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, SDNPOutGlue]>;
76 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
77 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
79 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
82 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
85 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
89 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
90 [SDNPHasChain, SDNPOptInGlue]>;
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, SDNPInGlue, SDNPOutGlue]>;
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 [SDNPOutGlue, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
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, SDNPOptInGlue, 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 HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
160 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
161 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
163 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
165 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
167 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
168 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
169 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
170 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
171 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
172 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
173 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
174 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
176 // FIXME: Eventually this will be just "hasV6T2Ops".
177 def UseMovt : Predicate<"Subtarget->useMovt()">;
178 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
179 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
181 //===----------------------------------------------------------------------===//
182 // ARM Flag Definitions.
184 class RegConstraint<string C> {
185 string Constraints = C;
188 //===----------------------------------------------------------------------===//
189 // ARM specific transformation functions and pattern fragments.
192 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
193 // so_imm_neg def below.
194 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
195 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
198 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
199 // so_imm_not def below.
200 def so_imm_not_XFORM : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
204 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
205 def imm1_15 : PatLeaf<(i32 imm), [{
206 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
209 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
210 def imm16_31 : PatLeaf<(i32 imm), [{
211 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
216 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
217 }], so_imm_neg_XFORM>;
221 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
222 }], so_imm_not_XFORM>;
224 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
225 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
226 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
229 /// Split a 32-bit immediate into two 16 bit parts.
230 def hi16 : SDNodeXForm<imm, [{
231 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
234 def lo16AllZero : PatLeaf<(i32 imm), [{
235 // Returns true if all low 16-bits are 0.
236 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
239 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
241 def imm0_65535 : PatLeaf<(i32 imm), [{
242 return (uint32_t)N->getZExtValue() < 65536;
245 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
246 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
248 /// adde and sube predicates - True based on whether the carry flag output
249 /// will be needed or not.
250 def adde_dead_carry :
251 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
252 [{return !N->hasAnyUseOfValue(1);}]>;
253 def sube_dead_carry :
254 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
255 [{return !N->hasAnyUseOfValue(1);}]>;
256 def adde_live_carry :
257 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
258 [{return N->hasAnyUseOfValue(1);}]>;
259 def sube_live_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
261 [{return N->hasAnyUseOfValue(1);}]>;
263 // An 'and' node with a single use.
264 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
265 return N->hasOneUse();
268 // An 'xor' node with a single use.
269 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
270 return N->hasOneUse();
273 // An 'fmul' node with a single use.
274 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
275 return N->hasOneUse();
278 // An 'fadd' node which checks for single non-hazardous use.
279 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
280 return hasNoVMLxHazardUse(N);
283 // An 'fsub' node which checks for single non-hazardous use.
284 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
285 return hasNoVMLxHazardUse(N);
288 //===----------------------------------------------------------------------===//
289 // Operand Definitions.
293 def brtarget : Operand<OtherVT> {
294 let EncoderMethod = "getBranchTargetOpValue";
297 def uncondbrtarget : Operand<OtherVT> {
298 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
302 def bltarget : Operand<i32> {
303 // Encoded the same as branch targets.
304 let EncoderMethod = "getBranchTargetOpValue";
307 // A list of registers separated by comma. Used by load/store multiple.
308 def RegListAsmOperand : AsmOperandClass {
309 let Name = "RegList";
310 let SuperClasses = [];
313 def DPRRegListAsmOperand : AsmOperandClass {
314 let Name = "DPRRegList";
315 let SuperClasses = [];
318 def SPRRegListAsmOperand : AsmOperandClass {
319 let Name = "SPRRegList";
320 let SuperClasses = [];
323 def reglist : Operand<i32> {
324 let EncoderMethod = "getRegisterListOpValue";
325 let ParserMatchClass = RegListAsmOperand;
326 let PrintMethod = "printRegisterList";
329 def dpr_reglist : Operand<i32> {
330 let EncoderMethod = "getRegisterListOpValue";
331 let ParserMatchClass = DPRRegListAsmOperand;
332 let PrintMethod = "printRegisterList";
335 def spr_reglist : Operand<i32> {
336 let EncoderMethod = "getRegisterListOpValue";
337 let ParserMatchClass = SPRRegListAsmOperand;
338 let PrintMethod = "printRegisterList";
341 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
342 def cpinst_operand : Operand<i32> {
343 let PrintMethod = "printCPInstOperand";
347 def pclabel : Operand<i32> {
348 let PrintMethod = "printPCLabel";
351 // ADR instruction labels.
352 def adrlabel : Operand<i32> {
353 let EncoderMethod = "getAdrLabelOpValue";
356 def neon_vcvt_imm32 : Operand<i32> {
357 let EncoderMethod = "getNEONVcvtImm32OpValue";
360 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
361 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
362 int32_t v = (int32_t)N->getZExtValue();
363 return v == 8 || v == 16 || v == 24; }]> {
364 let EncoderMethod = "getRotImmOpValue";
367 // shift_imm: An integer that encodes a shift amount and the type of shift
368 // (currently either asr or lsl) using the same encoding used for the
369 // immediates in so_reg operands.
370 def shift_imm : Operand<i32> {
371 let PrintMethod = "printShiftImmOperand";
374 // shifter_operand operands: so_reg and so_imm.
375 def so_reg : Operand<i32>, // reg reg imm
376 ComplexPattern<i32, 3, "SelectShifterOperandReg",
377 [shl,srl,sra,rotr]> {
378 let EncoderMethod = "getSORegOpValue";
379 let PrintMethod = "printSORegOperand";
380 let MIOperandInfo = (ops GPR, GPR, i32imm);
382 def shift_so_reg : Operand<i32>, // reg reg imm
383 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
384 [shl,srl,sra,rotr]> {
385 let EncoderMethod = "getSORegOpValue";
386 let PrintMethod = "printSORegOperand";
387 let MIOperandInfo = (ops GPR, GPR, i32imm);
390 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
391 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
392 // represented in the imm field in the same 12-bit form that they are encoded
393 // into so_imm instructions: the 8-bit immediate is the least significant bits
394 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
395 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
396 let EncoderMethod = "getSOImmOpValue";
397 let PrintMethod = "printSOImmOperand";
400 // Break so_imm's up into two pieces. This handles immediates with up to 16
401 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
402 // get the first/second pieces.
403 def so_imm2part : PatLeaf<(imm), [{
404 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
407 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
409 def arm_i32imm : PatLeaf<(imm), [{
410 if (Subtarget->hasV6T2Ops())
412 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
415 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
416 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
417 return (int32_t)N->getZExtValue() < 32;
420 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
421 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
422 return (int32_t)N->getZExtValue() < 32;
424 let EncoderMethod = "getImmMinusOneOpValue";
427 // For movt/movw - sets the MC Encoder method.
428 // The imm is split into imm{15-12}, imm{11-0}
430 def movt_imm : Operand<i32> {
431 let EncoderMethod = "getMovtImmOpValue";
434 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
436 def bf_inv_mask_imm : Operand<i32>,
438 return ARM::isBitFieldInvertedMask(N->getZExtValue());
440 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
441 let PrintMethod = "printBitfieldInvMaskImmOperand";
444 // Define ARM specific addressing modes.
447 // addrmode_imm12 := reg +/- imm12
449 def addrmode_imm12 : Operand<i32>,
450 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
451 // 12-bit immediate operand. Note that instructions using this encode
452 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
453 // immediate values are as normal.
455 let EncoderMethod = "getAddrModeImm12OpValue";
456 let PrintMethod = "printAddrModeImm12Operand";
457 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
459 // ldst_so_reg := reg +/- reg shop imm
461 def ldst_so_reg : Operand<i32>,
462 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
463 let EncoderMethod = "getLdStSORegOpValue";
464 // FIXME: Simplify the printer
465 let PrintMethod = "printAddrMode2Operand";
466 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
469 // addrmode2 := reg +/- imm12
470 // := reg +/- reg shop imm
472 def addrmode2 : Operand<i32>,
473 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
474 let EncoderMethod = "getAddrMode2OpValue";
475 let PrintMethod = "printAddrMode2Operand";
476 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
479 def am2offset : Operand<i32>,
480 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
481 [], [SDNPWantRoot]> {
482 let EncoderMethod = "getAddrMode2OffsetOpValue";
483 let PrintMethod = "printAddrMode2OffsetOperand";
484 let MIOperandInfo = (ops GPR, i32imm);
487 // addrmode3 := reg +/- reg
488 // addrmode3 := reg +/- imm8
490 def addrmode3 : Operand<i32>,
491 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
492 let EncoderMethod = "getAddrMode3OpValue";
493 let PrintMethod = "printAddrMode3Operand";
494 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
497 def am3offset : Operand<i32>,
498 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
499 [], [SDNPWantRoot]> {
500 let EncoderMethod = "getAddrMode3OffsetOpValue";
501 let PrintMethod = "printAddrMode3OffsetOperand";
502 let MIOperandInfo = (ops GPR, i32imm);
505 // ldstm_mode := {ia, ib, da, db}
507 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
508 let EncoderMethod = "getLdStmModeOpValue";
509 let PrintMethod = "printLdStmModeOperand";
512 def MemMode5AsmOperand : AsmOperandClass {
513 let Name = "MemMode5";
514 let SuperClasses = [];
517 // addrmode5 := reg +/- imm8*4
519 def addrmode5 : Operand<i32>,
520 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
521 let PrintMethod = "printAddrMode5Operand";
522 let MIOperandInfo = (ops GPR:$base, i32imm);
523 let ParserMatchClass = MemMode5AsmOperand;
524 let EncoderMethod = "getAddrMode5OpValue";
527 // addrmode6 := reg with optional writeback
529 def addrmode6 : Operand<i32>,
530 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
531 let PrintMethod = "printAddrMode6Operand";
532 let MIOperandInfo = (ops GPR:$addr, i32imm);
533 let EncoderMethod = "getAddrMode6AddressOpValue";
536 def am6offset : Operand<i32> {
537 let PrintMethod = "printAddrMode6OffsetOperand";
538 let MIOperandInfo = (ops GPR);
539 let EncoderMethod = "getAddrMode6OffsetOpValue";
542 // Special version of addrmode6 to handle alignment encoding for VLD-dup
543 // instructions, specifically VLD4-dup.
