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";
336 def jtblock_operand : Operand<i32> {
337 let PrintMethod = "printJTBlockOperand";
339 def jt2block_operand : Operand<i32> {
340 let PrintMethod = "printJT2BlockOperand";
344 def pclabel : Operand<i32> {
345 let PrintMethod = "printPCLabel";
348 def neon_vcvt_imm32 : Operand<i32> {
349 let EncoderMethod = "getNEONVcvtImm32OpValue";
352 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
353 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
354 int32_t v = (int32_t)N->getZExtValue();
355 return v == 8 || v == 16 || v == 24; }]> {
356 let EncoderMethod = "getRotImmOpValue";
359 // shift_imm: An integer that encodes a shift amount and the type of shift
360 // (currently either asr or lsl) using the same encoding used for the
361 // immediates in so_reg operands.
362 def shift_imm : Operand<i32> {
363 let PrintMethod = "printShiftImmOperand";
366 // shifter_operand operands: so_reg and so_imm.
367 def so_reg : Operand<i32>, // reg reg imm
368 ComplexPattern<i32, 3, "SelectShifterOperandReg",
369 [shl,srl,sra,rotr]> {
370 let EncoderMethod = "getSORegOpValue";
371 let PrintMethod = "printSORegOperand";
372 let MIOperandInfo = (ops GPR, GPR, i32imm);
374 def shift_so_reg : Operand<i32>, // reg reg imm
375 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
376 [shl,srl,sra,rotr]> {
377 let EncoderMethod = "getSORegOpValue";
378 let PrintMethod = "printSORegOperand";
379 let MIOperandInfo = (ops GPR, GPR, i32imm);
382 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
383 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
384 // represented in the imm field in the same 12-bit form that they are encoded
385 // into so_imm instructions: the 8-bit immediate is the least significant bits
386 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
387 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
388 let EncoderMethod = "getSOImmOpValue";
389 let PrintMethod = "printSOImmOperand";
392 // Break so_imm's up into two pieces. This handles immediates with up to 16
393 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
394 // get the first/second pieces.
395 def so_imm2part : PatLeaf<(imm), [{
396 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
399 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
401 def arm_i32imm : PatLeaf<(imm), [{
402 if (Subtarget->hasV6T2Ops())
404 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
407 def so_imm2part_1 : SDNodeXForm<imm, [{
408 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
409 return CurDAG->getTargetConstant(V, MVT::i32);
412 def so_imm2part_2 : SDNodeXForm<imm, [{
413 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
414 return CurDAG->getTargetConstant(V, MVT::i32);
417 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
418 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
420 let PrintMethod = "printSOImm2PartOperand";
423 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
424 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
425 return CurDAG->getTargetConstant(V, MVT::i32);
428 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
429 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
430 return CurDAG->getTargetConstant(V, MVT::i32);
433 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
434 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
435 return (int32_t)N->getZExtValue() < 32;
438 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
439 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
440 return (int32_t)N->getZExtValue() < 32;
442 let EncoderMethod = "getImmMinusOneOpValue";
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:$addr, i32imm);
534 let EncoderMethod = "getAddrMode6AddressOpValue";
537 def am6offset : Operand<i32> {
538 let PrintMethod = "printAddrMode6OffsetOperand";
539 let MIOperandInfo = (ops GPR);
540 let EncoderMethod = "getAddrMode6OffsetOpValue";
543 // addrmodepc := pc + reg
545 def addrmodepc : Operand<i32>,
546 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
547 let PrintMethod = "printAddrModePCOperand";
548 let MIOperandInfo = (ops GPR, i32imm);
551 def nohash_imm : Operand<i32> {
552 let PrintMethod = "printNoHashImmediate";
555 //===----------------------------------------------------------------------===//
557 include "ARMInstrFormats.td"
559 //===----------------------------------------------------------------------===//
560 // Multiclass helpers...
563 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
564 /// binop that produces a value.
565 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
566 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
567 PatFrag opnode, bit Commutable = 0> {
568 // The register-immediate version is re-materializable. This is useful
569 // in particular for taking the address of a local.
570 let isReMaterializable = 1 in {
571 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
572 iii, opc, "\t$Rd, $Rn, $imm",
573 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
578 let Inst{19-16} = Rn;
579 let Inst{15-12} = Rd;
580 let Inst{11-0} = imm;
583 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
584 iir, opc, "\t$Rd, $Rn, $Rm",
585 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
590 let isCommutable = Commutable;
591 let Inst{19-16} = Rn;
592 let Inst{15-12} = Rd;
593 let Inst{11-4} = 0b00000000;
596 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
597 iis, opc, "\t$Rd, $Rn, $shift",
598 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
603 let Inst{19-16} = Rn;
604 let Inst{15-12} = Rd;
605 let Inst{11-0} = shift;
609 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
610 /// instruction modifies the CPSR register.
611 let Defs = [CPSR] in {
612 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
613 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
614 PatFrag opnode, bit Commutable = 0> {
615 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
616 iii, opc, "\t$Rd, $Rn, $imm",
617 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
623 let Inst{19-16} = Rn;
624 let Inst{15-12} = Rd;
625 let Inst{11-0} = imm;
627 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
628 iir, opc, "\t$Rd, $Rn, $Rm",
629 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
633 let isCommutable = Commutable;
636 let Inst{19-16} = Rn;
637 let Inst{15-12} = Rd;
638 let Inst{11-4} = 0b00000000;
641 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
642 iis, opc, "\t$Rd, $Rn, $shift",
643 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
649 let Inst{19-16} = Rn;
650 let Inst{15-12} = Rd;
651 let Inst{11-0} = shift;
656 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
657 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
658 /// a explicit result, only implicitly set CPSR.
659 let isCompare = 1, Defs = [CPSR] in {
660 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
661 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
662 PatFrag opnode, bit Commutable = 0> {
663 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
665 [(opnode GPR:$Rn, so_imm:$imm)]> {
670 let Inst{19-16} = Rn;
671 let Inst{15-12} = 0b0000;
672 let Inst{11-0} = imm;
674 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
676 [(opnode GPR:$Rn, GPR:$Rm)]> {
679 let isCommutable = Commutable;
682 let Inst{19-16} = Rn;
683 let Inst{15-12} = 0b0000;
684 let Inst{11-4} = 0b00000000;
687 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
688 opc, "\t$Rn, $shift",
689 [(opnode GPR:$Rn, so_reg:$shift)]> {
694 let Inst{19-16} = Rn;
695 let Inst{15-12} = 0b0000;
696 let Inst{11-0} = shift;
701 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
702 /// register and one whose operand is a register rotated by 8/16/24.
703 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
704 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
705 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
706 IIC_iEXTr, opc, "\t$Rd, $Rm",
707 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
708 Requires<[IsARM, HasV6]> {
711 let Inst{19-16} = 0b1111;
712 let Inst{15-12} = Rd;
713 let Inst{11-10} = 0b00;
716 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
717 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
718 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
719 Requires<[IsARM, HasV6]> {
723 let Inst{19-16} = 0b1111;
724 let Inst{15-12} = Rd;
725 let Inst{11-10} = rot;
730 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
731 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
732 IIC_iEXTr, opc, "\t$Rd, $Rm",
733 [/* For disassembly only; pattern left blank */]>,
734 Requires<[IsARM, HasV6]> {
735 let Inst{19-16} = 0b1111;
736 let Inst{11-10} = 0b00;
738 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
739 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
740 [/* For disassembly only; pattern left blank */]>,
741 Requires<[IsARM, HasV6]> {
743 let Inst{19-16} = 0b1111;
744 let Inst{11-10} = rot;
748 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
749 /// register and one whose operand is a register rotated by 8/16/24.
750 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
751 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
752 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
753 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
754 Requires<[IsARM, HasV6]> {
758 let Inst{19-16} = Rn;
759 let Inst{15-12} = Rd;
760 let Inst{11-10} = 0b00;
761 let Inst{9-4} = 0b000111;
764 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
766 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
767 [(set GPR:$Rd, (opnode GPR:$Rn,
768 (rotr GPR:$Rm, rot_imm:$rot)))]>,
769 Requires<[IsARM, HasV6]> {
774 let Inst{19-16} = Rn;
775 let Inst{15-12} = Rd;
776 let Inst{11-10} = rot;
777 let Inst{9-4} = 0b000111;
782 // For disassembly only.
783 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
784 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
785 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
786 [/* For disassembly only; pattern left blank */]>,
787 Requires<[IsARM, HasV6]> {
788 let Inst{11-10} = 0b00;
790 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
792 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
793 [/* For disassembly only; pattern left blank */]>,
794 Requires<[IsARM, HasV6]> {
797 let Inst{19-16} = Rn;
798 let Inst{11-10} = rot;
802 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
803 let Uses = [CPSR] in {
804 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
805 bit Commutable = 0> {
806 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
807 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
808 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
814 let Inst{15-12} = Rd;
815 let Inst{19-16} = Rn;
816 let Inst{11-0} = imm;
818 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
819 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
820 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
825 let Inst{11-4} = 0b00000000;
827 let isCommutable = Commutable;
829 let Inst{15-12} = Rd;
830 let Inst{19-16} = Rn;
832 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
833 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
834 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
840 let Inst{11-0} = shift;
841 let Inst{15-12} = Rd;
842 let Inst{19-16} = Rn;
845 // Carry setting variants
846 let Defs = [CPSR] in {
847 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
848 bit Commutable = 0> {
849 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
850 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
851 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
856 let Inst{15-12} = Rd;
857 let Inst{19-16} = Rn;
858 let Inst{11-0} = imm;
862 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
863 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
864 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
869 let Inst{11-4} = 0b00000000;
870 let isCommutable = Commutable;
872 let Inst{15-12} = Rd;
873 let Inst{19-16} = Rn;
877 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
878 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
879 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
884 let Inst{11-0} = shift;
885 let Inst{15-12} = Rd;
886 let Inst{19-16} = Rn;
894 let canFoldAsLoad = 1, isReMaterializable = 1 in {
895 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
896 InstrItinClass iir, PatFrag opnode> {
897 // Note: We use the complex addrmode_imm12 rather than just an input
898 // GPR and a constrained immediate so that we can use this to match
899 // frame index references and avoid matching constant pool references.
