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 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1122 // classes (AXI1, et.al.) and so have encoding information and such,
1123 // which is suboptimal. Once the rest of the code emitter (including
1124 // JIT) is MC-ized we should look at refactoring these into true
1125 // pseudos. As is, the encoding information ends up being ignored,
1126 // as these instructions are lowered to individual MC-insts.
1127 let isNotDuplicable = 1 in {
1128 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1129 Pseudo, IIC_iALUr, "",
1130 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1132 let AddedComplexity = 10 in {
1133 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1134 Pseudo, IIC_iLoad_r, "",
1135 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1137 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1138 Pseudo, IIC_iLoad_bh_r, "",
1139 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1141 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1142 Pseudo, IIC_iLoad_bh_r, "",
1143 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1145 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1146 Pseudo, IIC_iLoad_bh_r, "",
1147 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1149 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1150 Pseudo, IIC_iLoad_bh_r, "",
1151 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1153 let AddedComplexity = 10 in {
1154 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1155 Pseudo, IIC_iStore_r, "",
1156 [(store GPR:$src, addrmodepc:$addr)]>;
1158 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1159 Pseudo, IIC_iStore_bh_r, "",
1160 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1162 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1163 Pseudo, IIC_iStore_bh_r, "",
1164 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1166 } // isNotDuplicable = 1
1169 // LEApcrel - Load a pc-relative address into a register without offending the
1171 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1172 // the ADR instruction. Is this the right way to handle that? They need
1173 // encoding information regardless.
1174 let neverHasSideEffects = 1 in {
1175 let isReMaterializable = 1 in
1176 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1178 "adr$p\t$dst, #$label", []>;
1180 } // neverHasSideEffects
1181 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1182 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1184 "adr$p\t$dst, #${label}_${id}", []> {
1188 //===----------------------------------------------------------------------===//
1189 // Control Flow Instructions.
1192 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1194 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1195 "bx", "\tlr", [(ARMretflag)]>,
1196 Requires<[IsARM, HasV4T]> {
1197 let Inst{27-0} = 0b0001001011111111111100011110;
1201 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1202 "mov", "\tpc, lr", [(ARMretflag)]>,
1203 Requires<[IsARM, NoV4T]> {
1204 let Inst{27-0} = 0b0001101000001111000000001110;
1208 // Indirect branches
1209 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1211 def BRIND : AXI<(outs), (ins GPR:$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 : JTI<(outs),
1441 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1442 IIC_Br, "add\tpc, $target, $idx$jt",
1443 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1445 let Inst{15-12} = 0b1111;
1446 let Inst{20} = 0; // S bit
1447 let Inst{24-21} = 0b0100;
1448 let Inst{27-25} = 0b000;
1450 } // isNotDuplicable = 1, isIndirectBranch = 1
1453 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1454 // a two-value operand where a dag node expects two operands. :(
1455 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1456 IIC_Br, "b", "\t$target",
1457 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1459 let Inst{23-0} = target;
1463 // Branch and Exchange Jazelle -- for disassembly only
1464 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1465 [/* For disassembly only; pattern left blank */]> {
1466 let Inst{23-20} = 0b0010;
1467 //let Inst{19-8} = 0xfff;
1468 let Inst{7-4} = 0b0010;
1471 // Secure Monitor Call is a system instruction -- for disassembly only
1472 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1473 [/* For disassembly only; pattern left blank */]> {
1475 let Inst{23-4} = 0b01100000000000000111;
1476 let Inst{3-0} = opt;
1479 // Supervisor Call (Software Interrupt) -- for disassembly only
1481 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1482 [/* For disassembly only; pattern left blank */]> {
1484 let Inst{23-0} = svc;
1488 // Store Return State is a system instruction -- for disassembly only
1489 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1490 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1491 NoItinerary, "srs${amode}\tsp!, $mode",
1492 [/* For disassembly only; pattern left blank */]> {
1493 let Inst{31-28} = 0b1111;
1494 let Inst{22-20} = 0b110; // W = 1
1497 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1498 NoItinerary, "srs${amode}\tsp, $mode",
1499 [/* For disassembly only; pattern left blank */]> {
1500 let Inst{31-28} = 0b1111;
1501 let Inst{22-20} = 0b100; // W = 0
1504 // Return From Exception is a system instruction -- for disassembly only
1505 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1506 NoItinerary, "rfe${amode}\t$base!",
1507 [/* For disassembly only; pattern left blank */]> {
1508 let Inst{31-28} = 0b1111;
1509 let Inst{22-20} = 0b011; // W = 1
1512 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1513 NoItinerary, "rfe${amode}\t$base",
1514 [/* For disassembly only; pattern left blank */]> {
1515 let Inst{31-28} = 0b1111;
1516 let Inst{22-20} = 0b001; // W = 0
1518 } // isCodeGenOnly = 1
1520 //===----------------------------------------------------------------------===//
1521 // Load / store Instructions.
1527 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1528 UnOpFrag<(load node:$Src)>>;
1529 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1530 UnOpFrag<(zextloadi8 node:$Src)>>;
1531 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1532 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1533 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1534 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1536 // Special LDR for loads from non-pc-relative constpools.
