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";
439 // Break so_imm's up into two pieces. This handles immediates with up to 16
440 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
441 // get the first/second pieces.
442 def so_imm2part : PatLeaf<(imm), [{
443 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
446 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
448 def arm_i32imm : PatLeaf<(imm), [{
449 if (Subtarget->hasV6T2Ops())
451 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
454 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
455 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
456 return Imm >= 0 && Imm < 32;
459 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
460 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
461 return Imm >= 0 && Imm < 32;
463 let EncoderMethod = "getImmMinusOneOpValue";
466 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
467 // The imm is split into imm{15-12}, imm{11-0}
469 def i32imm_hilo16 : Operand<i32> {
470 let EncoderMethod = "getHiLo16ImmOpValue";
473 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
475 def bf_inv_mask_imm : Operand<i32>,
477 return ARM::isBitFieldInvertedMask(N->getZExtValue());
479 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
480 let PrintMethod = "printBitfieldInvMaskImmOperand";
483 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
484 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
485 return isInt<5>(Imm);
488 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
489 def width_imm : Operand<i32>, ImmLeaf<i32, [{
490 return Imm > 0 && Imm <= 32;
492 let EncoderMethod = "getMsbOpValue";
495 def ssat_imm : Operand<i32>, ImmLeaf<i32, [{
496 return Imm > 0 && Imm <= 32;
498 let EncoderMethod = "getSsatBitPosValue";
501 // Define ARM specific addressing modes.
503 def MemMode2AsmOperand : AsmOperandClass {
504 let Name = "MemMode2";
505 let SuperClasses = [];
506 let ParserMethod = "tryParseMemMode2Operand";
509 def MemMode3AsmOperand : AsmOperandClass {
510 let Name = "MemMode3";
511 let SuperClasses = [];
512 let ParserMethod = "tryParseMemMode3Operand";
515 // addrmode_imm12 := reg +/- imm12
517 def addrmode_imm12 : Operand<i32>,
518 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
519 // 12-bit immediate operand. Note that instructions using this encode
520 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
521 // immediate values are as normal.
523 let EncoderMethod = "getAddrModeImm12OpValue";
524 let PrintMethod = "printAddrModeImm12Operand";
525 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
527 // ldst_so_reg := reg +/- reg shop imm
529 def ldst_so_reg : Operand<i32>,
530 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
531 let EncoderMethod = "getLdStSORegOpValue";
532 // FIXME: Simplify the printer
533 let PrintMethod = "printAddrMode2Operand";
534 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
537 // addrmode2 := reg +/- imm12
538 // := reg +/- reg shop imm
540 def addrmode2 : Operand<i32>,
541 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
542 let EncoderMethod = "getAddrMode2OpValue";
543 let PrintMethod = "printAddrMode2Operand";
544 let ParserMatchClass = MemMode2AsmOperand;
545 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
548 def am2offset : Operand<i32>,
549 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
550 [], [SDNPWantRoot]> {
551 let EncoderMethod = "getAddrMode2OffsetOpValue";
552 let PrintMethod = "printAddrMode2OffsetOperand";
553 let MIOperandInfo = (ops GPR, i32imm);
556 // addrmode3 := reg +/- reg
557 // addrmode3 := reg +/- imm8
559 def addrmode3 : Operand<i32>,
560 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
561 let EncoderMethod = "getAddrMode3OpValue";
562 let PrintMethod = "printAddrMode3Operand";
563 let ParserMatchClass = MemMode3AsmOperand;
564 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
567 def am3offset : Operand<i32>,
568 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
569 [], [SDNPWantRoot]> {
570 let EncoderMethod = "getAddrMode3OffsetOpValue";
571 let PrintMethod = "printAddrMode3OffsetOperand";
572 let MIOperandInfo = (ops GPR, i32imm);
575 // ldstm_mode := {ia, ib, da, db}
577 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
578 let EncoderMethod = "getLdStmModeOpValue";
579 let PrintMethod = "printLdStmModeOperand";
582 def MemMode5AsmOperand : AsmOperandClass {
583 let Name = "MemMode5";
584 let SuperClasses = [];
587 // addrmode5 := reg +/- imm8*4
589 def addrmode5 : Operand<i32>,
590 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
591 let PrintMethod = "printAddrMode5Operand";
592 let MIOperandInfo = (ops GPR:$base, i32imm);
593 let ParserMatchClass = MemMode5AsmOperand;
594 let EncoderMethod = "getAddrMode5OpValue";
597 // addrmode6 := reg with optional alignment
599 def addrmode6 : Operand<i32>,
600 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
601 let PrintMethod = "printAddrMode6Operand";
602 let MIOperandInfo = (ops GPR:$addr, i32imm);
603 let EncoderMethod = "getAddrMode6AddressOpValue";
606 def am6offset : Operand<i32>,
607 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
608 [], [SDNPWantRoot]> {
609 let PrintMethod = "printAddrMode6OffsetOperand";
610 let MIOperandInfo = (ops GPR);
611 let EncoderMethod = "getAddrMode6OffsetOpValue";
614 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
615 // (single element from one lane) for size 32.
616 def addrmode6oneL32 : Operand<i32>,
617 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
618 let PrintMethod = "printAddrMode6Operand";
619 let MIOperandInfo = (ops GPR:$addr, i32imm);
620 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
623 // Special version of addrmode6 to handle alignment encoding for VLD-dup
624 // instructions, specifically VLD4-dup.
625 def addrmode6dup : Operand<i32>,
626 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
627 let PrintMethod = "printAddrMode6Operand";
628 let MIOperandInfo = (ops GPR:$addr, i32imm);
629 let EncoderMethod = "getAddrMode6DupAddressOpValue";
632 // addrmodepc := pc + reg
634 def addrmodepc : Operand<i32>,
635 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
636 let PrintMethod = "printAddrModePCOperand";
637 let MIOperandInfo = (ops GPR, i32imm);
640 def MemMode7AsmOperand : AsmOperandClass {
641 let Name = "MemMode7";
642 let SuperClasses = [];
646 // Used by load/store exclusive instructions. Useful to enable right assembly
647 // parsing and printing. Not used for any codegen matching.
649 def addrmode7 : Operand<i32> {
650 let PrintMethod = "printAddrMode7Operand";
651 let MIOperandInfo = (ops GPR);
652 let ParserMatchClass = MemMode7AsmOperand;
655 def nohash_imm : Operand<i32> {
656 let PrintMethod = "printNoHashImmediate";
659 def CoprocNumAsmOperand : AsmOperandClass {
660 let Name = "CoprocNum";
661 let SuperClasses = [];
662 let ParserMethod = "tryParseCoprocNumOperand";
665 def CoprocRegAsmOperand : AsmOperandClass {
666 let Name = "CoprocReg";
667 let SuperClasses = [];
668 let ParserMethod = "tryParseCoprocRegOperand";
671 def p_imm : Operand<i32> {
672 let PrintMethod = "printPImmediate";
673 let ParserMatchClass = CoprocNumAsmOperand;
676 def c_imm : Operand<i32> {
677 let PrintMethod = "printCImmediate";
678 let ParserMatchClass = CoprocRegAsmOperand;
681 //===----------------------------------------------------------------------===//
683 include "ARMInstrFormats.td"
685 //===----------------------------------------------------------------------===//
686 // Multiclass helpers...
689 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
690 /// binop that produces a value.
691 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
692 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
693 PatFrag opnode, string baseOpc, bit Commutable = 0> {
694 // The register-immediate version is re-materializable. This is useful
695 // in particular for taking the address of a local.
696 let isReMaterializable = 1 in {
697 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
698 iii, opc, "\t$Rd, $Rn, $imm",
699 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
704 let Inst{19-16} = Rn;
705 let Inst{15-12} = Rd;
706 let Inst{11-0} = imm;
709 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
710 iir, opc, "\t$Rd, $Rn, $Rm",
711 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
716 let isCommutable = Commutable;
717 let Inst{19-16} = Rn;
718 let Inst{15-12} = Rd;
719 let Inst{11-4} = 0b00000000;
722 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
723 iis, opc, "\t$Rd, $Rn, $shift",
724 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
729 let Inst{19-16} = Rn;
730 let Inst{15-12} = Rd;
731 let Inst{11-0} = shift;
734 // Assembly aliases for optional destination operand when it's the same
735 // as the source operand.
736 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
737 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
738 so_imm:$imm, pred:$p,
741 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
742 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
746 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
747 (!cast<Instruction>(!strconcat(baseOpc, "rs")) GPR:$Rdn, GPR:$Rdn,
748 so_reg:$shift, pred:$p,
753 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
754 /// instruction modifies the CPSR register.
755 let isCodeGenOnly = 1, Defs = [CPSR] in {
756 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
757 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
758 PatFrag opnode, bit Commutable = 0> {
759 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
760 iii, opc, "\t$Rd, $Rn, $imm",
761 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
767 let Inst{19-16} = Rn;
768 let Inst{15-12} = Rd;
769 let Inst{11-0} = imm;
771 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
772 iir, opc, "\t$Rd, $Rn, $Rm",
773 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
777 let isCommutable = Commutable;
780 let Inst{19-16} = Rn;
781 let Inst{15-12} = Rd;
782 let Inst{11-4} = 0b00000000;
785 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
786 iis, opc, "\t$Rd, $Rn, $shift",
787 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
793 let Inst{19-16} = Rn;
794 let Inst{15-12} = Rd;
795 let Inst{11-0} = shift;
800 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
801 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
802 /// a explicit result, only implicitly set CPSR.
803 let isCompare = 1, Defs = [CPSR] in {
804 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
805 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
806 PatFrag opnode, bit Commutable = 0> {
807 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
809 [(opnode GPR:$Rn, so_imm:$imm)]> {
814 let Inst{19-16} = Rn;
815 let Inst{15-12} = 0b0000;
816 let Inst{11-0} = imm;
818 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
820 [(opnode GPR:$Rn, GPR:$Rm)]> {
823 let isCommutable = Commutable;
826 let Inst{19-16} = Rn;
827 let Inst{15-12} = 0b0000;
828 let Inst{11-4} = 0b00000000;
831 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
832 opc, "\t$Rn, $shift",
833 [(opnode GPR:$Rn, so_reg:$shift)]> {
838 let Inst{19-16} = Rn;
839 let Inst{15-12} = 0b0000;
840 let Inst{11-0} = shift;
845 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
846 /// register and one whose operand is a register rotated by 8/16/24.