900 def i12: AIldst1<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
901 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
902 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
905 let Inst{23} = addr{12}; // U (add = ('U' == 1))
906 let Inst{19-16} = addr{16-13}; // Rn
907 let Inst{15-12} = Rt;
908 let Inst{11-0} = addr{11-0}; // imm12
910 def rs : AIldst1<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
911 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
912 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
915 let Inst{23} = shift{12}; // U (add = ('U' == 1))
916 let Inst{19-16} = shift{16-13}; // Rn
917 let Inst{15-12} = Rt;
918 let Inst{11-0} = shift{11-0};
923 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
924 InstrItinClass iir, PatFrag opnode> {
925 // Note: We use the complex addrmode_imm12 rather than just an input
926 // GPR and a constrained immediate so that we can use this to match
927 // frame index references and avoid matching constant pool references.
928 def i12 : AIldst1<0b010, 0, isByte, (outs),
929 (ins GPR:$Rt, addrmode_imm12:$addr),
930 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
931 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
934 let Inst{23} = addr{12}; // U (add = ('U' == 1))
935 let Inst{19-16} = addr{16-13}; // Rn
936 let Inst{15-12} = Rt;
937 let Inst{11-0} = addr{11-0}; // imm12
939 def rs : AIldst1<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
940 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
941 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
944 let Inst{23} = shift{12}; // U (add = ('U' == 1))
945 let Inst{19-16} = shift{16-13}; // Rn
946 let Inst{15-12} = Rt;
947 let Inst{11-0} = shift{11-0};
950 //===----------------------------------------------------------------------===//
952 //===----------------------------------------------------------------------===//
954 //===----------------------------------------------------------------------===//
955 // Miscellaneous Instructions.
958 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
959 /// the function. The first operand is the ID# for this instruction, the second
960 /// is the index into the MachineConstantPool that this is, the third is the
961 /// size in bytes of this constant pool entry.
962 let neverHasSideEffects = 1, isNotDuplicable = 1 in
963 def CONSTPOOL_ENTRY :
964 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
965 i32imm:$size), NoItinerary, []>;
967 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
968 // from removing one half of the matched pairs. That breaks PEI, which assumes
969 // these will always be in pairs, and asserts if it finds otherwise. Better way?
970 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
972 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
973 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
975 def ADJCALLSTACKDOWN :
976 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
977 [(ARMcallseq_start timm:$amt)]>;
980 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
981 [/* For disassembly only; pattern left blank */]>,
982 Requires<[IsARM, HasV6T2]> {
983 let Inst{27-16} = 0b001100100000;
984 let Inst{15-8} = 0b11110000;
985 let Inst{7-0} = 0b00000000;
988 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
989 [/* For disassembly only; pattern left blank */]>,
990 Requires<[IsARM, HasV6T2]> {
991 let Inst{27-16} = 0b001100100000;
992 let Inst{15-8} = 0b11110000;
993 let Inst{7-0} = 0b00000001;
996 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
997 [/* For disassembly only; pattern left blank */]>,
998 Requires<[IsARM, HasV6T2]> {
999 let Inst{27-16} = 0b001100100000;
1000 let Inst{15-8} = 0b11110000;
1001 let Inst{7-0} = 0b00000010;
1004 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1005 [/* For disassembly only; pattern left blank */]>,
1006 Requires<[IsARM, HasV6T2]> {
1007 let Inst{27-16} = 0b001100100000;
1008 let Inst{15-8} = 0b11110000;
1009 let Inst{7-0} = 0b00000011;
1012 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1014 [/* For disassembly only; pattern left blank */]>,
1015 Requires<[IsARM, HasV6]> {
1020 let Inst{15-12} = Rd;
1021 let Inst{19-16} = Rn;
1022 let Inst{27-20} = 0b01101000;
1023 let Inst{7-4} = 0b1011;
1024 let Inst{11-8} = 0b1111;
1027 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1028 [/* For disassembly only; pattern left blank */]>,
1029 Requires<[IsARM, HasV6T2]> {
1030 let Inst{27-16} = 0b001100100000;
1031 let Inst{15-8} = 0b11110000;
1032 let Inst{7-0} = 0b00000100;
1035 // The i32imm operand $val can be used by a debugger to store more information
1036 // about the breakpoint.
1037 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1038 [/* For disassembly only; pattern left blank */]>,
1041 let Inst{3-0} = val{3-0};
1042 let Inst{19-8} = val{15-4};
1043 let Inst{27-20} = 0b00010010;
1044 let Inst{7-4} = 0b0111;
1047 // Change Processor State is a system instruction -- for disassembly only.
1048 // The singleton $opt operand contains the following information:
1049 // opt{4-0} = mode from Inst{4-0}
1050 // opt{5} = changemode from Inst{17}
1051 // opt{8-6} = AIF from Inst{8-6}
1052 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1053 // FIXME: Integrated assembler will need these split out.
1054 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1055 [/* For disassembly only; pattern left blank */]>,
1057 let Inst{31-28} = 0b1111;
1058 let Inst{27-20} = 0b00010000;
1063 // Preload signals the memory system of possible future data/instruction access.
1064 // These are for disassembly only.
1065 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1067 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1068 !strconcat(opc, "\t$addr"),
1069 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1072 let Inst{31-26} = 0b111101;
1073 let Inst{25} = 0; // 0 for immediate form
1074 let Inst{24} = data;
1075 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1076 let Inst{22} = read;
1077 let Inst{21-20} = 0b01;
1078 let Inst{19-16} = addr{16-13}; // Rn
1079 let Inst{15-12} = Rt;
1080 let Inst{11-0} = addr{11-0}; // imm12
1083 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1084 !strconcat(opc, "\t$shift"),
1085 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1088 let Inst{31-26} = 0b111101;
1089 let Inst{25} = 1; // 1 for register form
1090 let Inst{24} = data;
1091 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1092 let Inst{22} = read;
1093 let Inst{21-20} = 0b01;
1094 let Inst{19-16} = shift{16-13}; // Rn
1095 let Inst{11-0} = shift{11-0};
1099 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1100 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1101 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1103 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1105 [/* For disassembly only; pattern left blank */]>,
1108 let Inst{31-10} = 0b1111000100000001000000;
1113 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1114 [/* For disassembly only; pattern left blank */]>,
1115 Requires<[IsARM, HasV7]> {
1117 let Inst{27-4} = 0b001100100000111100001111;
1118 let Inst{3-0} = opt;
1121 // A5.4 Permanently UNDEFINED instructions.
1122 let isBarrier = 1, isTerminator = 1 in
1123 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1126 let Inst{27-25} = 0b011;
1127 let Inst{24-20} = 0b11111;
1128 let Inst{7-5} = 0b111;
1132 // Address computation and loads and stores in PIC mode.
1133 let isNotDuplicable = 1 in {
1134 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1136 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1138 let AddedComplexity = 10 in {
1139 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1141 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1143 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1145 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1147 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1149 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1151 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1153 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1155 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1157 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1159 let AddedComplexity = 10 in {
1160 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1161 Pseudo, IIC_iStore_r, "",
1162 [(store GPR:$src, addrmodepc:$addr)]>;
1164 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1165 Pseudo, IIC_iStore_bh_r, "",
1166 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1168 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1169 Pseudo, IIC_iStore_bh_r, "",
1170 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1172 } // isNotDuplicable = 1
1175 // LEApcrel - Load a pc-relative address into a register without offending the
1177 let neverHasSideEffects = 1 in {
1178 let isReMaterializable = 1 in
1179 // FIXME: We want one cannonical LEApcrel instruction and to express one or
1180 // both of these as pseudo-instructions that get expanded to it.
1181 def LEApcrel : AXI1<0, (outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1183 "adr$p\t$Rd, #$label", []>;
1185 } // neverHasSideEffects
1186 def LEApcrelJT : AXI1<0b0100, (outs GPR:$Rd),
1187 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1189 "adr$p\t$Rd, #${label}_${id}", []> {
1192 let Inst{31-28} = p;
1193 let Inst{27-25} = 0b001;
1195 let Inst{19-16} = 0b1111;
1196 let Inst{15-12} = Rd;
1197 // FIXME: Add label encoding/fixup
1200 //===----------------------------------------------------------------------===//
1201 // Control Flow Instructions.