1537 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1538 isReMaterializable = 1 in
1539 def LDRcp : AIldst1<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1540 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1544 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1545 let Inst{19-16} = 0b1111;
1546 let Inst{15-12} = Rt;
1547 let Inst{11-0} = addr{11-0}; // imm12
1550 // Loads with zero extension
1551 def LDRH : AI3ldh<(outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1552 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1553 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1555 // Loads with sign extension
1556 def LDRSH : AI3ldsh<(outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1557 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1558 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1560 def LDRSB : AI3ldsb<(outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1561 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1562 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1564 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1565 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1567 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1568 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1569 []>, Requires<[IsARM, HasV5TE]>;
1572 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1573 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1574 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1575 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1577 // {13} 1 == Rm, 0 == imm12
1581 let Inst{25} = addr{13};
1582 let Inst{23} = addr{12};
1583 let Inst{19-16} = addr{17-14};
1584 let Inst{11-0} = addr{11-0};
1586 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1587 (ins GPR:$Rn, am2offset:$offset),
1588 IndexModePost, LdFrm, itin,
1589 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1590 // {13} 1 == Rm, 0 == imm12
1595 let Inst{25} = offset{13};
1596 let Inst{23} = offset{12};
1597 let Inst{19-16} = Rn;
1598 let Inst{11-0} = offset{11-0};
1602 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1603 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1605 def LDRH_PRE : AI3ldhpr<(outs GPR:$Rt, GPR:$Rn_wb),
1606 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1607 "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1609 def LDRH_POST : AI3ldhpo<(outs GPR:$Rt, GPR:$Rn_wb),
1610 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1611 "ldrh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1613 def LDRSH_PRE : AI3ldshpr<(outs GPR:$Rt, GPR:$Rn_wb),
1614 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1615 "ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1617 def LDRSH_POST: AI3ldshpo<(outs GPR:$Rt, GPR:$Rn_wb),
1618 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1619 "ldrsh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1621 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$Rt, GPR:$Rn_wb),
1622 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1623 "ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1625 def LDRSB_POST: AI3ldsbpo<(outs GPR:$Rt, GPR:$Rn_wb),
1626 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1627 "ldrsb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1629 // For disassembly only
1630 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1631 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1632 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1633 Requires<[IsARM, HasV5TE]>;
1635 // For disassembly only
1636 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1637 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1638 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1639 Requires<[IsARM, HasV5TE]>;
1641 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1643 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1645 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1646 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1647 LdFrm, IIC_iLoad_ru,
1648 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1649 let Inst{21} = 1; // overwrite
1652 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1653 (ins GPR:$base,am2offset:$offset), IndexModeNone,
1654 LdFrm, IIC_iLoad_bh_ru,
1655 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1656 let Inst{21} = 1; // overwrite
1659 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1660 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1661 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1662 let Inst{21} = 1; // overwrite
1665 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1666 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1667 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1668 let Inst{21} = 1; // overwrite
1671 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1672 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1673 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1674 let Inst{21} = 1; // overwrite
1679 // Stores with truncate
1680 def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1681 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1682 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1685 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1686 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1687 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1688 StMiscFrm, IIC_iStore_d_r,
1689 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1692 def STR_PRE : AI2ldstidx<0, 0, 1, (outs GPR:$Rn_wb),
1693 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1694 IndexModePre, StFrm, IIC_iStore_ru,
1695 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1697 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1698 // {13} 1 == Rm, 0 == imm12
1703 let Inst{25} = offset{13};
1704 let Inst{23} = offset{12};
1705 let Inst{19-16} = Rn;
1706 let Inst{11-0} = offset{11-0};
1709 def STR_POST : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
1710 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1711 IndexModePost, StFrm, IIC_iStore_ru,
1712 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1714 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1715 // {13} 1 == Rm, 0 == imm12
1720 let Inst{25} = offset{13};
1721 let Inst{23} = offset{12};
1722 let Inst{19-16} = Rn;
1723 let Inst{11-0} = offset{11-0};
1726 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1727 (ins GPR:$src, GPR:$base,am3offset:$offset),
1728 StMiscFrm, IIC_iStore_ru,
1729 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1731 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1733 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1734 (ins GPR:$src, GPR:$base,am3offset:$offset),
1735 StMiscFrm, IIC_iStore_bh_ru,
1736 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1737 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1738 GPR:$base, am3offset:$offset))]>;
1740 def STRB_PRE : AI2ldstidx<0, 1, 1, (outs GPR:$Rn_wb),
1741 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1742 IndexModePre, StFrm, IIC_iStore_bh_ru,
1743 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1744 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1745 GPR:$Rn, am2offset:$offset))]> {
1746 // {13} 1 == Rm, 0 == imm12
1751 let Inst{25} = offset{13};
1752 let Inst{23} = offset{12};
1753 let Inst{19-16} = Rn;
1754 let Inst{11-0} = offset{11-0};
1757 def STRB_POST: AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
1758 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1759 IndexModePost, StFrm, IIC_iStore_bh_ru,
1760 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1761 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1762 GPR:$Rn, am2offset:$offset))]> {
1763 // {13} 1 == Rm, 0 == imm12
1768 let Inst{25} = offset{13};
1769 let Inst{23} = offset{12};
1770 let Inst{19-16} = Rn;
1771 let Inst{11-0} = offset{11-0};
1774 // For disassembly only
1775 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1776 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1777 StMiscFrm, IIC_iStore_d_ru,
1778 "strd", "\t$src1, $src2, [$base, $offset]!",
1779 "$base = $base_wb", []>;
1781 // For disassembly only
1782 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1783 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1784 StMiscFrm, IIC_iStore_d_ru,
1785 "strd", "\t$src1, $src2, [$base], $offset",
1786 "$base = $base_wb", []>;
1788 // STRT, STRBT, and STRHT are for disassembly only.
1790 def STRT : AI2ldstidx<0, 0, 0, (outs GPR:$base_wb),
1791 (ins GPR:$src, GPR:$base,am2offset:$offset),
1792 IndexModeNone, StFrm, IIC_iStore_ru,
1793 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1794 [/* For disassembly only; pattern left blank */]> {
1795 let Inst{21} = 1; // overwrite
1798 def STRBT : AI2ldstidx<0, 1, 0, (outs GPR:$base_wb),
1799 (ins GPR:$src, GPR:$base,am2offset:$offset),
1800 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1801 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1802 [/* For disassembly only; pattern left blank */]> {
1803 let Inst{21} = 1; // overwrite
1806 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1807 (ins GPR:$src, GPR:$base,am3offset:$offset),
1808 StMiscFrm, IIC_iStore_bh_ru,
1809 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1810 [/* For disassembly only; pattern left blank */]> {
1811 let Inst{21} = 1; // overwrite
1814 //===----------------------------------------------------------------------===//
1815 // Load / store multiple Instructions.
1818 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1819 InstrItinClass itin, InstrItinClass itin_upd> {
1821 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1822 IndexModeNone, f, itin,
1823 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1824 let Inst{24-23} = 0b01; // Increment After
1825 let Inst{21} = 0; // No writeback
1826 let Inst{20} = L_bit;
1829 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1830 IndexModeUpd, f, itin_upd,
1831 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1832 let Inst{24-23} = 0b01; // Increment After
1833 let Inst{21} = 1; // Writeback
1834 let Inst{20} = L_bit;
1837 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1838 IndexModeNone, f, itin,
1839 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1840 let Inst{24-23} = 0b00; // Decrement After
1841 let Inst{21} = 0; // No writeback
1842 let Inst{20} = L_bit;
1845 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1846 IndexModeUpd, f, itin_upd,
1847 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1848 let Inst{24-23} = 0b00; // Decrement After
1849 let Inst{21} = 1; // Writeback
1850 let Inst{20} = L_bit;
1853 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1854 IndexModeNone, f, itin,
1855 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1856 let Inst{24-23} = 0b10; // Decrement Before
1857 let Inst{21} = 0; // No writeback
1858 let Inst{20} = L_bit;
1861 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1862 IndexModeUpd, f, itin_upd,
1863 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1864 let Inst{24-23} = 0b10; // Decrement Before
1865 let Inst{21} = 1; // Writeback
1866 let Inst{20} = L_bit;
1869 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1870 IndexModeNone, f, itin,
1871 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1872 let Inst{24-23} = 0b11; // Increment Before
1873 let Inst{21} = 0; // No writeback
1874 let Inst{20} = L_bit;
1877 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1878 IndexModeUpd, f, itin_upd,
1879 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1880 let Inst{24-23} = 0b11; // Increment Before
1881 let Inst{21} = 1; // Writeback
1882 let Inst{20} = L_bit;
1886 let neverHasSideEffects = 1 in {
1888 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1889 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1891 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1892 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1894 } // neverHasSideEffects
1896 // Load / Store Multiple Mnemnoic Aliases
1897 def : MnemonicAlias<"ldm", "ldmia">;
1898 def : MnemonicAlias<"stm", "stmia">;
1900 // FIXME: remove when we have a way to marking a MI with these properties.