847 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
848 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
849 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
850 IIC_iEXTr, opc, "\t$Rd, $Rm",
851 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
852 Requires<[IsARM, HasV6]> {
855 let Inst{19-16} = 0b1111;
856 let Inst{15-12} = Rd;
857 let Inst{11-10} = 0b00;
860 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
861 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
862 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
863 Requires<[IsARM, HasV6]> {
867 let Inst{19-16} = 0b1111;
868 let Inst{15-12} = Rd;
869 let Inst{11-10} = rot;
874 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
875 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
876 IIC_iEXTr, opc, "\t$Rd, $Rm",
877 [/* For disassembly only; pattern left blank */]>,
878 Requires<[IsARM, HasV6]> {
879 let Inst{19-16} = 0b1111;
880 let Inst{11-10} = 0b00;
882 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
883 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
884 [/* For disassembly only; pattern left blank */]>,
885 Requires<[IsARM, HasV6]> {
887 let Inst{19-16} = 0b1111;
888 let Inst{11-10} = rot;
892 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
893 /// register and one whose operand is a register rotated by 8/16/24.
894 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
895 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
896 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
897 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
898 Requires<[IsARM, HasV6]> {
902 let Inst{19-16} = Rn;
903 let Inst{15-12} = Rd;
904 let Inst{11-10} = 0b00;
905 let Inst{9-4} = 0b000111;
908 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
910 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
911 [(set GPR:$Rd, (opnode GPR:$Rn,
912 (rotr GPR:$Rm, rot_imm:$rot)))]>,
913 Requires<[IsARM, HasV6]> {
918 let Inst{19-16} = Rn;
919 let Inst{15-12} = Rd;
920 let Inst{11-10} = rot;
921 let Inst{9-4} = 0b000111;
926 // For disassembly only.
927 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
928 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
929 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
930 [/* For disassembly only; pattern left blank */]>,
931 Requires<[IsARM, HasV6]> {
932 let Inst{11-10} = 0b00;
934 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
936 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
937 [/* For disassembly only; pattern left blank */]>,
938 Requires<[IsARM, HasV6]> {
941 let Inst{19-16} = Rn;
942 let Inst{11-10} = rot;
946 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
947 let Uses = [CPSR] in {
948 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
949 bit Commutable = 0> {
950 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
951 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
952 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
958 let Inst{15-12} = Rd;
959 let Inst{19-16} = Rn;
960 let Inst{11-0} = imm;
962 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
963 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
964 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
969 let Inst{11-4} = 0b00000000;
971 let isCommutable = Commutable;
973 let Inst{15-12} = Rd;
974 let Inst{19-16} = Rn;
976 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
977 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
978 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
984 let Inst{11-0} = shift;
985 let Inst{15-12} = Rd;
986 let Inst{19-16} = Rn;
991 // Carry setting variants
992 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
993 let usesCustomInserter = 1 in {
994 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
995 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
996 Size4Bytes, IIC_iALUi,
997 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
998 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
999 Size4Bytes, IIC_iALUr,
1000 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1001 let isCommutable = Commutable;
1003 def rs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1004 Size4Bytes, IIC_iALUsr,
1005 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
1009 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1010 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1011 InstrItinClass iir, PatFrag opnode> {
1012 // Note: We use the complex addrmode_imm12 rather than just an input
1013 // GPR and a constrained immediate so that we can use this to match
1014 // frame index references and avoid matching constant pool references.
1015 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1016 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1017 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1020 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1021 let Inst{19-16} = addr{16-13}; // Rn
1022 let Inst{15-12} = Rt;
1023 let Inst{11-0} = addr{11-0}; // imm12
1025 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1026 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1027 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1030 let shift{4} = 0; // Inst{4} = 0
1031 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1032 let Inst{19-16} = shift{16-13}; // Rn
1033 let Inst{15-12} = Rt;
1034 let Inst{11-0} = shift{11-0};
1039 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1040 InstrItinClass iir, PatFrag opnode> {
1041 // Note: We use the complex addrmode_imm12 rather than just an input
1042 // GPR and a constrained immediate so that we can use this to match
1043 // frame index references and avoid matching constant pool references.
1044 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1045 (ins GPR:$Rt, addrmode_imm12:$addr),
1046 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1047 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1050 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1051 let Inst{19-16} = addr{16-13}; // Rn
1052 let Inst{15-12} = Rt;
1053 let Inst{11-0} = addr{11-0}; // imm12
1055 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1056 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1057 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1060 let shift{4} = 0; // Inst{4} = 0
1061 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1062 let Inst{19-16} = shift{16-13}; // Rn
1063 let Inst{15-12} = Rt;
1064 let Inst{11-0} = shift{11-0};
1067 //===----------------------------------------------------------------------===//
1069 //===----------------------------------------------------------------------===//
1071 //===----------------------------------------------------------------------===//
1072 // Miscellaneous Instructions.
1075 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1076 /// the function. The first operand is the ID# for this instruction, the second
1077 /// is the index into the MachineConstantPool that this is, the third is the
1078 /// size in bytes of this constant pool entry.
1079 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1080 def CONSTPOOL_ENTRY :
1081 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1082 i32imm:$size), NoItinerary, []>;
1084 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1085 // from removing one half of the matched pairs. That breaks PEI, which assumes
1086 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1087 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1088 def ADJCALLSTACKUP :
1089 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1090 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1092 def ADJCALLSTACKDOWN :
1093 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1094 [(ARMcallseq_start timm:$amt)]>;
1097 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1098 [/* For disassembly only; pattern left blank */]>,
1099 Requires<[IsARM, HasV6T2]> {
1100 let Inst{27-16} = 0b001100100000;
1101 let Inst{15-8} = 0b11110000;
1102 let Inst{7-0} = 0b00000000;
1105 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1106 [/* For disassembly only; pattern left blank */]>,
1107 Requires<[IsARM, HasV6T2]> {
1108 let Inst{27-16} = 0b001100100000;
1109 let Inst{15-8} = 0b11110000;
1110 let Inst{7-0} = 0b00000001;
1113 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1114 [/* For disassembly only; pattern left blank */]>,
1115 Requires<[IsARM, HasV6T2]> {
1116 let Inst{27-16} = 0b001100100000;
1117 let Inst{15-8} = 0b11110000;
1118 let Inst{7-0} = 0b00000010;
1121 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1122 [/* For disassembly only; pattern left blank */]>,
1123 Requires<[IsARM, HasV6T2]> {
1124 let Inst{27-16} = 0b001100100000;
1125 let Inst{15-8} = 0b11110000;
1126 let Inst{7-0} = 0b00000011;
1129 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1131 [/* For disassembly only; pattern left blank */]>,
1132 Requires<[IsARM, HasV6]> {
1137 let Inst{15-12} = Rd;
1138 let Inst{19-16} = Rn;
1139 let Inst{27-20} = 0b01101000;
1140 let Inst{7-4} = 0b1011;
1141 let Inst{11-8} = 0b1111;
1144 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1145 [/* For disassembly only; pattern left blank */]>,
1146 Requires<[IsARM, HasV6T2]> {
1147 let Inst{27-16} = 0b001100100000;
1148 let Inst{15-8} = 0b11110000;
1149 let Inst{7-0} = 0b00000100;
1152 // The i32imm operand $val can be used by a debugger to store more information
1153 // about the breakpoint.
1154 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1155 [/* For disassembly only; pattern left blank */]>,
1158 let Inst{3-0} = val{3-0};
1159 let Inst{19-8} = val{15-4};
1160 let Inst{27-20} = 0b00010010;
1161 let Inst{7-4} = 0b0111;
1164 // Change Processor State is a system instruction -- for disassembly and
1166 // FIXME: Since the asm parser has currently no clean way to handle optional
1167 // operands, create 3 versions of the same instruction. Once there's a clean
1168 // framework to represent optional operands, change this behavior.
1169 class CPS<dag iops, string asm_ops>
1170 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1171 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1177 let Inst{31-28} = 0b1111;
1178 let Inst{27-20} = 0b00010000;
1179 let Inst{19-18} = imod;
1180 let Inst{17} = M; // Enabled if mode is set;
1182 let Inst{8-6} = iflags;
1184 let Inst{4-0} = mode;
1188 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1189 "$imod\t$iflags, $mode">;
1190 let mode = 0, M = 0 in
1191 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1193 let imod = 0, iflags = 0, M = 1 in
1194 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1196 // Preload signals the memory system of possible future data/instruction access.
1197 // These are for disassembly only.
1198 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1200 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1201 !strconcat(opc, "\t$addr"),
1202 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1205 let Inst{31-26} = 0b111101;
1206 let Inst{25} = 0; // 0 for immediate form
1207 let Inst{24} = data;
1208 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1209 let Inst{22} = read;
1210 let Inst{21-20} = 0b01;
1211 let Inst{19-16} = addr{16-13}; // Rn
1212 let Inst{15-12} = 0b1111;
1213 let Inst{11-0} = addr{11-0}; // imm12
1216 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1217 !strconcat(opc, "\t$shift"),
1218 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1220 let Inst{31-26} = 0b111101;
1221 let Inst{25} = 1; // 1 for register form
1222 let Inst{24} = data;
1223 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1224 let Inst{22} = read;
1225 let Inst{21-20} = 0b01;
1226 let Inst{19-16} = shift{16-13}; // Rn
1227 let Inst{15-12} = 0b1111;
1228 let Inst{11-0} = shift{11-0};
1232 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1233 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1234 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1236 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1238 [/* For disassembly only; pattern left blank */]>,
1241 let Inst{31-10} = 0b1111000100000001000000;
1246 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1247 [/* For disassembly only; pattern left blank */]>,
1248 Requires<[IsARM, HasV7]> {
1250 let Inst{27-4} = 0b001100100000111100001111;
1251 let Inst{3-0} = opt;
1254 // A5.4 Permanently UNDEFINED instructions.
1255 let isBarrier = 1, isTerminator = 1 in
1256 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1259 let Inst = 0xe7ffdefe;
1262 // Address computation and loads and stores in PIC mode.
