1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
74 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
75 [SDNPHasChain, SDNPOutFlag]>;
76 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
77 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
79 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
82 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
89 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
90 [SDNPHasChain, SDNPOptInFlag]>;
92 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
94 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
97 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
100 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
102 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
105 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
108 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
111 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
112 [SDNPOutFlag, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
120 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
121 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
122 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
123 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
124 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
126 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
129 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
131 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
133 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
134 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
136 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
138 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
139 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
142 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
144 //===----------------------------------------------------------------------===//
145 // ARM Instruction Predicate Definitions.
147 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
148 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
149 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
150 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
151 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
152 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
153 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
154 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
155 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
156 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
157 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
158 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
159 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
160 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
162 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
164 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
166 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
167 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
168 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
169 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
170 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
171 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
172 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
173 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
175 // FIXME: Eventually this will be just "hasV6T2Ops".
176 def UseMovt : Predicate<"Subtarget->useMovt()">;
177 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
178 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
180 //===----------------------------------------------------------------------===//
181 // ARM Flag Definitions.
183 class RegConstraint<string C> {
184 string Constraints = C;
187 //===----------------------------------------------------------------------===//
188 // ARM specific transformation functions and pattern fragments.
191 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
192 // so_imm_neg def below.
193 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
194 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
197 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
198 // so_imm_not def below.
199 def so_imm_not_XFORM : SDNodeXForm<imm, [{
200 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
203 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
204 def imm1_15 : PatLeaf<(i32 imm), [{
205 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
208 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
209 def imm16_31 : PatLeaf<(i32 imm), [{
210 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
215 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
216 }], so_imm_neg_XFORM>;
220 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
221 }], so_imm_not_XFORM>;
223 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
224 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
225 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
228 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
230 def bf_inv_mask_imm : Operand<i32>,
232 return ARM::isBitFieldInvertedMask(N->getZExtValue());
234 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
235 let PrintMethod = "printBitfieldInvMaskImmOperand";
238 /// Split a 32-bit immediate into two 16 bit parts.
239 def hi16 : SDNodeXForm<imm, [{
240 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
243 def lo16AllZero : PatLeaf<(i32 imm), [{
244 // Returns true if all low 16-bits are 0.
245 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
248 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
250 def imm0_65535 : PatLeaf<(i32 imm), [{
251 return (uint32_t)N->getZExtValue() < 65536;
254 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
255 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
257 /// adde and sube predicates - True based on whether the carry flag output
258 /// will be needed or not.
259 def adde_dead_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
261 [{return !N->hasAnyUseOfValue(1);}]>;
262 def sube_dead_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
264 [{return !N->hasAnyUseOfValue(1);}]>;
265 def adde_live_carry :
266 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
267 [{return N->hasAnyUseOfValue(1);}]>;
268 def sube_live_carry :
269 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
270 [{return N->hasAnyUseOfValue(1);}]>;
272 // An 'and' node with a single use.
273 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
274 return N->hasOneUse();
277 // An 'xor' node with a single use.
278 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
279 return N->hasOneUse();
282 //===----------------------------------------------------------------------===//
283 // Operand Definitions.
287 def brtarget : Operand<OtherVT> {
288 let EncoderMethod = "getBranchTargetOpValue";
292 def bltarget : Operand<i32> {
293 // Encoded the same as branch targets.
294 let EncoderMethod = "getBranchTargetOpValue";
297 // A list of registers separated by comma. Used by load/store multiple.
298 def RegListAsmOperand : AsmOperandClass {
299 let Name = "RegList";
300 let SuperClasses = [];
303 def DPRRegListAsmOperand : AsmOperandClass {
304 let Name = "DPRRegList";
305 let SuperClasses = [];
308 def SPRRegListAsmOperand : AsmOperandClass {
309 let Name = "SPRRegList";
310 let SuperClasses = [];
313 def reglist : Operand<i32> {
314 let EncoderMethod = "getRegisterListOpValue";
315 let ParserMatchClass = RegListAsmOperand;
316 let PrintMethod = "printRegisterList";
319 def dpr_reglist : Operand<i32> {
320 let EncoderMethod = "getRegisterListOpValue";
321 let ParserMatchClass = DPRRegListAsmOperand;
322 let PrintMethod = "printRegisterList";
325 def spr_reglist : Operand<i32> {
326 let EncoderMethod = "getRegisterListOpValue";
327 let ParserMatchClass = SPRRegListAsmOperand;
328 let PrintMethod = "printRegisterList";
331 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
332 def cpinst_operand : Operand<i32> {
333 let PrintMethod = "printCPInstOperand";
337 def pclabel : Operand<i32> {
338 let PrintMethod = "printPCLabel";
341 // ADR instruction labels.
342 def adrlabel : Operand<i32> {
343 let EncoderMethod = "getAdrLabelOpValue";
346 def neon_vcvt_imm32 : Operand<i32> {
347 let EncoderMethod = "getNEONVcvtImm32OpValue";
350 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
351 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
352 int32_t v = (int32_t)N->getZExtValue();
353 return v == 8 || v == 16 || v == 24; }]> {
354 let EncoderMethod = "getRotImmOpValue";
357 // shift_imm: An integer that encodes a shift amount and the type of shift
358 // (currently either asr or lsl) using the same encoding used for the
359 // immediates in so_reg operands.
360 def shift_imm : Operand<i32> {
361 let PrintMethod = "printShiftImmOperand";
364 // shifter_operand operands: so_reg and so_imm.
365 def so_reg : Operand<i32>, // reg reg imm
366 ComplexPattern<i32, 3, "SelectShifterOperandReg",
367 [shl,srl,sra,rotr]> {
368 let EncoderMethod = "getSORegOpValue";
369 let PrintMethod = "printSORegOperand";
370 let MIOperandInfo = (ops GPR, GPR, i32imm);
372 def shift_so_reg : Operand<i32>, // reg reg imm
373 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
374 [shl,srl,sra,rotr]> {
375 let EncoderMethod = "getSORegOpValue";
376 let PrintMethod = "printSORegOperand";
377 let MIOperandInfo = (ops GPR, GPR, i32imm);
380 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
381 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
382 // represented in the imm field in the same 12-bit form that they are encoded
383 // into so_imm instructions: the 8-bit immediate is the least significant bits
384 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
385 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
386 let EncoderMethod = "getSOImmOpValue";
387 let PrintMethod = "printSOImmOperand";
390 // Break so_imm's up into two pieces. This handles immediates with up to 16
391 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
392 // get the first/second pieces.
393 def so_imm2part : PatLeaf<(imm), [{
394 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
397 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
399 def arm_i32imm : PatLeaf<(imm), [{
400 if (Subtarget->hasV6T2Ops())
402 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
405 def so_imm2part_1 : SDNodeXForm<imm, [{
406 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
407 return CurDAG->getTargetConstant(V, MVT::i32);
410 def so_imm2part_2 : SDNodeXForm<imm, [{
411 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
412 return CurDAG->getTargetConstant(V, MVT::i32);
415 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
416 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
418 let PrintMethod = "printSOImm2PartOperand";
421 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
422 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
423 return CurDAG->getTargetConstant(V, MVT::i32);
426 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
427 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
428 return CurDAG->getTargetConstant(V, MVT::i32);
431 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
432 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
433 return (int32_t)N->getZExtValue() < 32;
436 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
437 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
438 return (int32_t)N->getZExtValue() < 32;
440 let EncoderMethod = "getImmMinusOneOpValue";
443 // For movt/movw - sets the MC Encoder method.
444 // The imm is split into imm{15-12}, imm{11-0}
446 def movt_imm : Operand<i32> {
447 let EncoderMethod = "getMovtImmOpValue";
450 // Define ARM specific addressing modes.
453 // addrmode_imm12 := reg +/- imm12
455 def addrmode_imm12 : Operand<i32>,
456 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
457 // 12-bit immediate operand. Note that instructions using this encode
458 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
459 // immediate values are as normal.
461 let EncoderMethod = "getAddrModeImm12OpValue";
462 let PrintMethod = "printAddrModeImm12Operand";
463 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
465 // ldst_so_reg := reg +/- reg shop imm
467 def ldst_so_reg : Operand<i32>,
468 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
469 let EncoderMethod = "getLdStSORegOpValue";
470 // FIXME: Simplify the printer
471 let PrintMethod = "printAddrMode2Operand";
472 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
475 // addrmode2 := reg +/- imm12
476 // := reg +/- reg shop imm
478 def addrmode2 : Operand<i32>,
479 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
480 string EncoderMethod = "getAddrMode2OpValue";
481 let PrintMethod = "printAddrMode2Operand";
482 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
485 def am2offset : Operand<i32>,
486 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
487 [], [SDNPWantRoot]> {
488 string EncoderMethod = "getAddrMode2OffsetOpValue";
489 let PrintMethod = "printAddrMode2OffsetOperand";
490 let MIOperandInfo = (ops GPR, i32imm);
493 // addrmode3 := reg +/- reg
494 // addrmode3 := reg +/- imm8
496 def addrmode3 : Operand<i32>,
497 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
498 let EncoderMethod = "getAddrMode3OpValue";
499 let PrintMethod = "printAddrMode3Operand";
500 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
503 def am3offset : Operand<i32>,
504 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
505 [], [SDNPWantRoot]> {
506 let EncoderMethod = "getAddrMode3OffsetOpValue";
507 let PrintMethod = "printAddrMode3OffsetOperand";
508 let MIOperandInfo = (ops GPR, i32imm);
511 // ldstm_mode := {ia, ib, da, db}
513 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
514 let EncoderMethod = "getLdStmModeOpValue";
515 let PrintMethod = "printLdStmModeOperand";
518 def MemMode5AsmOperand : AsmOperandClass {
519 let Name = "MemMode5";
520 let SuperClasses = [];
523 // addrmode5 := reg +/- imm8*4
525 def addrmode5 : Operand<i32>,
526 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
527 let PrintMethod = "printAddrMode5Operand";
528 let MIOperandInfo = (ops GPR:$base, i32imm);
529 let ParserMatchClass = MemMode5AsmOperand;
530 let EncoderMethod = "getAddrMode5OpValue";
533 // addrmode6 := reg with optional writeback
535 def addrmode6 : Operand<i32>,
536 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
537 let PrintMethod = "printAddrMode6Operand";
538 let MIOperandInfo = (ops GPR:$addr, i32imm);
539 let EncoderMethod = "getAddrMode6AddressOpValue";
542 def am6offset : Operand<i32> {
543 let PrintMethod = "printAddrMode6OffsetOperand";
544 let MIOperandInfo = (ops GPR);
545 let EncoderMethod = "getAddrMode6OffsetOpValue";
548 // Special version of addrmode6 to handle alignment encoding for VLD-dup
549 // instructions, specifically VLD4-dup.