1204 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1206 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1207 "bx", "\tlr", [(ARMretflag)]>,
1208 Requires<[IsARM, HasV4T]> {
1209 let Inst{27-0} = 0b0001001011111111111100011110;
1213 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1214 "mov", "\tpc, lr", [(ARMretflag)]>,
1215 Requires<[IsARM, NoV4T]> {
1216 let Inst{27-0} = 0b0001101000001111000000001110;
1220 // Indirect branches
1221 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1223 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1224 [(brind GPR:$dst)]>,
1225 Requires<[IsARM, HasV4T]> {
1227 let Inst{31-4} = 0b1110000100101111111111110001;
1228 let Inst{3-0} = dst;
1232 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1233 [(brind GPR:$dst)]>,
1234 Requires<[IsARM, NoV4T]> {
1236 let Inst{31-4} = 0b1110000110100000111100000000;
1237 let Inst{3-0} = dst;
1241 // On non-Darwin platforms R9 is callee-saved.
1243 Defs = [R0, R1, R2, R3, R12, LR,
1244 D0, D1, D2, D3, D4, D5, D6, D7,
1245 D16, D17, D18, D19, D20, D21, D22, D23,
1246 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1247 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1248 IIC_Br, "bl\t$func",
1249 [(ARMcall tglobaladdr:$func)]>,
1250 Requires<[IsARM, IsNotDarwin]> {
1251 let Inst{31-28} = 0b1110;
1253 let Inst{23-0} = func;
1256 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1257 IIC_Br, "bl", "\t$func",
1258 [(ARMcall_pred tglobaladdr:$func)]>,
1259 Requires<[IsARM, IsNotDarwin]> {
1261 let Inst{23-0} = func;
1265 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1266 IIC_Br, "blx\t$func",
1267 [(ARMcall GPR:$func)]>,
1268 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1270 let Inst{27-4} = 0b000100101111111111110011;
1271 let Inst{3-0} = func;
1275 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1276 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1277 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1278 [(ARMcall_nolink tGPR:$func)]>,
1279 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1281 let Inst{27-4} = 0b000100101111111111110001;
1282 let Inst{3-0} = func;
1286 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1287 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1288 [(ARMcall_nolink tGPR:$func)]>,
1289 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1291 let Inst{27-4} = 0b000110100000111100000000;
1292 let Inst{3-0} = func;
1296 // On Darwin R9 is call-clobbered.
1298 Defs = [R0, R1, R2, R3, R9, R12, LR,
1299 D0, D1, D2, D3, D4, D5, D6, D7,
1300 D16, D17, D18, D19, D20, D21, D22, D23,
1301 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1302 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1303 IIC_Br, "bl\t$func",
1304 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1305 let Inst{31-28} = 0b1110;
1307 let Inst{23-0} = func;
1310 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1311 IIC_Br, "bl", "\t$func",
1312 [(ARMcall_pred tglobaladdr:$func)]>,
1313 Requires<[IsARM, IsDarwin]> {
1315 let Inst{23-0} = func;
1319 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1320 IIC_Br, "blx\t$func",
1321 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1323 let Inst{27-4} = 0b000100101111111111110011;
1324 let Inst{3-0} = func;
1328 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1329 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1330 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1331 [(ARMcall_nolink tGPR:$func)]>,
1332 Requires<[IsARM, HasV4T, IsDarwin]> {
1334 let Inst{27-4} = 0b000100101111111111110001;
1335 let Inst{3-0} = func;
1339 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1340 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1341 [(ARMcall_nolink tGPR:$func)]>,
1342 Requires<[IsARM, NoV4T, IsDarwin]> {
1344 let Inst{27-4} = 0b000110100000111100000000;
1345 let Inst{3-0} = func;
1351 // FIXME: These should probably be xformed into the non-TC versions of the
1352 // instructions as part of MC lowering.
1353 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1355 let Defs = [R0, R1, R2, R3, R9, R12,
1356 D0, D1, D2, D3, D4, D5, D6, D7,
1357 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1358 D27, D28, D29, D30, D31, PC],
1360 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1362 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1364 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1366 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1368 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1369 IIC_Br, "b\t$dst @ TAILCALL",
1370 []>, Requires<[IsDarwin]>;
1372 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1373 IIC_Br, "b.w\t$dst @ TAILCALL",
1374 []>, Requires<[IsDarwin]>;
1376 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1377 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1378 []>, Requires<[IsDarwin]> {
1380 let Inst{31-4} = 0b1110000100101111111111110001;
1381 let Inst{3-0} = dst;
1385 // Non-Darwin versions (the difference is R9).
1386 let Defs = [R0, R1, R2, R3, R12,
1387 D0, D1, D2, D3, D4, D5, D6, D7,
1388 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1389 D27, D28, D29, D30, D31, PC],
1391 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1393 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1395 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1397 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1399 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1400 IIC_Br, "b\t$dst @ TAILCALL",
1401 []>, Requires<[IsARM, IsNotDarwin]>;
1403 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1404 IIC_Br, "b.w\t$dst @ TAILCALL",
1405 []>, Requires<[IsThumb, IsNotDarwin]>;
1407 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1408 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1409 []>, Requires<[IsNotDarwin]> {
1411 let Inst{31-4} = 0b1110000100101111111111110001;
1412 let Inst{3-0} = dst;
1417 let isBranch = 1, isTerminator = 1 in {
1418 // B is "predicable" since it can be xformed into a Bcc.
1419 let isBarrier = 1 in {
1420 let isPredicable = 1 in
1421 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1422 "b\t$target", [(br bb:$target)]> {
1424 let Inst{31-28} = 0b1110;
1425 let Inst{23-0} = target;
1428 let isNotDuplicable = 1, isIndirectBranch = 1,
1429 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1430 isCodeGenOnly = 1 in {
1431 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1432 IIC_Br, "mov\tpc, $target$jt",
1433 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1434 let Inst{11-4} = 0b00000000;
1435 let Inst{15-12} = 0b1111;
1436 let Inst{20} = 0; // S Bit
1437 let Inst{24-21} = 0b1101;
1438 let Inst{27-25} = 0b000;
1440 def BR_JTm : JTI<(outs),
1441 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1442 IIC_Br, "ldr\tpc, $target$jt",
1443 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1445 let Inst{15-12} = 0b1111;
1446 let Inst{20} = 1; // L bit
1447 let Inst{21} = 0; // W bit
1448 let Inst{22} = 0; // B bit
1449 let Inst{24} = 1; // P bit
1450 let Inst{27-25} = 0b011;
1452 def BR_JTadd : PseudoInst<(outs),
1453 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1455 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1457 } // isNotDuplicable = 1, isIndirectBranch = 1
1460 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1461 // a two-value operand where a dag node expects two operands. :(
1462 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1463 IIC_Br, "b", "\t$target",
1464 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1466 let Inst{23-0} = target;
1470 // Branch and Exchange Jazelle -- for disassembly only
1471 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1472 [/* For disassembly only; pattern left blank */]> {
1473 let Inst{23-20} = 0b0010;
1474 //let Inst{19-8} = 0xfff;
1475 let Inst{7-4} = 0b0010;
1478 // Secure Monitor Call is a system instruction -- for disassembly only
1479 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1480 [/* For disassembly only; pattern left blank */]> {
1482 let Inst{23-4} = 0b01100000000000000111;
1483 let Inst{3-0} = opt;
1486 // Supervisor Call (Software Interrupt) -- for disassembly only
1488 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1489 [/* For disassembly only; pattern left blank */]> {
1491 let Inst{23-0} = svc;
1495 // Store Return State is a system instruction -- for disassembly only
1496 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1497 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1498 NoItinerary, "srs${amode}\tsp!, $mode",
1499 [/* For disassembly only; pattern left blank */]> {
1500 let Inst{31-28} = 0b1111;
1501 let Inst{22-20} = 0b110; // W = 1
1504 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1505 NoItinerary, "srs${amode}\tsp, $mode",
1506 [/* For disassembly only; pattern left blank */]> {
1507 let Inst{31-28} = 0b1111;
1508 let Inst{22-20} = 0b100; // W = 0
1511 // Return From Exception is a system instruction -- for disassembly only
1512 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1513 NoItinerary, "rfe${amode}\t$base!",
1514 [/* For disassembly only; pattern left blank */]> {
1515 let Inst{31-28} = 0b1111;
1516 let Inst{22-20} = 0b011; // W = 1
1519 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1520 NoItinerary, "rfe${amode}\t$base",
1521 [/* For disassembly only; pattern left blank */]> {
1522 let Inst{31-28} = 0b1111;
1523 let Inst{22-20} = 0b001; // W = 0
1525 } // isCodeGenOnly = 1
1527 //===----------------------------------------------------------------------===//
1528 // Load / store Instructions.
1534 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1535 UnOpFrag<(load node:$Src)>>;
1536 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1537 UnOpFrag<(zextloadi8 node:$Src)>>;
1538 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1539 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1540 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1541 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1543 // Special LDR for loads from non-pc-relative constpools.
