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: AI2ldst<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:$addr))]> {
912 let Inst{23} = addr{12}; // U (add = ('U' == 1))
913 let Inst{19-16} = addr{16-13}; // Rn
914 let Inst{15-12} = Rt;
915 let Inst{11-0} = addr{11-0}; // imm12
917 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
918 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
919 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
922 let Inst{23} = shift{12}; // U (add = ('U' == 1))
923 let Inst{19-16} = shift{16-13}; // Rn
924 let Inst{15-12} = Rt;
925 let Inst{11-0} = shift{11-0};
930 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
931 InstrItinClass iir, PatFrag opnode> {
932 // Note: We use the complex addrmode_imm12 rather than just an input
933 // GPR and a constrained immediate so that we can use this to match
934 // frame index references and avoid matching constant pool references.
935 def i12 : AI2ldst<0b010, 0, isByte, (outs),
936 (ins GPR:$Rt, addrmode_imm12:$addr),
937 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
938 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
941 let Inst{23} = addr{12}; // U (add = ('U' == 1))
942 let Inst{19-16} = addr{16-13}; // Rn
943 let Inst{15-12} = Rt;
944 let Inst{11-0} = addr{11-0}; // imm12
946 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$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 : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1168 IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1170 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1171 IIC_iStore_bh_r, [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1173 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1174 IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1176 } // isNotDuplicable = 1
1179 // LEApcrel - Load a pc-relative address into a register without offending the
1181 let neverHasSideEffects = 1 in {
1182 let isReMaterializable = 1 in
1183 // FIXME: We want one cannonical LEApcrel instruction and to express one or
1184 // both of these as pseudo-instructions that get expanded to it.
1185 def LEApcrel : AXI1<0, (outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1187 "adr$p\t$Rd, #$label", []>;
1189 } // neverHasSideEffects
1190 def LEApcrelJT : AXI1<0b0100, (outs GPR:$Rd),
1191 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1193 "adr$p\t$Rd, #${label}_${id}", []> {
1196 let Inst{31-28} = p;
1197 let Inst{27-25} = 0b001;
1199 let Inst{19-16} = 0b1111;
1200 let Inst{15-12} = Rd;
1201 // FIXME: Add label encoding/fixup
1204 //===----------------------------------------------------------------------===//
1205 // Control Flow Instructions.
1208 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1210 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1211 "bx", "\tlr", [(ARMretflag)]>,
1212 Requires<[IsARM, HasV4T]> {
1213 let Inst{27-0} = 0b0001001011111111111100011110;
1217 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1218 "mov", "\tpc, lr", [(ARMretflag)]>,
1219 Requires<[IsARM, NoV4T]> {
1220 let Inst{27-0} = 0b0001101000001111000000001110;
1224 // Indirect branches
1225 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1227 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1228 [(brind GPR:$dst)]>,
1229 Requires<[IsARM, HasV4T]> {
1231 let Inst{31-4} = 0b1110000100101111111111110001;
1232 let Inst{3-0} = dst;
1236 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1237 [(brind GPR:$dst)]>,
1238 Requires<[IsARM, NoV4T]> {
1240 let Inst{31-4} = 0b1110000110100000111100000000;
1241 let Inst{3-0} = dst;
1245 // On non-Darwin platforms R9 is callee-saved.
1247 Defs = [R0, R1, R2, R3, R12, LR,
1248 D0, D1, D2, D3, D4, D5, D6, D7,
1249 D16, D17, D18, D19, D20, D21, D22, D23,
1250 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1251 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1252 IIC_Br, "bl\t$func",
1253 [(ARMcall tglobaladdr:$func)]>,
1254 Requires<[IsARM, IsNotDarwin]> {
1255 let Inst{31-28} = 0b1110;
1257 let Inst{23-0} = func;
1260 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1261 IIC_Br, "bl", "\t$func",
1262 [(ARMcall_pred tglobaladdr:$func)]>,
1263 Requires<[IsARM, IsNotDarwin]> {
1265 let Inst{23-0} = func;
1269 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1270 IIC_Br, "blx\t$func",
1271 [(ARMcall GPR:$func)]>,
1272 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1274 let Inst{31-4} = 0b1110000100101111111111110011;
1275 let Inst{3-0} = func;
1279 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1280 // FIXME: x2 insn patterns like this need to be pseudo instructions.
1281 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1282 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1283 [(ARMcall_nolink tGPR:$func)]>,
1284 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1286 let Inst{27-4} = 0b000100101111111111110001;
1287 let Inst{3-0} = func;
1291 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1292 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1293 [(ARMcall_nolink tGPR:$func)]>,
1294 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1296 let Inst{27-4} = 0b000110100000111100000000;
1297 let Inst{3-0} = func;
1301 // On Darwin R9 is call-clobbered.
1303 Defs = [R0, R1, R2, R3, R9, R12, LR,
1304 D0, D1, D2, D3, D4, D5, D6, D7,
1305 D16, D17, D18, D19, D20, D21, D22, D23,
1306 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1307 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1308 IIC_Br, "bl\t$func",
1309 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1310 let Inst{31-28} = 0b1110;
1312 let Inst{23-0} = func;
1315 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1316 IIC_Br, "bl", "\t$func",
1317 [(ARMcall_pred tglobaladdr:$func)]>,
1318 Requires<[IsARM, IsDarwin]> {
1320 let Inst{23-0} = func;
1324 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1325 IIC_Br, "blx\t$func",
1326 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1328 let Inst{31-4} = 0b1110000100101111111111110011;
1329 let Inst{3-0} = func;
1333 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1334 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1335 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1336 [(ARMcall_nolink tGPR:$func)]>,
1337 Requires<[IsARM, HasV4T, IsDarwin]> {
1339 let Inst{27-4} = 0b000100101111111111110001;
1340 let Inst{3-0} = func;
1344 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1345 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1346 [(ARMcall_nolink tGPR:$func)]>,
1347 Requires<[IsARM, NoV4T, IsDarwin]> {
1349 let Inst{27-4} = 0b000110100000111100000000;
1350 let Inst{3-0} = func;
1356 // FIXME: These should probably be xformed into the non-TC versions of the
1357 // instructions as part of MC lowering.
1358 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1360 let Defs = [R0, R1, R2, R3, R9, R12,
1361 D0, D1, D2, D3, D4, D5, D6, D7,
1362 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1363 D27, D28, D29, D30, D31, PC],
1365 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1367 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1369 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1371 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1373 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1374 IIC_Br, "b\t$dst @ TAILCALL",
1375 []>, Requires<[IsDarwin]>;
1377 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1378 IIC_Br, "b.w\t$dst @ TAILCALL",
1379 []>, Requires<[IsDarwin]>;
1381 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1382 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1383 []>, Requires<[IsDarwin]> {
1385 let Inst{31-4} = 0b1110000100101111111111110001;
1386 let Inst{3-0} = dst;
1390 // Non-Darwin versions (the difference is R9).
1391 let Defs = [R0, R1, R2, R3, R12,
1392 D0, D1, D2, D3, D4, D5, D6, D7,
1393 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1394 D27, D28, D29, D30, D31, PC],
1396 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1398 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1400 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1402 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1404 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1405 IIC_Br, "b\t$dst @ TAILCALL",
1406 []>, Requires<[IsARM, IsNotDarwin]>;
1408 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1409 IIC_Br, "b.w\t$dst @ TAILCALL",
1410 []>, Requires<[IsThumb, IsNotDarwin]>;
1412 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1413 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1414 []>, Requires<[IsNotDarwin]> {
1416 let Inst{31-4} = 0b1110000100101111111111110001;
1417 let Inst{3-0} = dst;
1422 let isBranch = 1, isTerminator = 1 in {
1423 // B is "predicable" since it can be xformed into a Bcc.