550 def addrmode6dup : Operand<i32>,
551 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
552 let PrintMethod = "printAddrMode6Operand";
553 let MIOperandInfo = (ops GPR:$addr, i32imm);
554 let EncoderMethod = "getAddrMode6DupAddressOpValue";
557 // addrmodepc := pc + reg
559 def addrmodepc : Operand<i32>,
560 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
561 let PrintMethod = "printAddrModePCOperand";
562 let MIOperandInfo = (ops GPR, i32imm);
565 def nohash_imm : Operand<i32> {
566 let PrintMethod = "printNoHashImmediate";
569 //===----------------------------------------------------------------------===//
571 include "ARMInstrFormats.td"
573 //===----------------------------------------------------------------------===//
574 // Multiclass helpers...
577 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
578 /// binop that produces a value.
579 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
580 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
581 PatFrag opnode, bit Commutable = 0> {
582 // The register-immediate version is re-materializable. This is useful
583 // in particular for taking the address of a local.
584 let isReMaterializable = 1 in {
585 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
586 iii, opc, "\t$Rd, $Rn, $imm",
587 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
592 let Inst{19-16} = Rn;
593 let Inst{15-12} = Rd;
594 let Inst{11-0} = imm;
597 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
598 iir, opc, "\t$Rd, $Rn, $Rm",
599 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
604 let isCommutable = Commutable;
605 let Inst{19-16} = Rn;
606 let Inst{15-12} = Rd;
607 let Inst{11-4} = 0b00000000;
610 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
611 iis, opc, "\t$Rd, $Rn, $shift",
612 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
617 let Inst{19-16} = Rn;
618 let Inst{15-12} = Rd;
619 let Inst{11-0} = shift;
623 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
624 /// instruction modifies the CPSR register.
625 let Defs = [CPSR] in {
626 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
627 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
628 PatFrag opnode, bit Commutable = 0> {
629 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
630 iii, opc, "\t$Rd, $Rn, $imm",
631 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
637 let Inst{19-16} = Rn;
638 let Inst{15-12} = Rd;
639 let Inst{11-0} = imm;
641 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
642 iir, opc, "\t$Rd, $Rn, $Rm",
643 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
647 let isCommutable = Commutable;
650 let Inst{19-16} = Rn;
651 let Inst{15-12} = Rd;
652 let Inst{11-4} = 0b00000000;
655 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
656 iis, opc, "\t$Rd, $Rn, $shift",
657 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
663 let Inst{19-16} = Rn;
664 let Inst{15-12} = Rd;
665 let Inst{11-0} = shift;
670 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
671 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
672 /// a explicit result, only implicitly set CPSR.
673 let isCompare = 1, Defs = [CPSR] in {
674 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
675 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
676 PatFrag opnode, bit Commutable = 0> {
677 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
679 [(opnode GPR:$Rn, so_imm:$imm)]> {
684 let Inst{19-16} = Rn;
685 let Inst{15-12} = 0b0000;
686 let Inst{11-0} = imm;
688 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
690 [(opnode GPR:$Rn, GPR:$Rm)]> {
693 let isCommutable = Commutable;
696 let Inst{19-16} = Rn;
697 let Inst{15-12} = 0b0000;
698 let Inst{11-4} = 0b00000000;
701 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
702 opc, "\t$Rn, $shift",
703 [(opnode GPR:$Rn, so_reg:$shift)]> {
708 let Inst{19-16} = Rn;
709 let Inst{15-12} = 0b0000;
710 let Inst{11-0} = shift;
715 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
716 /// register and one whose operand is a register rotated by 8/16/24.
717 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
718 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
719 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
720 IIC_iEXTr, opc, "\t$Rd, $Rm",
721 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
722 Requires<[IsARM, HasV6]> {
725 let Inst{19-16} = 0b1111;
726 let Inst{15-12} = Rd;
727 let Inst{11-10} = 0b00;
730 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
731 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
732 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
733 Requires<[IsARM, HasV6]> {
737 let Inst{19-16} = 0b1111;
738 let Inst{15-12} = Rd;
739 let Inst{11-10} = rot;
744 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
745 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
746 IIC_iEXTr, opc, "\t$Rd, $Rm",
747 [/* For disassembly only; pattern left blank */]>,
748 Requires<[IsARM, HasV6]> {
749 let Inst{19-16} = 0b1111;
750 let Inst{11-10} = 0b00;
752 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
753 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
754 [/* For disassembly only; pattern left blank */]>,
755 Requires<[IsARM, HasV6]> {
757 let Inst{19-16} = 0b1111;
758 let Inst{11-10} = rot;
762 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
763 /// register and one whose operand is a register rotated by 8/16/24.
764 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
765 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
766 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
767 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
768 Requires<[IsARM, HasV6]> {
772 let Inst{19-16} = Rn;
773 let Inst{15-12} = Rd;
774 let Inst{11-10} = 0b00;
775 let Inst{9-4} = 0b000111;
778 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
780 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
781 [(set GPR:$Rd, (opnode GPR:$Rn,
782 (rotr GPR:$Rm, rot_imm:$rot)))]>,
783 Requires<[IsARM, HasV6]> {
788 let Inst{19-16} = Rn;
789 let Inst{15-12} = Rd;
790 let Inst{11-10} = rot;
791 let Inst{9-4} = 0b000111;
796 // For disassembly only.
797 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
798 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
799 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
800 [/* For disassembly only; pattern left blank */]>,
801 Requires<[IsARM, HasV6]> {
802 let Inst{11-10} = 0b00;
804 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
806 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
807 [/* For disassembly only; pattern left blank */]>,
808 Requires<[IsARM, HasV6]> {
811 let Inst{19-16} = Rn;
812 let Inst{11-10} = rot;
816 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
817 let Uses = [CPSR] in {
818 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
819 bit Commutable = 0> {
820 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
821 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
822 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
828 let Inst{15-12} = Rd;
829 let Inst{19-16} = Rn;
830 let Inst{11-0} = imm;
832 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
833 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
834 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
839 let Inst{11-4} = 0b00000000;
841 let isCommutable = Commutable;
843 let Inst{15-12} = Rd;
844 let Inst{19-16} = Rn;
846 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
847 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
848 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
854 let Inst{11-0} = shift;
855 let Inst{15-12} = Rd;
856 let Inst{19-16} = Rn;
859 // Carry setting variants
860 let Defs = [CPSR] in {
861 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
862 bit Commutable = 0> {
863 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
864 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
865 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
870 let Inst{15-12} = Rd;
871 let Inst{19-16} = Rn;
872 let Inst{11-0} = imm;
876 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
877 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
878 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
883 let Inst{11-4} = 0b00000000;
884 let isCommutable = Commutable;
886 let Inst{15-12} = Rd;
887 let Inst{19-16} = Rn;
891 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
892 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
893 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
898 let Inst{11-0} = shift;
899 let Inst{15-12} = Rd;
900 let Inst{19-16} = Rn;
908 let canFoldAsLoad = 1, isReMaterializable = 1 in {
909 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
910 InstrItinClass iir, PatFrag opnode> {
911 // Note: We use the complex addrmode_imm12 rather than just an input
912 // GPR and a constrained immediate so that we can use this to match
913 // frame index references and avoid matching constant pool references.
914 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
915 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
916 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
919 let Inst{23} = addr{12}; // U (add = ('U' == 1))
920 let Inst{19-16} = addr{16-13}; // Rn
921 let Inst{15-12} = Rt;
922 let Inst{11-0} = addr{11-0}; // imm12
924 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
925 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
926 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
929 let Inst{23} = shift{12}; // U (add = ('U' == 1))
930 let Inst{19-16} = shift{16-13}; // Rn
931 let Inst{15-12} = Rt;
932 let Inst{11-0} = shift{11-0};
937 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
938 InstrItinClass iir, PatFrag opnode> {
939 // Note: We use the complex addrmode_imm12 rather than just an input
940 // GPR and a constrained immediate so that we can use this to match
941 // frame index references and avoid matching constant pool references.
942 def i12 : AI2ldst<0b010, 0, isByte, (outs),
943 (ins GPR:$Rt, addrmode_imm12:$addr),
944 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
945 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
948 let Inst{23} = addr{12}; // U (add = ('U' == 1))
949 let Inst{19-16} = addr{16-13}; // Rn
950 let Inst{15-12} = Rt;
951 let Inst{11-0} = addr{11-0}; // imm12
953 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
954 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
955 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
958 let Inst{23} = shift{12}; // U (add = ('U' == 1))
959 let Inst{19-16} = shift{16-13}; // Rn
960 let Inst{15-12} = Rt;
961 let Inst{11-0} = shift{11-0};
964 //===----------------------------------------------------------------------===//
966 //===----------------------------------------------------------------------===//
968 //===----------------------------------------------------------------------===//
969 // Miscellaneous Instructions.
972 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
973 /// the function. The first operand is the ID# for this instruction, the second
974 /// is the index into the MachineConstantPool that this is, the third is the
975 /// size in bytes of this constant pool entry.
976 let neverHasSideEffects = 1, isNotDuplicable = 1 in
977 def CONSTPOOL_ENTRY :
978 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
979 i32imm:$size), NoItinerary, []>;
981 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
982 // from removing one half of the matched pairs. That breaks PEI, which assumes
983 // these will always be in pairs, and asserts if it finds otherwise. Better way?