544 def addrmode6dup : Operand<i32>,
545 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
546 let PrintMethod = "printAddrMode6Operand";
547 let MIOperandInfo = (ops GPR:$addr, i32imm);
548 let EncoderMethod = "getAddrMode6DupAddressOpValue";
551 // addrmodepc := pc + reg
553 def addrmodepc : Operand<i32>,
554 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
555 let PrintMethod = "printAddrModePCOperand";
556 let MIOperandInfo = (ops GPR, i32imm);
559 def nohash_imm : Operand<i32> {
560 let PrintMethod = "printNoHashImmediate";
563 //===----------------------------------------------------------------------===//
565 include "ARMInstrFormats.td"
567 //===----------------------------------------------------------------------===//
568 // Multiclass helpers...
571 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
572 /// binop that produces a value.
573 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
574 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
575 PatFrag opnode, bit Commutable = 0> {
576 // The register-immediate version is re-materializable. This is useful
577 // in particular for taking the address of a local.
578 let isReMaterializable = 1 in {
579 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
580 iii, opc, "\t$Rd, $Rn, $imm",
581 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
586 let Inst{19-16} = Rn;
587 let Inst{15-12} = Rd;
588 let Inst{11-0} = imm;
591 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
592 iir, opc, "\t$Rd, $Rn, $Rm",
593 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
598 let isCommutable = Commutable;
599 let Inst{19-16} = Rn;
600 let Inst{15-12} = Rd;
601 let Inst{11-4} = 0b00000000;
604 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
605 iis, opc, "\t$Rd, $Rn, $shift",
606 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
611 let Inst{19-16} = Rn;
612 let Inst{15-12} = Rd;
613 let Inst{11-0} = shift;
617 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
618 /// instruction modifies the CPSR register.
619 let Defs = [CPSR] in {
620 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
621 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
622 PatFrag opnode, bit Commutable = 0> {
623 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
624 iii, opc, "\t$Rd, $Rn, $imm",
625 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
631 let Inst{19-16} = Rn;
632 let Inst{15-12} = Rd;
633 let Inst{11-0} = imm;
635 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
636 iir, opc, "\t$Rd, $Rn, $Rm",
637 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
641 let isCommutable = Commutable;
644 let Inst{19-16} = Rn;
645 let Inst{15-12} = Rd;
646 let Inst{11-4} = 0b00000000;
649 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
650 iis, opc, "\t$Rd, $Rn, $shift",
651 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
657 let Inst{19-16} = Rn;
658 let Inst{15-12} = Rd;
659 let Inst{11-0} = shift;
664 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
665 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
666 /// a explicit result, only implicitly set CPSR.
667 let isCompare = 1, Defs = [CPSR] in {
668 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
669 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
670 PatFrag opnode, bit Commutable = 0> {
671 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
673 [(opnode GPR:$Rn, so_imm:$imm)]> {
678 let Inst{19-16} = Rn;
679 let Inst{15-12} = 0b0000;
680 let Inst{11-0} = imm;
682 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
684 [(opnode GPR:$Rn, GPR:$Rm)]> {
687 let isCommutable = Commutable;
690 let Inst{19-16} = Rn;
691 let Inst{15-12} = 0b0000;
692 let Inst{11-4} = 0b00000000;
695 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
696 opc, "\t$Rn, $shift",
697 [(opnode GPR:$Rn, so_reg:$shift)]> {
702 let Inst{19-16} = Rn;
703 let Inst{15-12} = 0b0000;
704 let Inst{11-0} = shift;
709 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
710 /// register and one whose operand is a register rotated by 8/16/24.
711 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
712 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
713 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
714 IIC_iEXTr, opc, "\t$Rd, $Rm",
715 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
716 Requires<[IsARM, HasV6]> {
719 let Inst{19-16} = 0b1111;
720 let Inst{15-12} = Rd;
721 let Inst{11-10} = 0b00;
724 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
725 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
726 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
727 Requires<[IsARM, HasV6]> {
731 let Inst{19-16} = 0b1111;
732 let Inst{15-12} = Rd;
733 let Inst{11-10} = rot;
738 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
739 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
740 IIC_iEXTr, opc, "\t$Rd, $Rm",
741 [/* For disassembly only; pattern left blank */]>,
742 Requires<[IsARM, HasV6]> {
743 let Inst{19-16} = 0b1111;
744 let Inst{11-10} = 0b00;
746 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
747 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
748 [/* For disassembly only; pattern left blank */]>,
749 Requires<[IsARM, HasV6]> {
751 let Inst{19-16} = 0b1111;
752 let Inst{11-10} = rot;
756 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
757 /// register and one whose operand is a register rotated by 8/16/24.
758 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
759 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
760 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
761 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
762 Requires<[IsARM, HasV6]> {
766 let Inst{19-16} = Rn;
767 let Inst{15-12} = Rd;
768 let Inst{11-10} = 0b00;
769 let Inst{9-4} = 0b000111;
772 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
774 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
775 [(set GPR:$Rd, (opnode GPR:$Rn,
776 (rotr GPR:$Rm, rot_imm:$rot)))]>,
777 Requires<[IsARM, HasV6]> {
782 let Inst{19-16} = Rn;
783 let Inst{15-12} = Rd;
784 let Inst{11-10} = rot;
785 let Inst{9-4} = 0b000111;
790 // For disassembly only.
791 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
792 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
793 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
794 [/* For disassembly only; pattern left blank */]>,
795 Requires<[IsARM, HasV6]> {
796 let Inst{11-10} = 0b00;
798 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
800 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
801 [/* For disassembly only; pattern left blank */]>,
802 Requires<[IsARM, HasV6]> {
805 let Inst{19-16} = Rn;
806 let Inst{11-10} = rot;
810 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
811 let Uses = [CPSR] in {
812 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
813 bit Commutable = 0> {
814 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
815 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
816 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
822 let Inst{15-12} = Rd;
823 let Inst{19-16} = Rn;
824 let Inst{11-0} = imm;
826 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
827 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
828 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
833 let Inst{11-4} = 0b00000000;
835 let isCommutable = Commutable;
837 let Inst{15-12} = Rd;
838 let Inst{19-16} = Rn;
840 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
841 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
842 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
848 let Inst{11-0} = shift;
849 let Inst{15-12} = Rd;
850 let Inst{19-16} = Rn;
853 // Carry setting variants
854 let Defs = [CPSR] in {
855 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
856 bit Commutable = 0> {
857 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
858 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
859 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
864 let Inst{15-12} = Rd;
865 let Inst{19-16} = Rn;
866 let Inst{11-0} = imm;
870 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
871 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
872 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
877 let Inst{11-4} = 0b00000000;
878 let isCommutable = Commutable;
880 let Inst{15-12} = Rd;
881 let Inst{19-16} = Rn;
885 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
886 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
887 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
892 let Inst{11-0} = shift;
893 let Inst{15-12} = Rd;
894 let Inst{19-16} = Rn;
902 let canFoldAsLoad = 1, isReMaterializable = 1 in {
903 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
904 InstrItinClass iir, PatFrag opnode> {
905 // Note: We use the complex addrmode_imm12 rather than just an input
906 // GPR and a constrained immediate so that we can use this to match
907 // frame index references and avoid matching constant pool references.
908 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
909 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
910 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
913 let Inst{23} = addr{12}; // U (add = ('U' == 1))
914 let Inst{19-16} = addr{16-13}; // Rn
915 let Inst{15-12} = Rt;
916 let Inst{11-0} = addr{11-0}; // imm12
918 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
919 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
920 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
923 let Inst{23} = shift{12}; // U (add = ('U' == 1))
924 let Inst{19-16} = shift{16-13}; // Rn
925 let Inst{15-12} = Rt;
926 let Inst{11-0} = shift{11-0};
931 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
932 InstrItinClass iir, PatFrag opnode> {
933 // Note: We use the complex addrmode_imm12 rather than just an input
934 // GPR and a constrained immediate so that we can use this to match
935 // frame index references and avoid matching constant pool references.
936 def i12 : AI2ldst<0b010, 0, isByte, (outs),
937 (ins GPR:$Rt, addrmode_imm12:$addr),
938 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
939 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
942 let Inst{23} = addr{12}; // U (add = ('U' == 1))
943 let Inst{19-16} = addr{16-13}; // Rn
944 let Inst{15-12} = Rt;
945 let Inst{11-0} = addr{11-0}; // imm12
947 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
948 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
949 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
952 let Inst{23} = shift{12}; // U (add = ('U' == 1))
953 let Inst{19-16} = shift{16-13}; // Rn
954 let Inst{15-12} = Rt;
955 let Inst{11-0} = shift{11-0};
958 //===----------------------------------------------------------------------===//
960 //===----------------------------------------------------------------------===//
962 //===----------------------------------------------------------------------===//
963 // Miscellaneous Instructions.
966 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
967 /// the function. The first operand is the ID# for this instruction, the second
968 /// is the index into the MachineConstantPool that this is, the third is the
969 /// size in bytes of this constant pool entry.
970 let neverHasSideEffects = 1, isNotDuplicable = 1 in
971 def CONSTPOOL_ENTRY :
972 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
973 i32imm:$size), NoItinerary, []>;
975 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
976 // from removing one half of the matched pairs. That breaks PEI, which assumes
977 // these will always be in pairs, and asserts if it finds otherwise. Better way?
