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()">,
151 AssemblerPredicate<"HasV4TOps">;
152 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
153 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
154 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
155 AssemblerPredicate<"HasV5TEOps">;
156 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
157 AssemblerPredicate<"HasV6Ops">;
158 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
159 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
160 AssemblerPredicate<"HasV6T2Ops">;
161 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
162 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
163 AssemblerPredicate<"HasV7Ops">;
164 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
165 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
166 AssemblerPredicate<"FeatureVFP2">;
167 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
168 AssemblerPredicate<"FeatureVFP3">;
169 def HasNEON : Predicate<"Subtarget->hasNEON()">,
170 AssemblerPredicate<"FeatureNEON">;
171 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
172 AssemblerPredicate<"FeatureFP16">;
173 def HasDivide : Predicate<"Subtarget->hasDivide()">,
174 AssemblerPredicate<"FeatureHWDiv">;
175 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
176 AssemblerPredicate<"FeatureT2XtPk">;
177 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
178 AssemblerPredicate<"FeatureDSPThumb2">;
179 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
180 AssemblerPredicate<"FeatureDB">;
181 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
182 AssemblerPredicate<"FeatureMP">;
183 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
184 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
185 def IsThumb : Predicate<"Subtarget->isThumb()">,
186 AssemblerPredicate<"ModeThumb">;
187 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
188 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
189 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
190 def IsARM : Predicate<"!Subtarget->isThumb()">,
191 AssemblerPredicate<"!ModeThumb">;
192 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
193 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
195 // FIXME: Eventually this will be just "hasV6T2Ops".
196 def UseMovt : Predicate<"Subtarget->useMovt()">;
197 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
198 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
200 //===----------------------------------------------------------------------===//
201 // ARM Flag Definitions.
203 class RegConstraint<string C> {
204 string Constraints = C;
207 //===----------------------------------------------------------------------===//
208 // ARM specific transformation functions and pattern fragments.
211 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
212 // so_imm_neg def below.
213 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
214 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
217 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
218 // so_imm_not def below.
219 def so_imm_not_XFORM : SDNodeXForm<imm, [{
220 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
223 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
224 def imm1_15 : ImmLeaf<i32, [{
225 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
228 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
229 def imm16_31 : ImmLeaf<i32, [{
230 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
235 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
236 }], so_imm_neg_XFORM>;
240 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
241 }], so_imm_not_XFORM>;
243 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
244 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
245 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
248 /// Split a 32-bit immediate into two 16 bit parts.
249 def hi16 : SDNodeXForm<imm, [{
250 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
253 def lo16AllZero : PatLeaf<(i32 imm), [{
254 // Returns true if all low 16-bits are 0.
255 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
258 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
260 def imm0_65535 : ImmLeaf<i32, [{
261 return Imm >= 0 && Imm < 65536;
264 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
265 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
267 /// adde and sube predicates - True based on whether the carry flag output
268 /// will be needed or not.
269 def adde_dead_carry :
270 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
271 [{return !N->hasAnyUseOfValue(1);}]>;
272 def sube_dead_carry :
273 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
274 [{return !N->hasAnyUseOfValue(1);}]>;
275 def adde_live_carry :
276 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
277 [{return N->hasAnyUseOfValue(1);}]>;
278 def sube_live_carry :
279 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
280 [{return N->hasAnyUseOfValue(1);}]>;
282 // An 'and' node with a single use.
283 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
284 return N->hasOneUse();
287 // An 'xor' node with a single use.
288 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
289 return N->hasOneUse();
292 // An 'fmul' node with a single use.
293 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
294 return N->hasOneUse();
297 // An 'fadd' node which checks for single non-hazardous use.
298 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
299 return hasNoVMLxHazardUse(N);
302 // An 'fsub' node which checks for single non-hazardous use.
303 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
304 return hasNoVMLxHazardUse(N);
307 //===----------------------------------------------------------------------===//
308 // Operand Definitions.
312 // FIXME: rename brtarget to t2_brtarget
313 def brtarget : Operand<OtherVT> {
314 let EncoderMethod = "getBranchTargetOpValue";
317 // FIXME: get rid of this one?
318 def uncondbrtarget : Operand<OtherVT> {
319 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
322 // Branch target for ARM. Handles conditional/unconditional
323 def br_target : Operand<OtherVT> {
324 let EncoderMethod = "getARMBranchTargetOpValue";
328 // FIXME: rename bltarget to t2_bl_target?
329 def bltarget : Operand<i32> {
330 // Encoded the same as branch targets.
331 let EncoderMethod = "getBranchTargetOpValue";
334 // Call target for ARM. Handles conditional/unconditional
335 // FIXME: rename bl_target to t2_bltarget?
336 def bl_target : Operand<i32> {
337 // Encoded the same as branch targets.
338 let EncoderMethod = "getARMBranchTargetOpValue";
342 // A list of registers separated by comma. Used by load/store multiple.
343 def RegListAsmOperand : AsmOperandClass {
344 let Name = "RegList";
345 let SuperClasses = [];
348 def DPRRegListAsmOperand : AsmOperandClass {
349 let Name = "DPRRegList";
350 let SuperClasses = [];
353 def SPRRegListAsmOperand : AsmOperandClass {
354 let Name = "SPRRegList";
355 let SuperClasses = [];
358 def reglist : Operand<i32> {
359 let EncoderMethod = "getRegisterListOpValue";
360 let ParserMatchClass = RegListAsmOperand;
361 let PrintMethod = "printRegisterList";
364 def dpr_reglist : Operand<i32> {
365 let EncoderMethod = "getRegisterListOpValue";
366 let ParserMatchClass = DPRRegListAsmOperand;
367 let PrintMethod = "printRegisterList";
370 def spr_reglist : Operand<i32> {
371 let EncoderMethod = "getRegisterListOpValue";
372 let ParserMatchClass = SPRRegListAsmOperand;
373 let PrintMethod = "printRegisterList";
376 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
377 def cpinst_operand : Operand<i32> {
378 let PrintMethod = "printCPInstOperand";
382 def pclabel : Operand<i32> {
383 let PrintMethod = "printPCLabel";
386 // ADR instruction labels.
387 def adrlabel : Operand<i32> {
388 let EncoderMethod = "getAdrLabelOpValue";
391 def neon_vcvt_imm32 : Operand<i32> {
392 let EncoderMethod = "getNEONVcvtImm32OpValue";
395 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
396 def rot_imm : Operand<i32>, ImmLeaf<i32, [{
397 int32_t v = (int32_t)Imm;
398 return v == 8 || v == 16 || v == 24; }]> {
399 let EncoderMethod = "getRotImmOpValue";
402 def ShifterAsmOperand : AsmOperandClass {
403 let Name = "Shifter";
404 let SuperClasses = [];
407 // shift_imm: An integer that encodes a shift amount and the type of shift
408 // (currently either asr or lsl) using the same encoding used for the
409 // immediates in so_reg operands.
410 def shift_imm : Operand<i32> {
411 let PrintMethod = "printShiftImmOperand";
412 let ParserMatchClass = ShifterAsmOperand;
415 // shifter_operand operands: so_reg and so_imm.
416 def so_reg : Operand<i32>, // reg reg imm
417 ComplexPattern<i32, 3, "SelectShifterOperandReg",
418 [shl,srl,sra,rotr]> {
419 let EncoderMethod = "getSORegOpValue";
420 let PrintMethod = "printSORegOperand";
421 let MIOperandInfo = (ops GPR, GPR, shift_imm);
423 def shift_so_reg : Operand<i32>, // reg reg imm
424 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
425 [shl,srl,sra,rotr]> {
426 let EncoderMethod = "getSORegOpValue";
427 let PrintMethod = "printSORegOperand";
428 let MIOperandInfo = (ops GPR, GPR, shift_imm);
431 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
432 // 8-bit immediate rotated by an arbitrary number of bits.
433 def so_imm : Operand<i32>, ImmLeaf<i32, [{
434 return ARM_AM::getSOImmVal(Imm) != -1;
436 let EncoderMethod = "getSOImmOpValue";
437 let PrintMethod = "printSOImmOperand";
440 // Break so_imm's up into two pieces. This handles immediates with up to 16
441 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
442 // get the first/second pieces.
443 def so_imm2part : PatLeaf<(imm), [{
444 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
447 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
449 def arm_i32imm : PatLeaf<(imm), [{
450 if (Subtarget->hasV6T2Ops())
452 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
455 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
456 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
457 return Imm >= 0 && Imm < 32;
460 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
461 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
462 return Imm >= 0 && Imm < 32;
464 let EncoderMethod = "getImmMinusOneOpValue";
467 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
468 // The imm is split into imm{15-12}, imm{11-0}
470 def i32imm_hilo16 : Operand<i32> {
471 let EncoderMethod = "getHiLo16ImmOpValue";
474 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
476 def bf_inv_mask_imm : Operand<i32>,
478 return ARM::isBitFieldInvertedMask(N->getZExtValue());
480 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
481 let PrintMethod = "printBitfieldInvMaskImmOperand";
484 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
485 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
486 return isInt<5>(Imm);
489 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
490 def width_imm : Operand<i32>, ImmLeaf<i32, [{
491 return Imm > 0 && Imm <= 32;
493 let EncoderMethod = "getMsbOpValue";
496 def ssat_imm : Operand<i32>, ImmLeaf<i32, [{
497 return Imm > 0 && Imm <= 32;
499 let EncoderMethod = "getSsatBitPosValue";
502 // Define ARM specific addressing modes.
504 def MemMode2AsmOperand : AsmOperandClass {
505 let Name = "MemMode2";
506 let SuperClasses = [];
507 let ParserMethod = "tryParseMemMode2Operand";
510 def MemMode3AsmOperand : AsmOperandClass {
511 let Name = "MemMode3";
512 let SuperClasses = [];
513 let ParserMethod = "tryParseMemMode3Operand";
516 // addrmode_imm12 := reg +/- imm12
518 def addrmode_imm12 : Operand<i32>,
519 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
520 // 12-bit immediate operand. Note that instructions using this encode
521 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
522 // immediate values are as normal.