1424 let isBarrier = 1 in {
1425 let isPredicable = 1 in
1426 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1427 "b\t$target", [(br bb:$target)]> {
1429 let Inst{31-28} = 0b1110;
1430 let Inst{23-0} = target;
1433 let isNotDuplicable = 1, isIndirectBranch = 1,
1434 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1435 isCodeGenOnly = 1 in {
1436 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1437 IIC_Br, "mov\tpc, $target$jt",
1438 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1439 let Inst{11-4} = 0b00000000;
1440 let Inst{15-12} = 0b1111;
1441 let Inst{20} = 0; // S Bit
1442 let Inst{24-21} = 0b1101;
1443 let Inst{27-25} = 0b000;
1445 def BR_JTm : JTI<(outs),
1446 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1447 IIC_Br, "ldr\tpc, $target$jt",
1448 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1450 let Inst{15-12} = 0b1111;
1451 let Inst{20} = 1; // L bit
1452 let Inst{21} = 0; // W bit
1453 let Inst{22} = 0; // B bit
1454 let Inst{24} = 1; // P bit
1455 let Inst{27-25} = 0b011;
1457 def BR_JTadd : PseudoInst<(outs),
1458 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1460 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1462 } // isNotDuplicable = 1, isIndirectBranch = 1
1465 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1466 // a two-value operand where a dag node expects two operands. :(
1467 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1468 IIC_Br, "b", "\t$target",
1469 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1471 let Inst{23-0} = target;
1475 // Branch and Exchange Jazelle -- for disassembly only
1476 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1477 [/* For disassembly only; pattern left blank */]> {
1478 let Inst{23-20} = 0b0010;
1479 //let Inst{19-8} = 0xfff;
1480 let Inst{7-4} = 0b0010;
1483 // Secure Monitor Call is a system instruction -- for disassembly only
1484 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1485 [/* For disassembly only; pattern left blank */]> {
1487 let Inst{23-4} = 0b01100000000000000111;
1488 let Inst{3-0} = opt;
1491 // Supervisor Call (Software Interrupt) -- for disassembly only
1493 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1494 [/* For disassembly only; pattern left blank */]> {
1496 let Inst{23-0} = svc;
1500 // Store Return State is a system instruction -- for disassembly only
1501 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1502 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1503 NoItinerary, "srs${amode}\tsp!, $mode",
1504 [/* For disassembly only; pattern left blank */]> {
1505 let Inst{31-28} = 0b1111;
1506 let Inst{22-20} = 0b110; // W = 1
1509 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1510 NoItinerary, "srs${amode}\tsp, $mode",
1511 [/* For disassembly only; pattern left blank */]> {
1512 let Inst{31-28} = 0b1111;
1513 let Inst{22-20} = 0b100; // W = 0
1516 // Return From Exception is a system instruction -- for disassembly only
1517 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1518 NoItinerary, "rfe${amode}\t$base!",
1519 [/* For disassembly only; pattern left blank */]> {
1520 let Inst{31-28} = 0b1111;
1521 let Inst{22-20} = 0b011; // W = 1
1524 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1525 NoItinerary, "rfe${amode}\t$base",
1526 [/* For disassembly only; pattern left blank */]> {
1527 let Inst{31-28} = 0b1111;
1528 let Inst{22-20} = 0b001; // W = 0
1530 } // isCodeGenOnly = 1
1532 //===----------------------------------------------------------------------===//
1533 // Load / store Instructions.
1539 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1540 UnOpFrag<(load node:$Src)>>;
1541 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1542 UnOpFrag<(zextloadi8 node:$Src)>>;
1543 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1544 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1545 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1546 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1548 // Special LDR for loads from non-pc-relative constpools.
1549 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1550 isReMaterializable = 1 in
1551 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1552 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1556 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1557 let Inst{19-16} = 0b1111;
1558 let Inst{15-12} = Rt;
1559 let Inst{11-0} = addr{11-0}; // imm12
1562 // Loads with zero extension
1563 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1564 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1565 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1567 // Loads with sign extension
1568 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1569 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1570 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1572 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1573 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1574 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1576 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1577 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1578 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1579 // how to represent that such that tblgen is happy and we don't
1580 // mark this codegen only?
1582 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1583 (ins addrmode3:$addr), LdMiscFrm,
1584 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1585 []>, Requires<[IsARM, HasV5TE]>;
1589 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1590 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1591 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1592 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1594 // {13} 1 == Rm, 0 == imm12
1598 let Inst{25} = addr{13};
1599 let Inst{23} = addr{12};
1600 let Inst{19-16} = addr{17-14};
1601 let Inst{11-0} = addr{11-0};
1603 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1604 (ins GPR:$Rn, am2offset:$offset),
1605 IndexModePost, LdFrm, itin,
1606 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1607 // {13} 1 == Rm, 0 == imm12
1612 let Inst{25} = offset{13};
1613 let Inst{23} = offset{12};
1614 let Inst{19-16} = Rn;
1615 let Inst{11-0} = offset{11-0};
1619 let mayLoad = 1, neverHasSideEffects = 1 in {
1620 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1621 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1624 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1625 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1626 (ins addrmode3:$addr), IndexModePre,
1628 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1630 let Inst{23} = addr{8}; // U bit
1631 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1632 let Inst{19-16} = addr{12-9}; // Rn
1633 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1634 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1636 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1637 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1639 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1642 let Inst{23} = addr{8}; // U bit
1643 let Inst{22} = addr{9}; // 1 == imm8, 0 == Rm
1644 let Inst{19-16} = Rn;
1645 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1646 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1650 let mayLoad = 1, neverHasSideEffects = 1 in {
1651 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1652 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1653 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1654 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1655 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1656 } // mayLoad = 1, neverHasSideEffects = 1
1658 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1659 let mayLoad = 1, neverHasSideEffects = 1 in {
1660 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1661 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1662 LdFrm, IIC_iLoad_ru,
1663 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1664 let Inst{21} = 1; // overwrite
1666 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1667 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1668 LdFrm, IIC_iLoad_bh_ru,
1669 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1670 let Inst{21} = 1; // overwrite
1672 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1673 (ins GPR:$base, am3offset:$offset), IndexModePost,
1674 LdMiscFrm, IIC_iLoad_bh_ru,
1675 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1676 let Inst{21} = 1; // overwrite
1678 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1679 (ins GPR:$base, am3offset:$offset), IndexModePost,
1680 LdMiscFrm, IIC_iLoad_bh_ru,
1681 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1682 let Inst{21} = 1; // overwrite
1684 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1685 (ins GPR:$base, am3offset:$offset), IndexModePost,
1686 LdMiscFrm, IIC_iLoad_bh_ru,
1687 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1688 let Inst{21} = 1; // overwrite
1694 // Stores with truncate
1695 def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1696 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1697 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1700 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1701 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1702 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1703 StMiscFrm, IIC_iStore_d_r,