978 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
980 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
981 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
983 def ADJCALLSTACKDOWN :
984 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
985 [(ARMcallseq_start timm:$amt)]>;
988 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
989 [/* For disassembly only; pattern left blank */]>,
990 Requires<[IsARM, HasV6T2]> {
991 let Inst{27-16} = 0b001100100000;
992 let Inst{15-8} = 0b11110000;
993 let Inst{7-0} = 0b00000000;
996 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
997 [/* For disassembly only; pattern left blank */]>,
998 Requires<[IsARM, HasV6T2]> {
999 let Inst{27-16} = 0b001100100000;
1000 let Inst{15-8} = 0b11110000;
1001 let Inst{7-0} = 0b00000001;
1004 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1005 [/* For disassembly only; pattern left blank */]>,
1006 Requires<[IsARM, HasV6T2]> {
1007 let Inst{27-16} = 0b001100100000;
1008 let Inst{15-8} = 0b11110000;
1009 let Inst{7-0} = 0b00000010;
1012 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1013 [/* For disassembly only; pattern left blank */]>,
1014 Requires<[IsARM, HasV6T2]> {
1015 let Inst{27-16} = 0b001100100000;
1016 let Inst{15-8} = 0b11110000;
1017 let Inst{7-0} = 0b00000011;
1020 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1022 [/* For disassembly only; pattern left blank */]>,
1023 Requires<[IsARM, HasV6]> {
1028 let Inst{15-12} = Rd;
1029 let Inst{19-16} = Rn;
1030 let Inst{27-20} = 0b01101000;
1031 let Inst{7-4} = 0b1011;
1032 let Inst{11-8} = 0b1111;
1035 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1036 [/* For disassembly only; pattern left blank */]>,
1037 Requires<[IsARM, HasV6T2]> {
1038 let Inst{27-16} = 0b001100100000;
1039 let Inst{15-8} = 0b11110000;
1040 let Inst{7-0} = 0b00000100;
1043 // The i32imm operand $val can be used by a debugger to store more information
1044 // about the breakpoint.
1045 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1046 [/* For disassembly only; pattern left blank */]>,
1049 let Inst{3-0} = val{3-0};
1050 let Inst{19-8} = val{15-4};
1051 let Inst{27-20} = 0b00010010;
1052 let Inst{7-4} = 0b0111;
1055 // Change Processor State is a system instruction -- for disassembly only.
1056 // The singleton $opt operand contains the following information:
1057 // opt{4-0} = mode from Inst{4-0}
1058 // opt{5} = changemode from Inst{17}
1059 // opt{8-6} = AIF from Inst{8-6}
1060 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1061 // FIXME: Integrated assembler will need these split out.
1062 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1063 [/* For disassembly only; pattern left blank */]>,
1065 let Inst{31-28} = 0b1111;
1066 let Inst{27-20} = 0b00010000;
1071 // Preload signals the memory system of possible future data/instruction access.
1072 // These are for disassembly only.
1073 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1075 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1076 !strconcat(opc, "\t$addr"),
1077 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1080 let Inst{31-26} = 0b111101;
1081 let Inst{25} = 0; // 0 for immediate form
1082 let Inst{24} = data;
1083 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1084 let Inst{22} = read;
1085 let Inst{21-20} = 0b01;
1086 let Inst{19-16} = addr{16-13}; // Rn
1087 let Inst{15-12} = Rt;
1088 let Inst{11-0} = addr{11-0}; // imm12
1091 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1092 !strconcat(opc, "\t$shift"),
1093 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1096 let Inst{31-26} = 0b111101;
1097 let Inst{25} = 1; // 1 for register form
1098 let Inst{24} = data;
1099 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1100 let Inst{22} = read;
1101 let Inst{21-20} = 0b01;
1102 let Inst{19-16} = shift{16-13}; // Rn
1103 let Inst{11-0} = shift{11-0};
1107 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1108 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1109 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1111 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1113 [/* For disassembly only; pattern left blank */]>,
1116 let Inst{31-10} = 0b1111000100000001000000;
1121 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1122 [/* For disassembly only; pattern left blank */]>,
1123 Requires<[IsARM, HasV7]> {
1125 let Inst{27-4} = 0b001100100000111100001111;
1126 let Inst{3-0} = opt;
1129 // A5.4 Permanently UNDEFINED instructions.
1130 let isBarrier = 1, isTerminator = 1 in
1131 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1134 let Inst = 0xe7ffdefe;
1137 // Address computation and loads and stores in PIC mode.
1138 let isNotDuplicable = 1 in {
1139 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1140 Size4Bytes, IIC_iALUr,
1141 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1143 let AddedComplexity = 10 in {
1144 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1145 Size4Bytes, IIC_iLoad_r,
1146 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1148 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1149 Size4Bytes, IIC_iLoad_bh_r,
1150 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1152 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1153 Size4Bytes, IIC_iLoad_bh_r,
1154 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1156 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1157 Size4Bytes, IIC_iLoad_bh_r,
1158 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1160 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1161 Size4Bytes, IIC_iLoad_bh_r,
1162 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1164 let AddedComplexity = 10 in {
1165 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1166 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1168 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1169 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1171 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1172 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1174 } // isNotDuplicable = 1
1177 // LEApcrel - Load a pc-relative address into a register without offending the
1179 let neverHasSideEffects = 1, isReMaterializable = 1 in
1180 // The 'adr' mnemonic encodes differently if the label is before or after
1181 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1182 // know until then which form of the instruction will be used.
1183 def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
1184 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1187 let Inst{27-25} = 0b001;
1189 let Inst{19-16} = 0b1111;
1190 let Inst{15-12} = Rd;
1191 let Inst{11-0} = label;
1193 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1194 Size4Bytes, IIC_iALUi, []>;
1196 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1197 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1198 Size4Bytes, IIC_iALUi, []>;
1200 //===----------------------------------------------------------------------===//
1201 // Control Flow Instructions.
1204 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1206 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1207 "bx", "\tlr", [(ARMretflag)]>,
1208 Requires<[IsARM, HasV4T]> {
1209 let Inst{27-0} = 0b0001001011111111111100011110;
1213 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1214 "mov", "\tpc, lr", [(ARMretflag)]>,
1215 Requires<[IsARM, NoV4T]> {
1216 let Inst{27-0} = 0b0001101000001111000000001110;
1220 // Indirect branches
1221 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1223 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1224 [(brind GPR:$dst)]>,
1225 Requires<[IsARM, HasV4T]> {
1227 let Inst{31-4} = 0b1110000100101111111111110001;
1228 let Inst{3-0} = dst;
1232 // FIXME: We would really like to define this as a vanilla ARMPat like:
1233 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1234 // With that, however, we can't set isBranch, isTerminator, etc..
1235 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1236 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1237 Requires<[IsARM, NoV4T]>;
1240 // All calls clobber the non-callee saved registers. SP is marked as
1241 // a use to prevent stack-pointer assignments that appear immediately
1242 // before calls from potentially appearing dead.
1244 // On non-Darwin platforms R9 is callee-saved.
1245 Defs = [R0, R1, R2, R3, R12, LR,
1246 D0, D1, D2, D3, D4, D5, D6, D7,
1247 D16, D17, D18, D19, D20, D21, D22, D23,
1248 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1250 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1251 IIC_Br, "bl\t$func",
1252 [(ARMcall tglobaladdr:$func)]>,
1253 Requires<[IsARM, IsNotDarwin]> {
1254 let Inst{31-28} = 0b1110;
1256 let Inst{23-0} = func;
1259 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1260 IIC_Br, "bl", "\t$func",
1261 [(ARMcall_pred tglobaladdr:$func)]>,
1262 Requires<[IsARM, IsNotDarwin]> {
1264 let Inst{23-0} = func;
1268 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1269 IIC_Br, "blx\t$func",
1270 [(ARMcall GPR:$func)]>,
1271 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1273 let Inst{31-4} = 0b1110000100101111111111110011;
1274 let Inst{3-0} = func;
1278 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1279 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1280 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1281 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1284 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1285 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1286 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1290 // On Darwin R9 is call-clobbered.
1291 // R7 is marked as a use to prevent frame-pointer assignments from being
1292 // moved above / below calls.
1293 Defs = [R0, R1, R2, R3, R9, R12, LR,
1294 D0, D1, D2, D3, D4, D5, D6, D7,
1295 D16, D17, D18, D19, D20, D21, D22, D23,
1296 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1297 Uses = [R7, SP] in {
1298 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1299 IIC_Br, "bl\t$func",
1300 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1301 let Inst{31-28} = 0b1110;
1303 let Inst{23-0} = func;
1306 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1307 IIC_Br, "bl", "\t$func",
1308 [(ARMcall_pred tglobaladdr:$func)]>,
1309 Requires<[IsARM, IsDarwin]> {
1311 let Inst{23-0} = func;
1315 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1316 IIC_Br, "blx\t$func",
1317 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1319 let Inst{31-4} = 0b1110000100101111111111110011;
1320 let Inst{3-0} = func;
1324 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1325 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1326 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1327 Requires<[IsARM, HasV4T, IsDarwin]>;
1330 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1331 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1332 Requires<[IsARM, NoV4T, IsDarwin]>;
1337 // FIXME: These should probably be xformed into the non-TC versions of the
1338 // instructions as part of MC lowering.
1339 // FIXME: These seem to be used for both Thumb and ARM instruction selection.
1340 // Thumb should have its own version since the instruction is actually
1341 // different, even though the mnemonic is the same.
1342 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1344 let Defs = [R0, R1, R2, R3, R9, R12,
1345 D0, D1, D2, D3, D4, D5, D6, D7,
1346 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1347 D27, D28, D29, D30, D31, PC],
1349 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1350 IIC_Br, []>, Requires<[IsDarwin]>;
1352 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1353 IIC_Br, []>, Requires<[IsDarwin]>;
1355 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1356 IIC_Br, "b\t$dst @ TAILCALL",
1357 []>, Requires<[IsARM, IsDarwin]>;
1359 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1360 IIC_Br, "b.w\t$dst @ TAILCALL",
1361 []>, Requires<[IsThumb, IsDarwin]>;
1363 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1364 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1365 []>, Requires<[IsDarwin]> {
1367 let Inst{31-4} = 0b1110000100101111111111110001;
1368 let Inst{3-0} = dst;
1372 // Non-Darwin versions (the difference is R9).
