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 // For movt/movw - sets the MC Encoder method.
446 // The imm is split into imm{15-12}, imm{11-0}
448 def movt_imm : Operand<i32> {
449 let EncoderMethod = "getMovtImmOpValue";
452 // Define ARM specific addressing modes.
455 // addrmode_imm12 := reg +/- imm12
457 def addrmode_imm12 : Operand<i32>,
458 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
459 // 12-bit immediate operand. Note that instructions using this encode
460 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
461 // immediate values are as normal.
463 let EncoderMethod = "getAddrModeImm12OpValue";
464 let PrintMethod = "printAddrModeImm12Operand";
465 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
467 // ldst_so_reg := reg +/- reg shop imm
469 def ldst_so_reg : Operand<i32>,
470 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
471 let EncoderMethod = "getLdStSORegOpValue";
472 // FIXME: Simplify the printer
473 let PrintMethod = "printAddrMode2Operand";
474 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
477 // addrmode2 := reg +/- imm12
478 // := reg +/- reg shop imm
480 def addrmode2 : Operand<i32>,
481 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
482 string EncoderMethod = "getAddrMode2OpValue";
483 let PrintMethod = "printAddrMode2Operand";
484 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
487 def am2offset : Operand<i32>,
488 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
489 [], [SDNPWantRoot]> {
490 string EncoderMethod = "getAddrMode2OffsetOpValue";
491 let PrintMethod = "printAddrMode2OffsetOperand";
492 let MIOperandInfo = (ops GPR, i32imm);
495 // addrmode3 := reg +/- reg
496 // addrmode3 := reg +/- imm8
498 def addrmode3 : Operand<i32>,
499 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
500 let EncoderMethod = "getAddrMode3OpValue";
501 let PrintMethod = "printAddrMode3Operand";
502 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
505 def am3offset : Operand<i32>,
506 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
507 [], [SDNPWantRoot]> {
508 let EncoderMethod = "getAddrMode3OffsetOpValue";
509 let PrintMethod = "printAddrMode3OffsetOperand";
510 let MIOperandInfo = (ops GPR, i32imm);
513 // ldstm_mode := {ia, ib, da, db}
515 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
516 let EncoderMethod = "getLdStmModeOpValue";
517 let PrintMethod = "printLdStmModeOperand";
520 def MemMode5AsmOperand : AsmOperandClass {
521 let Name = "MemMode5";
522 let SuperClasses = [];
525 // addrmode5 := reg +/- imm8*4
527 def addrmode5 : Operand<i32>,
528 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
529 let PrintMethod = "printAddrMode5Operand";
530 let MIOperandInfo = (ops GPR:$base, i32imm);
531 let ParserMatchClass = MemMode5AsmOperand;
532 let EncoderMethod = "getAddrMode5OpValue";
535 // addrmode6 := reg with optional writeback
537 def addrmode6 : Operand<i32>,
538 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
539 let PrintMethod = "printAddrMode6Operand";
540 let MIOperandInfo = (ops GPR:$addr, i32imm);
541 let EncoderMethod = "getAddrMode6AddressOpValue";
544 def am6offset : Operand<i32> {
545 let PrintMethod = "printAddrMode6OffsetOperand";
546 let MIOperandInfo = (ops GPR);
547 let EncoderMethod = "getAddrMode6OffsetOpValue";
550 // addrmodepc := pc + reg
552 def addrmodepc : Operand<i32>,
553 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
554 let PrintMethod = "printAddrModePCOperand";
555 let MIOperandInfo = (ops GPR, i32imm);
558 def nohash_imm : Operand<i32> {
559 let PrintMethod = "printNoHashImmediate";
562 //===----------------------------------------------------------------------===//
564 include "ARMInstrFormats.td"
566 //===----------------------------------------------------------------------===//
567 // Multiclass helpers...
570 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
571 /// binop that produces a value.
572 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
573 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
574 PatFrag opnode, bit Commutable = 0> {
575 // The register-immediate version is re-materializable. This is useful
576 // in particular for taking the address of a local.
577 let isReMaterializable = 1 in {
578 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
579 iii, opc, "\t$Rd, $Rn, $imm",
580 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
585 let Inst{19-16} = Rn;
586 let Inst{15-12} = Rd;
587 let Inst{11-0} = imm;
590 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
591 iir, opc, "\t$Rd, $Rn, $Rm",
592 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
597 let isCommutable = Commutable;
598 let Inst{19-16} = Rn;
599 let Inst{15-12} = Rd;
600 let Inst{11-4} = 0b00000000;
603 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
604 iis, opc, "\t$Rd, $Rn, $shift",
605 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
610 let Inst{19-16} = Rn;
611 let Inst{15-12} = Rd;
612 let Inst{11-0} = shift;
616 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
617 /// instruction modifies the CPSR register.
618 let Defs = [CPSR] in {
619 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
620 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
621 PatFrag opnode, bit Commutable = 0> {
622 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
623 iii, opc, "\t$Rd, $Rn, $imm",
624 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
630 let Inst{19-16} = Rn;
631 let Inst{15-12} = Rd;
632 let Inst{11-0} = imm;
634 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
635 iir, opc, "\t$Rd, $Rn, $Rm",
636 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
640 let isCommutable = Commutable;
643 let Inst{19-16} = Rn;
644 let Inst{15-12} = Rd;
645 let Inst{11-4} = 0b00000000;
648 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
649 iis, opc, "\t$Rd, $Rn, $shift",
650 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
656 let Inst{19-16} = Rn;
657 let Inst{15-12} = Rd;
658 let Inst{11-0} = shift;
663 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
664 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
665 /// a explicit result, only implicitly set CPSR.
666 let isCompare = 1, Defs = [CPSR] in {
667 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
668 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
669 PatFrag opnode, bit Commutable = 0> {
670 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
672 [(opnode GPR:$Rn, so_imm:$imm)]> {
677 let Inst{19-16} = Rn;
678 let Inst{15-12} = 0b0000;
679 let Inst{11-0} = imm;
681 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
683 [(opnode GPR:$Rn, GPR:$Rm)]> {
686 let isCommutable = Commutable;
689 let Inst{19-16} = Rn;
690 let Inst{15-12} = 0b0000;
691 let Inst{11-4} = 0b00000000;
694 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
695 opc, "\t$Rn, $shift",
696 [(opnode GPR:$Rn, so_reg:$shift)]> {
701 let Inst{19-16} = Rn;
702 let Inst{15-12} = 0b0000;
703 let Inst{11-0} = shift;
708 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
709 /// register and one whose operand is a register rotated by 8/16/24.
710 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
711 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
712 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
713 IIC_iEXTr, opc, "\t$Rd, $Rm",
714 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
715 Requires<[IsARM, HasV6]> {
718 let Inst{19-16} = 0b1111;
719 let Inst{15-12} = Rd;
720 let Inst{11-10} = 0b00;
723 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
724 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
725 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
726 Requires<[IsARM, HasV6]> {
730 let Inst{19-16} = 0b1111;
731 let Inst{15-12} = Rd;
732 let Inst{11-10} = rot;
737 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
738 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
739 IIC_iEXTr, opc, "\t$Rd, $Rm",
740 [/* For disassembly only; pattern left blank */]>,
741 Requires<[IsARM, HasV6]> {
742 let Inst{19-16} = 0b1111;
743 let Inst{11-10} = 0b00;
745 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
746 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
747 [/* For disassembly only; pattern left blank */]>,
748 Requires<[IsARM, HasV6]> {
750 let Inst{19-16} = 0b1111;
751 let Inst{11-10} = rot;
755 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
756 /// register and one whose operand is a register rotated by 8/16/24.
757 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
758 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
759 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
760 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
761 Requires<[IsARM, HasV6]> {
765 let Inst{19-16} = Rn;
766 let Inst{15-12} = Rd;
767 let Inst{11-10} = 0b00;
768 let Inst{9-4} = 0b000111;
771 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
773 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
774 [(set GPR:$Rd, (opnode GPR:$Rn,
775 (rotr GPR:$Rm, rot_imm:$rot)))]>,
776 Requires<[IsARM, HasV6]> {
781 let Inst{19-16} = Rn;
782 let Inst{15-12} = Rd;
783 let Inst{11-10} = rot;
784 let Inst{9-4} = 0b000111;
789 // For disassembly only.
790 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
791 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
792 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
793 [/* For disassembly only; pattern left blank */]>,
794 Requires<[IsARM, HasV6]> {
795 let Inst{11-10} = 0b00;
797 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
799 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
800 [/* For disassembly only; pattern left blank */]>,
801 Requires<[IsARM, HasV6]> {
804 let Inst{19-16} = Rn;
805 let Inst{11-10} = rot;
809 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
810 let Uses = [CPSR] in {
811 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
812 bit Commutable = 0> {
813 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
814 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
815 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
821 let Inst{15-12} = Rd;
822 let Inst{19-16} = Rn;
823 let Inst{11-0} = imm;
825 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
826 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
827 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
832 let Inst{11-4} = 0b00000000;
834 let isCommutable = Commutable;
836 let Inst{15-12} = Rd;
837 let Inst{19-16} = Rn;
839 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
840 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
841 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
847 let Inst{11-0} = shift;
848 let Inst{15-12} = Rd;
849 let Inst{19-16} = Rn;
852 // Carry setting variants
853 let Defs = [CPSR] in {
854 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
855 bit Commutable = 0> {
856 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
857 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
858 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
863 let Inst{15-12} = Rd;
864 let Inst{19-16} = Rn;
865 let Inst{11-0} = imm;
869 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
870 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
871 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
876 let Inst{11-4} = 0b00000000;
877 let isCommutable = Commutable;
879 let Inst{15-12} = Rd;
880 let Inst{19-16} = Rn;
884 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
885 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
886 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
891 let Inst{11-0} = shift;
892 let Inst{15-12} = Rd;
893 let Inst{19-16} = Rn;
901 let canFoldAsLoad = 1, isReMaterializable = 1 in {
902 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
903 InstrItinClass iir, PatFrag opnode> {
904 // Note: We use the complex addrmode_imm12 rather than just an input
905 // GPR and a constrained immediate so that we can use this to match
906 // frame index references and avoid matching constant pool references.