984 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
986 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
987 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
989 def ADJCALLSTACKDOWN :
990 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
991 [(ARMcallseq_start timm:$amt)]>;
994 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
995 [/* For disassembly only; pattern left blank */]>,
996 Requires<[IsARM, HasV6T2]> {
997 let Inst{27-16} = 0b001100100000;
998 let Inst{15-8} = 0b11110000;
999 let Inst{7-0} = 0b00000000;
1002 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1003 [/* For disassembly only; pattern left blank */]>,
1004 Requires<[IsARM, HasV6T2]> {
1005 let Inst{27-16} = 0b001100100000;
1006 let Inst{15-8} = 0b11110000;
1007 let Inst{7-0} = 0b00000001;
1010 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1011 [/* For disassembly only; pattern left blank */]>,
1012 Requires<[IsARM, HasV6T2]> {
1013 let Inst{27-16} = 0b001100100000;
1014 let Inst{15-8} = 0b11110000;
1015 let Inst{7-0} = 0b00000010;
1018 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1019 [/* For disassembly only; pattern left blank */]>,
1020 Requires<[IsARM, HasV6T2]> {
1021 let Inst{27-16} = 0b001100100000;
1022 let Inst{15-8} = 0b11110000;
1023 let Inst{7-0} = 0b00000011;
1026 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1028 [/* For disassembly only; pattern left blank */]>,
1029 Requires<[IsARM, HasV6]> {
1034 let Inst{15-12} = Rd;
1035 let Inst{19-16} = Rn;
1036 let Inst{27-20} = 0b01101000;
1037 let Inst{7-4} = 0b1011;
1038 let Inst{11-8} = 0b1111;
1041 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1042 [/* For disassembly only; pattern left blank */]>,
1043 Requires<[IsARM, HasV6T2]> {
1044 let Inst{27-16} = 0b001100100000;
1045 let Inst{15-8} = 0b11110000;
1046 let Inst{7-0} = 0b00000100;
1049 // The i32imm operand $val can be used by a debugger to store more information
1050 // about the breakpoint.
1051 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1052 [/* For disassembly only; pattern left blank */]>,
1055 let Inst{3-0} = val{3-0};
1056 let Inst{19-8} = val{15-4};
1057 let Inst{27-20} = 0b00010010;
1058 let Inst{7-4} = 0b0111;
1061 // Change Processor State is a system instruction -- for disassembly only.
1062 // The singleton $opt operand contains the following information:
1063 // opt{4-0} = mode from Inst{4-0}
1064 // opt{5} = changemode from Inst{17}
1065 // opt{8-6} = AIF from Inst{8-6}
1066 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1067 // FIXME: Integrated assembler will need these split out.
1068 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1069 [/* For disassembly only; pattern left blank */]>,
1071 let Inst{31-28} = 0b1111;
1072 let Inst{27-20} = 0b00010000;
1077 // Preload signals the memory system of possible future data/instruction access.
1078 // These are for disassembly only.
1079 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1081 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1082 !strconcat(opc, "\t$addr"),
1083 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1086 let Inst{31-26} = 0b111101;
1087 let Inst{25} = 0; // 0 for immediate form
1088 let Inst{24} = data;
1089 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1090 let Inst{22} = read;
1091 let Inst{21-20} = 0b01;
1092 let Inst{19-16} = addr{16-13}; // Rn
1093 let Inst{15-12} = Rt;
1094 let Inst{11-0} = addr{11-0}; // imm12
1097 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1098 !strconcat(opc, "\t$shift"),
1099 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1102 let Inst{31-26} = 0b111101;
1103 let Inst{25} = 1; // 1 for register form
1104 let Inst{24} = data;
1105 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1106 let Inst{22} = read;
1107 let Inst{21-20} = 0b01;
1108 let Inst{19-16} = shift{16-13}; // Rn
1109 let Inst{11-0} = shift{11-0};
1113 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1114 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1115 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1117 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1119 [/* For disassembly only; pattern left blank */]>,
1122 let Inst{31-10} = 0b1111000100000001000000;
1127 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1128 [/* For disassembly only; pattern left blank */]>,
1129 Requires<[IsARM, HasV7]> {
1131 let Inst{27-4} = 0b001100100000111100001111;
1132 let Inst{3-0} = opt;
1135 // A5.4 Permanently UNDEFINED instructions.
1136 let isBarrier = 1, isTerminator = 1 in
1137 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1140 let Inst = 0xe7ffdefe;
1143 // Address computation and loads and stores in PIC mode.
1144 let isNotDuplicable = 1 in {
1145 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1146 Size4Bytes, IIC_iALUr,
1147 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1149 let AddedComplexity = 10 in {
1150 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1151 Size4Bytes, IIC_iLoad_r,
1152 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1154 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1155 Size4Bytes, IIC_iLoad_bh_r,
1156 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1158 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1159 Size4Bytes, IIC_iLoad_bh_r,
1160 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1162 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1163 Size4Bytes, IIC_iLoad_bh_r,
1164 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1166 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1167 Size4Bytes, IIC_iLoad_bh_r,
1168 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1170 let AddedComplexity = 10 in {
1171 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1172 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1174 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1175 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1177 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1178 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1180 } // isNotDuplicable = 1
1183 // LEApcrel - Load a pc-relative address into a register without offending the
1185 let neverHasSideEffects = 1, isReMaterializable = 1 in
1186 // The 'adr' mnemonic encodes differently if the label is before or after
1187 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1188 // know until then which form of the instruction will be used.
1189 def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
1190 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1193 let Inst{27-25} = 0b001;
1195 let Inst{19-16} = 0b1111;
1196 let Inst{15-12} = Rd;
1197 let Inst{11-0} = label;
1199 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1200 Size4Bytes, IIC_iALUi, []>;
1202 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1203 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1204 Size4Bytes, IIC_iALUi, []>;
1206 //===----------------------------------------------------------------------===//
1207 // Control Flow Instructions.
1210 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1212 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1213 "bx", "\tlr", [(ARMretflag)]>,
1214 Requires<[IsARM, HasV4T]> {
1215 let Inst{27-0} = 0b0001001011111111111100011110;
1219 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1220 "mov", "\tpc, lr", [(ARMretflag)]>,
1221 Requires<[IsARM, NoV4T]> {
1222 let Inst{27-0} = 0b0001101000001111000000001110;
1226 // Indirect branches
1227 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1229 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1230 [(brind GPR:$dst)]>,
1231 Requires<[IsARM, HasV4T]> {
1233 let Inst{31-4} = 0b1110000100101111111111110001;
1234 let Inst{3-0} = dst;
1238 // FIXME: We would really like to define this as a vanilla ARMPat like:
1239 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1240 // With that, however, we can't set isBranch, isTerminator, etc..
1241 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1242 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1243 Requires<[IsARM, NoV4T]>;
1246 // All calls clobber the non-callee saved registers. SP is marked as
1247 // a use to prevent stack-pointer assignments that appear immediately
1248 // before calls from potentially appearing dead.
1250 // On non-Darwin platforms R9 is callee-saved.
1251 Defs = [R0, R1, R2, R3, R12, LR,
1252 D0, D1, D2, D3, D4, D5, D6, D7,
1253 D16, D17, D18, D19, D20, D21, D22, D23,
1254 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1256 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1257 IIC_Br, "bl\t$func",
1258 [(ARMcall tglobaladdr:$func)]>,
1259 Requires<[IsARM, IsNotDarwin]> {
1260 let Inst{31-28} = 0b1110;
1262 let Inst{23-0} = func;
1265 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1266 IIC_Br, "bl", "\t$func",
1267 [(ARMcall_pred tglobaladdr:$func)]>,
1268 Requires<[IsARM, IsNotDarwin]> {
1270 let Inst{23-0} = func;
1274 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1275 IIC_Br, "blx\t$func",
1276 [(ARMcall GPR:$func)]>,
1277 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1279 let Inst{31-4} = 0b1110000100101111111111110011;
1280 let Inst{3-0} = func;
1284 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1285 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1286 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1287 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1290 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1291 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1292 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1296 // On Darwin R9 is call-clobbered.
1297 // R7 is marked as a use to prevent frame-pointer assignments from being
1298 // moved above / below calls.
1299 Defs = [R0, R1, R2, R3, R9, R12, LR,
1300 D0, D1, D2, D3, D4, D5, D6, D7,
1301 D16, D17, D18, D19, D20, D21, D22, D23,
1302 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1303 Uses = [R7, SP] in {
1304 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1305 IIC_Br, "bl\t$func",
1306 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1307 let Inst{31-28} = 0b1110;
1309 let Inst{23-0} = func;
1312 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1313 IIC_Br, "bl", "\t$func",
1314 [(ARMcall_pred tglobaladdr:$func)]>,
1315 Requires<[IsARM, IsDarwin]> {
1317 let Inst{23-0} = func;
1321 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1322 IIC_Br, "blx\t$func",
1323 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1325 let Inst{31-4} = 0b1110000100101111111111110011;
1326 let Inst{3-0} = func;
1330 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1331 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1332 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1333 Requires<[IsARM, HasV4T, IsDarwin]>;
1336 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1337 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1338 Requires<[IsARM, NoV4T, IsDarwin]>;
1343 // FIXME: These should probably be xformed into the non-TC versions of the
1344 // instructions as part of MC lowering.
1345 // FIXME: These seem to be used for both Thumb and ARM instruction selection.
1346 // Thumb should have its own version since the instruction is actually
1347 // different, even though the mnemonic is the same.