1373 let Defs = [R0, R1, R2, R3, R12,
1374 D0, D1, D2, D3, D4, D5, D6, D7,
1375 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1376 D27, D28, D29, D30, D31, PC],
1378 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1379 IIC_Br, []>, Requires<[IsNotDarwin]>;
1381 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1382 IIC_Br, []>, Requires<[IsNotDarwin]>;
1384 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1385 IIC_Br, "b\t$dst @ TAILCALL",
1386 []>, Requires<[IsARM, IsNotDarwin]>;
1388 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1389 IIC_Br, "b.w\t$dst @ TAILCALL",
1390 []>, Requires<[IsThumb, IsNotDarwin]>;
1392 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1393 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1394 []>, Requires<[IsNotDarwin]> {
1396 let Inst{31-4} = 0b1110000100101111111111110001;
1397 let Inst{3-0} = dst;
1402 let isBranch = 1, isTerminator = 1 in {
1403 // B is "predicable" since it can be xformed into a Bcc.
1404 let isBarrier = 1 in {
1405 let isPredicable = 1 in
1406 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1407 "b\t$target", [(br bb:$target)]> {
1409 let Inst{31-28} = 0b1110;
1410 let Inst{23-0} = target;
1413 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1414 def BR_JTr : ARMPseudoInst<(outs),
1415 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1416 SizeSpecial, IIC_Br,
1417 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1418 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1419 // into i12 and rs suffixed versions.
1420 def BR_JTm : ARMPseudoInst<(outs),
1421 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1422 SizeSpecial, IIC_Br,
1423 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1425 def BR_JTadd : ARMPseudoInst<(outs),
1426 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1427 SizeSpecial, IIC_Br,
1428 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1430 } // isNotDuplicable = 1, isIndirectBranch = 1
1433 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1434 // a two-value operand where a dag node expects two operands. :(
1435 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1436 IIC_Br, "b", "\t$target",
1437 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1439 let Inst{23-0} = target;
1443 // Branch and Exchange Jazelle -- for disassembly only
1444 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1445 [/* For disassembly only; pattern left blank */]> {
1446 let Inst{23-20} = 0b0010;
1447 //let Inst{19-8} = 0xfff;
1448 let Inst{7-4} = 0b0010;
1451 // Secure Monitor Call is a system instruction -- for disassembly only
1452 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1453 [/* For disassembly only; pattern left blank */]> {
1455 let Inst{23-4} = 0b01100000000000000111;
1456 let Inst{3-0} = opt;
1459 // Supervisor Call (Software Interrupt) -- for disassembly only
1460 let isCall = 1, Uses = [SP] in {
1461 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1462 [/* For disassembly only; pattern left blank */]> {
1464 let Inst{23-0} = svc;
1468 // Store Return State is a system instruction -- for disassembly only
1469 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1470 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1471 NoItinerary, "srs${amode}\tsp!, $mode",
1472 [/* For disassembly only; pattern left blank */]> {
1473 let Inst{31-28} = 0b1111;
1474 let Inst{22-20} = 0b110; // W = 1
1477 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1478 NoItinerary, "srs${amode}\tsp, $mode",
1479 [/* For disassembly only; pattern left blank */]> {
1480 let Inst{31-28} = 0b1111;
1481 let Inst{22-20} = 0b100; // W = 0
1484 // Return From Exception is a system instruction -- for disassembly only
1485 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1486 NoItinerary, "rfe${amode}\t$base!",
1487 [/* For disassembly only; pattern left blank */]> {
1488 let Inst{31-28} = 0b1111;
1489 let Inst{22-20} = 0b011; // W = 1
1492 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1493 NoItinerary, "rfe${amode}\t$base",
1494 [/* For disassembly only; pattern left blank */]> {
1495 let Inst{31-28} = 0b1111;
1496 let Inst{22-20} = 0b001; // W = 0
1498 } // isCodeGenOnly = 1
1500 //===----------------------------------------------------------------------===//
1501 // Load / store Instructions.
1507 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1508 UnOpFrag<(load node:$Src)>>;
1509 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1510 UnOpFrag<(zextloadi8 node:$Src)>>;
1511 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1512 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1513 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1514 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1516 // Special LDR for loads from non-pc-relative constpools.
1517 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1518 isReMaterializable = 1 in
1519 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1520 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1524 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1525 let Inst{19-16} = 0b1111;
1526 let Inst{15-12} = Rt;
1527 let Inst{11-0} = addr{11-0}; // imm12
1530 // Loads with zero extension
1531 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1532 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1533 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1535 // Loads with sign extension
1536 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1537 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1538 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1540 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1541 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1542 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1544 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1545 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1546 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1547 // how to represent that such that tblgen is happy and we don't
1548 // mark this codegen only?
1550 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1551 (ins addrmode3:$addr), LdMiscFrm,
1552 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1553 []>, Requires<[IsARM, HasV5TE]>;
1557 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1558 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1559 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1560 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1562 // {13} 1 == Rm, 0 == imm12
1566 let Inst{25} = addr{13};
1567 let Inst{23} = addr{12};
1568 let Inst{19-16} = addr{17-14};
1569 let Inst{11-0} = addr{11-0};
1571 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1572 (ins GPR:$Rn, am2offset:$offset),
1573 IndexModePost, LdFrm, itin,
1574 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1575 // {13} 1 == Rm, 0 == imm12
1580 let Inst{25} = offset{13};
1581 let Inst{23} = offset{12};
1582 let Inst{19-16} = Rn;
1583 let Inst{11-0} = offset{11-0};
1587 let mayLoad = 1, neverHasSideEffects = 1 in {
1588 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1589 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1592 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1593 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1594 (ins addrmode3:$addr), IndexModePre,
1596 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1598 let Inst{23} = addr{8}; // U bit
1599 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1600 let Inst{19-16} = addr{12-9}; // Rn
1601 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1602 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1604 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1605 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1607 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1610 let Inst{23} = offset{8}; // U bit
1611 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1612 let Inst{19-16} = Rn;
1613 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1614 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1618 let mayLoad = 1, neverHasSideEffects = 1 in {
1619 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1620 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1621 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1622 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1623 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1624 } // mayLoad = 1, neverHasSideEffects = 1
1626 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1627 let mayLoad = 1, neverHasSideEffects = 1 in {
1628 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1629 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1630 LdFrm, IIC_iLoad_ru,
1631 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1632 let Inst{21} = 1; // overwrite
1634 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1635 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1636 LdFrm, IIC_iLoad_bh_ru,
1637 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1638 let Inst{21} = 1; // overwrite
1640 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1641 (ins GPR:$base, am3offset:$offset), IndexModePost,
1642 LdMiscFrm, IIC_iLoad_bh_ru,
1643 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1644 let Inst{21} = 1; // overwrite
1646 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1647 (ins GPR:$base, am3offset:$offset), IndexModePost,
1648 LdMiscFrm, IIC_iLoad_bh_ru,
1649 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1650 let Inst{21} = 1; // overwrite
1652 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1653 (ins GPR:$base, am3offset:$offset), IndexModePost,
1654 LdMiscFrm, IIC_iLoad_bh_ru,
1655 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1656 let Inst{21} = 1; // overwrite
1662 // Stores with truncate
1663 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1664 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1665 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1668 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1669 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1670 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1671 StMiscFrm, IIC_iStore_d_r,
1672 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1675 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1676 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1677 IndexModePre, StFrm, IIC_iStore_ru,
1678 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1680 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1682 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1683 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1684 IndexModePost, StFrm, IIC_iStore_ru,
1685 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1687 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1689 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1690 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1691 IndexModePre, StFrm, IIC_iStore_bh_ru,
1692 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1693 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1694 GPR:$Rn, am2offset:$offset))]>;
1695 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1696 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1697 IndexModePost, StFrm, IIC_iStore_bh_ru,
1698 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1699 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1700 GPR:$Rn, am2offset:$offset))]>;
1702 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1703 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1704 IndexModePre, StMiscFrm, IIC_iStore_ru,
1705 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1707 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1709 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1710 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1711 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1712 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1713 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1714 GPR:$Rn, am3offset:$offset))]>;
1716 // For disassembly only
1717 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1718 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1719 StMiscFrm, IIC_iStore_d_ru,
1720 "strd", "\t$src1, $src2, [$base, $offset]!",
1721 "$base = $base_wb", []>;
1723 // For disassembly only
1724 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1725 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1726 StMiscFrm, IIC_iStore_d_ru,
1727 "strd", "\t$src1, $src2, [$base], $offset",
1728 "$base = $base_wb", []>;
1730 // STRT, STRBT, and STRHT are for disassembly only.
1732 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1733 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1734 IndexModeNone, StFrm, IIC_iStore_ru,
1735 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1736 [/* For disassembly only; pattern left blank */]> {
1737 let Inst{21} = 1; // overwrite
1740 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1741 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1742 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1743 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1744 [/* For disassembly only; pattern left blank */]> {
1745 let Inst{21} = 1; // overwrite
1748 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1749 (ins GPR:$src, GPR:$base,am3offset:$offset),
1750 StMiscFrm, IIC_iStore_bh_ru,
1751 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1752 [/* For disassembly only; pattern left blank */]> {
1753 let Inst{21} = 1; // overwrite
1756 //===----------------------------------------------------------------------===//
1757 // Load / store multiple Instructions.
