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, [SDTCisInt<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
75 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
76 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
77 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
79 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
80 [SDNPHasChain, SDNPOutGlue]>;
81 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
82 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
84 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
85 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
87 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
88 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
90 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
91 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
94 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
95 [SDNPHasChain, SDNPOptInGlue]>;
97 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
100 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
101 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
103 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
105 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
108 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
111 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
114 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
115 [SDNPOutGlue, SDNPCommutative]>;
117 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
119 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
120 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
121 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
123 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
124 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
125 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
127 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
128 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
129 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
132 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
134 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
136 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
137 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
139 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
141 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
142 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
145 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
147 //===----------------------------------------------------------------------===//
148 // ARM Instruction Predicate Definitions.
150 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
151 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
152 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
153 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
154 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
155 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
156 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
157 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
158 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
159 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
160 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
161 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
162 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
163 def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
164 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
165 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
167 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
169 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
171 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
173 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
174 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
175 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
176 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
177 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
178 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
179 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
180 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
182 // FIXME: Eventually this will be just "hasV6T2Ops".
183 def UseMovt : Predicate<"Subtarget->useMovt()">;
184 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
185 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
187 //===----------------------------------------------------------------------===//
188 // ARM Flag Definitions.
190 class RegConstraint<string C> {
191 string Constraints = C;
194 //===----------------------------------------------------------------------===//
195 // ARM specific transformation functions and pattern fragments.
198 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
199 // so_imm_neg def below.
200 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
204 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
205 // so_imm_not def below.
206 def so_imm_not_XFORM : SDNodeXForm<imm, [{
207 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
210 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
211 def imm1_15 : ImmLeaf<i32, [{
212 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
215 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
216 def imm16_31 : ImmLeaf<i32, [{
217 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
222 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
223 }], so_imm_neg_XFORM>;
227 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
228 }], so_imm_not_XFORM>;
230 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
231 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
232 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
235 /// Split a 32-bit immediate into two 16 bit parts.
236 def hi16 : SDNodeXForm<imm, [{
237 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
240 def lo16AllZero : PatLeaf<(i32 imm), [{
241 // Returns true if all low 16-bits are 0.
242 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
245 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
247 def imm0_65535 : ImmLeaf<i32, [{
248 return Imm >= 0 && Imm < 65536;
251 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
252 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
254 /// adde and sube predicates - True based on whether the carry flag output
255 /// will be needed or not.
256 def adde_dead_carry :
257 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
258 [{return !N->hasAnyUseOfValue(1);}]>;
259 def sube_dead_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
261 [{return !N->hasAnyUseOfValue(1);}]>;
262 def adde_live_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
264 [{return N->hasAnyUseOfValue(1);}]>;
265 def sube_live_carry :
266 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
267 [{return N->hasAnyUseOfValue(1);}]>;
269 // An 'and' node with a single use.
270 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
271 return N->hasOneUse();
274 // An 'xor' node with a single use.
275 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
276 return N->hasOneUse();
279 // An 'fmul' node with a single use.
280 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
281 return N->hasOneUse();
284 // An 'fadd' node which checks for single non-hazardous use.
285 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
286 return hasNoVMLxHazardUse(N);
289 // An 'fsub' node which checks for single non-hazardous use.
290 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
291 return hasNoVMLxHazardUse(N);
294 //===----------------------------------------------------------------------===//
295 // Operand Definitions.
299 // FIXME: rename brtarget to t2_brtarget
300 def brtarget : Operand<OtherVT> {
301 let EncoderMethod = "getBranchTargetOpValue";
304 // FIXME: get rid of this one?
305 def uncondbrtarget : Operand<OtherVT> {
306 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
309 // Branch target for ARM. Handles conditional/unconditional
310 def br_target : Operand<OtherVT> {
311 let EncoderMethod = "getARMBranchTargetOpValue";
315 // FIXME: rename bltarget to t2_bl_target?
316 def bltarget : Operand<i32> {
317 // Encoded the same as branch targets.
318 let EncoderMethod = "getBranchTargetOpValue";
321 // Call target for ARM. Handles conditional/unconditional
322 // FIXME: rename bl_target to t2_bltarget?
323 def bl_target : Operand<i32> {
324 // Encoded the same as branch targets.
325 let EncoderMethod = "getARMBranchTargetOpValue";
329 // A list of registers separated by comma. Used by load/store multiple.
330 def RegListAsmOperand : AsmOperandClass {
331 let Name = "RegList";
332 let SuperClasses = [];
335 def DPRRegListAsmOperand : AsmOperandClass {
336 let Name = "DPRRegList";
337 let SuperClasses = [];
340 def SPRRegListAsmOperand : AsmOperandClass {
341 let Name = "SPRRegList";
342 let SuperClasses = [];
345 def reglist : Operand<i32> {
346 let EncoderMethod = "getRegisterListOpValue";
347 let ParserMatchClass = RegListAsmOperand;
348 let PrintMethod = "printRegisterList";
351 def dpr_reglist : Operand<i32> {
352 let EncoderMethod = "getRegisterListOpValue";
353 let ParserMatchClass = DPRRegListAsmOperand;
354 let PrintMethod = "printRegisterList";
357 def spr_reglist : Operand<i32> {
358 let EncoderMethod = "getRegisterListOpValue";
359 let ParserMatchClass = SPRRegListAsmOperand;
360 let PrintMethod = "printRegisterList";
363 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
364 def cpinst_operand : Operand<i32> {
365 let PrintMethod = "printCPInstOperand";
369 def pclabel : Operand<i32> {
370 let PrintMethod = "printPCLabel";
373 // ADR instruction labels.
374 def adrlabel : Operand<i32> {
375 let EncoderMethod = "getAdrLabelOpValue";
378 def neon_vcvt_imm32 : Operand<i32> {
379 let EncoderMethod = "getNEONVcvtImm32OpValue";
382 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
383 def rot_imm : Operand<i32>, ImmLeaf<i32, [{
384 int32_t v = (int32_t)Imm;
385 return v == 8 || v == 16 || v == 24; }]> {
386 let EncoderMethod = "getRotImmOpValue";
389 def ShifterAsmOperand : AsmOperandClass {
390 let Name = "Shifter";
391 let SuperClasses = [];
394 // shift_imm: An integer that encodes a shift amount and the type of shift
395 // (currently either asr or lsl) using the same encoding used for the
396 // immediates in so_reg operands.
397 def shift_imm : Operand<i32> {
398 let PrintMethod = "printShiftImmOperand";
399 let ParserMatchClass = ShifterAsmOperand;
402 // shifter_operand operands: so_reg and so_imm.
403 def so_reg : Operand<i32>, // reg reg imm
404 ComplexPattern<i32, 3, "SelectShifterOperandReg",
405 [shl,srl,sra,rotr]> {
406 let EncoderMethod = "getSORegOpValue";
407 let PrintMethod = "printSORegOperand";
408 let MIOperandInfo = (ops GPR, GPR, shift_imm);
410 def shift_so_reg : Operand<i32>, // reg reg imm
411 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
412 [shl,srl,sra,rotr]> {
413 let EncoderMethod = "getSORegOpValue";
414 let PrintMethod = "printSORegOperand";
415 let MIOperandInfo = (ops GPR, GPR, shift_imm);
418 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
419 // 8-bit immediate rotated by an arbitrary number of bits.
420 def so_imm : Operand<i32>, ImmLeaf<i32, [{
421 return ARM_AM::getSOImmVal(Imm) != -1;
423 let EncoderMethod = "getSOImmOpValue";
424 let PrintMethod = "printSOImmOperand";
427 // Break so_imm's up into two pieces. This handles immediates with up to 16
428 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
429 // get the first/second pieces.
430 def so_imm2part : PatLeaf<(imm), [{
431 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
434 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
436 def arm_i32imm : PatLeaf<(imm), [{
437 if (Subtarget->hasV6T2Ops())
439 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
442 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
443 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
444 return Imm >= 0 && Imm < 32;
447 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
448 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
449 return Imm >= 0 && Imm < 32;
451 let EncoderMethod = "getImmMinusOneOpValue";
454 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
455 // The imm is split into imm{15-12}, imm{11-0}
457 def i32imm_hilo16 : Operand<i32> {
458 let EncoderMethod = "getHiLo16ImmOpValue";
461 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
463 def bf_inv_mask_imm : Operand<i32>,
465 return ARM::isBitFieldInvertedMask(N->getZExtValue());
467 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
468 let PrintMethod = "printBitfieldInvMaskImmOperand";
471 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
472 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
473 return isInt<5>(Imm);
476 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
477 def width_imm : Operand<i32>, ImmLeaf<i32, [{
478 return Imm > 0 && Imm <= 32;
480 let EncoderMethod = "getMsbOpValue";
483 def ssat_imm : Operand<i32>, ImmLeaf<i32, [{
484 return Imm > 0 && Imm <= 32;
486 let EncoderMethod = "getSsatBitPosValue";
489 // Define ARM specific addressing modes.
491 def MemMode2AsmOperand : AsmOperandClass {
492 let Name = "MemMode2";
493 let SuperClasses = [];
494 let ParserMethod = "tryParseMemMode2Operand";
497 def MemMode3AsmOperand : AsmOperandClass {
498 let Name = "MemMode3";
499 let SuperClasses = [];
500 let ParserMethod = "tryParseMemMode3Operand";
503 // addrmode_imm12 := reg +/- imm12
505 def addrmode_imm12 : Operand<i32>,
506 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
507 // 12-bit immediate operand. Note that instructions using this encode
508 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
509 // immediate values are as normal.
511 let EncoderMethod = "getAddrModeImm12OpValue";
512 let PrintMethod = "printAddrModeImm12Operand";
513 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
515 // ldst_so_reg := reg +/- reg shop imm
517 def ldst_so_reg : Operand<i32>,
518 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
519 let EncoderMethod = "getLdStSORegOpValue";
520 // FIXME: Simplify the printer
521 let PrintMethod = "printAddrMode2Operand";
522 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
525 // addrmode2 := reg +/- imm12
526 // := reg +/- reg shop imm
528 def addrmode2 : Operand<i32>,
529 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
530 let EncoderMethod = "getAddrMode2OpValue";
531 let PrintMethod = "printAddrMode2Operand";
532 let ParserMatchClass = MemMode2AsmOperand;
533 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
536 def am2offset : Operand<i32>,
537 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
538 [], [SDNPWantRoot]> {
539 let EncoderMethod = "getAddrMode2OffsetOpValue";
540 let PrintMethod = "printAddrMode2OffsetOperand";
541 let MIOperandInfo = (ops GPR, i32imm);
544 // addrmode3 := reg +/- reg
545 // addrmode3 := reg +/- imm8
547 def addrmode3 : Operand<i32>,
548 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
549 let EncoderMethod = "getAddrMode3OpValue";
550 let PrintMethod = "printAddrMode3Operand";
551 let ParserMatchClass = MemMode3AsmOperand;
552 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
555 def am3offset : Operand<i32>,
556 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
557 [], [SDNPWantRoot]> {
558 let EncoderMethod = "getAddrMode3OffsetOpValue";
559 let PrintMethod = "printAddrMode3OffsetOperand";
560 let MIOperandInfo = (ops GPR, i32imm);
563 // ldstm_mode := {ia, ib, da, db}
565 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
566 let EncoderMethod = "getLdStmModeOpValue";
567 let PrintMethod = "printLdStmModeOperand";
570 def MemMode5AsmOperand : AsmOperandClass {
571 let Name = "MemMode5";
572 let SuperClasses = [];
575 // addrmode5 := reg +/- imm8*4
577 def addrmode5 : Operand<i32>,
578 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
579 let PrintMethod = "printAddrMode5Operand";
580 let MIOperandInfo = (ops GPR:$base, i32imm);
581 let ParserMatchClass = MemMode5AsmOperand;
582 let EncoderMethod = "getAddrMode5OpValue";
585 // addrmode6 := reg with optional alignment
587 def addrmode6 : Operand<i32>,
588 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
589 let PrintMethod = "printAddrMode6Operand";
590 let MIOperandInfo = (ops GPR:$addr, i32imm);
591 let EncoderMethod = "getAddrMode6AddressOpValue";
594 def am6offset : Operand<i32>,
595 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
596 [], [SDNPWantRoot]> {
597 let PrintMethod = "printAddrMode6OffsetOperand";
598 let MIOperandInfo = (ops GPR);
599 let EncoderMethod = "getAddrMode6OffsetOpValue";
602 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
603 // (single element from one lane) for size 32.