907 def i12: AIldst1<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
908 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
909 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
912 let Inst{23} = addr{12}; // U (add = ('U' == 1))
913 let Inst{19-16} = addr{16-13}; // Rn
914 let Inst{15-12} = Rt;
915 let Inst{11-0} = addr{11-0}; // imm12
917 def rs : AIldst1<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
918 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
919 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
922 let Inst{23} = shift{12}; // U (add = ('U' == 1))
923 let Inst{19-16} = shift{16-13}; // Rn
924 let Inst{15-12} = Rt;
925 let Inst{11-0} = shift{11-0};
930 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
931 InstrItinClass iir, PatFrag opnode> {
932 // Note: We use the complex addrmode_imm12 rather than just an input
933 // GPR and a constrained immediate so that we can use this to match
934 // frame index references and avoid matching constant pool references.
935 def i12 : AIldst1<0b010, 0, isByte, (outs),
936 (ins GPR:$Rt, addrmode_imm12:$addr),
937 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
938 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
941 let Inst{23} = addr{12}; // U (add = ('U' == 1))
942 let Inst{19-16} = addr{16-13}; // Rn
943 let Inst{15-12} = Rt;
944 let Inst{11-0} = addr{11-0}; // imm12
946 def rs : AIldst1<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
947 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
948 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
951 let Inst{23} = shift{12}; // U (add = ('U' == 1))
952 let Inst{19-16} = shift{16-13}; // Rn
953 let Inst{15-12} = Rt;
954 let Inst{11-0} = shift{11-0};
957 //===----------------------------------------------------------------------===//
959 //===----------------------------------------------------------------------===//
961 //===----------------------------------------------------------------------===//
962 // Miscellaneous Instructions.
965 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
966 /// the function. The first operand is the ID# for this instruction, the second
967 /// is the index into the MachineConstantPool that this is, the third is the
968 /// size in bytes of this constant pool entry.
969 let neverHasSideEffects = 1, isNotDuplicable = 1 in
970 def CONSTPOOL_ENTRY :
971 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
972 i32imm:$size), NoItinerary, []>;
974 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
975 // from removing one half of the matched pairs. That breaks PEI, which assumes
976 // these will always be in pairs, and asserts if it finds otherwise. Better way?
977 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
979 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
980 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
982 def ADJCALLSTACKDOWN :
983 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
984 [(ARMcallseq_start timm:$amt)]>;
987 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
988 [/* For disassembly only; pattern left blank */]>,
989 Requires<[IsARM, HasV6T2]> {
990 let Inst{27-16} = 0b001100100000;
991 let Inst{15-8} = 0b11110000;
992 let Inst{7-0} = 0b00000000;
995 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
996 [/* For disassembly only; pattern left blank */]>,
997 Requires<[IsARM, HasV6T2]> {
998 let Inst{27-16} = 0b001100100000;
999 let Inst{15-8} = 0b11110000;
1000 let Inst{7-0} = 0b00000001;
1003 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1004 [/* For disassembly only; pattern left blank */]>,
1005 Requires<[IsARM, HasV6T2]> {
1006 let Inst{27-16} = 0b001100100000;
1007 let Inst{15-8} = 0b11110000;
1008 let Inst{7-0} = 0b00000010;
1011 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1012 [/* For disassembly only; pattern left blank */]>,
1013 Requires<[IsARM, HasV6T2]> {
1014 let Inst{27-16} = 0b001100100000;
1015 let Inst{15-8} = 0b11110000;
1016 let Inst{7-0} = 0b00000011;
1019 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1021 [/* For disassembly only; pattern left blank */]>,
1022 Requires<[IsARM, HasV6]> {
1027 let Inst{15-12} = Rd;
1028 let Inst{19-16} = Rn;
1029 let Inst{27-20} = 0b01101000;
1030 let Inst{7-4} = 0b1011;
1031 let Inst{11-8} = 0b1111;
1034 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1035 [/* For disassembly only; pattern left blank */]>,
1036 Requires<[IsARM, HasV6T2]> {
1037 let Inst{27-16} = 0b001100100000;
1038 let Inst{15-8} = 0b11110000;
1039 let Inst{7-0} = 0b00000100;
1042 // The i32imm operand $val can be used by a debugger to store more information
1043 // about the breakpoint.
1044 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1045 [/* For disassembly only; pattern left blank */]>,
1048 let Inst{3-0} = val{3-0};
1049 let Inst{19-8} = val{15-4};
1050 let Inst{27-20} = 0b00010010;
1051 let Inst{7-4} = 0b0111;
1054 // Change Processor State is a system instruction -- for disassembly only.
1055 // The singleton $opt operand contains the following information:
1056 // opt{4-0} = mode from Inst{4-0}
1057 // opt{5} = changemode from Inst{17}
1058 // opt{8-6} = AIF from Inst{8-6}
1059 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1060 // FIXME: Integrated assembler will need these split out.
1061 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1062 [/* For disassembly only; pattern left blank */]>,
1064 let Inst{31-28} = 0b1111;
1065 let Inst{27-20} = 0b00010000;
1070 // Preload signals the memory system of possible future data/instruction access.
1071 // These are for disassembly only.
1072 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1074 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1075 !strconcat(opc, "\t$addr"),
1076 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1079 let Inst{31-26} = 0b111101;
1080 let Inst{25} = 0; // 0 for immediate form
1081 let Inst{24} = data;
1082 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1083 let Inst{22} = read;
1084 let Inst{21-20} = 0b01;
1085 let Inst{19-16} = addr{16-13}; // Rn
1086 let Inst{15-12} = Rt;
1087 let Inst{11-0} = addr{11-0}; // imm12
1090 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1091 !strconcat(opc, "\t$shift"),
1092 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1095 let Inst{31-26} = 0b111101;
1096 let Inst{25} = 1; // 1 for register form
1097 let Inst{24} = data;
1098 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1099 let Inst{22} = read;
1100 let Inst{21-20} = 0b01;
1101 let Inst{19-16} = shift{16-13}; // Rn
1102 let Inst{11-0} = shift{11-0};
1106 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1107 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1108 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1110 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1112 [/* For disassembly only; pattern left blank */]>,
1115 let Inst{31-10} = 0b1111000100000001000000;
1120 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1121 [/* For disassembly only; pattern left blank */]>,
1122 Requires<[IsARM, HasV7]> {
1124 let Inst{27-4} = 0b001100100000111100001111;
1125 let Inst{3-0} = opt;
1128 // A5.4 Permanently UNDEFINED instructions.
1129 let isBarrier = 1, isTerminator = 1 in
1130 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1133 let Inst{27-25} = 0b011;
1134 let Inst{24-20} = 0b11111;
1135 let Inst{7-5} = 0b111;
1139 // Address computation and loads and stores in PIC mode.
1140 let isNotDuplicable = 1 in {
1141 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1143 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1145 let AddedComplexity = 10 in {
1146 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1148 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1150 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1152 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1154 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1156 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1158 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1160 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1162 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1164 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1166 let AddedComplexity = 10 in {
1167 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1168 Pseudo, IIC_iStore_r, "",
1169 [(store GPR:$src, addrmodepc:$addr)]>;
1171 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1172 Pseudo, IIC_iStore_bh_r, "",
1173 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1175 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1176 Pseudo, IIC_iStore_bh_r, "",
1177 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1179 } // isNotDuplicable = 1
1182 // LEApcrel - Load a pc-relative address into a register without offending the
1184 let neverHasSideEffects = 1 in {
1185 let isReMaterializable = 1 in
1186 // FIXME: We want one cannonical LEApcrel instruction and to express one or
1187 // both of these as pseudo-instructions that get expanded to it.
1188 def LEApcrel : AXI1<0, (outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1190 "adr$p\t$Rd, #$label", []>;
1192 } // neverHasSideEffects
1193 def LEApcrelJT : AXI1<0b0100, (outs GPR:$Rd),
1194 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1196 "adr$p\t$Rd, #${label}_${id}", []> {
1199 let Inst{31-28} = p;
1200 let Inst{27-25} = 0b001;
1202 let Inst{19-16} = 0b1111;
1203 let Inst{15-12} = Rd;
1204 // FIXME: Add label encoding/fixup
1207 //===----------------------------------------------------------------------===//
1208 // Control Flow Instructions.