1263 let isNotDuplicable = 1 in {
1264 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1265 Size4Bytes, IIC_iALUr,
1266 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1268 let AddedComplexity = 10 in {
1269 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1270 Size4Bytes, IIC_iLoad_r,
1271 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1273 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1274 Size4Bytes, IIC_iLoad_bh_r,
1275 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1277 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1278 Size4Bytes, IIC_iLoad_bh_r,
1279 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1281 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1282 Size4Bytes, IIC_iLoad_bh_r,
1283 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1285 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1286 Size4Bytes, IIC_iLoad_bh_r,
1287 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1289 let AddedComplexity = 10 in {
1290 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1291 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1293 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1294 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1295 addrmodepc:$addr)]>;
1297 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1298 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1300 } // isNotDuplicable = 1
1303 // LEApcrel - Load a pc-relative address into a register without offending the
1305 let neverHasSideEffects = 1, isReMaterializable = 1 in
1306 // The 'adr' mnemonic encodes differently if the label is before or after
1307 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1308 // know until then which form of the instruction will be used.
1309 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1310 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1313 let Inst{27-25} = 0b001;
1315 let Inst{19-16} = 0b1111;
1316 let Inst{15-12} = Rd;
1317 let Inst{11-0} = label;
1319 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1320 Size4Bytes, IIC_iALUi, []>;
1322 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1323 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1324 Size4Bytes, IIC_iALUi, []>;
1326 //===----------------------------------------------------------------------===//
1327 // Control Flow Instructions.
1330 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1332 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1333 "bx", "\tlr", [(ARMretflag)]>,
1334 Requires<[IsARM, HasV4T]> {
1335 let Inst{27-0} = 0b0001001011111111111100011110;
1339 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1340 "mov", "\tpc, lr", [(ARMretflag)]>,
1341 Requires<[IsARM, NoV4T]> {
1342 let Inst{27-0} = 0b0001101000001111000000001110;
1346 // Indirect branches
1347 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1349 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1350 [(brind GPR:$dst)]>,
1351 Requires<[IsARM, HasV4T]> {
1353 let Inst{31-4} = 0b1110000100101111111111110001;
1354 let Inst{3-0} = dst;
1357 // For disassembly only.
1358 def BX_pred : AXI<(outs), (ins GPR:$dst, pred:$p), BrMiscFrm, IIC_Br,
1359 "bx$p\t$dst", [/* pattern left blank */]>,
1360 Requires<[IsARM, HasV4T]> {
1362 let Inst{27-4} = 0b000100101111111111110001;
1363 let Inst{3-0} = dst;
1367 // All calls clobber the non-callee saved registers. SP is marked as
1368 // a use to prevent stack-pointer assignments that appear immediately
1369 // before calls from potentially appearing dead.
1371 // On non-Darwin platforms R9 is callee-saved.
1372 // FIXME: Do we really need a non-predicated version? If so, it should
1373 // at least be a pseudo instruction expanding to the predicated version
1374 // at MC lowering time.
1375 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1377 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1378 IIC_Br, "bl\t$func",
1379 [(ARMcall tglobaladdr:$func)]>,
1380 Requires<[IsARM, IsNotDarwin]> {
1381 let Inst{31-28} = 0b1110;
1383 let Inst{23-0} = func;
1386 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1387 IIC_Br, "bl", "\t$func",
1388 [(ARMcall_pred tglobaladdr:$func)]>,
1389 Requires<[IsARM, IsNotDarwin]> {
1391 let Inst{23-0} = func;
1395 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1396 IIC_Br, "blx\t$func",
1397 [(ARMcall GPR:$func)]>,
1398 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1400 let Inst{31-4} = 0b1110000100101111111111110011;
1401 let Inst{3-0} = func;
1404 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1405 IIC_Br, "blx", "\t$func",
1406 [(ARMcall_pred GPR:$func)]>,
1407 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1409 let Inst{27-4} = 0b000100101111111111110011;
1410 let Inst{3-0} = func;
1414 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1415 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1416 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1417 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1420 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1421 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1422 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1426 // On Darwin R9 is call-clobbered.
1427 // R7 is marked as a use to prevent frame-pointer assignments from being
1428 // moved above / below calls.
1429 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1430 Uses = [R7, SP] in {
1431 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1433 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1434 Requires<[IsARM, IsDarwin]>;
1436 def BLr9_pred : ARMPseudoExpand<(outs),
1437 (ins bl_target:$func, pred:$p, variable_ops),
1439 [(ARMcall_pred tglobaladdr:$func)],
1440 (BL_pred bl_target:$func, pred:$p)>,
1441 Requires<[IsARM, IsDarwin]>;
1444 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1446 [(ARMcall GPR:$func)],
1448 Requires<[IsARM, HasV5T, IsDarwin]>;
1450 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1452 [(ARMcall_pred GPR:$func)],
1453 (BLX_pred GPR:$func, pred:$p)>,
1454 Requires<[IsARM, HasV5T, IsDarwin]>;
1457 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1458 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1459 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1460 Requires<[IsARM, HasV4T, IsDarwin]>;
1463 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1464 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1465 Requires<[IsARM, NoV4T, IsDarwin]>;
1468 let isBranch = 1, isTerminator = 1 in {
1469 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1470 // a two-value operand where a dag node expects two operands. :(
1471 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1472 IIC_Br, "b", "\t$target",
1473 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1475 let Inst{23-0} = target;
1478 let isBarrier = 1 in {
1479 // B is "predicable" since it's just a Bcc with an 'always' condition.
1480 let isPredicable = 1 in
1481 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1482 // should be sufficient.
1483 // FIXME: Is B really a Barrier? That doesn't seem right.
1484 def B : ARMPseudoExpand<(outs), (ins br_target:$target), Size4Bytes, IIC_Br,
1485 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1487 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1488 def BR_JTr : ARMPseudoInst<(outs),
1489 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1490 SizeSpecial, IIC_Br,
1491 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1492 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1493 // into i12 and rs suffixed versions.
1494 def BR_JTm : ARMPseudoInst<(outs),
1495 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1496 SizeSpecial, IIC_Br,
1497 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1499 def BR_JTadd : ARMPseudoInst<(outs),
1500 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1501 SizeSpecial, IIC_Br,
1502 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1504 } // isNotDuplicable = 1, isIndirectBranch = 1
1509 // BLX (immediate) -- for disassembly only
1510 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1511 "blx\t$target", [/* pattern left blank */]>,
1512 Requires<[IsARM, HasV5T]> {
1513 let Inst{31-25} = 0b1111101;
1515 let Inst{23-0} = target{24-1};
1516 let Inst{24} = target{0};
1519 // Branch and Exchange Jazelle -- for disassembly only
1520 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1521 [/* For disassembly only; pattern left blank */]> {
1522 let Inst{23-20} = 0b0010;
1523 //let Inst{19-8} = 0xfff;
1524 let Inst{7-4} = 0b0010;
1529 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1531 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1533 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1534 IIC_Br, []>, Requires<[IsDarwin]>;
1536 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1537 IIC_Br, []>, Requires<[IsDarwin]>;
1539 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1540 Size4Bytes, IIC_Br, [],
1541 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1542 Requires<[IsARM, IsDarwin]>;
1544 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1545 Size4Bytes, IIC_Br, [],
1547 Requires<[IsARM, IsDarwin]>;
1551 // Non-Darwin versions (the difference is R9).
1552 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1554 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1555 IIC_Br, []>, Requires<[IsNotDarwin]>;
1557 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1558 IIC_Br, []>, Requires<[IsNotDarwin]>;
1560 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1561 Size4Bytes, IIC_Br, [],
1562 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1563 Requires<[IsARM, IsNotDarwin]>;
1565 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1566 Size4Bytes, IIC_Br, [],
1568 Requires<[IsARM, IsNotDarwin]>;
1576 // Secure Monitor Call is a system instruction -- for disassembly only
1577 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1578 [/* For disassembly only; pattern left blank */]> {
1580 let Inst{23-4} = 0b01100000000000000111;
1581 let Inst{3-0} = opt;
1584 // Supervisor Call (Software Interrupt) -- for disassembly only
1585 let isCall = 1, Uses = [SP] in {
1586 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1587 [/* For disassembly only; pattern left blank */]> {
1589 let Inst{23-0} = svc;
1592 def : MnemonicAlias<"swi", "svc">;
1594 // Store Return State is a system instruction -- for disassembly only
1595 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1596 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1597 NoItinerary, "srs${amode}\tsp!, $mode",
1598 [/* For disassembly only; pattern left blank */]> {
1599 let Inst{31-28} = 0b1111;
1600 let Inst{22-20} = 0b110; // W = 1
1601 let Inst{19-8} = 0xd05;
1602 let Inst{7-5} = 0b000;
1605 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1606 NoItinerary, "srs${amode}\tsp, $mode",
1607 [/* For disassembly only; pattern left blank */]> {
1608 let Inst{31-28} = 0b1111;
1609 let Inst{22-20} = 0b100; // W = 0
1610 let Inst{19-8} = 0xd05;
1611 let Inst{7-5} = 0b000;
1614 // Return From Exception is a system instruction -- for disassembly only
1615 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1616 NoItinerary, "rfe${amode}\t$base!",
1617 [/* For disassembly only; pattern left blank */]> {
1618 let Inst{31-28} = 0b1111;
1619 let Inst{22-20} = 0b011; // W = 1
1620 let Inst{15-0} = 0x0a00;
1623 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1624 NoItinerary, "rfe${amode}\t$base",
1625 [/* For disassembly only; pattern left blank */]> {
1626 let Inst{31-28} = 0b1111;
1627 let Inst{22-20} = 0b001; // W = 0
1628 let Inst{15-0} = 0x0a00;
1630 } // isCodeGenOnly = 1
1632 //===----------------------------------------------------------------------===//
1633 // Load / store Instructions.
1639 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1640 UnOpFrag<(load node:$Src)>>;
1641 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1642 UnOpFrag<(zextloadi8 node:$Src)>>;
1643 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1644 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1645 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1646 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1648 // Special LDR for loads from non-pc-relative constpools.