604 def addrmode6oneL32 : Operand<i32>,
605 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
606 let PrintMethod = "printAddrMode6Operand";
607 let MIOperandInfo = (ops GPR:$addr, i32imm);
608 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
611 // Special version of addrmode6 to handle alignment encoding for VLD-dup
612 // instructions, specifically VLD4-dup.
613 def addrmode6dup : Operand<i32>,
614 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
615 let PrintMethod = "printAddrMode6Operand";
616 let MIOperandInfo = (ops GPR:$addr, i32imm);
617 let EncoderMethod = "getAddrMode6DupAddressOpValue";
620 // addrmodepc := pc + reg
622 def addrmodepc : Operand<i32>,
623 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
624 let PrintMethod = "printAddrModePCOperand";
625 let MIOperandInfo = (ops GPR, i32imm);
628 def MemMode7AsmOperand : AsmOperandClass {
629 let Name = "MemMode7";
630 let SuperClasses = [];
634 // Used by load/store exclusive instructions. Useful to enable right assembly
635 // parsing and printing. Not used for any codegen matching.
637 def addrmode7 : Operand<i32> {
638 let PrintMethod = "printAddrMode7Operand";
639 let MIOperandInfo = (ops GPR);
640 let ParserMatchClass = MemMode7AsmOperand;
643 def nohash_imm : Operand<i32> {
644 let PrintMethod = "printNoHashImmediate";
647 def CoprocNumAsmOperand : AsmOperandClass {
648 let Name = "CoprocNum";
649 let SuperClasses = [];
650 let ParserMethod = "tryParseCoprocNumOperand";
653 def CoprocRegAsmOperand : AsmOperandClass {
654 let Name = "CoprocReg";
655 let SuperClasses = [];
656 let ParserMethod = "tryParseCoprocRegOperand";
659 def p_imm : Operand<i32> {
660 let PrintMethod = "printPImmediate";
661 let ParserMatchClass = CoprocNumAsmOperand;
664 def c_imm : Operand<i32> {
665 let PrintMethod = "printCImmediate";
666 let ParserMatchClass = CoprocRegAsmOperand;
669 //===----------------------------------------------------------------------===//
671 include "ARMInstrFormats.td"
673 //===----------------------------------------------------------------------===//
674 // Multiclass helpers...
677 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
678 /// binop that produces a value.
679 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
680 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
681 PatFrag opnode, string baseOpc, bit Commutable = 0> {
682 // The register-immediate version is re-materializable. This is useful
683 // in particular for taking the address of a local.
684 let isReMaterializable = 1 in {
685 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
686 iii, opc, "\t$Rd, $Rn, $imm",
687 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
692 let Inst{19-16} = Rn;
693 let Inst{15-12} = Rd;
694 let Inst{11-0} = imm;
697 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
698 iir, opc, "\t$Rd, $Rn, $Rm",
699 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
704 let isCommutable = Commutable;
705 let Inst{19-16} = Rn;
706 let Inst{15-12} = Rd;
707 let Inst{11-4} = 0b00000000;
710 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
711 iis, opc, "\t$Rd, $Rn, $shift",
712 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
717 let Inst{19-16} = Rn;
718 let Inst{15-12} = Rd;
719 let Inst{11-0} = shift;
722 // Assembly aliases for optional destination operand when it's the same
723 // as the source operand.
724 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
725 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
726 so_imm:$imm, pred:$p,
729 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
730 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
734 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
735 (!cast<Instruction>(!strconcat(baseOpc, "rs")) GPR:$Rdn, GPR:$Rdn,
736 so_reg:$shift, pred:$p,
741 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
742 /// instruction modifies the CPSR register.
743 let isCodeGenOnly = 1, Defs = [CPSR] in {
744 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
745 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
746 PatFrag opnode, bit Commutable = 0> {
747 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
748 iii, opc, "\t$Rd, $Rn, $imm",
749 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
755 let Inst{19-16} = Rn;
756 let Inst{15-12} = Rd;
757 let Inst{11-0} = imm;
759 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
760 iir, opc, "\t$Rd, $Rn, $Rm",
761 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
765 let isCommutable = Commutable;
768 let Inst{19-16} = Rn;
769 let Inst{15-12} = Rd;
770 let Inst{11-4} = 0b00000000;
773 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
774 iis, opc, "\t$Rd, $Rn, $shift",
775 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
781 let Inst{19-16} = Rn;
782 let Inst{15-12} = Rd;
783 let Inst{11-0} = shift;
788 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
789 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
790 /// a explicit result, only implicitly set CPSR.
791 let isCompare = 1, Defs = [CPSR] in {
792 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
793 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
794 PatFrag opnode, bit Commutable = 0> {
795 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
797 [(opnode GPR:$Rn, so_imm:$imm)]> {
802 let Inst{19-16} = Rn;
803 let Inst{15-12} = 0b0000;
804 let Inst{11-0} = imm;
806 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
808 [(opnode GPR:$Rn, GPR:$Rm)]> {
811 let isCommutable = Commutable;
814 let Inst{19-16} = Rn;
815 let Inst{15-12} = 0b0000;
816 let Inst{11-4} = 0b00000000;
819 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
820 opc, "\t$Rn, $shift",
821 [(opnode GPR:$Rn, so_reg:$shift)]> {
826 let Inst{19-16} = Rn;
827 let Inst{15-12} = 0b0000;
828 let Inst{11-0} = shift;
833 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
834 /// register and one whose operand is a register rotated by 8/16/24.
835 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
836 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
837 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
838 IIC_iEXTr, opc, "\t$Rd, $Rm",
839 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
840 Requires<[IsARM, HasV6]> {
843 let Inst{19-16} = 0b1111;
844 let Inst{15-12} = Rd;
845 let Inst{11-10} = 0b00;
848 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
849 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
850 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
851 Requires<[IsARM, HasV6]> {
855 let Inst{19-16} = 0b1111;
856 let Inst{15-12} = Rd;
857 let Inst{11-10} = rot;
862 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
863 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
864 IIC_iEXTr, opc, "\t$Rd, $Rm",
865 [/* For disassembly only; pattern left blank */]>,
866 Requires<[IsARM, HasV6]> {
867 let Inst{19-16} = 0b1111;
868 let Inst{11-10} = 0b00;
870 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
871 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
872 [/* For disassembly only; pattern left blank */]>,
873 Requires<[IsARM, HasV6]> {
875 let Inst{19-16} = 0b1111;
876 let Inst{11-10} = rot;
880 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
881 /// register and one whose operand is a register rotated by 8/16/24.
882 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
883 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
884 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
885 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
886 Requires<[IsARM, HasV6]> {
890 let Inst{19-16} = Rn;
891 let Inst{15-12} = Rd;
892 let Inst{11-10} = 0b00;
893 let Inst{9-4} = 0b000111;
896 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
898 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
899 [(set GPR:$Rd, (opnode GPR:$Rn,
900 (rotr GPR:$Rm, rot_imm:$rot)))]>,
901 Requires<[IsARM, HasV6]> {
906 let Inst{19-16} = Rn;
907 let Inst{15-12} = Rd;
908 let Inst{11-10} = rot;
909 let Inst{9-4} = 0b000111;
914 // For disassembly only.
915 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
916 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
917 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
918 [/* For disassembly only; pattern left blank */]>,
919 Requires<[IsARM, HasV6]> {
920 let Inst{11-10} = 0b00;
922 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
924 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
925 [/* For disassembly only; pattern left blank */]>,
926 Requires<[IsARM, HasV6]> {
929 let Inst{19-16} = Rn;
930 let Inst{11-10} = rot;
934 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
935 let Uses = [CPSR] in {
936 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
937 bit Commutable = 0> {
938 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
939 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
940 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
946 let Inst{15-12} = Rd;
947 let Inst{19-16} = Rn;
948 let Inst{11-0} = imm;
950 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
951 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
952 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
957 let Inst{11-4} = 0b00000000;
959 let isCommutable = Commutable;
961 let Inst{15-12} = Rd;
962 let Inst{19-16} = Rn;
964 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
965 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
966 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
972 let Inst{11-0} = shift;
973 let Inst{15-12} = Rd;
974 let Inst{19-16} = Rn;
979 // Carry setting variants
980 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
981 let usesCustomInserter = 1 in {
982 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
983 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
984 Size4Bytes, IIC_iALUi,
985 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
986 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
987 Size4Bytes, IIC_iALUr,
988 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
989 let isCommutable = Commutable;
991 def rs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
992 Size4Bytes, IIC_iALUsr,
993 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
997 let canFoldAsLoad = 1, isReMaterializable = 1 in {
998 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
999 InstrItinClass iir, PatFrag opnode> {
1000 // Note: We use the complex addrmode_imm12 rather than just an input
1001 // GPR and a constrained immediate so that we can use this to match
1002 // frame index references and avoid matching constant pool references.
1003 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1004 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1005 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1008 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1009 let Inst{19-16} = addr{16-13}; // Rn
1010 let Inst{15-12} = Rt;
1011 let Inst{11-0} = addr{11-0}; // imm12
1013 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1014 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1015 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1018 let shift{4} = 0; // Inst{4} = 0
1019 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1020 let Inst{19-16} = shift{16-13}; // Rn
1021 let Inst{15-12} = Rt;
1022 let Inst{11-0} = shift{11-0};
1027 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1028 InstrItinClass iir, PatFrag opnode> {
1029 // Note: We use the complex addrmode_imm12 rather than just an input
1030 // GPR and a constrained immediate so that we can use this to match
1031 // frame index references and avoid matching constant pool references.