1211 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1213 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1214 "bx", "\tlr", [(ARMretflag)]>,
1215 Requires<[IsARM, HasV4T]> {
1216 let Inst{27-0} = 0b0001001011111111111100011110;
1220 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1221 "mov", "\tpc, lr", [(ARMretflag)]>,
1222 Requires<[IsARM, NoV4T]> {
1223 let Inst{27-0} = 0b0001101000001111000000001110;
1227 // Indirect branches
1228 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1230 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1231 [(brind GPR:$dst)]>,
1232 Requires<[IsARM, HasV4T]> {
1234 let Inst{31-4} = 0b1110000100101111111111110001;
1235 let Inst{3-0} = dst;
1239 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1240 [(brind GPR:$dst)]>,
1241 Requires<[IsARM, NoV4T]> {
1243 let Inst{31-4} = 0b1110000110100000111100000000;
1244 let Inst{3-0} = dst;
1248 // On non-Darwin platforms R9 is callee-saved.
1250 Defs = [R0, R1, R2, R3, R12, LR,
1251 D0, D1, D2, D3, D4, D5, D6, D7,
1252 D16, D17, D18, D19, D20, D21, D22, D23,
1253 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1254 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1255 IIC_Br, "bl\t$func",
1256 [(ARMcall tglobaladdr:$func)]>,
1257 Requires<[IsARM, IsNotDarwin]> {
1258 let Inst{31-28} = 0b1110;
1260 let Inst{23-0} = func;
1263 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1264 IIC_Br, "bl", "\t$func",
1265 [(ARMcall_pred tglobaladdr:$func)]>,
1266 Requires<[IsARM, IsNotDarwin]> {
1268 let Inst{23-0} = func;
1272 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1273 IIC_Br, "blx\t$func",
1274 [(ARMcall GPR:$func)]>,
1275 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1277 let Inst{27-4} = 0b000100101111111111110011;
1278 let Inst{3-0} = func;
1282 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1283 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1284 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1285 [(ARMcall_nolink tGPR:$func)]>,
1286 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1288 let Inst{27-4} = 0b000100101111111111110001;
1289 let Inst{3-0} = func;
1293 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1294 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1295 [(ARMcall_nolink tGPR:$func)]>,
1296 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1298 let Inst{27-4} = 0b000110100000111100000000;
1299 let Inst{3-0} = func;
1303 // On Darwin R9 is call-clobbered.
1305 Defs = [R0, R1, R2, R3, R9, R12, LR,
1306 D0, D1, D2, D3, D4, D5, D6, D7,
1307 D16, D17, D18, D19, D20, D21, D22, D23,
1308 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1309 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1310 IIC_Br, "bl\t$func",
1311 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1312 let Inst{31-28} = 0b1110;
1314 let Inst{23-0} = func;
1317 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1318 IIC_Br, "bl", "\t$func",
1319 [(ARMcall_pred tglobaladdr:$func)]>,
1320 Requires<[IsARM, IsDarwin]> {
1322 let Inst{23-0} = func;
1326 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1327 IIC_Br, "blx\t$func",
1328 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1330 let Inst{27-4} = 0b000100101111111111110011;
1331 let Inst{3-0} = func;
1335 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1336 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1337 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1338 [(ARMcall_nolink tGPR:$func)]>,
1339 Requires<[IsARM, HasV4T, IsDarwin]> {
1341 let Inst{27-4} = 0b000100101111111111110001;
1342 let Inst{3-0} = func;
1346 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1347 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1348 [(ARMcall_nolink tGPR:$func)]>,
1349 Requires<[IsARM, NoV4T, IsDarwin]> {
1351 let Inst{27-4} = 0b000110100000111100000000;
1352 let Inst{3-0} = func;
1358 // FIXME: These should probably be xformed into the non-TC versions of the
1359 // instructions as part of MC lowering.
1360 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1362 let Defs = [R0, R1, R2, R3, R9, R12,
1363 D0, D1, D2, D3, D4, D5, D6, D7,
1364 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1365 D27, D28, D29, D30, D31, PC],
1367 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1369 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1371 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1373 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1375 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1376 IIC_Br, "b\t$dst @ TAILCALL",
1377 []>, Requires<[IsDarwin]>;
1379 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1380 IIC_Br, "b.w\t$dst @ TAILCALL",
1381 []>, Requires<[IsDarwin]>;
1383 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1384 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1385 []>, Requires<[IsDarwin]> {
1387 let Inst{31-4} = 0b1110000100101111111111110001;
1388 let Inst{3-0} = dst;
1392 // Non-Darwin versions (the difference is R9).
1393 let Defs = [R0, R1, R2, R3, R12,
1394 D0, D1, D2, D3, D4, D5, D6, D7,
1395 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1396 D27, D28, D29, D30, D31, PC],
1398 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1400 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1402 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1404 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1406 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1407 IIC_Br, "b\t$dst @ TAILCALL",
1408 []>, Requires<[IsARM, IsNotDarwin]>;
1410 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1411 IIC_Br, "b.w\t$dst @ TAILCALL",
1412 []>, Requires<[IsThumb, IsNotDarwin]>;
1414 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1415 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1416 []>, Requires<[IsNotDarwin]> {
1418 let Inst{31-4} = 0b1110000100101111111111110001;
1419 let Inst{3-0} = dst;
1424 let isBranch = 1, isTerminator = 1 in {
1425 // B is "predicable" since it can be xformed into a Bcc.
1426 let isBarrier = 1 in {
1427 let isPredicable = 1 in
1428 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1429 "b\t$target", [(br bb:$target)]> {
1431 let Inst{31-28} = 0b1110;
1432 let Inst{23-0} = target;
1435 let isNotDuplicable = 1, isIndirectBranch = 1,
1436 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1437 isCodeGenOnly = 1 in {
1438 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1439 IIC_Br, "mov\tpc, $target$jt",
1440 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1441 let Inst{11-4} = 0b00000000;
1442 let Inst{15-12} = 0b1111;
1443 let Inst{20} = 0; // S Bit
1444 let Inst{24-21} = 0b1101;
1445 let Inst{27-25} = 0b000;
1447 def BR_JTm : JTI<(outs),
1448 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1449 IIC_Br, "ldr\tpc, $target$jt",
1450 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1452 let Inst{15-12} = 0b1111;
1453 let Inst{20} = 1; // L bit
1454 let Inst{21} = 0; // W bit
1455 let Inst{22} = 0; // B bit
1456 let Inst{24} = 1; // P bit
1457 let Inst{27-25} = 0b011;
1459 def BR_JTadd : PseudoInst<(outs),
1460 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1462 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1464 } // isNotDuplicable = 1, isIndirectBranch = 1
1467 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1468 // a two-value operand where a dag node expects two operands. :(
1469 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1470 IIC_Br, "b", "\t$target",
1471 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1473 let Inst{23-0} = target;
1477 // Branch and Exchange Jazelle -- for disassembly only
1478 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1479 [/* For disassembly only; pattern left blank */]> {
1480 let Inst{23-20} = 0b0010;
1481 //let Inst{19-8} = 0xfff;
1482 let Inst{7-4} = 0b0010;
1485 // Secure Monitor Call is a system instruction -- for disassembly only
1486 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1487 [/* For disassembly only; pattern left blank */]> {
1489 let Inst{23-4} = 0b01100000000000000111;
1490 let Inst{3-0} = opt;
1493 // Supervisor Call (Software Interrupt) -- for disassembly only
1495 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1496 [/* For disassembly only; pattern left blank */]> {
1498 let Inst{23-0} = svc;
1502 // Store Return State is a system instruction -- for disassembly only
1503 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1504 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1505 NoItinerary, "srs${amode}\tsp!, $mode",
1506 [/* For disassembly only; pattern left blank */]> {
1507 let Inst{31-28} = 0b1111;
1508 let Inst{22-20} = 0b110; // W = 1
1511 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1512 NoItinerary, "srs${amode}\tsp, $mode",
1513 [/* For disassembly only; pattern left blank */]> {
1514 let Inst{31-28} = 0b1111;
1515 let Inst{22-20} = 0b100; // W = 0
1518 // Return From Exception is a system instruction -- for disassembly only
1519 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1520 NoItinerary, "rfe${amode}\t$base!",
1521 [/* For disassembly only; pattern left blank */]> {
1522 let Inst{31-28} = 0b1111;
1523 let Inst{22-20} = 0b011; // W = 1
1526 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1527 NoItinerary, "rfe${amode}\t$base",
1528 [/* For disassembly only; pattern left blank */]> {
1529 let Inst{31-28} = 0b1111;
1530 let Inst{22-20} = 0b001; // W = 0
1532 } // isCodeGenOnly = 1
1534 //===----------------------------------------------------------------------===//
1535 // Load / store Instructions.
1541 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1542 UnOpFrag<(load node:$Src)>>;
1543 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1544 UnOpFrag<(zextloadi8 node:$Src)>>;
1545 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1546 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1547 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1548 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1550 // Special LDR for loads from non-pc-relative constpools.