1649 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1650 isReMaterializable = 1 in
1651 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1652 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1656 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1657 let Inst{19-16} = 0b1111;
1658 let Inst{15-12} = Rt;
1659 let Inst{11-0} = addr{11-0}; // imm12
1662 // Loads with zero extension
1663 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1664 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1665 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1667 // Loads with sign extension
1668 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1669 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1670 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1672 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1673 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1674 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1676 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1678 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1679 (ins addrmode3:$addr), LdMiscFrm,
1680 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1681 []>, Requires<[IsARM, HasV5TE]>;
1685 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1686 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1687 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1688 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1690 // {13} 1 == Rm, 0 == imm12
1694 let Inst{25} = addr{13};
1695 let Inst{23} = addr{12};
1696 let Inst{19-16} = addr{17-14};
1697 let Inst{11-0} = addr{11-0};
1698 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1700 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1701 (ins GPR:$Rn, am2offset:$offset),
1702 IndexModePost, LdFrm, itin,
1703 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1704 // {13} 1 == Rm, 0 == imm12
1709 let Inst{25} = offset{13};
1710 let Inst{23} = offset{12};
1711 let Inst{19-16} = Rn;
1712 let Inst{11-0} = offset{11-0};
1716 let mayLoad = 1, neverHasSideEffects = 1 in {
1717 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1718 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1721 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1722 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1723 (ins addrmode3:$addr), IndexModePre,
1725 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1727 let Inst{23} = addr{8}; // U bit
1728 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1729 let Inst{19-16} = addr{12-9}; // Rn
1730 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1731 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1733 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1734 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1736 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1739 let Inst{23} = offset{8}; // U bit
1740 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1741 let Inst{19-16} = Rn;
1742 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1743 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1747 let mayLoad = 1, neverHasSideEffects = 1 in {
1748 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1749 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1750 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1751 let hasExtraDefRegAllocReq = 1 in {
1752 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1753 (ins addrmode3:$addr), IndexModePre,
1754 LdMiscFrm, IIC_iLoad_d_ru,
1755 "ldrd", "\t$Rt, $Rt2, $addr!",
1756 "$addr.base = $Rn_wb", []> {
1758 let Inst{23} = addr{8}; // U bit
1759 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1760 let Inst{19-16} = addr{12-9}; // Rn
1761 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1762 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1764 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1765 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1766 LdMiscFrm, IIC_iLoad_d_ru,
1767 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1768 "$Rn = $Rn_wb", []> {
1771 let Inst{23} = offset{8}; // U bit
1772 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1773 let Inst{19-16} = Rn;
1774 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1775 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1777 } // hasExtraDefRegAllocReq = 1
1778 } // mayLoad = 1, neverHasSideEffects = 1
1780 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1781 let mayLoad = 1, neverHasSideEffects = 1 in {
1782 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1783 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1784 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1786 // {13} 1 == Rm, 0 == imm12
1790 let Inst{25} = addr{13};
1791 let Inst{23} = addr{12};
1792 let Inst{21} = 1; // overwrite
1793 let Inst{19-16} = addr{17-14};
1794 let Inst{11-0} = addr{11-0};
1795 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1797 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1798 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1799 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1801 // {13} 1 == Rm, 0 == imm12
1805 let Inst{25} = addr{13};
1806 let Inst{23} = addr{12};
1807 let Inst{21} = 1; // overwrite
1808 let Inst{19-16} = addr{17-14};
1809 let Inst{11-0} = addr{11-0};
1810 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1812 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1813 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1814 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1815 let Inst{21} = 1; // overwrite
1817 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1818 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1819 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1820 let Inst{21} = 1; // overwrite
1822 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1823 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1824 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1825 let Inst{21} = 1; // overwrite
1831 // Stores with truncate
1832 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1833 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1834 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1837 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1838 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1839 StMiscFrm, IIC_iStore_d_r,
1840 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1843 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1844 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1845 IndexModePre, StFrm, IIC_iStore_ru,
1846 "str", "\t$Rt, [$Rn, $offset]!",
1847 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1849 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1851 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1852 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1853 IndexModePost, StFrm, IIC_iStore_ru,
1854 "str", "\t$Rt, [$Rn], $offset",
1855 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1857 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1859 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1860 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1861 IndexModePre, StFrm, IIC_iStore_bh_ru,
1862 "strb", "\t$Rt, [$Rn, $offset]!",
1863 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1864 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1865 GPR:$Rn, am2offset:$offset))]>;
1866 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1867 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1868 IndexModePost, StFrm, IIC_iStore_bh_ru,
1869 "strb", "\t$Rt, [$Rn], $offset",
1870 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1871 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1872 GPR:$Rn, am2offset:$offset))]>;
1874 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1875 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1876 IndexModePre, StMiscFrm, IIC_iStore_ru,
1877 "strh", "\t$Rt, [$Rn, $offset]!",
1878 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1880 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1882 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1883 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1884 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1885 "strh", "\t$Rt, [$Rn], $offset",
1886 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1887 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1888 GPR:$Rn, am3offset:$offset))]>;
1890 // For disassembly only
1891 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1892 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1893 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1894 StMiscFrm, IIC_iStore_d_ru,
1895 "strd", "\t$src1, $src2, [$base, $offset]!",
1896 "$base = $base_wb", []>;
1898 // For disassembly only
1899 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1900 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1901 StMiscFrm, IIC_iStore_d_ru,
1902 "strd", "\t$src1, $src2, [$base], $offset",
1903 "$base = $base_wb", []>;
1904 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
1906 // STRT, STRBT, and STRHT are for disassembly only.
1908 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1909 IndexModePost, StFrm, IIC_iStore_ru,
1910 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1911 [/* For disassembly only; pattern left blank */]> {
1912 let Inst{21} = 1; // overwrite
1913 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1916 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1917 IndexModePost, StFrm, IIC_iStore_bh_ru,
1918 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1919 [/* For disassembly only; pattern left blank */]> {
1920 let Inst{21} = 1; // overwrite
1921 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1924 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1925 StMiscFrm, IIC_iStore_bh_ru,
1926 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1927 [/* For disassembly only; pattern left blank */]> {
1928 let Inst{21} = 1; // overwrite
1929 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1932 //===----------------------------------------------------------------------===//
1933 // Load / store multiple Instructions.
1936 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1937 InstrItinClass itin, InstrItinClass itin_upd> {
1939 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1940 IndexModeNone, f, itin,
1941 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1942 let Inst{24-23} = 0b01; // Increment After
1943 let Inst{21} = 0; // No writeback
1944 let Inst{20} = L_bit;
1947 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1948 IndexModeUpd, f, itin_upd,
1949 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1950 let Inst{24-23} = 0b01; // Increment After
1951 let Inst{21} = 1; // Writeback
1952 let Inst{20} = L_bit;
1955 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1956 IndexModeNone, f, itin,
1957 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1958 let Inst{24-23} = 0b00; // Decrement After
1959 let Inst{21} = 0; // No writeback
1960 let Inst{20} = L_bit;
1963 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1964 IndexModeUpd, f, itin_upd,
1965 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1966 let Inst{24-23} = 0b00; // Decrement After
1967 let Inst{21} = 1; // Writeback
1968 let Inst{20} = L_bit;
1971 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1972 IndexModeNone, f, itin,
1973 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1974 let Inst{24-23} = 0b10; // Decrement Before
1975 let Inst{21} = 0; // No writeback
1976 let Inst{20} = L_bit;
1979 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1980 IndexModeUpd, f, itin_upd,
1981 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1982 let Inst{24-23} = 0b10; // Decrement Before
1983 let Inst{21} = 1; // Writeback
1984 let Inst{20} = L_bit;
1987 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1988 IndexModeNone, f, itin,
1989 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1990 let Inst{24-23} = 0b11; // Increment Before
1991 let Inst{21} = 0; // No writeback
1992 let Inst{20} = L_bit;
1995 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1996 IndexModeUpd, f, itin_upd,
1997 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1998 let Inst{24-23} = 0b11; // Increment Before
1999 let Inst{21} = 1; // Writeback
2000 let Inst{20} = L_bit;
2004 let neverHasSideEffects = 1 in {
2006 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2007 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2009 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2010 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2012 } // neverHasSideEffects
2014 // Load / Store Multiple Mnemonic Aliases
2015 def : MnemonicAlias<"ldmfd", "ldmia">;
2016 def : MnemonicAlias<"stmfd", "stmdb">;
2017 def : MnemonicAlias<"ldm", "ldmia">;
2018 def : MnemonicAlias<"stm", "stmia">;
2020 // FIXME: remove when we have a way to marking a MI with these properties.
2021 // FIXME: Should pc be an implicit operand like PICADD, etc?
2022 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2023 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2024 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2025 reglist:$regs, variable_ops),
2026 Size4Bytes, IIC_iLoad_mBr, [],
2027 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2028 RegConstraint<"$Rn = $wb">;
2030 //===----------------------------------------------------------------------===//
2031 // Move Instructions.
2034 let neverHasSideEffects = 1 in
2035 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2036 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2040 let Inst{19-16} = 0b0000;
2041 let Inst{11-4} = 0b00000000;
2044 let Inst{15-12} = Rd;
2047 // A version for the smaller set of tail call registers.
2048 let neverHasSideEffects = 1 in
2049 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2050 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2054 let Inst{11-4} = 0b00000000;
2057 let Inst{15-12} = Rd;
2060 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2061 DPSoRegFrm, IIC_iMOVsr,
2062 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2066 let Inst{15-12} = Rd;
2067 let Inst{19-16} = 0b0000;
2068 let Inst{11-0} = src;
2072 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2073 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2074 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2078 let Inst{15-12} = Rd;
2079 let Inst{19-16} = 0b0000;
2080 let Inst{11-0} = imm;
2083 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2084 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2086 "movw", "\t$Rd, $imm",
2087 [(set GPR:$Rd, imm0_65535:$imm)]>,
2088 Requires<[IsARM, HasV6T2]>, UnaryDP {
2091 let Inst{15-12} = Rd;
2092 let Inst{11-0} = imm{11-0};
2093 let Inst{19-16} = imm{15-12};
2098 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2099 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2101 let Constraints = "$src = $Rd" in {
2102 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2104 "movt", "\t$Rd, $imm",
2106 (or (and GPR:$src, 0xffff),
2107 lo16AllZero:$imm))]>, UnaryDP,
2108 Requires<[IsARM, HasV6T2]> {
2111 let Inst{15-12} = Rd;
2112 let Inst{11-0} = imm{11-0};
2113 let Inst{19-16} = imm{15-12};
2118 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2119 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2123 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2124 Requires<[IsARM, HasV6T2]>;
2126 let Uses = [CPSR] in
2127 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2128 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2131 // These aren't really mov instructions, but we have to define them this way
2132 // due to flag operands.