1032 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1033 (ins GPR:$Rt, addrmode_imm12:$addr),
1034 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1035 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1038 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1039 let Inst{19-16} = addr{16-13}; // Rn
1040 let Inst{15-12} = Rt;
1041 let Inst{11-0} = addr{11-0}; // imm12
1043 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1044 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1045 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1048 let shift{4} = 0; // Inst{4} = 0
1049 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1050 let Inst{19-16} = shift{16-13}; // Rn
1051 let Inst{15-12} = Rt;
1052 let Inst{11-0} = shift{11-0};
1055 //===----------------------------------------------------------------------===//
1057 //===----------------------------------------------------------------------===//
1059 //===----------------------------------------------------------------------===//
1060 // Miscellaneous Instructions.
1063 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1064 /// the function. The first operand is the ID# for this instruction, the second
1065 /// is the index into the MachineConstantPool that this is, the third is the
1066 /// size in bytes of this constant pool entry.
1067 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1068 def CONSTPOOL_ENTRY :
1069 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1070 i32imm:$size), NoItinerary, []>;
1072 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1073 // from removing one half of the matched pairs. That breaks PEI, which assumes
1074 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1075 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1076 def ADJCALLSTACKUP :
1077 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1078 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1080 def ADJCALLSTACKDOWN :
1081 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1082 [(ARMcallseq_start timm:$amt)]>;
1085 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1086 [/* For disassembly only; pattern left blank */]>,
1087 Requires<[IsARM, HasV6T2]> {
1088 let Inst{27-16} = 0b001100100000;
1089 let Inst{15-8} = 0b11110000;
1090 let Inst{7-0} = 0b00000000;
1093 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1094 [/* For disassembly only; pattern left blank */]>,
1095 Requires<[IsARM, HasV6T2]> {
1096 let Inst{27-16} = 0b001100100000;
1097 let Inst{15-8} = 0b11110000;
1098 let Inst{7-0} = 0b00000001;
1101 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1102 [/* For disassembly only; pattern left blank */]>,
1103 Requires<[IsARM, HasV6T2]> {
1104 let Inst{27-16} = 0b001100100000;
1105 let Inst{15-8} = 0b11110000;
1106 let Inst{7-0} = 0b00000010;
1109 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1110 [/* For disassembly only; pattern left blank */]>,
1111 Requires<[IsARM, HasV6T2]> {
1112 let Inst{27-16} = 0b001100100000;
1113 let Inst{15-8} = 0b11110000;
1114 let Inst{7-0} = 0b00000011;
1117 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1119 [/* For disassembly only; pattern left blank */]>,
1120 Requires<[IsARM, HasV6]> {
1125 let Inst{15-12} = Rd;
1126 let Inst{19-16} = Rn;
1127 let Inst{27-20} = 0b01101000;
1128 let Inst{7-4} = 0b1011;
1129 let Inst{11-8} = 0b1111;
1132 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1133 [/* For disassembly only; pattern left blank */]>,
1134 Requires<[IsARM, HasV6T2]> {
1135 let Inst{27-16} = 0b001100100000;
1136 let Inst{15-8} = 0b11110000;
1137 let Inst{7-0} = 0b00000100;
1140 // The i32imm operand $val can be used by a debugger to store more information
1141 // about the breakpoint.
1142 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1143 [/* For disassembly only; pattern left blank */]>,
1146 let Inst{3-0} = val{3-0};
1147 let Inst{19-8} = val{15-4};
1148 let Inst{27-20} = 0b00010010;
1149 let Inst{7-4} = 0b0111;
1152 // Change Processor State is a system instruction -- for disassembly and
1154 // FIXME: Since the asm parser has currently no clean way to handle optional
1155 // operands, create 3 versions of the same instruction. Once there's a clean
1156 // framework to represent optional operands, change this behavior.
1157 class CPS<dag iops, string asm_ops>
1158 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1159 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1165 let Inst{31-28} = 0b1111;
1166 let Inst{27-20} = 0b00010000;
1167 let Inst{19-18} = imod;
1168 let Inst{17} = M; // Enabled if mode is set;
1170 let Inst{8-6} = iflags;
1172 let Inst{4-0} = mode;
1176 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1177 "$imod\t$iflags, $mode">;
1178 let mode = 0, M = 0 in
1179 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1181 let imod = 0, iflags = 0, M = 1 in
1182 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1184 // Preload signals the memory system of possible future data/instruction access.
1185 // These are for disassembly only.
1186 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1188 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1189 !strconcat(opc, "\t$addr"),
1190 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1193 let Inst{31-26} = 0b111101;
1194 let Inst{25} = 0; // 0 for immediate form
1195 let Inst{24} = data;
1196 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1197 let Inst{22} = read;
1198 let Inst{21-20} = 0b01;
1199 let Inst{19-16} = addr{16-13}; // Rn
1200 let Inst{15-12} = 0b1111;
1201 let Inst{11-0} = addr{11-0}; // imm12
1204 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1205 !strconcat(opc, "\t$shift"),
1206 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1208 let Inst{31-26} = 0b111101;
1209 let Inst{25} = 1; // 1 for register form
1210 let Inst{24} = data;
1211 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1212 let Inst{22} = read;
1213 let Inst{21-20} = 0b01;
1214 let Inst{19-16} = shift{16-13}; // Rn
1215 let Inst{15-12} = 0b1111;
1216 let Inst{11-0} = shift{11-0};
1220 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1221 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1222 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1224 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1226 [/* For disassembly only; pattern left blank */]>,
1229 let Inst{31-10} = 0b1111000100000001000000;
1234 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1235 [/* For disassembly only; pattern left blank */]>,
1236 Requires<[IsARM, HasV7]> {
1238 let Inst{27-4} = 0b001100100000111100001111;
1239 let Inst{3-0} = opt;
1242 // A5.4 Permanently UNDEFINED instructions.
1243 let isBarrier = 1, isTerminator = 1 in
1244 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1247 let Inst = 0xe7ffdefe;
1250 // Address computation and loads and stores in PIC mode.
1251 let isNotDuplicable = 1 in {
1252 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1253 Size4Bytes, IIC_iALUr,
1254 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1256 let AddedComplexity = 10 in {
1257 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1258 Size4Bytes, IIC_iLoad_r,
1259 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1261 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1262 Size4Bytes, IIC_iLoad_bh_r,
1263 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1265 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1266 Size4Bytes, IIC_iLoad_bh_r,
1267 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1269 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1270 Size4Bytes, IIC_iLoad_bh_r,
1271 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1273 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1274 Size4Bytes, IIC_iLoad_bh_r,
1275 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1277 let AddedComplexity = 10 in {
1278 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1279 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1281 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1282 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1283 addrmodepc:$addr)]>;
1285 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1286 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1288 } // isNotDuplicable = 1
1291 // LEApcrel - Load a pc-relative address into a register without offending the
1293 let neverHasSideEffects = 1, isReMaterializable = 1 in
1294 // The 'adr' mnemonic encodes differently if the label is before or after
1295 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1296 // know until then which form of the instruction will be used.
1297 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1298 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1301 let Inst{27-25} = 0b001;
1303 let Inst{19-16} = 0b1111;
1304 let Inst{15-12} = Rd;
1305 let Inst{11-0} = label;
1307 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1308 Size4Bytes, IIC_iALUi, []>;
1310 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1311 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1312 Size4Bytes, IIC_iALUi, []>;
1314 //===----------------------------------------------------------------------===//
1315 // Control Flow Instructions.
1318 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1320 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1321 "bx", "\tlr", [(ARMretflag)]>,
1322 Requires<[IsARM, HasV4T]> {
1323 let Inst{27-0} = 0b0001001011111111111100011110;
1327 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1328 "mov", "\tpc, lr", [(ARMretflag)]>,
1329 Requires<[IsARM, NoV4T]> {
1330 let Inst{27-0} = 0b0001101000001111000000001110;
1334 // Indirect branches
1335 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1337 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1338 [(brind GPR:$dst)]>,
1339 Requires<[IsARM, HasV4T]> {
1341 let Inst{31-4} = 0b1110000100101111111111110001;
1342 let Inst{3-0} = dst;
1345 // For disassembly only.
1346 def BX_pred : AXI<(outs), (ins GPR:$dst, pred:$p), BrMiscFrm, IIC_Br,
1347 "bx$p\t$dst", [/* pattern left blank */]>,
1348 Requires<[IsARM, HasV4T]> {
1350 let Inst{27-4} = 0b000100101111111111110001;
1351 let Inst{3-0} = dst;
1355 // FIXME: We would really like to define this as a vanilla ARMPat like:
1356 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1357 // With that, however, we can't set isBranch, isTerminator, etc..
1358 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1359 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1360 Requires<[IsARM, NoV4T]>;
1363 // All calls clobber the non-callee saved registers. SP is marked as
1364 // a use to prevent stack-pointer assignments that appear immediately
1365 // before calls from potentially appearing dead.
1367 // On non-Darwin platforms R9 is callee-saved.
1368 // FIXME: Do we really need a non-predicated version? If so, it should
1369 // at least be a pseudo instruction expanding to the predicated version
1370 // at MC lowering time.
1371 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1373 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1374 IIC_Br, "bl\t$func",
1375 [(ARMcall tglobaladdr:$func)]>,
1376 Requires<[IsARM, IsNotDarwin]> {
1377 let Inst{31-28} = 0b1110;
1379 let Inst{23-0} = func;
1382 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1383 IIC_Br, "bl", "\t$func",
1384 [(ARMcall_pred tglobaladdr:$func)]>,
1385 Requires<[IsARM, IsNotDarwin]> {
1387 let Inst{23-0} = func;
1391 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1392 IIC_Br, "blx\t$func",
1393 [(ARMcall GPR:$func)]>,
1394 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1396 let Inst{31-4} = 0b1110000100101111111111110011;
1397 let Inst{3-0} = func;
1400 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1401 IIC_Br, "blx", "\t$func",
1402 [(ARMcall_pred GPR:$func)]>,
1403 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1405 let Inst{27-4} = 0b000100101111111111110011;
1406 let Inst{3-0} = func;
1410 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1411 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1412 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1413 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1416 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1417 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1418 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1422 // On Darwin R9 is call-clobbered.
1423 // R7 is marked as a use to prevent frame-pointer assignments from being
1424 // moved above / below calls.
1425 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1426 Uses = [R7, SP] in {
1427 def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
1429 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
1431 def BLr9_pred : ARMPseudoInst<(outs),
1432 (ins bltarget:$func, pred:$p, variable_ops),
1434 [(ARMcall_pred tglobaladdr:$func)]>,
1435 Requires<[IsARM, IsDarwin]>;
1438 def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$func, variable_ops),
1440 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]>;
1442 def BLXr9_pred: ARMPseudoInst<(outs), (ins GPR:$func, pred:$p, variable_ops),
1444 [(ARMcall_pred GPR:$func)]>,
1445 Requires<[IsARM, HasV5T, IsDarwin]>;
1448 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1449 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1450 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1451 Requires<[IsARM, HasV4T, IsDarwin]>;
1454 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1455 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1456 Requires<[IsARM, NoV4T, IsDarwin]>;
1461 // FIXME: The Thumb versions of these should live in ARMInstrThumb.td
1462 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1464 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1466 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1467 IIC_Br, []>, Requires<[IsDarwin]>;
1469 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1470 IIC_Br, []>, Requires<[IsDarwin]>;
1472 def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1474 []>, Requires<[IsARM, IsDarwin]>;
1476 def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1478 []>, Requires<[IsThumb, IsDarwin]>;
1480 def TAILJMPr : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1482 []>, Requires<[IsARM, IsDarwin]>;
1484 def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1486 []>, Requires<[IsThumb, IsDarwin]>;
1489 // Non-Darwin versions (the difference is R9).