1544 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1545 isReMaterializable = 1 in
1546 def LDRcp : AIldst1<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1547 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1551 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1552 let Inst{19-16} = 0b1111;
1553 let Inst{15-12} = Rt;
1554 let Inst{11-0} = addr{11-0}; // imm12
1557 // Loads with zero extension
1558 def LDRH : AI3ld<0b1011, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1559 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1560 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1562 // Loads with sign extension
1563 def LDRSH : AI3ld<0b1111, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1564 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1565 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1567 def LDRSB : AI3ld<0b1101, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1568 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1569 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1571 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1572 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1574 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1575 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1576 []>, Requires<[IsARM, HasV5TE]>;
1579 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1580 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1581 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1582 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1584 // {13} 1 == Rm, 0 == imm12
1588 let Inst{25} = addr{13};
1589 let Inst{23} = addr{12};
1590 let Inst{19-16} = addr{17-14};
1591 let Inst{11-0} = addr{11-0};
1593 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1594 (ins GPR:$Rn, am2offset:$offset),
1595 IndexModePost, LdFrm, itin,
1596 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1597 // {13} 1 == Rm, 0 == imm12
1602 let Inst{25} = offset{13};
1603 let Inst{23} = offset{12};
1604 let Inst{19-16} = Rn;
1605 let Inst{11-0} = offset{11-0};
1609 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1610 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1612 def LDRH_PRE : AI3ldhpr<(outs GPR:$Rt, GPR:$Rn_wb),
1613 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1614 "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1616 def LDRH_POST : AI3ldhpo<(outs GPR:$Rt, GPR:$Rn_wb),
1617 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1618 "ldrh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1620 def LDRSH_PRE : AI3ldshpr<(outs GPR:$Rt, GPR:$Rn_wb),
1621 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1622 "ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1624 def LDRSH_POST: AI3ldshpo<(outs GPR:$Rt, GPR:$Rn_wb),
1625 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1626 "ldrsh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1628 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$Rt, GPR:$Rn_wb),
1629 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1630 "ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1632 def LDRSB_POST: AI3ldsbpo<(outs GPR:$Rt, GPR:$Rn_wb),
1633 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1634 "ldrsb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1636 // For disassembly only
1637 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1638 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1639 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1640 Requires<[IsARM, HasV5TE]>;
1642 // For disassembly only
1643 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1644 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1645 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1646 Requires<[IsARM, HasV5TE]>;
1648 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1650 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1652 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1653 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1654 LdFrm, IIC_iLoad_ru,
1655 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1656 let Inst{21} = 1; // overwrite
1659 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1660 (ins GPR:$base,am2offset:$offset), IndexModeNone,
1661 LdFrm, IIC_iLoad_bh_ru,
1662 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1663 let Inst{21} = 1; // overwrite
1666 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1667 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1668 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1669 let Inst{21} = 1; // overwrite
1672 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1673 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1674 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1675 let Inst{21} = 1; // overwrite
1678 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1679 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1680 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1681 let Inst{21} = 1; // overwrite
1686 // Stores with truncate
1687 def STRH : AI3sth<(outs), (ins GPR:$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 // $src2 doesn't exist in asm string
1694 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1695 StMiscFrm, IIC_iStore_d_r,
1696 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1699 def STR_PRE : AI2ldstidx<0, 0, 1, (outs GPR:$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))]> {
1705 // {13} 1 == Rm, 0 == imm12
1710 let Inst{25} = offset{13};
1711 let Inst{23} = offset{12};
1712 let Inst{19-16} = Rn;
1713 let Inst{11-0} = offset{11-0};
1716 def STR_POST : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
1717 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1718 IndexModePost, StFrm, IIC_iStore_ru,
1719 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1721 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1722 // {13} 1 == Rm, 0 == imm12
1727 let Inst{25} = offset{13};
1728 let Inst{23} = offset{12};
1729 let Inst{19-16} = Rn;
1730 let Inst{11-0} = offset{11-0};
1733 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1734 (ins GPR:$src, GPR:$base,am3offset:$offset),
1735 StMiscFrm, IIC_iStore_ru,
1736 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1738 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1740 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1741 (ins GPR:$src, GPR:$base,am3offset:$offset),
1742 StMiscFrm, IIC_iStore_bh_ru,
1743 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1744 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1745 GPR:$base, am3offset:$offset))]>;
1747 def STRB_PRE : AI2ldstidx<0, 1, 1, (outs GPR:$Rn_wb),
1748 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1749 IndexModePre, StFrm, IIC_iStore_bh_ru,
1750 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1751 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1752 GPR:$Rn, am2offset:$offset))]> {
1753 // {13} 1 == Rm, 0 == imm12
1758 let Inst{25} = offset{13};
1759 let Inst{23} = offset{12};
1760 let Inst{19-16} = Rn;
1761 let Inst{11-0} = offset{11-0};
1764 def STRB_POST: AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
1765 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1766 IndexModePost, StFrm, IIC_iStore_bh_ru,
1767 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1768 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1769 GPR:$Rn, am2offset:$offset))]> {
1770 // {13} 1 == Rm, 0 == imm12
1775 let Inst{25} = offset{13};
1776 let Inst{23} = offset{12};
1777 let Inst{19-16} = Rn;
1778 let Inst{11-0} = offset{11-0};
1781 // For disassembly only
1782 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1783 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1784 StMiscFrm, IIC_iStore_d_ru,
1785 "strd", "\t$src1, $src2, [$base, $offset]!",
1786 "$base = $base_wb", []>;
1788 // For disassembly only
1789 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1790 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1791 StMiscFrm, IIC_iStore_d_ru,
1792 "strd", "\t$src1, $src2, [$base], $offset",
1793 "$base = $base_wb", []>;
1795 // STRT, STRBT, and STRHT are for disassembly only.
1797 def STRT : AI2ldstidx<0, 0, 0, (outs GPR:$base_wb),
1798 (ins GPR:$src, GPR:$base,am2offset:$offset),
1799 IndexModeNone, StFrm, IIC_iStore_ru,
1800 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1801 [/* For disassembly only; pattern left blank */]> {
1802 let Inst{21} = 1; // overwrite
1805 def STRBT : AI2ldstidx<0, 1, 0, (outs GPR:$base_wb),
1806 (ins GPR:$src, GPR:$base,am2offset:$offset),
1807 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1808 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1809 [/* For disassembly only; pattern left blank */]> {
1810 let Inst{21} = 1; // overwrite
1813 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1814 (ins GPR:$src, GPR:$base,am3offset:$offset),
1815 StMiscFrm, IIC_iStore_bh_ru,
1816 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1817 [/* For disassembly only; pattern left blank */]> {
1818 let Inst{21} = 1; // overwrite
1821 //===----------------------------------------------------------------------===//
1822 // Load / store multiple Instructions.
1825 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1826 InstrItinClass itin, InstrItinClass itin_upd> {
1828 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1829 IndexModeNone, f, itin,
1830 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1831 let Inst{24-23} = 0b01; // Increment After
1832 let Inst{21} = 0; // No writeback
1833 let Inst{20} = L_bit;
1836 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1837 IndexModeUpd, f, itin_upd,
1838 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1839 let Inst{24-23} = 0b01; // Increment After
1840 let Inst{21} = 1; // Writeback
1841 let Inst{20} = L_bit;
1844 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1845 IndexModeNone, f, itin,
1846 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1847 let Inst{24-23} = 0b00; // Decrement After
1848 let Inst{21} = 0; // No writeback
1849 let Inst{20} = L_bit;
1852 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1853 IndexModeUpd, f, itin_upd,
1854 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1855 let Inst{24-23} = 0b00; // Decrement After
1856 let Inst{21} = 1; // Writeback
1857 let Inst{20} = L_bit;
1860 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1861 IndexModeNone, f, itin,
1862 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1863 let Inst{24-23} = 0b10; // Decrement Before
1864 let Inst{21} = 0; // No writeback
1865 let Inst{20} = L_bit;
1868 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1869 IndexModeUpd, f, itin_upd,
1870 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1871 let Inst{24-23} = 0b10; // Decrement Before
1872 let Inst{21} = 1; // Writeback
1873 let Inst{20} = L_bit;
1876 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1877 IndexModeNone, f, itin,
1878 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1879 let Inst{24-23} = 0b11; // Increment Before
1880 let Inst{21} = 0; // No writeback
1881 let Inst{20} = L_bit;
1884 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1885 IndexModeUpd, f, itin_upd,
1886 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1887 let Inst{24-23} = 0b11; // Increment Before
1888 let Inst{21} = 1; // Writeback
1889 let Inst{20} = L_bit;
1893 let neverHasSideEffects = 1 in {
1895 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1896 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1898 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1899 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1901 } // neverHasSideEffects
1903 // Load / Store Multiple Mnemnoic Aliases
1904 def : MnemonicAlias<"ldm", "ldmia">;
1905 def : MnemonicAlias<"stm", "stmia">;
1907 // FIXME: remove when we have a way to marking a MI with these properties.
1908 // FIXME: Should pc be an implicit operand like PICADD, etc?
1909 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1910 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1911 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1912 reglist:$regs, variable_ops),
1913 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1914 "ldmia${p}\t$Rn!, $regs",
1916 let Inst{24-23} = 0b01; // Increment After
1917 let Inst{21} = 1; // Writeback
1918 let Inst{20} = 1; // Load
1921 //===----------------------------------------------------------------------===//
1922 // Move Instructions.
1925 let neverHasSideEffects = 1 in
1926 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1927 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1931 let Inst{11-4} = 0b00000000;
1934 let Inst{15-12} = Rd;
1937 // A version for the smaller set of tail call registers.
