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]> {
755 let Inst{11-10} = 0b00;
757 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
759 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
760 [(set GPR:$Rd, (opnode GPR:$Rn,
761 (rotr GPR:$Rm, rot_imm:$rot)))]>,
762 Requires<[IsARM, HasV6]> {
765 let Inst{19-16} = Rn;
766 let Inst{11-10} = rot;
770 // For disassembly only.
771 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
772 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
773 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
774 [/* For disassembly only; pattern left blank */]>,
775 Requires<[IsARM, HasV6]> {
776 let Inst{11-10} = 0b00;
778 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
780 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
781 [/* For disassembly only; pattern left blank */]>,
782 Requires<[IsARM, HasV6]> {
785 let Inst{19-16} = Rn;
786 let Inst{11-10} = rot;
790 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
791 let Uses = [CPSR] in {
792 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
793 bit Commutable = 0> {
794 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
795 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
796 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
802 let Inst{15-12} = Rd;
803 let Inst{19-16} = Rn;
804 let Inst{11-0} = imm;
806 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
807 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
808 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
813 let Inst{11-4} = 0b00000000;
815 let isCommutable = Commutable;
817 let Inst{15-12} = Rd;
818 let Inst{19-16} = Rn;
820 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
821 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
822 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
828 let Inst{11-0} = shift;
829 let Inst{15-12} = Rd;
830 let Inst{19-16} = Rn;
833 // Carry setting variants
834 let Defs = [CPSR] in {
835 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
836 bit Commutable = 0> {
837 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
838 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
839 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
844 let Inst{15-12} = Rd;
845 let Inst{19-16} = Rn;
846 let Inst{11-0} = imm;
850 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
851 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
852 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
857 let Inst{11-4} = 0b00000000;
858 let isCommutable = Commutable;
860 let Inst{15-12} = Rd;
861 let Inst{19-16} = Rn;
865 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
866 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
867 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
872 let Inst{11-0} = shift;
873 let Inst{15-12} = Rd;
874 let Inst{19-16} = Rn;
882 let canFoldAsLoad = 1, isReMaterializable = 1 in {
883 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
884 InstrItinClass iir, PatFrag opnode> {
885 // Note: We use the complex addrmode_imm12 rather than just an input
886 // GPR and a constrained immediate so that we can use this to match
887 // frame index references and avoid matching constant pool references.
888 def i12: AIldst1<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
889 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
890 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
893 let Inst{23} = addr{12}; // U (add = ('U' == 1))
894 let Inst{19-16} = addr{16-13}; // Rn
895 let Inst{15-12} = Rt;
896 let Inst{11-0} = addr{11-0}; // imm12
898 def rs : AIldst1<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
899 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
900 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
903 let Inst{23} = shift{12}; // U (add = ('U' == 1))
904 let Inst{19-16} = shift{16-13}; // Rn
905 let Inst{15-12} = Rt;
906 let Inst{11-0} = shift{11-0};
911 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
912 InstrItinClass iir, PatFrag opnode> {
913 // Note: We use the complex addrmode_imm12 rather than just an input
914 // GPR and a constrained immediate so that we can use this to match
915 // frame index references and avoid matching constant pool references.
916 def i12 : AIldst1<0b010, 0, isByte, (outs),
917 (ins GPR:$Rt, addrmode_imm12:$addr),
918 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
919 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
922 let Inst{23} = addr{12}; // U (add = ('U' == 1))
923 let Inst{19-16} = addr{16-13}; // Rn
924 let Inst{15-12} = Rt;
925 let Inst{11-0} = addr{11-0}; // imm12
927 def rs : AIldst1<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
928 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
929 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
932 let Inst{23} = shift{12}; // U (add = ('U' == 1))
933 let Inst{19-16} = shift{16-13}; // Rn
934 let Inst{15-12} = Rt;
935 let Inst{11-0} = shift{11-0};
938 //===----------------------------------------------------------------------===//
940 //===----------------------------------------------------------------------===//
942 //===----------------------------------------------------------------------===//
943 // Miscellaneous Instructions.
946 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
947 /// the function. The first operand is the ID# for this instruction, the second
948 /// is the index into the MachineConstantPool that this is, the third is the
949 /// size in bytes of this constant pool entry.
950 let neverHasSideEffects = 1, isNotDuplicable = 1 in
951 def CONSTPOOL_ENTRY :
952 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
953 i32imm:$size), NoItinerary, []>;
955 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
956 // from removing one half of the matched pairs. That breaks PEI, which assumes
957 // these will always be in pairs, and asserts if it finds otherwise. Better way?
958 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
960 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
961 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
963 def ADJCALLSTACKDOWN :
964 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
965 [(ARMcallseq_start timm:$amt)]>;
968 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
969 [/* For disassembly only; pattern left blank */]>,
970 Requires<[IsARM, HasV6T2]> {
971 let Inst{27-16} = 0b001100100000;
972 let Inst{15-8} = 0b11110000;
973 let Inst{7-0} = 0b00000000;
976 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
977 [/* For disassembly only; pattern left blank */]>,
978 Requires<[IsARM, HasV6T2]> {
979 let Inst{27-16} = 0b001100100000;
980 let Inst{15-8} = 0b11110000;
981 let Inst{7-0} = 0b00000001;
984 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
985 [/* For disassembly only; pattern left blank */]>,
986 Requires<[IsARM, HasV6T2]> {
987 let Inst{27-16} = 0b001100100000;
988 let Inst{15-8} = 0b11110000;
989 let Inst{7-0} = 0b00000010;
992 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
993 [/* For disassembly only; pattern left blank */]>,
994 Requires<[IsARM, HasV6T2]> {
995 let Inst{27-16} = 0b001100100000;
996 let Inst{15-8} = 0b11110000;
997 let Inst{7-0} = 0b00000011;
1000 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1002 [/* For disassembly only; pattern left blank */]>,
1003 Requires<[IsARM, HasV6]> {
1008 let Inst{15-12} = Rd;
1009 let Inst{19-16} = Rn;
1010 let Inst{27-20} = 0b01101000;
1011 let Inst{7-4} = 0b1011;
1012 let Inst{11-8} = 0b1111;
1015 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1016 [/* For disassembly only; pattern left blank */]>,
1017 Requires<[IsARM, HasV6T2]> {
1018 let Inst{27-16} = 0b001100100000;
1019 let Inst{15-8} = 0b11110000;
1020 let Inst{7-0} = 0b00000100;
1023 // The i32imm operand $val can be used by a debugger to store more information
1024 // about the breakpoint.
1025 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1026 [/* For disassembly only; pattern left blank */]>,
1029 let Inst{3-0} = val{3-0};
1030 let Inst{19-8} = val{15-4};
1031 let Inst{27-20} = 0b00010010;
1032 let Inst{7-4} = 0b0111;
1035 // Change Processor State is a system instruction -- for disassembly only.
1036 // The singleton $opt operand contains the following information:
1037 // opt{4-0} = mode from Inst{4-0}
1038 // opt{5} = changemode from Inst{17}
1039 // opt{8-6} = AIF from Inst{8-6}
1040 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1041 // FIXME: Integrated assembler will need these split out.
1042 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1043 [/* For disassembly only; pattern left blank */]>,
1045 let Inst{31-28} = 0b1111;
1046 let Inst{27-20} = 0b00010000;
1051 // Preload signals the memory system of possible future data/instruction access.
1052 // These are for disassembly only.
1053 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1055 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1056 !strconcat(opc, "\t$addr"),
1057 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1060 let Inst{31-26} = 0b111101;
1061 let Inst{25} = 0; // 0 for immediate form
1062 let Inst{24} = data;
1063 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1064 let Inst{22} = read;
1065 let Inst{21-20} = 0b01;
1066 let Inst{19-16} = addr{16-13}; // Rn
1067 let Inst{15-12} = Rt;
1068 let Inst{11-0} = addr{11-0}; // imm12
1071 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1072 !strconcat(opc, "\t$shift"),
1073 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1076 let Inst{31-26} = 0b111101;
1077 let Inst{25} = 1; // 1 for register form
1078 let Inst{24} = data;
1079 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1080 let Inst{22} = read;
1081 let Inst{21-20} = 0b01;
1082 let Inst{19-16} = shift{16-13}; // Rn
1083 let Inst{11-0} = shift{11-0};
1087 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1088 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1089 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1091 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1093 [/* For disassembly only; pattern left blank */]>,
1096 let Inst{31-10} = 0b1111000100000001000000;
1101 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1102 [/* For disassembly only; pattern left blank */]>,
1103 Requires<[IsARM, HasV7]> {
1105 let Inst{27-4} = 0b001100100000111100001111;
1106 let Inst{3-0} = opt;
1109 // A5.4 Permanently UNDEFINED instructions.