1348 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1350 let Defs = [R0, R1, R2, R3, R9, R12,
1351 D0, D1, D2, D3, D4, D5, D6, D7,
1352 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1353 D27, D28, D29, D30, D31, PC],
1355 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1356 IIC_Br, []>, Requires<[IsDarwin]>;
1358 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1359 IIC_Br, []>, Requires<[IsDarwin]>;
1361 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1362 IIC_Br, "b\t$dst @ TAILCALL",
1363 []>, Requires<[IsARM, IsDarwin]>;
1365 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1366 IIC_Br, "b.w\t$dst @ TAILCALL",
1367 []>, Requires<[IsThumb, IsDarwin]>;
1369 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1370 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1371 []>, Requires<[IsDarwin]> {
1373 let Inst{31-4} = 0b1110000100101111111111110001;
1374 let Inst{3-0} = dst;
1378 // Non-Darwin versions (the difference is R9).
1379 let Defs = [R0, R1, R2, R3, R12,
1380 D0, D1, D2, D3, D4, D5, D6, D7,
1381 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1382 D27, D28, D29, D30, D31, PC],
1384 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1385 IIC_Br, []>, Requires<[IsNotDarwin]>;
1387 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1388 IIC_Br, []>, Requires<[IsNotDarwin]>;
1390 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1391 IIC_Br, "b\t$dst @ TAILCALL",
1392 []>, Requires<[IsARM, IsNotDarwin]>;
1394 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1395 IIC_Br, "b.w\t$dst @ TAILCALL",
1396 []>, Requires<[IsThumb, IsNotDarwin]>;
1398 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1399 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1400 []>, Requires<[IsNotDarwin]> {
1402 let Inst{31-4} = 0b1110000100101111111111110001;
1403 let Inst{3-0} = dst;
1408 let isBranch = 1, isTerminator = 1 in {
1409 // B is "predicable" since it can be xformed into a Bcc.
1410 let isBarrier = 1 in {
1411 let isPredicable = 1 in
1412 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1413 "b\t$target", [(br bb:$target)]> {
1415 let Inst{31-28} = 0b1110;
1416 let Inst{23-0} = target;
1419 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1420 def BR_JTr : ARMPseudoInst<(outs),
1421 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1422 SizeSpecial, IIC_Br,
1423 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1424 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1425 // into i12 and rs suffixed versions.
1426 def BR_JTm : ARMPseudoInst<(outs),
1427 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1428 SizeSpecial, IIC_Br,
1429 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1431 def BR_JTadd : ARMPseudoInst<(outs),
1432 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1433 SizeSpecial, IIC_Br,
1434 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1436 } // isNotDuplicable = 1, isIndirectBranch = 1
1439 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1440 // a two-value operand where a dag node expects two operands. :(
1441 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1442 IIC_Br, "b", "\t$target",
1443 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1445 let Inst{23-0} = target;
1449 // Branch and Exchange Jazelle -- for disassembly only
1450 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1451 [/* For disassembly only; pattern left blank */]> {
1452 let Inst{23-20} = 0b0010;
1453 //let Inst{19-8} = 0xfff;
1454 let Inst{7-4} = 0b0010;
1457 // Secure Monitor Call is a system instruction -- for disassembly only
1458 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1459 [/* For disassembly only; pattern left blank */]> {
1461 let Inst{23-4} = 0b01100000000000000111;
1462 let Inst{3-0} = opt;
1465 // Supervisor Call (Software Interrupt) -- for disassembly only
1466 let isCall = 1, Uses = [SP] in {
1467 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1468 [/* For disassembly only; pattern left blank */]> {
1470 let Inst{23-0} = svc;
1474 // Store Return State is a system instruction -- for disassembly only
1475 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1476 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1477 NoItinerary, "srs${amode}\tsp!, $mode",
1478 [/* For disassembly only; pattern left blank */]> {
1479 let Inst{31-28} = 0b1111;
1480 let Inst{22-20} = 0b110; // W = 1
1483 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1484 NoItinerary, "srs${amode}\tsp, $mode",
1485 [/* For disassembly only; pattern left blank */]> {
1486 let Inst{31-28} = 0b1111;
1487 let Inst{22-20} = 0b100; // W = 0
1490 // Return From Exception is a system instruction -- for disassembly only
1491 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1492 NoItinerary, "rfe${amode}\t$base!",
1493 [/* For disassembly only; pattern left blank */]> {
1494 let Inst{31-28} = 0b1111;
1495 let Inst{22-20} = 0b011; // W = 1
1498 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1499 NoItinerary, "rfe${amode}\t$base",
1500 [/* For disassembly only; pattern left blank */]> {
1501 let Inst{31-28} = 0b1111;
1502 let Inst{22-20} = 0b001; // W = 0
1504 } // isCodeGenOnly = 1
1506 //===----------------------------------------------------------------------===//
1507 // Load / store Instructions.
1513 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1514 UnOpFrag<(load node:$Src)>>;
1515 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1516 UnOpFrag<(zextloadi8 node:$Src)>>;
1517 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1518 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1519 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1520 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1522 // Special LDR for loads from non-pc-relative constpools.
1523 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1524 isReMaterializable = 1 in
1525 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1526 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1530 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1531 let Inst{19-16} = 0b1111;
1532 let Inst{15-12} = Rt;
1533 let Inst{11-0} = addr{11-0}; // imm12
1536 // Loads with zero extension
1537 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1538 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1539 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1541 // Loads with sign extension
1542 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1543 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1544 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1546 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1547 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1548 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1550 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1551 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1552 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1553 // how to represent that such that tblgen is happy and we don't
1554 // mark this codegen only?
1556 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1557 (ins addrmode3:$addr), LdMiscFrm,
1558 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1559 []>, Requires<[IsARM, HasV5TE]>;
1563 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1564 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1565 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1566 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1568 // {13} 1 == Rm, 0 == imm12
1572 let Inst{25} = addr{13};
1573 let Inst{23} = addr{12};
1574 let Inst{19-16} = addr{17-14};
1575 let Inst{11-0} = addr{11-0};
1577 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1578 (ins GPR:$Rn, am2offset:$offset),
1579 IndexModePost, LdFrm, itin,
1580 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1581 // {13} 1 == Rm, 0 == imm12
1586 let Inst{25} = offset{13};
1587 let Inst{23} = offset{12};
1588 let Inst{19-16} = Rn;
1589 let Inst{11-0} = offset{11-0};
1593 let mayLoad = 1, neverHasSideEffects = 1 in {
1594 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1595 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1598 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1599 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1600 (ins addrmode3:$addr), IndexModePre,
1602 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1604 let Inst{23} = addr{8}; // U bit
1605 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1606 let Inst{19-16} = addr{12-9}; // Rn
1607 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1608 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1610 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1611 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1613 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1616 let Inst{23} = offset{8}; // U bit
1617 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1618 let Inst{19-16} = Rn;
1619 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1620 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1624 let mayLoad = 1, neverHasSideEffects = 1 in {
1625 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1626 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1627 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1628 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1629 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1630 } // mayLoad = 1, neverHasSideEffects = 1
1632 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1633 let mayLoad = 1, neverHasSideEffects = 1 in {
1634 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1635 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1636 LdFrm, IIC_iLoad_ru,
1637 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1638 let Inst{21} = 1; // overwrite
1640 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1641 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1642 LdFrm, IIC_iLoad_bh_ru,
1643 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1644 let Inst{21} = 1; // overwrite
1646 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1647 (ins GPR:$base, am3offset:$offset), IndexModePost,
1648 LdMiscFrm, IIC_iLoad_bh_ru,
1649 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1650 let Inst{21} = 1; // overwrite
1652 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1653 (ins GPR:$base, am3offset:$offset), IndexModePost,
1654 LdMiscFrm, IIC_iLoad_bh_ru,
1655 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1656 let Inst{21} = 1; // overwrite
1658 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1659 (ins GPR:$base, am3offset:$offset), IndexModePost,
1660 LdMiscFrm, IIC_iLoad_bh_ru,
1661 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1662 let Inst{21} = 1; // overwrite
1668 // Stores with truncate
1669 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1670 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1671 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1674 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1675 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1676 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1677 StMiscFrm, IIC_iStore_d_r,
1678 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1681 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1682 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1683 IndexModePre, StFrm, IIC_iStore_ru,
1684 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1686 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1688 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1689 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1690 IndexModePost, StFrm, IIC_iStore_ru,
1691 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1693 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1695 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1696 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1697 IndexModePre, StFrm, IIC_iStore_bh_ru,
1698 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1699 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1700 GPR:$Rn, am2offset:$offset))]>;
1701 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1702 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1703 IndexModePost, StFrm, IIC_iStore_bh_ru,
1704 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1705 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1706 GPR:$Rn, am2offset:$offset))]>;
1708 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1709 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1710 IndexModePre, StMiscFrm, IIC_iStore_ru,
1711 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1713 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1715 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1716 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1717 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1718 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1719 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1720 GPR:$Rn, am3offset:$offset))]>;
1722 // For disassembly only
1723 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1724 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1725 StMiscFrm, IIC_iStore_d_ru,
1726 "strd", "\t$src1, $src2, [$base, $offset]!",
1727 "$base = $base_wb", []>;
1729 // For disassembly only
1730 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1731 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1732 StMiscFrm, IIC_iStore_d_ru,
1733 "strd", "\t$src1, $src2, [$base], $offset",
1734 "$base = $base_wb", []>;
1736 // STRT, STRBT, and STRHT are for disassembly only.
1738 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1739 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1740 IndexModeNone, StFrm, IIC_iStore_ru,
1741 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1742 [/* For disassembly only; pattern left blank */]> {
1743 let Inst{21} = 1; // overwrite
1746 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1747 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1748 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1749 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1750 [/* For disassembly only; pattern left blank */]> {
1751 let Inst{21} = 1; // overwrite
1754 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1755 (ins GPR:$src, GPR:$base,am3offset:$offset),
1756 StMiscFrm, IIC_iStore_bh_ru,
1757 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1758 [/* For disassembly only; pattern left blank */]> {
1759 let Inst{21} = 1; // overwrite
1762 //===----------------------------------------------------------------------===//
1763 // Load / store multiple Instructions.