1938 let neverHasSideEffects = 1 in
1939 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1940 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1944 let Inst{11-4} = 0b00000000;
1947 let Inst{15-12} = Rd;
1950 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1951 DPSoRegFrm, IIC_iMOVsr,
1952 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1956 let Inst{15-12} = Rd;
1957 let Inst{11-0} = src;
1961 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1962 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1963 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1967 let Inst{15-12} = Rd;
1968 let Inst{19-16} = 0b0000;
1969 let Inst{11-0} = imm;
1972 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1973 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1975 "movw", "\t$Rd, $imm",
1976 [(set GPR:$Rd, imm0_65535:$imm)]>,
1977 Requires<[IsARM, HasV6T2]>, UnaryDP {
1980 let Inst{15-12} = Rd;
1981 let Inst{11-0} = imm{11-0};
1982 let Inst{19-16} = imm{15-12};
1987 let Constraints = "$src = $Rd" in
1988 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1990 "movt", "\t$Rd, $imm",
1992 (or (and GPR:$src, 0xffff),
1993 lo16AllZero:$imm))]>, UnaryDP,
1994 Requires<[IsARM, HasV6T2]> {
1997 let Inst{15-12} = Rd;
1998 let Inst{11-0} = imm{11-0};
1999 let Inst{19-16} = imm{15-12};
2004 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2005 Requires<[IsARM, HasV6T2]>;
2007 let Uses = [CPSR] in
2008 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2009 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2012 // These aren't really mov instructions, but we have to define them this way
2013 // due to flag operands.
2015 let Defs = [CPSR] in {
2016 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2017 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2019 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2020 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2024 //===----------------------------------------------------------------------===//
2025 // Extend Instructions.
2030 defm SXTB : AI_ext_rrot<0b01101010,
2031 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2032 defm SXTH : AI_ext_rrot<0b01101011,
2033 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2035 defm SXTAB : AI_exta_rrot<0b01101010,
2036 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2037 defm SXTAH : AI_exta_rrot<0b01101011,
2038 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2040 // For disassembly only
2041 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2043 // For disassembly only
2044 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2048 let AddedComplexity = 16 in {
2049 defm UXTB : AI_ext_rrot<0b01101110,
2050 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2051 defm UXTH : AI_ext_rrot<0b01101111,
2052 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2053 defm UXTB16 : AI_ext_rrot<0b01101100,
2054 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2056 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2057 // The transformation should probably be done as a combiner action
2058 // instead so we can include a check for masking back in the upper
2059 // eight bits of the source into the lower eight bits of the result.
2060 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2061 // (UXTB16r_rot GPR:$Src, 24)>;
2062 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2063 (UXTB16r_rot GPR:$Src, 8)>;
2065 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2066 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2067 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2068 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2071 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2072 // For disassembly only
2073 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2076 def SBFX : I<(outs GPR:$Rd),
2077 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2078 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2079 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2080 Requires<[IsARM, HasV6T2]> {
2085 let Inst{27-21} = 0b0111101;
2086 let Inst{6-4} = 0b101;
2087 let Inst{20-16} = width;
2088 let Inst{15-12} = Rd;
2089 let Inst{11-7} = lsb;
2093 def UBFX : I<(outs GPR:$Rd),
2094 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2095 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2096 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2097 Requires<[IsARM, HasV6T2]> {
2102 let Inst{27-21} = 0b0111111;
2103 let Inst{6-4} = 0b101;
2104 let Inst{20-16} = width;
2105 let Inst{15-12} = Rd;
2106 let Inst{11-7} = lsb;
2110 //===----------------------------------------------------------------------===//
2111 // Arithmetic Instructions.
2114 defm ADD : AsI1_bin_irs<0b0100, "add",
2115 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2116 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2117 defm SUB : AsI1_bin_irs<0b0010, "sub",
2118 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2119 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2121 // ADD and SUB with 's' bit set.
2122 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2123 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2124 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2125 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2126 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2127 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2129 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2130 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2131 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2132 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2133 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2134 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2135 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2136 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2138 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2139 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2140 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2145 let Inst{15-12} = Rd;
2146 let Inst{19-16} = Rn;
2147 let Inst{11-0} = imm;
2150 // The reg/reg form is only defined for the disassembler; for codegen it is
2151 // equivalent to SUBrr.
2152 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2153 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2154 [/* For disassembly only; pattern left blank */]> {
2158 let Inst{11-4} = 0b00000000;
2161 let Inst{15-12} = Rd;
2162 let Inst{19-16} = Rn;
2165 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2166 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2167 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2172 let Inst{11-0} = shift;
2173 let Inst{15-12} = Rd;
2174 let Inst{19-16} = Rn;
2177 // RSB with 's' bit set.
2178 let Defs = [CPSR] in {
2179 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2180 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2181 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2187 let Inst{15-12} = Rd;
2188 let Inst{19-16} = Rn;
2189 let Inst{11-0} = imm;
2191 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2192 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2193 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2199 let Inst{11-0} = shift;
2200 let Inst{15-12} = Rd;
2201 let Inst{19-16} = Rn;
2205 let Uses = [CPSR] in {
2206 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2207 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2208 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2214 let Inst{15-12} = Rd;
2215 let Inst{19-16} = Rn;
2216 let Inst{11-0} = imm;
2218 // The reg/reg form is only defined for the disassembler; for codegen it is
2219 // equivalent to SUBrr.
2220 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2221 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2222 [/* For disassembly only; pattern left blank */]> {
2226 let Inst{11-4} = 0b00000000;
2229 let Inst{15-12} = Rd;
2230 let Inst{19-16} = Rn;
2232 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2233 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2234 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2240 let Inst{11-0} = shift;
2241 let Inst{15-12} = Rd;
2242 let Inst{19-16} = Rn;
2246 // FIXME: Allow these to be predicated.
2247 let Defs = [CPSR], Uses = [CPSR] in {
2248 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2249 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2250 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2257 let Inst{15-12} = Rd;
2258 let Inst{19-16} = Rn;
2259 let Inst{11-0} = imm;
2261 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2262 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2263 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2270 let Inst{11-0} = shift;
2271 let Inst{15-12} = Rd;
2272 let Inst{19-16} = Rn;
2276 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2277 // The assume-no-carry-in form uses the negation of the input since add/sub
2278 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2279 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2281 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2282 (SUBri GPR:$src, so_imm_neg:$imm)>;
2283 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2284 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2285 // The with-carry-in form matches bitwise not instead of the negation.
2286 // Effectively, the inverse interpretation of the carry flag already accounts
2287 // for part of the negation.
2288 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2289 (SBCri GPR:$src, so_imm_not:$imm)>;
2291 // Note: These are implemented in C++ code, because they have to generate
2292 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2294 // (mul X, 2^n+1) -> (add (X << n), X)
2295 // (mul X, 2^n-1) -> (rsb X, (X << n))
2297 // ARM Arithmetic Instruction -- for disassembly only
2298 // GPR:$dst = GPR:$a op GPR:$b
2299 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2300 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2301 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2302 opc, "\t$Rd, $Rn, $Rm", pattern> {
2306 let Inst{27-20} = op27_20;
2307 let Inst{11-4} = op11_4;
2308 let Inst{19-16} = Rn;
2309 let Inst{15-12} = Rd;
2313 // Saturating add/subtract -- for disassembly only
2315 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2316 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2317 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2318 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2319 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2320 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2322 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2323 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2324 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2325 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2326 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2327 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2328 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2329 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2330 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2331 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2332 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2333 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2335 // Signed/Unsigned add/subtract -- for disassembly only
2337 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2338 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2339 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2340 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2341 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2342 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2343 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2344 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2345 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2346 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2347 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2348 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2350 // Signed/Unsigned halving add/subtract -- for disassembly only
2352 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2353 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2354 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2355 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2356 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2357 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2358 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2359 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2360 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2361 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2362 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2363 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2365 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2367 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2368 MulFrm /* for convenience */, NoItinerary, "usad8",
2369 "\t$Rd, $Rn, $Rm", []>,
2370 Requires<[IsARM, HasV6]> {
2374 let Inst{27-20} = 0b01111000;
2375 let Inst{15-12} = 0b1111;
2376 let Inst{7-4} = 0b0001;
2377 let Inst{19-16} = Rd;
2378 let Inst{11-8} = Rm;
2381 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2382 MulFrm /* for convenience */, NoItinerary, "usada8",
2383 "\t$Rd, $Rn, $Rm, $Ra", []>,
2384 Requires<[IsARM, HasV6]> {
2389 let Inst{27-20} = 0b01111000;
2390 let Inst{7-4} = 0b0001;
2391 let Inst{19-16} = Rd;
2392 let Inst{15-12} = Ra;
2393 let Inst{11-8} = Rm;
2397 // Signed/Unsigned saturate -- for disassembly only
2399 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2400 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2401 [/* For disassembly only; pattern left blank */]> {
2406 let Inst{27-21} = 0b0110101;
2407 let Inst{5-4} = 0b01;
2408 let Inst{20-16} = sat_imm;
2409 let Inst{15-12} = Rd;
2410 let Inst{11-7} = sh{7-3};
2411 let Inst{6} = sh{0};
2415 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2416 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2417 [/* For disassembly only; pattern left blank */]> {
2421 let Inst{27-20} = 0b01101010;
2422 let Inst{11-4} = 0b11110011;
2423 let Inst{15-12} = Rd;
2424 let Inst{19-16} = sat_imm;
2428 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2429 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2430 [/* For disassembly only; pattern left blank */]> {
2435 let Inst{27-21} = 0b0110111;
2436 let Inst{5-4} = 0b01;
2437 let Inst{15-12} = Rd;
2438 let Inst{11-7} = sh{7-3};
2439 let Inst{6} = sh{0};
2440 let Inst{20-16} = sat_imm;
2444 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2445 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2446 [/* For disassembly only; pattern left blank */]> {
2450 let Inst{27-20} = 0b01101110;
2451 let Inst{11-4} = 0b11110011;
2452 let Inst{15-12} = Rd;
2453 let Inst{19-16} = sat_imm;
2457 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2458 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2460 //===----------------------------------------------------------------------===//
2461 // Bitwise Instructions.