1551 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1552 isReMaterializable = 1 in
1553 def LDRcp : AIldst1<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1554 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1558 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1559 let Inst{19-16} = 0b1111;
1560 let Inst{15-12} = Rt;
1561 let Inst{11-0} = addr{11-0}; // imm12
1564 // Loads with zero extension
1565 def LDRH : AI3ld<0b1011, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1566 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1567 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1569 // Loads with sign extension
1570 def LDRSH : AI3ld<0b1111, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1571 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1572 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1574 def LDRSB : AI3ld<0b1101, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1575 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1576 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1578 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1579 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1581 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1582 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1583 []>, Requires<[IsARM, HasV5TE]>;
1586 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1587 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1588 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1589 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1591 // {13} 1 == Rm, 0 == imm12
1595 let Inst{25} = addr{13};
1596 let Inst{23} = addr{12};
1597 let Inst{19-16} = addr{17-14};
1598 let Inst{11-0} = addr{11-0};
1600 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1601 (ins GPR:$Rn, am2offset:$offset),
1602 IndexModePost, LdFrm, itin,
1603 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1604 // {13} 1 == Rm, 0 == imm12
1609 let Inst{25} = offset{13};
1610 let Inst{23} = offset{12};
1611 let Inst{19-16} = Rn;
1612 let Inst{11-0} = offset{11-0};
1616 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1617 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1619 def LDRH_PRE : AI3ldhpr<(outs GPR:$Rt, GPR:$Rn_wb),
1620 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1621 "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1623 def LDRH_POST : AI3ldhpo<(outs GPR:$Rt, GPR:$Rn_wb),
1624 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1625 "ldrh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1627 def LDRSH_PRE : AI3ldshpr<(outs GPR:$Rt, GPR:$Rn_wb),
1628 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1629 "ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1631 def LDRSH_POST: AI3ldshpo<(outs GPR:$Rt, GPR:$Rn_wb),
1632 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1633 "ldrsh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1635 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$Rt, GPR:$Rn_wb),
1636 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1637 "ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
1639 def LDRSB_POST: AI3ldsbpo<(outs GPR:$Rt, GPR:$Rn_wb),
1640 (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1641 "ldrsb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
1643 // For disassembly only
1644 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1645 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1646 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1647 Requires<[IsARM, HasV5TE]>;
1649 // For disassembly only
1650 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1651 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1652 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1653 Requires<[IsARM, HasV5TE]>;
1655 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1657 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1659 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1660 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1661 LdFrm, IIC_iLoad_ru,
1662 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1663 let Inst{21} = 1; // overwrite
1666 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1667 (ins GPR:$base,am2offset:$offset), IndexModeNone,
1668 LdFrm, IIC_iLoad_bh_ru,
1669 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1670 let Inst{21} = 1; // overwrite
1673 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1674 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1675 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1676 let Inst{21} = 1; // overwrite
1679 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1680 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1681 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1682 let Inst{21} = 1; // overwrite
1685 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1686 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1687 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1688 let Inst{21} = 1; // overwrite
1693 // Stores with truncate
1694 def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1695 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1696 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1699 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1700 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1701 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1702 StMiscFrm, IIC_iStore_d_r,
1703 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1706 def STR_PRE : AI2ldstidx<0, 0, 1, (outs GPR:$Rn_wb),
1707 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1708 IndexModePre, StFrm, IIC_iStore_ru,
1709 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1711 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1712 // {13} 1 == Rm, 0 == imm12
1717 let Inst{25} = offset{13};
1718 let Inst{23} = offset{12};
1719 let Inst{19-16} = Rn;
1720 let Inst{11-0} = offset{11-0};
1723 def STR_POST : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
1724 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1725 IndexModePost, StFrm, IIC_iStore_ru,
1726 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1728 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1729 // {13} 1 == Rm, 0 == imm12
1734 let Inst{25} = offset{13};
1735 let Inst{23} = offset{12};
1736 let Inst{19-16} = Rn;
1737 let Inst{11-0} = offset{11-0};
1740 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1741 (ins GPR:$src, GPR:$base,am3offset:$offset),
1742 StMiscFrm, IIC_iStore_ru,
1743 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1745 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1747 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1748 (ins GPR:$src, GPR:$base,am3offset:$offset),
1749 StMiscFrm, IIC_iStore_bh_ru,
1750 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1751 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1752 GPR:$base, am3offset:$offset))]>;
1754 def STRB_PRE : AI2ldstidx<0, 1, 1, (outs GPR:$Rn_wb),
1755 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1756 IndexModePre, StFrm, IIC_iStore_bh_ru,
1757 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1758 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1759 GPR:$Rn, am2offset:$offset))]> {
1760 // {13} 1 == Rm, 0 == imm12
1765 let Inst{25} = offset{13};
1766 let Inst{23} = offset{12};
1767 let Inst{19-16} = Rn;
1768 let Inst{11-0} = offset{11-0};
1771 def STRB_POST: AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
1772 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1773 IndexModePost, StFrm, IIC_iStore_bh_ru,
1774 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1775 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1776 GPR:$Rn, am2offset:$offset))]> {
1777 // {13} 1 == Rm, 0 == imm12
1782 let Inst{25} = offset{13};
1783 let Inst{23} = offset{12};
1784 let Inst{19-16} = Rn;
1785 let Inst{11-0} = offset{11-0};
1788 // For disassembly only
1789 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1790 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1791 StMiscFrm, IIC_iStore_d_ru,
1792 "strd", "\t$src1, $src2, [$base, $offset]!",
1793 "$base = $base_wb", []>;
1795 // For disassembly only
1796 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1797 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1798 StMiscFrm, IIC_iStore_d_ru,
1799 "strd", "\t$src1, $src2, [$base], $offset",
1800 "$base = $base_wb", []>;
1802 // STRT, STRBT, and STRHT are for disassembly only.
1804 def STRT : AI2ldstidx<0, 0, 0, (outs GPR:$base_wb),
1805 (ins GPR:$src, GPR:$base,am2offset:$offset),
1806 IndexModeNone, StFrm, IIC_iStore_ru,
1807 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1808 [/* For disassembly only; pattern left blank */]> {
1809 let Inst{21} = 1; // overwrite
1812 def STRBT : AI2ldstidx<0, 1, 0, (outs GPR:$base_wb),
1813 (ins GPR:$src, GPR:$base,am2offset:$offset),
1814 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1815 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1816 [/* For disassembly only; pattern left blank */]> {
1817 let Inst{21} = 1; // overwrite
1820 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1821 (ins GPR:$src, GPR:$base,am3offset:$offset),
1822 StMiscFrm, IIC_iStore_bh_ru,
1823 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1824 [/* For disassembly only; pattern left blank */]> {
1825 let Inst{21} = 1; // overwrite
1828 //===----------------------------------------------------------------------===//
1829 // Load / store multiple Instructions.
1832 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1833 InstrItinClass itin, InstrItinClass itin_upd> {
1835 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1836 IndexModeNone, f, itin,
1837 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1838 let Inst{24-23} = 0b01; // Increment After
1839 let Inst{21} = 0; // No writeback
1840 let Inst{20} = L_bit;
1843 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1844 IndexModeUpd, f, itin_upd,
1845 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1846 let Inst{24-23} = 0b01; // Increment After
1847 let Inst{21} = 1; // Writeback
1848 let Inst{20} = L_bit;
1851 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1852 IndexModeNone, f, itin,
1853 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1854 let Inst{24-23} = 0b00; // Decrement After
1855 let Inst{21} = 0; // No writeback
1856 let Inst{20} = L_bit;
1859 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1860 IndexModeUpd, f, itin_upd,
1861 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1862 let Inst{24-23} = 0b00; // Decrement After
1863 let Inst{21} = 1; // Writeback
1864 let Inst{20} = L_bit;
1867 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1868 IndexModeNone, f, itin,
1869 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1870 let Inst{24-23} = 0b10; // Decrement Before
1871 let Inst{21} = 0; // No writeback
1872 let Inst{20} = L_bit;
1875 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1876 IndexModeUpd, f, itin_upd,
1877 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1878 let Inst{24-23} = 0b10; // Decrement Before
1879 let Inst{21} = 1; // Writeback
1880 let Inst{20} = L_bit;
1883 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1884 IndexModeNone, f, itin,
1885 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1886 let Inst{24-23} = 0b11; // Increment Before
1887 let Inst{21} = 0; // No writeback
1888 let Inst{20} = L_bit;
1891 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1892 IndexModeUpd, f, itin_upd,
1893 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1894 let Inst{24-23} = 0b11; // Increment Before
1895 let Inst{21} = 1; // Writeback
1896 let Inst{20} = L_bit;
1900 let neverHasSideEffects = 1 in {
1902 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1903 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1905 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1906 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1908 } // neverHasSideEffects
1910 // Load / Store Multiple Mnemnoic Aliases
1911 def : MnemonicAlias<"ldm", "ldmia">;
1912 def : MnemonicAlias<"stm", "stmia">;
1914 // FIXME: remove when we have a way to marking a MI with these properties.
1915 // FIXME: Should pc be an implicit operand like PICADD, etc?
1916 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1917 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1918 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1919 reglist:$regs, variable_ops),
1920 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1921 "ldmia${p}\t$Rn!, $regs",
1923 let Inst{24-23} = 0b01; // Increment After
1924 let Inst{21} = 1; // Writeback
1925 let Inst{20} = 1; // Load
1928 //===----------------------------------------------------------------------===//
1929 // Move Instructions.
1932 let neverHasSideEffects = 1 in
1933 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1934 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1938 let Inst{11-4} = 0b00000000;
1941 let Inst{15-12} = Rd;
1944 // A version for the smaller set of tail call registers.