1110 let isBarrier = 1, isTerminator = 1 in
1111 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1114 let Inst{27-25} = 0b011;
1115 let Inst{24-20} = 0b11111;
1116 let Inst{7-5} = 0b111;
1120 // Address computation and loads and stores in PIC mode.
1121 let isNotDuplicable = 1 in {
1122 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1124 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1126 let AddedComplexity = 10 in {
1127 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1129 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1131 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1133 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1135 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1137 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1139 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1141 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1143 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1145 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1147 let AddedComplexity = 10 in {
1148 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1149 Pseudo, IIC_iStore_r, "",
1150 [(store GPR:$src, addrmodepc:$addr)]>;
1152 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1153 Pseudo, IIC_iStore_bh_r, "",
1154 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1156 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1157 Pseudo, IIC_iStore_bh_r, "",
1158 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1160 } // isNotDuplicable = 1
1163 // LEApcrel - Load a pc-relative address into a register without offending the
1165 let neverHasSideEffects = 1 in {
1166 let isReMaterializable = 1 in
1167 // FIXME: We want one cannonical LEApcrel instruction and to express one or
1168 // both of these as pseudo-instructions that get expanded to it.
1169 def LEApcrel : AXI1<0, (outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1171 "adr$p\t$Rd, #$label", []>;
1173 } // neverHasSideEffects
1174 def LEApcrelJT : AXI1<0b0100, (outs GPR:$Rd),
1175 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1177 "adr$p\t$Rd, #${label}_${id}", []> {
1180 let Inst{31-28} = p;
1181 let Inst{27-25} = 0b001;
1183 let Inst{19-16} = 0b1111;
1184 let Inst{15-12} = Rd;
1185 // FIXME: Add label encoding/fixup
1188 //===----------------------------------------------------------------------===//
1189 // Control Flow Instructions.
1192 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1194 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1195 "bx", "\tlr", [(ARMretflag)]>,
1196 Requires<[IsARM, HasV4T]> {
1197 let Inst{27-0} = 0b0001001011111111111100011110;
1201 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1202 "mov", "\tpc, lr", [(ARMretflag)]>,
1203 Requires<[IsARM, NoV4T]> {
1204 let Inst{27-0} = 0b0001101000001111000000001110;
1208 // Indirect branches
1209 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1211 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1212 [(brind GPR:$dst)]>,
1213 Requires<[IsARM, HasV4T]> {
1215 let Inst{31-4} = 0b1110000100101111111111110001;
1216 let Inst{3-0} = dst;
1220 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1221 [(brind GPR:$dst)]>,
1222 Requires<[IsARM, NoV4T]> {
1224 let Inst{31-4} = 0b1110000110100000111100000000;
1225 let Inst{3-0} = dst;
1229 // On non-Darwin platforms R9 is callee-saved.
1231 Defs = [R0, R1, R2, R3, R12, LR,
1232 D0, D1, D2, D3, D4, D5, D6, D7,
1233 D16, D17, D18, D19, D20, D21, D22, D23,
1234 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1235 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1236 IIC_Br, "bl\t$func",
1237 [(ARMcall tglobaladdr:$func)]>,
1238 Requires<[IsARM, IsNotDarwin]> {
1239 let Inst{31-28} = 0b1110;
1241 let Inst{23-0} = func;
1244 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1245 IIC_Br, "bl", "\t$func",
1246 [(ARMcall_pred tglobaladdr:$func)]>,
1247 Requires<[IsARM, IsNotDarwin]> {
1249 let Inst{23-0} = func;
1253 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1254 IIC_Br, "blx\t$func",
1255 [(ARMcall GPR:$func)]>,
1256 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1258 let Inst{27-4} = 0b000100101111111111110011;
1259 let Inst{3-0} = func;
1263 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1264 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1265 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1266 [(ARMcall_nolink tGPR:$func)]>,
1267 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1269 let Inst{27-4} = 0b000100101111111111110001;
1270 let Inst{3-0} = func;
1274 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1275 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1276 [(ARMcall_nolink tGPR:$func)]>,
1277 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1279 let Inst{27-4} = 0b000110100000111100000000;
1280 let Inst{3-0} = func;
1284 // On Darwin R9 is call-clobbered.
1286 Defs = [R0, R1, R2, R3, R9, R12, LR,
1287 D0, D1, D2, D3, D4, D5, D6, D7,
1288 D16, D17, D18, D19, D20, D21, D22, D23,
1289 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1290 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1291 IIC_Br, "bl\t$func",
1292 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1293 let Inst{31-28} = 0b1110;
1295 let Inst{23-0} = func;
1298 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1299 IIC_Br, "bl", "\t$func",
1300 [(ARMcall_pred tglobaladdr:$func)]>,
1301 Requires<[IsARM, IsDarwin]> {
1303 let Inst{23-0} = func;
1307 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1308 IIC_Br, "blx\t$func",
1309 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1311 let Inst{27-4} = 0b000100101111111111110011;
1312 let Inst{3-0} = func;
1316 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1317 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1318 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1319 [(ARMcall_nolink tGPR:$func)]>,
1320 Requires<[IsARM, HasV4T, IsDarwin]> {
1322 let Inst{27-4} = 0b000100101111111111110001;
1323 let Inst{3-0} = func;
1327 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1328 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1329 [(ARMcall_nolink tGPR:$func)]>,
1330 Requires<[IsARM, NoV4T, IsDarwin]> {
1332 let Inst{27-4} = 0b000110100000111100000000;
1333 let Inst{3-0} = func;
1339 // FIXME: These should probably be xformed into the non-TC versions of the
1340 // instructions as part of MC lowering.
1341 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1343 let Defs = [R0, R1, R2, R3, R9, R12,
1344 D0, D1, D2, D3, D4, D5, D6, D7,
1345 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1346 D27, D28, D29, D30, D31, PC],
1348 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1350 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1352 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1354 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1356 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1357 IIC_Br, "b\t$dst @ TAILCALL",
1358 []>, Requires<[IsDarwin]>;
1360 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1361 IIC_Br, "b.w\t$dst @ TAILCALL",
1362 []>, Requires<[IsDarwin]>;
1364 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1365 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1366 []>, Requires<[IsDarwin]> {
1368 let Inst{31-4} = 0b1110000100101111111111110001;
1369 let Inst{3-0} = dst;
1373 // Non-Darwin versions (the difference is R9).
1374 let Defs = [R0, R1, R2, R3, R12,
1375 D0, D1, D2, D3, D4, D5, D6, D7,
1376 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1377 D27, D28, D29, D30, D31, PC],
1379 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1381 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1383 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1385 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1387 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1388 IIC_Br, "b\t$dst @ TAILCALL",
1389 []>, Requires<[IsARM, IsNotDarwin]>;
1391 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1392 IIC_Br, "b.w\t$dst @ TAILCALL",
1393 []>, Requires<[IsThumb, IsNotDarwin]>;
1395 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1396 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1397 []>, Requires<[IsNotDarwin]> {
1399 let Inst{31-4} = 0b1110000100101111111111110001;
1400 let Inst{3-0} = dst;
1405 let isBranch = 1, isTerminator = 1 in {
1406 // B is "predicable" since it can be xformed into a Bcc.