1760 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1761 InstrItinClass itin, InstrItinClass itin_upd> {
1763 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1764 IndexModeNone, f, itin,
1765 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1766 let Inst{24-23} = 0b01; // Increment After
1767 let Inst{21} = 0; // No writeback
1768 let Inst{20} = L_bit;
1771 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1772 IndexModeUpd, f, itin_upd,
1773 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1774 let Inst{24-23} = 0b01; // Increment After
1775 let Inst{21} = 1; // Writeback
1776 let Inst{20} = L_bit;
1779 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1780 IndexModeNone, f, itin,
1781 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1782 let Inst{24-23} = 0b00; // Decrement After
1783 let Inst{21} = 0; // No writeback
1784 let Inst{20} = L_bit;
1787 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1788 IndexModeUpd, f, itin_upd,
1789 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1790 let Inst{24-23} = 0b00; // Decrement After
1791 let Inst{21} = 1; // Writeback
1792 let Inst{20} = L_bit;
1795 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1796 IndexModeNone, f, itin,
1797 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1798 let Inst{24-23} = 0b10; // Decrement Before
1799 let Inst{21} = 0; // No writeback
1800 let Inst{20} = L_bit;
1803 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1804 IndexModeUpd, f, itin_upd,
1805 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1806 let Inst{24-23} = 0b10; // Decrement Before
1807 let Inst{21} = 1; // Writeback
1808 let Inst{20} = L_bit;
1811 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1812 IndexModeNone, f, itin,
1813 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1814 let Inst{24-23} = 0b11; // Increment Before
1815 let Inst{21} = 0; // No writeback
1816 let Inst{20} = L_bit;
1819 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1820 IndexModeUpd, f, itin_upd,
1821 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1822 let Inst{24-23} = 0b11; // Increment Before
1823 let Inst{21} = 1; // Writeback
1824 let Inst{20} = L_bit;
1828 let neverHasSideEffects = 1 in {
1830 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1831 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1833 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1834 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1836 } // neverHasSideEffects
1838 // Load / Store Multiple Mnemnoic Aliases
1839 def : MnemonicAlias<"ldm", "ldmia">;
1840 def : MnemonicAlias<"stm", "stmia">;
1842 // FIXME: remove when we have a way to marking a MI with these properties.
1843 // FIXME: Should pc be an implicit operand like PICADD, etc?
1844 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1845 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1846 // FIXME: Should be a pseudo-instruction.
1847 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1848 reglist:$regs, variable_ops),
1849 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1850 "ldmia${p}\t$Rn!, $regs",
1852 let Inst{24-23} = 0b01; // Increment After
1853 let Inst{21} = 1; // Writeback
1854 let Inst{20} = 1; // Load
1857 //===----------------------------------------------------------------------===//
1858 // Move Instructions.
1861 let neverHasSideEffects = 1 in
1862 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1863 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1867 let Inst{11-4} = 0b00000000;
1870 let Inst{15-12} = Rd;
1873 // A version for the smaller set of tail call registers.
1874 let neverHasSideEffects = 1 in
1875 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1876 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1880 let Inst{11-4} = 0b00000000;
1883 let Inst{15-12} = Rd;
1886 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1887 DPSoRegFrm, IIC_iMOVsr,
1888 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1892 let Inst{15-12} = Rd;
1893 let Inst{11-0} = src;
1897 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1898 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1899 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1903 let Inst{15-12} = Rd;
1904 let Inst{19-16} = 0b0000;
1905 let Inst{11-0} = imm;
1908 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1909 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins movt_imm:$imm),
1911 "movw", "\t$Rd, $imm",
1912 [(set GPR:$Rd, imm0_65535:$imm)]>,
1913 Requires<[IsARM, HasV6T2]>, UnaryDP {
1916 let Inst{15-12} = Rd;
1917 let Inst{11-0} = imm{11-0};
1918 let Inst{19-16} = imm{15-12};
1923 let Constraints = "$src = $Rd" in
1924 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, movt_imm:$imm),
1926 "movt", "\t$Rd, $imm",
1928 (or (and GPR:$src, 0xffff),
1929 lo16AllZero:$imm))]>, UnaryDP,
1930 Requires<[IsARM, HasV6T2]> {
1933 let Inst{15-12} = Rd;
1934 let Inst{11-0} = imm{11-0};
1935 let Inst{19-16} = imm{15-12};
1940 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1941 Requires<[IsARM, HasV6T2]>;
1943 let Uses = [CPSR] in
1944 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1945 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1948 // These aren't really mov instructions, but we have to define them this way
1949 // due to flag operands.
1951 let Defs = [CPSR] in {
1952 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1953 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1955 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1956 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1960 //===----------------------------------------------------------------------===//
1961 // Extend Instructions.
1966 defm SXTB : AI_ext_rrot<0b01101010,
1967 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1968 defm SXTH : AI_ext_rrot<0b01101011,
1969 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1971 defm SXTAB : AI_exta_rrot<0b01101010,
1972 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1973 defm SXTAH : AI_exta_rrot<0b01101011,
1974 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1976 // For disassembly only
1977 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1979 // For disassembly only
1980 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1984 let AddedComplexity = 16 in {
1985 defm UXTB : AI_ext_rrot<0b01101110,
1986 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1987 defm UXTH : AI_ext_rrot<0b01101111,
1988 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1989 defm UXTB16 : AI_ext_rrot<0b01101100,
1990 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1992 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1993 // The transformation should probably be done as a combiner action
1994 // instead so we can include a check for masking back in the upper
1995 // eight bits of the source into the lower eight bits of the result.
1996 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1997 // (UXTB16r_rot GPR:$Src, 24)>;
1998 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1999 (UXTB16r_rot GPR:$Src, 8)>;
2001 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2002 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2003 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2004 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2007 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2008 // For disassembly only
2009 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2012 def SBFX : I<(outs GPR:$Rd),
2013 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2014 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2015 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2016 Requires<[IsARM, HasV6T2]> {
2021 let Inst{27-21} = 0b0111101;
2022 let Inst{6-4} = 0b101;
2023 let Inst{20-16} = width;
2024 let Inst{15-12} = Rd;
2025 let Inst{11-7} = lsb;
2029 def UBFX : I<(outs GPR:$Rd),
2030 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2031 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2032 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2033 Requires<[IsARM, HasV6T2]> {
2038 let Inst{27-21} = 0b0111111;
2039 let Inst{6-4} = 0b101;
2040 let Inst{20-16} = width;
2041 let Inst{15-12} = Rd;
2042 let Inst{11-7} = lsb;
2046 //===----------------------------------------------------------------------===//
2047 // Arithmetic Instructions.
2050 defm ADD : AsI1_bin_irs<0b0100, "add",
2051 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2052 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2053 defm SUB : AsI1_bin_irs<0b0010, "sub",
2054 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2055 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2057 // ADD and SUB with 's' bit set.
2058 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2059 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2060 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2061 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2062 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2063 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2065 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2066 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2067 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2068 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2069 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2070 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2071 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2072 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2074 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2075 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2076 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2081 let Inst{15-12} = Rd;
2082 let Inst{19-16} = Rn;
2083 let Inst{11-0} = imm;
2086 // The reg/reg form is only defined for the disassembler; for codegen it is
2087 // equivalent to SUBrr.
2088 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2089 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2090 [/* For disassembly only; pattern left blank */]> {
2094 let Inst{11-4} = 0b00000000;
2097 let Inst{15-12} = Rd;
2098 let Inst{19-16} = Rn;
2101 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2102 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2103 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2108 let Inst{11-0} = shift;
2109 let Inst{15-12} = Rd;
2110 let Inst{19-16} = Rn;
2113 // RSB with 's' bit set.
2114 let Defs = [CPSR] in {
2115 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2116 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2117 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2123 let Inst{15-12} = Rd;
2124 let Inst{19-16} = Rn;
2125 let Inst{11-0} = imm;
2127 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2128 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2129 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2135 let Inst{11-0} = shift;
2136 let Inst{15-12} = Rd;
2137 let Inst{19-16} = Rn;
2141 let Uses = [CPSR] in {
2142 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2143 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2144 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2150 let Inst{15-12} = Rd;
2151 let Inst{19-16} = Rn;
2152 let Inst{11-0} = imm;
2154 // The reg/reg form is only defined for the disassembler; for codegen it is
2155 // equivalent to SUBrr.
2156 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2157 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2158 [/* For disassembly only; pattern left blank */]> {
2162 let Inst{11-4} = 0b00000000;
2165 let Inst{15-12} = Rd;
2166 let Inst{19-16} = Rn;
2168 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2169 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2170 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2176 let Inst{11-0} = shift;
2177 let Inst{15-12} = Rd;
2178 let Inst{19-16} = Rn;
2182 // FIXME: Allow these to be predicated.
2183 let Defs = [CPSR], Uses = [CPSR] in {
2184 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2185 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2186 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2193 let Inst{15-12} = Rd;
2194 let Inst{19-16} = Rn;
2195 let Inst{11-0} = imm;
2197 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2198 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2199 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2206 let Inst{11-0} = shift;
2207 let Inst{15-12} = Rd;
2208 let Inst{19-16} = Rn;
2212 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2213 // The assume-no-carry-in form uses the negation of the input since add/sub
2214 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2215 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2217 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2218 (SUBri GPR:$src, so_imm_neg:$imm)>;
2219 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2220 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2221 // The with-carry-in form matches bitwise not instead of the negation.
2222 // Effectively, the inverse interpretation of the carry flag already accounts
2223 // for part of the negation.