1704 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1707 def STR_PRE : AI2ldstidx<0, 0, 1, (outs GPR:$Rn_wb),
1708 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1709 IndexModePre, StFrm, IIC_iStore_ru,
1710 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1712 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1713 // {13} 1 == Rm, 0 == imm12
1718 let Inst{25} = offset{13};
1719 let Inst{23} = offset{12};
1720 let Inst{19-16} = Rn;
1721 let Inst{11-0} = offset{11-0};
1724 def STR_POST : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
1725 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1726 IndexModePost, StFrm, IIC_iStore_ru,
1727 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1729 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
1730 // {13} 1 == Rm, 0 == imm12
1735 let Inst{25} = offset{13};
1736 let Inst{23} = offset{12};
1737 let Inst{19-16} = Rn;
1738 let Inst{11-0} = offset{11-0};
1741 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1742 (ins GPR:$src, GPR:$base,am3offset:$offset),
1743 StMiscFrm, IIC_iStore_ru,
1744 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1746 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1748 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1749 (ins GPR:$src, GPR:$base,am3offset:$offset),
1750 StMiscFrm, IIC_iStore_bh_ru,
1751 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1752 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1753 GPR:$base, am3offset:$offset))]>;
1755 def STRB_PRE : AI2ldstidx<0, 1, 1, (outs GPR:$Rn_wb),
1756 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1757 IndexModePre, StFrm, IIC_iStore_bh_ru,
1758 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1759 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1760 GPR:$Rn, am2offset:$offset))]> {
1761 // {13} 1 == Rm, 0 == imm12
1766 let Inst{25} = offset{13};
1767 let Inst{23} = offset{12};
1768 let Inst{19-16} = Rn;
1769 let Inst{11-0} = offset{11-0};
1772 def STRB_POST: AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
1773 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1774 IndexModePost, StFrm, IIC_iStore_bh_ru,
1775 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1776 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1777 GPR:$Rn, am2offset:$offset))]> {
1778 // {13} 1 == Rm, 0 == imm12
1783 let Inst{25} = offset{13};
1784 let Inst{23} = offset{12};
1785 let Inst{19-16} = Rn;
1786 let Inst{11-0} = offset{11-0};
1789 // For disassembly only
1790 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1791 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1792 StMiscFrm, IIC_iStore_d_ru,
1793 "strd", "\t$src1, $src2, [$base, $offset]!",
1794 "$base = $base_wb", []>;
1796 // For disassembly only
1797 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1798 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1799 StMiscFrm, IIC_iStore_d_ru,
1800 "strd", "\t$src1, $src2, [$base], $offset",
1801 "$base = $base_wb", []>;
1803 // STRT, STRBT, and STRHT are for disassembly only.
1805 def STRT : AI2ldstidx<0, 0, 0, (outs GPR:$base_wb),
1806 (ins GPR:$src, GPR:$base,am2offset:$offset),
1807 IndexModeNone, StFrm, IIC_iStore_ru,
1808 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1809 [/* For disassembly only; pattern left blank */]> {
1810 let Inst{21} = 1; // overwrite
1813 def STRBT : AI2ldstidx<0, 1, 0, (outs GPR:$base_wb),
1814 (ins GPR:$src, GPR:$base,am2offset:$offset),
1815 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1816 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1817 [/* For disassembly only; pattern left blank */]> {
1818 let Inst{21} = 1; // overwrite
1821 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1822 (ins GPR:$src, GPR:$base,am3offset:$offset),
1823 StMiscFrm, IIC_iStore_bh_ru,
1824 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1825 [/* For disassembly only; pattern left blank */]> {
1826 let Inst{21} = 1; // overwrite
1829 //===----------------------------------------------------------------------===//
1830 // Load / store multiple Instructions.
1833 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1834 InstrItinClass itin, InstrItinClass itin_upd> {
1836 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1837 IndexModeNone, f, itin,
1838 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1839 let Inst{24-23} = 0b01; // Increment After
1840 let Inst{21} = 0; // No writeback
1841 let Inst{20} = L_bit;
1844 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1845 IndexModeUpd, f, itin_upd,
1846 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1847 let Inst{24-23} = 0b01; // Increment After
1848 let Inst{21} = 1; // Writeback
1849 let Inst{20} = L_bit;
1852 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1853 IndexModeNone, f, itin,
1854 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1855 let Inst{24-23} = 0b00; // Decrement After
1856 let Inst{21} = 0; // No writeback
1857 let Inst{20} = L_bit;
1860 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1861 IndexModeUpd, f, itin_upd,
1862 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1863 let Inst{24-23} = 0b00; // Decrement After
1864 let Inst{21} = 1; // Writeback
1865 let Inst{20} = L_bit;
1868 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1869 IndexModeNone, f, itin,
1870 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1871 let Inst{24-23} = 0b10; // Decrement Before
1872 let Inst{21} = 0; // No writeback
1873 let Inst{20} = L_bit;
1876 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1877 IndexModeUpd, f, itin_upd,
1878 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1879 let Inst{24-23} = 0b10; // Decrement Before
1880 let Inst{21} = 1; // Writeback
1881 let Inst{20} = L_bit;
1884 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1885 IndexModeNone, f, itin,
1886 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1887 let Inst{24-23} = 0b11; // Increment Before
1888 let Inst{21} = 0; // No writeback
1889 let Inst{20} = L_bit;
1892 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1893 IndexModeUpd, f, itin_upd,
1894 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1895 let Inst{24-23} = 0b11; // Increment Before
1896 let Inst{21} = 1; // Writeback
1897 let Inst{20} = L_bit;
1901 let neverHasSideEffects = 1 in {
1903 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1904 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1906 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1907 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1909 } // neverHasSideEffects
1911 // Load / Store Multiple Mnemnoic Aliases
1912 def : MnemonicAlias<"ldm", "ldmia">;
1913 def : MnemonicAlias<"stm", "stmia">;
1915 // FIXME: remove when we have a way to marking a MI with these properties.
1916 // FIXME: Should pc be an implicit operand like PICADD, etc?
1917 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1918 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1919 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1920 reglist:$regs, variable_ops),
1921 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1922 "ldmia${p}\t$Rn!, $regs",
1924 let Inst{24-23} = 0b01; // Increment After
1925 let Inst{21} = 1; // Writeback
1926 let Inst{20} = 1; // Load
1929 //===----------------------------------------------------------------------===//
1930 // Move Instructions.
1933 let neverHasSideEffects = 1 in
1934 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1935 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1939 let Inst{11-4} = 0b00000000;
1942 let Inst{15-12} = Rd;
1945 // A version for the smaller set of tail call registers.
1946 let neverHasSideEffects = 1 in
1947 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1948 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1952 let Inst{11-4} = 0b00000000;
1955 let Inst{15-12} = Rd;
1958 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1959 DPSoRegFrm, IIC_iMOVsr,
1960 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1964 let Inst{15-12} = Rd;
1965 let Inst{11-0} = src;
1969 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1970 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1971 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1975 let Inst{15-12} = Rd;
1976 let Inst{19-16} = 0b0000;
1977 let Inst{11-0} = imm;
1980 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1981 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins movt_imm:$imm),
1983 "movw", "\t$Rd, $imm",
1984 [(set GPR:$Rd, imm0_65535:$imm)]>,
1985 Requires<[IsARM, HasV6T2]>, UnaryDP {
1988 let Inst{15-12} = Rd;
1989 let Inst{11-0} = imm{11-0};
1990 let Inst{19-16} = imm{15-12};
1995 let Constraints = "$src = $Rd" in
1996 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, movt_imm:$imm),
1998 "movt", "\t$Rd, $imm",
2000 (or (and GPR:$src, 0xffff),
2001 lo16AllZero:$imm))]>, UnaryDP,
2002 Requires<[IsARM, HasV6T2]> {
2005 let Inst{15-12} = Rd;
2006 let Inst{11-0} = imm{11-0};
2007 let Inst{19-16} = imm{15-12};
2012 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2013 Requires<[IsARM, HasV6T2]>;
2015 let Uses = [CPSR] in
2016 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2017 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2020 // These aren't really mov instructions, but we have to define them this way
2021 // due to flag operands.