1407 let isBarrier = 1 in {
1408 let isPredicable = 1 in
1409 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1410 "b\t$target", [(br bb:$target)]> {
1412 let Inst{31-28} = 0b1110;
1413 let Inst{23-0} = target;
1416 let isNotDuplicable = 1, isIndirectBranch = 1,
1417 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1418 isCodeGenOnly = 1 in {
1419 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1420 IIC_Br, "mov\tpc, $target$jt",
1421 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1422 let Inst{11-4} = 0b00000000;
1423 let Inst{15-12} = 0b1111;
1424 let Inst{20} = 0; // S Bit
1425 let Inst{24-21} = 0b1101;
1426 let Inst{27-25} = 0b000;
1428 def BR_JTm : JTI<(outs),
1429 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1430 IIC_Br, "ldr\tpc, $target$jt",
1431 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1433 let Inst{15-12} = 0b1111;
1434 let Inst{20} = 1; // L bit
1435 let Inst{21} = 0; // W bit
1436 let Inst{22} = 0; // B bit
1437 let Inst{24} = 1; // P bit
1438 let Inst{27-25} = 0b011;
1440 def BR_JTadd : PseudoInst<(outs),
1441 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1443 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1445 } // isNotDuplicable = 1, isIndirectBranch = 1
1448 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1449 // a two-value operand where a dag node expects two operands. :(
1450 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1451 IIC_Br, "b", "\t$target",
1452 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1454 let Inst{23-0} = target;
1458 // Branch and Exchange Jazelle -- for disassembly only
1459 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1460 [/* For disassembly only; pattern left blank */]> {
1461 let Inst{23-20} = 0b0010;
1462 //let Inst{19-8} = 0xfff;
1463 let Inst{7-4} = 0b0010;
1466 // Secure Monitor Call is a system instruction -- for disassembly only
1467 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1468 [/* For disassembly only; pattern left blank */]> {
1470 let Inst{23-4} = 0b01100000000000000111;
1471 let Inst{3-0} = opt;
1474 // Supervisor Call (Software Interrupt) -- for disassembly only
1476 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1477 [/* For disassembly only; pattern left blank */]> {
1479 let Inst{23-0} = svc;
1483 // Store Return State is a system instruction -- for disassembly only
1484 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1485 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1486 NoItinerary, "srs${amode}\tsp!, $mode",
1487 [/* For disassembly only; pattern left blank */]> {
1488 let Inst{31-28} = 0b1111;
1489 let Inst{22-20} = 0b110; // W = 1
1492 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1493 NoItinerary, "srs${amode}\tsp, $mode",
1494 [/* For disassembly only; pattern left blank */]> {
1495 let Inst{31-28} = 0b1111;
1496 let Inst{22-20} = 0b100; // W = 0
1499 // Return From Exception is a system instruction -- for disassembly only
1500 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1501 NoItinerary, "rfe${amode}\t$base!",
1502 [/* For disassembly only; pattern left blank */]> {
1503 let Inst{31-28} = 0b1111;
1504 let Inst{22-20} = 0b011; // W = 1
1507 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1508 NoItinerary, "rfe${amode}\t$base",
1509 [/* For disassembly only; pattern left blank */]> {
1510 let Inst{31-28} = 0b1111;
1511 let Inst{22-20} = 0b001; // W = 0
1513 } // isCodeGenOnly = 1
1515 //===----------------------------------------------------------------------===//
1516 // Load / store Instructions.
1522 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1523 UnOpFrag<(load node:$Src)>>;
1524 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1525 UnOpFrag<(zextloadi8 node:$Src)>>;
1526 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1527 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1528 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1529 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1531 // Special LDR for loads from non-pc-relative constpools.
1532 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1533 isReMaterializable = 1 in
1534 def LDRcp : AIldst1<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1535 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1539 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1540 let Inst{19-16} = 0b1111;
1541 let Inst{15-12} = Rt;
1542 let Inst{11-0} = addr{11-0}; // imm12
1545 // Loads with zero extension
1546 def LDRH : AI3ld<0b1011, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1547 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1548 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1550 // Loads with sign extension
1551 def LDRSH : AI3ld<0b1111, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1552 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1553 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1555 def LDRSB : AI3ld<0b1101, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1556 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1557 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1559 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1560 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1562 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1563 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1564 []>, Requires<[IsARM, HasV5TE]>;
1567 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1568 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1569 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1570 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1572 // {13} 1 == Rm, 0 == imm12
1576 let Inst{25} = addr{13};
1577 let Inst{23} = addr{12};
1578 let Inst{19-16} = addr{17-14};
1579 let Inst{11-0} = addr{11-0};
1581 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1582 (ins GPR:$Rn, am2offset:$offset),
1583 IndexModePost, LdFrm, itin,
1584 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1585 // {13} 1 == Rm, 0 == imm12
1590 let Inst{25} = offset{13};
1591 let Inst{23} = offset{12};
1592 let Inst{19-16} = Rn;
1593 let Inst{11-0} = offset{11-0};
1597 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1598 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1600 def LDRH_PRE : AI3ldhpr<(outs GPR:$Rt, GPR:$Rn_wb),
1601 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1602 "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1604 def LDRH_POST : AI3ldhpo<(outs GPR:$Rt, GPR:$Rn_wb),
1605 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1606 "ldrh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1608 def LDRSH_PRE : AI3ldshpr<(outs GPR:$Rt, GPR:$Rn_wb),
1609 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1610 "ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1612 def LDRSH_POST: AI3ldshpo<(outs GPR:$Rt, GPR:$Rn_wb),
1613 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1614 "ldrsh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1616 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$Rt, GPR:$Rn_wb),
1617 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1618 "ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1620 def LDRSB_POST: AI3ldsbpo<(outs GPR:$Rt, GPR:$Rn_wb),
1621 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1622 "ldrsb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1624 // For disassembly only
1625 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1626 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1627 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1628 Requires<[IsARM, HasV5TE]>;
1630 // For disassembly only
1631 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1632 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1633 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1634 Requires<[IsARM, HasV5TE]>;
1636 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1638 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1640 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1641 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1642 LdFrm, IIC_iLoad_ru,
1643 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1644 let Inst{21} = 1; // overwrite
1647 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1648 (ins GPR:$base,am2offset:$offset), IndexModeNone,
1649 LdFrm, IIC_iLoad_bh_ru,
1650 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1651 let Inst{21} = 1; // overwrite
1654 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1655 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1656 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1657 let Inst{21} = 1; // overwrite
1660 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1661 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1662 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1663 let Inst{21} = 1; // overwrite
1666 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1667 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1668 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1669 let Inst{21} = 1; // overwrite
1674 // Stores with truncate
1675 def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1676 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1677 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1680 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1681 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1682 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1683 StMiscFrm, IIC_iStore_d_r,
1684 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1687 def STR_PRE : AI2ldstidx<0, 0, 1, (outs GPR:$Rn_wb),
1688 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1689 IndexModePre, StFrm, IIC_iStore_ru,
1690 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1692 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1693 // {13} 1 == Rm, 0 == imm12
1698 let Inst{25} = offset{13};
1699 let Inst{23} = offset{12};
1700 let Inst{19-16} = Rn;
1701 let Inst{11-0} = offset{11-0};
1704 def STR_POST : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
1705 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1706 IndexModePost, StFrm, IIC_iStore_ru,
1707 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1709 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1710 // {13} 1 == Rm, 0 == imm12
1715 let Inst{25} = offset{13};
1716 let Inst{23} = offset{12};
1717 let Inst{19-16} = Rn;
1718 let Inst{11-0} = offset{11-0};
1721 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1722 (ins GPR:$src, GPR:$base,am3offset:$offset),
1723 StMiscFrm, IIC_iStore_ru,
1724 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1726 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1728 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1729 (ins GPR:$src, GPR:$base,am3offset:$offset),
1730 StMiscFrm, IIC_iStore_bh_ru,
1731 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1732 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1733 GPR:$base, am3offset:$offset))]>;
1735 def STRB_PRE : AI2ldstidx<0, 1, 1, (outs GPR:$Rn_wb),
1736 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1737 IndexModePre, StFrm, IIC_iStore_bh_ru,
1738 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1739 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1740 GPR:$Rn, am2offset:$offset))]> {
1741 // {13} 1 == Rm, 0 == imm12
1746 let Inst{25} = offset{13};
1747 let Inst{23} = offset{12};
1748 let Inst{19-16} = Rn;
1749 let Inst{11-0} = offset{11-0};
1752 def STRB_POST: AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
1753 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1754 IndexModePost, StFrm, IIC_iStore_bh_ru,
1755 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1756 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1757 GPR:$Rn, am2offset:$offset))]> {
1758 // {13} 1 == Rm, 0 == imm12
1763 let Inst{25} = offset{13};
1764 let Inst{23} = offset{12};
1765 let Inst{19-16} = Rn;
1766 let Inst{11-0} = offset{11-0};
1769 // For disassembly only
1770 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1771 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1772 StMiscFrm, IIC_iStore_d_ru,
1773 "strd", "\t$src1, $src2, [$base, $offset]!",
1774 "$base = $base_wb", []>;
1776 // For disassembly only
1777 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1778 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1779 StMiscFrm, IIC_iStore_d_ru,
1780 "strd", "\t$src1, $src2, [$base], $offset",
1781 "$base = $base_wb", []>;
1783 // STRT, STRBT, and STRHT are for disassembly only.