524 let EncoderMethod = "getAddrModeImm12OpValue";
525 let PrintMethod = "printAddrModeImm12Operand";
526 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
528 // ldst_so_reg := reg +/- reg shop imm
530 def ldst_so_reg : Operand<i32>,
531 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
532 let EncoderMethod = "getLdStSORegOpValue";
533 // FIXME: Simplify the printer
534 let PrintMethod = "printAddrMode2Operand";
535 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
538 // addrmode2 := reg +/- imm12
539 // := reg +/- reg shop imm
541 def addrmode2 : Operand<i32>,
542 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
543 let EncoderMethod = "getAddrMode2OpValue";
544 let PrintMethod = "printAddrMode2Operand";
545 let ParserMatchClass = MemMode2AsmOperand;
546 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
549 def am2offset : Operand<i32>,
550 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
551 [], [SDNPWantRoot]> {
552 let EncoderMethod = "getAddrMode2OffsetOpValue";
553 let PrintMethod = "printAddrMode2OffsetOperand";
554 let MIOperandInfo = (ops GPR, i32imm);
557 // addrmode3 := reg +/- reg
558 // addrmode3 := reg +/- imm8
560 def addrmode3 : Operand<i32>,
561 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
562 let EncoderMethod = "getAddrMode3OpValue";
563 let PrintMethod = "printAddrMode3Operand";
564 let ParserMatchClass = MemMode3AsmOperand;
565 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
568 def am3offset : Operand<i32>,
569 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
570 [], [SDNPWantRoot]> {
571 let EncoderMethod = "getAddrMode3OffsetOpValue";
572 let PrintMethod = "printAddrMode3OffsetOperand";
573 let MIOperandInfo = (ops GPR, i32imm);
576 // ldstm_mode := {ia, ib, da, db}
578 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
579 let EncoderMethod = "getLdStmModeOpValue";
580 let PrintMethod = "printLdStmModeOperand";
583 def MemMode5AsmOperand : AsmOperandClass {
584 let Name = "MemMode5";
585 let SuperClasses = [];
588 // addrmode5 := reg +/- imm8*4
590 def addrmode5 : Operand<i32>,
591 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
592 let PrintMethod = "printAddrMode5Operand";
593 let MIOperandInfo = (ops GPR:$base, i32imm);
594 let ParserMatchClass = MemMode5AsmOperand;
595 let EncoderMethod = "getAddrMode5OpValue";
598 // addrmode6 := reg with optional alignment
600 def addrmode6 : Operand<i32>,
601 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
602 let PrintMethod = "printAddrMode6Operand";
603 let MIOperandInfo = (ops GPR:$addr, i32imm);
604 let EncoderMethod = "getAddrMode6AddressOpValue";
607 def am6offset : Operand<i32>,
608 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
609 [], [SDNPWantRoot]> {
610 let PrintMethod = "printAddrMode6OffsetOperand";
611 let MIOperandInfo = (ops GPR);
612 let EncoderMethod = "getAddrMode6OffsetOpValue";
615 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
616 // (single element from one lane) for size 32.
617 def addrmode6oneL32 : Operand<i32>,
618 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
619 let PrintMethod = "printAddrMode6Operand";
620 let MIOperandInfo = (ops GPR:$addr, i32imm);
621 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
624 // Special version of addrmode6 to handle alignment encoding for VLD-dup
625 // instructions, specifically VLD4-dup.
626 def addrmode6dup : Operand<i32>,
627 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
628 let PrintMethod = "printAddrMode6Operand";
629 let MIOperandInfo = (ops GPR:$addr, i32imm);
630 let EncoderMethod = "getAddrMode6DupAddressOpValue";
633 // addrmodepc := pc + reg
635 def addrmodepc : Operand<i32>,
636 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
637 let PrintMethod = "printAddrModePCOperand";
638 let MIOperandInfo = (ops GPR, i32imm);
641 def MemMode7AsmOperand : AsmOperandClass {
642 let Name = "MemMode7";
643 let SuperClasses = [];
647 // Used by load/store exclusive instructions. Useful to enable right assembly
648 // parsing and printing. Not used for any codegen matching.
650 def addrmode7 : Operand<i32> {
651 let PrintMethod = "printAddrMode7Operand";
652 let MIOperandInfo = (ops GPR);
653 let ParserMatchClass = MemMode7AsmOperand;
656 def nohash_imm : Operand<i32> {
657 let PrintMethod = "printNoHashImmediate";
660 def CoprocNumAsmOperand : AsmOperandClass {
661 let Name = "CoprocNum";
662 let SuperClasses = [];
663 let ParserMethod = "tryParseCoprocNumOperand";
666 def CoprocRegAsmOperand : AsmOperandClass {
667 let Name = "CoprocReg";
668 let SuperClasses = [];
669 let ParserMethod = "tryParseCoprocRegOperand";
672 def p_imm : Operand<i32> {
673 let PrintMethod = "printPImmediate";
674 let ParserMatchClass = CoprocNumAsmOperand;
677 def c_imm : Operand<i32> {
678 let PrintMethod = "printCImmediate";
679 let ParserMatchClass = CoprocRegAsmOperand;
682 //===----------------------------------------------------------------------===//
684 include "ARMInstrFormats.td"
686 //===----------------------------------------------------------------------===//
687 // Multiclass helpers...
690 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
691 /// binop that produces a value.
692 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
693 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
694 PatFrag opnode, string baseOpc, bit Commutable = 0> {
695 // The register-immediate version is re-materializable. This is useful
696 // in particular for taking the address of a local.
697 let isReMaterializable = 1 in {
698 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
699 iii, opc, "\t$Rd, $Rn, $imm",
700 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
705 let Inst{19-16} = Rn;
706 let Inst{15-12} = Rd;
707 let Inst{11-0} = imm;
710 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
711 iir, opc, "\t$Rd, $Rn, $Rm",
712 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
717 let isCommutable = Commutable;
718 let Inst{19-16} = Rn;
719 let Inst{15-12} = Rd;
720 let Inst{11-4} = 0b00000000;
723 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
724 iis, opc, "\t$Rd, $Rn, $shift",
725 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
730 let Inst{19-16} = Rn;
731 let Inst{15-12} = Rd;
732 let Inst{11-0} = shift;
735 // Assembly aliases for optional destination operand when it's the same
736 // as the source operand.
737 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
738 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
739 so_imm:$imm, pred:$p,
742 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
743 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
747 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
748 (!cast<Instruction>(!strconcat(baseOpc, "rs")) GPR:$Rdn, GPR:$Rdn,
749 so_reg:$shift, pred:$p,
754 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
755 /// instruction modifies the CPSR register.
756 let isCodeGenOnly = 1, Defs = [CPSR] in {
757 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
758 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
759 PatFrag opnode, bit Commutable = 0> {
760 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
761 iii, opc, "\t$Rd, $Rn, $imm",
762 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
768 let Inst{19-16} = Rn;
769 let Inst{15-12} = Rd;
770 let Inst{11-0} = imm;
772 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
773 iir, opc, "\t$Rd, $Rn, $Rm",
774 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
778 let isCommutable = Commutable;
781 let Inst{19-16} = Rn;
782 let Inst{15-12} = Rd;
783 let Inst{11-4} = 0b00000000;
786 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
787 iis, opc, "\t$Rd, $Rn, $shift",
788 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
794 let Inst{19-16} = Rn;
795 let Inst{15-12} = Rd;
796 let Inst{11-0} = shift;
801 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
802 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
803 /// a explicit result, only implicitly set CPSR.
804 let isCompare = 1, Defs = [CPSR] in {
805 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
806 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
807 PatFrag opnode, bit Commutable = 0> {
808 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
810 [(opnode GPR:$Rn, so_imm:$imm)]> {
815 let Inst{19-16} = Rn;
816 let Inst{15-12} = 0b0000;
817 let Inst{11-0} = imm;
819 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
821 [(opnode GPR:$Rn, GPR:$Rm)]> {
824 let isCommutable = Commutable;
827 let Inst{19-16} = Rn;
828 let Inst{15-12} = 0b0000;
829 let Inst{11-4} = 0b00000000;
832 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
833 opc, "\t$Rn, $shift",
834 [(opnode GPR:$Rn, so_reg:$shift)]> {
839 let Inst{19-16} = Rn;
840 let Inst{15-12} = 0b0000;
841 let Inst{11-0} = shift;
846 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
847 /// register and one whose operand is a register rotated by 8/16/24.
848 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
849 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
850 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
851 IIC_iEXTr, opc, "\t$Rd, $Rm",
852 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
853 Requires<[IsARM, HasV6]> {
856 let Inst{19-16} = 0b1111;
857 let Inst{15-12} = Rd;
858 let Inst{11-10} = 0b00;
861 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
862 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
863 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
864 Requires<[IsARM, HasV6]> {
868 let Inst{19-16} = 0b1111;
869 let Inst{15-12} = Rd;
870 let Inst{11-10} = rot;
875 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
876 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
877 IIC_iEXTr, opc, "\t$Rd, $Rm",
878 [/* For disassembly only; pattern left blank */]>,
879 Requires<[IsARM, HasV6]> {
880 let Inst{19-16} = 0b1111;
881 let Inst{11-10} = 0b00;
883 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
884 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
885 [/* For disassembly only; pattern left blank */]>,
886 Requires<[IsARM, HasV6]> {
888 let Inst{19-16} = 0b1111;
889 let Inst{11-10} = rot;
893 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
894 /// register and one whose operand is a register rotated by 8/16/24.
895 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
896 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
897 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
898 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
899 Requires<[IsARM, HasV6]> {
903 let Inst{19-16} = Rn;
904 let Inst{15-12} = Rd;
905 let Inst{11-10} = 0b00;
906 let Inst{9-4} = 0b000111;
909 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
911 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
912 [(set GPR:$Rd, (opnode GPR:$Rn,
913 (rotr GPR:$Rm, rot_imm:$rot)))]>,
914 Requires<[IsARM, HasV6]> {
919 let Inst{19-16} = Rn;
920 let Inst{15-12} = Rd;
921 let Inst{11-10} = rot;
922 let Inst{9-4} = 0b000111;
927 // For disassembly only.
928 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
929 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
930 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
931 [/* For disassembly only; pattern left blank */]>,
932 Requires<[IsARM, HasV6]> {
933 let Inst{11-10} = 0b00;
935 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
937 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
938 [/* For disassembly only; pattern left blank */]>,
939 Requires<[IsARM, HasV6]> {
942 let Inst{19-16} = Rn;
943 let Inst{11-10} = rot;
947 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
948 let Uses = [CPSR] in {
949 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
950 bit Commutable = 0> {
951 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
952 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
953 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
959 let Inst{15-12} = Rd;
960 let Inst{19-16} = Rn;
961 let Inst{11-0} = imm;
963 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
964 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
965 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
970 let Inst{11-4} = 0b00000000;
972 let isCommutable = Commutable;
974 let Inst{15-12} = Rd;
975 let Inst{19-16} = Rn;
977 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
978 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
979 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
985 let Inst{11-0} = shift;
986 let Inst{15-12} = Rd;
987 let Inst{19-16} = Rn;
992 // Carry setting variants
993 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
994 let usesCustomInserter = 1 in {
995 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
996 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
997 Size4Bytes, IIC_iALUi,
998 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
999 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1000 Size4Bytes, IIC_iALUr,
1001 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1002 let isCommutable = Commutable;
1004 def rs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1005 Size4Bytes, IIC_iALUsr,
1006 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
1010 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1011 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1012 InstrItinClass iir, PatFrag opnode> {
1013 // Note: We use the complex addrmode_imm12 rather than just an input
1014 // GPR and a constrained immediate so that we can use this to match
1015 // frame index references and avoid matching constant pool references.
1016 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1017 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1018 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1021 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1022 let Inst{19-16} = addr{16-13}; // Rn
1023 let Inst{15-12} = Rt;
1024 let Inst{11-0} = addr{11-0}; // imm12
1026 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1027 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1028 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1031 let shift{4} = 0; // Inst{4} = 0
1032 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1033 let Inst{19-16} = shift{16-13}; // Rn
1034 let Inst{15-12} = Rt;
1035 let Inst{11-0} = shift{11-0};
1040 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1041 InstrItinClass iir, PatFrag opnode> {
1042 // Note: We use the complex addrmode_imm12 rather than just an input
1043 // GPR and a constrained immediate so that we can use this to match
1044 // frame index references and avoid matching constant pool references.
