 0000 0000
2937 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2939 // Therefore, we should disable CMN when comparing against zero, until we can
2940 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2941 // when it's a comparison which doesn't look at the 'carry' flag).
2943 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2945 // This is related to <rdar://problem/7569620>.
2947 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2948 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2950 // Note that TST/TEQ don't set all the same flags that CMP does!
2951 defm TST : AI1_cmp_irs<0b1000, "tst",
2952 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2953 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2954 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2955 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2956 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2958 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2959 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2960 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2961 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2962 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2963 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2965 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2966 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2968 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2969 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2971 // Pseudo i64 compares for some floating point compares.
2972 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2974 def BCCi64 : PseudoInst<(outs),
2975 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2977 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2979 def BCCZi64 : PseudoInst<(outs),
2980 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
2981 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2982 } // usesCustomInserter
2985 // Conditional moves
2986 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2987 // a two-value operand where a dag node expects two operands. :(
2988 // FIXME: These should all be pseudo-instructions that get expanded to
2989 // the normal MOV instructions. That would fix the dependency on
2990 // special casing them in tblgen.
2991 let neverHasSideEffects = 1 in {
2992 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2993 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2994 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2995 RegConstraint<"$false = $Rd">, UnaryDP {
3000 let Inst{15-12} = Rd;
3001 let Inst{11-4} = 0b00000000;
3005 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3006 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3007 "mov", "\t$Rd, $shift",
3008 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3009 RegConstraint<"$false = $Rd">, UnaryDP {
3014 let Inst{19-16} = 0;
3015 let Inst{15-12} = Rd;
3016 let Inst{11-0} = shift;
3019 let isMoveImm = 1 in
3020 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, movt_imm:$imm),
3022 "movw", "\t$Rd, $imm",
3024 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3030 let Inst{19-16} = imm{15-12};
3031 let Inst{15-12} = Rd;
3032 let Inst{11-0} = imm{11-0};
3035 let isMoveImm = 1 in
3036 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3037 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3038 "mov", "\t$Rd, $imm",
3039 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3040 RegConstraint<"$false = $Rd">, UnaryDP {
3045 let Inst{19-16} = 0b0000;
3046 let Inst{15-12} = Rd;
3047 let Inst{11-0} = imm;
3050 // Two instruction predicate mov immediate.
3051 let isMoveImm = 1 in
3052 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3053 (ins GPR:$false, i32imm:$src, pred:$p),
3054 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3056 let isMoveImm = 1 in
3057 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3058 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3059 "mvn", "\t$Rd, $imm",
3060 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3061 RegConstraint<"$false = $Rd">, UnaryDP {
3066 let Inst{19-16} = 0b0000;
3067 let Inst{15-12} = Rd;
3068 let Inst{11-0} = imm;
3070 } // neverHasSideEffects
3072 //===----------------------------------------------------------------------===//
3073 // Atomic operations intrinsics
3076 def memb_opt : Operand<i32> {
3077 let PrintMethod = "printMemBOption";
3080 // memory barriers protect the atomic sequences
3081 let hasSideEffects = 1 in {
3082 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3083 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3084 Requires<[IsARM, HasDB]> {
3086 let Inst{31-4} = 0xf57ff05;
3087 let Inst{3-0} = opt;
3090 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3091 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3092 [(ARMMemBarrierMCR GPR:$zero)]>,
3093 Requires<[IsARM, HasV6]> {
3094 // FIXME: add encoding
3098 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3100 [/* For disassembly only; pattern left blank */]>,
3101 Requires<[IsARM, HasDB]> {
3103 let Inst{31-4} = 0xf57ff04;
3104 let Inst{3-0} = opt;
3107 // ISB has only full system option -- for disassembly only
3108 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3109 Requires<[IsARM, HasDB]> {
3110 let Inst{31-4} = 0xf57ff06;
3111 let Inst{3-0} = 0b1111;
3114 let usesCustomInserter = 1 in {
3115 let Uses = [CPSR] in {
3116 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3117 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3118 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3119 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3120 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3121 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3122 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3123 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3124 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3125 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3126 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3127 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3128 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3129 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3130 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3131 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3132 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3133 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3134 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3135 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3136 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3137 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3138 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3139 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3140 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3141 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3142 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3143 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3144 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3145 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3146 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3147 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3148 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3149 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3150 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3151 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3152 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3153 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3154 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3155 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3156 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3157 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3158 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3159 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3160 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3161 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3162 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3163 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3164 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3165 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3166 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3167 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3168 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3169 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3171 def ATOMIC_SWAP_I8 : PseudoInst<
3172 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3173 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3174 def ATOMIC_SWAP_I16 : PseudoInst<
3175 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3176 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3177 def ATOMIC_SWAP_I32 : PseudoInst<
3178 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3179 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3181 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3182 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3183 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3184 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3185 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3186 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3187 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3188 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3189 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3193 let mayLoad = 1 in {
3194 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3195 "ldrexb", "\t$Rt, [$Rn]",
3197 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3198 "ldrexh", "\t$Rt, [$Rn]",
3200 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3201 "ldrex", "\t$Rt, [$Rn]",
3203 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3205 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3209 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3210 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3212 "strexb", "\t$Rd, $src, [$Rn]",
3214 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3216 "strexh", "\t$Rd, $Rt, [$Rn]",
3218 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3220 "strex", "\t$Rd, $Rt, [$Rn]",
3222 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3223 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3225 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3229 // Clear-Exclusive is for disassembly only.