1785 def STRT : AI2ldstidx<0, 0, 0, (outs GPR:$base_wb),
1786 (ins GPR:$src, GPR:$base,am2offset:$offset),
1787 IndexModeNone, StFrm, IIC_iStore_ru,
1788 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1789 [/* For disassembly only; pattern left blank */]> {
1790 let Inst{21} = 1; // overwrite
1793 def STRBT : AI2ldstidx<0, 1, 0, (outs GPR:$base_wb),
1794 (ins GPR:$src, GPR:$base,am2offset:$offset),
1795 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1796 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1797 [/* For disassembly only; pattern left blank */]> {
1798 let Inst{21} = 1; // overwrite
1801 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1802 (ins GPR:$src, GPR:$base,am3offset:$offset),
1803 StMiscFrm, IIC_iStore_bh_ru,
1804 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1805 [/* For disassembly only; pattern left blank */]> {
1806 let Inst{21} = 1; // overwrite
1809 //===----------------------------------------------------------------------===//
1810 // Load / store multiple Instructions.
1813 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1814 InstrItinClass itin, InstrItinClass itin_upd> {
1816 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1817 IndexModeNone, f, itin,
1818 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1819 let Inst{24-23} = 0b01; // Increment After
1820 let Inst{21} = 0; // No writeback
1821 let Inst{20} = L_bit;
1824 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1825 IndexModeUpd, f, itin_upd,
1826 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1827 let Inst{24-23} = 0b01; // Increment After
1828 let Inst{21} = 1; // Writeback
1829 let Inst{20} = L_bit;
1832 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1833 IndexModeNone, f, itin,
1834 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1835 let Inst{24-23} = 0b00; // Decrement After
1836 let Inst{21} = 0; // No writeback
1837 let Inst{20} = L_bit;
1840 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1841 IndexModeUpd, f, itin_upd,
1842 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1843 let Inst{24-23} = 0b00; // Decrement After
1844 let Inst{21} = 1; // Writeback
1845 let Inst{20} = L_bit;
1848 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1849 IndexModeNone, f, itin,
1850 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1851 let Inst{24-23} = 0b10; // Decrement Before
1852 let Inst{21} = 0; // No writeback
1853 let Inst{20} = L_bit;
1856 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1857 IndexModeUpd, f, itin_upd,
1858 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1859 let Inst{24-23} = 0b10; // Decrement Before
1860 let Inst{21} = 1; // Writeback
1861 let Inst{20} = L_bit;
1864 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1865 IndexModeNone, f, itin,
1866 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1867 let Inst{24-23} = 0b11; // Increment Before
1868 let Inst{21} = 0; // No writeback
1869 let Inst{20} = L_bit;
1872 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1873 IndexModeUpd, f, itin_upd,
1874 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1875 let Inst{24-23} = 0b11; // Increment Before
1876 let Inst{21} = 1; // Writeback
1877 let Inst{20} = L_bit;
1881 let neverHasSideEffects = 1 in {
1883 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1884 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1886 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1887 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1889 } // neverHasSideEffects
1891 // Load / Store Multiple Mnemnoic Aliases
1892 def : MnemonicAlias<"ldm", "ldmia">;
1893 def : MnemonicAlias<"stm", "stmia">;
1895 // FIXME: remove when we have a way to marking a MI with these properties.
1896 // FIXME: Should pc be an implicit operand like PICADD, etc?
1897 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1898 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1899 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1900 reglist:$regs, variable_ops),
1901 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1902 "ldmia${p}\t$Rn!, $regs",
1904 let Inst{24-23} = 0b01; // Increment After
1905 let Inst{21} = 1; // Writeback
1906 let Inst{20} = 1; // Load
1909 //===----------------------------------------------------------------------===//
1910 // Move Instructions.
1913 let neverHasSideEffects = 1 in
1914 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1915 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1919 let Inst{11-4} = 0b00000000;
1922 let Inst{15-12} = Rd;
1925 // A version for the smaller set of tail call registers.
1926 let neverHasSideEffects = 1 in
1927 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1928 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1932 let Inst{11-4} = 0b00000000;
1935 let Inst{15-12} = Rd;
1938 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1939 DPSoRegFrm, IIC_iMOVsr,
1940 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1944 let Inst{15-12} = Rd;
1945 let Inst{11-0} = src;
1949 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1950 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1951 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1955 let Inst{15-12} = Rd;
1956 let Inst{19-16} = 0b0000;
1957 let Inst{11-0} = imm;
1960 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1961 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1963 "movw", "\t$Rd, $imm",
1964 [(set GPR:$Rd, imm0_65535:$imm)]>,
1965 Requires<[IsARM, HasV6T2]>, UnaryDP {
1968 let Inst{15-12} = Rd;
1969 let Inst{11-0} = imm{11-0};
1970 let Inst{19-16} = imm{15-12};
1975 let Constraints = "$src = $Rd" in
1976 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1978 "movt", "\t$Rd, $imm",
1980 (or (and GPR:$src, 0xffff),
1981 lo16AllZero:$imm))]>, UnaryDP,
1982 Requires<[IsARM, HasV6T2]> {
1985 let Inst{15-12} = Rd;
1986 let Inst{11-0} = imm{11-0};
1987 let Inst{19-16} = imm{15-12};
1992 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1993 Requires<[IsARM, HasV6T2]>;
1995 let Uses = [CPSR] in
1996 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1997 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2000 // These aren't really mov instructions, but we have to define them this way
2001 // due to flag operands.
2003 let Defs = [CPSR] in {
2004 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2005 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2007 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2008 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2012 //===----------------------------------------------------------------------===//
2013 // Extend Instructions.
2018 defm SXTB : AI_ext_rrot<0b01101010,
2019 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2020 defm SXTH : AI_ext_rrot<0b01101011,
2021 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2023 defm SXTAB : AI_exta_rrot<0b01101010,
2024 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2025 defm SXTAH : AI_exta_rrot<0b01101011,
2026 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2028 // For disassembly only
2029 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2031 // For disassembly only
2032 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2036 let AddedComplexity = 16 in {
2037 defm UXTB : AI_ext_rrot<0b01101110,
2038 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2039 defm UXTH : AI_ext_rrot<0b01101111,
2040 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2041 defm UXTB16 : AI_ext_rrot<0b01101100,
2042 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2044 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2045 // The transformation should probably be done as a combiner action
2046 // instead so we can include a check for masking back in the upper
2047 // eight bits of the source into the lower eight bits of the result.
2048 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2049 // (UXTB16r_rot GPR:$Src, 24)>;
2050 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2051 (UXTB16r_rot GPR:$Src, 8)>;
2053 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2054 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2055 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2056 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2059 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2060 // For disassembly only
2061 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2064 def SBFX : I<(outs GPR:$Rd),
2065 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2066 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2067 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2068 Requires<[IsARM, HasV6T2]> {
2073 let Inst{27-21} = 0b0111101;
2074 let Inst{6-4} = 0b101;
2075 let Inst{20-16} = width;
2076 let Inst{15-12} = Rd;
2077 let Inst{11-7} = lsb;
2081 def UBFX : I<(outs GPR:$Rd),
2082 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2083 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2084 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2085 Requires<[IsARM, HasV6T2]> {
2090 let Inst{27-21} = 0b0111111;
2091 let Inst{6-4} = 0b101;
2092 let Inst{20-16} = width;
2093 let Inst{15-12} = Rd;
2094 let Inst{11-7} = lsb;
2098 //===----------------------------------------------------------------------===//
2099 // Arithmetic Instructions.
2102 defm ADD : AsI1_bin_irs<0b0100, "add",
2103 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2104 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2105 defm SUB : AsI1_bin_irs<0b0010, "sub",
2106 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2107 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2109 // ADD and SUB with 's' bit set.
2110 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2111 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2112 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2113 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2114 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2115 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2117 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2118 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2119 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2120 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2121 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2122 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2123 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2124 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2126 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2127 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2128 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2133 let Inst{15-12} = Rd;
2134 let Inst{19-16} = Rn;
2135 let Inst{11-0} = imm;
2138 // The reg/reg form is only defined for the disassembler; for codegen it is
2139 // equivalent to SUBrr.