1045 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1046 (ins GPR:$Rt, addrmode_imm12:$addr),
1047 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1048 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1051 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1052 let Inst{19-16} = addr{16-13}; // Rn
1053 let Inst{15-12} = Rt;
1054 let Inst{11-0} = addr{11-0}; // imm12
1056 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1057 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1058 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1061 let shift{4} = 0; // Inst{4} = 0
1062 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1063 let Inst{19-16} = shift{16-13}; // Rn
1064 let Inst{15-12} = Rt;
1065 let Inst{11-0} = shift{11-0};
1068 //===----------------------------------------------------------------------===//
1070 //===----------------------------------------------------------------------===//
1072 //===----------------------------------------------------------------------===//
1073 // Miscellaneous Instructions.
1076 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1077 /// the function. The first operand is the ID# for this instruction, the second
1078 /// is the index into the MachineConstantPool that this is, the third is the
1079 /// size in bytes of this constant pool entry.
1080 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1081 def CONSTPOOL_ENTRY :
1082 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1083 i32imm:$size), NoItinerary, []>;
1085 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1086 // from removing one half of the matched pairs. That breaks PEI, which assumes
1087 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1088 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1089 def ADJCALLSTACKUP :
1090 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1091 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1093 def ADJCALLSTACKDOWN :
1094 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1095 [(ARMcallseq_start timm:$amt)]>;
1098 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1099 [/* For disassembly only; pattern left blank */]>,
1100 Requires<[IsARM, HasV6T2]> {
1101 let Inst{27-16} = 0b001100100000;
1102 let Inst{15-8} = 0b11110000;
1103 let Inst{7-0} = 0b00000000;
1106 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1107 [/* For disassembly only; pattern left blank */]>,
1108 Requires<[IsARM, HasV6T2]> {
1109 let Inst{27-16} = 0b001100100000;
1110 let Inst{15-8} = 0b11110000;
1111 let Inst{7-0} = 0b00000001;
1114 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1115 [/* For disassembly only; pattern left blank */]>,
1116 Requires<[IsARM, HasV6T2]> {
1117 let Inst{27-16} = 0b001100100000;
1118 let Inst{15-8} = 0b11110000;
1119 let Inst{7-0} = 0b00000010;
1122 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1123 [/* For disassembly only; pattern left blank */]>,
1124 Requires<[IsARM, HasV6T2]> {
1125 let Inst{27-16} = 0b001100100000;
1126 let Inst{15-8} = 0b11110000;
1127 let Inst{7-0} = 0b00000011;
1130 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1132 [/* For disassembly only; pattern left blank */]>,
1133 Requires<[IsARM, HasV6]> {
1138 let Inst{15-12} = Rd;
1139 let Inst{19-16} = Rn;
1140 let Inst{27-20} = 0b01101000;
1141 let Inst{7-4} = 0b1011;
1142 let Inst{11-8} = 0b1111;
1145 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1146 [/* For disassembly only; pattern left blank */]>,
1147 Requires<[IsARM, HasV6T2]> {
1148 let Inst{27-16} = 0b001100100000;
1149 let Inst{15-8} = 0b11110000;
1150 let Inst{7-0} = 0b00000100;
1153 // The i32imm operand $val can be used by a debugger to store more information
1154 // about the breakpoint.
1155 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1156 [/* For disassembly only; pattern left blank */]>,
1159 let Inst{3-0} = val{3-0};
1160 let Inst{19-8} = val{15-4};
1161 let Inst{27-20} = 0b00010010;
1162 let Inst{7-4} = 0b0111;
1165 // Change Processor State is a system instruction -- for disassembly and
1167 // FIXME: Since the asm parser has currently no clean way to handle optional
1168 // operands, create 3 versions of the same instruction. Once there's a clean
1169 // framework to represent optional operands, change this behavior.
1170 class CPS<dag iops, string asm_ops>
1171 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1172 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1178 let Inst{31-28} = 0b1111;
1179 let Inst{27-20} = 0b00010000;
1180 let Inst{19-18} = imod;
1181 let Inst{17} = M; // Enabled if mode is set;
1183 let Inst{8-6} = iflags;
1185 let Inst{4-0} = mode;
1189 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1190 "$imod\t$iflags, $mode">;
1191 let mode = 0, M = 0 in
1192 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1194 let imod = 0, iflags = 0, M = 1 in
1195 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1197 // Preload signals the memory system of possible future data/instruction access.
1198 // These are for disassembly only.
1199 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1201 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1202 !strconcat(opc, "\t$addr"),
1203 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1206 let Inst{31-26} = 0b111101;
1207 let Inst{25} = 0; // 0 for immediate form
1208 let Inst{24} = data;
1209 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1210 let Inst{22} = read;
1211 let Inst{21-20} = 0b01;
1212 let Inst{19-16} = addr{16-13}; // Rn
1213 let Inst{15-12} = 0b1111;
1214 let Inst{11-0} = addr{11-0}; // imm12
1217 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1218 !strconcat(opc, "\t$shift"),
1219 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1221 let Inst{31-26} = 0b111101;
1222 let Inst{25} = 1; // 1 for register form
1223 let Inst{24} = data;
1224 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1225 let Inst{22} = read;
1226 let Inst{21-20} = 0b01;
1227 let Inst{19-16} = shift{16-13}; // Rn
1228 let Inst{15-12} = 0b1111;
1229 let Inst{11-0} = shift{11-0};
1233 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1234 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1235 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1237 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1239 [/* For disassembly only; pattern left blank */]>,
1242 let Inst{31-10} = 0b1111000100000001000000;
1247 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1248 [/* For disassembly only; pattern left blank */]>,
1249 Requires<[IsARM, HasV7]> {
1251 let Inst{27-4} = 0b001100100000111100001111;
1252 let Inst{3-0} = opt;
1255 // A5.4 Permanently UNDEFINED instructions.
1256 let isBarrier = 1, isTerminator = 1 in
1257 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1260 let Inst = 0xe7ffdefe;
1263 // Address computation and loads and stores in PIC mode.
1264 let isNotDuplicable = 1 in {
1265 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1266 Size4Bytes, IIC_iALUr,
1267 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1269 let AddedComplexity = 10 in {
1270 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1271 Size4Bytes, IIC_iLoad_r,
1272 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1274 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1275 Size4Bytes, IIC_iLoad_bh_r,
1276 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1278 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1279 Size4Bytes, IIC_iLoad_bh_r,
1280 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1282 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1283 Size4Bytes, IIC_iLoad_bh_r,
1284 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1286 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1287 Size4Bytes, IIC_iLoad_bh_r,
1288 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1290 let AddedComplexity = 10 in {
1291 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1292 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1294 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1295 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1296 addrmodepc:$addr)]>;
1298 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1299 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1301 } // isNotDuplicable = 1
1304 // LEApcrel - Load a pc-relative address into a register without offending the
1306 let neverHasSideEffects = 1, isReMaterializable = 1 in
1307 // The 'adr' mnemonic encodes differently if the label is before or after
1308 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1309 // know until then which form of the instruction will be used.
1310 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1311 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1314 let Inst{27-25} = 0b001;
1316 let Inst{19-16} = 0b1111;
1317 let Inst{15-12} = Rd;
1318 let Inst{11-0} = label;
1320 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1321 Size4Bytes, IIC_iALUi, []>;
1323 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1324 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1325 Size4Bytes, IIC_iALUi, []>;
1327 //===----------------------------------------------------------------------===//
1328 // Control Flow Instructions.
1331 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1333 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1334 "bx", "\tlr", [(ARMretflag)]>,
1335 Requires<[IsARM, HasV4T]> {
1336 let Inst{27-0} = 0b0001001011111111111100011110;
1340 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1341 "mov", "\tpc, lr", [(ARMretflag)]>,
1342 Requires<[IsARM, NoV4T]> {
1343 let Inst{27-0} = 0b0001101000001111000000001110;
1347 // Indirect branches
1348 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1350 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1351 [(brind GPR:$dst)]>,
1352 Requires<[IsARM, HasV4T]> {
1354 let Inst{31-4} = 0b1110000100101111111111110001;
1355 let Inst{3-0} = dst;
1358 // For disassembly only.
1359 def BX_pred : AXI<(outs), (ins GPR:$dst, pred:$p), BrMiscFrm, IIC_Br,
1360 "bx$p\t$dst", [/* pattern left blank */]>,
1361 Requires<[IsARM, HasV4T]> {
1363 let Inst{27-4} = 0b000100101111111111110001;
1364 let Inst{3-0} = dst;
1368 // FIXME: We would really like to define this as a vanilla ARMPat like:
1369 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1370 // With that, however, we can't set isBranch, isTerminator, etc..
1371 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1372 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1373 Requires<[IsARM, NoV4T]>;
1376 // All calls clobber the non-callee saved registers. SP is marked as
1377 // a use to prevent stack-pointer assignments that appear immediately
1378 // before calls from potentially appearing dead.
1380 // On non-Darwin platforms R9 is callee-saved.
1381 // FIXME: Do we really need a non-predicated version? If so, it should
1382 // at least be a pseudo instruction expanding to the predicated version
1383 // at MC lowering time.
1384 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1386 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1387 IIC_Br, "bl\t$func",
1388 [(ARMcall tglobaladdr:$func)]>,
1389 Requires<[IsARM, IsNotDarwin]> {
1390 let Inst{31-28} = 0b1110;
1392 let Inst{23-0} = func;
1395 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1396 IIC_Br, "bl", "\t$func",
1397 [(ARMcall_pred tglobaladdr:$func)]>,
1398 Requires<[IsARM, IsNotDarwin]> {
1400 let Inst{23-0} = func;
1404 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1405 IIC_Br, "blx\t$func",
1406 [(ARMcall GPR:$func)]>,
1407 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1409 let Inst{31-4} = 0b1110000100101111111111110011;
1410 let Inst{3-0} = func;
1413 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1414 IIC_Br, "blx", "\t$func",
1415 [(ARMcall_pred GPR:$func)]>,
1416 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1418 let Inst{27-4} = 0b000100101111111111110011;
1419 let Inst{3-0} = func;
1423 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1424 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1425 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1426 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1429 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1430 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1431 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1435 // On Darwin R9 is call-clobbered.
1436 // R7 is marked as a use to prevent frame-pointer assignments from being
1437 // moved above / below calls.