1766 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1767 InstrItinClass itin, InstrItinClass itin_upd> {
1769 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1770 IndexModeNone, f, itin,
1771 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1772 let Inst{24-23} = 0b01; // Increment After
1773 let Inst{21} = 0; // No writeback
1774 let Inst{20} = L_bit;
1777 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1778 IndexModeUpd, f, itin_upd,
1779 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1780 let Inst{24-23} = 0b01; // Increment After
1781 let Inst{21} = 1; // Writeback
1782 let Inst{20} = L_bit;
1785 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1786 IndexModeNone, f, itin,
1787 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1788 let Inst{24-23} = 0b00; // Decrement After
1789 let Inst{21} = 0; // No writeback
1790 let Inst{20} = L_bit;
1793 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1794 IndexModeUpd, f, itin_upd,
1795 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1796 let Inst{24-23} = 0b00; // Decrement After
1797 let Inst{21} = 1; // Writeback
1798 let Inst{20} = L_bit;
1801 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1802 IndexModeNone, f, itin,
1803 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1804 let Inst{24-23} = 0b10; // Decrement Before
1805 let Inst{21} = 0; // No writeback
1806 let Inst{20} = L_bit;
1809 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1810 IndexModeUpd, f, itin_upd,
1811 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1812 let Inst{24-23} = 0b10; // Decrement Before
1813 let Inst{21} = 1; // Writeback
1814 let Inst{20} = L_bit;
1817 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1818 IndexModeNone, f, itin,
1819 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1820 let Inst{24-23} = 0b11; // Increment Before
1821 let Inst{21} = 0; // No writeback
1822 let Inst{20} = L_bit;
1825 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1826 IndexModeUpd, f, itin_upd,
1827 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1828 let Inst{24-23} = 0b11; // Increment Before
1829 let Inst{21} = 1; // Writeback
1830 let Inst{20} = L_bit;
1834 let neverHasSideEffects = 1 in {
1836 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1837 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1839 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1840 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1842 } // neverHasSideEffects
1844 // Load / Store Multiple Mnemnoic Aliases
1845 def : MnemonicAlias<"ldm", "ldmia">;
1846 def : MnemonicAlias<"stm", "stmia">;
1848 // FIXME: remove when we have a way to marking a MI with these properties.
1849 // FIXME: Should pc be an implicit operand like PICADD, etc?
1850 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1851 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1852 // FIXME: Should be a pseudo-instruction.
1853 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1854 reglist:$regs, variable_ops),
1855 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1856 "ldmia${p}\t$Rn!, $regs",
1858 let Inst{24-23} = 0b01; // Increment After
1859 let Inst{21} = 1; // Writeback
1860 let Inst{20} = 1; // Load
1863 //===----------------------------------------------------------------------===//
1864 // Move Instructions.
1867 let neverHasSideEffects = 1 in
1868 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1869 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1873 let Inst{11-4} = 0b00000000;
1876 let Inst{15-12} = Rd;
1879 // A version for the smaller set of tail call registers.
1880 let neverHasSideEffects = 1 in
1881 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1882 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1886 let Inst{11-4} = 0b00000000;
1889 let Inst{15-12} = Rd;
1892 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1893 DPSoRegFrm, IIC_iMOVsr,
1894 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1898 let Inst{15-12} = Rd;
1899 let Inst{11-0} = src;
1903 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1904 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1905 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1909 let Inst{15-12} = Rd;
1910 let Inst{19-16} = 0b0000;
1911 let Inst{11-0} = imm;
1914 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1915 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins movt_imm:$imm),
1917 "movw", "\t$Rd, $imm",
1918 [(set GPR:$Rd, imm0_65535:$imm)]>,
1919 Requires<[IsARM, HasV6T2]>, UnaryDP {
1922 let Inst{15-12} = Rd;
1923 let Inst{11-0} = imm{11-0};
1924 let Inst{19-16} = imm{15-12};
1929 let Constraints = "$src = $Rd" in
1930 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, movt_imm:$imm),
1932 "movt", "\t$Rd, $imm",
1934 (or (and GPR:$src, 0xffff),
1935 lo16AllZero:$imm))]>, UnaryDP,
1936 Requires<[IsARM, HasV6T2]> {
1939 let Inst{15-12} = Rd;
1940 let Inst{11-0} = imm{11-0};
1941 let Inst{19-16} = imm{15-12};
1946 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1947 Requires<[IsARM, HasV6T2]>;
1949 let Uses = [CPSR] in
1950 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1951 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1954 // These aren't really mov instructions, but we have to define them this way
1955 // due to flag operands.
1957 let Defs = [CPSR] in {
1958 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1959 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1961 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1962 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1966 //===----------------------------------------------------------------------===//
1967 // Extend Instructions.
1972 defm SXTB : AI_ext_rrot<0b01101010,
1973 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1974 defm SXTH : AI_ext_rrot<0b01101011,
1975 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1977 defm SXTAB : AI_exta_rrot<0b01101010,
1978 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1979 defm SXTAH : AI_exta_rrot<0b01101011,
1980 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1982 // For disassembly only
1983 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1985 // For disassembly only
1986 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1990 let AddedComplexity = 16 in {
1991 defm UXTB : AI_ext_rrot<0b01101110,
1992 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1993 defm UXTH : AI_ext_rrot<0b01101111,
1994 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1995 defm UXTB16 : AI_ext_rrot<0b01101100,
1996 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1998 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1999 // The transformation should probably be done as a combiner action
2000 // instead so we can include a check for masking back in the upper
2001 // eight bits of the source into the lower eight bits of the result.
2002 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2003 // (UXTB16r_rot GPR:$Src, 24)>;
2004 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2005 (UXTB16r_rot GPR:$Src, 8)>;
2007 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2008 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2009 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2010 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2013 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2014 // For disassembly only
2015 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2018 def SBFX : I<(outs GPR:$Rd),
2019 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2020 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2021 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2022 Requires<[IsARM, HasV6T2]> {
2027 let Inst{27-21} = 0b0111101;
2028 let Inst{6-4} = 0b101;
2029 let Inst{20-16} = width;
2030 let Inst{15-12} = Rd;
2031 let Inst{11-7} = lsb;
2035 def UBFX : I<(outs GPR:$Rd),
2036 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2037 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2038 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2039 Requires<[IsARM, HasV6T2]> {
2044 let Inst{27-21} = 0b0111111;
2045 let Inst{6-4} = 0b101;
2046 let Inst{20-16} = width;
2047 let Inst{15-12} = Rd;
2048 let Inst{11-7} = lsb;
2052 //===----------------------------------------------------------------------===//
2053 // Arithmetic Instructions.
2056 defm ADD : AsI1_bin_irs<0b0100, "add",
2057 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2058 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2059 defm SUB : AsI1_bin_irs<0b0010, "sub",
2060 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2061 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2063 // ADD and SUB with 's' bit set.
2064 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2065 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2066 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2067 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2068 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2069 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2071 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2072 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2073 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2074 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2075 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2076 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2077 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2078 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2080 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2081 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2082 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2087 let Inst{15-12} = Rd;
2088 let Inst{19-16} = Rn;
2089 let Inst{11-0} = imm;
2092 // The reg/reg form is only defined for the disassembler; for codegen it is
2093 // equivalent to SUBrr.
2094 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2095 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2096 [/* For disassembly only; pattern left blank */]> {
2100 let Inst{11-4} = 0b00000000;
2103 let Inst{15-12} = Rd;
2104 let Inst{19-16} = Rn;
2107 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2108 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2109 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2114 let Inst{11-0} = shift;
2115 let Inst{15-12} = Rd;
2116 let Inst{19-16} = Rn;
2119 // RSB with 's' bit set.
2120 let Defs = [CPSR] in {
2121 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2122 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2123 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2129 let Inst{15-12} = Rd;
2130 let Inst{19-16} = Rn;
2131 let Inst{11-0} = imm;
2133 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2134 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2135 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2141 let Inst{11-0} = shift;
2142 let Inst{15-12} = Rd;
2143 let Inst{19-16} = Rn;
2147 let Uses = [CPSR] in {
2148 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2149 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2150 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2156 let Inst{15-12} = Rd;
2157 let Inst{19-16} = Rn;
2158 let Inst{11-0} = imm;
2160 // The reg/reg form is only defined for the disassembler; for codegen it is
2161 // equivalent to SUBrr.
2162 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2163 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2164 [/* For disassembly only; pattern left blank */]> {
2168 let Inst{11-4} = 0b00000000;
2171 let Inst{15-12} = Rd;
2172 let Inst{19-16} = Rn;
2174 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2175 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2176 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2182 let Inst{11-0} = shift;
2183 let Inst{15-12} = Rd;
2184 let Inst{19-16} = Rn;
2188 // FIXME: Allow these to be predicated.
2189 let Defs = [CPSR], Uses = [CPSR] in {
2190 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2191 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2192 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2199 let Inst{15-12} = Rd;
2200 let Inst{19-16} = Rn;
2201 let Inst{11-0} = imm;
2203 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2204 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2205 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2212 let Inst{11-0} = shift;
2213 let Inst{15-12} = Rd;
2214 let Inst{19-16} = Rn;
2218 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2219 // The assume-no-carry-in form uses the negation of the input since add/sub
2220 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2221 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2223 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2224 (SUBri GPR:$src, so_imm_neg:$imm)>;
2225 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2226 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2227 // The with-carry-in form matches bitwise not instead of the negation.
2228 // Effectively, the inverse interpretation of the carry flag already accounts
2229 // for part of the negation.