2140 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2141 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2142 [/* For disassembly only; pattern left blank */]> {
2146 let Inst{11-4} = 0b00000000;
2149 let Inst{15-12} = Rd;
2150 let Inst{19-16} = Rn;
2153 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2154 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2155 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2160 let Inst{11-0} = shift;
2161 let Inst{15-12} = Rd;
2162 let Inst{19-16} = Rn;
2165 // RSB with 's' bit set.
2166 let Defs = [CPSR] in {
2167 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2168 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2169 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2175 let Inst{15-12} = Rd;
2176 let Inst{19-16} = Rn;
2177 let Inst{11-0} = imm;
2179 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2180 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2181 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2187 let Inst{11-0} = shift;
2188 let Inst{15-12} = Rd;
2189 let Inst{19-16} = Rn;
2193 let Uses = [CPSR] in {
2194 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2195 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2196 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2202 let Inst{15-12} = Rd;
2203 let Inst{19-16} = Rn;
2204 let Inst{11-0} = imm;
2206 // The reg/reg form is only defined for the disassembler; for codegen it is
2207 // equivalent to SUBrr.
2208 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2209 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2210 [/* For disassembly only; pattern left blank */]> {
2214 let Inst{11-4} = 0b00000000;
2217 let Inst{15-12} = Rd;
2218 let Inst{19-16} = Rn;
2220 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2221 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2222 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2228 let Inst{11-0} = shift;
2229 let Inst{15-12} = Rd;
2230 let Inst{19-16} = Rn;
2234 // FIXME: Allow these to be predicated.
2235 let Defs = [CPSR], Uses = [CPSR] in {
2236 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2237 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2238 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2245 let Inst{15-12} = Rd;
2246 let Inst{19-16} = Rn;
2247 let Inst{11-0} = imm;
2249 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2250 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2251 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2258 let Inst{11-0} = shift;
2259 let Inst{15-12} = Rd;
2260 let Inst{19-16} = Rn;
2264 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2265 // The assume-no-carry-in form uses the negation of the input since add/sub
2266 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2267 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2269 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2270 (SUBri GPR:$src, so_imm_neg:$imm)>;
2271 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2272 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2273 // The with-carry-in form matches bitwise not instead of the negation.
2274 // Effectively, the inverse interpretation of the carry flag already accounts
2275 // for part of the negation.
2276 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2277 (SBCri GPR:$src, so_imm_not:$imm)>;
2279 // Note: These are implemented in C++ code, because they have to generate
2280 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2282 // (mul X, 2^n+1) -> (add (X << n), X)
2283 // (mul X, 2^n-1) -> (rsb X, (X << n))
2285 // ARM Arithmetic Instruction -- for disassembly only
2286 // GPR:$dst = GPR:$a op GPR:$b
2287 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2288 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2289 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2290 opc, "\t$Rd, $Rn, $Rm", pattern> {
2294 let Inst{27-20} = op27_20;
2295 let Inst{11-4} = op11_4;
2296 let Inst{19-16} = Rn;
2297 let Inst{15-12} = Rd;
2301 // Saturating add/subtract -- for disassembly only
2303 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2304 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2305 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2306 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2307 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2308 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2310 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2311 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2312 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2313 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2314 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2315 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2316 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2317 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2318 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2319 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2320 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2321 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2323 // Signed/Unsigned add/subtract -- for disassembly only
2325 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2326 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2327 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2328 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2329 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2330 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2331 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2332 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2333 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2334 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2335 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2336 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2338 // Signed/Unsigned halving add/subtract -- for disassembly only
2340 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2341 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2342 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2343 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2344 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2345 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2346 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2347 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2348 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2349 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2350 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2351 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2353 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2355 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2356 MulFrm /* for convenience */, NoItinerary, "usad8",
2357 "\t$Rd, $Rn, $Rm", []>,
2358 Requires<[IsARM, HasV6]> {
2362 let Inst{27-20} = 0b01111000;
2363 let Inst{15-12} = 0b1111;
2364 let Inst{7-4} = 0b0001;
2365 let Inst{19-16} = Rd;
2366 let Inst{11-8} = Rm;
2369 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2370 MulFrm /* for convenience */, NoItinerary, "usada8",
2371 "\t$Rd, $Rn, $Rm, $Ra", []>,
2372 Requires<[IsARM, HasV6]> {
2377 let Inst{27-20} = 0b01111000;
2378 let Inst{7-4} = 0b0001;
2379 let Inst{19-16} = Rd;
2380 let Inst{15-12} = Ra;
2381 let Inst{11-8} = Rm;
2385 // Signed/Unsigned saturate -- for disassembly only
2387 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2388 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2389 [/* For disassembly only; pattern left blank */]> {
2394 let Inst{27-21} = 0b0110101;
2395 let Inst{5-4} = 0b01;
2396 let Inst{20-16} = sat_imm;
2397 let Inst{15-12} = Rd;
2398 let Inst{11-7} = sh{7-3};
2399 let Inst{6} = sh{0};
2403 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2404 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2405 [/* For disassembly only; pattern left blank */]> {
2409 let Inst{27-20} = 0b01101010;
2410 let Inst{11-4} = 0b11110011;
2411 let Inst{15-12} = Rd;
2412 let Inst{19-16} = sat_imm;
2416 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2417 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2418 [/* For disassembly only; pattern left blank */]> {
2423 let Inst{27-21} = 0b0110111;
2424 let Inst{5-4} = 0b01;
2425 let Inst{15-12} = Rd;
2426 let Inst{11-7} = sh{7-3};
2427 let Inst{6} = sh{0};
2428 let Inst{20-16} = sat_imm;
2432 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2433 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2434 [/* For disassembly only; pattern left blank */]> {
2438 let Inst{27-20} = 0b01101110;
2439 let Inst{11-4} = 0b11110011;
2440 let Inst{15-12} = Rd;
2441 let Inst{19-16} = sat_imm;
2445 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2446 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2448 //===----------------------------------------------------------------------===//
2449 // Bitwise Instructions.
2452 defm AND : AsI1_bin_irs<0b0000, "and",
2453 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2454 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2455 defm ORR : AsI1_bin_irs<0b1100, "orr",
2456 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2457 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2458 defm EOR : AsI1_bin_irs<0b0001, "eor",
2459 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2460 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2461 defm BIC : AsI1_bin_irs<0b1110, "bic",
2462 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2463 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2465 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2466 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2467 "bfc", "\t$Rd, $imm", "$src = $Rd",
2468 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2469 Requires<[IsARM, HasV6T2]> {
2472 let Inst{27-21} = 0b0111110;
2473 let Inst{6-0} = 0b0011111;
2474 let Inst{15-12} = Rd;
2475 let Inst{11-7} = imm{4-0}; // lsb
2476 let Inst{20-16} = imm{9-5}; // width
2479 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2480 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2481 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2482 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2483 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2484 bf_inv_mask_imm:$imm))]>,
2485 Requires<[IsARM, HasV6T2]> {
2489 let Inst{27-21} = 0b0111110;
2490 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2491 let Inst{15-12} = Rd;
2492 let Inst{11-7} = imm{4-0}; // lsb
2493 let Inst{20-16} = imm{9-5}; // width
2497 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2498 "mvn", "\t$Rd, $Rm",
2499 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2503 let Inst{19-16} = 0b0000;
2504 let Inst{11-4} = 0b00000000;
2505 let Inst{15-12} = Rd;
2508 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2509 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2510 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2514 let Inst{19-16} = 0b0000;
2515 let Inst{15-12} = Rd;
2516 let Inst{11-0} = shift;
2518 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2519 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2520 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2521 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2525 let Inst{19-16} = 0b0000;
2526 let Inst{15-12} = Rd;
2527 let Inst{11-0} = imm;
2530 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2531 (BICri GPR:$src, so_imm_not:$imm)>;
2533 //===----------------------------------------------------------------------===//
2534 // Multiply Instructions.