2134 let Defs = [CPSR] in {
2135 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2136 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2138 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2139 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2143 //===----------------------------------------------------------------------===//
2144 // Extend Instructions.
2149 defm SXTB : AI_ext_rrot<0b01101010,
2150 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2151 defm SXTH : AI_ext_rrot<0b01101011,
2152 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2154 defm SXTAB : AI_exta_rrot<0b01101010,
2155 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2156 defm SXTAH : AI_exta_rrot<0b01101011,
2157 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2159 // For disassembly only
2160 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2162 // For disassembly only
2163 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2167 let AddedComplexity = 16 in {
2168 defm UXTB : AI_ext_rrot<0b01101110,
2169 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2170 defm UXTH : AI_ext_rrot<0b01101111,
2171 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2172 defm UXTB16 : AI_ext_rrot<0b01101100,
2173 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2175 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2176 // The transformation should probably be done as a combiner action
2177 // instead so we can include a check for masking back in the upper
2178 // eight bits of the source into the lower eight bits of the result.
2179 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2180 // (UXTB16r_rot GPR:$Src, 24)>;
2181 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2182 (UXTB16r_rot GPR:$Src, 8)>;
2184 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2185 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2186 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2187 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2190 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2191 // For disassembly only
2192 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2195 def SBFX : I<(outs GPR:$Rd),
2196 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2197 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2198 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2199 Requires<[IsARM, HasV6T2]> {
2204 let Inst{27-21} = 0b0111101;
2205 let Inst{6-4} = 0b101;
2206 let Inst{20-16} = width;
2207 let Inst{15-12} = Rd;
2208 let Inst{11-7} = lsb;
2212 def UBFX : I<(outs GPR:$Rd),
2213 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2214 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2215 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2216 Requires<[IsARM, HasV6T2]> {
2221 let Inst{27-21} = 0b0111111;
2222 let Inst{6-4} = 0b101;
2223 let Inst{20-16} = width;
2224 let Inst{15-12} = Rd;
2225 let Inst{11-7} = lsb;
2229 //===----------------------------------------------------------------------===//
2230 // Arithmetic Instructions.
2233 defm ADD : AsI1_bin_irs<0b0100, "add",
2234 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2235 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2236 defm SUB : AsI1_bin_irs<0b0010, "sub",
2237 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2238 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2240 // ADD and SUB with 's' bit set.
2241 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2242 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2243 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2244 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2245 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2246 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2248 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2249 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2250 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2251 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2253 // ADC and SUBC with 's' bit set.
2254 let usesCustomInserter = 1 in {
2255 defm ADCS : AI1_adde_sube_s_irs<
2256 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2257 defm SBCS : AI1_adde_sube_s_irs<
2258 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2261 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2262 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2263 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2268 let Inst{15-12} = Rd;
2269 let Inst{19-16} = Rn;
2270 let Inst{11-0} = imm;
2273 // The reg/reg form is only defined for the disassembler; for codegen it is
2274 // equivalent to SUBrr.
2275 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2276 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2277 [/* For disassembly only; pattern left blank */]> {
2281 let Inst{11-4} = 0b00000000;
2284 let Inst{15-12} = Rd;
2285 let Inst{19-16} = Rn;
2288 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2289 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2290 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2295 let Inst{11-0} = shift;
2296 let Inst{15-12} = Rd;
2297 let Inst{19-16} = Rn;
2300 // RSB with 's' bit set.
2301 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2302 let usesCustomInserter = 1 in {
2303 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2304 Size4Bytes, IIC_iALUi,
2305 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2306 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2307 Size4Bytes, IIC_iALUr,
2308 [/* For disassembly only; pattern left blank */]>;
2309 def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2310 Size4Bytes, IIC_iALUsr,
2311 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
2314 let Uses = [CPSR] in {
2315 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2316 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2317 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2323 let Inst{15-12} = Rd;
2324 let Inst{19-16} = Rn;
2325 let Inst{11-0} = imm;
2327 // The reg/reg form is only defined for the disassembler; for codegen it is
2328 // equivalent to SUBrr.
2329 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2330 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2331 [/* For disassembly only; pattern left blank */]> {
2335 let Inst{11-4} = 0b00000000;
2338 let Inst{15-12} = Rd;
2339 let Inst{19-16} = Rn;
2341 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2342 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2343 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2349 let Inst{11-0} = shift;
2350 let Inst{15-12} = Rd;
2351 let Inst{19-16} = Rn;
2355 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2356 let usesCustomInserter = 1, Uses = [CPSR] in {
2357 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2358 Size4Bytes, IIC_iALUi,
2359 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2360 def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2361 Size4Bytes, IIC_iALUsr,
2362 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
2365 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2366 // The assume-no-carry-in form uses the negation of the input since add/sub
2367 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2368 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2370 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2371 (SUBri GPR:$src, so_imm_neg:$imm)>;
2372 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2373 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2374 // The with-carry-in form matches bitwise not instead of the negation.
2375 // Effectively, the inverse interpretation of the carry flag already accounts
2376 // for part of the negation.
2377 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2378 (SBCri GPR:$src, so_imm_not:$imm)>;
2379 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2380 (SBCSri GPR:$src, so_imm_not:$imm)>;
2382 // Note: These are implemented in C++ code, because they have to generate
2383 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2385 // (mul X, 2^n+1) -> (add (X << n), X)
2386 // (mul X, 2^n-1) -> (rsb X, (X << n))
2388 // ARM Arithmetic Instruction -- for disassembly only
2389 // GPR:$dst = GPR:$a op GPR:$b
2390 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2391 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2392 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2393 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2397 let Inst{27-20} = op27_20;
2398 let Inst{11-4} = op11_4;
2399 let Inst{19-16} = Rn;
2400 let Inst{15-12} = Rd;
2404 // Saturating add/subtract -- for disassembly only
2406 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2407 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2408 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2409 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2410 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2411 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2412 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2414 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2417 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2418 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2419 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2420 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2421 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2422 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2423 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2424 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2425 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2426 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2427 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2428 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2430 // Signed/Unsigned add/subtract -- for disassembly only
2432 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2433 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2434 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2435 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2436 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2437 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2438 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2439 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2440 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2441 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2442 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2443 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2445 // Signed/Unsigned halving add/subtract -- for disassembly only
2447 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2448 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2449 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2450 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2451 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2452 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2453 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2454 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2455 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2456 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2457 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2458 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2460 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2462 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2463 MulFrm /* for convenience */, NoItinerary, "usad8",
2464 "\t$Rd, $Rn, $Rm", []>,
2465 Requires<[IsARM, HasV6]> {
2469 let Inst{27-20} = 0b01111000;
2470 let Inst{15-12} = 0b1111;
2471 let Inst{7-4} = 0b0001;
2472 let Inst{19-16} = Rd;
2473 let Inst{11-8} = Rm;
2476 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2477 MulFrm /* for convenience */, NoItinerary, "usada8",
2478 "\t$Rd, $Rn, $Rm, $Ra", []>,
2479 Requires<[IsARM, HasV6]> {
2484 let Inst{27-20} = 0b01111000;
2485 let Inst{7-4} = 0b0001;
2486 let Inst{19-16} = Rd;
2487 let Inst{15-12} = Ra;
2488 let Inst{11-8} = Rm;
2492 // Signed/Unsigned saturate -- for disassembly only
2494 def SSAT : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$a, shift_imm:$sh),
2495 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2496 [/* For disassembly only; pattern left blank */]> {
2501 let Inst{27-21} = 0b0110101;
2502 let Inst{5-4} = 0b01;
2503 let Inst{20-16} = sat_imm;
2504 let Inst{15-12} = Rd;
2505 let Inst{11-7} = sh{7-3};
2506 let Inst{6} = sh{0};
2510 def SSAT16 : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$Rn), SatFrm,
2511 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2512 [/* For disassembly only; pattern left blank */]> {
2516 let Inst{27-20} = 0b01101010;
2517 let Inst{11-4} = 0b11110011;
2518 let Inst{15-12} = Rd;
2519 let Inst{19-16} = sat_imm;
2523 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2524 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2525 [/* For disassembly only; pattern left blank */]> {
2530 let Inst{27-21} = 0b0110111;
2531 let Inst{5-4} = 0b01;
2532 let Inst{15-12} = Rd;
2533 let Inst{11-7} = sh{7-3};
2534 let Inst{6} = sh{0};
2535 let Inst{20-16} = sat_imm;
2539 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2540 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2541 [/* For disassembly only; pattern left blank */]> {
2545 let Inst{27-20} = 0b01101110;
2546 let Inst{11-4} = 0b11110011;
2547 let Inst{15-12} = Rd;
2548 let Inst{19-16} = sat_imm;
2552 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2553 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2555 //===----------------------------------------------------------------------===//
2556 // Bitwise Instructions.