2224 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2225 (SBCri GPR:$src, so_imm_not:$imm)>;
2227 // Note: These are implemented in C++ code, because they have to generate
2228 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2230 // (mul X, 2^n+1) -> (add (X << n), X)
2231 // (mul X, 2^n-1) -> (rsb X, (X << n))
2233 // ARM Arithmetic Instruction -- for disassembly only
2234 // GPR:$dst = GPR:$a op GPR:$b
2235 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2236 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2237 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2238 opc, "\t$Rd, $Rn, $Rm", pattern> {
2242 let Inst{27-20} = op27_20;
2243 let Inst{11-4} = op11_4;
2244 let Inst{19-16} = Rn;
2245 let Inst{15-12} = Rd;
2249 // Saturating add/subtract -- for disassembly only
2251 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2252 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2253 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2254 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2255 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2256 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2258 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2259 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2260 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2261 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2262 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2263 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2264 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2265 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2266 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2267 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2268 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2269 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2271 // Signed/Unsigned add/subtract -- for disassembly only
2273 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2274 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2275 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2276 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2277 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2278 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2279 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2280 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2281 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2282 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2283 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2284 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2286 // Signed/Unsigned halving add/subtract -- for disassembly only
2288 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2289 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2290 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2291 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2292 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2293 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2294 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2295 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2296 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2297 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2298 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2299 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2301 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2303 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2304 MulFrm /* for convenience */, NoItinerary, "usad8",
2305 "\t$Rd, $Rn, $Rm", []>,
2306 Requires<[IsARM, HasV6]> {
2310 let Inst{27-20} = 0b01111000;
2311 let Inst{15-12} = 0b1111;
2312 let Inst{7-4} = 0b0001;
2313 let Inst{19-16} = Rd;
2314 let Inst{11-8} = Rm;
2317 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2318 MulFrm /* for convenience */, NoItinerary, "usada8",
2319 "\t$Rd, $Rn, $Rm, $Ra", []>,
2320 Requires<[IsARM, HasV6]> {
2325 let Inst{27-20} = 0b01111000;
2326 let Inst{7-4} = 0b0001;
2327 let Inst{19-16} = Rd;
2328 let Inst{15-12} = Ra;
2329 let Inst{11-8} = Rm;
2333 // Signed/Unsigned saturate -- for disassembly only
2335 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2336 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2337 [/* For disassembly only; pattern left blank */]> {
2342 let Inst{27-21} = 0b0110101;
2343 let Inst{5-4} = 0b01;
2344 let Inst{20-16} = sat_imm;
2345 let Inst{15-12} = Rd;
2346 let Inst{11-7} = sh{7-3};
2347 let Inst{6} = sh{0};
2351 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2352 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2353 [/* For disassembly only; pattern left blank */]> {
2357 let Inst{27-20} = 0b01101010;
2358 let Inst{11-4} = 0b11110011;
2359 let Inst{15-12} = Rd;
2360 let Inst{19-16} = sat_imm;
2364 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2365 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2366 [/* For disassembly only; pattern left blank */]> {
2371 let Inst{27-21} = 0b0110111;
2372 let Inst{5-4} = 0b01;
2373 let Inst{15-12} = Rd;
2374 let Inst{11-7} = sh{7-3};
2375 let Inst{6} = sh{0};
2376 let Inst{20-16} = sat_imm;
2380 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2381 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2382 [/* For disassembly only; pattern left blank */]> {
2386 let Inst{27-20} = 0b01101110;
2387 let Inst{11-4} = 0b11110011;
2388 let Inst{15-12} = Rd;
2389 let Inst{19-16} = sat_imm;
2393 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2394 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2396 //===----------------------------------------------------------------------===//
2397 // Bitwise Instructions.
2400 defm AND : AsI1_bin_irs<0b0000, "and",
2401 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2402 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2403 defm ORR : AsI1_bin_irs<0b1100, "orr",
2404 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2405 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2406 defm EOR : AsI1_bin_irs<0b0001, "eor",
2407 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2408 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2409 defm BIC : AsI1_bin_irs<0b1110, "bic",
2410 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2411 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2413 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2414 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2415 "bfc", "\t$Rd, $imm", "$src = $Rd",
2416 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2417 Requires<[IsARM, HasV6T2]> {
2420 let Inst{27-21} = 0b0111110;
2421 let Inst{6-0} = 0b0011111;
2422 let Inst{15-12} = Rd;
2423 let Inst{11-7} = imm{4-0}; // lsb
2424 let Inst{20-16} = imm{9-5}; // width
2427 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2428 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2429 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2430 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2431 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2432 bf_inv_mask_imm:$imm))]>,
2433 Requires<[IsARM, HasV6T2]> {
2437 let Inst{27-21} = 0b0111110;
2438 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2439 let Inst{15-12} = Rd;
2440 let Inst{11-7} = imm{4-0}; // lsb
2441 let Inst{20-16} = imm{9-5}; // width
2445 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2446 "mvn", "\t$Rd, $Rm",
2447 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2451 let Inst{19-16} = 0b0000;
2452 let Inst{11-4} = 0b00000000;
2453 let Inst{15-12} = Rd;
2456 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2457 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2458 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2462 let Inst{19-16} = 0b0000;
2463 let Inst{15-12} = Rd;
2464 let Inst{11-0} = shift;
2466 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2467 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2468 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2469 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2473 let Inst{19-16} = 0b0000;
2474 let Inst{15-12} = Rd;
2475 let Inst{11-0} = imm;
2478 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2479 (BICri GPR:$src, so_imm_not:$imm)>;
2481 //===----------------------------------------------------------------------===//
2482 // Multiply Instructions.
2484 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2485 string opc, string asm, list<dag> pattern>
2486 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2490 let Inst{19-16} = Rd;
2491 let Inst{11-8} = Rm;
2494 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2495 string opc, string asm, list<dag> pattern>
2496 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2501 let Inst{19-16} = RdHi;
2502 let Inst{15-12} = RdLo;
2503 let Inst{11-8} = Rm;
2507 let isCommutable = 1 in
2508 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2509 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2510 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2512 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2513 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2514 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2516 let Inst{15-12} = Ra;
2519 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2520 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2521 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2522 Requires<[IsARM, HasV6T2]> {
2527 let Inst{19-16} = Rd;
2528 let Inst{15-12} = Ra;
2529 let Inst{11-8} = Rm;
2533 // Extra precision multiplies with low / high results
2535 let neverHasSideEffects = 1 in {
2536 let isCommutable = 1 in {
2537 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2538 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2539 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2541 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2542 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2543 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2546 // Multiply + accumulate
2547 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2548 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2549 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2551 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2552 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2553 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2555 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2556 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2557 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2558 Requires<[IsARM, HasV6]> {
2563 let Inst{19-16} = RdLo;
2564 let Inst{15-12} = RdHi;
2565 let Inst{11-8} = Rm;
2568 } // neverHasSideEffects
2570 // Most significant word multiply
2571 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2572 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2573 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2574 Requires<[IsARM, HasV6]> {
2575 let Inst{15-12} = 0b1111;
2578 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2579 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2580 [/* For disassembly only; pattern left blank */]>,
2581 Requires<[IsARM, HasV6]> {
2582 let Inst{15-12} = 0b1111;
2585 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2586 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2587 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2588 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2589 Requires<[IsARM, HasV6]>;
2591 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2592 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2593 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2594 [/* For disassembly only; pattern left blank */]>,
2595 Requires<[IsARM, HasV6]>;
2597 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2598 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2599 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2600 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2601 Requires<[IsARM, HasV6]>;
2603 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2604 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2605 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2606 [/* For disassembly only; pattern left blank */]>,
2607 Requires<[IsARM, HasV6]>;
2609 multiclass AI_smul<string opc, PatFrag opnode> {
2610 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2611 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2612 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2613 (sext_inreg GPR:$Rm, i16)))]>,
2614 Requires<[IsARM, HasV5TE]>;
2616 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2617 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2618 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2619 (sra GPR:$Rm, (i32 16))))]>,
2620 Requires<[IsARM, HasV5TE]>;
2622 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2623 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2624 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2625 (sext_inreg GPR:$Rm, i16)))]>,
2626 Requires<[IsARM, HasV5TE]>;
2628 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2629 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2630 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2631 (sra GPR:$Rm, (i32 16))))]>,
2632 Requires<[IsARM, HasV5TE]>;
2634 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2635 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2636 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2637 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2638 Requires<[IsARM, HasV5TE]>;
2640 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2641 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2642 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2643 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2644 Requires<[IsARM, HasV5TE]>;
2648 multiclass AI_smla<string opc, PatFrag opnode> {
2649 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2650 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2651 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2652 [(set GPR:$Rd, (add GPR:$Ra,
2653 (opnode (sext_inreg GPR:$Rn, i16),
2654 (sext_inreg GPR:$Rm, i16))))]>,
2655 Requires<[IsARM, HasV5TE]>;
2657 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2658 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2659 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2660 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2661 (sra GPR:$Rm, (i32 16)))))]>,
2662 Requires<[IsARM, HasV5TE]>;
2664 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2665 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2666 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2667 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2668 (sext_inreg GPR:$Rm, i16))))]>,
2669 Requires<[IsARM, HasV5TE]>;
2671 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2672 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2673 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2674 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2675 (sra GPR:$Rm, (i32 16)))))]>,
2676 Requires<[IsARM, HasV5TE]>;
2678 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2679 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2680 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2681 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2682 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2683 Requires<[IsARM, HasV5TE]>;
2685 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2686 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2687 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2688 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2689 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2690 Requires<[IsARM, HasV5TE]>;
2693 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2694 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2696 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2697 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2698 (ins GPR:$Rn, GPR:$Rm),
2699 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2700 [/* For disassembly only; pattern left blank */]>,
2701 Requires<[IsARM, HasV5TE]>;
2703 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2704 (ins GPR:$Rn, GPR:$Rm),
2705 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2706 [/* For disassembly only; pattern left blank */]>,
2707 Requires<[IsARM, HasV5TE]>;
2709 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2710 (ins GPR:$Rn, GPR:$Rm),
2711 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2712 [/* For disassembly only; pattern left blank */]>,
2713 Requires<[IsARM, HasV5TE]>;
2715 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2716 (ins GPR:$Rn, GPR:$Rm),
2717 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2718 [/* For disassembly only; pattern left blank */]>,
2719 Requires<[IsARM, HasV5TE]>;
2721 // Helper class for AI_smld -- for disassembly only
2722 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2723 InstrItinClass itin, string opc, string asm>
2724 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2731 let Inst{21-20} = 0b00;
2732 let Inst{22} = long;
2733 let Inst{27-23} = 0b01110;
2734 let Inst{11-8} = Rm;
2737 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2738 InstrItinClass itin, string opc, string asm>
2739 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2741 let Inst{15-12} = 0b1111;
2742 let Inst{19-16} = Rd;
2744 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2745 InstrItinClass itin, string opc, string asm>
2746 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2748 let Inst{15-12} = Ra;
2750 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2751 InstrItinClass itin, string opc, string asm>
2752 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2755 let Inst{19-16} = RdHi;
2756 let Inst{15-12} = RdLo;
2759 multiclass AI_smld<bit sub, string opc> {
2761 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2762 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2764 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2765 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2767 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2768 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2769 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2771 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2772 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2773 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2777 defm SMLA : AI_smld<0, "smla">;
2778 defm SMLS : AI_smld<1, "smls">;
2780 multiclass AI_sdml<bit sub, string opc> {
2782 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2783 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2784 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2785 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2788 defm SMUA : AI_sdml<0, "smua">;
2789 defm SMUS : AI_sdml<1, "smus">;
2791 //===----------------------------------------------------------------------===//
2792 // Misc. Arithmetic Instructions.