2536 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2537 string opc, string asm, list<dag> pattern>
2538 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2542 let Inst{19-16} = Rd;
2543 let Inst{11-8} = Rm;
2546 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2547 string opc, string asm, list<dag> pattern>
2548 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2553 let Inst{19-16} = RdHi;
2554 let Inst{15-12} = RdLo;
2555 let Inst{11-8} = Rm;
2559 let isCommutable = 1 in
2560 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2561 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2562 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2564 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2565 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2566 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2568 let Inst{15-12} = Ra;
2571 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2572 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2573 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2574 Requires<[IsARM, HasV6T2]> {
2578 let Inst{19-16} = Rd;
2579 let Inst{11-8} = Rm;
2583 // Extra precision multiplies with low / high results
2585 let neverHasSideEffects = 1 in {
2586 let isCommutable = 1 in {
2587 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2588 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2589 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2591 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2592 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2593 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2596 // Multiply + accumulate
2597 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2598 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2599 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2601 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2602 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2603 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2605 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2606 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2607 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2608 Requires<[IsARM, HasV6]> {
2613 let Inst{19-16} = RdLo;
2614 let Inst{15-12} = RdHi;
2615 let Inst{11-8} = Rm;
2618 } // neverHasSideEffects
2620 // Most significant word multiply
2621 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2622 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2623 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2624 Requires<[IsARM, HasV6]> {
2625 let Inst{15-12} = 0b1111;
2628 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2629 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2630 [/* For disassembly only; pattern left blank */]>,
2631 Requires<[IsARM, HasV6]> {
2632 let Inst{15-12} = 0b1111;
2635 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2636 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2637 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2638 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2639 Requires<[IsARM, HasV6]>;
2641 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2642 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2643 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2644 [/* For disassembly only; pattern left blank */]>,
2645 Requires<[IsARM, HasV6]>;
2647 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2648 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2649 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2650 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2651 Requires<[IsARM, HasV6]>;
2653 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2654 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2655 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2656 [/* For disassembly only; pattern left blank */]>,
2657 Requires<[IsARM, HasV6]>;
2659 multiclass AI_smul<string opc, PatFrag opnode> {
2660 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2661 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2662 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2663 (sext_inreg GPR:$Rm, i16)))]>,
2664 Requires<[IsARM, HasV5TE]>;
2666 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2667 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2668 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2669 (sra GPR:$Rm, (i32 16))))]>,
2670 Requires<[IsARM, HasV5TE]>;
2672 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2673 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2674 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2675 (sext_inreg GPR:$Rm, i16)))]>,
2676 Requires<[IsARM, HasV5TE]>;
2678 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2679 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2680 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2681 (sra GPR:$Rm, (i32 16))))]>,
2682 Requires<[IsARM, HasV5TE]>;
2684 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2685 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2686 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2687 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2688 Requires<[IsARM, HasV5TE]>;
2690 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2691 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2692 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2693 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2694 Requires<[IsARM, HasV5TE]>;
2698 multiclass AI_smla<string opc, PatFrag opnode> {
2699 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2700 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2701 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2702 [(set GPR:$Rd, (add GPR:$Ra,
2703 (opnode (sext_inreg GPR:$Rn, i16),
2704 (sext_inreg GPR:$Rm, i16))))]>,
2705 Requires<[IsARM, HasV5TE]>;
2707 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2708 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2709 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2710 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2711 (sra GPR:$Rm, (i32 16)))))]>,
2712 Requires<[IsARM, HasV5TE]>;
2714 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2715 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2716 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2717 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2718 (sext_inreg GPR:$Rm, i16))))]>,
2719 Requires<[IsARM, HasV5TE]>;
2721 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2722 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2723 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2724 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2725 (sra GPR:$Rm, (i32 16)))))]>,
2726 Requires<[IsARM, HasV5TE]>;
2728 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2729 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2730 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2731 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2732 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2733 Requires<[IsARM, HasV5TE]>;
2735 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2736 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2737 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2738 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2739 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2740 Requires<[IsARM, HasV5TE]>;
2743 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2744 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2746 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2747 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2748 (ins GPR:$Rn, GPR:$Rm),
2749 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2750 [/* For disassembly only; pattern left blank */]>,
2751 Requires<[IsARM, HasV5TE]>;
2753 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2754 (ins GPR:$Rn, GPR:$Rm),
2755 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2756 [/* For disassembly only; pattern left blank */]>,
2757 Requires<[IsARM, HasV5TE]>;
2759 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2760 (ins GPR:$Rn, GPR:$Rm),
2761 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2762 [/* For disassembly only; pattern left blank */]>,
2763 Requires<[IsARM, HasV5TE]>;
2765 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2766 (ins GPR:$Rn, GPR:$Rm),
2767 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2768 [/* For disassembly only; pattern left blank */]>,
2769 Requires<[IsARM, HasV5TE]>;
2771 // Helper class for AI_smld -- for disassembly only
2772 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2773 InstrItinClass itin, string opc, string asm>
2774 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2781 let Inst{21-20} = 0b00;
2782 let Inst{22} = long;
2783 let Inst{27-23} = 0b01110;
2784 let Inst{11-8} = Rm;
2787 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2788 InstrItinClass itin, string opc, string asm>
2789 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2791 let Inst{15-12} = 0b1111;
2792 let Inst{19-16} = Rd;
2794 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2795 InstrItinClass itin, string opc, string asm>
2796 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2798 let Inst{15-12} = Ra;
2800 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2801 InstrItinClass itin, string opc, string asm>
2802 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2805 let Inst{19-16} = RdHi;
2806 let Inst{15-12} = RdLo;
2809 multiclass AI_smld<bit sub, string opc> {
2811 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2812 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2814 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2815 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2817 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2818 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2819 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2821 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2822 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2823 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2827 defm SMLA : AI_smld<0, "smla">;
2828 defm SMLS : AI_smld<1, "smls">;
2830 multiclass AI_sdml<bit sub, string opc> {
2832 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2833 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2834 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2835 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2838 defm SMUA : AI_sdml<0, "smua">;
2839 defm SMUS : AI_sdml<1, "smus">;
2841 //===----------------------------------------------------------------------===//
2842 // Misc. Arithmetic Instructions.
2845 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2846 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2847 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2849 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2850 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2851 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2852 Requires<[IsARM, HasV6T2]>;
2854 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2855 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2856 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2858 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2859 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2861 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2862 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2863 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2864 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2865 Requires<[IsARM, HasV6]>;
2867 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2868 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2871 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2872 (shl GPR:$Rm, (i32 8))), i16))]>,
2873 Requires<[IsARM, HasV6]>;
2875 def lsl_shift_imm : SDNodeXForm<imm, [{
2876 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2877 return CurDAG->getTargetConstant(Sh, MVT::i32);
2880 def lsl_amt : PatLeaf<(i32 imm), [{
2881 return (N->getZExtValue() < 32);
2884 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2885 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2886 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2887 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2888 (and (shl GPR:$Rm, lsl_amt:$sh),
2890 Requires<[IsARM, HasV6]>;
2892 // Alternate cases for PKHBT where identities eliminate some nodes.
2893 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2894 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2895 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2896 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2898 def asr_shift_imm : SDNodeXForm<imm, [{
2899 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2900 return CurDAG->getTargetConstant(Sh, MVT::i32);
2903 def asr_amt : PatLeaf<(i32 imm), [{
2904 return (N->getZExtValue() <= 32);
2907 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2908 // will match the pattern below.
2909 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2910 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2911 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2912 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2913 (and (sra GPR:$Rm, asr_amt:$sh),
2915 Requires<[IsARM, HasV6]>;
2917 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2918 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2919 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2920 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2921 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2922 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2923 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2925 //===----------------------------------------------------------------------===//
2926 // Comparison Instructions...
2929 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2930 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2931 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2933 // FIXME: We have to be careful when using the CMN instruction and comparison
2934 // with 0. One would expect these two pieces of code should give identical
2950 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2951 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2952 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2953 // value of r0 and the carry bit (because the "carry bit" parameter to
2954 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2955 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2956 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2957 // parameter to AddWithCarry is defined as 0).
2959 // When x is 0 and unsigned:
2963 // ~x + 1 = 0x1 0000 0000
2964 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2966 // Therefore, we should disable CMN when comparing against zero, until we can
2967 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2968 // when it's a comparison which doesn't look at the 'carry' flag).
2970 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2972 // This is related to <rdar://problem/7569620>.
2974 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2975 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2977 // Note that TST/TEQ don't set all the same flags that CMP does!
2978 defm TST : AI1_cmp_irs<0b1000, "tst",
2979 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2980 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2981 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2982 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2983 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2985 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2986 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2987 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2988 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2989 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2990 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2992 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2993 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2995 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2996 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2998 // Pseudo i64 compares for some floating point compares.