1490 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1492 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1493 IIC_Br, []>, Requires<[IsNotDarwin]>;
1495 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1496 IIC_Br, []>, Requires<[IsNotDarwin]>;
1498 def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1500 []>, Requires<[IsARM, IsNotDarwin]>;
1502 def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1504 []>, Requires<[IsThumb, IsNotDarwin]>;
1506 def TAILJMPrND : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1508 []>, Requires<[IsARM, IsNotDarwin]>;
1509 def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1511 []>, Requires<[IsThumb, IsNotDarwin]>;
1515 let isBranch = 1, isTerminator = 1 in {
1516 // B is "predicable" since it's just a Bcc with an 'always' condition.
1517 let isBarrier = 1 in {
1518 let isPredicable = 1 in
1519 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1520 // should be sufficient.
1521 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1524 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1525 def BR_JTr : ARMPseudoInst<(outs),
1526 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1527 SizeSpecial, IIC_Br,
1528 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1529 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1530 // into i12 and rs suffixed versions.
1531 def BR_JTm : ARMPseudoInst<(outs),
1532 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1533 SizeSpecial, IIC_Br,
1534 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1536 def BR_JTadd : ARMPseudoInst<(outs),
1537 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1538 SizeSpecial, IIC_Br,
1539 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1541 } // isNotDuplicable = 1, isIndirectBranch = 1
1544 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1545 // a two-value operand where a dag node expects two operands. :(
1546 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1547 IIC_Br, "b", "\t$target",
1548 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1550 let Inst{23-0} = target;
1554 // BLX (immediate) -- for disassembly only
1555 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1556 "blx\t$target", [/* pattern left blank */]>,
1557 Requires<[IsARM, HasV5T]> {
1558 let Inst{31-25} = 0b1111101;
1560 let Inst{23-0} = target{24-1};
1561 let Inst{24} = target{0};
1564 // Branch and Exchange Jazelle -- for disassembly only
1565 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1566 [/* For disassembly only; pattern left blank */]> {
1567 let Inst{23-20} = 0b0010;
1568 //let Inst{19-8} = 0xfff;
1569 let Inst{7-4} = 0b0010;
1572 // Secure Monitor Call is a system instruction -- for disassembly only
1573 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1574 [/* For disassembly only; pattern left blank */]> {
1576 let Inst{23-4} = 0b01100000000000000111;
1577 let Inst{3-0} = opt;
1580 // Supervisor Call (Software Interrupt) -- for disassembly only
1581 let isCall = 1, Uses = [SP] in {
1582 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1583 [/* For disassembly only; pattern left blank */]> {
1585 let Inst{23-0} = svc;
1588 def : MnemonicAlias<"swi", "svc">;
1590 // Store Return State is a system instruction -- for disassembly only
1591 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1592 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1593 NoItinerary, "srs${amode}\tsp!, $mode",
1594 [/* For disassembly only; pattern left blank */]> {
1595 let Inst{31-28} = 0b1111;
1596 let Inst{22-20} = 0b110; // W = 1
1597 let Inst{19-8} = 0xd05;
1598 let Inst{7-5} = 0b000;
1601 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1602 NoItinerary, "srs${amode}\tsp, $mode",
1603 [/* For disassembly only; pattern left blank */]> {
1604 let Inst{31-28} = 0b1111;
1605 let Inst{22-20} = 0b100; // W = 0
1606 let Inst{19-8} = 0xd05;
1607 let Inst{7-5} = 0b000;
1610 // Return From Exception is a system instruction -- for disassembly only
1611 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1612 NoItinerary, "rfe${amode}\t$base!",
1613 [/* For disassembly only; pattern left blank */]> {
1614 let Inst{31-28} = 0b1111;
1615 let Inst{22-20} = 0b011; // W = 1
1616 let Inst{15-0} = 0x0a00;
1619 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1620 NoItinerary, "rfe${amode}\t$base",
1621 [/* For disassembly only; pattern left blank */]> {
1622 let Inst{31-28} = 0b1111;
1623 let Inst{22-20} = 0b001; // W = 0
1624 let Inst{15-0} = 0x0a00;
1626 } // isCodeGenOnly = 1
1628 //===----------------------------------------------------------------------===//
1629 // Load / store Instructions.
1635 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1636 UnOpFrag<(load node:$Src)>>;
1637 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1638 UnOpFrag<(zextloadi8 node:$Src)>>;
1639 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1640 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1641 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1642 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1644 // Special LDR for loads from non-pc-relative constpools.
1645 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1646 isReMaterializable = 1 in
1647 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1648 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1652 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1653 let Inst{19-16} = 0b1111;
1654 let Inst{15-12} = Rt;
1655 let Inst{11-0} = addr{11-0}; // imm12
1658 // Loads with zero extension
1659 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1660 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1661 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1663 // Loads with sign extension
1664 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1665 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1666 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1668 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1669 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1670 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1672 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1674 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1675 (ins addrmode3:$addr), LdMiscFrm,
1676 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1677 []>, Requires<[IsARM, HasV5TE]>;
1681 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1682 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1683 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1684 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1686 // {13} 1 == Rm, 0 == imm12
1690 let Inst{25} = addr{13};
1691 let Inst{23} = addr{12};
1692 let Inst{19-16} = addr{17-14};
1693 let Inst{11-0} = addr{11-0};
1694 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1696 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1697 (ins GPR:$Rn, am2offset:$offset),
1698 IndexModePost, LdFrm, itin,
1699 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1700 // {13} 1 == Rm, 0 == imm12
1705 let Inst{25} = offset{13};
1706 let Inst{23} = offset{12};
1707 let Inst{19-16} = Rn;
1708 let Inst{11-0} = offset{11-0};
1712 let mayLoad = 1, neverHasSideEffects = 1 in {
1713 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1714 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1717 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1718 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1719 (ins addrmode3:$addr), IndexModePre,
1721 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1723 let Inst{23} = addr{8}; // U bit
1724 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1725 let Inst{19-16} = addr{12-9}; // Rn
1726 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1727 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1729 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1730 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1732 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1735 let Inst{23} = offset{8}; // U bit
1736 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1737 let Inst{19-16} = Rn;
1738 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1739 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1743 let mayLoad = 1, neverHasSideEffects = 1 in {
1744 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1745 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1746 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1747 let hasExtraDefRegAllocReq = 1 in {
1748 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1749 (ins addrmode3:$addr), IndexModePre,
1750 LdMiscFrm, IIC_iLoad_d_ru,
1751 "ldrd", "\t$Rt, $Rt2, $addr!",
1752 "$addr.base = $Rn_wb", []> {
1754 let Inst{23} = addr{8}; // U bit
1755 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1756 let Inst{19-16} = addr{12-9}; // Rn
1757 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1758 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1760 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1761 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1762 LdMiscFrm, IIC_iLoad_d_ru,
1763 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1764 "$Rn = $Rn_wb", []> {
1767 let Inst{23} = offset{8}; // U bit
1768 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1769 let Inst{19-16} = Rn;
1770 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1771 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1773 } // hasExtraDefRegAllocReq = 1
1774 } // mayLoad = 1, neverHasSideEffects = 1
1776 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1777 let mayLoad = 1, neverHasSideEffects = 1 in {
1778 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1779 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1780 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1782 // {13} 1 == Rm, 0 == imm12
1786 let Inst{25} = addr{13};
1787 let Inst{23} = addr{12};
1788 let Inst{21} = 1; // overwrite
1789 let Inst{19-16} = addr{17-14};
1790 let Inst{11-0} = addr{11-0};
1791 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1793 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1794 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1795 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1797 // {13} 1 == Rm, 0 == imm12
1801 let Inst{25} = addr{13};
1802 let Inst{23} = addr{12};
1803 let Inst{21} = 1; // overwrite
1804 let Inst{19-16} = addr{17-14};
1805 let Inst{11-0} = addr{11-0};
1806 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1808 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1809 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1810 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1811 let Inst{21} = 1; // overwrite
1813 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1814 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1815 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1816 let Inst{21} = 1; // overwrite
1818 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1819 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1820 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1821 let Inst{21} = 1; // overwrite
1827 // Stores with truncate
1828 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1829 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1830 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1833 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1834 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1835 StMiscFrm, IIC_iStore_d_r,
1836 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1839 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1840 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1841 IndexModePre, StFrm, IIC_iStore_ru,
1842 "str", "\t$Rt, [$Rn, $offset]!",
1843 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1845 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1847 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1848 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1849 IndexModePost, StFrm, IIC_iStore_ru,
1850 "str", "\t$Rt, [$Rn], $offset",
1851 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1853 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1855 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1856 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1857 IndexModePre, StFrm, IIC_iStore_bh_ru,
1858 "strb", "\t$Rt, [$Rn, $offset]!",
1859 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1860 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1861 GPR:$Rn, am2offset:$offset))]>;
1862 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1863 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1864 IndexModePost, StFrm, IIC_iStore_bh_ru,
1865 "strb", "\t$Rt, [$Rn], $offset",
1866 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1867 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1868 GPR:$Rn, am2offset:$offset))]>;
1870 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1871 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1872 IndexModePre, StMiscFrm, IIC_iStore_ru,
1873 "strh", "\t$Rt, [$Rn, $offset]!",
1874 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1876 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1878 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1879 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1880 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1881 "strh", "\t$Rt, [$Rn], $offset",
1882 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1883 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1884 GPR:$Rn, am3offset:$offset))]>;
1886 // For disassembly only
1887 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1888 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1889 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1890 StMiscFrm, IIC_iStore_d_ru,
1891 "strd", "\t$src1, $src2, [$base, $offset]!",
1892 "$base = $base_wb", []>;
1894 // For disassembly only
1895 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1896 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1897 StMiscFrm, IIC_iStore_d_ru,
1898 "strd", "\t$src1, $src2, [$base], $offset",
1899 "$base = $base_wb", []>;
1900 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
1902 // STRT, STRBT, and STRHT are for disassembly only.
1904 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1905 IndexModePost, StFrm, IIC_iStore_ru,
1906 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1907 [/* For disassembly only; pattern left blank */]> {
1908 let Inst{21} = 1; // overwrite
1909 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1912 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1913 IndexModePost, StFrm, IIC_iStore_bh_ru,
1914 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1915 [/* For disassembly only; pattern left blank */]> {
1916 let Inst{21} = 1; // overwrite
1917 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1920 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1921 StMiscFrm, IIC_iStore_bh_ru,
1922 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1923 [/* For disassembly only; pattern left blank */]> {
1924 let Inst{21} = 1; // overwrite
1925 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1928 //===----------------------------------------------------------------------===//
1929 // Load / store multiple Instructions.