2464 defm AND : AsI1_bin_irs<0b0000, "and",
2465 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2466 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2467 defm ORR : AsI1_bin_irs<0b1100, "orr",
2468 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2469 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2470 defm EOR : AsI1_bin_irs<0b0001, "eor",
2471 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2472 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2473 defm BIC : AsI1_bin_irs<0b1110, "bic",
2474 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2475 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2477 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2478 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2479 "bfc", "\t$Rd, $imm", "$src = $Rd",
2480 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2481 Requires<[IsARM, HasV6T2]> {
2484 let Inst{27-21} = 0b0111110;
2485 let Inst{6-0} = 0b0011111;
2486 let Inst{15-12} = Rd;
2487 let Inst{11-7} = imm{4-0}; // lsb
2488 let Inst{20-16} = imm{9-5}; // width
2491 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2492 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2493 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2494 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2495 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2496 bf_inv_mask_imm:$imm))]>,
2497 Requires<[IsARM, HasV6T2]> {
2501 let Inst{27-21} = 0b0111110;
2502 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2503 let Inst{15-12} = Rd;
2504 let Inst{11-7} = imm{4-0}; // lsb
2505 let Inst{20-16} = imm{9-5}; // width
2509 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2510 "mvn", "\t$Rd, $Rm",
2511 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2515 let Inst{19-16} = 0b0000;
2516 let Inst{11-4} = 0b00000000;
2517 let Inst{15-12} = Rd;
2520 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2521 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2522 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2526 let Inst{19-16} = 0b0000;
2527 let Inst{15-12} = Rd;
2528 let Inst{11-0} = shift;
2530 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2531 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2532 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2533 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2537 let Inst{19-16} = 0b0000;
2538 let Inst{15-12} = Rd;
2539 let Inst{11-0} = imm;
2542 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2543 (BICri GPR:$src, so_imm_not:$imm)>;
2545 //===----------------------------------------------------------------------===//
2546 // Multiply Instructions.
2548 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2549 string opc, string asm, list<dag> pattern>
2550 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2554 let Inst{19-16} = Rd;
2555 let Inst{11-8} = Rm;
2558 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2559 string opc, string asm, list<dag> pattern>
2560 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2565 let Inst{19-16} = RdHi;
2566 let Inst{15-12} = RdLo;
2567 let Inst{11-8} = Rm;
2571 let isCommutable = 1 in
2572 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2573 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2574 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2576 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2577 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2578 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2580 let Inst{15-12} = Ra;
2583 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2584 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2585 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2586 Requires<[IsARM, HasV6T2]> {
2590 let Inst{19-16} = Rd;
2591 let Inst{11-8} = Rm;
2595 // Extra precision multiplies with low / high results
2597 let neverHasSideEffects = 1 in {
2598 let isCommutable = 1 in {
2599 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2600 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2601 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2603 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2604 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2605 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2608 // Multiply + accumulate
2609 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2610 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2611 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2613 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2614 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2615 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2617 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2618 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2619 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2620 Requires<[IsARM, HasV6]> {
2625 let Inst{19-16} = RdLo;
2626 let Inst{15-12} = RdHi;
2627 let Inst{11-8} = Rm;
2630 } // neverHasSideEffects
2632 // Most significant word multiply
2633 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2634 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2635 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2636 Requires<[IsARM, HasV6]> {
2637 let Inst{15-12} = 0b1111;
2640 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2641 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2642 [/* For disassembly only; pattern left blank */]>,
2643 Requires<[IsARM, HasV6]> {
2644 let Inst{15-12} = 0b1111;
2647 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2648 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2649 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2650 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2651 Requires<[IsARM, HasV6]>;
2653 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2654 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2655 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2656 [/* For disassembly only; pattern left blank */]>,
2657 Requires<[IsARM, HasV6]>;
2659 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2660 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2661 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2662 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2663 Requires<[IsARM, HasV6]>;
2665 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2666 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2667 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2668 [/* For disassembly only; pattern left blank */]>,
2669 Requires<[IsARM, HasV6]>;
2671 multiclass AI_smul<string opc, PatFrag opnode> {
2672 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2673 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2674 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2675 (sext_inreg GPR:$Rm, i16)))]>,
2676 Requires<[IsARM, HasV5TE]>;
2678 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2679 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2680 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2681 (sra GPR:$Rm, (i32 16))))]>,
2682 Requires<[IsARM, HasV5TE]>;
2684 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2685 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2686 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2687 (sext_inreg GPR:$Rm, i16)))]>,
2688 Requires<[IsARM, HasV5TE]>;
2690 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2691 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2692 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2693 (sra GPR:$Rm, (i32 16))))]>,
2694 Requires<[IsARM, HasV5TE]>;
2696 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2697 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2698 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2699 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2700 Requires<[IsARM, HasV5TE]>;
2702 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2703 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2704 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2705 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2706 Requires<[IsARM, HasV5TE]>;
2710 multiclass AI_smla<string opc, PatFrag opnode> {
2711 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2712 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2713 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2714 [(set GPR:$Rd, (add GPR:$Ra,
2715 (opnode (sext_inreg GPR:$Rn, i16),
2716 (sext_inreg GPR:$Rm, i16))))]>,
2717 Requires<[IsARM, HasV5TE]>;
2719 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2720 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2721 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2722 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2723 (sra GPR:$Rm, (i32 16)))))]>,
2724 Requires<[IsARM, HasV5TE]>;
2726 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2727 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2728 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2729 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2730 (sext_inreg GPR:$Rm, i16))))]>,
2731 Requires<[IsARM, HasV5TE]>;
2733 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2734 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2735 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2736 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2737 (sra GPR:$Rm, (i32 16)))))]>,
2738 Requires<[IsARM, HasV5TE]>;
2740 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2741 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2742 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2743 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2744 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2745 Requires<[IsARM, HasV5TE]>;
2747 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2748 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2749 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2750 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2751 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2752 Requires<[IsARM, HasV5TE]>;
2755 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2756 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2758 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2759 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2760 (ins GPR:$Rn, GPR:$Rm),
2761 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2762 [/* For disassembly only; pattern left blank */]>,
2763 Requires<[IsARM, HasV5TE]>;
2765 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2766 (ins GPR:$Rn, GPR:$Rm),
2767 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2768 [/* For disassembly only; pattern left blank */]>,
2769 Requires<[IsARM, HasV5TE]>;
2771 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2772 (ins GPR:$Rn, GPR:$Rm),
2773 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2774 [/* For disassembly only; pattern left blank */]>,
2775 Requires<[IsARM, HasV5TE]>;
2777 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2778 (ins GPR:$Rn, GPR:$Rm),
2779 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2780 [/* For disassembly only; pattern left blank */]>,
2781 Requires<[IsARM, HasV5TE]>;
2783 // Helper class for AI_smld -- for disassembly only
2784 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2785 InstrItinClass itin, string opc, string asm>
2786 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2793 let Inst{21-20} = 0b00;
2794 let Inst{22} = long;
2795 let Inst{27-23} = 0b01110;
2796 let Inst{11-8} = Rm;
2799 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2800 InstrItinClass itin, string opc, string asm>
2801 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2803 let Inst{15-12} = 0b1111;
2804 let Inst{19-16} = Rd;
2806 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2807 InstrItinClass itin, string opc, string asm>
2808 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2810 let Inst{15-12} = Ra;
2812 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2813 InstrItinClass itin, string opc, string asm>
2814 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2817 let Inst{19-16} = RdHi;
2818 let Inst{15-12} = RdLo;
2821 multiclass AI_smld<bit sub, string opc> {
2823 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2824 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2826 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2827 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2829 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2830 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2831 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2833 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2834 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2835 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2839 defm SMLA : AI_smld<0, "smla">;
2840 defm SMLS : AI_smld<1, "smls">;
2842 multiclass AI_sdml<bit sub, string opc> {
2844 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2845 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2846 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2847 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2850 defm SMUA : AI_sdml<0, "smua">;
2851 defm SMUS : AI_sdml<1, "smus">;
2853 //===----------------------------------------------------------------------===//
2854 // Misc. Arithmetic Instructions.
2857 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2858 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2859 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2861 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2862 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2863 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2864 Requires<[IsARM, HasV6T2]>;
2866 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2867 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2868 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2870 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2871 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2873 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2874 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2875 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2876 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2877 Requires<[IsARM, HasV6]>;
2879 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2880 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2883 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2884 (shl GPR:$Rm, (i32 8))), i16))]>,
2885 Requires<[IsARM, HasV6]>;
2887 def lsl_shift_imm : SDNodeXForm<imm, [{
2888 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2889 return CurDAG->getTargetConstant(Sh, MVT::i32);
2892 def lsl_amt : PatLeaf<(i32 imm), [{
2893 return (N->getZExtValue() < 32);
2896 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2897 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2898 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2899 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2900 (and (shl GPR:$Rm, lsl_amt:$sh),
2902 Requires<[IsARM, HasV6]>;
2904 // Alternate cases for PKHBT where identities eliminate some nodes.