2795 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2796 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2797 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2799 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2800 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2801 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2802 Requires<[IsARM, HasV6T2]>;
2804 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2805 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2806 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2808 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2809 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2811 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2812 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2813 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2814 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2815 Requires<[IsARM, HasV6]>;
2817 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2818 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2821 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2822 (shl GPR:$Rm, (i32 8))), i16))]>,
2823 Requires<[IsARM, HasV6]>;
2825 def lsl_shift_imm : SDNodeXForm<imm, [{
2826 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2827 return CurDAG->getTargetConstant(Sh, MVT::i32);
2830 def lsl_amt : PatLeaf<(i32 imm), [{
2831 return (N->getZExtValue() < 32);
2834 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2835 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2836 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2837 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2838 (and (shl GPR:$Rm, lsl_amt:$sh),
2840 Requires<[IsARM, HasV6]>;
2842 // Alternate cases for PKHBT where identities eliminate some nodes.
2843 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2844 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2845 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2846 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2848 def asr_shift_imm : SDNodeXForm<imm, [{
2849 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2850 return CurDAG->getTargetConstant(Sh, MVT::i32);
2853 def asr_amt : PatLeaf<(i32 imm), [{
2854 return (N->getZExtValue() <= 32);
2857 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2858 // will match the pattern below.
2859 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2860 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2861 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2862 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2863 (and (sra GPR:$Rm, asr_amt:$sh),
2865 Requires<[IsARM, HasV6]>;
2867 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2868 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2869 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2870 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2871 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2872 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2873 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2875 //===----------------------------------------------------------------------===//
2876 // Comparison Instructions...
2879 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2880 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2881 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2883 // ARMcmpZ can re-use the above instruction definitions.
2884 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
2885 (CMPri GPR:$src, so_imm:$imm)>;
2886 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
2887 (CMPrr GPR:$src, GPR:$rhs)>;
2888 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
2889 (CMPrs GPR:$src, so_reg:$rhs)>;
2891 // FIXME: We have to be careful when using the CMN instruction and comparison
2892 // with 0. One would expect these two pieces of code should give identical
2908 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2909 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2910 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2911 // value of r0 and the carry bit (because the "carry bit" parameter to
2912 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2913 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2914 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2915 // parameter to AddWithCarry is defined as 0).
2917 // When x is 0 and unsigned:
2921 // ~x + 1 = 0x1 0000 0000
2922 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2924 // Therefore, we should disable CMN when comparing against zero, until we can
2925 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2926 // when it's a comparison which doesn't look at the 'carry' flag).
2928 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2930 // This is related to <rdar://problem/7569620>.
2932 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2933 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2935 // Note that TST/TEQ don't set all the same flags that CMP does!
2936 defm TST : AI1_cmp_irs<0b1000, "tst",
2937 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2938 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2939 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2940 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2941 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2943 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2944 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2945 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2947 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2948 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2950 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2951 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2953 // Pseudo i64 compares for some floating point compares.
2954 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2956 def BCCi64 : PseudoInst<(outs),
2957 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2959 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2961 def BCCZi64 : PseudoInst<(outs),
2962 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
2963 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2964 } // usesCustomInserter
2967 // Conditional moves
2968 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2969 // a two-value operand where a dag node expects two operands. :(
2970 // FIXME: These should all be pseudo-instructions that get expanded to
2971 // the normal MOV instructions. That would fix the dependency on
2972 // special casing them in tblgen.
2973 let neverHasSideEffects = 1 in {
2974 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2975 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2976 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2977 RegConstraint<"$false = $Rd">, UnaryDP {
2982 let Inst{15-12} = Rd;
2983 let Inst{11-4} = 0b00000000;
2987 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2988 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2989 "mov", "\t$Rd, $shift",
2990 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2991 RegConstraint<"$false = $Rd">, UnaryDP {
2996 let Inst{19-16} = 0;
2997 let Inst{15-12} = Rd;
2998 let Inst{11-0} = shift;
3001 let isMoveImm = 1 in
3002 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, movt_imm:$imm),
3004 "movw", "\t$Rd, $imm",
3006 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3012 let Inst{19-16} = imm{15-12};
3013 let Inst{15-12} = Rd;
3014 let Inst{11-0} = imm{11-0};
3017 let isMoveImm = 1 in
3018 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3019 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3020 "mov", "\t$Rd, $imm",
3021 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3022 RegConstraint<"$false = $Rd">, UnaryDP {
3027 let Inst{19-16} = 0b0000;
3028 let Inst{15-12} = Rd;
3029 let Inst{11-0} = imm;
3032 // Two instruction predicate mov immediate.
3033 let isMoveImm = 1 in
3034 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3035 (ins GPR:$false, i32imm:$src, pred:$p),
3036 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3038 let isMoveImm = 1 in
3039 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3040 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3041 "mvn", "\t$Rd, $imm",
3042 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3043 RegConstraint<"$false = $Rd">, UnaryDP {
3048 let Inst{19-16} = 0b0000;
3049 let Inst{15-12} = Rd;
3050 let Inst{11-0} = imm;
3052 } // neverHasSideEffects
3054 //===----------------------------------------------------------------------===//
3055 // Atomic operations intrinsics
3058 def memb_opt : Operand<i32> {
3059 let PrintMethod = "printMemBOption";
3062 // memory barriers protect the atomic sequences
3063 let hasSideEffects = 1 in {
3064 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3065 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3066 Requires<[IsARM, HasDB]> {
3068 let Inst{31-4} = 0xf57ff05;
3069 let Inst{3-0} = opt;
3072 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3073 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3074 [(ARMMemBarrierMCR GPR:$zero)]>,
3075 Requires<[IsARM, HasV6]> {
3076 // FIXME: add encoding
3080 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3082 [/* For disassembly only; pattern left blank */]>,
3083 Requires<[IsARM, HasDB]> {
3085 let Inst{31-4} = 0xf57ff04;
3086 let Inst{3-0} = opt;
3089 // ISB has only full system option -- for disassembly only
3090 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3091 Requires<[IsARM, HasDB]> {
3092 let Inst{31-4} = 0xf57ff06;
3093 let Inst{3-0} = 0b1111;
3096 let usesCustomInserter = 1 in {
3097 let Uses = [CPSR] in {
3098 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3099 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3100 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3101 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3102 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3103 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3104 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3105 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3106 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3107 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3108 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3109 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3110 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3111 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3112 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3113 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3114 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3115 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3116 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3117 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3118 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3119 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3120 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3121 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3122 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3123 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3124 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3125 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3126 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3127 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3128 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3129 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3130 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3131 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3132 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3133 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3134 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3135 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3136 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3137 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3138 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3139 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3140 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3141 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3142 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3143 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3144 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3145 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3146 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3147 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3148 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3149 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3150 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3151 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3153 def ATOMIC_SWAP_I8 : PseudoInst<
3154 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3155 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3156 def ATOMIC_SWAP_I16 : PseudoInst<
3157 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3158 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3159 def ATOMIC_SWAP_I32 : PseudoInst<
3160 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3161 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3163 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3164 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3165 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3166 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3167 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3168 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3169 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3170 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3171 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3175 let mayLoad = 1 in {
3176 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3177 "ldrexb", "\t$Rt, [$Rn]",
3179 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3180 "ldrexh", "\t$Rt, [$Rn]",
3182 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3183 "ldrex", "\t$Rt, [$Rn]",
3185 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3187 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3191 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3192 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3194 "strexb", "\t$Rd, $src, [$Rn]",
3196 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3198 "strexh", "\t$Rd, $Rt, [$Rn]",
3200 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3202 "strex", "\t$Rd, $Rt, [$Rn]",
3204 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3205 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3207 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3211 // Clear-Exclusive is for disassembly only.
3212 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3213 [/* For disassembly only; pattern left blank */]>,
3214 Requires<[IsARM, HasV7]> {
3215 let Inst{31-0} = 0b11110101011111111111000000011111;
3218 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3219 let mayLoad = 1 in {
3220 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3221 [/* For disassembly only; pattern left blank */]>;
3222 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3223 [/* For disassembly only; pattern left blank */]>;
3226 //===----------------------------------------------------------------------===//
3230 // __aeabi_read_tp preserves the registers r1-r3.
3231 // This is a pseudo inst so that we can get the encoding right,
3232 // complete with fixup for the aeabi_read_tp function.
3234 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3235 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3236 [(set R0, ARMthread_pointer)]>;
3239 //===----------------------------------------------------------------------===//
3240 // SJLJ Exception handling intrinsics
3241 // eh_sjlj_setjmp() is an instruction sequence to store the return
3242 // address and save #0 in R0 for the non-longjmp case.
3243 // Since by its nature we may be coming from some other function to get
3244 // here, and we're using the stack frame for the containing function to
3245 // save/restore registers, we can't keep anything live in regs across
3246 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3247 // when we get here from a longjmp(). We force everthing out of registers
3248 // except for our own input by listing the relevant registers in Defs. By
3249 // doing so, we also cause the prologue/epilogue code to actively preserve
3250 // all of the callee-saved resgisters, which is exactly what we want.