2023 let Defs = [CPSR] in {
2024 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2025 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2027 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2028 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2032 //===----------------------------------------------------------------------===//
2033 // Extend Instructions.
2038 defm SXTB : AI_ext_rrot<0b01101010,
2039 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2040 defm SXTH : AI_ext_rrot<0b01101011,
2041 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2043 defm SXTAB : AI_exta_rrot<0b01101010,
2044 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2045 defm SXTAH : AI_exta_rrot<0b01101011,
2046 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2048 // For disassembly only
2049 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2051 // For disassembly only
2052 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2056 let AddedComplexity = 16 in {
2057 defm UXTB : AI_ext_rrot<0b01101110,
2058 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2059 defm UXTH : AI_ext_rrot<0b01101111,
2060 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2061 defm UXTB16 : AI_ext_rrot<0b01101100,
2062 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2064 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2065 // The transformation should probably be done as a combiner action
2066 // instead so we can include a check for masking back in the upper
2067 // eight bits of the source into the lower eight bits of the result.
2068 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2069 // (UXTB16r_rot GPR:$Src, 24)>;
2070 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2071 (UXTB16r_rot GPR:$Src, 8)>;
2073 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2074 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2075 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2076 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2079 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2080 // For disassembly only
2081 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2084 def SBFX : I<(outs GPR:$Rd),
2085 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2086 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2087 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2088 Requires<[IsARM, HasV6T2]> {
2093 let Inst{27-21} = 0b0111101;
2094 let Inst{6-4} = 0b101;
2095 let Inst{20-16} = width;
2096 let Inst{15-12} = Rd;
2097 let Inst{11-7} = lsb;
2101 def UBFX : I<(outs GPR:$Rd),
2102 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2103 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2104 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2105 Requires<[IsARM, HasV6T2]> {
2110 let Inst{27-21} = 0b0111111;
2111 let Inst{6-4} = 0b101;
2112 let Inst{20-16} = width;
2113 let Inst{15-12} = Rd;
2114 let Inst{11-7} = lsb;
2118 //===----------------------------------------------------------------------===//
2119 // Arithmetic Instructions.
2122 defm ADD : AsI1_bin_irs<0b0100, "add",
2123 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2124 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2125 defm SUB : AsI1_bin_irs<0b0010, "sub",
2126 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2127 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2129 // ADD and SUB with 's' bit set.
2130 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2131 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2132 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2133 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2134 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2135 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2137 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2138 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2139 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2140 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2141 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2142 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2143 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2144 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2146 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2147 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2148 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2153 let Inst{15-12} = Rd;
2154 let Inst{19-16} = Rn;
2155 let Inst{11-0} = imm;
2158 // The reg/reg form is only defined for the disassembler; for codegen it is
2159 // equivalent to SUBrr.
2160 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2161 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2162 [/* For disassembly only; pattern left blank */]> {
2166 let Inst{11-4} = 0b00000000;
2169 let Inst{15-12} = Rd;
2170 let Inst{19-16} = Rn;
2173 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2174 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2175 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2180 let Inst{11-0} = shift;
2181 let Inst{15-12} = Rd;
2182 let Inst{19-16} = Rn;
2185 // RSB with 's' bit set.
2186 let Defs = [CPSR] in {
2187 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2188 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2189 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2195 let Inst{15-12} = Rd;
2196 let Inst{19-16} = Rn;
2197 let Inst{11-0} = imm;
2199 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2200 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2201 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2207 let Inst{11-0} = shift;
2208 let Inst{15-12} = Rd;
2209 let Inst{19-16} = Rn;
2213 let Uses = [CPSR] in {
2214 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2215 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2216 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2222 let Inst{15-12} = Rd;
2223 let Inst{19-16} = Rn;
2224 let Inst{11-0} = imm;
2226 // The reg/reg form is only defined for the disassembler; for codegen it is
2227 // equivalent to SUBrr.
2228 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2229 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2230 [/* For disassembly only; pattern left blank */]> {
2234 let Inst{11-4} = 0b00000000;
2237 let Inst{15-12} = Rd;
2238 let Inst{19-16} = Rn;
2240 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2241 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2242 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2248 let Inst{11-0} = shift;
2249 let Inst{15-12} = Rd;
2250 let Inst{19-16} = Rn;
2254 // FIXME: Allow these to be predicated.
2255 let Defs = [CPSR], Uses = [CPSR] in {
2256 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2257 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2258 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2265 let Inst{15-12} = Rd;
2266 let Inst{19-16} = Rn;
2267 let Inst{11-0} = imm;
2269 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2270 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2271 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2278 let Inst{11-0} = shift;
2279 let Inst{15-12} = Rd;
2280 let Inst{19-16} = Rn;
2284 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2285 // The assume-no-carry-in form uses the negation of the input since add/sub
2286 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2287 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2289 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2290 (SUBri GPR:$src, so_imm_neg:$imm)>;
2291 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2292 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2293 // The with-carry-in form matches bitwise not instead of the negation.
2294 // Effectively, the inverse interpretation of the carry flag already accounts
2295 // for part of the negation.