2905 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2906 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2907 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2908 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2910 def asr_shift_imm : SDNodeXForm<imm, [{
2911 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2912 return CurDAG->getTargetConstant(Sh, MVT::i32);
2915 def asr_amt : PatLeaf<(i32 imm), [{
2916 return (N->getZExtValue() <= 32);
2919 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2920 // will match the pattern below.
2921 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2922 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2923 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2924 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2925 (and (sra GPR:$Rm, asr_amt:$sh),
2927 Requires<[IsARM, HasV6]>;
2929 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2930 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2931 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2932 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2933 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2934 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2935 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2937 //===----------------------------------------------------------------------===//
2938 // Comparison Instructions...
2941 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2942 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2943 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2945 // FIXME: We have to be careful when using the CMN instruction and comparison
2946 // with 0. One would expect these two pieces of code should give identical
2962 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2963 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2964 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2965 // value of r0 and the carry bit (because the "carry bit" parameter to
2966 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2967 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2968 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2969 // parameter to AddWithCarry is defined as 0).
2971 // When x is 0 and unsigned:
2975 // ~x + 1 = 0x1 0000 0000
2976 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2978 // Therefore, we should disable CMN when comparing against zero, until we can
2979 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2980 // when it's a comparison which doesn't look at the 'carry' flag).
2982 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2984 // This is related to <rdar://problem/7569620>.
2986 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2987 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2989 // Note that TST/TEQ don't set all the same flags that CMP does!
2990 defm TST : AI1_cmp_irs<0b1000, "tst",
2991 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2992 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2993 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2994 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2995 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2997 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2998 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2999 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
3000 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3001 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3002 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3004 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3005 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3007 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3008 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3010 // Pseudo i64 compares for some floating point compares.
3011 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3013 def BCCi64 : PseudoInst<(outs),
3014 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3016 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3018 def BCCZi64 : PseudoInst<(outs),
3019 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3020 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3021 } // usesCustomInserter
3024 // Conditional moves
3025 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3026 // a two-value operand where a dag node expects two operands. :(
3027 // FIXME: These should all be pseudo-instructions that get expanded to
3028 // the normal MOV instructions. That would fix the dependency on
3029 // special casing them in tblgen.
3030 let neverHasSideEffects = 1 in {
3031 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3032 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3033 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3034 RegConstraint<"$false = $Rd">, UnaryDP {
3039 let Inst{15-12} = Rd;
3040 let Inst{11-4} = 0b00000000;
3044 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3045 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3046 "mov", "\t$Rd, $shift",
3047 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3048 RegConstraint<"$false = $Rd">, UnaryDP {
3053 let Inst{19-16} = 0;
3054 let Inst{15-12} = Rd;
3055 let Inst{11-0} = shift;
3058 let isMoveImm = 1 in
3059 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
3061 "movw", "\t$Rd, $imm",
3063 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3069 let Inst{19-16} = imm{15-12};
3070 let Inst{15-12} = Rd;
3071 let Inst{11-0} = imm{11-0};
3074 let isMoveImm = 1 in
3075 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3076 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3077 "mov", "\t$Rd, $imm",
3078 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3079 RegConstraint<"$false = $Rd">, UnaryDP {
3084 let Inst{19-16} = 0b0000;
3085 let Inst{15-12} = Rd;
3086 let Inst{11-0} = imm;
3089 // Two instruction predicate mov immediate.
3090 let isMoveImm = 1 in
3091 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3092 (ins GPR:$false, i32imm:$src, pred:$p),
3093 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3095 let isMoveImm = 1 in
3096 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3097 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3098 "mvn", "\t$Rd, $imm",
3099 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3100 RegConstraint<"$false = $Rd">, UnaryDP {
3105 let Inst{19-16} = 0b0000;
3106 let Inst{15-12} = Rd;
3107 let Inst{11-0} = imm;
3109 } // neverHasSideEffects
3111 //===----------------------------------------------------------------------===//
3112 // Atomic operations intrinsics
3115 def memb_opt : Operand<i32> {
3116 let PrintMethod = "printMemBOption";
3119 // memory barriers protect the atomic sequences
3120 let hasSideEffects = 1 in {
3121 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3122 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3123 Requires<[IsARM, HasDB]> {
3125 let Inst{31-4} = 0xf57ff05;
3126 let Inst{3-0} = opt;
3129 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3130 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3131 [(ARMMemBarrierMCR GPR:$zero)]>,
3132 Requires<[IsARM, HasV6]> {
3133 // FIXME: add encoding
3137 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3139 [/* For disassembly only; pattern left blank */]>,
3140 Requires<[IsARM, HasDB]> {
3142 let Inst{31-4} = 0xf57ff04;
3143 let Inst{3-0} = opt;
3146 // ISB has only full system option -- for disassembly only
3147 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3148 Requires<[IsARM, HasDB]> {
3149 let Inst{31-4} = 0xf57ff06;
3150 let Inst{3-0} = 0b1111;
3153 let usesCustomInserter = 1 in {
3154 let Uses = [CPSR] in {
3155 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3156 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3157 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3158 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3159 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3160 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3161 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3162 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3163 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3164 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3165 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3166 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3167 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3168 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3169 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3170 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3171 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3172 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3173 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3174 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3175 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3176 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3177 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3178 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3179 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3180 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3181 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3182 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3183 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3184 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3185 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3186 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3187 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3188 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3189 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3190 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3191 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3192 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3193 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3194 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3195 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3196 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3197 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3198 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3199 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3200 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3201 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3202 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3203 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3204 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3205 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3206 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3207 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3208 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3210 def ATOMIC_SWAP_I8 : PseudoInst<
3211 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3212 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3213 def ATOMIC_SWAP_I16 : PseudoInst<
3214 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3215 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3216 def ATOMIC_SWAP_I32 : PseudoInst<
3217 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3218 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3220 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3221 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3222 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3223 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3224 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3225 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3226 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3227 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3228 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3232 let mayLoad = 1 in {
3233 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3234 "ldrexb", "\t$Rt, [$Rn]",
3236 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3237 "ldrexh", "\t$Rt, [$Rn]",
3239 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3240 "ldrex", "\t$Rt, [$Rn]",
3242 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3244 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3248 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3249 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3251 "strexb", "\t$Rd, $src, [$Rn]",
3253 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3255 "strexh", "\t$Rd, $Rt, [$Rn]",
3257 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3259 "strex", "\t$Rd, $Rt, [$Rn]",
3261 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3262 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3264 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3268 // Clear-Exclusive is for disassembly only.
3269 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3270 [/* For disassembly only; pattern left blank */]>,
3271 Requires<[IsARM, HasV7]> {
3272 let Inst{31-0} = 0b11110101011111111111000000011111;
3275 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3276 let mayLoad = 1 in {
3277 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3278 [/* For disassembly only; pattern left blank */]>;
3279 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3280 [/* For disassembly only; pattern left blank */]>;
3283 //===----------------------------------------------------------------------===//
3287 // __aeabi_read_tp preserves the registers r1-r3.
3288 // FIXME: This needs to be a pseudo of some sort so that we can get the
3289 // encoding right, complete with fixup for the aeabi_read_tp function.
3291 Defs = [R0, R12, LR, CPSR] in {
3292 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3293 "bl\t__aeabi_read_tp",
3294 [(set R0, ARMthread_pointer)]>;
3297 //===----------------------------------------------------------------------===//
3298 // SJLJ Exception handling intrinsics
3299 // eh_sjlj_setjmp() is an instruction sequence to store the return
3300 // address and save #0 in R0 for the non-longjmp case.
3301 // Since by its nature we may be coming from some other function to get
3302 // here, and we're using the stack frame for the containing function to
3303 // save/restore registers, we can't keep anything live in regs across
3304 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3305 // when we get here from a longjmp(). We force everthing out of registers
3306 // except for our own input by listing the relevant registers in Defs. By
3307 // doing so, we also cause the prologue/epilogue code to actively preserve
3308 // all of the callee-saved resgisters, which is exactly what we want.
3309 // A constant value is passed in $val, and we use the location as a scratch.
3311 // These are pseudo-instructions and are lowered to individual MC-insts, so
3312 // no encoding information is necessary.
3314 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3315 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3316 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3317 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3318 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3319 AddrModeNone, SizeSpecial, IndexModeNone,
3320 Pseudo, NoItinerary, "", "",
3321 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3322 Requires<[IsARM, HasVFP2]>;
3326 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3327 hasSideEffects = 1, isBarrier = 1 in {
3328 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3329 AddrModeNone, SizeSpecial, IndexModeNone,
3330 Pseudo, NoItinerary, "", "",
3331 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3332 Requires<[IsARM, NoVFP]>;
3335 // FIXME: Non-Darwin version(s)
3336 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3337 Defs = [ R7, LR, SP ] in {
3338 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3339 AddrModeNone, SizeSpecial, IndexModeNone,
3340 Pseudo, NoItinerary, "", "",
3341 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3342 Requires<[IsARM, IsDarwin]>;
3345 // eh.sjlj.dispatchsetup pseudo-instruction.