1901 // FIXME: Should pc be an implicit operand like PICADD, etc?
1902 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1903 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1904 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1905 reglist:$regs, variable_ops),
1906 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1907 "ldmia${p}\t$Rn!, $regs",
1909 let Inst{24-23} = 0b01; // Increment After
1910 let Inst{21} = 1; // Writeback
1911 let Inst{20} = 1; // Load
1914 //===----------------------------------------------------------------------===//
1915 // Move Instructions.
1918 let neverHasSideEffects = 1 in
1919 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1920 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1924 let Inst{11-4} = 0b00000000;
1927 let Inst{15-12} = Rd;
1930 // A version for the smaller set of tail call registers.
1931 let neverHasSideEffects = 1 in
1932 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1933 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1937 let Inst{11-4} = 0b00000000;
1940 let Inst{15-12} = Rd;
1943 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1944 DPSoRegFrm, IIC_iMOVsr,
1945 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1949 let Inst{15-12} = Rd;
1950 let Inst{11-0} = src;
1954 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1955 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1956 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1960 let Inst{15-12} = Rd;
1961 let Inst{19-16} = 0b0000;
1962 let Inst{11-0} = imm;
1965 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1966 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1968 "movw", "\t$Rd, $imm",
1969 [(set GPR:$Rd, imm0_65535:$imm)]>,
1970 Requires<[IsARM, HasV6T2]>, UnaryDP {
1973 let Inst{15-12} = Rd;
1974 let Inst{11-0} = imm{11-0};
1975 let Inst{19-16} = imm{15-12};
1980 let Constraints = "$src = $Rd" in
1981 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1983 "movt", "\t$Rd, $imm",
1985 (or (and GPR:$src, 0xffff),
1986 lo16AllZero:$imm))]>, UnaryDP,
1987 Requires<[IsARM, HasV6T2]> {
1990 let Inst{15-12} = Rd;
1991 let Inst{11-0} = imm{11-0};
1992 let Inst{19-16} = imm{15-12};
1997 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1998 Requires<[IsARM, HasV6T2]>;
2000 let Uses = [CPSR] in
2001 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
2002 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2005 // These aren't really mov instructions, but we have to define them this way
2006 // due to flag operands.
2008 let Defs = [CPSR] in {
2009 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
2010 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2012 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
2013 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2017 //===----------------------------------------------------------------------===//
2018 // Extend Instructions.
2023 defm SXTB : AI_ext_rrot<0b01101010,
2024 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2025 defm SXTH : AI_ext_rrot<0b01101011,
2026 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2028 defm SXTAB : AI_exta_rrot<0b01101010,
2029 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2030 defm SXTAH : AI_exta_rrot<0b01101011,
2031 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2033 // For disassembly only
2034 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2036 // For disassembly only
2037 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2041 let AddedComplexity = 16 in {
2042 defm UXTB : AI_ext_rrot<0b01101110,
2043 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2044 defm UXTH : AI_ext_rrot<0b01101111,
2045 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2046 defm UXTB16 : AI_ext_rrot<0b01101100,
2047 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2049 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2050 // The transformation should probably be done as a combiner action
2051 // instead so we can include a check for masking back in the upper
2052 // eight bits of the source into the lower eight bits of the result.
2053 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2054 // (UXTB16r_rot GPR:$Src, 24)>;
2055 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2056 (UXTB16r_rot GPR:$Src, 8)>;
2058 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2059 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2060 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2061 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2064 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2065 // For disassembly only
2066 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2069 def SBFX : I<(outs GPR:$Rd),
2070 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2071 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2072 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2073 Requires<[IsARM, HasV6T2]> {
2078 let Inst{27-21} = 0b0111101;
2079 let Inst{6-4} = 0b101;
2080 let Inst{20-16} = width;
2081 let Inst{15-12} = Rd;
2082 let Inst{11-7} = lsb;
2086 def UBFX : I<(outs GPR:$Rd),
2087 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2088 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2089 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2090 Requires<[IsARM, HasV6T2]> {
2095 let Inst{27-21} = 0b0111111;
2096 let Inst{6-4} = 0b101;
2097 let Inst{20-16} = width;
2098 let Inst{15-12} = Rd;
2099 let Inst{11-7} = lsb;
2103 //===----------------------------------------------------------------------===//
2104 // Arithmetic Instructions.
2107 defm ADD : AsI1_bin_irs<0b0100, "add",
2108 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2109 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2110 defm SUB : AsI1_bin_irs<0b0010, "sub",
2111 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2112 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2114 // ADD and SUB with 's' bit set.
2115 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2116 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2117 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2118 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2119 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2120 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2122 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2123 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2124 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2125 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2126 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2127 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2128 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2129 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2131 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2132 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2133 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2138 let Inst{15-12} = Rd;
2139 let Inst{19-16} = Rn;
2140 let Inst{11-0} = imm;
2143 // The reg/reg form is only defined for the disassembler; for codegen it is
2144 // equivalent to SUBrr.
2145 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2146 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2147 [/* For disassembly only; pattern left blank */]> {
2151 let Inst{11-4} = 0b00000000;
2154 let Inst{15-12} = Rd;
2155 let Inst{19-16} = Rn;
2158 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2159 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2160 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2165 let Inst{11-0} = shift;
2166 let Inst{15-12} = Rd;
2167 let Inst{19-16} = Rn;
2170 // RSB with 's' bit set.