2296 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2297 (SBCri GPR:$src, so_imm_not:$imm)>;
2299 // Note: These are implemented in C++ code, because they have to generate
2300 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2302 // (mul X, 2^n+1) -> (add (X << n), X)
2303 // (mul X, 2^n-1) -> (rsb X, (X << n))
2305 // ARM Arithmetic Instruction -- for disassembly only
2306 // GPR:$dst = GPR:$a op GPR:$b
2307 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2308 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2309 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2310 opc, "\t$Rd, $Rn, $Rm", pattern> {
2314 let Inst{27-20} = op27_20;
2315 let Inst{11-4} = op11_4;
2316 let Inst{19-16} = Rn;
2317 let Inst{15-12} = Rd;
2321 // Saturating add/subtract -- for disassembly only
2323 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2324 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2325 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2326 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2327 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2328 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2330 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2331 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2332 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2333 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2334 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2335 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2336 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2337 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2338 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2339 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2340 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2341 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2343 // Signed/Unsigned add/subtract -- for disassembly only
2345 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2346 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2347 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2348 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2349 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2350 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2351 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2352 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2353 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2354 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2355 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2356 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2358 // Signed/Unsigned halving add/subtract -- for disassembly only
2360 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2361 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2362 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2363 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2364 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2365 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2366 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2367 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2368 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2369 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2370 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2371 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2373 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2375 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2376 MulFrm /* for convenience */, NoItinerary, "usad8",
2377 "\t$Rd, $Rn, $Rm", []>,
2378 Requires<[IsARM, HasV6]> {
2382 let Inst{27-20} = 0b01111000;
2383 let Inst{15-12} = 0b1111;
2384 let Inst{7-4} = 0b0001;
2385 let Inst{19-16} = Rd;
2386 let Inst{11-8} = Rm;
2389 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2390 MulFrm /* for convenience */, NoItinerary, "usada8",
2391 "\t$Rd, $Rn, $Rm, $Ra", []>,
2392 Requires<[IsARM, HasV6]> {
2397 let Inst{27-20} = 0b01111000;
2398 let Inst{7-4} = 0b0001;
2399 let Inst{19-16} = Rd;
2400 let Inst{15-12} = Ra;
2401 let Inst{11-8} = Rm;
2405 // Signed/Unsigned saturate -- for disassembly only
2407 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2408 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2409 [/* For disassembly only; pattern left blank */]> {
2414 let Inst{27-21} = 0b0110101;
2415 let Inst{5-4} = 0b01;
2416 let Inst{20-16} = sat_imm;
2417 let Inst{15-12} = Rd;
2418 let Inst{11-7} = sh{7-3};
2419 let Inst{6} = sh{0};
2423 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2424 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2425 [/* For disassembly only; pattern left blank */]> {
2429 let Inst{27-20} = 0b01101010;
2430 let Inst{11-4} = 0b11110011;
2431 let Inst{15-12} = Rd;
2432 let Inst{19-16} = sat_imm;
2436 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2437 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2438 [/* For disassembly only; pattern left blank */]> {
2443 let Inst{27-21} = 0b0110111;
2444 let Inst{5-4} = 0b01;
2445 let Inst{15-12} = Rd;
2446 let Inst{11-7} = sh{7-3};
2447 let Inst{6} = sh{0};
2448 let Inst{20-16} = sat_imm;
2452 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2453 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2454 [/* For disassembly only; pattern left blank */]> {
2458 let Inst{27-20} = 0b01101110;
2459 let Inst{11-4} = 0b11110011;
2460 let Inst{15-12} = Rd;
2461 let Inst{19-16} = sat_imm;
2465 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2466 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2468 //===----------------------------------------------------------------------===//
2469 // Bitwise Instructions.
2472 defm AND : AsI1_bin_irs<0b0000, "and",
2473 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2474 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2475 defm ORR : AsI1_bin_irs<0b1100, "orr",
2476 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2477 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2478 defm EOR : AsI1_bin_irs<0b0001, "eor",
2479 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2480 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2481 defm BIC : AsI1_bin_irs<0b1110, "bic",
2482 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2483 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2485 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2486 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2487 "bfc", "\t$Rd, $imm", "$src = $Rd",
2488 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2489 Requires<[IsARM, HasV6T2]> {
2492 let Inst{27-21} = 0b0111110;
2493 let Inst{6-0} = 0b0011111;
2494 let Inst{15-12} = Rd;
2495 let Inst{11-7} = imm{4-0}; // lsb
2496 let Inst{20-16} = imm{9-5}; // width
2499 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2500 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2501 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2502 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2503 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2504 bf_inv_mask_imm:$imm))]>,
2505 Requires<[IsARM, HasV6T2]> {
2509 let Inst{27-21} = 0b0111110;
2510 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2511 let Inst{15-12} = Rd;
2512 let Inst{11-7} = imm{4-0}; // lsb
2513 let Inst{20-16} = imm{9-5}; // width
2517 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2518 "mvn", "\t$Rd, $Rm",
2519 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2523 let Inst{19-16} = 0b0000;
2524 let Inst{11-4} = 0b00000000;
2525 let Inst{15-12} = Rd;
2528 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2529 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2530 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2534 let Inst{19-16} = 0b0000;
2535 let Inst{15-12} = Rd;
2536 let Inst{11-0} = shift;
2538 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2539 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2540 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2541 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2545 let Inst{19-16} = 0b0000;
2546 let Inst{15-12} = Rd;
2547 let Inst{11-0} = imm;
2550 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2551 (BICri GPR:$src, so_imm_not:$imm)>;
2553 //===----------------------------------------------------------------------===//
2554 // Multiply Instructions.
2556 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2557 string opc, string asm, list<dag> pattern>
2558 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2562 let Inst{19-16} = Rd;
2563 let Inst{11-8} = Rm;
2566 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2567 string opc, string asm, list<dag> pattern>
2568 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2573 let Inst{19-16} = RdHi;
2574 let Inst{15-12} = RdLo;
2575 let Inst{11-8} = Rm;
2579 let isCommutable = 1 in
2580 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2581 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2582 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2584 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2585 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2586 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2588 let Inst{15-12} = Ra;
2591 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2592 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2593 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2594 Requires<[IsARM, HasV6T2]> {
2598 let Inst{19-16} = Rd;
2599 let Inst{11-8} = Rm;
2603 // Extra precision multiplies with low / high results
2605 let neverHasSideEffects = 1 in {
2606 let isCommutable = 1 in {
2607 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2608 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2609 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2611 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2612 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2613 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2616 // Multiply + accumulate
2617 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2618 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2619 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2621 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2622 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2623 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2625 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2626 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2627 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2628 Requires<[IsARM, HasV6]> {
2633 let Inst{19-16} = RdLo;
2634 let Inst{15-12} = RdHi;
2635 let Inst{11-8} = Rm;
2638 } // neverHasSideEffects
2640 // Most significant word multiply
2641 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2642 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2643 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2644 Requires<[IsARM, HasV6]> {
2645 let Inst{15-12} = 0b1111;
2648 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2649 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2650 [/* For disassembly only; pattern left blank */]>,
2651 Requires<[IsARM, HasV6]> {
2652 let Inst{15-12} = 0b1111;
2655 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2656 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2657 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2658 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2659 Requires<[IsARM, HasV6]>;
2661 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2662 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2663 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2664 [/* For disassembly only; pattern left blank */]>,
2665 Requires<[IsARM, HasV6]>;
2667 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2668 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2669 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2670 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2671 Requires<[IsARM, HasV6]>;
2673 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2674 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2675 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2676 [/* For disassembly only; pattern left blank */]>,
2677 Requires<[IsARM, HasV6]>;
2679 multiclass AI_smul<string opc, PatFrag opnode> {
2680 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2681 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2682 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2683 (sext_inreg GPR:$Rm, i16)))]>,
2684 Requires<[IsARM, HasV5TE]>;
2686 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2687 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2688 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2689 (sra GPR:$Rm, (i32 16))))]>,
2690 Requires<[IsARM, HasV5TE]>;
2692 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2693 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2694 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2695 (sext_inreg GPR:$Rm, i16)))]>,
2696 Requires<[IsARM, HasV5TE]>;
2698 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2699 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2700 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2701 (sra GPR:$Rm, (i32 16))))]>,
2702 Requires<[IsARM, HasV5TE]>;