1438 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1439 Uses = [R7, SP] in {
1440 def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
1442 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
1444 def BLr9_pred : ARMPseudoInst<(outs),
1445 (ins bltarget:$func, pred:$p, variable_ops),
1447 [(ARMcall_pred tglobaladdr:$func)]>,
1448 Requires<[IsARM, IsDarwin]>;
1451 def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$func, variable_ops),
1453 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]>;
1455 def BLXr9_pred: ARMPseudoInst<(outs), (ins GPR:$func, pred:$p, variable_ops),
1457 [(ARMcall_pred GPR:$func)]>,
1458 Requires<[IsARM, HasV5T, IsDarwin]>;
1461 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1462 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1463 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1464 Requires<[IsARM, HasV4T, IsDarwin]>;
1467 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1468 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1469 Requires<[IsARM, NoV4T, IsDarwin]>;
1474 // FIXME: The Thumb versions of these should live in ARMInstrThumb.td
1475 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1477 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1479 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1480 IIC_Br, []>, Requires<[IsDarwin]>;
1482 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1483 IIC_Br, []>, Requires<[IsDarwin]>;
1485 def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1487 []>, Requires<[IsARM, IsDarwin]>;
1489 def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1491 []>, Requires<[IsThumb, IsDarwin]>;
1493 def TAILJMPr : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1495 []>, Requires<[IsARM, IsDarwin]>;
1497 def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1499 []>, Requires<[IsThumb, IsDarwin]>;
1502 // Non-Darwin versions (the difference is R9).
1503 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1505 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1506 IIC_Br, []>, Requires<[IsNotDarwin]>;
1508 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1509 IIC_Br, []>, Requires<[IsNotDarwin]>;
1511 def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1513 []>, Requires<[IsARM, IsNotDarwin]>;
1515 def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1517 []>, Requires<[IsThumb, IsNotDarwin]>;
1519 def TAILJMPrND : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1521 []>, Requires<[IsARM, IsNotDarwin]>;
1522 def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1524 []>, Requires<[IsThumb, IsNotDarwin]>;
1528 let isBranch = 1, isTerminator = 1 in {
1529 // B is "predicable" since it's just a Bcc with an 'always' condition.
1530 let isBarrier = 1 in {
1531 let isPredicable = 1 in
1532 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1533 // should be sufficient.
1534 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1537 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1538 def BR_JTr : ARMPseudoInst<(outs),
1539 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1540 SizeSpecial, IIC_Br,
1541 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1542 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1543 // into i12 and rs suffixed versions.
1544 def BR_JTm : ARMPseudoInst<(outs),
1545 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1546 SizeSpecial, IIC_Br,
1547 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1549 def BR_JTadd : ARMPseudoInst<(outs),
1550 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1551 SizeSpecial, IIC_Br,
1552 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1554 } // isNotDuplicable = 1, isIndirectBranch = 1
1557 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1558 // a two-value operand where a dag node expects two operands. :(
1559 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1560 IIC_Br, "b", "\t$target",
1561 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1563 let Inst{23-0} = target;
1567 // BLX (immediate) -- for disassembly only
1568 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1569 "blx\t$target", [/* pattern left blank */]>,
1570 Requires<[IsARM, HasV5T]> {
1571 let Inst{31-25} = 0b1111101;
1573 let Inst{23-0} = target{24-1};
1574 let Inst{24} = target{0};
1577 // Branch and Exchange Jazelle -- for disassembly only
1578 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1579 [/* For disassembly only; pattern left blank */]> {
1580 let Inst{23-20} = 0b0010;
1581 //let Inst{19-8} = 0xfff;
1582 let Inst{7-4} = 0b0010;
1585 // Secure Monitor Call is a system instruction -- for disassembly only
1586 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1587 [/* For disassembly only; pattern left blank */]> {
1589 let Inst{23-4} = 0b01100000000000000111;
1590 let Inst{3-0} = opt;
1593 // Supervisor Call (Software Interrupt) -- for disassembly only
1594 let isCall = 1, Uses = [SP] in {
1595 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1596 [/* For disassembly only; pattern left blank */]> {
1598 let Inst{23-0} = svc;
1601 def : MnemonicAlias<"swi", "svc">;
1603 // Store Return State is a system instruction -- for disassembly only
1604 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1605 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1606 NoItinerary, "srs${amode}\tsp!, $mode",
1607 [/* For disassembly only; pattern left blank */]> {
1608 let Inst{31-28} = 0b1111;
1609 let Inst{22-20} = 0b110; // W = 1
1610 let Inst{19-8} = 0xd05;
1611 let Inst{7-5} = 0b000;
1614 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1615 NoItinerary, "srs${amode}\tsp, $mode",
1616 [/* For disassembly only; pattern left blank */]> {
1617 let Inst{31-28} = 0b1111;
1618 let Inst{22-20} = 0b100; // W = 0
1619 let Inst{19-8} = 0xd05;
1620 let Inst{7-5} = 0b000;
1623 // Return From Exception is a system instruction -- for disassembly only
1624 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1625 NoItinerary, "rfe${amode}\t$base!",
1626 [/* For disassembly only; pattern left blank */]> {
1627 let Inst{31-28} = 0b1111;
1628 let Inst{22-20} = 0b011; // W = 1
1629 let Inst{15-0} = 0x0a00;
1632 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1633 NoItinerary, "rfe${amode}\t$base",
1634 [/* For disassembly only; pattern left blank */]> {
1635 let Inst{31-28} = 0b1111;
1636 let Inst{22-20} = 0b001; // W = 0
1637 let Inst{15-0} = 0x0a00;
1639 } // isCodeGenOnly = 1
1641 //===----------------------------------------------------------------------===//
1642 // Load / store Instructions.
1648 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1649 UnOpFrag<(load node:$Src)>>;
1650 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1651 UnOpFrag<(zextloadi8 node:$Src)>>;
1652 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1653 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1654 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1655 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1657 // Special LDR for loads from non-pc-relative constpools.
1658 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1659 isReMaterializable = 1 in
1660 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1661 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1665 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1666 let Inst{19-16} = 0b1111;
1667 let Inst{15-12} = Rt;
1668 let Inst{11-0} = addr{11-0}; // imm12
1671 // Loads with zero extension
1672 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1673 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1674 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1676 // Loads with sign extension
1677 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1678 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1679 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1681 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1682 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1683 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1685 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1687 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1688 (ins addrmode3:$addr), LdMiscFrm,
1689 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1690 []>, Requires<[IsARM, HasV5TE]>;
1694 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1695 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1696 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1697 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1699 // {13} 1 == Rm, 0 == imm12
1703 let Inst{25} = addr{13};
1704 let Inst{23} = addr{12};
1705 let Inst{19-16} = addr{17-14};
1706 let Inst{11-0} = addr{11-0};
1707 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1709 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1710 (ins GPR:$Rn, am2offset:$offset),
1711 IndexModePost, LdFrm, itin,
1712 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1713 // {13} 1 == Rm, 0 == imm12
1718 let Inst{25} = offset{13};
1719 let Inst{23} = offset{12};
1720 let Inst{19-16} = Rn;
1721 let Inst{11-0} = offset{11-0};
1725 let mayLoad = 1, neverHasSideEffects = 1 in {
1726 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1727 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1730 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1731 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1732 (ins addrmode3:$addr), IndexModePre,
1734 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1736 let Inst{23} = addr{8}; // U bit
1737 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1738 let Inst{19-16} = addr{12-9}; // Rn
1739 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1740 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1742 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1743 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1745 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1748 let Inst{23} = offset{8}; // U bit
1749 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1750 let Inst{19-16} = Rn;
1751 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1752 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1756 let mayLoad = 1, neverHasSideEffects = 1 in {
1757 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1758 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1759 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1760 let hasExtraDefRegAllocReq = 1 in {
1761 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1762 (ins addrmode3:$addr), IndexModePre,
1763 LdMiscFrm, IIC_iLoad_d_ru,
1764 "ldrd", "\t$Rt, $Rt2, $addr!",
1765 "$addr.base = $Rn_wb", []> {
1767 let Inst{23} = addr{8}; // U bit
1768 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1769 let Inst{19-16} = addr{12-9}; // Rn
1770 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1771 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1773 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1774 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1775 LdMiscFrm, IIC_iLoad_d_ru,
1776 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1777 "$Rn = $Rn_wb", []> {
1780 let Inst{23} = offset{8}; // U bit
1781 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1782 let Inst{19-16} = Rn;
1783 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1784 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1786 } // hasExtraDefRegAllocReq = 1
1787 } // mayLoad = 1, neverHasSideEffects = 1
1789 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1790 let mayLoad = 1, neverHasSideEffects = 1 in {
1791 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1792 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1793 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1795 // {13} 1 == Rm, 0 == imm12
1799 let Inst{25} = addr{13};
1800 let Inst{23} = addr{12};
1801 let Inst{21} = 1; // overwrite
1802 let Inst{19-16} = addr{17-14};
1803 let Inst{11-0} = addr{11-0};
1804 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1806 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1807 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1808 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1810 // {13} 1 == Rm, 0 == imm12
1814 let Inst{25} = addr{13};
1815 let Inst{23} = addr{12};
1816 let Inst{21} = 1; // overwrite
1817 let Inst{19-16} = addr{17-14};
1818 let Inst{11-0} = addr{11-0};
1819 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1821 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1822 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1823 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1824 let Inst{21} = 1; // overwrite
1826 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1827 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1828 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1829 let Inst{21} = 1; // overwrite
1831 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1832 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1833 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1834 let Inst{21} = 1; // overwrite
1840 // Stores with truncate
1841 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1842 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1843 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1846 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1847 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1848 StMiscFrm, IIC_iStore_d_r,
1849 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1852 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1853 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1854 IndexModePre, StFrm, IIC_iStore_ru,
1855 "str", "\t$Rt, [$Rn, $offset]!",
1856 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1858 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1860 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1861 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1862 IndexModePost, StFrm, IIC_iStore_ru,
1863 "str", "\t$Rt, [$Rn], $offset",
1864 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1866 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1868 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1869 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1870 IndexModePre, StFrm, IIC_iStore_bh_ru,
1871 "strb", "\t$Rt, [$Rn, $offset]!",
1872 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1873 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1874 GPR:$Rn, am2offset:$offset))]>;
1875 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1876 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1877 IndexModePost, StFrm, IIC_iStore_bh_ru,
1878 "strb", "\t$Rt, [$Rn], $offset",
1879 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1880 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1881 GPR:$Rn, am2offset:$offset))]>;
1883 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1884 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1885 IndexModePre, StMiscFrm, IIC_iStore_ru,
1886 "strh", "\t$Rt, [$Rn, $offset]!",
1887 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1889 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1891 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1892 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1893 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1894 "strh", "\t$Rt, [$Rn], $offset",
1895 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1896 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1897 GPR:$Rn, am3offset:$offset))]>;
1899 // For disassembly only
1900 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1901 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1902 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1903 StMiscFrm, IIC_iStore_d_ru,
1904 "strd", "\t$src1, $src2, [$base, $offset]!",
1905 "$base = $base_wb", []>;
1907 // For disassembly only
1908 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1909 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1910 StMiscFrm, IIC_iStore_d_ru,
1911 "strd", "\t$src1, $src2, [$base], $offset",
1912 "$base = $base_wb", []>;
1913 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
1915 // STRT, STRBT, and STRHT are for disassembly only.
1917 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1918 IndexModePost, StFrm, IIC_iStore_ru,
1919 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1920 [/* For disassembly only; pattern left blank */]> {
1921 let Inst{21} = 1; // overwrite
1922 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1925 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1926 IndexModePost, StFrm, IIC_iStore_bh_ru,
1927 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1928 [/* For disassembly only; pattern left blank */]> {
1929 let Inst{21} = 1; // overwrite
1930 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1933 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1934 StMiscFrm, IIC_iStore_bh_ru,
1935 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1936 [/* For disassembly only; pattern left blank */]> {
1937 let Inst{21} = 1; // overwrite
1938 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1941 //===----------------------------------------------------------------------===//
1942 // Load / store multiple Instructions.