1945 let neverHasSideEffects = 1 in
1946 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1947 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1951 let Inst{11-4} = 0b00000000;
1954 let Inst{15-12} = Rd;
1957 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1958 DPSoRegFrm, IIC_iMOVsr,
1959 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1963 let Inst{15-12} = Rd;
1964 let Inst{11-0} = src;
1968 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1969 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1970 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1974 let Inst{15-12} = Rd;
1975 let Inst{19-16} = 0b0000;
1976 let Inst{11-0} = imm;
1979 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1980 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins movt_imm:$imm),
1982 "movw", "\t$Rd, $imm",
1983 [(set GPR:$Rd, imm0_65535:$imm)]>,
1984 Requires<[IsARM, HasV6T2]>, UnaryDP {
1987 let Inst{15-12} = Rd;
1988 let Inst{11-0} = imm{11-0};
1989 let Inst{19-16} = imm{15-12};
1994 let Constraints = "$src = $Rd" in
1995 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, movt_imm:$imm),
1997 "movt", "\t$Rd, $imm",
1999 (or (and GPR:$src, 0xffff),
2000 lo16AllZero:$imm))]>, UnaryDP,
2001 Requires<[IsARM, HasV6T2]> {
2004 let Inst{15-12} = Rd;
2005 let Inst{11-0} = imm{11-0};
2006 let Inst{19-16} = imm{15-12};
2011 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2012 Requires<[IsARM, HasV6T2]>;
2014 let Uses = [CPSR] in
2015 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2016 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2019 // These aren't really mov instructions, but we have to define them this way
2020 // due to flag operands.
2022 let Defs = [CPSR] in {
2023 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2024 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2026 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2027 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2031 //===----------------------------------------------------------------------===//
2032 // Extend Instructions.
2037 defm SXTB : AI_ext_rrot<0b01101010,
2038 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2039 defm SXTH : AI_ext_rrot<0b01101011,
2040 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2042 defm SXTAB : AI_exta_rrot<0b01101010,
2043 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2044 defm SXTAH : AI_exta_rrot<0b01101011,
2045 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2047 // For disassembly only
2048 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2050 // For disassembly only
2051 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2055 let AddedComplexity = 16 in {
2056 defm UXTB : AI_ext_rrot<0b01101110,
2057 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2058 defm UXTH : AI_ext_rrot<0b01101111,
2059 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2060 defm UXTB16 : AI_ext_rrot<0b01101100,
2061 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2063 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2064 // The transformation should probably be done as a combiner action
2065 // instead so we can include a check for masking back in the upper
2066 // eight bits of the source into the lower eight bits of the result.
2067 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2068 // (UXTB16r_rot GPR:$Src, 24)>;
2069 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2070 (UXTB16r_rot GPR:$Src, 8)>;
2072 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2073 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2074 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2075 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2078 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2079 // For disassembly only
2080 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2083 def SBFX : I<(outs GPR:$Rd),
2084 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2085 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2086 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2087 Requires<[IsARM, HasV6T2]> {
2092 let Inst{27-21} = 0b0111101;
2093 let Inst{6-4} = 0b101;
2094 let Inst{20-16} = width;
2095 let Inst{15-12} = Rd;
2096 let Inst{11-7} = lsb;
2100 def UBFX : I<(outs GPR:$Rd),
2101 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2102 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2103 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2104 Requires<[IsARM, HasV6T2]> {
2109 let Inst{27-21} = 0b0111111;
2110 let Inst{6-4} = 0b101;
2111 let Inst{20-16} = width;
2112 let Inst{15-12} = Rd;
2113 let Inst{11-7} = lsb;
2117 //===----------------------------------------------------------------------===//
2118 // Arithmetic Instructions.
2121 defm ADD : AsI1_bin_irs<0b0100, "add",
2122 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2123 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2124 defm SUB : AsI1_bin_irs<0b0010, "sub",
2125 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2126 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2128 // ADD and SUB with 's' bit set.
2129 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2130 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2131 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2132 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2133 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2134 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2136 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2137 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2138 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2139 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2140 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2141 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2142 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2143 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2145 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2146 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2147 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2152 let Inst{15-12} = Rd;
2153 let Inst{19-16} = Rn;
2154 let Inst{11-0} = imm;
2157 // The reg/reg form is only defined for the disassembler; for codegen it is
2158 // equivalent to SUBrr.
2159 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2160 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2161 [/* For disassembly only; pattern left blank */]> {
2165 let Inst{11-4} = 0b00000000;
2168 let Inst{15-12} = Rd;
2169 let Inst{19-16} = Rn;
2172 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2173 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2174 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2179 let Inst{11-0} = shift;
2180 let Inst{15-12} = Rd;
2181 let Inst{19-16} = Rn;
2184 // RSB with 's' bit set.
2185 let Defs = [CPSR] in {
2186 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2187 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2188 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2194 let Inst{15-12} = Rd;
2195 let Inst{19-16} = Rn;
2196 let Inst{11-0} = imm;
2198 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2199 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2200 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2206 let Inst{11-0} = shift;
2207 let Inst{15-12} = Rd;
2208 let Inst{19-16} = Rn;
2212 let Uses = [CPSR] in {
2213 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2214 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2215 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2221 let Inst{15-12} = Rd;
2222 let Inst{19-16} = Rn;
2223 let Inst{11-0} = imm;
2225 // The reg/reg form is only defined for the disassembler; for codegen it is
2226 // equivalent to SUBrr.
2227 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2228 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2229 [/* For disassembly only; pattern left blank */]> {
2233 let Inst{11-4} = 0b00000000;
2236 let Inst{15-12} = Rd;
2237 let Inst{19-16} = Rn;
2239 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2240 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2241 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2247 let Inst{11-0} = shift;
2248 let Inst{15-12} = Rd;
2249 let Inst{19-16} = Rn;
2253 // FIXME: Allow these to be predicated.
2254 let Defs = [CPSR], Uses = [CPSR] in {
2255 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2256 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2257 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2264 let Inst{15-12} = Rd;
2265 let Inst{19-16} = Rn;
2266 let Inst{11-0} = imm;
2268 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2269 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2270 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2277 let Inst{11-0} = shift;
2278 let Inst{15-12} = Rd;
2279 let Inst{19-16} = Rn;
2283 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2284 // The assume-no-carry-in form uses the negation of the input since add/sub
2285 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2286 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2288 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2289 (SUBri GPR:$src, so_imm_neg:$imm)>;
2290 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2291 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2292 // The with-carry-in form matches bitwise not instead of the negation.
2293 // Effectively, the inverse interpretation of the carry flag already accounts
2294 // for part of the negation.
2295 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2296 (SBCri GPR:$src, so_imm_not:$imm)>;
2298 // Note: These are implemented in C++ code, because they have to generate
2299 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2301 // (mul X, 2^n+1) -> (add (X << n), X)
2302 // (mul X, 2^n-1) -> (rsb X, (X << n))
2304 // ARM Arithmetic Instruction -- for disassembly only
2305 // GPR:$dst = GPR:$a op GPR:$b
2306 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2307 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2308 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2309 opc, "\t$Rd, $Rn, $Rm", pattern> {
2313 let Inst{27-20} = op27_20;
2314 let Inst{11-4} = op11_4;
2315 let Inst{19-16} = Rn;
2316 let Inst{15-12} = Rd;
2320 // Saturating add/subtract -- for disassembly only
2322 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2323 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2324 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2325 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2326 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2327 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2329 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2330 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2331 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2332 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2333 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2334 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2335 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2336 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2337 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2338 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2339 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2340 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2342 // Signed/Unsigned add/subtract -- for disassembly only
2344 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2345 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2346 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2347 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2348 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2349 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2350 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2351 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2352 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2353 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2354 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2355 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2357 // Signed/Unsigned halving add/subtract -- for disassembly only
2359 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2360 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2361 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2362 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2363 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2364 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2365 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2366 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2367 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2368 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2369 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2370 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2372 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2374 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2375 MulFrm /* for convenience */, NoItinerary, "usad8",
2376 "\t$Rd, $Rn, $Rm", []>,
2377 Requires<[IsARM, HasV6]> {
2381 let Inst{27-20} = 0b01111000;
2382 let Inst{15-12} = 0b1111;
2383 let Inst{7-4} = 0b0001;
2384 let Inst{19-16} = Rd;
2385 let Inst{11-8} = Rm;
2388 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2389 MulFrm /* for convenience */, NoItinerary, "usada8",
2390 "\t$Rd, $Rn, $Rm, $Ra", []>,
2391 Requires<[IsARM, HasV6]> {
2396 let Inst{27-20} = 0b01111000;
2397 let Inst{7-4} = 0b0001;
2398 let Inst{19-16} = Rd;
2399 let Inst{15-12} = Ra;
2400 let Inst{11-8} = Rm;
2404 // Signed/Unsigned saturate -- for disassembly only
2406 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2407 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2408 [/* For disassembly only; pattern left blank */]> {
2413 let Inst{27-21} = 0b0110101;
2414 let Inst{5-4} = 0b01;
2415 let Inst{20-16} = sat_imm;
2416 let Inst{15-12} = Rd;
2417 let Inst{11-7} = sh{7-3};
2418 let Inst{6} = sh{0};
2422 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2423 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2424 [/* For disassembly only; pattern left blank */]> {
2428 let Inst{27-20} = 0b01101010;
2429 let Inst{11-4} = 0b11110011;
2430 let Inst{15-12} = Rd;
2431 let Inst{19-16} = sat_imm;
2435 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2436 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2437 [/* For disassembly only; pattern left blank */]> {
2442 let Inst{27-21} = 0b0110111;
2443 let Inst{5-4} = 0b01;
2444 let Inst{15-12} = Rd;
2445 let Inst{11-7} = sh{7-3};
2446 let Inst{6} = sh{0};
2447 let Inst{20-16} = sat_imm;
2451 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2452 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2453 [/* For disassembly only; pattern left blank */]> {
2457 let Inst{27-20} = 0b01101110;
2458 let Inst{11-4} = 0b11110011;
2459 let Inst{15-12} = Rd;
2460 let Inst{19-16} = sat_imm;
2464 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2465 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2467 //===----------------------------------------------------------------------===//
2468 // Bitwise Instructions.