2230 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2231 (SBCri GPR:$src, so_imm_not:$imm)>;
2233 // Note: These are implemented in C++ code, because they have to generate
2234 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2236 // (mul X, 2^n+1) -> (add (X << n), X)
2237 // (mul X, 2^n-1) -> (rsb X, (X << n))
2239 // ARM Arithmetic Instruction -- for disassembly only
2240 // GPR:$dst = GPR:$a op GPR:$b
2241 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2242 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2243 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2244 opc, "\t$Rd, $Rn, $Rm", pattern> {
2248 let Inst{27-20} = op27_20;
2249 let Inst{11-4} = op11_4;
2250 let Inst{19-16} = Rn;
2251 let Inst{15-12} = Rd;
2255 // Saturating add/subtract -- for disassembly only
2257 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2258 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2259 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2260 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2261 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2262 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2264 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2265 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2266 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2267 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2268 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2269 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2270 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2271 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2272 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2273 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2274 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2275 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2277 // Signed/Unsigned add/subtract -- for disassembly only
2279 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2280 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2281 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2282 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2283 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2284 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2285 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2286 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2287 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2288 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2289 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2290 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2292 // Signed/Unsigned halving add/subtract -- for disassembly only
2294 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2295 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2296 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2297 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2298 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2299 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2300 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2301 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2302 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2303 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2304 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2305 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2307 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2309 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2310 MulFrm /* for convenience */, NoItinerary, "usad8",
2311 "\t$Rd, $Rn, $Rm", []>,
2312 Requires<[IsARM, HasV6]> {
2316 let Inst{27-20} = 0b01111000;
2317 let Inst{15-12} = 0b1111;
2318 let Inst{7-4} = 0b0001;
2319 let Inst{19-16} = Rd;
2320 let Inst{11-8} = Rm;
2323 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2324 MulFrm /* for convenience */, NoItinerary, "usada8",
2325 "\t$Rd, $Rn, $Rm, $Ra", []>,
2326 Requires<[IsARM, HasV6]> {
2331 let Inst{27-20} = 0b01111000;
2332 let Inst{7-4} = 0b0001;
2333 let Inst{19-16} = Rd;
2334 let Inst{15-12} = Ra;
2335 let Inst{11-8} = Rm;
2339 // Signed/Unsigned saturate -- for disassembly only
2341 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2342 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2343 [/* For disassembly only; pattern left blank */]> {
2348 let Inst{27-21} = 0b0110101;
2349 let Inst{5-4} = 0b01;
2350 let Inst{20-16} = sat_imm;
2351 let Inst{15-12} = Rd;
2352 let Inst{11-7} = sh{7-3};
2353 let Inst{6} = sh{0};
2357 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2358 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2359 [/* For disassembly only; pattern left blank */]> {
2363 let Inst{27-20} = 0b01101010;
2364 let Inst{11-4} = 0b11110011;
2365 let Inst{15-12} = Rd;
2366 let Inst{19-16} = sat_imm;
2370 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2371 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2372 [/* For disassembly only; pattern left blank */]> {
2377 let Inst{27-21} = 0b0110111;
2378 let Inst{5-4} = 0b01;
2379 let Inst{15-12} = Rd;
2380 let Inst{11-7} = sh{7-3};
2381 let Inst{6} = sh{0};
2382 let Inst{20-16} = sat_imm;
2386 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2387 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2388 [/* For disassembly only; pattern left blank */]> {
2392 let Inst{27-20} = 0b01101110;
2393 let Inst{11-4} = 0b11110011;
2394 let Inst{15-12} = Rd;
2395 let Inst{19-16} = sat_imm;
2399 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2400 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2402 //===----------------------------------------------------------------------===//
2403 // Bitwise Instructions.
2406 defm AND : AsI1_bin_irs<0b0000, "and",
2407 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2408 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2409 defm ORR : AsI1_bin_irs<0b1100, "orr",
2410 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2411 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2412 defm EOR : AsI1_bin_irs<0b0001, "eor",
2413 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2414 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2415 defm BIC : AsI1_bin_irs<0b1110, "bic",
2416 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2417 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2419 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2420 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2421 "bfc", "\t$Rd, $imm", "$src = $Rd",
2422 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2423 Requires<[IsARM, HasV6T2]> {
2426 let Inst{27-21} = 0b0111110;
2427 let Inst{6-0} = 0b0011111;
2428 let Inst{15-12} = Rd;
2429 let Inst{11-7} = imm{4-0}; // lsb
2430 let Inst{20-16} = imm{9-5}; // width
2433 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2434 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2435 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2436 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2437 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2438 bf_inv_mask_imm:$imm))]>,
2439 Requires<[IsARM, HasV6T2]> {
2443 let Inst{27-21} = 0b0111110;
2444 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2445 let Inst{15-12} = Rd;
2446 let Inst{11-7} = imm{4-0}; // lsb
2447 let Inst{20-16} = imm{9-5}; // width
2451 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2452 "mvn", "\t$Rd, $Rm",
2453 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2457 let Inst{19-16} = 0b0000;
2458 let Inst{11-4} = 0b00000000;
2459 let Inst{15-12} = Rd;
2462 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2463 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2464 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2468 let Inst{19-16} = 0b0000;
2469 let Inst{15-12} = Rd;
2470 let Inst{11-0} = shift;
2472 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2473 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2474 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2475 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2479 let Inst{19-16} = 0b0000;
2480 let Inst{15-12} = Rd;
2481 let Inst{11-0} = imm;
2484 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2485 (BICri GPR:$src, so_imm_not:$imm)>;
2487 //===----------------------------------------------------------------------===//
2488 // Multiply Instructions.
2490 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2491 string opc, string asm, list<dag> pattern>
2492 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2496 let Inst{19-16} = Rd;
2497 let Inst{11-8} = Rm;
2500 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2501 string opc, string asm, list<dag> pattern>
2502 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2507 let Inst{19-16} = RdHi;
2508 let Inst{15-12} = RdLo;
2509 let Inst{11-8} = Rm;
2513 let isCommutable = 1 in
2514 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2515 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2516 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2518 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2519 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2520 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2522 let Inst{15-12} = Ra;
2525 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2526 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2527 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2528 Requires<[IsARM, HasV6T2]> {
2533 let Inst{19-16} = Rd;
2534 let Inst{15-12} = Ra;
2535 let Inst{11-8} = Rm;
2539 // Extra precision multiplies with low / high results
2541 let neverHasSideEffects = 1 in {
2542 let isCommutable = 1 in {
2543 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2544 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2545 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2547 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2548 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2549 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2552 // Multiply + accumulate
2553 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2554 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2555 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2557 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2558 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2559 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2561 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2562 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2563 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2564 Requires<[IsARM, HasV6]> {
2569 let Inst{19-16} = RdLo;
2570 let Inst{15-12} = RdHi;
2571 let Inst{11-8} = Rm;
2574 } // neverHasSideEffects
2576 // Most significant word multiply
2577 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2578 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2579 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2580 Requires<[IsARM, HasV6]> {
2581 let Inst{15-12} = 0b1111;
2584 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2585 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2586 [/* For disassembly only; pattern left blank */]>,
2587 Requires<[IsARM, HasV6]> {
2588 let Inst{15-12} = 0b1111;
2591 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2592 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2593 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2594 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2595 Requires<[IsARM, HasV6]>;
2597 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2598 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2599 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2600 [/* For disassembly only; pattern left blank */]>,
2601 Requires<[IsARM, HasV6]>;
2603 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2604 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2605 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2606 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2607 Requires<[IsARM, HasV6]>;
2609 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2610 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2611 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2612 [/* For disassembly only; pattern left blank */]>,
2613 Requires<[IsARM, HasV6]>;
2615 multiclass AI_smul<string opc, PatFrag opnode> {
2616 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2617 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2618 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2619 (sext_inreg GPR:$Rm, i16)))]>,
2620 Requires<[IsARM, HasV5TE]>;
2622 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2623 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2624 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2625 (sra GPR:$Rm, (i32 16))))]>,
2626 Requires<[IsARM, HasV5TE]>;
2628 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2629 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2630 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2631 (sext_inreg GPR:$Rm, i16)))]>,
2632 Requires<[IsARM, HasV5TE]>;
2634 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2635 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2636 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2637 (sra GPR:$Rm, (i32 16))))]>,
2638 Requires<[IsARM, HasV5TE]>;
2640 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2641 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2642 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2643 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2644 Requires<[IsARM, HasV5TE]>;
2646 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2647 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2648 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2649 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2650 Requires<[IsARM, HasV5TE]>;
2654 multiclass AI_smla<string opc, PatFrag opnode> {
2655 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2656 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2657 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2658 [(set GPR:$Rd, (add GPR:$Ra,
2659 (opnode (sext_inreg GPR:$Rn, i16),
2660 (sext_inreg GPR:$Rm, i16))))]>,
2661 Requires<[IsARM, HasV5TE]>;
2663 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2664 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2665 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2666 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2667 (sra GPR:$Rm, (i32 16)))))]>,
2668 Requires<[IsARM, HasV5TE]>;
2670 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2671 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2672 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2673 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2674 (sext_inreg GPR:$Rm, i16))))]>,
2675 Requires<[IsARM, HasV5TE]>;
2677 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2678 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2679 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2680 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2681 (sra GPR:$Rm, (i32 16)))))]>,
2682 Requires<[IsARM, HasV5TE]>;
2684 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2685 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2686 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2687 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2688 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2689 Requires<[IsARM, HasV5TE]>;
2691 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2692 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2693 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2694 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2695 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2696 Requires<[IsARM, HasV5TE]>;
2699 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2700 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2702 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2703 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2704 (ins GPR:$Rn, GPR:$Rm),
2705 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2706 [/* For disassembly only; pattern left blank */]>,
2707 Requires<[IsARM, HasV5TE]>;
2709 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2710 (ins GPR:$Rn, GPR:$Rm),
2711 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2712 [/* For disassembly only; pattern left blank */]>,
2713 Requires<[IsARM, HasV5TE]>;
2715 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2716 (ins GPR:$Rn, GPR:$Rm),
2717 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2718 [/* For disassembly only; pattern left blank */]>,
2719 Requires<[IsARM, HasV5TE]>;
2721 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2722 (ins GPR:$Rn, GPR:$Rm),
2723 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2724 [/* For disassembly only; pattern left blank */]>,
2725 Requires<[IsARM, HasV5TE]>;
2727 // Helper class for AI_smld -- for disassembly only
2728 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2729 InstrItinClass itin, string opc, string asm>
2730 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2737 let Inst{21-20} = 0b00;
2738 let Inst{22} = long;
2739 let Inst{27-23} = 0b01110;
2740 let Inst{11-8} = Rm;
2743 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2744 InstrItinClass itin, string opc, string asm>
2745 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2747 let Inst{15-12} = 0b1111;
2748 let Inst{19-16} = Rd;
2750 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2751 InstrItinClass itin, string opc, string asm>
2752 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2754 let Inst{15-12} = Ra;
2756 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2757 InstrItinClass itin, string opc, string asm>
2758 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2761 let Inst{19-16} = RdHi;
2762 let Inst{15-12} = RdLo;
2765 multiclass AI_smld<bit sub, string opc> {
2767 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2768 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2770 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2771 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2773 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2774 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2775 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2777 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2778 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2779 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2783 defm SMLA : AI_smld<0, "smla">;
2784 defm SMLS : AI_smld<1, "smls">;
2786 multiclass AI_sdml<bit sub, string opc> {
2788 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2789 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2790 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2791 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2794 defm SMUA : AI_sdml<0, "smua">;
2795 defm SMUS : AI_sdml<1, "smus">;
2797 //===----------------------------------------------------------------------===//
2798 // Misc. Arithmetic Instructions.