1945 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1946 InstrItinClass itin, InstrItinClass itin_upd> {
1948 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1949 IndexModeNone, f, itin,
1950 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1951 let Inst{24-23} = 0b01; // Increment After
1952 let Inst{21} = 0; // No writeback
1953 let Inst{20} = L_bit;
1956 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1957 IndexModeUpd, f, itin_upd,
1958 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1959 let Inst{24-23} = 0b01; // Increment After
1960 let Inst{21} = 1; // Writeback
1961 let Inst{20} = L_bit;
1964 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1965 IndexModeNone, f, itin,
1966 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1967 let Inst{24-23} = 0b00; // Decrement After
1968 let Inst{21} = 0; // No writeback
1969 let Inst{20} = L_bit;
1972 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1973 IndexModeUpd, f, itin_upd,
1974 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1975 let Inst{24-23} = 0b00; // Decrement After
1976 let Inst{21} = 1; // Writeback
1977 let Inst{20} = L_bit;
1980 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1981 IndexModeNone, f, itin,
1982 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1983 let Inst{24-23} = 0b10; // Decrement Before
1984 let Inst{21} = 0; // No writeback
1985 let Inst{20} = L_bit;
1988 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1989 IndexModeUpd, f, itin_upd,
1990 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1991 let Inst{24-23} = 0b10; // Decrement Before
1992 let Inst{21} = 1; // Writeback
1993 let Inst{20} = L_bit;
1996 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1997 IndexModeNone, f, itin,
1998 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1999 let Inst{24-23} = 0b11; // Increment Before
2000 let Inst{21} = 0; // No writeback
2001 let Inst{20} = L_bit;
2004 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2005 IndexModeUpd, f, itin_upd,
2006 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2007 let Inst{24-23} = 0b11; // Increment Before
2008 let Inst{21} = 1; // Writeback
2009 let Inst{20} = L_bit;
2013 let neverHasSideEffects = 1 in {
2015 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2016 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2018 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2019 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2021 } // neverHasSideEffects
2023 // Load / Store Multiple Mnemonic Aliases
2024 def : MnemonicAlias<"ldmfd", "ldmia">;
2025 def : MnemonicAlias<"stmfd", "stmdb">;
2026 def : MnemonicAlias<"ldm", "ldmia">;
2027 def : MnemonicAlias<"stm", "stmia">;
2029 // FIXME: remove when we have a way to marking a MI with these properties.
2030 // FIXME: Should pc be an implicit operand like PICADD, etc?
2031 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2032 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2033 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2034 reglist:$regs, variable_ops),
2035 Size4Bytes, IIC_iLoad_mBr, []>,
2036 RegConstraint<"$Rn = $wb">;
2038 //===----------------------------------------------------------------------===//
2039 // Move Instructions.
2042 let neverHasSideEffects = 1 in
2043 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2044 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2048 let Inst{19-16} = 0b0000;
2049 let Inst{11-4} = 0b00000000;
2052 let Inst{15-12} = Rd;
2055 // A version for the smaller set of tail call registers.
2056 let neverHasSideEffects = 1 in
2057 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2058 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2062 let Inst{11-4} = 0b00000000;
2065 let Inst{15-12} = Rd;
2068 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2069 DPSoRegFrm, IIC_iMOVsr,
2070 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2074 let Inst{15-12} = Rd;
2075 let Inst{19-16} = 0b0000;
2076 let Inst{11-0} = src;
2080 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2081 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2082 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2086 let Inst{15-12} = Rd;
2087 let Inst{19-16} = 0b0000;
2088 let Inst{11-0} = imm;
2091 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2092 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2094 "movw", "\t$Rd, $imm",
2095 [(set GPR:$Rd, imm0_65535:$imm)]>,
2096 Requires<[IsARM, HasV6T2]>, UnaryDP {
2099 let Inst{15-12} = Rd;
2100 let Inst{11-0} = imm{11-0};
2101 let Inst{19-16} = imm{15-12};
2106 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2107 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2109 let Constraints = "$src = $Rd" in {
2110 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2112 "movt", "\t$Rd, $imm",
2114 (or (and GPR:$src, 0xffff),
2115 lo16AllZero:$imm))]>, UnaryDP,
2116 Requires<[IsARM, HasV6T2]> {
2119 let Inst{15-12} = Rd;
2120 let Inst{11-0} = imm{11-0};
2121 let Inst{19-16} = imm{15-12};
2126 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2127 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2131 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2132 Requires<[IsARM, HasV6T2]>;
2134 let Uses = [CPSR] in
2135 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2136 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2139 // These aren't really mov instructions, but we have to define them this way
2140 // due to flag operands.
2142 let Defs = [CPSR] in {
2143 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2144 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2146 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2147 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2151 //===----------------------------------------------------------------------===//
2152 // Extend Instructions.
2157 defm SXTB : AI_ext_rrot<0b01101010,
2158 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2159 defm SXTH : AI_ext_rrot<0b01101011,
2160 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2162 defm SXTAB : AI_exta_rrot<0b01101010,
2163 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2164 defm SXTAH : AI_exta_rrot<0b01101011,
2165 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2167 // For disassembly only
2168 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2170 // For disassembly only
2171 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2175 let AddedComplexity = 16 in {
2176 defm UXTB : AI_ext_rrot<0b01101110,
2177 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2178 defm UXTH : AI_ext_rrot<0b01101111,
2179 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2180 defm UXTB16 : AI_ext_rrot<0b01101100,
2181 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2183 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2184 // The transformation should probably be done as a combiner action
2185 // instead so we can include a check for masking back in the upper
2186 // eight bits of the source into the lower eight bits of the result.
2187 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2188 // (UXTB16r_rot GPR:$Src, 24)>;
2189 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2190 (UXTB16r_rot GPR:$Src, 8)>;
2192 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2193 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2194 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2195 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2198 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2199 // For disassembly only
2200 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2203 def SBFX : I<(outs GPR:$Rd),
2204 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2205 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2206 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2207 Requires<[IsARM, HasV6T2]> {
2212 let Inst{27-21} = 0b0111101;
2213 let Inst{6-4} = 0b101;
2214 let Inst{20-16} = width;
2215 let Inst{15-12} = Rd;
2216 let Inst{11-7} = lsb;
2220 def UBFX : I<(outs GPR:$Rd),
2221 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2222 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2223 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2224 Requires<[IsARM, HasV6T2]> {
2229 let Inst{27-21} = 0b0111111;
2230 let Inst{6-4} = 0b101;
2231 let Inst{20-16} = width;
2232 let Inst{15-12} = Rd;
2233 let Inst{11-7} = lsb;
2237 //===----------------------------------------------------------------------===//
2238 // Arithmetic Instructions.
2241 defm ADD : AsI1_bin_irs<0b0100, "add",
2242 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2243 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2244 defm SUB : AsI1_bin_irs<0b0010, "sub",
2245 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2246 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2248 // ADD and SUB with 's' bit set.
2249 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2250 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2251 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2252 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2253 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2254 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2256 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2257 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2258 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2259 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2261 // ADC and SUBC with 's' bit set.
2262 let usesCustomInserter = 1 in {
2263 defm ADCS : AI1_adde_sube_s_irs<
2264 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2265 defm SBCS : AI1_adde_sube_s_irs<
2266 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2269 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2270 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2271 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2276 let Inst{15-12} = Rd;
2277 let Inst{19-16} = Rn;
2278 let Inst{11-0} = imm;
2281 // The reg/reg form is only defined for the disassembler; for codegen it is
2282 // equivalent to SUBrr.
2283 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2284 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2285 [/* For disassembly only; pattern left blank */]> {
2289 let Inst{11-4} = 0b00000000;
2292 let Inst{15-12} = Rd;
2293 let Inst{19-16} = Rn;
2296 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2297 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2298 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2303 let Inst{11-0} = shift;
2304 let Inst{15-12} = Rd;
2305 let Inst{19-16} = Rn;
2308 // RSB with 's' bit set.
2309 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2310 let usesCustomInserter = 1 in {
2311 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2312 Size4Bytes, IIC_iALUi,
2313 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2314 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2315 Size4Bytes, IIC_iALUr,
2316 [/* For disassembly only; pattern left blank */]>;
2317 def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2318 Size4Bytes, IIC_iALUsr,
2319 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
2322 let Uses = [CPSR] in {
2323 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2324 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2325 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2331 let Inst{15-12} = Rd;
2332 let Inst{19-16} = Rn;
2333 let Inst{11-0} = imm;
2335 // The reg/reg form is only defined for the disassembler; for codegen it is
2336 // equivalent to SUBrr.
2337 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2338 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2339 [/* For disassembly only; pattern left blank */]> {
2343 let Inst{11-4} = 0b00000000;
2346 let Inst{15-12} = Rd;
2347 let Inst{19-16} = Rn;
2349 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2350 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2351 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2357 let Inst{11-0} = shift;
2358 let Inst{15-12} = Rd;
2359 let Inst{19-16} = Rn;
2363 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2364 let usesCustomInserter = 1, Uses = [CPSR] in {
2365 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2366 Size4Bytes, IIC_iALUi,
2367 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2368 def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2369 Size4Bytes, IIC_iALUsr,
2370 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
2373 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2374 // The assume-no-carry-in form uses the negation of the input since add/sub
2375 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2376 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2378 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2379 (SUBri GPR:$src, so_imm_neg:$imm)>;
2380 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2381 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2382 // The with-carry-in form matches bitwise not instead of the negation.
2383 // Effectively, the inverse interpretation of the carry flag already accounts
2384 // for part of the negation.