2471 defm AND : AsI1_bin_irs<0b0000, "and",
2472 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2473 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2474 defm ORR : AsI1_bin_irs<0b1100, "orr",
2475 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2476 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2477 defm EOR : AsI1_bin_irs<0b0001, "eor",
2478 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2479 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2480 defm BIC : AsI1_bin_irs<0b1110, "bic",
2481 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2482 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2484 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2485 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2486 "bfc", "\t$Rd, $imm", "$src = $Rd",
2487 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2488 Requires<[IsARM, HasV6T2]> {
2491 let Inst{27-21} = 0b0111110;
2492 let Inst{6-0} = 0b0011111;
2493 let Inst{15-12} = Rd;
2494 let Inst{11-7} = imm{4-0}; // lsb
2495 let Inst{20-16} = imm{9-5}; // width
2498 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2499 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2500 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2501 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2502 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2503 bf_inv_mask_imm:$imm))]>,
2504 Requires<[IsARM, HasV6T2]> {
2508 let Inst{27-21} = 0b0111110;
2509 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2510 let Inst{15-12} = Rd;
2511 let Inst{11-7} = imm{4-0}; // lsb
2512 let Inst{20-16} = imm{9-5}; // width
2516 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2517 "mvn", "\t$Rd, $Rm",
2518 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2522 let Inst{19-16} = 0b0000;
2523 let Inst{11-4} = 0b00000000;
2524 let Inst{15-12} = Rd;
2527 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2528 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2529 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2533 let Inst{19-16} = 0b0000;
2534 let Inst{15-12} = Rd;
2535 let Inst{11-0} = shift;
2537 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2538 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2539 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2540 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2544 let Inst{19-16} = 0b0000;
2545 let Inst{15-12} = Rd;
2546 let Inst{11-0} = imm;
2549 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2550 (BICri GPR:$src, so_imm_not:$imm)>;
2552 //===----------------------------------------------------------------------===//
2553 // Multiply Instructions.
2555 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2556 string opc, string asm, list<dag> pattern>
2557 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2561 let Inst{19-16} = Rd;
2562 let Inst{11-8} = Rm;
2565 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2566 string opc, string asm, list<dag> pattern>
2567 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2572 let Inst{19-16} = RdHi;
2573 let Inst{15-12} = RdLo;
2574 let Inst{11-8} = Rm;
2578 let isCommutable = 1 in
2579 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2580 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2581 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2583 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2584 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2585 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2587 let Inst{15-12} = Ra;
2590 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2591 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2592 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2593 Requires<[IsARM, HasV6T2]> {
2597 let Inst{19-16} = Rd;
2598 let Inst{11-8} = Rm;
2602 // Extra precision multiplies with low / high results
2604 let neverHasSideEffects = 1 in {
2605 let isCommutable = 1 in {
2606 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2607 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2608 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2610 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2611 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2612 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2615 // Multiply + accumulate
2616 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2617 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2618 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2620 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2621 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2622 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2624 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2625 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2626 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2627 Requires<[IsARM, HasV6]> {
2632 let Inst{19-16} = RdLo;
2633 let Inst{15-12} = RdHi;
2634 let Inst{11-8} = Rm;
2637 } // neverHasSideEffects
2639 // Most significant word multiply
2640 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2641 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2642 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2643 Requires<[IsARM, HasV6]> {
2644 let Inst{15-12} = 0b1111;
2647 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2648 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2649 [/* For disassembly only; pattern left blank */]>,
2650 Requires<[IsARM, HasV6]> {
2651 let Inst{15-12} = 0b1111;
2654 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2655 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2656 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2657 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2658 Requires<[IsARM, HasV6]>;
2660 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2661 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2662 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2663 [/* For disassembly only; pattern left blank */]>,
2664 Requires<[IsARM, HasV6]>;
2666 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2667 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2668 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2669 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2670 Requires<[IsARM, HasV6]>;
2672 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2673 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2674 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2675 [/* For disassembly only; pattern left blank */]>,
2676 Requires<[IsARM, HasV6]>;
2678 multiclass AI_smul<string opc, PatFrag opnode> {
2679 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2680 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2681 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2682 (sext_inreg GPR:$Rm, i16)))]>,
2683 Requires<[IsARM, HasV5TE]>;
2685 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2686 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2687 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2688 (sra GPR:$Rm, (i32 16))))]>,
2689 Requires<[IsARM, HasV5TE]>;
2691 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2692 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2693 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2694 (sext_inreg GPR:$Rm, i16)))]>,
2695 Requires<[IsARM, HasV5TE]>;
2697 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2698 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2699 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2700 (sra GPR:$Rm, (i32 16))))]>,
2701 Requires<[IsARM, HasV5TE]>;
2703 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2704 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2705 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2706 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2707 Requires<[IsARM, HasV5TE]>;
2709 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2710 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2711 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2712 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2713 Requires<[IsARM, HasV5TE]>;
2717 multiclass AI_smla<string opc, PatFrag opnode> {
2718 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2719 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2720 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2721 [(set GPR:$Rd, (add GPR:$Ra,
2722 (opnode (sext_inreg GPR:$Rn, i16),
2723 (sext_inreg GPR:$Rm, i16))))]>,
2724 Requires<[IsARM, HasV5TE]>;
2726 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2727 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2728 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2729 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2730 (sra GPR:$Rm, (i32 16)))))]>,
2731 Requires<[IsARM, HasV5TE]>;
2733 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2734 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2735 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2736 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2737 (sext_inreg GPR:$Rm, i16))))]>,
2738 Requires<[IsARM, HasV5TE]>;
2740 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2741 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2742 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2743 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2744 (sra GPR:$Rm, (i32 16)))))]>,
2745 Requires<[IsARM, HasV5TE]>;
2747 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2748 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2749 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2750 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2751 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2752 Requires<[IsARM, HasV5TE]>;
2754 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2755 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2756 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2757 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2758 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2759 Requires<[IsARM, HasV5TE]>;
2762 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2763 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2765 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2766 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2767 (ins GPR:$Rn, GPR:$Rm),
2768 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2769 [/* For disassembly only; pattern left blank */]>,
2770 Requires<[IsARM, HasV5TE]>;
2772 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2773 (ins GPR:$Rn, GPR:$Rm),
2774 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2775 [/* For disassembly only; pattern left blank */]>,
2776 Requires<[IsARM, HasV5TE]>;
2778 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2779 (ins GPR:$Rn, GPR:$Rm),
2780 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2781 [/* For disassembly only; pattern left blank */]>,
2782 Requires<[IsARM, HasV5TE]>;
2784 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2785 (ins GPR:$Rn, GPR:$Rm),
2786 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2787 [/* For disassembly only; pattern left blank */]>,
2788 Requires<[IsARM, HasV5TE]>;
2790 // Helper class for AI_smld -- for disassembly only
2791 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2792 InstrItinClass itin, string opc, string asm>
2793 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2800 let Inst{21-20} = 0b00;
2801 let Inst{22} = long;
2802 let Inst{27-23} = 0b01110;
2803 let Inst{11-8} = Rm;
2806 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2807 InstrItinClass itin, string opc, string asm>
2808 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2810 let Inst{15-12} = 0b1111;
2811 let Inst{19-16} = Rd;
2813 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2814 InstrItinClass itin, string opc, string asm>
2815 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2817 let Inst{15-12} = Ra;
2819 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2820 InstrItinClass itin, string opc, string asm>
2821 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2824 let Inst{19-16} = RdHi;
2825 let Inst{15-12} = RdLo;
2828 multiclass AI_smld<bit sub, string opc> {
2830 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2831 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2833 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2834 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2836 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2837 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2838 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2840 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2841 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2842 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2846 defm SMLA : AI_smld<0, "smla">;
2847 defm SMLS : AI_smld<1, "smls">;
2849 multiclass AI_sdml<bit sub, string opc> {
2851 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2852 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2853 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2854 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2857 defm SMUA : AI_sdml<0, "smua">;
2858 defm SMUS : AI_sdml<1, "smus">;
2860 //===----------------------------------------------------------------------===//
2861 // Misc. Arithmetic Instructions.
2864 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2865 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2866 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2868 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2869 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2870 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2871 Requires<[IsARM, HasV6T2]>;
2873 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2874 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2875 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2877 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2878 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2880 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2881 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2882 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2883 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2884 Requires<[IsARM, HasV6]>;
2886 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2887 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2890 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2891 (shl GPR:$Rm, (i32 8))), i16))]>,
2892 Requires<[IsARM, HasV6]>;
2894 def lsl_shift_imm : SDNodeXForm<imm, [{
2895 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2896 return CurDAG->getTargetConstant(Sh, MVT::i32);
2899 def lsl_amt : PatLeaf<(i32 imm), [{
2900 return (N->getZExtValue() < 32);
2903 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2904 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2905 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2906 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2907 (and (shl GPR:$Rm, lsl_amt:$sh),
2909 Requires<[IsARM, HasV6]>;
2911 // Alternate cases for PKHBT where identities eliminate some nodes.