2171 let Defs = [CPSR] in {
2172 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2173 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2174 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2180 let Inst{15-12} = Rd;
2181 let Inst{19-16} = Rn;
2182 let Inst{11-0} = imm;
2184 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2185 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2186 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2192 let Inst{11-0} = shift;
2193 let Inst{15-12} = Rd;
2194 let Inst{19-16} = Rn;
2198 let Uses = [CPSR] in {
2199 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2200 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2201 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2207 let Inst{15-12} = Rd;
2208 let Inst{19-16} = Rn;
2209 let Inst{11-0} = imm;
2211 // The reg/reg form is only defined for the disassembler; for codegen it is
2212 // equivalent to SUBrr.
2213 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2214 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2215 [/* For disassembly only; pattern left blank */]> {
2219 let Inst{11-4} = 0b00000000;
2222 let Inst{15-12} = Rd;
2223 let Inst{19-16} = Rn;
2225 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2226 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2227 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2233 let Inst{11-0} = shift;
2234 let Inst{15-12} = Rd;
2235 let Inst{19-16} = Rn;
2239 // FIXME: Allow these to be predicated.
2240 let Defs = [CPSR], Uses = [CPSR] in {
2241 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2242 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2243 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2250 let Inst{15-12} = Rd;
2251 let Inst{19-16} = Rn;
2252 let Inst{11-0} = imm;
2254 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2255 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2256 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2263 let Inst{11-0} = shift;
2264 let Inst{15-12} = Rd;
2265 let Inst{19-16} = Rn;
2269 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2270 // The assume-no-carry-in form uses the negation of the input since add/sub
2271 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2272 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2274 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2275 (SUBri GPR:$src, so_imm_neg:$imm)>;
2276 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2277 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2278 // The with-carry-in form matches bitwise not instead of the negation.
2279 // Effectively, the inverse interpretation of the carry flag already accounts
2280 // for part of the negation.
2281 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2282 (SBCri GPR:$src, so_imm_not:$imm)>;
2284 // Note: These are implemented in C++ code, because they have to generate
2285 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2287 // (mul X, 2^n+1) -> (add (X << n), X)
2288 // (mul X, 2^n-1) -> (rsb X, (X << n))
2290 // ARM Arithmetic Instruction -- for disassembly only
2291 // GPR:$dst = GPR:$a op GPR:$b
2292 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2293 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2294 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2295 opc, "\t$Rd, $Rn, $Rm", pattern> {
2299 let Inst{27-20} = op27_20;
2300 let Inst{11-4} = op11_4;
2301 let Inst{19-16} = Rn;
2302 let Inst{15-12} = Rd;
2306 // Saturating add/subtract -- for disassembly only
2308 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2309 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2310 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2311 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2312 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2313 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2315 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2316 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2317 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2318 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2319 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2320 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2321 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2322 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2323 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2324 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2325 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2326 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2328 // Signed/Unsigned add/subtract -- for disassembly only
2330 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2331 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2332 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2333 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2334 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2335 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2336 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2337 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2338 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2339 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2340 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2341 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2343 // Signed/Unsigned halving add/subtract -- for disassembly only
2345 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2346 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2347 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2348 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2349 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2350 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2351 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2352 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2353 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2354 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2355 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2356 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2358 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2360 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2361 MulFrm /* for convenience */, NoItinerary, "usad8",
2362 "\t$Rd, $Rn, $Rm", []>,
2363 Requires<[IsARM, HasV6]> {
2367 let Inst{27-20} = 0b01111000;
2368 let Inst{15-12} = 0b1111;
2369 let Inst{7-4} = 0b0001;
2370 let Inst{19-16} = Rd;
2371 let Inst{11-8} = Rm;
2374 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2375 MulFrm /* for convenience */, NoItinerary, "usada8",
2376 "\t$Rd, $Rn, $Rm, $Ra", []>,
2377 Requires<[IsARM, HasV6]> {
2382 let Inst{27-20} = 0b01111000;
2383 let Inst{7-4} = 0b0001;
2384 let Inst{19-16} = Rd;
2385 let Inst{15-12} = Ra;
2386 let Inst{11-8} = Rm;
2390 // Signed/Unsigned saturate -- for disassembly only
2392 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2393 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2394 [/* For disassembly only; pattern left blank */]> {
2399 let Inst{27-21} = 0b0110101;
2400 let Inst{5-4} = 0b01;
2401 let Inst{20-16} = sat_imm;
2402 let Inst{15-12} = Rd;
2403 let Inst{11-7} = sh{7-3};
2404 let Inst{6} = sh{0};
2408 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2409 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2410 [/* For disassembly only; pattern left blank */]> {
2414 let Inst{27-20} = 0b01101010;
2415 let Inst{11-4} = 0b11110011;
2416 let Inst{15-12} = Rd;
2417 let Inst{19-16} = sat_imm;
2421 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2422 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2423 [/* For disassembly only; pattern left blank */]> {
2428 let Inst{27-21} = 0b0110111;
2429 let Inst{5-4} = 0b01;
2430 let Inst{15-12} = Rd;
2431 let Inst{11-7} = sh{7-3};
2432 let Inst{6} = sh{0};
2433 let Inst{20-16} = sat_imm;
2437 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2438 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2439 [/* For disassembly only; pattern left blank */]> {
2443 let Inst{27-20} = 0b01101110;
2444 let Inst{11-4} = 0b11110011;
2445 let Inst{15-12} = Rd;
2446 let Inst{19-16} = sat_imm;
2450 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2451 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2453 //===----------------------------------------------------------------------===//
2454 // Bitwise Instructions.
2457 defm AND : AsI1_bin_irs<0b0000, "and",
2458 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2459 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2460 defm ORR : AsI1_bin_irs<0b1100, "orr",
2461 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2462 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2463 defm EOR : AsI1_bin_irs<0b0001, "eor",
2464 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2465 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2466 defm BIC : AsI1_bin_irs<0b1110, "bic",
2467 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2468 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2470 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2471 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2472 "bfc", "\t$Rd, $imm", "$src = $Rd",
2473 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2474 Requires<[IsARM, HasV6T2]> {
2477 let Inst{27-21} = 0b0111110;
2478 let Inst{6-0} = 0b0011111;
2479 let Inst{15-12} = Rd;
2480 let Inst{11-7} = imm{4-0}; // lsb
2481 let Inst{20-16} = imm{9-5}; // width
2484 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2485 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2486 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2487 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2488 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2489 bf_inv_mask_imm:$imm))]>,
2490 Requires<[IsARM, HasV6T2]> {
2494 let Inst{27-21} = 0b0111110;
2495 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2496 let Inst{15-12} = Rd;
2497 let Inst{11-7} = imm{4-0}; // lsb
2498 let Inst{20-16} = imm{9-5}; // width
2502 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2503 "mvn", "\t$Rd, $Rm",
2504 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2508 let Inst{19-16} = 0b0000;
2509 let Inst{11-4} = 0b00000000;
2510 let Inst{15-12} = Rd;
2513 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2514 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2515 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2519 let Inst{19-16} = 0b0000;
2520 let Inst{15-12} = Rd;
2521 let Inst{11-0} = shift;
2523 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2524 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2525 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2526 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2530 let Inst{19-16} = 0b0000;
2531 let Inst{15-12} = Rd;
2532 let Inst{11-0} = imm;
2535 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2536 (BICri GPR:$src, so_imm_not:$imm)>;
2538 //===----------------------------------------------------------------------===//
2539 // Multiply Instructions.