2385 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2386 (SBCri GPR:$src, so_imm_not:$imm)>;
2387 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2388 (SBCSri GPR:$src, so_imm_not:$imm)>;
2390 // Note: These are implemented in C++ code, because they have to generate
2391 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2393 // (mul X, 2^n+1) -> (add (X << n), X)
2394 // (mul X, 2^n-1) -> (rsb X, (X << n))
2396 // ARM Arithmetic Instruction -- for disassembly only
2397 // GPR:$dst = GPR:$a op GPR:$b
2398 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2399 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2400 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2401 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2405 let Inst{27-20} = op27_20;
2406 let Inst{11-4} = op11_4;
2407 let Inst{19-16} = Rn;
2408 let Inst{15-12} = Rd;
2412 // Saturating add/subtract -- for disassembly only
2414 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2415 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2416 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2417 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2418 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2419 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2420 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2422 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2425 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2426 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2427 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2428 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2429 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2430 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2431 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2432 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2433 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2434 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2435 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2436 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2438 // Signed/Unsigned add/subtract -- for disassembly only
2440 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2441 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2442 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2443 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2444 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2445 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2446 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2447 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2448 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2449 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2450 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2451 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2453 // Signed/Unsigned halving add/subtract -- for disassembly only
2455 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2456 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2457 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2458 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2459 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2460 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2461 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2462 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2463 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2464 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2465 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2466 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2468 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2470 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2471 MulFrm /* for convenience */, NoItinerary, "usad8",
2472 "\t$Rd, $Rn, $Rm", []>,
2473 Requires<[IsARM, HasV6]> {
2477 let Inst{27-20} = 0b01111000;
2478 let Inst{15-12} = 0b1111;
2479 let Inst{7-4} = 0b0001;
2480 let Inst{19-16} = Rd;
2481 let Inst{11-8} = Rm;
2484 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2485 MulFrm /* for convenience */, NoItinerary, "usada8",
2486 "\t$Rd, $Rn, $Rm, $Ra", []>,
2487 Requires<[IsARM, HasV6]> {
2492 let Inst{27-20} = 0b01111000;
2493 let Inst{7-4} = 0b0001;
2494 let Inst{19-16} = Rd;
2495 let Inst{15-12} = Ra;
2496 let Inst{11-8} = Rm;
2500 // Signed/Unsigned saturate -- for disassembly only
2502 def SSAT : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$a, shift_imm:$sh),
2503 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2504 [/* For disassembly only; pattern left blank */]> {
2509 let Inst{27-21} = 0b0110101;
2510 let Inst{5-4} = 0b01;
2511 let Inst{20-16} = sat_imm;
2512 let Inst{15-12} = Rd;
2513 let Inst{11-7} = sh{7-3};
2514 let Inst{6} = sh{0};
2518 def SSAT16 : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$Rn), SatFrm,
2519 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2520 [/* For disassembly only; pattern left blank */]> {
2524 let Inst{27-20} = 0b01101010;
2525 let Inst{11-4} = 0b11110011;
2526 let Inst{15-12} = Rd;
2527 let Inst{19-16} = sat_imm;
2531 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2532 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2533 [/* For disassembly only; pattern left blank */]> {
2538 let Inst{27-21} = 0b0110111;
2539 let Inst{5-4} = 0b01;
2540 let Inst{15-12} = Rd;
2541 let Inst{11-7} = sh{7-3};
2542 let Inst{6} = sh{0};
2543 let Inst{20-16} = sat_imm;
2547 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2548 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2549 [/* For disassembly only; pattern left blank */]> {
2553 let Inst{27-20} = 0b01101110;
2554 let Inst{11-4} = 0b11110011;
2555 let Inst{15-12} = Rd;
2556 let Inst{19-16} = sat_imm;
2560 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2561 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2563 //===----------------------------------------------------------------------===//
2564 // Bitwise Instructions.
2567 defm AND : AsI1_bin_irs<0b0000, "and",
2568 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2569 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2570 defm ORR : AsI1_bin_irs<0b1100, "orr",
2571 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2572 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2573 defm EOR : AsI1_bin_irs<0b0001, "eor",
2574 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2575 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2576 defm BIC : AsI1_bin_irs<0b1110, "bic",
2577 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2578 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2580 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2581 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2582 "bfc", "\t$Rd, $imm", "$src = $Rd",
2583 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2584 Requires<[IsARM, HasV6T2]> {
2587 let Inst{27-21} = 0b0111110;
2588 let Inst{6-0} = 0b0011111;
2589 let Inst{15-12} = Rd;
2590 let Inst{11-7} = imm{4-0}; // lsb
2591 let Inst{20-16} = imm{9-5}; // width
2594 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2595 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2596 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2597 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2598 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2599 bf_inv_mask_imm:$imm))]>,
2600 Requires<[IsARM, HasV6T2]> {
2604 let Inst{27-21} = 0b0111110;
2605 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2606 let Inst{15-12} = Rd;
2607 let Inst{11-7} = imm{4-0}; // lsb
2608 let Inst{20-16} = imm{9-5}; // width
2612 // GNU as only supports this form of bfi (w/ 4 arguments)
2613 let isAsmParserOnly = 1 in
2614 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2615 lsb_pos_imm:$lsb, width_imm:$width),
2616 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2617 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2618 []>, Requires<[IsARM, HasV6T2]> {
2623 let Inst{27-21} = 0b0111110;
2624 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2625 let Inst{15-12} = Rd;
2626 let Inst{11-7} = lsb;
2627 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2631 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2632 "mvn", "\t$Rd, $Rm",
2633 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2637 let Inst{19-16} = 0b0000;
2638 let Inst{11-4} = 0b00000000;
2639 let Inst{15-12} = Rd;
2642 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2643 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2644 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2648 let Inst{19-16} = 0b0000;
2649 let Inst{15-12} = Rd;
2650 let Inst{11-0} = shift;
2652 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2653 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2654 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2655 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2659 let Inst{19-16} = 0b0000;
2660 let Inst{15-12} = Rd;
2661 let Inst{11-0} = imm;
2664 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2665 (BICri GPR:$src, so_imm_not:$imm)>;
2667 //===----------------------------------------------------------------------===//
2668 // Multiply Instructions.
2670 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2671 string opc, string asm, list<dag> pattern>
2672 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2676 let Inst{19-16} = Rd;
2677 let Inst{11-8} = Rm;
2680 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2681 string opc, string asm, list<dag> pattern>
2682 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2687 let Inst{19-16} = RdHi;
2688 let Inst{15-12} = RdLo;
2689 let Inst{11-8} = Rm;
2693 let isCommutable = 1 in {
2694 let Constraints = "@earlyclobber $Rd" in
2695 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2696 pred:$p, cc_out:$s),
2697 Size4Bytes, IIC_iMUL32,
2698 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2699 Requires<[IsARM, NoV6]>;
2701 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2702 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2703 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2704 Requires<[IsARM, HasV6]> {
2705 let Inst{15-12} = 0b0000;
2709 let Constraints = "@earlyclobber $Rd" in
2710 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2711 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2712 Size4Bytes, IIC_iMAC32,
2713 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2714 Requires<[IsARM, NoV6]>;
2715 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2716 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2717 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2718 Requires<[IsARM, HasV6]> {
2720 let Inst{15-12} = Ra;
2723 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2724 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2725 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2726 Requires<[IsARM, HasV6T2]> {
2731 let Inst{19-16} = Rd;
2732 let Inst{15-12} = Ra;
2733 let Inst{11-8} = Rm;
2737 // Extra precision multiplies with low / high results
2739 let neverHasSideEffects = 1 in {
2740 let isCommutable = 1 in {
2741 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2742 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2743 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2744 Size4Bytes, IIC_iMUL64, []>,
2745 Requires<[IsARM, NoV6]>;
2747 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2748 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2749 Size4Bytes, IIC_iMUL64, []>,
2750 Requires<[IsARM, NoV6]>;
2753 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2754 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2755 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2756 Requires<[IsARM, HasV6]>;
2758 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2759 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2760 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2761 Requires<[IsARM, HasV6]>;
2764 // Multiply + accumulate
2765 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2766 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2767 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2768 Size4Bytes, IIC_iMAC64, []>,
2769 Requires<[IsARM, NoV6]>;
2770 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2771 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2772 Size4Bytes, IIC_iMAC64, []>,
2773 Requires<[IsARM, NoV6]>;
2774 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2775 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2776 Size4Bytes, IIC_iMAC64, []>,
2777 Requires<[IsARM, NoV6]>;
2781 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2782 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2783 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2784 Requires<[IsARM, HasV6]>;
2785 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2786 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2787 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2788 Requires<[IsARM, HasV6]>;
2790 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2791 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2792 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2793 Requires<[IsARM, HasV6]> {
2798 let Inst{19-16} = RdLo;
2799 let Inst{15-12} = RdHi;
2800 let Inst{11-8} = Rm;
2803 } // neverHasSideEffects
2805 // Most significant word multiply
2806 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2807 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2808 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2809 Requires<[IsARM, HasV6]> {
2810 let Inst{15-12} = 0b1111;
2813 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2814 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2815 [/* For disassembly only; pattern left blank */]>,
2816 Requires<[IsARM, HasV6]> {
2817 let Inst{15-12} = 0b1111;
2820 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2821 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2822 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2823 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2824 Requires<[IsARM, HasV6]>;
2826 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2827 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2828 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2829 [/* For disassembly only; pattern left blank */]>,
2830 Requires<[IsARM, HasV6]>;
2832 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2833 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2834 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2835 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2836 Requires<[IsARM, HasV6]>;
2838 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2839 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2840 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2841 [/* For disassembly only; pattern left blank */]>,
2842 Requires<[IsARM, HasV6]>;
2844 multiclass AI_smul<string opc, PatFrag opnode> {
2845 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2846 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2847 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2848 (sext_inreg GPR:$Rm, i16)))]>,
2849 Requires<[IsARM, HasV5TE]>;
2851 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2852 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2853 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2854 (sra GPR:$Rm, (i32 16))))]>,
2855 Requires<[IsARM, HasV5TE]>;
2857 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2858 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2859 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2860 (sext_inreg GPR:$Rm, i16)))]>,
2861 Requires<[IsARM, HasV5TE]>;
2863 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2864 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2865 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2866 (sra GPR:$Rm, (i32 16))))]>,
2867 Requires<[IsARM, HasV5TE]>;
2869 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2870 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2871 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2872 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2873 Requires<[IsARM, HasV5TE]>;
2875 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2876 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2877 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2878 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2879 Requires<[IsARM, HasV5TE]>;
2883 multiclass AI_smla<string opc, PatFrag opnode> {
2884 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2885 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2886 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2887 [(set GPR:$Rd, (add GPR:$Ra,
2888 (opnode (sext_inreg GPR:$Rn, i16),
2889 (sext_inreg GPR:$Rm, i16))))]>,
2890 Requires<[IsARM, HasV5TE]>;
2892 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2893 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2894 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2895 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2896 (sra GPR:$Rm, (i32 16)))))]>,
2897 Requires<[IsARM, HasV5TE]>;
2899 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2900 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2901 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2902 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2903 (sext_inreg GPR:$Rm, i16))))]>,
2904 Requires<[IsARM, HasV5TE]>;
2906 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2907 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2908 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2909 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2910 (sra GPR:$Rm, (i32 16)))))]>,
2911 Requires<[IsARM, HasV5TE]>;
2913 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2914 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2915 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2916 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2917 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2918 Requires<[IsARM, HasV5TE]>;
2920 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2921 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2922 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2923 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2924 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2925 Requires<[IsARM, HasV5TE]>;
2928 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2929 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2931 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2932 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2933 (ins GPR:$Rn, GPR:$Rm),
2934 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2935 [/* For disassembly only; pattern left blank */]>,
2936 Requires<[IsARM, HasV5TE]>;
2938 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2939 (ins GPR:$Rn, GPR:$Rm),
2940 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2941 [/* For disassembly only; pattern left blank */]>,
2942 Requires<[IsARM, HasV5TE]>;
2944 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2945 (ins GPR:$Rn, GPR:$Rm),
2946 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2947 [/* For disassembly only; pattern left blank */]>,
2948 Requires<[IsARM, HasV5TE]>;
2950 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2951 (ins GPR:$Rn, GPR:$Rm),
2952 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2953 [/* For disassembly only; pattern left blank */]>,
2954 Requires<[IsARM, HasV5TE]>;
2956 // Helper class for AI_smld -- for disassembly only
2957 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2958 InstrItinClass itin, string opc, string asm>
2959 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2966 let Inst{21-20} = 0b00;
2967 let Inst{22} = long;
2968 let Inst{27-23} = 0b01110;
2969 let Inst{11-8} = Rm;
2972 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2973 InstrItinClass itin, string opc, string asm>
2974 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2976 let Inst{15-12} = 0b1111;
2977 let Inst{19-16} = Rd;
2979 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2980 InstrItinClass itin, string opc, string asm>
2981 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2983 let Inst{15-12} = Ra;
2985 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2986 InstrItinClass itin, string opc, string asm>
2987 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2990 let Inst{19-16} = RdHi;
2991 let Inst{15-12} = RdLo;
2994 multiclass AI_smld<bit sub, string opc> {
2996 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2997 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2999 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3000 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3002 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3003 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3004 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3006 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3007 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3008 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3012 defm SMLA : AI_smld<0, "smla">;
3013 defm SMLS : AI_smld<1, "smls">;
3015 multiclass AI_sdml<bit sub, string opc> {
3017 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3018 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3019 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3020 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3023 defm SMUA : AI_sdml<0, "smua">;
3024 defm SMUS : AI_sdml<1, "smus">;
3026 //===----------------------------------------------------------------------===//
3027 // Misc. Arithmetic Instructions.