2912 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2913 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2914 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2915 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2917 def asr_shift_imm : SDNodeXForm<imm, [{
2918 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2919 return CurDAG->getTargetConstant(Sh, MVT::i32);
2922 def asr_amt : PatLeaf<(i32 imm), [{
2923 return (N->getZExtValue() <= 32);
2926 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2927 // will match the pattern below.
2928 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2929 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2930 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2931 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2932 (and (sra GPR:$Rm, asr_amt:$sh),
2934 Requires<[IsARM, HasV6]>;
2936 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2937 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2938 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2939 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2940 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2941 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2942 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2944 //===----------------------------------------------------------------------===//
2945 // Comparison Instructions...
2948 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2949 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2950 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2952 // FIXME: We have to be careful when using the CMN instruction and comparison
2953 // with 0. One would expect these two pieces of code should give identical
2969 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2970 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2971 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2972 // value of r0 and the carry bit (because the "carry bit" parameter to
2973 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2974 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2975 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2976 // parameter to AddWithCarry is defined as 0).
2978 // When x is 0 and unsigned:
2982 // ~x + 1 = 0x1 0000 0000
2983 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2985 // Therefore, we should disable CMN when comparing against zero, until we can
2986 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2987 // when it's a comparison which doesn't look at the 'carry' flag).
2989 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2991 // This is related to <rdar://problem/7569620>.
2993 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2994 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2996 // Note that TST/TEQ don't set all the same flags that CMP does!
2997 defm TST : AI1_cmp_irs<0b1000, "tst",
2998 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2999 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3000 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3001 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3002 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3004 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
3005 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3006 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
3007 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3008 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3009 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3011 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3012 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3014 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3015 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3017 // Pseudo i64 compares for some floating point compares.
3018 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3020 def BCCi64 : PseudoInst<(outs),
3021 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3023 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3025 def BCCZi64 : PseudoInst<(outs),
3026 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3027 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3028 } // usesCustomInserter
3031 // Conditional moves
3032 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3033 // a two-value operand where a dag node expects two operands. :(
3034 // FIXME: These should all be pseudo-instructions that get expanded to
3035 // the normal MOV instructions. That would fix the dependency on
3036 // special casing them in tblgen.
3037 let neverHasSideEffects = 1 in {
3038 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3039 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3040 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3041 RegConstraint<"$false = $Rd">, UnaryDP {
3046 let Inst{15-12} = Rd;
3047 let Inst{11-4} = 0b00000000;
3051 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3052 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3053 "mov", "\t$Rd, $shift",
3054 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3055 RegConstraint<"$false = $Rd">, UnaryDP {
3060 let Inst{19-16} = 0;
3061 let Inst{15-12} = Rd;
3062 let Inst{11-0} = shift;
3065 let isMoveImm = 1 in
3066 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, movt_imm:$imm),
3068 "movw", "\t$Rd, $imm",
3070 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3076 let Inst{19-16} = imm{15-12};
3077 let Inst{15-12} = Rd;
3078 let Inst{11-0} = imm{11-0};
3081 let isMoveImm = 1 in
3082 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3083 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3084 "mov", "\t$Rd, $imm",
3085 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3086 RegConstraint<"$false = $Rd">, UnaryDP {
3091 let Inst{19-16} = 0b0000;
3092 let Inst{15-12} = Rd;
3093 let Inst{11-0} = imm;
3096 // Two instruction predicate mov immediate.
3097 let isMoveImm = 1 in
3098 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3099 (ins GPR:$false, i32imm:$src, pred:$p),
3100 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3102 let isMoveImm = 1 in
3103 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3104 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3105 "mvn", "\t$Rd, $imm",
3106 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3107 RegConstraint<"$false = $Rd">, UnaryDP {
3112 let Inst{19-16} = 0b0000;
3113 let Inst{15-12} = Rd;
3114 let Inst{11-0} = imm;
3116 } // neverHasSideEffects
3118 //===----------------------------------------------------------------------===//
3119 // Atomic operations intrinsics
3122 def memb_opt : Operand<i32> {
3123 let PrintMethod = "printMemBOption";
3126 // memory barriers protect the atomic sequences
3127 let hasSideEffects = 1 in {
3128 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3129 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3130 Requires<[IsARM, HasDB]> {
3132 let Inst{31-4} = 0xf57ff05;
3133 let Inst{3-0} = opt;
3136 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3137 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3138 [(ARMMemBarrierMCR GPR:$zero)]>,
3139 Requires<[IsARM, HasV6]> {
3140 // FIXME: add encoding
3144 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3146 [/* For disassembly only; pattern left blank */]>,
3147 Requires<[IsARM, HasDB]> {
3149 let Inst{31-4} = 0xf57ff04;
3150 let Inst{3-0} = opt;
3153 // ISB has only full system option -- for disassembly only
3154 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3155 Requires<[IsARM, HasDB]> {
3156 let Inst{31-4} = 0xf57ff06;
3157 let Inst{3-0} = 0b1111;
3160 let usesCustomInserter = 1 in {
3161 let Uses = [CPSR] in {
3162 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3163 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3164 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3165 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3166 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3167 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3168 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3169 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3170 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3171 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3172 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3173 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3174 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3175 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3176 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3177 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3178 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3179 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3180 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3181 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3182 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3183 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3184 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3185 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3186 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3187 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3188 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3189 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3190 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3191 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3192 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3193 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3194 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3195 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3196 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3197 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3198 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3199 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3200 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3201 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3202 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3203 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3204 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3205 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3206 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3207 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3208 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3209 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3210 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3211 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3212 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3213 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3214 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3215 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3217 def ATOMIC_SWAP_I8 : PseudoInst<
3218 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3219 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3220 def ATOMIC_SWAP_I16 : PseudoInst<
3221 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3222 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3223 def ATOMIC_SWAP_I32 : PseudoInst<
3224 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3225 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3227 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3228 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3229 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3230 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3231 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3232 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3233 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3234 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3235 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3239 let mayLoad = 1 in {
3240 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3241 "ldrexb", "\t$Rt, [$Rn]",
3243 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3244 "ldrexh", "\t$Rt, [$Rn]",
3246 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3247 "ldrex", "\t$Rt, [$Rn]",
3249 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3251 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3255 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3256 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3258 "strexb", "\t$Rd, $src, [$Rn]",
3260 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3262 "strexh", "\t$Rd, $Rt, [$Rn]",
3264 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3266 "strex", "\t$Rd, $Rt, [$Rn]",
3268 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3269 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3271 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3275 // Clear-Exclusive is for disassembly only.
3276 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3277 [/* For disassembly only; pattern left blank */]>,
3278 Requires<[IsARM, HasV7]> {
3279 let Inst{31-0} = 0b11110101011111111111000000011111;
3282 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3283 let mayLoad = 1 in {
3284 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3285 [/* For disassembly only; pattern left blank */]>;
3286 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3287 [/* For disassembly only; pattern left blank */]>;
3290 //===----------------------------------------------------------------------===//
3294 // __aeabi_read_tp preserves the registers r1-r3.
3295 // FIXME: This needs to be a pseudo of some sort so that we can get the
3296 // encoding right, complete with fixup for the aeabi_read_tp function.
3298 Defs = [R0, R12, LR, CPSR] in {
3299 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3300 "bl\t__aeabi_read_tp",
3301 [(set R0, ARMthread_pointer)]>;
3304 //===----------------------------------------------------------------------===//
3305 // SJLJ Exception handling intrinsics
3306 // eh_sjlj_setjmp() is an instruction sequence to store the return
3307 // address and save #0 in R0 for the non-longjmp case.
3308 // Since by its nature we may be coming from some other function to get
3309 // here, and we're using the stack frame for the containing function to
3310 // save/restore registers, we can't keep anything live in regs across
3311 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3312 // when we get here from a longjmp(). We force everthing out of registers
3313 // except for our own input by listing the relevant registers in Defs. By
3314 // doing so, we also cause the prologue/epilogue code to actively preserve
3315 // all of the callee-saved resgisters, which is exactly what we want.
3316 // A constant value is passed in $val, and we use the location as a scratch.
3318 // These are pseudo-instructions and are lowered to individual MC-insts, so
3319 // no encoding information is necessary.
3321 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3322 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3323 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3324 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3325 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3326 AddrModeNone, SizeSpecial, IndexModeNone,
3327 Pseudo, NoItinerary, "", "",
3328 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3329 Requires<[IsARM, HasVFP2]>;
3333 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3334 hasSideEffects = 1, isBarrier = 1 in {
3335 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3336 AddrModeNone, SizeSpecial, IndexModeNone,
3337 Pseudo, NoItinerary, "", "",
3338 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3339 Requires<[IsARM, NoVFP]>;
3342 // FIXME: Non-Darwin version(s)
3343 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3344 Defs = [ R7, LR, SP ] in {
3345 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3346 AddrModeNone, SizeSpecial, IndexModeNone,
3347 Pseudo, NoItinerary, "", "",
3348 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3349 Requires<[IsARM, IsDarwin]>;
3352 // eh.sjlj.dispatchsetup pseudo-instruction.