3230 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3231 [/* For disassembly only; pattern left blank */]>,
3232 Requires<[IsARM, HasV7]> {
3233 let Inst{31-0} = 0b11110101011111111111000000011111;
3236 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3237 let mayLoad = 1 in {
3238 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3239 [/* For disassembly only; pattern left blank */]>;
3240 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3241 [/* For disassembly only; pattern left blank */]>;
3244 //===----------------------------------------------------------------------===//
3248 // __aeabi_read_tp preserves the registers r1-r3.
3249 // FIXME: This needs to be a pseudo of some sort so that we can get the
3250 // encoding right, complete with fixup for the aeabi_read_tp function.
3252 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3253 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3254 "bl\t__aeabi_read_tp",
3255 [(set R0, ARMthread_pointer)]>;
3258 //===----------------------------------------------------------------------===//
3259 // SJLJ Exception handling intrinsics
3260 // eh_sjlj_setjmp() is an instruction sequence to store the return
3261 // address and save #0 in R0 for the non-longjmp case.
3262 // Since by its nature we may be coming from some other function to get
3263 // here, and we're using the stack frame for the containing function to
3264 // save/restore registers, we can't keep anything live in regs across
3265 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3266 // when we get here from a longjmp(). We force everthing out of registers
3267 // except for our own input by listing the relevant registers in Defs. By
3268 // doing so, we also cause the prologue/epilogue code to actively preserve
3269 // all of the callee-saved resgisters, which is exactly what we want.
3270 // A constant value is passed in $val, and we use the location as a scratch.
3272 // These are pseudo-instructions and are lowered to individual MC-insts, so
3273 // no encoding information is necessary.
3275 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3276 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3277 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3278 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3279 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3281 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3282 Requires<[IsARM, HasVFP2]>;
3286 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3287 hasSideEffects = 1, isBarrier = 1 in {
3288 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3290 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3291 Requires<[IsARM, NoVFP]>;
3294 // FIXME: Non-Darwin version(s)
3295 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3296 Defs = [ R7, LR, SP ] in {
3297 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3299 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3300 Requires<[IsARM, IsDarwin]>;
3303 // eh.sjlj.dispatchsetup pseudo-instruction.
3304 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3305 // handled when the pseudo is expanded (which happens before any passes
3306 // that need the instruction size).
3307 let isBarrier = 1, hasSideEffects = 1 in
3308 def Int_eh_sjlj_dispatchsetup :
3309 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3310 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3311 Requires<[IsDarwin]>;
3313 //===----------------------------------------------------------------------===//
3314 // Non-Instruction Patterns
3317 // Large immediate handling.
3319 // 32-bit immediate using two piece so_imms or movw + movt.
3320 // This is a single pseudo instruction, the benefit is that it can be remat'd
3321 // as a single unit instead of having to handle reg inputs.
3322 // FIXME: Remove this when we can do generalized remat.