3030 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3031 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3032 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3034 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3035 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3036 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3037 Requires<[IsARM, HasV6T2]>;
3039 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3040 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3041 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3043 let AddedComplexity = 5 in
3044 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3045 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3046 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3047 Requires<[IsARM, HasV6]>;
3049 let AddedComplexity = 5 in
3050 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3051 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3052 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3053 Requires<[IsARM, HasV6]>;
3055 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3056 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3059 def lsl_shift_imm : SDNodeXForm<imm, [{
3060 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3061 return CurDAG->getTargetConstant(Sh, MVT::i32);
3064 def lsl_amt : ImmLeaf<i32, [{
3065 return Imm > 0 && Imm < 32;
3068 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3069 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3070 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3071 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3072 (and (shl GPR:$Rm, lsl_amt:$sh),
3074 Requires<[IsARM, HasV6]>;
3076 // Alternate cases for PKHBT where identities eliminate some nodes.
3077 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3078 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3079 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3080 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3082 def asr_shift_imm : SDNodeXForm<imm, [{
3083 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3084 return CurDAG->getTargetConstant(Sh, MVT::i32);
3087 def asr_amt : ImmLeaf<i32, [{
3088 return Imm > 0 && Imm <= 32;
3091 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3092 // will match the pattern below.
3093 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3094 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3095 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3096 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3097 (and (sra GPR:$Rm, asr_amt:$sh),
3099 Requires<[IsARM, HasV6]>;
3101 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3102 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3103 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3104 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3105 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3106 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3107 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3109 //===----------------------------------------------------------------------===//
3110 // Comparison Instructions...
3113 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3114 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3115 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3117 // ARMcmpZ can re-use the above instruction definitions.
3118 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3119 (CMPri GPR:$src, so_imm:$imm)>;
3120 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3121 (CMPrr GPR:$src, GPR:$rhs)>;
3122 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3123 (CMPrs GPR:$src, so_reg:$rhs)>;
3125 // FIXME: We have to be careful when using the CMN instruction and comparison
3126 // with 0. One would expect these two pieces of code should give identical
3142 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3143 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3144 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3145 // value of r0 and the carry bit (because the "carry bit" parameter to
3146 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3147 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3148 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3149 // parameter to AddWithCarry is defined as 0).
3151 // When x is 0 and unsigned:
3155 // ~x + 1 = 0x1 0000 0000
3156 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3158 // Therefore, we should disable CMN when comparing against zero, until we can
3159 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3160 // when it's a comparison which doesn't look at the 'carry' flag).
3162 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3164 // This is related to <rdar://problem/7569620>.
3166 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3167 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3169 // Note that TST/TEQ don't set all the same flags that CMP does!
3170 defm TST : AI1_cmp_irs<0b1000, "tst",
3171 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3172 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3173 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3174 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3175 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3177 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3178 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3179 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3181 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3182 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3184 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3185 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3187 // Pseudo i64 compares for some floating point compares.
3188 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3190 def BCCi64 : PseudoInst<(outs),
3191 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3193 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3195 def BCCZi64 : PseudoInst<(outs),
3196 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3197 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3198 } // usesCustomInserter
3201 // Conditional moves
3202 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3203 // a two-value operand where a dag node expects two operands. :(
3204 let neverHasSideEffects = 1 in {
3205 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3206 Size4Bytes, IIC_iCMOVr,
3207 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3208 RegConstraint<"$false = $Rd">;
3209 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3210 (ins GPR:$false, so_reg:$shift, pred:$p),
3211 Size4Bytes, IIC_iCMOVsr,
3212 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3213 RegConstraint<"$false = $Rd">;
3215 let isMoveImm = 1 in
3216 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3217 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3218 Size4Bytes, IIC_iMOVi,
3220 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3222 let isMoveImm = 1 in
3223 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3224 (ins GPR:$false, so_imm:$imm, pred:$p),
3225 Size4Bytes, IIC_iCMOVi,
3226 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3227 RegConstraint<"$false = $Rd">;
3229 // Two instruction predicate mov immediate.
3230 let isMoveImm = 1 in
3231 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3232 (ins GPR:$false, i32imm:$src, pred:$p),
3233 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3235 let isMoveImm = 1 in
3236 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3237 (ins GPR:$false, so_imm:$imm, pred:$p),
3238 Size4Bytes, IIC_iCMOVi,
3239 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3240 RegConstraint<"$false = $Rd">;
3241 } // neverHasSideEffects
3243 //===----------------------------------------------------------------------===//
3244 // Atomic operations intrinsics
3247 def memb_opt : Operand<i32> {
3248 let PrintMethod = "printMemBOption";
3249 let ParserMatchClass = MemBarrierOptOperand;
3252 // memory barriers protect the atomic sequences
3253 let hasSideEffects = 1 in {
3254 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3255 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3256 Requires<[IsARM, HasDB]> {
3258 let Inst{31-4} = 0xf57ff05;
3259 let Inst{3-0} = opt;
3263 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3265 [/* For disassembly only; pattern left blank */]>,
3266 Requires<[IsARM, HasDB]> {
3268 let Inst{31-4} = 0xf57ff04;
3269 let Inst{3-0} = opt;
3272 // ISB has only full system option -- for disassembly only
3273 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3274 Requires<[IsARM, HasDB]> {
3275 let Inst{31-4} = 0xf57ff06;
3276 let Inst{3-0} = 0b1111;
3279 let usesCustomInserter = 1 in {
3280 let Uses = [CPSR] in {
3281 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3282 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3283 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3284 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3285 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3286 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3287 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3288 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3289 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3290 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3291 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3292 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3293 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3294 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3295 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3296 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3297 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3298 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3299 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3300 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3301 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3302 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3303 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3304 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3305 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3306 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3307 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3308 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3309 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3310 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3311 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3312 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3313 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3314 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3315 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3316 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3317 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3318 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3319 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3320 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3321 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3322 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3323 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3324 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3325 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3326 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3327 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3328 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3329 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3330 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3331 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3332 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3333 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3334 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3335 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3336 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3337 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3338 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3340 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3341 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3342 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3343 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3344 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3345 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3346 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3347 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3348 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3349 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3350 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3351 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3352 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3353 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3354 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3355 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3356 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3357 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3358 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3359 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3360 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3361 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3362 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3363 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3364 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3365 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3366 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3367 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3368 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3369 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3370 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3372 def ATOMIC_SWAP_I8 : PseudoInst<
3373 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3374 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3375 def ATOMIC_SWAP_I16 : PseudoInst<
3376 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3377 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3378 def ATOMIC_SWAP_I32 : PseudoInst<
3379 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3380 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3382 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3383 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3384 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3385 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3386 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3387 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3388 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3389 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3390 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3394 let mayLoad = 1 in {
3395 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3396 "ldrexb", "\t$Rt, $addr", []>;
3397 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3398 "ldrexh", "\t$Rt, $addr", []>;
3399 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3400 "ldrex", "\t$Rt, $addr", []>;
3401 let hasExtraDefRegAllocReq = 1 in
3402 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3403 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3406 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3407 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3408 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3409 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3410 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3411 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3412 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3415 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3416 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3417 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3418 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3420 // Clear-Exclusive is for disassembly only.
3421 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3422 [/* For disassembly only; pattern left blank */]>,
3423 Requires<[IsARM, HasV7]> {
3424 let Inst{31-0} = 0b11110101011111111111000000011111;
3427 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3428 let mayLoad = 1 in {
3429 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3430 [/* For disassembly only; pattern left blank */]>;
3431 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3432 [/* For disassembly only; pattern left blank */]>;
3435 //===----------------------------------------------------------------------===//
3436 // Coprocessor Instructions.