1932 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1933 InstrItinClass itin, InstrItinClass itin_upd> {
1935 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1936 IndexModeNone, f, itin,
1937 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1938 let Inst{24-23} = 0b01; // Increment After
1939 let Inst{21} = 0; // No writeback
1940 let Inst{20} = L_bit;
1943 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1944 IndexModeUpd, f, itin_upd,
1945 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1946 let Inst{24-23} = 0b01; // Increment After
1947 let Inst{21} = 1; // Writeback
1948 let Inst{20} = L_bit;
1951 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1952 IndexModeNone, f, itin,
1953 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1954 let Inst{24-23} = 0b00; // Decrement After
1955 let Inst{21} = 0; // No writeback
1956 let Inst{20} = L_bit;
1959 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1960 IndexModeUpd, f, itin_upd,
1961 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1962 let Inst{24-23} = 0b00; // Decrement After
1963 let Inst{21} = 1; // Writeback
1964 let Inst{20} = L_bit;
1967 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1968 IndexModeNone, f, itin,
1969 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1970 let Inst{24-23} = 0b10; // Decrement Before
1971 let Inst{21} = 0; // No writeback
1972 let Inst{20} = L_bit;
1975 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1976 IndexModeUpd, f, itin_upd,
1977 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1978 let Inst{24-23} = 0b10; // Decrement Before
1979 let Inst{21} = 1; // Writeback
1980 let Inst{20} = L_bit;
1983 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1984 IndexModeNone, f, itin,
1985 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1986 let Inst{24-23} = 0b11; // Increment Before
1987 let Inst{21} = 0; // No writeback
1988 let Inst{20} = L_bit;
1991 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1992 IndexModeUpd, f, itin_upd,
1993 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1994 let Inst{24-23} = 0b11; // Increment Before
1995 let Inst{21} = 1; // Writeback
1996 let Inst{20} = L_bit;
2000 let neverHasSideEffects = 1 in {
2002 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2003 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2005 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2006 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2008 } // neverHasSideEffects
2010 // Load / Store Multiple Mnemonic Aliases
2011 def : MnemonicAlias<"ldmfd", "ldmia">;
2012 def : MnemonicAlias<"stmfd", "stmdb">;
2013 def : MnemonicAlias<"ldm", "ldmia">;
2014 def : MnemonicAlias<"stm", "stmia">;
2016 // FIXME: remove when we have a way to marking a MI with these properties.
2017 // FIXME: Should pc be an implicit operand like PICADD, etc?
2018 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2019 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2020 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2021 reglist:$regs, variable_ops),
2022 Size4Bytes, IIC_iLoad_mBr, []>,
2023 RegConstraint<"$Rn = $wb">;
2025 //===----------------------------------------------------------------------===//
2026 // Move Instructions.
2029 let neverHasSideEffects = 1 in
2030 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2031 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2035 let Inst{19-16} = 0b0000;
2036 let Inst{11-4} = 0b00000000;
2039 let Inst{15-12} = Rd;
2042 // A version for the smaller set of tail call registers.
2043 let neverHasSideEffects = 1 in
2044 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2045 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2049 let Inst{11-4} = 0b00000000;
2052 let Inst{15-12} = Rd;
2055 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2056 DPSoRegFrm, IIC_iMOVsr,
2057 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2061 let Inst{15-12} = Rd;
2062 let Inst{19-16} = 0b0000;
2063 let Inst{11-0} = src;
2067 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2068 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2069 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2073 let Inst{15-12} = Rd;
2074 let Inst{19-16} = 0b0000;
2075 let Inst{11-0} = imm;
2078 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2079 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2081 "movw", "\t$Rd, $imm",
2082 [(set GPR:$Rd, imm0_65535:$imm)]>,
2083 Requires<[IsARM, HasV6T2]>, UnaryDP {
2086 let Inst{15-12} = Rd;
2087 let Inst{11-0} = imm{11-0};
2088 let Inst{19-16} = imm{15-12};
2093 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2094 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2096 let Constraints = "$src = $Rd" in {
2097 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2099 "movt", "\t$Rd, $imm",
2101 (or (and GPR:$src, 0xffff),
2102 lo16AllZero:$imm))]>, UnaryDP,
2103 Requires<[IsARM, HasV6T2]> {
2106 let Inst{15-12} = Rd;
2107 let Inst{11-0} = imm{11-0};
2108 let Inst{19-16} = imm{15-12};
2113 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2114 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2118 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2119 Requires<[IsARM, HasV6T2]>;
2121 let Uses = [CPSR] in
2122 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2123 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2126 // These aren't really mov instructions, but we have to define them this way
2127 // due to flag operands.
2129 let Defs = [CPSR] in {
2130 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2131 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2133 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2134 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2138 //===----------------------------------------------------------------------===//
2139 // Extend Instructions.
2144 defm SXTB : AI_ext_rrot<0b01101010,
2145 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2146 defm SXTH : AI_ext_rrot<0b01101011,
2147 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2149 defm SXTAB : AI_exta_rrot<0b01101010,
2150 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2151 defm SXTAH : AI_exta_rrot<0b01101011,
2152 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2154 // For disassembly only
2155 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2157 // For disassembly only
2158 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2162 let AddedComplexity = 16 in {
2163 defm UXTB : AI_ext_rrot<0b01101110,
2164 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2165 defm UXTH : AI_ext_rrot<0b01101111,
2166 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2167 defm UXTB16 : AI_ext_rrot<0b01101100,
2168 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2170 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2171 // The transformation should probably be done as a combiner action
2172 // instead so we can include a check for masking back in the upper
2173 // eight bits of the source into the lower eight bits of the result.
2174 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2175 // (UXTB16r_rot GPR:$Src, 24)>;
2176 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2177 (UXTB16r_rot GPR:$Src, 8)>;
2179 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2180 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2181 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2182 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2185 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2186 // For disassembly only
2187 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2190 def SBFX : I<(outs GPR:$Rd),
2191 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2192 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2193 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2194 Requires<[IsARM, HasV6T2]> {
2199 let Inst{27-21} = 0b0111101;
2200 let Inst{6-4} = 0b101;
2201 let Inst{20-16} = width;
2202 let Inst{15-12} = Rd;
2203 let Inst{11-7} = lsb;
2207 def UBFX : I<(outs GPR:$Rd),
2208 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2209 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2210 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2211 Requires<[IsARM, HasV6T2]> {
2216 let Inst{27-21} = 0b0111111;
2217 let Inst{6-4} = 0b101;
2218 let Inst{20-16} = width;
2219 let Inst{15-12} = Rd;
2220 let Inst{11-7} = lsb;
2224 //===----------------------------------------------------------------------===//
2225 // Arithmetic Instructions.
2228 defm ADD : AsI1_bin_irs<0b0100, "add",
2229 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2230 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2231 defm SUB : AsI1_bin_irs<0b0010, "sub",
2232 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2233 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2235 // ADD and SUB with 's' bit set.
2236 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2237 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2238 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2239 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2240 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2241 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2243 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2244 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2245 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2246 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2248 // ADC and SUBC with 's' bit set.
2249 let usesCustomInserter = 1 in {
2250 defm ADCS : AI1_adde_sube_s_irs<
2251 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2252 defm SBCS : AI1_adde_sube_s_irs<
2253 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2256 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2257 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2258 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2263 let Inst{15-12} = Rd;
2264 let Inst{19-16} = Rn;
2265 let Inst{11-0} = imm;
2268 // The reg/reg form is only defined for the disassembler; for codegen it is
2269 // equivalent to SUBrr.
2270 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2271 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2272 [/* For disassembly only; pattern left blank */]> {
2276 let Inst{11-4} = 0b00000000;
2279 let Inst{15-12} = Rd;
2280 let Inst{19-16} = Rn;
2283 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2284 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2285 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2290 let Inst{11-0} = shift;
2291 let Inst{15-12} = Rd;
2292 let Inst{19-16} = Rn;
2295 // RSB with 's' bit set.
2296 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2297 let usesCustomInserter = 1 in {
2298 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2299 Size4Bytes, IIC_iALUi,
2300 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2301 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2302 Size4Bytes, IIC_iALUr,
2303 [/* For disassembly only; pattern left blank */]>;
2304 def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2305 Size4Bytes, IIC_iALUsr,
2306 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
2309 let Uses = [CPSR] in {
2310 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2311 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2312 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2318 let Inst{15-12} = Rd;
2319 let Inst{19-16} = Rn;
2320 let Inst{11-0} = imm;
2322 // The reg/reg form is only defined for the disassembler; for codegen it is
2323 // equivalent to SUBrr.
2324 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2325 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2326 [/* For disassembly only; pattern left blank */]> {
2330 let Inst{11-4} = 0b00000000;
2333 let Inst{15-12} = Rd;
2334 let Inst{19-16} = Rn;
2336 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2337 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2338 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2344 let Inst{11-0} = shift;
2345 let Inst{15-12} = Rd;
2346 let Inst{19-16} = Rn;
2350 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2351 let usesCustomInserter = 1, Uses = [CPSR] in {
2352 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2353 Size4Bytes, IIC_iALUi,
2354 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2355 def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2356 Size4Bytes, IIC_iALUsr,
2357 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
2360 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2361 // The assume-no-carry-in form uses the negation of the input since add/sub
2362 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2363 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2365 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2366 (SUBri GPR:$src, so_imm_neg:$imm)>;
2367 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2368 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2369 // The with-carry-in form matches bitwise not instead of the negation.
2370 // Effectively, the inverse interpretation of the carry flag already accounts
2371 // for part of the negation.