2559 defm AND : AsI1_bin_irs<0b0000, "and",
2560 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2561 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2562 defm ORR : AsI1_bin_irs<0b1100, "orr",
2563 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2564 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2565 defm EOR : AsI1_bin_irs<0b0001, "eor",
2566 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2567 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2568 defm BIC : AsI1_bin_irs<0b1110, "bic",
2569 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2570 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2572 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2573 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2574 "bfc", "\t$Rd, $imm", "$src = $Rd",
2575 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2576 Requires<[IsARM, HasV6T2]> {
2579 let Inst{27-21} = 0b0111110;
2580 let Inst{6-0} = 0b0011111;
2581 let Inst{15-12} = Rd;
2582 let Inst{11-7} = imm{4-0}; // lsb
2583 let Inst{20-16} = imm{9-5}; // width
2586 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2587 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2588 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2589 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2590 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2591 bf_inv_mask_imm:$imm))]>,
2592 Requires<[IsARM, HasV6T2]> {
2596 let Inst{27-21} = 0b0111110;
2597 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2598 let Inst{15-12} = Rd;
2599 let Inst{11-7} = imm{4-0}; // lsb
2600 let Inst{20-16} = imm{9-5}; // width
2604 // GNU as only supports this form of bfi (w/ 4 arguments)
2605 let isAsmParserOnly = 1 in
2606 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2607 lsb_pos_imm:$lsb, width_imm:$width),
2608 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2609 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2610 []>, Requires<[IsARM, HasV6T2]> {
2615 let Inst{27-21} = 0b0111110;
2616 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2617 let Inst{15-12} = Rd;
2618 let Inst{11-7} = lsb;
2619 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2623 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2624 "mvn", "\t$Rd, $Rm",
2625 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2629 let Inst{19-16} = 0b0000;
2630 let Inst{11-4} = 0b00000000;
2631 let Inst{15-12} = Rd;
2634 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2635 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2636 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2640 let Inst{19-16} = 0b0000;
2641 let Inst{15-12} = Rd;
2642 let Inst{11-0} = shift;
2644 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2645 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2646 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2647 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2651 let Inst{19-16} = 0b0000;
2652 let Inst{15-12} = Rd;
2653 let Inst{11-0} = imm;
2656 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2657 (BICri GPR:$src, so_imm_not:$imm)>;
2659 //===----------------------------------------------------------------------===//
2660 // Multiply Instructions.
2662 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2663 string opc, string asm, list<dag> pattern>
2664 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2668 let Inst{19-16} = Rd;
2669 let Inst{11-8} = Rm;
2672 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2673 string opc, string asm, list<dag> pattern>
2674 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2679 let Inst{19-16} = RdHi;
2680 let Inst{15-12} = RdLo;
2681 let Inst{11-8} = Rm;
2685 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2686 // property. Remove them when it's possible to add those properties
2687 // on an individual MachineInstr, not just an instuction description.
2688 let isCommutable = 1 in {
2689 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2690 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2691 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2692 Requires<[IsARM, HasV6]> {
2693 let Inst{15-12} = 0b0000;
2696 let Constraints = "@earlyclobber $Rd" in
2697 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2698 pred:$p, cc_out:$s),
2699 Size4Bytes, IIC_iMUL32,
2700 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
2701 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2702 Requires<[IsARM, NoV6]>;
2705 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2706 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2707 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2708 Requires<[IsARM, HasV6]> {
2710 let Inst{15-12} = Ra;
2713 let Constraints = "@earlyclobber $Rd" in
2714 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
2715 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2716 Size4Bytes, IIC_iMAC32,
2717 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
2718 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
2719 Requires<[IsARM, NoV6]>;
2721 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2722 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2723 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2724 Requires<[IsARM, HasV6T2]> {
2729 let Inst{19-16} = Rd;
2730 let Inst{15-12} = Ra;
2731 let Inst{11-8} = Rm;
2735 // Extra precision multiplies with low / high results
2736 let neverHasSideEffects = 1 in {
2737 let isCommutable = 1 in {
2738 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2739 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2740 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2741 Requires<[IsARM, HasV6]>;
2743 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2744 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2745 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2746 Requires<[IsARM, HasV6]>;
2748 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2749 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2750 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2751 Size4Bytes, IIC_iMUL64, [],
2752 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2753 Requires<[IsARM, NoV6]>;
2755 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2756 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2757 Size4Bytes, IIC_iMUL64, [],
2758 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2759 Requires<[IsARM, NoV6]>;
2763 // Multiply + accumulate
2764 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2765 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2766 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2767 Requires<[IsARM, HasV6]>;
2768 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2769 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2770 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2771 Requires<[IsARM, HasV6]>;
2773 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2774 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2775 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2776 Requires<[IsARM, HasV6]> {
2781 let Inst{19-16} = RdLo;
2782 let Inst{15-12} = RdHi;
2783 let Inst{11-8} = Rm;
2787 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2788 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2789 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2790 Size4Bytes, IIC_iMAC64, [],
2791 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2792 Requires<[IsARM, NoV6]>;
2793 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2794 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2795 Size4Bytes, IIC_iMAC64, [],
2796 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2797 Requires<[IsARM, NoV6]>;
2798 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2799 (ins GPR:$Rn, GPR:$Rm, pred:$p),
2800 Size4Bytes, IIC_iMAC64, [],
2801 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
2802 Requires<[IsARM, NoV6]>;
2805 } // neverHasSideEffects
2807 // Most significant word multiply
2808 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2809 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2810 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2811 Requires<[IsARM, HasV6]> {
2812 let Inst{15-12} = 0b1111;
2815 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2816 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2817 [/* For disassembly only; pattern left blank */]>,
2818 Requires<[IsARM, HasV6]> {
2819 let Inst{15-12} = 0b1111;
2822 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2823 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2824 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2825 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2826 Requires<[IsARM, HasV6]>;
2828 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2829 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2830 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2831 [/* For disassembly only; pattern left blank */]>,
2832 Requires<[IsARM, HasV6]>;
2834 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2835 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2836 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2837 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2838 Requires<[IsARM, HasV6]>;
2840 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2841 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2842 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2843 [/* For disassembly only; pattern left blank */]>,
2844 Requires<[IsARM, HasV6]>;
2846 multiclass AI_smul<string opc, PatFrag opnode> {
2847 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2848 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2849 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2850 (sext_inreg GPR:$Rm, i16)))]>,
2851 Requires<[IsARM, HasV5TE]>;
2853 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2854 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2855 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2856 (sra GPR:$Rm, (i32 16))))]>,
2857 Requires<[IsARM, HasV5TE]>;
2859 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2860 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2861 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2862 (sext_inreg GPR:$Rm, i16)))]>,
2863 Requires<[IsARM, HasV5TE]>;
2865 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2866 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2867 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2868 (sra GPR:$Rm, (i32 16))))]>,
2869 Requires<[IsARM, HasV5TE]>;
2871 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2872 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2873 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2874 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2875 Requires<[IsARM, HasV5TE]>;
2877 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2878 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2879 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2880 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2881 Requires<[IsARM, HasV5TE]>;
2885 multiclass AI_smla<string opc, PatFrag opnode> {
2886 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2887 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2888 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2889 [(set GPR:$Rd, (add GPR:$Ra,
2890 (opnode (sext_inreg GPR:$Rn, i16),
2891 (sext_inreg GPR:$Rm, i16))))]>,
2892 Requires<[IsARM, HasV5TE]>;
2894 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2895 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2896 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2897 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2898 (sra GPR:$Rm, (i32 16)))))]>,
2899 Requires<[IsARM, HasV5TE]>;
2901 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2902 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2903 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2904 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2905 (sext_inreg GPR:$Rm, i16))))]>,
2906 Requires<[IsARM, HasV5TE]>;
2908 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2909 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2910 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2911 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2912 (sra GPR:$Rm, (i32 16)))))]>,
2913 Requires<[IsARM, HasV5TE]>;
2915 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2916 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2917 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2918 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2919 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2920 Requires<[IsARM, HasV5TE]>;
2922 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2923 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2924 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2925 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2926 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2927 Requires<[IsARM, HasV5TE]>;
2930 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2931 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2933 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2934 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2935 (ins GPR:$Rn, GPR:$Rm),
2936 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2937 [/* For disassembly only; pattern left blank */]>,
2938 Requires<[IsARM, HasV5TE]>;
2940 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2941 (ins GPR:$Rn, GPR:$Rm),
2942 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2943 [/* For disassembly only; pattern left blank */]>,
2944 Requires<[IsARM, HasV5TE]>;
2946 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2947 (ins GPR:$Rn, GPR:$Rm),
2948 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2949 [/* For disassembly only; pattern left blank */]>,
2950 Requires<[IsARM, HasV5TE]>;
2952 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2953 (ins GPR:$Rn, GPR:$Rm),
2954 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2955 [/* For disassembly only; pattern left blank */]>,
2956 Requires<[IsARM, HasV5TE]>;
2958 // Helper class for AI_smld -- for disassembly only
2959 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2960 InstrItinClass itin, string opc, string asm>
2961 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2968 let Inst{21-20} = 0b00;
2969 let Inst{22} = long;
2970 let Inst{27-23} = 0b01110;
2971 let Inst{11-8} = Rm;
2974 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2975 InstrItinClass itin, string opc, string asm>
2976 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2978 let Inst{15-12} = 0b1111;
2979 let Inst{19-16} = Rd;
2981 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2982 InstrItinClass itin, string opc, string asm>
2983 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2985 let Inst{15-12} = Ra;
2987 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2988 InstrItinClass itin, string opc, string asm>
2989 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2992 let Inst{19-16} = RdHi;
2993 let Inst{15-12} = RdLo;
2996 multiclass AI_smld<bit sub, string opc> {
2998 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2999 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3001 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3002 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3004 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3005 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3006 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3008 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3009 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3010 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3014 defm SMLA : AI_smld<0, "smla">;
3015 defm SMLS : AI_smld<1, "smls">;
3017 multiclass AI_sdml<bit sub, string opc> {
3019 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3020 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3021 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3022 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3025 defm SMUA : AI_sdml<0, "smua">;
3026 defm SMUS : AI_sdml<1, "smus">;
3028 //===----------------------------------------------------------------------===//
3029 // Misc. Arithmetic Instructions.
3032 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3033 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3034 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3036 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3037 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3038 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3039 Requires<[IsARM, HasV6T2]>;
3041 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3042 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3043 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3045 let AddedComplexity = 5 in
3046 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3047 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3048 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3049 Requires<[IsARM, HasV6]>;
3051 let AddedComplexity = 5 in
3052 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3053 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3054 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3055 Requires<[IsARM, HasV6]>;
3057 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3058 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3061 def lsl_shift_imm : SDNodeXForm<imm, [{
3062 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3063 return CurDAG->getTargetConstant(Sh, MVT::i32);
3066 def lsl_amt : ImmLeaf<i32, [{
3067 return Imm > 0 && Imm < 32;
3070 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3071 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3072 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3073 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3074 (and (shl GPR:$Rm, lsl_amt:$sh),
3076 Requires<[IsARM, HasV6]>;
3078 // Alternate cases for PKHBT where identities eliminate some nodes.