3323 let isReMaterializable = 1, isMoveImm = 1 in
3324 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3325 [(set GPR:$dst, (arm_i32imm:$src))]>,
3328 // ConstantPool, GlobalAddress, and JumpTable
3329 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3330 Requires<[IsARM, DontUseMovt]>;
3331 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3332 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3333 Requires<[IsARM, UseMovt]>;
3334 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3335 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3337 // TODO: add,sub,and, 3-instr forms?
3340 def : ARMPat<(ARMtcret tcGPR:$dst),
3341 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3343 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3344 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3346 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3347 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3349 def : ARMPat<(ARMtcret tcGPR:$dst),
3350 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3352 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3353 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3355 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3356 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3359 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3360 Requires<[IsARM, IsNotDarwin]>;
3361 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3362 Requires<[IsARM, IsDarwin]>;
3364 // zextload i1 -> zextload i8
3365 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3366 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3368 // extload -> zextload
3369 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3370 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3371 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3372 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3374 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3376 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3377 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3380 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3381 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3382 (SMULBB GPR:$a, GPR:$b)>;
3383 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3384 (SMULBB GPR:$a, GPR:$b)>;
3385 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3386 (sra GPR:$b, (i32 16))),
3387 (SMULBT GPR:$a, GPR:$b)>;
3388 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3389 (SMULBT GPR:$a, GPR:$b)>;
3390 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3391 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3392 (SMULTB GPR:$a, GPR:$b)>;
3393 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3394 (SMULTB GPR:$a, GPR:$b)>;
3395 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3397 (SMULWB GPR:$a, GPR:$b)>;
3398 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3399 (SMULWB GPR:$a, GPR:$b)>;
3401 def : ARMV5TEPat<(add GPR:$acc,
3402 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3403 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3404 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3405 def : ARMV5TEPat<(add GPR:$acc,
3406 (mul sext_16_node:$a, sext_16_node:$b)),
3407 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3408 def : ARMV5TEPat<(add GPR:$acc,
3409 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3410 (sra GPR:$b, (i32 16)))),
3411 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3412 def : ARMV5TEPat<(add GPR:$acc,
3413 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3414 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3415 def : ARMV5TEPat<(add GPR:$acc,
3416 (mul (sra GPR:$a, (i32 16)),
3417 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3418 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3419 def : ARMV5TEPat<(add GPR:$acc,
3420 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3421 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3422 def : ARMV5TEPat<(add GPR:$acc,
3423 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3425 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3426 def : ARMV5TEPat<(add GPR:$acc,
3427 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3428 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3430 //===----------------------------------------------------------------------===//
3434 include "ARMInstrThumb.td"
3436 //===----------------------------------------------------------------------===//
3440 include "ARMInstrThumb2.td"
3442 //===----------------------------------------------------------------------===//
3443 // Floating Point Support
3446 include "ARMInstrVFP.td"
3448 //===----------------------------------------------------------------------===//
3449 // Advanced SIMD (NEON) Support
3452 include "ARMInstrNEON.td"
3454 //===----------------------------------------------------------------------===//
3455 // Coprocessor Instructions. For disassembly only.
3458 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3459 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3460 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3461 [/* For disassembly only; pattern left blank */]> {
3465 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3466 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3467 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3468 [/* For disassembly only; pattern left blank */]> {
3469 let Inst{31-28} = 0b1111;
3473 class ACI<dag oops, dag iops, string opc, string asm>
3474 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3475 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3476 let Inst{27-25} = 0b110;
3479 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3481 def _OFFSET : ACI<(outs),
3482 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3483 opc, "\tp$cop, cr$CRd, $addr"> {
3484 let Inst{31-28} = op31_28;
3485 let Inst{24} = 1; // P = 1
3486 let Inst{21} = 0; // W = 0