2541 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2542 string opc, string asm, list<dag> pattern>
2543 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2547 let Inst{19-16} = Rd;
2548 let Inst{11-8} = Rm;
2551 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2552 string opc, string asm, list<dag> pattern>
2553 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2558 let Inst{19-16} = RdHi;
2559 let Inst{15-12} = RdLo;
2560 let Inst{11-8} = Rm;
2564 let isCommutable = 1 in
2565 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2566 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2567 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2569 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2570 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2571 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2573 let Inst{15-12} = Ra;
2576 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2577 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2578 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2579 Requires<[IsARM, HasV6T2]> {
2583 let Inst{19-16} = Rd;
2584 let Inst{11-8} = Rm;
2588 // Extra precision multiplies with low / high results
2590 let neverHasSideEffects = 1 in {
2591 let isCommutable = 1 in {
2592 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2593 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2594 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2596 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2597 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2598 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2601 // Multiply + accumulate
2602 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2603 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2604 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2606 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2607 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2608 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2610 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2611 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2612 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2613 Requires<[IsARM, HasV6]> {
2618 let Inst{19-16} = RdLo;
2619 let Inst{15-12} = RdHi;
2620 let Inst{11-8} = Rm;
2623 } // neverHasSideEffects
2625 // Most significant word multiply
2626 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2627 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2628 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2629 Requires<[IsARM, HasV6]> {
2630 let Inst{15-12} = 0b1111;
2633 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2634 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2635 [/* For disassembly only; pattern left blank */]>,
2636 Requires<[IsARM, HasV6]> {
2637 let Inst{15-12} = 0b1111;
2640 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2641 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2642 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2643 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2644 Requires<[IsARM, HasV6]>;
2646 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2647 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2648 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2649 [/* For disassembly only; pattern left blank */]>,
2650 Requires<[IsARM, HasV6]>;
2652 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2653 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2654 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2655 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2656 Requires<[IsARM, HasV6]>;
2658 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2659 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2660 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2661 [/* For disassembly only; pattern left blank */]>,
2662 Requires<[IsARM, HasV6]>;
2664 multiclass AI_smul<string opc, PatFrag opnode> {
2665 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2666 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2667 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2668 (sext_inreg GPR:$Rm, i16)))]>,
2669 Requires<[IsARM, HasV5TE]>;
2671 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2672 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2673 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2674 (sra GPR:$Rm, (i32 16))))]>,
2675 Requires<[IsARM, HasV5TE]>;
2677 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2678 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2679 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2680 (sext_inreg GPR:$Rm, i16)))]>,
2681 Requires<[IsARM, HasV5TE]>;
2683 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2684 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2685 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2686 (sra GPR:$Rm, (i32 16))))]>,
2687 Requires<[IsARM, HasV5TE]>;
2689 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2690 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2691 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2692 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2693 Requires<[IsARM, HasV5TE]>;
2695 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2696 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2697 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2698 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2699 Requires<[IsARM, HasV5TE]>;
2703 multiclass AI_smla<string opc, PatFrag opnode> {
2704 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2705 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2706 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2707 [(set GPR:$Rd, (add GPR:$Ra,
2708 (opnode (sext_inreg GPR:$Rn, i16),
2709 (sext_inreg GPR:$Rm, i16))))]>,
2710 Requires<[IsARM, HasV5TE]>;
2712 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2713 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2714 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2715 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2716 (sra GPR:$Rm, (i32 16)))))]>,
2717 Requires<[IsARM, HasV5TE]>;
2719 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2720 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2721 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2722 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2723 (sext_inreg GPR:$Rm, i16))))]>,
2724 Requires<[IsARM, HasV5TE]>;
2726 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2727 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2728 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2729 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2730 (sra GPR:$Rm, (i32 16)))))]>,
2731 Requires<[IsARM, HasV5TE]>;
2733 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2734 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2735 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2736 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2737 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2738 Requires<[IsARM, HasV5TE]>;
2740 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2741 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2742 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2743 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2744 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2745 Requires<[IsARM, HasV5TE]>;
2748 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2749 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2751 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2752 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2753 (ins GPR:$Rn, GPR:$Rm),
2754 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2755 [/* For disassembly only; pattern left blank */]>,
2756 Requires<[IsARM, HasV5TE]>;
2758 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2759 (ins GPR:$Rn, GPR:$Rm),
2760 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2761 [/* For disassembly only; pattern left blank */]>,
2762 Requires<[IsARM, HasV5TE]>;
2764 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2765 (ins GPR:$Rn, GPR:$Rm),
2766 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2767 [/* For disassembly only; pattern left blank */]>,
2768 Requires<[IsARM, HasV5TE]>;
2770 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2771 (ins GPR:$Rn, GPR:$Rm),
2772 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2773 [/* For disassembly only; pattern left blank */]>,
2774 Requires<[IsARM, HasV5TE]>;
2776 // Helper class for AI_smld -- for disassembly only
2777 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2778 InstrItinClass itin, string opc, string asm>
2779 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2786 let Inst{21-20} = 0b00;
2787 let Inst{22} = long;
2788 let Inst{27-23} = 0b01110;
2789 let Inst{11-8} = Rm;
2792 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2793 InstrItinClass itin, string opc, string asm>
2794 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2796 let Inst{15-12} = 0b1111;
2797 let Inst{19-16} = Rd;
2799 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2800 InstrItinClass itin, string opc, string asm>
2801 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2803 let Inst{15-12} = Ra;
2805 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2806 InstrItinClass itin, string opc, string asm>
2807 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2810 let Inst{19-16} = RdHi;
2811 let Inst{15-12} = RdLo;
2814 multiclass AI_smld<bit sub, string opc> {
2816 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2817 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2819 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2820 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2822 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2823 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2824 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2826 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2827 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2828 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2832 defm SMLA : AI_smld<0, "smla">;
2833 defm SMLS : AI_smld<1, "smls">;
2835 multiclass AI_sdml<bit sub, string opc> {
2837 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2838 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2839 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2840 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2843 defm SMUA : AI_sdml<0, "smua">;
2844 defm SMUS : AI_sdml<1, "smus">;
2846 //===----------------------------------------------------------------------===//
2847 // Misc. Arithmetic Instructions.