2704 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2705 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2706 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2707 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2708 Requires<[IsARM, HasV5TE]>;
2710 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2711 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2712 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2713 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2714 Requires<[IsARM, HasV5TE]>;
2718 multiclass AI_smla<string opc, PatFrag opnode> {
2719 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2720 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2721 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2722 [(set GPR:$Rd, (add GPR:$Ra,
2723 (opnode (sext_inreg GPR:$Rn, i16),
2724 (sext_inreg GPR:$Rm, i16))))]>,
2725 Requires<[IsARM, HasV5TE]>;
2727 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2728 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2729 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2730 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2731 (sra GPR:$Rm, (i32 16)))))]>,
2732 Requires<[IsARM, HasV5TE]>;
2734 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2735 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2736 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2737 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2738 (sext_inreg GPR:$Rm, i16))))]>,
2739 Requires<[IsARM, HasV5TE]>;
2741 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2742 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2743 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2744 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2745 (sra GPR:$Rm, (i32 16)))))]>,
2746 Requires<[IsARM, HasV5TE]>;
2748 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2749 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2750 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2751 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2752 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2753 Requires<[IsARM, HasV5TE]>;
2755 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2756 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2757 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2758 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2759 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2760 Requires<[IsARM, HasV5TE]>;
2763 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2764 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2766 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2767 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2768 (ins GPR:$Rn, GPR:$Rm),
2769 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2770 [/* For disassembly only; pattern left blank */]>,
2771 Requires<[IsARM, HasV5TE]>;
2773 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2774 (ins GPR:$Rn, GPR:$Rm),
2775 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2776 [/* For disassembly only; pattern left blank */]>,
2777 Requires<[IsARM, HasV5TE]>;
2779 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2780 (ins GPR:$Rn, GPR:$Rm),
2781 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2782 [/* For disassembly only; pattern left blank */]>,
2783 Requires<[IsARM, HasV5TE]>;
2785 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2786 (ins GPR:$Rn, GPR:$Rm),
2787 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2788 [/* For disassembly only; pattern left blank */]>,
2789 Requires<[IsARM, HasV5TE]>;
2791 // Helper class for AI_smld -- for disassembly only
2792 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2793 InstrItinClass itin, string opc, string asm>
2794 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2801 let Inst{21-20} = 0b00;
2802 let Inst{22} = long;
2803 let Inst{27-23} = 0b01110;
2804 let Inst{11-8} = Rm;
2807 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2808 InstrItinClass itin, string opc, string asm>
2809 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2811 let Inst{15-12} = 0b1111;
2812 let Inst{19-16} = Rd;
2814 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2815 InstrItinClass itin, string opc, string asm>
2816 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2818 let Inst{15-12} = Ra;
2820 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2821 InstrItinClass itin, string opc, string asm>
2822 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2825 let Inst{19-16} = RdHi;
2826 let Inst{15-12} = RdLo;
2829 multiclass AI_smld<bit sub, string opc> {
2831 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2832 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2834 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2835 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2837 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2838 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2839 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2841 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2842 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2843 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2847 defm SMLA : AI_smld<0, "smla">;
2848 defm SMLS : AI_smld<1, "smls">;
2850 multiclass AI_sdml<bit sub, string opc> {
2852 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2853 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2854 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2855 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2858 defm SMUA : AI_sdml<0, "smua">;
2859 defm SMUS : AI_sdml<1, "smus">;
2861 //===----------------------------------------------------------------------===//
2862 // Misc. Arithmetic Instructions.
2865 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2866 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2867 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2869 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2870 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2871 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2872 Requires<[IsARM, HasV6T2]>;
2874 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2875 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2876 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2878 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2879 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2881 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2882 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2883 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2884 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2885 Requires<[IsARM, HasV6]>;
2887 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2888 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2891 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2892 (shl GPR:$Rm, (i32 8))), i16))]>,
2893 Requires<[IsARM, HasV6]>;
2895 def lsl_shift_imm : SDNodeXForm<imm, [{
2896 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2897 return CurDAG->getTargetConstant(Sh, MVT::i32);
2900 def lsl_amt : PatLeaf<(i32 imm), [{
2901 return (N->getZExtValue() < 32);
2904 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2905 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2906 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2907 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2908 (and (shl GPR:$Rm, lsl_amt:$sh),
2910 Requires<[IsARM, HasV6]>;
2912 // Alternate cases for PKHBT where identities eliminate some nodes.
2913 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2914 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2915 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2916 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2918 def asr_shift_imm : SDNodeXForm<imm, [{
2919 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2920 return CurDAG->getTargetConstant(Sh, MVT::i32);
2923 def asr_amt : PatLeaf<(i32 imm), [{
2924 return (N->getZExtValue() <= 32);
2927 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2928 // will match the pattern below.
2929 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2930 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2931 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2932 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2933 (and (sra GPR:$Rm, asr_amt:$sh),
2935 Requires<[IsARM, HasV6]>;
2937 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2938 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2939 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2940 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2941 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2942 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2943 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2945 //===----------------------------------------------------------------------===//
2946 // Comparison Instructions...
2949 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2950 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2951 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2953 // FIXME: We have to be careful when using the CMN instruction and comparison
2954 // with 0. One would expect these two pieces of code should give identical
2970 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2971 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2972 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2973 // value of r0 and the carry bit (because the "carry bit" parameter to
2974 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2975 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2976 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2977 // parameter to AddWithCarry is defined as 0).
2979 // When x is 0 and unsigned:
2983 // ~x + 1 = 0x1 0000 0000
2984 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2986 // Therefore, we should disable CMN when comparing against zero, until we can
2987 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2988 // when it's a comparison which doesn't look at the 'carry' flag).
2990 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2992 // This is related to <rdar://problem/7569620>.
2994 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2995 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2997 // Note that TST/TEQ don't set all the same flags that CMP does!
2998 defm TST : AI1_cmp_irs<0b1000, "tst",
2999 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3000 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3001 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3002 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3003 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3005 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
3006 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3007 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
3008 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3009 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3010 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3012 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3013 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3015 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3016 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3018 // Pseudo i64 compares for some floating point compares.
3019 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3021 def BCCi64 : PseudoInst<(outs),
3022 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3024 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3026 def BCCZi64 : PseudoInst<(outs),
3027 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3028 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3029 } // usesCustomInserter
3032 // Conditional moves
3033 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3034 // a two-value operand where a dag node expects two operands. :(
3035 // FIXME: These should all be pseudo-instructions that get expanded to
3036 // the normal MOV instructions. That would fix the dependency on
3037 // special casing them in tblgen.
3038 let neverHasSideEffects = 1 in {
3039 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3040 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3041 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3042 RegConstraint<"$false = $Rd">, UnaryDP {
3047 let Inst{15-12} = Rd;
3048 let Inst{11-4} = 0b00000000;
3052 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3053 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3054 "mov", "\t$Rd, $shift",
3055 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3056 RegConstraint<"$false = $Rd">, UnaryDP {
3061 let Inst{19-16} = 0;
3062 let Inst{15-12} = Rd;
3063 let Inst{11-0} = shift;
3066 let isMoveImm = 1 in
3067 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, movt_imm:$imm),
3069 "movw", "\t$Rd, $imm",
3071 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3077 let Inst{19-16} = imm{15-12};
3078 let Inst{15-12} = Rd;
3079 let Inst{11-0} = imm{11-0};
3082 let isMoveImm = 1 in
3083 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3084 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3085 "mov", "\t$Rd, $imm",
3086 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3087 RegConstraint<"$false = $Rd">, UnaryDP {
3092 let Inst{19-16} = 0b0000;
3093 let Inst{15-12} = Rd;
3094 let Inst{11-0} = imm;
3097 // Two instruction predicate mov immediate.