2999 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3001 def BCCi64 : PseudoInst<(outs),
3002 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3004 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3006 def BCCZi64 : PseudoInst<(outs),
3007 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3008 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3009 } // usesCustomInserter
3012 // Conditional moves
3013 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3014 // a two-value operand where a dag node expects two operands. :(
3015 // FIXME: These should all be pseudo-instructions that get expanded to
3016 // the normal MOV instructions. That would fix the dependency on
3017 // special casing them in tblgen.
3018 let neverHasSideEffects = 1 in {
3019 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3020 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3021 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3022 RegConstraint<"$false = $Rd">, UnaryDP {
3027 let Inst{15-12} = Rd;
3028 let Inst{11-4} = 0b00000000;
3032 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3033 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3034 "mov", "\t$Rd, $shift",
3035 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3036 RegConstraint<"$false = $Rd">, UnaryDP {
3041 let Inst{19-16} = 0;
3042 let Inst{15-12} = Rd;
3043 let Inst{11-0} = shift;
3046 let isMoveImm = 1 in
3047 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
3049 "movw", "\t$Rd, $imm",
3051 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3057 let Inst{19-16} = imm{15-12};
3058 let Inst{15-12} = Rd;
3059 let Inst{11-0} = imm{11-0};
3062 let isMoveImm = 1 in
3063 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3064 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3065 "mov", "\t$Rd, $imm",
3066 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3067 RegConstraint<"$false = $Rd">, UnaryDP {
3072 let Inst{19-16} = 0b0000;
3073 let Inst{15-12} = Rd;
3074 let Inst{11-0} = imm;
3077 // Two instruction predicate mov immediate.
3078 let isMoveImm = 1 in
3079 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3080 (ins GPR:$false, i32imm:$src, pred:$p),
3081 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3083 let isMoveImm = 1 in
3084 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3085 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3086 "mvn", "\t$Rd, $imm",
3087 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3088 RegConstraint<"$false = $Rd">, UnaryDP {
3093 let Inst{19-16} = 0b0000;
3094 let Inst{15-12} = Rd;
3095 let Inst{11-0} = imm;
3097 } // neverHasSideEffects
3099 //===----------------------------------------------------------------------===//
3100 // Atomic operations intrinsics
3103 def memb_opt : Operand<i32> {
3104 let PrintMethod = "printMemBOption";
3107 // memory barriers protect the atomic sequences
3108 let hasSideEffects = 1 in {
3109 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3110 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3111 Requires<[IsARM, HasDB]> {
3113 let Inst{31-4} = 0xf57ff05;
3114 let Inst{3-0} = opt;
3117 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3118 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3119 [(ARMMemBarrierMCR GPR:$zero)]>,
3120 Requires<[IsARM, HasV6]> {
3121 // FIXME: add encoding
3125 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3127 [/* For disassembly only; pattern left blank */]>,
3128 Requires<[IsARM, HasDB]> {
3130 let Inst{31-4} = 0xf57ff04;
3131 let Inst{3-0} = opt;
3134 // ISB has only full system option -- for disassembly only
3135 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3136 Requires<[IsARM, HasDB]> {
3137 let Inst{31-4} = 0xf57ff06;
3138 let Inst{3-0} = 0b1111;
3141 let usesCustomInserter = 1 in {
3142 let Uses = [CPSR] in {
3143 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3144 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3145 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3146 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3147 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3148 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3149 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3150 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3151 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3152 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3153 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3154 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3155 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3156 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3157 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3158 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3159 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3160 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3161 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3162 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3163 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3164 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3165 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3166 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3167 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3168 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3169 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3170 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3171 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3172 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3173 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3174 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3175 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3176 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3177 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3178 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3179 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3180 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3181 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3182 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3183 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3184 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3185 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3186 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3187 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3188 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3189 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3190 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3191 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3192 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3193 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3194 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3195 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3196 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3198 def ATOMIC_SWAP_I8 : PseudoInst<
3199 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3200 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3201 def ATOMIC_SWAP_I16 : PseudoInst<
3202 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3203 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3204 def ATOMIC_SWAP_I32 : PseudoInst<
3205 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3206 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3208 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3209 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3210 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3211 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3212 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3213 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3214 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3215 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3216 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3220 let mayLoad = 1 in {
3221 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3222 "ldrexb", "\t$Rt, [$Rn]",
3224 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3225 "ldrexh", "\t$Rt, [$Rn]",
3227 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3228 "ldrex", "\t$Rt, [$Rn]",
3230 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3232 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3236 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3237 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3239 "strexb", "\t$Rd, $src, [$Rn]",
3241 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3243 "strexh", "\t$Rd, $Rt, [$Rn]",
3245 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3247 "strex", "\t$Rd, $Rt, [$Rn]",
3249 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3250 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3252 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3256 // Clear-Exclusive is for disassembly only.
3257 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3258 [/* For disassembly only; pattern left blank */]>,
3259 Requires<[IsARM, HasV7]> {
3260 let Inst{31-0} = 0b11110101011111111111000000011111;
3263 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3264 let mayLoad = 1 in {
3265 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3266 [/* For disassembly only; pattern left blank */]>;
3267 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3268 [/* For disassembly only; pattern left blank */]>;
3271 //===----------------------------------------------------------------------===//
3275 // __aeabi_read_tp preserves the registers r1-r3.
3276 // FIXME: This needs to be a pseudo of some sort so that we can get the
3277 // encoding right, complete with fixup for the aeabi_read_tp function.
3279 Defs = [R0, R12, LR, CPSR] in {
3280 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3281 "bl\t__aeabi_read_tp",
3282 [(set R0, ARMthread_pointer)]>;
3285 //===----------------------------------------------------------------------===//
3286 // SJLJ Exception handling intrinsics
3287 // eh_sjlj_setjmp() is an instruction sequence to store the return
3288 // address and save #0 in R0 for the non-longjmp case.
3289 // Since by its nature we may be coming from some other function to get
3290 // here, and we're using the stack frame for the containing function to
3291 // save/restore registers, we can't keep anything live in regs across
3292 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3293 // when we get here from a longjmp(). We force everthing out of registers
3294 // except for our own input by listing the relevant registers in Defs. By
3295 // doing so, we also cause the prologue/epilogue code to actively preserve
3296 // all of the callee-saved resgisters, which is exactly what we want.
3297 // A constant value is passed in $val, and we use the location as a scratch.
3299 // These are pseudo-instructions and are lowered to individual MC-insts, so
3300 // no encoding information is necessary.
3302 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3303 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3304 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3305 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3306 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3307 AddrModeNone, SizeSpecial, IndexModeNone,
3308 Pseudo, NoItinerary, "", "",
3309 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3310 Requires<[IsARM, HasVFP2]>;
3314 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3315 hasSideEffects = 1, isBarrier = 1 in {
3316 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3317 AddrModeNone, SizeSpecial, IndexModeNone,
3318 Pseudo, NoItinerary, "", "",
3319 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3320 Requires<[IsARM, NoVFP]>;
3323 // FIXME: Non-Darwin version(s)
3324 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3325 Defs = [ R7, LR, SP ] in {
3326 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3327 AddrModeNone, SizeSpecial, IndexModeNone,
3328 Pseudo, NoItinerary, "", "",
3329 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3330 Requires<[IsARM, IsDarwin]>;
3333 // eh.sjlj.dispatchsetup pseudo-instruction.
3334 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3335 // handled when the pseudo is expanded (which happens before any passes
3336 // that need the instruction size).
3337 let isBarrier = 1, hasSideEffects = 1 in
3338 def Int_eh_sjlj_dispatchsetup :
3339 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3340 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3341 Requires<[IsDarwin]>;
3343 //===----------------------------------------------------------------------===//
3344 // Non-Instruction Patterns
3347 // Large immediate handling.
3349 // 32-bit immediate using two piece so_imms or movw + movt.
3350 // This is a single pseudo instruction, the benefit is that it can be remat'd
3351 // as a single unit instead of having to handle reg inputs.
3352 // FIXME: Remove this when we can do generalized remat.