3251 // A constant value is passed in $val, and we use the location as a scratch.
3253 // These are pseudo-instructions and are lowered to individual MC-insts, so
3254 // no encoding information is necessary.
3256 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3257 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3258 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3259 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3260 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3262 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3263 Requires<[IsARM, HasVFP2]>;
3267 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3268 hasSideEffects = 1, isBarrier = 1 in {
3269 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3271 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3272 Requires<[IsARM, NoVFP]>;
3275 // FIXME: Non-Darwin version(s)
3276 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3277 Defs = [ R7, LR, SP ] in {
3278 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3280 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3281 Requires<[IsARM, IsDarwin]>;
3284 // eh.sjlj.dispatchsetup pseudo-instruction.
3285 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3286 // handled when the pseudo is expanded (which happens before any passes
3287 // that need the instruction size).
3288 let isBarrier = 1, hasSideEffects = 1 in
3289 def Int_eh_sjlj_dispatchsetup :
3290 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3291 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3292 Requires<[IsDarwin]>;
3294 //===----------------------------------------------------------------------===//
3295 // Non-Instruction Patterns
3298 // Large immediate handling.
3300 // 32-bit immediate using two piece so_imms or movw + movt.
3301 // This is a single pseudo instruction, the benefit is that it can be remat'd
3302 // as a single unit instead of having to handle reg inputs.
3303 // FIXME: Remove this when we can do generalized remat.
3304 let isReMaterializable = 1, isMoveImm = 1 in
3305 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3306 [(set GPR:$dst, (arm_i32imm:$src))]>,
3309 // ConstantPool, GlobalAddress, and JumpTable
3310 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3311 Requires<[IsARM, DontUseMovt]>;
3312 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3313 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3314 Requires<[IsARM, UseMovt]>;
3315 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3316 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3318 // TODO: add,sub,and, 3-instr forms?
3321 def : ARMPat<(ARMtcret tcGPR:$dst),
3322 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3324 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3325 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3327 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3328 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3330 def : ARMPat<(ARMtcret tcGPR:$dst),
3331 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3333 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3334 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3336 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3337 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3340 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3341 Requires<[IsARM, IsNotDarwin]>;
3342 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3343 Requires<[IsARM, IsDarwin]>;
3345 // zextload i1 -> zextload i8
3346 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3347 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3349 // extload -> zextload
3350 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3351 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3352 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3353 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3355 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3357 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3358 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3361 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3362 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3363 (SMULBB GPR:$a, GPR:$b)>;
3364 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3365 (SMULBB GPR:$a, GPR:$b)>;
3366 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3367 (sra GPR:$b, (i32 16))),
3368 (SMULBT GPR:$a, GPR:$b)>;
3369 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3370 (SMULBT GPR:$a, GPR:$b)>;
3371 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3372 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3373 (SMULTB GPR:$a, GPR:$b)>;
3374 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3375 (SMULTB GPR:$a, GPR:$b)>;
3376 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3378 (SMULWB GPR:$a, GPR:$b)>;
3379 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3380 (SMULWB GPR:$a, GPR:$b)>;
3382 def : ARMV5TEPat<(add GPR:$acc,
3383 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3384 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3385 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3386 def : ARMV5TEPat<(add GPR:$acc,
3387 (mul sext_16_node:$a, sext_16_node:$b)),
3388 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3389 def : ARMV5TEPat<(add GPR:$acc,
3390 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3391 (sra GPR:$b, (i32 16)))),
3392 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3393 def : ARMV5TEPat<(add GPR:$acc,
3394 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3395 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3396 def : ARMV5TEPat<(add GPR:$acc,
3397 (mul (sra GPR:$a, (i32 16)),
3398 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3399 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3400 def : ARMV5TEPat<(add GPR:$acc,
3401 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3402 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3403 def : ARMV5TEPat<(add GPR:$acc,
3404 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3406 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3407 def : ARMV5TEPat<(add GPR:$acc,
3408 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3409 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3411 //===----------------------------------------------------------------------===//
3415 include "ARMInstrThumb.td"
3417 //===----------------------------------------------------------------------===//
3421 include "ARMInstrThumb2.td"
3423 //===----------------------------------------------------------------------===//
3424 // Floating Point Support
3427 include "ARMInstrVFP.td"
3429 //===----------------------------------------------------------------------===//
3430 // Advanced SIMD (NEON) Support
3433 include "ARMInstrNEON.td"
3435 //===----------------------------------------------------------------------===//
3436 // Coprocessor Instructions. For disassembly only.
3439 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3440 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3441 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3442 [/* For disassembly only; pattern left blank */]> {
3446 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3447 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3448 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3449 [/* For disassembly only; pattern left blank */]> {
3450 let Inst{31-28} = 0b1111;
3454 class ACI<dag oops, dag iops, string opc, string asm>
3455 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3456 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3457 let Inst{27-25} = 0b110;
3460 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3462 def _OFFSET : ACI<(outs),
3463 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3464 opc, "\tp$cop, cr$CRd, $addr"> {
3465 let Inst{31-28} = op31_28;
3466 let Inst{24} = 1; // P = 1
3467 let Inst{21} = 0; // W = 0
3468 let Inst{22} = 0; // D = 0
3469 let Inst{20} = load;
3472 def _PRE : ACI<(outs),
3473 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3474 opc, "\tp$cop, cr$CRd, $addr!"> {
3475 let Inst{31-28} = op31_28;
3476 let Inst{24} = 1; // P = 1
3477 let Inst{21} = 1; // W = 1
3478 let Inst{22} = 0; // D = 0
3479 let Inst{20} = load;
3482 def _POST : ACI<(outs),
3483 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3484 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3485 let Inst{31-28} = op31_28;
3486 let Inst{24} = 0; // P = 0
3487 let Inst{21} = 1; // W = 1
3488 let Inst{22} = 0; // D = 0
3489 let Inst{20} = load;
3492 def _OPTION : ACI<(outs),
3493 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3494 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3495 let Inst{31-28} = op31_28;
3496 let Inst{24} = 0; // P = 0
3497 let Inst{23} = 1; // U = 1
3498 let Inst{21} = 0; // W = 0
3499 let Inst{22} = 0; // D = 0
3500 let Inst{20} = load;
3503 def L_OFFSET : ACI<(outs),
3504 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3505 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3506 let Inst{31-28} = op31_28;
3507 let Inst{24} = 1; // P = 1
3508 let Inst{21} = 0; // W = 0
3509 let Inst{22} = 1; // D = 1
3510 let Inst{20} = load;
3513 def L_PRE : ACI<(outs),
3514 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3515 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3516 let Inst{31-28} = op31_28;
3517 let Inst{24} = 1; // P = 1
3518 let Inst{21} = 1; // W = 1
3519 let Inst{22} = 1; // D = 1
3520 let Inst{20} = load;
3523 def L_POST : ACI<(outs),
3524 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3525 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3526 let Inst{31-28} = op31_28;
3527 let Inst{24} = 0; // P = 0
3528 let Inst{21} = 1; // W = 1
3529 let Inst{22} = 1; // D = 1
3530 let Inst{20} = load;
3533 def L_OPTION : ACI<(outs),
3534 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3535 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3536 let Inst{31-28} = op31_28;
3537 let Inst{24} = 0; // P = 0
3538 let Inst{23} = 1; // U = 1
3539 let Inst{21} = 0; // W = 0
3540 let Inst{22} = 1; // D = 1
3541 let Inst{20} = load;
3545 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3546 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3547 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3548 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3550 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3551 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3552 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3553 [/* For disassembly only; pattern left blank */]> {
3558 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3559 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3560 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3561 [/* For disassembly only; pattern left blank */]> {
3562 let Inst{31-28} = 0b1111;
3567 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3568 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3569 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3570 [/* For disassembly only; pattern left blank */]> {
3575 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3576 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3577 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3578 [/* For disassembly only; pattern left blank */]> {
3579 let Inst{31-28} = 0b1111;
3584 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3585 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3586 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3587 [/* For disassembly only; pattern left blank */]> {
3588 let Inst{23-20} = 0b0100;
3591 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3592 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3593 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3594 [/* For disassembly only; pattern left blank */]> {
3595 let Inst{31-28} = 0b1111;
3596 let Inst{23-20} = 0b0100;
3599 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3600 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3601 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3602 [/* For disassembly only; pattern left blank */]> {
3603 let Inst{23-20} = 0b0101;
3606 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3607 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3608 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3609 [/* For disassembly only; pattern left blank */]> {
3610 let Inst{31-28} = 0b1111;
3611 let Inst{23-20} = 0b0101;
3614 //===----------------------------------------------------------------------===//
3615 // Move between special register and ARM core register -- for disassembly only
3618 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3619 [/* For disassembly only; pattern left blank */]> {
3620 let Inst{23-20} = 0b0000;
3621 let Inst{7-4} = 0b0000;
3624 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3625 [/* For disassembly only; pattern left blank */]> {
3626 let Inst{23-20} = 0b0100;
3627 let Inst{7-4} = 0b0000;
3630 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3631 "msr", "\tcpsr$mask, $src",
3632 [/* For disassembly only; pattern left blank */]> {
3633 let Inst{23-20} = 0b0010;
3634 let Inst{7-4} = 0b0000;
3637 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3638 "msr", "\tcpsr$mask, $a",
3639 [/* For disassembly only; pattern left blank */]> {
3640 let Inst{23-20} = 0b0010;
3641 let Inst{7-4} = 0b0000;
3644 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3645 "msr", "\tspsr$mask, $src",
3646 [/* For disassembly only; pattern left blank */]> {
3647 let Inst{23-20} = 0b0110;
3648 let Inst{7-4} = 0b0000;
3651 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3652 "msr", "\tspsr$mask, $a",
3653 [/* For disassembly only; pattern left blank */]> {
3654 let Inst{23-20} = 0b0110;
3655 let Inst{7-4} = 0b0000;