3098 let isMoveImm = 1 in
3099 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3100 (ins GPR:$false, i32imm:$src, pred:$p),
3101 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3103 let isMoveImm = 1 in
3104 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3105 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3106 "mvn", "\t$Rd, $imm",
3107 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3108 RegConstraint<"$false = $Rd">, UnaryDP {
3113 let Inst{19-16} = 0b0000;
3114 let Inst{15-12} = Rd;
3115 let Inst{11-0} = imm;
3117 } // neverHasSideEffects
3119 //===----------------------------------------------------------------------===//
3120 // Atomic operations intrinsics
3123 def memb_opt : Operand<i32> {
3124 let PrintMethod = "printMemBOption";
3127 // memory barriers protect the atomic sequences
3128 let hasSideEffects = 1 in {
3129 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3130 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3131 Requires<[IsARM, HasDB]> {
3133 let Inst{31-4} = 0xf57ff05;
3134 let Inst{3-0} = opt;
3137 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3138 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3139 [(ARMMemBarrierMCR GPR:$zero)]>,
3140 Requires<[IsARM, HasV6]> {
3141 // FIXME: add encoding
3145 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3147 [/* For disassembly only; pattern left blank */]>,
3148 Requires<[IsARM, HasDB]> {
3150 let Inst{31-4} = 0xf57ff04;
3151 let Inst{3-0} = opt;
3154 // ISB has only full system option -- for disassembly only
3155 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3156 Requires<[IsARM, HasDB]> {
3157 let Inst{31-4} = 0xf57ff06;
3158 let Inst{3-0} = 0b1111;
3161 let usesCustomInserter = 1 in {
3162 let Uses = [CPSR] in {
3163 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3164 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3165 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3166 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3167 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3168 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3169 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3170 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3171 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3172 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3173 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3174 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3175 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3176 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3177 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3178 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3179 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3180 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3181 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3182 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3183 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3184 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3185 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3186 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3187 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3188 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3189 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3190 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3191 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3192 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3193 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3194 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3195 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3196 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3197 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3198 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3199 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3200 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3201 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3202 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3203 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3204 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3205 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3206 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3207 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3208 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3209 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3210 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3211 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3212 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3213 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3214 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3215 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3216 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3218 def ATOMIC_SWAP_I8 : PseudoInst<
3219 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3220 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3221 def ATOMIC_SWAP_I16 : PseudoInst<
3222 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3223 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3224 def ATOMIC_SWAP_I32 : PseudoInst<
3225 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3226 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3228 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3229 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3230 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3231 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3232 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3233 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3234 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3235 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3236 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3240 let mayLoad = 1 in {
3241 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3242 "ldrexb", "\t$Rt, [$Rn]",
3244 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3245 "ldrexh", "\t$Rt, [$Rn]",
3247 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3248 "ldrex", "\t$Rt, [$Rn]",
3250 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3252 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3256 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3257 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3259 "strexb", "\t$Rd, $src, [$Rn]",
3261 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3263 "strexh", "\t$Rd, $Rt, [$Rn]",
3265 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3267 "strex", "\t$Rd, $Rt, [$Rn]",
3269 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3270 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3272 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3276 // Clear-Exclusive is for disassembly only.
3277 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3278 [/* For disassembly only; pattern left blank */]>,
3279 Requires<[IsARM, HasV7]> {
3280 let Inst{31-0} = 0b11110101011111111111000000011111;
3283 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3284 let mayLoad = 1 in {
3285 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3286 [/* For disassembly only; pattern left blank */]>;
3287 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3288 [/* For disassembly only; pattern left blank */]>;
3291 //===----------------------------------------------------------------------===//
3295 // __aeabi_read_tp preserves the registers r1-r3.
3296 // FIXME: This needs to be a pseudo of some sort so that we can get the
3297 // encoding right, complete with fixup for the aeabi_read_tp function.
3299 Defs = [R0, R12, LR, CPSR] in {
3300 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3301 "bl\t__aeabi_read_tp",
3302 [(set R0, ARMthread_pointer)]>;
3305 //===----------------------------------------------------------------------===//
3306 // SJLJ Exception handling intrinsics
3307 // eh_sjlj_setjmp() is an instruction sequence to store the return
3308 // address and save #0 in R0 for the non-longjmp case.
3309 // Since by its nature we may be coming from some other function to get
3310 // here, and we're using the stack frame for the containing function to
3311 // save/restore registers, we can't keep anything live in regs across
3312 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3313 // when we get here from a longjmp(). We force everthing out of registers
3314 // except for our own input by listing the relevant registers in Defs. By
3315 // doing so, we also cause the prologue/epilogue code to actively preserve
3316 // all of the callee-saved resgisters, which is exactly what we want.
3317 // A constant value is passed in $val, and we use the location as a scratch.
3319 // These are pseudo-instructions and are lowered to individual MC-insts, so
3320 // no encoding information is necessary.
3322 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3323 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3324 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3325 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3326 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3327 AddrModeNone, SizeSpecial, IndexModeNone,
3328 Pseudo, NoItinerary, "", "",
3329 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3330 Requires<[IsARM, HasVFP2]>;
3334 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3335 hasSideEffects = 1, isBarrier = 1 in {
3336 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3337 AddrModeNone, SizeSpecial, IndexModeNone,
3338 Pseudo, NoItinerary, "", "",
3339 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3340 Requires<[IsARM, NoVFP]>;
3343 // FIXME: Non-Darwin version(s)
3344 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3345 Defs = [ R7, LR, SP ] in {
3346 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3347 AddrModeNone, SizeSpecial, IndexModeNone,
3348 Pseudo, NoItinerary, "", "",
3349 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3350 Requires<[IsARM, IsDarwin]>;
3353 // eh.sjlj.dispatchsetup pseudo-instruction.
3354 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3355 // handled when the pseudo is expanded (which happens before any passes
3356 // that need the instruction size).
3357 let isBarrier = 1, hasSideEffects = 1 in
3358 def Int_eh_sjlj_dispatchsetup :
3359 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3360 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3361 Requires<[IsDarwin]>;
3363 //===----------------------------------------------------------------------===//
3364 // Non-Instruction Patterns
3367 // Large immediate handling.
3369 // 32-bit immediate using two piece so_imms or movw + movt.
3370 // This is a single pseudo instruction, the benefit is that it can be remat'd
3371 // as a single unit instead of having to handle reg inputs.
3372 // FIXME: Remove this when we can do generalized remat.
3373 let isReMaterializable = 1, isMoveImm = 1 in
3374 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3375 [(set GPR:$dst, (arm_i32imm:$src))]>,
3378 // ConstantPool, GlobalAddress, and JumpTable
3379 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3380 Requires<[IsARM, DontUseMovt]>;
3381 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3382 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3383 Requires<[IsARM, UseMovt]>;
3384 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3385 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3387 // TODO: add,sub,and, 3-instr forms?