3353 let isReMaterializable = 1, isMoveImm = 1 in
3354 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3355 [(set GPR:$dst, (arm_i32imm:$src))]>,
3358 // ConstantPool, GlobalAddress, and JumpTable
3359 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3360 Requires<[IsARM, DontUseMovt]>;
3361 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3362 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3363 Requires<[IsARM, UseMovt]>;
3364 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3365 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3367 // TODO: add,sub,and, 3-instr forms?
3370 def : ARMPat<(ARMtcret tcGPR:$dst),
3371 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3373 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3374 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3376 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3377 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3379 def : ARMPat<(ARMtcret tcGPR:$dst),
3380 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3382 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3383 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3385 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3386 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3389 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3390 Requires<[IsARM, IsNotDarwin]>;
3391 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3392 Requires<[IsARM, IsDarwin]>;
3394 // zextload i1 -> zextload i8
3395 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3396 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3398 // extload -> zextload
3399 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3400 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3401 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3402 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3404 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3406 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3407 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3410 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3411 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3412 (SMULBB GPR:$a, GPR:$b)>;
3413 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3414 (SMULBB GPR:$a, GPR:$b)>;
3415 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3416 (sra GPR:$b, (i32 16))),
3417 (SMULBT GPR:$a, GPR:$b)>;
3418 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3419 (SMULBT GPR:$a, GPR:$b)>;
3420 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3421 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3422 (SMULTB GPR:$a, GPR:$b)>;
3423 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3424 (SMULTB GPR:$a, GPR:$b)>;
3425 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3427 (SMULWB GPR:$a, GPR:$b)>;
3428 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3429 (SMULWB GPR:$a, GPR:$b)>;
3431 def : ARMV5TEPat<(add GPR:$acc,
3432 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3433 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3434 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3435 def : ARMV5TEPat<(add GPR:$acc,
3436 (mul sext_16_node:$a, sext_16_node:$b)),
3437 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3438 def : ARMV5TEPat<(add GPR:$acc,
3439 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3440 (sra GPR:$b, (i32 16)))),
3441 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3442 def : ARMV5TEPat<(add GPR:$acc,
3443 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3444 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3445 def : ARMV5TEPat<(add GPR:$acc,
3446 (mul (sra GPR:$a, (i32 16)),
3447 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3448 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3449 def : ARMV5TEPat<(add GPR:$acc,
3450 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3451 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3452 def : ARMV5TEPat<(add GPR:$acc,
3453 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3455 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3456 def : ARMV5TEPat<(add GPR:$acc,
3457 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3458 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3460 //===----------------------------------------------------------------------===//
3464 include "ARMInstrThumb.td"
3466 //===----------------------------------------------------------------------===//
3470 include "ARMInstrThumb2.td"
3472 //===----------------------------------------------------------------------===//
3473 // Floating Point Support
3476 include "ARMInstrVFP.td"
3478 //===----------------------------------------------------------------------===//
3479 // Advanced SIMD (NEON) Support
3482 include "ARMInstrNEON.td"
3484 //===----------------------------------------------------------------------===//
3485 // Coprocessor Instructions. For disassembly only.
3488 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3489 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3490 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3491 [/* For disassembly only; pattern left blank */]> {
3495 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3496 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3497 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3498 [/* For disassembly only; pattern left blank */]> {
3499 let Inst{31-28} = 0b1111;
3503 class ACI<dag oops, dag iops, string opc, string asm>
3504 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3505 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3506 let Inst{27-25} = 0b110;
3509 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3511 def _OFFSET : ACI<(outs),
3512 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3513 opc, "\tp$cop, cr$CRd, $addr"> {
3514 let Inst{31-28} = op31_28;
3515 let Inst{24} = 1; // P = 1
3516 let Inst{21} = 0; // W = 0
3517 let Inst{22} = 0; // D = 0
3518 let Inst{20} = load;
3521 def _PRE : ACI<(outs),
3522 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3523 opc, "\tp$cop, cr$CRd, $addr!"> {
3524 let Inst{31-28} = op31_28;
3525 let Inst{24} = 1; // P = 1
3526 let Inst{21} = 1; // W = 1
3527 let Inst{22} = 0; // D = 0
3528 let Inst{20} = load;
3531 def _POST : ACI<(outs),
3532 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3533 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3534 let Inst{31-28} = op31_28;
3535 let Inst{24} = 0; // P = 0
3536 let Inst{21} = 1; // W = 1
3537 let Inst{22} = 0; // D = 0
3538 let Inst{20} = load;
3541 def _OPTION : ACI<(outs),
3542 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3543 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3544 let Inst{31-28} = op31_28;
3545 let Inst{24} = 0; // P = 0
3546 let Inst{23} = 1; // U = 1
3547 let Inst{21} = 0; // W = 0
3548 let Inst{22} = 0; // D = 0
3549 let Inst{20} = load;
3552 def L_OFFSET : ACI<(outs),
3553 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3554 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3555 let Inst{31-28} = op31_28;
3556 let Inst{24} = 1; // P = 1
3557 let Inst{21} = 0; // W = 0
3558 let Inst{22} = 1; // D = 1
3559 let Inst{20} = load;
3562 def L_PRE : ACI<(outs),
3563 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3564 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3565 let Inst{31-28} = op31_28;
3566 let Inst{24} = 1; // P = 1
3567 let Inst{21} = 1; // W = 1
3568 let Inst{22} = 1; // D = 1
3569 let Inst{20} = load;
3572 def L_POST : ACI<(outs),
3573 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3574 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3575 let Inst{31-28} = op31_28;
3576 let Inst{24} = 0; // P = 0
3577 let Inst{21} = 1; // W = 1
3578 let Inst{22} = 1; // D = 1
3579 let Inst{20} = load;
3582 def L_OPTION : ACI<(outs),
3583 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3584 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3585 let Inst{31-28} = op31_28;
3586 let Inst{24} = 0; // P = 0
3587 let Inst{23} = 1; // U = 1
3588 let Inst{21} = 0; // W = 0
3589 let Inst{22} = 1; // D = 1
3590 let Inst{20} = load;
3594 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3595 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3596 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3597 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3599 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3600 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3601 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3602 [/* For disassembly only; pattern left blank */]> {
3607 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3608 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3609 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3610 [/* For disassembly only; pattern left blank */]> {
3611 let Inst{31-28} = 0b1111;
3616 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3617 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3618 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3619 [/* For disassembly only; pattern left blank */]> {
3624 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3625 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3626 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3627 [/* For disassembly only; pattern left blank */]> {
3628 let Inst{31-28} = 0b1111;
3633 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3634 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3635 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3636 [/* For disassembly only; pattern left blank */]> {
3637 let Inst{23-20} = 0b0100;
3640 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3641 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3642 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3643 [/* For disassembly only; pattern left blank */]> {
3644 let Inst{31-28} = 0b1111;
3645 let Inst{23-20} = 0b0100;
3648 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3649 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3650 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3651 [/* For disassembly only; pattern left blank */]> {
3652 let Inst{23-20} = 0b0101;
3655 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3656 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3657 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3658 [/* For disassembly only; pattern left blank */]> {
3659 let Inst{31-28} = 0b1111;
3660 let Inst{23-20} = 0b0101;
3663 //===----------------------------------------------------------------------===//
3664 // Move between special register and ARM core register -- for disassembly only
3667 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3668 [/* For disassembly only; pattern left blank */]> {
3669 let Inst{23-20} = 0b0000;
3670 let Inst{7-4} = 0b0000;
3673 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3674 [/* For disassembly only; pattern left blank */]> {
3675 let Inst{23-20} = 0b0100;
3676 let Inst{7-4} = 0b0000;
3679 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3680 "msr", "\tcpsr$mask, $src",
3681 [/* For disassembly only; pattern left blank */]> {
3682 let Inst{23-20} = 0b0010;
3683 let Inst{7-4} = 0b0000;
3686 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3687 "msr", "\tcpsr$mask, $a",
3688 [/* For disassembly only; pattern left blank */]> {
3689 let Inst{23-20} = 0b0010;
3690 let Inst{7-4} = 0b0000;
3693 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3694 "msr", "\tspsr$mask, $src",
3695 [/* For disassembly only; pattern left blank */]> {
3696 let Inst{23-20} = 0b0110;
3697 let Inst{7-4} = 0b0000;
3700 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3701 "msr", "\tspsr$mask, $a",
3702 [/* For disassembly only; pattern left blank */]> {
3703 let Inst{23-20} = 0b0110;
3704 let Inst{7-4} = 0b0000;