2372 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2373 (SBCri GPR:$src, so_imm_not:$imm)>;
2374 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2375 (SBCSri GPR:$src, so_imm_not:$imm)>;
2377 // Note: These are implemented in C++ code, because they have to generate
2378 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2380 // (mul X, 2^n+1) -> (add (X << n), X)
2381 // (mul X, 2^n-1) -> (rsb X, (X << n))
2383 // ARM Arithmetic Instruction -- for disassembly only
2384 // GPR:$dst = GPR:$a op GPR:$b
2385 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2386 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2387 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2388 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2392 let Inst{27-20} = op27_20;
2393 let Inst{11-4} = op11_4;
2394 let Inst{19-16} = Rn;
2395 let Inst{15-12} = Rd;
2399 // Saturating add/subtract -- for disassembly only
2401 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2402 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2403 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2404 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2405 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2406 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2407 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2409 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2412 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2413 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2414 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2415 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2416 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2417 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2418 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2419 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2420 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2421 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2422 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2423 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2425 // Signed/Unsigned add/subtract -- for disassembly only
2427 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2428 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2429 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2430 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2431 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2432 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2433 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2434 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2435 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2436 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2437 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2438 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2440 // Signed/Unsigned halving add/subtract -- for disassembly only
2442 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2443 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2444 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2445 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2446 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2447 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2448 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2449 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2450 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2451 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2452 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2453 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2455 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2457 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2458 MulFrm /* for convenience */, NoItinerary, "usad8",
2459 "\t$Rd, $Rn, $Rm", []>,
2460 Requires<[IsARM, HasV6]> {
2464 let Inst{27-20} = 0b01111000;
2465 let Inst{15-12} = 0b1111;
2466 let Inst{7-4} = 0b0001;
2467 let Inst{19-16} = Rd;
2468 let Inst{11-8} = Rm;
2471 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2472 MulFrm /* for convenience */, NoItinerary, "usada8",
2473 "\t$Rd, $Rn, $Rm, $Ra", []>,
2474 Requires<[IsARM, HasV6]> {
2479 let Inst{27-20} = 0b01111000;
2480 let Inst{7-4} = 0b0001;
2481 let Inst{19-16} = Rd;
2482 let Inst{15-12} = Ra;
2483 let Inst{11-8} = Rm;
2487 // Signed/Unsigned saturate -- for disassembly only
2489 def SSAT : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$a, shift_imm:$sh),
2490 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2491 [/* For disassembly only; pattern left blank */]> {
2496 let Inst{27-21} = 0b0110101;
2497 let Inst{5-4} = 0b01;
2498 let Inst{20-16} = sat_imm;
2499 let Inst{15-12} = Rd;
2500 let Inst{11-7} = sh{7-3};
2501 let Inst{6} = sh{0};
2505 def SSAT16 : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$Rn), SatFrm,
2506 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2507 [/* For disassembly only; pattern left blank */]> {
2511 let Inst{27-20} = 0b01101010;
2512 let Inst{11-4} = 0b11110011;
2513 let Inst{15-12} = Rd;
2514 let Inst{19-16} = sat_imm;
2518 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2519 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2520 [/* For disassembly only; pattern left blank */]> {
2525 let Inst{27-21} = 0b0110111;
2526 let Inst{5-4} = 0b01;
2527 let Inst{15-12} = Rd;
2528 let Inst{11-7} = sh{7-3};
2529 let Inst{6} = sh{0};
2530 let Inst{20-16} = sat_imm;
2534 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2535 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2536 [/* For disassembly only; pattern left blank */]> {
2540 let Inst{27-20} = 0b01101110;
2541 let Inst{11-4} = 0b11110011;
2542 let Inst{15-12} = Rd;
2543 let Inst{19-16} = sat_imm;
2547 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2548 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2550 //===----------------------------------------------------------------------===//
2551 // Bitwise Instructions.
2554 defm AND : AsI1_bin_irs<0b0000, "and",
2555 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2556 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2557 defm ORR : AsI1_bin_irs<0b1100, "orr",
2558 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2559 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2560 defm EOR : AsI1_bin_irs<0b0001, "eor",
2561 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2562 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2563 defm BIC : AsI1_bin_irs<0b1110, "bic",
2564 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2565 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2567 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2568 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2569 "bfc", "\t$Rd, $imm", "$src = $Rd",
2570 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2571 Requires<[IsARM, HasV6T2]> {
2574 let Inst{27-21} = 0b0111110;
2575 let Inst{6-0} = 0b0011111;
2576 let Inst{15-12} = Rd;
2577 let Inst{11-7} = imm{4-0}; // lsb
2578 let Inst{20-16} = imm{9-5}; // width
2581 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2582 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2583 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2584 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2585 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2586 bf_inv_mask_imm:$imm))]>,
2587 Requires<[IsARM, HasV6T2]> {
2591 let Inst{27-21} = 0b0111110;
2592 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2593 let Inst{15-12} = Rd;
2594 let Inst{11-7} = imm{4-0}; // lsb
2595 let Inst{20-16} = imm{9-5}; // width
2599 // GNU as only supports this form of bfi (w/ 4 arguments)
2600 let isAsmParserOnly = 1 in
2601 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2602 lsb_pos_imm:$lsb, width_imm:$width),
2603 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2604 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2605 []>, Requires<[IsARM, HasV6T2]> {
2610 let Inst{27-21} = 0b0111110;
2611 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2612 let Inst{15-12} = Rd;
2613 let Inst{11-7} = lsb;
2614 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2618 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2619 "mvn", "\t$Rd, $Rm",
2620 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2624 let Inst{19-16} = 0b0000;
2625 let Inst{11-4} = 0b00000000;
2626 let Inst{15-12} = Rd;
2629 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2630 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2631 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2635 let Inst{19-16} = 0b0000;
2636 let Inst{15-12} = Rd;
2637 let Inst{11-0} = shift;
2639 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2640 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2641 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2642 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2646 let Inst{19-16} = 0b0000;
2647 let Inst{15-12} = Rd;
2648 let Inst{11-0} = imm;
2651 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2652 (BICri GPR:$src, so_imm_not:$imm)>;
2654 //===----------------------------------------------------------------------===//
2655 // Multiply Instructions.
2657 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2658 string opc, string asm, list<dag> pattern>
2659 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2663 let Inst{19-16} = Rd;
2664 let Inst{11-8} = Rm;
2667 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2668 string opc, string asm, list<dag> pattern>
2669 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2674 let Inst{19-16} = RdHi;
2675 let Inst{15-12} = RdLo;
2676 let Inst{11-8} = Rm;
2680 let isCommutable = 1 in {
2681 let Constraints = "@earlyclobber $Rd" in
2682 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2683 pred:$p, cc_out:$s),
2684 Size4Bytes, IIC_iMUL32,
2685 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2686 Requires<[IsARM, NoV6]>;
2688 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2689 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2690 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2691 Requires<[IsARM, HasV6]> {
2692 let Inst{15-12} = 0b0000;
2696 let Constraints = "@earlyclobber $Rd" in
2697 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2698 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2699 Size4Bytes, IIC_iMAC32,
2700 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2701 Requires<[IsARM, NoV6]> {
2703 let Inst{15-12} = Ra;
2705 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2706 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2707 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2708 Requires<[IsARM, HasV6]> {
2710 let Inst{15-12} = Ra;
2713 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2714 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2715 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2716 Requires<[IsARM, HasV6T2]> {
2721 let Inst{19-16} = Rd;
2722 let Inst{15-12} = Ra;
2723 let Inst{11-8} = Rm;
2727 // Extra precision multiplies with low / high results
2729 let neverHasSideEffects = 1 in {
2730 let isCommutable = 1 in {
2731 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2732 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2733 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2734 Size4Bytes, IIC_iMUL64, []>,
2735 Requires<[IsARM, NoV6]>;
2737 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2738 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2739 Size4Bytes, IIC_iMUL64, []>,
2740 Requires<[IsARM, NoV6]>;
2743 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2744 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2745 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2746 Requires<[IsARM, HasV6]>;
2748 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2749 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2750 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2751 Requires<[IsARM, HasV6]>;
2754 // Multiply + accumulate
2755 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2756 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2757 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2758 Size4Bytes, IIC_iMAC64, []>,
2759 Requires<[IsARM, NoV6]>;
2760 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2761 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2762 Size4Bytes, IIC_iMAC64, []>,
2763 Requires<[IsARM, NoV6]>;
2764 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2765 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2766 Size4Bytes, IIC_iMAC64, []>,
2767 Requires<[IsARM, NoV6]>;
2771 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2772 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2773 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2774 Requires<[IsARM, HasV6]>;
2775 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2776 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2777 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2778 Requires<[IsARM, HasV6]>;
2780 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2781 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2782 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2783 Requires<[IsARM, HasV6]> {
2788 let Inst{19-16} = RdLo;
2789 let Inst{15-12} = RdHi;
2790 let Inst{11-8} = Rm;
2793 } // neverHasSideEffects
2795 // Most significant word multiply
2796 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2797 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2798 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2799 Requires<[IsARM, HasV6]> {
2800 let Inst{15-12} = 0b1111;
2803 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2804 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2805 [/* For disassembly only; pattern left blank */]>,
2806 Requires<[IsARM, HasV6]> {
2807 let Inst{15-12} = 0b1111;
2810 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2811 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2812 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2813 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2814 Requires<[IsARM, HasV6]>;
2816 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2817 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2818 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2819 [/* For disassembly only; pattern left blank */]>,
2820 Requires<[IsARM, HasV6]>;
2822 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2823 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2824 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2825 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2826 Requires<[IsARM, HasV6]>;
2828 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2829 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2830 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2831 [/* For disassembly only; pattern left blank */]>,
2832 Requires<[IsARM, HasV6]>;
2834 multiclass AI_smul<string opc, PatFrag opnode> {
2835 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2836 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2837 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2838 (sext_inreg GPR:$Rm, i16)))]>,
2839 Requires<[IsARM, HasV5TE]>;
2841 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2842 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2843 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2844 (sra GPR:$Rm, (i32 16))))]>,
2845 Requires<[IsARM, HasV5TE]>;
2847 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2848 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2849 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2850 (sext_inreg GPR:$Rm, i16)))]>,
2851 Requires<[IsARM, HasV5TE]>;
2853 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2854 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2855 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2856 (sra GPR:$Rm, (i32 16))))]>,
2857 Requires<[IsARM, HasV5TE]>;
2859 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2860 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2861 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2862 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2863 Requires<[IsARM, HasV5TE]>;
2865 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2866 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2867 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2868 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2869 Requires<[IsARM, HasV5TE]>;
2873 multiclass AI_smla<string opc, PatFrag opnode> {
2874 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2875 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2876 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2877 [(set GPR:$Rd, (add GPR:$Ra,
2878 (opnode (sext_inreg GPR:$Rn, i16),
2879 (sext_inreg GPR:$Rm, i16))))]>,
2880 Requires<[IsARM, HasV5TE]>;
2882 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2883 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2884 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2885 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2886 (sra GPR:$Rm, (i32 16)))))]>,
2887 Requires<[IsARM, HasV5TE]>;
2889 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2890 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2891 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2892 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2893 (sext_inreg GPR:$Rm, i16))))]>,
2894 Requires<[IsARM, HasV5TE]>;
2896 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2897 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2898 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2899 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2900 (sra GPR:$Rm, (i32 16)))))]>,
2901 Requires<[IsARM, HasV5TE]>;
2903 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2904 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2905 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2906 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2907 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2908 Requires<[IsARM, HasV5TE]>;
2910 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2911 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2912 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2913 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2914 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2915 Requires<[IsARM, HasV5TE]>;
2918 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2919 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2921 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2922 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2923 (ins GPR:$Rn, GPR:$Rm),
2924 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2925 [/* For disassembly only; pattern left blank */]>,
2926 Requires<[IsARM, HasV5TE]>;
2928 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2929 (ins GPR:$Rn, GPR:$Rm),
2930 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2931 [/* For disassembly only; pattern left blank */]>,
2932 Requires<[IsARM, HasV5TE]>;
2934 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2935 (ins GPR:$Rn, GPR:$Rm),
2936 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2937 [/* For disassembly only; pattern left blank */]>,
2938 Requires<[IsARM, HasV5TE]>;
2940 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2941 (ins GPR:$Rn, GPR:$Rm),
2942 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2943 [/* For disassembly only; pattern left blank */]>,
2944 Requires<[IsARM, HasV5TE]>;
2946 // Helper class for AI_smld -- for disassembly only
2947 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2948 InstrItinClass itin, string opc, string asm>
2949 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2956 let Inst{21-20} = 0b00;
2957 let Inst{22} = long;
2958 let Inst{27-23} = 0b01110;
2959 let Inst{11-8} = Rm;
2962 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2963 InstrItinClass itin, string opc, string asm>
2964 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2966 let Inst{15-12} = 0b1111;
2967 let Inst{19-16} = Rd;
2969 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2970 InstrItinClass itin, string opc, string asm>
2971 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2973 let Inst{15-12} = Ra;
2975 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2976 InstrItinClass itin, string opc, string asm>
2977 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2980 let Inst{19-16} = RdHi;
2981 let Inst{15-12} = RdLo;
2984 multiclass AI_smld<bit sub, string opc> {
2986 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2987 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2989 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2990 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2992 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2993 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2994 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2996 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2997 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2998 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3002 defm SMLA : AI_smld<0, "smla">;
3003 defm SMLS : AI_smld<1, "smls">;
3005 multiclass AI_sdml<bit sub, string opc> {
3007 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3008 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3009 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3010 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3013 defm SMUA : AI_sdml<0, "smua">;
3014 defm SMUS : AI_sdml<1, "smus">;
3016 //===----------------------------------------------------------------------===//
3017 // Misc. Arithmetic Instructions.