3346 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3347 // handled when the pseudo is expanded (which happens before any passes
3348 // that need the instruction size).
3349 let isBarrier = 1, hasSideEffects = 1 in
3350 def Int_eh_sjlj_dispatchsetup :
3351 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3352 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3353 Requires<[IsDarwin]>;
3355 //===----------------------------------------------------------------------===//
3356 // Non-Instruction Patterns
3359 // Large immediate handling.
3361 // 32-bit immediate using two piece so_imms or movw + movt.
3362 // This is a single pseudo instruction, the benefit is that it can be remat'd
3363 // as a single unit instead of having to handle reg inputs.
3364 // FIXME: Remove this when we can do generalized remat.
3365 let isReMaterializable = 1, isMoveImm = 1 in
3366 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3367 [(set GPR:$dst, (arm_i32imm:$src))]>,
3370 // ConstantPool, GlobalAddress, and JumpTable
3371 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3372 Requires<[IsARM, DontUseMovt]>;
3373 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3374 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3375 Requires<[IsARM, UseMovt]>;
3376 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3377 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3379 // TODO: add,sub,and, 3-instr forms?
3382 def : ARMPat<(ARMtcret tcGPR:$dst),
3383 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3385 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3386 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3388 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3389 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3391 def : ARMPat<(ARMtcret tcGPR:$dst),
3392 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3394 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3395 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3397 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3398 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3401 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3402 Requires<[IsARM, IsNotDarwin]>;
3403 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3404 Requires<[IsARM, IsDarwin]>;
3406 // zextload i1 -> zextload i8
3407 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3408 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3410 // extload -> zextload
3411 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3412 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3413 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3414 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3416 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3418 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3419 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3422 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3423 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3424 (SMULBB GPR:$a, GPR:$b)>;
3425 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3426 (SMULBB GPR:$a, GPR:$b)>;
3427 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3428 (sra GPR:$b, (i32 16))),
3429 (SMULBT GPR:$a, GPR:$b)>;
3430 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3431 (SMULBT GPR:$a, GPR:$b)>;
3432 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3433 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3434 (SMULTB GPR:$a, GPR:$b)>;
3435 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3436 (SMULTB GPR:$a, GPR:$b)>;
3437 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3439 (SMULWB GPR:$a, GPR:$b)>;
3440 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3441 (SMULWB GPR:$a, GPR:$b)>;
3443 def : ARMV5TEPat<(add GPR:$acc,
3444 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3445 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3446 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3447 def : ARMV5TEPat<(add GPR:$acc,
3448 (mul sext_16_node:$a, sext_16_node:$b)),
3449 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3450 def : ARMV5TEPat<(add GPR:$acc,
3451 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3452 (sra GPR:$b, (i32 16)))),
3453 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3454 def : ARMV5TEPat<(add GPR:$acc,
3455 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3456 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3457 def : ARMV5TEPat<(add GPR:$acc,
3458 (mul (sra GPR:$a, (i32 16)),
3459 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3460 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3461 def : ARMV5TEPat<(add GPR:$acc,
3462 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3463 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3464 def : ARMV5TEPat<(add GPR:$acc,
3465 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3467 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3468 def : ARMV5TEPat<(add GPR:$acc,
3469 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3470 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3472 //===----------------------------------------------------------------------===//
3476 include "ARMInstrThumb.td"
3478 //===----------------------------------------------------------------------===//
3482 include "ARMInstrThumb2.td"
3484 //===----------------------------------------------------------------------===//
3485 // Floating Point Support
3488 include "ARMInstrVFP.td"
3490 //===----------------------------------------------------------------------===//
3491 // Advanced SIMD (NEON) Support
3494 include "ARMInstrNEON.td"
3496 //===----------------------------------------------------------------------===//
3497 // Coprocessor Instructions. For disassembly only.
3500 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3501 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3502 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3503 [/* For disassembly only; pattern left blank */]> {
3507 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3508 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3509 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3510 [/* For disassembly only; pattern left blank */]> {
3511 let Inst{31-28} = 0b1111;
3515 class ACI<dag oops, dag iops, string opc, string asm>
3516 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3517 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3518 let Inst{27-25} = 0b110;
3521 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3523 def _OFFSET : ACI<(outs),
3524 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3525 opc, "\tp$cop, cr$CRd, $addr"> {
3526 let Inst{31-28} = op31_28;
3527 let Inst{24} = 1; // P = 1
3528 let Inst{21} = 0; // W = 0
3529 let Inst{22} = 0; // D = 0
3530 let Inst{20} = load;
3533 def _PRE : ACI<(outs),
3534 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3535 opc, "\tp$cop, cr$CRd, $addr!"> {
3536 let Inst{31-28} = op31_28;
3537 let Inst{24} = 1; // P = 1
3538 let Inst{21} = 1; // W = 1
3539 let Inst{22} = 0; // D = 0
3540 let Inst{20} = load;
3543 def _POST : ACI<(outs),
3544 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3545 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3546 let Inst{31-28} = op31_28;
3547 let Inst{24} = 0; // P = 0
3548 let Inst{21} = 1; // W = 1
3549 let Inst{22} = 0; // D = 0
3550 let Inst{20} = load;
3553 def _OPTION : ACI<(outs),
3554 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3555 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3556 let Inst{31-28} = op31_28;
3557 let Inst{24} = 0; // P = 0
3558 let Inst{23} = 1; // U = 1
3559 let Inst{21} = 0; // W = 0
3560 let Inst{22} = 0; // D = 0
3561 let Inst{20} = load;
3564 def L_OFFSET : ACI<(outs),
3565 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3566 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3567 let Inst{31-28} = op31_28;
3568 let Inst{24} = 1; // P = 1
3569 let Inst{21} = 0; // W = 0
3570 let Inst{22} = 1; // D = 1
3571 let Inst{20} = load;
3574 def L_PRE : ACI<(outs),
3575 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3576 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3577 let Inst{31-28} = op31_28;
3578 let Inst{24} = 1; // P = 1
3579 let Inst{21} = 1; // W = 1
3580 let Inst{22} = 1; // D = 1
3581 let Inst{20} = load;
3584 def L_POST : ACI<(outs),
3585 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3586 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3587 let Inst{31-28} = op31_28;
3588 let Inst{24} = 0; // P = 0
3589 let Inst{21} = 1; // W = 1
3590 let Inst{22} = 1; // D = 1
3591 let Inst{20} = load;
3594 def L_OPTION : ACI<(outs),
3595 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3596 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3597 let Inst{31-28} = op31_28;
3598 let Inst{24} = 0; // P = 0
3599 let Inst{23} = 1; // U = 1
3600 let Inst{21} = 0; // W = 0
3601 let Inst{22} = 1; // D = 1
3602 let Inst{20} = load;
3606 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3607 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3608 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3609 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3611 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3612 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3613 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3614 [/* For disassembly only; pattern left blank */]> {
3619 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3620 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3621 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3622 [/* For disassembly only; pattern left blank */]> {
3623 let Inst{31-28} = 0b1111;
3628 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3629 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3630 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3631 [/* For disassembly only; pattern left blank */]> {
3636 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3637 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3638 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3639 [/* For disassembly only; pattern left blank */]> {
3640 let Inst{31-28} = 0b1111;
3645 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3646 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3647 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3648 [/* For disassembly only; pattern left blank */]> {
3649 let Inst{23-20} = 0b0100;
3652 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3653 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3654 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3655 [/* For disassembly only; pattern left blank */]> {
3656 let Inst{31-28} = 0b1111;
3657 let Inst{23-20} = 0b0100;
3660 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3661 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3662 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3663 [/* For disassembly only; pattern left blank */]> {
3664 let Inst{23-20} = 0b0101;
3667 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3668 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3669 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3670 [/* For disassembly only; pattern left blank */]> {
3671 let Inst{31-28} = 0b1111;
3672 let Inst{23-20} = 0b0101;
3675 //===----------------------------------------------------------------------===//
3676 // Move between special register and ARM core register -- for disassembly only
3679 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3680 [/* For disassembly only; pattern left blank */]> {
3681 let Inst{23-20} = 0b0000;
3682 let Inst{7-4} = 0b0000;
3685 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3686 [/* For disassembly only; pattern left blank */]> {
3687 let Inst{23-20} = 0b0100;
3688 let Inst{7-4} = 0b0000;
3691 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3692 "msr", "\tcpsr$mask, $src",
3693 [/* For disassembly only; pattern left blank */]> {
3694 let Inst{23-20} = 0b0010;
3695 let Inst{7-4} = 0b0000;
3698 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3699 "msr", "\tcpsr$mask, $a",
3700 [/* For disassembly only; pattern left blank */]> {
3701 let Inst{23-20} = 0b0010;
3702 let Inst{7-4} = 0b0000;
3705 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3706 "msr", "\tspsr$mask, $src",
3707 [/* For disassembly only; pattern left blank */]> {
3708 let Inst{23-20} = 0b0110;
3709 let Inst{7-4} = 0b0000;
3712 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3713 "msr", "\tspsr$mask, $a",
3714 [/* For disassembly only; pattern left blank */]> {
3715 let Inst{23-20} = 0b0110;
3716 let Inst{7-4} = 0b0000;