3439 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3440 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3441 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3442 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3443 imm:$CRm, imm:$opc2)]> {
3451 let Inst{3-0} = CRm;
3453 let Inst{7-5} = opc2;
3454 let Inst{11-8} = cop;
3455 let Inst{15-12} = CRd;
3456 let Inst{19-16} = CRn;
3457 let Inst{23-20} = opc1;
3460 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3461 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3462 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3463 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3464 imm:$CRm, imm:$opc2)]> {
3465 let Inst{31-28} = 0b1111;
3473 let Inst{3-0} = CRm;
3475 let Inst{7-5} = opc2;
3476 let Inst{11-8} = cop;
3477 let Inst{15-12} = CRd;
3478 let Inst{19-16} = CRn;
3479 let Inst{23-20} = opc1;
3482 class ACI<dag oops, dag iops, string opc, string asm,
3483 IndexMode im = IndexModeNone>
3484 : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
3485 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3486 let Inst{27-25} = 0b110;
3489 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3491 def _OFFSET : ACI<(outs),
3492 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3493 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3494 let Inst{31-28} = op31_28;
3495 let Inst{24} = 1; // P = 1
3496 let Inst{21} = 0; // W = 0
3497 let Inst{22} = 0; // D = 0
3498 let Inst{20} = load;
3501 def _PRE : ACI<(outs),
3502 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3503 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3504 let Inst{31-28} = op31_28;
3505 let Inst{24} = 1; // P = 1
3506 let Inst{21} = 1; // W = 1
3507 let Inst{22} = 0; // D = 0
3508 let Inst{20} = load;
3511 def _POST : ACI<(outs),
3512 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3513 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3514 let Inst{31-28} = op31_28;
3515 let Inst{24} = 0; // P = 0
3516 let Inst{21} = 1; // W = 1
3517 let Inst{22} = 0; // D = 0
3518 let Inst{20} = load;
3521 def _OPTION : ACI<(outs),
3522 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3524 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3525 let Inst{31-28} = op31_28;
3526 let Inst{24} = 0; // P = 0
3527 let Inst{23} = 1; // U = 1
3528 let Inst{21} = 0; // W = 0
3529 let Inst{22} = 0; // D = 0
3530 let Inst{20} = load;
3533 def L_OFFSET : ACI<(outs),
3534 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3535 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3536 let Inst{31-28} = op31_28;
3537 let Inst{24} = 1; // P = 1
3538 let Inst{21} = 0; // W = 0
3539 let Inst{22} = 1; // D = 1
3540 let Inst{20} = load;
3543 def L_PRE : ACI<(outs),
3544 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3545 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3547 let Inst{31-28} = op31_28;
3548 let Inst{24} = 1; // P = 1
3549 let Inst{21} = 1; // W = 1
3550 let Inst{22} = 1; // D = 1
3551 let Inst{20} = load;
3554 def L_POST : ACI<(outs),
3555 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3556 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3558 let Inst{31-28} = op31_28;
3559 let Inst{24} = 0; // P = 0
3560 let Inst{21} = 1; // W = 1
3561 let Inst{22} = 1; // D = 1
3562 let Inst{20} = load;
3565 def L_OPTION : ACI<(outs),
3566 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3568 !strconcat(!strconcat(opc, "l"), cond),
3569 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3570 let Inst{31-28} = op31_28;
3571 let Inst{24} = 0; // P = 0
3572 let Inst{23} = 1; // U = 1
3573 let Inst{21} = 0; // W = 0
3574 let Inst{22} = 1; // D = 1
3575 let Inst{20} = load;
3579 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3580 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3581 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3582 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3584 //===----------------------------------------------------------------------===//
3585 // Move between coprocessor and ARM core register -- for disassembly only
3588 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3590 : ABI<0b1110, oops, iops, NoItinerary, opc,
3591 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3592 let Inst{20} = direction;
3602 let Inst{15-12} = Rt;
3603 let Inst{11-8} = cop;
3604 let Inst{23-21} = opc1;
3605 let Inst{7-5} = opc2;
3606 let Inst{3-0} = CRm;
3607 let Inst{19-16} = CRn;
3610 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3612 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3613 c_imm:$CRm, i32imm:$opc2),
3614 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3615 imm:$CRm, imm:$opc2)]>;
3616 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3618 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3621 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3622 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3624 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3626 : ABXI<0b1110, oops, iops, NoItinerary,
3627 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3628 let Inst{31-28} = 0b1111;
3629 let Inst{20} = direction;
3639 let Inst{15-12} = Rt;
3640 let Inst{11-8} = cop;
3641 let Inst{23-21} = opc1;
3642 let Inst{7-5} = opc2;
3643 let Inst{3-0} = CRm;
3644 let Inst{19-16} = CRn;
3647 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3649 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3650 c_imm:$CRm, i32imm:$opc2),
3651 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3652 imm:$CRm, imm:$opc2)]>;
3653 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3655 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3658 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3659 imm:$CRm, imm:$opc2),
3660 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3662 class MovRRCopro<string opc, bit direction,
3663 list<dag> pattern = [/* For disassembly only */]>
3664 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3665 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3666 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3667 let Inst{23-21} = 0b010;
3668 let Inst{20} = direction;
3676 let Inst{15-12} = Rt;
3677 let Inst{19-16} = Rt2;
3678 let Inst{11-8} = cop;
3679 let Inst{7-4} = opc1;
3680 let Inst{3-0} = CRm;
3683 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3684 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3686 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3688 class MovRRCopro2<string opc, bit direction,
3689 list<dag> pattern = [/* For disassembly only */]>
3690 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3691 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3692 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3693 let Inst{31-28} = 0b1111;
3694 let Inst{23-21} = 0b010;
3695 let Inst{20} = direction;
3703 let Inst{15-12} = Rt;
3704 let Inst{19-16} = Rt2;
3705 let Inst{11-8} = cop;
3706 let Inst{7-4} = opc1;
3707 let Inst{3-0} = CRm;
3710 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3711 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3713 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3715 //===----------------------------------------------------------------------===//
3716 // Move between special register and ARM core register -- for disassembly only
3719 // Move to ARM core register from Special Register
3720 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3721 [/* For disassembly only; pattern left blank */]> {
3723 let Inst{23-16} = 0b00001111;
3724 let Inst{15-12} = Rd;
3725 let Inst{7-4} = 0b0000;
3728 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3729 [/* For disassembly only; pattern left blank */]> {
3731 let Inst{23-16} = 0b01001111;
3732 let Inst{15-12} = Rd;
3733 let Inst{7-4} = 0b0000;
3736 // Move from ARM core register to Special Register
3738 // No need to have both system and application versions, the encodings are the
3739 // same and the assembly parser has no way to distinguish between them. The mask
3740 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3741 // the mask with the fields to be accessed in the special register.
3742 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3743 "msr", "\t$mask, $Rn",
3744 [/* For disassembly only; pattern left blank */]> {
3749 let Inst{22} = mask{4}; // R bit
3750 let Inst{21-20} = 0b10;
3751 let Inst{19-16} = mask{3-0};
3752 let Inst{15-12} = 0b1111;
3753 let Inst{11-4} = 0b00000000;
3757 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3758 "msr", "\t$mask, $a",
3759 [/* For disassembly only; pattern left blank */]> {
3764 let Inst{22} = mask{4}; // R bit
3765 let Inst{21-20} = 0b10;
3766 let Inst{19-16} = mask{3-0};
3767 let Inst{15-12} = 0b1111;
3771 //===----------------------------------------------------------------------===//
3775 // __aeabi_read_tp preserves the registers r1-r3.
3776 // This is a pseudo inst so that we can get the encoding right,
3777 // complete with fixup for the aeabi_read_tp function.
3779 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3780 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3781 [(set R0, ARMthread_pointer)]>;
3784 //===----------------------------------------------------------------------===//
3785 // SJLJ Exception handling intrinsics
3786 // eh_sjlj_setjmp() is an instruction sequence to store the return
3787 // address and save #0 in R0 for the non-longjmp case.
3788 // Since by its nature we may be coming from some other function to get
3789 // here, and we're using the stack frame for the containing function to
3790 // save/restore registers, we can't keep anything live in regs across
3791 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3792 // when we get here from a longjmp(). We force everything out of registers
3793 // except for our own input by listing the relevant registers in Defs. By
3794 // doing so, we also cause the prologue/epilogue code to actively preserve
3795 // all of the callee-saved resgisters, which is exactly what we want.
3796 // A constant value is passed in $val, and we use the location as a scratch.
3798 // These are pseudo-instructions and are lowered to individual MC-insts, so
3799 // no encoding information is necessary.
3801 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
3802 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
3803 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3805 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3806 Requires<[IsARM, HasVFP2]>;
3810 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
3811 hasSideEffects = 1, isBarrier = 1 in {
3812 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3814 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3815 Requires<[IsARM, NoVFP]>;
3818 // FIXME: Non-Darwin version(s)
3819 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3820 Defs = [ R7, LR, SP ] in {
3821 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3823 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3824 Requires<[IsARM, IsDarwin]>;
3827 // eh.sjlj.dispatchsetup pseudo-instruction.
3828 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3829 // handled when the pseudo is expanded (which happens before any passes
3830 // that need the instruction size).
3831 let isBarrier = 1, hasSideEffects = 1 in
3832 def Int_eh_sjlj_dispatchsetup :
3833 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3834 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3835 Requires<[IsDarwin]>;
3837 //===----------------------------------------------------------------------===//
3838 // Non-Instruction Patterns
3841 // Large immediate handling.
3843 // 32-bit immediate using two piece so_imms or movw + movt.
3844 // This is a single pseudo instruction, the benefit is that it can be remat'd
3845 // as a single unit instead of having to handle reg inputs.
3846 // FIXME: Remove this when we can do generalized remat.
3847 let isReMaterializable = 1, isMoveImm = 1 in
3848 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3849 [(set GPR:$dst, (arm_i32imm:$src))]>,
3852 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3853 // It also makes it possible to rematerialize the instructions.
3854 // FIXME: Remove this when we can do generalized remat and when machine licm
3855 // can properly the instructions.
3856 let isReMaterializable = 1 in {
3857 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3859 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3860 Requires<[IsARM, UseMovt]>;
3862 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3864 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3865 Requires<[IsARM, UseMovt]>;
3867 let AddedComplexity = 10 in
3868 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3870 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3871 Requires<[IsARM, UseMovt]>;
3872 } // isReMaterializable
3874 // ConstantPool, GlobalAddress, and JumpTable
3875 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3876 Requires<[IsARM, DontUseMovt]>;
3877 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3878 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3879 Requires<[IsARM, UseMovt]>;
3880 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3881 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3883 // TODO: add,sub,and, 3-instr forms?
3886 def : ARMPat<(ARMtcret tcGPR:$dst),
3887 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3889 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3890 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3892 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3893 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3895 def : ARMPat<(ARMtcret tcGPR:$dst),
3896 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3898 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3899 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3901 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3902 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3905 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3906 Requires<[IsARM, IsNotDarwin]>;
3907 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3908 Requires<[IsARM, IsDarwin]>;
3910 // zextload i1 -> zextload i8
3911 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3912 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3914 // extload -> zextload
3915 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3916 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3917 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3918 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3920 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3922 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3923 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3926 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3927 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3928 (SMULBB GPR:$a, GPR:$b)>;
3929 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3930 (SMULBB GPR:$a, GPR:$b)>;
3931 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3932 (sra GPR:$b, (i32 16))),
3933 (SMULBT GPR:$a, GPR:$b)>;
3934 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3935 (SMULBT GPR:$a, GPR:$b)>;
3936 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3937 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3938 (SMULTB GPR:$a, GPR:$b)>;
3939 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3940 (SMULTB GPR:$a, GPR:$b)>;
3941 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3943 (SMULWB GPR:$a, GPR:$b)>;
3944 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3945 (SMULWB GPR:$a, GPR:$b)>;
3947 def : ARMV5TEPat<(add GPR:$acc,
3948 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3949 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3950 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3951 def : ARMV5TEPat<(add GPR:$acc,
3952 (mul sext_16_node:$a, sext_16_node:$b)),
3953 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3954 def : ARMV5TEPat<(add GPR:$acc,
3955 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3956 (sra GPR:$b, (i32 16)))),
3957 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3958 def : ARMV5TEPat<(add GPR:$acc,
3959 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3960 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3961 def : ARMV5TEPat<(add GPR:$acc,
3962 (mul (sra GPR:$a, (i32 16)),
3963 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3964 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3965 def : ARMV5TEPat<(add GPR:$acc,
3966 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3967 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3968 def : ARMV5TEPat<(add GPR:$acc,
3969 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3971 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3972 def : ARMV5TEPat<(add GPR:$acc,
3973 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3974 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3977 // Pre-v7 uses MCR for synchronization barriers.
3978 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3979 Requires<[IsARM, HasV6]>;
3982 //===----------------------------------------------------------------------===//
3986 include "ARMInstrThumb.td"
3988 //===----------------------------------------------------------------------===//
3992 include "ARMInstrThumb2.td"
3994 //===----------------------------------------------------------------------===//
3995 // Floating Point Support
3998 include "ARMInstrVFP.td"
4000 //===----------------------------------------------------------------------===//
4001 // Advanced SIMD (NEON) Support
4004 include "ARMInstrNEON.td"