2850 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2851 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2852 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2854 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2855 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2856 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2857 Requires<[IsARM, HasV6T2]>;
2859 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2860 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2861 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2863 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2864 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2866 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2867 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2868 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2869 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2870 Requires<[IsARM, HasV6]>;
2872 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2873 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2876 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2877 (shl GPR:$Rm, (i32 8))), i16))]>,
2878 Requires<[IsARM, HasV6]>;
2880 def lsl_shift_imm : SDNodeXForm<imm, [{
2881 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2882 return CurDAG->getTargetConstant(Sh, MVT::i32);
2885 def lsl_amt : PatLeaf<(i32 imm), [{
2886 return (N->getZExtValue() < 32);
2889 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2890 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2891 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2892 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2893 (and (shl GPR:$Rm, lsl_amt:$sh),
2895 Requires<[IsARM, HasV6]>;
2897 // Alternate cases for PKHBT where identities eliminate some nodes.
2898 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2899 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2900 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2901 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2903 def asr_shift_imm : SDNodeXForm<imm, [{
2904 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2905 return CurDAG->getTargetConstant(Sh, MVT::i32);
2908 def asr_amt : PatLeaf<(i32 imm), [{
2909 return (N->getZExtValue() <= 32);
2912 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2913 // will match the pattern below.
2914 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2915 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2916 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2917 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2918 (and (sra GPR:$Rm, asr_amt:$sh),
2920 Requires<[IsARM, HasV6]>;
2922 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2923 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2924 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2925 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2926 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2927 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2928 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2930 //===----------------------------------------------------------------------===//
2931 // Comparison Instructions...
2934 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2935 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2936 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2938 // FIXME: We have to be careful when using the CMN instruction and comparison
2939 // with 0. One would expect these two pieces of code should give identical
2955 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2956 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2957 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2958 // value of r0 and the carry bit (because the "carry bit" parameter to
2959 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2960 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2961 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2962 // parameter to AddWithCarry is defined as 0).
2964 // When x is 0 and unsigned:
2968 // ~x + 1 = 0x1 0000 0000
2969 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2971 // Therefore, we should disable CMN when comparing against zero, until we can
2972 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2973 // when it's a comparison which doesn't look at the 'carry' flag).
2975 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2977 // This is related to <rdar://problem/7569620>.
2979 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2980 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2982 // Note that TST/TEQ don't set all the same flags that CMP does!
2983 defm TST : AI1_cmp_irs<0b1000, "tst",
2984 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2985 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2986 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2987 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2988 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2990 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2991 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2992 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2993 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2994 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2995 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2997 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2998 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3000 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3001 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3003 // Pseudo i64 compares for some floating point compares.
3004 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3006 def BCCi64 : PseudoInst<(outs),
3007 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3009 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3011 def BCCZi64 : PseudoInst<(outs),
3012 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
3013 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3014 } // usesCustomInserter
3017 // Conditional moves
3018 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3019 // a two-value operand where a dag node expects two operands. :(
3020 // FIXME: These should all be pseudo-instructions that get expanded to
3021 // the normal MOV instructions. That would fix the dependency on
3022 // special casing them in tblgen.
3023 let neverHasSideEffects = 1 in {
3024 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3025 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3026 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3027 RegConstraint<"$false = $Rd">, UnaryDP {
3032 let Inst{15-12} = Rd;
3033 let Inst{11-4} = 0b00000000;
3037 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3038 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3039 "mov", "\t$Rd, $shift",
3040 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3041 RegConstraint<"$false = $Rd">, UnaryDP {
3046 let Inst{19-16} = 0;
3047 let Inst{15-12} = Rd;
3048 let Inst{11-0} = shift;
3051 let isMoveImm = 1 in
3052 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
3054 "movw", "\t$Rd, $imm",
3056 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3062 let Inst{19-16} = imm{15-12};
3063 let Inst{15-12} = Rd;
3064 let Inst{11-0} = imm{11-0};
3067 let isMoveImm = 1 in
3068 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3069 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3070 "mov", "\t$Rd, $imm",
3071 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3072 RegConstraint<"$false = $Rd">, UnaryDP {
3077 let Inst{19-16} = 0b0000;
3078 let Inst{15-12} = Rd;
3079 let Inst{11-0} = imm;
3082 // Two instruction predicate mov immediate.
3083 let isMoveImm = 1 in
3084 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3085 (ins GPR:$false, i32imm:$src, pred:$p),
3086 IIC_iCMOVix2, "", []>, RegConstraint<"$false = $Rd">;
3088 let isMoveImm = 1 in
3089 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3090 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3091 "mvn", "\t$Rd, $imm",
3092 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3093 RegConstraint<"$false = $Rd">, UnaryDP {
3098 let Inst{19-16} = 0b0000;
3099 let Inst{15-12} = Rd;
3100 let Inst{11-0} = imm;
3102 } // neverHasSideEffects
3104 //===----------------------------------------------------------------------===//
3105 // Atomic operations intrinsics
3108 def memb_opt : Operand<i32> {
3109 let PrintMethod = "printMemBOption";
3112 // memory barriers protect the atomic sequences
3113 let hasSideEffects = 1 in {
3114 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3115 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3116 Requires<[IsARM, HasDB]> {
3118 let Inst{31-4} = 0xf57ff05;
3119 let Inst{3-0} = opt;
3122 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3123 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3124 [(ARMMemBarrierMCR GPR:$zero)]>,
3125 Requires<[IsARM, HasV6]> {
3126 // FIXME: add encoding
3130 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3132 [/* For disassembly only; pattern left blank */]>,
3133 Requires<[IsARM, HasDB]> {
3135 let Inst{31-4} = 0xf57ff04;
3136 let Inst{3-0} = opt;
3139 // ISB has only full system option -- for disassembly only
3140 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3141 Requires<[IsARM, HasDB]> {
3142 let Inst{31-4} = 0xf57ff06;
3143 let Inst{3-0} = 0b1111;
3146 let usesCustomInserter = 1 in {
3147 let Uses = [CPSR] in {
3148 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3149 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3150 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3151 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3152 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3153 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3154 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3155 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3156 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3157 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3158 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3159 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3160 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3161 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3162 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3163 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3164 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3165 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3166 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3167 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3168 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3169 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3170 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3171 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3172 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3173 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3174 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3175 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3176 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3177 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3178 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3179 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3180 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3181 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3182 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3183 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3184 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3185 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3186 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3187 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3188 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3189 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3190 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3191 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3192 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3193 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3194 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3195 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3196 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3197 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3198 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3199 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3200 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3201 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3203 def ATOMIC_SWAP_I8 : PseudoInst<
3204 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3205 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3206 def ATOMIC_SWAP_I16 : PseudoInst<
3207 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3208 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3209 def ATOMIC_SWAP_I32 : PseudoInst<
3210 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3211 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3213 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3214 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3215 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3216 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3217 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3218 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3219 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3220 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3221 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3225 let mayLoad = 1 in {
3226 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3227 "ldrexb", "\t$Rt, [$Rn]",
3229 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3230 "ldrexh", "\t$Rt, [$Rn]",
3232 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3233 "ldrex", "\t$Rt, [$Rn]",
3235 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3237 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3241 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3242 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3244 "strexb", "\t$Rd, $src, [$Rn]",
3246 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3248 "strexh", "\t$Rd, $Rt, [$Rn]",
3250 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3252 "strex", "\t$Rd, $Rt, [$Rn]",
3254 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3255 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3257 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3261 // Clear-Exclusive is for disassembly only.