3390 def : ARMPat<(ARMtcret tcGPR:$dst),
3391 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3393 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3394 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3396 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3397 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3399 def : ARMPat<(ARMtcret tcGPR:$dst),
3400 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3402 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3403 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3405 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3406 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3409 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3410 Requires<[IsARM, IsNotDarwin]>;
3411 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3412 Requires<[IsARM, IsDarwin]>;
3414 // zextload i1 -> zextload i8
3415 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3416 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3418 // extload -> zextload
3419 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3420 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3421 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3422 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3424 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3426 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3427 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3430 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3431 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3432 (SMULBB GPR:$a, GPR:$b)>;
3433 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3434 (SMULBB GPR:$a, GPR:$b)>;
3435 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3436 (sra GPR:$b, (i32 16))),
3437 (SMULBT GPR:$a, GPR:$b)>;
3438 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3439 (SMULBT GPR:$a, GPR:$b)>;
3440 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3441 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3442 (SMULTB GPR:$a, GPR:$b)>;
3443 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3444 (SMULTB GPR:$a, GPR:$b)>;
3445 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3447 (SMULWB GPR:$a, GPR:$b)>;
3448 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3449 (SMULWB GPR:$a, GPR:$b)>;
3451 def : ARMV5TEPat<(add GPR:$acc,
3452 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3453 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3454 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3455 def : ARMV5TEPat<(add GPR:$acc,
3456 (mul sext_16_node:$a, sext_16_node:$b)),
3457 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3458 def : ARMV5TEPat<(add GPR:$acc,
3459 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3460 (sra GPR:$b, (i32 16)))),
3461 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3462 def : ARMV5TEPat<(add GPR:$acc,
3463 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3464 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3465 def : ARMV5TEPat<(add GPR:$acc,
3466 (mul (sra GPR:$a, (i32 16)),
3467 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3468 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3469 def : ARMV5TEPat<(add GPR:$acc,
3470 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3471 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3472 def : ARMV5TEPat<(add GPR:$acc,
3473 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3475 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3476 def : ARMV5TEPat<(add GPR:$acc,
3477 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3478 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3480 //===----------------------------------------------------------------------===//
3484 include "ARMInstrThumb.td"
3486 //===----------------------------------------------------------------------===//
3490 include "ARMInstrThumb2.td"
3492 //===----------------------------------------------------------------------===//
3493 // Floating Point Support
3496 include "ARMInstrVFP.td"
3498 //===----------------------------------------------------------------------===//
3499 // Advanced SIMD (NEON) Support
3502 include "ARMInstrNEON.td"
3504 //===----------------------------------------------------------------------===//
3505 // Coprocessor Instructions. For disassembly only.
3508 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3509 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3510 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3511 [/* For disassembly only; pattern left blank */]> {
3515 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3516 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3517 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3518 [/* For disassembly only; pattern left blank */]> {
3519 let Inst{31-28} = 0b1111;
3523 class ACI<dag oops, dag iops, string opc, string asm>
3524 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3525 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3526 let Inst{27-25} = 0b110;
3529 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3531 def _OFFSET : ACI<(outs),
3532 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3533 opc, "\tp$cop, cr$CRd, $addr"> {
3534 let Inst{31-28} = op31_28;
3535 let Inst{24} = 1; // P = 1
3536 let Inst{21} = 0; // W = 0
3537 let Inst{22} = 0; // D = 0
3538 let Inst{20} = load;
3541 def _PRE : ACI<(outs),
3542 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3543 opc, "\tp$cop, cr$CRd, $addr!"> {
3544 let Inst{31-28} = op31_28;
3545 let Inst{24} = 1; // P = 1
3546 let Inst{21} = 1; // W = 1
3547 let Inst{22} = 0; // D = 0
3548 let Inst{20} = load;
3551 def _POST : ACI<(outs),
3552 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3553 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3554 let Inst{31-28} = op31_28;
3555 let Inst{24} = 0; // P = 0
3556 let Inst{21} = 1; // W = 1
3557 let Inst{22} = 0; // D = 0
3558 let Inst{20} = load;
3561 def _OPTION : ACI<(outs),
3562 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3563 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3564 let Inst{31-28} = op31_28;
3565 let Inst{24} = 0; // P = 0
3566 let Inst{23} = 1; // U = 1
3567 let Inst{21} = 0; // W = 0
3568 let Inst{22} = 0; // D = 0
3569 let Inst{20} = load;
3572 def L_OFFSET : ACI<(outs),
3573 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3574 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3575 let Inst{31-28} = op31_28;
3576 let Inst{24} = 1; // P = 1
3577 let Inst{21} = 0; // W = 0
3578 let Inst{22} = 1; // D = 1
3579 let Inst{20} = load;
3582 def L_PRE : ACI<(outs),
3583 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3584 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3585 let Inst{31-28} = op31_28;
3586 let Inst{24} = 1; // P = 1
3587 let Inst{21} = 1; // W = 1
3588 let Inst{22} = 1; // D = 1
3589 let Inst{20} = load;
3592 def L_POST : ACI<(outs),
3593 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3594 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3595 let Inst{31-28} = op31_28;
3596 let Inst{24} = 0; // P = 0
3597 let Inst{21} = 1; // W = 1
3598 let Inst{22} = 1; // D = 1
3599 let Inst{20} = load;
3602 def L_OPTION : ACI<(outs),
3603 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3604 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3605 let Inst{31-28} = op31_28;
3606 let Inst{24} = 0; // P = 0
3607 let Inst{23} = 1; // U = 1
3608 let Inst{21} = 0; // W = 0
3609 let Inst{22} = 1; // D = 1
3610 let Inst{20} = load;
3614 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3615 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3616 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3617 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3619 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3620 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3621 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3622 [/* For disassembly only; pattern left blank */]> {
3627 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3628 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3629 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3630 [/* For disassembly only; pattern left blank */]> {
3631 let Inst{31-28} = 0b1111;
3636 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3637 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3638 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3639 [/* For disassembly only; pattern left blank */]> {
3644 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3645 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3646 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3647 [/* For disassembly only; pattern left blank */]> {
3648 let Inst{31-28} = 0b1111;
3653 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3654 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3655 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3656 [/* For disassembly only; pattern left blank */]> {
3657 let Inst{23-20} = 0b0100;
3660 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3661 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3662 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3663 [/* For disassembly only; pattern left blank */]> {
3664 let Inst{31-28} = 0b1111;
3665 let Inst{23-20} = 0b0100;
3668 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3669 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3670 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3671 [/* For disassembly only; pattern left blank */]> {
3672 let Inst{23-20} = 0b0101;
3675 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3676 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3677 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3678 [/* For disassembly only; pattern left blank */]> {
3679 let Inst{31-28} = 0b1111;
3680 let Inst{23-20} = 0b0101;
3683 //===----------------------------------------------------------------------===//
3684 // Move between special register and ARM core register -- for disassembly only
3687 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3688 [/* For disassembly only; pattern left blank */]> {
3689 let Inst{23-20} = 0b0000;
3690 let Inst{7-4} = 0b0000;
3693 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3694 [/* For disassembly only; pattern left blank */]> {
3695 let Inst{23-20} = 0b0100;
3696 let Inst{7-4} = 0b0000;
3699 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3700 "msr", "\tcpsr$mask, $src",
3701 [/* For disassembly only; pattern left blank */]> {
3702 let Inst{23-20} = 0b0010;
3703 let Inst{7-4} = 0b0000;
3706 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3707 "msr", "\tcpsr$mask, $a",
3708 [/* For disassembly only; pattern left blank */]> {
3709 let Inst{23-20} = 0b0010;
3710 let Inst{7-4} = 0b0000;
3713 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3714 "msr", "\tspsr$mask, $src",
3715 [/* For disassembly only; pattern left blank */]> {
3716 let Inst{23-20} = 0b0110;
3717 let Inst{7-4} = 0b0000;
3720 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3721 "msr", "\tspsr$mask, $a",
3722 [/* For disassembly only; pattern left blank */]> {
3723 let Inst{23-20} = 0b0110;
3724 let Inst{7-4} = 0b0000;