3487 let Inst{22} = 0; // D = 0
3488 let Inst{20} = load;
3491 def _PRE : ACI<(outs),
3492 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3493 opc, "\tp$cop, cr$CRd, $addr!"> {
3494 let Inst{31-28} = op31_28;
3495 let Inst{24} = 1; // P = 1
3496 let Inst{21} = 1; // W = 1
3497 let Inst{22} = 0; // D = 0
3498 let Inst{20} = load;
3501 def _POST : ACI<(outs),
3502 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3503 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3504 let Inst{31-28} = op31_28;
3505 let Inst{24} = 0; // P = 0
3506 let Inst{21} = 1; // W = 1
3507 let Inst{22} = 0; // D = 0
3508 let Inst{20} = load;
3511 def _OPTION : ACI<(outs),
3512 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3513 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3514 let Inst{31-28} = op31_28;
3515 let Inst{24} = 0; // P = 0
3516 let Inst{23} = 1; // U = 1
3517 let Inst{21} = 0; // W = 0
3518 let Inst{22} = 0; // D = 0
3519 let Inst{20} = load;
3522 def L_OFFSET : ACI<(outs),
3523 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3524 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3525 let Inst{31-28} = op31_28;
3526 let Inst{24} = 1; // P = 1
3527 let Inst{21} = 0; // W = 0
3528 let Inst{22} = 1; // D = 1
3529 let Inst{20} = load;
3532 def L_PRE : ACI<(outs),
3533 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3534 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3535 let Inst{31-28} = op31_28;
3536 let Inst{24} = 1; // P = 1
3537 let Inst{21} = 1; // W = 1
3538 let Inst{22} = 1; // D = 1
3539 let Inst{20} = load;
3542 def L_POST : ACI<(outs),
3543 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3544 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3545 let Inst{31-28} = op31_28;
3546 let Inst{24} = 0; // P = 0
3547 let Inst{21} = 1; // W = 1
3548 let Inst{22} = 1; // D = 1
3549 let Inst{20} = load;
3552 def L_OPTION : ACI<(outs),
3553 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3554 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3555 let Inst{31-28} = op31_28;
3556 let Inst{24} = 0; // P = 0
3557 let Inst{23} = 1; // U = 1
3558 let Inst{21} = 0; // W = 0
3559 let Inst{22} = 1; // D = 1
3560 let Inst{20} = load;
3564 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3565 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3566 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3567 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3569 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3570 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3571 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3572 [/* For disassembly only; pattern left blank */]> {
3577 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3578 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3579 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3580 [/* For disassembly only; pattern left blank */]> {
3581 let Inst{31-28} = 0b1111;
3586 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3587 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3588 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3589 [/* For disassembly only; pattern left blank */]> {
3594 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3595 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3596 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3597 [/* For disassembly only; pattern left blank */]> {
3598 let Inst{31-28} = 0b1111;
3603 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3604 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3605 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3606 [/* For disassembly only; pattern left blank */]> {
3607 let Inst{23-20} = 0b0100;
3610 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3611 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3612 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3613 [/* For disassembly only; pattern left blank */]> {
3614 let Inst{31-28} = 0b1111;
3615 let Inst{23-20} = 0b0100;
3618 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3619 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3620 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3621 [/* For disassembly only; pattern left blank */]> {
3622 let Inst{23-20} = 0b0101;
3625 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3626 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3627 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3628 [/* For disassembly only; pattern left blank */]> {
3629 let Inst{31-28} = 0b1111;
3630 let Inst{23-20} = 0b0101;
3633 //===----------------------------------------------------------------------===//
3634 // Move between special register and ARM core register -- for disassembly only
3637 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3638 [/* For disassembly only; pattern left blank */]> {
3639 let Inst{23-20} = 0b0000;
3640 let Inst{7-4} = 0b0000;
3643 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3644 [/* For disassembly only; pattern left blank */]> {
3645 let Inst{23-20} = 0b0100;
3646 let Inst{7-4} = 0b0000;
3649 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3650 "msr", "\tcpsr$mask, $src",
3651 [/* For disassembly only; pattern left blank */]> {
3652 let Inst{23-20} = 0b0010;
3653 let Inst{7-4} = 0b0000;
3656 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3657 "msr", "\tcpsr$mask, $a",
3658 [/* For disassembly only; pattern left blank */]> {
3659 let Inst{23-20} = 0b0010;
3660 let Inst{7-4} = 0b0000;
3663 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3664 "msr", "\tspsr$mask, $src",
3665 [/* For disassembly only; pattern left blank */]> {
3666 let Inst{23-20} = 0b0110;
3667 let Inst{7-4} = 0b0000;
3670 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3671 "msr", "\tspsr$mask, $a",
3672 [/* For disassembly only; pattern left blank */]> {
3673 let Inst{23-20} = 0b0110;
3674 let Inst{7-4} = 0b0000;