2801 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2802 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2803 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2805 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2806 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2807 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2808 Requires<[IsARM, HasV6T2]>;
2810 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2811 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2812 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2814 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2815 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2817 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2818 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2819 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2820 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2821 Requires<[IsARM, HasV6]>;
2823 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2824 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2827 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2828 (shl GPR:$Rm, (i32 8))), i16))]>,
2829 Requires<[IsARM, HasV6]>;
2831 def lsl_shift_imm : SDNodeXForm<imm, [{
2832 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2833 return CurDAG->getTargetConstant(Sh, MVT::i32);
2836 def lsl_amt : PatLeaf<(i32 imm), [{
2837 return (N->getZExtValue() < 32);
2840 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2841 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2842 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2843 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2844 (and (shl GPR:$Rm, lsl_amt:$sh),
2846 Requires<[IsARM, HasV6]>;
2848 // Alternate cases for PKHBT where identities eliminate some nodes.
2849 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2850 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2851 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2852 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2854 def asr_shift_imm : SDNodeXForm<imm, [{
2855 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2856 return CurDAG->getTargetConstant(Sh, MVT::i32);
2859 def asr_amt : PatLeaf<(i32 imm), [{
2860 return (N->getZExtValue() <= 32);
2863 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2864 // will match the pattern below.
2865 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2866 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2867 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2868 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2869 (and (sra GPR:$Rm, asr_amt:$sh),
2871 Requires<[IsARM, HasV6]>;
2873 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2874 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2875 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2876 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2877 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2878 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2879 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2881 //===----------------------------------------------------------------------===//
2882 // Comparison Instructions...
2885 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2886 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2887 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2889 // FIXME: We have to be careful when using the CMN instruction and comparison
2890 // with 0. One would expect these two pieces of code should give identical
2906 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2907 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2908 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2909 // value of r0 and the carry bit (because the "carry bit" parameter to
2910 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2911 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2912 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2913 // parameter to AddWithCarry is defined as 0).
2915 // When x is 0 and unsigned:
2919 // ~x + 1 = 0x1 0000 0000
2920 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2922 // Therefore, we should disable CMN when comparing against zero, until we can
2923 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2924 // when it's a comparison which doesn't look at the 'carry' flag).
2926 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2928 // This is related to <rdar://problem/7569620>.
2930 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2931 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2933 // Note that TST/TEQ don't set all the same flags that CMP does!
2934 defm TST : AI1_cmp_irs<0b1000, "tst",
2935 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2936 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
2937 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2938 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2939 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
2941 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2942 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2943 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2944 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2945 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2946 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2948 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2949 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2951 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2952 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2954 // Pseudo i64 compares for some floating point compares.
2955 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2957 def BCCi64 : PseudoInst<(outs),
2958 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2960 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2962 def BCCZi64 : PseudoInst<(outs),
2963 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
2964 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2965 } // usesCustomInserter
2968 // Conditional moves
2969 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2970 // a two-value operand where a dag node expects two operands. :(
2971 // FIXME: These should all be pseudo-instructions that get expanded to
2972 // the normal MOV instructions. That would fix the dependency on
2973 // special casing them in tblgen.
2974 let neverHasSideEffects = 1 in {
2975 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2976 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2977 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2978 RegConstraint<"$false = $Rd">, UnaryDP {
2983 let Inst{15-12} = Rd;
2984 let Inst{11-4} = 0b00000000;
2988 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2989 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2990 "mov", "\t$Rd, $shift",
2991 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2992 RegConstraint<"$false = $Rd">, UnaryDP {
2997 let Inst{19-16} = 0;
2998 let Inst{15-12} = Rd;
2999 let Inst{11-0} = shift;
3002 let isMoveImm = 1 in
3003 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, movt_imm:$imm),
3005 "movw", "\t$Rd, $imm",
3007 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3013 let Inst{19-16} = imm{15-12};
3014 let Inst{15-12} = Rd;
3015 let Inst{11-0} = imm{11-0};
3018 let isMoveImm = 1 in
3019 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3020 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3021 "mov", "\t$Rd, $imm",
3022 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3023 RegConstraint<"$false = $Rd">, UnaryDP {
3028 let Inst{19-16} = 0b0000;
3029 let Inst{15-12} = Rd;
3030 let Inst{11-0} = imm;
3033 // Two instruction predicate mov immediate.
3034 let isMoveImm = 1 in
3035 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3036 (ins GPR:$false, i32imm:$src, pred:$p),
3037 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3039 let isMoveImm = 1 in
3040 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3041 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3042 "mvn", "\t$Rd, $imm",
3043 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3044 RegConstraint<"$false = $Rd">, UnaryDP {
3049 let Inst{19-16} = 0b0000;
3050 let Inst{15-12} = Rd;
3051 let Inst{11-0} = imm;
3053 } // neverHasSideEffects
3055 //===----------------------------------------------------------------------===//
3056 // Atomic operations intrinsics
3059 def memb_opt : Operand<i32> {
3060 let PrintMethod = "printMemBOption";
3063 // memory barriers protect the atomic sequences
3064 let hasSideEffects = 1 in {
3065 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3066 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3067 Requires<[IsARM, HasDB]> {
3069 let Inst{31-4} = 0xf57ff05;
3070 let Inst{3-0} = opt;
3073 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3074 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3075 [(ARMMemBarrierMCR GPR:$zero)]>,
3076 Requires<[IsARM, HasV6]> {
3077 // FIXME: add encoding
3081 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3083 [/* For disassembly only; pattern left blank */]>,
3084 Requires<[IsARM, HasDB]> {
3086 let Inst{31-4} = 0xf57ff04;
3087 let Inst{3-0} = opt;
3090 // ISB has only full system option -- for disassembly only
3091 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3092 Requires<[IsARM, HasDB]> {
3093 let Inst{31-4} = 0xf57ff06;
3094 let Inst{3-0} = 0b1111;
3097 let usesCustomInserter = 1 in {
3098 let Uses = [CPSR] in {
3099 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3100 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3101 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3102 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3103 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3104 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3105 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3106 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3107 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3108 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3109 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3110 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3111 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3112 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3113 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3114 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3115 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3116 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3117 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3118 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3119 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3120 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3121 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3122 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3123 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3124 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3125 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3126 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3127 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3128 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3129 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3130 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3131 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3132 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3133 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3134 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3135 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3136 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3137 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3138 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3139 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3140 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3141 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3142 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3143 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3144 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3145 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3146 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3147 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3148 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3149 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3150 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3151 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3152 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3154 def ATOMIC_SWAP_I8 : PseudoInst<
3155 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3156 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3157 def ATOMIC_SWAP_I16 : PseudoInst<
3158 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3159 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3160 def ATOMIC_SWAP_I32 : PseudoInst<
3161 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3162 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3164 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3165 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3166 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3167 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3168 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3169 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3170 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3171 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3172 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3176 let mayLoad = 1 in {
3177 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3178 "ldrexb", "\t$Rt, [$Rn]",
3180 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3181 "ldrexh", "\t$Rt, [$Rn]",
3183 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3184 "ldrex", "\t$Rt, [$Rn]",
3186 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3188 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3192 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3193 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3195 "strexb", "\t$Rd, $src, [$Rn]",
3197 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3199 "strexh", "\t$Rd, $Rt, [$Rn]",
3201 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3203 "strex", "\t$Rd, $Rt, [$Rn]",
3205 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3206 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3208 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3212 // Clear-Exclusive is for disassembly only.
3213 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3214 [/* For disassembly only; pattern left blank */]>,
3215 Requires<[IsARM, HasV7]> {
3216 let Inst{31-0} = 0b11110101011111111111000000011111;
3219 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3220 let mayLoad = 1 in {
3221 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3222 [/* For disassembly only; pattern left blank */]>;
3223 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3224 [/* For disassembly only; pattern left blank */]>;
3227 //===----------------------------------------------------------------------===//
3231 // __aeabi_read_tp preserves the registers r1-r3.
3232 // FIXME: This needs to be a pseudo of some sort so that we can get the
3233 // encoding right, complete with fixup for the aeabi_read_tp function.
3235 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3236 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3237 "bl\t__aeabi_read_tp",
3238 [(set R0, ARMthread_pointer)]>;
3241 //===----------------------------------------------------------------------===//
3242 // SJLJ Exception handling intrinsics
3243 // eh_sjlj_setjmp() is an instruction sequence to store the return
3244 // address and save #0 in R0 for the non-longjmp case.
3245 // Since by its nature we may be coming from some other function to get
3246 // here, and we're using the stack frame for the containing function to
3247 // save/restore registers, we can't keep anything live in regs across
3248 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3249 // when we get here from a longjmp(). We force everthing out of registers
3250 // except for our own input by listing the relevant registers in Defs. By
3251 // doing so, we also cause the prologue/epilogue code to actively preserve
3252 // all of the callee-saved resgisters, which is exactly what we want.