3262 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3263 [/* For disassembly only; pattern left blank */]>,
3264 Requires<[IsARM, HasV7]> {
3265 let Inst{31-0} = 0b11110101011111111111000000011111;
3268 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3269 let mayLoad = 1 in {
3270 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3271 [/* For disassembly only; pattern left blank */]>;
3272 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3273 [/* For disassembly only; pattern left blank */]>;
3276 //===----------------------------------------------------------------------===//
3280 // __aeabi_read_tp preserves the registers r1-r3.
3281 // FIXME: This needs to be a pseudo of some sort so that we can get the
3282 // encoding right, complete with fixup for the aeabi_read_tp function.
3284 Defs = [R0, R12, LR, CPSR] in {
3285 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3286 "bl\t__aeabi_read_tp",
3287 [(set R0, ARMthread_pointer)]>;
3290 //===----------------------------------------------------------------------===//
3291 // SJLJ Exception handling intrinsics
3292 // eh_sjlj_setjmp() is an instruction sequence to store the return
3293 // address and save #0 in R0 for the non-longjmp case.
3294 // Since by its nature we may be coming from some other function to get
3295 // here, and we're using the stack frame for the containing function to
3296 // save/restore registers, we can't keep anything live in regs across
3297 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3298 // when we get here from a longjmp(). We force everthing out of registers
3299 // except for our own input by listing the relevant registers in Defs. By
3300 // doing so, we also cause the prologue/epilogue code to actively preserve
3301 // all of the callee-saved resgisters, which is exactly what we want.
3302 // A constant value is passed in $val, and we use the location as a scratch.
3304 // These are pseudo-instructions and are lowered to individual MC-insts, so
3305 // no encoding information is necessary.
3307 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3308 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3309 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3310 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3311 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3312 AddrModeNone, SizeSpecial, IndexModeNone,
3313 Pseudo, NoItinerary, "", "",
3314 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3315 Requires<[IsARM, HasVFP2]>;
3319 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3320 hasSideEffects = 1, isBarrier = 1 in {
3321 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3322 AddrModeNone, SizeSpecial, IndexModeNone,
3323 Pseudo, NoItinerary, "", "",
3324 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3325 Requires<[IsARM, NoVFP]>;
3328 // FIXME: Non-Darwin version(s)
3329 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3330 Defs = [ R7, LR, SP ] in {
3331 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3332 AddrModeNone, SizeSpecial, IndexModeNone,
3333 Pseudo, NoItinerary, "", "",
3334 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3335 Requires<[IsARM, IsDarwin]>;
3338 // eh.sjlj.dispatchsetup pseudo-instruction.
3339 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3340 // handled when the pseudo is expanded (which happens before any passes
3341 // that need the instruction size).
3342 let isBarrier = 1, hasSideEffects = 1 in
3343 def Int_eh_sjlj_dispatchsetup :
3344 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3345 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3346 Requires<[IsDarwin]>;
3348 //===----------------------------------------------------------------------===//
3349 // Non-Instruction Patterns
3352 // Large immediate handling.
3354 // 32-bit immediate using two piece so_imms or movw + movt.
3355 // This is a single pseudo instruction, the benefit is that it can be remat'd
3356 // as a single unit instead of having to handle reg inputs.
3357 // FIXME: Remove this when we can do generalized remat.
3358 let isReMaterializable = 1, isMoveImm = 1 in
3359 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3360 [(set GPR:$dst, (arm_i32imm:$src))]>,
3363 // ConstantPool, GlobalAddress, and JumpTable
3364 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3365 Requires<[IsARM, DontUseMovt]>;
3366 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3367 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3368 Requires<[IsARM, UseMovt]>;
3369 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3370 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3372 // TODO: add,sub,and, 3-instr forms?
3375 def : ARMPat<(ARMtcret tcGPR:$dst),
3376 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3378 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3379 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3381 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3382 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3384 def : ARMPat<(ARMtcret tcGPR:$dst),
3385 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3387 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3388 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3390 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3391 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3394 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3395 Requires<[IsARM, IsNotDarwin]>;
3396 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3397 Requires<[IsARM, IsDarwin]>;
3399 // zextload i1 -> zextload i8
3400 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3401 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3403 // extload -> zextload
3404 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3405 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3406 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3407 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3409 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3411 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3412 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3415 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3416 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3417 (SMULBB GPR:$a, GPR:$b)>;
3418 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3419 (SMULBB GPR:$a, GPR:$b)>;
3420 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3421 (sra GPR:$b, (i32 16))),
3422 (SMULBT GPR:$a, GPR:$b)>;
3423 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3424 (SMULBT GPR:$a, GPR:$b)>;
3425 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3426 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3427 (SMULTB GPR:$a, GPR:$b)>;
3428 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3429 (SMULTB GPR:$a, GPR:$b)>;
3430 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3432 (SMULWB GPR:$a, GPR:$b)>;
3433 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3434 (SMULWB GPR:$a, GPR:$b)>;
3436 def : ARMV5TEPat<(add GPR:$acc,
3437 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3438 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3439 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3440 def : ARMV5TEPat<(add GPR:$acc,
3441 (mul sext_16_node:$a, sext_16_node:$b)),
3442 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3443 def : ARMV5TEPat<(add GPR:$acc,
3444 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3445 (sra GPR:$b, (i32 16)))),
3446 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3447 def : ARMV5TEPat<(add GPR:$acc,
3448 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3449 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3450 def : ARMV5TEPat<(add GPR:$acc,
3451 (mul (sra GPR:$a, (i32 16)),
3452 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3453 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3454 def : ARMV5TEPat<(add GPR:$acc,
3455 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3456 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3457 def : ARMV5TEPat<(add GPR:$acc,
3458 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3460 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3461 def : ARMV5TEPat<(add GPR:$acc,
3462 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3463 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3465 //===----------------------------------------------------------------------===//
3469 include "ARMInstrThumb.td"
3471 //===----------------------------------------------------------------------===//
3475 include "ARMInstrThumb2.td"
3477 //===----------------------------------------------------------------------===//
3478 // Floating Point Support
3481 include "ARMInstrVFP.td"
3483 //===----------------------------------------------------------------------===//
3484 // Advanced SIMD (NEON) Support
3487 include "ARMInstrNEON.td"
3489 //===----------------------------------------------------------------------===//
3490 // Coprocessor Instructions. For disassembly only.