3020 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3021 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3022 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3024 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3025 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3026 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3027 Requires<[IsARM, HasV6T2]>;
3029 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3030 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3031 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3033 let AddedComplexity = 5 in
3034 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3035 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3036 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3037 Requires<[IsARM, HasV6]>;
3039 let AddedComplexity = 5 in
3040 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3041 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3042 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3043 Requires<[IsARM, HasV6]>;
3045 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3046 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3049 def lsl_shift_imm : SDNodeXForm<imm, [{
3050 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3051 return CurDAG->getTargetConstant(Sh, MVT::i32);
3054 def lsl_amt : ImmLeaf<i32, [{
3055 return Imm > 0 && Imm < 32;
3058 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3059 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3060 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3061 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3062 (and (shl GPR:$Rm, lsl_amt:$sh),
3064 Requires<[IsARM, HasV6]>;
3066 // Alternate cases for PKHBT where identities eliminate some nodes.
3067 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3068 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3069 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3070 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3072 def asr_shift_imm : SDNodeXForm<imm, [{
3073 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3074 return CurDAG->getTargetConstant(Sh, MVT::i32);
3077 def asr_amt : ImmLeaf<i32, [{
3078 return Imm > 0 && Imm <= 32;
3081 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3082 // will match the pattern below.
3083 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3084 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3085 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3086 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3087 (and (sra GPR:$Rm, asr_amt:$sh),
3089 Requires<[IsARM, HasV6]>;
3091 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3092 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3093 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3094 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3095 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3096 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3097 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3099 //===----------------------------------------------------------------------===//
3100 // Comparison Instructions...
3103 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3104 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3105 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3107 // ARMcmpZ can re-use the above instruction definitions.
3108 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3109 (CMPri GPR:$src, so_imm:$imm)>;
3110 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3111 (CMPrr GPR:$src, GPR:$rhs)>;
3112 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3113 (CMPrs GPR:$src, so_reg:$rhs)>;
3115 // FIXME: We have to be careful when using the CMN instruction and comparison
3116 // with 0. One would expect these two pieces of code should give identical
3132 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3133 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3134 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3135 // value of r0 and the carry bit (because the "carry bit" parameter to
3136 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3137 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3138 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3139 // parameter to AddWithCarry is defined as 0).
3141 // When x is 0 and unsigned:
3145 // ~x + 1 = 0x1 0000 0000
3146 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3148 // Therefore, we should disable CMN when comparing against zero, until we can
3149 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3150 // when it's a comparison which doesn't look at the 'carry' flag).
3152 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3154 // This is related to <rdar://problem/7569620>.
3156 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3157 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3159 // Note that TST/TEQ don't set all the same flags that CMP does!
3160 defm TST : AI1_cmp_irs<0b1000, "tst",
3161 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3162 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3163 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3164 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3165 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3167 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3168 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3169 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3171 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3172 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3174 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3175 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3177 // Pseudo i64 compares for some floating point compares.
3178 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3180 def BCCi64 : PseudoInst<(outs),
3181 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3183 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3185 def BCCZi64 : PseudoInst<(outs),
3186 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3187 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3188 } // usesCustomInserter
3191 // Conditional moves
3192 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3193 // a two-value operand where a dag node expects two operands. :(
3194 let neverHasSideEffects = 1 in {
3195 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3196 Size4Bytes, IIC_iCMOVr,
3197 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3198 RegConstraint<"$false = $Rd">;
3199 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3200 (ins GPR:$false, so_reg:$shift, pred:$p),
3201 Size4Bytes, IIC_iCMOVsr,
3202 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3203 RegConstraint<"$false = $Rd">;
3205 let isMoveImm = 1 in
3206 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3207 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3208 Size4Bytes, IIC_iMOVi,
3210 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3212 let isMoveImm = 1 in
3213 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3214 (ins GPR:$false, so_imm:$imm, pred:$p),
3215 Size4Bytes, IIC_iCMOVi,
3216 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3217 RegConstraint<"$false = $Rd">;
3219 // Two instruction predicate mov immediate.
3220 let isMoveImm = 1 in
3221 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3222 (ins GPR:$false, i32imm:$src, pred:$p),
3223 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3225 let isMoveImm = 1 in
3226 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3227 (ins GPR:$false, so_imm:$imm, pred:$p),
3228 Size4Bytes, IIC_iCMOVi,
3229 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3230 RegConstraint<"$false = $Rd">;
3231 } // neverHasSideEffects
3233 //===----------------------------------------------------------------------===//
3234 // Atomic operations intrinsics
3237 def memb_opt : Operand<i32> {
3238 let PrintMethod = "printMemBOption";
3239 let ParserMatchClass = MemBarrierOptOperand;
3242 // memory barriers protect the atomic sequences
3243 let hasSideEffects = 1 in {
3244 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3245 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3246 Requires<[IsARM, HasDB]> {
3248 let Inst{31-4} = 0xf57ff05;
3249 let Inst{3-0} = opt;
3253 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3255 [/* For disassembly only; pattern left blank */]>,
3256 Requires<[IsARM, HasDB]> {
3258 let Inst{31-4} = 0xf57ff04;
3259 let Inst{3-0} = opt;
3262 // ISB has only full system option -- for disassembly only
3263 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3264 Requires<[IsARM, HasDB]> {
3265 let Inst{31-4} = 0xf57ff06;
3266 let Inst{3-0} = 0b1111;
3269 let usesCustomInserter = 1 in {
3270 let Uses = [CPSR] in {
3271 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3272 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3273 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3274 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3275 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3276 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3277 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3278 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3279 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3280 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3281 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3282 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3283 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3284 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3285 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3286 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3288 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3289 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3290 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3291 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3292 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3294 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3295 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3296 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3297 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3298 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3299 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3300 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3301 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3302 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3303 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3304 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3305 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3306 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3307 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3308 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3309 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3310 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3311 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3312 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3313 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3314 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3315 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3316 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3317 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3318 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3319 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3320 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3321 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3322 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3323 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3324 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3325 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3326 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3327 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3328 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3329 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3330 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3331 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3332 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3333 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3334 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3335 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3336 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3337 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3338 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3339 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3340 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3341 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3342 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3343 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3344 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3345 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3346 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3347 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3348 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3349 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3350 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3351 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3352 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3353 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3354 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3355 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3356 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3357 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3358 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3359 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3360 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3362 def ATOMIC_SWAP_I8 : PseudoInst<
3363 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3364 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3365 def ATOMIC_SWAP_I16 : PseudoInst<
3366 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3367 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3368 def ATOMIC_SWAP_I32 : PseudoInst<
3369 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3370 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3372 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3373 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3374 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3375 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3376 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3377 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3378 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3379 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3380 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3384 let mayLoad = 1 in {
3385 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3386 "ldrexb", "\t$Rt, $addr", []>;
3387 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3388 "ldrexh", "\t$Rt, $addr", []>;
3389 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3390 "ldrex", "\t$Rt, $addr", []>;
3391 let hasExtraDefRegAllocReq = 1 in
3392 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3393 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3396 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3397 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3398 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3399 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3400 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3401 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3402 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3405 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3406 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3407 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3408 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3410 // Clear-Exclusive is for disassembly only.
3411 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3412 [/* For disassembly only; pattern left blank */]>,
3413 Requires<[IsARM, HasV7]> {
3414 let Inst{31-0} = 0b11110101011111111111000000011111;
3417 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3418 let mayLoad = 1 in {
3419 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3420 [/* For disassembly only; pattern left blank */]>;
3421 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3422 [/* For disassembly only; pattern left blank */]>;
3425 //===----------------------------------------------------------------------===//
3426 // Coprocessor Instructions.