3079 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3080 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3081 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3082 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3084 def asr_shift_imm : SDNodeXForm<imm, [{
3085 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3086 return CurDAG->getTargetConstant(Sh, MVT::i32);
3089 def asr_amt : ImmLeaf<i32, [{
3090 return Imm > 0 && Imm <= 32;
3093 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3094 // will match the pattern below.
3095 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3096 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3097 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3098 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3099 (and (sra GPR:$Rm, asr_amt:$sh),
3101 Requires<[IsARM, HasV6]>;
3103 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3104 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3105 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3106 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3107 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3108 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3109 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3111 //===----------------------------------------------------------------------===//
3112 // Comparison Instructions...
3115 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3116 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3117 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3119 // ARMcmpZ can re-use the above instruction definitions.
3120 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3121 (CMPri GPR:$src, so_imm:$imm)>;
3122 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3123 (CMPrr GPR:$src, GPR:$rhs)>;
3124 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3125 (CMPrs GPR:$src, so_reg:$rhs)>;
3127 // FIXME: We have to be careful when using the CMN instruction and comparison
3128 // with 0. One would expect these two pieces of code should give identical
3144 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3145 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3146 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3147 // value of r0 and the carry bit (because the "carry bit" parameter to
3148 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3149 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3150 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3151 // parameter to AddWithCarry is defined as 0).
3153 // When x is 0 and unsigned:
3157 // ~x + 1 = 0x1 0000 0000
3158 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3160 // Therefore, we should disable CMN when comparing against zero, until we can
3161 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3162 // when it's a comparison which doesn't look at the 'carry' flag).
3164 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3166 // This is related to <rdar://problem/7569620>.
3168 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3169 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3171 // Note that TST/TEQ don't set all the same flags that CMP does!
3172 defm TST : AI1_cmp_irs<0b1000, "tst",
3173 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3174 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3175 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3176 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3177 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3179 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3180 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3181 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3183 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3184 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3186 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3187 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3189 // Pseudo i64 compares for some floating point compares.
3190 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3192 def BCCi64 : PseudoInst<(outs),
3193 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3195 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3197 def BCCZi64 : PseudoInst<(outs),
3198 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3199 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3200 } // usesCustomInserter
3203 // Conditional moves
3204 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3205 // a two-value operand where a dag node expects two operands. :(
3206 let neverHasSideEffects = 1 in {
3207 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3208 Size4Bytes, IIC_iCMOVr,
3209 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3210 RegConstraint<"$false = $Rd">;
3211 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3212 (ins GPR:$false, so_reg:$shift, pred:$p),
3213 Size4Bytes, IIC_iCMOVsr,
3214 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3215 RegConstraint<"$false = $Rd">;
3217 let isMoveImm = 1 in
3218 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3219 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3220 Size4Bytes, IIC_iMOVi,
3222 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3224 let isMoveImm = 1 in
3225 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3226 (ins GPR:$false, so_imm:$imm, pred:$p),
3227 Size4Bytes, IIC_iCMOVi,
3228 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3229 RegConstraint<"$false = $Rd">;
3231 // Two instruction predicate mov immediate.
3232 let isMoveImm = 1 in
3233 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3234 (ins GPR:$false, i32imm:$src, pred:$p),
3235 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3237 let isMoveImm = 1 in
3238 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3239 (ins GPR:$false, so_imm:$imm, pred:$p),
3240 Size4Bytes, IIC_iCMOVi,
3241 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3242 RegConstraint<"$false = $Rd">;
3243 } // neverHasSideEffects
3245 //===----------------------------------------------------------------------===//
3246 // Atomic operations intrinsics
3249 def memb_opt : Operand<i32> {
3250 let PrintMethod = "printMemBOption";
3251 let ParserMatchClass = MemBarrierOptOperand;
3254 // memory barriers protect the atomic sequences
3255 let hasSideEffects = 1 in {
3256 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3257 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3258 Requires<[IsARM, HasDB]> {
3260 let Inst{31-4} = 0xf57ff05;
3261 let Inst{3-0} = opt;
3265 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3267 [/* For disassembly only; pattern left blank */]>,
3268 Requires<[IsARM, HasDB]> {
3270 let Inst{31-4} = 0xf57ff04;
3271 let Inst{3-0} = opt;
3274 // ISB has only full system option -- for disassembly only
3275 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3276 Requires<[IsARM, HasDB]> {
3277 let Inst{31-4} = 0xf57ff06;
3278 let Inst{3-0} = 0b1111;
3281 let usesCustomInserter = 1 in {
3282 let Uses = [CPSR] in {
3283 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3284 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3285 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3286 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3288 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3289 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3290 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3291 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3292 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3294 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3295 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3296 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3297 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3298 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3299 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3300 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3301 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3302 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3303 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3304 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3305 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3306 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3307 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3308 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3309 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3310 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3311 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3312 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3313 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3314 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3315 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3316 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3317 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3318 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3319 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3320 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3321 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3322 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3323 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3324 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3325 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3326 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3327 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3328 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3329 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3330 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3331 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3332 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3333 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3334 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3335 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3336 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3337 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3338 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3339 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3340 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3341 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3342 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3343 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3344 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3345 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3346 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3347 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3348 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3349 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3350 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3351 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3352 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3353 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3354 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3355 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3356 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3357 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3358 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3359 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3360 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3361 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3362 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3363 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3364 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3365 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3366 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3367 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3368 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3369 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3370 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3371 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3372 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3374 def ATOMIC_SWAP_I8 : PseudoInst<
3375 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3376 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3377 def ATOMIC_SWAP_I16 : PseudoInst<
3378 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3379 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3380 def ATOMIC_SWAP_I32 : PseudoInst<
3381 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3382 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3384 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3385 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3386 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3387 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3388 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3389 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3390 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3391 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3392 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3396 let mayLoad = 1 in {
3397 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3398 "ldrexb", "\t$Rt, $addr", []>;
3399 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3400 "ldrexh", "\t$Rt, $addr", []>;
3401 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3402 "ldrex", "\t$Rt, $addr", []>;
3403 let hasExtraDefRegAllocReq = 1 in
3404 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3405 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3408 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3409 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3410 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3411 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3412 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3413 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3414 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3417 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3418 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3419 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3420 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3422 // Clear-Exclusive is for disassembly only.
3423 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3424 [/* For disassembly only; pattern left blank */]>,
3425 Requires<[IsARM, HasV7]> {
3426 let Inst{31-0} = 0b11110101011111111111000000011111;
3429 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3430 let mayLoad = 1 in {
3431 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3432 [/* For disassembly only; pattern left blank */]>;
3433 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3434 [/* For disassembly only; pattern left blank */]>;
3437 //===----------------------------------------------------------------------===//
3438 // Coprocessor Instructions.
3441 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3442 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3443 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3444 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3445 imm:$CRm, imm:$opc2)]> {
3453 let Inst{3-0} = CRm;
3455 let Inst{7-5} = opc2;
3456 let Inst{11-8} = cop;
3457 let Inst{15-12} = CRd;
3458 let Inst{19-16} = CRn;
3459 let Inst{23-20} = opc1;
3462 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3463 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3464 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3465 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3466 imm:$CRm, imm:$opc2)]> {
3467 let Inst{31-28} = 0b1111;
3475 let Inst{3-0} = CRm;
3477 let Inst{7-5} = opc2;
3478 let Inst{11-8} = cop;
3479 let Inst{15-12} = CRd;
3480 let Inst{19-16} = CRn;
3481 let Inst{23-20} = opc1;
3484 class ACI<dag oops, dag iops, string opc, string asm,
3485 IndexMode im = IndexModeNone>
3486 : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
3487 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3488 let Inst{27-25} = 0b110;
3491 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3493 def _OFFSET : ACI<(outs),
3494 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3495 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3496 let Inst{31-28} = op31_28;
3497 let Inst{24} = 1; // P = 1
3498 let Inst{21} = 0; // W = 0
3499 let Inst{22} = 0; // D = 0
3500 let Inst{20} = load;
3503 def _PRE : ACI<(outs),