3493 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3494 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3495 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3496 [/* For disassembly only; pattern left blank */]> {
3500 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3501 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3502 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3503 [/* For disassembly only; pattern left blank */]> {
3504 let Inst{31-28} = 0b1111;
3508 class ACI<dag oops, dag iops, string opc, string asm>
3509 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3510 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3511 let Inst{27-25} = 0b110;
3514 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3516 def _OFFSET : ACI<(outs),
3517 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3518 opc, "\tp$cop, cr$CRd, $addr"> {
3519 let Inst{31-28} = op31_28;
3520 let Inst{24} = 1; // P = 1
3521 let Inst{21} = 0; // W = 0
3522 let Inst{22} = 0; // D = 0
3523 let Inst{20} = load;
3526 def _PRE : ACI<(outs),
3527 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3528 opc, "\tp$cop, cr$CRd, $addr!"> {
3529 let Inst{31-28} = op31_28;
3530 let Inst{24} = 1; // P = 1
3531 let Inst{21} = 1; // W = 1
3532 let Inst{22} = 0; // D = 0
3533 let Inst{20} = load;
3536 def _POST : ACI<(outs),
3537 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3538 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3539 let Inst{31-28} = op31_28;
3540 let Inst{24} = 0; // P = 0
3541 let Inst{21} = 1; // W = 1
3542 let Inst{22} = 0; // D = 0
3543 let Inst{20} = load;
3546 def _OPTION : ACI<(outs),
3547 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3548 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3549 let Inst{31-28} = op31_28;
3550 let Inst{24} = 0; // P = 0
3551 let Inst{23} = 1; // U = 1
3552 let Inst{21} = 0; // W = 0
3553 let Inst{22} = 0; // D = 0
3554 let Inst{20} = load;
3557 def L_OFFSET : ACI<(outs),
3558 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3559 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3560 let Inst{31-28} = op31_28;
3561 let Inst{24} = 1; // P = 1
3562 let Inst{21} = 0; // W = 0
3563 let Inst{22} = 1; // D = 1
3564 let Inst{20} = load;
3567 def L_PRE : ACI<(outs),
3568 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3569 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3570 let Inst{31-28} = op31_28;
3571 let Inst{24} = 1; // P = 1
3572 let Inst{21} = 1; // W = 1
3573 let Inst{22} = 1; // D = 1
3574 let Inst{20} = load;
3577 def L_POST : ACI<(outs),
3578 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3579 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3580 let Inst{31-28} = op31_28;
3581 let Inst{24} = 0; // P = 0
3582 let Inst{21} = 1; // W = 1
3583 let Inst{22} = 1; // D = 1
3584 let Inst{20} = load;
3587 def L_OPTION : ACI<(outs),
3588 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3589 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3590 let Inst{31-28} = op31_28;
3591 let Inst{24} = 0; // P = 0
3592 let Inst{23} = 1; // U = 1
3593 let Inst{21} = 0; // W = 0
3594 let Inst{22} = 1; // D = 1
3595 let Inst{20} = load;
3599 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3600 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3601 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3602 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3604 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3605 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3606 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3607 [/* For disassembly only; pattern left blank */]> {
3612 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3613 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3614 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3615 [/* For disassembly only; pattern left blank */]> {
3616 let Inst{31-28} = 0b1111;
3621 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3622 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3623 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3624 [/* For disassembly only; pattern left blank */]> {
3629 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3630 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3631 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3632 [/* For disassembly only; pattern left blank */]> {
3633 let Inst{31-28} = 0b1111;
3638 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3639 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3640 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3641 [/* For disassembly only; pattern left blank */]> {
3642 let Inst{23-20} = 0b0100;
3645 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3646 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3647 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3648 [/* For disassembly only; pattern left blank */]> {
3649 let Inst{31-28} = 0b1111;
3650 let Inst{23-20} = 0b0100;
3653 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3654 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3655 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3656 [/* For disassembly only; pattern left blank */]> {
3657 let Inst{23-20} = 0b0101;
3660 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3661 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3662 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3663 [/* For disassembly only; pattern left blank */]> {
3664 let Inst{31-28} = 0b1111;
3665 let Inst{23-20} = 0b0101;
3668 //===----------------------------------------------------------------------===//
3669 // Move between special register and ARM core register -- for disassembly only
3672 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3673 [/* For disassembly only; pattern left blank */]> {
3674 let Inst{23-20} = 0b0000;
3675 let Inst{7-4} = 0b0000;
3678 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3679 [/* For disassembly only; pattern left blank */]> {
3680 let Inst{23-20} = 0b0100;
3681 let Inst{7-4} = 0b0000;
3684 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3685 "msr", "\tcpsr$mask, $src",
3686 [/* For disassembly only; pattern left blank */]> {
3687 let Inst{23-20} = 0b0010;
3688 let Inst{7-4} = 0b0000;
3691 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3692 "msr", "\tcpsr$mask, $a",
3693 [/* For disassembly only; pattern left blank */]> {
3694 let Inst{23-20} = 0b0010;
3695 let Inst{7-4} = 0b0000;
3698 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3699 "msr", "\tspsr$mask, $src",
3700 [/* For disassembly only; pattern left blank */]> {
3701 let Inst{23-20} = 0b0110;
3702 let Inst{7-4} = 0b0000;
3705 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3706 "msr", "\tspsr$mask, $a",
3707 [/* For disassembly only; pattern left blank */]> {
3708 let Inst{23-20} = 0b0110;
3709 let Inst{7-4} = 0b0000;