3429 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3430 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3431 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3432 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3433 imm:$CRm, imm:$opc2)]> {
3441 let Inst{3-0} = CRm;
3443 let Inst{7-5} = opc2;
3444 let Inst{11-8} = cop;
3445 let Inst{15-12} = CRd;
3446 let Inst{19-16} = CRn;
3447 let Inst{23-20} = opc1;
3450 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3451 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3452 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3453 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3454 imm:$CRm, imm:$opc2)]> {
3455 let Inst{31-28} = 0b1111;
3463 let Inst{3-0} = CRm;
3465 let Inst{7-5} = opc2;
3466 let Inst{11-8} = cop;
3467 let Inst{15-12} = CRd;
3468 let Inst{19-16} = CRn;
3469 let Inst{23-20} = opc1;
3472 class ACI<dag oops, dag iops, string opc, string asm,
3473 IndexMode im = IndexModeNone>
3474 : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
3475 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3476 let Inst{27-25} = 0b110;
3479 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3481 def _OFFSET : ACI<(outs),
3482 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3483 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3484 let Inst{31-28} = op31_28;
3485 let Inst{24} = 1; // P = 1
3486 let Inst{21} = 0; // W = 0
3487 let Inst{22} = 0; // D = 0
3488 let Inst{20} = load;
3491 def _PRE : ACI<(outs),
3492 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3493 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3494 let Inst{31-28} = op31_28;
3495 let Inst{24} = 1; // P = 1
3496 let Inst{21} = 1; // W = 1
3497 let Inst{22} = 0; // D = 0
3498 let Inst{20} = load;
3501 def _POST : ACI<(outs),
3502 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3503 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3504 let Inst{31-28} = op31_28;
3505 let Inst{24} = 0; // P = 0
3506 let Inst{21} = 1; // W = 1
3507 let Inst{22} = 0; // D = 0
3508 let Inst{20} = load;
3511 def _OPTION : ACI<(outs),
3512 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3514 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3515 let Inst{31-28} = op31_28;
3516 let Inst{24} = 0; // P = 0
3517 let Inst{23} = 1; // U = 1
3518 let Inst{21} = 0; // W = 0
3519 let Inst{22} = 0; // D = 0
3520 let Inst{20} = load;
3523 def L_OFFSET : ACI<(outs),
3524 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3525 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3526 let Inst{31-28} = op31_28;
3527 let Inst{24} = 1; // P = 1
3528 let Inst{21} = 0; // W = 0
3529 let Inst{22} = 1; // D = 1
3530 let Inst{20} = load;
3533 def L_PRE : ACI<(outs),
3534 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3535 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3537 let Inst{31-28} = op31_28;
3538 let Inst{24} = 1; // P = 1
3539 let Inst{21} = 1; // W = 1
3540 let Inst{22} = 1; // D = 1
3541 let Inst{20} = load;
3544 def L_POST : ACI<(outs),
3545 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3546 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3548 let Inst{31-28} = op31_28;
3549 let Inst{24} = 0; // P = 0
3550 let Inst{21} = 1; // W = 1
3551 let Inst{22} = 1; // D = 1
3552 let Inst{20} = load;
3555 def L_OPTION : ACI<(outs),
3556 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3558 !strconcat(!strconcat(opc, "l"), cond),
3559 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3560 let Inst{31-28} = op31_28;
3561 let Inst{24} = 0; // P = 0
3562 let Inst{23} = 1; // U = 1
3563 let Inst{21} = 0; // W = 0
3564 let Inst{22} = 1; // D = 1
3565 let Inst{20} = load;
3569 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3570 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3571 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3572 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3574 //===----------------------------------------------------------------------===//
3575 // Move between coprocessor and ARM core register -- for disassembly only
3578 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3580 : ABI<0b1110, oops, iops, NoItinerary, opc,
3581 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3582 let Inst{20} = direction;
3592 let Inst{15-12} = Rt;
3593 let Inst{11-8} = cop;
3594 let Inst{23-21} = opc1;
3595 let Inst{7-5} = opc2;
3596 let Inst{3-0} = CRm;
3597 let Inst{19-16} = CRn;
3600 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3602 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3603 c_imm:$CRm, i32imm:$opc2),
3604 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3605 imm:$CRm, imm:$opc2)]>;
3606 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3608 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3611 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3612 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3614 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3616 : ABXI<0b1110, oops, iops, NoItinerary,
3617 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3618 let Inst{31-28} = 0b1111;
3619 let Inst{20} = direction;
3629 let Inst{15-12} = Rt;
3630 let Inst{11-8} = cop;
3631 let Inst{23-21} = opc1;
3632 let Inst{7-5} = opc2;
3633 let Inst{3-0} = CRm;
3634 let Inst{19-16} = CRn;
3637 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3639 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3640 c_imm:$CRm, i32imm:$opc2),
3641 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3642 imm:$CRm, imm:$opc2)]>;
3643 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3645 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3648 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3649 imm:$CRm, imm:$opc2),
3650 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3652 class MovRRCopro<string opc, bit direction,
3653 list<dag> pattern = [/* For disassembly only */]>
3654 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3655 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3656 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3657 let Inst{23-21} = 0b010;
3658 let Inst{20} = direction;
3666 let Inst{15-12} = Rt;
3667 let Inst{19-16} = Rt2;
3668 let Inst{11-8} = cop;
3669 let Inst{7-4} = opc1;
3670 let Inst{3-0} = CRm;
3673 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3674 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3676 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3678 class MovRRCopro2<string opc, bit direction,
3679 list<dag> pattern = [/* For disassembly only */]>
3680 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3681 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3682 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3683 let Inst{31-28} = 0b1111;
3684 let Inst{23-21} = 0b010;
3685 let Inst{20} = direction;
3693 let Inst{15-12} = Rt;
3694 let Inst{19-16} = Rt2;
3695 let Inst{11-8} = cop;
3696 let Inst{7-4} = opc1;
3697 let Inst{3-0} = CRm;
3700 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3701 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3703 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3705 //===----------------------------------------------------------------------===//
3706 // Move between special register and ARM core register -- for disassembly only
3709 // Move to ARM core register from Special Register
3710 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3711 [/* For disassembly only; pattern left blank */]> {
3713 let Inst{23-16} = 0b00001111;
3714 let Inst{15-12} = Rd;
3715 let Inst{7-4} = 0b0000;
3718 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3719 [/* For disassembly only; pattern left blank */]> {
3721 let Inst{23-16} = 0b01001111;
3722 let Inst{15-12} = Rd;
3723 let Inst{7-4} = 0b0000;
3726 // Move from ARM core register to Special Register
3728 // No need to have both system and application versions, the encodings are the
3729 // same and the assembly parser has no way to distinguish between them. The mask
3730 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3731 // the mask with the fields to be accessed in the special register.
3732 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3733 "msr", "\t$mask, $Rn",
3734 [/* For disassembly only; pattern left blank */]> {
3739 let Inst{22} = mask{4}; // R bit
3740 let Inst{21-20} = 0b10;
3741 let Inst{19-16} = mask{3-0};
3742 let Inst{15-12} = 0b1111;
3743 let Inst{11-4} = 0b00000000;
3747 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3748 "msr", "\t$mask, $a",
3749 [/* For disassembly only; pattern left blank */]> {
3754 let Inst{22} = mask{4}; // R bit
3755 let Inst{21-20} = 0b10;
3756 let Inst{19-16} = mask{3-0};
3757 let Inst{15-12} = 0b1111;
3761 //===----------------------------------------------------------------------===//
3765 // __aeabi_read_tp preserves the registers r1-r3.
3766 // This is a pseudo inst so that we can get the encoding right,
3767 // complete with fixup for the aeabi_read_tp function.
3769 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3770 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3771 [(set R0, ARMthread_pointer)]>;
3774 //===----------------------------------------------------------------------===//
3775 // SJLJ Exception handling intrinsics
3776 // eh_sjlj_setjmp() is an instruction sequence to store the return
3777 // address and save #0 in R0 for the non-longjmp case.
3778 // Since by its nature we may be coming from some other function to get
3779 // here, and we're using the stack frame for the containing function to
3780 // save/restore registers, we can't keep anything live in regs across
3781 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3782 // when we get here from a longjmp(). We force everything out of registers
3783 // except for our own input by listing the relevant registers in Defs. By
3784 // doing so, we also cause the prologue/epilogue code to actively preserve
3785 // all of the callee-saved resgisters, which is exactly what we want.
3786 // A constant value is passed in $val, and we use the location as a scratch.
3788 // These are pseudo-instructions and are lowered to individual MC-insts, so
3789 // no encoding information is necessary.
3791 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
3792 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
3793 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3795 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3796 Requires<[IsARM, HasVFP2]>;
3800 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
3801 hasSideEffects = 1, isBarrier = 1 in {
3802 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3804 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3805 Requires<[IsARM, NoVFP]>;
3808 // FIXME: Non-Darwin version(s)
3809 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3810 Defs = [ R7, LR, SP ] in {
3811 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3813 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3814 Requires<[IsARM, IsDarwin]>;
3817 // eh.sjlj.dispatchsetup pseudo-instruction.
3818 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3819 // handled when the pseudo is expanded (which happens before any passes
3820 // that need the instruction size).
3821 let isBarrier = 1, hasSideEffects = 1 in
3822 def Int_eh_sjlj_dispatchsetup :
3823 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3824 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3825 Requires<[IsDarwin]>;
3827 //===----------------------------------------------------------------------===//
3828 // Non-Instruction Patterns
3831 // Large immediate handling.
3833 // 32-bit immediate using two piece so_imms or movw + movt.
3834 // This is a single pseudo instruction, the benefit is that it can be remat'd
3835 // as a single unit instead of having to handle reg inputs.
3836 // FIXME: Remove this when we can do generalized remat.
3837 let isReMaterializable = 1, isMoveImm = 1 in
3838 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3839 [(set GPR:$dst, (arm_i32imm:$src))]>,
3842 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3843 // It also makes it possible to rematerialize the instructions.
3844 // FIXME: Remove this when we can do generalized remat and when machine licm
3845 // can properly the instructions.
3846 let isReMaterializable = 1 in {
3847 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3849 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3850 Requires<[IsARM, UseMovt]>;
3852 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3854 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3855 Requires<[IsARM, UseMovt]>;
3857 let AddedComplexity = 10 in
3858 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3860 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3861 Requires<[IsARM, UseMovt]>;
3862 } // isReMaterializable
3864 // ConstantPool, GlobalAddress, and JumpTable
3865 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3866 Requires<[IsARM, DontUseMovt]>;
3867 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3868 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3869 Requires<[IsARM, UseMovt]>;
3870 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3871 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3873 // TODO: add,sub,and, 3-instr forms?
3876 def : ARMPat<(ARMtcret tcGPR:$dst),
3877 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3879 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3880 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3882 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3883 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3885 def : ARMPat<(ARMtcret tcGPR:$dst),
3886 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3888 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3889 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3891 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3892 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3895 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3896 Requires<[IsARM, IsNotDarwin]>;
3897 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3898 Requires<[IsARM, IsDarwin]>;
3900 // zextload i1 -> zextload i8
3901 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3902 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3904 // extload -> zextload
3905 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3906 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3907 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3908 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3910 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3912 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3913 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3916 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3917 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3918 (SMULBB GPR:$a, GPR:$b)>;
3919 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3920 (SMULBB GPR:$a, GPR:$b)>;
3921 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3922 (sra GPR:$b, (i32 16))),
3923 (SMULBT GPR:$a, GPR:$b)>;
3924 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3925 (SMULBT GPR:$a, GPR:$b)>;
3926 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3927 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3928 (SMULTB GPR:$a, GPR:$b)>;
3929 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3930 (SMULTB GPR:$a, GPR:$b)>;
3931 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3933 (SMULWB GPR:$a, GPR:$b)>;
3934 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3935 (SMULWB GPR:$a, GPR:$b)>;
3937 def : ARMV5TEPat<(add GPR:$acc,
3938 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3939 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3940 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3941 def : ARMV5TEPat<(add GPR:$acc,
3942 (mul sext_16_node:$a, sext_16_node:$b)),
3943 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3944 def : ARMV5TEPat<(add GPR:$acc,
3945 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3946 (sra GPR:$b, (i32 16)))),
3947 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3948 def : ARMV5TEPat<(add GPR:$acc,
3949 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3950 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3951 def : ARMV5TEPat<(add GPR:$acc,
3952 (mul (sra GPR:$a, (i32 16)),
3953 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3954 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3955 def : ARMV5TEPat<(add GPR:$acc,
3956 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3957 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3958 def : ARMV5TEPat<(add GPR:$acc,
3959 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3961 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3962 def : ARMV5TEPat<(add GPR:$acc,
3963 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3964 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3967 // Pre-v7 uses MCR for synchronization barriers.
3968 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3969 Requires<[IsARM, HasV6]>;
3972 //===----------------------------------------------------------------------===//
3976 include "ARMInstrThumb.td"
3978 //===----------------------------------------------------------------------===//
3982 include "ARMInstrThumb2.td"
3984 //===----------------------------------------------------------------------===//
3985 // Floating Point Support
3988 include "ARMInstrVFP.td"
3990 //===----------------------------------------------------------------------===//
3991 // Advanced SIMD (NEON) Support
3994 include "ARMInstrNEON.td"