3353 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3354 // handled when the pseudo is expanded (which happens before any passes
3355 // that need the instruction size).
3356 let isBarrier = 1, hasSideEffects = 1 in
3357 def Int_eh_sjlj_dispatchsetup :
3358 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3359 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3360 Requires<[IsDarwin]>;
3362 //===----------------------------------------------------------------------===//
3363 // Non-Instruction Patterns
3366 // Large immediate handling.
3368 // 32-bit immediate using two piece so_imms or movw + movt.
3369 // This is a single pseudo instruction, the benefit is that it can be remat'd
3370 // as a single unit instead of having to handle reg inputs.
3371 // FIXME: Remove this when we can do generalized remat.
3372 let isReMaterializable = 1, isMoveImm = 1 in
3373 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3374 [(set GPR:$dst, (arm_i32imm:$src))]>,
3377 // ConstantPool, GlobalAddress, and JumpTable
3378 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3379 Requires<[IsARM, DontUseMovt]>;
3380 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3381 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3382 Requires<[IsARM, UseMovt]>;
3383 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3384 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3386 // TODO: add,sub,and, 3-instr forms?
3389 def : ARMPat<(ARMtcret tcGPR:$dst),
3390 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3392 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3393 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3395 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3396 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3398 def : ARMPat<(ARMtcret tcGPR:$dst),
3399 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3401 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3402 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3404 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3405 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3408 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3409 Requires<[IsARM, IsNotDarwin]>;
3410 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3411 Requires<[IsARM, IsDarwin]>;
3413 // zextload i1 -> zextload i8
3414 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3415 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3417 // extload -> zextload
3418 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3419 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3420 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3421 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3423 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3425 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3426 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3429 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3430 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3431 (SMULBB GPR:$a, GPR:$b)>;
3432 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3433 (SMULBB GPR:$a, GPR:$b)>;
3434 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3435 (sra GPR:$b, (i32 16))),
3436 (SMULBT GPR:$a, GPR:$b)>;
3437 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3438 (SMULBT GPR:$a, GPR:$b)>;
3439 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3440 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3441 (SMULTB GPR:$a, GPR:$b)>;
3442 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3443 (SMULTB GPR:$a, GPR:$b)>;
3444 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3446 (SMULWB GPR:$a, GPR:$b)>;
3447 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3448 (SMULWB GPR:$a, GPR:$b)>;
3450 def : ARMV5TEPat<(add GPR:$acc,
3451 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3452 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3453 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3454 def : ARMV5TEPat<(add GPR:$acc,
3455 (mul sext_16_node:$a, sext_16_node:$b)),
3456 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3457 def : ARMV5TEPat<(add GPR:$acc,
3458 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3459 (sra GPR:$b, (i32 16)))),
3460 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3461 def : ARMV5TEPat<(add GPR:$acc,
3462 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3463 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3464 def : ARMV5TEPat<(add GPR:$acc,
3465 (mul (sra GPR:$a, (i32 16)),
3466 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3467 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3468 def : ARMV5TEPat<(add GPR:$acc,
3469 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3470 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3471 def : ARMV5TEPat<(add GPR:$acc,
3472 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3474 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3475 def : ARMV5TEPat<(add GPR:$acc,
3476 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3477 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3479 //===----------------------------------------------------------------------===//
3483 include "ARMInstrThumb.td"
3485 //===----------------------------------------------------------------------===//
3489 include "ARMInstrThumb2.td"
3491 //===----------------------------------------------------------------------===//
3492 // Floating Point Support
3495 include "ARMInstrVFP.td"
3497 //===----------------------------------------------------------------------===//
3498 // Advanced SIMD (NEON) Support
3501 include "ARMInstrNEON.td"
3503 //===----------------------------------------------------------------------===//
3504 // Coprocessor Instructions. For disassembly only.
3507 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3508 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3509 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3510 [/* For disassembly only; pattern left blank */]> {
3514 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3515 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3516 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3517 [/* For disassembly only; pattern left blank */]> {
3518 let Inst{31-28} = 0b1111;
3522 class ACI<dag oops, dag iops, string opc, string asm>
3523 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3524 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3525 let Inst{27-25} = 0b110;
3528 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3530 def _OFFSET : ACI<(outs),
3531 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3532 opc, "\tp$cop, cr$CRd, $addr"> {
3533 let Inst{31-28} = op31_28;
3534 let Inst{24} = 1; // P = 1
3535 let Inst{21} = 0; // W = 0
3536 let Inst{22} = 0; // D = 0
3537 let Inst{20} = load;
3540 def _PRE : ACI<(outs),
3541 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3542 opc, "\tp$cop, cr$CRd, $addr!"> {
3543 let Inst{31-28} = op31_28;
3544 let Inst{24} = 1; // P = 1
3545 let Inst{21} = 1; // W = 1
3546 let Inst{22} = 0; // D = 0
3547 let Inst{20} = load;
3550 def _POST : ACI<(outs),
3551 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3552 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3553 let Inst{31-28} = op31_28;
3554 let Inst{24} = 0; // P = 0
3555 let Inst{21} = 1; // W = 1
3556 let Inst{22} = 0; // D = 0
3557 let Inst{20} = load;
3560 def _OPTION : ACI<(outs),
3561 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3562 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3563 let Inst{31-28} = op31_28;
3564 let Inst{24} = 0; // P = 0
3565 let Inst{23} = 1; // U = 1
3566 let Inst{21} = 0; // W = 0
3567 let Inst{22} = 0; // D = 0
3568 let Inst{20} = load;
3571 def L_OFFSET : ACI<(outs),
3572 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3573 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3574 let Inst{31-28} = op31_28;
3575 let Inst{24} = 1; // P = 1
3576 let Inst{21} = 0; // W = 0
3577 let Inst{22} = 1; // D = 1
3578 let Inst{20} = load;
3581 def L_PRE : ACI<(outs),
3582 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3583 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3584 let Inst{31-28} = op31_28;
3585 let Inst{24} = 1; // P = 1
3586 let Inst{21} = 1; // W = 1
3587 let Inst{22} = 1; // D = 1
3588 let Inst{20} = load;
3591 def L_POST : ACI<(outs),
3592 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3593 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3594 let Inst{31-28} = op31_28;
3595 let Inst{24} = 0; // P = 0
3596 let Inst{21} = 1; // W = 1
3597 let Inst{22} = 1; // D = 1
3598 let Inst{20} = load;
3601 def L_OPTION : ACI<(outs),
3602 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3603 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3604 let Inst{31-28} = op31_28;
3605 let Inst{24} = 0; // P = 0
3606 let Inst{23} = 1; // U = 1
3607 let Inst{21} = 0; // W = 0
3608 let Inst{22} = 1; // D = 1
3609 let Inst{20} = load;
3613 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3614 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3615 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3616 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3618 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3619 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3620 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3621 [/* For disassembly only; pattern left blank */]> {
3626 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3627 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3628 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3629 [/* For disassembly only; pattern left blank */]> {
3630 let Inst{31-28} = 0b1111;
3635 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3636 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3637 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3638 [/* For disassembly only; pattern left blank */]> {
3643 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3644 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3645 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3646 [/* For disassembly only; pattern left blank */]> {
3647 let Inst{31-28} = 0b1111;
3652 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3653 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3654 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3655 [/* For disassembly only; pattern left blank */]> {
3656 let Inst{23-20} = 0b0100;
3659 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3660 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3661 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3662 [/* For disassembly only; pattern left blank */]> {
3663 let Inst{31-28} = 0b1111;
3664 let Inst{23-20} = 0b0100;
3667 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3668 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3669 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3670 [/* For disassembly only; pattern left blank */]> {
3671 let Inst{23-20} = 0b0101;
3674 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3675 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3676 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3677 [/* For disassembly only; pattern left blank */]> {
3678 let Inst{31-28} = 0b1111;
3679 let Inst{23-20} = 0b0101;
3682 //===----------------------------------------------------------------------===//
3683 // Move between special register and ARM core register -- for disassembly only
3686 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3687 [/* For disassembly only; pattern left blank */]> {
3688 let Inst{23-20} = 0b0000;
3689 let Inst{7-4} = 0b0000;
3692 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3693 [/* For disassembly only; pattern left blank */]> {
3694 let Inst{23-20} = 0b0100;
3695 let Inst{7-4} = 0b0000;
3698 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3699 "msr", "\tcpsr$mask, $src",
3700 [/* For disassembly only; pattern left blank */]> {
3701 let Inst{23-20} = 0b0010;
3702 let Inst{7-4} = 0b0000;
3705 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3706 "msr", "\tcpsr$mask, $a",
3707 [/* For disassembly only; pattern left blank */]> {
3708 let Inst{23-20} = 0b0010;
3709 let Inst{7-4} = 0b0000;
3712 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3713 "msr", "\tspsr$mask, $src",
3714 [/* For disassembly only; pattern left blank */]> {
3715 let Inst{23-20} = 0b0110;
3716 let Inst{7-4} = 0b0000;
3719 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3720 "msr", "\tspsr$mask, $a",
3721 [/* For disassembly only; pattern left blank */]> {
3722 let Inst{23-20} = 0b0110;
3723 let Inst{7-4} = 0b0000;