3253 // A constant value is passed in $val, and we use the location as a scratch.
3255 // These are pseudo-instructions and are lowered to individual MC-insts, so
3256 // no encoding information is necessary.
3258 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3259 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3260 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3261 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3262 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3264 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3265 Requires<[IsARM, HasVFP2]>;
3269 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3270 hasSideEffects = 1, isBarrier = 1 in {
3271 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3273 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3274 Requires<[IsARM, NoVFP]>;
3277 // FIXME: Non-Darwin version(s)
3278 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3279 Defs = [ R7, LR, SP ] in {
3280 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3282 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3283 Requires<[IsARM, IsDarwin]>;
3286 // eh.sjlj.dispatchsetup pseudo-instruction.
3287 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3288 // handled when the pseudo is expanded (which happens before any passes
3289 // that need the instruction size).
3290 let isBarrier = 1, hasSideEffects = 1 in
3291 def Int_eh_sjlj_dispatchsetup :
3292 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3293 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3294 Requires<[IsDarwin]>;
3296 //===----------------------------------------------------------------------===//
3297 // Non-Instruction Patterns
3300 // Large immediate handling.
3302 // 32-bit immediate using two piece so_imms or movw + movt.
3303 // This is a single pseudo instruction, the benefit is that it can be remat'd
3304 // as a single unit instead of having to handle reg inputs.
3305 // FIXME: Remove this when we can do generalized remat.
3306 let isReMaterializable = 1, isMoveImm = 1 in
3307 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3308 [(set GPR:$dst, (arm_i32imm:$src))]>,
3311 // ConstantPool, GlobalAddress, and JumpTable
3312 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3313 Requires<[IsARM, DontUseMovt]>;
3314 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3315 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3316 Requires<[IsARM, UseMovt]>;
3317 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3318 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3320 // TODO: add,sub,and, 3-instr forms?
3323 def : ARMPat<(ARMtcret tcGPR:$dst),
3324 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3326 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3327 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3329 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3330 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3332 def : ARMPat<(ARMtcret tcGPR:$dst),
3333 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3335 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3336 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3338 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3339 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3342 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3343 Requires<[IsARM, IsNotDarwin]>;
3344 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3345 Requires<[IsARM, IsDarwin]>;
3347 // zextload i1 -> zextload i8
3348 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3349 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3351 // extload -> zextload
3352 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3353 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3354 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3355 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3357 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3359 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3360 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3363 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3364 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3365 (SMULBB GPR:$a, GPR:$b)>;
3366 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3367 (SMULBB GPR:$a, GPR:$b)>;
3368 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3369 (sra GPR:$b, (i32 16))),
3370 (SMULBT GPR:$a, GPR:$b)>;
3371 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3372 (SMULBT GPR:$a, GPR:$b)>;
3373 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3374 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3375 (SMULTB GPR:$a, GPR:$b)>;
3376 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3377 (SMULTB GPR:$a, GPR:$b)>;
3378 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3380 (SMULWB GPR:$a, GPR:$b)>;
3381 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3382 (SMULWB GPR:$a, GPR:$b)>;
3384 def : ARMV5TEPat<(add GPR:$acc,
3385 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3386 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3387 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3388 def : ARMV5TEPat<(add GPR:$acc,
3389 (mul sext_16_node:$a, sext_16_node:$b)),
3390 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3391 def : ARMV5TEPat<(add GPR:$acc,
3392 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3393 (sra GPR:$b, (i32 16)))),
3394 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3395 def : ARMV5TEPat<(add GPR:$acc,
3396 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3397 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3398 def : ARMV5TEPat<(add GPR:$acc,
3399 (mul (sra GPR:$a, (i32 16)),
3400 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3401 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3402 def : ARMV5TEPat<(add GPR:$acc,
3403 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3404 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3405 def : ARMV5TEPat<(add GPR:$acc,
3406 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3408 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3409 def : ARMV5TEPat<(add GPR:$acc,
3410 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3411 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3413 //===----------------------------------------------------------------------===//
3417 include "ARMInstrThumb.td"
3419 //===----------------------------------------------------------------------===//
3423 include "ARMInstrThumb2.td"
3425 //===----------------------------------------------------------------------===//
3426 // Floating Point Support
3429 include "ARMInstrVFP.td"
3431 //===----------------------------------------------------------------------===//
3432 // Advanced SIMD (NEON) Support
3435 include "ARMInstrNEON.td"
3437 //===----------------------------------------------------------------------===//
3438 // Coprocessor Instructions. For disassembly only.
3441 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3442 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3443 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3444 [/* For disassembly only; pattern left blank */]> {
3448 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3449 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3450 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3451 [/* For disassembly only; pattern left blank */]> {
3452 let Inst{31-28} = 0b1111;
3456 class ACI<dag oops, dag iops, string opc, string asm>
3457 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3458 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3459 let Inst{27-25} = 0b110;
3462 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3464 def _OFFSET : ACI<(outs),
3465 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3466 opc, "\tp$cop, cr$CRd, $addr"> {
3467 let Inst{31-28} = op31_28;
3468 let Inst{24} = 1; // P = 1
3469 let Inst{21} = 0; // W = 0
3470 let Inst{22} = 0; // D = 0
3471 let Inst{20} = load;
3474 def _PRE : ACI<(outs),
3475 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3476 opc, "\tp$cop, cr$CRd, $addr!"> {
3477 let Inst{31-28} = op31_28;
3478 let Inst{24} = 1; // P = 1
3479 let Inst{21} = 1; // W = 1
3480 let Inst{22} = 0; // D = 0
3481 let Inst{20} = load;
3484 def _POST : ACI<(outs),
3485 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3486 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3487 let Inst{31-28} = op31_28;
3488 let Inst{24} = 0; // P = 0
3489 let Inst{21} = 1; // W = 1
3490 let Inst{22} = 0; // D = 0
3491 let Inst{20} = load;
3494 def _OPTION : ACI<(outs),
3495 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3496 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3497 let Inst{31-28} = op31_28;
3498 let Inst{24} = 0; // P = 0
3499 let Inst{23} = 1; // U = 1
3500 let Inst{21} = 0; // W = 0
3501 let Inst{22} = 0; // D = 0
3502 let Inst{20} = load;
3505 def L_OFFSET : ACI<(outs),
3506 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3507 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3508 let Inst{31-28} = op31_28;
3509 let Inst{24} = 1; // P = 1
3510 let Inst{21} = 0; // W = 0
3511 let Inst{22} = 1; // D = 1
3512 let Inst{20} = load;
3515 def L_PRE : ACI<(outs),
3516 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3517 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3518 let Inst{31-28} = op31_28;
3519 let Inst{24} = 1; // P = 1
3520 let Inst{21} = 1; // W = 1
3521 let Inst{22} = 1; // D = 1
3522 let Inst{20} = load;
3525 def L_POST : ACI<(outs),
3526 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3527 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3528 let Inst{31-28} = op31_28;
3529 let Inst{24} = 0; // P = 0
3530 let Inst{21} = 1; // W = 1
3531 let Inst{22} = 1; // D = 1
3532 let Inst{20} = load;
3535 def L_OPTION : ACI<(outs),
3536 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3537 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3538 let Inst{31-28} = op31_28;
3539 let Inst{24} = 0; // P = 0
3540 let Inst{23} = 1; // U = 1
3541 let Inst{21} = 0; // W = 0
3542 let Inst{22} = 1; // D = 1
3543 let Inst{20} = load;
3547 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3548 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3549 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3550 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3552 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3553 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3554 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3555 [/* For disassembly only; pattern left blank */]> {
3560 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3561 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3562 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3563 [/* For disassembly only; pattern left blank */]> {
3564 let Inst{31-28} = 0b1111;
3569 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3570 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3571 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3572 [/* For disassembly only; pattern left blank */]> {
3577 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3578 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3579 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3580 [/* For disassembly only; pattern left blank */]> {
3581 let Inst{31-28} = 0b1111;
3586 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3587 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3588 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3589 [/* For disassembly only; pattern left blank */]> {
3590 let Inst{23-20} = 0b0100;
3593 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3594 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3595 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3596 [/* For disassembly only; pattern left blank */]> {
3597 let Inst{31-28} = 0b1111;
3598 let Inst{23-20} = 0b0100;
3601 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3602 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3603 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3604 [/* For disassembly only; pattern left blank */]> {
3605 let Inst{23-20} = 0b0101;
3608 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3609 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3610 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3611 [/* For disassembly only; pattern left blank */]> {
3612 let Inst{31-28} = 0b1111;
3613 let Inst{23-20} = 0b0101;
3616 //===----------------------------------------------------------------------===//
3617 // Move between special register and ARM core register -- for disassembly only
3620 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3621 [/* For disassembly only; pattern left blank */]> {
3622 let Inst{23-20} = 0b0000;
3623 let Inst{7-4} = 0b0000;
3626 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3627 [/* For disassembly only; pattern left blank */]> {
3628 let Inst{23-20} = 0b0100;
3629 let Inst{7-4} = 0b0000;
3632 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3633 "msr", "\tcpsr$mask, $src",
3634 [/* For disassembly only; pattern left blank */]> {
3635 let Inst{23-20} = 0b0010;
3636 let Inst{7-4} = 0b0000;
3639 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3640 "msr", "\tcpsr$mask, $a",
3641 [/* For disassembly only; pattern left blank */]> {
3642 let Inst{23-20} = 0b0010;
3643 let Inst{7-4} = 0b0000;
3646 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3647 "msr", "\tspsr$mask, $src",
3648 [/* For disassembly only; pattern left blank */]> {
3649 let Inst{23-20} = 0b0110;
3650 let Inst{7-4} = 0b0000;
3653 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3654 "msr", "\tspsr$mask, $a",
3655 [/* For disassembly only; pattern left blank */]> {
3656 let Inst{23-20} = 0b0110;
3657 let Inst{7-4} = 0b0000;