3504 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3505 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3506 let Inst{31-28} = op31_28;
3507 let Inst{24} = 1; // P = 1
3508 let Inst{21} = 1; // W = 1
3509 let Inst{22} = 0; // D = 0
3510 let Inst{20} = load;
3513 def _POST : ACI<(outs),
3514 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3515 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3516 let Inst{31-28} = op31_28;
3517 let Inst{24} = 0; // P = 0
3518 let Inst{21} = 1; // W = 1
3519 let Inst{22} = 0; // D = 0
3520 let Inst{20} = load;
3523 def _OPTION : ACI<(outs),
3524 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3526 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3527 let Inst{31-28} = op31_28;
3528 let Inst{24} = 0; // P = 0
3529 let Inst{23} = 1; // U = 1
3530 let Inst{21} = 0; // W = 0
3531 let Inst{22} = 0; // D = 0
3532 let Inst{20} = load;
3535 def L_OFFSET : ACI<(outs),
3536 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3537 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3538 let Inst{31-28} = op31_28;
3539 let Inst{24} = 1; // P = 1
3540 let Inst{21} = 0; // W = 0
3541 let Inst{22} = 1; // D = 1
3542 let Inst{20} = load;
3545 def L_PRE : ACI<(outs),
3546 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3547 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3549 let Inst{31-28} = op31_28;
3550 let Inst{24} = 1; // P = 1
3551 let Inst{21} = 1; // W = 1
3552 let Inst{22} = 1; // D = 1
3553 let Inst{20} = load;
3556 def L_POST : ACI<(outs),
3557 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3558 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3560 let Inst{31-28} = op31_28;
3561 let Inst{24} = 0; // P = 0
3562 let Inst{21} = 1; // W = 1
3563 let Inst{22} = 1; // D = 1
3564 let Inst{20} = load;
3567 def L_OPTION : ACI<(outs),
3568 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3570 !strconcat(!strconcat(opc, "l"), cond),
3571 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3572 let Inst{31-28} = op31_28;
3573 let Inst{24} = 0; // P = 0
3574 let Inst{23} = 1; // U = 1
3575 let Inst{21} = 0; // W = 0
3576 let Inst{22} = 1; // D = 1
3577 let Inst{20} = load;
3581 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3582 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3583 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3584 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3586 //===----------------------------------------------------------------------===//
3587 // Move between coprocessor and ARM core register -- for disassembly only
3590 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3592 : ABI<0b1110, oops, iops, NoItinerary, opc,
3593 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3594 let Inst{20} = direction;
3604 let Inst{15-12} = Rt;
3605 let Inst{11-8} = cop;
3606 let Inst{23-21} = opc1;
3607 let Inst{7-5} = opc2;
3608 let Inst{3-0} = CRm;
3609 let Inst{19-16} = CRn;
3612 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3614 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3615 c_imm:$CRm, i32imm:$opc2),
3616 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3617 imm:$CRm, imm:$opc2)]>;
3618 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3620 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3623 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3624 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3626 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3628 : ABXI<0b1110, oops, iops, NoItinerary,
3629 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3630 let Inst{31-28} = 0b1111;
3631 let Inst{20} = direction;
3641 let Inst{15-12} = Rt;
3642 let Inst{11-8} = cop;
3643 let Inst{23-21} = opc1;
3644 let Inst{7-5} = opc2;
3645 let Inst{3-0} = CRm;
3646 let Inst{19-16} = CRn;
3649 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3651 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3652 c_imm:$CRm, i32imm:$opc2),
3653 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3654 imm:$CRm, imm:$opc2)]>;
3655 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3657 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3660 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3661 imm:$CRm, imm:$opc2),
3662 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3664 class MovRRCopro<string opc, bit direction,
3665 list<dag> pattern = [/* For disassembly only */]>
3666 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3667 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3668 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3669 let Inst{23-21} = 0b010;
3670 let Inst{20} = direction;
3678 let Inst{15-12} = Rt;
3679 let Inst{19-16} = Rt2;
3680 let Inst{11-8} = cop;
3681 let Inst{7-4} = opc1;
3682 let Inst{3-0} = CRm;
3685 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3686 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3688 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3690 class MovRRCopro2<string opc, bit direction,
3691 list<dag> pattern = [/* For disassembly only */]>
3692 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3693 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3694 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3695 let Inst{31-28} = 0b1111;
3696 let Inst{23-21} = 0b010;
3697 let Inst{20} = direction;
3705 let Inst{15-12} = Rt;
3706 let Inst{19-16} = Rt2;
3707 let Inst{11-8} = cop;
3708 let Inst{7-4} = opc1;
3709 let Inst{3-0} = CRm;
3712 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3713 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3715 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3717 //===----------------------------------------------------------------------===//
3718 // Move between special register and ARM core register -- for disassembly only
3721 // Move to ARM core register from Special Register
3722 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3723 [/* For disassembly only; pattern left blank */]> {
3725 let Inst{23-16} = 0b00001111;
3726 let Inst{15-12} = Rd;
3727 let Inst{7-4} = 0b0000;
3730 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3731 [/* For disassembly only; pattern left blank */]> {
3733 let Inst{23-16} = 0b01001111;
3734 let Inst{15-12} = Rd;
3735 let Inst{7-4} = 0b0000;
3738 // Move from ARM core register to Special Register
3740 // No need to have both system and application versions, the encodings are the
3741 // same and the assembly parser has no way to distinguish between them. The mask
3742 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3743 // the mask with the fields to be accessed in the special register.
3744 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3745 "msr", "\t$mask, $Rn",
3746 [/* For disassembly only; pattern left blank */]> {
3751 let Inst{22} = mask{4}; // R bit
3752 let Inst{21-20} = 0b10;
3753 let Inst{19-16} = mask{3-0};
3754 let Inst{15-12} = 0b1111;
3755 let Inst{11-4} = 0b00000000;
3759 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3760 "msr", "\t$mask, $a",
3761 [/* For disassembly only; pattern left blank */]> {
3766 let Inst{22} = mask{4}; // R bit
3767 let Inst{21-20} = 0b10;
3768 let Inst{19-16} = mask{3-0};
3769 let Inst{15-12} = 0b1111;
3773 //===----------------------------------------------------------------------===//
3777 // __aeabi_read_tp preserves the registers r1-r3.
3778 // This is a pseudo inst so that we can get the encoding right,
3779 // complete with fixup for the aeabi_read_tp function.
3781 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3782 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3783 [(set R0, ARMthread_pointer)]>;
3786 //===----------------------------------------------------------------------===//
3787 // SJLJ Exception handling intrinsics
3788 // eh_sjlj_setjmp() is an instruction sequence to store the return
3789 // address and save #0 in R0 for the non-longjmp case.
3790 // Since by its nature we may be coming from some other function to get
3791 // here, and we're using the stack frame for the containing function to
3792 // save/restore registers, we can't keep anything live in regs across
3793 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3794 // when we get here from a longjmp(). We force everything out of registers
3795 // except for our own input by listing the relevant registers in Defs. By
3796 // doing so, we also cause the prologue/epilogue code to actively preserve
3797 // all of the callee-saved resgisters, which is exactly what we want.
3798 // A constant value is passed in $val, and we use the location as a scratch.
3800 // These are pseudo-instructions and are lowered to individual MC-insts, so
3801 // no encoding information is necessary.
3803 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
3804 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
3805 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3807 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3808 Requires<[IsARM, HasVFP2]>;
3812 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
3813 hasSideEffects = 1, isBarrier = 1 in {
3814 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3816 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3817 Requires<[IsARM, NoVFP]>;
3820 // FIXME: Non-Darwin version(s)
3821 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3822 Defs = [ R7, LR, SP ] in {
3823 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3825 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3826 Requires<[IsARM, IsDarwin]>;
3829 // eh.sjlj.dispatchsetup pseudo-instruction.
3830 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3831 // handled when the pseudo is expanded (which happens before any passes
3832 // that need the instruction size).
3833 let isBarrier = 1, hasSideEffects = 1 in
3834 def Int_eh_sjlj_dispatchsetup :
3835 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3836 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3837 Requires<[IsDarwin]>;
3839 //===----------------------------------------------------------------------===//
3840 // Non-Instruction Patterns
3843 // ARMv4 indirect branch using (MOVr PC, dst)
3844 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
3845 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
3846 Size4Bytes, IIC_Br, [(brind GPR:$dst)],
3847 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
3848 Requires<[IsARM, NoV4T]>;
3850 // Large immediate handling.
3852 // 32-bit immediate using two piece so_imms or movw + movt.
3853 // This is a single pseudo instruction, the benefit is that it can be remat'd
3854 // as a single unit instead of having to handle reg inputs.
3855 // FIXME: Remove this when we can do generalized remat.
3856 let isReMaterializable = 1, isMoveImm = 1 in
3857 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3858 [(set GPR:$dst, (arm_i32imm:$src))]>,
3861 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3862 // It also makes it possible to rematerialize the instructions.
3863 // FIXME: Remove this when we can do generalized remat and when machine licm
3864 // can properly the instructions.
3865 let isReMaterializable = 1 in {
3866 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3868 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3869 Requires<[IsARM, UseMovt]>;
3871 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3873 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3874 Requires<[IsARM, UseMovt]>;
3876 let AddedComplexity = 10 in
3877 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3879 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3880 Requires<[IsARM, UseMovt]>;
3881 } // isReMaterializable
3883 // ConstantPool, GlobalAddress, and JumpTable
3884 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3885 Requires<[IsARM, DontUseMovt]>;
3886 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3887 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3888 Requires<[IsARM, UseMovt]>;
3889 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3890 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3892 // TODO: add,sub,and, 3-instr forms?
3895 def : ARMPat<(ARMtcret tcGPR:$dst),
3896 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3898 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3899 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3901 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3902 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3904 def : ARMPat<(ARMtcret tcGPR:$dst),
3905 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3907 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3908 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3910 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3911 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3914 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3915 Requires<[IsARM, IsNotDarwin]>;
3916 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3917 Requires<[IsARM, IsDarwin]>;
3919 // zextload i1 -> zextload i8
3920 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3921 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3923 // extload -> zextload
3924 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3925 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3926 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3927 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3929 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3931 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3932 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3935 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3936 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3937 (SMULBB GPR:$a, GPR:$b)>;
3938 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3939 (SMULBB GPR:$a, GPR:$b)>;
3940 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3941 (sra GPR:$b, (i32 16))),
3942 (SMULBT GPR:$a, GPR:$b)>;
3943 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3944 (SMULBT GPR:$a, GPR:$b)>;
3945 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3946 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3947 (SMULTB GPR:$a, GPR:$b)>;
3948 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3949 (SMULTB GPR:$a, GPR:$b)>;
3950 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3952 (SMULWB GPR:$a, GPR:$b)>;
3953 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3954 (SMULWB GPR:$a, GPR:$b)>;
3956 def : ARMV5TEPat<(add GPR:$acc,
3957 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3958 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3959 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3960 def : ARMV5TEPat<(add GPR:$acc,
3961 (mul sext_16_node:$a, sext_16_node:$b)),
3962 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3963 def : ARMV5TEPat<(add GPR:$acc,
3964 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3965 (sra GPR:$b, (i32 16)))),
3966 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3967 def : ARMV5TEPat<(add GPR:$acc,
3968 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3969 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3970 def : ARMV5TEPat<(add GPR:$acc,
3971 (mul (sra GPR:$a, (i32 16)),
3972 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3973 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3974 def : ARMV5TEPat<(add GPR:$acc,
3975 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3976 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3977 def : ARMV5TEPat<(add GPR:$acc,
3978 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3980 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3981 def : ARMV5TEPat<(add GPR:$acc,
3982 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3983 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3986 // Pre-v7 uses MCR for synchronization barriers.
3987 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3988 Requires<[IsARM, HasV6]>;
3991 //===----------------------------------------------------------------------===//
3995 include "ARMInstrThumb.td"
3997 //===----------------------------------------------------------------------===//
4001 include "ARMInstrThumb2.td"
4003 //===----------------------------------------------------------------------===//
4004 // Floating Point Support
4007 include "ARMInstrVFP.td"
4009 //===----------------------------------------------------------------------===//
4010 // Advanced SIMD (NEON) Support
4013 include "ARMInstrNEON.td"